Works (275)

Updated: April 3rd, 2024 23:56

2023 journal article

Carbon molecular-sieve membranes developed from a Troger's base polymer and possessing superior gas-separation performance

JOURNAL OF MEMBRANE SCIENCE, 680.

By: Z. Dai*, H. Guo*, J. Deng, L. Deng*, J. Yan n & R. Spontak n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: July 3, 2023

2023 article

Characterization of Controlled-Distribution Hydrogenated Styrenic Block Copolymers by Nuclear Magnetic Resonance Spectroscopy

Yang, J., Germack, D. S., & Spontak, R. J. (2023, July 21). ACS APPLIED POLYMER MATERIALS, Vol. 7.

By: J. Yang*, D. Germack* & R. Spontak n

author keywords: block copolymer; NMR spectroscopy; block randomcopolymer; controlled distribution; midblock sequencing; thermoplastic elastomer
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 7, 2023

2023 journal article

Fundamentals of and advances in nanocellulose and nanochitin systems

ADVANCED INDUSTRIAL AND ENGINEERING POLYMER RESEARCH, 6(4), 356–381.

By: S. Jin n & R. Spontak n

author keywords: Nanocellulose; Nanochitin; Cellulose nanocrystal; Cellulose nanofibril; Microfibrillated cellulose
Sources: Web Of Science, NC State University Libraries
Added: January 16, 2024

2023 article

High-performance carbon-capture membranes developed by (non)solvent-induced nanostructural rearrangement in Nafion

Wei, J., Deng, J., Ma, Y., Qin, Z., Wang, B., Deng, L., … Dai, Z. (2023, August 15). JOURNAL OF MATERIALS CHEMISTRY A, Vol. 8.

By: J. Wei*, J. Deng, Y. Ma*, Z. Qin*, B. Wang*, L. Deng*, R. Spontak n, Z. Dai*

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 28, 2023

2023 journal article

Preventing the spread of life-threatening gastrointestinal microbes on the surface of a continuously self-disinfecting block polymer

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 652, 718–726.

By: K. Wells n, Y. Ciftci*, B. Peddinti n, R. Ghiladi n, G. Vediyappan*, R. Spontak n, R. Govind

author keywords: Anionic block polymer; Clostridioides difficile; Candida auris; Candida albicans; Antimicrobial; Self-disinfecting; Broad-spectrum; Infection prevention
TL;DR: It is demonstrated that highly persistent, drug-resistant and transmissible healthcare pathogens such as Clostridioides difficile and Candida auris can be rapidly inactivated on the solid surface of a self-disinfecting anionic block polymer that inherently generates a water surface layer that is highly acidic (pH < 1) upon hydration. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: September 25, 2023

2023 journal article

Surface Mechanical Properties and Topological Characteristics of Thermoplastic Copolyesters after Precisely Controlled Abrasion

ACS Applied Materials & Interfaces, 15(5), 7552–7561.

By: J. Terán n, L. Pal n, R. Spontak n & L. Lucia n

author keywords: microplastic; abrasion; nanoindentation; surface properties; wear topologies
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: January 31, 2023

2023 article

Tunable thermoplastic elastomer gels derived from controlled-distribution triblock copolymers with crystallizable endblocks

Hames, N. T., Balsbough, D., Yan, J., Wu, S., Zuo, X., & Spontak, R. J. (2023, August 25). MATERIALS HORIZONS, Vol. 8.

By: N. Hames, D. Balsbough, J. Yan, S. Wu, X. Zuo & R. Spontak

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: September 25, 2023

2023 journal article

Tunable thermoplastic elastomer gels derived from controlled-distribution triblock copolymers with crystallizable endblocks

MATERIALS HORIZONS, 10(11), 4968–4975.

By: N. Hames n, D. Balsbough n, J. Yan n, S. Wu*, X. Zuo* & R. Spontak n

Sources: Web Of Science, NC State University Libraries
Added: November 13, 2023

2022 journal article

An integrated materials approach to ultrapermeable and ultraselective CO2 polymer membranes

SCIENCE, 376(6588), 90-+.

By: M. Sandru*, E. Sandru*, W. Ingram n, J. Deng*, P. Stenstad*, L. Deng*, R. Spontak n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: May 31, 2022

2021 journal article

Anion-Specific Water Interactions with Nanochitin: Donnan and Osmotic Pressure Effects as Revealed by Quartz Microgravimetry

LANGMUIR, 37(38), 11242–11250.

By: S. Jin n, S. Khan n, R. Spontak n & O. Rojas n

MeSH headings : Anions; Ions; Osmotic Pressure; Quartz; Water
TL;DR: It is concluded that larger anions promote deswelling such that water losses increase with increasing anion valence, which is critical to ongoing efforts designed to dry chitin nanomaterials and develop bio-based and sustainable materials. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 15, 2021

2021 journal article

Cellulose nanofibers and the film-formation dilemma: Drying temperature and tunable optical, mechanical and wetting properties of nanocomposite films composed of waterborne sulfopolyesters

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 598, 369–378.

By: S. Jin*, E. Facchine, O. Rojas*, S. Khan* & R. Spontak*

author keywords: Nanocellulose; Cellulose nanofiber; Waterborne coating; Sulfopolyester; Sulfonated Polyester
TL;DR: Tensile tests reveal that films containing 10 wt% CNF display the greatest mechanical improvements, suggesting the existence of a previously unidentified Goldilocks composition window. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 25, 2021

2021 journal article

Mesophase characteristics of cellulose nanocrystal films prepared from electrolyte suspensions

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 599, 207–218.

By: S. Jin n, E. Facchine n, S. Khan n, O. Rojas n & R. Spontak n

author keywords: Nanocellulose mesophase; Lyotropism; Twisted nematic; Cholesteric; Electrolyte
TL;DR: Interestingly, mesomorphic behavior and CNC alignment appear to be sensitive to cationic radius and charge valence, in which case the optical properties of CNC films can be adjusted for targeted sustainable applications. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 18, 2021

2021 article

Morphological Studies of Solution-Crystallized Thermoplastic Elastomers with Polyethylene Endblocks and a Random-Copolymer Midblock

Yan, J., Lee, B., Smith, S. D., & Spontak, R. J. (2021, September 22). MACROMOLECULAR RAPID COMMUNICATIONS, Vol. 9.

By: J. Yan n, B. Lee*, S. Smith* & R. Spontak n

author keywords: block copolymers; directed self-assembly; polymer morphology; solution crystallization; thermoplastic elastomers
MeSH headings : Crystallization; Elastomers; Polyethylene; Polymers; Temperature
TL;DR: According to transmission electron microscopy, semi-crystalline aggregates develop at the lowest solution concentration examined (0.01 wt%), and the size and population of crystals, which dominate the copolymer morphologies, are observed to increase with increasing aging time. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: September 27, 2021

2021 journal article

Rapid and Repetitive Inactivation of SARS-CoV-2 and Human Coronavirus on Self-Disinfecting Anionic Polymers

ADVANCED SCIENCE, 8(11).

By: B. Peddinti n, S. Downs*, J. Yan n, S. Smith*, R. Ghiladi n, V. Mhetar*, R. Tocchetto*, A. Griffiths*, F. Scholle n, R. Spontak n

author keywords: antiviral materials; charged block polymers; microphase&#8208; ordered materials; polyanions; thermoplastic elastomers
MeSH headings : COVID-19 / prevention & control; COVID-19 / transmission; COVID-19 / virology; Disinfectants / therapeutic use; Humans; Pandemics; Polymers / chemistry; Polymers / therapeutic use; SARS-CoV-2 / drug effects; SARS-CoV-2 / pathogenicity
TL;DR: It is demonstrated that an architecturally‐ and chemically‐diverse family of nanostructured anionic polymers yield a rapid and continuous disinfecting alternative to inactivate coronaviruses and prevent their transmission from contact with contaminated surfaces. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: April 5, 2021

2021 journal article

Toward Universal Photodynamic Coatings for Infection Control

FRONTIERS IN MEDICINE, 8.

By: C. Ghareeb n, B. Peddinti n, S. Kisthardt n, F. Scholle n, R. Spontak n & R. Ghiladi n

author keywords: antimicrobial; Coronavirus; coatings; photodynamic inactivation; photosensitizer; polymer; singlet oxygen; Staphylococcus aureus
TL;DR: The antimicrobial efficacy of a simple bicomponent spray coating composed of the commercially-available UV-photocrosslinkable polymer N-methyl-4(4'-formyl-styryl)pyridinium methosulfate acetal poly(vinyl alcohol) (SbQ-PVA) and one of three aPDI photosensitizers (PSs) is evaluated. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 23, 2021

2020 journal article

Form-stable phase-change elastomer gels derived from thermoplastic elastomer copolyesters swollen with fatty acids

THERMOCHIMICA ACTA, 686.

By: D. Armstrong n, K. Chatterjee n, T. Ghosh n & R. Spontak n

Contributors: D. Armstrong n, K. Chatterjee n, T. Ghosh n & R. Spontak n

author keywords: Thermoplastic elastomer; Physical crosslinking; Thermal storage; Phase-change material; Energy conservation
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 8, 2020

2020 journal article

Gas-separation and physical properties of ABA triblock copolymers synthesized from polyimide and hydrophilic adamantane derivatives

POLYMER, 202.

By: T. Ito*, R. Shiota*, N. Taniguchi*, R. Spontak n & K. Nagai*

author keywords: Polyimide; Adamantane; Gas separation; Block copolymer; Membrane
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: September 28, 2020

2020 journal article

Humidity-responsive molecular gate-opening mechanism for gas separation in ultraselective nanocellulose/IL hybrid membranes

GREEN CHEMISTRY, 22(11), 3546–3557.

By: S. Janakiram*, L. Ansaloni*, S. Jin n, X. Yu*, Z. Dai*, R. Spontak n, L. Deng*

TL;DR: A class of “green” hybrid membranes composed of nanocellulose and an ionic liquid exhibits exceptional separation properties arising from a humidity-responsive size-exclusive “gate” that allows selective CO2 permeation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: July 6, 2020

2020 journal article

Optimization of the Rubber Formulation for Footwear Applications from the Response Surface Method

POLYMERS, 12(9).

