Synthesis of Controllable Carboxylated Polystyrene Microspheres by Two-Step Dispersion Polymerization with Hydrocarbon Alcohols

Table 3

Synthesis experiments conditons in investigation of the effect of solvent on carboxyl content of the surface.

	Solvent	mPVP:mSt	mAMBN:mS	St wt%	Reaction time of the first step	AA wt%
1	Methanol	0.20	0.02	20%	1 h	7%
2	Ethanol	0.20	0.02	20%	1 h	7%
3	Propanol	0.20	0.02	20%	1 h	7%
4	Butanol	0.20	0.02	20%	1 h	7%
5	Pentanol	0.20	0.02	20%	1 h	7%