Preparation, characterization, and properties of new crosslinked proton-conducting membranes with polyoxyalkylene moieties

Ping-Lin Kuo, Wuu Jyh Liang, Chang Yu Hsu, Wu Huei Jheng

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A new class of crosslinked proton-conducting membranes (CPMs) with polyoxyalkylene moieties was designed and prepared based on poly(styrene-co-maleic anhydride) modified with 2-aminoethanesulfonic acid sodium salt (AESA-Na) and polyoxyalkylenediamines (PEGDAs). The number density of the pendant of sulfonate group was controlled by the ratio of AESA-Na to PEGDA. The resulted membranes possess good mechanical strength and excellent flexibility. The structural characterizations of these membranes were confirmed by FT-IR and solid-state 13C NMR spectra. All these membranes exhibit a wholly amorphous morphology, and show a one-step weight loss from 350 °C, indicating their good thermal stability. The CPM sample with 1.25 mequiv SO3H per gram reaches the proton conductivity of 0.21 S cm-1 at 30 °C and 0.49 S cm-1 at 95 °C, respectively. Moreover, these protonated membranes show adequate oxidative stability in Fenton's reagent at 30 °C.

Original languageEnglish
Pages (from-to)1792-1799
Number of pages8
Journalpolymer
Volume49
Issue number7
DOIs
Publication statusPublished - 2008 Apr 1

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Protons
Membranes
Proton conductivity
Maleic anhydride
Strength of materials
Styrene
Thermodynamic stability
Salts
Sodium
Nuclear magnetic resonance
Acids
poly(ethylene glycol)diacrylate

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Kuo, Ping-Lin ; Liang, Wuu Jyh ; Hsu, Chang Yu ; Jheng, Wu Huei. / Preparation, characterization, and properties of new crosslinked proton-conducting membranes with polyoxyalkylene moieties. In: polymer. 2008 ; Vol. 49, No. 7. pp. 1792-1799.
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abstract = "A new class of crosslinked proton-conducting membranes (CPMs) with polyoxyalkylene moieties was designed and prepared based on poly(styrene-co-maleic anhydride) modified with 2-aminoethanesulfonic acid sodium salt (AESA-Na) and polyoxyalkylenediamines (PEGDAs). The number density of the pendant of sulfonate group was controlled by the ratio of AESA-Na to PEGDA. The resulted membranes possess good mechanical strength and excellent flexibility. The structural characterizations of these membranes were confirmed by FT-IR and solid-state 13C NMR spectra. All these membranes exhibit a wholly amorphous morphology, and show a one-step weight loss from 350 °C, indicating their good thermal stability. The CPM sample with 1.25 mequiv SO3H per gram reaches the proton conductivity of 0.21 S cm-1 at 30 °C and 0.49 S cm-1 at 95 °C, respectively. Moreover, these protonated membranes show adequate oxidative stability in Fenton's reagent at 30 °C.",
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Preparation, characterization, and properties of new crosslinked proton-conducting membranes with polyoxyalkylene moieties. / Kuo, Ping-Lin; Liang, Wuu Jyh; Hsu, Chang Yu; Jheng, Wu Huei.

In: polymer, Vol. 49, No. 7, 01.04.2008, p. 1792-1799.

Research output: Contribution to journalArticle

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