CN106497653A - A kind of lubricating grease and preparation method thereof - Google Patents
A kind of lubricating grease and preparation method thereof Download PDFInfo
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- CN106497653A CN106497653A CN201610903565.XA CN201610903565A CN106497653A CN 106497653 A CN106497653 A CN 106497653A CN 201610903565 A CN201610903565 A CN 201610903565A CN 106497653 A CN106497653 A CN 106497653A
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- lubricating grease
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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
-
- 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
-
- 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
-
- 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
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
-
- 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
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
-
- 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
- C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
- C10M2211/022—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aliphatic
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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
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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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
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
- C10M2215/065—Phenyl-Naphthyl amines
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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
- C10M2215/08—Amides
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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
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
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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
- C10M2290/00—Mixtures of base materials or thickeners or additives
- C10M2290/02—Mineral base oils; Mixtures of fractions
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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
- C10N2030/08—Resistance to extreme temperature
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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
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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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
This application provides a kind of lubricating grease, in terms of mass fraction, including：30%～35% mineral oil, 30%～35% polyalphaolefin, 15%～20% tackifier, 10%～25% bisgallic acid aluminium soap, 2%～3% lubricant, 1%～2% antioxidant, 3%～5% extreme pressure anti-wear additives, 1%～2% anticorrosive, the bisgallic acid aluminium soap are obtained by aluminium isopropoxide tripolymer modifier, benzoic acid and stearic acid reaction.The lubricating grease that the present invention is provided can be used under 30～200 DEG C of wider temperature range, and excellent extreme-pressure wear-resistant performance, Corrosion Protection and water-resistance can have been given play to simultaneously, extremely warm (including high temperature and low temperature), extreme-pressure wear-resistant, anticorrosion and water repelling property demand is taken into account, the harsh operating mode of operating environment can be preferably applied to.
Description
Technical field
The present invention relates to lubriation material technical field, more particularly to a kind of lubricating grease and preparation method thereof.
Background technology
Lubricating grease is semi-solid for the grease-like of stiff, is mainly used in the friction part of component of machine, plays lubrication and seals
Effect, reduces the abrasion and corrosion of mechanical part；Metal surface is can also be used for, protective layer is formed in metal surface, reduce metal
The corrosion in face.Compared with lubricating oil, lubricating grease has higher bearing capacity and damping shock absorption ability, its sealing function and protection
More preferably, therefore, lubricating grease has become very important lubriation material in modern mechanical, develops the lubricating grease of excellent performance just for effect
Tool is of great significance.
At present, though most of lubricating grease can play certain lubrication, combination property is general, there are various performances
The defect for balancing and reconciling is difficult to, such as typically can add extreme-pressure wear-resistant agent or lubricant in base oil, higher to obtain
Extreme-pressure wear-resistant, but easily retrogradation causes insufficient lubrication at low temperature, it is impossible to meet the use demand under low temperature condition；And in order to
Lubricating grease low temperature properties and extreme pressure anti-wear is taken into account, common solution is using low viscous base oil and to be equipped with higher concentration
Extreme pressure anti-wear additives or lubricant, but the Corrosion Protection that this method easily causes lubricating grease again is poor；Also some lubricating grease can not
Meet high temperature, requirement of low temperature simultaneously, its resistance to elevated temperatures is good, but usability is poor at low temperature, or low temperature performance well, but
Under high temperature, usability is poor.Therefore, existing lubricating grease is often difficult to take into account high temperature, low temperature, extreme-pressure wear-resistant, anti-corrosion and water-resistance
Energy.
However, under some special operation operating modes, such as operation on the sea etc., it usually needs while face extremely temperature (extremely tremble with fear or
Very hot), water drench, the harsh operating environment of high corrosion and high load capacity, its to lubricating grease it is also proposed that requirements at the higher level, and common lubricant fat
Under above-mentioned harsh operating environment tend not to use.
