EP0342871B1 - Schmiermittelzusatzkonzentrat - Google Patents

Schmiermittelzusatzkonzentrat Download PDF

Info

Publication number
EP0342871B1
EP0342871B1 EP89304814A EP89304814A EP0342871B1 EP 0342871 B1 EP0342871 B1 EP 0342871B1 EP 89304814 A EP89304814 A EP 89304814A EP 89304814 A EP89304814 A EP 89304814A EP 0342871 B1 EP0342871 B1 EP 0342871B1
Authority
EP
European Patent Office
Prior art keywords
polyisobutylene
molecular weight
mixture
component
range
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.)
Expired - Lifetime
Application number
EP89304814A
Other languages
English (en)
French (fr)
Other versions
EP0342871A1 (de
Inventor
Anthony Garner
Thakor Kikabhai
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.)
Lubrizol Adibis Holdings UK Ltd
Original Assignee
BP Chemicals Additives Ltd
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
Application filed by BP Chemicals Additives Ltd filed Critical BP Chemicals Additives Ltd
Publication of EP0342871A1 publication Critical patent/EP0342871A1/de
Application granted granted Critical
Publication of EP0342871B1 publication Critical patent/EP0342871B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound 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
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/86—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of 30 or more atoms
    • C10M129/92—Carboxylic acids
    • C10M129/93—Carboxylic acids having carboxyl groups bound to acyclic or cycloaliphatic 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
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/86—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of 30 or more atoms
    • C10M129/95—Esters
    • 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
    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/52—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of 30 or more 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
    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/06—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing butene
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/026—Butene
    • 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
    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • 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
    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free 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
    • C10M2207/28—Esters
    • C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/086—Imides [having hydrocarbon substituents containing less than thirty 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/24—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions having hydrocarbon substituents containing thirty or more carbon atoms, e.g. nitrogen derivatives of substituted succinic acid
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/24—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions having hydrocarbon substituents containing thirty or more carbon atoms, e.g. nitrogen derivatives of substituted succinic acid
    • C10M2215/26—Amines
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/24—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions having hydrocarbon substituents containing thirty or more carbon atoms, e.g. nitrogen derivatives of substituted succinic acid
    • C10M2215/28—Amides; Imides
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/046—Polyamines, i.e. macromoleculars obtained by condensation of more than eleven amine monomers
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
    • 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
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/09—Complexes with metals
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • 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

