The Catalytic Activity of Some Mixed Oxides for Depolymerization of Paraldehyde

descriptionPublicationkeyboard_double_arrow_right Article 01 Aug 1974 India English Publisher:Oxford University Press (OUP)Journal:Bulletin of the Chemical Society of Japan, volume 47, pages 1,927-1,929 (issn: 0009-2673, eissn: 1348-0634,

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Authors: Walvekar, S.P.; Halgeri, A.B.;

doi: 10.1246/bcsj.47.1927

The Catalytic Activity of Some Mixed Oxides for Depolymerization of Paraldehyde

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Abstract

Abstract Depolymerization of paraldehyde in benzene catalyzed by SiO2–ZrO2, SiO2–TiO2, Al2O3–ZrO2, TiO2–ZrO2, Al2O3–TiO2 (calcined at various temperatures) has been studied. It is observed that in all the cases the catalytic activity (first order rate constant, k) exhibited a maximum against the temperature of heat treatment of the catalyst. The acid sites at pKa≤−3.0 correlate best with catalytic activity for depolymerization of paraldehyde.

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India

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Bangalore University
India

Keywords

Chemistry

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