Content of the invention
In view of this, it is an object of the invention to provide a kind of lubricating grease and preparation method thereof, the lubricating grease of the present invention can
Use under -30～200 DEG C of wide temperature range, and simultaneously have superpower extreme-pressure wear-resistant performance, Corrosion Protection and excellent concurrently
Water-resistance, can preferably be applied to the harsh operating mode of operating environment.
The invention provides a kind of lubricating grease, in terms of mass fraction, including following components：
The bisgallic acid aluminium soap is obtained by aluminium isopropoxide tripolymer modifier, benzoic acid and stearic acid reaction.
Preferably, the aluminium isopropoxide tripolymer modifier, benzoic acid and stearic mol ratio are (1～1.1)：
(0.35～0.55)：(0.6～0.85).
Preferably, the aluminium isopropoxide tripolymer modifier is by aluminium isopropoxide tripolymer, benzoic acid and stearic acid reaction system
?；
The aluminium isopropoxide tripolymer, benzoic acid and stearic mol ratio are (1～1.2)：(0.6～0.8)：(0.3～
0.4).
Preferably, 40 DEG C of kinematic viscosity of the mineral oil are 200～300mm2/s.
Preferably, the tackifier are one or more in polyisobutene, polymethyl methacrylate and dry glue.
Preferably, the lubricant is ultra-fine polytetrafluoroethylene powder.
Preferably, the antioxidant is N- PAs, BHT and 4,4- methylene dianiline (MDA)
In one or more.
Preferably, the extreme pressure anti-wear additives are one or more in D2EHDTPA amine salt and thiazole.
Preferably, the anticorrosive is lanolin magnesium soap, barium mahogany sulfonate, KORANTIN SH-octadecylamine salt and ten
One or more in dialkylene succinic acid.
Present invention also offers above-mentioned preparation of greases method, comprises the following steps：
A) mineral oil, poly alpha olefin and tackifier are mixed, heating obtains the first mixture；
B) first mixture is mixed with bisgallic acid aluminium soap, is heated, is obtained the second mixture；
C) second mixture is mixed with lubricant, antioxidant and anticorrosive, the 3rd mixture is obtained；
D) the 3rd mixture is mixed with extreme pressure anti-wear additives, is cooled down, is obtained lubricating grease.
Compared with prior art, lubricating grease of the invention includes：30%～35% mineral oil, 30%～35% poly- α-
Alkene, 15%～20% tackifier, 10%～25% bisgallic acid aluminium soap, 2%～3% lubricant, 1%～2% antioxygen
Agent, 3%～5% extreme pressure anti-wear additives, 1%～2% anticorrosive, the bisgallic acid aluminium soap are modifies by aluminium isopropoxide trimerization
Thing, benzoic acid and stearic acid reaction are obtained.According to component and the consumption compatibility of the present invention, enable gained lubricating grease -30～
Use under 200 DEG C of wider temperature range, and excellent extreme-pressure wear-resistant performance, Corrosion Protection and water resistant can have been given play to simultaneously
Property, extremely warm (including high temperature and low temperature), extreme-pressure wear-resistant, anticorrosion and water repelling property demand is taken into account, pole can be preferably applied to
Situations such as temperature, high corrosion, high humidity and high load capacity the harsh operating environment that deposits, contribute to advancing the modern times under special operation condition to build
If, with larger economic benefit and social benefit.
Specific embodiment
Below the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described enforcement
Example is only a part of embodiment of the invention, rather than whole embodiment.Embodiment in based on the present invention, this area are common
The every other embodiment obtained under the premise of creative work is not made by technical staff, belongs to the model of present invention protection
Enclose.
The invention provides a kind of lubricating grease, in terms of mass fraction, including following components：
The bisgallic acid aluminium soap is obtained by aluminium isopropoxide tripolymer modifier, benzoic acid and stearic acid reaction.
