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

Cain, N., Roberts, G., Kiserow, D., & Carbonell, R. (2011, March 8). Fluid Phase Equilibria.

Polystyrene/decahydronaphthalene/propane phase equilibria and polymer conformation properties from intrinsic viscosities

Cain, N., Haywood, A., Roberts, G., Kiserow, D., & Carbonell, R. (2011, May 26). Journal of Polymer Science Part B Polymer Physics.

Effect of Polymer Size on Heterogeneous Catalytic Polystyrene Hydrogenation

Dong, L. B., Turgman-Cohen, S., Roberts, G. W., & Kiserow, D. J. (2010, October 18). Industrial & Engineering Chemistry Research.

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

Kim, J., Dong, L. B., Kiserow, D. J., & Roberts, G. W. (2009, March 6). Macromolecules.

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

Ahmed, T. S., DeSimone, J. M., & Roberts, G. W. (2009, September 11). Chemical Engineering Science.

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

Dong, L. B., Carbonell, R. G., Roberts, G. W., & Kiserow, D. J. (2009, October 10). Polymer.

Predicting the effect of dissolved carbon dioxide on the glass transition temperature of poly(acrylic acid)

Cao, G. P., Liu, T., & Roberts, G. W. (2009, October 7). Journal of Applied Polymer Science.

Characterization of Palladium (Pd) on Alumina Catalysts Prepared Using Liquid Carbon Dioxide

Kim, J., Kelly, M. J., Lamb, H. H., Roberts, G. W., & Kiserow, D. J. (2008, June 21). The Journal of Physical Chemistry C.

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

Kelly, M. J., Kim, J., Roberts, G. W., & Lamb, H. H. (2008, May 23). Topics in Catalysis.

Continuous Copolymerization of Vinylidene Fluoride with Hexafluoropropylene in Supercritical Carbon Dioxide: High-Hexafluoropropylene-Content Amorphous Copolymers

Ahmed, T. S., DeSimone, J. M., & Roberts, G. W. (2008, April 15). Macromolecules.

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

Kim, J., Roberts, G. W., & Kiserow, D. J. (2008, June 17). Journal of Polymer Science Part A Polymer Chemistry.

Fluoropolymer synthesis in supercritical carbon dioxide

Du, L., Kelly, J. Y., Roberts, G. W., & DeSimone, J. M. (2008, November 28). The Journal of Supercritical Fluids.

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

Ahmed, T. S., DeSimone, J. M., & Roberts, G. W. (2007, November 30). Macromolecules.

Cyclodextrin–hydrophobe complexation in associative polymers

Mahammad, S., Roberts, G. W., & Khan, S. A. (2007, January 1). Soft Matter, Vol. 3, pp. 1185–1193.

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

Spivey, J. J., Wilcox, E. M., & Roberts, G. W. (2007, October 11). Catalysis Communications.

Kinetic Modeling of Photocatalyzed Soot Oxidation on Titanium Dioxide Thin Films

Chin, P., Roberts, G. W., & Ollis, D. F. (2007, July 18). Industrial & Engineering Chemistry Research.

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

Kim, J., Gracz, H. S., Roberts, G. W., & Kiserow, D. J. (2007, December 5). Polymer.

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

Liu, T., DeSimone, J. M., & Roberts, G. W. (2006, May 1). Polymer.

Kinetics of Enzymatic Depolymerization of Guar Galactomannan

Mahammad, S., Prud'homme, R. K., Roberts, G. W., & Khan, S. A. (2006, August 4). Biomacromolecules, Vol. 7, pp. 2583–2590.

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

Liu, T., DeSimone, J. M., & Roberts, G. W. (2006, January 27). Chemical Engineering Science.

Particle Formation in Precipitation Polymerization:  Continuous Precipitation Polymerization of Acrylic Acid in Supercritical Carbon Dioxide

Liu, T., Garner, P., DeSimone, J. M., Roberts, G. W., & Bothun, G. D. (2006, August 23). Macromolecules.

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

Chin, P., Sun, X., Roberts, G. W., & Spivey, J. J. (2006, January 27). Applied Catalysis A General.

Supported Pd Catalyst Preparation Using Liquid Carbon Dioxide

Kim, J., Roberts, G. W., & Kiserow, D. J. (2006, September 2). Chemistry of Materials.

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.

Characterization of Microcellular Biodegradable Polymeric Foams Produced from Supercritical Carbon Dioxide Solutions

Cotugno, S., Maio, E. D., Mensitieri, G., Iannace, S., Roberts, G. W., Carbonell, R. G., & Hopfenberg, H. B. (2005, February 19). Industrial & Engineering Chemistry Research.

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

Liu, T., DeSimone, J. M., & Roberts, G. W. (2005, May 6). Journal of Polymer Science Part A Polymer Chemistry.

Copolymerization of Vinylidene Fluoride with Hexafluoropropylene in Supercritical Carbon Dioxide

Ahmed, T. S., DeSimone, J. M., & Roberts, G. W. (2005, December 8). Macromolecules.

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

Kennedy, K. A., Roberts, G. W., & DeSimone, J. M. (2005, February 3). Advances in Polymer Science.

Hydrogenation of Polystyrene in CO₂-Expanded Solvents:  Catalyst Poisoning

Xu, D., Carbonell, R. G., Kiserow, D. J., & Roberts, G. W. (2005, February 22). Industrial & Engineering Chemistry Research.

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

Kiserow, D. J., Shi, C., Roberts, G. W., Gross, S. M., & DeSimone, J. M. (2005, March 8). ACS Symposium Series.

