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    Propylene polymer composition
    1.
    发明授权
    Propylene polymer composition 失效
    丙烯聚合物组成

    公开(公告)号：US5567759A

    公开(公告)日：1996-10-22

    申请号：US427623

    申请日：1995-04-21

    申请人： Hiroshi Taniguchi ,  Akihiko Yamamoto ,  Takao Nomura ,  Takeyoshi Nishio ,  Hisayuki Iwai

    发明人： Hiroshi Taniguchi ,  Akihiko Yamamoto ,  Takao Nomura ,  Takeyoshi Nishio ,  Hisayuki Iwai

    IPC分类号： C08K3/34 ,  C08L53/00

    CPC分类号： C08L53/00 ,  C08K3/34

    摘要： Propylene polymer compositions of the present invention comprising a specific propylene block copolymer, specific ethylene-propylene copolymer rubber, specific ethylene-propylene-diene copolymer rubber, specific ethylene-butene-1 copolymer rubber, and talc in specific proportions are provided. The propylene polymer compositions of the invention are capable of providing therefrom molded products excellent in balance between stiffness and impact resistance, and having high surface hardness with excellent scratch resistance.

    摘要翻译： 提供了包含特定丙烯嵌段共聚物，特定乙烯 - 丙烯共聚物橡胶，特定乙烯 - 丙烯 - 二烯共聚物橡胶，特定乙烯 - 丁烯-1共聚物橡胶和特定比例的滑石的本发明丙烯聚合物组合物。 本发明的丙烯聚合物组合物能够提供刚性和抗冲击性之间的平衡优异的模塑制品，并且具有高的表面硬度和优异的耐擦伤性。

    Polypropylene resin composition
    4.
    发明授权
    Polypropylene resin composition 失效
    聚丙烯树脂组合物

    公开(公告)号：US5308908A

    公开(公告)日：1994-05-03

    申请号：US936389

    申请日：1992-08-28

    申请人： Osamu Fukui ,  Kouhei Ueno ,  Yoshifumi Nakano ,  Ikunori Sakai ,  Takao Nomura ,  Takeyoshi Nishio ,  Hisayuki Iwai

    发明人： Osamu Fukui ,  Kouhei Ueno ,  Yoshifumi Nakano ,  Ikunori Sakai ,  Takao Nomura ,  Takeyoshi Nishio ,  Hisayuki Iwai

    IPC分类号： C08K3/34 ,  C08L23/08 ,  C08L23/16 ,  C08L53/00 ,  C08L23/04

    CPC分类号： C08K3/34 ,  C08L53/00 ,  C08L2205/02 ,  C08L23/0815 ,  C08L23/16

    摘要： A polypropylene resin composition comprising:(A) 45 to 70% by weight of an ethylene-propylene block copolymer synthesized under the process comprising the steps of;(a) polymerizing propylene with a Ziegler-Natta catalyst to obtain a highly crystalline polypropylene that contain not less than 97% by weight of a fraction insoluble in boiling n-heptane, and(b) copolymerizing ethylene with the polypropylene (a), and which(a) contains 0.5 to 10% by weight of ethylene,(b) contains 5 to 20% by weight of a fraction being soluble in p-xylene at room temperature and having an intrinsic viscosity value of not less than 2 (measured in decalin at 135.degree. C.),(c) has a melt-flow index value of 30 to 100 g/10 min., and,(d) has a value of flexural modulus of not less than 18,000 kg/cm.sup.2,(B) 10 to 20% by weight of an amorphous ethylene-propylene copolymer having(a) an ethylene content of 70 to 90% by weight,(b) a Mooney viscosity value (ML.sub.1+4 at 100.degree. C.) of 5 to 70,(C) 5 to 15% by weight of an ethylene-.alpha.-olefin copolymer having(a) an .alpha.-olefin content of 5 to 15% by mole,(b) a value of gravity of not more than 0.91, and(c) a melt-flow index value of 2.2 to 50 g/10 min. at 230.degree. C.,(D) 1 to 10% by weight of an amorphous ethylene-butene copolymer having(a) a butene content of 10 to 25% by weight, and(b) a Mooney viscosity value (ML.sub.1+4, at 100.degree. C.) of 5 to 20,(E) not more than 15% by weight of a talc that(a) has an average diameter D50 of from 1.0 to 3.0 .mu.m, and(b) does not contain a particle having a diameter of 10 .mu.m or more,wherein the component (B) is rubber reinforced by lamellae of components (C) and (D).

