With soap thickened lubricating grease on mineraloelbasis

摘要

1376835 Water-resistant greases TEXACO DEVELOPMENT CORP 15 June 1972 [12 July 1971] 27983/72 Heading C5F A water-resistant grease comprises (a) 80- 97 part by wt. of lubricating mineral oil. (b) 2-15 part by wt. of a lithium or lithiumcalcium soap and (c) 0À1-5 parts by wt. of at least one polyoxyalkylated alcohol, polyoxyalkylated alkyl phenol or polyoxyalkylated alkylene diamine. Alternative methods of making the grease are disclosed, in which component (c) (many specified), is added to a heated, preformed grease or in which the soap is formed in situ. The grease may also contain E.P. agents, e.g. naphthenates and sulphurized sperm oil; fillers, e.g. metal oxides, oxidation inhibitors, e.g. phenyl-beta-naphthylamine and diphenylamine; common inhibitors, e.g. alkali metal nitrites, and stabilizers, e.g. fatty acid esters.