CN114381321A - Water-soluble trace lubricating oil for metal cutting and preparation method thereof - Google Patents
Water-soluble trace lubricating oil for metal cutting and preparation method thereof Download PDFInfo
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- CN114381321A CN114381321A CN202111525819.6A CN202111525819A CN114381321A CN 114381321 A CN114381321 A CN 114381321A CN 202111525819 A CN202111525819 A CN 202111525819A CN 114381321 A CN114381321 A CN 114381321A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/18—Tall oil acids
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/401—Fatty vegetable or animal oils used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/402—Castor oils
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/061—Esters derived from boron
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
Abstract
The invention discloses a water-soluble trace lubricating oil for metal cutting and a preparation method thereof, which consists of modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, boric acid ester, alkanolamine, surfactant and mineral oil, the mass percent of the modified vegetable oil in the trace lubricating oil is 1-5%, the mass percent of the polyester in the trace lubricating oil is 1-5%, the mass percentage of the synthetic fatty acid ester in the trace lubricating oil is 15-33.5%, the mass percentage of the phosphate ester in the trace lubricating oil is 1-3%, the mass percentage of the fatty acid in the trace lubricating oil is 3-10%, the mass percentage of the borate in the trace lubricating oil is 5-10%, and the mass percentage of the alkanolamine in the trace lubricating oil is 1-5%.
Description
Technical Field
The invention relates to the field of organic chemistry, in particular to a water-soluble trace lubricating oil for metal cutting, which is diluted uniformly by adopting tap water in a certain proportion, mixed with compressed air and acted on a metal cutting surface to ensure the smooth operation of a processing process, and also comprises a preparation method of the product.
Background
The trace lubricating oil is generally called dry cutting, less oil cutting or semi-dry cutting, a mixture of a lubricant and air is sprayed on a continuously processed working surface by adopting a spraying mode to play roles of lubricating, cooling, cleaning and protecting, at present, most of the lubricating oil products adopt oily products, along with the development of machining and cutting tools, the oily products expose a plurality of defects, such as large smog/oil mist in field use, poor safety and cooling property which can not meet the requirement of high-speed processing, novel special water-soluble trace lubricating oil is adopted for cooling and lubricating to meet the cooling requirement of the cutting tools (tool fixtures) and processing parts, simultaneously, metal chips generated in the processing process need to be recycled, the residue of the oily products is obviously higher than that of the water-soluble products, so that the recycling process is influenced by the loosening of pressed cakes, and the water-soluble trace lubricating oil has moderate atomizing capacity and good extreme pressure lubricity, excellent cooling performance, less residual quantity, no potential safety hazard, small consumption, excellent economy and wide market application prospect.
Disclosure of Invention
The technical scheme adopted by the invention for solving the technical problems is as follows: a water-soluble trace lubricating oil for metal cutting is prepared through mixing water with trace lubricating oil, diluting, mixing with compressed air, spraying onto working surface, and features low cost, high productivity and low cost.
The invention relates to a water-soluble trace lubricating oil for metal cutting, which consists of modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, boric acid ester, alkanolamine, surfactant and mineral oil, wherein the mass percent of the modified vegetable oil in the trace lubricating oil is 1-5%, the mass percent of the polyester in the trace lubricating oil is 1-5%, the mass percent of the synthetic fatty acid ester in the trace lubricating oil is 15-33.5%, the mass percent of the phosphate ester in the trace lubricating oil is 1-3%, the mass percent of the fatty acid in the trace lubricating oil is 3-10%, the mass percent of the boric acid ester in the trace lubricating oil is 5-10%, the mass percent of the alkanolamine in the trace lubricating oil is 1-5%, and the mass percent of the surfactant in the trace lubricating oil is 3-5%, 5% of deionized water and the balance of mineral oil.
Further, the modified vegetable oil is one of oxidized rapeseed oil, tall oil amide and rapeseed oil amide.
Further, the polyester is one of dioleate, tetrapolyricinoleate and polymethacrylate.
Further, the synthetic fatty acid ester is selected from one or more of trimethylolpropane oleate, isooctyl stearate, isopropyl laurate, adipate and sorbitol monooleate.
Further, the phosphate is selected from industrial grade neutral or acidic phosphate.
Further, the fatty acid is one or more of industrial soybean oleic acid, tall oil acid and ricinoleic acid.
Further, the boric acid ester is one of monoethanolamine borate, diethanolamine borate, triethanolamine borate and isopropanolamine borate.
Further, the alkanolamine is one or more selected from monoethanolamine, diethanolamine, diglycolamine, triethanolamine and isopropanolamine.
