WO2011007543A1 - 積層体およびその製造方法 - Google Patents
積層体およびその製造方法 Download PDFInfo
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- WO2011007543A1 WO2011007543A1 PCT/JP2010/004510 JP2010004510W WO2011007543A1 WO 2011007543 A1 WO2011007543 A1 WO 2011007543A1 JP 2010004510 W JP2010004510 W JP 2010004510W WO 2011007543 A1 WO2011007543 A1 WO 2011007543A1
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- polysilazane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/16—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers in which all the silicon atoms are connected by linkages other than oxygen atoms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
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- 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
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- 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
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
-
- 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
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
-
- 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
- C08J7/048—Forming gas barrier coatings
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/60—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which all the silicon atoms are connected by linkages other than oxygen atoms
- C08G77/62—Nitrogen atoms
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- 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
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/16—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers in which all the silicon atoms are connected by linkages other than oxygen atoms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Definitions
- the present invention relates to a laminate and a manufacturing method thereof.
- transparent gas barrier materials that block gases such as oxygen and water vapor have been used not only for packaging materials such as food and pharmaceuticals, which are the main applications of the past, but also for flat panel displays (FPD) such as liquid crystal displays and solar cells. It has come to be used also for such members (substrates, back sheets, etc.), flexible substrates for organic electroluminescent (organic EL) elements, sealing films, and the like. In these applications, extremely high gas barrier properties are required.
- transparent gas barrier materials employed in some applications are manufactured by a dry method such as a plasma CVD method, a sputtering method, or an ion plating method, and a wet method typified by a sol-gel method. Both methods are methods in which a silicon oxide (silica) exhibiting gas barrier properties is deposited on a plastic substrate. Unlike the dry method, the wet method does not require large-scale equipment, is not affected by the surface roughness of the base material, and cannot be pinholed. Therefore, it has attracted attention as a method for obtaining a uniform gas barrier film with good reproducibility. Yes.
- Non-Patent Document 1 a method is known in which a polysilazane film coated on a substrate is converted to silica as in Non-Patent Document 1. It is widely known that polysilazane is converted to silicon oxide (silica) through oxidation or hydrolysis and dehydration polycondensation by heat treatment (150 to 450 ° C.) in the presence of oxygen or water vapor. However, this method has a problem that it takes a long time to form silica and a problem that the base material is exposed to a high temperature and cannot be deteriorated.
- Patent Document 1 and Patent Document 2 a polysilazane film is formed by applying a coating liquid containing polysilazane to a substrate, and then air or oxygen gas is used as a suitable plasma gas species.
- a method of performing an oxidation treatment with plasma called a plasma oxidation method on a polysilazane film is disclosed. It is described that the polysilazane film can be converted to silica at a low temperature and in a relatively short time by this method.
- the inorganic polymer layer of Patent Document 1 is a layer provided as an intermediate layer between the base material and the metal vapor deposition layer in order to impart adhesion of the metal vapor deposition layer and chemical stability of the base material. Therefore, the invention described in Patent Document 1 does not impart gas barrier properties to the polysilazane layer itself. Moreover, as described in the examples of Patent Document 1, in the case of a technique generally called corona treatment using air as a plasma species, the obtained inorganic polymer layer does not exhibit sufficient gas barrier properties. Furthermore, there is a problem that the scratch resistance is not good.
- Patent Document 2 relates to a method for producing a gas barrier film by performing plasma treatment on a polysilazane film, and in particular, relates to a technique for producing a silicon oxide (silica) film by oxygen plasma treatment as described above.
- the gas barrier properties required for applications such as FPD, solar cell members, flexible substrates and sealing films for organic EL elements have been difficult to achieve with a silicon oxide (silica) film alone. Therefore, the film described in the document has room for improvement in gas barrier properties, particularly for use in these applications.
- the gas barrier films described in Patent Documents 1 and 2 still have problems to be solved in terms of gas barrier properties and scratch resistance against oxygen and water vapor.
- high refractive index resins such as diethylene glycol bisallyl carbonate resin and polythiourethane resin are used for plastic eyeglass lenses.
- This high refractive index resin has the disadvantages of low scratch resistance and easy scratching on the surface. Therefore, a method of providing a hard coat film on the surface has been performed.
- various displays such as word processors, computers and televisions, the surfaces of polarizing plates used in liquid crystal display devices, optical lenses such as camera finder lenses, covers for various instruments, window glass for automobiles, trains, etc.
- a hard coat film is also required on the surface.
- a coating solution using silica sol and an organosilicon compound to which ultrafine particles are added is mainly used.
- Patent Document 3 describes a method for forming a silicon nitride thin film, in which perhydropolysilazane or a modified product thereof is applied to a substrate and then baked at a temperature of 600 ° C. or higher under vacuum. It is described that the silicon nitride thin film thus formed is excellent in wear resistance, heat resistance, corrosion resistance and chemical resistance and has a high refractive index.
- Patent Document 3 has room for improvement in the following points.
- Patent Document 3 requires firing the polysilazane film at a high temperature of 600 ° C. or higher. For this reason, when the silicon nitride film is provided on the surface of the optical member, the optical member itself is exposed to a high temperature. Therefore, the method described in this document cannot be applied to optical applications that require precision. On the other hand, when the polysilazane film is heated at a temperature lower than 600 ° C., the polysilazane film is converted to low refractive index silica, and a high refractive index film cannot be obtained. Moreover, the method described in Patent Document 3 has been difficult to arbitrarily control the refractive index according to the application.
- a laminate comprising a base material and a silicon-containing film formed on the base material, the silicon-containing film comprising silicon atoms and nitrogen atoms, or silicon atoms and nitrogen atoms and oxygen
- a high concentration region of nitrogen composed of atoms, and the high concentration region of nitrogen is irradiated with energy rays in an atmosphere substantially free of oxygen or water vapor on a polysilazane film formed on a substrate
- a laminate is provided which is formed by modifying at least a portion.
- the high nitrogen concentration region has a composition ratio of nitrogen atoms to all atoms represented by the following formula measured by X-ray photoelectron spectroscopy of 0.1 or more. A range of 1 or less; Formula: Composition ratio of nitrogen atom / (composition ratio of oxygen atom + composition ratio of nitrogen atom).
- the high nitrogen concentration region has a composition ratio of nitrogen atoms to all atoms represented by the following formula measured by X-ray photoelectron spectroscopy of 0.1 or more. A range of 0.5 or less; Formula: Composition ratio of nitrogen atom / (composition ratio of silicon atom + composition ratio of oxygen atom + composition ratio of nitrogen atom).
- the silicon-containing film in the stacked body, has a refractive index of 1.55 or more.
- the composition ratio of nitrogen atoms to all atoms measured by X-ray photoelectron spectroscopy in the high nitrogen concentration region is 1 to 57 atomic%.
- the high nitrogen concentration region is formed over the entire surface of the silicon-containing film.
- the high nitrogen concentration region in the laminate, has a thickness of 0.01 ⁇ m or more and 0.2 ⁇ m or less.
- the composition ratio of nitrogen atoms relative to all atoms measured by X-ray photoelectron spectroscopy in the silicon-containing film is such that the upper surface side of the silicon-containing film is from the other surface side. Is also expensive.
- the laminate has a water vapor transmission rate of 0.01 g / m 2 ⁇ at a film thickness of 0.1 ⁇ m, 40 ° C., and 90% humidity as measured in JIS K7129. day or less.
- the energy beam irradiation is performed by plasma irradiation or ultraviolet irradiation.
- the plasma irradiation or the ultraviolet irradiation uses an inert gas, a rare gas, or a reducing gas as a gas species.
- nitrogen gas, argon gas, helium gas, hydrogen gas, or a mixed gas thereof is used as the gas species in the laminate.
- the plasma irradiation or ultraviolet irradiation is performed under vacuum.
- the plasma irradiation or ultraviolet irradiation is performed under normal pressure.
- the polysilazane film is at least one selected from the group consisting of perhydropolysilazane, organopolysilazane, and derivatives thereof.
- the base material is a resin film.
- the resin film includes polyolefin, cyclic olefin polymer, polyvinyl alcohol, ethylene-vinyl alcohol copolymer, polystyrene, polyester, polyamide, polycarbonate, polyvinyl chloride, polyvinyl chloride. It consists of at least one resin selected from the group consisting of vinylidene, polyimide, polyethersulfone, polyacryl, polyarylate and triacetylcellulose.
- the laminate further includes a vapor deposition film between the upper surface of the silicon-containing film or the base material and the silicon-containing film.
- the deposited film in the stacked body, includes Si, Ta, Nb, Al, In, W, Sn, Zn, Ti, Cu, Ce, Ca, Na, B, Pb, Mg. , P, Ba, Ge, Li, K, Zr, and Sb.
- the oxide or nitride or oxynitride of one or more metals selected from the group consisting of Sb is included as a main component.
- the vapor deposition film is formed by a physical vapor deposition method (PVD method) or a chemical vapor deposition method (CVD method).
- PVD method physical vapor deposition method
- CVD method chemical vapor deposition method
- the vapor deposition film in the stacked body, has a thickness of 1 nm to 1000 nm.
- the silicon-containing film in the laminate, has a thickness of 0.02 ⁇ m to 2 ⁇ m.
- the high nitrogen concentration region includes silicon nitride and / or silicon oxynitride.
- the laminate has a thickness of 0.02 ⁇ m to 2 ⁇ m.
- the substrate is an optical member.
- the laminate is a gas barrier film.
- the laminate is a high refractive index film.
- the step of applying a polysilazane-containing liquid on a substrate to form a coating film the step of drying the coating film in a low moisture concentration atmosphere to form a polysilazane film, and the polysilazane film Irradiate energy rays in an atmosphere substantially free of oxygen or water vapor to modify at least a part of the film to form a high nitrogen concentration region consisting of silicon atoms and nitrogen atoms, or silicon atoms, nitrogen atoms and oxygen atoms.
- a step of forming a silicon-containing film including the method.
- the high nitrogen concentration region has a composition ratio of nitrogen atoms to all atoms represented by the following formula measured by X-ray photoelectron spectroscopy of 0.1 or more, A range of 1 or less; Formula: Composition ratio of nitrogen atom / (composition ratio of oxygen atom + composition ratio of nitrogen atom).
- the high nitrogen concentration region has a composition ratio of nitrogen atoms to all atoms represented by the following formula measured by X-ray photoelectron spectroscopy of 0.1 or more, A range of 0.5 or less; Formula: Composition ratio of nitrogen atom / (composition ratio of silicon atom + composition ratio of oxygen atom + composition ratio of nitrogen atom).
- the silicon-containing film has a refractive index of 1.55 or more.
- the energy ray irradiation in the step of forming the silicon-containing film is plasma irradiation or ultraviolet irradiation.
- the plasma irradiation or the ultraviolet irradiation uses an inert gas, a rare gas or a reducing gas as a gas species.
- nitrogen gas, argon gas, helium gas, hydrogen gas, or a mixed gas thereof is used as the gas species.
- the plasma irradiation or the ultraviolet irradiation is performed under vacuum.
- the plasma irradiation or the ultraviolet irradiation is performed under normal pressure.
- the polysilazane film is at least one selected from the group consisting of perhydropolysilazane, organopolysilazane, and derivatives thereof.
- the substrate is a resin film.
- the resin film comprises polyolefin, cyclic olefin polymer, polyvinyl alcohol, ethylene-vinyl alcohol copolymer, polystyrene, polyester, polyamide, polycarbonate, polyvinyl chloride, polyvinylidene chloride. And at least one resin selected from the group consisting of polyimide, polyethersulfone, polyacryl, polyarylate, and triacetylcellulose.
- the method further includes a step of forming a deposited film on the substrate before the step of forming the polysilazane film on the substrate.
- the method further includes a step of forming a deposited film on the silicon-containing film after the step of forming the silicon-containing film.
- the deposited film includes Si, Ta, Nb, Al, In, W, Sn, Zn, Ti, Cu, Ce, Ca, Na, B, Pb, Mg,
- One or more metal oxides or nitrides or oxynitrides selected from the group consisting of P, Ba, Ge, Li, K, Zr and Sb are contained as a main component.
- the step of forming the vapor deposition film is a step of forming a vapor deposition film by a physical vapor deposition method (PVD method) or a chemical vapor deposition method (CVD method).
- PVD method physical vapor deposition method
- CVD method chemical vapor deposition method
- the deposited film has a thickness of 1 nm to 1000 nm.
- a gas barrier laminate comprising a base material and a silicon-containing film formed on the base material, the silicon-containing film having a high nitrogen concentration region, The concentration region consists of at least silicon atom and nitrogen atom, or silicon atom, nitrogen atom and oxygen atom, and the composition ratio of nitrogen atom to all atoms measured by X-ray photoelectron spectroscopy is 0.1 or more in the following formula,
- a gas barrier laminate is provided, characterized in that it is in the range of 1 or less; Formula: Composition ratio of nitrogen atom / (composition ratio of oxygen atom + composition ratio of nitrogen atom).
- a polysilazane film formed on a substrate is irradiated with energy rays, and a region having a refractive index of a high nitrogen concentration region formed by modifying at least a part of the film is 1.55 or more.
- a high refractive index film is provided.
- the laminate of the present invention has a high nitrogen content comprising silicon atoms and nitrogen atoms, or silicon atoms, nitrogen atoms and oxygen atoms formed by irradiating a polysilazane film with energy rays and modifying at least part of the film. Since it has a concentration region, it has a high refractive index and is excellent in scratch resistance, transparency, and adhesion to a substrate. Furthermore, the laminate of the present invention can be used as a high refractive index film having excellent productivity and excellent stability of the above characteristics.
- the laminate of the present invention is excellent in gas barrier properties such as water vapor barrier properties and oxygen barrier properties and scratch resistance as compared with gas barrier films as in the prior art.
- the manufacturing method of the laminated body of this invention is a simple method, and is excellent in productivity, and is excellent also in the controllability of a refractive index.
- FIG. 1 is a process cross-sectional view illustrating a method for manufacturing a laminate according to the present invention.
- FIG. 2 is a cross-sectional view showing another aspect of the laminate according to the present invention.
- FIG. 3 is a cross-sectional view showing another aspect of the laminate according to the present invention.
- FIG. 4 is a chart showing the results of measuring the silicon-containing film of the laminate obtained in Example 6 by the X-ray photoelectron spectroscopy (XPS) method.
- FIG. 5 is a chart showing the results of FT-IR measurement of the silicon-containing film of the laminate obtained in Example 1.
- the laminate 10 of the present embodiment includes a base 12 and a silicon-containing film 16 formed on the base 12 as shown in FIG.
- the silicon-containing film 16 has a high nitrogen concentration region 18 composed of silicon atoms and nitrogen atoms, or silicon atoms, nitrogen atoms, and oxygen atoms.
- the high nitrogen concentration region 18 is formed by irradiating the polysilazane film 14 formed on the substrate 12 with energy rays (FIG. 1A) and modifying at least a part of the polysilazane film 14.
- Examples of materials that can be used as the substrate 12 include metal substrates such as silicon, glass substrates, ceramic substrates, and resin films. In the present embodiment, a resin film is used as the substrate 12.
- the resin film examples include polyolefins such as polyethylene, polypropylene, and polybutene; cyclic olefin polymers such as Apel (registered trademark); polyvinyl alcohol; ethylene-vinyl alcohol copolymer; polystyrene; polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, and the like. Polyesters; polyamides such as nylon-6 and nylon-11; polycarbonates; polyvinyl chloride; polyvinylidene chloride; polyimides; polyether sulfone; polyacrylic; polyarylate; Two or more types can be used in combination. Moreover, the thickness of the base material 12 can be suitably selected according to the use.
- the silicon-containing film 16 irradiates the polysilazane film 14 formed on the substrate 12 with energy in an atmosphere substantially free of oxygen or water vapor, and modifies at least a part of the polysilazane film 14 to increase the nitrogen content. It is obtained by forming the concentration region 18. Accordingly, the silicon-containing film 16 has a high nitrogen concentration region 18 in the vicinity of the upper surface 16a (FIG. 1B).
- “in the vicinity of the upper surface 16a” means a region having a depth of 50 nm downward from the upper surface 16a of the silicon-containing film 16, preferably a region having a depth of 30 nm downward from the upper surface 16a.
- the nitrogen high concentration region in the present specification refers to a region where the composition ratio of nitrogen atoms represented by the following formula is 0.1 or more and 0.5 or less; Composition ratio of nitrogen atom / (composition ratio of silicon atom + composition ratio of oxygen atom + composition ratio of nitrogen atom).
- the nitrogen high concentration region 18 preferably has a thickness of 0.01 ⁇ m or more and 0.2 ⁇ m or less, more preferably 0.01 ⁇ m or more and 0.1 ⁇ m or less.
- the silicon-containing film 16 having the high nitrogen concentration region 18 preferably has a thickness of 0.02 ⁇ m to 2.0 ⁇ m, more preferably 0.05 ⁇ m to 1.0 ⁇ m.
- the silicon-containing film 16 of the present invention has a high nitrogen concentration region 18 formed by irradiating the polysilazane film 14 with energy rays in an atmosphere substantially free of oxygen or water vapor. Portions other than the high nitrogen concentration region 18 in the silicon-containing film 16 can react with water vapor that has permeated from the resin base material side after irradiation with energy rays, and can change to silicon oxide.
- the silicon-containing film 16 is composed of a high nitrogen concentration region 18 and a silicon oxide region. Due to the configuration of this high nitrogen concentration region / silicon oxide / resin base material, the silicon-containing film 16 has mechanical properties such as gas barrier properties such as oxygen barrier properties and water vapor barrier properties and hard coat properties such as SiO 2 and Si 3 N 4. It is superior to single layer films such as.
- the silicon-containing film 16 is preferably made of SiO 2 , SiNH 3 , SiO x N y or the like.
- the silicon-containing film 16 has a thickness of 0.5 ⁇ m and the high nitrogen concentration region 18 is formed over the entire vicinity of the upper surface 16a of the silicon-containing film 16.
- the region 18 may be formed in a part near the upper surface of the silicon-containing film 16.
- the high nitrogen concentration region 18 may be formed over the entire silicon-containing film 16.
- the composition of the silicon-containing film 16 is the same as that of the high nitrogen concentration region 18.
- the high nitrogen concentration region 18 includes at least silicon atoms and nitrogen atoms, or includes at least silicon atoms, nitrogen atoms, and oxygen atoms.
- the high nitrogen concentration region 18 is composed of Si 3 N 4 , SiO x N y, or the like.
- composition ratio of nitrogen atoms to all atoms measured by X-ray photoelectron spectroscopy in the high nitrogen concentration region 18 is in the range of 0.1 or more and 1 or less, preferably 0.14 or more and 1 or less in the following formula. is there.
