CN117946792A - Hydraulic oil composition and preparation method thereof - Google Patents
Hydraulic oil composition and preparation method thereof Download PDFInfo
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- CN117946792A CN117946792A CN202211286059.2A CN202211286059A CN117946792A CN 117946792 A CN117946792 A CN 117946792A CN 202211286059 A CN202211286059 A CN 202211286059A CN 117946792 A CN117946792 A CN 117946792A
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- hydraulic oil
- linear
- branched alkyl
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 39
- 239000000203 mixture Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 28
- OWQPOVKKUWUEKE-UHFFFAOYSA-N 1,2,3-benzotriazine Chemical class N1=NN=CC2=CC=CC=C21 OWQPOVKKUWUEKE-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- 239000002199 base oil Substances 0.000 claims abstract description 14
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 12
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 150000002367 halogens Chemical class 0.000 claims abstract description 11
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000013556 antirust agent Substances 0.000 claims abstract description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 49
- 238000006243 chemical reaction Methods 0.000 claims description 25
- -1 methyl-substituted benzotriazinone Chemical class 0.000 claims description 22
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 17
- 229920002367 Polyisobutene Polymers 0.000 claims description 10
- 125000003342 alkenyl group Chemical group 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 229960002317 succinimide Drugs 0.000 claims description 10
- DMSSTTLDFWKBSX-UHFFFAOYSA-N 1h-1,2,3-benzotriazin-4-one Chemical compound C1=CC=C2C(=O)N=NNC2=C1 DMSSTTLDFWKBSX-UHFFFAOYSA-N 0.000 claims description 9
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 claims description 8
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims description 6
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- QDCPNGVVOWVKJG-VAWYXSNFSA-N 2-[(e)-dodec-1-enyl]butanedioic acid Chemical compound CCCCCCCCCC\C=C\C(C(O)=O)CC(O)=O QDCPNGVVOWVKJG-VAWYXSNFSA-N 0.000 claims description 4
- SAIKULLUBZKPDA-UHFFFAOYSA-N Bis(2-ethylhexyl) amine Chemical compound CCCCC(CC)CNCC(CC)CCCC SAIKULLUBZKPDA-UHFFFAOYSA-N 0.000 claims description 4
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 claims description 4
- GVPWHKZIJBODOX-UHFFFAOYSA-N dibenzyl disulfide Chemical compound C=1C=CC=CC=1CSSCC1=CC=CC=C1 GVPWHKZIJBODOX-UHFFFAOYSA-N 0.000 claims description 4
- LAWOZCWGWDVVSG-UHFFFAOYSA-N dioctylamine Chemical compound CCCCCCCCNCCCCCCCC LAWOZCWGWDVVSG-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- PXSXRABJBXYMFT-UHFFFAOYSA-N n-hexylhexan-1-amine Chemical compound CCCCCCNCCCCCC PXSXRABJBXYMFT-UHFFFAOYSA-N 0.000 claims description 4
- 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 3
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 229920005862 polyol Polymers 0.000 claims description 3
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 claims description 2
- VMZVBRIIHDRYGK-UHFFFAOYSA-N 2,6-ditert-butyl-4-[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VMZVBRIIHDRYGK-UHFFFAOYSA-N 0.000 claims description 2
- CJAYHOLRQJHSIP-NXVVXOECSA-N 2-[(z)-heptadec-2-enyl]-4,5-dihydro-1h-imidazole Chemical compound CCCCCCCCCCCCCC\C=C/CC1=NCCN1 CJAYHOLRQJHSIP-NXVVXOECSA-N 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 2
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 2
- 229920013639 polyalphaolefin Polymers 0.000 claims description 2
- 229920000193 polymethacrylate Polymers 0.000 claims description 2
- 229920001021 polysulfide Polymers 0.000 claims description 2
- 239000003586 protic polar solvent Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 6
- 230000002378 acidificating effect Effects 0.000 claims 1
- BVXOPEOQUQWRHQ-UHFFFAOYSA-N dibutyl phosphite Chemical compound CCCCOP([O-])OCCCC BVXOPEOQUQWRHQ-UHFFFAOYSA-N 0.000 claims 1
- 239000012990 dithiocarbamate Substances 0.000 claims 1
- 150000004659 dithiocarbamates Chemical class 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 5
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 125000005843 halogen group Chemical group 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- 239000000047 product Substances 0.000 description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 229910052757 nitrogen Inorganic materials 0.000 description 13
- 239000006078 metal deactivator Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000007810 chemical reaction solvent Substances 0.000 description 4
- 238000002329 infrared spectrum Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 238000000967 suction filtration Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229930184510 Mallotus Natural products 0.000 description 1
- 241001060384 Mallotus <angiosperm> Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012844 infrared spectroscopy analysis Methods 0.000 description 1
- 239000009384 kangtai Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000001757 thermogravimetry curve Methods 0.000 description 1
- 238000005406 washing 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
- C10M169/048—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
