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    .alpha.-olefin polymers, .alpha.-olefin-polymerizing catalyst and process for producing .alpha.-olefin polymers
    3.
    发明授权
    .alpha.-olefin polymers, .alpha.-olefin-polymerizing catalyst and process for producing .alpha.-olefin polymers 失效
    α-烯烃聚合物，α-烯烃聚合催化剂和生产α-烯烃聚合物的方法

    公开(公告)号：US6103841A

    公开(公告)日：2000-08-15

    申请号：US841646

    申请日：1997-04-30

    申请人： Takeshi Ebara ,  Koji Mizunuma ,  Toshio Sasaki ,  Kazuki Wakamatsu ,  Junichi Kimura ,  Yoichi Obata

    发明人： Takeshi Ebara ,  Koji Mizunuma ,  Toshio Sasaki ,  Kazuki Wakamatsu ,  Junichi Kimura ,  Yoichi Obata

    IPC分类号： C08F4/58 ,  C08F4/645 ,  C08F4/658 ,  C08F10/00 ,  C08F110/06

    CPC分类号： C08F110/06 ,  C08F10/00

    摘要： An .alpha.-olefin polymer well balanced between stiffness, stickiness, processability, etc., which intrinsic viscosity [.eta.] is in the range of from 0.5 to 10 and which 20.degree. C. xylene-soluble fraction (CXS) content (% by weight) and 105.degree. C. xylene-insoluble fraction (XIS) content (% by weight) satisfy a condition of XIS.ltoreq.70.00-3.64CXS, provided that CXS is not smaller than 0 and not greater than 15; a specified .alpha.-olefin polymerizing catalyst for producing the polymer; a process for producing the polymer using the specified .alpha.-olefin polymerizing catalyst; a polypropylene for use in the production of a biaxially oriented film excellent in stretchability and satisfying the conditions (1)-(3) mentioned below; and a biaxially oriented film excellent in stiffness and dimensional stability obtained by stretching the polypropylene:(1) the content of 20.degree. C. xylene-soluble fraction (CXS) is 3.5% by weight or less,(2) the content of 20.degree. C. xylene-soluble fraction (CXS, % by weight) and the content of 105.degree. C. xylene-insoluble fraction (XIS, % by weight) satisfy the following condition:XIS.ltoreq.70.00-3.64CXS,and(3) melt flow rate (MFR) at 230.degree. C. is from 0.5 to 10.0 g/10 minutes.

    摘要翻译： 一种在硬度，粘性，加工性等方面均衡的α-烯烃聚合物，其特性粘度η在0.5至10的范围内，20℃的二甲苯可溶级分（CXS）含量（重量％ ）和105℃，二甲苯不溶级分（XIS）含量（重量％）满足XIS≤70.00-3.64CXS的条件，条件是CXS不小于0且不大于15; 用于制备聚合物的特定的α-烯烃聚合催化剂; 使用特定的α-烯烃聚合催化剂制备聚合物的方法; 用于制造拉伸性优异且满足下述条件（1） - （3）的双轴取向膜的聚丙烯; 和通过拉伸聚丙烯获得的刚性和尺寸稳定性优异的双轴取向膜：（1）20℃二甲苯可溶级分（CXS）的含量为3.5重量％以下，（2）20℃的含量 C.二甲苯可溶级分（CXS，重量％）和105℃二甲苯不溶级分（XIS，重量％）的含量满足下列条件：XIS = 70.00-3.64CXS，（3） 230℃下的熔体流动速率（MFR）为0.5〜10.0g / 10分钟。

    Process for producing ethylene-propylene block copolymer
    4.
    发明授权
    Process for producing ethylene-propylene block copolymer 失效
    生产乙烯 - 丙烯嵌段共聚物的方法

    公开(公告)号：US5449738A

    公开(公告)日：1995-09-12

    申请号：US907017

    申请日：1992-07-01

    申请人： Hiroyuki Koura ,  Takeshi Ebara ,  Kazuki Wakamatsu ,  Shouzou Kawamata ,  Yoshizumi Sasaki

