An electrorheological fluid composition comprising a dispersion of disperse-phase particles formed of a sulfonated polymer possessing aromatic rings substituted with sulfonic acid groups in an electrically non-conducting oil which electrorheological fluid is characterized by the fact that the number of sulfonic acid groups in said sulfonated polymer forming said disperse-phase particles exceeds the number of aromatic rings present in said sulfonated polymer.
一种电流变液组合物,包含由磺化聚合物形成的分散相颗粒的分散体,该磺化聚合物具有被
磺酸基团取代的芳香环,分散在不导电的油中,该电流变液的特点是形成所述分散相颗粒的所述磺化聚合物中
磺酸基团的数量超过所述磺化聚合物中芳香环的数量。