Fluorocarbon‐ended polymers: Metal catalyzed radical and living radical polymerizations initiated by perfluoroalkylsulfonyl halides
作者： Andrew E. Feiring , Edward R. Wonchoba , Fred Davidson , Virgil Percec , Bogdan Barboiu
DOI: 10.1002/1099-0518(20000915)38:18<3313::AID-POLA100>3.0.CO;2-D
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摘要: Perfluoroalkylsulfonyl chlorides and bromides initiate metal catalyzed free radical polymerization of both hydrocarbon fluorocarbon monomers affording polymers with perfluoroalkyl end groups. In the case styrene (S) methyl methacrylate (MMA) Cu-based catalysts process affords a relatively narrow molecular weight distribution linear dependence on conversion, suggesting that living mechanism occurs. The orders reaction in monomer, initiator catalyst for these polymerizations were determined. PMMA, detailed structure perfluorobutane chain-end was determined by NMR analysis. are stable neutral aqueous media. This permits their use as initators fluoroolefin H 2 O. Poly(tetrafluoroethylene-co-hexafluoropropylene) obtained good yield few ionic appears to be zero species from reactor walls.
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