发明名称 |
LAMINATED PAPER PACKAGING MATERIAL AND METHOD OF PRODUCING THE SAME |
摘要 |
<p>[PROBLEMS] To provide a laminated packaging material wherein a plant-origin material is used as the main material constituting a laminated paper packaging material for foods; a laminated packaging material being excellent in oxygen-barrier performance; a method of producing a barrier laminated packaging material in a small number of steps; a method of producing a barrier laminated packaging material whereby the structure of the laminate can be simplified without a need for a petroleum-derived adhesive and the laminate thickness can be reduced; and a method of producing a barrier laminated packaging material which is free from the occurrence of defects such as pinholes in spite of having a thin barrier layer. [MEANS FOR SOLVING PROBLEMS] A laminated packaging material for foods which is a laminated packaging material comprising a paper core layer, a barrier layer and a thermoplastic resin layer, wherein the barrier layer is made of polyvinyl alcohol, while the thermoplastic resin layer is made of a resin composition containing a plant-origin plastic and having melt extrudability.</p> |
申请公布号 |
WO2008050486(A1) |
申请公布日期 |
2008.05.02 |
申请号 |
WO2007JP01167 |
申请日期 |
2007.10.25 |
申请人 |
TETRA LAVAL HOLDINGS & FINANCE S.A.;OGITA, HIROAKI;KOBAYASHI, NORIO;ONO, KAZUYA |
发明人 |
OGITA, HIROAKI;KOBAYASHI, NORIO;ONO, KAZUYA |
分类号 |
B65D65/40;B32B27/10;B32B27/30 |
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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