DE1444898A1 - Hydraulische Fluessigkeit und Schmiermittel auf Basis einer Wasserin-OEl-Emulsion - Google Patents

Hydraulische Fluessigkeit und Schmiermittel auf Basis einer Wasserin-OEl-Emulsion

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Publication number
DE1444898A1
DE1444898A1 DE19621444898 DE1444898A DE1444898A1 DE 1444898 A1 DE1444898 A1 DE 1444898A1 DE 19621444898 DE19621444898 DE 19621444898 DE 1444898 A DE1444898 A DE 1444898A DE 1444898 A1 DE1444898 A1 DE 1444898A1
Authority
DE
Germany
Prior art keywords
hydraulic fluid
dithiocarbamate
lubricant according
oil
sodium
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
DE19621444898
Other languages
English (en)
Inventor
Francis Charles Edwin
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 US810563A external-priority patent/US3050465A/en
Priority claimed from US145766A external-priority patent/US3192159A/en
Application filed by Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of DE1444898A1 publication Critical patent/DE1444898A1/de
Pending legal-status Critical Current

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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/50—Medical uses
    • 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
    • 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
    • C10N2070/00—Specific manufacturing methods for lubricant compositions
    • C10N2070/02—Concentrating of additives

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Description

SCHWKIQEiRSTnASSK 2
DR. ING. F. WUESTHOFF „„,„„ 22 οβ al
DIPL. ING. G. PULS »kmbk*hkaDressb-.
DR. E. V. PECHMANN pbotkctpatbnt kCkcbm PATBNTANWiLTE
11-24 632
144A8S8
B e s c hreibung « ■
zn der Patentaameldung
j i .=r. r.xpiL
SHELL INTEHHATIOHAIE RESEAEOH MAATSOHAPPIJ Έ. V., 30, Oarel van Bylandtlaan, Haag / Niederlande
betreffend
"Hydraulische Flüssigkeit und Schmiermittel autf Basis einer Wasser-in-Öl-Emulsion"
(Zusatz zu DBP 1 122 656)
Die Erfindung betrifft eine verbesserte hydraulische flüssigkeit und Schmiermittel nach dem deutschen Patent 1 122 656, die sich besonders als hydraulische flüssigkeit und Schmiermittel in Kohlenbergwerken eignet, da sie feuer- und abnutzungsbeständig, stabil und nicht korrosiv ist. In dem Hauptpatent wird eine emulgierbare Mineralölzubereitung mit 55 bis 80$ ölphase beschrieben, die ein Schmieröl mit einem Viskositätsindex^on mindestens 80 enthält, welche 1 bis 4 Grew.-# eines Monoesters einer Fettsäure mit mindestens 8 Kohlenstoffatomen und einem Alkitan sowie 0,5 bis 3 Grew.-# eines Alkyl-phenoxy-polyoxy-alkylenalkanols der Formel
809 8 09/1053
- 2 - 1A-24- 632
U44888
R-phenyl-(OE·)n-0R"-OH
enthält, v/o bei η eine ganze Zahl von 2 Ms 6, R eine Alkylgruppe mit 4 bis 20 Kohlenstoffatomen, R! und R" Alkylengruppen bedeuten.
Es wurde nun gefunden, daß die hydraulische Flüssigkeit und das Schmieröl des Hauptpatents mit den zwei ungleichartigen, nichtionogenen, oberflächenaktiven Substanzen weiter verbessert werden können hinsichtlich der Stabilität ihrer Wasser-in-Öl-Emulsion, wie man sie erhält, wenn.man das ^!konzentrat emulgiert, und zwar auf die Weise, daß man in die Ölzubereitung eine ganz bestimmte Menge eines Dithiocarbamate oder eine Mischung eines Dithiocarbamate mit einem Benzothiazol zusetzt. Die erfindungsgemäße Ölzubereitung kann man leicht an Ort und Stelle emulgieren und erhält eine feuerbeständige, hydraulische Flüssigkeit guter Schmier eigenschaften., Sie ist stabil, nicht toxisch, widersteht der Zerstörung, verhindert Korrosion und führt zu keinem Verschleiß.
