Poly(vinyl acetate) emulsion adhesives containing an alkoxysilan

Details Poly(vinyl acetate) emulsion adhesives containing an alkoxysilan Poly(vinyl acetate) emulsion adhesives containing an alkoxysilan

1987-11-25

1989-04-04

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524262, 524292, 524297, 524563, C08K 554

Patent

active

048187798

ABSTRACT:
The present invention relates to water-borne 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:
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patent: 3214402 (1965-10-01), Gobel
patent: 3418094 (1968-12-01), Marsden et al.
patent: 3736283 (1973-05-01), Taylor
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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