公开(公告)号：US20100016528A1

公开(公告)日：2010-01-21

申请号：US11922159

申请日：2006-06-13

申请人： Abbas Razavi ,  Vincenzo Bellia

发明人： Abbas Razavi ,  Vincenzo Bellia

IPC分类号： C08F4/76 ,  B01J31/12 ,  B01J31/14

CPC分类号： C08F10/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927

摘要： The present invention discloses a catalyst system comprising a cyclopentadienyl-£luorenyl-based catalyst component wherein the cyclopentadienyl is di-substituted and the fluorenyl is monosubstituted. It also discloses its method of preparation and its use in the polymerisation of ethylene.

摘要翻译： 本发明公开了一种包含环戊二烯基 - 芴基的催化剂组分的催化剂体系，其中环戊二烯基是二取代的，并且芴基是单取代的。 它还公开了其制备方法及其在乙烯聚合中的应用。

公开(公告)号：US06559089B1

公开(公告)日：2003-05-06

申请号：US09424416

申请日：2000-02-15

申请人： Abbas Razavi ,  Vincenzo Bellia

发明人： Abbas Razavi ,  Vincenzo Bellia

IPC分类号： B01J3100

CPC分类号： C08F10/00 ,  C08F4/65904 ,  C08F4/65912 ,  C08F110/06 ,  Y10S526/943 ,  C08F4/65927 ,  C08F2500/12 ,  C08F2500/06 ,  C08F2500/15

摘要： Provided is a metallocene catalyst component for use if preparing isotactic polyolefins, which component has the general formula (I): R″ (CpR1R2R3)(Cp′R′n) MQ2 wherein Cp is a substituted cyclopentadienyl ring; Cp′ is substituted or unsubstituted fluorenyl ring; R″ is a structural bridge imparting stereorigidity to the component; R1 is a substituent on the cyclopentadienyl ring which is distal to the bridge, which distal substituent comprises a bulky group of the formula XR*3 in which X is chosen from Group IVA, and each R* is the same or different and chosen from hydrogen or hydrocarbyl of from 1 to 20 carbon atoms, R2 is substituent on the cyclopentadienyl ring which is proximal to the bridge and positioned non-vincinal to the distal substituent, and is of the formula YR#3, in which Y is chosen from Group IVA, and each R# is the same or different and chosen from hydrogen or hydrocarbyl of 1 to 7 carbon atoms, R3 is a substituent on the cyclopentadienyl ring which is proximal to the bridge and is a hydrogen atom or is of the formula ZR$3, in which Z is chosen from Group IVA, and each R$ is the same or different and chosen from hydrogen or hydrocarbyl of 1 to 7 carbon atoms, each R′ is the same or different and is hydrocarbyl having 1 to 20 carbon atoms in which 0≦n≦8; M is a Group IVB transition metal or vanadium; and each Q is hydrocarbyl having 1 to 20 carbon atoms or is a halogen.

摘要翻译： 提供制备全同立构聚烯烃所用金属茂催化剂组分，该组分具有通式（I）：R“（CpR1R2R3）（Cp'R'n）MQ2，其中Cp是取代的环戊二烯基环; Cp'是取代或未取代的芴基环; R“是赋予组分立体刚性的结构桥; R1是位于桥的远端的环戊二烯基环上的取代基，其远端取代基包含式XR * 3的大体积基团，其中X选自IVA族，每个R *相同或不同，并选自氢 或1至20个碳原子的烃基，R2是环戊二烯基环上的取代基，其在桥附近并且位于远离取代基的非正交位置，并且具有式YR＃3，其中Y选自IVA族 ，并且每个R＃相同或不同，并且选自氢或1至7个碳原子的烃基，R 3是在桥附近的环戊二烯基环上的取代基，并且是氢原子或具有式ZR $ 3， 其中Z选自IVA族，并且每个R $相同或不同，并且选自氢或1至7个碳原子的烃基，每个R'相同或不同，并且是具有1至20个碳原子的烃基，其中 0 <= n <= 8; M是IVB族过渡金属或钒; 并且每个Q是具有1至20个碳原子的烃基或是卤素。