CN108485779B - Antirust cutting fluid and preparation method thereof - Google Patents
Antirust cutting fluid and preparation method thereof Download PDFInfo
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- CN108485779B CN108485779B CN201810400531.8A CN201810400531A CN108485779B CN 108485779 B CN108485779 B CN 108485779B CN 201810400531 A CN201810400531 A CN 201810400531A CN 108485779 B CN108485779 B CN 108485779B
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- 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
- 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
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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
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
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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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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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- 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
- C10M2215/08—Amides
- C10M2215/082—Amides containing hydroxyl groups; Alkoxylated derivatives
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- 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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- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
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- 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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- 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
- C10N2030/64—Environmental friendly compositions
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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
- 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 antirust cutting fluid which comprises the following raw materials in parts by weight: 40-95 parts of water, 1-8 parts of triethanolamine, 0.2-1.7 parts of alkyl sodium sulfonate, 0.1-0.8 part of citric acid, 0.02-0.5 part of benzotriazole, 0.1-1.2 parts of alkyl phosphate, 0.2-3.5 parts of sodium citrate, 0.1-0.8 part of sodium polyacrylate, 0.3-2.3 parts of coconut diethanolamide, 2-13 parts of polyethylene glycol and 0.2-1.2 parts of sulfonated oil. The invention also discloses a preparation method of the antirust cutting fluid. The cutting fluid prepared by the invention has good lubricating, cooling and antirust properties, is simple in component, belongs to an environment-friendly water-based cutting fluid, is convenient to prepare, can be industrially produced on a large scale, and has wide market prospect.
Description
Technical Field
The invention relates to the technical field of cutting fluid, in particular to antirust cutting fluid and a preparation method thereof.
Background
Metal cutting is the most common and widely used one of metal working. The metal cutting process is a process of cutting off (or grinding) excess metal from a blank by using a tool (or a grinding tool) under the condition that a machine tool provides necessary motion and power, so as to obtain a workpiece with satisfactory shape, precision and surface quality. Cutting processes can be classified into turning, milling, drilling, planing, locking, twisting, drawing, grinding, and the like, depending on the shape, accuracy, and surface quality of a workpiece. When a metal material is cut (or ground) to a predetermined specification, a fluid injected between a tool and the cut metal material is used as a cutting fluid in order to reduce friction between the tool and a workpiece, increase lubricity, remove heat generated by the friction, and improve productivity. The cutting fluid plays a role in lubricating and cooling machining tools and parts in the metal cutting machining process, and the performance indexes of the cutting fluid directly influence the quality, efficiency and cost of cutting machining.
Along with the development of the whole technology of the mechanical industry, the cutting speed of a machine tool is higher, the cutting load is higher, the cutting temperature is higher, and meanwhile, new processes are continuously generated to adapt to the processing of new materials, so that the processing requirements are met by novel high-performance cutting fluid. At present, cutting fluids can be divided into two types, namely oil-soluble cutting fluids and water-soluble cutting fluids. The common oil-soluble cutting fluid has good lubricating property, but poor cooling property, contains a large amount of organic matters, pollutes the environment in the production and use processes, and the water-soluble cutting fluid has the problem of poor lubricating property and rust-proof effect, so that a large amount of equipment is scrapped due to rusting and corrosion in the operation process, the service life of the equipment is shortened, and the cost is increased. Therefore, it is important to develop an environment-friendly water-based cutting fluid with excellent rust prevention and no (or low) environmental pollution without affecting the service performance of the cutting fluid.
Disclosure of Invention
The invention aims to provide an antirust cutting fluid and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an antirust cutting fluid comprises the following raw materials in parts by weight: 40-95 parts of water, 1-8 parts of triethanolamine, 0.2-1.7 parts of alkyl sodium sulfonate, 0.1-0.8 part of citric acid, 0.02-0.5 part of benzotriazole, 0.1-1.2 parts of alkyl phosphate, 0.2-3.5 parts of sodium citrate, 0.1-0.8 part of sodium polyacrylate, 0.3-2.3 parts of coconut diethanolamide, 2-13 parts of polyethylene glycol and 0.2-1.2 parts of sulfonated oil.
As a further scheme of the invention: the feed comprises the following raw materials in parts by weight: 50-80 parts of water, 3-7 parts of triethanolamine, 0.5-1.5 parts of alkyl sodium sulfonate, 0.3-0.7 part of citric acid, 0.1-0.3 part of benzotriazole, 0.3-0.8 part of alkyl phosphate, 1-3 parts of sodium citrate, 0.3-0.7 part of sodium polyacrylate, 1-2 parts of coconut diethanolamide, 6-11 parts of polyethylene glycol and 0.6-1 part of sulfonated oil.
