COLOR COMPOSITION FOR IMAGE RECORDING AND IMAGE RECORDING AGENT

Title:

COLOR COMPOSITION FOR IMAGE RECORDING AND IMAGE RECORDING AGENT

Document Type and Number:

Japanese Patent JP2003241431

Kind Code:

A

Abstract:

To provide a color composition for image recording excellent in various performances including heat-resistant rigidity which means the sharpness of hue, brightness, transparency or the like does not change by heat history during kneading or the like.

In the color composition for an image recording containing a pigment and a resin, the following azo lake pigment composition is used as the pigment. The pigment composition is obtained in the process of making a lake compound of calcium after or during coupling a diazonium salt of p- toluidine-m-sulfonic acid and β-oxynaphthoeic acid to synthesize C.I.Pigment Red 57:1, and by substituting an aromatic amine having a soluble group such as 1-amino-4-chloro-5-methylbenzene-2-sulfonic acid or the like for a part of the p-toluidine-m-sulfonic acid.

Inventors:

TERADA TOSHITAKA
OGUSU KATSUMI
AOKI KAZUTAKA
TAKAMI HISANORI

Application Number:

JP2002038673A

Publication Date:

August 27, 2003

Filing Date:

February 15, 2002

Export Citation:

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Assignee:

DAINICHISEIKA COLOR CHEM

International Classes:

B41J2/01; B41M5/00; B41M5/30; B41M5/385; B41M5/39; C09B63/00; C09D5/00; C09D11/00; C09D11/322; G03G9/09; (IPC1-7): G03G9/09; B41J2/01; B41M5/00; B41M5/30; C09D11/00

Attorney, Agent or Firm:

Katsuhiro Yoshida (2 outside)

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