Title:
AZO COMPOUND, AQUEOUS DYE SOLUTION USING THE SAME, INK AND USE THEREOF
Document Type and Number:
Japanese Patent JP2011225887
Kind Code:
A
Abstract:
To provide an azo compound which is reduced in the copper ion content and exhibits hue and clarity suitable for inkjet recording and which can give records having excellent light fastness, water resistance, and moisture resistance, and such ozone resistance as to control the fading and the discoloration, and to provide a water-based yellow ink using the same.
There are provided the azo compound represented by formula (12) having a content of impurity copper ions of 100 ppm or below or a salt thereof, and an ink containing the same.
Inventors:
KITAYAMA HIROKAZU
SHIRASAKI YASUO
MATSUI TAKAHIKO
ONO HIROAKI
SHIRASAKI YASUO
MATSUI TAKAHIKO
ONO HIROAKI
Application Number:
JP2011126963A
Publication Date:
November 10, 2011
Filing Date:
June 07, 2011
Export Citation:
Assignee:
NIPPON KAYAKU KK
International Classes:
C09B43/00; B41J2/01; B41M5/00; B41M5/50; B41M5/52; C07D249/06; C09B43/06; C09B56/04; C09B56/08; C09B67/20; C09B67/26; C09D11/00; C09D11/328
Attorney, Agent or Firm:
Yoshio Kawaguchi
Katsuma Osaki
Katsuma Osaki
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