Journal
MACROMOLECULES
Volume 45, Issue 15, Pages 5859-5865Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ma300773t
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Funding
- Slovak Research and Development Agency [APVV-0109-10]
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Well-controlled polymerization of methyl methacrylate at 35 degrees C was achieved by photochemically mediated atom transfer radical polymerization using a copper catalyst concentration as low as 50-100 ppm. Irradiation at lambda > 350 nm provided both a reduction of initially added copper(II) catalyst complexed with either PMDETA or TPMA ligand to a copper(I) activator and a sufficient rate of polymerization. Poly(methyl methacrylate) with a narrow dispersity and predictable molar mass was obtained when an initiator, such as 2-bromopropionitrile, was used. Successful chain-extension polymerization confirmed the living character of the photopolymerization system.
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