CN104946343A - Water-based additive having antirust extreme-pressure capability, preparation method and application thereof - Google Patents
Water-based additive having antirust extreme-pressure capability, preparation method and application thereof Download PDFInfo
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- CN104946343A CN104946343A CN201510287094.XA CN201510287094A CN104946343A CN 104946343 A CN104946343 A CN 104946343A CN 201510287094 A CN201510287094 A CN 201510287094A CN 104946343 A CN104946343 A CN 104946343A
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Abstract
The invention discloses a water-based additive having antirust extreme-pressure capability, a structural formula is shown in specification, wherein R1 is alcohol with carbon atom being less than 4. According to the invention, sulfur and phosphor elements with strong extreme-pressure antiwear capability are introduced in monoethanolamine borate molecules with good anlirust property through a molecule design viewpoint, and the water-based additive with low cost possessing antirust property and extreme-pressure capability can be synthesized. The synthesized water-based additive possessing antirust property and extreme-pressure capability can be directly dissolved in water, and can be the additive of the water-based lubricant for widely being used in metal processing field.
Description
Technical field
The invention belongs to lubricating oil additive organic compound technical field, particularly relate to a kind of water base additive with antirust extreme pressure ability, and the preparation method of this water base additive, and this water base additive is as the application of lubricating oil additive.
Background technology
Along with countries in the world are to the very big concern of the energy and environmental issue, oil is exhausted, energy dilemma and environmental pollution have become global significant problem.From the angle of Sustainable development, in order to reduce to oil dependence for a long time in intermetallic composite coating and lubrication, the environmental type water based lubrication material that development has premium properties has great social effect and market outlook.Due to water based lubrication material there are wide material sources, accumulating facilitates, do not burn, the advantage such as cheap, in some field, water-based lubricating liquid instead of oil base lubrication.But lower relative to the surface tension of water oil, viscosity and sticky pressure coefficient, lubricity difference is poor, and therefore people attempt and add various functional additive to improve its lubricity in water.
In recent years, people have carried out large quantifier elimination, improve the lubricity of water by adding various water-soluble additive in water.Patent CN 104193774A discloses a kind ofly has good oilness, rust-preventing characteristic and anti-water hardness tolerance tall oil acid diethylamide Borated Ester Additives, and this additive can be used for the cutting fluid in intermetallic composite coating.Patent CN 102659826A discloses one and has extreme-pressure anti-wear, the water base additive of multi-functional straight chain dicarboxylic acid dialkanol amide boric acid ester such as antirust, antibacterial.Patent CN 102925250A discloses a kind of phosphoruscontaining borate water base lubricant with excellent antiwear and friction reduction property.But by monoethanolamine boric acid ester and the good sulphur phosphoric acid set of extreme pressure anti-wear in a molecule, synthesize and a kind ofly there is antirust and water base additive that is extreme pressure ability simultaneously have not been reported.
Summary of the invention
In view of above-mentioned, object of the present invention aims to provide a kind of water base additive simultaneously with antirust ability and extreme pressure ability.
Another object of the present invention is to provide a kind of preparation method of this water base additive.
3rd object of the present invention is to provide the application of this water base additive a kind of as lubricating oil additive.
The object of the invention is to be achieved through the following technical solutions:
Have a water base additive for antirust extreme pressure ability, its general structure is:
Wherein R
1for the alcohol radical that carbonatoms is less than 4,
for hydrophilic poly alkyl alcohol compound.