The present invention enables gained lubricating grease at -30～200 DEG C under each component compatibility of above-mentioned particular types and consumption
Wide temperature range under use, and excellent extreme-pressure wear-resistant performance, Corrosion Protection and water-resistance can have been given play to simultaneously, taken into account
Extremely warm (including high temperature and low temperature), extreme-pressure wear-resistant, anticorrosion and water repelling property demand, can preferably be applied to operating environment severe
The operating mode at quarter.
The lubricating grease that the present invention is provided includes 30%～35% mineral oil, and preferred content is 30%～32%.The present invention
In, mineral oil kinematic viscosity preferably at 40 DEG C is 200～300mm2/ s, more preferably at 40 DEG C, kinematic viscosity is
200～230mm2/ s, its contribute to improving the greasy property under high capacity；In some embodiments of invention, the mineral oil
It can be naphthenic mineral oil.
The lubricating grease that the present invention is provided also includes 30%～35% poly alpha olefin, and preferred content is 30%～32%, gathers
Alpha-olefin is collectively forming grease base plinth oil with above-mentioned mineral oil.In certain embodiments of the present invention, the poly alpha olefin
Can be PAO20.
The lubricating grease that the present invention is provided also includes 15%～20% tackifier, and preferred content is 15%～16%.This
In bright, the tackifier are preferably one or more in polyisobutene, polymethyl methacrylate and dry glue.
The lubricating grease that the present invention is provided also includes 10%～25% bisgallic acid aluminium soap, and preferred content is 18%～25%, more
Preferably 20%～25%.In the present invention, the bisgallic acid aluminium soap is anti-by aluminium isopropoxide tripolymer modifier, benzoic acid and stearic acid
Should generate.
In the present invention, the aluminium isopropoxide tripolymer modifier is preferably by aluminium isopropoxide tripolymer, benzoic acid and stearic acid
Reaction is generated.Wherein, the aluminium isopropoxide tripolymer, benzoic acid and stearic mol ratio are preferably (1～1.2)：(0.6～
0.8)：(0.3～0.4), more preferably (1～1.1)：(0.65～0.75)：(0.3～0.4).The temperature of the reaction is preferably
80～90 DEG C, more preferably 85～90 DEG C.
In the present invention, after aluminium isopropoxide tripolymer modifier is obtained, by the aluminium isopropoxide tripolymer modifier and benzene
Formic acid and stearic acid reaction form bisgallic acid aluminium soap.Wherein, the aluminium isopropoxide tripolymer modifier, benzoic acid and stearic rub
You are than being preferably (1～1.1)：(0.35～0.55)：(0.6～0.85), more preferably (1～1.05)：(0.35～0.4)：
(0.6～0.65).In the present invention, the temperature of the reaction is preferably 100～120 DEG C, more preferably 110～120 DEG C.The present invention
In, process is modified to aluminium isopropoxide tripolymer first with benzoic acid and stearic acid preferably, aluminium isopropoxide trimerization structural reform is obtained
Property thing, then the aluminium isopropoxide tripolymer modifier and benzoic acid and stearic acid are carried out reaction with certain proportion and form bisgallic acid aluminium
Soap, the bisgallic acid aluminium soap is combined with base oil and is equipped with other additives, make gained lubricating grease have concurrently extremely temperature, Applicable temperature width,
Excellent extreme-pressure wear-resistant performance, Corrosion Protection and water repelling property.
The lubricating grease that the present invention is provided also includes 2%～3% lubricant.In the present invention, the lubricant is preferably solid
Body lubricant.The kollag plays self-lubricating function, effective protection machine under boundary lubrication or under the conditions of oil film breakage
Tool component contact position, it is to avoid dry friction.In certain embodiments of the present invention, the lubricant can be ultra-fine polytetrafluoroethyl-ne
Alkene powder (PTFE).The present invention is not particularly limited to the source of above-mentioned lubricant, can such as adopt its commercial goods.
The lubricating grease that the present invention is provided also includes 1%～2% antioxidant.In the present invention, the antioxidant is preferably N-
One or more in PA, DBPC 2,6 ditertiary butyl p cresol and 4,4- methylene dianiline (MDA)s.The present invention is to above-mentioned anti-
The source of oxygen agent is not particularly limited, and can such as adopt its commercial goods.
The lubricating grease that the present invention is provided also includes 3%～5% extreme pressure anti-wear additives.In the present invention, the extreme pressure anti-wear additives
One or more preferably in D2EHDTPA amine salt and thiazole, more preferably D2EHDTPA amine salt and thiazole
Mixture.In certain embodiments of the present invention, the D2EHDTPA amine salt can be T307；Some enforcements in the present invention
In example, the thiazole can be T551 or T561.The present invention is not particularly limited to the source of above-mentioned extreme pressure anti-wear additives,
Its commercial goods can such as be adopted.
The lubricating grease that the present invention is provided also includes 1%～2% anticorrosive.In the present invention, the anticorrosive is preferred
For one or more in lanolin magnesium soap, barium mahogany sulfonate, KORANTIN SH-octadecylamine salt and dodecenylsuccinic acid.
The present invention is not particularly limited to the source of above-mentioned anticorrosive, can such as adopt its commercial goods.
The invention provides a kind of lubricating grease, in terms of mass fraction, including：30%～35% mineral oil, 30%～
35% poly alpha olefin, 15%～20% tackifier, 10%～25% bisgallic acid aluminium soap, 2%～3% lubricant, 1%～
2% antioxidant, 3%～5% extreme pressure anti-wear additives, 1%～2% anticorrosive, the bisgallic acid aluminium soap is by aluminium isopropoxide three
Aggressiveness modifier, benzoic acid and stearic acid reaction are obtained.The present invention moistens gained under the component compatibility of mentioned kind and content
Consistent lubricant has extremely temperature, Applicable temperature width, superelevation extreme-pressure wear-resistant performance, Corrosion Protection and water repelling property concurrently, preferably can apply
In the harsh operating mode of operating environment.
Present invention also offers above-mentioned preparation of greases method, comprises the following steps：
A) mineral oil, poly alpha olefin and tackifier are mixed, heating obtains the first mixture；
B) first mixture is mixed with bisgallic acid aluminium soap, is heated, is obtained the second mixture；
C) second mixture is mixed with lubricant, antioxidant and anticorrosive, the 3rd mixture is obtained；
D) the 3rd mixture is mixed with extreme pressure anti-wear additives, is cooled down, is obtained lubricating grease.
In the present invention, the mineral oil, poly alpha olefin, tackifier, bisgallic acid aluminium soap, lubricant, antioxidant, anticorrosive and
The species of extreme pressure anti-wear additives, consumption are consistent with above-mentioned technical proposal with source, will not be described here.
According to the present invention, first mineral oil, poly alpha olefin and tackifier are mixed, heating obtains the first mixture.
In the present invention, order that mineral oil, poly alpha olefin are mixed with tackifier and mode, can be by originals without specifically limited
Material is sufficiently mixed.After mixing, mixed material is heated, obtain the first mixture；The temperature of the heating is preferably
80～100 DEG C, more preferably 80～90 DEG C.In the present invention, it is stirred preferably in heating process simultaneously, is stirred to tackifier
Melt completely.
According to the present invention, after the first mixture is obtained, first mixture is mixed with bisgallic acid aluminium soap, heat, obtain
To the second mixture.
Wherein, raw material can be sufficiently mixed by the mode of the mixing without specifically limited.After raw material is mixed,
Heated, obtained the second mixture.Wherein, described heating be preferably gradient-heated, specifically, by the first mixture with double
After sour aluminium soap mixing, preferably first once heated；The temperature for once heating is preferably 100～110 DEG C；It is heated to setting
After temperature, 1～2h, more preferably 1.5h is stirred preferably, intermediate blend is obtained by once heating and stirring.In obtaining
Between after mixture, preferably carry out reheating；The temperature of the reheating is preferably 190～210 DEG C；It is heated to design temperature
Afterwards, 10～15min, more preferably 10min is preferably stirred, after the high temperature refining of reheating, obtains the second mixture.
