EP4514930A1 - Schmiermittelzusammensetzungen und verfahren zur trockenschmierung von oberflächen damit - Google Patents

Schmiermittelzusammensetzungen und verfahren zur trockenschmierung von oberflächen damit

Info

Publication number
EP4514930A1
EP4514930A1 EP23724027.0A EP23724027A EP4514930A1 EP 4514930 A1 EP4514930 A1 EP 4514930A1 EP 23724027 A EP23724027 A EP 23724027A EP 4514930 A1 EP4514930 A1 EP 4514930A1
Authority
EP
European Patent Office
Prior art keywords
oil
composition
fatty alcohol
acid
vegetable oil
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.)
Pending
Application number
EP23724027.0A
Other languages
English (en)
French (fr)
Inventor
Priya Satish SINGH
Uday Chaudhari
Kedar CHAUDHARI
Pratik HANDE
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.)
Diversey Inc
Original Assignee
Diversey Inc
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 Diversey Inc filed Critical Diversey Inc
Publication of EP4514930A1 publication Critical patent/EP4514930A1/de
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular 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
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • C10M173/025—Lubricating compositions containing more than 10% water not containing mineral or fatty oils for lubricating conveyor belts
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/02—Water
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/085—Phosphorus oxides, acids or 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C10M2207/08—Aldehydes; Ketones
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    • 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
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/123—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/124—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms containing hydroxy groups; Ethers thereof
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C10M2207/284—Esters of aromatic 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
    • C10M2207/40—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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40—Fatty vegetable or animal oils
    • C10M2207/402—Castor oils
    • 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
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    • 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
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
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    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
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    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
    • 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
    • C10M2209/12—Polysaccharides, e.g. cellulose, biopolymers
    • 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
    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
    • C10M2211/024—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aromatic
    • 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
    • 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
    • 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
    • C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/16—Nitriles
    • C—CHEMISTRY; METALLURGY
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/223—Five-membered rings containing nitrogen and carbon only
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    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
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    • 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
    • C10N2030/04—Detergent property or dispersant property
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    • 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
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    • 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
    • C10N2030/16—Antiseptic; (micro) biocidal or bactericidal
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    • 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
    • C10N2030/40—Low content or no content compositions
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/38—Conveyors or chain belts

Definitions

  • This disclosure relates to the lubricant compositions and the methods of dry lubricating surfaces, particularly during conveyor transport of containers.
  • wet lubrication process is used to address the friction problem.
  • Fatty acid-based or fatty amine-based lubricant compositions are commonly used for the wet lubrication process.
  • the lubricant composition is diluted with water at, e.g., a dilution ratio of from about 1 : 100 to about 1 : 1000, to form an aqueous wet lubricant solution prior to its use for the wet lubrication process. Copious amounts of such aqueous wet lubricant solution must be applied to the conveyor belt continuously to ensure the proper high speed conveyor operation.
  • Dry lubrication process has been used to address the aforementioned drawback of the wet lubrication process.
  • Silicon-based compositions are commonly used as the dry lubricant compositions for the dry lubrication process.
  • Dry lubricant composition typically contains less than 50% by weight of water, and it is applied to the surfaces of conveyor belt and/or containers without dilution.
  • the dry lubrication process employs significantly lower amount of water and consumes reduced operation and energy costs, compared to the wet lubrication process.
  • a lubricant composition that comprises vegetable oil; nonionic surfactant; from about 0% to about 15% by weight of water based on total weight of the composition; optionally biocide; and optionally chelating agent, wherein a weight ratio of the vegetable oil to the nonionic surfactant is in a range of from about 1 :1 to about 9: 1.
  • the lubricant composition comprises from about 0% to about 10% by weight of water, preferably from about 0% to about 5% by weight of water, based on total weight of the composition.
  • the lubricant composition is substantially free of water.
  • the amount of vegetable oil is from about 40% to about 90% by weight, preferably from about 40% to about 80% by weight, based on total weight of the composition.
  • the amount of nonionic surfactant is from about 10% to about 40% by weight based on total weight of the composition.
  • the lubricant composition may further comprise ester of fatty alcohol, wherein the fatty alcohol includes from about 4 to about 28 carbon atoms.
