The
reaction can be disrupted by several external influences such as
high exposure to UV light, presence of polar solvents, very high
temperatures or excessive shear.
Due
to their chemical and physical properties the visible colour change
of ChromaZone pigments occurs over a temperature range of approximately
5ºC and additionally shows a thermal hysteresis. This means
that the colour starts disappearing before reaching the relevant
response temperature and at the ensuing temperature decrease requires
a significantly lower temperature to regain full colour strength.
Graphic 2 shows the effect
The |
