CN116240058A - Water-soluble composite lubricating auxiliary agent and preparation method thereof - Google Patents

Water-soluble composite lubricating auxiliary agent and preparation method thereof Download PDF

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Publication number
CN116240058A
CN116240058A CN202310043566.1A CN202310043566A CN116240058A CN 116240058 A CN116240058 A CN 116240058A CN 202310043566 A CN202310043566 A CN 202310043566A CN 116240058 A CN116240058 A CN 116240058A
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fatty acid
water
percent
soluble composite
stirring
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CN116240058B (en
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吴金海
孔德宏
张武艺
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Xuzhou Huayun Fine Chemical Co ltd
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Xuzhou Huayun Fine Chemical Co ltd
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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
    • C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
    • 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
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/124—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms containing hydroxy groups; Ethers thereof
    • 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
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/127—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids polycarboxylic
    • 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
    • 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
    • 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
    • C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
    • 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
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • 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
    • 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
    • C10N2030/04—Detergent property or dispersant property
    • 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
    • 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
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • 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
    • C10N2030/24—Emulsion properties
    • 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
    • C10N2030/64—Environmental friendly compositions
    • 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

Abstract

The invention discloses a water-soluble composite lubricating auxiliary agent and a preparation method thereof, wherein the water-soluble composite lubricating auxiliary agent comprises the following raw materials in percentage by mass: 44.3 to 53.1 percent of fatty acid methyl ester ethoxylate, 20.1 to 25.2 percent of petroleum sodium sulfonate, 12.3 to 16.5 percent of triisopropanolamine, 5.1 to 7.7 percent of dodecanedioic acid, 4.9 to 7.5 percent of nitrogen-containing organic borate, 2.3 to 4.5 percent of sodium citrate, 0.8 to 2.6 percent of polyoxyethylene polyoxypropylene amine ether and 0.5 to 2.1 percent of higher alcohol fatty acid ester compound. The water-soluble composite lubricating auxiliary agent has good emulsifying lubrication, cooling, cleaning and biodegradation performances, good antiwear and antirust effects and low pollutant discharge.

Description

Water-soluble composite lubricating auxiliary agent and preparation method thereof
Technical Field
The invention relates to a water-soluble composite lubricating auxiliary agent and a preparation method thereof, belonging to the technical field of composite auxiliary agents.
Background
The lubricant is an industrial liquid used for cooling and lubricating a cutter and a workpiece in the metal cutting and grinding process, and the traditional lubricant is prepared by compounding mineral oil serving as base oil, such as oil-type cutting oil, mineral oil, vulcanized lard, vulcanized fatty acid ester, extreme pressure additive and the like; for example, the water-type emulsion or cutting fluid is prepared by compounding mineral oil, extreme pressure agent, antirust agent, surfactant, water and the like. Because the lubricant is used in a large amount, the environment pollution of a processing place can be caused during metal processing, the oil type cutting oil is used for a long time, the petroleum smell of air is particularly heavy, the human health is damaged, in addition, after the workpiece processing is finished, the cleaning solvent is cleaned, the next working procedure can be carried out, on one hand, the use amount of the cleaning solvent is large, the cost is increased, on the other hand, the pollutant discharge amount is large, the organic matters such as tetrachloroethylene in mineral oil and cleaning agent are not easy to decompose in the natural environment, and the environment pollution is greatly aggravated. Therefore, the invention provides a water-soluble composite lubricating auxiliary agent for metal processing and a preparation method thereof.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the water-soluble composite lubricating auxiliary agent which can be uniformly dispersed in water to form a water-soluble lubricant, and the raw materials are mutually coordinated, so that the water-soluble composite lubricating auxiliary agent has good emulsifying lubrication, cooling performance, good antiwear and antirust effects, good cleaning and biodegradation performance, low pollutant discharge amount and low metal processing lubrication and cleaning cost; the preparation method is simple to operate, and the process is environment-friendly and pollution-free.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the water-soluble composite lubricating auxiliary agent comprises the following raw materials in percentage by mass: 44.3 to 53.1 percent of fatty acid methyl ester ethoxylate, 20.1 to 25.2 percent of petroleum sodium sulfonate, 12.3 to 16.5 percent of triisopropanolamine, 5.1 to 7.7 percent of dodecanedioic acid, 4.9 to 7.5 percent of nitrogen-containing organic boric acid ester, 2.3 to 4.5 percent of sodium citrate, 0.8 to 2.6 percent of polyoxyethylene polyoxypropylene amine ether and 0.5 to 2.1 percent of higher alcohol fatty acid ester compound.
Preferably, the mass fraction of the sum of the mass of the fatty acid methyl ester ethoxylate and the mass of the petroleum sodium sulfonate is 67.8-74.2%, the mass fraction of the sum of the mass of the polyoxyethylene polyoxypropylene ether and the mass of the high-carbon alcohol fatty acid ester compound is 1.8-4.3%, and the mass fraction of the dodecandioic acid is 40.5-50% of the triisopropanolamine.
Preferably, 45.8 to 48.6 percent of fatty acid methyl ester ethoxylate, 20.8 to 22.3 percent of petroleum sodium sulfonate, 12.5 to 13.5 percent of triisopropanolamine, 5.5 to 6.3 percent of dodecanedioic acid, 5.5 to 7.5 percent of nitrogen-containing organic boric acid ester, 2.6 to 3.5 percent of sodium citrate, 1.1 to 1.5 percent of polyoxyethylene polyoxypropylene amine ether and 0.9 to 1.7 percent of higher alcohol fatty acid ester compound; the mass fraction of the sum of the fatty acid methyl ester ethoxylate and the petroleum sodium sulfonate is 68.1-70.5%, the mass fraction of the sum of the polyoxyethylene polyoxypropylene ether and the high-carbon alcohol fatty acid ester compound is 2-3.2%, and the mass fraction of the dodecandioic acid is 43.9-46.7% of triisopropanolamine.
