Electrorheological cels and a method for the preparation thereof

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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252 75, 524200, 524450, 524724, 524791, 525100, 525477, C08L 300

Patent

active

054120063

ABSTRACT:
The present invention relates to an electrorheological gel comprising a curable silicone polymer, electrorheologically active particles, and a metal catalyst. The composition can further comprise an organohydrogensilicon crosslinking agent, and/or an inhibitor. The dynamic mechanical properties of the filled gel can be tuned with an electric field such that large changes in storage modulus can be achieved.

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Abstract: J04089893; Mar. 1992; A new electrorheological fluid consiting of silica particles dispersed in an electrically insulating medium contains 10-50 volume % of spherical silica particles prepared by hydrolyzing a silicon alkoxide in the presence of an alkali catalyst and drying at a temperature of up to 500 degrees centigrade.
Journal: Japanese Shiga et al., "Electroviscoelactic effect of polymeric composites consisting of polyelectrolyte particles and polymer gel" pp. 1293-1299.
Macromolecules 1993, 26, 6958-6963 "Electroviscoelastic Effect of Polymer Blends Consisting of Silicone Elastomer and Semiconducting Polymer Particles" Shiga, Okada and Kurachi.

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