Precise evaluation of the block copolymer nanoparticle growth in polymerization-induced self-assembly under dispersion conditions
作者： Yang Su , Xin Xiao , Shentong Li , Meihan Dan , Xiaohui Wang
DOI: 10.1039/C3PY00995E
关键词: Reversible addition−fragmentation chain-transfer polymerization 、 Ethylene oxide 、 Aggregation number 、 Nanoparticle 、 Dispersion (chemistry) 、 Polymer chemistry 、 Dispersion polymerization 、 Copolymer 、 Polymerization 、 Materials science
摘要: Polymerization-induced self-assembly is demonstrated to be a valid strategy prepare highly concentrated block copolymer nano-objects. Herein, an investigation on the growth of nanoparticles through macro-RAFT agent-mediated dispersion polymerization was performed by employing brush agent poly[poly(ethylene oxide) methyl ether vinylphenyl] trithiocarbonate (PmPEGV-TTC) and linear poly(dimethylacrylamide) (PDMA-TTC) as typical examples. Well-controlled RAFT either or achieved, uniform were obtained. A decreasing number (Np) in medium increasing aggregation (Nagg) during nanoparticle detected, both particle-disassembly/reassembly chain extension contributing concluded. The present study anticipated helpful clarify via polymerization-induced under conditions.
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