Preferably, 47.3% of fatty acid methyl ester ethoxylate, 21.4% of petroleum sodium sulfonate, 12.9% of triisopropanolamine, 5.9% of dodecanedioic acid, 6.2% of nitrogen-containing organic boric acid ester, 3.1% of sodium citrate, 1.5% of polyoxyethylene polyoxypropylene amine ether and 1.7% of higher alcohol fatty acid ester compound; and the sum of the mass of the fatty acid methyl ester ethoxylate and the mass of the petroleum sodium sulfonate accounts for 68.7 percent of the total mass, the sum of the mass of the polyoxyethylene polyoxypropylene ether and the mass of the high-carbon alcohol fatty acid ester compound accounts for 3.2 percent of the total mass, and the mass of the dodecandioic acid accounts for 45.74 percent of the triisopropanolamine.
Preferably, the nitrogen-containing organic borate is selected from oleic acid diethanolamide borate or fatty acid imidazoline borate.
The invention also provides a preparation method of the water-soluble composite lubricating auxiliary agent, which comprises the following steps:
1) Heating triisopropanolamine to 50 ℃, stirring, slowly adding dodecadiacid after complete melting, and gradually heating to 110-115 ℃ to exhaust water vapor;
2) Raising the stirring rotation speed, gradually cooling to 60-65 ℃, slowly adding the fatty acid methyl ester ethoxylate and the nitrogen-containing organic borate, and uniformly stirring and mixing;
3) Maintaining the temperature, increasing the stirring rotation speed, adding sodium petroleum sulfonate and sodium citrate, and stirring and dispersing uniformly;
4) Raising the stirring rotation speed, gradually cooling to room temperature, slowly adding the polyoxyethylene polyoxypropylene amine ether and the higher alcohol fatty acid ester compound, and continuously stirring for 30-45 min to obtain the water-soluble composite lubricating auxiliary agent.
Preferably, the stirring speed in step 1) is 100 to 150r/min.
Preferably, the rate of gradual heating in step 1) is 1-2 ℃/min.
Preferably, the stirring speed in step 2) is increased to 550-650 r/min.
Preferably, the rate of gradual cooling in step 2) is 0.5 ℃/min.
Preferably, the stirring speed in step 3) is increased to 1000-1100 r/min.
Preferably, the stirring speed in step 4) is increased to 1500-1600 r/min.
Preferably, the rate of gradual cooling in step 4) is 1 ℃/min.
The invention has the beneficial effects that:
1. the water-soluble composite lubricating auxiliary agent disclosed by the invention can be uniformly dispersed in water to form a water-soluble lubricant, raw materials are mutually coordinated, and the water-soluble composite lubricating auxiliary agent has good emulsifying lubrication, cooling and cooling performances, is good in wear resistance and rust prevention effects, and also has good cleaning performance, the subsequent cleaning is not needed, the cost is greatly saved, the emission is reduced, the raw materials have good biodegradability, the environment is protected, and the water treatment cost in the later period is also greatly reduced.
2. The invention takes fatty acid methyl ester ethoxylate and petroleum sodium sulfonate as emulsifying agents, and has good surface activity; the nitrogenous organic borate is taken as an extrusion antiwear agent, and the action of triisopropanolamine and dodecadiacid is cooperated to further strengthen the antiwear effect; sodium citrate is used as a chelating agent to assist the petroleum sodium sulfonate, so that the cleaning effect is good; the polyoxyethylene polyoxypropylene amine ether and the higher alcohol fatty acid ester compound are used as defoamers, and the polyoxyethylene polyoxypropylene amine ether and the higher alcohol fatty acid ester compound cooperate to improve the fluidity of the water-soluble compound lubricating auxiliary agent in cold water; triisopropanolamine, petroleum sodium sulfonate and nitrogenous organic borate play a role in rust prevention, and synergistically enhance the anti-corrosion and lubricating effects.
3. The fatty acid methyl ester ethoxylate and the petroleum sodium sulfonate are mixed and cooperated, and the invention has the double effects of anionic surfactant and nonionic surfactant, and the anions and the nonionic surfactant, so that the water solubility and the surface activity effect are better, the metal processing effect is effectively improved, and the surface quality is excellent.
4. The preparation method is simple to operate, and the process is environment-friendly and pollution-free; the raw materials of each step are mixed and dispersed at proper operation temperature and proper stirring speed, so that on one hand, the uniformity of the water-soluble composite lubricating auxiliary agent in water dispersion is facilitated, the raw materials are enabled to play the best effect, and on the other hand, the long-term storage of the water-soluble composite lubricating auxiliary agent is facilitated.
Detailed Description
The invention will now be more clearly and more fully described by way of the following specific examples, which are not intended to be limiting.
Example 1
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 45.8% of fatty acid methyl ester ethoxylate, 21.9% of petroleum sodium sulfonate, 15.6% of triisopropanolamine, 6.4% of dodecanedioic acid, 5.4% of oleic acid diethanolamide borate, 3.1% of sodium citrate, 1.2% of polyoxyethylene polyoxypropylene amine ether and 0.6% of higher alcohol fatty acid ester compound;
the preparation method of the water-soluble composite lubricating auxiliary agent comprises the following specific steps:
1) 156g of triisopropanolamine is heated to 50 ℃, stirred at the rotating speed of 130r/min, fully melted, slowly added with 64g of dodecadiacid, gradually heated to 110 ℃ at the speed of 1 ℃/min, and the water vapor is exhausted;
2) Raising the stirring rotation speed to 600r/min, gradually cooling to 60 ℃ at the speed of 0.5 ℃/min, slowly adding 458g of fatty acid methyl ester ethoxylate and 54g of oleic acid diethanolamide borate, and uniformly stirring and mixing;
3) Maintaining the temperature, increasing the stirring rotation speed to 1050r/min, adding 219g of petroleum sodium sulfonate and 31g of sodium citrate, and stirring and dispersing uniformly;
4) Raising the stirring rotation speed to 1550r/min, gradually cooling to room temperature at the speed of 1 ℃/min, slowly adding 12g of polyoxyethylene polyoxypropylene amine ether and 6g of higher alcohol fatty acid ester compound, and continuously stirring for 30min to obtain the water-soluble composite lubricating auxiliary agent.
