DE2143848A1 - Schmierfett - Google Patents
SchmierfettInfo
- Publication number
- DE2143848A1 DE2143848A1 DE19712143848 DE2143848A DE2143848A1 DE 2143848 A1 DE2143848 A1 DE 2143848A1 DE 19712143848 DE19712143848 DE 19712143848 DE 2143848 A DE2143848 A DE 2143848A DE 2143848 A1 DE2143848 A1 DE 2143848A1
- Authority
- DE
- Germany
- Prior art keywords
- weight
- percent
- acid
- terpolymer
- component
- 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.)
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- Chemical & Material Sciences (AREA)
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Description
DR. E. WIEGAND DIPL-ING. W. NIEMANN DR. M. KÖHLER DIPL-ING. C. GERNHARDT
1, September 1971 W. 40 465/71 We
Mobil Oil Corporation New York, N.Y.
Schmierfett
, Die Erfindung betrifft Schmierfettzusammensetzungen,
insbesondere Schmierfettzusammensetzungen mit erhöhtem Widerstand gegen das Auswaschen λ
mit Wasser und Widerstand gegen das Erweichen bei hohen Temperaturen.
Bißher ist der Vorschlag bekannt, Äthylen-Vinylacetat-Oopolymere
Schmierfetten einzuverleiben, um deren Widerstand gegen das Auswaschen mit Wasser
zu verbessern. Bei bestimmten Schmierfetten jedoch hat sich der Gebrauch solcher Copolymere als nicht zweckmäßig
erwiesen z. B, bei Ansätzen, deren Verdickung durch Calcium-Blei-Komplexe bewirkt war, bei welchen
kein ausgeprägter Widerstand gegen das Auswaschen! mit Wasser festzustellen war. Darüberhinaus wurde ermittelt,
2098U/U29
daß solche Schmierfette wie auch andere Schmierfettansätze nicht nur einen geringen Widerstand ge^en das Auswaschen
mit Wasser aufweisen, sondern auch dazu neigen, bei hoher Temperatur der Umgebung zu erweichen.
Gemäß der Erfindung sind Schmierfettzusammensetzungen vorgesehen, die einen erhöhten Widerstand gegen das Auswaschen
mit Wasser und Widerstand gegen das Erweichen bei hohen Temperaturen haben, indem sie einen verbesserten
Zusatz von einem Äthylen-Vinylester-Organisehe Säure Terpolymer, enthalten, wobei eine geringere Menge ausreicht,
die vorerwähnten Widerstandseigenschaften einzuverleiben, wie es im folgenden ausführlicher beschrieben
ist.
Mehr ins Einzelne gehend haben die Terpolymers der Scbmierfettansätze der Erfindung einen Schmelzindex von
0,5 bis 200 und enthalten:
1. mindestens 65 Gewichtsprozent Äthylen;
2. mindestens 5 Gewichtsprozent eines zweiten äthylenisch
ungesättigten Monomeren, welches ein Ester aus der Gruppe der Vinylester der niedrigen ( 1 bis 6 C-Atome) gesättigten
aliphatischen Carbonsäuren-ist; die Alkylacrylate, die
Alky!methacrylate, die Dialkylmaleate und die Dialkylfumarate
der niedrigen ( 1 bis 6 C-Atome) aliphatischen Alkohole;
3. 0,01 bis 3 Gewichtsprozent eines dritten äthylenisch ungesättigten
Monomeren aus der Gruppe der Acrylsäure, der Methacrylsäure, der Itaconsäure, Maleinsäure und der
Fumarsäure; die Anhydride der Itaconsäure, Maleinsäure und Fumarsäure, die Alkyl-Hydrogen-Maleate und die Alkyl-Hydrogen·
Fumarate; die Monoacrylate und die Monomethaorylate der
Glykole; 2-Hydroxy-3-aminopropyl-ally3äther;Allyl-glycerinäther
DivinylglykoljS-Dimethylaminoäthylacrylat, 2-Bimethylaminoäthylmethaorylat
und N-Vinylpyrrolidon.
Die Herstellung der verbesserten Zusätze des oben 2098U/U29
erwähnten Terpolymers sind in der US-Patentschrift 3,215,657 ausführlich beschrieben.
