EP1739156A2 - Additivzusammensetzung - Google Patents

Additivzusammensetzung Download PDF

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Publication number
EP1739156A2
EP1739156A2 EP06253442A EP06253442A EP1739156A2 EP 1739156 A2 EP1739156 A2 EP 1739156A2 EP 06253442 A EP06253442 A EP 06253442A EP 06253442 A EP06253442 A EP 06253442A EP 1739156 A2 EP1739156 A2 EP 1739156A2
Authority
EP
European Patent Office
Prior art keywords
composition according
additive composition
solid
release additive
miles
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.)
Withdrawn
Application number
EP06253442A
Other languages
English (en)
French (fr)
Other versions
EP1739156A3 (de
Inventor
Naresh C Mathur
Jr. Carl K Esche
Charles A Passut
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.)
Afton Chemical Corp
Original Assignee
Afton Chemical Corp
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 Afton Chemical Corp filed Critical Afton Chemical Corp
Publication of EP1739156A2 publication Critical patent/EP1739156A2/de
Publication of EP1739156A3 publication Critical patent/EP1739156A3/de
Withdrawn legal-status Critical Current

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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
    • C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
    • C10M175/0091—Treatment of oils in a continuous lubricating circuit (e.g. motor oil system)
    • 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
    • C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
    • C10M141/02—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic oxygen-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
    • C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
    • C10M141/08—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic sulfur-, selenium- or tellurium-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
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
    • 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
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
    • C10M159/22—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing phenol radicals
    • 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
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
    • C10M159/24—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
    • 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
    • C10M169/042—Mixtures of base-materials and additives the additives being compounds of unknown or incompletely defined constitution only
    • 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
    • C10M169/047—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and macromolecular compounds
    • 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
    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/003—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions used as base material
    • 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • 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
    • 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
    • C10M2205/022—Ethene
    • 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
    • C10M2205/024—Propene
    • 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
    • C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl 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
    • C10M2207/02—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
    • C10M2207/26—Overbased carboxylic 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
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40—Fatty vegetable or animal oils
    • C10M2207/401—Fatty vegetable or animal oils used as base material
    • 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular 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 type
    • C10M2209/084—Acrylate; Methacrylate
    • 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular 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 type
    • C10M2209/086—Macromolecular 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 type polycarboxylic, e.g. maleic 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
    • 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
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/72—Extended drain
    • 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
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/08—Solids

