1146 results about "Metal deactivator" patented technology

The present invention relates to a hydraulic-transmission- braking three-use lubricating oil composition, which is prepared by mixing the following raw materials, by weight, 85-98% of high viscosity index base oil, 0.1-5% of an extreme pressure wear resistance agent, 0.1-4% of an antioxidant, 0.1-3% of a metal deactivator/antirust agent, 0.1-5% of a friction modifier, and 0.1-2% of a dispersing agent. The hydraulic-transmission- braking three-use lubricating oil composition has beneficial effects of good low temperature fluidity, friction reduction, wear resistance, corrosion resistance, rust resistance, emulsification resistance and foaming resistance, and can meet requirements of universal hydraulic transmission oil used by large-medium-sized tractors and construction machinery so as to achieve complete lubricating protection on hydraulic parts, transmission parts, gear parts, power output parts and braking parts, such that a long service life is provided, equipment operation stability is easily improved, and energy saving and consumption reduction are provided.

This present invention discloses a method for the preparation of an improved high temperature engine lubricant composition comprising the steps of: 1) providing at least one biobased natural oil or biobased synthetic oil selected from the group consisting of natural or synthetic vegetable oil, natural or synthetic animal oil, genetically modified vegetable oil, genetically modified synthetic vegetable oil, natural or synthetic tree oil, and mixtures thereof; 2) providing at least one boron nitride; and 3) optionally, providing at least one base oil selected from the group consisting of a synthetic ester, solvent refined petroleum oil, a hydrocracked petroleum white oil, an all hydroprocessed synthetic oil, Fischer Tropsch oil, petroleum oil group I, group II, group III, a polyalphaolefin (PAO), and mixtures thereof; 4) optionally, providing at least one additive or combination of additives selected from the group consisting of anti-oxidant(s), corrosion inhibitor(s), metal deactivator(s), viscosity modifier(s), anti-wear inhibitor(s), friction modifier(s), and extreme pressure agent(s); 5) blending 1), 2), 3), and 4) in any sequence to form said composition.

This invention relates to a lubricating composition containing (a) an oil soluble phosphorus amine salt; (b) about 0.0001 wt % to about 0.5 wt % of a metal containing detergent package comprising a phenate and a sulphonate; (c) a dispersant; (d) a dispersant viscosity modifier; (e) a metal deactivator; and (f) an oil of lubricating viscosity, wherein the lubricating composition contains less than about 0.25 wt % of a metal dialkyldithiophosphate. The invention further relates to a method of lubricating a transmission by employing the lubricating composition.

The invention discloses an ethylene device quench oil viscosity reductant in inhibiting liquid viscosity intensification technical domain, which is characterized by the following: comprising with inhibitor, disperser and metal deactivator; possessing the function of aggregation inhibition, aggregation prevention and metallic surface deactivation; decreasing erosion and incrustation of quench system device; possessing little adding quantity and good stability; non-generating side effect of oil water emulsion.

The invention provides a low-temperature worm and gear lubricating grease composition. The low-temperature worm and gear lubricating grease composition consists of the following components in percentage by weight: 40.5-94.55% of synthesis base oil, 2-20% of thickening agents, 2-20% of solid lubricants, 0.5-8% of extreme-pressure anti-wear reagents, 0.5-5% of friction improvers, 0.2-2% of antirust agents, 0.05-0.5% of metal passivator and 0.2-4% of antioxidants. The invention further provides a preparation method of the low-temperature worm and gear lubricating grease composition. The low-temperature worm and gear lubricating grease provided by the invention is prepared by refining low-middle-viscosity synthesis base oil, thickening agents and a plurality of additives and has the advantages that the starting torque and the low operation torque under a low-temperature environment equal to or lower than -40 DEG C are low, meanwhile, the extreme-pressure wear resistance, the antirust and anticorrosion properties and the leak resistance are excellent, the friction coefficient is low, the output efficiency is high, and the service life is extreme long.

To provide a composition for a heat cycle system, which comprises a working fluid for heat cycle which has a low global warming potential and high stability, and which can replace R410A, and a heat cycle system employing the composition.

A composition for a heat cycle system, which comprises a working fluid for heat cycle containing 1,2-difluoroethylene, and a stabilizer for preventing deterioration of the working fluid for heat cycle, such as an oxidation resistance-improving agent, a heat resistance-improving agent or a metal deactivator, and a heat cycle system employing the composition for a heat cycle system.

