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    • 5. 发明申请
    • POLYESTER RESIN RESULTING FROM THE COPOLYMERISATION OF LACTIC ACID AND ISOSORBIDE, AND A PRODUCTION METHOD THEREFOR
    • 由酸乳酸和异山梨醇的共聚合得到的聚酯树脂及其生产方法
    • US20140011976A1
    • 2014-01-09
    • US14006167
    • 2012-03-28
    • Dong-Jin KimJong-Ryang Kim
    • Dong-Jin KimJong-Ryang Kim
    • C08G63/60
    • C08G63/60C08G63/66
    • A polyester resin with a superior heat-resistance and color as well as high content of a compound derived from biomass due to copolymerization of lactic acid or a compound derived therefrom and isosorbide, and a method for preparing the same are disclosed. The polyester resin is copolymerized with diacid components including terephthalic acid; diol components including 1 to 60 mol % of isosorbide and 1 to 90 mol % of ethylene glycol with respect to total diol components; and 1 to 50 weight % of lactic acid or a compound derived therefrom with respect to total reactants for resin polymerization, wherein, the polyester resin has the repeated structure of diacid moiety derived from the diacid components, diol moiety derived from the diol components and hydroxy monoacid moiety derived from the lactic acid or the compound derived therefrom.
    • 公开了具有优异的耐热性和颜色的聚酯树脂以及由于乳酸或其衍生物与异山梨醇的共聚而衍生自生物质的化合物的高含量及其制备方法。 聚酯树脂与二酸成分共聚,包括对苯二甲酸; 相对于二醇成分,含有1〜60摩尔%的异山梨醇和1〜90摩尔%的乙二醇的二醇成分; 和1至50重量%的乳酸或由其衍生的化合物相对于树脂聚合的总反应物,其中,聚酯树脂具有源自二酸组分的二酸部分的重复结构,衍生自二醇组分的二醇部分和羟基 衍生自乳酸的单酸部分或由其衍生的化合物。