DE1265331B - Schmieroel - Google Patents

Schmieroel

Info

Publication number
DE1265331B
DE1265331B DES93888A DES0093888A DE1265331B DE 1265331 B DE1265331 B DE 1265331B DE S93888 A DES93888 A DE S93888A DE S0093888 A DES0093888 A DE S0093888A DE 1265331 B DE1265331 B DE 1265331B
Authority
DE
Germany
Prior art keywords
acid amide
lubricating oil
nitrite
percent
anhydride
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
Application number
DES93888A
Other languages
English (en)
Inventor
Richard Augustine Butcosk
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.)
Mobil Oil AS
Original Assignee
Mobil Oil AS
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 US319497A external-priority patent/US3278427A/en
Priority claimed from US320924A external-priority patent/US3296127A/en
Application filed by Mobil Oil AS filed Critical Mobil Oil AS
Publication of DE1265331B publication Critical patent/DE1265331B/de
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • C07D207/34—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D207/36—Oxygen or sulfur atoms
    • C07D207/40—2,5-Pyrrolidine-diones
    • C07D207/404—2,5-Pyrrolidine-diones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms, e.g. succinimide
    • C07D207/408—Radicals containing only hydrogen and carbon atoms attached to ring carbon atoms
    • C07D207/412—Acyclic radicals containing more than six carbon atoms
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    • 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
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/02—Water
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/08—Inorganic acids or salts thereof
    • C10M2201/082—Inorganic acids or salts thereof containing nitrogen
    • C10M2201/083—Inorganic acids or salts thereof containing nitrogen nitrites
    • C—CHEMISTRY; METALLURGY
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/085—Phosphorus oxides, acids or salts
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
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    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
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    • C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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    • C10M2207/125—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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    • C10M2207/128—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 containing hydroxy groups; Ethers thereof
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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
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    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Lubricants (AREA)

