Cobalt compound useful as catalyst for hydrosilylation, dehydrogenative silylation and crosslinking of silicone compositions
申请人:ELKEM SILICONES FRANCE SAS
公开号:US11027267B2
公开(公告)日:2021-06-08
The subject of the present invention is the use, as hydrosilylation and/or dehydrogenative silylation catalyst, of a cobalt compound of formula (1): [CO(N(SiR3)2)x]y in which: —the R symbols, which are identical or different, represent a hydrogen atom or a hydrocarbon-based radical having from 1 to 12 carbon atoms, and preferably the R symbols, which are identical or different, are chosen from the group consisting of: a hydrogen atom, alkyl groups having from 1 to 8 carbon atoms and aryl groups having from 6 to 12 carbon atoms, —x=1, 2 or 3 and—y=1 or 2.
本发明的主题是使用式 (1) 的钴化合物作为氢化硅烷化和/或脱氢硅烷化催化剂:[CO(N(SiR3)2)x]y,其中-相同或不同的 R 符号代表氢原子或具有 1 至 12 个碳原子的烃基,优选的是,相同或不同的 R 符号选自由氢原子、具有 1 至 8 个碳原子的烷基和具有 6 至 12 个碳原子的芳基组成的组,-x=1、2 或 3,y=1 或 2。