申请人:Kaneka Corporation
公开号:US10077375B2
公开(公告)日:2018-09-18
A curable composition includes organic polymer (A) having more than one reactive silicon group on average per molecule, represented by formula (1): —SiR1aX3-a (1), wherein R1 is a substituted or unsubstituted hydrocarbon group having 1-20 carbon atoms, each X is independently a hydroxy group or a hydrolyzable group, and a is 0 or 1, and (meth)acrylate-based polymer (B) having a reactive silicon group represented by formula (2): —SiX3 (2), wherein each X is as defined for the formula (1), polymer (B) has a reactive silicon group equivalent of not less than 0.30 mmol/g, and wherein a monomer (b1) is free of a reactive silicon group, a glass transition temperature of its homopolymer is not more than 80° C., and is contained as monomer(s) constituting polymer (B) in a proportion of not less than 40 wt % per 100 wt % of total monomer.
一种可固化组合物包括平均每个分子具有一个以上活性硅基团的有机聚合物 (A),由式 (1) 表示:-其中 R1 是具有 1-20 个碳原子的取代或未取代的烃基,每个 X 独立地为羟基或可水解基团,且 a 为 0 或 1,以及具有由式(2)表示的活性硅基的(甲基)丙烯酸酯基聚合物(B):-其中每个 X 如式 (1) 所定义,聚合物 (B) 的活性硅基团当量不小于 0.30 mmol/g,单体 (b1) 不含活性硅基团,其均聚物的玻璃化转变温度不高于 80℃,且作为构成聚合物 (B) 的单体的含量不低于每 100 重量份单体总量的 40 重量份。