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    Process for preparing polyolefins
    2.
    发明公开
    Process for preparing polyolefins 失效
    制备聚烯烃的方法

    公开(公告)号：EP0581611A3

    公开(公告)日：1994-07-06

    申请号：EP93306063.4

    申请日：1993-07-30

    申请人： NIPPON OIL Co. Ltd.

    发明人： Shiraishi, Takeichi ,  Matsuura, Kazuo ,  Kamiishi, Hirohumi

    IPC分类号： C08F4/656 ,  C08F10/00

    CPC分类号： C08F10/00 ,  C08F4/6567

    摘要： A process for preparing a polyolefin high in bulk density, narrow in particle size distribution, superior in fluidity and with no formation of coarse particles is provided. In a process of preparing a polyolefin by homopolymerzing or copolymerizing an olefin or olefins in the presence of a catalyst containing a solid catalyst component and an organometallic compound as essential components, there is used as the said solid catalyst component a material obtained by contacting the following components [A], [B] and [C] with one another :
    [A] a reaction product resulting from a contact reaction of a magnesium halide and a titanium compound represented by the general formula Ti(OR 1 ) 4 where R 1 is a hydrocarbon group having 1 to 20 carbon atoms ; [B] a reaction product resulting from a contact reaction of an aluminum halide and silicon compound represented by the general formula Si(OR 2 ) 4 where R 2 is a hydrocarbon group having 1 to 20 carbon atoms ; and [C] an organoaluminum compound represented by the general formula AIR 3 n X 3-n where R 3 is a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom and n is 0

    Process for preparing ultra-high molecular weight polyethylene
    4.
    发明公开
    Process for preparing ultra-high molecular weight polyethylene 失效
    制备超高分子量聚乙烯的方法

    公开(公告)号：EP0349146A3

    公开(公告)日：1991-04-17

    申请号：EP89305952.7

    申请日：1989-06-13

    申请人： NIPPON OIL CO. LTD.

    发明人： Shiraishi, Takeichi ,  Uchida, Wataru ,  Matsuura, Kazuo

    IPC分类号： C08F4/655 ,  C08F10/02

    CPC分类号： C08F10/02 ,  C08F4/6555

    摘要： An ultra-high molecular weight is prepared by polymerizing ethylene in the presence of a catalyst comprising a solid catalyst component and an organo­metallic compound, characterized in that said solid catalyst component is a product obtained by contacting the following (1), (2) and (3) with an another:
    (1) an oxygen-containing inorganic compound of magnesium; (2) an aluminum halide etherate represented by the general formula AlX₃·OR¹R² wherein X is a halogen atom, R¹ and R² are each independently a hydrocarbon group having 1 to 8 carbon atoms; and (3) a titanium compound represented by the general formula Ti(OR³)₄ wherein R³ is a hydrocarbon group having 1 to 20 carbon atoms.

    Process for preparing polyolefins
    5.
    发明公开
    Process for preparing polyolefins 失效
    Verfahren zur Herstellung von聚烯烃。

    公开(公告)号：EP0409563A2

    公开(公告)日：1991-01-23

    申请号：EP90307804.6

    申请日：1990-07-17

    申请人： NIPPON OIL CO. LTD.

    发明人： Sano, Akira ,  Shiraishi, Takeichi ,  Suzuki, Kunihiro ,  Okamoto, Mitsuo ,  Matsuura, Kazuo

    IPC分类号： C08F10/00 ,  C08F4/657 ,  C08F4/658 ,  C08F4/68 ,  C08F4/685

    CPC分类号： C08F10/00 ,  C08F4/6567 ,  C08F4/685 ,  C08F4/6576 ,  C08F4/6555

    摘要： Polyolefins exhibiting better particle properties are prepared by polymerizing an olefin or olefins in the presence of a catalyst comprising a solid catalyst component and an organometallic compound, the said solid catalyst component being prepared by reacting the following components [I] and [II] at first and then reacting the reaction product thus obtained with the following component [III]:

    [I] a reaction product obtained by reacting:

    (1) a silicon oxide and/or an aluminum oxide, and
    (2) a titanium compound, or a titanium compound and a vanadium compound,

    [II] a reaction product obtained by the reaction of:

    (1) a magnesium halide,
    (2) a compound represented by the general formula Me(OR) n X z-n wherein Me represents an element of J Groups I to IV in the Periodic Table, z represents the valence of the element Me, n is 0
    (3) a titanium compound, or a titanium compound and a vanadium compound; and

    [III] an organoaluminum compound.

