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    • 6. 发明授权
    • Secondary battery case
    • 二次电池盒
    • US06602637B1
    • 2003-08-05
    • US09713694
    • 2000-11-15
    • Yoshihiro KurasawaNaoto Obayashi
    • Yoshihiro KurasawaNaoto Obayashi
    • H01M204
    • H01M2/0257H01M2/0262H01M2/0482H01M2002/0297
    • The present invention relates to a secondary battery case being molded by a thermoplastic resin composition comprising: (A) a polyphenylene ether-based resin, (B) a crystalline polypropylene resin which is a homopolymer or a copolymer of polypropylene, and (C) a hydrogenated block copolymer comprising an aromatic vinyl compound polymer block and a conjugated diene compound polymer block, the (A)/(B) ratio by weight being 7/93 to 70/30, the amount of (C) being 2 to 40 parts by weight based on 100 parts by weight of (A) and (B) combined, the melt flow rate of said crystalline polypropylene resin (B) being 0.1 to 10 g/10 min as measured according to JIS K-7210 at 230° C. and 21.17 N, the density of the propylene polymer moiety in said crystalline polypropylene resin being not less than 0.906 g/cm3.
    • 本发明涉及一种由热塑性树脂组合物模塑的二次电池壳体,其包含:(A)聚苯醚系树脂,(B)作为聚丙烯的均聚物或共聚物的结晶性聚丙烯树脂,(C) 包含芳香族乙烯基化合物聚合物嵌段和共轭二烯化合物聚合物嵌段的氢化嵌段共聚物,(A)/(B)重量比为7/93〜70/30,(C)的量为2〜40份 (A)和(B)组合的100重量份,所述结晶聚丙烯树脂(B)的熔体流动速率在230℃下根据JIS K-7210测量为0.1-10g / 10min 和21.17N,所述结晶聚丙烯树脂中的丙烯聚合物部分的密度不小于0.906g / cm 3。