High IV melt phase polyester polymer catalyzed with antimony containing compounds
    2.
    发明公开
    High IV melt phase polyester polymer catalyzed with antimony containing compounds 有权
    MELTING相聚酯高特性粘度BY ANTIMONVERBINDUGEN催化IS

    公开(公告)号:EP1574540A1

    公开(公告)日:2005-09-14

    申请号:EP05004945.1

    申请日:2005-03-07

    IPC分类号: C08G63/86 C08G63/87 C08G63/78

    摘要: A melt phase process for making a polyester polymer melt phase product by adding an antimony containing catalyst to the melt phase, polycondensing the melt containing said catalyst in the melt phase until the intrinsic viscosity of the melt reaches at least 0.75 dL/g.Polyester polymer melt phase pellets containing antimony residues and having an intrinsic viscosity of at least 0.75 dL/g are obtained without solid state polymerization. The polyester polymer pellets containing antimony residues and having an intrinsic viscosity of at least 0.70 dL/g obtained without increasing the molecular weight of the melt phase product by solid state polymerization are fed to an extruder, melted to produce a molten polyester polymer, and extruded through a die to form shaped articles. The melt phase products and articles made thereby have low b* color and/or high L* brightness, and the reaction time to make the melt phase products is short.

    摘要翻译: 用于制造聚酯聚合物的熔融相方法通过向锑含催化剂的熔融相,缩聚所述熔体包含​​所述催化剂在熔融相中直到熔体的It.V.达到至少0.75分升/ g.Polyester聚合物熔融相产品 熔融相粒料含锑残基和至少0.75分升/克的特性粘度,而不具有固态聚合获得。 含锑残余物并且在至少0.70分升/克,而不增加由固态聚合的熔融相产品的分子量在挤出机进料至获得的特性粘度具有挤出的聚酯聚合物粒料,熔化以产生熔融聚酯聚合物,和 通过将形成成型制品。 熔融相产品和由此制成的制品具有低的b *颜色和/或高的L *亮度,反应时间,使熔融相产品短。

    Polyester polymer particles having a small surface to center viscosity gradient
    3.
    发明公开

    公开(公告)号:EP1953179A1

    公开(公告)日:2008-08-06

    申请号:EP08005050.3

    申请日:2005-03-03

    摘要: The present invention relates to polyester polymer particle having an intrinsic viscosity (It.V.), a surface, and a center, wherein the It.V. at the surface of the particle is less than 0.25 dL/g higher than the It.V. at the center of the particle. The polyester polymer particle is desirably crystalline to prevent the particles from sticking to each other while drying, and desirably contains less than 10 ppm acetaldehyde. A polyester container, preferably a preform or beverage bottle, is made by feeding crystallized polyester particles having an It.V. of at least 0.70 dL/g to an extrusion zone, melting the particles in the extrusion zone to form a molten polyester polymer composition, and forming a sheet or a molded part from extruded molten polyester polymer, wherein at least a portion of the polyester particles have an It.V. at their surface which does not vary from their It.V. at their center by more than 0.25 dL/g, and the particles have not been solid state polymerized. Such polyester compositions have an It.V. suitable for containers, yet lose less ItV. during melt processing than existing polyesters.

    摘要翻译: 本发明涉及具有特性粘度(It.V.),表面和中心的聚酯聚合物颗粒,其中It.V. 在颗粒表面比It.V高出0.25dL / g。 在颗粒的中心。 聚酯聚合物颗粒理想地是结晶的,以防止颗粒在干燥时彼此粘合,并且期望含有小于10ppm的乙醛。 聚酯容器,优选预制品或饮料瓶,是通过加入具有It.V.的结晶聚酯颗粒制成的。 至少为0.70dL / g,熔融挤出区中的颗粒以形成熔融的聚酯聚合物组合物,并从挤出的熔融聚酯聚合物形成片材或模塑部件,其中至少一部分聚酯颗粒 有一个It.V. 在它们的表面上,它们不同于它的It.V. 在其中心处大于0.25dL / g,并且该颗粒未被固态聚合。 这种聚酯组合物具有It.V. 适合集装箱,但减少ItV。 在熔融加工过程中比现有的聚酯。

