Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1981-10-21

1983-09-13

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

252 6254, 360134, 360135, 360136, 427128, 4284237, 428480, 428481, 428482, 428483, 428694, 428900, 428695, G11B 570

Patent

active

044042590

ABSTRACT:
A magnetic recording medium having a substrate coated with a magnetic layer comprises a magnetic powder and a binder, essentially consisting of 40 to 80 wt. % of a polyester resin, 60 to 20 wt. % of a nitrocellulose impregnated with vinyl chloride-vinyl acetate copolymer as a protective component and a polyisocyanate.

REFERENCES:
patent: 4115290 (1978-09-01), Kubota et al.
patent: 4238548 (1980-12-01), Okuyama et al.
patent: 4357391 (1982-11-01), Hosaka

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