  • the weight ratio of vegetable oil to ester of fatty alcohol is in a range of from about 1 : 1 to about 20: 1.
  • the ester of fatty alcohol is present in an amount of from about 4% to about 40% by weight based on total weight of the composition.
  • the lubricant composition is substantially free of silicon-based compound, mineral oil, fatty acid, fatty amine, or any combination thereof.
  • a lubricant composition that comprises vegetable oil in an amount of from about 40% to about 90% by weight; nonionic surfactant in an amount of from about 10% to about 40% by weight; water in an amount of from about 0% to about 15% by weight based on total weight of the composition; optionally biocide; and optionally chelating agent.
  • the lubricant composition comprises from about 0% to about 10% by weight of water, preferably from about 0% to about 5% by weight of water, based on total weight of the composition.
  • the lubricant composition is substantially free of water.
  • the vegetable oil is present in an amount of from about 40% to about 80% by weight, based on total weight of the composition.
  • the weight ratio of vegetable oil to nonionic surfactant is in a range of from about 1 : 1 to about 9: 1 .
  • the lubricant composition may further comprise ester of fatty alcohol, wherein the fatty alcohol includes from about 4 to about 28 carbon atoms. In some embodiments, the ester of fatty alcohol is present in an amount of from about 4% to about 40% by weight based on total weight of the composition. In some embodiments, the weight ratio of vegetable oil to ester of fatty alcohol is in a range of from about 1 : 1 to about 20:1. In some embodiments, the lubricant composition is substantially free of silicon-based compound, mineral oil, fatty acid, fatty amine, or any combination thereof.
  • a method of lubricating surface comprises (i) applying the lubricant composition of the first or second aspect discontinuously to the surface without diluting the lubricant composition prior to the application, wherein the lubricant composition provides an initial coefficient of friction of from about 0.07 to about 0.17 on the surface; (ii) applying water intermittently to the surface, wherein the water facilitates removal of blackness from the surface; (iii) monitoring a coefficient of friction on the surface and reapplying the lubricant composition discontinuously to the surface when the monitored coefficient of friction on the surface increases to about 0.17; and (iv) continuing to apply water intermittently to the surface to facilitate the removal of blackness from the surface.
  • the initial coefficient of friction is in a range of from about 0.07 to about 0.15, and the lubricant composition is re-applied discontinuously to the surface when the monitored coefficient of friction on the surface increases to about 0.15.
  • the water is applied to the surface intermittently at every one hour after the application of lubricant composition.
  • applying the water intermittently to the surface is performed using a non-energized spray nozzle, an energized spray nozzle, a metered diaphragm pump, a brush applicator, or any combination thereof.
  • water is applied when the blackness is visually observed on the surface.
  • water is applied at a minimum of one hour after the application of lubricant composition.
  • water is applied at every one hour after the application of lubricant composition.
  • a method of lubricating surface comprises applying the lubricant composition of the first or second aspect discontinuously to the conveyor belt without diluting the lubricant composition prior to the application.
  • the method further comprises re-applying said lubricant composition discontinuously to the surface when the coefficient of friction on the surface increases to a selected value.
  • the lubricant composition is re-applied discontinuously to the surface when the coefficient of friction on the surface increases to about 0.17.
  • no intermittently application of water to the surface is required.
  • the surface comprises a container-contacting surface of conveyor belt, a container surface in contact with the conveyor belt, or both.
  • the container-contacting surface of conveyor belt comprises stainless steel.
  • the container surface in contact with the conveyor belt comprises glass.
  • the container-contacting surface of conveyor belt comprises stainless steel, and the container surface in contact with the conveyor belt comprises glass.
  • Application of the lubricant composition can be carried out using any suitable technique including, but are not limited to, spraying, wiping, brushing, drip coating, roll coating, and other methods for application of a thin film.
  • applying the lubricant composition discontinuously to the surface is performed using a non-energized spray nozzle; an energized spray nozzle such as, but not limited to, a high pressure spray nozzle, a compressed air, a sonication applicator to deliver the lubricant on the top, between, and/or below the conveyor belt; a controlled dosing applicator that allows the application of lubricant composition to the surface at an accurate and low dosage level according to the pre-set rate of application; a metered diaphragm pump; a peristaltic pump; a valveless rotating reciprocating piston metering pump; a brush applicator; or any combination thereof.
