Abstract:
Certain diol-phosphorus oxyhalide-boron compound reaction products have been found to have antioxidant and antifriction properties and to hinder the corrosion of copper surfaces.
Abstract:
A lubricant composition comprising a base fluid having the general formulaF[CF(CF.sub.3)CF.sub.2 O].sub.n CHFCF.sub.3wherein n is an integer, and a corrosion inhibiting amount of an aromatic phosphine with perfluorinated polyalkylether substituents having the general formula ##STR1## wherein R.sub.f OR.sub.f -- is a perfluoroalkylether group containing at least one ether linkage.
Abstract translation:一种润滑剂组合物,其包含具有通式F [CF(CF 3)CF 2 O] n CHFCF 3的基础流体,其中n为整数,并且具有通式为“IMAGE”的具有全氟化聚烷基醚取代基的芳族膦的腐蚀抑制量,其中RfORf-为 含有至少一个醚键的全氟烷基醚基团。
Abstract:
Lubricants stabilized against oxidative degradation by the incorporation therein of 2,3-dihydroperimidine derivatives as well as certain 2,3-dihydroperimidines within the indicated group.
Abstract:
The invention herein is concerned with new compositions of matter made by (1) reacting phosphorus pentasulfide with an amide and (2) reacting this product with a nitrogen-containing compound, and lubricant compositions containing same. The compositions reduce friction to a greater extent than lubricants containing no additive and, when placed in lubricating oils and used in an internal combustion engine, fuel consumption is reduced.
Abstract:
Antioxidant additives for lubricating oil are prepared by (1) combining a polar solvent, an acidic molybdenum compound and an oil-soluble basic nitrogen compound to form molybdenum-containing complex and (2) contacting said complex with carbon disulfide to form a sulfur-and molybdenum-containing composition.
Abstract:
The present invention relates to the use, as hydraulic fluids or metalworking lubricants, of compositions having water as a base and improved extreme pressure lubricating and wear-preventing characteristics. The hydraulic fluids of the invention are nonflammable and comprise a synergistic combination of a phosphate ester and a sulfur-containing compound. The compositions can be thickened, if desired, using a polyglycol type thickener and can contain additives known to the art such as defoamers and corrosion inhibitors. Stable concentrates comprising the phosphate ester and sulfur-containing compound can be prepared.
Abstract:
An alkyl phenol having from about 20 to about 300 carbon atoms, formaldehyde and trishydroxymethylaminomethane are reacted and the resulting product is then reacted with boric acid, dialkyl phosphonate or a diaryl phosphonate to produce the corresponding borate or phosphonate derivatives. These derivatives are particularly useful as detergents in organic media such as lubricating oils, greases, fuels, heat-exchange fluids and transmission fluids.
Abstract:
A lubricant suitable for all the current specifications for turbine engines for supersonic transport aircraft is based on a hindered ester (e.g. PB 520) and contains an alkylated aromatic amine antioxidant, a copper passivator, and a neutral phosphate and an amine salt of a dialkyl hydrogen phosphate as load carrying additives. Optionally the lubricant may also contain a hydrolytic stability improver, a dispersant polymer, a lead corrosion inhibitor and a dialkyl phosphite load carrying additive.
Abstract:
A LUBRICATING COMPOSITION HAVING IMPROVED LOW-WEAR PROPERTIES IS DISCLOSED AND COMPRISES A MIXTURE OF AN OIL OF LUBRICATING VISCOSITY AND A BISPHOSPHORAMIDE HAVING THE STRUCTURE:
WHEREIN: X IS THE SAME OR DIFFERENT NITROGEN OR OXYGEN; Y IS THE SAME OR DIFFERENT OXYGEN, SULFUR OR NITROGEN AND NITROGEN WHEN BOTH X''S ARE OXYGEN; R IS A HYDROCARBYLENE OR DIHYDROCARBYLENE HAVING FROM 2 TO 13 CARBON ATOMS; R1 IS A HYDROCARBYL HAVING FROM 1 TO 24 CARBONS; R2 IS THE SAME OR DIFFERENT R1 OR A HYDROCARBYLENE HAVING FROM 2 TO 18 CARBON ATOMS WITH ONE END OF EACH R2 BONDING TO THE OTHER R2 OR TO SAID R DIHYDROCARBYLENE; N IS 1 WHEN Y IS OXYGEN OR SULFUR AND 2 WHEN Y IS NITROGEN; AND M IS N-1.
Abstract:
DETERGENTS FOR LUBRICATING OILS ARE PREPARED BY REACTING A MIXTURE OF A PHOSPHOSULFURIZED POLYOLEFIN AND AN ALKYL PHENOL SULFIDE OR AN ALKYLPHENOL WITH AN ALKANOL SOLUTION OF AN ALKOXIDE OF MAGNESIUM OR A CARBONATED ALKOXIDE OF MAGNESIUM.