发明授权
- 专利标题: Organofunctional silicone copolymers and the saponification products thereof
- 专利标题(中): 有机官能硅氧烷共聚物及其皂化产物
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申请号: US10507241申请日: 2003-04-03
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公开(公告)号: US07288592B2公开(公告)日: 2007-10-30
- 发明人: Kurt Stark , Robert Singer
- 申请人: Kurt Stark , Robert Singer
- 申请人地址: DE Burghausen
- 专利权人: Wacker Polymer Systems GmbH & Co. KG
- 当前专利权人: Wacker Polymer Systems GmbH & Co. KG
- 当前专利权人地址: DE Burghausen
- 代理机构: Brooks Kushman P.C.
- 优先权: DE10215962 20020411
- 国际申请: PCT/EP03/03488 WO 20030403
- 国际公布: WO03/085035 WO 20031016
- 主分类号: C08F30/08
- IPC分类号: C08F30/08
摘要:
Organosilicone and vinyl ester copolymers free from phase separation are prepared by copolymerizing at least one vinyl ester monomer with organosilicones containing difunctional silicone monomers and optionally a minor amount of monofunctional silicone monomers, in a non-aqueous solvent mixture containing at least one solvent with a transfer coefficient greater than 20·10−4 relative to vinyl acetate.
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