EP2084252A1 - Couche ultra-mince hydrophobe et oleophobe, procede de fabrication et utilisation en horlogerie comme epilame - Google Patents
Couche ultra-mince hydrophobe et oleophobe, procede de fabrication et utilisation en horlogerie comme epilameInfo
- Publication number
- EP2084252A1 EP2084252A1 EP07816284A EP07816284A EP2084252A1 EP 2084252 A1 EP2084252 A1 EP 2084252A1 EP 07816284 A EP07816284 A EP 07816284A EP 07816284 A EP07816284 A EP 07816284A EP 2084252 A1 EP2084252 A1 EP 2084252A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ultra
- layer according
- thin layer
- gold
- nickel
- 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.)
- Granted
Links
Classifications
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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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/56—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing nitrogen
- C10M105/68—Amides; Imides
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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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/20—Aldehydes; 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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/50—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen
- C10M105/54—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen containing carbon, hydrogen, halogen and oxygen
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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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/56—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing nitrogen
- C10M105/58—Amines, e.g. polyalkylene polyamines, quaternary amines
- C10M105/60—Amines, e.g. polyalkylene polyamines, quaternary amines having amino groups bound to an acyclic or cycloaliphatic carbon atom
- C10M105/62—Amines, e.g. polyalkylene polyamines, quaternary amines having amino groups bound to an acyclic or cycloaliphatic carbon atom containing hydroxy 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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/56—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing nitrogen
- C10M105/70—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing nitrogen as ring hetero atom
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
- G04B31/08—Lubrication
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/08—Aldehydes; Ketones
- C10M2207/085—Aldehydes; Ketones 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
- C10M2215/0425—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/08—Amides [having hydrocarbon substituents containing less than thirty carbon atoms]
- C10M2215/0806—Amides [having hydrocarbon substituents containing less than thirty carbon atoms] 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/2203—Heterocyclic nitrogen compounds 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/06—Instruments or other precision apparatus, e.g. damping fluids
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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
- C10N2050/015—Dispersions of solid lubricants
- C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12556—Organic component
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31725—Of polyamide
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon
Definitions
- the present invention relates to a new ultra-thin hydrophobic and oleophobic layer formed by self-assembly on a solid substrate surface of catechol foot compounds, a process for preparing this ultra-thin layer and the use thereof as an epilame.
- the proper functioning of a watch movement depends, among other things, on its lubrication.
- the durability of the lubricant depends in particular on its maintenance in the operating zone: every watchmaker, however, has noticed that a drop of lubricant spreads rapidly over a clean part.
- the deposition of an epilame layer generally in the form of a hydrophobic and oleophobic invisible molecular layer, avoids the spreading of the lubricant and its components.
- the spreading of a liquid depends on the interaction forces between the liquid, the surface and the surrounding air (see JC Berg, “Wettability", Marcel Dekker, New York, 1993 and AW Adamson, “Physical Chemistry of Surfaces”. “, Wiley).
- the parameter that characterizes the interaction forces between a liquid and the air is the surface tension, ⁇ LV .
- a surface energy ⁇ sv is similarly defined between a solid and the surrounding air and a parameter ⁇ L s between the solid and the liquid.
- the Young equation also shows that if the surface tension of the liquid is lower than the surface energy, the contact angle is zero and the liquid wets the surface. This is what happens for a lubricant deposited on a clean metal surface: in In fact, a lubricant has a surface tension of 35-40 mN / m, whereas a common metal surface has a higher surface energy.
- the surface energy depends on several factors (JP Renaud and P. Dinichert, 1956, “Surface states and spreading of clockwork oils", Bulletin SSC III page 681): the chemical composition and the crystallographic structure of the solid, and in particular of its surface, the geometrical characteristics of the surface and its roughness (and thus the defects and / or the polishing state), the presence of molecules adsorbed physically or chemically bonded to the surface, which can easily mask the solid and significantly change its surface energy.
- this contact angle is about 30 °, whereas it is about 110 ° for a -CH 3 functional group (eg C 12 H 25 SH ) and about 118 ° for a -CF 3 functional group (eg, C 10 F 17 H 4 SH).
- a -CH 3 functional group eg C 12 H 25 SH
- a -CF 3 functional group eg, C 10 F 17 H 4 SH
- the deposition of the compound on the substrate is carried out by soaking it in a solution of perfluorinated solvent loaded with polymer.
