CN109233978A - A method of antiwear and antifriction lubricating oil is prepared with additive filling plant oil base nano-fluid - Google Patents
A method of antiwear and antifriction lubricating oil is prepared with additive filling plant oil base nano-fluid Download PDFInfo
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- CN109233978A CN109233978A CN201811356618.6A CN201811356618A CN109233978A CN 109233978 A CN109233978 A CN 109233978A CN 201811356618 A CN201811356618 A CN 201811356618A CN 109233978 A CN109233978 A CN 109233978A
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Classifications
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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
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
-
- 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
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
-
- 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
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
- C10M2201/066—Molybdenum sulfide
-
- 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
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
-
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/08—Solids
Abstract
The invention discloses a kind of methods for preparing antiwear and antifriction lubricating oil with additive filling plant oil base nano-fluid, and castor oil and coconut oil are mixed, and additive stratiform ɑ-basic zirconium phosphate is added thereto, grinds on three-roller after mixing evenly, obtains base oil；Modified boron nitride nanometer particle, magnetic agitation pretreatment, then constant-temperature ultrasonic vibrating dispersion are added into base oil, stands, obtains plant oil base nano-fluid；The nanometer palygorskite and nano silica-copper micron particles filling polytetrafluoroethylgranule granule, ferroso-ferric oxide-molybdenum disulfide compound additive of surface modification is added thereto again, ultrasonic disperse is uniform, and the lubricating oil is made.
Description
Technical field
The invention belongs to lubricating oil fields, and in particular to it is a kind of with additive filling plant oil base nano-fluid prepare it is wear-resistant
The method of antifriction lubrication oil.
Background technique
In the sassafras lubricating area that rubs, lube oil additive plays the role of very important, is mainly used to improve base oil
Comprehensive performance, for example fretting wear is reduced, repairing wear surface etc..Most-often used additive is the addition of antifriction antiwear lubricating oil
Agent.With the addition of additive, the quality and antifriction antiwear ability of lubricating oil are all greatly improved.But conventional lubrication is oily
Additive contains the environmentally harmful element such as more sulphur, phosphorus, chlorine, it is difficult to meet the requirement of environmental protection.Therefore more and more domestic
Outer scholar is sought for novel, environmentally friendly lube oil additive, wherein to nitrogen-containing borate and ionic liquid and micro-nano
Rice grain is even more to become focus as the research of lube oil additive.
Molybdenum disulfide has a special layer structure as typical transistion metal compound, layer and interlayer rely on and its
Faint Van der Waals force is connected, can occur under low stress load sliding to metal friction face formed transfer membrane, because
This is with excellent greasy property, however pure molybdenum disulfide is since hardness is low, loosely organized and adhesion strength is poor etc. that factors make it
It is easy to fail under low stress load, it is therefore desirable to prepare composite material to improve the abrasion resistance of molybdenum disulfide.
Currently, lubricating oil is made of mineral oil mostly, but mineral oil is larger to human health and environmental hazard.Castor oil is due to tool
There are good biological degradability, inoxidizability and excellent greasy property, increasingly causes as environment-friendly lubricating oil and cutting oil
The attention of people.In addition, in science of lubrication research, it has been found that, certain micro-nano granules additives, which can further decrease, to rub
It wipes coefficient, improve wearability.Fretting wear will cause economic loss very serious, be the main of mechanical failure and energy waste
One of reason.The use of lubricant is to solve the problems, such as one of this effective means, thus wide always in industrial circle
General application.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of additive filling plant oil base nano-fluid system is provided
The method of standby antiwear and antifriction lubricating oil, the lubricating oil according to this method production have excellent antiwear and friction reduction property, coefficient of friction
It is small, volume wear is low.
