CN113563957A - Antifungal fully-synthetic grinding fluid, preparation method and use method thereof - Google Patents
Antifungal fully-synthetic grinding fluid, preparation method and use method thereof Download PDFInfo
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- CN113563957A CN113563957A CN202110832274.7A CN202110832274A CN113563957A CN 113563957 A CN113563957 A CN 113563957A CN 202110832274 A CN202110832274 A CN 202110832274A CN 113563957 A CN113563957 A CN 113563957A
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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
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—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
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
- C10M2207/2815—Esters of (cyclo)aliphatic monocarboxylic acids used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
- C10M2215/0425—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- 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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- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/16—Antiseptic; (micro) biocidal or bactericidal
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
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Abstract
The invention discloses an antifungal fully-synthetic grinding fluid, a preparation method and a use method thereof. The problems of caking and generating the gown are solved, and the antifungal capability of the grinding fluid can be obviously improved; the sebacic acid, the boric acid and the alcohol amine are adopted for reaction, and the PH of a system is controlled to be about 8, so that the antirust effect of the polycarboxylate is ensured, a proper acid-base environment can be provided for effectively controlling the generation of fungi, and the product and a machine tool cannot rust under the condition of a low PH value. When the grinding machine is used for grinding ferrous metal, the oil change period of the centralized oil pool is 2-3 years, and the oil change period of the single oil pool is 12-18 months, so that the treatment and discharge of waste liquid are reduced, and the environment is protected.
Description
Technical Field
The invention relates to the field of grinding, in particular to antifungal fully-synthetic grinding fluid for grinding ferrous metal, a preparation method and a use method thereof.
Background
The pH value of the aqueous fully-synthetic grinding cooling liquid is generally above 9, bacteria are not easy to generate and grow in the system, but the humidity environment during grinding is very suitable for fungus breeding. Once the fully-synthesized grinding fluid is infected by fungi, hyphae rapidly propagate, and continuously wrap surrounding inorganic or organic impurities to form a net structure consisting of fine hyphae, and the net structure is adhered to pipe walls and other parts, so that a sticky, spherical or caked biological film often seen by people at the edge of a grinding fluid pool and a grinder water tank can appear. Complete removal of the fungus is quite difficult and can have adverse effects: 1) biofilm formation by fungi can cause blockage of filter media, coolant nozzles and the like, cause interruption of coolant supply, cause insufficient cooling and lubrication on the surface of the cutter, and even cause abnormal machining. 2) Various enzymes generated by the fungi destroy various chemical components in the grinding cooling liquid, so that the stability of the grinding cooling liquid is reduced, and the service life of the grinding cooling liquid is shortened; 3) if the grinding fluid product has poor antibacterial ability, the lubricating performance may not be affected at the beginning, but the bacterial growth not only causes some lubricating components to be consumed, but more importantly, can cause the following conditions: the cutting fluid becomes unstable; lubricating components are separated out, and the lubricating capability is reduced; the antirust capability is reduced, the abrasion of the cutter is increased, and the like.
In summary, the growth and reproduction of bacteria are the main factors affecting the service performance and service life of the grinding fluid. The grinding fluid is polluted and destroyed by bacteria, and then is caused to go bad, which is mainly shown in that the appearance (stability) changes from white to grey, and sometimes has pungent odor; the lubricity is reduced, and abrasion and burning of parts are caused; the PH value and the antirust performance are reduced until the grinding fluid is scrapped. Therefore, the detection and sterilization of bacteria in the grinding fluid are very necessary. The growth and propagation of bacteria in the grinding fluid require certain conditions, which mainly refer to two aspects of environment and nutrients, generally speaking, the environmental conditions suitable for the growth and propagation of the bacteria are that the temperature is between 20 and 40 ℃, and the pH value in the solution is between 6.0 and 8.5. The nutrients required for the growth and reproduction of bacteria are mainly soap compounds, sodium nitrite, diethanolamine and other carbon-containing and nitrogen-containing compounds contained in the grinding fluid, but the compounds are the main components for preparing the grinding fluid and are all nutrients for the survival of microorganisms. When other conditions are proper, the more abundant the nutrients are, the faster the microorganisms can reproduce until the nutrients are completely eaten, which is also one of the reasons for the rapid reduction of the soap compounds and the sodium nitrite in the grinding fluid.
