CN110283639A - A kind of function lube oil additive and its preparation method and application - Google Patents
A kind of function lube oil additive and its preparation method and application Download PDFInfo
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- CN110283639A CN110283639A CN201910650989.3A CN201910650989A CN110283639A CN 110283639 A CN110283639 A CN 110283639A CN 201910650989 A CN201910650989 A CN 201910650989A CN 110283639 A CN110283639 A CN 110283639A
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- boron nitride
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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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
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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
- C10M2201/103—Clays; Mica; Zeolites
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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
- C10M2201/14—Inorganic compounds or elements as ingredients in lubricant compositions inorganic compounds surface treated with organic compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/40—Low content or no content compositions
- C10N2030/41—Chlorine free or low chlorine content compositions
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/40—Low content or no content compositions
- C10N2030/42—Phosphor free or low phosphor content compositions
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/40—Low content or no content compositions
- C10N2030/43—Sulfur free or low sulfur content compositions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/64—Environmental friendly compositions
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a kind of function lube oil additives and its preparation method and application, graphene oxide and boron nitride are handled with silane coupling agent respectively, the two is mixed with montmorillonite, heating reaction obtains functional graphene/modification boron nitride/montmorillonite trielement composite material lube oil additive.The composite material is mixed with lubricating oil with certain proportion, few additive amount can obtain extremely excellent anti-wear and wear-resistant performance, one layer of selfreparing film is formed on the secondary surface of friction in process of friction and wear, the hardness of effective enhancing surface of friction pair, the abrasion-resistance of wear surface is effectively improved, to improve the service life of mill part.
Description
Technical field
The present invention relates to a kind of functional graphene/modification boron nitride/montmorillonite trielement composite material lube oil additives, system
Preparation Method and its application, belong to technical field of lubricating oil.
Background technique
Chinese patent CN201711383769 discloses the lube oil additive of functionalization graphene load montmorillonite, preparation
Method and its application although the lube oil additive has extremely excellent dispersion performance in lubricating oil, and have certain
Antifriction repair ability, but its coefficient of friction reduce it is low not enough.
Boron nitride lamella has good high temperature resistance, excellent corrosion resistance, higher thermal conductivity, lower heat
The coefficient of expansion also has insulation and the properties such as wave transparent, is a kind of huge new function material of application value, thermally conductive, lubrication,
There is important application in the fields such as hydrogen storage, battery diaphragm material, high-temperature oxidation resistant coating, catalysis.Guo Qiliang has studied boron nitride
As antifriction ability of the additive in lubricating oil and lubricating grease, compare molybdenum disulfide and graphite, there is more excellent property
Energy.[Guo Qiliang boron nitride makees the antifriction effect China Mechanical Engineering of lubricant additive, 1995 (02): 57-58+79.] but
It is poor to be that boron nitride is directly used as dispersion stabilization of the lube oil additive in oil product, easily reunites, and have not been reported title nitrogen
Changing boron material has repair ability for wear surface.
Summary of the invention
The purpose of the present invention is to provide a kind of functional graphene/modification boron nitride/montmorillonite trielement composite material lubrications
Oil additive, preparation method and applications.
To achieve the goals above The technical solution adopted by the invention is as follows: a kind of functional graphene/modification boron nitride/illiteracy
De- soil trielement composite material lube oil additive, function graphene oxide, modified boron nitride by mass ratio for 4:1-16:2-32
It is mixed with montmorillonite.
Above-mentioned lube oil additive is prepared by following steps:
(1) dispersion of graphene oxide is prepared as raw material using the graphene oxide of improved Hummers method preparation
Liquid is added silane coupling agent and reacts 1-6h at 25-100 DEG C, and separation, cleaning obtain function graphene oxide；
(2) silane coupling agent is added in the dispersion liquid of boron nitride, 1-8h is reacted at 25-100 DEG C, centrifugation, cleaning obtain
Modified boron nitride；
(3) 0.5-2h is mixed in the dispersion liquid of modified boron nitride, montmorillonite and function graphene oxide, in 100-
1-5h is reacted at 180 DEG C, obtains the lube oil additive after centrifugation, cleaning.
Preferably, in step (1) and step (2), in silane coupling agent A-1100, A-1110, A-1120, KBM-602
Any one.
Preferably, in step (1), the mass ratio of graphene oxide and silane coupling agent is 1:24-200.
Preferably, in step (2), the mass ratio of boron nitride and silane coupling agent is 1:50-200.
Preferably, graphene oxide, boron nitride and the mass ratio of montmorillonite are 4:1-16:2-32.
Preferably, in step (1)-(3), the dispersion liquid of graphene oxide, the dispersion liquid of boron nitride and function graphite oxide
In the dispersion liquid of alkene, the dispersing agent in each dispersion liquid is identical, including ethyl alcohol or water.
Preferably, in step (1)-(3), heating method be heated at reflux or autoclave heating reaction.
The application of above-mentioned functional graphene/modification boron nitride/montmorillonite trielement composite material lube oil additive, the addition
Concentration of the agent in lubricating oil is 0.011-0.089wt%；The lubricating oil can be the lubricating oil of any brand, as the Kunlun day
Scorpion F5000, SF15W-40 type lubricating oil and Great Wall SJ10W-40 lubricating oil etc., be also possible to base oil as mineral base oil or
Synthetic base oil.
By above-mentioned technical proposal, a kind of functional graphene/modification boron nitride/montmorillonite tri compound prepared by the present invention
Material lube oil additive has the advantages that
1) preparation process of the present invention is simple, and raw material is easy to get, and additive obtained was prepared without containing elements such as sulphur, phosphorus, chlorine
Journey is environmentally protective.
2) composite material lube oil additive anti-wear and wear-resistant performance produced by the present invention is excellent, hence it is evident that is better than other single materials
Material.
Detailed description of the invention
Fig. 1 is that functional graphene/modification boron nitride/montmorillonite trielement composite material lube oil additive prepares flow graph.
Specific embodiment
Below in conjunction with the detailed description that attached drawing and embodiment carry out the present invention, but embodiment does not appoint the present invention
The restriction of what form.
In conjunction with Fig. 1, the preparation process of trielement composite material lube oil additive of the present invention is given by following examples
Out.
Embodiment one
(1) using the graphene oxide of improved Hummers method preparation as raw material, preparing concentration is 0.025wt%'s
The aqueous dispersions 160g of graphene oxide.Then, the silane coupling agent (A-1100) of 6mL is added, stirs 1h at room temperature.Finally turn
It moves in flask, 80 DEG C of reaction 2h.Cooling is stood, centrifuge separation is added appropriate amount of deionized water and obtains function graphite oxide after washing
The aqueous dispersions of alkene.
(2) weigh 0.04g boron nitride add water and stir uniformly after, obtain the aqueous dispersions of boron nitride, at room temperature be added 6mL silicon
Alkane coupling agent (A-1100) stirs 1h, and 2h is reacted in 80 DEG C of heating, and centrifugation, washing obtain modified boron nitride.
(3) aqueous dispersions of above-mentioned modified boron nitride, 0.16g montmorillonite and above-mentioned function graphene oxide is taken to be mixed
1h；120 DEG C of hydro-thermal reaction 4h in reaction kettle are transferred to, cooling is stood；Centrifuge separation, is washed with water and ethyl alcohol respectively, is dried to obtain
Functional graphene/modification boron nitride/montmorillonite trielement composite material lube oil additive.
(4) tribological property is evaluated
By functional graphene obtained/modification boron nitride/montmorillonite trielement composite material lube oil additive and the Kunlun day
Scorpion SF15W-40 lubricating oil mixes in varing proportions.Friction-wear test is carried out using MRS-10G four-ball friction and wear test machine,
Hardness is used to be tested for the GCr steel ball that 770HV, diameter are 12.7mm.Test condition: load 197N, revolving speed 600rpm, examination
Test time 3600s.The coefficient of friction of composite material lube oil additive and mill spot under various concentration are given in this example in table 1
Diameter, and simple graphene oxide, montmorillonite, boron nitride test when concentration is 0.044wt% are given in order to compare
As a result, it is seen that there is excellent greasy property, friction compared to composite material lube oil additive made from one-component material
Coefficient can reduce about 73.67% compared to simple lubricating oil, and wear scar diameter reduces about 18.18%.Simultaneously for mill spot table
Face has carried out micro-hardness testing, and test result is given in Table 2, it is seen that spot is ground in the use of composite material lube oil additive
The hardness on surface itself improves 18.70% compared to steel ball.
Embodiment two
(1) using the graphene oxide of improved Hummers method preparation as raw material, preparing concentration is 0.025wt%'s
The aqueous dispersions 160g of graphene oxide.Then, the silane coupling agent (A-1110) of 1mL is added, reacts 5h at 25 DEG C.It stands cold
But, it is centrifugated, the aqueous dispersions that appropriate amount of deionized water obtains function graphene oxide is added after washing.
(2) it weighs after 0.01g boron nitride adds water and stirs and be uniformly dispersed, obtains the aqueous dispersions of boron nitride, 0.5mL silicon is added
Alkane coupling agent (A-1110) reacts 8h at room temperature, and centrifugation, washing obtain modified boron nitride.
(3) aqueous dispersions of above-mentioned modified boron nitride, 0.02g montmorillonite and above-mentioned function graphene oxide is taken to be mixed
0.5h；200 DEG C of hydro-thermal reaction 1h in reaction kettle are transferred to, cooling is stood；Centrifuge separation, is washed with water and ethyl alcohol respectively, dry
To functional graphene/modification boron nitride/montmorillonite trielement composite material lube oil additive.
(4) tribological property is evaluated
By functional graphene obtained/modification boron nitride/montmorillonite trielement composite material lube oil additive and the Kunlun day
Scorpion SF15W-40 lubricating oil is mixed with 0.044wt%.Fretting wear examination is carried out using MRS-10G four-ball friction and wear test machine
It tests, is tested using the GCr steel ball of hardness 770HV, diameter 12.7mm.Test condition: load 197N, revolving speed 600rpm, when
Between 3600s.Test result is given in Table 1.
Embodiment three
(1) using the graphene oxide of improved Hummers method preparation as raw material, preparing concentration is 0.025wt%'s
The alcohol dispersion liquid 160g of graphene oxide.Then, the silane coupling agent (A-1120) of 8mL, 80 DEG C of back flow reaction 1h are added.
The alcohol dispersion liquid that ethanol in proper amount obtains function graphene oxide is added in water, ethyl alcohol after washing.
(2) weigh 0.16g boron nitride add ethyl alcohol be dispersed with stirring uniformly after, obtain the alcohol dispersion liquid of boron nitride, be added
16mL silane coupling agent (A-1120), 60 DEG C of back flow reaction 3h, centrifugation, washing obtain modified boron nitride.
(3) it takes the alcohol dispersion liquid of above-mentioned modified boron nitride, 0.32g montmorillonite and above-mentioned function graphene oxide to mix to stir
Mix 2h；100 DEG C of back flow reaction 5h in reaction kettle are transferred to, cooling is stood；Centrifuge separation, is washed with water and ethyl alcohol respectively, dry
To functional graphene/modification boron nitride/montmorillonite trielement composite material lube oil additive.
(4) tribological property is evaluated
By functional graphene obtained/modification boron nitride/montmorillonite trielement composite material lube oil additive and the Kunlun day
Scorpion SF15W-40 lubricating oil is mixed with 0.044wt%.Fretting wear examination is carried out using MRS-10G four-ball friction and wear test machine
It tests, is tested using the GCr steel ball of hardness 770HV, diameter 12.7mm.Test condition: load 197N, revolving speed 600rpm, when
Between 3600s.Test result is given in Table 1.
Example IV
(1) using the graphene oxide of improved Hummers method preparation as raw material, preparing concentration is 0.025wt%'s
The alcohol dispersion liquid 160g of graphene oxide.Then, the silane coupling agent (KBM-602) of 3mL is added, is transferred to reaction kettle, 95
DEG C reaction 4h.The alcohol dispersion liquid that ethanol in proper amount obtains function graphene oxide is added in water, ethyl alcohol after washing.
(2) it weighs after 0.08g boron nitride adds ethyl alcohol to be dispersed with stirring, obtains the alcohol dispersion liquid of boron nitride, 16mL silicon is added
Alkane coupling agent (KBM-602) is transferred to 100 DEG C of reaction 1h of reaction kettle, and centrifugation, washing obtain modified boron nitride.
