公开(公告)号：US20160130404A1

公开(公告)日：2016-05-12

申请号：US14890189

申请日：2014-05-09

Applicant: MOMENTIVE PERFORMANCE MATERIALS INC.

Inventor： Mihirkumar Maheshbai PATEL ,  Anantharaman DHANABALAN ,  Sumi DINKAR ,  Alok SARKAR

IPC: C08G77/44

CPC classification number: C08G77/44 ,  C08G77/08 ,  C08K5/5419 ,  C08K5/544 ,  C08L43/04 ,  C08L101/10 ,  C08L83/04

Abstract: The present invention provides curable compositions that are free of metal catalysts including both tin and non-tin metal catalysts. The curable compositions employ a catalyst comprising curable polymers having reactive terminal silyl groups. In particular, a silylated carboxylic acid is an alternative to organotin or other metal catalysts. In addition, the catalyst may be used with an amino-containing adhesion promoter or a mixture of amine-containing adhesion promoters and an amino-containing siloxane. The combination of these materials accelerates the condensation curing of moisture curable silicones/non-silicones even in the absence of a metal-based catalyst.

Abstract translation: 本发明提供了不含金属催化剂，包括锡和非锡金属催化剂的可固化组合物。 可固化组合物使用包含具有反应性末端甲硅烷基的可固化聚合物的催化剂。 特别地，甲硅烷基化的羧酸是有机锡或其它金属催化剂的替代物。 此外，催化剂可以与含氨基的粘合促进剂或含胺粘合促进剂和含氨基的硅氧烷的混合物一起使用。 这些材料的组合即使在不存在金属基催化剂的情况下也加速了可湿固化的硅酮/非硅氧烷的缩合固化。