WO2015137343A1 - 含フッ素ホウ酸コンポジット粒子 - Google Patents
含フッ素ホウ酸コンポジット粒子 Download PDFInfo
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- WO2015137343A1 WO2015137343A1 PCT/JP2015/057022 JP2015057022W WO2015137343A1 WO 2015137343 A1 WO2015137343 A1 WO 2015137343A1 JP 2015057022 W JP2015057022 W JP 2015057022W WO 2015137343 A1 WO2015137343 A1 WO 2015137343A1
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- WIPO (PCT)
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- fluorine
- boric acid
- group
- general formula
- carbon atoms
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
- C03C17/008—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character comprising a mixture of materials covered by two or more of the groups C03C17/02, C03C17/06, C03C17/22 and C03C17/28
- C03C17/009—Mixtures of organic and inorganic materials, e.g. ormosils and ormocers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1612—Non-macromolecular compounds
- C09D5/1625—Non-macromolecular compounds organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/06—Boron halogen compounds
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
- C03C17/328—Polyolefins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/48—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
- C08G77/58—Metal-containing linkages
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G79/00—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/76—Hydrophobic and oleophobic coatings
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/111—Deposition methods from solutions or suspensions by dipping, immersion
Definitions
- the present invention relates to fluorine-containing boric acid composite particles. More specifically, the present invention relates to fluorine-containing boric acid composite particles having improved surface treatment characteristics.
- Patent Documents 1 and 2 describe that a fluorine-containing alcohol and an alkoxysilane (and a polymerizable functional group-containing alcohol) are subjected to a condensation reaction.
- the obtained alkoxysilane derivative is a photoacid generator or a photobase. It is used for the preparation of a curable composition to which a generator is added, or an inorganic conductive coating composition.
- An object of the present invention is to use a fluorinated alcohol having a unit that does not generate perfluorooctanoic acid or the like even when released into the environment and is easily decomposed into a short-chain compound, and has adhesion to an inorganic substrate or the like.
- the object is to provide fluorine-containing boric acid composite particles.
- R F is a perfluoroalkyl group having 6 or less carbon atoms, or a part of the fluorine atom of the perfluoroalkyl group is substituted with a hydrogen atom, and the terminal perfluoroalkyl group having 6 or less carbon atoms and the carbon number A polyfluoroalkyl group composed of 6 or less perfluoroalkylene groups, and A is an alkylene group having 1 to 6 carbon atoms).
- Fluoroboric acid composite particles are provided.
- the fluorine-containing boric acid composite particles may be a condensate of both a fluorine-containing alcohol [I] and an alkoxysilane having a molar ratio of 1.0 or less with respect to the fluorine-containing alcohol and boric acid.
- R F ′ is a linear or branched perfluoroalkyl group containing an O, S or N atom having a terminal perfluoroalkyl group having 6 or less carbon atoms and a perfluoroalkylene group having 6 or less carbon atoms.
- R F ′′ is a linear or branched perfluoroalkylene group containing an O, S or N atom having a perfluoroalkylene group having 6 or less carbon atoms, and A is 1 to 6 carbon atoms.
- Fluorine-containing boric acid composite particles comprising a condensate of a fluorine-containing alcohol and boric acid represented by formula (1) are provided.
- the fluorine-containing boric acid composite particles may be a condensate of both fluorine-containing alcohol [Ia] or [Ib] and an alkoxysilane having a molar ratio of 1.0 or less with respect to these fluorine-containing alcohols and boric acid.
- the fluorine-containing alcohol used in the present invention has a perfluoroalkylene chain having 6 or less carbon atoms in the terminal perfluoroalkyl group or polyfluoroalkyl group, and has a unit that is easily decomposed into a short-chain fluorine-containing compound. Therefore, it does not lead to environmental pollution.
- the obtained fluorinated boric acid composite particles form a thin film having good water / oil repellency and antifouling function on the surface of the substrate, and this thin film has excellent adhesion to an inorganic substrate or the like. .