    摘要翻译： 一种聚丙烯树脂组合物，其包含：（A）45至70重量％的在包括以下步骤的方法中合成的乙烯 - 丙烯嵌段共聚物： （a）用齐格勒 - 纳塔催化剂聚合丙烯以获得含有不少于97重量％不溶于沸腾正庚烷的馏分的高度结晶的聚丙烯，和（b）使乙烯与聚丙烯（a）共聚，和 （a）含有0.5〜10重量％的乙烯，（b）在室温下含有5〜20重量％的可溶于对二甲苯的馏分，其特性粘度值不小于2（以 十氢萘在135℃），（c）的熔体流动指数值为30〜100g / 10分钟，（d）弯曲弹性模量值不小于18,000kg / cm 2，（B ）10〜20重量％的（a）乙烯含量为70〜90重量％，（b）门尼粘度值（100℃时ML1 + 4）为5〜70的无定形乙烯 - 丙烯共聚物 ，（C）5〜15重量％的（a）α-烯烃含量为5〜15摩尔％的乙烯-α-烯烃共聚物，（b）重力值不大于0.91，（ c）熔体流动inde x值为2.2〜50g / 10min。 （D）1〜10重量％的（a）丁烯含量为10〜25重量％的无定形乙烯 - 丁烯共聚物，（b）门尼粘度值（ML1 + 4， 在100℃下为5〜20，（E）不超过15重量％的滑石，（a）平均直径D50为1.0〜3.0μm，（b）不含有颗粒 其直径为10μm以上，其中，成分（B）由成分（C）和（D）的薄片橡胶增强。

    Polypropylene resin composition
    6.
    发明授权
    Polypropylene resin composition 失效
    聚丙烯树脂组合物

    公开(公告)号：US5883174A

    公开(公告)日：1999-03-16

    申请号：US680971

    申请日：1996-07-16

    申请人： Tomohiko Akagawa ,  Ikunori Sakai ,  Saburo Hinenoya ,  Yasuo Kita ,  Kaoru Inoue ,  Takeyoshi Nishio ,  Takao Nomura

    发明人： Tomohiko Akagawa ,  Ikunori Sakai ,  Saburo Hinenoya ,  Yasuo Kita ,  Kaoru Inoue ,  Takeyoshi Nishio ,  Takao Nomura

    IPC分类号： C08K3/34 ,  C08L23/16 ,  C08L53/00 ,  C08J5/10 ,  C08L23/12

    CPC分类号： C08L53/00

    摘要： A polypropylene resin composition having excellent rigidity, impact resistance and formability (moldability) and thus useful for the interior parts of automobile, includes (A) a crystalline E/P block copolymer containing a fraction Ac soluble in p-xylene at room temperature and having an ethylene content of 18 to 22%; (B) a crystalline E/P block copolymer containing a fraction Bc soluble in p-xylene at room temperature and having an ethylene content of 27 to 40% and (C) talc particles having an average size of 3 to 5 .mu.m and largest size less than 20 .mu.m, in which composition, (a) the p-xylene-soluble fractions Ac and Bc are in contents As and Bs based on the total weight of the copolymers (A) and (B) and satisfying As+Bs=7 to 17% by weight and As/(A +Bs)=0.1 to 0.6; (b) an isotactic pentad fraction of propylene in each of copolymers (A) and (B) is 96% or more, and the mixture of the copolymers (A) and (B) has a MFR of 20 to 35 g/10 min at 230.degree. C. under 2160 g load; and (c) the copolymers (A) and (B) are in a total weight content of 50 to 95% and talc (C) is in a weight content of 5 to 50%.

