alkyl radical

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  • noun

Synonyms for alkyl radical

any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons

References in periodicals archive ?
2005) reported alkyl radical scavenging effects and noticed the positive impacts using extract from Sargassum thunbergii.
Assays of 1, 1-Diphenyl-2-picryl-hydrazyl and Alkyl radicals scavenging activity on electron spin resonance spectrometer
It is based upon differences in the kinetic reactivity of nitroxyl and C=C functionality toward radical trapping [9], Recall that the rate constants the rate constants for alkyl radical combination with nitroxyls are generally of the order of [10.
In the latter case, the alkyl chloride becomes a radical-anion and can subsequently dissociate from the CTC and produce the chloride ion and the alkyl radical.
In situ ESR studies of peroxide reactions in polymers have detected only alkyl radicals but no oxygen centered radicals, indicating that the abstraction of protons from the polymer substrate is quite rapid [15-17].
For instance, to drive toward TEMPO modification of the polymer, it is desirable to use a peroxide that does not form small alkyl radicals after decomposition.
VTEOS conversions declined in the presence of this antioxidant, since chain-breaking donors quench alkoxy and alkyl radicals first by hydrogen atom donation, and subsequently through rapid radical termination processes [16].
That trans-unsaturation did not increase linearly with DOP loading beyond an early phase is difficult to rationalize given that alkyl radical disproportionation is expected to increase the concentration of this functional group.
Nevertheless, the tendency for alkyl radicals to disproportionate suggests that the [DELTA][tau] increases demonstrated in Fig.
The following reaction at a propagation stage proceeds much slower--alkyl peroxy radicals take hydrogen from hydrocarbons and form alkyl hydro peroxides (ROOH) and new alkyl radicals (Rx):
When oil intensively oxidizes, non-radical compounds may be formed by two joined alkyl radicals (Mang, Dresel 2007).
Crosslinking of chains result from the combination of secondary alkyl radicals, whereas chain scission or molecular weight loss is generally attributed to the fragmentation of tertiary alkyl radicals (1), (2).
Yamazaki and Seguchi [13] detected that some alkyl radicals will convert to allyl radicals in the final stage, but the concentration of the allyl radicals was comparatively much lower than that of alkyl radicals at 145[degrees]C.