Tunable polymer actuators via a simple and versatile blending approach

Hee La Kwak, Kieyong Cho, Seunggun Yu, Kyung Youl Baek, Jong Chan Lee, Soon Man Hong, Chong Min Koo

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The physical and electromechanical properties of poly(vinylidenefluoride- co-trifluoroethylene) (P(VDF-TrFE))/poly(methylmethacrylate-b- dodecylmethacrylate-b-methylmethacrylate) (P(MMA-b-DDMA-b-MMA)) triblock copolymer blends were investigated. The P(VDF-TrFE)/P(MMA-b-DDMA-b-MMA) blend formed a well mixed and microphase-separated morphology in which the P(VDF-TrFE) was selectively miscible with the PMMA end blocks in the P(MMA-b-DDMA-b-MMA) triblock copolymer owing to the strong chemical affinity, not with the PDDMA middle block in the P(MMA-b-DDMA-b-MMA) block copolymer. The blends could manipulate the various nanostructures, such as hexagonal cylinder, lamellar, and micellar structures, according to the composition. The dielectric properties, tensile modulus, and electric actuation properties of the blends were easily tuned by simply changing the composition of the blend. It was found that the blend approach using a block copolymer serves as an easy and versatile way to fabricate the tunable polymer actuators.

Original languageEnglish
Pages (from-to)547-554
Number of pages8
JournalSensors and Actuators, B: Chemical
Volume174
DOIs
Publication statusPublished - 2012 Nov 1
Externally publishedYes

Fingerprint

Block copolymers
Polymers
Actuators
actuators
Methylmethacrylate
polymers
block copolymers
copolymers
Polymethyl Methacrylate
Chemical analysis
Dielectric properties
Nanostructures
Elastic moduli
actuation
affinity
dielectric properties
physical properties
trifluoroethene

Keywords

  • Actuator
  • Block copolymer
  • Dielectric
  • P(VDF-TrFE)
  • Polymer blend

ASJC Scopus subject areas

  • Instrumentation
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Tunable polymer actuators via a simple and versatile blending approach. / Kwak, Hee La; Cho, Kieyong; Yu, Seunggun; Baek, Kyung Youl; Lee, Jong Chan; Hong, Soon Man; Koo, Chong Min.

In: Sensors and Actuators, B: Chemical, Vol. 174, 01.11.2012, p. 547-554.

Research output: Contribution to journalArticle

Kwak, Hee La ; Cho, Kieyong ; Yu, Seunggun ; Baek, Kyung Youl ; Lee, Jong Chan ; Hong, Soon Man ; Koo, Chong Min. / Tunable polymer actuators via a simple and versatile blending approach. In: Sensors and Actuators, B: Chemical. 2012 ; Vol. 174. pp. 547-554.
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