Olefin polymerization catalyst
    5.
    发明授权
    Olefin polymerization catalyst 失效
    OLEFIN聚合催化剂

    公开(公告)号:US5223465A

    公开(公告)日:1993-06-29

    申请号:US776350

    申请日:1991-11-18

    CPC分类号: C08F10/00 C08F12/04

    摘要: The present invention aims at providing an olefin polymerization catalyst comprising, as a component, a transition metal compound having two ligands such as .beta.-diketone, etc. coordinated, and having excellent properties as a polymerization catalyst in the polymerization of olefins including styrene compounds. This olefin polymerization catalyst comprises:(a) a transition metal compound represented by the general formula, ##STR1## wherein M represents titanium, zirconium, hafnium or vanadium, Y.sup.1 and Y.sup.2 each represent, same or different, halogen atoms or alkyl groups containing 1 to 10 carbon atoms and R.sup.1, R.sup.2 and R.sup.3 each represent hydrogen atoms or hydrocarbon groups containing 1 to 10 carbon atoms, at least one of which is a hydrogen atom but all of which must not be hydrogen atoms, and(b) an organoaluminum compound, in particular, aluminoxane.

    摘要翻译: PCT No.PCT / JP91 / 00345 Sec。 371日期1991年11月18日 102(e)1991年11月18日日期PCT 1991年3月13日PCT PCT。 出版物WO91 / 日本1991年9月19日。本发明旨在提供一种烯烃聚合催化剂,其包含作为组分的具有两个配位体如β-二酮等的配位的过渡金属化合物,并且具有优异的作为聚合催化剂的性能 烯烃聚合包括苯乙烯化合物。 该烯烃聚合催化剂包括:(a)由通式表示的过渡金属化合物,其中M表示钛,锆,铪或钒,Y1和Y2各自表示相同或不同的卤原子或含1个 至10个碳原子,R 1,R 2和R 3各自表示氢原子或含有1至10个碳原子的烃基,其中至少一个为氢原子,但全部不能为氢原子,(b)有机铝化合物 ,特别是铝氧烷。

    .alpha.-olefin polymerization catalyst component
    6.
    发明授权
    .alpha.-olefin polymerization catalyst component 失效
    (ALPHA) - 烯烃聚合催化剂组分

    公开(公告)号:US5177043A

    公开(公告)日:1993-01-05

    申请号:US663850

    申请日:1991-03-22

    IPC分类号: C08F4/656 C08F4/658 C08F10/00

    CPC分类号: C08F10/00 Y10S526/904

    摘要: This invention relates to a catalytic component for the polymerization of .alpha.-olefins and provides a catalytic component of magnesium support type capable of exhibiting a high stereoregularity while maintaining an improved strength as well as a high catalytic activity. The features thereof consist in a catalyst component for the polymerization of .alpha.-olefins obtained by contacting (A) a solid component comprising, as essential components, magnesium, titanium, a halogen and an electron-donating compound with (D) an olefin in the presence of (B) a trialkylaluminum and (C) a dimethoxy group-containing compound represented by the general formula R.sup.1 R.sup.2 Si(OCH.sub.3).sub.2 where R.sup.1 and R.sup.2 are, same or different, aliphatic hydrocarbon groups with 1 to 10 carbon atoms and having a volume, calculated by the quantum chemistry calculation, of 230 to 500 .ANG..sup.3 and an electron density of oxygen atoms in the methoxy group, calculated similarly, ranging from 0.685 to 0.800 A. U. (atomic unit) and a catalyst component for the polymerization of .alpha.-olefins obtained by contacting (A) a solid component comprising, as essential components, a metal oxide, magnesium, titanium, a halogen and an electron-donating compound with (D) an olefin in the presence of (B) a trialkylaluminum and (C) a dimethoxy group-containing compound represented by the general formula R.sup.1 R.sup.2 Si(OCH.sub.3).sub.2 where R.sup.1 and R.sup.2 are, same or different, aliphatic hydrocarbon groups with 1 to 10 carbon atoms and having a volume calculated by the quantum chemistry calculation, of 170 to 500 .ANG..sup.3 and an electron density of oxygen atoms in the methoxy group, calculated similarly, ranging from 0.690 to 0.800 A. U. (atomic unit) or the volume in the range of 200 to 500 .ANG..sup.3 and the electron density in the range of 0.685 to 0.800 A. U.

