Patent ID: 8901250

Claim:
A powder coating composition for low temperature cure which comprises a mixture of: at least one carboxylic acid group containing first polyester A that is amorphous and that has a glass transition temperature of from +45 to +100° C.; at least one component B that consists of at least one of at least one second polyester B1 different from the first polyester A having a functionality lower than 2 and having a glass transition temperature ≦+45° C. and at least one crystalline polycarboxylic acid B2; at least one glycidyl group containing acrylic copolymer C with a number average molecular weight of from 2000 to 8000 Daltons; at least one compound and/or resin D, different from compound C, having functional groups reactable with the carboxylic acid groups; and at least one thermosetting curing catalyst E.