CN113355150B - Microemulsion cutting fluid and preparation method and application thereof - Google Patents
Microemulsion cutting fluid and preparation method and application thereof Download PDFInfo
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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
- C10M173/00—Lubricating compositions containing more than 10% water
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/106—Naphthenic fractions
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- 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
- C10M2207/126—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 monocarboxylic
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- 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
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
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- 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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- 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
- C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/08—Halogenated waxes
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- 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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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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- 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
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- 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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- 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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- 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
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/18—Anti-foaming property
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a microemulsion cutting fluid and a preparation method and application thereof. The microemulsion cutting fluid is prepared by mixing an oil phase and a water phase; wherein: the oil phase comprises the following components in parts by weight: 10-15 parts of base oil, 0-5 parts of extreme pressure agent, 3-6 parts of first emulsifier, 10-15 parts of oily antirust agent and 6-13 parts of second emulsifier; the water phase comprises the following components in parts by weight: 10-20 parts of water-based antirust agent, 0-3 parts of coupling agent, 0-6 parts of nonferrous metal corrosion inhibitor, 0.01-0.05 part of defoamer and 25-40 parts of water. The microemulsion cutting fluid disclosed by the invention has the advantages of simple production process, comprehensive product functions and stable product quality, and can be simultaneously suitable for various materials and various processing technologies.
Description
Technical Field
The invention relates to the technical field of metal processing, in particular to a microemulsion cutting fluid and a preparation method and application thereof.
Background
Cutting fluid is an industrial fluid used for cooling and lubricating tools and workpieces in the metal cutting and grinding processes, and is usually compounded by a plurality of functional auxiliary agents. Cutting fluids may be classified into oil-based cutting fluids and water-based cutting fluids; the oil-based cutting fluid is prepared by compounding additives such as extreme pressure wear-resistant additives, lubricants, rust inhibitors, mildew-proof bactericides, coolants and the like with base oil according to different types of the base oil in the product, and can be divided into emulsion, semisynthetic cutting fluid and fully synthetic cutting fluid, wherein the emulsion only uses mineral oil as the base oil, the semisynthetic cutting fluid contains both mineral oil and chemical synthetic base oil, and the fully synthetic cutting fluid only uses the chemical synthetic base oil.
At present, the microemulsion cutting fluid products on the market are produced in more than ten single doses. For example, chinese patent publication No. CN107446681a discloses a microemulsified water-soluble metal cutting fluid comprising: 5-40wt.% base oil a;3-10wt.% surfactant B;2-27wt.% stabilizer C;0.1-3wt.% extreme pressure agent D;0.1-5wt.% of a biocide E;0.5-3wt.% of a metallic antioxidant F;1-3wt.% defoamer H;0.5-2wt.% of an anti-hard water agent G;1-5wt.% of a precipitant K; the balance being distilled water. However, most of the existing microemulsion cutting fluids have the defects of complex preparation process, difficult quality control, single product function, incapability of simultaneously adapting to various materials (ferrous metals and nonferrous metals), various processing processes (light, medium and heavy load processing) and the like.
In view of this, the present invention has been made.
Disclosure of Invention
The invention aims to provide a microemulsion cutting fluid, a preparation method and application thereof, and the microemulsion cutting fluid has the advantages of simple production process, comprehensive product functions and stable product quality, and can be simultaneously suitable for various materials and various processing technologies.
The invention provides a microemulsion cutting fluid which is prepared by mixing an oil phase and a water phase; wherein:
the oil phase comprises the following components in parts by weight: 10-15 parts of base oil, 0-5 parts of extreme pressure agent, 3-6 parts of first emulsifier, 10-15 parts of oily antirust agent and 6-13 parts of second emulsifier;
the water phase comprises the following components in parts by weight: 10-20 parts of water-based antirust agent, 0-3 parts of coupling agent, 0-6 parts of nonferrous metal corrosion inhibitor, 0.01-0.05 part of defoamer and 25-40 parts of water.
In the present invention, a naphthenic mineral oil may be used as the base oil; the viscosity of the naphthenic mineral oil is 10-15, the naphthenic mineral oil has carrier and lubricating components of oily additives, the HLB value is 11.3, and the stability of the emulsified oil is better than that of paraffin base oil.
In the invention, the extreme pressure agent can adopt chlorinated paraffin, such as chlorinated paraffin T301 and the like, which is mainly used for providing boundary lubrication and improving the machining precision and the machining efficiency of the workpiece.
