THERMAL-TRANSFER RECORDING MEDIUM AND THERMAL-TRANSFER RECORDING METHOD

摘要

It is an object to provide a thermal-transfer recording medium and its thermal-transfer recording method whereby it is possible to perform good thermal transfer to a durable transfer medium such as plastic film etc., and the transferred image is excellent in resistance to mechanical abrasion, and whereby color reproducibility is excellent when plural colors of thermal transferred inks are printed in layers. A thermal-transfer ink layer is provided which at least presents the visco-elastic characteristics that tan.delta. is of 1 or more and the complex dynamic viscosity falls within 100 to 40,000 Pa's in the viscoelasticity measurement with a frequency of 1 Hz in the linear viscoelastic region of temperature from 100 to 150.degree.C. Alternatively, a thermal- transfer ink layer containing a coloring matter and a thermo-fusing resin is provided on a support, and the thermo-fusing resin presents the visco-elastic characteristics that tan.delta. is of 1.7 or more and the complex dynamic viscosity falls within 10 to 20,000 Pa's in the viscoelasticity measurement with a frequency of 1 Hz in the linear viscoelastic region of temperature from 100 to 150.degree.C.