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D253/00—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00
- C07D253/08—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00 condensed with carbocyclic rings or ring systems
-
- 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
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/38—Heterocyclic nitrogen compounds
- C10M133/40—Six-membered ring containing nitrogen and carbon only
- C10M133/42—Triazines
-
- 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
-
- 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
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds 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
- 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
- C10M2209/06—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an acyloxy radical of saturated carboxylic or carbonic acid
- C10M2209/062—Vinyl esters of saturated carboxylic or carbonic acids, e.g. vinyl acetate
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- 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
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/221—Six-membered rings containing nitrogen and carbon only
- C10M2215/222—Triazines
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/28—Amides; Imides
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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
- 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
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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
- 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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- 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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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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- 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
- C10N2030/64—Environmental friendly compositions
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
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Abstract
The invention provides a hydraulic oil composition and a preparation method thereof. The hydraulic oil composition comprises a benzotriazine derivative, an ashless dispersant, an antiwear agent, an antioxidant, a pour point depressant, an antirust agent and hydraulic oil base oil, wherein the structure of the benzotriazine derivative is shown as a formula (I): Wherein R 1、R2 is independently selected from the group consisting of C 4～C20 linear or branched alkyl, R 3 is selected from the group consisting of H, C 1～C10 linear or branched alkyl, halogen, R 4 COO-, linear or branched alkyl of C 1～C10 substituted with halogen or R 4 COO-, and R 4 is selected from the group consisting of C 1～C10 linear or branched alkyl. The hydraulic oil composition has excellent low-temperature performance, corrosion resistance, rust resistance and oxidation stability.
Description
Technical Field
The invention relates to the field of lubricating oil, in particular to a hydraulic oil composition and a preparation method thereof.
Background
The hydraulic equipment is worn out in long-term use, thereby generating friction and vibration. The hydraulic oil is used as working medium of automobile, engineering machinery, etc. and has the functions of energy transmission, system lubrication, rust prevention, corrosion prevention and cooling in the hydraulic system. However, the metal in the mechanical equipment can oxidize and corrode with the increase of time in the lubricating oil to generate a catalytic effect, so that the quality of the oil is affected by the deterioration of the oil. To solve the above problems, a metal deactivator is generally added to hydraulic oil to inhibit the catalytic oxidation of metal. The types of the common metal deactivator in the current market are less, the alkalinity of the existing T551 metal deactivator is larger, the heat stability is poor, the sulfur content of the T561 metal deactivator is higher, the sulfur content of an oil product can be increased, and the metal deactivator is not suitable for products with strict requirements on sulfur and phosphorus content.
The prior document CN112521999a discloses a mixture of metal deactivators, but the mixture is not suitable for products with severe sulfur and phosphorus content due to the higher sulfur content. The mixed solvent of methanol and benzene is used in the preparation of the metal deactivator in US 4376635, which is harmful to human body and not friendly to environment. Therefore, the prior art still needs to develop a novel metal deactivator, which improves the problems of poor oil solubility, high sulfur and phosphorus content, poor thermal stability and the like of the traditional metal deactivator on the basis of environmental protection, and can be applied to hydraulic oil used on hydraulic equipment to improve the oil solubility and the thermal stability of the hydraulic oil, inhibit the metal catalysis and improve the corrosion resistance and rust resistance.
Disclosure of Invention
The invention provides a hydraulic oil composition and a preparation method thereof. The hydraulic oil composition has excellent low-temperature performance, corrosion resistance, rust resistance and oxidation stability.