The present invention is achieved by the following technical solutions:
A method of antiwear and antifriction lubricating oil is prepared with additive filling plant oil base nano-fluid, which is characterized in that including
Following steps:
(1) filler filled polytetrafluoroethylene particle:
0.1-0.2 parts of nano silicas, 0.1-0.2 parts of copper micron particles and 20-40 parts of polytetrafluorethylepowder powders are mixed, are filled
Divide and stir evenly, 10-20 parts of sodium dodecyl sulfate solutions, 60-120 parts of distilled water are added, stir 5-10min, 15-30 is added dropwise
Part methylene chloride, is stirred for 5-10min, and filtering, washing 3-5 times in 120-125 DEG C of dry 2-3h, obtain nano silica-
The polytetrafluoroethylgranule granule of copper micron particles filling；
(2) ferroso-ferric oxide-molybdenum disulfide compound additive preparation:
1000-1200 parts of deionized water-ethanol solutions are added into 1-2 parts of molybdenum disulfide nano sheets, ultrasonic 2-3h is uniformly dispersed；
1.4-2.8 parts of Iron dichloride tetrahydrates and 3.7-7.4 parts of ferric chloride hexahydrates are added in 200-400 parts of distilled water, magnetic force
Stirring and dissolving is added in molybdenum disulfide solution, and after 80-85 DEG C of stirred in water bath 20-30min, 200-400 parts of ammonia are added
Water continues to stir 30-35min, be cooled to room temperature, centrifuge washing 4-6 times, vacuum drying 20-24h, obtains four at 50-55 DEG C
Fe 3 O-molybdenum disulfide compound additive；
(3) preparation of plant oil base nano-fluid lubricating oil:
45-50 parts of castor oil and 40-45 coconut oil are mixed, additive stratiform ɑ-basic zirconium phosphate are added thereto, after mixing evenly
It is ground 4-5 times on three-roller, obtains base oil；1-8 parts of modified boron nitride nanometer particles are added into base oil, in 55-60
Magnetic agitation pre-processes 20-30min, then constant-temperature ultrasonic vibrating dispersion 1-2h at DEG C, stands 24-25h, obtains plant oil base and receive
Meter Liu Ti；Resulting material in the nanometer palygorskite and (1), (2) of surface modification is added thereto again, ultrasonic disperse is uniform, is made
The lubricating oil.
Further, the concentration of sodium dodecyl sulfate solution is 1-2% in step (1).
Further, deionized water-ethanol solution volume fraction is 50% in step (2).
Further, boron nitride nanometer is granule modified in step (3): 0.1-0.2 parts being added into 20-40 parts of deionized waters
Silane coupling A -151, sonic oscillation 15-20min are fully hydrolyzed, and 2-4 parts of boron nitride nanometer particles, magnetic agitation 10- is added
15min, 50-55 DEG C of sonic oscillation 20-30min of constant temperature are obtained in 60-65 DEG C of vacuum drying 20-30min, then ball milling 30-35min
To modified boron nitride nanometer particle.
Further, in step (3) nanometer palygorskite surface modification: anhydrous second is added into silane resin acceptor kh-550
Alcohol, the solution that compound concentration is 2%, is poured into 2-4 parts of nanometer palygorskites, ball milling 28-32h sufficiently reacts in ball grinder, is put into
After 4-5h is dried in drying box, then the 8-10h that dry grinds, separation with mortar grinder 30-40min, are put into 80-85 DEG C of baking
3-5h is dried in dry case, obtains the nanometer palygorskite of surface modification.
The present invention has the advantage that compared with prior art
(1) it is filled into polytetrafluoroethylgranule granule using copper micron particles and nano silica as filler, by filling it
Polytetrafluoroethylene (PTFE) afterwards shows better antifriction antiwear effect, the transfer generated due to the self-lubricating effect of polytetrafluoroethylene (PTFE)
Film, along with metal surface the oxygen that chemical reaction generates silicon can occur for the self-reparing capability and silica of copper micron particles
Compound also functions to certain lubricating action.
(2) ferroso-ferric oxide-molybdenum disulfide compound additive, ferriferrous oxide nano are prepared by the in-situ chemical precipitation method
Particle is effectively adsorbed on molybdenum disulfide nano sheet surface, and the frictional behaviour of compound additive has obtained effective enhancing really, is rubbing
The initial phase energy fast lubricant for journey of nuzzling up, on the one hand since the molybdenum disulfide in compound additive can be preferentially in rubbing surface
Transfer membrane is formed, furthermore the ferriferrous oxide nano-particle on nanometer sheet surface can play the role of microcosmic bearing, change friction
Mode reduces fretting wear.
(3) it is modified by -151 pairs of boron nitride nanometer particles of silane coupling A, modified boron nitride nanometer particle
Lipophilic-hydrophobic property is presented, modified nitridation boron surface contains vinyl, thus oleophylic performance is enhanced；Using two-step method pair
Prepared by nano-fluid, modification can improve stability of the nano particle in castor oil.
(4) nanometer palygorskite and ferroso-ferric oxide-molybdenum disulfide compound additive collaboration anti-wear and wear-resistant performance are good, compound
The tribological property of additive is excellent, and the antifriction antiwear of lubricating oil is excellent；Being primarily due to nanometer palygorskite particle can be in steel ball table
Face forms self-repairing control, improves the abrasion of steel ball surface, improves the wear resistence of lubricating oil.Meanwhile palygorskite and four aoxidizes
Three-iron-molybdenum disulfide compound additive has collaboration antifriction antiwear effect, makes palygorskite and ferroso-ferric oxide-molybdenum disulfide is compound adds
Add agent to improve activity each other in friction process, accelerate the formation of steel ball surface deposition film, thus improves compound addition
The frictional behaviour of agent lubricating oil.
Specific embodiment
Embodiment 1
A method of antiwear and antifriction lubricating oil is prepared with additive filling plant oil base nano-fluid, which is characterized in that including
Following steps:
(1) filler filled polytetrafluoroethylene particle:
0.1 part of nano silica, 0.1 part of copper micron particles and 20 parts of polytetrafluorethylepowder powders are mixed, are stirred,
10 parts of sodium dodecyl sulfate solutions, 60 parts of distilled water are added, stirs 5min, 15 parts of methylene chloride is added dropwise, are stirred for 5min, mistake
Filter, washing 3 times obtain nano silica-copper micron particles filling polytetrafluoroethylgranule granule in 120-125 DEG C of dry 2h；
(2) ferroso-ferric oxide-molybdenum disulfide compound additive preparation:
1000 parts of deionized water-ethanol solutions are added into 1 part of molybdenum disulfide nano sheet, ultrasonic 2h is uniformly dispersed；By 1.4 part four
Chloride hydrate ferrous iron and 3.7 parts of ferric chloride hexahydrates are added in 200 parts of distilled water, and magnetic agitation dissolution is added to curing
In molybdenum solution, after 80-85 DEG C of stirred in water bath 20min, 200 parts of ammonium hydroxide are added, continues to stir 30min, be cooled to room temperature, from
The heart washs 4 times, and the vacuum drying 20h at 50-55 DEG C obtains ferroso-ferric oxide-molybdenum disulfide compound additive；
(3) preparation of plant oil base nano-fluid lubricating oil:
45 parts of castor oil and 40 coconut oil are mixed, additive stratiform ɑ-basic zirconium phosphate are added thereto, after mixing evenly in three rollers
It is ground 4 times on machine, obtains base oil；1 part of modified boron nitride nanometer particle is added into base oil, magnetic force stirs at 55-60 DEG C
Pretreatment 20min, then constant-temperature ultrasonic vibrating dispersion 1h are mixed, stands for 24 hours, obtains plant oil base nano-fluid；Add thereto again
Enter resulting material in the nanometer palygorskite and (1), (2) of surface modification, ultrasonic disperse is uniform, and the lubricating oil is made.
Further, the concentration of sodium dodecyl sulfate solution is 1% in step (1).
