WO2020226106A1 - 潤滑方法 - Google Patents
潤滑方法 Download PDFInfo
- Publication number
- WO2020226106A1 WO2020226106A1 PCT/JP2020/018150 JP2020018150W WO2020226106A1 WO 2020226106 A1 WO2020226106 A1 WO 2020226106A1 JP 2020018150 W JP2020018150 W JP 2020018150W WO 2020226106 A1 WO2020226106 A1 WO 2020226106A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phosphate
- lubricating oil
- wear
- mass
- wear agent
- Prior art date
Links
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
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/02—Bearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Definitions
- the present invention relates to a lubrication method.
- various lubricants are used to lubricate the sliding member.
- lubricant lubricating oil, grease, etc. containing various additives are used as needed.
- the use of resin materials as sliding members has been studied in many applications from the viewpoints of weight reduction of parts and ease of processing against the background of fuel efficiency.
- the resin material is inferior in mechanical strength to the metal material, and may be worn, broken, or the like.
- Cited Document 1 contains at least one selected from mineral oil, synthetic alicyclic hydrocarbon compound, and synthetic aromatic hydrocarbon compound as a main component, and has a kinematic viscosity at 40 ° C. of 1 to 8 mm 2 / s. It is disclosed that a lubricant (refrigerating machine oil) containing a base oil is applied to a sliding portion made of polyphenylene sulfide or the like, or a sliding portion having a polymer coating film or an inorganic coating film.
- a lubricant refrigerating machine oil
- the present invention has been made in view of such circumstances, and an object of the present invention is to provide a lubrication method capable of improving slidability when a resin material is used as a sliding member.
- the present invention provides a lubrication method for lubricating a pair of sliding members using a lubricating oil composition.
- the lubricating oil composition contains a lubricating oil base oil and a wear inhibitor containing phosphorus as a constituent element and not sulfur.
- the friction coefficient between the sliding members can be reduced and the wear resistance can be improved, and the sliding member can be slid. It is possible to improve the sex.
- the pair of sliding members is preferably one that contains engineering plastics and the other that contains iron-based materials.
- a lubrication method capable of improving slidability when a resin material is used as a sliding member.
- the lubrication method of one embodiment is a method of lubricating a pair of sliding members (which move relative to each other) using a lubricating oil composition.
- At least one of the pair of sliding members is a member containing engineering plastic (hereinafter, may be referred to as “engineering plastic”).
- the engineering plastic generally means a plastic having a heat resistance of 100 ° C. or higher, a strength of 50 MPa or higher, and a flexural modulus of 2.4 GPa or higher.
- the engineering plastic further includes a super engineering plastic having a heat resistance of 150 ° C. or higher (hereinafter, may be referred to as “super engineering plastic”).
- the engineering plastic is not particularly limited, and is, for example, an amorphous resin such as polycarbonate (PC) or modified polyphenylene ether (m-PPE), polyacetal (POM), polyamide (PA), polybutylene terephthalate (PBT), or polyethylene terephthalate. Examples thereof include (semi) crystalline resin such as (PET). Among these, the engineering plastic may be polyacetal (POM) or polyamide (PA).
- PC polycarbonate
- m-PPE modified polyphenylene ether
- POM polyacetal
- PA polyamide
- PBT polybutylene terephthalate
- PET polyethylene terephthalate
- the engineering plastic may be polyacetal (POM) or polyamide (PA).
- Engineering plastics may be super engineering plastics.
- the superempura is not particularly limited, and is, for example, an amorphous resin such as polyphenylsulfone (PPSU), polysulfone (PSF), polyarylate (PAR), polyetherimide (PEI), polyamideimide (PAI), or poly.
- amorphous resin such as polyphenylsulfone (PPSU), polysulfone (PSF), polyarylate (PAR), polyetherimide (PEI), polyamideimide (PAI), or poly.
- crystalline resins such as ether ether ketone (PEEK), polyphenylene sulfide (PPS), polyethersulfone (PES), liquid crystal polymer (LCP), polyvinylidene fluoride (PVDF), polytetrafluoroethylene (PTFE), etc.