Further, the surfactant is one or more of nonylphenol/octylphenol polyoxyethylene ether, castor oil polyoxyethylene ether, fatty amine polyoxyethylene ether and fatty alcohol polyoxyethylene ether.
Further, the mineral oil is neutral naphthenic oil.
Further, the preparation method comprises the step of weighing the substances according to the mass percentage, and the step of adding the modified vegetable oil, the polyester, the synthetic fatty acid ester, the phosphate ester, the fatty acid, the borate, the alkanolamine, the surfactant and the mineral oil into a preparation kettle under normal pressure, wherein the temperature is raised to 60-80 ℃ in the preparation kettle by stirring, and the substances are uniformly dissolved and transparent. Adding modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, boric acid ester, alkanolamine, surfactant and mineral oil in sequence, stirring for 30-50 min until the products are uniformly mixed, discharging, filtering and packaging.
The working principle of the invention is as follows: modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, boric acid ester, alkanolamine, surfactant, mineral oil and the like are adopted for compounding, and the proportion is optimized to meet the requirements of a metal cutting process and little oil and trace lubrication, and further meet the cooling requirement brought by high-speed cutting.
Compared with the prior art, the invention has positive and obvious effect. The water-soluble trace lubricating oil for metal cutting has the following advantages:
1) excellent lubrication and extreme pressure performance, smooth cut and good finish;
2) excellent cooling property, the cutting surface of the part and the cutter are close to normal temperature;
3) effectively protecting the metal surface from corrosion and oxidation;
4) the service life of the cutter is effectively prolonged;
5) the cuttings are dried and are free of oxidation, so that the cuttings are favorably recycled;
6) the atomization effect is good, and the air can be uniformly mixed with compressed air;
7) the water-soluble polymer is infinitely soluble in tap water, and has good stability;
8) low smell, no flash point and high safety.
Detailed Description
Example 1
The invention provides a water-soluble trace lubricating oil for metal cutting and a preparation method thereof, the water-soluble trace lubricating oil comprises modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, boric acid ester, alkanolamine, surfactant and mineral oil, wherein the mass percent of the modified vegetable oil in the trace lubricating oil is 5%, the mass percent of the polyester in the trace lubricating oil is 5%, the mass percent of the synthetic fatty acid ester in the trace lubricating oil is 33.5%, the mass percent of the phosphate ester in the trace lubricating oil is 1%, the mass percent of the fatty acid in the trace lubricating oil is 7%, the mass percent of the boric acid ester in the trace lubricating oil is 10%, the mass percent of the alkanolamine in the trace lubricating oil is 4%, and the mass percent of the surfactant in the trace lubricating oil is 3.5%, the balance of mineral oil.
Further, the modified vegetable oil is tall oil amide.
Further, the polymer is tetrapolyricinoleate.
Further, the synthetic fatty acid ester is adipate and sorbitol monooleate, wherein the adipate accounts for 28.5% and the sorbitol monooleate accounts for 5%.
Further, the phosphate is selected from industrial grade acid phosphate.
Further, the fatty acid is industrial-grade soybean oleic acid.
Further, the boric acid ester is monoethanolamine borate.
Further, the alkanolamine is selected from triethanolamine.
Further, the surfactant is nonylphenol/octylphenol polyoxyethylene ether.
Further, the mineral oil is neutral No. 22 naphthenic oil.
Further, the preparation method comprises the step of weighing the substances according to the mass percentage, and the step of adding the modified vegetable oil, the polyester, the synthetic fatty acid ester, the phosphate ester, the fatty acid, the borate, the alkanolamine, the surfactant and the mineral oil into a preparation kettle under normal pressure, wherein the temperature is raised to 60-80 ℃ in the preparation kettle by stirring, and the substances are uniformly dissolved and transparent. Adding modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, boric acid ester, alkanolamine, surfactant and mineral oil in sequence, stirring for 30-50 min until the products are uniformly mixed, discharging, filtering and packaging.
Example 2
The invention relates to a water-soluble trace lubricating oil for metal cutting and a preparation method thereof, which comprises modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, borate, alkanolamine, surfactant and mineral oil, wherein the modified vegetable oil accounts for 5 percent by mass in the trace lubricating oil, the polyester accounts for 3 percent by mass in the trace lubricating oil, the synthetic fatty acid ester accounts for 25 percent by mass in the trace lubricating oil, the phosphate ester accounts for 1.5 percent by mass in the trace lubricating oil, the fatty acid accounts for 7 percent by mass in the trace lubricating oil, the borate accounts for 10 percent by mass in the trace lubricating oil, the alkanolamine accounts for 4 percent by mass in the trace lubricating oil, and the surfactant accounts for 3 percent by mass in the trace lubricating oil, the balance of mineral oil.