According to the present invention, after the second mixture is obtained, by second mixture and lubricant, antioxidant and anticorrosion
Agent mixes, and obtains the 3rd mixture.
In the present invention, after the second mixture is obtained, preferably first second mixture is lowered the temperature, then by cooling after the
Two mixtures are mixed with lubricant, antioxidant and anticorrosive, obtain the 3rd mixture.In the present invention, the cooling is preferably
It is down to 130～140 DEG C；The mode of the mixing is not particularly limited, and can be well mixed material, such as can be to raw material
It is stirred and is allowed to be well mixed.
According to the present invention, after the 3rd mixture is obtained, the 3rd mixture is mixed with extreme pressure anti-wear additives, is cooled down,
Obtain lubricating grease.
In the present invention, after the 3rd mixture is obtained, preferably first the 3rd mixture is lowered the temperature, then by cooling after the
Three mixtures are mixed with extreme pressure anti-wear additives.The cooling is preferably is down to 70～80 DEG C；The mode of the mixing does not have special limit
Material can be well mixed, such as raw material can be stirred and be allowed to be well mixed by system.In the present invention, will be above-mentioned
After material is well mixed, cooled down, obtained lubricating grease.The cooling is preferably and is cooled to room temperature, after cooling to room temperature, also
It is preferred that homogenizing post processing, obtains lubricating grease.
Above-mentioned lubricating grease has extremely temperature, Applicable temperature width concurrently, and excellent extreme-pressure wear-resistant performance, Corrosion Protection and anti-
Aqueous energy, can preferably be applied to the harsh operating mode of operating environment.
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, but
It should be appreciated that these descriptions are simply for further illustrating the features and advantages of the present invention, rather than to the claims in the present invention
Limit.
Embodiment 1
By isopropanol tripolymer, benzoic acid and stearic acid with 1:0.6:0.3 mixed in molar ratio, and fully anti-at 85 DEG C
Should, form aluminium isopropoxide tripolymer modifier.By gained aluminium isopropoxide tripolymer modifier and benzoic acid and stearic acid with 1:
0.35:0.6 mixed in molar ratio, and fully react at 100 DEG C, form bisgallic acid aluminium soap.
35Kg mineral oil, 35Kg poly alpha olefin PAO20 and 20Kg polyisobutene are added in reactor, 80 DEG C are warming up to,
And stirring mixture is melted completely up to polyisobutene, obtains the first mixture.The above-mentioned bisgallic acid aluminium of 18Kg is added in reactor
Soap, is warming up to 100 DEG C, stirs 1.5h；190 DEG C are continuously heating to afterwards, and high temperature refining stirring ten minutes obtains the second mixing
Thing.Second mixture is cooled to 130 DEG C, the ultra-fine polytetrafluorethylepowder powders of 2Kg, 1KgN- PAs and 1Kg sheep is added
Hair fat magnesium soap, stirs, obtains the 3rd mixture.3rd mixture is cooled to 70 DEG C, 2Kg D2EHDTPA amine salt are added
T307 and 1Kg thiazole T551, are cooled to room temperature after stirring 10min, and homogenizing post processing obtains lubricating grease.To institute
Obtaining lubricating grease carries out performance detection, and testing result is shown in Table 1.
Embodiment 2
By isopropanol tripolymer, benzoic acid and stearic acid with 1:0.7:0.35 mixed in molar ratio, and at 100 DEG C fully
Reaction, forms aluminium isopropoxide tripolymer modifier.By gained aluminium isopropoxide tripolymer modifier and benzoic acid and stearic acid with
1.05:0.4:0.65 mixed in molar ratio, and fully react at 110 DEG C, form bisgallic acid aluminium soap.
