Two-pack aqueous adhesive

Details Two-pack aqueous adhesive Two-pack aqueous adhesive

1995-07-28

1998-03-10

Marquis, Melvin I.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524503, 524557, 524591, 525939, C08K 320, C08L 7506

Patent

active

057262420

ABSTRACT:
A two-pack aqueous adhesive, which comprises (A) an adhesive component comprising (a) a polycarbonate-urethane aqueous dispersion having a pH 5.0-8.5, which is prepared by self-emulsifying a carboxyl group-containing, hydroxy-terminated polyurethane polymer obtained from a polycarbonate diol, a carboxyl group-containing chain extender and a polyisocyanate compound in water in the presence of a tertiary amine, and (b) a conventional aqueous emulsion of a synthetic resin or a synthetic rubber, and (B) a curing component comprising a polyisocyanate compound, which can be cured even at a low temperature and is suitable for dry lamination of a product having complicated shape.

REFERENCES:
patent: 5270433 (1993-12-01), Klauck et al.
"Hawley's Condensed Chemical Dictionary", 1993, p. 931.

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