Irreversible temperature-sensitive sticker and temperature-sensitive color-changing ink

• Main Authors: CHEN JIAQING, SHI YAYUAN, LIU CHUNHUA, MIAO JIANKUN, ZHU HONGFEI, ZHU HONGLI, ZHANG SHAOBING
• Format: Patent
• Language: Chinese; English
• Published: 15.01.2021
• Subjects: ADHESIVES; ADVERTISING; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; CRYPTOGRAPHY; DISPLAY; DISPLAYING; DYES; EDUCATION; FILLING PASTES; INKS; LABELS OR NAME-PLATES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PHYSICS; POLISHES; SEALS; SIGNS; USE OF MATERIALS THEREFOR; WOODSTAINS

The invention relates to an irreversible temperature-sensitive sticker, which comprises a substrate layer, a temperature-sensitive layer, a color developing layer, a protective layer and an isolatinglayer, wherein the edge of the substrate layer is partially or completely connected with the edge of the protective layer, the temperature-sensitive layer is arranged on the inner side of the substrate layer, temperature-sensitive color-changing ink is adsorbed in the temperature-sensitive layer, the color developing layer is arranged on the inner side of the protective layer, the color developinglayer is made of an adsorption material, the temperature-sensitive layer and the color developing layer are partially overlapped, and the isolation layer is arranged between the substrate layer and the protective layer. The irreversible temperature-sensitive sticker and the temperature-sensitive color-changing ink provided by the invention have the advantages of high sensitivity, strong stabilityand simple device preparat