发明名称 PACKAGING FILM * AND ITS MANUFACTURE
摘要 <p>The multi-layer polyolefin shrink film of this invention provides shrink tensions, optical clarity, cuttability, sealability, shrink temperature range, and tear resistance heretofore unobtainable in an oriented, monolayer polyolefin material. The preferred film has three layers in which the core layer comprises a blend of ethylene-vinyl acetate copolymer with ethylene-butylene copolymer and each skin layer comprises ethylene-propylene copolymer.</p>
申请公布号 JPS54155282(A) 申请公布日期 1979.12.07
申请号 JP19790032423 申请日期 1979.03.22
申请人 GRACE W R & CO 发明人 UORUTAA BIYUU MIYUURAA
分类号 B29C55/12;B29C61/06;B29K105/02;B29L9/00;B32B27/28;B32B27/32;B65D65/40 主分类号 B29C55/12
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