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 Expert  715235

Expert in Wood Science, Wood Chemistry, Wood Coatings, Recycling


Available for your Consulting and Expert Witness Needs

South Carolina (SC)
USA
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
Expert has been involved in research in weathering of wood for the past 20 years. He studies wood discoloration, surface oxidation, and surface protections. He uses electron spin resonance to characterize free radicals (formation, termination) and mechanisms of weathering. He has 50 publications in this area.

Expert studies photo-oxidation and photostabilization of wood. He has developed new ultraviolet stabilizers for wood and wood coating systems, particularly for clear coatings and varnishes. He is experienced with chemical modification of wood to achieve dimensional stability, resistance to insects (termites), and improved water-repellency and weatherability.

He has become involved with developing new technologies for producing “plastic lumber” or composites from commingled plastics. No sorting or separation is required for these new recycling processes. He is currently working on recycling of plastics from industry as well as from municipal solid wastes. He can answer a variety of questions on materials reuse issues.

He is working on technologies to enhance recycled newspaper products. He has made composites from newspaper, paper products, and plastic wastes, primarily for the construction, horticulture, and agriculture industries. Expert is developing new bleaching technology for high-yield, lignin-containing pulp fibers. These bleaching agents are non-sulfur and non-chlorine based. The stabilization of color and brightness of paper is actively pursued.

Expert has developed unique encapsulation techniques using plastics/wood fiber to control the release of fertilizers for forest and agriculture applications. The composition can be molded into various articles or ground into a granular powder.

Expert has conducted and given seminars on various aspects of adhesion and adhesives for wood products. His research topics include the development of interfacial adhesion based on wood surface structures, chemical compositions, and new adhesives. He also studies the environmental effects on adhesive performance. He has 20 years experience in manufacturing various adhesives for wood products and recently successfully developed a phenolic wood adhesive from liquefied wood.

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wood discoloration

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wood science

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wood weathering

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color stability

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cellophane

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wood chemistry

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wood photooxidation

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wood product engineering

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recycled plastic

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plastic lumber

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materials recycling

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materials reuse

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paper bleaching

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pulp bleaching

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slow release fiber

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wood adhesion

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wood gluing

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wood structure

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wood product manufacturing

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phenolic wood adhesive

Expert has conducted research in all areas of chemical modification of cellulose, including etherification, esterification, cross-linking reaction, and grafting reaction. Novel cellulose derivatives have been produced in the past three years.

He has conducted research to improve stability of cellulose nitrate under heat and ultraviolet and weathering conditions. He has used electron paramagnetic resonance (ESR) spectroscopy to study free radical formation in wood, cellulose, lignin, plastics initiated by ultraviolet light, mechanical stress, and heat. He has published more than 50 technical papers in this area.

He has conducted research in all areas of modification of wood, including etherification, esterification, cross-linking reaction, and grafting reaction. The objective of this work is primary to develop wood with high dimensional stability especially in the "wet" environment. Expert has conducted research in all areas of chemical modification of polymers, especially wood, cellulose and chitin. His methods include etherification, esterification, cross-linking reaction, and grafting reaction. Novel cellulose and chitosan derivatives have been produced in the past five years.

He studies photo-oxidation and photostabilization of wood. He has developed new ultraviolet stabilizers for wood and wood coating systems, particularly for clear coatings and varnishes.

Expert has been involved in research in weathering of wood for the past 20 years. He studies wood discoloration, surface oxidation, and surface protections. He uses electron spin resonance to characterize free radicals (formation, termination) and mechanisms of weathering. He has 50 publications in this area. He has developed new weather resistant coating materials for wood and wood panels. His research has focused on polymeric stabilizers to achieve long-lived, high performance coatings.

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cellulose acetate

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cellulose ester

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cellulosic pulp

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cellulose nitrate

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electron paramagnetic resonance spectroscopy

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free radical

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esterification

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etherification

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wood dimensional stabilization

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polymer modification chemistry

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ultraviolet stability

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photooxidation

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weather resistance

Expert has developed new coating materials for wood, wood furniture, wood floor, and wood panels. His research has focused on polymeric stabilizers to achieve long-lived, high performance coatings.

He has been involving in research in natural weathering for wood, natural fibers, textile materials and polymers for the past 20 years. He studies the effect of natural weathering on physical, mechanical and chemical properties of weathered surfaces using various surface analysis tools such as FTIR, Raman spectroscopy and X-ray photoelectron spectroscopy. He has 50 publications in this area.

He has been working on acquers and varnishes and other clear coatings for wood. He has provided practical solutions for paint/coating failure for coating and furniture industries. His research has been focusing on adhesion, discoloration and application methods for coatings. Expert has been working on discoloration of wood and coating materials for wood. He has provided practical solutions for paint/coating failure for coating and furniture industries. His research has been focusing on adhesion, discoloration and application methods for coatings.

