DE1218645B - Hydraulic fluids - Google Patents

Hydraulic fluids

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Publication number
DE1218645B
DE1218645B DEF31607A DEF0031607A DE1218645B DE 1218645 B DE1218645 B DE 1218645B DE F31607 A DEF31607 A DE F31607A DE F0031607 A DEF0031607 A DE F0031607A DE 1218645 B DE1218645 B DE 1218645B
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DE
Germany
Prior art keywords
groups
parts
solution
hydraulic fluids
cst
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
DEF31607A
Other languages
German (de)
Inventor
Dr Hans-Werner Kauczor
Dr Walther Lohmar
Dr Heinrich Morschel
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 to BE605264D priority Critical patent/BE605264A/xx
Application filed by Bayer AG filed Critical Bayer AG
Priority to DEF31607A priority patent/DE1218645B/en
Priority to FR865697A priority patent/FR1292733A/en
Priority to GB23811/61A priority patent/GB941496A/en
Publication of DE1218645B publication Critical patent/DE1218645B/en
Pending legal-status Critical Current

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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
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
    • C10M2207/046—Hydroxy ethers
    • 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
    • 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
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving 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
    • 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
    • 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
    • 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
    • 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
    • C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three 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
    • 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
    • C10M2209/106—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four 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
    • 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
    • C10M2209/107—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/08—Amides
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/08—Amides
    • C10M2215/082—Amides containing hydroxyl groups; Alkoxylated derivatives
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/28—Amides; Imides
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • 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
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/01—Emulsions, colloids, or micelles

Description

Es sind bereits Hydraulikflüssigkeiten bekannt, die .There are already hydraulic fluids known that.

aus wäßrigen Lösungen von Polyäthern bestehen, Hydraulikflüssigkeitenconsist of aqueous solutions of polyethers, hydraulic fluids

welche als Kettenglieder —(CH^2— O-Gruppen in Kombination mit — CH(CH3) — CH2 — O-Gruppenwhich as chain links - (CH ^ 2 - O groups in combination with - CH (CH 3 ) - CH 2 - O groups

enthalten. Diese Hydraulikflüssigkeiten haben jedoch 5 ' contain. However, these hydraulic fluids have 5 '

den Nachteil, daß ihre Druckfestigkeit in vielen Fällenthe disadvantage that their compressive strength in many cases

nicht den Anforderungen genügt. Anmelder:does not meet the requirements. Applicant:

Wie gefunden wurde, erhält man eine wesentlich Farbenfabriken Bayer Aktiengesellschaft,As was found, one obtains a substantially paint factories Bayer Aktiengesellschaft,

höhere Druckfestigkeit, wenn man wäßrige Lösungen Leverkusenhigher compressive strength when using aqueous solutions Leverkusen

von Polyäthern, welche als Kettenglieder - (CH2)4 - O- ι οof polyethers, which as chain links - (CH 2 ) 4 - O- ι ο

Gruppen sowie — (CH2)2 — O-Gruppen und gegebe- ~ -Groups as well as - (CH 2 ) 2 - O groups and given- ~ -

nenfalls weitere Alkylen — O-Gruppen enthalten, als Als Erfinder benannt:possibly contain further alkylene - O groups, named as inventor:

Hydraulikflüssigkeiten verwendet. Dr. Hans-Werner Kauczor, Köhi-Stammheim;Hydraulic fluids used. Dr. Hans-Werner Kauczor, Köhi-Stammheim;

Geeignete Polyäther sind z. B. durch Polymerisation jyT \yaither LohmarSuitable polyethers are e.g. B. by polymerization jy T \ y a ither Lohmar

von Gemischen aus Tetrahydrofuran und Äthylenoxid, 15 ,. IT. ., ., ,Ίτ ,
die gegebenenfalls noch weitere Alkylenoxide, wie Dr. Heumch Morschel, Leverkusenof mixtures of tetrahydrofuran and ethylene oxide, 15,. IT . .,.,, Ί τ ,
which may contain other alkylene oxides, such as Dr. Heumch Morschel, Leverkusen

Propylenoxid oder Butylenoxid, enthalten können,Propylene oxide or butylene oxide,

gemäß dem Verfahren der französischen Patentschrift 2according to the procedure of French patent 2

898 269 zugänglich. ύ 898 269 accessible. ύ

Die Eigenschaften dieser Hydraulikflüssigkeiten 20 wurden, der durch Mischpolymerisation von 29 Teilen können noch verbessert werden, wenn man ihnen Tetrahydrofuran und 71 Teilen Äthylenoxid gemäß hydrophile organische Verbindungen zusetzt, beispiels- Beispiel 5 der französischen Patentschrift 898 269 weise Formamid oder Dimethylformamid, Glykole- hergestellt war und eine Viskosität von 7480 cSt bei von der Art des Äthylenglykols, Diäthylenglykols und 20° C besaß.The properties of these hydraulic fluids 20 were obtained by copolymerizing 29 parts can still be improved if you give them tetrahydrofuran and 71 parts of ethylene oxide according to Adding hydrophilic organic compounds, for example Example 5 of French patent 898 269 wise formamide or dimethylformamide, glycol was produced and a viscosity of 7480 cSt of the type of ethylene glycol, diethylene glycol and 20 ° C possessed.