30Kg mineral oil, 30Kg poly alpha olefin PAO20 and 20Kg polyisobutene are added in reactor, 90 DEG C are warming up to,
And stirring mixture is melted completely up to polyisobutene, obtains the first mixture.The above-mentioned bisgallic acid aluminium of 20Kg is added in reactor
Soap, is warming up to 105 DEG C, stirs 1.5h；200 DEG C are continuously heating to afterwards, and high temperature refining stirring ten minutes obtains the second mixing
Thing.Second mixture is cooled to 135 DEG C, the ultra-fine polytetrafluorethylepowder powders of 2Kg, 2KgN- PAs and 2Kg sheep is added
Hair fat magnesium soap, stirs, obtains the 3rd mixture.3rd mixture is cooled to 75 DEG C, 2Kg D2EHDTPA amine salt are added
T307 and 3Kg thiazole T561, are cooled to room temperature after stirring 10min, and homogenizing post processing obtains lubricating grease.To institute
Obtaining lubricating grease carries out performance detection, and testing result is shown in Table 1.
Embodiment 3
By isopropanol tripolymer, benzoic acid and stearic acid with 1.1:0.75:0.4 mixed in molar ratio, and fill at 87 DEG C
Divide reaction, form aluminium isopropoxide tripolymer modifier.By gained aluminium isopropoxide tripolymer modifier and benzoic acid and stearic acid with
1.1:0.5:0.65 mixed in molar ratio, and fully react at 105 DEG C, form bisgallic acid aluminium soap.
33Kg mineral oil, 33Kg poly alpha olefin PAO20 and 15Kg polyisobutene are added in reactor, 100 DEG C are warming up to,
And stirring mixture is melted completely up to polyisobutene, obtains the first mixture.The above-mentioned bisgallic acid aluminium of 25Kg is added in reactor
Soap, is warming up to 110 DEG C, stirs 1.5h；210 DEG C are continuously heating to afterwards, and high temperature refining stirring ten minutes obtains the second mixing
Thing.Second mixture is cooled to 140 DEG C, the ultra-fine polytetrafluorethylepowder powders of 1Kg, 2KgN- PAs and 1Kg sheep is added
Hair fat magnesium soap, stirs, obtains the 3rd mixture.3rd mixture is cooled to 80 DEG C, 3Kg D2EHDTPA amine salt are added
T307 and 2Kg thiazole T551, are cooled to room temperature after stirring 10min, and homogenizing post processing obtains lubricating grease.To institute
Obtaining lubricating grease carries out performance detection, and testing result is shown in Table 1.
Comparative example 1
35Kg mineral oil, 35Kg poly alpha olefin PAO20 and 20Kg polyisobutene are added in reactor, 80 DEG C are warming up to,
And stirring mixture is melted completely up to polyisobutene, obtains the first mixture.By isopropanol tripolymer, benzoic acid and stearic acid
With 1:0.95:0.9 mol ratio (isopropanol tripolymer, benzoic acid and stearic quality summation are 18Kg) input reactor
In, 100 DEG C are warming up to, 1.5h is stirred；190 DEG C are continuously heating to afterwards, and high temperature refining stirring ten minutes obtains the second mixing
Thing.Second mixture is cooled to 130 DEG C, the ultra-fine polytetrafluorethylepowder powders of 2Kg, 1KgN- PAs and 1Kg sheep is added
Hair fat magnesium soap, stirs, obtains the 3rd mixture.3rd mixture is cooled to 70 DEG C, 2Kg D2EHDTPA amine salt are added
T307 and 1Kg thiazole T551, are cooled to room temperature after stirring 10min, and homogenizing post processing obtains lubricating grease.To institute
Obtaining lubricating grease carries out performance detection, and testing result is shown in Table 1.