  • a non-energized spray nozzle such as, but not limited to, a high pressure spray nozzle, a compressed air, a sonication applicator to deliver the lubricant on the top, between, and/or below the conveyor belt
  • a controlled dosing applicator that allows the application of lubricant composition to the surface at an accurate
  • the low dosage level is in a range of from about 0.1 ml/min to about 10 ml/minute.
  • FIGURE 1 is a graph showing the comparative levels of blackness for the tested lubricant compositions at different time periods after an application to the conveyor belt.
  • the present disclosure generally relates to the lubricant compositions and the methods of dry lubricating surfaces that offer a reduced friction between the surfaces to ensure the good gliding contact, and provide an improved efficacy in removing the blackness that is one of the major drawbacks for the conventional methods of dry lubrication.
  • any numerical range recited herein includes all values from the lower value to the upper value. For example, if a concentration range is stated as 1 % to 50%, it is intended that values such as 2% to 40%, 10% to 30%, or 1% to 3%, etc., are expressly enumerated in this specification. These are only examples of what is specifically intended, and all possible combinations of numerical values between and including the lowest value and the highest value enumerated are to be considered to be expressly stated in this application.
  • substantially free means that a lubricant composition does not contain such particular compound, or such particular compound has not been added intentionally to the lubricant composition. Should such particular compound be present through contamination, the amount of such particular compound shall be less than 0.5% by weight, preferably less than 0.1% by weight.
  • weight percent refers to the concentration of a component as the weight of that component divided by the total weight of the composition and multiplied by 100. Unless indicated otherwise, all concentrations are expressed as weight percentage concentrations.
  • an effective amount of a lubricant composition refers to the amount of such composition to achieve a desired level of lubricity, which can be determined based on the coefficient of friction (COF) value.
  • COF coefficient of friction
  • dry lubricant or “dry lubricant composition” refers to a lubricant composition that is used without dilution with water prior to an application to surface.
  • the method of dry lubrication does not require copious amount of water; therefore; it is much more economical to operate than the method of wet lubrication.
  • the method of dry lubrication typically requires approximately 1.5 to 20 milliliters of the dry lubricant per hour to be applied to the surface such as conveyor belt; whereas, the method of wet lubrication requires approximately 10 to 30 liters of an aqueous dilute solution of wet lubricant per hour to be applied.
  • the presently disclosed lubricant compositions and the methods of dry lubrication are cost effective due to the reduced amount of required water, afford an excellent lubricity between the surfaces during the transport of containers on the conveyor belt, and also provide an improved efficacy in removing the blackness that is one of the major drawbacks for the conventional methods of dry lubrication.
  • the lubricant composition comprises the nonionic surfactant in an amount of at least about 10%, about 15%, about 20% or about 25% by weight based on total weight of the composition; and/or no more than about 25%, about 30%, about 35% or about 40% by weight based on total weight of the composition. In some embodiments, the lubricant composition comprises the nonionic surfactant in an amount of from about 10% to about 40% by weight based on total weight of the composition.
  • a weight ratio of the vegetable oil to the nonionic surfactant is in a range of at least about 1 :1 , about 1.5:1 , about 2: 1 , about 2.5: 1 , about 3: 1 , about 3.5:1 , about 4: 1 , about 4.5: 1 , about 5: 1 ; and/or no more than about 5: 1 , about 5.5: 1 , about 6:1 , about 6.5: 1 , about 7: 1 , about 7.5: 1 , about 8: 1 , about 8.5: 1 or about 9:1.
  • a weight ratio of the vegetable oil to the nonionic surfactant is in a range of from about 1 : 1 to about 9: 1.
  • the ester of fatty alcohol is present in an amount of at least about 4%, about 6%, about 8, about 10%, about 12.5%, about 15%, about 17.5%, about 20%, about 22.5% or about 25% by weight based on total weight of the composition; and/or no more than about 25%, about 27.5%, about 30%, about 32.5%, about 35%, about 37.5% or about 40% by weight based on total weight of the composition.
