methyl radical


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Noun1.methyl radical - the univalent radical CH3- derived from methane
methyl, methyl group
alkyl, alkyl group, alkyl radical - any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
aminomethane - a methyl with the hydrogen atom replaced by an amino radical
hydroxymethyl - a methyl with hydroxide replacing the hydrogen atoms
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R133a formation results from defluorination of R-134a followed by chlorination to form the R133a, indicating the presence of a strong reacting agent, likely the presence of methyl radical or methyl carbocation as the result of dechlorination of the R-40.
Water will suppress methyl radical or carbocation reactions by allowing for the protonation of these materials and preventing them from further reacting with other materials.
Examination of the reactions of R-40 with R-134a and POE refrigeration system materials
This chemistry is also remarkable in terms of its potential use of methyl radical byproducts.
Comparative analysis of delayed-onset peroxide crosslinking formulations
The fragment ion of M/Z 179 is obtained by the loss of a methyl radical to yield the spiro cation that is shown in Scheme 1.
1, 4-dimethylbenzenedicarboxylic acid ester from the ethanol extracts of Ficus platyphylla stem bark
This decomposition reaction yields formaldehyde and a methyl radical, consistent with the observation that [C.sub.2] hydrocarbons are formed in similar mole fraction to those in the CH4 flames, which also generate methyl radicals in their initial reaction step.
Dimethyl ether offered to adjust gas quality
Elimination of a methyl radical from the isopropylidene group of bisphenol A based polysulfone, followed by hydrogen abstraction to form methane was observed but not abundant.
Study on radiation sterilization-resistant polysulfones fabricated free from bisphenol A
Interestingly, the same Friedrich Paneth responsible for the demonstration of methyl radical formation was in charge of the chemistry group.
Free Radicals: 1900-2000
The methyl radical often produced from industrial peroxide (e.g., dicumyl peroxide (DCP)) decomposition also reacts with the nitroxyl radical.
Nitroxyls for scorch suppression, cure control, and functionalization in free-radical crosslinking of polyethylene
These electrophilic species [19] prefer hydrogen atom abstraction to addition to electron deficient olefins, whereas the opposite tendencies are observed for the nucleophilic methyl radicals derived from cumyloxy radical fragmentation [20, 21].
Radical mediated graft modification of polyolefins: vinyltriethoxysilane addition dynamics and yields

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