利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

31 条记录 (耗时 0.014 秒)

    Propylene-ethylene copolymer having improved stretchability
    2.
    发明授权
    Propylene-ethylene copolymer having improved stretchability 失效
    具有改善的拉伸性的丙烯 - 乙烯共聚物

    公开(公告)号：US4414373A

    公开(公告)日：1983-11-08

    申请号：US399146

    申请日：1982-07-16

    申请人： Akinobu Shiga ,  Kiyoshi Matsuyama ,  Masahiro Kakugo ,  Yukio Naito ,  Seiichiro Ima ,  Katsuyoshi Yamashita

    发明人： Akinobu Shiga ,  Kiyoshi Matsuyama ,  Masahiro Kakugo ,  Yukio Naito ,  Seiichiro Ima ,  Katsuyoshi Yamashita

    IPC分类号： C08F4/00 ,  C08F2/00 ,  C08F4/60 ,  C08F4/64 ,  C08F10/00 ,  C08F10/06 ,  C08F210/00 ,  C08F210/06 ,  C08F210/16

    CPC分类号： C08F210/06

    摘要： In a process for producing polypropylene comprising polymerizing propylene in the presence of hydrogen and a catalyst system comprising (A) titanium trichloride obtained by reducing titanium tetrachloride with an organoaluminum compound and reacting the reduced solid with an ether represented by the formula:R.sup.1 --O--R.sup.2wherein R.sup.1 and R.sup.2 are defined hereinbefore, and a halogen compound selected from the group consisting of (i) halogen or interhalogen compounds of the formula, X.sup.1 X.sup.2.sub.a (wherein X.sup.1, X.sup.2 and a are defined hereinbefore), (ii) titanium halides, and (iii) organic halogen compounds, simultaneously or successively and (B) an organoaluminum compound, the improvement which comprises supplying ethylene together with propylene to the polymerization system such that the ethylene concentration in the vapor phase of the system based on the total amount of propylene, ethylene and hydrogen in the vapor phase of the system is 0.15 to 1.5 mol % to obtain a propylene-ethylene copolymer having an ethylene content of from 0.1 to 1.0 wt % is disclosed. The propylene-ethylene copolymer is improved in stretchability.

    摘要翻译： 在制备聚丙烯的方法中，包括在氢气存在下聚合丙烯和催化剂体系，所述催化剂体系包含（A）通过用有机铝化合物还原四氯化钛获得的三氯化钛，并将还原的固体与由下式表示的醚反应：R1-O- 其中R 1和R 2如上定义，卤素化合物选自（ⅰ）卤素或下式的卤代化合物：X1X2a（其中X1，X2和a定义如前），（ⅱ）卤化钛和 （iii）有机卤素化合物，同时或相继和（B）有机铝化合物，其改进包括将乙烯与丙烯一起供应到聚合体系中，使得基于丙烯总量的体系的气相中的乙烯浓度 ，系统的气相中的乙烯和氢为0.15〜1.5摩尔％，得到丙烯 - 乙烯共聚物 公开了乙烯含量为0.1〜1.0重量％。 丙烯 - 乙烯共聚物的拉伸性提高。

    Polypropylene multi-layer film
    4.
    发明授权
    Polypropylene multi-layer film 失效
    聚丙烯多层膜

