NL8300983A - Smeermiddelcompositie gebaseerd op een polyoxyalkyleenvloeistof en een tandwielkast die deze compositie bevat. - Google Patents

Smeermiddelcompositie gebaseerd op een polyoxyalkyleenvloeistof en een tandwielkast die deze compositie bevat. Download PDF

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Publication number
NL8300983A
NL8300983A NL8300983A NL8300983A NL8300983A NL 8300983 A NL8300983 A NL 8300983A NL 8300983 A NL8300983 A NL 8300983A NL 8300983 A NL8300983 A NL 8300983A NL 8300983 A NL8300983 A NL 8300983A
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composition
additives
composition according
additive
lubricant
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NL8300983A
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NL190195C (nl
NL190195B (nl
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Shell Int Research
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    • 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
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
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    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
    • C10M107/30—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M107/32—Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
    • C10M107/34—Polyoxyalkylenes
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    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M133/12—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
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    • C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/12—Thio-acids; Thiocyanates; Derivatives thereof
    • C10M135/14—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond
    • C10M135/16—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond thiourea type, i.e. containing the group
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    • C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/32—Heterocyclic sulfur, selenium or tellurium compounds
    • C10M135/36—Heterocyclic sulfur, selenium or tellurium compounds the ring containing sulfur and carbon with nitrogen or oxygen
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    • 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
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    • 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
    • C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups used as base material
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    • 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
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    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • C10M2209/1045—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only used as base material
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    • C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
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    • C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
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    • 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
    • C10M2209/1065—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms only used as base material
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    • 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
    • C10M2209/1075—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106 used as base material
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    • C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
    • C10M2209/1085—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified used as base material
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    • C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
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    • C10M2215/064—Di- and triaryl amines
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  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Lubricants (AREA)

