WO2018021539A1 - 表面処理剤および該表面処理剤から形成された層を含む物品 - Google Patents
表面処理剤および該表面処理剤から形成された層を含む物品 Download PDFInfo
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- WO2018021539A1 WO2018021539A1 PCT/JP2017/027475 JP2017027475W WO2018021539A1 WO 2018021539 A1 WO2018021539 A1 WO 2018021539A1 JP 2017027475 W JP2017027475 W JP 2017027475W WO 2018021539 A1 WO2018021539 A1 WO 2018021539A1
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- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1612—Non-macromolecular compounds
- C09D5/1625—Non-macromolecular compounds organic
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- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/10—Block or graft copolymers containing polysiloxane sequences
- C09D183/12—Block or graft copolymers containing polysiloxane sequences containing polyether sequences
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/30—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
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- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
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- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/16—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers in which all the silicon atoms are connected by linkages other than oxygen atoms
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C—CHEMISTRY; METALLURGY
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- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/76—Hydrophobic and oleophobic coatings
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/116—Deposition methods from solutions or suspensions by spin-coating, centrifugation
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- 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
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/24—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen halogen-containing groups
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- 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
- C08G77/80—Siloxanes having aromatic substituents, e.g. phenyl side groups
Definitions
- the present invention relates to an article comprising a surface treatment agent and a layer formed from the surface treatment agent.
- fluorine-containing silane compounds can provide excellent water repellency, oil repellency, antifouling properties and the like when used for surface treatment of a substrate.
- a layer obtained from a surface treatment agent containing a fluorine-containing silane compound (hereinafter also referred to as “surface treatment layer”) is applied as a so-called functional thin film to various substrates such as glass, plastic, fiber, and building materials. ing.
- Patent Document 1 a fluoroalkylsilane having a fluoroalkyl group in the molecular main chain and a hydrolyzable group bonded to a Si atom at the molecular end is known (Patent Document 1).
- Fluorine-containing silane compounds are applied to various base materials such as glass, plastic, fiber, and building materials to form a surface treatment layer.
- the surface treatment layer formed on such a substrate can be exposed to various environments.
- the surface treatment layer can be exposed to sunlight, rain, and the like.
- the surface treatment layer can be exposed to human sweat or the like. Accordingly, a fluorine-containing silane compound having a wide range of uses is required to have weather resistance in order to exhibit its function (for example, water repellency, oil repellency, antifouling property, etc.) for a long time in various environments.
- An object of the present invention is to provide an article having a surface treatment layer having high weather resistance, and a surface treatment agent capable of forming such a surface treatment layer.
- the inventors have used a fluorine-containing silane compound having a phenylene group between a fluorine-containing portion that exhibits the function of the surface treatment layer and a silane portion having a binding ability to the substrate.
- the inventors have found that a surface treatment layer having high weather resistance can be formed, and have completed the present invention.
- X 1 to X 5 each independently represents a hydrogen atom, a halogen atom, a hydrocarbon group, a nitro group, a hydroxyl group, or an Rf group: provided that at least one of X 1 to X 5 is an Rf group ;
- the Rf group represents R 15 —R 16 —;
- R 15 represents a fluorine-containing hydrocarbon group which may have an ether bond;
- R 16 represents a single bond or a divalent organic group;
- R 1 represents, independently at each occurrence, a hydroxyl group, a hydrolyzable group or a halogen atom;
- R 2 independently represents a hydrogen atom, an alkyl group, or an aryl group at each occurrence;
- n is an integer of 1 to 3.
- a layer formed from a surface treatment agent containing the compound hereinafter, also simply referred to as “fluorinated silane compound of
- the Rf group represents R 15 —R 16 —;
- R 15 represents a fluorine-containing hydrocarbon group which may have an ether bond;
- R 16 represents a single bond or a divalent organic group;
- R 1 represents, independently at each occurrence, a hydroxyl group, a hydrolyzable group or a halogen atom;
- R 2 independently represents a hydrogen atom, an alkyl group, or an aryl group at each occurrence;
- n is an integer of 1 to 3.
- a surface treatment agent comprising one or more other components selected from silicon-containing compounds, fluorine-containing oils, silicone oils and solvents.
- an article having a surface treatment layer excellent in weather resistance can be provided by using a compound having a phenylene group directly bonded to a silane group as the fluorine-containing silane compound.
- the article of the present invention comprises a base material and the following formula (1) on the base material: Or a layer formed from a surface treatment agent containing the compound.
- the article of the present invention can be used for a wide variety of applications because the surface treatment layer has excellent weather resistance.
- the article of the present invention can be an optical member, a building member, a ceramic, or the like.
- optical members include lenses such as glasses and sunglasses; cathode ray tubes (CRT; eg, TVs, personal computer monitors), liquid crystal displays, plasma displays, organic EL displays, inorganic thin film EL dot matrix displays, rear projection displays, fluorescent Display tube (VFD), field emission display (FED) display, front protective plate, anti-scattering film, anti-reflection plate, polarizing plate or anti-glare plate of these displays, or anti-reflection coating on the surface thereof
- Touch panel sheets for devices such as mobile phones and personal digital assistants; Disc surfaces of optical discs such as Blu-ray (registered trademark) discs, DVD discs, CD-Rs, and MOs; Bars; glass surfaces such as window glass and windshields of automobiles; camera lenses; solar panels; optical filters.
- the article of the present invention can be manufactured, for example, as follows.
- the substrate that can be used in the present invention is not particularly limited, and may be an organic material, an inorganic material, or a hybrid material thereof.
- the substrate that can be used in the present invention is not particularly limited, and may be, for example, glass, resin (natural or synthetic resin, for example, a general plastic material, plate, film, and other forms. ), Metal (may be a single metal such as aluminum, copper, iron, or a composite such as an alloy), ceramics, semiconductor (silicon, germanium, etc.), fiber (woven fabric, non-woven fabric, etc.), fur, leather, concrete, wood It can be made of any suitable material such as stone.
- resin naturally or synthetic resin, for example, a general plastic material, plate, film, and other forms.
- Metal may be a single metal such as aluminum, copper, iron, or a composite such as an alloy), ceramics, semiconductor (silicon, germanium, etc.), fiber (woven fabric, non-woven fabric, etc.), fur, leather, concrete, wood It can be made of any suitable material such as stone.
- Examples of the material constituting the base material that can be used in the present invention include sapphire glass.
- the base material may have various layers according to its specific specifications.
- the base material when used as an optical member, is an antireflection layer, an insulating layer, an adhesive layer, a protective layer, a decorative frame layer (I-CON), an atomized film layer, a polarizing film, a retardation film, and a liquid crystal display module And so on.
- these layers, films and the like are referred to as a substrate.
- the shape of the substrate is not particularly limited, and may be, for example, a plate shape, a film, or other forms. Further, the surface region of the base material on which the functional film is to be formed may be at least part of the surface of the base material, and can be appropriately determined according to the use and specific specifications of the article to be manufactured.
- a surface treatment agent containing a compound represented by Formula (1) or a compound represented by Formula (1) is applied to the surface of the substrate to form these films.
- a surface treatment layer is formed on the substrate by allowing this film to stand or after-treating as necessary.
- X 1 to X 5 each independently represents a hydrogen atom, a halogen atom, a hydrocarbon group, a nitro group, a hydroxyl group or an Rf group. However, at least one of X 1 to X 5 is an Rf group.