As a still further scheme of the invention: the feed comprises the following raw materials in parts by weight: 60 parts of water, 5 parts of triethanolamine, 1 part of sodium alkylsulfonate, 0.5 part of citric acid, 0.2 part of benzotriazole, 0.5 part of alkyl phosphate ester salt, 2 parts of sodium citrate, 0.5 part of sodium polyacrylate, 1.5 parts of coconut diethanolamide, 8 parts of polyethylene glycol and 0.8 part of sulfonated oil.
The preparation method of the antirust cutting fluid comprises the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding into a container, mixing, dispersing for 10-20min by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring at room temperature after adding to obtain a mixture A;
2) sequentially dropwise adding benzotriazole and alkyl phosphate into the mixture A obtained in the step 1), sending into an ultrasonic processor for ultrasonic treatment, adding sulfonated oil, mechanically stirring for 5-15min, filtering, and removing impurities to obtain the final product.
As a still further scheme of the invention: in the step 1), the rotation speed of the high-speed dispersion machine is 1000-2000 rpm.
As a still further scheme of the invention: in the step 1), the mechanical stirring time is 20-40 min.
As a still further scheme of the invention: in the step 2), the ultrasonic treatment time is 20-50 min.
As a still further scheme of the invention: in the step 2), the ultrasonic frequency of the ultrasonic treatment is 30-50 kHz.
As a still further scheme of the invention: in the step 2), the filtering is performed by a 400-mesh filter screen.
The antirust cutting fluid is applied to preparation of cutting fluid products.
Compared with the prior art, the invention has the beneficial effects that:
the antirust cutting fluid prepared by the invention has lubricating and cooling properties and excellent antirust properties, can provide good protection for metal cutting processing, has simple components, belongs to an environment-friendly water-based cutting fluid, is convenient to prepare, can be produced in a large-scale industrialized manner, and has wide market prospect.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
An antirust cutting fluid comprises the following raw materials in parts by weight: 40 parts of water, 1 part of triethanolamine, 0.2 part of alkyl sodium sulfonate, 0.1 part of citric acid, 0.02 part of benzotriazole, 0.1 part of alkyl phosphate ester salt, 0.2 part of sodium citrate, 0.1 part of sodium polyacrylate, 0.3 part of coconut oleic acid diethanolamide, 2 parts of polyethylene glycol and 0.2 part of sulfonated oil.
In this embodiment, the preparation method of the antirust cutting fluid includes the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the mixture into a container for mixing, performing dispersion treatment for 15min at 1800rpm by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring for 30min at room temperature after the addition is finished to obtain a mixture A;
2) sequentially dropwise adding benzotriazole and alkyl phosphate into the mixture A obtained in the step 1), sending into an ultrasonic processor, performing ultrasonic treatment for 30min at the ultrasonic frequency of 45kHz, adding sulfonated oil, mechanically stirring for 10min, filtering with a 400-mesh filter screen, and removing impurities to obtain the final product.
Example 2
An antirust cutting fluid comprises the following raw materials in parts by weight: 75 parts of water, 4 parts of triethanolamine, 0.8 part of alkyl sodium sulfonate, 0.4 part of citric acid, 0.25 part of benzotriazole, 0.6 part of alkyl phosphate ester salt, 1.6 parts of sodium citrate, 0.4 part of sodium polyacrylate, 1.1 part of coconut diethanolamide, 6 parts of polyethylene glycol and 0.6 part of sulfonated oil.
In this embodiment, the preparation method of the antirust cutting fluid includes the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the mixture into a container for mixing, performing dispersion treatment for 15min at 1800rpm by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring for 30min at room temperature after the addition is finished to obtain a mixture A;
2) sequentially dropwise adding benzotriazole and alkyl phosphate into the mixture A obtained in the step 1), sending into an ultrasonic processor, performing ultrasonic treatment for 30min at the ultrasonic frequency of 45kHz, adding sulfonated oil, mechanically stirring for 10min, filtering with a 400-mesh filter screen, and removing impurities to obtain the final product.
Example 3
An antirust cutting fluid comprises the following raw materials in parts by weight: 95 parts of water, 8 parts of triethanolamine, 1.7 parts of sodium alkylsulfonate, 0.8 part of citric acid, 0.5 part of benzotriazole, 1.2 parts of alkyl phosphate salt, 3.5 parts of sodium citrate, 0.8 part of sodium polyacrylate, 2.3 parts of coconut diethanolamide, 13 parts of polyethylene glycol and 1.2 parts of sulfonated oil.
