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    LACTIDE COPOLYMER, A PREPARATION METHOD THEREOF, AND A RESIN COMPOSITION INCLUDING THE SAME
    2.
    发明申请
    LACTIDE COPOLYMER, A PREPARATION METHOD THEREOF, AND A RESIN COMPOSITION INCLUDING THE SAME 有权
    乳化共聚物，其制备方法和包括其的树脂组合物

    公开(公告)号：US20140163178A1

    公开(公告)日：2014-06-12

    申请号：US14095647

    申请日：2013-12-03

    Applicant: LG Chem, Ltd.

    Inventor： Jung-Min Sohn ,  Seung Young Park ,  Sung-Cheol Yoon ,  Do-Yong Shim

    IPC: C08G63/91

    CPC classification number: C08G18/428 ,  C08G18/4009 ,  C08G18/4072 ,  C08G18/4244 ,  C08G18/4252 ,  C08G18/4266 ,  C08G18/4286 ,  C08G18/4887 ,  C08G18/725 ,  C08G18/792 ,  C08G63/08 ,  C08G63/664 ,  C08G63/6852 ,  C08G63/823 ,  C08G63/912 ,  C08L75/06 ,  C08L75/08

    Abstract: The present invention relates to a lactide copolymer having good flexibility in addition to excellent properties such as mechanical properties and processability and preferably being applicable as a packaging material, a preparation method thereof, and a resin composition including the same. The lactide copolymer includes two or more specific block copolymerized repeating units that the hard segments of polylactide repeating units are connected to both ends of the soft segments of polyether polyol repeating unit, and the block copolymerized repeating units are connected to each other through the intermediation of urethane connecting groups derived from polyvalent isocyanate compound of which the average equivalent of isocyanate group per a molecule is more than 2 and less than 3.

    Abstract translation: 本发明涉及具有良好的柔韧性的丙交酯共聚物，除了具有优异的性能如机械性能和加工性，并且优选适用于包装材料，其制备方法和包含其的树脂组合物。 丙交酯共聚物包括两个或更多个特定的嵌段共聚重复单元，其中聚丙交酯重复单元的硬链段连接到聚醚多元醇重复单元的软链段的两端，并且嵌段共聚重复单元通过以下方式彼此连接： 衍生自每分子的异氰酸酯基平均当量大于2且小于3的多价异氰酸酯化合物的氨基甲酸酯连接基团。

    Packaging film including a lactide copolymer
    3.
    发明授权
    Packaging film including a lactide copolymer 有权
    包装膜包括丙交酯共聚物

    公开(公告)号：US09074042B2

    公开(公告)日：2015-07-07

    申请号：US14096288

    申请日：2013-12-04

    Applicant: LG CHEM LTD.

    Inventor： Jung-Min Sohn ,  Seung Young Park ,  Sung-Cheol Yoon ,  Do-Yong Shim

    IPC: C08G18/42 ,  C08G63/08 ,  C08G18/48 ,  C08G18/72 ,  C08J5/18 ,  C08G18/79 ,  C09J175/04 ,  C08G63/66 ,  C08G18/73 ,  C08G18/76

    CPC classification number: C08G63/08 ,  C08G18/42 ,  C08G18/4887 ,  C08G18/725 ,  C08G18/73 ,  C08G18/7671 ,  C08G18/792 ,  C08G63/66 ,  C08G63/664 ,  C08J5/18 ,  C08J2367/04 ,  C08J2375/06 ,  C09J175/04

    Abstract: The present invention relates to a packaging film including a lactide copolymer having no problem of pollution or toxicity while having good flexibility in addition to excellent properties such as mechanical properties, transparency, and processability, and preferably being applicable to food packaging. The packaging film includes a lactide copolymer including two or more specific block copolymerized repeating units that the hard segments of polylactide repeating units are connected to both ends of the soft segments of polyether polyol repeating unit, wherein the block copolymerized repeating units are connected to each other through the intermediation of urethane connecting groups derived from polyvalent isocyanate compound of which the average equivalent of isocyanate group per a molecule is more than 2 and less than 3.

    Abstract translation: 本发明涉及包含没有污染或毒性问题的丙交酯共聚物的包装膜，同时具有良好的柔软性，除了机械性能，透明性和加工性等优异的性能外，优选适用于食品包装。 包装膜包括含有两个或多个特定的嵌段共聚重复单元的丙交酯共聚物，聚丙烯酸酯重复单元的硬链段连接到聚醚多元醇重复单元的软链段的两端，其中嵌段共聚的重复单元彼此连接 通过衍生自每分子的异氰酸酯基平均当量大于2且小于3的多价异氰酸酯化合物的氨基甲酸酯连接基团的中和。

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