- the solvent used is generally tetradecafluorohexane (CeFi 4 ) which, once volatilized, is a greenhouse gas since it remains stable for 3200 years in the air and has a greenhouse potential of 7400 equ. CO 2 . It is an object of the invention to provide compounds useful as an epilame which can be attached to a solid substrate surface without the use of environmentally toxic fluorinated solvents.
- the invention indeed proposes a novel ultra-thin hydrophobic and oleophobic layer formed by self-assembly on a solid substrate surface of catechol foot compounds, and a process for preparing this ultra-thin layer which uses a non-fluorinated solvent which is environmentally friendly.
- the environment for example a mixture of water and 2-propanol.
- This ultra-thin layer is firmly fixed to the surface of the solid substrate.
- This ultra-thin layer has satisfactory properties for use as epilame, particularly a contact angle in advance with water and a spread of a drop of oil, quite comparable to those of the layer obtained from the reference product Fixodrop FK-BS.
- the invention thus makes an important contribution to the ecological preparation of epilames.
- the catechol foot compounds have the general formula
- A represents a group of formula
- Z represents C or N +
- X represents CH or CL
- L being an electron-withdrawing group chosen from F, Cl, Br, I, CF 3 , NO 2 and N (CH 3 ) S + ,
- Y represents H or CH 3 , or Y forms with X a heterocycle of 5 or 6 atoms
- T represents NH, NH-CO, NH-CO-NH or NH 2 + U " , ⁇ " being a soluble anion, such as by example F “, Cl”, Br ⁇ , I, OH “, NO 3", HSO 4 ", SO 4 2 ', CO 3 2-", HCO 3 "or SCN", and
- Group B represents a linear aliphatic alkyl group C x -C 20 substituted partially or completely by F.
- Group A is used in particular to allow attachment of compounds to the surface of the solid substrate with the catechol group and solubilizing the amphiphilic molecule in the AB soaking solution.
- Group B gives the ultra-thin layer its hydrophobic and oleophobic properties.
- the group B is a linear aliphatic group perfluorinated in its terminal part, for example of formula (CH 2 ) n - (CF 2 ) m CF 3 in which n is 1 to 5, in particular 1 to 3 and m is 4 to 11, especially 5 to 9.
- Interesting groups A are those selected from one of the following groups:
- a particularly preferred compound is N- (3,4-dihydroxyphenethyl) -4,4,5,6,6,7,7,8,8,9,9,10,10,11,11,11,11. heptadécafluoroundécanamide
- the compounds of formulas AB can be obtained from known compounds using techniques and reactions well known to the organic chemist.
- N- (3,4-dihydroxyphenethyl) -4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoroundecanamide may be obtained by reacting 2H, 2H, 3H, 3H-perfluoro-undecanoic acid-N-succinimidyl ester and 3-hydroxy-tyrosine acid hydrochloric acid solution in DMF in the presence of N-methylmorpholine.
- the solid substrate on the surface of which the self-assembly is made may be any solid substrate involved in the operation of a mechanical movement, in particular consisting of a material selected from among gold, silver, silver steel, including 20AP steel, aluminum, brass, bronze, cuproberyllium, titanium dioxide, ruby, sapphire, silicon, nickel and nickel-phosphorus, as well as other surfaces metal, such as iron, chromium, tantalum, yttrium, silicon, germanium, copper, platinum, and metal or ceramic oxides, such as zirconia and niobium (niobium oxide), list not being limiting.
- the substrate may also be a substrate in one of these materials or another whose surface has been coated or coated, for example by a galvanic deposition of gold, gold-copper-cadmium and gold, nickel, rhodium, tin-nickel, or anodized, as in the case of aluminum alloy or titanium parts, or modified by a surface treatment such as oxidation, carburization or nitriding.
- the thickness of the ultra-thin layer measured in ellipsometry is generally 0.5 to 10 nm, a higher value which will be retained for the definition of ultrathin, preferably 1 to 4 nm.
- the contact angle in advance with the water must generally be at least 100 °.
- the ultra-thin layer of formula A-B remains functional as epilame after two watch washes.
- the invention also relates to a timepiece characterized in that it comprises an ultra-thin layer as defined above.
