发明授权
US08642101B2 Polymer-coated liquid packaging board, a package formed from it and the use of the polymer
有权
聚合物涂覆的液体包装板,由其形成的包装和聚合物的使用
- 专利标题: Polymer-coated liquid packaging board, a package formed from it and the use of the polymer
- 专利标题(中): 聚合物涂覆的液体包装板,由其形成的包装和聚合物的使用
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申请号: US12307616申请日: 2007-06-06
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公开(公告)号: US08642101B2公开(公告)日: 2014-02-04
- 发明人: Kimmo Nevalainen , Tapani Penttinen , Janne Pynnonen
- 申请人: Kimmo Nevalainen , Tapani Penttinen , Janne Pynnonen
- 申请人地址: FI Helsinki
- 专利权人: Stora Enso Oyj
- 当前专利权人: Stora Enso Oyj
- 当前专利权人地址: FI Helsinki
- 代理机构: Birch Stewart Kolasch & Birch, LLP
- 优先权: FI20060705 20060728
- 国际申请: PCT/FI2007/000160 WO 20070606
- 国际公布: WO2008/012395 WO 20080131
- 主分类号: B65D65/20
- IPC分类号: B65D65/20 ; B65D81/24 ; B65D85/72 ; B32B27/30
摘要:
The object of the invention is a liquid packaging board (1), wherein the base board (3) is provided with at least one polymeric coating layer on both sides thereof to decrease the flavor scalping from a packaged liquid, such as citrus fruit juice. Inside the baseboard, there is a layer (6) of ethylene methyl acrylate copolymer either in a direct contact with the packaged liquid or coated with a thin layer of polyolefin. The invention also relates to a closed package for liquid food that is formed from the liquid packaging board (1) by folding and seaming, wherein the side that comes in contact with the food product, correspondingly, comprises an EMA layer and, possibly, a thin polyolefin layer on top of the same. The invention further comprises the use of EMA in decreasing the flavor scalping from the packaged liquid by the packaging material.
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