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WO2004096959A1 - Compositions lubrifiantes - Google Patents

Compositions lubrifiantes Download PDF

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Publication number
WO2004096959A1
WO2004096959A1 PCT/GB2004/001750 GB2004001750W WO2004096959A1 WO 2004096959 A1 WO2004096959 A1 WO 2004096959A1 GB 2004001750 W GB2004001750 W GB 2004001750W WO 2004096959 A1 WO2004096959 A1 WO 2004096959A1
Authority
WO
WIPO (PCT)
Prior art keywords
neutral
same
alkyl
phosphate
lubricant composition
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.)
Ceased
Application number
PCT/GB2004/001750
Other languages
English (en)
Inventor
William David Phillips
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.)
Lanxess Switzerland GmbH
Original Assignee
Great Lakes Chemical Europe GmbH
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 Great Lakes Chemical Europe GmbH filed Critical Great Lakes Chemical Europe GmbH
Priority to EP04729132A priority Critical patent/EP1618173A1/fr
Priority to US10/554,653 priority patent/US20070087944A1/en
Priority to JP2006506173A priority patent/JP2006524734A/ja
Publication of WO2004096959A1 publication Critical patent/WO2004096959A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C10M173/00—Lubricating compositions containing more than 10% water
    • 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
    • C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
    • C10M141/10—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic phosphorus-containing compound
    • 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/102—Aliphatic fractions
    • C10M2203/1025—Aliphatic fractions 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/106—Naphthenic fractions
    • C10M2203/1065—Naphthenic fractions 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
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
    • C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
    • C10M2219/024—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of esters, e.g. fats
    • 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
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral 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
    • C10M2221/00—Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2221/04—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2221/041—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds involving sulfurisation of macromolecular compounds, e.g. polyolefins
    • 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
    • C10M2223/045—Metal containing thio derivatives
    • 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
    • C10M2223/047—Thioderivatives not containing metallic elements
    • 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
    • C10M2225/00—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • 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
    • C10M2225/00—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2225/04—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions obtained by phosphorisation of macromolecualr compounds not containing phosphorus in the monomers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • 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
    • 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
    • C10N2040/12—Gas-turbines
    • 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
    • C10N2040/20—Metal working
    • 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
    • C10N2040/20—Metal working
    • C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
    • 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
    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/247—Stainless steel

