CN106497636B - A kind of long-life prevents seizing lubricant composition and preparation method - Google Patents

A kind of long-life prevents seizing lubricant composition and preparation method Download PDF

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Publication number
CN106497636B
CN106497636B CN201610875914.1A CN201610875914A CN106497636B CN 106497636 B CN106497636 B CN 106497636B CN 201610875914 A CN201610875914 A CN 201610875914A CN 106497636 B CN106497636 B CN 106497636B
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composition
long
life
lubricant composition
dismantling
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CN106497636A (en
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王先会
谷效英
王兆坤
李素
李勇
袁敬波
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China Petroleum and Chemical Corp
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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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C10M2201/066—Molybdenum sulfide
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • 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
    • C10M2205/04—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing aromatic monomers, e.g. styrene
    • 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
    • C10M2205/06—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing conjugated dienes
    • 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
    • C10M2215/223—Five-membered rings containing nitrogen and carbon only
    • 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
    • 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
    • C10M2219/0445—Sulfonic acids, Derivatives thereof, e.g. neutral salts used as thickening agents
    • 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
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • C10M2219/106—Thiadiazoles
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • 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
    • C10N2030/72—Extended drain
    • 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

Seizing lubricant composition and preparation method are prevented the present invention relates to a kind of long-life.Including calcium sulfonate complex grease 82.9%~97.5%, antioxidant and metal deactivator 0.3%~1.0%, antirust agent 0.6%~4.8%, solid lubricant 0.3%~3.2%, solid-filling agent 1.0~4.5% and tackifier 0.3%~3.6%.Lubricating grease of the invention can significantly delay the corrosion rate of derrick crane pivot pin, tower crane used in the large size or high-rise building project for being 2 years or more for the construction period, pin shaft is difficult to disassemble problem caused by effectively capable of avoiding occurring under construction environment seizing get rusty, and realizes that tower crane standard knot pivot pin smoothly assembles and dismantling.