- the composition ratio of nitrogen atoms to all atoms measured by X-ray photoelectron spectroscopy is 0.1 or more and 0.5 or less, preferably 0.1 or more, 0.0. 4 or less.
- the laminate 10 having the nitrogen high concentration region 18 having such a composition is particularly excellent in gas barrier properties such as oxygen barrier properties and water vapor barrier properties, and mechanical properties such as scratch resistance. That is, by having the nitrogen high-concentration region 18 having such a composition, the laminate 10 is excellent in a balance between improving barrier properties and improving mechanical properties.
- the composition ratio of nitrogen atoms to all atoms measured by X-ray photoelectron spectroscopy in the high nitrogen concentration region 18 is 1 to 57 atomic%, preferably 10 to 57. It can be atomic%.
- the composition ratio of nitrogen atoms to all atoms measured by X-ray photoelectron spectroscopy in the silicon-containing film 16 is higher on the upper surface 16a side of the silicon-containing film than on the other surface side. Is preferred.
- the atomic composition gradually changes between the silicon-containing film 16 and the high nitrogen concentration region 18. Since the composition continuously changes in this way, the barrier properties are improved and the mechanical properties are also improved.
- the laminate 10 of the present embodiment has a water vapor permeability measured under the following conditions (JIS K7129) of 0.01 g / m 2 ⁇ day or less.
- Film thickness of silicon-containing film 16 0.1 ⁇ m 40 ° C, humidity 90%.
- the water vapor barrier property of the laminate of the present invention is manifested by the formation of a high nitrogen concentration region. For this reason, as long as the film thickness of the high nitrogen concentration region is 0.01 ⁇ m or more, a water vapor barrier property of 0.01 g / m 2 ⁇ day or less theoretically appears. However, for the convenience of coating technology, a stable water vapor barrier property can be obtained with a reproducibility at a film thickness of 0.1 ⁇ m. Of course, if the film thickness is 0.1 ⁇ m or more, higher water vapor barrier properties are exhibited.
- the silicon-containing film of the present embodiment preferably has a refractive index of 1.55 or more.
- the manufacturing method of the laminated body 10 of this embodiment includes the following steps (a), (b), and (c). Hereinafter, it demonstrates using drawing.
- (A) The process of apply
- (B) A step of drying the coating film in a low oxygen / low moisture concentration atmosphere to form a polysilazane film 14.
- (C) The polysilazane film 14 is irradiated with energy rays in an atmosphere substantially free of oxygen or water vapor to modify at least a part of the polysilazane film 14 to form the silicon-containing film 16 including the high nitrogen concentration region 18. Step (FIGS. 1A and 1B).
- Step (a) In the step (a), a coating film containing polysilazane is formed on the substrate 12. Although it does not specifically limit as a method of forming a coating film, It is preferable to form by a wet method, and the method of apply
- polysilazane one or a combination of two or more selected from perhydropolysilazane, organopolysilazane, and derivatives thereof can be used.
- the derivative include perhydropolysilazane or organopolysilazane in which part or all of hydrogen is substituted with an organic group such as an alkyl group or an oxygen atom.
- perhydropolysilazane represented by H 3 Si (NHSiH 2 ) n NHSiH 3 but organopolysilazane in which part or all of hydrogen is substituted with an organic group such as an alkyl group may be used. . Moreover, you may use by a single composition and may mix and use two or more components.
- the refractive index of the silicon-containing film of the present invention can be adjusted in the range of 1.55 to 2.1 by adjusting the presence or absence and addition amount of the catalyst to the polysilazane-containing liquid.
- the polysilazane-containing liquid may contain a metal carboxylate as a catalyst for converting polysilazane into a ceramic.
- the metal carboxylate is a compound represented by the following general formula. (RCOO) nM
- R represents an aliphatic group or alicyclic group having 1 to 22 carbon atoms
- M represents at least one metal selected from the following metal group
- n represents the valence of the metal M. .
- M is selected from the group of nickel, titanium, platinum, rhodium, cobalt, iron, ruthenium, osmium, palladium, iridium, and aluminum, and is particularly preferably palladium (Pd).
- the metal carboxylate may be an anhydride or a hydrate.
- the metal carboxylate / polysilazane weight ratio is preferably 0.001 to 1.0, more preferably 0.01 to 0.5.
- an acetylacetonato complex is mentioned as another catalyst.
- An acetylacetonate complex containing a metal is a complex in which an anion acac- generated by acid dissociation from acetylacetone (2,4-pentadione) is coordinated to a metal atom, and is represented by the following general formula. (CH 3 COCHCOCH 3 ) n M In the formula, M represents an n-valent metal.
- M is selected from the group of nickel, titanium, platinum, rhodium, cobalt, iron, ruthenium, osmium, palladium, iridium, and aluminum, and is particularly preferably palladium (Pd).
- the weight ratio of acetylacetonato complex / polysilazane is preferably 0.001 to 1, more preferably 0.01 to 0.5.
- an acid compound such as an amine compound, pyridines, DBU, DBN, and / or an organic acid or an inorganic acid can be used.
- Representative examples of amine compounds include those represented by the following general formula. R 4 R 5 R 6 N
- R 4 to R 6 each represent a hydrogen atom, an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, an alkylsilyl group, an alkylamino group, or an alkoxy group.
- amine compound examples include methylamine, dimethylamine, trimethylamine, ethylamine, diethylamine, triethylamine, propylamine, dipropylamine, tripropylamine, butylamine, dibutylamine, tributylamine, pentylamine, dipentylamine, tripentylamine, Examples include hexylamine, dihexylamine, trihexylamine, heptylamine, diheptylamine, triheptylamine, octylamine, dioctylamine, trioctylamine, phenylamine, diphenylamine, and triphenylamine.
- the hydrocarbon chain contained in these amine compounds may be a straight chain or a branched chain.
- Particularly preferred amine compounds are triethylamine, tripentylamine, tributylamine, trihexylamine, triheptylamine and trioctylamine.
- pyridines include pyridine, ⁇ -picoline, ⁇ -picoline, ⁇ -picoline, piperidine, lutidine, pyrimidine, pyridazine, DBU (1,8-diazabicyclo [5.4.0] -7-undecene), DBN (1,5-diazabicyclo [4.3.0] -5-nonene) and the like.
- the acid compound examples include organic acids such as acetic acid, propionic acid, butyric acid, valeric acid, maleic acid and stearic acid, and inorganic acids such as hydrochloric acid, nitric acid, sulfuric acid and hydrogen peroxide.
- organic acids such as acetic acid, propionic acid, butyric acid, valeric acid, maleic acid and stearic acid
- inorganic acids such as hydrochloric acid, nitric acid, sulfuric acid and hydrogen peroxide.
- Particularly preferred acid compounds are propionic acid, hydrochloric acid and hydrogen peroxide.
- the amount of the amine compound, pyridines, DBU, DBN, etc. and / or acid compounds such as organic acids and inorganic acids added to the polysilazane is 0.1 ppm or more with respect to the weight of the polysilazane, preferably 10 to 10 ppm. %.
- the polysilazane-containing liquid can contain metal fine particles.
- a preferred metal is Ag.
- the particle size of the metal fine particles is preferably smaller than 0.5 ⁇ m, more preferably 0.1 ⁇ m or less, and further preferably smaller than 0.05 ⁇ m.
- a polysilazane-containing liquid in which independently dispersed ultrafine particles having a particle size of 0.005 to 0.01 ⁇ m are dispersed in a high boiling alcohol is preferable.
- the addition amount of the metal fine particles is 0.01 to 10 parts by weight, preferably 0.05 to 5 parts by weight with respect to 100 parts by weight of polysilazane.
- polysilazane-containing liquid polysilazane and, if necessary, a catalyst and metal fine particles are dissolved or dispersed in a solvent.
- the solvent examples include aromatic compounds such as benzene, toluene, xylene, ethylbenzene, diethylbenzene, trimethylbenzene, triethylbenzene; n-pentane, i-pentane, n-hexane, i-hexane, n-heptane, i-heptane.
- a known application method can be applied, and is not particularly limited.
- examples thereof include a coating method, a spin coating method, and a dip coating method.
- the silicon-containing film 16 of this embodiment can be directly provided on the surface of an optical member that requires precision. Note that the silicon-containing film 16 may be formed on the surface of the substrate 12 and then peeled off from the substrate 12 for use.
- the surface of the resin film can be subjected to a surface treatment such as ultraviolet ozone treatment, corona treatment, arc treatment, or plasma treatment before applying the polysilazane-containing liquid.
- a surface treatment such as ultraviolet ozone treatment, corona treatment, arc treatment, or plasma treatment
- the adhesion with the polysilazane film is improved by these surface treatments.
- step (b) the coating film containing polysilazane formed in step (a) is dried in a low oxygen / low moisture concentration atmosphere to form polysilazane film 14.
- the oxygen concentration is 20% (200,000 ppm) or less, preferably 2% (20,000 ppm), more preferably 0.5% (5,000 ppm) or less. It is preferable to carry out in a low oxygen / low moisture concentration atmosphere where the humidity is 20% or less, preferably 2% or less, and more preferably 0.5% or less. Note that the numerical range of the oxygen concentration and the numerical range of the relative humidity can be appropriately combined.
- the drying process in the step (b) can be performed in an oven filled with an inert gas such as nitrogen or argon gas, and the drying conditions differ depending on the film thickness of the polysilazane film 14, but in this embodiment. 1 to 10 minutes at 50 to 120 ° C.
