SOLID WRITING BODY, AND SOLID WRITING BODY SET USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a solid writing body excellent in moldability, dimensional stability, machinability strength and impact resistance.;SOLUTION: Provided is a solid writing body set composed of: a solid writing body 1 containing: an inner core 2 including a reversible thermochromic microcapsule pigment involving a temperature-sensitive discoloration resistant hue memory composition consisting of (A) an electron donative coloration organic compound, (B) an electron receptive compound and (C) a reactive medium reversibly causing electron donating/receiving reaction by the (A) and (B) components in a specified temperature range, and the first excipient; and an outer shell 3 including the second excipient and an organic filler and covering the outer circumferential face of the inner core 2; and a frictional body.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2017,JPO&INPIT