폴리에스테르의 연속 제조방법
    2.
    发明公开
    폴리에스테르의 연속 제조방법 审中-实审
    连续制备聚酯

    公开(公告)号:KR1020140071536A

    公开(公告)日:2014-06-12

    申请号:KR1020120131180

    申请日:2012-11-19

    Abstract: The present invention relates to a method for continuous polymerization of polyester and, more specifically, to a method for continuous polymerization of polyester and to a polymerization reactor applied thereto, the method comprising: obtaining an ester oligomer by performing esterification or trans-esterification; and continuously injecting the ester oligomer in a liquid polymerization reactor to continuously produce polyester polymers in the liquid polymerization reactor.

    Abstract translation: 本发明涉及一种聚酯的连续聚合方法,更具体地说,涉及一种连续聚合聚酯和聚合反应器的方法,该方法包括:通过进行酯化或酯交换得到酯低聚物; 并在液体聚合反应器中连续注入酯低聚物,以在液体聚合反应器中连续生产聚酯聚合物。

    저산가 에스테르 올리고머의 제조방법
    4.
    发明公开
    저산가 에스테르 올리고머의 제조방법 审中-实审
    具有低酸度的酯低聚物的重复方法

    公开(公告)号:KR1020140077342A

    公开(公告)日:2014-06-24

    申请号:KR1020120146023

    申请日:2012-12-14

    Abstract: The present invention relates to a method to manufacture ester oligomer and, more specifically, to a method to manufacture an esterification reaction product with low acidity containing ester oligomer obtained via esterification or trans-esterification; and manufacturing polyester by polymerizing by adding the liquid state of the manufactured esterification reaction product with low acidity.

    Abstract translation: 本发明涉及一种制备酯低聚物的方法,更具体地说涉及一种通过酯化或酯交换制备含低酸度酯基低聚物的酯化反应产物的方法; 并通过以低酸度添加所生产的酯化反应产物的液态来聚合制造聚酯。

    에스테르화 반응 생성물의 제조방법 및 상기 에스테르화 반응 생성물을 이용하는 폴리에스테르의 제조방법
    6.
    发明公开
    에스테르화 반응 생성물의 제조방법 및 상기 에스테르화 반응 생성물을 이용하는 폴리에스테르의 제조방법 无效
    制备反应产物的方法和使用酯化反应产物制备聚酯的方法

    公开(公告)号:KR1020140021755A

    公开(公告)日:2014-02-20

    申请号:KR1020120087440

    申请日:2012-08-09

    Abstract: The present invention relates to a method for preparing esterification reaction products and a method for preparing polyester using esterification reaction products and more specifically, to a method for preparing esterification reaction products in which the content of dipropylene glycol is reduced, and to a method for preparing polyester using the esterification reaction products, in which generation of impurities such as acrolein, aryl alcohol, and the likes is reduced. [Reference numerals] (AA) End; (BB) Example 1; (CC) Example 2

    Abstract translation: 本发明涉及一种酯化反应产物的制备方法和使用酯化反应产物制备聚酯的方法,更具体地说,涉及制备二丙二醇含量降低的酯化反应产物的方法和制备方法 使用酯化反应产物的聚酯,其中诸如丙烯醛,芳基醇等杂质的产生减少。 (附图标记)(AA)结束; (BB)实施例1; (CC)实施例2

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