Suif onated polyimide and poly (ethylene glycol) diacrylate based semi-interpenetrating polymer network membranes for fuel cells

Seokkyu Lee, Wonbong Jang, Seunghyuk Choi, Kannan Tharanikkarasu, Yonggun Shul, Haksoo Han

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Semi-interpenetrating polymer network (semi-IPN) membranes based on novel sulfonated polyimide (SPI) and poly (ethylene glycol) diacrylate (PEGDA) have been prepared for the fuel cell applications. SPI was synthesized from 1, 4, 5, 8-naphthalenetetracarboxylic dianhydride, 4, 4'-diaminobiphenyl 2, 2'-disulfonic acid, and 2-bis [4-(4-aminophenoxy) phenyl] hexafluoropropane. PEGDA was polymerized in the presence of SPI to synthesize semiIPN membranes of different ionic contents. These membranes were characterized by determining, ion exchange capacity, water uptake, water stability, proton conductivity, and thermal stability. The proton conductivity of the membranes increased with increasing PEGDA content in the order of 10-1 S cm-1 at 90°C. These interpenetrating network membranes showed higher water stability than the pure acid polyirnide membrane. This study shows that semi-IPN SPI membranes based on PEGDA which gives hydrophilic group and structural stability can be available candidates comparable to Nation® 117 over 70°C.

Original languageEnglish
Pages (from-to)2965-2972
Number of pages8
JournalJournal of Applied Polymer Science
Volume104
Issue number5
DOIs
Publication statusPublished - 2007 Jun 5

Fingerprint

Interpenetrating polymer networks
Polyimides
Polyethylene glycols
Fuel cells
Membranes
Proton conductivity
Water
Acids
poly(ethylene glycol)diacrylate
Ion exchange
Thermodynamic stability

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

Cite this

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title = "Suif onated polyimide and poly (ethylene glycol) diacrylate based semi-interpenetrating polymer network membranes for fuel cells",
abstract = "Semi-interpenetrating polymer network (semi-IPN) membranes based on novel sulfonated polyimide (SPI) and poly (ethylene glycol) diacrylate (PEGDA) have been prepared for the fuel cell applications. SPI was synthesized from 1, 4, 5, 8-naphthalenetetracarboxylic dianhydride, 4, 4'-diaminobiphenyl 2, 2'-disulfonic acid, and 2-bis [4-(4-aminophenoxy) phenyl] hexafluoropropane. PEGDA was polymerized in the presence of SPI to synthesize semiIPN membranes of different ionic contents. These membranes were characterized by determining, ion exchange capacity, water uptake, water stability, proton conductivity, and thermal stability. The proton conductivity of the membranes increased with increasing PEGDA content in the order of 10-1 S cm-1 at 90°C. These interpenetrating network membranes showed higher water stability than the pure acid polyirnide membrane. This study shows that semi-IPN SPI membranes based on PEGDA which gives hydrophilic group and structural stability can be available candidates comparable to Nation{\circledR} 117 over 70°C.",
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Suif onated polyimide and poly (ethylene glycol) diacrylate based semi-interpenetrating polymer network membranes for fuel cells. / Lee, Seokkyu; Jang, Wonbong; Choi, Seunghyuk; Tharanikkarasu, Kannan; Shul, Yonggun; Han, Haksoo.

In: Journal of Applied Polymer Science, Vol. 104, No. 5, 05.06.2007, p. 2965-2972.

Research output: Contribution to journalArticle

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AU - Lee, Seokkyu

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AU - Tharanikkarasu, Kannan

AU - Shul, Yonggun

AU - Han, Haksoo

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