| 发明名称 |
MULTILAYER PLASTICS FILM FOR PACKAGING ITEMS UNDER CONTROLLED ATMOSPHERE |
| 摘要 |
<p>A packaging film is disclosed having both gas barrier and stretchability properties comprising at least one barrier layer made of polymers or copolymers with low gas permeability modified by the inclusion therein of 1 to 20% by weight of a stiffness modifying agent selected from plasticizers and elastomers, and at least one stretchable layer of olefin polymers or copolymers.</p> |
| 申请公布号 |
NZ223679(A) |
申请公布日期 |
1990.11.27 |
| 申请号 |
NZ19880223679 |
申请日期 |
1988.02.29 |
| 申请人 |
W R GRACE & CO-CONN |
发明人 |
OREGLIA, AUROLIO;GILLIO-TOS, MARIO |
| 分类号 |
B65B25/00;B29D7/01;B32B7/02;B32B27/08;B32B27/18;B32B27/22;B32B27/28;B32B27/32;B32B37/00;B65D30/14;(IPC1-7):B32B27/28;B32B27/06 |
主分类号 |
B65B25/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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