Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1982-09-22

1983-12-27

Pianalto, Bernard D.

Stock material or miscellaneous articles

Composite

Of polyamidoester

428522, 428532, 428694, 428900, H01F 1002

Patent

active

044231156

ABSTRACT:
A magnetic recording medium, consisting of a base coated with a magnetic coating material, uses as a binder a polyurethane resin having a metal sulfonate group, a vinyl chloride-vinyl acetate copolymer containing not less than 8% vinyl alcohol on the basis of the total binder weight, and nitrocellulose, in which magnetic particles are dispersed. The binder may contain an isocyanate compound as a crosslinking agent for added particle dispersibility.

REFERENCES:
patent: 4234438 (1980-11-01), Horigome et al.

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