Title:
INK COMPOSITION, INK-JET RECORDING METHOD AND RECORDING APPARATUS BY USING THIS INK COMPOSITION
Document Type and Number:
Japanese Patent JP2003096355
Kind Code:
A
Abstract:
To provide an ink jet-printing ink composition which permits the high graceful image quality as that of a laser printer and permits stable setting with no clogging in a nozzle in spite of using a penetration-type ink composition, and to provide an ink jet-recording method.
The penetration-type high viscous ink composition has a pigment concentration of 6 wt.% or higher and contains a penetrant having a solubility in water at 25°C of from 0.1 wt.% to not more than 4.5 wt.% and also has an ink composition viscosity of 8 cPs or more (25°C).
Inventors:
ARITA HITOSHI
NAGAI KIYOFUMI
NAGAI KIYOFUMI
Application Number:
JP2001290051A
Publication Date:
April 03, 2003
Filing Date:
September 21, 2001
Export Citation:
Assignee:
RICOH KK
International Classes:
B41J2/01; B41M5/00; C09D11/00; C09D11/322; C09D11/324; C09D11/326; C09D11/38; (IPC1-7): C09D11/00; B41J2/01; B41M5/00
Domestic Patent References:
| JP2001254037A | 2001-09-18 | |||
| JP2001254036A | 2001-09-18 | |||
| JP2003096345A | 2003-04-03 |
Attorney, Agent or Firm:
Toshiaki Ikeura