FR2476675A1 - LUBRICATING OIL COMPOSITION COMPRISING LUBRICATING OIL, BASIC METAL SALT, AND ALKYL ALOXYLATED DITHIOPHOSPHATE - Google Patents

LUBRICATING OIL COMPOSITION COMPRISING LUBRICATING OIL, BASIC METAL SALT, AND ALKYL ALOXYLATED DITHIOPHOSPHATE Download PDF

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FR2476675A1
FR2476675A1 FR8103524A FR8103524A FR2476675A1 FR 2476675 A1 FR2476675 A1 FR 2476675A1 FR 8103524 A FR8103524 A FR 8103524A FR 8103524 A FR8103524 A FR 8103524A FR 2476675 A1 FR2476675 A1 FR 2476675A1
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lubricating oil
oil composition
compound
dithiophosphate
composition according
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FR2476675B1 (en
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Feike De Jong
Corrie Maria Jeanne Leenaars
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Shell Internationale Research Maatschappij BV
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Shell Internationale Research Maatschappij BV
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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
    • C10M163/00—Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
    • 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
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/027—Neutral salts thereof
    • 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
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/028—Overbased salts thereof
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/129—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more carbon atoms
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/144—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings containing 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/146—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings having carboxyl groups bound to carbon atoms of six-membeered aromatic rings having a hydrocarbon substituent of thirty or more carbon atoms
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/16—Naphthenic acids
    • 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
    • C10M2207/26—Overbased carboxylic acid salts
    • C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/046—Overbasedsulfonic acid salts
    • 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio 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
    • C10M2225/00—Organic macromolecular compounds containing phosphorus 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
    • C10M2225/00—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2225/02—Macromolecular compounds from phosphorus-containg monomers, obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • 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
    • C10N2010/00—Metal present as such or in compounds
    • 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
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

L'INVENTION CONCERNE UNE COMPOSITION D'HUILE LUBRIFIANTE. LA COMPOSITION COMPREND: 1UN COMPOSE METALLIQUE SOLUBLE DANS L'HUILE, CHOISI PARMI LES SELS BASIQUES DE METAUX ALCALINS OU DE METAUX ALCALINO-TERREUX D'ACIDES CARBOXYLIQUES, D'ACIDES SULFONIQUES, D'ACIDES NAPHTENIQUES ET D'ALCOYLPHENOLS; ET 2UN DITHIOPHOSPHATE DE METAL DU GROUPE II, A BASE D'UN ALCOOL ALCOXYLE, DE FORMULE: (CF DESSIN DANS BOPI) LA COMPOSITION PRESENTE UNE ACTIVITE EXTREME-PRESSIONANTI-USURE ET SEMBLE ACCENTUER LE COMPORTEMENT ANTI-ROUILLE DE DETERGENTS BASIQUES CONTENANT DES METAUX.THE INVENTION RELATES TO A LUBRICATING OIL COMPOSITION. THE COMPOSITION INCLUDES: 1A METAL COMPOUND SOLUBLE IN OIL, CHOSEN FROM THE BASIC SALTS OF ALKALINE METALS OR OF ALKALINO-EARTH METALS OF CARBOXYLIC ACIDS, SULPHONIC ACIDS, NAPHENIC ACIDS AND ALCOYLPHENOLS; AND 2A METAL DITHIOPHOSPHATE OF GROUP II, BASED ON AN ALCOHOL ALCOHOL, OF FORMULA: (CF DESIGN IN BOPI) THE COMPOSITION SHOWS EXTREME PRESSURE ANTI-WEAR ACTIVITY AND APPEARS TO ENHANCE THE ANTI-RUST BEHAVIOR OF BASIC DETERGENTS CONTAINING .

Description

-1 --1 -

La présente invention concerne une composi-  The present invention relates to a composition

tion d'huile lubrifiante comprenant une proportion majeure d'une huile lubrifiante et une proportion  lubricating oil comprising a major proportion of a lubricating oil and a proportion

mineure d'un sel basique de métal et d'un dithio-  minor of a basic metal salt and a dithio-

phosphate de métal alcoxylé.alkoxylated metal phosphate.

