知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

13 条记录 (耗时 0.017 秒)

    Process for producing polypropylene laminated film
    1.
    发明授权
    Process for producing polypropylene laminated film 失效
    生产聚丙烯层压膜的方法

    公开(公告)号：US6001293A

    公开(公告)日：1999-12-14

    申请号：US041946

    申请日：1998-03-13

    申请人： Kazuki Wakamatsu ,  Junichi Kimura ,  Makoto Satoh ,  Yoichi Obata ,  Minoru Takane

    发明人： Kazuki Wakamatsu ,  Junichi Kimura ,  Makoto Satoh ,  Yoichi Obata ,  Minoru Takane

    IPC分类号： B32B27/32 ,  C08L23/14

    CPC分类号： B32B27/32 ,  C08L23/14

    摘要： A polypropylene laminated film containing a crystalline polypropylene layer and, laminated on at least one side of the layer of the crystalline polypropylene, a layer of a copolymer of propylene and at least one .alpha.-olefin of from 4 to 10 carbon atoms having a specific composition, melt flow rate and molecular weight distribution in which the .alpha.-olefin content in the cold xylene soluble portion of the random copolymer is less than 1.7 times the .alpha.-olefin content in the copolymer and the random copolymer satisfies the mathematical expression,B.ltoreq.1.05A-10,wherein A is a weight percentage of the content of said at least one .alpha.-olefin having from 4 to 10 carbon atoms in the random copolymer and B is a weight percentage of the cold xylene soluble portion in the random copolymer, is superior in low temperature heat sealability and hot tack property and moreover has a good transparency, blocking resistance and printability, wherein the random copolymer is obtained by gas phase polymerization substantially in the absence of a liquid medium, and using a catalyst system comprising (i) a solid catalyst component containing magnesium, titanium and a halogen as essential constituents, (ii) an organoaluminum compound and (iii) an electron donative compound.

    摘要翻译： 一种聚丙烯层压膜，其含有结晶聚丙烯层，层压在该结晶聚丙烯层的至少一侧上，具有丙烯与至少一种具有特定组成的4-10个碳原子的至少一种α-烯烃的共聚物层 ，熔体流动速率和分子量分布，其中无规共聚物的冷二甲苯可溶部分中的α-烯烃含量小于共聚物中α-烯烃含量的1.7倍，无规共聚物满足数学表达式，B < = 1.05A-10，其中A是无规共聚物中所述至少一种具有4至10个碳原子的α-烯烃的含量的重量百分比，B是无规共聚物中冷二甲苯可溶部分的重量百分数 ，在低温热封性和热粘性方面优异，而且具有良好的透明性，耐粘连性和可印刷性，其中无规共聚物由气相 并且使用包含（i）含有镁，钛和卤素作为必要成分的固体催化剂组分的催化剂体系，（ii）有机铝化合物和（iii）给电子化合物。

    Biaxially oriented multilayer polypropylene film
    2.
    发明授权
    Biaxially oriented multilayer polypropylene film 失效
    双轴取向多层聚丙烯薄膜

    公开(公告)号：US07323252B2

    公开(公告)日：2008-01-29

    申请号：US11118764

    申请日：2005-05-02

    申请人： Yoichi Obata ,  Hideaki Hori ,  Takeshi Ebara

    发明人： Yoichi Obata ,  Hideaki Hori ,  Takeshi Ebara

    IPC分类号： B32B27/32

    CPC分类号： B32B27/32 ,  B32B27/08 ,  B32B2307/21 ,  B32B2307/306 ,  B32B2307/412 ,  B32B2307/518 ,  B32B2307/746 ,  B32B2307/75 ,  B32B2439/70 ,  Y10T428/31913 ,  Y10T428/31938

    摘要： Disclosed is a biaxially oriented multilayer polypropylene film which has a substrate layer containing a polypropylene resin composition including 97 to 99.97% by weight of a propylene polymer (A) and 0.03 to 3% by weight of a surfactant and also has, on at least one side of this layer, a layer containing a polypropylene resin composition including 30 to 80% by weight of a propylene polymer (C) having a melting point of 150 to 170° C. and 20 to 70% by weight of a propylene-based random copolymer (D) having a melting point of 120 to 149° C. and including 1 to 14 mole % of ethylene and/or α-olefin.

    摘要翻译： 公开了一种双轴取向多层聚丙烯膜，其具有含有丙烯聚合物（A）97〜99.97重量％和0.03〜3重量％表面活性剂的聚丙烯树脂组合物的基材层，并且在至少一种 该层包含聚丙烯树脂组合物的层，其包含30至80重量％的熔点为150至170℃的丙烯聚合物（C）和20至70重量％的基于丙烯的无规 共聚物（D），其熔点为120至149℃，并包括1至14摩尔％的乙烯和/或α-烯烃。

    Biaxially oriented polypropylene film
    3.
    发明申请
    Biaxially oriented polypropylene film 审中-公开
    双轴取向聚丙烯薄膜

    公开(公告)号：US20050187367A1

    公开(公告)日：2005-08-25

    申请号：US11054511

    申请日：2005-02-09

    申请人： Hideaki Hori ,  Takeshi Ebara ,  Yoichi Obata

    发明人： Hideaki Hori ,  Takeshi Ebara ,  Yoichi Obata

    IPC分类号： B29C55/12 ,  C08F10/00 ,  C08F110/06 ,  C08F210/06 ,  C08J5/18 ,  C08L23/10 ,  C08L23/14

    CPC分类号： C08F110/06 ,  C08F210/06 ,  C08J5/18 ,  C08J2323/12 ,  C08F4/6565 ,  C08F4/6492 ,  C08F2500/12 ,  C08F2500/26 ,  C08F210/16 ,  C08F210/08

    摘要： Disclosed is a biaxially oriented film made of a thermoplastic material containing a polypropylene satisfying the following requirements (1), (2) and (3): (1) the polypropylene has a melting point from 150° C. to 165° C., (2) the 20° C. xylene-soluble fraction content in the polypropylene is from 0.1% by weight to 2% by weight, (3) the polypropylene has a melt flow rate from 0.1 g/10 min. to 10 g/10 min., wherein the film satisfies the following formula (I): Y≦−850×S+7000  (I) wherein S represents the thermal shrinkage of the film in the MD at 130° C. and Y represents the Young's modulus of the film in the TD, and wherein the thermal shrinkage of the film in the MD at 120° C. is 3% or less.

    摘要翻译： 公开了一种由含有满足以下要求（1），（2）和（3）的聚丙烯的热塑性材料制成的双轴取向膜：（1）聚丙烯的熔点为150℃至165℃， （2）聚丙烯中20℃二甲苯可溶成分的含量为0.1重量％〜2重量％，（3）聚丙烯的熔体流动速率为0.1克/ 10分钟。 至10g / 10分钟，其中该膜满足下列公式（I）：<？in-line-formula description =“In-line formula”end =“lead”？> Y <= - 850xS + 7000 ）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中S表示MD在130℃下的热收缩率，Y表示膜的杨氏模量 TD，其中在120℃下MD的热收缩率为3％以下。

    Polypropylene composition
    6.
    发明申请
    Polypropylene composition 审中-公开
    聚丙烯组成

    公开(公告)号：US20070238834A1

    公开(公告)日：2007-10-11

    申请号：US11724198

    申请日：2007-03-15

    申请人： Hideaki Hori ,  Takeshi Ebara ,  Yoichi Obata

    发明人： Hideaki Hori ,  Takeshi Ebara ,  Yoichi Obata

    IPC分类号： C08F8/00

    CPC分类号： C08L23/12 ,  C08L23/14 ,  C08L2666/06

    摘要： A polypropylene composition including 0.1 to 15% by weight of (A1) a propylene homopolymer and 85 to 99.9% by weight of (B1) a copolymer of propylene and an α-olefin having at least 4 carbon atoms in which component (B1) contains 0.1 to 5% by weight of α-olefin, or a polypropylene composition comprising 0.1 to 15% by weight of (A2) a copolymer of propylene and an α-olefin having at least 4 carbon atoms and 85 to 99.9% by weight of (B2) a copolymer of propylene and an α-olefin having at least 4 carbon atoms in which component (A2) contains 0.1 to 5% by weight of the α-olefin, component (B2) contains 0.2 to 5% by weight of α-olefin, and the content of the α-olefin in component (B2) is larger than the content of the α-olefin in component (A2).

    摘要翻译： 一种聚丙烯组合物，其包含0.1至15重量％的（A1）丙烯均聚物和85至99.9重量％的（B1）丙烯和具有至少4个碳原子的α-烯烃的共聚物，其中组分（B1）含有 0.1至5重量％的α-烯烃，或包含0.1至15重量％的（A2）丙烯和具有至少4个碳原子的α-烯烃和85至99.9重量％的（A 2）的共聚物的聚丙烯组合物， B2）丙烯和具有至少4个碳原子的α-烯烃的共聚物，其中组分（A2）含有0.1-5重量％的α-烯烃，组分（B2）含有0.2-5重量％的α-烯烃， 烯烃，组分（B2）中α-烯烃的含量大于组分（A2）中α-烯烃的含量。

    Polypropylene-based resin composition for stretched film, process for producing the same and stretched film
    7.
    发明授权
    Polypropylene-based resin composition for stretched film, process for producing the same and stretched film 失效
    用于拉伸膜的聚丙烯类树脂组合物，其制造方法和拉伸膜

    公开(公告)号：US06699574B2

    公开(公告)日：2004-03-02

    申请号：US10098486

    申请日：2002-03-18

    申请人： Yoichi Obata ,  Shunji Yunoki ,  Takeshi Ebara

    发明人： Yoichi Obata ,  Shunji Yunoki ,  Takeshi Ebara

    IPC分类号： B32B702

    CPC分类号： C08J5/18 ,  C08J2323/10 ,  C08L23/10 ,  C08L2205/02 ,  Y10T428/249921 ,  C08L2666/04

    摘要： A polypropylene-based resin composition for stretched film, comprising 20 to 98 parts by weight of a propylene-based polymer(A) having an intrinsic viscosity [&eegr;]A of 1.8 to 8 dl/g and a melting temperature TmA of 140 to 165 ° C. and 2 to 80 parts by weight of a propylene-based polymer(B) having an intrinsic viscosity [&eegr;]B of 0.8 to 1.7 dl/g and a melting temperature TmB of 150 to 170° C., wherein the ratio of TmA to TmB is less than 1, the ratio of the intrinsic viscosity [&eegr;]A to the intrinsic viscosity [&eegr;]B is more than 1 and less than 10, and the melt flow rate of the polypropylene-based resin composition is from 0.1 to 20 g/10 min.

    摘要翻译： 一种聚丙烯类拉伸膜用树脂组合物，其特征在于粘度ηA为1.8〜8dl / g，熔融温度Tm 140至165℃的2-丙烯基聚合物（B）和2-80重量份的特性粘度η<0.8至1.7dl / g的丙烯类聚合物（B）和熔融温度Tm < 150至170℃，其中Tm Tm 的比值小于1，特性粘度ηA与特性粘度ηB的比值大于 1且小于10，聚丙烯类树脂组合物的熔体流动速率为0.1〜20g / 10分钟。

    .alpha.-olefin polymers, .alpha.-olefin-polymerizing catalyst and process for producing .alpha.-olefin polymers
    9.
    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。