CN108587732A - A kind of solid additive and its application - Google Patents
A kind of solid additive and its application Download PDFInfo
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- CN108587732A CN108587732A CN201810572569.3A CN201810572569A CN108587732A CN 108587732 A CN108587732 A CN 108587732A CN 201810572569 A CN201810572569 A CN 201810572569A CN 108587732 A CN108587732 A CN 108587732A
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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
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
- C10M159/12—Reaction products
- C10M159/18—Complexes with metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/008—Supramolecular polymers
-
- 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
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/106—Naphthenic fractions
- C10M2203/1065—Naphthenic fractions used as base material
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/401—Fatty vegetable or animal oils used as base material
-
- 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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/09—Complexes with metals
-
- 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
- C10N2050/10—Semi-solids; greasy
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a kind of solid additive and its applications.The solid additive is 6 materials of MAF of RHO topological structures；The preparation method of 6 materials of MAF of the RHO topological structures is solvent-thermal process method, and specific method is：It is according to reaction mass molar ratio：Zinc hydroxide：2 ethyl imidazol(e)s：Hexamethylene=2.0:3.0:20.0 feed intake preparation；First at room temperature, zinc hydroxide is stirred with ammonium hydroxide to 2 ethyl imidazol(e)s, hexamethylene and solvent methanol after mixing, is sequentially added, and after mixing, is stirred at room temperature 30 minutes；After reaction, it is centrifuged 5 minutes at 5000rpm with centrifuge, products therefrom is washed 3 times with absolute ethyl alcohol, is air-dried at room temperature.The present invention provides application of the solid additive in lubricating oil, lubricating grease.MAF 6 can play anti-wear effect that is good and stablizing as lubricating oil, fat additives.
Description
Technical field
The present invention relates to a kind of solid additive and its applications, belong to functional material and its preparing technical field.
Background technology
Zeolite imidazole ester skeleton ZIFs materials are formed with metallic ion coordination porous using imidazole radicals organic matter as ligand
Coordination polymer.ZIFs materials not only compare table with the high stability of zeolitic material but also with metal-organic framework materials are big
The features such as area, skeletal density are low and modified surface is strong, application receive significant attention.
With the development of modernization industry, has lubricating oil, fat prod cannot be satisfied novel mechanical equipment and harsh work
The requirement of condition.Solid lubrication additive can effectively improve the bearing capacity of lubricant grease, wear-resistant and antifriction performance, make up lubrication
The defect that grease uses under severe conditions.The application of novel lubricating material and technology may be implemented the secondary protection that rubs, save energy
The purpose of source, is increasingly taken seriously.ZIF-8 the and ZIF-71 materials with hydrophobic characteristics are as lubricating oil, fat in recent years
Additive shows good greasy property, such as ZL201510399184.8 and ZL201510348053.7.
Invention content
The present invention is intended to provide a kind of solid additive, the additive is the MAF-6 materials of RHO topological structures.This hair
The bright application for providing the additive in lubricating oil, fat.
MAF-6 materials provided by the invention are using zinc ion as source metal, and 2- ethyl imidazol(e)s are ligand preparation with RHO
The porous hydrophobic material of topological structure has high hydrophobicity.Compared with ZIF-8 and ZIF-71 materials, there is lower skeleton
Density and higher porosity, make material have more plasticity and low shearing force.Therefore MAF-6 materials are as lubricating oil, fat solid
Additive shows excellent greasy property, especially at high loads, has stable abrasion resistance.
The present invention provides a kind of solid additive, the additive is the MAF-6 materials of RHO topological structures.
The granularity of the MAF-6 additive materials is 400-600nm nanometers.
