3126results about "Lubricant composition" patented technology

The invention relates to the field of intelligent preparation, and provides high-temperature-resistant and high-pressure-resistant lubricating oil and a preparation method thereof.The preparation method comprises the steps that a-olefin synthetic oil in a preset proportion is added into a blending kettle provided with a stirring device, then an antioxidant preservative, an extreme-pressure phosphorus-containing ash-free anti-wear agent and an amine high-temperature antioxidant are sequentially added into the blending kettle, stirring is conducted, and the high-temperature-resistant and high-pressure-resistant lubricating oil is obtained; the preparation method comprises the following steps: uniformly stirring at a first constant temperature to obtain a primary mixture, sequentially adding an antirust agent, a metal cleaning agent and a pour point depressant into the mixture, continuously stirring at a second constant temperature, intelligently controlling the stirring time by deeply analyzing the stirring state of the mixture in the stirring process, and finally preparing the high-temperature-resistant and high-pressure-resistant lubricating oil. Therefore, the quality and the performance of the high-temperature-resistant and high-pressure-resistant lubricating oil product can be effectively ensured.

The invention provides wear-resistant and corrosion-resistant lubricating oil and a preparation method thereof. The wear-resistant and corrosion-resistant lubricating oil is prepared from the following raw materials in parts by weight: 88-92 parts of base oil, 3-6 parts of phosphate and ammonium phosphate co-grafted graphene oxide, 0.5-1 part of a purification dispersant, 0.5-1 part of an antirust agent, 2-4 parts of an antioxidant, 0.5-1 part of a defoaming agent and 0.5-1 part of a pour point depressant. The phosphate and the ammonium phosphate are jointly grafted with the graphene oxide, and the wear resistance and the corrosion resistance of the lubricating oil are synergistically improved by utilizing the'nano bearing 'effect of a phosphate group, an ammonium phosphate group and the graphene oxide; meanwhile, by utilizing the capacity of ammonium phosphate groups for neutralizing acidic substances and the chelation of phosphate groups and combining the high specific surface area and barrier property of the graphene oxide, the anti-corrosion and anti-oxidation effects are further enhanced. Through a multifunctional synergistic effect, the problem that a traditional additive is single in function is solved, and the service life of the lubricating oil in high-temperature, high-load and extreme environments is remarkably prolonged.

The invention relates to the technical field of green manufacturing, in particular to a manufactured cutting fluid recovery treatment method based on an oil-scrap separation system, which comprises the following steps: step 1, dynamic viscosity regulation and control pretreatment; 2, gradient centrifugal separation, wherein the pretreated mixed liquid is subjected to three-stage centrifugal separation; 3, interface adsorption fine treatment is conducted, specifically, the oil liquid obtained after centrifugal separation flows through a layered variable-porosity adsorption tower, and regeneration of an adsorption material is triggered according to the pressure drop change; and step 4, optimizing closed-loop parameters, and dynamically correcting the control parameter thresholds in the steps 1-3 by collecting and processing the associated data of the process parameters and the final oil metal residual quantity. According to the method, through precise matching and dynamic adjustment of multiple steps, the separation effect can be improved to the maximum extent in the green manufacturing and cutting fluid recycling process, waste emission and resource waste are reduced, and the purposes of energy conservation and emission reduction are achieved.

The invention relates to the technical field of lubricating oil processing, in particular to a waste lubricating oil regeneration distillation device, which comprises a tank body, a jacket is arranged on the outer side of the tank body, a heating cavity is formed between the jacket and the outer wall of the tank body, and the heating cavity adopts sectional heating and comprises a first section of heating cavity, a second section of heating cavity and a third section of heating cavity which are sequentially arranged from bottom to top, a first steam inlet branch pipe, a second steam inlet branch pipe and a third steam inlet branch pipe are correspondingly connected to the upper end of each section of heating cavity, a first steam outlet branch pipe, a second steam outlet branch pipe and a third steam outlet branch pipe are correspondingly connected to the lower end of each section of heating cavity, and a stirring mechanism is arranged in the tank body and comprises a stirring shaft, a stirring rod and a stirring motor. A partition plate in the tank body divides the tank body into a heat recovery cavity and a distillation cavity, and the bottom of the partition plate is communicated with a heat collection opening. The system achieves the functions of high efficiency, energy conservation, oil film formation prevention, heat recovery, preheating and the like, has remarkable economic benefits and social benefits, and is suitable for regeneration treatment of various waste lubricating oil.

