METHOD FOR PRODUCING POLYESTER
    2.
    发明申请
    METHOD FOR PRODUCING POLYESTER 审中-公开
    生产聚酯的方法

    公开(公告)号:US20160229953A1

    公开(公告)日:2016-08-11

    申请号:US15022226

    申请日:2014-09-18

    CPC classification number: C08G63/85 C08G63/183 C08G63/80

    Abstract: The invention provides a method for producing polyester comprising: a step for preparing an oligomer comprising a dicarboxylic acid diester by an esterification reaction or a transesterification reaction between a dicarboxylic acid or an ester-forming derivative thereof and a glycol, and then a step for subjecting the oligomer to melt-polycondensation to provide polyester as melt-polycondensate, wherein at least in the step of subjecting the oligomer to melt-polycondensation of the two steps, the oligomer is subjected to melt-polycondensation in the presence of titanium nitride and, as a polycondensation catalyst, particles of a solid base having a coating layer of titanic acid on the surfaces, thereby to provide polyester as melt-polycondensate.

    Abstract translation: 本发明提供一种生产聚酯的方法,包括:通过酯化反应或二羧酸或其成酯衍生物与二醇之间的酯交换反应制备包含二羧酸二酯的低聚物的步骤,然后, 所述低聚物进行熔融缩聚以提供聚酯作为熔融缩聚物,其中至少在使所述低聚物进行所述两个步骤的熔融缩聚的步骤中,所述低聚物在氮化钛存在下进行熔融缩聚,如 缩聚催化剂,在表面具有钛酸涂层的固体碱的颗粒,从而提供作为熔融缩聚物的聚酯。

    POLYCONDENSATION CATALYST FOR PRODUCING POLYESTER AND METHOD FOR PRODUCING POLYESTER USING THE SAME
    3.
    发明申请
    POLYCONDENSATION CATALYST FOR PRODUCING POLYESTER AND METHOD FOR PRODUCING POLYESTER USING THE SAME 审中-公开
    用于生产聚酯的聚合催化剂及其制备聚酯的方法

    公开(公告)号:US20150258530A1

    公开(公告)日:2015-09-17

    申请号:US14723634

    申请日:2015-05-28

    Abstract: The invention provides a polycondensation catalyst for producing polyester by an esterification reaction or a transesterification reaction between a dicarboxylic acid or ester-forming derivative thereof and a glycol, wherein the polycondensation catalyst comprises particles of a solid base having on their surfaces either a coat layer of titanic acid in an amount of from 0.1 to 50 parts by weight in terms of TiO2 per 100 parts by weight of the solid base, or an inner coat layer of an oxide of at least one element selected from silicon, aluminum and zirconium or a composite oxide of at least two elements selected from silicon, aluminum and zirconium in an amount of from 1 to 20 parts by weight per 100 parts by weight of the solid base and an outer coat layer of titanic acid in an amount of from 0.1 to 50 parts by weight in terms of TiO2 per 100 parts by weight of the solid base, and wherein the solid base is hydrotalcite.

    Abstract translation: 本发明提供了一种通过酯化反应或二羧酸或其形成酯的衍生物与二醇之间的酯交换反应制备聚酯的缩聚催化剂,其中缩聚催化剂包括固体碱的颗粒,其表面具有涂层 相对于每100重量份的固体碱,TiO 2计,0.1至50重量份的钛酸,或选自硅,铝和锆的至少一种元素的氧化物的内涂层或复合材料 选自硅,铝和锆中的至少两种元素的氧化物,其量为每100重量份固体碱为1至20重量份,钛酸外涂层为0.1至50重量份 (重量),相对于100重量份的固体碱,TiO 2计,固体碱为水滑石。

    POLYCONDENSATION CATALYST FOR PRODUCING POLYESTER AND PRODUCTION OF POLYESTER USING THE POLYCONDENSATION CATALYST
    4.
    发明申请
    POLYCONDENSATION CATALYST FOR PRODUCING POLYESTER AND PRODUCTION OF POLYESTER USING THE POLYCONDENSATION CATALYST 有权
    用于生产聚酯的聚合催化剂和使用聚合催化剂生产聚酯的聚合催化剂

    公开(公告)号:US20140073758A1

    公开(公告)日:2014-03-13

    申请号:US13955529

    申请日:2013-07-31

    CPC classification number: B01J21/063 B01J21/066 B01J21/10 C08G63/84 C08G63/85

    Abstract: The invention provides a polycondensation catalyst for producing polyester by an esterification reaction or a transesterification reaction between a dicarboxylic acid or an ester-forming derivative thereof and a glycol, wherein the polycondensation catalyst comprises particles of a solid base having on the surfaces an inner coating layer of titanic acid in an amount of from 0.1 to 50 parts by weight in terms of TiO2 per 100 parts by weight of the solid base, and an outer coating layer either of an oxide of at least one element selected from aluminum, zirconium and silicon, or of a composite oxide of at least two elements selected from aluminum, zirconium and silicon on the surface of the inner coating layer in an amount of from 1 to 50 parts by weight per 100 parts by weight of the solid base.

    Abstract translation: 本发明提供了一种通过二羧酸或其成酯衍生物与二醇之间的酯化反应或酯交换反应制备聚酯的缩聚催化剂,其中缩聚催化剂包括在表面上具有内涂层 的钛酸酯,相对于固体碱为100重量份为0.1〜50重量份,以及选自铝,锆和硅中的至少一种元素的氧化物的外涂层, 或在内涂层表面上选自铝,锆和硅中的至少两种元素的复合氧化物,其量为每100重量份固体碱1至50重量份。

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