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WO2015156393A1 - Composition de lubrifiant - Google Patents

Composition de lubrifiant Download PDF

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Publication number
WO2015156393A1
WO2015156393A1 PCT/JP2015/061253 JP2015061253W WO2015156393A1 WO 2015156393 A1 WO2015156393 A1 WO 2015156393A1 JP 2015061253 W JP2015061253 W JP 2015061253W WO 2015156393 A1 WO2015156393 A1 WO 2015156393A1
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WO
WIPO (PCT)
Prior art keywords
lubricant composition
formula
composition
hydrocarbon group
composition according
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.)
Ceased
Application number
PCT/JP2015/061253
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English (en)
Japanese (ja)
Inventor
設楽　裕治
耕治 星野
光 高橋
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.)
Nippon Shokubai Co Ltd
Eneos Corp
Original Assignee
Nippon Shokubai Co Ltd
JX Nippon Oil and Energy Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2014082349A external-priority patent/JP2015203053A/ja
Priority claimed from JP2014082354A external-priority patent/JP2015203055A/ja
Application filed by Nippon Shokubai Co Ltd, JX Nippon Oil and Energy Corp filed Critical Nippon Shokubai Co Ltd
Publication of WO2015156393A1 publication Critical patent/WO2015156393A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M139/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups C10M127/00 - C10M137/00
    • 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
    • C10M169/06—Mixtures of thickeners 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
    • C10M115/00—Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof
    • C10M115/08—Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
    • 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
    • C10M117/00—Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
    • C10M117/02—Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen

Definitions

  • the present invention relates to a lubricant composition.
  • an object of the present invention is to provide a lubricant composition with improved load bearing capacity.
  • the present inventors have disclosed a compound having a basic skeleton of a BN six-membered ring, which is a minimum unit constituting hexagonal boron nitride (h-BN), that is, a borazine compound, in which a substituent satisfies a certain condition.
  • h-BN hexagonal boron nitride
  • the first aspect of the present invention includes (A) a lubricating base oil, (B) a semi-solid component that makes the composition semi-solid, and (C) a borazine represented by the following general formula (1) It is a lubricant composition characterized by containing a compound.
  • R 1 to R 3 each independently represents a hydrocarbon group having 1 to 30 carbon atoms.
  • the lubricant composition according to the first aspect of the present invention comprises (A) a lubricant base oil, (B) a thickener as a semisolid component (B1), A grease composition comprising the (C) borazine compound represented by the general formula (1).
  • the lubricant composition according to the first aspect of the present invention comprises (A) a lubricating base oil, and (B) a fatty acid amide as a semi-solidifying component. (C) A amide-based gel lubricant composition comprising the borazine compound represented by the general formula (1).
  • the second aspect of the present invention is the above general formula (1) used in the grease composition according to the first aspect of the present invention or the amide-based gel lubricant composition according to the second aspect of the present invention. It is a borazine compound additive represented.
  • Lubricating base oil examples include mineral oil, synthetic oil, and oil.
  • Mineral oil is a mineral oil obtained by a method commonly used in the process of manufacturing oils in the oil refining industry, and more specifically, a lubricating oil fraction obtained by subjecting crude oil to atmospheric distillation and vacuum distillation. Examples thereof include mineral oil obtained by subjecting one or more purification treatments such as solvent removal, solvent extraction, hydrocracking, solvent dewaxing, catalytic dewaxing, hydrorefining, sulfuric acid washing, and clay treatment.
  • Synthetic oils include, for example, poly- ⁇ -olefins such as polybutene, 1-octene oligomers and 1-decene oligomers or hydrides thereof; Diesters such as di3-ethylhexyl sebacate; polyol esters such as trimethylolpropane oleate, trimethylolpropane caprylate, trimethylolpropane pelargonate, pentaerythritol 2-ethylhexanoate, pentaerythritol pelargonate; alkyl naphthalene; alkylbenzene Polyoxyalkylene glycol; polyphenyl ether; dialkyl diphenyl ether; silicone oil, and the like.
