CN101469289A - Water-base metal coolant composition and preparation - Google Patents
Water-base metal coolant composition and preparation Download PDFInfo
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- CN101469289A CN101469289A CN 200710078094 CN200710078094A CN101469289A CN 101469289 A CN101469289 A CN 101469289A CN 200710078094 CN200710078094 CN 200710078094 CN 200710078094 A CN200710078094 A CN 200710078094A CN 101469289 A CN101469289 A CN 101469289A
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Abstract
The invention discloses an environment-friendly water-based metal machining liquid containing a nano lubricant additive and a preparation method thereof. The composition comprises peptized nano silicon dioxide, polyethylene glycol, diethanolamine boride, benzotriazole and deionized water. The composition does not contain substances such as sodium nitrite, phenol, a chlorine extreme pressure agent, a sulfur extreme pressure agent and a phosphorus extreme pressure agent, accords with the environment-friendly requirement, and has superior lubrification due to introduction of nano silicon oxide.
Description
Technical field
The present invention relates to the metal working lubricant technology, particularly a kind of environmental friendliness aqueous cutting fluid that contains nanometer lubricating additive and preparation method thereof.
Background technology
As everyone knows, cutting fluid is absolutely necessary in metal cutting processing.Along with the development of mechanical industry, people begin to greatly develop advanced manufacturing technology, continue to bring out the processing that novel process adapts to novel material simultaneously, and this all needs novel high-performance cutting fluid to satisfy processing request.The more important thing is that along with the enhancing of people's environmental consciousness, cleaner production, green manufacturing have become one of theme of development advanced manufacturing technology.Because cutting fluid is occupied in use, processing, discharge process and consumed a large amount of energy and resource, the relevant expense that takes place therewith accounts for 30% of process for processing total expenses.So, research and develop novel cutting fluid and satisfy more and more higher processing request, energy-saving and cost-reducing simultaneously, the pollution that factors such as improvement and minimizing cutting fluid are brought to environment realizes the production that cleans in the manufacturing processed, is the new problem that we face.Along with the raising of cutting speed and the increase greatly of heat in metal cutting, the oil base cutting fluid is much smaller than water because of the thermal conductivity and the specific heat of oil, therefore can not meet the demands as cutting fluid with oil.At present, cooling performance preferably water-base cutting fluid obtained very big development.
Performance for water-base cutting fluid has following requirement usually: the extreme pressure anti-wear that (1) is excellent; (2) good rust-preventing characteristic; (3) anti-preferably hard water; (4) environmentally safe; (5) with other additive materials excellent compatibility is arranged; (6) chemical stability and antimicrobial property; (7) to the extensive versatility of multiple cutting way and workpiece material.In above-mentioned performance, extreme pressure and antiwear behavior is most important to the use properties of cutting fluid, and the cutting fluid of extreme pressure and antiwear behavior difference can cause, the damage of cutting tool, and the workpiece to be machined surface quality does not pass a test etc.The lifting of cutting fluid extreme pressure and antiwear behavior obtains by adding slip additive, and therefore, the key of cutting fluid development is the acquisition of excellent slip additive.
Current, the slip additive that is used for water-base cutting fluid is mainly the organic compound that some contain elements such as S, P, Cl, though they have certain extreme pressure and antiwear behavior, can cause severe contamination to environment.Along with the raising that people require work, living environment, the use of these additives will be subjected to more and more stricter control.Thereby the prescription that environment for use close friend's slip additive develops novel cutting fluid has important use value.
Summary of the invention
The object of the present invention is to provide a kind of environmental friendliness water-base metal coolant composition, it has the good lubrication performance and eco-friendly feature.
Another object of the present invention is to provide a kind of preparation method of environmental friendliness water-base metal coolant composition.
The present invention is achieved through the following technical solutions:
A kind of water-base metal coolant composition comprises following component and content, wherein, content by weight percentage:
Peptization nano silicon: 0.1～20%
Polyoxyethylene glycol: 0.1～20%
Boronation diethanolamine: 0.2～1.0%
124 Triazole: 0.1～0.3%
Deionized water: surplus.
Described peptization nano silicon, be meant can form the stable colloid dispersion system, the amorphous silica particles of particle diameter between 5～500 nanometers.
Described molecular weight polyethylene glycol scope is between 50～8000.
