INK FOR INKJET RECORDING, INK SET FOR INKJET RECORDING AND INKJET RECORDING METHOD

Title:

INK FOR INKJET RECORDING, INK SET FOR INKJET RECORDING AND INKJET RECORDING METHOD

Document Type and Number:

WIPO Patent Application WO/2003/062330

Kind Code:

A1

Abstract:

It is intended to provide a magenta ink for inkjet recording having an excellent weatherability. In addition, it is intended to provide a magenta ink for inkjet recording which desirably has a color hue established as a magenta ink and a high discharge stability and is free from any problems in waterproofness and printing qualities. An ink for inkjet printing wherein a magenta dye selected from among azo dyes is dissolved or dispersed in an aqueous medium, characterized in that the magenta dye has an absorption peak in the spectral region of from 500 to 580 nm and an oxidation potential nobler than 1.0V (vsSCE). In particular, the above objects can be achieved by the ink for inkjet printing as described above wherein the azo dye has a specific structure having a 5-membered heterocycle and a 4-amino-6-membered heterocycle attached to the azo group.

More Like This:

WO/2016/005727	PRINTING PROCESS
WO/2008/075765	WATER-BASED INKS FOR INK- JET PRINTING
JP3601762	Fluorescent pigment composition

Inventors:

TAGUCHI TOSHIKI (JP)
OGAWA MANABU (JP)
OZAWA TAKASHI (JP)

Application Number:

PCT/JP2003/000604

Publication Date:

July 31, 2003

Filing Date:

January 23, 2003

Export Citation:

Click for automatic bibliography generation Help

Assignee:

FUJI PHOTO FILM CO LTD (JP)
TAGUCHI TOSHIKI (JP)
OGAWA MANABU (JP)
OZAWA TAKASHI (JP)

International Classes:

C09D11/00; C09D11/322; C09D11/328; (IPC1-7): C09D11/00; B41J2/01; B41M5/00

Domestic Patent References:

WO1996034916A2

1996-11-07

Foreign References:

EP0020161A2

1980-12-10

Other References: