Preparation method and application of colored microsphere ink for digital ink-jet printing

The invention discloses a preparation method and application of colored microsphere ink for digital ink-jet printing, and belongs to the field of fine chemical engineering. The preparation method of the colored microspheres comprises the following steps: firstly, modifying a traditional disperse dye to prepare a high-solubility polymerizable dye; then, preparing a colored microsphere emulsion through free radical copolymerization; and finally, regulating ink jet parameters to obtain the colored microsphere ink. The colored microsphere ink has the advantages of high dye content, small particle size, good storage stability, excellent dry and wet friction performance and the like. The ink can be adapted to various digital printing devices, breaks the monopoly of foreign ink, and has a good market application prospect. 本发明公开了一种数码喷墨印花用彩色微球墨水的制备方法及应用，属于精细化工领域。彩色微球的制备如下：首先，对传统分散染料改性，制备高溶解度可聚合染料；随后，通过自由基共聚制备成彩色微球乳液；最后，通过调控喷墨参数得到彩色微球墨水。所述的彩色微球墨水具有高染料含量，且粒径小、储存稳定性好、干湿摩擦性能优异等优点。可适配于各种数码印花装备，打破国外墨水的垄断，具有较好的市场应用前景。