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    • 9. 发明申请
    • Ink composition and ink cartridge including the ink composition
    • 包括油墨组合物的油墨组合物和墨盒
    • US20070289487A1
    • 2007-12-20
    • US11701388
    • 2007-02-02
    • Cheol HamSeung-min Ryu
    • Cheol HamSeung-min Ryu
    • C09D11/00
    • C09D11/38C09D11/322
    • An ink composition comprising a colorant, a solvent, a surfactant, and a defoaming agent is provided. The defoaming agent has a structure of Formula R1—X—(CH2CH2O)m-(CH CH3CH2O)n-R2 (I), in which, X is selected from the group consisting of COO, O, S, R3—N and R4(R5)—C; R1, R2, R3, R4, and R5 are each independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group and a substituted or unsubstituted aralkyl group; m is an integer from 0 to 100; and n is a natural number from 1 to 100. The ink composition according to the exemplary embodiment exhibits low foaming properties in order to flow smoothly and has a good initial discharge capacity and less ink bleeding so that it is possible to achieve a high print quality during printing, and an ink cartridge including the same.
    • 提供了包含着色剂,溶剂,表面活性剂和消泡剂的油墨组合物。 消泡剂具有式R 1 -X-(CH 2 CH 2 CH 2)m - (CH 3)3的结构 其中,X选自COO,O,S,R 3,R 1,R 2, -N和R 4(R 5)-C; R 1,R 2,R 3,R 4和R 5, 各自独立地选自氢原子,取代或未取代的烷基,取代或未取代的环烷基,取代或未取代的烯基,取代或未取代的芳基和取代或未取代的芳烷基; m为0〜100的整数; n为1〜100的自然数。根据本实施方式的油墨组合物,为了顺利流动而具有低发泡性,具有良好的初期放电容量和较少的油墨渗出,可以实现高的印刷品质 以及包括该墨盒的墨盒。