Abstract
The photopolymerization of methyl methacrylate through changing the initiating species from TiO2 semiconductor nanoparticles was studied in this paper. By using the hole or electron scavenger added into the polymerization systems, we found that there were two initiation pathways depending on the reaction modes. Methods such as GPC, TGA, DSC, H‐NMR were performed to characterize the polymer and composites. We found that by different reaction modes the polymer obtained had the obvious distinguishing molecular weights, molecular structure of polymer, thermal degradation temperature and glass transition temperature (Tg). The effects of the electric charge scavengers on the photopolymerization were discussed.
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