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发明授权
US07294184B2 Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus 有权
喷墨油墨，喷墨记录方法，墨盒，记录单元和喷墨记录装置

Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus
摘要：
Provided is an ink jet ink containing a coloring material having a buffer region in an ink use range, the ink jet ink being capable of suppressing the occurrence of the deterioration (dissolution) of a heating portion surface in contact with liquid; and the disconnection of wiring for applying a voltage to a heating portion even when long term continuous printing is performed. The ink jet ink is used for an ink jet recording apparatus equipped with a recording head having a heating portion surface in contact with liquid comprising a metal and/or a metal oxide. The ink jet ink contains a coloring material in a content (mass %) of 3 mass % or more with respect to the total mass of the ink jet ink. The coloring material is a colorant having a buffer region in an ink use range, and comprises a compound represented by the following general formula (I) and/or a compound represented by the following general formula (II) H(OCH2CH2)pR5.   General formula (II)
摘要（中）：

本发明提供一种喷墨油墨，其含有在油墨使用范围内具有缓冲区域的着色材料，所述喷墨油墨能够抑制与液体接触的加热部分表面的劣化（溶解）的发生; 以及即使在进行长期连续打印时也将用于施加电压的布线断开。 喷墨油墨用于配备有具有与包含金属和/或金属氧化物的液体接触的加热部分表面的记录头的喷墨记录装置。 喷墨油墨含有相对于喷墨油墨的总质量为3质量％以上的着色材料。 着色材料是具有油墨使用范围内的缓冲区域的着色剂，并且包含由以下通式（I）表示的化合物和/或由以下通式（II）表示的化合物<？在线式 description =“In-line Formulas”end =“lead”？> H（OCH 2 CH 2 CH 2）p / SUB>。 通用公式（II）<？in-line-formula description =“In-line Formulas”end =“tail”？>

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