CN117487607B - High-viscosity oil-soluble polyether lubricating oil composition and preparation method thereof - Google Patents
High-viscosity oil-soluble polyether lubricating oil composition and preparation method thereof Download PDFInfo
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- CN117487607B CN117487607B CN202311444871.8A CN202311444871A CN117487607B CN 117487607 B CN117487607 B CN 117487607B CN 202311444871 A CN202311444871 A CN 202311444871A CN 117487607 B CN117487607 B CN 117487607B
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- lubricating oil
- viscosity
- oil composition
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 67
- 239000004721 Polyphenylene oxide Substances 0.000 title claims abstract description 55
- 229920000570 polyether Polymers 0.000 title claims abstract description 55
- 239000000203 mixture Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000002199 base oil Substances 0.000 claims abstract description 33
- 239000002131 composite material Substances 0.000 claims abstract description 28
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 27
- 239000003607 modifier Substances 0.000 claims abstract description 27
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 26
- 239000013556 antirust agent Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000013530 defoamer Substances 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 25
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 15
- 239000003921 oil Substances 0.000 claims description 12
- 235000019198 oils Nutrition 0.000 claims description 12
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229920002367 Polyisobutene Polymers 0.000 claims description 10
- 229960002317 succinimide Drugs 0.000 claims description 10
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 8
- 235000019484 Rapeseed oil Nutrition 0.000 claims description 8
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 7
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 7
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 7
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- YSIQDTZQRDDQNF-UHFFFAOYSA-L barium(2+);2,3-di(nonyl)naphthalene-1-sulfonate Chemical compound [Ba+2].C1=CC=C2C(S([O-])(=O)=O)=C(CCCCCCCCC)C(CCCCCCCCC)=CC2=C1.C1=CC=C2C(S([O-])(=O)=O)=C(CCCCCCCCC)C(CCCCCCCCC)=CC2=C1 YSIQDTZQRDDQNF-UHFFFAOYSA-L 0.000 claims description 6
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 6
- RMKNTZWZQFIOOB-UHFFFAOYSA-N n-butyl-2-octyl-n-phenylaniline Chemical compound CCCCCCCCC1=CC=CC=C1N(CCCC)C1=CC=CC=C1 RMKNTZWZQFIOOB-UHFFFAOYSA-N 0.000 claims description 6
- 229920000193 polymethacrylate Polymers 0.000 claims description 6
- FMNZBNCPTJEVDS-KVVVOXFISA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;(z)-octadec-9-enoic acid Chemical compound CCC(CO)(CO)CO.CCCCCCCC\C=C/CCCCCCCC(O)=O FMNZBNCPTJEVDS-KVVVOXFISA-N 0.000 claims description 5
- 239000012964 benzotriazole Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 claims description 5
- 239000010696 ester oil Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 229920002545 silicone oil Polymers 0.000 claims description 4
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 claims description 4
- 239000002518 antifoaming agent Substances 0.000 claims description 3
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 239000003112 inhibitor Substances 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 abstract description 17
- 230000003647 oxidation Effects 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 8
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 238000003860 storage Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 5
- AMTWCFIAVKBGOD-UHFFFAOYSA-N dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane Chemical group O=[Si]=O.CO[Si](C)(C)O[Si](C)(C)C AMTWCFIAVKBGOD-UHFFFAOYSA-N 0.000 description 4
- 229940083037 simethicone Drugs 0.000 description 4
- ATZHWSYYKQKSSY-UHFFFAOYSA-N tetradecyl 2-methylprop-2-enoate Chemical group CCCCCCCCCCCCCCOC(=O)C(C)=C ATZHWSYYKQKSSY-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000010711 gasoline engine oil Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OCKGFTQIICXDQW-ZEQRLZLVSA-N 5-[(1r)-1-hydroxy-2-[4-[(2r)-2-hydroxy-2-(4-methyl-1-oxo-3h-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-4-methyl-3h-2-benzofuran-1-one Chemical compound C1=C2C(=O)OCC2=C(C)C([C@@H](O)CN2CCN(CC2)C[C@H](O)C2=CC=C3C(=O)OCC3=C2C)=C1 OCKGFTQIICXDQW-ZEQRLZLVSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000010710 diesel engine oil Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000010716 motorcycle engine oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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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
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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- 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
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/16—Naphthenic acids
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
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- 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
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
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- C10M2207/40—Fatty vegetable or animal oils
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- 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
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- C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
- C10M2209/1055—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only used as base material
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- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/106—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms only
- C10M2209/1065—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms only used as base material
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- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
- C10M2209/1085—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified used as base material
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/086—Imides
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- 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
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- C10M2215/28—Amides; Imides
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- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
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- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
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- 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
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/04—Detergent property or dispersant property
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/08—Resistance to extreme temperature
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- 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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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/18—Anti-foaming property
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- 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
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Abstract
The invention belongs to the technical field of lubricating oil, and particularly relates to a high-viscosity oil-soluble polyether lubricating oil composition and a preparation method thereof. The invention provides a high-viscosity oil-soluble polyether lubricating oil composition, which comprises the following components in parts by weight: 80-100 parts of base oil, 3-8 parts of composite modifier, 2-5 parts of antioxidant, 0.2-3 parts of antirust agent and 0.001-0.005 part of defoamer. According to the high-viscosity oil-soluble polyether lubricating oil composition, the composite modifier, the antioxidant, the antirust agent and the defoamer are added into the base oil, so that the comprehensive performance of the prepared polyether lubricating oil composition can be effectively improved, the high-viscosity oil-soluble polyether lubricating oil composition has excellent performances such as high viscosity, high flash point and low pour point, good lubricating performance and oxidation resistance, and the oxidation process in production, storage, transportation and use can be effectively slowed down, so that the application field is wider.
