Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1998-05-21

2000-09-26

Thibodeau, Paul

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428328, 428694BP, 428900, 428329, B32B 302, B32B 516, G11B 570

Patent

active

061240133

ABSTRACT:
The present invention provides a magnetic recording medium for high density recording, which has very good repeated running durability and excellent storage stability under high temperature and high humidity conditions. The magnetic recording medium comprises a magnetic layer having ferromagnetic powder and a binder dispersed therein, said magnetic layer being provided on a non-magnetic support, whereby said magnetic layer contains a diester compound expressed by a chemical formula (1) given below: ##STR1## where R.sup.1 and R.sup.2 each represents a saturated hydrocarbon group having 5 to 21 carbon atoms, and at least one substance selected from a group of organic phosphorus compounds expressed by the chemical formulae (2) to (4): ##STR2## where R represents a substituted or unsubstituted alkyl group, alkenyl group or aryl group, and n represents 1 or 2, and M represents a hydrogen atom, an alkali metal or an alkali earth metal.

REFERENCES:
patent: 4197357 (1980-04-01), Huisman
patent: 4420532 (1983-12-01), Yamaguchi et al.
patent: 4474848 (1984-10-01), Yamaguchi et al.
patent: 4713293 (1987-12-01), Asano et al.
patent: 4748084 (1988-05-01), Hata et al.
patent: 4952458 (1990-08-01), Miyoshi et al.
patent: 4985314 (1991-01-01), Merriam et al.
patent: 5049448 (1991-09-01), Ohya et al.
patent: 5053289 (1991-10-01), Nishikawa et al.
patent: 5061564 (1991-10-01), Ohya et al.
patent: 5091268 (1992-02-01), Nishikawa et al.
patent: 5112680 (1992-05-01), Inaba et al.
patent: 5126202 (1992-06-01), Inaba et al.
patent: 5336559 (1994-08-01), Yamagishi et al.
patent: 5397826 (1995-03-01), Wexler
patent: 5436070 (1995-07-01), Schroer et al.
patent: 5688591 (1997-11-01), Kuwajima et al.

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