Abstract

ESR technique has been used to study the kinetics of methyl radicals decay at 90K in glassy ethanol-1,2d 5 with an admixture of diethyl ether and C 2H 5OH ethyl alcohol. It has been demonstrated that methyl radicals migrate freely throughout the sample. The migration rate strongly depends on sample prehistory. The preliminary annealing at reaction temperature and/or the spontaneous cracking of matrix lead to a decrease in migration rate. The experiments indicate that the mechanism of radical migration in glassy ethanol differs considerably from that in glassy methanol. The probable reasons for this difference have been considered.

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