CN109913302A - Lubricant compositions and preparation method thereof and the combination prepare micro lubricating agent - Google Patents
Lubricant compositions and preparation method thereof and the combination prepare micro lubricating agent Download PDFInfo
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- CN109913302A CN109913302A CN201910275397.8A CN201910275397A CN109913302A CN 109913302 A CN109913302 A CN 109913302A CN 201910275397 A CN201910275397 A CN 201910275397A CN 109913302 A CN109913302 A CN 109913302A
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Abstract
The present invention provides a kind of lubricant compositions, it is characterised in that: is prepared by fatty alcohol, citric acid, polyethylene glycol；Wherein, the fatty alcohol, citric acid molar ratio be 1-2:1；The weight ratio of the fatty alcohol and polyethylene glycol is 100:30-50.Using lubricant compositions prepared by the present invention, have good lubricity, water solubility good；The present invention also provides lubricant compositions to prepare micro lubricating agent, it is characterized in that, including components such as isobutyl palmitate, dodecyldimethylammonium hydroxide inner salt, organoboron compound, urea, water, micro lubricating agent prepared by the present invention is able to satisfy lubrication, extreme-pressure anti-wear and the antirust requirement of intermetallic composite coating；Cooperate minimum quantity lubrication device to use, 90% or more the usage amount of lubricant can be saved, energy-saving and emission-reduction, environmental protection effect are significant.
Description
Technical field
The invention belongs to lubrication technical fields, and in particular, to lubricant compositions and preparation method thereof and the combination system
Standby micro lubricating agent.
Background technique
Traditional metal cutting process carries out a large amount of shower formula lubrications, lubricant using mineral oil or vegetable oil or cutting fluid
Usage amount it is big, not only waste of resource, causes the huge pollution of processing site and environment, while can also seriously affect operator
Health.
To solve these problems, certain progress, Minimal Quantity Lubrication Technology solution are obtained to the research of Minimal Quantity Lubrication Technology in the recent period
The problems such as above lubricant usage amount of having determined is big, seriously polluted, excessive use contain to the disagreeableness sulfur-bearing of environment and add containing chlorine
Add agent, studying a kind of not sulfur-bearing, chlorine and the excellent micro lubricating agent addition agent of extreme pressure and antiwear behavior is a kind of challenge.
Since the specific heat ratio of water is larger, especially in intermetallic composite coating, the vaporization of water can take away a large amount of friction and
Deformation heat is the significant project of a ratio so being applied to Minimal Quantity Lubrication Technology to research water-based lubricant.
Summary of the invention
In view of the above project, the present invention provides lubricant compositions and preparation method thereof and the combination prepares micro lubricating
Agent.
To achieve the above object, a kind of lubricant compositions provided by the invention, which is characterized in that by fatty alcohol, lemon
Acid, polyethylene glycol are prepared.
Wherein, above-mentioned fatty alcohol, citric acid molar ratio be 1-2:1；Optimum mole ratio is 1.5:1；The fatty alcohol
Weight ratio with polyethylene glycol is 100:30-50.
The present invention also provides the preparation methods of above-mentioned lubricant compositions: weighing fatty alcohol, reaction kettle is added in citric acid
In, it is heated with stirring to 200-220 DEG C, sufficiently reaction 3-5 hours, decompression discharge moisture after reaction is added polyethylene glycol and keeps anti-
200-220 DEG C of temperature is answered, is reacted 2-3 hours, decompression discharge moisture, as a kind of lubricant compositions after reaction.This lubricant
Composition can be used as micro lubricating agent use, adds 1-5 times of water to stir to transparent or semitransparent, is used in minimum quantity lubrication device
In.
In order to accelerate above-mentioned reaction process, can be added catalyst promote reaction, the catalyst can choose sun from
Sub-exchange resin, organic metal salt, rare earth oxide or one or more of rare-earth hydroxide or organic rare earth compounds
Mixture.
Above-mentioned catalyst can also select germanium dioxide, when selecting germanium dioxide as catalyst, it is also an advantage that
It is to participate in the organic germanium compounds that catalysis reaction generates to be not necessarily to carry out separating treatment, the ring caused by can reducing because of separating catalyst
The consumption such as border pollution and water, electricity, chemical reagent；Organic germanium compounds can also reduce coefficient of friction simultaneously, reduce micro lubricating agent
Using when cutter loss.
When above-mentioned catalyst selects germanium dioxide, usage amount is the 0.1-0.5% of fatty alcohol and citric acid total weight.
The fatty alcohol that above-mentioned fatty alcohol can choose as C12-C20, preferably laruyl alcohol, myristyl alcohol, isomerous tridecanol,
One or more of isomery hexadecanol, oleyl alcohol, isomery eicosanol.
