CN109810749B - Fully synthetic cutting fluid - Google Patents

Fully synthetic cutting fluid Download PDF

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CN109810749B
CN109810749B CN201910159896.0A CN201910159896A CN109810749B CN 109810749 B CN109810749 B CN 109810749B CN 201910159896 A CN201910159896 A CN 201910159896A CN 109810749 B CN109810749 B CN 109810749B
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acid
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triethanolamine
cutting fluid
weight ratio
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CN109810749A (en
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冯帆
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Fulaide Technology Zhejiang Co ltd
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Fulaide Technology Zhejiang Co ltd
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Abstract

The invention relates to the technical field of metal cutting lubrication, in particular to a fully-synthetic cutting fluid. A fully synthetic cutting fluid comprises the following components: comprises the following components: triethanolamine and derivatives thereof, antirust agent, Turkey red oil, glycerol, oleic acid, antibacterial agent and water. The cutting fluid provided by the invention has good antirust performance, lubricating performance and cleaning performance when in use, is not prone to decay and deterioration, can keep clear and transparent in the use process, has good stability, is not prone to decomposition at high temperature, and has long indoor storage period. In addition, the product can be widely used for rust prevention among working procedures of steel materials, cast iron, mechanical parts, alloy steel product components and materials, has long rust prevention period, does not contain harmful substances such as chloride, phenol and the like, can not burn skin, and meets the requirement of environmental protection.

Description

Fully synthetic cutting fluid
Technical Field
The invention belongs to the technical field of metal cutting lubrication, and particularly relates to a fully synthetic cutting fluid.
Background
The cutting fluid is an industrial fluid used for cooling and lubricating cutters and workpieces in the process of metal cutting and grinding, and is prepared by scientifically compounding and matching various functional additives. As an important auxiliary matching material for metal cutting processing, the metal cutting fluid can prolong the service life of a cutter and a grinding tool, improve the smoothness of a workpiece and reduce cutting and grinding forces, and has the main functions of cooling, lubricating, rust preventing and cleaning. Generally used cutting fluids mainly comprise oil base cutting fluids and water base cutting fluids, in recent years, water base cutting fluids have remarkable characteristics in the aspects of cooling property, cleaning property, rust prevention property, lubricating property and the like and are more and more widely applied, and the water base cutting fluids can be divided into micro emulsion type, emulsion type and total synthesis type. With the rigorous requirements of new processing technology and new material in the manufacturing of mechanical equipment and the continuous development of new water-soluble additives, the water-based cutting fluid is rapidly developed.
The semisynthetic water-soluble cutting fluid on the market at present is easy to corrode workpieces, is volatile and easy to decompose, is very unfavorable for the health of operators who contact the cutting fluid for a long time, is difficult to treat waste water, and needs to add oil-water separation equipment and entrust an environmental protection company for recovery treatment. In addition, the rotating speed S and the process quantity F of the conventional cutting fluid cannot meet the requirement of machining capacity.
The traditional fully synthetic cutting fluid has certain advantages in the aspects of cleaning and heat dissipation, but has poor antirust and lubricating properties. Although the microemulsified cutting fluid combines the advantages of fully-synthesized cutting fluid and emulsified oil, a great amount of lipophilic and hydrophilic surfactants exist in the preparation process, so that the diluent has excessive foam and the processing is influenced. The emulsified oil has excellent lubricating and rust preventing properties, but has a short service life. Therefore, there is a need to develop a cutting fluid that has good lubrication, rust prevention, and cleaning effects, and is clear during use to facilitate observation of a workpiece.
Disclosure of Invention
In order to solve the above problems, a first aspect of the present invention provides a fully synthetic cutting fluid comprising the following components: triethanolamine and derivatives thereof, antirust agent, Turkey red oil, glycerol, oleic acid, antibacterial agent and water.
As a preferable technical scheme, the paint comprises the following components in parts by weight: 5-15 parts of triethanolamine and derivatives thereof, 3-10 parts of antirust agent, 1-7 parts of Turkey red oil, 2-8 parts of glycerol, 1-6 parts of oleic acid, 0.5-3 parts of antibacterial agent and 40-70 parts of water.
