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    VINYL CHLORIDE-BASED POLYMER, PREPARATION METHOD THEREFOR, AND THERMOPLASTIC RESIN COMPOSITION CONTAINING SAME
    2.
    发明公开
    VINYL CHLORIDE-BASED POLYMER, PREPARATION METHOD THEREFOR, AND THERMOPLASTIC RESIN COMPOSITION CONTAINING SAME 审中-公开
    基于氯乙烯的聚合物，其制备方法以及含有该聚合物的热塑性树脂组合物

    公开(公告)号：EP3284761A1

    公开(公告)日：2018-02-21

    申请号：EP16803789.3

    申请日：2016-06-03

    申请人： LG Chem, Ltd.

    发明人： AHN, Seong Yong ,  KIM, Kun Ji ,  LEE, Se Woong ,  SHIN, Seong Jae

    IPC分类号： C08F214/06 ,  C08F220/10 ,  C08L27/06

    摘要： The present invention relates to a vinyl chloride-based polymer containing a predetermined ratio of unsaturated fatty acid ester, a preparation method therefor, a thermoplastic resin composition containing same, and a thermoplastic molded product manufactured from the composition. The vinyl chloride-based polymer, according to the present invention, may exhibit excellent processability, and thus the thermoplastic molded product manufactured from the thermoplastic resin composition containing same may not only have high impact strength but also improved exterior properties.

    摘要翻译： 本发明涉及含有规定比例的不饱和脂肪酸酯的氯乙烯系聚合物及其制备方法，含有该组合物的热塑性树脂组合物，以及由该组合物制造的热塑性成型体。 根据本发明的基于氯乙烯的聚合物可以表现出优异的加工性，因此由含有它的热塑性树脂组合物制造的热塑性模塑制品不仅可以具有高冲击强度，而且还可以改善外部特性。

    VINYL-BASED POLYMER AND PREPARATION METHOD THEREFOR
    6.
    发明公开
    VINYL-BASED POLYMER AND PREPARATION METHOD THEREFOR 审中-公开
    乙烯基聚合物及其制备方法

    公开(公告)号：EP3181601A1

    公开(公告)日：2017-06-21

    申请号：EP16803788.5

    申请日：2016-06-03

    申请人： LG Chem, Ltd.

    发明人： AHN, Seong Yong ,  KIM, Kun Ji ,  LEE, Se Woong

    IPC分类号： C08F214/06 ,  C08F14/06

    CPC分类号： C08F214/06 ,  C08F14/06 ,  C08F18/16 ,  C08F222/10 ,  C08F2222/1013

    摘要： Provided are a vinyl chloride-based copolymer, as a secondary particle in which primary particles are assembled, which may exhibit excellent mechanical properties and transparency as well as excellent plasticity by having an average pore diameter of 100 nm or less and a porosity of 40 vol% or less, including 65 wt% to 97 wt% of a vinyl chloride-based monomer-derived repeating unit; and 3 wt% to 35 wt% of cis and trans isomers of an unsaturated fatty acid ester-derived repeating units, and including the repeating units respectively derived from the cis and trans isomers of the unsaturated fatty acid ester in a weight ratio of 60:40 to 99:1, and a method of preparing the same.

    摘要翻译： 本发明提供一种氯乙烯系共聚物，作为组装了一次粒子的二次粒子，通过平均孔径为100nm以下，气孔率为40体积，可以发挥优异的机械特性和透明性，并且塑性优异 包括65重量％至97重量％的基于氯乙烯的单体的重复单元; 和3重量％至35重量％的不饱和脂肪酸酯衍生的重复单元的顺式和反式异构体，并且所述重复单元包含重量比分别为60:1至50:1的不饱和脂肪酸酯的顺式和反式异构体的重复单元。 40至99：1，及其制备方法。

    VINYL CHLORIDE POLYMER AND METHOD FOR PREPARING SAME
    8.
    发明公开
    VINYL CHLORIDE POLYMER AND METHOD FOR PREPARING SAME 审中-公开

    公开(公告)号：EP3789410A1

    公开(公告)日：2021-03-10

    申请号：EP19795973.7

    申请日：2019-04-29

    申请人： LG CHEM, LTD.

    发明人： AHN, Seong Yong ,  KIM, Kun Ji ,  LEE, Se Woong ,  JU, Jin Hyuck ,  HA, Hyun Kyou

    IPC分类号： C08F14/06 ,  C08F114/06 ,  C08F2/18

    摘要： The present invention relates to a vinyl chloride polymer and a production method thereof. More specifically, the present invention provides a vinyl chloride polymer having a polydispersity index of 2.0 to 2.3 and a porosity of 60 % or greater and a production method of the vinyl chloride polymer. The production method of the vinyl chloride polymer is specifically a method in which a vinyl chloride polymerization seed having a conversion rate of 5-20 % is first prepared through preliminary polymerization and then a vinyl chloride monomer is introduced into the vinyl chloride polymerization seed to polymerize (main polymerization) a vinyl chloride polymer, and at this time, the temperature difference between the preliminary polymerization and the main polymerization is controlled to be 5-15°C. The production method has an effect of improving polymerization productivity, and since a vinyl chloride polymer produced by the production method may exhibit desired physical properties, the production method also has an effect of improving fish eye quality and initial coloring properties and having excellent processability.