发明名称 |
HEAT-SEALABLE PACKING FILMS WITH PEELABLE JOINTS AND PACKS |
摘要 |
A heat sealable packaging film particularly suitable for producing a peelable seal by heat sealing on polystyrene. For this purpose, the composition of the film comprises: (a) 50 to 70% by weight of at least one ethylene polymer having a melt index of 0.5 to 7 g/10 min and selected from polyethylene having a density of from 0.910 to 0.925 g/cm3 and an ethylene-vinyl acetate copolymer containing at most 7% by weight of vinyl acetate. (b) 20 to 30% by weight of at least one ethylene-vinyl acetate copolymer containing 20 to 30% by weight of vinyl acetate and having a melt index of 0.5 to 7 g/10 min, and (c) 10 to 20% by weight of a styrene homopolymer having a melt index of 0.5 to 7 g/10 min. Also provided are packages including a container made from polystyrene and a covering film for the said container, which is made from the aforesaid film, laminated or not on other films. |
申请公布号 |
DE3161952(D1) |
申请公布日期 |
1984.02.23 |
申请号 |
DE19813161952 |
申请日期 |
1981.06.17 |
申请人 |
U C B, S.A. |
发明人 |
HEIREMANS, ROBERT;JACOBS, ROLAND;D'HONDT, MARC |
分类号 |
C08L23/00;B32B27/28;B32B27/30;B32B27/32;B65D65/38;C08L23/04;C08L23/06;C08L23/08;C08L25/00;C08L31/04;C08L101/00;(IPC1-7):08J5/18;08L23/04 |
主分类号 |
C08L23/00 |
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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