Definitions

  • the present invention relates generally to lubricating oil additive concentrate compositions and their use in finished lubricating oil compositions.
  • the present invention relates to lubricating oil additive concentrate compositions having both dispersancy/detergency properties and viscosity improving properties and their use in finished lubricating oil compositions.
  • polyisobutylenes of medium to high molecular weight for example weight average molecular weights above about 10,000, typically greater than 40,000, act as viscosity index improvers in lubricating oil compositions.
  • Such viscosity index improvers for example polyisobutylenes having average molecular weights of 60,000 to 80,000 or more, exhibit virtually no dispersant or detergent properties. That is, they are monofunctional additives imparting to the lubricant only the desired viscosity index improving properties.
  • hydrocarbon viscosity index improvers are used in combination with one or more dispersant or detergent additives.
  • polyisobutylenes can be converted into detergent/dispersant additives for lubricating oil compositions.
  • the patent literature discloses the preparation of high molecular weight carboxylic acid acylating agents by reacting a polyisobutylene usually containing at least about 50 aliphatic carbon atoms with an unsaturated carboxylic acid or a derivative thereof, for example acrylic acid, fumaric acid and maleic anhydride, see for example US-A-3,024,237; US-A-3,087,936; US-A-3,172,892; US-A-3,215,707; US-A-3,219,666; US-A-3,231,587; US-A-3,245,910; US-A-3,272,746; GB-A-1,085,903; GB-A-1,162,436, GB-A-1,440,219 and many more, the foregoing only being representative of the many patent publications in this area.
  • multifunctional additives that is a single additive which exhibits both viscosity index improver and dispersant/detergent properties.
  • two approaches have been used to prepare multifunctional lubricant additives which exhibit both (a) fluidity modifying properties, especially viscosity index improver properties, and (b) dispersant and/or detergent properties.
  • One approach involves "suspending" from or "incorporating" into the hydrocarbon backbone of a high molecular weight polymer certain polar groups (usually carboxylic acid derivatives such as amides and esters).
  • the high molecular weight material so-produced continues to exhibit viscosity index improver properties attributable to its high molecular weight hydrocarbon backbone and dispersant/detergent properties attributable to the polar groups.
  • This approach is illustrated by US-A-3,702,300 and US-A-3,933,761.
  • the second general approach for preparing multifunctional lubricant additives involves modifying a dispersant/detergent additive so as to incorporate into the dispersant/detergent additive fluidity modifying properties, especially viscosity index improver properties. This approach is illustrated by US-A-3,219,666.
  • This patent is mainly concerned with acylated nitrogen derivatives of high molecular weight succinic acid acylating agents, which derivatives function as dispersant additives in lubricant compositions.
  • the acylating agents from which the dispersants are prepared are substituted succinic acylating agents preferably having a substituent derived from a polyisobutylene having a molecular weight of about 750-5000.
  • the patent teaches that, if viscosity index improving properties are desired in addition to the dispersant properties, the substituent should be derived from higher molecular weight polyisobutylene polymers, having molecular weights from about 10,000 to about 100,000 or higher.
  • a lubricating composition comprising a major amount of oil of lubricating viscosity and a minor amount of one or more carboxylic derivatives produced by reacting at least one substituted succinic acylating agent with a reactant selected from (a) an amine having within its structure at least one H-N ⁇ group, (b) an alcohol, (c) a reactive metal or reactive metal compound, and (d) a combination of two or more of any of (a) to (c), the components of (d) being reacted with said one or more substituted succinic acylating agents simultaneously or sequentially in any order, wherein said substituted succinic acylating agent(s) consist of substituent groups and succinic groups wherein the substituent groups are derived from polyalkene, preferably polyisobutylene, said polyalkene having an Mn value of 1300 to 5000 and
  • Lubricating oil additive packages are normally manufactured by an additive producer and sold on for blending into finished lubricating oils.
  • the additive package generally consists of a mixture of dispersants, detergents, extreme pressure/anti-wear agents, rust inhibitors and other additives for special applications. This package can be used at levels of between 1% and 25% in oil in the automotive field, and up to 40% in the marine field.
