CN109797030A - A kind of open gear lubricatng and preparation method thereof - Google Patents
A kind of open gear lubricatng and preparation method thereof Download PDFInfo
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- CN109797030A CN109797030A CN201910137615.1A CN201910137615A CN109797030A CN 109797030 A CN109797030 A CN 109797030A CN 201910137615 A CN201910137615 A CN 201910137615A CN 109797030 A CN109797030 A CN 109797030A
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- base oil
- sodium citrate
- open gear
- lubricatng
- gear lubricatng
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Abstract
The invention belongs to technical field of lubricating oil, specifically provide a kind of open gear lubricatng, its raw material composition includes modified base oil, base oil and the nanoscale calcium of sodium citrate, additionally provide a kind of preparation method of open gear lubricatng, include the following steps: the base oil, base oil and the nanoscale calcium that take sodium citrate modified, 1 ~ 10h is stirred at 50 ~ 70 DEG C to get open gear lubricatng.It is cooperated by the base oil and base oil and nanoscale calcium of the sodium citrate modification in the composition, not only increases wear resistance, the corrosion resistance of lubricating oil, and lubricating oil obtained viscosity with higher and low temperature flow.
Description
Technical field
The invention belongs to technical field of lubricating oil, and in particular to a kind of open gear lubricatng and preparation method thereof.
Background technique
The driving form of open type gear driving mechanism belongs to Involutes Gears Transmission, wherein exposed gear is mainly used in
There is the revolution bull gear of ball mill, the rotary kiln in cement plant and mine large size power shovel in steel mill, at the same be widely used in gear rail,
The components such as chain, wirerope, idler wheel, track and sliding-rail groove.The main feature of open type gear driving are as follows: heavy duty, low speed, structure size
It is larger, tooth-face roughness is higher, rigorous service condition.Since exposed gear can transmit higher torque, in starting, normal fortune
Turn and be generally in mixed film friction state during shutting down, meets with stresses so as to cause the flank of tooth high, reduced service life.
Currently, exposed gear lubricating agent gradually develops from the pitch type exposed gear oil of early stage as non-bituminous type exposed gear
Oil, semifluid open-type gear grease, polymer densification type and high viscosity synthetic oil etc..For example, Chinese patent literature
CN102776056B discloses a kind of open gear lubricatng composition, is (55 ~ 93): (5 ~ 25): (2 ~ 20) by weight ratio
High viscosity base oil, synthesizing ester base oil and additive composition.The additive is extreme pressure anti-wear additives, oiliness improver, metallic blunt
One or more of agent, antirust agent and antioxidant；The invention improves the viscosity of lubricant by the way that multiple additives are added
With viscosity-temperature characteristics energy, friction is reduced, is improved efficiency, however, in actual use, when additive additional amount is less, existing
Effect is unobvious, and viscosity is lower, anti-friction characteristics poor, perishable problem, when additive additional amount increases, and will lead to mobility
Difference, problem at high cost.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming exposed gear lubricating agent addition agent type in the prior art
Complexity, it is at high cost, and there is a problem of that viscosity is lower, anti-friction characteristics poor, perishable when the additional amount of additive is lower, it adds
Will lead to poor fluidity, problem at high cost when the additional amount of agent is higher again, thus propose a kind of open gear lubricatng and its
Preparation method.
For this purpose, the technical solution that the application takes is,
The present invention provides a kind of open gear lubricatngs, including sodium citrate modified base oil, base oil and nanoscale oxygen
Change calcium.
Further, the mass ratio of the modified base oil of the sodium citrate, base oil and nanoscale calcium be (50 ~
75): (25 ~ 40): (2 ~ 15).
It preferably, further include nanoscale blanc fixe.
Further, the content of the nanoscale blanc fixe is 3 ~ 8wt%.
Preferably, the base oil is mineral oil or base oil.
Further, the base oil is terephthalic acid (TPA) aliphatic alcohol ester, trimethylolpropane fatty acid ester, the positive fourth of acetic acid
One or more of ester or Trilinoleyl glyceride.
Preferably, the base oil includes terephthalic acid (TPA) aliphatic alcohol ester, the trimethylolpropane that mass ratio is 3:1:1:1
Aliphatic ester, n-butyl acetate and Trilinoleyl glyceride.
The present invention also provides a kind of methods for preparing any of the above-described open gear lubricatng, including walk as follows
It is rapid:
Base oil, base oil and the nanoscale calcium for taking sodium citrate modified stir 1 ~ 10h at 50 ~ 70 DEG C to get open type
Gear lubricant.
Further, the preparation method of the open gear lubricatng, the system of the improved base oil of sodium citrate
Preparation Method are as follows: take base oil to be added in the sodium citrate aqueous solution of 5 ~ 15wt%, 20 ~ 25h is stirred at 70 ~ 120 DEG C, obtains lemon
The modified base oil of sour sodium.
Preferably, the preparation method of the open gear lubricatng, the improved base oil of sodium citrate it is specific
The preparation method comprises the following steps: taking base oil to be added in the sodium citrate aqueous solution of 5 ~ 15wt%, with the speed of 5 ~ 10 DEG C/min from room temperature liter
Then temperature reacts 20 ~ 25h, system to 70 ~ 120 DEG C under conditions of temperature is 70 ~ 120 DEG C, mixing speed is 100 ~ 300rpm
Obtain the modified base oil of sodium citrate.
Technical solution of the present invention has the advantages that
1, the present invention provides a kind of open gear lubricatngs, including sodium citrate modified base oil, base oil and nanoscale
Calcium oxide is cooperated using the base oil and base oil and nanoscale calcium of sodium citrate modification, without adding it
The multiple additives such as his antiwear additive, viscosity modifier or corrosion inhibitor, save the cost not only increase the abrasion resistance of lubricating oil
Energy, corrosion resistance, and make lubricating oil viscosity with higher obtained and low temperature flow.
2, the present invention provides a kind of open gear lubricatngs, pass through nanoscale blanc fixe and base oil and nanoscale oxygen
Change calcium to cooperate, further improves lubricating oil viscosity, extreme boundary lubrication performance and wear resistance.
3, the present invention provides a kind of preparation methods of open gear lubricatng, during base oil modification, lead to
It crosses with the speed of 5 ~ 10 DEG C/min slowly from room temperature to 70 ~ 120 DEG C, then insulation reaction, making it possible to be made has
The modified base oil of the sodium citrate of higher viscosity and low temperature flow.
Specific embodiment
The screening of base oil type in the present invention
| Number | The composition of base oil | 40 DEG C of kinematic viscosity/(mm2/ s) | Pour point/DEG C |
| 1 | Terephthalic acid (TPA) aliphatic alcohol ester | 2003 | -10 |
| 2 | Trimethylolpropane fatty acid ester | 2134 | -18 |
| 3 | Azelaic acid aliphatic alcohol ester | 2001 | -11 |
| 4 | Polyglycols aliphatic ester | 2019 | -16 |
| 5 | Lead phthalic acid aliphatic ester | 2136 | -10 |
| 6 | Trimethylolpropane fatty acid ester, n-butyl acetate and Trilinoleyl glyceride are 1:1:1 | 2214 | -15 |
| 7 | Terephthalic acid (TPA) aliphatic alcohol ester, trimethylolpropane fatty acid ester, n-butyl acetate and Trilinoleyl glyceride are 3:1:1:1 | 2369 | -20 |
(1) the sodium citrate aqueous solution 100ml of the addition of base oil shown in table 10wt% on 200g is taken, with the speed of 7.5 DEG C/min
From room temperature to 100 DEG C, is then reacted under conditions of temperature is 100 DEG C, mixing speed is 200rpm for 24 hours, lemon is made
The modified base oil of sour sodium；(2) the improved base oil of 65g sodium citrate is taken, base oil and 10g that 35g step (1) uses is added
Nanoscale calcium stirs 2h at 60 DEG C to get open gear lubricatng.Embodiment is measured referring to standard GB/T/T265
40 DEG C of kinematic viscosity of open gear lubricatng made from 1-4 and comparative example 1-2；Implement referring to standard GB/T/T3535 measurement
As a result the low temperature fluidity (pour point) of open gear lubricatng made from example 1-4 and comparative example 1-2 is seen the above table shown.Using
Mass ratio is terephthalic acid (TPA) aliphatic alcohol ester, trimethylolpropane fatty acid ester, n-butyl acetate and three linoleic acid of 3:1:1:1
Oily viscosity with higher and lower pour point based on glyceride.
