DECOLORIZABLE COLOR-DEVELOPING PARTICLE, TONER FOR IMAGE FORMATION, INK FOR IMAGE FORMATION, AND METHOD OF MANUFACTURING DECOLORIZABLE COLOR-DEVELOPING PARTICLE

摘要

PROBLEM TO BE SOLVED: To provide color-developing particles having high color-developing and decolorizing performance. SOLUTION: The particles are spherical and contain a coloring compound, a developer and a binder. The particle has: a surface layer part having a composition in which the sum content of the coloring compound and the developer is smaller than the content of the binder; a center part formed near the center inside the surface part and having a composition in which the sum content of the coloring compound and the developer is larger than the content of the binder; and an intermediate part formed between the center part and the surface part, in which the coloring compound, the developer and the binder are mixed. COPYRIGHT: (C)2009,JPO&INPIT