Description

A kind of long-life prevents seizing lubricant composition and preparation method
Technical field
The invention belongs to technical field of lubricating grease, in particular to a kind of long-life prevents seizing lubricant composition and preparation Method.
Background technique
Derrick crane abbreviation tower crane, also referred to as tower crane are most common a kind of lifting equipments on construction site.Tower crane is being revealed The construction of its execution conditions, will bear the influence of the complex dielectrics environment such as rainwater, cement, sand and dust, corrosive gas.When construction is completed When, it is necessary to each component of tower crane is dismantled and carried.Under open work environment, if tower crane standard knot connects pin shaft because serious Corrosion causes stuck, will cause great difficulty to disassembly operation of tower crane after the completion of construction operation.Realize above-mentioned fastening Part smoothly installation and removal need to apply and prevent seizing lubricating grease, function be high temperature, high pressure, humidity and static or Under the conditions of fine motion, playing prevents that metal rusting is stuck, isolating metal prevents to bond, ensures suitable static and dynamic friction coefficient.
The prior art be tower crane pin shaft and pin shaft inner room using common lithium base grease, extreme pressure lithium base lubricating grease, Grease based on molybdenum disulfide lithium etc..Its anti-attrition and antirust function are poor, four ball sintering load PD values usually < 2450N, salt spray test Pass through time < 120h.In general, these products the construction time be more than will gradually occur after 6 months pin shaft corrosion, Abrasion and pin shaft are phenomena such as being generated pin shaft bending by pressure.Although these products also have certain corrosion, anti-attrition Function, but under the working condition of the harshness such as high humidity, high pressure, corrosive media, the scratch of Yi Fasheng workpiece surface, bonding, A series of problems, such as getting rusty can bring exceptional hardship to the installation and dismantling construction of metal component, while cause metal part Service life greatly shortens.
CN201410380754.4 column crane mast section assembly oil/fat composition and preparation method, use general lithium Base rouge be carrier, then by be added it is anti-oxidant, anti-attrition, prevent the additives such as seizing, antirust, increasing stick, obtain a kind of tower lifting Machine standard knot assembles dedicated oil/fat composition.The salt fog resistance test of the invention product is 720h by the time, and service life is 1~2 Year.
For general large-scale or high-rise building project, construction period often reaches 2 years to more than the several years.When having constructed Cheng Shi, the seizing dead phenomenon of rust of standard knot pin shaft is often quite serious, pin shaft normal dismantling difficult to realize.
Assembly rouge between tower crane upper pin and pin sleeve, it is necessary to assure under the conditions of static or fine motion, pin shaft and pin The adipose membrane that shaft room is retained, which will play, prevents that metal rusting is stuck, isolating metal prevents to bond, ensures that suitable sound is rubbed The effects of wiping coefficient.Realize this function, this assembly rouge needs on ingredient containing antirust agent, the grain haveing excellent performance The suitable solid lubricant of diameter and physicochemical properties are stable, the enough solid-filling agent of mechanical strength.
In order to meet construction requirement of the modern large-scale or high-rise building project under long period, prior art lubricating grease is overcome Existing various defects during column crane mast section use is with dismantling need to develop a kind of salt spray test that meets and pass through Time (B grades)>1440h, four ball sintering loads>3089N, the requirement such as anti-fretting wear test<4.5mg, service life reach 2 years Seizing lubricating grease is prevented to the several years above long-life, to realize that tower crane pin shaft smoothly can be assembled and be disassembled.
Summary of the invention
The purpose of the present invention is the pin shaft dismantling for being that prior art lubricating grease is overcome to occur after the assembly of tower crane standard component Difficult defect, and provide it is a kind of in 2 years to the construction period more than several years, can remain good antirust, it is corrosion-resistant, Control the long-life for the performances such as seizing that rub, resist prevents seizing lubricant composition, to realize the normal assembly of pivot pin and tear open Solution.
Complex calcium sulfonate grease is a kind of novel grease product, long alkyl chain sulfoacid calcium contained in system Salt has excellent rust-preventing characteristic, and contained nanometer grade calcium carbonate particle has good anti-attrition, anti-scuffing function.With compound sulphur Sour calcium grease is basic rouge, further compound antioxidant, antirust agent, solid lubricant, tackifier, and has chemical inertness Filler, it is available it is a kind of have the characteristics that anti-corrosion, the long-life of anti scuffing, anti stick prevents seizing grease composition Object.
Long-life provided by the invention prevents seizing lubricant composition, then is compounded using calcium sulfonate complex grease as carrier The different types additive such as antioxygen and metal deactivator, antirust agent, solid lubricant, solid-filling agent, tackifier and obtain.With group On the basis of closing object gross weight, each component content are as follows:
