546 results about "Triethanolamine oleate" patented technology

The invention relates to a multi-effect water-based composite cutting/grinding fluid which consists of water-soluble oil, cleaning agent, extreme pressure antiwear agent, antirust, antibacterial agent, complexant, solubilizer and anstatic agent. The water-soluble oil is the mixture of aminoethyl alcohol and triethanolamine oleate, the cleaning agent is anionic surfactant or nonionic surfactant, the extreme pressure antiwear agent is one or two of additives A, B, C, D, E and F, the antirust is benzotriazole and sodium benzoate, the antibacterial agent is boric acid and borax, the complexant is EDTA and the solubilizer is urea. The cutting/grinding fluid with various improved performances is non-toxic and tasteless, is an environment-friendly product and has no harm to human body and the skin of users; the operating cycle is normally more than 6 months.

The invention discloses a metal bearing water-based cleaning agent and a preparation method and application thereof. The cleaning agent comprises the following components in percentage by mass: 2 to 8 percent of fatty alcohol polyoxyethylene ether, 2 to 8 percent of alkylphenol polyoxyethylene ether, 3 to 10 percent of fatty acid alkanolamide, 5 to 25 percent of triethanolamine oleate, 10 to 22 percent of triethanolamine, 5 to 18 percent of monoethanolamine, 0.5 to 3 percent of alkyl sodium sulfonate, 0.01 to 0.5 percent of benzotriazole, 1 to 2 percent of disodium ethylene diaminetetraacetate and 3.5 to 71.49 percent of water. During use, the cleaning agent is prepared into 2 to 10 percent working solution, and a bearing part is ultrasonically cleaned, rinsed, subjected to spray washing and dried to meet the cleaning degree standard and the finished product vibration value standard. The product is environment-friendly, does not influence a bearing material, is prepared from readily available raw materials, has low cost, can replace the conventional cleaning gasoline and kerosene, reduces the potential safety hazard, avoids environmental pollution, and saves energy.

The invention provides a light-weight and high-strength magnesium oxysulfate foamed plate which is obtained with magnesium oxysulfate as a cementing material. The foamed plate is prepared from, by weight, 40-50 parts of light-calcined magnesia, 40-50 parts of a magnesium sulfate heptahydrate solution, 1.5-3 parts of a modifying agent, 5-6 parts of a foaming agent, 1.5-2.5 parts of foam stabilizer, 1-2 parts of a waterproof agent, 0.5-1 part of a water reducing agent and 2-3 parts of polypropylene fibers. The modifying agent is prepared from one or more of citric acid, boric acid, phosphoric acid and sodium citrate. The foaming agent is hydrogen peroxide with the mass concentration being 25-30%. The foam stabilizer is triethanolamine oleate aqueous emulsion with the mass concentration being 8-10%. The absolute dry bulk density of the magnesium sulfate foamed plate is lower than 200 kg/m<3>, the absolute dry comprehensive strength is 0.7 MPa or above, a heat conduction coefficient is lower than 0.045 W/(m.K), the magnesium sulfate foamed plate has the advantages of being light in weight, high in strength, good in hole structure, good in heat-preserving and sound insulating effect, free of active magnesia and good in fire resistance and having no corrosion effect on metal, and the light-weight and high-strength magnesium oxysulfate foamed plate is particularly suitable for serving as a fireproof door and internal wall heat-preserving and heat-insulating material. The invention further provides a preparation method of the magnesium oxysulfate foamed plate.

The invention discloses an antibacterial aerated brick, which is characterized by being made from the following raw materials by weight part: 7-9 of cement, 14-16 of river sand, 13-16 of diatomite, 4-6 of volcanic rock powder, 0.05-0.1 of magnesium powder, 0.1-0.3 of methyl methacrylate, 0.3-0.5 of acrylic acid, 0.5-0.8 of triethanolamine oleate, 3-5 of oxidized starch, 4-6 of an esterified pectin solution, 0.2-0.4 of ethylene glycol monobutyl ether, 0.1-0.2 of calcium phosphate, 0.2-0.3 of Lysimachia foenum-graecum, 0.1-0.3 of folium artemisiae argyi, 3-6 of an assistant, and a proper amount of water. The antibacterial aerated brick provided by the invention is added with Chinese medicinal components, thus improving the foam stability of the aerated brick while reaching the antibacterial effect, maintaining the strength of the aerated brick, and reducing cracks on a green body. The finished aerated brick product has a high qualified rate.

The invention discloses a water-based metal cleaner and a preparation method thereof. The water-based metal cleaner is prepared from sodium dodecylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, triethanolamine oleate, triethanolamine, 3-methyl-3-methoxy-1-butanol, polyphosphate, silicate, glycerol, primary sodium alkyl sulfate, isooctyl phosphate, benzotriazole, polyethylene glycol, dimethylaminoethyl methacrylate, 2-hydroyl-3-sulfopropyl starch ether and deionized water; the preparation method of the water-based metal cleaner comprises the following steps: firstly, adding a surfactant and the triethanolamine oleate to the glycerol, heating and stirring, next, adding the triethanolamine, the 3-methyl-3-methoxy-1-butanol, the polyphosphate and the silicate, adding the primary sodium alkyl sulfate, the isooctyl phosphate, the benzotriazole and the polyethylene glycol under the conditions of stirring and preserving heating, and finally adding the rest components under the conditions of stirring and preserving heating, and heating and stirring to obtain the cleaner. The water-based metal cleaner has excellent cleaning performance and relatively high corrosion inhibition period.

The invention relates to a high temperature resistant well-cementing spacer fluid and a preparation method thereof. The spacer fluid consists of: 100 parts by weight of fresh water, 2-8 parts by weight of a suspending agent, 2-10 parts by weight of a diluents, 25-400 parts by weight of a weighting agent, and 1-15 parts by weight of a flushing agent. Specifically, the suspending agent is composed of 100 parts by weight of OCMA bentonite, 2 parts by weight of hydroxypropyl guar gum and 8 parts by weight of xanthan gum; the diluent is composed of 100 parts by weight of sodium lignin sulfonate and 20 parts by weight of sulfonated tannin; the flushing agent consists of 40 parts by weight of fatty alcohol-polyoxyethylene ether, 40 parts by weight of triethanolamine oleate and 20 parts by weight of sodium tripolyphosphate; and the weighting material is barite. The spacer fluid has stable performance under 180DEG C high temperature condition, still has good rheological performance under the premise of ensuring the system good suspension stability, is compatible with conventional cement slurry and drilling fluid systems, improves the rheological properties of drilling fluid, enhances the displacement efficiency, and reinforces the cementation quality of a cement ring with a well cementation first interface and a second interface.

The invention discloses a water-base phosphor copper anode cleaning agent and a preparation method thereof. The phosphor copper anode cleaning agent comprises, by weight, 25.5-28% of a mixed surfactant, 2.5-5% of rust-proof constituents, 0.5-2% of a chelating agent, 10-15% of an inorganic assistant, and the balance water. The mixed surfactant consists of a nonionic surfactant and an anionic surfactant, and AEO-9, polyoxyethylene sorbitan fatty acid ester-80 (tween-80), triethanolamine oleate and a JFC are mixed to form the nonionic surfactant. Under the common action of the surfactant, the inorganic assistant and a rust-proof agent, the cleaning agent can be cleaned at a normal temperature, dirts on the surface of a phosphor copper anode can be removed quickly, the cleanliness is high, no residual organic matter exists on the surface, the cleaned phosphor copper anode can be used for electrofacing of a circuit board directly, and no activating treatment is required. Besides, no phosphate or biological degradation-resistant surfactant are contained, and no ecological pollution is caused.

A water-based metal cleaning agent and a preparing method thereof are disclosed. The cleaning agent includes, by weight, 15-20 parts of polyoxyethylene alkyl ether, 15-20 parts of octylphenol polyoxyethylene ether, 10-12 parts of sodium citrate, 10-12 parts of sodium stearate, 10-15 parts of sodium dodecyl sulfonate, 8-15 parts of triethanolamine oleate, 15-20 parts of coconut fatty acid diethanolamide, 3-5 parts of sodium silicate, 3-5 parts of carboxymethylcellulose, 2-4 parts of a defoamer and 80-100 parts of water. The polyoxyethylene alkyl ether, the octylphenol polyoxyethylene ether, thesodium dodecyl sulfonate are firstly dissolved into the water, then the sodium citrate, the sodium stearate, the sodium silicate, the triethanolamine oleate, the coconut fatty acid diethanolamide andthe carboxymethylcellulose are added in order according to the ratio, the mixture is stirred until the mixture is in a semitransparent state, finally the defoamer is added into the mixture, and the mixture is fully stirred. The cleaning agent is scientific and reasonable in formula, high in cleaning power, safe, environmentally friendly, simple and convenient to operate and low in cost.

The invention relates to metal bearing water-based cleaning agent, rinsing agent matched with the water-based cleaning agent, and the preparation method thereof. Petroleum sodium sulfonate, triethanol amine oleate, fatty alcohol-polyoxyethylene ether, emulgator, and cocoanut oil diethanolamine phosphoric acid ester are mixed with tiethanolamine and ethanolamine according to the weight percentage, are stirred uniformly at room temperature, then are mixed with other raw materials and water, then antibubbling agent AF9020 is added, and therefore the brown yellow and transparent concentrated cleaning agent is formed; nitrous acid dicyclohexylamine, oleic acid triethanolamine and petroleum sodium sulfonate are respectively dissolved into the mixed solvent of tiethanolamine and mono ethanolamine, then benzotriazole is dissolved into water to mix the two solvent, to form the brown yellow and transparent concentrated rinsing agent; the cleaning agent and the rinsing agent are mixed into 5 percent treatment fluid and 1 percent of treatment fluid, then the treatment fluid is cleaned for 30 seconds to 1 minute under ultrasonic wave, rinsed for 30 seconds, and then hot air seasoning, drying and 48 h rust preventing are performed. The invention can replace gasoline cleaning agent, kerosene cleaning agent, and universal water-based cleaning agent, the used raw material is easy to be acquired, the production cost is low, and the invention without parkerizing process can effectively prevent the environmental pollution.

The invention discloses an environment-friendly water-based synthetic metal machining liquid which is prepared from the following raw materials in parts by weight: 10-25 parts of triethanolamine sebacate, 5-13 parts of benzotriazole, 5-10 parts of sodium benzoate, 3-10 parts of dodecenylsuccinic acid, 5-13 parts of laurate alcohol ester, 5-10 parts of triethanolamine oleate, 5-15 parts of borate, 8-20 parts of a polyether nonionic surfactant, 5-8 parts of triethanolamine, 3-5 parts of ethylene diamine tetraacetic acid, 5-10 parts of borax, 2-5 parts of a chelating agent, 0.5-3 parts of a bactericide, 2-6 parts of a defoaming agent and 120-180 parts of water. The environment-friendly water-based synthetic metal machining liquid disclosed by the invention further has good cooling property, lubricity, anti-rust property and cleaning property, is stable in product quality, long in service period, free of mineral oil and vegetable oil as well as additives which are harmful to human bodies and pollute the environment and easily biodegraded, belongs to an environment-friendly product and has a relatively good application prospect.

The invention relates to a water soluble anti-rust agent on the surface of ferrous metal, which comprises the following components: 2 to 10 weight percent of barium petroleum sulfonate and/or barium dinonyl decyl sulfonate, 1 to 6 weight percent of sodium molybdate and/or amine molybdate, 0 to 10 weight percent of sebacic acid, 2 to 10 weight percent of polyacrylic ester, 3 to 20 weight percent of triethanolamine oleic soap and/or 2 to 6 weight percent of polyoxyethylenesorbitan monooleate, 0 to 15 weight percent of sodium alkylsulfonate, 0 to 8 weight percent of glycerin and the balance of water or machine oil. Compared with the conventional water soluble anti-rust agent, the water soluble anti-rust agent of the invention has the advantages of short film forming time, firm film forming adsorption and good anti-rust effect; the actual anti-rust period can reach 3 to 6 months; the formed film is thin and only 3 to 5 microns; common workpieces do not need film removal and can be directly assembled and coated; the film removal is convenient, and the film is only soaked and rinsed in mild water over 50DEG C and then can be removed quickly; and the anti-rust agent has no component containing toxic and harmful substances, does not contain phosphorus, has the advantages of good environmental protection and no pollution to the environment, and is the environment-friendly water soluble anti-rust agent.

The invention relates to the field of metal cutting additives, in particular to a grinding fluid for metal processing and a preparation method thereof. According to a technical scheme adopted by the invention, the grinding fluid for metal processing is composed of the following components by weight percentage: 5-15% of a PH value stabilizer, 3-5% of a surfactant, 5-10% of a water-borne lubricant,5-15% of an antirust agent, 4-8% of a coupling agent, 0.2-1% of a bactericide, 0.1-1% of a defoamer, 1-3% of a corrosion inhibitor, 0.2-0.4% of a settling agent, and the balance deionized water. The invention has the advantages that: the grinding fluid for metal processing adopts triethanolamine oleate as the surfactant, has good permeability and wettability, is conducive to entering a high temperature and high pressure working face, and at the same time is also a lubricant, the molecule has strong polar groups, can achieve strong adsorption with the metal surface, and chemical reaction can becarried out to form a firm physical absorption film and chemical reaction film with certain carrying capacity.

