| 摘要 |
The invention refers to a thermoplastic, multi-layer, heat-shrinkable film having a sealing layer comprising a blend of a propylene co-polymer or ter-polymer with from about 5 to about 40 % by weight of an EPDM elastomer. The film also comprises a core gas-barrier layer, preferably comprising EVOH, and an outer abuse layer, typically comprising a polyolefin or a polyamide. The film is converted into containers, such as bags or pouches, by sealing it to itself and employed for cook-in and pasteurization applications. With the new films it is possible to better control the decay with aging of the seal strength of the factory seals of these containers. |
