George W. Roberts

Preparation of Al2O3/AlF3-supported ruthenium catalysts for the hydrogenolysis of biodiesel-derived crude glycerol

Industrial & Engineering Chemistry Research, 55(19), 5536–5544.

Synthesis of cross-linked, partially neutralized poly(acrylic acid) by suspension polymerization in supercritical carbon dioxide

Industrial & Engineering Chemistry Research, 51(35), 11401–11408.

Improved kinetic model of crystallization for isotactic polypropylene induced by supercritical CO(2): Introducing pressure and temperature dependence into the Avrami equation

Industrial & Engineering Chemistry Research, 50(18), 10509–10515.

Modeling the thermodynamic and transport properties of decahydronaphthalene/propane mixtures: Phase equilibria, density, and viscosity

FLUID PHASE EQUILIBRIA, 305(1), 25–33.

Polystyrene/Decahydronaphthalene/Propane Phase Equilibria and Polymer Conformation Properties from Intrinsic Viscosities

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 49(15), 1093–1100.

Effect of Polymer Size on Heterogeneous Catalytic Polystyrene Hydrogenation

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 49(22), 11280–11286.

The effect of prepolymer crystallinity on solid-state polymerization of poly(bisphenol A carbonate)

Polymer, 51(12), 2520–2526.

Chemical reactions and chemical reactors

Hoboken, NJ: John Wiley & Sons.

Complex Effects of the Sweep Fluid on Solid-State Polymerization: Poly(bisphenol A carbonate) in Supercritical Carbon Dioxide

MACROMOLECULES, 42(7), 2472–2479.

Continuous precipitation polymerization of vinylidene fluoride in supercritical carbon dioxide: A model for understanding the molecular-weight distribution

CHEMICAL ENGINEERING SCIENCE, 65(2), 651–659.

Determination of polystyrene-carbon dioxide-decahydronaphthalene solution properties by high pressure dynamic light scattering

POLYMER, 50(24), 5728–5732.

Predicting the Effect of Dissolved Carbon Dioxide on the Glass Transition Temperature of Poly(acrylic acid)

JOURNAL OF APPLIED POLYMER SCIENCE, 115(4), 2136–2143.

Characterization of Pd/gamma-Al2O3 Catalysts Prepared Using [Pd(hfac)(2)] in Liquid CO2

TOPICS IN CATALYSIS, 49(3-4), 178–186.

Characterization of palladium (Pd) on alumina catalysts prepared using liquid carbon dioxide

JOURNAL OF PHYSICAL CHEMISTRY C, 112(28), 10446–10452.

Continuous copolymerization of vinylidene fluoride with hexafluoropropylene in Supercritical carbon dioxide: High-hexafluoropropylene-content amorphous copolymers

MACROMOLECULES, 41(9), 3086–3097.

Effect of prepolymer molecular weight on solid state polymerization of poly(bisphenol a carbonate) with nitrogen as a sweep fluid

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 46(15), 4959–4969.

Fluoropolymer synthesis in supercritical carbon dioxide

[Review of ]. JOURNAL OF SUPERCRITICAL FLUIDS, 47(3), 447–457.

Kinetics of the Homopolymerization of Vinylidene Fluoride and Its Copolymerization with Hexafluoropropylene in Supercritical Carbon Dioxide: The Locus of Polymerization

Macromolecules, 42(1), 148–155.

Continuous copolymerization of vinylidene fluoride with hexafluoropropylene in Supercritical carbon dioxide: Low hexafluoropropylene content semicrystalline copolymers

MACROMOLECULES, 40(26), 9322–9331.

Cyclodextrin - hydrophobe complexation in associative polymers

SOFT MATTER, 3(9), 1185–1193.

Direct utilization of carbon dioxide in chemical synthesis: Vinyl acetate via methane carboxylation

CATALYSIS COMMUNICATIONS, 9(5), 685–689.

Kinetic Modeling of photocatalyzed soot oxidation on titanium dioxide thin films

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 46(23), 7598–7604.

Spectroscopic analysis of poly(bisphenol A carbonate) using high resolution C-13 and H-1 NMR

POLYMER, 49(2), 394–404.

Continuous method and apparatus for separating polymer from a high pressure carbon dioxide fluid stream

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

Cross-linking polymerization of acrylic acid in supercritical carbon dioxide

POLYMER, 47(12), 4276–4281.

Kinetics of enzymatic depolymerization of guar galactomannan

BIOMACROMOLECULES, 7(9), 2583–2590.

Kinetics of the precipitation polymerization of acrylic acid in supercritical carbon dioxide: The locus of polymerization

CHEMICAL ENGINEERING SCIENCE, 61(10), 3129–3139.

Particle formation in precipitation polymerization: Continuous precipitation polymerization of acrylic acid in supercritical carbon dioxide

MACROMOLECULES, 39(19), 6489–6494.