On the basis of preferred composition gross weight, each component content are as follows:
Lubricant composition provided by the invention, the calcium sulfonate complex grease be by calcium sulfonate with high base number by conversion, Techniques and the manufactured commercially available industrial goods such as saponification, high temperature refining, post-processing, including No. 1 and No. 2 two trades mark, it is desirable that dropping point is big In 260 DEG C.
Lubricant composition provided by the invention, the antioxidant and metal deactivator include benzotriazole derivative (petroleum Additive unifies code name T551) or thiadiazoles derivative (petroleum additive unifies code name T561), it is commercially available industrial goods.
Lubricant composition provided by the invention, the antirust agent, which refers to, has adaptability for Atmospheric Condition Metal soap rust-inhibiting additive, including dinonylnaphthalene sulfonic acid calcium or dinonylnaphthalene sulfonic acid zinc are commercially available industrial goods.
Lubricant composition provided by the invention, the solid lubricant be with layer structure, it is intermolecular have low cut The metal sulfide powdery solid of shearing stress, including molybdenum disulphide powder or curing tungsten powder are natural molybdenum ore or tungsten ore through chemistry Purification such as crushes at techniques and the manufactured industrial goods.It is required that fineness < 10 μm, preferably < 5 μm.
Lubricant composition provided by the invention, the solid-filling agent are that have metal compared with strong affinity, and be stale-proof Lose the metal oxide powdery solid of metal surface, including titanium dioxide (chemical name titanium dioxide) or ceramic (mainly at Dividing is silica and aluminum oxide), it is commercially available industrial goods.It is required that 320 screen residue < 0.3%, preferably < 0.1%.
Lubricant composition provided by the invention, the tackifier are hydrogenated styrene-diene polymer (abbreviation HSD), For commercially available industrial goods.It is required that molecular weight is greater than 105。
Production method of the invention are as follows: first put into calcium sulfonate complex grease in kettle, stirring heating.When temperature reaches 75 Antioxidant and metal deactivator, antirust agent, solid lubricant, solid-filling agent and tackifier is added in sequence at~125 DEG C.It stirs Go out kettle after mixing 10~30min.Grinding three times with three-roller is finished product.
The present invention prevents seizing lubricant composition a kind of obtained long-life, is with common calcium sulfonate complex grease to carry Body adds the multiple functions such as antioxidant and metal deactivator, antirust agent, solid lubricant, solid-filling agent and tackifier Additive, and a kind of manufactured long-life with excellent antiseptic and rustproof, anti-attrition and seizure-resistant ability prevents seizing grease composition Object.Benzotriazole derivative (T551) or thiadiazoles derivative (T561) kind antioxidant and metal deactivating additive, are a kind of multiple-effect Additive also has the performances such as metal passivation, anti-attrition, the catalysis of the metals such as copper, iron can be effectively suppressed in addition to antioxygen property Effect.Antirust agent is added in calcium sulfonate complex grease can play reinforcing effect, that is, pass through contained calcium sulfonate with high base number in system It with effective the compounding of added metal soap antirust agent, is further promoted and improves rust-proof effect, so as to more effectively overcome construction existing The influence of the complex dielectrics environment such as rainwater, cement, sand and dust, corrosive gas in, and then workpiece is avoided to be situated between in long-time corrosion Serious corrosion occurs under matter environment.Solid lubricant especially molybdenum disulfide and tungsten disulfide have unique layer structure, than Graphite has lower coefficient of friction, can change the andfrictional conditions between metal contact surface under the conditions of static or fine motion.Solid-filling Agent such as titanium dioxide, ceramic etc., it is more stronger than calcium carbonate, talcum powder with the affinity of metal, under high pressure, high-load condition, Can substantially effectively isolating metal, can prevent component from generating seizing phenomenon under the conditions of fine motion with solid lubricant compound use. Lubricating grease can be improved to the adhesiveness of metal in SHD, is conducive to improve water resistant rinse capability, improves protective performance.Pass through above-mentioned group Point compounded combination, finally obtained a kind of Multifunctional blockage-preventing and stung lubricant composition.
Lubricating grease of the invention has water resistant, antiseptic and rustproof, anti-attrition, seizure-resistant and other effects, can significantly delay component Corrosion and the rate of wear prevent from getting rusty, the generation of seizing phenomenon, realize that column crane mast section pivot pin is smoothly assembled and torn open Solution can also be used for the smooth assembly and dismantling of the components such as lock screw, track bolt, fastener.
Specific embodiment
Embodiment 1:
Long-life prevents seizing lubricant composition, and component and mass percent are as follows:
(1) No. 2 calcium sulfonate complex grease 92.4%；
(2) T551 0.5%；
(3) dinonylnaphthalene sulfonic acid calcium 3.0%
