CN111088106A - Formula for improving aluminum alloy protection capability of metal processing liquid and preparation method - Google Patents
Formula for improving aluminum alloy protection capability of metal processing liquid and preparation method Download PDFInfo
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- CN111088106A CN111088106A CN201911100102.XA CN201911100102A CN111088106A CN 111088106 A CN111088106 A CN 111088106A CN 201911100102 A CN201911100102 A CN 201911100102A CN 111088106 A CN111088106 A CN 111088106A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/102—Silicates
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/144—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/221—Six-membered rings containing nitrogen and carbon only
- C10M2215/222—Triazines
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a formula for improving the aluminum alloy protection capability of metal processing liquid and a preparation method thereof, wherein the formula provided by the invention comprises the following components in percentage by weight; 0.2-2.0% of salicylic acid, 0.5-3.0% of boric acid, 0.1-0.5% of caprylic/capric acid, 0.1-1.5% of sodium metasilicate, 0.5-5% of isopropanolamine, 0.5-5% of diglycolamine, 0.5-8% of triethanolamine and the balance of water. According to the invention, after salicylic acid and boric acid are neutralized with polyamine, boron can react with aluminum and is firmly adsorbed on the surface of the aluminum, and the benzene ring structure of the salicylic acid can form a hydrophobic layer to form an antirust film layer on the metal surface, so that the film layer covered on the metal surface is more uniform and compact, and a better protection effect can be brought to the metal.
Description
Technical Field
The invention belongs to the technical field of metal working fluids, and particularly relates to a formula for improving the aluminum alloy protection capability of a metal working fluid and a preparation method thereof.
Background
With the rapid development of industrial production, in recent years, the rapid development of machining, particularly precision machining, and the continuous emergence of new materials in China greatly improve the requirements of more professional and more extreme cutting fluids. With the continuous and deep research on new materials, the metal processing field has gradually changed from the original processing with iron-based materials to white metals with various properties, such as aluminum alloy, zinc alloy, magnesium alloy, etc. The aluminum alloy is a new favorite in times due to the fact that the aluminum alloy is light in material, convenient to process and excellent in performance. In aluminum alloy processing, the protective capability of an aluminum alloy is the most fundamental performance requirement. In the past, the most used organic phosphate ester containing phosphorus has strong aluminum protection capability, but the eutrophication problem of phosphorus to natural water is a serious problem restricting the development of the organic phosphate ester, and the phosphorus content in the water discharged from the lake basin of Taihu lake is always a strong problem for the environmental protection departments of governments. Many aluminum protective agents replacing phosphorus were developed in the 21 st century, but there was still a gap in performance during use. In view of the above, there is no solution to this technical problem available in the market.
Disclosure of Invention
In order to solve the above problems, the present invention provides the following technical solutions: the formula for improving the protection capability of the aluminum alloy in the metal processing liquid comprises salicylic acid, boric acid, caprylic/capric acid, sodium metasilicate, isopropanolamine, diglycolamine, triethanolamine and water in percentage by weight:
0.2 to 2.0 percent of salicylic acid
0.5 to 3.0 percent of boric acid
0.1 to 0.5 percent of caprylic-capric acid
0.1 to 1.5 percent of sodium metasilicate
0.5 to 5 percent of isopropanolamine
0.5 to 5 percent of diglycolamine
0.5 to 8 percent of triethanolamine
The balance of water.
Further, the preferable weight percentage of the formula is as follows:
salicylic acid 0.45%
Boric acid 2.0%
0.22 percent of octyl and decyl acid
0.4 percent of sodium metasilicate
2.6 percent of isopropanolamine
Diglycolamine 3.5%
Triethanolamine 5%
The balance of water.
Further, the disinfectant also comprises a disinfectant, wherein the disinfectant is a triazine disinfectant.
Further, the anti-foaming agent is a silicone oil anti-foaming agent.
The invention provides a preparation method of a fully synthetic metal working fluid formula for improving lubricity, which comprises the following steps;
A. adding a mixed acid bag, a composite alkali bag and water into a reaction kettle;
B. heating to 60 ℃ and carrying out mechanical and pulse stirring;
C. adding sodium metasilicate into a stirring device;
D. filtering;
E. detecting;
F. and (5) discharging.
The mixed acid bag in the step A consists of salicylic acid, boric acid and octyl and decyl acid, and the composite alkali bag consists of isopropanolamine diglycolamine and triethanolamine.
