Joshua Otaigbe, Ph.D.

Professor, School of Polymers and High Performance Materials

Research Areas

Polymer processing and rheology; Materials science; Viscoelastic properties of polymeric solids and liquids; Structure and properties of polyphosphate glasses and glass/polymer hybrids; Composite materials and processing; Nanotechnology; University/industry interactions.

Recent Publications & Patents

Publications

1. Madbouly, S. A.; Otaigbe, J. U.; Nanda, A. K.; Wicks, D. A., Polyurethane-polyhedral oligomeric silsesquioxanes nanostructured hybrid dispersions by the prepolymer mixing process. ACS Symposium Series 2009, 1008, (Nanotechnology Applications in Coatings), 36-50.

2. Madbouly, S. A.; Otaigbe, J. U.; Nanda, A. K.; Wicks, D. A., Effect of method of preparation on the rheological behavior of polyurethane-polyhedral oligomeric silsesquioxanes nanostructured hybrid films. ACS Symposium Series 2009, 1008, (Nanotechnology Applications in Coatings), 89-101.

3. Wang, W.; Guo, Y.; Otaigbe, J. U., Synthesis and characterization of novel biodegradable and biocompatible poly(ester-urethane) thin films prepared by homogeneous solution polymerization. Polymer 2008, 49, (20), 4393-4398.

4. Olson, B. G.; Decker, J. J.; Nazarenko, S.; Yudin, V. E.; Otaigbe, J. U.; Korytko

va, E. N.; Gusarov, V. V., Aggregation of Synthetic Chrysotile Nanotubes in the Bulk and in Solution Probed by Nitrogen Adsorption and Viscosity Measurements. Journal of Physical Chemistry C 2008, 112, (33), 12943-12950.

5. 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.

6. Urman, K.; Schweizer, T.; Otaigbe, J. U., Uniaxial elongational flow effects and morphology development in LDPE/phosphate glass hybrids. Rheologica Acta 2007, 46, (7), 989-1001.

7. Urman, K.; Schweizer, T.; Otaigbe, J. U., Rheology of tin fluorophosphate glass/polyamide 12 hybrids in the low concentration regime. Journal of Rheology (Melville, NY, United States) 2007, 51, (6), 1171-1187.

8. Urman, K.; Otaigbe, J. U., New phosphate glass/polymer hybrids -Current status and future prospects. Progress in Polymer Science 2007, 32, (12), 1462-1498.

9. Urman, K.; Madbouly, S.; Otaigbe, J. U., Unusual accelerated molecular relaxations of a tin fluorophosphate glass/polyamide 6 hybrid studied by broadband dielectric spectroscopy. Polymer 2007, 48, (6), 1659-1666.

10. Urman, K.; Iverson, D.; Otaigbe, J. U., Study of the effects of melt blending speed on the structure and properties of phosphate glass/polyamide 12 hybrid materials. Journal of Applied Polymer Science 2007, 105, (3), 1297-1308.

11. Madbouly, S. A.; Otaigbe, J. U.; Nanda, A. K.; Wicks, D. A., Rheological behavior of POSS/polyurethane-urea nanocomposite films prepared by homogeneous solution polymerization in aqueous dispersions. Macromolecules (Washington, DC, United States) 2007, 40, (14), 4982-4991.

12. Madbouly, S. A.; Otaigbe, J. U., Broadband dielectric spectroscopy of nanostructured maleated polypropylene/polycarbonate blends prepared by in situ polymerization and compatibilization. Polymer 2007, 48, (14), 4097-4107.

13. Kurose, T.; Yudin, V. E.; Otaigbe, J. U.; Svetlichnyi, V. M., Compatibilized polyimide (R-BAPS)/BAPS-modified clay nanocomposites with improved dispersion and properties. Polymer 2007, 48, (24), 7130-7138.

14. Kurose, T.; Urman, K.; Otaigbe, J. U.; Lochhead, R. Y.; Thames, S. F., Effect of uniaxial drawing of soy protein isolate biopolymer film on structure and mechanical properties. Polymer Engineering and Science 2007, 47, (4), 374-380.

