发明名称 EASILY OPENABLE LAMINATED FILM AND ITS USE
摘要 <P>PROBLEM TO BE SOLVED: To provide an easily openable laminated film showing especially excellent hermetic sealability and easy opening properties with respect to a polypropylene coated object and usable as a packaging material for oils and fats and fatty food at a temperature exceeding 100&deg;C. <P>SOLUTION: This easily openable laminated film is formed as a three-layered constitution wherein a composition comprising polypropylene, an ethylenic polymer, a low crystalline or amorphous ethylene/&alpha;-olefin copolymer and a tackifier resin in a specific ratio is used as a sealing layer, a composition prepared by adding polypropylene to this composition is used as an intermediate layer and polypropylene is used as a laminate layer or a three-layered constitution wherein an ethylenic polymer high in density is used as the intermediate layer and an ethylenic polymer low in density is used as the laminate layer. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005028679(A) 申请公布日期 2005.02.03
申请号 JP20030194922 申请日期 2003.07.10
申请人 TOHCELLO CO LTD;DU PONT MITSUI POLYCHEM CO LTD 发明人 TAGUCHI EIICHI;SATO HIROSHI;SATO MASASHI
分类号 B65D77/12;B32B27/32;B65D53/04;C08L23/04;C08L23/10 主分类号 B65D77/12
代理机构 代理人
主权项
地址