- fluorine-containing alcohol [I] for example, the general formula C n F 2n + 1 (CH 2 ) j OH [II] n: 1-6, preferably 4-6 j: 1 to 6, preferably 1 to 3, particularly preferably 2
- the polyfluoroalkyl alcohol represented by these is used.
- alkylene group A examples include —CH 2 — group, —CH 2 CH 2 — group, etc.
- perfluoroalkylalkyl alcohols having such an alkylene group include 2,2,2-trifluoroethanol (CF 3 CH 2 0H), 3,3,3-trifluoro-propanol (CF 3 CH 2 CH 2 OH ), 2,2,3,3,3- pentafluoro-propanol (CF 3 CF 2 CH 2 0H ), 3,3, 4,4,4-pentafluorobutanol (CF 3 CF 2 CH 2 CH 2 OH), 2,2,3,3,4,4,5,5,5-nonafluoropentanol (CF 3 CF 2 CF 2 CH 2 0H), 3,3,4,4,5,5,6,6,6-nonafluorohexanol (CF 3 CF 2 CF 2 CH 2 CH 2 OH), 3,3,4, 4,5,5,6,6,6-nonafluorohexanol (CF 3 CF 2 CF 2 CH 2
- the polyfluoroalkyl group is a group in which the terminal —CF 3 group of the perfluoroalkyl group is replaced with, for example, —CF 2 H group, or the intermediate —CF 2 — group is —CFH— group or —CH 2 — group.
- fluorinated alcohol [I] having such a substituent for example, 2,2,3,3-tetrafluoropropanol (HCF 2 CF 2 CH 2 OH), 2,2 , 3,4,4,4-hexafluoro-butanol (CF 3 CHFCF 2 CH 2 OH ), 2,2,3,3,4,4,5,5- octafluoropentanol (HCF 2 CF 2 CF 2 CF 2 CH 2 OH) and the like.
- the polyfluoroalkyl alcohol represented by the general formula [II] is described in Patent Document 3, for example, and is synthesized through the following series of steps.
- the general formula C n F 2n + 1 (CF 2 CF 2 ) b (CH 2 CH 2 ) c I A polyfluoroalkyl iodide represented by, for example, CF 3 (CH 2 CH 2 ) I CF 3 (CH 2 CH 2 ) 2 I C 2 F 5 (CH 2 CH 2 ) I C 2 F 5 (CH 2 CH 2 ) 2 I C 3 F 7 (CH 2 CH 2 ) I C 3 F 7 (CH 2 CH 2 ) 2 I C 4 F 9 (CH 2 CH 2 ) I C 4 F 9 (CH 2 CH 2 ) 2 I C 2 F 5 (CF 2 CF 2 ) (CH 2 CH 2 ) I C 2 F 5 (CF 2 CF 2 ) (CH 2 CH 2 ) I C 2 F 5 (CF 2 CF 2 ) (CH 2 CH 2 ) 2 I C 2 F 5
- R F group is part of the fluorine atoms of the perfluoroalkyl group is replaced by hydrogen atoms, perfluoroalkylene having 6 or less of terminal perfluoroalkyl group and having a carbon number of 6 or less carbon atoms
- a polyfluoroalkyl group comprising a group, specifically a polyfluoroalkyl group having 3 to 20 carbon atoms, preferably 6 to 10 carbon atoms, and A is an alkylene having 2 to 6 carbon atoms, preferably 2 carbon atoms
- Fluorine-containing alcohol as a group for example, the general formula C n F 2n + 1 (CH 2 CF 2 ) a (CF 2 CF 2 ) b (CH 2 CH 2 ) c OH [III] n: 1 to 6, preferably 2 to 4 a: 1 to 4, preferably 1 b: 0-2, preferably 1-2 c: 1 to 3, preferably 1
- the polyfluoroalkyl alcohol represented by the general formula [III] is described in Patent Document 3, and is synthesized through the following series of steps.
- the general formula C n F 2n + 1 (CH 2 CF 2 ) a (CF 2 CF 2 ) b (CH 2 CH 2 ) c I A polyfluoroalkyl iodide represented by, for example, CF 3 (CH 2 CF 2 ) (CH 2 CH 2 ) I C 2 F 5 (CH 2 CF 2 ) (CH 2 CH 2 ) I C 2 F 5 (CH 2 CF 2 ) (CH 2 CH 2 ) 2 I C 3 F 7 (CH 2 CF 2 ) (CH 2 CH 2 ) I C 3 F 7 (CH 2 CF 2 ) (CH 2 CH 2 ) 2 I C 4 F 9 (CH 2 CF 2 ) (CH 2 CH 2 ) I C 4 F 9 (CH 2 CF 2 ) (CH 2 CH 2 ) 2 I C 2 F 5 (CH 2 CF 2 ) (CF 2
- the R F ′ group has a terminal perfluoroalkyl group having 6 or less carbon atoms and a perfluoroalkylene group having 6 or less carbon atoms, a straight chain containing O, S or N atoms, or A branched perfluoroalkyl group, specifically an O, S or N-containing perfluoroalkyl group having 3 to 305 carbon atoms, preferably 8 to 35, and A having 1 to 3 carbon atoms, preferably 1 Fluorine-containing alcohol which is an alkylene group, for example, the general formula C m F 2m + 1 O [CF (CF 3 ) CF 2 O] d CF (CF 3 ) (CH 2 ) e OH [IIa] m: 1 to 3, preferably 3 d: 0 to 100, preferably 1 to 10 e: 1 to 3, preferably 1 The hexafluoropropene oxide oligomer alcohol etc. which are represented by these are used.
- the R F ′′ group has a perfluoroalkylene group having 6 or less carbon atoms, specifically, an O, S or N-containing perfluoroalkylene group having 5 to 160 carbon atoms.
- A is an alkylene group having 1 to 3, preferably 1, carbon atoms, such as the general formula HO (CH 2 ) f CF (CF 3 ) [OCF 2 CF (CF 3 )] g O (CF 2) h O [CF (CF 3) CF 2 O] i CF (CF 3) (CH 2) f OH [IIb] f: 1 to 3, preferably 1 g + i: 0 to 50, preferably 2 to 50 h: 1 to 6, preferably 2 A perfluoroalkylene ether diol represented by the formula:
- a fluorine-containing ether carboxylic acid alkyl ester represented by the general formula CF 3 O [CF (CF 3 ) CF 2 O] n CF (CF 3 ) COOR (R: alkyl group, n: integer of 0 to 12) is hydrogenated.
- Reduction reaction is performed using a reducing agent such as sodium borohydride.
- an alkoxysilane When an alkoxysilane is used with a fluorine-containing alcohol, it has the general formula (R 1 O) p Si (OR 2 ) q (R 3 ) r (IV) R 1 , R 3 : H, C 1 -C 6 alkyl group or aryl group R 2 : C 1 -C 6 alkyl group or aryl group provided that R 1 , R 2 and R 3 are all aryl groups P + q + r: 4 where q is not 0, for example, trimethoxysilane, triethoxysilane, trimethoxymethylsilane, triethoxymethylsilane, trimethoxyphenylsilane, triethoxyphenylsilane, tetra Methoxysilane, tetraethoxysilane, etc. are used.
- Each of these components is about 0.1 to 50 parts by weight, preferably about 10 to 20 parts by weight of boric acid with respect to 100 parts by weight of the fluorine-containing alcohol, and alkoxysilane is about 1.0 or less with respect to the fluorine-containing alcohol. , Preferably in a molar ratio of about 0.05 to 0.50.
- the proportion of boric acid used is less than this, the water and oil repellency becomes low, while when it is used in a proportion higher than this, the dispersibility in the solvent becomes poor. Further, when the alkoxysilane is used in a proportion higher than this, the water / oil repellency is lowered.
- the amount of fluorinated alcohol in the obtained fluorinated boric acid composite particles is about 25 to 98 mol%, preferably about 40 to 70 mol%, and the composite particle diameter (measured by dynamic light scattering method) is about 10 It is ⁇ 600 nm, preferably about 15 to 350 nm.
- Fluorine-containing boric acid composite particles which are reaction products, are considered to have fluorine-containing alcohol bonded to the hydroxyl groups of boric acid particles. Therefore, chemical and thermal stability of boric acid and excellent water repellency of fluorine Oil repellency, antifouling properties, etc. are effectively exhibited, and the actual glass surface treated with fluorinated boric acid composite particles shows good water and oil repellency. In addition, the particle size and variation of the fluorine-containing boric acid composite particles are also small.
- the fluorine-containing boric acid composite particles are also formed as a reaction product of both fluorine-containing alcohol and alkoxysilane and boric acid particles, but other components can be mixed unless the object of the present invention is impaired.
- Example 1 CF 3 (CF 2 ) 5 (CH 2 ) 2 OH [FA-6] 1100 mg, boric acid 200 mg and tetrahydrofuran [THF] 2 ml were charged into a 30 ml capacity reaction vessel and stirred at room temperature for 1 day. Thereafter, the solvent was distilled off to obtain 767 mg (yield 59%) of the desired fluorine-containing boric acid composite particles. The obtained fluorine-containing boric acid composite particles were measured for the following items.
- Example 2 the amount of FA-6 and the amount of boric acid were appropriately changed.
- Example 10 In Example 1, various fluorine-containing alcohols were used in place of FA-6, and tetraethoxysilane [TEOS; density 0.94 g / cm 3 ] was also appropriately used. The amount of THF used in Examples 14 to 16 was 4 ml.
- OXF3PO HOCH 2 CF (CF 3 ) OCF 2 CF (CF 3 ) OCF 2 CF 2 OCF (CF 3 ) CH 2 OH
- DTFAC C 4 F 9 (CH 2 CF 2 ) (CF 2 CF 2 ) 2 (CH 2 CH 2 ) Table 2 Water (Elapsed time: minutes)
- Example n-Dodecane 0 5 10 15 20 25 30
- Comparative Example 1 For the uncoated glass substrate, the contact angle of the droplet was measured in the same manner as in Example 1.
- Comparative Example 2 For the glass substrate coated with boric acid, the contact angle of the droplet was measured in the same manner as in Example 1.
- Comparative Examples 3-7 In the measurement of the contact angle of the droplets of Example 1, a glass substrate coated with the following sample methanol dispersion (5 g / L) was used instead of the fluorine-containing boric acid composite particle methanol dispersion. Comparative Example 3: Boric acid / TEOS Comparative Example 4: FA-6 Comparative Example 5: FA-6 / TEOS Comparative Example 6: OXF3PO Comparative Example 7: OXF14PO However, in Comparative Example 3, FA-6 was not used in Example 1, but 50 mg (0.81 mmol) of boric acid and 0.10 ml (0.45 mmol) of TEOS were used. The yield of the product was 130 mg and the yield was 90%. Met.
