发明名称 COMPOSITE FILM FOR LIQUID BEVERAGE PACKAGING
摘要 PROBLEM TO BE SOLVED: To provide a co-extruded composite film excellent in odor characteristics, pinhole resistance or the like and preferable for packaging of liquid beverage such as mineral water, juice or the like. SOLUTION: A composite film is composed of an outermost layer of a polyamide resin layer, an interlayer composed of an ethylene-vinyl acetate copolymer saponified substance layer and an innermost layer of heat-seal resin layer composed of a polyethylene resin layer without an additive. A total thickness of the film is 60-200μm. A thickness of the ethylene-vinyl acetate copolymer saponified substance layer is 5-20μm. And the film is formed by a co-extruding water- cooling inflation.
申请公布号 JP2000015763(A) 申请公布日期 2000.01.18
申请号 JP19980183419 申请日期 1998.06.30
申请人 MITSUBISHI PLASTICS IND LTD 发明人 TSUJIKAWA YOSHIYASU
分类号 B65D30/02;B32B27/34;(IPC1-7):B32B27/34 主分类号 B65D30/02
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