MOISTURE AND THERMAL DISCOLORING COMPOSITION AND MOISTURE AND THERMAL DISCOLORING INDICATOR

• Main Author: OSHIRO SEISAKU
• Format: Patent
• Language: English
• Published: 09.08.2012
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COLOUR PRINTING; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; LINING MACHINES; MEASURING; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; PHYSICS; POLISHES; PRINTING; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; STAMPS; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR; TRANSPORTING; TYPEWRITERS; USE OF MATERIALS THEREFOR; WOODSTAINS

PROBLEM TO BE SOLVED: To provide a moisture and thermal discoloring composition and a moisture and thermal discoloring indicator which eliminate the need for pulverization of a bismuth compound in preparing a discoloring composition and improve the problem of the bismuth compound settling over time.SOLUTION: A moisture and thermal discoloring composition contains a bismuth compound, a sulfur compound, a binder and an organic solvent, in which the bismuth compound is an organic bismuth compound of an organic solvent soluble type.