High temperature lubricant composition

An antioxidant composition for addition to a high-temperature lubricant comprises a diaromatic secondary amine, and a compound containing the phenosilazine structure <FORM:0948633/C3/1> in which, preferably, the free nitrogen valency is attached to hydrogen or an alkyl group containing up to 7...

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Bibliographic Details
Main Author JR. JOHN E. KOCH
Format Patent
LanguageEnglish
Published 22.05.1962
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:An antioxidant composition for addition to a high-temperature lubricant comprises a diaromatic secondary amine, and a compound containing the phenosilazine structure <FORM:0948633/C3/1> in which, preferably, the free nitrogen valency is attached to hydrogen or an alkyl group containing up to 7 carbon atoms and the free silicon valencies are attached to aryl groups. The preferred silicon compound is <FORM:0948633/C3/2> Suitable lubricants include esters of neopentyl glycol, 2 - butyl - 2 - ethyl - 1,3 - propanediol, 2,2,4 - trimethyl-1,3 - pentanediol, trimethylol-propane, trimethylolethane, and pentaerythritol with alkanoic acids. The amine component of the composition may be phenyl-a -naphthylamine, phenyl - b - naphthylamine, or p,p1-dioctyldiphenylamine.
Bibliography:Application Number: US19590808325