| 摘要 |
This invention relates to polyvinyl acetate adhesives redispersible in hot and cold water in the dried film form.The adhesives comprise an emulsion of a polyvinyl acetate, an anti-coalescing polyvinylpyrrolidone and a non-volatile, water-soluble plasticizer for said anti-coalescing agent that is immiscible with the polyvinyl acetate resin, said plasticizer being present in amount to impart flexibility to the dried adhesive film and the ratio of polyvinyl acetate to anti-coalescing agent not exceeding about 8 parts by weight for each part by weight of agent.
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