Liquid coating composition including a polyamide, a

Details Liquid coating composition including a polyamide, a Liquid coating composition including a polyamide, a

B - Operations, Transporting

05

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117/113, 400/400

B05D 3/02 (2006.01) B05D 7/16 (2006.01) B32B 15/08 (2006.01) C08G 63/20 (2006.01) C08G 63/46 (2006.01) C08G 63/60 (2006.01) C09D 167/00 (2006.01) C09D 177/00 (2006.01)

Patent

CA 1172788

ABSTRACT The invention provides for a coating composition for metal surfaces wherein the binder is made up of A) 10-80% by weight of a solid, powdered polyamide having a softening point of 110°-230°C and an aver- age particle size of 0,5-200 µ m, B) 20-90% by weight of a hydroxyl groups-containing polymer having a number average molecular weight of 800-20 000 and a hydroxyl functionality of 1,5-6, and tne composition also contains a cross-linking agent for component B in an amount such that the molar ratio of the reactive grouos of the cross-linking agent to that of component B is 0,6-1,5, and 40-60% by weight of an organic solvent for component B, the bolling point thereof being 140°-310°C. The inventlon also relates to a process for coating a metal surface using said coating composition.

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