WATER-SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION AND COLORED ARTICLE
PROBLEM TO BE SOLVED: To provide a water-soluble yellow pigment that has high solubility in water and is excellent in various fastness such as water resistance, moisture resistance, ozone gas resistance, abrasion resistance and light resistance of an image, and also excellent in color development an...
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Main Authors | , |
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Format | Patent |
Language | English Japanese |
Published |
23.09.2016
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To provide a water-soluble yellow pigment that has high solubility in water and is excellent in various fastness such as water resistance, moisture resistance, ozone gas resistance, abrasion resistance and light resistance of an image, and also excellent in color development and chroma, and a yellow ink composition for various recordings, especially inkjet recording, containing the same.SOLUTION: The present invention provides a water-soluble azo compound represented by formula (1) or salt thereof (Y is O or S; Q is a halogen atom; x and z independently represent an integer of 2-4; n and m independently represent an integer of 1-6; R is H, an alkyl group, an aryl group, an alkylcarbonyl group, an arylcarbonyl group, an alkylsulfinyl group, an arylsulfinyl group, an alkylsulfonyl group or an arylsulfonyl group).SELECTED DRAWING: None
【課題】水に対する溶解性が高く、画像の耐水性、耐湿性、耐オゾンガス性、耐擦性及び耐光性等の各種堅牢性に優れ、また発色性や、彩度に優れる水溶性の黄色色素及びそれを含有する各種記録用、特にインクジェット記録用のイエローインク組成物の提供。【解決手段】式(1)で表される水溶性アゾ化合物又はその塩。(YはO又はS;Qはハロゲン原子;x及びzは各々独立に2〜4の整数;n及びmは各々独立に1〜6の整数;RはH、アルキル基、アリール基、アルキルカルボニル基、アリールカルボニル基、アルキルスルフィニル基、アリールスルフィニル基、アルキルスルホニル基又はアリールスルホニル基)【選択図】なし |
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Bibliography: | Application Number: JP20150047860 |