In this embodiment, the preparation method of the antirust cutting fluid includes the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the mixture into a container for mixing, performing dispersion treatment for 15min at 1800rpm by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring for 30min at room temperature after the addition is finished to obtain a mixture A;
2) sequentially dropwise adding benzotriazole and alkyl phosphate into the mixture A obtained in the step 1), sending into an ultrasonic processor, performing ultrasonic treatment for 30min at the ultrasonic frequency of 45kHz, adding sulfonated oil, mechanically stirring for 10min, filtering with a 400-mesh filter screen, and removing impurities to obtain the final product.
Example 4
An antirust cutting fluid comprises the following raw materials in parts by weight: 50 parts of water, 3 parts of triethanolamine, 0.5 part of alkyl sodium sulfonate, 0.3 part of citric acid, 0.1 part of benzotriazole, 0.3 part of alkyl phosphate, 1 part of sodium citrate, 0.3 part of sodium polyacrylate, 1 part of coconut diethanolamide, 6 parts of polyethylene glycol and 0.6 part of sulfonated oil.
In this embodiment, the preparation method of the antirust cutting fluid includes the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the mixture into a container for mixing, performing dispersion treatment for 15min at 1800rpm by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring for 30min at room temperature after the addition is finished to obtain a mixture A;
2) sequentially dropwise adding benzotriazole and alkyl phosphate into the mixture A obtained in the step 1), sending into an ultrasonic processor, performing ultrasonic treatment for 30min at the ultrasonic frequency of 45kHz, adding sulfonated oil, mechanically stirring for 10min, filtering with a 400-mesh filter screen, and removing impurities to obtain the final product.
Example 5
An antirust cutting fluid comprises the following raw materials in parts by weight: 65 parts of water, 5 parts of triethanolamine, 1 part of sodium alkylsulfonate, 0.5 part of citric acid, 0.2 part of benzotriazole, 0.4 part of alkyl phosphate, 1.5 parts of sodium citrate, 0.5 part of sodium polyacrylate, 1.5 parts of coconut diethanolamide, 8 parts of polyethylene glycol and 0.8 part of sulfonated oil.
In this embodiment, the preparation method of the antirust cutting fluid includes the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the mixture into a container for mixing, performing dispersion treatment for 15min at 1800rpm by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring for 30min at room temperature after the addition is finished to obtain a mixture A;
2) sequentially dropwise adding benzotriazole and alkyl phosphate into the mixture A obtained in the step 1), sending into an ultrasonic processor, performing ultrasonic treatment for 30min at the ultrasonic frequency of 45kHz, adding sulfonated oil, mechanically stirring for 10min, filtering with a 400-mesh filter screen, and removing impurities to obtain the final product.
Example 6
An antirust cutting fluid comprises the following raw materials in parts by weight: 80 parts of water, 7 parts of triethanolamine, 1.5 parts of sodium alkylsulfonate, 0.7 part of citric acid, 0.3 part of benzotriazole, 0.8 part of alkyl phosphate salt, 3 parts of sodium citrate, 0.7 part of sodium polyacrylate, 2 parts of coconut diethanolamide, 11 parts of polyethylene glycol and 1 part of sulfonated oil.
In this embodiment, the preparation method of the antirust cutting fluid includes the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the mixture into a container for mixing, performing dispersion treatment for 15min at 1800rpm by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring for 30min at room temperature after the addition is finished to obtain a mixture A;
2) sequentially dropwise adding benzotriazole and alkyl phosphate into the mixture A obtained in the step 1), sending into an ultrasonic processor, performing ultrasonic treatment for 30min at the ultrasonic frequency of 45kHz, adding sulfonated oil, mechanically stirring for 10min, filtering with a 400-mesh filter screen, and removing impurities to obtain the final product.
Example 7
An antirust cutting fluid comprises the following raw materials in parts by weight: 60 parts of water, 5 parts of triethanolamine, 1 part of sodium alkylsulfonate, 0.5 part of citric acid, 0.2 part of benzotriazole, 0.5 part of alkyl phosphate ester salt, 2 parts of sodium citrate, 0.5 part of sodium polyacrylate, 1.5 parts of coconut diethanolamide, 8 parts of polyethylene glycol and 0.8 part of sulfonated oil.
