DE919128C - Lubricant additives - Google Patents

Lubricant additives

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Publication number
DE919128C
DE919128C DEF5505A DEF0005505A DE919128C DE 919128 C DE919128 C DE 919128C DE F5505 A DEF5505 A DE F5505A DE F0005505 A DEF0005505 A DE F0005505A DE 919128 C DE919128 C DE 919128C
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Germany
Prior art keywords
weight
lubricant additives
additives
compounds
oil
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
Application number
DEF5505A
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German (de)
Inventor
Dr Hans Stephan
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.)
Bayer AG
Original Assignee
Bayer AG
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Filing date
Publication date
Priority claimed from DEF2675D external-priority patent/DE851237C/en
Application filed by Bayer AG filed Critical Bayer AG
Priority to DEF5505A priority Critical patent/DE919128C/en
Application granted granted Critical
Publication of DE919128C publication Critical patent/DE919128C/en
Expired legal-status Critical Current

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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
    • C10M1/00—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants
    • C10M1/08—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants with additives
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    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/06—Well-defined aromatic compounds
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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
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    • 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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    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
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    • 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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    • C10M2207/287—Partial esters
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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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    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
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    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
    • C10M2211/022—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aliphatic
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    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
    • C10M2211/024—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aromatic
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
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Description

Es hat sich gezeigt, daß die Mittel, die nach den Patenten 851237 und 879138 zugesetzt werden sollen, ihre günstige Wirkung in manchen Fällen in vermindertem Maße ausüben, und zwar besonders dann, wenn die verwendeten Grundöle oder -fette einen Gehalt an ungesättigten Verbindungen aufweisen, wie er z. B. durch die SK-Zahl charakterisiert wird. Offenbar treten die Zusatzmittel mit den olefinischen Anteilen der Grundöle in Reaktion und erleiden dadurch eine Einbuße in ihrer Wirksamkeit. Ein solches Nachlassen in der Wirksamkeit der Zusatzmittel ist besonders bei ölen zu beobachten, die bereits eine gewisse Zeit hohen Belastungen ausgesetzt gewesen sind und infolgedessen Veränderungen in ihrer Struktur erlitten haben.It has been shown that the agents according to patents 851237 and 879138 are added should, in some cases, exert their beneficial effect to a lesser extent, and especially if the base oils or fats used contain unsaturated compounds, how he z. B. is characterized by the SK number. Apparently, the additives occur with the olefinic proportions of the base oils in reaction and suffer a loss in their effectiveness. Such a decrease in the effectiveness of the additives can be observed particularly with oils, who have already been exposed to high loads for a certain period of time and, as a result, changes have suffered in their structure.

Es wurde nun gefunden, daß man diese Einbuße an der Wirksamkeit der Zusatzmittel verhindern bzw. verringern kann, wenn man ihnen philodiene Verbindungen zusetzt.It has now been found that this loss of effectiveness of the additives can be prevented or can be reduced if one adds philodiene compounds to them.

so Philodiene Verbindungen, wie sie zur Durchführung der Erfindung in Betracht kommen, sind z. B. in der Sammlung »Neuere Methoden der präparativen organischen Chemie«, 1943, in dem Abschnitt »Die Methode der Diensynthese« von Aider auf S. 262 ff. beschrieben, wobei besonders auf Verbindungen hingewiesen sei, die den folgenden Grundtypen entsprechen:so are philodiene compounds as they come into consideration for carrying out the invention z. B. in the collection "Newer Methods of Preparative Organic Chemistry", 1943, in the Section "The method of diene synthesis" described by Aider on p. 262 ff., With particular attention should be drawn to connections that correspond to the following basic types:

i. >C = C< 3.-C=Ni. > C = C <3.-C = N

2.-CsC- 4.-N = N-2.-CsC- 4.-N = N-

Von den zahlreichen in Betracht kommenden Verbindungen seien nachstehend einige beispielsweise angeführt: Maleinsäure, Undecylensäure, Vinylacetat, Benzalaceton, Benzalacetophenon, Diphenylacetylen, Benzonitrii, Azodicarbonsäurediäthylester. Die Verbindungen können auch substituiert sein, und an Stelle freier Säuren können auch deren Anhydride, Ester, Halbester, Amide, Imide oder ähnliche Derivate verwendet werden, wie z. B. Maleinsäureanhydrid oder Acrylsäurebutylester. Of the many possible compounds, some are exemplified below listed: maleic acid, undecylenic acid, vinyl acetate, benzalacetone, benzalacetophenone, Diphenylacetylene, Benzonitrii, azodicarboxylic acid diethyl ester. The compounds can also be substituted and instead of free acids, their anhydrides, esters, half-esters, amides, Imides or similar derivatives are used, such as. B. maleic anhydride or butyl acrylate.

Die mit den erfindungsgemäßen Zusatzmittelmischungen versehenen Schmieröle und -fette entsprechen in ihrer Belastungsfähigkeit den höchsten Anforderungen; die Zusatzmittelmischungen bewirken ferner einen erheblichen Abfall auftretender Reibungskräfte, was sich auch bei. ölen mit niederer SK-Zahl vorteilhaft bemerkbar macht.The lubricating oils and greases provided with the additive mixtures according to the invention correspond in their resilience to the highest demands; cause the admixture mixtures also a considerable decrease in frictional forces occurring, which is also the case. oil with lower SK number makes noticeable advantageous.

B e i s ρ i e 1 ιB e i s ρ i e 1 ι

100 Gewichtsteile eines Kompressoröls (Raffinat) der Viskosität 200 E/5010 C und der SK-Zahl 45 werden mit 1 Gewichtsteil Bis-(p-chlorphenyl)-phosphinsäure-butylester gemäß Beispiel 3 des Patents 879138 und ι Gewichtsteil Maleinsäureanhydrid versetzt. Das mit dieser Zusatzmittelmischung versehene Öl hält eine höhere Belastung aus als das öl, das nur Zusatzmittel gemäß Beispiel 3 des Patents 879 138 enthält; gleichzeitig ist auch noch ein bedeutender Abfall der auftretenden Reibungskräfte festzustellen. Die gleichen Ergebnisse werden auch mit einer entsprechenden äquivalenten Menge von Maleinsäure selbst oder deren Estern, wie z. B. Maleinsäuremonodecylester und Maleinsätiredibutylester, oder mit Maleinsäurestearylimid erhalten; dasselbe gilt auch für Benzonitrii oder chlorierte Benzonitrile.100 parts by weight of a compressor oil (raffinate) of viscosity 20 0 E / 50 10 C and SK number 45 are mixed with 1 part by weight of bis (p-chlorophenyl) phosphinate according to Example 3 of patent 879138 and ι part by weight of maleic anhydride. The oil provided with this admixture of additives withstands a higher load than the oil which only contains additives according to Example 3 of the patent 879 138; At the same time, there is also a significant decrease in the frictional forces that occur. The same results are also obtained with a corresponding equivalent amount of maleic acid itself or its esters, such as e.g. B. Maleic acid monodecyl ester and Maleinsätiredibutylester, or obtained with maleic acid stearylimide; the same also applies to benzonitriles or chlorinated benzonitriles.

B ei sp iel 2Example 2

100 Gewichtsteile eines Eiskompressoröls der Viskosität i,8° E/500 C und der SK-Zahl 63 werden außer mit 1 Gewichtsteil Bis-(p-chlorphenyl)-phosphinsäure-butylester gemäß Beispiel 3 des Patents 879138 noch mit 1 Gewichtsteil Benzalaceton versetzt. Das öl hält nunmehr die höchste Belastung aus.100 parts by weight of a Eiskompressoröls the viscosity i, 8 ° E / 50 0 C and the SK-number 63 are added except 1 part by weight of bis (p-chlorophenyl) phosphinic acid tert-butyl ester according to Example 3 of the patent 879 138 or with 1 part by weight of benzal acetone. The oil can now withstand the highest levels of stress.

Beispiel-3Example-3

100 Gewichtsteile eines Sattdampf zylinderöle der Viskosität 3,5° E/1000 C und der SK-Zahl 85 werden mit 1 Gewichtsteil Toluylphosphinsäuredipropylester gemäß Beispiel 1 des Patents 879 138 und ι Gewichtsteil Undecylensäure vermischt. Das so erhaltene öl kann den höchsten Belastungen ausgesetzt werden.100 parts by weight of a saturated steam cylinder oils of viscosity 3.5 ° E / 100 0 C and the number SK-85 are according to Example 1 of the patent 879,138 and ι weight part is mixed with 1 part by weight Toluylphosphinsäuredipropylester undecylenic acid. The oil obtained in this way can be exposed to the highest loads.

Claims (1)

PATENTANSPRUCH:PATENT CLAIM: Weitere Ausbildung des Gegenstandes der Patente 851237 und 879138, dadurch gekennzeichnet, daß die Schmierstoffzusatzmittel zusammen mit philodienen Verbindungen verwendet werden.Further development of the subject matter of patents 851237 and 879138, characterized in that that the lubricant additives used together with philodiene compounds will.
DEF5505A 1943-10-12 1951-01-31 Lubricant additives Expired DE919128C (en)

Priority Applications (1)

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DEF5505A DE919128C (en) 1943-10-12 1951-01-31 Lubricant additives

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DEF2675D DE851237C (en) 1943-10-12 1943-10-12 Lubricants and polishing agents
DEF5505A DE919128C (en) 1943-10-12 1951-01-31 Lubricant additives

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