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Modulating controlled radical polymerization is an interesting and important issue. Herein, modulating RAFT polymerization employing photosensitive azobenzenes is achieved. In the presence of azobenzenes and with visible light off, RAFT polymerization runs smoothly and follows a pseudo‐first‐order kinetics. In contrast, with light on, RAFT polymerization is greatly decelerated or quenched depending...
The thermo-responsive vesicles of poly[N-(4-vinylbenzyl)-N,N-diethylamine]-b-polystyrene (PVEA-b-PS) and the nanospheres of poly(acrylic acid)-b-polystyrene (PAA-b-PS) were prepared and the blending of the PVEA-b-PS vesicles and the PAA-b-PS nanospheres to form vesicle/nanospheres complexes and the revisable disassembly of the vesicle/nanospheres complexes were investigated. Through the in situ synthesis...
Doubly thermo-responsive brush-linear diblock copolymer of poly[poly(ethylene glycol) methyl ether vinylphenyl]-block-poly(N-isopropylacrylamide) (PmPEGV-b-PNIPAM) is prepared by RAFT polymerization. The obtained brush-linear diblock copolymer exhibits two lower critical solution temperatures (LCSTs) corresponding to the linear poly(N-isopropylacrylamide) (PNIPAM) block and the brush poly[poly(ethylene...
A new method to achieve well-controlled surfactant-free aqueous RAFT polymerization of styrene initiated by K 2 S 2 O 8 in the presence of CaCO 3 particles was proposed. It was found that the hydrophobic monomer of styrene was adsorbed on the surface of CaCO 3 particles and well-controlled surfactant-free aqueous RAFT polymerization mediated with the RAFT agent...
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