By: S. Srewaradachpisal*, C. Dechwayukul*, S. Chatpun*, R. Spontak n & W. Thongruang*

author keywords: natural rubber; impact test; elastomer nanocomposite; RSM; footwear
TL;DR: This work aims to investigate the effect of filler/plasticizer fractions on shock attenuation of natural rubber soles and demonstrates how the concentrations of these components regulate final properties, such as impact force absorption and hardness, in the commercial manufacture of shoe soles. (via Semantic Scholar)
UN Sustainable Development Goal Categories
5. Gender Equality (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: November 9, 2020

2020 journal article

Photodynamic Coatings on Polymer Microfibers for Pathogen Inactivation: Effects of Application Method and Composition

ACS Applied Materials & Interfaces, 13(1), 155–163.

By: B. Peddinti n, N. Morales-Gagnon n, B. Pourdeyhimi n, F. Scholle n, R. Spontak n & R. Ghiladi n

author keywords: hospital-acquired infections; photodynamic coatings; porphyrin photosensitizer; SARS-CoV-2 virus; polymer microfibers
MeSH headings : COVID-19 / prevention & control; COVID-19 / virology; Escherichia coli / drug effects; Escherichia coli / pathogenicity; Humans; Iatrogenic Disease / prevention & control; Light; Methicillin-Resistant Staphylococcus aureus / drug effects; Methicillin-Resistant Staphylococcus aureus / pathogenicity; Microfibrils / chemistry; Pandemics; Photosensitizing Agents / chemistry; Photosensitizing Agents / pharmacology; Polymers / chemistry; Polymers / pharmacology; Porphyrins / chemistry; Porphyrins / pharmacology; SARS-CoV-2 / drug effects; SARS-CoV-2 / pathogenicity; Singlet Oxygen
TL;DR: These coated fibers can inactivate a human common cold coronavirus serving as a surrogate for the SARS-CoV-2 virus and are confirmed to be able to inactivate antibiotic-resistant bacteria. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, Crossref
Added: January 31, 2021

2020 article

Polymer blend compatibilization by the addition of block copolymers

COMPATIBILIZATION OF POLYMER BLENDS: MICRO AND NANO SCALE PHASE MORPHOLOGIES, INTERPHASE CHARACTERIZATION, AND PROPERTIES, pp. 57–102.

By: R. Spontak n & J. Ryan n

Sources: Web Of Science, NC State University Libraries
Added: August 2, 2021

2019 journal article

Dielectric and Resistive Heating of Polymeric Media: Toward Remote Thermal Activation of Stimuli-Responsive Soft Materials

MACROMOLECULAR RAPID COMMUNICATIONS, 40(4).

By: D. Armstrong n & R. Spontak n

author keywords: dielectric heating; remote heating; shape-memory polymers; stimuli responsive; thermal activation
MeSH headings : Materials Testing; Polymers / chemistry; Temperature
TL;DR: An alternative remote-heating mechanism demonstrates that the dielectric and resistive thermal losses introduced upon application of an alternating current generate sufficient heat to raise the temperature of a neat polyimide by over 70 °C within ≈10 s. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: March 4, 2019

2019 journal article

Effect of Composition on the Molecular Dynamics of Biodegradable Isotactic Polypropylene/Thermoplastic Starch Blends

ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 7(19), 16050–16059.

By: A. Wozniak-Braszak*, M. Knitter*, E. Markiewicz*, W. Ingram n & R. Spontak n

author keywords: NMR spectroscopy; dielectric relaxation; polymer dynamics; chain relaxation; polymer blends
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: October 28, 2019

2019 journal article

Facile and solvent-free fabrication of PEG-based membranes with interpenetrating networks for CO2 separation

JOURNAL OF MEMBRANE SCIENCE, 570, 455–463.

author keywords: Polymer cross-linking; Poly(ethylene glycol); Interpenetrating networks; Aza-Michael addition; CO2 separation membrane
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 10, 2018

2019 journal article

Incorporation of an ionic liquid into a midblock-sulfonated multiblock polymer for CO2 capture

JOURNAL OF MEMBRANE SCIENCE, 588.

By: Z. Dai*, L. Ansaloni*, J. Ryan n, R. Spontak n & L. Deng*

author keywords: Sulfonated block polymer; Ionic liquids; Hybrid membranes; CO2 separation
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: September 3, 2019

2019 journal article

Inherently self-sterilizing charged multiblock polymers that kill drug-resistant microbes in minutes

Materials Horizons, 6(10), 2056–2062.

By: B. Peddinti n, F. Scholle n, M. Vargas n, S. Smith*, R. Ghiladi n & R. Spontak n

TL;DR: It is demonstrated that midblock-sulfonated block polymers can kill 99.9999% of “superbugs,” including bacteria and viruses, in just 5 minutes due to an abrupt pH reduction. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, Crossref
Added: December 16, 2019

2019 journal article

Self-Assembly of a Midblock-Sulfonated Pentablock Copolymer in Mixed Organic Solvents: A Combined SAXS and SANS Analysis

LANGMUIR, 35(4), 1032–1039.

TL;DR: These findings provide a potential pathway for the formation of solvent-templated films with more interconnected morphologies due to the greatly solvated micellar cores in solution, thereby enhancing the molecular, ion, and electron-transport properties of the resultant films. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: February 25, 2019

2019 journal article

Solution self-assembly of ABC triblock terpolymers with a central crystallizable poly(ferrocenyldimethylsilane) core-forming segment

POLYMER CHEMISTRY, 10(20), 2559–2569.

By: A. Oliver*, R. Spontak n & I. Manners*

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: June 17, 2019

2019 journal article

Spectroscopic and Rheological Cross-Analysis of Polyester Polyol Cure Behavior: Role of Polyester Secondary Hydroxyl Content

ACS OMEGA, 4(1), 932–939.

By: J. Tilly*, A. Pervaje*, D. Inglefield*, E. Santiso*, R. Spontak* & S. Khan*

TL;DR: The sol–gel transition of a series of polyester polyol resins possessing varied secondary hydroxyl content and reacted with a polymerized aliphatic isocyanate cross-linking agent is studied to elucidate the effect of molecular architecture on cure behavior. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 25, 2019

2018 journal article

Communication: Molecular-level description of constrained chain topologies in multiblock copolymer gel networks

JOURNAL OF CHEMICAL PHYSICS, 148(23).

By: M. Tuhin n, S. Woloszczuk*, K. Mineart n, M. Pasquinelli n, J. Sadler*, S. Smith*, M. Banaszak*, R. Spontak n

TL;DR: Network characteristics in physical gels composed of solvated block copolymers varying in molecular design are examined here by dynamic rheology and computer simulations to discern the dependence of equilibrium network metrics on both N and f. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2018 journal article

Crystallization-Directed Anisotropic Electroactuation in Selectively Solvated Olefinic Thermoplastic Elastomers: A Thermal and (Electro)Mechanical Property Study

ADVANCED FUNCTIONAL MATERIALS, 28(36).

By: D. Armstrong n & R. Spontak n

author keywords: anistropic electroactuation; block copolymers; dielectric elastomers; electroactive polymers; thermoplastic elastomer gels
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: October 19, 2018

2018 journal article

Effect of Systematic Hydrogenation on the Phase Behavior and Nanostructural Dimensions of Block Copolymers

ACS APPLIED MATERIALS & INTERFACES, 10(4), 3186–3190.

By: A. Ashraf*, J. Ryan*, M. Satkowski*, S. Smith* & R. Spontak*

author keywords: block copolymer; random copolymer; rubber hydrogenation; thermoplastic elastomer; polymer phase behavior; copolymer nanostructure
TL;DR: Dynamic rheological and scattering measurements indicate that TODT increases linearly with increasing hydrogenation, and the influence of hydrogenation becomes less pronounced in more constrained multiblock copolymers. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2018 journal article

Hierarchical Self-Assembly of Toroidal Micelles into Multidimensional Nanoporous Superstructures

ACS MACRO LETTERS, 7(8), 1040–1045.

By: J. Cai*, K. Mineart*, X. Li*, R. Spontak n, I. Manners* & H. Qiu*

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: October 16, 2018

2018 journal article

Incorporation of Metallic Species into Midblock-Sulfonated Block Ionomers

MACROMOLECULAR RAPID COMMUNICATIONS, 39(22).

By: J. Deng*, J. Yan n, J. Tilly n, L. Deng*, K. Mineart* & R. Spontak n

author keywords: block ionomers; charge neutralization; charged thermoplastic elastomers; ion incorporation; self-assembled morphology
MeSH headings : Molecular Structure; Organometallic Compounds / chemistry; Particle Size; Sulfonic Acids / chemistry; Surface Properties
TL;DR: Results indicate that uptake generally increases with increasing salt concentration, cationic charge, and specimen DOS, and that the spatial distribution of these species is relatively uniform throughout the block ionomer films. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 3, 2018

2018 journal article

Influence of fiber characteristics on directed electroactuation of anisotropic dielectric electroactive polymers with tunability

Composites Science and Technology, 154, 187–193.

By: K. Subramani n, R. Spontak n & T. Ghosh n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, NC State University Libraries, Web Of Science
Added: August 6, 2018

2018 journal article

Microphase-Separated Morphologies and Molecular Network Topologies in Multiblock Copolymer Gels

Macromolecules, 51(14), 5173–5181.

By: M. Tuhin n, J. Ryan n, J. Sadler*, Z. Han*, B. Lee*, S. Smith*, M. Pasquinelli n, R. Spontak*

Sources: Crossref, NC State University Libraries, ORCID
Added: December 6, 2018

2018 journal article

Modeling Polymer Glass Transition Properties from Empirical Monomer Data with the SAFT-gamma Mie Force Field

MACROMOLECULES, 51(23), 9526–9537.

