CN108300552A - A kind of biodegradable exposed gear grease and preparation method thereof - Google Patents
A kind of biodegradable exposed gear grease and preparation method thereof Download PDFInfo
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- CN108300552A CN108300552A CN201810218940.6A CN201810218940A CN108300552A CN 108300552 A CN108300552 A CN 108300552A CN 201810218940 A CN201810218940 A CN 201810218940A CN 108300552 A CN108300552 A CN 108300552A
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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
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
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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
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
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- 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
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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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/022—Ethene
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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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/024—Propene
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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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/026—Butene
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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
- 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
- C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
- C10M2207/123—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
- C10M2207/1236—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic used as thickening agent
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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
- 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
- C10M2207/1265—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 used as thickening agent
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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
- 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
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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
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/08—Halogenated waxes
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/221—Six-membered rings containing nitrogen and carbon only
- C10M2215/222—Triazines
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
- C10M2219/066—Thiocarbamic type 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
- C10N2030/02—Pour-point; Viscosity index
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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
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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
- C10N2030/64—Environmental friendly 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
Abstract
The invention discloses a kind of biodegradable exposed gear greases, which is characterized in that includes the following components'mass percentage：Thickening agent 2~6%, base oil 20~40%, biological Esters oil 30~45%, adhesive 1~30%, fire retardant 1 ~ 5%, solid antiwear additive 10~15%, liquid antirust agent 1~2%, antioxidant 1~2%.Product shear viscosity of the present invention is moderate, has excellent pumping, extreme pressure and antiwear behavior outstanding, adhesion property, water repelling property；And component is simple, concise in technology, stable structure, and temperature stability is good, also has the excellent lower high-temp combustion risk of lubricity, and have a degree of biodegradability, environmental pollution is small.
Description
Technical field
The present invention relates to a kind of lubricating grease, specifically a kind of biodegradable exposed gear grease and preparation method thereof.
Background technology
In modern industry, gear plays a very important role, and open gear is a kind of to obtain the very universal of kinetic energy
Transmission method, especially under more exacting terms, such as mine or the ball mill of metallurgy industry, the rotary kiln in cement plant,
Grinder, dryer, tube mill, crane etc. have very economical advantage using exposed gear.The operation work of exposed gear
Condition is more harsh, and such as low speed, heavy duty, the flank of tooth is more coarse, and locally overload and too strong frictional force on mesh tooth face, and
Because being directly exposed in surrounding enviroment, external agency dust, impurity, water mist etc. are liable to stick on mesh tooth face, right
Exposed gear is caused to corrode and be destroyed.Therefore, suitable lubricant has a great impact for the service life of exposed gear.
For the lubrication of exposed gear, it is desirable that lubricant has higher extreme pressure and anti wear properties, good adhesiveness, corrosion resistant
Erosion can form suitable oil film thickness, and large-scale exposed gear is especially required to be easy to pump, and can use machinery
Equipment stuffing.Lubricant currently used for exposed gear mainly has pitch type exposed gear oil, high viscosity gear oil, exposed gear
Lubricating grease etc..
Asphalitine gear oil belongs to tradition oil, but because to use solvent cut-back asphalt, high temperature performance is poor,
Needing to heat in advance in some cases could use, and be easy to block oil outlet, be easy to attach pollutant, change oil frequently, drip
The problems such as green more difficult cleaning, solvent be easy to cause air pollution and security risk.
Although high viscosity gear oil can improve low temperature flow sex chromosome mosaicism, because using the limitation of additive, wear-resistant pole
It presses performance insufficient, and is susceptible to the problem of viscosity reduces in use.
