Expert Details

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

Expert ID: 715235 South Carolina, USA

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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.


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.

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.

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.

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 - Greenville, South Carolina

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Education

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

Work History

Years Employer Title Department Responsibilities
Years: 1984 to Present Employer: Undisclosed Title: Professor Department: Responsibilities: 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.
Years: 1977 to 1983 Employer: Clemson University Title: Associate Professor Department: Responsibilities: Expert performed research and teaching in wood and polymer chemistry and weathering and protection of wood.
Years: 1977 to 1982 Employer: Virginia Tech Title: Assistant Professor Department: Responsibilities: He performed research and teaching in wood and cellulose chemistry.

Government Experience

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

International Experience

Years Country / Region Summary
Years: 1982 to 1983 Country / Region: Japan Summary: He performed polymer research at the Industrial Products Research Institute, Tsukuba, Japan.
Years: 1984 to 1984 Country / Region: China Summary: He was a visiting scientist teaching wood chemistry.
Years: 1984 to 1984 Country / Region: Brazil Summary: Expert was a visiting scientist teaching wood chemistry.
Years: 1992 to 1996 Country / Region: Chile Summary: He developed wood adhesives for a Chilean company.
Years: 1996 to 1996 Country / Region: Republic of China (Taiwan) Summary: Expert was a visiting professor teaching wood and coating 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 Clemson University Alumni Research Award.
Publications and Patents Summary
He has more than 200 publications, has edited five books, and has four patents on wood-plastic composites.

Language Skills

Language Proficiency
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.

Fields of Expertise

wood discoloration, wood science, wood weathering, color stability, cellophane, wood chemistry, wood photooxidation, wood product engineering, recycled plastic, plastic lumber, materials recycling, materials reuse, paper bleaching, pulp bleaching, slow release fiber, wood adhesion, wood gluing, wood structure, wood product manufacturing, phenolic wood adhesive, cellulose acetate, cellulose ester, cellulosic pulp, cellulose nitrate, electron paramagnetic resonance spectroscopy, free radical, esterification, etherification, wood dimensional stabilization, polymer modification chemistry, ultraviolet stability, photooxidation, weather resistance, coating system, organic coating process, wood coating, natural weathering, clear coating material, discoloration, paint failure, wood performance, termite damage, wood failure, cellulose ether, mechanical pulp, stabilization, cellulose chemistry, paint film weathering, intercoat adhesion, intracoat disbonding, intercoat disbonding, accelerated weathering, surface protection, foreign language, cellulose coating material, dimensional stability, paint aging, wood forestry, newspaper recycling, cellulose modification, paint adhesion, paint failure analysis, water-resistant, composite recycled plastic, commingled recycled plastic, paint chemistry, pulp-and-paper technology, pulp-and-paper color removal, wood technology, wood adhesive, plastic waste disposal, oxidation reaction, municipal solid waste management, adhesive selection, adhesion, adhesive material, weathering, plastic material, municipal solid waste, paint, polymer crosslinking, polymer modification, polymeric material, termite, wood product, wood, waste recycling, varnish, polymer, polymer recycling, polymer chemistry, plant fiber, electron paramagnetic resonance, paper, natural polymer, natural fiber, lignin, paint light stabilization, latewood, heartwood, composite material, cellulosic resin, cellulose

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