DE1247525B - Esterschmieroel - Google Patents
EsterschmieroelInfo
- Publication number
- DE1247525B DE1247525B DES89591A DES0089591A DE1247525B DE 1247525 B DE1247525 B DE 1247525B DE S89591 A DES89591 A DE S89591A DE S0089591 A DES0089591 A DE S0089591A DE 1247525 B DE1247525 B DE 1247525B
- Authority
- DE
- Germany
- Prior art keywords
- lubricating oil
- chlorinated
- lubricating
- lubricating oils
- esters
- 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.)
- Pending
Links
- 239000010687 lubricating oil Substances 0.000 title claims description 33
- 150000002148 esters Chemical class 0.000 title claims description 11
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 11
- RYYWUUFWQRZTIU-UHFFFAOYSA-N Thiophosphoric acid Chemical compound OP(O)(S)=O RYYWUUFWQRZTIU-UHFFFAOYSA-N 0.000 claims description 6
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 4
- 150000005840 aryl radicals Chemical class 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 claims description 2
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- -1 polyphenylene Polymers 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 229920000265 Polyparaphenylene Polymers 0.000 description 4
- 239000002199 base oil Substances 0.000 description 4
- 125000006267 biphenyl group Chemical group 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- IKXFIBBKEARMLL-UHFFFAOYSA-N triphenoxy(sulfanylidene)-$l^{5}-phosphane Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=S)OC1=CC=CC=C1 IKXFIBBKEARMLL-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000005690 diesters Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- ZWRUINPWMLAQRD-UHFFFAOYSA-N nonan-1-ol Chemical compound CCCCCCCCCO ZWRUINPWMLAQRD-UHFFFAOYSA-N 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- GBONVOIRPAJSLA-UHFFFAOYSA-N 2,2,3-trimethylpentan-1-ol Chemical compound CCC(C)C(C)(C)CO GBONVOIRPAJSLA-UHFFFAOYSA-N 0.000 description 1
- CWPPDTVYIJETDF-UHFFFAOYSA-N 2,2,4-trimethylpentan-1-ol Chemical compound CC(C)CC(C)(C)CO CWPPDTVYIJETDF-UHFFFAOYSA-N 0.000 description 1
- GSSDZVRLQDXOPL-UHFFFAOYSA-N 2,2-dimethylhexan-1-ol Chemical compound CCCCC(C)(C)CO GSSDZVRLQDXOPL-UHFFFAOYSA-N 0.000 description 1
- QTOMCRXZFDHJOL-UHFFFAOYSA-N 2,2-dimethylpentan-1-ol Chemical compound CCCC(C)(C)CO QTOMCRXZFDHJOL-UHFFFAOYSA-N 0.000 description 1
- DKYDBQBEFXCOJY-UHFFFAOYSA-N 2-ethyl-2-methylhexan-1-ol Chemical compound CCCCC(C)(CC)CO DKYDBQBEFXCOJY-UHFFFAOYSA-N 0.000 description 1
- STGFANHLXUILNY-UHFFFAOYSA-N 3,7-dioctyl-10h-phenothiazine Chemical compound C1=C(CCCCCCCC)C=C2SC3=CC(CCCCCCCC)=CC=C3NC2=C1 STGFANHLXUILNY-UHFFFAOYSA-N 0.000 description 1
- LRUDIIUSNGCQKF-UHFFFAOYSA-N 5-methyl-1H-benzotriazole Chemical compound C1=C(C)C=CC2=NNN=C21 LRUDIIUSNGCQKF-UHFFFAOYSA-N 0.000 description 1
- GBLPOPTXAXWWPO-UHFFFAOYSA-N 8-methylnonyl nonanoate Chemical compound CCCCCCCCC(=O)OCCCCCCCC(C)C GBLPOPTXAXWWPO-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005069 Extreme pressure additive Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 229940067597 azelate Drugs 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 125000005605 benzo group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000005702 oxyalkylene group Chemical group 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 150000001911 terphenyls Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
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- 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
- C10M3/00—Liquid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single liquid substances
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- 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
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/024—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings having at least two phenol groups but no condensed ring
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
- C10M2207/123—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/129—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more carbon atoms
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/22—Acids obtained from polymerised unsaturated acids
