Invited Seminars and Colloquia

2010

Otaigbe, J.U. “New Low-Tg Phosphate Glass/Polymer Hybrids - Current Status and Future Prospects”, Invited talk presented at the 2010 Materials Science & Technology Conference and Exhibition and the American Ceramics Society 112th Annual Meeting, Houston, Texas, October 17-21, 2010.

2009

Otaigbe J. U., “Biopolymers: From Renewable Agricultural Products To Plastics,” Invited talk presented at Laboratoire de Rhéologie des Matières Plastiques, St Etienne, France, November 20, 2009.

Otaigbe, J. U., “New Approaches to Nanostructured Polymer Blends With Enhanced Benefits: Fact or Fiction?” Invited talk presented at the Laboratory of Macromolecular Materials (Ingénierie des Matériaux Polymères), Lyon France, November 16, 2009.

Otaigbe, J. U. “New Polyurethane Nanocomposites Containing Different Nanofillers as synthetic matrices for embryonic stem cell based vascular differentiation,” Invited talk presented at the Laboratory of Macromolecular Materials (Ingénierie des Matériaux Polymères), Lyon France, October 12, 2009.

Otaigbe, J.U. “Rheology, Processing and Phase Behavior of New Polymeric Hybrid Materials: Some Answered and Some Open Questions – and some Answers that Open Questions,” Invited talk presented at the Laboratory of Macromolecular Materials (Ingénierie des Matériaux Polymères), Lyon France, September 28, 2009.

2004

Otaigbe, JU, “Rheology and Morphology of Waterborne Polyurethane Systems for Film Formation,” Invited talk presented at the Bayer MaterialScience Research Center, Pittsburg, PA, 2004.

Otaigbe, JU, “Soy Protein Plastics,” Invited talk presented at the Southern Bio-Products Conference, March 4-6, 2004, Beau Rivage Resort, Biloxi, MS.

2003

Otaigbe, J.U., “New Nanostructured Polymer Blends: Fact or Fiction” Invited Talk presented at the Institute For Polymers, Swiss Federal Institute of Technology (ETH-Zurich), Zurich, Switzerland, July, 2003.

Otaigbe, J.U., “Rheology, Processing and Phase Behavior of New Inorganic-Organic Polymer Hybrid Materials: What We Think We Know and What We Know We Don’t” Invited Talk presented at the Institute For Polymers, Swiss Federal Institute of Technology (ETH-Zurich), Zurich, Switzerland, June, 2003.

2002

Otaigbe, J.U., “New Engineered Glass-polymer Hybrid Materials” Invited Talk presented at the Structural Mechanics Seminar Series, Imperial College, South Kessington, London, U.K. July 3, 2002.

Otaigbe, J.U. and K. Kar, “Towards a non-linear model for die-swell of linear polymers: numerical and experimental studies into role of intrinsic rheological properties,” Invited paper presented at the Symposium on Polymer Science: New Century Frontiers, Hattiesburg, MS, April 3-5, 2002.

Otaigbe, J.U., “Functional design of nanohybrid organic-inorganic polymeric materials with enhanced benefits,” Invited Talk presented at School of Polymers and High Performance Materials, University of Southern Mississippi, Hattiesburg, MS, March 6, 2002.

Otaigbe, J.U., “New Engineered Glass-polymer hybrid materials: Fact or Fiction” Invited Talk presented at the Sandia National Laboratory, Albuquerque, NM, February 22, 2002.

2001

Otaigbe, J.U., “Engineered Glass-polymer hybrid materials” Invited Talk presented at Rensselaer Polytechnic Institute, Troy, NY, October 5, 2001.

Otaigbe, J.U., “Glass-polymer blend rheology, structure and dynamics” Invited Talk presented at the PAC RIM 4 Conference, Maui, Hawaii, November 4-8, 2001.

Barnes*, M. D., J. V. Ford, B. G. Sumpter, D. W. Noid, and J. U. Otaigbe, ""Nanoscale optical probes of polymer dynamics in confined geometry," Invited Talk presented at the “2001 OSA/ILS National Meeting, Session-Advanced Optical Techniques for Polymers” Santa Clara CA, Oct. 14-16, 2001 (* speaker).

