Synthesis and properties of amine-containing poly(arylene ether sulfone) as an anion-exchange matrix

• Published in: Journal of polymer science. Part A, Polymer chemistry Polymer chemistry, 2002-12, Vol.40 (23), p.4281-4287
• Main Authors: Son, Won-Keun, Song, Hea-Young, Kim, Sang-Hern, Kim, Hyung-Joong, Kim, Whan-Gi
• Format: Article
• Language: English
• Subjects: amination; Applied sciences; Exact sciences and technology; exchangeability; ion exchangers; Organic polymers; Physicochemistry of polymers; poly(ether sulfones); Polycondensation; Preparation, kinetics, thermodynamics, mechanism and catalysts; thermal properties
• ISSN: 0887-624X; 1099-0518
• DOI: 10.1002/pola.10520

Poly(arylene ether sulfone) (PSF), showing good thermal stability and excellent mechanical properties, was synthesized as an anion‐exchange matrix. It was synthesized by the condensation polymerization between bisphenol A and 4,4′‐dichlorodiphenylsulfone. 1°‐Amine‐containing poly(arylene ether sulfone) (1°‐APSF) was synthesized by the reduction reaction of a nitrated PSF. Then, it was transferred to 3°‐amine‐containing poly(arylene ether sulfone) (3°‐APSF) by the alkylation of the amine of 1°‐APSF. The properties of PSF, 1°‐APSF, and 3°‐APSF were investigated by Fourier transform infrared, 1H NMR spectroscopy, differential scanning calorimetry, and thermogravimetric analysis. The introduction of the 3°‐amine group into PSF increased the glass‐transition temperature but decreased thermooxidative stability. The ion‐exchange capacities of 1°‐APSF and 3°‐APSF were shown to be 2.24 and 2.86 mequiv/g, respectively. © 2002 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 40: 4281–4287, 2002 Poly(arylene ether sulfone) (PSF) was synthesized by the condensation polymerization between bisphenol A and 4,4′‐dichlorodiphenylsulfone as an anion‐exchange matrix. 1°‐Amine‐containing poly(arylene ether sulfone) (1°‐APSF) was synthesized by the reduction reaction of a nitrated PSF. Then, it was transferred to 3°‐amine‐containing poly(arylene ether sulfone) (3°‐APSF) by the alkylation of the amine of 1°‐APSF. 1°‐APSF and 3°‐APSF showed good thermal stability and excellent mechanical properties. The ion‐exchange capacities of 1°‐APSF and 3°‐APSF were studied.