Des dithiophosphates de métaux non-alcoxylés tels que des dialcoyldithiophosphates de zinc (ZDTP) sont couramment utilisés dans des huiles lubrifiantes  Non-alkoxylated metal dithiophosphates such as zinc dialkyl dithiophosphates (ZDTPs) are commonly used in lubricating oils

comme additifs d'extrême-pression/anti-usure et anti-  as extreme pressure / anti-wear and anti-wear additives

oxydants.oxidants.

D'après la demande de brevet allemand n 2 216 684, on connait des compositions d'huiles lubrifiantes comprenant une huile lubrifiante, des dithiophosphates de zinc alcaryloxypolyalcoxylés et une N-acylsarcosine comme constituants, tandis que d'autres additifs tels que du sulfonate basique de  German Patent Application No. 2,216,684 discloses lubricating oil compositions comprising a lubricating oil, alkaryloxypolyalkoxylated zinc dithiophosphates and N-acylsarcosine as constituents, while other additives such as basic sulfonate. of

baryum peuvent être présents. Ces compositions d'hui-  barium can be present. These oil compositions

les lubrifiantes sont utilisées comme lubrifiants pour des systèmes hydrauliques de transmission de puissance pour lesquels on a besoin de lubrifiants  Lubricants are used as lubricants for hydraulic power transmission systems for which lubricants are needed

d'une longue durée.of a long duration.

D'après le brevet des EUA n 3 337 654, on connaît un dithiophosphate de métal similaire à celui qui fait partie de la présente composition d'huile lubrifiante. Toutefois, la combinaison dans une composition d'huile lubrifiante de ce type de dithiophosphates de métaux avec des sels basiques  According to US Pat. No. 3,337,654, a metal dithiophosphate similar to that which is part of the present lubricating oil composition is known. However, the combination in a lubricating oil composition of this type of metal dithiophosphates with basic salts

de métaux alcalins ou alcalino-terreux d'acides car-  alkali or alkaline earth metals of car-

boxvliques, d'acides sulfoniques, d'acides naphténi-  boxes, sulphonic acids, naphthenic

ques ou d'alcoylphénols n'est ni décrite ni mentionnée  or alkylphenols is neither described nor mentioned

dans le brevet ci-dessus.in the above patent.

La demanderesse a trouvé une composition d'huile lubrifiante qui présente une combinaison d'activités inattendues. Non seulement elle présente -2les activités désirées des ZDTP telles qu'une activité extrémepression/anti-usure, mais de plus elle semble aussi accentuer le comportement anti-rouille de  Applicant has found a lubricating oil composition that has a combination of unexpected activities. Not only does it present the desired activities of the ZDTPs such as an extreme compression / anti-wear activity, but it also seems to accentuate the anti-rust behavior of

détergents basiques contenant des métaux.  basic detergents containing metals.

La présente invention fournit une composi- tion d'huile lubrifiante comprenant une proportion majeure d'une huile lubrifiante et une proportion mineure de chacun des constituants suivants: I) un composé métallique soluble dans l'huile choisi parmi les sels basiques de métaux alcalins ou de métaux alcalino-terreux d'acides  The present invention provides a lubricating oil composition comprising a major proportion of a lubricating oil and a minor proportion of each of the following constituents: I) an oil-soluble metal compound selected from alkali metal basic salts or of alkaline earth metals of acids

carboxyliques, d'acides sulfoniques, d'acides naph-  carboxylic acids, sulphonic acids, naphtha

téniques et d'alcoylphénols et II) un dithiophosphate de métal du groupe II, à base d'un alcool alcoxylé, de la formule: S n R10 (C2H40)x(C3H6o)yP- (OC3H6)q(0C2H4)p 0R2 S.Mî  and II) a group II metal dithiophosphate, based on an alkoxylated alcohol, of the formula: ## STR5 ## wherein R 2 (C 2 H 4 O) x (C 3 H 6 O) y P- (OC 3 H 6) q (OC 2 H 4) p OR 2 S .Mid

