申请人:KING INDUSTRIES
公开号:US10640641B2
公开(公告)日:2020-05-05
There is a tin-free curable composition having (A) one or more organic polymers having a reactive-silicon-containing group, wherein at least one polymer has a main chain skeleton selected from the group consisting of polyoxyalkylene polymers, saturated hydrocarbon polymers, and (meth)acrylic acid ester polymers; (B) from 0.001 to 20 parts by weight for 100 parts by weight of the organic polymer(s) (A) of a silanol condensation catalyst consisting of one or more metal amidine complexes and one or more amine carboxylate salts, (C) a crosslinker or chain extender chosen from an alkoxysilane, an alkoxysiloxane, an oximosilane, an oximosiloxane, an epoxysilane, an epoxysiloxane, an aminosilane, a carboxysilane, a carboxysiloxane, an alkylamidosilane, an alkylamidosiloxane, an arylamidosilane, an arylamidosiloxane, an alkoxyaminosilane, an alkaryaminosiloxane, an alkoxycarbamatosilane, an alkoxycarbamatosiloxane, and combinations of two or more thereof; and (D) at least one adhesion promoter chosen from a silane or siloxane other than the compounds listed under (C). There is also a cured polymer formed from the tin-free curable composition.
有一种无锡可固化组合物,该组合物具有(A)一种或多种具有含活性硅基团的有机聚合物,其中至少一种聚合物具有选自由聚氧亚烷基聚合物、饱和烃聚合物和(甲基)丙烯酸酯聚合物组成的组的主链骨架;(B)以100份有机聚合物的重量计,含有0.(A) 由一种或多种金属脒络合物和一种或多种胺羧酸盐组成的硅醇缩合催化剂, (C) 选自烷氧硅烷、烷氧硅氧烷、草酰亚胺硅烷、草酰亚胺硅氧烷(D) 至少一种粘合促进剂,选自硅烷或硅氧烷,但不包括(C)中列出的化合物。还有一种由无锡固化组合物形成的固化聚合物。