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公开(公告)号：EP1819771A4
公开(公告)日：2008-05-14
申请号：EP05810885
申请日：2005-11-16
申请人： LANXESS INC
发明人： OSMAN AKHTAR , GRONOWSKI ADAM
CPC分类号： C08L23/16 , C08K3/04 , C08K5/14 , C08L23/22 , C08L2312/00 , C08L2666/06
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2.发明公开PEROXIDE VULCANIZABLE BUTYL COMPOSITIONS USEFUL FOR RUBBER ARTICLES 有权FOR橡胶制品PEROXIDVULKANISIERBARE丁基组合物
公开(公告)号：EP1824930A4
公开(公告)日：2009-05-27
申请号：EP05810881
申请日：2005-11-16
申请人： LANXESS INC
发明人： GRONOWSKI ADAM , OSMAN AKHTAR , CROCKETT TREENA
CPC分类号： C08L23/22 , C08K5/14 , C08L9/00 , C08L23/16 , C08L2666/02 , C08L2666/06 , C08L2666/08
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公开(公告)号：EP2001954A4
公开(公告)日：2009-05-20
申请号：EP07719397
申请日：2007-03-14
申请人： LANXESS INC
发明人： OSMAN AKHTAR , CROCKETT TREENA
CPC分类号： C08J5/005 , B82Y30/00 , C08F210/12 , C08J2323/22 , C08F4/00 , C08F236/08
摘要： A polymerization process for preparing a silica-filled butyl rubber polymer. A quaternary onium ion substituted silaceous nanoclay is dispersed in the organic polymerization fluid prior to polymerization of an isoolefin monomer and a multiolefin monomer in the fluid. The resulting silica-filled polymer comprises butyl rubber intercalated with silica from the silaceous nanoclay. The rate of polymerization is substantially unaffected by addition of the nanoclay to the polymerization fluid. The resulting silica-filled polymers exhibit improved impermeability as compared with non-filled polymers.
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