- the super engineering plastic may be polyetheretherketone (PEEK).
- PEEK is a kind of semi-crystalline polymer having a structure in which benzene rings are linked to each other by an ether bond or a carbonyl group.
- PEEK is, for example, a polymer having a structural unit represented by the following formula (A).
- the number average molecular weight Mn of PEEK may be, for example, 20000 to 50,000, and the weight average molecular weight Mw of PEEK may be, for example, 60,000 to 150,000.
- Mw / Mn indicating the molecular weight distribution may be 2 to 4.
- the number average molecular weight Mn and the weight average molecular weight Mw mean numerical values measured by the GPC method and are relative values based on polystyrene.
- the sliding member may be a member made of engineering plastic, but from the viewpoint of further improving the slidability, the sliding member includes a solid lubricant, reinforcing fibers, a filler, and other components in addition to the engineering plastic. It may be a member containing an agent or the like.
- solid lubricant examples include boron nitride, molybdenum disulfide, fluororesin, and carbon-based solid lubricant (graphite, carbon black, etc.).
- the content thereof may be 0.1 to 30% by mass or 0.5 to 20% by mass based on the total amount of the sliding member.
- the content of the solid lubricant is 30% by mass or less based on the total amount of the sliding member, defects are unlikely to occur in the process of producing pellets by the compound, and mechanical properties such as impact strength as the sliding member are not likely to occur. Can be prevented from being significantly reduced.
- the content of the solid lubricant is 0.1% by mass or more based on the total amount of the sliding members, the effect of containing the solid lubricant can be sufficiently obtained.
- the reinforcing fiber examples include glass fiber, carbon fiber (carbon fiber), aramid fiber, and fibrous material such as various whiskers.
- the reinforcing fibers are preferably glass fibers, carbon fibers, or aramid fibers because the slidability can be further improved, and the wear of the sliding members during sliding can be further suppressed. Carbon fiber or aramid fiber is preferable.
- the content thereof may be 0.1 to 80% by mass or less or 0.5 to 70% by mass or less based on the total amount of the sliding member.
- the content of the reinforcing fibers is 80% by mass or less based on the total amount of the members, defects are less likely to occur in the process of producing pellets by the compound, and the mechanical properties such as impact strength as the sliding members are remarkably lowered. You can prevent it from happening.
- the content of the reinforcing fibers is 0.1% by mass or more based on the total amount of the sliding members, the effect of containing the reinforcing fibers can be sufficiently obtained.
- filler examples include talc, mica, glass flakes, clay, sericite, calcium carbonate, calcium sulfate, calcium silicate, silica, alumina, aluminum hydroxide, calcium hydroxide, potassium titanate, titanium oxide, and fluorocarbon resin fiber. , Fluorocarbon resin, barium sulfate, various whiskers and the like.
- the additive examples include a colorant, a dispersant, a plasticizer, an antioxidant, a curing agent, a flame retardant, a heat stabilizer, an ultraviolet absorber, an antistatic agent, a surfactant and the like.
- the total content of the filler and the additive is not particularly limited, but may be 10% by mass or less or 5% by mass or less based on the total amount of the sliding members.
- the sliding member may contain a polymer other than engineering plastics as long as the effects of the present invention are not significantly impaired.
- polymers other than engineering plastics include polyethylene, polystyrene, polypropylene, polyvinyl chloride, phenol resin, epoxy resin and the like.
- both of the sliding members may be members containing engineering plastics, but if one of the sliding members is a member containing engineering plastics, the other is , A member other than the member including the engineering plastic may be used.
- a member other than the member including the engineering plastic include metal-based materials such as iron-based materials, aluminum-based materials, and magnesium-based materials, polymers other than engineering plastics, and non-metal-based materials such as plastic and carbon.
- the other of the sliding members is preferably a member containing a metal-based material, and more preferably a member containing an iron-based material because the slidability can be further improved.
- the lubrication method of the present embodiment uses a metal-based material having a large surface roughness (arithmetic mean roughness Ra). Even if the member contains the member, the slidability can be improved.
