Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1985-01-18

1987-05-12

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

252 6254, 427128, 428694, 428522, 428521, 428523, 428900, G11B 5702

Patent

active

046649816

ABSTRACT:
A magnetic recording medium having excellent electromagnetic properties and satisfactory running durability prepared by mixing a highly concentrated solution of copolymers for vinyl chloride, vinyl acetate and maleic anhydride with ferromagnetic particles and kneading them, and then adding a solution of rubber type resins and additives thereto and dispersing them, and if desired, by adding and mixing polyisocyanate compounds therewith.

REFERENCES:
patent: 4352859 (1982-10-01), Yoda
patent: 4388376 (1983-06-01), Kubota
patent: 4465737 (1984-08-01), Miyatuka
patent: 4496626 (1985-01-01), Kasuga
patent: 4537833 (1985-08-01), Kasuga

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