发明名称 |
Synthetic resin container with high barrier properties |
摘要 |
A container made of synthetic resin which does not cause whitening or clouding in an unstretched portion even after long-period storage and which has excellent barrier properties. A PET bottle comprising a substrate layer made of PET and a barrier layer having a gas permeability lower than that of the substrate layer, wherein the barrier layer is made of a barrier material prepared by incorporating a polyamide containing m-xylene groups with an amorphous polyamide comprising both m-xylene isophthalamide structures and hexamethylene isophthalamide structures. A copolyamide composed of both a copolymer of m-xylenediamine and isophthalic acid and a copolymer of hexamethylenediamine and isophthalic acid is used as the amorphous polyamide. The content of the amorphous polyamide in the barrier layer is adjusted to 15 to 25 wt %.
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申请公布号 |
US8343604(B2) |
申请公布日期 |
2013.01.01 |
申请号 |
US20090934748 |
申请日期 |
2009.02.23 |
申请人 |
YOSHINO KOGYOSHO CO., LTD.;SUGAI MASAHIRO;SHIMURA HIROMI;SUZUKI MASATO |
发明人 |
SUGAI MASAHIRO;SHIMURA HIROMI;SUZUKI MASATO |
分类号 |
B29D22/00 |
主分类号 |
B29D22/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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