  • the lubricant composition comprises the ester of fatty alcohol in an amount of from about 4% to about 40% by weight based on total weight of the composition.
  • a weight ratio of the vegetable oil to the ester of fatty alcohol is in a range of at least about 1 : 1 ; about 2:1 , about 4: 1 , about 6: 1 , about 8: 1 , about 10:1 or about 12:1 ; and/or no more than about 10: 1 , about 12; 1 , about 14:1 , about 16: 1 , about 18:1 or about 20:1.
  • a weight ratio of the vegetable oil to the ester of fatty alcohol is in a range of from about 1 : 1 to about 20: 1 .
  • the lubricant composition comprises: vegetable oil in an amount of from about 40% to about 90% by weight, preferably from about 40% to about 80% by weight; nonionic surfactant in an amount of from about 10% to about 40% by weight; ester of fatty alcohol, wherein the fatty alcohol includes from about 4 to about 28 carbon atoms; water in an amount of from about 0% to about 15% by weight, preferably from about 0% to about 5% by weight of water, based on total weight of the composition; optionally a biocide; and optionally a chelating agent; [0056]
  • the dry lubricant composition is substantially free of silicon-based compound, mineral oil, fatty acid, fatty amine, or any combination thereof.
  • vegetable oil as well as processed vegetable oil, is a triglyceride of fatty acids, wherein the fatty acid is saturated fatty acid, unsaturated fatty acid, or a combination thereof.
  • the vegetable oil is extracted from plant sources such as seed, fruit, leave or any other parts of plant.
  • vegetable oils include sunflower oil, rapeseed oil, soybean oil, grape seed oil, cocoa butter oil, almond oil, avocado oil, Brazil nut oil, cashew oil, cashew nut shell oil, neem oil, linseed oil, double boiled linseed oil, chia seed oil, coconut oil, corn oil, cottonseed oil, flaxseed oil, hemp seed oil, vigna mungo oil, mustard oil, olive oil, palm oil, lesquerella oil, canola oil, peanut oil, pecan oil, perilla oil, rice bran oil, safflower oil, sesame oil, walnut oil, meadowfoam oil, castor oil, or the like.
  • the oil extracted from plant source comprises sunflower oil, rapeseed oil, soybean oil, grape seed oil, cocoa butter oil, or any mixture thereof.
  • the vegetable oil comprises a blend of the oil extracted from the plant source and at least one of the processed vegetable oil selected from polymerized vegetable oil, heat treated vegetable oil, boiled vegetable oil, double boiled vegetable oil, blown vegetable oil, fully oxidized vegetable oil, partially oxidized vegetable oil, waste vegetable oil, recycled vegetable oil, or any mixture thereof.
  • the vegetable oil comprises the oil extracted from the plant source in an amount of at least about 50%, about 55%, about 60%, about 65%, about 70% or about 75% by weight based on total weight of the vegetable oil; and/or no more than about 80%, about 85%, about 90%, about 95% or 100% by weight based on total weight of the vegetable oil. In some embodiments, the vegetable oil comprises from about 60% to about 100% by weight of the oil extracted from the plant source, based on total weight of the vegetable oil.
  • Nonionic surfactants suitable for the present disclosure include, but are not limited to: fatty alcohol surfactant such as cetyl alcohol, oleyl alcohol; fatty alcohol alkoxylate surfactant such as fatty alcohol ethoxylate, fatty alcohol propoxylate, fatty alcohol ethoxylate/propoxylate; fatty alcohol alkoxylate carboxylate such as fatty alcohol ethoxylate carboxylate, fatty alcohol propoxylate carboxylate, fatty alcohol ethoxylate/propoxylate carboxylate; sorbitan ester surfactant; sorbitan ethoxylated ester surfactant; or any combination thereof.
  • fatty alcohol ethoxylate surfactant include castor oil ethoxylate surfactant, ethoxylated esters of oleic acid, or the like.
  • the nonionic surfactant comprises fatty alcohol alkoxylate having the following chemical structure
  • R is an alkyl group containing 6 to 24 carbon atoms
  • Y is H or CH 3 ,
  • /7 is a number ranging from about 3 to about 50
  • m is a number ranging from about 0 to about 3.
