A crosslinkable composition including at least one crosslinkable component that is crosslinkable under the action of a base catalyst, a first carbonate salt according to a first formula as latent base crosslinking catalyst, and a second carbonate salt according to a second formula as potlife extender, wherein the second carbonate is present in an amount of at least 5 mole % and preferably at most 500 mole % relative to the molar amount of the first carbonate. Further disclosed are catalyst compositions composed of the first and second carbonate salts, to the use of the catalyst composition as base catalyst system in crosslinkable compositions and the crosslinkable compositions, in particular coating compositions comprising the catalyst composition.
一种可交联组合物,包括至少一种可在碱催化剂作用下交联的可交联组分,第一
碳酸盐按照第一公式作为潜在碱交联催化剂,第二
碳酸盐按照第二公式作为潜伏期延长剂,其中第二
碳酸盐的含量至少为第一
碳酸盐的摩尔量的5%,并且最好不超过第一
碳酸盐的摩尔量的500%。此外,还公开了由第一和第二
碳酸盐组成的催化剂组合物,以及将催化剂组合物用作交联组合物中的碱催化剂系统和交联组合物,特别是包括催化剂组合物的涂料组合物。