Polymeric materials to self-regulate the level of polar activato

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

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252 73, 252 75, 252572, C10M17100, C10M16904

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active

058433317

ABSTRACT:
Electrorheological systems of improved temperature range are obtained by including within the system a solid polymer insoluble in a low molecular weight activating material and in the hydrophobic medium of the fluid. The polymer contains hydrophilic functionality, and in the polymer a portion of the low molecular weight polar activating material is sorbed in an amount which reversibly increases with increasing temperature.

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