Fluorine-based magnetic fluid

Details Fluorine-based magnetic fluid Fluorine-based magnetic fluid

1997-07-28

1998-07-28

Bonner, Melissa

Compositions

Magnetic

Flaw detection or magnetic clutch

252 6254, H01F 144

Patent

active

057858829

ABSTRACT:
A fluorine-based magnetic fluid, which comprises (A) fine magnetic particles as dispersed in (D) a perfluoropolyether base oil represented by the following general formula:
where Rf is a perfluoroalkyl group by means of general formulae:

REFERENCES:
patent: 3784471 (1974-01-01), Kaiser
patent: 5718833 (1998-02-01), Yamamoto et al.
Abstract for JP 9-289110, Nov. 4, 1997.
Abstract for JP 09-260128, Oct. 3, 1997.
Abstract for JP 63-131502, Jun. 3, 1988.

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