  • poly- ⁇ -olefins such as polybutene, 1-octene oligomers and 1-decene oligomers or hydrides thereof; Diesters such as di3-ethylhexyl
  • fats and oils examples include beef tallow, lard, sunflower oil, soybean oil, rapeseed oil, rice bran oil, coconut oil, palm oil, palm kernel oil, and hydrogenated products thereof.
  • the above lubricating base oils may be used alone or in combination of two or more lubricating base oils.
  • the kinematic viscosity at 40 ° C. of the lubricating base oil is preferably 1 to 2000 mm 2 / s, more preferably 3 to 1000 mm 2 / s, so that the lubricant composition maintains an appropriate viscosity. More preferably, it is 5 to 500 mm 2 / s.
  • the viscosity index of the lubricating base oil is not particularly limited, but is preferably 80 or more, more preferably 90 or more.
  • the content of the lubricating base oil is preferably 60% by weight or more, more preferably 70% by weight or more based on the total amount of the composition.
  • the content of the lubricating base oil is preferably 98% by mass or less, more preferably 96% by mass or less, based on the total amount of the composition.
  • the content of the lubricating base oil exceeds 98% by mass, it tends to be difficult to make the composition sufficiently grease (semi-solid).
  • the content of the lubricating base oil is preferably 50% by weight or more, more preferably 60% by weight or more, based on the total amount of the composition. It is. When the content of the lubricating base oil is less than 50% by mass, it tends to be difficult to obtain good lubricity.
  • the content of the lubricating base oil is preferably 98% by mass or less, more preferably 96% by mass or less, based on the total amount of the composition. When the content of the lubricating base oil exceeds 98% by mass, it tends to be difficult to make the composition sufficiently semi-solid.
  • the (B) semi-solidifying component in the lubricant composition of the present invention is a component having an action of making the lubricant composition semi-solid.
  • Examples include (B1) thickeners and (B2) fatty acid amides.
  • Examples of the thickener (B1) in the grease composition according to the embodiment of the present invention include soap thickeners such as metal soap and composite metal soap, benton, silica gel, urea thickener (urea compound, urea). All types of thickeners such as non-soap thickeners such as urethane compounds and urethane compounds can be used. Among these, a soap-based thickener and a urea-based thickener can be preferably used from the viewpoint of the effect of preventing damage on the lubricating surface.
  • Examples of the soap-based thickener include sodium soap, calcium soap, aluminum soap, lithium soap, and the like. Among these, lithium soap is preferable from the viewpoint of water resistance and thermal stability. Examples of the lithium soap include lithium stearate and lithium-12-hydroxystearate.
  • As the fatty acid constituting the soap for example, a saturated fatty acid, unsaturated fatty acid, hydroxy fatty acid or a mixture thereof having 6 to 24 carbon atoms can be used.
  • urea thickeners include urea compounds, urea / urethane compounds, urethane compounds, and the like. More specifically, examples include diurea compounds, triurea compounds, tetraurea compounds, polyurea compounds (excluding diurea compounds, triurea compounds and tetraurea compounds), urea / urethane compounds, diurethane compounds and the like. Among these, at least one urea-based thickener selected from diurea compounds, urea / urethane compounds, and diurethane compounds can be preferably used.
  • a preferred example of the urea compound can be represented by the following general formula (2).
  • the compound group represented by the following general formula (2) includes diurea compounds, urea-urethane compounds, and diurethane compounds.
  • R 4 represents a divalent organic group, preferably a divalent hydrocarbon group having 6 to 20 carbon atoms.
  • a and B may be the same or different and each represents a group represented by —NHR 5 , —NR 6 R 7 or —OR 8 .
  • R 5 , R 6 , R 7 and R 8 may be the same or different and each represents a monovalent organic group, preferably a monovalent hydrocarbon group having 6 to 20 carbon atoms.
  • the content of the thickener in the grease composition is preferably 2 to 40% by weight based on the total amount of the composition.
