ELECTRORHEOLOGY AND CREEP-RECOVERY BEHAVIOR OF CONDUCTING POLYTHIOPHENE/POLY(OXYMETHYLENE)-BLEND SUSPENSIONS

Ozlem Erol; H. Ibrahim Unal; Bekir Sari

doi:10.1007/s10118-012-1091-9

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ELECTRORHEOLOGY AND CREEP-RECOVERY BEHAVIOR OF CONDUCTING POLYTHIOPHENE/POLY(OXYMETHYLENE)-BLEND SUSPENSIONS

Paper | Updated：2023-01-03

- ELECTRORHEOLOGY AND CREEP-RECOVERY BEHAVIOR OF CONDUCTING POLYTHIOPHENE/POLY(OXYMETHYLENE)-BLEND SUSPENSIONS
- Chinese Journal of Polymer Science Vol. 30, Issue 1, Pages: 16-25(2012)
- Affiliations：
  
  Smart Materials Research Lab, Chemistry Department, Gazi University, Ankara, Turkey
- Author bio：
  
  **H. Ibrahim Unal, E-mail: hiunal@gazi.edu.tr
- Funds：
- DOI：10.1007/s10118-012-1091-9
  CLC：
- Received：14 January 2011，
  
  Revised：2011-03-21，
  
  Accepted：22 March 2011，
  
  Published：2012-01
- Accepted：
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Ozlem Erol, H. Ibrahim Unal, Bekir Sari. ELECTRORHEOLOGY AND CREEP-RECOVERY BEHAVIOR OF CONDUCTING POLYTHIOPHENE/POLY(OXYMETHYLENE)-BLEND SUSPENSIONS[J]. Chinese Journal of Polymer Science, 2012, 30(1): 16-25.
DOI：

Ozlem Erol, H. Ibrahim Unal, Bekir Sari. ELECTRORHEOLOGY AND CREEP-RECOVERY BEHAVIOR OF CONDUCTING POLYTHIOPHENE/POLY(OXYMETHYLENE)-BLEND SUSPENSIONS[J]. Chinese Journal of Polymer Science, 2012, 30(1): 16-25. DOI： 10.1007/s10118-012-1091-9.

摘要

Abstract

Electrorheological properties and creep-recovery behavior of polythiophene/polyoxymethylene-blend having PT(50%)/POM(50%) composition were investigated. Particle size

conductivity and dielectric values were measured to be 24.77 μm

3.85 × 10

-5

S·m

-1

and 26.75

respectively. Sedimentation ratio was measured to be 64% at the end of 16 days. The effects of dispersed particle volume fraction

external electric field strength

shear rate

frequency and temperature on ER properties and storage modulus of PT/POM-blend/silicone oil (SO) suspensions were examined. Enhancement were observed in the electric field viscosities of the suspensions and thus they were classified as a smart material. Shear thinning non-Newtonian viscoelastic behavior was determined for PT/POM-blend/SO system. Further

time-dependent deformation was examined by creep-recovery tests and recoverable viscoelastic deformation established.

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