WO2023085386A1 - Composition lubrifiante présentant des propriétés antirouille - Google Patents

Composition lubrifiante présentant des propriétés antirouille Download PDF

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WO2023085386A1
WO2023085386A1 PCT/JP2022/042002 JP2022042002W WO2023085386A1 WO 2023085386 A1 WO2023085386 A1 WO 2023085386A1 JP 2022042002 W JP2022042002 W JP 2022042002W WO 2023085386 A1 WO2023085386 A1 WO 2023085386A1
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mass
lubricating oil
sulfonate
oil composition
rust
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PCT/JP2022/042002
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English (en)
Japanese (ja)
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裕太 橋本
将宏 羽村
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株式会社ハイレックスコーポレーション
日本グリース株式会社
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Publication of WO2023085386A1 publication Critical patent/WO2023085386A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M163/00—Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/26—Carboxylic acids; 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
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/68—Esters
    • C10M129/74—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
    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M133/12—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/16—Amides; Imides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/38—Heterocyclic nitrogen compounds
    • C10M133/44—Five-membered ring containing nitrogen and carbon 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
    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/52—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of 30 or more atoms
    • C10M133/56—Amides; Imides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/08—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium containing a sulfur-to-oxygen bond
    • C10M135/10—Sulfonic acids or derivatives 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
    • 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

Definitions

  • the present invention particularly relates to a lubricating oil composition that can impart excellent rust prevention properties to wire ropes.
  • the lubricating oil composition which is assumed to be mixed with water or steam and circulates for a long period of time in a system under a high-temperature environment, is required to have antirust properties.
  • Patent Document 1 discloses that the sludge suppression effect is high even for long-term use in a high temperature environment, and it is used for turbomachinery, compressors, hydraulic equipment, or machine tools, which has excellent anti-emulsification and anti-corrosion properties.
  • a lubricating oil composition is described.
  • An object of the present invention is to provide a lubricating oil composition capable of imparting excellent anticorrosive properties, particularly to wire ropes.
  • a lubricating oil composition containing a base oil, a sorbitan fatty acid ester, an overbased magnesium sulfonate, and a given additive can solve the above problems, and completed the present invention. rice field.
  • the present invention [1] From base oil, sorbitan fatty acid ester, overbased magnesium sulfonate, calcium sulfonate, calcium sulfonate complex, zinc sulfonate, barium sulfonate, fatty acid zinc, amine oleate, alkenylsuccinic acid polyimide, and benzotriazole derivative
  • a rust-preventive lubricating oil composition containing at least one additive selected from the group consisting of [2] The rust-preventive lubricating oil composition according to [1] above, wherein the total content of the overbased magnesium sulfonate and the additive is 5 to 40% by mass; [3] The rust preventive lubrication according to [1] or [2] above, wherein the content of the overbased magnesium sulfonate is 25 to 90% by mass with respect to the total content of the overbased magnesium sulfonate and the additive.
  • a lubricating oil composition that can impart excellent rust prevention properties, particularly to wire ropes.
  • a method for producing a rust-preventive lubricating oil composition (hereinafter sometimes simply referred to as a lubricating oil composition) according to the present embodiment will be described in detail below.
  • a rust-preventive lubricating oil composition hereinafter sometimes simply referred to as a lubricating oil composition
  • the lubricating oil composition according to this embodiment contains base oil, sorbitan fatty acid ester, overbased magnesium sulfonate, and calcium sulfonate as essential components.
  • the content of each of the above components contained in the lubricating oil composition according to the present embodiment is appropriately selected from the ranges described so that the total content in the lubricating oil composition is 100% by mass or less. can do.
  • the base oil is not particularly limited, and conventionally used as a base oil for lubricating oils, mineral oil, synthetic oil, gas liquefied oil (GTL oil) synthesized by the Fischer-Tropsch process from natural gas, vegetable oil, animal oil, etc. Any one can be appropriately selected and used from among.
  • One type of base oil may be used alone, or two or more types may be used in combination.
  • Mineral oils include, for example, atmospheric residual oils obtained by atmospheric distillation of crude oils such as paraffinic mineral oils, intermediate base mineral oils, and naphthenic mineral oils; distillate oils obtained by vacuum distillation of the atmospheric residual oils; Mineral oil obtained by subjecting the distillate to one or more refining treatments such as solvent deasphalting, solvent extraction, hydrofinishing, solvent dewaxing, catalytic dewaxing, isomerization dewaxing, and vacuum distillation. . These mineral oils may be used singly or in combination of two or more.
  • Synthetic oils include diester synthetic oils such as dibutyl sebacate, di-2-ethylhexyl sebacate, dioctyl adipate, diisodecyl adipate, ditridecyl adipate, ditridecyl glutarate, and methyl acetyl sinolate; trioctyl trimellitate; , tridecyl trimellitate, tetraoctyl pyromellitate, etc.
  • Aromatic ester synthetic oils Polyol ester-based synthetic oils; Ester-based synthetic oils such as complex ester oils, which are oligoesters of polyhydric alcohols and mixed fatty acids of dibasic and monobasic acids; polyethylene glycol, polypropylene glycol, polyethylene glycol monoether, polypropylene glycol mono polyglycol-based synthetic oils such as ethers; phenyl ether-based synthetic oils such as monoalkyltriphenyl ether, alkyldiphenyl ether, dialkyldiphenyl ether, pentaphenyl ether, tetraphenyl ether, monoalkyltetraphenyl ether, and dialkyltetraphenyl ether; dimethylpolysiloxane , diphenylpolysiloxane, and alkyl-modified polysiloxane; and fluorine-based synthetic oils such as perfluoropolyether. These synthetic oils may be used singly or in combination of two or
  • the kinematic viscosity of the base oil is not particularly limited, but the kinematic viscosity at 40° C. is, for example, in the range of 4 to 1000 mm 2 /s, 5 to 800 mm 2 /s, 6 to 600 mm 2 /s, 7 to 500 mm 2 /s. can do.
  • the kinematic viscosity of the base oil in this specification is a value measured using a glass capillary viscometer according to JIS K 2283:2000.
  • the content of the base oil in the lubricating oil composition is not particularly limited, but is preferably 10 to 85% by mass, more preferably 14 to 75% by mass, further preferably 18 to 68% by mass, and further 20 to 63% by mass. 22 to 58% by weight is particularly preferred.
  • the lubricating oil composition according to the present embodiment contains sorbitan fatty acid ester as an essential component. By blending the sorbitan fatty acid ester, the rust prevention property of the lubricating oil composition can be improved.
  • fatty acid that constitutes the sorbitan fatty acid ester a saturated or unsaturated fatty acid originating from an animal or vegetable oil is preferably used.
  • the number of carbon atoms in the fatty acid is preferably 6-22, preferably 8-20, more preferably 10-18.
  • the number of carbon atoms in the fatty acid referred to here is the number including the carbon atoms in the carboxylic acid group.
  • Fatty acids may be linear, branched or cyclic, but linear is preferred.
  • fatty acids include caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, lignoceric acid, oleic acid, elaidic acid, linoleic acid, linolenic acid, and erucic acid. etc.
  • sorbitan fatty acid ester at least one hydroxyl group in sorbitan should be esterified with a fatty acid.
  • sorbitan fatty acid esters include sorbitan monooleate, sorbitan monostearate, sorbitan monoisostearate, sorbitan monopalmitate, sorbitan monolaurate, sorbitan trioleate, sorbitan tristearate, sorbitan sesquistearate, Sorbitan sesquioleate, sorbitan sesquiisostearate, sorbitan coconut oil fatty acid, and the like.
  • it preferably contains a mono-fatty acid sorbitan ester.
  • These sorbitan fatty acid esters may be used singly or in combination of two or more.
  • the content of the sorbitan fatty acid ester in the lubricating oil composition is preferably 10 to 40% by mass, more preferably 12 to 38% by mass, further preferably 15 to 35% by mass, from the viewpoint of rust prevention, and 18 to 32% by mass. % is particularly preferred.