- an inert gas such as nitrogen or argon gas
- the above-described drying treatment is performed in a low oxygen / water vapor concentration atmosphere, it is necessary to form a high nitrogen concentration region composed of silicon atoms, nitrogen atoms, and oxygen atoms in the silicon-containing film due to dissolved oxygen and moisture in the solvent.
- An oxygen atom is introduced.
- the ratio of oxygen atoms to all atoms in the silicon-containing film by elemental composition ratio analysis using X-ray photoelectron spectroscopy is 60 atom% or less, preferably 0 to 40 atom%, more preferably 0 to 30 atom%. If the silicon-containing film 16 and the high nitrogen concentration region 18 do not contain oxygen atoms, it is necessary to remove dissolved oxygen and moisture in the solvent.
- the polysilazane film 14 is irradiated with energy rays in an atmosphere substantially free of oxygen or water vapor to modify at least part of the polysilazane film 14 and contain silicon containing the high nitrogen concentration region 18.
- a film 16 is formed. Examples of energy beam irradiation include plasma treatment and ultraviolet treatment, and a combination of these treatments can also be used.
- “atmosphere substantially free of oxygen or water vapor” means that oxygen and / or water vapor is not present at all, or an oxygen concentration of 0.5% (5000 ppm) or less, preferably an oxygen concentration of 0 0.05% (500 ppm) or less, more preferably 0.005% (50 ppm) or less, more preferably 0.002% (20 ppm) or less, more preferably 0.0002% (2 ppm) or less. Or a relative humidity of 0.5% or less, preferably a relative humidity of 0.2% or less, more preferably a relative humidity of 0.1% or less, more preferably a relative humidity of 0.05% or less. .
- an atmosphere having a water vapor concentration (water vapor partial pressure / atmospheric pressure at a room temperature of 23 ° C.) of 140 ppm or less, more preferably 56 ppm, more preferably 28 ppm, and still more preferably 14 ppm or less.
- Energy irradiation can be performed in a pressure range of vacuum to atmospheric pressure.
- the polysilazane film 14 formed on the substrate 12 is irradiated with energy rays, so that the influence on the properties of the substrate 12 is small. Even when an optical member is used as the base material 12, the silicon-containing film 16 that can be used as a high-refractive index film suitable for optical applications can be manufactured because the influence on the precision is small. Furthermore, the manufacturing method including such steps is a simple method and excellent in productivity.
- Plasma treatment examples include atmospheric pressure plasma treatment and vacuum plasma treatment.
- the plasma treatment can be performed under vacuum that is substantially free of oxygen or water vapor.
- vacuum refers to a pressure of 100 Pa or less, preferably a pressure of 10 Pa or less.
- the pressure in the apparatus is reduced from atmospheric pressure (101325 Pa) to a pressure of 100 Pa or less, preferably 10 Pa or less using a vacuum pump, and then the gas described below is introduced to a pressure of 100 Pa or less.
- the oxygen concentration and water vapor concentration under vacuum are generally evaluated by the oxygen partial pressure and the water vapor partial pressure.
- the vacuum plasma treatment is performed under the above-described vacuum under an oxygen partial pressure of 10 Pa or less (oxygen concentration 0.001% (10 ppm)) or less, preferably an oxygen partial pressure of 2 Pa or less (oxygen concentration 0.0002% (2 ppm)) or less.
- the concentration is 10 ppm or less, preferably 1 ppm or less.
- the plasma treatment is preferably performed at normal pressure in the absence of oxygen and / or water vapor.
- the atmospheric pressure plasma treatment is performed in a low oxygen / low moisture concentration atmosphere (normal pressure) having an oxygen concentration of 0.5% or less and a relative humidity of 0.5% RH or less, and preferably a relative humidity of 0.1% RH or less. Is called.
- the plasma treatment is also preferably performed in an inert gas or noble gas or reducing gas atmosphere (normal pressure).
- the nitrogen high concentration region 18 of this embodiment is not formed, and silicon oxide (silica) or silanol groups are generated, so that a sufficient water vapor barrier property cannot be obtained. There is a case.
- silicon oxide (silica) having a low refractive index of about 1.45 is generated in a large amount, so that a silicon-containing film 16 having a desired refractive index is obtained. There may not be.
- nitrogen gas that is an inert gas nitrogen gas that is an inert gas
- argon gas that is a rare gas, helium gas, neon gas, krypton gas, xenon gas, and the like
- hydrogen gas which is a reducing gas, ammonia gas and the like.
- More preferable gas includes argon gas, helium gas, nitrogen gas, hydrogen gas, or a mixed gas thereof.
- the atmospheric pressure plasma treatment As the atmospheric pressure plasma treatment, a gas is passed between two electrodes, and the gas is converted into plasma and then irradiated onto the substrate, or a substrate 12 with a polysilazane film 14 irradiated between the two electrodes is disposed.
- a method of generating plasma through the gas In order to lower the oxygen / water vapor gas concentration in the processing atmosphere, the gas flow rate in the atmospheric pressure plasma treatment is preferably as high as possible, preferably 0.01 to 1000 L / min, more preferably 0.1 to 500 L / min. is there.
- the applied power (W), the unit area of the electrode (cm 2) per preferably 0.0001W / cm 2 ⁇ 100W / cm 2, more preferably 0.001W / cm 2 ⁇ 50W / cm 2 .
- the moving speed of the substrate 12 with the polysilazane film 14 is preferably 0.001 to 1000 m / min, and more preferably 0.001 to 500 m / min.
- the treatment temperature is from room temperature to 200 ° C.
- a known electrode or waveguide is placed in a vacuum sealed system, and power such as direct current, alternating current, radio wave, or microwave is applied through the electrode or waveguide. Plasma can be generated. Power applied to the plasma treatment (W), the unit area of the electrode (cm 2) per preferably 0.0001W / cm 2 ⁇ 100W / cm 2, more preferably 0.001W / cm 2 ⁇ 50W / cm 2 is there.
- the vacuum degree of the vacuum plasma treatment is preferably 1 Pa to 1000 Pa, more preferably 1 Pa to 500 Pa.
- the temperature of the vacuum plasma treatment is preferably room temperature to 500 ° C., and more preferably room temperature to 200 ° C. in view of the influence on the substrate.
- the time for the vacuum plasma treatment is preferably 1 second to 60 minutes, more preferably 60 seconds to 20 minutes.
- the ultraviolet treatment can be performed under atmospheric pressure or under vacuum. Specifically, it can be performed under an atmosphere substantially free of oxygen and water vapor, under atmospheric pressure, or under vacuum. Alternatively, the ultraviolet treatment is performed at a low oxygen / low water vapor concentration with an oxygen concentration of 0.5% (5000 ppm) or less, preferably 0.1% (1000 ppm) or less and a relative humidity of 0.5% or less, preferably 0.1% or less. It can be performed under an atmosphere. When the plasma treatment is performed in the low water vapor concentration atmosphere (normal pressure), it is preferably performed in an inert gas atmosphere, a rare gas atmosphere, or a reducing gas atmosphere.
- the high nitrogen concentration region 18 is not formed, and silicon oxide (silica) or silanol groups are generated, so that sufficient water vapor barrier properties may not be obtained. .
- a silicon-containing film having a desired refractive index may not be obtained because a large amount of silicon oxide (silica) having a low refractive index of about 1.45 is generated. is there.
- the refractive index of the silicon-containing film 16 of this embodiment can be arbitrarily controlled in the range of 1.55 to 2.1 by changing the exposure amount, oxygen and water vapor concentration, and processing time in ultraviolet irradiation. is there.
- Examples of the method for generating ultraviolet rays include a method using a metal halide lamp, a high-pressure mercury lamp, a low-pressure mercury lamp, a xenon arc lamp, a carbon arc lamp, an excimer lamp, a UV light laser, or the like.
- the laminated body 10 of this embodiment can be manufactured by performing the above process. In the present embodiment, the following processing may be further performed on the silicon-containing film 16.
- the high nitrogen concentration region 18 in the silicon-containing film 16 can be increased by further irradiating active energy rays or heating the silicon-containing film 16 modified by plasma treatment or ultraviolet treatment.
- active energy rays include microwaves, infrared rays, ultraviolet rays, and electron beams, and infrared rays, ultraviolet rays, and electron beams are preferable.
- Examples of the method for generating ultraviolet rays include methods using a metal halide lamp, a high-pressure mercury lamp, a low-pressure mercury lamp, a xenon arc lamp, a carbon arc lamp, an excimer lamp, a UV light laser, and the like as described above.
- a method for generating infrared rays for example, a method using an infrared radiator or an infrared ceramic heater can be mentioned. Also, when using an infrared radiator, depending on the wavelength used for infrared rays, a near-infrared radiator having an intensity peak at a wavelength of 1.3 ⁇ m, a mid-infrared radiator having an intensity peak at a wavelength of 2.5 ⁇ m, and a wavelength of 4.5 ⁇ m A far-infrared radiator having an intensity peak can be used.
- infrared laser having a single spectrum.
- infrared lasers include gas chemical lasers such as HF, DF, HCl, DCl, HBr, and DBr, CO 2 gas lasers, N 2 O gas lasers, CO 2 gas laser excited far infrared lasers (NH 3 , CF 4 , etc.), Pb (Cd) S, PbS (Se), Pb (Sn) Te, Pb (Sn) Se, and other compound semiconductor lasers (irradiation wavelength: 2.5 to 20 ⁇ m).
