Process for producing a magnetic fluid and composition therefor

Details Process for producing a magnetic fluid and composition therefor Process for producing a magnetic fluid and composition therefor

1997-10-10

2000-05-02

Koslow, C. Melissa

Compositions

Magnetic

Flaw detection or magnetic clutch

252 6254, H01F 144

Patent

active

060568895

ABSTRACT:
The invention relates to a composition and a process for producing a chemically stable magnetic fluid comprising finely divided magnetic particles covered with surfactants. A surface modifier is also employed which is added to cover thoroughly the free oxidizable exterior surface of the outer layer of the particles to assure better chemical stability of the colloid under different environmental conditions.

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