Abstract

AbstractThe polymerization of methyl acrylate in aqueous cationic soap solutions has been examined. The rate of polymerization was found to pass through a minimum with increasing soap concentration. The inhibition period increases considerably with increase in soap concentration. The charge on the latex particles was changed from negative to positive.The latexes of low charge were quite unstable and these systems showed the slowest rate of polymerization. Either the polymerization rate constant in solution is considerably higher than in bulk, or the decomposition of peroxydisulphate in the presence of monomer is increased. Transfer reactions play an important rǒle in the polymerization.

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