(3) it takes the alcohol dispersion liquid of above-mentioned modified boron nitride, 0.24g montmorillonite and above-mentioned function graphene oxide to mix to stir
Mix 2h；150 DEG C of reaction 5h of reaction kettle are transferred to, cooling is stood；Centrifuge separation, is washed with water and ethyl alcohol respectively, is dried to obtain function
Graphene/modification boron nitride/montmorillonite trielement composite material lube oil additive.
(4) tribological property is evaluated
By functional graphene obtained/modification boron nitride/montmorillonite trielement composite material lube oil additive and the Kunlun day
Scorpion SF15W-40 lubricating oil is mixed with 0.044wt%.Fretting wear examination is carried out using MRS-10G four-ball friction and wear test machine
It tests, is tested using the GCr steel ball of hardness 770HV, diameter 12.7mm.Test condition: load 197N, revolving speed 600rpm, when
Between 3600s.Test result is given in Table 1.
The coefficient of friction and wear scar diameter of the different oil samples of table 1
Table 2 grinds spot surface microhardness test result
Claims (9)
1. a kind of function lube oil additive, the function graphite oxide that the additive is 4: 1-16: 2-32 by mass ratio
Alkene, modified boron nitride and montmorillonite mix.
2. lube oil additive as described in claim 1, which is characterized in that prepared by following steps:
(1) dispersion liquid of graphene oxide is prepared, is added as raw material using the graphene oxide of improved Hummers method preparation
Enter silane coupling agent and react 1-6 h at 25-100 DEG C, separation, cleaning obtain function graphene oxide；
(2) silane coupling agent is added in the dispersion liquid of boron nitride, 1-8 h is reacted at 25-100 DEG C, centrifugation, cleaning are changed
Property boron nitride；
(3) 0.5-2h is mixed in the dispersion liquid by modified boron nitride and montmorillonite and function graphene oxide, in 100-180
1-5 h is reacted at DEG C, obtains the lube oil additive after centrifugation, cleaning.
3. lube oil additive as claimed in claim 2, which is characterized in that in step (1) and step (2), silane coupling agent
For any one in A-1100, A-1110, A-1120, KBM-602.
4. lube oil additive as claimed in claim 2, which is characterized in that in step (1), graphene oxide with it is silane coupled
The mass ratio of agent is 1:24-200.
5. lube oil additive as claimed in claim 2, which is characterized in that in step (2), boron nitride and silane coupling agent
Mass ratio is 1:50-200.
6. lube oil additive as claimed in claim 2, which is characterized in that in step (1)-(3), what each dispersion liquid used divides
Powder is identical, in second alcohol and water any one.
7. the preparation method of lube oil additive as described in claim 1, which comprises the steps of:
(1) dispersion liquid of graphene oxide is prepared, is added as raw material using the graphene oxide of improved Hummers method preparation
Enter silane coupling agent and react 1-6 h at 25-100 DEG C, separation, cleaning obtain function graphene oxide；
(2) silane coupling agent is added in the dispersion liquid of boron nitride, 1-8 h is reacted at 25-100 DEG C, centrifugation, cleaning are changed
Property boron nitride；
(3) 0.5-2h is mixed in the dispersion liquid by modified boron nitride and montmorillonite and function graphene oxide, in 100-180
1-5 h is reacted at DEG C, obtains the lube oil additive after centrifugation, cleaning.
8. the application of the lube oil additive as described in claim 1-6 is any, which is characterized in that the additive is in lubricating oil
Concentration be 0.011-0.089 wt%.
9. application as claimed in claim 8, which is characterized in that the lubricating oil include the Kunlun scorpio F5000 lubricating oil,
SF15W-40 type lubricating oil and Great Wall SJ10W-40 lubricating oil or mineral base oil, synthetic base oil.
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| CN113621433A (en) * | 2021-07-29 | 2021-11-09 | 四川中德铝业有限公司 | Special cooling liquid for aluminum alloy extruded cakes |
| CN114479990A (en) * | 2022-02-09 | 2022-05-13 | 王旭锋 | Lubricating oil additive and preparation method and application thereof |
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