Therefore, a fully synthetic grinding fluid is needed to solve the problem of fungal infection during the grinding process.
Disclosure of Invention
In view of the above, the present invention provides an antifungal fully synthetic grinding fluid, a preparation method and a use method thereof, which can effectively inhibit the generation of fungi under the condition of low PH value and simultaneously has good antirust effect.
The antifungal fully-synthetic grinding fluid comprises the following raw materials in percentage by mass: 1-3% of ethylenediamine tetraacetic acid disodium salt chelating agent, 1-3% of sebacic acid, 5-10% of nonionic surfactant, 5-10% of aqueous extreme pressure lubricant, 2-5% of boric acid, 0.5-1% of benzotriazole, 5-15% of triethanolamine, 20-30% of tricarboxylate-based compound antirust agent, 0.02-0.05% of defoaming agent and the balance of distilled water added to 100%;
further, the grinding fluid comprises the following raw materials in percentage by mass: 2% of ethylenediamine tetraacetic acid disodium salt chelating agent, 2% of sebacic acid, 8% of nonionic surfactant, 8% of aqueous extreme pressure lubricant, 3% of boric acid, 0.8% of benzotriazole, 10% of triethanolamine, 25% of tricarboxylate-based compound antirust agent, 0.03% of defoaming agent and the balance of distilled water added to 100%;
further, the nonionic surfactant is nonylphenol polyoxyethylene ether;
further, the defoamer is a three-dimensional siloxane;
further, the aqueous extreme pressure lubricant is a mixture of tall oil fatty acid ester and alkyl alcohol amine;
further, the mass ratio of the tall oil fatty acid ester to the alkyl alcohol amine is 1: 2.
the invention discloses a preparation method of antifungal fully-synthetic grinding fluid, which comprises the following steps:
a. preparation of aqueous extreme pressure lubricant: mixing and stirring tall oil fatty acid ester and alkyl alcohol amine, heating to react to a transparent state, and adding distilled water for dissolving to prepare a transparent water-based extreme pressure lubricant for later use;
b. mixing and stirring triethanolamine and boric acid according to mass percent, heating for reaction, preserving heat, cooling to below 60 ℃, sequentially adding distilled water, an aqueous extreme pressure lubricant, a tricarboxylate-based compound antirust agent, benzotriazole, a nonionic surfactant, an ethylenediaminetetraacetic acid disodium salt chelating agent and sebacic acid according to mass percent, stirring for 20-40min, then adding a defoaming agent, and continuously stirring until the mixture is in a uniform and transparent state;
further, in step a, heating tall oil fatty acid ester and alkyl alcohol amine to the temperature of 80-120 ℃;
further, in the step b, the triethanolamine and the boric acid are heated to the temperature of 100-;
further, grinding fluid and water are mixed according to the volume ratio of 1: diluting by 20-40 times for cooling and lubricating in ferrous metal grinding.
The invention has the beneficial effects that: the antifungal fully-synthetic grinding fluid, the preparation method and the use method thereof adopt the coordination effect of the unique chelating ethylenediaminetetraacetic acid disodium salt and the sebacic acid to play a role in inhibiting fungi, and the chelating additive can permeate into cells of the fungi to achieve the effect of dissolving and caking. The problems of caking and generating the gown are solved, and the antifungal capability of the grinding fluid can be obviously improved; the sebacic acid, the boric acid and the alcohol amine are adopted for reaction, and the PH of a system is controlled to be about 8, so that the antirust effect of the polycarboxylate is ensured, a proper acid-base environment can be provided for effectively controlling the generation of fungi, and the product and a machine tool cannot rust under the condition of a low PH value. When the grinding machine is used for grinding ferrous metal, the oil change period of the centralized oil pool is 2-3 years, and the oil change period of the single oil pool is 12-18 months, so that the treatment and discharge of waste liquid are reduced, and the environment is protected.
