Polyether diureide epoxy additives

Details Polyether diureide epoxy additives Polyether diureide epoxy additives

1978-03-27

1979-03-27

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 88, 528 93, 528111, 528113, 528135, 528322, 528363, 528365, 260830R, C08G 5948, C08G 5942

Patent

active

041467019

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 an additive comprising a polyoxyalkylenepolyamine-maleic anhydride condensation product having thioureide, ureide or thioformamide or formamide end groups.

REFERENCES:
patent: 3462393 (1969-08-01), Legler
patent: 3496138 (1970-02-01), Sellers et al.
patent: 3557056 (1971-01-01), Peerman
patent: 3730948 (1973-05-01), Akiyama et al.
patent: 3875113 (1975-04-01), Lefebvre et al.
patent: 4115361 (1978-09-01), Schulze et al.

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