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Abstract
Description
RF-A-OH 〔I〕
(ここで、RFは炭素数6以下のパーフルオロアルキル基であり、またはパーフルオロアルキル基のフッ素原子の一部が水素原子で置換され、炭素数6以下の末端パーフルオロアルキル基および炭素数6以下のパーフルオロアルキレン基を含んで構成されるポリフルオロアルキル基であり、Aは炭素数1~6のアルキレン基である)で表される含フッ素アルコールとホウ酸との縮合体からなる含フッ素ホウ酸コンポジット粒子が提供される。含フッ素ホウ酸コンポジット粒子は、含フッ素アルコール〔I〕と含フッ素アルコールに対してモル比1.0以下のアルコキシシランとの両者およびホウ酸の縮合体であってもよい。
RF′-A-OH 〔Ia〕
または一般式
HO-A-RF′′-A-OH 〔Ib〕
(ここで、RF′は炭素数6以下の末端パーフルオロアルキル基および炭素数6以下のパーフルオロアルキレン基を有する、O、SまたはN原子を含有する直鎖状または分岐状パーフルオロアルキル基であり、RF′′は炭素数6以下のパーフルオロアルキレン基を有する、O、SまたはN原子を含有する直鎖状または分岐状のパーフルオロアルキレン基であり、Aは炭素数1~6のアルキレン基である)で表される含フッ素アルコールとホウ酸との縮合体からなる含フッ素ホウ酸コンポジット粒子が提供される。含フッ素ホウ酸コンポジット粒子は、含フッ素アルコール〔Ia〕または〔Ib〕とこれら含フッ素アルコールに対してモル比1.0以下のアルコキシシランとの両者およびホウ酸の縮合体であってもよい。
CnF2n+1(CH2)jOH 〔II〕
n:1~6、好ましくは4~6
j:1~6、好ましくは1~3、特に好ましくは2
で表されるポリフルオロアルキルアルコール等が用いられる。
まず、一般式
CnF2n+1(CF2CF2)b(CH2CH2)cI
で表されるポリフルオロアルキルアイオダイド、例えば
CF3(CH2CH2)I
CF3(CH2CH2)2I
C2F5(CH2CH2)I
C2F5(CH2CH2)2I
C3F7(CH2CH2)I
C3F7(CH2CH2)2I
C4F9(CH2CH2)I
C4F9(CH2CH2)2I
C2F5(CF2CF2)(CH2CH2)I
C2F5(CF2CF2)(CH2CH2)2I
C2F5(CF2CF2)2(CH2CH2)I
C2F5(CF2CF2)2(CH2CH2)2I
C4F9(CF2CF2)(CH2CH2)I
C4F9(CF2CF2)(CH2CH2)2I
をN-メチルホルムアミド HCONH(CH3)と反応させ、ポリフルオロアルキルアルコールとそのギ酸エステルとの混合物とした後、酸触媒の存在下でそれに加水分解反応させ、ポリフルオロアルキルアルコール
CnF2n+1(CF2CF2)b(CH2CH2)cOH
を形成させる。ただし、n+2bの値は6以下である。
CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cOH 〔III〕
n:1~6、好ましくは2~4
a:1~4、好ましくは1
b:0~2、好ましくは1~2
c:1~3、好ましくは1
で表されるポリフルオロアルキルアルコール等が用いられる。
まず、一般式
CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cI
で表されるポリフルオロアルキルアイオダイド、例えば
CF3(CH2CF2)(CH2CH2)I
C2F5(CH2CF2)(CH2CH2)I
C2F5(CH2CF2)(CH2CH2)2I
C3F7(CH2CF2)(CH2CH2)I
C3F7(CH2CF2)(CH2CH2)2I
C4F9(CH2CF2)(CH2CH2)I
C4F9(CH2CF2)(CH2CH2)2I
C2F5(CH2CF2)(CF2CF2)(CH2CH2)I
C2F5(CH2CF2)(CF2CF2)(CH2CH2)2I
C2F5(CH2CF2)2(CF2CF2)(CH2CH2)I
C2F5(CH2CF2)2(CF2CF2)(CH2CH2)2I
C4F9(CH2CF2)(CF2CF2)(CH2CH2)I
C4F9(CH2CF2)2(CF2CF2)(CH2CH2)I
C4F9(CH2CF2)(CF2CF2)(CH2CH2)2I
C4F9(CH2CF2)2(CF2CF2)(CH2CH2)2I
をN-メチルホルムアミド HCONH(CH3)と反応させ、ポリフルオロアルキルアルコールとそのギ酸エステルとの混合物とした後、酸触媒の存在下でそれに加水分解反応させ、ポリフルオロアルキルアルコール
CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cOH
を形成させる。
CmF2m+1O〔CF(CF3)CF2O〕dCF(CF3)(CH2)eOH 〔IIa〕
m:1~3、好ましくは3
d:0~100、好ましくは1~10
e:1~3、好ましくは1
で表されるヘキサフルオロプロペンオキシドオリゴマーアルコール等が用いられる。
HO(CH2)fCF(CF3)〔OCF2CF(CF3)〕gO(CF2)hO〔CF(CF3)CF2O〕iCF(CF3)(CH2)fOH
〔IIb〕
f:1~3、好ましくは1
g+i:0~50、好ましくは2~50
h:1~6、好ましくは2
で表されるパーフルオロアルキレンエーテルジオール等が用いられる。
一般式 CF3O〔CF(CF3)CF2O〕nCF(CF3)COOR (R:アルキル基、n:0~12の整数)で表される含フッ素エーテルカルボン酸アルキルエステルを、水素化ホウ素ナトリウム等の還元剤を用いて還元反応させる。
FOCRfCOF → H3COOCRfCOOCH3 → HOCH2RfCH2OH
Rf:-CF(CF3)〔OCF2C(CF3)〕aO(CF2)cO〔CF(CF3)CF2O〕bCF(CF3)-
(R1O)pSi(OR2)q(R3)r 〔IV〕
R1、R3:H、C1~C6のアルキル基またはアリール基
R2:C1~C6のアルキル基またはアリール基
ただし、R1、R2、R3が共にアリール基であることはない
p+q+r:4 ただし、qは0ではない
で表され、例えばトリメトキシシラン、トリエトキシシラン、トリメトキシメチルシラン、トリエトキシメチルシラン、トリメトキシフェニルシラン、トリエトキシフェニルシラン、テトラメトキシシラン、テトラエトキシシラン等が用いられる。
CF3(CF2)5(CH2)2OH〔FA-6〕1100mg、ホウ酸200mgおよびテトラヒドロフラン〔THF〕2mlを容量30mlの反応容器に仕込み、室温条件下で1日撹拌した。その後、溶媒を留去し、目的とする含フッ素ホウ酸コンポジット粒子767mg(収率59%)を得た。得られた含フッ素ホウ酸コンポジット粒子について、次の各項目の測定を行った。
粒子径およびそのバラツキ:表1
25℃で固形分濃度1g/Lメタノール分散液について、動的光散乱(DLS)測定法によって測定
液滴の接触角(単位:°):表2
メタノール分散液(粒子濃度5g/L)を、ガラスプレパラートにディッピングし、室温条件下で乾燥させ、得られた薄膜表面にn-ドデカンまたは水の液滴4μlを静かに接触させ、付着した液滴の接触角を、θ/2法により接触角計(協和界面化学製Drop Master 300)で測定した。なお、水については経時的な測定が行われた。
各実施例でのガラス基材に対する接触角は、n-ドデカンおよび水に対しいずれも撥水性もしくは撥油性を示した。
実施例1において、FA-6量、ホウ酸量がそれぞれ適宜変更された。
実施例1において、FA-6の代りに種々の含フッ素アルコールが用いられ、またテトラエトキシシラン〔TEOS;密度0.94g/cm3〕も適宜用いられた。THF量は、実施例14~16では4ml用いられた。
OXF3PO:HOCH2CF(CF3)OCF2CF(CF3)OCF2CF2OCF(CF3)CH2OH
OXF14PO:HOCH2CF(CF3)〔OCF2CF(CF3)〕nOCF2CF2O〔CF(CF3)CF2O〕mCF(CF3)CH2OH
(n+m=12)
DTFAC:C4F9(CH2CF2)(CF2CF2)2(CH2CH2)
表2
水 (経過時間:分)
例 n-ドデカン 0 5 10 15 20 25 30
実施例1 39 62 59 57 54 55 52 50
〃 2 39 46 46 46 46 47 48 48
〃 3 31 44 40 35 27 21 14 7
〃 4 31 45 41 36 32 27 19 14
〃 5 28 54 46 41 35 29 24 16
〃 6 31 42 38 34 30 22 20 15
〃 7 33 49 46 41 32 28 19 11
〃 8 37 53 48 42 38 32 21 23
〃 9 45 98 93 88 82 71 63 48
〃 10 49 62 56 50 45 36 30 29
〃 11 20 67 65 62 60 59 56 56
〃 12 47 44 42 41 37 36 33 31
〃 13 40 25 21 19 17 16 15 14
〃 14 53 53 50 49 47 46 45 42
〃 15 53 55 56 53 50 48 47 44
〃 16 56 58 49 48 47 44 43 42
〃 17 38 77 74 69 63 57 57 60
〃 18 49 71 69 66 60 53 47 43
〃 19 50 100 93 93 86 80 80 80
コーティングされていないガラス基材について、実施例1と同様に液滴の接触角測定が行われた。
ホウ酸を用いてコーティングされたガラス基材について、実施例1と同様に液滴の接触角測定が行われた。
実施例1の液滴の接触角測定において、含フッ素ホウ酸コンポジット粒子メタノール分散液の代わりに下記試料のメタノール分散液(5g/L)を用いてコーティングされたガラス基材が用いられた。
比較例3:ホウ酸/TEOS
比較例4:FA-6
比較例5:FA-6/TEOS
比較例6:OXF3PO
比較例7:OXF14PO
ただし、比較例3では、実施例1においてFA-6が用いられず、ホウ酸50mg(0.81ミリモル)、TEOS 0.10ml(0.45ミリモル)が用いられ、生成物の収量は130mg、収率は90%であった。また、比較例5では、実施例1においてホウ酸が用いられず、FA-6 1100mg(3.02ミリモル)、TEOS 0.10ml(0.45ミリモル)が用いられ、生成物の収量は763mg、収率は68%であった。
表3
水 (経過時間:分)
例 n-ドデカン 0 5 10 15 20 25 30
比較例1 0 50 - - - - - -
〃 2 22 66 - - - - - -
〃 3 20 55 - - - - - -
〃 4 30 43 39 35 31 22 21 16
〃 5 11 36 32 28 21 17 13 7
〃 6 45 62 60 58 56 55 50 53
〃 7 58 63 54 51 49 47 45 42
Claims (12)
- 一般式
RF-A-OH 〔I〕
(ここで、RFは炭素数6以下のパーフルオロアルキル基であり、またはパーフルオロアルキル基のフッ素原子の一部が水素原子で置換され、炭素数6以下の末端パーフルオロアルキル基および炭素数6以下のパーフルオロアルキレン基を含んで構成されるポリフルオロアルキル基であり、Aは炭素数1~6のアルキレン基である)で表される含フッ素アルコールまたは含フッ素アルコールとこれに対してモル比1.0以下のアルコキシシランとの両者およびホウ酸の縮合体からなる含フッ素ホウ酸コンポジット粒子。 - 一般式〔I〕で表される含フッ素アルコールとして、一般式
CnF2n+1(CH2)jOH 〔II〕
(ここで、nは1~6、jは1~6の整数である)で表されるポリフルオロアルキルアルコールが用いられた請求項1記載の含フッ素ホウ酸コンポジット粒子。 - 一般式〔I〕で表される含フッ素アルコールとして、一般式
CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cOH 〔III〕
(ここで、nは1~6、aは1~4、bは0~2、cは1~3の整数である)で表されるポリフルオロアルキルアルコールが用いられた請求項1記載の含フッ素ホウ酸コンポジット粒子。 - アルコキシシランが、一般式
(R1O)pSi(OR2)q(R3)r 〔IV〕
(ここで、R1、R3はそれぞれ水素原子、炭素数1~6のアルキル基またはアリール基であり、R2は炭素数1~6のアルキル基またはアリール基であり、ただしR1、R2、R3は共にアリール基であることはなく、p+q+rは4であり、ただしqは0ではない)で表わされるシラン誘導体である請求項1記載の含フッ素ホウ酸コンポジット粒子。 - 含フッ素アルコール100重量部に対しホウ酸が0.1~50重量部の割合で用いられた請求項1記載の含フッ素ホウ酸コンポジット粒子。
- 一般式
RF′-A-OH 〔Ia〕
または一般式
HO-A-RF′′-A-OH 〔Ib〕
