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 | |
| 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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