Heat sensitive ink sheet and image forming method

摘要

Disclosed is a heat sensitive ink sheet having a support sheet and a heat sensitive ink layer having a thickness of 0.2 to 1.0 mu m which is formed of a heat sensitive ink material comprising 30 to 70 weight % of colored pigment, 25 to 65 weight % of amorphous organic polymer having a softening point of 40 to 150 DEG C and 0.1 to 20 weight % of nitrogen-containing compound. Further, thermal transfer recording methods by area gradation using the heat sensitive ink sheet and an image receiving sheet are also disclosed.