Water-retaining adhesive composition

Details Water-retaining adhesive composition Water-retaining adhesive composition

1994-02-01

1995-05-30

Yoon, Tae H.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524218, 524225, 524386, 524388, 524395, 524458, 524461, 525374, 525375, C08K 53415, C08K 5053, C08K 509, C08F 830

Patent

active

054201829

ABSTRACT:
A water retaining adhesive composition prepared by polymerizing and partially crosslinking 100 parts by weight of a 20 to 35 wt % solution of the acrylic polymer with 2 to 5 parts by weight of the amine group compound, amide group compound or amino group compound at a temperature of 20.degree. C. to 80.degree. C.; adjusting the pH value of the resultant partially crosslinked polymer to 6.0 to 7.0; and then sequentially compounding 10 to 40 parts by weight of modifiers and 2 to 5 parts by weight of water retaining agent in the partially crosslinked polymer. The modifier is a polyol, a polyalcohol or a poly(ether alcohol). The water retaining agent is 2-pyrrolidone-5-carboxylate.

REFERENCES:
patent: 3817887 (1974-06-01), Mestetsky
patent: 4263192 (1981-04-01), Sekmakas et al.
patent: 4522956 (1985-06-01), Dhabhar et al.
patent: 5100984 (1992-03-01), Burge et al.
patent: 5143773 (1992-09-01), Takuno
patent: 5151461 (1992-09-01), Perrington et al.
Aldrich Chemical Catalog, 1988-1989. p. 1250.

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