The invention discloses a copper wire drawing lubricating fluid and a preparation method thereof. The lubricating fluid and the preparation method are characterized in that: the lubricating fluid is prepared from following raw materials by weight: 15-25 parts of palm oil, 2-3 parts of sodium petroleum sulfonate, 30-35 parts of polyethylene glycol, 1-2 parts of sulfurized calcium alkyl phenolate, 1-2 parts of a sodium naphthenate, 2-3 parts of a water soluble phosphate ester, 1-2 parts of sodium benzoate, 2-3 parts of triethanolamine oleate, 0.2-0.4 part of diamond nanoparticles, 10-14 parts of an antiwear agent and 1000 parts of water; nano aluminium nitride powder is added into the antiwear agent, thus promoting heat dissipation, enhancing cooling effects, enhancing film-forming property and prolonging the service lifetime; the service cycle of the lubricating fluid is long; and copper wires after wire drawing processes have significant characteristics of shining surfaces, capability of being stored for a long time, difficult surface oxidation, simple manufacturing technology, low technical requirements, and the like.

The invention discloses multifunctional fully-synthetic cutting fluid and a preparation method thereof. The multifunctional fully-synthetic cutting fluid is prepared from modified vegetable oil, organic carboxylic acid amide, borate, ethanolamine, a polyether activating agent, a non-ferrous metal corrosion inhibitor, triethanolamine oleate, ethanolamine citrate, triethanolamine phosphate, emulsified silicone oil and the like. According to the multifunctional fully-synthetic cutting fluid and the preparation method thereof, an easily-biodegradable special additive combination is adopted, so that the problem that similar products on the market are generally poor in lubricity and rust resistance is solved; a formula does not contain nitrite, benzene and phenol substances, so that waste liquid is easy to process, the destruction to the environment can not be caused, and the environmental friendliness is good; and the multifunctional fully-synthetic cutting fluid can be applied to medium/heavy-load cutting processing and is applicable to automated production equipment, such as numerically-controlled machine tools, processing centers and the like.

The invention discloses a high-performance metal cutting fluid including following raw materials, by weight: 3-15 parts of an oleamide-based nonionic surfactant, 5-12 parts of twain, 10-25 parts of dodecyl aminopropionic acid, 5-10 parts of a betaine-typed ampholytic surfactant, 10-20 parts of sodium alkyl benzene sulfonate, 1-10 parts of sophorolipid, 10-25 parts of a water-soluble lubricant, 5-18 parts of triethanolamine oleate, 5-15 parts of sodium borate, 1-5 parts of benzotriazole, 5-20 parts of cyclohexanehexol phosphate, 8-25 parts of an organic borate, 5-15 parts of a molybdate, 3-8 parts of copper citrate, 3-10 parts of a chelating agent, 3-10 parts of sodium citrate, 4-15 parts of citric acid and 80-150 parts of water. The high-performance metal cutting fluid is excellent in cleaning performance, corrosion-resistant performance, cooling performance, lubricating performance and anti-hard-water performance, is stable when being stored and is suitable for various materials.

The invention relates to a normal temperature metal cleaner as well as a preparation process thereof. The cleaner comprises the following components by weight: 6 to 8 parts of amphoteric surfactant; 0.2 to 0.4 parts of potassium permanganate; 1 to 2 parts of emulsifying agent; 4 to 8 parts of oxalic acid; 10 to 20 parts of acid fog inhibitor; 5 to 10 parts of triethanolamine oleate; 2 to 4 parts of surface conditioning agent; 3 to 6 parts of pickling inhibitor; 50 to 100 parts of hydrochloric acid with concentration of 31 to 36 percent; and 20 to 40 parts of water. Compared with the prior art, the normal temperature metal cleaner and the preparation process thereof have the advantages of: 1. convenience: the product is applied to the cleaning of various metallic products, and is simple and convenient in operation. 2. High efficiency: the operation process is simple, and the cleaning efficiency is greatly improved. 3. Economy: surfaces of various metal workpieces can be effectively cleaned and treated, the consumption of cleaner is low, and the production speed is expedited for users. 4. Environmental protection: the cleaner has no acid mist and is safe for human body.

