Roger D. Hester

Professor of Polymer Science
School of Polymers and High Performance Materials
Polymer Science Building,Room 312
118 College Drive #10076
Hattiesburg,MS 39406-0001
Phone:(601)-266-4875
Fax:(601)-266-5504
Email: R.D.Hester@usm.edu

Background

B.S., Chemical Engineering, Auburn University , 1965. M.S., Chemical Engineering, Georgia Institute of Technology, 1968. Registered as a Professional Engineer, 1971. Ph.D., Chemical Engineering, Georgia Institute of Technology, 1974. Professor of Polymer Science, The University of Southern Mississippi, 1984-present. Member of Society of Plastics Engineers, Southern Society for Coatings Technology, American Institute of Chemical Engineers, Tau Beta Pi, and Sigma Xi.

Research Areas

Water-soluble macromolecular characterization, rheology of polymer solutions, and computer modeling of polymer processes.

Representative Publications, Patents

Publications:

T.S. Rushing, R.D. Hester,"Semi-empirical model for polyelectrolyte intrinsic viscosity as a function of solution ionic strength and polymer molecular weight", Polymer, 45[19], 6587-6594 [2004]

M.J. Fevola, J.K Bridges, M.G. Kellum, R.D. Hester, C.L. McCormick,"pH-responsive polyzwitterions: A comparative study of acrylamide-based polyampholyte terpolymers and polybetaine copolymers", Journal of Applied Polymer Science, 94[1], 24-39 [2004]

M.J. Fevola, J.K. Bridges, M.G. Kellum, R.D. Hester, C.L. McCormick,"pH-responsive ampholytic terpolymers of acrylamide, sodium 3-acrylamido-3-methylbutanoate, and (3-acrylamidopropyl)trimethylammonium chloride. I. Synthesis and characterization", Journal of Polymer Science Part A-Polymer Chemistry, 42[13], 3236-3251 [2004]

M.J. Fevola, M.G. Kellum, R.D. Hester, C.L. McCormick,"pH-responsive ampholytic terpolymers of acrylamide, sodium 3-acrylamido-3-methylbutanoate, and (3-acrylamidopropyl)trimethylammonium chloride. II. Solution properties", Journal of Polymer Science Part A-Polymer Chemistry, 42[13], 3252-3270 [2004]

D.B. Thomas, A.J. Convertine, R.D. Hester, A.B. Lowe, C.L. McCormick,"Hydrolytic susceptibility of dithioester chain transfer agents and implications in aqueous RAFT polymerizations", Macromolecules, 37[5], 1735-1741 [2004]

M.J. Fevola, C.L. McCormick, R.D. Hester,"Sodium formate as a chain transfer agent in acrylamide polymerization: Determination of chain transfer constant", Abstracts of Papers of the American Chemical Society, 225, U572-U572 276-POLY Part 2, [2003]

T.S. Rushing, R.D. Hester,"Intrinsic viscosity dependence on polymer molecular weight and fluid temperature", Journal of Applied Polymer Science, 89[10], 2831-2835 [2003]

M.J. Fevola, R.D. Hester, C.L. McCormick,"Molecular weight control of polyacrylamide with sodium formate as a chain-transfer agent: Characterization via size exclusion chromatography/multi-angle laser light scattering and determination of chain-transfer constant", Journal of Polymer Science Part A-Polymer Chemistry, 41[4], 560-568 [2003]

T.S. Rushing, R.D. Hester,"Low-shear-rate capillary viscometer for polymer solution intrinsic viscosity determination at varying temperatures", Review of Scientific Instruments, 74[1], 176-181 Part 1, [2003]

M.E. Cowan, R.D. Hester, C.L. McCormick,"Water-soluble polymers. LXXXII. Shear degradation effects on drag reduction behavior of dilute polymer solutions", Journal of Applied Polymer Science, 82[5], 1211-1221 [2001]

M.E. Cowan, C. Garner, R.D. Hester, C.L. McCormick,"Water-soluble polymers. LXXXIII. Correlation of drag experimentally determined drag reduction efficiency and extensional viscosity of high molecular weight polymers in dilute aqueous solution", Journal of Applied Polymer Science, 82[5], 1222-1231 [2001]

R.M. Springfield, R.D. Hester,"Development and modeling of a continuous simulated moving bed ion exclusion process for the separation of acid and sugar", Separation Science and Technology, 36[5-6], 911-930 [2001]

M.E. Cowan, C.L. McCormick, R.D. Hester,"Smart-responsive water-soluble polymers utilized in drag reduction", Abstracts of Papers of the American Chemical Society 218, U493-U493 334-POLY Part 2, [1999]