EP1379615B1 - Hydraulische flüssigkeiten mit verbessertem korrosionsschutz - Google Patents

Hydraulische flüssigkeiten mit verbessertem korrosionsschutz Download PDF

Info

Publication number
EP1379615B1
EP1379615B1 EP02759789A EP02759789A EP1379615B1 EP 1379615 B1 EP1379615 B1 EP 1379615B1 EP 02759789 A EP02759789 A EP 02759789A EP 02759789 A EP02759789 A EP 02759789A EP 1379615 B1 EP1379615 B1 EP 1379615B1
Authority
EP
European Patent Office
Prior art keywords
weight
motor vehicles
triazole
tolutriazole
brake fluid
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.)
Expired - Lifetime
Application number
EP02759789A
Other languages
English (en)
French (fr)
Other versions
EP1379615A1 (de
Inventor
Bernd Wenderoth
Michael Roida
Bayram Aydin
Uwe Fidorra
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Publication of EP1379615A1 publication Critical patent/EP1379615A1/de
Application granted granted Critical
Publication of EP1379615B1 publication Critical patent/EP1379615B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • C10M2209/1045—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only 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
    • 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
    • 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
    • C10M2209/1055—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only 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
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/106—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms only
    • C10M2209/1065—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms only used as base material
    • 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
    • C10M2209/107—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106
    • C10M2209/1075—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106 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
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
    • C10M2209/1085—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified used as base material
    • 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
    • C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
    • C10M2209/1095—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified 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
    • 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
    • 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
    • C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2215/044—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms having cycloaliphatic 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • 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
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
    • 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
    • C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
    • C10M2215/226—Morpholines
    • 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
    • C10M2215/24—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions having hydrocarbon substituents containing thirty or more carbon atoms, e.g. nitrogen derivatives of substituted succinic acid
    • C10M2215/26—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
    • C10M2215/24—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions having hydrocarbon substituents containing thirty or more carbon atoms, e.g. nitrogen derivatives of substituted succinic acid
    • C10M2215/30—Heterocyclic compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • C10M2219/108—Phenothiazine
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/042—Metal salts 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/049—Phosphite
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
    • C10M2223/061—Metal salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
    • C10M2223/065—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds containing sulfur
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/10—Phosphatides, e.g. lecithin, cephalin
    • 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
    • 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
    • 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
    • C10M2227/062—Cyclic esters
    • 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
    • C10M2227/062—Cyclic esters
    • C10M2227/0625—Cyclic esters used as base material
    • 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