Detailed Description
Example one
The antifungal fully-synthetic grinding fluid comprises the following raw materials in percentage by mass: 1% of ethylenediamine tetraacetic acid disodium salt chelating agent, 1% of sebacic acid, 5% of nonylphenol polyoxyethylene ether, 5% of aqueous extreme pressure lubricant, 2% of boric acid, 0.5% of benzotriazole, 5% of triethanolamine, 20% of tribasic carboxylic acid base compound antirust agent, 0.02% of three-dimensional siloxane and the balance of distilled water, wherein the balance is added to 100%.
In this embodiment, the aqueous extreme pressure lubricant is tall oil fatty acid ester and alkylolamines in a mass ratio of 1: 2, or a mixture thereof.
The preparation method of the antifungal fully synthetic grinding fluid of this embodiment includes the following steps:
a. preparation of aqueous extreme pressure lubricant: mixing tall oil fatty acid ester and alkyl alcohol amine, stirring, heating to 80 ℃, reacting to a transparent state, adding distilled water for dissolving, and preparing a transparent water-based extreme pressure lubricant for later use;
b. mixing and stirring triethanolamine and boric acid according to mass percent, heating to 100 ℃, preserving heat for 1 hour, cooling to below 60 ℃, sequentially adding distilled water, an aqueous extreme pressure lubricant, a ternary carboxylate-based compound antirust agent, benzotriazole, nonylphenol polyoxyethylene ether, an ethylenediaminetetraacetic acid disodium salt chelating agent and sebacic acid according to mass percent, stirring for 20min, then adding three-dimensional siloxane, and continuously stirring until the mixture is in a uniform and transparent state.
The application method of the antifungal fully synthetic grinding fluid of the embodiment comprises the following steps: grinding fluid and water are mixed according to the volume ratio of 1: the dilution of 20 times is used for cooling and lubricating the ferrous metal grinding machining.
Example two
The antifungal fully-synthetic grinding fluid comprises the following raw materials in percentage by mass: 3% of ethylenediamine tetraacetic acid disodium salt chelating agent, 3% of sebacic acid, 10% of nonylphenol polyoxyethylene ether, 10% of aqueous extreme pressure lubricant, 5% of boric acid, 1% of benzotriazole, 15% of triethanolamine, 30% of tribasic carboxylic acid base compound antirust agent, 0.05% of three-dimensional siloxane and the balance of distilled water, wherein the balance is added to 100%.
In this embodiment, the aqueous extreme pressure lubricant is tall oil fatty acid ester and alkylolamines in a mass ratio of 1: 2, or a mixture thereof.
The preparation method of the antifungal fully synthetic grinding fluid comprises the following steps:
a. preparation of aqueous extreme pressure lubricant: mixing tall oil fatty acid ester and alkyl alcohol amine, stirring, heating to 120 ℃, reacting to a transparent state, adding distilled water for dissolving, and preparing a transparent water-based extreme pressure lubricant for later use;
b. mixing and stirring triethanolamine and boric acid according to mass percent, heating to 130 ℃, preserving heat for 1 hour, cooling to below 60 ℃, then sequentially adding distilled water, an aqueous extreme pressure lubricant, a ternary carboxylate-based compound antirust agent, benzotriazole, nonylphenol polyoxyethylene ether, an ethylenediaminetetraacetic acid disodium salt chelating agent and sebacic acid according to mass percent, stirring for 40min, then adding three-dimensional siloxane, and continuously stirring until the mixture is in a uniform and transparent state.
