Abstract
When electropolymerization of acrylamide in aqueous sulfuric acid solution using graphite fibers as the working electrode was conducted using short current pulses (∼1 s), there was no significant change in the polymer yield as compared to the conventional continuous process. The acrylamide radical lifetime is estimated to be about 5 s. However, the molecular weight of the polymer (measured at low conversion) was somewhat higher than that obtained under steady-state conditions and decreased with increasing pulse length. After the current is switched off, postelectropolymerization continues for a significant length of time
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