The preparation method of the MAF-6 materials of RHO topological structures of the present invention is solvent-thermal process method, specific method
It is：It is according to reaction mass molar ratio：Zinc hydroxide：2- ethyl imidazol(e)s：Hexamethylene=2.0:3.0:20.0 feed intake preparation；First
At room temperature, zinc hydroxide and ammonium hydroxide are stirred to after mixing, sequentially adding 2- ethyl imidazol(e)s, hexamethylene and solvent methanol,
After mixing, it is stirred at room temperature 30 minutes；After reaction, it is centrifuged 5 minutes at 5000 rpm with centrifuge, products therefrom is used
Absolute ethyl alcohol washs 3 times, air-dries at room temperature, uses X-ray powder diffraction（XRD）Carry out the Crystal Structure of sample.
The present invention provides application of the above-mentioned solid additive in lubricating oil.
As lube oil additive in use, the mass fraction group of lubricating oil becomes：Base oil is 98.5 ~ 99.9 parts,
Additive is 0.1 ~ 1.5 part；The additive is the MAF-6 materials of RHO topological structures.
The preparation method of above-mentioned lubricating oil is：Prepared MAF-6 materials are directly added into lubricating base oils as profit
Sliding additive, additive amount is 0.10 ~ 1.5 wt % of lubricating oil total amount, is first stirred evenly, then be positioned over ultrasonic oscillator
Middle concussion 30 minutes so that MAF-6 materials are uniformly dispersed in lubricating base oils, obtain the lubrication containing 0.10 ~ 1.5 wt %
Oil samples carry out anti-wear and wear-resistant performance using German Optimol SRV-V friction wear testing machines to obtained lubricating oil sample
Characterization.
In the preparation method of above-mentioned lubricating oil, the lubricating base oils are mineral oil, polyalphaolefin, polyethers oil, plant
One or more of oil.
The present invention provides application of the above-mentioned solid additive in lubricating grease.
As grease additive in use, the mass fraction group of lubricating grease becomes：Basic lubricating grease is 93 ~ 99 parts, is added
It is 1 ~ 7 part to add agent；The additive is the MAF-6 materials of RHO topological structures.
The basic lubricating grease is basic lithium base grease.
The present invention provides above-mentioned preparation of greases methods, include the following steps：
MAF-6 is added in basic lubricating grease, the ratio of the two is 93 ~ 99:1 ~ 7, load weighted MAF-6 is added directly into base
In plinth lubricating grease, grinding 3 times is rolled with three-roll grinder so that MAF-6 is mixed thoroughly in basic lubricating grease, is moistened
Consistent lubricant sample, sample is using Germany's Optimol SRV-V friction wear testing machines, to obtained being lubricated property of lubricating grease sample
It can characterization.
In above-mentioned preparation method, the preparation method of the basis lithium base grease is：The 1/3 of lubricating base oils total amount is fallen
Enter in fat kettle processed, start blender, be heated to 70~80 DEG C, puts into aliphatic acid, wait for that aliphatic acid is completely dissolved, add pre-
It is first dissolved in the lithium hydroxide solution of water, temperature is controlled at 120~130 DEG C, reacts 1-5 h；1/3 basis profit is added after saponification
Lubricating oil, temperature is controlled at 200~220 DEG C, after continuing 10 min, stops heating；When temperature drops to 160~190 DEG C, it is added 1/3
Lubricating base oils when system is cooled to 100 DEG C, stop stirring, uniformly rear up to basic lithium base grease with three-roller grinding.Into
One step, the lubricating base oils are one kind in polyalphaolefin or naphthenic mineral oil；The aliphatic acid be octadecanoid acid and
The molar ratio of the mixture of 12- hydroxyls-stearic acid, wherein octadecanoid acid and 12- hydroxyls-stearic acid is 1: 4.
Beneficial effects of the present invention：
（1）MAF-6 materials prepared by the present invention can be used as lubricating oil, fat additives, be applied directly to lubricating area, have excellent
Good carrying and antiwear and antifriction ability.
（2）MAF-6 can play anti-wear effect that is good and stablizing as lubricating oil, fat additives.
Specific implementation mode
It is further illustrated the present invention below by embodiment, but is not limited to following embodiment.
