WO2013168453A1 - 摺動部材用組成物 - Google Patents
摺動部材用組成物 Download PDFInfo
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- WO2013168453A1 WO2013168453A1 PCT/JP2013/055676 JP2013055676W WO2013168453A1 WO 2013168453 A1 WO2013168453 A1 WO 2013168453A1 JP 2013055676 W JP2013055676 W JP 2013055676W WO 2013168453 A1 WO2013168453 A1 WO 2013168453A1
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- WIPO (PCT)
- Prior art keywords
- composition
- sliding member
- resin
- silicone oil
- epoxy
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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
- C10M157/00—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential
- C10M157/10—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential at least one of them being a compound containing atoms of elements not provided for in groups C10M157/02 - C10M157/08
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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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
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/38—Lubricating compositions characterised by the base-material being a macromolecular compound containing halogen
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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
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/18—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/20—Condensation polymers of aldehydes or ketones
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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
- C10M149/00—Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen
- C10M149/12—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M149/14—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds a condensation reaction being involved
- C10M149/18—Polyamides
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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
- C10M169/041—Mixtures of base-materials and additives the additives being macromolecular compounds only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F01B3/0082—Details
- F01B3/0085—Pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0804—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B27/0821—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication
- F04B27/086—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication swash plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
- F04B27/0878—Pistons
- F04B27/0886—Piston shoes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
- F04B27/0895—Component parts, e.g. sealings; Manufacturing or assembly thereof driving means
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/14—Polyamide-imides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
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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
- 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
- C10M2209/101—Condensation polymers of aldehydes or ketones and phenols, e.g. Also polyoxyalkylene ether derivatives thereof
- C10M2209/1013—Condensation polymers of aldehydes or ketones and phenols, e.g. Also polyoxyalkylene ether derivatives thereof used as base material
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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
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
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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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/044—Polyamides
- C10M2217/0443—Polyamides 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/047—Siloxanes with specific structure containing alkylene oxide groups
- C10M2229/0475—Siloxanes with specific structure containing alkylene oxide groups used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/02—Bearings
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/14—Composite materials or sliding materials in which lubricants are integrally molded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2251/00—Material properties
- F05C2251/14—Self lubricating materials; Solid lubricants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/12—Coating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/20—Resin
Definitions
- the present invention relates to a composition for a sliding member. More specifically, for example, the present invention relates to a composition for a sliding member with little wear even under a severe sliding environment such as a semi-dry state.
- a sliding member in which a coating film formed from a composition in which a solid lubricant such as polytetrafluoroethylene, graphite, or molybdenum disulfide is blended with a binder resin such as polyimide resin or polyamideimide resin is formed on the surface thereof.
- a solid lubricant such as polytetrafluoroethylene, graphite, or molybdenum disulfide
- a binder resin such as polyimide resin or polyamideimide resin
- a lubricating paint for example, a baking paint (Patent Document 1) in which a silicone having a functional group at both ends is blended with a thermosetting resin composition, a polyamideimide resin, a reactive silicone oil having an epoxy group, and a triazine thiol.
- Lubricating paints Patent Document 2
- compositions containing a lubricant in the pores of a porous resin film Patent Document 3
- materials containing a curable resin, a solid lubricant, and a modified silicone oil Patent
- Patent Document 1 the amount of the modified silicone compounded in the paint is very small and the lubricity is not sufficient.
- a reactive silicone oil is crosslinked with triazine thiol to form a three-dimensional network structure. Therefore, the silicone oil becomes solid, has no fluidity, and is inferior in lubricity.
- the porous resin film of Patent Document 3 has poor adhesion and wear resistance, and wear occurs in a short time by sliding.
- patent document 4 contains the modified silicone which has an epoxy group and a polyether group in a side chain, it solidifies by baking and fluidity
- an object of the present invention is to provide a sliding member composition having lubricity and wear resistance.
- the present inventors provide the following composition for a sliding member.
- a sliding member composition comprising a binder resin, a solid lubricant, and an epoxy-modified silicone oil having an epoxy group at both ends or one end, the weight of the binder resin and the epoxy-modified silicone oil
- the binder resin is at least one resin selected from polyamideimide resin, polyamide resin, polyimide resin, epoxy resin, and phenol resin, for the sliding member according to (1) Composition.
- composition for a sliding member of the present invention is excellent in lubricity and wear resistance.
