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    Multilayer packaging film
    2.
    发明公开
    Multilayer packaging film 失效
    Mehrschichtiger Verpackungsfilm

    公开(公告)号：EP0705687A1

    公开(公告)日：1996-04-10

    申请号：EP95306968.9

    申请日：1995-10-02

    申请人： SUMITOMO CHEMICAL COMPANY, LIMITED ,  OKURA INDUSTRIAL CO. LTD

    发明人： Hayashida, Haruo ,  Ichige, Akihiro ,  Yamada, Takeshi ,  Kondo, Kazuo ,  Tada, Teruo ,  Wano, Toyoki ,  Zenigame, Masaaki

    IPC分类号： B32B27/32 ,  B65D65/40

    CPC分类号： B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  B32B2250/03 ,  B32B2309/105 ,  B32B2439/70 ,  Y10S428/91 ,  Y10T428/31913

    摘要： A laminated film useful for packaging is disclosed, which includes two outer layers and a core layer of a polypropylene resin interposed therebetween, each of the outer layers comprising (A) an ethylene-α-olefin copolymer having a density of less than 0.910 g/cm³ but not less than 0.870 g/cm³ and an ethylene content of at least 50 mol% and showing only one endothermic peak when analyzed by differential scanning calorimetry (DSC), (B) an ethylene-α-olefin copolymer having a density of 0.910-0.935 g/cm³ and an ethylene content of at least 50 mol%, and (C) an anti-fogging agent, wherein the density of (B) is greater by at least 0.008 g/cm³ than that of (A).

    摘要翻译： 公开了一种用于包装的层压膜，其包括两个外层和夹在其间的聚丙烯树脂的芯层，每个外层包含（A）密度小于0.910g / m 3的乙烯-α-烯烃共聚物， cm 3，但不小于0.870g / cm 3，乙烯含量至少为50mol％，当通过差示扫描量热法（DSC）分析时，仅显示一个吸热峰，（B）乙烯-α-烯烃 共聚物，其密度为0.910-0.935g / cm 3，乙烯含量为至少50mol％，和（C）防雾剂，其中（B）的密度大于0.008g / cm 3比（A）高。

    Heat-shrinkable polypropylene film with improved printability
    4.
    发明公开
    Heat-shrinkable polypropylene film with improved printability 失效
    ä。。arer。。。。。。。。。。。。。

    公开(公告)号：EP0454333A1

    公开(公告)日：1991-10-30

    申请号：EP91303324.7

    申请日：1991-04-16

    申请人： OKURA INDUSTRIAL CO. LTD ,  SUMITOMO CHEMICAL COMPANY, LIMITED

    发明人： Kondo, Kazuo ,  Ishiguro, Nobuya ,  Wano, Toyoki ,  Tada, Teruo ,  Yoshida, Teruaki

    IPC分类号： B41M1/30

    CPC分类号： B41M1/305 ,  Y10S428/91 ,  Y10T428/259 ,  Y10T428/2826 ,  Y10T428/31663 ,  Y10T428/31913

    摘要： A heat-shrinkable polypropylene film adapted to be printed with, particularly, a flexographic ink is disclosed, which comprises a single layer heat-shrinkable film comprizing a polypropylene resin composition containing spherical silicone resin fine particles of 0.2 to 5 microns in average particle size in a content of 0.1 to 0.7 % by weight or a multi-layer heat-shrirnkable film wherein at least one of the surface layer comprises said polypropylene resin composition, with at least one surface of the single layer film or one surface of the surface layer of the multi-layer film having been subjected to corona discharge treatment to such degree that wettability index of the treated surface becomes 36 to 42 dyn/cm.

    摘要翻译： 公开了一种适合印刷特别是柔性油墨的热收缩聚丙烯薄膜，其包括单层热收缩膜，其包含平均粒度为0.2至5微米的球形硅氧烷树脂细颗粒的聚丙烯树脂组合物 0.1〜0.7重量％的含量或多层热可伸缩膜，其中至少一个表层包含所述聚丙烯树脂组合物，其中单层膜的至少一个表面或表层的一个表面 经过电晕放电处理的多层膜的处理表面的润湿指数变为36〜42dyn / cm。