Preferential oxidation of carbon monoxide with iron-promoted platinum catalysts supported on metal foams

APPLIED CATALYSIS A-GENERAL, 302(1), 22–31.

Supported Pd catalyst preparation using liquid carbon dioxide

CHEMISTRY OF MATERIALS, 18(20), 4710–4712.

Characterization of microcellular biodegradable polymeric foams produced from supercritical carbon dioxide solutions

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 44(6), 1795–1803.

Continuous precipitation polymerization of acrylic acid in swercritical carbon dioxide: The polymerization rate and the polymer molecular weight

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 43(12), 2546–2555.

Copolymerization of vinylidene fluoride with hexafluoropropylene in supercritical carbon dioxide

MACROMOLECULES, 39(1), 15–18.

Effect of metal foam supports on the selective oxidation of CO on Fe-promoted Pt/gamma-Al2O3

Applied Catalysis. A, General, 281(02-Jan), 18-.

Heterogeneous polymerization of fluoroolefins in supercritical carbon dioxide

POLYMER PARTICLES, Vol. 175, pp. 329–346.

Hydrogenation of polystyrene in CO2-expanded solvents: Catalyst poisoning

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 44(16), 6164–6170.

Metal foam supported Pt catalysts for the selective oxidation of CO in hydrogen

Applied Catalysis. A, General, 281(02-Jan), 09-.

Solid-state polymerization of poly(bisphenol A carbonate) facilitated by supercritical carbon dioxide

ADVANCES IN POLYCARBONATES, Vol. 898, pp. 86–94.

Viscosity of polystyrene solutions expanded with carbon dioxide

JOURNAL OF APPLIED POLYMER SCIENCE, 99(2), 540–549.

Continuous method and apparatus for separating polymer from a high pressure carbon dioxide fluid stream

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

Continuous precipitation polymerization of vinylidene fluoride in supercritical carbon dioxide: modeling the molecular weight distribution

Chemical Engineering Science, 59(22-23), 5139–5144.

Multimodal fluoropolymers and methods of making the same

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

Direct catalytic formation of acetic acid from CO2 and methane

Wilcox, E. M., Roberts, G. W., & Spivey, J. J. (2003, December 1). CATALYSIS TODAY, Vol. 88, pp. 83–90.

Effect of supercritical carbon dioxide on the diffusion coefficient of phenol in poly(bisphenol A carbonate)

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 41(11), 1143–1156.

Kinetic and transport processes in the heterogeneous catalytic hydrogenation of polystyrene

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 42(15), 3509–3515.

Preferential oxidation of carbon monoxide with Pt/Fe monolithic catalysts: interactions between external transport and the reverse water-gas-shift reaction

APPLIED CATALYSIS B-ENVIRONMENTAL, 46(3), 601–611.

Synthesis of higher alcohols in a slurry reactor with cesium-promoted zinc chromite catalyst in decahydronaphthalene

APPLIED CATALYSIS A-GENERAL, 247(1), 133–142.

A commentary on "Carbon dioxide-poly(vinylidene fluoride) interactions at high pressure"

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 40(6), 602–604.

Continuous precipitation polymerization of vinylidene fluoride in supercritical carbon dioxide: Formation of polymers with bimodal molecular weight distributions

MACROMOLECULES, 35(21), 7976–7985.

Continuous precipitation polymerization of vinylidene fluoride in supercritical carbon dioxide: Molecular weight distribution

Saraf, M. K., Wojcinski, L. M., Kennedy, K. A., Gerard, S., Charpentier, P. A., DeSimone, J., & Roberts, G. W. (2002, June). MACROMOLECULAR SYMPOSIA, Vol. 182, pp. 119–129.

Liquid/catalyst interactions in slurry reactors: changes in tetrahydroquinoline composition during methanol synthesis over zinc chromite

APPLIED CATALYSIS A-GENERAL, 231(1-2), 269–280.

Thermodynamics of light alkane carboxylation

Deactivation of hydrodechlorination catalysts I. Experiments with 1.1.1-trichloroethane

APPLIED CATALYSIS A-GENERAL, 205(1-2), 263–278.

Deactivation of hydrodechlorination catalysts II - Experiments with 1,1-dichloroethylene and 1,1-dichloroethane

APPLIED CATALYSIS A-GENERAL, 209(1-2), 401–413.

Determination of the equilibrium constant for the reaction between bisphenol A and diphenyl carbonate

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 40(1), 171–178.

Mathematical model of the deactivation of Pt/alumina catalyst during the hydrodechlorination of 1,1,1-trichloroethane

Catalyst Deactivation 2001: Proceedings of the 9th International Symposium, Lexington, KY, USA, 7-10 October 2001 (Studies in Surface Science and Catalysis; 139), 139, 439–446.

Methods and apparatus for separating Fischer-Tropsch catalysts from liquid hydrocarbon product

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

Reaction Kinetics of the Solid-State Polymerization of Poly(bisphenol A carbonate) Facilitated by Supercritical Carbon Dioxide

Macromolecules, 34(22), 7744–7750.

