Title:
インク組成物、インクジェット記録方法及び着色体
Document Type and Number:
Japanese Patent JP5663575
Kind Code:
B2
Abstract:
Disclosed is an aqueous black ink composition which enables the formation of an excellent black recorded image having extremely high ozone gas resistance and a neutral and achromatic color. The ink composition comprises: a dye (I) which comprises at least one compound represented by specific formula (1) or at least one tautomer or salt of the compound; a dye (II) which comprises at least one compound represented by specific formula (3) or at least one tautomer or salt of the compound; and a dye (III) which comprises at least one compound represented by specific formula (4) or at least one tautomer or salt of the compound. In formula (1), R 1 and R 2 independently represent a hydrogen atom, a sulfo group or the like; R 3 and R 4 independently represent a halogen atom, a sulfo group or the like; and n represents 0 or 1. In formula (3), m represents 0 or 1; R 101 to R 103 independently represent a hydrogen atom, a sulfo group or a C1-C4 alkoxy group; and a group D represents a phenyl or naphthyl group substituted by 1 to 3 slfo group. In formula (4), R 201 to R2 04 independently represent a hydrogen atom, or a C1-C4 alkoxy group substituted by a slufo group.
Inventors:
川口 彬
松井 貴彦
吉本 隆志
大島 賢司
松井 貴彦
吉本 隆志
大島 賢司
Application Number:
JP2012522597A
Publication Date:
February 04, 2015
Filing Date:
June 24, 2011
Export Citation:
Assignee:
日本化薬株式会社
International Classes:
C09D11/00; B41J2/01; B41M5/00; B41M5/50; B41M5/52; C09B31/28; C09B35/58; C09B43/16; C09D11/328
Domestic Patent References:
| JP2009040861A | 2009-02-26 | |||
| JP2009084346A | 2009-04-23 |
Foreign References:
| WO2007077931A1 | 2007-07-12 | |||
| WO2005097912A1 | 2005-10-20 | |||
| WO2011043184A1 | 2011-04-14 |
Attorney, Agent or Firm:
Right wood Masayuki