The invention relates to the technical field of
heat transfer printing ink, and discloses a
heat transfer printing technology-based temperature-variable color formula which comprises the following components in percentage by
mass: 30%-40% of a
thermoplastic polymer carrier, 5%-10% of a temperature-sensitive color-variable
pigment, 1%-3% of a dispersing agent, 5%-8% of a connecting material, 0%-5% of an
ultraviolet light absorber and the balance of a
solvent, the invention further discloses a printing technology of the temperature-variable color formula based on the
heat transfer printing technology. The printing technology comprises the following steps that S1, the temperature-sensing color-variable ink is printed on
transfer printing paper through
digital printing equipment. By adopting the
liquid crystal microcapsule
pigment, the
thermoplastic polymer carrier with narrow molecular
weight distribution, the efficient dispersant and the improved preparation process, accurate color change, smooth transition and excellent
aging resistance of the ink in a specific temperature range are realized, and meanwhile, the light stability, the storage stability and the definition of a printed pattern are improved; the method is suitable for multiple indoor and outdoor scenes, and meets the high-quality requirements of personalized customization of commodities.