The invention relates to a chemical mechanical grinding system and method for a hard and brittle semiconductor wafer, and the chemical mechanical grinding method comprises the following steps: preparing an oil-based thermal activity-optical activity composite grinding fluid by adopting an organic thermal decomposition type oxidizing agent, an organic optical decomposition oxidizing agent, polyethylene glycol, glycerol and vegetable oil; building an ultraviolet light-diamond abrasive grinding wheel chemical mechanical grinding platform which has an ultraviolet light irradiation function and is adjustable and controllable in irradiation intensity and ultraviolet light wavelength; the chemical mechanical grinding platform and the minimal quantity lubrication liquid supply device are started, and the wafer to be machined and the diamond abrasive grinding wheel are controlled to rotate relative to each other for opposite grinding; turning on an ultraviolet light generator to accurately irradiate the thermal activity-optical activity composite grinding liquid drops on the surface of the wafer, inducing a thermal decomposition type oxidizing agent and an optical decomposition type oxidizing agent to generate active free radicals by utilizing grinding heat energy and ultraviolet light irradiation energy, and initiating a free radical oxidation reaction of a wafer surface layer material to form an oxidation layer with low interface bonding force; the oxide layer on the surface of the wafer is removed through small-load micro-cutting of the diamond abrasive, and the semiconductor wafer with the subsurface almost free of mechanical damage is efficiently obtained.

The invention belongs to the field of hydraulic oil, and particularly discloses a flame-retardant hydraulic oil composition and a preparation method thereof. The hydraulic oil composition is prepared from the following components in parts by weight: 67 to 97 parts of main base oil, 5 to 30 parts of auxiliary base oil, 1.2 to 1.5 parts of a lubricating agent, 1.5 to 2.0 parts of an antioxidant, 0.03 to 0.06 part of a corrosion inhibitor, 0.01 to 0.08 part of a demulsifying agent and 0.01 to 0.08 part of a de-foaming agent, the auxiliary base oil is one of trimethylolpropane trinonanoate, trimethylolpropane caprylic capric acid ester and trimethylolpropane caprylic laurate; the components are sequentially mixed to obtain the flame-retardant hydraulic oil. According to the invention, a specific main-auxiliary base oil system is compounded with other additives, so that the final oil product has excellent anti-oxidation characteristic, the use temperature upper limit is improved, the service life of the oil product is further prolonged, and the stability and low-temperature pumping capacity of the oil product in the use process are improved.

The invention relates to the technical field of cutting fluids, and discloses a high-temperature alloy cutting fluid and a preparation method thereof, the high-temperature alloy cutting fluid comprises the following components: 30%-50% of base oil, 5%-10% of organic alkali, 5%-10% of an antirust agent, 4%-10% of synthetic ester, 15%-20% of an anti-wear reagent at extreme pressure, 0.5%-1.5% of a corrosion inhibitor, 7%-15% of an emulsifier, 2%-4% of a bactericide, 0.05%-0.1% of a defoaming agent, and the balance of water; the extreme pressure anti-wear agent is composed of a chlorination extreme pressure anti-wear agent and a vulcanization extreme pressure anti-wear agent. According to the invention, the ester-based base oil, the organic alkali, the synthetic ester and the extreme pressure anti-wear agent composed of the chlorination extreme pressure anti-wear agent and the vulcanization extreme pressure anti-wear agent are combined to form a continuous high-strength lubricating film, and the continuous high-strength lubricating film is compounded with additives such as the organic acid antirust agent, the corrosion inhibitor and the bactericide; therefore, the antirust corrosion inhibition performance of the cutting fluid on workpieces and machine tools and the long-term use safety and environmental protection performance are improved during processing.

