WO2010125060A1 - VERSCHLEIßFESTER GLEITLACK FÜR DIE BESCHICHTUNG VON MOTORKOLBEN - Google Patents
VERSCHLEIßFESTER GLEITLACK FÜR DIE BESCHICHTUNG VON MOTORKOLBEN Download PDFInfo
- Publication number
- WO2010125060A1 WO2010125060A1 PCT/EP2010/055619 EP2010055619W WO2010125060A1 WO 2010125060 A1 WO2010125060 A1 WO 2010125060A1 EP 2010055619 W EP2010055619 W EP 2010055619W WO 2010125060 A1 WO2010125060 A1 WO 2010125060A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coating
- wear
- coating composition
- piston
- composition according
- 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
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/061—Carbides; Hydrides; Nitrides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
- C10M2201/066—Molybdenum sulfide
-
- 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
-
- 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]
-
- 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
- C10N2040/25—Internal-combustion engines
-
- 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
- C10N2050/015—Dispersions of solid lubricants
- C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating
Definitions
- the invention relates to a coating for pistons, in particular a coating for the piston skirt of an internal combustion engine.
- Coatings for the piston skirt should have a high wear resistance with at the same time a low friction coefficient.
- the passage through the coating in the load-bearing areas of the piston skirt should be avoided.
- Lubricant composition for coating the surface of pistons and / or cylinders of engines using alcohol or non-petroleum based products as fuel.
- This lubricant composition comprises a mixture of graphite, M0S2 and PTFE in a matrix of one
- PAI resin Polyamideimide resin
- EP 1 469 050 A1 describes a
- Coating composition for pistons made by mixing unhardened polyamide-imide (PAI) with a
- Solid lubricant such as PTFE, titanium oxide powder and a silane coupling agent is obtained.
- DE 10 2005 026 664 A1 likewise describes a coating for a piston based on a PAI paint. This coating is PTFE-free and contains 5-15% by weight of 2- zinc sulfide, 5-15% by weight of graphite or MoS 2 and 5-15% by weight of TiO 2. Both zinc sulfide and TiC> 2 are in the form of fine particles used with a particle size of ⁇ 0.7 ⁇ ra.
- DE 43 43 439 A1 describes a reciprocating piston assembly which has a piston with a relief-shaped piston skirt with webs, which are coated with a pestle made of graphite, M0S2, BN in an epoxy resin.
- EP 0 976 795 A2 describes a corrosion-protecting lubricant for hinges or the like which contains as a lubricant a mixture of phenolic resin, epoxy resin, polyvinyl butyral resin and polyolefin wax.
- the coating further contains aluminum, zinc particles or a metal phosphate as a corrosion inhibitor and a solvent.
- DE 103 29 228 A1 describes a polymer composite material for sliding bearings with a polymer matrix, which is e.g. can consist of epoxy resin or PEEK. In this polymer matrix, a filler and nanoscale particles are embedded. As filling material aramid fibers,
- the nanoscale particles can be formed by TiO 2 , Al 2 O 3 , MgO, ZeO 2 , SiC, Si 3 N 4 , BN, glasses and metallic hard materials.
- the invention has for its object to provide a coating composition for a piston, which has an improved wear resistance and minimizes friction losses in the engine. This object is achieved by the coating composition according to claim 1.
- Piston shaft coatings deliver, whose properties are equal to the systems of the prior art, or even surpass these.
- the composition of the invention comprises a thermally curable phenolic resin.
- Thermally curable phenolic resins so-called resoles, in contrast to the novolacs, can crosslink via hydroxyl groups. Preference is given to using phenolic resins having an average molecular weight of 500-1500 g / mol.
- the composition according to the invention further comprises an epoxy resin.
- epoxy resins generally improves the adhesion of the layers to metallic surfaces and their flexibility.
- Epoxy resins based on bisphenol A having a molecular weight of 2000-4000 g / mol and an epoxy equivalent of> 700 g / mol are preferably used for this purpose.
- these resins are preferably used as a solution in a solvent.
- the choice of solvent depends essentially on the type of paint application and has no influence on the properties of the cured coating.
- the coating of pistons is often carried out by screen printing.
- solvents with a high boiling point are preferred for this application.
- Suitable solvents include butylglycol acetate, ethyl glycol acetate, dipropylene glycol, dipropylene glycol butyl ether, butoxyethanol.
- the phenolic resin and optionally the epoxy resin can also be used as water-dilutable dispersion.
- Molybdenum disulfide is preferably used with an average particle size of 0, l-50 ⁇ m, more preferably from 0, l-10 ⁇ m.
- Boron nitride in hexag ⁇ nalen modification is preferably used with a mean grain size in the range of l-100 ⁇ m, more preferably in the range of l-20 ⁇ m.
- PTFE Polytetrafluoroethylene
- graphite When graphite is used as the solid lubricant, it is preferably used in an amount of 2-8% by weight based on the total composition.
- MoS 2 When MoS 2 is used as the solid lubricant, it is preferably used in an amount of 10-20% by weight based on the total composition.