  • the content of the thickener is less than 2% by mass, the effect of adding the thickener becomes insufficient, and it becomes difficult to make the composition sufficiently grease (semi-solid).
  • the content of the thickener exceeds 40% by mass, the grease composition may become excessively hard and it may be difficult to obtain sufficient lubrication performance.
  • the content of the thickener is more preferably 3% by mass or more, further preferably 4% by mass or more, more preferably 35% by mass or less, and further preferably 25% by mass or less.
  • the (B2) fatty acid amide compound in the amide-based gel lubricant composition according to another embodiment of the present invention is a fatty acid amide compound having one or more amide groups (—NH—CO—).
  • One or more compounds selected from fatty acid amide compounds represented by formulas (3) to (5) can be preferably used.
  • the fatty acid amide compound represented by the following general formula (3) is a monoamide having one amide group
  • the amide compound is a bisamide having two amide groups.
  • R 9 is a saturated or unsaturated chain hydrocarbon group or hydroxy-substituted chain hydrocarbon group having 5 to 25 carbon atoms
  • R 10 is a saturated or unsaturated group having 5 to 25 carbon atoms. Saturated chain hydrocarbon group or hydroxy-substituted chain hydrocarbon group, or hydrogen.
  • R 11 , R 12 , R 13 and R 14 are each independently a saturated or unsaturated chain hydrocarbon group having 5 to 25 carbon atoms or a hydroxy-substituted chain group.
  • a hydrocarbon group, wherein A 1 and A 2 are each independently a divalent hydrocarbon group having 1 to 10 carbon atoms or a hydroxy-substituted hydrocarbon group, and an alkylene group or hydroxy-substituted alkylene having 1 to 10 carbon atoms
  • the monoamide compound represented by the above formula (3) include saturated fatty acid amides such as lauric acid amide, palmitic acid amide, stearic acid amide, behenic acid amide and hydroxystearic acid amide; oleic acid amide and erucic acid amide Unsaturated amides such as stearyl stearic acid amide, oleyl oleic acid amide, oleyl stearic acid amide, stearyl oleic acid amide, etc., substituted amides of saturated or unsaturated long chain fatty acid and long chain amine, etc. Can be mentioned.
  • saturated fatty acid amides such as lauric acid amide, palmitic acid amide, stearic acid amide, behenic acid amide and hydroxystearic acid amide
  • oleic acid amide and erucic acid amide Unsaturated amides such as stearyl stearic acid amide, oleyl ole
  • R 9 and R 10 in the formula (3) are each independently a saturated chain hydrocarbon group having 12 to 20 carbon atoms, and / or at least one of R 9 and R 10 Is preferably a monoamide compound having an unsaturated chain hydrocarbon group having 12 to 20 carbon atoms (more preferably an oleyl group having an unsaturated bond having 18 carbon atoms), and more preferably a mixture of both amide compounds.
  • Specific examples include oleic amide and oleyl oleic amide.
  • the bisamide compound represented by the above formula (4) is a diamine acid amide
  • the bisamide compound represented by the above formula (5) is a dicarboxylic acid amide.
  • Specific examples of the bisamide compound represented by the formula (4) include ethylene bis stearic acid amide, ethylene bisisostearic acid amide, ethylene bis oleic acid amide, methylene bis lauric acid amide, hexamethylene bis oleic acid amide, hexamethylene bis amide. Examples thereof include hydroxystearic acid amide and m-xylylene bis-stearic acid amide.
  • Specific examples of the amide compound represented by the formula (5) include N, N′-distearyl sebacic acid amide.
