Forgery-preventive fretwork paper
    3.
    发明授权
    Forgery-preventive fretwork paper 失效
    防伪造纸

    公开(公告)号:US5871833A

    公开(公告)日:1999-02-16

    申请号:US782117

    申请日:1997-01-13

    摘要: A forgery-preventive fretwork paper comprising a support layer and an engraving coating layer, the support layer being a stretched laminate which comprises a biaxially stretched propylene resin film layer as a base layer and, laminated thereto on each of front and back sides thereof, a uniaxially stretched propylene resin film layer containing fine inorganic powder, wherein said support layer has (1) an opacity (JIS P-8138) of from 50 to 100% and (2) a density (JIS P-8188) of from 0.70 to 1.4 g/cm.sup.3, and the paper bearing an engraving extending into the engraving coating layer or to one of the uniaxially stretched films of the support layer.

    摘要翻译: 一种防伪造纸,包括支撑层和雕刻涂层,所述支撑层是拉伸层压体,其包括作为基底层的双轴拉伸丙烯树脂膜层,并且在其前后各自层叠有丙烯树脂膜层, 单轴拉伸的含有无机粉末的丙烯树脂膜层,其中所述载体层具有(1)50至100%的不透明度(JIS P-8138)和(2)密度(JIS P-8188)为0.70至1.4 g / cm 3,并且载有延伸到雕刻涂层或支撑层的单轴拉伸膜之一的雕刻的纸。