CN108587741A - A kind of list lithium soap automotive lubricating reases and preparation method thereof - Google Patents

A kind of list lithium soap automotive lubricating reases and preparation method thereof Download PDF

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Publication number
CN108587741A
CN108587741A CN201711467595.1A CN201711467595A CN108587741A CN 108587741 A CN108587741 A CN 108587741A CN 201711467595 A CN201711467595 A CN 201711467595A CN 108587741 A CN108587741 A CN 108587741A
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China
Prior art keywords
lithium soap
reases
automotive lubricating
oil
agent
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CN201711467595.1A
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Chinese (zh)
Inventor
李嘉
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QINGDAO GUANGLIANDA PRECISION MACHINERY Co Ltd
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QINGDAO GUANGLIANDA PRECISION MACHINERY Co Ltd
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Priority to CN201711467595.1A priority Critical patent/CN108587741A/en
Publication of CN108587741A publication Critical patent/CN108587741A/en
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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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/087—Boron oxides, acids or 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
    • 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
    • C10M2203/102—Aliphatic fractions
    • C10M2203/1025—Aliphatic 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
    • C10M2205/022—Ethene
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/024—Propene
    • 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
    • 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
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40—Fatty vegetable or animal oils
    • C10M2207/402—Castor oils
    • 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
    • C10M2215/223—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
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
    • C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
    • C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
    • C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
    • C10M2219/066—Thiocarbamic type compounds
    • C10M2219/068—Thiocarbamate metal 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio derivatives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
    • C10M2227/061—Esters derived from boron
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy

Abstract

The invention belongs to technical field of lubricating grease, a kind of single lithium soap automotive lubricating reases and preparation method thereof are disclosed.The list lithium soap automotive lubricating reases include the component of following parts by weight：80~90 parts of base oil, 8~15 parts of fatty acid soaps thickening agent, 0.1~1 part of antioxidant, 0.2~1 part of antirust agent, 0.5~4 part of extreme pressure anti-wear additives, 0.5~2 part of boracic functional additive, 0.5~5 part of structural improvement agent.Single lithium soap automotive lubricating reases of the present invention improve the pump-conveying property of product, shorten the LUBRICATING GREASES period, reduce formulation cost under the premise of meeting 0,535 2003 extreme pressure compound lithium base grease performance requirements of SH/T.

Description

A kind of list lithium soap automotive lubricating reases and preparation method thereof
Technical field
The invention belongs to technical field of lubricating grease, and in particular to a kind of list lithium soap automotive lubricating reases and preparation method thereof.
Background technology
Single lithium soap refers to that a kind of aliphatic acid acid is reacted with metal hydroxides, and performance is relatively low, at low cost, production technology phase To simple.Automotive lubricating reases mostly use compound lithium soap at present.Compound lithium soap refers to two kinds of aliphatic acid acid and is reacted with metal hydroxides, Polymer acid is reacted with metal hydroxides generates metallic soap, and it is another that another low molecular acid reacts generation with metal hydroxides again A kind of outer soap, two kinds of soaps carry out compound again, eventually form compound soap, good product performance is of high cost, complex process.
Automotive lubricating reases product mostly uses GB/T 5671-2014 Universal automobile complex lithium grease standards, the mark at present The lower grease dropping point of standard is relatively low, and is not directed to extreme pressure and wear-resistant requirement, thus is difficult to meet commercial car lubricating grease length and changes fat week The needs of phase.And the high dropping point grease SH/T 0535-2003 extreme pressure compound lithium base greases that commercial car generally uses, although Performance disclosure satisfy that the requirement of high temperature resistant and extreme-pressure anti-wear, but the generation period is long, formulation cost is high, pump-conveying property is poor, serious to make About the popularization of this kind of product.Especially as the development of electric vehicle, lithium hydroxide price will also persistently rise, and traditional can The grease product for meeting SH/T 0535-2003 standards is faced with huge pressure.
