CN1501971A - Hydraulic fluids with improved anti-corrosion properties - Google Patents
Hydraulic fluids with improved anti-corrosion properties Download PDFInfo
- Publication number
- CN1501971A CN1501971A CNA028079027A CN02807902A CN1501971A CN 1501971 A CN1501971 A CN 1501971A CN A028079027 A CNA028079027 A CN A028079027A CN 02807902 A CN02807902 A CN 02807902A CN 1501971 A CN1501971 A CN 1501971A
- Authority
- CN
- China
- Prior art keywords
- weight
- triazole
- hydraulic fluid
- component
- inhibiter
- Prior art date
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 59
- 238000005260 corrosion Methods 0.000 title abstract description 9
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 claims abstract description 5
- QWENRTYMTSOGBR-UHFFFAOYSA-N 1H-1,2,3-Triazole Chemical class C=1C=NNN=1 QWENRTYMTSOGBR-UHFFFAOYSA-N 0.000 claims abstract 2
- SNTWKPAKVQFCCF-UHFFFAOYSA-N 2,3-dihydro-1h-triazole Chemical compound N1NC=CN1 SNTWKPAKVQFCCF-UHFFFAOYSA-N 0.000 claims description 13
- -1 boric acid ester Chemical class 0.000 claims description 13
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical compound N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 claims description 12
- 229920000151 polyglycol Polymers 0.000 claims description 12
- 239000010695 polyglycol Substances 0.000 claims description 12
- 230000002421 anti-septic effect Effects 0.000 claims description 9
- 239000004327 boric acid Substances 0.000 claims description 9
- SYOANZBNGDEJFH-UHFFFAOYSA-N 2,5-dihydro-1h-triazole Chemical compound C1NNN=C1 SYOANZBNGDEJFH-UHFFFAOYSA-N 0.000 claims description 5
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 claims description 3
- 239000012964 benzotriazole Substances 0.000 claims description 3
- 238000005984 hydrogenation reaction Methods 0.000 claims description 3
- 239000011782 vitamin Substances 0.000 claims description 3
- 229940088594 vitamin Drugs 0.000 claims description 3
- 229930003231 vitamin Natural products 0.000 claims description 3
- 235000013343 vitamin Nutrition 0.000 claims description 3
- 150000003722 vitamin derivatives Chemical class 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- 229960001340 histamine Drugs 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- RMFWVOLULURGJI-UHFFFAOYSA-N 2,6-dichloro-7h-purine Chemical compound ClC1=NC(Cl)=C2NC=NC2=N1 RMFWVOLULURGJI-UHFFFAOYSA-N 0.000 claims 1
- YTKCFMFHEMNDTE-UHFFFAOYSA-N 6-chloropurine Chemical compound ClC1=NC=NC2=NC=N[C]12 YTKCFMFHEMNDTE-UHFFFAOYSA-N 0.000 claims 1
- 125000001425 triazolyl group Chemical group 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 7
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003112 inhibitor Substances 0.000 abstract description 2
- 239000010949 copper Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
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- 229910052802 copper Inorganic materials 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 102100024737 Deoxynucleotidyltransferase terminal-interacting protein 2 Human genes 0.000 description 6
- 101000626071 Homo sapiens Deoxynucleotidyltransferase terminal-interacting protein 2 Proteins 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000005352 clarification Methods 0.000 description 4
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 3
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
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- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 2
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 2
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- AQEFLFZSWDEAIP-UHFFFAOYSA-N di-tert-butyl ether Chemical compound CC(C)(C)OC(C)(C)C AQEFLFZSWDEAIP-UHFFFAOYSA-N 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 150000002632 lipids Chemical class 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 2
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 2
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 150000003852 triazoles Chemical class 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- QGLWBTPVKHMVHM-KTKRTIGZSA-N (z)-octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCN QGLWBTPVKHMVHM-KTKRTIGZSA-N 0.000 description 1
- BMVXCPBXGZKUPN-UHFFFAOYSA-N 1-hexanamine Chemical compound CCCCCCN BMVXCPBXGZKUPN-UHFFFAOYSA-N 0.000 description 1
