DE928194C - Schmierstoffzusatzmittel - Google Patents

Schmierstoffzusatzmittel

Info

Publication number
DE928194C
DE928194C DEF5434A DEF0005434A DE928194C DE 928194 C DE928194 C DE 928194C DE F5434 A DEF5434 A DE F5434A DE F0005434 A DEF0005434 A DE F0005434A DE 928194 C DE928194 C DE 928194C
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DE
Germany
Prior art keywords
weight
lubricant additives
oil
cutting
additives
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
DEF5434A
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English (en)
Inventor
Werner Dr Mueller
Hans Dr Stephan
Max Dr Zimmermann
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
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 DEF2675D external-priority patent/DE851237C/de
Application filed by Bayer AG filed Critical Bayer AG
Priority to DEF5434A priority Critical patent/DE928194C/de
Application granted granted Critical
Publication of DE928194C publication Critical patent/DE928194C/de
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
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C10M2203/06—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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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/08—Aldehydes; Ketones
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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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    • C10M2207/10—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
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    • 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
    • C—CHEMISTRY; METALLURGY
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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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    • C10M2211/02—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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    • C10M2211/06—Perfluorinated compounds
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    • C10M2215/14—Containing carbon-to-nitrogen double bounds, e.g. guanidines, hydrazones, semicarbazones
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
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    • 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

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

Description

Gegenstand des Patents 851237 ist die Verwendung von Phosphorverbindungen der allgemeinen Formeln
,R
oder [= P] 1
worin R einen Kohlenwasserstoffrest, z. B. einen Alkyl-, Aralkyl-, Aryl- oder heterocyclischen Rest, und X eine der folgenden Gruppen: OH, SH, OR, SR, NH2, NHR, NRj bedeutet und die Kohlenwasserstoffreste substituiert sein können, als Schmiermittel oder Schmierstoffzusatzmittel.
Es wurde nun gefunden, daß man die günstige' Wirkung dieser Zusatzmittel erhöhen bzw. für einen längeren Zeitraum aufrechterhalten kann, wenn man ihnen Halogenderivate von Kohlenwasserstoffen, vorzugsweise Chlor- und/oder Fluorderivate, zusetzt. Besonders geeignet sind solche unter den jeweiligen Arbeitsbedingungen beständigen Derivate, deren Halogengehalt sich auf bis zu etwa 70% beläuft und deren Siedepunkt oberhalb 2oo° liegt.
Die Kohlenwasserstoffe, die den erfmdungsgemäß in Betracht kommenden Halogenderivaten zugrunde liegen, können der aliphatischen, cycloaliphatischen oder aromatischen Reihe angehören.
Als brauchbare Halogenderivate seien beispielsweise genannt: Chlorparaffine, Chlorolefine, wie Hexachlorbutadien, Tetrachlorbenzol, chloriertes Diphenyl, 1,2-Dichlornaphthalin oder die ent-
sprechenden ι, 3-, ι, δ,-, ι, 5"; ι» 6-, 2, 3-Derivate, Dichlorantlhracen und Chlorphenanthrene.
Wie weiterhin gefunden wurde, lassen sich die
vorgeschlagenen Halogenderivate auch .mit gutem Erfolg zur Verbesserung der Eigenschaften der Schmier- und Poliermittel verwenden, die den Gegenstand des Patents 879 138 bilden und die aus einen oder " mehrere Kohlenwasserstoffreste enthaltenden Phosphinsäuren und primären aliphatischen Alkoholen bestehen.
Das geeignete Mengenverhältnis, in dem die vorgeschlagenen Verbindungen in Ansatz gebracht werden, läßt sich jeweils durch entsprechende Vorversuche leicht ermitteln. Im allgemeinen können die Zusatzmengen im Grundöl sehr gering gehalten werden; selbst bei den höchsten Anforderungen braucht man 3%> nicht zu überschreiten.
Bei Anwendung der erfindungsgemäß vorao geschlagenen Zusatzmittel kann man nunmehr z. B. als Schneidöle auch niederviskose Grundöle verwenden und damit sowohl die Schmierung als auch die Kühlung so verbessern, daß die Leistung der Bearbeitungsmaschinen ohne Beeinträchtigung der Güte der Werkstücke um ein Vielfaches erhöht wird. Der Verschleiß der Werkzeuge wird erheblich vermindert und die Standfestigkeit wie auch die Schnittgeschwindigkeit gesteigert.
Bemerkenswert ist fernerhin, daß die vorgeschlagenen Zusatzmittel keine mineralischen Anteile enthalten und auch .keine schwefelhaltigen Bestandteile, die bekanntlich im Betrieb zu Geruchsbelästigungen, Korrosionen, Anlaufen der Buntmetalle usw. führen. Die Maschinenteile' und Werkstücke bleiben nach der Bearbeitung und Abstellung rostfrei, ein Vorteil, der bei den vielfach verwendeten wäßrigen Bohr- und Schneidölemulsionen nicht ohne weiteres gegeben ist.
Außer den erfindungsgemäß in Betracht kommenden Zusatzmitteln kann man den ölen und Schmierstoffen auch noch andere Zusätze, wie Stabilisatoren, Oxydationsverhinderer u. dgl., beimischen, z. B. Polyalkylphenole oder Azomethine, die aus primären Aminen einerseits und aus einen cyclischen Rest mit einer orthoständigen Hydroxylgruppe tragenden Carbonylverbindungen andererseits aufgebaut sind, und dadurch die Haltbarkeit und Gebrauchsfähigkeit der Öle und Schmierstoffe weiter verbessern.
B e is ρ i el ι
ι Gewichtsteil eines chlor- und fluorhaltigen Diphenyle mit einem Gesamthalogengehalt von 'ungefähr 45°/o und ι Gewichtsteil 4-Chlorphenylphosphinsäure gemäß Patent 851 237 werden 200 Gewichtsteile Mineralöl der Viskosität 5 bis 6° E/ 500 C zugesetzt. Mit diesem Schneidöl kann man mit Gewindebohrern und Schneideisen selbst in Stahl von hoher Festigkeit Gewinde schneiden, wobei die Werkzeuge in geringerem Maße als üblich abgenutzt werden.
Beispiel 2
Eine Mischung aus 3 Gewichtsteilen eines chlorierten Diphenyle mit einem Chlorgehalt von etwa 50% und 1 Gewichtsteil Bis-(p-öhlorphenyl-) phosphinsäure-butylester gemäß Beispiel 3 des Patents 879 138 wird 200 Gewiehtsteilen eines Spindelöles von etwa 1,5° E/500 C zugesetzt.
Man erhält ein Automatenöl, welches eine einwandfreie Zerspanung unter beträchtlicher Erhöhung der Schnittgeschwindigkeiten bzw. der Vorschübe zuläßt. Die Kühlwirkung des Öles ist auch bei höheren Schnittgeschwindigkeiten ausreichend. Eine störende Schaumbildung tritt nicht auf.
Beispiel3
ι Gewichtsteil Hexachlorbutadien vom Siedepunkt 283 ° und ι Gewichtsteil p-Chlorphenylphosphinssäure-distearylester gemäß Beispiel 2 des Patents 879 138 werden 70 Gewiehtsteilen Mineralöl, von etwa 2 bis 30 E/500 zugesetzt. Dieses Schneidöl ist besonders für Automatenarbeiten mit zusätzlichen Gewindeschneiden geeignet; es weist die gleichen Vorteile auf, die im Beispiel 2 angegeben sind.

