Title:
COLOR MATERIAL LIQUID DISPERSION, MODIFIED COLOR MATERIAL, CURABLE COLORING COMPOSITION, COLOR FILTER, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/202208
Kind Code:
A1
Abstract:
This color material liquid dispersion contains: a color material; a dispersant; a nitrogen-containing basic compound having a pKa of at least 11.5; an acidic group-containing compound having a pKa of at most 4.0; and a solvent, wherein the nitrogen-containing basic compound having a pKa of at least 11.5 and the acidic group-containing compound having a pKa of at most 4.0 are each contained in an amount of 0.1-30.0 part by mass with respect to 100 parts by mass of the color material, and the dispersant includes a polymer which has a structural unit represented by general formula (I) and of which an amine value before salt formation is less than 10 mgKOH/g. (In general formula (I), R1 represents a hydrogen atom or a methyl group, A represents a direct bond or a divalent linking group, and Q is an acidic group.)
Inventors:
NAGAI TAKERO (JP)
Application Number:
PCT/JP2022/009303
Publication Date:
September 29, 2022
Filing Date:
March 04, 2022
Export Citation:
Assignee:
DNP FINE CHEMICALS CO LTD (JP)
International Classes:
C08F265/06; C08F290/04; C09B67/20; C09B67/46; C09K23/52; G02B5/20
Domestic Patent References:
| WO2011013318A1 | 2011-02-03 | |||
| WO2020071041A1 | 2020-04-09 | |||
| WO2010122777A1 | 2010-10-28 |
Foreign References:
| JP2020169242A | 2020-10-15 | |||
| JP2012098381A | 2012-05-24 | |||
| JP2020164555A | 2020-10-08 | |||
| JP6605783B1 | 2019-11-13 | |||
| JP2007041330A | 2007-02-15 | |||
| JPS63248864A | 1988-10-17 |
Attorney, Agent or Firm:
KISHIMOTO, Tatsuhito et al. (JP)
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