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Title:
PIGMENT, INK COMPOSITION CONTAINING THE SAME, INK-JET INK COMPOSITION AND METHOD FOR INK-JET RECORDING
Document Type and Number:
Japanese Patent JP2008024910
Kind Code:
A
Abstract:

To provide a pigment for color correction excellent in coloring, fixing, fastness and black tone.

The pigment is represented by the general formula (I) satisfying one or both of the conditions. Condition 1: R1 and R1' are H, an ionic hydrophilic group and a substituent having no OH group. Condition 2: the absolute value of the difference between max (DMF) and max (water) is 50 nm or less. In the formula, Ar1 and Ar1' each represents a univalent aromatic hydrocarbon ring, Ar2, Ar2', Ar3 and Ar3' each represents a bivalent aromatic carbon ring joining group, wherein at least one of Ar1 to Ar3 and Ar1' to Ar3' represents a naphthalene ring. A represents a substituent shown by the general formulae (II) to (IV) or a bivalent or over joining group shown by the general formula (V), R1, R1', R2 and R3 represent a hydrogen atom or a substituent, Q represents a bivalent or over joining group and q represents an integer of 2 or more.


Inventors:
GOTO RYOJI
TATEISHI KEIICHI
Application Number:
JP2006305902A
Publication Date:
February 07, 2008
Filing Date:
November 10, 2006
Export Citation:
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Assignee:
FUJIFILM CORP
International Classes:
C09B43/16; B41J2/01; B41M5/00; C09D11/00; C09D11/30
Domestic Patent References:
JPS54122332A1979-09-21
JPH07173422A1995-07-11
JPS5837056A1983-03-04
JPS61213268A1986-09-22
JPS6315856A1988-01-22
Attorney, Agent or Firm:
Takeshi Takamatsu
Kiyozumi Yazawa