By: A. Pervaje n, J. Tilly n, D. Inglefield*, R. Spontak n, S. Khan n & E. Santiso n

Sources: NC State University Libraries, NC State University Libraries
Added: January 7, 2019

2018 journal article

Nafion/IL hybrid membranes with tuned nanostructure for enhanced CO2 separation: effects of ionic liquid and water vapor

GREEN CHEMISTRY, 20(6), 1391–1404.

By: Z. Dai*, L. Ansaloni*, J. Ryan n, R. Spontak n & L. Deng*

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2018 journal article

Ordering and Grain Growth in Charged Block Copolymer Bulk Films: A Comparison of Solvent-Related Processes

ADVANCED MATERIALS INTERFACES, 5(8).

By: J. Ryan n, K. Mineart*, B. Lee* & R. Spontak n

author keywords: block ionomers; lamellar orientation; solvent permeation; solvent-vapor annealing; thermoplastic elastomers
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2018 journal article

Photodynamic Polymers as Comprehensive Anti-Infective Materials: Staying Ahead of a Growing Global Threat

ACS Applied Materials & Interfaces, 10(31), 25955–25959.

By: B. Peddinti n, F. Scholle n, R. Ghiladi n & R. Spontak n

author keywords: antimicrobial photodynamic inactivation; antibacterial surface; anti-infective polymer; antibiotic-resistant bacteria; antiviral; block copolymer; olefin thermoplastic elastomer
MeSH headings : Anti-Infective Agents / chemistry; Light; Photosensitizing Agents; Polymers; Singlet Oxygen
TL;DR: The anti-infective efficacy of bulk thermoplastic elastomer films containing zinc-tetra(4- N-methylpyridyl)porphine (ZnTMPyP4+), a photoactive antimicrobial that utilizes visible light to generate singlet oxygen, is explored. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries, ORCID
Added: February 5, 2020

2018 journal article

Preparation of cellulose nanofibrils for imaging purposes: comparison of liquid cryogens for rapid vitrification

CELLULOSE, 25(8), 4269–4274.

By: J. Torstensen*, P. Johnsen, H. Riis*, R. Spontak n, L. Deng*, O. Gregersen*, K. Syverud

author keywords: Nanocellulose; Cellulose nanofibril; Freeze-drying; Cryopreparation; Scanning electron microscopy
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2018 journal article

Quasi-Solid-State Dye-Sensitized Solar Cells Containing a Charged Thermoplastic Elastomeric Gel Electrolyte and Hydrophilic/phobic Photosensitizers

Solar RRL, 2(3), 1700145.

By: H. Al-Mohsin n, K. Mineart n, D. Armstrong n, A. El-Shafei n & R. Spontak n

Contributors: H. Al-Mohsin n, K. Mineart n, D. Armstrong n, A. El-Shafei n & R. Spontak n

author keywords: block copolymers; dye-sensitized solar cells; gel electrolytes; photovoltaic; thermoplastic elastomers
UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries, ORCID
Added: February 5, 2020

2018 journal article

Quasi-solid-state dye-sensitized solar cells containing a charged thermoplastic elastomeric gel electrolyte and hydrophilic/phobic photosensitizers

Solar RRL, 2(3).

By: H. Al-Mohsin n, K. Mineart n, D. Armstrong n, A. El-Shafei n & R. Spontak n

Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2018 journal article

Swelling and Free-Volume Characteristics of TEMPO-Oxidized Cellulose Nanofibril Films

BIOMACROMOLECULES, 19(3), 1016–1025.

By: J. Torstensen*, M. Liu n, S. Jin n, L. Deng*, A. Hawari n, K. Syverud*, R. Spontak n, O. Gregersen*

MeSH headings : Cellulose / chemistry; Cyclic N-Oxides / chemistry; Membranes, Artificial; Nanofibers / chemistry; Oxidation-Reduction
TL;DR: Investigation of the swelling behavior and accompanying free volume of self-standing TEMPO-oxidized (TO) CNF films in the presence of water vapor reveals an increase in the freeVolume of TO-CNF films with increasing RH. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2018 journal article

Thermoplastic Elastomer Systems Containing Carbon Nanofibers as Soft Piezoresistive Sensors

ACS OMEGA, 3(10), 12648–12657.

TL;DR: This study investigates the morphological, mechanical, electrical, and electromechanical properties of CPNs generated from thermoplastic elastomer (TPE) triblock copolymer systems containing vapor-grown carbon nanofiber (CNF). (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: November 26, 2018

2017 journal article

Adhesion and friction in polymer films on solid substrates: conformal sites analysis and corresponding surface measurements

Soft Matter, 13(19), 3492–3505.

By: R. An n, L. Huang*, K. Mineart n, Y. Dong*, R. Spontak n & K. Gubbins n

TL;DR: This analysis establishes that three dimensionless parameters play important roles in determining differences from bulk behavior for thin polymer films near to surfaces: a microscopic wetting parameter, αwx, defined as the ratio of polymer-substrate interaction to polymer-polymer interaction; a dimensionless film thickness; and dimensionless temperature. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018

2017 journal article

Bicomponent Block Copolymers Derived from One or More Random Copolymers as an Alternative Route to Controllable Phase Behavior

MACROMOLECULAR RAPID COMMUNICATIONS, 38(17).

By: A. Ashraf*, J. Ryan n, M. Satkowski*, B. Lee*, S. Smith* & R. Spontak n

author keywords: block copolymer; monomer sequencing; order-disorder transition; phase behavior; random copolymer
MeSH headings : Chemistry Techniques, Analytical / instrumentation; Molecular Weight; Polymers / chemistry; Temperature
TL;DR: It is demonstrated here that their phase behavior can alternatively be controlled through the use of blocks with random monomer sequencing, and this sequence-controlled synthetic strategy is extended to thermoplastic elastomeric triblock copolymers differing in chemistry and possessing a random-copolymer midblock. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Bottlebrush Elastomers: A New Platform for Freestanding Electroactuation

ADVANCED MATERIALS, 29(2).

By: M. Vatankhah-Varnoosfaderani*, W. Daniel*, A. Zhushma*, Q. Li*, B. Morgan*, K. Matyjaszewski*, D. Armstrong n, R. Spontak n ...

TL;DR: Freestanding, single-component dielectric actuators are designed based on bottlebrush elastomers that enable giant reversible strokes at relatively low electric fields and altogether avoid preactuation mechanical manipulation. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 article

Bottlebrush elastomers: a promising molecular engineering route to tunable, prestrain-free dielectric elastomers (Conference Presentation)

ELECTROACTIVE POLYMER ACTUATORS AND DEVICES (EAPAD) 2017, Vol. 10163.

By: M. Vatankhah-Varnosfaderani*, W. Daniel*, A. Zhushma*, Q. Li*, B. Morgan*, K. Matyjaszewski*, D. Armstrong n, A. Dobrynin* ...

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Complex Phase Behavior and Network Characteristics of Midblock-Solvated Triblock Copolymers as Physically Cross-Linked Soft Materials

ACS APPLIED MATERIALS & INTERFACES, 9(46), 39940–39944.

By: S. Woloszczuk n, M. Tuhin n, S. Gade n, M. Pasquinelli n, M. Banaszak n & R. Spontak n

author keywords: thermoplastic elastomer; physical gel; block copolymer; self-assembly; TPEG
TL;DR: This work performs Monte Carlo and dissipative particle dynamics simulations to investigate the phase behavior and network characteristics of triblock copolymers, finding the existence of a truncated octahedral morphology that resembles the atomic arrangement of various inorganic species. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

DESIGNING DIELECTRIC ELASTOMERS OVER MULTIPLE LENGTH SCALES FOR 21ST CENTURY SOFT MATERIALS TECHNOLOGIES

RUBBER CHEMISTRY AND TECHNOLOGY, 90(2), 207–224.

By: D. Armstrong n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Effect of polyelectrolyte on the barrier efficacy of layer-by-layer nanoclay coatings

JOURNAL OF MEMBRANE SCIENCE, 526, 172–180.

By: I. Soltani n, S. Smith* & R. Spontak n

author keywords: Barrier; LBL assembly; Nanocomposite; Packaging; Multilayer coating
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Hydrothermal Conditioning of Physical Hydrogels Prepared from a Midblock-Sulfonated Multiblock Copolymer

MACROMOLECULAR RAPID COMMUNICATIONS, 38(5).

By: K. Mineart n, J. Dickerson n, D. Love n, B. Lee*, X. Zuo* & R. Spontak n

author keywords: block ionomer; hydrothermal conditioning; multiblock copolymer; physical hydrogel; thermoplastic elastomer
MeSH headings : Adsorption; Hydrogels / chemical synthesis; Hydrogels / chemistry; Kinetics; Nanostructures / chemistry; Polymers / chemistry; Temperature; Water / chemistry
TL;DR: Real-time water-sorption kinetics in copolymer films prepared by different casting solvents are elucidated by synchrotron small-angle X-ray scattering and gravimetric measurements, which directly correlate nanostructural changes with macroscopic swelling to establish fundamental structure-property behavior. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 article

Inherently pre-strained elastomers with self-healing property: new generation of freestanding electroactuators (Conference Presentation)

ELECTROACTIVE POLYMER ACTUATORS AND DEVICES (EAPAD) 2017, Vol. 10163.

By: M. Vatankhah-Varnosfaderani*, S. Sheyko*, K. Matyjaszewski*, W. Daniel*, Q. Li*, B. Morgan*, R. Spontak n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Macromol. Rapid Commun. 17/2017

Macromolecular Rapid Communications, 38(17).

By: A. Ashraf*, J. Ryan n, M. Satkowski*, B. Lee*, S. Smith* & R. Spontak n

Sources: Crossref, NC State University Libraries
Added: February 5, 2020

2017 journal article

Molecular Dynamics Study of Polystyrene-b-poly(ethylene oxide) Asymmetric Diblock Copolymer Systems

LANGMUIR, 33(36), 8856–8868.

By: M. Dobies, M. Makrocka-Rydzyk, J. Jenczykt, M. Jarek, R. Spontak n & S. Jurga

TL;DR: In marked contrast to the thermal activation of the α process as discerned in both copolymers, the αc process appears to be a sensitive probe of the copolymer nanostructure, which can be explained in terms of the greater constraint imposed by the glassy PS matrix on the PEO blocks comprising smaller cylindrical microdomains. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Molecular and Morphological Characterization of Midblock-Sulfonated Styrenic Triblock Copolymers

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 55(6), 490–497.