The invention relates to the technical field of engine lubricating oil, in particular to a methanol engine lubricating oil composition and a preparation method thereof. The methanol engine lubricating oil composition provided by the invention is prepared from the following components on the basis of the mass of the methanol engine lubricating oil composition: 80%-98% of lubricating oil base oil, 0.7%-1.2% of calcium sulfonate, 0.3%-0.5% of magnesium sulfonate, 0.5%-0.8% of an antioxidant, wear-resistant and corrosion-resistant additive and 6.0%-8.0% of an antioxidant, the antioxidant, anti-wear and anti-corrosion additive comprises zinc dialkyl dithiophosphate; the antioxidant comprises at least two of an ester compound, a phenolic compound or an amine compound. A low-ash engine oil scheme is adopted, in-cylinder abrasion and engine preignition and knocking phenomena caused by the sediment problem can be reduced, the acid neutralization capacity and the corrosion resistance can be improved, good oxidation resistance is provided under the condition that the use amount of the antioxidant and anti-wear additive is reduced, and the oil change period of an oil product is prolonged.

The invention relates to the technical field of compressor lubricating oil, and particularly discloses synthetic carbon dioxide compressor oil and a preparation method thereof. The synthetic carbon dioxide compressor oil is prepared from the following components in parts by weight: 83.5 to 99.58 parts of polyglycol ether, 0.3 to 8 parts of an antioxidant, 0.1 to 5 parts of an anti-wear reagent at extreme pressure, 0.01 to 3 parts of a corrosion inhibitor and 0.01 to 0.5 part of a de-foaming agent. According to the synthetic carbon dioxide compressor oil disclosed by the invention, the polyglycol ether is adopted as the base oil, and the antioxidant, the extreme pressure anti-wear agent, the corrosion inhibitor and the defoaming agent are added, so that the synthetic carbon dioxide compressor oil has excellent thermal stability and chemical stability, small colloid and carbon residue tendency and excellent rust and corrosion resistance. Importantly, the synthetic carbon dioxide gas compressor oil disclosed by the invention is inert to carbon dioxide gas, and is suitable for multi-stage high-pressure carbon dioxide compressors in the industries of chemical fertilizers, chemistry, food and beverage, gas production and the like.

The invention relates to the field of additives for concrete, and particularly discloses a high-performance mould-proof release agent for concrete and a preparation method of the high-performance mould-proof release agent. The high-performance mould-proof release agent for concrete comprises the following raw materials in parts by weight: 10-20 parts of dimethyl silicone oil, 10-20 parts of hydrogen-containing silicone oil, 4-8 parts of paraffin, 2-4 parts of an emulsifier, 1-4 parts of a mould inhibitor, 3-5 parts of a reinforcing component, 2-5 parts of a thickening agent and 30-50 parts of water, the emulsifier is prepared from the following raw materials in percentage by mass: 23.5 to 25 percent of Span-80, 21 to 23 percent of dodecyl benzene sulfonic acid triethanolamine salt and the balance of OP-10. The release agent has the advantages of being good in storage stability, not prone to deterioration and layering, good in release effect, long-acting in antibacterial property and capable of enabling concrete test blocks to be high in strength.

The invention relates to the technical field of lubricating oil, in particular to anti-wear and anti-attrition composite lubricating oil and a preparation method and application thereof. The anti-wear and anti-attrition composite lubricating oil is prepared from the following raw materials: base oil, an anti-wear reagent at extreme pressure, a preservative, an antioxidant, a viscosity index improver and a dispersing agent, the extreme pressure anti-wear agent is obtained by modifying layered molybdenum oxide with metal micelles formed by dodecylamine and wet and then carrying out hydrothermal treatment and vulcanization. The prepared anti-wear and anti-attrition composite lubricating oil has excellent anti-wear and anti-attrition effects and extreme pressure properties, is suitable for the lubrication requirements under high load and harsh conditions, and has a wide application prospect.