As a preferred technical solution, the triethanolamine and its derivatives are selected from one or more of methanolamine, monoethanolamine, diethanolamine, propanolamine, 1, 2-dipropanolamine, monoethanolamine borate, diethanolamine boric acid monoester, triethanolamine borate, tall oil acid diethylamide borate.
As a preferable technical scheme, the antirust agent comprises monoacid, diacid, triacid and sulfonate.
In a preferred embodiment, the monobasic acid is selected from one or more of glycolic acid, lactic acid, glyceric acid, gluconic acid, salicylic acid, 2-hydroxyisobutyric acid, 3-hydroxybutyric acid, 4-hydroxybutyric acid, 2-hydroxy-n-butyric acid, 2-hydroxyhexanoic acid, 3-hydroxyhexanoic acid, 4-hydroxyhexanoic acid, 5-hydroxyhexanoic acid, 6-hydroxyhexanoic acid, 2-hydroxyvaleric acid, 3-hydroxyvaleric acid, oleic acid, isooctanoic acid, 4-hydroxyvaleric acid, and hydroxypropanesulfonic acid.
As a preferred technical scheme, the dibasic acid is selected from one or more of malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, 2, 3-dimethyl glutaric acid, diglycolic acid and 2, 5-norbornane dicarboxylic acid.
As a preferred technical scheme, the tribasic acid comprises a tribasic polycarboxylic acid.
As a preferable technical scheme, the sulfonate is selected from one or more of alkyl sulfonate, sulfamate and aryl sulfonate.
As a preferable technical scheme, the antibacterial agent is selected from one or more of quaternary ammonium salt, isothiazolinone, glutaraldehyde and dithiocyano-methane.
As a preferable technical scheme, the weight ratio of the triethanolamine, the derivative thereof and the antirust agent is (1.5-1.7): 1.
has the advantages that: the cutting fluid provided by the invention has good antirust performance, lubricating performance and cleaning performance when in use, is not prone to decay and deterioration, can keep clear and transparent in the use process, has good stability, is not prone to decomposition at high temperature, and has long indoor storage period. In addition, the product can be widely used for rust prevention among working procedures of steel materials, cast iron, mechanical parts, alloy steel product components and materials, has long rust prevention period, does not contain harmful substances such as chloride, phenol and the like, can not burn skin, and meets the requirement of environmental protection.
Detailed Description
The technical features of the technical solutions provided by the present invention are further clearly and completely described below with reference to the specific embodiments, and the scope of protection is not limited thereto.
The words "preferred", "more preferred", and the like, in the present invention refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
When a range of values is disclosed herein, the range is considered to be continuous and includes both the minimum and maximum values of the range, as well as each value between such minimum and maximum values. Further, when a range refers to an integer, each integer between the minimum and maximum values of the range is included. Further, when multiple range-describing features or characteristics are provided, the ranges may be combined. In other words, unless otherwise indicated, all ranges disclosed herein are to be understood to encompass any and all subranges subsumed therein. For example, a stated range from "1 to 10" should be considered to include any and all subranges between the minimum value of 1 and the maximum value of 10. Exemplary subranges of the range 1 to 10 include, but are not limited to, 1 to 6.1, 3.5 to 7.8, 5.5 to 10, and the like.
In order to solve the above problems, a first aspect of the present invention provides a fully synthetic cutting fluid comprising the following components: triethanolamine and derivatives thereof, antirust agent, Turkey red oil, glycerol, oleic acid, antibacterial agent and water.
In a preferred embodiment, the composition comprises the following components in parts by weight: 5-15 parts of triethanolamine and derivatives thereof, 3-10 parts of antirust agent, 1-7 parts of Turkey red oil, 2-8 parts of glycerol, 1-6 parts of oleic acid, 0.5-3 parts of antibacterial agent and 40-70 parts of water.