    摘要翻译： 具有优异的刚性，耐冲击性和成型性（成型性），因此可用于汽车内部的聚丙烯树脂组合物包括（A）在室温下含有可溶于对二甲苯的馏分Ac的结晶E / P嵌段共聚物，并具有 乙烯含量为18〜22％; （B）在室温下含有可溶于对二甲苯的馏分Bc，乙烯含量为27〜40％的结晶性E / P嵌段共聚物，（C）平均粒径为3〜5μm的滑石粉末和最大 （a）对二甲苯可溶级分Ac和Bc的含量为A，Bs为基于共聚物（A）和（B）的总重量，满足As + Bs = 7〜17重量％，As /（A + Bs）= 0.1〜0.6; （b）共聚物（A）和（B）中的丙烯的全同立构五单元组分率为96％以上，共聚物（A）和（B）的混合物的MFR为20〜35g / 10分钟 在230℃，2160g负荷下; 和（c）共聚物（A）和（B）的总重量含量为50-95％，滑石（C）的重量含量为5-50％。

    Polypropylene resin composition
    7.
    发明授权
    Polypropylene resin composition 失效
    聚丙烯树脂组合物

    公开(公告)号：US5856400A

    公开(公告)日：1999-01-05

    申请号：US705215

    申请日：1996-08-29

    申请人： Takenobu Matsumura ,  Masahiro Naiki ,  Takao Nomura ,  Takeyoshi Nishio

    发明人： Takenobu Matsumura ,  Masahiro Naiki ,  Takao Nomura ,  Takeyoshi Nishio

    IPC分类号： C08K3/00 ,  C08L23/00 ,  C08L23/04 ,  C08L23/10 ,  C08L23/16 ,  C08L53/00 ,  C08K3/34

    CPC分类号： C08L23/10 ,  C08L53/00 ,  C08L23/16

    摘要： A polypropylene resin composition comprising an isotactic polypropylene component, a rubber component, and an inorganic filler component, wherein (a) the melt flow rate, according to ASTM D1238, is 20 g/10 min or more, (b) the flexural modulus, according to ASTM D790, is 2300 MPa or more, (c) the Izod impact strength, according to ASTM D256, is 180 J/m or more at 23.degree. C. and 45 J/m or more at -30.degree. C., (d) the heat deformation temperature, according to ASTM D648, is 130.degree. C. or more, and (e) there is a diffraction peak unique to polypropylene of space group P21/c in the diffraction pattern measured by the wide angle X-ray diffraction method in an injection molded article of the composition formed under a quenching condition.

    摘要翻译： 包含全同立构聚丙烯组分，橡胶组分和无机填料组分的聚丙烯树脂组合物，其中（a）根据ASTM D1238的熔体流动速率为20g / 10min以上，（b）挠曲模量， 根据ASTM D790，为2300MPa以上，（c）根据ASTM D256，Izod冲击强度在23℃为180J / m以上，-30℃为45J / m以上， （d）根据ASTM D648的热变形温度为130℃以上，（e）在广角X射线衍射测定的衍射图中，存在空间群P21 / c的聚丙烯特有的衍射峰， 在淬火条件下形成的组合物的注塑制品中的X-射线衍射法。

    Thermoplastic resin composition
    8.
    发明授权
    Thermoplastic resin composition 失效
    热塑性树脂组合物

    公开(公告)号：US5852100A

    公开(公告)日：1998-12-22

    申请号：US636220

    申请日：1996-04-23

    申请人： Hajime Sadatoshi ,  Haruyuki Suzuki ,  Yuichi Miyake ,  Takao Nomura ,  Takeyoshi Nishio

    发明人： Hajime Sadatoshi ,  Haruyuki Suzuki ,  Yuichi Miyake ,  Takao Nomura ,  Takeyoshi Nishio

    IPC分类号： C08K3/00 ,  C08L23/08 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  C08L53/00

    CPC分类号： C08L23/12 ,  C08K3/0033 ,  C08L23/16 ,  C08L53/00 ,  C08L2205/02 ,  C08L2205/035 ,  C08L2205/22 ,  C08L23/0815 ,  C08L2310/00 ,  C08L2312/00

    摘要： A thermoplastic resin composition with improved low-temperature impact strength and rigidity against heat, comprising (I) 10-40% by weight of a mixture of (a) 10-50% by weight of a propylene homopolymer and/or an ethylene-propylene block copolymer (an isotactic pentad fraction of a propylene homopolymer portion being 0.98 or above) and (b) 50-90% by weight of an olefin-based copolymer rubber, said mixture having been dynamically heat treated in the presence of an organic peroxide and a crosslinking agent, (II) 20-85% by weight of a propylene homopolymer and/or an ethylene-propylene block copolymer (an isotactic pentad fraction of a propylene homopolymer portion being 0.98 or above and a melt index of the propylene homopolymer portion being 30-150 g/10 min), and (III) 5-40% by weight of an inorganic filler.