For open-type gear grease, wear-resistant and extreme pressure property can be improved by the addition of additive.High-consistency is opened
Formula gear grease is mainly used for small hand lubrication because itself does not have mobility.Semi-fluid build open-type gear grease
When with suitable shear viscosity, the requirement of pumping and adhesiveness can be met, it can be as the profit of large-scale exposed gear
Lubrication prescription.Have relevant research to semifluid open-type gear grease both at home and abroad, but, some products because shear viscosity compared with
Greatly, it needs to increase pressure when pumping；Though and some have preferable pump-conveying property, there are the higher problem of cost or groups
Divide complexity, and be easy to cause environmental pollution.It is good, at low cost and environmental-friendly that there is an urgent need for pump-conveying properties in practical applications
Product is to meet the needs of actual production.
Invention content
To solve the above problems, the present invention provides a kind of biodegradable exposed gear grease and preparation method thereof, gained
Grease has good adhesion and certain biodegradable performance convenient for pumping.
The technical solution adopted by the present invention is：A kind of biodegradable exposed gear grease, including following mass percent
Component：Thickening agent 2~6%, base oil 20~40%, biological Esters oil 30~45%, adhesive 1~30%, fire retardant 1 ~ 5%, Gu
Body antiwear additive 10~15%, liquid antirust agent 1~2%, antioxidant 1~2%.Wherein, base oil, biological Esters oil and adhesive
Proportioning needs to ensure that 40 DEG C of viscosity after blending are 1500 ~ 3500mm2/s。
The thickening agent is lithium soap, compound lithium soap or compound aluminium soap.
The lithium soap is lithium stearate or lithium 12-hydroxy stearate, and the molar ratio of lithium hydroxide and aliphatic acid is being abided by
Under the premise of following stoicheiometry, the corresponding proportion of lithium hydroxide is slightly increased 1.5 ~ 3%.
The compound lithium soap is that either lithium 12-hydroxy stearate and decanedioic acid lithium compound to obtain or 12 lithium stearate
Hydroxy lithium stearate compounds to obtain with lithium borate, and the molar ratio of lithium hydroxide and aliphatic acid is in the premise for following stoicheiometry
Under, the corresponding proportion of lithium hydroxide is slightly increased 1.5 ~ 3%.
The compound aluminium soap is made by aluminium isopropoxide tripolymer oil solution and aromatic acid, fatty acid response, wherein acid and aluminium
The molar ratio of base is 1.7 ~ 2.3：1, the molar ratio of aromatic acid and aliphatic acid is 0.6~0.9:1.
The base oil is paraffin base oil such as 150BS, bright stock such as 150BS (III) or naphthene base crude oil etc., the life
Object Esters oil is natural squeezing linseed oil, rapeseed oil, peanut oil, soybean oil, sunflower oil, olive oil, safflower oil, corn oil
Etc. at least one of extracted form natural plants oil.
The adhesive is polybutene, ethylene propylene diene rubber or ethylene propylene copolymer resin.Wherein, poly- for adhesive
Butylene is directly added into when preparation of greases produces；For adhesive ethylene propylene diene rubber, ethylene propylene copolymer resin etc.
High molecular polymer need to be dissolved by heating in advance at 160 DEG C using corresponding base oil, base is dispersed in by 10% mass percent
In plinth oil, then it is directly added into when preparation of greases produces.
The fire retardant is precipitated calcium carbonate, magnesium hydroxide, ammonium polyphosphate, nitrogenated flame retardant such as melamine cyanurate
Deng, chloralkane fire retardant such as chlorinated paraffin etc., bromobenzene compound fire retardant such as deca-BDE, decabromodiphenylethane etc., chlorine
Substituted phosphate fire retardant（Such as trichloroethyl phosphate, trichloropropyl phosphate）One or more of mixture.
The solid antiwear additive is by 10% or so aquadag powder and 1~5% molybdenum disulfide and/or two (dibutyl
Aminodithioformic acid) molybdenum oxide composition.
The liquid antirust agent is dimercaptothiodiazole derivative, sulfonate, carboxylic acids antirust agent, organic amine and imidazoline
At least one of class antirust agent etc., such as T701, T705, T746, T703.
The antioxidant is phenols or amine antioxidants, such as T501, T512, T534 etc..
