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1. 发明授权

US5750612A Polypropylene resin composition for car interior fittings 失效
标题翻译：汽车内饰件用聚丙烯树脂组合物
公开(公告)号：US5750612A
公开(公告)日：1998-05-12
申请号：US801416
申请日：1997-02-18
申请人： Yasutoshi Zyagawa , Takeyoshi Nishio , Takao Nomura , Tomohiko Akagawa , Ikunori Sakai , Saburou Hinenoya
发明人： Yasutoshi Zyagawa , Takeyoshi Nishio , Takao Nomura , Tomohiko Akagawa , Ikunori Sakai , Saburou Hinenoya
IPC分类号： C08K3/34 , C08L23/00 , C08L23/10 , C08L23/16 , C08L23/18 , C08L23/22 , C08L53/00 , C08L53/02 , C08L23/06 , C08L25/10
CPC分类号： C08L23/10 , C08K3/34 , C08L23/12 , C08L23/142 , C08L53/005 , C08L53/025 , C08L2205/02 , C08L2205/03 , C08L2205/035 , C08L23/0815 , C08L23/16 , C08L53/00
摘要： Disclosed is a polypropylene resin composition for car interior fittings, comprising (a) a crystalline polypropylene, (b) particular hydrogenated block copolymer(s), (c) particular hydrogenated block copolymer(s) different from (b), and (d) a particular talc.
摘要翻译：公开了一种用于汽车内饰件的聚丙烯树脂组合物，其包含（a）结晶聚丙烯，（b）特定氢化嵌段共聚物，（c）与（b）不同的特定氢化嵌段共聚物和（d）特定的滑石。

2. 发明授权

US5091462A Thermoplastic resin composition 失效
公开(公告)号：US5091462A
公开(公告)日：1992-02-25
申请号：US493459
申请日：1990-03-14
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.

3. 发明授权

US5883174A Polypropylene resin composition 失效
标题翻译：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％。

4. 发明授权

US5206284A Thermoplastic resin composition 失效
标题翻译：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。

5. 发明授权

US5837764A 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.

6. 发明授权

US4988764A Impact-resistant polypropylene resin compositions 失效
标题翻译：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。

7. 发明授权

US5308908A Polypropylene resin composition 失效
标题翻译：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。

8. 发明授权

US06214934B1 Polypropylene resin composition for use in automotive inner and outer trims 失效
标题翻译：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。

9. 发明授权

US6121363A Crystalline propylene block-copolymer composition for use in automobile parts 失效
标题翻译：用于汽车零件的结晶丙烯嵌段共聚物组合物
公开(公告)号：US6121363A
公开(公告)日：2000-09-19
申请号：US251331
申请日：1999-02-17
申请人： Ikunori Sakai , Mikio Hashimoto , Takayuki Nagai , Takao Nomura , Masatoshi Matsuda , Osamu Kito , Hisayuki Iwai
发明人： Ikunori Sakai , Mikio Hashimoto , Takayuki Nagai , Takao Nomura , Masatoshi Matsuda , Osamu Kito , Hisayuki Iwai
IPC分类号： B29C45/00 , B29K23/00 , C08K3/34 , C08L53/00 , C08L53/02 , C08K3/22 , C08L23/10
CPC分类号： C08L53/00
摘要： A crystalline propyleiie block-copolymer composition exhibiting superior flowability upon molding for use in automobile parts, which composition comprises 41 to 71% by weight of a crystalline propylene block-copolymer composed of a propylene homopolymer portion (Fp) and an ethylene/propylene random copolymer portion (Fc) and having an ethylene content of 1 to 10% by weight and a melt flow rate (MFR) of 20 to 100 g/10 min.; 12 to 22% by weight of a first hydrogenated product of a block-copolymer having a relatively smaller stylene content; 2 to 12% by weight of a second hydrogenated product of a block-copolymer having a relatively greater stylene content; and 15 to 25% by weight of talc, wherein the propylene homopolymer portion (Fp) contains 20 to 50% by weight of a low molecular weight propylene homopolymer having an MFR of 400 to 1,000 g/10 min., the average MFR being 100 to 350 g/10 min. and the isotactic pentad fraction being at least 98%, and wherein the said (Fc) has an intrinsic viscosity of 7 dl/g or higher.
摘要翻译：一种结晶丙烯嵌段共聚物组合物，其成型用于汽车部件时具有优异的流动性，该组合物包含41至71重量％的由丙烯均聚物部分（Fp）和乙烯/丙烯无规共聚物组成的结晶丙烯嵌段共聚物（Fc），乙烯含量为1〜10重量％，熔体流动速率（MFR）为20〜100g / 10分钟。 12至22重量％的具有相对较小的苯乙烯含量的嵌段共聚物的第一氢化产物; 2至12重量％的具有相对较大的苯乙烯含量的嵌段共聚物的第二个氢化产物; 和15〜25重量％的滑石，其中丙烯均聚物部分（Fp）含有20〜50重量％的MFR为400〜1000g / 10分钟的低分子量丙烯均聚物，平均MFR为100 至350g / 10min。和全同立构五单元组分数为98％以上，其中所述（Fc）的特性粘度为7dl / g以上。

10. 发明授权

US5914363A Crystalline ethylene-propylene copolymer with ethylene copolymer(s) and/or alkenyl aromatic-grafted rubber 失效
标题翻译：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。

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