- gas chemical lasers such as HF, DF, HCl, DCl, HBr, and DBr
- CO 2 gas lasers such as HF, DF, HCl, DCl, HBr, and DBr
- CO 2 gas lasers such as HF, DF, HCl, DCl, HBr, and DBr
- CO 2 gas lasers such as HF, DF, HCl, DCl, HBr, and
- the high nitrogen concentration region 18 may be provided in a part near the upper surface 16 a of the silicon containing film 16, and the entire silicon containing film 16 may be the high nitrogen concentration region 18.
- the vapor deposition film 20 may be provided on the upper surface 16a of the silicon-containing film 16 as in the stacked body 10a of FIG.
- a vapor deposition film 20 may be provided between the substrate 12 and the silicon-containing film 16 as in the laminated body 10b shown in FIG.
- the deposited film 20 is obtained by at least one of a physical vapor deposition method (PVD method) and a chemical vapor deposition method (CVD method).
- PVD method physical vapor deposition method
- CVD method chemical vapor deposition method
- the surface of the silicon-containing film 16 having the high nitrogen concentration region 18 of the present embodiment is excellent in thermal stability and smoothness, the influence of the unevenness of the substrate surface and thermal expansion and contraction, which are problematic when the vapor deposition film 20 is produced, is small.
- a dense vapor deposition film 20 can be formed.
- the silicon-containing film 16 has a defect site such as a pinhole in the vapor deposition film 20. Since it can be compensated, a higher gas barrier property can be exhibited than the silicon-containing film 16 or the vapor deposition film 20 of this embodiment.
- the vapor deposition film 20 used in this embodiment is made of an inorganic compound. Specifically, selected from Si, Ta, Nb, Al, In, W, Sn, Zn, Ti, Cu, Ce, Ca, Na, B, Pb, Mg, P, Ba, Ge, Li, K, Zr One or more metal oxides or nitrides or oxynitrides as a main component.
- the formation method of a vapor deposition film layer is implement
- the preferable film thickness of the vapor deposition film 20 is preferably in the range of 1 to 1000 nm, particularly in the range of 10 to 100 nm.
- the silicon-containing film 16 formed by the method of this embodiment described above has a high nitrogen concentration region 18.
- the nitrogen high concentration region 18 has a high refractive index, and the refractive index is 1.55 or more, preferably 1.55 to 2.1, and more preferably 1.58 to 2.1. Since the silicon-containing film of the present embodiment is entirely composed of the nitrogen high concentration region 18, the refractive index of the silicon-containing film 16 is in the above range.
- the silicon-containing film 16 of the present embodiment has a high refractive index and exhibits sufficient scratch resistance even with a relatively thin coat film thickness. Furthermore, it is excellent in transparency and adhesion to the substrate.
- the silicon-containing film 16 of the present embodiment includes, for example, various displays such as word processors, computers, and televisions, polarizing plates used in liquid crystal display devices, sunglasses lenses made of transparent plastics, lenses for glasses with degrees, contact lenses, It is also suitable for use as an optical lens such as a photochromic lens, a camera finder lens, a cover for various instruments, an optical member such as a window glass for automobiles, trains, etc., and a coating material for antireflection. it can.
- various displays such as word processors, computers, and televisions, polarizing plates used in liquid crystal display devices, sunglasses lenses made of transparent plastics, lenses for glasses with degrees, contact lenses, It is also suitable for use as an optical lens such as a photochromic lens, a camera finder lens, a cover for various instruments, an optical member such as a window glass for automobiles, trains, etc., and a coating material for antireflection. it can.
- Example 1 A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials) under a nitrogen atmosphere, A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying at 120 ° C. for 10 minutes. Drying was performed in an atmosphere having a water vapor concentration of about 500 ppm.
- NL110A manufactured by AZ Electronic Materials
- This polysilazane film was subjected to vacuum plasma treatment under the following conditions.
- Vacuum plasma processing equipment Utec Co., Ltd.
- Gas Ar Gas flow rate: 50 mL / min
- Pressure 19Pa
- Temperature Room temperature
- Applied power per electrode unit area 1.3 W / cm 2
- Frequency 13.56MHz Processing time: 5 min
- Example 2 A silicon substrate (thickness 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NN110A, manufactured by AZ Electronic Materials Co., Ltd.) without addition of a catalyst, A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in Example 1. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 1.
- Example 3 A polyethylene terephthalate (PET) film (thickness 50 ⁇ m, “A4100”, manufactured by Toyobo Co., Ltd.) was bar-coated with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) A polysilazane film having a thickness of 0.1 ⁇ m was produced by drying under the same conditions as in No. 1. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 1.
- PET polyethylene terephthalate
- Example 4 A PET film (thickness 50 ⁇ m, “A4100”, manufactured by Toyobo Co., Ltd.) was bar coated with a 5 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.5 ⁇ m was produced by drying under conditions. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 1.
- Example 5 A PET film (thickness 50 ⁇ m, “A4100”, manufactured by Toyobo Co., Ltd.) was bar coated with a 20 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 1.0 ⁇ m was produced by drying under conditions. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 1.
- Example 6 A polyimide film (thickness 20 ⁇ m, “Kapton 80EN”, manufactured by Toray DuPont Co., Ltd.) was bar-coated with a 5 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.5 ⁇ m was produced by drying under the above conditions. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 1.
- Example 7 A 20 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) is placed on an untreated surface of a polyethylene naphthalate (PEN) film (thickness: 100 ⁇ m, “Q65FA”, manufactured by Teijin DuPont Co., Ltd.). The resultant was coated and dried under the same conditions as in Example 1 to produce a polysilazane film having a thickness of 1.0 ⁇ m. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 1.
- PEN polyethylene naphthalate
- Example 8 A 20 wt% dibutyl ether solution of polysilazane (NL120A, manufactured by AZ Electronic Materials Co., Ltd.) is bar-coated on the corona-treated surface of a biaxially stretched polypropylene (OPP) film (thickness 30 ⁇ m, manufactured by Tosero Co., Ltd.) under a nitrogen atmosphere.
- OPP biaxially stretched polypropylene
- a polysilazane film having a thickness of 1.0 ⁇ m was produced by drying at 110 ° C. for 20 minutes. Drying was performed in an atmosphere having an oxygen concentration of about 500 ppm and a water vapor concentration of about 500 ppm. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 1.
- Example 9 A 20 wt% dibutyl ether solution of polysilazane (NL120A, manufactured by AZ Electronic Materials Co., Ltd.) is bar-coated on a surface subjected to UV ozone treatment on a cyclic polyolefin (Apel (registered trademark)) film (thickness: 100 ⁇ m, manufactured by Mitsui Chemicals, Inc.). And it dried on the conditions similar to Example 8, and produced the 1.0 micrometer-thick polysilazane film
- Example 10 An alumina-deposited PET film (thickness 12 ⁇ m, “TL-PET”, manufactured by Tosero Co., Ltd.) was bar-coated with a 5 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) A polysilazane film having a thickness of 0.5 ⁇ m was produced by drying under the same conditions as those described above. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 1.
- Example 11 A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 1.
- the above film was irradiated with ultraviolet rays (172 nm) for 20 minutes using an excimer lamp (“UEP20B”, “UER-172B”, manufactured by USHIO INC.) Under a nitrogen atmosphere.
- an excimer lamp (“UEP20B”, “UER-172B”, manufactured by USHIO INC.) Under a nitrogen atmosphere.
- Example 12 A PET film (thickness 50 ⁇ m, “A4100”, manufactured by Toyobo Co., Ltd.) was bar coated with a 5 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.5 ⁇ m was produced by drying under conditions. Subsequently, vacuum plasma treatment and ultraviolet irradiation were performed under the same conditions as in Example 11.
- Example 13 A 20 wt% dibutyl ether solution of polysilazane (NL120A, manufactured by AZ Electronic Materials Co., Ltd.) is bar-coated on a surface subjected to UV ozone treatment on a cyclic polyolefin (Apel (registered trademark)) film (thickness: 100 ⁇ m, manufactured by Mitsui Chemicals, Inc.). And it dried on the conditions similar to Example 8, and produced the 1.0 micrometer-thick polysilazane film
- a 20 wt% dibutyl ether solution of polysilazane (NL120A, manufactured by AZ Electronic Materials Co., Ltd.) is bar-coated on a surface subjected to UV ozone treatment on a cyclic polyolefin (Apel (registered trademark)) film (thickness: 100 ⁇ m, manufactured by Mitsui Chemicals
- Example 14 A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under conditions.
- This polysilazane film was subjected to vacuum plasma treatment under the following conditions.
- Vacuum plasma processing equipment Utec Co., Ltd.
- Gas N 2 Gas flow rate: 50 mL / min
- Pressure 19Pa
- Temperature Room temperature
- Applied power per electrode unit area 1.3 W / cm 2 Frequency: 13.56MHz Processing time: 5 min
- Example 15 A PET film (thickness 50 ⁇ m, “A4100”, manufactured by Toyobo Co., Ltd.) was bar coated with a 5 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.5 ⁇ m was produced by drying under conditions. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 14.
- Example 16 A polyimide film (thickness 20 ⁇ m, “Kapton 80EN”, manufactured by Toray DuPont Co., Ltd.) was bar-coated with a 5 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.5 ⁇ m was produced by drying under the above conditions. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 14.
- Example 17 A polyimide film (thickness 20 ⁇ m, “Kapton 80EN”, manufactured by Toray DuPont Co., Ltd.) was bar-coated with a 5 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.5 ⁇ m was produced by drying under the above conditions.