The invention provides a water base cutting fluid for cutting silicon wafers, which consists of glycol, triethanolamine oleate, non-ionic surface active agents, extreme pressure antiwear agents and water. The water base cutting fluid has the advantages that the surface tension of the cutting fluid is greatly reduced, the flowability and the permeability of the cutting fluid are greatly improved, the wettability of the cutting fluid on grinding materials is greatly improved, the dispersibility of the grinding materials is improved, the damage to the silicon wafers brought by aggregation and agglomeration of the grinding materials is avoided, the increase of the silicon wafer cutting yield is facilitated, and the silicon wafer cutting yield can reach 98 percent; and protective films can be formed on the surfaces of the silicon wafers, so the silicon wafers are easier to clean, and the lubricating effect, the abrasion performance and the cooling performance of the cutting fluid are improved.

The invention discloses a micro-emulsion cutting fluid for aluminum alloy and a preparation method of the micro-emulsion cutting fluid. The micro-emulsion cutting fluid comprises the following raw materials in parts by weight: 12-16 parts of paraffin-based oil, 3-5 parts of star anise oil, 4-7 parts of eucalyptus oil, 5-7 parts of sorbitan fatty acid, 3-4 parts of triethanolamine oleate, 3-4 parts of petroleum sodium sulfonate, 7-8 parts of sorbitan monooleate, 3-4 parts of monoethanolamine, 6-7 parts of zinc sulfate, 4-7 parts of sodium oleate, 6-8 parts of dimethicone, 2-4 parts of sodium molybdate, 4-7 parts of octylphenol polyoxyethylene ether, 4-7 parts of chlorinated paraffin, 4-5 parts of ricinoleic acid, 0.5-1.5 parts of dodecanol, 1.2-1.5 parts of imidazolidinyl urea, 10-15 parts of additives and 15-25 parts of deionized water. The micro-emulsion cutting fluid for aluminum alloy also has the outstanding performances on the aspects of corrosion inhibition property, corrosion resistance, lubrication, rust resistance, defoaming property, service life and the like.

The invention discloses environmental-protection range hood detergent and a preparation method thereof. The environmental-protection range hood detergent is prepared from, by mass, 1-3 parts of sodium dodecyl benzene sulfonate, 1-2 parts of fatty alcohol polyoxylethylene ether sodium sulphate, 2-5 parts of linear alkylbenzene sulphonic acid, 0.5-1.5 parts of hydroxyethyl dodecyl alcohol, 0.1-0.8 part of triethanolamine, 3-8 parts of polyatomic alcohol, 2-6 parts of sodium carbonate, 1-5 parts of potassium sorbate, 0.5-1.3 parts of triethanolamine oleate, 0.8-1.6 parts of EDTA-disodium, 0.6-1.5 parts of emulgator, 0.5-1.2 parts of stabilizers and 50-70 parts of distilled water. According to the obtained environmental-protection range hood detergent, the safety to the human body is achieved, the toxicity to the human body does not exist, skins are not stimulated in the cleaning process, the greasy stains on a range hood and various cooking utensils can be cleaned away rapidly, simply and conveniently, and the detergent and the cleaning method do not damage the utensils.

The invention discloses anti-rust oil, which consists of the following raw materials in parts by weight: 50-60 parts of kerosene, 10-20 parts of light diesel oil, 1-2 parts of barium petroleum sulfonate, 2-3 parts of triethanolamine oleate, 2-3 parts of stearic acid, 4-5 parts of dioctyl phthalate, 1-3 parts of zinc dialkyl dithiophosphate, 1-2 parts of 2,6-butylated hydroxytoluene, 3-4 parts of alkenyl butanedioic acid, 2-3 parts of coalescing agent, 1-2 parts of 2-aminoethyl heptade-alkenyl imidazoline and 0.2-0.3 part of dimethicone. The anti-rust oil prepared by the invention is difficult to discolor and oxidize, cannot influence the appearance of a workpiece and has hig comprehensive performance, high salt mist resistance, high damp-heat resistance, high aging resistance and high cleanability; by the coalescing agent, the surface tension of an oil film is improved, so that the oil film can be uniformly sprayed; the spreading performance on the surface of a metal workpiece is high; the formed oil film is uniform and stable; and the metal retaining protection effect is enhanced.

