发明名称 MULTI-LAYER HEAT-SHRINKABLE PACKAGING FILM CONTAINING ETHYLENE-PROPYLENE COPOLYMER
摘要 <p>The multi-layer polyolefin shrink film of this invention provides a unique combination of shrink tension, optical clarity, cuttability, 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 ethylene-propylene copolymer and each surface layer comprises an ethylene-propylene copolymer.</p>
申请公布号 NZ199623(A) 申请公布日期 1985.03.20
申请号 NZ19820199623 申请日期 1982.02.01
申请人 W. R. GRACE & CO. 发明人 MUELLER, W. 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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