Question

1. Thermochromism can be put to work in a variety of practical settings, for instance in reversible read-write-erase recording media (when you write to a CD* and then erase and rewrite to it). Find another practical application of thermochromism, or invent one of your own.

Answer 1

Apart from the use mentioned,thermochromic materials are used in different other uses such as-

• In Textile Industries-Here the thermochromic organic colorants has been increasingly the area of interest for producing novel coloration effects in Textiles.
• In Rooftop to keep the temperature balanced- the thermochromic coatings are used on the Building Rooftops and pavements as thermochromic pigments into proper binders.The pigments are colored in cold state and they become white above the transition temperature(ususally set up at 30 degree C).These pigments provide a dynamic variable performance acting as coolants in the summer and absorbants in the winter.