Expert has been working on paints, lacquers and varnishes for wood. He has provided practical solutions for paint/coating failure for coating and furniture industries. He frequently deals with adhesion failures, discoloration, peeling, checking, and cracking problems.

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coating system

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organic coating process

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wood coating

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natural weathering

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clear coating material

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discoloration

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paint failure


Show Secondary and Basic Areas of Expertise
Localities:
Expert may consult nationally and internationally, and is also local to the following cities: Atlanta, Georgia;  Augusta, Georgia;  Athens, Georgia;  Roswell, Georgia;  Asheville, North Carolina;  Gastonia, North Carolina;  and Greenville, South Carolina.

Often requested
with this expert:

Wood Design, Wood Performance
Adhesive Consulting, Formulating, & Research in Structural,...
Wood & Cellulose Chemistry
Wood Structures and Wood Mechanics

Education:
Year   Degree   Subject   Institution  
1977   Ph.D.   Wood Chemistry   Virginia Tech  
1974   M.S.   Polymer Science   Gunma University  
1972   B.S.   Chemical Engineering   Tokyo University  
1968   Certificate   Japanese Language   International Students Institute  

Work History:
Years   Employer   Title   Responsibilities

1984 to

 

(Undisclosed University)

 

Professor

 

He performes research and teaching in wood and cellulose chemistry. He is a director for cellulose and polymer research at Wood and Cellulosic Research Institute at Clemson.

1977 to 1983

 

(Undisclosed University)

 

Associate Professor

 

Expert performed research and teaching in wood and polymer chemistry and weathering and protection of wood.

1977 to 1982

 

Virginia Tech

 

Assistant Professor

 

He performed research and teaching in wood and cellulose chemistry.


Career Accomplishments:
Associations/Societies

Expert is a member of the American Chemical Society, the Forest Products Research Society, and Plastic Engineers.

Professional Appointments

He is a member of Editorial Board for “Cellulose.”

Awards/Recognition

He has received the Lee Foundation Research Award, the Japanese Government Research Award, the Taiwan National Research Council Award, and the Expert's University Alumni Research Award.


Publications:
Publications and Patents Summary

He has more than 200 publications, has edited five books, and has four patents on wood-plastic composites.

Selected Publications and Publishers  
 - Marcel Dekker  
 - Journal of Applied Polymer Science  
 - Journal of Thermoplastic Composite Materials  

Government Experience:
Years   Agency   Role   Description
1987 to 1988   Office of Technology Assessment   Technical consultant   He completed an evaluation of mass deacidification processes for book preservation and a comparison of their chemical characteristics and effectiveness.
1978 to 1986   USDA Forest Services   Research Investigator   He studied weathering and protection of wood and developed clear coatings and finishes for wood.

Consulting Services:
Selected Consulting Examples:
  • Expert developed extraction processes for pharmaceutical companies.
  • He reviewed and evaluated extrusion process for making wood-plastic composites.
  • He performed laboratory weathering testing for coating materials for wood.
  • Expert developed coatings for hardwood flooring.
  • He developed coatings for outdoor applications.
Recent Client Requests:
  • Wood manufacturing expert for consulting on product development and expansion possibilities.
  • Expert in wood treatment chemicals for consulting on regulatory requirements for the sale of treated materials.
  • Medicine cabinet mirror expert needed for consulting regarding medicine cabinet mirror failures.
  • Expert in Carbonization of Wood for consulting on Wood carbonizing.
  • Kiln dry lumber expert for consulting on kiln drying of Asian and Brazilian species.
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 is experienced as an expert witness. He has been retained and deposed five times and testified several times on cases involving weathering of wood and coatings for wood.
Recent Litigation Client Requests:
  • Expert witness lumber adhesives for consulting on alleged foul odor emanating from engineered wood joists.
  • Composite materials expert for consulting on Louisianna-Pacific composite decking.
  • Wood expert for wood identification issues
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
1982 to 1983   Japan   He performed polymer research at the Industrial Products Research Institute, Tsukuba, Japan.
1984 to 1984   China   He was a visiting scientist teaching wood chemistry.
1984 to 1984   Brazil   Expert was a visiting scientist teaching wood chemistry.
1992 to 1996   Chile   He developed wood adhesives for a Chilean company.
1996 to 1996   Republic of China (Taiwan)   Expert was a visiting professor teaching wood and coating chemistry.

Language Skills:
Foreign Language   Description
English   He is fluent in English.
Chinese (Mandarin and other dialects)   Chinese is his mother tongue and he is fluent in it.
Japanese   Expert was awarded Japanese Language Certification from International Students Institute and obtained degrees from Japanese universities. He had lived in Japan for 10 years and is fluent in Japanese.
Spanish   He had worked in Chile, on and off, for more than eight years. He can speak and read Spanish.

 

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