    公开(公告)号：US4769284A

    公开(公告)日：1988-09-06

    申请号：US854803

    申请日：1986-04-23

    申请人： Masahiro Kakugo ,  Seiichiro Ima ,  Tatsuya Miyatake ,  Hiroyuki Harada

    发明人： Masahiro Kakugo ,  Seiichiro Ima ,  Tatsuya Miyatake ,  Hiroyuki Harada

    IPC分类号： C08L23/00 ,  B32B27/32 ,  C08L7/00 ,  C08L21/00 ,  C08L23/14 ,  C08L23/16 ,  C08L101/00 ,  B32B27/00

    CPC分类号： B32B27/32 ,  Y10T428/2826 ,  Y10T428/31913

    摘要： A polypropylene multi-layer film which comprises a substrate layer formed of crystalline polypropylene and a composition laminated on at least one side of said substrate layer, said composition comprising 70 to 95% by weight of (A) a crystalline propylene-ethylene copolymer having an ethylene content of 1.5 to 6.0% by weight and/or a crystalline propylene-.alpha.-olefin copolymer having a propylene content of 80 to 98% by weight, a butene-1 content of 2 to 20% by weight, and an ethylene content of 0 to 5% by weight, and 5 to 30% by weight of (B) a crystalline propylene-butene-1 copolymer which is a copolymer obtained by decomposing a crystalline propylene-butene-1 copolymer having a butene-1 content of 25 to 45% by weight, an intrinsic viscosity of 2.5 dl/g or more as determined in tetralin at 135.degree. C., and a proportion of 35% by weight or more of a polymer component soluble in xylene at 20.degree. C., and containing 1.5% by weight or less of a polymer component having a molecular weight calculated in terms of polystyrene of 10,000 or less as determined by GPC.

    摘要翻译： 一种聚丙烯多层膜，其包含由结晶聚丙烯形成的基材层和层压在所述基材层的至少一侧上的组合物，所述组合物包含70-95重量％的（A）结晶丙烯 - 乙烯共聚物，其具有 乙烯含量为1.5〜6.0重量％，和/或丙烯含量为80〜98重量％，丁烯-1含量为2〜20重量％的结晶性丙烯-α-烯烃共聚物，乙烯含量为 0至5重量％，和5至30重量％的（B）结晶丙烯 - 丁烯-1共聚物，其是通过将丁烯-1含量为25的结晶丙烯 - 丁烯-1共聚物分解得到的共聚物， 45重量％，在135℃下在四氢化萘中测定的特性粘度为2.5dl / g以上，在20℃下可溶于二甲苯的聚合物成分的比例为35重量％以上， 1.5重量％以下的具有分子量的聚合物组分 以GPC测定的聚苯乙烯换算为10,000以下。

    Stretched multilayer polypropylene film
    6.
    发明授权
    Stretched multilayer polypropylene film 失效
    拉伸多层聚丙烯薄膜

    公开(公告)号：US4584239A

    公开(公告)日：1986-04-22

    申请号：US753846

    申请日：1985-07-11

    申请人： Masahiro Kakugo ,  Yoshiharu Fukui ,  Kizuku Wakatsuki ,  Seiichiro Ima ,  Junichi Kimura

    发明人： Masahiro Kakugo ,  Yoshiharu Fukui ,  Kizuku Wakatsuki ,  Seiichiro Ima ,  Junichi Kimura

    IPC分类号： B32B27/00 ,  B32B27/32 ,  C09J7/02 ,  C09J123/08 ,  C09J123/14

    CPC分类号： C09J7/0242 ,  B32B27/32 ,  C09J123/0815 ,  C09J123/142 ,  Y10S428/91 ,  Y10T428/2826

    摘要： A stretched multilayer polypropylene film is described, comprising a stretched crystalline polypropylene layer and a layer of a composition (Composition B) laminated on at least one side of said polypropylene layer, wherein the composition B comprises a homo- or copolymer composed mainly of ethylene, propylene or butene-1 and having a melting point of 150.degree. C. or less, and a vinylcycloalkane polymer in an amount of 0.05 wt ppm to 10 wt % calculated as a vinylcycloalkane unit. This multilayer film is greatly improved in optical properties such as excellent see-through properties without deteriorating its good heat sealability. Thus it is very useful for wrapping.

