particle with a nuclear shell structure, method for making it, thermochromic pigment composition, non-stick coating, culinary article and use of these

摘要

the invention relates to a particle with a nuclear shell structure, the core of which comprises at least one thermochromic semiconductor and the shell comprises at least two layers - an inner layer in contact with the core and comprising a mineral material or a hybrid organomineral material ; and - an outer layer comprising a mineral material or a hybrid organomineral material, different from that of the inner layer. the invention also relates to a method for producing such a particle and the use of it as a temperature indicator, in particular, in a culinary article, such as a baking sheet.