Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 38, Issue 13, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201600508
Keywords
CO2-responsive; diblock copolymers; photo-PISA
Categories
Funding
- National Natural Science Foundation of China [21504017]
- Guangdong Natural Science Foundation [2016A030310339]
- Education Department in Guangdong [2015KTSCX029]
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Carbon dioxide (CO2)-responsive polymer nano-objects are prepared by photoinitiated reversible addition-fragmentation chain transfer dispersion polymerization of 2-hydroxypropyl methacrylate and 2-(dimethylamino) ethyl methacrylate (DMAEMA) in water at room temperature using a poly(poly(ethylene glycol) methyl ether methacrylate) macromolecular chain transfer agent. Kinetic studies confirm that full monomer conversions are achieved in all cases within 10 min of visible-light irradiation (405 nm, 0.5 mW cm-2). The effect of DMAEMA on the polymerization is studied in detail, and pure higher order morphologies (worms and vesicles) are prepared by this particular formulation. Finally, CO2-responsive property of the obtained vesicles is investigated by dynamic light scattering, visual appearance, and transmission electron microscope.
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