EP0208541B1 - Schmiermittelzusammensetzungen - Google Patents

Schmiermittelzusammensetzungen Download PDF

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Publication number
EP0208541B1
EP0208541B1 EP86305275A EP86305275A EP0208541B1 EP 0208541 B1 EP0208541 B1 EP 0208541B1 EP 86305275 A EP86305275 A EP 86305275A EP 86305275 A EP86305275 A EP 86305275A EP 0208541 B1 EP0208541 B1 EP 0208541B1
Authority
EP
European Patent Office
Prior art keywords
sulfide
molybdenum
oxymolybdenum
acid monoester
carbon atoms
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
EP86305275A
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English (en)
French (fr)
Other versions
EP0208541A3 (en
EP0208541A2 (de
Inventor
Osamu Iizuka
Yuji Ikemoto
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.)
Eneos Corp
Original Assignee
Nippon Oil Corp
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
Priority claimed from JP14963085A external-priority patent/JPS6210193A/ja
Priority claimed from JP14963185A external-priority patent/JPS6210194A/ja
Application filed by Nippon Oil Corp filed Critical Nippon Oil Corp
Publication of EP0208541A2 publication Critical patent/EP0208541A2/de
Publication of EP0208541A3 publication Critical patent/EP0208541A3/en
Application granted granted Critical
Publication of EP0208541B1 publication Critical patent/EP0208541B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
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    • 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
    • C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for 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

Definitions

  • This invention relates to fluid compositions suitable for use in traction drives.
  • Traction drive devices such as of ball-cone, cone-ring, wheel-disc, chain-sieve, toroidal and planetary roll types are designed to operate with power transmission that takes advantage of the rolling friction which develops as a result of a film of oil being hardened at the contacting surfaces.
  • lubricating oils for use in those traction drives should meet the following requirements.
  • EP-A-0135871 discloses the use of cyclohexyl-substituted alkylene derivatives as traction drive fluids. Similar substances are disclosed for this purpose by EP-A-0113045, with the addition of zinc dialkyldithiophosphates and other S-P compounds as antioxidants, together with rust preventers, viscosity improvers and antifoam agents. In DE-A-3127970 similar cyclohexyl alkylene base oils are proposed also in combination with zinc dithiophosphate together with other additives including alkenyl succinic acid imides or their boron derivatives.
  • fluid compositons of superior characteristics can be obtained for use in traction drives which incorporate a selected class of hydrocarbon compounds combined with certain dialkyldithio- zinc phosphates, alkenyl succinimides or their boron derivatives, and carboxylates of polyalcohols.
  • a lubricant composition for use in traction drives comprising: a base oil represented by the formula where R1, R2 and R3 are alkyl groups of 1 - 4 carbon atoms, R4 and R5 are methylene, ethylene or trimethylene groups which may be substituted at the hydrogen atoms with an alkyl group of 1 - 4 carbon atoms, a, b and c are integers of 0 - 2, and x is an integer of 0 or 1; [I] a zinc dialkyldithio phosphate in an amount of 0.1 - 5 wt.
  • a lubricant composition for use in traction drives comprising: a base oil represented by the formula where R1, R2 and R3 are alkyl groups of 1 - 4 carbon atoms, R4 and R5 are methylene, ethylene or trimethylene groups which may be substituted at the hydrogen atoms with an alkyl group of 1 - 4 carbon atoms, a, b and c are integers of 0 - 2, and x is an integer of 0 or 1; [I] a zinc dialkyldithio phosphate in an amount of 0.1 - 5 wt.
  • a lubricant composition for use in traction drives comprising: a base oil represented by the formula where R1, R2 and R3 are alkyl groups of 1 - 4 carbon atoms, R4 and R5 are methylene, ethylene or trimethylene groups which may be substituted at the hydrogen atoms with an alkyl group of 1 - 4 carbon atoms, a, b and c are integers of 0 - 2, and x is an integer of 0 or 1; [I] a zinc dialkyldithio phosphate in an amount of 0.1 - 5 wt.
  • a lubricant composition for use in traction drives comprising: a base oil represented by the formula where R1, R2 and R3 are alkyl groups of 1 - 4 carbon atoms, R4 and R5 are methylene, ethylene or trimethylene groups which may be substituted at the hydrogen atoms with an alkyl group of 1 - 4 carbon atoms, a, b and c are integers of 0 - 2, and x is an integer of 0 or 1; [I] a zinc dialkyldithio phosphate is an amount of 0.1 - 5 wt.
  • the polyolefin resulting from the homo- or co-polymerization of olefins of 2 - 8 carbon atoms and having an average molecular weight of 200 - 10,000; and [V] at least one of molybdenum dithiophosphates and molybdenum dithiocarbamates in an amount of 0.1 - 10 wt. %, each of the amounts being based on the total composition.
  • Base oils suitable for the purpose of the present invention are hydrocarbon compounds represented by the formula where R1, R2 and R3 are alkyl groups of 1 - 4 carbon atoms, R4 and R5 are methylene, ethylene or trimethylene groups which may be substituted at the hydrogen atoms with an alkyl group of 1 - 4 carbon atoms, a, b and c are integers of 0 - 2, and x is an integer of 0 or 1.
  • Eligible substituting groups for R1, R2 and R3 are methyl, ethyl, propyl and butyl, amongst which methyl and ethyl are particularly preferred.
  • Eligible R4 and R5 groups are methylene, methylmethylene (ethylidene), dimethylmethylene, ethylene, methylethylene, 1,1-dimethylethylene, 1,2-dimethylethylene, 1,1,2-trimethylethylene, tetramethylethylene, trimethylene, 1-methyltrimethylene, 2-methyltrimethylene, 1,1-dimethyltrimethylene, 1,2-dimethyltrimethylene, 1,3-dimethyltrimethylene, 2,2-dimethyltrimethylene, 1,1,2-trimethyltrimethylene, 1,1,3-trimethyltrimethylene, 1,2,2-trimethyltrimethylene, 1,2,3-trimethyltrimethylene, 1,1,2,2-tetramethyltrimethylene, 1,1,2,3-tetramethyltrimethylene, 1,1,3,3-tetramethyltrimethylene and 1,2,2,3-tetra
  • base oils include dicyclohexylmethane, 1,1-dicyclohexylethane, 1,2-dicyclohexylethane, 1,2-dicyclohexylpropane, 1,3-dicyclohexylpropane, 2,2-dicyclohexylpropane, 1,2-dicyclohexyl-2methylpropane, 1,3-dicyclohexylbutane, 1,3-dicyclohexyl-3-methylbutane, 1,3-dicyclohexyl-2,3-dimethylbutane, 2,3-dicyclohexyl-2,3-dimethylbutane, 2,4-dicyclohexylpentane, 2,4-dicyclohexyl-2-methylpentane, bis(cyclohexylmethyl)cyclohexane, bis(1-cyclohexylethyl)cyclohexane and bis(1-methyl-2-cyclohexyle
  • base oils are 1-cyclohexyl-1-methylcyclohexylethane, 1-cyclohexyl-1-ethylcyclohexylethane, 1-cyclohexyl-1-dimethylcyclohe xylethane, bis(1-cyclohexylethy)methylcyclohexane, bis(1-cyclohexylethyl)ethylcyclohexane, bis(1-cyclohexylethyl)dimethylcyclohexane and 2,4-dicyclohexyl-2-methylpentane, and combinations thereof.
  • Zinc dialkyldithio phosphates useful as component [I] hereunder are compounds represented by the formula where R6, R7, R8 and R9 are alkyl or alkylaryl groups having a carbon number of 3 - 22, preferably 3 - 15, and may be the same or different. Particularly preferred alkyl and alkylaryl groups are isopropyl, sec-butyl, isobutyl, n-amyl, isoamyl, 4-methylpentyl, 2-ethylhexyl, decyl, isodecyl, nonylphenyl and dodecylphenyl.
  • the amount of component [I] to be added should be in the range of 0.1 - 5 wt. %, preferably 0.5 - 3 wt. %, based on the total composition. Smaller amounts than 0.1 wt. % would fail to give sufficient wear resistance and oxidation stability. Greater amounts than 5 wt. % would result in reduced rolling fatigue life and traction coefficient.
  • Alkenyl succinimides and their boron derivatives are useful as component [II[ in the invention.
  • the alkenyl succinimides may be obtained by reaction of polyolefins with maleic anhydride and by subsequent conversion of the resulting intermediates into the form of imides by reaction with amines.
  • polystyrene examples include those resulting from the homo- and co-polymerization of olefins of 2 - 30 carbon atoms such as ethylene, propylene, butene, pentene, hexene, heptene, octene, nonene, decene and dodecene, and also from the co-polymerization of those olefins with aromatic olefins such as styrene.
  • the molecular weight of the polyolefins is between 300 and 5,000.
  • amines to be here used include monoamines such as methylamine, ethylamine, propylamine, butylamine, pentylamine, hexylamine, heptylamine and octylamine, polyamines such as ethylenediamine, propylenediamine, N,N'-dimethylpropylenediamine, trimethylenediamine, N,N-dihexyltrimethylenediamine, decamethylenediamine, di(trimethylene)triamine, di(heptamethylene)triamine, triethylenetetraamine, tripropylenetetraamine, tetraethylenepentaamine, pentaethylenehexaamine, imidazoline, methylimidazoline, bis(aminoethyl)imidazoline, pyrimidine, aminopropylpiperazine and bis(aminoethyl)piperazine, and hydroxy-substituted amines such as N-mono(hydroxy)
  • the borides or boron derivatives of the above alkenyl succinimides are obtainable by reaction of such succinimides with boron compounds selected for example from boron oxide, boron oxide hydrates, boron trifluoride, boron trichloride, boron tribromide, alkyl or aryl borons, boric acid, metaboric acid and tetraboric acid, esters of these boric acids with alcohols and phenols and ammonium salts thereof.
  • the boron derivatives may be synthesized by numerous methods disclosed for example in U. S. Patent Nos.
  • the amount of component [II] to be added should be in the range of 0.1 - 5 wt. %, preferably 0.5 - 3 wt. %, based on the total composition. Smaller amounts than 0.1 wt. % would invite insufficient oxidation stability. Greater amounts than 5 wt. % would result in reduced rolling fatigue life, traction coefficient and wear resistance.
  • Carboxylic acid partial esters of polyalcohols of 3 - 6 carbon atoms are useful as component [III] in the invention.
  • the polyalcohols include glycerine [C3H5(OH)3], pentaerythritol [C4H8(OH)4], sorbitol [C6H8(OH)6] and sorbitan [C6H8O(OH)4].
  • carboxylic acids are those having a carbon number of 8 - 22, preferably 12 - 18, and in cluding decanoic acid (capric acid), undecanoic acid, dodecanoic acid (lauric acid), tridecanoic acid, tetradecanoic acid (myristic acid), pentadecanoic acid, hexadecanoic acid (palmitic acid), heptadecanoic acid (margaric acid), octadecanoic acid (stearic acid), nonadecanoic acid, eicosanoic acid (arachidic acid), heneicosanoic acid, decosanoic acid (behenic acid), dodecenoic acid, tetradecenoic acid, hexadecenoic acid, octadecenoic acid (oleic acid), dodecadienoic acid, tetradecadienoic acid, hexadecadienoic acid and octt
  • component [III] include glycerine dodecanoic acid monoester (monoglyceride laurate), glycerine hexadecanoic acid monoester (monoglyceride palmitate), glycerine octadecanoic acid monoester (monoglyceride stearate), glycerine octadecenoic acid monoester (monoglyceride oleate), pentaerythritol dodecanoic acid monoester (pentaerythritol monolaurate), pentaerythritol hexadecanoic acid monoester (pentaerythritol monopalmitate), pentaerythritol octadecanoic acid monoester (pentaerythritol monostearate), pentaerythritol octadecanoic acid monoester (pentaerythrito
  • the amount of component [III] to be added should be in the range of 0.01 - 5 wt. %, preferably 0.1 - 3 wt. %, based on the total composition. Smaller amounts than 0.01 wt. % would be insufficient for rust-proofness. Greater amounts than 5 wt. % would induce reduced rolling fatigue life and traction coefficient.
  • a first embodiment of the invention provides lubircant compositions in which components [I] to [III] are combined with base oils.
  • selected polyolefins are further incorporated to build dynamic viscosity and shear stability.
  • Polyolefins eligible as component [IV] hereunder are those having an average molecular weight of 200 -10,000, preferably 1,000 - 4,000, and obtained by the homo- and co-polymerization of olefins selected for example from ethylene, propylene, 1-butene and isobutylene with use of a Friedel-Crafts catalyst such as aluminum chloride, magnesium chloride, boron fluoride or titanium tetrachloride, or a complex compound thereof, if necessary in combination with a co-catalyst such as an organic halide or hydrochloric acid.
  • a Friedel-Crafts catalyst such as aluminum chloride, magnesium chloride, boron fluoride or titanium tetrachloride, or a complex compound thereof, if necessary in combination with a co-catalyst such as an organic halide or hydrochloric acid.
  • the amount of component [IV] to be added should be in the range of 0.1 - 20 wt. %, preferably 1 - 10 wt. %, based on the total composition. Smaller amounts than 0.1 wt. % would be ineffective for viscosity buildup. Greater amounts than 20 wt. % would lead to reduced traction coefficient.
  • Third and fourth embodiments of the invention are intended to make the resulting compositions more highly resistant to wear and longer in rolling fatigue life by further addition of selected molybdenum compounds.
  • Eligible R10 to R13 groups are methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, eicosyl, docosyl, tetracosyl, cyclopentyl, cyclohexyl, methylcyclohexyl, ethylcyclohexyl, dimethylcyclohexyl, cycloheptyl, phenyl, tolyl, xylyl, ethylphenyl, propylphenyl, butylphenyl, pentylphenyl, hexylphenyl, heptylphenyl, octylphenyl, nonylphenyl, decylphenyl, dode
  • component [V] include molybdenum diethyldithiophosphate sulfide, molybdenum dipropyldithiophosphate sulfide, molybdenum dipropyldithiophosphate sulfide, molybdenum dibutyldithiophosphate sulfide, molybdenum dipentyldithiophosphate sulfide, molybdenum dihexyldithiophosphate sulfide, molybdenum dioctyldithiophosphate sulfide, molybdenum didecyldithiophosphate sulfide, molybdenum didecyldithiophosphate sulfide, molybdenum didecyldithiophosphate sulfide, molybdenum di(butylphenyl)dithiophosphate sulfide, molybdenum(n
  • the amount of component [V] to be added should be in the range of 0.1 - 10 wt. %, preferably 0.3 - 5 wt. %, based on the total composition. Smaller amounts than 0.1 wt. % would fail to produce sufficient wear resistance and rolling fatigue life. Greater amounts than 10 wt. % would result in reduced traction coefficient and rolling fatigue life.
  • additives such as metallic cleaning agents including alkali metal sulfonates and alkaline earth metal sulfonates, anticorrosive agents, extreme pressure agents, viscosity index improvers, rust preventives and the like.
