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    • 7. 发明公开
    • COMPOSITIONS DE POLYAMIDE ET DE PEBA POUR L'INJECTION DE PIÈCES RIGIDES RÉSISTANT A LA FATIGUE
    • ZUSAMMENSETZUNGEN AUS POLYAMID UND PEBA ZUR INJEKTION VONERMÜDUNGSBESTÄNDIGENSTEIFEN TEILEN
    • EP3126447A1
    • 2017-02-08
    • EP15718968.9
    • 2015-03-23
    • Arkema France
    • FERNAGUT, FrançoisEUSTACHE, René-PaulSABARD, MathieuDEYRAIL, Yves
    • C08L77/00C08L77/06
    • C08L77/02A43B5/0482C08L77/00C08L77/06C08L2201/08C08L2205/02
    • A composition comprising, by weight, the total being equal to 100 %: (A) 50 to 95% of at least one semi-crystalline polyamide of formula A/Z in which, - A is a repetitive aliphatic unit chosen from a unit obtained from the polycondensation of at least one amino acid and a unit obtained from the polycondensation of at least one lactam or a unit X.Y obtained from the polycondensation: - of at least one diamine, and - of at least one carboxylic diacid, and - Z represents another polyamide and comprises 0 to 20%; (B) 5 to 50% of at least one semi-crystalline copolyamide having amide units (Ba1) and polyether units (Ba2), having a vitreous transition temperature(Tg) of less than 75°C, the mixture (A) + (B) having a bending modulus of between 600 and less than 1000 MPa, as determined according to standard ISO 178:2010; (C) 0 to 20% by weight of fibres and/or fillers, (D) 0 to 20% of at least one impact modifier, (E) 0 to 5% of at least one additive, for producing a sports item.
    • 一种组合物,其按总重量计等于100%:(A)50至95%的至少一种式A / Z的半结晶聚酰胺,其中 - A是从所获得的单元中选出的重复脂族单元 由至少一种氨基酸和由缩聚得到的至少一种内酰胺缩聚得到的单元: - 至少一种二胺和至少一种羧酸二酸的缩合反应,-Z代表 另一种聚酰胺,含0-20%; (B)具有玻璃态转变温度(Tg)小于75℃的具有酰胺单元(Ba1)和聚醚单元(Ba2)的至少一种半结晶共聚酰胺的5至50%,混合物(A)+( B)根据标准ISO 178:2010确定的弯曲模量为600至小于1000MPa; (C)0至20重量%的纤维和/或填料,(D)0至20重量%的至少一种抗冲改性剂,(E)0至5%的至少一种添加剂,用于制备运动用品。