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    • 1. 发明专利
    • Piping for automobiles
    • 汽车管道
    • JP2010202724A
    • 2010-09-16
    • JP2009047697
    • 2009-03-02
    • Kuraray Co Ltd株式会社クラレ
    • TAKEDA HIDEAKIHASEGAWA TOSHIAKI
    • C08L77/00C08K3/10C08K3/16C08K5/13C08L23/26
    • PROBLEM TO BE SOLVED: To provide piping for automobiles that is excellent in various properties such as low water absorption, heat resistance, slidability, chemical resistance, gasoline barrier properties and the like, is formed from a polyamide composition excellent in melt stability such that no foaming is caused by a extrusion molding method and is excellent in long-term heat aging resistance.
      SOLUTION: The piping for automobiles is formed from a polyamide composition containing, based on 100 pts.mass of (A) a polyamide having an intrinsic viscosity of 0.6-2.0 dl/g as measured at 30°C in concentrated sulfuric acid and a melting point of 260°C or higher, 1-30 pts.mass of (B) a modified polyolefin, 0.005-0.025 pt.mass in terms of copper atom of (C) a copper compound and 0.2-10 pts.mass of (D) an organic stabilizer.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供具有优异的低吸水性,耐热性,滑动性,耐化学性,汽油阻隔性等各种性能的汽车用配管,由熔融稳定性优异的聚酰胺组合物形成 使得通过挤出成型法不引起发泡,并且长期耐热老化性优异。 解决方案:用于汽车的管道由聚酰胺组合物形成,该聚酰胺组合物基于100质量份(A)在30℃下在浓硫酸中测定的特性粘度为0.6-2.0dl / g的聚酰胺 熔点为260℃以上,(B)改性聚烯烃为1-30重量份,(C)铜化合物的铜原子为0.005〜0.025质量%,铜化合物为0.2〜10质量% (D)有机稳定剂。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Polyamide resin composition
    • 聚酰胺树脂组合物
    • JP2014012771A
    • 2014-01-23
    • JP2012150763
    • 2012-07-04
    • Kuraray Co Ltd株式会社クラレ
    • TAKEDA HIDEAKIKANGORI TOMOFUMIHASEGAWA TOSHIAKI
    • C08L77/00C08K5/5313C08L23/26H02G3/04
    • PROBLEM TO BE SOLVED: To provide a polyamide resin composition excellent in flame resistance, while being a non-halogen-based composition, and also excellent in flexibility, chemical resistance, heat resistance and extrusion moldability; and to provide a corrugated tube comprising the composition, and a cable protective tube comprising the tube.SOLUTION: A polyamide resin composition comprising a polyamide resin (A) having a specific amount of a terminal amino group, an impact resistance modifier (B) and a phosphinic acid-based compound (C) contains a 5-30 pts.mass of the phosphinic acid-based compound (C) with respect to 100 pts.mass of the total amount of the polyamide (A) and the impact resistance modifier (B). Further, in the polyamide resin composition, the total (M1+M2) of the mole number (M1) of the terminal amino group of the polyamide resin (A) in the total 1 g of the polyamide resin (A) and the impact resistance modifier (B) and the mole number (M2) of a carboxyl group carried by the impact resistance modifier (B) and/or its derivative is 10 μ-mol or more and less than 40 μ-mol, and M2 is 2.0 μ-mol or more and less than 30 μ-mol.
    • 要解决的问题:提供耐火性优异的聚酰胺树脂组合物,同时是非卤素组合物,并且还具有优异的柔韧性,耐化学性,耐热性和挤出成型性; 并提供包含该组合物的波纹管和包含该管的电缆保护管。解决方案:一种聚酰胺树脂组合物,其包含具有特定量的末端氨基的聚酰胺树脂(A),耐冲击性改性剂(B)和 次膦酸类化合物(C)相对于聚酰胺(A)和耐冲击性改性剂(A)的总量的100质量份,含有5-30质量份的次膦酸类化合物(C) B)。 此外,在聚酰胺树脂组合物中,聚酰胺树脂(A)的总1g中的聚酰胺树脂(A)的末端氨基的摩尔数(M1)与总共1g聚酰胺树脂(A)的摩尔数(M1 + M2)和耐冲击性 改性剂(B)和抗冲改性剂(B)和/或其衍生物所携带的羧基的摩尔数(M2)为10微摩尔以上且小于40微摩尔,M2为2.0微摩尔, mol以上且小于30μmol。