The preparation method of above-mentioned biodegradable exposed gear grease, includes the following steps：（1）One is added in base oil
Kind or a variety of organic acids（As one or two kinds of in stearic acid, ten dihydroxystearic acids, decanedioic acid, benzoic acid；If making
It is compounded with boric acid, boric acid is added after lithium hydroxide is added）, dissolve by heating, under conditions of temperature is less than 100 DEG C, hydrogen be added
Lithia aqueous solution or the aluminium isopropoxide oil solution being dispersed in base oil remove low-boiling point material at 100 ~ 110 DEG C, heat up
It is refined to 210 ~ 215 DEG C of high temperature, cooling, temperature is ground three times when being less than 100 DEG C on triple-roller mill, or is ground by colloid mill
Three times or homogenizer circulation shear, obtain thickening agent；（2）Then at 50~60 DEG C, biological Esters oil and adherency are used
Agent is blended into specified consistency；（3）Addition antioxidant, fire retardant, solid antiwear additive, liquid antirust agent are thoroughly mixed uniformly,
Discharging grinds three times on triple-roller mill, either grinds three times or homogenizer circulation shear by colloid mill, use rheometer
Measure shear viscosity, characterization result.
The technical characteristic of the open-type gear grease of the present invention is as follows：
GB/T 269 is followed, the cone penetration that do not work is 385~445（25 DEG C, 0.1mm）；
Follow GB/T 3498, dropping point >=180 DEG C；
Follow SH/T 0324, Stencil oil-dividing amount≤10.0%（100 DEG C, 30h）；
Follow GB/T 7325, evaporation loss≤5.0%（100 DEG C, 22h）；
Follow SH/T 0203, four ball extreme pressure property maximum nonseizure load PB >=1186N, sintering load PD >=7845N；
Follow SH/T 0204, four ball milling spot diameter≤0.5（392N, 60min）.
The beneficial effects of the invention are as follows：1, shear viscosity is moderate, has excellent pumping, extreme pressure anti-wear outstanding
Can, adhesion property, water repelling property；And component is simple, concise in technology, stable structure, and temperature stability is good.2, with excellent
The lower high-temp combustion risk of lubricity, and there is a degree of biodegradability, environmental pollution is small.3, of the invention
Product can in a certain range be adjusted consistency of grease and shear viscosity, and can be in wider temperature range
It is interior to keep suitable viscosity, it is convenient for the in the case of of pumping to remain to keep good adhesiveness ensureing.4, product of the present invention can be with
It is post-processed using plurality of devices, including triple-roller mill, colloid mill and homogenizer, production efficiency can be improved, ensure yield.
Description of the drawings
Fig. 1 is the shear viscosity of embodiment 1-3 exposed gear greases with the change curve of shear rate；
Fig. 2 is the shear viscosity of 2,4,5 exposed gear grease of embodiment with the change curve of shear rate.
Specific implementation mode
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
Embodiment is only used for explaining the present invention, is not intended to limit the scope of the present invention..
Embodiment 1-3：Using oil based on 150BS, compound lithium soap is prepared, add soybean oil and is adjusted with adhesive
With（When selecting adhesive ethylene propylene diene rubber, it need to be dissolved by heating at 160 DEG C using corresponding base oil, be prepared as quality hundred
Divide than the ethylene propylene diene rubber for 10%（OCP）Colloidal sol）.Embodiment 1,2,3 select 150BS based on oil, using triple-roller mill into
Row subsequent processing, each component ratio are as shown in the table：
。
Compound lithium soap is prepared according to a conventional method by 150BS base oils, ten bis-hydroxy stearic acid, lithium hydroxide, decanedioic acid：
150BS base oils are added in reaction kettle, stirring is heated to 50 DEG C or so, and ten bis-hydroxy stearic acid and decanedioic acid is added, holds
Continuous heating, makes solid dissolve, and temperature is not higher than under conditions of 100 DEG C, and lithium hydroxide solution is added；100 ~ 110 DEG C of open heating,
210 ~ 215 DEG C are warming up to after removing moisture, refines 20min, is cooled to 100 DEG C hereinafter, progress homogeneous post-processing, obtains thickening agent
Compound lithium soap.