Have an antirust and water base additive that is extreme pressure ability, its synthesis step is:
The synthesis of a, monoethanolamine boric acid ester: load boric acid, monoethanolamine and toluene as water entrainer in the there-necked flask that agitator, thermometer and water trap are housed, stirring reaction 4 ~ 8h at 100 ~ 120 DEG C, after the water in water trap no longer increases, reaction terminates, underpressure distillation remove remaining toluene, water and monoethanolamine after, obtain light yellow viscous liquid, be monoethanolamine boric acid ester; Structural formula is as shown in general formula 1:
The synthesis of b, thiophosphatephosphorothioate: alcohol is joined in the there-necked flask of step a, and connect gas absorbing device (described gas absorbing device is the aqueous solution of NaOH), make solvent with normal heptane, under violent stirring, slowly add P
2s
5, continue stirring 0.5 ~ 1h under room temperature, reaction is acutely carried out, heat release with a large amount of H
2s gas is released, and continues reaction 3h at being then warming up to 90 DEG C, after question response system is thoroughly clarified, steams and desolventizes to obtain thiophosphatephosphorothioate; Structural formula is as shown in general formula 2:
C, the boric acid ester of the monoethanolamine prepared in step a to be slowly added dropwise in the thiophosphatephosphorothioate that generates in step b, to be incubated 3 ~ 5h at 80 ~ 100 DEG C, to obtain the boric acid ester of the monoethanolamine salt of thiophosphatephosphorothioate; Structural formula is as shown in general formula 3;
Wherein, R
1for the alcohol that carbonatoms is less than 4,
for hydrophilic poly alkyl alcohol compound.
The present invention has the following advantages:
The boric acid ester of monoethanolamine is a class antirust single dose of good performance, sulphur, phosphoric be people in early days for the active element in oily lubricant, there is good extreme pressure anti-wear.By the viewpoint of molecular designing, by monoethanolamine boric acid ester good for rust-preventing characteristic and the good sulphur phosphoric acid set of extreme pressure anti-wear in a molecule, synthesize and a kind of there is antirust and water base additive that is extreme pressure ability simultaneously.
Additive provided by the invention is cheap, sufficient raw, has good rust-preventing characteristic and extreme-pressure anti-wear ability, very conveniently can be widely used in metal processing sectors.
Embodiment
Below by embodiment, the invention will be further described.
Embodiment 1
The boric acid ester of the monoethanolamine salt of thiophosphoric acid ethyl ester, its synthesis step is:
A, in the there-necked flask that agitator, thermometer and water trap are housed, load 0.2mol boric acid, 0.64mol monoethanolamine and a small amount of toluene as water entrainer, stirring reaction 4 ~ 8h at 100 ~ 120 DEG C, after the water in water trap no longer increases, reaction terminates, after underpressure distillation removes remaining toluene, a small amount of water and excessive monoethanolamine, obtain light yellow viscous liquid, be monoethanolamine boric acid ester;
B, 1.3mol ethanol to be joined in there-necked flask, and connect gas absorbing device (aqueous solution of NaOH), make solvent with normal heptane, under violent stirring, add 0.4mol P in batches
2s
5, continue stirring 0.5 ~ 1h under room temperature, reaction is acutely carried out, heat release with a large amount of H
2s gas is released, and continues reaction 3h at being warming up to 90 DEG C, after question response system is thoroughly clarified, steams after desolventizing and obtains colourless transparent oil liquid, be thiophosphoric acid ethyl ester;
C, the monoethanolamine boric acid ester prepared in 0.2mol step a is slowly added dropwise in the thiophosphoric acid ethyl ester that generates in 0.8mol step b, 3 ~ 5h is incubated at 80 ~ 100 DEG C, obtain light yellow viscous liquid, be the boric acid ester of the monoethanolamine salt of thiophosphoric acid ethyl ester.
Embodiment 2
The boric acid ester of the monoethanolamine salt of thiophosphoric acid macrogol ester, its synthesis step is:
A loads 0.2mol boric acid, 0.8mol monoethanolamine and a small amount of toluene as water entrainer in the there-necked flask that agitator, thermometer and water trap are housed, stirring reaction 4 ~ 8h at 100 ~ 120 DEG C, after the water in water trap no longer increases, reaction terminates, after underpressure distillation removes remaining toluene, a small amount of water and excessive monoethanolamine, obtain light yellow viscous liquid, be monoethanolamine boric acid ester;
1.2mol polyoxyethylene glycol (PEG 200) joins in there-necked flask by b, and connects gas absorbing device (aqueous solution of NaOH), makes solvent, add 0.3mol P under violent stirring in batches with normal heptane
2s
5, continue stirring 0.5 ~ 1h under room temperature, reaction is acutely carried out, heat release with a large amount of H
2s gas is released, and continues reaction 3h at being warming up to 90 DEG C, after question response system is thoroughly clarified, steams after desolventizing and obtains colourless transparent oil liquid, be thiophosphoric acid macrogol ester;
The monoethanolamine boric acid ester prepared in 0.2mol step a is slowly added dropwise in the thiophosphoric acid macrogol ester generated in 0.6mol step b by c, 3 ~ 5h is incubated at 80 ~ 100 DEG C, obtain light yellow viscous liquid, be the boric acid ester of the monoethanolamine salt of thiophosphoric acid macrogol ester.
