B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/198, 117/54,
B32B 15/02 (2006.01) C08G 59/50 (2006.01) C09D 163/02 (2006.01)
Patent
CA 1093909
A b s t r a c t An article comprising a metal substrate in the form of a pipe or a container, said substrate being coated with a hardened epoxy resin composition formed from A) a solid epoxy resin based on epichlorohydrin and 4,4'-diphenylolpropane or 4,4'-diphenylol- methane or both, B) from 1 to 12% by weight based on the epoxy resin of a compound of formula Image (I) or of formula Image (II) (wherein R represents an alkyl group having 1 to 6 carbon atoms, a carbocyclic aryl group having 6 to 10 carbon atoms or a benzyl group), C) a flow agent and D) a thixotropic agent and a process of coating such metal substrate by means of heating said substrate to a temperature above the melting temperature of the epoxy resin component of an epoxy resin coating composition and sufficient to cure the said epoxy resin, and powder-coating the said epoxy resin composition onto the hot surface of the substrate to provide a substantially uniform coating thereon by immediate hardening without any further processing step by means of the heat capacity of the hot substrate.
218802
Gemmer Erwin
Johannes Gerhard
Konig Hans-Joachim
Reinhard Gunter
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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