Embodiment 1：
The preparation method of MAF-6 materials：It feeds intake according to molar ratio zinc hydroxide（Zn(OH)2, fine chemistry industry research is recovered in Tianjin
Institute）：2- ethyl imidazol(e)s（Sigma-Aldrich（Shanghai）Trade Co., Ltd）：Hexamethylene（Aladdin reagent（Shanghai）It is limited
Company）=2.0:3.0:20.0 prepare.2.0 mmol first（0.2g）Zn(OH)2With 30 ml ammonium hydroxide（NH3·H2O, western Gansu Province science
Limited liability company）It is stirred at room temperature to being uniformly mixed, sequentially adds 3 mmol 2- ethyl imidazol(e)s（0.288g）With 20 ml
30ml methanol solvates are added in hexamethylene（Aladdin reagent（Shanghai）Co., Ltd）, reaction mass after mixing, stir by room temperature
It mixes 30 minutes.After reaction, it is centrifuged 5 minutes at 5000 rpm with centrifuge, product absolute ethyl alcohol（Aladdin reagent
（Shanghai）Co., Ltd）Washing 3 times, air-dries at room temperature, obtains the product that grain size is 400-600nm.
Prepared MAF-6 materials are directly added into lubricating base oils cottonseed oil as lubricating additive, additive amount is
The 0.15wt% of total amount, first stirs evenly, then is positioned in ultrasonic oscillator and shakes 30 minutes so that MAF-6 materials are on basis
It is uniformly dispersed in lubricating oil, obtains the lubricating oil samples of MAF-6 containing 0.15wt%.Using German Optimol SRV-V fretting wears
Testing machine is lubricated performance characterization to obtained lubricating oil sample.100 N of load, 50 HZ of frequency, 1 mm of step-length, temperature are
80 DEG C, 30 min of time.Data measured is shown in Table 1.
Embodiment 2：
The preparation method is the same as that of Example 1 for lubricating oil, difference lies in：The lubricating oil sample MAF-6 containing 1.0wt% of the present embodiment.It adopts
With German Optimol SRV-V friction wear testing machines, performance characterization is lubricated to obtained lubricating oil sample.Load 100
N, 50 HZ of frequency, 1 mm of step-length, temperature are 80 DEG C, 30 min of time.Data measured is shown in Table 1.
Embodiment 3：
The preparation method is the same as that of Example 1 for lubricating oil, difference lies in：The lubricating base oils that the present embodiment uses is naphthenic minerals
Oil, lubricating oil sample MAF-6 containing 1.0wt%.Using German Optimol SRV-V friction wear testing machines, to obtained lubrication
Oil samples are lubricated performance characterization.100 N of load, 50 HZ of frequency, 1 mm of step-length, temperature are 80 DEG C, 30 min of time.It surveys
It obtains data and is shown in Table 1.
Embodiment 4：
The preparation method of basic lithium base grease：150.0 g polyalphaolefin lubricating base oils are weighed, first by 50.0 g base greases
Oil pours into fat kettle processed, starts blender, is heated to 75 ± 5 DEG C, puts into 2.94 g octadecanoid acids and 11.77 g 12
The mixture of hydroxyl-stearic acid（The molar ratio of octadecanoid acid and 12-hydroxyls-stearic acid is 1: 4）（Octadecanoid acid
（C18H36O2）With 12-hydroxyls-stearic acid（C18H36O3）, the uncommon love of ladder（Shanghai）Chemical conversion industry Development Co., Ltd）, wait for fat
Fat acid is completely dissolved, and adds the lithium hydroxide solution for being previously dissolved in water（LiOH·H2O, Aladdin reagent（Shanghai）Limited public affairs
Department, 2.4 g LiOHH2O is dissolved in 3.0 g distilled water）, temperature control is between 120 ± 10 DEG C, 2.0 h of reaction；Soap
50.0 g lubricating base oils are added after change, temperature controls between 210 ± 10 DEG C, after continuing 10 min, stops heating；
When temperature drops to 180 ± 10 DEG C, 50.0 g lubricating base oils are added, when system is cooled to 100 DEG C, stops stirring, utilizes three
Roller mill rolls grinding 3 times, obtains basic lithium base grease.
