Aqueous emulsion laminating adhesive

Details Aqueous emulsion laminating adhesive Aqueous emulsion laminating adhesive

1985-02-11

1986-05-13

Griffin, Ronald W.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

156330, 523409, 524906, C08L 6302, C09D 358, C09J 314, C09J 316

Patent

active

045887578

ABSTRACT:
A method of forming an aqueous emulsion laminating adhesive having an extended pot life is disclosed in which monoethylenically unsaturated monomers are polymerized to form a copolymer having a glass transition temperature in the range of about -10.degree. C. to about -50.degree. C. The polymerization is carried out in aqueous emulsion in the presence of emulsified epoxy resin in an amount of from about 2% to about 60%, based on the weight of the monomers which are copolymerized. An aqueous emulsion of amine-functional resin is then mixed into aqueous emulsion containing copolymer and epoxy resin formed by the aqueous emulsion copolymerization to provide a weight ratio of amino hydrogen atoms to oxirane groups of from about 0.1 to about 1.0.

REFERENCES:
patent: 4308183 (1981-12-01), Williams
patent: 4418166 (1983-11-01), Chesney et al.
patent: 4444923 (1984-04-01), McCarty
patent: 4503173 (1985-03-01), Martino et al.

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