A catalyst for production of a two component polyurethane sealant, which comprises a salt of a bicyclic tertiary amine of the following formula (1):
wherein n is an integer of from 1 to 3, with an aliphatic monocarboxylic acid having at least one unsaturated bond in its molecule, wherein the blend ratio is adjusted so that the molar ratio of the bicyclic tertiary amine/the aliphatic monocarboxylic acid will be at most 1.3.
一种用于生产双组分聚
氨酯密封剂的催化剂,它包括下式(1)的双环叔胺盐:
其中 n 为 1 至 3 的整数,脂肪族一元
羧酸在其分子中至少有一个不饱和键,其中的混合比经过调整,使双环叔胺/脂肪族一元
羧酸的摩尔比最多为 1.3。