The application method of the antifungal fully synthetic grinding fluid of the embodiment comprises the following steps: grinding fluid and water are mixed according to the volume ratio of 1: the dilution of 40 times is used for cooling and lubricating the ferrous metal grinding machining.
EXAMPLE III
The antifungal fully-synthetic grinding fluid comprises the following raw materials in percentage by mass: 1% of ethylenediamine tetraacetic acid disodium salt chelating agent, 3% of sebacic acid, 5% of nonylphenol polyoxyethylene ether, 10% of aqueous extreme pressure lubricant, 2% of boric acid, 1% of benzotriazole, 5% of triethanolamine, 30% of tribasic carboxylic acid base compound antirust agent, 0.02% of three-dimensional siloxane and the balance of distilled water, wherein the balance is added to 100%.
In this embodiment, the aqueous extreme pressure lubricant is tall oil fatty acid ester and alkylolamines in a mass ratio of 1: 2, or a mixture thereof.
The preparation method of the antifungal fully synthetic grinding fluid of this embodiment includes the following steps:
a. preparation of aqueous extreme pressure lubricant: mixing tall oil fatty acid ester and alkyl alcohol amine, stirring, heating to 80 ℃, reacting to a transparent state, adding distilled water for dissolving, and preparing a transparent water-based extreme pressure lubricant for later use;
b. mixing and stirring triethanolamine and boric acid according to mass percent, heating to 130 ℃, preserving heat for 1 hour, cooling to below 60 ℃, then sequentially adding distilled water, an aqueous extreme pressure lubricant, a ternary carboxylate-based compound antirust agent, benzotriazole, nonylphenol polyoxyethylene ether, an ethylenediaminetetraacetic acid disodium salt chelating agent and sebacic acid according to mass percent, stirring for 20min, then adding three-dimensional siloxane, and continuously stirring until the mixture is in a uniform and transparent state.
The application method of the antifungal fully synthetic grinding fluid of the embodiment comprises the following steps: grinding fluid and water are mixed according to the volume ratio of 1: the dilution of 40 times is used for cooling and lubricating the ferrous metal grinding machining.
Example four
The antifungal fully-synthetic grinding fluid comprises the following raw materials in percentage by mass: 3% of ethylenediamine tetraacetic acid disodium salt chelating agent, 1% of sebacic acid, 10% of nonylphenol polyoxyethylene ether, 5% of aqueous extreme pressure lubricant, 5% of boric acid, 0.5% of benzotriazole, 15% of triethanolamine, 20% of tribasic carboxylic acid base compound antirust agent, 0.05% of three-dimensional siloxane and the balance of distilled water, wherein the balance is added to 100%.
In this embodiment, the aqueous extreme pressure lubricant is tall oil fatty acid ester and alkylolamines in a mass ratio of 1: 2, or a mixture thereof.
The preparation method of the antifungal fully synthetic grinding fluid of this embodiment includes the following steps:
a. preparation of aqueous extreme pressure lubricant: mixing tall oil fatty acid ester and alkyl alcohol amine, stirring, heating to 120 ℃, reacting to a transparent state, adding distilled water for dissolving, and preparing a transparent water-based extreme pressure lubricant for later use;
b. mixing and stirring triethanolamine and boric acid according to mass percent, heating to 100 ℃, preserving heat for 1 hour, cooling to below 60 ℃, sequentially adding distilled water, an aqueous extreme pressure lubricant, a ternary carboxylate-based compound antirust agent, benzotriazole, nonylphenol polyoxyethylene ether, an ethylenediaminetetraacetic acid disodium salt chelating agent and sebacic acid according to mass percent, stirring for 40min, then adding three-dimensional siloxane, and continuously stirring until the mixture is in a uniform and transparent state.
The application method of the antifungal fully synthetic grinding fluid of the embodiment comprises the following steps: grinding fluid and water are mixed according to the volume ratio of 1: the dilution of 20 times is used for cooling and lubricating the ferrous metal grinding machining.
