Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1983-06-03

1985-04-09

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

252 6254, 360134, 360135, 360136, 427128, 427131, 428480, 428522, 428483, 428694, 428900, G11B 570

Patent

active

045102031

ABSTRACT:
A magnetic recording medium is disclosed which is comprised of a non-magnetic support having thereon a magnetic layer comprising a ferromagnetic powder dispersed in a binder. The binder is comprised of a copolymer of vinyl chloride-vinyl acetate-vinyl alcohol and a copolymer of ethylene-vinyl acetate which is graft-polymerized with vinyl chloride and, optionally, a polyisocyanate. The recording medium has excellent electromagnetic properties, running properties and durability.

REFERENCES:
patent: 4340644 (1982-07-01), Ota et al.

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