Definitions

  • the present disclosure relates to a release additive composition
  • a release additive composition comprising at least one overbased detergent present in a form chosen from a solid and a semi-solid.
  • Overbased detergents are generally salts or complexes having a large excess of base over that required to neutralize the oil-soluble anionic component of the detergent.
  • Overbased detergents are basic compounds which have been added to lubricant compositions to neutralize acidic degradation products and therefore maintain oil basicity.
  • the ability to retain the basicity of the lubricant composition throughout its life is a problem. Failure to maintain oil's basicity can dramatically increase a vehicle's downtime, for example by requiring more frequent oil changes than the recommended 20,000 or 30,000 miles, or dramatically shorten an engine's life.
  • the ability to retain the basicity in a lubricant composition can, for example, dramatically reduce the risk of sludge and high temperature deposit formation and corrosion plus reduce maintenance time-, and extend engine life.
  • a release additive composition comprising at least one overbased detergent present in a form chosen from a solid and a semi-solid; a lubricant composition including a major amount of a base oil, and a minor amount of a release additive composition comprising at least one overbased detergent present in a form chosen from a solid and a semi-solid; and optionally a method for improving the drain interval of engine oil comprising adding to a lubrication system a release additive composition comprising at least one overbased detergent present in a form chosen from a solid and a semi-solid.
  • the engines that can use the release additive composition include, but are not limited to internal combustion engines, stationary engines, generators, diesel and/or gasoline engines, on highway and/or off highway engines, two-cycle engines, aviation engines, piston engines, marine engines, railroad engines, biodegradable fuel engines and the like.
  • the engine can be equipped with after-treatment devices, such as exhaust gas recirculation systems, catalytic converters, diesel particulate filters, NO x traps, and the like.
  • the basicity of a lubricating oil can be maintained by using the release additive composition thereby effecting at least one of the following properties: reducing the risk of corrosion, reducing the maintenance time on a vehicle, and extending the engine life.
  • the basicity of the lubricating composition can be increased by contact with the release additive composition. It is believed, without being limited to any particular theory, that the use of the disclosed release additive composition can achieve at least one of the above disclosed properties because the disclosed overbased detergent will be slowly released into the lubricating composition thereby retaining the TBN of the lubricating composition over the life of the lubricating composition.
  • the life of the lubricating composition is dependent upon several factors including, but not limited to, engine operation, engine type, engine service, mileage of the vehicle, quality of the base oil in the lubricating composition, etc.
  • release as used herein is understood to mean that the components of the additive composition are released over an extended period of time, e.g., over the life of the lubricating composition.
  • the release rate can be moderated by several factors, such as, the location of the additive composition in the lubrication system, the additive composition formulation, the form of the composition, and/or the mode of addition of the additive composition into a lubricating composition.
  • One of ordinary skill in the art can modify any and/or all of the above factors in order to obtain the desired release rate of the additive composition.
  • the release additive composition can be located anywhere within a lubrication system so long as the additive composition will be in contact with a lubricating composition.
  • the release additive composition can be located in at least one of a filter, drain pan, oil bypass loop, canister, housing, reservoir, pockets of a filter, canister in a filter, mesh in a filter, canister in a bypass system, mesh in a bypass system, and the like.
  • the lubrication system can comprise an oil filter.
  • the oil filter can comprise the release additive composition disclosed herein.
  • the oil filter can comprise a housing, such as a sleeve or cup, that can be partitioned, for example with a non-diffusible barrier, thereby creating at least one pocket.
  • Each pocket can comprise an identical, similar and/or a different release additive composition wherein the composition can be in an identical, similar and/or different form, such as a semi-solid or solid form.
  • a non-limiting example of this concept includes one pocket comprising a release additive composition comprising an overbased detergent in a solid form and an antioxidant in a semi-solid form and a second pocket comprising a release additive composition comprising an overbased detergent in a semi-solid form.
  • the filter can be a desirable location to place the release additive composition because the additive composition and/or spent additive composition can easily be removed and then replaced with a new and/or recycled additive composition.
  • the release additive can be located anywhere within the lubrication system.
  • the release additive can be located outside of an oil filter on the "dirty” side or it can be located outside of the oil filter on the "clean” side.
  • the location of the release additive in the lubrication system is not critical so long as the release additive composition is in contact with a lubricating composition.
  • the release rate of the release additive formulation can be moderated by the formulation and/or the form of the additive composition.
  • the release additive composition can comprise at least one component that selectively dissolves completely or that is poorly oil-soluble and thus remains till the end of its service life, or combinations thereof.
  • the additive composition can be in the form of a semi-solid, solid, or combinations thereof.
  • Non-limiting examples include an oil filter comprising an overbased detergent in a semi-solid form, an oil filter comprising an overbased detergent in a solid form and an antioxidant in a semi-solid form, and an oil filter comprising a viscosity index improver in a semi-solid form and an overbased detergent in a solid form.
  • a “semi-solid” form as used herein is understood to mean one component having rigidity and viscosity intermediate between a solid and a liquid, for example the one component is not a liquid or free flowing at room temperature (23°C), for example, water is considered a free flowing liquid at room temperature.
  • the release rate of the additive composition can be controlled by varying the degree of solidity of the composition.
  • a semi-solid additive composition can have a faster release rate into a lubricating composition as compared to a solid additive composition.
  • One of ordinary skill in the art can select the form of the additive composition based upon the desired release rate.
  • the release additive composition can be added to the lubrication system by any known method depending on the desired form of the additive composition, the desired speed of addition, the desired release rate, the desired mode of operation and/or any of the combinations of the above.
  • the additive composition can be a semi-solid and can be added to the lubrication system by means of an injector pump, or a container in an oil filter.
  • the additive composition can be a solid and can be introduced into the lubricating oil system by means of an auger.
  • the release additive composition can be released into a lubricating composition slowly over a long period of time, such as the life of the lubricating composition, or quickly over a short period of time, but remain in the lubricating composition over the life of the lubricating composition.
  • the release additive composition can be present in the lubricating composition in any effective amount so long as the TBN of the lubricating composition is maintained or increased over the life of the lubricating composition.
  • the TBN of the lubricating composition can be maintained by adding the disclosed release additive composition to a lubricating composition.
  • the TBN of the lubricating composition can be increased by adding the disclosed release additive composition to a lubricating composition.
  • a lubricating composition can comprise a minor amount of the release additive composition.
  • a "minor amount” as used herein is understood to mean less than about 50%, such as for example less than about 40%, and as a further example from less than about 30% by weight relative to the total weight in the lubricating composition.