The invention discloses a lubricating oil composition and use thereof, wherein the lubricating oil composition comprises 40-80 wt% of mineral oil, 10-50 wt% of oily agent, 4-10 wt% of emulsifying agent, 1-5 wt% of inhibitor, 2-5 wt% of antiwearing agent, 0.1-1.0 wt% of solubility promoter, 0.1-2.0 wt% of anti-oxidizing agent, and 0-0.5 wt% of metallic deactivator.

A universal oil composition for gear contains mineral lubricating oil or synthetic lubricating oil or their mixture, at least one viscosity index improver and/or pour depressor, at least one S-contained extreme-pressure agent, at least one P-contained antiwear agent, phosphate-type multi-effect agent, oil agent (1-hydroxyethylene-1, 1-biphosphonate), and at least one metallic deactivator and/or antirust agent.

The invention relates to an air compressor oil composition, which comprises the following components in percentage by weight: 1.5 to 5 percent of antioxidant, 0.03 to 0.5 percent of ashless antirust agent, 0.01 to 0.5 percent of metal deactivator, 0.01 to 1 percent of ashless antiwear agent, 0.001 to 0.01 percent of anti-foaming agent and the balance of base oil, wherein the base oil is prepared by mixing poly alpha-olefin with ester oil in a weight ratio of 7-9:3-1 or mixing hydrogenated oil with the ester oil in the weight ratio of 7-9:3-1; and the antioxidant is the mixture of dialkylaniline, high-molecular thioether phenol and 4,4-methylenedi(2,6-di-tert-butyl phenol) in the weight ratio of 1:0.1-10:0.1-10. The air compressor oil composition has the advantages of excellent high-temperature anti-oxidation stability, anti-carbon deposition property, abrasive resistance, obvious energy-saving effect, good cost performance and low cost.

The invention discloses a cold-rolled sheet drawing oil composition to solve the defect of poor lubricating property nowadays, which is characterized by the following: this compositing includes 60-90 mass percent polyatomic alcohol ester oiliness agent, 0.5-5.0 mass percent non-ionic high molecular surfactant, 2.0-15.0 mass percent non-ionic ester ether type surfactant, 0.53-15 mass percent sulfide extreme pressure antiwear agent and 0.51-5 mass percent metal deactivator. This drawing oil possesses good lubricating property, milling train clean property and good annealing peace and quiet property.

The invention provides environment-friendly insulating oil which takes vegetable oil as the raw material, and has high flash point and anti-oxidation stability, consists essentially of triglyceride and antioxidant, and also contains a metal deactivator in the further technical proposal. The environment-friendly insulating oil is prepared by refinement by taking vegetable oil as the raw material, does not contain toxic substances, dose not cause damage to environment and human body, and can be rapidly and thoroughly biodegraded, is environment-friendly insulating liquid, and can be applied in places with requirement of high fireproof performance as the flash point and the fire point thereof are both higher than 300 DEG C; the risk of fire and explosion is far lower than that of the traditional transformer oil; and all other performance indexes fully conform to the national standard GB 2536-90 of mineral transformer oil.

The invention provides air compressor oil which comprises the following components in parts by weight: 75-94 parts of synthetic hydrocarbon base oil, 5-20 parts of synthetic ester base oil and 1-5 parts of functional additive, wherein the functional additive comprises a purification dispersant, an antiwear agent, a metal deactivator, an antirust agent, an antioxidant, a pour point depressant, a demulsifying agent and an anti-foaming agent. The invention provides a preparation method of the air compressor oil. The preparation method comprises the step of mixing the synthetic hydrocarbon base oil, the synthetic ester base oil and the functional additive at the temperature of 60-80DEG C to obtain the air compressor oil. According to the air compressor oil provided by the invention, the synthetic oil is used as the base oil and the compound type functional additive is added, so that the air compressor oil provided by the invention has low oil sludge property. In addition, the air compressor oil provided by the invention also has the advantages of better thermal oxidation stability, low-temperature fluidity and higher viscosity index, and the use requirement of an air compressor is met.

A composite oil for worm gear set contains mineral lubricating oil, at least one pour depressor and/or viscosity index improver chosen from polymethylacrylate, poly-alpha-olefin, alkylnaphthalene, etc, at least one S-contained extreme pressure agent and/or P-contained extreme-pressure antiwear agent, at least one oil agent or friction improver, at least one phenol-type or amine-type antioxidizing agent, at least one phenyltriazole or thiabiazole type metallic deactivator, and at least one poly-alcohol-ether type antiemulsifying agent.