  • the nonionic surfactant comprises fatty alcohol ethoxylate that includes C6-24 alkyl group and from about 3 to about 50 ethylene oxide repeating units.
  • the nonionic surfactant comprises fatty alcohol ethoxylate that includes from C12-24 alkyl group (i.e. , R is an alkyl group containing 12 to 24 carbon atoms) and from about 3 to about 14 ethylene oxide repeating units (i.e., n is from 3 to about 14). In some embodiments, the nonionic surfactant comprises fatty alcohol ethoxylate that includes from C12-14 alkyl group and 9 ethylene oxide repeating units.
  • Non-limiting examples of the fatty alcohol ethoxylate surfactants include lauryl alcohol ethoxylate surfactant, C9-C11 alcohol ethoxylate surfactant, C12-C13 alcohols ethoxylate surfactant, C12-14 alcohol ethoxylate surfactant, C12-15 alcohol ethoxylate surfactant, C14-C15 alcohol ethoxylate surfactant, or the like.
  • Sorbitan ester surfactant may include, but are not limited to, sorbitan monoester, sorbitan diester, sorbitan triester, or any combination thereof.
  • Non-limiting examples of the sorbitan ester surfactants include sorbitan monooleate, sorbitan monolaurate, sorbitan monostearate, sorbitan monopalmitate, sorbitan tristearate, sorbitan trioleate, sorbitan sesquioleate, or a combination thereof.
  • Sorbitan ethoxylated ester surfactant may include, but are not limited to, sorbitan ethoxylated monoester, sorbitan ethoxylated diester, sorbitan ethoxylated triester, or any combination thereof.
  • sorbitan ethoxylated ester surfactant includes ethoxylated sorbitan mono-, di-, and/or tri-esters with linear or branched long chain fatty acids.
  • Non-limiting examples of the sorbitan ethoxylated ester surfactants include polyoxyethylene sorbitan trioleate, ethoxylated sorbitan monolaurate, polyoxyethylene (20) sorbitan monolaurate, polyoxyethylene (20) sorbitan monopalmitate, polyoxyethylene (20) sorbitan monostearate, polyoxyethylene (20) sorbitan monooleate, or any mixture thereof.
  • the ester of fatty alcohol for the present disclosure is the ester of fatty alcohol, wherein the fatty alcohol includes from about 4 to about 28 carbon atoms.
  • the ester of fatty alcohol is a blend of at least two esters of the fatty alcohols.
  • the ester of fatty alcohol comprises monoester of fatty alcohol.
  • the ester of fatty alcohol has the following chemical structure: wherein:
  • Ri includes from about 3 to about 15 carbon atoms, preferable from about 5 to about 9 carbon atoms, most preferably from about 7 to about 9 carbon atoms; and 2 includes from about 4 to about 28 carbon atoms, preferable from about 8 to about 20 carbon atoms, most preferably from about 12 to about 18 carbon atoms.
  • 1 is an alkyl chain comprising from about 7 to about 9 carbon atoms
  • Ra is an alkyl chain comprising from about 12 to about 18 carbon atoms.
  • esters of fatty alcohols include, but are not limited to, salicylate ester of fatty alcohol, caproate ester of fatty alcohol, caprylate ester of fatty alcohol, caprate ester of fatty alcohol, or any mixture thereof.
  • the ester of fatty alcohol comprises tridecyl salicylate, dodecyl salicylate, decyl salicylate, octyl salicylate, 2-ethylhexyl salicylate, lauryl caproate, myristyl caproate, oleyl caproate, linoleyl caproate, linolenyl caproate, palmityl caproate, palmitoleyl caproate, stearyl caproate, lauryl caprylate, myristyl caprylate, oleyl caprylate, linoleyl caprylate, linolenyl caprylate, palmityl caprylate, palmitoleyl caprylate, stearyl caprylate, lauryl caprate, myristyl caprate, oleyl caprate, linoleyl caprylate, linolenyl caprylate, palmityl caprylate, palmitoleyl capry
  • the disclosed dry lubricant composition may comprise biocide as an optional ingredient.
  • biocide also emconpass any antimicrobial agent.
