发明名称 |
INKJET RECORDING INK SET, INK CARTRIDGE, AND INKJET RECORDING APPARATUS |
摘要 |
<p>An inkjet recording ink set containing at least a black pigment ink and a color pigment ink which has a color selected from one or more colors, wherein the black pigment ink contains a first anionic self-emulsifying ether polyurethane resin having an acid value of 65 mgKOH/g to 85 mgKOH/g, and the at least one color pigment ink of every color contains a second anionic self-emulsifying ether polyurethane resin having an acid value 10 mgKOH/g to 40 mgKOH/g lower than those of the first anionic self-emulsifying ether polyurethane resin contained in the black pigment ink.</p> |
申请公布号 |
EP2449041(A1) |
申请公布日期 |
2012.05.09 |
申请号 |
EP20100780696 |
申请日期 |
2010.05.28 |
申请人 |
RICOH COMPANY LTD. |
发明人 |
HASEGAWA, SHIN;HAKIRI, MINORU;NARUSE, MITSURU |
分类号 |
B41J2/01;B41M5/00;C09D11/00;C09D11/322;C09D11/326;C09D11/38 |
主分类号 |
B41J2/01 |
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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