div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: School of Chemistry and Biochemistry · Macromolecules Vol 25 No 18 1992 Communications to the Editor 4833 a CH2 Table 1 13C NMRa ppm and FTIR cm-I Results for PBI Polyelectrolytes src=https:reader035vdocumentsusreader035viewer20220630095fc12b612985da1bc009703ahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: School of Chemistry and Biochemistry · Macromolecules Vol 25 No 18 1992 Communications to the Editor 4833 a CH2 Table 1 13C NMRa ppm and FTIR cm-I Results for PBI Polyelectrolytes src=https:reader035vdocumentsusreader035viewer20220630095fc12b612985da1bc009703ahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: School of Chemistry and Biochemistry · Macromolecules Vol 25 No 18 1992 Communications to the Editor 4833 a CH2 Table 1 13C NMRa ppm and FTIR cm-I Results for PBI Polyelectrolytes src=https:reader035vdocumentsusreader035viewer20220630095fc12b612985da1bc009703ahtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: School of Chemistry and Biochemistry · Macromolecules Vol 25 No 18 1992 Communications to the Editor 4833 a CH2 Table 1 13C NMRa ppm and FTIR cm-I Results for PBI Polyelectrolytes src=https:reader035vdocumentsusreader035viewer20220630095fc12b612985da1bc009703ahtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: School of Chemistry and Biochemistry · Macromolecules Vol 25 No 18 1992 Communications to the Editor 4833 a CH2 Table 1 13C NMRa ppm and FTIR cm-I Results for PBI Polyelectrolytes src=https:reader035vdocumentsusreader035viewer20220630095fc12b612985da1bc009703ahtml5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdiv