WO2021219455A1 - Composition lubrifiante et son utilisation - Google Patents

Composition lubrifiante et son utilisation Download PDF

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Publication number
WO2021219455A1
WO2021219455A1 PCT/EP2021/060351 EP2021060351W WO2021219455A1 WO 2021219455 A1 WO2021219455 A1 WO 2021219455A1 EP 2021060351 W EP2021060351 W EP 2021060351W WO 2021219455 A1 WO2021219455 A1 WO 2021219455A1
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WO
WIPO (PCT)
Prior art keywords
lubricant composition
weight
acid
esters
oil
Prior art date
Application number
PCT/EP2021/060351
Other languages
German (de)
English (en)
Inventor
Stefan Seemeyer
Patrick WITTMEYER
Danijela GRAD
Erika PAULUS
Maria FRACKOWIAK
Balasubramaniam Vengudusamy
Max Sommer
Original Assignee
Klueber Lubrication Muenchen Se & Co. Kg
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 Klueber Lubrication Muenchen Se & Co. Kg filed Critical Klueber Lubrication Muenchen Se & Co. Kg
Priority to JP2022545834A priority Critical patent/JP7425882B2/ja
Priority to US17/996,623 priority patent/US20230203396A1/en
Priority to CN202180031034.5A priority patent/CN115443322A/zh
Priority to EP21721438.6A priority patent/EP4143277A1/fr
Priority to KR1020227022293A priority patent/KR20220112270A/ko
Publication of WO2021219455A1 publication Critical patent/WO2021219455A1/fr
Priority to JP2024006779A priority patent/JP2024041988A/ja

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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
    • 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
    • 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
    • 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
    • C10M2207/10—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
    • C10M2207/126—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 monocarboxylic
    • 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
    • C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic 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
    • C10M2207/28—Esters
    • C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
    • C10M2207/2815—Esters of (cyclo)aliphatic monocarboxylic acids 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy compounds
    • C10M2207/2835—Esters of polyhydroxy compounds 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/102—Polyesters
    • 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
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl 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
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
    • C10M2215/065—Phenyl-Naphthyl amines
    • 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
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • 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
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • 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
    • C10N2030/18—Anti-foaming property
    • 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
    • C10N2030/36—Seal compatibility, e.g. with rubber
    • 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
    • C10N2040/02—Bearings