  • R 11 and R 12 in the formula (4) are each independently a saturated chain hydrocarbon group having 12 to 20 carbon atoms, a bisamide compound of the formula (5)
  • One or more bisamide compounds selected from bisamide compounds that are more preferably oleyl groups in terms of points can be preferably employed, and R 11 and R 12 in formula (4) are each independently A bisamide compound which is a saturated chain hydrocarbon group having 12 to 20 carbon atoms and / or a bisamide compound wherein R
  • the fatty acid amide compound When the fatty acid amide compound is uniformly mixed with the liquid base oil, it forms a gel-like, lubricating composition at room temperature. Therefore, the fatty acid amide compound functions as a semi-solidifying agent that makes the liquid base oil semi-solid (gelled), and melts by frictional heat in a situation where the lubricating properties inherent to the lubricant composition should be exhibited. And act as a liquid lubricant composition.
  • the melting point of the fatty acid amide compound is preferably 40 to 200 ° C., more preferably 80 to 180 ° C. More preferably, it is 150 to 800.
  • the content of the fatty acid amide compound in the amide-based gel lubricant composition is usually preferably 2 to 50% by mass based on the total amount of the lubricant composition.
  • the content of the fatty acid amide compound is more preferably 5% by mass or more, and more preferably 40% by mass or less, based on the total amount of the composition.
  • the lubricant composition of the present invention contains a borazine compound represented by the following general formula (1).
  • R 1 to R 3 are each independently a hydrocarbon group having 1 to 30 carbon atoms.
  • an alkyl group which may have a cycloalkyl ring, the substitution position on the ring structure is Optional
  • an alkenyl group (position of the double bond is arbitrary)
  • an aryl group an alkylaryl group
  • substitution position on the aromatic ring is arbitrary
  • an arylalkyl group substitution position on the aromatic ring is (Optional).
  • cycloalkyl ring examples include cycloalkyl rings having 5 to 7 carbon atoms, such as a cyclopentyl ring, a cyclohexyl ring, and a cycloheptyl ring.
  • aryl group examples include a phenyl group and a naphthyl group.
  • Each hydrocarbon group of R 1 to R 3 may have a ring structure such as a cycloalkyl ring or an aromatic ring.
  • R 1 to R 3 are preferably chain-type (that is, straight-chain or branched-chain) hydrocarbon groups having no ring structure from the viewpoint of further improving the load bearing capacity. More preferably.
  • the number of carbon atoms of each hydrocarbon group of R 1 to R 3 is preferably 6 or more, more preferably 8 or more, still more preferably 12 or more, particularly preferably 16 or more, and preferably 24 It is as follows.
  • R 1 to R 3 are preferably the same group from the viewpoint of easy production of the borazine compound.
  • the borazine compound represented by the general formula (1) may be used alone or in combination of two or more.
  • the content of the borazine compound represented by the general formula (1) in the lubricant composition of the present invention is not particularly limited, but is usually 0.01 to 20% by mass based on the total amount of the composition, preferably Is 0.1% by mass or more, more preferably 0.5% by mass or more, and preferably 10% by mass or less, more preferably 8% by mass or less.
  • the borazine compound represented by the general formula (1) is used as an essential additive in the lubricant composition of the present invention.
  • the method for producing the borazine compound represented by the general formula (1) is not particularly limited, and a known synthesis method can be appropriately employed.
  • R 1 to R 3 are the same hydrocarbon group will be mainly described as an example.
  • the substitution mode of the borazine compound represented by the general formula (1) can be classified into (a) a type of N-aliphatic substitution and (b) a type of N-aromatic substitution.
  • examples of synthesis methods will be described for each type of (A) and (B).
  • R 1 to R 3 are aliphatic groups, for example, as shown in the following formula (6), an alkali borohydride MBH 4 such as sodium borohydride (M is an alkali metal) And an ammonium halide RNH 3 X (X is a halogen; R is an aliphatic hydrocarbon group, which may have an aryl group as a substituent) in a solvent, such as an alkylammonium chloride. It can be synthesized by a reaction method. Details of reaction conditions and the like in this method are disclosed in, for example, JP-A-2008-201729.
  • borane (BH 3 ) complex such as borane-tetrahydrofuran complex or diborane (B 2 H 6 ), and nitrile RCN (R is an aliphatic hydrocarbon group, It may be synthesized by a method in which an aryl group may be reacted in a solvent. Details of reaction conditions and the like in this method are disclosed in, for example, JP-A-2010-173945.
