Table 2. Number of Silanol Groups and the Calculated and Experimental Values of APS Grafting Density at Three Reaction Temperatures.

reaction temperature			TGA mass loss (%)
150 °C	2.56 ± 0.07	0.85 ± 0.02	5.2 ± 0.8	0.97 ± 0.03	2.92 ± 0.09a
200 °C	1.79 ± 0.03	0.59 ± 0.01	3.6 ± 0.2	0.51 ± 0.02	1.54 ± 0.06
250 °C	1.05 ± 0.03	0.35 ± 0.01	3.8 ± 0.3	0.52 ± 0.02	1.57 ± 0.06

^aSince saturation was not achieved at 150 °C, the maximum achieved GD (10 min pulse time) is reported here.