This kind of printing is called thermochromic printing, which changes the color of the pattern on the textile with the change of temperature and produces a unique dynamic change effect. It can also be called textile latent printing, that is, it makes the color of the pattern on the textile change with the changes of the surrounding environment temperature, the dryness and wetness of the fabric, etc. , and make the color of the pattern change in a flashing way.
At present, thermochromic pigments are used in thermochromic printing on textiles, that is, thermochromic organic dyes are processed into microcapsules and printed on fabrics by pigment printing. Thermochromic organic dyes are composed of leuco dyes, color developers and desiccants (desensitizers).