- the “halogen atom” includes a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom. Among these, a fluorine atom, a chlorine atom, and a bromine atom are preferable, and a fluorine atom is more preferable.
- the “hydrocarbon group” is not particularly limited.
- Etc. The hydrocarbon group may be linear, branched, or cyclic. Further, the hydrocarbon group may have an ether bond. In this case, the hydrocarbon group has a structure in which an ether bond is inserted into the above-described hydrocarbon group.
- the substituent is not particularly limited, and examples thereof include a halogen atom; and a C 1-6 alkyl group, a C 2-6 alkenyl group, a C 2 which may be substituted with one or more halogen atoms.
- the hydrocarbon group is unsubstituted.
- the Rf group is R 15 -R 16- .
- R 15 represents a fluorine-containing hydrocarbon group which may have an ether bond.
- fluorinated hydrocarbon group examples include a fluorine-containing alkyl group having 1 to 300 carbon atoms, a fluorine-containing alkenyl group, a fluorine-containing alkynyl group, and a fluorine-containing aryl group which may have a substituent.
- the fluorine-containing hydrocarbon group may be linear, branched, or cyclic.
- the fluorine-containing hydrocarbon group has an ether bond
- the fluorine-containing hydrocarbon group has a structure in which an ether bond is inserted into the fluorine-containing hydrocarbon group described above.
- the fluorine-containing hydrocarbon group is unsubstituted.
- R 15 is a perfluorohydrocarbon group that may have an ether bond.
- the perfluorohydrocarbon group means one in which all hydrogen atoms bonded to carbon of the hydrocarbon group are substituted with fluorine atoms.
- R 15 is F—C p F 2p — (wherein p is an integer from 1 to 100, preferably an integer from 2 to 20, more preferably an integer from 2 to 10). .
- F—C p F 2p — may be linear or branched.
- the R 15 group is F— (CF 2 ) p —.
- R 15 has the following formula: R 3 -PFPE- It is group represented by these.
- each R 3 independently represents an alkyl group having 1 to 16 carbon atoms which may be substituted with one or more fluorine atoms.
- alkyl group having 1 to 16 carbon atoms in the alkyl group having 1 to 16 carbon atoms which may be substituted with one or more fluorine atoms may be linear or branched. Preferably, it is a linear or branched alkyl group having 1 to 6 carbon atoms, particularly 1 to 3 carbon atoms, and more preferably a linear alkyl group having 1 to 3 carbon atoms.
- R 3 is preferably an alkyl group having 1 to 16 carbon atoms substituted by one or more fluorine atoms, more preferably a CF 2 H—C 1-15 fluoroalkylene group, A perfluoroalkyl group having 1 to 16 carbon atoms is preferred.
- the perfluoroalkyl group having 1 to 16 carbon atoms is preferably a linear or branched perfluoroalkyl group having 1 to 6 carbon atoms, particularly 1 to 3 carbon atoms, and more preferably a linear carbon.
- PFPE is - (OC 6 F 12) a - (OC 5 F 10) b - (OC 4 F 8) c - (OC 3 F 6) d - (OC 2 F 4) e - (OCF 2) f - It is group represented by these.
- a, b, c, d, e and f are each independently an integer of 0 to 200, and the sum of a, b, c, d, e and f is at least 1.
- a, b, c, d, e and f are each independently an integer of 0 or more and 100 or less.
- the sum of a, b, c, d, e and f is 5 or more, more preferably 10 or more, for example 10 or more and 100 or less.
- the order of presence of each repeating unit in parentheses with a, b, c, d, e or f is arbitrary in the formula.
- repeating units may be linear or branched, but are preferably linear.
- -(OC 6 F 12 )- is-(OCF 2 CF 2 CF 2 CF 2 CF 2 CF 2 )-,-(OCF (CF 3 ) CF 2 CF 2 CF 2 )-,-(OCF 2 CF (CF 3 ) CF 2 CF 2 CF 2 ) —, — (OCF 2 CF 2 CF (CF 3 ) CF 2 CF 2 ) —, — (OCF 2 CF 2 CF 2 CF (CF 3 ) CF 2 ) — — (OCF 2 CF 2 CF 2 CF (CF 3 )) — or the like may be used, but — (OCF 2 CF 2 CF 2 CF 2 CF 2 CF 2 ) — is preferred.
- -(OC 3 F 6 )- is any of-(OCF 2 CF 2 CF 2 )-,-(OCF (CF 3 ) CF 2 )-and-(OCF 2 CF (CF 3 ))- Preferably, it is — (OCF 2 CF 2 CF 2 ) —.
- — (OC 2 F 4 ) — may be any of — (OCF 2 CF 2 ) — and — (OCF (CF 3 )) —, preferably — (OCF 2 CF 2 ) —. is there.
- the PFPE is — (OC 3 F 6 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200).
- PFPE is — (OCF 2 CF 2 CF 2 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200) or — ( OCF (CF 3 ) CF 2 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200).
- PFPE is — (OCF 2 CF 2 CF 2 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200).
- the PFPE has a — (OC 4 F 8 ) c — (OC 3 F 6 ) d — (OC 2 F 4 ) e — (OCF 2 ) f — (wherein c and d are each independently And e and f are each independently an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200, and the subscripts c, d, e Or the order of presence of each repeating unit with parentheses attached with f is arbitrary in the formula).
- the PFPE is — (OCF 2 CF 2 CF 2 CF 2 ) c — (OCF 2 CF 2 CF 2 ) d — (OCF 2 CF 2 ) e — (OCF 2 ) f —.
- PFPE is — (OC 2 F 4 ) e — (OCF 2 ) f — (wherein e and f are each independently 1 or more and 200 or less, preferably 5 or more and 200 or less, more preferably Is an integer of 10 or more and 200 or less, and the order of presence of each repeating unit in parentheses with the suffix e or f is optional in the formula).
- the sum of c, d, e and f can be at least 5 or more, preferably 10 or more.
- PFPE is a group represented by-(R 7 -R 8 ) g- .
- R 7 is OCF 2 or OC 2 F 4 , preferably OC 2 F 4 .
- R 8 is a group selected from OC 2 F 4 , OC 3 F 6 , OC 4 F 8 , OC 5 F 10 and OC 6 F 12 , or is independently selected from these groups Is a combination of 2 or 3 groups.
- R 8 is a group selected from OC 2 F 4 , OC 3 F 6 and OC 4 F 8 , or a combination of 2 or 3 groups independently selected from these groups is there.
- the combination of 2 or 3 groups independently selected from OC 2 F 4 , OC 3 F 6 and OC 4 F 8 is not particularly limited.
- the g is an integer of 2 to 100, preferably an integer of 2 to 50.
- OC 2 F 4 , OC 3 F 6 , OC 4 F 8 , OC 5 F 10 and OC 6 F 12 may be either linear or branched, preferably linear.
- the PFPE is preferably — (OC 2 F 4 —OC 3 F 6 ) g — or — (OC 2 F 4 —OC 4 F 8 ) g —.
- R 8 is a group selected from OC 2 F 4 , OC 3 F 6 and OC 4 F 8 , or OC 3 F 6 , OC 4 F 8 , OC 5 F 10 and OC 6 F 12. Or a combination of two or three groups independently selected from these groups.
- g is 2 or more, preferably 3 or more, more preferably 5 or more, and may be an integer of 100 or less, preferably 50 or less.
- the average molecular weight of the R 3 -PFPE moiety is not particularly limited, but is 500 to 30,000, preferably 1,500 to 30,000, more preferably 2,000 to 10,000.
- “average molecular weight” means number average molecular weight
- “average molecular weight” is a value measured by 19 F-NMR.
- R 16 represents a single bond or a divalent organic group.
- divalent organic group means a divalent group containing carbon.
- a divalent organic group is not particularly limited, and examples thereof include a divalent group obtained by further removing one hydrogen atom from a hydrocarbon group.
- hydrocarbon group has the same meaning as the hydrocarbon group described for X 1 to X 5 above.
- the divalent organic group is preferably an optionally substituted hydrocarbon group having 1 to 20 carbon atoms, preferably 1 to 10 carbon atoms, more preferably 1 to 4 carbon atoms, preferably an alkyl group. It can be a group, an alkenyl group, an alkynyl group or an aryl group.
- the hydrocarbon group may be linear, branched, or cyclic. More preferably, the divalent organic group may be an alkyl group having 1 to 4 carbon atoms.
- R 15 is F—C p F 2p — and R 16 is a single bond.
- R 15 is R 3 —PFPE—
- R 16 is a single bond or an alkyl group having 1 to 4 carbon atoms.
- R 1 independently represents a hydroxyl group, a hydrolyzable group or a halogen atom at each occurrence.
- hydrolyzable group as used herein means a group capable of leaving from the main skeleton of a compound by a hydrolysis reaction.
- hydrolyzable group examples include —OR, —OCOR, —O—N ⁇ CR 2 , —NR 2 , —NHR, halogen (in these formulas, R is a substituted or unsubstituted carbon atom having 1 to 4 carbon atoms). And the like, and —OR (that is, an alkoxy group) is preferable.
- R examples include unsubstituted alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group, n-butyl group and isobutyl group; substituted alkyl groups such as chloromethyl group.
- an alkyl group, particularly an unsubstituted alkyl group is preferable, and a methyl group or an ethyl group is more preferable.
- the hydroxyl group is not particularly limited, but may be a group produced by hydrolysis of a hydrolyzable group.
- halogen atom examples include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- a chlorine atom and a bromine atom are preferable, and a chlorine atom is more preferable.
- R 1 is a hydroxyl group or a hydrolyzable group.
- R 1 is a halogen atom, preferably a chlorine atom.
- each R 2 independently represents a hydrogen atom, an alkyl group, or an aryl group at each occurrence.
- alkyl group examples include linear, branched or cyclic alkyl groups having 1 to 100 carbon atoms, preferably 1 to 20 carbon atoms, more preferably 1 to 6 carbon atoms.
- aryl group examples include aryl groups having 6 to 100 carbon atoms, preferably 6 to 20 carbon atoms.
- n is an integer of 1 to 3, preferably an integer of 2 to 3, and more preferably 3.
- only one of X 1 to X 5 is an Rf group.
- 2 to 5 of X 1 to X 5 are Rf groups.
- X 1 is an Rf group.
- X 1 to X 5 are each independently Rf or a hydrogen atom.
- X 1 is an Rf group
- X 2 to X 5 are hydrogen atoms.
- the compound represented by the above formula (1) can be synthesized by a known method.
- the compound represented by the formula (1) is represented by the following formula (1-a): [Where: X 2 to X 5 are as defined in the above formula (1); X a represents a halogen atom, preferably an iodine atom; Xb represents a halogen atom, preferably a bromine atom. ]
- the production of the compound represented by the general formula (1) may be carried out in the presence of a solvent, if necessary.
- the solvent is not particularly limited.
- diethyl ether, dibutyl ether, and 1,3-bistrifluoromethylbenzene are preferable, and dibutyl ether and 1,3-bistrifluoromethylbenzene are more preferable. These may be used alone or in combination of two or more.
- the compound represented by Formula (1) in this invention is not limited to what was manufactured by the manufacturing method shown in this specification, and can be manufactured by arbitrary appropriate methods. .
- the surface treatment agent includes one or more compounds represented by the above formula (1).
- the surface treatment agent may contain other components in addition to the compound represented by the formula (1).
- Such other components are not particularly limited.
- fluorinated oil a silicone compound (hereinafter referred to as “silicone oil”) that can be understood as a silicone oil (hereinafter referred to as “silicone oil”), a catalyst, a solvent, and the like.
- the other component includes a silicon-containing compound.
- the silicon-containing compound is preferably a silicon-containing compound capable of forming a polysiloxane structure by reaction, preferably by sol-gel reaction.
- the silicon-containing compound may be an organosilicon compound containing carbon and silicon.
- organosilicon compounds examples include Si—H compounds having Si—H bonds; Si—N compounds having Si—N bonds such as aminosilane compounds, silazanes, silylacetamides, and silylimidazoles; monoalkoxysilanes, dialkoxysilanes, Si—O compounds having Si—O bonds such as alkoxysilanes, tetraalkoxysilanes, siloxanes, silyl esters, silanols; Si—Cl compounds having Si—Cl bonds such as monochlorosilanes, dichlorosilanes, trichlorosilanes, tetrachlorosilanes, etc.
- the organosilicon compound (B) is selected from the group consisting of Si—H compound, Si—N compound, halogenosilane, Si— (C) 4 compound, Si—Si compound, vinylsilane, allylsilane, and ethynylsilane. Preferably it is at least one compound.
- the organosilicon compound is more preferably a compound in which at least one atom selected from the group consisting of hydrogen, oxygen and halogen is bonded to Si.
- Halogenosilanes other than Si-Cl compounds are Halogenosilanes other than Si-Cl compounds:
- the organosilicon compound has the following formula (2): [Wherein, R a , R b , R c and R d each independently represents a hydrogen atom, a halogen atom, an alkoxyl group having 1 to 10 carbon atoms, an amino group having 1 to 10 carbon atoms, or 1 to An alkyl group having 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an allyl group having 3 to 10 carbon atoms, or a glycidyl group having 3 to 10 carbon atoms.
- Each R e is independently —O—, —NH—, —C ⁇ C—, or a silane bond.
- s, t, u and v are each independently 0 or 1
- w is an integer of 0 to 4
- x is 1 to 20.
- s + t + u + v is 4 and w is 0.
- x is 2 to 20
- s + t + u + v is each independently 0 to 4
- w is independently 0 to 4
- w is an integer of 1 or more, at least 2 's Si through R e, linear, ladder-type, are attached to a cyclic or multi cyclic. It is more preferable that it is a compound represented by.
- R a , R b , R c , and R d are monovalent groups bonded to Si.
- R e is a divalent group bonded to two Si atoms.
- R a , R b , R c and R d each independently represent at least one of a hydrogen atom, a halogen atom, an alkoxy group having 1 to 10 carbon atoms, or a carbon number of 1 to 10 Other than that, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an allyl group having 3 to 10 carbon atoms, or a glycidyl group having 3 to 10 carbon atoms is preferable.
- x is 2 to 20
- s + t + u + v is independently 1 to 3
- w is preferably 1 to 3.
- R a , R b , R c and R d each independently represent an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 8 carbon atoms, or an alkoxy group having 1 to 6 carbon atoms. Or an amino group having 1 to 6 carbon atoms, and more preferably an alkoxy group having 1 to 4 carbon atoms.
- the alkyl group preferably has 1 to 5 carbon atoms.
- the alkyl group may be linear, cyclic or branched.
- the hydrogen atom may be substituted with a fluorine atom or the like.
- the alkyl group include a methyl group, an ethyl group, a propyl group, a butyl group, and a pentyl group.
- the R a , R b , R c, and R d include a methyl group, an ethyl group, and a propyl group, respectively. It is preferably a group or an isopropyl group.
- the aryl group is preferably, for example, a phenyl group, a naphthyl group, a methylphenyl group, an ethylphenyl group, or a dimethylphenyl group.
- halogen atom fluorine, chlorine, bromine or iodine is preferable, and chlorine is particularly preferable.
- the alkoxy group preferably has 1 to 5 carbon atoms.
- the alkoxy group may be chained, cyclic or branched.
- the hydrogen atom may be substituted with a fluorine atom or the like.
- a methoxy group, an ethoxy group, a propyloxy group, or a butoxy group is preferable, and a methoxy group or an ethoxy group is more preferable.
- Each R e is independently —O—, —NH—, —C ⁇ C—, or a silane bond.
- R e is preferably —O—, —NH—, or —C ⁇ C—.
- R e is a divalent group which is bonded to two Si, that two or more silicon atoms by R e via the R e, are attached to a linear, ladder-type, cyclic or multiple cyclic, Can do. When x is an integer of 2 or more, silicon atoms may be bonded to each other.
- preferable silicon-containing compounds include one Si such as the Si—H compound, Si—N compound, halogenosilane, Si— (C) 4 compound, Si—Si compound, vinylsilane, allylsilane, and ethynylsilane. Or the compound containing 2 or more is mentioned.
- the silicon-containing compound has the formula (3) or the formula (4): It is a compound represented by these.
- R 5 each independently represents a halogen atom or a hydrolyzable group.
- each R 6 independently represents a halogen atom or a hydrolyzable group.
- y is 2 or more, z is 1 or more, and 4y-2z is larger than 0.
- hydrolyzable group as used herein means a group capable of leaving from the main skeleton of a compound by a hydrolysis reaction.
- hydrolyzable group examples include —OR, —OCOR, —O—N ⁇ CR 2 , —NR 2 , —NHR, halogen (in these formulas, R is a substituted or unsubstituted carbon atom having 1 to 4 carbon atoms). And the like, and —OR (that is, an alkoxy group) is preferable.
- R examples include unsubstituted alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group, n-butyl group and isobutyl group; substituted alkyl groups such as chloromethyl group.
- halogen atom examples include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- a fluorine atom, a chlorine atom, and a bromine atom are preferable
- a fluorine atom and a chlorine atom are more preferable
- a chlorine atom is more preferable. Is more preferable.
- the silicon-containing compound is based on a total of 100 parts by mass of the compound represented by the above formula (1) of the present invention (in the case of two or more kinds, the total is the same below). For example, 0 to 500 parts by mass, preferably 0 to 400 parts by mass, more preferably 25 to 400 parts by mass.
- the fluorine-containing silane compound of the present invention is segregated on the surface of the surface treatment layer. Therefore, since the silicon-containing compound separates the base material from the fluorine-containing silane compound, it is possible to suppress the adverse effect of the substance present in the base material on the fluorine-containing silane compound. As a result, the silicon-containing compound contributes to improving the weather resistance and durability of the surface treatment layer. In particular, since a silicon-containing compound capable of forming a siloxane bond by a sol-gel reaction can form a denser layer, the weather resistance and durability of the surface treatment layer can be further improved.
- R 21 represents a C 1-16 alkyl group (preferably a C 1-16 perfluoroalkyl group) optionally substituted by one or more fluorine atoms
- R 22 represents Represents a C 1-16 alkyl group (preferably a C 1-16 perfluoroalkyl group) optionally substituted by one or more fluorine atoms, a fluorine atom or a hydrogen atom
- R 21 and R 22 Are more preferably each independently a C 1-3 perfluoroalkyl group.
- a ′, b ′, c ′ and d ′ each represent the number of four types of repeating units of perfluoro (poly) ether constituting the main skeleton of the polymer, and are each independently an integer of 0 to 300, , A ′, b ′, c ′ and d ′ are at least 1, preferably 1 to 300, more preferably 20 to 300.
- the order of presence of each repeating unit in parentheses with subscripts a ′, b ′, c ′ or d ′ is arbitrary in the formula.
- — (OC 4 F 8 ) — represents — (OCF 2 CF 2 CF 2 CF 2 ) —, — (OCF (CF 3 ) CF 2 CF 2 ) —, — (OCF 2 CF (CF 3 ) CF 2 )-,-(OCF 2 CF 2 CF (CF 3 ))-,-(OC (CF 3 ) 2 CF 2 )-,-(OCF 2 C (CF 3 ) 2 )-,-(OCF (CF 3 ) CF (CF 3 ))-,-(OCF (C 2 F 5 ) CF 2 )-and-(OCF 2 CF (C 2 F 5 ))-may be used, but preferably — (OCF 2 CF 2 CF 2 CF 2 ) —.
- — (OCF 2 CF 2 ) — is preferable.
- — (OC 2 F 4 ) — may be either — (OCF 2 CF 2 ) — or — (OCF (CF 3 )) —, but is preferably — (OCF 2 CF 2 ) —.
- a compound represented by any one of the following general formulas (5a) and (5b) may be used. May be included).
- R 21 and R 22 are as described above; in formula (5a), b ′′ is an integer of 1 to 100; in formula (5b), a ′′ and b ′′ are Each independently represents an integer of 0 to 30 and c ′′ and d ′′ are each independently an integer of 1 to 300.
- the order of existence of each repeating unit with subscripts a ′′, b ′′, c ′′, d ′′ and parentheses is arbitrary in the formula.
- the fluorine-containing oil may have an average molecular weight of 1,000 to 30,000. Thereby, high surface slipperiness can be obtained.
- the fluorine-containing oil is, for example, 0 with respect to a total of 100 parts by mass of the compound represented by the formula (1) of the present invention (in the case of 2 or more types, these are also the same). It can be contained in an amount of ⁇ 500 parts by mass, preferably 0 to 400 parts by mass, more preferably 25 to 400 parts by mass.
- Fluorine-containing oil contributes to improving the surface slipperiness of the surface treatment layer.
- the silicone oil for example, a linear or cyclic silicone oil having a siloxane bond of 2,000 or less can be used.
- the linear silicone oil may be so-called straight silicone oil and modified silicone oil.
- the straight silicone oil include dimethyl silicone oil, methylphenyl silicone oil, and methylhydrogen silicone oil.
- modified silicone oil include those obtained by modifying straight silicone oil with alkyl, aralkyl, polyether, higher fatty acid ester, fluoroalkyl, amino, epoxy, carboxyl, alcohol and the like.
- Examples of the cyclic silicone oil include cyclic dimethylsiloxane oil.
- the silicone oil is used in a total of 100 parts by mass of the compound represented by the formula (1) of the present invention (in the case of two or more kinds, these totals are the same). For example, 0 to 300 parts by mass, preferably 50 to 200 parts by mass.
- Silicone oil contributes to improving the surface slipperiness of the surface treatment layer.
- the catalyst examples include acids (eg, acetic acid, trifluoroacetic acid, etc.), bases (eg, ammonia, triethylamine, diethylamine, etc.), transition metals (eg, Ti, Ni, Sn, etc.), and the like.
- acids eg, acetic acid, trifluoroacetic acid, etc.
- bases eg, ammonia, triethylamine, diethylamine, etc.
- transition metals eg, Ti, Ni, Sn, etc.
- the catalyst promotes the hydrolysis and dehydration condensation of the compound represented by the formula (1) of the present invention, and promotes the formation of the surface treatment layer.
- the said solvent can be suitably selected according to the compound represented by Formula (1) and other components.
- the following solvents are preferably used as the solvent: hydrocarbon solvents such as hexane, heptane, and octane; chlorinated hydrocarbon solvents such as dichloromethane, chloroform, carbon tetrachloride, dichloroethane; diethyl ether, dimethoxyethane, Ether solvents such as diglyme and triglyme; diethyl oxalate, ethyl pyruvate, ethyl-2-hydroxybutyrate, ethyl acetoacetate, ethyl acetate, butyl acetate, amyl acetate, ethyl butyrate, butyl butyrate, methyl lactate, ethyl lactate, Esters such as methyl 3-methoxypropionate, ethyl 3-methoxypropionate, methyl 2-hydroxyis
- the solvent is, for example, with respect to a total of 100 parts by mass of the compound represented by the formula (1) of the present invention (in the case of 2 or more types, these are the same, and so on). 0 to 1 million parts by mass, preferably 0 to 100,000 parts by mass, more preferably 25 to 100,000 parts by mass.
- the surface treatment agent contains a silicon-containing compound, preferably a silicon-containing compound capable of forming a siloxane bond by a sol-gel reaction.
- the present invention also provides the surface treatment agent described above.
- a surface treatment agent is preferably used as an antifouling coating agent or a waterproof coating agent.
- the surface treatment agent of the present invention can be applied to coat the surface of the substrate.
- the coating method is not particularly limited. For example, wet coating methods and dry coating methods can be used.
- wet coating methods include, for example, dip coating, spin coating, flow coating, spray coating, slit coating, roll coating, gravure coating, micro gravure coating, bar coating, die coating, screen printing and similar methods.
- Examples of dry coating methods include vapor deposition (usually vacuum vapor deposition), sputtering, CVD, and similar methods.
- Specific examples of the vapor deposition method include resistance heating, high-frequency heating using an electron beam, microwave, and the like, an ion beam, and similar methods.
- Specific examples of the CVD method include plasma-CVD, optical CVD, thermal CVD, and similar methods.
- the surface treatment agent of the present invention can be applied to the substrate surface after being diluted with a solvent.
- the following solvents are preferably used: perfluoroaliphatic hydrocarbons having 5 to 12 carbon atoms (for example, perfluorohexane, perfluoromethylcyclohexane).
- HFE Hydrofluoroether
- hydrofluoroethers are preferred, perfluorobutyl methyl ether (C 4 F 9 OCH 3) And / or perfluorobutyl ethyl ether (C 4 F 9 OC 2 H 5 ) is particularly preferred.
- the surface treatment agent of the present invention may be directly subjected to the dry coating method, or may be diluted with the above-described solvent and then subjected to the dry coating method.
- the amount of the compound represented by the formula (1) applied to the substrate is not particularly limited and can be appropriately adjusted according to the desired thickness of the functional film.
- the membrane is post-treated as necessary.
- this post-processing is not specifically limited, For example, a water supply and drying heating may be implemented sequentially, or you may implement continuously by using superheated steam.
- R 1 is all hydroxyl groups
- R 1 is a hydroxyl group thereof
- a reactive group present on the substrate surface For example, when the reactive group present on the substrate surface is a hydroxyl group, dehydration condensation occurs. Further, between such compounds, groups bonded to Si after hydrolysis of the compound can undergo dehydration condensation. As a result, a bond is formed between the compound represented by formula (1) and the substrate. Also, bonds can be formed between the compounds.
- the layer formed from the surface treating agent of the present invention in the article of the present invention is a layer in which the silane portion of the compound represented by the formula (1) is bonded to the substrate.
- the silane part of the compound represented by the formula (1) is bonded to the substrate, and the silane part of the compound represented by the formula (1) is It is a combined layer.
- the silane part of the compound represented by the formula (1) Join.
- the surface treatment layer derived from the surface treatment agent of the present invention is formed on the surface of the substrate, and the article of the present invention is manufactured.
- the thickness of the surface treatment layer is not particularly limited. In the case of an optical member, the thickness of the surface treatment layer may be in the range of 1 to 50 nm, 1 to 30 nm, preferably 1 to 15 nm.
- the article of the present invention has a binder layer between a substrate and a layer formed from a compound represented by formula (1) or a surface treatment agent containing the compound. Also good.
- the binder layer can separate substances that can adversely affect the surface treatment layer existing in the base material, such as ions, from the surface treatment layer, and contributes to further improvement of weather resistance and durability.
- the binder layer is preferably formed from a silicon-containing compound.
- the binder layer is preferably formed from a silicon-containing compound and has a polysiloxane structure.
- the silicon-containing compound is not particularly limited as long as it can form a polysiloxane structure on the substrate, but is preferably one that can form a polysiloxane structure by a sol-gel reaction, an oxidation reaction, or the like.
- Examples of the silicon-containing compound include organic silicon compounds similar to the silicon-containing compounds that can be included in the surface treatment agent, compounds represented by the formula (3), compounds represented by the formula (4), and silazane compounds. Can be mentioned.
- the silazane compound is preferably represented by the formula (6): [Where: R 11 , R 12 and R 13 each independently represent a hydrogen atom or an alkyl group, an aryl group, a vinyl group or a cycloalkyl group, but at least one of R 11 , R 12 and R 13 is a hydrogen atom. And preferably all are hydrogen atoms, and k represents an integer of 1 to 60. ] It is represented by The molecular shape of the silazane compound may be any shape, for example, linear or cyclic.
- the silicon-containing compound can be applied to the substrate as it is or as a composition.
- the silicon-containing compound is dissolved or dispersed in a solvent and applied as a sol composition.
- a film obtained by applying this sol composition can be post-treated to cause a sol-gel reaction to form a binder layer having a polysiloxane structure on the substrate.
- the solvent is not particularly limited as long as the silicon-containing compound can be dissolved or dispersed well, but alcohols, ethers, glycols or glycol ethers are preferable.
- Preferred solvents include methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, iso-butyl alcohol, 1-pentanol, 2-pentanol, 2-methyl-2-pentanol, 2 -Methoxyethanol, 2-ethoxyethanol, 2-butoxyethanol, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol monomethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, triethylene glycol monomethyl ether And diethylene glycol monohexyl ether.
- the sol composition may contain a pH adjuster and various additives (for example, a stabilizer and a thickener) for improving the adhesion to the substrate, as necessary.
- a pH adjuster for example, a stabilizer and a thickener
- the method for applying the silicon-containing compound or sol composition to the surface of the substrate is not particularly limited, but includes dip coating, spin coating, flow coating, spray coating, slit coating, roll coating, gravure coating, micro gravure coating, Examples include bar coating, die coating, screen printing, and similar methods.