Definitions

  • Brake fluids for motor vehicles are subject to very high requirements in terms of their chemical and physical properties. According to the existing standards and specifications for brake fluids from the US Department of Transportation in the Federal Motor Vehicle Safety Standard FMVSS No. 116 and the standard SAE J 1704 issued by the Society of Automotive Engineers, modern brake fluids should on the one hand have high dry boiling points (reflux boiling points, dry [Equilibrium reflux boiling point, "ERBP”]) and high wet boiling points (reflux boiling points, moist ["wet ERBP”]) have, on the other hand, also have a viscosity that changes only little within a wide temperature range.
  • ERBP Equilibrium reflux boiling point
  • 1H-1,2,3-triazoles such as 1H-1,2,3-benzotriazole or 1H-1,2,3-tolutriazole as corrosion inhibitors in hydraulic fluids or brake fluids has long been known, for example from EP-A 028 789 (1) and EP-A 454 110 (2).
  • hydraulic fluids are recommended that contain a combination of 1H-1,2,3-benzotriazole or its derivatives such as 1H-1,2,3-tolutriazuol and 1H-1,2,4-triazole or whose Contain derivatives in a weight ratio of 1: 4 to 4: 1 as a corrosion inhibitor system.
  • hydraulic fluids are also given in Tables 1 to 4 of (3) which contain 1H-1,2,4-triazole alone in concentrations of 0.15% by weight; however, their corrosion-preventing effect is only acceptable with copper.
  • the brake fluids for motor vehicles known in the prior art are, however, still in need of improvement with regard to their properties and in particular with regard to corrosion protection.
  • the object was therefore to provide hydraulic fluids which in particular meet the above-mentioned requirements for improved corrosion protection in metals and non-ferrous metals.
  • the brake fluids according to the invention for motor vehicles preferably contain 0.005 to 0.10% by weight, preferably 0.005 to 0.08% by weight, in particular 0.005 to 0.06% by weight, of component (a).
  • the brake fluids according to the invention for motor vehicles contain component (a) as the sole corrosion inhibitor based on triazoles.
  • component (a) as the sole corrosion inhibitor based on triazoles.
  • triazoles such as 1H-1,2,3-benzotriazole, 1H-1,2,3-tolutriazole or hydrogenated 1H-1,2,3-tolutriazole are excluded here, and inorganic and / or organic corrosion inhibitors of a different structure can be excluded however, be present.
  • the brake fluids according to the invention for motor vehicles contain up to 10% by weight, in particular up to 5% by weight, of one or more further corrosion inhibitors (b), with 1H-1,2,3 -Benzotriazole and / or 1H-1,2,3-tolutriazole and / or their derivatives, the weight ratio of 1H-1,2,4-triazole to the 1H-1,2,3-triazoles mentioned is greater than 4: 1 must be.
  • b further corrosion inhibitors
  • Further corrosion inhibitors (b) are especially alkali metal salts of phosphoric acid and phosphorous acid, fatty acids such as caprylic, lauric, palmitic, stearic or oleic acid and their alkali metal salts, esters of phosphoric acid and phosphorous acid such as ethyl phosphate, dimethyl phosphate, isopropyl phosphate, Diisopropyl phosphate, butyl phosphite or dimethyl phosphite, optionally ethoxylated mono- and dialkylamines and their salts with mineral and fatty acids, e.g.
  • ethoxylated alkanolamines e.g. mono-, di- or triethanolamine, N, N'- Di-n-butylaminoethanol or 1,1'-iminodipropan-2-ol, cyclohexylamine, benzimidazole and hydrogenated tolutriazole and also nitroaromatics
  • the cited corrosion inhibitors (b) are preferably present in amounts of 0.001 to 10% by weight, in particular 0.001 to 5% by weight, in the hydraulic fluids according to the invention, in particular brake fluids for motor vehicles.
  • the brake fluids according to the invention for motor vehicles contain, in addition to 1H-1,2,4-triazole (a), as additional corrosion inhibitors (b) 0.001 to 5% by weight, in particular 0.001 to 0.5% by weight, one or more compounds from the group benzimidazole, hydrogenated 1H-1,2,3-tolutriazole, purine, adenine, 6-chloropurine, 2,6-dichloropurine, 6-methoxypurine, 1H-1,2,3-triazolo (4, 5B) pyridine, 6-histaminopurine and 6-furfurylaminopurine and optionally further corrosion inhibitors other than (a).
  • the purine derivatives mentioned are described as non-ferrous metal corrosion inhibitors for hydraulic fluids or brake fluids in German patent application Az. P 100 26 010.1.
  • the present invention relates to brake fluids for motor vehicles which contain the stated components (a) and optionally (b) as corrosion inhibitors.
  • the brake fluids according to the invention for motor vehicles contain, in addition to components (a) and optionally (b), also 0.1 to 97% by weight, in particular 30 to 97% by weight, especially 50 to 97% by weight , one or more polyglycol ethers and / or their boric acid esters.
  • Suitable polyglycol ethers are above all ethylene glycol monoalkyl ethers with up to 6 ethylene oxide units and with up to 4 carbon atoms in the alkyl radical, such as, for example, methyl diglycol, methyl triglycol, butyl triglycol or methyl tetraglycol.
  • Ethylene glycol or propylene glycol dialkyl ethers with up to 6 alkylene oxide units and each with up to 4 carbon atoms in the alkyl radicals are also suitable, for example triethylene glycol dimethyl ether, tetraethylene glycol dimethyl ether, diethylene glycol di-tert-butyl ether, diethylene glycol dibutyl ether, Butyl diglycol tert-butyl ether or dipropylene glycol dimethyl ether.
  • Suitable boric acid esters of the polyglycol ethers mentioned or of other polyglycol ethers are in particular in the documents EP-B 013 925 (cyclic bis-boric acid esters), DE-C 28 04 535 (nitrogen-containing boric acid esters), DE-A 24 38 038 (boric acid-alkylene glycol monoalkyl ether esters ) and DE-B 17 68 933 (boric acid tris-alkoxyalkyl ester).
  • the brake fluids according to the invention for motor vehicles can also contain, as the main component, those based on carboxylic acid esters, mineral oils or silicone oils.
  • the brake fluids according to the invention for motor vehicles contain, in addition to components (a) and optionally (b), also 0.1 to 50% by weight, in particular 1 to 40% by weight, especially 5 to 30% by weight. %, one or more polyglycols.
  • Suitable polyglycols here are above all higher-boiling reaction products of ethylene oxide and / or propylene oxide and / or butylene oxide with water or diols; in particular, corresponding reaction products of mixtures of ethylene oxide and propylene oxide with water are used.
  • the number of alkylene oxide units in such polyglycols is usually 2 to 10.
  • the effect of these high-boiling polyglycols is that of a lubricant, which is essentially due to an improvement in the temperature-viscosity behavior.
  • the polyglycols give the low-viscosity polyglycol ethers sufficient viscosity at high temperatures and thus ensure adequate lubrication. Sufficient lubrication is therefore necessary in the components of the motor vehicle brake system, since rubber or elastomers must slide on metal there with as little wear as possible.
  • Further components and auxiliaries in the brake fluids according to the invention for motor vehicles can be customary antioxidants such as phenothiazine and / or those based on phenol, and customary defoamers.
  • the brake fluids according to the invention can contain the cyclic carboxylic acid derivatives listed in WO 00/65001, which are suitable as components for lowering the low-temperature viscosity in the presence of water.
  • Brake fluids for motor vehicles meet the requirements mentioned above and that, in particular, generally good corrosion behavior compared to the state of the art, i.e. improved corrosion protection for metals such as iron, steel, tinplate, cast iron (gray cast iron), lead, tin, chromium, zinc, aluminum, Magnesium and their alloys and in the case of soldering metals, for example soldering tin, and in the case of non-ferrous metals such as copper and their alloys, for example brass.
  • metals such as iron, steel, tinplate, cast iron (gray cast iron), lead, tin, chromium, zinc, aluminum, Magnesium and their alloys and in the case of soldering metals, for example soldering tin, and in the case of non-ferrous metals such as copper and their alloys, for example brass.
  • Brake fluids for motor vehicles are their favorable low-temperature viscosity, good water compatibility, a gentle pH value, good cold, high temperature and oxidation stability as well as good chemical stability, good behavior (i.e. good compatibility) with materials such as rubbers, plastics, glue joints , Fiber, elastomer and rubber seals and similar materials as well as good lubricating properties.
  • brake fluids BF 1 (ERBP: 267 ° C, wet ERBP: 173 ° C, kinematic viscosity at -40 ° C: 676 cSt) and BF 2 (ERBP: 263 ° C, wet ERBP: 181 ° C, kinematic viscosity at -40 ° C: 850 cSt) with 0.05% by weight of 1H-1,2,3-tolutriazole as non-ferrous metal corrosion inhibitor in each case
  • the brake fluids BF 1a, BF 1b, BF 1c and BF 2a were tested.
  • the motor vehicle brake fluids used had the following compositions: BF 1: 55.00 wt% Methyl triglycol borate, 43.44 wt% Mixture of methyl triglycol, methyl tetraglycol, butyl triglycol and methyl diglycol, 1.51 wt% Mixture of 1,1'-iminodipropan-2-ol, phenothiazine and a phosphoric acid ester 0.05 wt% 1H-1,2,3-tolutriazole BF 2: 68.00 wt% Methyl triglycol borate, 28.84 wt% Mixture of methyl triglycol, methyl diglycol, butyl diglycol and diglycol, 3.11% by weight Mixture of 1,1'-iminodipropan-2-ol, hydroxyanisole and a phosphonic acid derivative 0.05 wt% 1H-1,2,3-tolutriazole.
  • the brake fluids BF 1a and BF 2a according to the invention differ from BF 1 and BF 2 only in that they contain the same amount of 1H-1,2,4 instead of 0.05% by weight of 1H-1,2,3-tolutriazole -Triazole contained; the inventive brake fluid BF 1b contained 0.04% by weight 1H-1,2,4-triazole and 0.01% by weight adenine instead of 0.05% by weight 1H-1,2,3-tolutriazole; the inventive brake fluid BF 1c contained 0.07% by weight 1H-1,2,4-triazole instead of 0.05% by weight 1H-1,2,3-tolutriazole (but only 54.98% by weight % Methyl triglycol borate).
  • Table 1 Cu content [mg / kg] Cu sheet, appearance Liquid, appearance PH value BF 1 (comparison): 24 strong covering cloudy, precipitates 7.4 BF 1a: 29 blank, no coating amber, clear 7.6 BF 1b: 34 blank, no coating amber, clear 7.6 BF 1c: 18th blank, no coating amber, clear 7.5 BF 2 (comparison): 10 strong covering cloudy, precipitates 7.6 BF 2a: 30th blank, no coating amber, clear 7.7
  • the formulations according to the invention not only offer very good copper corrosion protection with a low Cu content in the test fluid, but also produce a coating-free metal surface and no sedimentation in the brake fluid.
  • Table 2 The results after the corrosion test according to SAE J 1704 (Jan. 97) are shown in Table 2 below.
  • Table 2 metal BF 2a weight change [mg / cm 2 ] BF 1d (comparison) change in weight [mg / cm 2 ]
  • Gray cast iron +0.05 +0.02 Brass 0.00 0.00 copper - 0.05 - 0.11 zinc +0.05 +0.04

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Lubricants (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Braking Arrangements (AREA)

Description

  • Die vorliegende Erfindung betrifft Bremsflüssigkeiten für Kraftfahrzeuge mit verbessertem Korrosionsschutz, enthaltend
    • (a) 0,005 bis 0,125 Gew.-% 1H-1,2,4-Triazol und
    • (b) 0 bis 10 Gew.-% eines oder mehrerer weiterer Korrosionsinhibitoren, wobei bei Mitverwendung von 1H-1,2,3-Benzotriazol und/oder 1H-1,2,3-Tolutriazol und/oder deren Derivaten das Gew.-Verhältnis von 1H-1,2,4-Triazol zu den genannten 1H-1,2,3-Triazolen größer als 4:1 sein muß,
    Sowie weiterhin 0,1 bis 97 Gew.-% eines oder mehrerer Polyglykolether und/oder deren Borsäureester.
  • Bremsflüssigkeiten für Kraftfahrzeuge unterliegen hinsichtlich ihrer chemischen und physikalischen Eigenschaften sehr hohen Anforderungen. Entsprechend der bestehenden Normen und Spezifikationen für Bremsflüssigkeiten vom US-Department of Transportation im Federal Motor Vehicle Safety Standard FMVSS-Nr. 116 und der von der Society of Automotive Engineers herausgegebenen Norm SAE J 1704 sollen moderne Bremsflüssigkeiten einerseits über hohe Trockenkochpunkte (Rückflußsiedepunkte, trocken [Equilibrium reflux boiling point, "ERBP"]) sowie hohe Naßkochpunkte (RückfluBsiedepunkte, feucht ["wet ERBP"]) verfügen, andererseits aber auch eine Viskosität aufweisen, die sich innerhalb eines weiten Temperaturbereiches nur wenig ändert.
  • Darüber hinaus bestehen weitergehende Anforderungen aus dem Kreis der Automobilindustrie nach einem verbesserten Korrosionsschutz bei Metallen und Buntmetallen. Korrosionsinhibitoren haben in Bremsflüssigkeiten die Aufgabe, die durch Korrosion verursachte Zerstörung metallischer Werkstoffe zu verhindern.
  • Der Einsatz von 1H-1,2,3-Triazolen wie 1H-1,2,3-Benztriazol oder 1H-1,2,3-Tolutriazol als Korrosionsinhibitoren in hydraulischen Flüssigkeiten bzw. Bremsflüssigkeiten ist seit langem bekannt, beispielsweise aus EP-A 028 789 (1) und EP-A 454 110 (2).
  • In der WO 00/46325 (3) werden Hydraulikflüssigkeiten empfohlen, die eine Kombination aus 1H-1,2,3-Benzotriazol oder dessen Derivaten wie 1H-1,2,3-Tolutriazuol und 1H-1,2,4-Triazol oder dessen Derivaten im Gew.-Verhältnis von 1:4 bis 4:1 als Korrosionsinhibitorsystem enthalten. Zu Vergleichszwecken werden in Tabelle 1 bis 4 von (3) auch Hydraulikflüssigkeiten angegeben, die 1H-1,2,4-Triazol allein in Konzentrationen von 0,15 Gew.-% enthalten; deren korrosionsverhindernde Wirkung ist jedoch nur bei Kupfer akzeptabel.
  • Die im Stand der Technik bekannten Bremsflüssigkeiten für Kraftfahrzeuge sind in Hinblick auf ihre Eigenschaften und insbesondere auf den Korrosionsschutz jedoch noch verbesserungsbedürftig. Es bestand daher die Aufgabe, hydraulische Flüssigkeiten bereitzustelle, welche insbesondere die oben genannten Anforderungen nach einem verbesserten Korrosionsschutz bei Metallen und Buntmetallen erfüllen.
  • Demgemäß wurden die eingangs definierten hydraulischen oder kraftübertragenden Flüssigkeiten gefunden.
  • Die erfindungsgemäßen Bremsflüssigkeiten für Kraftfahrzeuge, enthalten vorzugsweise 0,005 bis 0,10 Gew.-%, vorzugsweise 0,005 bis 0,08 Gew.-%, insbesondere 0,005 bis 0,06 Gew.-%, der Komponente (a).
  • Die erfindungsgemäßen Bremsflüssigkeiten für Kraftfahrzeuge, enthalten in einer bevorzugten Ausführungsform die Komponente (a) als alleinigen Korrosionsinhibitor auf Triazol-Basis. Damit ist gemeint, daß Triazole wie 1H-1,2,3-Benzotriazol, 1H-1,2,3-Tolutriazol oder hydriertes 1H-1,2,3-Tolutriazol hierbei ausgeschlossen werden, anorganische und/oder organische Korrosionsinhibitoren anderer Struktur können jedoch anwesend sein.
  • In einer anderen bevorzugten Ausführungsform enthalten die erfindungsgemäßen Bremsflüssigkeiten für Kraftfahrzeuge, noch bis zu 10 Gew.-%, insbesondere bis zu 5 Gew.-%, eines oder mehrerer weiterer Korrosionsinhibitoren (b), wobei bei Mitverwendung von 1H-1,2,3-Benzotriazol und/oder 1H-1,2,3-Tolutriazol und/oder deren Derivaten das Gew.-Verhältnis von 1H-1,2,4-Triazol zu den genannten 1H-1,2,3-Triazolen größer als 4:1 sein muß.
  • Als weitere Korrosionsinhibitoren (b) kommen hierbei vor allem Alkalimetallsalze von Phosphorsäure und phosphoriger Säure, Fettsäuren wie Capryl-, Laurin-, Palmitin-, Stearin- oder Ölsäure sowie deren Alkalimetallsalze, Ester der Phosphorsäure und der phosphorigen Säure wie Ethylphosphat, Dimethylphosphat, Isopropylphosphat, Diisopropylphosphat, Butylphosphit oder Dimethylphosphit, gegebenenfalls ethoxylierte Mono- und Dialkylamine und deren Salze mit Mineral- und Fettsäuren, z.B. Butylamin, Hexylamin, Octylamin, Isononylamin, Oleylamin, Dipropylamin, Diisopropylamin oder Dibutylamin, gegebenenfalls ethoxylierte Alkanolamine, z.B. Mono-, Di- oder Triethanolamin, N,N'-Di-n-Butylaminoethanol oder 1,1'-Iminodipropan-2-ol, Cyclohexylamin, Benzimidazol und hydriertes Tolutriazol sowie Nitroaromaten, z.B. 3-Nitrobenzaldehyd, in Betracht.
  • Die genannte Korrosionsinhibitoren (b) liegen vorzugsweise in Mengen von 0,001 bis 10 Gew.-%, insbesondere 0,001 bis 5 Gew.-%, in den erfindungsgemäßen hydraulischen Flüssigkeiten, insbesondere Bremsflüssigkeiten für Kraftfahrzeuge, vor.
