Electrorheological fluid containing a base-treated polyanthine s

Details Electrorheological fluid containing a base-treated polyanthine s Electrorheological fluid containing a base-treated polyanthine s

1990-04-18

1992-04-28

Lieberman, Paul

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 73, 252572, 192 215, C09K 300, C10M16904, F16D 2500

Patent

active

051086395

ABSTRACT:
An electrorheological fluid e.g. for selectively coupling clutch members consists of silicone oil containing 30 volume % of dispersed polyaniline. The polyaniline is acidically oxidised aniline subsequently treated with base.

REFERENCES:
patent: 3984339 (1976-10-01), Takeo et al.
patent: 4687589 (1987-08-01), Block et al.
MacDiarmid et al., "Polyaniline: Interconversion of Metallic and Insulating Forms", Mol. Cryst. Liq. Cryst., vol. 121, pp. 173-180, 1985.
MacDiarmid et al.--pp. 248-249.
Salaneck et al--pp. 218-232.
Conducting Polymers, L. Alacer (ed.), R. Reidel Publishing Company 1987, pp. 105-120.
Huang et al., J. Chem Soc., Faraday Trans. 1, 1986, 82, 2385-2400.
MacDiarmid et al., Faraday Discuss, Chem Soc., 1989, 88, 317-332.
MacDiarmid et al, Synthetic Metals, 18 (1987) 285-290.
Chiang et al, Synthetic Metals, 13 (1986) 193-205.
Shenglong et al, "Polymerization of Substituted Aniline", Synthetic Metals, vol. 16, pp. 99-104, 1986.

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