Die erfindungsgemäße, emulgierbare Mineralölzubereitung enthält außer den Substanzen des Hauptpatents 1 122 656 noch 0,01 bis 1 Gew=-# eines Alkalimetalldithiocarbamate oder eine Mischung eines Alkalimetall— dithiocarbamats mit einem Alkalimetall-merkaptobenzothiazol, wobei das Dithiooarbamat die Formel
R2-N-G-SM
OHSQSNAL INSPECTED 8 0 9809/1053
- 3 - 1A-24 632
U448S8
"besitzt, worin M das Alkalimetall, E.. eine Kohlenwasserstoff gruppe und E2 ein Wasserstoff atom oder eine Kohlenwasserstoffgruppe, gleich oder verschieden von R^, bedeutet.
Das emuigierbare Ölkonzentrat besteht daher aus einem Schmieröl mit drei wesentlichen Zusätzen. Jeder dieser Zusätze muß in einer firitischen Menge vorliegen, und zwar 1) der Monoester vorzugsweise 1,5 bis 3$, 2) das Phenoxy-polyoxy-alkylen-alkanol vorzugsweise 1 bis 2$ und der dritte Zusatz 0,01 bis 1$. Die Prozgntangaben sind Gewichtsprozent.
Das Mineralöl des ölkonzentrats soll einen Viskositätsinfex von mindestens 80, vorzugsweise 90 bis 100, besitzen. Die Ölfraktion soll auch innerhalb des Schmierölbereichs liegen und eine Viskosität bei 37,80C zwischen 75 und 250 SUS (Saybolt Universal Seconds) , vorzugsweise zwisrchen 100 und 150 SUS haben, sowie einen Aromatengehalt zwischen 10 und 3O& besitzen.
Ein Beispiel für die Mineralölbasis ist ein Schmieröl hohen Yiskositätsindexes, das mit Lösungsmitteln hoch raffiniert ist und folgende Eigenschaften besitzt:
spez. Gewicht» 0,8654
Farbe, ASTM 1
Fließpunkt -150C
Flammpunkt, COC (Cleveland 0
open cup) 188 C
8038Ü9/I053
- 4 -■ U-24 652 ·
Brennpunkt 2240O
Viskosität bei 37,80C (Saybolt 103 see. Universal)
Viskositätsindex 93 Neutralisationszahl 0,01
Zusammensetzung in G-ewo-$
n-Alkane 21,8 Isοalkane 11,8
nicht kondensierte Oycloalkane 24,9
kondensierte Cycloalkane 12,4
Summe der gesättigten Kohlenwasserstoffe 70,9
Monoaromaten 13,6 Diaromaten 5,8
Triaromaten 4,0
Tetraaromaten ' 1,6
Pent aar omat en 0,2
Hexaaromaten -
Schwefelverbindungen 3,9
100,0 Schwefelanalyse
Benzothiophene 1,7
Triaromatische Thiophene 0,5 "
Tetraaromatische Thiophene 0,4 " Pentaaromatisehe Thiophene andere Schwefelverbindungen 1,3 "
5,9
809809/1053
- 5 - 1A-24- 632
1444838
Von dem nicht ionogenen, oberflächenaktiven Mittel in Form des Monoesters wird der innere Ä*ther-Alkohol hergestellt durch teilweise Entwässerung von mehrwertigen Alkoholen, was zu der Umwandlung des mehrwertigen Alkohols zu mehrwertigen inneren Äthern führt, die 1 oder 2 Äther- und 2 bis 6 Hydroxylgruppen im Molekül enthalten. Solche Substanzen sind beispielsweise Sorbitan, Mannitan, Xylitan und Dulcitan. Die für die Herstellung der Monoester dieser inneren Äther-PoIyaikohoIe verwendeten Fettsäuren sind gesättigte und ungesättigte Fettsäuren mit mindestens 8, vorzugsweise 12 bis 18 Kohlenstoffatomen, wie Laurin-, Stearin-, Öl-, leinöl-, Rizinolsäuren u.a. Die Monoester dieser Art sind unter anderem Sorbitanmonolaurat, -monostearat, -monooleat, -monorizinoleat, Mannitanmonolaurat, -monooleat und deren Mischungen.
Der zweite wesentliche Zusatz ist ein öllösliches Alkylphenoxypolyoxy-alkylen-alkanol der Formel
R-phenyl-(OR· )a-OR"-OH
worin η eine ganze Zahl von 2 bis 6, vorzugsweise 3 oder 4 ist, H eine Alkylgruppe mit 4· bis 20, vorzugsweise 4· bis 12 Kohlenstoffatomen bedeutet und R1 und R" gleiche oder verschiedene Alkylengruppen sind, wie Äthylen- oder Propylengruppen. Es wird vorgezogen, daß R1 und R" gleich, und zwar vorzugsweise Ithylengruppen, sind. Die Verbindungen dieser Art sind C ,-12~
809809/1053 BAD
- β - 1Α-24 632
wie z.B. Tsobutyl-phenoxy-tetraäthylenoxy-äthanol, Diisobutyl-phenoxy-tetraäthylenoxy-äthanol, Uonylphenoxytetraäthylenoxy-äthanol, Octylphenoxy-hexaäthylenoxyäthanol, Diisobutyl-phenoxy-tripropylenoxy-propanol und deren Mischungen.
Die erfindungsgemäßen Zusätze der Formel
R2 S
R2 - ir - σ - SM
enthalten als Alkalimetall M vorzugsweise natrium oder Kalium und die Kohlenwasserstoff gruppe R.. ist eine Alkyl-, Aralkyl-, Alkaryl- oder Oycloalkylgruppe, R2 kann ein Wasserstoffatom oder eine Kohlenwasserstoffgruppe gleich oder verschieden von R1 sein.
Es ist wünschenswert, daß beide Substituenten R Alkylgruppen mit 1 bis 16 Kohlenstoffatomen sind, welche hinsichtlich ihrer Kettenlänge oder Struktur gleich oder verschieden sein können. Es wird vorgezogen, daß die R1-Substituenten G-. - C12 Alkylgruppen gleicher Kettenlänge, jedoch unterschiedlicher Struktur sind. Beispiele für die Ihiocarbamatsalze sind Natrium- und/oder Kaliumdimethyl-, -dibutyl-, -diamyl-, -dihexyl-, -diisobutyl-, —dioctyl-, -dicyclohexyl-, -dicresyl^-di thiocarbamate, wobei die Natriumdimethyl-, -dibutyl-, -diisobutyl- und Natriumdiamyldithiq-carbamate bevorzugt werden.
Wird der dritte Zusatz, wie oben aufgeführt, als
Mischung angewandt, so können die Anteile dieser Mischung
809809/1053
- 7 - ' U-24 632
zwischen 10 bis 90$, vorzugsweise 25 bis 75 G-ewe-#, Alkalimet all dithio ο ar bamat und 90 bis 10, vorzugsweise 75 bis 25 Gew.-#, Alkalimetallmerkaptobenzothiazol " schwanken. Bevorzugt werden Natrium- oder Kaliummerkaptobenzothiazole.
Bevorzugte Mischungen als dritter Zusatz sind 90 bis 10?έ Mischungen von Natriummethyl-dithiocarbamat + Hatriummerkaptobenzothiazol, Natriumdibutyl—dithiocarbamat + Natriummerkaptolienzo thiazol, Natriumdiaryldithiocarbamat + Natriummerkaptobenzothiazol, Katriumdiisobutyl-dithiocarbamat + Natriummerkaptobenzothiazol, Kaliumdibutyl-dithiocarbamat + Kai iummerkaptobenzo thiazol und Kaliumdiamyl-dithiocarbamat + Kaliummerkaptobenzothiazol.
Außer den drei wesentlichen Zusätzen kann noch die Stabilität und Emulgierbarkeit durch Zusatz geringer Mengen, d.h. 0,01 bis 0,5 Gew«>-#, jeder Substanz in Form eines Dithio car bamat s von einem mehrwertigen Metall und Alkylglykol bzw. deren A"therderivate zugesetzt werden.
Als Dithiocarbamate mehrwertiger Metalle sind u.a. die Zink-, Kadmium- oder Bleisalze von N-mono- oder disubstituierten Hydrocarbyl-dithiocarbaminsäure wie Zink-, Kadmium- oder Bleimono- und -dipropyl-dithiocarbamat, -mono— und -dibutyl—dithiocarbamat, -mono- und -diamyl— dithiocarbamat, -mono- und -dihexyl-dithiocarbamat,
809809/1053
- ö - 1A-24
-mono- und -dioctyl-dithiocarbamat, -mono- und -di-2-äthylhexyl-dithiocarbamat, -mono- und -diisobutyl— dithio-carbamat, -mono- und -diisoamyl-dithiocarbamat, -li-amyl-I-methyl-dithiocarbamat, -N-methyl-N-octyldithiocarbamat, -N-octyl-lT-butyl-dithiocarbamat, -ΕΓ-η-amyl-IT-2-methylbutyl-dithiocarbamat, -N-n-amyl-li-3-methylbutyl-dithiocarbamat, -N-octyl-lT-2-ätliylhexyldithiocarbamat, -N-äthyl-N-phenyl-dithiocarbamat, -mono- und «-dicyclohexyl-dithiocarbamat, -mono- und diphenyldithiocarbamat u.a. geeignete
Als Äthyl englykole und deren A'the r der irate lassen sich u.a. Äthylenglylcol, Diäthylenglykol, Triäthylenglykol, Tetraäthylenglykol, Propylenglykol, Dipropylenglykol, Hexylenglykol und deren Mischungen verwenden.
Außer obigen wesentlichen Zusätzen wird vorgezogen, den Zubereitungen noch geringe Mengen von ca« 0,01 bis 2Ji, vorzugsweise ca. 0,2 bis 1 Gew.-^ eines öllöslichen Antioxydationsmittels zuzusetzen. Antioxydationsmittel umfassen phenolische und aromatische Aminverbindungen«, Als phenolische Verbindungen seien genannt Alkylphenole, wie Di- und Tr!alkylphenole, z.B. 2,4-, 2,3-, 3,4-, 2,6- und 3,5-Diamylphenol, 2,4-Dimethyl-6-tert.butylphenol, 2,6-Ditert.butyl-4-Hneth.ylphenol, aber auch Bisphenole wie 4,4l-Methylen-bis(2,6-ditertobutylp-henol). Als Amine sind die Arylamine wie Phenyl-pC -naphthylamin oder Phenyl-ß-naphthylamin zu nennen.
809809/1053
U44898
Im folgenden werden Beispiele für die Mineralölbasis •gegeben, die sich in den erfindungsgemäßen hydraulischen Flüssigkeiten anwenden lassen und unter Bildung einer stabilen, feuerbeständigen, hydraulischen Flüssigkeit mit ca. 20 bis 4596, vorzugsweise 30 bis 40$ Wasser emulgierbar sind:
Zubereitung A
Sorbitan-monooleat 2 Gew.-#
Diisobutylphenoxy-(äthoxy),-
äthanol 4 1 "
Natriumdimethyl-dithiocarbamat +Natrium-merkaptobenzothiazol
90/10 0,5 "
mineralisches Schmieröl (VI 93» Viskosität bei 380C 103 see.
Saybolt Universal) Rest
Zubereitung B
Sorbitan-monooleat 2 Gew.-^
Diisobutylphenoxy-(äthoxy) A-
äthanol 4 1 «
Natriumdibutyl-dithiocarbamat +Hatriummerkaptobenzothiazol 1/1 0,5 "
Schmieröl (wie A) Rest
Zubereitung 0
Sorbitan-monooleat 2 Gew.-^
Diisobutylphenoxy-(äthoxy).-
äthanol ^ 1 "
Hatriumdiamyl-dithiocarbamat + Hatritimmerkaptobenzothiazol 1/1 0,5 "
Schmieröl (wie A) Rest
809809/ 1053
U44898
Zubereitung D
Sorbitan-monooleat 2 G-ewo-#
Diisobutylphenoxy- (äthoxy) .-
äthanol 4 1 «'
Natriumdimethyl-dithiocarbamat 0,01 "
2,6-Ditert0butyl-4-methyl-phenol 0,2 »
Phenyl- oL -naphthylamin 0,1 "
Schmieröl (wie A) Rest
Zubereitung E
Mannitan-monooleat 2
Diiaobutyl-phenoxy-(äthoxy) (■-
äthanol b 1 "
Natriumdimethyl-dithiocarbamat + Natriuinmerkaptobenzothiazol 90/10 0,5 " 2,6-Ditert.butyl-4-methyl-phenol 0,2 " Phenyl-oC-naphthylamin 0,1 "
Schmieröl (wie A) Rest
Zubereitung P
Mannitan-monooleat 2 Gew.-
Efonylphenoxy-(äthoxy) --äthanol 1 " Natriumdimethyl-dithiocarbamat + Katriummerkaptobenzothiazol 90/10 0,5 " 4,4l-Methylen-bis(2,6-ditert,-butylphenol) 0,2 '·
Phenyl-oC-naphthylamin 0,1 " Schmieröl (wie A) Rest
Zubereitung &
Sorbitan-monooleat 2 Gew.-i
Diisobutylphenoxy-(äthoxy).-
äthanol 4 1 «
809809/1053
Natriumdimethyl-dithiocarbamat + Natrium-merkaptobenzothiazol 1/1 0,5 G-ew.-#
2,6-Ditert.butyl-4-methylphenol 0,2 "
Phenyl-oc-napthylamin 0,1 "
Kadmium-diamyl-dithiocarbamat 0,025 "
Schmieröl (wie A) Rest
Zubereitung H
Sorbitan-monooleat 2 Gew»-Ji
Diisobutylphenoxy-(äthoxy)g-äthanol 1 "
Natriumdimethyl-dithiocarbamat 0,01 "
2,6-Ditertobutyl-4-methylphenol 0,2 "
Phenyl- ok^naphthylamin 0,1 "
Zink-diamyl-dithiocarbamat 0,025 "
Äthylenglykol 0,2 "
Schmieröl (wie A) Rest
Die fertige Emulsion wird hergestellt, indem der ölzubereitung, wie den Zubereitungen A bis H, 20 bis 45#, bezogen auf die Gesamtmasse, einer wässrigen Phase langsam zugeführt wird. Als wässrige Phase kann man Wasser verwenden, das gegebenenfalls 0,1 bis 1$ eines Korrosions— oder Abriebinhibitors enthält, wie wasserlösliche anorganische Nitrite, Nitrate, Chromate, Phosphate oder wasserlösliche niedermolekulare Salze wie Alkalimetall- oder Erdalkalimetallacetate oder -propionate, vorzugsweise von Natrium,
/m
Kaliu, Calcium und Barium. Die Wasser-in-Öl-Emulsion kann man auf jede geeignete Weise mischen, wie z.B. durch luftriihren, Rühren mit einem Rührer oder indem das ganze durch
809809/1053
eine Kolloidmühle strömt, "bis eine homogene, stabile Wasser-in-Öl-Emulsion sich gebildet hat. Aus wirtschaftlichen G-esichtspunkten wird das Wasser dem Öl in den entsprechenden Mengen zu dem Zeitpunkt zugesetzt, wo die Emulsion verwendet werden soll. Es ist jedoch auch möglich, eine stabile Wasser-in-Öl-Emulsion herzustellen und eine gewisse Zeit zu lagern.
Eine fertige Wasser-in-Öl-Emulsion (I) wurde hergestellt, indem man 60$ der Zubereitung D mit 40$ Wasser vermischte und das ganze durch eine Kolloidmühle bis zur Bildung einer homogenen Wasser-in^Öl-Emulsion leitet.
Beispiele anderer fertiger Emulsionen sind! Emulsion Ui Wasser 30$ + Zubereitung A 70$, Emulsion Uli Wasser^ mit 0,1$ Calciumacetat 40$
+ Zubereitung G- 60$,
Emulsion IYj Wasser mit 0,1$ NaM"0? 35$ +
Zubereitung C 65$,
Emulsion T: Wasser 40$ + Zubereitung H 60$.
Die überragendsten Stabilitätseigenschaften dieser Zubereitungen werden von den Emulsionen I und V gezeigt im Vergleich mit Emulsion W+, welche kein Metallcarbamat enthält. Die Stabilität wurde gemessen, indem man die Menge an abgeschiedenem Wasser und Öl bei 37»8°C aus einer Probe von 100 ecm bestimmte.
809809/1053
Öl Tabelle I Y Öl W
Emulsion I Öl Wasser Wasser
Stabilität
bei 37,8°C		 Wasser
Ausscheidung 1 1
Vol.-$ nach 1 schwach Spuren 15 schwach
1 Tag 5 <1 2 <1 37 s chwach
10 Tage 9 1 6 O 45 schwach
20 Tage 13 1 8 <1 - 2
25 Tage 22 1 12 <1 — -
30 Tage 1 24 <1 —
40 Tage 2
Emulsion W+J Wasser-in-Öl-Emulsion mit 40$ Wasser +
Mineralölzubereitung, enthaltend 2$ Sorbitanmonooleat,
156 Diisobutylphenoxy(äthoxy) .-äthanol, 0,2$ 2,6-Ditert,-butyl-4-methylphenol und 0,1 $ Phenyl- el-nap-hthylamin.
Bei der Prüfung in einer Vickerfs Hydraulischälpumpe ähnlich dem Prüfverfahren, welches in "Lubrication
Engineering" 1949, Februar, S. 16 - 17 beschrieben ist, wurde ein vernachlässigbarer Abrieb nach einer Prüfzeit von 1000 Stunden mit Emulsion I und V festgestellt, wogegen Emulsion X+ und Y+ zu einer Phasentrennung innerhalb ca. 1 bis 2 Tagen führten.
Emulsion X+» Wasser-in-Öl-Emulsion mit 40$ Wasser + 60$ Mineralölzubereitung, enthaltend 5$ polyäthylensubstituiertes Sorbitanmonooleat, 0,15$ Glycerinmonooleat und 0,12$ sulfonierte ölsäure.
809809/1053 ORIGINAL INSPECTED
Emulsion Y+j Wasser-in-Öl-Emulsion mit 50$ Wasser + 50$ Miner al öl zubereitung, enthaltend 20$ petroleumsulfonsaures Natrium, 1$ Rizinolsäure, 1$ Hexylenglykol, 1$ Specköl, 2$ Wasser, 0,3$ Bacterizide, 0,1$ Natriumhydroxyd, Eest Mineralöl.·
en/
Die Emulsion/nach der Erfindung, wie Emulsion I
bis V, sind feuerbeständig und halten über 50 Prüfzyklen in dem "Pipe Cleaner Test" aus, wie er in "Lubricating Engineering" 1955, März/April, Seite 86,87 beschrieben ist, während sich Mineralöl (neat) oder ein Mineralöl mit 4$ petroleumsulfonsaurem Calcium und/oder 4$ C.j2_2? alkylsalizylsaurem Calcium bereits nach 5 Prüfzyklen entzündet.
Pat ent ans ρ rüche
8 0 9809/1053

Claims (12)

  1. Patentansprüche
    1· Hydraulische Flüssigkeit und Schmiermittel auf der Basis einer Wasser-in-Öl-Emulsion mit 55 bis 80$ Ölphase aus einem Mineralöl mit einem Viskositätsindex von mindestens 80, enthaltend einen Monoester einer Fettsäure mit mindestens 8 Kohlenstoffatomen und eines Alkitans in einer Menge von 1 bis 4 G-ew.-# und ein Alkylphenoxy-poloxy-alkylen-alkanol der Formel E - phenyl - (OR1) - OR" - OH, wobei η eine ganze Zahl von 2 bis 6, R eine Alkylgruppe mit 4 bis 20 Kohlenstoffatomen und die Substituenten R1 und R" Alkylgruppen sind, in einer Menge von 0,5 bis 3, vorzugsweise 1 bis 2 Grewe-36, bezogen auf den Mineralölanteil, nach dem deutschen Patent 1 122 656, dadurch gekennzeichnet , daß die ölphase zusätzlich 0,01 bis 1 Gew.-^ eines Alkalimetalldithiocarbamats oder eine Mischung eines Alkalimetalldithiocarbamats mit einem Alkalimetallmerkaptobenzothiazol enthält, wobei das Dithiocarbamat die Formel
    R1 S
    R2-N-O- SM
    besitzt und M das Alkalimetall, R1 eine Kohlenwasserstoffgruppe und R2 ein Wasserstoffatom oder eine Kohlenwasserstoffgruppe bedeutet, die gleich oder verschieden von R1 ist.
    809809/1053
    - 16 - 1A-24
  2. 2. Hydraulische Flüssigkeit.--und Schmiermittel nach
    Anspruch 1, dadurch gekennzeichnet , daß die Kohlenwasserstoffsubstituenten Alkyl-, Aralkyl-, Alkaryl- oder Cycloalkylgruppen sind«
  3. 3«. Hydraulische flüssigkeit und Schmiermittel nach
    Anspruch 1 oder 2, dadurch gekennzeichnet , daß die Substituenten E^ und R2 Alkylgruppen mit 1 bis 16 Kohlenstoffatomen sind.
