Research Article
Synthesis of Controllable Carboxylated Polystyrene Microspheres by Two-Step Dispersion Polymerization with Hydrocarbon Alcohols
Figure 7
SEM micrographs of PS microspheres with different amount of AA (a). 7 wt% AA; (b). 14 wt% AA) (reaction conditions: mPVP:mSt = 0.20; mAMBN:mSt = 0.02; St wt% = 20%; the first-step reaction time = 1 h; ethanol as solvent).
| (a) |
| (b) |