Definitions

  • This invention relates to novel lubricant compositions that are useful as lubricants in high load carrying oils, e.g. metal working fluids, gear oils, extreme pressure turbine oils and hydraulic oils.
  • the lubricant compositions of the invention are especially useful in metal working fluids.
  • the cutting of metal involves the expenditure of significant amounts of energy and the development of high temperatures as the cutting tool removes metal from the workpiece.
  • the lubricant used is able to operate efficiently under the conditions of operation. This means essentially that it is capable of working at very high loads and quickly removing the heat generated by the cutting process.
  • Mineral oil alone does not have sufficient lubricity to perform this function and it is necessary to incorporate additives to enhance this aspect of the oil's performance.
  • the most common extreme pressure additives have been those containing chlorine (for example C14-17 chlorinated paraffins), phosphorus containing additives in the form of neutral triaryl phosphates, alkyl or alkylaryl acid phosphates and alkylpolyalkoxy or alkylarylpolyalkoxy acid phosphates and sulphur carriers (for example sulphurised olefins, sulphurised esters, and sulphurised fats).
  • sulphur carriers for example sulphurised olefins, sulphurised esters, and sulphurised fats.
  • the level of performance offered by the different additives varies depending on the temperatures at which the active species are released to form a salt layer at the metal surface. This in turn depends on the speed and feed rate of the cutting tool, the type and hardness of the alloy being machined and the specific machining operation.
  • the severity of the application would largely determine the chemical nature of the selected extreme pressure additive, the level of use and whether a combination of additives might be preferable. For example, if the application was not too heavy duty it might use a low concentration of an extreme pressure additive (such as a chlorinated paraffin or a phosphate ester). While for heavier duty applications, higher concentrations of the different types of extreme pressure additives or mixtures of these additives are utilised by the formulator.
  • an extreme pressure additive such as a chlorinated paraffin or a phosphate ester
  • oil in water emulsions and water based solutions are also commonly used in applications which require less lubricity.
  • additives are required to improve the lubrication performance of the fluid.
  • the type of phosphorus-containing additives which are found in metal working fluids are typically alkyl or alkylaryl acid phosphates and alkylpolyalkoxy or alkylarylpolyalkoxy acid phosphates used either as the free acid or neutralised with basic materials such as alkanolamines and caustic soda e.g. products sold under the trade marks of Lubrhophos and Rhodafac; neutral triaryl phosphates e.g. synthetic isopropylated phenyl phosphates such as are available commercially under the Durad trademark.
  • One objective of the present invention is to provide a novel lubricant composition which improves the cutting performance of both neat oil and water based cutting fluids.
  • Another objective of the present invention is to replace acid phosphates as extreme pressure/anti wear additives in metal working applications. This objective has been achieved by the combination of certain neutral alkyl phosphorus compounds with certain sulphur carriers.
  • a lubricant composition for a high load carrying oil comprising:
  • R l5 R 2 and R 3 are the same or different and are alkyl groups with 1 to 18 carbon atoms, preferably 4 to 12 carbon atoms.
  • R 4 , Re and Rs are -C ⁇ or C 3 H 8 and R 5 , R and R are the same or different and are alkyl groups with 1 to 8 carbon atoms and n is 1 to 6.
  • R 4 , R 5 , Re, R 7 , R 8 and R and n have the same meanings as in IV above.
  • R 4 , R 5 , Rg, R 7 , Rs and R and n have the same meanings as in IV above.
  • R 4 , R 5 , Re, R 7 and n have the same meanings as in IV above and R 10 is an alkyl group with 1 to 18 carbon atoms, preferably 4 to 12 carbon atoms.
  • R 4 , R 5 and n have the same meanings as in IV above and R 10 and R ⁇ are the same or different and are alkyl groups with 1 to 18 carbon atoms, preferably 4 to 12 carbon atoms.
  • R 7 and n have the same meanings as in IV above and R 12 and R 13 are the same or different and are alkyl groups with 1 to 18 carbon atoms, preferably 4 to 12 carbon atoms.
  • R 12 is an alkyl group with 1 to 18 carbon atoms, preferably 4 to 12 carbon atoms.
  • R 2 and R 3 are the same as in I above and R 4 and R 5 are the same as in IV above.
  • R 4 , R 5 Re, R 7 , Rs, R and n have the same meanings as in IV above.
  • the lubricant composition of the invention can comprise one or more of the compounds of general formulae I to XIII.
  • the neutral alkyl phosphorus compound and the sulphur carrier are utilised in a weight ratio of P to S content from 1:50 to 1:1, preferably a weight ratio of l:l to l:30.
  • Examples of compounds of the general formulae I to XIII are as follows:
  • Preferred sulphur carriers are selected from at least one of sulphurised synthetic esters, sulphurised hydrocarbons (e.g. sulphurised olefins), sulphurised vegetable oils and fats, metal sulphonates, metal dialkyldithiophosphates and triaryl phosphorothionates.
  • sulphurised synthetic esters e.g. sulphurised hydrocarbons (e.g. sulphurised olefins), sulphurised vegetable oils and fats, metal sulphonates, metal dialkyldithiophosphates and triaryl phosphorothionates.
  • the sulphur carriers serve to release sulphur at the cutting face of the workpiece where it reacts to form a lubricating film at relatively high temperatures.
  • the present invention is also a high load carrying oil which contains a lubricant composition as described above.
  • the high load carrying oil may be a metal working fluid, a gear oil, an extreme pressure turbine oil or a hydraulic oil.
  • the present invention is also a method for working metal comprising (a) contacting a metal workpiece with a lubricant composition as described above and (b) working the metal workpiece.
  • the lubricant composition of the invention can include other components conventional in the art, e.g. surfactants, non-ionic alcohols.
  • Lubrhophos LB400 ex Rhodia Chemicals which is based on oleyl alcohol reacted with ethylene oxide and then the product is reacted with phosphorus pentoxide. This product is oil soluble and recommended as an EP additive for cutting oils.
  • Durad is a registered trade mark of Great Lakes Chemical Corporation.
  • an automatic drilling machine is used to drill holes in metal discs 40mm thick.
  • the holes are 18mm deep while, for oil-based cutting fluids, the drill feeds and speeds were 0.13mm/rev (or 156mm/min) and 1200rpm respectively. Tests were carried out until the drill failed either due to breakage or to excessive wear. The average of at least duplicate test results are quoted.
  • the metal used was EN24T carbon steel; the drill feeds and speeds were as indicated below and the base stock was an ISO VG 22 paraffinic oil. In this case the S/P ratio was 13:1.
  • the formulation containing Durad TiBP is seen to be significantly more active than the chlorparaffin.
  • Stainless steel type 304 was used for this study.
  • the sulphur carriers used were a 4: 1 mix of a sulphurised fatty acid ester (26% total sulphur of which 15% is active) and a dialkyl polysulphide (40% total sulphur of which 36% is active).
  • the levels of sulphur and phosphorus used were 1.5% and 0.5% respectively giving an S/P ratio of 3:1.
  • the oil used was an ISO VG 22 Group 1 base.
  • This emulsion concentrate was then diluted to 4% to produce the working fluid. Tap water with a hardness of 160ppm calcium carbonate was used throughout. In this test, the concentration of the sulphur and phosphorus in the final emulsion were 0.36% sulphur and 0.012% phosphorus (a 30:1 ratio). The table below gives the approximate formulation of the concentrate before dilution.
  • the sulphur carriers used RC2526 and RC2540 were the same as used in the previous Examples.
  • the drill feed rate was 150mm/min and the speed was 1500 rpm.
  • the depth of hole was 18mm.
  • a major benefit of the present invention is that neutral alkyl phosphorus compounds provide a synergistic performance with sulphur carriers in both neat oil and aqueous cutting fluids on both mild steel and stainless steel. Such a synergistic combination enables the formulation of cutting fluids with the following properties:
  • neutral alkyl phosphorus compounds also allows higher levels of phosphorus to be used when necessary. Where acid phosphates are used, the acidity effectively limits the level of phosphorus that can be used because the acid can become corrosive at high levels. This allows for more flexibility in formulating mixtures of P/S and higher levels where necessary depending on the severity of the working process.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