  4. 4. Hydraulische Flüssigkeit und Schmiermittel nach
    Anspruch 3, dadurch gekennzeichnet , daß die Alkylgruppen gleiche Kettenlänge, jedoch unterschiedliche Struktur besitzen.
  5. 5 ο Hydraulische Flüssigkeit und Schmiermittel nach
    Anspruch 1 bis 4, dadurch gekennzeichnet , daß der Zusatz Natrium- oder Kaliumdithiocarbamate ist.
  6. 6„ Hydraulische Flüssigkeit und Schmiermittel nach
    Anspruch 5» dadurch gekennzeichnet , daß Natriumdimethyl— oder -dibutyldithiocarbamat enthalten ist.
  7. 7. Hydraulische Flüssigkeit und Schmiermittel nach
    Anspruch 1 bis 6,· dadurch gekennzeichnet , daß bei Verwendung einer Mischung von Dithiocarbamat und Merkaptobenzothiazol das Mischungsverhältnis zwischen 10s90 und 90:10 variiert.
    809809/1053
    - 17 - 1A-24 632
    1444698
  8. 8. Hydraulische Flüssigkeit und Schmiermittel nach. Anspruch 1 bis 7» dadurch gekennzeichnet , daß das Natriumsalz des Merkaptobenzothiazole enthalten ist.
  9. 9. Hydraulische Flüsigkeit und Schmiermittel nach Anspruch 1 bis 8, dadurch gekennzeichnet , daß zusätzlich 0,01 bis 0,5 G-ewo-$ eines Dithiocarbamate von einem mehrwertigen Metall, vorzugsweise von Zink, Blei oder Kadmium, insbesondere ein K-mono- oder disubstituiertes Hydrocarbyldithiocarbamat, vorzugsweise Zink-SjN-diamyldithiocarbamat enthalten ist.
  10. 1Oo Hydraulische Flüssigkeit und Schmiermittel nach Anspruch 1 bis 9, dadurch gekennzeichnet t daß zusätzlich 0,01 bis 0,5 Gew.-^ eines Alkylenglykols oder dessen Ätherderivate enthalten ist.
  11. 11. Hydraulische Flüssigkeit und Schmiermittel nach Anspruch 10, dadurch gekennzeichnet , daß das Alkylglykol üthylenglykol ist.
  12. 12. Hydraulische Flüssigkeit und Schmiermittel nach Anspruch 1 bis 11, dadurch gekennzeichnet , daß die wässrige Phase 0,1 bis 1 Gew.-# eines Eorrosions- oder Abriebinhibitοrs, vorzugsweise Oalciumacetat oder Hatriumnitrit, enthält«,
    809809/1053
DE19621444898 1959-05-04 1962-10-15 Hydraulische Fluessigkeit und Schmiermittel auf Basis einer Wasserin-OEl-Emulsion Pending DE1444898A1 (de)

Applications Claiming Priority (3)

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US810563A US3050465A (en) 1959-05-04 1959-05-04 Water-in-oil emulsion hydraulic fluids
US145766A US3192159A (en) 1961-10-17 1961-10-17 Water-in-oil emulsion lubricant and hydraulic fluid
US16142861A 1961-12-22 1961-12-22

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CH (3) CH395409A (de)
DE (2) DE1122656B (de)
GB (3) GB882763A (de)
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CN112521234A (zh) * 2020-12-17 2021-03-19 广东众和高新科技有限公司 一种油相材料及其制备方法和应用

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FR1028406A (fr) * 1949-11-25 1953-05-22 Standard Oil Dev Co Lubrifiants perfectionnés pour matières textiles et pour appareils utilisés dans l'industrie textile
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CH431778A (de) 1967-03-15
DE1444899A1 (de) 1968-12-19
GB970680A (en) 1964-09-23
CH395409A (de) 1965-07-15
NL284362A (de)
BE590388A (de)
GB960137A (en) 1964-06-10
GB882763A (en) 1961-11-22
BE626342A (de)
NL251182A (de)
NL287079A (de)
BE623612A (de)
DE1122656B (de) 1962-01-25
CH434534A (de) 1967-04-30

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