CN109233980A - lubricating grease and preparation method thereof - Google Patents

lubricating grease and preparation method thereof Download PDF

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Publication number
CN109233980A
CN109233980A CN201710558092.9A CN201710558092A CN109233980A CN 109233980 A CN109233980 A CN 109233980A CN 201710558092 A CN201710558092 A CN 201710558092A CN 109233980 A CN109233980 A CN 109233980A
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CN
China
Prior art keywords
lubricating grease
oil
weight
lubricating
base oil
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CN201710558092.9A
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Chinese (zh)
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CN109233980B (en
Inventor
周云帆
郑会
何懿峰
刘欣阳
孙洪伟
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Sinopec Research Institute of Petroleum Processing
China Petroleum and Chemical Corp
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Sinopec Research Institute of Petroleum Processing
China Petroleum and Chemical Corp
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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
    • C10M169/06—Mixtures of thickeners and additives
    • 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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/105—Silica
    • 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
    • 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
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
    • C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms 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
    • 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
    • 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
    • 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
    • C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
    • C10M2215/227—Phthalocyanines
    • C10M2215/2275—Phthalocyanines used as thickening agents
    • 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
    • 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
    • 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
    • C10N2030/26—Waterproofing or water resistance

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

This disclosure relates to a kind of lubricating grease and preparation method thereof, on the basis of lubricating grease total weight, the lubricating grease includes: the lubricating base oil of 64-95 weight %, the thickening agent of 4-35 weight %, the texturing agent of 0.1-10 weight %, and the antioxidant of 0.1-10 weight %, the texturing agent are selected from least one of silica white, bentonite and carbon black.The lubricating grease has excellent high-temperature behavior, is a kind of no dropping-point lubricating grease, while having excellent water-resistance, colloid stability and antirust, anti-corrosive performance, can satisfy the wet lubricating requirement for waiting worst hot cases of more torrents.

Description

Lubricating grease and preparation method thereof
Technical field
This disclosure relates to technical field of lubricating grease, and in particular, to a kind of lubricating grease and preparation method thereof.
Background technique
It is known as lubricating grease slave the lubricant of semifluid to solid-like with thickening agent thickening base oil preparation.Lubricating grease is answered It is very extensive with field, it can be used for lubricating rotation, lubricating machinery friction part, also have the effect of protection and sealing concurrently, apply Almost cover industrial circle, agriculture field, traffic transport industry, aerospace industry, electronic and information industry and defence equipment.In stone It is various in style although specific gravity shared by the yield of lubricating grease is little in oil product, it is that each department of national economy is indispensable Important materials.
With the continuous development of China's economy, industrialized level is continuously improved, and sophisticated equipment uses more and more, many Lubricant housings operating temperature is higher and higher, and the requirement to lubricating grease high temperature resistance is also continuously improved.China is most common at present Lubricating grease is oily metal soap base grease based on mineral oil, is no more than 150 DEG C using temperature, is not able to satisfy high temperature profit Sliding demand.About Hmp grease, domestic and foreign scholars have done many research.Lu shows chrysanthemum in Chinese patent CN102417847A Et al. using branch tolyl silicone oil and organic thickening agent and add antioxidant, antirust agent, preservative and be prepared for meeting wide Wen Fan Enclose the lubricant composition of interior ball bearing lubricating requirement.Rattan hero is helped in Chinese patent CN102994196A too et al. uses season penta Oily based on four ester oil of tetrol, lithium soap is thickening agent and adds the long-life rolling bearing that antioxidant is prepared for a kind of wide temperature range Use lubricating grease.River Huang Fu et al. is using oil based on poly-internal-olefins and polyethers, thickening agent in Chinese patent CN103265998A Triuret thickening agent, while adding antioxidant, extreme pressure anti-wear additives, antirust agent, filler and being prepared for a kind of Heat-resistant grease.
Summary of the invention
Purpose of this disclosure is to provide a kind of lubricating grease and preparation method thereof, which has excellent high-temperature behavior.
To achieve the goals above, disclosure first aspect: providing a kind of lubricating grease, on the basis of lubricating grease total weight, The lubricating grease includes: the lubricating base oil of 64-95 weight %, and the structure of the thickening agent of 4-35 weight %, 0.1-10 weight % changes Into agent and the antioxidant of 0.1-10 weight %, the texturing agent is at least one in silica gel, bentonite and carbon black Kind.
Optionally, on the basis of lubricating grease total weight, which includes: the lubricating base oil of 74-90 weight %, 9-25 The thickening agent of weight %, the texturing agent of 0.5-5 weight % and the antioxidant of 0.5-5 weight %.
Optionally, the average grain diameter of the texturing agent is 0.01-100 μm.
Optionally, the average grain diameter of the texturing agent is 0.1-50 μm.
Optionally, the lubricating base oil is 5-60mm in 100 DEG C of dynamic viscosity2/s。
Optionally, the lubricating base oil is 10-31mm in 100 DEG C of dynamic viscosity2/s。
Optionally, the lubricating base oil is mineral oil and/or synthetic oil；The mineral oil is selected from low-sulfur paraffin base At least one of oil base oil, low-sulfur intermediate base base oil and naphthene base crude base oil；The synthetic oil is selected from synthesis At least one of hydrocarbon ils, Esters oil, ethers oil, silicone oil and fluorocarbon oil.
Optionally, the thickening agent is the CuPc that structural formula is formula (I),
Optionally, the antioxidant is alkyl phenol type antioxidant and/or amine type antioxidant.
Disclosure second aspect: a kind of method for preparing lubricating grease described in disclosure first aspect, this method packet are provided It includes, is first uniformly mixed the lubricating base oil and thickening agent, the texturing agent is then added into resulting mixture, Stirring adds the antioxidant after being warming up to 60-80 DEG C and insulated and stirred 10-30 minutes, continues to stir and be cooled to room temperature, Grinding obtains lubricating grease.
Through the above technical solutions, the lubricating grease that the disclosure provides has excellent high-temperature behavior, it is a kind of no dropping point profit Consistent lubricant, while there is excellent water-resistance, colloid stability, antirust, anti-corrosive performance, it can satisfy the wet equal worst hot cases of more torrents Lubricating requirement.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Specific embodiment
The specific embodiment of the disclosure is described in detail below.It should be understood that described herein specific Embodiment is only used for describing and explaining the disclosure, is not limited to the disclosure.
Disclosure first aspect: providing a kind of lubricating grease, and on the basis of lubricating grease total weight, which includes: 64-95 The lubricating base oil of weight %, the thickening agent of 4-35 weight %, texturing agent and the 0.1-10 weight of 0.1-10 weight % The antioxidant of % is measured, the texturing agent is selected from least one of silica gel, bentonite and carbon black.
By the way that texturing agent is added in formula, the high-temperature behavior of lubricating grease can be significantly improved, the disclosure is provided Lubricating grease become a kind of no dropping-point lubricating grease, while there is excellent water-resistance, colloid stability, antirust, anti-corrosive performance, energy Enough meet the lubricating requirement of the wet equal worst hot cases of more torrents.
It,, should on the basis of lubricating grease total weight under preferable case in order to further increase the high-temperature behavior of the lubricating grease Lubricating grease includes: the lubricating base oil of 74-90 weight %, and the structure of the thickening agent of 9-25 weight %, 0.5-5 weight % is improved The antioxidant of agent and 0.5-5 weight %.
According to the disclosure, the particle size of the texturing agent is for improving the high-temperature behavior of lubricating grease with important It influences, the average grain diameter of the texturing agent employed in the disclosure can be 0.01-100 μm, preferably 0.1-50 μm. The meaning of the average grain diameter is well known to those skilled in the art, and refers to the diameter summation and granule number of whole particles in sample The ratio of amount, texturing agent used by the disclosure are available commercially.
