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Black ink composition, ink cartridge including the ink composition and ink jet recording apparatus including the ink cartridge

A composition and ink technology, applied in ink, printing, household utensils, etc., can solve the problems of reducing printing speed and consuming ink, and achieve the effect of excellent light fastness

Inactive Publication Date: 2008-01-02
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the printer maintenance process consumes ink and reduces printing speed
Therefore, printer maintenance procedures should not be performed frequently

Method used

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  • Black ink composition, ink cartridge including the ink composition and ink jet recording apparatus including the ink cartridge
  • Black ink composition, ink cartridge including the ink composition and ink jet recording apparatus including the ink cartridge
  • Black ink composition, ink cartridge including the ink composition and ink jet recording apparatus including the ink cartridge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] C.I. Acid Black 194 4.5wt%

[0068] C.I. Acid Blue 9 0.4wt%

[0069] C.I. Reactive Red 23 0.6wt%

[0070] Glycerin 10wt%

[0071] Diethylene glycol 8wt%

[0072] Nonionic surfactant 1.5wt% (product: Surfynol440, Air ProductsCorporation)

[0073] Water (deionized water) balance

Embodiment 2

[0075] C.I. Reactive Black 8 4.3wt%

[0076] C.I. Direct Red 75 0.6wt%

[0077] Glycerin 9wt%

[0078] Diethylene glycol 6wt%

[0079] Ethylene glycol 2wt%

[0080] Nonionic surfactant 0.8wt% (product: Tween20, Aldrich Corporation)

[0081] Water (deionized water) balance

Embodiment 3

[0083] C.I. Reactive Black 31 4.2wt%

[0084] C.I. Direct Blue 86 0.7wt%

[0085] Diethylene glycol 9wt%

[0086] Ethylene glycol 7wt%

[0087] Nonionic surfactant 0.9wt% (product: Surfynol465, Air ProductsCorporation)

[0088] Water (deionized water) balance

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Abstract

A black ink composition includes a mixture of an azo metal complex dye having a good light fastness and water fastness and an adjective dye. The ink composition has a neutral black gradation, a high optical density and a good decap performance at a print head of an inkjet printer while printing. An inkjet cartridge for inkjet printing includes the black ink composition, and a recording apparatus for inkjet printing including the ink cartridge are also provided.

Description

[0001] This application claims priority under 35 U.S.C. §119(a) to Korean Patent Application No. 10-2006-0058074 filed in the Korean Intellectual Property Office on June 27, 2006, the disclosure of which is incorporated in its entirety as refer to. technical field [0002] The present invention relates to a black ink composition, an ink cartridge containing the ink composition, and an inkjet recording device including the ink cartridge. More particularly, the present invention relates to a black ink composition comprising a mixture of azo metal complex dyes having excellent light fastness and water fastness. The present invention also relates to an indirect dye with neutral black gradation, high optical density and good decap performance under the printhead when printed. The present invention further relates to an ink cartridge containing the ink composition and an inkjet recording apparatus including the ink cartridge. Background technique [0003] Various inks such as in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/02C09D17/00B41J2/01
CPCC09D11/328C09D11/32B41J2/01
Inventor 咸喆柳承旼朴孝根
Owner SAMSUNG ELECTRONICS CO LTD
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