Propylenglykols, Glykolester von der Art des Tri- 25 Die Lösung hat folgende technische Kennzahlen: äthylenglykolmonoacetats und Glykoläther von der
Art des Äthylenglykolbutyläthers bzw. deren Ge- viskosität
mische. 20°C 39,6cSt = 5,3EPropylene glycol, glycol ester of the type of tri- 25 The solution has the following technical parameters: ethylene glycol monoacetate and glycol ether of the
Type of ethylene glycol butyl ether or its viscosity
mix. 20 ° C 39.6cSt = 5.3E

Die Hydraulikflüssigkeiten der vorliegenden Erfin- 50°C 15,1 cSt = 2,3 EThe hydraulic fluids of the present invention 50 ° C 15.1 cSt = 2.3 E

dung zeigen ferner ein günstiges Viskositäts-Tempera- 30 Kristallisationspunkt 00CFurthermore, they show a favorable viscosity temperature, crystallization point 0 ° C

tur-Verhalten; sie besitzen gute Schmiereigenschaftentur behavior; they have good lubricating properties

im Bereich der hydrodynamischen Schmierung und Druckfestigkeit, gemessen nach
im Gebiet der Grenzreibung. In Mischung mit hydro- Almen — Wielandin the area of hydrodynamic lubrication and compressive strength, measured according to
in the area of boundary friction. In combination with hydro-Almen - Wieland

philen organischen Verbindungen besitzen sie einen größer als 2000 kgThey have a weight of more than 2000 kg with phile organic compounds

tiefen Stockpunkt, so daß sie auch bei sehr niedrigen 35low pour point, so that they can also be used at a very low 35

Temperaturen verwendet werden können. Außerdem Beispiel 2Temperatures can be used. Also example 2

neigen sie nicht zur Schaumbildung. Andere Zusatzstoffe, die für wasserhaltige Hydraulikflüssigkeiten Man verwendet als Hydraulikflüssigkeit eine wäßrige üblich sind, z. B. Korrosionsschutzmittel, können bei- Lösung, die dadurch bereitet war, daß in 40 Teilen gemischt werden. 40 Wasser von 20° C 25 Teile des im Beispiel 1 ange-they do not tend to foam. Other additives for hydraulic fluids containing water An aqueous fluid is used as the hydraulic fluid are common, e.g. B. Anticorrosive agents can be used in solution that was prepared in that in 40 parts be mixed. 40 water at 20 ° C 25 parts of the example 1

Die erfindungsgemäßen Hydraulikflüssigkeiten er- führten Polyäthers und 35 Teile Äthylenglykol aufgefüllen auch die Bedingungen, die beim Verdampfungs- löst wurden.The hydraulic fluids according to the invention were made up of polyethers and 35 parts of ethylene glycol also the conditions that were resolved during evaporation.

test hinsichtlich der Flüchtigkeit und hinsichtlich der Die Lösung hatte folgende technische Kennzahlen:test in terms of volatility and in terms of the The solution had the following technical indicators:

Beschaffenheit des verbleibenden Anteils gestellt
werden. 45 Vlsk°sltat Quality of the remaining portion
will. 45 Vlsk ° sltat

Die in den folgenden Beispielen angegebenen Teile 2O0C 60 cSt = 7,9 EThe parts indicated in the following examples 2O 0 C 60 cSt = 7.9 E

sind Gewichtsteile. 50°C 20 cSt = 2,9 Eare parts by weight. 50 ° C 20 cSt = 2.9 E

Beispiel 1 Kristallisationspunkt —42° CExample 1 Crystallization point -42 ° C

Man verwendet als Hydraulikflüssigkeit eine wäßrige 50 Druckfestigkeit, gemessen nach
Lösung, die dadurch bereitet war, daß in 70Teilen Almen — WielandThe hydraulic fluid used is an aqueous compressive strength, measured according to
Solution that was prepared by the fact that in 70 parts of Almen - Wieland

Wasser von 20°C 30 Teile eines Polyäthers aufgelöst größer als 2000 kgWater at 20 ° C 30 parts of a polyether dissolved greater than 2000 kg

1010

Beispiel 3Example 3

Man verwendet als Hydraulikflüssigkeit eine wäßrige Lösung, die dadurch bereitet war, daß in 40 Teilen Wasser von 200C 25 Teile des im Beispiel 1 angeführten Polyäthers und 35 Teile Diäthylenglykolmonoäthyläther aufgelöst wurden.As the hydraulic fluid is used, an aqueous solution, which was prepared in that 25 parts of the cited in Example 1 and 35 parts of diethylene glycol monoethyl ether polyether was dissolved in 40 parts of water at 20 0 C.