  • In einer besonders bevorzugten Ausführungsform enthalten die erfindungsgemäßen Bremsflüssigkeiten für Kraftfahrzeuge, neben 1H-1,2,4-Triazol (a) als zusätzliche Korrosionsinhibitoren (b) 0,001 bis 5 Gew.-%, insbesondere 0,001 bis 0,5 Gew.-%, einer oder mehrerer Verbindungen aus der Gruppe Benzimidazol, hydriertes 1H-1,2,3-Tolutriazol, Purin, Adenin, 6-Chloropurin, 2,6-Dichloropurin, 6-Methoxypurin, 1H-1,2,3-Triazolo(4,5B)pyridin, 6-Histaminopurin und 6-Furfurylaminopurin und gegebenenfalls weitere von (a) verschiedene Korrosionsinhibitoren. Die genannten Purin-Derivate werden als Buntmetall-Korrosionsinhibitoren für hydraulische Flüssigkeiten bzw. Bremsflüssigkeiten in der deutschen Patentanmeldung Az. P 100 26 010.1 beschrieben.
  • Alle vorstehenden und nachfolgenden Gew.-%-Angaben beziehen sich jeweils auf die Gesamtmenge der Bremsflüssigkeit, sofern nichts anderes angegeben ist. Die Summe aller vorstehend und nachfolgend aufgeführten Komponenten für die erfindungsgemäßen hydraulischen Flüssigkeiten bzw. Bremsflüssigkeiten addiert sich jeweils auf 100 Gew.-%.
  • Gegenstand der vorliegenden Erfindung sind Bremsflüssigkeiten für Kraftfahrzeuge, die als Korrosionsinhibitoren die genannten Komponenten (a) und gegebenenfalls (b) enthalten.
  • Die erfindungsgemäßen Bremsflüssigkeiten für Kraftfahrzeuge enthalten in einer bevorzugten Ausführungsform neben den Komponenten (a) und gegebenenfalls (b) weiterhin 0,1 bis 97 Gew.-%, insbesondere 30 bis 97 Gew.-%, vor allem 50 bis 97 Gew.-%, eines oder mehrerer Polyglykolether und/oder deren Borsäureester.
  • Geeignete Polyglykolether sind hierbei vor allem Ethylenglykolmonoalkylether mit bis zu 6 Ethylenoxid-Einheiten und mit bis zu 4 Kohlenstoffatomen im Alkylrest, wie zum Beispiel Methyldiglykol, Methyltriglykol, Butyltriglykol oder Methyltetraglykol. Weiterhin kommen Ethylenglykol- oder Propylenglykoldialkylether mit bis zu 6 Alkylenoxid-Einheiten und mit jeweils bis zu 4 Kohlenstoffatomen in den Alkylresten in Betracht, wie zum Beispiel Triethylenglykol-dimethylether, Tetraethylenglykol-dimethylether, Diethylenglykol-di-tert.-butylether, Diethylenglykol-dibutylether, Butyldiglykol-tert.-butylether oder Dipropylenglykol-dimethylether.
  • Geeignete Borsäureester der genannten oder von anderen Polyglykolethern sind insbesondere in den Schriften EP-B 013 925 (cyclische Bis-borsäureester), DE-C 28 04 535 (stickstoffhaltige Borsäureester), DE-A 24 38 038 (Borsäure-Alkylenglykol-Monoalkylether-Ester) und DE-B 17 68 933 (Borsäure-tris-alkoxyalkylester) beschrieben.
  • Anstelle der genannten Polyglykolether und/oder deren Borsäureester können die erfindungsgemäßen Bremsflüssigkeiten für Kraftfahrzeuge als Hauptkomponente auch solche auf Basis von Carbonsäureestern, Mineralölen oder Silikonölen enthalten.
  • Die erfindungsgemäßen Bremsflüssigkeiten für Kraftfahrzeuge enthalten in einer weiteren bevorzugten Ausführungsform neben den Komponenten (a) und gegebenenfalls (b) weiterhin 0,1 bis 50 Gew.-%, insbesondere 1 bis 40 Gew.-%, vor allem 5 bis 30 Gew.-%, eines oder mehrerer Polyglykole.
  • Geeignete Polyglykole sind hierbei vor allem höhersiedende Umsetzungsprodukte von Ethylenoxid und/oder Propylenoxid und/oder Butylenoxid mit Wasser oder Diolen, insbesondere finden entsprechende Umsetzungsprodukte von Gemischen aus Ethylenoxid und Propylenoxid mit Wasser Verwendung. Die Anzahl der Alkylenoxid-Einheiten in solchen Polyglykolen beträgt normalerweise 2 bis 10.
  • Die Wirkung dieser hochsiedenden Polyglykole ist die eines Schmiermittels, was im wesentlichen auf eine Verbesserung des Temperatur-Viskositäts-Verhaltens zurückzuführen ist. Die Polyglykole verleihen den dünnflüssigen Polyglykolethern bei hohen Temperaturen genügend Viskosität und sorgen damit für eine ausreichende Schmierung. Eine genügende Schmierung ist deshalb in den Bauteilen des Kraftfahrzeug-Bremssystems notwendig, da dort Gummi oder Elastomere auf Metall möglichst verschleißfrei gleiten müssen.
  • Weitere Komponenten und Hilfsmittel in den erfindungsgemäßen Bremsflüssigkeiten für Kraftfahrzeuge können übliche Antioxidationsmittel wie z.B. Phenothiazin und/oder solche auf Phenolbasis, und übliche Entschäumer sein.
  • Außerdem können die erfindungsgemäßen Bremsflüssigkeiten die in WO 00/65001 aufgeführten cyclischen Carbonsäurederivate enthalten, welche als Komponenten zur Erniedrigung der Tieftemperaturviskosität in Anwesenheit von Wasser geeignet sind.
  • Das Vorliegen der genannten geringen Menge an 1H-1,2,4-Triazol sorgt in hervorragender Weise dafür, daß die erfindungsgemäßen. Bremsflüssigkeiten für Kraftfahrzeuge den eingangs genannten Anforderungen gerecht werden und daß insbesondere ein gegenüber dem Stand der Technik generell gutes Korrosionsverhalten, d.h. ein verbesserter Korrosionsschutz bei Metallen wie Eisen, Stahl, Weißblech, Gußeisen (Grauguß), Blei, Zinn, Chrom, Zink, Aluminium, Magnesium und deren Legierungen und bei Lötmetallen, beispielsweise Lötzinn, sowie bei Buntmetallen wie Kupfer und deren Legierungen, beispielsweise Messing, bewirkt wird.
