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    • 7. 发明授权
    • Process for manufacturing a sheet material
    • 制造片材的方法
    • US08372241B2
    • 2013-02-12
    • US12666735
    • 2008-07-11
    • Michel CamusPierre Doublet
    • Michel CamusPierre Doublet
    • B44F1/12
    • D21F9/043D21H21/32D21H21/40D21H21/48
    • A process for manufacturing a sheet material comprising at least two fibrous plies juxtaposed one on top of the other, including the following steps: a first paper ply is produced by filtration of an aqueous suspension of fibers on the wire cloth of a cylinder mold or of a former; a second paper ply is produced on the wire cloth of a second cylinder mold so as to form at least one recess in the second ply; at least one at least partially transparent element is placed between the two plies that are still wet; and the two plies are joined together so that said at least one recess of the second ply, the at least one at least partially transparent element and the at least one elongate region of zero thickness of the first ply are situated facing one another; then drying the obtained structure.
    • 一种制造片材的方法,包括至少两个并列在另一个上的纤维层,包括以下步骤:第一纸层是通过在圆筒模具的丝网上过滤纤维的水悬浮液而制成的, 前任; 在第二圆筒模具的丝布上产生第二纸层,以在第二层中形成至少一个凹部; 至少一个至少部分透明的元件放置在仍然是湿的两层之间; 并且所述两个层结合在一起,使得所述第二层的所述至少一个凹部,所述至少一个至少部分透明的元件和所述第一层的零厚度的所述至少一个细长区域彼此面对; 然后干燥得到的结构。
    • 9. 发明授权
    • Method of producing polymer layer with latent polarized image
    • 具有潜极化图像的聚合物层的制造方法
    • US08227024B2
    • 2012-07-24
    • US11886351
    • 2005-06-09
    • Gennadiy BorovkovAlexei PavlovVadim ShevkoYuriy Emelyanov
    • Gennadiy BorovkovAlexei PavlovVadim ShevkoYuriy Emelyanov
    • B41M5/00G02B5/30B44F1/12
    • B41M5/36B41M3/14B41M3/146B41M2205/04B42D25/29
    • The present invention provides a method of producing a latent polarized image having high contrast characteristics with no apparent contours or traces of the image under normal visualization. A polymer solution is prepared in an organic solvent, and then applied onto a light-reflecting substrate. The polymer layer is dried to produce an optically isotropic polymer layer and anisotropic images are formed on the polymer layer. The polymer solution's concentration is from 5 to 30% by weight, and the images are formed by application of micro-lines by thermo-mechanical means, having depths from 1 to 3 μm and being separated from one another by 4 to 6 μm at a process rate from 10 to 50 m/min. The thermomechanical means operates at a temperature that is 10 to 60% less than the polymer melting/disintegration temperature and contacts the polymer layer to form micro-lines for 0.015 to 0.650 msec.
    • 本发明提供一种生产具有高对比度特性的潜影偏振图像的方法,在正常可视化下没有图像的明显轮廓或痕迹。 在有机溶剂中制备聚合物溶液,然后涂布在光反射基板上。 将聚合物层干燥以产生光学各向同性聚合物层,并且在聚合物层上形成各向异性图像。 聚合物溶液的浓度为5〜30重量%,图像通过使用微机械装置的微线形成,深度为1〜3μm,并在1〜3μm的范围内彼此分离4〜6μm 处理速度为10〜50m / min。 热机械装置在比聚合物熔融/崩解温度低10至60%的温度下操作,并与聚合物层接触以形成0.015至0.650毫秒的微细线。