发明授权
- 专利标题: Method for preparing silicone resins
- 专利标题(中): 硅树脂制备方法
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申请号: US944141申请日: 1992-09-11
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公开(公告)号: US5300607A公开(公告)日: 1994-04-05
- 发明人: Junji Nakanishi , Toshio Saruyama , Atsushi Togashi
- 申请人: Junji Nakanishi , Toshio Saruyama , Atsushi Togashi
- 申请人地址: JPX Tokyo
- 专利权人: Dow Corning Toray Silicone Co., Ltd.
- 当前专利权人: Dow Corning Toray Silicone Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX3-278226 19910930
- 主分类号: C08G77/08
- IPC分类号: C08G77/08 ; C08G77/06 ; C08G77/10 ; C08G77/22 ; C08G77/24
摘要:
Silicone resins containing monorganosiloxane and diorganosiloxane units and exhibiting reproducible values of molecular weight and dispersity are prepared by condensing a mixture of hydrolyzed silanes, adjusting the solids content of the condensed resin and then subjecting the resultant product to a re-equilibration reaction in the presence of an alkali metal compound.
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