Lubricant composition

Details Lubricant composition Lubricant composition

1995-09-22

1998-01-20

Medley, Margaret

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

Lubricants or separants for moving solid surfaces and...

Inorganic compound

508157, 508163, C10M12524, C10M12528, C10M11512

Patent

active

057101124

ABSTRACT:
A lubricant composition comprising from 0.1 to 10% by weight of a phosphate glass, characterized in that said phosphate glass comprises from 45 to 75 mole % of P.sub.2 O.sub.5, from 10 to 35 mole % of M.sub.2 O (M represents alkaline metals) and from 0 to 45 mole % of B.sub.2 O.sub.3. Phosphate glasses are in the form of powder with white to ash-colored appearance, and do not cause dirt of working surroundings. Phosphate glasses are less expensive than solid lubricants which are conventionally used, and also excellent load carrying capacity can be attained by adding a small amount of phosphate glass to a lubricant composition. Accordingly, the lubricant composition of the present invention shows better load carrying capacity than a conventional lubricant composition.

REFERENCES:
patent: 3368970 (1968-02-01), Grunze et al.
patent: 3907692 (1975-09-01), Ullman et al.
patent: 3912639 (1975-10-01), Adams
patent: 3912643 (1975-10-01), Adams
patent: 3912644 (1975-10-01), Adams
patent: 4068513 (1978-01-01), Guerit et al.
patent: 4100080 (1978-07-01), Adams
patent: 4554084 (1985-11-01), Lonne et al.
patent: 5576272 (1996-11-01), Okawa et al.

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