47 results about "Metal working fluid" patented technology

The invention relates to the technical field of metal corrosion inhibitors, in particular to a nitrogen-containing multipurpose metal corrosion inhibitor and a preparation method thereof. The preparation method comprises the following step: carrying out ring-opening reaction on a nitrogen-containing substance and an epoxy structure substance to obtain the corrosion inhibitor. According to the preparation method, the nitrogen-containing substance and the epoxy structure substance are subjected to the ring-opening reaction, the corrosion inhibitor with excellent performance is formed, the route is easy to implement, and the cost is low. The prepared corrosion inhibitor can achieve the protection effect on various metals under the condition of low addition amount, other corrosion inhibitors or anti-rust agents do not need to be additionally added, and the corrosion inhibitor can be used for corrosion inhibition of semi-synthetic metal working fluids, emulsified metal working fluids and oily metal working fluids.

The invention relates to the technical field of temperature regulation and control, in particular to a method for dynamically regulating the preparation temperature of an ester-based metal working fluid which comprises low-carbon ester base oil, an environment-friendly emulsifier, an anti-wear reagent at extreme pressure, a low-carbon preservative, a corrosion inhibitor and an auxiliary additive. The dynamic temperature adjusting method comprises the steps that basic heating power is set for low-carbon ester base oil, and the low-carbon ester base oil is heated to a first set temperature range through PID control; an environment-friendly emulsifier adding process and an extreme pressure anti-wear agent adding process are executed respectively, temperature adjustment is carried out based on a neural network and an image monitoring system in the adding process, and the temperature is controlled to reach a third set temperature range after adding is completed; a low-carbon preservative and a corrosion inhibitor are added at the same time, and temperature adjustment is conducted through PID control in the adding process; according to the method, real-time temperature feedback and self-adaptive adjustment can be achieved, and it is ensured that the temperature of each stage is kept within the optimal range needed by the material.

The application relates to the technical field of fine chemicals, in particular to a biomimetic amphoteric surfactant as well as a preparation method and application thereof; the preparation method of the biomimetic amphoteric surfactant comprises the following steps: reacting a fatty amine polyoxyethylene ether with a halogenated hydrocarbon to obtain a benzyl quaternary ammonium salt intermediate; cooling the benzyl quaternary ammonium salt intermediate, then adding phosphorus pentoxide to react; after the addition is completed, water is added, the reaction is continuously carried out, and the biomimetic amphoteric surfactant is obtained; the biomimetic amphoteric surfactant simultaneously integrates three characteristics of phosphate anion, polyether non-ion and benzyl quaternary ammonium salt cation, effectively solves the industry problem that traditional phosphates and cationic settling agents are incompatible, and is applied to metal processing fluid, can realize stable compounding with cationic settling agents while retaining excellent extreme pressure lubricity and hard water resistance, and can replace traditional extreme pressure agents such as environmentally-unfriendly chlorinated paraffin.

The invention discloses a total-synthesis metal working fluid composite lubricant as well as a preparation method and application thereof. In the composite lubricant, a main lubricant is PIBSA polyether ester, a dispersing agent is oleyl alcohol polyoxyethylene ether 10-maleate, and a soaping agent is oleic acid; the main lubricant and the dispersing agent are respectively prepared, and are compounded with the soaping agent according to the hard water concentration. The preparation method is simple and feasible, and is suitable for large-scale production; the prepared total-synthesis metal working fluid composite lubricant has a low-foam lubrication effect, has good heat storage stability and anti-rust performance in practical application, and has great industrial application prospects.

