Journal
ACS MACRO LETTERS
Volume 5, Issue 8, Pages 894-899Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsmacrolett.6b00439
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Funding
- National Natural Science Foundation of China [21504017]
- Guangdong Natural Science Foundation [2016A030310339]
- Innovation Project of Education Department in Guangdong [2015KTSCX029]
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We report a fast alcoholic photoinitiated polymerization-induced self-assembly (photo-PISA) formulation via photo initiated RAFT dispersion polymerization of isobornyl acrylate (IBOA) in an ethanol/water mixture at 40 degrees C using a monomethoxy poly(ethylene glycol) (mPEG) based chain transfer agent. Polymerization proceeded rapidly via the exposure to visible light irradiation (405 nm, 0.5 mW/cm(2)), and high monomer conversion (> 95%) was achieved within 30 min. Kinetic studies confirmed that good control was maintained during the photo-PISA process, and the polymerization can be activated or deactivated by light. Finally, we demonstrated that a diverse set of complex morphologies (spheres, worms, or vesicles) could be achieved by varying reaction parameters, and a phase diagram was constructed.
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