DE856681C - Lubricants and pressure transmission media - Google Patents

Lubricants and pressure transmission media

Info

Publication number
DE856681C
DE856681C DEB6677D DEB0006677D DE856681C DE 856681 C DE856681 C DE 856681C DE B6677 D DEB6677 D DE B6677D DE B0006677 D DEB0006677 D DE B0006677D DE 856681 C DE856681 C DE 856681C
Authority
DE
Germany
Prior art keywords
lubricants
acid
transmission media
pressure transmission
ester
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
DEB6677D
Other languages
German (de)
Inventor
Rudolf Dipl-Ing Halder
Hans Dr Krzikalla
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to DEB6677D priority Critical patent/DE856681C/en
Application granted granted Critical
Publication of DE856681C publication Critical patent/DE856681C/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/102—Polyesters
    • 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/042—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds between the nitrogen-containing monomer and an aldehyde or ketone
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/043—Mannich bases
    • 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
    • C10M2221/00—Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2221/02—Macromolecular compounds obtained by reactions of monomers involving only carbon-to-carbon unsaturated bonds
    • 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
    • C10M2221/00—Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2221/04—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2221/043—Polyoxyalkylene ethers with a thioether group
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • 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

Landscapes

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

Description

Schmier- und Druckübertragungsmittel Es wurde gefunden, daß die linearen Polyester aus zweiwertigen Alkoholen und aliphatischen Dicarbonsäuren, deren Kohlenstoffkette durch Heteroatome unterbrochen ist, eine ausgezeichnete Schmierwirkung besitzen und daher in vielen Fällen vorteilhaft an Stelle der üblichen Schmiermittel oder zu deren Verbesserung verwendet werden können.Lubricants and Pressure Transmitters It has been found that the linear Polyesters from dihydric alcohols and aliphatic dicarboxylic acids, their carbon chain is interrupted by heteroatoms, have an excellent lubricating effect and therefore in many cases advantageous in place of the usual lubricants or can be used to improve them.

Die Herstellung der Polyester kann in an sich üblicher Weise durch Erhitzen entsprechender Mengen zweiwertiger Alkohole mit den Dicarbonsäuren, zweckmäßig in Gegenwart eines Katalysators und unter Entfernung des entstehenden Wassers, oder auch durch Umsetzen eines Dicarbonsäurechlorids mit dem zweiwertigen Alkohol. Man kann auf i Mol der Dicarbonsäure o,8 bis 2 Mol des Glykols anwenden. Die aus i Mol Dicarbonsäure und weniger als i,i Mol des Glykols erhaltene Ester sind noch sauer; sie können in Form ihrer Salze verwendet werden, oder man kann die freien Carboxylgruppen ihrerseits mit einwertigen Alkoholen verestern. Die in den Polyestern allenfalls vorhandenen freien Oxygruppen können mit Monocarbonsäuren verestert oder mit Alkoholen veräthert werden.The polyesters can be produced in a conventional manner It is advisable to heat appropriate amounts of dihydric alcohols with the dicarboxylic acids in the presence of a catalyst and with removal of the water formed, or also by reacting a dicarboxylic acid chloride with the dihydric alcohol. Man can apply to i mole of dicarboxylic acid 0.8 to 2 moles of glycol. The one from i Mol Dicarboxylic acid and less than i, i mol of the glycol obtained ester are still acidic; they can be used in the form of their salts, or one can use the free carboxyl groups in turn esterify with monohydric alcohols. The ones in the polyesters at most Any free oxy groups present can be esterified with monocarboxylic acids or with alcohols to be etherified.

Als Ausgangsstoffe kommen z. B. in Betracht Äthylenglykol, 1, 3- und i, 4-Butylenglykol, Pentandiol oder Hexandiol, ferner auch Glykole, in denen die Kohlenstoffkette durch Heteroatome unterbrochen ist, z. B. Diäthylenglykol, Triäthylenglykol, Thiodiglykol oder Diäthanolamin. Von den aliphatischen Dicarbonsäuren der gekennzeichneten Art seien beispielsweise Diglykolsäure, Diäthyl- und Dipropylätherdicarbonsäure, Thiodivaleriansäure, Thiodiglykolsäure, Thiodipropionsäure, Thiodibuttersäure sowie Dithiodibuttersäure und Sulfondibuttersäure genannt.As starting materials come z. B. into consideration ethylene glycol, 1, 3 and i, 4-butylene glycol, pentanediol or hexanediol, and also glycols in which the Carbon chain is interrupted by heteroatoms, e.g. B. diethylene glycol, triethylene glycol, Thiodiglycol or diethanolamine. Of the aliphatic dicarboxylic acids the featured Type are for example diglycolic acid, diethyl and dipropyl ether dicarboxylic acid, Thiodivaleric acid, thiodiglycolic acid, thiodipropionic acid, thiodibutyric acid as well Called dithiodibutyric acid and sulfondibutyric acid.

Je nach der Art der bei der Veresterung verwendeten Ausgangsstoffe sind die Ester Öle von verschieden hoher Viskosität oder mehr oder weniger feste Massen von vaselin- bis talgartiger Konsistenz. Durch geeignete Wahl der Ausgangsstoffe lassen sich die Ester dem jeweiligen Verwendungszweck anpassen. Man kann auch Mischungen verschiedener Polyester verwenden, beispielsweise dann, wenn ein einheitlicher Ester für den gegebenen Verwendungszweck einen zu hohen Stockpunkt hat.Depending on the type of starting materials used in the esterification the ester oils are of different viscosity or more or less solid Masses from vaseline to sebum-like consistency. Through a suitable choice of starting materials the esters can be adapted to the respective purpose. You can also use mixtures Use different polyesters, for example if a single ester has too high a pour point for the given purpose.

