Flame-resistant aqueous epoxy impregnating compositions containi

Details Flame-resistant aqueous epoxy impregnating compositions containi Flame-resistant aqueous epoxy impregnating compositions containi

1982-09-07

1983-12-20

Griffin, Ronald W.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

156330, 428236, 428901, 523402, 523456, B05D 302, C08L 6302, C09J 502

Patent

active

044218770

ABSTRACT:
Aqueous emulsions of epoxy resins, which can be used to treat glass cloth used in the preparation of printed circuit board laminates, are produced by combining an epoxy resin and a flame retardant phenol, such as tetrabromobisphenol A, with a selected nonionic surface active agent, such as an alkylaryl polyether alcohol, monomethylol dicyandiamide curing agent and, if needed, a catalyst.

REFERENCES:
patent: 3983056 (1976-09-01), Hosoda et al.
patent: 4073762 (1978-02-01), Hosoda et al.
patent: 4115328 (1978-09-01), Bozzi et al.
patent: 4222918 (1980-09-01), Zentner et al.
patent: 4311753 (1982-01-01), Pucci
patent: 4327143 (1982-04-01), Alvino et al.

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