Container cap
    4.
    发明授权
    Container cap 失效
    集装箱盖

    公开(公告)号:US07182986B1

    公开(公告)日:2007-02-27

    申请号:US09112642

    申请日:1998-07-09

    IPC分类号: B29D22/00 B32B27/30 B65D53/00

    摘要: Disclosed is a container cap having, as a sealing gasket, a layer of a resin composition as adhered to the surface of the cap body of polypropylene, wherein said resin composition comprises (A) from 25 to 70% by weight of an ethylene-vinyl alcohol copolymer having an ethylene content of from 20 to 60 mol % and a degree of saponification of at least 96% and (B) from 30 to 75% by weight of a polyolefin having a propylene or 1-butene content of at least 50 mol %. The container cap has excellent gas-barrier properties and sealability for containers, and is suitable for packaging containers for foods, medicines, agricultural chemicals, etc.

    摘要翻译: 公开了一种容器盖,其具有作为密封垫圈的粘合到聚丙烯盖体表面的树脂组合物层,其中所述树脂组合物包含(A)25至70重量%的乙烯 - 乙烯 乙烯含量为20〜60摩尔%,皂化度为96%以上的乙烯共聚物和(B)30〜75重量%的丙烯或1-丁烯含量为至少50摩尔的聚烯烃 %。 容器盖具有优异的阻气性和容器密封性,适用于食品,药品,农药等容器的包装。