发明名称 COEXTRUDED, HEAT-SHRINKABLE, MULTI-LAYER, POLYOLEFIN PACKAGING FILM
摘要 <p>COEXTRUDED, HEAT-SHRINKABLE, MULTI-LAYER, POLYOLEFIN PACKAGING FILM The multi-layer polyolefin shrink film of this invention provides a unique combination of shrink tension, optical clarity, quotably, sealability, shrink temperature range, and tear resistance which is highly desirable for many packaging applications. The preferred film has three layers in which the core layer comprises an ethylene-vinyl acetate copolymer blended with an ethylenepropylene copolymer and each surface layer comprises an ethylenepropylene copolymer.</p>
申请公布号 CA1166809(A) 申请公布日期 1984.05.08
申请号 CA19820395489 申请日期 1982.02.03
申请人 GRACE (W. R.) & CO. 发明人 MUELLER, WALTER B.
分类号 B29C61/06;B32B27/28;B32B27/32;B65D65/40;(IPC1-7):B32B27/08 主分类号 B29C61/06
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