Butadiene polymers and process for producing conjugated diene polymers
    1.
    发明授权
    Butadiene polymers and process for producing conjugated diene polymers 失效
    丁二烯聚合物和共轭二烯聚合物的制备方法

    公开(公告)号:US06653430B1

    公开(公告)日:2003-11-25

    申请号:US09601469

    申请日:2001-06-18

    IPC分类号: C08F3606

    CPC分类号: C08C19/44 C08F36/06 C08F4/642

    摘要: A butadiene polymer (i) having a cis bond unit content of at least 50% based on the total butadiene units, a number average molecular weight (Mn) of 1,000 to 10,000,000, and at least 80%, based on the total molecular chains, of living chains containing a transition metal of group IV of the Periodic table at a terminal thereof; a polymer (ii) obtained by modifying terminals of the polymer (i); and a polymer (iii) obtained by coupling the polymers (i). These polymers (i), (ii) and (iii) are obtained by polymerizing a conjugated diene monomer alone or with a copolymerizable monomer at a specific temperature in the presence of a catalyst comprising a compound (A) of a transition metal of group IV of the periodic table having a cyclopentadienyl structure and a co-catalyst (B) selected from organoaluminum-oxy compound (a) and others and optionally further by contacting the resultant polymer with a terminal modifier or a coupling agent.

    摘要翻译: 丁二烯聚合物(i)基于总的丁二烯单元具有至少50%的顺式键单元含量,基于总分子链的数均分子量(Mn)为1,000至10,000,000,和至少80% 的含有周期表第IV族过渡金属末端的活链; 通过改性聚合物(i)的末端获得的聚合物(ii); 和通过偶联聚合物(i)获得的聚合物(iii)。 这些聚合物(ⅰ),(ⅱ)和(ⅲ)是通过在包含IV族过渡金属的化合物(A)的催化剂存在下,在特定温度下单独或与可共聚单体共聚而获得的 具有环戊二烯基结构的周期表和选自有机铝 - 氧化合物(a)等的助催化剂(B),任选地进一步通过使所得聚合物与末端改性剂或偶联剂接触。

    Catalyst for the polymerization of olefines and processes for the
polymerization of olefines using the same
    4.
    发明授权
    Catalyst for the polymerization of olefines and processes for the polymerization of olefines using the same 失效
    用于烯烃聚合的催化剂和使用其的烯烃的聚合方法

    公开(公告)号:US5747595A

    公开(公告)日:1998-05-05

    申请号:US622751

    申请日:1996-03-27

    IPC分类号: C08F4/649 C08F10/00 C08F10/06

    CPC分类号: C08F10/00 Y10S526/904

    摘要: A catalyst for the polymerization of olefines comprises a solid catalytic component obtained by pre-polymerizing propylene in the presence of (A) a solid component containing magnesium, titanium, halogen and an electron-donating compound, (B) an organoaluminum compound, and (C) an alkylalkoxysilane represented by the formula, R.sup.1 Si(OR.sup.2)(OCH.sub.3).sub.2, wherein R.sup.1 represents a branched or cyclic alkyl group having 3 to 6 carbon atoms, and R.sup.2 represents a branched alkyl, alkenyl or alkinyl group having 3 to 6 carbon atoms; (B) an organoaluminum compound; and (D) an alkyltrialkoxysilane represented by the formula, R.sup.3 Si(OR.sup.4).sub.2 (OCH.sub.3), wherein R.sup.3 represents a linear alkyl group having 3 to 6 carbon atoms, and R.sup.4 represents a branched alkyl, alkenyl or alkinyl group having 3 to 5 carbon atoms.

    摘要翻译: 用于烯烃聚合的催化剂包括通过在(A)含有镁,钛,卤素和给电子化合物的固体组分(B)有机铝化合物和(A)的有机铝化合物的存在下将丙烯预聚合而获得的固体催化组分, C)由式R1Si(OR2)(OCH3)2表示的烷基烷氧基硅烷,其中R1表示碳原子数为3〜6的支链或环状烷基,R2表示碳原子数为3〜6的支链烷基,烯基或炔基 原子 (B)有机铝化合物; 和(D)由式R 3 Si(OR 4)2(OCH 3)表示的烷基三烷氧基硅烷,其中R 3表示具有3至6个碳原子的直链烷基,R 4表示具有3至5个碳原子的支链烷基,烯基或炔基 原子

    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
    10.
    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.