Invention Grant
US09458339B2 Electron beam-curable inkjet inks and use thereof in inkjet printing methods 有权
电子束固化型喷墨油墨及其在喷墨印刷方法中的应用

Electron beam-curable inkjet inks and use thereof in inkjet printing methods
Abstract:
An inkjet ink which is electron beam curable includes 10 to 40 wt.-% of at least one oligomer based on a total weight of the inkjet ink, 5 to 25 wt.-% of at least one reactive thinner based on the total weight of the inkjet ink, 25 to 84 wt.-% of a solvent mixture comprising at least two solvents based on the total weight of the inkjet ink, and 1 to 15 wt.-% of at least one pigment based on the total weight of the inkjet ink. The at least two solvents have a boiling point of from 50 to 300° C., a dielectricity constant of from 5 to 20, and an evaporation rate of 3 to 5000. The evaporation rate of the at least two solvents differs by a factor of from 2 to 10. The inkjet ink is free from photoinitiators.
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