Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-02-07

1987-06-16

Pianalto, Bernard D.

Stock material or miscellaneous articles

Composite

Of polyamidoester

428522, 428532, 428694, 428900, B32B 2700

Patent

active

046736220

ABSTRACT:
In a magnetic recording medium having a coating for magnetic recording formed on one side of the base and a back coating on the opposite side, the back coating consists of a nonmagnetic powder dispersed in a binder which is a combination of nitrocellulose, vinyl chloride-vinyl acetate copolymer, polyurethane, and an isocyanate compound.

REFERENCES:
patent: 3617378 (1971-11-01), Beck
patent: 4234438 (1980-11-01), Horigome et al.
patent: 4267206 (1981-05-01), Johnson

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