  • trichloroborane BCl 3 and ammonium halide RNH 3 X such as alkylammonium chloride (where X is a halogen; R is an aliphatic hydrocarbon group, and an aryl group as a substituent)
  • a trichloroborazine compound by reaction in a solvent, and then synthesized by a method of reducing the trichloroborazine compound with sodium borohydride as shown in the following formula (9). It is also possible to do.
  • Details of the reaction conditions of the first stage reaction (formula (8)) are disclosed in, for example, Japanese Patent Application Laid-Open Nos. 2005-112723 and 2005-104869.
  • the second stage reaction (formula (9)) is well known.
  • the borazine compound usable in the present invention is in these embodiments. It is not limited. A borazine compound in which R 1 to R 3 are different from each other can also be used, and such a borazine compound can also be synthesized. For example, it is also possible to synthesize borazine compounds in which R 1 to R 3 are different from each other by combining two or more ammonium salts and amines used as a borazine skeleton nitrogen source.
  • the lubricant composition of the present invention further contains a solid lubricant, an extreme pressure agent, an antioxidant, an oily agent, a rust inhibitor, a viscosity index improver, etc., as necessary, as long as the properties are not greatly impaired. Can do.
  • the solid lubricant examples include graphite, fluorinated graphite, melamine cyanurate, polytetrafluoroethylene, molybdenum disulfide, antimony sulfide, boron nitride, and alkali (earth) metal borate.
  • the content thereof is usually 0.1 to 20% by mass based on the total amount of the composition.
  • extreme pressure agents include zinc dialkyldithiophosphates, zinc diaryldithiophosphates, zinc dialkyldithiocarbamates, zinc diaryldithiocarbamates, molybdenum dialkyldithiocarbamates, dihydrocarbyl polysulfides, and sulfurized esters.
  • sulfur-containing compounds such as thiazole compounds and thiadiazole compounds
  • phosphorous extreme pressure agents such as phosphoric acid esters, acidic phosphoric acid esters, amine salts of acidic phosphoric acid esters, and phosphorous acid esters.
  • the borazine compound represented by the general formula (1) does not have a sulfur atom, an improvement in load bearing capacity can be achieved while suppressing an increase in the sulfur content.
  • the load carrying capacity is improved, it is possible to reduce the content of the sulfur-based extreme pressure agent as compared with the conventional one.
  • a lubricant composition that does not contain an extreme pressure agent is also possible.
  • the form whose content of the extreme pressure agent containing sulfur element is 5 mass% or less on the basis of the total amount of the composition, more preferably 3 mass% or less can be exemplified. According to such a form, the corrosiveness with respect to the metal part can be reduced or avoided, so that it is possible to further extend the life of the machine part.
  • antioxidants include phenol compounds such as 2,6-di-t-butylphenol and 2,6-di-t-butyl-p-cresol; dialkyldiphenylamine, phenyl- ⁇ -naphthylamine, p -Amine compounds such as alkylphenyl- ⁇ -naphthylamine; sulfur compounds; phenothiazine compounds.
  • phenol compounds such as 2,6-di-t-butylphenol and 2,6-di-t-butyl-p-cresol
  • dialkyldiphenylamine phenyl- ⁇ -naphthylamine, p -Amine compounds such as alkylphenyl- ⁇ -naphthylamine
  • sulfur compounds phenothiazine compounds.
  • oily agent examples include amines such as laurylamine, myristylamine, palmitylamine, stearylamine and oleylamine; higher alcohols such as lauryl alcohol, myristyl alcohol, palmityl alcohol, stearyl alcohol and oleyl alcohol; Higher fatty acids such as lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid; fatty acid esters such as methyl laurate, methyl myristate, methyl palmitate, methyl stearate, methyl oleate; laurylamide, myristylamide Amides such as palmitylamide, stearylamide, oleylamide; oils and fats.
