37results about How to "Strong resistance to extreme pressure" patented technology

The present invention relates to a preparation method of a high-performance film-forming water-based drilling fluid system, which is characterized in that brine is used for confecting THE typical prescription of the high-performance film-forming water-based drilling fluid system, which is 10 percent of saturant NaCl solution, 1 percent to 3 percent of fluid loss additive, 0.3 percent to 0.5 percent of polymer viscosity increaser, 0.5 percent to 1 percent of coating agent, 2.5 percent to 5 percent of amine shale inhibitor, 3 percent to 4 percent of lubricant and 7 percent to 8 percent of film-forming agent. The drilling fluid system has the good performances of good film-forming character and strong inhibiting capability and is a novel drilling fluid system which can satisfy the requirement of the environmental protection and can replace oil-based drilling fluid (OBM).

The invention belongs to the technical field of lubricating oil processing, and concretely relates to a preparation method of lubricating rust-preventive oil. The preparation method comprises the following steps: phospho-tungstic acid and benzothiazoles ionic liquid are grafted to prepare an immobilized ionic liquid catalyst which is used for catalyzing a catalytic reaction of rosin borate, the lubrication anticorrosion performance of the cutting fluid is effectively increased, tallol is used as a raw material, liquid SO3 is taken as the catalyst, the material and monoethanolamine are subjected to a reaction to generate tall oil acid monoethanolamine, finally, rosin borate, tall oil acid monoethanolamine, butyl stearate, white oil, tung oil, sodium hexametaphosphate, phenoxy-1-propanol , fatty alcohol polyoxyethylene ether, sodium dodecyl benzene sulfonate, an anti-oxidant, and a bactericide are used as the raw materials to prepare the lubricating rust-preventive oil.

The invention discloses metal cutting fluid containing nanometer titania of different particle sizes and a preparation method of the metal cutting fluid. The prepared metal cutting fluid has low tapping torque and is excellent in lubricating property and low in grinding spot diameter, the wear resistance of the metal cutting fluid is excellent, the maximum non-seizure load PB value is great, the extreme pressure resistance is obvious, and the antibacterial property is outstanding. The metal cutting fluid does not contain sodium nitrite or any other substance toxic and harmful to the environment, takes vegetable oil as a main ingredient, is added with some high-efficiency additives, and is green, environmental-friendly, high-efficiency, simple in formula, excellent in antibacterial propertyand difficult to deteriorate. Due to the addition of silver-loaded graphene, silver particles are loaded among graphene sheet layers, so that the dispersion property of the graphene is further enhanced, the sheet stripping is full, and the anti-wear and friction reducing properties of the prepared cutting fluid are enhanced. Meanwhile, the cutting fluid is endowed with an antibacterial effect, the cutting fluid is difficult to deteriorate, and the storage period is prolonged.

The invention discloses efficient wear-resistant lubricating oil. The efficient wear-resistant lubricating oil is prepared from components in parts by weight as follows: 40-60 parts of base oil, 30-40 parts of chlorinated paraffin, 20-30 parts of triphenyl phosphate, 10-30 parts of nano-graphite, 10-20 parts of nano-metal oxide, 5-15 parts of nano-aluminum, 3-8 parts of sepiolite, 5-10 parts of mica powder, 2-8 parts of sodium bentonite, 4-10 parts of calcium carbonate, 1-5 parts of an antioxidant, 0.5-3 parts of an antirust agent, 0.4-0.8 parts of an antifoaming agent and 0.2-0.8 parts of a pour point depressant. According to the efficient wear-resistant lubricating oil, defects of poor stability, weak oxidation resistance and poor wear-resistant effect in the prior art can be overcome, the lubricating oil with good stability, high anti-oxidative capacity and remarkable wear-resistant effect is provided, so that mechanical wear is reduced, and service life of machinery is prolonged.

The invention discloses lubricating oil for bearings. The lubricating oil is prepared from the following components of modified base oil, succinate, dodecenylsuccinic acid ester, octyl diphenylamine, sorbitol, nanometer copper powder, lignin sodium sulphate, beta-sitosterol, cholesteryl nonanoate and poly(paraphenylene) terephthalamide. The lubricating oil disclosed by the invention is good in cooling properties and excellent in lubrication effects, and can be adapted to most application occasions, the antirust property of the lubricating oil can be greatly improved, the lubrication effects of the lubricating oil are also improved, the pour point is low, the friction coefficient of the lubricating oil at high temperature cannot be greatly changed, and the lubricating oil is high in stability, low in cost, good in viscosity index, high in abrasion resistant properties and long in service life. The lubricating oil disclosed by the invention has the characteristics of being light in color, high in polarity, good in fluidity and good in storage capability. The lubricating oil can be widely applied to mechanical lubrication, machinery can be well protected, besides, energy is saved, and consumption is reduced, so that the lubricating oil has wide application prospects.

The invention discloses eco-friendly anti-wear lubricating oil, which is made from the following components: modified base oil, succinate, a cleanup agent, octyl diphenylamine, an antifoaming agent, an anti-friction and anti-wear synergist, dodecanedioic acid, beta-sitosterol, cholesteryl nonanoate, castor oil and auxiliary additives. The lubricating oil is excellent in antioxidant corrosion resistance, anti-rust property, anti-wear property, anti-friction property, bearing property, corrosion resistance and emulsion resistance, and is high in torque, long in oil change period, reduced in waste oil, and low in price when compared with conventional lubricating oil. The lubricating oil is good in chemical stability and lubricating property and excellent in high and low temperature resistance, can be totally biodegraded and is free of toxicity. The lubricating oil causes no effect on operators' health during research and development, production and use processes, has no effect on the environment, and is a green product conforming to environmental requirements. The lubricating oil is low in production cost, simple in preparation technology, and suitable for industrial production.

The invention discloses a guide rail oil and a production method thereof. The main points of the technical solution of the present invention are: a guide rail oil, which is mainly prepared from the following components in weight percentage: base oil 75%-90%, antirust agent 1%-5%, anticorrosion agent 1% ‑5%, antioxidant 1%‑10%, fungicide 0.1%‑2%, pour point depressant 1%‑10% and anti-emulsifier 0.1%‑2%. The invention also discloses a production method of the rail oil. The invention has the characteristics of good extreme pressure performance, good emulsification resistance, long service life and excellent lubricating, cooling and antirust functions.

The invention discloses lubricating oil, with high bearing force, for an automobile absorber and relates to the technical field of automobile components. The lubricating oil, with high bearing force,for the automobile absorber is prepared from the following components in percentage by mass: 2.55-2.59 percent of camellia-seed oil-maleic anhydride copolymer and 0.012-0.014 percent of maleic anhydride modified nanometer diatomite. The lubricating oil, with high bearing force, for the automobile absorber is good in cooling performance and lubricating effect, can greatly improve the anti-rust property and the lubricating effect of the lubricating oil, is low in pour point, cannot be changed too much in friction coefficient at high temperature and is strong in stability, high in bearing abilityand low in cost.

The invention discloses a solid lubricator. The solid lubricator comprises a fixed base; a solid lubricating device is arranged on the fixed base and comprises a solid lubricating block storage box; the solid lubricating block storage box is arranged on the fixed base; a solid lubricating block is mounted in the solid lubricating block storage box; a solid lubricating block propelling device is arranged on the solid lubricating block storage box and is connected with the solid lubricating block in a resisting manner. The solid lubricator disclosed by the invention is simple in structure, green, environment-friendly, clean and sanitary, is easy and convenient to repair, replace and maintain, and is low in using cost.

The invention relates to a special gear lubricating oil high in oxidation resistance. The special gear lubricating oil is composed of, by weight, 50-70 parts of 650SN base oil, 5-15 parts of 250BS base oil, 15-25 parts of 150BS base oil, 3-6 parts of polyvinyl ether, 4-8 parts of alkyl benzene sulfonic acid, 3-7 parts of ethylene-propylene copolymer, 1-4 parts of sodium sulfite, 4-6 parts of sodium dodecyl benzene sulfonate, 2-6 parts of methyl benzoate, 0.7-2.5 parts of complex antioxidant, 2-4 parts of triethanolamine, 0.2-1.5 parts of extreme-pressure antiwear agent, 1.0-3.5 parts of metal deactivator, 1.0-3.0 parts of detergent and 1.5-3 parts of dispersing agent. The special gear lubricating oil has the advantages of excellent wear resistance, capability of bearing high temperature generated by high-speed gear rotation and engagement, excellent cooling performance, high extreme pressure resistance and applicability to engines and large machines.

