Ink Composition for Inkjet Printing

a technology inkjet printing, which is applied in the field of pigment ink composition for inkjet printing, can solve the problems of poor printing quality and unsatisfactory color development of prints obtained by using such pigment ink compositions, and achieve the effect of excellent color developmen

Inactive Publication Date: 2008-04-24
DAI NIPPON TORYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0003] The present invention has been conceived in order to solve the aforementioned problems, and an object of the present invention is to provide an ink composition for ink-jet printing which does not cause cloggi

Problems solved by technology

When prints are produced through printing by means of a ink-jet printer employing such a pigment ink composition, in some cases, nozzles of the printer are clogged, t

Method used

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Examples

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examples

[0026] The present invention will next be described in more detail by way of Examples and Comparative Examples.

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Abstract

The invention provides an ink composition for ink-jet printing which does not cause clogging of nozzles of an ink-jet printer during printing, to thereby provide a print of desired printing quality; which ensures an appropriate drying rate of printed images; and which attains excellent color development. The ink composition for ink-jet printing, containing a pigment, a binder resin, a pigment dispersant, and a solvent, wherein the solvent is formed of (1) at least one glycol ether and at least one of a lactone compound and 2-pyrrolidone, or (2) at least one glycol ether acetate and at least one of cyclohexane and isophorone.

Description

TECHNICAL FIELD [0001] The present invention relates to an ink composition for ink-jet printing and, more particularly, to an ink composition for ink-jet printing which does not cause clogging of nozzles of an ink-jet printer during printing, to thereby provide a print of desired printing quality; which ensures an appropriate drying rate of printed images; and which attains excellent color development. BACKGROUND ART [0002] Hitherto, various pigment ink compositions for ink-jet printing employing a variety of solvents have been proposed. When prints are produced through printing by means of a ink-jet printer employing such a pigment ink composition, in some cases, nozzles of the printer are clogged, thereby providing prints of poor printing quality. In addition, color development of prints obtained by use of such a pigment ink composition is not always satisfactory.DISCLOSURE OF THE INVENTION [0003] The present invention has been conceived in order to solve the aforementioned proble...

Claims

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Application Information

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IPC IPC(8): C08K5/34
CPCC09D11/30C09D11/38
Inventor SHIOTANI, TOSHIHIKO
Owner DAI NIPPON TORYO CO LTD
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