Viele verschiedenartige Verdickungsmittel können für die Schmierfette entsprechend der Erfindung eingesetzt werden.
Inbegriffen in diese Verdickungsmittel sind Alkali- und . Erdalkaliseifen der Pette und Fettsäuren mit etwa 12 his
30 C-Atomen je Molekül. Geeignete Metalle sind Natrium,
Lithium, Calcium und Barium. Fettsubstanzen stellen dar:
Stearinsäure, Hydroxystearinsäure, Stearin, Baumwollsamenölsäure,
Ölsäure, Palmitinsäure, Myrietinsäure und gehärtete
Pischöle (hydrogenated fish oils).
Andere Verdickungsmittel bestehen aus Komplexen von Salzen und Salz-Seifen wie Calciunistearat-acetat (US-Patent
2,197,263 ); Bariumstearat-acetat (US-Patent
2,564,561); Calciumstearat-caprylat-acetat-Komplexe
(US-Patent 2,999,o65); Calciumcaprylat-acetat (US-Patent 2,999,o66); und Calciumsalze und-seifen von Säuren
mit . niederem, mit mittlerem und hohem Molekulargewicht und von Nußölsäuren; und Aluminiumkomplexe.
Eine andere Gruppe von Verdickungsmittel enthält substituierte Harnstoffe, Phtalocyanine, Indanthrene,
Pigmente wie Perylimide, -Pyromellitdiimide, Diaminocyanursäure
und Buss.
Als andere kolloidale Verdickungsmittel werden in den
neuen Schmierfettansätzen im wesentlichen hydrophobe Tone verwendet. Solche Verdickungsmittel können aus Tonen hergestellt
werden, welche ursprünglich hydrophilen Charakter haben, jedoch vor dem Einsatz als Komponente eines Schmierfettansatzes
durch Einführung von langkettigen Kohlenwasserstoff
radikalen in die Oberfläche der Partikel des Tones in
die hydrophobe Beschaffenheit umgewandelt worden Bind.
2098 U/,14.2
Sie können ζ. B. einer vorbereiisiden Behandlung durch ein
organisches kationisches oberflächenaktives Mittel wie einer Onium-Verbindung unterworfen werden. Geeignete
Oiiium-Verbindungen sind Tetra-alkyl-ämmonium-chloride
wie.DirnethyJLdioctadecylammoniumchlorid, Dirnethyldibenzylammo'niumchlorid
und Mischungen davon. Pur diese dem Fachmann wohlbekannte Methode der Umwandlung bedarf es
wohl keiner weiteren Erläuterung und sie stellt auch nicht etwa einen Teil der Erfindung, dar. Kurz gesagt: die Tone,
welche als Ausgangsmaterial zur Bildung von Verdickungsmitteln
zum Gebrauch in Schmierfettansätzen gebraucht werden, können natürlich vorkommende und chemisch unmodifizierte
Tone umfassen. Diese Tone sind Silicate von komplexer kristalliner Struktur, deren genaue Zusammensetzung
nicht zum Gegenstand einer genauen Beschreibung zu machen ist, da sie von einer natürlichen Fundstelle zur
anderen weitgehend schwanken. Diese Tone können als anorganische komplexe Silicate bezeichnet werden wie Aluminiumsilicat,
Magnesiumsilicat, Bariumsilicat und ähnliche, die zusätzlich zu ihrem Silicatgitter wechselnde Mengen
kationisch austauscifcarer ü-ruppen v/ie z. B. Natrium enthalten.
Inbegriffen in diese hydrophilen Tone, die für die Umwandlung in die.gewünschten Verdickungsmittel besonders
geeignet sind, zeigen sichMmtmorillonite wie Bentonit,
Attapulgit, Hektorit, Illit, iaponit, Sepiolit, Biotit,
Vermiculit, Zeolith-Tohe und ähnliche.
