| abstract |
PROBLEM TO BE SOLVED: To provide an ink composition for ink jet recording and an ink jet thermal recording method capable of recording an image such as a document in a decolored state and easily developing and visualizing when necessary. Printing on recording paper comprising a solvent containing a colorless or pale colorant precursor, a dispersant, and a wetting agent, the dispersant containing a polyoxyethylene alkylphenyl ether derivative, and a developer applied Thereafter, a reversible heat-sensitive material is formed in which the printed portion is colored and decolored in an image shape by a change in heating temperature. [Selection figure] None |