Embodiment 3
The boric acid ester of the monoethanolamine salt of thiophosphoric acid ethoxylated dodecyl alcohol ester, its synthesis step is:
A loads 0.2mol boric acid, 0.8mol monoethanolamine and a small amount of toluene as water entrainer in the there-necked flask that agitator, thermometer and water trap are housed, stirring reaction 4 ~ 8h at 100 ~ 120 DEG C, after the water in water trap no longer increases, reaction terminates, after underpressure distillation removes remaining toluene, a small amount of water and excessive monoethanolamine, obtain light yellow viscous liquid, be monoethanolamine boric acid ester;
1.2mol ethoxylated dodecyl alcohol joins in there-necked flask by b, and connects gas absorbing device (aqueous solution of NaOH), makes solvent, add 0.3mol P under violent stirring in batches with normal heptane
2s
5, continue stirring 0.5 ~ 1h under room temperature, reaction is acutely carried out, heat release with a large amount of H
2s gas is released, and continues reaction 3h at being warming up to 90 DEG C, after question response system is thoroughly clarified, steams after desolventizing and obtains colourless transparent oil liquid, be thiophosphoric acid ethoxylated dodecyl alcohol ester;
The monoethanolamine boric acid ester prepared in 0.2mol step a is slowly added dropwise in the thiophosphoric acid ethoxylated dodecyl alcohol ester generated in 0.6mol step b by c, 3 ~ 5h is incubated at 80 ~ 100 DEG C, obtain light yellow viscous liquid, be the boric acid ester of the monoethanolamine salt of thiophosphoric acid ethoxylated dodecyl alcohol ester.
The embodiment 1 of synthesis is had water base additive that is antirust and extreme pressure ability to embodiment 3 directly soluble in water, investigate its performance.In order to understand the performance of the additive provided in the present invention better, Hostacor 692 (structural formula is similar to shown in the general formula 2) additive (being provided by Co., Ltd in Clariant chemical industry) as a comparison of the Clariant of the boric acid ester that we are monoethanolamine with structure more salable in the market, does rust-preventing characteristic experiment and tribological property is tested.
Rust-preventing characteristic is tested:
This additive of antirust measuring provided by People's Republic of China (PRC) machinery industry standard JB-T9189-1999 is to the rust-preventing characteristic of cast iron powder.Preparation massfraction is additive and the comparative additive aqueous solution of three embodiments of 2.0%, surveys its rust-preventing characteristic in the temperature range of 25 ~ 35 DEG C.Experiment finds, the three kinds of additives provided in the present invention and comparative additive all do not occur rust spot in 48h, visible, and the additive provided in the present invention has the rust-preventing characteristic compared favourably with Hostacor 692.
Tribological property is tested:
Load-carrying properties four ball frictional testing machiness (the MQ-12-EP type that Jinan trier factory produces) test, frictional wear experiment when mechanical type is long, wearing resistance test machine (the MRS-1J type that Jinan trier factory produces) carries out.Three of embodiment in the present invention additives and comparative additive Hostacor 692 are made an addition in water with massfraction 2.0%, surveys the seizure-resistant load P of four kinds of solution
bvalue, anti-sintering load P
dvalue, wear scar diameter WSD value and frictional coefficient.Experimental result is as shown in table 1.
Table 1 tribology experiments result
As can be seen from the experimental result of table 1, the product of three embodiments has good extreme pressure property and antiwear and antifriction ability, and the extreme pressure property of comparative additive Hostacor 692 and antiwear and antifriction ability poor.
Can be found by the experimental result of two comparative examples, the additive synthesized after the basis of monoethanolamine boric acid ester molecule is introduced the good sulphur of extreme pressure and antiwear behavior, phosphoric not only has good rustless property, also has good extreme-pressure anti-wear ability.
Claims (10)
1. there is a water base additive for antirust extreme pressure ability, it is characterized in that: its general structure is:
Wherein R
1for the alcohol radical that carbonatoms is less than 4,
for hydrophilic poly alkyl alcohol compound.