Die Lösung hat folgende technische Kennzahlen:The solution has the following technical indicators:

Viskositätviscosity

2O0C 67 cSt = 8,8 E2O 0 C 67 cSt = 8.8 E

500C 2IcSt = 3,0E50 0 C 2IcSt = 3.0E

Kristallisationspunkt —35 0CCrystallization point -35 0 C

Druckfestigkeit, gemessen nachCompressive strength, measured according to

Almen — WielandAlmen - Wieland

größer als 2000 kg
Beispiel 4greater than 2000 kg
Example 4

Man verwendet als Hydraulikflüssigkeit eine wäßrige ao Lösung, die dadurch bereitet war, daß in 40 Teilen Wasser von 200C 35 Teile Äthylenglykol und 25 Teile eines Polyäthers aufgelöst wurden, der durch Mischpolymerisation von 25 Teilen Tetrahydrofuran, 69 Teilen Äthylenoxid und 6 Teilen Propylenoxid gemäß dem in der französischen Patentschrift 898 269 beschriebenen Verfahren hergestellt war und eine Viskosität von 3990 cSt bei 2O0C besaß.As the hydraulic fluid is used, an aqueous ao solution which had been prepared in that a polyether were dissolved in 40 parts of water at 20 0 C, 35 parts of ethylene glycol and 25 parts by copolymerizing 25 parts of tetrahydrofuran, 69 parts of ethylene oxide and 6 parts of propylene oxide in accordance with was prepared the procedure described 898,269 in the French patent and had a viscosity of 3990 cSt at 2O 0 C.

Die Lösung hat folgende technische Kennzahlen:The solution has the following technical indicators:

Viskositätviscosity

200C 47cSt20 0 C 47cSt

50°C... lOcSt50 ° C ... loct

Kristallisationspunkt —42° CCrystallization point -42 ° C

Druckfestigkeit, gemessen nach
Almen —Wieland ... 450kgCompressive strength, measured according to
Almen —Wieland ... 450kg

Zum Vergleich sind nachstehend die technischen Kennzahlen und die nach Almen — Wieland bestimmten Druckfestigkeiten von wäßrigen Lösungen wiedergegeben, die an Stelle der Polyäther der Beispiele 1 bis 4 einen Polyäther enthielten, der als Kettenglieder — (CH2) — O-Gruppen in Kombination mit —CH(CH3) — CH2 — O— besaß. Diese drei wäßrigen Lösungen hatten somit folgende Zusammen-Setzung: For comparison, the technical characteristics and the compressive strengths, determined according to Almen - Wieland, of aqueous solutions are shown below which, instead of the polyethers of Examples 1 to 4, contained a polyether which, as chain links - (CH 2 ) - O groups in combination with - CH (CH 3 ) - CH 2 - O- possessed. These three aqueous solutions thus had the following composition:

Lösung a)Solution a)

30 % Polyäther, der als Kettenglieder — (CH2)—O-Gruppen in Kombination mit30% polyether, which is used as chain links - (CH 2 ) - O groups in combination with

—CH(CH3)-CH2 — O-Gruppen
besaß,—CH (CH 3 ) -CH 2 - O groups
owned

70% Wasser.70% water.

Lösung b) 25% Polyäther, der als Kettenglieder — (CH2)-O-Gruppen in Kombination mitSolution b) 25% polyether as chain links - (CH 2 ) -O groups in combination with

— CH(CH3) — CH2 — O-Gruppen besaß,- possessed CH (CH 3 ) - CH 2 - O groups,

35% Äthylenglykol,
40% Wasser.35% ethylene glycol,
40% water.

Lösung c)Solution c)

25 % Polyäther, der als Kettenglieder —(CH2)-O-Gruppen in Kombination mit25% polyether as chain links - (CH 2 ) -O groups in combination with

— CH(CH3) — CH2 — O-Gruppen besaß,- possessed CH (CH 3 ) - CH 2 - O groups,

35 % Diäthylenglykolmonoäthyläther, 40% Wasser.35% diethylene glycol monoethyl ether, 40% water.