15. Yudin, V. E.; Otaigbe, J. U.; Bui, T. X.; Svetlichnyi, V. M., Structure and properties of polyimide-bonded magnets processed from prepolymers based on diacetyl derivatives of aromatic diamines and dianhydrides. Journal of Applied Polymer Science 2006, 100, (1), 478-485.

16. Nanda, A. K.; Wicks, D. A.; Madbouly, S. A.; Otaigbe, J. U., Nanostructured Polyurethane/POSS Hybrid Aqueous Dispersions Prepared by Homogeneous Solution Polymerization. Macromolecules 2006, 39, (20), 7037-7043.

17. Madbouly, S. A.; Otaigbe, J. U.; Ougizawa, T., Morphology and properties of novel blends prepared from simultaneous in situ polymerization and compatibilization of macrocyclic carbonates and maleated poly(propylene). Macromolecular Chemistry and Physics 2006, 207, (14), 1233-1243.

18. Madbouly, S. A.; Otaigbe, J. U., Kinetic Analysis of Fractal Gel Formation in Waterborne Polyurethane Dispersions Undergoing High Deformation Flows. Macromolecules 2006, 39, (12), 4144-4151.

19. Urman, K.; Otaigbe, J., Novel phosphate glass/polyamide 6 hybrids: Miscibility, crystallization kinetics, and mechanical properties. Journal of Polymer Science, Part B: Polymer Physics 2005, 44, (2), 441-450.

20. Nanda, A. K.; Wicks, D. A.; Madbouly, S. A.; Otaigbe, J. U., Effect of ionic content, solid content, degree of neutralization, and chain extension on aqueous polyurethane dispersions prepared by prepolymer method. Journal of Applied Polymer Science 2005, 98, (6), 2514-2520.

21. Madbouly, S. A.; Otaigbe, J. U.; Nanda, A. K.; Wicks, D. A., Rheological Behavior of Aqueous Polyurethane Dispersions: Effects of Solid Content, Degree of Neutralization, Chain Extension, and Temperature. Macromolecules 2005, 38, (9), 4014-4023.

22. Madbouly, S. A.; Otaigbe, J. U.; Nanda, A. K.; Wicks, D. A., Thermal-induced simultaneous liquid-liquid phase separation and liquid-solid transition in aqueous polyurethane dispersions. Polymer 2005, 46, (24), 10897-10907.

23. Madbouly, S. A.; Otaigbe, J. U., Rheokinetics of Thermal-Induced Gelation of Waterborne Polyurethane Dispersions. Macromolecules 2005, 38, (24), 10178-10184.

24. Alam, T. M.; Otaigbe, J. U.; Rhoades, D.; Holland, G. P.; Cherry, B. R.; Kotula, P. G., Nanostructured polymer blends: Synthesis and structure. Polymer 2005, 46, (26), 12468-12479.

Patents

Wicks, D. A.; Nanda, A. K.; Otaigbe, J. U.; Madbouly, S. A. Polyurethane dispersions containing polyhedral oligomeric nanoparticles. 2006-593383 2008108773, 20061106., 2008.

Otaigbe, J.; Urman, K. Polyphosphate glasses as a plasticizer for nylon and making nylon composite. 2007-717934 2007290405, 20070314., 2007.

"Apparatus for and method of producing monodisperse submicron polymer powders from solution" U.S. Patent 6,461,546 [2002] (with D.W. Noid, et al .)

"Optical Devices and their Method of Assembly" U.S. Patent 6,444,076 [2002] (with R.E. Johnson et al. )

"Method of Making Polymer Powders And Whiskers As Well As Particulate Products of the Method and Atomizing Apparatus ", US Patent 6,171,433 [2001] (with J.M. McAvoy et al.).

"Sealing Frit Pastes", US Patent 5,510,301 [1996] (with K. Fink).

"Preparation of Powdered Glass Paste Compositions For Sealing Glass Panels to Funnels or Tubes in Television Picture Tubes" European Patent 709,346 [1996], (with K. Fink).

"Desulfurization of Carbonaceous Fuels By Coagglomeration With Sulfur Sorbents", US Patent 5,284,497 [1994], (with N. Egiebor ).