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- C10M2207/28—Esters
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
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- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
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- C10M2207/283—Esters of polyhydroxy compounds
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- C10M2207/286—Esters of polymerised unsaturated acids
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- C10M2207/30—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids
- C10M2207/302—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids derived from the combination of monocarboxylic acids, dicarboxylic acids and dihydroxy compounds only and having no free hydroxy or carboxyl groups
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- C10M2207/30—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids
- C10M2207/304—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids derived from the combination of monohydroxy compounds, dihydroxy compounds and dicarboxylic acids only and having no free hydroxy or carboxyl groups
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- C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
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- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/082—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type monocarboxylic
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- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
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- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/11—Complex polyesters
- C10M2209/111—Complex polyesters having dicarboxylic acid centres
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Description
BUNDESREPUBLIK DEUTSCHLAND DEUTSCHES wfäSsk PATENTAMT
Int. Cl.:
ClQm
Deutsche Kl.: 23 c-1/01
Nummer: 1247525
Aktenzeichen: S 89591IV c/23 c
Anmeldetag: 1. Februar 1964
Auslegeta.g: 17. August 1967
Schmieröle auf der Basis aliphatischer Carbonsäureester, denen zur Verbesserung ihrer Druckaufnahmefähigkeit
als sogenannter Hochdruckzusatz Triarylester der Phosphorthionsäure zugesetzt sind, sind aus
der Zeitschrift »Lubrication Engineering« (August 1952), S. 179, Tabelle III, bekannt. Der Zusatz relativ
hoher Mengen derartiger Phosphorthionsäureester verbietet sich unter anderem allein schon aus Kostengründen.
Aus der deutschen Patentschrift 1 067 553 ist ferner bekannt, daß chlorierte Di- oder Polyphenyle als
Hochdruckzusätze für Diesterschmieröle verwendet werden können.
Bei der Verwendung von chlorierten Polyphenylen als Hochdruckzusatz sind jedoch einer Steigerung der
Druckaufnahmefähigkeit des Schmieröls insofern verhältnismäßig enge Grenzen gesetzt, als die Steigerung
nicht proportional zur Menge des zugesetzten chlorierten Polyphenyls ist, sondern mit steigender Zusatzmenge
rasch absinkt.
Es wurde nun gefunden, daß sich besonders vorteilhafte Wirkungen bezüglich der Druckaufnahmefähigkeit
eines Schmieröls auf der Basis aliphatischer Carbonsäureester erzielen lassen, wenn man Phosphorthionsäureester
in Kombination mit chlorierten Polyphenylen anwendet.
Gegenstand der Erfindung ist somit ein Schmieröl auf der Basis aliphatischer Carbonsäureester, das dadurch
gekennzeichnet ist, daß es in Kombination ein chloriertes Di- oder Polyphenyl mit mindestens einem
Chlorsubstituenten in jedem Benzokern und einen Triarylester von Phosphorthionsäure mit 6 bis
10 C-Atomen in jedem Arylrest enthält.
Aliphatische Carbonsäureester als Basisschmieröle sind gut bekannt. Hierbei werden verwendet:
Ester von einwertigen Alkoholen mit 3 bis 18 Kohlenstoffatomen im Molekül mit einbasischen,
aliphatischen Säuren mit 4 bis 18 Kohlenstoffatomen im Molekül, z. B. Isodecylpelargonat;
Diester zweibasischer Carbonsäuren mit 6 bis 20 Kohlenstoffatomen mit einwertigen Alkoholen
mit 1 bis 12 Kohlenstoffatomen, z. B. Ester der Adipin-, Pimelin-, Suberin-, Azelain- und Sebacinsäure
mit Lauryl-, Heptyl-, Octyl- und Nonylalkohol, oder auch 2,2-Dimethylpentanol,
2,2,4-Trimethy)pentanol,2,2,3-Trimethylpentanol, 2,2-Dimethylhexanol und 2-Methyl-2-äthylhexanol.