Bevorzugte Verdickungsmittel sind Calcium-Bleiacetat-Komplexe,
wie sie in Schmierfettansätzen gebraucht und im US-Patent 2,898,297 beschrieben sind. Solche Verdickungsmittel
umfassen eine Mischung von (A) Erdalkalimetallseifen und deren Salzen, wobei das aus der Gruppe der Erdalkalien
ausgewählte■Metall aus Calcium besteht, und einer Mischung (B) von Calcium und Barium, wobei das chemisch gebundene
Äquivalentgewicht von Barium nicht mehr als etwa 15 $ in dieser Mischung ausmacht, gerechnet gegen Calcium bei
diesen Seifen und Salzen. Dabei iet die Mischung A dieser
2098U/U29
BAD
-V-
Seifen und Salze in der eine Schmierfett bildenden Menge vorhanden. Die Metallsalze der Mischung A sind Salze einer
niedermolekularen, unsubstituierten, gesättigten Monocarboxylsäure (I) mit 1 bis 6 C-Atomen je Molekül. Die Metallseifen
der Mischung A sind Seifen verschiedener Säuren mit der Säure I, wie aus der folgenden Tabelle ersichtlich:
Gewichtsprozent Säure Zahl der C-Atome der Gesamt-Säuren
(I)mit niederem Molekular- μ
gewicht 1 bis 6 10 bis 50 f
(Il)mit mittl. Molgekulargewicht "7 bis 12 5 bis
(Ill)mit hohem Molekulargewicht wenigstens 13 5 bis
(IV) Ölsäuren 8 bis 18 25 bis
Säure II ist ausgewählt aus unsubstituierten, monohydroxysubstituierten
und methylsubstituierten gesättigten aliphatischen Monocarbonsäuren. Säure III ist ausgewählt aus
unsubstituierten und monohydrcxysubstituierten gesättigten aliphatischen Monocarbonsäuren und montfg'esättigten aliphatischen
Monocarbonsäuren. Die Ölsäuren sind IJußr λ
ölsäuren, welche Mischungen von Säuren umfassen, dif. von
8 bis 18 C-Atomen je Molekül und vorzugsweise C^2 ^i-3 ^14"
Säuren enthalten, außerdem mindestens 0,5 bis zu 5 Gewichtsprozent (ausgedrückt in PbO) einer Bleiverbindung
mit mindestens einer der Säuren I bis IV.
Bei den Schmierfetten der Erfindung können Mineralöle oder auch synthetische Öle mit Schmierviskosüät Anwendung
finden. Brauchbare Mineralöle sind solche mit einer Vis- koeität (SUS) von mindestens 40 see bei 37,80C (1oo°F) und
2 0,9 8 H / U 2 9
BAD
"besonders solche im Bereich von etwa 60 "bis etwa 6000 see bei
37,80C.
Synthetische träger anstelle von Mineralöl oder in Verbindung damit sind anwendbar. Geeignete synthetische
Träger sind: Polypropylen, Polypropylenglykol, Trimethylolpropanester,
Neopentyl- und Pentaerythrit-Ester, Di-(2 äthylhexyl)-sebacat,
Di- (2 äth;/l-hexyl)-adipat, Dibutylphtalat,
Polyäthylenglykol, Di-2-äthylhexoat, Fluor-Kohlenstoff verbindungen,
Perfluoroalkylpolyäther, Ester der Kieselsäure, Silane, Ester phosphorhaltiger Säuren, flüssige Harnstoffe,
Ferrocene-Derivate, gehärtete Mineralöle Polyphenyls des Ketfcentyps
Siloxane, weiterhin Silicone (Polysiloxane) Fluorsilieone,
Alkyl-substituierte Diphenyläther z. B. Butyl-substituierte
Bis-(p-phenoxyphenyl ) äther und Phenoxyphenyläther.
Andere Kohlenwasserstofföle schliessen auch synthetische
Kohlenwasserstoffpolymere ein, welche verbesserte Viskositätsindices aufweisen. Sie werden hergestellt durch Polymerisation
eines Olefins oder einer Mischung von Olefinen mit 5 bis 18 C-Atomen
im Molekül in Gegenwart von aliphatischen Halogeniden und einem Katalysator vom Zieglertyp.
Es ist jedoch klar, daß die dabei in Betracht gezogenen Mischungen auch andere charakteristische Materialien enthalten
können. Es können z. B. Antioxidantien wie Phenyl pC-naphtylarain
(PAlT), Korrosionsinhibitoren, Mittel für extrem hohe Drücke, Viskositätsindexmittel und Füllstoffe
Verwendung finden. Unter diesen Materialien "befinden sich kolloidale Kieselsäure, Calciumacetat, Calciumcarbonat und
Molybdendisulfid. Derartige charakteristische Materialien beeinträchtigen
nicht den Schmierwert der Zusammensetzung der Erfindung noch beeinträchtigen sie die nützlichen Eigenschaften
der Terpolymere; vielmehr sind diese charakteristi-
2098U/U29
2H3848
sehen Materialien dazu dienlich, den einzelnen Zusammensetzungen,
in die sie einverleibt werden, ihre üblichen Eigenschaften zu verleihen.
Die Schmierfette der Erfindung können in Übereinstimmung
mit den herkömmlichen IPertigungsmethoden wie jede "beliebige
Mischmethode, wodurch feste Partikel mit einer Flüssigkeit benetzt werden, hergestellt werden. Geeignete Einrichtungen
für diesen Zweck stellen Kolloidmühlen, 3-Walzenfarbmühlen
und Manton-Gaulin Homogenisiermaschine und ähnliche dar.
In Bezug auf das Terpolymerverbesserungsmittel der
Erfindung enthalten bevorzugte Terpolymere 20 bis 30 Gewichtsprozent
der vorerwähnten Komponente der Gruppe 2 und zwar der zweiten äthylenisch ungesättigten monomeren Komponente;
und p',1 bis 1 Gewichtsprozent der vorerwähnten Komponente, der Gruppe 3 und zwar der dritten äthylenisch ungesättigten
monomeren Komponente. Maßgebende bevorzugte Terpolymere-enthalten
außer Äthylen 20 bis 30 Gewichtsprozent Vinylacetat und 0,1 bis 1 Gewichtsprozent Acrylsäure; 20 bis 30 Gewichtsprozent
Vinylacetat und
0,1 bis 1 Gewichtsprozent Methacrylsäure, 20 bis 30 GewiehtsprozentÄthylacrylat
und 0,1 bis 1 Gewichtsprozent Acrylsäure; 20 bis 30 Gewichtsprozent Äthylacrylat und ·
0,1 bis.1 Gewichtsprozent Methacrylsäure; 20 bis 30 Gewichtsprozent Methylmethacrylat und 0,1 bis 1 Gewichtsprozent
Acrylsäure; und 20 bis 30 Gewichtsprozent Methylmethacrylat und 0,1 bis 1 Gewichtsprozent Methacrylsäure
(wobei die Zahlenangaben nur Näherungswerte sind.)
2098U/U29
2U3848
Was die Menge der Terpolymerverbesserungsmittel "betrifft, wird letzteres, wie vorstehend beschrieben, in
geringer Menge verwendet, welche ausreicht, dem Schmierfettansatz die gewünschte Widerstandsfähigkeit gegen das
Auswaschen durch Wasser und den Widerstand gegen das Erweichen bei hohen Temperaturen zu verleihen. Besonders
bevorzugt sind Schmierfette, in welchen das Terpolymer in einer Höhe von mindestens etwa 0,01 Gewichtsprozent
vorhanden ist» Für die meisten Zwecke erbringt die Anwendung
des Terpolymers in einer Höhe von etwa 0,1 bis etwa 5 Gewichtsprozent eine höchst zufriedenstellende
Verbesserung der Schmierfettzusammensetzungen.
Um die Verbesserung des Widerstandes gegen das Auswaschen
durch Wasser und des Widerstandes gegen Erweichen bei erhöhter Temperatur nachzuweisen, wenn das oben beschriebene
Terpolymer angewendet wird, wurde ein geeignetes Schmierfett mit komplexen Calcium-Blei-Verbindungen hergestellt.
Es enthielt in Gewichtsteilen ausgedrückt 16 tfo
Verdickungsmittel, 80 # Träger und 4 °ß>
Additive.