The detection work comprises appearance, stability, rust resistance, water-soluble acid or alkali and corrosion detection.
According to the formula for improving the aluminum alloy protection capability of the metal processing liquid, salicylic acid and boric acid are used, after the salicylic acid and boric acid are neutralized by polyamine, boron can react with aluminum and is firmly adsorbed on the surface of the aluminum, and an antirust film layer is formed on the surface of the metal by the benzene ring structure of the salicylic acid, so that a better effect is provided for preventing moisture from entering the aluminum, the problems of poor corrosion resistance and poor hard water resistance of the conventional aluminum protective agent are solved, meanwhile, the film layer covered on the surface of the metal is more uniform and compact, a better protection effect can be brought to the metal, the simple salicylic acid does not have good metal surface adsorption capability, the traditional boric acid and boric acid ester are insufficient in film forming effect, and by using the compounding technology, a better synergistic corrosion prevention effect is achieved, the cost can be reduced to a certain degree, and the product performance is improved.
The invention provides a preparation method of a formula for improving the protection capability of a metal processing liquid aluminum alloy, wherein a mixed acid bag is composed of salicylic acid, boric acid and caprylic-capric acid, the acids are all non-water-soluble, and after being neutralized with composite alkali, borate can be generated to form a boron atom net structure at one end. The organic salts with the net structures can form a compact adsorption film with the metal surface so as to resist the corrosion of the environment to the metal, and the organic salts with the net structures can form a compact adsorption film with the metal surface so as to resist the corrosion of the environment to the metal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.
Example 1
A formulation for improving the protective ability of a metalworking fluid aluminum alloy, comprising: salicylic acid, boric acid, caprylic/capric acid, sodium metasilicate, isopropanolamine, diglycolamine, triethanolamine and water, wherein the weight percentages are as follows:
salicylic acid 0.2%
Boric acid 0.5%
0.1 percent of octyl and decyl acid
0.1 percent of sodium metasilicate
0.5 percent of isopropanolamine
Diglycolamine 0.5%
0.5 percent of triethanolamine
Balance of water
The preparation method comprises the following steps:
A. adding a mixed acid bag, mixed alcohol amine and water into a reaction kettle;
B. heating to 60 ℃ and carrying out mechanical and pulse stirring;
C. adding 0.1% of sodium metasilicate into a stirring device;
D. filtering;
E. detecting;
F. and (5) discharging.
The mixed acid bag consists of 0.2% of salicylic acid, 0.5% of boric acid and 0.1% of caprylic/capric acid, the composite alkali bag consists of 0.5% of isopropanolamine, 0.5% of diglycolamine and 0.5% of triethanolamine, a bactericide is also added into the stirring device, the bactericide is a triazine bactericide, the stirring device further comprises a defoaming agent, the defoaming agent is a silicone oil defoaming agent, the addition amounts of the bactericide and the defoaming agent can be added according to different requirements, the addition amounts can be added according to the known addition amounts on the market, and the detection work comprises appearance, stability, rust resistance, water-soluble acid or alkali and corrosion detection. Salicylic acid and boric acid react with aluminum after being neutralized by polyamine, boron can be firmly adsorbed on the surface of the aluminum, and the benzene ring structure of the salicylic acid forms an antirust film layer on the surface of metal, so that the antirust film layer can provide a better effect on preventing water from entering, the problems of poor corrosion resistance and poor hard water resistance of the conventional aluminum protective agent are solved, the film layer covering the surface of the metal is more uniform and compact, a better protection effect can be brought to the metal, and the salicylic acid, the boric acid, the caprylic/capric acid and the composite alkali are neutralized to generate borate, so that a boron atom net structure is formed at one end. The organic salts with the net structures can form a compact adsorption film with the metal surface so as to resist the corrosion of the environment to the metal, the pure salicylic acid does not have good metal surface adsorption capacity, the traditional boric acid and boric acid ester are not enough in film forming effect, and by using the compounding technology, the compound organic salt has better synergistic anticorrosion effect, the cost can be reduced to a certain extent, and the product performance is improved.
