OPTICAL IMAGE FORMING MATERIAL

摘要

PURPOSE:To enhance stability in the live preservation of an optical image forming material in which a microcapsule containing both a leuco dye capable of coloring through oxidation and a photooxidizer and a coated layer containing a reducing agent are provided on a carrier. CONSTITUTION:Tris(4-dimethylaminophenyl)methane and tris (4-diethyloamino-2- methylphenyl) methane are used together as a leuco dye capable of coloring through oxidation.