Preparation of a magnetic dispersion

Details Preparation of a magnetic dispersion Preparation of a magnetic dispersion

1983-05-05

1986-10-28

Demers, Arthur P.

Compositions

Magnetic

With wax, bitumen, resin, or gum

252 6253, 427 48, 427128, 428323, 428328, 428329, 428695, 428900, H01F 126, C04B 3504

Patent

active

046197770

ABSTRACT:
A magnetic dispersion which can be applied to a non-magnetic base to produce a recording medium is prepared by dispersing a magnetically anisotropic material in a polymer binder and in an organic solvent by a method wherein the magnetically anisotropic material is worked in a jet mill before and/or during dispersing.

REFERENCES:
patent: 4267203 (1981-05-01), Motz et al.
patent: 4308155 (1981-12-01), Tada et al.
patent: 4474848 (1984-10-01), Yamaguchi
Perry Chemical Engineer's Handbook 5th Ed. 1976, pp. 43 to 44.
Defazetaktuell 26th Year, No. 5, 1972, pp. 255-259.

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