Das Verdickungsmittel wurde gebildet durch Reaktion eines geringen stöchiometrischen Überschusses von Metallbase,
bestehend aus 4,5· Teilen Kalk zu 1 Teil Bleiglätte mit Fettsäuren, bestehend aus'~4,5 Teilen Kalk zu 1 Teil Bleiglätte
mit Fettsäuren, bestehend aus 27»5 Gewichtsprozent einer niedermolekularen Säure, nämlich Essigsäure, -58
Gewichtsprozent einer Säure von mittlerem Molekulargewicht, nämlichCaprylsäure, und 14,5 Gewichtsprozent Säuren mit
hohem Molekulargewicht, Kokusfettsäuren (Cj2 bis C10). Der
Träger bestand aus einem naphtenischen, durch Lösungsmittel gereinigten Mineralöl, mit einer Viskosität von 800 SUS bei
37,80C (10O0F) bzw. 70 SUS bei 1000C (2100F). Die Additive
enthielten3-Gewichtsprozent eines chlorierten V/achses als
Hochdruckmittel, 0,8 Gewichtsprozent eines Antioxidanten, nämlich
blockfciiasjphenol und aromatisches Amin, und 1,2 Gewichtsprozent
eines Korrosioninhibitors.
2098U/U26
2U3848
Wie in den Beispielen der folgenden Tabelle 1 gezeigt ist,
wurden unterschiedliche Mengen eines typjaiaa Terpolymers, wie
es die Erfindung darstellt, in die oben hergestellten Schmierfette zur Auswertung gebracht. Dieses Terpolymer stellt ein
Äthylen-Vinylacetat-Methacrylsäure-Terpolymer dar, hat einen
Schmelzindex von 13 und enthält 27,5 Gewichtsprozent Vinylacetat,
0,7 Gewichtsprozent Methacrylsäure und 71,8 Gewichtsprozent Äthylen.
Die "betreffenden Schmierfettansätze, die· die genannten
Mengen des oben hergestellten Terpolymers gewichtsmäßig erhalten, wurden dem Standard-Wasserauswaschtest unterzogen
(ASTM'D 1264) unter Anwendung eines "breiteren ringförmigen
Schildes, um den Durchschnitt des Wassers in das mit Schmierfett "bestrichene lauflager.zu erleichtern.
Einfluß | Tabelle I von Terpolymer auf den |
Widerstand | gegen Auswaschen |
Beispiel | Schmierfett | Konsistenz ASTM D217 (Uff/6 0\7)+ |
Y/asserauswaschtest ASTM D1264 ()'o Auswaschung) |
1 2 3 4 |
Ausgangs-Schmierfett " +o,3$Terpolymer 11 +0,5/oTerpolymer " +1,o$Terpolymer |
312/328 298/318 272/272 '218/255 |
25 13 7 4 |
,py
+ UV//6,0Wr Unbearbeitet/mit 60 Schlagen bearbeitet.
++ Unter Anwendung eines breiteren ringförmigen Schilds.
Aus den Beispielen der vorhergehenden Tabelle 1 wird offenbar, daß die Terpolymere der Erfindung eine starke
Wirksamkeit besitzen, um den Schmierfettansätzen gegen
2098U/.U29
das Auswaschen durch Wasser Widerstandskraft zu verleihen.
V/ie anhand der Beispiele der folgenden Tabelle II gezeigt ist, wurden unterschiedliche Mengen des oben beschriebenen, representativen
Terpolymers in das oben beschriebene Schmierfett zur Auswertung im Hinblick auf den Widerstand gegen Erweichungswirkung bei erhöhten Temperaturen eingearbeitet.
Badlagerschwund·
Beispiel Stoff Konsistenz Erweichungswirkung % ^gJ 7§ϊ?*?ί
ASTM D 217 (Grade in Celsius) l^li!^if
(W) Ο°°
über5ü
1 Ausgangs- 301/318 21 35 übeFjO 12,1
Schmierfett
2 » + 0,3 1° 256/286 13 20 33 40 4,6
Terpolymer
+UW/60W = Unbearbeitet/mit 60 Schlägen bearbeitet
++ Zu weich, als daß die Penetration hätte, gemessen werden können
Aus den Beispielen der vorhergehenden Tabellen II geht hervor, daß die Terpolymere der Erfindung eine starke Wirksamkeit
besitzen, um den Schmierfetten Widerstandskraft gegen das Erweichen bei erhöhten Temperaturen zu verleihen.
20981 4/U29
Claims (4)
1. Schmierfett auf der Basis eines Schmiermittelträgers, eines Verdickungsmittels und Äthyleneopolymerenverbesserungsmittels,
dadurch gekennzeichnet, daß das Copolymer-Verbesserungsmittel aus einem Terpolymer mit einem Schmelzindex
von 0,5 "bis 200 Gesteht, das
(1) mindestens 65 Gewichtsprozent Äthylen
(2) mindestens 5 Gewichtsprozent Vinylester von gesättigten aliphatischen Carbonsäuren, mit 1-6 C-Atomen,Alkylacry- ^
late, Alkylmethacrylate, Dialkylmaleate und Dialkylfumarate ™
aliphatischer Alkohole mit 1-6 C-Atomen und
(3) o,o1 bis 3 Gewichtsprozent eines Monomeren, aus Acrylsäure, Methacrylsäure, Itaconsäure, Maleinsäure und !Fumarsäure;
Anhydrid der Itaconsäure, Maleinsäure und Fumarsäure; Alkylhydrogen-maleaten
und Alkylhydrogen-fumaraten Monoacrylaten und Monomethacrylaten von Glykolen, 2 Hydroxy-3-aininopropylallyläthor,
Allylglycerinäther, Divinglykol, 2-Dimethylaminoäthylacrylat,
2-Dimethylaminoäthylmethacrylat und IT-Vinylpyrrolidon
umfaßt.
2. Schmierfett nach Anspruch 1, dadurch g,
daß das Terpolymer 20 bis 30 Gewichtsprozent der Komponente 2 *
und 0,1 bis 1 Gewichtsprozent der Komponente (3) enthält.
3. Schmierfett nach Anspruch 1 oder 2, dadurch gekennzeichnet,
daß die Komponente (2) aus Vinylacetat, Äthylacrylat oder Methylmethacrylat besteht.
4. Schmierfett nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Komponente (3) aus Acrylsäure oder
Methacrylsäure besteht.
2098U/U29
BAD ORIGINAL
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7484970A | 1970-09-23 | 1970-09-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2143848A1 true DE2143848A1 (de) | 1972-03-30 |
DE2143848B2 DE2143848B2 (de) | 1981-07-23 |
DE2143848C3 DE2143848C3 (de) | 1982-04-29 |
Family
ID=22122040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2143848A Expired DE2143848C3 (de) | 1970-09-23 | 1971-09-01 | Schmierfett |
Country Status (6)
Country | Link |
---|---|
US (1) | US3705853A (de) |
JP (1) | JPS5521079B1 (de) |
CA (1) | CA948616A (de) |
DE (1) | DE2143848C3 (de) |
FR (1) | FR2107892B1 (de) |
GB (1) | GB1306349A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2341802A1 (de) * | 1972-11-07 | 1974-05-09 | Mobil Oil Corp | Schmierfett |
DE2528600A1 (de) * | 1974-07-01 | 1976-01-22 | Mobil Oil Corp | Schmierfette und verfahren zu deren herstellung |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997455A (en) * | 1974-07-01 | 1976-12-14 | Mobil Oil Corporation | Paraffinic base greases |
DE3136931A1 (de) * | 1981-09-17 | 1983-04-07 | Akzo Gmbh, 5600 Wuppertal | Copolymere aus (alpha)-(beta)-ungesaettigten dicarbonsaeureestern, verfahren zu deren herstellung sowie deren verwendung als gleitmittel fuer die kunststoffverarbeitung |
JPS59150579U (ja) * | 1983-03-23 | 1984-10-08 | 大金興業株式会社 | 浄化槽流出水の蒸発散処理装置 |
CA1290137C (en) * | 1984-06-11 | 1991-10-08 | John L. Burba, Iii | Intercalations of crystalline lithium aluminates |
US4606183A (en) * | 1984-11-20 | 1986-08-19 | Amsted Industries Incorporated | Lubricated and thermoplastic impregnated wire rope |
GB8503382D0 (en) * | 1985-02-09 | 1985-03-13 | British Petroleum Co Plc | Lubricating grease |
US5116522A (en) * | 1988-09-08 | 1992-05-26 | Exxon Research And Engineering Company | Grease composition containing an ethylene copolymer having a melt index of at least about 40 |
CA1334965C (en) * | 1988-09-08 | 1995-03-28 | Terrance O. Brown | Lubricating composition |
DE10343901A1 (de) * | 2003-09-19 | 2005-04-14 | Basf Ag | Amidgruppenhaltige Ethylenterpolymere und ihre Verwendung |
