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    • 70. 发明专利
    • Aqueous ink for mimeographic printing and method of mimeographic printing
    • 墨水打印墨水和墨西哥印刷方法
    • JP2007084585A
    • 2007-04-05
    • JP2005271157
    • 2005-09-16
    • Riso Kagaku Corp理想科学工業株式会社
    • HAYASHI YOSHIHIROTSUNODA HAJIMETANAKA YOSHITAKA
    • B41L13/18C09D11/02C09D11/0235C09D11/033C09D11/037
    • B41L13/18C09D11/0235
    • PROBLEM TO BE SOLVED: To provide an aqueous mimeographic printing ink without causing the poor recovery of the ink, and thereby capable of obtaining a printed matter having an excellent image-forming property, and a method for performing the mimeographic printing by using the ink. SOLUTION: This aqueous ink for the mimeographic printing contains a pigment as a coloring agent and at least 1 kind selected from a group consisting of a melamine sulfonic acid-formaldehyde condensate, lignin sulfonated acid, bisphenol sulfonic acid, polystyrene sulfonic acid and polyisoprene sulfonic acid as a pigment dispersing agent. The mimeographic printing is performed by using the ink and a mimeographic printer equipped with a freely rotatable drum on whose outer circumferential wall surface a mimeographic stock paper is mounted, an ink-feeding means feeding the ink from more upstream printing side than the maximum printable area of the outer circumferential wall of the drum. a press roll for pressing a fed printing medium to the outer circumferential wall and an ink-recovering means for recovering the ink. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供水性油墨印刷油墨,而不会导致油墨的回复不良,从而能够获得具有优异成像性能的印刷品,以及通过使用以下方式进行油印印刷的方法 墨水。 解决方案:这种水印印刷用水性油墨含有作为着色剂的颜料和选自三聚氰胺磺酸 - 甲醛缩合物,木质素磺酸,双酚磺酸,聚苯乙烯磺酸和 聚异戊二烯磺酸作为颜料分散剂。 通过使用油墨和配备有可旋转的滚筒,在其外周壁表面上安装有墨西哥纸的墨水打印机进行油墨印刷,从最大可打印区域的上游印刷侧供墨的供墨装置 的鼓的外周壁。 用于将进给的印刷介质压到外周壁的压辊和用于回收油墨的油墨回收装置。 版权所有(C)2007,JPO&INPIT