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 Expert  722054

Expert in Twin-Screw Extrusion, Polymer Compounding, Pharmaceutical Melt Extrusion

Available for your Consulting and Expert Witness Needs

New Jersey (NJ)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise: Listed with other top experts in: 
With 20 years of practical, hands-on experience developing processes and products using twin-screw intermeshing extruders, Expert has compounded nearly everything under the sun. His areas of expertise fall into the category "non-traditional materials", i.e. processing of materials not typically compounded using twin-screw extruders. These areas of expertise fall outside the usual polymer processing industry (e.g. compounding of active pharmaceuticals with polymers for controlled-release drug delivery, etc.). Within this context, process development and optimization are executed in a minimum timeframe as a result of the depth and breadth of experience.

thermoplastics compounding


elastomer compounding


extrusion screw


polymer compounding


polymer extruder


polymer extrusion screw




extrusion equipment


multiple-screw extruder


twin screw extrusion


twin-screw extruder


double-flighted extrusion screw


extrusion screw design

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: New York, New York;  Yonkers, New York;  Newark, New Jersey;  Jersey City, New Jersey;  Paterson, New Jersey;  Elizabeth, New Jersey;  Bridgeport, Connecticut;  New Haven, Connecticut;  Stamford, Connecticut;  and Philadelphia, Pennsylvania.

Often requested
with this expert:

Polymer Extrusion Processes and Equipment
Plastics and Polymer Additives
Plastics and Bio Based Resins, Extrusion Compounding, and...
Plastics Processes: Extrusion, Injection Molding, Blow...

Year   Degree   Subject   Institution  
1982   M.S.   Applied Science   New York University  

Work History:
Years   Employer   Department   Title   Responsibilities

1994 to







Expert is Principal Consultant for all extrusion activities.

1990 to 1994


Warner-Lambert Company


Novon Products Division


Director, Manufacturing Technology


Expert provided process engineering support for a 100 million lb/yr production plant for Warner-Lambert's Novon, a biodegradable resin (biopolymer). He developed compounding technology for all product development strategies.

1981 to 1990


Werner & Pfleiderer Corporation



Manager, Applications Development


Expert was responsible for developing new application markets for this twin-screw extruder manufacturer, as well as identifying new applications within existing markets.

Career Accomplishments:

Expert has been a member of the Society of Plastics Engineers (SPE) since 1990. He is also an active member of the International Society of Pharmaceutical Engineers and the American Association of Chemical Engineers.

Publications and Patents Summary

Expert has several U.S. and European patents. He has authored and presented numerous technical papers as well as published articles on various aspects of twin-screw extrusion. He has also authored chapters in reference books, including: "Screw Design," Encyclopedia of Polymer Science and Engineering (John Wiley), "Intermeshing Co-rotating Twin Screw Extruders," Mixing in Polymer Processing (Marcel Dekker), "Internal Mixers, Single and Twin Screw Extruders," Handbook of Process Plant Machinery (Butterworth Publishing). He is currently writing two chapters for "Pharmaceutical Extrusion Technology," to be published in 2002.

Selected Publications and Publishers  
 - Mixing in Polymer Processing  
 - Plant/Operations Progress  
 - Handbook of Process Plant Machinery  
 - Encyclopedia of Polymer Science & Engineering  

Consulting Services:
Selected Consulting Examples:
  • Expert has provided in-plant twin-screw extrusion training seminars for both operators and engineers since 1994, improving the overall productivity at each site.
  • He has been extremely successful in on-site process troubleshooting for product quality problems which have eluded both the client company as well as the original equipment manufacturer.
  • Expert also provides technology assessments for existing manufacturing operations who are searching for a competitive edge.
  • He has provided validation services (IQ/OQ/PQ) for twenty twin-screw lines in both research and manufacturing environments. He also has written the operating and cleaning SOPs for these lines as well as trained personnel in use of these procedures.
  • Expert has assisted with the commissioning of new extrusion lines where the client company needs a set of "experienced eyes and ears" to look out for their best interests. In every case, the start-up schedule was accelerated by Expert's contributions.
Recent Client Requests:
  • Expert in TPU/BaSO4 compounding.
  • Extruder expert for consulting on Due Dilligence.
  • Expert in twin screw extruder for consulting on twin screw repro polystyrene foam to pellet and extruding starch to pellet making a latent foam starch to be extruded into foamed by others.
  • Expert for consulting on twin screw extruder selection.
  • Expert in custom pharmaceutical rubber compounding for consulting on drug-eluting rubber medical devices.
  • Expert in Pebax for consulting on degradation of Pebax after accelerated aging.
  • Expert in thermoplastic color compounding for consulting on the economic and technical requirements for 20% TPFE filled ABS in house line.
  • Plastic film expert to consult on a sealing problem related to bi oriented polyolefin shrink film, to make a formulation for a calendared PVC film, and to develop a plastic paper film.
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 provided expert witness services for situations whereby extrusion processing was considered.
Recent Litigation Client Requests:
  • Expert in polymer industry for testimony on formula availability for trade secrets and patent litigation.
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.

International Experience:
Years   Country / Region   Summary
1999 to 2000   United Kingdom   Expert has performed validation and commissioning of pharmaceutical melt extrusion equipment.
1997 to 2000   Brazil   In Brazil, he has conducted "Twin-Screw Compounding" training seminars in conjunction with local plastics industry trade associations.
1995 to 2000   Germany   In Germany, Expert has provided on-site process troubleshooting and extrusion training seminars for multinational resin suppliers.

Language Skills:
Foreign Language   Description
German   Expert can read German.
Spanish   He can speak and read Spanish.

Market Research:
Expert has been involved in delivering products from inception (i.e. lab-scale) through production.

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:

He currently conducts the 2-day "Twin-Screw Compounding" seminar and 3-day "Twin-Screw Compounding Technology" Workshop for the Society of Plastics Engineers. Expert has been doing these seminars and workshops for SPE since 1994 and has trained thousands of personnel.

Supplier and Vendor Location and Selection

Having worked for an extruder supplier himself, Expert is actively engaged in vendor selection and equipment specification. He is intimately familiar with most of the equipment suppliers, as he has hands-on experience with their equipment at client installations. Expert has saved clients many thousands of dollars with his insight in specifying new lines.

Other Skills and Services

Expert has provided validation services (IQ,OQ,PQ) and developed Standard Operating Procedures (SOP's) for over twenty twin-screw lines in both R&D and manufacturing environments.


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