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Synthesis of Multicompartment Nanoparticles of ABC Miktoarm Star Polymers by Seeded RAFT Dispersion Polymerization

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journal contribution
posted on 13.06.2019, 16:03 by Shenzhen Li, Huijun Nie, Song Gu, Zhongqiang Han, Guang Han, Wangqing Zhang
Polymeric multicompartment nanoparticles (MCNs) of μ-ABC miktoarm star polymers composed of poly­(N,N-dimethylacrylamide) (PDMA), poly­(butyl methacrylate) (PBMA), and polystyrene (PS) were synthesized by Cu­(I)-catalyzed click reaction and seeded RAFT dispersion polymerization. The synthesized MCNs have a solvophobic PBMA core with separate segregated PS microdomains and a solvophilic PDMA corona. The size and/or morphology of MCNs are correlative to the length of PDMA, PBMA, and PS segments. Ascribed to the characteristic structure, MCNs of μ-DBS can decrease interfacial tension in n-hexane/water, which is much superior to linear diblock copolymer nanoassemblies.