dans laquelle R1 et R2 sont des radicaux d'hydro-  wherein R1 and R2 are hydrogen radicals

carbures non-aromatiques ayant chacun de 1 à 30 atomes de carbone et dans laquelle x, y, p et q sont chacun des nombres de 0 à 10, x + y + p + q > 1, et M est choisi parmi Zn, Mg, Ca et Ba. De préférence, x = p est compris dans l'intervalle de 0 à 6 et y = q  nonaromatic carbides each having 1 to 30 carbon atoms and wherein x, y, p and q are each numbers from 0 to 10, x + y + p + q> 1, and M is selected from Zn, Mg , Ca and Ba. Preferably, x = p is in the range of 0 to 6 and y = q

est compris dans l'intervalle de 0 à 6.  is in the range of 0 to 6.

Les radicaux d'hydrocarbures R1 et R2 ont de préférence de 3 à 18 atomes de carbone. Le métal M  The hydrocarbon radicals R 1 and R 2 preferably have from 3 to 18 carbon atoms. The metal M

du groupe II est de préférence du zinc.  Group II is preferably zinc.

Le composé métallique soluble dans l'huile (composé I) a de préférence un indice de basicité de 2 à 10 (nombre d'équivalents de métal par équivalent d'acide). Le composé I est de préférence un sel de métal alcalin d'un C6_20-alcoylsalicylate, tel qu'un -3- sel de Ca, de Ba, de Sr ou de Mg, de préférence un sel de Ca, et leurs mélanges, par exemple un mélange  The oil-soluble metal compound (compound I) preferably has a basicity number of 2 to 10 (number of equivalents of metal per equivalent of acid). Compound I is preferably an alkali metal salt of a C 6-20 alkylalkylate, such as a salt of Ca, Ba, Sr or Mg, preferably a salt of Ca, and mixtures thereof, example a mixture

d'un sel de Ca et d'un sel de Mg.a salt of Ca and a salt of Mg.

La composition d'huile lubrifiante comprend de préférence de 85 à 99,45 % en poids d'une huile lubrifiante et de 0,5 à 10 % en poids de composé I et de 0,05 à 5 % en poids de composé II. De préférence, la composition d'huile lubrifiante contient une huile lubrifiante d'un indice de viscosité élevé (HVI),  The lubricating oil composition preferably comprises 85 to 99.45% by weight of a lubricating oil and 0.5 to 10% by weight of compound I and 0.05 to 5% by weight of compound II. Preferably, the lubricating oil composition contains a lubricating oil having a high viscosity index (HVI),

ayant un indice de viscosité d'au moins 80.  having a viscosity number of at least 80.

La présente combinaison d'additifs peut être utilisée en même temps que d'autres additifs  The present combination of additives may be used together with other additives

incorporés dans la composition d'huile lubrifiante.  incorporated in the lubricating oil composition.

Par exemple, des additifs améliorant l'indice de.  For example, additives improving the index of.

viscosité, des abaisseurs de point d'écoulement, des additifs anti-mousse, des détergents, des anti-oxydants, des additifs anti-corrosion, etc., peuvent être présents dans la composition d'huile qui comprend la présente  viscosity, pour point depressants, anti-foam additives, detergents, antioxidants, anti-corrosion additives, etc., may be present in the oil composition which comprises the present invention.

combinaison d'additifs.combination of additives.

La présente invention va maintenant être  The present invention will now be

illustrée par référence aux exemples suivants.  illustrated by reference to the following examples.