In the present invention, the first emulsifier may include 3 to 5 parts of emulsifier A and 0.1 to 1 part of emulsifier B; wherein: the emulsifier A can be triethanolamine oleate which has the effects of emulsification, lubrication, rust prevention, cleaning and the like, has an HLB value of 12.2, is suitable for emulsifying cycloalkyl base oil, and simultaneously provides a pH value of a system of more than 7.5 and a certain alkali retention; the emulsifier B can be alcohol ether carboxylic acid ethanolamine salt, such as fatty alcohol polyoxyethylene ether carboxylic acid ethanolamine salt, the pH value of the emulsifier is 8.66, the HLB value of the emulsifier is 10, the emulsifier has excellent emulsification assisting capability, the emulsifier A is matched to completely emulsify cycloalkyl base oil, the emulsifier is suitable for emulsifying cycloalkyl base oil, the emulsifier B has moderate alkalinity, the pH value of a system is higher than 7.5 and a certain alkali is provided, the requirements of the rust resistance of ferrous metals and the corrosion resistance of nonferrous metals on the pH value are met, and the emulsifier B has excellent hard water resisting capability (1% additive amount, 1000ppm hard water resisting capability, 3.5% additive amount, 2500ppm hard water resisting capability) and electrolyte resisting capability, and the stability of emulsion can be maintained no matter whether ferrous metals or nonferrous metals are processed.
In the invention, the oily antirust agent can be a heavy alkylbenzene sulfonate alcohol amine salt, has the molecular weight of 430-450, is both antirust agent and antirust anionic emulsifier, and has the advantages that: (1) the antirust grade is high, sodium petroleum sulfonate can be replaced, and the dosage is only half of that of the sodium petroleum sulfonate under the condition of the same antirust grade; (2) has higher base number reserve capacity (9.47) and PH stability (-1.9%), and is beneficial to antibiosis, corrosion prevention and rust prevention; (3) the stain corrosion to aluminum and the alloy thereof is low, and the dissolution/corrosion to copper metal is far lower than that of other amine salts; (4) the rust resistance of ferrous metal and the corrosion resistance of nonferrous metal can be simultaneously considered; (5) as an emulsifier (hlb=10.6), the emulsification assisting capability is strong, and the emulsion stability is good.
In the present invention, the second emulsifier includes 5-10 parts of nonionic emulsifier A and 1-3 parts of nonionic emulsifier B; wherein: the nonionic emulsifier A can be octyl phenol polyoxyethylene ether OP-10, and the nonionic emulsifier A and the nonionic emulsifier B play an emulsifying role; the nonionic emulsifier B can be sorbitan monooleate SP-80, which can be used for emulsifying the base oil by the aid of the synergistic emulsifier A and the synergistic emulsifier B, and meanwhile, the HLB value of the microemulsion is adjusted.
In the invention, the aqueous antirust agent comprises 0-10 parts of aqueous antirust agent A, 5-10 parts of aqueous antirust agent B and 0-10 parts of aqueous antirust agent C; the aqueous antirust agent A can be monoethanolamine borate, is mainly used as an antirust component of ferrous metal in the microemulsion cutting fluid system, and is used for improving the base number of the system, sterilizing and preventing decay and being used as an extreme pressure antifriction agent; the water-based antirust agent B can be diethanolamine borate, has excellent antirust, sterilizing and antifriction effects, and simultaneously increases alkali retention; the aqueous antirust agent C can be monoethanolamine salt or triethanolamine salt of ternary organic acid, and has the advantages of thin antirust film, strong antirust capability and the like.
In the invention, the coupling agent can be Guerbet acid, the carbon chain length can be 12, the molecular weight is 200, the wetting force on the metal surface is good, and the formula stability can be improved; compounding with water-based antirust agent A and antirust agent B, and having high antirust grade at low PH (PH=8.0); the ability to inhibit nonferrous metals alone is high, especially in low PH environments; in addition, the corrosion inhibitor is compounded with the nonferrous metal corrosion inhibitor A, and has corrosion inhibition capability on nonferrous metals such as all types of aluminum, alloys thereof, copper and the like.