- the surface roughness (arithmetic mean roughness Ra) of the member containing the metal-based material may be, for example, 0.05 ⁇ m or more, 0.1 ⁇ m or more, or 0.3 ⁇ m or more.
- the lubrication method of this embodiment uses a lubricating oil composition to lubricate the above-mentioned sliding member.
- the lubricating oil composition contains a lubricating oil base oil and a predetermined anti-wear agent.
- Examples of the lubricating oil base oil include hydrocarbon oils and oxygen-containing oils.
- Examples of the hydrocarbon oil include mineral oil-based hydrocarbon oils and synthetic hydrocarbon oils.
- Examples of the oxygen-containing oil include esters, ethers, carbonates, ketones, silicones, polysiloxanes and the like.
- As the lubricating oil base oil one type may be used alone, or two or more types may be used in combination at an arbitrary ratio.
- the lubricating oil base oil preferably contains a hydrocarbon oil (mineral oil-based hydrocarbon oil or synthetic hydrocarbon oil).
- the mineral oil-based hydrocarbon oil for example, the lubricating oil distillate obtained by atmospheric distillation and / or vacuum distillation of crude oil is subjected to solvent removal, solvent extraction, hydrocracking, solvent removal, contact removal, and hydrogen.
- examples thereof include paraffinic mineral oils (normal paraffin, isoparaffin, etc.), naphthenic mineral oils, aromatic mineral oils, etc., which are obtained by refining a single or a combination of two or more refining treatments such as chemical refining, sulfuric acid washing, and clay treatment. ..
- Examples of the synthetic hydrocarbon oil include alkylbenzene, alkylnaphthalene, poly ⁇ -olefin (PAO), polybutene, ethylene- ⁇ -olefin copolymer and the like.
- the 40 ° C. kinematic viscosity of the lubricating oil base oil may be, for example, 1 mm 2 / s or more, 5 mm 2 / s or more, or 10 mm 2 / s or more, 1000 mm 2 / s or less, 600 mm. It may be 2 / s or less, 200 mm 2 / s or less, 100 mm 2 / s or less, or 50 mm 2 / s or less.
- 40 ° C. kinematic viscosity means the kinematic viscosity at 40 ° C. measured according to JIS K 2283: 2000.
- the content of the lubricating oil base oil is, for example, 70% by mass or more, 80% by mass or more, 85% by mass or more, 90% by mass or more, 95% by mass or more, or 97% by mass or more, based on the total amount of the lubricating oil composition. It may be 99.9% by mass or less, 99.7% by mass or less, or 99.5% by mass or less.
- the anti-wear agent is an anti-wear agent containing phosphorus as a constituent element and not containing sulfur (hereinafter, may be referred to as “first anti-wear agent”), and an anti-wear agent containing sulfur as a constituent element and not containing phosphorus. It consists of an agent (hereinafter, may be referred to as a "second anti-wear agent”) and an anti-wear agent containing phosphorus and sulfur as constituent elements (hereinafter, may be referred to as a "third anti-wear agent”). At least one selected from the group.
- the first anti-wear agent for example, zinc dialkyl phosphate; phosphorous acid ester (mono (alkyl or aryl) phosphite, di (alkyl or aryl) phosphite, tri (alkyl or aryl) phosphite) Etc.) (Phosphite); Phosphate ester (mono (alkyl or aryl) phosphate, di (alkyl or aryl) phosphate, tri (alkyl or aryl) phosphate, etc.) (phosphate); phosphate or phosphorous acid Examples thereof include amine salts, metal salts and derivatives of esters; condensed phosphoric acid esters; and phosphonic acid esters.
- the first anti-wear agent may be, for example, a phosphate ester (phosphate) or a metal salt thereof.
- the zinc salt of dialkyl phosphate may be, for example, a compound represented by the following formula (C).
- R 21 to R 24 each independently represent a linear or branched alkyl group.
- the number of carbon atoms of the alkyl group may be 1 or more or 3 or more, and may be 24 or less, 12 or less, or 8 or less.