    Method for production of catalyst carrier for polymerization of olefin
    7.
    发明授权
    Method for production of catalyst carrier for polymerization of olefin 失效
    烯烃聚合催化剂载体的制备方法

    公开(公告)号:US4960743A

    公开(公告)日:1990-10-02

    申请号:US273397

    申请日:1988-11-18

    IPC分类号: C08F4/02 C08F4/64 C08F10/00

    CPC分类号: C08F10/00

    摘要: A method for the production of a catalyst carrier for use in the polymerization of an olefin, which method comprises causing a magnesium-containing solid obtained by contact of (A) magnesium metal, (B) a halogenated hydrocarbon represented by the general formula, RX [wherein R stands for an alkyl, aryl, or cycloalkyl group having 1 to 20 carbon atoms and X stands for a halogen atom], and (C) a compound of the general formula, X.sub.n.sup.1 M(OR.sup.1).sub.m-n [wherein X.sup.1 stands for a hydrogen atom, a halogen atom, or a hydrocarbon group having 1 to 20 carbon atoms, M stands for a boron, carbon, aluminum, silicon, or phosphorus atom, R.sup.1 stands for a hydrocarbon group having 1 to 20 carbon atoms, and m stands for the valency of said atom M, providing that m>n.gtoreq.0 is satisfied], to contact (D) a halogen-containing alcohol.

    Method for production of catalyst component for olefin polymerization
    8.
    发明授权
    Method for production of catalyst component for olefin polymerization 失效
    烯烃聚合催化剂组分的生产方法

    公开(公告)号:US4950630A

    公开(公告)日:1990-08-21

    申请号:US273400

    申请日:1988-11-18

    IPC分类号: C08F4/64 C08F10/00

    CPC分类号: C08F10/00

    摘要: A method for the production of a catalyst component for use in the polymerization of an olefin, which method comprises causing a magnesium-containing solid obtained by contact of (A) magnesium metal, (B) a halogenated hydrocarbon represented by the general formula, RX [wherein R stands for an alkyl, aryl, or cycloalkyl group having 1 to 20 carbon atoms and X stands for a halogen atom], and (C) a compound of the general formula, X.sub.n.sup.1 M(OR.sup.1).sub.m-n [wherein X.sup.1 stands for a hydrogen atom, a halogen atom, or a hydrocarbon group having 1 to 20 carbon atoms, M stands for a boron, carbon, aluminum, silicon, or phosphorus atom, R.sup.1 stands for a hydrocarbon group having 1 to 20 carbon atoms, and m stands for the valency of said atom M, providing that m>n.gtoreq.0 is satisfied], to contact (d) a halogen-containing alcohol and then contact (E) an electron donor type compound and (F) a titanium compound.

    Catalyst component for olefin polymerization
    9.
    发明授权
    Catalyst component for olefin polymerization 失效
    用于烯烃聚合的催化剂组分

    公开(公告)号:US4942148A

    公开(公告)日:1990-07-17

    申请号:US256514

    申请日:1988-10-12

    CPC分类号: C08F10/00 Y10S526/904

    摘要: A catalyst component for olefin polymerization, prepared by bringing a titanium-containing solid which comprises (a) a metal oxide, (b) an organomagnesium compound represented by the following general formula:R.sup.1 MgR.sup.2wherein R.sup.1 and R.sup.2 each represents a hydrocarbon group containing from 1 to 20 carbon atoms, a halogen atom, or an OR.sup.3 group in which R.sup.3 represents a hydrocarbon group containing from 1 to 12 carbon atoms, provided that R.sup.1 and R.sup.2 do not represent a halogen atom at the same time, (c) an electron donor compound, and (d) a titanium compound having contacted with each other, into contact with (e) an .alpha.-olefin containing 3 carbon atoms or more in the presence of (f) an organoaluminum compound, to thereby contain a poly(.alpha.-olefin) in an amount of from 0.1 to 100 g per gram of said titanium-containing solid.