Synthesis of some Polyol Esters and Diesters Catalyzed with SnO2 and Nano-SnO2

Document Type: Research Article

Authors

Department of Nanochemistry, Nanotechnology Research Center, Urmia University, Urmia, I.R. IRAN

Abstract

Esterification reactions of some polyols and diols were investigated in the presence of SnO2 and nano-SnO2 and the results were compared with the catalyst-free conditions. High conversions were obtained for most of the reactions in the presence of SnO2 and nano-SnO2 which shows the high catalytic activity of SnO2 and nano-SnO2 for the esterification reaction. Low cost of the catalysts compared to alkyl tins, high safety compared to protic acids such as sulfuric acid and high chemical and thermal stability of the catalysts make the reactions interesting for the large-scale production of various polyol esters. Due to the important role of the polyol esters in various industries especially in the lubricant industry, the introduced approach can be interesting.

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