Composite wood structures bonded by poly(vinyl acetate) emulsion

Details Composite wood structures bonded by poly(vinyl acetate) emulsion Composite wood structures bonded by poly(vinyl acetate) emulsion

1988-09-26

1989-10-24

Schofer, Joseph L.

Stock material or miscellaneous articles

Composite

Of silicon containing

428481, 428514, 428511, 156326, B32B 904

Patent

active

048761540

ABSTRACT:
The present invention relates to water-born emulsion adhesives based on polymers or copolymers of vinyl acetate and having uniformly dispersed therein an adhesion promoter consisting essentially of an alkoxysilane and up to about 80% by weight of a plasticizer for the poly(vinyl acetate). The alkoxysilane useful herein may be selected from ##STR1## in which R is independently selected from alkyl or alkoxyalkyl radicals having 1-4 carbon atoms. The modified adhesives have improved bond strength to wood, particularly after exposure to moisture.

REFERENCES:
patent: 3214402 (1965-10-01), Gobel
patent: 3418094 (1968-12-01), Marsden et al.
patent: 3736283 (1973-05-01), Taylor
patent: 3772237 (1973-11-01), Bullman
patent: 3813351 (1974-05-01), Thomson
patent: 4133789 (1979-01-01), Lakshmanan
patent: 4133794 (1979-01-01), Lamb
patent: 4698383 (1987-10-01), Mertz et al.

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