  • the lubricating oil composition according to the present embodiment contains overbased magnesium sulfonate (overbased Mg sulfonate) as an essential component.
  • overbased magnesium sulfonate overbased Mg sulfonate
  • a synergistic effect with the additives described below can significantly improve the rust prevention properties of the lubricating oil composition.
  • the overbased magnesium sulfonate may be used singly or in combination of two or more.
  • the base number of the overbased magnesium sulfonate is preferably 100-500 mgKOH/g, more preferably 150-500 mgKOH/g, still more preferably 200-500 mgKOH/g, and particularly preferably 250-450 mgKOH/g.
  • the base number is measured by a potentiometric titration method (base number/hydrochloric acid method) in accordance with JIS K 2501:2003.
  • the content of the overbased magnesium sulfonate in the lubricating oil composition is preferably 1 to 35% by mass, more preferably 2 to 30% by mass, more preferably 3 to 25% by mass, from the viewpoint of rust prevention, 21% by weight is more preferred, and 5 to 18% by weight is particularly preferred.
  • the lubricating oil composition according to this embodiment consists of calcium sulfonate, calcium sulfonate complex, zinc sulfonate, barium sulfonate, fatty acid zinc, amine oleate, alkenyl succinic acid polyimide, and benzotriazole derivative along with overbased magnesium sulfonate. It is characterized by the combined use of at least one additive selected from the group.
  • At least one additive selected from the group consisting of calcium sulfonate, calcium sulfonate complex, zinc sulfonate, and barium sulfonate is preferred, calcium sulfonate and/or calcium sulfonate complex are more preferred, and calcium sulfonate is even more preferred.
  • the calcium sulfonate according to this embodiment can be a neutral salt, a basic salt, an overbased salt, or a mixture thereof.
  • a neutral salt for example, by reacting an alkylaromatic sulfonic acid directly with a base such as an oxide or hydroxide of calcium, or by converting it into an alkali metal salt such as a sodium salt or potassium salt and then substituting it with calcium.
  • neutral calcium sulfonate neutral Ca sulfonate
  • basic calcium sulfonate basic Ca sulfonate
  • overbased calcium sulfonate overbased Ca sulfonate
  • Ca sulfonate may also contain calcium carbonate. Such calcium sulfonates may be used singly or in combination of two or more.
  • the base number of calcium sulfonate is not particularly limited.
  • the base number of the neutral calcium sulfonate is preferably 0 to 50 mgKOH/g, more preferably 0 to 30 mgKOH/g, even more preferably 0 to 20 mgKOH/g.
  • the base value of basic calcium sulfonate or overbased calcium sulfonate is preferably more than 50 mgKOH/g and 500 mgKOH/g or less, more preferably 70 to 500 mgKOH/g, further preferably 70 to 450 mgKOH/g.
  • the overbased calcium sulfonate preferably has a base value of 100 to 500 mgKOH/g, more preferably 150 to 500 mgKOH/g, still more preferably 200 to 500 mgKOH/g, and particularly preferably 250 to 450 mgKOH/g.
  • the calcium sulfonate complex comprises calcium sulfonate and calcium carbonate, (i) higher fatty acid calcium salts such as calcium behenate, calcium stearate, calcium hydroxystearate, calcium palmitate and calcium octylate, and (ii) calcium acetate. and (iii) a calcium salt (calcium soap) selected from inorganic acid calcium salts such as calcium borate.
  • a mixture of calcium sulfonate, calcium carbonate, and at least two selected from the group consisting of calcium behenate, calcium stearate, calcium hydroxystearate, calcium acetate, and calcium borate is preferred.
  • the same fatty acid that constitutes sorbitan fatty acid ester can be suitably used.
  • amine oleate examples include dicyclohexylamine oleate, polyetheramine oleate, beef tallow diamine oleate, and the like.
  • benzotriazole derivatives include 1,2,3-benzotriazole, N,N-bis(2-ethylhexyl)-(4 or 5)-methyl-1H-benzotriazole-1-methylamine, 1-[N , N-bis(2-ethylhexyl)aminomethyl]-benzotriazole, 1-[(2-ethylhexyl)aminomethyl]-benzotriazole and the like.