- phosphite ester examples include dibutyl phosphite, dipentyl phosphite, dihexyl phosphite, diheptyl phosphite, dioctyl phosphite, dinonyl phosphite, didecyl phosphite, diundecyl phosphite, and subphosphate.
- the alkyl group may be linear, branched, or have an unsaturated bond.
- Examples of the phosphoric acid ester include diethyl phosphate, dibutyl phosphate, dipentyl phosphate, dihexyl phosphate, diheptyl phosphate, dioctyl phosphate, dinonyl phosphate, didecyl phosphate, diundecyl phosphate, didodecyl phosphate, and phosphoric acid.
- condensed phosphoric acid ester examples include resorcinol bis (diphenyl phosphate), resorcinol bis (dixylenyl phosphate), bisphenol A bis (diphenyl phosphate) and the like.
- Examples of the phosphonic acid ester include dialkylphosphonoacetic acid, dialkylhydroxymethylphosphonate, dialkylhydroxyethylphosphonate, dialkylhydroxyundecylphosphonate and the like.
- the alkyl group of these phosphonic acid esters may be, for example, a linear or branched aliphatic group having 1 to 20 carbon atoms.
- the second anti-wear agent examples include dithiocarbamate, zinc dithiocarbamate, molybdenum dithiocarbamate (MoDTC), disulfide, olefin sulfide, oil and fat sulfide, and the like.
- the second anti-wear agent may be, for example, an olefin sulfide.
- Examples of the third anti-wear agent include zinc dialkyldithiophosphate (ZnDTP); thio-phosphate ester; dithio-phosphate ester; trithio-phosphate ester; thiophosphate ester; dithiophosphate ester: trithiophosphate ester; thio.
- Examples thereof include amine salts, metal salts and derivatives of trithiophosphates, dithiophosphates, trithiophosphates, thiophosphates, dithiophosphates, and trithiophosphates.
- the third anti-wear agent may be, for example, zinc dialkyldithiophosphate (ZnDTP).
- Zinc dialkyldithiophosphate may be, for example, a compound represented by the following formula (B).
- R 11 to R 14 each independently represent a linear or branched alkyl group.
- the number of carbon atoms of the alkyl group may be 1 or more or 3 or more, and may be 24 or less, 12 or less, or 8 or less.
- the anti-wear agent is at least one selected from the group consisting of a first anti-wear agent, a second anti-wear agent, and a third anti-wear agent.
- the anti-wear agent is preferably a first anti-wear agent or a third anti-wear agent.
- the content of the anti-wear agent is, for example, 0.01% by mass or more, 0.05% by mass or more, 0.1% by mass or more, 0.3% by mass or more, or 0, based on the total amount of the lubricating oil composition. It may be 5% by mass or more, and may be 20% by mass or less, 15% by mass or less, 10% by mass or less, 5% by mass or less, or 3% by mass or less.
- the lubricating oil composition may further contain any commonly used lubricant additive, depending on its purpose.
- additives for lubricating oil include antioxidants, defoamers, metal inactivating agents, viscosity index improvers, pour point lowering agents, cleaning dispersants, acid scavengers, rust preventives and the like. Can be mentioned.
- the content of these additives for lubricating oil may be, for example, 0.1 to 20% by mass based on the total amount of the lubricating oil composition.
- the 40 ° C. kinematic viscosity of the lubricating oil composition may be, for example, 1 mm 2 / s or more, 5 mm 2 / s or more, or 10 mm 2 / s or more, 1000 mm 2 / s or less, 600 mm. It may be 2 / s or less, 200 mm 2 / s or less, 100 mm 2 / s or less, or 50 mm 2 / s or less.
- the lubrication method according to this embodiment can be applied to the lubrication system of various devices.
- Such lubrication systems include, for example, transportation machines such as (electric) automobiles, railroads and aircraft, industrial machines such as machine tools and robots, household appliances such as washing machines, refrigerators, room air conditioners and vacuum cleaners, watches and cameras.
- Examples thereof include a lubrication system for lubricating a part of a mechanical device such as a precision machine that requires lubricity.