The hydraulic oil composition comprises a benzotriazine derivative, an ashless dispersant, an antiwear agent, an antioxidant, a pour point depressant, an antirust agent and hydraulic oil base oil, wherein the structure of the benzotriazine derivative is shown as a formula (I):
Wherein R 1、R2 is independently selected from the group consisting of C 4～C20 linear or branched alkyl, R 3 is selected from the group consisting of H, C 1～C10 linear or branched alkyl, halogen, R 4 COO-, linear or branched alkyl of C 1～C10 substituted with halogen or R 4 COO-, and R 4 is selected from the group consisting of C 1～C10 linear or branched alkyl.
According to the invention, preferably, each R 1、R2 is independently selected from the group consisting of C 4～C10 linear or branched alkyl, R 3 is selected from the group consisting of H, C 1～C6 linear or branched alkyl, halogen.
According to the invention, the benzotriazine derivative can be one or more of the following compounds:
According to the invention, the preparation method of the benzotriazine derivative comprises the following steps: reacting a compound shown in a formula (alpha) with formaldehyde and R 1NHR2, and collecting a product;
Each R 1、R2 is independently selected from the group consisting of C 4～C20 linear or branched alkyl, R 3 is selected from the group consisting of H, C 1～C10 linear or branched alkyl, halogen, R 4 COO-, halogen-or R 4 COO-substituted linear or branched alkyl of C 1～C10, and R 4 is selected from the group consisting of C 1～C10 linear or branched alkyl.
According to the invention, preferably, each R 1、R2 is independently selected from the group consisting of C 4～C10 linear or branched alkyl, R 3 is selected from the group consisting of H, C 1～C6 linear or branched alkyl, halogen.
According to the present invention, the molar ratio between the compound represented by formula (α) and formaldehyde, R 1NHR2, is optionally (0.8 to 1.2): (0.8-1.5): (0.8 to 1.5), preferably (0.9 to 1.0): (1.0-1.3): (1.1-1.4).
According to the invention, the reaction temperature of the compound of formula (α) with formaldehyde and R 1NHR2 is optionally 50-100deg.C, preferably 60-90deg.C, and the reaction time is 6-48 h, preferably 12-24 h.
According to the invention, the reaction of the compound of formula (alpha) with formaldehyde, R 1NHR2 is:
According to the invention, the compound shown in the formula (alpha) can be one or more of benzotriazinone, methyl substituted benzotriazinone and ethyl substituted benzotriazinone, and the R 1NHR2 can be one or more of di-n-butylamine, di-n-hexylamine, di-n-octylamine and diisooctylamine.
According to the invention, the compound represented by formula (α) is optionally reacted with formaldehyde, R 1NHR2 in the presence of an inert gas, which may be nitrogen or argon.
According to the present invention, a solvent, preferably a protic solvent, may be added to the reaction of the compound of formula (α) with formaldehyde and R 1NHR2, for example, one or more of methanol, ethanol, n-propanol, isopropanol, n-butanol and isobutanol, and the amount of the solvent added is not particularly limited and may be 50% to 500% of the mass of the compound of formula (α). After the reaction is completed, the solvent may be removed by a method conventional in the art, for example, a reduced pressure distillation method.
According to the present invention, after the reaction of the compound represented by the formula (α) with formaldehyde and R 1NHR2 is completed, the reaction product may be subjected to a purification treatment, which includes one or more of water washing, distillation, filtration, drying and recrystallization methods, and is not particularly limited.
According to the invention, the ashless dispersant can be polyisobutylene succinimide, for example, one or more of single polyisobutylene succinimide, double polyisobutylene succinimide, multi-polyisobutylene succinimide and high molecular weight polyisobutylene succinimide can be selected, and common commercial grades comprise T151, T152, T154A and the like.
According to the invention, the antiwear agent may be one or more selected from sulphurised olefins, polysulphides, phosphate esters, nitrogen-containing derivatives of sulphurised phosphoric acid, amine salts of sulphurised phosphoric acid, dialkyldithiocarbamates and aminothioesters, for example, one or more selected from sulphurised isobutene, dibenzyl disulphide, tricresyl phosphate, dibutyl acid phosphite, nitrogen-containing derivatives of sulphurised phosphoric acid, amine salts of sulphurised phosphoric acid and aminothioesters, and common trade names include T321, T322, T323, T304, T305, T306, T307 and the like.
According to the invention, the antioxidant can be one or more of hindered phenol, amine type and phenolic ester type antioxidants, for example, one or more of 2, 6-di-tert-butyl-p-cresol, 4-methylenebis (2, 6-di-tert-butylphenol), 2, 6-di-tert-butyl-alpha-dimethylamino-p-cresol, alkylated diphenylamine and N-phenyl-alpha-naphthylamine, and common commercial grades include T501, T511, T512, T521, T531, T534 and the like.
