Water resistant polyvinyl acetate aqueous emulsion for applying to wood material
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United States of America Patent
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Issued Date -
Apr 29, 2004
app pub date -
Jun 27, 2003
filing date -
Oct 24, 2002
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a water resistant polyvinyl acetate aqueous emulsion, which is useful as an adhesive for applying to wood material. The present polyvinyl acetate aqueous emulsion is free of formalin and exhibits excellent water resistance. The polyvinyl acetate aqueous emulsion of the present invention can be either used alone or combined with additional cross-linking agent to further improve the water resistance. Also, when the polyvinyl acetate aqueous emulsion of the present invention is used to make plywood, the later can satisfy second type plywood standard regulated in CNS1349.
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