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    • 2. 发明专利
    • Resin composition for manufacturing automotive exterior part
    • 用于制造汽车外部部件的树脂组合物
    • JP2005179547A
    • 2005-07-07
    • JP2003424076
    • 2003-12-22
    • Mitsubishi Engineering Plastics CorpToyota Motor Corpトヨタ自動車株式会社三菱エンジニアリングプラスチックス株式会社
    • TAKAGI KIYOJIIWAKI MITSUJINAKAMURA MITSURUSUZUKI MASAMIMURAMATSU SHIGERUSEKITO TAKESHIYASUNAGA KENICHI
    • B62D25/16C08K3/04C08K3/34C08K5/524C08K5/5393C08L77/00
    • PROBLEM TO BE SOLVED: To provide a resin composition for manufacturing automotive exterior parts excellent in the balance among fluidity, heat resistance, impact resistance, rigidity and a linear expansion coefficient and also excellent in electroconductivity, good coating adhesion and stagnation thermal stability (thermal stability when retained in a molten state for long hours).
      SOLUTION: The resin composition for manufacturing automotive exterior parts comprises a modified product {a component (A)} obtained by reacting, in a molten state, (A1) a polyphenylene ether, (A2) a hydrogenated product of a block copolymer comprising a vinyl aromatic compound polymer block A and a conjugated diene compound polymer block B, (A3) an unsaturated acid anhydride and/or an unsaturated acid and (A4) a radical initiator, and, incorporated therewith, a polyamide {a component (B)}, a pentaerythritol phosphite compound {a component (C)}, a phosphonite compound {a component (D)}, magnesium silicate (talc) {a component (E)}, electroconductive carbon black {a component (F)} and an ethylene-vinyl alcohol copolymer {a component (G)}, each in a specific ratio.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决问题的方案:提供流动性,耐热性,耐冲击性,刚性和线性膨胀系数之间的平衡优异的汽车外用部件的树脂组合物,并且还具有优异的导电性,良好的涂层附着力和停滞热稳定性 (长时间保持在熔融状态时的热稳定性)。 解决方案:用于制造汽车外部部件的树脂组合物包括通过使熔融状态下的(A1)聚苯醚(A2)与嵌段共聚物的氢化产物(A2)反应获得的改性产物äa组分(A) 乙烯基芳族化合物聚合物嵌段A和共轭二烯化合物聚合物嵌段B,(A3)不饱和酸酐和/或不饱和酸和(A4)自由基引发剂,并且与其结合,聚酰胺ä组分(B)} ,季戊四醇亚磷酸酯化合物ä组分(C)},亚膦酸酯化合物组分(D)},硅酸镁(滑石)组分(E)},导电炭黑组分(F)}和乙烯 - 乙烯醇共聚物 äa组分(G)},每个以具体的比例。 版权所有(C)2005,JPO&NCIPI
    • 4. 发明专利
    • Propylene-based resin composition and its molding
    • 丙烯基树脂组合物及其成型
    • JP2005187624A
    • 2005-07-14
    • JP2003430316
    • 2003-12-25
    • Japan Polypropylene CorpToyota Motor Corpトヨタ自動車株式会社日本ポリプロ株式会社
    • NAKAYAMA KOICHIMASUDA KENJIUBOSHI RYOJIZANKA YUKITONAGAI TAKAYUKIYASUNAGA KENICHIISOBE YASUMITSU
    • B05D1/04B05D7/24C08J7/04C08K3/04C08K3/34C08L53/00
    • PROBLEM TO BE SOLVED: To provide a propylene-based resin composition which has an excellent balance between mechanical properties and coatability, particularly electroconductivity enabling electrostatic primerless coating with a water-based coating and a molding using the composition.
      SOLUTION: The propylene-based resin composition comprises 100 pts.wt. of (A) a propylene-based resin composition containing (a) a propylene-ethylene block copolymer, (b) an ethylenic elastomer, (c) talc and, as necessary, (d) a styrenic hydrogenated block polymer rubber. (B) 1-15 pts.wt. of a polyhydroxy polyolefin and (C) 1-10 pts.wt. of an electroconductive carbon. The volume specific resistance of the propylene-based resin composition is ≤10
      8 Ωcm. The contact angle of a waterdrop to the surface of a molding molded from the propylene-based resin composition is 65-80°. The propylene-based resin composition is for use in electrostatic coating and has an excellent balance among electroconductivity, coatability and impact strength. The molding obtained from the composition is presented.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供在机械性能和可涂布性之间具有优异平衡的丙烯类树脂组合物,特别是使用水性涂料进行静电无底漆涂布的导电性和使用该组合物的模塑。 解决方案:丙烯类树脂组合物包含100重量份 (A)丙烯类树脂组合物,其含有(a)丙烯 - 乙烯嵌段共聚物,(b)乙烯类弹性体,(c)滑石,必要时,(d)苯乙烯氢化嵌段聚合物橡胶。 (B)1-15重量 的多羟基聚烯烃和(C)1-10重量份 的导电碳。 丙烯类树脂组合物的体积电阻率为≤10 8 Ωcm。 水滴与由丙烯类树脂组合物成型的成型体的表面的接触角为65〜80度。 丙烯类树脂组合物用于静电涂布,并且在导电性,涂布性和冲击强度之间具有优异的平衡。 提出从组合物得到的模制品。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Resin component for producing automobile exterior part
    • 用于生产汽车外部零件的树脂组件
    • JP2006022131A
    • 2006-01-26
    • JP2004198879
    • 2004-07-06
    • Mitsubishi Engineering Plastics CorpToyota Motor Corpトヨタ自動車株式会社三菱エンジニアリングプラスチックス株式会社
    • OYAMA HAJIMETAKAGI KIYOJISUZUKI MASAMIYASUNAGA KENICHINAGAI TAKAYUKI
    • C08L77/00C08L23/08C08L23/26
    • PROBLEM TO BE SOLVED: To provide a resin composition, excellent in rigidity, surface impact resistance, flowing property, electroconductivity, appearance and coating property which are required as an automobile exterior part-producing material, and also having a small shrinkage of the resin even on being exposed to a high temperature in coating time.
