WO2004091810A1 - 有機薄膜製造方法 - Google Patents
有機薄膜製造方法 Download PDFInfo
- Publication number
- WO2004091810A1 WO2004091810A1 PCT/JP2004/005285 JP2004005285W WO2004091810A1 WO 2004091810 A1 WO2004091810 A1 WO 2004091810A1 JP 2004005285 W JP2004005285 W JP 2004005285W WO 2004091810 A1 WO2004091810 A1 WO 2004091810A1
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- WIPO (PCT)
- Prior art keywords
- group
- thin film
- organic thin
- metal
- solution
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- DGCTVLNZTFDPDJ-UHFFFAOYSA-N heptane-3,5-dione Chemical compound CCC(=O)CC(=O)CC DGCTVLNZTFDPDJ-UHFFFAOYSA-N 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- QAMFBRUWYYMMGJ-UHFFFAOYSA-N hexafluoroacetylacetone Chemical compound FC(F)(F)C(=O)CC(=O)C(F)(F)F QAMFBRUWYYMMGJ-UHFFFAOYSA-N 0.000 description 1
- NDOGLIPWGGRQCO-UHFFFAOYSA-N hexane-2,4-dione Chemical compound CCC(=O)CC(C)=O NDOGLIPWGGRQCO-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- IQGRGQMXVZJUNA-UHFFFAOYSA-N hydroxy(trimethyl)silane;titanium Chemical compound [Ti].C[Si](C)(C)O.C[Si](C)(C)O.C[Si](C)(C)O.C[Si](C)(C)O IQGRGQMXVZJUNA-UHFFFAOYSA-N 0.000 description 1
- OXVFDZYQLGRLCD-UHFFFAOYSA-N hydroxypioglitazone Chemical compound N1=CC(C(O)C)=CC=C1CCOC(C=C1)=CC=C1CC1C(=O)NC(=O)S1 OXVFDZYQLGRLCD-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
- 229940011051 isopropyl acetate Drugs 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- GIWKOZXJDKMGQC-UHFFFAOYSA-L lead(2+);naphthalene-2-carboxylate Chemical compound [Pb+2].C1=CC=CC2=CC(C(=O)[O-])=CC=C21.C1=CC=CC2=CC(C(=O)[O-])=CC=C21 GIWKOZXJDKMGQC-UHFFFAOYSA-L 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 150000002688 maleic acid derivatives Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N n-hexanoic acid Natural products CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 125000001298 n-hexoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 239000002120 nanofilm Substances 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000005186 naphthyloxy group Chemical group C1(=CC=CC2=CC=CC=C12)O* 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011356 non-aqueous organic solvent Substances 0.000 description 1
- 125000005295 norbornyloxy group Chemical group C12(CCC(CC1)C2)O* 0.000 description 1
- ZWLPBLYKEWSWPD-UHFFFAOYSA-N o-toluic acid Chemical compound CC1=CC=CC=C1C(O)=O ZWLPBLYKEWSWPD-UHFFFAOYSA-N 0.000 description 1
- SLYCYWCVSGPDFR-UHFFFAOYSA-N octadecyltrimethoxysilane Chemical compound CCCCCCCCCCCCCCCCCC[Si](OC)(OC)OC SLYCYWCVSGPDFR-UHFFFAOYSA-N 0.000 description 1
- GJYXGIIWJFZCLN-UHFFFAOYSA-N octane-2,4-dione Chemical compound CCCCC(=O)CC(C)=O GJYXGIIWJFZCLN-UHFFFAOYSA-N 0.000 description 1
- PLYIPBIZXSTXCW-UHFFFAOYSA-N octanoic acid;tin Chemical compound [Sn].CCCCCCCC(O)=O PLYIPBIZXSTXCW-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000003901 oxalic acid esters Chemical class 0.000 description 1
- 125000005429 oxyalkyl group Chemical group 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 229960003424 phenylacetic acid Drugs 0.000 description 1
- 239000003279 phenylacetic acid Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- IUGYQRQAERSCNH-UHFFFAOYSA-N pivalic acid Chemical compound CC(C)(C)C(O)=O IUGYQRQAERSCNH-UHFFFAOYSA-N 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000004313 potentiometry Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- UORVCLMRJXCDCP-UHFFFAOYSA-N propynoic acid Chemical compound OC(=O)C#C UORVCLMRJXCDCP-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 239000002094 self assembled monolayer Substances 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 125000005415 substituted alkoxy group Chemical group 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 150000003457 sulfones Chemical group 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- WMOVHXAZOJBABW-UHFFFAOYSA-N tert-butyl acetate Chemical compound CC(=O)OC(C)(C)C WMOVHXAZOJBABW-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- FZMJEGJVKFTGMU-UHFFFAOYSA-N triethoxy(octadecyl)silane Chemical compound CCCCCCCCCCCCCCCCCC[Si](OCC)(OCC)OCC FZMJEGJVKFTGMU-UHFFFAOYSA-N 0.000 description 1
- DJMIIQXPYUKIMF-UHFFFAOYSA-N trihydroxy(octadecyl)silane Chemical compound CCCCCCCCCCCCCCCCCC[Si](O)(O)O DJMIIQXPYUKIMF-UHFFFAOYSA-N 0.000 description 1
- RIOQSEWOXXDEQQ-UHFFFAOYSA-O triphenylphosphanium Chemical compound C1=CC=CC=C1[PH+](C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-O 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- 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
- C03C17/30—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
- B05D1/185—Processes for applying liquids or other fluent materials performed by dipping applying monomolecular layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/261—In terms of molecular thickness or light wave length
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
Definitions
- the present invention relates to a method for producing an organic thin film formed on the surface of a substrate via a metal-oxygen bond and the like, and relates to an organic thin film production solution used in this method, and an organic thin film obtained.
- Conventional technology :
- a mixed solution containing at least one silanol condensation catalyst selected from an acid metal salt polymer, a carboxylate metal salt phosphate, a titanate ester, and a titanate ester phosphate, is brought into contact with the substrate surface;
- a method for producing a chemisorbed film in which a chemisorbed film covalently bonded via a siloxane bond is formed on the substrate surface. (See JP-A-8-3 3 7 6 5 4)
- a water-repellent coating composed of a monomolecular layer using a hydrolyzed monomer or polymer of a fluoroalkyl group-containing silane compound hydrolyzed under an acid catalyst, A method of fixing to the substrate surface via a silanol group is known.
- each method has a problem that it takes time to form a film, a problem that a silanol condensation catalyst remains in the film and the catalyst inhibits chemical adsorption and a dense monomolecular film cannot be produced, and an acidic substance is generated.
- the base material was limited and a problem that the film had to be formed in a non-aqueous system.
- stable supply of a dense monomolecular film with as few impurities as possible is required.
- even if the above-described known method is used, there has been no known example in which a crystalline chemical deposition film is formed on an amorphous substrate.
- the present invention has been made in view of the state of the prior art, and can form a rapid organic film with few impurities, and can stabilize a dense organic thin film. It is an object of the present invention to provide a method for producing an organic thin film that can be continuously formed multiple times.
- the organic solvent includes a metal-based surfactant having at least one hydrolyzable group, and a catalyst capable of interacting with the metal-based surfactant.
- the amount of water in the solution is set or maintained within a predetermined range, or the amount of water in the organic solvent solution containing a metal-based surfactant having at least one hydroxyl group is set or maintained within the predetermined amount range.
- the present invention provides:
- An organic thin film production method for forming an organic thin film on the surface of a substrate comprising at least one hydrolyzable group-containing metal surfactant, and a mutual interaction with the metal surfactant
- An organic solvent solution containing a catalyst capable of acting comprising the step (A) of bringing the substrate into contact, and a method for producing an organic thin film characterized in that the amount of water in the organic solvent solution is within or within a predetermined range
- the catalyst in which the organic solvent solution can interact with the metal-based surfactant is 0.001 to 1 mol or 1 oxide-converted mole per 1 mol of the metal-based surfactant.
- An organic thin film manufacturing method for forming an organic thin film on a substrate surface comprising a metal surfactant having at least one hydrolyzable group, and a catalyst capable of interacting with the metal surfactant. Including the step (A) of bringing the substrate into contact with an organic solvent solution, holding the amount of water in the organic solvent solution within a predetermined amount range, and repeating the step (A) two or more times using the same solution Regarding an organic thin film manufacturing method characterized by
- step (A) is repeated two or more times, and the step (A) is performed on two or more substrates using the same solution.
- the water content of the organic solvent solution is kept within a predetermined amount range or maintained by allowing a water retention substance to coexist in the organic solvent solution in a state of containing water.
- the water content in the predetermined amount range is a value obtained by measuring the solution obtained by collecting a part of the organic solvent solution by a Karl Fischer method, according to any one of (1) to (12) The organic thin film manufacturing method as described,
- the catalyst capable of interacting with the metal-based surfactant is a metal oxide; a metal hydroxide; a metal alkoxide; a chelated or coordinated metal compound; a metal alkoxide partial hydrolysis product.
- the metal alkoxide partial hydrolysis product has a property of being stably dispersed without aggregation in an organic solvent in the absence of an acid, a base, and / or a dispersion stabilizer.
- the partial hydrolysis product of the metal alkoxide is used in an organic solvent at a temperature of from 100 ° C to an organic solvent reflux temperature using 0.5 to less than 2.0 moles of water relative to the metal alkoxide.
- the metal in the hydrolysis product obtained by treating with more than double equivalent water is a group consisting of titanium, zirconium, aluminum, silicon, germanium, indium, tin, tantalum, zinc, tungsten, lead Selected from (14) to (17), the method for producing an organic thin film according to any one of the above,
- the metal surfactant having at least one hydrolyzable group is represented by the formula (I)
- R 1 represents a hydrocarbon group which may have a substituent, a halogenated hydrocarbon group which may have a substituent, a hydrocarbon group containing a linking group, or a halogen containing a linking group.
- M represents a hydrogenated hydrocarbon group
- M represents at least one metal atom selected from the group consisting of a silicon atom, a germanium atom, a tin atom, a titanium atom, and a zirconium atom
- X represents a hydroxyl group or a hydrolyzed group.
- n represents an integer from 1 to (m-1)
- m represents a valence of M
- R 1 is the same or They may be different
- X may be the same or different, provided that (m ⁇ n) at least one of X X is a hydrolyzable group.