Exemple IExample I

Afin de comparer le comportement anti-rouille d'une composition d'huile comprenant un dithiophosphate de zinc normal et un alcoylsalicylate basique de calcium dont le groupe alcoyle contient de 14 à 20 atomes de  In order to compare the anti-rust behavior of an oil composition comprising a normal zinc dithiophosphate and a basic calcium alkylsalicylate whose alkyl group contains from 14 to 20 carbon atoms.

carbone et ayant un indice de basicité de 3,0 (Compo-  with a basicity index of 3.0 (Compound

sition A) à celui de compositions d'huile comprenant  A) to that of oil compositions comprising

un dithiophosphate de zinc polyalcoxylé et l'alcoyl-  polyalkoxylated zinc dithiophosphate and the alkyl

salicylate basique de calcium ci-dessus (Compositions Bn), on effectue un essai de vitesse de neutralisation à l'interface constante avec chacune des compositions  Calcium basic salicylate above (Bn Compositions), a neutralization rate test is performed at the constant interface with each of the compositions

d'huiles lubrifiantes. L'essai de vitesse de neutrali-  lubricating oils. Neutrality speed test

sation à interface constante est un essai pour détermi-  constant interface is a test for determining

-4- ner le temps nécessaire pour neutralisation d'un acide par la composition d'huile. La neutralisation est déterminée avec un pH-mètre. On utilise une huile de base HVI. Comme référence, on utilise une composition d'huile comprenant 96 % en poids de l'huile HVI + 4 % en poids de l'alcoylsalicylate de calcium ci-dessus  The time required for the neutralization of an acid by the oil composition. Neutralization is determined with a pH meter. An HVI base oil is used. As a reference, an oil composition comprising 96% by weight of the HVI oil + 4% by weight of the above calcium alkylsalicylate is used.

(au total 20 grammes).(in total 20 grams).

On conduit l'expérience comme suit: on agite 20 g de la composition d'huile et 100 cm3 de 0,001 N H2S04 à 90 C et on mesure le pH. Au temps nécessaire pour neutralisation de la composition d'huile de référence, on attribue la valeur 100 come  The experiment is carried out as follows: 20 g of the oil composition and 100 cm 3 of 0.001 N H 2 SO 4 are stirred at 90 ° C. and the pH is measured. At the time required for neutralization of the reference oil composition, the value 100 is assigned as

temps relatif de neutralisation.relative time of neutralization.

Dans le tableau I, on indique les temps relatifs de neutralisation des compositions d'huiles A, Bn (n = un nombre entier) et de la composition  In Table I, the relative neutralization times of the oil compositions A, Bn (n = integer) and composition are indicated.

d'huile de référence.of reference oil.

La composition A est la composition d'huile de référence à laquelle on a ajouté un dithiophosphate de zinc normal de la formule: S le  Composition A is the reference oil composition to which a normal zinc dithiophosphate of the formula:

R10 - P - OR2R10 - P - OR2

SZno0,5 dans laquelle R1 = R2 = C12 - C15. La composition Bn est la composition d'huile de référence à laquelle on a ajouté un dithiophosphate de zinc éthoxylé de la formule: S RO1(c2H40)x(C3H60)y -P (0C3H6)q(OC2H4)p OR2 SZnO,5 -5-  SZno0.5 wherein R1 = R2 = C12 - C15. Composition Bn is the reference oil composition to which an ethoxylated zinc dithiophosphate of the formula: S RO1 (c2H40) x (C3H60) y -P (OC3H6) q (OC2H4) p OR2 SZnO5; 5-

Tableau ITable I

Composition d'huile en Temps relatif de % en neutralisation poids Référence 100  Oil Composition in Relative Time of Neutralization Weight Reference 100

A 2,0 87A 2.0 87

B1: R1=R2=C12-C15 3,2 48B1: R1 = R2 = C12-C15 3.2 48

x=p=3 Y.=q=Ox = p = 3 Y. = q = O

B1 0,2 48B1 0.2 48

B2: R1=R2=C9-C11 0,2 36B2: R1 = R2 = C9-C11 0.2 36

1 29-lit2 3 x=p=5 y=q=01 29-lit2 3 x = p = 5 y = q = 0

B2 3,4 47B2 3.4 47

B3: R1=R2=C12-C15 0,2 44B3: R1 = R2 = C12-C15 0.2

x=p=5,6 y=q=4,3x = p = 5.6 y = q = 4.3

B4: R1=R2=C12-C15, 0,2 46B4: R1 = R2 = C12-C15, 0.2 46

x=p=O y=q=5 D'après le Tableau I, il est évident que des dithiophosphates de zinc à base d'alcools éthoxylés réduisent beaucoup le temps de neutralisation de l'alcoylsalicylate basique de calcium, tandis que le dithiophosphate de zinc normal a peu d'effet sur la  x = p = O y = q = From Table I, it is evident that zinc dithiophosphates based on ethoxylated alcohols greatly reduce the neutralization time of calcium basic alkylsalicylate, whereas the dithiophosphate of normal zinc has little effect on the

