USM School of Polymers and High Performance Materials

Charles E. Hoyle

Professor of Polymer Science and Engineering
School of Polymers and High Performance Materials
Polymer Science Building,Room 209
118 College Drive #10076
Hattiesburg,MS 39406-0001
Phone:(601)-266-4873
Fax:(601)-266-5504
Email: Charles.Hoyle@usm.edu
Research Group Web Page

Background

B.A. Chemistry, December, 1971; Northwestern University, Evanston, IL; M.S. Chemistry, August, 1973; Ph.D. Physical Chemistry, May, 1976; SSCT Distinguished Professorship in Polymer Science, 1997-2000.

Research Areas

Photophysical properties of polymer systems; Laser flash photolysis of polymers; Photopolymerization of thin-films based on monofunctional and multifunctional self-initiating monomers; Photochemistry and Photopolymerization of Liquid Crystalline Polymers and Monomers; Thiol-ene photopolymerizations; Kinetics and Mechanisms of Free-radical Polymerization; Mechanisms of Polymer Photodegradation; Photochemistry and Photophysics of Small Molecules in Polymer Matrices; Fluorescence of Polymer Solutions and Films.

Recent Publications

1. Zhou, H.; Li, Q.; Shin, J.; Hoyle, C. E., Effects of Monomer Functionality and Hydrogen Bonding on the Polymerization Kinetics and Properties of Thiol-Ene Networks. Macromolecules (Washington, DC, United States) 2009, 42, (8), 2994-2999.

2. Yu, B.; Chan, J. W.; Hoyle, C. E.; Lowe, A. B., Sequential thiol-ene/thiol-ene and thiol-ene/thiol-yne reactions as a route to well-defined mono and bis end-functionalized poly(N-isopropylacrylamide). Journal of Polymer Science, Part A: Polymer Chemistry 2009, 47, (14), 3544-3557.

3. Shin, J.; Nazarenko, S.; Hoyle, C. E., Effects of Chemical Modification of Thiol-Ene Networks on Enthalpy Relaxation. Macromolecules (Washington, DC, United States) 2009, 42, (17), 6549-6557.

4. Li, Q.; Zhou, H.; Wicks, D. A.; Hoyle, C. E.; Magers, D. H.; McAlexander, H. R., Comparison of Small Molecule and Polymeric Urethanes, Thiourethanes, and Dithiourethanes: Hydrogen Bonding and Thermal, Physical, and Mechanical Properties. Macromolecules (Washington, DC, United States) 2009, 42, (6), 1824-1833.

5. Li, Q.; Zhou, H.; Hoyle, C. E., The effect of thiol and ene structures on thiol-ene networks: Photopolymerization, physical, mechanical and optical properties. Polymer 2009, 50, (10), 2237-2245.

6. Li, H.; Yu, B.; Matsushima, H.; Hoyle, C. E.; Lowe, A. B., The Thiol-Isocyanate Click Reaction: Facile and Quantitative Access to Ï‰-End-Functional Poly(N,N-diethylacrylamide) Synthesized by RAFT Radical Polymerization. Macromolecules (Washington, DC, United States) 2009, 42, (17), 6537-6542.

7. Kwisnek, L.; Nazarenko, S.; Hoyle, C. E., Oxygen Transport Properties of Thiol-Ene Networks. Macromolecules (Washington, DC, United States) 2009, 42, (18), 7031-7041.

8. Gould, T. E.; Piland, S. G.; Shin, J.; Hoyle, C. E.; Nazarenko, S., Characterization of mouthguard materials: Physical and mechanical properties of commercialized products. Dental Materials 2009, 25, (6), 771-780.

9. Chan, J. W.; Zhou, H.; Hoyle, C. E.; Lowe, A. B., Photopolymerization of Thiol-Alkynes: Polysulfide Networks. Chemistry of Materials 2009, 21, (8), 1579-1585.

10. Chan, J. W.; Yu, B.; Hoyle, C. E.; Lowe, A. B., The nucleophilic, phosphine-catalyzed thiol-ene click reaction and convergent star synthesis with RAFT-prepared homopolymers. Polymer 2009, 50, (14), 3158-3168.

11. Chan, J. W.; Wei, H.; Zhou, H.; Hoyle, C. E., The effects of primary amine catalyzed thio-acrylate Michael reaction on the kinetics, mechanical and physical properties of thio-acrylate networks. European Polymer Journal 2009, 45, (9), 2717-2725.

