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    Olefin polymerization catalyst component, process for production thereof, olefin polymerization catalyst, and process for polymerizing olefins
    32.
    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

    申请人： Mamoru Kioka ,  Masao Nakano ,  Akinori Toyota

    发明人： Mamoru Kioka ,  Masao Nakano ,  Akinori Toyota

    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。

    Polyolefin composition
    34.
    发明授权
    Polyolefin composition 失效
    聚烯烃组合物

    公开(公告)号：US4933393A

    公开(公告)日：1990-06-12

    申请号：US269576

    申请日：1988-11-10

    申请人： Akinori Toyota ,  Mamoru Kioka ,  Takeshi Shiraki ,  Kunie Hiroshige

    发明人： Akinori Toyota ,  Mamoru Kioka ,  Takeshi Shiraki ,  Kunie Hiroshige

    IPC分类号： C08L23/00 ,  C08F10/02 ,  C08L23/06

    CPC分类号： C08F10/02 ,  C08L23/06 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2308/00 ,  C08L2314/02 ,  Y02P20/52

    摘要： An injection-molding polyolefin composition suitable for obtaining an injection-molded article having excellent sliding property and excellent impact resistance and being free from delamination, said polyolefin composition being characterized in that(1) the composition consists substantially of an ultrahigh-molecular-weight polyolefin having an intrinsic viscosity of 10-40 dl/g as measured in decalin of 135.degree. C. and a low-molecular-weight to high-molecular-weight polyolefin having an intrinsic viscosity of 0.1-5 dl/g as measured in decalin of 135.degree. C.,(2) the ultrahigh-molecular-weight polyolefin is contained in the composition in an amount of 10-40% by weight based on the total weight of the ultrahigh-molecular-weight polyolefin and the low-molecular-weight to high-molecular-weight polyolefin,(3) the composition has an intrinsic viscosity [.eta.]c of 3.5-15 dl/g as measured in decalin of 135.degree. C.,(4) the composition has a melt torque T of 4.5 kg.cm or below, and(5) the section of the injection-molded square plate produced from the composition has a phase-separated structure composed of a continuous phase and a discontinuous phase and the average paticle diameter (average major axis length) of the discontinuous phase is 20 .mu.m or below.

    Process for polymerizing olefins and catalyst for polymerizing olefins
    38.
    发明授权
    Process for polymerizing olefins and catalyst for polymerizing olefins 失效
    烯烃聚合方法和烯烃聚合催化剂

    公开(公告)号：US5652303A

    公开(公告)日：1997-07-29

    申请号：US567876

    申请日：1995-12-06

    申请人： Naoshi Ishimaru ,  Mamoru Kioka ,  Akinori Toyota

    发明人： Naoshi Ishimaru ,  Mamoru Kioka ,  Akinori Toyota

    IPC分类号： C08F4/646 ,  C08F4/654 ,  C08F10/00 ,  C08F297/08 ,  C08F4/651

    CPC分类号： C08F297/08 ,  C08F10/00 ,  Y10S526/904

    摘要： A catalyst for polymerization of an olefin, said catalyst being 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[C] an electron donor catalyst component comprising at least two electron donors including an electron donor (1) and an electron donor (2), the MFR (a) of homopolypropylene obtained by using the electron donor (1) together with the solid titanium catalyst component [A] and the organoaluminum compound catalyst component [B] has the following relation to the MFR (b) of homopolypropylene obtained by using the electron donor (2) under the same polymerization conditions as in the case of using the electron donor (1)log [MFR (b)/MFR (a)].gtoreq.1.5.This catalyst can give an olefin polymer having a broad molecular weight. Also provided is a process for polymerizing or copolymerizing an olefin in the presence of the above catalyst.

    摘要翻译： 用于烯烃聚合的催化剂，所述催化剂由[A]包含镁，钛，卤素和电子给体的固体钛催化剂组分作为必要成分[B]有机铝化合物催化剂组分和[C] 供体催化剂组分，其包含至少两个包括电子给体（1）和电子给体（2）的电子给体，通过使用电子给体（1）与固体钛催化剂组分[A]获得的均聚丙烯的MFR（a） 有机铝化合物催化剂组分[B]与使用电子给体（2）在与使用电子给体（1）的情况相同的聚合条件下获得的均聚丙烯的MFR（b）与[MFR （b）/ MFR（a）]> = 1.5。该催化剂可以得到具有宽分子量的烯烃聚合物。 还提供了在上述催化剂存在下使烯烃聚合或共聚的方法。

    Process for polymerizing olefins and polymerization catalyst therefor
    39.
    发明授权
    Process for polymerizing olefins and polymerization catalyst therefor 失效
    烯烃聚合方法和聚合催化剂

    公开(公告)号：US5438110A

    公开(公告)日：1995-08-01

    申请号：US328568

    申请日：1994-10-24

    申请人： Naoshi Ishimaru ,  Mamoru Kioka ,  Akinori Toyota

    发明人： Naoshi Ishimaru ,  Mamoru Kioka ,  Akinori Toyota

    IPC分类号： C08F10/00 ,  C08F297/08 ,  C08F4/654

    CPC分类号： C08F297/08 ,  C08F10/00 ,  Y10S526/904 ,  Y10S526/916

    摘要： An olefin polymerization catalyst formed from (A) a solid titanium catalyst component containing magnesium, titanium and halogen as essential ingredients, (B) an organoaluminum compound, and (C) an organosilicon compound containing a cyclopentyl group, a cyclopentenyl group, a cyclopentadienyl group or a derivative derived from any of these groups.A polymerization process which comprises polymerizing or copolymerizing olefins in the presence of the olefin polymerization catalyst to form a homopolyolefin having high stereoregularity or a copolyolefin having a narrow composition distribution.

    摘要翻译： 由（A）含有镁，钛和卤素作为必要成分的固体钛催化剂组分形成的烯烃聚合催化剂，（B）有机铝化合物和（C）含有环戊基，环戊烯基，环戊二烯基的有机硅化合物 或衍生自任何这些组的衍生物。 一种聚合方法，其包括在烯烃聚合催化剂存在下聚合或共聚烯烃以形成具有高立构规整性的均聚烯烃或具有窄组成分布的共聚烯烃。

    Titanium catalyst components, process for preparing same, catalysts containing same for preparing ethylene polymers and process for preparing said ethylene polymers
    40.
    发明授权
    Titanium catalyst components, process for preparing same, catalysts containing same for preparing ethylene polymers and process for preparing said ethylene polymers 失效
    钛催化剂组分，其制备方法，含有制备乙烯聚合物的催化剂和制备所述乙烯聚合物的方法

    公开(公告)号：US5192731A

    公开(公告)日：1993-03-09

    申请号：US781667

    申请日：1991-10-23

    申请人： Mamoru Kioka ,  Kazumitsu Kawakita ,  Akinori Toyota

    发明人： Mamoru Kioka ,  Kazumitsu Kawakita ,  Akinori Toyota

    IPC分类号： C08F10/00

    CPC分类号： C08F10/00 ,  Y10S526/904

    摘要： In accordance with the present invention, there are provided carrier-supported titanium catalyst components containing magnesium, aluminum, halogen and titanium as essential ingredients, which are obtained by a reaction of[I] a magnesium containing support obtained by previously bringing a support into contact with an organometallic compound of a metal of the Group II to IIIA of the periodic table having at least one hydrocarbon group attached directly to the metal atom or with a halogen containing compound, followed by contact with a magnesium compound in the liquid state having no reducing ability,[II] a reducing organometallic compound, and[III] a titanium compound in the liquid state, and processes for preparing the same and, at the same time, catalysts containing the above-mentioned catalyst components for use in preparing ethylene polymer and processes for preparing ethylene polymer using the catalyst for use in preparing ethylene polymer.

    摘要翻译： 根据本发明，提供了含有镁，铝，卤素和钛作为必需成分的载体负载的钛催化剂组分，其通过[I]预先将载体接触获得的含镁载体与接触 与元素周期表第II至IIIA族金属的有机金属化合物具有至少一个直接连接到金属原子上的烃基或含卤素化合物，然后与不具有还原性的液态的镁化合物接触 能力，[II]还原性有机金属化合物和[III]液态钛化合物及其制备方法，同时使用含有上述用于制备乙烯聚合物的催化剂组分的催化剂和 使用用于制备乙烯聚合物的催化剂制备乙烯聚合物的方法。