发明名称 Heat-shrinkable layered polyolefin film, heat-shrinkable label, and container with the label attached thereto
摘要 A heat-shrinkable polyolefin series laminated film having excellent firmness (stiffness at ordinary temperature) of film, resistance to fingerprint bleaching, shrink finishability, transparency and regeneration additivity, with a small natural shrinkage and accurately separable by specific gravity, can be provided by, in a laminated film provided with a surface layer (I) and an intermediate layer (III), forming the surface layer (I) with a mixed resin of cyclic olefin series resin and a polyethylene series resin (A) with a Tm of 80° C. or higher but no greater than 125° C. as a main component, and, forming the intermediate layer (III) with a resin composition having as a main component a cyclic olefin series resin, preferably a mixed resin composition of a cyclic olefin series resin and a polyethylene series resin (C) with a Tm exceeding 125° C. but no greater than 140° C., as a main component.
申请公布号 US7727620(B2) 申请公布日期 2010.06.01
申请号 US20050599526 申请日期 2005.03.30
申请人 MITSUBISHI PLASTICS, INC. 发明人 YAMADA TAKEYOSHI;TANIGUCHI KOUICHIROU;MIYAZAKI HIDEYASU
分类号 B32B27/32;B32B27/00 主分类号 B32B27/32
代理机构 代理人
主权项
地址