Claims (1)

  1. PATENTANSPRUCH:
    Weitere Ausbildung des Gegenstandes der Patente 851 237 und 879 138, dadurch gekennzeichnet, daß die Schmierstoffzusatzmittel zusammen mit Halogenderivaten von Kohlenwasserstoffen verwendet werden.
    1 509 507 5.55
DEF5434A 1943-10-12 1951-01-18 Schmierstoffzusatzmittel Expired DE928194C (de)

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DEF5434A DE928194C (de) 1943-10-12 1951-01-18 Schmierstoffzusatzmittel

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Application Number Priority Date Filing Date Title
DEF2675D DE851237C (de) 1943-10-12 1943-10-12 Schmier- bzw. Poliermittel
DEF5434A DE928194C (de) 1943-10-12 1951-01-18 Schmierstoffzusatzmittel

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DE928194C true DE928194C (de) 1955-05-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115395B (de) * 1958-02-11 1961-10-19 Castrol Ltd Schmiermittel auf Mineralschmieroelbasis
DE1150485B (de) * 1960-04-02 1963-06-20 F F A I Societa Per Azioni Fab Zusatzmittel fuer Mineralschmieroele

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115395B (de) * 1958-02-11 1961-10-19 Castrol Ltd Schmiermittel auf Mineralschmieroelbasis
DE1150485B (de) * 1960-04-02 1963-06-20 F F A I Societa Per Azioni Fab Zusatzmittel fuer Mineralschmieroele

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