- the invention also relates to a process for preparing the ultra-thin layer defined above, characterized in that it comprises immersing the substrate in a solution of the compound of formula AB, for example in water, or a mixture of water and protic solvent such as, for example, 2-propanol.
- This process does not use a fluorinated solvent and is therefore respectful of the environment.
- SuSoS2 (0.052 mmol) 33 mg was dissolved in 35 ml of 2-propanol in a graduated 100 ml flask and shaken until completely dissolved. Ultrapure water was added to the mark and shaken vigorously, which increased the temperature of the solution. After returning the solution to room temperature, a few drops of water were added to adjust the volume to 100 ml. The solution was sonicated for 10 seconds to degas it and allow complete mixing of water and 2-propanol.
- Samples of gold, polished steel, aluminum, titanium oxide and rubies were cleaned in a UV / ozone chamber for 30 minutes and immersed overnight in the SuSoS2 solution. The samples were then immersed in 2-propanol for 10 seconds, rinsed with 2-propanol and dried with a stream of nitrogen. In the case of steel, the surfaces were lightly polished with a wipe soaked in 2-propanol, rinsed with additional 2-propanol and dried with nitrogen flow.
- VASE Variable Angle
- Titanium and Titanium Oxide Surfaces ", Langmuir 18 (9): 3537-3548, as follows: Surface wettability was determined by measuring the angles of contact in advance and recoil on a sessile (water) drop (Contact Angle Measuring System, G2 / G40 2.05-D, Kruss GmbH, Hamburg, Germany); the experiment was conducted automatically by increasing and decreasing the size of the drop at a rate of 15 ml per minute; 480 values were measured for the advance contact angle and 240 for the recoil contact angle, at 3 different locations for each sample); the data collected was analyzed by the tangents 2 method (Drop-Shape Analysis program adjustment routine in Version DSA 1.80.0.2 for
- the different substrates used are:
- Table 1 Thickness measured by ellipsometry and advance contact angles with water
- XPS X-ray photoelectron spectroscopy
- An ultra-thin layer of SuSoS2 is coated with substrates of gold, polished steel and ruby as described in Example 2.
- the surface appearance is excellent and no markings can be distinguished due to the deposit .
- Fixodrop FK-BS An ultra-thin layer of Fixodrop FK-BS is coated with gold, polished steel and ruby substrates as specified by the manufacturer by dipping the substrates in a solution of tetradecafluorohexane.
- the thickness of this layer measured by ellipsometry on gold is 0.7 nm for SuSoS2 and 1.7 nm for Fixodrop.
- the contact angles with water, hexadecane, diodomethane and ethylene glycol are acceptable for use as epilam, and comparable with those measured for Fixodrop.
- SuSoS2 For gold, steel and ruby, the layer formed with SuSoS2 shows a dispersive character only, as expected for a molecule of this type.
- the surface energy seems to vary with the material, but is in any case below 20 mJ / m 2 .
- the weakest energy (and therefore a priori the best holding) is obtained for steel, followed by ruby and gold. 3) Measurement of spreading lubricants
- the spreading of the lubricants on a surface is characterized by measuring the average diameter of a drop of typically 0.5 mm in diameter immediately after the drop has been deposited and after 20 minutes.
- the spread corresponds to the relative variation of the average diameter after 20 minutes.
- a good performance of a lubricant corresponds to a spread of 2% or less. Spreading greater than 10% is noticeable in the eye and is not acceptable.
- the oils used for the tests are a watch oil “941" (house Moebius and Fils, mixture of alkyl-aryl-monooleate and two C 3.0 -C 13 di-esters, viscosity of 110 cSt at 20 0 C, surface tension of 32.8 mN / m) and a test oil CESNIII (Swiss Laboratory for Watchmaking Research, silicone oil, surface tension of 23.1 mN / m, "Watchmaking Switzerland” No 43, 7.11.1974).
- the spread is in all cases less than 1%, and is comparable to that measured for the Fixodrop, as shown by the table below.
- the contact angle obtained on the ultra-thin layers made with the SuSoS2 molecule is greater than 100 °, the surface energy is less than 20 mJ m -2 , and the spread is less than
- the properties of the SuSoS2 ultra-thin layer are at least as good as those obtained with the commercial product Fixodrop, and the solvent used for the dipping is environmentally friendly.