This invention discloses a semi-synthetic metalworking fluid with rust-preventive properties and its preparation method. The fluid comprises, by mass fraction of raw materials: 25-30 parts base oil, 3-5 parts composite corrosion inhibitor, 0.1-0.3 parts non-ferrous metal corrosion inhibitor, 12-15 parts pH stabilizer, 8-11 parts main emulsifier, 3-5 parts auxiliary emulsifier, 0.8-1.5 parts calcium soap dispersant, 0.8-1.0 parts coupling agent, 2.5-3.5 parts bactericide, and 27.7-44.8 parts water. This invention utilizes a composite corrosion inhibitor of dodecyl diacid (DDDA) and triazine polycarboxylic acid derivatives, compounded in a specific ratio, to construct a dual protective mechanism of "microscopic hydrophobic adsorption" and "macroscopic chemical passivation" on the metal surface. This synergistic effect greatly enhances the density and adhesion of the protective film.

The invention discloses a corrosion-resistant cutting fluid and a preparation method thereof, and relates to the technical field of metal working fluids. The corrosion-resistant cutting fluid takes the calcium phytate, the modified graphene oxide composite dispersion liquid, the antibacterial agent, the epoxidized soybean oil modified boric acid ester and other environment-friendly components as cores, synergistically exerts rust-proof, antibacterial and lubricating effects, and is especially suitable for high-activity metal processing of 7-series aluminum alloys, magnesium alloys and the like. The preparation process is mild, the steps are simple, and the obtained product is stable in high-temperature storage, not prone to decay and long in service life and has excellent environment compatibility and industrial applicability. The corrosion-resistant cutting fluid is excellent in anti-rust performance, antibacterial performance and high-temperature stability and has a wide application prospect.

The current invention relates to a novel class of alkyl alcohol amines where the amine is a primary amine. Embodiments relate to a method of controlling microbial growth in metal working fluids, comprising adding such an alkyl alcohol amine to the metal working fluid. Other embodiments relate to semi-synthetic metal working fluid compositions which include the microbial growth control agent comprising this particular class of alkyl alcohol amines.

The present invention belongs to the technical field of metalworking fluids, and specifically relates to a heavy-load water-based lubricating cutting fluid containing ionic liquids and a preparation method thereof. The heavy-load water-based lubricating cutting fluid containing ionic liquids of the present invention is prepared from the following raw materials in parts by mass: 5 to 7 parts of organic acid, 1 to 1.5 parts of organic alcohol amine, 10 to 15 parts of synthetic ester, 1.7 to 2 parts of zinc dialkyl dithiophosphate, 0.25 to 0.75 parts of benzotriazole, 0.25 to 0.75 parts of defoaming agent, 0.5 to 1.5 parts of triethanolamine borate, 12 to 17.6 parts of polyether, 2 to 4 parts of sodium petroleum sulfonate, 2 to 3 parts of Tween, 19 to 24 parts of Spans, 1.5 to 15 parts of imidazole ionic liquids, and 5 to 15 parts of deionized water. The present invention utilizes imidazole ionic liquids to achieve an improvement in friction performance under high loads, which is manifested as a maximum no-seizure load P B The value can reach 1432N. Compared with the common commercially available lubricating cutting fluid, the tapping torque value of the present invention is significantly reduced, and the tribological performance evaluation shows that the present invention has excellent lubrication performance.

The invention belongs to the technical field of metal working fluids, and particularly relates to a high-extreme-pressure emulsified cutting fluid and a preparation method thereof. The high-extreme-pressure emulsified cutting fluid is prepared by uniformly mixing a cutting fluid working fluid and an ionic liquid at room temperature, the cutting fluid working fluid is prepared by uniformly mixing a cutting fluid stock solution and water at room temperature. The cutting fluid stock solution is prepared from the following components: tetrameric ricinoleate, pentaerythritol oleate, trimethylolpropane oleate, an emulsifier, barium petroleum sulfonate, sodium petroleum sulfonate, zinc dialkyl dithiophosphate, sebacic acid, triethanolamine, ethanolamine, a bactericide, a defoaming agent, alcohol ether carboxylic acid, benzotriazole, boric acid and the balance of water. The high-extreme-pressure emulsified cutting fluid has good lubricating property, the lubricating property and the extreme pressure property of the emulsified cutting fluid are remarkably improved by introducing the ionic liquid, and the maximum non-seizure load PB value can reach 2708N.