Die Polyester können in unvermischter Form oder aber auch zusammen mit anderen, gegebenenfalls schmierend wirkenden Stoffen verwendet werden. So vermögen in manchen Fällen bereits kleine Zusätze der beanspruchten Polyester zu solchen Schmierölen, mit denen sie verträglich sind, deren Eigenschaften weitgehend zu verbessern. Falls viele ätherartig gebundene Sauerstoffatome in den Polyestern vorhanden sind, sind sie in Wasser löslich oder leicht verteilbar. Man kann auch Emulsionen der Polyester in Wasser zum Schmieren, z. B. als Bohröl verwenden. Die Polyester sind besonders zur Schmierung von Maschinenteilen geeignet, die in einer zeitweise übersättigten Wasserdampfatmosphäre laufen. Es findet dann lediglich vorübergehend eine gewisse Schmierölverdünnung statt, und das Wasser entweicht später wieder.The polyesters can be used in unmixed form or together can be used with other substances that may have a lubricating effect. So be able in some cases even small additions of the claimed polyester to such Lubricating oils with which they are compatible, to improve their properties to a large extent. If there are many ethereal oxygen atoms in the polyesters, are they soluble in water or easily spreadable. One can also use emulsions of the Polyester in water for lubrication, e.g. B. use as drilling oil. The polyesters are Particularly suitable for the lubrication of machine parts that are temporarily oversaturated Run in a steam atmosphere. It then only finds a certain temporarily Lube oil dilution takes place, and the water later escapes.

Die folgende Zusammenstellung zeigt eine Reihe von linearen Polyestern, die nach der Erfindung als Schmiermittel verwendet werden können, und ihre schmiertechnischen Eigenschaften, gemessen in der Olprüfmaschine nach Almen-Wieland, im Vergleich zu bekannten Schmiermitteln: Schmiermittel Reibungszahl bei Belastung von '45o kg cm2'I9oo kgicm2l i 8ookg;'cm2 i. Thiodibuttersäure- ester des Diäthylen- glykols .......... 0,049 0,058 0,o62 2. Thiodibuttersäure- ester des Triäthylen- glykols ........... 0,o56 0,o58 I 0,o65 3. Thiodibuttersäure- ester des Dekaäthy- lenglykols ........ o,oi8 0,033 0,041 4. Thiodibuttersäure- ester des Hexaäthy- lenglykols ....... 0,049 0,053 0,054 5. Dipropyläther- dicarbonsäureester des Diäthylen- glykols ........... 0,013 0,033 0,051 6. Dipropyläther- . dicarbonsäureester des Pentaäthylen- glykols ........... 0,036 0,047 0,040 7. Dipropyläther- dicarbonsäureester des Dekaäthylen- glykols ........... 0,071 0,o65 0,o62 B. Mineralöl ... . . . . . o,iii bei 72o kg/ cm 2 trat Fressen ein 9. Mineralöl -f- volto- lisiertes Mineralöl 0,1i3 o,116 bei 135o kg/ i cm 2 trat Fressen ein io. Rizinusöl . . . . . . . . o,oöo o,o7o i 0,o66 The following list shows a number of linear polyesters that can be used as lubricants according to the invention, and their lubricating properties, measured in the Almen-Wieland oil testing machine, compared to known lubricants: Lubricant coefficient of friction at load of '45 o kg cm2'I9oo kgicm2l i 8ookg; 'cm2 i. Thiodibutyric acid diethylene ester glycol .......... 0.049 0.058 0.062 2. Thiodibutyric acid triethylene ester glycols ........... 0, o56 0, o58 I 0, o65 3. Thiodibutyric acid ester of decaethy- lenglycols ........ o, oi8 0.033 0.041 4. Thiodibutyric acid ester of hexaethy- lenglycol ....... 0.049 0.053 0.054 5. Dipropyl ether dicarboxylic acid ester of the diethylene glycols ........... 0.013 0.033 0.051 6. Dipropyl ether. dicarboxylic acid ester of the pentaethylene glycols ........... 0.036 0.047 0.040 7. Dipropyl ether dicarboxylic acid ester of decaethylene glycols ........... 0.071 0, o65 0, o62 B. Mineral oil .... . . . . o, iii at 72o kg / cm 2 stepped Wolf down a 9. Mineral oil -f- volto- lized mineral oil 0.1i3 o.116 135o kg / i cm 2 stepped Wolf down a ok Castor oil. . . . . . . . o, oöo o, o7o i 0, o66

Claims (1)

PATENTANSPRUCH: Verwendung der linearen Polyester aus aliphatischen Dicarbonsäuren, deren Kohlenstoffkette durch Heteroatome unterbrochen ist, und zweiwertigen Alkoholen als Schmier- und Druckübertragungsmittel. PATENT CLAIM: Use of linear polyesters made from aliphatic dicarboxylic acids, the carbon chain of which is interrupted by heteroatoms, and dihydric alcohols as lubricants and pressure transfer agents.
DEB6677D 1942-04-16 1942-04-16 Lubricants and pressure transmission media Expired DE856681C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB6677D DE856681C (en) 1942-04-16 1942-04-16 Lubricants and pressure transmission media

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB6677D DE856681C (en) 1942-04-16 1942-04-16 Lubricants and pressure transmission media

Publications (1)

Publication Number Publication Date
DE856681C true DE856681C (en) 1952-11-24

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ID=6954806

Family Applications (1)

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DEB6677D Expired DE856681C (en) 1942-04-16 1942-04-16 Lubricants and pressure transmission media

Country Status (1)

Country Link
DE (1) DE856681C (en)

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