Polyether diureide epoxy additives

Details Polyether diureide epoxy additives Polyether diureide epoxy additives

1978-12-21

1980-08-26

Nielsen, Earl A.

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

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

26032642, 52808;, 525403, 525523, C08G 6532

Patent

active

042196388

ABSTRACT:
An epoxy resin having superior resistance to thermal shock comprises a vicinal polyepoxide, a curing amount of a certain bicyclic anhydride and an effective amount of a certain bicyclic anhydride and an additive comprising a polyoxyalkylenepolyamine-maleic anhydride condensation product having (thio)carbamoyl, carbamoyl or thioformyl or formyl end groups.

REFERENCES:
patent: 2945863 (1960-07-01), Buc et al.
patent: 4115361 (1978-09-01), Schulze et al.
patent: 4147857 (1979-04-01), Waddill et al.

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