发明名称 Inkjet recording ink, ink cartridge, inkjet recording method, inkjet recording apparatus, and ink recorded matter
摘要 The present invention provides an inkjet recording ink containing at least a pigment dispersion liquid A containing at least a first carbon black, a dispersant, and water, and a self-dispersible pigment dispersion liquid B which contains a second carbon black having a surface functional group, wherein a mass ratio (Ac:Bc) of the amount of the first carbon black (Ac) in the pigment dispersion liquid A to the amount of the second carbon black (Bc) having a surface functional group in the self-dispersible pigment dispersion liquid B is 98:2 to 50:50.
申请公布号 US8197049(B2) 申请公布日期 2012.06.12
申请号 US20080809783 申请日期 2008.12.18
申请人 HAKIRI MINORU;NARUSE MITSURU;FUSHIMI HIROYUKI;HASEGAWA SHIN;RICOH COMPANY, LTD. 发明人 HAKIRI MINORU;NARUSE MITSURU;FUSHIMI HIROYUKI;HASEGAWA SHIN
分类号 B41J2/17 主分类号 B41J2/17
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