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Title:
WATER-SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION AND COLORED BODY
Document Type and Number:
Japanese Patent JP2015117338
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a water-soluble yellow pigment (compound) that is high in solubility in water, excellent in various fastness such as water resistance, moisture resistance, ozone gas resistance, abrasion resistance and light resistance, and excellent in color development (print density) and chroma.SOLUTION: This invention provides a trisazo compound prepared as follows: 2 equivalent of an azo compound A obtained by the coupling reaction of a product obtained by diazotizing 5-amino-2-methoxy benzene sulfonic acid and a product obtained by converting 5-chloro-2-(3-sulfopropoxy) aniline into methyl-ω-sulfonic acid derivative is reacted with 1 equivalent of cyanuric chloride, and then, the resultant product is reacted with 1 equivalent of an azo compound B obtained by the coupling reaction of a product obtained by diazotizing 4-amino-benzene sulfonic acid and aniline.

Inventors:
NAGATSUKA SHINYA
ONODERA ANRI
Application Number:
JP2013262792A
Publication Date:
June 25, 2015
Filing Date:
December 19, 2013
Export Citation:
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Assignee:
NIPPON KAYAKU KK
International Classes:
C09B43/16; B41J2/01; B41M5/00; B41M5/50; B41M5/52; C09B67/44; C09D11/00