CN116286151A - High-boiling-point low-corrosion vehicle brake fluid and preparation method thereof - Google Patents
High-boiling-point low-corrosion vehicle brake fluid and preparation method thereof Download PDFInfo
- Publication number
- CN116286151A CN116286151A CN202210304789.4A CN202210304789A CN116286151A CN 116286151 A CN116286151 A CN 116286151A CN 202210304789 A CN202210304789 A CN 202210304789A CN 116286151 A CN116286151 A CN 116286151A
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- China
- Prior art keywords
- brake fluid
- parts
- vehicle brake
- corrosion
- point low
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005260 corrosion Methods 0.000 title claims abstract description 71
- 239000012530 fluid Substances 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title abstract description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 67
- 230000007797 corrosion Effects 0.000 claims abstract description 55
- 239000003112 inhibitor Substances 0.000 claims abstract description 37
- -1 alcohol ether compound Chemical class 0.000 claims abstract description 26
- 238000009835 boiling Methods 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 21
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229920005862 polyol Polymers 0.000 claims abstract description 18
- 150000003077 polyols Chemical class 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 8
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical group [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 46
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 25
- 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 15
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 11
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 9
- 229910052796 boron Inorganic materials 0.000 claims description 9
- 239000012964 benzotriazole Substances 0.000 claims description 8
- WFSMVVDJSNMRAR-UHFFFAOYSA-N 2-[2-(2-ethoxyethoxy)ethoxy]ethanol Chemical compound CCOCCOCCOCCO WFSMVVDJSNMRAR-UHFFFAOYSA-N 0.000 claims description 7
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 7
- WUGCLPOLOCIDHW-UHFFFAOYSA-N 2-aminoethanol;benzoic acid Chemical compound [NH3+]CCO.[O-]C(=O)C1=CC=CC=C1 WUGCLPOLOCIDHW-UHFFFAOYSA-N 0.000 claims description 6
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 6
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 2
- XTHLNJJMYLLKPD-UHFFFAOYSA-N 2-aminoethanol;carbonic acid Chemical compound NCCO.OC(O)=O XTHLNJJMYLLKPD-UHFFFAOYSA-N 0.000 claims description 2
- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 claims description 2
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- 150000007942 carboxylates Chemical class 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 claims description 2
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 claims description 2
- TUEYHEWXYWCDHA-UHFFFAOYSA-N ethyl 5-methylthiadiazole-4-carboxylate Chemical compound CCOC(=O)C=1N=NSC=1C TUEYHEWXYWCDHA-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 abstract description 10
- 238000007254 oxidation reaction Methods 0.000 abstract description 10
- 238000010992 reflux Methods 0.000 abstract description 7
- 150000002739 metals Chemical class 0.000 abstract description 4
- 239000003981 vehicle Substances 0.000 description 23
- 235000006708 antioxidants Nutrition 0.000 description 16
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 12
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000002202 Polyethylene glycol Substances 0.000 description 6
- 229920001223 polyethylene glycol Polymers 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 2
- DSILSMIQUPKHSH-UHFFFAOYSA-N 2-[2-(2-methoxyethoxy)ethoxy]ethoxyboronic acid Chemical compound COCCOCCOCCOB(O)O DSILSMIQUPKHSH-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 125000003158 alcohol group Chemical group 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- GQBHYWDCHSZDQU-UHFFFAOYSA-N 4-(2,4,4-trimethylpentan-2-yl)-n-[4-(2,4,4-trimethylpentan-2-yl)phenyl]aniline Chemical compound C1=CC(C(C)(C)CC(C)(C)C)=CC=C1NC1=CC=C(C(C)(C)CC(C)(C)C)C=C1 GQBHYWDCHSZDQU-UHFFFAOYSA-N 0.000 description 1
- 101100191138 Arabidopsis thaliana DOT4 gene Proteins 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 244000064895 Cucumis melo subsp melo Species 0.000 description 1
- 235000009847 Cucumis melo var cantalupensis Nutrition 0.000 description 1
- 101100427348 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) UBP10 gene Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000001346 alkyl aryl ethers Chemical class 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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
-
- 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
- C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
- C10M2207/046—Hydroxy ethers
-
- 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
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/061—Esters derived from boron
- C10M2227/0615—Esters derived from boron used as base material
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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
- C10N2030/02—Pour-point; Viscosity index
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/08—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
- C10N2030/66—Hydrolytic stability
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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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention relates to C10M169/04, in particular to a high-boiling-point low-corrosion vehicle brake fluid and a preparation method thereof. The preparation method comprises the following raw materials: the corrosion inhibitor comprises, by weight, 10-20 parts of a main agent, 10-20 parts of a polyol, 20-45 parts of an alcohol ether compound, 1-10 parts of an antioxidant and 1-10 parts of a metal corrosion inhibitor. The high-boiling-point low-corrosion vehicle brake fluid provided by the invention has the advantages of high equilibrium reflux boiling point, excellent corrosion resistance to various metals and excellent oxidation resistance.