- Genus surfactant is of the formula (II) R 2 3 C- ( CR 3 2) pR 4 q-MY r X m r 1 ⁇ ⁇ ⁇ (II)
- M represents at least one metal atom selected from the group consisting of a silicon atom, a germanium atom, a tin atom, a titanium atom, and a zirconium atom
- X represents a hydroxyl group or a hydrolyzable group.
- R 2 and R 3 each independently represent a hydrogen atom or a fluorine atom
- R 4 represents an alkylene group, a vinylene group, an edylene group, an arylene group, or a silicon atom and / or oxygen.
- Y represents a hydrogen atom, an alkyl group, an alkoxy group, a fluorine-containing alkyl group, or a fluorine-containing alkoxy group
- p represents 0 or a natural number
- q represents 0 or 1
- R represents an integer from 0 to (m ⁇ 2), when r is 2 or more, Y may be the same or different, and when (m ⁇ r ⁇ 1) is 2 or more, X is May be the same or different, provided that (m— n— l) (1) to (18), the organic thin-film manufacturing method according to any one of (1) to (18), wherein at least one X is a hydrolyzable group.
- (21) The organic thin film according to any one of (.1) to (20), wherein the hydrolyzable group of X is a halogen atom, a C1-C6 alkoxy group, or an acyloxy group.
- An organic thin film manufacturing method for forming an organic thin film on a substrate surface comprising the step of contacting the substrate with an organic solvent solution containing a metal surfactant having at least one hydroxyl group, A method for producing an organic thin film, characterized in that the amount of moisture in or within a predetermined range is maintained,
- the metallic surfactant having at least one hydroxyl group is represented by the formula (III) I ⁇ MX ⁇ OH) (III)
- R 1 represents a hydrocarbon group which may have a substituent, a halogenated hydrocarbon group which may have a substituent, a hydrocarbon group containing a linking group, or a linking group.
- M represents a halogenated hydrocarbon group, and M represents at least one metal atom selected from the group consisting of a silicon atom, a germanium atom, a tin atom, a titanium atom, and a zirconium atom, and X represents a hydroxyl group or a hydrolyzed group.
- N represents an integer of ⁇ ( ⁇ — 1)
- m represents the valence of M, and when n is 2 or more, R 1 is the same or different. (When m—n ⁇ 1) is 2 or more, X may be the same or different.)
- (22) Is the method for producing an organic thin film according to (23),
- the step of bringing the substrate into contact with the organic solvent solution is a step of bringing the substrate into contact with the organic solvent solution in a space where the humidity is maintained at 40% RH or more.
- the step of bringing the substrate into contact with the organic solvent solution is a step of bringing the substrate into contact with the organic solvent solution in a space where the humidity is maintained at 60% RH or more.
- the organic thin film is a crystalline organic thin film (1) to (27) An organic thin film production method according to any one of
- the substrate is composed of at least one selected from the group consisting of glass, silicon wafer, ceramics, metal, and plastic.
- the molecule forming the self-assembled film is a metal surfactant having at least one hydroxyl group or hydrolyzable group or a derivative thereof.
- the aggregate was obtained by treating a metal surfactant having at least one hydroxyl group or hydrolyzable group with a catalyst capable of interacting with the metal surfactant and water.
- a metal surfactant having at least one hydroxyl group or hydrolyzable group with a catalyst capable of interacting with the metal surfactant and water.
- the metal surfactant having at least one hydroxyl group or hydrolyzable group is represented by the formula (IV):
- R 11 may be a hydrocarbon group optionally having a substituent, or a substituent. Represents a good halogenated hydrocarbon group, a hydrocarbon group containing a linking group, or an octaloginized hydrocarbon group containing a linking group, and M 1 is a key atom, germanium atom, tin atom, titanium atom, and Represents at least one metal atom selected from the group consisting of zirconium atoms, X 1 represents a hydroxyl group or a hydrolyzable group, ⁇ represents any integer of 1 to ( ⁇ ⁇ ⁇ 1), rr ⁇ Represents the valence of ⁇ 1 , and when is 2 or more, R 11 may be the same or different, (when ⁇ ⁇ —n is 2 or more, X 1 is the same,
- the self-assembled film-forming solution according to any one of (35) to (3 7), characterized in that it is a compound represented by
- the metal surfactant having at least one hydroxyl group or hydrolyzable group is represented by the formula (V):
- M 2 represents at least one metal atom selected from the group consisting of a silicon atom, a germanium atom, a tin atom, a titanium atom, and a zirconium atom, and X 2 represents a hydroxyl group or a hydrolyzable group.
- R 21 and R 31 each independently represent a hydrogen atom or a fluorine atom
- R 41 represents an alkylene group, a pinylene group, an ethynylene group, an arylene group, or a cation, and 1 / younger ⁇ atom atom 2 represents a hydrogen atom, an alkyl group, an alkoxy group, a fluorine-containing alkyl group, or a fluorine-containing alkoxy group
- Pl represents 0 or a natural number, and 1 represents]: 2 represents an integer of 0 to (m 2 — 2), and when r 2 is 2 or more, Y 2 may be the same or different, and (m 2 — r 2 — l ) If 2 or more, X 2 may be made the same or different from.)
- Self-assembly film forming solution according to any of characterized in that it is a compound represented (35) - (3 7),
- the electrical potential value of the aggregate in the assembly is the electrical potential value of the substrate in the same solvent, and (35) to (41) Self-collection of mention
- the present invention relates to a film forming solution.
- the inventors have found new knowledge that the organic thin film has crystallinity even though the substrate used in the organic thin film manufacturing method has no crystallinity (Claim 43).
- the step of bringing the organic solvent solution into contact with the substrate in the organic thin film manufacturing method includes the steps of: dipping, spin coating, roll coating, Meyer's method, screen printing, offset printing, brush coating on the substrate. And a novel finding that can produce a monomolecular film by at least one method selected from the group consisting of a spray method and the step of applying the organic solvent solution on a substrate (Claim 48),
- An organic solvent solution containing a metal surfactant having a hydroxyl group, a hydrocarbon oxy group, or an acyloxy group is subjected to a dipping method, a spin coating method, a roll coating method, a Maypa method, a screen printing method, an offset printing method,
- a method for producing a monomolecular film, comprising a step of coating on a substrate by at least one method selected from the group consisting of a brush coating method and a spray method; and
- a step of heating the substrate is provided after the coating step.
- the organic solvent solution containing the metal-based surfactant is an organic solvent solution further containing a catalyst capable of interacting with the metal-based surfactant (.4 9) to (5 3
- the monomolecular film production method according to any one of the above.
- the method for producing an organic thin film of the present invention comprises: (a) an organic solvent solution comprising a metal-based surfactant having at least one hydrolyzable group, and a catalyst capable of interacting with the metal-based surfactant ( Hereinafter, it may be referred to as “solution (a)”), or (b) an organic solvent solution containing a metal surfactant having at least one hydroxyl group (hereinafter, referred to as “solution (b)”) And a step of bringing the substrate into contact with each other, wherein the amount of water in the organic solvent solution is within a predetermined range or is maintained.
- the metal surfactant having at least one or more hydrolyzable group in the solution ⁇ _ used in the present invention includes at least one hydrolyzable functional group and a hydrophobic group.
- those having a hydrolyzable group capable of reacting with active hydrogen on the substrate surface to form a bond are preferred.
- a hydroxyl group can be illustrated as another functional group which can react with active hydrogen and can form a bond, and the hydroxyl group may be included.
- Specific examples of such a metal surfactant include compounds represented by the above formula (I).
- R 1 includes a hydrocarbon group which may have a substituent, a halogenated hydrocarbon group which may have a substituent, a hydrocarbon group containing a linking group or a linking group.
- ⁇ represents a genated hydrocarbon group.
- n-pentyl group isopentyl group, neopenty
- An alkyl group having 1 to 30 carbon atoms such as an alkyl group, t-pentyl group, n-hexyl group, isohexyl group, n-heptyl group, n-year-old octyl group, n-decyl group; vinyl group, And alkenyl groups having 2 to 30 carbon atoms such as propenyl group, ptenyl group and pentenyl group; aryl groups such as phenyl group and naphthyl group;
- Examples of the octated hydrogenated hydrocarbon group of the halogenated hydrocarbon group which may have a substituent include a halogenated alkyl group having 1 to 30 carbon atoms, a halogenated alkenyl group having 2 to 30 carbon atoms, And halogenated aryl groups.
- Examples of the halogen atom include a fluorine atom, a chlorine atom, and a bromine atom, and a fluorine atom is preferable.
- Specific examples include groups in which one or more hydrogen atoms in the hydrocarbon groups exemplified above are substituted with a halogen atom such as a fluorine atom, a chlorine atom or a bromine atom.
- the halogenated hydrocarbon group is preferably a group in which two or more of the hydrogen atoms in the alkyl group having 1 to 30 carbon atoms are substituted with octagonal atoms, and has 1 to 30 carbon atoms. More preferred is a fluorinated alkyl group in which two or more of the hydrogen atoms in the alkyl group are substituted with fluorine atoms. Further, when the fluorinated alkyl group has a branched structure, the branched portion is preferably a short chain having 1 to 4 carbon atoms, preferably 1 to 2 carbon atoms.
- the fluorinated alkyl group is preferably a group in which one or more fluorine atoms are bonded to the terminal carbon atom, more preferably a group having a CF 3 group portion in which three fluorine atoms are bonded to the terminal carbon atom, and the terminal is a fluorine atom.
- the number of fluorine atoms in the fluorinated alkyl group is: [(number of fluorine atoms in fluorinated alkyl group) / (number of hydrogen atoms present in alkyl group of the same carbon number corresponding to fluorinated alkyl group) X 1 0 0]%, it is preferably 60% or more, and more preferably 80% or more.
- the optionally substituted hydrocarbon group or optionally substituted halo examples include a strong lpoxyl group; an amide group; an imide group; an ester group; an alkoxy group such as a methoxy group and an ethoxy group; or a hydroxyl group.
- the number of these substituents is preferably 0-3.
- hydrocarbon group including a linking group examples include the same hydrocarbon groups as those described above as the hydrocarbon group of the hydrocarbon group which may have a substituent. .
- halogenated hydrocarbon group of the halogenated hydrocarbon group containing a linking group specifically, those mentioned as the halogenated hydrocarbon group of the halogenated hydrocarbon group which may have the substituent The same thing is mentioned.
- the linking group is preferably present between carbon-carbon bonds of a hydrocarbon group or ⁇ -logonized hydrocarbon group, or between carbon of the hydrocarbon group and a metal atom M described later.
- R 11 is an alkyl group having 1 to 30 carbon atoms, a fluorinated alkyl group having 1 to 30 carbon atoms, or a fluorinated alkyl group containing a linking group. Preferably there is.
- R 1 More preferred specific examples of R 1 include CH 3 —, CH 3 CH 2 —, (CH 3 ) 2 CH—, (CH 3 ) 3 C one, CH 3 (CH 2 ) 2 one, CH 3 (CH 2 ) 3 -, CH 3 (CH 2) 4 -, CH 3 (CH 2) 5 -, CH 3 (CH 2) 6 -, CH 3 (CH 2) 7 -, CH 3 (CH 2) 8 -, CH 3 (CH 2 ) 9 —, CH 3 (CH)
- M represents one kind of atom selected from the group consisting of a key atom, a germanium atom, a tin atom, a titanium atom, and a zirconium atom.
- a key atom is particularly preferable from the viewpoint of easy availability of raw materials and reactivity. ⁇ .
- X represents a hydroxyl group or a hydrolyzable group, and the hydrolyzable group is not particularly limited as long as it is a group that decomposes by reacting with water. Specifically, it may have a substituent.
- An acyl group which may have a substituent; a halogen atom such as a fluorine atom, a chlorine atom, a bromine atom or a fluorine atom; an iso-cyanate group; a cyano group; an amino group; or an amide group Can do.
- an optionally substituted alkoxy group having 1 to 6 carbon atoms an alicyclic, aromatic, alkenyloxy group, hydrocarbonoxy group such as aralkyloxy group, and acyloxy group such as acetoxy group are preferable.
- alkoxy group having 1 to 6 carbon atoms examples include methoxy group, ethoxy group, n-propoxy group, isopropoxy group, n-butoxy group, sec-butoxy group, t-butoxy group, n-pentyloxy group, and n- A xyloxy group etc. are mentioned.
- the acyloxy group includes: acetoxy group, propionyloxy group, propanoyloxy group, n-propylcarbonyloxy group, isopropylcarbonyloxy group, n-butylcarbonyloxy group, propanoyloxy group, alicyclic hydrocarbon Oxy group; cyclopropyloxy group, cyclopropylmethyloxy, cyclo, hexyl group, norbornyloxy group, etc., alkenyloxy group; arryloxy group, etc., alkynoxy group; propargyloxy group, etc.
- Examples include oxyalkyl group, aralkyloxy S; vinyloxy group, zircoxy group, phenoxy group, etc., aromatic hydrocarbon oxy group; phenoxy group, naphthyloxy group, benzoyloxy group, and the like.
- substituents include strong lpoxyl group, amide group, imide group, ester group, hydroxyl group and the like.
- X is preferably a hydroxyl group, a halogen atom, an alkoxy group having 1 to 6 carbon atoms, an acyloxy group, or an isocyanate group, and more preferably an alkoxy group having 1 to 4 carbon atoms or an acyloxy group.
- m represents the valence of the metal atom M.
- n any integer of 1 to (m-1). In producing a high-density organic thin film, n is preferably 1.
- R 1 may be the same or different.
- X when (m-n) is 2 or more, X may be the same or different, but at least one X of (m-n) X is a hydrolyzable group .
- R 4 represents an alkylene group, a vinylene group, an ethynylene group, an arylene group, or a divalent functional group containing a silicon atom and / or an oxygen atom.
- functional groups represented by the following formula can be exemplified.
- a and b represent an arbitrary natural number of 1 or more.
- Y is a hydrogen atom; a methyl group, an ethyl group, an n-propyl group, an isopropyl group, n a butyl group, an isoptyl group, a sec-butyl group, a t-butyl group, an n-pentyl group, Alkyl groups such as isopentyl group, neopentyl group, t-pentyl group, n-hexyl group, isohexyl group; methoxy group, ethoxy group, n-propoxy group, isopropoxy group, n-butoxy group, sec-butoxy Group, t-butoxy group, n-pentyloxy group, n-hexyloxy group and the like alkoxy group; fluorine-containing alkyl group in which part or all of hydrogen atoms are substituted with fluorine atoms; or alkoxy group A fluorine-containing alkoxy group in which a part
- r represents 0 or an integer of 1 to (m ⁇ 2). In order to produce a high-density adsorption film, it is preferable that r is 0. When r is 2 or more, Y may be the same or different from each other, and when (m—r—1) is 2 or more, X may be the same or different from each other. However, at least one X out of (m—r—1) X is a hydrolyzable group.
- Etc. can be illustrated as one of the preferable embodiments.
- g, s, t, II, v, and w represent arbitrary integers, and particularly preferable ranges are as follows: g is 1 to 25, s is 0 to 12, t is 1 to 20, u is Examples are 0 to 12, v is 1 to 20, and w is 1 to 25.
- the compound represented by the formula (I) include those shown below.
- compounds in which the metal atom M is a key atom are shown as representative examples, but the present invention is not limited to these.
- the hydrolyzable group is not limited to the exemplified functional groups, and may be one in which another hydrolyzable group is bonded.
- the catalyst contained in the solution (a) capable of interacting with the metal-based surfactant includes a metal part or a hydrolyzable group part of the metal-based surfactant, via a coordination bond, a hydrogen bond, etc.
- the catalyst is not particularly limited as long as it has a function of activating a hydrolyzable group or a hydroxyl group by promoting interaction to promote condensation.
- metal oxides; metal hydroxides; metal alkoxides; chelated or coordinated metal compounds; metal alkoxides partially hydrolyzed products; metal alkoxides are treated with twice or more equivalent water.
- the hydrolysis product obtained in this manner at least one compound selected from the group consisting of: organic acids; silanol condensation catalysts; and soot catalysts; Xoxides and metal alkoxide partial hydrolysis products are more preferred.
- hydrolysis products and silanol condensation catalysts obtained by treating with two or more equivalents of water but titanium, zirconium, aluminum, silicon, germanium, indium, tin, tantalum, It is preferably at least one selected from the group consisting of zinc, tungsten and lead, more preferably titanium, zirconium, aluminum or silicon, and particularly preferably titanium.
- the gold oxide can be used in any state such as sol, gel, and solid.
- the method for producing the gel or sol is not particularly limited. For example, when silica sol is taken as an example, a method of cation exchange of a sodium silicate solution, a method of hydrolyzing silicon alkoxide, and the like can be exemplified.
- a sol that is stably dispersed in an organic solvent is preferable.
- a sol having a particle diameter in the range of 10 to 100 nm, more preferably in the range of 10 to 20 nm is preferable.
- the shape of the sol is not particularly limited, and any shape such as a spherical shape or an elongated shape can be used. ⁇
- the Methanonyl Silly Sol sol- In the real body 3 ⁇ 4, the Methanonyl Silly Sol sol-, IPA mono-ST, IPA-ST-UP, IPA-ST-, ZL, NP C-ST-30, DMAC-ST, MEK-ST, MI BK-ST , XBA-ST, PMA-ST (all of which represent the product names of organosilica sol manufactured by Nissan Chemical Industries, Ltd.).
- the amount of the metal oxide to be used is not particularly limited as long as it does not affect the formed chemical adsorption film, but it is particularly preferable to use a catalytic amount with respect to the metal-based surfactant. It is preferably used in the range of 0.001 to 1 mol, more preferably 0.001 to 0.2 mol in terms of oxide per mol of activator. These metal oxides can be used alone or in combination of two or more.
- any metal hydroxide may be used as long as it is a metal hydroxide. Examples of the method for producing the metal hydroxide include a method of hydrolyzing the metal alkoxides described later, a method of reacting a metal salt with the metal hydroxide, and the like.
- metal hydroxide can be used after being purified if desired.
- the number of carbon atoms of the alkoxy group of the metal alkoxide is not particularly limited, but 1 to 4 carbon atoms are more preferable in view of the concentration of contained oxides, ease of detachment of organic substances, and availability.
- Specific examples of the metal alkoxides used in the present invention include S i (OCH 3 )
- Tungsten alkoxides such as 6 , W (OC 2 H 5 ) 6 , W (OC 3 H 7 -i) 6 , W (OC 4 H 9 ) 6 ; Zinc such as Zn (OC 2 H 5 ) 2 Alkoxides, lead alkoxides such as P b ( ⁇ C 4 H 9 ) 4, etc.
- These metal alkoxides can be used alone or in combination of two or more. Is a complex alkoxide obtained by the reaction of two or more metal alkoxides as a metal alkoxide, and a reaction of one or two or more metal alkoxides with one or more metal salts. It is also possible to use a composite alkoxide obtained by the above and a combination thereof.
- Composite alkoxides obtained by reaction of two or more metal alkoxides include composite alkoxides obtained by reaction of alkali metal or alkaline earth metal alkoxides with transition metal alkoxides, and combinations of Group 3B elements. Examples thereof include composite alkoxides obtained in the form of complex salts.
- R and R ′ represent an alkyl group or the like.
- Examples of the composite alkoxide obtained by the reaction of one or more metal alkoxides with one or more metal salts include compounds obtained by the reaction of metal salts and metal alkoxides. .
- metal salts include chlorides, nitrates, sulfates, acetates, formates, and oxalates
- metal alkoxides include those similar to the metal alkoxides described above.
- the amount of the metal alkoxide to be used is not particularly limited as long as it does not affect the chemically adsorbed film to be formed.
- a catalytic amount with respect to the metal-based surfactant.
- 0.001 to 1 mol or 0.001 to 0.2 mol, or 0.001 to 1 mol in terms of oxides, and 0.001 to 1 mol of activator. It is preferably used in the range of ⁇ 0.2 mol.
- These metal alkoxides can be used alone or in combination of two or more.
- the metal alkoxide partial hydrolysis product is obtained before the metal alkoxide is completely hydrolyzed.
- the metal alkoxide is a precursor of a metal oxide sol or an oligomer present as an oligomer. be able to.
- a dispersoid having a property of being stably dispersed without aggregation in an organic solvent in the absence of an acid, a base, and Z or a dispersion stabilizer can be preferably exemplified.
- the dispersoid refers to fine particles dispersed in the dispersion system, and specific examples include colloidal particles.
- the state of stable dispersion without agglomeration means that in the absence of an acid, a base and / or a dispersion stabilizer in an organic solvent, the dispersoid of the hydrolysis product aggregates and becomes heterogeneous. Represents a state of no separation, Preferably it represents a transparent and homogeneous state.
- Transparent means high visible light transmittance.
- concentration of dispersoids is 0.5% by weight in terms of oxide, and the optical path length of Ishihide cell is 1 cm.
- spectral transmittance measured under the condition that the sample is an organic solvent and the wavelength of light is 550 nm, it preferably represents a transmittance of 80 to 100%.
- the particle size of the dispersoid of the hydrolysis product is not particularly limited, but in order to obtain a high transmittance in visible light, it is usually 1 to 100 nm, preferably 1 to
- a method for producing a partial hydrolysis product of a metal alkoxide 0.5 to 2. with respect to the above-exemplified metal alkoxide in an organic solvent in the absence of an acid, a base, and a dispersion stabilizer.
- a preferred example is a method of hydrolyzing in an organic solvent reflux temperature range from 100 ° C. using less than 0-fold moles of water.
- water is further added at a temperature not higher than the temperature at which hydrolysis starts, or not higher than 20 ° C. Reaction.
- the reaction of the metal alkoxide with water can be carried out by directly mixing the metal alkoxide with water without using an organic solvent, but it is preferable to carry out the reaction in an organic solvent.
- a method of adding water diluted with an organic solvent to an organic solvent solution of metal alkoxides; in an organic solvent in which water is suspended or dissolved, metal alkoxides Alternatively, the method of adding the organic solvent solution can be used, but the former method of adding water is preferable.
- the water to be used is not particularly limited as long as it is neutral, but it is preferable to use pure water or distilled water, and the amount thereof is not particularly limited as long as it is within the range specified above, and is arbitrarily determined depending on the dispersoid having the desired property. Can be selected.
- the concentration of the metal alkoxides in the organic solvent is not particularly limited as long as it suppresses rapid heat generation and has fluidity that can be stirred, but is usually in the range of 5 to 30% by weight.
- the reaction temperature between the metal alkoxides and water in the method (1) is not particularly limited, and is usually in the range of 1100 to 10100 ° C, preferably from 1200 ° C. It is the range of the boiling point of the solvent or alcohol released by hydrolysis.
- the water addition temperature in the above method (2) depends on the stability of the metal alkoxide, and is not particularly limited as long as it is not higher than the hydrolysis start temperature or 0 ° C or lower. Depending on the type, it is preferable to add water to the metal alkoxide in a temperature range of 150 ° C. to 1100 ° C. Further, after adding water at a low temperature and aging for a certain period of time, it can be hydrolyzed at the reflux temperature of the solvent used from room temperature, and further subjected to a dehydration condensation reaction.
- the reaction of the metal alkoxides with water in the method (3) above can be carried out at a temperature range in which cooling is possible without using a special cooling device, for example, at a temperature range of 0 ° C to room temperature. It can be carried out by controlling the hydrolysis rate by a method other than temperature such as controlling. After aging for a certain period of time, hydrolysis can be performed from room temperature to the reflux temperature of the solvent used, and a dehydration condensation reaction can also be performed.
- the hydrolysis product of the metal alkoxide in the organic solvent can be dispersed as a dispersoid, and the reaction of treating the metal surfactant with water is performed at a low temperature. Therefore, a solvent that has high water solubility and does not solidify at a low temperature is more preferable.
- organic solvent to be used examples include alcohol solvents such as methanol, ethanol and isopropanol; octalogized hydrocarbon solvents such as methylene chloride, black mouth form and black mouth benzene; hexane, cyclohexane, Benzene, toluene, key Hydrocarbon solvents such as silene; Ether solvents such as tetrahydrofuran, jetyl ether and dioxane; Ketone solvents such as acetone, methyl ethyl ketone and methyl isobutyl ketone; Amides such as dimethylformamide and N-methylpyrrolidone Solvents; sulfoxide solvents such as dimethyl sulfoxide; silicones such as methylpolysiloxane and methylphenylpolysiloxane (Japanese Patent Application Laid-Open No. Hei 9-20884) and the like.
- alcohol solvents such as methanol, ethanol and iso
- solvents can be used alone or in combination of two or more.
- a combination of a hydrocarbon solvent such as toluene or xylene and a lower alcohol solvent system such as methanol, ethanol, isopropanol, or t-butanol is preferable.
- the lower alcohol solvent it is more preferable to use a secondary or higher alcohol solvent such as isopropanol or t-butyl alcohol.
- the mixing ratio of the mixed solvent is not particularly limited, but it is preferable to use a hydrocarbon solvent and a lower alcohol solvent in a volume ratio of 99 1 to 50 50 50.
- an acid, a base, or a dispersion stabilizer may be added.
- Acids and bases are produced as a deflocculant for re-dispersing the precipitate formed by condensation, and as a catalyst for producing dispersoids such as colloid particles by hydrolyzing and dehydrating metal alkoxides.
- dispersoids such as colloid particles by hydrolyzing and dehydrating metal alkoxides.
- the acid or base is used as a deflocculant for redispersing the precipitate formed by condensation, and as described above, metal alkoxides and the like are hydrolyzed and dehydrated to form a dispersoid such as colloidal particles.
- the catalyst is not particularly limited as long as it functions as a catalyst for production and as a dispersant for the produced dispersoid.
- acids used include mineral acids such as hydrochloric acid, nitric acid, boric acid, and borofluoric acid, acetic acid, formic acid, oxalic acid, carbonic acid, trifluoroacetic acid, p-toluenesulfonic acid, methanesulfonic acid, and other organic acids; Photoacid generators that generate acid upon irradiation with light, such as rhododonium hexafluorophosphite and triphenylphosphonium hexafluorophosphine.
- the base used include triethanolamine, triethylamine, 1,8-diazabicyclo [5.4.0] -17-undecene, ammonia, dimethylformamide, and phosphine.
- the dispersion stabilizer is an agent having the effect of stably dispersing the dispersoid in the dispersion medium, and examples thereof include anti-caking agents such as a deflocculant, a protective colloid, and a surfactant.
- polyhydric carboxylic acids such as glycolic acid, darconic acid, lactic acid, tartaric acid, citrate, malic acid, and succinic acid; hydroxycarboxylic acids; phosphoric acids such as pyrophosphoric acid and tripolyphosphoric acid; acetylacetone, methyl acetoacetate Acetyl acetate, n-propyl acetate, isopropyl acetate, n-butyl acetate, sec-butyl acetate, t-butyl acetate, 2,4-hexanedione, 2,4 heptane— Multidentate ligand compounds with strong chelating ability to metal atoms such as dione, 3,5-heptanedione, 2,4-octanedione, 2,4-nonanedione, 5-methyl-hexanedione; 3000, 90.00, 17000, 20 000, 24000 (above, manufactured by Zeneca), D isperb
- the amount of the metal alkoxide partial hydrolysis product to be used is not particularly limited as long as it does not affect the formed organic thin film, but it is particularly preferable to use a catalytic amount with respect to the metal surfactant. It is preferably used in the range of 0.001 to 1 mol, more preferably 0.001 to 0.2 mol in terms of oxide per mol of the metal-based surfactant. These metal alkoxide partial hydrolysates can be used alone or in combination of two or more.
- the metal alkoxide hydrolysis product used in the present invention is a product obtained by hydrolysis with water at least twice as much as the metal alkoxide.
- the water splitting product has a metal alkoxide equivalent to twice the equivalent of the metal alkoxide. Even when the metal alkoxides are obtained by hydrolysis with the above water, partial hydrolysis of the metal alkoxides with water less than twice the equivalent of the metal alkoxides results in partial metal alkoxides. After obtaining the hydrolysis product, this partial hydrolysis product is further added to a predetermined amount of water (a total amount of water equivalent to the amount of metal alkoxides more than twice the amount of water used in the previous partial hydrolysis). It may be obtained by hydrolysis with water.
- the reaction between the metal alkoxide and water can be obtained by directly mixing the metal alkoxide and water without using an organic solvent.
- the metal alkoxide and water are mixed in the organic solvent. It is preferable to react.
- the water to be used is not particularly limited as long as it is neutral, but it is preferable to use pure water, distilled water or ion exchange water from the viewpoint of obtaining a dense organic thin film with few impurities.
- the amount of water used is 2 times equivalent or more, preferably 2.0 to 8 times equivalent, more preferably 3 to 5 times equivalent to the metal alkoxide.
- An example is a method in which a metal alkoxide or an organic solvent solution of a metal alkoxide is added to an organic solvent in which water is suspended or dissolved.
- the concentration of the metal alkoxides in the organic solvent is not particularly limited as long as it suppresses rapid heat generation and has a fluidity capable of stirring, but is preferably in the range of 5 to 30% by weight. .
- the hydrolysis product of the metal alkoxide in the organic solvent can be dispersed as a dispersoid, and specific examples thereof include the partial hydrolysis product of the metal alkoxide.
- hydrolysis product water, acid, base, dispersion stabilizer and the like other than the organic solvent can be used in the same manner as those used in the partial hydrolysis product, and are not limited.
- the hydrolysis reaction temperature of the metal alkoxide depends on the reactivity and qualitativeness of the metal alkoxide used, but is usually from 10 ° C to the reflux temperature of the organic solvent, preferably 1 100 ° C to -20 ° C. After adding water at a low temperature and aging for a certain period of time, the temperature of the reaction solution can be raised from room temperature to the reflux temperature of the solvent used to further carry out hydrolysis and dehydration condensation reactions.
- the chelated or coordinated metal compound can be prepared by adding a chelating agent or a coordination compound capable of forming a complex with the metal of the metal compound to a solution of the metal compound.
- chelating agents or coordination compounds include metal hydroxides, metal alkoxides, or metal alkoxides that are hydrolyzed or coordinated to the metal of the hydrolysis product obtained by treating with water. There is no particular limitation as long as it can form a complex.
- the chelating agent or coordination compound include acetic acid, propionic acid, butyric acid, saturated aliphatic carboxylic acids such as valeric acid, lauric acid, myristic acid, palmitic acid, stearic acid; oxalic acid, malonic acid Saturated aliphatic dicarboxylic acids such as succinic acid, dartaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sepacic acid; unsaturated carbon such as acrylic acid, methacrylic acid, crotonic acid, aleic acid, maleic acid Acids; Aromatic carboxylic acids such as benzoic acid, toluic acid, and phthalic acid; Halogenocarboxylic acids such as chloroacetic acid and trifluoroacetic acid;
- 8-diketones such as acetylacetone, benzoylacetone, and hexafluoroacetylacetone; ) 3-ketoesters such as methyl a
- the amount of the chelating agent or coordination compound added is 0.1 to 1 mol of metal hydroxide, metal alkoxide, or metal of the hydrolysis product obtained by treating the metal alkoxide with water. It is 10 times mole, preferably 0.3 to 2 times mole, more preferably 0.5 to 1.2 times mole.
- the solution of the metal complex can be obtained by thoroughly stirring the whole volume.
- the stirring temperature is usually in the temperature range from 0 ° C to the boiling point of the solvent used.
- the stirring time is usually several minutes to several hours.
- the chelated or coordinated metal compound an isolated one can be used, It can also be used as a solution of a chelated or coordinated metal compound obtained by adding a chelating agent or a coordination compound to a metal compound solution.
- the prepared solution of the metallized or coordinated metal compound can be stored.
- silanol condensation catalysts include carboxylic acid metal salts, carboxylic acid ester metal salts, carboxylic acid metal salt polymers, carboxylic acid metal salt chelates, titanate esters, and titanate ester chelates.
- silanol condensation catalysts include carboxylic acid metal salts, carboxylic acid ester metal salts, carboxylic acid metal salt polymers, carboxylic acid metal salt chelates, titanate esters, and titanate ester chelates.
- organic acids used in the present invention include formic acid, acetic acid, propionic acid, butyric acid, isobutyric acid, valeric acid, isovaleric acid, pivalic acid, hexanoic acid, octanoic acid, decanoic acid, lauric acid, myristic acid, palmitic acid Saturated aliphatic monocarboxylic acids such as acid and stearic acid; saturated aliphatic dicarboxylic acids such as oxalic acid, malonic acid, succinic acid, glutaric acid, and adipic acid; acrylic acid, propiolic acid, methacrylic acid, crotonic acid, isocrotonic acid Unsaturated aliphatic monocarboxylic acids such as oleic acid; Unsaturated aliphatic dicarboxylic acids such as fumaric acid and maleic acid; Aromatic carboxylic acids such as benzoic acid, 4-monobenzoic acid and na
- the p Ka value (logarithm of the reciprocal of the acid dissociation constant) is excellent because of its excellent ability to activate hydrolyzable groups of metal surfactants and ease of handling.
- An organic acid having 1 to 6 is preferable, and an organic acid having a pKa value of 2 to 5 is more preferable.
- the acid dissociation constant Ka can be accurately measured by potentiometry using various electrodes such as a glass electrode, a metal electrode, a metal amalgam electrode, a redox electrode, and an ion selective electrode.
- various electrodes such as a glass electrode, a metal electrode, a metal amalgam electrode, a redox electrode, and an ion selective electrode.
- Ka value may differ by ⁇ 0.3 depending on measurement conditions.
- the acid dissociation constants K a or pK a values of various organic acids are as follows: AE Marte 1 1, RM Sm ith, Critica 1 Stability Constants, Vo l. 1, 2, 3, 5, P le num Press (1974, 1975, 1977, 1982).
- the acid medium examples include mineral acids such as hydrochloric acid, nitric acid, boric acid, and hydrofluoric acid, and organic acids such as acetic acid, formic acid, oxalic acid, carbonic acid, trifluoroacetic acid, p-toluenesulfonic acid, and methanesulfonic acid.
- a photoacid generator that generates an acid upon irradiation with light, specifically, diphenylphosphine hexafluorphosphine, triphenylphosphonium hexafluoro An example is Hosueichi.
- the metal surfactant having at least one hydroxyl group in the solution (b) is not particularly limited as long as it has at least a hydroxyl group and a hydrophobic group in the same molecule.
- the compound represented by the formula (III) can be preferably exemplified.
- R 1 , M, X, n and m represent the same meaning as described above.
- (m-n 1 1) is 2 or more, Xs may be the same or different.
- the solution (b) may contain a catalyst capable of interacting with the metal surfactant in addition to the metal surfactant having at least one hydroxyl group.
- a catalyst capable of interacting with the metal surfactant in addition to the metal surfactant having at least one hydroxyl group.
- examples of such a catalyst include the same catalysts as those used in the solution (a).
- Examples of the compound represented by the formula (III) include the compounds shown below. A representative example is a compound using a silicon atom as the metal atom M. ⁇
- a hydrocarbon solvent As the organic solvent used in the solution (a) and the solution (b), a hydrocarbon solvent, a fluorocarbon solvent, and a silicone solvent are preferable, and a hydrocarbon solvent is more preferable. Of these, those having a boiling point of 100 to 250 ° C are particularly preferred.
- Hydrocarbon solvents CB r 2 C l CF 3 , CC 1 F 2 CF 2 CC 1 3 , CC 1 F 2 CF 2 C HFC 1, CF 3 CF 2 CHC 1 2 , CF 3 CB r FCB r F 2 , CC 1 F 2 CC 1 FCF 2 CC 13, CI (CF 2 CFC 1) 2 C 1, CI (CF 2 CFC 1) 2 CF 2 CC 1 3 , CI (CF 2 CFC 1) 3 C 1 Fluorocarbon solvents such as Fluorinate (product of 3M) and Afludo (product of Asahi Glass); Silicone solvents such as dimethyl silicone, phenyl silicone, alkyl-modified silicone, and polyether silicone. These solvents can be used alone or in combination of two or more.
- the content of the metal surfactant in the organic solvent solution is not particularly limited, but in order to produce a dense monomolecular film in either case of solution (a) or solution (b), 0 A range of 1-30% by weight is preferred.
- Mako when using solution (a), can interact with metal surfactant
- the amount of the catalyst used is not particularly limited as long as it does not affect the physical properties of the monomolecular organic thin film to be formed.However, it is usually 0 in terms of moles of oxide per mole of the metal surfactant. The amount is from 0 to 1 mol, preferably from 0.01 to 0.2 mol.
- the method for producing an organic thin film of the present invention includes a step of bringing a substrate into contact with the solution (a) or the solution (b) (hereinafter collectively referred to as “organic solvent solution”), and the water in the solution
- the quantity is within a predetermined range or maintained.
- the amount of water in the organic solvent solution is determined by the type of substrate used, metal surfactant, catalyst, organic solvent, and the like. Specifically, chemical adsorption on the substrate surface is inhibited, dense monomolecular film cannot be produced, loss of metal surfactant used is large, catalyst is deactivated, etc. Less than the amount and more than the amount sufficient to promote activation of film formation.
- the amount sufficient to promote the formation of the film is a dense and homogeneous organic material with a contact time of 10 minutes or less, preferably 5 minutes or less.
- the degree to which a thin film can be formed on the entire surface of the substrate at once Specifically, 50 ppm or more is preferable, and the range of saturated water content from 50 ppm to the organic solvent, more specifically, the range of 50 to 100 ppm is more preferable, and 200 to A range of 800 ppm is particularly preferred. If the water content is 50 ppm or more, an organic thin film can be formed quickly, and if the water content is 100 ppm or less, metal surfactants are deactivated. There is no.
- the amount of water shown here is a value obtained by collecting a part of the organic solvent solution and measured by the Karl Fischer method. It is not limited. If the organic solvent solution is uniform, a part of the uniform solution is collected and measured. If the organic solvent layer and the moisture layer are two layers, a part of the organic solvent solution is collected from the organic solvent layer. If the water layer is dispersed in an organic solvent and cannot be separated, the measured value is obtained by collecting the dispersion as it is.
- Examples include a method of adding a catalyst capable of interacting with a metal surfactant to an organic solvent solution of the metal surfactant and water.
- the water added in the method (1) and the catalyst added in the method (2) are preferably diluted with an organic solvent.
- the amount of the catalyst that can interact with the metal-based surfactant is such that the catalyst is a metal oxide, a metal hydroxide, a metal alkoxide, a chelated or coordinated metal compound, or a metal alkoxide partially hydrolyzed. If the product is a hydrolysis product obtained by treating a metal alkoxide with water at least twice as much as the metal alkoxide, the amount does not affect the physical properties of the monomolecular organic thin film to be formed.
- the catalyst capable of interacting with the metal surfactant is an organic acid, it is usually 0.001 to 100 mol, preferably 0.001 to 1 mol of the metal surfactant. ⁇ 10 moles.
- the organic thin film production solution of the present invention can be obtained by stirring a mixture of the metal surfactant, organic solvent, catalyst capable of interacting with the metal surfactant, and water.
- the stirring temperature is usually from 100 ° C to + 100 ° C, preferably from 20 ° C to 1050 ° C.
- the stirring time is usually from several minutes to several hours.
- precipitates containing metal oxides and the like may be formed. Impurities such as these precipitates are used to obtain a dense monomolecular organic thin film without impurities. It is preferable to remove it here. Precipitates can be easily removed by operations such as filtration and decantation.
- the predetermined amount range has the same meaning as the predetermined range of the moisture amount described above, and by maintaining the moisture amount in such a range, even if the step of contacting without changing the liquid is repeated several times, A homogeneous organic thin film can be formed. Using the same solution, a dense and homogeneous organic thin film can be formed in a short contact time on the entire contacted surface by a single contact process operation on two or more substrates.
- the same solution means a case in which all or a part of the solution is discarded and replaced with a new solution after a single contact step operation is performed.
- the solution that keeps the amount of water within the specified range shall be included as the same solution.
- the water used is not particularly limited as long as it is neutral, but it is preferable to use pure water or distilled water.
- the organic solvent used may be anhydrous or may contain a certain amount of moisture in advance. .
- the aqueous layer when an organic solvent that separates from the aqueous layer, such as a hydrocarbon solvent, is used, the aqueous layer may coexist in a form separated from the organic solvent layer.
- An organic solvent layer separated by circulating or passing the solution through the aqueous layer may be used.
- an organic solvent with high water solubility that does not separate from the aqueous layer such as a lower alcohol
- a method in which the organic solvent solution and the aqueous layer are brought into contact with each other through a membrane that does not penetrate the organic solvent but penetrates the water. Etc. can be illustrated.
- the water-retaining substance is preferably a substance that does not separate water in the organic solvent solution and does not float in the organic solvent solution.
- ingredients & organic water-retaining materials such as water-absorbing polymers; zeolite, silicate white clay, vermi Inorganic water-retaining materials such as Curai lees and porous ceramics; Surfactants and other compounds that can form micellar molecules with water as a core in the solution; A glass fiber filter is particularly preferable because it can be avoided.
- a water-retaining substance a compound capable of forming a micelle molecule having water as a nucleus in the solution, specifically, a surfactant or the like can be exemplified. It is preferable to coexist in.
- hydrophilic solvent in order to increase the solubility of water in an organic solvent.
- the hydrophilic solvent in this case is included as a substance that can be retained for convenience.
- the amount of water contained in the water-retaining substance is not particularly limited, but the amount of water until the water is separated from the water-retaining substance and not released in the organic solvent solution is preferable. It can also be added to substances that can retain water by adding water in a timely manner. In addition, by providing a water-retaining substance in the solution at the interface between the solution and the outside air or continuously from the outside air, moisture can be supplied to the solution by absorbing moisture from the outside air.
- the gas used is not particularly limited as long as it does not affect each component in the solution.
- Specific examples include air, nitrogen gas, and argon gas. can do.
- Examples of a method for obtaining a gas containing moisture include a method of adding moisture to the gas; a method of humidifying the gas; and the like.
- Examples of methods of adding moisture to the gas include methods of bringing water into contact with gas, such as submerging gas in water, bringing gas into contact with water or hot water surface; using gas containing water vapor as it is; can do.
- Examples of the method for humidifying the gas include a steam humidification method, a water spray humidification method, and a vaporization heating method.
- a method of bringing the moisture-containing gas into contact with the organic solvent solution a method involving blowing a moisture-containing gas into the organic solvent solution or spraying it onto the surface of the organic solvent solution; the organic solvent solution in a gas atmosphere containing moisture
- Examples include a method of leaving the organic solvent solution with stirring as necessary; a method of leaving the organic solvent solution under a humidified atmosphere with stirring as necessary ii; and the like.
- a blowing device, a cleaning device, a filtration device, etc. as necessary.
- a decrease in the amount of water in the organic solvent solution is observed.
- water, a compatible organic solvent, or the same organic solvent is used.
- examples thereof include a method of appropriately adding diluted water; a method of supplying an organic solvent solution having the same composition containing a certain amount of water; and the like.
- the substrate used in the organic thin film production method of the present invention is not particularly limited, but a substrate having a functional group capable of interacting with molecules forming the organic thin film in the organic solvent solution is preferable, and active hydrogen is particularly preferable.
- a substrate having a surface is preferable. When a substrate having active hydrogen on the surface is used, a chemically adsorbed film can be easily formed on the substrate surface by chemical interaction between active hydrogen on the substrate surface and molecules in the organic solvent solution.
- Active hydrogen refers to those that are prone to dissociate as protons.
- substrates having hydroxyl groups on the substrate surface include metals such as aluminum, copper, and stainless steel; glass; silicon wafers; ceramics; plastics; paper; natural fibers or synthetic fibers; leather; And the like. Of these, a substrate made of metal, glass, silicon wafer, ceramics, and plastic is preferable.
- the substrate surface is pretreated in a plasma atmosphere containing oxygen (for example, 10 W at 20 minutes) or corona treated.
- a hydrophilic group can be introduced.
- Substrates made of polyamide resin or polyurethane resin have imino groups on the surface, and the active hydrogen of the memino group and the alkoxysilyl group of the metallic surfactant undergo a dealcoholization reaction, resulting in a siloxane bond (- Since S i 0-) is formed, no special surface treatment is required.
- Si C l 4 , Si HC 1 3 , Si H 2 C 1 2 , CI— (Si C 1 2 O ) Contacted with at least one compound selected from b -S i C 1 t (where b is a natural number) Thereafter, a silica underlayer having active hydrogen on the surface can be formed by dehydrochlorination.
- the method for bringing the organic solvent solution into contact with the substrate is not particularly limited, and a known method can be used. Specific examples include a dip method, a spin coat method, a spray method, a mouth-la coat method, a Meyaba method, a screen printing method, a brush coating method, and the like. Among these, the dip method is preferable.
- the step of bringing the organic solvent solution into contact with the substrate may be performed for a long time at a time or may be performed in a short time by dividing it into several times. Ultrasound can also be used to promote film formation.
- the temperature to be contacted is not particularly limited as long as the solution can maintain stability, but is usually in the range from room temperature to the reflux temperature of the solvent used for preparing the solution.
- the solution may be heated or the substrate itself may be heated.
- the step of bringing the substrate into contact with the organic solvent solution is preferably a step of dipping the substrate in the organic solvent solution. As a method of immersing the substrate while maintaining the amount of water in the organic solvent solution, specifically,
- a step (B) of washing the substrate surface can be provided in order to remove excess reagents and impurities attached to the film surface.
- the film thickness can be controlled.
- the cleaning method is not particularly limited as long as it can remove surface deposits.
- the substrate is immersed in a solvent capable of dissolving the metal-based surfactant; Examples thereof include a method of evaporating by leaving in the air under pressure; a method of blowing off an inert gas such as dry nitrogen gas and the like; .
- a step (C) of heating the substrate can be provided.
- the step (C) of heating the substrate is preferably provided after the cleaning step (B).
- the heating temperature can be appropriately selected depending on the stability of the substrate and the film.
- the step of bringing the substrate into contact with the organic solvent solution is preferably performed in a space where the humidity is maintained at 40% RH or higher, and is performed in a space where the humidity is maintained at 60% RH or higher. Is more preferable. In such a space, the amount of water in the organic solvent solution is more preferably maintained, and a dense monomolecular film with good reproducibility can be formed even when the substrate is continuously contacted.
- the organic thin film production method of the present invention can be used for the production of a monomolecular film as well as for the production of a multilayer film of two or more layers. It can also be used as a method of forming a film on the surface by physical adsorption.
- the storage method of the solution used in the method for producing an organic thin film of the present invention includes: ( ⁇ ) a metal-based surfactant having at least one hydrolyzable group, and a catalyst capable of interacting with the metal-based surfactant, or () 3)
- a metal-based surfactant having at least one hydrolyzable group By treating an organic solvent solution containing a metal-based surfactant having at least one hydroxyl group with water, the water content in the organic solvent solution is within a predetermined range, and Examples thereof include a method of keeping the moisture amount within a predetermined amount range and sealing the inside of the container. Examples of the method of keeping the water content in the organic solvent solution within the predetermined amount range and keeping the water content in the organic solvent solution within the predetermined amount range include the same methods as described above.
- the amount of water in the organic thin film production solution of the present invention affects the ability to form an organic thin film, it is preferable to keep the amount of water in the solution within a predetermined range even during storage.
- the solution for forming a self-assembled film of the present invention is characterized in that the molecules forming the self-assembled film form an aggregate in the solution.
- organic thin film production solution An organic solvent solution whose amount of syrup is within a specified range (hereinafter referred to as “organic thin film production solution”) #2.
- organic thin film production solution An organic solvent solution whose amount of syrup is within a specified range
- the resulting organic thin film is a self-assembled film (the solution for producing an organic thin film in this case is called a self-assembled film forming solution). ).
- R u , M ⁇ n are all the same meanings as 1 , M, n and m in the formula (I).
- R 21 , R 31 , R 41 , M 2 , Y 2 , m 2 , and r 2 are the same as those in the formula (X) except that X 2 represents a hydroxyl group or a hydrolyzable group.
- X 1 and X 2 do not necessarily have a hydrolyzable group.
- a hydroxyl group-containing compound such as a compound represented by the above formula ( ⁇ ) can also be listed.
- the “self-assembled film” means a film formed with an ordered structure without external forcing.
- the metal-based surfactant molecules are not solvated by the solvent in the self-assembled film forming solution but exist alone, and some of them gather together to form an aggregate.
- the aggregate is obtained by combining the metal surfactant with the metal surfactant.
- a metal surfactant having at least one hydroxyl group is used as the metal surfactant, the aggregate is obtained by treating with an interactive catalyst and water. The metal surfactant is obtained by treating with water.
- the form of the aggregate is as follows: molecules are assembled together by hydrophobic forces or between hydrophilic parts by intermolecular forces, coordination bonds, hydrogen bonds, etc .; the molecules forming the membrane are bound by covalent bonds A form in which another medium such as water forms micelles as a nucleus or mediator, or a form in which these are combined;
- the shape of the aggregate is not particularly limited, and may be any shape such as a sphere, a chain, or a band.
- the average particle size of the aggregate is not particularly limited, but a range of 10 to 100 nm is preferable.
- the value of the zeta potential (electrokinetic potential) of the aggregate is preferably larger than the value of the zigzag potential of the substrate in the same solvent. It is particularly preferred that the aggregate overnight potential is positive and the substrate overnight potential is negative. Like this
- -A dense monomolecular film having crystallinity can be produced by using a solution for forming a self-assembled film that forms an aggregate having a ter potential.
- the chemical adsorption film of the present invention is a chemical adsorption film formed on a substrate, wherein the substrate does not have crystallinity, and the chemical adsorption film has crystallinity. In other words, it has crystallinity regardless of whether the substrate is crystalline or not. In this case, the crystallinity may be polycrystalline or single crystal.
- the method for producing a monomolecular film of the present invention comprises a dipping method, a spin coating method, a roll coating method, a Maypa method, a screen printing method, an offset printing method, a brush coating method, and a spray method. Characterized in that it has a step of coating on the surface of the base material by at least one method selected from the group, and in this step, a metal having a hydrocarbonoxy group or an acyloxy group as a hydrolyzable group on the substrate. It is characterized in that a solution containing a surfactant is dropped, and a pressure is applied to the dropped solution from above to diffuse it onto the substrate. There are no particular restrictions on the amount, location, etc. of the dripping, and it can be appropriately selected according to the location and area where the monomolecular film is formed.
- the method of applying pressure to the dropped solution from the upper part is not particularly limited as long as it is a method of applying pressure from the upper part of the liquid so that the dropped liquid diffuses on the substrate.
- a film is applied to the surface of the substrate.
- An example is a method in which sheets or flat plates are stacked and rolled with a roller or the like.
- the solution containing the metal surfactant is preferably an organic solvent solution further containing a catalyst for activating the hydrolyzable group of the metal surfactant.
- FIG. 1 shows thin-film X-ray crystal diffraction patterns of organic thin films SAM-2 5 to SAM-2 7.
- the figure shows that in the process of forming SAM-2 27, the immersion time (a) is less than 1 second, (b) The SPM chart of the organic thin film obtained as 15 seconds, (c) 30 seconds, and (d) 1 minute is shown.
- Figure 3 shows the SPM chart of the organic thin film obtained in the process of forming SAM-31, with immersion time (a) 1 second or less, (b) 15 seconds, (c) 1 minute, and (d) 5 minutes. Indicates. Best Mode for Carrying Out the Invention:
- A-1 purity 99%, titanium oxide equivalent concentration 28.2 wt%, manufactured by Nippon Soda Co., Ltd.
- the liquid temperature in the flask was maintained at 80 to 70 ° C.
- the mixture was stirred for 30 minutes while cooling and then heated to room temperature while stirring to obtain a colorless and transparent partial hydrolysis solution (C-11) having a titanium oxide equivalent concentration of 5% by weight.
- titanium tetraisopropoxide (A-1: purity 99%, titanium oxide equivalent concentration 28.2 wt%, manufactured by Nippon Soda Co., Ltd.) 53 0 g to 1960 g of toluene Dissolved and cooled to 115 ° C in an ethanol dry ice bath.
- Titanium tetraisopropoxide (—1: purity 99.9%, titanium oxide equivalent concentration 28% by weight, manufactured by Nippon Soda Co., Ltd.) 1 7. 79 g (62.6 mm o 1) and dehydrated toluene 65. 31 g was dissolved by mixing and stirring in a flask under a liquid temperature of 18 and a nitrogen gas atmosphere.
- silica sol (I PA-ST-S, 25% by weight, manufactured by Nissan Chemical Industries, Ltd.) dispersed in isopropanol (I PA) is dispersed in dehydrated toluene, and a dispersion liquid (C-4) with a silica equivalent concentration of 1% by weight is dispersed. )
- Tetrakis (trimethylsiloxy) titanium (Ge 1est) was dissolved in dehydrated toluene to obtain a catalyst solution (C-6) having a concentration of 1% by weight.
- a partially hydrolyzed solution (C-7) was obtained in the same manner as in Catalyst Preparation 1-1 except that ion-exchanged water was added dropwise at 140 ° C.
- M-1 n-octadecyltrimethoxysilane (OD S): G e 1 est
- ODHS n-octadecyltrihydroxysilane
- Ion exchange water was added to dehydrated toluene and stirred vigorously to prepare the water-containing toluene shown in Table 1.
- metal surfactant M-1 was added to a final concentration of 0.5% by weight and stirred at room temperature for 30 minutes.
- a predetermined amount of catalyst C 1-1 (1-4) as shown in Table 1 is dropped into this solution. Obtained.
- Metallic surfactant M-1 was added to water-containing toluene having a water content of 3500 ppm so that the final concentration was 0.5% by weight, and the mixture was stirred at room temperature for 30 minutes. A predetermined amount of catalyst C-1 to C-4 was dropped into this solution, and the mixture was stirred at room temperature for 3 hours. Transfer 100 g of these solutions to a jar and add 3 cm diameter glass fiber filter paper (GA-1 100, Toyo Filter Paper Co., Ltd.) was sunk on the bottom of the bottle and capped. The solution (SA-1 1 to SA-14) was obtained after standing at room temperature for 2 hours.
- GA-1 100 3 cm diameter glass fiber filter paper
- Metallic surfactant M-1 was added to water-containing toluene having a water content of 350 ppm so that the final concentration was 0.5% by weight, and the mixture was stirred at room temperature for 30 minutes.
- the solution of catalyst C one l to c one 7 was dropped a predetermined amount, after the completion of the dropwise addition, the mixture was stirred for 3 hours at room temperature.
- Ion exchange water was added to dehydrated toluene, and the mixture was vigorously stirred to prepare water-containing toluene having a water content of 1 O 2 O p pm.
- Metal surfactant M-1 was added to this solution so that the final concentration was 0.5% by weight, and the mixture was stirred at room temperature for 30 minutes.
- a predetermined amount of catalyst C-13 shown in Table 1 was dropped into this solution, and the mixture was stirred at room temperature for 3 hours. Transfer 100 g of these solutions to a bottle, add 1 Og of ion-exchanged water, cap and lightly stir for 5 minutes to avoid emulsification at 25 ° C. S A-20) was obtained. Water was separated into the lower layer after stirring.
- Metal surfactant M-12 was added to tetrahydrofuran (THF) having a water content of 400 ppm so that the final concentration was 0.5% by weight, and the mixture was stirred at room temperature for 3 hours. 100 g of this solution was transferred to a bottle, and 3 cm diameter glass fiber filter paper (GA — 100, manufactured by Toyo Filter Paper Co., Ltd.) with sufficient water was sunk on the bottom of the bottle and capped. The solution (SA-26) was obtained by allowing to stand at room temperature for 2 hours.
- THF tetrahydrofuran
- a solution for organic thin film production (R-1 to R-6) for the fe example was prepared as follows.
- R-1 Prepared in the same manner as in Preparation Method 1 of Organic Thin Film Manufacturing Solution except that ion-exchanged water was not added.
- R-2 to R-4 Ion exchange water was added to dehydrated toluene, and the mixture was vigorously stirred to prepare toluene having a water content of 100, 210, and 94 ppm.
- metal surfactant M-1 was added to a final concentration of 0.5% by weight and stirred at room temperature for 30 minutes.
- a predetermined amount of Catalyst C-12 was dropped into this solution, and after completion of the dropping, the solution was stirred at room temperature for 3 hours.
- R-5 Prepared in the same manner as in Preparation Method 1 of Organic Thin Film Manufacturing Solution, except that no catalyst was added.
- R-6 Metal surfactant M-1 was dissolved in dehydrated toluene, stirred for 30 minutes at room temperature, then added with catalyst C-5 dropwise, and stirred for 3 hours at room temperature.
- the amount of water before treatment is the amount of water in toluene for SA-1 to SA-10, Rl to R-6, and the glass fiber filter paper for SA-1 to SA-14.
- the organic thin film was ultrasonically cleaned in water for 1 hour, the contact angle was measured again, compared with the value before ultrasonic cleaning, and the same value was evaluated as ⁇ and the value decreased as X. ⁇ Film thickness>
- the film thickness of the obtained organic thin film was measured with a multi-incidence angle spectroscopic ellipsometer (manufactured by Woollam).
- the crystallinity of the obtained organic thin film was measured with a thin film X-ray diffractometer (ATX-G, manufactured by RI GAKU).
- Fig. 1 shows the X-ray diffraction patterns of SAM-25 to SAM-27. From Fig. 1, it was found that the obtained organic thin film showed good crystallinity with a surface spacing of about 4.1 A. From the above, it was found that the molecules constituting the film are regularly packed at a high density, and a crystalline monomolecular film can be formed at a very high speed even on an amorphous substrate such as a glass substrate. .
- the immersion time was divided and the time course of the film formation process was measured by SPM of the substrate surface at each time.
- the SPM charts are shown in Fig. 2 and Fig. 3, respectively.
- Immersion time (a> 1 second or less, (b) 1 5 seconds, (c) 30 seconds, (d) SPM chart at 1 minute.
- the immersion time is (a) 1 It is a SPM chart in less than a second, (b) 15 seconds, (c) 1 minute, (d) 5 minutes.
- Figures 2 and 3 show that an organic thin film is gradually formed on the substrate with time. Also, from Fig. 2 (a), Fig. 3 (a), etc., it was suggested that the film grows not as a single molecule but as a unit of an aggregate. .
- the particle size of the aggregate was measured and found to be about 50 nm in Fig. 2 and about 200 nm in Fig. 3. There was a good correlation between the aggregate size and the particle surface area calculated from the size of the particles in the organic thin film production solution (SAM-27: 42 nm, SAM-31: 150 nm). .
- the aggregate of molecules forming the self-assembled film in the organic thin film production solution is the unit of growth of the organic thin film that grows densely at high speed.
- the liquid temperature in the flask was maintained at 160 to 50 ° C. After completion of dropping, the mixture was stirred for 5 minutes while cooling, then stirred at 40 ° C for 1 hour, and then heated to room temperature to obtain a colloidal solution.
- titanic acid titanium hydroxide, manufactured by Mitsuwa Chemicals Co., Ltd.
- 2 Omg titanic acid (titanium hydroxide, manufactured by Mitsuwa Chemicals Co., Ltd.) 2 Omg was added in the same manner, and the suspension was immersed in an ultrasonic bath for 1 hour. A liquid was obtained. Thereafter, the insoluble content was removed by filtration to obtain an organic thin film production solution (S A-102).
- Metal surfactant M-1 was added to water-containing toluene having a water content of 350 pm so that the final concentration of ODS was 0.5% by weight and stirred at room temperature for 30 minutes.
- To this solution add 1 wt% dehydrated toluene solution (T 1-8) of tetrakis (titanium methyl) Titanium (manufactured by AZMAX Co.) to the number of moles of OD S: the number of moles of titanium oxide in (T 1 8).
- T 1 8 dehydrated toluene solution
- the alkali-free glass substrate product number: AN 100, manufactured by Asahi Glass Co., Ltd.
- silicon wafer Si subjected to ultrasonic cleaning and ozone cleaning were added to the organic thin film manufacturing solution obtained above. After immersing for the time shown in the table, it was raised. Substrates with an organic thin film formed on the surface (SAM— 1 13 (AN 100), SAM— 1 14 (S i) by ultrasonically cleaning the substrate surface with toluene and drying at 60 ° C for 10 minutes.
- each substrate (AN 100, Si) was subjected to ultrasonic cleaning in water for 1 hour, and the contact angle was measured again. None of the substrates (AN 100, Si) showed a decrease in contact angle before and after ultrasonic cleaning, and it was found that an organic thin film with excellent adhesion was formed on the surface of either substrate. It was.
- Metal surfactant M-1 was added to hydrous toluene having a water content of 350 ppm so that the final concentration of ODS was 0.5% by weight, and the mixture was stirred at room temperature for 30 minutes.
- To this solution add 1% by weight dehydrated toluene solution of benzoic acid (T 1-9) in an amount that makes the molar number of benzoic acid 10: 1 in ODS moles: (T-9) and stir at room temperature.
- T 1-9 dehydrated toluene solution of benzoic acid
- T-9 dehydrated toluene solution of benzoic acid
- T-9 dehydrated toluene solution of benzoic acid
- Soda lime glass plate (S— 1 1 2 6, Matsunami Glass Industry Co., Ltd.) cleaned by ultrasonic cleaning and ozone cleaning in the organic thin film production solution (SA — 1 1 4 – 1 1 6) obtained above. ) was dipped for 30 minutes and then pulled up. The substrate surface was ultrasonically washed with toluene and then dried at 60 ° C. for 10 minutes to obtain a substrate having an organic thin film formed on the surface.
- Water and tetradecane 51 were dropped onto the obtained substrate surface using a microsyringe, and left for 60 seconds. Subsequently, the contact angle of the dropping surface of water and tetradecane was measured using a contact angle measuring device (manufactured by Elma Co., Ltd., 360 S type). Table 9 shows the measurement results.
- pKa is a value obtained by measuring the acid dissociation constant of the aqueous solution of the organic acid used.
- the unit of contact angle is °.
- a monomolecular film production solution was prepared using the following catalyst solution and metal surfactant.
- the water content was measured with a coulometric titration Karl Fischer moisture meter (CA-07 manufactured by Dia Instruments Co., Ltd.).
- Table 12 summarizes the evaluation results of the monomolecular films measured by the evaluation method shown in (19) Evaluation of organic thin film (contact angle measurement, film adhesion, XPS analysis). Table 1 2
- the production method 1 and the production method 1 2 can provide a monomolecular film with good water repellency, oil repellency and adhesion in a short time.
- a metal surfactant having a hydrolyzable group such as an alkoxy group is considered to be able to produce a monomolecular film only by the dip method.
- monolayers can be produced on large substrates with a small amount of solution. It was found by XPS analysis that it was a monomolecular film.
- the organic thin film production method of the present invention When the organic thin film production method of the present invention is used, a dense self-assembled monolayer with few impurities can be produced. In addition, even on an amorphous substrate, it is possible to form a monomolecular and homogeneous chemical adsorption film with high crystallinity and excellent adhesion.
- the chemisorbed film of the present invention is used for forming a design pattern for an electric device or the like, and also for heat resistance, weather resistance, resistance of electronic products, particularly electric appliances, automobiles, industrial equipment, mirrors, and eyeglass lenses. It can be applied very easily to equipment that requires wearable ultra-thin film coating, and the industrial utility value is high.
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK04727374T DK1621258T3 (da) | 2003-04-15 | 2004-04-14 | Fremgangsmåde til fremstilling af en tynd organisk film |
JP2005505415A JP4684889B2 (ja) | 2003-04-15 | 2004-04-14 | 有機薄膜の製造方法 |
PL04727374T PL1621258T3 (pl) | 2003-04-15 | 2004-04-14 | Sposób wytwarzania cienkich folii organicznych |
AT04727374T ATE517699T1 (de) | 2003-04-15 | 2004-04-14 | Verfahren zur herstellung eines dünnen organischen films |
US10/553,109 US7776403B2 (en) | 2003-04-15 | 2004-04-14 | Method for producing organic thin film |
EP20040727374 EP1621258B1 (en) | 2003-04-15 | 2004-04-14 | Method for producing organic thin film |
US12/777,666 US8197906B2 (en) | 2003-04-15 | 2010-05-11 | Method for producing organic thin film |
US12/833,791 US8426019B2 (en) | 2003-04-15 | 2010-07-09 | Method for producing organic thin film |
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JP2003321893 | 2003-09-12 | ||
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US10/553,109 A-371-Of-International US7776403B2 (en) | 2003-04-15 | 2004-04-14 | Method for producing organic thin film |
US12/777,666 Division US8197906B2 (en) | 2003-04-15 | 2010-05-11 | Method for producing organic thin film |
US12/833,791 Division US8426019B2 (en) | 2003-04-15 | 2010-07-09 | Method for producing organic thin film |
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US (3) | US7776403B2 (ja) |
EP (3) | EP2140945B1 (ja) |
JP (3) | JP4684889B2 (ja) |
KR (1) | KR100715928B1 (ja) |
AT (1) | ATE517699T1 (ja) |
DK (3) | DK1621258T3 (ja) |
PL (2) | PL2140945T3 (ja) |
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JP2006110476A (ja) * | 2004-10-15 | 2006-04-27 | Nippon Soda Co Ltd | 有機薄膜形成方法 |
JP2007005241A (ja) * | 2005-06-27 | 2007-01-11 | Nippon Soda Co Ltd | 有機薄膜の層を有する透明導電性基板、その製造方法およびそれを用いた光学的素子 |
JP2007196162A (ja) * | 2006-01-27 | 2007-08-09 | Nippon Soda Co Ltd | フッ素系薄膜基材の製造方法 |
JP2008071833A (ja) * | 2006-09-12 | 2008-03-27 | Ricoh Co Ltd | 有機無機複合材料 |
US20080213494A1 (en) * | 2004-07-22 | 2008-09-04 | Nippon Soda Co., Ltd. | Organic Thin Film Forming Method, Auxiliary Agent For Forming an Organic Thin Film, and Solution For Forming and Organic Thin Film |
JP2010105979A (ja) * | 2008-10-31 | 2010-05-13 | General Electric Co <Ge> | 金属酸化物コーティング |
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US8568836B2 (en) * | 2004-07-22 | 2013-10-29 | Nippon Soda Co., Ltd. | Organic thin film forming method, auxiliary agent for forming an organic thin film, and solution for forming an organic thin film |
US20080213494A1 (en) * | 2004-07-22 | 2008-09-04 | Nippon Soda Co., Ltd. | Organic Thin Film Forming Method, Auxiliary Agent For Forming an Organic Thin Film, and Solution For Forming and Organic Thin Film |
JP2006110476A (ja) * | 2004-10-15 | 2006-04-27 | Nippon Soda Co Ltd | 有機薄膜形成方法 |
US10888896B2 (en) | 2005-01-21 | 2021-01-12 | The Boeing Company | Activation method using modifying agent |
US9909020B2 (en) | 2005-01-21 | 2018-03-06 | The Boeing Company | Activation method using modifying agent |
JP2007005241A (ja) * | 2005-06-27 | 2007-01-11 | Nippon Soda Co Ltd | 有機薄膜の層を有する透明導電性基板、その製造方法およびそれを用いた光学的素子 |
JP4652904B2 (ja) * | 2005-06-27 | 2011-03-16 | 日本曹達株式会社 | 有機薄膜の層を有する透明導電性基板、その製造方法およびそれを用いた光学的素子 |
JP2007196162A (ja) * | 2006-01-27 | 2007-08-09 | Nippon Soda Co Ltd | フッ素系薄膜基材の製造方法 |
JP2008071833A (ja) * | 2006-09-12 | 2008-03-27 | Ricoh Co Ltd | 有機無機複合材料 |
JP2011515578A (ja) * | 2008-03-14 | 2011-05-19 | エコシル・テクノロジーズ・エルエルシー | 制御された量の水を含有するオイル槽中で金属にシランを適用する方法 |
JP2010105979A (ja) * | 2008-10-31 | 2010-05-13 | General Electric Co <Ge> | 金属酸化物コーティング |
WO2014006885A1 (ja) | 2012-07-05 | 2014-01-09 | 日本曹達株式会社 | 有機ケイ素化合物、それを用いた薄膜形成用組成物および有機薄膜 |
US9353288B2 (en) | 2012-07-05 | 2016-05-31 | Nippon Soda Co., Ltd. | Organosilicon compound, thin film forming composition using same, and organic thin film |
US9481801B2 (en) | 2012-07-05 | 2016-11-01 | Nippon Soda Co., Ltd. | Organosilicon compound, thin film forming composition using same, and organic thin film |
US10349642B2 (en) | 2014-09-05 | 2019-07-16 | Nippon Soda Co., Ltd. | Fishhook |
Also Published As
Publication number | Publication date |
---|---|
JP2009090288A (ja) | 2009-04-30 |
ATE517699T1 (de) | 2011-08-15 |
JP5411339B2 (ja) | 2014-02-12 |
PL1621258T3 (pl) | 2011-12-30 |
US8197906B2 (en) | 2012-06-12 |
JP5301956B2 (ja) | 2013-09-25 |
JP4684889B2 (ja) | 2011-05-18 |
JPWO2004091810A1 (ja) | 2006-07-06 |
US20100221443A1 (en) | 2010-09-02 |
EP2275211B1 (en) | 2012-07-04 |
EP2140945A3 (en) | 2010-03-10 |
US20100313789A1 (en) | 2010-12-16 |
KR100715928B1 (ko) | 2007-05-08 |
US20060188657A1 (en) | 2006-08-24 |
US7776403B2 (en) | 2010-08-17 |
EP1621258A1 (en) | 2006-02-01 |
EP1621258A4 (en) | 2007-09-19 |
EP2140945A2 (en) | 2010-01-06 |
DK2140945T3 (da) | 2012-10-22 |
KR20050120798A (ko) | 2005-12-23 |
DK1621258T3 (da) | 2011-11-07 |
JP2013067171A (ja) | 2013-04-18 |
EP2140945B1 (en) | 2012-08-15 |
DK2275211T3 (da) | 2012-09-17 |
US8426019B2 (en) | 2013-04-23 |
PT1621258E (pt) | 2011-09-05 |
EP2275211A1 (en) | 2011-01-19 |
EP1621258B1 (en) | 2011-07-27 |
PL2140945T3 (pl) | 2012-12-31 |
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