A COLOR-CHANGING COMPOSITION AND MATERIAL.

摘要

The present disclosure relates to a color-changing composition and to a substrate having the color-changing compositions disposed thereon. The color- changing composition includes a leuco dye, a color-developer and a desensitizer. The color-changing composition changes from a colorless or largely colorless composition to color upon being wetted with an aqueous liquid. The color-changing composition remains colorless or largely colorless prior to exposure to high relative humidity conditions.