12. Chan, J. W.; Hoyle, C. E.; Lowe, A. B., Sequential Phosphine-Catalyzed, Nucleophilic Thiol-Ene/Radical-Mediated Thiol-Yne Reactions and the Facile Orthogonal Synthesis of Polyfunctional Materials. Journal of the American Chemical Society 2009, 131, (16), 5751-5753.

13. Zhou, H.; Jimenez, Z.; Pojman, J. A.; Paley, M. S.; Hoyle, C. E., Photopolymerization kinetics of tributylmethylammonium-based (meth)acrylate ionic liquids and the effect of water. Journal of Polymer Science, Part A: Polymer Chemistry 2008, 46, (11), 3766-3773.

14. Somlai, A. P.; Cozad, R. A.; Page, K. A.; Williams, H. R.; Creed, D.; Hoyle, C. E., The photochemistry of some main chain liquid crystalline 4,4'-stilbene dicarboxylate polyesters. Photochemical & Photobiological Sciences 2008, 7, (5), 578-587.

15. Shin, J.; Nazarenko, S.; Hoyle, C. E., Enthalpy Relaxation of Photopolymerized Thiol-Ene Networks: Structural Effects. Macromolecules (Washington, DC, United States) 2008, 41, (18), 6741-6746.

16. Phillips, J. P.; Mackey, N. M.; Confait, B. S.; Heaps, D. T.; Deng, X.; Todd, M. L.; Stevenson, S.; Zhou, H.; Hoyle, C. E., Dispersion of Gold Nanoparticles in UV-Cured, Thiol-Ene Films by Precomplexation of Gold-Thiol. Chemistry of Materials 2008, 20, (16), 5240-5245.

17. Phillips, J. P.; Deng, X.; Todd, M. L.; Heaps, D. T.; Stevenson, S.; Zhou, H.; Hoyle, C. E., Singlet oxygen generation and adhesive loss in stimuli-responsive, fullerene-polymer blends, containing polystyrene-block-polybutadiene-block-polystyrene and polystyrene-block-polyisoprene-block-polystyrene rubber-based adhesives. Journal of Applied Polymer Science 2008, 109, (5), 2895-2904.

18. Clark, T. S.; Hoyle, C. E.; Nazarenko, S., Kinetics analysis and physical properties of photocured silicate-based thiol-ene nanocomposites: The effects of vinyl POSS ene on the polymerization kinetics and physical properties of thiol-triallyl ether networks. Journal of Coatings Technology and Research 2008, 5, (3), 345-351.

19. Clark, T.; Kwisnek, L.; Hoyle, C. E.; Nazarenko, S., Photopolymerization of thiol-ene systems based on oligomeric thiols. Journal of Polymer Science, Part A: Polymer Chemistry 2008, 47, (1), 14-24.

20. Chan, J. W.; Yu, B.; Hoyle, C. E.; Lowe, A. B., Convergent synthesis of 3-arm star polymers from RAFT-prepared poly(N,N-diethylacrylamide) via a thiol-ene click reaction. Chemical Communications (Cambridge, United Kingdom) 2008, (40), 4959-4961.

21. Wei, H.; Senyurt, A. F.; Jonsson, S.; Hoyle, C. E., Photopolymerization of ternary thiol-ene/acrylate systems: film and network properties. Journal of Polymer Science, Part A: Polymer Chemistry 2007, 45, (5), 822-829.

22. Wei, H.; Li, Q.; Ojelade, M.; Madbouly, S.; Otaigbe, J. U.; Hoyle, C. E., Thiol-Ene Free-Radical and Vinyl Ether Cationic Hybrid Photopolymerization. Macromolecules (Washington, DC, United States) 2007, 40, (24), 8788-8793.

23. Wei, H.; Lee, T. Y.; Miao, W.; Fortenberry, R.; Magers, D. H.; Hait, S.; Guymon, A. C.; Joensson, S. E.; Hoyle, C. E., Characterization and Photopolymerization of Divinyl Fumarate. Macromolecules (Washington, DC, United States) 2007, 40, (17), 6172-6180.