    发明人： Hiroyuki Koura ,  Takeshi Ebara ,  Kazuki Wakamatsu ,  Shouzou Kawamata ,  Yoshizumi Sasaki

    IPC分类号： C08F2/34 ,  C08F4/60 ,  C08F4/658 ,  C08F297/08

    CPC分类号： C08F297/083

    摘要： The present invention relates to a process for producing ethylene propylene block copolymers excellent in appearance, elongation and impact resistance when molded by a gas phase polymerization which can be conducted in a stable manner.The process of the present invention comprises the first step of polymerizing propylene by using a catalyst system composed essentially of(A) a solid catalyst component containing magnesium, titanium, and a halogen as the indispensable ingredients,(B) an organoaluminum compound, and(C) a silicon compound represented by the formula R.sup.1 R.sup.2 Si(OR.sup.3).sub.2, wherein R.sup.1 is an alicyclic hydrocarbon group and R.sup.2 and R.sup.3 are each a hydrocarbon group, to form a propylene homopolymer, and the second step of then polymerizing ethylene and propylene with further addition of a silicon compound represented by the formula R.sup.4 R.sup.5.sub.a Si(OR.sup.6).sub.3-a, wherein R.sup.4 is an aromatic hydrocarbon group, R.sup.5 is a hydrocarbon group or an aromatic hydrocarbon group, and a is a number satisfying the equation 0.ltoreq.a

    摘要翻译： 本发明涉及一种生产乙烯丙烯嵌段共聚物的方法，该共聚物通过可以以稳定的方式进行的气相聚合成型而具有优异的外观，伸长率和耐冲击性。 本发明的方法包括通过使用主要由（A）含有镁，钛和卤素的固体催化剂组分作为不可或缺的成分组成的催化剂体系聚合丙烯的第一步骤，（B）有机铝化合物和（ C）由式R 1 R 2 Si（OR 3）2表示的硅化合物，其中R 1是脂环族烃基，R 2和R 3各自是烃基，以形成丙烯均聚物，然后第二步再进一步聚合乙烯和丙烯 添加由式R 4 R 5 a Si（OR 6）3-a表示的硅化合物，其中R 4是芳族烃基，R 5是烃基或芳族烃基，a是满足式0的数< 3，形成乙烯 - 丙烯共聚物。

    Process for producing ethylene-propylene block copolymer
    5.
    发明授权
    Process for producing ethylene-propylene block copolymer 失效
    生产乙烯 - 丙烯嵌段共聚物的方法

    公开(公告)号：US5473021A

    公开(公告)日：1995-12-05

    申请号：US176917

    申请日：1994-01-03

    申请人： Hiroyuki Koura ,  Takeshi Ebara ,  Kazuki Wakamatsu ,  Shozo Kawamata ,  Yoshizumi Sasaki

    发明人： Hiroyuki Koura ,  Takeshi Ebara ,  Kazuki Wakamatsu ,  Shozo Kawamata ,  Yoshizumi Sasaki