A compressor lubricant composition providing energy savings and exhibiting excellent oxidation stability is provided. The composition comprises (i) 80 to 99.999 weight percent of an isomerized base oil; and (ii) 0.001-20 weight percent of at least an additive selected from an additive package, oxidation inhibitors, pour point depressants, metal deactivators, metal passivators, anti-foaming agents, friction modifiers, anti-wear agents, and mixtures thereof; wherein the isomerized base oil has consecutive numbers of carbon atoms, less than 0.05 wt. % aromatics, a ratio of molecules with monocycloparaffinic functionality to molecules with multicyloparaffinic functionality greater than 2. In one embodiment, compressors employing the lubricant composition with isomerized base oil consumes at least 1% less power than compressors employing the lubricant compositions of the prior art.

The invention discloses a silicane crosslinked low-retraction polyethylene plastic and its preparation method and use, wherein the constituents include linear low density polyethylene, low density polyethylene, high-density polyethylene, ethylene copolymerized resin, silicane cross linking agent, hydroperoxides cross linking agent, processing auxiliary agent, anti-oxidant, metal deactivator and catalyst.

The invention discloses ash-free anti-wear hydraulic oil. The ash-free anti-wear hydraulic oil consists of the following components in percentage by weight: 92 to 97 percent of base oil, 0.5 to 3 percent of ash-free extreme-pressure anti-wear additive, 0.01 to 2 percent of metal deactivator, 0.01 to 0.05 percent of purification dispersant, 0.1 to 1.0 percent of antioxidant, 0.5 to 1.0 percent of antioxidant preservative, 0.01 to 0.08 percent of antirusting agent, 0.1 to 1.0 percent of viscosity index improver and 0.01 to 0.05 percent of anti-foaming agent, wherein the base oil is steam turbine oil with relatively high oxidation stability and emulsification resistance; the ash-free extreme-pressure anti-wear additive is at least one of S-P-N, S-P and P type ash-free extreme-pressure anti-wear additives; and the purification dispersant is DT-6 sulfurized calcium alkyl phenolate. The ash-free anti-wear hydraulic oil has high wear resistance, oxidation resistance, hydrolytic stability and rust resistance, can meet the requirement of high abrasion resistance of vane pumps, and can also meet the requirement of low corrosivity of plunger pumps.

The invention relates to a gear oil composition and applications thereof, mainly solving problems of abnormal gear wear and poor oxidation stability of an oil product which are caused by that the extreme pressure property of industrial gear oil in the prior art fails to satisfy a part of using requirements of the metallurgy industry. According to the technical scheme adopted by the gear oil composition, the gear oil composition comprises following components by weight: a) 100 parts of mineral base oil; b) 0.1-10.0 parts of an anti-wear reagent at extreme pressure; c) 0.01-2.0 parts of an antioxidant; d) 0.01-0.5 part of a metal deactivator and e) 0.01-1.5 parts of an oiliness agent, wherein the anti-wear reagent at extreme pressure is a mixture of sulfurized isobutylene and at least one selected from sulfurized olefin, phenyl sulfide, sulfurized aliphatic ester or amine thiophosphate diester; and the antioxidant is at least one selected from 2,6-di(tertbutyl)-p-cresol, 3.5-di(tertbutyl)-4-hydroxy phenyl acrylate, pentaerythrite tetra[beta-(3,5-di-tert-butyl-4-hydroxyphenyl)-propionate], N-phenyl-1-naphthylamine or alkylated diphenylamine. By the technical scheme, the problems are solved well and the gear oil composition can be used for industrial production.

The invention provides a screw air compressor oil composition. The screw air compressor oil composition comprises the following components in percentage by weight: 75wt%-94wt% of synthetic hydrocarbon base oil, 5wt%-20wt% of synthetic ester base oil and 1wt%-5wt% of functional additives, wherein the functional additives include one or more of an anti-wear agent, a metal deactivator, a rust inhibitor, an antioxidant, a pour point depressant, a demulsifying agent, an anti-foaming agent and an acid scavenger. By taking mixed hydrocarbon oil of the synthetic hydrocarbon base oil and the synthetic ester base oil as the base oil and simultaneously adding functional additives, the obtained screw air compressor oil composition is not easily oxidized and degraded in a use process, and the changes of the dynamic viscosity and the acid value are relatively small, so that the corrosion to units of an air compressor can be reduced, and the safe operation of the screw air compressor is guaranteed.

