| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To give storage stability, discharge stability and nozzle recovery property of a recording liquid. <P>SOLUTION: The recording liquid i is produced with an apparatus composed of a storing tank 3 for preparation of a mixed solution 2 by mixing a solvent, a coloring material, a surfactant and a defoaming agent, a stirring device 13 stirring the mixed solution 2, a plurality of supplying devices 14 supplying such as the coloring material and the defoaming agent to the storing tank 3, a filtering section 6 filtering the mixed solution 2, and a temperature adjusting device 16 placed at the upper stream of the filtering section 6 to adjust the temperature of the mixed solution 2, and adjusting the mixed solution 2 at a temperature lower than the clouding point of the defoaming agent by the temperature adjusting device 16 and then filtering the mixed solution in the filtering section 6, to give the recording liquid i. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