Description
Technical Field
The invention belongs to the technical field of lubricating oil, and particularly relates to a high-viscosity oil-soluble polyether lubricating oil composition and a preparation method thereof.
Background
Internal combustion engines are a common power system and are widely used in vehicles such as automobiles, airplanes, ships and various generator sets. The lubricating oil for internal combustion engine is also called engine oil or crankcase oil for short, is a special lubricant for lubricating the internal combustion engine, and is mainly composed of gasoline engine oil, diesel engine oil, general oil, motorcycle engine oil and the like, and the consumption of the lubricating oil accounts for about 50% of the total amount of the lubricating oil, and is the type with highest technical content, highest consumption and fastest development in the lubricating oil.
The lubricating oil for internal combustion engine has the main functions of reducing friction, and the friction coefficient can be reduced by adding lubricant to the friction surface, so that the friction resistance is reduced and the energy consumption is saved. 2. The abrasion is reduced, namely the abrasion caused by abrasive particle abrasion, surface fatigue, adhesive abrasion and the like can be reduced between the friction surfaces by the lubricant. 3. The lubricant can absorb heat, transfer heat and dissipate heat, so that the temperature rise caused by friction heat can be reduced. 4. The rust-proof function is that the lubricant exists on the friction surface, so that the rust caused by air, water drops, water vapor, corrosive gas, liquid, dust and oxide can be prevented. 5. Power transmission in many cases the lubricant has the function of transmitting power, such as a hydraulic transmission or the like. 6. The lubricant forms a seal for some exposed parts and can prevent the invasion of moisture impurities. 7. The shock absorbing function can absorb impact energy when receiving impact load, such as automobile shock absorber, etc. 8. The cleaning function is that impurities can be taken away through the circulation of lubricating oil and filtered by a filter.
In addition, according to different requirements of the internal combustion engine, the lubricating oil has the characteristics of different viscosity, high temperature resistance, low temperature resistance, oxidation resistance, foam resistance and the like. With the continuous development of industrial technology, the requirements on lubricating oil are also increasing. High viscosity lubricating oils are of great importance in many industrial applications, such as heavy machinery, high temperature, low temperature and the like. However, the existing high-viscosity lubricating oil has the problems of unstable viscosity, easy volatilization, poor weather resistance and the like, and the oil product gradually loses the antioxidant activity and is easy to oxidize and deteriorate under the influence of factors such as operating temperature, combustion products, blowby gas, metal catalysis and the like in the use process, so that the properties such as detergency, dispersibility and abrasion resistance of the oil product are rapidly damaged, the viscosity is increased, acidic products are increased, paint films and sediments are formed, and the damage to engine equipment is caused. It is difficult to meet the ever increasing performance demands.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a high-viscosity oil-soluble polyether lubricating oil composition and a preparation method thereof. According to the high-viscosity oil-soluble polyether lubricating oil composition, the composite modifier, the antioxidant, the antirust agent and the defoamer are added into the base oil, so that the comprehensive performance of the prepared polyether lubricating oil composition can be effectively improved, and the high-viscosity oil-soluble polyether lubricating oil composition has excellent performances of high viscosity, high flash point, low pour point and the like. Meanwhile, the polyether lubricating oil composition has good lubricating property and oxidation resistance, can slow down the oxidation process and accumulation of oxidation products in the production, storage, transportation and use processes, and has wider application fields.
