Control of a living radical polymerization of methacrylates by light |
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Authors: | Brett P Fors Craig J Hawker |
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Affiliation: | Materials Research Laboratory, University of California, Santa Barbara, CA 93106 (USA). |
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Abstract: | On-off: A living radical polymerization procedure, which utilizes ppm levels of an iridium-based photoredox catalyst, affords control over chain growth through mediation by visible light (see scheme; P(n) =polymer chain, X=halogen, M=monomer). This process can be activated and deactivated by light, enables control over the molecular weight and molecular weight distributions, and tolerates different functional groups. |
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Keywords: | iridium light photochemistry polymerization radicals |
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