DE880776C - Process for improving lubricants - Google Patents

Process for improving lubricants

Info

Publication number
DE880776C
DE880776C DEB7881D DEB0007881D DE880776C DE 880776 C DE880776 C DE 880776C DE B7881 D DEB7881 D DE B7881D DE B0007881 D DEB0007881 D DE B0007881D DE 880776 C DE880776 C DE 880776C
Authority
DE
Germany
Prior art keywords
acid
lubricants
aliphatic
added
inorganic
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
DEB7881D
Other languages
German (de)
Inventor
Wolfgang Dr Dr H C Ostwald
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Priority to DEB7881D priority Critical patent/DE880776C/en
Application granted granted Critical
Publication of DE880776C publication Critical patent/DE880776C/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M1/00Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants
    • C10M1/08Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants with additives
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/121Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/121Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/122Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms monocarboxylic
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/042Sulfate esters
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/086Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing sulfur atoms bound to carbon atoms of six-membered aromatic rings

Landscapes

  • 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

Verfahren zur Verbesserung von Schmierstoffen Bekanntlich wird die Schmierfähigkeit von Schmierstoffen unter der Einwirkung höherer Temperaturen, wie sie beispielsweise im Betrieb von Bren.nkraftmaschinen auftreten, stark herabgesetzt. Diese Herabsetzung beruht nicht nur auf der mit der Temperaturerhöhung Hand in. Hand gehenden. Verflüssigung, sondern, geht in ganz beträchtlichem Maße auf die Rückstandsbildung, Verharzung u. dgl. zurück. So wird beispielsweise derSchmierfilm an derZylind.er'wand nach gewisser Zeit unter Umständen bei gleichzeitiger Rückstandsbildung zerstört, wodurch Leistungsabfall und sogar oft die Zerstörung der Brennkraftmaschine- eintritt.Process for improving lubricants It is known that the Lubricity of lubricants under the influence of higher temperatures, such as they occur, for example, in the operation of Bren.nkraftmaschinen, greatly reduced. This reduction is not only due to that which goes hand in hand with the increase in temperature. Hand going. Liquefaction, rather, goes to quite a considerable extent on that Residue formation, resinification and the like back. For example, the lubricating film on the cylinder wall after a certain time, possibly with simultaneous residue formation destroyed, which leads to a drop in performance and often even the destruction of the internal combustion engine entry.

Es wurde gefunden, daß die Bildung von koblenstoffreichen: Rückständen. verlangsamt, herabgesetzt wird oder in weniger betriebsstörender Form geschieht, wenn man .dem Schmierstoff Zusätze von chemischen Verbindungen beigibt, die folgendermaßen gekennzeichnet werden können.: R- (SX) -A.It has been found that the formation of carbon-rich residues. is slowed down, reduced or occurs in a less disruptive manner, when adding chemical compounds to the lubricant, these are as follows can be marked: R- (SX) -A.

Hierbei bedeutet R einen aliphatischen oder aromatisch-aliphatischen Rest, der auch über eine urganische-Oxy- oder: Thiosäure mit der folgenden Säure SX, die eine mehrbasische anorganische Säure, beispielsweise eine Sauerstoffsäure des Schwefels darstellt, und entweder über eine 0-oder S-Brücke wie auch direkt --finit dem Zentralatom der Säure verknüpft sein kann. A ist schließlich das Kation einer anorganischen oder organischen Base bzw. Ammonium oder -ein Homologes davon z. B. Pyridinium.Here, R denotes an aliphatic or aromatic-aliphatic Rest who also have a urganische-oxy- or: thio-acid with the following acid SX, which is a polybasic inorganic acid, for example a Oxygen acid of sulfur represents, and either via an O or S bridge as can also be directly --finitely linked to the central atom of the acid. A is after all the cation of an inorganic or organic base or ammonium or a homologue of which z. B. pyridinium.

V er Iindungen dieser Art sind z. B. Dodeyl# natriumsuffat, Oleylnatriumsulfat, Alkylpyridiniumsülfat oder Verbindungen von Ryp R- O C O (CH2) n S S 03 Na.Connections of this type are e.g. B. Dodeyl sodium sulfate, oleyl sodium sulfate, Alkylpyridinium sulphate or compounds of Ryp R- O C O (CH2) n S S 03 Na.

Diese Stoffe setzen allein und in Gemischen, besonders aber auch bei Gegenwart niederer organischer Fettsäuren und ihrer Salze, wie z. B.. Propionsäure, bei Zusatz ih gelöster oder höchdisperser Form die Rückstandsbildung und Verharzung im Verbrennungsraum von Brennikraftmaschinen herab.These substances are used alone and in mixtures, but especially also with Presence of lower organic fatty acids and their salts, such as. B. Propionic acid, with the addition of dissolved or highly dispersed form, the formation of residues and resinification in the combustion chamber of internal combustion engines.

