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The effects of particle conductivity on the electrorheological properties of functionalized MCNT-coated doublet-shaped anisotropic microspheres

Title
The effects of particle conductivity on the electrorheological properties of functionalized MCNT-coated doublet-shaped anisotropic microspheres
Author
김진웅
Keywords
electrorheological fluids; conductivity; anisotropic particles
Issue Date
2012-04
Publisher
THE POLYMER SOCIETY OF KOREA
Citation
Macromolecular research, 2012, 20(4), P.391-396
Abstract
This study describes the effect of conductivity on the electrorheological (ER) behavior of anisotropic particle suspensions. Anisotropic microparticles were prepared by two-step seeded polymerization. To control the particle conductivity, functionalized multi-wall carbon nanotubes were coated on the particle surface via a layer-by-layer (LBL) method. Particle conductivity increased with layer numbers and the yield stress of the fluids increased with increasing electric field strength. However, the yield stress decreased when suspended particle conductivity increased. Although high conductivity allowed high particle polarization ability, field-induced ER fluid viscoelastic properties decreased.
URI
https://link.springer.com/article/10.1007%2Fs13233-012-0035-0http://hdl.handle.net/20.500.11754/46871
ISSN
1598-5032
DOI
10.1007/s13233-012-0035-0
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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