Storage stable, heat curable mixtures of epoxy resins and method

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525523, 525533, 525485, 525486, 528113, 528124, 528 92, 528 93, 528 94, C08G 5958

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active

045687277

ABSTRACT:
Storage stable, heat curable mixtures obtained from epoxy resins as a binder system containing latent hardening agents as well as fillers and additive materials which have outstanding mechanical and electrical properties and which are obtained as epoxy resin components of an adduct of a high molecular solid epoxy resin and 4,4'-diaminodiarylalkane in a molecular ratio of 1:0.01 to 0.05. The preferred economical curing agent is a phenol formaldehyde condensation product.

REFERENCES:
patent: 2773048 (1956-12-01), Formo et al.
patent: 3409591 (1968-11-01), Landua et al.
patent: 3714120 (1973-01-01), Labana et al.
patent: 4269751 (1981-05-01), Firth
patent: 4360456 (1982-11-01), Firth

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