According to the invention, the pour point depressant can be one or more of styrene fumarate copolymer, alkyl naphthalene, polyalphaolefin and polymethacrylate, and common commercial grades comprise T801, T803A, T, 806, T808A and the like.
According to the invention, the rust inhibitor can be one or more of alkenyl succinate, alkenyl succinic acid, alkenyl succinate and alkenyl imidazoline alkenyl succinate, for example, one or more of dodecenyl succinic acid half ester, dodecenyl succinic acid and heptadecenyl imidazoline alkenyl succinate, and common commercial grades comprise T746, T747A, LZL703 and the like.
According to the invention, the hydraulic oil base oil is preferably a polyol ester base oil, for example, pentaerythritol ester and trimethylolpropane ester, and more preferably a polyol ester base oil with a kinematic viscosity of 10-50 mm 2/s at 40 ℃.
According to the invention, the hydraulic oil composition comprises, by mass, 0.01% -1% of a benzotriazine derivative, 0.01% -5% of an ashless dispersant, 0.01% -3% of an antiwear agent, 0.01% -3% of an antioxidant, 0.01% -3% of a pour point depressant, 0.01% -3% of an antirust agent and a main amount of hydraulic oil base oil.
Other kinds of additives may be added to the hydraulic oil composition of the present invention, and the kind and amount to be added may be in accordance with the prior art, without particular limitation.
The preparation method of the hydraulic oil composition comprises the step of mixing the benzotriazine derivative, the ashless dispersant, the antiwear agent, the antioxidant, the pour point depressant, the antirust agent and the hydraulic oil base oil in proportion. The temperature of the mixing is preferably 40-60 ℃, and the mixing time is preferably 1-6 h.
The hydraulic oil composition disclosed by the invention has excellent low-temperature performance, anti-corrosion and rust-proof performance and oxidation stability, and is environment-friendly.
Drawings
FIG. 1 is a thermogram of benzotriazine derivatives prepared in example 1.
FIG. 2 is an infrared spectrum of the benzotriazine derivative prepared in example 1.
FIG. 3 shows the nuclear magnetic resonance spectrum of the benzotriazine derivative prepared in example 1.
FIG. 4 is a molecular structure diagram of the benzotriazine derivative prepared in example 1.
Detailed Description
The present invention will be described in further detail with reference to examples. But the present invention is not limited thereto. All proportions and parts are by mass unless otherwise indicated.
The main raw materials used are as follows:
Benzotriazinone, analytically pure, purchased from enoKai reagent company;
aqueous formaldehyde solution, wherein the mass concentration of formaldehyde is 37%, purchased from enokak reagent company;
di-n-octylamine, analytically pure, purchased from enoKai reagent company;
Diisooctylamine, analytically pure, purchased from enoKai reagent company;
di-n-hexylamine, analytically pure, purchased from enoKai reagent company;
Di-n-butylamine, analytically pure, purchased from enoKai reagent company;
Methanol, chemically pure, purchased from enoKai reagent company;
Some physical property detection methods used are as follows:
the density is analyzed and measured according to the NB/SH/T0870-2020 method;
The kinematic viscosity is analyzed and measured according to GB/T265;
the total base number is analyzed and measured according to SH/T0251;
the nitrogen content is analyzed and measured according to SH/T0656;
moisture was determined analytically according to GB/T11133.
Example 1
Into a dried three-necked flask equipped with a condenser was charged 10.0g of benzotriazinone and 18.0g of di-n-octylamine. Nitrogen is introduced into the reaction bottle to replace air in the bottle. The temperature is raised to 70 ℃, 6.6g of formaldehyde aqueous solution with 37% formaldehyde mass concentration is dripped into a reaction bottle, 30mL of methanol is added as a reaction solvent after the dripping is finished, and the reaction is carried out for 12 hours under the reflux state at 70 ℃. After stopping the reaction, cooling the reaction bottle to room temperature, carrying out reduced pressure distillation under the condition of vacuum degree of 0.08-0.09 Mpa to obtain reddish brown liquid, cooling to room temperature, and carrying out suction filtration to obtain filtrate, wherein the obtained filtrate is the benzotriazine derivative, the reddish brown liquid has the density of 923.1kg/m 3, the kinematic viscosity of 5.431mm 2/s at 100 ℃, the total base number of 142.8mKOH/g, the nitrogen content of 24.13% and the water content of 0.078%.