Embodiment 1
The open gear lubricatng of the present embodiment the preparation method comprises the following steps:
(1) 90g terephthalic acid (TPA) aliphatic alcohol ester, 30g trimethylolpropane fatty acid ester, 30g n-butyl acetate and the Sanya 30g are taken
Olein is uniformly mixed under stirring, the sodium citrate aqueous solution 300ml of 10wt% is added, then with the speed of 7.5 DEG C/min
Then degree reacts for 24 hours under conditions of temperature is 100 DEG C, mixing speed is 200rpm from room temperature to 100 DEG C, lemon is made
The modified base oil of lemon acid sodium；
(2) the improved base oil of 70g sodium citrate is taken, 15g terephthalic acid (TPA) aliphatic alcohol ester, 5g trimethylolpropane fat is added
Acid esters, 5g n-butyl acetate, 5g Trilinoleyl glyceride and 10g nanoscale calcium stir 2h at 60 DEG C to get open type tooth
Take turns lubricating oil.
Embodiment 2
The open gear lubricatng of the present embodiment the preparation method comprises the following steps:
(1) 90g terephthalic acid (TPA) aliphatic alcohol ester, 30g trimethylolpropane fatty acid ester, 30g n-butyl acetate and the Sanya 30g are taken
Olein, stir it is lower be uniformly mixed, the sodium citrate aqueous solution 100ml of 5wt% is added, with the speed of 10 DEG C/min from room
Temperature is warming up to 70 DEG C, and 20h is then reacted under conditions of temperature is 70 DEG C, mixing speed is 300rpm, and obtained sodium citrate changes
The base oil of property；
(2) the improved base oil of 68g sodium citrate is taken, 18g terephthalic acid (TPA) aliphatic alcohol ester, 6g trimethylolpropane fat is added
Acid esters, 6g n-butyl acetate, 6g Trilinoleyl glyceride and 2g nanoscale calcium stir 1h at 70 DEG C to get open type tooth
Take turns lubricating oil.
Embodiment 3
The open gear lubricatng of the present embodiment the preparation method comprises the following steps:
(1) 90g terephthalic acid (TPA) aliphatic alcohol ester, 30g trimethylolpropane fatty acid ester, 30g n-butyl acetate and the Sanya 30g are taken
Olein, stir it is lower be uniformly mixed, the sodium citrate aqueous solution 100ml of 15wt% is added, with the speed of 5 DEG C/min from room
Temperature is warming up to 120 DEG C, then reacts 25h under conditions of temperature is 120 DEG C, mixing speed is 100rpm, and sodium citrate is made
Modified base oil；
(2) the improved base oil of 75g sodium citrate is taken, 21g terephthalic acid (TPA) aliphatic alcohol ester, 7g trimethylolpropane fat is added
Acid esters, 7g n-butyl acetate, 7g Trilinoleyl glyceride and 15g nanoscale calcium stir 3h at 50 DEG C to get open type tooth
Take turns lubricating oil.
Embodiment 4
The open gear lubricatng of the present embodiment the preparation method comprises the following steps:
(1) 60g terephthalic acid (TPA) aliphatic alcohol ester, 20g trimethylolpropane fatty acid ester, 20g n-butyl acetate, the Sanya 20g are taken
Olein is uniformly mixed under stirring, the sodium citrate aqueous solution 200ml of 8wt% is added, then with the speed of 7.5 DEG C/min
From room temperature to 100 DEG C, is then reacted under conditions of temperature is 100 DEG C, mixing speed is 200rpm for 24 hours, lemon is made
The modified base oil of sour sodium；
(2) the improved base oil of 50g sodium citrate is taken, 12g terephthalic acid (TPA) aliphatic alcohol ester, 4g trimethylolpropane fat is added
Acid esters, 4g n-butyl acetate, 4g Trilinoleyl glyceride and 10g nanoscale calcium stir 2h at 60 DEG C to get open type tooth
Take turns lubricating oil.
Embodiment 5
The open gear lubricatng of the present embodiment the preparation method comprises the following steps:
(1) 90g terephthalic acid (TPA) aliphatic alcohol ester, 30g trimethylolpropane fatty acid ester, 30g n-butyl acetate and the Sanya 30g are taken
Olein is uniformly mixed under stirring, the sodium citrate aqueous solution 300ml of 10wt% is added, then with the speed of 20 DEG C/min
From room temperature to 100 DEG C, is then reacted under conditions of temperature is 100 DEG C, mixing speed is 200rpm for 24 hours, lemon is made
The modified base oil of sour sodium；
(2) the improved base oil of 70g sodium citrate is taken, 15g terephthalic acid (TPA) aliphatic alcohol ester, 5g trimethylolpropane fat is added
Acid esters, 5g n-butyl acetate, 5g Trilinoleyl glyceride and 10g nanoscale calcium stir 2h at 60 DEG C to get open type tooth
Take turns lubricating oil.