In this embodiment, the preparation method of the antirust cutting fluid includes the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the mixture into a container for mixing, performing dispersion treatment for 15min at 1800rpm by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring for 30min at room temperature after the addition is finished to obtain a mixture A;
2) sequentially dropwise adding benzotriazole and alkyl phosphate into the mixture A obtained in the step 1), sending into an ultrasonic processor, performing ultrasonic treatment for 30min at the ultrasonic frequency of 45kHz, adding sulfonated oil, mechanically stirring for 10min, filtering with a 400-mesh filter screen, and removing impurities to obtain the final product.
Comparative example 1
An antirust cutting fluid comprises the following raw materials in parts by weight: 60 parts of water, 5 parts of triethanolamine, 1 part of alkyl sodium sulfonate, 0.5 part of citric acid, 0.5 part of alkyl phosphate salt, 2 parts of sodium citrate, 0.5 part of sodium polyacrylate, 1.5 parts of coconut diethanolamide, 8 parts of polyethylene glycol and 0.8 part of sulfonated oil.
In this embodiment, the preparation method of the antirust cutting fluid includes the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the mixture into a container for mixing, performing dispersion treatment for 15min at 1800rpm by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring for 30min at room temperature after the addition is finished to obtain a mixture A;
2) and (2) sequentially dropwise adding alkyl phosphate into the mixture A obtained in the step 1), sending into an ultrasonic processor, carrying out ultrasonic treatment for 30min at the ultrasonic frequency of 45kHz, then adding sulfonated oil, mechanically stirring for 10min, filtering with a 400-mesh filter screen, and removing impurities to obtain the product.
Comparative example 2
An antirust cutting fluid comprises the following raw materials in parts by weight: 60 parts of water, 5 parts of triethanolamine, 1 part of sodium alkylsulfonate, 0.5 part of citric acid, 0.2 part of benzotriazole, 2 parts of sodium citrate, 0.5 part of sodium polyacrylate, 1.5 parts of coconut diethanolamide, 8 parts of polyethylene glycol and 0.8 part of sulfonated oil.
In this embodiment, the preparation method of the antirust cutting fluid includes the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the mixture into a container for mixing, performing dispersion treatment for 15min at 1800rpm by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring for 30min at room temperature after the addition is finished to obtain a mixture A;
2) sequentially dropwise adding benzotriazole into the mixture A obtained in the step 1), sending into an ultrasonic processor, performing ultrasonic treatment for 30min at the ultrasonic frequency of 45kHz, adding sulfonated oil, mechanically stirring for 10min, filtering with a 400-mesh filter screen, and removing impurities to obtain the final product.
Comparative example 3
An antirust cutting fluid comprises the following raw materials in parts by weight: 60 parts of water, 5 parts of triethanolamine, 1 part of sodium alkylsulfonate, 0.5 part of citric acid, 2 parts of sodium citrate, 0.5 part of sodium polyacrylate, 1.5 parts of coconut diethanolamide, 8 parts of polyethylene glycol and 0.8 part of sulfonated oil.
In this embodiment, the preparation method of the antirust cutting fluid includes the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the mixture into a container for mixing, performing dispersion treatment for 15min at 1800rpm by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring for 30min at room temperature after the addition is finished to obtain a mixture A;
2) sending the mixture A obtained in the step 1) into an ultrasonic processor, carrying out ultrasonic treatment for 30min at the ultrasonic frequency of 45kHz, then adding sulfonated oil, mechanically stirring for 10min, filtering by a 400-mesh filter screen, and removing impurities to obtain the catalyst.
Comparative example 4
An antirust cutting fluid comprises the following raw materials in parts by weight: 60 parts of water, 5 parts of triethanolamine, 1 part of sodium alkylsulfonate, 0.5 part of citric acid, 0.2 part of benzotriazole, 0.5 part of alkyl phosphate ester salt, 2 parts of sodium citrate, 0.5 part of sodium polyacrylate, 1.5 parts of coconut diethanolamide, 8 parts of polyethylene glycol and 0.8 part of sulfonated oil.
In this embodiment, the preparation method of the antirust cutting fluid includes the following steps:
1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the mixture into a container for mixing, performing dispersion treatment for 15min at 1800rpm by using a high-speed dispersion machine, then sequentially adding sodium polyacrylate, coconut diethanolamide and polyethylene glycol, and mechanically stirring for 30min at room temperature after the addition is finished to obtain a mixture A;
2) sequentially dropwise adding benzotriazole and alkyl phosphate into the mixture A obtained in the step 1), mechanically stirring for 30min, then adding sulfonated oil, mechanically stirring for 10min, filtering with a 400-mesh filter screen, and removing impurities to obtain the final product.