The technical scheme of the invention is as follows:
a high-viscosity oil-soluble polyether lubricating oil composition comprises the following components in parts by weight:
80-100 parts of base oil, 3-8 parts of composite modifier, 2-5 parts of antioxidant, 0.2-3 parts of antirust agent and 0.001-0.005 part of defoamer.
Further, the high-viscosity oil-soluble polyether lubricating oil composition comprises the following components in parts by weight:
90 parts of base oil, 6 parts of composite modifier, 3 parts of antioxidant, 1.5 parts of antirust agent and 0.003 part of defoamer.
Further, the base oil consists of polyether base oil and synthetic ester oil according to a weight ratio of 5-8:1.
Further, the preparation method of the polyether base oil comprises the following steps:
controlling the temperature of the polymerization kettle to be 125-160 ℃, adding 10 parts of pentaerythritol, replacing with nitrogen for three times, then adding 40 parts of propylene oxide, controlling the reaction temperature to be 125-140 ℃, controlling the reaction pressure to be 0.3-Mpa, adding 50 parts of butylene oxide after reacting for 3-6 hours, controlling the reaction temperature to be 140-160 ℃, controlling the reaction pressure to be 0.3-Mpa, and reacting for 4-8 hours to obtain the catalyst.
Still further, the CAS number of pentaerythritol is 115-77-5, the CAS number of propylene oxide is 75-56-9, and the CAS number of butylene oxide is 106-88-7.
Further, the synthetic ester oil is one of dioctyl sebacate and trimethylolpropane oleate.
Still further, the dioctyl sebacate has a CAS number of 2432-87-3 and the trimethylolpropane oleate has a CAS number of 11138-60-6.
Further, the composite modifier is composed of an alkyl polymethacrylate copolymer, polyisobutylene succinimide and dodecyl methacrylate according to the weight ratio of 5-9:1-3:3-6.
Still further, the composite modifier consists of alkyl polymethacrylate copolymer, polyisobutylene succinimide and dodecyl methacrylate in the weight ratio of 7:2:5.
Still further, the alkyl polymethacrylate copolymer is a trification compound ACLUBE V-2130; the polyisobutylene succinimide is purchased from Shanghai Claman reagent Co., ltd, under the trade designation 210318141439; the CAS number of the dodecyl methacrylate is 142-90-5.
Further, the antioxidant is a combination of octyl butyl diphenylamine (T557), 2, 6-di-tert-butyl-p-cresol and rapeseed oil.
Further, the antioxidant is composed of octyl butyl diphenylamine (T557), 2, 6-di-tert-butyl-p-cresol and rapeseed oil according to a weight ratio of 2-5:2:1.
Still further, the CAS number of 2, 6-di-tert-butyl-p-cresol is 128-37-0, and the CAS number of rapeseed oil is 8002-13-9.
Further, the antirust agent is one of barium dinonyl naphthalene sulfonate, benzotriazole or zinc naphthenate.
Still further, the barium dinonylnaphthalene sulfonate has a CAS number of 25619-56-1, the benzotriazole has a CAS number of 95-14-7, and the zinc naphthenate has a CAS number of 12001-85-3.
Further, the defoaming agent is simethicone.
Viscosity and pour point are two very important properties of lubricating oils as known from the prior art. The working pressure of the engine is high, and the main bearing, the connecting rod bearing and other parts bear high load. If the lubricating oil cannot form an oil film of a certain thickness at the moving parts, engine wear increases. Too low viscosity can result in poor sealing of the cylinder and increased engine fuel consumption. Conversely, too high viscosity increases friction resistance, which results in increased fuel consumption and difficulty in cold start. On the premise of ensuring lubrication, the viscosity needs to be proper; if the pour point of the lubricating oil is too high, the lubricating oil is difficult to flow when the temperature is low in winter, the normal start of equipment can not be ensured, and for the problems in the prior art, the composite additive consisting of alkyl polymethacrylate copolymer, polyisobutylene succinimide and dodecyl methacrylate is added on the basis of the base oil consisting of polyether base oil and synthetic ester oil prepared by a special process, so that the comprehensive performance of the lubricating oil composition prepared by the invention can be further improved, the viscosity and the pour point of the prepared lubricating oil are effectively improved, and the obtained lubricating oil composition is excellent in performance, the viscosity at 40 ℃ is 26-30 mm 2/s, the pour point is lower than-21 ℃, and the flash point is higher than 238 ℃ through test verification.
The composite modifier can also effectively inhibit the deposition of substances such as oil sludge, paint film, sludge and the like, can suspend the deposits in oil in a colloid state, can ensure that the lubricating oil of the internal combustion engine has good low-temperature dispersion performance, can effectively solve the problem of low-temperature oil sludge of gasoline engine oil, simultaneously improves the dispersion and compatibilization effects of soot and lubricating oil oxidation products generated by high-temperature oxidation, has obvious synergistic effect particularly after being used in combination with the antioxidant, can further improve the inhibition effect of the antioxidant on the oxidation reaction of the lubricating oil, thereby slowing down the oxidation process and accumulation of the oxidation products, effectively improving the antioxidation stability of the prepared lubricating oil composition, and ensuring that the oxidation stability time is more than 200 min.
In addition, the invention also provides a preparation method of the high-viscosity oil-soluble polyether lubricating oil composition, which comprises the following steps:
and adding the base oil and the antioxidant into a reaction kettle, heating to 50-55 ℃, stirring for 10-20 min uniformly, cooling to 30-35 ℃, sequentially adding the composite modifier, the antirust agent and the defoamer, and stirring for 1-3 h to obtain the modified epoxy resin.
Further, the stirring speed in the preparation method of the high-viscosity oil-soluble polyether lubricating oil composition is 100-150 r/min.
Compared with the prior art, the high-viscosity oil-soluble polyether lubricating oil composition and the preparation method thereof have the following advantages.
(1) The high-viscosity oil-soluble polyether lubricating oil composition prepared by the invention can effectively improve the comprehensive performance of the prepared polyether lubricating oil composition by adding the composite modifier, the antioxidant, the antirust agent and the defoamer into the base oil, and has excellent performances of high viscosity, high flash point, low pour point and the like.
(2) The high-viscosity oil-soluble polyether lubricating oil composition prepared by the invention also has good lubricating property and oxidation resistance, can ensure that the oxidation process and accumulation of oxidation products are slowed down in the production, storage, transportation and use processes of the polyether lubricating oil composition, and has wider application fields.
Detailed Description
The invention is further illustrated by the following description of specific embodiments, which are not intended to be limiting, and various modifications or improvements can be made by those skilled in the art in light of the basic idea of the invention, but are within the scope of the invention as long as they do not depart from the basic idea of the invention.
In the following examples and comparative examples, the reagents not specifically described were conventional reagents, which were purchased from conventional reagent manufacturing and selling companies, and the methods used, unless otherwise specified, were all prior art.
Example 1A high viscosity oil soluble polyether lubricating oil composition and method of making same
The high-viscosity oil-soluble polyether lubricating oil composition comprises the following components in parts by weight:
80 parts of base oil, 3 parts of composite modifier, 2 parts of antioxidant, 0.2 part of barium dinonylnaphthalene sulfonate and 0.001 part of simethicone.
The base oil consists of polyether base oil and dioctyl sebacate in a weight ratio of 5:1.
The preparation method of the polyether base oil comprises the following steps:
Controlling the temperature of a polymerization kettle to be 125 ℃, adding 10 parts of pentaerythritol, replacing with nitrogen for three times, then adding 40 parts of propylene oxide, controlling the reaction temperature to be 125 ℃, controlling the reaction pressure to be 0.3 Mpa, adding 50 parts of butylene oxide after reacting 6h, controlling the reaction temperature to be 140 ℃, controlling the reaction pressure to be 0.3 Mpa, and reacting 8 h.
The composite modifier consists of three components ACLUBE V-2130, polyisobutylene succinimide and dodecyl methacrylate in the weight ratio of 5:3:6.
The antioxidant is composed of octyl butyl diphenylamine (T557), 2, 6-di-tert-butyl-p-cresol and rapeseed oil according to the weight ratio of 2:2:1.
The preparation method of the high-viscosity oil-soluble polyether lubricating oil composition comprises the following steps:
Adding base oil and an antioxidant into a reaction kettle, heating to 50 ℃, stirring to 20 min, cooling to 30 ℃, then sequentially adding a composite modifier, barium dinonyl naphthalene sulfonate and dimethyl silicone oil, and stirring to 3h to obtain the modified polyurethane foam; the stirring speed is 100 r/min.