The invention discloses a high-stability antirust emulsified cutting fluid, which is composed of the following components by mass: 0.2-1% of a copper corrosion inhibitor, 5-10% of organic amine, 3-10% of an organic acid, 5-10% of an emulsifier, 35-45% of base oil, 1-3% of a preservative, 0.1-1% of an acidic corrosion inhibitor, 10-20% of a lubricating additive, 1-3% of a coupling agent, 0.5-2% of an antifoaming agent, and the balance of water. The emulsifier is composed of a nonionic surfactant and an anionic surfactant, and the acidic corrosion inhibitor is an imidazole compound. Compared with the existing emulsified cutting fluid, the emulsified cutting fluid has high stability in high-temperature, low-temperature, high-hardness water and slightly acidic systems, has good antirust, lubricating, cooling and cleaning performances, can effectively improve the processing efficiency, prolong the service life of equipment and improve the quality of workpieces, and is especially suitable for cutting of ferrous metals.

The invention provides a method for improving lubricating property and wear resistance of base oil and a method for improving dispersion stability of graphite in the base oil. A telechelic polymer is adopted, the telechelic polymer is composed of an oil-soluble central chain and two non-oil-soluble pyrene functionalized end-group chains, and the telechelic polymer can be self-assembled into a completely cross-linked, rodlike and stable gel network through pi-pi stacking interaction. The telechelic polymer is added into the base oil, so that stable oil gel can be formed, on one hand, leakage and wriggling of the base oil can be remarkably relieved, and on the other hand, the lubricating property and wear resistance of the base oil can be improved; when graphite or a derivative thereof is also added, the lubricating property and the wear resistance can be further improved, particularly when the graphite is added, the graphite can be stripped into graphene in situ under the assistance of ultrasonic waves, the cost is low, the method is simple and easy to implement, and the dispersion stability of the graphite is improved.

The invention discloses Pickering emulsion applied to concrete demolding and a preparation method thereof, and relates to the technical field of building materials. The Pickering emulsion is prepared from the following raw material components: 200 to 600 parts of base oil, 50 to 60 parts of a compound emulsifier, 50 to 60 parts of a co-emulsifier, 1 to 2 parts of a dispersed phase pour point depressing component, 0.5 to 1 part of an antioxidant, 8 to 10 parts of a continuous phase thixotropic stabilizing component, 10 to 15 parts of a color regulating agent and 500 to 550 parts of water. The Pickering emulsion has excellent concrete demoulding performance, also has concrete self-curing performance and anti-ultraviolet performance, and can effectively improve the structural strength of concrete, prolong the service life of concrete and ensure the appearance quality of concrete. The problems existing in a traditional release agent are solved, additional functionality and attractiveness are provided for concrete products, and the release agent is suitable for various building and infrastructure projects and has wide application prospects.

The invention discloses a customized generation method of a non-corrosive ionic liquid lubricant, and aims to solve the problem of negative correlation between corrosion and lubricating performance of ionic liquid in application of a metal friction pair. The ionic liquid has the characteristics of low volatility, high thermal stability and the like, but the electrochemical activity of zwitterions of the ionic liquid easily causes metal surface corrosion, and the corrosion and the lubricating property are in a negative correlation relationship. According to the method, through constructing a corrosion-lubrication multi-modal database, combining with the steps of feature engineering, collaborative prediction model training, non-corrosion formula directional generation, molecular dynamics Monte Carlo coupling verification, multi-objective optimization and the like, the whole-process intelligence from molecular structure and performance prediction to formula optimization is realized; and an ionic liquid formula with good lubricating performance and no corrosion is efficiently screened. According to the method, the research and development efficiency of the ionic liquid lubricant is remarkably improved, the research and development cost is reduced, and engineering application of the ionic liquid lubricant in key fields such as spaceflight, military industry and extreme manufacturing is promoted.

This disclosure relates to transfer plate lubricant compositions and methods of transporting open containers across stationary transfer plates.

The invention discloses high-adhesion port machine lubricating grease and a preparation method thereof, and relates to the technical field of lubricating material preparation and application, the high-adhesion port machine lubricating grease is prepared from the following components by weight: 60-80 parts of base oil, 3-5 parts of a functional copolymer, 0.1-0.6 part of Meso-tetramethyl-meso-tetra (p-aminophenyl) calix [4] pyrrole, 0.1-0.6 part of 1, 2, 4-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1 The lubricating oil comprises the following components in parts by weight: 0.3-0.5 part of 1, 3-diaminothiourea, 3-5 parts of molybdenum sulfide nanosheets, 0.5-1 part of an antirust agent, 0.1-1 part of a dispersing agent, 2-4 parts of an antioxidant and 0.3-0.6 part of modified rosin. The functional copolymer comprises a structural unit introduced by the following monomers: bis (trimethylsilylated) vinyl phosphate, 4-methyl-5-vinylthiazole, N-(4-cyano-3-trifluoromethylphenyl) methacrylamide and vinyl boronic acid pinacol ester. The lubricating grease is high in adhesive force and excellent in extreme pressure wear resistance, salt mist resistance and damp heat resistance.

