WO2017078141A1 - 表面処理層を有する物品 - Google Patents
表面処理層を有する物品 Download PDFInfo
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- WO2017078141A1 WO2017078141A1 PCT/JP2016/082808 JP2016082808W WO2017078141A1 WO 2017078141 A1 WO2017078141 A1 WO 2017078141A1 JP 2016082808 W JP2016082808 W JP 2016082808W WO 2017078141 A1 WO2017078141 A1 WO 2017078141A1
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- KJFICOFNPCJYLQ-UHFFFAOYSA-N CC(N(C)c1cccc([Si](C)(C)C)c1)=O Chemical compound CC(N(C)c1cccc([Si](C)(C)C)c1)=O KJFICOFNPCJYLQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/12—Optical coatings produced by application to, or surface treatment of, optical elements by surface treatment, e.g. by irradiation
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
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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
-
- 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
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
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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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/24—Layered products comprising a layer of synthetic resin characterised by the use of special additives using solvents or swelling agents
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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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
Definitions
- the present invention relates to an article having a surface treatment layer, in particular, an article having a surface treatment layer obtained from a surface treatment agent containing a fluorine-containing silane compound on a zirconium oxide substrate and a method for producing the same.
- fluorine-containing compounds can provide excellent water repellency, oil repellency, antifouling properties and the like when used for surface treatment of a substrate.
- a fluorine-containing silane compound a perfluoropolyether group-containing silane compound having a perfluoropolyether group in the molecular main chain and a hydrolyzable group bonded to a Si atom at the molecular terminal or terminal part is known. It has been.
- Patent Document 1 describes a perfluoropolyether group-containing silane compound having a hydrolyzable group bonded to a Si atom at the molecular terminal or terminal part.
- a layer (hereinafter also referred to as “surface treatment layer”) obtained from a surface treatment agent containing a fluorine-containing silane compound as described above is applied to glass or the like as a so-called functional thin film.
- the surface treatment layer can exhibit the above-described functions even in a thin film, it is applied to optical members such as glasses, touch panels, and operation screens of portable terminals that require light transmission or transparency.
- a glass substrate is generally used for an operation screen of a portable terminal or the like, and the surface treatment layer is formed on the glass substrate.
- zirconia ceramics may be used on the surface of the housing part because it is excellent in design such as having luster similar to diamond.
- portable terminals and the like are required to have improved friction durability, but according to the study by the present inventors, the surface treatment layer formed on the glass substrate can have sufficient friction durability.
- the surface treatment layer formed on the zirconia ceramic has insufficient friction durability.
- an object of the present invention is to provide an article in which a surface treatment layer having higher friction durability is formed on a zirconia ceramic substrate, that is, a zirconium oxide substrate, and a method for forming such a layer. .
- the inventors of the present invention formed a metal oxide layer on a zirconium oxide base material and formed a surface treatment layer thereon using a composition containing a fluorine-containing silane compound.
- the inventors have found that a surface treatment layer having excellent friction durability can be obtained, and have completed the present invention.
- a zirconium oxide substrate An intermediate layer located on the substrate; An article having a surface treatment layer formed from a surface treatment agent containing a fluorine-containing silane compound located on the intermediate layer, Articles in which the intermediate layer comprises one or more metal oxides are provided.
- a method for forming a surface treatment layer formed from a surface treatment agent containing a fluorine-containing silane compound on a zirconium oxide substrate Forming an intermediate layer on the zirconium oxide substrate using one or more metal oxides;
- a method including forming a surface treatment layer on the intermediate layer using a surface treatment agent containing a fluorine-containing silane compound is provided.
- a zirconium oxide substrate An intermediate layer located on the substrate; A surface treatment layer formed from a surface treatment agent containing a fluorine-containing silane compound located on the intermediate layer, Forming an intermediate layer on the zirconium oxide substrate using one or more metal oxides;
- a method including forming a surface treatment layer on the intermediate layer using a surface treatment agent containing a fluorine-containing silane compound is provided.
- a surface treatment layer having high friction durability can be obtained on a zirconium oxide substrate.
- the article of the present invention comprises a zirconium oxide base material, an intermediate layer formed on the base material, and a surface treatment layer formed on the intermediate layer.
- the article of the present invention may be a housing (for example, a housing of a form terminal), a jewelry (for example, a clock face), a spectacle frame, or a part thereof.
- a zirconium oxide base material is a base material composed of a material mainly composed of zirconium oxide.
- the “main component” means a material contained most in the material, for example, a material contained in 50% by mass or more.
- the component other than the main component contained in the zirconium oxide base material is not particularly limited, and examples thereof include a stabilizer and a colorant.
- the stabilizer is not particularly limited, and may be a metal oxide such as magnesium oxide, calcium oxide, yttrium oxide, scandium oxide, or cerium oxide.
- the colorant is not particularly limited, and may be, for example, an oxide of Co, Cr, Fe, Mn or Ni, or a composite oxide. In one embodiment, the colorant is Fe 2 O 3 .
- the shape of the zirconium oxide base material is not particularly limited. Further, the surface region of the base material on which the intermediate layer and the surface treatment layer are to be formed may be at least a 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.
- the base material may be pretreated, for example, washed before forming the intermediate layer on the base material.
- the pretreatment By performing the pretreatment, the adhesion between the base material and the intermediate layer is improved, and higher friction durability can be obtained.
- An intermediate layer is provided on the zirconium oxide substrate.
- the intermediate layer contains one or more metal oxides, and may be a single layer or a multilayer.
- the metal oxide contained in the intermediate layer is not particularly limited.
- silicon oxide typically SiO 2
- aluminum oxide typically Al 2 O 3
- zirconium oxide typically , ZrO 2
- the intermediate layer includes at least silicon oxide or aluminum oxide.
- the intermediate layer contains silicon oxide or aluminum oxide, a surface treatment layer having higher friction durability can be obtained on the substrate.
- the intermediate layer contains at least silicon oxide.
- the intermediate layer contains silicon oxide, a surface treatment layer having higher friction durability can be obtained on the substrate.
- the intermediate layer contains silicon oxide and aluminum oxide.
- the intermediate layer contains silicon oxide and aluminum oxide, a surface treatment layer having higher friction durability can be obtained on the substrate.
- the intermediate layer may further contain zirconium oxide.
- silicon oxide is present on the surface of the intermediate layer on the surface treatment agent side.
- aluminum oxide or zirconium oxide preferably aluminum oxide is present on the surface on the substrate side in the intermediate layer.
- the presence of aluminum oxide or zirconium oxide, particularly aluminum oxide, on the surface of the intermediate layer on the base material side results in a stronger bond between the base material and the intermediate layer, resulting in a surface treatment layer with higher friction durability. be able to.
- the intermediate layer may be a single layer or may be composed of a plurality of layers, but is preferably composed of a plurality of layers.
- the metal oxide contained in the intermediate layer may be one type or two or more types.
- the intermediate layer preferably contains at least one or two metal oxides selected from aluminum oxide and silicon oxide.
- the two or more kinds of metal oxides may be uniformly distributed in the intermediate layer or may be unevenly distributed.
- more aluminum oxide or zirconium oxide, particularly aluminum oxide is present on the substrate side, and more silicon oxide is present on the surface treatment layer side.
- each layer may be composed of one or more metal oxides, but preferably one metal oxide Consists of
- the intermediate layer may have a plurality of layers of the same metal oxide.
- the boundary between such layers may not necessarily be clear.
- the thickness of the region where both metal oxides exist is 50 nm or less, preferably 20 nm or less, more preferably 5 nm or less.
- the layer located closest to the substrate is an aluminum oxide layer or a zirconium oxide layer, preferably an aluminum oxide layer, and the layer located closest to the surface treatment agent is It is a layer of silicon oxide.
- the intermediate layer include the following layer structures.
- the left side is the base material side, and the right side is the surface treatment layer side.
- Al 2 O 3 / SiO 2 or ZrO 2 / Al 2 O 3 / SiO 2 is preferable, and Al 2 O 3 / SiO 2 is particularly preferable.
- SiO 2 , Al 2 O 3 , Al 2 O 3 / SiO 2 or Al 2 O 3 / SiO 2 / Al 2 O 3 / SiO 2 is preferable, and Al 2 O 3 / SiO 2 is particularly preferred.
- the thickness of the intermediate layer (when there are a plurality of layers, the total thickness thereof) is not particularly limited, but is preferably 5 nm or more, more preferably 10 nm or more, still more preferably 20 nm or more, and even more preferably 30 nm or more. Yes, preferably 80 nm or less, more preferably 50 nm or less.
- the thickness of each layer is not particularly limited, but is preferably 5 nm or more, more preferably 10 nm or more, further preferably 15 nm or more, preferably 50 nm or less, more preferably 30 nm. Hereinafter, it is more preferably 20 nm or less.
- the thickness of the intermediate layer is determined by etching the surface of the substrate surface-treated with an argon cluster ion beam (Ar-GCIB) from the surface-treated layer side, measuring the atomic concentration by X-ray photoelectron spectroscopy (XPS), It can be calculated from the etching rate obtained by repeating such operations.
- Ar-GCIB argon cluster ion beam
- the intermediate layer is (i) SiO 2 (Ii) Al 2 O 3 (Iii) Al 2 O 3 / SiO 2 (Iv) ZrO 2 / Al 2 O 3 / SiO 2 (V) Al 2 O 3 / SiO 2 / Al 2 O 3 / SiO 2 Selected from
- the thickness of the intermediate layer (when there are a plurality of layers, the total thickness thereof) is 5 nm or more and 80 nm or less, When a plurality of layers are present, the thickness of each layer can be 5 nm or more and 50 nm or less.
- the intermediate layer is Al 2 O 3 / SiO 2
- Their total thickness is 20 nm or more and 60 nm or less, The thickness of each layer may be 10 nm or more and 20 nm or less, preferably 10 nm or more and 15 nm or less.
- the method for forming the intermediate layer is not particularly limited as long as it is a method capable of forming a metal oxide layer on a base material.
- vapor deposition methods such as physical vapor deposition (PVD) and chemical vapor deposition are used.
- a phase growth method (CVD: Chemical Vapor Deposition) or the like can be used.
- PVD method a vacuum evaporation method, sputtering, etc. are mentioned.
- Specific examples of the vacuum deposition method include resistance heating, high-frequency heating using an electron beam, microwaves, 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 PVD method is preferable, particularly resistance heating evaporation or electron beam evaporation is preferable, and electron beam evaporation is more preferable.
- a surface treatment layer having higher friction durability can be obtained.
- the substrate before the surface treatment layer is formed on the intermediate layer, the substrate may be subjected to a pretreatment such as a cleaning treatment.
- a pretreatment such as a cleaning treatment.
- a surface treatment layer is provided on the intermediate layer.
- the surface treatment layer is preferably formed using a surface treatment agent containing a fluorine-containing silane compound, has a perfluoropolyether group on the surface, and is bonded to the intermediate layer via a silane portion.
- the thickness of the surface treatment layer is not particularly limited, but is preferably 1 to 50 nm, more preferably 1 to 30 nm, and even more preferably 15 to 30 nm from the viewpoint of friction durability.
- the fluorine-containing silane compound preferably contains a Si atom having a perfluoropolyether group and a hydrolyzable group.
- the fluorine-containing silane compound has the following general formulas (A1), (A2), (B1), (B2), (C1), (C2), (D1) and (D2): [Where: PFPE has the formula: -(OC 4 F 8 ) a- (OC 3 F 6 ) b- (OC 2 F 4 ) c- (OCF 2 ) d- Wherein a, b, c and d are each independently an integer of 0 to 200, and the sum of a, b, c and d is at least 1, and the subscripts a, b, c or d The order of existence of each repeating unit with parentheses attached with is arbitrary in the formula.)
- a group represented by: Rf independently represents each alkyl group having 1 to 16 carbon atoms which may be substituted with one or more fluor
- R d independently represents at each occurrence —Z′—CR 81 p ′ R 82 q ′ R 83 r ′ ;
- Z ′ represents, independently at each occurrence, an oxygen atom or a divalent organic group;
- R 81 independently represents R d ′ at each occurrence;
- R d ′ is synonymous with R d ;
- R 82 independently represents -Y-SiR 85 j R 86 3-j at each occurrence;
- Y represents a divalent organic group independently at each occurrence;
- R 85 independently represents at each occurrence a hydroxyl group or a hydrolyzable group;
- R 86 independently represents a hydrogen atom or a lower alkyl group at each occurrence;
- j represents an integer of 1 to 3 independently for each unit (-Y-SiR 85 j R 86 3-j );
- R 83 each
- hydrocarbon group means a group containing carbon and hydrogen, and a group in which one hydrogen atom has been eliminated from a hydrocarbon.
- Such hydrocarbon group is not particularly limited, but may be a hydrocarbon group having 1 to 20 carbon atoms which may be substituted by one or more substituents, such as an aliphatic hydrocarbon group, An aromatic hydrocarbon group etc. are mentioned.
- the “aliphatic hydrocarbon group” may be linear, branched or cyclic, and may be either saturated or unsaturated.
- the hydrocarbon group may also contain one or more ring structures.
- Such a hydrocarbon group may have one or more N, O, S, Si, amide, sulfonyl, siloxane, carbonyl, carbonyloxy and the like at its terminal or molecular chain.
- the substituent of the “hydrocarbon group” is not particularly limited, but includes, for example, a halogen atom; C 1-6 alkyl optionally substituted by one or more halogen atoms Group, C 2-6 alkenyl group, C 2-6 alkynyl group, C 3-10 cycloalkyl group, C 3-10 unsaturated cycloalkyl group, 5-10 membered heterocyclyl group, 5-10 membered unsaturated heterocyclyl And one or more groups selected from a group, a C 6-10 aryl group and a 5-10 membered heteroaryl group.
- divalent to decavalent organic group means a divalent to decavalent group containing carbon.
- a divalent to decavalent organic group is not particularly limited, and examples thereof include divalent to decavalent groups in which 1 to 9 hydrogen atoms are further eliminated from a hydrocarbon group.
- the divalent organic group is not particularly limited, and examples thereof include a divalent group in which one hydrogen atom is further eliminated from a hydrocarbon group.
- perfluoropolyether group-containing silane compounds represented by the above formulas (A1), (A2), (B1), (B2), (C1), (C2), (D1) and (D2) will be described below. .
- PFPE is — (OC 4 F 8 ) a — (OC 3 F 6 ) b — (OC 2 F 4 ) c — (OCF 2 ) d —, which corresponds to a perfluoropolyether group.
- a, b, c and d are each independently 0 or an integer of 1 or more, and the sum of a, b, c and d is at least 1.
- a, b, c and d are each independently an integer of 0 to 200, for example, an integer of 1 to 200, more preferably an integer of 0 to 100.
- the sum of a, b, c and d 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 with a, b, c or d in parentheses 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 ) —.
- -(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.
- PFPE is — (OC 3 F 6 ) b — (wherein b is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200),
- — (OCF 2 CF 2 CF 2 ) b — (wherein b is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200) or — (OCF (CF 3 ) CF 2 ) b — (wherein b is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200), more preferably — (OCF 2 CF 2 CF 2 ) b- (wherein b is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200).
- PFPE has the following structure:-(OC 4 F 8 ) a- (OC 3 F 6 ) b- (OC 2 F 4 ) c- (OCF 2 ) d- (wherein a and b are each independently And c and d are each independently an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200, and the subscripts a, b, c Or the order of presence of each repeating unit in parentheses with d attached is arbitrary in the formula), preferably — (OCF 2 CF 2 CF 2 CF 2 ) a — (OCF 2 CF 2 CF 2 ) b- (OCF 2 CF 2 ) c- (OCF 2 ) d- .
- PFPE is — (OC 2 F 4 ) c — (OCF 2 ) d — (wherein c and d 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 subscript c or d is arbitrary in the formula).
- PFPE is a group represented by — (R 19 —R 18 ) n ′′ —.
- R 19 is OCF 2 or OC 2 F 4 , preferably OC 2 F
- R 18 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 from these groups A combination of 2 or 3 groups independently selected, preferably R 18 is a group selected from OC 2 F 4 , OC 3 F 6 and OC 4 F 8 , or these A combination of 2 or 3 groups independently selected from the group.
- such PFPE is a group represented by — (OC 2 F 4 —R 18 ) n ′′ —.
- R 18 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.
- N ′′ is an integer of 2 to 100, preferably an integer of 2 to 50.
- OC 2 F 4 , OC 3 F 6 and OC 4 F 8 are either linear or branched.
- PFPE is preferably — (OC 2 F 4 —OC 3 F 6 ) n ′′ — or — (OC 2 F 4 —OC 4 F 8 ). n ′′ ⁇ .
- Rf 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.
- Rf 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, and still more preferably Is a perfluoroalkyl group having 1 to 16 carbon atoms.
- the perfluoroalkyl group having 1 to 16 carbon atoms may be linear or branched, and preferably has 1 to 6 carbon atoms, particularly 1 to 6 carbon atoms. 3 perfluoroalkyl group, more preferably a linear perfluoroalkyl group having 1 to 3 carbon atoms, specifically —CF 3 , —CF 2 CF 3 , or —CF 2 CF 2 CF 3 . .
- R 1 independently represents a hydrogen atom or an alkyl group having 1 to 22 carbon atoms, preferably an alkyl group having 1 to 4 carbon atoms, at each occurrence.
- R 2 independently represents a hydroxyl group or a hydrolyzable group 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.
- R 11 independently represents a hydrogen atom or a halogen atom at each occurrence.
- the halogen atom is preferably an iodine atom, a chlorine atom or a fluorine atom, more preferably a fluorine atom.
- R 12 each independently represents a hydrogen atom or a lower alkyl group.
- the lower alkyl group is preferably an alkyl group having 1 to 20 carbon atoms, more preferably an alkyl group having 1 to 6 carbon atoms, and examples thereof include a methyl group, an ethyl group, and a propyl group.
- n is independently an integer of 0 to 3, preferably 0 to 2, more preferably 0, independently for each (-SiR 1 n R 2 3-n ) unit. However, in the formula, all n are not 0 simultaneously. In other words, at least one R 2 is present in the formula.
- each X 1 independently represents a single bond or a divalent to 10-valent organic group.
- the X 1 is a perfluoropolyether part (ie, Rf-PFPE part or -PFPE-part) mainly providing water repellency and surface slipperiness in the compounds represented by the formulas (A1) and (A2).
- a silane moiety that is, a group parenthesized with ⁇ that provides the binding ability to the base material. Therefore, X 1 may be any organic group as long as the compounds represented by formulas (A1) and (A2) can exist stably.
- ⁇ is an integer of 1 to 9
- ⁇ ′ is an integer of 1 to 9.
- These ⁇ and ⁇ ′ can vary depending on the valence of X 1 .
- the sum of ⁇ and ⁇ ′ is the same as the valence of X 1 .
- X 1 is a 10-valent organic group
- the sum of ⁇ and ⁇ ′ is 10, for example, ⁇ is 9 and ⁇ ′ is 1, ⁇ is 5 and ⁇ ′ is 5, or ⁇ is 1 and ⁇ 'Can be nine.
- ⁇ and ⁇ ′ are 1.
- alpha is a value obtained by subtracting 1 from the valence of X 1.
- X 1 is preferably 2 to 7 valent, more preferably 2 to 4 valent, and still more preferably a divalent organic group.
- X 1 is a divalent to tetravalent organic group
- ⁇ is 1 to 3
- ⁇ ′ is 1.
- X 1 is a divalent organic group
- ⁇ is 1
- ⁇ ′ is 1.
- the formulas (A1) and (A2) are represented by the following formulas (A1 ′) and (A2 ′).
- Examples of X 1 are not particularly limited, but for example, the following formula: -(R 31 ) p1- (X a ) q1- [Where: R 31 represents a single bond, — (CH 2 ) s ′ — or o-, m- or p-phenylene group, preferably — (CH 2 ) s ′ — s ′ is an integer of 1 to 20, preferably an integer of 1 to 6, more preferably an integer of 1 to 3, and even more preferably 1 or 2.
- X a represents-(X b ) l ' - X b is independently at each occurrence —O—, —S—, o—, m- or p-phenylene, —C (O) O—, —Si (R 33 ) 2 —, — ( Si (R 33 ) 2 O) m ′′ —Si (R 33 ) 2 —, —CONR 34 —, —O—CONR 34 —, —NR 34 — and — (CH 2 ) n ′ —
- R 33 each independently represents a phenyl group, a C 1-6 alkyl group or a C 1-6 alkoxy group, preferably a phenyl group or a C 1-6 alkyl group, and more preferably a methyl group.
- R 34 each independently represents a hydrogen atom, a phenyl group or a C 1-6 alkyl group (preferably a methyl group) at each occurrence;
- m ′′ is independently an integer of 1 to 100, preferably an integer of 1 to 20, at each occurrence.
- n ′ is independently an integer of 1 to 20, preferably an integer of 1 to 6, more preferably an integer of 1 to 3, at each occurrence.
- R 31 and X a are one or more selected from a fluorine atom, a C 1-3 alkyl group, and a C 1-3 fluoroalkyl group It may be substituted with a substituent.
- X 1 is — (R 31 ) p1 — (X a ) q1 —R 32 —.
- R 32 represents a single bond, — (CH 2 ) t ′ — or o-, m- or p-phenylene group, and preferably — (CH 2 ) t ′ —.
- t ′ is an integer of 1 to 20, preferably an integer of 2 to 6, more preferably an integer of 2 to 3.
- R 32 (typically a hydrogen atom of R 32 ) is substituted with one or more substituents selected from a fluorine atom, a C 1-3 alkyl group and a C 1-3 fluoroalkyl group. It may be.
- X 1 is A C 1-20 alkylene group, -R 31 -X c -R 32- , or -X d -R 32- [Wherein, R 31 and R 32 are as defined above. ] It can be.
- said X 1 is A C 1-20 alkylene group, -(CH 2 ) s' -X c- , -(CH 2 ) s ' -X c- (CH 2 ) t'- -X d- , or -X d- (CH 2 ) t ' - [Wherein, s ′ and t ′ are as defined above]. ] It is.
- X c is -O-, -S-, -C (O) O-, -CONR 34 -, -O-CONR 34 -, -Si (R 33 ) 2- , -(Si (R 33 ) 2 O) m " -Si (R 33 ) 2- , —O— (CH 2 ) u ′ — (Si (R 33 ) 2 O) m ′′ —Si (R 33 ) 2 —, —O— (CH 2 ) u ′ —Si (R 33 ) 2 —O—Si (R 33 ) 2 —CH 2 CH 2 —Si (R 33 ) 2 —O—Si (R 33 ) 2 —, —O— (CH 2 ) u ′ —Si (OCH 3 ) 2 OSi (OCH 3 ) 2 —, —CONR 34 — (CH 2 ) u ′ — (Si (R) 2- ,
- X d is -S-, -C (O) O-, -CONR 34 -, —CONR 34 — (CH 2 ) u ′ — (Si (R 33 ) 2 O) m ′′ —Si (R 33 ) 2 —, —CONR 34 — (CH 2 ) u ′ —N (R 34 ) —, or —CONR 34 — (o-, m- or p-phenylene) -Si (R 33 ) 2 — [Wherein each symbol is as defined above. ] Represents.
- said X 1 is A C 1-20 alkylene group, — (CH 2 ) s ′ —X c — (CH 2 ) t ′ —, or —X d — (CH 2 ) t ′ — [Wherein each symbol is as defined above. ] It can be.
- said X 1 is A C 1-20 alkylene group, — (CH 2 ) s ′ —O— (CH 2 ) t ′ —, — (CH 2 ) s ′ — (Si (R 33 ) 2 O) m ′′ —Si (R 33 ) 2 — (CH 2 ) t ′ — — (CH 2 ) s ′ —O— (CH 2 ) u ′ — (Si (R 33 ) 2 O) m ′′ —Si (R 33 ) 2 — (CH 2 ) t ′ —, or — (CH 2 ) s′— O— (CH 2 ) t ′ —Si (R 33 ) 2 — (CH 2 ) u ′ —Si (R 33 ) 2 — (C v H 2v ) —
- R 33 , m ′′, s ′, t ′ and u ′ are
- — (C v H 2v ) — may be linear or branched.
- the X 1 group is substituted with one or more substituents selected from a fluorine atom, a C 1-3 alkyl group, and a C 1-3 fluoroalkyl group (preferably a C 1-3 perfluoroalkyl group). May be.
- the X 1 group can be other than an —O—C 1-6 alkylene group.
- examples of X 1 groups include the following groups: [Wherein, each R 41 independently represents a hydrogen atom, a phenyl group, an alkyl group having 1 to 6 carbon atoms, or a C 1-6 alkoxy group, preferably a methyl group; D is —CH 2 O (CH 2 ) 2 —, —CH 2 O (CH 2 ) 3 —, —CF 2 O (CH 2 ) 3 —, -(CH 2 ) 2- , -(CH 2 ) 3- , - (CH 2) 4 -, -CONH- (CH 2 ) 3- , -CON (CH 3 )-(CH 2 ) 3- , —CON (Ph) — (CH 2 ) 3 — (wherein Ph represents phenyl), and (In the formula, each R 42 independently represents a hydrogen atom, a C 1-6 alkyl group or a C 1-6 alkoxy group, preferably a methyl group or a methoxy group, more
- X 1 include, for example: —CH 2 O (CH 2 ) 2 —, —CH 2 O (CH 2 ) 3 —, —CH 2 O (CH 2 ) 6 —, —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 OSi (CH 3 ) 2 (CH 2 ) 2 —, -CH 2 O (CH 2) 3 Si (CH 3) 2 OSi (CH 3) 2 OSi (CH 3) 2 (CH 2) 2 -, -CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 2 Si (CH 3 ) 2 (CH 2 ) 2- , —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 3 Si (CH 3 ) 2 (CH 2 ) 2 —, —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 3 Si (CH 3 ) 2 (CH
- X 1 is a group represented by the formula: — (R 16 ) x — (CFR 17 ) y — (CH 2 ) z —.
- x, y and z are each independently an integer of 0 to 10, the sum of x, y and z is 1 or more, and the order in which each repeating unit enclosed in parentheses is in the formula Is optional.
- R 16 is independently an oxygen atom, phenylene, carbazolylene, —NR 26 — (wherein R 26 represents a hydrogen atom or an organic group) or a divalent organic group at each occurrence. is there.
- R 16 is an oxygen atom or a divalent polar group.
- the “divalent polar group” is not particularly limited, but —C (O) —, —C ( ⁇ NR 27 ) —, and —C (O) NR 27 — (in these formulas, R 27 is Represents a hydrogen atom or a lower alkyl group).
- the “lower alkyl group” is, for example, an alkyl group having 1 to 6 carbon atoms, for example, methyl, ethyl, n-propyl, and these may be substituted with one or more fluorine atoms.
- R 17 is each independently a hydrogen atom, a fluorine atom or a lower fluoroalkyl group, preferably a fluorine atom, at each occurrence.
- the “lower fluoroalkyl group” is, for example, a fluoroalkyl group having 1 to 6 carbon atoms, preferably 1 to 3 carbon atoms, preferably a perfluoroalkyl group having 1 to 3 carbon atoms, more preferably a trifluoromethyl group, A pentafluoroethyl group, more preferably a trifluoromethyl group.
- X 1 is preferably of the formula: — (O) x — (CF 2 ) y — (CH 2 ) z —, wherein x, y and z are as defined above
- x, y and z are as defined above
- the order in which each repeating unit is included is arbitrary in the formula).
- Examples of the group represented by the above formula: — (O) x — (CF 2 ) y — (CH 2 ) z — include, for example, — (O) x ′ — (CH 2 ) z ′′ —O — [(CH 2) z '''-O-] z "", and - (O) x' - ( CF 2) y "- (CH 2) z” -O - [(CH 2) z '''-O- Z ′′ ′′ (wherein x ′ is 0 or 1, y ′′, z ′′ and z ′ ′′ are each independently an integer of 1 to 10, and z ′′ ′′ is 0 or 1) These groups are bonded at the left end to the PFPE side.
- X 1 is —O—CFR 13 — (CF 2 ) e —.
- Each R 13 independently represents a fluorine atom or a lower fluoroalkyl group.
- the lower fluoroalkyl group is, for example, a fluoroalkyl group having 1 to 3 carbon atoms, preferably a perfluoroalkyl group having 1 to 3 carbon atoms, more preferably a trifluoromethyl group, a pentafluoroethyl group, still more preferably a trifluoromethyl group. It is.
- the above e is 0 or 1 independently.
- R 13 is a fluorine atom and e is 1.
- examples of X 1 groups include the following groups: [Where: Each of R 41 is independently a hydrogen atom, a phenyl group, an alkyl group having 1 to 6 carbon atoms, or a C 1-6 alkoxy group, preferably a methyl group; In each X 1 group, any some of T are attached to the PFPE of the molecular backbone: —CH 2 O (CH 2 ) 2 —, —CH 2 O (CH 2 ) 3 —, —CF 2 O (CH 2 ) 3 —, -(CH 2 ) 2- , -(CH 2 ) 3- , - (CH 2) 4 -, -CONH- (CH 2 ) 3- , -CON (CH 3 )-(CH 2 ) 3- , —CON (Ph) — (CH 2 ) 3 — (wherein Ph represents phenyl), or [Wherein, each R 42 independently represents a hydrogen atom, a C 1-6 alkyl group or a C
- Ts are groups opposite to PFPE of the molecular main chain (that is, carbon atoms in formulas (A1) and (A2), and formulas (B1), (B2), ( -(CH 2 ) n ′′ -(n ′′ is an integer of 2 to 6) bonded to the Si atom in (C1) and (C2), and when present, the rest are each independently a methyl group, A phenyl group, a C 1-6 alkoxy group, a radical scavenging group or an ultraviolet absorbing group.
- the radical scavenging group is not particularly limited as long as it can capture radicals generated by light irradiation.
- benzophenones benzotriazoles, benzoates, phenyl salicylates, crotonic acids, malonic esters, organoacrylates , Hindered amines, hindered phenols, or triazine residues.
- the ultraviolet absorbing group is not particularly limited as long as it can absorb ultraviolet rays.
- benzotriazoles, hydroxybenzophenones, esters of substituted and unsubstituted benzoic acid or salicylic acid compounds, acrylates or alkoxycinnamates, oxamides examples include residues of oxanilides, benzoxazinones, and benzoxazoles.
- radical scavenging group or the ultraviolet absorbing group Is mentioned.
- X 1 , X 5 and X 7 can each independently be a trivalent to 10 valent organic group.
- t is each independently an integer of 1 to 10. In a preferred embodiment, t is an integer from 1-6. In another preferred embodiment, t is an integer from 2 to 10, preferably an integer from 2 to 6.
- X 2 independently represents a single bond or a divalent organic group at each occurrence.
- X 2 is preferably an alkylene group having 1 to 20 carbon atoms, and more preferably — (CH 2 ) u — (wherein u is an integer of 0 to 2).
- Preferred compounds represented by formulas (A1) and (A2) are represented by the following formulas (A1 ′) and (A2 ′): [Where: Each PFPE is independently of the formula: -(OC 4 F 8 ) a- (OC 3 F 6 ) b- (OC 2 F 4 ) c- (OCF 2 ) d- Wherein a, b, c and d are each independently an integer of 0 to 200, and the sum of a, b, c and d is at least 1, and the subscripts a, b, c or d The order of existence of each repeating unit with parentheses attached with is arbitrary in the formula.)
- R 1 independently represents a hydrogen atom or an alkyl group having 1 to 22 carbon atoms at each occurrence;
- R 2 represents, independently at each
- the compounds represented by the above formulas (A1) and (A2) are obtained by introducing, for example, —CH 2 CR 12 (X It can be obtained by reacting a vinyl monomer corresponding to 2- SiR 1 n R 2 3-n ) —.
- Rf, PFPE, R 1 , R 2 and n are as defined in the above formulas (A1) and (A2).
- X 5 each independently represents a single bond or a divalent to 10-valent organic group.
- the X 5 is a perfluoropolyether part (Rf-PFPE part or -PFPE-part) mainly providing water repellency and surface slipperiness in the compounds represented by the formulas (B1) and (B2); It is understood as a linker that connects a silane moiety (specifically, —SiR 1 n R 2 3-n ) that provides a binding ability with a substrate. Therefore, X 5 may be any organic group as long as the compounds represented by formulas (B1) and (B2) can exist stably.
- ⁇ is an integer of 1 to 9
- ⁇ ′ is an integer of 1 to 9.
- ⁇ and ⁇ ′ are determined according to the valence of X 5
- the sum of ⁇ and ⁇ ′ is the same as the valence of X 5 .
- X 5 is a 10-valent organic group
- the sum of ⁇ and ⁇ ′ is 10, for example, ⁇ is 9 and ⁇ ′ is 1, ⁇ is 5 and ⁇ ′ is 5, or ⁇ is 1 and ⁇ 'Can be nine.
- ⁇ and ⁇ ′ are 1.
- beta is a value obtained by subtracting 1 from the valence of the value of X 5.
- X 5 is preferably a divalent organic group having 2 to 7 valences, more preferably 2 to 4 valences, and even more preferably a divalent organic group.
- X 5 is a divalent to tetravalent organic group
- ⁇ is 1 to 3
- ⁇ ′ is 1.
- X 5 is a divalent organic group
- ⁇ is 1
- ⁇ ′ is 1.
- the formulas (B1) and (B2) are represented by the following formulas (B1 ′) and (B2 ′).
- Examples of X 5 are not particularly limited, and examples thereof include those similar to those described for X 1 .
- preferable specific X 5 is —CH 2 O (CH 2 ) 2 —, —CH 2 O (CH 2 ) 3 —, —CH 2 O (CH 2 ) 6 —, —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 OSi (CH 3 ) 2 (CH 2 ) 2 —, -CH 2 O (CH 2) 3 Si (CH 3) 2 OSi (CH 3) 2 OSi (CH 3) 2 (CH 2) 2 -, -CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 2 Si (CH 3 ) 2 (CH 2 ) 2- , —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 3 Si (CH 3 ) 2 (CH 2 ) 2 —, —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 3 Si (CH 3 ) 2 (CH 2
- Preferred compounds represented by formulas (B1) and (B2) are represented by the following formulas (B1 ′) and (B2 ′): [Where: Each PFPE is independently of the formula: -(OC 4 F 8 ) a- (OC 3 F 6 ) b- (OC 2 F 4 ) c- (OCF 2 ) d- Wherein a, b, c and d are each independently an integer of 0 to 200, and the sum of a, b, c and d is at least 1, and the subscripts a, b, c or d The order of existence of each repeating unit with parentheses attached with is arbitrary in the formula.)
- R 1 independently represents a hydrogen atom or an alkyl group having 1 to 22 carbon atoms at each occurrence;
- R 2 represents, independently at each
- the compounds represented by the above formulas (B1) and (B2) can be produced by a known method, for example, the method described in Patent Document 1 or an improved method thereof.
- Rf and PFPE are the same as those described for the above formulas (A1) and (A2).
- X 7 each independently represents a single bond or a divalent to 10-valent organic group.
- the X 7 is a formula (C1) and in the compounds represented by (C2), mainly perfluoropolyether unit for providing water repellency and surface slipperiness, etc. (Rf-PFPE unit or -PFPE- parts) (specifically, -SiR a k R b l R c m group) silane unit that provides a binding capability to a substrate is understood as a linker linking. Therefore, X 7 may be any organic group as long as the compounds represented by formulas (C1) and (C2) can exist stably.
- ⁇ is an integer of 1 to 9
- ⁇ ′ is an integer of 1 to 9.
- ⁇ and ⁇ ′ are determined according to the valence of X 7
- the sum of ⁇ and ⁇ ′ is the same as the valence of X 7 .
- X 7 is a 10-valent organic group
- the sum of ⁇ and ⁇ ′ is 10, for example, ⁇ is 9 and ⁇ ′ is 1, ⁇ is 5 and ⁇ ′ is 5, or ⁇ is 1 and ⁇ .
- gamma is a value obtained by subtracting 1 from the valence of the values of X 7.
- X 7 is preferably a divalent organic group having 2 to 7 valences, more preferably 2 to 4 valences, and even more preferably a divalent organic group.
- X 7 is a divalent to tetravalent organic group, ⁇ is 1 to 3, and ⁇ ′ is 1.
