发明名称 PACKAGING FILM AND PACKAGE
摘要 PROBLEM TO BE SOLVED: To provide a packaging film which solves the point at issue of a conventional polypropylene film having anti-fogging properties, has sufficient anti-fogging properties and is suitable for packaging a perishable product, and a package. SOLUTION: The packaging film comprises a laminate having at least three layers centering around a base material layer comprising a crystalline polypropylene resin and both of the outermost layers comprise a stretched polypropylene resin film which comprises a heat fusion layer of 150°C or below. Layers, which comprise resins different in the content of a cold xylene soluble component, are formed on both sides of the base material layer. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007160530(A) 申请公布日期 2007.06.28
申请号 JP20050356161 申请日期 2005.12.09
申请人 TOYOBO CO LTD 发明人 KAWAI KENJI;OKI SUKEKAZU;ODA NAONOBU
分类号 B32B27/32;B32B27/18;B65D65/40;B65D81/26 主分类号 B32B27/32
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