The invention discloses high-performance anti-wear engine lubricating oil as well as a preparation method and application thereof. The high-performance anti-wear engine lubricating oil is prepared from the following raw materials: self-developed lubricating oil base oil, poly-alpha-olefin, zinc dialkyl dithiophosphate, calcium sulfonate, polyisobutylene succinimide, an antioxidant, polymethacrylate, an organic molybdenum complex, a de-foaming agent and a pour point depressant. The preparation method comprises the following steps: 1) synthesizing 9, 10-bis (2-tert-butyl-4-methylphenoxy) trimethylolethane stearate as base oil of the lubricating oil; and 2) mixing the base oil with other assistants to obtain the high-performance anti-wear engine lubricating oil. According to the preparation method, novel-like synthetic ester oil is firstly prepared, a phenol group and a large steric hindrance substituent group are introduced into a polymer, the anti-oxidation function is directly built in base oil molecules, meanwhile, super-strong heat resistance is achieved, and finally the high-performance anti-wear engine lubricating oil is obtained and can be applied to high-end application scenes such as aero-engines or gas turbines.

The invention relates to the technical field of lubricating oil, and provides natural gas engine lubricating oil as well as a preparation method and application thereof. The natural gas engine lubricating oil comprises the following components in parts by weight: 1-5 parts of a clearing agent, 1-15 parts of a dispersing agent, 1-10 parts of an antioxidant, 0.1-1 part of a pour point depressant, 0.01-1 part of an anti-foaming agent and 60-95 parts of base oil, the antioxidant comprises ZDDP, an amine type antioxidant and an amino thioester antioxidant according to the weight ratio of 1: (3-8): (3-8). The natural gas engine lubricating oil provided by the invention not only has good high-temperature detergency, oxidation resistance, dispersity and wear resistance through the synergistic effect of different types of antioxidants, but also has excellent nitration resistance, and can completely meet the use requirements of the natural gas engine lubricating oil, and the sulfate ash content can be controlled to be 0.4-0.6%.

The invention belongs to the technical field of hydraulic oil, and particularly discloses super-lubricity energy-saving anti-wear hydraulic oil and a preparation method thereof. The super-lubricity energy-saving anti-wear hydraulic oil is prepared from the following components in parts by weight: 75 to 90 parts of composite base oil, 5 to 7 parts of viscosity index improver, 3 to 5 parts of friction improver, 1 to 3 parts of pour point depressant, 0.005 to 2 parts of anti-rust preservative, 0.003 to 0.02 part of demulsifying agent, 0.01 to 0.03 part of anti-foaming agent, 0.05 to 1 part of clearing agent, 0.05 to 2 parts of antioxidant and 0.05 to 1.5 parts of metal deactivator, the composite base oil is composed of coal base oil, second-class base oil and alkyl naphthalene base oil according to the mass ratio of 5: 4: 1. The super-lubricity energy-saving anti-wear hydraulic oil provided by the invention is high in viscosity index, excellent in shear stability, excellent in oxidation stability, excellent in low-temperature performance and small in friction coefficient, the service life of a product is greatly prolonged, the super-lubricity energy-saving and environment-friendly performance requirements are met, and the super-lubricity energy-saving anti-wear hydraulic oil has a wide application prospect.

The invention provides a grinding fluid, the grinding fluid comprises a base fluid, a grinding material, nano-diamond and a dispersion stabilizer, the base fluid comprises polyether and silicone oil, the grinding material comprises surface modified silicon carbide particles, and the dispersion stabilizer comprises polyethylene glycol stearate and polyvinylpyrrolidone. The surface roughness of a grinding piece can be reduced, the scratch density and microcracks of the surface are reduced, damage of grinding fluid to the grinding piece is reduced or even avoided, and the service life of a cutter can be prolonged. The invention also provides a preparation method of the grinding fluid and a process method using the grinding fluid.

