Grease for copper contact

Details Grease for copper contact Grease for copper contact

1991-11-26

1995-04-11

Medley, Margaret

Compositions

Electrolytes for electrical devices

252 463, 252 50, 252 52R, 252 56S, C10M14106

Patent

active

054055431

ABSTRACT:
The present invention provides a grease for copper electrical contacts having excellent properties which comprises polyol complex ester base oil and a specific amount of particular additives, i.e. quaternary ammonium salt-containing clay mineral, secondary aromatic amine antioxidant and a copper deactivator selected from the group consisting of benzotriazoles, thiodiazoles, and N,N'-disalicylidene- 1,2-diaminopropane. The grease according to the present invention can be applied effectively to a copper slide contact under both low temperature (ca.- 40.degree. C.) and high temperature (ca. 160.degree. C.) conditions.

REFERENCES:
patent: 3371120 (1968-02-01), Nowotny
patent: 3449248 (1969-06-01), Butcosk
patent: 3814689 (1974-06-01), Christian
patent: 4298481 (1981-11-01), Clarke
patent: 4507215 (1985-03-01), Schroeck
patent: 4522632 (1985-06-01), Horodysky et al.

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