发明名称 MULTILAYERED FILM HAVING OXYGEN GAS BARRIER PROPERTY AND MANUFACTURING METHOD THEREFOR
摘要 PROBLEM TO BE SOLVED: To provide a multilayered film having an oxygen gas barrier property which has an excellent oxygen gas barrier property, especially exerts the excellent oxygen gas barrier property even under a high humidity, and can be manufactured from an easily available material at low cost. SOLUTION: In this multilayered film, an oxygen gas barrier layer which comprises a mixture of a polyvinyl alcohol resin layer of 100 pts.wt. and a polyalkyleneglycol surfactant of 0.01-5 pts.wt. is formed at least on one side face of a base material film layer, an oxygen permeability under an atmosphere at 23 deg.C and relative humidity of 85% is 1000 mL/m<2> .day.MPa or less.
申请公布号 JP2002321320(A) 申请公布日期 2002.11.05
申请号 JP20010129566 申请日期 2001.04.26
申请人 TOYOBO CO LTD 发明人 KUWABARA MITSURU;ITO KATSUYA;MATSUMURA YUTAKA;YOSHIMOTO MISAO;NAKATANI TADASHI;YAMAMOTO KATSUSHI
分类号 C08J7/04;B32B7/02;B32B27/30;(IPC1-7):B32B27/30 主分类号 C08J7/04
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