Method of curing polyester resin in the presence of rubber

Details Method of curing polyester resin in the presence of rubber Method of curing polyester resin in the presence of rubber

1978-05-30

1982-10-19

Hoffman, James R.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

427302, 427322, B29H 910, B32B 2508

Patent

active

043548911

ABSTRACT:
A method is described for achieving full cure of a peroxide cured polyester resin in the presence of rubber, which method is based on the discovery that there is competition between the uncured resin and the rubber surface for the peroxide curing agent present adjacent to the rubber/resin interface. The method has several embodiments, including: (1) utilizing a low surface activity rubber, (2) deactivating the surface of a high surface activity rubber, (3) utilizing a peroxide material at the interface, (4) utilizing a material with which the rubber surface reacts preferentially, and (5) utilizing a "rapid cure" for the polyester. Also described is a laminate of rubber and polyester resin formed by this method.

REFERENCES:
patent: 3857730 (1974-12-01), Kalafus et al.
patent: 3902950 (1975-09-01), Tung et al.
patent: 3968304 (1976-07-01), Wise

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