By: K. Mineart n, J. Ryan n, B. Lee*, S. Smith* & R. Spontak n

author keywords: block copolymers; ionomers; morphology; TEM; SAXS; self-assembly
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Nanoscale considerations responsible for diverse macroscopic phase behavior in monosubstituted isobutyl-POSS/poly(ethylene oxide) blends

SOFT MATTER, 13(46), 8672–8677.

By: Y. Caydamli n, E. Yildirim n, J. Shen n, X. Fang n, M. Pasquinelli n, R. Spontak n, A. Tonelli n

TL;DR: This work investigates the phase behavior of nanocomposites composed of poly(ethylene oxide) (PEO) and monosubstituted isobutyl POSS (iPOSS) modified with different functional moieties and establishes the molecular-level origin for these observed differences in phase behavior. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Solvent-Templated Block Ionomers for Base- and Acid-Gas Separations: Effect of Humidity on Ammonia and Carbon Dioxide Permeation

Advanced Materials Interfaces, 4(22), 1700854.

By: L. Ansaloni*, Z. Dai*, J. Ryan n, K. Mineart n, Q. Yu*, K. Saud n, M. Hägg*, R. Spontak n, L. Deng*

author keywords: block ionomer; carbon capture; charged polymer membrane; gas separation membrane; thermoplastic elastomer
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Crossref, NC State University Libraries
Added: February 5, 2020

2017 journal article

Tuning the performance of aqueous photovoltaic elastomer gels by solvent polarity and nanostructure development

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 55(1), 85–95.

By: H. Al-Mohsin n, K. Mineart n, D. Armstrong n & R. Spontak n

author keywords: block copolymer; dye-sensitized solar cell; elastomers; organic photovoltaic devices; photochemistry; photovoltaic elastomer gel; thermoplastic elastomer
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

A Solvent-Vapor Approach toward the Control of Block lonomer Morphologies

MACROMOLECULES, 49(8), 3126–3137.

By: K. Mineart*, B. Lee* & R. Spontak*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Macromol. Rapid Commun. 22/2016

Macromolecular Rapid Communications, 37(22), 1785–1785.

By: S. Tallury n, B. Pourdeyhimi n, M. Pasquinelli n & R. Spontak n

Sources: Crossref, NC State University Libraries, ORCID
Added: December 6, 2018

2016 journal article

Microfibres and macroscopic films from the coordination-driven hierarchical self-assembly of cylindrical micelles

NATURE COMMUNICATIONS, 7.

By: D. Lunn*, O. Gould*, G. Whittell*, D. Armstrong n, K. Mineart n, M. Winnik*, R. Spontak n, P. Pringle*, I. Manners*

TL;DR: A simple, reversible coordination-driven hierarchical self-assembly strategy for the preparation of micron-scale fibres and macroscopic films based on monodisperse cylindrical block copolymer micelles, which results in robust, self-supporting micelle-based thin films with useful mechanical properties that are analogous to crosslinked polymer networks, but on a longer length scale. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Multipurpose Polymeric Coating for Functionalizing Inert Polymer Surfaces

ACS APPLIED MATERIALS & INTERFACES, 8(8), 5694–5705.

By: A. Oezcam, K. Efimenko*, R. Spontak*, D. Fischer* & J. Genzer*

author keywords: silicones; ultraviolet/ozone treatment; surface modification; trichlorosilane; PVMS; NEXAFS; semifluorinated; PET
TL;DR: PVMS-TCS is found to serve as a convenient precursor for the deposition of organosilanes and the subsequent growth of polymer brushes, even on hydrophobic surfaces, such as poly(ethylene terephthalate) and polypropylene. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Olefinic Thermoplastic Elastomer Gels: Combining Polymer Crystallization and Microphase Separation in a Selective Solvent

ACS MACRO LETTERS, 5(11), 1273–1277.

By: D. Armstrong*, K. Mineart*, B. Lee* & R. Spontak*

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Phase-Change Thermoplastic Elastomer Blends for Tunable Shape Memory by Physical Design

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 55(49), 12590–12597.

By: K. Mineart n, S. Tallury n, T. Li*, B. Lee* & R. Spontak n

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Physical Microfabrication of Shape-Memory Polymer Systems via Bicomponent Fiber Spinning

MACROMOLECULAR RAPID COMMUNICATIONS, 37(22), 1837–1843.

By: S. Tallury n, B. Pourdeyhimi n, M. Pasquinelli n & R. Spontak n

Contributors: S. Tallury n, B. Pourdeyhimi n, M. Pasquinelli n & R. Spontak n

author keywords: bicomponent fibers; cold-draw; core-shell fibers; shape-memory polymers; thermoplastic elastomers
TL;DR: This work investigates the effects of fiber composition and cross-sectional geometry on both conventional and cold-draw shape memory, and reports surprisingly high levels of strain fixity and recovery that generally improve upon strain cycling. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Water-induced nanochannel networks in self-assembled block ionomers

APPLIED PHYSICS LETTERS, 108(10).

By: K. Mineart n, H. Al-Mohsin n, B. Lee n & R. Spontak n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Batching method and effects of formulation and mechanical loading on electrical conductivity of natural rubber composites filled with multi-wall carbon nanotube and carbon black

Digest Journal of Nanomaterials and Biostructures, 10(3), 883–893.

By: K. Hemkaew, C. Dechwayukul, P. Aiyarak, R. Spontak & W. Thongruang

Source: NC State University Libraries
Added: August 6, 2018

2015 journal article

Dual modes of self-assembly in superstrongly segregated bicomponent triblock copolymer melts

PHYSICAL REVIEW E, 91(1).

By: S. Woloszczuk*, K. Mineart n, R. Spontak n & M. Banaszak*

TL;DR: On-lattice Monte Carlo simulations are employed to examine the phase behavior of molecularly asymmetric A(1)BA(2) copolymers possessing chemically identical endblocks differing significantly in length, establishing the coupled molecular-asymmetry and incompatibility conditions under which micelles form, as well as the temperature dependence of their aggregation number. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Film-Stabilizing Attributes of Polymeric Core-Shell Nanoparticles

ACS NANO, 9(8), 7940–7949.

By: X. Cai n, H. Yuan n, A. Blencowe*, G. Qiao*, J. Genzer n & R. Spontak n

author keywords: microgel particles; polymer thin film; nanolaminate; film stabilization; polymer coating; dewetting
TL;DR: Observations indicate that the present CSMG NP films are stabilized primarily by multidirectional penetration of relatively short, unentangled NP arms caused by NP layering, rather than by chain entanglement as in linear homopolymer thin films. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Highly Flexible Aqueous Photovoltaic Elastomer Gels Derived from Sulfonated Block Ionomers

ADVANCED ENERGY MATERIALS, 5(8).

By: H. Al-Mohsin n, K. Mineart n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Macromol. Rapid Commun. 5/2015

Macromolecular Rapid Communications, 36(5), 421–421.

Sources: Crossref, NC State University Libraries
Added: February 5, 2020

2015 journal article

Morphological Investigation of Midblock-Sulfonated Block Ionomers Prepared from Solvents Differing in Polarity

MACROMOLECULAR RAPID COMMUNICATIONS, 36(5), 432–438.

author keywords: block copolymers; electron tomography; ionomers; morphology; self-organization; polymer nanostructures
MeSH headings : Hydrophobic and Hydrophilic Interactions; Ions; Microscopy, Electron, Transmission; Particle Size; Polymers / chemistry; Solvents / chemistry; Sulfones / chemistry; Surface Properties; Water / chemistry
TL;DR: Detailed 3D analysis of the morphological characteristics of midblock-sulfonated pentablock ionomers confirms the coexistence of hexagonally-packed nonpolar cylinders and lamellae, which facilitates the diffusion of ions and/or other polar species through the nanostructured medium. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

Communication: Molecular-level insights into asymmetric triblock copolymers: Network and phase development

JOURNAL OF CHEMICAL PHYSICS, 141(12).

By: S. Tallury n, K. Mineart n, S. Woloszczuk*, D. Williams n, R. Thompson*, M. Pasquinelli n, M. Banaszak*, R. Spontak n

Contributors: S. Tallury n, K. Mineart n, S. Woloszczuk*, D. Williams n, R. Thompson*, M. Pasquinelli n, M. Banaszak*, R. Spontak n

TL;DR: This study uses several theoretical formalisms and simulation methods to examine the molecular-level characteristics accompanying this transformation, and shows that reported macroscopic-level transitions correspond to the onset of an equilibrium network. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2014 article

Communication: Molecular-level insights into asymmetric triblock copolymers: Network and phase development (vol 141, 121103, 2014)

Tallury, S. S., Mineart, K. P., Woloszczuk, S., Williams, D. N., Thompson, R. B., Pasquinelli, M. A., … Spontak, R. J. (2014, October 28). JOURNAL OF CHEMICAL PHYSICS, Vol. 141.

By: S. Tallury n, K. Mineart n, S. Woloszczuk*, D. Williams n, R. Thompson*, M. Pasquinelli n, M. Banaszak*, R. Spontak n

Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2014 journal article

Dissipative particle dynamics of triblock copolymer melts: A midblock conformational study at moderate segregation

JOURNAL OF CHEMICAL PHYSICS, 141(24).

By: S. Tallury n, R. Spontak n & M. Pasquinelli n

TL;DR: It is shown that midblock conformations can be sensitive to variations in chain length, molecular composition, and bead repulsion, and that a systematic investigation can be used to identify the onset of strong segregation where the presence of dangling and unsegregated fractions are minimal. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2014 journal article

Enhanced Electroactive Response of Unidirectional Elastomeric Composites with High-Dielectric-Constant Fibers

ADVANCED MATERIALS, 26(18), 2949–2953.