- parts that require lubricity include parts (sliding parts) in which parts such as gears, bearings, pumps, vanes / rotors, and piston rings slide in contact with each other.
- Examples of the mechanical device including the sliding portion include an engine, a gearbox, a compressor, a hydraulic unit, a motor and the like.
- Other mechanical devices including the sliding portion include a compressor system containing various refrigerants.
- the lubrication system may be, for example, a system including a storage unit for accommodating the lubricating oil composition and a supply unit for supplying the lubricating oil composition from the storage unit to the sliding member.
- the supply unit may be a circulation type supply unit that supplies the lubricating oil composition to the sliding member by a supply means such as a pump.
- the lubrication system may be a system in which a sliding member is impregnated with a lubricating oil composition.
- the lubrication system may be a system in which a lubricating oil composition is filled in a container provided with a sliding member, such as a compressor in a refrigerant circulation system such as a refrigerator or a room air conditioner.
- Examples 1-1 and 1-2 and Comparative Examples 1-1 and 1-2 (Examples 2-1 to 2-4 and Comparative Example 2-1) (Examples 3-1 to 3-3 and Comparative Examples 3-1 and 3-2)
- ⁇ Preparation of lubricating oil composition A lubricating oil composition was prepared by mixing the lubricating oil base oil and the anti-wear agent shown in Tables 1, 2 and 3.
- the numerical values shown in Tables 1, 2 and 3 mean parts by mass.
- Lubricating oil Base oil 1 Poly ⁇ -olefin (PAO, trade name: Duracin-164, manufactured by INEOS, 40 ° C. kinematic viscosity: 17.5 mm 2 / s, 100 ° C. kinematic viscosity: 4.0 mm 2 / s)
- Lubricating oil Base oil 2 Poly ⁇ -olefin (PAO, trade name: Duracin-168, manufactured by INEOS, 40 ° C. kinematic viscosity: 46.0 mm 2 / s, 100 ° C.
- Lubricating oil Base oil 3 Mineral oil-based hydrocarbon oil (API 1509, base oil classification by Appendix E: Group III, 40 ° C kinematic viscosity: 20.3 mm 2 / s, 100 ° C kinematic viscosity: 4.3 mm 2 / s, viscosity index : 121, 15 ° C. Density: 0.836 g / cm 3 ) Lubricating oil Base oil 4: Mineral oil-based hydrocarbon oil (API 1509, base oil classification by Appendix E: Group I, 40 ° C. kinematic viscosity: 3.4 mm 2 / s, 100 ° C.
- kinematic viscosity 1.3 mm 2 / s, viscosity index : 84, 15 ° C. Density: 0.830 g / cm 3 )
- Comparative anti-wear agent N-ole oil sarcosine (trade name: Sarkosyl O, manufactured by BASF)
- Anti-wear agent 1-1 Tricredil phosphate (trade name: TCP, manufactured by Daihachi Chemical Industry Co., Ltd., first anti-wear agent)
- Anti-wear agent 1-2 Dioleyl phosphite (trade name: JP-218-OR, manufactured by Johoku Kagaku Kogyo Co., Ltd., first anti-wear agent)
- Anti-wear agent 1-3 Zinc din-butyl phosphate (phosphorus content: 13.2% by mass, sulfur content: 0% by mass, zinc content: 13% by mass, first anti-wear agent)
- Anti-wear agent 2-1 Olefin sulfide (trade name: GS-440L,
- the lubricating oil composition prepared above was subjected to a friction property test under the following conditions using an MTM (Mini Traction Machine) tester (manufactured by PCS Instruments), and the average friction coefficient ( ⁇ ) for the last 10 minutes was obtained. Asked.
- MTM Mini Traction Machine
- For the balls prepare a commercially available steel ball of 1/2 inch, high carbon chrome bearing steel (AISI52100), hardness 800-920 HV, and surface roughness ⁇ 0.02 ⁇ m, and treat this by shot blasting. A steel ball whose surface was adjusted to 0.5 ⁇ m with an arithmetic average roughness (Ra) was used.
