Abstract
ABSTRACTA new strategy for anhydride-functionalization of poly(vinyl chloride) is suggested. First, some chlorine groups of poly(vinyl chloride) were converted to phenylamine-oxy groups by a nucleophilic substitution reaction in the presence of a solvent composed of 4-aminophenol, K2CO3, and dry N,N-dimethylformamide at room temperature, to avoid cross-linking. The phenylamine-functionalized poly(vinyl chloride) was further reacted with maleic and 1,2,4-benzenetricarboxylic acid anhydrides. The chemical structures of all samples as representatives were characterized by Fourier transform infrared and nuclear magnetic resonance spectroscopies. The chemical compositions of the synthesized anhydride-functionalized poly(vinyl chloride) were investigated by elemental analysis, and their thermal behaviors were characterized by means of differential scanning calorimetry and thermogravimetric analyzer.
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