Further, deionized water-ethanol solution volume fraction is 50% in step (2).
Further, boron nitride nanometer is granule modified in step (3): 0.1 part of silane idol being added into 20 parts of deionized waters
Join agent A-151, sonic oscillation 15min is fully hydrolyzed, and 2 parts of boron nitride nanometer particles, magnetic agitation 10min, constant temperature 50-55 is added
DEG C sonic oscillation 20min obtains modified boron nitride nanometer particle in 60-65 DEG C of vacuum drying 20min, then ball milling 30-35min.
Further, in step (3) nanometer palygorskite surface modification: anhydrous second is added into silane resin acceptor kh-550
Alcohol, the solution that compound concentration is 2%, is poured into 2 parts of nanometer palygorskites, ball milling 28h sufficiently reacts in ball grinder, is put into drying
After 4h is dried in case, then the 8h that dry grinds, separation with mortar grinder 30min, are put into 80-85 DEG C of drying box and are done
Dry processing 3h, obtains the nanometer palygorskite of surface modification.
Embodiment 2
A method of antiwear and antifriction lubricating oil is prepared with additive filling plant oil base nano-fluid, which is characterized in that including
Following steps:
(1) filler filled polytetrafluoroethylene particle:
0.2 part of nano silica, 0.2 part of copper micron particles and 40 parts of polytetrafluorethylepowder powders are mixed, are stirred,
20 parts of sodium dodecyl sulfate solutions, 120 parts of distilled water are added, stirs 10min, 30 parts of methylene chloride is added dropwise, are stirred for
10min, filtering, washing 5 times obtain nano silica-copper micron particles filling polytetrafluoro in 120-125 DEG C of dry 3h
Ethylene particle；
(2) ferroso-ferric oxide-molybdenum disulfide compound additive preparation:
1200 parts of deionized water-ethanol solutions are added into 2 parts of molybdenum disulfide nano sheets, ultrasonic 3h is uniformly dispersed；By 2.8 part four
Chloride hydrate ferrous iron and 7.4 parts of ferric chloride hexahydrates are added in 400 parts of distilled water, and magnetic agitation dissolution is added to curing
In molybdenum solution, after 80-85 DEG C of stirred in water bath 30min, 400 parts of ammonium hydroxide are added, continues to stir 35min, be cooled to room temperature, from
The heart washs 6 times, and vacuum drying for 24 hours, obtains ferroso-ferric oxide-molybdenum disulfide compound additive at 50-55 DEG C；
(3) preparation of plant oil base nano-fluid lubricating oil:
50 parts of castor oil and 45 coconut oil are mixed, additive stratiform ɑ-basic zirconium phosphate are added thereto, after mixing evenly in three rollers
It is ground 5 times on machine, obtains base oil；8 parts of modified boron nitride nanometer particles are added into base oil, magnetic force stirs at 55-60 DEG C
Pretreatment 30min, then constant-temperature ultrasonic vibrating dispersion 2h are mixed, 25h is stood, obtains plant oil base nano-fluid；Add thereto again
Enter resulting material in the nanometer palygorskite and (1), (2) of surface modification, ultrasonic disperse is uniform, and the lubricating oil is made.
Further, the concentration of sodium dodecyl sulfate solution is 2% in step (1).
Further, deionized water-ethanol solution volume fraction is 50% in step (2).
Further, boron nitride nanometer is granule modified in step (3): 0.2 part of silane idol being added into 40 parts of deionized waters
Join agent A-151, sonic oscillation 20min is fully hydrolyzed, and 4 parts of boron nitride nanometer particles, magnetic agitation 15min, constant temperature 50-55 is added
DEG C sonic oscillation 30min obtains modified boron nitride nanometer particle in 60-65 DEG C of vacuum drying 30min, then ball milling 35min.