Definitions

  • the object of the present invention was therefore to provide lubricants or lubricant compositions which show improved compatibility with sealing materials, in particular elastomers, and have excellent tribological properties, so that they have improved sliding behavior, a reduction in the stick-slip effect ("Sti ck-SI i p- Effect ”), as well as having a positive influence on the microspot resistance, and which are suitable for use as gear, roller bearing and plain bearing oil for general industry.
  • a further object of the present invention was to provide minimally toxic, i.e. NSF / H1 -certified lubricants which are suitable and which are also suitable for use as gear, roller bearing and plain bearing oils for general industry, including applications in the food processing industry show the above-mentioned advantageous properties in terms of seal compatibility and sliding behavior.
  • Lubricant composition an organic compound that comprises both a polar and a non-polar part, as a slip improver, the organic compound having a relative permittivity e G in the range from 1.5 to 10, and where a quotient J Si / i-S2 der organic compound is in the range from 1 to 25.
  • the organic compound C) contains both a polar and a non-polar part, that is, it is made up of one or more identical or different polar molecular parts and one or more identical or different non-polar molecular parts, which results in a specific relative polarity.
  • Polar parts of the molecule in the context of the invention can be all polar, functional groups known to the person skilled in the art.
  • Preferred examples of organic compounds which can advantageously be used as slip improvers in the lubricant composition according to the invention are the following compounds, but are not limited to them: Maleic acid-olefin copolymers (commercially available, for example, as Ketjenlube® 135, Ketjenlube® 2700, Ketjenlube® 23000 ); modified polyesters (commercially available e.g. as Perfad TM 3000, Perfad TM 3050); Polymethyl methacrylate (PMMA), linear polymers and star polymers (commercially available e.g. as Lubrizol 87725); Oleic acid, in particular mixtures of C16-C18 fatty acids and C18 unsaturated fatty acids (commercially available e.g.
  • the base oil is selected from polyalphaolefins (PAOs), metallocene polyalphaolefins (mPAOs), white oils, ferns-based oils, estolides and oil-soluble polyglycols, and mixtures of two or more thereof.
  • PAOs polyalphaolefins
  • mPAOs metallocene polyalphaolefins
  • white oils ferns-based oils
  • estolides and oil-soluble polyglycols
  • mixtures of two or more thereof are advantageous in terms of their biodegradability (i.e., biodegradable e.g.
  • the lubricant composition according to the invention also contains, as a further component B), at least one additive as an additive which improves a desired property of the lubricant.
  • additives or additives known in the art are antioxidants, anti-wear additives, high-pressure additives, friction reducers, anti-corrosion agents,
  • the lubricant composition therefore contains at least one additive selected from antioxidants, anti-wear additives, high-pressure additives,
  • the oxidation stability of the lubricant composition can be further improved and thus an increase in (thermal) stability can be achieved.
  • antioxidants according to the invention are benzolamine, N-phenyl, reaction products with 2,4,4-trimethylpentene, octadecyl-3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate, bis (4- ( 1, 1, 3,3-tetramethylbutyl) phenyl) amine, N - [(1, 1,3,3-
  • the corrosion protection agent is selected from the group of carboxylic acid Metal salts, sulfonic acid metal salts, benzosulfonic acid metal salts, naphthalenesulfonic acid metal salts, benzoic acid metal salts and naphthoic acid metal salts and naphthenic acid metal salts, as well as their Derivatives, including linear and branched aliphatic and aromatic derivatives of the acid salts, which can also be substituted with one or more radicals selected from linear and / or branched alkyl radicals and aryl radicals, where Na, Ca, K- and Mg salts are particularly preferred; and partially neutralized or unneutralized dicarboxylic acid derivatives, such as succinic acid half-esters.
  • neutral or neutralized acid salts or metal salts are understood as meaning acid salts or metal salts which have an acid number (TAN) of 30 mg KOH / g or less.
  • Examples of particularly preferred non-ferrous metal deactivators or ion complexing agents are benzotriazole and tolyltriazole and derivatives thereof, N, N-bis (2-ethylhexyl) -ar-methyl-1H-benzotriazole-1-methanamine, and a reaction mixture composed of N, N-bis ( 2-ethylhexyl) -6- methyl-1H-benzotriazole-1-methanamine, N, N-bis (2-ethylhexyl) -4-methyl-2H-benzotriazole-2-methanamine, N, N-bis (2-ethylhexyl) -5-methyl-2H-benzotriazole-2-methanamine, N, N-bis (2-ethylhexyl) -4-methyl-1H-benzotriazole-1-methylamine and N, N-bis (2-ethylhexyl) -5- methyl-1H-benzotriazole-1-methylamine, without being restricted to this
  • the lubricant composition according to the invention can also contain one or more wear protection agents, friction reducers and / or extreme pressure additives.
  • Suitable wear protection agents, friction reducers and high-pressure additives are preferably selected from amines, amine phosphates, branched and / or linear alkylated phosphates, phosphites, thiophosphates, and phosphorothionates, aryl phosphates, aryl thiophosphates, alkylated polysulfides, sulfurized amine compounds, sulfurized fatty acid methyl esters, sulfurized fatty acid methyl esters, Al22, sulfurized fatty acid methyl esters , T1O2, ZrÜ 2 , WO3, Ta 2 0 5 , V2O5, CeÜ 2 , Aluminum titanate, BN, MoSh, SiC, S13N4, TiC, TiN, ZrB2, clay minerals and their mixtures, sulfonic acid salts, and thermally stable carbonates and
  • the lubricant composition according to the invention can also contain one or more solid lubricants.
  • Suitable solid lubricants are preferably selected from PTFE, boron nitride, zinc oxide, magnesium oxide, pyrophosphates, thiosulfates, magnesium carbonate, calcium carbonate, calcium stearate, zinc sulfide, molybdenum sulfide, tungsten sulfide, tin sulfide, graphite, graphene, nano tubes, Si0 2 modifications, and mixtures of two or more of this, without being limited to it.
  • Suitable solid lubricants are available for purchase.
  • the lubricant composition according to the invention can also contain one or more defoamers in order to prevent the formation of solid foams.
  • Suitable defoamers are preferably selected from ethoxylated and / or propoxylated alcohols with chain lengths of 10-18 carbon atoms, mono- and diglycerides of edible fats, acrylates, propoxylated and / or ethoxylated alkyl ethers, polyols including diols, and polysiloxanes such as silicone oils or polydimethylsiloxanes, as well as mixtures of two or more of these, without being limited thereto.
  • the at least one ester compound has a kinematic viscosity of at least 130 mm 2 / s at 40 ° C.
  • the kinematic viscosity of the at least one ester compound is particularly preferably in the range from 130-1500 mm 2 / s at 40 ° C., more preferably in the range from 130-1300 mm 2 / s at 40 ° C., each measured in accordance with ASTM D 7042 .
  • the lubricant composition of the present invention contains:
  • Total weight of the lubricant composition the constituents present adding up to a total of 100% by weight and components A), B), C) and D) being as defined above.
  • the present invention therefore relates in a further aspect to a lubricant composition, in particular for use as gear oil, roller bearing oil and plain bearing oil in the marine area and in inland waters, as well as in machines and machine elements on land that can come into contact with water and / or aqueous media , containing as components:
  • ester compounds are particularly preferred with regard to the biocompatibility or biodegradability of the lubricant composition.
  • ester compounds are pentaerythritol tetraisostearate, pentaerythritol isostearate sebacate complex ester, trimethylolpropane trisostearate,
  • Trimethylolpropane trioleate Trimethylolpropane trioleate, trimethylolpropane tricaprylate, trimethylolpropane isostearate stearate sebacate complex ester, neopentyl glycol diisostearate, without being restricted to this.
  • Antioxidants selected from phenolic antioxidants, aminic antioxidants, preferably linear or branched aliphatic amine compounds and aromatic amine compounds and salts thereof, the aliphatic and aromatic compounds having one or more radicals selected from linear and / or branched alkyl radicals and aryl Residues that can be substituted, phosphites, phosphorothionates and thiocarbamates, aminic antioxidants being particularly preferred;
  • Defoamers selected from ethoxylated and / or propoxylated alcohols with chain lengths of 10-18 carbon atoms, polyols including diols, acrylates and polysiloxanes, polysiloxanes being particularly preferred;
  • the specified amounts each refer to the total weight of the lubricant composition and the constituents contained add up to a total of 100% by weight
  • the organic compound has a relative permittivity e G in the range from 1.5 to 10, preferably 1.7 to 8, particularly preferably from 2 to 7, and most preferably from 2.3 to 5, and where a quotient ⁇ Si / J-S2 of the organic compound in the range from 1 to 25, preferably from 1.3 to 22, particularly preferably 1.7 to 17, and most preferably from 2 to 14, where J Si ”is the sum of the area (s) of the IR absorption band (s) in the wavenumber range 3100-2750 cm -1 in an ATR spectrum of the organic compound, and “J S2” denotes the sum of the area (s) of the IR absorption band (s) in the wavenumber range 1800-1650 cm -1 in an ATR spectrum of the organic compound.
  • the lubricant composition according to the invention is
  • Example 16 Effect of the slip improver on the slip properties of lubricants
  • Example 18 Determination of the sliding behavior with elastomer as friction partner by means of DES (Dynamic Elastomer Screening):
  • the tests are carried out with a "ring-disc tribometer" under further development of the structure described by Sommer M. and Haas W. ([1] Sommer, M., Haas, W. "A new approach on grease tribology in sealing technology: Influence of the thickener particles ", Tribology International (2016), 103, 574-583).
  • FKM elastomer material is used as the test material.
  • the counter body is a steel counter body
  • micropitting resistance test stand PCS Instruments, London, UK. Micropittings describe damage to gear contacts.
  • the test roller is cleaned using a solvent to remove residual oil and the weight of the roller is determined and the track track is taken with an optical microscope.
  • the ability of a lubricant composition with regard to its resistance to micropitting is assessed by the weight loss (comparison of weight before and after measurement) of the roller (see FIG. 5A) and by changing the wear track width (see FIG. 5B).