The rust inhibitive cutting fluids obtained in examples 1 to 7 and comparative examples 1 to 4 were subjected to a single chip rust inhibitive performance test according to GB/T6144-85, and the results of the single chip rust inhibitive performance test of examples 1 to 7 and comparative examples 1 to 4 are shown in Table 1.
According to the comparison of the data of the embodiment 7 and the data of the comparative examples 1 to 4, the antirust cutting fluid prepared by the invention has excellent antirust performance, can provide good protection for metal cutting processing, has simple components, belongs to an environment-friendly water-based cutting fluid, and is beneficial to improving the antirust performance of the antirust cutting fluid by adding benzotriazole and alkyl phosphate salt which are matched with each other.
In addition, as can be seen from the comparison of the data in example 7 and comparative example 4, the benzotriazole and the alkyl phosphate salt can exert better effects by the ultrasonic dispersion treatment, and further improve the rust prevention performance of the rust-proof cutting fluid. TABLE 1 Single sheet antirust property test results table
| Group of | Single sheet rust inhibitive performance test (h) |
| Example 1 | 79 |
| Example 2 | 83 |
| Example 3 | 81 |
| Example 4 | 78 |
| Example 5 | 84 |
| Example 6 | 82 |
| Example 7 | 90 |
| Comparative example 1 | 68 |
| Comparative example 2 | 65 |
| Comparative example 3 | 45 |
| Comparative example 4 | 78 |
The antirust cutting fluid prepared by the invention has lubricating and cooling properties and excellent antirust properties, can provide good protection for metal cutting processing, has simple components, belongs to an environment-friendly water-based cutting fluid, is convenient to prepare, can be produced in a large-scale industrialized manner, and has wide market prospect.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (3)
1. The antirust cutting fluid is characterized by comprising the following raw materials in parts by weight: 40-95 parts of water, 1-8 parts of triethanolamine, 0.2-1.7 parts of alkyl sodium sulfonate, 0.1-0.8 part of citric acid, 0.02-0.5 part of benzotriazole, 0.1-1.2 parts of alkyl phosphate, 0.2-3.5 parts of sodium citrate, 0.1-0.8 part of sodium polyacrylate, 0.3-2.3 parts of coconut diethanolamide, 2-13 parts of polyethylene glycol and 0.2-1.2 parts of sulfonated oil; the preparation method of the antirust cutting fluid comprises the following steps: 1) weighing water, triethanolamine, sodium alkylsulfonate, citric acid and sodium citrate according to the weight parts, adding the water, the triethanolamine, the sodium alkylsulfonate, the citric acid and the sodium citrate into a container for mixing, performing dispersion treatment for 10-20min by using a high-speed dispersion machine, wherein the rotating speed of the high-speed dispersion machine is 1000-2000rpm, then sequentially adding the sodium polyacrylate, the coconut diethanolamide and the polyethylene glycol, and after the addition is finished, mechanically stirring for 20-40min at room temperature to obtain a mixture A; 2) sequentially dropwise adding benzotriazole and alkyl phosphate into the mixture A obtained in the step 1), sending into an ultrasonic processor for ultrasonic treatment for 20-50min, wherein the ultrasonic frequency of the ultrasonic treatment is 30-50kHz, then adding sulfonated oil, mechanically stirring for 5-15min, filtering with a 400-mesh filter screen, and removing impurities to obtain the antirust cutting fluid.
2. The antirust cutting fluid according to claim 1, characterized by comprising the following raw materials in parts by weight: 50-80 parts of water, 3-7 parts of triethanolamine, 0.5-1.5 parts of alkyl sodium sulfonate, 0.3-0.7 part of citric acid, 0.1-0.3 part of benzotriazole, 0.3-0.8 part of alkyl phosphate, 1-3 parts of sodium citrate, 0.3-0.7 part of sodium polyacrylate, 1-2 parts of coconut diethanolamide, 6-11 parts of polyethylene glycol and 0.6-1 part of sulfonated oil.
3. The antirust cutting fluid according to claim 2, characterized by comprising the following raw materials in parts by weight: 60 parts of water, 5 parts of triethanolamine, 1 part of sodium alkylsulfonate, 0.5 part of citric acid, 0.2 part of benzotriazole, 0.5 part of alkyl phosphate ester salt, 2 parts of sodium citrate, 0.5 part of sodium polyacrylate, 1.5 parts of coconut diethanolamide, 8 parts of polyethylene glycol and 0.8 part of sulfonated oil.
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