Example 2
A formulation for improving the protective ability of a metalworking fluid aluminum alloy, comprising: salicylic acid, boric acid, caprylic/capric acid, sodium metasilicate, isopropanolamine, diglycolamine, triethanolamine and water, wherein the weight percentages are as follows:
salicylic acid 0.45%
Boric acid 2.0%
0.22 percent of octyl and decyl acid
0.4 percent of sodium metasilicate
2.6 percent of isopropanolamine
Diglycolamine 3.5%
Triethanolamine 5%
Balance of water
The preparation method comprises the following steps:
A. adding a mixed acid bag, a composite alkali bag and water into a reaction kettle;
B. heating to 60 ℃ and carrying out mechanical and pulse stirring;
C. adding 0.4% of sodium metasilicate into a stirring device;
D. filtering;
E. detecting;
F. and (5) discharging.
The mixed acid bag comprises 0.45% of salicylic acid, 2.0% of boric acid and 0.22% of caprylic/capric acid, the composite alkali bag comprises 2.6% of isopropanolamine, 3.5% of diglycolamine and 5% of triethanolamine, a bactericide is further added into the stirring device, the bactericide is a triazine bactericide, the stirring device further comprises a defoaming agent, the defoaming agent is a silicone oil defoaming agent, the addition amounts of the bactericide and the defoaming agent can be added according to different requirements, the addition amounts can be added according to the known addition amounts on the market, and the detection work comprises appearance, stability, rust resistance, water-soluble acid or alkali and corrosivity detection. Salicylic acid and boric acid react with aluminum after being neutralized by polyamine, boron can be firmly adsorbed on the surface of the aluminum, and the benzene ring structure of the salicylic acid forms an antirust film layer on the surface of the metal, so that the antirust film layer can provide a better effect on preventing water from entering, the problems of poor corrosion resistance and poor hard water resistance of the current aluminum protective agent are solved, meanwhile, the film layer covered on the surface of the metal is more uniform and compact, and can provide a better protection effect for the metal. Salicylic acid and boric acid react with aluminum after being neutralized by polyamine, boron can be firmly adsorbed on the surface of the aluminum, and the benzene ring structure of the salicylic acid forms an antirust film layer on the surface of metal, so that the antirust film layer can provide a better effect on preventing water from entering, the problems of poor corrosion resistance and poor hard water resistance of the conventional aluminum protective agent are solved, the film layer covering the surface of the metal is more uniform and compact, a better protection effect can be brought to the metal, and the salicylic acid, the boric acid, the caprylic/capric acid and the composite alkali are neutralized to generate borate, so that a boron atom net structure is formed at one end. The organic salts with the net structures can form a compact adsorption film with the metal surface so as to resist the corrosion of the environment to the metal, the pure salicylic acid does not have good metal surface adsorption capacity, the traditional boric acid and boric acid ester are not enough in film forming effect, and by using the compounding technology, the compound organic salt has better synergistic anticorrosion effect, the cost can be reduced to a certain extent, and the product performance is improved.
Example 3
A formulation for improving the protective ability of a metalworking fluid aluminum alloy, comprising: salicylic acid, boric acid, caprylic/capric acid, sodium metasilicate, isopropanolamine, diglycolamine, triethanolamine and water, wherein the weight percentages are as follows:
1.2 percent of salicylic acid
Boric acid 2.5%
0.35 percent of octyl and decyl acid
1.0 percent of sodium metasilicate
3.8 percent of isopropanolamine
Diglycolamine 4.5%
Triethanolamine 7%
Balance of water
The preparation method comprises the following steps:
