Method of manufacturing particle colloid or a magnetic fluid con

Details Method of manufacturing particle colloid or a magnetic fluid con Method of manufacturing particle colloid or a magnetic fluid con

1990-12-18

1992-08-11

Willis, Jr., Prince

Compositions

Magnetic

Chromium or chromium compound containing

252 6252, H01F 128

Patent

active

051376520

ABSTRACT:
A compound containing nitrogen is introduced into a solvent in which a metal carbonyl and a surface active agent are dissolved, and the solution is heated to generate a particle colloid or a magnetic fluid of a metal nitride. A particle colloid of a metal nitride with an even grain size, a good dispersibilitgy and a good fluidity, and a magnetic fluid thereof with an excellent properties are obtained with convenience and at high efficiency.

REFERENCES:
patent: 2872292 (1959-02-01), Altmann
patent: 4025448 (1977-05-01), Sudol

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