发明名称 |
Coloring material and color filter |
摘要 |
There are provided a pigment-containing coloring material stably dispersible in a high concentration in various organic solvents, and a process for producing the same. The production process of the coloring material is characterized by comprising the steps of: providing a solution comprising (1) a soluble pigment precursor which is convertible into an insoluble pigment, (2) a solvent capable of dissolving the soluble pigment precursor therein, and (3) a stabilizing agent comprising an organic compound having a structure or a functional group capable of stabilizing the dispersibility of the insolubilized pigment in the solvent; and converting said soluble pigment precursor into an insoluble pigment to obtain the coloring material containing the insolubilized pigment dispersed stably in the solvent.
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申请公布号 |
US6656985(B1) |
申请公布日期 |
2003.12.02 |
申请号 |
US20000640175 |
申请日期 |
2000.08.17 |
申请人 |
DAI NIPPON PRINTING CO., LTD. |
发明人 |
YOSHIHARA TOSHIO;ITOU KIYOSHI;NAKAMURA KAZUHIKO;FURUKAWA MINORU;IQBAL ABUL;HAO ZHIMIN |
分类号 |
C08K5/00;C09B67/30;C09B67/46;(IPC1-7):C08K5/34;C09B67/00;C09K3/00;B01F3/00 |
主分类号 |
C08K5/00 |
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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