According to the disclosure, the type of the lubricating base oil can be the conventional selection of this field, in 100 DEG C of movement Viscosity can be 5-60mm2/ s, preferably 10-31mm2/ s, flash-point can be for not less than 250 DEG C.For example, the lubricating base oil It can be mineral oil and/or synthetic oil.The mineral oil can be for selected from low-sulfur paraffinic base crude oil base oil, low-sulfur intermediate base base At least one of plinth oil and naphthene base crude base oil.The synthetic oil can be for selected from synthetic hydrocarbon oil, Esters oil, ethers At least one of oil, silicone oil and fluorocarbon oil, further, the synthetic oil can be for selected from poly-a-olefin oils (PAO), poly- fourth Alkene be representative synthetic hydrocarbon oil, using the diester such as dioctyl sebacate, polyol ester as the Esters oil of representative, with alkyl diphenyl ether, Polypropylene glycol is the ethers oil of representative, at least one of silicone oil and fluorocarbon oil.
According to the disclosure, the thickening agent can be the CuPc that structural formula is formula (I),
The disclosure does not have special limitation to the type of the antioxidant, can by those skilled in the art routine use , such as can be alkyl phenol type antioxidant and/or amine type antioxidant.The alkyl phenol type antioxidant is, for example, the tertiary fourth of 2,6- bis- Base phenol, DBPC 2,6 ditertiary butyl p cresol, tert-butyl hydroxy anisole, 2,6- three-level butyl -4- methylphenol, bis- (3,5- three-levels Butyl -4- hydroxy phenyl) thioether, four (β-(3,5- three-level butyl -4- hydroxy phenyl) propionic acid) pentaerythritol esters and alpha-Naphthol etc.. The amine type antioxidant is, for example, that diphenylamines, p-phenylenediamine, N- phenyl-α-naphthylamine, N- phenyl-β-naphthylamine and dihydroquinoline etc. are changed Close object and its derivative or polymer.The antioxidant is preferably diphenylamines and/or N- phenyl-α-naphthylamine, above-mentioned antioxidant pair Ability and the high-temperature oxidation resistance for controlling lubricating grease viscosity build are very prominent thus be more advantageous to and obtain high performance lubrication Rouge.
Disclosure second aspect provides a kind of method for preparing lubricating grease described in disclosure first aspect, this method packet It includes, is first uniformly mixed the lubricating base oil and thickening agent, the texturing agent is then added into resulting mixture, Stirring adds the antioxidant after being warming up to 60-80 DEG C and insulated and stirred 10-30 minutes, continues to stir and be cooled to room temperature, Grinding obtains lubricating grease.
Embodiment below will be further described the disclosure, but and be not so limited the disclosure.
In embodiment and comparative example, the dropping point of lubricating grease is measured using 3498 method of GB/T, and cone penetration uses GB/T 269 Method measures, and Stencil oil-dividing is measured using 0324 method of SH/T, and anticorrosive property is measured using 5018 method of GB/T, copper corrosion Performance is measured using 7326 method of GB/T, and water leaching number of dropouts is measured using 0109 method of SH/T.
Embodiment 1
Material component: 150BS base oil (is 31mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 288 DEG C) 80kg；Phthalocyanine Copper 10kg；Silica gel (average grain diameter is 0.5 μm) 5kg；Diphenylamines 5kg.
Base oil and CuPc are stirred at room temperature uniformly, silica gel is added and continues to stir, 60 DEG C is warming up to and keeps the temperature and stir It mixes and diphenylamines is added after ten minutes, continue to stir and be cooled to room temperature, ground 3 times by grinder, obtain the present embodiment preparation Lubricating grease, test its properties of product and be listed in Table 1 below.
Embodiment 2
Material component: poly-a-olefin oil PAO10 (is 10mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 290 DEG C) 74kg； CuPc 24kg；Silica gel (average grain diameter is 10 μm) 1kg；N- phenyl-α-naphthylamine 1kg.
Base oil and CuPc are stirred at room temperature uniformly, silica gel is added and continues to stir, is warming up to 80 DEG C and insulated and stirred 20 N- phenyl-α-naphthylamine is added after minute, continues to stir and be cooled to room temperature, is ground 3 times by grinder, obtains the present embodiment system Standby lubricating grease is tested its properties of product and is listed in Table 1 below.
Embodiment 3
Material component: 500N base oil and the miscella of methyl-silicone oil 201-100 (are in 100 DEG C of kinematic viscosity 15mm2/ s, flash-point are 280 DEG C) 79kg；CuPc 20kg；Silica gel (average grain diameter is 50 μm) 0.5kg；N- phenyl-α-naphthylamine 0.5kg。
Base oil and CuPc are stirred at room temperature uniformly, silica gel is added and continues to stir, is warming up to 65 DEG C and insulated and stirred 30 N- phenyl-α-naphthylamine is added after minute, continues to stir and be cooled to room temperature, is ground 3 times by grinder, obtains the present embodiment system Standby lubricating grease is tested its properties of product and is listed in Table 1 below.
Embodiment 4
Material component: the miscella of poly-a-olefin oil PAO40 and dioctyl sebacate (is in 100 DEG C of kinematic viscosity 20mm2/ s, flash-point are 302 DEG C) 79kg；CuPc 15kg；Silica gel (average grain diameter is 25 μm) 3kg；Diphenylamines 1.5kg；N- benzene Base-alpha-naphthylamine 1.5kg.
Base oil and CuPc are stirred at room temperature uniformly, silica gel is added and continues to stir, is warming up to 70 DEG C and insulated and stirred 60 Diphenylamines and N- phenyl-α-naphthylamine are added after minute, continues to stir and be cooled to room temperature, is ground 3 times by grinder, obtains this The lubricating grease of embodiment preparation, tests its properties of product and is listed in Table 1 below.
Embodiment 5
Material component: 150BS base oil (is 31mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 288 DEG C) 88kg；Phthalocyanine Copper 9kg；Carbon black (average grain diameter is 1 μm) 1.5kg；Diphenylamines 1.5kg.
Base oil and CuPc are stirred at room temperature uniformly, carbon black is added and continues to stir, is warming up to 80 DEG C and insulated and stirred 30 Diphenylamines is added after minute, continues to stir and be cooled to room temperature, is ground 3 times by grinder, obtains profit manufactured in the present embodiment Consistent lubricant is tested its properties of product and is listed in Table 1 below.
Embodiment 6
Material component: 400SN base oil (is 10mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 278 DEG C) 84kg；Phthalocyanine Copper 10kg；Bentonite (average grain diameter is 10 μm) 5kg；Diphenylamines 1kg.
Base oil and CuPc are stirred at room temperature uniformly, bentonite is added and continues to stir, is warming up to 60 DEG C and insulated and stirred Diphenylamines is added after twenty minutes, continue to stir and is cooled to room temperature, is ground 3 times, is obtained manufactured in the present embodiment by grinder Lubricating grease is tested its properties of product and is listed in Table 1 below.
Embodiment 7
Material component: 150BS base oil (is 31mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 288 DEG C) 95kg；Phthalocyanine Copper 4.8kg；Silica gel (average grain diameter is 0.5 μm) 0.1kg；Diphenylamines 0.1kg.
Base oil and CuPc are stirred at room temperature uniformly, silica gel is added and continues to stir, is warming up to 60 DEG C and insulated and stirred 20 Diphenylamines is added after minute, continues to stir and be cooled to room temperature, is ground 3 times by grinder, obtains profit manufactured in the present embodiment Consistent lubricant is tested its properties of product and is listed in Table 1 below.
Embodiment 8
Material component: 150BS base oil (is 31mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 288 DEG C) 64.5kg；Phthalein Cyanines copper 35kg；Carbon black (average grain diameter is 10 μm) 0.2kg；Diphenylamines 0.3kg.
Base oil and CuPc are stirred at room temperature uniformly, carbon black is added and continues to stir, is warming up to 60 DEG C and insulated and stirred 10 Diphenylamines is added after minute, continues to stir and be cooled to room temperature, is ground 3 times by grinder, obtains profit manufactured in the present embodiment Consistent lubricant is tested its properties of product and is listed in Table 1 below.
Embodiment 9
Material component: 400SN base oil (is 10mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 278 DEG C) 72kg；Phthalocyanine Copper 8kg；Bentonite (average grain diameter is 50 μm) 10kg；Diphenylamines 10kg.
Base oil and CuPc are stirred at room temperature uniformly, bentonite is added and continues to stir, is warming up to 60 DEG C and insulated and stirred Diphenylamines is added after twenty minutes, continue to stir and is cooled to room temperature, is ground 3 times, is obtained manufactured in the present embodiment by grinder Lubricating grease is tested its properties of product and is listed in Table 1 below.
Embodiment 10
Material component: 150BS base oil (is 31mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 288 DEG C) 80kg；Phthalocyanine Copper 10kg；Silica gel (average grain diameter is 100 μm) 5kg；Diphenylamines 5kg.
Base oil and CuPc are stirred at room temperature uniformly, silica gel is added and continues to stir, 60 DEG C is warming up to and keeps the temperature and stir Diphenylamines is added after mixing 30 minutes, continue to stir and is cooled to room temperature, is ground 3 times by grinder, obtains the present embodiment preparation Lubricating grease, test its properties of product and be listed in Table 1 below.
Embodiment 11
Poly-a-olefin oil PAO10 (is 10mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 290 DEG C) 74kg；CuPc 24kg；Silica gel (average grain diameter is 0.01 μm) 1kg；N- phenyl-α-naphthylamine 1kg.
Base oil and CuPc are stirred at room temperature uniformly, silica gel is added and continues to stir, is warming up to 80 DEG C and insulated and stirred 20 N- phenyl-α-naphthylamine is added after minute, continues to stir and be cooled to room temperature, is ground 3 times by grinder, obtains the present embodiment system Standby lubricating grease is tested its properties of product and is listed in Table 1 below.
Embodiment 12
Material component: 40 base oil of PAO (is 40mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 272 DEG C) 80kg；Phthalein Cyanines copper 10kg；Silica gel (granularity is 0.5 μm) 5kg；Diphenylamines 5kg.
Base oil and CuPc are stirred at room temperature uniformly, silica gel is added and continues to stir, 60 DEG C is warming up to and keeps the temperature and stir Diphenylamines is added after mixing 30 minutes, continue to stir and is cooled to room temperature, is ground 3 times by grinder, obtains the present embodiment preparation Lubricating grease, test its properties of product and be listed in Table 1 below.
Embodiment 13
Material component: 3# instrument oil (is 3mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 180 DEG C) 74kg；CuPc 24kg；Silica gel (average grain diameter is 10 μm) 1kg；N- phenyl-α-naphthylamine 1kg.
Base oil and CuPc are stirred at room temperature uniformly, silica gel is added and continues to stir, is warming up to 80 DEG C and insulated and stirred 20 N- phenyl-α-naphthylamine is added after minute, continues to stir and be cooled to room temperature, is ground 3 times by grinder, obtains the present embodiment system Standby lubricating grease is tested its properties of product and is listed in Table 1 below.
Embodiment 14
Material component: 150BS base oil (is 31mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 288 DEG C) 80kg；Phthalocyanine Copper 10kg；Silica gel (average grain diameter is 200 μm) 5kg；Diphenylamines 5kg.
Base oil and CuPc are stirred at room temperature uniformly, silica gel is added and continues to stir, 60 DEG C is warming up to and keeps the temperature and stir It mixes and diphenylamines is added after ten minutes, continue to stir and be cooled to room temperature, ground 3 times by grinder, obtain the present embodiment preparation Lubricating grease, test its properties of product and be listed in Table 1 below.
Embodiment 15
Material component: naphthenic base oils T3 (is 1.3mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 104 DEG C) 80kg； CuPc 10kg；Silica gel (granularity is 0.5 μm) 5kg；Diphenylamines 5kg.
Base oil and CuPc are stirred at room temperature uniformly, silica gel is added and continues to stir, 60 DEG C is warming up to and keeps the temperature and stir Diphenylamines is added after mixing 30 minutes, continue to stir and is cooled to room temperature, is ground 3 times by grinder, obtains the present embodiment preparation Lubricating grease, test its properties of product and be listed in Table 1 below.