  • Weitere Vorteile der erfindungsgemäßen. Bremsflüssigkeiten für Kraftfahrzeuge sind deren günstige Tieftemperaturviskosität, eine gute Wasserverträglichkeit, ein schonender pH-Wert, eine gute Kälte-, Hochtemperatur-und Oxidationsstabilität sowie eine gute chemische Stabilität, eine günstiges Verhalten (d.h. eine gute Verträglichkeit) gegenüber Werkstoffen wie Kautschuken, Kunststoffen, Leimfugen, Fiber-, Elastomeren- und Gummidichtungen und ähnlichen Materialien sowie ein gutes Schmierverhalten.
  • Nicht zuletzt ist der Einsatz einer nur geringen Menge an 1H-1,2,4-Triazol in den erfindungsgemäßen. Bremsflüssigkeiten für Kraftfahrzeuge sowohl ökonomisch als auch ökologisch vorteilhaft.
  • Die nachfolgenden Beispiele sollen die vorliegende Erfindung erläutern, ohne sie zu beschränken.
    • Anwendungstechnische Beispiele
  • Basierend auf den marktüblichen DOT 4- bzw. DOT 5.1-Bremsflüssigkeiten BF 1 (ERBP: 267°C, wet ERBP: 173°C, kinematische Viskosität bei -40°C: 676 cSt) und BF 2 (ERBP: 263°C, wet ERBP: 181°C, kinematische Viskosität bei -40°C: 850 cSt) mit jeweils 0,05 Gew.-% 1H-1,2,3-Tolutriazol als Buntmetallkorrosionsinhibitor wurden im Vergleich dazu die erfindungsgemäßen Bremsflüssigkeiten BF 1a, BF 1b, BF 1c und BF 2a geprüft.
  • Die verwendeten Kraftfahrzeug-Bremsflüssigkeiten hatten folgende Zusammensetzungen:
    BF 1:
    55,00 Gew.-% Methyltriglykol-borat,
    43,44 Gew.-% Mischung aus Methyltriglykol, Methyltetraglykol, Butyltriglykol und Methyldiglykol,
    1,51 Gew.-% Mischung aus 1,1'-Iminodipropan-2-ol, Phenothiazin und einem Phosphorsäurester
    0,05 Gew.-% 1H-1,2,3-Tolutriazol
    BF 2:
    68,00 Gew.-% Methyltriglykol-borat,
    28,84 Gew.-% Mischung aus Methyltriglykol, Methyldiglykol, Butyldiglykol und Diglykol,
    3,11 Gew.-% Mischung aus 1,1'-Iminodipropan-2-ol, Hydroxyanisol und einem Phosphonsäurederivat
    0,05 Gew.-% 1H-1,2,3-Tolutriazol.
  • Die erfindungsgemäßen Bremsflüssigkeiten BF 1a und BF 2a unterschieden sich von BF 1 und BF 2 nur dadurch, daß sie anstelle von 0,05 Gew.-% 1H-1,2,3-Tolutriazol die gleiche Menge an 1H-1,2,4-Triazol enthielten; die erfindungsgemäße Bremsflüssigkeit BF 1b enthielt anstelle von 0,05 Gew.-% 1H-1,2,3-Tolutriazol 0,04 Gew.-% 1H-1,2,4-Triazol und 0,01 Gew.-% Adenin; die erfindungsgemäße Bremsflüssigkeit BF 1c enthielt anstelle von 0,05 Gew.-% 1H-1,2,3-Tolutriazol 0,07 Gew.-% 1H-1,2,4-Triazol (dafür jedoch nur 54,98 Gew.-% Methyltriglykol-borat).
  • Die anwendungstechnischen Untersuchungen wurden gemäß dem Kupferkorrosionstest PSA D 53 5387 in der Version des Jahres 2000 der Firma PSA Peugeot Citroën durchgefuhrt. Hierbei wird zuerst ein zuvor in Aceton gereinigtes Kupferblech mit einer Gesamtfläche von 1000 cm2 (Abmessungen: 71,4 cm x 7 cm x 0,05 cm) in Form eines Rundzylinders schneckenförmig so aufgerollt, daß sich die Metallfläche im Inneren nicht berührt. Das Kupferblech wird in eine Mischung aus 294 ml Bremsflüssigkeit mit 6 ml destilliertem Wasser gestellt und für 100 Stunden auf 100°C erhitzt; durch die Flüssigkeit werden pro Stunde 10 Liter Luft geleitet, die zuvor durch auf 2°C gekühltes destilliertes Wasser geleitet wurde. Nach dem Test wird das Aussehen des wieder aufgerollten Kupferbleches und das Aussehen der Flüssigkeit optisch beurteilt und der Kupfergehalt der Flüssigkeit ermittelt.
  • Die Ergebnisse nach dem beschriebenen Test sind der nachfolgenden Tabelle 1 zu entnehmen. Tabelle 1:
    Cu-Gehalt [mg/kg] Cu-Blech, Aussehen Flüssigkeit, Aussehen pH-Wert
    BF 1 (Vergleich): 24 starker Belag trüb, Ausfällungen 7,4
    BF 1a: 29 blank, kein Belag bernsteinfarben, klar 7,6
    BF 1b: 34 blank, kein Belag bernsteinfarben, klar 7,6
    BF 1c: 18 blank, kein Belag bernsteinfarben, klar 7,5
    BF 2 (Vergleich): 10 starker Belag trüb, Ausfällungen 7,6
    BF 2a: 30 blank, kein Belag bernsteinfarben, klar 7,7
  • Es wird ersichtlich, daß die erfindungsgemäßen Formulierungen im Gegensatz zu herkömmlichen Bremsflüssigkeiten wie BF 1 und BF 2 nicht nur einen sehr guten Kupferkorrosionsschutz mit geringem Cu-Gehalt in der Testflüssigkeit bieten, sondern zusätzlich auch eine belagfreie Metalloberfläche und keine Sedimentbildung in der Bremsflüssigkeit bewirken.
  • Die nachfolgend aufgeführten Ergebnisse im Korrosionstest gemäß SAE J 1704 (Jan. 97) belegen außerdem, daß erfindungsgemäße Bremsflüssigkeiten wie BF 2a mit einem niedrigen 1H-1,2,4-Triazol-Gehalt im Vergleich zu nicht erfindungsgemäßen Formulierungen wie BF 1d mit einem hohen 1H-1,2,4-Triazol-Gehalt Vorteile bieten, da sie bei Kupfer ein besseres Korrosionsergebnis zeigen (BF 1d entsprach BF 1, enthielt anstelle von 1H-1,2,3-Tolutriazol jedoch 0,20 Gew.-% 1H-1,2,4-Triazol und nur 54,85 Gew.-% Methyltriglykol-borat):
  • Die Ergebnisse nach dem Korrosionstest gemäß SAE J 1704 (Jan. 97) sind der nachfolgenden Tabelle 2 zu entnehmen. Tabelle 2:
    Metall BF 2a Gewichtsänderung [mg/cm2] BF 1d (Vergleich) Gewichtsänderung [mg/cm2]
    Weißblech 0,00 - 0,01
    Stahl +0,03 0,00
    Aluminium 0,00 0,00
    Grauguß +0,05 +0,02
    Messing 0,00 0,00
    Kupfer - 0,05 - 0,11
    Zink +0,05 +0,04