Further, in step (3) nanometer palygorskite surface modification: anhydrous second is added into silane resin acceptor kh-550
Alcohol, the solution that compound concentration is 2%, is poured into 4 parts of nanometer palygorskites, ball milling 32h sufficiently reacts in ball grinder, is put into drying
After 5h is dried in case, then the 10h that dry grinds, separation with mortar grinder 40min, are put into 80-85 DEG C of drying box and are done
Dry processing 5h, obtains the nanometer palygorskite of surface modification.
Comparative example 1
This comparative example 1 compared with Example 1, does not in step (1) fill out polytetrafluoroethylgranule granule using filler
It fills, method and step in addition to this is all the same.
Comparative example 2
Compared with Example 2, additive stratiform ɑ-basic zirconium phosphate, side in addition to this is not used in this comparative example 2 in step (3)
Method step is all the same.
Application No. is a kind of 201610527156.4 energy saving die casting machine special lubes for control group
It is real to above-described embodiment 1, embodiment 2, comparative example 1, comparison in order to compare the performance of lubricating oil produced by the present invention
It applies the corresponding lubricating oil obtained of 2 method of example and the corresponding lubricating oil of control group and carries out performance detection according to professional standard,
Tested steel mill damage amount under the conditions of 300N-30Hz-360min, specific correlation data are as shown in table 1 below:
Table 1
There is excellent antiwear and friction reduction property according to the lubricating oil of the method for the present invention production, coefficient of friction is small, and volume wear is low；
Polytetrafluoroethylgranule granule is not filled using filler in comparative example 1, the coefficient of friction of lubricating oil is caused to become larger,
Volume wear increases；Additive stratiform ɑ-basic zirconium phosphate is not used in comparative example 2, the coefficient of friction of lubricating oil is caused to become
Greatly, volume wear increases.
Claims (5)
1. a kind of method for preparing antiwear and antifriction lubricating oil with additive filling plant oil base nano-fluid, which is characterized in that packet
Include following steps:
(1) filler filled polytetrafluoroethylene particle:
0.1-0.2 parts of nano silicas, 0.1-0.2 parts of copper micron particles and 20-40 parts of polytetrafluorethylepowder powders are mixed, are filled
Divide and stir evenly, 10-20 parts of sodium dodecyl sulfate solutions, 60-120 parts of distilled water are added, stir 5-10min, 15-30 is added dropwise
Part methylene chloride, is stirred for 5-10min, and filtering, washing 3-5 times in 120-125 DEG C of dry 2-3h, obtain nano silica-
The polytetrafluoroethylgranule granule of copper micron particles filling；
(2) ferroso-ferric oxide-molybdenum disulfide compound additive preparation:
1000-1200 parts of deionized water-ethanol solutions are added into 1-2 parts of molybdenum disulfide nano sheets, ultrasonic 2-3h is uniformly dispersed；
1.4-2.8 parts of Iron dichloride tetrahydrates and 3.7-7.4 parts of ferric chloride hexahydrates are added in 200-400 parts of distilled water, magnetic force
Stirring and dissolving is added in molybdenum disulfide solution, and after 80-85 DEG C of stirred in water bath 20-30min, 200-400 parts of ammonia are added
Water continues to stir 30-35min, be cooled to room temperature, centrifuge washing 4-6 times, vacuum drying 20-24h, obtains four at 50-55 DEG C
Fe 3 O-molybdenum disulfide compound additive；
(3) preparation of plant oil base nano-fluid lubricating oil:
45-50 parts of castor oil and 40-45 coconut oil are mixed, additive stratiform ɑ-basic zirconium phosphate are added thereto, after mixing evenly
It is ground 4-5 times on three-roller, obtains base oil；1-8 parts of modified boron nitride nanometer particles are added into base oil, in 55-60
Magnetic agitation pre-processes 20-30min, then constant-temperature ultrasonic vibrating dispersion 1-2h at DEG C, stands 24-25h, obtains plant oil base and receive
Meter Liu Ti；Resulting material in the nanometer palygorskite and (1), (2) of surface modification is added thereto again, ultrasonic disperse is uniform, is made
The lubricating oil.
