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 Expert  723336

Expert in Polyurethane (PU) Materials Development for various applications

Available for your Consulting and Expert Witness Needs

Michigan (MI)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise: Listed with other top experts in: 
In 30 years working with polyurethanes, Expert has developed numerous types of polyurethane elastomers, foams, adhesives, coatings, and other products with specific application requirements.

In the past several years, her work has extensively involved development of polyurethanes for medical applications. The materials for medical applications need to meet a rigorous set of standards. As an example these materials must be non-toxic and biocompatible. For long-term implantation the materials also need to be biostable, resisting in-vivo degradation. Furthermore, the materials need to meet the specified application function.

In the past 5 years, Expert developed 3 different polyurethanes for surgical applications: 1) 2-component structural bone cement adhesive, 2) load-bearing surface for joint implants, and 3) porous foams for as scaffolding platform for tissue in-growth.

These materials are in different stages of development, with some of these products already receiving the FDA and CE approvals.


polyurethane material

Over the past 30 years, Expert has developed and invented various polyurethane products that include rigid and flexible foams, elastomers, coatings, adhesives, sealants, etc. Her experiences in wide variety of polyurethanes often results in unique approach to product development. As an example, Expert was first to combine polyurethane foams with moisture-cured isocyanate resins to produce novel curable tapes used in medical immobilization and other applications.


The basic components in the synthesis of polyurethanes are isocyanates and polyols, which form urethane linkage. Under appropriate processing conditions, isocyanate may also form other linkages, such as urea, allophanate, biuret, isocyanurate, carbodiimide, uretdione, amide, imide, oxazolidone, etc. In applications requiring good heat and thermal stability, polyurethane linkages are often not suitable as they starts to dissociate (break) at 100-140° C. Therefore, for higher temperature applications other linkages may be preferred such as urea, oxazolidone, isocyanurate, imide, etc.

The formation of these bonds is controlled by the selection of appropriate catalysts, reaction temperature, and composition of the starting components, etc. Expert has completed several studies of the kinetics and catalysis of formation of heat resistant groups, including oxazolidone, isocyanurate, and imides. The study on model reaction systems was extended to development of various heat resistant isocyanate-based products, such as isocyanurate foams, polyoxazolidone composites and coatings, polyimide foams, etc.


polyurethane chemistry

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Detroit, Michigan;  Warren, Michigan;  Flint, Michigan;  Sterling Heights, Michigan;  Lansing, Michigan;  Ann Arbor, Michigan;  Livonia, Michigan;  Dearborn, Michigan;  Cleveland, Ohio;  and Toledo, Ohio.

Often requested
with this expert:

Polyurethane Foam Formulations/ Processes,Automotive...
Adhesive Consulting, Formulating, & Research in Structural,...
Polymer Foam Process & Materials
Industrial and Consumer Adhesive and Sealant Technologies

Year   Degree   Subject   Institution   Honors
1985   Ph.D.   Chemistry   University of Zagreb, Croatia  
1978   Masters   Chemistry   University of Zagreb, Croatia  
1972   BS   Chemistry   University of Sarajevo, Bosnia   Golden pin

Work History:
Years   Employer   Department   Title   Responsibilities

2001 to





Research Director


Coordinates and leads contract R&D efforts for development of wide range of polyurethane materials with tailored properties for biomedical, electronics, construction, automotive, space, chemical, and agricultural applications. Her expertises are in polyurethanes foams, elastomers, structural adhesives, immobilization casts, blocked-isocyanate heat activated products, clear polyurethane cast elastomers, and hydrophilic polyurethanes. In addition to application development, she is routinely involved in evaluation of new and novel raw materials for polyurethanes. She had also coordinated studies on the environmental stability of isocyanates.

1988 to 2001


University of Detroit Mercy


Polymer Institute


Senior Research Scientist and Adjunct Professor


Conducted fundamental research and application development projects with focus on polyurethanes. These research efforts were primarily contract research projects sponsored by private sector and governmental agencies. She also coordinated research work of visiting scientists from around the globe and graduate students working on graduate thesis. Her area of research covered kinetics and mechanism of isocyanate-based reactions, structure-property relationship in polyurethane elastomers and foams (both rigid and flexible), development of heat resistant polymer properties (oxazolidone, isocyanurate, polyimides), fuel resistant foams, medical products (immobilization cast, artificial joints, drug release platform), acrylate/polyurethane blends, etc.