vitesse de neutralisation de l'alcoylsalicylate basi-  neutralization rate of the basic alkylsalicylate

que de calcium.than calcium.

Exemple IIExample II

Pour montrer l'influence nulle ou même défavorable d'une N-acylcarcosine comme décrit dans la demande de brevet allemand nO 2 216 684 sur la vitesse de neutralisation de l'alcoylsalicylate basique de calcium cidessus, on effectue un essai -6- de vitesse de neutralisation avec la composition d'huile de référence ci-dessus à laquelle on a  To show the null or even adverse effect of N-acylcarcosine as described in German Patent Application No. 2,216,684 on the rate of neutralization of the above-mentioned basic calcium alkylsalicylate, a speed test is carried out. neutralization with the above reference oil composition to which

ajouté 0,1 % en poids d'oléylsarcosine de la for-  added 0.1% by weight of oleylsarcosine from the

mule:mule:

GCHGCH

C17H34 - CO - N - CH2 - COOHC17H34 - CO - N - CH2 - COOH

Le résultat de l'essai donne un temps relatif de neutralisation de 176, ce qui montre l'influence  The result of the test gives a relative neutralization time of 176, which shows the influence

défavorable du dérivé de sarcosine sur le compor-  adverse effect of the sarcosine derivative on the

tement anti-rouille de l'alcoylsalicylate basique  anti-rusting effect of basic alkylsalicylate

de calcium.of calcium.

-7--7-

Claims (7)

