C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/4018
C09D 163/00 (2006.01) C08G 59/38 (2006.01) C08G 59/62 (2006.01)
Patent
CA 1103387
ABSTRACT OF THE DISCLOSURE 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.
305419
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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