发明名称 |
Pigment dispersion, recording ink, ink cartridge, ink-jet recording method and ink-jet recording apparatus |
摘要 |
A pigment dispersion is provided that includes a pigment, a pigment dispersant, a polymer dispersion stabilizer and water, wherein the polymer dispersion stabilizer is an alpha-olefin/maleic anhydride copolymer expressed by the formula (1) below. A recording ink is also provided that includes the pigment dispersion, a surfactant, a water-dispersible resin, a humectant and water. In the structural formula (1), R represents an alkyl group and n is an integer of 30 to 100. |
申请公布号 |
US8242201(B2) |
申请公布日期 |
2012.08.14 |
申请号 |
US20060158550 |
申请日期 |
2006.12.15 |
申请人 |
GOTO HIROSHI;MATSUYAMA AKIHIKO;NAGAI KIYOFUMI;RICOH COMPANY, LTD. |
发明人 |
GOTO HIROSHI;MATSUYAMA AKIHIKO;NAGAI KIYOFUMI |
分类号 |
C08L35/00 |
主分类号 |
C08L35/00 |
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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