Development of a Stable TiO₂ Nanocomposite Self-Cleaning Coating for Outdoor Applications

Table 1

Contact angle hysteresis of the prepared coatings.

Time (h)	Tw (CAH)	pH = 2 (CAH)	pH = 4 (CAH)	pH = 12 (CAH)
0	1	3	1.1	2
922	2	3.7	12.7	9.3