It is directly added into 3.0 g MAF-6 in 97.0 g basic lubricating greases as grease additive, is ground using three rollers
Machine rolls grinding 3 times so that additive is uniformly mixed in basic fat, obtains the grease product containing 3.0wt%MAF-6.
Using German Optimol SRV-V friction wear testing machines, antifriction antiwear is carried out to obtained grease product
It can characterization.200 N of load, 50 HZ of frequency, 1 mm of step-length, temperature are 80 DEG C, 60 min of time.Data measured is shown in Table 2.
Embodiment 5：
The preparation method of basic lithium base grease is the same as embodiment 4；
It is directly added into 5.0 g MAF-6 in 95.0 bases g lithium base greases as grease additive, is ground using three rollers
Machine rolls grinding 3 times so that additive is uniformly mixed in basic fat, obtains the grease product containing 5.0wt%MAF-6.
Using German Optimol SRV-V friction wear testing machines, antifriction antiwear is carried out to obtained grease product
It can characterization.200 N of load, 50 HZ of frequency, 1 mm of step-length, temperature are 80 DEG C, 60 min of time.Data measured is shown in Table 2.
Comparative example 1
The preparation method of ZIF-71 materials：0.22g zinc acetate dihydrates first（Zn(OAc)2·2H2O, Sigma-Aldrich（On
Sea）Trade Co., Ltd）, 10 mL methanol are added（CH3OH, Aladdin reagent（Shanghai）Co., Ltd）It is uniformly mixed； 0.55g
4,5- dichloro-imidazoles（DcIm, Fluorochem Ltd）After being mixed with 38 μ L formic acid, 10 mL methanol are added, are uniformly mixed；It will
Both solution mix, and stir 60 minutes at room temperature, reaction product centrifuge centrifuges 2 minutes at 2000 rpm, and nothing is used in combination
Water-ethanol washs 3 times, air-dries at room temperature, obtains the ZIF-71 materials with RHO topological structures that granularity is 300-500 nanometers
Material.
The preparation method of ZIF-8 materials：0.30g zinc nitrate hexahydrates first（Zn(NO3)2·6H2O, Sigma-Aldrich
（Shanghai）Trade Co., Ltd）, 20 mL methanol are added（CH3OH, Aladdin reagent（Shanghai）Co., Ltd）It is uniformly mixed；
0.66g 2-methylimidazoles（2-MIM, Fluorochem Ltd）With 20 mL methanol, it is uniformly mixed；Both solution are mixed,
It stirring 24 hours at room temperature, reaction product centrifuge centrifuges 2 minutes at 2000 rpm, and absolute ethyl alcohol is used in combination to wash 3 times,
It air-dries at room temperature, obtains the ZIF-8 materials with SOD topological structures that granularity is 300-400 nanometers.
The MAF-6 materials prepared by embodiment 1 are separately added into lubricating base oils cottonseed oil, prepared by comparative example 1
ZIF-71 and ZIF-8 materials, additive amount 0.5wt%, first stir evenly, then are positioned in ultrasonic oscillator and shake 30 minutes,
0.5wt% MAF-6,0.5wt%ZIF-71 and 0.5wt%ZIF-8 lubricating oil samples are respectively obtained, using German Optimol SRV-
V friction wear testing machines are lubricated performance characterization to obtained lubricating oil sample.100 N of load, 50 HZ of frequency, step-length 1
Mm, temperature are 80 DEG C, 30 min of time.Data measured is shown in Table 1.
