Thermal annealing effects on the physical properties of styrenic pentablock ionomers and their electromechanical responses

Jang Woo Lee, Jin Hong Lee, Minho Kim, Soon Man Hong, Chong Min Koo

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Thermal annealing effect on the physical properties of two ionic (poly((t-butyl-styrene)-b-(ethylener -propylene)-b-(styrene-r -styrene sulfonate)-b-(ethylene-r -propylene)-b-(t-butyl-styrene))) (SSPB) pentablock copolymers with different ion exchange capacities (IEC; 1.5 and 2.0 meq/g) and their electromechanical responses in ionic polymer-metal composite (IPMC) devices have been investigated. The ionic SSPB formed the microphase-separated morphology on the several tens nanometer scale and the selectively sulfonated styrene middle blocks formed the ionic channels through which ions can pass in the membrane. The thermal annealing at a high temperature led to the well developed interconnectivity between adjacent ionic channels, and thus enhanced the ion conductivity and mechanical strength of membranes, resulting in an actuation enhancement of the SSPB-based ionic actuator.

Original languageEnglish
Pages (from-to)3606-3610
Number of pages5
JournalJournal of Nanoscience and Nanotechnology
Volume13
Issue number5
DOIs
Publication statusPublished - 2013 May 1
Externally publishedYes

Fingerprint

Styrene
Ionomers
styrenes
Physical properties
Hot Temperature
physical properties
Annealing
annealing
propylene
Ion Channels
Propylene
Ions
membranes
Membranes
ions
Ion Exchange
sulfonates
actuation
Strength of materials
Ion exchange

Keywords

  • Actuator
  • Annealing effect
  • Ionic polymer-metal composites (IPMC)
  • Sulfonated styrenic pentablock copolymer

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Thermal annealing effects on the physical properties of styrenic pentablock ionomers and their electromechanical responses. / Lee, Jang Woo; Lee, Jin Hong; Kim, Minho; Hong, Soon Man; Koo, Chong Min.

In: Journal of Nanoscience and Nanotechnology, Vol. 13, No. 5, 01.05.2013, p. 3606-3610.

Research output: Contribution to journalArticle

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AU - Koo, Chong Min

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