Abstract
In order to smoothly jet from the nozzle, UV inkjet ink need to meet certain performance requirements, the surface tension of ink has certain effect on the formation and the flight path of ink droplet, directly affect the final printing quality. The black UV inkjet ink samples were prepared by selecting 5 kinds of surfactants, the surface tension was tested. The effect of the surface tension on ink droplet status and final line printing quality were studied. The results show that the surface tension of ink is different, the ink droplet status is different; the surface tension of ink have certain effect on the line width and density of lines, and have little impact on the roughness and contrast of lines.
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