- X 7 is a divalent organic group, ⁇ is 1 and ⁇ ′ is 1.
- the formulas (C1) and (C2) are represented by the following formulas (C1 ′) and (C2 ′).
- Examples of X 7 are not particularly limited, and examples thereof include those similar to those described for X 1 .
- preferable specific X 7 is —CH 2 O (CH 2 ) 2 —, —CH 2 O (CH 2 ) 3 —, —CH 2 O (CH 2 ) 6 —, —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 OSi (CH 3 ) 2 (CH 2 ) 2 —, -CH 2 O (CH 2) 3 Si (CH 3) 2 OSi (CH 3) 2 OSi (CH 3) 2 (CH 2) 2 -, -CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 2 Si (CH 3 ) 2 (CH 2 ) 2- , —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 3 Si (CH 3 ) 2 (CH 2 ) 2 —, —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 3 Si (CH 3 ) 2 (CH 2
- R a independently represents —Z—SiR 71 p R 72 q R 73 r at each occurrence.
- Z represents an oxygen atom or a divalent organic group independently at each occurrence.
- Z is preferably a divalent organic group, and forms a siloxane bond with the Si atom (Si atom to which R a is bonded) at the end of the molecular main chain in formula (C1) or formula (C2). Does not include things.
- Z is preferably a C 1-6 alkylene group, — (CH 2 ) g —O— (CH 2 ) h — (wherein g is an integer of 1 to 6, and h is 1 to 6 Or -phenylene- (CH 2 ) i- (wherein i is an integer of 0 to 6), more preferably a C 1-3 alkylene group.
- These groups may be substituted with, for example, one or more substituents selected from a fluorine atom, a C 1-6 alkyl group, a C 2-6 alkenyl group, and a C 2-6 alkynyl group. .
- R 71 represents R a ′ independently at each occurrence.
- R a ′ has the same meaning as R a .
- Si is connected to the linear through the Z group is a five at the maximum. That is, in the above R a , when at least one R 71 is present, there are two or more Si atoms linearly linked via a Z group in R a , The maximum number of Si atoms connected in a chain is five.
- the "number of Si atoms linearly linked via a Z group in R a" is equal to -Z-Si- repeating number of which is connected to a linear during R a.
- * means a site bonded to Si of the main chain, and ... means that a predetermined group other than ZSi is bonded, that is, all three bonds of Si atoms are ... In this case, it means the end point of ZSi repetition.
- the number on the right shoulder of Si means the number of appearances of Si connected in a straight line through the Z group counted from *. That is, the chain in which ZSi repeat is completed in Si 2 has “the number of Si atoms linearly linked through the Z group in Ra ”, and similarly, Si 3 , Si 4 And the chain in which the ZSi repetition is completed in Si 5 has “number of Si atoms linearly linked through the Z group in R a ” being 3, 4 and 5, respectively.
- R a but ZSi chain there are multiple, they need not be all the same length, each may be of any length.
- the number of Si atoms connected linearly via the Z group in R a is one (left formula) or two (right formula) in all chains. Formula).
- the number of Si atoms connected in a straight chain via a Z group in R a is 1 or 2, preferably 1.
- R 72 independently represents a hydroxyl group or a hydrolyzable group at each occurrence.
- hydrolyzable group as used herein means a group capable of undergoing a hydrolysis reaction.
- hydrolyzable groups include —OR, —OCOR, —O—N ⁇ C (R) 2 , —N (R) 2 , —NHR, halogen (wherein R is substituted or unsubstituted Represents an alkyl group having 1 to 4 carbon atoms), preferably —OR (alkoxy group).
- R 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.
- R 72 is —OR (wherein R represents a substituted or unsubstituted C 1-3 alkyl group, more preferably a methyl group).
- R 73 independently represents a hydrogen atom or a lower alkyl group at each occurrence.
- the lower alkyl group is preferably an alkyl group having 1 to 20 carbon atoms, more preferably an alkyl group having 1 to 6 carbon atoms, and still more preferably a methyl group.
- '(if R a' is absent, R a) terminal of R a in R a in the above q is preferably 2 or more, for example 2 or 3, more preferably 3.
- R b independently represents a hydroxyl group or a hydrolyzable group at each occurrence.
- R b is preferably a hydroxyl group, —OR, —OCOR, —O—N ⁇ C (R) 2 , —N (R) 2 , —NHR, halogen (in these formulas, R is substituted or unsubstituted)
- An alkyl group having 1 to 4 carbon atoms preferably —OR.
- R includes an unsubstituted alkyl group such as a methyl group, an ethyl group, a propyl group, an isopropyl group, an n-butyl group, and an isobutyl group; and a substituted alkyl group such as a 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. More preferably, R c is —OR (wherein R represents a substituted or unsubstituted C 1-3 alkyl group, more preferably a methyl group).
- R c independently represents a hydrogen atom or a lower alkyl group at each occurrence.
- the lower alkyl group is preferably an alkyl group having 1 to 20 carbon atoms, more preferably an alkyl group having 1 to 6 carbon atoms, and still more preferably a methyl group.
- the compounds represented by the above formulas (C1) and (C2) have, for example, a perfluoropolyether derivative corresponding to the Rf-PFPE- moiety as a raw material, a hydroxyl group introduced at the terminal, and then an unsaturated bond at the terminal A group is introduced, the group having an unsaturated bond is reacted with a silyl derivative having a halogen atom, a hydroxyl group is further introduced into the terminal of the silyl group, and the introduced group having an unsaturated bond is reacted with the silyl derivative.
- a perfluoropolyether derivative corresponding to the Rf-PFPE- moiety as a raw material
- a hydroxyl group introduced at the terminal and then an unsaturated bond at the terminal A group is introduced
- the group having an unsaturated bond is reacted with a silyl derivative having a halogen atom
- a hydroxyl group is further introduced into the terminal of the silyl group
- Rf and PFPE have the same meaning as described for the above formulas (A1) and (A2).
- X 9 each independently represents a single bond or a divalent to 10-valent organic group.
- the X 9 is a perfluoropolyether part (ie, Rf-PFPE part or -PFPE-part) mainly providing water repellency and surface slipperiness in the compounds represented by the formulas (D1) and (D2). It is understood that this is a linker that connects a moiety that provides a binding ability to the substrate (that is, a group that is bracketed with ⁇ ). Therefore, X 9 may be any organic group as long as the compounds represented by formulas (D1) and (D2) can exist stably.
- ⁇ is an integer of 1 to 9
- ⁇ ′ is an integer of 1 to 9.
- [delta] and [delta] ' may vary depending on the valence of X 9.
- the sum of [delta] and [delta] ' is the same as the valence of X 9.
- X 9 is a 10-valent organic group
- the sum of ⁇ and ⁇ ′ is 10, for example, ⁇ is 9 and ⁇ ′ is 1, ⁇ is 5 and ⁇ ′ is 5, or ⁇ is 1 and ⁇ .
- ⁇ can be nine.
- ⁇ and ⁇ ′ are 1.
- [delta] is a value obtained by subtracting 1 from the valence of X 9.
- X 9 is preferably a divalent organic group having 2 to 7 valences, more preferably 2 to 4 valences, and even more preferably a divalent organic group.
- X 9 is a divalent to tetravalent organic group, ⁇ is 1 to 3, and ⁇ ′ is 1.
- X 9 is a divalent organic group, ⁇ is 1 and ⁇ ′ is 1.
- the formulas (D1) and (D2) are represented by the following formulas (D1 ′) and (D2 ′).
- Examples of X 9 are not particularly limited, and examples thereof include those similar to those described with respect to X 1 .
- preferable specific X 9 is —CH 2 O (CH 2 ) 2 —, —CH 2 O (CH 2 ) 3 —, —CH 2 O (CH 2 ) 6 —, —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 OSi (CH 3 ) 2 (CH 2 ) 2 —, -CH 2 O (CH 2) 3 Si (CH 3) 2 OSi (CH 3) 2 OSi (CH 3) 2 (CH 2) 2 -, -CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 2 Si (CH 3 ) 2 (CH 2 ) 2- , —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 3 Si (CH 3 ) 2 (CH 2 ) 2 —, —CH 2 O (CH 2 ) 3 Si (CH 3 ) 2 O (Si (CH 3 ) 2 O) 3 Si (CH 3 ) 2 (CH 2
- R d independently represents —Z′—CR 81 p ′ R 82 q ′ R 83 r ′ at each occurrence.
- Z ′ independently represents an oxygen atom or a divalent organic group at each occurrence.
- Z ′ is preferably a C 1-6 alkylene group, — (CH 2 ) g —O— (CH 2 ) h — (wherein g is an integer of 0 to 6, for example, an integer of 1 to 6 And h is an integer from 0 to 6, for example an integer from 1 to 6, or -phenylene- (CH 2 ) i- (where i is an integer from 0 to 6), and more A C 1-3 alkylene group is preferred. These groups may be substituted with, for example, one or more substituents selected from a fluorine atom, a C 1-6 alkyl group, a C 2-6 alkenyl group, and a C 2-6 alkynyl group. .
- R 81 independently represents R d ′ at each occurrence.
- R d ′ has the same meaning as R d .
- R d the maximum number of C linked in a straight chain via the Z ′ group is 5. That is, in the above R d , when at least one R 81 is present, there are two or more Si atoms linearly linked via a Z ′ group in R d , The maximum number of C atoms connected in a straight line is five.
- the "number of C atoms linearly linked via a Z 'group in R d" is equal to the number of repetitions of the selected from the group consisting of -Z'-C-linked to linear during R d Become.
- the number of C atoms linearly linked through the Z ′ group in R d is 1 (left formula) or 2 ( (Right type).
- the number of C atoms connected in a straight chain via a Z ′ group in R d is 1 or 2, preferably 1.
- R 82 represents —Y—SiR 85 j R 86 3-j .
- Y represents a divalent organic group independently at each occurrence.
- Y is a C 1-6 alkylene group, — (CH 2 ) g ′ —O— (CH 2 ) h ′ — (wherein g ′ is an integer from 0 to 6, for example from 1 to 6 And h ′ is an integer of 0 to 6, for example, an integer of 1 to 6, or —phenylene- (CH 2 ) i ′ — (where i ′ is an integer of 0 to 6) ).
- These groups may be substituted with, for example, one or more substituents selected from a fluorine atom, a C 1-6 alkyl group, a C 2-6 alkenyl group, and a C 2-6 alkynyl group. .
- Y can be a C 1-6 alkylene group or -phenylene- (CH 2 ) i ' -.
- Y is a group as described above, light resistance, particularly ultraviolet light resistance can be further increased.
- R 85 represents a hydroxyl group or a hydrolyzable group independently at each occurrence.
- hydrolyzable group examples include those similar to the formulas (C1) and (C2).
- R 85 is —OR (wherein R represents a substituted or unsubstituted C 1-3 alkyl group, more preferably an ethyl group or a methyl group, particularly a methyl group).
- R 86 represents a hydrogen atom or a lower alkyl group independently at each occurrence.
- the lower alkyl group is preferably an alkyl group having 1 to 20 carbon atoms, more preferably an alkyl group having 1 to 6 carbon atoms, and still more preferably a methyl group.
- j independently represents an integer of 1 to 3, preferably 2 or 3, more preferably 3, for each (-Y-SiR 85 j R 86 3-j ) unit.
- R 83 represents a hydrogen atom or a lower alkyl group independently at each occurrence.
- the lower alkyl group is preferably an alkyl group having 1 to 20 carbon atoms, more preferably an alkyl group having 1 to 6 carbon atoms, and still more preferably a methyl group.
- p ′ is independently an integer from 0 to 3 at each occurrence; q ′ is independently from each occurrence an integer from 0 to 3; r ′ is at each occurrence Each is independently an integer from 0 to 3. However, the sum of p ′, q ′ and r ′ is 3.
- '(if R d' is absent, R d) end of R d in R d in the above q ' is preferably 2 or more, for example 2 or 3, more preferably 3 .
- R e independently represents —Y—SiR 85 j R 86 3-j at each occurrence.
- Y, R 85 , R 86 and j are as defined in R 82 above.
- R f independently represents a hydrogen atom or a lower alkyl group at each occurrence.
- the lower alkyl group is preferably an alkyl group having 1 to 20 carbon atoms, more preferably an alkyl group having 1 to 6 carbon atoms, and still more preferably a methyl group.