The invention relates to an environmentally-friendly metal polishing agent and a preparation method thereof, belonging to the technical field of metal surface treatment. The environmentally-friendly metal polishing agent comprises the following raw materials in parts by weight: 2-10 parts of vegetable oleic acid, 5-8 parts of coconut oil-based glucoside, 5-10 parts of sodium dodecylbenzene sulfonate, 20-30 parts of mineral oil, 8-13 parts of imidazoline quaternary ammonium salt, 2-5 parts of oleic acid triethanolamine, 50-80 parts of silicon micro-powder, 5-10 parts of polyethylene glycol, 15-20 parts of crystalline layered sodium disilicate and 80-100 parts of deionized water. The environmentally-friendly metal polishing agent can be used for effectively clearing away oil stains and rusty spots on the surfaces of metals, so that the surfaces of the metals are kept glossy and bright; and the raw materials do not comprise fluorine-containing or phosphorus-containing compounds, so that the environmentally-friendly metal polishing agent is safe and has environmentally-friendly effect; and meanwhile, as the raw materials comprise the mineral oil and the imidazoline quaternary ammonium salt, the surface smoothness of the metals can be effectively improved, and a layer of protective film is formed on the surfaces of the metals and has strong covering power, so that the oxidation resistance and the corrosion resistance of the metals are greatly improved.

An environmentally-friendly interprocess aqueous antirust liquid is composed of 3-14 parts by weight of triethanolamine oleate, 1-8 parts by weight of an inorganic corrosion inhibitor, 0.1-2 parts by weight of sodium benzoate, 1-10 parts by weight of glycerin, and 70-95 parts by weight of deionized water; and the inorganic corrosion inhibitor is one of sodium tungstate of sodium molybdate, or a sodium tungstate and sodium molybdate combination. Triethanolamine oleate and sodium benzoate in the above formula are organic corrosion inhibitors, and the aqueous solutions of the organic corrosion inhibitors and the aqueous solution of the inorganic corrosion inhibitor sodium tungstate and/or sodium molybdate have certain corrosion inhibition and antirust functions to steel. The compounding of the inorganic corrosion inhibitor and the organic corrosion inhibitors promotes and reinforces respectively corrosion inhibition and antirust performances of the inorganic corrosion inhibitor and the organic corrosion inhibitors. Sodium benzoate in the formula used as the organic corrosion inhibitor also has certain sterilization and anticorrosion effects; and glycerin in the formula used as an assistant is mainly used for adjusting the surface tension of the antirust liquid in order to improve the wetting property of the antirust liquid to the surface of a metal substrate.

The invention relates to automobile radial tire steel cord wet-pulling lubricating agent, comprising the following components in percent by weight: 13-30% of oiliness solvent, 1-8% of extreme-pressure antiwear agent, 0.5-5% of emulsifier, 3-10% of pH regulator, 2-7% of cosolvent, 3-14% of antirusting agent, 1.1-4% of complexing agent, 0.1-5% of bactericide, 0.1-2% of defoaming agent and balance of water, wherein the oiliness solvent is a mixture of triethanolamine oleate soap, triethanolamine oleate ester, oleic diethanolamide and castor oil; and the extreme-pressure antiwear agent is a mixture of tri-n-butyl phosphate and zinc dialkyl dithiophosphates. The lubricating agent has good extreme-pressure antiwear performance, and service life of a mould can be effectively prolonged; and all the components of the lubricating agent can be effectively biologically degraded, thus the lubricating agent is environmentally friendly.

The invention discloses an environment-friendly emulsified cutting fluid and a method for preparing the environment-friendly emulsified cutting fluid. The environment-friendly emulsified cutting fluid is prepared by mixing naphthenic base oil, benzotriazole, anhydrous sodium metaphosphate, triethanol amine oleate mixture, ricinoleic acid, monoethanolamine, dodecanoic acid, deionized water, polyethenoxy ether surfactant, alcohol-polyoxyethylene surfactant, undecylenic alcohol ether carboxylic acid hard-water resisting additive and fungicide BIT20 uniformly according to a certain proportion and sequence under a certain temperature condition. The environment-friendly emulsified cutting fluid prepared by adopting the method can meet the requirement for cooling performance during processing, can not release irritating odor during processing and can not pollute the working environment of the operators. The waste generated after using the environment-friendly emulsified cutting fluid can be degraded biologically with the passing of time without causing pollution to the environment and the ambient around the processing machines of the client, thus the operating environment can be kept clean.