Electrorheological fluid compositions containing alkylmethylsilo

Compositions – Heat-exchange – low-freezing or pour point – or high boiling... – Organic components

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252 73, 252 79, 252572, 252573, C10M16904, C10M17100, C09K 300

Patent

active

054805732

ABSTRACT:
The present invention relates to an electrorheological fluid comprising solid particles, an alkylmethylsiloxane compound, and an organofluoro compound. Preferred solid particles include zeolite and sulfate ionomers of aminofunctional siloxanes. The ER fluids of the present invention are characterized by improved dispersion stability, enhanced lubricity, and high yield stresses.

REFERENCES:
patent: 4429345 (1984-01-01), Vincent
patent: 4645614 (1987-02-01), Goossens et al.
patent: 4812251 (1989-03-01), Stangroom
patent: 4946611 (1990-08-01), Kaneko
patent: 4994198 (1991-02-01), Chung
patent: 5032307 (1991-07-01), Carlson
patent: 5075023 (1991-12-01), Fukuyama et al.

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