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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

La présente invention concerne des compositions lubrifiantes et leur utilisation en tant qu'huile de transmission, huile de palier à roulement ou huile de palier lisse pour l'industrie en général et dans le domaine marin et le domaine des eaux fraîches, ainsi que dans des éléments de machines et de machines en mer qui peuvent entrer en contact avec de l'eau et/ou des milieux aqueux.
PCT/EP2021/060351 2020-04-27 2021-04-21 Composition lubrifiante et son utilisation WO2021219455A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2022545834A JP7425882B2 (ja) 2020-04-27 2021-04-21 潤滑剤組成物およびそれらの使用
US17/996,623 US20230203396A1 (en) 2020-04-27 2021-04-21 Lubricant composition and use thereof
CN202180031034.5A CN115443322A (zh) 2020-04-27 2021-04-21 润滑剂组合物及其用途
EP21721438.6A EP4143277A1 (fr) 2020-04-27 2021-04-21 Composition lubrifiante et son utilisation
KR1020227022293A KR20220112270A (ko) 2020-04-27 2021-04-21 윤활제 조성물 및 윤활제 조성물의 용도
JP2024006779A JP2024041988A (ja) 2020-04-27 2024-01-19 潤滑剤組成物およびそれらの使用

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020111392.7A DE102020111392A1 (de) 2020-04-27 2020-04-27 Schmierstoffzusammensetzung und deren Verwendung
DE102020111392.7 2020-04-27

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WO2021219455A1 true WO2021219455A1 (fr) 2021-11-04

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US (1) US20230203396A1 (fr)
EP (1) EP4143277A1 (fr)
JP (2) JP7425882B2 (fr)
KR (1) KR20220112270A (fr)
CN (1) CN115443322A (fr)
DE (1) DE102020111392A1 (fr)
WO (1) WO2021219455A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114891552A (zh) * 2022-05-06 2022-08-12 孚迪斯石油化工（葫芦岛）有限公司 一种风电偏航变桨系统防锈齿轮油、生产装置及制备方法

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DE102022111794B3 (de) * 2022-05-11 2023-03-30 Fuchs Petrolub Se Basisöl und Schmierfluidzusammensetzung enthaltend das Basisöl

Citations (6)

* Cited by examiner, † Cited by third party
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