- Atmospheric pressure plasma processing equipment APT-02 (manufactured by Sekisui Chemical Co., Ltd.) Gas: Ar Gas flow rate: 20L / min Pressure: Atmospheric pressure Temperature: Room temperature (23 ° C) Applied power: about 120W Applied power per electrode unit area: 1.3 W / cm 2 DC power supply voltage and pulse frequency: 80 V, 30 kHz Scanning speed: 20mm / min Oxygen concentration: 20 ppm (0.002%) Water vapor concentration: Relative humidity: 0.1% RH
- Example 18 A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under conditions.
- the film was irradiated with ultraviolet rays (172 nm) for 15 minutes using an excimer lamp (“UEP20B”, “UER-172B”, manufactured by USHIO INC.) Under a nitrogen atmosphere.
- an excimer lamp (“UEP20B”, “UER-172B”, manufactured by USHIO INC.) Under a nitrogen atmosphere.
- Example 19 A polyimide film (thickness 20 ⁇ m, “Kapton 80EN”, manufactured by Toray DuPont Co., Ltd.) was bar-coated with a 5 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.5 ⁇ m was produced by drying under the above conditions.
- Example 20 A polyimide film (thickness 20 ⁇ m, “Kapton 80EN”, manufactured by Toray DuPont Co., Ltd.) was bar-coated with a 5 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.5 ⁇ m was produced by drying under the above conditions.
- an excimer lamp (“UEP20B”, “UER-172B”, USHIO INC. Under the N 2 atmosphere (normal pressure) adjusted to an oxygen concentration of 0.5% and a relative humidity of 0.5% RH UV light (172 nm) was used for 15 minutes.
- Comparative Example 1 As Comparative Example 1, the base material PET film (thickness 50 ⁇ m, “A4100”, manufactured by Toyobo Co., Ltd.) itself used in the examples was evaluated.
- Comparative Example 2 As Comparative Example 2, the base material polyimide film (thickness 20 ⁇ m, “Kapton 80EN”, manufactured by Toray DuPont Co., Ltd.) itself used in the examples was evaluated.
- Comparative Example 3 As Comparative Example 3, the PEN film (thickness 100 ⁇ m, “Q65FA”, manufactured by Teijin DuPont Co., Ltd.) itself used in the examples was evaluated.
- Comparative Example 4 As Comparative Example 4, the biaxially stretched polypropylene (OPP) film (thickness 50 ⁇ m, manufactured by Tosero Co., Ltd.) itself used in the examples was evaluated.
- OPP biaxially stretched polypropylene
- Comparative Example 5 As Comparative Example 5, the cyclic polyolefin (appel) film (thickness: 100 ⁇ m, manufactured by Mitsui Chemicals, Inc.) itself used in the examples was evaluated.
- Comparative Example 6 As Comparative Example 6, the alumina-deposited PET film (thickness 12 ⁇ m, “TL-PET”, manufactured by Tosero Co., Ltd.) itself used in the examples was evaluated.
- ⁇ Comparative Example 7> A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under conditions.
- ⁇ Comparative Example 9> A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under conditions. Subsequently, the polysilazane film was subjected to heat treatment at 250 ° C. for 1.5 hours in an air atmosphere.
- Example 10 ⁇ Comparative Example 10>
- a 0.5 ⁇ m polysilazane film was formed on a polyimide film (thickness 20 ⁇ m, “Kapton 80EN”, manufactured by Toray DuPont Co., Ltd.). Subsequently, the polysilazane film was subjected to heat treatment at 250 ° C. for 1.5 hours in an air atmosphere.
- ⁇ Comparative Example 11> A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under conditions.
- This polysilazane film was subjected to vacuum plasma treatment under the following conditions.
- Vacuum plasma processing equipment Utec Co., Ltd.
- Gas O 2
- Gas flow rate 50mL / min
- Pressure 50Pa
- Temperature Room temperature
- Applied power per electrode unit area 1.3 W / cm 2 Frequency: 13.56MHz Processing time: 5min
- Example 12 ⁇ Comparative Example 12> In the same manner as in Example 6, a 0.5 ⁇ m polysilazane film was formed on a polyimide film (thickness 20 ⁇ m, “Kapton 80EN”, manufactured by Toray DuPont Co., Ltd.). This polysilazane film was subjected to atmospheric pressure plasma treatment under the following conditions.
- Atmospheric pressure plasma processing equipment APT-02 (manufactured by Sekisui Chemical Co., Ltd.) Gas: Mixed gas of Ar and O 2 Gas flow rate: Ar 20 L / min, O 2 100 mL / min Pressure: Atmospheric pressure Temperature: Room temperature (23 ° C) Applied power: about 120W Applied power per electrode unit area: 1.3 W / cm 2 DC power supply voltage and pulse frequency: 80 V, 30 kHz Scanning speed: 20mm / min
- ⁇ Comparative Example 13> A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions. The polysilazane film was irradiated with ultraviolet rays (172 nm) for 15 minutes using an excimer lamp (“UEP20B”, “UER-172B”, manufactured by USHIO INC.) In an air atmosphere.
- an excimer lamp (“UEP20B”, “UER-172B”, manufactured by USHIO INC.
- ⁇ Comparative example 14> In the same manner as in Example 6, a 0.5 ⁇ m polysilazane film was formed on a polyimide film (thickness 20 ⁇ m, “Kapton 80EN”, manufactured by Toray DuPont Co., Ltd.). Similarly to Comparative Example 13, this polysilazane film was irradiated with ultraviolet rays (172 nm) for 15 minutes using an excimer lamp (“UEP20B”, “UER-172B”, manufactured by USHIO INC.) In an air atmosphere.
- an excimer lamp (“UEP20B”, “UER-172B”, manufactured by USHIO INC.
- ⁇ Comparative Example 15> A polyimide film (thickness 20 ⁇ m, “Kapton 80EN”, manufactured by Toray DuPont Co., Ltd.) was bar-coated with a 5 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.). A polysilazane film having a thickness of 0.5 ⁇ m was produced by drying under the above conditions.
- an excimer lamp (“UEP20B”, “UER-172B”, manufactured by USHIO INC.) In a gas atmosphere (oxygen concentration: 1%, relative humidity: 5% RH) in which N 2 is added to the above film. Was irradiated with ultraviolet rays (172 nm) for 15 minutes.
- ⁇ Comparative Example 16> A polyethylene terephthalate (PET) film (thickness 50 ⁇ m, “A4100”, manufactured by Toyobo Co., Ltd.) was bar-coated with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) A polysilazane film having a thickness of 0.1 ⁇ m was produced by drying under the same conditions as in No. 1.
- This polysilazane film was subjected to vacuum plasma treatment under the following conditions.
- Vacuum plasma processing equipment Utec Co., Ltd.
- Gas O 2
- Gas flow rate 50mL / min
- Pressure 50Pa
- Temperature Room temperature
- Applied power per electrode unit area 1.3 W / cm 2 Frequency: 13.56MHz Processing time: 5min
- composition ratio of the film constituent elements in the film depth direction was measured using an X-ray photoelectron spectroscopy (XPS) apparatus (“ESCALAB220iXL”, manufactured by VG). (X-ray source Al-K ⁇ , argon sputtered, SiO 2 conversion 0.05 nm / sputtering second)
- FT-IR infrared visible spectroscopy
- the peak top attributed to O—Si—O or O—Si—N in Non-Patent Document 2 is more effective than the peak peak attributed to O—Si—O or O—Si—N.
- ⁇ Oxygen permeability measurement> The measurement was performed in an atmosphere of 23 ° C. and 90% RH using an oxygen permeability measuring apparatus (“OX-TRAN2 / 21”, manufactured by MOCON) using an isobaric method-electrolytic electrode method.
- the lower limit of detection of this device is 0.01 cc / m 2 ⁇ day, atm.
- the composition ratio of the film constituent elements in the film depth direction was measured by X-ray photoelectron spectroscopy (XPS). The results are shown in FIG. In the chart of FIG. 4, the vertical axis represents the composition ratio (atom.%) Of the constituent element, and the horizontal axis represents the film depth (nm). It was found that a nitrogen high-concentration region layer composed of Si, O, and N was formed at a depth of about 50 nm (0.05 ⁇ m) from the film surface layer. Further, it was found that the inside of the film had an O / Si ratio of about 2, and a silicon oxide (silica) layer was formed.
- XPS X-ray photoelectron spectroscopy
- the region having a film depth of 0 to 50 nm is a high nitrogen concentration region
- the region having a film depth of 50 to 375 nm is a region made of silicon oxide (silica)
- the region having a film depth of 375 to 450 nm is a substrate. It is.
- Example 14 Further, from the results of Example 14 in Table 1, even when nitrogen gas was used in the vacuum plasma processing, the N / (O + N) ratio was 0.5, and the Ar gas of Example 1 was used for the plasma processing. As in the case, it was found that the film was formed from a nitrogen high concentration region composed of Si, O, and N.
- Example 18 the N / (O + N) ratio was 0.5 even when ultraviolet irradiation was performed in a nitrogen atmosphere. Further, the N / (O + N) ratio measured by XPS was 0.57, which almost coincided. From these results, it was found that, as in the plasma treatment of Example 1, the film was formed from a high nitrogen concentration region composed of Si, O, and N.
- Example 1 when Example 1 was compared with Examples 2 and 11, the N / (O + N) ratio of Examples 2 and 11 was 0.5 or more, with more nitrogen atoms than oxygen atoms. From this result, it was found that the nitrogen-containing concentration can be further increased by using polysilazane without addition of catalyst as in Example 2 or by adding ultraviolet irradiation as in Example 11.
- Table 2 shows the measurement results of oxygen and water vapor permeability.
