High density magnetic recording medium

Details High density magnetic recording medium High density magnetic recording medium

1982-03-24

1984-01-31

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

252 6254, 360134, 360135, 360136, 427128, 428463, 428692, 428694, 428900, G11B 568

Patent

active

044290101

ABSTRACT:
A magnetic recording medium obtained by kneading ferromagnetic particles with a binder composition and coating on a non-magnetic substrate, which is characterized by that the binder composition comprises a copolymer comprising 80-89% of vinyl chloride, 5-10% of vinyl acetate and 6-10% of vinyl alcohol and a polyurethane elastomer.

REFERENCES:
patent: 4275115 (1981-06-01), Naruse
patent: 4340644 (1982-07-01), Ota
patent: 4352859 (1982-10-01), Yoda

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