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41 条记录 (耗时 0.029 秒)

    Propylene-ethylene-butene block copolymer and molded article thereof
    35.
    发明授权
    Propylene-ethylene-butene block copolymer and molded article thereof 有权
    丙烯 - 乙烯 - 丁烯嵌段共聚物及其模塑制品

    公开(公告)号：US07858708B2

    公开(公告)日：2010-12-28

    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 ,  C08F255/02

    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。

    Propylene-ethylene random copolymer film
    37.
    发明授权
    Propylene-ethylene random copolymer film 失效
    丙烯 - 乙烯无规共聚物膜

    公开(公告)号：US6057413A

    公开(公告)日：2000-05-02

    申请号：US706754

    申请日：1996-09-03

    申请人： Seiichiro Ima ,  Kazuki Wakamatsu ,  Shigeki Kishiro

    发明人： Seiichiro Ima ,  Kazuki Wakamatsu ,  Shigeki Kishiro

    IPC分类号： B29C47/00 ,  B29K67/00 ,  B29L7/00 ,  C08F2/34 ,  C08F4/60 ,  C08F4/646 ,  C08F4/654 ,  C08F4/658 ,  C08F10/00 ,  C08F210/06 ,  C08F210/16 ,  C08J5/18 ,  C08F4/649

    CPC分类号： C08J5/18 ,  C08F10/00 ,  C08F210/06 ,  C08F210/16 ,  C08J2323/14

    摘要： A propylene-ethylene random copolymer prepared by copolymerizing propylene with ethylene in the substantial absence of a liquid medium with a catalyst system comprising:(A) a solid catalyst component containing magnesium, titanium, a halogen and a first electron donor as an essential component,(B) an organoaluminum compound and(C) a second electron donor compound, wherein an ethylene content (E) of the copolymer is from 3.5 to 7.0% by weight, and wherein a content of a xylene-soluble portion at 20.degree. C. (D) of the copolymer satisfies the relationship D.ltoreq.E+2.0 (% by weight). Films of the copolymer have an excellent appearance (little bleed whitening) and an excellent balance between low-temperature heat-sealing property and rigidity.

    摘要翻译： 基本上不存在液体介质的丙烯与乙烯共聚制备的丙烯 - 乙烯无规共聚物，催化剂体系包含：（A）含有镁，钛，卤素和第一电子给体作为必要组分的固体催化剂组分， （B）有机铝化合物和（C）第二电子给体化合物，其中共聚物的乙烯含量（E）为3.5〜7.0重量％，其中二甲苯可溶部分的含量为20℃ （D）满足D

    Process for producing polypropylene laminated film
    38.
    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。

    Polypropylene composition and the film thereof
    39.
    发明授权
    Polypropylene composition and the film thereof 失效
    聚丙烯组合物及其膜

    公开(公告)号：US5654372A

    公开(公告)日：1997-08-05

    申请号：US611759

    申请日：1996-03-08

    申请人： Hajime Sadatoshi ,  Seiichiro Ima ,  Kazuki Wakamatsu ,  Jiro Mori ,  Eisuke Shiratani

    发明人： Hajime Sadatoshi ,  Seiichiro Ima ,  Kazuki Wakamatsu ,  Jiro Mori ,  Eisuke Shiratani

    IPC分类号： C08F297/08 ,  C08L53/00

    CPC分类号： C08L53/00 ,  C08F297/083

    摘要： A polypropylene composition comprising a melt-kneaded polyprolylene composition obtained, using Zieglar-Natta catalyst, by polymerizing a monomer comprising propylene to form a polymer comprising polypropylene (component A) in amount of from 60 to 80% by weight to the total polymer amount in substantially the absence of an inert solvent in a 1st step and then polymerizing a mixture of ethylene content of from 20 to 50% by weight (component B) in a vapor phase to form an ethylene-propylene copolymer (component B) in amount of from 20 to 40% by weight to the total polymer amount in a 2nd step, said polypropylene composition being such that the intrinsic viscosity of component B ([.eta.]B) is at least 2.0 dl/g and the ratio ([.eta.]B/[.eta.]A) of the intrinsic viscosity of the component B to the intrinsic viscosity of the component A ([.eta.]A) is 1.8 or less and the melt flow rate of the polypropylene composition after melt-kneaded being 0.5 to 10 g/10 minutes.

    摘要翻译： 一种聚丙烯组合物，其包含使用齐格列酮 - 纳塔催化剂获得的熔融捏合的聚亚甲基组合物，其通过使包含丙烯的单体聚合以形成聚丙烯（组分A）的聚合物，其量为聚合物总量的60至80重量％ 基本上在第一步骤中不存在惰性溶剂，然后在气相中聚合乙烯含量为20至50重量％（组分B）的混合物以形成乙烯 - 丙烯共聚物（组分B），其量为 在第二步中相对于总聚合物量为20至40重量％，所述聚丙烯组合物使得组分B（ηB）的特性粘度为至少2.0dl / g，并且比率（ηB / 组分B的特性粘度与组分A（ηA）的特性粘度之比为1.8以下，熔融混炼后的聚丙烯组合物的熔体流动速率为0.5〜10g / 10分钟。

    Polypropylene laminate film
    40.
    发明授权
    Polypropylene laminate film 失效
    聚丙烯层压膜

    公开(公告)号：US5486415A

    公开(公告)日：1996-01-23

    申请号：US271981

    申请日：1994-07-08

    申请人： Junichi Kimura ,  Kazuki Wakamatsu ,  Masahito Usui ,  Makoto Satoh

    发明人： Junichi Kimura ,  Kazuki Wakamatsu ,  Masahito Usui ,  Makoto Satoh

    IPC分类号： B32B27/32 ,  C08L23/10 ,  B32B7/12

    CPC分类号： B32B27/32 ,  C08L23/142 ,  Y10T428/2826 ,  Y10T428/31909

    摘要： A polypropylene laminate film comprising a crystalline polypropylene layer having laminated on at least one surface thereof a copolymer which is a random copolymer of propylene, ethylene, and an .alpha.-olefin having at least 4 carbon atoms, the copolymer being obtained by a vapor-phase polymerization using a catalyst system comprising a solid catalyst component containing magnesium, titanium, and a halogen, an organoaluminum compound, and an electron donative compound in substantially the absence of a liquid medium, and satisfying the following requirements (1) to (7):(1) the ethylene content of the copolymer is from 3.0 to 7.0% by weight,(2) the content of the .alpha.-olefin having at least 4 carbon atoms of the copolymer is from 2.0 to 6.0% by weight,(3) the ratio of the ethylene content to the content of the .alpha.-olefin having at least 4 carbon atoms in the copolymer is at least 1.0,(4) the melt flow rate of the copolymer is 10 g/10 minutes or less,(5) the ratio of the weight average molecular weight to the number average molecular weight of the copolymer is 4.5 or less,(6) the melting point of the copolymer is 135.degree.C. or less, and(7) the amount of the n-hexane-soluble components in the copolymer is less than 5.5% by weight.

    摘要翻译： 一种聚丙烯层压膜，其包含在其至少一个表面上层压有共聚物的结晶聚丙烯层，该共聚物是丙烯，乙烯和具有至少4个碳原子的α-烯烃的无规共聚物，所述共聚物通过气相 在基本上不存在液体介质的情况下使用包含含有镁，钛和卤素的固体催化剂组分，有机铝化合物和给电子化合物的催化剂体系进行聚合，并满足以下要求（1）至（7）： （1）共聚物的乙烯含量为3.0〜7.0重量％，（2）共聚物中具有至少4个碳原子的α-烯烃的含量为2.0〜6.0重量％，（3） 共聚物中乙烯含量与具有至少4个碳原子的α-烯烃的含量的比率至少为1.0，（4）共聚物的熔体流动速率为10g / 10分钟以下，（5） 重量比 共聚物的数均分子量的平均分子量为4.5以下，（6）共聚物的熔点为135℃以下，（7）正己烷可溶成分的量 共聚物小于5.5重量％。