(ここで、RF′は炭素数6以下の末端パーフルオロアルキル基および炭素数6以下のパーフルオロアルキレン基を有する、O、SまたはN原子を含有する直鎖状または分岐状パーフルオロアルキル基であり、RF′′は炭素数6以下のパーフルオロアルキレン基を有する、O、SまたはN原子を含有する直鎖状または分岐状のパーフルオロアルキレン基であり、Aは炭素数1~6のアルキレン基である)で表される含フッ素アルコールまたは含フッ素アルコールとこれに対してモル比1.0以下のアルコキシシランとの両者およびホウ酸の縮合体からなる含フッ素ホウ酸コンポジット粒子。 - 一般式〔Ia〕で表される含フッ素アルコールとして、一般式
CmF2m+1O〔CF(CF3)CF2O〕dCF(CF3)(CH2)eOH 〔IIa〕
(ここで、mは1~3、dは0~100、eは1~3の整数である)で表されるヘキサフルオロプロペンオキシドオリゴマーアルコールが用いられた請求項6記載の含フッ素ホウ酸コンポジット粒子。 - 一般式〔Ib〕で表される含フッ素アルコールとして、一般式
HO(CH2)fCF(CF3)〔OCF2CF(CF3)〕gO(CF2)hO〔CF(CF3)CF2O〕i
CF(CF3)(CH2)fOH 〔IIb〕
(ここで、fは1~3、g+iは0~50、hは1~6の整数である)で表されるパーフルオロアルキレンエーテルジオールが用いられた請求項6記載の含フッ素ホウ酸コンポジット粒子。 - アルコキシシランが、一般式
(R1O)pSi(OR2)q(R3)r 〔IV〕
(ここで、R1、R3はそれぞれ水素原子、炭素数1~6のアルキル基またはアリール基であり、R2は炭素数1~6のアルキル基またはアリール基であり、ただしR1、R2、R3は共にアリール基であることはなく、p+q+rは4であり、ただしqは0ではない)で表わされるシラン誘導体である請求項6記載の含フッ素ホウ酸コンポジット粒子。 - 含フッ素アルコール100重量部に対しホウ酸が0.1~50重量部の割合で用いられた請求項6記載の含フッ素ホウ酸コンポジット粒子。
- 粒子径(動的光散乱法により測定)が10~600nmである請求項1または6記載の含フッ素ホウ酸コンポジット粒子。
- 請求項11記載の含フッ素ホウ酸コンポジット粒子を有効成分とする表面処理剤。
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US15/125,029 US20170015839A1 (en) | 2014-03-11 | 2015-03-10 | Fluorine-containing boric acid composite particles |
EP15762346.3A EP3118266A4 (en) | 2014-03-11 | 2015-03-10 | Fluorine-containing boric acid composite particles |
KR1020167026196A KR102036164B1 (ko) | 2014-03-11 | 2015-03-10 | 함불소 붕산 복합 입자 |
CN201580012993.7A CN106062097B (zh) | 2014-03-11 | 2015-03-10 | 含氟硼酸复合物粒子 |
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- 2015-03-10 WO PCT/JP2015/057022 patent/WO2015137343A1/ja active Application Filing
- 2015-03-10 KR KR1020167026196A patent/KR102036164B1/ko active IP Right Grant
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US20170015839A1 (en) | 2017-01-19 |
EP3118266A4 (en) | 2017-09-13 |
CN106062097A (zh) | 2016-10-26 |
JP5955468B2 (ja) | 2016-07-20 |
EP3118266A1 (en) | 2017-01-18 |
JPWO2015137343A1 (ja) | 2017-04-06 |
KR20160134695A (ko) | 2016-11-23 |
CN106062097B (zh) | 2018-05-22 |
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