Example 2
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 43.7% of fatty acid methyl ester ethoxylate, 25.2% of petroleum sodium sulfonate, 12.6% of triisopropanolamine, 5.1% of dodecanedioic acid, 7.5% of oleic acid diethanolamide borate, 3.9% of sodium citrate, 1.3% of polyoxyethylene polyoxypropylene amine ether and 0.7% of higher alcohol fatty acid ester compound;
the preparation method of the water-soluble composite lubricating auxiliary agent comprises the following specific steps:
1) Heating 126g of triisopropanolamine to 50 ℃, stirring at the rotating speed of 100r/min, slowly adding 51g of dodecadiacid after complete melting, and gradually heating to 111.5 ℃ at the speed of 1.5 ℃/min to exhaust water vapor;
2) Raising the stirring rotation speed to 550r/min, gradually cooling to 62 ℃ at the speed of 0.5 ℃/min, slowly adding 437g of fatty acid methyl ester ethoxylate and 75g of oleic acid diethanolamide borate, and uniformly stirring and mixing;
3) Maintaining the temperature, increasing the stirring rotation speed to 1000r/min, adding 252g of petroleum sodium sulfonate and 39g of sodium citrate, and stirring and dispersing uniformly;
4) Raising the stirring rotation speed to 1500r/min, gradually cooling to room temperature at a speed of 1 ℃/min, slowly adding 13g of polyoxyethylene polyoxypropylene amine ether and 7g of higher alcohol fatty acid ester compound, and continuously stirring for 30min to obtain the water-soluble composite lubricating auxiliary agent.
Example 3
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 51.2% of fatty acid methyl ester ethoxylate, 22.4% of petroleum sodium sulfonate, 12.3% of triisopropanolamine, 5.15% of dodecanedioic acid, 4.9% of fatty acid imidazoline borate, 2.3% of sodium citrate, 1.1% of polyoxyethylene polyoxypropylene amine ether and 0.65% of higher alcohol fatty acid ester compound;
the preparation method of the water-soluble composite lubricating auxiliary agent comprises the following specific steps:
1) Heating 246g of triisopropanolamine to 50 ℃, stirring at the rotating speed of 150r/min, slowly adding 103g of dodecadiacid after complete melting, and gradually heating to 114 ℃ at the speed of 2 ℃/min to exhaust water vapor;
2) Raising the stirring rotation speed to 650r/min, gradually cooling to 63 ℃ at the speed of 0.5 ℃/min, slowly adding 1024g of fatty acid methyl ester ethoxylate and 98g of fatty acid imidazoline borate, and uniformly stirring and mixing;
3) Maintaining the temperature, increasing the stirring rotation speed to 1100r/min, adding 448g of petroleum sodium sulfonate and 46g of sodium citrate, and stirring and dispersing uniformly;
4) Raising the stirring rotation speed to 1600r/min, gradually cooling to room temperature at a speed of 1 ℃/min, slowly adding 22g of polyoxyethylene polyoxypropylene amine ether and 13g of higher alcohol fatty acid ester compound, and continuously stirring for 30min to obtain the water-soluble composite lubricating auxiliary agent.
Example 4
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 48.7% of fatty acid methyl ester ethoxylate, 21.4% of petroleum sodium sulfonate, 12.3% of triisopropanolamine, 5.27% of dodecanedioic acid, 5.2% of fatty acid imidazoline borate, 2.8% of sodium citrate, 2.42% of polyoxyethylene polyoxypropylene amine ether and 1.9% of higher alcohol fatty acid ester compound;
the preparation method of the water-soluble composite lubricating auxiliary agent comprises the following specific steps:
1) Heating 123g triisopropanolamine to 50 ℃, stirring at the rotating speed of 120r/min, slowly adding 52.7g dodecadiacid after complete melting, and gradually heating to 115 ℃ at the speed of 1 ℃/min to exhaust water vapor;
2) Raising the stirring rotation speed to 630r/min, gradually cooling to 65 ℃ at the speed of 0.5 ℃/min, slowly adding 487g of fatty acid methyl ester ethoxylate and 52g of fatty acid imidazoline borate, and uniformly stirring and mixing;
3) Maintaining the temperature, increasing the stirring rotation speed to 1080r/min, adding 214g of petroleum sodium sulfonate and 28g of sodium citrate, and stirring and dispersing uniformly;
4) Raising the stirring rotation speed to 1520r/min, gradually cooling to room temperature at a speed of 1 ℃/min, slowly adding 24.2g of polyoxyethylene polyoxypropylene amine ether and 19g of higher alcohol fatty acid ester compound, and continuously stirring for 30min to obtain the water-soluble composite lubricating auxiliary agent.
Example 5
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 50.4% of fatty acid methyl ester ethoxylate, 22.9% of petroleum sodium sulfonate, 12.5% of triisopropanolamine, 5.2% of dodecanedioic acid, 4.9% of fatty acid imidazoline borate, 2.3% of sodium citrate, 0.9% of polyoxyethylene polyoxypropylene amine ether and 0.9% of higher alcohol fatty acid ester compound;
the preparation method of the water-soluble composite lubricating auxiliary agent comprises the following specific steps:
1) Heating 125g triisopropanolamine to 50 ℃, stirring at the rotating speed of 100r/min, slowly adding 52g dodecadiacid after complete melting, and gradually heating to 113 ℃ at the speed of 1.5 ℃/min to exhaust water vapor;
2) Raising the stirring rotation speed to 580r/min, gradually cooling to 65 ℃ at the speed of 0.5 ℃/min, slowly adding 504g of fatty acid methyl ester ethoxylate and 49g of fatty acid imidazoline borate, and uniformly stirring and mixing;
3) Maintaining the temperature, increasing the stirring rotation speed to 1030r/min, adding 229g of petroleum sodium sulfonate and 23g of sodium citrate, and stirring and dispersing uniformly;
4) Raising the stirring rotation speed to 1580r/min, gradually cooling to room temperature at the speed of 1 ℃/min, slowly adding 9g of polyoxyethylene polyoxypropylene amine ether and 9g of higher alcohol fatty acid ester compound, and continuously stirring for 30min to obtain the water-soluble composite lubricating auxiliary agent.
