Electroviscous liquid

US5503763A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wolfgang Podszun · Neunburg vorm Wald, DE
• Robert Bloodworth · Neunburg vorm Wald, DE
• Gunter Oppermann · Dietzenbach, DE

Key dates

• Filing date: Mar 11, 1994
• Grant date: Apr 2, 1996
• Expiry date: Mar 11, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10M2229/0545
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to an electrorheological liquid Which consists of an organic polymer as the polarizable disperse phase, an electrically non-conductive, non-aqueous continuous phase and a dispersing agent, and in which the disperse organic polymer has an average particle diameter of between 0.2 and 30 .mu.m and a relative half width value of the particle diameter distribution of below 0.8.