申请人:SHIN-ETSU CHEMICAL CO., LTD.
公开号:EP0450957A2
公开(公告)日:1991-10-09
A process of producing a methylphenyltrisiloxane having the following general formula:
wherein R¹ and R² may be the same or different and are each a methyl or phenyl group, the process comprising the step of reacting:
(A) methyldiphenylsilanol, with
(B) a silazane compound having a diorganosilazane unit having the following formula:
wherein R¹ and R² are as defined above. According to the process, colorless and odorless methylphenyltrisiloxanes can be obtained easily, safely and economically, without any special deodorizing or decoloring step.
一种生产具有以下通式的甲基苯基三硅氧烷的工艺:
其中R¹和R²可以相同或不同,且各自为甲基或苯基,该工艺包括以下反应步骤:
(A) 甲基二苯基硅醇与
(B) 具有二有机硅氮烷单元的硅烷化合物,其结构式如下
其中 R¹ 和 R² 如上定义。根据该工艺,无需任何特殊的除臭或脱色步骤,即可轻松、安全、经济地获得无色无味的甲基苯基三硅氧烷。