Graphite-containing lubricant composition

Details Graphite-containing lubricant composition Graphite-containing lubricant composition

C - Chemistry, Metallurgy

10

M

253/105, 253/14

C10M 103/02 (2006.01) C10M 133/04 (2006.01) C10M 169/04 (2006.01)

Patent

CA 2027208

A B S T R A C T Graphite-containing lubricant composition. A lubricant composition for use in threaded tube and pipe connections comprises from 10 to 70% by weight of pure, crystalline, graphite and from 0.1% to 10% by weight (cal- culated of graphite) of a special additive in the form of strongly polarisable or ionisable organic compounds like e.g. amines, amine salts, metal-amine complexes, combina- tions of amines with polymers, polymeric amines, ammonium compounds, alkylsulphates, organic phosphates, phosphonates and sulphonates. The balance is formed by a supporting vehicle such as an oil or grease. In this composition, the performance characteristics of the graphite have been improved by the special additive such that it can be used for lubricating and sealing threaded tube and pipe connec- tions under conditions of extreme pressure.

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