CN115651744B - Environment-friendly microemulsion cutting fluid - Google Patents
Environment-friendly microemulsion cutting fluid Download PDFInfo
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- CN115651744B CN115651744B CN202211007233.5A CN202211007233A CN115651744B CN 115651744 B CN115651744 B CN 115651744B CN 202211007233 A CN202211007233 A CN 202211007233A CN 115651744 B CN115651744 B CN 115651744B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention discloses an environment-friendly microemulsion cutting fluid, which relates to a lubricant for processing, and comprises the following components in parts by weight based on 100 parts by weight: 8-18 parts of castor oil, 10-25 parts of composite organic antirust agent, 0.2-0.8 part of nano additive, 3-12 parts of fatty alcohol polyoxyethylene ether-30, 3-8 parts of anionic surfactant, 1-3 parts of sodium tripolyphosphate, 0.1-0.3 part of polyether ester defoamer and the balance of water; wherein the compound organic antirust agent is tricaproic acid-6, 6' -melamine and ricinoleic acid alcohol amine according to the weight ratio of 2:1 by mass ratio; the nano additive is formed by compounding nano molybdenum disulfide and graphene according to a mass ratio of 1:1.4-1.9, wherein the nano molybdenum disulfide is of a sheet structure, the average sheet diameter is 90-150nm, and the average sheet diameter of the graphene is 110-170nm. The anionic surfactant is prepared from castor oil polyoxyethylene ether and polyethylene glycol 400 according to a mass ratio of 1:0.425-0.836; all components of the cutting fluid provided by the invention are environment-friendly and degradable, and are more friendly to the environment and operators.
Description
Technical Field
The invention relates to a lubricant for processing, in particular to an environment-friendly and reliable lubricant.
Background
The metal material processing process generally requires cutting fluid lubrication, and at present, the cutting fluid is mainly divided into water-based cutting fluid, oil-based cutting fluid and microemulsion cutting fluid. The oil-based cutting fluid has good lubricity and is suitable for machining procedures such as cutting, tapping, drilling and the like with high difficulty, but the cooling property is poor, oily components are difficult to degrade, and waste liquid after use is difficult to treat, so that the application of the oil-based cutting fluid is limited. The water-based cutting fluid has better performance, but has poor lubricity, is easy to mildew and has heavier smell in summer, so the water-based cutting fluid is also limited by larger application.
In contrast, the water-based microemulsion cutting fluid has good lubricity and cooling property, and is popular in the market. However, as the mechanical manufacturing process progresses toward the high-precision tip, new requirements are put on the environmental protection performance, the service life, the lubrication effect and the like of the cutting fluid product, the existing microemulsion cutting fluid cannot fully meet the market demand, and it is necessary to develop a novel environmental protection type long-life high-efficiency microemulsion cutting fluid.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an environment-friendly microemulsion cutting fluid, so as to solve the technical problems of environmental protection, short service life and the like in the cutting fluid product in the prior art.
The invention is realized by the following technical scheme:
the environment-friendly microemulsion cutting fluid comprises the following components in parts by weight based on 100 parts by weight of the whole: 8-18 parts of castor oil, 10-25 parts of composite organic antirust agent, 0.2-0.8 part of nano additive, 3-12 parts of fatty alcohol polyoxyethylene ether-30, 3-8 parts of anionic surfactant, 1-3 parts of sodium tripolyphosphate, 0.1-0.3 part of polyether ester defoamer and the balance of water; wherein the compound organic antirust agent is alcohol amine tricarboxylic acid and alcohol amine ricinoleate according to the weight ratio of 2:1 by mass ratio; the nano additive is formed by compounding nano molybdenum disulfide and graphene according to a mass ratio of 1:1.4-1.9, and the anionic surfactant is formed by compounding castor oil polyoxyethylene ether and polyethylene glycol 400 according to a mass ratio of 1:0.425-0.836.
Further, the alcohol amine tricarboxylic acid is specifically tricarboxylic acid-6, 6',6 "-melamine.
Further, the nano molybdenum disulfide is of a sheet structure, the average sheet diameter is 90-150nm, and the average sheet diameter of the graphene is 110-170nm.