Triethanolamine and derivatives thereof
The triethanolamine provided by the invention is a heterocyclic compound and an aliphatic compound containing N atoms, and can be adsorbed on the surface of a substrate to form a hydrophobic film so as to achieve a slow release effect on metal corrosion.
In a preferred embodiment, the triethanolamine and its derivatives are selected from one or more of methanolamine, monoethanolamine, diethanolamine, propanolamine, 1, 2-dipropanolamine, monoethanolamine borate, diethanolamine boronic acid monoester, triethanolamine borate, tall oil acid diethylamide borate.
In a more preferred embodiment, the triethanolamine and its derivatives are triethanolamine and triethanolamine borate in a weight ratio of (2.5 to 3.5): 1 is obtained by compounding.
Rust inhibitor
The rust inhibitor is a super high-efficiency synthetic penetrating agent, can be strongly penetrated into rust, corrosive substances and oil stains so as to easily remove the rust and the corrosive substances on screws and bolts, and has the properties of penetrating rust removal, loosening lubrication, corrosion resistance, metal protection and the like.
In a preferred embodiment, the rust inhibitor comprises a monobasic acid, a dibasic acid, a tribasic acid, a sulfonate.
Preferably, the monobasic acid is selected from one or more of glycolic acid, lactic acid, glyceric acid, gluconic acid, salicylic acid, 2-hydroxyisobutyric acid, 3-hydroxybutyric acid, 4-hydroxybutyric acid, 2-hydroxy-n-butyric acid, 2-hydroxyhexanoic acid, 3-hydroxyhexanoic acid, 4-hydroxyhexanoic acid, 5-hydroxyhexanoic acid, 6-hydroxyhexanoic acid, 2-hydroxyvaleric acid, 3-hydroxyvaleric acid, oleic acid, isooctanoic acid, 4-hydroxyvaleric acid, and hydroxypropyl sulfonic acid.
More preferably, the monobasic acid is isooctanoic acid.
Preferably, the dibasic acid is selected from one or more of malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, 2, 3-dimethylglutaric acid, diglycolic acid, 2, 5-norbornane dicarboxylic acid.
More preferably, the dibasic acid is sebacic acid.
Preferably, the tribasic acid is a tribasic polycarboxylic acid, which is available from Shanghai spectra chemical materials Co., Ltd, and has a model number of L-90.
Preferably, the sulfonate is selected from one or more of alkyl sulfonate, amino sulfonate and aryl sulfonate.
More preferably, the sulfonate is dodecylbenzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of (6.5-8): 1, and the CAS number of piperazine-1, 4-diethylsulfonic acid is 5623-37-6.
More preferably, the antirust agent is a mixture of isooctanoic acid, sebacic acid, tricarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, tricarboxylic acid and sulfonate is (4-6): (1-3): (1-3): 1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of (6.5-8): 1 is obtained by compounding.
In a preferred embodiment, the weight ratio of the triethanolamine and the derivative thereof to the rust inhibitor is (1.5 to 1.7): 1.
the invention adopts organic acid with certain lubricating property as the antirust agent, because the antirust agent has good water solubility and excellent cooling property, but the inventor finds that when the organic acid is singly used as the antirust agent, the use period of the antirust agent is shortened due to easy damage of microorganisms, and the cutter is easy to break in high-speed grinding cutting, so the inventor adds a certain amount of sulfonate into the antirust agent, when the weight ratio of the triethanolamine, the derivative thereof and the antirust agent is (1.5-1.7): 1, the product not only has better antirust performance and improved stability, but also has certain lubricity. The inventor speculates that under the synergistic action of the components, the antirust agent component firstly chelates and flocculates the chips to form precipitates after emulsification, further disperses oil stains, secondly, the antirust agent component is alkaline under the combined action of triethanolamine and derivatives thereof, the antirust agent component and the metal react with each other on the metal surface to generate a composite deposition film, and under the interaction of various films, the interfacial property and the charge state of the metal surface are changed, so that the energy of the surface is in a stable state, and the antirust effect is achieved.