Further, the modified vegetable oil is rapeseed oleamide.
Further, the polymer is tetrapolyricinoleate
Further, the synthetic fatty acid ester is selected from isooctyl stearate and sorbitol monooleate (weight ratio is 4: 1).
Further, the phosphate ester is industrial-grade acidic phosphate ester.
Further, the fatty acid is industrial grade ricinoleic acid.
Further, the borate is diethanolamine borate.
Further, the alkanolamine is diethanolamine.
Further, the surfactant is castor oil polyoxyethylene ether.
Further, the mineral oil is neutral No. 22 naphthenic oil.
Further, the preparation method comprises the step of weighing the substances according to the mass percentage, and the step of adding the modified vegetable oil, the polyester, the synthetic fatty acid ester, the phosphate ester, the fatty acid, the borate, the alkanolamine, the surfactant and the mineral oil into a preparation kettle under normal pressure, wherein the temperature is raised to 60-80 ℃ in the preparation kettle by stirring, and the substances are uniformly dissolved and transparent. Adding modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, boric acid ester, alkanolamine, surfactant and mineral oil in sequence, stirring for 30-50 min until the products are uniformly mixed, discharging, filtering and packaging.
Example 3
The invention relates to a water-soluble trace lubricating oil for metal cutting and a preparation method thereof, which consists of modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, borate, alkanolamine, surfactant and mineral oil, wherein the mass percent of the modified vegetable oil in the trace lubricating oil is 2%, the mass percent of the polyester in the trace lubricating oil is 3%, the mass percent of the synthetic fatty acid ester in the trace lubricating oil is 30%, the mass percent of the phosphate ester in the trace lubricating oil is 2%, the mass percent of the fatty acid in the trace lubricating oil is 7%, the mass percent of the borate in the trace lubricating oil is 10%, the mass percent of the alkanolamine in the trace lubricating oil is 3%, and the mass percent of the surfactant in the trace lubricating oil is 4%, the balance of mineral oil.
Further, the modified vegetable oil is oxidized rapeseed oil.
Further, the polymer is polymethacrylate.
Further, the synthetic fatty acid ester is isopropyl laurate and sorbitol monooleate (the weight ratio is 5: 1).
Further, the phosphate is selected from industrial grade acid phosphate.
Further, the fatty acid is industrial grade tall oil acid.
Further, the borate is monoethanolamine borate.
Further, the alkanolamine is selected from diglycolamine.
Further, the surfactant is fatty alcohol-polyoxyethylene ether.
Further, the mineral oil is neutral No. 22 naphthenic oil.
Further, the preparation method comprises the step of weighing the substances according to the mass percentage, and the step of adding the modified vegetable oil, the polyester, the synthetic fatty acid ester, the phosphate ester, the fatty acid, the borate, the alkanolamine, the surfactant and the mineral oil into a preparation kettle under normal pressure, wherein the temperature is raised to 60-80 ℃ in the preparation kettle by stirring, and the substances are uniformly dissolved and transparent. Adding modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, boric acid ester, alkanolamine, surfactant and mineral oil in sequence, stirring for 30-50 min until the products are uniformly mixed, discharging, filtering and packaging.
Example 4
The invention relates to a water-soluble trace lubricating oil for metal cutting and a preparation method thereof, which comprises modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, borate, alkanolamine, surfactant and mineral oil, wherein the mass percent of the modified vegetable oil in the trace lubricating oil is 1.5%, the mass percent of the polyester in the trace lubricating oil is 1.5%, the mass percent of the synthetic fatty acid ester in the trace lubricating oil is 15%, the mass percent of the phosphate ester in the trace lubricating oil is 3%, the mass percent of the fatty acid in the trace lubricating oil is 3.5%, the mass percent of the borate in the trace lubricating oil is 10%, the mass percent of the alkanolamine in the trace lubricating oil is 3.5%, and the mass percent of the surfactant in the trace lubricating oil is 5%, the balance of mineral oil.
Further, the modified vegetable oil is tall oil amide.
Further, the polyester is dioleate.
Further, the synthetic fatty acid ester is selected from trimethylolpropane oleate and sorbitol monooleate (the weight ratio is 2: 1).
Further, the phosphate ester is industrial-grade acidic phosphate ester.