  • the lubricating composition can also comprise a major amount of a base oil.
  • the base oil can be selected from, for example, natural oils such as mineral oils, vegetable oils, paraffinic oils, naphthenic oils, aromatic oils, synthetic oils, derivatives thereof, and mixtures thereof.
  • the synthetic oils can comprise at least one of an oligomer of an alpha-olefin, an ester, an oil derived from a Fischer-Tropsch process, and a gas-to-liquid stock.
  • a "major amount" can be understood to mean greater than or equal to about 50%.
  • a release additive composition can comprise at least one overbased detergent.
  • the at least one overbased detergent can be in any form, such as a semi-solid, solid, or combinations thereof. If the release additive composition comprises other additives, such as an antioxidant or a non-dispersant viscosity index improver, then each additive present in the release additive composition can be in a different form.
  • the release additive composition can comprise an overbased detergent in the form of a semi-solid and an antioxidant in the form of a solid. Any and all variations and combinations of additives and forms are contemplated within the scope of the disclosure.
  • the "overbased detergent” is understood to mean a detergent chosen from overbased sulfonates, phenates, salicylates, carboxylates, and the like with a non-dispersant viscosity index improver.
  • the viscosity index improver can be an olefin copolymer.
  • the viscosity index improver can be grafted with maleic anhydride or other suitable carboxylic reagent known to those skilled in the art.
  • the overbased detergent can include, but is not limited to, overbased calcium sulfonate detergents which are commercially-available, overbased detergents containing metals such as Mg, Ba, Sr, Na, Ca, and K, and mixtures thereof.
  • the detergents can be used alone or in combination.
  • These commercially-available products can be formed by reacting carbon dioxide with mixtures of lime (calcium hydroxide) and an alkyl benzene sulfonate soap to form calcium carbonate-containing micelles. More than an equivalent amount of lime and carbon dioxide can be used so that the product detergent becomes basic in character.
  • TBN total base number
  • Overbased detergents with TBN's ranging from about 10 to about 600, for example from about 100 to about 500, and as a further example from about 200 to about 400. Where mixtures of overbased detergents are used, at least one should have a TBN value of at least 100.
  • the overbased detergent can comprise a functionalized olefin polymer, for example, the detergent can comprise a grafted olefin copolymer.
  • the terms "polymer” and “copolymer” are used interchangeably herein.
  • the functionalized olefin polymers used in one embodiment of the present disclosure can be grafted, olefin copolymers comprising a grafted copolymer prepared from ethylene and at least one C 3 to C 23 alpha-monoolefin and, optionally, a polyene; wherein the copolymer of ethylene and at least one C 3 to C 23 alpha-monoolefin has grafted thereon at least one carboxylic acid group, such as maleic anhydride.
  • the olefin copolymer useful in the present disclosure can in one embodiment have a number average molecular weight from about 5,000 to about 150,000.
  • the functionalized olefin copolymers useful herein are fully described in U.S. Pat.
  • the functionalized olefin polymer is a non-dispersant.
  • the overbased detergent can be present in the additive composition in any effective amount, such as from about 0% to about 100 wt. %, for example from about 10% to about 90 wt. %, and as a further example from about 20% to about 80 wt. % relative to the total weight of the release additive composition.
  • the release additive composition can further comprise an antioxidant.
  • Suitable antioxidants for use herein include, but are not limited to alkyl-substituted phenols such as 2,6-di-tertiary butyl-4-methyl phenol, phenate sulfides, phosphosulfurized terpenes, sulfurized esters, aromatic amines, diphenyl amines, alkylated diphenyl amines, hindered phenols, and mixtures thereof.
  • the antioxidant can be an amine, such as bis-nonylated diphenylamine, nonyl diphenylamine, octyl diphenylamine, bis-octylated diphenylamine, bis-decylated diphenylamine, decyl diphenylamine, and mixtures thereof.
  • the antioxidant can be a sterically hindered phenol, such as 2,6-di-tertbutylphenol, 4-methyl-2,6-di-tert-butyl-phenol, 4-ethyl-2,6-di-tert-butylphenol, 4-propyl-2,6-di-tert-butylphenol, 4-butyl-2,6-di-tert-butylphenol 2,6-di-tertbutylphenol, 4-pentyl-2,6-di-tert-butylphenol, 4-hexyl-2,6-di-tert-butylphenol, 4-heptyl-2,6-di-tert-butylphenol, 4-(2-ethylhexyl)-2,6-di-tert-butylphenol, 4-octyl-2,6-di-tert-butylphenol, 4-nonyl-2,6-di-tert-butylphenol, 4-decyl-2,6
  • Another suitable antioxidant can be a hindered, ester-substituted phenol, which can be prepared by heating a 2,6-dialkylphenol with an acrylate ester under base catalysis conditions, such as aqueous KOH.
  • the antioxidant can be present in the release additive composition in any effective amount, such as from about 0% to about 100%, for example from about 5% to about 90%, and as a further example from about 10% to about 50% by weight relative to the total weight of the release additive composition.
  • the release additive can also further comprise a viscosity index improver.
  • the viscosity index improver is nitrogen-free.
  • nitrogen-free viscosity index improvers include polyacrylates obtained from the polymerization or copolymerization of at least one alkyl acrylate.
  • Functionalized polymers can also be used. Among the common classes of such polymers can be olefin copolymers and acrylate or methacrylate copolymers. Functionalized olefin copolymers can be, for instance, terpolymers of ethylene and propylene which are grafted with an active monomer such as maleic anhydride and then derivatized with an alcohol.
  • viscosity index improvers Solid, oil-soluble polymers such as the PIB, methacrylate, polyalkylstyrene, ethylene/propylene and ethylene/propylene/1,4-hexadiene polymers, can also be used as viscosity index improvers. Nitrogen-free viscosity index improvers are known and commercially available.
  • the viscosity index improver can be present in any effective amount, for example from about 0% to about 80%, for example from about 0% to about 40%, and as a further example from about 0% to about 25% by weight relative to the total weight of the release additive composition
  • the release additive composition can also include other additives such as dispersants, detergents, graphite, molybdenum disulfide, magnesium carbonate, silica, alumina, titania, magnesium oxide, calcium carbonate, lime, clay, zeolites, extreme pressure (EP) agents, wear reduction agents, seal swell agents, antifoaming agents, friction reducing agents, anti-misting agents, cloud-point depressants, pour-point depressants, mineral and/or synthetic oils mixtures thereof and combination thereof.
  • additives can be used alone or in combination, such as in an optional additional additive package.
  • Lubricant compositions such as modern motor oils, can be made by combining a pre-formed additive package with a refined or synthetic base oil stock.
  • a lubricant composition can comprise various different lubricant additive packages. Because lubricant additives can be easier to handle and measure in liquid form those additives which are normally solid can be dissolved in small amounts of base oil stock.
  • a method for improving the drain interval of an engine oil comprising adding to a lubrication system the disclosed release additive composition.
  • the disclosed release additive composition can be added to an oil filter located in a truck having an engine chosen from a manufacturer in Table 1.
  • the release additive composition can extend the drain interval beyond the typical fleet drain interval, such as beyond about 15,000 miles for Detroit Diesel and International, and for example beyond about 25,000 miles for Caterpillar, Mack, and Volvo, and as a further example beyond about 35,000 miles for Cummins.
  • the engine drain interval can be extended to at least about 50,000 miles, for example at least about 75,000, and as a further example at least about 100,000. Table 1.
  • the disclosed release additive composition can be added to an oil filter located in a passenger car having an engine chosen from a manufacturer in Table 2.
  • the release additive composition can extend the drain interval beyond the typical fleet drain interval, such as beyond about 5,000 miles for Ford/Lincoln/Mercury/Ford Trucks, and for example beyond about 7,500 miles for Acura and other manufacturers, and as a further example beyond about 10,000 miles for Audi, Jaguar, Saab, and Volkswagen.
  • the engine drain interval can be extended to at least about 25,000 miles, for example at least about 35,000, and as a further example at least about 50,000. Table 2.