Invention content
Invention provides a kind of commercial single lithium soap vehicle lubricating grease of novel high temperature resistant, which is meeting SH/T 0535- Under the premise of 2003 performance requirements, opposite complex lithium reduces lubricating grease formulation cost, shortens the production cycle, improves simultaneously The pump-conveying property of product.
Technical scheme is as follows：
The present invention provides a kind of single lithium soap automotive lubricating reases, includes the component of following parts by weight：
Base oil：80~90 parts
Fatty acid soaps thickening agent：8~15 parts
Antioxidant：0.1~1 part
Antirust agent：0.2~1 part
Extreme pressure anti-wear additives：0.5~4 part
Boracic functional additive：0.5~2 part
Structural improvement agent：0.5~5 part.
The fatty acid soaps thickening agent is the product after aliphatic acid is reacted with metal hydroxides, and the aliphatic acid is tristearin Any one in acid, ten dihydroxystearic acids and rilanit special, the metal hydroxides is solid-state monohydrate lithium hydroxide Or liquid anhydrous lithium hydroxide dispersion.
Preferably, the base oil is one or more of paraffine base crude oil, naphthene base crude oil or Synthin.
Preferably, the antioxidant is one in amine, phenols or zinc dialkyl dithiophosphate class compound Kind is several.
Preferably, the aminated compounds is one or more of diphenylamines, octyl diphenylamine or N- phenyl-alpha-naphthylamines.
Preferably, the extreme pressure anti-wear additives are olefine sulfide, sulfurized olefin cotton oil, aminothio ester, sulfurized fatty, phosphorus Sour front three phenolic ester, zinc dialkyl dithiophosphate, zinc dialkyl dithiocarbamate or antimony dialkyl-dithiocarbamate One or more of.
Preferably, the boracic functional additive is borate, borate alkylammonium salt or one kind or several in borate Kind.
Preferably, the structural improvement agent is modified ethylene propylene copolymer, polyphosphazene polymer isobutene or hydrogenated styrene One or more of isoprene copolymers.
The present invention also provides the preparation methods of above-mentioned automotive lubricating reases, include the following steps：By the base oil and institute The mixing of fatty acid soaps thickening agent is stated, premix is obtained；At 80~100 DEG C, the premix anti-oxidant is added with described Agent, antirust agent, extreme pressure anti-wear additives, boracic functional additive and structural improvement agent mixing is added to be lubricated after being homogenized or grinding Fat.
Preferably, the fatty acid soaps thickening agent is that aliphatic acid is obtained by the reaction with metal hydroxides；The premix Preparation method include the following steps：Part basis oil is mixed with aliphatic acid first, obtains mixture；Mixture is warming up to 80 ~90 DEG C of addition metal hydroxides, reacts 0.5~2 hour at 90~100 DEG C, are warming up to 150~160 DEG C, keep the temperature 30~ 60 minutes, then 180~220 DEG C are warming up to, remaining base oil cooling is added, obtains the premix.
Compared with the prior art, the advantages of the present invention are as follows：
Single lithium soap automotive lubricating reases of the present invention are wanted meeting SH/T 0535-2003 extreme pressure compound lithium base grease performances Under the premise of asking, the pump-conveying property of product is improved, the LUBRICATING GREASES period is shortened, reduces formulation cost.
Specific implementation mode
The present invention provides a kind of single lithium soap automotive lubricating reases, which is not limited to be applied to commercial car, while also may be used Suitable for various commercial Applications.The automotive lubricating reases of the present invention include the component of following parts by weight：
Base oil：80~90 parts
Fatty acid soaps thickening agent：8~15 parts
Antioxidant：0.1~1 part
Antirust agent：0.2~1 part
Extreme pressure anti-wear additives：0.5~4 part
Boracic functional additive：0.5~2 part
Structural improvement agent：0.5~5 part.
