| 发明名称 |
VERMEFORSEGLINGSBAR FLERSKIKTSFILM FOR FORPACKNING, SETT ATT FRAMSTELLA FLERSKIKTSFILMEN SAMT FORFARANDE FOR FRAMSTELLNING AV EN FORPACKNING AV DENSAMMA |
| 摘要 |
A heat-sealable and shrinkable, coextruded, multi-layer packaging film having a propylene homopolymer base layer and a skin layer of either a propylene-ethylene copolymer or of a blend of such a copolymer with up to 50% by weight of a propylene homopolymer, a preferred blend comprising 60% to 80% of the copolymer. |
| 申请公布号 |
SE451692(B) |
申请公布日期 |
1987.10.26 |
| 申请号 |
SE19810003257 |
申请日期 |
1981.05.22 |
| 申请人 |
W R GRACE & CO |
发明人 |
1)D J * FERGUSON;2)F D * STRINGER;3)M D * ESAKOV |
| 分类号 |
B32B27/08;B32B27/32;B65D65/40;(IPC1-7):B32B27/32 |
主分类号 |
B32B27/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