The invention belongs to the technical field of recovery or processing of carboxylic ester containing waste materials, and particularly relates to a method for preparing composite lithium-calcium based grease by using waste lithium based lubricating grease as raw materials. The method comprises the following steps that A, the recovered waste lithium based lubricating grease is diluted by mineral oil until the penetration degree is 420 to 480; mechanical impurities are removed; then, 12-oxystearic acid and stearic acid are added; heating is performed to 80 DEG C; then, a calcium hydroxide watersolution is added; stirring reaction is performed for 4 to 6h under the condition of 80 DEG C to 100 DEG C; the temperature is raised to 160 DEG C; dehydration is performed until the water mass content is smaller than or equal to 0.05 percent; cooling is performed to be smaller than or equal to 60 DEG C; B, anti-oxidizing preservatives, anti-wear reagents at extreme pressure, benzotriazole and benzotriazole derivatives are added into the mixture obtained in the step A; stirring, homogenating and desaeration are performed to obtain the composite lithium-calcium based grease. The composite lithium-calcium based grease prepared by the method has excellent high temperature resistant performance, excellent compressive performance and excellent water sprinkling loss performance.

The invention discloses an extreme pressure-resistant cutting fluid, which is prepared from the following raw materials in parts by weight: 6-14 parts of barium petroleum sulfonate, 2-6 parts of oleic acid, 1.2-5 parts of sodium molybdate, 3-6 parts of diethanolamine borate-maleic anhydride complex ester, 5-11 parts of alkenyl succinic acid, 1.5-2.5 parts of film forming additive, 2-3.5 parts of sebacic acid, 1.3-3.4 parts of naphthenic oil, and 20 parts of water. The extreme pressure-resistant cutting fluid has the beneficial effects of being excellent in extreme pressure resistance, and good in cooling and lubrication functions.

The invention discloses lubricating oil for bearings. The lubricating oil is prepared from the following components of modified base oil, succinate, dodecenylsuccinic acid ester, octyl diphenylamine, sorbitol, nanometer copper powder, lignin sodium sulphate, beta-sitosterol, cholesteryl nonanoate and poly(paraphenylene) terephthalamide. The lubricating oil disclosed by the invention is good in cooling properties and excellent in lubrication effects, and can be adapted to most application occasions, the antirust property of the lubricating oil can be greatly improved, the lubrication effects of the lubricating oil are also improved, the pour point is low, the friction coefficient of the lubricating oil at high temperature cannot be greatly changed, and the lubricating oil is high in stability, low in cost, good in viscosity index, high in abrasion resistant properties and long in service life. The lubricating oil disclosed by the invention has the characteristics of being light in color, high in polarity, good in fluidity and good in storage capability. The lubricating oil can be widely applied to mechanical lubrication, machinery can be well protected, besides, energy is saved, and consumption is reduced, so that the lubricating oil has wide application prospects.

The present invention relates to a low-temperature super-heavy duty synthetic gear oil, the synthetic gear oil at least comprises the following components: extreme pressure antiwear agent, friction modifier, viscosity index improver and base oil, wherein the extreme pressure antiwear agent is at least Including oil-soluble nano-borate, the viscosity index improver includes at least modified polymethacrylate tackifier, and the friction modifier includes at least organic molybdenum; wherein the base oil includes polyalphaolefin and esters The mixed base oil of oil, the mass percentage of described mixed base oil is 78.4%, the mass percentage of described improved methacrylate tackifier is 7.5%, the mass percentage of described oil-soluble nano borate is 2%, The mass percentage of the organic molybdenum is 0.2-0.3%. The gear oil of the present invention has excellent low-temperature performance, can effectively extend the service life of the oil, and the solid borate film formed by the borate has good extreme pressure resistance, can withstand a huge load, and has excellent Anti-wear and anti-friction properties.

The invention discloses special lubricating grease for a caliper guide pin, which is prepared from the following components in parts by mass: 80 to 90 parts of base oil, 0.1 to 0.5 part of nanoscale sulfide additive, 1.65 to 3 parts of extreme pressure agent, 1 to 2 parts of corrosion inhibitor, 5.5 to 7 parts of thickening agent, 0.1 to 0.5 part of peptizing agent and 0.1 to 0.5 part of antioxidant, the nanoscale sulfide additive is one or more of copper sulfide nanoparticles, nickel sulfide nanoparticles and zinc sulfide nanoparticles, and the thickening agent is formed by compounding lithium 12-hydroxystearate, dilithium azelate and palmitic acid. The nano-scale sulfide additive is added in the formula, nano-particles are large in surface area and active in chemical property, the nano-particles and the abraded surface are prone to chemical reaction, a sediment film and a chemical reaction film are formed, and the fretting wear of the caliper guide pin can be obviously improved.