发明授权
US5418065A Integrally molded article of silicone rubber and modified polypropylene
resin
失效
硅橡胶和改性聚丙烯树脂的整体成型制品
- 专利标题： Integrally molded article of silicone rubber and modified polypropylene resin
- 专利标题（中）： 硅橡胶和改性聚丙烯树脂的整体成型制品
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申请号： US163553申请日： 1993-12-09
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公开(公告)号： US5418065A公开(公告)日： 1995-05-23
- 发明人: Hironao Fujiki , Shigeki Shudo , Akira Matsuda , Yasushi Yamamoto , Noboru Shimamoto , Eiji Kuchiki , Yuji Fujita
- 申请人： Hironao Fujiki , Shigeki Shudo , Akira Matsuda , Yasushi Yamamoto , Noboru Shimamoto , Eiji Kuchiki , Yuji Fujita
- 申请人地址： JPX Tokyo
- 专利权人： Shin-Etsu Chemical Co., Ltd.
- 当前专利权人： Shin-Etsu Chemical Co., Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX4-352677 19921210; JPX4-352678 19921210
- 主分类号： B29C45/16
- IPC分类号： B29C45/16 ; B32B37/00 ; C08J5/12 ; B32B7/04 ; B32B25/20 ; B32B27/32
摘要：
In a polypropylene resin/silicone rubber integrally molded article, a polypropylene resin having an aliphatic unsaturated bond is integrally joined to an addition type silicone rubber at high bond strength. It is prepared by injection molding a modified polypropylene resin into a preform, injection molding a silicone rubber composition over the preform, and curing the composition at a temperature below the softening point of the polypropylene resin. Stronger bond is established when the silicone rubber contains a tackifier in the form of a compound containing in a molecule at least one hydrogen atom directly attached to a silicon atom and an alkoxysilyl, glycidyl or acid anhydride group or a --(CH.sub.2).sub.n -- linkage.
公开/授权文献
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