Catalyst for the polymerization of alpha-olefins
    2.
    发明授权
    Catalyst for the polymerization of alpha-olefins 失效
    α-烯烃聚合催化剂

    公开(公告)号:US5807801A

    公开(公告)日:1998-09-15

    申请号:US856290

    申请日:1997-05-14

    摘要: Presence of a catalyst formed from (A) a transition metal compound comprising (A-1) a transition metal atom, (A-2) a hetero atom-containing ligand containing a heteroatom selected from oxygen, sulfur, nitrogen and phosphorus capable of forming a bond with the transition metal atom, and (A-3) a ligand having a conjugated .pi. electron through which the ligand can be bonded to the transition metal atom (A-1), and (B) an aluminoxane. The transition metal compound is pre-treated with (C) an organometallic compound, or (D) a halogen-containing inorganic compound of an element of Group III, IV or V of the periodic table in an organic solvent.

    摘要翻译: 存在由(A)过渡金属化合物形成的催化剂,该过渡金属化合物包含(A-1)过渡金属原子,(A-2)含有能够形成的含氧,硫,氮和磷的杂原子的含杂原子的配体 与过渡金属原子的键,和(A-3)具有共轭π电子的配体,配体可以通过其与过渡金属原子(A-1)键合,和(B)铝氧烷。 过渡金属化合物在有机溶剂中用(C)有机金属化合物或(D)元素周期表第III,IV或V族元素的含卤素的无机化合物进行预处理。

    Cycloolefin resin composition
    4.
    发明授权

    公开(公告)号:US5585433A

    公开(公告)日:1996-12-17

    申请号:US431012

    申请日:1995-04-28

    IPC分类号: C08L23/08 C08L65/00 C08L77/00

    CPC分类号: C08L65/00 C08L23/08 C08L77/00

    摘要: The cycloolefin resin compositions of the present invention comprise:[A] cycloolefin resin selected from (a-1) a cycloolefin random copolymer having recurring units derived from a cycloolefin of a specific structure, (a-2) a ring opening (co)polymer of the cycloolefin, (a-3) a hydrogenation product of the ring opening (co)polymer and (a-4) a graft-modified product of the random copolymer (a-1), the ring opening (co)polymer (a-2) and the hydrogenation product thereof (a-3);[B] at least one of (b-1) an unmodified elastomer, (b-2) a modified elastomer, (b-3) an unmodified crystalline polyolefin and (b-4) a modified crystalline polyolefin; and[C] a polyamide resin. Molded products formed from these cycloolefin resin compositions are excellent particularly in resistance to greases.

    Olefin polymerization catalyst component, process for production
thereof, olefin polymerization catalyst, and process for polymerizing
olefins
    5.
    发明授权
    Olefin polymerization catalyst component, process for production thereof, olefin polymerization catalyst, and process for polymerizing olefins 失效
    烯烃聚合催化剂组分,其制备方法,烯烃聚合催化剂和烯烃聚合方法

    公开(公告)号:US5247031A

    公开(公告)日:1993-09-21

    申请号:US606628

    申请日:1990-10-31

    IPC分类号: C08F10/00

    CPC分类号: C08F10/00 Y10S526/904

    摘要: A catalyst component (X") obtained by treating an olefin polymerization catalyst (X) formed from (A) a solid titanium catalyst component comprising magnesium, titanium, halogen and an electron donor as essential ingredients, (B) an organoaluminum compound catalyst component, and as required, (C) an electron donor with an alpha-olefin by preliminarily polymerizing the alpha-olefin in an amount of 0.1 to 500 g per gram of the solid titanium catalyst component (A) in the presence of said catalyst (X), and contacting the treated catalyst (X') with at least 0.1 mole, per gram-atom of titanium in the treated catalyst (X'), of oxygen. A process for producing the olefin polymerization catalyst component. A catalyst (Y) for olefin polymerization formed from [I] the above catalyst component (X"), [II] an organoaluminum compound catalyst component and as required [III] an electron donor. Also provided is a process for polymerizing olefins in the presence of the olefin polymerization catalyst (Y).

    摘要翻译: 通过处理由(A)包含镁,钛,卤素和电子给体的固体钛催化剂组分形成的烯烃聚合催化剂(X)获得的催化剂组分(X“)作为必要成分,(B)有机铝化合物催化剂组分 和(C)通过在所述催化剂(X)存在下,每克固体钛催化剂组分(A)预先聚合0.1至500g的α-烯烃的聚合方法,(C)具有α-烯烃的电子给体 ),并且使经处理的催化剂(X')与经处理的催化剂(X')中的每克原子钛至少0.1摩尔的氧接触。 一种生产烯烃聚合催化剂组分的方法。 由[I]上述催化剂组分(X“),[II]有机铝化合物催化剂组分和所需的[III]电子给体形成的用于烯烃聚合的催化剂(Y)。 还提供了在烯烃聚合催化剂(Y)存在下使烯烃聚合的方法。

    Ethylene random copolymers
    6.
    发明授权
    Ethylene random copolymers 失效
    乙烯无规共聚物

    公开(公告)号:US5218071A

    公开(公告)日:1993-06-08

    申请号:US900784

    申请日:1992-06-22

    摘要: In accordance with the present invention, there are provided ethylene copolymers composed of structural units (a) derived from ethylene and structural units (b) derived from .alpha.-olefin of 3.about.20 carbon atoms, said ethylene copolymers having[A] a density of 0.85.about.0.92 g/cm.sup.3,[B] an intrinsic viscosity [.eta.] as measured in decalin at 135.degree. C. of 0.1.about.10 dl/g,[C] a ratio (Mw/Mn) of a weight average molecular weight (Mw) to a number average molecular weight (Mn) as measured by GPC of 1.2.about.4, and[D] a ratio (MFR.sub.10 /MFR.sub.2) of MFR.sub.10 under a load of 10 kg to MFR.sub.2 under a load of 2.16 kg at 190.degree. C. of 8.about.50, and being narrow in molecular weight distribution and excellent in flowability.