Example 6
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 51.2% of fatty acid methyl ester ethoxylate, 20.1% of petroleum sodium sulfonate, 12.5% of triisopropanolamine, 6.26% of dodecanedioic acid, 5.24% of oleic acid diethanolamide borate, 2.5% of sodium citrate, 1.1% of polyoxyethylene polyoxypropylene amine ether and 0.7% of higher alcohol fatty acid ester compound;
the preparation method of the water-soluble composite lubricating auxiliary agent comprises the following specific steps:
1) Heating 125g triisopropanolamine to 50 ℃, stirring at the rotating speed of 130r/min, slowly adding 62.6g dodecadiacid after complete melting, and gradually heating to 112 ℃ at the speed of 2 ℃/min to exhaust water vapor;
2) Raising the stirring rotation speed to 600r/min, gradually cooling to 65 ℃ at the speed of 0.5 ℃/min, slowly adding 512g of fatty acid methyl ester ethoxylate and 52.4g of oleic acid diethanolamide borate, and stirring and mixing uniformly;
3) Maintaining the temperature, increasing the stirring rotation speed to 1050r/min, adding 201g of petroleum sodium sulfonate and 25g of sodium citrate, and stirring and dispersing uniformly;
4) Raising the stirring rotation speed to 1600r/min, gradually cooling to room temperature at a speed of 1 ℃/min, slowly adding 11g of polyoxyethylene polyoxypropylene amine ether and 7g of higher alcohol fatty acid ester compound, and continuously stirring for 30min to obtain the water-soluble composite lubricating auxiliary agent.
Example 7
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 53.1% of fatty acid methyl ester ethoxylate, 20.1% of petroleum sodium sulfonate, 12.3% of triisopropanolamine, 5.1% of dodecanedioic acid, 5.3% of fatty acid imidazoline borate, 2.8% of sodium citrate, 0.8% of polyoxyethylene polyoxypropylene amine ether and 0.5% of higher alcohol fatty acid ester compound;
the preparation method of the water-soluble composite lubricating auxiliary agent comprises the following specific steps:
1) Heating 246g triisopropanolamine to 50 ℃, stirring at the rotating speed of 150r/min, slowly adding 102g dodecadiacid after complete melting, and gradually heating to 112 ℃ at the speed of 2 ℃/min to exhaust water vapor;
2) Raising the stirring rotation speed to 650r/min, gradually cooling to 62.5 ℃ at the speed of 0.5 ℃/min, slowly adding 1062g of fatty acid methyl ester ethoxylate and 106g of fatty acid imidazoline borate, and uniformly stirring and mixing;
3) Maintaining the temperature, increasing the stirring rotation speed to 1050r/min, adding 402g of petroleum sodium sulfonate and 50g of sodium citrate, and stirring and dispersing uniformly;
4) Raising the stirring rotation speed to 1600r/min, gradually cooling to room temperature at the speed of 1 ℃/min, slowly adding 16g of polyoxyethylene polyoxypropylene amine ether and 10g of higher alcohol fatty acid ester compound, and continuously stirring for 30min to obtain the water-soluble composite lubricating auxiliary agent.
Example 8
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 44.3% of fatty acid methyl ester ethoxylate, 20.5% of petroleum sodium sulfonate, 16.5% of triisopropanolamine, 7.7% of dodecanedioic acid, 5.5% of oleic acid diethanolamide borate, 2.5% of sodium citrate, 1.1% of polyoxyethylene polyoxypropylene amine ether and 1.9% of higher alcohol fatty acid ester compound;
the preparation method of the water-soluble composite lubricating auxiliary agent comprises the following specific steps:
1) Heating 330g triisopropanolamine to 50 ℃, stirring at the rotating speed of 100r/min, slowly adding 154g dodecadiacid after complete melting, and gradually heating to 115 ℃ at the speed of 1 ℃/min to exhaust water vapor;
2) Raising the stirring rotation speed to 550r/min, gradually cooling to 64 ℃ at the speed of 0.5 ℃/min, slowly adding 886g of fatty acid methyl ester ethoxylate and 110g of oleic acid diethanolamide borate, and uniformly stirring and mixing;
3) Maintaining the temperature, increasing the stirring rotation speed to 1000r/min, adding 410g of petroleum sodium sulfonate and 50g of sodium citrate, and stirring and dispersing uniformly;
4) Raising the stirring rotation speed to 1500r/min, gradually cooling to room temperature at a speed of 1 ℃/min, slowly adding 22g of polyoxyethylene polyoxypropylene amine ether and 38g of higher alcohol fatty acid ester compound, and continuously stirring for 30min to obtain the water-soluble composite lubricating auxiliary agent.
Example 9
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 50.3% of fatty acid methyl ester ethoxylate, 20.1% of petroleum sodium sulfonate, 13.5% of triisopropanolamine, 5.1% of dodecanedioic acid, 6.3% of oleic acid diethanolamide borate, 3.3% of sodium citrate, 0.8% of polyoxyethylene polyoxypropylene amine ether and 0.6% of higher alcohol fatty acid ester compound;
the preparation method of the water-soluble composite lubricating auxiliary agent comprises the following specific steps:
1) Heating 270g triisopropanolamine to 50 ℃, stirring at the rotating speed of 100r/min, slowly adding 102g dodecadiacid after complete melting, and gradually heating to 110 ℃ at the speed of 2 ℃/min to exhaust water vapor;
2) Raising the stirring rotation speed to 550r/min, gradually cooling to 60 ℃ at the speed of 0.5 ℃/min, slowly adding 1006g of fatty acid methyl ester ethoxylate and 126g of oleic acid diethanolamide borate, and uniformly stirring and mixing;
3) Maintaining the temperature, increasing the stirring rotation speed to 1000r/min, adding 402g of petroleum sodium sulfonate and 66g of sodium citrate, and stirring and dispersing uniformly;
4) Raising the stirring rotation speed to 1500r/min, gradually cooling to room temperature at a speed of 1 ℃/min, slowly adding 16g of polyoxyethylene polyoxypropylene amine ether and 12g of higher alcohol fatty acid ester compound, and continuously stirring for 30min to obtain the water-soluble composite lubricating auxiliary agent.
