09-09-2021 дата публикации
Номер: US20210277251A1
Disclosed is a pigment composition which comprises (a) a pigment of formula wherein Aris phenylene or C-C-heteroarylene, Aris C-C-aryl or C-C-heteroaryl; and (b) a pigment derivative of formula (PM-C X1). (II), wherein Pis a residue of a colorant chromophore, Xis a group comprising an aliphatic carboxamide group, an aliphatic sulfonamide group, a carboxylic acid group or salt thereof, and m is 1, 2, 3 or 4. The pigment composition is suitable to color organic material, especially photosensitive resist formulations for use in color filter applications having high contrast ratios. 2. The pigment composition of claim 1 , wherein Xis a group of formula{'br': None, 'sup': '1', '-A-D-G\u2003\u2003(III) or'}{'br': None, 'sup': '2', '-A-E\u2003\u2003(IV),'} [{'sup': 1', '2, 'sub': 1', '4, 'Aand Aare each independently a direct bond or a C-C-alkylene;'}, {'sub': 2', '2, 'sup': 5', '5, 'D is at least one selected from the group consisting of —NH—CO—, —NH—SO—, —CO—NR—, and —SO—NR—;'}, {'sub': 1', '6', '1', '6', '1', '6, 'sup': 6', '7', '6', '7, 'G is —(C-C-alkylene)-NRRor —(C-C-alkylene)-NH—NRR, wherein the C-C-alkylene is optionally interrupted by —NH—;'}, {'sup': '5', 'Ris H; or'}, {'sup': 5', '8, 'sub': 1', '4, 'G and Rtogether with a linking nitrogen form a 5- or 6-membered ring, wherein the 5- or 6-membered ring is unsubstituted or substituted with C-C-alkyl and/or interrupted by at least one selected from the group consisting of NR, O, and S;'}, {'sup': 6', '7, 'sub': 1', '4, 'Rand Rare each independently H or C-C-alkyl; or'}, {'sup': 6', '7', '8, 'sub': 1', '4, 'Rand Rtogether with the linking nitrogen form a 5- or 6-membered ring, wherein the 5- or 6-membered ring is unsubstituted or substituted with C-C-alkyl and/or interrupted by at least one selected from the group consisting of NR, O, and S;'}, {'sup': '8', 'sub': 1', '4, 'Ris H or C-C-alkyl; and'}, {'sub': 6', '12', '2, 'E is C-C-aryl substituted with COH or a salt thereof.'}], 'wherein4. The pigment composition ...
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