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    Thermoplastic resin composition for producing automobile exterior parts
    3.
    发明授权
    Thermoplastic resin composition for producing automobile exterior parts 有权
    用于生产汽车外部件的热塑性树脂组合物

    公开(公告)号：US08062557B2

    公开(公告)日：2011-11-22

    申请号：US12299910

    申请日：2007-05-08

    Applicant: Kiyoji Takagi ,  Morio Tsunoda ,  Masami Suzuki ,  Takayuki Nagai ,  Yasumitsu Isobe

    Inventor： Kiyoji Takagi ,  Morio Tsunoda ,  Masami Suzuki ,  Takayuki Nagai ,  Yasumitsu Isobe

    IPC: H01B1/22

    CPC classification number: C08L77/02 ,  C08K3/04 ,  C08K3/34 ,  C08K5/524 ,  C08K5/5393 ,  C08L51/04 ,  C08L53/02 ,  C08L2666/24

    Abstract: Thermoplastic resin composition containing 18-80 weight % of a polyamide 6 resin with specific viscosity number and specific ratio of terminal carboxyl groups content to terminal amino groups content (component (A)); 5-25 weight % of a hydrogenated product of a block copolymer having a vinyl aromatic compound polymer block and a conjugated diene compound polymer block (component (B)); 3-15 weight % of a graft-modified hydrogenated product of such block copolymer (component (C)), said hydrogenated product being graft-modified with maleic anhydride in an amount of 2.6-5.0 weight % based on 100 weight % of said graft-modified hydrogenated product; 1-5 weight % conductive carbon black with specific BET specific surface area and specific DBP oil absorption (component (D)); 10-30 weight % talc having a specific average particle diameter (component (E)); 0.1-2 weight % of a phosphonite compound (component (F)); 0.5-5 weight % of an ethylene-vinyl alcohol resin (component (G)); 0-1 weight % of a pentaerythritol based phosphite (component (H)).

    Abstract translation: 含有18-80重量％的具有特定粘度数和末端羧基含量与末端氨基含量比例（组分（A））的聚酰胺6树脂的热塑性树脂组合物; 5-25重量％的具有乙烯基芳族化合物聚合物嵌段和共轭二烯化合物聚合物嵌段（组分（B））的嵌段共聚物的氢化产物; 3-15重量％的这种嵌段共聚物（组分（C））的接枝改性的氢化产物，所述氢化产物以2.6-5.0重量％的量接枝改性马来酸酐，基于100重量％的所述接枝 改性氢化产物; 1-5重量％具有特定BET比表面积和特定DBP吸油量的导电炭黑（组分（D））; 10-30重量％具有特定平均粒径的滑石（组分（E））; 0.1-2重量％的亚膦酸酯化合物（组分（F））; 0.5-5重量％的乙烯 - 乙烯醇树脂（组分（G））; 0-1重量％的季戊四醇基亚磷酸酯（组分（H））。

    THERMOPLASTIC RESIN COMPOSITION FOR PRODUCING AUTOMOBILE EXTERIOR PARTS
    4.
    发明申请
    THERMOPLASTIC RESIN COMPOSITION FOR PRODUCING AUTOMOBILE EXTERIOR PARTS 有权

    公开(公告)号：US20090309073A1

    公开(公告)日：2009-12-17

    申请号：US12299910

    申请日：2007-05-08

    Applicant: Kiyoji Takagi ,  Morio Tsunoda ,  Masami Suzuki ,  Takayuki Nagai ,  Yasumitsu Isobe

    Inventor： Kiyoji Takagi ,  Morio Tsunoda ,  Masami Suzuki ,  Takayuki Nagai ,  Yasumitsu Isobe

    IPC: H01B1/24

    CPC classification number: C08L77/02 ,  C08K3/04 ,  C08K3/34 ,  C08K5/524 ,  C08K5/5393 ,  C08L51/04 ,  C08L53/02 ,  C08L2666/24

    Abstract: To provide a resin composition having highly balanced properties of fluidity, impact resistance, dimensional stability, rigidity, heat-resistant rigidity, electrical conductivity, coating adhesion and appearance, which properties are required as a thermoplastic resin material for producing automobile exterior parts, and being excellent in retention stability, and a thermoplastic resin composition for producing automobile exterior parts obtained by molding the resin composition followed by electrostatic coating.A thermoplastic resin composition for producing automobile exterior parts, including the following components (A) to (H) in the following weight percentage ranges based on 100% by weight of the sum of the entire components constituting the composition: 18 to 80% by weight of component (A) which is a polyamide 6 resin having a viscosity number, as measured in accordance with ISO-307, of 80 to 120 ml/g and a ratio of a content of terminal carboxyl groups (unit: μeq/g) to a content of terminal amino groups (unit: μeq/g) of 2≦(terminal carboxyl group content/terminal amino group content)≦6; 5 to 25% by weight of component (B) which is a hydrogenated product of a block copolymer comprising a vinyl aromatic compound polymer block and a conjugated diene compound polymer block; 3 to 15% by weight of component (C) which is a graft-modified hydrogenated product of a block copolymer comprising a vinyl aromatic compound polymer block and a conjugated diene compound polymer block, said hydrogenated product being graft-modified with maleic anhydride in an amount of 2.6 to 5.0% by weight based on 100% by weight of said graft-modified hydrogenated product; 1 to 5% by weight of component (D) which is conductive carbon black having a BET specific surface area of not less than 600 m2/g and a DBP oil absorption of not less than 300 ml/100 g; 10 to 30% by weight of component (E) which is talc having an average particle diameter of 0.5 to 10 μm; 0.1 to 2% by weight component (F) which is a phosphonite compound; 0.5 to 5% by weight of component (G) which is an ethylene-vinyl alcohol resin; and 0 to 1% by weight of component (H) which is a pentaerythritol based phosphite.

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