发明名称 |
Foerbaettrade foliefria kompositstrukturer foer juicefoerpackningar |
摘要 |
<p>The present invention relates to a non-foil composite barrier for an improved container for citrus juices and other liquids. The container utilizes a paperboard barrier laminate for the containment of essential oils and the prevention of losses of vitamin C. Also disclosed is a process of making the laminate. The laminate makes use of an inner barrier layer of a heat-sealable ethylene vinyl alcohol copolymer to enhance the barrier properties of the laminate. The invention provides a container for liquids containing essential oils and/or flavors constructed from a laminated characterized by the fact that it comprises: a) a paperboard substrate (36); b) a thin outer layer (34) of a heat sealable low density polyethylene polymer coated on said outer surface of said paperboard substrate; c) an ethylene vinyl alcohol copolymer layer (44); and d) a heat sealable layer of a low density polyethylene layer (46).</p> |
申请公布号 |
FI89567(B) |
申请公布日期 |
1993.07.15 |
申请号 |
FI19880002523 |
申请日期 |
1988.05.27 |
申请人 |
INTERNATIONAL PAPER COMPANY |
发明人 |
GIBBONS, CHARLES E.;TANNER, CYNTHIA L.;WHILLOCK, ALLAN A. |
分类号 |
B65D65/40;B32B27/10;B32B27/28;(IPC1-7):B32B27/10;B32B31/12 |
主分类号 |
B65D65/40 |
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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