Abstract
In order to research and control the surface tension of the water-based ink-jet ink, and ensure the printing quality of the ink, water-based ink samples with different surface tension are prepared and the roundness, volume, speed and the tail length of the drop are measured in order to analyze the influence of surface tension to drop state. The influence of the main components to the surface tension is discussed through testing the surface tension of the water-based ink-jet ink which has different components. The result shows that the surface tension of the water-based ink-jet ink has big influence to the drop state, so the suitable surface tension is the key to guarantee the printing quality. And the kind of the resins influence the surface tension, the influence of adding different kinds and levels of surfactants to surface tension is different.
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