EXAMPLE five
The antifungal fully-synthetic grinding fluid comprises the following raw materials in percentage by mass: 1% of ethylenediamine tetraacetic acid disodium salt chelating agent, 2% of sebacic acid, 10% of nonylphenol polyoxyethylene ether, 5% of aqueous extreme pressure lubricant, 3% of boric acid, 1% of benzotriazole, 8% of triethanolamine, 28% of tribasic carboxylic acid base compound antirust agent, 0.02% of three-dimensional siloxane and the balance of distilled water, wherein the balance is added to 100%.
In this embodiment, the aqueous extreme pressure lubricant is tall oil fatty acid ester and alkylolamines in a mass ratio of 1: 2, or a mixture thereof.
The preparation method of the antifungal fully synthetic grinding fluid of this embodiment includes the following steps:
a. preparation of aqueous extreme pressure lubricant: mixing tall oil fatty acid ester and alkyl alcohol amine, stirring, heating to 90 ℃, reacting to a transparent state, adding distilled water for dissolving, and preparing a transparent water-based extreme pressure lubricant for later use;
b. mixing and stirring triethanolamine and boric acid according to mass percent, heating to 110 ℃, preserving heat for 1 hour, cooling to below 60 ℃, sequentially adding distilled water, an aqueous extreme pressure lubricant, a ternary carboxylate-based compound antirust agent, benzotriazole, nonylphenol polyoxyethylene ether, an ethylenediaminetetraacetic acid disodium salt chelating agent and sebacic acid according to mass percent, stirring for 25min, then adding three-dimensional siloxane, and continuously stirring until the mixture is in a uniform and transparent state.
The application method of the antifungal fully synthetic grinding fluid of the embodiment comprises the following steps: grinding fluid and water are mixed according to the volume ratio of 1: the dilution of 20-40 times is used for cooling and lubricating the ferrous metal grinding machining.
EXAMPLE six
The antifungal fully-synthetic grinding fluid comprises the following raw materials in percentage by mass: 2% of ethylenediamine tetraacetic acid disodium salt chelating agent, 2% of sebacic acid, 8% of nonylphenol polyoxyethylene ether, 8% of aqueous extreme pressure lubricant, 3% of boric acid, 0.8% of benzotriazole, 10% of triethanolamine, 25% of tribasic carboxylic acid base compound antirust agent, 0.03% of three-dimensional siloxane and the balance of distilled water, wherein the balance is added to 100%.
In this embodiment, the aqueous extreme pressure lubricant is tall oil fatty acid ester and alkylolamines in a mass ratio of 1: 2, or a mixture thereof.
The preparation method of the antifungal fully synthetic grinding fluid of this embodiment includes the following steps:
a. preparation of aqueous extreme pressure lubricant: mixing tall oil fatty acid ester and alkyl alcohol amine, stirring, heating to 100 ℃, reacting to a transparent state, adding distilled water for dissolving, and preparing a transparent aqueous extreme pressure lubricant for later use;
b. mixing and stirring triethanolamine and boric acid according to mass percent, heating to 110 ℃, preserving heat for 1 hour, cooling to below 60 ℃, sequentially adding distilled water, an aqueous extreme pressure lubricant, a ternary carboxylate-based compound antirust agent, benzotriazole, nonylphenol polyoxyethylene ether, an ethylenediaminetetraacetic acid disodium salt chelating agent and sebacic acid according to mass percent, stirring for 30min, then adding three-dimensional siloxane, and continuously stirring until the mixture is in a uniform and transparent state.
The application method of the antifungal fully synthetic grinding fluid of the embodiment comprises the following steps: grinding fluid and water are mixed according to the volume ratio of 1: the dilution is 30 times for cooling and lubricating the ferrous metal grinding.
In the above embodiment, the tribasic carboxylic acid alcohol amine salt based compound rust inhibitor is a tribasic acid rust inhibitor NEUF485, a product of noctay biotechnology (combined fertilizer) limited.