L'invention concerne une composition lubrifiante pour une huile support de charge lourde. Ladite composition comprend un mélange synergique constitué d'un composé de phosphore d'alkyle neutre et d'un support de soufre. Le composé de phosphore d'alkyle neutre est sélectionné parmi des phosphates, des phosphonates, des phosphinates et des phosphites d'alkyle et d'alcoxyalkyle neutres. Les composés de phosphore d'alkyle neutre préférés sont le phosphate de triisobutyle, le phosphate de tributoxyéthyle et le phosphonate de dioctyle octyle. Les supports de soufre préférés sont les esters d'acides gras sulfurisés et les polysulfures de dialkyle. Parmi les huiles support de charge lourde contenant la composition lubrifiante selon l'invention, on trouve les fluides de travail des métaux, les huiles pour engrenages, les huiles pour turbines à pression extrême et les huiles hydrauliques.
PCT/GB2004/001750 2003-04-28 2004-04-23 Compositions lubrifiantes Ceased WO2004096959A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP04729132A EP1618173A1 (fr) 2003-04-28 2004-04-23 Compositions lubrifiantes
US10/554,653 US20070087944A1 (en) 2003-04-28 2004-04-23 Lubricant compositions
JP2006506173A JP2006524734A (ja) 2003-04-28 2004-04-23 潤滑剤組成物

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0309571.8 2003-04-28
GB0309571 2003-04-28

Publications (1)

Publication Number Publication Date
WO2004096959A1 true WO2004096959A1 (fr) 2004-11-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2004/001750 Ceased WO2004096959A1 (fr) 2003-04-28 2004-04-23 Compositions lubrifiantes

Country Status (5)

Country Link
US (1) US20070087944A1 (fr)
EP (1) EP1618173A1 (fr)
JP (1) JP2006524734A (fr)
KR (1) KR20060015536A (fr)
WO (1) WO2004096959A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006088658A1 (fr) * 2005-02-11 2006-08-24 Johnsondiversey, Inc. Concentre lubrifiant contenant un triester de phosphate
EP2147968A1 (fr) 2008-06-05 2010-01-27 Castrol Limited Composition et procédés
US8092394B2 (en) 2004-09-13 2012-01-10 Microsample Ltd. Method and apparatus for sampling and analysis of fluids
US9771540B2 (en) 2009-01-20 2017-09-26 Exxonmobil Research And Engineering Company Hydraulic oil compositions with improved hydraulic motor efficiency
EP3492565A4 (fr) * 2016-07-28 2020-03-25 ExxonMobil Research and Engineering Company Composition d'huile lubrifiante
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