      SOLUTION: This composition is obtained by blending the following (A) to (E) components: (A) 36-68 pts. wt. polyamide 6 resin having ≤120 mL/g ISO viscosity number and ≥1.5 {the terminal carboxy group (unit: μeq/g)/the terminal amino group (unit: μeq/g)}, (B) 15-25 pts. wt. ethylene-butene-1 copolymer graft-modified with maleic anhydride, (C) 1-4 pts. wt. electroconductive carbon black, (D) 15-30 pts. wt. talc not being surface-treated with a silane-coupling agent, and (E) 1-5 pts. wt. ethylene vinyl alcohol resin.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供作为汽车外部零件生产材料所需的具有优异的刚性,耐表面冲击性,流动性,导电性,外观和涂布性的树脂组合物,并且还具有小的收缩率 树脂即使在涂布时间内暴露于高温下也是如此。 解决方案:通过将以下(A)至(E)组分混合得到该组合物:(A)36-68份。 重量。 ≥120mL / g ISO粘度值和≥1.5%末端羧基(单位:μeq/ g)/末端氨基(单位:μeq/ g)},(B)15-25 pts的聚酰胺6树脂。 重量。 用马来酸酐接枝改性的乙烯 - 丁烯-1共聚物,(C)1-4份。 重量。 导电炭黑,(D)15-30点。 重量。 滑石不用硅烷偶联剂进行表面处理,(E)1-5份。 重量。 乙烯乙烯醇树脂。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Resin composition for exterior of automobile
    • 汽车外部树脂组合物
    • JP2003277602A
    • 2003-10-02
    • JP2002080442
    • 2002-03-22
    • Asahi Kasei CorpToyota Motor Corpトヨタ自動車株式会社旭化成株式会社
    • NIINO MASAHIKOYASUNAGA KENICHISEKITO TAKESHI
    • C08L77/00C08K3/16C08K3/24
    • PROBLEM TO BE SOLVED: To obtain a polyamide-polyphenylene ether-based resin composition for an exterior of an automobile, satisfying a close adhesion to a coating material for the exterior of the automobile and the prevention of reduction of an Izod impact strength after its formation and retention.
      SOLUTION: The polyamide-polyphenylene ether-based resin composition for the exterior of the automobile is characterized by containing (A) 50-95 pts.wt. of a polyamide 6,6 having ≤37 relative viscosity in formic acid, (B) 5-50 pts.wt. of a polyphenylene ether, (C) 1-30 pts.wt. of a block copolymer of an ABAB type hydrogenated aromatic vinyl-a conjugated diene compound [based on 100 pts.wt. (A)+(B)] and (D) a halogen salt having ≤100 μm mean particle diameter and a transition metal salt, and having 3,700-20,000 ppm halogen concentration in the composition and 0.001-0.08 concentration ratio of the transition metal to the halogen (the transition metal concentration/the halogen concentration).
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了获得汽车外部的聚酰胺 - 聚苯醚类树脂组合物,满足与汽车外部用涂料的紧密粘合性,防止艾佐德冲击强度降低 其形成和保留后。 解决方案:用于汽车外部的聚酰胺 - 聚苯醚类树脂组合物的特征在于含有(A)50-95重量份 的在甲酸中具有≤37相对粘度的聚酰胺6,6(5-50重量份) 的聚苯醚,(C)1-30重量份 的ABAB型氢化芳族乙烯基 - 共轭二烯化合物的嵌段共聚物[基于100重量份 (A)+(B)]和(D)平均粒径≤100μm的卤素盐和过渡金属盐,组合物中的卤素浓度为3,700-20,000ppm,过渡金属浓度为0.001-0.08 卤素(过渡金属浓度/卤素浓度)。 版权所有(C)2004,JPO