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    Vibration-damping material with excellent workability
    4.
    发明授权
    Vibration-damping material with excellent workability 失效
    振动阻尼材料具有优异的加工性能

    公开(公告)号：US4788099A

    公开(公告)日：1988-11-29

    申请号：US94021

    申请日：1987-09-03

    申请人： Nobuo Fukushima ,  Shuji Kitamura ,  Kiyohiko Nakae ,  Yoshiaki Togawa ,  Kozo Kotani ,  Toshitsugu Kikuchi ,  Seiichi Shibata

    发明人： Nobuo Fukushima ,  Shuji Kitamura ,  Kiyohiko Nakae ,  Yoshiaki Togawa ,  Kozo Kotani ,  Toshitsugu Kikuchi ,  Seiichi Shibata

    IPC分类号： B32B15/08 ,  B32B27/32 ,  G03G5/082 ,  G10K11/168 ,  B32B7/02

    CPC分类号： G03G5/082 ,  B32B15/08 ,  B32B27/322 ,  G10K11/168 ,  Y10T428/24942 ,  Y10T428/24967 ,  Y10T428/26 ,  Y10T428/31692 ,  Y10T428/31699 ,  Y10T428/31837 ,  Y10T428/31917 ,  Y10T428/3192 ,  Y10T428/31924

    摘要： A vibration-damping material with excellent workability consisting of two metal plates and a vibration-damping layer of a thermoplastic resin interposed between the two metal plates, in which the vibration-damping layer of a thermoplastic resin consists of a film as a middle layer and a polyolefin type resin (B) provided on both sides of the film as an upper and lower layer, the film as the middle layer being composed of (1) at least one resin (A) selected from the group consisting of polyolefin type resins and ionomer resins each having a modulus of elasticity in shear at 20.degree. C. of 3.times.10.sup.9 to 1.times.10.sup.7 dyne/cm.sup.2, a percentage of elongation at 20.degree. C. of 50% or above and a peak temperature of dissipation factor (tan .delta.) of -120.degree. C. to 80.degree. C. or (2) a resin mixture of the resin (A) and a synthetic rubber having a percentage of elongation at 20.degree. C. of 100% or above and a peak temperature of dissipation factor (tan .delta.) of -120.degree. to 50.degree. C., and the polyolefin type resin (B) having a modulus of elasticity in shear at 20.degree. C. larger than that of the resin (A), a percentage of elongation at 20.degree. C. of 10% or above, a peak temperature of dissipation factor (tan .delta.) of -40.degree. to 180.degree. C. and a bonding strength toward the metal plates at 20.degree. C. and 180.degree. -peeling of 3 kg/cm or above.

    摘要翻译： 一种具有优异的可加工性的减振材料，由两块金属板和一块热塑性树脂构成的隔热层之间夹在两块金属板之间的隔热层组成，其中热塑性树脂的减震层由一层作为中间层的薄膜和 设置在作为上下层的膜的两面上的聚烯烃类树脂（B），作为中间层的膜由（1）至少一种选自聚烯烃类树脂和 各自具有在20℃剪切下的弹性模量为3×10 9至1×10 7达因/ cm 2的离聚物树脂，20℃下的伸长百分比为50％或更高，并且散热因子（tanδ）的峰值温度为 120℃〜80℃或（2）树脂（A）和20℃下的伸长率为100％以上的合成橡胶的树脂混合物和峰值温度（tanδ delta）为-120〜50℃，聚烯烃类树脂 （B）在20℃下的剪切弹性模量大于树脂（A）的弹性模量，20℃下的伸长率为10％以上，耗散因子峰值温度（tanδ） -40℃至180℃，并且在20℃下对金属板的粘结强度和3kg / cm 3以上的180°剥离。

    Breathable film and process for production of the same
    7.
    发明授权
    Breathable film and process for production of the same 失效
    透气膜和生产过程相同

    公开(公告)号：US4829096A

    公开(公告)日：1989-05-09

    申请号：US74118

    申请日：1987-07-16

    申请人： Shuji Kitamura ,  Kiyohiko Nakae ,  Kozo Kotani ,  Takanori Kume

    发明人： Shuji Kitamura ,  Kiyohiko Nakae ,  Kozo Kotani ,  Takanori Kume

    IPC分类号： B29C55/00 ,  C08J5/18

    CPC分类号： C08J5/18 ,  B29C55/005 ,  B29K2023/06 ,  B29K2995/0065 ,  B29K2995/0069 ,  C08J2323/06 ,  Y10S264/73

    摘要： A breathable film and a process for producing the same are disclosed, the breathable film comprising a resin composition comprising (1) 100 parts by weight of a linear low-density polyethylene resin having a density of from 0.870 to 0.915 g/cm.sup.3 and containing from 15 to 50% by weight of a component which is extractable with xylene at room temperature and which has a weight average molecular chain length of from 1,000 to 9,000 .ANG.; (2) from 50 to 400 parts by weight of a filler; and optionally, (3) from 0.5 to 8 parts by weight of a nonionic surface active agent. The breathable film of the invention not only has excellent film moldability and film stretchability but also shows high breathability, good touch and appearance, and high strength.