Example 10
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 44.3% of fatty acid methyl ester ethoxylate, 21.3% of petroleum sodium sulfonate, 13.8% of triisopropanolamine, 5.8% of dodecanedioic acid, 6.3% of oleic acid diethanolamide borate, 3.5% of sodium citrate, 0.9% of polyoxyethylene polyoxypropylene amine ether and 1.1% of higher alcohol fatty acid ester compound; the mass of each component was calculated as the total weight of the water-soluble composite lubricating aid was 2kg, and was prepared by the procedure of example 2.
Example 11
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 46.2% of fatty acid methyl ester ethoxylate, 21.6% of petroleum sodium sulfonate, 15.8% of triisopropanolamine, 6.7% of dodecanedioic acid, 5% of fatty acid imidazoline borate, 2.5% of sodium citrate, 1.1% of polyoxyethylene polyoxypropylene amine ether and 1.1% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 4kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 5.
Example 12
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 53.1% of fatty acid methyl ester ethoxylate, 20.1% of petroleum sodium sulfonate, 12.5% of triisopropanolamine, 5.3% of dodecanedioic acid, 4.9% of oleic acid diethanolamide borate, 2.3% of sodium citrate, 0.8% of polyoxyethylene polyoxypropylene amine ether and 1% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 1kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 3.
Example 13
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 52% of fatty acid methyl ester ethoxylate, 20.4% of petroleum sodium sulfonate, 12.6% of triisopropanolamine, 5.4% of dodecandioic acid, 5.1% of fatty acid imidazoline borate, 2.5% of sodium citrate, 0.9% of polyoxyethylene polyoxypropylene amine ether and 1.1% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 1kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 6.
Example 14
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 49.4% of fatty acid methyl ester ethoxylate, 21.1% of petroleum sodium sulfonate, 13.2% of triisopropanolamine, 5.8% of dodecanedioic acid, 5.5% of oleic acid diethanolamide borate, 2.6% of sodium citrate, 1.3% of polyoxyethylene polyoxypropylene amine ether and 1.1% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 3kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 1.
Example 15
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 45.9% of fatty acid methyl ester ethoxylate, 25.2% of petroleum sodium sulfonate, 12.55% of triisopropanolamine, 5.15% of dodecanedioic acid, 5.4% of fatty acid imidazoline borate, 2.7% of sodium citrate, 2.6% of polyoxyethylene polyoxypropylene amine ether and 0.5% of higher alcohol fatty acid ester compound; the mass of each component was calculated as the total weight of the water-soluble composite lubricating aid was 2kg, and was prepared by the procedure of example 8.
Example 16
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 47.8% of fatty acid methyl ester ethoxylate, 21.6% of petroleum sodium sulfonate, 12.6% of triisopropanolamine, 5.9% of dodecanedioic acid, 5.4% of oleic acid diethanolamide borate, 2.4% of sodium citrate, 2.2% of polyoxyethylene polyoxypropylene amine ether and 2.1% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 1kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 7.
Example 17
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 48.6% of fatty acid methyl ester ethoxylate, 20.8% of petroleum sodium sulfonate, 13.5% of triisopropanolamine, 6.3% of dodecanedioic acid, 5.9% of fatty acid imidazoline borate, 2.9% of sodium citrate, 1.1% of polyoxyethylene polyoxypropylene amine ether and 0.9% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 1kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 4.
Example 18
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 47.3% of fatty acid methyl ester ethoxylate, 21.4% of petroleum sodium sulfonate, 12.9% of triisopropanolamine, 5.9% of dodecanedioic acid, 6.2% of oleic acid diethanolamide borate, 3.1% of sodium citrate, 1.5% of polyoxyethylene polyoxypropylene amine ether and 1.7% of higher alcohol fatty acid ester compound; the mass of each component was calculated as the total weight of the water-soluble composite lubricating aid was 2kg, and was prepared by the procedure of example 5.
Example 19
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 47.3% of fatty acid methyl ester ethoxylate, 20.5% of petroleum sodium sulfonate, 15.4% of triisopropanolamine, 7.7% of dodecanedioic acid, 4.9% of fatty acid imidazoline borate, 2.4% of sodium citrate, 0.8% of polyoxyethylene polyoxypropylene amine ether and 1% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 5kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 7.
Example 20
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 46.5% of fatty acid methyl ester ethoxylate, 23.3% of petroleum sodium sulfonate, 14% of triisopropanolamine, 5.67% of dodecanedioic acid, 5.3% of fatty acid imidazoline borate, 2.9% of sodium citrate, 1.1% of polyoxyethylene polyoxypropylene amine ether and 1.23% of higher alcohol fatty acid ester compound; the mass of each component was calculated as the total weight of the water-soluble composite lubricating aid was 2kg, and was prepared by the procedure of example 9.
Example 21
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 45.8% of fatty acid methyl ester ethoxylate, 23.3% of petroleum sodium sulfonate, 12.5% of triisopropanolamine, 5.5% of dodecanedioic acid, 7.5% of fatty acid imidazoline borate, 3.5% of sodium citrate, 1.4% of polyoxyethylene polyoxypropylene amine ether and 1.5% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 3kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 9.
Example 22
The water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 45.9% of fatty acid methyl ester ethoxylate, 21.9% of petroleum sodium sulfonate, 16.5% of triisopropanolamine, 6.7% of dodecanedioic acid, 4.9% of fatty acid imidazoline borate, 2.3% of sodium citrate, 0.9% of polyoxyethylene polyoxypropylene amine ether and 0.9% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 1kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 8.
Comparative example 1 weight fraction of each raw material of a water-soluble complex lubrication aid: 45.8% of fatty acid methyl ester ethoxylate, 23.3% of petroleum sodium sulfonate, 12.5% of triisopropanolamine, 5.5% of dodecanedioic acid, 7.5% of fatty acid imidazoline borate, 3.5% of sodium citrate and 2.9% of polyoxyethylene polyoxypropylene amine ether; the mass of each component was calculated as 1kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 2.
