Magnetic recording medium having a magnetic layer comprising a s

Details Magnetic recording medium having a magnetic layer comprising a s Magnetic recording medium having a magnetic layer comprising a s

1995-04-06

1996-11-26

Resan, Stevan A.

Stock material or miscellaneous articles

Composite

Of polyamidoester

428694BU, 428694BL, 428694BA, 428900, G11B 5702

Patent

active

055783767

ABSTRACT:
A magnetic recording medium comprising a non-magnetic support having thereon a magnetic layer comprising ferromagnetic powder and a binder, the ferromagnetic powder comprising a ferromagnetic metal powder comprising Fe and having a crystal size of from 120 to 250 .ANG. and a Co content of from 5 to 40 atm %, and the binder comprises a polyurethane comprising a diol component and a polyisocyanate component, the diol component comprising a polyetherpolyol and a polyesterpolyol.

REFERENCES:
patent: 4286022 (1981-08-01), Vermillion et al.
patent: 4546044 (1985-10-01), Asano et al.
patent: 4568610 (1986-02-01), Lehner et al.
patent: 5153079 (1992-10-01), Sasaki et al.
patent: 5413862 (1995-05-01), Murata et al.
patent: 5415941 (1995-05-01), Sugyo et al.

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