- composition for sliding member contains a binder resin, a solid lubricant, and an epoxy-modified silicone oil having an epoxy group at both ends or one end. If necessary, various additives are blended.
- Silicone oil has an epoxy group at both ends or one end. Specifically, it is an epoxy-modified silicone oil in which methyl groups at both ends or one end of dimethylpolysiloxane are substituted with a functional group containing an epoxy group.
- the functional group containing an epoxy group examples include an alkyl group and an ether.
- the blending ratio of the silicone oil in the composition for a sliding member of the present invention is not particularly limited, but is preferably 1 to 24% by weight, more preferably 3 to 4% from the viewpoint of lubricity, wear resistance, and coating strength. 19% by weight.
- binder resin is not specifically limited, For example, thermosetting resins, such as a polyamideimide resin, a polyamide resin, a polyimide resin, an epoxy resin, and a phenol resin, are used. These binder resins can be used alone or in combination of two or more.
- the polyamideimide resin is obtained, for example, by polycondensation of tricarboxylic acid anhydride and diamine, or tricarboxylic acid anhydride and diisocyanate.
- tricarboxylic acid anhydride include aromatic tricarboxylic acid anhydrides such as trimellitic anhydride.
- diamine include aromatic diamines such as m-phenylenediamine, p-phenylenediamine, 3,3′-diaminodiphenylmethane, 4,4′-diaminodiphenyl ether, and 4,4′-diaminodiphenylmethane. .
- diisocyanate examples include aromatic diisocyanates such as 4,4′-diphenylmethane diisocyanate, 3,3′-diphenylmethane diisocyanate, 4,4′-diphenyl ether diisocyanate, 3,3′-diphenyl ether diisocyanate, and paraphenylene diisocyanate.
- aromatic diisocyanates such as 4,4′-diphenylmethane diisocyanate, 3,3′-diphenylmethane diisocyanate, 4,4′-diphenyl ether diisocyanate, 3,3′-diphenyl ether diisocyanate, and paraphenylene diisocyanate.
- the polyamide resin is obtained, for example, by ring opening of lactam or polycondensation of diamine and dicarboxylic acid.
- lactam include 2-pyrrolidone, caprolactam, and laurolactam.
- diamine include aliphatic diamines such as hexamethylene diamine and pentamethylene diamine.
- dicarboxylic acid examples include adipic acid, malonic acid, succinic acid, glutaric acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, dodecanedicarboxylic acid, dimethylmalonic acid, 3,3-diethylsuccinic acid, 2, Examples include 2-dimethylglutaric acid, 2-methyladipic acid, trimethyladipic acid, 1,3-cyclopentanedicarboxylic acid, 1,4-cyclohexanedicarboxylic acid, terephthalic acid, isophthalic acid, and 2,6-naphthalenedicarboxylic acid.
- the polyimide resin is obtained, for example, by polycondensation of tetracarboxylic anhydride and diamine.
- tetracarboxylic anhydride examples include 1,2,4,5-cyclohexanetetracarboxylic dianhydride, 1,2,3,4-butanetetracarboxylic dianhydride, 1,2,3,4 -Aliphatic tetracarboxylic dianhydrides such as cyclobutanetetracarboxylic dianhydride, pyromellitic dianhydride, 3,3 ', 4,4'-biphenyltetracarboxylic dianhydride, 2,3,3' And aromatic tetracarboxylic dianhydrides such as 4,4'-biphenyltetracarboxylic dianhydride.
- epoxy resin examples include bisphenol type epoxy resin, novolak type epoxy resin, naphthalene type epoxy resin, fluorene type epoxy resin, triphenylmethane type epoxy resin, glycidyl ether type epoxy resin, glycidyl ester type epoxy resin, glycidyl amine type epoxy resin. Etc.
- the phenol resin is obtained, for example, by polycondensation of phenols and aldehydes.
- phenols include phenol, resorcin, cresol, and xylenol.
- aldehydes include formaldehyde and furfural.
- the blending ratio of the binder resin in the composition for a sliding member of the present invention is not particularly limited, but is preferably from 30 to 92% by weight, more preferably from 56 to 90% from the viewpoint of adhesion to a substrate and coating film strength. 90% by weight.
- the weight ratio of the binder resin to the silicone oil in the sliding member composition of the present invention is 97: 3 to 75:25, preferably 95: 5 to 80:20.
- the weight ratio of silicone oil is less than 3%, the effects of lubricity and wear resistance, which are the original characteristics of silicone oil, cannot be obtained.
