Cellular vinyl acetate/ethylene/n-methylolacrylamide copolymer c

Details Cellular vinyl acetate/ethylene/n-methylolacrylamide copolymer c Cellular vinyl acetate/ethylene/n-methylolacrylamide copolymer c

1990-03-08

1990-10-02

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 65, 521 91, 521149, C08J 98, C08J 914, C08J 930

Patent

active

049608029

ABSTRACT:
An aqueous compact composition comprising an aqueous adhesive copolymer emulsion, the adhesive composition having a durometer measured on the type A scale by ASTM D2240 of at least 20, and a blowing agent. The aqueous contact adhesive composition is applied as a coating to a surface of each of two substrates, then foamed, and substantially dried to provide a dry cellular adhesive coating. The adhesive-coated surfaces are then joined. The preferred contact adhesive composition comprises a vinyl acetate/ethylene/N-methylolacrylamide copolymer emulsion and contains colloidal silica.

REFERENCES:
patent: 3565247 (1971-02-01), Brochman
patent: 4001158 (1977-01-01), Lindemann
patent: 4415615 (1983-11-01), Esmay et al.
patent: 4561918 (1985-12-01), Scharfenberg et al.
patent: 4696951 (1987-09-01), Lunsford et al.
patent: 4713263 (1987-12-01), Lunsford et al.

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