Polymethylene-based copolymers by polyhomologation or by its combination with controlled/living and living polymerizations
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AbstractPolyhomologation, recently developed by Shea, is a borane-initiated living polymerization of ylides leading to linear polymethylenes (C1 polymerization) with controlled molecular weight, low polydispersity, and well-defined structures. In this Review, the copolyhomologation of different ylides as well as the combination of polyhomologation with controlled/living (nitroxide-mediated, atom transfer radical, reversible addition-fragmentation chain-transfer) and living (ring opening, anionic) polymerizations is discussed. Polyhomologation of ylides, in combination with living and controlled/living polymerizations, leads to a plethora novel well-defined polymethylene (polyethylene)-based polymeric materials, which are very important for understanding/improving the behavior of industrial polyethylenes. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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- Issue date: 2010 Nov 16
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