- At least one k ' is 2 or 3, preferably 3.
- k ' is 2 or 3, preferably 3.
- l ' is 2 or 3, preferably 3.
- At least one q ′ is 2 or 3, or at least one l ′ is 2 or 3. That is, there are at least two —Y—SiR 85 j R 86 3-j groups in the formula.
- the perfluoro (poly) ether group-containing silane compound represented by the formula (D1) or the formula (D2) can be produced by combining known methods.
- the compound represented by the formula (D1 ′) in which X is divalent is not limited, but can be produced as follows.
- a group containing a double bond preferably a polyhydric alcohol represented by HO—X—C (YOH) 3 (wherein X and Y are each independently a divalent organic group)) Is allyl), and halogen (preferably bromo), and Hal—X—C (Y—O—R—CH ⁇ CH 2 ) 3 (where Hal is halogen, eg Br, R is A double bond-containing halide represented by a valent organic group such as an alkylene group.
- R PFPE —OH a perfluoropolyether group-containing alcohol represented by R PFPE —OH (wherein R PFPE is a perfluoropolyether group-containing group), and R PFPE ⁇ O—X—C (Y—O—R—CH ⁇ CH 2 ) 3 is obtained.
- the terminal —CH ⁇ CH 2 is then reacted with HSiCl 3 and alcohol or HSiR 85 3 to give R PFPE —O—X—C (Y—O—R—CH 2 —CH 2 —SiR 85 3 ) 3 Can be obtained.
- the number average molecular weight of the perfluoropolyether group-containing silane compound contained in the surface treatment agent used in the present invention is preferably 5,000 or more, more preferably 6,000 or more, preferably 100,000 or less. Preferably it is 30,000 or less, More preferably, it is 10,000 or less.
- the number average molecular weight of the perfluoropolyether part (Rf-PFPE-part or -PFPE-part) in the perfluoropolyether group-containing silane compound contained in the surface treating agent used in the present invention is not particularly limited. However, it can be 4,000 to 30,000, more preferably 5,000 to 10,000.
- the surface treatment agent used in the present invention may be diluted with a solvent.
- a solvent is not particularly limited.
- the surface treatment agent used in the present invention may contain other components in addition to the perfluoropolyether group-containing silane compound.
- Such other components are not particularly limited.
- fluorinated oils preferably perfluoropolyether compounds (hereinafter referred to as “fluorinated oils”) that can be understood as fluorine-containing oils.
- silicone oil preferably silicone oil
- sicone oil a catalyst and the like that can be understood as silicone oil.
- Rf 1 represents a C 1-16 alkyl group (preferably a C 1-16 perfluoroalkyl group) optionally substituted by one or more fluorine atoms
- Rf 2 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
- Rf 1 and Rf 2 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 perfluoropolyether constituting the main skeleton of the polymer, each independently an integer of 0 to 300,
- the sum of ', b', c 'and d' is 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 ) —.
- the perfluoropolyether compound represented by the above general formula (3) may be a compound represented by any one of the following general formulas (3a) and (3b) (one kind or a mixture of two or more kinds).
- Rf 1 and Rf 2 are as described above; in formula (3a), b ′′ is an integer of 1 to 100; in formula (3b), a ′′ and b ′′ are Each independently represents an integer of 0 or more and 30 or less, for example, 1 or more and 30 or less, and c ′′ and d ′′ are each independently an integer of 1 or more and 300 or less.
- 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 based on a total of 100 parts by mass of the perfluoropolyether group-containing silane compound (in the case of two or more, respectively, the same applies to the following). For example, 0 to 500 parts by mass, preferably 0 to 400 parts by mass, more preferably 5 to 300 parts by mass.
- the compound represented by the general formula (3a) and the compound represented by the general formula (3b) may be used alone or in combination. It is preferable to use the compound represented by the general formula (3b) rather than the compound represented by the general formula (3a) because higher surface slip properties can be obtained.
- the mass ratio of the compound represented by the general formula (3a) and the compound represented by the general formula (3b) is preferably 1: 1 to 1:30, and preferably 1: 1 to 1 : 10 is more preferable. According to such a mass ratio, a surface treatment layer having an excellent balance between surface slipperiness and friction durability can be obtained.
- the fluorine-containing oil contains one or more compounds represented by the general formula (3b).
- the mass ratio of the sum of the perfluoropolyether group-containing silane compounds in the surface treatment agent to the compound represented by the formula (3b) is preferably 10: 1 to 1:10, and preferably 4: 1 to 1: 4 is more preferable.
- the average molecular weight of the compound represented by the formula (3a) is preferably 2,000 to 8,000.
- the average molecular weight of the compound represented by the formula (3b) is preferably 8,000 to 30,000.
- the average molecular weight of the compound represented by formula (3b) is preferably 3,000 to 8,000.
- the average molecular weight of the fluorine-containing oil may be larger than the average molecular weight of the perfluoropolyether group-containing silane compound.
- the fluorine-containing oil may be a compound represented by the general formula Rf 3 -F (wherein Rf 3 is a C 5-16 perfluoroalkyl group).
- a chlorotrifluoroethylene oligomer may be sufficient.
- the compound represented by Rf 3 -F and the chlorotrifluoroethylene oligomer are a compound represented by a fluorine-containing compound having a carbon-carbon unsaturated bond at the molecular end, the terminal of which is a C 1-16 perfluoroalkyl group. This is preferable in that high affinity can be obtained.
- 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, for example, 0 with respect to 100 parts by mass in total of the perfluoropolyether group-containing silane compound (in the case of 2 or more types, these are also the same). It can be contained in an amount of up to 300 parts by weight, preferably 0 to 200 parts by weight.
- 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 accelerates the hydrolysis and dehydration condensation of the perfluoropolyether group-containing silane compound and promotes the formation of the surface treatment layer.
- a film of a surface treatment agent containing a fluorine-containing silane compound is formed on the surface of the intermediate layer, and this film is post-treated as necessary.
- the method of forming is mentioned.
- the film formation of the surface treatment agent can be carried out by applying the surface treatment agent to the surface of the intermediate layer so as to cover the surface.
- the coating method is not particularly limited. For example, wet coating methods and dry coating methods can be used.
- wet coating methods include dip coating, spin coating, flow coating, spray coating, roll coating, gravure coating and similar methods.
- PVD is a method in which a solid material is heated in vacuum (vacuum deposition) or irradiated with high-speed electrons or ions to give physical energy to atoms on the solid surface to vaporize it. This is a method of forming a thin film by recombining with the above method.
- a vapor deposition method usually vacuum vapor deposition method
- sputtering etc.
- 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.
- the CVD method include plasma-CVD, optical CVD, thermal CVD, and similar methods.
- the PVD method is preferable, and the evaporation method such as resistance heating evaporation or electron beam evaporation is preferable, and electron beam evaporation is more preferable.
- the PVD method a surface treatment layer having higher friction durability can be obtained.
- the surface treatment agent used in the present invention can be diluted with a solvent and then applied to the surface of the intermediate layer.
- the following solvents are preferably used: C 5-12 perfluoroaliphatic hydrocarbons (eg, perfluorohexane, perfluoromethyl) Cyclohexane and perfluoro-1,3-dimethylcyclohexane); polyfluoroaromatic hydrocarbons (eg bis (trifluoromethyl) benzene); polyfluoroaliphatic hydrocarbons (eg C 6 F 13 CH 2 CH 3 (eg Asahi Culin (registered trademark AC-6000) manufactured by Asahi Glass Co., Ltd., 1,1,2,2,3,4,4-heptafluorocyclopentane (for example, ZEOLOR (registered trademark) H manufactured by Nippon Zeon Co., Ltd.) Hydrofluoro
- C 5-12 perfluoroaliphatic hydrocarbons eg, perfluorohexane, per
- alkyl perfluoroalkyl ethers such as perfluoroalkyl groups and the alkyl group may be straight or branched
- CF 3 CH 2 OCF 2 CHF 2 e.g., Asahi Glass Asahi Co., Ltd. Klin (registered trademark) AE-3000)
- 1,2-dichloro-1,3,3,3-tetrafluoro-1-propene for example, Bertrell (registered trademark) Scion manufactured by Mitsui DuPont Fluorochemical Co., Ltd.
- These solvents can be used alone or in combination as a mixture of two or more thereof, for example, for adjusting the solubility of the perfluoropolyether group-containing silane compound. Can also be mixed.
- the surface treatment agent used in 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 film formation is preferably carried out so that the surface treatment agent is present in the film together with a catalyst for hydrolysis and dehydration condensation.
- a catalyst for hydrolysis and dehydration condensation For convenience, in the case of the wet coating method, after diluting the surface treatment agent with a solvent, the catalyst may be added to the diluted solution of the surface treatment agent immediately before application to the surface of the intermediate layer.
- the catalyst-treated surface treatment agent is directly vapor-deposited (usually vacuum deposition), or a pellet form in which a porous metal such as iron or copper is impregnated with the catalyst-treated surface treatment agent. Vapor deposition (usually vacuum deposition) may be performed using a substance.
- any suitable acid or base can be used for the catalyst.
- the acid catalyst for example, acetic acid, formic acid, trifluoroacetic acid and the like can be used.
- a base catalyst ammonia, organic amines, etc. can be used, for example.
- 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, and it may be implemented as follows in detail.
- the method of supplying moisture is not particularly limited, and for example, using a method such as dew condensation due to a temperature difference between the precursor film (and the substrate having the intermediate layer) and the ambient atmosphere, or spraying of steam (steam). Good.
- the supply of moisture is, for example, 0 to 250 ° C., preferably 60 ° C. or higher, more preferably 100 ° C. or higher, preferably 180 ° C. or lower, more preferably 150 ° C. or lower.
- the pressure at this time is not specifically limited, it can be simply a normal pressure.
- the precursor film is heated on the surface of the intermediate layer in a dry atmosphere exceeding 60 ° C.
- the drying heating method is not particularly limited, and the precursor film together with the intermediate layer and the substrate is at a temperature exceeding 60 ° C., preferably exceeding 100 ° C., for example, at a temperature of 250 ° C. or less, preferably 180 ° C. or less.
- an atmosphere of unsaturated water vapor pressure is not specifically limited, it can be simply a normal pressure.
- the groups bonded to Si after hydrolysis rapidly undergo dehydration condensation between the PFPE-containing silane compounds of the present invention. Further, between such a compound and the intermediate layer, it reacts quickly between the group bonded to Si after hydrolysis of the compound and the reactive group present on the surface of the intermediate layer, and exists on the surface of the intermediate layer.
- the reactive group is a hydroxyl group
- dehydration condensation is performed. As a result, a bond is formed between the perfluoropolyether group-containing silane compound and the intermediate layer.
- the above water supply and drying heating may be continuously performed by using superheated steam.
- Superheated steam is a gas obtained by heating saturated steam to a temperature higher than the boiling point, and exceeds 100 ° C. under normal pressure, generally 500 ° C. or lower, for example, 300 ° C. or lower, and has a boiling point. It is a gas that has become an unsaturated water vapor pressure by heating to a temperature exceeding.
- superheated steam at 250 ° C. or lower, preferably 180 ° C. or lower is used for moisture supply and drying heating.
- the precursor film on the surface of the substrate comes into contact with the superheated steam, thereby the temperature of the superheated steam ( It will be heated to a temperature exceeding 100 ° C. under normal pressure. Therefore, if superheated steam is used, moisture supply and drying heating can be carried out continuously only by exposing the substrate on which the precursor film is formed to superheated steam.
- Post-processing can be performed as described above. It should be noted that such post-treatment can be performed to further improve friction durability, but is not essential for producing the articles of the present invention. For example, after applying the surface treatment agent to the surface of the intermediate layer, it may be left as it is.
- the surface treatment layer derived from the film of the surface treatment agent of the present invention is formed on the surface of the intermediate layer, and the article of the present invention is manufactured.
- the surface treatment layer obtained by this has high friction durability.
- this surface treatment layer has water repellency, oil repellency, antifouling properties (for example, preventing adhesion of dirt such as fingerprints), depending on the composition of the surface treatment agent used.