- the grain size of the o.g. Solid lubricants can be measured by means of scattered light methods in a manner known to those skilled in the art.
- the composition according to the invention contains carbon fibers. Preferably, these are used in an amount of 2-10 wt .-%, in particular 2-8 wt .-%, based on the total composition. Preference is given to carbon fibers having an average fiber thickness ⁇ 100 .mu.m, preferably from 1 to 10 .mu.m, and an average fiber length ⁇ 100 .mu.m, preferably from 10 to 500 .mu.m.
- the composition of the invention may also contain so-called carbon nanofibers whose mean Fiber thickness, in contrast to conventional carbon fibers below I ⁇ m, preferably in a range of 10-500nm. The thickness and the length of conventional Carbonfa ⁇ ern be determined with a light microscope. For carbon nanofibers, these can be determined by scanning electron microscopy.
- composition may also contain additives and auxiliaries, such as, for example, leveling additives, defoamers, wetting agents, dispersing aids or also rheology additives.
- auxiliaries such as, for example, leveling additives, defoamers, wetting agents, dispersing aids or also rheology additives.
- Al 2 O 3 dispersion of ceramic alumina nanoparticles
- TiO 2 dispersion of titanium dioxide (rutile); Fineness ⁇ 5 ⁇ m
- the amount of resins refers to the solids content.
- the amount of additives and auxiliaries refers to the delivery form.
- PAI thermally curable polyamide-imide resin
- TiO 2 dispersion of titanium dioxide (rutile), fineness ⁇ 5 ⁇ m
- the tribological properties of the layers were investigated with a Cameron Plint TE-77 tribotester (vibration-wear test).
- aluminum samples were coated with the coating formulations according to the invention and the coefficients of friction of the layers were measured in a pairing with cast iron as counter-body.
- the measurements were carried out under a load of 150N and at an oscillation frequency of 25Hz in the non-oiled state.
- Wear resistance of the layers under engine conditions is of crucial importance.
- corresponding pistons were subjected to a wear test in an engine test bench. This consisted of 50 consecutive cold starts at -1O 0 C in a commercial 4-cylinder gasoline engine.
- the wear of the lubricating paint coating on the piston skirt was assessed visually after this test and rated with grades of 1 to 5. Grade 1 means no visible wear of the coating and grade 5 high wear to the piston material throughout the load bearing area of the piston skirt.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Lubricants (AREA)
- Paints Or Removers (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012507713A JP5728000B2 (ja) | 2009-04-29 | 2010-04-27 | ピストンおよびそのコーティング |
CN2010800191831A CN102369251A (zh) | 2009-04-29 | 2010-04-27 | 一种耐磨、抗磨引擎活塞涂漆 |
KR1020117028330A KR101737912B1 (ko) | 2009-04-29 | 2010-04-27 | 엔진 피스톤 코팅용 내마모성 윤활 라카 |
US13/318,193 US9441182B2 (en) | 2009-04-29 | 2010-04-27 | Wear-resistant antifriction lacquer for coating engine pistons |
ES10718549T ES2576738T5 (es) | 2009-04-29 | 2010-04-27 | Laca deslizante resistente al desgaste para el recubrimiento de pistones de motor |
PL10718549T PL2424946T5 (pl) | 2009-04-29 | 2010-04-27 | Odporny na zużycie lakier przeciwcierny do powlekania tłoków silników |
RU2011148408/05A RU2534135C2 (ru) | 2009-04-29 | 2010-04-27 | Износостойкий антифрикционный лак для покрытия поршня двигателя |
BRPI1013909A BRPI1013909A2 (pt) | 2009-04-29 | 2010-04-27 | laca luibrificante resistente ao desgaste para revestimento de pistões de motores |
MX2011011438A MX2011011438A (es) | 2009-04-29 | 2010-04-27 | Laca antifriccion resistente al desgaste para revestir pistones de motores. |
EP10718549.8A EP2424946B2 (de) | 2009-04-29 | 2010-04-27 | VERSCHLEIßFESTER GLEITLACK FÜR DIE BESCHICHTUNG VON MOTORKOLBEN |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009002716.5 | 2009-04-29 | ||
DE102009002716A DE102009002716A1 (de) | 2009-04-29 | 2009-04-29 | Verschleißfester Gleitlack für die Beschichtung von Motorkolben |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010125060A1 true WO2010125060A1 (de) | 2010-11-04 |
Family
ID=42244493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/055619 WO2010125060A1 (de) | 2009-04-29 | 2010-04-27 | VERSCHLEIßFESTER GLEITLACK FÜR DIE BESCHICHTUNG VON MOTORKOLBEN |
