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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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