Hot and cold water redispersible polyvinyl acetate adhesives

Details Hot and cold water redispersible polyvinyl acetate adhesives Hot and cold water redispersible polyvinyl acetate adhesives

1979-09-10

1981-02-17

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 17R, 260 174ST, 260 296RB, 260 296RW, 428511, 428518, C08L 2904, C08L 3906, C08L 8904, C08L 8906

Patent

active

042514002

ABSTRACT:
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.

REFERENCES:
patent: 3082183 (1963-03-01), Boyd
patent: 3442845 (1969-05-01), Columbus
patent: 3574153 (1971-04-01), Sirota et al.
Handbook of Antara Chemicals (General Aniline), 1962, pp. 1 & 16.
Adhesives Age, Jun. 1969, pp. 40-41, Ross et al.

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