Above-mentioned polyethylene glycol selects one or more of the polyethylene glycol of molecular weight 200-1000 mixture；It is preferred that commodity
Model: one or more of PEG200, PEG300, PEG400, PEG500, PEG600, PEG800, PEG1000 mixture.
In addition, the present invention also provides a kind of micro lubricating agent containing above-mentioned lubricant compositions, which is characterized in that by with
The component of lower weight percent is prepared:
The organoboron compound is prepared by oleamide, boric acid, ethoxy ethanol amine, wherein oleamide, boric acid,
The weight fraction ratio of ethoxy ethanol amine is 100:25-30:15-20；
The preparation method of the organoboron compound: oleamide, boric acid, ethoxy ethanol amine are weighed and is blended in 80-100 DEG C
After stirring 1-2 hours, then it is warming up to 110-120 DEG C of decompression (container inner pressure is kept to be not more than 100mmHg) stirring 2-3 hours,
It filters after removing sediment, as organoboron compound.
The present invention also provides a kind of preparation methods of micro lubricating agent, it is characterised in that: it is soluble in water to weigh urea, adds
Enter lubricant compositions, isobutyl palmitate, dodecyldimethylammonium hydroxide inner salt, organoboron compound at a temperature of 40~60 DEG C
When mixing to transparent or semitransparent.
During use, by above-mentioned micro lubricating agent add 1-5 times of water stir it is micro to being added after transparent or semitransparent
It is used in lubricating arrangement.
The action and effect of invention
Using lubricant compositions prepared by the present invention, since the lubricant compositions of synthesis have excellent lubricity, water
Dissolubility is good.
In the present invention, isobutyl palmitate is to provide good lubricity, and biodegradability is good.
In the present invention, dodecyldimethylammonium hydroxide inner salt is good cationic surfactant, while greasy property
Well.
In the present invention, organoboron compound is good B-N type extreme pressure anti-wear additives, while lubricity is good, can biology
Degradation.Traditional extreme pressure anti-wear additives containing chlorine, sulphur, phosphorus can be completely or partially replaced to be used in micro dose of environmental protection, a small amount of ring
Protect lubrication, extreme-pressure anti-wear and the antirust requirement that micro lubricating agent is just able to satisfy intermetallic composite coating；Cooperation minimum quantity lubrication device makes
With 90% or more the usage amount of cutting fluid can be saved, and energy-saving and emission-reduction, environmental protection effect are significant.
Urea is good sustained release antirust agent in the present invention, while being N-type extreme pressure anti-wear additives and metal polish again.
Micro lubricating agent prepared by the present invention is used in micro dose of environmental protection, and a small amount of environmentally friendly micro lubricating agent is just able to satisfy
Lubrication, extreme-pressure anti-wear and the antirust requirement of intermetallic composite coating；Cooperate minimum quantity lubrication device to use, the use of cutting fluid can be saved
90% or more amount, energy-saving and emission-reduction, environmental protection effect are significant
In formula of the invention, after above-mentioned each component mixing, it is based on its respective design feature, can be occurred intermolecular weak
Key active force improves and excites the properties such as mutual lubricity, dissolubility and extreme pressure anti-wear after mixing.
Specific embodiment
Embodiment one
It weighs different eicosanol 298.55g (1mol), citric acid 192.14g (1mol) to be added in reaction kettle together, stirring adds
Heat is to 220 DEG C, after sufficiently reaction 3 hours, polyethylene glycol (PEG1000) 140g is added after decompression draining after reaction and keeps reaction temperature
220 DEG C of degree reacts 2 hours, decompression discharge moisture, as a kind of lubricant compositions after reaction.
Lubricant compositions prepared by embodiment one can be used directly as micro lubricating agent, add 3 times of water stirring transparent
Afterwards directly using in minimum quantity lubrication device.
Embodiment two
It weighs laruyl alcohol 372.76g (2mol), citric acid 192.14g (1mol), germanium dioxide 2.8g and reaction is added together
In kettle, 200 DEG C are heated with stirring to, sufficiently reaction 5 hours, polyethylene glycol (PEG800) 120g is added after decompression draining after reaction and protects
200 DEG C of reaction temperature are held, is reacted 3 hours, decompression discharge moisture, as a kind of lubricant compositions after reaction.
It weighs urea 100g to be dissolved in 150g water, above-mentioned lubricant compositions 400g, isobutyl palmitate 200g, ten is added
It is i.e. a kind of micro when dialkyl dimethyl glycine betaine 100g, organoboron compound 50g mix to transparent at a temperature of 60 DEG C
Lubricant.