By: K. Subramani n, E. Cakmak n, R. Spontak n & T. Ghosh n

TL;DR: A fiber-elastomer composite design with a vastly improved and directional actuation response is proposed for dielectric elastomer actuators. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

Evolution of Homopolymer Thin-Film Instability on Surface-Anchored Diblock Copolymers Varying in Composition

LANGMUIR, 30(39), 11689–11695.

By: X. Cai n, J. Genzer n & R. Spontak n

TL;DR: This study investigates the destabilization rate and mechanism of homopolystyrene films differing in thickness on top of poly(styrene-b-methyl methacrylate) diblock copolymer monolayers varying in chemical composition anchored to flat silica-like substrates to examine the effect of surface constitution on PS stability. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

Toward the Development of a Versatile Functionalized Silicone Coating

ACS APPLIED MATERIALS & INTERFACES, 6(24), 22544–22552.

By: A. Oezcam, R. Spontak n & J. Genzer n

author keywords: silicone elastomer; trichlorosilane; poly(vinylmethylsiloxane); poly(dimethylsiloxane); thiol-ene; functional silicone
TL;DR: umerous experimental probes, including optical microscopy, Fourier-transform infrared spectroscopy, surface contact angle, ellipsometry, and nanoindentation are utilized to interrogate the physical and chemical characteristics of these PVMS-TCS coatings. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 journal article

Midblock-sulfonated triblock ionomers derived from a long-chain poly[styrene-b-butadiene-b-styrene] triblock copolymer

JOURNAL OF MATERIALS CHEMISTRY A, 1(10), 3430–3439.

By: P. Vargantwar n, M. Brannock n, K. Tauer* & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 journal article

Monte-carlo simulations of the order-disorder transition depression in ABA triblock copolymers with a short terminal block

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 51(5), 343–348.

By: S. Woloszczuk*, M. Banaszak* & R. Spontak n

author keywords: diblock copolymers; phase separation; molecular modeling; Monte Carlo simulation
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 journal article

Nanoscale distribution and segregation of midblock-selective co-penetrants in ABA triblock copolymer lamellae

RSC ADVANCES, 3(45), 22863–22867.

By: D. Piephoff n, K. Rasmussen* & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 journal article

Polymer Nanocomposites Containing Carbon Nanofibers as Soft Printable Sensors Exhibiting Strain-Reversible Piezoresistivity

ADVANCED FUNCTIONAL MATERIALS, 23(44), 5536–5542.

By: H. Toprakci n, S. Kalanadhabhatla n, R. Spontak n & T. Ghosh n

author keywords: electronic textiles; piezoresistive nanocomposites; printable sensors; percolative elastomers; pervasive computing
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 journal article

Ultrastretchable, cyclable and recyclable 1- and 2-dimensional conductors based on physically cross-linked thermoplastic elastomer gels

SOFT MATTER, 9(32), 7695–7700.

By: K. Mineart n, Y. Lin n, S. Desai n, A. Krishnan n, R. Spontak n & M. Dickey n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2012 journal article

Enhanced Biomimetic Performance of Ionic Polymer-Metal Composite Actuators Prepared with Nanostructured Block Ionomers

MACROMOLECULAR RAPID COMMUNICATIONS, 33(1), 61–68.

By: P. Vargantwar n, K. Roskov n, T. Ghosh n & R. Spontak n

author keywords: block ionomer; electroactive polymer; ionic polymer-metal composite; ion transport; polyelectrolyte; stimulti-responsive polymer
MeSH headings : Biomimetics; Electric Capacitance; Metals / chemistry; Nanostructures / chemistry; Polymers / chemical synthesis; Polymers / chemistry
TL;DR: The maximum bending actuation measured from IPMCs prepared with different solvents is at least comparable, but is often superior, to that reported for conventional IPMCs, without evidence of back relaxation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

Factors affecting time-composition equivalence in ternary block copolymer/cosolvent systems

SOFT MATTER, 8(5), 1334–1343.

By: A. Krishnan n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

Generation of functional PET microfibers through surface-initiated polymerization

JOURNAL OF MATERIALS CHEMISTRY, 22(12), 5855–5864.

By: A. Oezcam, K. Roskov n, R. Spontak n & J. Genzer n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

Interfacial stabilization of bilayered nanolaminates by asymmetric block copolymers

APPLIED PHYSICS LETTERS, 100(10).

By: A. Gozen n, J. Genzer n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

Macromol. Rapid Commun. 1/2012

Macromolecular Rapid Communications, 33(1), 100–100.

By: P. Vargantwar n, K. Roskov n, T. Ghosh n & R. Spontak n

Sources: Crossref, NC State University Libraries
Added: September 6, 2020

2012 journal article

Magnetic field-induced alignment of nanoparticles in electrospun microfibers

RSC ADVANCES, 2(11), 4603–4607.

By: K. Roskov n, J. Atkinson*, L. Bronstein* & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

Midblock sulfonation of a model long-chain poly(p-tert-butylstyrene-b-styrene-b-p-tert-butylstyrene) triblock copolymer

Journal of Materials Chemistry, 22(48), 25262.

By: P. Vargantwar n, M. Brannock n, S. Smith* & R. Spontak n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Crossref, NC State University Libraries
Added: September 6, 2020

2012 journal article

Modification of Melt-Spun Isotactic Polypropylene and Poly(lactic acid) Bicomponent Filaments with a Premade Block Copolymer

MACROMOLECULES, 45(2), 913–925.

By: S. Arvidson n, K. Roskov n, J. Pate n, R. Spontak n, S. Khan n & R. Gorga n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

Prestrain-Free Dielectric Elastomers Based on Acrylic Thermoplastic Elastomer Gels: A Morphological and (Electro)Mechanical Property Study

ADVANCED FUNCTIONAL MATERIALS, 22(10), 2100–2113.

By: P. Vargantwar n, A. Oezcam, T. Ghosh n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

Responsive PET Nano/Microfibers via Surface-Initiated Polymerization

ACS APPLIED MATERIALS & INTERFACES, 4(1), 59–64.

By: A. Ozcam n, K. Roskov n, J. Genzer n & R. Spontak n

author keywords: electrospinning; polymer brush; poly(ethylene terephthalate); responsive polymer; surface functionalization
MeSH headings : Acrylamides / chemistry; Acrylic Resins; Nanofibers / chemistry; Polyethylene Glycols / chemistry; Polyethylene Terephthalates; Polymerization; Polymers / chemical synthesis; Polymers / chemistry
TL;DR: Water contact-angle measurements conducted at temperatures below and above the lower critical solution temperature of PNIPAAm, coupled with adsorption of Au nanoparticles from aqueous suspension, demonstrate that the brushes retain their reversible thermoresponsive nature, thereby making PNipAAm-functionalized PET microfibers suitable for filtration media, tissue scaffolds, delivery vehicles, and sensors requiring robust microf fibers. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

Ternary Phase Behavior of a Triblock Copolymer in the Presence of an Endblock-Selective Homopolymer and a Midblock-Selective Oil

MACROMOLECULES, 45(15), 6056–6067.

By: A. Krishnan*, S. Smith* & R. Spontak*

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

Thermorheological behavior of coexisting physical networks: combining SAFIN and SAMIN organogels

Soft Matter, 8(48), 12025.

By: A. Krishnan n, P. Vargantwar n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries
Added: September 6, 2020

2011 journal article

(Electro)mechanical behavior of selectively solvated diblock/triblock copolymer blends

APPLIED PHYSICS LETTERS, 99(24).

By: P. Vargantwar n, S. Brelander n, A. Krishnan n, T. Ghosh n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2011 journal article

Block copolymer self-organization vs. interfacial modification in bilayered thin-film laminates

SOFT MATTER, 7(7), 3268–3272.

By: A. Gozen n, J. Zhou*, K. Roskov n, A. Shi*, J. Genzer n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2011 article

Deviation from time-composition equivalence in polymer solutions with selective cosolvents

Krishnan, A. S., & Spontak, R. J. (2011, December). AIP ADVANCES, Vol. 1.

By: A. Krishnan n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2011 journal article

Electroactuation of Solvated Triblock Copolymer Dielectric Elastomers: Decoupling the Roles of Mechanical Prestrain and Specimen Thickness

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 49(22), 1569–1582.

By: A. Krishnan n, P. Vargantwar n, T. Ghosh n & R. Spontak n

author keywords: biaxiality; block copolymers; dielectric properties; films; gels; mechanical properties; micelles; modulus; self-assembly; stimuli-responsive polymers
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2011 journal article

Exceptional versatility of solvated block copolymer/ionomer networks as electroactive polymers

SOFT MATTER, 7(5), 1651–1655.

By: P. Vargantwar n, R. Shankar n, A. Krishnan n, T. Ghosh n & R. Spontak n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2011 journal article

Long-Range Alignment of Gold Nanorods in Electrospun Polymer Nano/Microfibers

Langmuir, 27(23), 13965–13969.

By: K. Roskov, K. Kozek, W. Wu, R. Chhetri*, A. Oldenburg*, R. Spontak*, J. Tracy*

Contributors: K. Roskov, K. Kozek, W. Wu, R. Chhetri*, A. Oldenburg*, R. Spontak*, J. Tracy*

MeSH headings : Algorithms; Gold / chemistry; Nanofibers / chemistry; Nanotubes / chemistry; Particle Size; Polyethylene Glycols / chemistry; Surface Properties
TL;DR: Optical absorbance spectroscopy measurements reveal that the longitudinal surface plasmon resonance bands of the aligned GNRs depend on the polarization angle and that maximum extinction occurs when the polarization is parallel to n. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries, ORCID
Added: December 14, 2018

2011 journal article

Selectively solvated triblock copolymer networks under biaxial strain

APPLIED PHYSICS LETTERS, 99(10).

By: A. Krishnan n, J. Zanten n, S. Seifert n, B. Lee n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 journal article

Controlling the phase behavior of block copolymers via sequential block growth

POLYMER, 51(23), 5304–5308.

By: A. Gozen*, M. Gaines*, M. Hamersky, P. Maniadis, K. Rasmussen, S. Smith, R. Spontak*

author keywords: Block copolymer; Phase behavior; Mean-field theory
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 journal article

Cosolvent-regulated time-composition rheological equivalence in block copolymer solutions

SOFT MATTER, 6(18), 4331–4334.

