INTEC 05402
INSTITUTO DE DESARROLLO TECNOLOGICO PARA LA INDUSTRIA QUIMICA
Unidad Ejecutora - UE
artículos
Título:
Emulsion Polymerization of MMA employing a Chain Transfer Agent of Low Environmental Impact: Iso-Octyl-3- Mercaptopropionate
Autor/es:
RONCO, L.I.; MINARI, R.J.; CIAN, L.; VEGA, J.R.; GUGLIOTTA, L.M.
Revista:
THE CANADIAN JOURNAL OF CHEMICAL ENGINEERING
Editorial:
JOHN WILEY & SONS INC
Referencias:
Lugar: New York; Año: 2013 vol. 91 p. 599 - 605
ISSN:
0008-4034
Resumen:
The unseeded batch-emulsion polymerisation of methyl methacrylate (MMA) was investigated using the chain transfer agent iso-octyl-3- mercaptopropionate (iOMP), which exhibits a low environmental impact. The commercial iOMP is a mixture of over 10 isomers that proved adequate to control the molecular weights of poly(methyl methacrylate) with a decreasing evolution of both the number- and weight-average molecular weights along the reactions. The iOMP also affects the polymerisation kinetics as a consequence of the lower reactivity of the iOMP radicals with respect to the MMA-ended radicals. Experimental results were interpreted with the help of a first principles mathematical model.
