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Dimerization of α-methylstyrene on high-silica zeolites

Grigor’eva, N. G. / Galyautdinova, R. R. / Paukshtis, E. A. / Kutepov, B. I. / Tselyutina, M. I. / Dzhemilev, U. M.

Abstract α-Methylstyrene dimerization was studied on high-silica β, ZSM-12, and TsVN zeolites. The acid properties of the zeolites were studied by IR spectroscopy. It was revealed that the catalytic properties of the zeolites in α-methylstyrene dimerization depend on both the acidic and structural characteristics of the catalysts. The highest activity in the reaction was exhibited by zeolite β, as the maximum amount of acid sites were found in its structural units (inside channels, on the outer surface). Zeolite ZSM-12 had the highest selectivity for linear dimers.

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Dimerization of α-methylstyrene on high-silica zeolites

Grigor’eva, N. G. / Galyautdinova, R. R. / Paukshtis, E. A. / Kutepov, B. I. / Tselyutina, M. I. / Dzhemilev, U. M.

Abstract α-Methylstyrene dimerization was studied on high-silica β, ZSM-12, and TsVN zeolites. The acid properties of the zeolites were studied by IR spectroscopy. It was revealed that the catalytic properties of the zeolites in α-methylstyrene dimerization depend on both the acidic and structural characteristics of the catalysts. The highest activity in the reaction was exhibited by zeolite β, as the maximum amount of acid sites were found in its structural units (inside channels, on the outer surface). Zeolite ZSM-12 had the highest selectivity for linear dimers.

Dimerization of α-methylstyrene on high-silica zeolites

Grigor’eva, N. G. / Galyautdinova, R. R. / Paukshtis, E. A. / Kutepov, B. I. / Tselyutina, M. I. / Dzhemilev, U. M.

Abstract α-Methylstyrene dimerization was studied on high-silica β, ZSM-12, and TsVN zeolites. The acid properties of the zeolites were studied by IR spectroscopy. It was revealed that the catalytic properties of the zeolites in α-methylstyrene dimerization depend on both the acidic and structural characteristics of the catalysts. The highest activity in the reaction was exhibited by zeolite β, as the maximum amount of acid sites were found in its structural units (inside channels, on the outer surface). Zeolite ZSM-12 had the highest selectivity for linear dimers.

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Title:

Dimerization of α-methylstyrene on high-silica zeolites

Contributors:

Grigor’eva, N. G. (author) / Galyautdinova, R. R. (author) / Paukshtis, E. A. (author) / Kutepov, B. I. (author) / Tselyutina, M. I. (author) / Dzhemilev, U. M. (author)

Published in:

Petroleum Chemistry ; 46 ; 332-337

Publication date:

2006-10-01

Size:

6 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544106050057

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Zeolite , Acid Site , Petroleum Chemistry , Lewis Acid Site , Cyclic Dimer Chemistry , Industrial Chemistry/Chemical Engineering

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