Example 2A high viscosity oil soluble polyether lubricating oil composition and method of making same
The high-viscosity oil-soluble polyether lubricating oil composition comprises the following components in parts by weight:
90 parts of base oil, 6 parts of composite modifier, 3 parts of antioxidant, 1.5 parts of benzotriazole and 0.003 part of simethicone.
The base oil consists of polyether base oil and trimethylolpropane oleate according to a weight ratio of 7:1.
The preparation method of the polyether base oil comprises the following steps:
Controlling the temperature of a polymerization kettle to be 145 ℃, adding 10 parts of pentaerythritol, replacing with nitrogen for three times, then adding 40 parts of propylene oxide, controlling the reaction temperature to be 130 ℃, controlling the reaction pressure to be 0.3 Mpa, adding 50 parts of butylene oxide after reacting 5 to h, controlling the reaction temperature to be 150 ℃, controlling the reaction pressure to be 0.3 Mpa, and reacting 6 to h.
The composite modifier consists of three components ACLUBE V-2130, polyisobutylene succinimide and dodecyl methacrylate according to the weight ratio of 7:2:5.
The antioxidant is composed of octyl butyl diphenylamine (T557), 2, 6-di-tert-butyl-p-cresol and rapeseed oil according to the weight ratio of 4:2:1.
The preparation method of the high-viscosity oil-soluble polyether lubricating oil composition comprises the following steps:
Adding base oil and an antioxidant into a reaction kettle, heating to 53 ℃, stirring to be 15 min ℃ uniformly, cooling to 32 ℃, sequentially adding a composite modifier, benzotriazole and simethicone, and stirring to be 2h to obtain the modified silicone oil; the stirring speed is 120 r/min.
Example 3A high viscosity oil soluble polyether lubricating oil composition and method of making same
The high-viscosity oil-soluble polyether lubricating oil composition comprises the following components in parts by weight:
100 parts of base oil, 8 parts of composite modifier, 5 parts of antioxidant, 3 parts of zinc naphthenate and 0.005 part of dimethyl silicone oil.
The base oil consists of polyether base oil and trimethylolpropane oleate according to a weight ratio of 8:1.
The preparation method of the polyether base oil comprises the following steps:
controlling the temperature of a polymerization kettle to be 160 ℃, adding 10 parts of pentaerythritol, replacing with nitrogen for three times, then adding 40 parts of propylene oxide, controlling the reaction temperature to be 140 ℃, controlling the reaction pressure to be 0.3 Mpa, adding 50 parts of butylene oxide after reacting 3. 3 h, controlling the reaction temperature to be 160 ℃, controlling the reaction pressure to be 0.3 Mpa, and reacting 4.4 h.
The composite modifier consists of three components ACLUBE V-2130, polyisobutylene succinimide and dodecyl methacrylate according to the weight ratio of 9:1:3.
The antioxidant consists of octyl butyl diphenylamine (T557), 2, 6-di-tert-butyl-p-cresol and rapeseed oil according to a weight ratio of 5:2:1.
The preparation method of the high-viscosity oil-soluble polyether lubricating oil composition comprises the following steps:
Adding base oil and an antioxidant into a reaction kettle, heating to 55 ℃, stirring to be 10 min ℃ uniformly, cooling to 35 ℃, then sequentially adding a composite modifier, an antirust agent and a defoaming agent, and stirring to be 1: 1h to obtain the modified epoxy resin; the stirring speed is 150 r/min.
Comparative example 1 polyether lubricating oil composition and method for preparing the same
Comparative example 1 was different from example 2 in that dodecyl methacrylate in the composite modifier was replaced with tetradecyl methacrylate (CAS number: 2549-53-3), i.e., the composite modifier consisted of trionyx-ACLUBE V-2130, polyisobutylene succinimide and tetradecyl methacrylate in a weight ratio of 7:2:5, and other components and preparation methods were the same as in example 2.
Comparative example 2 polyether lubricating oil composition and process for preparing the same
Compared with example 2, the difference of comparative example 2 is that polyisobutylene succinimide is not added in the composite modifier, and the addition amount of ACLUBE V-2130 and dodecyl methacrylate is correspondingly increased, namely the composite modifier consists of three components ACLUBE V-2130 and tetradecyl methacrylate according to the weight ratio of 8:6, and other components and the preparation method are the same as those of example 2.
Comparative example 3 polyether lubricating oil composition and process for preparing the same
Comparative example 3 was different from example 2 in that rapeseed oil in the antioxidant was replaced with tea polyphenol (CAS number: 84650-60-2), and other components and preparation methods were the same as example 2.