Technische KennzahlenTechnical key figures

Lösung solution

Viskositätviscosity

2O0C2O 0 C

35,0cSt/4,7E
53,5 cSt/7,1 E
59,0 cSt/7,8 E35.0cSt / 4.7E
53.5 cSt / 7.1 U
59.0 cSt / 7.8 U

5O0C50 0 C

12,7 cSt/2,1 E12.7 cSt / 2.1 U

8,8 cSt/1,7 E8.8 cSt / 1.7 U

18,9 cSt/2,7 E18.9 cSt / 2.7 E

Kristallisationspunkt Crystallization point

0°C0 ° C

-57°C -43°C-57 ° C -43 ° C

35 Druckfestigkeit35 Compressive Strength

Lösung a) 200 kgSolution a) 200 kg

Lösung b) 200 kgSolution b) 200 kg

Lösung c) 150 kgSolution c) 150 kg

Claims (1)

Patentanspruch:Claim: Verwendung wäßriger Lösungen von Polyäthern, welche als Kettenglieder — (CHu)4 — O-Gruppen sowie —(CHa)2 — O-Gruppen und gegebenenfalls weitere Alkylen — O-Gruppen enthalten, als Hydraulikflüssigkeiten.The use of aqueous solutions of polyethers which contain - (CHu) 4 - O groups and - (CHa) 2 - O groups and optionally further alkylene - O groups as chain links, as hydraulic fluids. In Betracht gezogene Druckschriften:Considered publications: Deutsche Patentschriften Nr. 843 282, 850 053, 045;German Patent Nos. 843 282, 850 053, 045; Deutsche Auslegeschriften Nr. 1 006 997,1 071 872; französische Patentschriften Nr.l 065 376, 1074 020, 052, 1040 993, 1094008, 990 449, 976 467, 757;German Auslegeschriften No. 1 006 997, 071 872; French patents nos. 1 065 376, 1074 020, 052, 1040 993, 1094008, 990 449, 976 467, 757; USA.-Patentschrift Nr. 2 492 955; britische Patentschriften Nr. 716 354, 721526, 088;U.S. Patent No. 2,492,955; British Patent Nos. 716 354, 721526, 088; SAE Journal (Transactions), Vol.54, Nr. 5 (Mai 1946), S. 237.SAE Journal (Transactions), Vol. 54, No. 5 (May 1946), p. 237. 609 578/495 5.66 © Bundesdruckerei Berlin609 578/495 5.66 © Bundesdruckerei Berlin
DEF31607A 1960-07-07 1960-07-07 Hydraulic fluids Pending DE1218645B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE605264D BE605264A (en) 1960-07-07
DEF31607A DE1218645B (en) 1960-07-07 1960-07-07 Hydraulic fluids
FR865697A FR1292733A (en) 1960-07-07 1961-06-22 Hydraulic fluids
GB23811/61A GB941496A (en) 1960-07-07 1961-06-30 Hydraulic fluids

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DE2600879A1 (en) * 1975-01-13 1976-07-15 Maruzen Oil Co Ltd HYDRAULIC LIQUID FOR CENTRAL VEHICLE HYDRAULIC SYSTEMS
EP0391251A1 (en) * 1989-04-07 1990-10-10 Henkel Kommanditgesellschaft auf Aktien Use of selected ethers of monofunctional alcohols in drilling fluids

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US4481123A (en) * 1981-05-06 1984-11-06 Bayer Aktiengesellschaft Polyethers, their preparation and their use as lubricants
CN104004181B (en) * 2014-05-23 2016-02-17 中国海洋石油总公司 A kind of poly-flooding produced liquid process emulsion splitter and preparation method thereof

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US2492955A (en) * 1946-08-31 1950-01-03 Shell Dev Polyoxyalkylene compounds
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Publication number Priority date Publication date Assignee Title
DE2600879A1 (en) * 1975-01-13 1976-07-15 Maruzen Oil Co Ltd HYDRAULIC LIQUID FOR CENTRAL VEHICLE HYDRAULIC SYSTEMS
EP0391251A1 (en) * 1989-04-07 1990-10-10 Henkel Kommanditgesellschaft auf Aktien Use of selected ethers of monofunctional alcohols in drilling fluids
WO1990012069A1 (en) * 1989-04-07 1990-10-18 Henkel Kommanditgesellschaft Auf Aktien Use of selected ethers of monohydric alcohols in drilling-oil muds
TR24953A (en) * 1989-04-07 1992-09-01 Henkel Kgaa USING THE SECKIN ETERS OF MONOFUNCTIONAL ALCOHOLS IN DRILLING FLUIDS

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GB941496A (en) 1963-11-13

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