CN108659914A - Thick oil - Google Patents

Thick oil Download PDF

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Publication number
CN108659914A
CN108659914A CN201810785069.8A CN201810785069A CN108659914A CN 108659914 A CN108659914 A CN 108659914A CN 201810785069 A CN201810785069 A CN 201810785069A CN 108659914 A CN108659914 A CN 108659914A
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China
Prior art keywords
butyl
ester
parts
molybdenum
organic
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CN201810785069.8A
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Chinese (zh)
Inventor
叶文贤
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Kunshan Zhong Run Mdt Infotech Ltd
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Kunshan Zhong Run Mdt Infotech Ltd
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Priority to CN201810785069.8A priority Critical patent/CN108659914A/en
Publication of CN108659914A publication Critical patent/CN108659914A/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
    • C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
    • C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
    • C10M145/12—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
    • C10M145/14—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • 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
    • C10M2201/08—Inorganic acids or salts thereof
    • C10M2201/081—Inorganic acids or salts thereof containing halogen
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • C10M2207/2825—Esters of (cyclo)aliphatic oolycarboxylic acids 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/086—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type polycarboxylic, e.g. maleic acid
    • 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
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index
    • 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
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants

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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

Thick oil of the present invention, including 50~55 parts of polyalphaolefin PAO4,18~27 parts of polyalphaolefin PAO6,12~18 parts of hexanedioic acid esters, 0.2~0.6 part of pour-point depressant T248,7~8 part of 55501 additive, 5~10 parts of organic molybdenum additives and 9^7 parts of viscosity index improvers；Viscosity index improver is to generate binary polymer with maleic anhydride, vinylacetate or methyl methacrylate polymerization afterwards by direct esterification synthesizing methyl acrylic acid high-carbon ester, and rear addition first class acrylate long-chain ester or maleic anhydride are copolymerized acquisition again.

