Powder metallurgy lubricant composition and methods for using sa

Details Powder metallurgy lubricant composition and methods for using sa Powder metallurgy lubricant composition and methods for using sa

1994-08-12

1996-05-21

McAvoy, Ellen M.

Compositions

Electrolytes for electrical devices

252 25, 252 52A, 252 52R, 252 56R, C10M10500, C10M12500

Patent

active

055186394

ABSTRACT:
The present invention provides lubricant compositions for the powder metallurgical field. The lubricant compositions contain a solid phase lubricant such as graphite, molybdenum disulfide, and polytetrafluoroethylene in combination with a liquid phase lubricant that is a binder for the solid phase lubricant. The binder can be chosen from various classes of compounds including polyethylene glycols, polyethylene glycol esters, partial esters of C.sub.3-6 polyhydric alcohols, polyvinyl esters, and polyvinyl pyrrolidones. The binder is solubilized in an organic solvent.

REFERENCES:
patent: 3879301 (1975-04-01), Cairns
patent: 3994814 (1976-11-01), Cairns
patent: 4242211 (1980-12-01), Nagura
patent: 4715972 (1987-12-01), Pacholke
patent: 4892669 (1990-01-01), Marcora et al.

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