abstract |
The use of pulverulent copolymers that are solid below 30 DEG C of olefinically unsaturated compounds having a weight average molecular weight of 1500 to 75,000, a free hydroxyl group content of 0.2 to 6% by weight and an intramolecular carboxylic anhydride group content of 1 to 30% by weight, as binder or binder component in powder coatings. |