# Sulfonated Poly(Phenylene Sulfone)s Ionomers

https://mdr.nims.go.jp/datasets/d61e44a1-e0f3-4059-a8cd-ab9338a671a0

## File

- [KIM_Jedeok_Japan_Thermec2025_proceedings.pdf](https://mdr.nims.go.jp/filesets/fc1fc2b0-c81e-4879-8e12-7642a275e751/download) ([Detail](https://mdr.nims.go.jp/filesets/fc1fc2b0-c81e-4879-8e12-7642a275e751.md))

## Id

d61e44a1-e0f3-4059-a8cd-ab9338a671a0

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2026-01-20T04:41:49.487952Z

## Updated at

2026-01-20T07:30:24.374094Z

## Published at

2026-01-20T23:21:34.524819Z

## Doi

https://doi.org/10.48505/nims.6151

## First published url

https://doi.org/10.4028/p-61ktiv

## Date published

2026-01-16

## Recorded date published



## Resource type

journal_article

## Manuscript type

accepted_manuscript

## Collection



## Title

- title: Sulfonated Poly(Phenylene Sulfone)s Ionomers
  title_type: original
  lang: en

## Description

- description: SPPSU(2S) and SPPSU(4S) ionomers with two and four sulfonic acid groups
    per PPSU unit were synthesized and characterized. SPPSU(2S) ionomers were synthesized
    and characterized by varying the acid type, sulfonation temperature, and time.
    Mild sulfuric acid was suitable for sulfonation of PPSU(2S). The IEC, molecular
    weight, and viscosity of SPPSU(2S) ionomers were 3.42–5.15 meq/g, 150,000–430,000,
    and 50–80 mPa·s, respectively, depending on the synthesis conditions. The tensile
    strength of SPPSU(2S) ionomer membranes was higher than that of Nafion membrane,
    the tensile elongation was lower than that of Nafion membrane, and the elastic
    modulus was higher than that of Nafion membrane. The conductivity of SPPSU(2S)
    ionomer membranes was similar to that of Nafion212 membrane. On the other hand,
    SPPSU(4S) ionomer was synthesized by monomers. The IEC and molecular weight of
    SPPSU(4S) ionomer were 5.6 meq/g and 303,203. The viscosity of SPPSU(4S) ionomer
    was higher than that of SPPSU(2S) ionomer. The stress-strain properties of SPPSU(4S)
    ionomer membrane showed a slightly higher elastic modulus than Nafion membrane,
    but the tensile strength and tensile elongation were similar to those of Nafion
    membrane. In addition, the conductivity of SPPSU(4S) ionomer membrane was higher
    than that of SPPSU(2S) and Nafion membranes. The above characteristics of SPPSU(2S)
    and SPPSU(4S) ionomer membranes are expected to be used as ionomer electrolytes
    for energy devices.
  description_type: abstract
  lang: und

## Creator

- name: Jedeok Kim
  role: author
  orcid: https://orcid.org/0000-0003-4301-1044

## Contact agent



## Publisher

organization: Trans Tech Publications, Ltd.

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## Keyword

- subject: Hydrocarbon SPPSU ionomer
  schema: not_defined
- subject: PPSU
  schema: not_defined
- subject: Sulfonated poly(phenylene sulfone)s (SPPSU)
  schema: not_defined
- subject: Electrolytes
  schema: not_defined
- subject: High ion exchange capacity (IEC)
  schema: not_defined
- subject: Membranes
  schema: not_defined
- subject: PEMFCs
  schema: not_defined

## Rights

- identifier: http://rightsstatements.org/vocab/InC/1.0/

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## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Key Engineering Materials
  issn: '16629795'
  volume: '1039'
  start_page: 47
  end_page: 52

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## Fileset

- id: fc1fc2b0-c81e-4879-8e12-7642a275e751
  filename: KIM_Jedeok_Japan_Thermec2025_proceedings.pdf
  content_type: application/pdf
  size: 446302
  md5: 1ca70ca0185f960a7b359d498f70b53c

## Thumbnail

fileset_id: fc1fc2b0-c81e-4879-8e12-7642a275e751
filename: KIM_Jedeok_Japan_Thermec2025_proceedings.pdf