Description

Thick oil
Technical field
The present invention relates to chemical industry grease and preparation method thereof technical field, more particularly to lubricating oil and preparation method thereof, specifically , show a kind of thick oil.
Background technology
The lubricant by-product that the oxygen in by air, fuel combustion generate in use is (sulfur-containing compound, nitrogenous Compound etc.), the catalytic action of high temperature and some metals etc., it may occur that a series of oxidations, polymerization such as decompose at the chemical changes, Cause to generate a series of consequences, such as burn into oil viscosity changes, generates paint film and greasy filth；Oxidation is lubricant deterioration deterioration The main reason for, it substantially reduces the service life of lubricant；Lubricating oil viscosity also influences the use of lubricating oil simultaneously.
Lubricating oil viscosity is too low, is easy by knockout press when can not play good adhesive effect during use, while use It is big with consumption using body.
Therefore, it is necessary to provide a kind of thick oil to solve the above problems.
Invention content
The object of the present invention is to provide a kind of thick oils.
Technical solution is as follows：
A kind of thick oil, including 50~55 parts of polyalphaolefin PAO4,18~27 parts of polyalphaolefin PAO6,12~18 parts Two acid esters, 0.2~0.6 part of pour-point depressant T248,7~8 part of 55501 additive, 5~10 parts of organic molybdenum additives and 9^7 parts Viscosity index improver；
Viscosity index improver be by direct esterification synthesizing methyl acrylic acid high-carbon ester, afterwards with maleic anhydride, vinyl acetate Ester or methyl methacrylate polymerization generate binary polymer, rear that first class acrylate long-chain ester or maleic anhydride is added again altogether It is poly- to obtain.
Further, organic molybdenum additive is configured to：The antioxidant of 30%-75%, 7% ~ 12% extreme pressure agent and remaining The organic-molybdenum of component；Antioxidant can inhibit the oxidation process of oil product, catalytic action of the passive metal to oxidation to play extension Oil product uses and protects the purpose of machine；Extreme pressure agent can make lubricant in low speed high load or high speed impact load friction condition Under, i.e., prevent rubbing surface from sintering, scratch occurs under the conditions of so-called extreme pressure；Organic-molybdenum under localized hyperthermia's condition of high voltage with Wear surface acts on, and micro-bulge is rolled generation plastic deformation, and groove, rough friction are filled and led up by micro- theomorphism Surface is formed more smooth friction surface by break-in again, i.e., has a degree of repair to friction perished surface, to Reduce abrasion.
Further, the antioxidant is 2,4,6- tri-butyl-phenols, 2,6- di-t-butyl -4- nonyl phenols, 2,6- bis- Butylated Hydroxytoluene, iso-octyl -3- (3,5 di-t-butyls-hydroxy phenyl) propionic ester, β-(3,5- di-t-butyl -4- hydroxy benzenes Base) propionic acid isoctanol ester, one or both of β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol ester with On mixture.
Further, the antioxidant is 2,4,6- tri-butyl-phenols, 2,6- di-t-butyl -4- nonyl phenols, 2,6- bis- Butylated Hydroxytoluene, iso-octyl -3- (3,5 di-t-butyls-hydroxy phenyl) propionic ester, β-(3,5- di-t-butyl -4- hydroxy benzenes Base) propionic acid isoctanol ester, three kinds or more of mixing in β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol ester Object, wherein 2,6-di-tert-butyl p-cresol, β-(3,5- di-t-butyl -4- hydroxy phenyls) propionic acid isoctanol esters and β-must be contained (3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol ester.
Further, the organic-molybdenum is two (2- ethylhexyls) molybdenum dithiophosphates or vulcanization dialkyl dithio ammonia Base formic acid oxygen molybdenum.
A kind of thick oil technique, includes the following steps：
1）50~55 parts of polyalphaolefin PAO4,18~27 parts of polyalphaolefin PAO6,12~18 parts of hexanedioic acid ester mixing, are then added 0.2~0.6 part of pour-point depressant T248, is heated to 55~60 DEG C；
2）Prepare viscosity index improver, viscosity index improver be by direct esterification synthesizing methyl acrylic acid high-carbon ester, Binary polymer is generated with maleic anhydride, vinylacetate or methyl methacrylate polymerization afterwards, rear addition first class acrylic acid is long Chain ester or maleic anhydride are copolymerized acquisition again,
3）Viscosity index improver is added, rear insulated and stirred to kinematic viscosity and pour point are up to standard, continue to keep the temperature；
3）Be added 7~8 part of 55501 additive, after continue to stir
3）Prepare organic molybdenum additive：By the antioxidant of 30%-75%, 7% ~ 12% extreme pressure agent and remaining component it is organic Molybdenum mixes, and heats, stirring, and the temperature of the heating is 50~70 DEG C；The time of the stirring is 30~60min；
4）Addition prepares organic molybdenum additive, is stirred fusion；
5）Nanometer lanthanum fluoride additive is prepared, and stirring fusion is added.
6）It at the uniform velocity stirs, and in being heated to 62~66 DEG C, subsequent continuation of insurance temperature 30min in 10min, and obtains finished product.
Further, mixing speed 960r/min.
Further, it is stirred with the air-cooled portable air compressor of three-level.
Further, (100 DEG C) of kinematic viscosity is (12.5~16.3) mm2/s, while pour point is not higher than -40 DEG C, as It is up to standard.
Further, nanometer lanthanum fluoride additive uses ethanol-water solution as reaction medium, and ethyl alcohol is 3 with water volume ratio: 1, and include coating material and lanthanum fluoride；Coating material is 2 with lanthanum fluoride molar ratio:1；It synthesizes and receives in alcohol-water system The Property of Capped Inorganic Nanoparticles average grain diameter that rice lanthanum fluoride additive includes is 10m or so, and without apparent agglomeration.
Further, coating material is that dioctyl two is thio（Slightly）DDPPY), two is pungent（Slightly）Dicyclohexyl amine salt (DDPDA), the double β ethoxy octadecylamine salt of dioctyl phosphordithiic acid T152 salt (DDPT152), dioctyl phosphordithiic acid (DDPE18A) or one of double β ethoxy octadecylamine salt (OAE18A) of oleic acid or in which three be composed.
