These pigments can be mixed with an acrylic base or screen printing ink.At room temperature the pigment appears in its original color, but at temperatures between 27Â° and 30Â°C (80Â° to 86Â°F) this color disappears, eg, if a black pigment is applied to a white surface, the surface turns from black to white at the change-over temperature.
According to TEP: Most thermochromic materials are based on liquid crystal technology.
At specific temperatures the liquid crystals re-orientate to produce an apparent change of colour.
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Heat reactive materials change state, shape and/or color when exposed to temperatures above ambient. In this post I’ll go over thermochromic pigments and a few materials they have been incorporated into, namely paint, fabric, film and glass.
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