Komplexe Ester aus einer aliphatischen Dicarbonsäure und einem Glykol oder Polyglykol, wobei die
Veresterung zweckmäßig in Anwesenheit einer alipha-Esterschmieröl
Anmelder:
Shell
Internationale Research Maatschappij N. V.,
Den Haag
Vertreter:
Dr. E. Jung, Patentanwalt,
München 23, Siegesstr. 26
Als Erfinder benannt:
Alexander Colquhoun
Barr Macphail, Little Sutton, Cheshire;
Francis Terrance Barcroft,
Upton-by-Chester, Cheshire;
Charles Buchan Milne,
Little Sutton, Cheshire (Großbritannien)
Beanspruchte Priorität:
Großbritannien vom 21. Februar 1963 (7013) - -
tischen Monocarbonsäure und/oder eines aliphatischen einwertigen Alkohols durchgeführt wird, z. B.
Ester der Formel
R2OOCR1COOROOCr1COOR2
in welcher R eine Alkylen- oder Oxyalkylengruppe, R1 eine Alkylengruppe und R8 eine Alkylgruppe
bedeutet, erhält man durch Veresterung in Anwesenheit von 2 Mol eines einwertigen aliphatischen Alkohols.
Auch Gemische der beschriebenen Ester können verwendet werden.
Die chlorierten Di- oder Polyphenyle, die als Hochdruckzusatzmittel
in den erfindungsgemäßen Schmierölen verwendet werden, können definiert werden als
Diphenyle, Terphenyle, höhere Polyphenyle oder Gemischer solcher Verbindungen, bei welchen jeder
Benzolkern mit !mindestens einem Chloratom substituiert ist.
Diese Verbindungen enthalten keine Elemente außer Kohlenstoff, Wasserstoff und Chlor und keine anderen, Kernsubstituenten als die Alkylreste und Chloratome. Die chlorierten Di- oder Polyphenyle sind im Handel
Diese Verbindungen enthalten keine Elemente außer Kohlenstoff, Wasserstoff und Chlor und keine anderen, Kernsubstituenten als die Alkylreste und Chloratome. Die chlorierten Di- oder Polyphenyle sind im Handel
709 637/606
erhältlich. Diese Verbindungen, die mindestens 40 Gewichtsprozent Chlor enthalten, sind zur Verwendung
im erfindungsgemäßen Schmierölen geeignet. Sie sollen aber vorzugsweise bis etwa 70 Gewichtsprozent Chlor
enthalten.
Die chlorierten Di- oder Polyphenyle können verwendet werden in Konzentrationen zwischen 0,5 und
10 Gewichtsprozent und vorzugsweise zwischen 1 und 6 Gewichtsprozent, berechnet auf das fertige Schmieröl.
Beispiele geeigneter Triarylester von Phosphorthionsäure sind Triphenylphosphorthionat, Tritolylphosphorthionat,
Tribenzylphosphorthionat und Trixylylphosphorthionat. Triphenylphosphorthionat ist der
bevorzugte Ester.
Diese Triarylester können in Konzentrationen zwischen 0,5 und 10 Gewichtsprozent und vorzugsweise
.zwischen 1 und 6 Gewichtsprozent, berechnet auf das ■fertige Schmieröl, verwendet werden.
Die erfindungsgemäßen Schmieröle können auch beliebige andere bekannte Zusatzstoffe für aliphatische
Carbonsäureesterschmieröle enthalten, wie Verdikkungsmittel, Antioxydationsmittel, die Lackbildung
verhindernde Mittel, schaumhindernde Mittel, Farbstoffe, Antikorrosionsmittel, Metallentaktivatoren sowie
nötigenfalls weitere Hochdruckzusätze.
Zur weiteren Erläuterung der Erfindung wurden Schmieröle mit der in Tabelle I angegebenen Zusammensetzung
hergestellt, geprüft und die Ergebnisse miteinander verglichen. Dabei sind die Schmieröle 6
ίο bis 9 erfindungsgemäße Schmieröle, während die
Schmieröle 1 bis 5 dem Stand der Technik entsprechen und zum Vergleich dienen.
Auf einem I.A.E.-Getriebe (beschrieben in Institute of Petroleum Method 166/60T) mit BSS-EN-34-Stahlzahnrädern
wurde die Druckaufnahmefähigkeit der Schmieröle 1 bis 8 bei öltemperaturen von 60° C und
HO0C geprüft.
Es wurden als wesentliche Kenndaten die Freßlasten bei 200 U/min und 6000 U/min bestimmt und in
ao Tabelle II zusammengestellt.
Zusammensetzung der Schmieröle in Gewichtsprozent
Di-(isooctylazelat)
Chloriertes Diphenyl mit einem Chlorgehalt
von 54 Gewichtsprozent
Triphenylphosphorthionat
3,7-Dioctylphenothiazin
5-Methylbenzotriazol
Polydimethylsiloxan
Phenyl-Ä-naphthylamin
*) ppm = Teile auf eine Million Teile.
| 94,0 | 3 | Schmieröl | 95,0 | 92,0 | 7 | |
| 3,0 | 95,0 | 4 | , | 3,0 | 93,0 | |
| 1 I 2 | — | 5,0 | 92,0 | 2,0 | 2,0 | 5,0 |
| 100,0 | 1,5 | — | 8,0 | 1,5 | 1,5 | 2,0 |
| 25 ppm*) | — | — | 25 ppm*) | 25 ppm*) | — | |
| — | 5 ppm*) | — | — | 5 ppm*) | 5 ppm*) | — |
| — | 1,5 | — | — | 1,5 | 1,5 | — |
| — | — | — | — | |||
| — | — | |||||
| — |
Schmieröl
4 I 5
I.A.E.-Freßlast, kp
2000 U/min
2000 U/min
600C
110° C
6000 U/min
6O0C
1100C
Summe der Freßlasten, kp
Steigerung der Freßlasten mit steigender Konzentration an chloriertem
Diphenyl
Maß der Steigerung der Freßlast pro 1 % Steigerung der Konzentration
an chloriertem Diphenyl
20,41 20,41
15,88 11,34 68,04
24,95 33,57
20,41 15,42 94,35
26,31
31,75
31,75
31,75
21,32
16,78
101,60
7,26
19 ι
| 34,02 34,02 |
40,82 36,29 |
45,36 47,63 |
49,90 49,90 |
| 22,68 18,14 108,86 |
18,14 20,41 115,57 |
18,14 13,61 124,74 |
29,48 27,22 156,49 |
| 7,26 | — | 9,07 | 31,75 |
| 5 | 7 | 35 |
> 54,43
> 54,43
38,56 38,56
> 185,97
> 29,48
> 22
Aus den Resultaten der Tabelle II und insbesondere den Zahlen werten der letzten Rubrik (Maß der Steigerung
der Freßlast ...) ist ersichtlich, daß zwar ein Zusatz von chloriertem Polyphenyl allein zu einer
Steigerung der Freßlast Anlaß gibt, was einem verbesserten Druckaufnahmevermögen entspricht, das Maß
der Steigerung sinkt jedoch mit wachsender Konzentration des Zusatzstoffes rasch ab (Schmieröle gemäß
den Beispielen 2 bis 4).
Der Zusatz einer geringen Menge Phosphorthionsäureester
zum Basisöl (Schmieröl 1) erhöht dessen Druckaufnahmefähigkeit beträchtlich (Schmieröl 5).
Die Druckaufnahmefähigkeit des Phosphorthionsäureester enthaltenden Schmieröls 5 wird durch den Zusatz
einer kleinen Menge chlorierten Polyphenyls weiter erhöht (Schmieröl 6), wenn auch nicht um den gleichen
Betrag wie die des Basisöls (Schmieröl 1) durch die gleiche Menge chloriertes Polyphenyl allen (Schmieröl
2).
