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    • 1. 发明授权
    • Molding resin and process for production thereof
    • 成型树脂及其制造方法
    • US07169882B2
    • 2007-01-30
    • US10508954
    • 2003-08-19
    • Takashi MiharaShouji ImamuraMasao Kamikura
    • Takashi MiharaShouji ImamuraMasao Kamikura
    • C08G63/00
    • C08L67/00C08G63/60C08G2261/126C08L67/04C08L87/005C08L2666/18
    • A molding resin formed from a block copolymer comprising polyhydroxycarboxylic acid structural units (I), and polyester structural units (II) derived from a dicarboxylic acid and a diol; wherein the weight ratio (I)/(II) between the polyhydroxycarboxylic acid structural units (I) and the polyester structural units (II) is within a range from 95/5 to 10/90; the resin has a microphase separated structure in which either the polyhydroxycarboxylic acid structural units (I) or the polyester structural units (II) forms domains within a matrix formed by the other structural units; the average domain size of the domains is within a range from 0.08 to 5.0 μm; and the weight average molecular weight of the molding resin is within a range from 10,000 to 400,000.
    • 由包含聚羟基羧酸结构单元(I)和由二羧酸和二醇衍生的聚酯结构单元(II)的嵌段共聚物形成的模制树脂; 其中聚羟基羧酸结构单元(I)和聚酯结构单元(II)之间的重量比(I)/(II)在95/5至10/90的范围内; 所述树脂具有微相分离结构,其中所述多羟基羧酸结构单元(I)或所述聚酯结构单元(II)在由其它结构单元形成的基质内形成结构域; 域的平均域大小在0.08至5.0μm的范围内; 成型树脂的重均分子量在10,000〜400,000的范围内。