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    • 88. 发明公开
    • POLYOLEFIN-BASED FILM FOR DECORATIVE SHEET
    • FOLIE AUF POLYOLEFINBASISFÜREINE DEKORFOLIE
    • EP2939831A1
    • 2015-11-04
    • EP13868280.2
    • 2013-12-20
    • Mitsubishi Plastics, Inc.
    • KURATA Masashi
    • B32B27/32B32B27/00B32B27/20
    • B32B27/32B32B27/08B32B27/20B32B2270/00B32B2307/4026B32B2307/536B32B2307/71B32B2307/736B32B2451/00
    • The present invention addresses the problem of providing a polyolefin-based film for decorative sheets which, even when thin, causes no trouble during film conveyance and which enables the decorative sheets to retain high quality, e.g., high hiding properties, and has such satisfactory film-forming properties that generation of gum, etc. during film formation does not take place. The polyolefin-based film for decorative sheets has a thickness less than 60 µm and comprises a front layer, an interlayer, and a back layer, wherein the interlayer has a higher pigment content than the front layer and the back layer or only the interlayer contains a pigment. The color difference between the film placed on the white portion of the hiding power chart as provided for in JIS K 5600 and the film placed on the black portion thereof is 4.0 or less. The film, after a heat treatment at 110°C for 60 minutes, has a 10% modulus of 10.0 N/cm or more.
    • 本发明解决了提供用于装饰片的聚烯烃基膜的问题,即使在薄膜输送时也不会产生麻烦,并且能够使装饰片保持高质量,例如高遮盖性,并且具有令人满意的膜 在成膜期间不会发生胶状物等的产生。 用于装饰片的聚烯烃基膜的厚度小于60μm,包括前层,中间层和背层,其中中间层的颜料含量高于前层和背层,或者仅夹层 颜料。 放置在JIS K5600中规定的遮盖力图的白色部分上的胶片和放置在其黑色部分上的胶片之间的色差为4.0以下。 该膜在110℃下热处理60分钟后的10%模量为10.0N / cm以上。