By: A. Krishnan n, S. Seifert*, B. Lee*, S. Khan n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 patent

Nano-and micro-cellular foamed thin-walled material, and processes and apparatuses for making the same

By: J. DeSimone, S. Siripurapu, S. Khan, R. Spontak & J. Royer

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Nanoparticle Network Formation in Nanostructured and Disordered Block Copolymer Matrices

NANOSCALE RESEARCH LETTERS, 5(10), 1712–1718.

By: M. Gaines n, S. Smith*, J. Samseth*, S. Khan n & R. Spontak n

author keywords: Block copolymer; Colloidal network; Nanostructured polymer; Nanocomposite; Silica; Nanoparticles; Fumed silica; Colloidal silica
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 review

Transmission Electron Microtomography and Polymer Nanostructures

[Review of ]. MACROMOLECULES, 43(4), 1675–1688.

By: H. Jinnai*, R. Spontak n & T. Nishi*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Bi-directional Kirkendall Effect in Coaxial Microtuble Nanolaminate Assemblies Fabricated by Atomic Layer Deposition

ACS NANO, 3(3), 546–554.

By: Q. Peng*, X. Sun, J. Spagnola n, C. Saquing*, S. Khan*, R. Spontak n, G. Parsons*

Contributors: Q. Peng*, X. Sun, J. Spagnola n, C. Saquing*, S. Khan*, R. Spontak n, G. Parsons*

author keywords: atomic layer deposition; electrospinning; aluminum oxide; zinc oxide; Kirkendall effect; tube-in-tube; microtube
TL;DR: Low-temperature atomic layer deposition of Al2O3 and ZnO enables the fabrication of complex coaxial multilayered microtubes with precise control of the starting film thicknesses and relative composition. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2009 journal article

Competitive hydrogen-bonding in polymer solutions with mixed solvents

SOFT MATTER, 5(2), 304–307.

By: R. Shankar n, R. Klossner n, J. Weaver n, T. Koga*, J. Zanten n, W. Krause n, C. Colina*, F. Tanaka*, R. Spontak n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Mechanical and actuation behavior of electroactive nanostructured polymers

SENSORS AND ACTUATORS A-PHYSICAL, 151(1), 46–52.

By: R. Shankar n, T. Ghosh n & R. Spontak n

author keywords: Electroactive nanostructured polymer; Compressive modulus; Blocking stress
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Modification of PET surfaces with self-assembled monolayers of organosilane precursors

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 172(1-3), 95–103.

By: A. Ozcam*, K. Efimenko*, C. Jaye, R. Spontak*, D. Fischer & J. Genzer*

author keywords: Poly(ethylene terephthalate) (PET); Ultraviolet/ozone (UVO); Polymer surface modification; SAM; NEXAFS
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 review

Transmission electron microtomography in polymer research

[Review of ]. POLYMER, 50(5), 1067–1087.

By: H. Jinnai* & R. Spontal

author keywords: 3D imaging; Transmission electron microtomography; 3D digital image analysis; Block copolymers; Microphase-separated structures; Bicontinuous structures
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Autophobicity-driven surface segregation and patterning of core-shell microgel nanoparticles

NANO LETTERS, 8(9), 3010–3016.

By: B. Wei n, P. Gurr n, A. Gozen n, A. Blencowe n, D. Solomon n, G. Qiao n, R. Spontak n, J. Genzer n

MeSH headings : Micelles; Microscopy, Atomic Force; Microscopy, Electron, Transmission; Nanoparticles
TL;DR: This study explores the behavior of CSMG nanoparticles comprising a poly(methyl methacrylate) shell in molten PMMA thin films and finds that the autophobicity between the densely packed, short PMMA arms of the CSMG shell and the long PMMA chains in the matrix, the nanoparticles migrate to the film surface. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Extended chemical crosslinking of a thermoplastic polyimide: Macroscopic and microscopic property development

MACROMOLECULAR RAPID COMMUNICATIONS, 29(17), 1461–1466.

By: C. Aberg n, A. Ozcam n, J. Majikes n, M. Seyam n & R. Spontak n

author keywords: barrier; calorimetry; crosslinking; networks; polyimides
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Field-driven surface segregation of biofunctional species on electrospun PMMA/PEO microfibers

MACROMOLECULAR RAPID COMMUNICATIONS, 29(17), 1455–1460.

By: X. Sun n, L. Nobles n, H. Boerner & R. Spontak n

author keywords: fibers; functionalization of polymers; peptides; surfaces; toughness
TL;DR: It is demonstrated that the peptide segment of a polymer-peptide conjugate can be selectively driven to the surface of polymer nano/microfibers during electrospinning due to contrast in polarizability. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

In situ Growth of Pd Nanoparticles in Crosslinked Polymer Matrices

MACROMOLECULAR RAPID COMMUNICATIONS, 29(24), 1926–1931.

By: C. Aberg n, M. Seyam n, S. Lassell n, L. Bronstein* & R. Spontak n

author keywords: crosslinking; electron microscopy; membranes; nanoparticles; networks
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Nanoparticle-regulated phase behavior of ordered block copolymers

SOFT MATTER, 4(8), 1609–1612.

By: M. Gaines n, S. Smith*, J. Samseth*, M. Bockstaller*, R. Thompson*, K. Rasmussen*, R. Spontak n

TL;DR: Experimental observations of a nanostructured diblockCopolymer containing inorganic nanoparticles confirm that nanoparticle size and selectivity can likewise stabilize the copolymer nanostructure by increasing its order-disorder transition temperature. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 review

Thermodynamics and kinetic processes of polymer blends and block copolymers in the presence of pressurized carbon dioxide

[Review of ]. ADVANCED MATERIALS, 20(5), 879–898.

By: T. Walker*, D. Frankowski n & R. Spontak n

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Triblock copolymer organogels as high-performance dielectric elastomers

MACROMOLECULES, 41(16), 6100–6109.

By: R. Shankar n, A. Krishnan n, T. Ghosh n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

Atomic layer deposition on electrospun polymer fibers as a direct route to Al2O3 microtubes with precise wall thickness control

NANO LETTERS, 7(3), 719–722.

By: Q. Peng n, X. Sun n, J. Spagnola n, G. Hyde n, R. Spontak n & G. Parsons n

Contributors: Q. Peng n, X. Sun n, J. Spagnola n, G. Hyde n, R. Spontak n & G. Parsons n

TL;DR: Atomic layer deposition of Al2O3 on electrospun poly(vinyl alcohol) microfiber templates is demonstrated as an effective and robust strategy by which to fabricate long and uniform metal-oxide microtubes. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2007 journal article

Chain-scission-induced intercalation as a facile route to polymer nanocomposites

ADVANCED MATERIALS, 19(9), 1286-+.

By: D. Frankowski n, S. Khan n & R. Spontak n

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 review

Dielectric elastomers as next-generation polymeric actuators

[Review of ]. SOFT MATTER, 3(9), 1116–1129.

By: R. Shankar n, T. Ghosh n & R. Spontak n

TL;DR: An overview of various EAPs in terms of their operational mechanisms, uses and shortcomings, as well as a detailed account of dielectric elastomers as next-generation actuators are provided. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

Electroactive nanostructured polymers as tunable actuators

ADVANCED MATERIALS, 19(17), 2218-+.

By: R. Shankar n, T. Ghosh n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

Electromechanical response of nanostructured polymer systems with no mechanical pre-strain

MACROMOLECULAR RAPID COMMUNICATIONS, 28(10), 1142–1147.

By: R. Shankar n, T. Ghosh n & R. Spontak n

author keywords: actuator; block copolymers; EAP; electroactive; electroelastomer; micelles
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

Field-driven biofunctionalization of polymer fiber surfaces during electrospinning

ADVANCED MATERIALS, 19(1), 87-+.

By: X. Sun n, R. Shankar n, H. Boerner, T. Ghosh n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

Growth and crystallization of metal-containing block copolymer nanotubes in a selective solvent

ADVANCED MATERIALS, 19(17), 2279-+.

By: X. Wang*, H. Wang*, D. Frankowski n, P. Lam n, P. Welch*, M. Winnik*, J. Hartmann*, I. Manners*, R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

Inside Front Cover: Field-Driven Biofunctionalization of Polymer Fiber Surfaces during Electrospinning (Adv. Mater. 1/2007)

Advanced Materials, 19(1), NA-NA.

By: X. Sun n, R. Shankar n, H. Börner*, T. Ghosh n & R. Spontak n

TL;DR: Surface-biofunctionalized synthetic polymer fibers composed of a fiber-forming host polymer and an oligopeptide conjugate can be prepared from electrospinning, report Spontak and co-workers. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: September 6, 2020

2007 journal article

Morphological development and rheological changes of phenoxy/SAN blends during in-situ polymerization

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 45(18), 2614–2619.

By: Q. Guo*, P. Arends*, R. Thomann*, R. Spontak n & W. Gronski*

author keywords: blends; in-situ polymerization; morphology; polymer blends; rheology
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 article

Silk fibroin membranes from solvent-crystallized silk fibroin/gelatin blends: Effects of blend and solvent composition

Gil, E. S., Frankowski, D. J., Hudson, S. M., & Spontak, R. J. (2007, April). MATERIALS SCIENCE & ENGINEERING C-BIOMIMETIC AND SUPRAMOLECULAR SYSTEMS, Vol. 27, pp. 426–431.

By: E. Gil n, D. Frankowski n, S. Hudson n & R. Spontak n

author keywords: silk fibroin; gelatin; biomacromolecules; membranes; protein blends; bioconjugates
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

Stability of organically modified montmorillonites and their polystyrene nanocomposites after prolonged thermal treatment

CHEMISTRY OF MATERIALS, 19(11), 2757–2767.

By: D. Frankowski n, M. Capracotta n, J. Martin n, S. Khan n & R. Spontak n

Contributors: D. Frankowski n, M. Capracotta n, J. Martin n, S. Khan n & R. Spontak n

Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2007 journal article

Supramolecular nanomimetics: Replication of micelles, viruses, and other naturally occurring nanoscale objects

SMALL, 3(5), 845–849.