- the silicon-containing compound or sol composition film on the substrate is post-treated.
- This post-treatment is performed by heating.
- the film of the sol composition the film is cured and a binder layer having a polysiloxane structure is formed.
- the heating temperature in the heat treatment can be appropriately selected according to the base material and silicon-containing compound to be used, and is preferably 100 ° C. or higher and 900 ° C. or lower, more preferably 110 ° C. or higher and 800 ° C. or lower, for example, 120 ° C. or higher. It can be below 600 ° C.
- the heating time in the heat treatment is preferably 5 minutes to 500 minutes, more preferably 10 minutes to 400 minutes, for example, 20 minutes to 300 minutes.
- the surface treatment agent of the present invention is applied onto the binder layer, and the surface treatment layer is formed on the binder layer by standing or post-treatment as necessary.
- the article thus obtained has a binder layer between the base material and the surface treatment layer, it can have better weather resistance and durability.
- the surface treatment of the present invention is performed on a film of the silicon-containing compound or sol composition (hereinafter, also collectively referred to as “silicon-containing compound film”) before curing the silicon-containing compound or sol composition.
- the surface treatment layer may be obtained by applying an agent and then performing post-treatment such as heat treatment.
- the surface treatment agent of the present invention can diffuse from the surface of the silicon-containing compound film to the inside or dissolve in the film.
- the silicon-containing compound film and the surface treatment agent of the present invention form one layer (single layer). That is, the application of the surface treatment agent of the present invention to the silicon-containing compound film is performed by adding the compound represented by the formula (1) or the surface treatment agent containing the compound to the silicon-containing compound or sol composition on the substrate. In other words.
- “single layer” does not have an interface due to lamination in the layer, and the composition of the components constituting the layer is constant over the entire thickness direction of the layer (or film). It means a continuously changing layer.
- region where a composition changes continuously is 100 nm or more.
- the composition in the upper part of the layer is A and the composition in the lower part is B
- the composition A and the composition B are mixed in any region of the layer, and the composition is continuous over 100 nm or more along the thickness direction. If there is a region changing from A to B (or B to A), the layer is regarded as a single layer.
- the element concentration in the depth direction can be measured using ion beam ESCA measurement.
- Example 1 Surface treatment agent 1 was prepared by dissolving (4-tridecafluorohexylphenyl) trimethoxysilane in perfluorobutyl ethyl ether to a concentration of 2 wt%. Next, the prepared surface treating agent 1 was applied onto chemically strengthened glass by spin coating. Thereafter, the chemically strengthened glass with a surface treatment agent was allowed to stand for 14 hours in an atmosphere at a temperature of 65 ° C. and a humidity of 90%, whereby the surface treatment layer of Example 1 was formed.
- Example 1 Evaluation of weather resistance About the surface treatment layer formed on the substrate surface in Example 1 and Comparative Example 1 above, the static contact angle of water after light irradiation was measured.
- Light is irradiated with a super xenon tester (XER-W75 manufactured by Iwasaki Electric Co., Ltd., irradiance of 2.23 W / m 2 at 420 nm), and the static contact angle of water is measured using a contact angle measuring device (manufactured by Kyowa Interface Science Co., Ltd.). And 2 ⁇ L of water.
- the static contact angle of water was measured in a state where nothing was touched on the surface (exposure time 0 hour).
- the static contact angle (degree) of water was measured for every elapsed time, and evaluation was performed up to a cumulative exposure time of 400 hours. The results are shown in Table 1.
- the silane compound having a phenyl group of the present invention has improved weather resistance as compared with Comparative Example 1 having no such structure.
