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Kinetic parameters of the reaction of isobornylphenols with peroxy radicals

Mazaletskaya, L. I. / Sheludchenko, N. I. / Shishkina, L. N. / Kuchin, A. V. / Fedorova, I. V. / Chukicheva, I. Yu.

Abstract The stoichiometric factors of inhibition and the rate constants (k 7) were measured for the reaction of isobornylphenols with peroxy radicals of ethylbenzene. The values of k 7 of the compounds under study increase with an increase in the amount of alkyl substituents and OH groups on the aromatic ring. The introduction of the oxygen atom between the o-isobornyl substituent and the aromatic ring decreases k 7 by a factor of 6.5. The inhibiting action of binary mixtures of sterically hindered phenols with 2-isobornyl-4-methylphenol and 2,6-diisobornyl-4-methylphenol in the initiated oxidation of ethylbenzene is close to additive.

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Kinetic parameters of the reaction of isobornylphenols with peroxy radicals

Mazaletskaya, L. I. / Sheludchenko, N. I. / Shishkina, L. N. / Kuchin, A. V. / Fedorova, I. V. / Chukicheva, I. Yu.

Abstract The stoichiometric factors of inhibition and the rate constants (k 7) were measured for the reaction of isobornylphenols with peroxy radicals of ethylbenzene. The values of k 7 of the compounds under study increase with an increase in the amount of alkyl substituents and OH groups on the aromatic ring. The introduction of the oxygen atom between the o-isobornyl substituent and the aromatic ring decreases k 7 by a factor of 6.5. The inhibiting action of binary mixtures of sterically hindered phenols with 2-isobornyl-4-methylphenol and 2,6-diisobornyl-4-methylphenol in the initiated oxidation of ethylbenzene is close to additive.

Kinetic parameters of the reaction of isobornylphenols with peroxy radicals

Mazaletskaya, L. I. / Sheludchenko, N. I. / Shishkina, L. N. / Kuchin, A. V. / Fedorova, I. V. / Chukicheva, I. Yu.

Abstract The stoichiometric factors of inhibition and the rate constants (k 7) were measured for the reaction of isobornylphenols with peroxy radicals of ethylbenzene. The values of k 7 of the compounds under study increase with an increase in the amount of alkyl substituents and OH groups on the aromatic ring. The introduction of the oxygen atom between the o-isobornyl substituent and the aromatic ring decreases k 7 by a factor of 6.5. The inhibiting action of binary mixtures of sterically hindered phenols with 2-isobornyl-4-methylphenol and 2,6-diisobornyl-4-methylphenol in the initiated oxidation of ethylbenzene is close to additive.

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Title:

Kinetic parameters of the reaction of isobornylphenols with peroxy radicals

Contributors:

Mazaletskaya, L. I. (author) / Sheludchenko, N. I. (author) / Shishkina, L. N. (author) / Kuchin, A. V. (author) / Fedorova, I. V. (author) / Chukicheva, I. Yu. (author)

Published in:

Petroleum Chemistry ; 51 ; 348-353

Publication date:

2011-09-01

Size:

6 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544111050100

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Toco Pherol , Petroleum Chemistry , Ethylbenzene , Peroxy Radical , Antiradical Activity Chemistry , Industrial Chemistry/Chemical Engineering

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