摘要 |
<p>Thermosetting binder compositions for powder coatings comprising a linear or branched carboxylic acid group containing isophtalic acid rich polyester, a linear or branched hydroxyl group containing polyester and a curing agent system having functional groups reactive with the polyester carboxylic acid groups and the hydroxyl groups, wherein the carboxylic group containing isophtalic acid rich polyester is amorphous and the hydroxyl group containing polyester is semicrystalline.</p> |