In the present invention, in terms of parts by weight, base oil accounts for 80 parts~90 parts, preferably 82~88 parts, more preferably 83~ 85 parts.The base oil of the present invention refers to grease base plinth material or basestocks concoction, by single manufacturer according to identical rule Lattice produce (independent of feed source or the place of manufacturer)；Meet the specification of same manufacturer；And by being uniquely formulated, producing Product identification code or the two are identified.In the present invention, base oil can be in paraffine base crude oil, naphthene base crude oil or Synthin One or more, such as 500SN, K10H, PAO10.When if two or more mixtures, the present invention is to each basis in mixture The mixed proportion of oil does not limit, arbitrary proportion.The present invention does not have particular/special requirement to the source of base oil and type, can be with Be it is any be currently known or find later for just any and all such be applied to prepare grease base plinth oil, such as application In engine oil, marine cylinder oil, functional liquid such as hydraulic oil, gear oil, transmission oil etc..Those skilled in the art can pass through routine Technology makes proper amount of other additives disclosed by the invention prepare lubricating grease of the invention jointly with base oil.
In the present invention, in terms of parts by weight, containing 8~15 parts of fatty acid soaps thickening agent, preferably 9~13 parts, more preferably It is 10~11 parts.In the present invention, the fatty acid soaps thickening agent is the product after aliphatic acid is reacted with metal hydroxides.It is described Aliphatic acid is any one in stearic acid, ten dihydroxystearic acids and rilanit special, and the metal hydroxides is solid-state Monohydrate lithium hydroxide or liquid anhydrous lithium hydroxide dispersion.The fatty acid soaps thickening agent of the present invention is for absorbing base oil shape At colloform texture.
It is more excellent containing 0.1~1 part of antioxidant, preferably 0.3~0.8 part in terms of parts by weight in the present invention It is selected as 0.5~0.6 part.In the present invention, the antioxidant is amine, phenols or zinc dialkyl dithiophosphate class chemical combination One or more of object.The amine antioxidant is preferably in diphenylamines, octyl diphenylamine or N- phenyl-alpha-naphthylamines One or more, the phenols antioxidant is preferably T501, Lubrizol 817, Irganox L135, described two Alkyl zinc dithiophosphate class antioxidant be preferably T202, T203, T204, Lubrizol 1395, Lubrizol677A.Antioxidant is added in lubricating grease improves product antioxygenic property.
In order to improve the protective of lubricating grease, prevents air, moisture etc. through lubrication adipose membrane, cause getting rusty for metal, Antirust agent is added into lubricating grease.In the present invention, in terms of parts by weight, containing 0.2~1 part of antirust agent, preferably 0.3~ 0.8%, more preferably 0.5~0.6 part.The present invention adds antirust agent in lubricating grease improves product rustless property.The present invention couple The type of antirust agent is not particularly limited, preferably benzotriazole, barium mahogany sulfonate, dinonyl naphthalene sulfonate barium, department benzene -80, Dodecenylsuccinic acid.
In single Lithium soap grease of the present invention, extreme pressure anti-wear additives addition is larger, but dosage is excessively high and can destroy lubricating grease Colloid stability, therefore the additive amount of extreme pressure anti-wear additives needs within limits.In the present invention, in terms of parts by weight, contain There are 0.5~4 part of extreme pressure anti-wear additives, more preferably 1~3 part.The extreme pressure anti-wear additives are preferably olefine sulfide, olefine sulfide cottonseed Oil, aminothio ester, sulfurized fatty, tricresyl phosphate, zinc dialkyl dithiophosphate, zinc dialkyl dithiocarbamate Or one or more of antimony dialkyl-dithiocarbamate, improve product extreme pressure and antiwear behavior.
In the present invention, in terms of parts by weight, contain 0.5~2 part of boracic functional additive, more preferably 1~1.5 part.Institute It is one or more of borate, borate alkylammonium salt or borate to state boracic functional additive, improves product high temperature resistant Performance.