  • a viscosity index improver is added if multigrade performance is required.
  • the addition of viscosity index improvers (high molecular weight) to the normal package results in precipitation of the viscosity index improver (VII) rubber and/or the other components in the package. This is due to lack of solvent base oil in the additive carrier oil.
  • the VII can be a hydrocarbon VII of the ethylene/propylene (EP) copolymer, ethylene/propylene/diene (EPDM), polyisobutene (PIB), polystyrene, hydrogenated polyisoprene, hydrogenated polystyrene/butadiene types etc, or it can be a dispersant polymer such as a polymethacrylate, a dispersant EP, a dispersant EPDM or a dispersant PIB.
  • EP ethylene/propylene
  • EPDM ethylene/propylene/diene
  • PIB polyisobutene
  • dispersant polymer such as a polymethacrylate, a dispersant EP, a dispersant EPDM or a dispersant PIB.
  • PIBs a dispersant which not only has all the dispersant properties of a normal dispersant but also has a small VII contribution to the finished oil and most importantly it has complete compatability with all of the other additives in a typical additive package at conventionally used levels.
  • the blending of the PIBs can take place either before maleanisation and imidation and/or after maleanisation and imidation or at any time during the respective processes.
  • GB-A-1,398,067 discloses a detergent additive for a hydrocarbon distillate fuel comprising a mixture of a high molecular weight hydrocarbyl amine and a low molecular weight hydrocarbyl amine, the high molecular weight hydrocarbyl amine containing at least one hydrocarbyl group having an average molecular weight in the range of from 1900 to 5000 and the low molecular weight hydrocarbyl amine containing at least one hydrocarbyl group having an average molecular weight in the range from 300 to 600, the weight ratio of low molecular weight hydrocarbyl amine to high molecular weight hydrocarbyl amine being in the range 0.5:5:1.
  • the mixture of high and low molecular weight hydrocarbyl amines may also be used as dispersants and detergents in lubricating oils.
  • Such a mixture first of all in relation to the low molecular weight hydrocarbyl amine has a hydrocarbyl group of a lower molecular weight than the lowest molecular weight useful in the composition of the present invention, and secondly lacks an essential property of the compositions of the present invention in that there is no component present of a molecular weight sufficiently high to impart adequate viscosity index improver properties to the composition.
  • compositions for use as a multifunctional additive in finished lubricating oils which composition as a first component comprises an oil of lubricating viscosity, as a second component a derivative of a polyisobutylene-subsituted succinic acylating agent wherein the polyisobutylene substituent has a number average molecular weight in the range from about 700 to about 1475, as a third component a derivative of a polyisobutylene-substituted succinic acylating agent wherein the polyisobutylene substituent has a number average molecular weight in the range from about 1500 to about 5000 and as a fourth component a polyisobutylene having a number average molecular weight in the range from about 40,000 to about 400,000, the derivatives being formed by reacting the acylating agents either individually or in combination with either (a) an amine having within its structure at least one H-N group, (b) an alcohol, (c) a
  • the concentrate composition may simply be formed by mixing the individual components in the lubricating oil. However, it is preferred to produce a mixture of the second and third components by the steps of:-
  • the mixture obtained in steps (I) and (II) may thereafter be dissolved in the lubricating oil of the first component containing the polyisobutylene fourth component or may be mixed with the fourth component and the mixture dissolved in the lubricating oil.
  • the polyisobutylene having a number average molecular weight in the range from about 40,000 to 400,000 may be incorporated into the composition by mixing with the polyisobutylenes of number average molecular weight in the range 700 to 1475 and 1500 to 5000 respectively, reacting the mixture so-obtained in step (I) with the carboxylic acid to produce a mixture of polyisobutylene-substituted succinic acylating agents and unreacted polyisobutylene having a number average molecular weight in the range about 40,000 to about 400,000 and thereafter reacting with (a) to (d) in step (II).
  • the amount of derivatised polyisobutylene of number average molecular weight in the range from about 40,000 to about 400,000 in the final composition resulting from the modified preparative method will be relatively small because of the relatively small number of reactive sites present in such high molecular weight materials.