- COBPKKZHLDDMTB-UHFFFAOYSA-N 2-[2-(2-butoxyethoxy)ethoxy]ethanol Chemical compound CCCCOCCOCCOCCO COBPKKZHLDDMTB-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- ZETIVVHRRQLWFW-UHFFFAOYSA-N 3-nitrobenzaldehyde Chemical compound [O-][N+](=O)C1=CC=CC(C=O)=C1 ZETIVVHRRQLWFW-UHFFFAOYSA-N 0.000 description 1
- VATRWWPJWVCZTA-UHFFFAOYSA-N 3-oxo-n-[2-(trifluoromethyl)phenyl]butanamide Chemical compound CC(=O)CC(=O)NC1=CC=CC=C1C(F)(F)F VATRWWPJWVCZTA-UHFFFAOYSA-N 0.000 description 1
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 1
- ZKBQDFAWXLTYKS-UHFFFAOYSA-N 6-Chloro-1H-purine Chemical compound ClC1=NC=NC2=C1NC=N2 ZKBQDFAWXLTYKS-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- KKUKTXOBAWVSHC-UHFFFAOYSA-N Dimethylphosphate Chemical compound COP(O)(=O)OC KKUKTXOBAWVSHC-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- XEUCQOBUZPQUMQ-UHFFFAOYSA-N Glycolone Chemical compound COC1=C(CC=C(C)C)C(=O)NC2=C1C=CC=C2OC XEUCQOBUZPQUMQ-UHFFFAOYSA-N 0.000 description 1
- UWIULCYKVGIOPW-UHFFFAOYSA-N Glycolone Natural products CCOC1=C(CC=CC)C(=O)N(C)c2c(O)cccc12 UWIULCYKVGIOPW-UHFFFAOYSA-N 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- OOSPDKSZPPFOBR-UHFFFAOYSA-N butyl dihydrogen phosphite Chemical compound CCCCOP(O)O OOSPDKSZPPFOBR-UHFFFAOYSA-N 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 1
- 125000005265 dialkylamine group Chemical group 0.000 description 1
- WZPMZMCZAGFKOC-UHFFFAOYSA-N diisopropyl hydrogen phosphate Chemical compound CC(C)OP(O)(=O)OC(C)C WZPMZMCZAGFKOC-UHFFFAOYSA-N 0.000 description 1
- 229940043279 diisopropylamine Drugs 0.000 description 1
- CZHYKKAKFWLGJO-UHFFFAOYSA-N dimethyl phosphite Chemical compound COP([O-])OC CZHYKKAKFWLGJO-UHFFFAOYSA-N 0.000 description 1
- WEHWNAOGRSTTBQ-UHFFFAOYSA-N dipropylamine Chemical compound CCCNCCC WEHWNAOGRSTTBQ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007046 ethoxylation reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- FJDUDHYHRVPMJZ-UHFFFAOYSA-N nonan-1-amine Chemical compound CCCCCCCCCN FJDUDHYHRVPMJZ-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003212 purines Chemical class 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 229960004418 trolamine Drugs 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/78—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing boron
-
- 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
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
- C10M107/30—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M107/32—Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
- C10M107/34—Polyoxyalkylenes
-
- 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
- C10M133/44—Five-membered ring 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
- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
-
- 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
- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/12—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having a phosphorus-to-carbon bond
-
- 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
-
- 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
- C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups 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
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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Abstract
The invention relates to hydraulic fluids, in particular brake fluids for motor vehicles, with improved anti-corrosion properties, containing (a) between 0.005 and 0.125 wt. % 1H-1,2,4-triazole and (b) between 0 and 10 wt. % of one or more corrosion inhibitors, whereby with the co-use of 1H-1,2,3-benzotriazole and/or 1H-1,2,3-tolyltriazole and/or their derivatives, the weight ratio of 1H-1,2,4-triazole to the aforementioned 1H-1,2,3-triazoles must be greater than 4:1.
Description
The present invention relates to have the hydraulic fluid of improved antiseptic property, especially for the braking fluid of Motor vehicles, it comprises:
(a) 1H-1 of 0.005-0.125 weight %, 2, the 4-triazole, and
(b) other inhibiter of one or more of 0-10 weight % is wherein being followed use 1H-1,2,3-benzotriazole and/or 1H-1,2, when 3-tolytriazole and/or its derivative, 1H-1,2,4-triazole and described 1H-1,2, the weight ratio of 3-triazole species must be greater than 4: 1.
For hydraulic fluid, very high requirement is arranged especially for the chemistry and the physicals of the braking fluid of Motor vehicles.According to the existing standards and norms of the FMVSS FMVSS-No.116 that publishes by Society of Automotive Engineers with the relevant braking fluid of the middle US freight department of SAE J 1704 standards (Federal Motor VehicleSafety Standard FMVSS-No.116 and the SAE J 1704 standard), modern braking fluid should have high dried boiling point (equilibrium reflux boiling point " ERBP ") and high wet boiling point (" wet ERBP ") on the one hand, also should have the only slight viscosity that changes in wide temperature range on the other hand.
In addition, automotive industry has more strict requirement for improved antiseptic property under metal and non-ferrous metal situation.Inhibiter in the braking fluid is used to prevent that the metallic substance that is caused by corrosion from destroying.
For a period of time, in hydraulic fluid or braking fluid, use 1H-1,2, the 3-triazole is such as 1H-1, and 2,3-benzotriazole or 1H-1,2, the 3-tolytriazole is known as inhibiter, for example referring to EP-A 028 789 (1) and EP-A 454 110 (2).
WO 00/46325 (3) has introduced hydraulic fluid, and it contains weight ratio is 1: 4 to 4: 1 1H-1, and 2,3-benzotriazole or derivatives thereof (such as 1H-1,2, the 3-tolytriazole) and 1H-1,2, the mixture of 4-triazole or derivatives thereof is as its slow-releasing agent system.In order to compare, the 1H-1 that only contains concentration 0.15 weight %, 2, the hydraulic fluid of 4-triazole have also been introduced in the table in (3) (1)-(4); But its corrosion inhibition only can be accepted under the situation of copper.
But hydraulic fluid and the braking fluid that is used for engine known in the prior art still can not be satisfactory aspect its aspect of performance, especially its antiseptic property.Therefore, the object of the present invention is to provide hydraulic fluid, it particularly can satisfy above-mentioned requirement for improved antiseptic property under the situation of metal and non-ferrous metal.
We have found that this purpose can realize by the waterpower or the power-transmission fluid of beginning definition.
The braking fluid of hydraulic fluid of the present invention, particularly Motor vehicles preferably contains 0.005-0.10 weight %, preferred 0.005-0.08 weight %, the particularly component of 0.005-0.06 weight % (a).
In preferred embodiments, the braking fluid of hydraulic fluid of the present invention, particularly Motor vehicles contains component (a) as only triazole species inhibiter.This means and got rid of herein such as 1H-1,2,3-benzotriazole, 1H-1,2,3-tolytriazole or hydrogenation 1H-1,2, the triazole of 3-tolytriazole and so on, and the inorganic and/or organic inhibitor with different structure can exist.
In another preferred embodiment, the braking fluid of hydraulic fluid of the present invention, particularly Motor vehicles also contains one or more other inhibiter (b) of maximum 10 weight %, particularly maximum 5 weight %, is wherein following use 1H-1,2,3-benzotriazole and/or 1H-1,2, under the situation of 3-tolytriazole and/or its derivative, 1H-1,2,4-triazole and described 1H-1,2, the weight ratio of 3-triazole species must be greater than 4: 1.
Other inhibiter (b) of Shi Heing an alkali metal salt of phosphoric acid and phosphorous acid particularly herein; Lipid acid and an alkali metal salt thereof are such as sad, lauric acid, palmitinic acid, stearic acid or oleic acid; The ester of phosphoric acid and phosphorous acid is such as etherophosphoric acid, dimethyl phosphate, p isopropylbenzoic acid ester, diisopropyl phosphate, phosphorous acid butyl ester or dimethylphosphite; Replace or the list of unsubstituted ethoxylation-and dialkylamine and with the salt of mineral acid and lipid acid, for example butylamine, hexylamine, octylame, different nonyl amine, oleyl amine, dipropyl amine, Diisopropylamine or dibutylamine; Replace or unsubstituted ethoxylation alkanolamine, for example single-, two-or trolamine, N, N '-di-n-butyl monoethanolamine or 1,1 '-imino-diacetic propan-2-ol, hexahydroaniline, benzoglyoxaline and hydrogenant tolytriazole, and nitro-aromatics, for example 3-nitrobenzaldehyde.
The content of described inhibiter (b) in the braking fluid of hydraulic fluid of the present invention, particularly Motor vehicles is 0.001-10 weight %, particularly 0.001-5 weight %.
In particularly preferred embodiments, hydraulic fluid of the present invention, particularly the braking fluid of Motor vehicles is except containing 1H-1,2, outside the 4-triazole (a), also contain 0.001-5 weight %, particularly one or more of 0.001-0.5 weight % are selected from benzoglyoxaline, hydrogenation 1H-1,2, the 3-tolytriazole, purine, VITAMIN B4,6-chloropurine, 2, the 6-dichloropurine, 6-methoxyl group purine, 1H-1,2, and the 3-triazole (4,5-b) pyridine, the compound of 6-histamine purine and 6-furfuryl group aminopurine, and if desired, other inhibiter except that (a) is as extra inhibiter (b).Be used for hydraulic fluid or braking fluid at the purine derivative described in the German patent application P 100 26 010.1 as the non-ferrous metal inhibiter.
Except as otherwise noted, all wt per-cent data that provide in the context under each situation are with respect to hydraulic fluid or braking fluid total amount meter.The weight of the hydraulic fluid of enumerating in the context in all cases, of the present invention or all components of braking fluid adds up to maximum 100 weight %.
The invention particularly relates to the braking fluid that is used for Motor vehicles, it comprises that component (a) is as inhibiter and component if desired (b).
In preferred embodiments, motor vehicle brake liquid of the present invention also comprises one or more polyglycol ethers and/or its boric acid ester of 0.1-97 weight %, particularly 30-97 weight %, especially 50-97 weight % except (a) and if desired (b).
The polyglycol ether of Shi Heing particularly has maximum 6 ethylene oxide units and has ethylene glycol one alkyl oxide of maximum 4 carbon atoms, for example diethylene glycol monomethyl ether, triglycol monomethyl ether or Tetraglycol 99 monobutyl ether at moieties herein.Have maximum 6 alkylene oxide units and also be fit to, for example triglycol dimethyl ether, tetraethylene glycol dimethyl ether, glycol ether di-tert-butyl ether, glycol ether dibutyl ether, butyldiglycol tertbutyl ether or dipropylene glycol dimethyl ether at ethylene glycol bisthioglycolate alkyl oxide and propylene glycol dialkyl ether that each moieties has maximum 4 carbon atoms.
The boric acid ester that is fit to of described or other polyglycol ether has particularly been described in the specification sheets of EP-B 013 925 (ring hypoboric acid ester), DE-C 28 04 535 (nitrogenous boric acid ester), DE-A 24 38 038 (boric acid aklylene glycol one alkyl ether acetate) and DE-B 17 68 933 (boric acid tri-alkoxy alkyl ester).
Except described polyglycol ether and/or its boric acid ester, motor vehicle brake liquid of the present invention can also contain those based on the material of carboxylicesters, mineral oil or silicone oil as conventional component.
In another preferred embodiment, motor vehicle brake liquid of the present invention also contains one or more polyglycol of 0.1-50 weight %, particularly 1-40 weight %, especially 5-30 weight % except that component (a) and if desired (b).
The polyglycol of Shi Heing the boiling point relative higher reaction product, particularly oxyethane and the mixture of propylene oxide and the corresponding product of water that form of oxyethane and/or propylene oxide and/or butylene oxide ring and water or glycol especially herein.Normally 2-10 of the number of the alkylene oxide unit of the polyglycol of the type.
The effect of these high boiling point polyglycol super fatting agents is to be used to improve temperature/viscosity performance in essence.Polyglycol has given the low viscosity polyglycol ether at high temperature enough viscosity, and and then has guaranteed competent lubrication.In the assembly of motor vehicle brake system, competent lubrication is necessary, because in these systems, rubber or elastomerics must slide on metal with low-down loss.
In motor vehicle brake liquid of the present invention, other component and auxiliary agent can be conventional antioxidants, for example thiodiphenylamine and/or those antioxidants based on phenol, and conventional antifoam.
In addition, braking fluid of the present invention can contain the ring carboxylic acid derivative of mentioning in WO 00/65001, and it is suitable as the component that reduces low temperature viscosity in the presence of water.
Described a small amount of 1H-1,2, the existence of 4-triazole guarantees that in the mode of excellence hydraulic fluid of the present invention or motor vehicle brake liquid meet previously described requirement, especially under the situation of metal such as iron, stainless steel, tinned(sheet)iron, the pig iron (graphitic pig iron), lead, tin, chromium, zinc, aluminium, magnesium and alloy thereof, with at welding metal for example under the situation of scolding tin, and at non-ferrous metal for example copper and alloy thereof for example under the situation of brass, compared with prior art, has good antiseptic property, promptly improved antiseptic property.
Other advantage of hydraulic fluid of the present invention or motor vehicle brake liquid is the low temperature viscosity that it is good, good water-compatible, gentle pH, good low temperature, high temperature and oxidative stability, with such as the material of rubber, plastics, tree lace, fiber, elastomerics and rubber seal and the superperformance of analogous material (i.e. You Yi consistency), and excellent lubricating property.
Only use a small amount of 1H-1 in hydraulic fluid of the present invention or the motor vehicle brake liquid, 2, the 4-triazole, this economical and ecological aspect be quite favourable.
Following examples are used for setting forth without limitation the present invention.
Application Example
Based on (ERBP:267 ℃ of commercially available DOT 4 or DOT 5.1 braking fluid BF 1, wet ERBP:173 ℃, 676 cSt) and (ERBP:263 ℃ of BF 2-40 ℃ kinetic viscosity:, wet ERBP:181 ℃,-40 ℃ kinetic viscosity: 850cSt) have 0.05 weight %1H-1 respectively, 2, the 3-tolytriazole detects BF 1a of the present invention, BF 1b, BF 1c and BF 2a and compares as the non-ferrous metal inhibiter.
The motor vehicle brake liquid that uses is composed as follows: BF1:
55.00 the triglycol methyl ether boric acid ester of weight %,
43.44 the mixture of the triglycol monomethyl ether of weight %, Tetraglycol 99 monomethyl ether, triglycol monobutyl ether and diethylene glycol monomethyl ether,
1.51 1 of weight %, the mixture of 1 '-imino-diacetic propan-2-ol, thiodiphenylamine and phosphoric acid ester, the 1H-1 of 0.05 weight %, 2,3-tolytriazole BF2:
68.00 the triglycol methyl ether boric acid ester of weight %,
28.84 the mixture of triglycol monomethyl ether, diethylene glycol monomethyl ether, butylcarbitol and the glycol ether of weight %,
3.11 1 of weight %, the mixture of 1 '-imino-diacetic propan-2-ol, thiodiphenylamine and phosphonate derivative, the 1H-1 of 0.05 weight %, 2,3-tolytriazole.
The difference part of braking fluid BF 1a of the present invention and BF 2a and BF 1 and BF 2 only is 0.05 weight %1H-1,2, and the 3-tolytriazole is by the 1H-1 of same amount, and 2, the 4-triazole replaces; Braking fluid BF 1b contains 0.04 weight %1H-1, and 2,4-triazole and 0.01 weight % VITAMIN B4, rather than 0.05 weight %1H-1,2,3-tolytriazole; Braking fluid BF 1c of the present invention contains 0.07 weight %1H-1, and 2,4-triazole (but 54.98 weight % triglycol monomethyl ether boric acid esters are only arranged), rather than 0.05 weight %1H-1,2,3-tolytriazole.
Applied research is carried out according to 2000 editions PSA Peugeot-Citro ё n D 53 5387 copper corrosions experiments.In this experiment, at first will in acetone, clean in advance, total surface area is 1000cm
2(copper sheet of size: 71.4cm * 7cm * 0.05cm) is rolled into cylindric, and like this, inner metallic surface just can not contact with himself.Then copper sheet is placed the mixture that contains 294ml braking fluid and 6ml distilled water, and be heated to 100 ℃ 100 hours; The air that passes through from be cooled to 2 ℃ distilled water is in advance passed through fluid with 10 liters/hour speed.After the experiment, visually rank unfolded copper sheet outward appearance and fluid outward appearance, and the copper content in the mensuration fluid.
It is 1 described that experimental result sees the following form.
Table 1:
Cu content [mg/kg] | Cu sheet outward appearance | The fluid outward appearance | pH | |
BF 1 (contrast): | ????24 | Thick coating | Muddiness, precipitation | ??7.4 |
????BF?1a: | ????29 | Light, no coating | Amber, clarification | ??7.6 |
????BF?1b: | ????34 | Light, no coating | Amber, clarification | ??7.6 |
????BF?1c: | ????18 | Light, no coating | Amber, clarification | ??7.5 |
BF 2 (contrast): | ????10 | Thick coating | Muddiness, precipitation | ??7.6 |
????BF?2a: | ????30 | Light, no coating | Amber, clarification | ??7.7 |
From with the contrast of conventional brake liquid as can be seen, prescription of the present invention is such as BF 1 and BF 2, not only to provide extraordinary copper antiseptic property than low content of Cu in the Experimental Flowing Object, but also obtained not containing the metallic surface of coating, and in braking fluid, form precipitation.
Following result according to SAE J 1704 (in January, 97) corrosion experiment also proves, 1H-1,2, the braking fluid of the present invention that 4-triazole content is lower, such as BF 2a, be better than non-1H-1 of the present invention, 2, the prescription that 4-triazole content is higher, such as BF 1d, (BF 1d is corresponding to BF 1, but contains 0.20 weight %1H-1 because braking fluid of the present invention demonstrates better Corrosion results under the situation of copper, 2,4-triazole, rather than 1H-1,2, the 3-tolytriazole, and only contain 54.85 weight % triglycol monomethyl ether boric acid esters):
Following table 2 has shown the corrosion experiment result who carries out according to SAE J 1704 (in January, 97).
Table 2:
Metal | Changes in weight [the mg/cm of BF 2a 2] | Changes in weight [the mg/cm of BF 1d (contrast) 2] |
Tinned(sheet)iron | ????0.00 | ????-0.01 |
Stainless steel | ????+0.03 | ????0.00 |
Aluminium | ????0.00 | ????0.00 |
Cast iron | ????+0.05 | ????+0.02 |
Brass | ????0.00 | ????0.00 |
Copper | ????-0.05 | ????-0.11 |
Zinc | ????+0.05 | ????+0.04 |
Claims (7)
1. hydraulic fluid with improved antiseptic property comprises:
(a) 1H-1 of 0.005-0.125 weight %, 2, the 4-triazole, and
(b) other inhibiter of one or more of 0-10 weight % is wherein being followed use 1H-1, and 2,3-benzotriazole and/or 1H-1,2, when 3-tolytriazole and/or its derivative, 1H-1,2,4-triazole and described 1H-1,2, the weight ratio of 3-triazole must be greater than 4: 1.
2. the hydraulic fluid of claim 1 comprises the component (a) of 0.005-0.08 weight %.
3. claim 1 or 2 hydraulic fluid contain component (a) as only triazolyl inhibiter.
4. claim 1 or 2 hydraulic fluid, one or more that contain 0.001-0.5 weight % are selected from benzoglyoxaline, hydrogenation 1H-1,2,3-tolytriazole, purine, VITAMIN B4,6-chloropurine, 2,6-dichloropurine, 6-methoxyl group purine, 1H-1,2,3-triazole (4,5-b) the compound of pyridine, 6-histamine purine and 6-furfuryl group aminopurine, and if desired, other inhibiter except that (a) is as component (b).
5. a braking fluid that is used for Motor vehicles comprises each described component (a) of claim 1-4 and if desired (b) as inhibiter.
6. the braking fluid that is used for Motor vehicles of claim 5 except that component (a) and if desired (b), also comprises one or more polyglycol ethers and/or its boric acid ester of 0.1-97 weight %.
7. claim 5 or 6 the braking fluid that is used for Motor vehicles except that component (a) and if desired (b), also comprise one or more polyglycol of 0.1-50 weight %.
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DE10117647.3 | 2001-04-09 | ||
DE10117647A DE10117647A1 (en) | 2001-04-09 | 2001-04-09 | Hydraulic fluids with improved corrosion protection |
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CN1312261C CN1312261C (en) | 2007-04-25 |
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EP (1) | EP1379615B1 (en) |
JP (1) | JP4116445B2 (en) |
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CA (1) | CA2442697C (en) |
CZ (1) | CZ299651B6 (en) |
DE (2) | DE10117647A1 (en) |
ES (1) | ES2235077T3 (en) |
HU (1) | HUP0303757A2 (en) |
MX (1) | MXPA03007944A (en) |
NO (1) | NO325635B1 (en) |
PL (1) | PL197796B1 (en) |
PT (1) | PT1379615E (en) |
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CN111676082A (en) * | 2020-05-11 | 2020-09-18 | 江苏龙蟠科技股份有限公司 | Brake fluid for ESP (electronic stability program) automobile control system and preparation method thereof |
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JP2009507938A (en) * | 2005-07-01 | 2009-02-26 | ダウ グローバル テクノロジーズ インコーポレイティド | Low viscosity functional fluid |
US20070093395A1 (en) * | 2005-10-21 | 2007-04-26 | Habeeb Jacob J | Antiwear inhibiting and load enhancing additive combinations for lubricating oils |
US7535673B2 (en) * | 2006-01-23 | 2009-05-19 | Hitachi Global Storage Technologies Netherlands B.V. | Fluid dynamic bearing comprising a lubricating fluid having tolutriazole |
WO2008142795A1 (en) | 2007-05-24 | 2008-11-27 | Chiyoda Chemical Co., Ltd. | Functional fluid |
US10669503B2 (en) | 2014-02-25 | 2020-06-02 | Jon A. Petty | Corrosion inhibiting hydraulic fluid additive |
US9593289B2 (en) * | 2014-02-25 | 2017-03-14 | Jon A. Petty | Corrosion inhibiting hydraulic fluid additive |
CN107557121A (en) * | 2017-08-15 | 2018-01-09 | 杭州天汇精细化工有限公司 | A kind of motor vehicle brake fluid and its production method |
US12018224B2 (en) | 2021-07-28 | 2024-06-25 | Afton Chemical Corporation | Hydraulic fluid |
US11788026B2 (en) | 2021-07-28 | 2023-10-17 | Afton Chemical Corporation | Hydraulic fluid |
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DE2945094A1 (en) * | 1979-11-08 | 1981-05-21 | Hoechst Ag, 6000 Frankfurt | HYDRAULIC LIQUID WITH IMPROVED PROPERTIES |
DE4013243A1 (en) * | 1990-04-26 | 1991-10-31 | Hoechst Ag | AGAINST METAL CORROSION INHIBITED BRAKE FLUIDS BASED ON GLYCOL COMPOUNDS |
GB2272000B (en) * | 1992-10-30 | 1997-03-26 | Castrol Ltd | A method of inhibiting corrosion |
ATE178953T1 (en) * | 1994-12-23 | 1999-04-15 | Cookson Group Plc | METHOD FOR CORROSION INHIBITION OF COPPER AND COPPER ALLOYS |
FR2733509B1 (en) * | 1995-04-28 | 1997-07-04 | Bp Chemicals Snc | ANTIFREEZE COMPOSITION AND AQUEOUS FLUID COMPRISING THE COMPOSITION |
US6074992A (en) * | 1999-02-02 | 2000-06-13 | Union Carbide Chemicals & Plastics Technology Corporation | Functional fluid compositions |
GB9924358D0 (en) * | 1999-10-14 | 1999-12-15 | Brad Chem Technology Ltd | Corrosion inhibiting compositions |
DE10026010A1 (en) * | 2000-05-25 | 2001-11-29 | Basf Ag | Hydraulic liquid, useful as a brake fluid and having improved corrosion protection for bright metals, contains 0.005-0.5 wt.% of at least one heterocyclic compound |
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2001
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CN111676082A (en) * | 2020-05-11 | 2020-09-18 | 江苏龙蟠科技股份有限公司 | Brake fluid for ESP (electronic stability program) automobile control system and preparation method thereof |
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KR100861969B1 (en) | 2008-10-08 |
AR033453A1 (en) | 2003-12-17 |
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CA2442697C (en) | 2011-03-15 |
EP1379615B1 (en) | 2004-12-29 |
KR20030087063A (en) | 2003-11-12 |
ES2235077T3 (en) | 2005-07-01 |
ATE286112T1 (en) | 2005-01-15 |
NO20034495D0 (en) | 2003-10-08 |
SK11922003A3 (en) | 2004-02-03 |
CN1312261C (en) | 2007-04-25 |
SK286828B6 (en) | 2009-06-05 |
CZ299651B6 (en) | 2008-10-01 |
JP2004523641A (en) | 2004-08-05 |
HUP0303757A2 (en) | 2004-03-01 |
MXPA03007944A (en) | 2004-04-02 |
US20040116306A1 (en) | 2004-06-17 |
BR0208415A (en) | 2004-03-30 |
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