  • JIS K 2514 (Testing Method for Oxidation Stability of Lubricants for Internal Combustion Engine Oils) was followed with temperature 165.5°C and time 72 hours. Viscosity ratio at 40°C was determined.
  • Test was made in accordance with ASTM D 2603 (Standard Test Method for Sonic Shear Stability of Polymer-Containing Oils) with sonic radiation 10 KH2, temperature 40°C and time 30 minutes. Viscosity reduction at 40°C was determined.
  • ASTM D 2266 was followed with speed 1,500 ppm, load 40 kgf and time 2 hours, using four balls. Wear scar diameter was measured.
  • IP 305 (Testing Method for Uni-Steel Rolling Fatigue) was followed. Length of time required for L10:90 % life was measured.
  • compositions representing Inventive Examples 1 - 8 are highly satisfactory in respect of all the performance characteristics tested.
  • the controls of Comparative Examples 1 - 2 were inadequate in wear resistance, fatigue life, shear stability and rust-proofness.

Claims (12)

  1. Eine Schmiermittelzusammensetzung zum Einsatz in Zugantrieben, bestehend aus: einem Basisöl folgender Formel
    Figure imgb0020
     Dabei sind R₁, R₂ und R₃ Alkylgruppen von 1 - 4 Kohlenstoffatomen; R₄ und R₅ sind Methylen-, Ethylen- oder Trimethylen-Gruppen, deren Kohlenstoffatome mit einer Alkylgruppe von 1 - 4 Kohlenstoffatomen substituiert werden können; a, b und c sind Ganze von 0 - 2 und x ein Ganzes von 0 oder 1; [I] ein Zinkdialkyldithiophosphat in einer Menge von 0,1 bis 5 Gew.-%; [II] ein Alkenylsuccinimid oder dessen Borderivate in einer Menge von 0.1 bis 5 Gew.-%; und [III] ein partieller Carbonsäureester eines Polyols von 3 - 6 Kohlenstoffatomen in einer Menge von 0,01 bis 5 Gew.-%; dabei sind die angegebenen Einzelmengen jeweils auf die Gesamtzusammensetzung bezogen.
  2. Die Schmierstoffzusammensetzung nach Anspruch 1, bei der das betreffende Basisöl aus einer Gruppe ausgewählt wird, die besteht aus Dicyclohexylmethan, 1,1-Dicyclohexylethan, 1,2-Dicyclohexylpropan, 1,3-Dicyclohexylpropan, 2,2-Dicyclohexylpropan, 1,2-Dicyclohexyl-2-methylpropan, 1,3-Dicyclohexylbutan, 1,3-Dicyclohexyl-3-methylbutan, 1,3-Dicyclohexyl-2,3-dimethylbutan, 2,3-Dicyclohexyl-2,3-dimethylbutan, 2,4-Dicyclohexylpentan, 2,4-Dicyclohexyl-2-methylpentan, Bis(cyclohexylmethyl)cyclohexan, Bis(1-cyclohexylethyl)cyclohexan und Bis(1-methyl-2-cyclohexylethyl)cyclohexan, deren Substitutionsverbindungen, bei denen ein oder zwei Methyloder Ethylgruppen mit den Kohlenstoffatomen des Cyclohexylrings verbunden ist, sowie Kombinationen davon.
  3. Die Schmiermittelzusammensetzungen nach Anspruch 1, bei denen die Komponente [I] eine Verbindung entsprechend folgender Formel ist:
    Figure imgb0021
     Dabei sind R₆, R₇, R₈ und R₉ die gleichen oder unterschiedliche Alkyl- oder Alkylarylgruppen von 3 bis 22 Kohlenstoffatomen.
  4. Die Schmiermittelzusammensetzung nach Anspruch 1, bei der die Komponente [II] ein Alkenylsuccinimid aus der Reaktion eines Polyolefins von 2 - 30 Kohlenstoffatomen mit Maleinsäureanhydrid, gefolgt von einer Umwandlung des daraus resultierenden Reaktionsproduktes in eine Imidform durch Reaktion mit einem Amin.
  5. Die Schmiermittelzusammensetzung nach Anspruch 4, bei der das Polyolefin aus einer Gruppe ausgewählt wird, die besteht aus Homo- und Copolymeren von Ethylen, Propylen, Buten, Penten, Hexen, Hepten, Octen, Nonen, Decen und Dodecen sowie Copolymeren davon mit Styrol, und bei der das Amin aus einer Gruppe ausgewählt wird, die besteht aus Methylamin, Ethylamin, Propylamin, Butylamin, Pentylamin, Hexylamin, Heptylamin, Octylamin, Ethylendiamin, Propylendiamin, N,N'-Dimethylpropylendiamin, Trimethylendiamin, N,N'-Dihexyltrimethylendiamin, Decamethylendiamin, Di(trimethylen)triamin, Di(heptamethylen)triamin, Triethylentetraamin, Tripropylentetraamin, Tetraethylenpentaamin, Pentaethylenhexaamin, Imidazolin, Methylimidazolin, Bis(aminoethyl) imidazolin, Pyrimidin, Aminopropylpiperazin, Bis(aminoethyl)piperazin, N-Mono(hydroxyethyl)ethylendiamin, N,N'-Bis(hydroxyethyl)ethylendiamin, N-Mono(hydroxypropyl)diethylentriamin und N,N'-bis(hydroxypropyl)tetraethylenpentaamin.
  6. Die Schmiermittelzusammensetzung nach Anspruch 4, bei der die Komponente [II] eine Verbindung ist, die durch Reaktion des Alkenylsuccinimids mit einer Borverbindung abgeleitet wird, die ausgewählt wird aus einer Gruppe bestehend aus Boroxid, Boroxidhydraten, Bortrifluorid, Bortrichlorid, Bortribromid, Alkylboren, Arylboren, Borsäure, Meta- und Tetraborsäure sowie Estern dieser Borsäuren mit Alkoholen und Phenolen und deren Ammoniumsalzen.
  7. Die Schmiermittelzusammensetzung nach Anspruch 1, bei der die Komponente [III] aus einer Gruppe ausgewählt wird, die besteht aus Glycerindodecansäuremonoester, Glycerinhexadecansäuremonoester, Glycerinoctadecansäuremonoester, Pentaerythrithexadecansäuremonoester, Pentaerythritoctadecansäuremonoester, Pentaerythritoctadecensäuremonoester, Sorbitdodecansäuremonoester, Sorbithexadecansäuremonoester, Sorbitoctadecansäuremonoester, Sorbitoctadecensäuremonoester, Sorbitandodecansäuremonoester, Sorbitanhexadecansäuremonoester, Sorbitanoctadecansäuremonoester, Sorbitanoctadecensäuremonoester, Sorbitanoctadecansäuretriester und Sorbitanoctadecensäuretriester sowie Kombinationen daraus.
  8. Eine Schmiermittelzusammensetzung nach irgendeinem der Ansprüche 1 bis 7, zusätzlich bestehend aus [IV] einem Polyolefin in einer Menge von 0,1 - 20 Gew.-%, das aus der Homo- oder Copolymerisierung von Olefinen mit 2 bis 8 Kohlenstoffatomen resultiert und ein durchschnittliches Molekulargewicht von 200 - 10.000 aufweist, wobei jede Einzelmenge auf die Gesamtzusammensetzung bezogen ist.
  9. Die Schmiermittelzusammensetzung nach Anspruch 8, bei der die Komponente [IV] aus einer Gruppe ausgewählt wird, die besteht aus Polybuten, Polyisobutylen, Ethylenpropylen-Copolymer, Ethylen-1-Buten-Copolymer und Ethylen-Propylen-1-Buten-Copolymer.
  10. Eine Schmiermittelzusammensetzung nach irgendeinem der Ansprüche 1 bis 9, zusätzlich bestehend aus [V] mindestens einem der Molybdändithiophosphate und Molybdändithiocarbamate in einer Menge von 0,1 bis 10 Gew.-%, wobei jede Einzelmenge auf die Gesamtzusammensetzung bezogen ist.
  11. Die Schmiermittelzusammensetzung nach Anspruch 10, bei der die Komponente [V] ein Molybdändithiophosphat folgender Formel ist:
    Figure imgb0022
     Dabei sind R₁₀ und R₁₁ Alkyl-, Cycloalkyl-, Alkylcycloalkyl-, Aryl-, Alkylaryl- oder Arylalkylgruppen von 1 - 24 Kohlenstoffatomen, d ist 0 < d ≦ 4 und e ist 0 ≦ e < 4, wobei d + e = 4 und/oder ein Molybdändithiocarbamat folgender Formel sind:
    Figure imgb0023
     Dabei sind R₁₂ und R₁₃ wie oben definiert, f ist 0 < f ≦ 4 und g ist 0 ≦ g < 4, wobei f + g = 4.
  12. Die Schmiermittelzusammensetzung nach Anspruch 11, wobei die Komponente [V] ausgewählt wird aus einer Gruppe, die besteht aus Molybdändiethyldithiophosphatsulfid, Molybdändipropyldithiophosphatsulfid, Molybdändibutyldithiophosphatsulfid, Molybdändipentyldithiophosphatsulfid, Molybdändihexyldithiophosphatsulfid, Molybdändioctyldithiophosphatsulfid, Molybdändidecyldithiophosphatsulfid, Molybdändidodecyldithiophosphatsulfid, Molybdändi(butylphenyl)dithiophosphatsulfid, Molybdändi(nonylphenyl)dithiophosphatsulfid, Molybdänoxid-Diethyldithiophosphatsulfid, Molybdänoxid-Dipropyldithiophosphatsulfid, Molybdänoxid-Dibutyldithiophosphatsulfid, Molybdänoxid-Dipentyldithiophosphatsulfid, Molybdänoxid-Dihexyldithiophosphatsulfid, Molybdänoxid-Dioctyldithiophosphatsulfid, Molybdänoxid-Didecyldithiophosphatsulfid, Molybdänoxid-Didodecyldithiophosphatsulfid, Molybdänoxid-Di(butylphenyl)dithiophosphatsulfid, Molybdänoxid-Di(nonylphenyl)dithiophosphatsulfid, Molybdändiethyldithiocarbamatsulfid, Molybdändipropyldithiocarbamatsulfid, Molybdändibutyldithiocarbamatsulfid, Molybdändihexyldithiocarbamatsulfid, Molybdändioctyldithiocarbamatsulfid, Molybdändidecyldithiocarbamatsulfid, Molybdändidodecyldithiocarbamatsulfid, Molybdändi(butylphenyl)dithiocarbamatsulfid, Molybdändi(nonylphenyl)dithiocarbamatsulfid, Molybdänoxid-Diethyldithiocarbamatsulfid, Molybdänoxid-Dipropyldithiocarbamatsulfid, Molybdänoxid-Dibutyldithiocarbamatsulfid, Molybdänoxid-Dipentyldithiocarbamatsulfid, MoIybdänoxid-Dihexyldithiocarbamatsulfid, Molybdänoxid-Dioctyldithiocarbamatsulfid, Molybdänoxid-Didecyldithiocarbamatsulfid, Molybdänoxid-Didodecyldithiocarbamatsulfid, Molybdänoxid-Di(butylphenyl)dithiocarbamatsulfid und Molybdänoxid-Di(nonylphenyl)dithiocarbamatsulfid sowie Kombinationen davon.
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EP0208541A2 (de) 1987-01-14
DE3682715D1 (de) 1992-01-16

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