The preparation method of above-mentioned organoboron compound: oleamide 100g, boric acid 30g, ethoxy ethanol amine 20g mixing are weighed
After 100 DEG C are stirred 1 hour, then vacuumizes decompression and be warming up to 120 DEG C (container inner pressure is kept to be not more than 100mmHg), stirring 2
Hour, after filtering precipitate, as organoboron compound.
Above-mentioned environmentally friendly micro lubricating agent is subjected to the test of four ball extreme pressures, test result: P with GB/T12583 experimental methodD>
6080N。
Embodiment three
Myristyl alcohol 321.59g (1.5mol), citric acid 192.14g (1mol), germanium dioxide 0.6g is weighed to be added together
In reaction kettle, 208 DEG C are heated with stirring to, after sufficiently reaction 4 hours, polyethylene glycol (PEG600) is added after decompression draining after reaction
130g is kept for 208 DEG C of reaction temperature, is reacted 2.5 hours, decompression discharge moisture, as a kind of lubricant compositions after reaction.
It weighs urea 50g to be dissolved in 200g water, above-mentioned lubricant compositions 300g, isobutyl palmitate 300g, ten is added
It is i.e. a kind of micro when dialkyl dimethyl glycine betaine 50g, organoboron compound 100g mix to transparent at 50 °C
Lubricant.
The preparation method of above-mentioned organoboron compound: oleamide 100g, boric acid 28g, ethoxy ethanol amine 18g mixing are weighed
After 99 DEG C are stirred 1 hour, then vacuumizes decompression and be warming up to 115 DEG C (container inner pressure is kept to be not more than 100mmHg), stirring
2.5 hours, after filtering precipitate, as organoboron compound.
Example IV
Isomerous tridecanol 300.55g (1.5mol), citric acid 192.14g (1mol), germanium dioxide 2g is weighed to be added together
In reaction kettle, 212 DEG C are heated with stirring to, after sufficiently reaction 4 hours, polyethylene glycol (PEG500) is added after decompression draining after reaction
110g is kept for 212 DEG C of reaction temperature, is reacted 2.5 hours, decompression discharge moisture, as a kind of lubricant compositions after reaction.
It weighs urea 80g to be dissolved in 160g water, above-mentioned lubricant compositions 350g, isobutyl palmitate 250g, ten is added
I.e. a kind of micro profit when dialkyl dimethyl glycine betaine 80g, organoboron compound 80g mix to transparent at a temperature of 40 DEG C
Lubrication prescription.
The preparation method of above-mentioned organoboron compound: oleamide 100g, boric acid 24g, ethoxy ethanol amine 16g mixing are weighed
After 88 DEG C are stirred 1.5 hours, then vacuumizes decompression and be warming up to 116 DEG C (container inner pressure is kept to be not more than 100mmHg), stirring
2.5 hours, after filtering precipitate, as organoboron compound.
Embodiment five
It weighs isomery hexadecanol 372.76g (1.5mol), citric acid 192.14g (1mol) to be added in reaction kettle together, add
Enter 2g stannous octoate, be heated with stirring to 205 DEG C, after sufficiently reaction 4.5 hours, polyethylene glycol is added after decompression draining after reaction
(PEG200) 160g is kept for 205 DEG C of reaction temperature, is reacted 2.5 hours, decompression discharge moisture, as a kind of lubricant group after reaction
Close object.
It weighs urea 70g to be dissolved in 190g water, above-mentioned lubricant compositions 340g, isobutyl palmitate 240g, ten is added
I.e. a kind of micro profit when dialkyl dimethyl glycine betaine 70g, organoboron compound 90g mix to transparent at a temperature of 60 DEG C
Lubrication prescription.
The preparation method of above-mentioned organoboron compound: oleamide 100g, boric acid 26g, ethoxy ethanol amine 17g mixing are weighed
After 90 DEG C are stirred 1.5 hours, then vacuumizes decompression and be warming up to 115 DEG C (container inner pressure is kept to be not more than 100mmHg), stirring
2 hours, be organoboron compound after filtering precipitate.
Embodiment six
It weighs oleyl alcohol 402.74g (1.5mol), citric acid 192.14g (1mol), germanium dioxide 1.8g and reaction is added together
In kettle, 210 DEG C are heated with stirring to, after sufficiently reaction 4 hours, polyethylene glycol (PEG300) 150g is added after decompression draining after reaction
It is kept for 210 DEG C of reaction temperature, reacted 2.5 hours, decompression discharge moisture, as a kind of lubricant compositions after reaction.
It weighs urea 90g to be dissolved in 190g water, above-mentioned lubricant compositions 380g, isobutyl palmitate 220g, ten is added
I.e. a kind of micro profit when dialkyl dimethyl glycine betaine 60g, organoboron compound 60g mix to transparent at a temperature of 60 DEG C
Lubrication prescription.