Taigu oil
The Turkey red oil is also called Turkey red oil, madder oil and red oil, the chemical name of the main component is ricinoleic acid sulfate sodium salt, and the Turkey red oil is prepared by the reaction of castor oil and concentrated sulfuric acid at a lower temperature and the neutralization of the reaction product by sodium hydroxide.
The source of the Turkey oil is not particularly limited in the invention, and the Turkey oil can be obtained by synthesis or by commercial purchase, preferably, the Turkey oil contains oil content of more than or equal to 70%, and sulfonation group of more than or equal to 1.8%, and can be purchased from the company of Schchen Taixin Lanxing science and technology, Inc.
Glycerol
The glycerol, namely the glycerol, is colorless, odorless, sweet in taste and clear and viscous in appearance, is an organic matter and has the CAS number of 56-81-5.
Oleic acid
The oleic acid is an unsaturated fatty acid and exists in animals and plants.
The source of the oleic acid is not particularly limited in the present invention, and it can be commercially obtained, for example, from Shandong Yangxin oil & fat chemical Co., Ltd.
According to the invention, the Turkey red oil, the glycerol and the oleic acid are used as the lubricating agents, so that the lubricating agents can be well blended into a system, and the proportion of each component is adjusted to be in an appropriate range, so that the product can be kept clear to better work.
Antibacterial agent
The antimicrobial agents of the present invention, also known as biocides, bactericidal algicides, microbicides, and the like, generally refer to chemical agents that are effective in controlling or killing microorganisms, bacteria, fungi, and algae, in aqueous systems.
In a preferred embodiment, the antimicrobial agent is selected from one or more of quaternary ammonium salts, isothiazolinones, glutaraldehyde, dithiocyanomethane.
More preferably, the antibacterial agent comprises BIT-20, the chemical name of BIT-20 is 1, 2-phenylpropanoid isothiazolin-3-ketone, and the antibacterial agent is a broad-spectrum and long-acting antibacterial agent for killing various bacteria, yeasts and molds.
Further preferably, the antibacterial agent further comprises modified nano-silica; more preferably, the modified nano-silica is imidazole chloride salt modified nano-silica, and the preparation steps are as follows:
(1) respectively feeding 1-methylimidazole and 3-chloropropyl-3-methoxysilane into a round-bottom flask, magnetically stirring and refluxing for 3 days at 80 ℃, repeatedly washing the obtained crude product with diethyl ether for 3 times, and then performing vacuum drying at 40 ℃ for 12 hours to remove the diethyl ether to obtain a light yellow viscous liquid which is a chlorinated 1-methyl-3- (3-trimethoxysilylpropyl) imidazole product;
(2) mixing nano SiO2Respectively feeding the powder and 1-methyl-3- (3-trimethoxysilylpropyl) imidazole chloride into a three-neck round-bottom flask, magnetically stirring, refluxing at 100 ℃ for 8h at constant temperature, and adding SiO in the feeding process2Dissolving the powder in dimethylacetamide, magnetically stirring the solution uniformly at 90 ℃, slowly adding a dimethylacetamide solution in which 1-methyl-3- (3-trimethoxysilylpropyl) imidazole chloride is dissolved into the solution by using a constant-pressure dropping funnel, and controlling the dropping speed to be 4-5 seconds per drop to obtain the modified nano silicon dioxide.
Wherein the molar ratio of the 1-methylimidazole to the 3-chloropropyl-3-methoxysilane is 1: 1.2; the mol ratio of the nano SiO2 powder to the chlorinated 1-methyl-3- (3-trimethoxysilylpropyl) imidazole is 1: 1.8.
in a preferred embodiment, the antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of BIT-20 to modified nano-silica is (5-9): 1.
the inventor of the application finds that the antibacterial property is enhanced by adding nano-silica into the antibacterial agent, the storage period of a product can be prolonged, but the dispersibility of nano-powder in a system is poor, so that the inventor adopts the modified nano-silica to improve the dispersibility, the antibacterial property and the antirust property, and speculates that the possible reason is that the nano-particles roll with metal in a friction way to form a protective film, and the modified nano-particles react with positively charged substances to be complexed with metal atoms in the abrasion process or combined with positive charge sites left after electrons escape from the surface of the metal, so that a surface film with stable property is further formed, the surface film competes with other components under the extreme pressure condition, the abrasion caused by stability is weakened, and the defect that the film forming effect of the other components is poor at high temperature is overcome.