The preparation method of water-base metal coolant composition, it is characterized by this method is made up of following steps: (a) ethanol solution of preparation tetraethoxy, (b) under agitation add certain amount of ammonia water, in stirring reaction down 0.5～24 hour, (c) add the polyoxyethylene glycol component, (d) boil off solvent and ammoniacal liquor, be heated to 100～200 ℃ of reactions then and obtained peptization nano silicon (e) in 0.5～1 hour and add deionized water, boronation diethanolamine and 124 Triazole and mix.
In above-mentioned preparation method, the ethanol solution volumetric molar concentration of tetraethoxy is 0.01～0.5 mol.
In above-mentioned preparation method, the amount that adds ammoniacal liquor is 2～20% of a tetraethoxy ethanol solution weight.
Adopt the water-base metal coolant composition of method for preparing, wherein contain 0.1～20% nano silicon oxide, the particle diameter of silicon oxide can be regulated and control between 5～500 nanometers according to reaction conditions, silicon oxide and other component have formed stable colloidal dispersion, make prepared water-base metal coolant composition be transparent or the translucent clear liquid of oyster white, separating out or precipitating of silicon oxide particle can not taken place yet even leave standstill for a long time.
The particle diameter of said silicon oxide can be regulated and control between 5～500 nanometers according to reaction conditions, is meant that the amount by adding ammoniacal liquor realizes.
As everyone knows, silicon oxide is a kind of toxicological harmless material.Simultaneously, the nano particle of silicon oxide has unique light, electricity, magnetic, heat, superconduction and mechanical characteristic.As, its water resistance of plastic prod, transparency and the toughness of adding nano silicon improve greatly; Add the rubber of nano silicon, its elasticity, wear resistance all can obviously be better than the rubber that conventional carbon black is made filler; Add nano silicon, can improve poor, the shortcomings such as thixotropy is poor, weathering resistance is poor, abrasion resistance difference of suspension stability of solvent-based coating, film and also significantly increase such as body of wall bonding strength, hardness of film, clean surfaces ability.
Of the present invention discovering introduced eco-friendly monox nanometer particle the lubricity that can greatly improve cutting fluid in the formula system of metal working fluid.
The prerequisite that is used for metal working fluid of monox nanometer particle be silicon oxide can stable dispersion in cutting fluid, yet, common monox nanometer powder is directly joined in water or other liquid, be difficult to form stable colloidal dispersion, along with the prolongation of time of repose, the monox nanometer powder can be precipitated out gradually.Preparation method of the present invention has fundamentally solved the dispersion stabilization problem of monox nanometer particle in the metal working fluid component by in-situ preparing and in-situ modification.
Prior art is compared, and the present invention introduces the monox nanometer particle in the metal cutting liquid system as slip additive.Extreme-pressure anti-friction additives such as traditional sulphur, phosphorus, chlorine easily decompose in working angles, and generation has corrosive sulphur, muriate causes bow and arrow and lathe to get rusty, and is more obvious at processing cast iron particularly.Water-soluble nano additive nano SiO 2 particle among the present invention has good antifriction and wear-resistant effect, and comparatively excellent extreme pressure property, substitute traditional extreme pressure agent with it, can significantly improve the lubricity of metal working fluid on the one hand, also make this metal working fluid have the excellent feature of environmental protection in addition.
Embodiment
Below in conjunction with embodiment the present invention is done further concrete description.
Embodiment 1
The ethanolic soln that adds 0.2mol tetraethoxy (TEOS) and 980mL in the 2000ml reaction flask mixes the back and places 50 ℃ water bath with thermostatic control, fast 20mL ammoniacal liquor is splashed in the mixed solution under continuous stirring condition, makes it uniform mixing reaction 5 hours.After question response finishes, add the 20g molecular weight and be 500 polyoxyethylene glycol, distill out ethanol and ammoniacal liquor, be warmed up to 110 ℃ and insulation reaction 1 hour.After the cooling, add 2 gram boronation diethanolamine, 3 gram benzotriazoles add 500 milliliters of deionized waters then, and stirring promptly gets product.
Be the explanation usefulness that technical solution of the present invention reached, special preparation Comparative Examples does not contain nano silicon oxide in its component, and other composition is identical with embodiment.
