Epoxy resin powder coating composition

Details Epoxy resin powder coating composition Epoxy resin powder coating composition

1978-02-15

1978-10-24

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260830TW, C08L 6304, C08L 6302

Patent

active

041220609

ABSTRACT:
Epoxy resin powder coating compositions which have good shelf-life and which are capable of rapid cure are obtained by blending two types of epoxy resins with filler particles and a curing agent. One resin is of the epichlorohydrin-bisphenol-A type. The other resin is an epichlorohydrin-bisphenol-A epoxy modified with an epoxy-novolac. Rapidly curing films are obtained by using a hydroxy-containing, mixed aromatic-aliphatic polyether resin crosslinking agent. The cure is accelerated with an alkylimidazole. These compositions are useful in coating metal substrates, particularly pipe exteriors, when rapid cure, flexibility, and good adhesion are needed.

REFERENCES:
patent: 3028251 (1962-04-01), Nagel
patent: 3400098 (1968-09-01), Parry
patent: 3484398 (1969-12-01), Childs
patent: 3819562 (1974-06-01), Gindrup et al.
patent: 3876606 (1975-04-01), Kehr
patent: 3882064 (1975-05-01), Pregmon

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