- Example 2 A binder treatment agent 1 was prepared by dissolving a polysilazane compound (NL120A, Merck) in dibutyl ether to a concentration of 3 wt%. Next, the prepared binder treating agent 1 was applied onto the chemically strengthened glass by spin coating. Then, after leaving still at room temperature for 30 minutes and forming a binder layer, the surface treating agent 1 prepared in Example 1 was apply
- a polysilazane compound NL120A, Merck
- Comparative Example 2 A surface treatment layer of Comparative Example 2 was formed in the same manner as in Example 2 except that the surface treatment agent 2 was used instead of the surface treatment agent 1.
- the silane compound having a phenyl group of the present invention has improved chemical resistance as compared with Comparative Example 1 and Comparative Example 2 that do not have such a structure. It was. Moreover, it was confirmed that a higher effect can be obtained when combined with the binder layer.
- the surface treatment agent of the present invention can be suitably used for forming a surface treatment layer on the surface of a variety of substrates, particularly substrates that require weather resistance.
- the article of the present invention can be suitably used in an environment where weather resistance is required.
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Abstract
Description
基材と、該基材上に、下記式(1):
X1~X5は、それぞれ独立して、水素原子、ハロゲン原子、炭化水素基、ニトロ基、水酸基またはRf基を表し:ただし、X1~X5のうち少なくとも1つは、Rf基であり;
Rf基は、R15-R16-を表し;
R15は、エーテル結合を有していてもよい含フッ素炭化水素基を表し;
R16は、単結合または2価の有機基を表し;
R1は、各出現においてそれぞれ独立して、水酸基、加水分解可能な基またはハロゲン原子を表し;
R2は、各出現においてそれぞれ独立して、水素原子、アルキル基、またはアリール基を表し;
nは、1~3の整数である。]
で表される化合物(以下、単に「本発明の含フッ素シラン化合物」ともいう)または該化合物を含む表面処理剤から形成された層とを含む物品が提供される。
(A)下記式(1):
X1~X5は、それぞれ独立して、水素原子、ハロゲン原子、炭化水素基、ニトロ基、水酸基またはRf基を表し:ただし、X1~X5のうち少なくとも1つは、Rf基であり;
Rf基は、R15-R16-を表し;
R15は、エーテル結合を有していてもよい含フッ素炭化水素基を表し;
R16は、単結合または2価の有機基を表し;
R1は、各出現においてそれぞれ独立して、水酸基、加水分解可能な基またはハロゲン原子を表し;
R2は、各出現においてそれぞれ独立して、水素原子、アルキル基、またはアリール基を表し;
nは、1~3の整数である。]
で表される化合物;および
(B)含ケイ素化合物、含フッ素オイル、シリコーンオイルおよび溶媒から選択される1種またはそれ以上の他の成分
を含む表面処理剤が提供される。
R3-PFPE-
で表される基である。
-(OC6F12)a-(OC5F10)b-(OC4F8)c-(OC3F6)d-(OC2F4)e-(OCF2)f-
で表される基である。式中、a、b、c、d、eおよびfは、それぞれ独立して0以上200以下の整数であって、a、b、c、d、eおよびfの和は少なくとも1である。好ましくは、a、b、c、d、eおよびfは、それぞれ独立して、0以上100以下の整数である。好ましくは、a、b、c、d、eおよびfの和は5以上であり、より好ましくは10以上、例えば10以上100以下である。また、a、b、c、d、eまたはfを付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。
X2~X5は、上記式(1)の記載と同意義であり;
Xaは、ハロゲン原子、好ましくはヨウ素原子を表し;
Xbは、ハロゲン原子、好ましくは臭素原子を表す。]
で表される化合物と、下記式(1-b):
Rfは、上記式(1)の記載と同意義であり;
Xcは、ハロゲン原子、好ましくはヨウ素原子を表す。]
で表される化合物とを反応させ、下記式(1-c):
で表される化合物を得、次いで、下記式(1-d):
[式中:
R1、R2およびnは、上記式(1)の記載と同意義であり;
Xdは、アルコキシ基を表す。]
で表される化合物と反応させることにより製造することができる。
〔Si-H化合物〕
Si-Cl化合物:
[式中、Ra、Rb、RcおよびRdは、それぞれ独立して、水素原子、ハロゲン原子、炭素数1~10のアルコキシル基、炭素数1~10のアミノ基、炭素数1~10のアルキル基、炭素数6~10のアリール基、炭素数3~10のアリル基、または炭素数3~10のグリシジル基である。Reは、それぞれ独立して、-O-、-NH-、-C≡C-、または、シラン結合である。s、t、uおよびvは、それぞれ独立して、0または1であり、wは0~4の整数であり、xは1~20である。xが1である場合、s+t+u+vは4であり、wは0である。xが2~20である場合、s+t+u+vは、それぞれ独立して、0~4であり、wは、それぞれ独立して、0~4であり、wが1以上の整数である場合、少なくとも2個のSiはReを介して、直鎖、梯子型、環状、または複環状に結合している。)で表される化合物であることがより好ましい。Ra、Rb、Rc、およびRdは、Siに結合している1価の基である。Reは、2個のSiに結合している2価の基である。
R21-(OC4F8)a’-(OC3F6)b’-(OC2F4)c’-(OCF2)d’-R22 ・・・(5)
式中、R21は、1個またはそれ以上のフッ素原子により置換されていてもよいC1-16のアルキル基(好ましくは、C1-16のパーフルオロアルキル基)を表し、R22は、1個またはそれ以上のフッ素原子により置換されていてもよいC1-16のアルキル基(好ましくは、C1-16のパーフルオロアルキル基)、フッ素原子または水素原子を表し、R21およびR22は、より好ましくは、それぞれ独立して、C1-3のパーフルオロアルキル基である。
a’、b’、c’およびd’は、ポリマーの主骨格を構成するパーフルオロ(ポリ)エーテルの4種の繰り返し単位数をそれぞれ表し、互いに独立して0以上300以下の整数であって、a’、b’、c’およびd’の和は少なくとも1、好ましくは1~300、より好ましくは20~300である。添字a’、b’、c’またはd’を付して括弧でくくられた各繰り返し単位の存在順序は、式中において任意である。これら繰り返し単位のうち、-(OC4F8)-は、-(OCF2CF2CF2CF2)-、-(OCF(CF3)CF2CF2)-、-(OCF2CF(CF3)CF2)-、-(OCF2CF2CF(CF3))-、-(OC(CF3)2CF2)-、-(OCF2C(CF3)2)-、-(OCF(CF3)CF(CF3))-、-(OCF(C2F5)CF2)-および-(OCF2CF(C2F5))-のいずれであってもよいが、好ましくは-(OCF2CF2CF2CF2)-である。-(OC3F6)-は、-(OCF2CF2CF2)-、-(OCF(CF3)CF2)-および-(OCF2CF(CF3))-のいずれであってもよく、好ましくは-(OCF2CF2CF2)-である。-(OC2F4)-は、-(OCF2CF2)-および-(OCF(CF3))-のいずれであってもよいが、好ましくは-(OCF2CF2)-である。
R21-(OCF2CF2CF2)b’’-R22 ・・・(5a)
R21-(OCF2CF2CF2CF2)a’’-(OCF2CF2CF2)b’’-(OCF2CF2)c’’-(OCF2)d’’-R22 ・・・(5b)
これら式中、R21およびR22は上記の通りであり;式(5a)において、b’’は1以上100以下の整数であり;式(5b)において、a’’およびb’’は、それぞれ独立して0以上30以下の整数であり、c’’およびd’’はそれぞれ独立して1以上300以下の整数である。添字a’’、b’’、c’’、d’’を付して括弧でくくられた各繰り返し単位の存在順序は、式中において任意である。
R11、R12およびR13は、それぞれ独立して水素原子またはアルキル基、アリール基、ビニル基、シクロアルキル基を表すが、R11、R12およびR13のうち少なくとも1つは水素原子であり、好ましくはすべてが水素原子であり、kは1~60の整数を表す。]
で表される。シラザン化合物の分子形状はいかなる形状であってもよく、例えば、直鎖状または環状であってもよい。
(4-トリデカフルオロヘキシルフェニル)トリメトキシシランを、濃度2wt%になるように、パーフルオロブチルエチルエーテルに溶解させて、表面処理剤1を調製した。次いで、調製した表面処理剤1を、化学強化ガラス上にスピンコーティングにより塗布した。その後、表面処理剤付き化学強化ガラスを、温度65℃および湿度90%の雰囲気下で14時間静置し、実施例1の表面処理層を形成した。
