Polyimido-ester compounds and thermoset resin compositions conta

Details Polyimido-ester compounds and thermoset resin compositions conta Polyimido-ester compounds and thermoset resin compositions conta

1985-06-13

1987-02-03

Bleutge, John C.

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

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

525 47, 525421, 525502, 525531, 526259, C08L 6706, C08L 7712, C08L 6310

Patent

active

046409572

ABSTRACT:
Polyimido-ester compounds having the formula RO-C(O)-R.sub.1 -C(O)-OR are disclosed wherein R is an alkylene N-dicarboximido radical containing cycloolefinic unsaturation and R.sub.1 is the divalent residue of an unsaturated polycarboxylic acid such as fumaric, itaconic, aconitic, mesaconic, or glutaconic acid. These compounds are blended with unsaturated resins such as unsaturated polyester resin or vinyl ester resin, and polymerizable unsaturated monomers such as styrene to provide thermosettable resin compositions which can be cured to provide castings or laminates with improved resistance to thermal aging.

REFERENCES:
patent: 4435530 (1984-03-01), Hefner
patent: 4496688 (1985-01-01), Hefner
patent: 4560768 (1985-12-01), Hefner

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