EP1379615A1 - Hydraulische flüssigkeiten mit verbessertem korrosionsschutz - Google Patents
Hydraulische flüssigkeiten mit verbessertem korrosionsschutzInfo
- Publication number
- EP1379615A1 EP1379615A1 EP02759789A EP02759789A EP1379615A1 EP 1379615 A1 EP1379615 A1 EP 1379615A1 EP 02759789 A EP02759789 A EP 02759789A EP 02759789 A EP02759789 A EP 02759789A EP 1379615 A1 EP1379615 A1 EP 1379615A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- fluids
- triazole
- motor vehicles
- corrosion
- 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
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- 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
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- 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
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- 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
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- 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
- Corrosion inhibitors in brake fluids have the task of preventing the destruction of metallic materials caused by corrosion.
- the hydraulic fluids and brake fluids for motor vehicles known in the prior art are, however, in need of improvement with regard to their properties and in particular corrosion protection.
- the object was therefore to provide hydraulic liquids which, in particular, meet the above-mentioned requirements for improved corrosion protection in metals and non-ferrous metals.
- alkali metal salts of phosphoric acid and phosphorous acid fatty acids such as caprylic, auric, palitinic, 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, for example butylamine, hexylamine, octylamine, isononylamine, oleylamine, dipropylamine, diisopropylamine or dibutylamine, optionally ethoxylated alkanolamines, for example mono-, di- or triethanolamine, N, N'-di-n-butyla
- the present invention relates in particular to brake fluids for motor vehicles which contain the components (a) and optionally (b) mentioned as corrosion inhibitors.
- the brake fluids for motor vehicles according to the invention contain, in addition to components (a) and optionally (b), 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, methyldiglycol, methyltriglycol, butyltriglycol or methyltetraglycol.
- Suitable boric acid esters of said polyglycol ethers or of other polyglycol ethers are described in particular in 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 (tris-alkoxyalkyl borate).
- hydraulic fluids or brake fluids for motor vehicles are their favorable low-temperature viscosity, good water compatibility, a gentle pH value, good low-temperature, high-temperature and oxidation stability as well as good chemical stability, favorable behavior (ie good behavior) Compatibility) with materials such as rubbers, plastics, glue joints, fiber, elastomer and rubber seals and similar materials as well as good lubrication behavior.
- methyltriglycol-borate 43.44% by weight of a mixture of methyltriglycol, methyltetraglycol, butyltriglycol and methyldiglycol, 1.51% by weight of a mixture of 1,1'-iminodipropan-2-ol, Phenothiazine and a phosphoric acid ester 0.05 wt .-% lH-l, 2,3-tolutriazole
- the brake fluids BF la and BF 2a according to the invention differ from BF 1 and BF 2 only in that instead of 0.05% by weight 1H-l, 2,3-tolutriazole they contain the same amount of 1H-1, 2,4 -Triazole contained;
- the brake fluid BF 1b according to the invention contained 0.04% by weight of 1H-1, 2, 4-triazole and 0.01% by weight of adenine instead of 0.05% by weight of 1H-1, 2, 3-tolutriazole;
- the brake fluid BF 1c according to the invention contained 0.07% by weight of 1H-1, 2, 4-triazole instead of 0.05% by weight of 1H-l, 2,3-tolutriazole (but only 54.98% by weight for this) % Methyl triglycol borate).
- the application tests were carried out in accordance with the copper corrosion test PSA D 53 5387 in the version of the year 2000 from the company PSA Ober-Citroen.
- a copper sheet with a total area of 1000 cm2 (dimensions: 71.4 cm x 7 cm x 0.05 cm) previously cleaned in acetone is rolled up in a spiral shape in the form of a round cylinder so that the metal surface inside does not touch.
- the copper sheet is placed in a mixture of 294 ml of brake fluid with 6 ml of distilled water and heated to 100 ° C. for 100 hours; 10 liters of air are passed through the liquid per hour, which was previously passed through distilled water cooled to 2 ° C.
