Catalyst which can be used for the preparation of olefins during
polymerization
    33.
    发明授权
    Catalyst which can be used for the preparation of olefins during polymerization 失效
    可用于在聚合过程中制备烯烃的催化剂

    公开(公告)号:US6051522A

    公开(公告)日:2000-04-18

    申请号:US464459

    申请日:1995-06-05

    摘要: A catalyst containing the combination which comprises:(a) an aluminoxane, a compound of the formula R.sub.x NH.sub.4-x, BR'.sub.4, R.sub.x PH.sub.4-x, BR'.sub.4, R.sub.3 CBR'.sub.4 or BR'.sub.3, or a mixture thereof wherein X is an integer from 1 to 4 and the radicals R are identical or different and are a C.sub.1 -C.sub.10 -alkyl or a C.sub.6 -C.sub.18 -aryl or 2 radicals R together with the atom joining them form a ring, and the radicals R' are identical or different and are a C.sub.6 -C.sub.18 -aryl which optionally are substituted by alkyl, haloalkyl or fluorine, and(b) a metallocene of the formula VI ##STR1## in which M.sup.1 is titanium, zirconium, hafnium, vanadium, niobium or tantalum,R.sup.1 is (C.sub.3 -C.sub.20)alkyl, (C.sub.6 -C.sub.14)aryl, (C.sub.4 -C.sub.10)alkoxy, (C.sub.2 -C.sub.10)alkenyl, (C.sub.7 -C.sub.20)arylalkyl, (C.sub.7 -C.sub.20)alkylaryl, (C.sub.6 -C.sub.10)aryloxy, (C.sub.1 -C.sub.10)fluoroalkyl, (C.sub.6 -C.sub.10)halogenoaryl, (C.sub.2 -C.sub.10)alkynyl; a radical --SiR.sup.6.sub.3, in which R.sup.6 is (C.sub.1 -C.sub.10)alkyl; a halogen atom; or an aromatic radical having 5 or 6 ring members in the ring, at lease one of which is a heteroatom,R.sup.2, R.sup.3 and R.sup.4 are identical or different and are hydrogen; (C.sub.1 -C.sub.20)alkyl, (C.sub.6 -C.sub.14)aryl, (C.sub.1 -C.sub.10)alkoxy, (C.sub.2 -C.sub.10)alkenyl, (C.sub.7 -C.sub.20)arylalkyl, (C.sub.7 -C.sub.20)alkylaryl, (C.sub.6 -C.sub.10)aryloxy, (C.sub.1 -C.sub.10)fluoroalkyl, (C.sub.6 -C.sub.10)halogenoaryl, (C.sub.2 -C.sub.10)alkynyl; a radical --SiR.sup.6.sub.3, in which R.sup.6 is (C.sub.1 -C.sub.10)alkyl, a halogen atom, or a heteroaromatic radical which has 5 or 6 ring members and can contain one or more heteroatoms, or adjacent radicals R.sup.1 -R.sup.4 ; with the atoms joining them, form one or more rings,R.sup.5 is hydrogen,R.sup.7 is a radical ##STR2## in which M.sup.2 is carbon, silicon, germanium or tin.

    摘要翻译: 含有该组合的催化剂包括:(a)铝氧烷,式RxNH4-x,BR'4,RxPH4-x,BR'4,R3CBR'4或BR'3的化合物或其混合物,其中X为 1〜4的整数,基团R相同或不同,为C1-C10-烷基或C6-C18-芳基或2个基团R与连接的原子一起形成环,基团R'相同 或不同的并且是任选被烷基,卤代烷基或氟取代的C 6 -C 18 - 芳基,和(b)式VI的茂金属,其中M 1是钛,锆,铪,钒,铌或钽,R 1是( (C 1 -C 10)烷基,(C 6 -C 10)芳基,(C 1 -C 10)芳氧基,(C 1 -C 10) -C 10)氟代烷基,(C 6 -C 10)卤代芳基,(C 2 -C 10)炔基; 基团-SiR 63,其中R 6是(C 1 -C 10)烷基; 卤素原子; 或在环中具有5或6个环成员的芳族基团,其中至少一个为杂原子,R 2,R 3和R 4相同或不同,为氢; (C 1 -C 10)烷基,(C 6 -C 10)芳基,(C 1 -C 10)芳氧基,(C 1 -C 10) C1-C10)氟烷基,(C6-C10)卤代芳基,(C2-C10)炔基; 基团-SiR 63,其中R 6是(C 1 -C 10)烷基,卤素原子或具有5或6个环成员并且可以含有一个或多个杂原子或相邻基团R 1 -R 4的杂芳族基团; 原子连接它们,形成一个或多个环,R 5是氢,R 7是其中M 2是碳,硅,锗或锡的基团。