专利名称：Heat-shrinkable polyester film 发明人：伊藤 勝也，多保田 規，野瀬 克彦
申请号：JP2006350447
申请日：20061226
公开号：JP4957235B2
公开日：
20120620
专利内容由知识产权出版社提供
摘要：笹原りむ
PROBLEM TO BE SOLVED: To provide a heat-shrinkable polyester film fitted to a label excellent in all of shrink finish properties, the close contact properties with a bottle and perforation opening properties.
SOLUTION: A polyester resin component A mainly containing a trimethylene terephthalate unit and a polyester resin component B mainly containing an ethylene terephthalate unit and a neopentyl terephthalate unit are respectively charged in separate extruders A1 and B1 to be melted and, after the molten resin components A and B are charged in a static mixer in a molten state, they are extruded from the T-die and the non-stretched sheet formed by cooling is at least stretched uniaxially to obtain the heat-shrinkable polyester film.
COPYRIGHT: (C)2007,JPO&INPIT
申请人：東洋紡績株式会社
国籍：JP
代理人：植木 久一，菅河 忠志，二口 治，伊藤 浩彰更多信息请下载全文后查看
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