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)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10117647 | 2001-04-09 | ||
DE10117647A DE10117647A1 (de) | 2001-04-09 | 2001-04-09 | Hydraulische Flüssigkeiten mit verbessertem Korrosionsschutz |
PCT/EP2002/003671 WO2002081604A1 (de) | 2001-04-09 | 2002-04-03 | Hydraulische flüssigkeiten mit verbessertem korrosionsschutz |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1379615A1 true EP1379615A1 (de) | 2004-01-14 |
EP1379615B1 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)
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 |
CA2939801A1 (en) * | 2014-02-25 | 2015-09-03 | 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)
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 |
-
2001
- 2001-04-09 DE DE10117647A patent/DE10117647A1/de not_active Withdrawn
-
2002
- 2002-04-03 PT PT02759789T patent/PT1379615E/pt unknown
- 2002-04-03 AU AU2002308121A patent/AU2002308121B2/en not_active Ceased
- 2002-04-03 WO PCT/EP2002/003671 patent/WO2002081604A1/de active IP Right Grant
- 2002-04-03 SK SK1192-2003A patent/SK286828B6/sk not_active IP Right Cessation
- 2002-04-03 PL PL367159A patent/PL197796B1/pl not_active IP Right Cessation
- 2002-04-03 CN CNB028079027A patent/CN1312261C/zh not_active Expired - Fee Related
- 2002-04-03 AR ARP020101223A patent/AR033453A1/es active IP Right Grant
- 2002-04-03 CZ CZ20032736A patent/CZ299651B6/cs not_active IP Right Cessation
- 2002-04-03 JP JP2002579971A patent/JP4116445B2/ja not_active Expired - Fee Related
- 2002-04-03 ES ES02759789T patent/ES2235077T3/es not_active Expired - Lifetime
- 2002-04-03 CA CA2442697A patent/CA2442697C/en not_active Expired - Fee Related
- 2002-04-03 BR BR0208415-5A patent/BR0208415A/pt active Search and Examination
- 2002-04-03 MX MXPA03007944A patent/MXPA03007944A/es active IP Right Grant
- 2002-04-03 AT AT02759789T patent/ATE286112T1/de active
- 2002-04-03 HU HU0303757A patent/HUP0303757A2/hu unknown
- 2002-04-03 KR KR1020037013131A patent/KR100861969B1/ko not_active IP Right Cessation
- 2002-04-03 EP EP02759789A patent/EP1379615B1/de not_active Expired - Lifetime
- 2002-04-03 DE DE50201902T patent/DE50201902D1/de not_active Expired - Lifetime
- 2002-04-03 US US10/469,770 patent/US20040116306A1/en not_active Abandoned
-
2003
- 2003-10-08 NO NO20034495A patent/NO325635B1/no not_active IP Right Cessation
- 2003-11-07 ZA ZA200308690A patent/ZA200308690B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO02081604A1 * |
Also Published As
Publication number | Publication date |
---|---|
NO325635B1 (no) | 2008-06-30 |
NO20034495L (no) | 2003-10-08 |
KR20030087063A (ko) | 2003-11-12 |
HUP0303757A2 (hu) | 2004-03-01 |
ATE286112T1 (de) | 2005-01-15 |
CZ299651B6 (cs) | 2008-10-01 |
JP4116445B2 (ja) | 2008-07-09 |
JP2004523641A (ja) | 2004-08-05 |
DE50201902D1 (de) | 2005-02-03 |
DE10117647A1 (de) | 2002-10-17 |
BR0208415A (pt) | 2004-03-30 |
PL197796B1 (pl) | 2008-04-30 |
AR033453A1 (es) | 2003-12-17 |
SK11922003A3 (sk) | 2004-02-03 |
ES2235077T3 (es) | 2005-07-01 |
CN1312261C (zh) | 2007-04-25 |
KR100861969B1 (ko) | 2008-10-08 |
SK286828B6 (sk) | 2009-06-05 |
US20040116306A1 (en) | 2004-06-17 |
PL367159A1 (en) | 2005-02-21 |
CN1501971A (zh) | 2004-06-02 |
CA2442697C (en) | 2011-03-15 |
EP1379615B1 (de) | 2004-12-29 |
CA2442697A1 (en) | 2002-10-17 |
ZA200308690B (en) | 2004-11-08 |
MXPA03007944A (es) | 2004-04-02 |
PT1379615E (pt) | 2005-04-29 |
WO2002081604A1 (de) | 2002-10-17 |
CZ20032736A3 (cs) | 2003-12-17 |
NO20034495D0 (no) | 2003-10-08 |
AU2002308121B2 (en) | 2007-08-09 |
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