Title:
二軸延伸ポリプロピレン多層フィルム
Document Type and Number:
Japanese Patent JP4080285
Kind Code:
B2
Abstract:
To provide a biaxially stretched multilayered polypropylene film excellent in thickness accuracy and having stable gas barrier properties and moistureproof properties.
The biaxially stretched multilayer polypropylene film is formed by laminating a vinylidene chloride polymer layer (C) on at least one surface of a biaxially stretched film substrate layer obtained from a propylene polymer composition which comprises a propylene homopolymer (A) with an α-olefin content of 0.1-1.8 mol % and a propylene/α-olefin copolymer (B) or comprises 97-75 wt.% of the propylene polymer composition and 3-25 wt.% of the tackifier.
COPYRIGHT: (C)2004,JPO
Inventors:
Kazuhiko Negishi
Application Number:
JP2002274615A
Publication Date:
April 23, 2008
Filing Date:
September 20, 2002
Export Citation:
Assignee:
Tohcello Co., Ltd.
International Classes:
B32B27/30; B29C55/12; B32B27/32; B29K23/00; B29L7/00; B29L9/00
Domestic Patent References:
| JP2004017333A | ||||
| JP10067079A | ||||
| JP1184131A | ||||
| JP9262945A | ||||
| JP2004107417A |