The present invention describes a water-based metal working fluid comprising a base oil, an organic acid, optionally emulsifiers, a concentrate additive, water and a microbial growth control agent which comprises an aminopropanediol.

The invention provides a gas-liquid heavy metal interface transport characteristic test device and test method, and belongs to the technical field of nuclear engineering. The gallium-indium-tin alloy which is in a liquid state at normal temperature is used as a liquid-phase working medium, so that the problems of high cost, toxicity, high power level and high risk of a traditional gas-liquid metal two-phase flow interface transport characteristic test device taking lead-bismuth alloy as a liquid-phase metal working medium are successfully solved; by using the gas storage bottle to switch helium and nitrogen as gas phase working media, the test can be carried out under two working conditions with great liquid-gas density ratio difference, and the influence mechanism of the density ratio effect on the interface transport characteristics can be deeply revealed.

This invention relates to the field of metalworking fluid technology, and more particularly to a cutting fluid containing nano-polytetrafluoroethylene (PTFE), its preparation method, and its application. This invention aims to solve the problems of insufficient lubrication performance, high surface roughness, rapid tool wear, and frequent grinding wheel repair in existing cutting fluids. To this end, this invention provides a cutting fluid comprising, by mass percentage, nano-polytetrafluoroethylene, an anti-wear agent, a rust inhibitor, a pH adjuster, a bactericide, a defoamer, and an aqueous medium, wherein the nano-polytetrafluoroethylene is uniformly dispersed in the liquid. Through a rational setting of the component proportions and a preparation process including step-by-step addition, stirring, pH adjustment, and filtration, the cutting fluid achieves low friction, wear resistance, rust prevention, corrosion prevention, and machining stability. When using the cutting fluid of this invention to machine aluminum, carbon steel, and stainless steel, it can significantly reduce workpiece surface roughness, extend tool life, reduce the number of grinding wheel repairs, and simultaneously ensure machining continuity and fluid stability.

The invention discloses a metal processing synthetic fluid using a plant extract as a bactericide. The metal processing synthetic fluid comprises the following raw materials: deionized water, ethanolamine, binary acid, boric acid, sodium hydroxide, dimer acid, dodecenylsuccinic acid, tall oil, sodium thiosulfate, sodium methyl cellulose and the plant extract bactericide. The plant extract bactericide is a mixture of malus hupehensis extract, wolf thorn extract and melia azedarach extract; the metal working fluid has the advantages that the efficient control on microorganisms in the metal working fluid is realized, bacteria, fungi and anaerobic bacteria can be effectively inhibited, the broad-spectrum bactericidal effect is realized, the compatibility is very good, the stability is good, the reaction with a lubricant or an anti-rust agent is avoided, the precipitation or floating oil is not generated, and the uniformity and the lubricating property of the metal working synthetic fluid are not damaged; according to the present invention, the skin irritation risk during the contact with the worker can be significantly reduced, and the product has good biodegradability, can be easily decomposed by microorganisms in the natural environment, and can easily achieve the zero emission target.

The invention discloses a method for detecting and separating a quaternary ammonium salt surfactant in a fully-synthesized metal working fluid product. The method comprises the following steps: activating a weak cation column filler by using an activating solution, and meanwhile, ensuring that a solvent always exists in a chromatographic column before loading a sample; weighing a total synthesis product containing a quaternary ammonium salt surfactant, putting the total synthesis product into a beaker, and then diluting the total synthesis product by using a solvent of an activation column filler; the sample solution is loaded onto the activated column, and the sample is sucked through the column. The column is cleaned with an impurity cleaning solution so as to remove most of acids, alkalis and other impurities, and only quaternary ammonium salt is retained in the chromatographic column; continuously cleaning the chromatographic column by using a nonionic cleaning solution so as to remove the nonionic organic compound retained in the chromatographic column; under a full vacuum condition, drying the chromatographic column for a preset time length; and eluting the quaternary ammonium salt surfactant by using the eluent, and collecting the eluent.

The present invention describes a water-based metal working fluid comprising a base oil, an organic acid, optionally emulsifiers, a concentrate additive, water and a microbial growth control agent which comprises an aminopropanediol.

The invention relates to compositions containing an anionic phosphoric ester, a non-ionic surfactant and additives, intended for applications requiring good wetting, low-foaming, anti-seize, anti-corrosion properties, among others in cleaning agents, rinse-aid agents, metalworking fluids, lubricants, anti-seize and flame-retardant HFC hydraulic fluids.

The present application relates to the technical field of additives for metalworking fluids, in particular a phenolamine additive, as well as its manufacturing process and application. The phenolamine additive comprises a compound of formula (1), a compound of formula (2), a compound of formula (3), a compound of formula (4), and a compound of formula (5). The present invention is characterized by good antimicrobial activity and high stability, and it does not produce precipitates or deposits when used in metalworking fluids.

The invention relates to the field of cutting fluid, and particularly discloses a semi-synthetic cutting fluid composition, a metal working fluid and a preparation method of the metal working fluid, and the semi-synthetic cutting fluid composition comprises mineral oil, a nonionic emulsifier, a functional additive, a pH buffering agent, a bacteriostatic agent and the balance of water. The functional additive comprises one or more of a corrosion and rust inhibitor, an oiliness agent, a lubricating extreme pressure agent and a defoaming agent; the pH buffer agent is prepared from one or more of monoethanolamine, diethanolamine, triethanolamine, triisopropanolamine, monoisopropanolamine, 2-amino-2-methyl-1-propanol, dicyclohexylamine and ethanolamine, and the pH buffer agent is prepared from one or more of the following raw materials: sodium dodecyl benzene sulfonate, sodium dodecyl benzene sulfonate, sodium dodecyl benzene sulfonate, sodium dodecyl benzene sulfonate, sodium dodecyl benzene sulfonate and sodium dodecyl benzene sulfonate; the bacteriostatic agent comprises one or more of an isothiazolinone derivative, phenoxyethanol and polyquaternium. The metal working fluid comprises the semi-synthetic cutting fluid composition, the biological stability of the field working fluid can be effectively controlled in the aluminum alloy machining process in a manner of compounding organic alkali and a specific bacteriostatic agent, the growth of bacteria or fungi can be inhibited, and the service life of the working fluid can be prolonged.

The present disclosure relates to bio-based metal working fluid (MWF) compositions and methods of making the same, and more particularly to metal working fluids containing bio-based lubricants with improved emulsion stability. At least 50 wt. % of the base oil component in the MWF concentrate is a plant-derived liquid decarboxylated rosin acid oil (“DCR”). The DCR comprises 50 to 100 wt. % of tricyclic compounds having 18-20 carbon atoms, one or more C=C groups and m / z (mass / charge) values of 220-280; an oxygen content of <5%; and an acid value of <10 mg KOH / g. The resulting MWF is characterized by comparable performance, even better performance, compared to MWFs containing only mineral oil (e.g., Group I or Group II).

The utility model relates to the technical field of metal working fluid production, and discloses a novel metal material working fluid heating and stirring reaction kettle which comprises a reaction kettle body, a feeding pipe and a stirring device extending into the reaction kettle body are arranged at the top of the reaction kettle body, and a discharging pipe is arranged at the bottom of the reaction kettle body. A solid material adding device is arranged on the side wall of the top of the reaction kettle body and comprises a cylinder communicated with the reaction kettle body, a piston cylinder is arranged in the cylinder in an attached mode, a discharging opening is formed in the bottom of the piston cylinder, and a feeding opening is formed in the end, away from the reaction kettle body, of the top of the piston cylinder. A material adding opening matched with the feeding opening is formed in the cylinder, and a push-pull device matched with the piston cylinder is arranged at one end, far away from the reaction kettle body, of the cylinder. Compared with the prior art, the reaction kettle has the advantage that solid materials can be added into the reaction kettle body in work.