The present invention discloses a wire cutting fluid containing organic / inorganic additives and a preparation method thereof. The wire cutting fluid of the present invention comprises a wire cutting mother liquor containing organic / inorganic additives and water; wherein the wire cutting mother liquor containing organic / inorganic additives comprises engine oil, a primary emulsifier, an auxiliary emulsifier, a rust inhibitor, a defoamer, an organic additive, an inorganic additive and water. The cutting fluid mother liquor of the present invention is prepared by mixing a basic emulsion with organic additives and inorganic additives having synergistic effects, and is a water-based cutting fluid having the advantages of good cooling, rust prevention, electrical conductivity and low pollution.

The invention discloses a cleaning lubricant for textile machinery. The cleaning lubricant comprises the following components in percentage by weight: 6-14% of petroleum ether, 16-26% of solvent oil, 6-14% of alkane oil, 16-26% of 120 # solvent oil, 31-39% of butane gas and 1-9% of dimethyl silicone oil. The invention belongs to the technical field of textile, and particularly relates to a cleaning lubricant for textile machinery, which can clean greasy dirt and dirt on each movable part of a textile mill, a blowing workshop, a drawing workshop, a roving workshop and a spinning workshop. The cleaning lubricant has the technical effects of rust removal, lubrication, rust prevention, wear resistance and non-sticking to all movable parts during cleaning, and the lubricating period of the cleaning lubricant is long.

The invention discloses a high-salt-corrosion-resistant concrete pouring material and a preparation method thereof, and relates to the technical field of high-salt-corrosion-resistant concrete, and the high-salt-corrosion-resistant concrete pouring material comprises the following components in parts by weight: 5-10 parts of modified charcoal, 1.5-3 parts of a corrosion inhibitor, 320-360 parts of cement, 650-700 parts of river sand, 20-30 parts of silica fume, 0.3-0.6 part of super absorbent resin, and 0.2-0.8 part of a water reducing agent. According to the high-salt-corrosion-resistant concrete pouring material and the preparation method thereof, a protective film is formed on the surface of a reinforcing steel bar through the corrosion inhibitor, the anodic oxidation reaction is inhibited, the reinforcing steel bar is prevented from being corroded, eugenol releases corrosion inhibition molecules, a hydrophobic protective film is formed on the surface of the reinforcing steel bar, and electrochemical corrosion is inhibited; meanwhile, through the synergistic effect of a physical barrier and chemical passivation, the calcium-aluminum salt-eugenol composite corrosion inhibitor not only can block a corrosion path through physical film formation, but also can inhibit electrochemical reaction through chemical adsorption, so that the corrosion inhibition efficiency is improved.

The invention belongs to the technical field of emulsified oil recovery, and particularly relates to a method for recovering emulsified oil generated by preparing an alumina carrier through an oil column forming process. The emulsified oil recovery method comprises the following steps: adding ammonia water into emulsified oil, stirring, preserving heat, centrifuging, collecting upper-layer floating oil A, and removing bottom-layer water and impurities to obtain a first-stage emulsion; adding ammonia water into the primary emulsion, heating by using a heat source until the temperature is higher than 100 DEG C, then stopping heating to obtain a demulsified primary emulsion system, carrying out centrifugal treatment, collecting upper-layer floating oil B, removing bottom-layer water and impurities, and remaining a secondary emulsion; combining the collected upper-layer floating oil A and the collected upper-layer floating oil B, distilling and removing water to obtain an oil body A; carrying out vacuum distillation on the secondary emulsion to remove water, and centrifuging to remove impurities at the bottom layer to obtain an oil body B; and finally, combining the oil body A and the oil body B to obtain recovered oil. The method does not need to add organic auxiliaries such as a demulsifier, the recovery process is simple and easy to control, the treatment temperature is low, the recovered oil quality is good, and the recovery rate is high.

