| 摘要 |
[Problem] To provide: an indicator for detecting plasma treatment, said indicator including a color-changing layer that has improved heat resistance so as not to change color even if excessively heated up to 170°C as a result of a plasma generating gas not being supplied or being insufficient due to a defect in a plasma treatment device; and an ink composition for detecting plasma treatment, said composition forming the discoloration layer. [Solution] An ink composition for detecting plasma treatment, said ink composition including a colorant and a binder resin and being characterized by the inclusion of a phenol resin as the binder resin; and an indicator for detecting plasma treatment, said indicator using the ink composition. |
