Process for the preparation of magnetic particle dispersions usi

Details Process for the preparation of magnetic particle dispersions usi Process for the preparation of magnetic particle dispersions usi

1990-03-16

1992-02-04

Cashion, Jr., Merrell C.

Coating processes

Magnetic base or coating

Magnetic coating

428402, 428694, 428900, 252 6254, G11B 2300, B02C 1700

Patent

active

050858890

ABSTRACT:
Magnetic recording media are produced by dispersion of powdered magnetic material in a mixture of solvents, organic polymer binders, dispersants and further conventional additives in a stirred ball mill and subsequent aftertreatment in a ball mill containing grinding media, application of the resulting dispersion as a layer to a substrate and subsequent consolidation of the layer.

REFERENCES:
patent: 4285825 (1981-08-01), Isobe et al.
patent: 4775553 (1988-10-01), Kovacs et al.

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