In the present invention, the nonferrous metal corrosion inhibitor includes at least one of a nonferrous metal corrosion inhibitor A and a nonferrous metal corrosion inhibitor B; wherein, the nonferrous metal corrosion inhibitor A can be a non-phosphorus aluminum corrosion inhibitor, and has high corrosion inhibition effect on aluminum alloys of different aluminum systems (AD 12, L12, 6061 and 7075); the nonferrous metal corrosion inhibitor B can be benzotriazole T706, which is a corrosion inhibitor for copper and copper alloys. In addition, the mass ratio of the nonferrous metal corrosion inhibitor A to the nonferrous metal corrosion inhibitor B in the nonferrous metal corrosion inhibitor can be (1-5): (0.1-1).
In the present invention, the defoaming agent may be a non-silicon type concentrated defoaming agent L5674, which has a super defoaming ability.
In a first embodiment of the present invention, a microemulsion cutting fluid is formed by mixing an oil phase and an aqueous phase; wherein:
the oil phase comprises the following components in parts by weight: 10-15 parts of base oil, 3-5 parts of emulsifier A, 1 part of emulsifier B, 15 parts of oily antirust agent, 8 parts of nonionic emulsifier A and 1-3 parts of nonionic emulsifier B.
The water phase comprises the following components in parts by weight: 5-10 parts of water-based antirust agent A, 5 parts of water-based antirust agent B, 0.01-0.05 part of defoamer and 30-40 parts of water.
The microemulsion cutting fluid of the first embodiment can be used for the light and medium load processing technology of ferrous metals.
In a second embodiment of the present invention, the microemulsion cutting fluid is formed by mixing an oil phase and an aqueous phase; wherein:
the oil phase comprises the following components in parts by weight: 10-15 parts of base oil, 5 parts of extreme pressure agent, 3-5 parts of emulsifier A, 1 part of emulsifier B, 15 parts of oily antirust agent, 8 parts of nonionic emulsifier A and 1-3 parts of nonionic emulsifier B.
The water phase comprises the following components in parts by weight: 5-10 parts of water-based antirust agent A, 5-10 parts of water-based antirust agent B, 0.01-0.05 part of defoamer and 25-35 parts of water.
The microemulsion cutting fluid of the second embodiment can be used for a heavy-duty processing technology of ferrous metals.
In a third embodiment of the present invention, the microemulsion cutting fluid is formed by mixing an oil phase and an aqueous phase; wherein:
the oil phase comprises the following components in parts by weight: 15 parts of base oil, 5 parts of extreme pressure agent, 3-5 parts of emulsifier A, 0.1-1 part of emulsifier B, 10 parts of oily antirust agent, 5-10 parts of nonionic emulsifier A and 1-3 parts of nonionic emulsifier B.
The water phase comprises the following components in parts by weight: 5-10 parts of water-based antirust agent B, 5-10 parts of water-based antirust agent C, 1-3 parts of coupling agent, 1-5 parts of nonferrous metal corrosion inhibitor A, 0.01-0.05 part of defoamer and 25-30 parts of water.
The microemulsion cutting fluid according to the third embodiment can be used for various processing techniques (light, medium and heavy load processing) of aluminum and aluminum alloys.
In a fourth embodiment of the present invention, a microemulsion cutting fluid is formed by mixing an oil phase and an aqueous phase; wherein:
the oil phase comprises the following components in parts by weight: 15 parts of base oil, 3-5 parts of emulsifier A, 0.1-1 part of emulsifier B, 10 parts of oily antirust agent, 5-10 parts of nonionic emulsifier A and 1-3 parts of nonionic emulsifier B.
The water phase comprises the following components in parts by weight: 5-10 parts of water-based antirust agent B, 5-10 parts of water-based antirust agent C, 1-3 parts of coupling agent, 0.1-1.0 part of nonferrous metal corrosion inhibitor B, 0.01-0.05 part of defoamer and 25-30 parts of water.
The microemulsion cutting fluid according to the fourth embodiment can be used for various processing processes (light, medium and heavy load processing) of copper and copper alloys.
In a fifth embodiment of the present invention, a microemulsion cutting fluid is formed by mixing an oil phase and an aqueous phase; wherein:
the oil phase comprises the following components in parts by weight: 15 parts of base oil, 5 parts of extreme pressure agent, 3-5 parts of emulsifier A, 0.1-1 part of emulsifier B, 10 parts of oily antirust agent, 5-10 parts of nonionic emulsifier A and 1-3 parts of nonionic emulsifier B.
