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公开(公告)号:WO2012041017A1
公开(公告)日:2012-04-05
申请号:PCT/CN2011/001651
申请日:2011-09-29
Applicant: 中国石油化工股份有限公司 , 浙江大学 , 中国石化工程建设公司 , 吴文清 , 阳永荣 , 骆广海 , 王靖岱 , 蒋斌波 , 王树芳 , 韩国栋
CPC classification number: B01J8/32 , B01J8/1827 , B01J8/1863 , B01J8/22 , B01J8/24 , B01J2208/00274 , B01J2208/00283 , B01J2208/00991 , C08F2/01 , Y02P20/582 , C08F210/16 , C08F210/14 , C08F2/34 , C08F2500/04
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公开(公告)号:WO2008116396A1
公开(公告)日:2008-10-02
申请号:PCT/CN2008/000625
申请日:2008-03-28
IPC: C08F4/02 , C08F10/02 , C08F2/00 , B01J37/025
CPC classification number: C08F10/02 , C08F4/63904 , C08F4/65912 , C08F4/65916 , C08F4/65925 , C08F2410/01 , Y02P20/52 , Y02P20/582 , C08F4/65904 , C08F4/6543 , C08F4/69 , C08F4/025 , C08F4/027 , C08F4/64048
Abstract: A composite catalyst for production of polyethylene is provided, which comprises at least a first catalyst and a second catalyst isolated by a polymer, the first catalyst and the second catalyst may be the same or may be different. A composite catalyst for production of polyethylene with wide molecular weight distribution in a single polymerization reactor is also provided, which comprises at least a first catalyst and a second catalyst isolated by a polymer, the first catalyst and the second catalyst may be the same or may be different. The production method of the composite catalyst and the preparation method of polyethylene using the composite catalyst are also provided.
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公开(公告)号:WO2010139103A1
公开(公告)日:2010-12-09
申请号:PCT/CN2009/001541
申请日:2009-12-24
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公开(公告)号:WO2010133081A1
公开(公告)日:2010-11-25
申请号:PCT/CN2010/000502
申请日:2010-04-15
IPC: B01J32/00 , C08F4/02 , C08F4/654 , C08F10/00 , C08F110/02
CPC classification number: B01J35/06 , B01J31/0202 , B01J31/0209 , B01J31/0247 , B01J31/069 , B01J31/26 , B01J31/30 , B01J37/0244 , C08F10/00 , C08F110/06 , C08F210/16 , C08F4/651 , C08F4/6543 , C08F2500/12 , C08F2500/08 , C08F210/08 , C08F4/027 , C08F4/025 , C08F4/6545 , C08F4/6565
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