Further, the preparation method of the cutting fluid comprises the following steps:
step one, preparing all components of the cutting fluid according to mass percentages;
respectively adding the castor oil and the anionic surfactant prepared in the first step into a reaction kettle A, setting the rotating speed to be 200-300r/min, stirring for 5-15 minutes at the temperature of 45-55 ℃, then heating the solution to 65 ℃, adding the nano additive prepared in the first step, setting the rotating speed to be 200-300r/min, stirring for 5-10 minutes, and standing to return to the room temperature to obtain a solution A;
step three, adding the water prepared in the step one into a reaction kettle B, heating to 50-65 ℃, setting the rotating speed to 250-400r/min, stirring, and sequentially and slowly adding the fatty alcohol polyoxyethylene ether-30, sodium tripolyphosphate, the composite organic antirust agent and the polyether ester defoamer prepared in the step one, and stirring for 10-25 minutes;
and fourthly, slowly dripping the solution A obtained in the second step into the reaction kettle B corresponding to the third step by using a long neck funnel, stirring for 10-20 minutes at 55-65 ℃ and 150-300r/min, and standing to obtain the cutting fluid.
Compared with the prior art, the invention has the following advantages:
1. all components of the microemulsion cutting fluid are environment-friendly and degradable, are more friendly to the environment and operators, and can be directly discharged without complex treatment of waste liquid.
2. The microemulsion cutting fluid disclosed by the invention has the advantages of good stability, difficulty in layering, long service life, and no mildew, layering and the like in the cutting fluid after continuous cutting processing for more than 2 months, and the components are stably dispersed in the cutting fluid through control of a preparation process.
3. The microemulsion cutting fluid has excellent lubricating performance, and the friction coefficient is reduced by more than 20 percent compared with the prior product; the service life of the cutter is obviously prolonged, and compared with the conventional cutter replacement for continuously processing 40 working cycles, the cutter can be replaced after continuously processing more than 65 working cycles.
4. The micro-emulsion cutting fluid can obviously improve the cutting surface precision, and the performance and the machining precision of the cutting fluid can be obviously improved through the cooperation of various additives.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In examples 1 to 5, the composite organic rust inhibitor concerned is in particular tricaproic acid-6, 6',6 "-melamine and ricinoleic acid alcohol amine according to 2:1 by mass ratio;
the nano additive is formed by compounding nano molybdenum disulfide and graphene according to a mass ratio of 1:1.5, wherein the nano molybdenum disulfide is of a sheet structure, the average sheet diameter is 90-150nm, and the average sheet diameter of the graphene is 110-170nm;
the anionic surfactant is compounded by castor oil polyoxyethylene ether and polyethylene glycol 400 according to the mass ratio of 1:0.545.
Example 1
The microemulsion cutting fluid of the present embodiment is composed of the following components in 100 parts by weight as a whole:
15 parts of castor oil;
30-30 parts of fatty alcohol polyoxyethylene ether;
0.2 parts of nano additive;
20 parts of a composite organic antirust agent;
4 parts of sodium tripolyphosphate;
4.5 parts of anionic surfactant;
0.02 parts of polyether ester defoamer;
water is added to 100 parts;
the preparation method comprises the following steps:
(1) Firstly, respectively adding castor oil and an anionic surfactant into a reaction kettle A, setting the rotating speed to be 200r/min, stirring for 5 minutes at the temperature of 48 ℃, heating the solution to 65 ℃, adding a nano additive, stirring for 5 minutes at 200r/min, and standing to return to room temperature;
(2) Adding the prepared water into the reaction kettle B, heating to 60 ℃, setting the rotating speed to 300r/min, sequentially and slowly adding the fatty alcohol polyoxyethylene ether-30, sodium tripolyphosphate, the composite organic antirust agent and the polyether ester defoamer while stirring, and stirring for 10 minutes;
(3) Slowly dripping the solution obtained in the step (1) into the reaction kettle B in the step (2) by using a long neck funnel, stirring at 60 ℃ for 10 minutes at 200r/min, and standing to obtain the microemulsion cutting fluid.
The quality and processing effect of the microemulsion cutting fluid of this example are shown in table 1.
