发明名称 |
VERBUNDFOLIE UND DARAUS HERGESTELLTES VERPACKUNGSMATERIAL |
摘要 |
<p>A packaging material which is capable of packaging an article(s) in a closely fitted and tightly sealed state and consists essentially of a composite film stretched at least in one direction, said composite film comprising a base film and a surface film provided on at least one surface of the base film and having certain specific shrinkage characteristics, said base film being made of a resin composition comprising a propylene polymer, and said surface film being made of a polymer composition comprising at least two of (A) a copolymer of propylene and ethylene in a weight proportion of 99.5:0.5 to 90:10, (B) a copolymer of propylene and an alpha -olefin having 4 to 10 carbon atoms in a weight proportion of 70:30 to 95:5 and (C) a copolymer of butene and any other alpha -olefin having 2 to 10 carbon atoms in a weight proportion of 70:30 to 99:1, each of the copolymers being in an amount of 10 to 90% by weight on the total weight of the copolymers.</p> |
申请公布号 |
DE3026317(A1) |
申请公布日期 |
1981.02.05 |
申请号 |
DE19803026317 |
申请日期 |
1980.07.11 |
申请人 |
TOYO BOSEKI K.K. |
发明人 |
ISAKA,TSUTOMU;OHASHI,KAZUYOSHI;MIYAZAKI,YUKUNOBU |
分类号 |
B65D65/40;B32B27/32;(IPC1-7):B32B27/08 |
主分类号 |
B65D65/40 |
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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