(4-トリデカフルオロヘキシルフェニル)トリメトキシシランに代えて、(3,3,4,4,5,5,6,6,7,7,8,8,8-トリデカフルオロオクチル)トリメトキシシランを用いたこと以外は、実施例1と同様にして表面処理剤2を調製した。次いで、調製した表面処理剤2を用いること以外は、実施例1と同様にして実施例2の表面処理層を形成した。
上記の実施例1および比較例1において基材表面に形成された表面処理層について、光照射後の水の静的接触角を測定した。光照射はスーパーキセノンテスター(岩崎電気製XER-W75、420nmにおいて放射照度2.23W/m2)で照射し、水の静的接触角は、接触角測定装置(協和界面科学社製)を用いて、水2μLにて実施した。まず、初期評価として、表面処理層形成後、その表面に未だ何も触れていない状態で、水の静的接触角を測定した(曝露時間0時間)。その後、経過時間毎に水の静的接触角(度)を測定し、累積曝露時間400時間まで評価を行った。結果を表1に示す。
ポリシラザン化合物(NL120A、メルク社)を、濃度3wt%になるように、ジブチルエーテルに溶解させて、バインダー処理剤1を調製した。次いで、調製したバインダー処理剤1を化学強化ガラス上にスピンコーティングにより塗布した。その後、室温で30分静置しバインダー層を形成した後、実施例1で調製した表面処理剤1を、同様の条件でスピンコーティングにより塗布した。その後、表面処理剤付き化学強化ガラスを、温度65℃および湿度90%の雰囲気下で14時間静置し、実施例2の表面処理層を形成した。
表面処理剤1に代えて、表面処理剤2を用いたこと以外は、実施例2と同様にして比較例2の表面処理層を形成した。
まず、初期評価として、表面処理層形成後、その表面に未だ何も触れていない状態で、水の静的接触角を測定した。その後、実施例2および比較例2の処理ガラス板を、0.1モル%硝酸水溶液に浸漬し、経過時間毎に水の静的接触角(度)を測定し、累積浸漬時間7日まで評価を行った。結果を表2に示す。
まず、初期評価として、表面処理層形成後、その表面に未だ何も触れていない状態で、水の静的接触角を測定した。その後、実施例1~2および比較例1~2の処理ガラス板を0.1モル%NaOH水溶液に浸漬し、経過時間毎に水の静的接触角(度)を測定した。接触角の測定値が50度未満となった時点で評価を中止し、最長で累積浸漬時間24時間まで評価を行った。結果を表3に示す(表中、記号「-」は測定せず)。
Claims (20)
- 基材と、該基材上に、下記式(1):
[式中:
X1~X5は、それぞれ独立して、水素原子、ハロゲン原子、炭化水素基、ニトロ基、水酸基またはRf基を表し:ただし、X1~X5のうち少なくとも1つは、Rf基であり;
Rf基は、R15-R16-を表し;
R15は、エーテル結合を有していてもよい含フッ素炭化水素基を表し;
R16は、単結合または2価の有機基を表し;
R1は、各出現においてそれぞれ独立して、水酸基、加水分解可能な基またはハロゲン原子を表し;
R2は、各出現においてそれぞれ独立して、水素原子、アルキル基、またはアリール基を表し;
nは、1~3の整数である。]
で表される化合物または該化合物を含む表面処理剤から形成された層とを含む物品。 - X1がRf基である、請求項1に記載の物品。
- X1がRf基であり、X2~X5が水素原子である、請求項1または2に記載の物品。
- R15が、エーテル結合を有していてもよいパーフルオロ炭化水素基である、請求項1~3のいずれか1項に記載の物品。
- R15が、F-CpF2p-(式中、pは、1~100の整数である。)であり、R16が単結合である、請求項1~4のいずれか1項に記載の物品。
- R15が、下記式:
R3-PFPE-
[式中:
R3は、それぞれ独立して、1個またはそれ以上のフッ素原子により置換されていてもよい炭素数1~16のアルキル基を表し;
PFPEは、
-(OC6F12)a-(OC5F10)b-(OC4F8)c-(OC3F6)d-(OC2F4)e-(OCF2)f-
で表される基であり;
a、b、c、d、eおよびfは、それぞれ独立して0以上200以下の整数であって、a、b、c、d、eおよびfの和は少なくとも1であり、a、b、c、d、eまたはfを付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
で表される基であり、R16が、単結合または炭素数1~4のアルキル基である、請求項1~3のいずれか1項に記載の物品。 - 基材と、式(1)で表される化合物または該化合物を含む表面処理剤から形成された層の間に、さらに含ケイ素化合物から形成されたバインダー層を有する、請求項1~6のいずれか1項に記載の物品。
- 含ケイ素化合物が、Si-H化合物、Si-N化合物、Si-O化合物、ハロゲノシラン、Si-(C)4化合物、Si-Si化合物、ビニルシラン、アリルシラン、およびエチニルシランからなる群から選択される1種またはそれ以上の化合物である、請求項7に記載の物品。
- 表面処理剤が、さらに含ケイ素化合物を含む、請求項1~6のいずれか1項に記載の物品。
- 基材が、ガラス、サファイアガラス、樹脂、金属、セラミックス、半導体、繊維、毛皮、皮革、または木材である、請求項1~10のいずれか1項に記載の物品。
- 光学部材または建築部材である、請求項1~11のいずれか1項に記載の物品。
- (A)下記式(1):
[式中:
X1~X5は、それぞれ独立して、水素原子、ハロゲン原子、炭化水素基、ニトロ基、水酸基またはRf基を表し:ただし、X1~X5のうち少なくとも1つは、Rf基であり;
Rf基は、R15-R16-を表し;
R15は、エーテル結合を有していてもよい含フッ素炭化水素基を表し;
R16は、単結合または2価の有機基を表し;
R1は、各出現においてそれぞれ独立して、水酸基、加水分解可能な基またはハロゲン原子を表し;
R2は、各出現においてそれぞれ独立して、水素原子、アルキル基、またはアリール基を表し;
nは、1~3の整数である。]
で表される化合物;および
(B)含ケイ素化合物、含フッ素オイル、シリコーンオイルおよび溶媒から選択される1種またはそれ以上の他の成分
を含む表面処理剤。 - 他の成分が、含ケイ素化合物を含む、請求項13に記載の表面処理剤。
- 含ケイ素化合物が、Si-H化合物、Si-N化合物、Si-O化合物、ハロゲノシラン、Si-(C)4化合物、Si-Si化合物、ビニルシラン、アリルシラン、およびエチニルシランからなる群から選択される1種またはそれ以上の化合物である、請求項13または14に記載の表面処理剤。
- 含フッ素オイルが、下記式(5):
R21-(OC4F8)a’-(OC3F6)b’-(OC2F4)c’-(OCF2)d’-R22 ・・・(5)
[式中:
R21は、1個またはそれ以上のフッ素原子により置換されていてもよいC1-16のアルキル基を表し;
R22は、1個またはそれ以上のフッ素原子により置換されていてもよいC1-16のアルキル基を表し;
a’、b’、c’およびd’は、互いに独立して0以上300以下の整数であって、a’、b’、c’およびd’の和は少なくとも1であり、添字a’、b’、c’またはd’を付して括弧でくくられた各繰り返し単位の存在順序は、式中において任意である。]
で表される1種またはそれ以上の化合物である、請求項13~16のいずれか1項に記載の表面処理剤。 - シリコーンオイルが、シロキサン結合が2,000以下の直鎖状または環状のシリコーンオイルである、請求項13~17のいずれか1項に記載の表面処理剤。
- 溶媒が、炭化水素系溶剤、塩化炭化水素系溶剤、エーテル系溶剤、エステル系溶剤、プロピレングリコール系溶剤、ケトン系溶剤、アルコール系溶剤、芳香族炭化水素類、炭素数5~12のパーフルオロ脂肪族炭化水素、ポリフルオロ芳香族炭化水素、ポリフルオロ脂肪族炭化水素、ヒドロフルオロエーテル、ハイドロクロロフルオロカーボン、およびセロソルブ系溶剤から選択される1種またはそれ以上の溶媒である、請求項13~18のいずれか1項に記載の表面処理剤。
- 防汚性コーティング剤または防水性コーティング剤として使用される、請求項13~19のいずれか1項に記載の表面処理剤。
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| CN111886306A (zh) * | 2018-03-14 | 2020-11-03 | 信越化学工业株式会社 | 含氟涂布剂组合物、表面处理剂和物品 |
| KR20200131258A (ko) * | 2018-03-14 | 2020-11-23 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 함불소 코팅제 조성물, 표면처리제 및 물품 |
| JPWO2019176458A1 (ja) * | 2018-03-14 | 2021-03-11 | 信越化学工業株式会社 | 含フッ素コーティング剤組成物、表面処理剤及び物品 |
| CN111886306B (zh) * | 2018-03-14 | 2022-05-17 | 信越化学工业株式会社 | 含氟涂布剂组合物、表面处理剂和物品 |
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| JPWO2024058205A1 (ja) * | 2022-09-14 | 2024-03-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20190021398A (ko) | 2019-03-05 |
| KR102339505B1 (ko) | 2021-12-16 |
| EP3492259A1 (en) | 2019-06-05 |
| KR102204854B1 (ko) | 2021-01-19 |
| EP3492259A4 (en) | 2020-04-22 |
| US20190169445A1 (en) | 2019-06-06 |
| CN109476130A (zh) | 2019-03-15 |
| JP2018024859A (ja) | 2018-02-15 |
| JP6337995B2 (ja) | 2018-06-06 |
| JP6993576B2 (ja) | 2022-01-13 |
| JP2018154125A (ja) | 2018-10-04 |
| KR20210008163A (ko) | 2021-01-20 |
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