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Water base ink for ink-jet recording and method for preparing water base ink for ink-jet recording
Water base ink for ink-jet recording and method for preparing water base ink for ink-jet recording
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机译:喷墨记录用水基油墨和制备喷墨记录用水基油墨的方法
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摘要
A water base ink for ink-jet recording is provided, which is excellent in time-dependent stability of ink characteristics, which can be stably jetted over a long period of time, and which makes it possible to perform the high quality recording. The water base ink for ink-jet recording contains a self-dispersing type water-insoluble particulate coloring agent, a compound represented by the following formula (1), a surfactant having a nitrogen atom in a molecule, water, and a water-soluble organic solvent, wherein a surface tension is 30 to 50 mN/m, and a ratio of change of the surface tension after storage at 60° C. for 2 weeks is less than 5%: ;wherein R1 represents an alkyl group and x is 20 to 30 in the formula (1).
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机译:提供了一种用于喷墨记录的水基油墨,其具有优异的随时间变化的油墨特性稳定性,可以长期稳定地喷射,并且可以进行高质量的记录。喷墨记录用水基油墨包含自分散型水不溶性颗粒着色剂,下式(1)表示的化合物,分子中具有氮原子的表面活性剂,水和水溶性有机溶剂的表面张力为30〜50mN / m,在60℃下保存后的表面张力的变化率为0。 C. 2周以内小于5%:式中,R 1 Sup>表示烷基,式(1)中,x为20〜30。
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