| 摘要 |
<p>A pasteurizable, cook-in shrink bag is provided that comprises a first or sealing and food contact layer composed of propylene homopolymer or copolymer; a second or heat shrinkable layer composed of a blend of propylene homopolymer or copolymer and butylene homopolymer or copolymer; a third or adhesive layer composed of ethylene methacrylate copolymer; a fourth or barrier layer composed of vinylidene chloride copolymer; a fifth or adhesive layer as in said third layer; and a sixth or optical clarity layer as in said first layer; further provided that the foregoing bag structure is oriented and irradiated to a dose of about 4-12 megarads after orienting or alternatively, though less preferred, to about 6-12 megarads before orienting. Associated method for making said bag is also provided.</p> |