    摘要翻译: 根据本发明,提供由乙烯衍生的结构单元(a)和衍生自碳原子数3〜20的α-烯烃的结构单元(b)组成的乙烯共聚物,所述乙烯共聚物的[A]密度为 0.85差异0.92g / cm 3,[B]在135℃的十氢化萘中测得的特性粘度η为0.1Dd / g,[C]重均分子的比率(<上升&Mw /<上升& 重量(&Upbar&Mw)与通过1.2差聚差4的GPC测定的数均分子量(& upbar&Mn)和[D]在负载为10kg时MFR10的MFR 10与MFR 2的比(MFR 10 / MFR 2)在2.16 kg,在190℃为8分钟,分子量分布窄,流动性好。

    Process and catalyst composition for producing olefin polymers
    7.
    发明授权
    Process and catalyst composition for producing olefin polymers 失效
    用于生产烯烃聚合物的方法和催化剂组合物

    公开(公告)号:US5075396A

    公开(公告)日:1991-12-24

    申请号:US331221

    申请日:1989-03-31

    CPC分类号: C08F10/00

    摘要: A process for producing a polymer or copolymer of an olefin which comprises polymerizing or copolymerizing at least one olefin with or without a diolefin in the presence of a catalyst composed of (A) a magnesium-containing solid titanium catalyst component containing magnesium, titanium, a halogen and an electron donor as essential ingredients and (B) an organoaluminum compound catalyst component; characterized in that(1) said catalyst further comprises (C) an organic silicon compound catalyst component having an Si--O--C or Si--N--C bond, and(2) said electron donor in the catalyst component (A) is a cyclic mono- or poly-ester such as diethyl furane-3,4-dicarboxylate, di-n-butyl 3,4-dihydro-2H-pyrane-5,6-dicarboxylate, di-isobutyl pyrrole-2,3-dicarboxylic, di-n-butyl thiophene-2,3-dicarboxylate, n-octyl pyrrolidine-2,3-dicarboxylate, and so on.

    Cyclo-olefinic random copolymer, olefinic random copolymer, and process
for producing cyclo-olefinic random copolymers

    公开(公告)号:US5008356A

    公开(公告)日:1991-04-16

    申请号:US359131

    申请日:1989-05-31

    摘要: A cyclo-olefinic random copolymer composed of an alpha-olefin component having 3 to 20 carbon atoms and a cyclo-olefin component,(i) said copolymer containing 5 to 99 mole % of recurring units derived from said alpha-olefin component having 3 to 20 carbon atoms and 1 to 95 mole % of recurring units derived from said cyclo-olefin component, and(ii) said copolymer having an intrinsic viscosity [.eta.], measured in decalin at 135.degree. C., of from 0.01 to 10 dl/g; and an olefinic random copolymer composed of (A) an olefin component having 3 to 20 carbon atoms and (B) a cyclic polyene component and as required, (C) a cyclo-olefin component,(i) said copolymer containing 5 to 99 mole % of recurring units derived from said alpha-olefin component (A) having 3 to 20 carbon atoms and 1 to 95 mole % of recurring units derived from said cyclic polyene component (B) and 0 to 90 mole % of recurring units derived from said cyclo-olefin component (C), and(ii) said copolymer having an intrinsic viscosity [.eta.], measured in decalin at 135.degree. C., of from 0.01 to 10 dl/g; and a process for production thereof. Also provided is a process for producing a cyclo-olefinic random copolymer, which comprises copolymerizing an alpha-olefin and a cyclo-olefin in the presence of a catalyst formed from(A) a compound of a transition metal of Group IVB of the periodic table having as a ligand a multidentate coordination compound in which at least two conjugated cycloalkadienyl groups or substituted products thereof are bonded via a lower alkylene group, and(B) an aluminoxane.

    Process for polymerizing .alpha.-olefins containing at least 3 carbon
atoms and catalyst therefor
    10.
    发明授权
    Process for polymerizing .alpha.-olefins containing at least 3 carbon atoms and catalyst therefor 失效
    用于聚合含有至少3个碳原子的α-烯烃和其催化剂的方法

    公开(公告)号:US4221894A

    公开(公告)日:1980-09-09

    申请号:US951973

    申请日:1978-10-16

    摘要: A process for polymerizing or copolymerizing .alpha.-olefins having at least 3 carbon atoms or copolymerizing .alpha.-olefins having at least 3 carbon atoms with not more than 50 mole % of ethylene in the presence of a catalyst composed of an organometallic compound of a metal of Groups I to III of the periodic table and a titanium catalyst component supported on a halogen-containing magnesium compound, said titanium catalyst component being a solid reaction product obtained by treating (i) a mechanically copulverized product of a halogen-containing compound and an organic acid ester with (ii) an organo-metallic compound of a metal of Groups I to III of the periodic table, and then reacting the resulting solid product with (iii) a titanium compound in the absence of mechanical pulverization.

    摘要翻译: 在具有至少3个碳原子的α-烯烃或具有至少3个碳原子的α-烯烃与不超过50摩尔%的乙烯的聚合或共聚的催化剂的存在下,在由金属的有机金属化合物 元素周期表的I至III族和负载在含卤素的镁化合物上的钛催化剂组分,所述钛催化剂组分是通过处理(i)含卤素化合物和有机物的机械共缩合产物得到的固体反应产物 酸酯与(ⅱ)元素周期表第I至III族金属的有机金属化合物反应,然后在没有机械粉碎的情况下使得到的固体产物与(ⅲ)钛化合物反应。