In upper table, the component raw material that compound lithium soap uses following percentage is prepared in embodiment 1：150BS base oils 20%,
Ten bis-hydroxy stearic acid 1.28%, decanedioic acid 0.38%, lithium hydroxide 0.34%.Embodiment 2：150BS base oils 32.49%, ten
Bis-hydroxy stearic acid 2.58%, decanedioic acid 0.75%, lithium hydroxide 0.68%.Embodiment 3：150BS base oils 40%, ten bis-hydroxies
Stearic acid 3.86%, decanedioic acid 1.13%, lithium hydroxide 1.01%.
The other performance determination data of product see the table below：
。
Fig. 1 be embodiment 1-3 exposed gear greases shear viscosity with shear rate change curve, it will be seen from figure 1 that
The product of difference thickening agent content, all has excellent wear-resistant and extreme pressure property.In addition to this consistency and shear viscosity of product
It is corresponding with the variation of thickening agent, the shear viscosity of product can be adjusted by the content of thickening agent, be convenient for the pump of pumping equipment
It send.
Embodiment 4-5：Based on implementation column 2, colloid mill and homogenizer is used to carry out subsequent processing respectively, to demonstrate not
Control with equipment to properties of product.
The capacity measurement data of product see the table below：
。
Fig. 2 is the shear viscosity of 2,4,5 exposed gear grease of embodiment with the change curve of shear rate；It can be with from Fig. 2
Find out, by triple-roller mill, colloid mill and homogenizer treated product, the size of shear viscosity is respectively that 2 ＞ of embodiment is implemented
4 ＞ embodiments 5 of example.Display can obtain lower shear viscosity for the product, using colloid mill or homogenizer, when pumping
The shear stress smaller needed, is more suitable for pumping.It can obtain that there are the different energies of flow in use by equipment for after-treatment
The product of power and pump-conveying property.
Product of the present invention have excellent pump-conveying property, with shear viscosity reflect pump-conveying property, shear viscosity can compared with
It is adjusted in wide range, the different compatibilities and equipment for after-treatment by being thickened agent content and base oil realize.Simultaneously
The scope of application of product is determined using suitable characterizing method for pump-conveying property, the exposed gear lubricating is characterized using rheology
The shear viscosity of fat with the variation of shear rate performance.Using 4049 water resistants of ASTM leaching spray test and characterize the product
Adhesiveness and water resistance.
Claims (10)
1. a kind of biodegradable exposed gear grease, which is characterized in that include the following components'mass percentage：Thickening agent 2
~6%, base oil 20~40%, biological Esters oil 30~45%, adhesive 1~30%, fire retardant 1 ~ 5%, solid antiwear additive 10~
15%, liquid antirust agent 1~2%, antioxidant 1~2%.
2. a kind of biodegradable exposed gear grease according to claim 1, which is characterized in that the thickening agent is lithium
Soap, compound lithium soap or compound aluminium soap.
3. a kind of biodegradable exposed gear grease according to claim 2, which is characterized in that the lithium soap is tristearin
Sour lithium or lithium 12-hydroxy stearate；The compound lithium soap is lithium stearate or lithium 12-hydroxy stearate and decanedioic acid lithium
Compounding obtains or lithium 12-hydroxy stearate compounds to obtain with lithium borate；The compound aluminium soap is by aluminium isopropoxide tripolymer oil
Solution and aromatic acid, fatty acid response are made.
4. a kind of biodegradable exposed gear grease according to claim 1, which is characterized in that the base oil is stone
Cerul base oil or naphthene base crude oil, the biology Esters oil are natural squeezing linseed oil, rapeseed oil, peanut oil, soybean oil, certain herbaceous plants with big flowers
At least one of flower seed oil, olive oil, safflower oil, corn oil.
