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    Polypropylene resin composition
    2.
    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％。

    Polyproplylene resin composition
    4.
    发明授权
    Polyproplylene resin composition 失效

    公开(公告)号：US5837764A

    公开(公告)日：1998-11-17

    申请号：US757607

    申请日：1996-11-29

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

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

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

    CPC分类号： C08L53/00

    摘要： A polypropylene resin composition comprising the following components (A), (B), (C) and (D): (A) a crystalline ethylene-propylene block copolymer containing a room-temperature-p-xylene-soluble fraction Ac having an ethylene content of 12-26% by weight and an intrinsic viscosity (measured at 135.degree. C. in decalin) of 6 dl/g or more, (B) a crystalline ethylene-propylene block copolymer containing a room-temperature-p-xylene-soluble fraction Bc having an ethylene content of 27-50% by weight and an intrinsic viscosity (measured at 135.degree. C. in decalin) of 4 dl/g or less, (C) an ethylene-.alpha.-olefin copolymer obtained by polymerization using a single-site catalyst, having a molecular weight distribution (Mw/Mn) of 2.5 or less, a melt flow ratio (MI.sub.10 /MI.sub.2.16) of 6-15 (wherein MI.sub.10 is a melt index measured at 190.degree. C. under a load of 10 kg and MI.sub.2.16 is a melt index measured at 190.degree. C. under a load of 2.16 kg) and an .alpha.-olefin proportion of 70 mole % or less, and (D) a talc having an average particle diameter of 3-7 .mu.m as measured by laser diffraction. In the composition the weight ratios As and Bs of the room-temperature-p-xylene-soluble fractions Ac and Bc to the total weight of the components (A) and (B) satisfy the following formulas (1) and (2): As+Bs=7-15% by weight (1) As/(As+Bs)=0.1-0.6 (2) The polypropylene component contained in each of the components (A) and (B) has an isotactic pentad fraction (mmmm) of 96% or more, and the mixture of the components (A) and (B) has a melt flow rate (measured at 230.degree. C. under a load of 2,160 g) of 30-70 g/10-min, the total content of the components (A) and (B) is 50-80% by weight, the content of the component (C) is 5-20% by weight, and the content of the component (D) is 15-30% by weight, and the composition comprising the components (A), (B), (C) and (D) has a melt flow rate (measured at 230.degree. C. under a load of 2,160 g) of 25 g/10-min or more. The composition is superior in stiffness, resistance to heat deformation, impact resistance and moldability and can provide a molded article of good appearance.

    Impact-resistant polypropylene resin compositions
    5.
    发明授权
    Impact-resistant polypropylene resin compositions 失效
    耐冲击聚丙烯树脂组合物

    公开(公告)号：US4988764A

    公开(公告)日：1991-01-29

    申请号：US500119

    申请日：1990-03-27

    申请人： Takeyoshi Nishio ,  Toshio Yokoi ,  Takao Nomura ,  Kouhei Ueno ,  Tomohiko Akagawa ,  Ikunori Sakai ,  Yasufumi Takasaki

    发明人： Takeyoshi Nishio ,  Toshio Yokoi ,  Takao Nomura ,  Kouhei Ueno ,  Tomohiko Akagawa ,  Ikunori Sakai ,  Yasufumi Takasaki

    IPC分类号： C08L51/06 ,  C08L53/00 ,  C08L77/00

    CPC分类号： C08L51/06 ,  C08L77/00

    摘要： The polypropylene resin composition of the present invention can be obtained by melt mixing:(a) a modified polypropylene obtained by grafting a crystalline propylene-ethylene block copolymer with an unsaturated carboxylic acid, or a crystalline polypropylene containing the modified polypropylene,(b) a polyamide, and(c) a modified ethylene-.alpha.-olefin copolymer rubber obtained by grafting an ethylene-.alpha.olefin copolymer rubber with an unsaturated carboxylic acid. This composition is superior in low temperature impact resistance, rigidity, heat resistance and oil resistance.

    摘要翻译： 本发明的聚丙烯树脂组合物可以通过熔融混合获得：（a）通过将结晶丙烯 - 乙烯嵌段共聚物与不饱和羧酸接枝而获得的改性聚丙烯或含有改性聚丙烯的结晶聚丙烯，（b） 聚酰胺，和（c）通过将乙烯-α-烯烃共聚物橡胶与不饱和羧酸接枝而获得的改性乙烯-α-烯烃共聚物橡胶。 该组合物在低温耐冲击性，刚性，耐热性和耐油性方面优异。

    Thermoplastic resin composition
    6.
    发明授权
    Thermoplastic resin composition 失效
    热塑性树脂组合物

    公开(公告)号：US5206284A

    公开(公告)日：1993-04-27

    申请号：US728285

    申请日：1991-07-11

    申请人： Osamu Fukui ,  Kiyoshi Tsutsui ,  Tomohiko Akagawa ,  Ikunori Sakai ,  Takao Nomura ,  Takeyoshi Nishio ,  Toshio Yokoi ,  Nobuya Kawamura

    发明人： Osamu Fukui ,  Kiyoshi Tsutsui ,  Tomohiko Akagawa ,  Ikunori Sakai ,  Takao Nomura ,  Takeyoshi Nishio ,  Toshio Yokoi ,  Nobuya Kawamura

    IPC分类号： C08K3/34 ,  C08L51/00 ,  C08L51/06 ,  C08L53/00 ,  C08L53/02 ,  C08L77/00

    CPC分类号： C08L51/006 ,  C08K3/346 ,  C08L51/06 ,  C08L53/005 ,  C08L53/025 ,  C08L77/00

    摘要： A polypropylene thermoplastic resin composition comprising (a) a modified crystalline polypropylene of a crystalline polypropylene comprising said modified crystalline polypropylene and (b) a modified polyamide obtained by partially or wholly grafting a polyamide with a clay mineral. A polypropylene thermoplastic resin composition comprising, in addition to the above polypropylene thermoplastic resin composition comprising the components (a) and (b), one or any combination of the following components (c), (d) and (e): (c) an ethylene-.alpha.-olefin copolymer rubber or a modified ethylene-.alpha.-olefin copolymer rubber, (d) a block copolymer between a monovinyl-substituted aromatic hydrocarbon and a conjugated diene, a hydrogenation product of said block copolymer, or a modification product of said block copolymer, and (e) an inorganic filler. The modified polyamide as the component (b), obtained by modifying a polyamide with a clay mineral has good compatibility with or good dispersibility in the component (a), i.e. the modified crystalline polypropylene or the crystalline polypropylene comprising the modified crystalline polypropylene. Therefore, the polypropylene thermoplastic resin composition comprising these components (a) and (b) has excellent heat resistance and excellent impact resistance.

    摘要翻译： 一种聚丙烯热塑性树脂组合物，其包含（a）包含所述改性结晶聚丙烯的结晶聚丙烯的改性结晶聚丙烯和（b）通过部分或全部用粘土矿物接枝聚酰胺获得的改性聚酰胺。 一种聚丙烯热塑性树脂组合物，除了包含组分（a）和（b）的上述聚丙烯热塑性树脂组合物外，还包含以下组分（c），（d）和（e）中的一种或任意组合：（c） 乙烯-α-烯烃共聚物橡胶或改性乙烯-α-烯烃共聚物橡胶，（d）单乙烯基取代的芳烃和共轭二烯之间的嵌段共聚物，所述嵌段共聚物的氢化产物或 所述嵌段共聚物，和（e）无机填料。 通过用粘土矿物改性聚酰胺获得的作为组分（b）的改性聚酰胺与组分（a），即改性结晶聚丙烯或包含改性结晶聚丙烯的结晶聚丙烯具有良好的相容性或良好的分散性。 因此，包含这些组分（a）和（b）的聚丙烯热塑性树脂组合物具有优异的耐热性和优异的耐冲击性。

    Polypropylene resin composition for use in automotive inner and outer trims
    7.
    发明授权
    Polypropylene resin composition for use in automotive inner and outer trims 失效
    用于汽车内外饰件的聚丙烯树脂组合物

    公开(公告)号：US06214934B1

    公开(公告)日：2001-04-10

    申请号：US09084392

    申请日：1998-05-27

    申请人： Satoru Moriya ,  Akira Todo ,  Ikunori Sakai ,  Takao Nomura ,  Takeyoshi Nishio

