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    PROCESS FOR THE PREPARATION OF CHEMICALLY HOMOGENEOUS CYCLOOLEFIN COPOLYMERS
    72.
    发明专利
    PROCESS FOR THE PREPARATION OF CHEMICALLY HOMOGENEOUS CYCLOOLEFIN COPOLYMERS 未知

    公开(公告)号：AU1146592A

    公开(公告)日：1992-09-10

    申请号：AU1146592

    申请日：1992-03-06

    Applicant: HOECHST AG

    Inventor： BREKNER MICHAEL-JOACHIM ,  OSAN FRANK ,  ROHRMANN JURGEN ,  ANTBERG MARTIN

    IPC: C08F32/08 ,  C07F17/00 ,  C08F4/62 ,  C08F4/639 ,  C08F4/6392 ,  C08F4/659 ,  C08F10/00 ,  C08F32/00 ,  C08F210/02 ,  C08F232/08 ,  C08F232/04 ,  C08F210/00

    Abstract: Metallocenes of formula (XI) are new, wherein M = Ti, Zr, Hf, V, Nb or Ta; R , R = H, halogen, 1-10 C alkyl, 1-10 C alkoxy, 6-10 C aryl, 6-10 C aryloxy, 2-10 C alkenyl, 7-40 C arylalkyl, 7-40 C alkylaryl or 8-40 C arylalkenyl; R , R = 9-fluorenyl and 1-(3-isopropyl)cyclopentadienyl, or 9-fluorenyl and 1-(3-t-butyl)cyclopentadienyl, forming a sandwich structure with M ; R = a one or more membered bridge, which connects R and R , pref. -(R )M )-, -(R )M )-(R )M )-, -(R )M )-CR2 -, -(R )C(R )-, -O-(R )M )-, -(R )C(R )-(R )C(R )-, =BR , =AlR , -Ge-, -Sn-, -O-, -S-, =SO, =SO2, =NR , =CO, =pr or =P(O)R ; R , R , R = independently H, halogen, 1-10 C alkyl, 1-10 C fluoroalkyl, 6-10 C aryl, 1-10 C alkoxy, 2-10 C alkenyl, 7-40 C arylalkyl, 8-40 C arylalkenyl or 7-40 C alkylaryl, or R and R or R and R form together a ring with bonded atoms; and isopropylene or diphenylmethylene; and M = Si, Ge or Sn. Catalysts comprising a linear type aluminoxane of formula (IX) and/or a cyclic type aluminoxane of formula (X), in addn. to (XI) are also claimed; R = 1-5 C alkyl, phenyl or benzyl; and n = 0-50.

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