Colored powdered ink for laser printer and preparation method of colored powdered ink

The invention discloses colored toner for a laser printer and a preparation method thereof in the technical field of printing. The colored toner comprises the following components in parts by weight: 70-90 parts of styrene-acrylic resin, 8-13 parts of a coloring agent, 1-2 parts of a charge control agent, 0.5-1 part of fumed silica and 5-8 parts of a paraffin composite material. According to the paraffin composite material provided by the invention, the lauric acid and the boron nitride-microcrystalline cellulose composite material are added into the paraffin, so that the heat conduction effect of the toner is improved. 本发明公开了印刷技术领域的一种用于激光打印机的彩色墨粉及其制备方法，包括如下重量份的组分：苯丙树脂70-90份、着色剂8-13份、电荷控制剂1-2份、气相二氧化硅0.5-1份、石蜡复合材料5-8份。本发明提出石蜡复合材料，通过在石蜡中加入月桂酸和氮化硼-微晶纤维素复合材料，提高墨粉的导热效果。