Further, organic molybdenum additive is configured to：The antioxidant of 30%-75%, 7% ~ 12% extreme pressure agent and remaining The organic-molybdenum of component；Antioxidant can inhibit the oxidation process of oil product, catalytic action of the passive metal to oxidation to play extension Oil product uses and protects the purpose of machine；Extreme pressure agent can make lubricant in low speed high load or high speed impact load friction condition Under, i.e., prevent rubbing surface from sintering, scratch occurs under the conditions of so-called extreme pressure；Organic-molybdenum under localized hyperthermia's condition of high voltage with Wear surface acts on, and micro-bulge is rolled generation plastic deformation, and groove, rough friction are filled and led up by micro- theomorphism Surface is formed more smooth friction surface by break-in again, i.e., has a degree of repair to friction perished surface, to Reduce abrasion.
Further, the antioxidant is 2,4,6- tri-butyl-phenols, 2,6- di-t-butyl -4- nonyl phenols, 2,6- bis- Butylated Hydroxytoluene, iso-octyl -3- (3,5 di-t-butyls-hydroxy phenyl) propionic ester, β-(3,5- di-t-butyl -4- hydroxy benzenes Base) propionic acid isoctanol ester, one or both of β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol ester with On mixture.
Further, the antioxidant is 2,4,6- tri-butyl-phenols, 2,6- di-t-butyl -4- nonyl phenols, 2,6- bis- Butylated Hydroxytoluene, iso-octyl -3- (3,5 di-t-butyls-hydroxy phenyl) propionic ester, β-(3,5- di-t-butyl -4- hydroxy benzenes Base) propionic acid isoctanol ester, three kinds or more of mixing in β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol ester Object, wherein 2,6-di-tert-butyl p-cresol, β-(3,5- di-t-butyl -4- hydroxy phenyls) propionic acid isoctanol esters and β-must be contained (3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol ester.
Further, the organic-molybdenum is two (2- ethylhexyls) molybdenum dithiophosphates or vulcanization dialkyl dithio ammonia Base formic acid oxygen molybdenum.
Compared with prior art, the lubricating oil that the present invention prepares gained has high antioxidant and high viscosity, ensures lubrication Routine use extends the service life of equipment simultaneously.
Specific implementation mode
Embodiment：
A kind of thick oil technique of the present embodiment, includes the following steps：
1）50~55 parts of polyalphaolefin PAO4,18~27 parts of polyalphaolefin PAO6,12~18 parts of hexanedioic acid ester mixing, are then added 0.2~0.6 part of pour-point depressant T248, is heated to 55~60 DEG C；
2）Prepare viscosity index improver, viscosity index improver be by direct esterification synthesizing methyl acrylic acid high-carbon ester, Binary polymer is generated with maleic anhydride, vinylacetate or methyl methacrylate polymerization afterwards, rear addition first class acrylic acid is long Chain ester or maleic anhydride are copolymerized acquisition again,
3）Viscosity index improver is added, rear insulated and stirred to kinematic viscosity and pour point are up to standard, continue to keep the temperature；
3）Be added 7~8 part of 55501 additive, after continue to stir
3）Prepare organic molybdenum additive：By the antioxidant of 30%-75%, 7% ~ 12% extreme pressure agent and remaining component it is organic Molybdenum mixes, and heats, stirring, and the temperature of the heating is 50~70 DEG C；The time of the stirring is 30~60min；
4）Addition prepares organic molybdenum additive, is stirred fusion；
5）Nanometer lanthanum fluoride additive is prepared, and stirring fusion is added.
6）It at the uniform velocity stirs, and in being heated to 62~66 DEG C, subsequent continuation of insurance temperature 30min in 10min, and obtains finished product.
Mixing speed is 960r/min.
It is stirred with the air-cooled portable air compressor of three-level.
(100 DEG C) of kinematic viscosity is (12.5~16.3) mm2/s, while pour point is not higher than -40 DEG C, as up to standard.
Nanometer lanthanum fluoride additive uses ethanol-water solution as reaction medium, and ethyl alcohol is 3 with water volume ratio:1, and include There are coating material and lanthanum fluoride；Coating material is 2 with lanthanum fluoride molar ratio:1；Nanometer lanthanum fluoride is synthesized in alcohol-water system The Property of Capped Inorganic Nanoparticles average grain diameter that additive includes is 10m or so, and without apparent agglomeration.
Coating material is that dioctyl two is thio（Slightly）DDPPY), two is pungent（Slightly）Dicyclohexyl amine salt (DDPDA), dioctyl two The double β ethoxy octadecylamine salt (DDPE18A) of D2EHDTPA T152 salt (DDPT152), dioctyl phosphordithiic acid or the double β of oleic acid One of ethoxy octadecylamine salt (OAE18A) or in which three be composed.
Organic molybdenum additive is configured to：The antioxidant of 30%-75%, 7% ~ 12% extreme pressure agent and remaining component have Machine molybdenum；Antioxidant can inhibit the oxidation process of oil product, catalytic action of the passive metal to oxidation to play and extend oil product use With the purpose of protection machine；Extreme pressure agent can make lubricant under low speed high load or high speed impact load friction condition, that is, exist Prevent rubbing surface from sintering, scratch occurs under the conditions of so-called extreme pressure；Organic-molybdenum under localized hyperthermia's condition of high voltage with wear surface Effect, micro-bulge are rolled generation plastic deformation, fill and lead up groove by micro- theomorphism, rough friction surface is again More smooth friction surface is formed by break-in, i.e., has a degree of repair to friction perished surface, to reduce mill Damage.
The antioxidant is 2,4,6- tri-butyl-phenols, 2,6- di-t-butyl -4- nonyl phenols, 2,6- di-t-butyls pair Cresols, iso-octyl -3- (3,5 di-t-butyls-hydroxy phenyl) propionic ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid are different The mixing of one or more of octanol ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol ester Object.
The antioxidant is 2,4,6- tri-butyl-phenols, 2,6- di-t-butyl -4- nonyl phenols, 2,6- di-t-butyls pair Cresols, iso-octyl -3- (3,5 di-t-butyls-hydroxy phenyl) propionic ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid are different Three kinds or more of mixture in octanol ester, β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester, wherein must Contain DBPC 2,6 ditertiary butyl p cresol, β-(3,5- di-t-butyl -4- hydroxy phenyls) propionic acid isoctanol esters and β-(bis- uncles of 3,5- Butyl -4- hydroxy phenyls) propionic acid n-octadecyl alcohol ester.
The organic-molybdenum is two (2- ethylhexyls) molybdenum dithiophosphates or vulcanization dialkyldithiocarbamacompositions oxygen Molybdenum.
Compared with prior art, the lubricating oil that the present invention prepares gained has high antioxidant and high viscosity, ensures lubrication Routine use extends the service life of equipment simultaneously.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to the protection model of the present invention It encloses.