1974 to 1988


Academia and polyurethane industry, Bosnia and Herzegovina.



Various senior positions


Career Accomplishments:

American Chemical Society


1.Two time - Best poster award at the API Polyurethanes Conference;

2..Best paper award at the Polyurethanes World Congress

3.Best paper award at the SPI Annual Polyurethane Conference

Publications and Patents Summary

She has over 60 publications, 16 patents. Two proceedings: Polyurethane Elastomers Workshops 2000, Polyurethane Elastomers Workshops 2001.

Selected Publications and Publishers  
 - U.S. Patent and Trademark Office  
 - Proceeding of the Polyurethanes Conference  
 - Environmental Science & Technology  
 - U.S. Patent and Trademark Office  

Government Experience:
Years   Agency   Role   Description
1994 to 1996   EPA   Project coordinator   She was project coordinator in the studies related to utilization of isocyanate binders in solidification of various types of waste materials (e.g.automotive shredder residue, fly ash, etc.)

Consulting Services:
Selected Consulting Examples:
  • Evaluation of new type of cycloaliphatic isocyanate and its performance in polyurethanes.
  • Development of new types of biodurable polyurethane foams for tissue in-growth application, their evaluation, preparation of foams and implants for in vitro-testing, including the development of various protocols for cleaning, sterilization, etc.
  • Development of formulations and packaging for new type of bone cement for syrgical applications and assistance in various issues regarding in vitro and in vivo testing and EPA approval procedures
Recent Client Requests:
  • Memory Foam Expert and polyurethane foam characteristics expert.
  • Expert in low tack polyurethane resins for consulting on formulation issues.
  • Expert in polyurethanes for consulting on biomedical storage stability.
  • Expert to evaluate design concepts feasability.
  • Expert in vendor polyurethane raw material for consulting on material identification and source of input materials for end use.
  • Expert in manufacturing of polyurethane part for a patented snow plow design.
  • Expert in polyurethane chemistry for consulting on polyurethane protective film.
  • Polyurethane expert for consulting on the development of sealant and waterproof coating.
  • Epoxy expert needed for consulting regarding an epoxy qualification plan.
  • Expert in cushioned, reclining product materials selection.
  • Expert for consulting on Polyurethane Stability.
  • Expert for consulting on Application Development for formulations with new solid isocyanate.
  • Expert for consulting on Recomendations to improve polyurethane process.
  • Expert in Optical Index Matching Fluid for PMMA/Elastomer System.
  • Expert in polyurethane processing for consulting on covering rolls and other shapes to provide an extremely tough long wearing surface.
  • Polyurethane expert for consulting on efficient formulation of coating fabric.
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:
Recent Litigation Client Requests:
  • Expert in RIM for consulting on smart card production/electronics packaging.
  • Polyurethane foam expert witness for consulting on Polyurethane foam.
  • Chemical polyolefin foam expert for consulting on characteristics and use of polyolefin foams, especially in the field of liners prosthetic devices.
  • Organic coatings expert for case involving floor coating formulations
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
2004 to 2014   Puerto Rico   The development of new adhesive product for electronic application
1992 to 1994   Mexico   -Development of shoe adhesive -Consulting in spray systems for truck bedliners

Language Skills:
Foreign Language   Description
Bosnian, Croatian   Fluent

Market Research:
- Formulation and packaging of new bone cement product; - Specialty adhesives for electronics application; - Immobilization casting with non-tack properties; - Hydrophilic polyurethane products

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:

She was principal organizer of Polyurethane Elastomer Workshop 2000 and 2002.

Supplier and Vendor Location and Selection

Continuosly searching suppliers of raw materials for polyurethane products, polyurethane products and application

Other Skills and Services

-Education of graduate student in polymers and thesis advisor; -Training in laboratory skills and fundamentals in polyurethanes


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