Comparative example 2 weight fraction of each raw material of a water-soluble complex lubrication aid: 45.8% of fatty acid methyl ester ethoxylate, 23.3% of petroleum sodium sulfonate, 12.5% of triisopropanolamine, 5.5% of dodecanedioic acid, 7.5% of fatty acid imidazoline borate, 3.5% of sodium citrate and 2.9% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 1kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 2.
Comparative example 3 weight fraction of each raw material of a water-soluble complex lubrication aid: 48.6% of fatty acid methyl ester ethoxylate, 23.7% of petroleum sodium sulfonate, 13.5% of triisopropanolamine, 6.3% of dodecanedioic acid, 5.9% of fatty acid imidazoline borate, 1.1% of polyoxyethylene polyoxypropylene amine ether and 0.9% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 1kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared by the procedure of example 2.
Comparative example 4 weight fraction of each raw material of a water-soluble complex lubrication aid: 49.4% of fatty acid methyl ester ethoxylate, 14.2% of petroleum sodium sulfonate, 11.3% of fatty acid imidazoline borate, 2.6% of sodium citrate, 1.3% of polyoxyethylene polyoxypropylene amine ether and 1.1% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 1kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared in the procedure of example 1.
Comparative example 5 weight fraction of each raw material of a water-soluble complex lubrication aid: 49.4% of fatty acid methyl ester ethoxylate, 21.1% of petroleum sodium sulfonate, 18.7% of triisopropanolamine, 5.8% of dodecanedioic acid, 2.6% of sodium citrate, 1.3% of polyoxyethylene polyoxypropylene amine ether and 1.1% of higher alcohol fatty acid ester compound; the mass of each component was calculated as 1kg of the total weight of the water-soluble composite lubricating aid in this example, and was prepared in the procedure of example 1.
Comparative example 6 a water-soluble complex lubricant aid was prepared in the same manner as in example 14 except that the weight fraction of each raw material was as follows: the stirring speed in the step 1) is 80r/min, and the gradual heating rate is 2.5 ℃/min; the stirring rotation speed in the step 2) is increased to 500r/min; the gradual cooling rate is 1 ℃/min; the stirring rotation speed in the step 3) is increased to 1200r/min; the stirring rotation speed in the step 4) is increased to 1450r/min; the gradual cooling rate in step 4) is 1.5 ℃/min.
Comparative example 7 a water-soluble complex lubricant aid was prepared in the same manner as in example 14 except that the weight fraction of each raw material was as follows: the stirring rotating speed in the step 1) is 180r/min, and the gradual heating rate is 0.5 ℃/min; the stirring rotation speed in the step 2) is increased to 500r/min; the gradual cooling rate is 1 ℃/min; the stirring rotation speed in the step 3) is increased to 950r/min; the stirring rotation speed in the step 4) is increased to 1650r/min; the gradual cooling rate in step 4) is 0.5 ℃/min.
Comparative example 8 was a semisynthetic cutting fluid of model FC-101, size 2L, of Guangzhou Fang Chuan lubrication technologies Co., ltd.
Effect examples 1 to 22, comparative examples 1 to 8 were mixed with water in a volume ratio of 1:25, respectively, and stirred and mixed uniformly to form cutting fluids A1 to a22 and cutting fluids B1 to B8, while comparative example 8 was mixed with water in a volume ratio of 1:20 to form cutting fluid B9; wherein A1 to a22 correspond one-to-one to embodiment 1 to embodiment 22; comparative examples 1 to 7 correspond one by one to B1 to B7; comparative example 8 corresponds to B8, B9.
Storage stability test: reference is made to the test method of temperature 5.1 in GB/T6144-2010 "synthetic cutting fluid";
defoaming test: reference is made to the test method with a plug measuring cylinder of 5.4 in GB/T6144-2010 "synthetic cutting fluid";
flowability test: refer to GB/T265-1988 Stone Method for measuring kinematic viscosity of oil product and dynamic viscosity calculation method measuring kinematic viscosity (mm) of liquid at digging temperature of 10 ℃ and 25 DEG C 2 /s)；
Corrosiveness test: see GB/T6144-2010 (synthetic cutting fluid) 5.6.5 cast iron sheet, red copper and aluminum alloy testing method, reaching the continuous time (h) of A-level standard test;
rust inhibitive performance test: see GB/T6144-2010 "synthetic cutting fluid" for 5.7.5 single-chip rust resistance and 5.7.6 laminated rust resistance test method, reaching A class or continuous time (h) of qualified standard test.
Extrusion test: GB/T12583-1998 method for determining extrusion Property of Lubricant (four-ball method), calculates the diameter of grinding marks (mm) of steel balls;
biodegradability test: GB/T21856-2008 Rapid biodegradable carbon dioxide production test, calculating the biodegradation rate (%) of degradation 20 d;
the test results are shown in tables 1, 2 and 3, and the test results of A1 to A10 are shown in Table 1; table 2 shows the test results of A11 to A20; table 3 shows the test results of A21 and A22 and B1 to B9.
TABLE 1
Figure BDA0004051479130000151
TABLE 2
Figure BDA0004051479130000161
TABLE 3 Table 3
Figure BDA0004051479130000162
From tables 1 to 3, it is found that the water-soluble composite lubricating auxiliary agent of the present invention has small dosage, excellent lubricating, antiwear, anticorrosive and antirust properties, and better cleaning effect compared with the water-soluble composite lubricating auxiliary agent of the present invention, and the water-soluble composite lubricating auxiliary agent of the present invention has better biodegradation effect through the biodegradability test.
From tables 1 to 3, it is found that, according to the determination of the kinematic viscosity, B3 can improve the fluidity of the cutting fluid in cooperation with the polyoxyethylene polyoxypropylene ether and higher alcohol fatty acid ester compound and has a chelating effect as compared with A1 to a22 and B4 to B7, and further has a good cleaning performance in cooperation with sodium petroleum sulfonate, so that the cleaning agent is avoided from being used for subsequent processing of metals, the cleaning cost is saved, the pollutant discharge amount is reduced, and in addition, B3 is beneficial to the biodegradability of raw materials through the biodegradability test compared with A1 to a22, B1 and B2 and B4 to B7, and the addition of sodium citrate is green and environment-friendly.