    摘要翻译： 描述了拉伸的多层聚丙烯薄膜，其包含拉伸的结晶聚丙烯层和层压在所述聚丙烯层的至少一侧上的组合物层（组合物B），其中组合物B包含主要由乙烯组成的均聚物或共聚物， 丙烯或丁烯-1，熔点为150℃以下，乙烯基环烷烃聚合物的量为0.05重量％〜10重量％，以乙烯基环烷烃单元计算。 这种多层膜在透光性方面优异的光学特性大大提高，而不会使其良好的热封性劣化。 因此，它是非常有用的包装。

    Process for producing a propylene-ethylene copolymer having improved stretchability
    7.
    发明授权
    Process for producing a propylene-ethylene copolymer having improved stretchability 失效
    制备具有改善的拉伸性的丙烯 - 乙烯共聚物的方法

    公开(公告)号：US4355144A

    公开(公告)日：1982-10-19

    申请号：US257431

    申请日：1981-04-24

    申请人： Akinobu Shiga ,  Kiyoshi Matsuyama ,  Masahiro Kakugo ,  Yukio Naito ,  Seiichiro Ima ,  Katsuyoshi Yamashita

    发明人： Akinobu Shiga ,  Kiyoshi Matsuyama ,  Masahiro Kakugo ,  Yukio Naito ,  Seiichiro Ima ,  Katsuyoshi Yamashita

    IPC分类号： C08F4/00 ,  C08F2/00 ,  C08F4/60 ,  C08F4/64 ,  C08F10/00 ,  C08F10/06 ,  C08F210/00 ,  C08F210/06 ,  C08F210/16

    CPC分类号： C08F210/06

    摘要： In a process for producing polypropylene comprising polymerizing propylene in the presence of hydrogen and a catalyst system comprising (A) titanium trichloride obtained by reducing titanium tetrachloride with an organoaluminum compound and reacting the reduced solid with an ether represented by the formula:R.sup.1 -O-R.sup.2wherein R.sup.1 and R.sup.2 are defined hereinbefore, and a halogen compound selected from the group consisting of (i) halogen or interhalogen compounds of the formula, X.sup.1 X.sup.2.sub.a (wherein X.sup.1, X.sup.2 and a are defined hereinbefore), (ii) titanium halides, and (iii) organic halogen compounds, simultaneously or successively and (B) an organoaluminum compound, the improvement which comprises supplying ethylene together with propylene to the polymerization system such that the ethylene concentration in the vapor phase of the system based on the total amount of propylene, ethylene and hydrogen in the vapor phase of the system is 0.15 to 1.5 mol % to obtain a propylene-ethylene copolymer having an ethylene content of from 0.1 to 1.0 wt % is disclosed. The propylene-ethylene copolymer is improved in stretchability.

    摘要翻译： 在制备聚丙烯的方法中，包括在氢气存在下聚合丙烯和催化剂体系，所述催化剂体系包含（A）通过用有机铝化合物还原四氯化钛获得的三氯化钛，并将还原的固体与由下式表示的醚反应：R1-O- 其中R 1和R 2如上定义，卤素化合物选自（ⅰ）卤素或下式的卤代化合物：X1X2a（其中X1，X2和a定义如前），（ⅱ）卤化钛和 （iii）有机卤素化合物，同时或相继和（B）有机铝化合物，其改进包括将乙烯与丙烯一起供应到聚合体系中，使得基于丙烯总量的体系的气相中的乙烯浓度 ，系统的气相中的乙烯和氢为0.15〜1.5摩尔％，得到丙烯 - 乙烯共聚物 公开了乙烯含量为0.1〜1.0重量％。 丙烯 - 乙烯共聚物的拉伸性提高。

    Polypropylene film
    8.
    发明授权
    Polypropylene film 失效
    聚丙烯膜

    公开(公告)号：US4839234A

    公开(公告)日：1989-06-13

    申请号：US45433

    申请日：1987-05-04

    申请人： Masahiro Kakugo ,  Seiichiro Ima

    发明人： Masahiro Kakugo ,  Seiichiro Ima

    IPC分类号： B32B27/32 ,  C08J5/18 ,  C08K5/00 ,  C08K5/20

    CPC分类号： C08J5/18 ,  B32B27/32 ,  C08K5/0008 ,  C08K5/20 ,  C08J2323/10 ,  Y10T428/2826 ,  Y10T428/31692 ,  Y10T428/3175 ,  Y10T428/31797 ,  Y10T428/31855 ,  Y10T428/31895 ,  Y10T428/31913

    摘要： A monolayer polypropylene film obtained by melt extrusion from a composition comprising 100 parts by weight of a crystalline polypropylene and, incorporated therein, a slipping agent [A] having a melting point of 100.degree. to 125.degree. C. and a slipping agent [B] having a melting point of 70.degree. to 90.degree. C. in a total amount of 0.05 to 1.0 part by weight, the initial coefficient of friction of said film being 0.7 or below and the coefficient of friction after heating at 60.degree. C. being 1.0 or below; and a multilayer film composed of said polypropylene film layer having said composition and said characteristics and a substrate material layer.