    Polyester polymer particles having a small surface to center viscosity gradient
    4.
    发明公开
    Polyester polymer particles having a small surface to center viscosity gradient 无效
    具有从表面的低粘度梯度的聚酯树脂的核粒子

    公开(公告)号:EP1574538A1

    公开(公告)日:2005-09-14

    申请号:EP05004711.7

    申请日:2005-03-03

    摘要: The present invention relates to polyester polymer particle having an intrinsic viscosity (It.V.), a surface, and a center, wherein the It.V. at the surface of the particle is less than 0.25 dL/g higher than the It.V. at the center of the particle. The polyester polymer particle is desirably crystalline to prevent the particles from sticking to each other while drying, and desirably contains less than 10 ppm acetaldehyde. A polyester container, preferably a preform or beverage bottle, is made by feeding crystallized polyester particles having an It.V. of at least 0.70 dL/g to an extrusion zone, melting the particles in the extrusion zone to form a molten polyester polymer composition, and forming a sheet or a molded part from extruded molten polyester polymer, wherein at least a portion of the polyester particles have an It.V. at their surface which does not vary from their It.V. at their center by more than 0.25 dL/g, and the particles have not been solid state polymerized. Such polyester compositions have an It.V. suitable for containers, yet lose less It.V. during melt processing than existing polyesters.

    Polyester polymer particles having a small surface to center viscosity gradient
    6.
    发明公开
    Polyester polymer particles having a small surface to center viscosity gradient 审中-公开
    具有从表面的低粘度梯度的聚酯树脂的核粒子

    公开(公告)号:EP2272887A2

    公开(公告)日:2011-01-12

    申请号:EP10012571.5

    申请日:2005-03-03

    摘要: The present invention relates to polyester polymer particle having an intrinsic viscosity (It.V.), a surface, and a center, wherein the It.V. at the surface of the particle is less than 0.25 dL/g higher than the It. V. at the center of the particle. The polyester polymer particle is desirably crystalline to prevent the particles from sticking to each other while drying, and desirably contains less than 10 ppm acetaldehyde. A polyester container, preferably a preform or beverage bottle, is made by feeding crystallized polyester particles having an It.V. of at least 0.70 dL/g to an extrusion zone, melting the particles in the extrusion zone to form a molten polyester polymer composition, and forming a sheet or a molded part from extruded molten polyester polymer, wherein at least a portion of the polyester particles have an It.V. at their surface which does not vary from their It.V. at their center by more than 0.25 dL/g, and the particles have not been solid state polymerized. Such polyester compositions have an It.V. suitable for containers, yet lose less It.V. during melt processing than existing polyesters.

    摘要翻译: 本发明涉及一种具有以特性粘度(特性粘度),表面,和一个中心聚酯聚合物粒子,worin的特性粘度 在颗粒的表面比在颗粒的中心的它。V.更高小于0:25升/克。 聚酯聚合物颗粒是理想的结晶,以防止颗粒粘附到海誓山盟而干燥,并且理想地包含小于10ppm的乙醛。 一种聚酯的容器,优选的预制件或饮料瓶,是由具有在特性粘度结晶聚酯颗粒供给由 的至少0.70分升/克,以在挤出区,熔融挤出区中的颗粒以形成熔融聚酯聚合物组合物,并形成片材或模制部件从挤出的熔融聚酯聚合物,worin至少所述聚酯颗粒的一部分 必须在特性粘度 在其表面不从他们的特性粘度变化 在超过0:25分升/克它们的中心,并且所述颗粒没有被固态聚合。 搜索聚酯组合物具有特性粘度 适合于容器,但输少特性粘度 比现有的聚酯在熔融加工期间。