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    Multilayer container for enhanced gas barrier properties
    5.
    发明授权
    Multilayer container for enhanced gas barrier properties 有权
    用于提高阻气性能的多层容器

    公开(公告)号：US08124202B2

    公开(公告)日：2012-02-28

    申请号：US11850575

    申请日：2007-09-05

    申请人： Yu Shi ,  Xiaoyan Huang ,  Mikell Schultheis ,  Robert Kriegel ,  Francis M. Schloss

    发明人： Yu Shi ,  Xiaoyan Huang ,  Mikell Schultheis ,  Robert Kriegel ,  Francis M. Schloss

    IPC分类号： B32B1/02

    CPC分类号： B32B27/08 ,  B32B27/18 ,  Y02P20/582 ,  Y10T428/1352 ,  Y10T428/31721 ,  Y10T428/31725 ,  Y10T428/31786 ,  Y10T428/31938

    摘要： A multilayer container having enhanced gas barrier properties comprises at least two outer layers comprising a polymer matrix, and at least one barrier layer disposed between the at least two outer layers. The at least one barrier layer comprises a first polymer composition comprising a polymer matrix and a low molecular weight additive. In a particular embodiment, the low molecular weight additive comprises a purine derivative, such as caffeine, and is present in the multilayer container in an amount in the range of about 0.2 to about 10 weight percent of the container.

    摘要翻译： 具有增强的气体阻隔性能的多层容器包括至少两个包含聚合物基质的外层和设置在该至少两个外层之间的至少一个阻挡层。 所述至少一个阻挡层包括包含聚合物基质和低分子量添加剂的第一聚合物组合物。 在一个具体实施方案中，低分子量添加剂包括嘌呤衍生物，例如咖啡因，并且以多于容器的约0.2至约10重量％的量存在于多层容器中。

    Method to decrease the acetaldehyde content of melt-processed polyesters
    7.
    发明授权
    Method to decrease the acetaldehyde content of melt-processed polyesters 有权
    减少熔融加工聚酯的乙醛含量的方法

    公开(公告)号：US06274212B1

    公开(公告)日：2001-08-14

    申请号：US09510014

    申请日：2000-02-22

    申请人： Mark Rule ,  Yu Shi ,  Xiaoyan Huang

    发明人： Mark Rule ,  Yu Shi ,  Xiaoyan Huang

    IPC分类号： B29D2200

    CPC分类号： C08G63/88 ,  Y10T428/1352 ,  Y10T428/1397

    摘要： A method for decreasing acetaldehyde content of melt processed polyester comprising combining with melted polyester an organic additive compound which scavenges acetaldehyde from the polyester without imparting discoloration to the polyester. The organic additive compound comprises at least two hydrogen substituted heteroatoms bonded to carbons of the organic additive compound such that the organic additive compound is reactive with acetaldehyde in the polyester to form water and a resulting organic compound comprising an unbridged five or six member ring including the at least two heteroatoms. The reduced acetaldehyde content polyester is particularly useful for making containers such as for packaging beverages.

    摘要翻译： 一种用于降低熔融加工聚酯的乙醛含量的方法，其包括与熔融聚酯结合的有机添加剂化合物，其从聚酯中清除乙醛而不会使聚酯变色。 有机添加剂化合物包含与有机添加剂化合物的碳键合的至少两个氢取代的杂原子，使得有机添加剂化合物与聚酯中的乙醛反应形成水，得到的有机化合物包括未桥连的五或六元环，包括 至少两个杂原子。 还原的乙醛含量的聚酯对于制造用于包装饮料的容器特别有用。