    摘要翻译： 通过从包含100重量份结晶聚丙烯的组合物熔融挤出获得的单层聚丙烯膜，并且其中加入了熔点为100-125℃的滑爽剂[A]和滑爽剂[B] 熔点为70〜90℃，总量为0.05〜1.0重量份，所述膜的初始摩擦系数为0.7以下，在60℃下加热后的摩擦系数为1.0 或以下; 以及由具有所述组成和所述特性的所述聚丙烯膜层和基材材料层组成的多层膜。

    Polypropylene multi-layer film
    9.
    发明授权
    Polypropylene multi-layer film 失效
    聚丙烯多层膜

    公开(公告)号：US4786562A

    公开(公告)日：1988-11-22

    申请号：US69223

    申请日：1987-07-02

    申请人： Masahiro Kakugo ,  Tadatoshi Ogawa ,  Seiichiro Ima ,  Teruaki Yoshida

    发明人： Masahiro Kakugo ,  Tadatoshi Ogawa ,  Seiichiro Ima ,  Teruaki Yoshida

    IPC分类号： B32B27/32 ,  C09J123/14 ,  C09J123/16 ,  B32B27/00 ,  C09J7/02

    CPC分类号： C09J123/142 ,  B32B27/32 ,  C09J123/16 ,  Y10S428/91 ,  Y10T428/2826 ,  Y10T428/31913

    摘要： A polypropylene multi-layer film which comprises a crystalline polypropylene substrate layer having laminated to at least one side thereof a sheet of a resin composition comprising:(A) 10-90% by weight of a propylene random copolymer satisfying that(i) the comonomer content is 4-15% by weight,(ii) the Vicat softening point is 122.degree. C. or less, and(iii) the cold xylene-soluble portion content is 15% by weight or less,(B) 10-90% by weight of a copolymer of propylene and an .alpha.-olefin having four or more carbon atoms or a copolymer of propylene, an .alpha.-olefin having four or more carbon atoms and ethylene satisfying that:(i) the content of the .alpha.-olefin having four or more carbon atoms is 8-35 mole %,(ii) the ethylene content is 5 mole % or less,(iii) the cold xylene-soluble portion content is 15-70% by weight, and(iv) the .DELTA.haze is 5% or less, and(C) 0-15% by weight of a highly crystalline polypropylene having a melting point of 150.degree. C. or more. This polypropylene multi-layer film has an excellent, low-temperature heat sealing property, a good transparency, a good scratch resistance, and so on.

    摘要翻译： 一种聚丙烯多层膜，其包含结晶聚丙烯基材层，该结晶聚丙烯基材层至少在其一面层叠有一片树脂组合物，所述树脂组合物包含：（A）10-90重量％的丙烯无规共聚物，其满足（i）共聚单体 含量为4〜15重量％，（ii）维卡软化点为122℃以下，（iii）冷二甲苯可溶部分含量为15重量％以下，（B）10-90重量％ 的丙烯与具有四个或更多个碳原子的α-烯烃的共聚物或丙烯，具有四个或更多个碳原子的α-烯烃和乙烯的共聚物，其满足以下条件：（i）所述α-烯烃的含量为 四个或更多个碳原子为8-35摩尔％，（ii）乙烯含量为5摩尔％以下，（iii）冷二甲苯可溶部分含量为15-70重量％，（iv）DELTA雾度 为5％以下，（C）0-15重量％的熔点为150℃以上的高结晶性聚丙烯。 该聚丙烯多层膜具有优异的低温热封性，良好的透明性，良好的耐擦伤性等。