DECOLORIZABLE OR DISCOLORABLE INK COMPOSITION

摘要

PURPOSE: To reduce the secular change of the handwriting density as much as possible in an ink composition capable of being subjected to decoloration or discoloration applying the development performance and decoloration performance of a leuco dye.;CONSTITUTION: Provided is a decolorizable or discolorable ink composition at least comprising: coloring components at least consisting of a leuco dye and a developer; a microcapsule including a decolorizer; water; and sugar and/or sugar alcohol.;SELECTED DRAWING: None;COPYRIGHT: (C)2017,JPO&INPIT