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    • 8. 发明授权
    • Polyester copolymer
    • 聚酯共聚物
    • US4436896A
    • 1984-03-13
    • US418120
    • 1982-09-14
    • Ichiro OkamotoYuzo Toga
    • Ichiro OkamotoYuzo Toga
    • C08G63/60C08G63/672C09J167/00C08G63/66
    • C09J167/00C08G63/60C08G63/672
    • A polyester copolymer, suitable for an adhesive, is obtained by copolymerizing(A) terephthalic acid or a mixture of more than 50 mol % of terephthalic acid and at least one kind of dicarboxylic acid selected from aromatic dicarboxylic acids excluding terephthalic acid and aliphatic dicarboxylic acids,(B) a low-molecular weight diol composed of 1 to 50 mol % of 2-methyl-1,3-propanediol and 99 to 50 mol % of 1,6-hexanediol, and(C) at least one kind of high-molecular weight diol (in such an amount that the high-molecular weight diol component in the copolymer is 0 to 60 wt %) selected from polyalkylene ether glycol and polycaprolactone glycol.
    • 通过使(A)对苯二甲酸或大于50摩尔%的对苯二甲酸和至少一种选自除对苯二甲酸和脂族二羧酸之外的芳族二羧酸的二羧酸的混合物共聚合得到粘合剂的聚酯共聚物 ,(B)由1〜50摩尔%的2-甲基-1,3-丙二醇和99〜50摩尔%的1,6-己二醇构成的低分子量二醇,(C)至少1种以上 - 分子量二醇(共聚物中的高分子量二醇成分为0〜60重量%),选自聚亚烷基醚二醇和聚己内酯二醇。