The invention provides a compressor oil compound which comprises the following materials on the basis that the weight of base oil is 100 percent: (1) a main amount of hydrogenization mineral oil base oil; (2) 1 to 15 weight percent of ashless dispersant; (3) 0.01 to 1 weight percent of the combination of half-hindered phenolic antioxidant or amine antioxidant and half-hindered phenolic antioxidant; (4) 0.05 to 2 weight percent of antiwear additive; (5) 0.01 to 0.5 weight percent of friction modifier; (6) 0.01 to 0.2 weight percent of metal passivator; and (7) 0 to 1000ppm of antifoamer. The compressor oil has the advantages of high viscosity index, excellent lubricating property and good oxidative stability.

The present invention is a lubricant or functional fluid additive for a polyolefin oil blend, comprising a mixture of: (a) an anti-wear component consisting essentially of 95% isopropylated triarylphosphate and 5% dodecyl phosphate, the dodecyl phosphate being only partially esterified, the anti-wear component present in the polyolefin oil blend in a range of from about 0.75 percent to about 2.00 percent by weight; (b) an antioxidant component selected from the group consisting of alkylated phenyl-alpha-naphthylamine, phenyl-alpha-naphthylamine and mixtures thereof, and present in the polyolefin oil blend in a range of from about 0.75 percent to about 2.00 percent by weight; (c) an anti-rust component comprising an alkylated succinic acid ester anti-rust agent, and present in the polyolefin oil blend in a range of from about 0.050 percent to about 0.125 percent by weight; and (d) a metal deactivator component comprising a tolytriazole derivative, and present in the polyolefin oil blend in a range of from about 0.050 percent to about 0.125 percent by weight.

The invention provides a curable electrodepositable coating composition that has improved durability in the presence of metal ions. The coating composition includes one or more ungelled, active hydrogen-containing ionic salt group-containing resins which are electrodepositable on an electrode, one or more curing agents, and one or more metal deactivators.

The related composite poly-soap self-repair bearing lubricating grease comprises the basic liquid, composite calcium sulfonate, composite Ca-Li-base thickener, non-oxidizing anti-corrosion additive, metal deactivator, tungsten disulfide extreme pressure additive, wear-well additive, self-repair additive, and structural modifier; has well anti-oxidation ability and bearing capacity, can repair wore part on condition of extreme pressure and high temperature to supply the silver-plating lacking on bearing radial surface effectively, prolongs bearing service time on maximum limit, and has special application in oil drilling exploration.

The invention relates to a ship steam turbine lubricating oil composition. The ship steam turbine lubricating oil composition is characterized by comprising the following components in weight percent: 0.3-1.5% of antioxidant, 0.03-0.2% of rust inhibitor, 0.03-1% of wear-resistant agent, 0.003-0.1% of demulsifier, 0.001-0.1% of anti-foaming agent, 0.02-0.1% of metal deactivator and base oil in balancing amount. Through a direct liquid rustiness test (synthetic seawater, 24 h), the ship steam turbine lubricating oil composition is rustless; after distilled water is added at 90 DEG C and stirred for half an hour, the direct liquid rustiness test (synthetic seawater, 24 h) is further performed on a separated oil layer, and the ship steam turbine lubricating oil composition is still rustless; the anti-emulsification time in a steam method is less than 180 s; the FZG invalid level is greater than 12; the viscosity level is ISOVG68, anti-foaming performance is less than 65-65-65/0 (mL/mL); air is released for less than 8min; and the TOST oxidation life is longer than 10,000 h.

Disclosed is a lubricant composition comprising a) a lubricant, b) a triazole metal deactivator, c) a borate ester and optionally d) an amine phosphate. The lubricants, e.g. engine oils or functional fluids exhibit low corrosion of lead, copper, iron and zinc. The metal deactivators are 1,2,4-triazoles, for example 1-(di-isooctylaminomethyl)-1,2,4-triazole or 1-(di-(2-ethylhexyl)aminomethyl)-1,2,4-triazole, or are benzotriazoles, for example 1-(2-methoxyprop-2-yl)tolyltriazole, 1-(1-cyclohexyloxypropyl)tolyltriazole, 1-(1-cyclohexyloxyheptyl)tolyltriazole or 1-(1-cyclohexyloxybutyl)tolyltriazole or 1-[bis(2-ethylhexyl)aminomethyl-4-methylbenzotriazole. The borate esters are for example triethyl borate, tripropyl borate, triisopropyle borate, tributyl borate, tripentyl borate, trihexyl borate, tricyclohexyl borate, trioctyl borate, triisooctyl borate, tridecyl borate, tri(C₈C₁₀) borate, tri (C₁₂-C₁₅) borate or oleyl borate. The amine phosphate are for example

wherein R₃₃ is n-hexyl and R₃₄ is C₁₁-C₁₄ branched alkyl, and when x=1 then y=2; when x=2 then y=1.