The present application provides a metal working fluid composition comprising: a reaction product comprising a maleated natural oil, comprising a natural oil with maleated functionality; and a functionalized or unfunctionalized moiety selected from the group consisting of hydrophobic moieties, hydrophilic moieties, and combinations thereof. Also, the present application provides metal working fluid composition comprising a reaction product of (a) a maleated natural oil, comprising a natural oil with maleated functionality; and (b) a base. Also, the present application provides a metal working fluid composition comprising a reaction product of (a) a maleated natural oil, comprising a natural oil with maleated functionality; and (b) a functionalized or unfunctionalized moiety selected from the group consisting of hydrophobic moieties, hydrophilic moieties, and combinations thereof; wherein the maleated functionality has been partially reacted with the functionalized or unfunctionalized moiety; and (c) a base.

The utility model discloses an automatic quantitative dosing machine for metal processing, which comprises a box body and a medicine storage box, and the medicine storage box is fixed on one side of the box body; a discharging opening is formed in the bottom of the medicine storage box, a medicine adding pipe is fixed to the bottom of the discharging opening, a medicine outlet is fixed to one side of the medicine adding pipe, a push rod penetrates through the interior of the medicine adding pipe, and a rubber plug is fixed to one side of the push rod. By starting the driving motor, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the conveying assembly to rotate, the rotating wheel and the movable wheel are matched with the conveying belt, and the connecting rod is driven to rotate; materials in the box body can be conveniently mixed and stirred by the mixing blades, so that the medicament and the metal processing liquid are uniformly fused, the metal processing effect is improved, and the efficiency of the automatic quantitative dosing machine is further improved.

The invention relates to a high-efficiency emulsifier which comprises the following components in percentage by weight: 10-20wt% of a nonionic surfactant and 30-60wt% of a composite anionic surfactant, 10-30 wt% of an alkali retention agent, 10-20 wt% of isomeric alcohol polyether-13 carboxylic acid, and the balance of deionized water. The invention further relates to a preparation method and application of the efficient emulsifier. When the efficient emulsifier provided by the invention is added into the metal working fluid, especially water-based metal working fluid (such as water-based cutting fluid), the emulsifying property of the metal working fluid can be effectively guaranteed. Moreover, the metal working fluid can be compounded with a functional additive of the metal working fluid, so that a formula system of the metal working fluid can be greatly simplified, and the quality and efficiency of the production process of the metal working fluid are improved.

The invention discloses an environment-friendly long-acting antibacterial water-based cutting fluid and a preparation method thereof, and belongs to the technical field of metal working fluids. According to the cutting fluid, a carboxymethyl chitosan-synthetic ester synergistic lubrication antirust system is taken as a core, a basic protection layer is formed through adsorption of carboxymethyl chitosan on a metal surface, a hydrophobic lubrication layer is constructed through embedding of synthetic ester molecules, and a dual protection film is formed. The system is further compounded with XP978 water-soluble composite carboxylate and methylbenzotriazole to enhance the directional rust prevention capacity, sodium lauroyl sarcosine is adopted as a multifunctional component to integrate the functions of chelation, corrosion inhibition and auxiliary lubrication, the formula efficiency and stability are improved, and unification of super lubrication and broad-spectrum rust prevention is achieved. An environment-friendly efficient antibacterial agent 1, 2-benzisothiazolin-3-ketone (BIT) is introduced to generate a synergistic antibacterial effect with carboxymethyl chitosan, so that the problem that a water-based system is easy to decay is fundamentally solved, and the service life is remarkably prolonged. The cutting fluid has excellent lubricity, anti-rust property, antibacterial property, cooling property and dispersion stability, does not contain harmful substances such as sulfur, phosphorus and chlorine, is good in biodegradability, and is suitable for machining occasions of materials such as precision metal with high requirements on machining quality and environmental protection property.