A. adding a mixed acid bag, a composite alkali bag and water into a reaction kettle;
B. heating to 60 ℃ and carrying out mechanical and pulse stirring;
C. adding 0.4% of sodium metasilicate into a stirring device;
D. filtering;
E. detecting;
F. and (5) discharging.
The mixed acid bag comprises 0.45% of salicylic acid, 2.0% of boric acid and 0.22% of caprylic/capric acid, the composite alkali bag comprises 2.6% of isopropanolamine, 3.5% of diglycolamine and 5% of triethanolamine, a bactericide is further added into the stirring device, the bactericide is a triazine bactericide, the stirring device further comprises a defoaming agent, the defoaming agent is a silicone oil defoaming agent, the addition amounts of the bactericide and the defoaming agent can be added according to different requirements, the addition amounts can be added according to the known addition amounts on the market, and the detection work comprises appearance, stability, rust resistance, water-soluble acid or alkali and corrosivity detection. Salicylic acid and boric acid react with aluminum after being neutralized by polyamine, boron can be firmly adsorbed on the surface of the aluminum, and the benzene ring structure of the salicylic acid forms an antirust film layer on the surface of metal, so that the antirust film layer can provide a better effect on preventing water from entering, the problems of poor corrosion resistance and poor hard water resistance of the conventional aluminum protective agent are solved, the film layer covering the surface of the metal is more uniform and compact, a better protection effect can be brought to the metal, and the salicylic acid, the boric acid, the caprylic/capric acid and the composite alkali are neutralized to generate borate, so that a boron atom net structure is formed at one end. The organic salts with the net structures can form a compact adsorption film with the metal surface so as to resist the corrosion of the environment to the metal, the pure salicylic acid does not have good metal surface adsorption capacity, the traditional boric acid and boric acid ester are not enough in film forming effect, and by using the compounding technology, the compound organic salt has better synergistic anticorrosion effect, the cost can be reduced to a certain extent, and the product performance is improved.
After the examples 1-3 using the compounding technology of salicylic acid and boric acid and the comparative examples 1-2 using the conventional phosphate are diluted with water according to the same ratio (1: 19), the test results are shown in Table 1 according to the GB/T6144-2010 standard:
table 1: the metal working fluids obtained in examples 1 to 3 and comparative examples 1 to 2 were examined for their properties.
It can be clearly seen from table 1 that the product of the formula has obvious protection on various aluminum alloys, the performance of the product is obviously improved compared with that of the traditional phosphate ester, and the product has obvious advantages compared with the traditional phosphate ester according to the GB/T6144-2010 standard.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A formula for improving the protection capability of aluminum alloy in metal processing liquid is characterized by comprising the following steps of; the weight percentages are as follows:
0.2 to 2.0 percent of salicylic acid
0.5 to 3.0 percent of boric acid
0.1 to 0.5 percent of caprylic-capric acid
0.1 to 1.5 percent of sodium metasilicate
0.5 to 5 percent of isopropanolamine
0.5 to 5 percent of diglycolamine
0.5 to 8 percent of triethanolamine
The balance of water.
2. The formulation for increasing the aluminum alloy protective capacity of a metalworking fluid of claim 1, comprising; the weight percentages are as follows:
salicylic acid 0.45%
Boric acid 2.0%
0.22 percent of octyl and decyl acid
0.4 percent of sodium metasilicate
2.6 percent of isopropanolamine
Diglycolamine 3.5%
Triethanolamine 5%
The balance of water.
3. The formulation of claim 1, wherein the formulation is for increasing the protective ability of a metalworking fluid aluminum alloy, and further comprises: the disinfectant also comprises a disinfectant, wherein the disinfectant is a triazine disinfectant.
4. The formulation of claim 1, wherein the formulation is for increasing the protective ability of a metalworking fluid aluminum alloy, and further comprises: the defoaming agent is a silicone oil defoaming agent.
5. A preparation method of a formula for improving the protection capability of a metal processing liquid aluminum alloy is characterized by comprising the following steps:
A. adding a mixed acid bag, a composite alkali bag and water into a reaction kettle;
B. heating to 60 ℃ and carrying out mechanical and pulse stirring;
C. adding sodium metasilicate into a stirring device;
D. filtering;
E. detecting;
F. and (5) discharging.
6. The method for preparing the formula for improving the protective capability of the aluminum alloy in the metal processing liquid according to claim 5, wherein the formula comprises the following components in percentage by weight: the mixed acid bag consists of salicylic acid, boric acid and octyl and decyl acid, and the composite alkali bag consists of isopropanolamine diglycolamine and triethanolamine.
7. The method for preparing the formula for improving the protective capability of the aluminum alloy in the metal processing liquid according to claim 6, wherein the formula comprises the following components in percentage by weight: the detection work comprises appearance, stability, rust resistance, water-soluble acid or alkali and corrosivity detection.
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| CN100999691A (en) * | 2006-12-27 | 2007-07-18 | 江苏科技大学 | Rust-proof cutting fluid |
| CN103525531A (en) * | 2013-09-27 | 2014-01-22 | 奥克化学扬州有限公司 | Cooling liquid for carrying out crystal bar taking on sapphire |
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Application publication date: 20200501 |