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    • 7. 发明申请
    • Polymerisation process catalysed by a bidentate bisphosphine-group VIII metal complex
    • 由双齿二膦Ⅷ族金属络合物催化的聚合方法
    • US20030018141A1
    • 2003-01-23
    • US10062673
    • 2002-02-05
    • Duncan Frank Wass
    • C08F010/14C08F004/06C08F004/42
    • C07F9/46C07F15/045C08F10/00C08F110/02C08F210/16C08F2500/03C08F2500/10C08F2500/04C08F210/14C08F4/7004C08F4/7016
    • A process for the polymerisation and copolymerisation of olefins is disclosed, comprising contacting the monomeric olefin under polymerisation conditions with a polymerisation catalyst or catalyst system which comprises (a) a source of a Group VIII metal; (b) a bidentate phosphine ligand having the formula (R1)(R1)PnullXnullP(R1)(R1), where each R1 is independently selected from a phenyl group or a substitued phenyl group with the proviso that at least one of the R1 groups is a phenyl group having at least one ortho substituent, and X is a bridging group of the structure nullnullNnullxnullnullPnull9nullnullNnullnull where x and y are independently 0 or 1, or nullC(R4)2nullwhere R4 may be the same or different and is hydrogen or a monovavlent hydrocarbyl, substituted hydrocarbyl or hetero-hydrocarbyl group; and optionally (c) a promoter.
    • 公开了一种用于烯烃聚合和共聚的方法,包括在聚合条件下使单体烯烃与聚合催化剂或催化剂体系接触,所述聚合催化剂或催化剂体系包含(a)Ⅷ族金属源; (b)具有式(R1)(R1)PXP(R1)(R1)的二齿膦配体,其中每个R 1独立地选自苯基或取代的苯基,条件是至少一个R 1基团 是具有至少一个邻位取代基的苯基,X是结构的桥接基团 - [N] x- [P] 9- [N] - ,其中x和y独立地为0或1,或-C(R 4) )2 - 其中R 4可以相同或不同,并且是氢或单不饱和烃基,取代的烃基或杂烃基; 和任选地(c)启动子。