The SRV-IV micro-moving frictional wear trier that adopts German Optimol grease company to produce carries out the embodiment investigation, and institute uses and tries that (59～61HRC), following examination dish is the SAE52100 steel disk into the SAE52100 steel ball.Measure the supporting capacity of product with reference to the ASTM D5706 of American Society for testing and materials method, test condition is: amplitude 1mm, frequency 20Hz, temperature load 100N for 25 ℃, every grade, every grade of time length 2min till the generation card is stung, represents load carrying capacity of lubricant to take place the blocking load of stinging.Test under the following conditions: amplitude 1mm, frequency 20Hz, 25 ℃ of temperature, load 100N, time 10min, represent the abrasion resistance of lubricant with steel disk surface abrasion system after finishing.The antifriction performance of representing lubricant with the average friction coefficient in the test process.Test result such as accompanying drawing 2, test-results show that the environmental friendliness water-base metal coolant composition of embodiment 1 has excellent lubricating property.
Embodiment 2
The ethanolic soln that adds 0.2mol tetraethoxy (TEOS) and 960mL in the 2000ml reaction flask mixes the back and places 50 ℃ water bath with thermostatic control, fast 40mL ammoniacal liquor is splashed in the mixed solution under continuous stirring condition, makes it uniform mixing reaction 5 hours.After question response finishes, add the 20g molecular weight and be 500 polyoxyethylene glycol, distill out ethanol and ammoniacal liquor, be warmed up to 110 ℃ and insulation reaction 1 hour.After the cooling, add 2 gram boronation diethanolamine rust-preventive agent, 3 gram benzotriazoles add 500 milliliters of deionized waters then, and stirring promptly gets product.
The test of lubricity is with embodiment 1, test result such as accompanying drawing 2, and test-results shows that the environmental friendliness water-base metal coolant composition of embodiment 2 has excellent lubricating property.
Embodiment 3
The ethanolic soln that adds 0.2mol tetraethoxy (TEOS) and 950mL in the 2000ml reaction flask mixes the back and places 50 ℃ water bath with thermostatic control, fast 50mL ammoniacal liquor is splashed in the mixed solution under continuous stirring condition, makes it uniform mixing reaction 5 hours.After question response finishes, add the 20g molecular weight and be 500 polyoxyethylene glycol, distill out ethanol and ammoniacal liquor, be warmed up to 110 ℃ and insulation reaction 1 hour.After the cooling, add 2 gram boronation diethanolamine rust-preventive agent, 3 gram benzotriazoles add 500 milliliters of deionized waters then, and stirring promptly gets product.
The test of lubricity is with embodiment 1, test result such as accompanying drawing 2, and test-results shows that the environmental friendliness water-base metal coolant composition of embodiment 3 has excellent lubricating property.
Embodiment 4
The ethanolic soln that adds 0.2mol tetraethoxy (TEOS) and 920mL in the 2000ml reaction flask mixes the back and places 50 ℃ water bath with thermostatic control, fast 80mL ammoniacal liquor is splashed in the mixed solution under continuous stirring condition, makes it uniform mixing reaction 5 hours.After question response finishes, add the 20g molecular weight and be 500 polyoxyethylene glycol, distill out ethanol and ammoniacal liquor, be warmed up to 110 ℃ and insulation reaction 1 hour.After the cooling, add 2 gram boronation diethanolamine rust-preventive agent, 3 gram benzotriazoles add 500 milliliters of deionized waters then, and stirring promptly gets product.
The test of lubricity is with embodiment 1, test result such as accompanying drawing 2, and test-results shows that the environmental friendliness water-base metal coolant composition of embodiment 4 has excellent lubricating property.
Table 1 is supporting capacity, the wear-resistant and antifriction performance of prepared example 1～4 among the present invention.From the table data as can be seen the environmental friendliness water-base metal coolant composition of all embodiment all have excellent lubricating property.
Table 1
| Particle diameter, nm | SD，N | Wear volume, * 10 6μm 3 | Frictional coefficient | |
| Basal liquid | 300 | 1.057 | 0.2211 | |
| Embodiment 1 | 10 | ≥1600 | 1.037 | 0.1792 |
| Embodiment 2 | 20 | 1300 | 1.040 | 0.1872 |
| Embodiment 3 | 50 | 1000 | 1.135 | 0.1894 |
| Embodiment 4 | 100 | 900 | 1.233 | 0.1906 |
Claims (4)
1, a kind of water-base metal coolant composition comprises following component and content, wherein, content by weight percentage:
Peptization nano silicon: 0.1～20%
Polyoxyethylene glycol: 0.1～20%
Boronation diethanolamine: 0.2～1.0%
124 Triazole: 0.1～0.3%
Deionized water: surplus.
