A description is given of powder coating compositions comprising a) an organic film-forming binder and b) as stabilizer at least one compound of the benzofuran-2-one type. Powder coating compositions stabilized in this way reduce the discoloration of coatings during thermal curing, especially gas oven curing.
粉末涂料组合物包括 a) 有机成膜粘合剂和 b) 至少一种
苯并呋喃-2-
酮类化合物作为稳定剂。以这种方式稳定的粉末涂料组合物可以减少涂料在热固化(尤其是气炉固化)过程中的变色。