Embodiment 6
The open gear lubricatng of the present embodiment the preparation method comprises the following steps:
(1) 90g terephthalic acid (TPA) aliphatic alcohol ester, 30g trimethylolpropane fatty acid ester, 30g n-butyl acetate and the Sanya 30g are taken
Olein is uniformly mixed under stirring, the sodium citrate aqueous solution 300ml of 10wt% is added, then with the speed of 7.5 DEG C/min
Then degree reacts for 24 hours under conditions of temperature is 100 DEG C, mixing speed is 200rpm from room temperature to 100 DEG C, lemon is made
The modified base oil of lemon acid sodium；
(2) the improved base oil of 70g sodium citrate is taken, 15g terephthalic acid (TPA) aliphatic alcohol ester, 5g trimethylolpropane fat is added
Acid esters, 5g n-butyl acetate, 5g Trilinoleyl glyceride, 10g nanoscale calcium and 5g nanoscale blanc fixe, at 60 DEG C
2h is stirred to get open gear lubricatng.
Comparative example 1
The open gear lubricatng of this comparative example the preparation method comprises the following steps:
(1) 90g terephthalic acid (TPA) aliphatic alcohol ester, 30g trimethylolpropane fatty acid ester, 30g n-butyl acetate and the Sanya 30g are taken
Olein is uniformly mixed under stirring, the sodium citrate aqueous solution 300ml of 10wt% is added, then with the speed of 7.5 DEG C/min
Then degree reacts for 24 hours under conditions of temperature is 100 DEG C, mixing speed is 200rpm from room temperature to 100 DEG C, lemon is made
The modified base oil of lemon acid sodium；
(2) the improved base oil of 70g sodium citrate is taken, 15g terephthalic acid (TPA) aliphatic alcohol ester, 5g trimethylolpropane fat is added
Acid esters, 5g n-butyl acetate and 5g Trilinoleyl glyceride stir 2h at 60 DEG C to get open gear lubricatng.
Comparative example 2
The open gear lubricatng of this comparative example the preparation method comprises the following steps:
Take 60g terephthalic acid (TPA) aliphatic alcohol ester, 20g trimethylolpropane fatty acid ester, 20g n-butyl acetate and the Sanya 20g oil
Acid glyceride and 12g nanoscale calcium stir 2h at 60 DEG C to get open gear lubricatng.
Experimental example 1
40 DEG C of movements of the open gear lubricatng referring to made from standard GB/T/T265 measurement embodiment 1-4 and comparative example 1-2
Viscosity；The low temperature stream of the open gear lubricatng referring to made from standard GB/T/T3535 measurement embodiment 1-4 and comparative example 1-2
Dynamic performance (pour point)；The open gear lubricatng referring to made from standard GB/T/T3142 measurement embodiment 1-4 and comparative example 1-2
Extreme boundary lubrication performance (sintering load)；It is opened referring to made from standard GB/T/T5096 measurement embodiment 1-4 and comparative example 1-2
The corrosion level of formula gear lubricant；The open type referring to made from national standard SH/T0189 measurement embodiment 1-4 and comparative example 1-2
The wear resistance (wear scar diameter) of gear lubricant, the results are shown in Table 1.
The performance test results table of open gear lubricatng made from table 1 embodiment 1-4 and comparative example 1-2
| 40 DEG C of kinematic viscosity/(mm2/ s) | Pour point/DEG C | Sintering load PD/N | Copper corrosion (100 DEG C, 3h), grade | Wear scar diameter/mm | |
| Embodiment 1 | 2369 | -20 | 3524 | 1b | 0.23 |
| Embodiment 2 | 2407 | -19 | 3531 | 1b | 0.21 |
| Embodiment 3 | 2419 | -21 | 3608 | 1c | 0.20 |
| Embodiment 4 | 2384 | -20 | 3517 | 1b | 0.21 |
| Embodiment 5 | 2112 | -15 | 3408 | 1c | 0.28 |
| Embodiment 6 | 2573 | -21 | 3721 | 1b | 0.17 |
| Comparative example 1 | 2024 | -12 | 3012 | 2c | 0.48 |
| Comparative example 2 | 1267 | -6 | 2861 | 2d | 0.39 |
As can be known from Table 1, compared to comparative example 1-2, the viscosity of open gear lubricatng made from embodiment 1-5, low temperature flow
Performance, extreme boundary lubrication performance, wear resistance and corrosion resistance are significantly improved, and corrosion level is 1 grade；And compared to
Embodiment 5, open gear lubricatng viscosity with higher and low temperature flow made from embodiment 1-4, illustrates to pass through preparation
The control of parameter in method, can advanced optimize, and improve the performance of open gear lubricatng.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Change the protection scope still in the invention.