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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)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Lubricants (AREA)
EP06253442A 2005-07-01 2006-06-30 Additivzusammensetzung Withdrawn EP1739156A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/174,172 US20070004601A1 (en) 2005-07-01 2005-07-01 Additive composition

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EP1739156A2 true EP1739156A2 (de) 2007-01-03
EP1739156A3 EP1739156A3 (de) 2008-11-05

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GB2453019A (en) * 2007-09-18 2009-03-25 Afton Chemical Corp Slow release liquid additive concentrate for engine oil filter
RU2461609C1 (ru) * 2011-07-13 2012-09-20 Федеральное автономное учреждение "25 Государственный научно-исследовательский институт химмотологии Министерства обороны Российской Федерации" Пакет присадок к моторным маслам и масло, его содержащее

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US20090101561A1 (en) 2007-10-19 2009-04-23 The Lubrizol Corporation Filter Cap Additive Delivery System
KR100864084B1 (ko) * 2008-07-15 2008-10-16 주식회사 대덕지질 스프링의 압축력을 이용한 정착부 팽창 가압식 앵커 및시공방법
CN102388120A (zh) * 2009-02-09 2012-03-21 卢布里佐尔公司 改进官能流体性能的方法
US20100210487A1 (en) 2009-02-16 2010-08-19 Chemtura Coproration Fatty sorbitan ester based friction modifiers

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RU2461609C1 (ru) * 2011-07-13 2012-09-20 Федеральное автономное учреждение "25 Государственный научно-исследовательский институт химмотологии Министерства обороны Российской Федерации" Пакет присадок к моторным маслам и масло, его содержащее

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JP2007009209A (ja) 2007-01-18
US20070004601A1 (en) 2007-01-04

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