Viscosity of polystyrene solutions expanded with carbon dioxide

Whittier, R. E., Xu, D., Zanten, J. H., Kiserow, D. J., & Roberts, G. W. (2005, October 28). Journal of Applied Polymer Science, Vol. 99, pp. 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, October 22). Catalysis Today.

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

Shi, C., Roberts, G. W., & Kiserow, D. J. (2003, April 15). Journal of Polymer Science Part B Polymer Physics.

Kinetic and Transport Processes in the Heterogeneous Catalytic Hydrogenation of Polystyrene

Xu, D., Carbonell, R. G., Kiserow, D. J., & Roberts, G. W. (2003, June 27). Industrial & Engineering Chemistry Research.

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.

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

Roberts, G. W., Chin, P., Sun, X., & Spivey, J. J. (2003, October 28). Applied Catalysis B: Environmental.

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

Sun, X., & Roberts, G. W. (2003, April 23). Applied Catalysis A General.

A commentary on “Carbon Dioxide–Poly(vinylidene Fluoride) Interactions at High Pressure”

Kennedy, K. A., Desimone, J. M., & Roberts, G. W. (2002, February 1). A commentary on “Carbon Dioxide–Poly(vinylidene Fluoride) Interactions at High Pressure.” Journal of Polymer Science Part B Polymer Physics.

Continuous Precipitation Polymerization of Vinylidene Fluoride in Supercritical Carbon Dioxide:  Formation of Polymers with Bimodal Molecular Weight Distributions

Saraf, M. K., Gerard, S., Wojcinski, L. M., Charpentier, P. A., DeSimone, J. M., & Roberts, G. W. (2002, August 31). Macromolecules.

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

Saraf, M. K., Wojcinski, L. M., II, Kennedy, K. A., Gerard, S., Charpentier, P. A., DeSimone, J. M., & Roberts, G. W. (2002, June 1). Macromolecular Symposia.

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

Sun, X., Jones, N. W., Gesick, J. C., Xu, L., & Roberts, G. W. (2002, May 1). Applied Catalysis A General.

Thermodynamics of light alkane carboxylation

Deactivation of hydrodechlorination catalysts

Frankel, K. A., Jang, B. W.-L., Spivey, J. J., & Roberts, G. W. (2001, January 1). Applied Catalysis A General.

Deactivation of hydrodechlorination catalysts

Frankel, K. A., Jang, B. W.-L., Roberts, G. W., & Spivey, J. J. (2001, February 1). Applied Catalysis A General.

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

Gross, S. M., Bunyard, W. C., Erford, K., Roberts, G. W., Kiserow, D. J., & DeSimone, J. M. (2001, November 20). Journal of Polymer Science Part A Polymer Chemistry.

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)

Shi, C., Gross, S. M., DeSimone, J. M., Kiserow, D. J., & Roberts, G. W. (2001, February 28). Macromolecules.

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

Macromolecules, 34(22), 7744–7750.

Synthesis of High Molecular Weight Polycarbonate by Solid-State Polymerization

Gross, S. M., Roberts, G. W., Kiserow, D. J., & DeSimone, J. M. (2001, May 5). Macromolecules.

An Equilibrium Model for Diffusion-Limited Solid-State Polycondensation

Goodner, M. D., DeSimone, J. M., Kiserow, D. J., & Roberts, G. W. (2000, June 24). Industrial & Engineering Chemistry Research.

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

Goodner, M. D., Gross, S. M., Desimone, J. M., Roberts, G. W., & Kiserow, D. J. (2000, January 1). Journal of Applied Polymer Science.

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, October 21). Industrial & Engineering Chemistry Research.

Gas-Lift Reactors for Rapid Reactions with Appreciable Gas Consumption

Roberts, G. W., Carbonell, R. G., & Sáez, A. E. (2000, January 1). Chemical Engineering & Technology.

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

Shreiber, E. H., & Roberts, G. W. (2000, April 1). Applied Catalysis B: Environmental.

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

Márquez, M. A., Sáez, A. E., Carbonell, R. G., & Roberts, G. W. (1999, February 1). AIChE Journal.

Crystallization and Solid-State Polymerization of Poly(bisphenol A carbonate) Facilitated by Supercritical CO₂

Gross, S. M., Roberts, G. W., Kiserow, D. J., & DeSimone, J. M. (1999, December 16). Macromolecules.

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

See, K. H., Roberts, G. W., & Sáez, A. E. (1999, November 1). AIChE Journal.

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

Márquez, M. A., Amend, R. J., Carbonell, R. G., Sáez, A. E., & Roberts, G. W. (1999, July 1). Chemical Engineering Science.

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

Roberts, G. W., Márquez, M. A., & Haney, C. A. (1999, July 1). Applied Catalysis A General.

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

Biales, J. M., Wan, Y. D., Kilpatrick, P. K., & Roberts, G. W. (1999, April 17). Energy & Fuels.

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

Fields, D. L., Lim, P. K., & Roberts, G. W. (1998, January 1). Applied Catalysis B: Environmental.

Hydrodynamic model for gas‐lift reactors

Sáez, A. E., Márquez, M. A., Roberts, G. W., & Carbonell, R. G. (1998, June 1). AIChE Journal.

Alcohol synthesis in a high-temperature slurry reactor

Roberts, G. W., Márquez, M. A., & McCutchen, M. S. (1997, June 1). Catalysis Today.

High-Temperature Slurry Reactors for Synthesis Gas Reactions. 1. Liquid Thermal Stability

Roberts, G. W., Márquez, M. A., McCutchen, M. S., Haney, C. A., & Shin, I. D. (1997, October 1). Industrial & Engineering Chemistry Research.

Apparatus for continuous production of polymers in carbon dioxide

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

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.

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-.