By: B. Maynor*, I. LaRue*, Z. Hu*, J. Rolland*, A. Pandya*, Q. Fu*, J. Liu*, R. Spontak n ...

author keywords: carbon nanotubes; molding; replication; supramolecular chemistry
MeSH headings : Biomimetic Materials / chemistry; Biomimetics / methods; Crystallization / methods; Ethers / chemistry; Fluorocarbons / chemistry; Macromolecular Substances / chemistry; Materials Testing; Micelles; Molecular Conformation; Nanostructures / chemistry; Nanostructures / ultrastructure; Nanotechnology / methods; Particle Size; Surface Properties; Viruses / chemistry; Viruses / ultrastructure
TL;DR: A nanofabrication method that is able to reproduce shapes normally associated with self-assembly using robust nanoscale replication methods, thereby combining the morphological sophistication of the natural world with the scalable processing technologies associated with lithography is reported. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

3D nanometer-scale study of coexisting bicontinuous morphologies in a block copolymer/homopolymer blend

MACROMOLECULAR RAPID COMMUNICATIONS, 27(17), 1424–1429.

By: H. Jinnai*, H. Hasegawa n, Y. Nishikawa*, G. Sevink*, M. Braunfeld*, D. Agard*, R. Spontak n

author keywords: bicontinuous networks; block copolymers; phase separation; simulations; TEM
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Front Cover: Macromol. Rapid Commun. 17/2006

Macromolecular Rapid Communications, 27(17), 1401–1401.

By: H. Jinnai*, H. Hasegawa n, Y. Nishikawa*, G. Sevink*, M. Braunfeld*, D. Agard*, R. Spontak n

Sources: Crossref, NC State University Libraries
Added: September 6, 2020

2006 journal article

Mixed protein mends composed of gelatin and bombyx mori silk fibroin: Effects of so solvent-induced crystallization and composition

BIOMACROMOLECULES, 7(3), 728–735.

By: E. Gil n, D. Frankowski n, M. Bowman n, A. Gozen n, S. Hudson n & R. Spontak n

MeSH headings : Animals; Biocompatible Materials / chemistry; Bombyx; Crystallization; Fibroins / chemistry; Gelatin / chemistry; Hydrogels / chemistry; Macromolecular Substances / chemistry; Molecular Conformation; Proteins / chemistry; Silk / chemistry; Solvents / chemistry
TL;DR: The present study establishes the foundation for future research into thermally responsive G/SF bioconjugates by preserving a support scaffold above the G helix-to-coil transition temperature, which can be used to stabilize G-based hydrogels for biomaterial and pharmaceutical purposes. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Molecularly asymmetric triblock copolymers as a single-molecule route to ordered bidisperse polymer brushes

LANGMUIR, 22(15), 6465–6468.

By: S. Smith n, M. Hamersky n, M. Bowman n, K. Rasmussen n & R. Spontak n

TL;DR: The conditions signaling the formation of bidisperse brushes in ordered block copolymers are investigated as an A(2) block is progressively grown onto an A (1)B diblock copolymer to form a series of molecularly asymmetric, isomorphic A(1)BA( 2) triblockCopolymers. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Selectivity- and size-induced segregation of molecular and nanoscale species in microphase-ordered triblock copolymers

NANO LETTERS, 6(9), 2115–2120.

By: R. Spontak n, R. Shankar n, M. Bowman n, A. Krishnan n, M. Hamersky n, J. Samseth n, M. Bockstaller n, K. Rasmussen n

TL;DR: A self-consistent field theoretical approach is used to quantitatively evaluate the segregation and interfacial excess of low-molar-mass and nanoscale species in ordered triblock copolymers as functions of block selectivity and inclusion size, and the predictions are found to agree with the morphology observed in a model triblockCopolymer/nanoparticle composite, demonstrating the generality of this approach. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Transmission Electron Microtomography (TEMT) of Nanostructured Polymers under Dynamically Evolving Conditions

Microscopy and Microanalysis, 12(S02), 182–183.

By: R. Spontak n, M. Braunfeld*, D. Agard* & H. Jinnai*

Sources: Crossref, NC State University Libraries
Added: September 6, 2020

2006 journal article

Tunable instability mechanisms of polymer thin films by molecular self-assembly

LANGMUIR, 22(21), 8642–8645.

By: B. Wei n, P. Lam n, M. Braunfeld n, D. Agard n, J. Genzer n & R. Spontak n

MeSH headings : Microscopy, Atomic Force; Polymethyl Methacrylate / chemistry; Polystyrenes / chemistry
TL;DR: Incorporation of a block copolymer into a thin polymer film is observed to alter both the rate and mechanism by which the film dewets from an immiscible polymer substrate. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2005 journal article

Controlled foaming of polymer films through restricted surface diffusion and the addition of nanosilica particles or CO2-philic surfactants

MACROMOLECULES, 38(6), 2271–2280.

By: S. Siripurapu n, J. DeSimone n, S. Khan n & R. Spontak n

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2005 journal article

Effect of beta-sheet crystals on the thermal and rheological behavior of protein-based hydrogels derived from gelatin and silk fibroin

MACROMOLECULAR BIOSCIENCE, 5(8), 702–709.

By: E. Gil n, R. Spontak n & S. Hudson n

author keywords: gelatin; helix-coil transition; hydrogels; polymer network; silk fibroin
MeSH headings : Animals; Bombyx / chemistry; Calorimetry, Differential Scanning; Fibroins / chemistry; Gelatin / chemistry; Hot Temperature; Hydrogels / chemistry; Insect Proteins / chemistry; Protein Structure, Secondary; Swine
TL;DR: The temperature-dependent elastic modulus across the G helix-coil transition is reversible, indicating that the conformational change in G can be used in stabilized G/SF hydrogels to induce thermally triggered encapsulant release. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2005 journal article

Low-temperature reactive coupling at polymer–polymer interfaces facilitated by supercritical CO2

Polymer, 46(23), 10173–10179.

By: S. Harton*, F. Stevie*, R. Spontak*, T. Koga, M. Rafailovich, J. Sokolov, H. Ade*

author keywords: polymer bends; reactive compatibilization; supercritical fluids
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018

2005 journal article

Phase behavior of triblock copolymers varying in molecular asymmetry

PHYSICAL REVIEW LETTERS, 95(16).

By: M. Hamersky*, S. Smith*, A. Gozen n & R. Spontak n

TL;DR: Dynamic rheological measurements show that the order-disorder transition (ODT) temperatures of two copolymer series differing in composition and molecular weight decrease when the A(2) block is short relative to the A (1) block, and then increase as the length of the A-2 block is increased further. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2005 journal article

Property and Morphology Development in Nanocomposite Thermoplastic Elastomer Gels

Langmuir, 21(7), 3106–3115.

By: G. van Maanen n, S. Seeley n, M. Capracotta n, S. White n, R. Bukovnik n, J. Hartmann n, J. Martin n, R. Spontak n

Contributors: G. Van Maanen n, S. Seeley n, M. Capracotta n, S. White n, R. Bukovnik n, J. Hartmann n, J. Martin n, R. Spontak n

TL;DR: This work investigates the effect of several network-forming nanoscale modifiers-two different silica nanoparticles, three different nanoclays, and a multiwalled carbon nanotube-on the property and morphology development of a TPEG prepared from a microphase-ordered poly(styrene-b-(ethylene-co-butylene)-b-styrene) (SEBS) triblock copolymer imbibed with an EB-compatible aliphatic mineral oil. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, Crossref, ORCID
Added: August 6, 2018

2005 journal article

Swelling behavior and morphological evolution of mixed gelatin/silk fibroin hydrogels

BIOMACROMOLECULES, 6(6), 3079–3087.

By: E. Gil n, D. Frankowski n, R. Spontak n & S. Hudson n

MeSH headings : Animals; Biocompatible Materials / chemistry; Bombyx; Crystallization; Fibroins / chemistry; Gelatin / chemistry; Hydrogel, Polyethylene Glycol Dimethacrylate / chemistry; Hydrogels / chemistry; Kinetics; Macromolecular Substances / chemistry; Methanol / chemistry; Methanol / pharmacology; Microscopy, Electron; Microscopy, Electron, Scanning; Protein Structure, Secondary; Silk / chemistry; Temperature; Time Factors; Water / chemistry
TL;DR: This work investigates the swelling and protein release kinetics of G/SF hydrogels varying in composition at temperatures below and above the G h-->c transition and dictates the efficacy of these novel materials as stimuli-responsive delivery vehicles. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2005 journal article

Transmission Electron Microtomography (TEMT) of Nanostructured Polymers and Polymer Nanocomposites

Microscopy and Microanalysis, 11(S02).

By: R. Spontak n, A. Gozen n, M. Braunfeld* & D. Agard*

Sources: Crossref, NC State University Libraries
Added: September 6, 2020

2005 journal article

Tunable CO2 transport through mixed polyether membranes

JOURNAL OF MEMBRANE SCIENCE, 251(1-2), 51–57.

By: N. Patel n, M. Hunt n, S. Lin-Gibson*, S. Bencherif* & R. Spontak n

author keywords: polyether; gas-separation membrane; reverse selectivity
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 book review

Book review: Block Copolymers. Synthetic Strategies, Physical Properties, and Applications. By Nikos Hadjichristidis, Stergios Pispas, and George A. Floudas.

[Review of Block Copolymers. Synthetic Strategies, Physical Properties, and Applications, by N. Hadjichristidis, S. Pispas, & G. A. Floudas]. Advanced Materials, 16(4), 367–368.

By: R. Spontak*

Sources: Crossref, NC State University Libraries
Added: December 27, 2020

2004 journal article

Cover Picture: Macromol. Chem. Phys. 18/2004

Macromolecular Chemistry and Physics, 205(18), 2381–2381.

