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Problems solved by technology
Once the ink dries, the viscosity of this ink increases rapidly, causing nozzle clogging as the ink hardens on the nozzle surface of the printhead
Method used
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Examples
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Embodiment 1
[0088] Carbon black (FW18, Degussa) 5 parts by weight
[0089] Glycerin 2 parts by weight
[0090] Diethylene glycol 3 parts by weight
[0091] 3 parts by weight of the compound of formula 2
[0092] Water (DI water) 87 parts by weight
[0093] 0.6 parts by weight of nonionic surfactant (Tween 40, Aldrich)
Embodiment 2
[0095] Carbon black (Raven 5250, Columbian Co.) 5 parts by weight
[0096] Glycerin 3 parts by weight
[0097]Diethylene glycol 2 parts by weight
[0098] Ethylene glycol 2 parts by weight
[0099] 3 parts by weight of the compound of formula 3
[0100] Water (DI water) 85 parts by weight
[0101] 0.6 parts by weight of nonionic surfactant (Tween 40, Aldrich)
Embodiment 3
[0103] Carbon black (Regal 330, Cabot Co.) 5 parts by weight
[0104] Diethylene glycol 3 parts by weight
[0105] Ethylene glycol 4 parts by weight
[0106] 3 parts by weight of the compound of formula 4
[0107] Water (DI water) 85 parts by weight
[0108] 0.6 parts by weight of nonionic surfactant (Tween 40, Aldrich)
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Abstract
The present invention provides an ink composition including a colorant, a solvent, and a disilazane-based compound. An ink cartridge including the ink composition, and an inkjet recording apparatus including the ink cartridge are also provided by the invention. The ink composition can suppress formation of bubbles in the ink cartridge during the printing operation of an inkjet printer, can rapidly remove bubbles once formed, and can demonstrate stability in an initial ejection performance of the ink by activated ink fluidity.
Description
[0001] Cross-references to related patent applications [0002] This application claims the benefit of Korean Patent Application No. 10-2007-0018516 filed in the Korean Intellectual Property Office on February 23, 2007, the disclosure of which is incorporated herein by reference in its entirety. technical field [0003] The present invention relates to an ink composition including a disilazane-based compound, a colorant, and a solvent, an ink cartridge including the ink composition, and an inkjet recording apparatus including the ink cartridge. More specifically, the present invention relates to an ink composition comprising a disilazane-based compound, an ink cartridge comprising the ink composition, and an inkjet recording device comprising the ink cartridge, which ink composition inhibits The formation of air bubbles inside the ink cartridge in the middle, can quickly remove once formed air bubbles, and can exhibit stability in the initial ejection performance of ink by act...
Claims
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Application Information
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Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
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