  • the present invention also provides a finished lubricating oil composition comprising a major proportion of an oil of lubricating viscosity and a minor proportion of the concentrate composition as hereinbefore described.
  • the amount of the concentrate composition in the finished lubricating oil may be in the range from 0.01 to 10% by weight.
  • Polyisobutylenes having number average molecular weights in the range from 700 to 1475, 1500 to 5000 and 40,000 to 400,000 are available commercially, for example from BP Chemicals Limited (Hyvis [RTM]), and may be used without further processing.
  • the succinic acylating moiety of the polyisobutylene-substituted succinic acylating agent may suitably have the formula: wherein X and X1 are the same or different provided that at least one of X and X1 is such that the substituted succinic acylating agents can function as carboxylic acylating agents. That is, at least one of X and X1 must be such that the substituted acylating agent can esterify alcohols, form amides or amine salts with ammonia or amines, form metal salts with reactive metals or basic metal compounds, and otherwise function as a conventional carboxylic acid acylating agent.
  • X and/or X1 may be -OH, -0-hydrocarbyl, -0 ⁇ M+ where M+ represents one equivalent of a metal, ammonium or amine cation, -NH2, -Cl, -Br, and together, X and X1 can be -0- so as to form the anhydride.
  • M+ represents one equivalent of a metal, ammonium or amine cation, -NH2, -Cl, -Br, and together, X and X1 can be -0- so as to form the anhydride.
  • the specific identity of any X or X1 group which is not one of the foregoing is not critical so long as its presence does not prevent the remaining group from entering into acylation reactions.
  • X and X1 are such that both carboxyl functions of the succinic group can enter into acylation reactions.
  • One of the unsatisfied valencies in the grouping of the formula (I) forms a carbon to carbon bond with a carbon in the substituent group. While other such unsatisfied valence may be satisfied by a similar bond with the same or different substituent group, all but the one aforesaid valence is usually satisfied by hydrogen.
  • the succinic groups will generally correspond to the formula:- wherein R and R1 are each independently either -OH, -Cl, 0-lower alkyl or taken together are -0-. In the latter case the succinic group is a succinic anhydride group. Preferably, the succinic group will corresponds to
  • the polyisobutene-substituted succinic acylating agents may be prepared in known manner by reacting a polyisobutylene or mixture as aforesaid with one or more of maleic acid, maleic anhydride, fumaric acid or fumaric anhydride, preferably either maleic acid or maleic anhydride. It is preferred to employ the thermal route in preference to the chlorination route as described in GB-A-1565627 in order to avoid contamination of the product with chlorine.
  • the polyisobutylene-substituted succinic acylating agent(s) is then reacted with (a) to (d) in known manner.
  • the amine (a) this may be either a monoamine or a polyamine.
  • the amine contains at least one primary amino group and more preferably the amine is a polyamine, most preferably a polyamine containing at least two H - N groups, either or both of which are primary or secondary.
  • Suitable amines and polyamines are described in, for example, US-A-3,087,936 and GB-A-1,565,627, the relevant content of which is incorporated by reference herein.
  • Preferred amines (a) include diethylene triamine, triethylene tetramine and tetraethylene pentamine.
  • this may be either a monohydric or a polyhydric alcohol, polyhydric alcohols being preferred. Suitable alcohols are described in GB-A-1,565,627, the relevant content of which is incorporated herein by reference.
  • Reactive metals and reactive metal compounds (c) are those which are known to form salts and complexes when reacted with carboxylic acid and carboxylic acid acylating agents. Further details of suitable compounds are disclosed in GB-A-1 ,565,627 the relevant parts of which are incorporated by reference herein.
  • the oil of lubricating viscosity present in both the concentrate composition and the finished lubricating oil composition may be the same or different.
  • the oil may be a natural oil or a synthetic oil or a mixture of oils. Suitable oils are those described in GB-A-1,565,627, the disclosure of which is incorporated by reference herein.
  • the finished lubricating oil may contain additional additives conventionally employed in lubricating oils. These may be added directly to the finished lubricating oil composition or may be added in the concentrate composition.
  • the concentrate composition of the present invention imparts to lubricating oils an increase in their high temperature viscosity characteristics whilst retaining or improving their low temperature viscosity characteristics and providing dispersancy/detergency properties.