2, the preparation method of water-base metal coolant composition according to claim 1, it is characterized in that this method is made up of following steps: (a) ethanol solution of preparation tetraethoxy, (b) under agitation add certain amount of ammonia water, in stirring reaction down 0.5～24 hour, (c) add the polyoxyethylene glycol component, (d) boil off solvent and ammoniacal liquor, be heated to 100～200 ℃ of reactions then and obtained peptization nano silicon (e) in 0.5～1 hour and add deionized water, boronation diethanolamine and 124 Triazole and mix.
3, method as claimed in claim 2, the ethanol solution volumetric molar concentration that it is characterized in that tetraethoxy is 0.01～0.5 mol.
4, method as claimed in claim 2, the amount that it is characterized in that adding ammoniacal liquor is 2～20% of a tetraethoxy ethanol solution weight.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311862A (en) * | 2011-04-26 | 2012-01-11 | 东莞市安美润滑科技有限公司 | Environment-friendly grinding solution for roller as well as preparation method and use method thereof |
| CN102746932A (en) * | 2012-05-31 | 2012-10-24 | 天长市润达金属防锈助剂有限公司 | Preparation method of environment-friendly water-based metal cutting fluid |
| CN101812365B (en) * | 2009-11-18 | 2013-06-19 | 湖北大学 | Water-based nano lubricant and preparation method thereof |
| CN104327929A (en) * | 2014-10-16 | 2015-02-04 | 苏州市宝玛数控设备有限公司 | High-abrasion resistance water-based cutting fluid and preparation method thereof |
| CN104450016A (en) * | 2014-10-22 | 2015-03-25 | 安徽荣达阀门有限公司 | Low-carbon environment-friendly emulsion cutting oil containing modified waste engine oil and preparation method of low-carbon environment-friendly emulsion cutting oil |
| CN107057820A (en) * | 2017-05-23 | 2017-08-18 | 孝感市江雁化工有限公司 | A kind of preparation method of ion modified polyacid metal antirusting agent |
| CN108329980A (en) * | 2018-01-22 | 2018-07-27 | 孙国芳 | A kind of environment-friendly metal cutting fluid and its preparation process |
| CN111849598A (en) * | 2020-08-14 | 2020-10-30 | 赣州润鑫机电有限公司 | Lubricating fluid for metal cutting and processing and preparation method thereof |
| CN115820332A (en) * | 2022-11-25 | 2023-03-21 | 潍坊奥润德新材料科技有限公司 | Water-based fully-synthetic cutting fluid and preparation method and application thereof |
-
2007
- 2007-12-25 CN CN 200710078094 patent/CN101469289A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812365B (en) * | 2009-11-18 | 2013-06-19 | 湖北大学 | Water-based nano lubricant and preparation method thereof |
| CN102311862A (en) * | 2011-04-26 | 2012-01-11 | 东莞市安美润滑科技有限公司 | Environment-friendly grinding solution for roller as well as preparation method and use method thereof |
| CN102746932A (en) * | 2012-05-31 | 2012-10-24 | 天长市润达金属防锈助剂有限公司 | Preparation method of environment-friendly water-based metal cutting fluid |
| CN102746932B (en) * | 2012-05-31 | 2016-01-20 | 天长市润达金属防锈助剂有限公司 | A kind of preparation method of environment protection water-based metal working fluid |
| CN104327929A (en) * | 2014-10-16 | 2015-02-04 | 苏州市宝玛数控设备有限公司 | High-abrasion resistance water-based cutting fluid and preparation method thereof |
| CN104450016A (en) * | 2014-10-22 | 2015-03-25 | 安徽荣达阀门有限公司 | Low-carbon environment-friendly emulsion cutting oil containing modified waste engine oil and preparation method of low-carbon environment-friendly emulsion cutting oil |
| CN107057820A (en) * | 2017-05-23 | 2017-08-18 | 孝感市江雁化工有限公司 | A kind of preparation method of ion modified polyacid metal antirusting agent |
| CN108329980A (en) * | 2018-01-22 | 2018-07-27 | 孙国芳 | A kind of environment-friendly metal cutting fluid and its preparation process |
| CN111849598A (en) * | 2020-08-14 | 2020-10-30 | 赣州润鑫机电有限公司 | Lubricating fluid for metal cutting and processing and preparation method thereof |
| CN115820332A (en) * | 2022-11-25 | 2023-03-21 | 潍坊奥润德新材料科技有限公司 | Water-based fully-synthetic cutting fluid and preparation method and application thereof |
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Open date: 20090701 |