Claims (5)

  1. Bremsflüssigkeiten für Kraftfahrzeuge mit verbessertem Korrosionsschutz, enthaltend
    (a) 0,005 bis 0,125 Gew.-% 1H-1,2,4-Triazol und
    (b) 0 bis 10 Gew.-% eines oder mehrerer weiterer Korrosionsinhibitoren, wobei bei Mitverwendung von 1H-1,2,3-Benzotriazol und/oder 1H-1,2,3-Tolutriazol und/oder deren Derivaten das Gew.-Verhältnis von 1H-1,2,4-Triazol zu den genannten 1H-1,2,3-Triazolen größer als 4:1 sein muß,
    sowie weiterhin 0,1 bis 97 Gew.-% eines oder mehrerer Polyglykolether und/oder deren Borsäureester.
  2. Bremsflüssigkeiten für Kraftfahrzeuge nach Anspruch 1, enthaltend 0,005 bis 0,08 Gew.-% der Komponente (a).
  3. Bremsflüssigkeiten für Kraftfahrzeuge nach Anspruch 1 oder 2, enthaltend die Komponente (a) als alleinigen Korrosionsinhibitor auf Triazol-Basis.
  4. Bremsflüssigkeiten für Kraftfahrzeuge nach Anspruch 1 oder 2, enthaltend als Komponente (b) 0,001 bis 0,5 Gew.-% einer oder mehrerer Verbindungen aus der Gruppe Benzimidazol, hydriertes 1H-1,2,3-Tolutriazol, Purin, Adenin, 6-Chloropurin, 2,6-Dichloropurin, 6-Methoxypurin, 1H-1,2,3-Triazolo(4,5B)pyryidin, 6-Histaminopurin und 6-Furfurylaminopurin und gegebenenfalls weitere von (a) verschiedene Korrosionsinhibitoren.
  5. Bremsflüssigkeiten für Kraftfahrzeuge nach den Ansprüchen 1 bis 4, enthaltend neben den Komponenten (a) und gegebenenfalls (b) weiterhin 0,1 bis 50 Gew.-% eines oder mehrerer Polyglykole.
EP02759789A 2001-04-09 2002-04-03 Hydraulische flüssigkeiten mit verbessertem korrosionsschutz Expired - Lifetime EP1379615B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10117647A DE10117647A1 (de) 2001-04-09 2001-04-09 Hydraulische Flüssigkeiten mit verbessertem Korrosionsschutz
DE10117647 2001-04-09
PCT/EP2002/003671 WO2002081604A1 (de) 2001-04-09 2002-04-03 Hydraulische flüssigkeiten mit verbessertem korrosionsschutz

Publications (2)

Publication Number Publication Date
EP1379615A1 EP1379615A1 (de) 2004-01-14
EP1379615B1 true EP1379615B1 (de) 2004-12-29

Family

ID=7680939

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02759789A Expired - Lifetime EP1379615B1 (de) 2001-04-09 2002-04-03 Hydraulische flüssigkeiten mit verbessertem korrosionsschutz

Country Status (21)

Country Link
US (1) US20040116306A1 (de)
EP (1) EP1379615B1 (de)
JP (1) JP4116445B2 (de)
KR (1) KR100861969B1 (de)
CN (1) CN1312261C (de)
AR (1) AR033453A1 (de)
AT (1) ATE286112T1 (de)
AU (1) AU2002308121B2 (de)
BR (1) BR0208415A (de)
CA (1) CA2442697C (de)
CZ (1) CZ299651B6 (de)
DE (2) DE10117647A1 (de)
ES (1) ES2235077T3 (de)
HU (1) HUP0303757A2 (de)
MX (1) MXPA03007944A (de)
NO (1) NO325635B1 (de)
PL (1) PL197796B1 (de)
PT (1) PT1379615E (de)
SK (1) SK286828B6 (de)
WO (1) WO2002081604A1 (de)
ZA (1) ZA200308690B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0613845A2 (pt) * 2005-07-01 2011-02-15 Dow Global Technologies Inc composição de fluìdo funcional e sistema de frenagem para veìculos
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
CN101688145B (zh) 2007-05-24 2013-03-27 千代田化学株式会社 功能性流体
US9593289B2 (en) * 2014-02-25 2017-03-14 Jon A. Petty Corrosion inhibiting hydraulic fluid additive
US10669503B2 (en) 2014-02-25 2020-06-02 Jon A. Petty Corrosion inhibiting hydraulic fluid additive
CN107557121A (zh) * 2017-08-15 2018-01-09 杭州天汇精细化工有限公司 一种汽车制动液及其生产方法
CN111676082A (zh) * 2020-05-11 2020-09-18 江苏龙蟠科技股份有限公司 一种用于esp汽车控制系统的制动液及其制备方法
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945094A1 (de) * 1979-11-08 1981-05-21 Hoechst Ag, 6000 Frankfurt Hydraulische fluessigkeit mit verbesserten eigenschaften
DE4013243A1 (de) * 1990-04-26 1991-10-31 Hoechst Ag Gegen metallkorrosion inhibierte bremsfluessigkeiten auf der basis von glykolverbindungen
GB2272000B (en) * 1992-10-30 1997-03-26 Castrol Ltd A method of inhibiting corrosion
WO1996020295A1 (en) * 1994-12-23 1996-07-04 Cookson Group Plc Process for the corrosion protection of copper or copper alloys
FR2733509B1 (fr) * 1995-04-28 1997-07-04 Bp Chemicals Snc Composition d'antigel et fluide aqueux comprenant la 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 (de) * 2000-05-25 2001-11-29 Basf Ag Hydraulische Flüssigkeiten mit verbessertem Korrosionsschutz für Buntmetalle