- the polysilazane film was subjected to vacuum or atmospheric pressure plasma treatment as in Examples 3 to 10, 12, 13, and 15 to 17, so that it did not depend on the substrate.
- the oxygen and water vapor permeability was very low, indicating a very high oxygen and water vapor barrier property.
- Example 10 it was found that when an alumina-deposited PET film was used, a high oxygen / water vapor barrier property was exhibited even though the PET film was thin. From this, it is presumed that even when a deposited film is formed on the silicon-containing film, a high oxygen / water vapor barrier property is exhibited.
- Example 19 it was found that even when irradiated with ultraviolet rays in a nitrogen atmosphere, a high oxygen / water vapor barrier property was exhibited.
- the silica film formed by the heat treatment of the polysilazane film as in Comparative Example 10 had higher oxygen and water vapor permeability and lower oxygen and water vapor barrier properties than the Example.
- Comparative Example 12 when a mixed gas of Ar and O 2 is used as a gas species and plasma treatment is performed under normal pressure, the oxygen permeability is not different from that in the example, but the water vapor permeability is increased and the water vapor is increased. It was found that the barrier property was low.
- Comparative Example 16 when oxygen is used as a gas species and plasma treatment is performed under vacuum, the oxygen permeability of the obtained silicon-containing film is not different from that of the silicon-containing film of the example, but Ar or N 2 It was found that the water vapor permeability was higher and the water vapor barrier property was lower than when gas was used.
- Examples 21 to 33 and Comparative Examples 17 to 25 below describe the laminate of the present invention when used as an optical high refractive index film.
- a silicon substrate is used as a measurement base material instead of a resin base material in order to measure the refractive index.
- the relative humidity was measured using a wet thermometer (testo625, manufactured by Testo Co., Ltd.).
- the oxygen concentration was measured using an oxygen sensor (JKO-O2LJDII, manufactured by Zico Corporation).
- Example 21 Spin a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) with palladium catalyst (hereinafter abbreviated as Pd catalyst) on a silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) Coating (10 s, 3000 rpm) and drying for 10 minutes at 120 ° C. in a nitrogen atmosphere produced a 0.025 ⁇ m thick polysilazane film. Drying was performed in an atmosphere with a relative humidity of about 0.5%.
- Pd catalyst palladium catalyst
- This polysilazane film was subjected to vacuum plasma treatment under the following conditions.
- Vacuum plasma processing equipment Utec Co., Ltd.
- Example 22 A silicon substrate (thickness 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) added with a Pd catalyst, A polysilazane film having a thickness of 0.08 ⁇ m was produced by drying under the same conditions as in Example 21. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 21.
- Example 23 A silicon substrate (thickness 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NN110A, manufactured by AZ Electronic Materials Co., Ltd.) without addition of a catalyst, A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in Example 21. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 21.
- Example 24 A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) added with a Pd catalyst.
- a polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in No. 21.
- This polysilazane film was subjected to vacuum plasma treatment under the following conditions.
- Vacuum plasma processing equipment Utec Co., Ltd.
- Example 25 A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) added with a Pd catalyst.
- a polysilazane film having a thickness of 0.08 ⁇ m was produced by drying under the same conditions as in No. 21. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 24.
- Example 26 A silicon substrate (thickness 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NN110A, manufactured by AZ Electronic Materials Co., Ltd.) without addition of a catalyst.
- a polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in No. 21. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 24.
- Example 27 A silicon substrate (thickness 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NN110A, manufactured by AZ Electronic Materials Co., Ltd.) without addition of a catalyst.
- a polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in No. 21. Under an N 2 atmosphere (under normal pressure, oxygen concentration 0.005%, relative humidity 0.1%), an excimer lamp (“UER-172B”, manufactured by USHIO INC.) was used for 20 minutes with ultraviolet rays (172 nm). Irradiated.
- Example 28 A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) added with a Pd catalyst.
- a polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in No. 21.
- Step 2 Ultraviolet irradiation Under an N 2 atmosphere (under normal pressure, oxygen concentration of about 0.01%, relative humidity of about 0.1%), using an excimer lamp (“UER-172B”, manufactured by USHIO INC.) Ultraviolet rays (172 nm) were irradiated for 20 minutes.
- URR-172B excimer lamp
- Example 29 A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) added with a Pd catalyst.
- a polysilazane film having a thickness of 0.08 ⁇ m was produced by drying under the same conditions as in No. 21. Subsequently, vacuum plasma treatment and ultraviolet irradiation were performed under the same conditions as in Example 28.
- Example 30 A silicon substrate (thickness 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NN110A, manufactured by AZ Electronic Materials Co., Ltd.) without addition of a catalyst.
- a polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in No. 21. Subsequently, vacuum plasma treatment and ultraviolet irradiation were performed under the same conditions as in Example 28.
- Example 31 A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) added with a Pd catalyst.
- a polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in No. 21. Subsequently, the polysilazane film was subjected to atmospheric pressure plasma treatment under the following conditions.
- Atmospheric pressure plasma processing equipment APT-02 (manufactured by Sekisui Chemical Co., Ltd.) Gas: Ar Gas flow rate: 20L / min Pressure: Atmospheric pressure Temperature: Room temperature (23 ° C) Applied power: about 120W Applied power per electrode unit area: 1.3 W / cm 2 DC power supply voltage and pulse frequency: 80 V, 30 kHz Scanning speed: 20mm / min Oxygen concentration: 0.002% Relative humidity: 0.1% RH
- Example 32 A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NN110A, manufactured by AZ Electronic Materials Co., Ltd.) added with a catalyst,
- Example 21 A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in Example 1. The inside of the system was evacuated to about 10 Pa using a rotary pump, and then irradiated with ultraviolet rays (172 nm) for 20 minutes using an excimer lamp (“UER-172VB”, manufactured by USHIO INC.).
- Example 33 10 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) with Pd catalyst added to a polythiourethane base material (MR-7, manufactured by Pentax) for a spectacle lens having a refractive index of 1.70 Was spin-coated (10 s, 3000 rpm) and dried under the same conditions as in Example 21 to produce a polysilazane film having a thickness of 0.17 ⁇ m. Subsequently, vacuum plasma treatment was performed under the same conditions as in Example 24.
- ⁇ Comparative Example 17> A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) added with a Pd catalyst. A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in No. 21.
- ⁇ Comparative Example 18> A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) added with a Pd catalyst. A polysilazane film having a thickness of 0.08 ⁇ m was produced by drying under the same conditions as in No. 21.
- ⁇ Comparative Example 19> A silicon substrate (thickness 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NN110A, manufactured by AZ Electronic Materials Co., Ltd.) without addition of a catalyst.
- a polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in No. 21.
- ⁇ Comparative Example 20> A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) added with a Pd catalyst.
- a polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in No. 21. Subsequently, the polysilazane film was subjected to heat treatment at 250 ° C. for 1.5 hours in an air atmosphere.
- ⁇ Comparative Example 21> A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) added with a Pd catalyst. A polysilazane film having a thickness of 0.08 ⁇ m was produced by drying under the same conditions as in No. 21. Subsequently, heat treatment was performed in the same manner as in Comparative Example 20.
- ⁇ Comparative Example 22> A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of polysilazane (NN110A, manufactured by AZ Electronic Materials Co., Ltd.) without Pd catalyst. A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in No. 21. Subsequently, heat treatment was performed in the same manner as in Comparative Example 20.
- Example 23 A silicon substrate (thickness: 530 ⁇ m, manufactured by Shin-Etsu Chemical Co., Ltd.) was spin-coated (10 s, 3000 rpm) with a 2 wt% xylene (dehydrated) solution of Pd-catalyzed polysilazane (NN110A, manufactured by AZ Electronic Materials Co., Ltd.), Example 21 A polysilazane film having a thickness of 0.025 ⁇ m was produced by drying under the same conditions as in Example 1. Under an air atmosphere, ultraviolet rays (172 nm) were irradiated for 20 minutes using an excimer lamp (“UER-172B”, manufactured by USHIO INC.).
- ⁇ Comparative Example 24 10 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) with Pd catalyst added to a polythiourethane base material (MR-7, manufactured by Pentax) for a spectacle lens having a refractive index of 1.70 Was spin-coated (10 s, 3000 rpm) and dried under the same conditions as in Example 21 to produce a polysilazane film having a thickness of 0.17 ⁇ m.
- MR-7 polythiourethane base material
- ⁇ Comparative Example 25 10 wt% xylene (dehydrated) solution of polysilazane (NL110A, manufactured by AZ Electronic Materials Co., Ltd.) with Pd catalyst added to a polythiourethane base material (MR-7, manufactured by Pentax) for a spectacle lens having a refractive index of 1.70 Was spin-coated (10 s, 3000 rpm) and dried under the same conditions as in Example 21 to produce a polysilazane film having a thickness of 0.17 ⁇ m. Subsequently, the polysilazane film was subjected to heat treatment at 250 ° C. for 1.5 hours in an air atmosphere.
- MR-7 polythiourethane base material
- Transparency was observed visually and compared with the transparency of the substrate, and evaluated according to the following criteria. ⁇ : Equivalent to the transparency of the substrate. X: Transparency is inferior to a base material.
- ⁇ Oxygen permeability measurement> The measurement was performed in an atmosphere of 23 ° C. and 90% RH using an oxygen permeability measuring apparatus (“OX-TRAN2 / 21”, manufactured by MOCON) using an isobaric method-electrolytic electrode method.
- the lower limit of detection of this device is 0.01 cc / m 2 ⁇ day, atm.