Description

α - 1 -
K 6197 NET
SMEERMIDDEDCCMPOSIÏIE GEBASEERD OP EEN PQLYOXXATiOffiEENVIJOEISTOF EN EEN TANDWIELKAST DIE DEZE COMPOSITIE BEVAT
De onderhavige uitvinding heeft betrekking op eau smeer-irdddelcanpos itie die als basisolie een polyoxyalkyleenvloeistof omvat, en op een tandwielkast die deze compositie bevat.
Een smeermiddel voor een tandwielkast moet onder de 5 ongunstigste omstandigheden die tijdens bedrijf van de tandwielkast worden ondervonden, kunnen funcitioneren. Het dient derhalve aan ijzer, bij aanwezigheid van zout water, goede bescherming tegen corrosie te geven, drabvrije werking bij temperaturen boven 120 °C te verzekeren, alsmede weinig schuim-10 vorming en lage wrijvingsverliezen te veroorzaken.
Het is gebleken dat aan deze eisen wordt voldaan wanneer in de polyaxyalkyleenbasisvloeistof gebruik wordt gemaakt van een speciale ccmfoinatie van toevoegsels.
Volgens de uitvinding omvat een smeermiddelcaipositie die 15 aan bovengenoemde eisen voldoet als basissmeerolie een polyoxy-alkyleenvloeistof en als toevoegsels kleine hoeveelheden van: 1) een thiodiarylamine; 2) een gealkyleerde diarylamine, en 3) een N-acylsarcosine.
20 Het gebruik van een polyoxyalkyleenvloeistof als basisolie in smeermiddeloomposities voor tandwielkasten is reeds bekend j uit het Britse octrooischrift 1.294.856. Daarin wordt vermeld j dat deze vloeistoffen in vergelijking met minerale smeeroliën bij hoge temperaturen een uitstekende oxidatiestabiliteit 25 bezitten. Verder kunnen deze composities toevoegsels bevatten zoals (1) anti-oxidanten en toevoegsels zoals (3) roestwerende en wrijving-reducerende toevoegsels.
Thans is verrassenderwijs gebleken dat door een deel van toevoegsel (1) in dergelijke composities te vervangen door 30 toevoegsel (2) uitstekende anti-asddanteiganschappen worden 9 8300983 - 2 - verkregen, en dat bij de hoge temperaturen die tijdens continubedrijf van de tandwielkasten worden ondervonden, weinig of geen drab wordt gevormd.
Geschikte polyoxyalkyleenvloeistoffen zijn copolymeren of 5 condensatieprodukten van een alkyleenoxide, in het bijzonder etheenoxide en propeenoxide, zoals beschreven in het Britse octrooischrift 1.294.856, welke bij voorkeur viscositeiten hebben van 140-230 nm2/s bij 38°C.
In de onderhavige composities is de basisvloeistof bij ΙΟ voorkeur een polyprqpeenglycol, welke bij voorkeur een moleculair-gewicht van ongeveer 2000 heeft en een viscositeit van ongeveer 160 mm2/s bij 38°C, aangezien in deze vloeistof toevoegsel (3) aan ferrcwnetalen een betere bescherming tegen corrosie geeft dan in de copolymeren van etheenoxide en propeenoxide, welke 15 volgens bovengenoemde octrooiaanvrage de voorkeur genieten.
Geschikte toevoegsels (1) worden ook in bovengenoemde octrooiaanvrage beschreven, waarbij fenothiazine en gesubstitueerde fenothiazinen, zoals gealkyleerde fenothiazinen, de voorkeur genieten.
2o Geschikte toevoegsels (2) worden beschreven in het
Amerikaanse octrooischrift 2.687.377, zoals gedialkyleerde diarylaminen, in het bijzonder gedialkyleerde difenylaminen met alkylgroepen die elk 6-30, bij voorkeur 8, kool stof atomen bezitten.
25 Toevoegsels (3) functioneren als corrosiewerende en als wrijving-reducerende toevoegsels.
Geschikte toevoegsels (3) worden beschreven in het Britse octrooischrift 1.294.856. Het bij voorkeur toegepaste toevoegsel (3) is N-oleylsarcosine, dat N-oleylmethylamino-azijnzuur is.
50 Geschikte hoeveelheden van elk van de toevoegsels (1), (2) en (3), zijn 0,01-15 gew.%, bijvoorbeeld 0,1-10 gew.%, berekend op de smeermiddelccmpositie.
Andere toevoegsels kunnen eveneens gebruikt worden, zoals verdikkingsmiddelen, bijvoorbeeld cm de onderhavige composities 55 halfvloeibaar te maken, hoge druk-toevoegsels, andere anti- * 8300983 - 3 - / _r oxldanten, wrijving-reducerende en corrosie-werende toevoegsels, metaal-desactiverende middelen, zoals triazolen, bijvoorbeeld j benztriazool, schuirwerende toevoegsels, zoals siliconenvloei- | stoffen, metaal-vrije dispergeermiddelen en metaalzouten zoals | 5 neutrale en basische Ca en/of Mg salicylaten.
De onderhavige basisoliën kunnen gemengd worden met geringe hoeveelheden van andere smeeroliën, zoals minerale of synthetische koolwaterstof oliën, hydrogenerend behandelde oliën en esteroliën.
IQ De onderhavige composities zijn bijzonder geschikt voor gebruik in wormwielkasten, maar kunnen ook gebruikt worden in andere tandwielkasten, zoals kasten met conische en hypoïd-tandwielen, en als carteroliën, als ccnpressoroliën, bijvoorbeeld van het zuigertype, voor het samendrukken van lucht of 15 aardgas, als turbine-oliën, als koelmachine-oliën, als metaal-bewerkingsoliën en als hydraulische oliën.
De volgende composities werden beproefd (hoeveelheden in gew.%):
Compositie A (volgens de uitvinding) 2Q Toevoegsel (1): fenothiazine 0,5
Toevoegsel (2): diaxtyldifenylamine 3,0
Toevoegsel (3): N-oleylsarcosine 0,4
Polypropeenglycol (moleculairgewicht 2000, viscositeit 22 nm2/s bij 100 °C en 146 nrnVs 25 bij 38°C) 96,1
Bovendien bevattend 0,005 gew.% benztriazool en 0,0002 gew.% siliconenvloeistof.
Compositie B (caimercieel tandwielkastsmeermiddel, niet volgens de uitvinding) 50 Toevoegsel (1) van cccpositie A: 2
Toevoegsel (3) van compositie A: 0,3
Ccndensatieprodukt van prcpyleenoxide en ethyleenoxide, molaire verhouding 85:15, viscositeit 22 irma/s bij 100°C en 140 irm2/s 55 bij 38°C 97,7 8300983
- 'V
t * « ^ Μ
Deze composities werden in een oxidatie-thermische stabili-teitsproef gedurende 28 dagen bij 135 °C beproefd, onder toepassing van Cu- en Fe-katalysatoren en een luchtstroansnelheid van 5 1/uur.
TABEL
Compositie A B
Viscositeit irm2/s, 40°C, vóór de proef 161 140 " " , " , na " " 160 153
Zuurgraad, mg KOH/g, v66r de proef 0,7 0,5 , " " , na " " 0,55 0,45
Drabvorming, gew.% 0 0,03
Cu-gewichtsverandering, mg -3,8 0,2
Fe- " " , " -0,1 0,2 ^ Deze Tabel toont aan dat de onderhavige coipositie geen drabvorming veroorzaakt en aan metalen een goede bescherming tegen corrosie geeft.
» 8300983