From tables 1 to 3 above, it was found that B1 and B2, in accordance with the measurement of kinematic viscosity, cooperate with both polyoxyethylene polyoxypropylene ether and higher alcohol fatty acid ester complex, in addition to enhancing defoaming ability, also contribute to improving fluidity of the cutting fluid at low temperature, as compared with A1 to a22, B3 to B7, both cooperate with sodium citrate to enhance cleaning ability of the cutting fluid at low temperature.
From tables 1 to 3 above, it is found that the preparation method of the present invention is simple to operate according to the measurement of storage stability, A1 to A22 is compared with B6 and B7, the stirring rotation speed in step 1) is 100 to 150r/min, the gradual temperature rising rate is 1 to 2 ℃/min, the stirring rotation speed in step 2) is increased to 550 to 650r/min, the gradual temperature lowering rate is 0.5 ℃/min, preferably, the stirring rotation speed in step 3) is increased to 1000 to 1100r/min, the stirring rotation speed in step 4) is increased to 1500 to 1600r/min, and the water-soluble composite lubricating auxiliary agent obtained under the conditions that the gradual temperature lowering rate is 1 ℃/min has uniform dispersibility in water, and can enable long-term preservation of the water-soluble composite lubricating auxiliary agent.
From the above tables 1 to 3, it is found that, according to the measurement of corrosiveness, rust resistance and extrudability, compared with A1 to A22, the nitrogen-containing organic borate ester in the water-soluble composite lubricating auxiliary agent of the invention cooperates with the substances reacting with the dodecandioic acid, so that the antiwear extrusion performance is enhanced, and the triisopropanolamine, the sodium petroleum sulfonate and the nitrogen-containing organic borate ester cooperate to enhance the anti-corrosion and rust-proof lubricating effects;
from the data results of tables 1 to 3 above, it was found that the raw material ratios of the water-soluble complex lubricating aids of a10 to a22 were as follows for A1 to A9 compared with a10 to a 22: 44.3 to 53.1 percent of fatty acid methyl ester ethoxylate, 20.1 to 25.2 percent of petroleum sodium sulfonate, 12.3 to 16.5 percent of triisopropanolamine, 5.1 to 7.7 percent of dodecandioic acid, 4.9 to 7.5 percent of nitrogenous organic boric acid ester, 2.3 to 4.5 percent of sodium citrate, 0.8 to 2.6 percent of polyoxyethylene polyoxypropylene amine ether, 0.5 to 2.1 percent of higher alcohol fatty acid ester compound, wherein the mass fraction of the sum of the fatty acid methyl ester ethoxylate and the petroleum sodium sulfonate is 67.8 to 74.2 percent of the total mass, the mass fraction of the sum of the polyoxyethylene polyoxypropylene amine ether and the higher alcohol fatty acid ester compound is 1.8 to 4.3 percent of the total mass, and the mass fraction of the dodecandioic acid is 40.5 to 50 percent of triisopropanolamine, so that the cutting fluid is reduced and defoaming capability is better, the fluidity at low temperature is better, the lubricating and cleaning effects are better, the anti-corrosion and anti-rust protection time is longer, and the protection effects are better.
Further, the water-soluble composite lubricating auxiliary comprises the following raw materials in parts by weight: 45.8 to 48.6 percent of fatty acid methyl ester ethoxylate, 20.8 to 22.3 percent of petroleum sodium sulfonate, 12.5 to 13.5 percent of triisopropanolamine, 5.5 to 6.3 percent of dodecanedioic acid, 5.5 to 7.5 percent of nitrogen-containing organic boric acid ester, 2.6 to 3.5 percent of sodium citrate, 1.1 to 1.5 percent of polyoxyethylene polyoxypropylene amine ether and 0.9 to 1.7 percent of higher alcohol fatty acid ester compound; the mass fraction of the sum of the fatty acid methyl ester ethoxylate and the sodium petroleum sulfonate is 68.1-70.5%, the mass fraction of the sum of the polyoxyethylene polyoxypropylene ether and the higher alcohol fatty acid ester compound is 2-3.2%, the mass fraction of the dodecandioic acid and the triisopropanolamine is 43.9-46.7%, the protection time for corrosion prevention and rust prevention is prolonged, the protection effect is increased, and the abrasion resistance is enhanced; the anti-wear, anti-corrosion and anti-rust effects of 47.3% of fatty acid methyl ester ethoxylate, 21.4% of petroleum sodium sulfonate, 12.9% of triisopropanolamine, 5.9% of dodecandioic acid, 6.2% of nitrogenous organic boric acid ester, 3.1% of sodium citrate, 1.5% of polyoxyethylene polyoxypropylene amine ether and 1.7% of high-carbon alcohol fatty acid ester compound are optimal.
In conclusion, the water-soluble composite lubricating auxiliary agent disclosed by the invention can be uniformly dispersed in water to form a water-soluble lubricant, raw materials are mutually synergistic, and the water-soluble composite lubricating auxiliary agent has good emulsifying lubrication, cooling and cooling performances, is good in antiwear and antirust effects, and also has good cleaning performance, the subsequent cleaning is not needed, the cost is greatly saved, the emission is reduced, the raw materials have good biodegradability, the environment is protected, and the water treatment cost in the later period is also greatly reduced.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention and not for limiting the technical solution of the present invention, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the present invention may be modified or equivalently replaced without departing from the spirit and scope of the present invention, and any modification or partial replacement thereof should be included in the scope of the claims of the present invention.

