| 摘要 |
PURPOSE: Eco-friendly humidity indication ink is provided to enable application to an ink printing method and development of various colors and to allow a user to easily recognize humidity in the atmosphere. CONSTITUTION: Eco-friendly humidity indication ink comprises 70~99.8 wt% of indicator, 0.1~2 wt% of buffer solution, 80~99.7 wt% of humidity indication solution, 0.1~5 wt% of pigment, 0.1~3 wt% of dispersing agent, and 0.1~5 wt% of viscosity preserver. The indicator includes 95~99.5 wt% of C1~4 alcohol solvent and 0.5~5 wt% of indication reagent. The humidity indication solution comprises 0.1~25 wt% of a humidifying agent. |
