Lubricant and magnetic recording medium comprising the same

Details Lubricant and magnetic recording medium comprising the same Lubricant and magnetic recording medium comprising the same

1999-02-10

2000-08-15

McAvoy, Ellen M.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic -co- compound

508497, 508509, 560192, 560227, 428422, 428695, C01M13112, G11B 572

Patent

active

061036773

ABSTRACT:
A lubricant containing a fluorinated dicarboxylic acid of the formula: A.sup.1 --COO--R.sup.1 --Rf--R.sup.2 --OCO--A.sup.2 in which Rf is a divalent perfluoropolyether group; R.sup.1 and R.sup.2 are the same or different and represent a hydrocarbon group; and A.sup.1 and A.sup.2 are the same or different and represent an organic group having a carboxyl group, which allows two solid materials, for example, a magnetic recording medium and a magnetic head, to slide with low wearing at a low friction under various conditions.

REFERENCES:
patent: 4569962 (1986-02-01), Burguette et al.
patent: 4671999 (1987-06-01), Burguette et al.
patent: 4705699 (1987-11-01), Burguette et al.
patent: 5750747 (1998-05-01), Furutani et al.
patent: 5759968 (1998-06-01), Furutani et al.
patent: 5962117 (1999-10-01), Furutani et al.
patent: 5965496 (1999-10-01), Yamana et al.

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