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Forest Products Laboratory
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Madison, WI 53726-2398
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Title: Durable soy-based adhesive dispersions

Source: Wood adhesives 2005 : November 2-4, 2005 ... San Diego, California, USA. Madison, WI : Forest Products Society, 2005: ISBN: 1892529459: pages 263-269.

Author(s)Wescott, James M.; Traska, Amy; Frihart, Charles R.; Lorenz, Linda

Publication Year: 2005  View PDF »

Category: Journal Articles

Abstract: An important aspect of any adhesive bond is that the bond maintains its integrity during its end use. Epoxies form highly durable bonds with many substrates but are usually not considered capable of forming completely durable bonds with wood by standard accelerated tests. However, epoxies are sold for wood boat construction, and some data have indicated that epoxies can have sufficient exterior durability for general use in wood products. This conflicting information raises an important question. Are the reported discrepancies caused by changes in epoxy-wood bond formulations or in the use of different durability test methods? Examination of these data has led to an interfacial strain model which provides the most compelling explanation for the durability observations of epoxy-wood bonds. The results of bond failure analysis, coupled with the ability of epoxies to bond acetylated wood and give bond durability to wood primed with hydroxymethylated resorcinol or melamine-based primers add support to this model in explaining epoxy-wood bond durability results.

Keywords: Viscosity, particle board, adhesives, soyben glue, formaldehyde, phenolic resins, soy flour, durability, MDI, polymeric methylene diisocyanate, phenolic resin glue, phenolic adhesives, bonding, OSB, oriented strandboard

File size: 483 kb(s)

This publication is also viewable on Treesearch:  view
RITS Product ID: 24687
Current FPL Scientist associated with this product
Frihart, Charles R.
Research Chemist
  

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