COLOR COMPOSITION FOR IMAGE RECORDING AND IMAGE RECORDING AGENT

Japanese Patent JP3670148

B2

PROBLEM TO BE SOLVED: To provide a compsn. for image recording and to provide an image recording agent showing a proper magenta hue and having fastness, sharpness, transparency and negative electrification property.
SOLUTION: In the image recording color compsn. containing pigments and a resin, a dimethyl quinacridone pigment and at least one negative charge or weak positive charge red pigment are used. The image recording agent uses the aforementioned compsn. The 2,9-dimethyl quinacridone used as the pigment component, and the negative charge or weak positive charge red color pigment, namely, a mixture pigment or a solid soln. pigment of 2,9-dimethyl quinacridone pigment and one or more kinds of negative charge or weak positive charge red pigments is extremely excellent as a magenta color pigment of the color compsn. for a full-color image recording. Therefore, the compsn. has excellent fastness such as light resistance, heat resistance, solvent resistance, chemical resistance and water resistance, and has high coloring power, sharpness, saturation, transparency and negative electrification property.

Masayuki Nakano
Kazutaka Aoki
Yukio Kamihara
Takarada Shigeru
Keiji Nakajima
Okura Lab
Michie Nakamura

JP35635098A

July 13, 2005

December 15, 1998

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Dainichi Seika Kogyo Co., Ltd.

G03G9/09; B41M5/00; B41M5/30; B41M5/385; B41M5/39; C09B67/20; C09D11/02; C09D11/033; C09D11/037; C09D11/322; C09D11/52; G03G9/087; G03G9/12; (IPC1-7): G03G9/09; B41M5/00; B41M5/30; C09D11/02; G03G9/087; G03G9/12

JP10097102A
JP10123760A
JP8292610A
JP9272265A
JP10310730A

Katsuhiro Yoshida
Toshieko Kondo

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