2. there is the water base additive of antirust extreme pressure ability as claimed in claim 1, it is characterized in that: described water base additive is the boric acid ester of the monoethanolamine salt of thiophosphoric acid ethyl ester.
3. there is the water base additive of antirust extreme pressure ability as claimed in claim 1, it is characterized in that: described water base additive is the boric acid ester of the monoethanolamine salt of thiophosphoric acid macrogol ester.
4. there is the water base additive of antirust extreme pressure ability as claimed in claim 1, it is characterized in that: described water base additive is the boric acid ester of the monoethanolamine salt of thiophosphoric acid ethoxylated dodecyl alcohol ester.
5. there is a preparation method for the water base additive of antirust extreme pressure ability as claimed in claim 1, it is characterized in that: comprise the following steps:
The synthesis of a, monoethanolamine boric acid ester: load boric acid, monoethanolamine and toluene as water entrainer in the there-necked flask that agitator, thermometer and water trap are housed, stirring reaction 4 ~ 8h at 100 ~ 120 DEG C, after the water in water trap no longer increases, reaction terminates, underpressure distillation remove remaining toluene, water and monoethanolamine after, obtain light yellow viscous liquid, be monoethanolamine boric acid ester, its general structure is
The synthesis of b, thiophosphatephosphorothioate: joined in the there-necked flask of step a by alcohol, and the aqueous solution gas absorbing device connecting NaOH, make solvent with normal heptane, slowly add P under violent stirring
2s
5, continue stirring 0.5 ~ 1h under room temperature, reaction is acutely carried out, heat release with a large amount of H
2s gas is released, and continues reaction 3h at being then warming up to 90 DEG C, and after question response system is thoroughly clarified, steam and desolventize to obtain thiophosphatephosphorothioate, its general structure is
wherein, R
1for the alcohol that carbonatoms is less than 4,
for hydrophilic poly alkyl alcohol compound;
C, to be added dropwise to by the boric acid ester of the monoethanolamine prepared in step a in the thiophosphatephosphorothioate that generates in step b, be incubated 3 ~ 5h at 80 ~ 100 DEG C, obtain the boric acid ester of the monoethanolamine salt of thiophosphatephosphorothioate, its general structure is
wherein, R
1for the alcohol that carbonatoms is less than 4,
for hydrophilic poly alkyl alcohol compound.
6. there is the preparation method of the water base additive of antirust extreme pressure ability as claimed in claim 2, it is characterized in that: the mol ratio of step a mesoboric acid and monoethanolamine is 1:(3.2 ~ 4).
7. there is the preparation method of the water base additive of antirust extreme pressure ability as claimed in claim 2, it is characterized in that: the alcohol in step b is that carbonatoms is less than the alcohol of 4 or hydrophilic poly alkyl alcohol compound.
8. there is the preparation method of the water base additive of antirust extreme pressure ability as claimed in claim 2, it is characterized in that: the alcohol in step b and P
2s
5mol ratio be 4:(1 ~ 1.2).
9. there is the preparation method of the water base additive of antirust extreme pressure ability as claimed in claim 2, it is characterized in that: the boric acid ester of the monoethanolamine in step c and the mol ratio of thiophosphatephosphorothioate are 1:(3 ~ 4).
10. there is the water base additive of antirust extreme pressure ability as claimed in claim 1, it is characterized in that: the water base additive this kind with antirust extreme pressure ability is directly soluble in water, as the application of the additive of water base lubricant.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142768A (en) * | 2020-09-30 | 2020-12-29 | 武汉市华中特种油有限公司 | Production process of monoethanolamine borate |
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Non-Patent Citations (3)
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| 关子杰: "《金属加工液基础与应用》", 31 May 2006, 北京：中国石化出版社 * |
| 孙令国等: "含磷酸酯胺盐官能团硼酸酯衍生物的摩擦学性能研究", 《润滑与密封》 * |
| 王永刚: "系列新型有机硼酸酯添加剂的摩擦学性能及机理研究", 《中国博士学位论文全文数据库·工程科技I辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142768A (en) * | 2020-09-30 | 2020-12-29 | 武汉市华中特种油有限公司 | Production process of monoethanolamine borate |
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