Landscapes

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

Claims (10)

  1. Konzentrat-Zusammensetzung zur Verwendung als ein multifunktionelles Additiv in fertiggestellten Schmierölen, die als eine erste Komponente ein Öl von Schmierviskosität, als eine zweite Komponente ein Derivat eines Polyisobutylen-substituierten Bernsteinsäureacylierungsmittels, worin der Polyisobutylen-Substituent ein Zahlenmittel-Molekulargewicht im Bereich von etwa 700 bis etwa 1475 aufweist, als eine dritte Komponente ein Derivat eines Polyisobutylen-substituierten Bernsteinsäureacylierungsmittels, worin der Polyisobutylen-Substituent ein Zahlenmittel-Molekulargewicht im Bereich von etwa 1500 bis etwa 5000 aufweist, und als eine vierte Komponente ein Polyisobutylen mit einem Zahlenmittel-Molekulargewicht im Bereich von etwa 40 000 bis etwa 400 000, enthält, wobei die Derivate durch Umsetzen des acylierenden Mittels entweder einzeln oder in Kombination mit entweder (a) einem Amin, das in seiner Struktur zumindest eine H-N< Gruppe enthält, (b) einem Alkohol, (c) einem reaktiven Metall oder einer reaktiven Metallverbindung, oder (d) einer Mischung von zumindest zwei der Komponenten von (a) bis (c), gebildet werden, wobei die Komponenten von (d) mit dem bzw. den acylierenden Mitteln entweder gleichzeitig oder nacheinander in beliebiger Reihenfolge umgesetzt werden, der Polyisobutylen-Substituent der zweiten Komponente von 30 bis 94,8 Gewichtsprozent des gesamten in der Zusammensetzung vorhandenen Polyisobutylens ausmacht, der Polyisobutylen-Substituent der dritten Komponente von 5 bis 69,8 Gewichtsprozent des gesamten in der Zusammensetzung vorhandenen Polyisobutylens ausmacht und das die vierte Komponente bildende Polyisobutylen von 0,2 bis 5 Gewichtsprozent des gesamten in der Zusammensetzung vorhandenen Polyisobutylens ausmacht.
  2. Konzentrat-Zusammensetzung nach Anspruch 1, dadurch gekennzeichnet, daß man eine Mischung der zweiten und dritten Komponenten durch die nachfolgenden Stufen herstellt:
    (I) Umsetzen einer Mischung eines Polyisobutylens mit einem Zahlenmittel-Molekulargewicht im Bereich von etwa 700 bis etwa 1475 und einem Polyisobutylen mit einem Zahlenmittel-Molekulargewicht im Bereich von etwa 1500 bis etwa 5000 mit einer ungesättigten Carbonsäure oder einem Anhydrid derselben zur Bildung einer Mischung von Polyisobutylensubstituierten Bernsteinsäureacylierungsmitteln, und
    (II) Umsetzen der in Stufe (I) erhaltenen Mischung mit entweder (a) einem Amin, das innerhalb seiner Struktur zumindest eine H-N< Gruppe aufweist, (b) einem Alkohol, (c) einem reaktiven Metall oder einer reaktiven Metallverbindung, oder (d) einer Mischung von zumindest zwei der unter (a) bis (c) genannten Verbindungen, wobei die Komponenten von (d) mit dem oder den acylierenden Mitteln entweder gleichzeitig oder nacheinander in beliebiger Reihenfolge umgesetzt werden.
  3. Konzentrat-Zusammensetzung nach Anspruch 2, dadurch gekennzeichnet, daß die in den Stufen (I) und (II) erhaltene Mischung in dem Öl von Schmierviskosität (der ersten Komponente), enthaltend das Polyisobutylen mit einem Zahlenmittel-Molekulargewicht im Bereich von etwa 40 000 bis etwa 400 000 (die vierte Komponente), aufgelöst wird.
  4. Konzentrat-Zusammensetzung nach Anspruch 2, dadurch gekennzeichnet, daß die in den Stufen (I) und (II) erhaltene Mischung mit dem Polyisobutylen mit einem Zahlenmittel-Molekulargewicht im Bereich von etwa 40 000 bis etwa 400 000 (der vierten Komponente) gemischt und die so erhaltene Mischung in dem Öl von Schmierviskosität (der ersten Komponente) aufgelöst wird.
  5. Konzentrat-Zusammensetzung nach Anspruch 2, dadurch gekennzeichnet, daß das Polyisobutylen mit einem Zahlenmittel-Molekulargewicht im Bereich von etwa 40 000 bis 400 000 (die vierte Komponente) in die Zusammensetzung durch Mischen mit den Polyisobutylenen mit Zahlenmittel-Molekulargewicht im Bereich von 700 bis 1475 bzw. 1500 bis 5000 inkorporiert wird, Umsetzen der so erhaltenen Mischung in Stufe (I) mit der Carbonsäure zur Herstellung einer Mischung von Polyisobutylen-substituierten Bernsteinsäureacylierungsmitteln und nichtumgesetztem Polyisobutylen mit einem Zahlenmittel-Molekulargewicht im Bereich von etwa 40 000 bis etwa 400 000, und anschließendes Umsetzen mit entweder (a) bis (d) in Stufe (II).
  6. Konzentrat-Zusammensetzung nach irgendeinem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Polyisobutylen-substituierten Bernsteinsäureacylierungsmittel durch Umsetzen eines Polyisobutylens oder einer Mischung daraus mit einer oder mehr Verbindungen von Maleinsäure oder Maleinsäureanhydrid hergestellt werden.
  7. Konzentrat-Zusammensetzung nach Anspruch 6, dadurch gekennzeichnet, daß die Reaktion auf dem thermischen Weg durchgeführt wird.
  8. Konzentrat-Zusammensetzung nach irgendeinem der vorhergehenden Ansprüche,dadurch gekennzeichnet, daß das Derivat durch Umsetzen des acylierenden Mittels mit einem Amin, welches entweder Diethylentriamin, Triethylentetramin oder Tetraethylenpentamin ist, gebildet wird.
  9. Fertiggestellte Schmieröl-Zusammensetzung, dadurch gekennzeichnet, daß sie eine Hauptmenge eines Öls von Schmierviskosität und eine kleinere Menge der Konzentrat-Zusammensetzung der Ansprüche 1 bis 8 enthält.
  10. Fertiggestellte Schmieröl-Zusammensetzung nach Anspruch 9, dadurch gekennzeichnet, daß die Menge der Konzentrat-Zusammensetzung in der fertiggestellten Zusammensetzung im Bereich von 0,01 bis 10 Gewichtsprozent liegt.
EP89304814A 1988-05-14 1989-05-11 Schmiermittelzusatzkonzentrat Expired - Lifetime EP0342871B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888811473A GB8811473D0 (en) 1988-05-14 1988-05-14 Lubricating oil additive compositions
GB8811473 1988-05-14

Publications (2)

