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Aqueous polymerization of vinyl monomers in the presence of surfactants . 4. Effect of the chain-length of the surfactant on the acrylamide polymerization

V. Vašková, V. Juraničová, and J. Bartoň

Polymer Institute, Centre for Chemical Research, Slovak Academy of Sciences, CS-842 36 Bratislava

 

Abstract: The kinetics of acrylamide polymerization in water initiated by (NH4)2S2O8 was studied in presence of the surfactants C8H17S03Na, C12H25S04Na, and C16H33S04Na. In the presence of the surfactants an increase in the acrylamide polymerization rate and decrease in the degree of polymerization was obser­ved. At concentrations above critical micellar concentration the surfactant  C12H25S04Na, causes a gentle decrease of the overall activation energy of acrylamide polymerization. The length of the n-alkyl chain in the surfactant molecule does not influence the acrylamide polymerization rate.

Full paper in Portable Document Format: 404a435.pdf

 

Chemical Papers 40 (4) 435–441 (1986)

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