Description
Technical Field
The invention relates to C10M169/04, in particular to a high-boiling-point low-corrosion vehicle brake fluid and a preparation method thereof.
Background
Automotive brake fluids, also known as brake fluids, are the medium used in hydraulic braking systems and in clutch operating areas of certain automobiles. Currently, the brake fluid is mainly divided into three types, namely castor oil alcohol type brake fluid, mineral oil type brake fluid and synthetic brake fluid. The latest synthetic brake fluid also comprises an alcohol ether type, a borate type and a silicone oil type. Ricinoleic alcohol type brake fluid with mineral oil type is forced to be eliminated because the brake fluid can not meet the requirement of continuously improved quality index. The research of the domestic synthetic brake fluid is late, the brake fluid HZY3 and HZY4 are taken as main supply products in the current market, the alcohol ether type brake fluid HZY3 is largely used in the engineering machinery industry, and the borate type brake fluid HZY4 is mainly used in the fields of motor vehicles such as private, transportation and the like.
The alcohol ether borate type DOT4 brake fluid disclosed in the patent CN201610474870.1 is prepared from polyethylene glycol monomethyl ether borate, polyethylene glycol monoalkyl ether, polyethylene glycol, an antioxidant, a corrosion inhibitor and a pH regulator, and has excellent lubricating performance, rust resistance and precipitation resistance.
The patent CN201510078288.9 high-grade motor vehicle brake fluid composition consists of triethylene glycol monomethyl ether borate, diethylene glycol butyl ether, a polyol rubber expansion inhibitor, an antioxidant, a preservative and a pH regulator, and has the advantages of high equilibrium reflux boiling point, good corrosion resistance, rust resistance and the like.
However, the automobile brake fluid prepared by the method has poor oxidation resistance and cannot fully meet the demands of customers, and therefore, the invention provides the high-boiling-point low-corrosion automobile brake fluid which has excellent oxidation resistance, high balanced reflux boiling point and good corrosion resistance.
Disclosure of Invention
In order to solve the technical problem, a first aspect of the invention provides a high-boiling point low-corrosion vehicle brake fluid, which comprises the following raw materials: the corrosion inhibitor comprises, by weight, 10-20 parts of a main agent, 10-20 parts of a polyol, 20-45 parts of an alcohol ether compound, 1-10 parts of an antioxidant and 1-10 parts of a metal corrosion inhibitor.
Further preferably, the high-boiling-point low-corrosion vehicle brake fluid comprises the following raw materials: 15-20 parts of main agent, 12-18 parts of polyol, 35-42 parts of alcohol ether compound, 1-1.5 parts of antioxidant and 2-3 parts of metal corrosion inhibitor.
Preferably, the main agent is a borate type main agent.
Preferably, the borate type main agent comprises at least one of alcohol ether borate, cyclic borate, nitrogen heterocyclic borate, phosphorus-containing borate and amino alcohol borate.
Preferably, the boron content of the borate main agent is 1.2-2.0wt%.
Further preferably, the borate type main agent is alcohol ether borate.
Preferably, the alcohol ether borates include a first alcohol ether borate and a second alcohol ether borate. Preferably, the mass ratio of the first alcohol ether borate to the second alcohol ether borate is (5-7): (3-5).
Preferably, the boron content of the first alcohol ether borate is 1.7-1.9wt%.
Preferably, the viscosity of the first alcohol ether borate is 1250-1450mm at-40 DEG C 2 /s。
Preferably, the boron content of the second glycol ether borate is 1.2-1.5wt%.
Preferably, the viscosity of the second glycol ether borate is 800-1000mm at-40 DEG C 2 /s。
Preferably, the average molecular weight of the polyol is from 800 to 1500.
Preferably, the polyol comprises polyethylene glycol and/or polypropylene glycol.
Further preferably, the polyol comprises polyethylene glycol.
Preferably, the alcohol ether compound includes at least one of triethylene glycol monomethyl ether, tetraethylene glycol monomethyl ether, triethylene glycol monoethyl ether, diethylene glycol monoethyl ether and diethylene glycol monobutyl ether.
Further preferably, the alcohol ether compound includes triethylene glycol monoethyl ether and diethylene glycol monobutyl ether. The mass ratio of the triethylene glycol monoethyl ether to the diethylene glycol monobutyl ether is (1-3): (5-8).
Preferably, the antioxidant comprises one or more of 4-methyl-2, 6-di-tert-butylphenol, 2, 6-di-tert-butyl-p-cresol, bisphenol A,2, 4-methyl-6-tert-butylphenol and dialkylated diphenylamine.
Further preferably, the antioxidant comprises 4-methyl-2, 6-di-tert-butylphenol and alkylated diphenylamine. The mass ratio of the 4-methyl-2, 6-di-tert-butylphenol to the alkylated diphenylamine is (3-5): (3-5)
Preferably, the metal corrosion inhibitor comprises at least one of sulfonate corrosion inhibitor, organic alcohol amine corrosion inhibitor, organic carboxylate corrosion inhibitor, benzotriazole corrosion inhibitor and phosphorus-containing corrosion inhibitor.
Further preferably, the metal corrosion inhibitor comprises an organic alcohol amine corrosion inhibitor and a benzotriazole corrosion inhibitor.
Preferably, the organic alcohol amine corrosion inhibitor comprises at least one of monoethanolamine, diethanolamine, triethanolamine, monoethanolamine benzoate and monoethanolamine carbonate.
Further preferably, the organic alcohol amine corrosion inhibitor comprises diethanolamine and monoethanolamine benzoate.
Preferably, the benzotriazole corrosion inhibitor is benzotriazole.
Further preferably, the mass ratio of the diethanolamine, the monoethanolamine benzoate and the benzotriazole is (3-5): (2-4): (5-7).
Preferably, the high-boiling point low-corrosion vehicle brake fluid raw material comprises: 15-20 parts of main agent, 12-18 parts of polyol, 35-42 parts of alcohol ether compound, 1-1.5 parts of antioxidant and 2-3 parts of metal corrosion inhibitor.
The second aspect of the invention provides a preparation method of a high-boiling-point low-corrosion vehicle brake fluid, which specifically comprises the following steps: sequentially adding a main agent, a polyol, an alcohol ether compound, an antioxidant and a metal corrosion inhibitor into a blending kettle, and uniformly mixing and stirring at 10-35 ℃ to obtain the modified polyurethane foam.
The beneficial effects are that:
1) The invention adopts the main components of the borate type main agent, the polyol, the alcohol ether compound, the antioxidant and the metal corrosion inhibitor as the main components of the vehicle brake fluid to prepare the high-boiling-point low-corrosion vehicle brake fluid, which has high dry-wet balance reflux boiling point, excellent corrosion resistance to various metals and excellent oxidation resistance effect.
2) The invention adopts boron content of 1.7-1.9wt% and viscosity of 1250-1450mm at-40 deg.C 2 First alcohol ether borate/s and boron content of 1.2-1.5wt%, viscosity at-40 deg.C of 800-1000mm 2 The glycol ether borate is compounded to improve the hydrolysis resistance of the vehicle brake fluid, has lower evaporation degree, obtains the vehicle brake fluid with high dry-wet balance reflux boiling point, and can prevent the vehicle brake from generating air resistance, especially MH-106 at high temperature. And MH-510 with mass ratio of (5-7): in the case of (3-5),the vehicle brake fluid has insignificant change of kinematic viscosity with temperature at-40 ℃ and 100 ℃ and is especially suitable for use in high-temperature low-cold areas.
3) Because the oxidation resistance of alcohol ether borate and polyalcohol in the system is poor, the antioxidant 4-methyl-2, 6-di-tert-butylphenol can increase the end group content, inhibit the generation of degradation product structure and improve the oxidation resistance, but the stability of the 4-methyl-2, 6-di-tert-butylphenol is poor, the invention adopts the 4-methyl-2, 6-di-tert-butylphenol and alkylated diphenylamine to compound, and the p-pi conjugated structure has higher stability, and has synergistic effect with the 4-methyl-2, 6-di-tert-butylphenol, so that the oxidation induction period is prolonged, and the oxidation resistance of the vehicle brake fluid is improved. Further studies of the present invention have found that the basic nitrogen content is 4-5wt% and the kinematic viscosity at 40℃is 200-700mm 2 The alkylation diphenylamine reduces corrosion to contact materials of metals, rubber and the like with brake fluid, enhances corrosion resistance, ensures that the prepared vehicle brake fluid has higher dry-wet balance reflux boiling point and high-low temperature proper kinematic viscosity, and is suitable for various metals such as tinning iron, steel, cast iron, aluminum, brass, red copper, zinc and the like.
4) The vehicle brake fluid prepared by further limiting the content and the types of various raw materials in the system has higher boiling point, excellent high and low temperature resistance, good oxidation resistance and corrosion resistance, and good hydrolysis resistance, and can effectively relieve the damage of water to the property of the brake fluid.
Detailed Description
Examples
Example 1
A high-boiling point low-corrosion vehicle brake fluid comprises the following raw materials: the anti-oxidant comprises, by weight, 18 parts of a main agent, 17 parts of a polyol, 40 parts of an alcohol ether compound, 1.2 parts of an antioxidant and 2.3 parts of a metal corrosion inhibitor.
The main agent is a borate type main agent. The main agent of the borate type is alcohol ether borate. The alcohol ether borates include a first alcohol ether borate and a second alcohol ether borate. The mass ratio of the first alcohol ether borate to the second alcohol ether borate is 6:4.
the boron content of the first alcohol ether borate is 1.8wt%. The viscosity of the first alcohol ether borate is 1350mm at the temperature of minus 40 DEG C 2 S available from Jiangsu Dena chemical Co., ltd., model: MH-106.
The boron content in the second glycol ether borate is 1.3wt%. The viscosity of the second glycol ether borate is 900mm at-40 DEG C 2 S available from Jiangsu Dena chemical Co., ltd., model: MH-510 (triethylene glycol methyl ether borate).
The average molecular weight of the polyol is 1200. The polyol includes polyethylene glycol.
The alcohol ether compounds include triethylene glycol monoethyl ether (CAS number: 112-50-5) and diethylene glycol monobutyl ether (CAS number: 112-34-5). The mass ratio of the triethylene glycol monoethyl ether to the diethylene glycol monobutyl ether is 2:6.
the antioxidant comprises 4-methyl-2, 6-di-tert-butylphenol and alkylated diphenylamine. The mass ratio of the 4-methyl-2, 6-di-tert-butylphenol to the alkylated diphenylamine is 4:4. the 4-methyl-2, 6-di-tert-butylphenol (CAS number 128-37-0) was purchased from Ningchang Material Co., ltd. The basic nitrogen content in the alkylated diphenylamine is 4-5wt%, and the kinematic viscosity at 40 ℃ is 200-700mm 2 And/s. Purchased from cantaloupe, ricday trade limited, model: basf antioxidant IRGANOX 5057.
The metal corrosion inhibitor comprises diethanolamine, monoethanolamine benzoate and benzotriazole. The mass ratio of the diethanolamine to the monoethanolamine benzoate to the benzotriazole is 4:3:6.
the preparation method of the high-boiling-point low-corrosion vehicle brake fluid specifically comprises the following steps: sequentially adding a main agent, a polyol, an alcohol ether compound, an antioxidant and a metal corrosion inhibitor into a mixing kettle, and uniformly mixing and stirring at 25 ℃.
Example 2
A high-boiling point low-corrosion vehicle brake fluid is the same as in example 1, wherein the mass ratio of the first alcohol ether borate to the second alcohol ether borate is 7:5.
example 3
The specific implementation mode of the high-boiling-point low-corrosion vehicle brake fluid is the same as that of example 1, and the specific implementation mode is different in that the raw materials comprise 20 parts of a main agent, 18 parts of polyol, 42 parts of alcohol ether compound, 1.5 parts of antioxidant and 3 parts of metal corrosion inhibitor.
Comparative example 1
A high boiling point low corrosion vehicle brake fluid, the specific embodiment is the same as example 1, wherein the mass ratio of 4-methyl-2, 6-di-tert-butylphenol to alkylated diphenylamine is 1.5:4.
comparative example 2
A high boiling point low corrosion vehicle brake fluid, the specific embodiment is the same as example 1, except that the boron content in the first alcohol ether borate is 1.5wt%. The viscosity of the first alcohol ether borate is 1800mm at the temperature of minus 40 DEG C 2 S, model number from Jiangsu Tianyin chemical industry Co., ltd: MHB-739.
Performance testing
Dry and wet equilibrium reflux boiling point, oxidation resistance and corrosiveness tests were performed with reference to GB/T12981-2012, and the test results are described in table 1.
TABLE 1 Performance test results
Claims (10)
1. The high-boiling-point low-corrosion vehicle brake fluid is characterized by comprising the following raw materials: the corrosion inhibitor comprises, by weight, 10-20 parts of a main agent, 10-20 parts of a polyol, 20-45 parts of an alcohol ether compound, 1-10 parts of an antioxidant and 1-10 parts of a metal corrosion inhibitor.
2. The high boiling point low corrosion vehicle brake fluid according to claim 1, wherein said main agent is a borate type main agent.
3. The high boiling point low corrosion vehicle brake fluid according to claim 2, wherein said borate type main agent comprises at least one of alcohol ether borate, cyclic borate, azacyclic borate, phosphorus-containing borate, amino alcohol borate.
4. The high boiling point low corrosion vehicle brake fluid according to claim 2, wherein the boron content of said borate type main agent is 1.2-2.0wt%.
5. The high boiling point low corrosion vehicle brake fluid according to claim 1, wherein said alcohol ether compound comprises at least one of triethylene glycol monomethyl ether, tetraethylene glycol monomethyl ether, triethylene glycol monoethyl ether, diethylene glycol monoethyl ether and diethylene glycol monobutyl ether.
6. The high boiling point low corrosion vehicle brake fluid according to claim 1, wherein said antioxidant comprises one or more of 4-methyl-2, 6-di-t-butylphenol, 2, 6-di-t-butyl-p-cresol, bisphenol a,2, 4-methyl-6-t-butylphenol, dialkylated diphenylamine.
7. The high boiling point low corrosion vehicle brake fluid according to claim 1, wherein said metal corrosion inhibitor comprises at least one of sulfonate type corrosion inhibitors, organic alcohol amine type corrosion inhibitors, organic carboxylate type corrosion inhibitors, benzotriazole type corrosion inhibitors, and phosphorus containing corrosion inhibitors.
8. The high boiling point low corrosion vehicle brake fluid according to claim 1, wherein said organic alcohol amine corrosion inhibitor comprises at least one of monoethanolamine, diethanolamine, triethanolamine, monoethanolamine benzoate, and monoethanolamine carbonate.
9. A high boiling point low corrosion vehicle brake fluid according to any of claims 2 to 8, wherein said high boiling point low corrosion vehicle brake fluid stock comprises: 15-20 parts of main agent, 12-18 parts of polyol, 35-42 parts of alcohol ether compound, 1-1.5 parts of antioxidant and 2-3 parts of metal corrosion inhibitor.
10. A method of preparing a high boiling point low corrosion vehicle brake fluid according to claim 9, comprising the steps of: sequentially adding a main agent, a polyol, an alcohol ether compound, an antioxidant and a metal corrosion inhibitor into a blending kettle, and uniformly mixing and stirring at 10-35 ℃ to obtain the modified polyurethane foam.
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