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Alcoholysis and aminolysis of Di-and trithioester chain-transfer agents of free-radical polymerization

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Abstract

The alcoholysis and aminolysis of (S)-1-phenylethyl-(O)-ethyl dithioxanthate, 1-phenylethyl dithiobenzoate, and bis(1-phenylethyl) trithiocarbonate have been studied. These compounds model end groups of polystyrenes prepared by the controlled radical polymerization carried out in the presence of di-and trithioesters. It has been shown that the yield of 1-phenylethylthiol is markedly dependent on the structure of ester. Possible mechanisms governing side reactions are considered, and conditions providing the quantitative yield of polystyrenes with end thiol groups have been estimated.

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Authors and Affiliations

  1. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, Moscow, 119991, Russia

    Yu. A. Kabachii & S. Yu. Kochev

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  1. Yu. A. Kabachii
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  2. S. Yu. Kochev
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Original Russian Text © Yu.A. Kabachii, S.Yu. Kochev, 2006, published in Vysokomolekulyarnye Soedineniya, Ser. A, 2006, Vol. 48, No. 7, pp. 1107–1113.

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Kabachii, Y.A., Kochev, S.Y. Alcoholysis and aminolysis of Di-and trithioester chain-transfer agents of free-radical polymerization. Polym. Sci. Ser. A 48, 717–722 (2006). https://doi.org/10.1134/S0965545X0607008X

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  • DOI: https://doi.org/10.1134/S0965545X0607008X

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