- As a functional thin film it can be waterproof (to prevent water from entering electronic parts, etc.), surface slippery (or lubricity, for example, wiping off dirt such as fingerprints, and excellent touch to fingers). It can be suitably used.
- a surface treatment layer having high friction durability can be formed by forming an intermediate layer on a zirconium oxide base material. Therefore, the present invention A method of forming a surface treatment layer formed from a surface treatment agent containing a fluorine-containing silane compound on a zirconium oxide substrate, Forming an intermediate layer on the zirconium oxide substrate using one or more metal oxides; Next, a method including forming a surface treatment layer on the intermediate layer using a surface treatment agent containing a fluorine-containing silane compound is provided.
- the intermediate layer is formed by forming an aluminum oxide layer on the zirconium oxide substrate and then forming a silicon oxide layer on the aluminum oxide layer.
- the present invention also provides: A zirconium oxide substrate; An intermediate layer located on the substrate; A surface treatment layer formed from a surface treatment agent containing a fluorine-containing silane compound located on the intermediate layer, Forming an intermediate layer on the zirconium oxide substrate using one or more metal oxides; Next, a method including forming a surface treatment layer on the intermediate layer using a surface treatment agent containing a fluorine-containing silane compound is provided.
- the intermediate layer is formed by forming an aluminum oxide layer on the zirconium oxide substrate and then forming a silicon oxide layer on the aluminum oxide layer.
- Preparation Example A surface treatment agent was prepared by dissolving a fluorine-containing compound represented by the following formula (average composition) in hydrofluoroether (manufactured by 3M, Novec HFE7200) so as to have a concentration of 20 wt%.
- CF 3 O (CF 2 CF 2 O) 20 (CF 2 O) 16 CF 2 CH 2 OCH 2 CH 2 CH 2 Si [CH 2 CH 2 CH 2 Si (OCH 3 ) 3 ] 3 (Note that the average composition, but contained repeating units 0.18 units of (CF 2 CF 2 CF 2 CF 2 O repeating units 0.17 units and (CF 2 CF 2 CF 2 O) of) , Omitted because of the trace amount.)
- Examples 1 to 11 On the zirconium oxide base material (7 cm ⁇ 5 cm), the metal oxides shown in the following table were vapor-deposited to a predetermined thickness by electron beam vapor deposition to form an intermediate layer. Next, the surface treatment agent prepared above was vapor-deposited in a predetermined amount on the intermediate layer to form a surface treatment agent layer. Thereafter, the base material on which the surface treatment agent layer was formed was allowed to stand for 24 hours in an atmosphere at a temperature of 20 ° C. and a humidity of 65%, and the surface treatment agent layer was cured to obtain a surface treatment layer.
- Comparative Example 1 A surface treatment layer was formed by the same treatment as in the above example except that the surface treatment agent was directly deposited on the zirconium oxide substrate without forming an intermediate layer.
- steel wool friction durability evaluation was carried out as friction durability evaluation.
- the base material on which the surface treatment layer is formed is horizontally arranged, and steel wool (count # 0000, size 10 mm ⁇ 10 mm) is brought into contact with the exposed upper surface of the surface treatment layer, and a load of 1,000 gf is applied thereon.
- steel wool was reciprocated in a state where a load was applied (distance: 120 mm (reciprocation), speed: 60 rpm).
- the static contact angle (degree) of water was measured at every fixed number of reciprocations.
- the evaluation was stopped when the measured value of the contact angle was less than 100 degrees.
- the following table shows the number of reciprocations when the measured value is less than 100 degrees.
- the present invention can be suitably used for forming a surface treatment layer having high friction durability on the surface of a zirconium oxide base material.
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Abstract
Description
基材上に位置する中間層と、
中間層上に位置する含フッ素シラン化合物を含む表面処理剤から形成された表面処理層と
を有して成る物品であって、
上記中間層が、一種以上の金属酸化物を含む物品が提供される。
酸化ジルコニウム基材上に、一種以上の金属酸化物を用いて、中間層を形成すること、
次いで、中間層上に、含フッ素シラン化合物を含む表面処理剤を用いて、表面処理層を形成することを含む方法が提供される。
基材上に位置する中間層と、
中間層上に位置する含フッ素シラン化合物を含む表面処理剤から形成された表面処理層と
を有して成る物品の製造方法であって、
酸化ジルコニウム基材上に、一種以上の金属酸化物を用いて、中間層を形成すること、
次いで、中間層上に、含フッ素シラン化合物を含む表面処理剤を用いて、表面処理層を形成することを含む方法が提供される。
(i) SiO2
(ii) Al2O3
(iii)Al2O3/SiO2
(iv) ZrO2/Al2O3/SiO2
(v) Al2O3/SiO2/Al2O3/SiO2
(i) SiO2
(ii) Al2O3
(iii)Al2O3/SiO2
(iv) ZrO2/Al2O3/SiO2
(v) Al2O3/SiO2/Al2O3/SiO2
から選択され、
中間層の厚み(複数の層が存在する場合は、それらの総厚)は、5nm以上80nm以下であり、
複数の層が存在する場合、各層の厚みは、5nm以上50nm以下であり得る。
それらの総厚は、20nm以上60nm以下であり、
各層の厚みは、10nm以上20nm以下、好ましくは10nm以上15nm以下であり得る。
PFPEは、各出現においてそれぞれ独立して、式:
-(OC4F8)a-(OC3F6)b-(OC2F4)c-(OCF2)d-
(式中、a、b、cおよびdは、それぞれ独立して、0~200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。)
で表される基であり;
Rfは、各出現においてそれぞれ独立して、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;
R1は、各出現においてそれぞれ独立して、水素原子または炭素数1~22のアルキル基を表し;
R2は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
R11は、各出現においてそれぞれ独立して、水素原子またはハロゲン原子を表し;
R12は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
nは、(-SiR1 nR2 3-n)単位毎に独立して、0~3の整数であり;
ただし、式(A1)、(A2)、(B1)および(B2)において、少なくとも1つのR2が存在し;
X1は、それぞれ独立して、単結合または2~10価の有機基を表し;
X2は、各出現においてそれぞれ独立して、単結合または2価の有機基を表し;
tは、各出現においてそれぞれ独立して、1~10の整数であり;
αは、それぞれ独立して、1~9の整数であり;
α’は、1~9の整数であり;
X5は、それぞれ独立して、単結合または2~10価の有機基を表し;
βは、それぞれ独立して、1~9の整数であり;
β’は、1~9の整数であり;
X7は、それぞれ独立して、単結合または2~10価の有機基を表し;
γは、それぞれ独立して、1~9の整数であり;
γ’は、1~9の整数であり;
Raは、各出現においてそれぞれ独立して、-Z-SiR71 pR72 qR73 rを表し;
Zは、各出現においてそれぞれ独立して、酸素原子または2価の有機基を表し;
R71は、各出現においてそれぞれ独立して、Ra’を表し;
Ra’は、Raと同意義であり;
Ra中、Z基を介して直鎖状に連結されるSiは最大で5個であり;
R72は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
R73は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
pは、各出現においてそれぞれ独立して、0~3の整数であり;
qは、各出現においてそれぞれ独立して、0~3の整数であり;
rは、各出現においてそれぞれ独立して、0~3の整数であり;
ただし、-Z-SiR71 pR72 qR73 r毎において、p、qおよびrの和は3であり、式(C1)および(C2)において、少なくとも1つのR72が存在し;
Rbは、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
Rcは、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
kは、各出現においてそれぞれ独立して、1~3の整数であり;
lは、各出現においてそれぞれ独立して、0~2の整数であり;
mは、各出現においてそれぞれ独立して、0~2の整数であり;
ただし、γを付して括弧でくくられた単位において、k、lおよびmの和は3であり;
X9は、それぞれ独立して、単結合または2~10価の有機基を表し;
δは、それぞれ独立して、1~9の整数であり;
δ’は、1~9の整数である。
Rdは、各出現においてそれぞれ独立して、-Z’-CR81 p’R82 q’R83 r’を表し;
Z’は、各出現においてそれぞれ独立して、酸素原子または2価の有機基を表し;
R81は、各出現においてそれぞれ独立して、Rd’を表し;
Rd’は、Rdと同意義であり;
Rd中、Z’基を介して直鎖状に連結されるCは最大で5個であり;
R82は、各出現においてそれぞれ独立して、-Y-SiR85 jR86 3-jを表し;
Yは、各出現においてそれぞれ独立して、2価の有機基を表し;
R85は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
R86は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
jは、(-Y-SiR85 jR86 3-j)単位毎に独立して、1~3の整数を表し;
R83は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
p’は、各出現においてそれぞれ独立して、0~3の整数であり;
q’は、各出現においてそれぞれ独立して、0~3の整数であり;
r’は、各出現においてそれぞれ独立して、0~3の整数であり;
Reは、各出現においてそれぞれ独立して、-Y-SiR85 jR86 3-jを表し;
Rfは、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
k’は、各出現においてそれぞれ独立して、0~3の整数であり;
l’は、各出現においてそれぞれ独立して、0~3の整数であり;
m’は、各出現においてそれぞれ独立して、0~3の整数であり;
ただし、式中、少なくとも1つのq’は2または3であるか、あるいは、少なくとも1つのl’は2または3である。]
で表される1種またはそれ以上の化合物である。
-(R31)p1-(Xa)q1-
[式中:
R31は、単結合、-(CH2)s’-またはo-、m-もしくはp-フェニレン基を表し、好ましくは-(CH2)s’-であり、
s’は、1~20の整数、好ましくは1~6の整数、より好ましくは1~3の整数、さらにより好ましくは1または2であり、
Xaは、-(Xb)l’-を表し、
Xbは、各出現においてそれぞれ独立して、-O-、-S-、o-、m-もしくはp-フェニレン基、-C(O)O-、-Si(R33)2-、-(Si(R33)2O)m”-Si(R33)2-、-CONR34-、-O-CONR34-、-NR34-および-(CH2)n’-からなる群から選択される基を表し、
R33は、各出現においてそれぞれ独立して、フェニル基、C1-6アルキル基またはC1-6アルコキシ基を表し、好ましくはフェニル基またはC1-6アルキル基であり、より好ましくはメチル基であり、
R34は、各出現においてそれぞれ独立して、水素原子、フェニル基またはC1-6アルキル基(好ましくはメチル基)を表し、
m”は、各出現において、それぞれ独立して、1~100の整数、好ましくは1~20の整数であり、
n’は、各出現において、それぞれ独立して、1~20の整数、好ましくは1~6の整数、より好ましくは1~3の整数であり、
l’は、1~10の整数、好ましくは1~5の整数、より好ましくは1~3の整数であり、