Publication Number Publication Date
EP0342871A1 EP0342871A1 (de) 1989-11-23
EP0342871B1 true EP0342871B1 (de) 1993-04-14

Family

ID=10636924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89304814A Expired - Lifetime EP0342871B1 (de) 1988-05-14 1989-05-11 Schmiermittelzusatzkonzentrat

Country Status (3)

Country Link
EP (1) EP0342871B1 (de)
DE (1) DE68905956T2 (de)
GB (1) GB8811473D0 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9118628D0 (en) * 1991-08-30 1991-10-16 Ici Canada Mixed surfactant system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2044708B1 (de) * 1969-04-01 1974-07-12 Lubrizol Corp
GB1365311A (en) * 1972-03-10 1974-08-29 Orobis Ltd Lubricants
GB2048935A (en) * 1979-05-05 1980-12-17 Orobis Ltd Lubricating Oils Containing Additives
US4863624A (en) * 1987-09-09 1989-09-05 Exxon Chemical Patents Inc. Dispersant additives mixtures for oleaginous compositions
CA1262721A (en) * 1985-07-11 1989-11-07 Jacob Emert Oil soluble dispersant additives useful in oleaginous compositions
CA1333596C (en) * 1986-10-16 1994-12-20 Robert Dean Lundberg High functionality low molecular weight oil soluble dispersant additives useful in oleaginous compositions

Also Published As

Publication number Publication date
GB8811473D0 (en) 1988-06-15
DE68905956D1 (de) 1993-05-19
EP0342871A1 (de) 1989-11-23
DE68905956T2 (de) 1993-07-22

Similar Documents

Publication Publication Date Title
US4089794A (en) Polymeric additives for fuels and lubricants
CA1180842A (en) Ethylene copolymer viscosity index improver - dispersant additive useful in oil compositions
EP0682102B1 (de) Schmierölzusätze
EP0688339B1 (de) Modifizierte bernsteinsäureimide mit hohem molekulargewicht
US3401118A (en) Preparation of mixed alkenyl succinimides
JPS59184205A (ja) オレフインポリマ−酸化減成法
JPS63170414A (ja) 油質組成物中に有用なラクトン変性、エステル化又はアミノ化添加剤及びそれを含有する組成物
US4094802A (en) Novel lubricant additives
JPS63178107A (ja) ラクトン変性付加物又は反応体及びそれを含有する油質組成物
JP2804139B2 (ja) 潤滑油添加物
CA1077194A (en) Additives for lubricants
JP2951011B2 (ja) 分散剤配合物
EP0438847B1 (de) Bernsteinsäureimid-Zusammensetzungen
EP0342871B1 (de) Schmiermittelzusatzkonzentrat
EP0039998B1 (de) Die Schlammbildung reduzierende Zusätze enthaltende Schmierölzusammensetzung
US4990274A (en) Flowable graft and derivatized polymer concentrate and lubricant containing same
US5587432A (en) Dispersants for lubricating oil
US5639716A (en) Oil soluble dispersant additives based on 1-butene-α olefin copolymers
JP3118008B2 (ja) 潤滑用油溶性添加剤およびその製造法
EP1141180A1 (de) Triazinderivate als dispergiermittel für schmiermittel und ktraftstoffe
JPS62236893A (ja) 燃料油添加剤
AU635507B2 (en) Lubricating oil additives
CA2085739C (en) Amido amine ashless dispersants
EP0336717A2 (de) Laktonmodifizierte Dispergierzusätze, verwendbar in öligen Zusammensetzungen
CA2278275A1 (en) Carboxylic compositions and derivatives thereof and use as lubricating oil and fuel additives

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE FR GB NL SE

17P Request for examination filed

Effective date: 19900517

17Q First examination report despatched

Effective date: 19901116

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19930322

Year of fee payment: 5

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE FR GB NL SE

REF Corresponds to:

Ref document number: 68905956

Country of ref document: DE

Date of ref document: 19930519

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19940512

EUG Se: european patent has lapsed

Ref document number: 89304814.0

Effective date: 19941210

EUG Se: european patent has lapsed

Ref document number: 89304814.0

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19950329

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19950330

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19950418

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19950531

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19950608

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19960511

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19960531

BERE Be: lapsed

Owner name: BP CHEMICALS (ADDITIVES) LTD

Effective date: 19960531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19961201

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19960511

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19970131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19970201

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 19961201

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST