Moisture-curing acrylate/epoxy hybrid adhesives

Details Moisture-curing acrylate/epoxy hybrid adhesives Moisture-curing acrylate/epoxy hybrid adhesives

1991-04-22

1993-03-30

Marquis, Melvyn I.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 88, 528 93, 528110, 528114, 528229, C08G 5900

Patent

active

051985241

ABSTRACT:
An adhesive composition for adhering two substrates includes a mixture of acrylate and epoxy with a tri- or tetrafunctional ketimine as a curing agent. The adhesive composition provides a two-stage cure in which, in a first stage, the adhesive is moisture cured at ambient temperature to provide green strength. In a second stage, the adhesive is post-cured at elevated temperatures to provide a high strength bond. The ketimine is formed form the reaction of diisopropyl ketone and an amine.

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