Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34208
Title: Electrorheological behavior of side-chain polysiloxane containing 3-(4-amidophenyl) sydnone moieties
Authors: Yan, H
Chan, WL
Szeto, YS
Keywords: Conjugated polymers
Polysiloxanes
Rheology
Stimuli-sensitive polymers
Issue Date: 2004
Publisher: John Wiley & Sons
Source: Journal of applied polymer science, 2004, v. 91, no. 4, p. 2523-2528 How to cite?
Journal: Journal of applied polymer science 
Abstract: Side-chain polysiloxane containing 3-(4-amidophenyl) sydnone moieties at terminal and aliphatic spacer has been synthesized and its structure was confirmed by FTIR and 1H-NMR. Low mass molar weight sydnone exhibited electrorheological effect, which was enhanced by electron-donor substituted group at phenyl, but weakened by electron-acceptor substituted group. By introducing sydnone into polysiloxane, the polymer displays the higher electrorheological effect due to the increased interaction between sydnone molecules. The oxide states of sydnone affect the electrorheological effect as well as the color of the product. Moreover, the temperature is higher than the glass transfer temperature of the polymer; the electrorheological fluids show a very large leakage current.
URI: http://hdl.handle.net/10397/34208
ISSN: 0021-8995
EISSN: 1097-4628
DOI: 10.1002/app.13396
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