By: D. Frankowski n, S. Fournier-Bidoz*, I. Manners n, G. Ozin*, S. Khan n & R. Spontak n

Sources: Crossref, NC State University Libraries
Added: September 6, 2020

2004 journal article

Dewetting behavior of a block copolymer/homopolymer thin film on an immiscible homopolymer substrate

LANGMUIR, 20(20), 8659–8667.

By: B. Wei n, J. Genzer n & R. Spontak n

TL;DR: Transmission electron microscopy reveals the morphological characteristics of dewetted PS/SM films as functions of film thickness and SM concentration, as evidenced by measurably different dewetting rates. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Dewetting of star nanogel/homopolymer blends from an immiscible homopolymer substrate

MACROMOLECULES, 37(21), 7857–7860.

By: B. Wei n, P. Gurr n, J. Genzer n, G. Qiao n, D. Solomon n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Effects of pressure and nanoparticle functionality on CO2-selective nanocomposites derived from crosslinked poly(ethylene glycol)

MACROMOLECULAR CHEMISTRY AND PHYSICS, 205(18), 2409–2419.

By: N. Patel n, J. Zielinski*, J. Samseth* & R. Spontak n

author keywords: gas permeation; membranes; nanocomposites; networks; poly(ethylene glycol)
TL;DR: Results from swelling and sorption kinetics confirm that both penetrant diffusivity and solubility increase with increasing PEGda chain length and decreasing network density, and Methacrylate- terminated FS nanoparticles are more effective in improving rheological properties and retaining high CO 2 selectivity than hydroxyl-terminated nanoparticles of comparable size. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Formation of dispersed nanostructures from poly(ferrocenyldimethylsilane-b-dimethylsiloxane) nanotubes upon exposure to supercritical carbon dioxide

LANGMUIR, 20(21), 9304–9314.

By: D. Frankowski n, J. Raez n, I. Manners n, M. Winnik n, S. Khan n & R. Spontak n

MeSH headings : Carbon Dioxide / chemistry; Ferrous Compounds / chemistry; Molecular Conformation; Nanostructures / chemistry; Nanotubes / chemistry; Organosilicon Compounds / chemistry; Particle Size; Pressure; Siloxanes / chemistry; Surface Properties
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Gas-transport and thermal properties of a microphase-ordered poly(styrene-b-ethylene oxide-b-styrene) triblock copolymer and its blends with poly(ethylene glycol)

MACROMOLECULES, 37(8), 2829–2838.

By: N. Patel n & R. Spontak n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Highly CO2-permeable and -selective membranes derived from crossfinked poly(ethylene glycol) and its nanocomposites

ADVANCED FUNCTIONAL MATERIALS, 14(7), 699–707.

By: N. Patel n, A. Miller n & R. Spontak n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Low-temperature, surface-mediated foaming of polymer films

ADVANCED MATERIALS, 16(12), 989-+.

By: S. Siripurapu n, J. DeSimone n, S. Khan n & R. Spontak n

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Mesoblends of polyether block copolymers with poly(ethylene glycol)

MACROMOLECULES, 37(4), 1394–1402.

By: N. Patel n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 patent

Methods of making foamed materials of blended thermoplastic polymers using carbon dioxide

Washington, DC: U.S. Patent and Trademark Office.

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Morphological, mechanical and gas-transport characteristics of crosslinked poly(propylene glycol): homopolymers, nanocomposites and blends

POLYMER, 45(17), 5941–5950.

By: N. Patel n, C. Aberg n, A. Sanchez n, M. Capracotta n, J. Martin n & R. Spontak n

Contributors: N. Patel n, C. Aberg n, A. Sanchez n, M. Capracotta n, J. Martin n & R. Spontak n

author keywords: reverse-selective; polymer membrane; nanocomposite
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2004 journal article

Platinum nanoparticles generated in functionality-enhanced reaction media based on polyoctadecylsiloxane with long-chain functional modifiers

JOURNAL OF PHYSICAL CHEMISTRY B, 108(20), 6175–6185.

By: E. Shtykova*, D. Svergun*, D. Chernyshov*, I. Khotina, P. Valetsky*, R. Spontak*, L. Bronstein*

TL;DR: Transmission electron microscopy reveals that relatively monodisperse Pt nanoparticles measuring approximately 1 nm in diameter are located along the siloxy bilayers, whereas anomalous SAXS further indicates that nanoparticles form aggregates of comparable size to d within the PODS double layers. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Redox-active organometallic vesicles: Aqueous self-assembly of a diblock copolymer with a hydrophilic polyferrocenylsilane polyelectrolyte block

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 43(10), 1260–1264.

By: K. Power-Billard*, R. Spontak n & I. Manners*

author keywords: block copolymers; liposomes; nanostructures; ring-opening polymerization; self-assembly
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Structure and catalytic properties of Pt-modified hyper-cross-linked polystyrene exhibiting hierarchical porosity

JOURNAL OF PHYSICAL CHEMISTRY B, 108(47), 18234–18242.

By: L. Bronstein n, G. Goerigk n, M. Kostylev n, M. Pink n, I. Khotina, P. Valetsky n, V. Matveeva n, E. Sulman n ...

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Surface-constrained foaming of polymer thin films with supercritical carbon dioxide

MACROMOLECULES, 37(26), 9872–9879.

By: S. Siripurapu n, J. Coughlan n, R. Spontak n & S. Khan n

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Thermodynamics of poly(dimethylsiloxane)/poly(ethylmethylsiloxane) (PDMS/PEMS) blends in the presence of high-pressure CO2

MACROMOLECULES, 37(7), 2588–2595.

By: T. Walker n, C. Colina n, K. Gubbins n & R. Spontak n

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Tunable microcellular morphologies from poly (ferrocenylsilane) ceramic precursors foamed in supercritical CO(2)

MACROMOLECULAR CHEMISTRY AND PHYSICS, 205(18), 2398–2408.

By: D. Frankowski n, S. Fournier-Bidoz*, I. Manners*, G. Ozin*, S. Khan n & R. Spontak n

author keywords: ceramic precursors; CO(2); foams; heteroatom-containing polymers; morphology
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 article

Composite electrolytes from self-assembled colloidal networks

Walls, H. J., Riley, M. W., Fedkiw, P. S., Spontak, R. J., Baker, G. L., & Khan, S. A. (2003, June 30). ELECTROCHIMICA ACTA, Vol. 48, pp. 2071–2077.

By: H. Walls n, M. Riley n, P. Fedkiw n, R. Spontak n, G. Baker* & S. Khan n

author keywords: composite electrolytes; colloidal networks; oligomers
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Controlled synthesis of novel metalated poly(aminohexyl)-(aminopropyl)silsesquioxane colloids

LANGMUIR, 19(17), 7071–7083.

By: L. Bronstein*, C. Linton*, R. Karlinsey*, E. Ashcraft*, B. Stein*, D. Svergun*, M. Kozin*, I. Khotina ...

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Effects of composition and matrix polarity on network development in organogels of poly(ethylene glycol) and dibenzylidene sorbitol

LANGMUIR, 19(15), 6004–6013.

By: E. Wilder n, C. Hall n, S. Khan n & R. Spontak n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Gel network development inn AB, ABA, and AB/ABA block copolymer solutions inn a selective solvent

Polymer Gels: Fundamentals and Applications, 833, 248–261.

By: E. Wilder n, S. White*, S. Smith* & R. Spontak n

Ed(s): P. H. B. Bohidar & Y. Osada

Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2003 journal article

Highly CO2-permeable and selective polymer nanocomposite membranes

ADVANCED MATERIALS, 15(9), 729–733.

By: N. Patel n, A. Miller n & R. Spontak n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Influence of polymer conformation on the shear modulus and morphology of polyallylamine and poly(alpha-L-lysine) hydrogels

MACROMOLECULES, 36(16), 6189–6201.

By: E. Oliveira n, S. Hirsch n, R. Spontak n & S. Gehrke n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Nanocomposite electrolytes with fumed silica and hectorite clay networks: Passive versus active fillers

ADVANCED FUNCTIONAL MATERIALS, 13(9), 710–717.

By: H. Walls n, M. Riley n, R. Singhal n, R. Spontak n, P. Fedkiw n & S. Khan*

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Nanofibrillar networks in poly(ethyl methacrylate) and its silica nanocomposites

JOURNAL OF PHYSICAL CHEMISTRY B, 107(42), 11633–11642.

By: E. Wilder n, M. Braunfeld n, H. Jinnai n, C. Hall n, D. Agard n & R. Spontak n

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Phase behavior of poly(methyl methacrylate)/poly(vinylidene fluoride) blends in the presence of high-pressure carbon dioxide

MACROMOLECULAR CHEMISTRY AND PHYSICS, 204(17), 2064–2077.

By: T. Walker n, Y. Melnichenko*, G. Wignall*, J. Lin* & R. Spontak n

author keywords: blends; high-pressure CO2; phase miscibility; SAXS
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Phase behavior of poly(methyl methacrylate)/poly(vinylidene fluoride) blends with and without high-pressure CO2

MACROMOLECULES, 36(12), 4245–4249.

By: T. Walker n, Y. Melnichenko n, G. Wignall n & R. Spontak n

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Physical organogels composed of amphiphilic block copolymers and 1,3 : 2,4-dibenzylidene-D-sorbitol

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 267(2), 509–518.

By: E. Wilder n, C. Hall n & R. Spontak n

MeSH headings : Carbohydrate Conformation; Gels / chemical synthesis; Gels / chemistry; Hydrogen Bonding; Polyethylene Glycols / chemistry; Polymers / chemistry; Pressure; Propylene Glycols / chemistry; Sorbitol / analogs & derivatives; Sorbitol / chemistry; Surface Properties; Temperature
TL;DR: Dynamic rheological measurements reveal that the resultant gels are thermoreversible, exhibiting a maximum in the elastic modulus (G') at temperatures near the gel dissolution and formation temperatures. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Solvent-facilitated homopolymer sorption in swollen block copolymer matrices

MACROMOLECULES, 36(9), 3206–3209.

By: J. Stevens n, W. Thongruang n, N. Patel n, S. Smith n & R. Spontak n

UN Sustainable Development Goal Categories