| Water-activated Bacterial Cellulose-based Electrorheological Fluids and Electromechanical Response of Artificial Muscle Based on Electrorheological Fluids and Siloxane Gel |
| 关键词： |
bacterial cellulose (BC) electrorheological (ER) |
| 类 别： |
橡胶 >> 橡胶原料 |
| 来 源： |
2009高分子先进制造业论坛（青岛） |
| 资料类型： |
pdf文件 |
| 资料大小： |
184K |
| 简 介： |
Electrorheological (ER) characteristics of ER fluids (ERF) containing
bacterial cellulose (BC) particles in silicone oil was investigated as a function of
particle water content, DC electric field strength and particle concentration. It was
found that the existence of water in BC particles strongly influenced the performance
of water-activated ERF based on BC particles. Around 8.8 wt% water, yield stress
reached its maximum valve of 1118 Pa after which it decreased with increasing water
content. At the same water content, yield stress increased linearly with increasing in
either electric field strength or particle concentration. The ERF based on BC particles
was introduced into the poly (dimethylsiloxane) (PDMS) gels to prepare electric field
sensitive composite gel. Electric fields were applied to these composite gels using
flexible electrodes. Compressions of these gels with varying PDMS/ERF ratios were
confirmed by the electrode displacement. It was found that 50/50 PDMS/ERF gel
exhibited the maximum displacement of 102um at 2 kV/mm electric field. |
| 上传人： |
chem2000 |
| 上传时间： |
2009-11-05 14:28:36 |
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3 |
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