公开(公告)号：US10961482B2

公开(公告)日：2021-03-30

申请号：US15781038

申请日：2016-12-02

Applicant: ASAHI KASEI KABUSHIKI KAISHA

Inventor： Akio Inoue ,  Tomoko Kozono

IPC: C09K5/00 ,  C10M169/04 ,  C10M169/02 ,  A63B21/00 ,  A63B22/00 ,  C10M107/38 ,  C10M107/50 ,  C10M119/26 ,  F16F9/20 ,  F16F9/53 ,  C10M151/00 ,  G05G1/04 ,  C10M105/50 ,  G06F3/01 ,  B25J19/02 ,  G05G5/03 ,  A63F13/285 ,  A63F13/245 ,  A63F13/818 ,  C10N30/00 ,  C10N40/08 ,  C10N50/00

Abstract: An electrorheological fluid which comprises a dispersion medium containing fluorine atoms in an amount larger than 0 wt % but not larger than 50.0 wt % and particles for electrorheological fluid use that are contained in the dispersion medium in an amount of 10-50 vol % of the total volume of the dispersion medium and the particles, the particles comprising a sulfonic-acid-group-containing polymer having a sulfonic acid group content of 30-70 wt %.