发明授权
- 专利标题: Packaging material
- 专利标题(中): 用于包装的材料
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申请号: US42617申请日: 1998-03-17
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公开(公告)号: US6013363A公开(公告)日: 2000-01-11
- 发明人: Isao Takahashi , Junichi Yasuda , Mitsuru Matsuyama
- 申请人: Isao Takahashi , Junichi Yasuda , Mitsuru Matsuyama
- 申请人地址: JPX Tokyo
- 专利权人: Oji-Yuka Synthetic Paper Co., Ltd.
- 当前专利权人: Oji-Yuka Synthetic Paper Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX9-062970 19970317
- 主分类号: B32B27/08
- IPC分类号: B32B27/08 ; B65D75/26 ; B32B3/26 ; B32B7/12 ; B32B31/14 ; B65D73/00
摘要:
A laminate which contains the following layers:(I) a stretched microporous resin film base layer having an opacity of at least 80%;(Ia) a heat sealable adhesive resin layer on the back side of the base layer;(II) a gas barrier resin film layer on the surface side of the base layer; and(III) an inorganic oxide thin film layer on the surface side of the gas barrier resin film layer,wherein the laminate:(i) has a water vapor permeability of at most 5 g/m.sup.2 .multidot.24 hr, and(ii) has an oxygen permeability of at most 5 cc/m.sup.2 .multidot.24 hr.multidot.atm.The laminate is useful, for example, for packaging a variety of articles, e.g., edible products, in which taste and freshness are desirably preserved during transportation and storage thereof.