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    • 7. 发明公开
    • Manufacturing method of ink jet recording paper and ink jet recording paper
    • Verfahren zur Herstellung von Tintenstrahlaufzeichnungspapier und Tintenstrahlaufzeichnungspapier
    • EP1619036A2
    • 2006-01-25
    • EP05106010.1
    • 2005-07-01
    • Konica Minolta Photo Imaging, Inc.
    • Hiyama, Kunimasa
    • B41M5/00
    • B41M5/52B41M5/502
    • A method of manufacturing an ink jet recording paper comprising the steps of: (a) applying a first coating composition containing inorganic microparticles and a binder onto a support to form a porous ink absorbing layer; (b) drying the porous ink absorbing layer; (c) applying a second coating composition onto the porous ink absorbing layer during the drying step (b); and (d) drying the porous ink absorbing layers, wherein the second coating composition exhibits a pH buffering function, and both conditions (1) and (2) are satisfied at the same time: Condition (1) pH b - pH c c - pH a , Condition (2) pH a b , wherein pH a , pH b , and pH c are respectively a pH value of the first coating composition, a pH value of the second coating composition, and a pH value of a surface of the ink jet recording paper.
    • 一种制造喷墨记录纸的方法,包括以下步骤:(a)将含有无机微粒和粘合剂的第一涂料组合物涂布在载体上以形成多孔油墨吸收层; (b)干燥多孔油墨吸收层; (c)在干燥步骤(b)期间将第二涂料组合物施加到多孔油墨吸收层上; 和(d)干燥多孔墨吸收层,其中第二涂料组合物显示pH缓冲功能,同时满足条件(1)和(2):条件(1)pH b-pH c <1.0