US Patent 7517833 Thermal transfer sheet and protective layer transfer sheet

It is an object of the present invention to provide a sheet having a good transferring property, that is, a thermal transfer sheet which has high transfer sensitivity and good adhesion between a base material and a dye layer, and has high transfer sensitivity, and can be used for high speed printing and attain printed substance having a high density and sharpness, a protective layer transfer sheet which has a good transferring property and produces extremely low static electricity in transferring, and a printed substance which is superior in an antistatic property, plasticizer resistance and transparency.