发明名称 MULTILAYER HEAT SHRINK FILM COMPRISING ETHYLENE/VINYL ACETATE COPOLYMER AND VERY LOW DENSITY POLYETHYLENE POLYMER LAYERS
摘要 <p>A multi-layer heat shrinkable film not confined to but including at least three layers, one outside layer being of a blend of EVA and VLDPE, the other outside layer being VLDPE or a blend of VLDPE and EVA and an internal layer being EVA or primarily EVA. Such a multi-layer heat shrink film has good resistance of abuse. The film may include the optional barrier film and optionally two of the two contiguous co-extruded layers can be irradiated prior to the third or further layers. Such a precursor is then stretched into the film thickness required. The invention covers the method of treatment of such a film and a container or package including such a film.</p>
申请公布号 NZ226983(A) 申请公布日期 1990.08.28
申请号 NZ19880226983 申请日期 1988.11.17
申请人 W R GRACE (NZ) LTD 发明人 MCMURTRIE, ANTHONY WARREN;BAINBRIDGE, GRAHAM THOMAS HUNTER
分类号 A22C13/00;B29B13/08;B29C47/04;B29C47/06;B32B27/08;B32B27/16;B32B27/28;B32B27/30;B65B11/52;B65D65/02;B65D65/40;B65D71/08;(IPC1-7):B32B27/08;B32B31/28;B32B31/16 主分类号 A22C13/00
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