发明授权
- 专利标题： Fluoroelastomeric and fluoroplastomeric copolymers having a high resistance to bases
- 专利标题（中）： 具有高抗碱碱性的氟弹性体和氟塑料共聚物
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申请号： US64276申请日： 1993-05-20
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公开(公告)号： US5354824A公开(公告)日： 1994-10-11
- 发明人: Vincenzo Arcella , Giulio Brinati , Margherita Albano , Anna Minutillo , Graziella Chiodini
- 申请人： Vincenzo Arcella , Giulio Brinati , Margherita Albano , Anna Minutillo , Graziella Chiodini
- 申请人地址： ITX Milan
- 专利权人： Ausimont S.p.A.
- 当前专利权人： Ausimont S.p.A.
- 当前专利权人地址： ITX Milan
- 优先权： ITXMI92A001244 19920522
- 主分类号： C08F14/22
- IPC分类号： C08F14/22 ; C08F214/22 ; C09K3/10 ; C08F16/24
摘要：
The invention relates to new fluoroelastomeric copolymers endowed with resistance to bases and suitable in particular for preparing O-rings, comprising:______________________________________ (I) VDF 47-80 mols % HFP and/or PAVE 16-30 mols % hydrogenated olefin containing 2-25 mols % 2-4 C or (II) VDF 42-80 mols % PAVE 16-30 mols % hydrogenated olefin containing 2-30 mols % 2-4 C ______________________________________ The invention relates to new fluoroplastomeric copolymers endowed with resistance to bases, comprising:______________________________________ (III) VDF 70-99 mols % HFP and/or PAVE 0-16 mols % hydrogenated olefin containing 1-30 mols % 2-4 C ______________________________________ A further object of the invention is a process for preparing the abovesaid fluoroelastomeric and fluoroplastomeric copolymers.
公开/授权文献
- US6060917A Frequency synthesizer 公开/授权日：2000-05-09
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