Steigert man jedoch die Menge des zugesetzten chlorierten Polyphenyls (Schmieröle 7 und 8), so erhöht
sich nicht nur die Druckaufnahmefähigkeit schneller
als die Konzentration des chlorierten Polyphenyls, während das Maß der Steigerung der Freßlast bei
Schmierölen ohne Gehalt an Phosphorthionsäureester rasch sinkt (vgl. Schmieröle 2 bis 4), sondern die Freßlasterhöhung
gegenüber dem Basisöl (Schmieröl 1) wird auch absolut größer, als der Summe der Freßlasterhöhungen durch die beiden Zusätze
in den entsprechenden Konzentrationen entspricht.
Dieser Effekt ist ganz überraschend und erlaubt es, Schmieröle zur Verfügung zu stellen, die hinsichtlich
der Druckaufnahmefähigkeit allen Anforderungen genügen.
Claims (1)
- Patentanspruch:Schmieröl auf der Basis aliphatischer Carbonsäureester, dadurch gekennzeichnet, daß es eine Kombination aus einem chlorierten Di- oder Polyphenyl mit mindestens einem Chlorsubstituenten in jedem Benzolkern und einen Triarylester von Phosphorthionsäure mit 6 bis 10 C-Atomen in jedem Arylrest enthält.ίο In Betracht gezogene Druckschriften:Deutsche Patentschrift Nr. 1 067 553;
»Lubricating Engineering«, August 1952, S. 179, Tabelle III.709 637/606 S. 67 © Bundesdruckerei Berlin
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7013/63A GB959545A (en) | 1963-02-21 | 1963-02-21 | Improvements in or relating to lubricating oil compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1247525B true DE1247525B (de) | 1967-08-17 |
Family
ID=9824977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES89591A Pending DE1247525B (de) | 1963-02-21 | 1964-02-19 | Esterschmieroel |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3297574A (de) |
| BE (1) | BE644059A (de) |
| DE (1) | DE1247525B (de) |
| GB (1) | GB959545A (de) |
| NL (1) | NL6401503A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3493509A (en) * | 1967-12-04 | 1970-02-03 | Us Army | Synthetic lubricating oil for timing mechanisms |
| US4116874A (en) * | 1975-08-27 | 1978-09-26 | Nippon Oil Co., Ltd. | Compressor oil compositions |
| US4175047A (en) * | 1978-09-25 | 1979-11-20 | Mobil Oil Corporation | Synthetic ester and hydrogenated olefin oligomer lubricant and method of reducing fuel consumption therewith |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1067553B (de) | 1957-04-29 | 1959-10-22 | Wakefield & Co Ltd C C | Synthetisches Schmiermittel auf Esterbasis |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2157452A (en) * | 1934-03-31 | 1939-05-09 | Standard Oil Co California | Extreme pressure lubricating compositions |
| US2242260A (en) * | 1937-01-22 | 1941-05-20 | Lubri Zol Dev Corp | Lubricating composition |
| GB757241A (en) * | 1953-09-17 | 1956-09-19 | Wakefield & Co Ltd C C | Improvements in or relating to lubricating compositions |
| NL235995A (de) * | 1958-02-11 | |||
| NL247300A (de) * | 1959-01-14 |
-
1963
- 1963-02-21 GB GB7013/63A patent/GB959545A/en not_active Expired
-
1964
- 1964-01-20 US US338588A patent/US3297574A/en not_active Expired - Lifetime
- 1964-02-19 BE BE644059D patent/BE644059A/xx unknown
- 1964-02-19 NL NL6401503A patent/NL6401503A/xx unknown
- 1964-02-19 DE DES89591A patent/DE1247525B/de active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1067553B (de) | 1957-04-29 | 1959-10-22 | Wakefield & Co Ltd C C | Synthetisches Schmiermittel auf Esterbasis |
Also Published As
| Publication number | Publication date |
|---|---|
| US3297574A (en) | 1967-01-10 |
| NL6401503A (de) | 1964-08-24 |
| GB959545A (en) | 1964-06-03 |
| BE644059A (de) | 1964-08-19 |
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