Example 2
The microemulsion cutting fluid of the present embodiment is composed of the following components in 100 parts by weight as a whole:
15 parts of castor oil;
30-30 parts of fatty alcohol polyoxyethylene ether;
0.2 parts of nano additive;
20 parts of a composite organic antirust agent;
4 parts of sodium tripolyphosphate;
4.5 parts of anionic surfactant;
0.02 parts of polyether ester defoamer;
water is added to 100 parts;
the preparation method comprises the following steps:
(1) Firstly, adding castor oil, an anionic surfactant and a nano additive into a reaction kettle A one by one, setting the rotating speed to be 200r/min, stirring for 5 minutes at 48 ℃, and standing to return to the room temperature;
(2) Adding the prepared water into the reaction kettle B, heating to 60 ℃, setting the rotating speed to 300r/min, stirring, sequentially and slowly adding the fatty alcohol polyoxyethylene ether-30, sodium tripolyphosphate, the composite organic antirust agent and the polyether ester defoamer, and stirring for 10 minutes;
(3) Slowly dripping the solution obtained in the step (1) into the reaction kettle in the step (2) by using a long neck funnel, stirring at 60 ℃ for 10 minutes at 200r/min, and standing to obtain the microemulsion cutting fluid.
The quality and processing effect of the microemulsion cutting fluid of this example are shown in table 1.
Example 3
The microemulsion cutting fluid of the present embodiment is composed of the following components in 100 parts by weight as a whole:
12 parts of castor oil;
30-6 parts of fatty alcohol polyoxyethylene ether;
0.4 parts of nano additive;
3.5 parts of anionic surfactant;
25 parts of a composite organic antirust agent;
4 parts of sodium tripolyphosphate;
0.02 parts of polyether ester defoamer;
water is added to 100 parts;
the preparation method comprises the following steps:
(1) Firstly, respectively adding castor oil and an anionic surfactant into a reaction kettle A, setting the rotating speed to be 200r/min, stirring for 5 minutes at the temperature of 48 ℃, heating the solution to 65 ℃, adding a nano additive, stirring for 5 minutes at 200r/min, and standing to return to room temperature;
(2) Adding the prepared water into the reaction kettle B, heating to 60 ℃, setting the rotating speed to 300r/min, stirring, sequentially and slowly adding the fatty alcohol polyoxyethylene ether-30, sodium tripolyphosphate, the composite organic antirust agent and the polyether ester defoamer, and stirring for 10 minutes;
(3) Slowly dripping the solution obtained in the step (1) into the reaction kettle B in the step (2) by using a long neck funnel, stirring at 60 ℃ for 10 minutes at 200r/min, and standing to obtain the microemulsion cutting fluid.
The quality and processing effect of the microemulsion cutting fluid of this example are shown in table 1.
Example 4
The microemulsion cutting fluid of the present embodiment is composed of the following components in 100 parts by weight as a whole:
15 parts of castor oil;
30-30 parts of fatty alcohol polyoxyethylene ether;
0.2 parts of nano graphene;
20 parts of a composite organic antirust agent;
4 parts of sodium tripolyphosphate;
4.5 parts of anionic surfactant;
0.02 parts of polyether ester defoamer;
water is added to 100 parts;
the preparation method comprises the following steps:
(1) According to the mass parts, firstly, castor oil and an anionic surfactant are respectively added into a reaction kettle A, the rotating speed is set to be 200r/min, the temperature is set to be 48 ℃, the stirring is carried out for 5 minutes, the temperature of the solution is increased to 65 ℃, then nano graphene is added, the stirring is carried out for 5 minutes at 200r/min, and the mixture is kept stand and returns to the room temperature;
(2) Adding the prepared water into the reaction kettle B, heating to 60 ℃, setting the rotating speed to 300r/min, sequentially and slowly adding the fatty alcohol polyoxyethylene ether-30, sodium tripolyphosphate, the composite organic antirust agent and the polyether ester defoamer while stirring, and stirring for 10 minutes;
(3) Slowly dripping the solution obtained in the step (1) into the reaction kettle B in the step (2) by using a long neck funnel, stirring at 60 ℃ for 10 minutes at 200r/min, and standing to obtain the microemulsion cutting fluid.
The quality and processing effect of the microemulsion cutting fluid of this example are shown in table 1.