The second aspect of the invention provides a preparation method of a fully synthetic cutting fluid, which comprises the following steps:
(1) weighing triethanolamine and its derivatives, adding into water, stirring, and heating to 35-50 deg.C;
(2) adding the antirust agent and the oleic acid into the mixture obtained in the step (1) while stirring, and then adding the Turkey red oil and the glycerol;
(3) and (3) adding an antibacterial agent into the mixture obtained in the step (2), uniformly stirring, cooling to room temperature, and discharging.
The present invention will now be described in detail by way of examples, and the starting materials used are commercially available unless otherwise specified.
Examples
Example 1
Embodiment 1 provides a fully synthetic cutting fluid, which comprises the following components in parts by weight: 5 parts of triethanolamine and derivatives thereof, 3 parts of antirust agent, 1 part of Turkey red oil, 2 parts of glycerol, 1 part of oleic acid, 0.5 part of antibacterial agent and 40 parts of water.
The triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of 2.5: 1 is obtained by compounding.
The antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is 4: 1: 1: 1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of 6.5: 1 is obtained by compounding.
The Turkey oil was purchased from the Chenchen platform Xin Lanxing Tech Co.
The oleic acid was purchased from grease chemical company, Inc., Yangxin industries, Shandong.
The antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of the BIT-20 to the modified nano-silica is 5: 1.
the modified nano-silica is imidazole chloride salt modified nano-silica and is prepared by the following steps:
(1) respectively feeding 1-methylimidazole and 3-chloropropyl-3-methoxysilane into a round-bottom flask, magnetically stirring and refluxing for 3 days at 80 ℃, repeatedly washing the obtained crude product with diethyl ether for 3 times, and then performing vacuum drying at 40 ℃ for 12 hours to remove the diethyl ether to obtain a light yellow viscous liquid which is a chlorinated 1-methyl-3- (3-trimethoxysilylpropyl) imidazole product;
(2) mixing nano SiO2Powder, chlorinated 1-methyl-3- (3)Respectively feeding-trimethoxysilylpropyl) imidazole into a three-neck round-bottom flask, magnetically stirring, refluxing at constant temperature of 100 ℃ for 8h, and in the feeding process, adding SiO2Dissolving the powder in dimethylacetamide, magnetically stirring the solution uniformly at 90 ℃, slowly adding a dimethylacetamide solution in which 1-methyl-3- (3-trimethoxysilylpropyl) imidazole chloride is dissolved into the solution by using a constant-pressure dropping funnel, and controlling the dropping speed to be 4-5 seconds per drop to obtain the modified nano silicon dioxide.
Wherein the molar ratio of the 1-methylimidazole to the 3-chloropropyl-3-methoxysilane is 1: 1.2; nano SiO2The mol ratio of the powder to the 1-methyl-3- (3-trimethoxysilylpropyl) imidazole chloride is 1: 1.8.
a preparation method of a fully synthetic cutting fluid comprises the following steps:
(1) weighing triethanolamine and its derivatives, adding into water, stirring, and heating to 40 deg.C;
(2) adding the antirust agent and the oleic acid into the mixture obtained in the step (1) while stirring, and then adding the Turkey red oil and the glycerol;
(3) and (3) adding an antibacterial agent into the mixture obtained in the step (2), uniformly stirring, cooling to room temperature, and discharging.
Example 2
Embodiment 2 provides a fully synthetic cutting fluid, which comprises the following components in parts by weight: 15 parts of triethanolamine and derivatives thereof, 10 parts of antirust agent, 7 parts of Turkey red oil, 8 parts of glycerol, 6 parts of oleic acid, 3 parts of antibacterial agent and 70 parts of water.
The triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of 3.5: 1 is obtained by compounding.
The antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is 6: 3: 3: 1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of 8: 1 is obtained by compounding.
The Turkey oil was purchased from the Chenchen platform Xin Lanxing Tech Co.
The oleic acid was purchased from grease chemical company, Inc., Yangxin industries, Shandong.
The antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of the BIT-20 to the modified nano-silica is 9: 1.
the modified nano-silica is imidazole chloride modified nano-silica, and the preparation steps are the same as those of example 1.
A preparation method of a fully synthetic cutting fluid, which comprises the same steps as example 1.
Example 3
Embodiment 3 provides a fully synthetic cutting fluid, which comprises the following components in parts by weight: 8 parts of triethanolamine and derivatives thereof, 5 parts of antirust agent, 3 parts of Turkey red oil, 3 parts of glycerol, 2 parts of oleic acid, 1 part of antibacterial agent and 45 parts of water.
The triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of 3: 1 is obtained by compounding.
The antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is 5: 1: 1.5: 1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of 7: 1 is obtained by compounding.
The Turkey oil was purchased from the Chenchen platform Xin Lanxing Tech Co.
The oleic acid was purchased from grease chemical company, Inc., Yangxin industries, Shandong.
The antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of the BIT-20 to the modified nano-silica is 6: 1.
the modified nano-silica is imidazole chloride modified nano-silica, and the preparation steps are the same as those of example 1.
A preparation method of a fully synthetic cutting fluid, which comprises the same steps as example 1.
Example 4
Embodiment 4 provides a fully synthetic cutting fluid, which comprises the following components in parts by weight: 12 parts of triethanolamine and derivatives thereof, 8 parts of antirust agent, 6 parts of Turkey red oil, 6 parts of glycerol, 5 parts of oleic acid, 2 parts of antibacterial agent and 60 parts of water.
The triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of 3: 1 is obtained by compounding.
The antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is 5.5: 2: 3: 1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of 7.5: 1 is obtained by compounding.
The Turkey oil was purchased from the Chenchen platform Xin Lanxing Tech Co.
The oleic acid was purchased from grease chemical company, Inc., Yangxin industries, Shandong.
The antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of the BIT-20 to the modified nano-silica is 8: 1.
the modified nano-silica is imidazole chloride modified nano-silica, and the preparation steps are the same as those of example 1.
A preparation method of a fully synthetic cutting fluid, which comprises the same steps as example 1.
Example 5
Embodiment 5 provides a fully synthetic cutting fluid comprising the following components in parts by weight: 10 parts of triethanolamine and derivatives thereof, 6 parts of antirust agent, 4 parts of Turkey red oil, 4 parts of glycerol, 3 parts of oleic acid, 1.5 parts of antibacterial agent and 50 parts of water.
The triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of 3: 1 is obtained by compounding.
The antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is 5: 2: 2: 1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of 7: 1 is obtained by compounding.
The Turkey oil was purchased from the Chenchen platform Xin Lanxing Tech Co.
The oleic acid was purchased from grease chemical company, Inc., Yangxin industries, Shandong.
The antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of the BIT-20 to the modified nano-silica is 7: 1.
the modified nano-silica is imidazole chloride modified nano-silica, and the preparation steps are the same as those of example 1.
A preparation method of a fully synthetic cutting fluid, which comprises the same steps as example 1.
Comparative example 1
Comparative example 1 provides a fully synthetic cutting fluid comprising the following components in parts by weight: 0.5 part of triethanolamine and derivatives thereof, 6 parts of antirust agent, 4 parts of Turkey red oil, 4 parts of glycerol, 3 parts of oleic acid, 1.5 parts of antibacterial agent and 50 parts of water.
The triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of 3: 1 is obtained by compounding.
The antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is 5: 2: 2: 1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of 7: 1 is obtained by compounding.
The Turkey oil was purchased from the Chenchen platform Xin Lanxing Tech Co.
The oleic acid was purchased from grease chemical company, Inc., Yangxin industries, Shandong.
The antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of the BIT-20 to the modified nano-silica is 7: 1.
the modified nano-silica is imidazole chloride modified nano-silica, and the preparation steps are the same as those of example 1.
A preparation method of a fully synthetic cutting fluid, which comprises the same steps as example 1.
Comparative example 2
Comparative example 2 provides a fully synthetic cutting fluid comprising the following components in parts by weight: 10 parts of triethanolamine and derivatives thereof, 0.2 part of antirust agent, 4 parts of Turkey red oil, 4 parts of glycerol, 3 parts of oleic acid, 1.5 parts of antibacterial agent and 50 parts of water.
The triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of 3: 1 is obtained by compounding.
The antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is 5: 2: 2: 1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of 7: 1 is obtained by compounding.
The Turkey oil was purchased from the Chenchen platform Xin Lanxing Tech Co.
The oleic acid was purchased from grease chemical company, Inc., Yangxin industries, Shandong.
The antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of the BIT-20 to the modified nano-silica is 7: 1.
the modified nano-silica is imidazole chloride modified nano-silica, and the preparation steps are the same as those of example 1.
A preparation method of a fully synthetic cutting fluid, which comprises the same steps as example 1.
Comparative example 3
Comparative example 3 provides a fully synthetic cutting fluid comprising the following components in parts by weight: 10 parts of triethanolamine and derivatives thereof, 6 parts of antirust agent, 4 parts of Turkey red oil, 4 parts of glycerol, 3 parts of oleic acid, 0 part of antibacterial agent and 50 parts of water.
The triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of 3: 1 is obtained by compounding.
The antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is 5: 2: 2: 1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of 7: 1 is obtained by compounding.
The Turkey oil was purchased from the Chenchen platform Xin Lanxing Tech Co.
The oleic acid was purchased from grease chemical company, Inc., Yangxin industries, Shandong.
The modified nano-silica is imidazole chloride modified nano-silica, and the preparation steps are the same as those of example 1.
A preparation method of a fully synthetic cutting fluid, which comprises the same steps as example 1.
Comparative example 4
Comparative example 4 provides a fully synthetic cutting fluid comprising the following components in parts by weight: 10 parts of triethanolamine and derivatives thereof, 6 parts of antirust agent, 4 parts of Turkey red oil, 4 parts of glycerol, 3 parts of oleic acid, 1.5 parts of antibacterial agent and 50 parts of water.
The triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of 3: 0.1 compounding.
The antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is 5: 2: 2: 1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of 7: 1 is obtained by compounding.
The Turkey oil was purchased from the Chenchen platform Xin Lanxing Tech Co.
The oleic acid was purchased from grease chemical company, Inc., Yangxin industries, Shandong.
The antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of the BIT-20 to the modified nano-silica is 7: 1.
the modified nano-silica is imidazole chloride modified nano-silica, and the preparation steps are the same as those of example 1.
A preparation method of a fully synthetic cutting fluid, which comprises the same steps as example 1.
Comparative example 5
Comparative example 5 provides a fully synthetic cutting fluid comprising the following components in parts by weight: 10 parts of triethanolamine and derivatives thereof, 6 parts of antirust agent, 4 parts of Turkey red oil, 4 parts of glycerol, 3 parts of oleic acid, 1.5 parts of antibacterial agent and 50 parts of water.
The triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of 3: 1 is obtained by compounding.
The antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is 5: 2: 2: 0.1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of 7: 1 is obtained by compounding.
The Turkey oil was purchased from the Chenchen platform Xin Lanxing Tech Co.
The oleic acid was purchased from grease chemical company, Inc., Yangxin industries, Shandong.
The antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of the BIT-20 to the modified nano-silica is 7: 1.
the modified nano-silica is imidazole chloride modified nano-silica, and the preparation steps are the same as those of example 1.
A preparation method of a fully synthetic cutting fluid, which comprises the same steps as example 1.