  • suitable biocides include, but are not limited to, quaternary ammonium salt, chlorobenzene, isothiazolinone, alcohol, amine, organic acid, aldehyde, phenol-based biocide, benzotriazole, 2,2-dibromo-2-cyanoacetamide, 3,5-dimethyl-1 ,3,5-thiadiazinane-2- thione, or any combination thereof.
  • quaternary ammonium salts include, but are not limited to, alkyl benzalkonium chloride, alkyl dimethylbenzylammonium chloride, dialkyl dimethyl ammonium chloride, alkyl dimethyl ethylbenzylammonium chloride, or any combination thereof.
  • chlorobenzene biocides include, but are not limited to, chlorhexidine, triclosan, chloroxylenol, dichlorohydroxydiphenylether, or any combination thereof.
  • isothiazolinone biocides include, but are not limited to, 2-methyl- 4-isothiazolin-3-one; 5-chloro-2-methyl-4-isothiazolin-3-one; 1,2-benzisothiazolin-3-one, or any combination thereof.
  • alcohol biocides include, but are not limited to, phenoxyethanol; benzyl alcohol, 1,2-hexanediol, bronopol, ethylhexylglycerin, butylated hydroxytoluene, paraben, butylated hydroxy anisole, or any combination thereof.
  • amine biocides include, but are not limited to, (N-(3- aminopropyl)-N-dodecylprododecylpropane-1 ,3-diamine; sodium hydroxymethylglycinate; imidazolidinyl urea; or any combination thereof.
  • organic acid biocides include, but are not limited to, salicylic acid, benzoic acid, propionic acid, lactic acid, capric acid, caprylic acid, undecylinic acid, glycolic acid, pellargonic acid, formic acid, sorbic acid, malic acid, ascorbic acid, furoic acid, polygluamic acid, boric acid, or any combination thereof.
  • aldehyde biocides include, but are not limited to, succinaldehyde, glutaraldehyde, or any combination thereof.
  • phenol-based biocides include, but are not limited to, butylated hydroxytoluene, butylated hydroxy anisole, paraben, derivatives of paraben, or any combination thereof.
  • Tested lubricant composition #4 which contained 70% by weight of vegetable oil and 30% by weight of nonionic surfactant, provided the %Reflectance Change value of about 7 after one hour of the lubricant application, and about 5 after six hours of the lubricant application. This indicated that Tested lubricant composition #4 allowed for an improved removal of blackness from the conveyor belt.
  • the examply dry lubricant of present disclosure provided similar levels of the lubricity performance and the blackness removal efficacy as the commercial wet lubricant.
  • the examply dry lubricant of present disclosure allowed for the water saving of at least 85% compared to the commercial wet lubricant.
  • the disclosed dry lubricant allowed for 100% water saving.

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  • General Chemical & Material Sciences (AREA)
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  • Organic Chemistry (AREA)
  • Lubricants (AREA)
EP23724027.0A 2022-04-23 2023-04-21 Schmiermittelzusammensetzungen und verfahren zur trockenschmierung von oberflächen damit Pending EP4514930A1 (de)

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US4451267A (en) * 1982-09-29 1984-05-29 The United States Of America As Represented By The Secretary Of Agriculture Microemulsions from vegetable oil and aqueous alcohol with trialkylamine surfactant as alternative fuel for diesel engines
CA2377827C (en) * 1999-07-22 2010-10-19 Unilever Plc Method for lubricating a conveyor belt surface
DE10146264A1 (de) * 2001-09-20 2003-04-17 Ecolab Gmbh & Co Ohg Verwendung von O/W-Emulsionen zur Kettenschmierung
WO2006023317A1 (en) * 2004-08-18 2006-03-02 The Lubrizol Corporation Lubricant compositions containing seal conditioning agents
US7741257B2 (en) * 2005-03-15 2010-06-22 Ecolab Inc. Dry lubricant for conveying containers
EP2105493B1 (de) * 2008-03-25 2014-05-14 Diversey, Inc. Trockenschmierverfahren mit Schmiermitteln auf Ölbasis
WO2017176244A1 (en) * 2016-04-04 2017-10-12 Halliburton Energy Services, Inc. Lubricant for drilling and drill- in fluids
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