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Studies on the free-radical addition of thiols to multiacrylate

Jantas R., Draczyński Z.

Polish Journal of Applied Chemistry

2009

Vol. 53, nr 1

31-36

Free-radical addition of thiols (l-dodecanthiol, 2-hydroxy-l-ethanethiol) to vinyl groups of a multiacrylate - poly(2-acryIoyloxyethyl methacrylate) were investigated. The addition process was carried out in dioxane with the excess of thiols within the temperature range 60-80°C. Pseudo-first-order rate constants for free-radical addition and the activation energy were determined. The resultant comb-like products were characterized by FTIR, H-NMR, C-NMR and DSC.