Country Status (13)
Country | Link |
---|---|
US (1) | US9441182B2 (de) |
EP (1) | EP2424946B2 (de) |
JP (1) | JP5728000B2 (de) |
KR (1) | KR101737912B1 (de) |
CN (1) | CN102369251A (de) |
BR (1) | BRPI1013909A2 (de) |
DE (1) | DE102009002716A1 (de) |
ES (1) | ES2576738T5 (de) |
HU (1) | HUE027505T2 (de) |
MX (1) | MX2011011438A (de) |
PL (1) | PL2424946T5 (de) |
RU (1) | RU2534135C2 (de) |
WO (1) | WO2010125060A1 (de) |
Cited By (9)
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CN102002302A (zh) * | 2010-11-17 | 2011-04-06 | 安庆中船柴油机有限公司 | 液体涂料及其制备方法 |
CN103642555A (zh) * | 2013-11-28 | 2014-03-19 | 大庆市盛日石油技术开发有限公司 | 一种润滑耐磨涂覆剂及其制备工艺 |
US8895537B2 (en) | 2010-10-29 | 2014-11-25 | Infirst Healthcare Ltd. | Compositions and methods for treating cardiovascular diseases |
US10294441B2 (en) | 2014-03-04 | 2019-05-21 | Dow Corning Toray Co., Ltd. | Coating composition for lubricating coating film |
US11000493B2 (en) | 2010-10-29 | 2021-05-11 | Infirst Healthcare Limited | Solid solution compositions and use in chronic inflammation |
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RU2586217C1 (ru) * | 2012-04-26 | 2016-06-10 | Минебеа Ко., Лтд. | Отверждаемая ультрафиолетовым излучением полимерная композиция, скользящее сопряжение, и способ изготовления скользящего сопряжения |
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DE102013204577A1 (de) | 2013-03-15 | 2014-10-02 | Federal-Mogul Nürnberg GmbH | Beschichtete Kolben und Verfahren zu ihrer Herstellung |
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DE102013206801A1 (de) | 2013-04-16 | 2014-10-16 | Federal-Mogul Nürnberg GmbH | Verfahren zur Herstellung eines beschichteten Kolbens |
DE102013206799A1 (de) | 2013-04-16 | 2014-10-16 | Federal-Mogul Nürnberg GmbH | Haftungsoptimierte Beschichtungszusammensetzung zur Kolbenbeschichtung |
GB201322453D0 (en) * | 2013-12-18 | 2014-02-05 | Dow Corning | Antifriction coating |
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FR3061756B1 (fr) * | 2017-01-11 | 2019-05-10 | H.E.F. | Piston pour machine thermique, machine thermique comprenant un tel piston, et procedes |
DE102017207591A1 (de) | 2017-05-05 | 2018-11-08 | Federal-Mogul Nürnberg GmbH | Stahlkolben mit einer Phosphat-Schicht |
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- 2010-04-27 HU HUE10718549A patent/HUE027505T2/en unknown
- 2010-04-27 JP JP2012507713A patent/JP5728000B2/ja active Active
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- 2010-04-27 ES ES10718549T patent/ES2576738T5/es active Active
- 2010-04-27 CN CN2010800191831A patent/CN102369251A/zh active Pending
- 2010-04-27 US US13/318,193 patent/US9441182B2/en active Active
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US8895537B2 (en) | 2010-10-29 | 2014-11-25 | Infirst Healthcare Ltd. | Compositions and methods for treating cardiovascular diseases |
US11154500B2 (en) | 2010-10-29 | 2021-10-26 | Infirst Healthcare Limited | Solid solution compositions and use in chronic inflammation |
US11202831B2 (en) | 2010-10-29 | 2021-12-21 | Infirst Healthcare Limited | Solid solution compositions and use in cardiovascular disease |
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CN102002302A (zh) * | 2010-11-17 | 2011-04-06 | 安庆中船柴油机有限公司 | 液体涂料及其制备方法 |
CN103642555A (zh) * | 2013-11-28 | 2014-03-19 | 大庆市盛日石油技术开发有限公司 | 一种润滑耐磨涂覆剂及其制备工艺 |
US10294441B2 (en) | 2014-03-04 | 2019-05-21 | Dow Corning Toray Co., Ltd. | Coating composition for lubricating coating film |
Also Published As
Publication number | Publication date |
---|---|
EP2424946B2 (de) | 2019-08-07 |
ES2576738T3 (es) | 2016-07-11 |
RU2011148408A (ru) | 2013-06-10 |
KR101737912B1 (ko) | 2017-05-19 |
DE102009002716A1 (de) | 2010-11-11 |
JP5728000B2 (ja) | 2015-06-03 |
HUE027505T2 (en) | 2016-10-28 |
US9441182B2 (en) | 2016-09-13 |
RU2534135C2 (ru) | 2014-11-27 |
JP2012525457A (ja) | 2012-10-22 |
MX2011011438A (es) | 2012-02-23 |
PL2424946T5 (pl) | 2019-11-29 |
US20120103183A1 (en) | 2012-05-03 |
ES2576738T5 (es) | 2020-03-24 |
EP2424946A1 (de) | 2012-03-07 |
EP2424946B1 (de) | 2016-04-13 |
KR20120016109A (ko) | 2012-02-22 |
PL2424946T3 (pl) | 2016-09-30 |
CN102369251A (zh) | 2012-03-07 |
BRPI1013909A2 (pt) | 2016-04-05 |
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