Comparative example 2
By isopropanol tripolymer, benzoic acid and stearic acid with 1:0.6:0.3 mixed in molar ratio, and fully anti-at 85 DEG C
Should, form modified aluminium isopropoxide tripolymer.By gained modification aluminium isopropoxide tripolymer and benzoic acid and stearic acid with 1:0.2:0.3
Mixed in molar ratio, and fully react at 100 DEG C, form compound aluminium soap.
35Kg mineral oil, 35Kg poly alpha olefin PAO20 and 20Kg polyisobutene are added in reactor, 80 DEG C are warming up to,
And stirring mixture is melted completely up to polyisobutene, obtains the first mixture.The above-mentioned clad aluminums of 18Kg are added in reactor
Soap, is warming up to 100 DEG C, stirs 1.5h；190 DEG C are continuously heating to afterwards, and high temperature refining stirring ten minutes obtains the second mixing
Thing.Second mixture is cooled to 130 DEG C, the ultra-fine polytetrafluorethylepowder powders of 2Kg, 1KgN- PAs and 1Kg sheep is added
Hair fat magnesium soap, stirs, obtains the 3rd mixture.3rd mixture is cooled to 70 DEG C, 2Kg D2EHDTPA amine salt are added
T307 and 1Kg thiazole T551, are cooled to room temperature after stirring 10min, and homogenizing post processing obtains lubricating grease.To institute
Obtaining lubricating grease carries out performance detection, and testing result is shown in Table 1.
Comparative example 3
By isopropanol tripolymer, benzoic acid and stearic acid with 1:0.6:0.3 mixed in molar ratio, and fully anti-at 85 DEG C
Should, form modified aluminium isopropoxide tripolymer.By gained modification aluminium isopropoxide tripolymer and benzoic acid and stearic acid with 1.1:0.9:1
Mixed in molar ratio, and fully react at 100 DEG C, form compound aluminium soap.
35Kg mineral oil, 35Kg poly alpha olefin PAO20 and 20Kg polyisobutene are added in reactor, 80 DEG C are warming up to,
And stirring mixture is melted completely up to polyisobutene, obtains the first mixture.The above-mentioned clad aluminums of 18Kg are added in reactor
Soap, is warming up to 100 DEG C, stirs 1.5h；190 DEG C are continuously heating to afterwards, and high temperature refining stirring ten minutes obtains the second mixing
Thing.Second mixture is cooled to 130 DEG C, the ultra-fine polytetrafluorethylepowder powders of 2Kg, 1KgN- PAs and 1Kg sheep is added
Hair fat magnesium soap, stirs, obtains the 3rd mixture.3rd mixture is cooled to 70 DEG C, 2Kg D2EHDTPA amine salt are added
T307 and 1Kg thiazole T551, are cooled to room temperature after stirring 10min, and homogenizing post processing obtains lubricating grease.To institute
Obtaining lubricating grease carries out performance detection, and testing result is shown in Table 1.
The performance test results of lubricating grease prepared by 1 embodiment of the present invention 1～3 of table and comparative example 1～3
As seen from the above embodiment, the lubricating grease that the present invention is provided has excellent high temperature resistant and resistance to low temperature concurrently simultaneously,
And superpower extreme-pressure wear-resistant, excellent anticorrosive property and water-resistance, extremely temperature, water pouring, high corrosion and height can be applied to negative
Situations such as lotus the harsh operating environment that deposits, meet special operation duty requirements.
The explanation of above example is only intended to help and understands the method for the present invention and its core concept.To these embodiments
Multiple modifications will be apparent for those skilled in the art, generic principles defined herein can be with
Without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will not be limited
In the embodiments shown herein, and it is to fit to consistent with principles disclosed herein and features of novelty most wide
Scope.
Claims (10)
1. a kind of lubricating grease, it is characterised in that in terms of mass fraction, including following components：
The bisgallic acid aluminium soap is obtained by aluminium isopropoxide tripolymer modifier, benzoic acid and stearic acid reaction.