Further, the fatty acid is industrial-grade soybean oleic acid.
Further, the boric acid ester is monoethanolamine borate.
Further, the alkanolamine is selected from monoethanolamine.
Further, the surfactant is fatty alcohol-polyoxyethylene ether.
Further, the mineral oil is neutral No. 22 naphthenic oil.
Further, the preparation method comprises the step of weighing the substances according to the mass percentage, and the step of adding the modified vegetable oil, the polyester, the synthetic fatty acid ester, the phosphate ester, the fatty acid, the borate, the alkanolamine, the surfactant and the mineral oil into a preparation kettle under normal pressure, wherein the temperature is raised to 60-80 ℃ in the preparation kettle by stirring, and the substances are uniformly dissolved and transparent. Adding modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, boric acid ester, alkanolamine, surfactant and mineral oil in sequence, stirring for 30-50 min until the products are uniformly mixed, discharging, filtering and packaging. The measured data of the above application examples are shown in the following table
Claims (11)
1. A water-soluble trace lubricating oil for metal cutting and a preparation method thereof are characterized in that: the water-soluble trace lubricating oil for metal cutting comprises 1-5% by mass of modified vegetable oil, 1-5% by mass of polyester, 1-5% by mass of alkanolamine, 15-33.5% by mass of synthetic fatty acid ester, 1-3% by mass of phosphate ester, 3-10% by mass of fatty acid, 5-10% by mass of borate ester, 1-5% by mass of alkanolamine and 3-5% by mass of surfactant, 5% of deionized water and the balance of mineral oil.
2. The water-soluble minimal quantity lubricating oil for metal cutting and the preparation method thereof as claimed in claim 1, wherein: the modified vegetable oil is one of oxidized rapeseed oil, tall oil amide and rapeseed oil amide.
3. The water-soluble minimal quantity lubricating oil for metal cutting and the preparation method thereof as claimed in claim 1, wherein: the polyester is one of dioleate, tetrapolyricinoleate and polymethacrylate.
4. The water-soluble minimal quantity lubricating oil for metal cutting and the preparation method thereof as claimed in claim 1, wherein: the synthetic fatty acid ester is selected from one or more of trimethylolpropane oleate, isooctyl stearate, isopropyl laurate, adipate and sorbitol monooleate.
5. The water-soluble minimal quantity lubricating oil for metal cutting and the preparation method thereof as claimed in claim 1, wherein: the phosphate is selected from industrial grade neutral or acidic phosphate.
6. The water-soluble minimal quantity lubricating oil for metal cutting and the preparation method thereof as claimed in claim 1, wherein: the fatty acid is one or more of industrial soybean oleic acid, tall oil acid and ricinoleic acid.
7. The water-soluble minimal quantity lubricating oil for metal cutting and the preparation method thereof as claimed in claim 1, wherein: the boric acid ester is one of monoethanol borate, diethanolamine borate, triethanolamine borate and isopropanolamine borate.
8. The water-soluble minimal quantity lubricating oil for metal cutting and the preparation method thereof as claimed in claim 1, wherein: the alkanolamine is one or more selected from monoethanolamine, diethanolamine, diglycolamine, triethanolamine and isopropanolamine.
9. The water-soluble minimal quantity lubricating oil for metal cutting and the preparation method thereof as claimed in claim 1, wherein: the surfactant is one or more of nonylphenol/octylphenol polyoxyethylene ether, castor oil polyoxyethylene ether, fatty amine polyoxyethylene ether and fatty alcohol polyoxyethylene ether.
10. The water-soluble minimal quantity lubricating oil for metal cutting and the preparation method thereof as claimed in claim 1, wherein: the mineral oil is neutral naphthenic oil.
11. The water-soluble minimal quantity lubricating oil for metal cutting and the preparation method thereof as claimed in claim 1, wherein: the preparation method comprises the step of weighing all substances according to the mass percentage, and the step of adding the modified vegetable oil, the polyester, the synthetic fatty acid ester, the phosphate, the fatty acid, the borate, the alkanolamine, the surfactant and the mineral oil into a preparation kettle under normal pressure, wherein the preparation kettle is stirred and heated to 60-80 ℃, and the substances are uniformly dissolved and transparent. Adding modified vegetable oil, polyester, synthetic fatty acid ester, phosphate ester, fatty acid, boric acid ester, alkanolamine, surfactant, deionized water and mineral oil in sequence, stirring for 30-50 min until the products are uniformly mixed, discharging, filtering and packaging.
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Application publication date: 20220422 |