    IPC分类号： C08F4/658 ,  C08F4/60 ,  C08F4/654 ,  C08F4/80 ,  C08F210/16 ,  C08F297/08

    CPC分类号： C08F297/083

    摘要： A process for producing ethylene-propylene block copolymer which comprises(1) The first step of reacting propylene or a mixture of propylene and ethylene in the presence of a catalyst composed essentially of(A) a solid catalyst component containing magnesium, titanium and a halogen as the indispensable ingredients,(B) an organoaluminum compound, and(C) a silicon compound (1) represented by the formula R.sup.1 R.sup.2 Si(OR.sup.3).sub.2, wherein R.sup.1 is an alicyclic hydrocarbon group of 5-20 carbon atoms and R.sup.2 and R.sup.3 are each independently a hydrocarbon group of 1-20 carbon atoms, to form a propylene homopolymer portion or an ethylene-propylene copolymer portion having an ethylene content of 3% by weight or less, in an amount corresponding to 50-95% by weight of the total block copolymer amount, and(2) the second step of reacting a mixture of ethylene and propylene with the polymer portion obtained in the first step in the presence of the aforesaid catalyst composed essentially of the components (a), (b) and (c) and in the additional presence of a silicon compound (2) represented by the formula R.sup.4.sub.a Si(OR.sup.5).sub.4-a, wherein R.sup.4 and R.sup.5 are each independently a hydrocarbon group of 1-20 carbon atoms and a is a number satisfying the equation 0.ltoreq.a

    摘要翻译： 一种生产乙烯 - 丙烯嵌段共聚物的方法，其包括（1）在主要由（A）含有镁，钛和卤素的固体催化剂组分的催化剂存在下使丙烯或丙烯与乙烯的混合物反应的第一步骤 作为不可或缺的成分，（B）有机铝化合物和（C）由式R 1 R 2 Si（OR 3）2表示的硅化合物（1），其中R 1是5-20个碳原子的脂环族烃基，R 2和R 3是 各自独立地是1-20个碳原子的烃基，以形成丙烯均聚物部分或乙烯含量为3重量％以下的乙烯 - 丙烯共聚物部分，其量相当于所述乙烯含量的50-95重量％ 总共嵌段共聚物量，和（2）在上述主要由组分（a），（b）组成的催化剂存在下，使乙烯和丙烯的混合物与第一步获得的聚合物部分反应的第二步骤， 和（c），另外存在由式R4aSi（OR5）4-a表示的硅化合物（2），其中R4和R5各自独立地为1-20个碳原子的烃基，a为满足 方程式0 <= a <4，得到乙烯 - 丙烯嵌段共聚物，其含有乙烯含量为至少20重量％的乙烯 - 丙烯共聚物部分，其量相当于5-50重量％ 总嵌段共聚物量。

    Stretched polypropylene film
    6.
    发明授权
    Stretched polypropylene film 有权
    拉伸聚丙烯薄膜

    公开(公告)号：US06835791B2

    公开(公告)日：2004-12-28

    申请号：US10314132

    申请日：2002-12-09

    申请人： Takeshi Ebara ,  Kazuki Wakamatsu

    发明人： Takeshi Ebara ,  Kazuki Wakamatsu

    IPC分类号： C08F21006

    CPC分类号： C08J5/18 ,  B29C55/005 ,  B29C55/143 ,  B29K2023/12 ,  C08J2323/14 ,  C08L23/142 ,  C08L2205/02 ,  C08L2666/06

    摘要： Disclosed is a stretched film excellent in low-temperature heat sealability after corona treatment as well as that before corona treatment and/or in heat shrinkability, the stretched film being comprised of a layer comprising a copolymer of propylene with &agr;-olefin and/or ethylene such that in measurement of a DSC curve the amount of the heat absorbed in the temperature range of from T−10 (° C.) to T+10 (° C.) accounts for from 15 to 36% of the amount of the heat absorbed in the temperature range of from 53 to 170° C., wherein T denotes a temperature (° C.) at which a maximum endothermic peak appears in the DSC curve.

    摘要翻译： 公开了一种在电晕处理后以及在电晕处理和/或热收缩之前的低温热封性优异的拉伸膜，拉伸膜由包含丙烯与α-烯烃和/或乙烯的共聚物的层组成 使得在DSC曲线的测量中，在T-10（℃）至T + 10（℃）的温度范围内吸收的热量占热量的15至36％ 在53至170℃的温度范围内吸收，其中T表示在DSC曲线中出现最大吸热峰的温度（℃）。

    PROPYLENE-ETHYLENE-BUTENE BLOCK COPOLYMER AND MOLDED ARTICLE THEREOF
    8.
    发明申请
    PROPYLENE-ETHYLENE-BUTENE BLOCK COPOLYMER AND MOLDED ARTICLE THEREOF 有权
    丙烯 - 乙烯 - 嵌段共聚物及其成型品

