Research Article

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

Figure 8

The effects of solvents on the surface carboxyl content (reaction conditions: mPVP:mSt = 0.20; mAMBN:mSt = 0.02; St wt% = 20%; the first-step reaction time = 1 h).