- it exceeds 25% the components of the composition are easily separated, and a uniform coating film cannot be obtained.
- the solid lubricant is preferably a fluorine resin particle.
- a fluorine resin particle for example, polytetrafluoroethylene, tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, tetrafluoroethylene-hexafluoropropylene copolymer, tetrafluoroethylene-ethylene copolymer, polyvinylidene fluoride, trichlorotrifluoroethylene, etc. Can be mentioned.
- the particle size of the solid lubricant is not particularly limited, but is preferably 30 ⁇ m or less, more preferably 0.2 to 20 ⁇ m from the viewpoint of dispersion stability in the paint and paintability.
- the blending ratio of the solid lubricant in the composition for a sliding member of the present invention is not particularly limited, but is preferably 5 to 60% by weight, more preferably 5% from the viewpoint of lubricity, wear resistance, and coating film strength. ⁇ 30% by weight.
- the composition for sliding members of the present invention may contain a solvent.
- the solvent is not particularly limited, and examples thereof include N-methyl-2-pyrrolidone, N, N-dimethylformamide, xylene, methyl ethyl ketone, and methyl isobutyl ketone. These solvents can be used alone or in combination of two or more.
- composition for a sliding member of the present invention may further contain additives such as a colorant, an antifoaming agent, a surfactant, and other lubricants as necessary. These additives can be used alone or in combination of two or more.
- colorant examples include brown rice, zinc oxide, titanium oxide, aniline black, cadmium yellow, yellow iron oxide, titanium yellow, insoluble disazo yellow, condensed azo yellow, isoindolinone yellow, benzimidazolone yellow, insoluble disazo orange, and benzimidazo.
- antifoaming agent for example, dimethylpolysiloxane, polyacrylic acid, metal soap, fatty acid ester, phosphate ester and the like are used.
- Examples of other lubricants include molybdenum disulfide, carbon black, graphite, boron nitride, silane nitride, and melamine cyanurate.
- the composition for a sliding member of the present invention has lubricity and abrasion resistance by including an epoxy-modified silicone oil having an epoxy group at both ends or one end.
- the presence of an epoxy group in dimethylpolysiloxane improves compatibility with the binder resin.
- the epoxy group is substituted only at the terminal, it exists in a fluid state in the coating film, and the lubricity is improved and the wear resistance can be improved by interposing it on the sliding surface. .
- the epoxy group is substituted with a side chain, it is inferior in lubricity and wear resistance because it is solidified by firing and has no fluidity.
- composition for a sliding member of the present invention is not particularly limited, but a predetermined amount of a binder resin, a solid lubricant, an epoxy-modified silicone oil, other additives, and a solvent are blended, and a stirrer such as a dissolver, a ball mill, a sand mill, an azimuth homopolymer. It is preferable to mix and disperse by appropriately combining mixers and the like.
- a coating film can be formed on the surface of the sliding member by applying the composition for the sliding member of the present invention to the sliding member.
- the application method to the sliding member is not particularly limited, and examples thereof include a spray method, a dipping method, a flow coating method, a dispenser method, and a spin coating method. Depending on each application method, the viscosity can be adjusted with a solvent during the production of the lubricating coating composition or before the application.
- the solvent evaporates in the drying and baking process.
- a coating film is formed on the surface of the sliding member.
- the drying temperature is appropriately adjusted depending on the type of resin, but is usually 60 to 120 ° C.
- the film thickness after drying is 15 to 100 ⁇ m.
- it is fired at a high temperature.
- the firing temperature is appropriately adjusted depending on the type of resin, but is usually 150 to 300 ° C.
- the film thickness after firing is 10 to 80 ⁇ m.
- the sliding member may be cooled, and polishing may be adjusted depending on the purpose.
- the sliding member of the present invention is used for a sliding member for a compressor of an air conditioner, an engine piston of an automobile, a solenoid valve for gas or liquid, a plunger, a valve, a bush, a slide bearing and the like.
- Binder resin Polyamideimide (PAI) resin HPC-5012-32 (manufactured by Hitachi Chemical Co., Ltd.)
- Solid lubricant Polytetrafluoroethylene (PTFE) Fullon L173J (Asahi Glass Co., Ltd.) Silicone oil: As shown in Table 1 below.
