Abstract

The telomerization in emulsion of styrene is studied with two transfer agens: thioglycolic acid and 1,1,2,2-tetrahydro perfluorooctane thiol. The influence of the telogen-amount vs the degree of telomerization, that of the surfactant concentration and that of the nature of the initiator are investigated. The telomerization of this monomer with these aliphatic mercaptans is possible in aqueous medium whatever the solubility of the thiols in water. Transfer constants of both these mercaptans were determined as 1.60 and 1.16 for thioglycolic acid and the fluoronated thiol, respectively. © 1997 Elsevier Science Ltd. All rights reserved

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