The invention discloses anti-attrition lubricating oil suitable for minimal quantity lubrication and a preparation method thereof, and belongs to the technical field of lubricating oil, molybdenum disulfide is nucleated and grows on the surface of porous cerium oxide nanosphere powder to form a cerium oxide and molybdenum disulfide compound, then modified silicon dioxide and tannic acid are pre-polymerized to form silicon dioxide prepolymer powder, and the silicon dioxide prepolymer powder is subjected to ball milling to obtain the anti-attrition lubricating oil suitable for minimal quantity lubrication. The preparation method comprises the following steps: taking a cerium oxide molybdenum disulfide compound as a core material, taking silicon dioxide prepolymer powder and an N-isopropylacrylamide polymer as a shell to obtain a composite temperature-sensitive microcapsule, and mixing the composite temperature-sensitive microcapsule with other raw materials to prepare the composite temperature-sensitive microcapsule. The outer-layer shell polymer chain of the composite temperature-sensitive microcapsule in the anti-attrition lubricating oil shrinks, the cerium oxide molybdenum disulfide compound inside is released, and controllable release of the inner core material is realized by using the temperature sensitivity of the shell polymer of the composite temperature-sensitive microcapsule and the external temperature change during operation.

The invention relates to the technical field of guide rail oil, in particular to a phosphorus-free environment-friendly guide rail oil composition which comprises the following components in percentage by weight: 0.2-0.8% of a composite additive; 0.1-0.3% of an antirust agent; 0.2 to 0.5 percent of an antioxidant; 0.01%-0.1% of a defoaming agent; and the balance of mineral base oil. Compared with the prior art, the non-phosphorus guide rail oil composite additive is characterized in that 1, the non-phosphorus guide rail oil composite additive is prepared from a fatty acid ester oiliness agent mixture, and the components are non-phosphorus; 2, a mercapto-thiadiazole derivative is adopted, so that a mercapto-thiadiazole protective coating is formed on a friction surface, the anti-corrosion and anti-rust effects are achieved, and the components are phosphorus-free; 3, a phenol type antioxidant is adopted as an antioxidant, so that the creeping phenomenon of a machine tool guide rail caused by loss of lubricity and astringent friction surface due to the fact that an oil product generates oxide in the operation process and colloid is adhered to the metal surface is avoided, and the component is non-phosphorus; the prepared guide rail oil is free of phosphorus, phosphorus reduction emission of enterprises is achieved, and the ecological environment of a water body is protected.

The invention relates to the technical field of metal working fluids, in particular to a degradable environment-friendly vegetable oil-based semi-synthetic cutting fluid and a preparation method thereof. The cutting fluid comprises 20-30 parts of vegetable lubricating oil, 10-20 parts of an alkali storage agent, 2-5 parts of a corrosion inhibitor, 3-5 parts of a coupling agent, 5-8 parts of a surfactant and 6-11 parts of a composite anti-rust agent, the composite anti-rust agent comprises an anti-rust agent A and an anti-rust agent B, the anti-rust agent A comprises N-[3-(dimethylamino) propyl]-N, N-dimethylformamide, and the anti-rust agent B comprises N-[3-(dimethylamino) propyl]-N, N-dimethylformamide. The antirust agent A comprises at least one of N, N ', N'-trimethyl-1, 3-propanediamine, benzotriazole, sebacic acid and 2, 4, 6-tri (aminocaproic acid)-1, 3, 5-triazine, and the antirust agent B comprises at least one of an imidazoline compound and fatty acid sarcosine ester. The cutting fluid provided by the invention has excellent corrosion resistance, rust resistance, defoaming property, biodegradability and storage stability, and has a good application prospect.

This disclosure relates to the use of di(alkyl substituted phenyl)amine antioxidants as additives in lubricant compositions having good oxidation properties in engine crankcase applications, especially in compression ignited engine and or spark ignited engine applications, where the antioxidant comprises from 0 to 15 mass% mono-C8-alkyl substituted diphenylamine antioxidants, and 85 to 100 mass% di(C8-alkyl substituted phenyl) amines based upon the weight of the mono- and di-(C8-alkyl substituted phenyl) amines particularly when used in molten form or when used in combination with a polar diluent.