AZO COMPOUND, AZO PIGMENT, PIGMENT DISPERSION, COLORING COMPOSITION, INK FOR INKJET RECORDING, COLORING COMPOSITION FOR COLOR FILTER, COLOR FILTER, AND PREPARATION METHOD OF COLORING COMPOSITION FOR COLOR FILTER

摘要

PPROBLEM TO BE SOLVED: To provide an azo pigment excellent in coloring power, color characteristics, and durability, and a pigment dispersion. PSOLUTION: The azo compound is represented by general formula (2). In the formula: GSB2/SBis H, an alkyl group, an aryl group or a heterocyclic group; RSB21/SBis -C(=O)NRSB4/SBRSB5/SB, -NRSB6/SBC(=O)-RSB7/SB, -C(=O)ORSB8/SB, or -ORSB8/SB; RSB23/SBis H, an alkyl group, a heterocyclic group, an aliphatic oxy group or a halogen atom; ASB2/SBis a heterocyclic group; m is an integer of 0-5; RSB4/SBand RSB6/SBare each H or an alkyl group; RSB5/SBis H, an alkyl group, an aryl group, a heterocyclic group or -N(RSB9/SB)(RSB10/SB); RSB7/SBis an alkyl group, an aryl group, a heterocyclic group, an acyl group, an alkoxy group or -N(RSB9/SB)(RSB10/SB); RSB8/SBis H, an alkyl group, an aryl group, a heterocyclic group or an acyl group. PCOPYRIGHT: (C)2010,JPO&INPIT