Trifluoromethyl functionalized sulfonated polytriazoles from diphenylphosphine oxide-based dialkyne via click polymerization: Effect of high content of phosphorus on the proton exchange membrane properties

Multifunctional Sulfonated Polytriazoles: Proton-Exchange Membrane Properties, Molecular Logic Gates, and Modeling of Stimuli-Responsive Behaviors

“…The PTSFDSH-60 to 90 copolytriazoles demonstrated the highest EB values among the sulfonated copolytriazoles. ,,, PTSFDSH-90 (85%) showed 2.12 and 2.66 times increment in the EB value than PTEHSH-90 (EB: 40%) and PTPPSH-90 (32%). , The plasticization effect in polymer chains by absorbed water molecules was attributed to the high upsurge in EB (up to 131%) of PTSFDSH-XX, where the introduction of the small molecules increased the mobility of the polymer chains (Figure S9). In addition, the inclusion of sulfone units into the sulfonated polytriazole backbones and morphological alteration would be the noteworthy factors for achieving high EBs although the TS and Y values decreased in contrast to some priorly reported polytriazoles due to the prevalent impact of the plasticization effect. , Hence, the excellent mechanical characteristics of these sulfone-based sulfonated PTSFDSH-60 to 90 copolytriazoles would be highly effective in terms of their mechanical steadiness during the applications.…”

“…The PTSFDSH-60 to 90 copolytriazoles demonstrated the highest EB values among the sulfonated copolytriazoles. 7,31,34,38 PTSFDSH-90 (85%) showed 2.12 and 2.66 times increment in the EB value than PTEHSH-90 (EB: 40%) and PTPPSH-90 (32%). 34,38 The plasticization effect in polymer chains by absorbed water molecules was attributed to the high upsurge in EB (up to 131%) of PTSFDSH-XX, where the introduction of the small molecules increased the mobility of the polymer chains (Figure S9).…”

“…7,31,34,38 PTSFDSH-90 (85%) showed 2.12 and 2.66 times increment in the EB value than PTEHSH-90 (EB: 40%) and PTPPSH-90 (32%). 34,38 The plasticization effect in polymer chains by absorbed water molecules was attributed to the high upsurge in EB (up to 131%) of PTSFDSH-XX, where the introduction of the small molecules increased the mobility of the polymer chains (Figure S9). 39 In addition, the inclusion of sulfone units into the sulfonated polytriazole backbones and morphological alteration would be the noteworthy factors for achieving high EBs 39 although the TS and Y values decreased in contrast to some priorly reported polytriazoles due to the prevalent impact of the plasticization effect.…”

“…39 In addition, the inclusion of sulfone units into the sulfonated polytriazole backbones and morphological alteration would be the noteworthy factors for achieving high EBs 39 although the TS and Y values decreased in contrast to some priorly reported polytriazoles due to the prevalent impact of the plasticization effect. 31,38 Hence, the excellent mechanical characteristics of these sulfone-based sulfonated PTSFDSH-60 to 90 copolytriazoles would be highly effective in terms of their mechanical steadiness during the applications.…”

Soluble sulfonated polybenzimidazoles containing phosphine oxide units as proton exchange membranes

“…However, several drawbacks such as higher cost and lower operating temperature have limited their widespread application. [5][6][7][8][9] Therefore, an increasing number of studies have focused on developing partially fluorinated membranes [10][11][12][13] and aromatic polymer membranes [14][15][16][17][18] as alternative PEMs to overcome these defects.…”