Also Published As

Publication number Publication date
PL367159A1 (en) 2005-02-21
PL197796B1 (pl) 2008-04-30
CZ299651B6 (cs) 2008-10-01
KR100861969B1 (ko) 2008-10-08
JP4116445B2 (ja) 2008-07-09
DE10117647A1 (de) 2002-10-17
ZA200308690B (en) 2004-11-08
EP1379615A1 (de) 2004-01-14
ATE286112T1 (de) 2005-01-15
US20040116306A1 (en) 2004-06-17
NO20034495D0 (no) 2003-10-08
ES2235077T3 (es) 2005-07-01
KR20030087063A (ko) 2003-11-12
SK286828B6 (sk) 2009-06-05
AR033453A1 (es) 2003-12-17
BR0208415A (pt) 2004-03-30
CA2442697A1 (en) 2002-10-17
DE50201902D1 (de) 2005-02-03
HUP0303757A2 (hu) 2004-03-01
WO2002081604A1 (de) 2002-10-17
CN1312261C (zh) 2007-04-25
SK11922003A3 (sk) 2004-02-03
PT1379615E (pt) 2005-04-29
CA2442697C (en) 2011-03-15
MXPA03007944A (es) 2004-04-02
NO325635B1 (no) 2008-06-30
NO20034495L (no) 2003-10-08
CN1501971A (zh) 2004-06-02
CZ20032736A3 (cs) 2003-12-17
JP2004523641A (ja) 2004-08-05
AU2002308121B2 (en) 2007-08-09

Similar Documents

Publication Publication Date Title
DE60023459T2 (de) Hydraulische flüssigkeitszusammensetzungen
DE2447550A1 (de) Aminsalz und dessen verwendung als zusatz zu schmiermitteln
DE10310757A1 (de) DOT 4-Bremsflüssigkeiten
DE2804535A1 (de) Hydraulische fluessigkeiten
DE1644869B2 (de) Schmiermittel
EP0028789A1 (de) Hydraulische Flüssigkeit mit verbesserten Eigenschaften
EP1379615A1 (de) Hydraulische flüssigkeiten mit verbessertem korrosionsschutz
EP0454110B1 (de) Gegen Metallkorrosion inhibierte Bremsflüssigkeiten auf der Basis von Glykolverbindungen
EP1171552B1 (de) Hydraulische flüssigkeiten, enthaltend cyclische carbonsäurederivate
EP0011224A1 (de) Schmier- und Kühlmittel für die Metallbearbeitung
EP0011730B1 (de) Bremsflüssigkeiten mit konservierender Wirkung mit einem Gehalt an Ölsäure
EP1290115A1 (de) Hydraulische flüssigkeiten mit verbessertem korrosionsschutz für buntmetalle
DE68916200T2 (de) Rost- und korrosionsverhindernde Zusammensetzungen.
EP0013925B1 (de) Bremsflüssigkeit für Motorfahrzeuge
DE1444839C (de) Hydraulische Flüssigkeiten
DE2350569A1 (de) Hydraulische mittel
EP4582524A1 (de) Funktionsflüssigkeit
DE1107868B (de) Zusaetze zu Schmiermitteln und hydraulischen Fluessigkeiten auf der Basis synthetischer oder mineralischer Schmieroele
DE1444839B (de) Hydraulische Flüssigkeiten
PL169789B1 (pl) Płyn hamulcowy

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20031110

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RIN1 Information on inventor provided before grant (corrected)

Inventor name: AYDIN, BAYRAM

Inventor name: WENDEROTH, BERND

Inventor name: ROIDA, MICHAEL

Inventor name: FIDORRA, UWE

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20041229

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20041229

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 50201902

Country of ref document: DE

Date of ref document: 20050203

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20050209

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050329

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050329

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050403

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050403

REG Reference to a national code

Ref country code: PT

Ref legal event code: SC4A

Free format text: AVAILABILITY OF NATIONAL TRANSLATION

Effective date: 20050223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050430

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2235077

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20050930

ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: PT

Payment date: 20070402

Year of fee payment: 6

REG Reference to a national code

Ref country code: PT

Ref legal event code: MM4A

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20081003

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081003

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20090416

Year of fee payment: 8

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100430

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100430

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20120320

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20120501

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20120531

Year of fee payment: 11

Ref country code: GB

Payment date: 20120430

Year of fee payment: 11

Ref country code: SE

Payment date: 20120427

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20120420

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20120530

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20120425

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20130529

Year of fee payment: 12

BERE Be: lapsed

Owner name: *BASF A.G.

Effective date: 20130430

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20130628

Year of fee payment: 12

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20131101

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 286112

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130430

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130403

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130403

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130404

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130430

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131101

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130403

Ref country code: TR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130403

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20140610

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130404

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50201902

Country of ref document: DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50201902

Country of ref document: DE

Effective date: 20141101

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20141231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20141101

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140430