allyl radical

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Related to allyl radical: vinyl radical, benzyl radical

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Noun

allyl radical - the univalent unsaturated organic radical C3H5; derived from propylene

chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule

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References in periodicals archive ?

Whereas the TEMPO formulation provided scorch protection at the expense of crosslink density, AOTEMPO proved capable of restoring the crosslink density lost to allyl radical quenching.

Comparative analysis of delayed-onset peroxide crosslinking formulations

Secondly, the methyl group on polyisoprene protects the allyl radical and only allows crosslinking to occur between two isoprene radicals.

Rubber degradation and stabilization

Polyunsaturated fatty acids are especially reactive, since they have relatively weak C-H bonds due to formation of allyl radicals (from monounsaturated oleic acid) or pentadienyl radicals (from fatty acids containing skipped dienes such as linoleic acid and linolenic acid).