Claims (10)

1. The water-soluble composite lubricating auxiliary agent is characterized by comprising the following raw materials in percentage by mass: 44.3 to 53.1 percent of fatty acid methyl ester ethoxylate, 20.1 to 25.2 percent of petroleum sodium sulfonate, 12.3 to 16.5 percent of triisopropanolamine, 5.1 to 7.7 percent of dodecanedioic acid, 4.9 to 7.5 percent of nitrogen-containing organic boric acid ester, 2.3 to 4.5 percent of sodium citrate, 0.8 to 2.6 percent of polyoxyethylene polyoxypropylene amine ether and 0.5 to 2.1 percent of higher alcohol fatty acid ester compound.
2. The water-soluble composite lubricating auxiliary agent and the preparation method thereof according to claim 1, wherein the mass fraction of the sum of the mass of fatty acid methyl ester ethoxylate and the mass of sodium petroleum sulfonate is 67.8-74.2%, the mass fraction of the sum of the mass of polyoxyethylene polyoxypropylene ether and the mass of higher alcohol fatty acid ester compound is 1.8-4.3%, and the mass fraction of dodecandioic acid is 40.5-50% of triisopropanolamine.
3. The water-soluble composite lubricating auxiliary agent according to claim 2, wherein fatty acid methyl ester ethoxylate is 45.8-48.6%, sodium petroleum sulfonate is 20.8-22.3%, triisopropanolamine is 12.5-13.5%, dodecandioic acid is 5.5-6.3%, nitrogen-containing organic boric acid ester is 5.5-7.5%, sodium citrate is 2.6-3.5%, polyoxyethylene polyoxypropylene ether is 1.1-1.5%, and higher alcohol fatty acid ester compound is 0.9-1.7%; the mass fraction of the sum of the fatty acid methyl ester ethoxylate and the petroleum sodium sulfonate is 68.1-70.5%, the mass fraction of the sum of the polyoxyethylene polyoxypropylene ether and the high-carbon alcohol fatty acid ester compound is 2-3.2%, and the mass fraction of the dodecandioic acid is 43.9-46.7% of triisopropanolamine.
4. The water-soluble composite lubrication aid according to claim 2, wherein the fatty acid methyl ester ethoxylate comprises 47.3% of petroleum sodium sulfonate 21.4%, triisopropanolamine 12.9%, dodecandioic acid 5.9%, nitrogen-containing organic borate 6.2%, sodium citrate 3.1%, polyoxyethylene polyoxypropylene ether 1.5% and higher alcohol fatty acid ester compound 1.7%.
5. The water-soluble complex lubrication aid according to any one of claims 2 to 4, wherein the nitrogen-containing organic borate is selected from oleic acid diethanolamide borate and fatty acid imidazoline borate.
6. A method for preparing the water-soluble composite lubrication aid according to claim 1, comprising the following steps:
1) Heating triisopropanolamine to 50 ℃, stirring, slowly adding dodecadiacid after complete melting, and gradually heating to 110-115 ℃ to exhaust water vapor;
2) Raising the stirring rotation speed, gradually cooling to 60-65 ℃, slowly adding the fatty acid methyl ester ethoxylate and the nitrogen-containing organic borate, and uniformly stirring and mixing;
3) Maintaining the temperature, increasing the stirring rotation speed, adding sodium petroleum sulfonate and sodium citrate, and stirring and dispersing uniformly;
4) Raising the stirring rotation speed, gradually cooling to room temperature, slowly adding the polyoxyethylene polyoxypropylene amine ether and the higher alcohol fatty acid ester compound, and continuously stirring for 30-45 min to obtain the water-soluble composite lubricating auxiliary agent.
7. The method for preparing a water-soluble composite lubricating auxiliary agent according to claim 7, wherein the stirring rotation speed in the step 1) is 100-150 r/min; the gradual heating rate in the step 1) is 1-2 ℃/min.
8. The method for preparing a water-soluble composite lubrication auxiliary according to claim 7, wherein the stirring rotation speed in the step 2) is increased to 550-650 r/min; the gradual cooling rate in step 2) is 0.5 ℃/min.
9. The process for preparing a water-soluble complex lubricant additive according to claim 7, wherein the stirring speed in step 3) is increased to 1000 to 1100r/min.
10. The method for preparing the water-soluble composite lubrication auxiliary agent according to claim 1, wherein the stirring rotation speed in the step 4) is increased to 1500-1600 r/min; the gradual cooling rate in the step 4) is 1 ℃/min.
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US4151099A (en) * 1977-01-03 1979-04-24 Basf Wyandotte Corporation Water-based hydraulic fluid and metalworking lubricant
CN105062650A (en) * 2015-08-11 2015-11-18 苏州市宝玛数控设备有限公司 Water-based cutting fluid for hard and brittle materials
CN105238537A (en) * 2015-10-29 2016-01-13 东莞华程金属科技有限公司 Water-based cutting fluid and preparation method therefor
CN106635366A (en) * 2016-12-16 2017-05-10 江海涛 Phytic acid silane protection type emulsive cutting fluid added with modified chitosan oligosaccharide surface active agent
CN107022402A (en) * 2016-01-29 2017-08-08 比亚迪股份有限公司 A kind of corrosion-resistant cutting fluid and preparation method thereof
CN109735387A (en) * 2019-03-18 2019-05-10 富莱德科技(浙江)有限公司 A kind of formula of Environmental Protection Cutting Fluid

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151099A (en) * 1977-01-03 1979-04-24 Basf Wyandotte Corporation Water-based hydraulic fluid and metalworking lubricant
CN105062650A (en) * 2015-08-11 2015-11-18 苏州市宝玛数控设备有限公司 Water-based cutting fluid for hard and brittle materials
CN105238537A (en) * 2015-10-29 2016-01-13 东莞华程金属科技有限公司 Water-based cutting fluid and preparation method therefor
CN107022402A (en) * 2016-01-29 2017-08-08 比亚迪股份有限公司 A kind of corrosion-resistant cutting fluid and preparation method thereof
CN106635366A (en) * 2016-12-16 2017-05-10 江海涛 Phytic acid silane protection type emulsive cutting fluid added with modified chitosan oligosaccharide surface active agent
CN109735387A (en) * 2019-03-18 2019-05-10 富莱德科技(浙江)有限公司 A kind of formula of Environmental Protection Cutting Fluid

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