Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-09-14

1988-03-01

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

427128, 427131, 427132, 4284259, 428480, 428694, 428900, 428532, G11B 5704, G11B 5706

Patent

active

047285770

ABSTRACT:
A magnetic recording medium is disclosed which comprises a non-magnetic support having coated thereon a magnetic layer comprising a magnetic substance and a binder comprising a cellulose derivative, a polyurethane resin and a polyisocyanate, the non-magnetic support having a heat shrinkage of about 0.15% or less and the water content of the medium being at least about 0.35% by weight.

REFERENCES:
patent: 3501344 (1970-03-01), Watson
patent: 4112187 (1978-09-01), Asakura
patent: 4275107 (1981-06-01), Burtkus
patent: 4316927 (1982-02-01), Kimura
patent: 4411956 (1983-10-01), Matsufuji
patent: 4431700 (1984-02-01), Yamada
patent: 4439486 (1984-03-01), Yamada
patent: 4497865 (1985-02-01), Minami
patent: 4499121 (1985-02-01), Yamaguchi
patent: 4587170 (1986-05-01), Hanai

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