  • these lubricants are contained in the lubricant composition of the present invention, the content thereof is usually 0.01 to 5% by mass based on the total amount of the composition.
  • rust inhibitor examples include metal soaps; partial alcohol partial esters such as sorbitan fatty acid esters; amines; phosphoric acid;
  • the content thereof is usually 0.005 to 5% by mass based on the total amount of the composition.
  • the viscosity index improver examples include polymethacrylate, polyisobutylene, polystyrene and the like.
  • the content thereof is usually 0.1 to 30% by mass based on the total amount of the composition.
  • the lubricant composition of the present invention has an improved load bearing capacity by containing the borazine compound of the above general formula (1), not only lubrication of general machine parts but also gears having severe lubrication conditions, etc. It can be preferably used for lubrication.
  • Examples of the form of the grease composition according to one embodiment of the lubricant composition of the present invention include the following [1.1] to [1.24].
  • [1.1] A form containing (A) a lubricating base oil, (B1) a thickener, and (C) a borazine compound represented by the following general formula (1).
  • R 1 to R 3 are each independently a hydrocarbon group having 1 to 30 carbon atoms.
  • R 1 to R 3 are each independently a chain hydrocarbon group having no ring structure.
  • R 1 to R 3 are each independently a linear hydrocarbon group.
  • R 1 to R 3 are each independently an alkyl group or an alkenyl group.
  • R 1 to R 3 each independently has 6 or more carbon atoms.
  • the content of the (C) borazine compound is 0.01 to 20% by mass based on the total amount of the composition.
  • the content of the (C) borazine compound is 0.1% by mass or more based on the total amount of the composition.
  • the content of the (C) borazine compound is 0.5% by mass or more based on the total amount of the composition.
  • the content of the (C) borazine compound is 10% by mass or less based on the total amount of the composition.
  • the content of the (C) borazine compound is 8% by mass or less based on the total amount of the composition.
  • the content of the (A) lubricating base oil is 60 to 98% by mass based on the total amount of the composition.
  • the content of the (A) lubricating oil composition is 96% by mass or less based on the total amount of the composition.
  • the (B1) thickener is at least one selected from lithium soap thickeners and urea thickeners. Form.
  • the fatty acid constituting the lithium soap thickener is a saturated fatty acid having 6 to 24 carbon atoms, an unsaturated fatty acid, a hydroxy fatty acid, or a combination thereof.
  • the content of the (B1) thickener is 2 to 40% by mass based on the total amount of the composition.
  • the content of the (B1) thickener is 35% by mass or less based on the total amount of the composition.
  • Examples of the form of the amide gel lubricant composition according to another embodiment of the lubricant composition of the present invention include the following [2.1] to [2.27].
  • R 1 to R 3 are each independently a hydrocarbon group having 1 to 30 carbon atoms.
  • R 1 to R 3 are each independently a chain hydrocarbon group having no ring structure.
  • R 1 to R 3 are each independently a linear hydrocarbon group.
  • R 1 to R 3 are each independently an alkyl group or an alkenyl group.
  • R 1 to R 3 each independently have 6 or more carbon atoms.
  • [2.11] A form in which the content of the (C) borazine compound in any one of [2.1] to [2.10] is 0.01 to 20% by mass based on the total amount of the composition.
  • the content of the (C) borazine compound is 0.1% by mass or more based on the total amount of the composition.
  • the content of the (C) borazine compound is 0.5% by mass or more based on the total amount of the composition.
  • the content of the (C) borazine compound is 10% by mass or less based on the total amount of the composition.
  • the content of the (C) borazine compound is 8% by mass or less based on the total amount of the composition.
  • the content of the (A) lubricating base oil is 50 to 98% by mass based on the total amount of the composition.
  • the content of the (A) lubricating base oil is 96% by mass or less based on the total amount of the composition.
  • the (B2) fatty acid amide is one or more selected from fatty acid amide compounds having a melting point of 40 to 200 ° C.