  • the content of the additive in the lubricating oil composition is preferably 1 to 30% by mass, more preferably 2 to 25% by mass, further preferably 3 to 21% by mass, and 4 to 18% by mass, from the viewpoint of rust prevention. is more preferred, and 5 to 15% by mass is particularly preferred.
  • the total content of the overbased magnesium sulfonate and the additive in the lubricating oil composition is preferably 5 to 40% by mass, more preferably 7 to 35% by mass, more preferably 9 to 30% by mass, from the viewpoint of rust prevention.
  • 10 to 25% by weight is particularly preferred.
  • the content of the overbased magnesium sulfonate with respect to the total content of the overbased magnesium sulfonate and the additive is preferably 20 to 98% by mass, more preferably 25 to 95% by mass, further preferably 25 to 90% by mass, and 30 ⁇ 90% by mass is more preferable, 32 to 85% by mass is more preferable, 35 to 85% by mass is more preferable, 40 to 80% by mass is more preferable, 45 to 80% by mass is more preferable, and 50 to 80% by mass is more preferable. Especially preferred.
  • the lubricating oil composition according to this embodiment may further contain one or more of the compounding agents listed below.
  • Other compounding agents include, for example, overbased magnesium sulfonate, calcium sulfonate, calcium sulfonate complex, zinc sulfonate, barium sulfonate, other metallic detergents other than fatty acid zinc, rust inhibitors other than sorbitan fatty acid esters, and thickeners. Viscous agents, waxes, antioxidants, antiwear agents, friction modifiers, extreme pressure agents, ashless dispersants, viscosity index improvers, metal deactivators, oiliness agents, pour point depressants, antifoaming agents, etc. be done.
  • metallic detergents include, for example, metal salicylates such as calcium salicylate, metal phenates such as calcium phenate, magnesium sulfonate having a base number of less than 100 mgKOH/g (neutral magnesium sulfonate), calcium sulfonate, calcium sulfonate complex, Metal sulfonates other than zinc sulfonate and barium sulfonate are included. These other metallic detergents may be used singly or in combination of two or more.
  • the content in the lubricating oil composition when containing other metallic detergents is preferably 5.0% by mass or less, more preferably 3.0% by mass or less, and further preferably 1.0% by mass or less, It is more preferably 0.5% by mass or less, more preferably 0.1% by mass or less, and particularly preferably does not contain other metallic detergents. Also, the content can be, for example, 0.1% by mass or more, 0.5% by mass or more, or 1.0% by mass or more.
  • rust inhibitors other than sorbitan fatty acid esters include alkyl or alkenyl succinic acid derivatives such as dodecenyl succinic acid half ester, octadecenyl succinic anhydride, and dodecenyl succinic acid amide; Fatty acid esters of alcohols; rosinamine, N-oleyl sarcosine, dialkylphosphite amine and the like. These rust inhibitors other than sorbitan fatty acid esters may be used singly or in combination of two or more.
  • the content in the lubricating oil composition when containing a rust inhibitor other than sorbitan fatty acid ester is preferably 10.0% by mass or less, more preferably 5.0% by mass or less, and further 1.0% by mass or less. It is preferably 0.5% by mass or less, more preferably 0.1% by mass or less, and particularly preferably contains no rust inhibitor other than sorbitan fatty acid ester. Also, the content can be, for example, 0.1% by mass or more, 0.5% by mass or more, or 1.0% by mass or more.
  • the thickener is not particularly limited as long as it is a known thickener used in lubricating oils.
  • polymethacrylates, ⁇ -olefin copolymers and their hydrides, polybutene and its hydrides, polyisobutene and its hydrides, polyisobutylene and its hydrides, styrene-diene copolymers and its hydrides, styrene-maleic anhydride esters A copolymer etc. are mentioned. Among them, one or more selected from the group consisting of polymethacrylates and ⁇ -olefin copolymers is preferable, and polymethacrylates are more preferable.
  • These thickeners may be dispersant or non-dispersant.
  • the content in the lubricating oil composition when it contains a thickener is preferably 1% by mass or more, more preferably 3% by mass or more, still more preferably 5% by mass or more, and particularly preferably 7% by mass or more.
  • the content is preferably 30% by mass or less, more preferably 28% by mass or less, even more preferably 26% by mass or less, and particularly preferably 24% by mass or less.
  • wax for example, known plant waxes, animal waxes, petroleum waxes, etc. can be used.
  • Plant waxes include, for example, rice wax, carnauba wax, candelilla wax and the like.
  • Animal waxes include, for example, beeswax, lanolin, spermaceti, and the like.
  • petroleum wax include microcrystalline wax and paraffin wax.
  • Synthetic waxes include, for example, Fischer-Tropsch wax, polyethylene wax, polypropylene wax, oil-based synthetic waxes (esters, ketones, amides), and hydrogenated waxes.
  • the content of the wax in the lubricating oil composition is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, and even more preferably 1.0% by mass or more.
  • the content is preferably 10.0% by mass or less, more preferably 8.0% by mass or less, even more preferably 6.0% by mass or less, and particularly preferably 4.0% by mass or less.
  • antioxidants examples include amine-based antioxidants, phenol-based antioxidants, sulfur-based antioxidants, phosphorus-based antioxidants, molybdenum-amine complex-based antioxidants, and the like. preferable. These antioxidants may be used individually by 1 type, and may use 2 or more types together.
  • amine antioxidants include diphenylamine, monooctyldiphenylamine, monononyldiphenylamine, dibutyldiphenylamine, monobutylphenylmonooctylphenylamine, dihexyldiphenylamine, dioctyldiphenylamine, dinonyldiphenylamine, tetrabutyldiphenylamine, tetrahexyldiphenylamine, tetra Diphenylamine antioxidants such as octyldiphenylamine, tetranonyldiphenylamine, N,N-diphenyl-p-phenylenediamine; N,N'-diisopropyl-p-phenylenediamine, N,N'-diphenyl-p-phenylenediamine, N -Phenylenediamine antioxidants such as cyclohexyl-N'-phenyl-p-phenyl
  • the content in the lubricating oil composition when containing an antioxidant is preferably 0.1% by mass or more, more preferably 0.2% by mass or more, and 0.3% by mass % or more is more preferable.
  • the content is preferably 10.0% by mass or less, more preferably 8.0% by mass or less, even more preferably 6.0% by mass or less, further preferably 4.0% by mass or less, and 2.0% by mass. % or less is particularly preferred.
  • Antiwear agents include, for example, sulfurized olefins, dialkylpolysulfides, diarylalkylpolysulfides, diarylpolysulfides, and other organic sulfur antiwear agents; phosphates, thiophosphates, phosphites, alkyl hydrogen phosphites, phosphate organic phosphorus-based antiwear agents such as amine salts and phosphite amine salts; organic zinc-based antiwear agents such as zinc dialkyldithiophosphate (ZnDTP) and zinc dialkyldithiocarbamate (ZnDTC); molybdenum dialkyldithiophosphate (MoDTP) Organic molybdenum-based anti-wear agents such as molybdenum dialkyldithiocarbamate (MoDTC) can be mentioned, and organic zinc-based anti-wear agents are preferred. These antiwear agents may be used singly or in combination of two or more.
  • the content in the lubricating oil composition when containing an anti-wear agent is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, and 1.0 % by mass or more is more preferable.
  • the content is preferably 10.0% by mass or less, more preferably 8.0% by mass or less, even more preferably 6.0% by mass or less, and particularly preferably 4.0% by mass or less.
  • the lubricating oil composition according to the present embodiment is not particularly limited as long as it is liquid at room temperature (25°C).
  • the pour point of the lubricating oil composition according to the present embodiment is preferably 0°C or lower, more preferably -5°C or lower, still more preferably -10°C or lower, and particularly preferably -15°C or lower.
  • the pour point of the lubricating oil composition according to this embodiment is measured according to JIS K 2269:1987.
  • the lubricating oil composition according to the present embodiment is produced by mixing the base oil, sorbitan fatty acid ester, overbased magnesium sulfonate, and calcium sulfonate by a known method, and adding the above additives as necessary. be done.
  • the wire rope 1 shown in FIG. 1 has a so-called multi-strand structure in which a core strand 11 and eight side strands 12 around the core strand 11 are twisted together.
  • the core strand 11 is composed of 19 wires twisted by Warrington twist, and the side strands 12 are each composed of 7 wires twisted together (W(19)+8 ⁇ 7).
  • six core strand first side wires 11b are arranged around one core strand core wire 11a, and between two adjacent core strand first side wires 11b, Six core strand second side wires 11c are arranged so as to be in contact with the two core strand first side wires 11b. Furthermore, between the six core strand second side wires 11c, six core strand third side wires 11d having a smaller diameter than the core strand first side wires 11b are arranged. The wire 11c and the core strand third side wire 11d are configured to be inscribed in one circle.
  • the side strand 12 is constructed by twisting six side strand side wires 12b around a side strand core wire 12a.
  • the twisting method (S twist, Z twist, etc.) and pitch of the core strand 11 and the side strands 12 can be appropriately changed according to the intended use.
  • the wire rope 1 shown in FIG. 1 has a parallel-strand structure of the Warrington type, but may be of a seal type, a filler type, a Warrington-seal type, or a cross-strand structure.
  • the wires used have different diameters, they may have the same diameter.
  • FIG. 1 shows the wire rope 1 having a multi-twisted structure, other multi-twisted structures and single-twisted structures may also be used.
  • the diameter of each wire used in the wire rope 1 and the diameter of the wire rope 1 as a whole can be appropriately changed according to the intended use.
  • the material of the wire rope 1 is not particularly limited, but includes zinc plating, zinc-aluminum alloy plating, iron-zinc alloy plating, aluminum plating, tin plating, etc., and zinc plating is preferably used. Wires can be obtained by drawing these steel materials.
  • the wire rope 1 At least the space between the core strand 11 and the side strands 12 is filled with the lubricating oil composition.
  • a sufficient amount of the lubricating oil composition is filled in the relatively large gap between the core strand 11 and the side strands 12, and the lubricating oil composition permeates between the wires.
  • the fretting wear of the wires accompanying the bending of the wire rope 1 is reduced, and the bending fatigue resistance is improved.
  • lubricating oil penetrating between the wires oozes out to the surface of the wire rope 1, and wear due to contact between the wire rope 1 and the guide rollers is reduced. Therefore, it is considered that the durability of the wire rope 1 is improved and disconnection is prevented over a long period of time.
  • the lubricating oil composition may be impregnated when the wires are twisted, or may be impregnated after the wires are twisted.
  • the wire rope according to the present embodiment includes, for example, an operation portion that is operated to apply a pulling or pushing/pulling operation to the wire rope, and an operation portion that pulls or pushes/pulls the wire rope by operating the wire rope. It is routed between an operation target operated at a position away from the operation unit via the operation unit.
  • the operation part and the operation object are not particularly limited as long as they can operate the wire rope and are operated by the wire rope.
  • the wire rope according to this embodiment can be used for window regulators, parking brakes, fuel lid actuators, bike screens, and the like. Also, the wire rope according to the present embodiment can be applied to applications other than vehicles.
  • Sorbitan fatty acid ester TFE-120SB (sorbitan monooleate) manufactured by Shinono Foods Industry Co., Ltd.
  • Overbased Mg sulfonate Hybase M-401 manufactured by Lanxess USA Inc (base number: 394 mg KOH/g)
  • Overbased Ca sulfonate Infinium C9330 from Infinium (base number: 305 mg KOH/g)
  • Neutral Ca sulfonate Throughhol CA-45N manufactured by MORESCO Corporation (base number: 0.26 mgKOH/g)
  • Antioxidant Irganox L57 (diphenylamine antioxidant) manufactured by BASF
  • Base oil 1 SNH-8 manufactured by Sankyo Yuka Kogyo Co., Ltd.
  • Base oil 2 SNH-46 manufactured by Sankyo Yuka Kogyo Co., Ltd. (naphthenic mineral oil, kinematic viscosity at 40° C.: 46 mm 2 /s)
  • Base oil 3 SNH-440 manufactured by Sankyo Yuka Kogyo Co., Ltd. (naphthenic mineral oil, kinematic viscosity at 40° C.: (407 mm 2 /s)
  • Thickener PLEXOL702 (polymethacrylate) manufactured by Evonik Industries AG
  • the lubricating oil composition according to the present embodiment containing the base oil, sorbitan fatty acid ester, overbased magnesium sulfonate, and predetermined additives has excellent rust prevention properties. I know there is.

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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

Cette composition lubrifiante à propriétés antirouille contient : une huile de base ; un ester d'acide gras de sorbitane ; un sulfonate de magnésium superbasique ; et au moins un additif choisi dans le groupe constitué par le sulfonate de calcium, le sulfonate de calcium, le sulfonate de baryum, le zinc d'acide gras, les sels d'acide oléique d'amine, les polyimides d'acide alcénylsuccinique et les dérivés de benzotriazole.
PCT/JP2022/042002 2021-11-11 2022-11-10 Composition lubrifiante présentant des propriétés antirouille WO2023085386A1 (fr)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6264796U (fr) * 1985-10-07 1987-04-22
JPH04275399A (ja) * 1991-02-28 1992-09-30 Mitsubishi Oil Co Ltd 亜鉛めっき鋼板用プレス加工兼用防錆油組成物
JPH0622397U (ja) * 1992-08-26 1994-03-22 クリサンセマム株式会社 ウインドレギュレータ用ワイヤロープ
JPH0782584A (ja) * 1993-09-17 1995-03-28 Nippon Oil Co Ltd さび止め油組成物
JPH0874189A (ja) * 1994-09-02 1996-03-19 Tokyo Seiko Co Ltd ウインドレギュレータ用ワイヤロープ
JPH08302490A (ja) * 1995-04-28 1996-11-19 Cosmo Sogo Kenkyusho:Kk 防錆油組成物
JP2007039761A (ja) * 2005-08-04 2007-02-15 Nippon Oil Corp さび止め油組成物
JP2011162774A (ja) * 2010-01-12 2011-08-25 Nok Kluber Kk 潤滑油組成物
WO2020184436A1 (fr) * 2019-03-08 2020-09-17 出光興産株式会社 Composition d'huile antirouille et son procédé de production
WO2020184430A1 (fr) * 2019-03-08 2020-09-17 出光興産株式会社 Composition d'huile antirouille et son procédé de production

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6264796U (fr) * 1985-10-07 1987-04-22
JPH04275399A (ja) * 1991-02-28 1992-09-30 Mitsubishi Oil Co Ltd 亜鉛めっき鋼板用プレス加工兼用防錆油組成物
JPH0622397U (ja) * 1992-08-26 1994-03-22 クリサンセマム株式会社 ウインドレギュレータ用ワイヤロープ
JPH0782584A (ja) * 1993-09-17 1995-03-28 Nippon Oil Co Ltd さび止め油組成物
JPH0874189A (ja) * 1994-09-02 1996-03-19 Tokyo Seiko Co Ltd ウインドレギュレータ用ワイヤロープ
JPH08302490A (ja) * 1995-04-28 1996-11-19 Cosmo Sogo Kenkyusho:Kk 防錆油組成物
JP2007039761A (ja) * 2005-08-04 2007-02-15 Nippon Oil Corp さび止め油組成物
JP2011162774A (ja) * 2010-01-12 2011-08-25 Nok Kluber Kk 潤滑油組成物
WO2020184436A1 (fr) * 2019-03-08 2020-09-17 出光興産株式会社 Composition d'huile antirouille et son procédé de production
WO2020184430A1 (fr) * 2019-03-08 2020-09-17 出光興産株式会社 Composition d'huile antirouille et son procédé de production

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