Base-activated wood polymer adhesive system

Details Base-activated wood polymer adhesive system Base-activated wood polymer adhesive system

B - Operations, Transporting

32

B

154/95

B32B 21/00 (2006.01) B27K 3/20 (2006.01) B27K 3/52 (2006.01) B27N 3/00 (2006.01)

Patent

CA 1269602

BASE-ACTIVATED WOOD POLYMER ADHESIVE SYSTEM ABSTRACT A process for manufacturing a composite wood body exhibiting wet and dry strength is disclosed. In the first step, wood members are treated with an aqueous solution of-a selected strong alkali sufficient to activate the wood polymers comprising the wood members without pulping the wood members. In the second step, a methylolated phenolic wood polymer is provided to form a reactive, gap-filling wood polymer adhesive on the wood members. Finally, the wood members together with applied methylolated phenolic wood polymer are pressed to form the composite wood body.

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