Claims (5)

1. a kind of thick oil, it is characterised in that：Including 50~55 parts of polyalphaolefin PAO4,18~27 parts of polyalphaolefins PAO6,12~18 parts of hexanedioic acid esters, 0.2~0.6 part of pour-point depressant T248,7~8 part of 55501 additive, 5~10 parts of organic-molybdenums add Add agent and 9^7 parts of viscosity index improvers；
Viscosity index improver be by direct esterification synthesizing methyl acrylic acid high-carbon ester, afterwards with maleic anhydride, vinyl acetate Ester or methyl methacrylate polymerization generate binary polymer, rear that first class acrylate long-chain ester or maleic anhydride is added again altogether It is poly- to obtain.
2. a kind of thick oil according to claim 1, it is characterised in that：Organic molybdenum additive is configured to：30%- The organic-molybdenum of 75% antioxidant, 7%~12% extreme pressure agent and remaining component；Antioxidant can inhibit the oxygen of oil product Change process, catalytic action of the passive metal to oxidation are played and extend the purpose that oil product used and protected machine；Extreme pressure agent can make Lubricant prevents rubbing surface under low speed high load or high speed impact load friction condition under the conditions of so-called extreme pressure Sintering, scratch；Organic-molybdenum acts under localized hyperthermia's condition of high voltage with wear surface, and micro-bulge is rolled generation plastic deformation, Pair groove is filled and led up by micro- theomorphism, and rough friction surface is formed more smooth friction surface by break-in again, i.e., Friction perished surface has a degree of repair, to reduce abrasion.
3. a kind of thick oil according to claim 2, it is characterised in that：Organic molybdenum additive is configured to：It is described Antioxidant is 2,4,6- tri-butyl-phenols, 2,6- di-t-butyl -4- nonyl phenols, DBPC 2,6 ditertiary butyl p cresol, iso-octyl -3- (3,5 di-t-butyls-hydroxy phenyl) propionic ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid isoctanol ester, β-(3,5- Di-tert-butyl-hydroxy phenyl) one or more of propionic acid n-octadecyl alcohol ester mixture.
4. a kind of thick oil according to claim 3, it is characterised in that：Organic molybdenum additive is configured to：It is described Antioxidant is 2,4,6- tri-butyl-phenols, 2,6- di-t-butyl -4- nonyl phenols, DBPC 2,6 ditertiary butyl p cresol, iso-octyl -3- (3,5 di-t-butyls-hydroxy phenyl) propionic ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid isoctanol ester, β-(3,5- Di-tert-butyl-hydroxy phenyl) three kinds or more of mixture in propionic acid n-octadecyl alcohol ester, wherein 2,6-, bis- tertiary fourths must be contained Base paracresol, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid isoctanol esters and β-(3,5- di-tert-butyl-hydroxy phenyls) Propionic acid n-octadecyl alcohol ester.
5. a kind of thick oil according to claim 4, it is characterised in that：Organic molybdenum additive is configured to：It is described Organic-molybdenum is two (2- ethylhexyls) molybdenum dithiophosphates or vulcanization dialkyldithiocarbamacompositions oxygen molybdenum.
CN201810785069.8A 2018-07-17 2018-07-17 Thick oil Pending CN108659914A (en)

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Citations (3)

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Application publication date: 20181016