The benzotriazine derivatives of example 1 have the structure
Example 2
Into a dried three-necked flask equipped with a condenser was charged 10.0g of benzotriazinone and 18.0g of diisooctylamine. Nitrogen is introduced into the reaction bottle to replace air in the bottle. The temperature is raised to 70 ℃, 6.6g of formaldehyde aqueous solution with 37% formaldehyde mass concentration is dripped into a reaction bottle, 30mL of methanol is added as a reaction solvent after the dripping is finished, and the reaction is carried out for 12 hours under the reflux state at 70 ℃. After stopping the reaction, cooling the reaction bottle to room temperature, carrying out reduced pressure distillation under the condition of vacuum degree of 0.08-0.09 Mpa to obtain reddish brown liquid, cooling to room temperature, and carrying out suction filtration to obtain filtrate, wherein the obtained filtrate is the benzotriazine derivative, the reddish brown liquid has the density of 921.2kg/m 3, the kinematic viscosity of 5.423mm 2/s at 100 ℃, the total base number of 141.9mKOH/g, the nitrogen content of 24.58% and the water content of 0.075%.
The benzotriazine derivatives of example 2 have the structure
Example 3
Into a dried three-necked flask equipped with a condenser was charged 10.0g of benzotriazinone and 13.85g of di-n-hexylamine. Nitrogen is introduced into the reaction bottle to replace air in the bottle. The temperature is raised to 70 ℃, 6.6g of formaldehyde aqueous solution with 37% formaldehyde mass concentration is dripped into a reaction bottle, 30mL of methanol is added as a reaction solvent after the dripping is finished, and the reaction is carried out for 12 hours under the reflux state at 70 ℃. After stopping the reaction, cooling the reaction bottle to room temperature, carrying out reduced pressure distillation under the condition of vacuum degree of 0.08-0.09 Mpa to obtain reddish brown liquid, cooling to room temperature, and carrying out suction filtration to obtain filtrate, wherein the obtained filtrate is the benzotriazine derivative, the reddish brown liquid has the density of 920.1kg/m 3, the kinematic viscosity of 5.428mm 2/s at 100 ℃, the total base number of 143.2mKOH/g, the nitrogen content of 24.25% and the water content of 0.080%.
The benzotriazine derivatives of example 3 have the structure
Example 4
Into a dried three-necked flask equipped with a condenser was charged 10.0g of benzotriazinone and 9.66g of di-n-butylamine. Nitrogen is introduced into the reaction bottle to replace air in the bottle. The temperature is raised to 70 ℃, 6.6g of formaldehyde aqueous solution with 37% formaldehyde mass concentration is dripped into a reaction bottle, 30mL of methanol is added as a reaction solvent after the dripping is finished, and the reaction is carried out for 12 hours under the reflux state at 70 ℃. After stopping the reaction, cooling the reaction liquid to room temperature, carrying out reduced pressure distillation under the condition of vacuum degree of 0.08-0.09 Mpa to obtain reddish brown liquid, cooling to room temperature, and carrying out suction filtration to obtain filtrate, wherein the obtained filtrate is the benzotriazine derivative, the reddish brown liquid has the density of 919.9kg/m 3, the kinematic viscosity of 5.444mm 2/s at 100 ℃, the total base number of 142.5mKOH/g, the nitrogen content of 24.06% and the water content of 0.079%.
The benzotriazine derivatives of example 4 have the structure
Carrying out thermal weight loss, infrared spectrum and nuclear magnetic spectrum analysis on the benzotriazine derivative prepared in the embodiment 1, wherein a Q600 synchronous thermal analyzer is adopted in the thermal weight loss test, the test condition is N 2 atmosphere, the heating rate is 10 ℃/min, and the temperature interval is room temperature to 600 ℃; the infrared spectrum test adopts a Nicolet-560 infrared spectrometer, the scanning times are 16 times, and the resolution is 4; nuclear magnetic test using Bruker AVANCE III 400MHZ nuclear magnetic resonance, 1 H NMR, room temperature operation. The measured thermal weight loss spectrum is shown in figure 1, the infrared spectrum is shown in figure 2, the infrared analysis result is shown in table 1, the nuclear magnetic hydrogen spectrum is shown in figure 3, the molecular structure diagram of the product is shown in figure 4, and the nuclear magnetic analysis result is shown in table 2.
