Abstract
Poly(α-chloroacrylonitrile) (PCAN) decomposed to low molecular weight compounds when treated with electron-donating nucleophiles such as sodium N,N-diethyldithiocarbamate (DTC), sodium thiophenoxide (TP), and sodium azide. An S RN1 mechanism was assumed for this reaction, in which the electron transfer takes place from the nucleophiles to PCAN and the subsequent release of chloride ions from the polymer leads to its decomposition. To elucidate the mechanism, other electron-donating reagents such as N,N,N′,N′-tetramethyl-p-phenylenediamine (TMPDA) and a reducing system of Zn-methylviologen (MV) were examined; in the latter reduction PCAN decomposed rapidly supporting the mechanism.
Published Version
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