5. a kind of biodegradable exposed gear grease according to claim 1, which is characterized in that the adhesive is poly-
Butylene, ethylene propylene diene rubber or ethylene propylene copolymer resin.
6. a kind of biodegradable exposed gear grease according to claim 1, which is characterized in that the fire retardant is light
Matter calcium carbonate, magnesium hydroxide, ammonium polyphosphate, nitrogenated flame retardant, chloralkane fire retardant, bromobenzene compound fire retardant, chloro phosphorus
One or more of ester flame-proof agent mixture.
7. a kind of biodegradable exposed gear grease according to claim 1, which is characterized in that the solid antiwear additive
For aquadag powder, molybdenum disulfide, one or more mixtures in two (dibutyl dithiocaarbamate) molybdenum oxides.
8. a kind of biodegradable exposed gear grease according to claim 1, which is characterized in that the liquid antirust agent
For dimercaptothiodiazole derivative, sulfonate, carboxylic acids antirust agent, at least one of organic amine and imidazolines antirust agent.
9. a kind of biodegradable exposed gear grease according to claim 1, which is characterized in that the antioxidant is phenol
Class or amine antioxidants.
10. a kind of method preparing biodegradable exposed gear grease described in claim 1, which is characterized in that including with
Lower step：（1）One or more kinds of organic acids are added in base oil, dissolve by heating, under conditions of temperature is less than 100 DEG C,
Lithium hydroxide aqueous solution or the aluminium isopropoxide oil solution that is dispersed in base oil is added, low boilers are removed at 100 ~ 110 DEG C
Matter is warming up to 210 ~ 215 DEG C of high temperature refinings, and cooling, temperature is ground three times when being less than 100 DEG C on triple-roller mill, or passes through glue
Body mill grinding three times or homogenizer circulation shear, obtain thickening agent；（2）Then at 50~60 DEG C, biological Esters oil is used
And adhesive, it is blended into specified consistency；（3）Antioxidant is added, fire retardant, solid antiwear additive, liquid antirust agent is sufficiently stirred mixed
Uniform, discharging is closed, is ground on triple-roller mill three times, either grinds three times or homogenizer circulation shear by colloid mill, used
Rheometer measurement shear viscosity, characterization result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218940.6A CN108300552A (en) | 2018-03-16 | 2018-03-16 | A kind of biodegradable exposed gear grease and preparation method thereof |
Applications Claiming Priority (1)
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| CN201810218940.6A CN108300552A (en) | 2018-03-16 | 2018-03-16 | A kind of biodegradable exposed gear grease and preparation method thereof |
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| CN110408462A (en) * | 2019-07-22 | 2019-11-05 | 纳拓润滑技术（上海）有限公司 | A kind of lubricating grease and preparation method thereof for tie rod ball |
| CN112029556A (en) * | 2020-07-23 | 2020-12-04 | 中国石油化工股份有限公司 | Lubricating grease composition for yaw variable-pitch open gear of wind turbine generator and preparation method of lubricating grease composition |
| CN115678640A (en) * | 2022-10-31 | 2023-02-03 | 无锡飞天润滑油科技股份有限公司 | Special lubricating grease for striking block and preparation method thereof |
| CN115772435A (en) * | 2022-11-22 | 2023-03-10 | 中国石油化工股份有限公司 | Composite calcium type automobile hub bearing lubricating grease composition and preparation method thereof |
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| CN115678640A (en) * | 2022-10-31 | 2023-02-03 | 无锡飞天润滑油科技股份有限公司 | Special lubricating grease for striking block and preparation method thereof |
| CN115772435A (en) * | 2022-11-22 | 2023-03-10 | 中国石油化工股份有限公司 | Composite calcium type automobile hub bearing lubricating grease composition and preparation method thereof |
| CN115772435B (en) * | 2022-11-22 | 2024-02-27 | 中国石油化工股份有限公司 | Composite calcium type automobile hub bearing lubricating grease composition and preparation method thereof |
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