Electric actuation properties of SEBS/CB and SEBS/SWCNT nanocomposite films with different conductive fillers

Myeong Hee Kim; Soon Man Hong; Chong Min Koo

doi:10.1007/s13233-012-0011-8

Electric actuation properties of SEBS/CB and SEBS/SWCNT nanocomposite films with different conductive fillers

Myeong Hee Kim, Soon Man Hong, Chong Min Koo

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Electric actuation responses of poly(styrene-b-ethylbutylene-b-styrene) (SEBS)/carbon black (CB) and SEBS/single-wall carbon nanotube (SWCNT) nanocomposite films were investigated. The electric field-induced thickness strains and elastic energy densities of both nanocomposites increased with the conductive filler content at the low filler concentration region and then reached the maximum. A further increase of the filler concentration caused a decrease in the actuation strain. The SEBS/SWCNT showed a larger s _z value than SEBS/CB at the same filler content. Such actuation properties of the nanocomposites with conductive fillers are discussed from the perspective of dielectric constant, mechanical properties, filler shape, dispersion state, and dielectric stability.

Original language	English
Pages (from-to)	59-65
Number of pages	7
Journal	Macromolecular Research
Volume	20
Issue number	1
DOIs	https://doi.org/10.1007/s13233-012-0011-8
Publication status	Published - 2012 Jan
Externally published	Yes

Keywords

dielectric
dielectric instability
electromechanical strain
nanocomposite
single-wall carbon nanotube (SWCNT)
space charge injection

ASJC Scopus subject areas

General Chemical Engineering
Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1007/s13233-012-0011-8

Cite this

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abstract = "Electric actuation responses of poly(styrene-b-ethylbutylene-b-styrene) (SEBS)/carbon black (CB) and SEBS/single-wall carbon nanotube (SWCNT) nanocomposite films were investigated. The electric field-induced thickness strains and elastic energy densities of both nanocomposites increased with the conductive filler content at the low filler concentration region and then reached the maximum. A further increase of the filler concentration caused a decrease in the actuation strain. The SEBS/SWCNT showed a larger s z value than SEBS/CB at the same filler content. Such actuation properties of the nanocomposites with conductive fillers are discussed from the perspective of dielectric constant, mechanical properties, filler shape, dispersion state, and dielectric stability.",

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AU - Kim, Myeong Hee

AU - Hong, Soon Man

AU - Koo, Chong Min

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Y1 - 2012/1

N2 - Electric actuation responses of poly(styrene-b-ethylbutylene-b-styrene) (SEBS)/carbon black (CB) and SEBS/single-wall carbon nanotube (SWCNT) nanocomposite films were investigated. The electric field-induced thickness strains and elastic energy densities of both nanocomposites increased with the conductive filler content at the low filler concentration region and then reached the maximum. A further increase of the filler concentration caused a decrease in the actuation strain. The SEBS/SWCNT showed a larger s z value than SEBS/CB at the same filler content. Such actuation properties of the nanocomposites with conductive fillers are discussed from the perspective of dielectric constant, mechanical properties, filler shape, dispersion state, and dielectric stability.

AB - Electric actuation responses of poly(styrene-b-ethylbutylene-b-styrene) (SEBS)/carbon black (CB) and SEBS/single-wall carbon nanotube (SWCNT) nanocomposite films were investigated. The electric field-induced thickness strains and elastic energy densities of both nanocomposites increased with the conductive filler content at the low filler concentration region and then reached the maximum. A further increase of the filler concentration caused a decrease in the actuation strain. The SEBS/SWCNT showed a larger s z value than SEBS/CB at the same filler content. Such actuation properties of the nanocomposites with conductive fillers are discussed from the perspective of dielectric constant, mechanical properties, filler shape, dispersion state, and dielectric stability.

KW - dielectric

KW - dielectric instability

KW - electromechanical strain

KW - nanocomposite

KW - single-wall carbon nanotube (SWCNT)

KW - space charge injection

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Electric actuation properties of SEBS/CB and SEBS/SWCNT nanocomposite films with different conductive fillers

Abstract

Keywords

ASJC Scopus subject areas

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