Functionalization of Silica Nanoparticles for Polypropylene Nanocomposite Applications

Table 1

Silica nanospheres diameter and specific surface.

Sample	Molar ratio NH3/TEOS	TEM diameter (nm)	BET surface (m^2/g)
NS20	0.03	22 ± 4.3	287 ± 0.7
NS100	0.35	113 ± 13.5	41.7 ± 0.2