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    • 6. 发明授权
    • Acrylic block copolymer composition and molded article thereof
    • 丙烯酸嵌段共聚物组合物及其成型体
    • US08129030B2
    • 2012-03-06
    • US12532638
    • 2008-03-26
    • Hiroshi OshimaToyoaki KuriharaAkiko IdeKenichi Hamada
    • Hiroshi OshimaToyoaki KuriharaAkiko IdeKenichi Hamada
    • B32B27/30B32B27/36C08L53/00C08L67/02
    • C08F297/026B60R13/02B60R13/0256B60R13/04C08F297/02C08L53/00C08L67/02C09D153/00Y10T428/31786C08L2666/14C08L2666/02C08L2666/24
    • [PROBLEMS] To provide a polymer composition that simultaneously has excellent paintability and high oil resistance and is also excellent in thin-wall moldability and flexibility; and a molded article produced by injection-molding of the composition and being suitable for composite-molded grips, automotive interior and exterior trims, and so on. [MEANS FOR SOLVING PROBLEMS] A polymer composition and a molded article that are comprising 33 to 67% by mass of a polybutylene terephthalate-based resin (A) and 67 to 33% by mass of an acrylic block copolymer (B); and in the acrylic block copolymer (B), two polymer blocks (b2) comprising a unit of methacrylic ester such as methyl methacrylate are bonded to the both ends of a polymer block (b1) comprising a unit of acrylic ester such as butyl acrylate, the total mass of the polymer block (b2) is 20 to 35% by mass with respect to the acrylic block copolymer (B), the weight-average molecular weight is 50000 to 100000, and the order-disorder transition temperature is 180 to 230° C.
    • [问题]提供同时具有优异的可涂饰性和高耐油性的聚合物组合物,并且还具有优异的薄壁成型性和柔韧性; 以及通过注射成型组合物并且适合于复合模制夹具,汽车内部和外部装饰等而制造的模制品。 解决问题的手段聚亚烷基对苯二甲酸酯类树脂(A)为33〜67质量%,丙烯酸系嵌段共聚物(B)为67〜33质量%)的聚合物组合物和成型体。 在丙烯酸​​系嵌段共聚物(B)中,将包含甲基丙烯酸酯单元如甲基丙烯酸甲酯的两个聚合物嵌段(b2)与包含丙烯酸酯单元如丙烯酸丁酯的聚合物嵌段(b1)的两端粘合, 相对于丙烯酸系嵌段共聚物(B),聚合物嵌段(b2)的总质量为20〜35质量%,重均分子量为50000〜100000,无序转变温度为180〜230 C。
    • 8. 发明申请
    • POLYMER COMPOSITION AND MOLDED ARTICLE THEREOF
    • 聚合物组合物及其制品
    • US20100119797A1
    • 2010-05-13
    • US12532638
    • 2008-03-26
    • Hiroshi OshimaToyoaki KuriharaAkiko IdeKenichi Hamada
    • Hiroshi OshimaToyoaki KuriharaAkiko IdeKenichi Hamada
    • B32B27/32C08L53/00B32B27/08
    • C08F297/026B60R13/02B60R13/0256B60R13/04C08F297/02C08L53/00C08L67/02C09D153/00Y10T428/31786C08L2666/14C08L2666/02C08L2666/24
    • [Problems] To provide a polymer composition that simultaneously has excellent paintability and high oil resistance and is also excellent in thin-wall moldability and flexibility; and a molded article produced by injection-molding of the composition and being suitable for composite-molded grips, automotive interior and exterior trims, and so on.[Means for Solving Problems] A polymer composition and a molded article that are comprising 33 to 67% by mass of a polybutylene terephthalate-based resin (A) and 67 to 33% by mass of an acrylic block copolymer (B); and in the acrylic block copolymer (B), two polymer blocks (b2) comprising a unit of methacrylic ester such as methyl methacrylate are bonded to the both ends of a polymer block (b1) comprising a unit of acrylic ester such as butyl acrylate, the total mass of the polymer block (b2) is 20 to 35% by mass with respect to the acrylic block copolymer (B), the weight-average molecular weight is 50000 to 100000, and the order-disorder transition temperature is 180 to 230° C.
    • [问题]提供同时具有优异的可涂色性和高耐油性的聚合物组合物,并且薄壁成型性和柔软性也优异; 以及通过注射成型组合物并且适合于复合模制夹具,汽车内部和外部装饰等而制造的模制品。 [解决问题的方法]聚对苯二甲酸丁二醇酯类树脂(A)为33〜67质量%,丙烯酸系嵌段共聚物(B)为67〜33质量%)的聚合物组合物和成型体。 在丙烯酸​​系嵌段共聚物(B)中,将包含甲基丙烯酸酯单元如甲基丙烯酸甲酯的两个聚合物嵌段(b2)与包含丙烯酸酯单元如丙烯酸丁酯的聚合物嵌段(b1)的两端粘合, 聚合物嵌段(b2)的总质量相对于丙烯酸系嵌段共聚物(B)为20〜35质量%,重均分子量为50000〜100000,有序无序转变温度为180〜230 C。