Powder coating compositions

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C - Chemistry, Metallurgy

08

K

117/183, 400/511

C08K 5/34 (2006.01) C08G 59/68 (2006.01) C08K 5/39 (2006.01) C08L 63/02 (2006.01) C09D 163/00 (2006.01)

Patent

CA 1077644

A b s t r a c t A powder binder composition comprising a mixture of I) an epoxy resin, II) a hardener comprising a polyester having free carboxylic groups, and III) from 0.05 to 5% by weight based on the weight of component II of an accelerator comprising at least one compound of the formulae Image (I) Image (II) Image (III) Image (IV) Image (V) Image (VI) wherein R represents a hydrogen atom or a C1-4 alkyl group, R1 represents a hydrogen atom or a nitro group, R2 represents a hydrogen atom or a C1-4 alkyl, C2-4 alkenyl group or a phenyl group, R3 represents a hydrogen atom or a C1-7 alkyl group, R4 represents a C1-12 alkyl group or a phenyl group, R5 represents a hydrogen atom or an aryl or C1-6 alkyl group, and X represents a hydrogen atom or a vinyl or C1-4 alkyl group and an article coated with acid composition.

272871

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