Electrorheological fluid containing silica particles esterified by an alcohol-modified silicone oil
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United States of America Patent
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Jul 20, 1999
Grant Date -
N/A
app pub date -
Sep 29, 1995
filing date -
Jan 31, 1994
priority date (Note) -
Expired
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Abstract
The invention relates to an electrorheological fluid comprising fine silica particles, to which an alcohol-modified silicone oil is bonded, compounded with a nonconducting liquid, to which a polarizing agent is added as necessary. Use of fine silica particles of which the surface is modified by an alcohol-modified silicone oil according to the invention provides an electrorheological fluid which have low initial viscosity, high viscosity increase ratio and excellent dispersion stability.
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