US20050209114A1 (en) * | 2004-03-19 | 2005-09-22 | The Lubrizol Corporation, A Corporation Of The State Of Ohio | Functionalized polymer composition for grease |
US7429555B2 (en) * | 2004-04-30 | 2008-09-30 | Rohmax Additives Gmbh | Lubricating grease with high water resistance |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB720487A (en) * | 1951-03-15 | 1954-12-22 | Socony Vacuum Oil Co Inc | Lubricating greases |
US2698299A (en) * | 1951-11-27 | 1954-12-28 | Socony Vacuum Oil Co Inc | Modified acidic copolymer-fatty acid soap greases |
DE1124174B (de) * | 1959-02-20 | 1962-02-22 | Exxon Standard Sa | Schmierfett |
US3076764A (en) * | 1960-09-30 | 1963-02-05 | California Research Corp | Isotactic polymers of 4-methyl-1-pentene as grease thickeners |
US3086942A (en) * | 1960-02-01 | 1963-04-23 | Exxon Research Engineering Co | Lubricants containing various crosslinked substances as thickening agents |
US3114708A (en) * | 1960-12-29 | 1963-12-17 | Exxon Research Engineering Co | Dry polyolefin/oil blends |
DE1278056B (de) * | 1963-07-11 | 1968-09-19 | Sun Oil Co | Schmierfett |
-
1970
- 1970-09-23 US US74849A patent/US3705853A/en not_active Expired - Lifetime
-
1971
- 1971-04-27 GB GB1164071*[A patent/GB1306349A/en not_active Expired
- 1971-06-11 CA CA115,424A patent/CA948616A/en not_active Expired
- 1971-07-22 JP JP5425671A patent/JPS5521079B1/ja active Pending
- 1971-09-01 DE DE2143848A patent/DE2143848C3/de not_active Expired
- 1971-09-21 FR FR7133946A patent/FR2107892B1/fr not_active Expired
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB720487A (en) * | 1951-03-15 | 1954-12-22 | Socony Vacuum Oil Co Inc | Lubricating greases |
US2698298A (en) * | 1951-03-15 | 1954-12-28 | Socony Vacuum Oil Co Inc | Lubricating greases containing an acidic copolymer salt |
US2698299A (en) * | 1951-11-27 | 1954-12-28 | Socony Vacuum Oil Co Inc | Modified acidic copolymer-fatty acid soap greases |
DE1124174B (de) * | 1959-02-20 | 1962-02-22 | Exxon Standard Sa | Schmierfett |
US3083163A (en) * | 1959-02-20 | 1963-03-26 | Exxon Standard Sa | Acetate greases |
US3086942A (en) * | 1960-02-01 | 1963-04-23 | Exxon Research Engineering Co | Lubricants containing various crosslinked substances as thickening agents |
US3076764A (en) * | 1960-09-30 | 1963-02-05 | California Research Corp | Isotactic polymers of 4-methyl-1-pentene as grease thickeners |
US3114708A (en) * | 1960-12-29 | 1963-12-17 | Exxon Research Engineering Co | Dry polyolefin/oil blends |
DE1278056B (de) * | 1963-07-11 | 1968-09-19 | Sun Oil Co | Schmierfett |
Non-Patent Citations (1)
Title |
---|
Chemical Abstracts, 1970, Vol. 73, No. 16, 79205 j, Neth. Appl. 69 17 830 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2341802A1 (de) * | 1972-11-07 | 1974-05-09 | Mobil Oil Corp | Schmierfett |
DE2528600A1 (de) * | 1974-07-01 | 1976-01-22 | Mobil Oil Corp | Schmierfette und verfahren zu deren herstellung |
DE2560382C2 (de) * | 1974-07-01 | 1986-07-17 | Mobil Oil Corp., New York, N.Y. | Schmierfett mit einem paraffinischen Mineralöl als Schmiermittelträger |
Also Published As
Publication number | Publication date |
---|---|
DE2143848C3 (de) | 1982-04-29 |
FR2107892B1 (de) | 1976-03-26 |
AU3332971A (en) | 1973-03-29 |
GB1306349A (de) | 1973-02-07 |
CA948616A (en) | 1974-06-04 |
JPS5521079B1 (de) | 1980-06-06 |
FR2107892A1 (de) | 1972-05-12 |
US3705853A (en) | 1972-12-12 |
DE2143848B2 (de) | 1981-07-23 |
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