    公开(公告)号：US20100197865A1

    公开(公告)日：2010-08-05

    申请号：US12064647

    申请日：2006-08-29

    申请人： Hideki Oshima ,  Takashi Sanada ,  Kazuki Wakamatsu

    发明人： Hideki Oshima ,  Takashi Sanada ,  Kazuki Wakamatsu

    IPC分类号： C08F255/04

    CPC分类号： C08F297/08 ,  C08F297/083 ,  C08L23/12 ,  C08L53/00 ,  C08L2666/06

    摘要： A propylene-ethylene-butene block copolymer is provided which includes from 60 to 85% by weight of a polypropylene portion and from 15 to 40% by weight of a propylene-ethylene-butene random copolymer portion, wherein the copolymer satisfies the requirements (1) and (2) given below. In addition, a molded article including such a propylene-ethylene-butene block copolymer is provided. (1) The random copolymer portion includes a propylene-ethylene random copolymer component (EP) and a propylene-ethylene-butene random copolymer component (EPB) and the copolymer component (EP) has an intrinsic viscosity of from 1.5 to 8 dl/g and an ethylene unit content of from 20 to 50% by weight, and the copolymer component (EPB) has an intrinsic viscosity of from 0.5 to 8 dl/g, an ethylene unit content of from 47 to 77% by weight and a butene unit component of from 3 to 33% by weight and the total of the ethylene unit content and the butene unit content is from 50 to 80% by weight. (2): The propylene-ethylene-butene block copolymer has a melt flow rate of from 5 to 120 g/10 min.

    摘要翻译： 提供了丙烯 - 乙烯 - 丁烯嵌段共聚物，其包含60至85重量％的聚丙烯部分和15至40重量％的丙烯 - 乙烯 - 丁烯无规共聚物部分，其中所述共聚物满足要求（1 ）和（2）给出。 此外，提供了包含这种丙烯 - 乙烯 - 丁烯嵌段共聚物的模塑制品。 （1）无规共聚物部分包括丙烯 - 乙烯无规共聚物组分（EP）和丙烯 - 乙烯 - 丁烯无规共聚物组分（EPB），共聚物组分（EP）的特性粘度为1.5至8dl / g 乙烯单元含量为20〜50重量％，共聚物成分（EPB）的特性粘度为0.5〜8dl / g，乙烯单元含量为47〜77重量％，丁烯单元 组分为3至33重量％，乙烯单元含量和丁烯单元含量的总和为50至80重量％。 （2）：丙烯 - 乙烯 - 丁烯嵌段共聚物的熔体流动速率为5〜120g / 10分钟。

    Method for feeding boron compounds, fine particles of boron compounds, catalyst components for the polymerization of olefins comprising them, and processes for the production of the particles
    9.
    发明授权
    Method for feeding boron compounds, fine particles of boron compounds, catalyst components for the polymerization of olefins comprising them, and processes for the production of the particles 有权
    硼化合物的供给方法，硼化合物的微粒，包含它们的烯烃聚合的催化剂成分，以及粒子的制造方法

    公开(公告)号：US06613850B1

    公开(公告)日：2003-09-02

    申请号：US09125518

    申请日：1998-11-23

    申请人： Hideki Sato ,  Hiroaki Katayama ,  Kazuki Wakamatsu

    发明人： Hideki Sato ,  Hiroaki Katayama ,  Kazuki Wakamatsu

    IPC分类号： C08F444

    CPC分类号： C07F5/027 ,  B01J21/02 ,  B01J31/14 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/6592 ,  C08F10/00 ,  C08F210/16 ,  C08F2420/02 ,  C08J5/18 ,  C08J2323/02 ,  C08F4/603 ,  C08F4/61908 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/08 ,  C08F210/08 ,  C08F2500/03 ,  C08F2500/02 ,  C08F2500/10

    摘要： A method for feeding a boron compound, which comprises feeding at least one boron compound selected from (1) to (3) described below in the state suspended or slurried in a solvent continuously to a reactor; a boron compound in the form of fine particles being one or more boron compounds selected from (1) to (3) described below and having a maximum particle diameter of 50 &mgr;m or less; a catalyst component for olefin polymerization consisting of said boron compound in the form of fine particles; a method for producing a boron compound in the form of fine particles which comprises dissolving one or more boron compounds selected from (1) to (3) described below in an aromatic hydrocarbon solvent and then precipitating in an aliphatic hydrocarbon solvent; and a method for producing a boron compound in the form of fine particles which comprises pulverizing one or more boron compounds selected from (1) to (3) described below so that their maximum particle diameter is 50 &mgr;m or less. (1) a boron compound represented by the general formula: BQ1Q2Q3, (2) a boron compound represented by the general formula: G+(BQ1Q2Q3Q4)−, and (3) a boron compound represented by the general formula: (L-H)+(BQ1Q2Q3Q4)−.

    摘要翻译： 一种硼化合物的供给方法，其特征在于，将至少一种选自下述（1）〜（3）的硼化合物以在溶剂中悬浮或浆化至反应器的状态; 微粒形式的硼化合物是选自下述（1）至（3）中并且最大粒径为50μm或更小的一种或多种硼化合物; 用于由细颗粒形式的所述硼化合物组成的用于烯烃聚合的催化剂组分; 一种制备细颗粒形式的硼化合物的方法，包括将一种或多种选自下述（1）至（3）的硼化合物溶解在芳烃溶剂中，然后在脂族烃溶剂中沉淀; 以及一种微细颗粒形式的硼化合物的制造方法，其中包括粉碎一种或多种选自下述（1）至（3）的硼化合物，使其最大粒径为50μm以下。 （1）由通式：BQ1Q2Q3表示的硼化合物，（2）由通式G +（BQ1Q2Q3Q4） - 表示的硼化合物，和（3）由通式（LH）+（ BQ1Q2Q3Q4） - 。

    Gas distributor for use in gas phase polymerization apparatus
    10.
    发明授权
    Gas distributor for use in gas phase polymerization apparatus 失效
    用于气相聚合装置的气体分配器

    公开(公告)号：US5381827A

    公开(公告)日：1995-01-17

    申请号：US157294

    申请日：1993-11-26

    申请人： Hiroyuki Koura ,  Yoshizumi Sasaki ,  Kazuki Wakamatsu ,  Kazuyuki Takemura

    发明人： Hiroyuki Koura ,  Yoshizumi Sasaki ,  Kazuki Wakamatsu ,  Kazuyuki Takemura

    IPC分类号： B01J8/44 ,  C08F2/34 ,  B01J8/20

    CPC分类号： C08F2/34 ,  B01J8/44 ,  Y10T137/85938

    摘要： For use in gas phase polymerization apparatus having an agitator in a fluidized bed polymerization reactor, the present invention provides a gas distributor which has holes, and caps covering the respective holes from above and each having an opening oriented in a substantially horizontal direction at an angle of about 90 to about 135 deg with, and outwardly of, a tangent to a circle centered about the center of the reactor whereby an increase in the gas solid ratio can be prevented in the region above the distributor to ensure efficient discharge of the polymer produced, and the polymer particles can be prevented from falling into a gas room thereunder.

    摘要翻译： 为了在流化床聚合反应器中具有搅拌器的气相聚合装置中使用，本发明提供了一种具有孔的气体分配器和从上方覆盖相应孔的盖，每个孔具有在大致水平方向上以一定角度定向的开口 约90度至约135度，并且向外以与​​反应器中心为中心的圆相切，从而可以在分配器上方的区域中防止气体固体比率的增加，以确保生产的聚合物的有效排放 ，并且可以防止聚合物颗粒落入其中的气室中。