Flexibilized polyepoxide resins

Details Flexibilized polyepoxide resins Flexibilized polyepoxide resins

1993-05-03

1994-08-02

Welsh, Maurice J.

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...

525107, 528 75, 528119, 25218218, C08L 6300

Patent

active

053346548

ABSTRACT:
This invention relates to improved polyepoxide resins having enhanced physical and elastic properties. The polyepoxide resins comprise an polyepoxide resin based on a polyglycidyl ether of a phenolic type compound and an acrylate terminated urethane prepolymer. The improvement in the polyepoxide resin formulation comprises incorporating an aliphatic, aliphatic ether or ester component having monofunctional reactivity with an amine hydrogen and an amine curative having from 3 to 10, and preferably 3 to 5 epoxide reactive hydrogen atoms into the epoxy resin. The presence of the monofunctional and aliphatic amine reactive component along with the acrylate terminated urethane prepolymer results in an epoxy resin having the enhanced properties.

REFERENCES:
patent: 3993708 (1976-11-01), Brinkman et al.
patent: 4182830 (1980-01-01), Ford, Jr.
patent: 4552933 (1985-11-01), Sellstrom et al.
patent: 4613660 (1986-09-01), Goel et al.
patent: 4824919 (1989-04-01), Baker et al.

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