2. according to claim 1 a kind of antiwear and antifriction lubricating oil is prepared with additive filling plant oil base nano-fluid
Method, which is characterized in that the concentration of sodium dodecyl sulfate solution is 1-2% in step (1).
3. according to claim 1 a kind of antiwear and antifriction lubricating oil is prepared with additive filling plant oil base nano-fluid
Method, which is characterized in that deionized water-ethanol solution volume fraction is 50% in step (2).
4. according to claim 1 a kind of antiwear and antifriction lubricating oil is prepared with additive filling plant oil base nano-fluid
Method, which is characterized in that boron nitride nanometer is granule modified in step (3):
0.1-0.2 parts of silane coupling As -151 are added into 20-40 parts of deionized waters, sonic oscillation 15-20min is fully hydrolyzed,
2-4 parts of boron nitride nanometer particles, magnetic agitation 10-15min, 50-55 DEG C of sonic oscillation 20-30min of constant temperature, in 60-65 is added
DEG C vacuum drying 20-30min, then ball milling 30-35min obtain modified boron nitride nanometer particle.
5. according to claim 1 a kind of antiwear and antifriction lubricating oil is prepared with additive filling plant oil base nano-fluid
Method, which is characterized in that the surface modification of nanometer palygorskite in step (3):
Dehydrated alcohol is added into silane resin acceptor kh-550, the solution that compound concentration is 2% pours into 2-4 parts of nanometer palygorskites
In, ball milling 28-32h sufficiently reacts in ball grinder, it is put into after 4-5h is dried in drying box, then the 8-10h that dry grinds, point
From with mortar grinder 30-40min, being put into 80-85 DEG C of drying box and 3-5h be dried, obtain the nanometer of surface modification
Palygorskite.
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| CN201811356618.6A CN109233978A (en) | 2018-11-15 | 2018-11-15 | A method of antiwear and antifriction lubricating oil is prepared with additive filling plant oil base nano-fluid |
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| CN201811356618.6A CN109233978A (en) | 2018-11-15 | 2018-11-15 | A method of antiwear and antifriction lubricating oil is prepared with additive filling plant oil base nano-fluid |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646636A (en) * | 2020-12-22 | 2021-04-13 | 刘超 | Lubricating oil additive and preparation method thereof |
| CN114836255A (en) * | 2021-03-05 | 2022-08-02 | 刘少飞 | Biodegradable composite lubricating oil |
| WO2022262875A1 (en) * | 2021-06-17 | 2022-12-22 | 上海玺米惠新材料有限公司 | Macromolecular environmentally-friendly rolling liquid, preparation method therefor, and use method therefor |
| CN115678240A (en) * | 2022-11-08 | 2023-02-03 | 湖北合聚高分子材料有限公司 | MMT/hBN composite modified PC wear-resistant material and preparation method thereof |
-
2018
- 2018-11-15 CN CN201811356618.6A patent/CN109233978A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646636A (en) * | 2020-12-22 | 2021-04-13 | 刘超 | Lubricating oil additive and preparation method thereof |
| CN114836255A (en) * | 2021-03-05 | 2022-08-02 | 刘少飞 | Biodegradable composite lubricating oil |
| CN114836255B (en) * | 2021-03-05 | 2023-12-05 | 长沙福森润滑科技有限公司 | Biodegradable composite lubricating oil |
| WO2022262875A1 (en) * | 2021-06-17 | 2022-12-22 | 上海玺米惠新材料有限公司 | Macromolecular environmentally-friendly rolling liquid, preparation method therefor, and use method therefor |
| CN115678240A (en) * | 2022-11-08 | 2023-02-03 | 湖北合聚高分子材料有限公司 | MMT/hBN composite modified PC wear-resistant material and preparation method thereof |
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Application publication date: 20190118 |