ERASABLE IMAGE FORMING MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide an erasable image forming material which makes it possible to obtain good yellow color development and to obtain an erasure state of high quality without the occurrence of the defect of erasing by control of a heat history or contact with an erasing solvent and provides the high contrast of the image density in color developing and decoloring.

SOLUTION: The erasable image forming material containing the yellow color developing leuco dyes expressed by formula 1 (where R1 is≥5C alkyl group or aryl group. R2 is a phenyl group or 1-5C alkyl group), color developing agents and a binder resin.

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