| abstract |
The present invention provides A) at least one copolymer prepared from an olefinically unsaturated monomer and containing an epoxy group and optionally a hydroxyl group, B) at least one curing agent containing a carboxylic acid group or a carboxylic acid martial inorganic group, and C) Powder coating compositions and heat resistant substrates, in particular magnetic substrates, which are cured at 120 to 150 ° C., containing a retdione group and having a melting point of 40 ° C. to 120 ° C. and containing at least one polyaddition compound prepared from aliphatic (alicyclic) diisocyanates Its use relates to coating. |