发明名称 |
INK FOR INKJET RECORDING, INK SET FOR INKJET RECORDING AND INKJET RECORDING METHOD |
摘要 |
<p>An object of the present invention is to provide a magenta ink for ink jet recording excellent in weathering resistance. An additional object of the present invention is to provide a magenta ink for ink jet recording which is preferably provided with a hue as magenta ink, exhibits a high stability in ejection and causes no defects in water resistance and image quality in addition to the aforesaid requirement. <??>The objects of the present invention are accomplished with an ink for ink jet recording comprising a magenta dye selected from azo dyes dissolved or dispersed in an aqueous medium, characterized in that said magenta dye is a dye having a absorption maximum in a spectral range of from 500 to 580 nm in said aqueous medium and a more positive oxidation potential than 1.0 V (vs SCE), particularly with the aforesaid ink for ink jet recording wherein the azo dye has a specific structure having a 5-membered heterocyclic ring and a 4-amino-6-membered heterocyclic ring connected to the azo group.</p> |
申请公布号 |
EP1469048(A4) |
申请公布日期 |
2006.08.02 |
申请号 |
EP20030731826 |
申请日期 |
2003.01.23 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
TAGUCHI, TOSHIKI,2;OGAWA, MANABU;OZAWA, TAKASHI |
分类号 |
C09D11/00;C09D11/322;C09D11/328;(IPC1-7):C09D11/00;B41J2/01;B41M5/00 |
主分类号 |
C09D11/00 |
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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