| 摘要 |
An ink composition is provided to inhibit bubbling of ink in a cartridge upon driving an ink jet printer, to destroy bubbles rapidly, and to realize improved ink flowability and stable initial ejection characteristics. An ink composition comprises a disilazane compound represented by the following formula 1; a colorant; and a solvent. In formula 1, each of R1-R6 represents H, a substituted or non-substituted C1-C20 alkyl, substituted or non-substituted C1-C20 heteroalkyl, substituted or non-substituted C2-C20 alkenyl, substituted or non-substituted C1-C20 alkoxy, substituted or non-substituted C1-C20 heteroalkoxy, substituted or non-substituted C1-C20 alkylsulfonamide, substituted or non-substituted C6-C20 arylsulfonamide, substituted or non-substituted C1-C20 acylamino, C1-C20 alkylureido, C6-C20 arylureido, C2-C20 alkoxycarbonyl, C2-C20 alkoxycarbonylamino, carbamoyl, sulfamoyl, sulfo or a salt thereof, carboxy or a salt thereof, substituted or non-substituted C1-C20 hydroxyalkyloxylalkyl, substituted or non-substituted C1-C20 dialkylaminoalkyl, substituted or non-substituted C6-C20 pyridylalkyl, substituted or non-substituted C5-C20 pyridyl, substituted or non-substituted imidazolyl, hydrazine, hydrozone, substituted or non-substituted C1-C20 pyridylalkyl, substituted or non-substituted C6-C20 aryl, substituted or non-substituted C6-C20 arylalkyl, substituted or non-substituted C6-C20 heteroaryl, or C6-C20 heteroarylalkyl, substituted or non-substituted C6-C20 heteroaryloxy, substituted or non-substituted C6-C20 heteroarylalkenyl, substituted or non-substituted C3-C20 cycloalkyl, or substituted or non-substituted C3-C20 heterocycloalkyl.
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