Polyether diamide epoxy additives

Details Polyether diamide epoxy additives Polyether diamide epoxy additives

1976-11-22

1978-09-12

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

260561, 528113, 260830P, C08G 5946

Patent

active

041136977

ABSTRACT:
Resistance to thermal shock of certain anhydride cured epoxy resins is unexpectedly enhanced by addition of certain polyether diamide additives. This superior resistance does not appreciably compromise heat deflection properties. The resins comprise a vicinal polyepoxide, a curing amount of certain bicyclic anhydride and an effective amount of a polyether diamide having terminal amido groups and a molecular weight of from about 2000 to about 3000.

REFERENCES:
patent: 3324176 (1967-06-01), Kirschnek et al.
patent: 3335105 (1967-08-01), Burnthall et al.
patent: 3436359 (1969-04-01), Hubin et al.
patent: 3462393 (1969-08-01), Legler
patent: 3496138 (1970-02-01), Sellers et al.
patent: 3557056 (1971-01-01), Peerman
patent: 3580887 (1971-05-01), Hubin

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