Comparative example 6
Comparative example 6 provides a fully synthetic cutting fluid comprising the following components in parts by weight: 10 parts of triethanolamine and derivatives thereof, 6 parts of antirust agent, 4 parts of Turkey red oil, 4 parts of glycerol, 3 parts of oleic acid, 1.5 parts of antibacterial agent and 50 parts of water.
The triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of 3: 1 is obtained by compounding.
The antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is 5: 2: 2: 1; the sulfonate is dodecyl benzene sulfonic acid amine and piperazine-1, 4-diethylsulfonic acid according to the weight ratio of 7: 1 is obtained by compounding.
The Turkey oil was purchased from the Chenchen platform Xin Lanxing Tech Co.
The oleic acid was purchased from grease chemical company, Inc., Yangxin industries, Shandong.
The antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of the BIT-20 to the modified nano-silica is 7: 0.1.
the modified nano-silica is imidazole chloride modified nano-silica, and the preparation steps are the same as those of example 1.
A preparation method of a fully synthetic cutting fluid, which comprises the same steps as example 1.
Evaluation of Performance
1.65 ℃ character test: the stability of the products prepared in the examples and comparative examples at 65 ℃ was observed visually.
2. And (3) testing the rust resistance: the test was performed according to the method defined in QB/T2117-1995: antirust property (cast iron single piece, 5% aqueous solution, 35 + -2 deg.C, RH (90 + -2)%, day).
3. And (3) corrosion test: the test was carried out according to the method specified in GB/T2361-1992 (5% in water, aluminum flakes, 49 ℃, 24 h).
4. And (3) stability testing: 5g of the product prepared in the examples and comparative examples is weighed to 0.1g, placed in a measuring cylinder with a plug, water with the hardness of 6000ppm is added to the position of a 100mL marked line, the measuring cylinder is tightly covered and shaken for 1min, 50mL of diluent is sucked into a 50mL burette by a pipette, and the precipitated volume of the soap is observed after the measuring cylinder is placed for 3d, wherein the soap is a layer of white ester on the upper surface of the diluent.
TABLE 1
Property at 65 ℃ Rust preventive property/day Corrosiveness of stability/mL
Example 1 No turbidity and no delamination 435 Does not change color 1.5
Example 2 No turbidity and no delamination 450 Does not change color 1.2
Example 3 No turbidity and no delamination 465 Does not change color 1.5
Example 4 No turbidity and no delamination 480 Does not change color 1
Example 5 No turbidity and no delamination 500 Does not change color 1
Comparative example 1 Turbidity, delamination 350 Color change 2.5
Comparative example 2 Turbidity, delamination 380 Color change 2.8
Comparative example 3 Turbidity, delamination 280 Color change 2.0
Comparative example 4 Turbidity, delamination 415 Color change 2.3
Comparative example 5 No turbidity and no delamination 385 Color change 2.5
Comparative example 6 No turbidity and no delamination 365 Color change 1.6

Claims (2)

1. The fully synthetic cutting fluid is characterized by comprising the following components in parts by weight: 5-15 parts of triethanolamine and derivatives thereof, 3-10 parts of antirust agent, 1-7 parts of Turkey red oil, 2-8 parts of glycerol, 1-6 parts of oleic acid, 0.5-3 parts of antibacterial agent and 40-70 parts of water; the triethanolamine and the derivative thereof are triethanolamine and triethanolamine borate according to the weight ratio of (2.5-3.5): 1, compounding to obtain; the antirust agent is a mixture of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate, wherein the weight ratio of isooctanoic acid, sebacic acid, ternary polycarboxylic acid and sulfonate is (4-6): (1-3): (1-3): 1; the antibacterial agent comprises BIT-20 and modified nano-silica, wherein the weight ratio of the BIT-20 to the modified nano-silica is (5-9): 1; the modified nano silicon dioxide is imidazole chloride salt modified nano silicon dioxide.
2. The fully synthetic cutting fluid according to claim 1, wherein the weight ratio of the triethanolamine and the derivative thereof to the rust inhibitor is (1.5-1.7): 1.
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