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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)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07816284.9A EP2084252B1 (fr) | 2006-12-01 | 2007-11-29 | Couche ultra-mince hydrophobe et oleophobe, procede de fabrication et utilisation en horlogerie comme epilame |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20060405504 EP1927648A1 (fr) | 2006-12-01 | 2006-12-01 | Couche ultra-mince hydrophobe et oléophobe, procédé de fabrication et utilisation en horlogerie comme épilame |
| EP07816284.9A EP2084252B1 (fr) | 2006-12-01 | 2007-11-29 | Couche ultra-mince hydrophobe et oleophobe, procede de fabrication et utilisation en horlogerie comme epilame |
| PCT/CH2007/000601 WO2008064510A1 (fr) | 2006-12-01 | 2007-11-29 | Couche ultra-mince hydrophobe et oleophobe, procede de fabrication et utilisation en horlogerie comme epilame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2084252A1 true EP2084252A1 (fr) | 2009-08-05 |
| EP2084252B1 EP2084252B1 (fr) | 2017-03-29 |
Family
ID=38031431
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20060405504 Withdrawn EP1927648A1 (fr) | 2006-12-01 | 2006-12-01 | Couche ultra-mince hydrophobe et oléophobe, procédé de fabrication et utilisation en horlogerie comme épilame |
| EP07816285.6A Active EP2084253B1 (fr) | 2006-12-01 | 2007-11-29 | Couche ultra-mince hydrophobe et oleophobe, procede de fabrication et utilisation en horlogerie comme epilame |
| EP07816284.9A Active EP2084252B1 (fr) | 2006-12-01 | 2007-11-29 | Couche ultra-mince hydrophobe et oleophobe, procede de fabrication et utilisation en horlogerie comme epilame |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20060405504 Withdrawn EP1927648A1 (fr) | 2006-12-01 | 2006-12-01 | Couche ultra-mince hydrophobe et oléophobe, procédé de fabrication et utilisation en horlogerie comme épilame |
| EP07816285.6A Active EP2084253B1 (fr) | 2006-12-01 | 2007-11-29 | Couche ultra-mince hydrophobe et oleophobe, procede de fabrication et utilisation en horlogerie comme epilame |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US20100068553A1 (fr) |
| EP (3) | EP1927648A1 (fr) |
| JP (1) | JP5385788B2 (fr) |
| CN (1) | CN101611124B (fr) |
| WO (2) | WO2008064510A1 (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1927648A1 (fr) * | 2006-12-01 | 2008-06-04 | Rolex Sa | Couche ultra-mince hydrophobe et oléophobe, procédé de fabrication et utilisation en horlogerie comme épilame |
| US8951630B2 (en) | 2006-12-01 | 2015-02-10 | Rolex S.A. | Ultra-thin hydrophobic and oleophobic layer, method of manufacture and use in watchmaking as an epilame and in mechanical engineering as a barrier film |
| EP2655577B1 (fr) * | 2010-12-23 | 2014-04-23 | Rolex S.A. | Composition pour augmenter la lipophobicite d'un composant horloger |
| DE102011088232A1 (de) * | 2011-12-12 | 2013-06-13 | Aktiebolaget Skf | Lagerkäfig und Lagerkäfigsegment |
| FR2990433A1 (fr) * | 2012-05-10 | 2013-11-15 | Surfactis Technologies | Compositions catanioniques de recouvrement de surface par des molecules phosphoniques et amines |
| CH708539B1 (en) * | 2012-07-10 | 2017-03-31 | Swatch Group Res & Dev Ltd | Agent for the surface lubrication of an object. |
| EP2865737A1 (fr) * | 2013-10-28 | 2015-04-29 | The Swatch Group Research and Development Ltd. | Produit noble épilame |
| CN107974680A (zh) * | 2016-10-21 | 2018-05-01 | 苏州汉力新材料有限公司 | 一种铝基底表面制备超疏油表面的方法 |
| EP3315214B1 (fr) | 2016-10-25 | 2020-07-15 | The Swatch Group Research and Development Ltd | Procédé d'épilamage d'un élement d'une pièce d'horlogerie ou de bijouterie |