    摘要翻译： 通过在包含固体催化剂组分和有机金属化合物的催化剂存在下聚合烯烃或烯烃来制备表现出更好颗粒性能的聚烯烃，所述固体催化剂组分首先通过以下组分[I]和[II]反应制备 然后使由此获得的反应产物与以下组分[III]反应：[I]通过使以下物质反应获得的反应产物：（1）氧化硅和/或氧化铝，和（2）钛化合物或钛 化合物和钒化合物，[II]通过以下反应获得的反应产物：（1）卤化镁，（2）由通式Me（OR）nXz-n表示的化合物，其中Me表示J基团的元素 I至IV在元素周期表中，z表示元素Me的化合价，n为0

    Process for preparing ultrathigh molecular weight polyethylene
    6.
    发明公开
    Process for preparing ultrathigh molecular weight polyethylene 失效
    Verfahren zur Herstellung eines Polyethylens mit ultrahemhem Molekulargewicht。

    公开(公告)号：EP0317200A1

    公开(公告)日：1989-05-24

    申请号：EP88310652.8

    申请日：1988-11-11

    申请人： NIPPON OIL CO. LTD.

    发明人： Shiraishi, Takeichi ,  Uchida, Wateru ,  Matsuura, Kazuo

    IPC分类号： C08F10/02 ,  C08F4/64

    CPC分类号： C08F110/02 ,  C08F10/02 ,  C08F4/6367 ,  C08F2500/01 ,  C08F2500/18 ,  C08F2500/24

    摘要： A process for preparing an ultra-high molecular weight polyethylene by the polymerization of ethylene using a catalyst comprising a solid catalyst component and an organometallic compound, characterized in that said solid catalyst component is a product obtained by contacting the following [A] and [B] together:

    [A] the reaction product of a magnesium dihalide and a titanium compound represented by the general formula Ti(OR)₄ wherein R is a hydrocarbon group having 1 to 20 carbon atoms;
    [B] the reaction product of an aluminum trihalide and a silicon compound represented by the general formula Si(OR′)₄ wherein R′ is a hydrocarbon group having 1 to 20 carbon atoms.

    摘要翻译： 一种通过使用包含固体催化剂组分和有机金属化合物的催化剂通过乙烯聚合制备超高分子量聚乙烯的方法，其特征在于所述固体催化剂组分是通过使以下[A]和[B ] [A]二卤化镁与由通式Ti（OR）4表示的钛化合物的反应产物，其中R是具有1至20个碳原子的烃基; [B]三卤化铝与由通式Si（OR min）4表示的硅化合物的反应产物，其中R min是具有1至20个碳原子的烃基。 p

    Process for preparing polyolefins
    8.
    发明公开
    Process for preparing polyolefins 失效
    Verfahren zur Herstellung von聚烯烃。

    公开(公告)号：EP0493118A2

    公开(公告)日：1992-07-01

    申请号：EP91312030.9

    申请日：1991-12-24

    申请人： NIPPON OIL CO., LTD.

    发明人： Sano, Akira ,  Shimizu, Hiroyuki ,  Shiraishi, Takeichi ,  Suzuki, Kunihiro ,  Matsuura, Kazuo

    IPC分类号： C08F10/00 ,  C08F4/656 ,  C08F4/657 ,  C08F4/685

    CPC分类号： C08F10/00 ,  C08F210/16 ,  C08F4/685 ,  C08F4/6567 ,  C08F4/6586 ,  C08F210/08 ,  C08F2500/18 ,  C08F2500/12

    摘要： A polyolefin superior in particle properties, for example, having an extremely high bulk density, a large average particle diameter and a narrow particle size distribution, and narrow in molecular weight distribution, is obtained in high yield, by polymerisation of an olefin using a catalyst comprising a solid catalyst component and an organometallic compound, the solid catalyst component being prepared by reacting (1) a reaction product obtained by reacting the reaction product of Si oxide and/or A1 oxide and a Ti compound, or a Ti compound and a V compound (Ti.V component) with an organoaluminium compound, with (2) a reaction product obtained by the reaction of a Mg halide, with a compound of the general formula Me(OR) n X z-n where Me represents an element of Groups I to IV, z represents the valence of the element Me, n is O a R² b R³ c Si(OR⁴) d X 4-(a+b+c+d) wherein R¹, R², R³ and R⁴ may be the same or different and are each a hydrocarbon radical having 1 to 20 carbon atoms, X is a halogen atom and a,b,c and d are O ≦ a

    摘要翻译： 通过使用催化剂聚合烯烃，可以高收率地得到粒子特性优异的聚烯烃，例如具有非常高的堆积密度，大的平均粒径和窄的粒度分布以及窄的分子量分布。 包括固体催化剂组分和有机金属化合物，所述固体催化剂组分通过使（1）通过使Si氧化物和/或氧化铝的反应产物与Ti化合物或Ti化合物反应获得的反应产物或V化合物 化合物（Ti.V组分）与有机铝化合物，（2）通过卤化镁反应获得的反应产物与通式Me（OR）n X z-n的化合物，其中Me表示I族元素 至IV，z表示元素Me的化合价，n为O