The reaction ofC-phenylcalix[4]resorcinarene-based polymer with quaternary ammonium and potassium cations |
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Authors: | G. N. Al'tshuler O. N. Fedyaeva E. V. Ostapova |
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Affiliation: | (1) Institute of Coal and Coal Chemistry, Siberian Branch of the Russian Academy of Sciences, 18 Sovetsky prosp, 650099 Kemerovo, Russian Federation |
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Abstract: | The resol polycondensation ofC-phenylcalix[4]resorcinarene with formaldehyde affords a corss-linked polymer possessing ion-exchange ability. The ion-exchange capacity of the polymer with respect to NH4 +, Me4N+, Et4N+, Bu4N+, and K+ cations was determined. The equilibrium in the systemsC-phenylcalix[4]resorcinarene-based polymer—binary or ternary aqueous solutions of electrolytes was studied by potentiometric titration and quantumchemical MNDO/PM3 calculation Published inIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1475–1477, August, 2000. |
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Keywords: | C-phenylcalix[4]resorcinarene polymer quaternary ammonium bases potassium hydroxide ion exchange potentiometric titration quantum-chemical calculation MNDO/PM3 method |
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