The aqueous cooling lubricating fluid for ferrous metal grinding processing prepared by the invention in the embodiment is diluted by water and then used, the diluent has excellent lubricating property, antirust property and settling property, each index of 5% of the diluent reaches or exceeds related indexes of GB6144-2010, the corrosion of copper sheets is 1A, the corrosion of cast iron antirust single sheets is more than 72h, and the particle size of dispersed particles of the lubricating fluid is less than 0.02 mu m. The oil change period of the centralized oil tank is 2-3 years, and the oil change period of the single oil tank is 12-18 months, namely, the grinding fluid can be kept in the single oil tank for more than one year without smelling and deteriorating, so that the strong antifungal capability and the long service life of the grinding fluid can be shown.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. An antifungal fully synthetic grinding fluid is characterized in that: the grinding fluid comprises the following raw materials in percentage by mass: 1-3% of ethylenediamine tetraacetic acid disodium salt chelating agent, 1-3% of sebacic acid, 5-10% of nonionic surfactant, 5-10% of aqueous extreme pressure lubricant, 2-5% of boric acid, 0.5-1% of benzotriazole, 5-15% of triethanolamine, 20-30% of tricarboxylic acid alcohol amine salt based compound antirust agent, 0.02-0.05% of defoaming agent and the balance of distilled water added to 100%.
2. The antifungal fully synthetic grinding fluid of claim 1 wherein: the grinding fluid comprises the following raw materials in percentage by mass: 2% of ethylenediamine tetraacetic acid disodium salt chelating agent, 2% of sebacic acid, 8% of nonionic surfactant, 8% of aqueous extreme pressure lubricant, 3% of boric acid, 0.8% of benzotriazole, 10% of triethanolamine, 25% of tricarboxylic acid alcohol amine salt-based compound antirust agent, 0.03% of defoaming agent and the balance of distilled water added to 100%.
3. The antifungal fully synthetic grinding fluid of claim 1 wherein: the nonionic surfactant is nonylphenol polyoxyethylene ether.
4. The antifungal fully synthetic grinding fluid of claim 3, wherein: the defoaming agent is three-dimensional siloxane.
5. The antifungal fully synthetic grinding fluid of claim 4, wherein: the aqueous extreme pressure lubricant is a mixture of tall oil fatty acid ester and alkyl alcohol amine.
6. The antifungal fully synthetic grinding fluid of claim 5, wherein: the mass ratio of the tall oil fatty acid ester to the alkyl alcohol amine is 1: 2.
7. the method for preparing the antifungal fully synthetic grinding fluid according to claim 1, characterized in that: the method comprises the following steps:
a. preparation of aqueous extreme pressure lubricant: mixing and stirring tall oil fatty acid ester and alkyl alcohol amine, heating to react to a transparent state, and adding distilled water for dissolving to prepare a transparent water-based extreme pressure lubricant for later use;
b. mixing and stirring triethanolamine and boric acid according to mass percent, heating for reaction, preserving heat, cooling to below 60 ℃, sequentially adding distilled water, an aqueous extreme pressure lubricant, a tricarboxylate-based compound antirust agent, benzotriazole, a nonionic surfactant, an ethylenediaminetetraacetic acid disodium salt chelating agent and sebacic acid according to mass percent, stirring for 20-40min, then adding a defoaming agent, and continuously stirring until the mixture is in a uniform and transparent state.
8. The method for preparing the antifungal fully synthetic grinding fluid according to claim 7, characterized in that: in step a, tall oil fatty acid ester and alkyl alcohol amine are heated to a temperature of 80-120 ℃.
9. The method for preparing the antifungal fully synthetic grinding fluid according to claim 8, characterized in that: in the step b, the triethanolamine and the boric acid are heated to the temperature of 100-.
10. The method of using the antifungal fully synthetic grinding fluid of claim 1, wherein: grinding fluid and water are mixed according to the volume ratio of 1: diluting by 20-40 times for cooling and lubricating in ferrous metal grinding.
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