p1は、0または1であり、
q1は、0または1であり、
ここに、p1およびq1の少なくとも一方は1であり、p1またはq1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任意である]
で表される2価の基が挙げられる。ここに、R31およびXa(典型的にはR31およびXaの水素原子)は、フッ素原子、C1-3アルキル基およびC1-3フルオロアルキル基から選択される1個またはそれ以上の置換基により置換されていてもよい。
C1-20アルキレン基、
-R31-Xc-R32-、または
-Xd-R32-
[式中、R31およびR32は、上記と同意義である。]
であり得る。
C1-20アルキレン基、
-(CH2)s’-Xc-、
-(CH2)s’-Xc-(CH2)t’-
-Xd-、または
-Xd-(CH2)t’-
[式中、s’およびt’は、上記と同意義である。]
である。
-O-、
-S-、
-C(O)O-、
-CONR34-、
-O-CONR34-、
-Si(R33)2-、
-(Si(R33)2O)m”-Si(R33)2-、
-O-(CH2)u’-(Si(R33)2O)m”-Si(R33)2-、
-O-(CH2)u’-Si(R33)2-O-Si(R33)2-CH2CH2-Si(R33)2-O-Si(R33)2-、
-O-(CH2)u’-Si(OCH3)2OSi(OCH3)2-、
-CONR34-(CH2)u’-(Si(R33)2O)m”-Si(R33)2-、
-CONR34-(CH2)u’-N(R34)-、または
-CONR34-(o-、m-またはp-フェニレン)-Si(R33)2-
[式中、R33、R34およびm”は、上記と同意義であり、
u’は1~20の整数、好ましくは2~6の整数、より好ましくは2~3の整数である。]を表す。Xcは、好ましくは-O-である。
-S-、
-C(O)O-、
-CONR34-、
-CONR34-(CH2)u’-(Si(R33)2O)m”-Si(R33)2-、
-CONR34-(CH2)u’-N(R34)-、または
-CONR34-(o-、m-またはp-フェニレン)-Si(R33)2-
[式中、各記号は、上記と同意義である。]
を表す。
C1-20アルキレン基、
-(CH2)s’-Xc-(CH2)t’-、または
-Xd-(CH2)t’-
[式中、各記号は、上記と同意義である。]
であり得る。
C1-20アルキレン基、
-(CH2)s’-O-(CH2)t’-、
-(CH2)s’-(Si(R33)2O)m”-Si(R33)2-(CH2)t’-、
-(CH2)s’-O-(CH2)u’-(Si(R33)2O)m”-Si(R33)2-(CH2)t’-、または
-(CH2)s’-O-(CH2)t’-Si(R33)2 -(CH2)u’-Si(R33)2-(CvH2v)-
[式中、R33、m”、s’、t’およびu’は、上記と同意義であり、vは1~20の整数、好ましくは2~6の整数、より好ましくは2~3の整数である。]
である。
Dは、
-CH2O(CH2)2-、
-CH2O(CH2)3-、
-CF2O(CH2)3-、
-(CH2)2-、
-(CH2)3-、
-(CH2)4-、
-CONH-(CH2)3-、
-CON(CH3)-(CH2)3-、
-CON(Ph)-(CH2)3-(式中、Phはフェニルを意味する)、および
から選択される基であり、
Eは、-(CH2)n-(nは2~6の整数)であり、
Dは、分子主鎖のPFPEに結合し、Eは、PFPEと反対の基に結合する。]
-CH2O(CH2)2-、
-CH2O(CH2)3-、
-CH2O(CH2)6-、
-CH2O(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)10Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)20Si(CH3)2(CH2)2-、
-CH2OCF2CHFOCF2-、
-CH2OCF2CHFOCF2CF2-、
-CH2OCF2CHFOCF2CF2CF2-、
-CH2OCH2CF2CF2OCF2-、
-CH2OCH2CF2CF2OCF2CF2-、
-CH2OCH2CF2CF2OCF2CF2CF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2CF2-、
-CH2OCH2CHFCF2OCF2-、
-CH2OCH2CHFCF2OCF2CF2-、
-CH2OCH2CHFCF2OCF2CF2CF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2CF2-
-CH2OCH2(CH2)7CH2Si(OCH3)2OSi(OCH3)2(CH2)2Si(OCH3)2OSi(OCH3)2(CH2)2-、
-CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)3-、
-CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)3-、
-CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)2-、
-CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)2-、
-(CH2)2-、
-(CH2)3-、
-(CH2)4-、
-(CH2)5-、
-(CH2)6-、
-CONH-(CH2)3-、
-CON(CH3)-(CH2)3-、
-CON(Ph)-(CH2)3-(式中、Phはフェニルを意味する)、
-CONH-(CH2)6-、
-CON(CH3)-(CH2)6-、
-CON(Ph)-(CH2)6-(式中、Phはフェニルを意味する)、
-CONH-(CH2)2NH(CH2)3-、
-CONH-(CH2)6NH(CH2)3-、
-CH2O-CONH-(CH2)3-、
-CH2O-CONH-(CH2)6-、
-S-(CH2)3-、
-(CH2)2S(CH2)3-、
-CONH-(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)10Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)20Si(CH3)2(CH2)2-
-C(O)O-(CH2)3-、
-C(O)O-(CH2)6-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)2-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)3-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-CH2-、
-OCH2-、
-O(CH2)3-、
-OCFHCF2-、
R41は、それぞれ独立して、水素原子、フェニル基、炭素数1~6のアルキル基、またはC1-6アルコキシ基好ましくはメチル基であり;
各X1基において、Tのうち任意のいくつかは、分子主鎖のPFPEに結合する以下の基:
-CH2O(CH2)2-、
-CH2O(CH2)3-、
-CF2O(CH2)3-、
-(CH2)2-、
-(CH2)3-、
-(CH2)4-、
-CONH-(CH2)3-、
-CON(CH3)-(CH2)3-、
-CON(Ph)-(CH2)3-(式中、Phはフェニルを意味する)、または
であり、別のTのいくつかは、分子主鎖のPFPEと反対の基(即ち、式(A1)および(A2)においては炭素原子、また、下記する式(B1)、(B2)、(C1)および(C2)においてはSi原子)に結合する-(CH2)n”-(n”は2~6の整数)であり、存在する場合、残りは、それぞれ独立して、メチル基、フェニル基、C1-6アルコキシ基またはラジカル捕捉基または紫外線吸収基である。
PFPEは、それぞれ独立して、式:
-(OC4F8)a-(OC3F6)b-(OC2F4)c-(OCF2)d-
(式中、a、b、cおよびdは、それぞれ独立して、0~200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。)
で表される基であり;
Rfは、各出現においてそれぞれ独立して、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;
R1は、各出現においてそれぞれ独立して、水素原子または炭素数1~22のアルキル基を表し;
R2は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
R11は、各出現においてそれぞれ独立して、水素原子またはハロゲン原子を表し;
R12は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
nは、0~2の整数であり、好ましくは0であり;
X1は、-O-CFR13-(CF2)e-であり;
R13は、フッ素原子または低級フルオロアルキル基であり;
eは、0または1であり;
X2は、-(CH2)u-であり;
uは、0~2の整数であり;
tは、1~10の整数である。]
で表される化合物である。
-CH2O(CH2)2-、
-CH2O(CH2)3-、
-CH2O(CH2)6-、
-CH2O(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)10Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)20Si(CH3)2(CH2)2-、
-CH2OCF2CHFOCF2-、
-CH2OCF2CHFOCF2CF2-、
-CH2OCF2CHFOCF2CF2CF2-、
-CH2OCH2CF2CF2OCF2-、
-CH2OCH2CF2CF2OCF2CF2-、
-CH2OCH2CF2CF2OCF2CF2CF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2CF2-、
-CH2OCH2CHFCF2OCF2-、
-CH2OCH2CHFCF2OCF2CF2-、
-CH2OCH2CHFCF2OCF2CF2CF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2CF2-
-CH2OCH2(CH2)7CH2Si(OCH3)2OSi(OCH3)2(CH2)2Si(OCH3)2OSi(OCH3)2(CH2)2-、
-CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)3-、
-CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)3-、
-CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)2-、
-CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)2-、
-(CH2)2-、
-(CH2)3-、
-(CH2)4-、
-(CH2)5-、
-(CH2)6-、
-CONH-(CH2)3-、
-CON(CH3)-(CH2)3-、
-CON(Ph)-(CH2)3-(式中、Phはフェニルを意味する)、
-CONH-(CH2)6-、
-CON(CH3)-(CH2)6-、
-CON(Ph)-(CH2)6-(式中、Phはフェニルを意味する)、
-CONH-(CH2)2NH(CH2)3-、
-CONH-(CH2)6NH(CH2)3-、
-CH2O-CONH-(CH2)3-、
-CH2O-CONH-(CH2)6-、
-S-(CH2)3-、
-(CH2)2S(CH2)3-、
-CONH-(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)10Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)20Si(CH3)2(CH2)2-
-C(O)O-(CH2)3-、
-C(O)O-(CH2)6-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)2-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)3-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-CH2-、
-OCH2-、
-O(CH2)3-、
-OCFHCF2-、
[式中:
PFPEは、それぞれ独立して、式:
-(OC4F8)a-(OC3F6)b-(OC2F4)c-(OCF2)d-
(式中、a、b、cおよびdは、それぞれ独立して、0~200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。)
で表される基であり;
Rfは、各出現においてそれぞれ独立して、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;
R1は、各出現においてそれぞれ独立して、水素原子または炭素数1~22のアルキル基を表し;
R2は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
nは、0~2の整数であり、好ましくは0であり;
X5は、-CH2O(CH2)2-、-CH2O(CH2)3-または-CH2O(CH2)6-である]
で表される化合物である。
-CH2O(CH2)2-、
-CH2O(CH2)3-、
-CH2O(CH2)6-、
-CH2O(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)10Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)20Si(CH3)2(CH2)2-、
-CH2OCF2CHFOCF2-、
-CH2OCF2CHFOCF2CF2-、
-CH2OCF2CHFOCF2CF2CF2-、
-CH2OCH2CF2CF2OCF2-、
-CH2OCH2CF2CF2OCF2CF2-、
-CH2OCH2CF2CF2OCF2CF2CF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2CF2-、
-CH2OCH2CHFCF2OCF2-、
-CH2OCH2CHFCF2OCF2CF2-、
-CH2OCH2CHFCF2OCF2CF2CF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2CF2-
-CH2OCH2(CH2)7CH2Si(OCH3)2OSi(OCH3)2(CH2)2Si(OCH3)2OSi(OCH3)2(CH2)2-、
-CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)3-、
-CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)3-、
-CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)2-、
-CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)2-、
-(CH2)2-、
-(CH2)3-、
-(CH2)4-、
-(CH2)5-、
-(CH2)6-、
-CONH-(CH2)3-、
-CON(CH3)-(CH2)3-、
-CON(Ph)-(CH2)3-(式中、Phはフェニルを意味する)、
-CONH-(CH2)6-、
-CON(CH3)-(CH2)6-、
-CON(Ph)-(CH2)6-(式中、Phはフェニルを意味する)、
-CONH-(CH2)2NH(CH2)3-、
-CONH-(CH2)6NH(CH2)3-、
-CH2O-CONH-(CH2)3-、
-CH2O-CONH-(CH2)6-、
-S-(CH2)3-、
-(CH2)2S(CH2)3-、
-CONH-(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)10Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)20Si(CH3)2(CH2)2-
-C(O)O-(CH2)3-、
-C(O)O-(CH2)6-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)2-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)3-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-CH2-、
-OCH2-、
-O(CH2)3-、
-OCFHCF2-、
-CH2O(CH2)2-、
-CH2O(CH2)3-、
-CH2O(CH2)6-、
-CH2O(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)10Si(CH3)2(CH2)2-、
-CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)20Si(CH3)2(CH2)2-、
-CH2OCF2CHFOCF2-、
-CH2OCF2CHFOCF2CF2-、
-CH2OCF2CHFOCF2CF2CF2-、
-CH2OCH2CF2CF2OCF2-、
-CH2OCH2CF2CF2OCF2CF2-、
-CH2OCH2CF2CF2OCF2CF2CF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2-、
-CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2CF2-、
-CH2OCH2CHFCF2OCF2-、
-CH2OCH2CHFCF2OCF2CF2-、