Reaction kinetics of the solid state polymerization of poly(bisphenol A carbonate)

MACROMOLECULES, 34(7), 2060–2064.

Synthesis of high molecular weight polycarbonate by solid-state polymerization

MACROMOLECULES, 34(12), 3916–3920.

An equilibrium model for diffusion-limited solid-state polycondensation

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 39(8), 2797–2806.

Broadening of molecular-weight distribution in solid-state polymerization resulting from condensate diffusion

JOURNAL OF APPLIED POLYMER SCIENCE, 79(5), 928–943.

Continuous precipitation polymerization of vinylidene fluoride in supercritical carbon dioxide: Modeling the rate of polymerization

Charpentier, P. A., DeSimone, J. M., & Roberts, G. W. (2000, December). INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, Vol. 39, pp. 4588–4596.

Gas-lift reactors for rapid reactions with appreciable gas consumption

Chemical Engineering & Technology, 23(1), 80–87.

Methanol dehydrogenation in a slurry reactor: evaluation of copper chromite and iron/titanium catalysts

APPLIED CATALYSIS B-ENVIRONMENTAL, 26(2), 119–129.

Methods and apparatus for separating Fischer-Tropsch catalysts from liquid hydrocarbon product

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

Continuous Polymerizations in Supercritical Carbon Dioxide:  Chain-Growth Precipitation Polymerizations

Macromolecules, 32(18), 5973–5975.

Coupling of hydrodynamics and chemical reaction in gas-lift reactors

AIChE Journal, 45(2), 410–423.

Crystallization and solid-state polymerization of poly(bisphenol A carbonate) facilitated by supercritical CO2

MACROMOLECULES, 33(1), 40–45.

Effect of drag and frictional losses on the hydrodynamics of gas-lift reactors

AICHE JOURNAL, 45(11), 2467–2471.

Hydrodynamics of gas-lift reactors with a fast, liquid-phase reaction

Marquez, M. A., Amend, R. J., Carbonell, R. G., Saez, A. E., & Roberts, G. W. (1999, July). CHEMICAL ENGINEERING SCIENCE, Vol. 54, pp. 2263–2271.

Liquid catalyst interactions in slurry reactors: methanol synthesis over zinc chromite

APPLIED CATALYSIS A-GENERAL, 183(2), 395–410.

Methanol dehydrogenation with Raney copper in a slurry reactor

Applied Catalysis. B, Environmental, 23(1), 9–24.

Separation of Fischer-Tropsch wax from catalyst using near-critical fluid extraction: Analysis of process feasibility

ENERGY & FUELS, 13(3), 667–677.

Solid-State Polymerization of Polycarbonates Using Supercritical CO2

Macromolecules, 32(9), 3167–3169.

Catalytic destruction of methyl tertiary butyl ether (MTBE) with a Pt/Rh monolithic automotive exhaust catalyst

APPLIED CATALYSIS B-ENVIRONMENTAL, 15(1-2), 93–105.

Hydrodynamic model for gas-lift reactors

AICHE JOURNAL, 44(6), 1413–1423.

Alcohol synthesis in a high-temperature slurry reactor

CATALYSIS TODAY, 36(3), 255–263.

High-temperature slurry reactors for synthesis gas reactions .1. Liquid thermal stability

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 36(10), 4143–4154.

Apparatus for continuous production of polymers in carbon dioxide

Charpentier, P. A., DeSimone, J. M., & Roberts, G. W.

CO2-assisted deploymerization, purification and recycling of step-growth polymers

Khan, S. A., Roberts, G. W., & Royer, J. R. Washington, DC: U.S. Patent and Trademark Office.

Continuous polymerizations in supercritical carbon dioxide

Charpentier, P. A., Desimone, J. M., & Roberts, G. W. Clean Solvents: Alternative Media for Chemical Reactions and Processing, 819, 113–135.

Continuous process for making polymers in carbon dioxide

Charpentier, P. A., DeSimone, J. M., & Roberts, G. W. Washington, DC: U.S. Patent and Trademark Office.

Hydrogenation of polymers in the presence of supercritical carbon dioxide

Roberts, G. W., Xu, D., Kiserow, D. J., & Carbonell, R. G. Washington, DC: U.S. Patent and Trademark Office.

Manipulation of hydrophobic interactions in associative polymers using cyclodextrin and enzyme

Mahammad, S., Abdala, A., Roberts, G. W., & Khan, S. A. Soft Matter, 6(17), 4237–4245.

Methods of CO2-assisted reactive extrusion

Royer, J., DeSimone, J. M., Roberts, G. W., & Khan, S. A. Washington, DC: U.S. Patent and Trademark Office.

Phase equilibrium for the hydrogenation of polystyrene in CO2-swollen solvents

Xu, D. W., Carbonell, R. G., Roberts, G. W., & Kiserow, D. J. Journal of Supercritical Fluids, 34(1), 09-.