发明名称 METHOD FOR PRODUCING PIGMENT DISPERSION LIQUID AND INK FOR INKJET RECORDING PRODUCED BY USING THE SAME
摘要 <P>PROBLEM TO BE SOLVED: To provide a pigment dispersion liquid having small pH variation, excellent ejection stability and liquid stability and excellent color definition, a technology relating to a method for the production of a pigment-base ink for inkjet recording by using the pigment dispersion liquid, and provide a pigment dispersion liquid having small pH variation and excellent ejection stability, a pigment-base ink for inkjet recording, an ink set for inkjet recording, an ink cartridge, an inkjet printer, an image-forming method and a material having formed image. <P>SOLUTION: The method for the production of a pigment dispersion liquid for inkjet recording comprises dispersing a mixture at least containing a pigment, a dispersing agent and water. A mixture produced by mixing a pH buffering agent in addition to at least a pigment, a dispersing agent and water is subjected to dispersion treatment. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2004352902(A) 申请公布日期 2004.12.16
申请号 JP20030153739 申请日期 2003.05.30
申请人 RICOH CO LTD 发明人 HAKIRI MINORU;TANIGUCHI KEIJI;HASEGAWA SHIN
分类号 B41J2/01;B41M5/00;C09C1/56;C09D11/00;C09D11/322;C09D11/324;C09D11/328;C09D17/00 主分类号 B41J2/01
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