- the disc is injection-molded with polyetheretherketone (PEEK, super engineering plastic, Solvay's KetaSpire (registered trademark) KT-820NT) without filler, and has a size of 40 mm in length ⁇ 40 mm in width ⁇ 2 mm in thickness.
- PEEK polyetheretherketone
- the adjusted PEEK sheet was used as a disc (PEEK disc).
- volume wear amount was determined by measuring the depth of wear marks on the disc after the friction characteristic test. The results are shown in Table 1, Table 2, and Table 3. The smaller the volume wear amount, the better the wear characteristics.
- the examples using the lubricating oil composition containing the specific anti-wear agent do not contain the comparative example of only the lubricating oil base oil and the specific anti-wear agent. Compared with the comparative example using the lubricating oil composition, the friction coefficient between the sliding members could be reduced, and the amount of volume wear could be reduced. Further, as shown in Table 4, when the pair of sliding members is a steel ball and a steel disc, Comparative Example 4-2 in which a specific anti-wear agent is added adds a specific anti-wear agent. It was inferior in terms of friction characteristics and wear characteristics to that of Comparative Example 4-1 that did not exist.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
Description
(実施例2-1~2-4及び比較例2-1)
(実施例3-1~3-3及び比較例3-1、3-2)
<潤滑油組成物の調製>
表1、表2、及び表3に示す潤滑油基油及び摩耗防止剤を混合することによって、潤滑油組成物を調製した。なお、表1、表2、及び表3に示す数値は、質量部を意味する。
[潤滑油基油]
潤滑油基油1:ポリα-オレフィン(PAO、商品名:Durasyn-164、INEOS社製、40℃動粘度:17.5mm2/s、100℃動粘度:4.0mm2/s)
潤滑油基油2:ポリα-オレフィン(PAO、商品名:Durasyn-168、INEOS社製、40℃動粘度:46.0mm2/s、100℃動粘度:8.0mm2/s)
潤滑油基油3:鉱油系炭化水素油(API 1509,Appendix Eによる基油分類:GroupIII、40℃動粘度:20.3mm2/s、100℃動粘度:4.3mm2/s、粘度指数:121、15℃密度:0.836g/cm3)
潤滑油基油4:鉱油系炭化水素油(API 1509,Appendix Eによる基油分類:GroupI、40℃動粘度:3.4mm2/s、100℃動粘度:1.3mm2/s、粘度指数:84、15℃密度:0.830g/cm3)
[摩耗防止剤]
比較摩耗防止剤:N-オレオイルサルコシン(商品名:Sarkosyl O、BASF社製)
摩耗防止剤1-1:リン酸トリクレジル(商品名:TCP、大八化学工業株式会社製、第1の摩耗防止剤)
摩耗防止剤1-2:亜リン酸ジオレイル(商品名:JP-218-OR、城北化学工業株式会社製、第1の摩耗防止剤)
摩耗防止剤1-3:ジn-ブチルリン酸亜鉛(リン含有量:13.2質量%、硫黄含有量:0質量%、亜鉛含有量:13質量%、第1の摩耗防止剤)
摩耗防止剤2-1:硫化オレフィン(商品名:GS-440L、DIC株式会社製、第2の摩耗防止剤)
摩耗防止剤3-1:ジアルキルジチオリン酸亜鉛(ZnDTP、商品名:HiTEC 653、アフトンケミカルジャパン株式会社製、第3の摩耗防止剤)
上記で作製した潤滑油組成物について、MTM(Mini Traction Machine)試験機(PCS Instruments社製)を用いて、以下の条件で摩擦特性試験を行い、最後の10分間の平均の摩擦係数(μ)を求めた。なお、ボールは、1/2インチ、高炭素クロム軸受鋼(AISI52100)、硬度800-920HV、表面粗さ<0.02μmの市販品の鋼球を用意し、これをショットブラストで処理することによって表面を算術平均粗さ(Ra)で0.5μmに調整した鋼ボールを用いた。また、ディスクは、充填剤未添加のポリエーテルエーテルケトン(PEEK、スーパーエンジニアリングプラスチック、Solvay社製KetaSpire(登録商標)KT-820NT)を射出成形し、縦40mm×横40mm×厚さ2mmのサイズに調整したPEEKシートをディスク(PEEKディスク)として用いた。結果を表1、表2、及び表3に示す。摩擦係数が小さいほど、摩擦特性に優れていることを意味する。
油温:25℃
荷重:50N
周速:0.5m/s
滑り率:50%
試験時間:60分間
上記摩擦特性試験後のディスクにおける摩耗痕の深さを測定して体積摩耗量を求めた。結果を表1、表2、及び表3に示す。体積摩耗量が小さいほど、摩耗特性に優れていることを意味する。
<潤滑油組成物の調製>
表4に示す潤滑油基油及び摩耗防止剤を混合することによって、潤滑油組成物を調製した。なお、表4に示す数値は、質量部を意味する。また、各成分の詳細は、上記と同様である。
上記で作製した潤滑油組成物について、PEEKディスクを鋼ディスク(PCS社製標準鋼ディスク、材質:AISI52100)に変更した以外は、上記と同様にして、摩擦特性の評価及び摩耗特性の評価を行った。結果を表4に示す。対比のため、比較例2-1及び実施例2-3のデータも併せて示す。
Claims (2)
- 一対の摺動部材を、潤滑油組成物を用いて潤滑する潤滑方法であって、
前記一対の摺動部材の少なくとも一方が、エンジニアリングプラスチックを含む部材であり、
前記潤滑油組成物が、潤滑油基油と、構成元素としてリンを含みかつ硫黄を含まない摩耗防止剤、構成元素として硫黄を含みかつリンを含まない摩耗防止剤、並びに構成元素としてリン及び硫黄を含む摩耗防止剤からなる群より選ばれる少なくとも1種の摩耗防止剤とを含有する、潤滑方法。 - 前記一対の摺動部材は、一方がエンジニアリングプラスチックを含む部材であり、他方が鉄系材料を含む部材である、請求項1に記載の潤滑方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020217039355A KR20220003074A (ko) | 2019-05-09 | 2020-04-28 | 윤활 방법 |
CN202080034043.5A CN113811593B (zh) | 2019-05-09 | 2020-04-28 | 润滑方法 |
SG11202112231PA SG11202112231PA (en) | 2019-05-09 | 2020-04-28 | Lubrication method |
JP2021518367A JPWO2020226106A1 (ja) | 2019-05-09 | 2020-04-28 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019089255 | 2019-05-09 | ||
JP2019-089255 | 2019-05-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020226106A1 true WO2020226106A1 (ja) | 2020-11-12 |
Family
ID=73051110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2020/018150 WO2020226106A1 (ja) | 2019-05-09 | 2020-04-28 | 潤滑方法 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPWO2020226106A1 (ja) |
KR (1) | KR20220003074A (ja) |
CN (1) | CN113811593B (ja) |
SG (1) | SG11202112231PA (ja) |
WO (1) | WO2020226106A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007105452A1 (ja) * | 2006-03-10 | 2007-09-20 | Idemitsu Kosan Co., Ltd. | 冷凍機油組成物 |
JP2010001473A (ja) * | 2008-06-23 | 2010-01-07 | Afton Chemical Corp | 滑斜面に適用するための摩擦調整剤 |
WO2014142157A1 (ja) * | 2013-03-14 | 2014-09-18 | 出光興産株式会社 | 高温用潤滑油組成物 |
JP2015193858A (ja) * | 2015-08-07 | 2015-11-05 | ミネベア株式会社 | 樹脂潤滑用グリース組成物 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007058072A1 (ja) | 2005-11-15 | 2007-05-24 | Idemitsu Kosan Co., Ltd. | 冷凍機油 |
JP5258170B2 (ja) * | 2006-05-02 | 2013-08-07 | 東レ・ダウコーニング株式会社 | 潤滑グリース組成物 |
JP5139665B2 (ja) * | 2006-11-02 | 2013-02-06 | 出光興産株式会社 | 冷凍機用潤滑油組成物 |
EP2236589B1 (en) * | 2007-11-22 | 2016-09-21 | Idemitsu Kosan Co., Ltd. | Lubricating oil composition for refrigerating machine |
JP5612250B2 (ja) * | 2008-03-07 | 2014-10-22 | 出光興産株式会社 | 冷凍機用潤滑油組成物 |
JP5568018B2 (ja) * | 2008-12-26 | 2014-08-06 | シチズン電子株式会社 | 潤滑用キットおよび該潤滑用キットを用いた小型電子機器 |
