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    • 10. 发明公开
    • PRINTING PAPER, MANUFACTURING DEVICE THEREFOR, AND PRINTING SYSTEM
    • DRUCKPAPIER,HERSTELLUNGSVORRICHTUNGDAFÜRUND DRUCKSYSTEM
    • EP2979885A1
    • 2016-02-03
    • EP13879921.8
    • 2013-09-13
    • SCREEN Holdings Co., Ltd.
    • IWASA Hiroshi
    • B41M5/00B05D5/04B41J2/01B41M5/50B41M5/52
    • B05B15/04B05B12/16B05B15/00B05D3/007B41J2/01B41M5/5245D21H19/10D21H19/20D21H19/24D21H19/82
    • The present invention aims to modify a surface condition of coated paper for offset printing so that the surface condition is suitable for a water-based ink at low costs. To this end, printing paper according to the present invention includes a base material and a coating layer disposed on the base material and being capable of receiving an oil-based ink, and the coating layer includes, in an upper portion thereof, an ink receiving layer containing a cationic polymer and being capable of receiving the water-base ink by allowing the water-based ink to penetrate into the ink receiving layer. When ejected onto the printing paper, the water-based ink penetrates into the ink receiving layer included in the upper portion of the coating layer and is received, so that bleeding of the water-based ink is suppressed. The printing paper can be manufactured at low costs without containing expensive materials such as inorganic fine particles. The surface condition of the coated paper for offset printing can thus be modified so as to be suitable for the water-based ink at low costs.
    • 本发明旨在改进用于胶印的涂布纸的表面状态,使得表面状态以低成本适用于水性油墨。 为此,根据本发明的打印纸包括基材和设置在基材上的涂层,并且能够接收油性油墨,并且涂层在其上部包括油墨接收 含有阳离子聚合物的层,并且能够通过使水性油墨渗透到油墨接收层中而能够接收水基油墨。 当喷射到打印纸上时,水性油墨渗透到包覆在涂层上部的油墨接收层中并被接收,使得水性油墨的渗色被抑制。 印刷纸可以低成本地制造,而不含昂贵的材料如无机细颗粒。 因此,可以改变胶版印刷用涂布纸的表面状态,以便以低成本适用于水性油墨。