In the present invention, in terms of parts by weight, containing 0.5~5 part of structural improvement agent, preferably 1~4 part, more preferably 2~ 3 parts.Structural improvement agent of the present invention is mainly used for improving product stability energy, adhesion property and water repelling property.The structure Improver is preferably one kind in modified ethylene propylene copolymer, polyphosphazene polymer isobutene or hydrogenated styrene isoprene copolymers Or it is several.
The present invention also provides the preparation methods of above-mentioned single Lithium soap grease, first by the base oil and the fatty acid soaps Thickening agent mixes, and obtains premix；At 80~100 DEG C, the premix is mixed with remaining additive, is homogenized or grinds After mill, lubricating grease is obtained.
Preferably, the fatty acid soaps thickening agent is that aliphatic acid is obtained by the reaction with metal hydroxides, the mixture Preparation method includes the following steps：Part basis oil is mixed with aliphatic acid first, obtains mixture；Mixture is warming up to 80~ 90 DEG C of addition metal hydroxides, react 0.5~2 hour at 90~100 DEG C, are warming up to 150~160 DEG C, keep the temperature 30 minutes, It is warming up to 200 DEG C again, remaining base oil cooling is added, obtains the premix.
Below in conjunction with the embodiment of the present invention, technical scheme of the present invention is clearly and completely described, it is clear that Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The scope of protection of the invention.
The product of following producer is selected in following embodiments of the present invention, but is not limitation of the present invention.
500SN base oils：40 DEG C of kinematic viscosity 100cSt, producer such as Exxon Mobil Corporation, Sinopec, Chinese stone Oil.
Aliphatic acid：Ten dihydroxystearic acids, rilanit special, such as logical magnificent castor-oil plant chemical industry Co., Ltd of producer；It is stearic Acid, producer such as benefit Hai Jiali.
Antioxidant：T501, T202, T203, T204, the safe lube oil additive company in producer such as Jinzhou； Lubrizol817, Lubrizol 1395, Lubrizol 677A, producer such as Lubrizol Corporation；Irganox L135, such as BASF joint-stock company of producer.
Antirust agent：Benzotriazole T706, barium mahogany sulfonate T701, department's benzene -80, producer's such as limited public affairs of Zibo favour China chemical industry Department；Dinonyl naphthalene sulfonate barium T705, such as Suzhou specialty oil factory of producer；Dodecenylsuccinic acid T746, producer such as Wuxi south Petroleum additive Co., Ltd.
Extreme pressure anti-wear additives：Olefine sulfide Anglamol 33, Lubrizol 5340MW, producer such as Lubrizol Corporation；Sulfurized olefin cotton oil T405, such as Changsha Wangcheng petrochemical industry Co., Ltd of producer；Aminothio ester T323, Such as Jinzhou Yu Chen Fine Chemical Co., Ltd of producer；Sulfurized fatty Lubrizol 5346, producer such as Lubrizol Corporation；Tricresyl phosphate T306, such as Zibo Hui Hua Chemical Co., Ltd.s of producer；Zinc dialkyl dithiophosphate Lubrizol 1395, Lubrizol677A, producer such as Lubrizol Corporation.
Boracic functional additive：Lubrizol 5370C、Lubrizol 5470、Lubrizol 746、Lubrizol 935, producer such as Lubrizol Corporation.
Structural improvement agent：Lubrizol 2002D, 7306 Lubrizol, Lubrizol 3229, producer such as Lubrizol Corporation；PIB2400, such as Jinzhou Jing Lian lube oil additives Co., Ltd of producer.
Embodiment 1：
By 1200g 500SN base oils and ten dihydroxystearic acids of 300g, 90 DEG C are warming up to, monohydrate lithium hydroxide water is added Solution (monohydrate lithium hydroxide 42g, water 360g) reacts 1 hour at 100 DEG C.150 DEG C are to slowly warm up to, keeps the temperature 30 minutes.Quickly 200 DEG C are warming up to, the cooling of 1200g 500SN base oils is added.Continue to be cooled to 90 DEG C, following functional additive is added：N- benzene Base-αnaphthylamine 12g, zinc dialkyl dithiophosphate 33g, hydrogenated styrene isoprene copolymers 120g, olefine sulfide 33g, boric acid Ester 33g, phenylpropyl triazole 10g are homogenized after mixing through homogenizer to obtain single Lithium soap grease.
Embodiment 2
By 1200g 500SN base oils and 260g rilanit specials, 85 DEG C are warming up to, monohydrate lithium hydroxide aqueous solution is added (monohydrate lithium hydroxide 36.4g, water 360g) reacts 1 hour at 90 DEG C.155 DEG C are to slowly warm up to, keeps the temperature 50 minutes.Quickly rise The cooling of 1200g 500SN base oils is added to 180 DEG C in temperature.Continue to be cooled to 80 DEG C, following functional additive is added：Diphenylamines 7.2g, zinc dialkyl dithiophosphate 12g, polyphosphazene polymer isobutene 70g, aminothio ester 24g, borate alkylammonium salt 36g, Phenylpropyl triazole 7g is blended in grinding on three-roll grinder and obtains single Lithium soap grease.
Embodiment 3
By 1200g 500SN base oils and 360g stearic acid, 80 DEG C are warming up to, it is (single that monohydrate lithium hydroxide aqueous solution is added Water lithium hydroxide 50.4g, water 360g), it is reacted 1 hour at 95 DEG C.160 DEG C are to slowly warm up to, keeps the temperature 40 minutes.Be rapidly heated to 220 DEG C, the cooling of 1200g 500SN base oils is added.Continue to be cooled to 100 DEG C, following functional additive is added：Octyl diphenylamine 18g, zinc dialkyl dithiophosphate 36g, modified ethylene propylene copolymer 96g, zinc dialkyl dithiocarbamate 36g, boron Hydrochlorate 24g, phenylpropyl triazole 18g mixing, homogenizing obtains single Lithium soap grease on homogenizer.
Comparative example
By 1200g 500SN base oils and 380g12 hydroxy stearic acids, 80 DEG C are warming up to, it is water-soluble that monohydrate lithium hydroxide is added Liquid (monohydrate lithium hydroxide 71.2g, water 380g) reacts 1 hour at 95-105 DEG C.127g decanedioic acid is added, stirring adds to dissolving Enter monohydrate lithium hydroxide aqueous solution (monohydrate lithium hydroxide 71.2g, water 380g), reacts 1 hour, be to slowly warm up at 95-105 DEG C 160 DEG C, keep the temperature 40 minutes.Octyl diphenylamine 20g is added, is rapidly heated to 220 DEG C, the cooling of 1200g500SN base oils is added. Continue to be cooled to 160 DEG C, modified ethylene propylene copolymer 96g, phenylpropyl triazole 18g, barium mahogany sulfonate 10g continues to be cooled to 100 DEG C, following additive is added：Aminothio ester 24g, borate 36g, mixing, homogenizing obtains complex lithium profit on homogenizer Consistent lubricant.
To Examples 1 to 3 and and comparative example in complex lithium PERFORMANCE OF GREASES be measured, measurement result is shown in Table 1.
The PERFORMANCE OF GREASES of 1 lubricating grease of the present invention of table and the prior art compares
As can be seen from Table 1, single Lithium soap grease of the invention disclosure satisfy that the performance requirement of SH/T 0535-2003, and And the cost reduction of lubricating grease formula, opposite complex lithium lubricating oil is per ton to reduce by 3000 yuan or so, and the production cycle was contracted by 14 hours It is as short as 9 hours, meanwhile, similar viscosity decreases with respect to complex lithium, to improve the pump-conveying property of product.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include Within protection scope of the present invention.

Claims (9)

1. a kind of list lithium soap automotive lubricating reases, which is characterized in that include the component of following parts by weight：
Base oil：80~90 parts
Fatty acid soaps thickening agent：8~15 parts
Antioxidant：0.1~1 part
Antirust agent：0.2~1 part
Extreme pressure anti-wear additives：0.5~4 part
Boracic functional additive：0.5~2 part
Structural improvement agent：0.5~5 part；
The fatty acid soaps thickening agent be aliphatic acid reacted with metal hydroxides after product, the aliphatic acid be stearic acid, Any one in ten dihydroxystearic acids and rilanit special, the metal hydroxides be solid-state monohydrate lithium hydroxide or Liquid anhydrous lithium hydroxide dispersion.
2. list lithium soap automotive lubricating reases according to claim 1, which is characterized in that the base oil is paraffine base crude oil, ring One or more of alkyl oil or Synthin.
3. list lithium soap automotive lubricating reases according to claim 1, which is characterized in that the antioxidant be amine, One or more of phenols or zinc dialkyl dithiophosphate class compound.
4. list lithium soap automotive lubricating reases according to claim 3, which is characterized in that the aminated compounds be diphenylamines, One or more of octyl diphenylamine or N- phenyl-alpha-naphthylamines.
5. list lithium soap automotive lubricating reases according to claim 1, which is characterized in that the extreme pressure anti-wear additives are vulcanization alkene Hydrocarbon, sulfurized olefin cotton oil, aminothio ester, sulfurized fatty, tricresyl phosphate, zinc dialkyl dithiophosphate, dialkyl group One or more of zinc dithiocarbamate or antimony dialkyl-dithiocarbamate.
6. list lithium soap automotive lubricating reases according to claim 1, which is characterized in that the boracic functional additive is boric acid One or more of ester, borate alkylammonium salt or borate.
7. list lithium soap automotive lubricating reases according to claim 1, which is characterized in that the structural improvement agent is ethene improved One or more of propylene copolymer, polyphosphazene polymer isobutene or hydrogenated styrene isoprene copolymers.
8. the preparation method of claim 1~7 single lithium soap automotive lubricating reases, which is characterized in that include the following steps：By institute It states base oil to mix with the fatty acid soaps thickening agent, obtains premix；At 80~100 DEG C, by the premix with The antioxidant, antirust agent, extreme pressure anti-wear additives, boracic functional additive and structural improvement agent mixing, homogenizing or grinding Afterwards, lubricating grease is obtained.
9. preparation method according to claim 8, which is characterized in that the fatty acid soaps thickening agent is aliphatic acid and metal Hydroxide is obtained by the reaction；The preparation method of the premix includes the following steps：First part basis oil is mixed with aliphatic acid It closes, obtains mixture；Mixture is warming up to 80~90 DEG C of addition metal hydroxides, 0.5~2 is reacted at 90~100 DEG C Hour, 150~160 DEG C are warming up to, keeps the temperature 30 minutes, then be warming up to 200 DEG C, remaining base oil cooling is added, obtains described pre- Mixture.
CN201711467595.1A 2017-12-29 2017-12-29 A kind of list lithium soap automotive lubricating reases and preparation method thereof Pending CN108587741A (en)

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CN109913286A (en) * 2019-04-28 2019-06-21 南通润博润滑油有限公司 A kind of preparation method of intelligence machine person joint and the dedicated long-life lubricating grease of bearing
CN110257133A (en) * 2019-07-03 2019-09-20 浙江摩路新材料有限公司 A kind of preparation method of Esters oil lithium base grease
CN110669577A (en) * 2019-10-17 2020-01-10 西安玛珂特新材料科技股份有限公司 Special grease for petroleum equipment and synthetic method thereof
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CN115851340A (en) * 2022-11-10 2023-03-28 江苏龙蟠科技股份有限公司 Preparation method of high-dropping-point single lithium soap lubricating grease

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