    发明人： Satoru Moriya ,  Akira Todo ,  Ikunori Sakai ,  Takao Nomura ,  Takeyoshi Nishio

    IPC分类号： C08J300

    CPC分类号： C08L53/025 ,  C08L23/06 ,  C08L23/0815 ,  C08L23/10 ,  C08L23/12 ,  C08L23/142 ,  C08L25/06 ,  C08L53/00 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2205/035 ,  C08L2666/24 ,  C08L2666/02 ,  C08L2666/04

    摘要： A polypropylene resin composition for use in automotive inner and outer trims, comprising 50 to 85% by weight of a crystalline polypropylene (A) having an MFR (230° C.) of 7 to 70 g/10 min, 2 to 16% by weight of a hydrogenated block copolymer (B) obtained by hydrogenating at a hydrogenation ratio of at least 90% an aromatic vinyl/conjugated diene block copolymer which contains an aromatic vinyl block polymer unit in an amount of 22% by weight or less and has an MFR (230° C.) of at least 5 g/10 min, and 5 to 25% by weight of an inorganic filler (G) having an average particle size of 0.1 to 3 &mgr;m as essential components. This composition may contain, as optional components, another hydrogenated block copolymer (C), an aromatic hydrocarbon copolymer (D), a crystalline polyethylene (E) and a soft ethylene/&agr;-olefin copolymer (F). This composition is excellent in heat resistance, rigidity and impact resistance and can provide a molding having beautiful appearance.

    摘要翻译： 一种用于汽车内外装饰品的聚丙烯树脂组合物，其包含50至85重量％的MFR（230℃）为7至70克/ 10分钟的结晶聚丙烯（A），2至16重量％ 氢化嵌段共聚物（B）的重量通过氢化比例至少为90％的含有22重量％以下的芳族乙烯基嵌段聚合物单元的芳香族乙烯基/共轭二烯嵌段共聚物氢化而得到，并且具有 至少5g / 10min的MFR（230℃）和5至25重量％的平均粒度为0.1至3μm的无机填料（G）作为必需组分。 该组合物可以含有另一种氢化嵌段共聚物（C），芳族烃共聚物（D），结晶聚乙烯（E）和软质乙烯/α-烯烃共聚物（F）作为任选组分。 该组合物的耐热性，刚性和耐冲击性优异，能够提供外观美观的成型品。

    Polypropylene resin composition
    8.
    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
    9.
    发明授权
    Polypropylene resin composition 失效
    聚丙烯树脂组合物

    公开(公告)号：US5283267A

    公开(公告)日：1994-02-01

    申请号：US630771

    申请日：1990-12-21

    申请人： Takeyoshi Nishio ,  Norihisa Tamashima ,  Kouhei Ueno ,  Tomohiko Akagawa ,  Saburo Hinenoya ,  Shinji Katsui

    发明人： Takeyoshi Nishio ,  Norihisa Tamashima ,  Kouhei Ueno ,  Tomohiko Akagawa ,  Saburo Hinenoya ,  Shinji Katsui

    IPC分类号： C08K7/08 ,  C08L53/00 ,  C08K9/00

    CPC分类号： C08K7/08 ,  C08L53/00

    摘要： The polypropylene resin composition of the present invention comprises specific proportions of a crystalline ethylene-propylene block copolymer, an hydrogenated block copolymer, an amorphous ethylene-propylene copolymer, surface-treated talc, fibrous magnesium oxysulfate of granular form and a metal soap. This resin composition is well balanced in rigidity and impact resistance, has good mar resistance, and can be preferably used in large-sized parts for automobiles, particularly instrument panels for automobiles.

    摘要翻译： 本发明的聚丙烯树脂组合物包含特定比例的结晶乙烯 - 丙烯嵌段共聚物，氢化嵌段共聚物，无定形乙烯 - 丙烯共聚物，表面处理滑石，粒状纤维状硫酸镁和金属皂。 该树脂组合物的刚性和耐冲击性良好地平衡，具有良好的耐磨性，并且可以优选用于汽车的大型零件，特别是用于汽车的仪表板。

    Polypropylene resin composition
    10.
    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。