2000

Yudin*, V.E., J.U. Otaigbe, B.A. Cook, D.C. Cann, and V.N. Artemieva, "Polyimide Foam Composites For Thermal and Electrical Insulation: Processing and Properties," Invited Talk presented at the 7th International Conference on Polymers in Electronic Packaging,' McAfee, New Jersey, October 18-20, 2000. (* speaker)

Otaigbe, J. U., "Taking Magnets Into New Environments By Using Polymers and Coupling Agents," Invited Seminar presented in the Rohm and Haas Macromolecules Symposium at the 2000 NOBCChE Conference, Session-Polymer Dynamics" Miami, Florida, April 16-22, 2000.

1999

Otaigbe, J.U., "Taking Magnets into New Environments by Using Coupling Agents and Functional Additives," Invited Seminar presented at the 5th International Business Development Conference on the Global Business & Technical Outlook for Coupling Agents and Surface Modifiers 1999," Atlanta, Georgia, September 22–24, 1999. (Organized by Intertech Conferences, Portland, Maine, USA).

Pruski, M., J. W. Wiench, B. Tischendorf, and J.U. Otaigbe, "Measurements of Connectivities between PO4 Units in Zinc Polyphosphate Glasses," Invited Talk presented at the 218th ACS National Meeting, in the "Symposium on Applications of NMR to Complex Systems", Session "Glasses", 22-26 August 1999, New Orleans, Louisiana. (* speaker)

Wiench, J. W., M. Pruski, B. Tischendorf, and J.U. Otaigbe, "Measurements of Connectivities between PO4 Units in Zinc Polyphosphate Glasses," Invited Talk presented at the NMR Symposium, 41st Rocky Mountain Conference, Denver, August 1–5, 1999. (* speaker)

Otaigbe, J.U., "Polymer Bonded Magnets: Progress, Challenges and Opportunities," Invited Joint Seminar presented at the Electrical Engineering and Center for Non-destructive Evaluation ASNT meeting at Iowa State University, Ames, IA, April 29, 1999.

1997

Otaigbe, J.U., “Low melting polyphosphate glasses and their blends with organic polymers,” Invited Seminar presented to the Dept. of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, 7/30/97.

Otaigbe, J.U., “Low melting phosphate glasses for thermoplastic composites manufacture,” Gordon Research Conference, Ventura, California, January 5-10, 1997

1996

Otaigbe, J.U., “Reliability of DMTA for the study of structure and dynamics of novel phosphate glasses and glass-polymer blends”, Invited Joint Seminar presented to the Materials Science Division and Intense Pulse Neutron Source (IPNS-MSD) of Argonne National Laboratory, Chicago, IL., 4/5/96.

Otaigbe, J.U., “Plastics engineering for Iowa’s future”, Invited Talk presented to the Society of Plastics Engineers, Iowa Section, Ankeny, IA., 2/20/96.

Otaigbe, J.U., “Role of melt rheology in materials processing”, Invited Seminar presented to the ISU Chemical Engineering Dept., Ames, IA., 2/22/96.

1995

Otaigbe, J.U., “Dynamic Mechanical Analysis of Novel Phosphate Glasses and Glass-Polymers”, Invited Talk presented to the Chemical and Analytical Sciences Division (CASD) at Oak Ridge National Laboratoty, Oak Ridge, TN, 9/29/95.

1993

Otaigbe, J.U., 1993, "Rheological Evaluations and Analysis of Glasses and Glass-Polymer Blends Using Rheometrics Dynamic Analyzer", Invited Talk presented at the Corning Research Seminar, Corning, New York, December 14, 1993.

1991

Otaigbe, J.U., 1991, "Continuous Fiber-Reinforced Thermoplastic Composites From Ring Opening Polymerizations" Invited Paper presented at the workshop on "Polymers for Alberta's Future", Alberta Research Council, Edmonton, Alberta, Canada, June, 1991.