阅读说明：本技术 脲二酮分散体的催化剂体系 (Catalyst system for uretdione dispersions ) 是由 S·博伊克 S·德尔 H-J·拉斯 D·格雷茨塔-弗兰茨 N·尤瓦 R-G·博恩 于 2019-03-21 设计创作，主要内容包括：本发明涉及一种催化剂体系,其包含A)至少一种选自下述的化合物：唑类、噁唑类、噻唑类、苯并三唑、苯并咪唑、苯并噁唑和它们的盐；B)至少一种除酸剂,其包含至少一个环氧基团；和C)至少一种包含N,N,N’-三取代脒结构的脒基含量(作为CN2计算；分子量=40)为12.0至47.0重量％的催化剂。套件,其包含本发明的催化剂体系和脲二酮水性分散体,所述脲二酮水性分散体的酸值为1至100 mg KOH/g并且还具有至少一个羧基。用本发明的催化剂体系和所述脲二酮分散体制备聚氨酯层的方法,和由此得到的聚氨酯层,以及该催化剂体系在固化酸性的脲二酮水性分散体和/或在制备漆或涂料中的用途。(The present invention relates to a catalyst system comprising A) at least one compound selected from the group consisting of: azoles, oxazoles, thiazoles, benzotriazoles, benzimidazoles, benzoxazoles, and salts thereof; B) at least one acid scavenger comprising at least one epoxy group; and C) the content of at least one amidine group comprising an N, N, N' -trisubstituted amidine structure (calculated as CN 2; molecular weight =40) from 12.0 to 47.0 wt% of catalyst. A kit comprising a catalyst system of the invention and an aqueous uretdione dispersion having an acid value of from 1 to 100 mg KOH/g and also having at least one carboxyl group. The catalyst system according to the invention and the method for producing polyurethane layers from the uretdione dispersions described, and the polyurethane layers obtained therefrom, and the use of the catalyst system for curing acidic aqueous uretdione dispersions and/or for producing lacquers or coatings.)