发明名称 HEAT-SHRINKABLE MULTILAYER FILM AND HEAT-SHRINKABLE LABEL
摘要 <P>PROBLEM TO BE SOLVED: To provide a heat-shrinkable multilayer film having high low-temperature shrinkability as well as excellent fold whitening resistance and perforation adequacy, and also a heat-shrinkable label using the heat-shrinkable multilayer film. <P>SOLUTION: The heat-shrinkable multilayer film includes front and back layers containing a polyester resin and an intermediate layer containing a polystyrene copolymer, each of the front and back layers being laminated on the intermediate layer through an adhesive layer containing 60-85 wt.% of a polyester resin and 15-40 wt.% of a polystyrene copolymer. The film has a tensile fracture elongation in a main contraction direction of 30% or more. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012131169(A) 申请公布日期 2012.07.12
申请号 JP20100286440 申请日期 2010.12.22
申请人 GUNZE LTD 发明人 ISHIKAWA KIYOYASU;MARUICHI NAOYUKI
分类号 B32B27/30;B32B27/36;B65D65/40 主分类号 B32B27/30
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