DE1594641A1 - Multi-range soils - Google Patents

Multi-range soils

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Publication number
DE1594641A1
DE1594641A1 DE19661594641 DE1594641A DE1594641A1 DE 1594641 A1 DE1594641 A1 DE 1594641A1 DE 19661594641 DE19661594641 DE 19661594641 DE 1594641 A DE1594641 A DE 1594641A DE 1594641 A1 DE1594641 A1 DE 1594641A1
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Germany
Prior art keywords
oil
viscosity
oils
paraffin
mixture
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DE19661594641
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German (de)
Inventor
Petrovicki Dr Herbert
Kirsch Dr Kurt
Pauer Prof Dr Othmar
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Evonik Operations GmbH
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Technochemie GmbH Verfahrenstechnik
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Publication of DE1594641A1 publication Critical patent/DE1594641A1/en
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    • C10M145/12Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
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Description

X a hr b e r o ich e#U 1 o Schmüeröle, deren Viecceitäteeigeneahaften die Anforderungen mehrerer UB-Klannen erMIleng worden ale gehrbereichvöle gekennzeichnet. Sie werden insbeaondere dort gewünscht, wo Xuschinen unter stark woob»lMen klimatischen Bedingungen arbeitene oder wo ein Winter- und Somerbetrieb ohne 4echsel den Schulerölen ermöglicht worden noll. X a hr be r o ich e # U 1 o lubricating oils, the quality of which is peculiar to the requirements of several UB clusters, have been labeled as all hearing areas. They are particularly desired where Xuschinen works under extremely poor climatic conditions or where winter and summer operations can be made possible without changing the school oil.

Die üblichen Mehrberolohedle werden aus niedrigvieconen, vorwiegend paraffinbaeischen Minaralblen aufgebaut, die den Eigenschaften der niedrigen VI,3-conitäteklasse (z.B. 10 W) entsprechen. Ihre Mehrbereichseigenschaften erhalten diese Öle durch Zusätze hochpolymerer Stoffe, wie PolyacrylaäureQster oder Polyolefine, die auf dao Öl bei höheren, nicht aber bei tiefen TemDeraturen vordickend wirken. »adurch wird auch das Viscoeitäte-Temperaturverhalten (Visconität13index) verbessert.The usual Mehrberolo nobles are made up of low-viecon, mainly paraffin-like minaralbels, which correspond to the properties of the low VI, 3-conity class (eg 10 W). These oils get their multigrade properties from the addition of high-polymer substances such as polyacrylic acid esters or polyolefins, which have a thickening effect on the oil at higher, but not at low temperatures. »This also improves the viscosity device temperature behavior (Visconity13index).

Nachteilig ist hierbei vor allem das ungünstige Verdampfungsverhalten des niedrigvisconen Grundöles, sowie das durch Paraffinausacheidungen verursachte ungünstige Kälteverhalten. Naphthenbaeische Öle haben zwar einen tiefen Stockpunkt und zeigen ke.Line Paraffinausacheidung. Ihr Viecositäta'--Temperaturverhalten Ist jedoch unzureichend und im Vergleich zu paraffinischen Ölen gleicher Viscaeität in Ihren Verdampfungsverhalten ungünetig. Auch sind die notwendigen hoben zuaUxe an Polymeren Verdickern bei starker thermischer und 8ob-erbtanspruchung, wie ei* z.B. in Diesolzotor auftreten" wenig stabil. Ihr Zerfall führt am Verlunt der gewünschten Viaoositätseigenschatten nowie häufig zu Ablagerungou und dami,+. zu Störungen in Betrieb.The main disadvantage here is the unfavorable evaporation behavior of the low-viscosity base oil, as well as the unfavorable low-temperature behavior caused by paraffin build-up. Naphthenic oils have a low pour point and do not show any paraffin build-up. However, their temperature behavior is inadequate and their evaporation behavior is unsuitable in comparison to paraffinic oils of the same viscosity. The necessary raised zuaUxe of polymers thickeners at strong thermal and 8ob-erbtanspruchung as ei * eg "occur less stable in Diesolzotor. Your decay leads on Verlunt the desired Viaoositätseigenschatten Nowie often Ablagerungou and dami, +. To disturbances in operation.

