申请人:SAGAMI CHEMICAL RESEARCH CENTER
公开号:EP0471277A2
公开(公告)日:1992-02-19
A silanol compound having a mesogenic group, of the following formula (III):
wherein each of R5 and R6, which may be the same or different, is an alkyl group or a phenyl group, X is a single bond, an oxygen atom, or a group of the formula -COO- or -OCO-, Q is a mesogenic group, and p is an integer of from 2 to 20, and a process for its production. Also disclosed are a polymerizable monomer of the following formula (I) and a polymer having repeating units of the following formula (II).
wherein R is a hydrogen atom, a halogen atom, an alkyl group or a phenyl group, each of R1 to R6, which may be the same or different, is an alkyl group or a phenyl group, m is an integer of from 2 to 20, n is an integer of from 0 to 50, and X, Q and p are as defined above.
下式(III)的具有介原基的硅烷醇化合物:
其中 R5 和 R6(可以相同或不同)均为烷基或苯基,X 为单键、氧原子或式 -COO- 或 -OCO- 的基团,Q 为介原基,p 为 2 至 20 的整数,以及其生产工艺。还公开了下式(I)的可聚合单体和具有下式(II)重复单元的聚合物。
其中 R 是氢原子、卤素原子、烷基或苯基,R1 至 R6(可以相同或不同)中的每一个是烷基或苯基,m 是 2 至 20 的整数,n 是 0 至 50 的整数,X、Q 和 p 如上所定义。