The present application belongs to the technical field of metal processing fluid, and discloses a production method of an environmentally-friendly long-acting clean line cutting fluid. The method uses waste edible oil as raw material, and after pretreatment, branched fatty acids are prepared through a deoxygenation-cracking-isomerization coupling reaction and a carbonylation step, and then high-stability bio-ester base oil is generated by directional esterification of the branched fatty acids with neopentyl polyol without beta-hydrogen; intelligent slow-release antioxidant microcapsules, compounded surfactants and functional additives are compounded to form a water-based microemulsion. Through molecular structure reconstruction, intelligent material integration and green process coupling, the present application solves the industry pain points of poor long-term stability, insufficient cleaning performance and high environmental risk of plant oil-based cutting fluid, and the obtained cutting fluid has excellent oxidation stability, strong hard water resistance, good cleaning performance, long-term stable pH, high biodegradation rate, can be continuously used for 180 days without replacement, and has environmental friendliness and high performance.

The application belongs to the technical field of metal processing fluid, and discloses a low-carbon biodegradable metal processing fluid, which comprises the following components in percentage by mass: 4-6% of isopropyl alcohol amine, 1-3% of nano silicon corrosion inhibitor, 2-5% of ternary carboxylic acid rust inhibitor, 0.5-2.5% of benzotriazole, 5-10% of 182 self-emulsifying ester, 4-6% of castor oil acid, 40-60% of DOTP, 4-8% of gelberol, 2-4% of ether carboxylic acid complexing agent, 2-5% of cashew phenol polyoxyethylene ether 5EO, 4-8% of cashew phenol polyoxyethylene ether 2EO, 0.4-0.6% of potassium hydroxide, and the balance of water. The low-carbon biodegradable metal processing fluid does not contain harmful substances, has excellent environmental protection performance, has good lubricity, and can be applied to the processing of metals such as copper, aluminum and its alloys, magnesium and its alloys, and has a good application prospect.

The present invention describes a water based semi-synthetic metal working fluid comprising a base oil, an organic acid, emulsifiers, a concentrate additive, water and a microbial growth control agent which comprises an alky alcohol amine.

The utility model relates to the technical field of reaction kettles, in particular to a metal working fluid reaction kettle which comprises a base, the top of the base is fixedly connected with an installation frame, the inner bottom of an installation groove is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a lead screw, and the outer surface of the lead screw is in threaded connection with a sliding block. A second connecting column is fixedly connected to the bottom of the fixing plate, a third connecting column is fixedly connected to the interior of the kettle cover, a spring is fixedly connected to the inner bottom of the third connecting column, a rotating column is rotatably connected to the interior of the kettle cover, and a stirring column is fixedly connected to the circumferential surface of the rotating column. According to the reaction kettle disclosed by the utility model, by arranging the connecting frame, the first connecting column, the connecting plate, the second connecting column and the third connecting column, the cleaning convenience of the kettle body is improved, and by arranging the spring, the fixed frame, the rotating frame, the threaded rod and the limiting ring, the sealing performance of the kettle cover and the kettle body is enhanced.

The invention discloses a water-soluble metal working fluid centralized supply, filtration and purification combined all-in-one machine which comprises a new fluid tank and a fluid return tank, an electric control box is fixed to the front end of the new fluid tank, a main control system, an automatic proportioning module and an automatic constant-pressure fluid supply device are installed in the electric control box, and a water outlet of the automatic proportioning module is communicated with a water inlet of the new fluid tank; a water outlet of the new liquid tank is communicated with a water inlet of an automatic constant-pressure liquid supply device, a water outlet of the automatic constant-pressure liquid supply device is communicated with a water inlet of the liquid return tank, the main control system comprises an ozone generator, the ozone generator is connected with a ceramic aeration generation device through an air pipe, and the ceramic aeration generation device is installed in the liquid return tank. A stirrer extending into the new liquid tank is mounted on the new liquid tank, a drum type paper tape filter and a steel belt type oil-water separator are mounted on the liquid return tank, and a precision filter device is mounted on the outer side of the liquid return tank and communicated with the drum type paper tape filter and the liquid return tank through pipes. The problems of an automatic proportioning machine in the prior art can be solved.