Transactions of the Faraday Society p. 1135 - 1144 (1970)
Update date:2022-08-12
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TEDDER JM
WALTON JC
Part 5 deals with addition of difluorobromomethyl radicals to trifluoroethylene and ethylene. The photochemical reaction of CF//2Br//2 with CHFCF//2 and CH//2CH//2 has been examined in a series of gas-phase experiments. A mechanism for the radical chain addition which takes place is proposed. The variation in the rate of formation of termination products, CF//2BrCF//2Br and CF//2BrCHFCF//2CF//2Br, with reactant concentration is explained if five important termination reactions are taken into account and a long-lived excited state of the CF//2Br//2 is accepted. Arrhenius parameters for the addition of CF//2Br radicals to the olefins have been derived.
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