High-definition thermal transfer paper for thermal transfer ribbon and preparation method of high-definition thermal transfer paper

The invention discloses high-definition thermal transfer paper for thermal transfer ribbons and a preparation method of the high-definition thermal transfer paper, and relates to the technical field of thermal transfer coated paper for thermal transfer ribbons. The high-definition thermal transfer paper for the thermal transfer ribbon comprises a paper base layer and a thermal transfer ribbon thermal transfer coating, and paint of the thermal transfer ribbon thermal transfer coating comprises composite filler, an adhesive, a water-retaining agent, a lubricant and a dispersing agent; the composite filler comprises a first filler and a second filler; the oil absorption value of the first filler is not lower than 70, and the D50 particle size is 3-4 microns; the oil absorption value of the second filler is not less than 150, and the D50 particle size is 3-4 microns. Compared with traditional thermal transfer paper, the thermal transfer paper for the thermal transfer ribbon has the advantages that repeated or mul