Comparative example 2
The preparation method of basic lubricating grease is the same as embodiment 4；
The preparation method is the same as that of Example 1 for MAF-6 materials；
The preparation method of ZIF-71 and ZIF-8 materials is the same as comparative example 1；
5.0 g MAF-6,5.0 g ZIF-71 and 5.0 g ZIF-8 are separately added into 95.0 g basic lubricating greases as lubrication
Fat additives roll grinding 3 times so that additive is uniformly mixed in basic fat, is contained using three-roll grinder
The lubricating grease sample of 5.0wt%MAF-6,5.0wt%ZIF-71 and 5.0wt%ZIF-8.
Using German Optimol SRV-V friction wear testing machines, antifriction antiwear is carried out to obtained grease product
It can characterization.600 N of load, 50 HZ of frequency, 1 mm of step-length, temperature are 80 DEG C, 60 min of time.Data measured is shown in Table 2.
1 lubricating oil sample SRV-V friction wear testing machine greasy properties of table
Table 1 is to use Germany's Optimol SRV-V friction wear testing machines, and antifriction is carried out to the lubricating oil sample of preferred embodiment
Abrasion resistance characterizes.The volume wear of lower test specimen steel disk is smaller, shows that wear resistance is better；Average friction coefficient（µ）Value
It is smaller, show that antifriction performance is better.Provide the foundation oil and the experiment number containing the lubricating oil sample after additive in table 1
According to.It can see from embodiment 1-3, after adding MAF-6 in base oil, downward trend, base is presented in the volume wear of steel disk
Plinth oil wear resistance be improved significantly.Comparative example 1 is under conditions of performance load 100N, to three kinds of hydrophobic ZIFs materials
The evaluation of greasy property in lubricating oil.The result shows that three kinds of hydrophobic ZIFs materials all show good abrasion resistance.
2 lubricating grease sample SRV-V friction wear testing machine greasy properties of table
Table 2 is to use Germany's Optimol SRV-V friction wear testing machines, and antifriction is carried out to the grease product of preferred embodiment
Abrasion resistance characterizes.The volume wear of lower test specimen steel disk is smaller, shows that wear resistance is better；Average friction coefficient（µ）Value
It is smaller, show that antifriction performance is better.Providing the foundation in table 2 fat and has the data of the lubricating grease after additive.From embodiment
4, embodiment 5 it can be seen that, under conditions of performance load 200N, after MAF-6 is added in basic fat, the volume wear of steel disk and
Friction coefficient is decreased obviously, and as the increase of MAF-6 additive amounts, volume wear and friction coefficient persistently reduce, is shown
Good anti-wear and wear-resistant performance.Comparative example 2 is three kinds of 5.0wt%MAF-6,5.0wt%ZIF- under conditions of performance load 600N
Contrast test of the lubricating grease sample of 71 and 5.0wt%ZIF-8 under same test conditions, test result show 5.0wt%MAF-
6 fat samples have minimum volume wear；The ZIF-71 with MAF-6 materials with identical RHO topological structures, is in three kinds of materials
Skeletal density is highest, and volume wear is also highest in three kinds of materials at high loads；ZIF-8 is SOD topological structures, bone
Frame density ratio ZIF-71 is low, but than MAF-6 high, and volume wear is placed in the middle.As it can be seen that at high loads, although being all hydrophobic material,
But skeletal density has a significant impact the greasy property of material, the antiwear property MAF-6 of three kinds of materials> ZIF-8>
ZIF-71。
Claims (10)
1. a kind of solid additive, it is characterised in that：The solid additive is the MAF-6 materials of RHO topological structures；
The preparation method of the MAF-6 materials of the RHO topological structures is solvent-thermal process method, and specific method is：According to reaction
Molar ratio of material is：Zinc hydroxide：2- ethyl imidazol(e)s：Hexamethylene=2.0:3.0:20.0 feed intake preparation；First at room temperature, hydrogen
Zinc oxide is stirred with ammonium hydroxide to 2- ethyl imidazol(e)s, hexamethylene and solvent methanol after mixing, is sequentially added, after mixing,
It is stirred at room temperature 30 minutes；After reaction, it is centrifuged 5 minutes at 5000 rpm with centrifuge, products therefrom is washed with absolute ethyl alcohol
It washs 3 times, air-dries at room temperature.
