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Catalytic Properties of Cobalt Phthalocyanines Chemically Bonded to Polymer Anchored onto Silochrome Surface

S. A. BORISENKOVA

Faculty of Chemistry, Moscow State University, V-234 Moscow, Russia

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E. G. GIRENKO

Faculty of Chemistry, Moscow State University, V-234 Moscow, Russia

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B. G. GHERASSIMOV

Organic Intermediates and Dyes Institute, 1/4 B. Sadovaya Street, 103787 Moscow, Russia

Corresponding author: Gherassimov, Organic Intermediates and Dyes Institute, 1/4 B. Sadovaya Street, 103787 Moscow, Russia.

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L. M. MAZYARKINA

Organic Intermediates and Dyes Institute, 1/4 B. Sadovaya Street, 103787 Moscow, Russia

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V. P. EROFEEVA

Organic Intermediates and Dyes Institute, 1/4 B. Sadovaya Street, 103787 Moscow, Russia

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V. M. DERKACHEVA

Organic Intermediates and Dyes Institute, 1/4 B. Sadovaya Street, 103787 Moscow, Russia

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O. L. KALIYA

Organic Intermediates and Dyes Institute, 1/4 B. Sadovaya Street, 103787 Moscow, Russia

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, and

E. A. LUKYANETS

Organic Intermediates and Dyes Institute, 1/4 B. Sadovaya Street, 103787 Moscow, Russia

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https://doi.org/10.1002/(SICI)1099-1409(199903)3:3<210::AID-JPP124>3.0.CO;2-WCited by:12 (Source: Crossref)

Abstract

Catalytic systems consisting of cobalt phthalocyanine grafted to maleic anhydride-styrene copolymer chemically linked with γ-aminopropylated silochrome have been prepared. In the process of sulfide oxidation with air oxygen the specific catalytic activity of these systems depends strongly on the phthalocyanine concentration in the catalyst. At low phthalocyanine concentrations (below 0.4 × 10⁻⁶ mol g⁻¹) the catalytic activity is more than an order of magnitude larger than that of homogeneous catalysts and cobalt phthalocyanine adsorbed on a silochrome surface. The different ways of preparing the catalysts are reflected in the kinetic characteristics of the oxidation process.

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