-CH2OCH2CHFCF2OCF2CF2CF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2-、
-CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2CF2-
-CH2OCH2(CH2)7CH2Si(OCH3)2OSi(OCH3)2(CH2)2Si(OCH3)2OSi(OCH3)2(CH2)2-、
-CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)3-、
-CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)3-、
-CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)2-、
-CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)2-、
-(CH2)2-、
-(CH2)3-、
-(CH2)4-、
-(CH2)5-、
-(CH2)6-、
-CONH-(CH2)3-、
-CON(CH3)-(CH2)3-、
-CON(Ph)-(CH2)3-(式中、Phはフェニルを意味する)、
-CONH-(CH2)6-、
-CON(CH3)-(CH2)6-、
-CON(Ph)-(CH2)6-(式中、Phはフェニルを意味する)、
-CONH-(CH2)2NH(CH2)3-、
-CONH-(CH2)6NH(CH2)3-、
-CH2O-CONH-(CH2)3-、
-CH2O-CONH-(CH2)6-、
-S-(CH2)3-、
-(CH2)2S(CH2)3-、
-CONH-(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)10Si(CH3)2(CH2)2-、
-CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)20Si(CH3)2(CH2)2-
-C(O)O-(CH2)3-、
-C(O)O-(CH2)6-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)2-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)3-、
-CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-CH2-、
-OCH2-、
-O(CH2)3-、
-OCFHCF2-、
Rf1-(OC4F8)a’-(OC3F6)b’-(OC2F4)c’-(OCF2)d’-Rf2 ・・・(3)
式中、Rf1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、Rf2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、Rf1およびRf2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。
Rf1-(OCF2CF2CF2)b’’-Rf2 ・・・(3a)
Rf1-(OCF2CF2CF2CF2)a’’-(OCF2CF2CF2)b’’-(OCF2CF2)c’’-(OCF2)d’’-Rf2 ・・・(3b)
これら式中、Rf1およびRf2は上記の通りであり;式(3a)において、b’’は1以上100以下の整数であり;式(3b)において、a’’およびb’’は、それぞれ独立して0以上30以下、例えば1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。
酸化ジルコニウム基材上に、含フッ素シラン化合物を含む表面処理剤から形成された表面処理層を形成する方法であって、
酸化ジルコニウム基材上に、一種以上の金属酸化物を用いて、中間層を形成すること、
次いで、中間層上に、含フッ素シラン化合物を含む表面処理剤を用いて、表面処理層を形成することを含む方法を提供する。
酸化ジルコニウム基材と、
基材上に位置する中間層と、
中間層上に位置する含フッ素シラン化合物を含む表面処理剤から形成された表面処理層と
を有して成る物品の製造方法であって、
酸化ジルコニウム基材上に、一種以上の金属酸化物を用いて、中間層を形成すること、
次いで、中間層上に、含フッ素シラン化合物を含む表面処理剤を用いて、表面処理層を形成することを含む方法を提供する。
下記式(平均組成)で示される含フッ素化合物を、濃度20wt%になるようにハイドロフルオロエーテル(スリーエム社製、ノベックHFE7200)に溶解させて表面処理剤を調製した。
CF3O(CF2CF2O)20(CF2O)16CF2CH2OCH2CH2CH2Si[CH2CH2CH2Si(OCH3)3]3
(なお、平均組成としては、(CF2CF2CF2CF2O)の繰り返し単位が0.17個および(CF2CF2CF2O)の繰り返し単位が0.18個含まれていたが、微量のため省略した。)
酸化ジルコニウム基材(7cm×5cm)上に、下記表に示す金属酸化物を、電子ビーム蒸着(Electron Beam Deposition)により、所定の厚みに蒸着し、中間層を形成した。次に、中間層上に、上記で調製した表面処理剤を所定の量で蒸着させて、表面処理剤の層を形成した。その後、表面処理剤の層を形成した基材を、温度20℃湿度65%の雰囲気下に24時間静置し、表面処理剤の層を硬化させて、表面処理層を得た。
酸化ジルコニウム基材上に、中間層を形成することなく、直接、表面処理剤を蒸着したこと以外は、上記実施例と同様に処理して、表面処理層を形成した。
・摩擦耐久性評価
上記の実施例1~11および比較例1の表面処理層について、水の静的接触角を測定した。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1μLにて実施した。
蒸着後、目視にて基材の表面を評価した。評価基準は以下の通りである。
○…見た目に滑らかであり、表面反射の変化がない。
△…若干の表面反射がある。
×…見た目に滑らかでなく、表面反射の変化がある。
Claims (22)
- 酸化ジルコニウム基材と、
基材上に位置する中間層と、
中間層上に位置する含フッ素シラン化合物を含む表面処理剤から形成された表面処理層と
を有して成る物品であって、
上記中間層が、一種以上の金属酸化物を含む、物品。 - 中間層が、酸化ケイ素または酸化アルミニウムを含む、請求項1に記載の物品。
- 中間層が、酸化ケイ素を含む、請求項1または2に記載の物品。
- 中間層が、酸化ケイ素および酸化アルミニウムを含む、請求項1~3のいずれか1項に記載の物品。
- 中間層が、さらに酸化ジルコニウムを含む、請求項2~4のいずれか1項に記載の物品。
- 中間層が、複数の金属酸化物層で構成されている、請求項1~5のいずれか1項に記載の物品。
- 中間層が、複数の金属酸化物層で構成されており、
基材と接触する金属酸化物層が、酸化アルミニウムの層であり、
表面処理層と接触する金属酸化物の層が、酸化ケイ素の層である、請求項1~6のいずれか1項に記載の物品。 - 上記含フッ素シラン化合物が、下記一般式(A1)、(A2)、(B1)、(B2)、(C1)、(C2)、(D1)および(D2):
PFPEは、各出現においてそれぞれ独立して、式:
-(OC4F8)a-(OC3F6)b-(OC2F4)c-(OCF2)d-
(式中、a、b、cおよびdは、それぞれ独立して、0~200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。)
で表される基であり;
Rfは、各出現においてそれぞれ独立して、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;
R1は、各出現においてそれぞれ独立して、水素原子または炭素数1~22のアルキル基を表し;
R2は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
R11は、各出現においてそれぞれ独立して、水素原子またはハロゲン原子を表し;
R12は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
nは、(-SiR1 nR2 3-n)単位毎に独立して、0~3の整数であり;
ただし、式(A1)、(A2)、(B1)および(B2)において、少なくとも1つのR2が存在し;
X1は、それぞれ独立して、単結合または2~10価の有機基を表し;
X2は、各出現においてそれぞれ独立して、単結合または2価の有機基を表し;
tは、各出現においてそれぞれ独立して、1~10の整数であり;
αは、それぞれ独立して、1~9の整数であり;
α’は、1~9の整数であり;
X5は、それぞれ独立して、単結合または2~10価の有機基を表し;
βは、それぞれ独立して、1~9の整数であり;
β’は、1~9の整数であり;
X7は、それぞれ独立して、単結合または2~10価の有機基を表し;
γは、それぞれ独立して、1~9の整数であり;
γ’は、1~9の整数であり;
Raは、各出現においてそれぞれ独立して、-Z-SiR71 pR72 qR73 rを表し;
Zは、各出現においてそれぞれ独立して、酸素原子または2価の有機基を表し;
R71は、各出現においてそれぞれ独立して、Ra’を表し;
Ra’は、Raと同意義であり;
Ra中、Z基を介して直鎖状に連結されるSiは最大で5個であり;
R72は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
R73は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
pは、各出現においてそれぞれ独立して、0~3の整数であり;
qは、各出現においてそれぞれ独立して、0~3の整数であり;
rは、各出現においてそれぞれ独立して、0~3の整数であり;
ただし、-Z-SiR71 pR72 qR73 r毎において、p、qおよびrの和は3であり、式(C1)および(C2)において、少なくとも1つのR72が存在し;
Rbは、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
Rcは、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
kは、各出現においてそれぞれ独立して、1~3の整数であり;
lは、各出現においてそれぞれ独立して、0~2の整数であり;
mは、各出現においてそれぞれ独立して、0~2の整数であり;
ただし、γを付して括弧でくくられた単位において、k、lおよびmの和は3であり;
X9は、それぞれ独立して、単結合または2~10価の有機基を表し;
δは、それぞれ独立して、1~9の整数であり;
δ’は、1~9の整数である。
Rdは、各出現においてそれぞれ独立して、-Z’-CR81 p’R82 q’R83 r’を表し;
Z’は、各出現においてそれぞれ独立して、酸素原子または2価の有機基を表し;
R81は、各出現においてそれぞれ独立して、Rd’を表し;
Rd’は、Rdと同意義であり;
Rd中、Z’基を介して直鎖状に連結されるCは最大で5個であり;
R82は、各出現においてそれぞれ独立して、-Y-SiR85 jR86 3-jを表し;
Yは、各出現においてそれぞれ独立して、2価の有機基を表し;
R85は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
R86は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
jは、(-Y-SiR85 jR86 3-j)単位毎に独立して、1~3の整数を表し;
R83は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
p’は、各出現においてそれぞれ独立して、0~3の整数であり;
q’は、各出現においてそれぞれ独立して、0~3の整数であり;
r’は、各出現においてそれぞれ独立して、0~3の整数であり;
Reは、各出現においてそれぞれ独立して、-Y-SiR85 jR86 3-jを表し;
Rfは、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
k’は、各出現においてそれぞれ独立して、0~3の整数であり;
l’は、各出現においてそれぞれ独立して、0~3の整数であり;
m’は、各出現においてそれぞれ独立して、0~3の整数であり;
ただし、式中、少なくとも1つのq’は2または3であるか、あるいは、少なくとも1つのl’は2または3である。]
で表される1種またはそれ以上の化合物であることを特徴とする、請求項1~7のいずれか1項に記載の物品。 - PFPEが、それぞれ独立して、下記式(a)~(c):
(a)-(OC3F6)b-
[式(a)中、bは1以上200以下の整数である];
(b)-(OC4F8)a-(OC3F6)b-(OC2F4)c-(OCF2)d-
[式(b)中、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200以下の整数であり、a、b、cおよびdの和は、10以上200以下の整数であり、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。]
(c)-(R19-R18)n”-
[式(c)中、R19は、OCF2またはOC2F4であり、R18は、それぞれ独立して、OC2F4、OC3F6およびOC4F8から選択される基であるか、あるいは、これらの基から独立して選択される2または3つの基の組み合わせであり、n”は、2~100の整数である。]
のいずれかであることを特徴とする、請求項8に記載の物品。 - PFPEにおいて:
OC4F8が、OCF2CF2CF2CF2であり、
OC3F6が、OCF2CF2CF2であり、
OC2F4が、OCF2CF2である
ことを特徴とする、請求項8または9に記載の物品。 - 表面処理剤が、含フッ素オイル、シリコーンオイル、および触媒から選択される1種またはそれ以上の他の成分をさらに含有する、請求項8~10のいずれか1項に記載の物品。
- 含フッ素オイルが、式(3):
Rf1-(OC4F8)a’-(OC3F6)b’-(OC2F4)c’-(OCF2)d’-RF2
・・・(3)
[式中:
Rf1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炭素数1~16のアルキル基を表し;
Rf2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炭素数1~16のアルキル基、フッ素原子または水素原子を表し;
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11に記載の物品。 - 含フッ素オイルが、式(3a)または(3b):
Rf1-(OCF2CF2CF2)b’’-Rf2 ・・・(3a)
Rf1-(OCF2CF2CF2CF2)a’’-(OCF2CF2CF2)b’’-(OCF2CF2)c’’-(OCF2)d’’-Rf2 ・・・(3b)
[式中:
Rf1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炭素数1~16のアルキル基を表し;
Rf2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炭素数1~16のアルキル基、フッ素原子または水素原子を表し;
式(3a)において、b’’は1以上100以下の整数であり;
式(3b)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11または12に記載の物品。 - 筐体、眼鏡フレームまたは宝飾品である、請求項1~13のいずれか1項に記載の物品。
- 酸化ジルコニウム基材上に、含フッ素シラン化合物を含む表面処理剤から表面処理層を形成する方法であって、
酸化ジルコニウム基材上に、一種以上の金属酸化物を用いて、中間層を形成すること、
次いで、中間層上に、含フッ素シラン化合物を含む表面処理剤を用いて、表面処理層を形成すること
を含む方法。 - 中間層が、酸化ケイ素または酸化アルミニウムを含む、請求項15に記載の方法。
- 中間層が、酸化ケイ素を含む、請求項15または16に記載の方法。
- 中間層が、酸化ケイ素および酸化アルミニウムを含む、請求項15~17のいずれか1項に記載の方法。
- 中間層が、さらに酸化ジルコニウムを含む、請求項15~18のいずれか1項に記載の方法。
- 中間層の形成が、酸化ジルコニウム基材上に、酸化アルミニウムの層を形成し、次いで、酸化アルミニウムの層上に、酸化ケイ素の層を形成することにより行われる、請求項15~19のいずれか1項に記載の方法。
- 酸化ジルコニウム基材と、
基材上に位置する中間層と、
中間層上に位置する含フッ素シラン化合物を含む表面処理剤から形成された表面処理層と
を有して成る物品の製造方法であって、
酸化ジルコニウム基材上に、一種以上の金属酸化物を用いて、中間層を形成すること、
次いで、中間層上に、含フッ素シラン化合物を含む表面処理剤を用いて、表面処理層を形成すること
を含む方法。 - 中間層の形成が、酸化ジルコニウム基材上に、酸化アルミニウムの層を形成し、次いで、酸化アルミニウムの層上に、酸化ケイ素の層を形成することにより行われる、請求項17に記載の方法。
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KR102467222B1 (ko) * | 2018-09-28 | 2022-11-16 | 다이킨 고교 가부시키가이샤 | 표면 처리 방법 및 표면 처리 물품 |
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JPWO2017078141A1 (ja) | 2018-05-17 |
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