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°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/α-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 |
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代理人 |
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主权项 |
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地址 |
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