Effect of Oxygen and Initiator Solubility on Admicellar Polymerization of Styrene on Silica Surfaces

Table 2

Polymer weight loss of modified silica (in terms of apparent monomer conversion %) and weight-averaged molecular weight (, g/mol) and polydispersibility (PDI) of extracted polymer for deoxygenated admicellar polymerizations initiated by AIBN and V-501.

M/I molar ratios	AIBN			V-501
	Apparent conversion (%)	(g/mol)	PDI	Apparent conversion (%)	(g/mol)	PDI
15	91	3.7 × 10^5	2.1	92	8.0 × 10^5	1.5
150	88	8.5 × 10^5	1.6	86	1.2 × 10^6	1.4
1000	80	1.8 × 10^6	1.2	82	1.9 × 10^6	1.2