UV-LED Inkjet ink has fast response, energy efficient, high environmental protection and other advantages, and it is a highly promising environmentally friendly ink. Monomer is an important component of UV-LED Inkjet ink, it has a certain impact on performance of the ink In order to investigate the effects of monomer on the printing quality of UV-LED Inkjet ink, seven kinds of monomers were chosen to prepare ink samples, and dispersion, viscosity and surface tension of each ink was tested. Then Inkjet printer was used to print each ink, and the line width, density, fuzziness, roughness and contrast of printing sheets were tested to analyze the effect of monomer on ink printing quality. The results show that inks prepared by different monomers have different performance and it has obvious impacts on the printing quality.
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