Table 1. “Grafting from” Technique Parameters: Thermal and UV Grafting.

parameters	thermal grafting	UV grafting with activation step	UV direct grafting
NaSS monomer solution	0.7 M	0.7 M	0.7 M
surface activation	ozonation 20 min	ozonation 20 min
source of radicals	heat at 45 °C	UV irradiation at 160 mW/cm2	UV irradiation at 160 mW/cm2
polymerization time	1 and 3 h	1 h	1 h