Expert Details

Expert in Structure-Property Relationships of Polymers, Polymer Composites and Polymer Nanocomposites

Expert ID: 725467 Oklahoma, USA

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Expert has published numerous papers on surfactant and polymer adsorption at water-solid interfaces.

A great deal of his work involves characterization and properties of amorphous polymers, especially polystyrene and its various derivatives.

He earned B.S. and PhD degrees in Chemical Engineering.

He has expertise in colloidal polymers in solutions, e.g. latex particles as well as biodegradable nanoparticles for drug delivery.

He has published many papers on physical chemistry aspects of colloids and interfaces.

He worked one summer in the Composites Lab at Tinker, and has published papers on studies of curing kinetics as well as interface modification of fibers used in thermosetting composites. He has also studied thermoplastic composites extensively, in particular those involving carbon nanotubes.

He has characterized composites using electron and atomic force microscopy, rheology, calorimetry, various mechanical tests as well as small and wide-angle x-ray scattering.

He has published papers on a wide-variety of both thermoplastic and thermoset composites, and has written a book chapter on thermoplastic material selection.

He has used both static and dynamic contact angle to characterize the surface of solid materials.

He has studied heat conduction in differential scanning calorimetry extensively.

His expertise is solid-liquid interfacial tension measurements, and processes whether these types of surface interactions are important.

His expertise is solid-liquid interfacial tension measurements and has used a wide variety of instruments to characterize the surface energy of solids.

Because of his expertise in thermoplastic polymer composites, he knows a great deal about compounding of solid fillers in particular.

He has characterized composites using electron and atomic force microscopy, rheology, calorimetry, various mechanical tests as well as small and wide-angle x-ray scattering.


He has written a book chapter on thermoplastic material selection.

He has studied how heat transfer affects measured quantities for a polymer in a Differential Scanning Calorimeter and hence has a fundamental understanding of unsteady state heat transfer in polymers.

He has a fundamental understanding of how the various treatment process (e.g. plasma, flame) affect surface properties of polymers, especially with respect to adhesion. Primarily this expertise comes from his work on printing on plastics.

He consulted for a company that tested a new type of devulcanized rubber, and hence knows a great deal about rubber compounding.

He has taught classes on surface chemistry at the University, and has published many papers that deal with surface chemistry of polymers and mineral oxide surfaces.

One of his major research areas has been adsorption of surfactants at the solid-liquid interface. Further, he is the new Associate Director for the Institute for Applied Surfactant Research.

He has written a book chapter on thermoplastic material selection.

Because of his expertise in thermoplastic polymer composites, he knows a great deal about compounding of solid fillers in particular.

He consulted with a small company to evaluate a new process to devulcanize rubber.He consulted with a Fortune 500 company to evaluate new technologies available for a very particular type of hand-cleaner. He consulted with a small company to help evaluate various thermoplastic resins for powder coating.

Expert may consult nationally and internationally, and is also local to the following cities: Oklahoma City, Oklahoma - Tulsa, Oklahoma - Norman, Oklahoma - Lawton, Oklahoma - Edmond, Oklahoma

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Education

Year Degree Subject Institution
Year: 1994 Degree: PhD Subject: Chemical Engineering Institution: University of Wisconsin-Madison
Year: 1987 Degree: BS Subject: Chemical Enginerring Institution: University of Illinois Urbana-Champaign

Work History

Years Employer Title Department Responsibilities
Years: 1994 to Present Employer: Undisclosed Title: Professor Department: Dept of Chemical, Biological and Materials Engineering Responsibilities: He is a Full Professor, and has teaching, research and service responsibilities.
Years: 1987 to 1989 Employer: Procter and Gamble Title: Process Engineer Department: Responsibilities: He was responsible for supervising the construction and startup of a laboratory-scale continuous pilot-plant.

International Experience

Years Country / Region Summary
Years: 1997 to Present Country / Region: Thailand Summary: Once a year, he travels to Bangkok, Thailand to teach a course for 2 weeks.

Career Accomplishments

Associations / Societies
He is a member of SPE, AICHE and ACS.
Professional Appointments
He has served as Chair of the Engineering, Properties and Structure Division of the Society of Plastics Engineers, and currently is a member of the 15-person Executive Committee of the Society of Plastics Engineers
Awards / Recognition
He was a Humboldt Fellow, a winner of an NSF CAREER award, and was awarded an NSDEG fellowship for his graduate school studies.
Publications and Patents Summary
He has almost 70 refereed publications, 9 refereed book chapters and 3 patents applied for.

Additional Experience

Expert Witness Experience
He has written reports for lawyers on a case involving defective roofing, as well as whether two materials in a food packaging application were identical or not.
Training / Seminars
He developed and has delivered a 1-day seminar on the basics of polymer science.
Marketing Experience
He is unique because his interaction with the Society of Plastics Engineers has given him much better insight into the problems and challenges that industry faces.
Other Relevant Experience
He is very skilled on the computer with Microsoft Office programs, he has taught classes on the use of Excel including Visual Basic programming.

Fields of Expertise

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