Abstract:
A thin adhesive lubricating composition that can cover at least one thread and a screwing abutment of a threaded element of a component of a tubular threaded joint. The screwing abutment can bear against another abutment of another component of the tubular threaded joint in a terminal make up phase. The lubricating composition includes a matrix in which there is dispersed at least one braking additive selected to impart thereto, in addition to lubrication, a coefficient of friction to make it possible to obtain a torque on shoulder resistance value at least equal to a threshold value.
Abstract:
To provide a water-based lubricant for plastic working excellent in moisture absorption resistance and corrosion resistance, with which degradation in lubricating performances such as lubricity, workability and seizure resistance may not occur even under high-temperature/high humidity environments.A water-based lubricant for plastic working, comprising a resin component containing a copolymer or homopolymer of monomers having an ethylenically unsaturated bond, including at least maleic anhydride (A), an inorganic component (B), and a solid lubricating component (C), wherein maleic anhydride moieties of the resin component (A) are blocked with a nitrogen-containing compound at a blocking ratio of 10 to 80%, and unblocked maleic anhydride moieties are neutralized with an alkaline component at a degree of neutralization of 40 to 100%.
Abstract:
The disclosure relates to a lubricant composition including: (a) an organomolybdenum compound, (b) one or more anti-wear and extreme pressure additives chosen from thia(di)azoles, (c) one or more phosphorus-containing or phosphor-sulfur-containing anti-wear and extreme pressure additives chosen from phosphites, phosphates, phosphonates, thiophosphates or thiophosphites, the lubricant composition having a weight content of molybdenum between 90 and 350 ppm. This is used for lubrication of gear boxes.
Abstract:
The present invention relates to a lubricating composition containing an alkali metal borate. The invention further provides for a method of lubricating a device with grease or a metalworking fluid by employing the lubricating composition containing the alkali metal borate.
Abstract:
A protective agent block including metal soap; and boron nitride, wherein the weight ratio Mr of boron nitride to the metal soap is calculated from the relationship 1 based on Raman spectrum measured at each of multiple places on the protective agent block and the average of the measured weight ratios Mr ranges from 0.050 to 0.330 with a variation coefficient of 0.075 or less: Mr=(log(ABN/ASP)+1.3588)/7.7374 Relationship 1 where ABN represents a peak area in a range of from a wavenumber of 1377.837 cm−1 to 1354.695 cm−1 and ASP represents a peak area in a range of from a wavenumber of 1481.012 cm−1 to 1420.264 cm−1.
Abstract:
The invention relates to lubricating grease compositions having a base oil mixture based on oils having viscosities (ISO VG 2 to ISO VG 1500) that are standard for industrial lubricants, an ionic liquid, a thickening agent, e.g., based on a polyurea compound and conventional additives that can be used at current service temperatures that are higher than 120° C. to 260° C., in particular at a service temperature in the region of high service temperatures that are higher than 180° C. to 260° C. and also at low temperatures as low as −60° C. The invention also relates to a method for producing said type of lubricating grease compositions.
Abstract:
A lubricating composition comprising: (i) from 50% to 99% by weight of base oil; (ii) from 0.01% to 5% by weight of ionic liquid; and (iii) from 0.01% to 10% by weight of additive; wherein the lubricating composition has a pour point of at most −54° C., a flashpoint of at least 246° C. and a kinematic viscosity at 100° C. in the range of from 4.9 to 5.4 mm2/s. The lubricating compositions according to the present invention are suitable for use in turbine engine oils and are useful for reducing the build up of sludge and for reducing coking in the lubricating composition.
Abstract:
Disclosed are additive compositions for transmission oils comprising an oil dispersion of a hydrated alkali metal borate and an oil dispersion of hexagonal boron nitride, as well as lubricating oil compositions containing the same.
Abstract:
The invention relates to compositions containing a basic oil or base oil, 10 to 50 percent by weight of ether pyrrolidone carboxylic acids of formula (1) or the salts thereof of formula (1), wherein R1 represents C8-C30-alkyl, C8-C30-alkenyl, C6-C30-alyl, C7-C30-alkylaryl, M represents hydrogen, alkali metal, alkaline earth metal, or ammonium, X represents C2-C6-alkylene, or a poly(oxyalkylene) group of formula (2), wherein l is a number ranging from 1 to 50, m, n are numbers ranging from 0 to 50 independently of l and independently of one another, R2, R3, and R4 independently represent hydrogen, CH3, or CH2CH3, Y represents C2-C6-alkylene, said compositions further containing a specific amount of a pH regulator/neutralizer such that a 5 percent by weight emulsion of the composition in deionized water has a pH ranging from 7 to 11.
Abstract:
A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity, and (b) an oil-soluble tetra-functional hydrolyzable silane compound of the general formula Si—X4 or a hydrolysis product thereof, wherein each X is independently a hydroxyl-containing group, hydrocarbyloxy-containing group, acyloxy-containing group, amino-containing group, monoalkyl amino-containing group or a dialkyl amino-containing group, and further wherein the lubricating oil composition is free of any zinc dialkyl dithiophosphate.