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 Expert  108280

Expert in Physical Polymer Science, Ion-containing Polymers; Dielectric Properties, Polyurethanes; Crystalline Polymers


Available for your Consulting and Expert Witness Needs

Pennsylvania (PA)
USA
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
For over 30 years, Expert has been actively involved in the teaching and research of crystalline polymers. His focus has varied over time, but includes microstructure determination, crystallinity, crystal growth, mechanical properties, and general structure-property relationships. Specific systems considered include polyethylene, polyoxymethylene (polyacetal), polyesters and copolyesters (polybutylene terephthalate), crystalline blends, and others.
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crystalline polymer

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crystalline-polymer structure-property relationship

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polymer crystallinity

Expert has been actively involved in teaching and research in multicomponent polymer systems, particularly those containing crystalline polymers. His particular topics of interest include amorphous phase behavior (i.e. miscibility/immiscibility), crystallization and melting, and microstructure. A large number of techniques have been brought to bear on these problems, including dielectric thermal analysis, microscopy, and scattering techniques (e.g. x-ray). He also has taught a two-day workshop in this area at several companies.
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polymer blend

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polymer blending

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polymer alloy

Expert has been exploring the properties and performance of polyurethanes and poly(ether urethaneureas) for use in cardiac assist and other biomedical devices. Specifically, his focus has been on the design and characterization of new comb polymers with improved barrier properties; the influence of molecular architecture on mechanical (e.g. fatigue crack propagation resistance) and other properties of PEUU's; and the relationship between microphase-separated structure. In a separate program, Expert has also explored the structure and properties of ultra high molecular weight polyethylene (UHMWPE) used in orthopedic devices.
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medical polymer

For a number of years Expert has been interested in structure-property relationships of electroactive polymer composites. Early work in this area centered on the piezo- and pyroelectric character of polymer-electroceramic composites while more recently the emphasis has been on polymer conductor (carbon black, metal oxides, etc.) mixtures, particularly on the origin of the large PTC effects observed in such systems.
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electrically active polymer composite

Expert has extensive experience in the application of a wide variety of thermal analysis techniques to polymers and polymer composites (including polymer blends and block copolymers). His primary emphasis has been in using dielectric thermal analysis, differential scanning calorimetry (DSC), and dynamic mechanical thermal analysis (DMTA). His areas of study have generally included dielectric properties of polymers and polymer blends and melting and crystallization via DSC. He also has taught various short courses in this area.
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thermal analysis

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dielectric thermal analysis

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polymer thermal analysis

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differential-scanning calorimetry


Show Secondary and Basic Areas of Expertise
Localities:
Expert may consult nationally and internationally, and is also local to the following cities: Lancaster, Pennsylvania;  and Frederick, Maryland.

Often requested
with this expert:

Biomaterials and Product Development R&D for Orthopedic,...
Adhesives, Encapsulation: Electrical/ Electronic, and...
Adhesive Consulting, Formulating, & Research in Structural,...
Plastics and Polymer Additives

Education:
Year   Degree   Subject   Institution   Honors
1979   Ph.D.   Solid State Science (Polymer Science)   Penn State University   Eastman Kodak and Graduate School Fellow
1975   B.S.   Materials Science and Engineering (Polymers)   Penn State University   Evan Pugh Scholar

Work History:
Years   Employer   Department   Title   Responsibilities

1993 to

 

(Undisclosed University)

 

Department of Materials Science and Engineering

 

Professor of Polymer Science

 

Research and teaching in polymer science and engineering. Also served as MatSE grad program head for 6 yrs and a stint as acting Dept Head. Courses at both the u/g and grad levels include Mechanical and Electrical Properties of Polymers and the Polymer Solid State.

1980 to 1993

 

Penn State Universirt

 

Department of Materials Science and Engineering

 

Asst and Assoc Prof

 

Research and teaching in polymer science and engineering. Served as Polymer Science Program Chair for 6 yrs during this time.


Career Accomplishments:
Associations/Societies

Expert is a a Fellow of the American Physical Society and American Institute of Medical and Biological Engineers. He serves on the Board of Directors of the International Dielectrics Society and has previously served on the Editorial Advisory Board of the journal Macromolecules. Expert is also a member of the American Chemical Society (POLY and PMSE), and an honorary lifetime member of Alpha Chi Sigma.

Awards/Recognition

Wilson Research Award, Penn State / EMS (2014) Fellow, American Physical Society Fellow, American Institute of Medical and Biological Engineers Penn State College of EMS, Faculty Mentoring Award (2008) ASEE Sabbatical Fellow (1993) Consulting/Visiting Professorships: Most recently at the University of Queensland (2013), Chulalongkorn University (2014), South China University of Technology (2012)


Publications:
Publications and Patents Summary

He has authored >210 peer-reviewed publications and book chapters, and is a co-inventor on 7 recently issued patents on a cardiac support device. He was a co-editor of a recent ACS Symposium Series book regarding polymers, electrolytes and fuel cells. He was also an editor of an ACS Professional Reference Series book regarding polymeric materials.

Selected Publications and Publishers  
 - Journal of Physical Chemistry  
 - Encyclopedia of Polymer Science and Technology  
 - Biomacromolecules  
 - Journal of Biomedical Materials Research  
 - Macromolecules  

Consulting Services:
Selected Consulting Examples:
  • Expert was a scientific consultant for Hoechst Celanese for about 10 years before their demise. He also taught several courses onsite there. His consulting involved technical reviews, evaluation and advice on research and development projects, etc.
  • He has additional, extensive industrial consulting experience, primarily in the polymers/plastics, adhesives, and biomedical materials/devices industries. Additional details can be provided upon request.
Recent Client Requests:
  • Expert in moisture sealants.
  • Polymer extrusion expert for consulting on improvement of existing polyethylene-based compound.
  • Expert for consulting on encapsulation/ potting resin.
  • Expert in PTC Thermistor to assist with Gold Bonding and yield issues.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
Expert has extensive legal consulting and deposition experience, and he has testified in several cases in the U.S. Federal Court system, as well as at the U.K. Royal Courts in London. Details will be provided on request. He has also provided a number of depositions, some lasting as long as three days.
Recent Litigation Client Requests:
  • Expert in Polymers including polychloroprene.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:
Training/Seminars

He has taught a number of training courses over the years on topics ranging from introductory polymer science and engineering, to polymer blends and block copolymers, to dielectric and mechanical “thermal” analysis.


 

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