2. solid additive according to claim 1, it is characterised in that：The granularity of the MAF-6 materials is 400nm-
600nm。
3. a kind of application of solid additive as claimed in claim 1 or 2 in lubricating oil.
4. application according to claim 3, it is characterised in that：The mass fraction group of lubricating oil becomes：Lubricating base oils are
98.5 ~ 99.9 parts, solid additive is 0.1 ~ 1.5 part.
5. application according to claim 4, it is characterised in that：The preparation method of lubricating oil is：It is straight in lubricating base oils
It connects and prepared MAF-6 materials is added as lubricating additive, additive amount is 0.10 ~ 1.5 wt % of lubricating oil total amount, first
It stirs evenly, then is positioned in ultrasonic oscillator and shakes 30 minutes so that MAF-6 materials disperse in lubricating base oils
It is even, obtain the lubricating oil sample containing 0.10 ~ 1.5 wt %.
6. application according to claim 5, it is characterised in that：The lubricating base oils are mineral oil, polyalphaolefin, gather
One or more of ethers oil, vegetable oil.
7. a kind of application of solid additive as claimed in claim 1 or 2 in lubricating grease.
8. application according to claim 7, it is characterised in that：The mass fraction group of lubricating grease becomes：Basic lubricating grease is
93 ~ 99 parts, solid additive is 1 ~ 7 part.
9. application according to claim 8, it is characterised in that：Preparation of greases method, includes the following steps：On basis
MAF-6 is added in lubricating grease, the ratio of the two is 93 ~ 99:1 ~ 7, load weighted MAF-6 is added directly into basic lubricating grease
In, roll grinding 3 times with three-roll grinder so that MAF-6 is mixed thoroughly in basic lubricating grease, obtains lubricating grease sample
Product；
The basic lubricating grease is basic lithium base grease.
10. application according to claim 9, it is characterised in that：It is described basis lithium base grease preparation method be：By base
The 1/3 of plinth lubricating oil total amount is poured into fat kettle processed, and blender is started, and is heated to 70~80 DEG C, is put into aliphatic acid, is waited for fat
Acid is completely dissolved, and adds the lithium hydroxide solution for being previously dissolved in water, and temperature is controlled at 120~130 DEG C, reacts 1-5 h；Saponification
After be added 1/3 lubricating base oils, temperature is controlled at 200~220 DEG C, after continuing 10 min, stops heating；Temperature drops to
At 160~190 DEG C, 1/3 lubricating base oils are added, when system is cooled to 100 DEG C, stop stirring, after three-roller grinding uniformly
Up to basic lithium base grease；
The lubricating base oils are one kind in polyalphaolefin or naphthenic mineral oil；
The aliphatic acid is the mixture of octadecanoid acid and 12- hydroxyls-stearic acid, wherein octadecanoid acid and 12- hydroxyls-stearic acid
Molar ratio be 1: 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572569.3A CN108587732A (en) | 2018-06-06 | 2018-06-06 | A kind of solid additive and its application |
Applications Claiming Priority (1)
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| CN201810572569.3A CN108587732A (en) | 2018-06-06 | 2018-06-06 | A kind of solid additive and its application |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104557718A (en) * | 2014-10-30 | 2015-04-29 | 中山大学 | Preparation method and application of RHO zeolite type 2-ethylimidazole zinc porous material |
| CN104962354A (en) * | 2015-06-23 | 2015-10-07 | 太原理工大学 | Lubricating grease and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104557718A (en) * | 2014-10-30 | 2015-04-29 | 中山大学 | Preparation method and application of RHO zeolite type 2-ethylimidazole zinc porous material |
| CN104962354A (en) * | 2015-06-23 | 2015-10-07 | 太原理工大学 | Lubricating grease and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王义华: "ZIF-8和ZIF-71材料合成及固体润滑性能研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 * |
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