INK COMPOSITION FOR PLASMA TREATMENT DETECTION AND PLASMA TREATMENT DETECTION INDICATOR

摘要

PROBLEM TO BE SOLVED: To provide a plasma treatment detection indicator which can confirm completion of the plasma treatment by a change in color of a color-changing layer irrespective of whether the plasma is vacuum plasma or atmospheric pressure plasma, and irrespective a degree of plasma intensity, and to provide an ink composition for plasma treatment detection to form the color-changing layer.SOLUTION: Provided is an ink composition for plasma treatment detection comprising a leuco dye.SELECTED DRAWING: None