Test example one, performance test of polyether lubricating oil composition prepared according to the present invention
1. Test materials: polyether lubricating oil compositions prepared in examples 1 to 3 and comparative examples 1 to 3 of the present invention.
2. The test method comprises the following steps: the polyether lubricating oil compositions prepared in examples 1 to 3 and comparative examples 1 to 3 of the present invention were examined for kinematic viscosity at 40 ℃ (mm 2/s), kinematic viscosity at 100 ℃ (mm 2/s), oxidation stability-rotary oxygen bomb test (min), flash point (. Degree. C.), pour point (. Degree. C.), test method and test results obtained are shown in Table 1, respectively.
TABLE 1
| Group of | Test method | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Kinematic viscosity at 40 ℃ (mm 2/s) | GB/T 265 | 163.2 | 166.5 | 165.3 | 152.7 | 144.6 | 157.9 |
| Kinematic viscosity at 100 ℃ (mm 2/s) | GB/T 265 | 26.8 | 28.2 | 27.6 | 24.6 | 21.6 | 26.1 |
| Flash point (. Degree. C.) | GB/T 3536 | 238 | 249 | 244 | 216 | 223 | 231 |
| Pour point (. Degree. C.) | GB/T 3535 | -21 | -26 | -24 | -16 | -20 | -21 |
| Oxidation stability rotary oxygen bomb test 150 ℃/min | SH/T 0193 | 203 | 215 | 211 | 173 | 142 | 154 |
。
As shown in Table 1, the polyether lubricating oil compositions prepared in examples 1-3 of the invention have excellent properties of high viscosity, high flash point and low pour point, have excellent lubricating effect, are safer to use, can be used for more than 200 ℃ in a rotary oxygen bomb test, and have good antioxidant stability. Of these, the best embodiment of the invention is group 2. In comparative examples 1 to 3, the various detection indexes were reduced to different extents when the components of the polyether lubricating oil composition of the present invention were changed.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (5)
1. The high-viscosity oil-soluble polyether lubricating oil composition is characterized by comprising the following components in parts by weight:
80-100 parts of base oil, 3-8 parts of composite modifier, 2-5 parts of antioxidant, 0.2-3 parts of antirust agent and 0.001-0.005 part of defoamer;
the base oil consists of polyether base oil and synthetic ester oil according to the weight ratio of 5-8:1;
The preparation method of the polyether base oil comprises the following steps:
Controlling the temperature of a polymerization kettle to be 125-160 ℃, adding 10 parts of pentaerythritol, replacing with nitrogen for three times, then adding 40 parts of propylene oxide, controlling the reaction temperature to be 125-140 ℃, controlling the reaction pressure to be 0.3-Mpa, adding 50 parts of butylene oxide after reacting for 3-6 hours, controlling the reaction temperature to be 140-160 ℃, controlling the reaction pressure to be 0.3-Mpa, and reacting for 4-8 hours to obtain the catalyst;
the synthetic ester oil is one of dioctyl sebacate and trimethylolpropane oleate;
The composite modifier consists of an alkyl polymethacrylate copolymer, polyisobutylene succinimide and dodecyl methacrylate according to the weight ratio of 5-9:1-3:3-6, wherein the alkyl polymethacrylate copolymer is trification ACLUBEV-2130;
The antioxidant is composed of octyl butyl diphenylamine, 2, 6-di-tert-butyl-p-cresol and rapeseed oil according to a weight ratio of 2-5:2:1.
2. The high viscosity oil-soluble polyether lubricating oil composition according to claim 1, which is composed of the following components in parts by weight:
90 parts of base oil, 6 parts of composite modifier, 3 parts of antioxidant, 1.5 parts of antirust agent and 0.003 part of defoamer.
3. The high viscosity oil soluble polyether lubricating oil composition of claim 1 or 2, wherein the rust inhibitor is one of barium dinonylnaphthalene sulfonate, benzotriazole, or zinc naphthenate; the defoaming agent is dimethyl silicone oil.
4. A method for preparing the high-viscosity oil-soluble polyether lubricating oil composition according to any one of claims 1 to 3, comprising the steps of:
and adding the base oil and the antioxidant into a reaction kettle, heating to 50-55 ℃, stirring for 10-20 min uniformly, cooling to 30-35 ℃, sequentially adding the composite modifier, the antirust agent and the defoamer, and stirring for 1-3 h to obtain the modified epoxy resin.
5. The method for producing a high-viscosity oil-soluble polyether lubricating oil composition according to claim 4, wherein the stirring speed is 100 to 150 r/min.
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