Example 5
The microemulsion cutting fluid of the present embodiment is composed of the following components in 100 parts by weight as a whole:
13 parts of castor oil;
30-30 parts of fatty alcohol polyoxyethylene ether;
0.4 parts of nano additive;
22 parts of a composite organic antirust agent;
3 parts of sodium tripolyphosphate;
5.5 parts of anionic surfactant;
0.04 parts of polyether ester defoamer;
water is added to 100 parts;
the preparation method comprises the following steps:
(1) According to the mass parts, firstly, castor oil and an anionic surfactant are respectively added into a reaction kettle, the rotating speed is set to be 200r/min, the temperature is set to be 48 ℃, the stirring is carried out for 5 minutes, the temperature of the solution is increased to 65 ℃, then, a nano additive is added, the stirring is carried out for 5 minutes at 200r/min, and the mixture is kept stand and returns to the room temperature;
(2) Adding the prepared water into a reaction kettle according to the mass parts, heating to 60 ℃, stirring at the rotating speed of 300r/min, sequentially and slowly adding the fatty alcohol polyoxyethylene ether-30, sodium tripolyphosphate, the composite organic antirust agent and the polyether ester defoamer while stirring, and stirring for 10 minutes;
(3) And (3) slowly dripping the solution in the step (1) into the reaction kettle in the step (2) by using a long neck funnel, stirring at 60 ℃ for 10 minutes at 200r/min, and standing to obtain the microemulsion cutting fluid.
The quality and processing effect of the microemulsion cutting fluid of this example are shown in table 1.
Comparative example 1
The control example adopts the conventional microemulsion cutting fluid in the market as a control, and the control is the cutting fluid of kuofu KR-0018; the quality and processing effect of the cutting fluid of the comparative example are shown in Table 1.
TABLE 1
Note that: the actual measurement conditions in the table are that the hard alloy cutter performs surface processing on the 45 steel shaft type part, the machine tool rotating speed n=1400 r/min and the feeding speed V f =1.87 mm/s, feed f=0.08 mm/r.
As can be seen from the experimental results in the table 1, the problems of high efficiency, environmental protection and long service life of the micro-emulsion cutting fluid are perfected through component optimization, nano additive addition and special processing technology, and compared with the experimental examples in the comparative examples 1 and 5 groups, the nano additive can effectively improve the lubricity and the bactericidal property of the cutting fluid, better protect the cutter and prolong the service life. In terms of component ratio, the antibacterial property of the nano-agent is better released through the processing technology compared with the experimental example 1 and the experimental example 2. In comparative examples 3, 4 and 5, the rust inhibitive performance against metals and the extreme pressure properties of the respective experimental examples were also changed differently by adjusting the component ratios.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (2)
1. The environment-friendly microemulsion cutting fluid comprises the following components in parts by weight based on 100 parts by weight of the whole: 8-18 parts of castor oil, 10-25 parts of composite organic antirust agent, 0.2-0.8 part of nano additive, 3-12 parts of fatty alcohol polyoxyethylene ether-30, 3-8 parts of castor oil polyoxyethylene ether and polyethylene glycol 400 which are compounded according to the mass ratio of 1:0.425-0.836, 1-3 parts of sodium tripolyphosphate, 0.1-0.3 part of polyether ester defoamer and the balance of water; wherein the compound organic antirust agent is tricaproic acid-6, 6' -melamine and ricinoleic acid alcohol amine according to the weight ratio of 2:1 by mass ratio; the nano additive is formed by compounding nano molybdenum disulfide and graphene according to a mass ratio of 1:1.4-1.9;
the preparation method of the cutting fluid comprises the following steps:
step one, preparing each component of the cutting fluid by taking the whole as 100 parts by weight;
step two, respectively adding the castor oil, the castor oil polyoxyethylene ether and the polyethylene glycol 400 prepared in the step one into a reaction kettle A, setting the rotating speed to be 200-300r/min, stirring for 5-15 minutes at the temperature of 45-55 ℃, then heating the solution to 65 ℃, adding the nano additive prepared in the step one, setting the rotating speed to be 200-300r/min, stirring for 5-10 minutes, and standing and recovering to room temperature to obtain a solution A;
step three, adding the water prepared in the step one into a reaction kettle B, heating to 50-65 ℃, setting the rotating speed to 250-400r/min, stirring, and sequentially and slowly adding the fatty alcohol polyoxyethylene ether-30, sodium tripolyphosphate, the composite organic antirust agent and the polyether ester defoamer prepared in the step one, and stirring for 10-25 minutes;
and fourthly, slowly dripping the solution A obtained in the second step into the reaction kettle B corresponding to the third step by using a long neck funnel, stirring for 10-20 minutes at 55-65 ℃ and 150-300r/min, and standing to obtain the cutting fluid.
2. The environment-friendly microemulsion cutting fluid according to claim 1, wherein the nano molybdenum disulfide has a lamellar structure, the average lamellar diameter is 90-150nm, and the average lamellar diameter of graphene is 110-170nm.
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