2. lubricating grease according to claim 1, it is characterised in that the aluminium isopropoxide tripolymer modifier, benzoic acid and
Stearic mol ratio is (1～1.1)：(0.35～0.55)：(0.6～0.85).
3. lubricating grease according to claim 1 and 2, it is characterised in that the aluminium isopropoxide tripolymer modifier is by isopropyl
Aluminium alcoholates tripolymer, benzoic acid and stearic acid reaction are obtained；
The aluminium isopropoxide tripolymer, benzoic acid and stearic mol ratio are (1～1.2)：(0.6～0.8)：(0.3～
0.4).
4. lubricating grease according to claim 1, it is characterised in that 40 DEG C of kinematic viscosity of the mineral oil are 200～
300mm2/s.
5. lubricating grease according to claim 1, it is characterised in that the tackifier are polyisobutene, polymethylacrylic acid
One or more in methyl esters and dry glue.
6. lubricating grease according to claim 1, it is characterised in that the lubricant is ultra-fine polytetrafluoroethylene powder.
7. lubricating grease according to claim 1, it is characterised in that the antioxidant is N- PAs, 2,6-, bis- uncles
One or more in butyl paracresol and 4,4- methylene dianiline (MDA)s.
8. lubricating grease according to claim 1, it is characterised in that the extreme pressure anti-wear additives are D2EHDTPA amine salt and thiazole
One or more in derivative.
9. lubricating grease according to claim 1, it is characterised in that the anticorrosive is lanolin magnesium soap, mahogany acid
One or more in barium, KORANTIN SH-octadecylamine salt and dodecenylsuccinic acid.
10. a kind of preparation of greases method as described in any one of claim 1～9, it is characterised in that including following step
Suddenly：
A) mineral oil, poly alpha olefin and tackifier are mixed, heating obtains the first mixture；
B) first mixture is mixed with bisgallic acid aluminium soap, is heated, is obtained the second mixture；
C) second mixture is mixed with lubricant, antioxidant and anticorrosive, the 3rd mixture is obtained；
D) the 3rd mixture is mixed with extreme pressure anti-wear additives, is cooled down, is obtained lubricating grease.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111286388A (en) * | 2020-02-26 | 2020-06-16 | 上海果石实业(集团)有限公司 | Special lubricating grease for ships and warships and preparation method thereof |
| CN115161096A (en) * | 2022-06-01 | 2022-10-11 | 中国石油化工股份有限公司 | Aluminum-barium-based lubricating grease composition, and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103789065A (en) * | 2014-01-21 | 2014-05-14 | 江苏龙蟠科技股份有限公司 | Composition of food-grade lubricating grease and preparation method thereof |
| CN103980991A (en) * | 2014-05-26 | 2014-08-13 | 苏州惠丰润滑油有限公司 | Compound aluminum-base lubricating grease composition and preparation method |
| CN104140867A (en) * | 2014-07-25 | 2014-11-12 | 中国石油化工股份有限公司 | Lubricating grease combination and preparing method of lubricating grease combination |
-
2016
- 2016-10-17 CN CN201610903565.XA patent/CN106497653B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103789065A (en) * | 2014-01-21 | 2014-05-14 | 江苏龙蟠科技股份有限公司 | Composition of food-grade lubricating grease and preparation method thereof |
| CN103980991A (en) * | 2014-05-26 | 2014-08-13 | 苏州惠丰润滑油有限公司 | Compound aluminum-base lubricating grease composition and preparation method |
| CN104140867A (en) * | 2014-07-25 | 2014-11-12 | 中国石油化工股份有限公司 | Lubricating grease combination and preparing method of lubricating grease combination |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111286388A (en) * | 2020-02-26 | 2020-06-16 | 上海果石实业(集团)有限公司 | Special lubricating grease for ships and warships and preparation method thereof |
| CN115161096A (en) * | 2022-06-01 | 2022-10-11 | 中国石油化工股份有限公司 | Aluminum-barium-based lubricating grease composition, and preparation method and application thereof |
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