(4) molybdenum disulphide powder 0.6%；
(5) titanium dioxide 2.7%；
(6) HSD 0.8%.
First by No. 2 calcium sulfonate complex greases (work cone penetration 242, unit 0.1mm) 924.0g investment kettle, stirring is risen Temperature.When temperature reaches 120 DEG C, T551 5.0g, dinonylnaphthalene sulfonic acid calcium 3.0g, molybdenum disulphide powder (fineness < 5 μm) is added in sequence 6.0g, titanium dioxide (320 screen residue < 0.1%) 2.7g and HSD 8.0g.21min is stirred, kettle can be gone out.It is ground with three-roller Mill three times are finished product.
Embodiment 2:
Long-life prevents seizing lubricant composition, and component and mass percent are as follows:
(1) No. 1 calcium sulfonate complex grease 91.2%；
(2) T561 0.6%；
(3) dinonylnaphthalene sulfonic acid zinc 2.8%；
(4) tungsten disulfide 1.3%；
(5) ceramic 3.4%；
(6) ceramic 0.7%.
First by No. 1 calcium sulfonate complex grease (work cone penetration 331, unit 0.1mm) 912g investment kettle, stirring is risen Temperature.When temperature reaches 118 DEG C, T5616.0g, dinonylnaphthalene sulfonic acid zinc 2.8g, tungsten disulfide (fineness < 5 μm) is added in sequence 1.3g, ceramic (320 screen residue < 0.1%) 3.4g and ceramic 7.0g.It is stirred for 18min, kettle can be gone out.With It is finished product that three-roller, which grinds three times,.
Embodiment 3:
Long-life prevents seizing lubricant composition, and component and mass percent are as follows:
(1) No. 2 calcium sulfonate complex grease 82.9%；
(2) T551 1.0%；
(3) dinonylnaphthalene sulfonic acid calcium 4.8%
(4) molybdenum disulfide 3.2%；
(5) ceramic 4.5%；
(6) HSD 3.6%.
First by No. 2 calcium sulfonate complex greases (work cone penetration 242, unit 0.1mm) 829.0g investment kettle, stirring is risen Temperature.When temperature reaches 95 DEG C, T551 10.0g, dinonylnaphthalene sulfonic acid calcium 48.0g, molybdenum disulfide (fineness < 10 μm) is added in sequence 32.0g, ceramic (320 screen residue < 0.3%) 45g and HSD 36.0g.It is stirred for 30min, kettle can be gone out.With three rollers It is finished product that machine, which grinds three times,.
Embodiment 4:
Long-life prevents seizing lubricant composition, and component and mass percent are as follows:
(1) No. 2 calcium sulfonate complex grease 97.5%；
(2) T561 0.3%；
(3) dinonylnaphthalene sulfonic acid zinc 0.6%
(4) tungsten disulfide 0.3%；
(5) titanium dioxide 1.0%；
(6) HSD 0.3%.
First by No. 2 calcium sulfonate complex greases (work cone penetration 242, unit 0.1mm) 975.0g investment kettle, stirring is risen Temperature.When temperature reaches 125 DEG C, T561 3.0g, dinonylnaphthalene sulfonic acid zinc 6.0g, tungsten disulfide (fineness < 10 μm) is added in sequence 3.0g, titanium dioxide (320 screen residue < 0.3%) 10.0g and HSD 3g.It is stirred for 10min, kettle can be gone out.It is ground with three-roller Mill three times are finished product.
Embodiment 5:
Long-life prevents seizing lubricant composition, and component and mass percent are as follows:
(1) No. 2 calcium sulfonate complex grease 96.9%；
(2) T561 0.4%；
(3) dinonylnaphthalene sulfonic acid calcium 0.8%
(4) tungsten disulfide 0.3%；
(5) ceramic 1.2；
(6) HSD 0.4%.
First by calcium sulfonate complex grease (work cone penetration 242, unit 0.1mm) 969.0g investment kettle, stirring heats up. When temperature reaches 114 DEG C sequence be added T561 4.0g, dinonylnaphthalene sulfonic acid calcium 8.0g, tungsten disulfide (fineness < 5 μm) 3.0g, Ceramic (320 screen residue < 0.1%) 12.0g and HSD 4.0g.It is stirred for 18min, kettle can be gone out.It is ground with three-roller Mill three times are finished product.
Embodiment 6:
Long-life prevents seizing lubricant composition, and component and mass percent are as follows:
(1) No. 1 calcium sulfonate complex grease 84.6%；
(2) T561 0.8%；
(3) dinonylnaphthalene sulfonic acid zinc 4.4%
(4) molybdenum disulfide 3.0%；
(5) titanium dioxide 4.0%；
(6) HSD 3.2%.
First by No. 1 calcium sulfonate complex grease (work cone penetration 331, unit 0.1mm) 846.0g investment kettle, stirring is risen Temperature.When temperature reaches 107 DEG C, T561 8.0g, dinonylnaphthalene sulfonic acid zinc 44.0g, molybdenum disulfide (fineness < 5 μm) is added in sequence 30.0g, titanium dioxide (320 screen residue < 0.1%) 40.0g and HSD 32.0g.It is stirred for 13min, kettle can be gone out.With three rollers It is finished product that machine, which grinds three times,.
Comparative example 1
For commercially available No. 1 universal lithium base rouge.
Comparative example 2
For commercially available No. 1 molybdenum disulfide lithium saponify.
Comparative example 3
For commercially available No. 0 Lithium-base grease.
Table 1
From the results shown in Table 1: the long-life provided by the invention prevents seizing lubricant composition, significantly improves anti- The performances such as rust, anti-attrition, seizure-resistant.Especially show as 12 times or more of salt spray test by the time for contrast product, anti-fine motion Wear test mass loss reduces about 48.2% or more, and four ball grinding defect diameters reduce 19.6% or more, four ball sintering load PD values 26.1% or more is improved, oxidation stability improves 17.8% or more.Large size or high-rise building for the construction period for 2 years or more For the tower crane of project, lubricating grease provided by the invention can avoid occurring under construction environment pin shaft caused by seizing get rusty It is difficult to disassemble problem, realizes that column crane mast section pivot pin is smoothly assembled and disassembled, simultaneously can be used for lock screw, iron The smooth assembly and dismantling of the components such as railway bolt, fastener.

