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    • 9. 发明申请
    • Titanium-containing PET copolyester and thick-walled perform and refillable large volume container both made from the same
    • 含钛的PET共聚聚酯和厚壁的执行和可再充装的大容量容器均由此制成
    • US20110151160A1
    • 2011-06-23
    • US12926722
    • 2010-12-07
    • Zo-Chun Jen
    • Zo-Chun Jen
    • B32B1/02C08K3/08
    • C08G63/181B29C49/0005B29C49/06B29K2067/003B29L2031/7126C08G63/189C08G63/85Y10T428/1355
    • A titanium-containing PET copolyester has an intrinsic viscosity of 0.72-0.90 dl/g and a maximum amount of heat released during crystallization transition through a DSC analysis at a given heating rate of 20° C./min being less than 10 joules/gram, which contains polyethylene terephthalate as a major component and contains titanium component in an amount of 2-25 ppm based on the total copolyester weight, X mole % of isophthalic acid based on the copolyester, Y mole % of diethylene glycol based on the copolyester, Z mole % of 2,6-naphthalene dicarboxylic acid based on the copolyester, wherein X, Y, Z conforms to the following conditions: 0≦X≦2.5; 1.0≦Y≦2.5; 0≦Z≦2.5; 2.5≦X+Y+Z≦7.5; and the PET copolyester is suitable for manufacturing an injection stretch blow molded refillable container having an inner volume of greater than 10 litters and capable of being returnable and refillable up to 20 loops of returning,
    • 含钛的PET共聚酯的特性粘度为0.72-0.90dl / g,通过DSC分析结晶过程中释放的最大热量为20℃/分钟,加热速度小于10焦耳/克 ,其包含聚对苯二甲酸乙二醇酯作为主要组分,并且基于总共聚酯重量含有2-25ppm的钛组分,基于共聚酯的间苯二甲酸的X摩尔%,基于共聚酯的二甘醇的Y摩尔% 基于共聚酯的2,6-萘二甲酸的Z摩尔%,其中X,Y,Z符合以下条件:0≦̸ X< lE; 2.5; 1.0≦̸ Y≦̸ 2.5; 0≦̸ Z≦̸ 2.5; 2.5≦̸ X + Y + Z≦̸ 7.5; PET共聚多酯适用于制造内容积大于10L的注射拉伸吹塑成型的可再填充容器,并且能够回收和再填充多达20个回路,