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Long-side chains functionalized cross-linked sulfonated poly (ether ketone sulfone)s as proton exchange membranes.

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Title: Long-side chains functionalized cross-linked sulfonated poly (ether ketone sulfone)s as proton exchange membranes.
Authors: Xu, Jingmei1,2 (AUTHOR) xujingmei@ccut.edu.cn, Meng, Lingxin1 (AUTHOR), Shi, Qingyuan1 (AUTHOR), Ren, Qiang1 (AUTHOR), Wang, Zhe1,2 (AUTHOR) wzccut@126.com
Source: Journal of Polymer Research. Nov2022, Vol. 29 Issue 11, p1-13. 13p.
Subjects: Polyethers, Ketones, Proton conductivity, Free radical reactions, Sulfones, Protons, Composite membranes (Chemistry)
Abstract: In this study, sulfonated poly (ether ketone sulfone)s polymers with long sulfonic acid alkyl side chains and amino groups were prepared by free radical and polycondensation reaction. Poly (ether ketone)s with carboxyl groups were used for macromolecule crosslinking agent to prepare cross-linked membranes by amidation reaction. This series of membranes were characterized by FT-IR and 1H NMR. Meanwhile, cross-linked composite membranes possessed excellent mechanical properties, methanol resistance performance and thermal stability. The highest proton conductivity of 0.096 S cm−1 was observed for APD-3/CP at 80 °C. The range of methanol permeation coefficients for the prepared membranes (2.89 × 10−7cm2s−1—4.95 × 10−7cm2s−1) was far lower as compared to that of Nafion 117 (24.1 × 10−7cm2s−1). The results of morphology, swelling ratio and proton conductivity showed that the hydrophilic-hydrophobic phase separation structure effectively improved the properties of the membrane namely water uptake, dimensional stability and proton conductivity. Long-side chains functionalized cross-linked sulfonated poly (ether ketone sulfone)s proton exchange membranes had good candidate for application in fuel cells. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Polymer Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: Long-side chains functionalized cross-linked sulfonated poly (ether ketone sulfone)s as proton exchange membranes.
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  Data: <searchLink fieldCode="AR" term="%22Xu%2C+Jingmei%22">Xu, Jingmei</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> xujingmei@ccut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Meng%2C+Lingxin%22">Meng, Lingxin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shi%2C+Qingyuan%22">Shi, Qingyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ren%2C+Qiang%22">Ren, Qiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Zhe%22">Wang, Zhe</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> wzccut@126.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Polymer+Research%22">Journal of Polymer Research</searchLink>. Nov2022, Vol. 29 Issue 11, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Polyethers%22">Polyethers</searchLink><br /><searchLink fieldCode="DE" term="%22Ketones%22">Ketones</searchLink><br /><searchLink fieldCode="DE" term="%22Proton+conductivity%22">Proton conductivity</searchLink><br /><searchLink fieldCode="DE" term="%22Free+radical+reactions%22">Free radical reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Sulfones%22">Sulfones</searchLink><br /><searchLink fieldCode="DE" term="%22Protons%22">Protons</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+membranes+%28Chemistry%29%22">Composite membranes (Chemistry)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this study, sulfonated poly (ether ketone sulfone)s polymers with long sulfonic acid alkyl side chains and amino groups were prepared by free radical and polycondensation reaction. Poly (ether ketone)s with carboxyl groups were used for macromolecule crosslinking agent to prepare cross-linked membranes by amidation reaction. This series of membranes were characterized by FT-IR and 1H NMR. Meanwhile, cross-linked composite membranes possessed excellent mechanical properties, methanol resistance performance and thermal stability. The highest proton conductivity of 0.096 S cm−1 was observed for APD-3/CP at 80 °C. The range of methanol permeation coefficients for the prepared membranes (2.89 × 10−7cm2s−1—4.95 × 10−7cm2s−1) was far lower as compared to that of Nafion 117 (24.1 × 10−7cm2s−1). The results of morphology, swelling ratio and proton conductivity showed that the hydrophilic-hydrophobic phase separation structure effectively improved the properties of the membrane namely water uptake, dimensional stability and proton conductivity. Long-side chains functionalized cross-linked sulfonated poly (ether ketone sulfone)s proton exchange membranes had good candidate for application in fuel cells. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Polymer Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10965-022-03334-6
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      – Code: eng
        Text: English
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        PageCount: 13
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      – SubjectFull: Polyethers
        Type: general
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      – SubjectFull: Proton conductivity
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      – SubjectFull: Protons
        Type: general
      – SubjectFull: Composite membranes (Chemistry)
        Type: general
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      – TitleFull: Long-side chains functionalized cross-linked sulfonated poly (ether ketone sulfone)s as proton exchange membranes.
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            NameFull: Xu, Jingmei
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            NameFull: Meng, Lingxin
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            NameFull: Shi, Qingyuan
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            NameFull: Ren, Qiang
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            NameFull: Wang, Zhe
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            – D: 01
              M: 11
              Text: Nov2022
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              Y: 2022
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