Claims (7)

1. Smeermiddelccmpositie omvattende als basissmeerolie een polycocyalkyleenvloeistof en als toevoegsels kleine hoeveelheden van 1. een thiodiarylamlne; 5 2) een gealkyleerde diarylamine, en 3. een N-acylsarcosine.
2. Compositie volgens conclusie 1, met het kenmerk, dat de pDlyaxyalkyleenvloeistof een polyprcpeenglycol is.
3. Compositie volgens conclusie 1 of 2, met het kenmerk, dat 10 toevoegsel {1} fenothiazine of een gesubstitueerde fenothiazine is.
4. Compositie volgens één der conclusies 1-3, met het kenmerk, dat toevoegsel (2) een gedialkyleerde difenylamine is.
5. Conpositie volgens één der conclusies 1-4, met het kenmerk, 15 dat toevoegsel (3) N-oleylsarcosine is.
5. I j
6. Compositie volgens één der conclusies 1-5, met het kenmerk, dat elk van de toevoegsels (1), (2) en (3) aanwezig zijn in hoeveelheid van 0,01-15 gew.%, berekend op de compositie.
7. Tandwielkast bevattende een conpositie volgens ëéfi der 20 conclusies 1-6. iEHH04/MF » 8300983
NLAANVRAGE8300983,A 1982-03-31 1983-03-18 Smeermiddelcompositie gebaseerd op een polyoxyalkyleenvloeistof en een tandwielkast die deze compositie bevat. NL190195C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8209420 1982-03-31
GB08209420A GB2117787B (en) 1982-03-31 1982-03-31 A gearbox lubricant composition based on a polyxyalkylene fluid

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NL8300983A true NL8300983A (nl) 1983-10-17
NL190195B NL190195B (nl) 1993-07-01
NL190195C NL190195C (nl) 1993-12-01

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DE (1) DE3311698A1 (nl)
FR (1) FR2524483B1 (nl)
GB (1) GB2117787B (nl)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2283758A (en) * 1993-11-11 1995-05-17 Nsk Ltd Rust preventive lubricating oil
WO2000053704A1 (fr) * 1999-03-05 2000-09-14 Idemitsu Kosan Co., Ltd. Compositions huileuses pour machines refrigerantes
US7790660B2 (en) 2004-02-13 2010-09-07 Exxonmobil Research And Engineering Company High efficiency polyalkylene glycol lubricants for use in worm gears
JP5827333B2 (ja) * 2010-08-31 2015-12-02 ダウ グローバル テクノロジーズ エルエルシー 腐食抑制性ポリアルキレングリコール系潤滑剤組成物
DE102012000588B4 (de) * 2012-01-16 2017-01-05 Hydro Aluminium Deutschland Gmbh Verfahren zum Abtrennen von Kühlschmierstoff aus Lagerschmiermittel

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Publication number Priority date Publication date Assignee Title
US2687377A (en) * 1951-12-11 1954-08-24 California Research Corp Lubricant
GB1205177A (en) * 1968-05-22 1970-09-16 Castrol Ltd Improvements in or relating to lubricating compositions
GB1294856A (nl) * 1968-11-20 1972-11-01

Also Published As

Publication number Publication date
DE3311698A1 (de) 1983-10-13
GB2117787B (en) 1985-03-20
DE3311698C2 (nl) 1991-11-21
NL190195C (nl) 1993-12-01
NL190195B (nl) 1993-07-01
GB2117787A (en) 1983-10-19
FR2524483A1 (fr) 1983-10-07
FR2524483B1 (fr) 1986-02-21

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