| 发明名称 |
MULTI-LAYERED THERMOPLASTIC PACKAGING FILM WITH IMPROVED OXYGEN PERMEABILITY |
| 摘要 |
A multilayer film characterized by having excellent oxygen permeability and thermoformable properties comprising a sealant layer and a heat resistant layer is disclosed. The sealant layer contains an ethylene based polymer or copolymer. The heat resistant layer has a melting point greater than that of the polymeric composition of the sealing layer. Internal layers may also be provided.
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| 申请公布号 |
CA2092968(A1) |
申请公布日期 |
1994.02.28 |
| 申请号 |
CA19932092968 |
申请日期 |
1993.03.30 |
| 申请人 |
W.R. GRACE & CO.-CONN. |
发明人 |
WATSON, RICHARD K.;SATTERWHITE, PAUL J.;MAYFIELD, WILLIAM D. |
| 分类号 |
B32B7/02;B29C47/06;B29C51/00;B29C51/14;B32B;B32B27/06;B32B27/08;B32B27/30;B32B27/32;B32B33/00;B65B29/00;B65D;B65D65/40;B65D75/38;B65D77/20;C08J;D21H;D21H21/24;D21H25/02;(IPC1-7):B32B27/08 |
主分类号 |
B32B7/02 |
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