Den Beweis hierfür liefert der Rngstecklauf, bei dem bekanntlich die Zeit gemessen -wird, nach der eine, Brennkra_ftmäschine unter ganz bestimmten Bedingungen einen Leirstungsabfall durch Steckenbleiben -der Kolbenringe verrät. Die Laufzeit der Brennkraftmaschine bei der Ringsteckprobe wird durch das Zusetzen der öbengenannten Mittel zum Schmieröl um 15 0lo und mehr erhöht.Proof of this is provided by the Rngstecklauf, in which, as is well known, the Time is measured, according to the one, Brennkra_ftmaschine under very specific conditions a drop in performance due to the piston rings getting stuck. the period the internal combustion engine in the ring plug-in test is achieved by adding the above-mentioned Medium for lubricating oil increased by 150,000 and more.

Die erforderliche Menge des Zusatzes, ist etwa ein Bruchteil eines Prozentes der Menge des Schmierstoffes. Zu- i5.1 Schmieröl werden beispielsweise 30 9 Oleylnatriumsulfat und 8 ccm Propionsäure, gelöst in 0o ccm .Ben2ol-Äthanol-Gemisch I : i, zugesetzt.The amount of additive required is approximately a fraction of a percent of the amount of lubricant. To i5.1 lubricating oil, for example, 30 9 oleyl sodium sulfate and 8 cc propionic acid, dissolved in 0o cc .ben2ol-ethanol mixture I: i, are added.

Claims (3)

PATENTANSPRÜCHE: i. Verfahren zur Verbesserung von Schmierstoffen, insbesondere der Schmierfähigkeit von Schmierölen in Brenukraftmäschinen, dadurch gekennzeichnet, daß den, Schmierstoffen Stoffe der allgemeinen Formel R- (SX) -A ' oder ihre Gemische zugesetzt werden, wobei: R einem: aliphatischen oder äromatischaliph.atischen Rest bedeutet, der auch über eine organische Oxy- oder Thiosäure mit der folgenden Säure SX, die eine mehrbasische anorganische Säure, beispielsweise eine Sauerstoffsäure des Schwefels darstellt, und entweder übeir eine O- oder- S-Brücke wie auch direkt mit dem Zentralatom der Säure verknüpft sein kann, während A das Kation einer anorgani-"schen oder organischen Base, z. B. Ammonium oder ein Homologes davon, bedeutet. PATENT CLAIMS: i. Process for improving lubricants, in particular the lubricity of lubricating oils in fuel engines, thereby characterized that the, lubricants substances of the general formula R- (SX) -A 'or their mixtures are added, where: R is an: aliphatic or aromatic-aliphatic Rest means which also has an organic oxy- or thio-acid with the following Acid SX, which is a polybasic inorganic acid, for example an oxygen acid of sulfur, and either via an E or S bridge as well as directly can be linked to the central atom of the acid, while A is the cation of an inorganic " or organic base, e.g. B. ammonium or a homologue thereof. 2. Verfahren nach Anspruch i, dadurch gekennzeichnet, daß die Zusätze vorher mit Lösungsvermittlern, beispielsweise Alkohol-Benzol-Gemisch, behandelt werden. 2. Procedure according to claim i, characterized in that the additives beforehand with solubilizers, for example an alcohol-benzene mixture. 3. Verfahren nach Anspruch i und 2, dadurch gekennzeichnet, daß den Schmierstoffen nach der Beimischung der Zusätze Peptisatoren bzw. Stabilisatoren, z. B. niedere organische Säuren odeir ihre Salze, wie Propionsäure, in geringer Menge zugesetzt werden.3. The method according to claim i and 2, characterized in that the lubricants after admixing the Additions of peptizers or stabilizers, e.g. B. lower organic acids or their salts, such as propionic acid, are added in a small amount.
DEB7881D 1943-02-26 1943-02-26 Process for improving lubricants Expired DE880776C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB7881D DE880776C (en) 1943-02-26 1943-02-26 Process for improving lubricants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB7881D DE880776C (en) 1943-02-26 1943-02-26 Process for improving lubricants

Publications (1)

Publication Number Publication Date
DE880776C true DE880776C (en) 1953-06-25

Family

ID=6955609

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB7881D Expired DE880776C (en) 1943-02-26 1943-02-26 Process for improving lubricants

Country Status (1)

Country Link
DE (1) DE880776C (en)

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