Latent curing agents for epoxy resins

Details Latent curing agents for epoxy resins Latent curing agents for epoxy resins

1984-09-26

1985-10-08

Nielsen, Earl

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528100, 528103, 528109, 528111, 528113, 528341, 548335, 560 85, 560 87, 560 88, 560120, 560127, 560195, 560196, C08G 5958

Patent

active

045461554

ABSTRACT:
A latent curing agent for epoxy resin, characterized in that the latent curing agent is an adduct obtained by reacting (a) a polyfunctional epoxy compound, (b) a compound having at least one OH, NH.sub.2, NH or SH group together with a tertiary amino group in the molecule and (c) a carboxylic acid anhydride is a good curing agent for epoxy resins. The present curing agent is useful in formulating storable, one-package, heat-curable epoxy resin-based compositions.

REFERENCES:
patent: 4066625 (1978-01-01), Bolger
patent: 4130510 (1978-12-01), Tanaka et al.
patent: 4268656 (1981-05-01), Ray-Chaudhuri et al.
patent: 4296231 (1981-10-01), Gutekunst et al.
patent: 4339369 (1982-07-01), Micks et al.
patent: 4366274 (1982-12-01), Pampouchidis et al.

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