Magnetic recording medium having a lubricant layer comprising io

Details Magnetic recording medium having a lubricant layer comprising io Magnetic recording medium having a lubricant layer comprising io

1994-07-05

1996-03-12

Resan, Stevan A.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428336, 428421, 428422, 428694TF, 428900, G11B 500

Patent

active

054984572

ABSTRACT:
A highly reliable rotary magnetic recording medium has a lubricating film layer on its surface, the lubricating film layer being composed of fluoropolyether having at least two acidic functional groups in one molecule as a lubricant and fluoropolyether having at least two basic functional groups in one molecule as another lubricant, where a stable network structure is formed on the surface of the magnetic recording medium by an appropriate combination of the lubricant having the acidic groups at the terminal ends of lubricant molecule and the lubricant having the basic groups at the terminal ends of lubricant molecule.

REFERENCES:
patent: 3778308 (1973-12-01), Roller et al.
patent: 3919719 (1975-11-01), Wright et al.
patent: 4268556 (1981-05-01), Pedrotty
patent: 5037710 (1991-08-01), Frew et al.
patent: 5091249 (1992-02-01), Nishikawa et al.
patent: 5091269 (1992-02-01), Kondo et al.
patent: 5093211 (1992-03-01), Kudo et al.
patent: 5137784 (1992-08-01), Suzuki et al.

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