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Pyrolysis of 2,2-dimethylbutane in the presence of an alkene at Ca. 450°C, I. Kinetic study

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Abstract

The inhibiting influence of four alkenes (propene, isobutene, 2-methyl-1-butene and 2-methyl-2-butene) on the thermal decomposition of 2,2-dimethylbutane has been studied in a pyrex static reaction vessel at ca. 450 °C. These four alkenes have a similar strong kinetic effect and their comparison leads us to think that a mechanism by hydrogen abstraction allows to interpret such effects.

Abstract

Кинетический (ингивирующий) эффект добавления алкенов на пиролиз 2,2-диметилбутана был описан в предыдущей статье. Здесь был исследован химический эффект двух алкенов (2-метил-2-бутена и изобутена) на этот пиролиз, или более точно образование новых первичных продуктов и изменения в распределении продуктов. Наблюдаемый эффект интерпретируется присоединением свободного атома водорода Н·к двойной связи молекулы алкена с дальнейшими реакциями свободных радикалов, образующихся за счет этой ступени присоединения.

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References

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  1. Département de Chimie Physique des Réactions E.R.A. no 136 CNRS, INPL-ENSIC, 1, rue Grandville, 54042, Nancy Cedex, France

    F. Billau, F. Baronnet & M. Niclause

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  1. F. Billau
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  2. F. Baronnet
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  3. M. Niclause
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Billau, F., Baronnet, F. & Niclause, M. Pyrolysis of 2,2-dimethylbutane in the presence of an alkene at Ca. 450°C, I. Kinetic study. React Kinet Catal Lett 20, 363–366 (1982). https://doi.org/10.1007/BF02066327

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  • DOI: https://doi.org/10.1007/BF02066327

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