Description

BUNDESREPUBLIK DEUTSCHLAND
DEUTSCHES
PATENTAMT
AUSLEGESCHRIFT
Int. Cl.:
ClOm
Deutsche Kl.: 23 c-1/01
Nummer: 1 265 331
Aktenzeichen: S 93888IV c/23 c
Anmeldetag: 23. Oktober 1964
Auslegetag: 4. April 1968
Es ist bekannt, Alkalinitrite, z. B. Natriumnitrit, als Rostinhibitoren in Schmiermitteln zu verwenden. Deren Zusatz hat jedoch den Nachteil, daß hierbei während des Einsatzes der Schmiermittel eine Beschädigung oder ein Abrieb der geschmierten Metalloberflächen bewirkt werden kann. Bei Anwendung geringerer Konzentrationen an Alkalinitrit besitzen die Schmiermittel jedoch keine hinreichende korrosionsverhindernde Eigenschaft.
Es wurde nun gefunden, daß Schmiermittel mit wirksamen und brauchbaren korrosions- und rostinhibierenden Eigenschaften hergestellt werden können, wenn sie zusätzlich zu den Alkalinitriten noch ein N-Carboxymethylalkenylbernsteinsäureamid mit 8 bis 35 Kohlenstoffatomen im Alkenylrest enthalten. Die synergistische Wirkung dieser Kombination macht es möglich, 'so kleine Mengen des Alkalinitrits und der N-Carboxymethylalkenylbemsteinsäureamide zu verwenden, daß geschmierte metallische Oberflächen durch die Nitritkomponente in der Schmiermittelzusammensetzung nicht abgeschliffen, zerkratzt oder in anderer Weise beschädigt werden, wobei andererseits diese Schmiermittel wirksame korrosionsinhibierende Eigenschaften besitzen.
Als Alkalinitrite werden Natriumnitrit, Kaliumnitrit und Lithiumnitrit, vorzugsweise Natriumnitrit, in einer Menge von 40 bis 70, vorzugsweise 45 bis 65 Gewichtsprozent, bezogen auf die Menge der Zusatzmischung, verwendet.
Das N - Carboxymethylalkenylbernsteinsäureamid wird nach verschiedenen bekannten Methoden hergestellt, z. B. indem man ein Alkenylbernsteinsäureanhydrid oder eine Alkenylbernsteinsäure mit Glycin (Aminoessigsäure) in äquimolaren Mengen und unter Entfernung von Wasser bei 90 bis 120° C umsetzt.
Als Alkenylbernsteinsäureanhydrid werden z. B. Octenylbernsteinsäureanhydrid^iisobutenylbernsteinsäureanhydrid, 2 - Methylheptenylbernsteinsäureanhydrid, 4 - Äthylhexenylbernsteinsäureanhydrid, Nonenylbernsteinsäureanhydrid, Decenylbernsteinsäureanhydrid, Undecenylbernsteinsäureanhydrid, Dodecenylbernsteinsäureanhydrid, Triisobutenylbernsteinsäureanhydrid, Tetrapropenylbernsteinsäureanhydrid, Tetradecenylbernsteinsäureanhydrid^exadecenylbernsteinsäureanhydrid, 11 - Tricosenylbernsteinsäureanhydrid und 17-Pentatriacontenylbernsteinsäureanhydrid verwendet. Es können auch die entsprechenden Alkenylbernsteinsäuren verwendet werden. Das N-Carboxymethylalkenylbernsteinsäureamid wird dem Schmiermittel in einer Menge von 30 bis 60, vorzugsweise 35 bis 55 Gewichtsprozent, bezogen auf die Zusatzmischung, zugesetzt.
Schmieröl
Anmelder:
Mobil Oil Corporation,
New York, N. Y. (V. St. A.)
Vertreter:
Dr. E. Wiegand und Dipl.-Ing. W. Niemann,
Patentanwälte,
8000 München 15, Nußbaumstr. 10
Als Erfinder benannt:
Richard Augustine Butcosk,
Westmont, N. J. (V. St. A.)
Beanspruchte Priorität:
V. St. v. Amerika vom 28. Oktober 1963
(319 497)
Das Schmiermittel enthält die Zusatzmischung in einer Menge von 0,2 bis 3,0, vorzugsweise von 0,5 bis 1,5 Gewichtsprozent, das entspricht einem Alkalinitritgehalt von 0,1 bis 2,0 Gewichtsprozent, vorzugsweise 0,3 bis 1,0 Gewichtsprozent, und einem N-Carboxymethyl - alkenylbernsteinsäureamidgehalt von 0,1 bis 1,0, vorzugsweise 0,2 bis 0,5 Gewichtsprozent.
Beim Zusatz der Komponenten zu dem Schmiermittel ist zu beachten, daß, falls es sich um ein wasserhaltiges Schmiermittel handelt, das Alkalinitrit zuerst hinzugegeben wird, während bei einem nicht wasserhaltigen Schmiermittel die Reihenfolge des Zusatzes beliebig ist.
In den Beispielen werden Natriumnitrit und N-Carboxymethyltetrapropenylbernsteinsäureamid (das Reaktionsproduktvon Glycin mitTetrapropenylbernsteinsäureanhydrid) in ein komplexes Calcium-Bleiacetat-Schmierfett (nach USA.-Patentschrift 2 898 297) zugegeben. In jedem Fall werden wäßrige Lösungen von Natriumnitrit verwendet und zu dem Schmierfett zugegeben, während letzteres über einen hinreichenden Zeitraum, um das anwesende Wasser auszutreiben, bei einer Temperatur von 99° C gehalten wird. Das Bernsteinsäureamid wird danach zugesetzt. Die entsprechenden Schmierfettzusammenstellungen werden dem Lagerschutztest (Bearing Protection Test), ASTM-D-1743-Einstufung, unterworfen.
809 537/522
Beispiel NaNO2
Gewichtsprozent		 N-Carboxymethyltetra-
propenylbernsteinsäurearnid
Gewichtsprozent		 Lagerschutztest,
ASTM-D-1743-Einstufung*
1 (kein Zusatz)
2
3
4
5
6		 O
0,1
0,5
0
0,1
0,2		 0
0
0
0,2
0,2
0,3		 3
3
3
3
1
1
* Einstufung 1: Keine Flecken am Lagergehäuse oder an der Walze (ausgezeichnet). Einstufung 2: Einen bis drei sehr kleine Flecken (genügend). Einstufung 3: Zwei oder mehr große Flecken (schlecht).
Aus den vorstehenden Werten ist ersichtlich, daß gemäß den Beispielen 5 und 6 durch die kombinierte Verwendung des Alkalinitrits und des N-Carboxymethylalkenylbernsteinsäureamids eine synergistische Wirkung erzielt wird.

Claims (1)

  1. Patentanspruch:
    Schmieröl, enthaltend ein Alkalinitrit, dadurch gekennzeichnet, daß es zusätzlich ein N - Carboxymethylalkenylbernsteinsäureamid mit 8 bis 35 Kohlenstoffatomen im Alkenylrest enthält.
    809 537/522 3.68 ® Bundesdruckerei Berlin
DES93888A 1963-10-28 1964-10-23 Schmieroel Pending DE1265331B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US319497A US3278427A (en) 1963-10-28 1963-10-28 Corrosion inhibited lubricating composition
US320924A US3296127A (en) 1963-11-01 1963-11-01 Corrosion inhibited lubricating compositions

Publications (1)

Publication Number Publication Date
DE1265331B true DE1265331B (de) 1968-04-04

Family

ID=26982035

Family Applications (2)

Application Number Title Priority Date Filing Date
DES93888A Pending DE1265331B (de) 1963-10-28 1964-10-23 Schmieroel
DES93985A Pending DE1280452B (de) 1963-10-28 1964-10-30 Schmiermittel

Family Applications After (1)

Application Number Title Priority Date Filing Date
DES93985A Pending DE1280452B (de) 1963-10-28 1964-10-30 Schmiermittel

Country Status (4)

Country Link
DE (2) DE1265331B (de)
GB (2) GB1032156A (de)
NL (2) NL141572B (de)
SE (2) SE300860B (de)

Also Published As

Publication number Publication date
GB1076050A (en) 1967-07-19
GB1032156A (en) 1966-06-08
SE300860B (de) 1968-05-13
SE301687B (de) 1968-06-17
DE1280452B (de) 1968-10-17
NL6412692A (de) 1965-05-03
NL145598B (nl) 1975-04-15
NL141572B (nl) 1974-03-15
NL6412465A (de) 1965-04-29

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