The water phase comprises the following components in parts by weight: 5-10 parts of water-based antirust agent B, 5-10 parts of water-based antirust agent C, 1-3 parts of coupling agent, 1-5 parts of nonferrous metal corrosion inhibitor A, 0.1-1.0 parts of nonferrous metal corrosion inhibitor B, 0.01-0.05 parts of defoamer and 25-30 parts of water.
The microemulsion cutting fluid according to the fifth embodiment can be used in various processes (light, medium, heavy load processes) for nonferrous metals such as aluminum, copper, aluminum alloy, and the like.
The invention also provides a preparation method of the microemulsion cutting fluid, which comprises the following steps:
sequentially adding the components in the oil phase into a reaction kettle according to parts by weight, and stirring and uniformly mixing to obtain an oil phase;
and (3) under the condition of stirring, sequentially adding components except water in the water phase into the oil phase according to parts by weight, and finally adding water, and stirring and uniformly mixing to obtain the microemulsion cutting fluid.
The preparation method of the invention can adopt a reaction kettle with a paddle stirrer for preparation; the preparation method can be carried out at normal pressure, temperature of 30-60deg.C, and stirring speed of 50-70r/min, such as 60r/min. When preparing the oil phase, the stirring time can be 10-20min; the water adding speed is not too fast, and the water adding can be controlled within 10 min; the stirring time after the addition of the aqueous phase may be 25-35min.
The invention also provides application of the microemulsion cutting fluid in processing ferrous metals and/or nonferrous metals; specifically, the microemulsion cutting fluid can be diluted by 35-45 times of water to be directly used as working fluid, or 1: (0.5-1.5) adding water to prepare the low-oil-content microemulsion cutting fluid, and the cutting fluid can also be 1: (0.5-1.5) blending the base oil to prepare the high-oil-content microemulsified cutting fluid.
The microemulsion cutting fluid has the advantages of simple production process, comprehensive product functions and stable product quality, and can simultaneously meet the light, medium and heavy load processing processes of ferrous metals, aluminum alloys, copper and other nonferrous metals.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms also include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The raw materials adopted in the embodiments of the invention are as follows:
base oil: cycloalkyl mineral oils of viscosity 10-15, having HLB value 11.3, available from Fushun san Lu oil Co., ltd;
extreme pressure agent: chlorinated paraffin T301, available from Sanbang petrochemical Co., ltd;
emulsifier A: triethanolamine oleate, having an HLB value of 12.2, available from Messaging oil additives Inc.;
emulsifier B: ethanolamine salts of fatty alcohol polyoxyethylene ether carboxylic acids, ph=8.66, hlb value=10, available from malva megayuan lubricating oil additives limited;
oily rust inhibitor: heavy alkylbenzene sulfonate ethanolamine salt, molecular weight 430-450, available from malva megatom lubricating oil additive limited;
nonionic emulsifier a: octyl phenol polyoxyethylene ether OP-10, available from Tianjin red solar chemical industry Co., ltd;
nonionic emulsifier B: sorbitan monooleate SP-80, available from Liaoning Hongshan chemical company, inc.;
aqueous rust inhibitor a: monoethanolamine borates available from the company Messaging Lubricant additives Co., ltd;
aqueous rust inhibitor B: diethanolamine borate esters available from the company Messaging oil additives, inc.;
aqueous rust inhibitor C: mono/triethanolamine salts of ternary organic acids available from the company Messaging Lubricant additives Co., ltd;
coupling agent: guerbet acid, carbon chain length 12, molecular weight 200, available from Shenyang bis-sandisk biotechnology limited;
nonferrous metal corrosion inhibitor A: the non-phosphorus aluminum corrosion inhibitor is purchased from Shanghai Hongze chemical industry Co., ltd;
and (3) a nonferrous metal corrosion inhibitor B: benzotriazole T706, available from south tong Kang Hua electronic materials limited;
defoaming agent: is a non-silicon concentrated anti-foaming agent L5674, purchased from Beijing benzene chemical Co.
Example 1
The microemulsion cutting fluid of the embodiment is prepared by mixing an oil phase and a water phase; wherein:
the oil phase consists of the following components in parts by weight:
the water phase consists of the following components in parts by weight:
the preparation method of the microemulsion cutting fluid comprises the following steps:
according to the weight portions, firstly adding the oil phase components into a reaction kettle with a paddle stirrer one by one, then starting a stirring paddle, controlling the pressure to be normal pressure, the temperature to be 40 ℃, and the stirring speed to be 60r/min, and stirring for 10 minutes.
