SYNTHESIS AND PROPERTIES OF SULFONATED POLY(ETHER KETONE)S CONTAINING 3,5-DIMETHYL PHTHALAZINONE MOIETIES AS PROTON EXCHANGE MEMBRANE MATERIALS

Shou-hai Zhang; Juan Zhou; Xi-gao Jian

doi:10.1007/s10118-012-1129-z

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SYNTHESIS AND PROPERTIES OF SULFONATED POLY(ETHER KETONE)S CONTAINING 3,5-DIMETHYL PHTHALAZINONE MOIETIES AS PROTON EXCHANGE MEMBRANE MATERIALS

PAPER | Updated：2023-01-03

- SYNTHESIS AND PROPERTIES OF SULFONATED POLY(ETHER KETONE)S CONTAINING 3,5-DIMETHYL PHTHALAZINONE MOIETIES AS PROTON EXCHANGE MEMBRANE MATERIALS
- Chinese Journal of Polymer Science Vol. 30, Issue 4, Pages: 511-519(2012)
- Affiliations：
  
  State Key Laboratory of Fine Chemicals, Liaoning High Performance Polymer Engineering Research Center, Liaoning Key Laboratory of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
- Author bio：
  
  **Xi-gao Jian (蹇锡高), E-mail: jian4616@dl.cn
- Funds：
- DOI：10.1007/s10118-012-1129-z
  CLC：
- Received：08 August 2011，
  
  Revised：2011-10-03，
  
  Accepted：12 October 2011，
  
  Published：2012-07
- Accepted：
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Shou-hai Zhang, Juan Zhou, Xi-gao Jian. SYNTHESIS AND PROPERTIES OF SULFONATED POLY(ETHER KETONE)S CONTAINING 3,5-DIMETHYL PHTHALAZINONE MOIETIES AS PROTON EXCHANGE MEMBRANE MATERIALS[J]. Chinese Journal of Polymer Science, 2012, 30(4): 511-519.
DOI：

Shou-hai Zhang, Juan Zhou, Xi-gao Jian. SYNTHESIS AND PROPERTIES OF SULFONATED POLY(ETHER KETONE)S CONTAINING 3,5-DIMETHYL PHTHALAZINONE MOIETIES AS PROTON EXCHANGE MEMBRANE MATERIALS[J]. Chinese Journal of Polymer Science, 2012, 30(4): 511-519. DOI： 10.1007/s10118-012-1129-z.

摘要

Abstract

Sulfonated poly(ether ketone)s containing 3

5-dimethyl phthalazinone moieties (SPPEK-DMs) with different degrees of sulfonation (DS) were synthesized

via

direct polycondensation from 4-(3

5-dimethyl-4-hydroxyphenyl)-2

3-phthalazinone

4′-difluorobenzophenone and 3

3′-disulfonate-4

4′-difluorobenzophenone. The chemical structure of SPPEK-DMs was characterized by FTIR and

H-NMR. Thermal stability of SPPEK-DMs was characterized by the thermogravimetric analysis. The membranes prepared from SPPEK-DMs exhibited ion exchange capacities (IEC) ranging from 0.93 mmol·g

-1

to 1.86 mmol·g

-1

. Water uptake

swelling

oxidative stability and methanol permeability of SPPEKDMs membranes were investigated. SPPEK-DMs membranes exhibited high oxidative stability. The methanol permeability values of SPPEK-DMs membranes were in the range 5.15 × 10

-8

-6.61 × 10

-7

·s

-1

which was much lower than those of Nafion117. The proton conductivity of SPPEK-DM40 membranes was 1.1 × 10

-2

S·cm

-1

at 70℃.

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