24. Senyurt, A. F.; Wei, H.; Hoyle, C. E.; Piland, S. G.; Gould, T. E., Ternary Thiol-Ene/Acrylate Photopolymers: Effect of Acrylate Structure on Mechanical Properties. Macromolecules (Washington, DC, United States) 2007, 40, (14), 4901-4909.

25. Senyurt, A. F.; Hoyle, C. E.; Wei, H.; Piland, S. G.; Gould, T. E., Thermal and Mechanical Properties of Cross-Linked Photopolymers Based on Multifunctional Thiol-Urethane Ene Monomers. Macromolecules (Washington, DC, United States) 2007, 40, (9), 3174-3182.

26. Marszalek, J. E.; Pojman, J. A.; Aultman, K. L.; Hoyle, C. E.; Whitehead, J. B., Humidity-responsive polymeric films based on AOT-water reverse microemulsions. Journal of Applied Polymer Science 2007, 106, (3), 1957-1963.

27. Li, Q.; Zhou, H.; Wicks, D. A.; Hoyle, C. E., Thiourethane-based thiol-ene high Tg networks: preparation, thermal, mechanical, and physical properties. Journal of Polymer Science, Part A: Polymer Chemistry 2007, 45, (22), 5103-5111.

28. Jimenez, Z.; Bounds, C.; Hoyle, C. E.; Lowe, A. B.; Zhou, H.; Pojman, J. A., Photopolymerization kinetics of ionic liquid monomers derived from the neutralization reaction between trialkylamines and acid-containing (meth)acrylates. Journal of Polymer Science, Part A: Polymer Chemistry 2007, 45, (14), 3009-3021.

29. Gould, T. E.; Piland, S. G.; Hoyle, C. E.; Nazarenko, S., Mouth protection in sports. Materials in Sports Equipment 2007, 127-156.

30. Zhou, H.; Li, Q.; Lee, T. Y.; Guymon, C. A.; Joensson, E. S.; Hoyle, C. E., Photopolymerization of Acid Containing Monomers: Real-Time Monitoring of Polymerization Rates. Macromolecules 2006, 39, (24), 8269-8273.

31. Senyurt, A. F.; Wei, H.; Phillips, B.; Cole, M.; Nazarenko, S.; Hoyle, C. E.; Piland, S. G.; Gould, T. E., Physical and mechanical properties of photo polymerized thiol-ene/acrylates. Macromolecules 2006, 39, (19), 6315-6317.

32. Senyurt, A. F.; Warren, G.; Whitehead, J. B.; Hoyle, C. E., Matrix physical structure effect on the electro-optic characteristics of thiol-ene based H-PDLC films. Polymer 2006, 47, (8), 2741-2749.

33. Senyurt, A. F.; Hoyle, C. E., Three component ketocoumarin, amine, maleimide photoinitiator II. European Polymer Journal 2006, 42, (11), 3133-3139.

34. Roper, T. M.; Hoyle, C. E.; Magers, D. H., Reaction enthalpies of monomers involved in photopolymerization. Photochemistry and UV Curing 2006, 253-264.

35. Roper, T. M.; Guymon, C. A.; Hoyle, C. E., Photopolymerization kinetics of pigmented systems using a thin-film calorimeter. ACS Symposium Series 2006, 941, (Film Formation), 29-40.

36. Lee, T. Y.; Roper, T. M.; Guymon, C. A.; Jonsson, E. S.; Hoyle, C. E., Copolymerization mechanism of photoinitiator free thiol-vinyl acrylate systems. ACS Symposium Series 2006, 941, (Film Formation), 17-28.

37. Jonsson, E. S.; Hoyle, C. E., Monomeric photoinitiators. Photochemistry and UV Curing 2006, 165-174.

38. Hoyle, C. E.; Gould, T.; Piland, S.; Wei, H.; Phillips, B.; Nazarenko, S.; Senyurt, A. F.; Cole, M., Photocurable materials for mouthguards. RadTech Report 2006, 20, (6), 12-17.

39. Wang, J.; Nayak, B. R.; Creed, D.; Hoyle, C. E.; Mathias, L. J., Photocrosslinking of poly(ethylene terephthalate) copolymers containing photoreactive comonomers. Polymer 2005, 46, (18), 6897-6909.

40. Roper, T. M.; Lee, T. Y.; Guymon, C. A.; Hoyle, C. E., In Situ Characterization of Photopolymerizable Systems Using a Thin-Film Calorimeter. Macromolecules 2005, 38, (24), 10109-10116.

41. Roper, T. M.; Guymon, C. A.; Hoyle, C. E., Design and performance of a thin-film calorimeter for quantitative characterization of photopolymerizable systems. Review of Scientific Instruments 2005, 76, (5), 054102/1-054102/8.

42. Lee, T. Y.; Guymon, C. A.; Jonsson, E. S.; Hait, S.; Hoyle, C. E., Synthesis, Initiation, and Polymerization of Photoinitiating Monomers. Macromolecules 2005, 38, (18), 7529-7531.

43. Hoyle, C. E.; Lee, T. Y.; Wei, H.; Guymon, C. A.; Jonsson, E. S., Photopolymerization of systems with novel vinyl ester monomers. RadTech Europe 05: UV/EB--Join the Winning Technology, [Conference Proceedings], Barcelona, Spain, Oct. 18-20, 2005 2005, 2, 17-21.

44. Hoyle, C. E., Polymers and Light. Advances in Polymer Science, 168, edited by Thomas K. Lippert. 2005; Vol. 127, p 2794.

45. Hladik, M.; Senyurt, A. F.; Hoyle, C. E.; Whitehead, J. B.; Werneth, C. M.; Warren, G. T., Maleimide-vinyl ether-based polymer dispersed liquid crystals. ACS Symposium Series 2005, 912, (Stimuli-Responsive Polymeric Films and Coatings), 195-213.

46. Roper, T. M.; Kwee, T.; Lee, T. Y.; Guymon, C. A.; Hoyle, C. E., Photopolymerization of pigmented thiolene systems. Polymer 2004, 45, (9), 2921-2929.

47. Roper, T. M.; Guymon, C. A.; Joensson, E. S.; Hoyle, C. E., Influence of the alkene structure on the mechanism and kinetics of thiol-alkene photopolymerizations with real-time infrared spectroscopy. Journal of Polymer Science, Part A: Polymer Chemistry 2004, 42, (24), 6283-6298.

48. Pan, B.; Viswanathan, K.; Hoyle, C. E.; Moore, R. B., Photoinitiated grafting of maleic anhydride onto polypropylene. Journal of Polymer Science, Part A: Polymer Chemistry 2004, 42, (8), 1953-1962.

49. Lee, T. Y.; Roper, T. M.; Jonsson, E. S.; Guymon, C. A.; Hoyle, C. E., Thiol-Ene Photopolymerization Kinetics of Vinyl Acrylate/Multifunctional Thiol Mixtures. Macromolecules 2004, 37, (10), 3606-3613.

50. Lee, T. Y.; Roper, T. M.; Joensson, E. S.; Guymon, C. A.; Hoyle, C. E., Influence of Hydrogen Bonding on Photopolymerization Rate of Hydroxyalkyl Acrylates. Macromolecules 2004, 37, (10), 3659-3665.

51. Lee, T. Y.; Kaung, W.; Joensson, E. S.; Lowery, K.; Guymon, C. A.; Hoyle, C. E., Synthesis and photopolymerization of novel multifunctional vinyl esters. Journal of Polymer Science, Part A: Polymer Chemistry 2004, 42, (17), 4424-4436.

52. Lee, T. Y.; Guymon, C. A.; Joensson, E. S.; Hoyle, C. E., The effect of monomer structure on oxygen inhibition of (meth)acrylates photopolymerization. Polymer 2004, 45, (18), 6155-6162.

53. Hoyle, C. E.; Lee, T. Y.; Roper, T., Thiol-enes: Chemistry of the past with promise for the future. Journal of Polymer Science, Part A: Polymer Chemistry 2004, 42, (21), 5301-5338.

54. Cavitt, T. B.; Phillips, B.; Hoyle, C. E.; Pan, B.; Hait, S. B.; Viswanathan, K.; Joensson, S., Photopolymerization of 1,6-hexanediol diacrylate initiated by three-component systems based on N-arylphthalimides. Journal of Polymer Science, Part A: Polymer Chemistry 2004, 42, (16), 4009-4015.

55. Cavitt, T. B.; Hoyle, C. E.; Kalyanaraman, V.; Jonsson, S., Initiation of 1,6-hexanediol diacrylate polymerization by three component photoinitiators incorporating 2,3-dimethylmaleic anhydride. Polymer 2004, 45, (4), 1119-1123.