What is it about?
The unsaturated compound in binary reaction systems consisting of saturated and unsaturated components is both a reactant and an autoinhibitor generating low-reactive free radicals that inhibit the chain process by shortening of the kinetic chain length.
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Why is it important?
Based on the suggested schemes, nine rate equations (containing one to three parameters to be determined directly) are deduced. These equations provide good fits for the nonmonotonic (peaking) dependences of the formation rates of the molecular products (1:1 adducts) on the concentration of the unsaturated component in binary systems and allow to determine the rate constant of addition reaction.
Perspectives
The progressive inhibition of the nonbranched-chain processes, which takes place as the concentration of the unsaturated compound is raised (after the maximum process rate is reached), can be an element of the self-regulation of the natural processes that returns them to the stable steady state.
Dr Michael M. Silaev
Lomonosov Moscow State University
Read the Original
This page is a summary of: ChemInform Abstract: Competition Kinetics of the Free-Radical Addition, Inhibition of Nonbranched-Chain Processes by Low-Reactive Radicals, ChemInform, March 2014, Wiley,
DOI: 10.1002/chin.201415294.
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