Claims (7)

1. a kind of long-life prevents seizing lubricant composition, it is characterized in that each component percentage contains on the basis of composition gross weight Amount:
The calcium sulfonate complex grease includes No. 1 and No. 2 two trades mark, it is desirable that dropping point is greater than 260 DEG C；
The antirust agent is dinonylnaphthalene sulfonic acid calcium or dinonylnaphthalene sulfonic acid zinc；
The solid lubricant is molybdenum disulphide powder or curing tungsten powder, it is desirable that fineness < 10 μm；
The solid-filling agent is titanium dioxide or ceramic, it is desirable that 320 screen residue < 0.3%.
2. a kind of long-life described in claim 1 prevents seizing lubricant composition, it is characterized in that using composition gross weight as base Standard, each component percentage composition:
3. composition as claimed in claim 1 or 2, it is characterized in that the antioxidant and metal deactivator include that benzotriazole is derivative Object or thiadiazoles derivative.
4. composition as claimed in claim 1 or 2 is wanted it is characterized in that the tackifier is hydrogenated styrene-diene polymer Molecular weight is asked to be greater than 105。
5. composition as claimed in claim 1 or 2, it is characterized in that composition is used for the assembly of column crane mast section pivot pin With dismantling, service life was up to 2 years or more.
6. composition as claimed in claim 1 or 2, it is characterized in that composition is used for the assembly and dismantling of fastener.
7. composition as claimed in claim 1 or 2, it is characterized in that composition is for lock screw, the dress of track bolt With with dismantling.
CN201610875914.1A 2016-10-05 2016-10-05 A kind of long-life prevents seizing lubricant composition and preparation method Active CN106497636B (en)

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CN106939180B (en) * 2017-03-21 2018-10-30 科特龙流体科技（扬州）有限公司 Extreme-pressure anti-wear lubricating oil/fat composition and preparation method thereof
CN113930277A (en) * 2021-08-31 2022-01-14 江苏澳润新材料有限公司 Production process capable of improving fineness of calcium sulfonate complex base grease
CN114292684B (en) * 2022-03-08 2022-05-31 泰奥星（天津）有限公司 High-temperature-resistant lubricating grease, and preparation method and application thereof
CN115710527B (en) * 2022-11-14 2023-07-18 二重（德阳）重型装备有限公司 Anti-seizing agent for fastener and preparation method thereof

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CN102492527A (en) * 2011-11-15 2012-06-13 延安嘉盛石油机械有限责任公司 High temperature thread sealant for metal sealed oil casing joint and preparation technology thereof
CN104164289A (en) * 2014-08-05 2014-11-26 中国石油化工股份有限公司 Grease composition for assembling standard sections of tower crane and preparation method of grease composition

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CN1578825A (en) * 2001-10-29 2005-02-09 亨凯尔公司 Anti-seize composition in solid form
CN102492527A (en) * 2011-11-15 2012-06-13 延安嘉盛石油机械有限责任公司 High temperature thread sealant for metal sealed oil casing joint and preparation technology thereof
CN104164289A (en) * 2014-08-05 2014-11-26 中国石油化工股份有限公司 Grease composition for assembling standard sections of tower crane and preparation method of grease composition

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