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Kinetics of Free-Radical Nonbranched-Chain Addition to Alkenes and Their Derivativesстатья
- Автор: Silaev Michael M.
- Журнал: International Journal of Innovative Studies in Sciences and Engineering Technology (IJISSET)
- Том: 3
- Номер: 12
- Год издания: 2017
- Первая страница: 16
- Последняя страница: 22
- Аннотация: The reaction scheme is suggested for the initiated nonbranched-chain addition of free radicals to the double bonds of the unsaturated compounds. The proposed scheme includes the reaction competing with chain propagation reactions through a reactive free radical. The chain evolution stage in this scheme involves three types of free radicals. One of them is relatively low-reactive and inhibits the chain process by shortening of the kinetic chain length. Based on the suggested scheme, four rate equations (containing one to three parameters to be determined directly) are deduced using quasi-steady-state treatment. 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 consisting of a saturated component (hydrocarbon, alcohol, etc.) and an unsaturated component (alkene, allyl alcohol, etc.). The unsaturated compound in these systems is both a reactant and an autoinhibitor generating low-reactive free radicals. The energetics of the key radical-molecule reactions is considered. Keywords: Binary System, Unsaturated Compound, Low-Reactive Radical, Autoinhibitor, Competing Reaction, Nonbranched-Chain Addition, Kinetic Equation, Rate, Parameters, Thermochemical Data, Energy.
- Добавил в систему: Силаев Михаил Михайлович
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Полный текст | Kinetics of Free-Radical Nonbranched-Chain Addition to Alkenes and Their Derivatives | M.M._Silaev_Kinetics_of..._Addition_to_Alkenes_and_Their_... | 1,1 МБ | 18 февраля 2020 [SilaevMM] |