Title:
AZO COMPOUND OR SALT THEREOF, AND PIGMENT COMPOSITION CONTAINING THE SAME
Document Type and Number:
Japanese Patent JP2018168241
Kind Code:
A
Abstract:
To provide a stable composition as a colorant for a resist of a color filter etc., the composition being obtained by microparticulation of a pigment composition containing an organic pigment and highly increasing the concentration of the pigment composition without causing coagulation, sedimentation and viscosity increase over time.SOLUTION: An azo compound represented by formula (1) or salt thereof is provided. In the formula (1), Rrepresents a hydrogen atom, a methyl group or an ethyl group. Rto Rrepresent a hydrogen atom or a halogen atom. At least one of Rto Rrepresents a halogen atom. M represents a hydrogen atom, an alkali metal atom, an alkali earth metal atom or a -NZZZZgroup. Zto Zrepresent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a hydroxy alkyl group having 1 to 4 carbon atoms, an aralkyl group, a cycloalkyl group having 5 or 6 carbon atom, an aryl group or an alkyl group having 1 to 4 carbon atoms substituted by a cycloalkyl group having 5 or 6 carbon atoms.SELECTED DRAWING: None
Inventors:
TAKEUCHI RIE
Application Number:
JP2017065380A
Publication Date:
November 01, 2018
Filing Date:
March 29, 2017
Export Citation:
Assignee:
NIPPON KAYAKU KK
International Classes:
C09B29/045; B41J2/01; C09B29/42; C09B67/20; C09B67/22; C09B67/46; C09D11/328
Domestic Patent References:
| JP2011219741A | 2011-11-04 | |||
| JP2003128947A | 2003-05-08 | |||
| JP2016169356A | 2016-09-23 | |||
| JP2017002106A | 2017-01-05 | |||
| JP2016204447A | 2016-12-08 |