The present invention relates to a crosslinkable composition comprising a polyol, a polyisocyanate crosslinker, a catalyst for catalysing the reaction between -OH groups of said polyol and -NCO groups of said crosslinker, a tertiary acid of formula RR'R"CCOOH (I), wherein each R, R' and R" group, independently, is an alkyl, alkenyl, aryl or aralkyl group containing at least one carbon atom, with the proviso that two or three of the R, R' and R" groups can be linked to form a ring structure and wherein the R, R' and/or R" groups can be substituted, and optionally, a complexing agent containing at least one -SH group, as well as its use for making coatings having improved application properties.
本发明涉及一种可交联组合物,该组合物包含多元醇、多
异氰酸酯交联剂、用于催化所述多元醇的-OH 基团与所述
交联剂的-NCO 基团之间反应的
催化剂、式 RR'R "CCOOH (I) 的叔酸,其中每个 R、R'和 R "基团独立地是烷基、
烯基、芳基或芳烷基,至少含有一个
碳原子、其中每个 R、R'和 R "基团独立地是含有至少一个
碳原子的烷基、
烯基、芳基或芳烷基,但其中两个或三个 R、R'和 R "基团可以连接形成环状结构,并且其中的 R、R'和/或 R "基团可以被取代,还可以选择含有至少一个 -SH 基团的络合剂,以及用于制造具有更好应用特性的涂料。