| 发明名称 |
MULTI-LAYER HIGHLY MOISTURE AND GAS PERMEABLE PACKAGING FILM |
| 摘要 |
A multi-layer highly moisture and gas permeable packaging film comprising a core layer of a butadiene-styrene copolymer with a styrene content of 60 to 80% by weight and at least two outer layers having heat sealable and gas permeability properties. |
| 申请公布号 |
ZA8706886(B) |
申请公布日期 |
1988.03.17 |
| 申请号 |
ZA19870006886 |
申请日期 |
1987.09.14 |
| 申请人 |
W.R. GRACE & CO. |
发明人 |
GIOVANNI CANDIDA;LUIGI PERAZZO |
| 分类号 |
B65D65/40;B32B7/02;B32B25/16;B32B27/08;B32B27/28;B65D85/76 |
主分类号 |
B65D65/40 |
| 代理机构 |
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