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Coloring composition for ink jet, color filter and liquid crystal display device

A coloring composition and inkjet technology, applied in the application, instrument, ink and other directions, can solve the problem that the coloring composition for inkjet has not been developed, and achieve the effect of high contrast and excellent solvent resistance

Inactive Publication Date: 2011-05-04
JSR CORPORATIOON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a coloring composition for inkjet that has comprehensively excellent performance including heat resistance of pixels, solvent resistance, etc. has not yet been developed.

Method used

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  • Coloring composition for ink jet, color filter and liquid crystal display device
  • Coloring composition for ink jet, color filter and liquid crystal display device
  • Coloring composition for ink jet, color filter and liquid crystal display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0144] Hereinafter, an Example is given and the embodiment of this invention is demonstrated more concretely. However, the present invention is not limited to the following examples.

[0145] Preparation of colorant dispersion

preparation example 1

[0147] 13.0 parts by mass of C.I. Pigment Red 254 as a colorant (A), 7.5 parts by mass of Adisper PB880 (manufactured by Ajinomoto Fine Chemicals Co., Ltd.) as a dispersant, and 79.5 parts by mass of 1 as a (D) solvent, 3-Butanediol diacetate was processed by a bead mill to prepare a colorant dispersion (R1).

preparation example 2

[0149] A mixture of 13.0 parts by mass of C.I. Pigment Red 254 / C.I. Pigment Red 177 / the guest represented by the above formula (II) being melamine = 25 / 47 / 28 (mass ratio) as the colorant, 7.5 parts by mass of Adisper PB880 (manufactured by Ajinomoto Fine Chemicals Co., Ltd.) as a dispersant and 79.5 parts by mass of 1,3-butanediol diacetate as a solvent (D) were processed by a bead mill to prepare Colorant Dispersion (R2).

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Abstract

The present invention relates to a coloring composition for ink jet, a color filter and a liquid crystal display device. The coloring composition which can form the pixel with all excellent performances such as high flatness, high heat resistance and high solvent resistance and is used for an ink jet mode is provided. The coloring composition for ink jet comprises the following components: (A) a colorant, (B) a crosslinker, (C) an adhesive resin and (D) a solvent. The invention is characterized in that: the crosslinker (B) comprises (b1) a multifunctional (methyl) acrylic ester with a carboxyl, and (b2) a compound with more than two N-alkoxy-methylamino groups, wherein the proportion of the (b2) in all crosslinker is 10-90wt%.

Description

technical field [0001] The present invention relates to a coloring composition, a color filter having a coloring pattern formed from the coloring composition by inkjet, and a liquid crystal display device equipped with the color filter, wherein the coloring composition is used for inkjet Method The coloring composition of the coloring pattern of the color filter used for a color liquid crystal display element, a color pick-up tube element, an organic EL display element, electronic paper, etc. is manufactured. Background technique [0002] As a method of producing a color filter used in a color liquid crystal display device (LCD) or the like, a method of obtaining pixels of each color by an inkjet method using a colored resin composition is known (Patent Documents 1 and 2). [0003] Various studies have been conducted on coloring compositions used for forming pixels by the inkjet method from the viewpoint of discharge stability, storage stability, and flatness of formed pixel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/10G02B5/20G02F1/1335B41M5/00C09B67/20C09B67/46C09D11/00C09D11/322C09D11/38G02B5/22
CPCC08K5/35C09D11/10C09D11/322G02B5/20G02F1/13
Inventor 成濑真吾山口紫和田夏子成濑秀则
Owner JSR CORPORATIOON