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The surface of polyacrylonitrile nanofibers (PAN) was chemically modified with 2-(2′-pyridyl)imidazole ligand (pim) to generate PAN–pim nanofibers. The reaction proceeds via nucleophilic attack of the pim anion on the nitrile groups of the PAN nanofibers. A 36% conversion of the acrylonitrile repeating units to AN–pim groups was obtained after 60min at 70°C using 1.0mol/L pim ligand. The product was...
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