CHARACTERISATION OF A THERMOCHROME COMPOUND FOR A TEMPERATURE INDICATOR

• Main Authors: JOUTANG, Isabelle, TURGIS, Raphaël, LE BRIS, Stephanie
• Format: Patent
• Language: English; French; German
• Published: 29.03.2023
• Subjects: ADHESIVES; APPARATUS FOR MAKING BEVERAGES; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; CHEMISTRY; COFFEE MILLS; COMPOSITIONS BASED THEREON; DOMESTIC ARTICLES OR APPLIANCES; DYES; FURNITURE; HAIRDRESSING OR SHAVING EQUIPMENT; HAND OR TRAVELLING ARTICLES; HUMAN NECESSITIES; KITCHEN EQUIPMENT; MANICURING OR OTHER COSMETIC TREATMENT; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PERFORMING OPERATIONS; POLISHES; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; SPICE MILLS; SPRAYING OR ATOMISING IN GENERAL; SUCTION CLEANERS IN GENERAL; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The present invention relates to a coating of the surface of an electrical household appliance comprising a decoration (a) comprising a pigmentary compound B1VO4 having a ΔE* in the coating greater than or equal to 11 between ambient temperature and 150° C., ΔE* being defined by the formula CIE1976 in the CIELAB colour space: Formula (I): L1*, a1* and b1* characterising the values L*a*b* of said compound at ambient temperature; L2*, a2* and b2* characterising the values L*a*b* of said compound at 150° C.