Es wurde gefunden, daß aLan vorzügliche Mehrbereichedleg die die erwähnten Naohteile nicht aufweisen@ erhält# wenn man paraffinbasiechen ölen, vorzugeweine solchen, die vom Hauptanteil ihren krietallisierenden Paraffingehulten -befreit sind, ein Gemisch aus öligen Diestern einer Monadecandiaäure und öligen Diestern der Dodeaandiaäure, oder Gemische eines dieser Esteröle oder den Esterölgezieches mit einem naphthenbaalechen Minerslöl zusetzt, Dieser Zusatz ermöglicht es, paraffinbasiaohe Öle mit höherer Visoosität und damit günstigem Verdampfungeverhalten zu verwenden und gleichzeitig deren ungtnat:Lge Kälteeigenachaften zu verbessern.It has been found that excellent multi-range edlegs that do not have the aforementioned Naohteile @ obtained when you oil paraffin-based, especially those that are freed from the main portion of their crystallizing paraffin-free, a mixture of oily diesters of a monadecanedic acid and oily diesters of dodeaanediaic acid, or mixtures one of these ester oils or the ester oil goats with a naphthenic mineral oil is added. This additive makes it possible to use paraffin-based oils with a higher viscosity and thus favorable evaporation behavior and at the same time to improve their inappropriately cold properties.

Die aus Esteröl oder Euteröl und naphthenbaeinehe2 Mineralbl bestehenden Zusätze weisen nämlich niedrige Vieaositätg aber hohe Verdampfungestabilität sowie günstigeo Visconitp#tß-Tomperaturverhalten auf und teilen diene Eigenschaften der,. paraffinbasiechem Mineralöl mit., Die SerLkung dei Visco@itä . t den paraffinbasiechen Öles, die zur Einhaltung der geforderten KI:-Iteeigen90haftOn notwendig iste geht durch die auaätze Über des th40-retisch au erwartende Naß hinaung nodaß geringere 3unat&mengen als zu erwarten war verwendet worden können Durch die gleichzeitig erreichte Verbesserung den Vieconitäteindez ist en mögliche den Zusatz von polymeren Vigeouit4t@index"rbeneerern zu verringern oder sogar gänzlich darauf zu verzichten. * Die neuen Enterölnischungen zeichnen sich gegenüber anderene bekannten Diestern durch ihre hohe thermische Stabilität, ihr gutes Vieccoit4to-Tomperaturverhalten sowie ihren guten Stockpunkt aus" Teilweise kann ein Ersatz einen der beiden Beteröle oder einen Anteile den 8enlachen durch vergleichaweine einfach und in großen Mengen zugäng lichen naphthenbanienhen Mineraldl erfolgen- Dieses solle um die Wirkung de* Zusatsep "'aht zu beeinträchtigene durch Auswahl enger UwÄaachnitte in seiner Vordamptungemeigung-niedrig liegen und einen Vieconitäteindex von mindestens 60 aufweisen" Die Tisconität wird vorteilhaft zwischen 5 imd 10 eSt bei"100'DC gewählt. Das paroffInbaeische Öl wird nach dem gewUnachten Verwendungezweck ausgefflüt. Das folgende Beispiel erläutert die Herstellung eines Mehrbereichsöls nach der Erfindung: Beispiel Zur Herstellung eines Öles der SAE-Klasse 10 W 30 verwendet man die Komnonenten: 1) paraffinbaeisches Grundöl (SAE 20) : 85 Gew,% 2) naphthenbaßieches Grundöl (SAE 20) t 5 Gew.% 3) Nonadecandisäure -2-Aethyl.hexylester: 5 GewO% 4) Dodecandiaäure -2-Aethylhexylester e. 5 Gew,;% Kenndaten der.:. #Kom #onenten 1 - 4#: 2 3 Viscoaität 98990c (est) 792o Itoo 4992 2.1,87 Viscoeität -179800 (est 1) 5.6no lo.5oo 7oo 255 Viscoeität -2500 (ost)*# nicht 31.ooo 1.35o 46o Viscoeität -400c (est)+) meßbar nicht 7.ooo 2.3oo -tr- meßbar Visoositäteindex 98 71 143 176 Paraffinausecheidung 0 0 -21 - - - StockpunktoC -25 -4o -lo -48 Plammpunktoo 295 235 265 260 Verdampfung Gew.% 895 1090 496 797 (nach Noack) +) gemessen mit Brookfield-Visenaimeter Modell TiVY Das Gemisch der 4 Komponenten weist die folgenden Kenndaten (5) auf und entspricht bereite einem Xehrbereichedl der Klasee ZAE 10 W/20. Ein Zusatz von nur 3,5 Gew.% einea auf Polyacrylaäuroesterbasie aufgebuuten Visconitäteindezverbesserern (ca 50%is in Mineralöl) erlaubt eine Ausweitung den AnwenduAgebereicheo In die Klasse SAN 10 WI 30 (6)-, In neiner Verdampfung und Visconität entspricht das Öl der SAE 30-Klaeset in seinem Kälteverhalten einem SAB 10 «-Öl. 6 Viscosität 989900 (Ost) 6v65 9,63 Viaaosität -17980e (Ost)*) 2.600 2.600 Vieaositäteindex- 106 130 Paraffinausacheidungoe -,m3 -26 Stockpunktoo -36 -40 Plammpunktoc 238 240 Verdampfung Gew.% 898 geo (nach Noaok) +) extrapoliert am Visconitäts-Tomperaturblatt nach Ubbelohde The additives consisting of ester oil or udder oil and naphthenic mineral oils have namely low viscosity but high evaporation stability as well as favorable Visconitp temperature behavior and share their properties. paraffin-based mineral oil with., The SerLkung dei Visco @ itä . t the paraffinbasiechen oil as needed to comply with the required CI may have been used is -Iteeigen90haftOn necessary iste au expected cally TH40-by auaätze About the wet hinaung nodaß lower 3unat & volumes was as expected By simultaneously reached improving the Vieconitäteindez is s possible to The addition of polymeric Vigeouit4t @ index "to reduce or even to do without it. * The new enter oil mixtures are distinguished from other known diesters by their high thermal stability, their good Vieccoit4to temperature behavior and their good pour point." two prayer oils or a proportion of the 8enlachen through comparative wines easily and in large quantities accessible naphthenic mineral oil - this should be low in order to impair the effect of the * additive by selecting narrow UwÄaach sections in its pre-ammunition tendency-low and a Vieconity index of mi Have at least 60 "The tisconity is advantageously chosen between 5 and 10 eSt at"100'DC. The paraffinic oil is drained after the intended use. The following example explains the production of a multigrade oil according to the invention: Example The following components are used to produce an oil of SAE class 10 W 30 : 1) paraffinic base oil (SAE 20) : 85 % by weight 2) naphthenic base oil (SAE 20) t 5 % by weight 3) nonadecanedioic acid -2-ethylhexyl ester: 5 % by weight 4) dodecanedioic acid -2-ethylhexyl ester e. 5 % by weight Characteristics of the.:. #Com #onents 1 - 4 #: 2 3 Viscosity 98990c (est) 792o Itoo 4992 2.1.87 Viscosity -179800 (est 1) 5.6no lo.5oo 7oo 255 Viscosity -2500 (east) * # not 31.ooo 1.35o 46o Viscosity -400c (est) +) measurable not 7.ooo 2.3oo -trmeasurable Viscosity index 98 71 143 176 Paraffin separation 0 0 -21 - - - Pour pointoC -25 -4o -lo -48 Plammpunktoo 295 235 265 260 Evaporation% w / w 895 1090 496 797 (after Noack) +) measured with a Brookfield visaimeter model TiVY The mixture of the 4 components has the following characteristics (5) and already corresponds to a wide range of the class ZAE 10 W / 20. An addition of only 3.5 % by weight of a visconity improver based on a polyacrylic acid ester base (approx. 50% is in mineral oil) allows the areas of application to be expanded into class SAN 10 WI 30 (6) - In terms of evaporation and viscosity, the oil corresponds to the SAE 30 Klaeset a SAB 10 «oil in its cold behavior. 6th Viscosity 989900 (east) 6v65 9.63 Viaaosity -17980e (east) *) 2,600 2,600 Viability Index- 106 130 Paraffin lining oil -, m3 -26 Pour pointoo -36 -40 Flash pointoc 238 240 Evaporation wt.% 898 geo (after Noaok) +) extrapolated on the viscosity temperature sheet according to Ubbelohde

Claims (1)

PatentaneRruch Mehrbereichsöle, bestehend überwiegend aus - vorzugeweise entparaffinierten - paraffinbasische)-i Mineralölen sowie g) einem Gemisch aus öligen Diestern einar Nonadecandieäure und öligen der Dodecandiaäure, oder b,' einem Gemisch eine:-dieser Esterarten (.der des Eaterölgemisches rii: einem naDhthenbaeischen Mineralöl.PatentaneRruch multigrade oils, consisting predominantly of - preferably dewaxed - paraffin-based) -i mineral oils and g) a mixture of oily diesters of nonadecanedic acid and oily of dodecanedic acid, or b, ' a mixture of one of these types of esters (.der of the eater oil mixture rii: a sewing thread Mineral oil.
DE19661594641 1966-05-06 1966-05-06 Multi-range soils Pending DE1594641A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0552554A1 (en) * 1992-01-22 1993-07-28 The British Petroleum Company P.L.C. Lubricating oil compositions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0552554A1 (en) * 1992-01-22 1993-07-28 The British Petroleum Company P.L.C. Lubricating oil compositions

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