Comparative example 1
Material component: 150BS base oil (is 31mm in 100 DEG C of kinematic viscosity2/ s, flash-point are 288 DEG C) 85kg；Phthalocyanine Copper 10kg；Diphenylamines 5kg.
Base oil and CuPc are stirred at room temperature uniformly, 60 DEG C is warming up to and diphenylamines is added in insulated and stirred after ten minutes It stirs, continue to stir and is cooled to room temperature, ground 3 times by grinder, obtain the lubricating grease of this comparative example preparation, test its product Performance is listed in Table 1 below.
Table 1
Seen from table 1, the lubricating grease that the disclosure provides has excellent high-temperature behavior, is a kind of no dropping-point lubricating grease, together When with excellent water-resistance, colloid stability, antirust, anti-corrosive performance, the lubrication that can satisfy the wet equal worst hot cases of more torrents is wanted It asks.Especially on the basis of by lubricating grease total weight, the raw material components of lubricating grease include the lubricating base oil of 74-90 weight %, 9- The thickening agent of 25 weight %, the texturing agent of 0.5-5 weight % and the antioxidant of 0.5-5 weight %, or change in structure Granularity into agent is 0.1-50 μm or the lubricating base oil in 100 DEG C of dynamic viscosity is 10-31mm2It is prepared when/s Lubricating grease have more excellent performance.
The preferred embodiment of the disclosure is described in detail above, still, during the disclosure is not limited to the above embodiment Detail a variety of simple variants can be carried out to the technical solution of the disclosure in the range of the technology design of the disclosure, this A little simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought, it should also be regarded as the disclosure of the present invention.

Claims (10)

1. a kind of lubricating grease, which is characterized in that on the basis of lubricating grease total weight, which includes: the profit of 64-95 weight % Sliding base oil, the thickening agent of 4-35 weight %, the texturing agent of 0.1-10 weight % and the antioxygen of 0.1-10 weight % Agent, the texturing agent are selected from least one of silica gel, bentonite and carbon black.
2. lubricating grease according to claim 1, wherein on the basis of lubricating grease total weight, which includes: 74-90 The lubricating base oil of weight %, the thickening agent of 9-25 weight %, the texturing agent and 0.5-5 weight % of 0.5-5 weight % Antioxidant.
3. lubricating grease according to claim 1 or 2, wherein the average grain diameter of the texturing agent is 0.01-100 μm.
4. lubricating grease according to claim 3, wherein the average grain diameter of the texturing agent is 0.1-50 μm.
5. lubricating grease according to claim 1 or 2, wherein the lubricating base oil is 5- in 100 DEG C of dynamic viscosity 60mm2/s。
6. lubricating grease according to claim 5, wherein the lubricating base oil is 10- in 100 DEG C of dynamic viscosity 31mm2/s。
7. lubricating grease according to claim 5, wherein the lubricating base oil is mineral oil and/or synthetic oil；The mine Object oil is at least one in low-sulfur paraffinic base crude oil base oil, low-sulfur intermediate base base oil and naphthene base crude base oil Kind；The synthetic oil is selected from least one of synthetic hydrocarbon oil, Esters oil, ethers oil, silicone oil and fluorocarbon oil.
8. lubricating grease according to claim 1 or 2, wherein the thickening agent is the CuPc that structural formula is formula (I),
9. lubricating grease according to claim 1 or 2, wherein the antioxidant is that alkyl phenol type antioxidant and/or amine type are anti- Oxygen agent.
10. a kind of method for preparing lubricating grease described in any one of claim 1-9, which is characterized in that this method includes, First the lubricating base oil and thickening agent are uniformly mixed, the texturing agent is then added into resulting mixture, stirs It mixes and adds the antioxidant after being warming up to 60-80 DEG C and insulated and stirred 10-30 minutes, continue to stir and be cooled to room temperature, grind Mill obtains lubricating grease.
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