Claims (10)
1. a kind of open gear lubricatng, which is characterized in that including sodium citrate modified base oil, base oil and nanoscale oxygen
Change calcium.
2. open gear lubricatng according to claim 1, which is characterized in that the modified base oil of the sodium citrate,
The mass ratio of base oil and nanoscale calcium is (50 ~ 75): (24 ~ 42): (2 ~ 15).
3. open gear lubricatng according to claim 1 or 2, which is characterized in that further include nanoscale blanc fixe.
4. open gear lubricatng according to claim 1 to 3, which is characterized in that the nanoscale blanc fixe
Content be 3 ~ 8wt%.
5. open gear lubricatng according to any one of claims 1-4, which is characterized in that the base oil is mineral oil
Or base oil.
6. any open gear lubricatng in -5 according to claim 1, which is characterized in that the base oil is to benzene two
Formic acid aliphatic alcohol ester, trimethylolpropane fatty acid ester, neck phthalic acid aliphatic ester, n-butyl acetate or three linoleic acids
One of ester or at least two mixture.
7. any open gear lubricatng in -6 according to claim 1, which is characterized in that the base oil includes quality
Than for the terephthalic acid (TPA) aliphatic alcohol ester of 3:1:1:1, trimethylolpropane fatty acid ester, n-butyl acetate and three linoleic acids
Ester.
8. a kind of method for preparing any open gear lubricatng in claim 1 ~ 7, which is characterized in that including as follows
Step:
Base oil, base oil and the nanoscale calcium for taking sodium citrate modified stir 1 ~ 10h at 50 ~ 70 DEG C to get open type
Gear lubricant.
9. the preparation method of open gear lubricatng according to claim 8, which is characterized in that
The improved base oil of sodium citrate the preparation method comprises the following steps: take base oil be added 5 ~ 15wt% sodium citrate aqueous solution
In, 20 ~ 25h is stirred at 70 ~ 120 DEG C, obtains the modified base oil of sodium citrate.
10. the preparation method of open gear lubricatng according to claim 8 or claim 9, which is characterized in that
The improved base oil of sodium citrate specific is the preparation method comprises the following steps: take base oil that the sodium citrate of 5 ~ 15wt% is added
In aqueous solution, with the speed of 5 ~ 10 DEG C/min from room temperature to 70 ~ 120 DEG C, then it is 70 ~ 120 DEG C, stirs speed in temperature
Degree reacts 20 ~ 25h under conditions of being 100 ~ 300rpm, and the modified base oil of sodium citrate is made.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110257127A (en) * | 2019-05-31 | 2019-09-20 | 徐玉琴 | A kind of biodegradable high perofmrnace lubricating oils and preparation method thereof |
| CN112300853A (en) * | 2019-07-31 | 2021-02-02 | 上海易到润滑油有限公司 | Environment-friendly gear lubricating oil and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102329677A (en) * | 2011-08-09 | 2012-01-25 | 安徽省泛亚能源有限公司 | Efficient and energy-saving repairing agent |
| CN109370730A (en) * | 2018-11-20 | 2019-02-22 | 福泉市利广环保设备有限公司 | A kind of environmental protection equipment lubricating oil and preparation method thereof |
-
2019
- 2019-02-25 CN CN201910137615.1A patent/CN109797030A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102329677A (en) * | 2011-08-09 | 2012-01-25 | 安徽省泛亚能源有限公司 | Efficient and energy-saving repairing agent |
| CN109370730A (en) * | 2018-11-20 | 2019-02-22 | 福泉市利广环保设备有限公司 | A kind of environmental protection equipment lubricating oil and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110257127A (en) * | 2019-05-31 | 2019-09-20 | 徐玉琴 | A kind of biodegradable high perofmrnace lubricating oils and preparation method thereof |
| CN112300853A (en) * | 2019-07-31 | 2021-02-02 | 上海易到润滑油有限公司 | Environment-friendly gear lubricating oil and preparation method thereof |
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Application publication date: 20190524 |