TABLE 1 Infrared spectroscopic analysis of the products
Table 1 shows that the product has a benzene ring and saturated alkyl chain C-H stretching vibration peaks, and has C=O, C=N, N=N and C-N stretching vibration peaks, which can indicate that the synthesized product is the target product.
TABLE 2 Nuclear magnetic Hydrogen Spectrometry analysis results of the products
By combining fig. 3, fig. 4 and table 2, it can be demonstrated that the number and attribution of hydrogen in the nuclear magnetic resonance spectrum are completely consistent with those of the target product, so that the synthesized product can be proved to be the target product, and the purity of the product is higher.
The metal deactivators T551, T561 were used as comparative metal base activators.
Examples 5 to 10 and comparative examples 1 to 3 of hydraulic oil compositions
Examples 5 to 10 and comparative examples 1 to 3, in which hydraulic oil compositions were obtained by preparing the compositions of the formulations shown in Table 3. The hydraulic oil compositions were tested for kinematic viscosity at 40 ℃, -kinematic viscosity at 40 ℃ at low temperature, acid value, pour point, copper corrosion, rust degree, and rotary oxygen bomb, respectively. Wherein the measuring method of the low-temperature kinematic viscosity at the temperature of minus 40 ℃ and the kinematic viscosity at the temperature of 40 ℃ is a GB/T265 method; the acid value measuring method is GB/T7304; the pour point determination method is GB/T3535; the copper sheet corrosion test measurement method is GB/T5096, and the test conditions are (100 ℃,3 h) and (121 ℃ and 48 h); the rust degree test method is GB/T2361, the test temperature is 49 ℃, the humidity is more than 95%, the test time is 72 hours, and the rating method is SH/T0217; the rotary oxygen bomb test method is SH/T0193, and the test conditions are 620kPa and 150 ℃. The test results are shown in Table 3.
The main additives and base oils used were derived as follows:
Contrast metal deactivator T561, xingpu, petrochemical science institute, industrial products
Contrast metal alkali activator T551, xingpu company, petrochemical science institute, industrial product
Ashless dispersant T154A, yangzi petrochemical company, industrial products
Antiwear agent T321, xingpu of petrochemical science research institute, industrial product
Antioxidant T501, xingpu company, petrochemical science research institute, industrial product
Pour point depressant T808A, shenyang great wall lubricating oil manufacturing company, industrial products
Rust inhibitor T747, commercially available from Mallotus Kangtai Lubricant additive Co., ltd
Pentaerythritol ester, 5 cSt pentaerythritol ester of Zhejiang quzhou chemical plant, industrial product, 40 ℃ kinematic viscosity of 22.11mm 2/s, 100 ℃ kinematic viscosity of 5.11mm 2/s
TABLE 3 Table 3
Claims (14)
1. The hydraulic oil composition comprises a benzotriazine derivative, an ashless dispersant, an antiwear agent, an antioxidant, a pour point depressant, an antirust agent and hydraulic oil base oil, wherein the structure of the benzotriazine derivative is shown as a formula (I):
Wherein R 1、R2 is independently selected from the group consisting of C 4～C20 linear or branched alkyl, R 3 is selected from the group consisting of H, C 1～C10 linear or branched alkyl, halogen, R 4 COO-, linear or branched alkyl of C 1～C10 substituted with halogen or R 4 COO-, and R 4 is selected from the group consisting of C 1～C10 linear or branched alkyl.
2. The hydraulic fluid composition according to claim 1, wherein R 1、R2 is each independently selected from the group consisting of linear or branched alkyl of C 4～C10 and R 3 is selected from the group consisting of linear or branched alkyl of H, C 1～C6, halogen.
3. The hydraulic fluid composition of claim 1, wherein the benzotriazine derivative is one or more of the following compounds:
4. The hydraulic oil composition according to any one of claims 1 to 3, wherein the method for producing the benzotriazine derivative comprises: reacting a compound shown in a formula (alpha) with formaldehyde and R 1NHR2, and collecting a product;
Each R 1、R2 is independently selected from the group consisting of C 4～C20 linear or branched alkyl, R 3 is selected from the group consisting of H, C 1～C10 linear or branched alkyl, halogen, R 4 COO-, halogen-or R 4 COO-substituted linear or branched alkyl of C 1～C10, and R 4 is selected from the group consisting of C 1～C10 linear or branched alkyl.