The preparation method of above-mentioned organoboron compound: oleamide 100g, boric acid 25g, ethoxy ethanol amine 15g mixing are weighed
After 95 DEG C are stirred 1.5 hours, then vacuumizes decompression and be warming up to 115 DEG C (container inner pressure is kept to be not more than 100mmHg), stirring
2 hours, be organoboron compound after filtering precipitate.
It is applied to aluminum alloy spare part turning after six micro lubricating agent of above-described embodiment and water are mixed by 1:2 to add
Work, numerically controlled lathe model: CZ-30.Circulation lubrication originally is carried out with emulsion cutting fluid (concentration about 5%), is changed to KS- now
2106 minimum quantity lubrication devices (2 nozzles, nozzle used are the energy-conserving spray nozzle that provides of Shanghai Jinzhao Conservation of Energy Science & Technology Co., Ltd.) and upper
State micro lubricating agent, 8 hour/day of working time, the result is as follows:
| Project | Conventional lubrication mode | Micro lubricating mode |
| Lubricant consumes (liter/day) | 10 liters | 0.32 liter |
| Lathe tool average life | 7 days | 10 days |
Claims (10)
1. a kind of lubricant compositions, it is characterised in that: be prepared by fatty alcohol, citric acid, polyethylene glycol.
2. a kind of lubricant compositions as described in claim 1, it is characterised in that:
The fatty alcohol, citric acid molar ratio be 1-2:1；The weight ratio of the fatty alcohol and polyethylene glycol is 100:30-
50。
3. a kind of lubricant compositions as described in any one of claims 1-3, it is characterised in that:
The above-mentioned fatty alcohol can choose the fatty alcohol for C12-C20, preferably laruyl alcohol, myristyl alcohol, isomerous tridecanol,
One or more of isomery hexadecanol, oleyl alcohol, isomery eicosanol.
4. a kind of lubricant compositions as described in any one of claims 1-3, it is characterised in that:
The polyethylene glycol selects one or more of the polyethylene glycol of molecular weight 200-1000 mixture；It is preferred that commodity-type
Number: one or more of PEG200, PEG300, PEG400, PEG500, PEG600, PEG800, PEG1000 mixture.
5. a kind of preparation method of lubricant compositions, it is characterised in that:
Weigh fatty alcohol, citric acid is added in reaction kettle, is heated with stirring to 200-220 DEG C, abundant reaction 3-5 hours, after reaction
Decompression discharge moisture, is added polyethylene glycol and is kept for 200-220 DEG C of reaction temperature, react 2-3 hours, decompression discharge water after reaction
Point, as a kind of lubricant compositions.
6. a kind of preparation method of lubricant compositions as claimed in claim 5, it is characterised in that:
It is additionally added catalyst and promotes reaction, the catalyst choice cation exchange resin, organic metal salt, rare earth oxide
Or one or more of rare-earth hydroxide or organic rare earth compounds mixture；
The preferred germanium dioxide of catalyst, the germanium dioxide usage amount are the 0.1- of fatty alcohol and citric acid total weight
0.5%.
7. a kind of micro lubricating agent of any lubricant compositions of 1-4 containing claim, which is characterized in that its feature exists
In being prepared by following components in percentage by weight:
8. micro lubricating agent as claimed in claim 7, it is characterised in that:
The organoboron compound is prepared by oleamide, boric acid, ethoxy ethanol amine, wherein oleamide, boric acid, hydroxyl second
The weight fraction ratio of ethylethanolamine is 100:25-30:15-20.
9. micro lubricating agent as claimed in claim 7, it is characterised in that:
The preparation method of the organoboron compound: oleamide, ammonium molybdate, ethoxy ethanol amine are weighed and is blended in 90-100 DEG C and stirs
It after mixing 1-2 hours, then vacuumizes decompression and is warming up to 110-120 DEG C, container inner pressure is kept to be not more than 100mmHg, stirring 2-3 is small
When, after filtering precipitate, as organoboron compound.
10. a kind of preparation method of micro lubricating agent, it is characterised in that:
It is soluble in water to weigh urea, lubricant compositions, isobutyl palmitate, dodecyldimethylammonium hydroxide inner salt, organic are added
When boron compound mixes to transparent or semitransparent at a temperature of 40~60 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111876229A (en) * | 2020-08-18 | 2020-11-03 | 上海金兆节能科技有限公司 | Antiwear lubricant composition, preparation method thereof and trace lubricant prepared from composition |
| CN112980540A (en) * | 2020-12-22 | 2021-06-18 | 上海金兆节能科技有限公司 | Environmental-refreshing trace lubricant and preparation method thereof |
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Application publication date: 20190621 |