- Solvent Mixed solvent of N-methyl-2-pyrrolidone and methyl isobutyl ketone
- a binder resin In a solvent, a binder resin, a solid lubricant, and silicone oil were added so as to have a blending ratio shown in Table 2, and mixed and dispersed by a ball mill (Examples 1 to 4, Comparative Examples 1 to 5).
- the obtained dispersion was applied as a sliding member to a test piece (material: SAPH440 disk) by spraying.
- Table 2 the evaluation result of the composition for sliding members is shown.
- Friction and wear characteristics A pin-on-disk type tester (3-pin type) was used.
- the material of the mating material pin was iron (SUJ-2), and the size was ⁇ 5 mm ⁇ 10 mm.
- the roughness of the sliding surface of the pin was adjusted in the same manner as the disk.
- a pin was placed on the adjusted disc and set on the test sliding part.
- a load of 200 N was applied from above, and the disk side was rotated at a peripheral speed of 2 m / s.
- One test time was 1 hour, and the test was repeated 3 times.
- the wear depth of the disk sliding surface after the test was evaluated as the wear amount.
- -Surface condition observation It was confirmed by visual observation and finger that the oil component did not bleed out on the surface of the coating after baking.
- composition of Comparative Example 3 with a small amount of silicone oil had no wear resistance effect. Further, the composition of Comparative Example 4 having a large amount of silicone oil was separated after the components were mixed and dispersed, and a uniform coating film could not be obtained.
- the coating film formed from the composition for sliding members of this invention has abrasion resistance and lubricity.
- the epoxy group is substituted only at the terminal, it exists in a fluid state in the coating film, and the lubricity is improved by interposing it on the sliding surface, and wear resistance is increased. Can be improved.
- the epoxy group is substituted on the side chain, it is solidified by firing and loses fluidity. Therefore, lubricity and wear resistance are not improved.
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
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Abstract
Description
(2)前記バインダー樹脂は、ポリアミドイミド樹脂、ポリアミド樹脂、ポリイミド樹脂、エポキシ樹脂及びフェノール樹脂から選択される少なくとも1種の樹脂であることを特徴とする、(1)に記載の摺動部材用組成物。
(3)前記固体潤滑剤は、ポリテトラフルオロエチレンであることを特徴とする、(1)または(2)に記載の摺動部材用組成物。
(4)(1)~(3)のいずれかに記載の摺動部材用組成物から形成される塗膜を、その表面に形成させた摺動部材。
本発明の摺動部材用組成物は、バインダー樹脂と、固体潤滑剤と、両末端又は片末端にエポキシ基を有するエポキシ変性シリコーンオイルとを含む。必要に応じて、各種添加剤を配合する。
シリコーンオイルは、両末端又は片末端にエポキシ基を有している。具体的には、ジメチルポリシロキサンの両末端又は片末端のメチル基を、エポキシ基を含有する官能基で置換したエポキシ変性シリコーンオイルである。エポキシ基を含有する官能基において、官能基として、例えば、アルキル基、エーテルが挙げられる。
バインダー樹脂は、特に限定されないが、例えば、ポリアミドイミド樹脂、ポリアミド樹脂、ポリイミド樹脂、エポキシ樹脂及びフェノール樹脂等の熱硬化性樹脂が用いられる。これらのバインダー樹脂は単独で、あるいは2種以上を組み合わせて用いることができる。