CN101880578B (zh) * | 2010-06-24 | 2012-11-28 | 福州三辰新材料有限公司 | 一种塑料专用润滑脂及其制备方法 |
JP5796834B2 (ja) * | 2013-02-28 | 2015-10-21 | ミネベア株式会社 | 樹脂潤滑用グリース組成物 |
WO2018181203A1 (ja) * | 2017-03-31 | 2018-10-04 | Jxtgエネルギー株式会社 | 潤滑油用添加剤、潤滑油組成物、及び摺動機構 |
-
2020
- 2020-04-28 CN CN202080034043.5A patent/CN113811593B/zh active Active
- 2020-04-28 WO PCT/JP2020/018150 patent/WO2020226106A1/ja active Application Filing
- 2020-04-28 JP JP2021518367A patent/JPWO2020226106A1/ja active Pending
- 2020-04-28 SG SG11202112231PA patent/SG11202112231PA/en unknown
- 2020-04-28 KR KR1020217039355A patent/KR20220003074A/ko not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007105452A1 (ja) * | 2006-03-10 | 2007-09-20 | Idemitsu Kosan Co., Ltd. | 冷凍機油組成物 |
JP2010001473A (ja) * | 2008-06-23 | 2010-01-07 | Afton Chemical Corp | 滑斜面に適用するための摩擦調整剤 |
WO2014142157A1 (ja) * | 2013-03-14 | 2014-09-18 | 出光興産株式会社 | 高温用潤滑油組成物 |
JP2015193858A (ja) * | 2015-08-07 | 2015-11-05 | ミネベア株式会社 | 樹脂潤滑用グリース組成物 |
Also Published As
Publication number | Publication date |
---|---|
SG11202112231PA (en) | 2021-12-30 |
JPWO2020226106A1 (ja) | 2020-11-12 |
CN113811593B (zh) | 2023-02-17 |
KR20220003074A (ko) | 2022-01-07 |
CN113811593A (zh) | 2021-12-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4885533B2 (ja) | 冷凍機油組成物、これを用いた冷凍機用圧縮機及び冷凍装置 | |
CN101341234B (zh) | 冷冻机油组合物、使用其的冷冻机用压缩机和冷冻装置 | |
JP4927349B2 (ja) | 冷凍機油組成物、これを用いた圧縮機及び冷凍装置 | |
JP5188248B2 (ja) | グリース組成物およびそのグリース組成物を用いた直動装置 | |
JP5462451B2 (ja) | 潤滑剤組成物 | |
JP6348182B2 (ja) | 潤滑剤組成物及び潤滑剤組成物の製造方法 | |
WO2009096570A1 (ja) | 潤滑剤組成物 | |
US10800991B2 (en) | Lubricating oil composition, and precision reduction gear using same | |
WO2020226106A1 (ja) | 潤滑方法 | |
CN110662826B (zh) | 润滑脂组合物以及用其涂覆的滑动构件 | |
US10647940B2 (en) | Lubricating oil composition, and precision reduction gear using same | |
JP2018141049A (ja) | 潤滑剤組成物 | |
JP2004331895A (ja) | シリコーン潤滑油組成物 | |
EP3824051A1 (en) | Lubricant grease composition based on silicone base stock | |
Jiang et al. | Synergistic effect of diisopropyl phosphite and ashless organic ammonium phosphate salt additives on tribological properties of AISI 52100 steel/Al2O3 ceramics |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20801450 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2021518367 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20217039355 Country of ref document: KR Kind code of ref document: A |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20801450 Country of ref document: EP Kind code of ref document: A1 |