5. The hydraulic fluid composition according to claim 4, wherein R 1、R2 is independently selected from the group consisting of linear or branched alkyl groups of C 4～C10 and R 3 is selected from the group consisting of linear or branched alkyl groups of H, C 1～C6, halogen.
6. The hydraulic oil composition according to claim 4, wherein the molar ratio between the compound represented by the formula (α) and formaldehyde, R 1NHR2 is (0.8 to 1.2): (0.8-1.5): (0.8-1.5).
7. The hydraulic oil composition according to claim 4, wherein the compound represented by the formula (α) is reacted with formaldehyde and R 1NHR2 at a temperature of 50 to 100℃for a period of 6 to 48 hours.
8. The hydraulic fluid composition according to claim 4, wherein the compound represented by the formula (α) is selected from one or more of benzotriazinone, methyl-substituted benzotriazinone and ethyl-substituted benzotriazinone, and the R 1NHR2 is selected from one or more of di-n-butylamine, di-n-hexylamine, di-n-octylamine and diisooctylamine.
9. The hydraulic oil composition according to claim 4, wherein the compound represented by the formula (α) is reacted with formaldehyde, R 1NHR2 in the presence of an inert gas.
10. The hydraulic oil composition according to claim 4, wherein a solvent is added to the reaction of the compound represented by the formula (α) with formaldehyde and R 1NHR2, and the solvent is a protic solvent.
11. The hydraulic fluid composition according to any one of claims 1 to 10, wherein the ashless dispersant is polyisobutylene succinimide; the antiwear agent is selected from one or more of sulphurised olefins, polysulphides, phosphate esters, thiophosphoric acid nitrogen-containing derivatives, thiophosphoric acid amine salts, dialkyl dithiocarbamates and amino thioesters; the antioxidant is selected from one or more of hindered phenol, amine type and phenolic ester type antioxidants; the pour point depressant is selected from one or more of styrene fumarate copolymer, alkyl naphthalene, polyalphaolefin and polymethacrylate; the antirust agent is one or more selected from alkenyl succinate, alkenyl succinic acid, alkenyl succinate and alkenyl imidazoline alkenyl succinate; the hydraulic oil base oil is polyol ester base oil.
12. The hydraulic fluid composition according to any one of claims 1 to 10, wherein the ashless dispersant is selected from one or more of a mono-polyisobutylene succinimide, a di-polyisobutylene succinimide, a multi-polyisobutylene succinimide, and a high molecular weight polyisobutylene succinimide; the antiwear agent is selected from one or more of sulfurized isobutylene, dibenzyl disulfide, tricresyl phosphate, acidic dibutyl phosphite, a thiophosphoric acid nitrogen-containing derivative, a thiophosphoric acid amine salt and an aminothioester; the antioxidant is selected from one or more of 2, 6-di-tert-butyl-p-cresol, 4-methylenebis (2, 6-di-tert-butylphenol), 2, 6-di-tert-butyl-alpha-dimethylamino-p-cresol, alkylated diphenylamine and N-phenyl-alpha-naphthylamine; the pour point depressant is styrene fumarate copolymer; the antirust agent is one or more of dodecenyl succinic acid half ester, dodecenyl succinic acid and heptadecenyl imidazoline alkenyl succinate; the hydraulic oil base oil is pentaerythritol ester and/or trimethylolpropane ester.
13. The hydraulic oil composition according to any one of claims 1 to 10, characterized in that the hydraulic oil composition comprises, in mass%, 0.01 to 1% of a benzotriazine derivative, 0.01 to 5% of an ashless dispersant, 0.01 to 3% of an antiwear agent, 0.01 to 3% of an antioxidant, 0.01 to 3% of a pour point depressant, 0.01 to 3% of an antirust agent, and a main amount of a hydraulic oil base oil.
14. The method for preparing the hydraulic oil composition according to any one of claims 1 to 13, comprising the step of mixing the benzotriazine derivative, the ashless dispersant, the antiwear agent, the antioxidant, the pour point depressant, the rust inhibitor and the hydraulic oil base oil in proportion.
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