REVENDICATIONS 1. - Une composition d'huile lubrifiante  1. - A lubricating oil composition comprenant une proportion majeure d'une huile lubri-  comprising a major proportion of a lubricating oil fiante et une proportion mineure de chacun des cons-  and a minor proportion of each of the tituants: I) un composé métallique soluble dans l'huile choisi parmi les sels basiques de métaux alcalins ou de métaux alcalino-terreux d'acides carboxyliques,  components: I) an oil-soluble metal compound selected from alkali metal or alkaline earth metal basic salts of carboxylic acids, d'acides sulfoniques, d'acides naphténiques et d'alcoyl-  sulphonic acids, naphthenic acids and alkyl phénols et II) un dithiophosphate de métal du groupe II, à base d'un alcool alcoxylé, de la formule: S O# R1 O(C2H4 0)x(C3H60)y - - (0C3H6) q(0C2H4)pOR2 S.Mi  phenols and II) a group II metal dithiophosphate, based on an alkoxylated alcohol, of the formula: ## STR5 ## wherein R 2 O (C 2 H 4 O) x (C 3 H 6 O) y - - (OC 3 H 6) q (OC 2 H 4) pOR 2 S.Mi dans laquelle R1 et R2 sont des radicaux d'hydrocarbu-  wherein R1 and R2 are hydrocarbon radicals res non-aromatiques ayant chacun de 1 à 30 atomes de carbone et dans laquelle x, y, p et q sont chacun des nombres de O à 10, x + y + p + q > 1, et M est  non-aromatic resins each having 1 to 30 carbon atoms and wherein x, y, p and q are each numbers from 0 to 10, x + y + p + q> 1, and M is choisi parmi Zn, Mg, Ca et Ba.selected from Zn, Mg, Ca and Ba. 2. - Une composition d'huile lubrifiante selon la revendication 1, caractérisée en ce que x = p est compris dans l'intervalle de 0 à 6 et  2. - A lubricating oil composition according to claim 1, characterized in that x = p is in the range of 0 to 6 and y = q est compris dans l'intervalle de 0 à 6.  y = q is in the range of 0 to 6. 3. - Une composition d'huile lubrifiante  3. - A lubricating oil composition selon l'une des revendications 1 ou 2, caractérisée  according to one of claims 1 or 2, characterized en ce que R1 et R2 sont des radicaux d'hydrocarbures  in that R1 and R2 are hydrocarbon radicals ayant chacun de 3 à 18 atomes de carbone.  each having 3 to 18 carbon atoms. 4. - Une composition d'huile lubrifiante  4. - A lubricating oil composition selon l'une des revendications précédentes, caracté-  according to one of the preceding claims, characterized risée en ce que M est Zn.in that M is Zn. 5. - Une composition d'huile lubrifiante -8-  5. - A lubricating oil composition -8- selon l'une des revendications précédentes, caractéri-  according to one of the preceding claims, characterized sée en ce que le composé I a un indice de basicité de  in that compound I has a basicity index of 2 à 10.2 to 10. 6. - Une composition d'huile lubrifiante selon la revendication 5, caractérisée en ce que le composé I est un alcoylsalicylate basique de calcium  6. - A lubricating oil composition according to claim 5, characterized in that the compound I is a basic calcium alkylsalicylate contenant de 6 à 20 atomes de carbone.  containing from 6 to 20 carbon atoms. 7. - Une composition d'huile lubrifiante  7. - A lubricating oil composition selon l'une des revendications précédentes, caractéri-  according to one of the preceding claims, characterized sée en ce qu'elle comprend de 85 à 99,45 % en poids d'une huile lubrifiante, de 0,5 à 10 % en poids de  in that it comprises from 85 to 99.45% by weight of a lubricating oil, from 0.5 to 10% by weight of composé I et de 0,05 à 5 % en poids de composé II.  compound I and from 0.05 to 5% by weight of compound II.
FR8103524A 1980-02-25 1981-02-23 LUBRICATING OIL COMPOSITION COMPRISING LUBRICATING OIL, BASIC METAL SALT, AND ALKYL ALOXYLATED DITHIOPHOSPHATE Granted FR2476675A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8006268A GB2070054B (en) 1980-02-25 1980-02-25 Lubricating oil comprising a basic metal salt and an alkoxylated metal dithiophosphate

Publications (2)

Publication Number Publication Date
FR2476675A1 true FR2476675A1 (en) 1981-08-28
FR2476675B1 FR2476675B1 (en) 1984-12-28

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Country Status (4)

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BE (1) BE887635A (en)
CA (1) CA1168650A (en)
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337654A (en) * 1963-12-12 1967-08-22 Universal Oil Prod Co Oxyalkylenated hydroxyhydrocarbon thiophosphates
US3390082A (en) * 1967-09-19 1968-06-25 Lubrizol Corp Lubricants containing metal-free dispersants and inhibitors
US3640872A (en) * 1968-10-25 1972-02-08 Texaco Inc Automatic transmission fluid
US3907704A (en) * 1971-12-23 1975-09-23 Lubrizol Corp Nitrogen-containing compositions useful as rust inhibitors in fuels and lubricants

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337654A (en) * 1963-12-12 1967-08-22 Universal Oil Prod Co Oxyalkylenated hydroxyhydrocarbon thiophosphates
US3390082A (en) * 1967-09-19 1968-06-25 Lubrizol Corp Lubricants containing metal-free dispersants and inhibitors
US3640872A (en) * 1968-10-25 1972-02-08 Texaco Inc Automatic transmission fluid
US3907704A (en) * 1971-12-23 1975-09-23 Lubrizol Corp Nitrogen-containing compositions useful as rust inhibitors in fuels and lubricants

Also Published As

Publication number Publication date
GB2070054A (en) 1981-09-03
GB2070054B (en) 1983-07-06
FR2476675B1 (en) 1984-12-28
CA1168650A (en) 1984-06-05
BE887635A (en) 1981-08-24

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