    摘要翻译： 具有改进的低温冲击强度和抗热刚性的热塑性树脂组合物，包含（I）10-40重量％的（a）10-50重量％的丙烯均聚物和/或乙烯 - 丙烯的混合物 嵌段共聚物（丙烯均聚物部分的全同立构五单元组分数为0.98以上）和（b）50-90重量％的烯烃系共聚物橡胶，所述混合物在有机过氧化物的存在下动态热处理， 交联剂（II）20-85重量％的丙烯均聚物和/或乙烯 - 丙烯嵌段共聚物（丙烯均聚物部分的全同立构五单元组分数为0.98或更高，丙烯均聚物部分的熔体指数为 30-150g / 10min）和（III）5-40重量％的无机填料。

    Crystalline ethylene-propylene copolymer with ethylene copolymer(s) and/or alkenyl aromatic-grafted rubber
    10.
    发明授权
    Crystalline ethylene-propylene copolymer with ethylene copolymer(s) and/or alkenyl aromatic-grafted rubber 失效
    具有乙烯共聚物和/或链烯基芳香族接枝橡胶的结晶乙烯 - 丙烯共聚物

    公开(公告)号：US5914363A

    公开(公告)日：1999-06-22

    申请号：US637280

    申请日：1996-04-24

    申请人： Hajime Sadatoshi ,  Kenichi Ohkawa ,  Teruhiko Doi ,  Yuichi Miyake ,  Takao Nomura ,  Takeyoshi Nishio

    发明人： Hajime Sadatoshi ,  Kenichi Ohkawa ,  Teruhiko Doi ,  Yuichi Miyake ,  Takao Nomura ,  Takeyoshi Nishio

    IPC分类号： B29C45/00 ,  B29K23/00 ,  B29K96/04 ,  B29L31/58 ,  B60R13/02 ,  C08K3/34 ,  C08L21/00 ,  C08L23/00 ,  C08L23/08 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  C08L25/00 ,  C08L53/00 ,  C08L53/02 ,  C08K3/22 ,  C08L51/04

    CPC分类号： C08L23/12 ,  C08K3/34 ,  C08L23/10 ,  C08L53/00 ,  C08L2205/03 ,  C08L2205/035 ,  C08L23/0815 ,  C08L23/16 ,  C08L53/02

    摘要： A thermoplastic resin composition which has a melt flow rate of 25 to 30 g/10 min and a flexural modulus at 23.degree. C. of 20,000 kg/cm.sup.2 or more and which comprises (1) 78 to 87% by weight of a specific crystalline polypropylene �referred to hereinafter as (A)! in which the propylene homopolymer portion has a Q value of 3.0 to 5.0, an isotactic pentad fraction of 0.975 or more and an intrinsic viscosity �.eta.! of 1.00 to 1.10 dl/g as measured at 135.degree. C. in tetralin, (2) 3 to 10% by weight of at least two specific rubber components selected from the group consisting of (B) 1 to 9% by weight of an ethylene-butene-1 copolymer rubber, (C) 1 to 9% by weight of an ethylene-propylene copolymer rubber and (D) 1 to 9% by weight of an alkenyl aromatic compound-containing rubber; and (3) 10 to 12% by weight of talc having an average particle diameter of 4 .mu.m or less, and an injection molded article of the thermoplastic resin composition, said thermoplastic resin composition satisfying the impact strength and rigidity required as a material for an interior automotive trim and having a short molding cycle and good surface quality.

    摘要翻译： 一种热塑性树脂组合物，其熔体流动速率为25至30g / 10min，在23℃下的弯曲模量为20,000kg / cm 2或更高，并且其包含（1）78至87重量％的特定结晶 聚丙烯[以下称为（A）]，其中丙烯均聚物部分的Q值为3.0〜5.0，全同立构五单元组分数为0.975以上，特性粘度η为1.00〜1.10dl / g， （2）3至10重量％的至少两种选自（B）1至9重量％的乙烯 - 丁烯-1共聚物橡胶的特定橡胶组分（C ）1〜9重量％的乙烯 - 丙烯共聚物橡胶和（D）1〜9重量％的含烯基芳香族化合物的橡胶; 和（3）10〜12重量％的平均粒径为4μm以下的滑石，以及热塑性树脂组合物的注射成型品，所述热塑性树脂组合物满足作为材料的材料所需的冲击强度和刚性 内部汽车装饰件，具有短的成型周期和良好的表面质量。