  • the molecular weight of the (B2) fatty acid amide is 100 to 1000.
  • the (B2) fatty acid amide is selected from fatty acid amide compounds represented by the following general formulas (3) to (5) One or more forms.
  • R 9 is a saturated or unsaturated chain hydrocarbon group or hydroxy-substituted chain hydrocarbon group having 5 to 25 carbon atoms
  • R 10 is a saturated or unsaturated group having 5 to 25 carbon atoms. Saturated chain hydrocarbon group or hydroxy-substituted chain hydrocarbon group, or hydrogen.
  • R 11 , R 12 , R 13 and R 14 are each independently a saturated or unsaturated chain hydrocarbon group having 5 to 25 carbon atoms or a hydroxy-substituted chain group.
  • Each of A 1 and A 2 independently represents a divalent hydrocarbon group having 1 to 10 carbon atoms or a hydroxy-substituted hydrocarbon group, and is an alkylene group or hydroxy-substituted alkylene having 1 to 10 carbon atoms Two or more groups selected from a group, a phenylene group or a hydroxy-substituted phenylene group, an alkylphenylene group having 7 to 10 carbon atoms or a hydroxy-substituted alkylphenylene group, or an alkyl group and an alkylene group bonded to the phenylene group or as a substituent A divalent hydrocarbon group having 7 to 10 carbon atoms or a hydroxy-substituted hydrocarbon group having an introduced structure.
  • the (B2) fatty acid amide is a saturated chain having 12 to 20 carbon atoms, wherein R 11 and R 12 in the above formula (4) are each independently Jo bisamide compound is a hydrocarbon group, the formula (5) in the bisamide compound R 13 and R 14 is a saturated chain hydrocarbon group independently having a carbon number of 12 ⁇ 20, R 11 and in the above formula (4)
  • a bisamide compound in which at least one of R 12 is an unsaturated chain hydrocarbon group having 12 to 20 carbon atoms, and at least one of R 13 and R 14 in the above formula (5) is an unsaturated chain having 12 to 20 carbon atoms
  • the content of the (B2) fatty acid amide is 2 to 50% by mass based on the total amount of the composition.
  • the content of the (B2) fatty acid amide is 40% by mass or less based on the total amount of the composition.
  • 1 selected from solid lubricants, extreme pressure agents, antioxidants, oiliness agents, rust inhibitors, and viscosity index improvers A form further containing more than one type of additive.
  • the content of the extreme pressure agent containing sulfur element is 0 to 5% by mass.
  • the content of the extreme pressure agent containing sulfur element is 0 to 3% by mass.
  • [3.1] can be mentioned as an example of the borazine compound additive which concerns on the 2nd aspect of this invention.
  • Examples 1 and 2 and Comparative Examples 1 and 2 As shown in Table 1, grease compositions of the present invention (Examples 1 and 2) and comparative grease compositions (Comparative Examples 1 and 2) were prepared, respectively.
  • inmass% means mass% in the grease base material
  • mass% means mass% based on the total amount of the composition.
  • the grease compositions of Examples 1 and 2 include the grease composition of Comparative Example 1 that does not contain the borazine compound of the general formula (1) and the borazine compound of the general formula (1). Instead, the load capacity was significantly improved with respect to the grease composition of Comparative Example 2 containing boron nitride particles as a solid lubricant.
  • the grease composition of Example 1 containing a borazine compound having a linear hydrocarbon group (stearyl group) as a substituent on N does not cause seizure even at the end of the SRV test (load: 600 N). It was.
  • the grease composition of the present invention has an improved load bearing capacity.
  • the borazine compound additive of the present invention effectively acts to improve the load bearing capacity in the grease composition of the present invention.
  • Examples 3 to 4 and Comparative Examples 3 to 4 As shown in Table 2, the amide-based gel lubricant composition of the present invention (Examples 3 to 4) and the comparative lubricant composition (Comparative Examples 3 to 4) were prepared.
  • “inmass%” means mass% in the lubricant base material, and “mass%” means mass% based on the total amount of the composition.
  • the amide-based gel lubricant compositions of Examples 3 to 4 are significantly more resistant to the lubricant composition of Comparative Example 3 that does not contain the borazine compound of the general formula (1).
  • the load capacity was improved.
  • the lubricant composition of Comparative Example 4 containing boron nitride particles, which are known solid lubricants, instead of the borazine compound of the general formula (1) has improved load bearing capacity compared to Comparative Example 1. This is in contrast to the points that did not show.
  • the lubricant composition of Example 3 containing a borazine compound having a long-chain linear hydrocarbon group (stearyl group) as a substituent on N has a seizure load of 2.5 of Comparative Examples 3 to 4. Improved twice.
  • the amide gel lubricant composition of the present invention has an improved load bearing capacity.
  • the borazine compound additive of the present invention effectively acts to improve the load bearing capacity in the amide gel lubricant composition of the present invention.

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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

L'invention concerne une composition de lubrifiant comprenant : une huile de base lubrifiante (A) ; un composant semi-solide (B) obtenu par préparation d'une composition semi-solide ; et un composé de borazine (C) représenté par la formule générale (1) (dans la formule générale (1), R1-R3 représentent chacun indépendamment un groupe hydrocarbure en C1 -30).
PCT/JP2015/061253 2014-04-11 2015-04-10 Composition de lubrifiant Ceased WO2015156393A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2014082349A JP2015203053A (ja) 2014-04-11 2014-04-11 グリース組成物
JP2014082354A JP2015203055A (ja) 2014-04-11 2014-04-11 潤滑剤組成物
JP2014-082354 2014-04-11
JP2014-082349 2014-04-11

Publications (1)

Publication Number Publication Date
WO2015156393A1 true WO2015156393A1 (fr) 2015-10-15

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WO (1) WO2015156393A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018180826A1 (fr) * 2017-03-30 2018-10-04 Ntn株式会社 Composition de graisse lubrifiante, palier à roulement et roulement de moyeu

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB984806A (en) * 1962-05-01 1965-03-03 Bayer Ag Process for the production of substituted borazoles
WO2003027213A1 (fr) * 2001-09-20 2003-04-03 Robert Bosch Gmbh Corps moule, notamment corps presse ou fritte, comportant du nitrure de bore et procede pour introduire ou realiser du nitrure de bore dans un corps moule poreux
JP2005500430A (ja) * 2001-08-13 2005-01-06 エルシーピー テック ホールディングス エルエルシー 液相液晶ポリマー、及びその応用
JP2008525584A (ja) * 2004-12-22 2008-07-17 ザ ルブリゾル コーポレイション 摩擦制御方法
WO2012165106A1 (fr) * 2011-05-27 2012-12-06 Ｊｘ日鉱日石エネルギー株式会社 Additif pour huiles de graissage et composition d'huile de graissage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB984806A (en) * 1962-05-01 1965-03-03 Bayer Ag Process for the production of substituted borazoles
JP2005500430A (ja) * 2001-08-13 2005-01-06 エルシーピー テック ホールディングス エルエルシー 液相液晶ポリマー、及びその応用
WO2003027213A1 (fr) * 2001-09-20 2003-04-03 Robert Bosch Gmbh Corps moule, notamment corps presse ou fritte, comportant du nitrure de bore et procede pour introduire ou realiser du nitrure de bore dans un corps moule poreux
JP2008525584A (ja) * 2004-12-22 2008-07-17 ザ ルブリゾル コーポレイション 摩擦制御方法
WO2012165106A1 (fr) * 2011-05-27 2012-12-06 Ｊｘ日鉱日石エネルギー株式会社 Additif pour huiles de graissage et composition d'huile de graissage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018180826A1 (fr) * 2017-03-30 2018-10-04 Ntn株式会社 Composition de graisse lubrifiante, palier à roulement et roulement de moyeu

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