| EP3398978B1 (fr) * | 2017-05-05 | 2020-03-11 | The Swatch Group Research and Development Ltd | Agent d'épilamage et procédé d'épilamage utilisant un tel agent d'épilamage |
| EP4075205B1 (fr) | 2021-04-16 | 2024-12-11 | ETA SA Manufacture Horlogère Suisse | Procédé de fabrication d'un mobile d'horlogerie et mobile d'horlogerie obtenu par sa mise en oeuvre |
| WO2025068217A1 (fr) | 2023-09-27 | 2025-04-03 | Rolex Sa | Composant de rappel élastique pour mouvement horloger |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD238812C2 (de) * | 1985-06-27 | 1989-05-03 | Ruhla Uhren Veb K | Verfahren zur herstellung von schmier-, gleit- und antisreadschichten auf lager- und gleitelementen von uhren |
| JP3583168B2 (ja) * | 1994-08-03 | 2004-10-27 | 株式会社ネオス | 含フッ素ベンズアセタール誘導体 |
| US20030087338A1 (en) * | 2001-07-20 | 2003-05-08 | Messersmith Phillip B. | Adhesive DOPA-containing polymers and related methods of use |
| US7858679B2 (en) * | 2001-07-20 | 2010-12-28 | Northwestern University | Polymeric compositions and related methods of use |
| US7618937B2 (en) * | 2001-07-20 | 2009-11-17 | Northwestern University | Peptidomimetic polymers for antifouling surfaces |
| US8815793B2 (en) * | 2001-07-20 | 2014-08-26 | Northwestern University | Polymeric compositions and related methods of use |
| DE10163892A1 (de) * | 2001-12-27 | 2003-07-17 | Basf Ag | Derivate von Polymeren für die Metallbehandlung |
| JP2006291266A (ja) * | 2005-04-08 | 2006-10-26 | Daikin Ind Ltd | フッ素化合物の気相表面処理法 |
| US8568872B2 (en) * | 2005-08-24 | 2013-10-29 | Eth Zurich | Catechol functionalized polymers and method for preparing them |
| AU2007283772B2 (en) * | 2006-08-04 | 2013-03-07 | Kensey Nash Corporation | Biomimetic compounds and synthetic methods therefor |
| EP2097119A4 (fr) * | 2006-11-21 | 2012-10-17 | Abbott Lab | Utilisation d'un terpolymère de tétrafluoroéthylène, d'hexafluoropropylène et de fluorure de vinylidène dans des revêtements d'élution de médicaments |
| EP1927648A1 (fr) * | 2006-12-01 | 2008-06-04 | Rolex Sa | Couche ultra-mince hydrophobe et oléophobe, procédé de fabrication et utilisation en horlogerie comme épilame |
| EP1927649A1 (fr) * | 2006-12-01 | 2008-06-04 | SurfaceSolutions GmbH | Couche ultra-mnce hydrophobe et oleophobe, procede de fabrication, son utilisation en mecanique comme film barriere |
-
2006
- 2006-12-01 EP EP20060405504 patent/EP1927648A1/fr not_active Withdrawn
-
2007
- 2007-11-29 EP EP07816285.6A patent/EP2084253B1/fr active Active
- 2007-11-29 JP JP2009538570A patent/JP5385788B2/ja not_active Expired - Fee Related
- 2007-11-29 WO PCT/CH2007/000601 patent/WO2008064510A1/fr not_active Ceased
- 2007-11-29 US US12/516,231 patent/US20100068553A1/en not_active Abandoned
- 2007-11-29 WO PCT/CH2007/000602 patent/WO2008064511A1/fr not_active Ceased
- 2007-11-29 EP EP07816284.9A patent/EP2084252B1/fr active Active
- 2007-11-29 US US12/516,865 patent/US20100075138A1/en not_active Abandoned
- 2007-11-29 CN CN2007800439661A patent/CN101611124B/zh not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2008064510A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101611124B (zh) | 2013-11-06 |
| EP1927648A1 (fr) | 2008-06-04 |
| EP2084253B1 (fr) | 2017-03-29 |
| EP2084252B1 (fr) | 2017-03-29 |
| US20100075138A1 (en) | 2010-03-25 |
| CN101611124A (zh) | 2009-12-23 |
| WO2008064511A1 (fr) | 2008-06-05 |
| JP2010511099A (ja) | 2010-04-08 |
| JP5385788B2 (ja) | 2014-01-08 |
| WO2008064510A1 (fr) | 2008-06-05 |
| US20100068553A1 (en) | 2010-03-18 |
| EP2084253A1 (fr) | 2009-08-05 |
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