发明名称 Polypropylene-based wrap film
摘要 An object of the invention is to provide a non-chlorine polypropylene wrap film excellent in adhesion, transparency, heat resistance, flexibility, gas barrier properties, touch and cutting properties, and disclosed is a polypropylene wrap film, a multilayer film having a tensile modulus of 200 to 1,000 MPa, containing at least a surface layer and an inner layer having a gas barrier resin, and being stretched into a twice or more length in a machine direction and/or a transverse direction, wherein in its multilayer constitution, the surface layer is constituted by a composition comprising, for example, a mixture of a polypropylene resin, a softening agent, an adhering agent and a liquid adhering assistant at a suitable mixing ratio, and the inner layer is constituted, for example, by an ethylene-vinyl alcohol copolymer resin.
申请公布号 US2005064162(A1) 申请公布日期 2005.03.24
申请号 US20040496141 申请日期 2004.10.21
申请人 IRIYA MASARU;NAKAO TAKASHI 发明人 IRIYA MASARU;NAKAO TAKASHI
分类号 B32B27/08;B32B27/32;(IPC1-7):B32B27/08 主分类号 B32B27/08
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