Method for manufacturing pigment dispersion
First Claim
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1. A method for manufacturing a pigment dispersion, the method comprising:
- preparing a solution in which a pigment that is selected from the group consisting of a quinacridone compound and copper phthalocyanine is dissolved in an organic acid;
preparing a reaction liquid capable of decreasing the solubility of the pigment in the solution; and
mixing the solution and the reaction liquid in the presence of an additive represented by a General Formula (1) below,
CmH2m+1(OCH2CH2)nOH
(1)wherein m is an integer higher than 14 and lower than 18, and n is an integer equal to or higher than 15 and equal to or lower than 25.
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Abstract
A method is provided for pigment dispersion. The method includes preparing a solution in which the pigment is dissolved in an organic acid, preparing a reaction liquid capable of decreasing the solubility of the pigment in the solution, and mixing the solution and the reaction liquid in the presence of an additive represented by a General Formula (1) below,
CmH2m+1(OCH2CH2)nOH (1)
wherein m is an integer higher than 14 and lower than 18, and n is an integer equal to or higher than 15 and equal to or lower than 25.
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8 Claims
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1. A method for manufacturing a pigment dispersion, the method comprising:
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preparing a solution in which a pigment that is selected from the group consisting of a quinacridone compound and copper phthalocyanine is dissolved in an organic acid; preparing a reaction liquid capable of decreasing the solubility of the pigment in the solution; and mixing the solution and the reaction liquid in the presence of an additive represented by a General Formula (1) below,
CmH2m+1(OCH2CH2)nOH
(1)wherein m is an integer higher than 14 and lower than 18, and n is an integer equal to or higher than 15 and equal to or lower than 25. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification