| abstract |
The present invention relates to an anti-adhesive coating comprising at least one functional decorative layer, comprising a pigment composition having a reversible variation of optical and/or colorimetric properties when the coating is subjected to a temperature variation between a cold temperature of 0°C to 40°C and a hot temperature of 80°C to 400°C. Also according to the invention, the pigment composition comprises at least one compound of formula Y (3-x) M x Fe (5-γ) Q y O 12 in the form of particles, in which M is selected from the lanthanides, alkaline metals, alkaline-earth metals and metalloids with a degree of oxidation (DO) +3; Q is selected from the group made up of the lanthanides, non-metals with degree of oxidation +4, metals with DO +3 or +4, transition metals with DO +2 or +4, alkaline-earth metals and alkaline metals; and wherein x is between 0 and 0.3 and y is between 0 and 3. |