Under the condition of starting stirring, adding other components except water in the water phase component while stirring, and finally adding water, wherein the adding speed of the water is not too high, and the adding is controlled to be finished within 10 minutes; and (3) after the oil phase and the water phase are completely added, stirring for 30 minutes to obtain the microemulsion cutting fluid.
The microemulsion cutting fluid is mainly used for light and medium load processing technologies such as grinding, turning, milling, planing and the like of cast iron and medium and low carbon material workpieces, and the rust resistance is a technical index which is mainly required by the processing technology; because the nonferrous metal corrosion inhibitor is not arranged in the system, the nonferrous metal corrosion inhibitor has no corrosion inhibition capability protection on nonferrous metals such as aluminum alloy, copper and the like.
The quality and processing effect of the microemulsion cutting fluid of this example are shown in table 1.
Example 2
The microemulsion cutting fluid of the embodiment is prepared by mixing an oil phase and a water phase; wherein:
the oil phase consists of the following components in parts by weight:
the water phase consists of the following components in parts by weight:
the preparation method of the microemulsion cutting fluid comprises the following steps:
according to the weight portions, firstly adding the oil phase components into a reaction kettle with a paddle stirrer one by one, then starting a stirring paddle, controlling the pressure to be normal pressure, the temperature to be 60 ℃, and the stirring speed to be 60r/min, and stirring for 10 minutes.
Under the condition of starting stirring, adding other components except water in the water phase component while stirring, and finally adding water, wherein the adding speed of the water is not too high, and the adding is controlled to be finished within 10 minutes; and (3) after the oil phase and the water phase are completely added, stirring for 30 minutes to obtain the microemulsion cutting fluid.
The microemulsion cutting fluid is mainly used for processing technologies such as broaching, tapping, reaming heavy load and the like of workpieces made of high carbon steel and hard alloy materials, and has extreme pressure property and rust resistance which are technical indexes of the processing technology with emphasis requirements; the antiwear ability of this example was 4 times higher than that of example 1, and other properties such as rust inhibitive grade, which were all grade 0 as in example 1.
The quality and processing effect of the microemulsion cutting fluid of this example are shown in table 1.
Example 3
The microemulsion cutting fluid of the embodiment is prepared by mixing an oil phase and a water phase; wherein:
the oil phase consists of the following components in parts by weight:
the water phase consists of the following components in parts by weight:
the preparation method of the microemulsion cutting fluid comprises the following steps:
according to the weight portions, firstly adding the oil phase components into a reaction kettle with a paddle stirrer one by one, then starting a stirring paddle, controlling the pressure to be normal pressure, the temperature to be 30 ℃, and the stirring speed to be 60r/min, and stirring for 10 minutes.
Under the condition of starting stirring, adding other components except water in the water phase component while stirring, and finally adding water, wherein the adding speed of the water is not too high, and the adding is controlled to be finished within 10 minutes; and (3) after the oil phase and the water phase are completely added, stirring for 30 minutes to obtain the microemulsion cutting fluid.
The microemulsion cutting fluid is mainly used for medium and heavy load processing technologies such as turning, tapping, reaming and the like of workpieces made of aluminum and aluminum alloy materials, and has excellent rust resistance and non-ferrous metal slow release performance.
The quality and processing effect of the microemulsion cutting fluid of this example are shown in table 1.
Example 4
The microemulsion cutting fluid of the embodiment is prepared by mixing an oil phase and a water phase; wherein:
the oil phase consists of the following components in parts by weight:
the water phase consists of the following components in parts by weight:
the preparation method of the microemulsion cutting fluid comprises the following steps:
according to the weight portions, firstly adding the oil phase components into a reaction kettle with a paddle stirrer one by one, then starting a stirring paddle, controlling the pressure to be normal pressure, the temperature to be 50 ℃, and the stirring speed to be 60r/min, and stirring for 10 minutes.
Under the condition of starting stirring, adding other components except water in the water phase component while stirring, and finally adding water, wherein the adding speed of the water is not too high, and the adding is controlled to be finished within 10 minutes; and (3) after the oil phase and the water phase are completely added, stirring for 30 minutes to obtain the microemulsion cutting fluid.
The microemulsion cutting fluid is mainly used for various light, medium and heavy load processing technologies such as turning, milling and the like of copper workpieces, and has excellent anti-corrosion protection capability on copper in the processing process due to the existence of a copper corrosion inhibitor; although extreme pressure abrasion resistance is not high, copper is an easy-to-process material, so that the precision of processed copper parts is not greatly affected.