固体潤滑剤は、フッ素系樹脂の粒子であることが好ましい。例えば、ポリテトラフルオロエチレン、テトラフルオロエチレン-パーフルオロアルキルビニルエーテル共重合体、テトラフルオロエチレン-ヘキサフルオロプロピレン共重合体、テトラフルオロエチレン-エチレン共重合体、ポリビニリデンフルオロライド、トリクロロトリフルオロエチレン等が挙げられる。
本発明の摺動部材用組成物は、溶剤を含んでいてもよい。溶剤は、特に限定されないが、N-メチル-2-ピロリドン、N,N-ジメチルホルムアミド、キシレン、メチルエチルケトン、メチルイソブチルケトン等が挙げられる。これらの溶剤は単独で、あるいは2種以上を組み合わせて用いることができる。
本発明の摺動部材用組成物は、必要に応じて、さらに、着色剤、消泡剤、界面活性剤、他の潤滑剤等の添加剤を配合することができる。これらの添加剤は単独で、あるいは2種以上を組み合わせて用いることができる。
本発明の摺動部材用組成物は、特に限定されないが、バインダー樹脂と固体潤滑剤とエポキシ変性シリコーンオイルとその他添加剤と溶剤を所定量配合し、ディゾルバー等の攪拌機やボールミル、サンドミル、アジホモミキサー等を適宜組み合わせて混合分散させるのが好ましい。
本発明の摺動部材用組成物を摺動部材に塗布することにより、摺動部材の表面に塗膜を形成させることができる。摺動部材への塗布方法は、特に限定されないが、例えばスプレー法、ディッピング法、フローコート法、ディスペンザー法、スピンコート法が挙げられる。それぞれの塗布方法に応じて、潤滑性塗料組成物の製造時又は塗布前に、溶剤により粘度の調整をすることができる。
バインダー樹脂:ポリアミドイミド(PAI)樹脂 HPC-5012-32(日立化成工業(株)製)
固体潤滑剤:ポリテトラフルオロエチレン(PTFE) フルオンL173J(旭硝子(株)製)
シリコーンオイル:下記表1のとおり
溶剤:N-メチル-2-ピロリドンとメチルイソブチルケトンの混合溶剤
[摺動部材用組成物の試験及び評価]
・摩擦摩耗特性
ピンオンディスク型試験機(3ピンタイプ)を用いた。相手材ピンの材質は鉄材(SUJ-2)、大きさはφ5mm×10mmを使用した。ピンもディスク同様、摺動面の粗さを調整した。調整されたディスクの上にピンを乗せ、試験摺動部にセットした。上から荷重200Nを加え、ディスク側を周速2m/sのスピードで回転させた。1回の試験時間を1時間とし、3回繰り返した。試験終了後のディスク摺動面の摩耗深さを摩耗量として評価した。
・表面状態観察
目視及び触指で、焼成後の塗膜表面にオイル成分がブリードアウトしていないかを確認した。
Claims (4)
- バインダー樹脂と、固体潤滑剤と、両末端又は片末端にエポキシ基を有するエポキシ変性シリコーンオイルとを含む摺動部材用組成物であって、前記バインダー樹脂と前記エポキシ変性シリコーンオイルの重量比が97:3~75:25であることを特徴とする摺動部材用組成物。
- 前記バインダー樹脂は、ポリアミドイミド樹脂、ポリアミド樹脂、ポリイミド樹脂、エポキシ樹脂及びフェノール樹脂から選択される少なくとも1種の樹脂であることを特徴とする、請求項1に記載の摺動部材用組成物。
- 前記固体潤滑剤は、ポリテトラフルオロエチレンであることを特徴とする、請求項1または2に記載の摺動部材用組成物。
- 請求項1~3のいずれか1項に記載の摺動部材用組成物から形成される塗膜を、その表面に形成させた摺動部材。
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CN201380003158.8A CN103827225B (zh) | 2012-05-07 | 2013-03-01 | 滑动构件用组合物 |
EP13788582.8A EP2821443B1 (en) | 2012-05-07 | 2013-03-01 | Composition for a sliding member |
IN4505CHN2014 IN2014CN04505A (ja) | 2012-05-07 | 2013-03-01 | |
MX2014008911A MX361867B (es) | 2012-05-07 | 2013-03-01 | Composicion para miembro deslizable. |
US14/379,309 US9777241B2 (en) | 2012-05-07 | 2013-03-01 | Composition for sliding member |
PL13788582T PL2821443T3 (pl) | 2012-05-07 | 2013-03-01 | Kompozycja dla członu ślizgowego |
KR1020147005982A KR101969321B1 (ko) | 2012-05-07 | 2013-03-01 | 슬라이딩 부재용 조성물 |
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Also Published As
Publication number | Publication date |
---|---|
US20150057199A1 (en) | 2015-02-26 |
IN2014CN04505A (ja) | 2015-09-11 |
US9777241B2 (en) | 2017-10-03 |
MX361867B (es) | 2018-12-18 |
EP2821443A4 (en) | 2016-05-25 |
EP2821443A1 (en) | 2015-01-07 |
KR20150008039A (ko) | 2015-01-21 |
CN103827225A (zh) | 2014-05-28 |
CN103827225B (zh) | 2017-04-05 |
KR101969321B1 (ko) | 2019-04-16 |
EP2821443B1 (en) | 2020-07-22 |
PL2821443T3 (pl) | 2020-12-14 |
MX2014008911A (es) | 2014-10-13 |
JP2013234219A (ja) | 2013-11-21 |
JP6108284B2 (ja) | 2017-04-05 |
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