    摘要翻译： 透气膜及其制造方法公开，透气膜包括树脂组合物，其包含（1）100重量份密度为0.870-0.915g / cm3的线性低密度聚乙烯树脂，并含有 15〜50重量％的在室温下可用二甲苯萃取的成分，其重均分子链长度为1,000〜9000安培; （2）50〜400重量份的填料; 和（3）0.5至8重量份的非离子表面活性剂。 本发明的透气性膜不仅具有优异的成膜性和膜拉伸性，而且透气性，触感和外观良好，强度高。

    Laminated polypropylene film
    9.
    发明授权
    Laminated polypropylene film 失效
    层压聚丙烯薄膜

    公开(公告)号：US4675247A

    公开(公告)日：1987-06-23

    申请号：US685537

    申请日：1984-12-24

    申请人： Shuji Kitamura ,  Kiyohiko Nakae ,  Tadatoshi Ogawa ,  Teruaki Yoshida ,  Hajime Sadatoshi

    发明人： Shuji Kitamura ,  Kiyohiko Nakae ,  Tadatoshi Ogawa ,  Teruaki Yoshida ,  Hajime Sadatoshi

    IPC分类号： C08F4/00 ,  B32B27/32 ,  C08F4/60 ,  C08F4/64 ,  C08F210/00 ,  C08F210/16 ,  B32B27/00

    CPC分类号： B32B27/32 ,  Y10T428/2826 ,  Y10T428/31855 ,  Y10T428/31913

    摘要： A laminated polypropylene film consisting of a crystalline polypropylene layer having laminated to at least one side thereof a copolymer layer, said copolymer being a random copolymer of propylene and an .alpha.-olefin having 4 or more carbon atoms or a random copolymer of propylene, an .alpha.-olefin having 4 or more carbon atoms and ethylene obtained by vapor phase polymerization in the substantial absence of a liquid medium and satisfying the following conditions (1) to (4):(1) the content of an .alpha.-olefin having 4 or more carbon atoms in the copolymer is 8 to 25 mole %,(2) the content of ethylene in the copolymer is 3 mole % or less,(3) the content of a cold xylene-soluble portion in the copolymer is 15 to 60% by weight, and(4) the content of a boiling n-heptane-insoluble portion in the copolymer is 7% by weight or more. Said laminated film has an excellent low-temperature heat-sealability, an excellent transparency, a low blocking and a good scratch resistance.

    摘要翻译： 由结晶聚丙烯层构成的层压聚丙烯膜，其至少在其一侧层叠有共聚物层，所述共聚物是丙烯与具有4个或更多个碳原子的α-烯烃的无规共聚物或丙烯的无规共聚物，α 基本上不存在液体介质，通过气相聚合获得的满足以下条件（1）至（4）的乙烯：具有4个或更多个碳原子的α-烯烃和乙烯;（1）具有4个或更多个碳原子的α-烯烃的含量 共聚物中的碳原子数为8〜25摩尔％，（2）共聚物中的乙烯含量为3摩尔％以下，（3）共聚物中的冷二甲苯可溶部分的含量为15〜60％ 重量，（4）共聚物中沸腾的正庚烷不溶部分的含量为7重量％以上。 所述层压膜具有优异的低温热封性，优异的透明性，低阻挡性和良好的耐擦伤性。

    Packaging shrink film
    10.
    发明授权
    Packaging shrink film 失效
    包装收缩膜

    公开(公告)号：US4670529A

    公开(公告)日：1987-06-02

    申请号：US679867

    申请日：1984-12-10

    申请人： Shuji Kitamura ,  Kiyohiko Nakae ,  Tadatoshi Ogawa ,  Teruaki Yoshida ,  Hajime Sadatoshi

    发明人： Shuji Kitamura ,  Kiyohiko Nakae ,  Tadatoshi Ogawa ,  Teruaki Yoshida ,  Hajime Sadatoshi

    IPC分类号： B29C55/00 ,  B29C55/12 ,  B29C61/00 ,  B29C61/06 ,  B29K23/00 ,  B29K105/02 ,  B29L7/00 ,  C08J5/18 ,  C08L23/10 ,  C08L23/16 ,  C08L23/18 ,  C08F10/00

    CPC分类号： C08J5/18 ,  B29C61/003 ,  B29K2023/00 ,  B29K2995/0022 ,  B29K2995/0026 ,  C08J2323/16 ,  Y10T428/31913

    摘要： A packaging shrink film consisting essentially of a random copolymer of propylene and an .alpha.-olefin having 4 or more carbon atoms or a random copolymer of propylene, an .alpha.-olefin having 4 or more carbon atoms and ethylene, said random copolymer satisfying the following conditions:(1) the content of an .alpha.-olefin having 4 or more carbon atoms in the copolymer is 8 to 30 mole %,(2) the content of ethylene in the copolymer is 3 mole % or less,(3) the content of a cold xylene-soluble portion in the copolymer is 15 to 60% by weight, and(4) the content of a boiling n-heptane-insoluble portion in the copolymer is 7% by weight or more, said film having been stretched. The packaging shrink film is soft and excels in low-temperature shrink characteristics as well as in transparency and gloss.

    摘要翻译： 主要由丙烯和具有4个或更多个碳原子的α-烯烃的无规共聚物或丙烯，具有4个或更多个碳原子的α-烯烃和乙烯的无规共聚物组成的包装收缩膜，所述无规共聚物满足以下条件 （1）共聚物中具有4个以上碳原子的α-烯烃的含量为8〜30摩尔％，（2）共聚物中的乙烯含量为3摩尔％以下，（3） 共聚物中的冷二甲苯可溶部分为15〜60重量％，（4）共聚物中沸腾的正庚烷不溶部分的含量为7重量％以上，所述膜被拉伸。 包装收缩膜柔软，低温收缩特性以及透明度和光泽度优异。