The quality and processing effect of the microemulsion cutting fluid of this example are shown in table 1.
Example 5
The microemulsion cutting fluid of the embodiment is prepared by mixing an oil phase and a water phase; wherein:
the oil phase consists of the following components in parts by weight:
the water phase consists of the following components in parts by weight:
the preparation method of the microemulsion cutting fluid comprises the following steps:
according to the weight portions, firstly adding the oil phase components into a reaction kettle with a paddle stirrer one by one, then starting a stirring paddle, controlling the pressure to be normal pressure, the temperature to be 50 ℃, and the stirring speed to be 60r/min, and stirring for 10 minutes.
Under the condition of starting stirring, adding other components except water in the water phase component while stirring, and finally adding water, wherein the adding speed of the water is not too high, and the adding is controlled to be finished within 10 minutes; and (3) after the oil phase and the water phase are completely added, stirring for 30 minutes to obtain the microemulsion cutting fluid.
The microemulsion cutting fluid is mainly used for turning, tapping, reaming and other medium and heavy load processing technologies of workpieces made of copper, aluminum and aluminum alloy materials, and the rust resistance and the non-ferrous metal slow release performance of ferrous metals are excellent.
The quality and processing effect of the microemulsion cutting fluid of this example are shown in table 1.
Comparative example 1
The conventional microemulsion cutting fluid is adopted as a control in the comparative example; the microemulsion cutting fluid composition of this comparative example is as follows:
oil phase component:
aqueous phase component:
the quality and processing effect of the microemulsion cutting fluid of the comparative example are shown in Table 1.
TABLE 1 quality and processing Effect detection results of each microemulsion cutting fluid
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (5)
1. The microemulsion cutting fluid is characterized by being prepared by mixing an oil phase and a water phase; wherein:
the oil phase consists of the following components in parts by weight: 10-15 parts of base oil, 5 parts of extreme pressure agent, 3-6 parts of first emulsifier, 10-15 parts of oily antirust agent and 6-13 parts of second emulsifier;
the water phase consists of the following components in parts by weight: 10-20 parts of aqueous antirust agent, 0-3 parts of coupling agent, 1-6 parts of nonferrous metal corrosion inhibitor, 0.01-0.05 part of defoamer and 25-40 parts of water;
the base oil is naphthenic mineral oil;
the extreme pressure agent is chlorinated paraffin;
the first emulsifier comprises 3-5 parts of triethanolamine oleate and 0.1-1 part of ethanolamine salt of alcohol ether carboxylic acid;
the oily antirust agent is a heavy alkylbenzene sulfonic acid alcohol amine salt;
the second emulsifier comprises 5-10 parts of octyl phenol polyoxyethylene ether and 1-3 parts of sorbitan monooleate;
the aqueous antirust agent comprises 0-10 parts of monoethanolamine borate, 5-10 parts of diethanolamine borate and 0-10 parts of monoethanolamine or triethanolamine salt of ternary organic acid;
the coupling agent is guerbet acid;
the nonferrous metal corrosion inhibitor is at least one of a non-phosphorus aluminum corrosion inhibitor and benzotriazole;
the defoaming agent is a non-silicon concentrated anti-foaming agent.
2. The microemulsion cutting fluid as claimed in claim 1, wherein the nonferrous metal corrosion inhibitor comprises a non-phosphorus aluminum corrosion inhibitor and benzotriazole, and the mass ratio of the non-phosphorus aluminum corrosion inhibitor to the benzotriazole in the nonferrous metal corrosion inhibitor is (1-5): (0.1-1).
3. The method for preparing the microemulsion cutting fluid as claimed in any one of claims 1 to 2, which is characterized by comprising the following steps:
sequentially adding the components in the oil phase into a reaction kettle according to parts by weight, and stirring and uniformly mixing to obtain an oil phase;
and (3) under the condition of stirring, sequentially adding components except water in the water phase into the oil phase according to parts by weight, and finally adding water, and stirring and uniformly mixing to obtain the microemulsion cutting fluid.
4. Use of the microemulsion cutting fluid according to any one of claims 1-2 in ferrous metal and/or nonferrous metal processing.
5. The use according to claim 4, wherein the microemulsion cutting fluid is diluted with 35-45 times water, 1: (0.5-1.5) blending with water or 1: (0.5-1.5) blending the base oil.
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