Electrorheological fluid composition including hydrocarbon compo

Details Electrorheological fluid composition including hydrocarbon compo Electrorheological fluid composition including hydrocarbon compo

1997-05-19

1999-06-08

Skane, Christine

Compositions

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

Organic components

252 783, 252572, C10M16904, C10M17100

Patent

active

059102691

ABSTRACT:
An electrorheological fluid composition is composed of a dispersed phase of dielectric solid particles and a dispersion medium of an electrically insulating solution, wherein the solution is composed of 99-75% by weight of silicone oil and 1-25% by weight of an organic compound having at least one unsaturated bond. The composition generates a large shear stress even under an electric field of relatively low intensity, and the concurrent current density is small. The composition shows excellent performances also in terms of its withstanding dielectric breakdown strength under an electric field of high intensity and the fluidity and re-dispersibility in the absence of an electric field. In the meantime, the composition has high durability of the generated shear stress and the current density.

REFERENCES:
patent: 4992192 (1991-02-01), Ahmed
patent: 5032307 (1991-07-01), Carlson
patent: 5266229 (1993-11-01), Tomizawa et al.
patent: 5279754 (1994-01-01), Eusebi et al.
patent: 5326489 (1994-07-01), Asako et al.

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