- the films subjected to plasma treatment (Examples 21 to 26, 31) or the films subjected to ultraviolet irradiation treatment in a nitrogen atmosphere (Examples 27 and 32) are comparative examples 17 to 23.
- the refractive index was 1.58 or higher compared to the untreated film.
- the refractive index of the film subjected to both plasma treatment and ultraviolet irradiation under a nitrogen atmosphere was further improved.
- the refractive index was different depending on whether the catalyst was added (Examples 21, 24, 25) or not added (Examples 23, 26, 30). From this result, it was found that the refractive index can be controlled by the presence or absence of addition of a catalyst.
- the oxygen transmission rate was as high as 0.05 cc / m 2 ⁇ day and the water vapor transmission rate was as high as 0.01 g / m 2 ⁇ day. Gas barrier properties were exhibited.
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Abstract
Description
式:窒素原子の組成比/(酸素原子の組成比+窒素原子の組成比)。
式:窒素原子の組成比/(珪素原子の組成比+酸素原子の組成比+窒素原子の組成比)。
式:窒素原子の組成比/(酸素原子の組成比+窒素原子の組成比)。
式:窒素原子の組成比/(珪素原子の組成比+酸素原子の組成比+窒素原子の組成比)。
式:窒素原子の組成比/(酸素原子の組成比+窒素原子の組成比)。
基材12として使用できる材料としては、シリコン等の金属基板、ガラス基板、セラミックス基板、樹脂フィルム等が挙げられる。本実施形態において、基材12として樹脂フィルムを用いる。
また、基材12の厚みは、用途により適宜選択することができる。
シリコン含有膜16は、基材12上に形成されたポリシラザン膜14に酸素または水蒸気を実質的に含まない雰囲気下でエネルギー照射を行い、このポリシラザン膜14の少なくとも一部を変性して、窒素高濃度領域18を形成することにより得られる。したがって、シリコン含有膜16は、その上面16aの近傍に窒素高濃度領域18を有する(図1(b))。本実施形態において「上面16aの近傍」とは、シリコン含有膜16の上面16aから下方向に深さ50nmの領域、好ましくは上面16aから下方向に深さ30nmの領域を意味する。
窒素原子の組成比/(珪素原子の組成比+酸素原子の組成比+窒素原子の組成比)。
窒素高濃度領域18は、好ましくは、0.01μm以上0.2μm以下、より好ましくは、0.01μm以上0.1μm以下の厚みを有する。
式:窒素原子の組成比/(酸素原子の組成比+窒素原子の組成比)。
式:窒素原子の組成比/(珪素原子の組成比+酸素原子の組成比+窒素原子の組成比)
シリコン含有膜16の膜厚:0.1μm
40℃、湿度90%。
本実施形態の積層体10の製造方法は、以下の工程(a)、(b)および(c)を含む。以下、図面を用いて説明する。
(b)塗膜を低酸素・低水分濃度雰囲気下において乾燥し、ポリシラザン膜14を形成する工程。
(c)ポリシラザン膜14に酸素または水蒸気を実質的に含まない雰囲気下でエネルギー線照射を行い、ポリシラザン膜14の少なくとも一部を変性し、窒素高濃度領域18を含むシリコン含有膜16を形成する工程(図1(a)、(b))。
工程(a)においては、基材12上にポリシラザンを含む塗膜を形成する。
塗膜を形成する方法としては特に限定されないが、湿式法で形成することが好ましく、具体的にはポリシラザン含有液を塗布する方法が挙げられる。
(RCOO)nM
式中、Rは炭素原子数1~22個の脂肪族基又は脂環式基であり、Mは下記金属群から選択される少なくとも1種の金属を表し、nは金属Mの原子価である。
(CH3COCHCOCH3)nM
式中、Mはn価の金属を表す。
アミン化合物の代表例として、下記一般式で表されるものが挙げられる。
R4R5R6N
工程(b)においては、工程(a)で形成されたポリシラザンを含む塗膜を、低酸素・低水分濃度雰囲気下において乾燥し、ポリシラザン膜14を形成する。
工程(c)においては、ポリシラザン膜14に、酸素または水蒸気を実質的に含まない雰囲気下でエネルギー線照射を行い、ポリシラザン膜14の少なくとも一部を変性し、窒素高濃度領域18を含むシリコン含有膜16を形成する。エネルギー線照射としては、プラズマ処理または紫外線処理を挙げることができ、これらを組み合わせて処理することもできる。
エネルギー照射は、真空~大気圧の圧力範囲で行うことができる。
プラズマ処理としては、大気圧プラズマ処理または真空プラズマ処理が挙げられる。
真空下における酸素濃度および水蒸気濃度は、一般的に、酸素分圧および水蒸気分圧で
評価される。
紫外線処理は、大気圧下または真空下で行うことができる。具体的には、酸素および水蒸気を実質的に含まない雰囲気下、大気圧下または真空下で行うことができる。または、紫外線処理は、酸素濃度0.5%(5000ppm)以下、好ましくは0.1%(1000ppm)以下、相対湿度0.5%以下、好ましくは0.1%以下の低酸素・低水蒸気濃度雰囲気下において行うことができる。上記の低水蒸気濃度雰囲気下(常圧)においてプラズマ処理を行う場合は、不活性ガスまたは希ガスまたは還元ガス雰囲気中にて行うことが好ましい。
以下の実施例1~20および比較例1~16では、ガスバリア性積層体として使用する場合の本発明の積層体について説明する。
シリコン基板(厚さ530μm、信越化学工業株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、窒素雰囲気下、120℃で10分間乾燥して、厚さ0.025μmのポリシラザン膜を作製した。乾燥は、水蒸気濃度500ppm程度の雰囲気下で行った。
真空プラズマ処理装置:ユーテック株式会社製
ガス:Ar
ガス流量:50mL/min
圧力:19Pa
温度:室温
電極単位面積あたりの印加電力:1.3W/cm2
周波数:13.56MHz
処理時間:5min
シリコン基板(厚さ530μm、信越化学工業株式会社製)に、触媒無添加のポリシラザン(NN110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例1と同様の条件にて乾燥して厚さ0.025μmのポリシラザン膜を作製した。
続いて、実施例1と同様の条件にて真空プラズマ処理を施した。
ポリエチレンテレフタレート(PET)フィルム(厚さ50μm、「A4100」、東洋紡績株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.1μmのポリシラザン膜を作製した。
続いて、実施例1と同様の条件にて真空プラズマ処理を施した。
PETフィルム(厚さ50μm、「A4100」、東洋紡績株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の5wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.5μmのポリシラザン膜を作製した。
続いて、実施例1と同様の条件にて真空プラズマ処理を施した。
PETフィルム(厚さ50μm、「A4100」、東洋紡績株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の20wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ1.0μmのポリシラザン膜を作製した。
続いて、実施例1と同様の条件にて真空プラズマ処理を施した。
ポリイミドフィルム(厚さ20μm、「カプトン80EN」、東レデュポン株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の5wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.5μmのポリシラザン膜を作製した。
続いて、実施例1と同様の条件にて真空プラズマ処理を施した。
ポリエチレンナフタレート(PEN)フィルム(厚さ100μm、「Q65FA」、帝人デュポン株式会社製)の未処理面に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の20wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ1.0μmのポリシラザン膜を作製した。
続いて、実施例1と同様の条件にて真空プラズマ処理を施した。
二軸延伸ポリプロピレン(OPP)フィルム(厚さ30μm、東セロ株式会社製)のコロナ処理面に、ポリシラザン(NL120A、AZエレクトロニックマテリアルズ株式会社製)の20wt%ジブチルエーテル溶液をバーコートし、窒素雰囲気下110℃で20分間乾燥して厚さ1.0μmのポリシラザン膜を作製した。乾燥は、酸素濃度500ppm程度、水蒸気濃度500ppm程度の雰囲気下で行った。
続いて、実施例1と同様の条件にて真空プラズマ処理を施した。
環状ポリオレフィン(アペル(登録商標))フィルム(厚さ100μm、三井化学株式会社製)をUVオゾン処理した面に、ポリシラザン(NL120A、AZエレクトロニックマテリアルズ株式会社製)の20wt%ジブチルエーテル溶液をバーコートし、実施例8と同様の条件にて乾燥して厚さ1.0μmのポリシラザン膜を作製した。
続いて、実施例1と同様の条件にて真空プラズマ処理を施した。
アルミナ蒸着PETフィルム(厚さ12μm、「TL-PET」、東セロ株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の5wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.5μmのポリシラザン膜を作製した。
続いて、実施例1と同様の条件にて真空プラズマ処理を施した。
シリコン基板(厚さ530μm、信越化学工業株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例1と同様の条件にて乾燥して厚さ0.025μmのポリシラザン膜を作製した。
続いて、実施例1と同様の条件にて真空プラズマ処理を施した。
PETフィルム(厚さ50μm、「A4100」、東洋紡績株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の5wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.5μmのポリシラザン膜を作製した。
続いて、実施例11と同様の条件にて真空プラズマ処理および紫外線照射を施した。
環状ポリオレフィン(アペル(登録商標))フィルム(厚さ100μm、三井化学株式会社製)をUVオゾン処理した面に、ポリシラザン(NL120A、AZエレクトロニックマテリアルズ株式会社製)の20wt%ジブチルエーテル溶液をバーコートし、実施例8と同様の条件にて乾燥して厚さ1.0μmのポリシラザン膜を作製した。
続いて、実施例11と同様の条件にて真空プラズマ処理および紫外線照射を施した。
シリコン基板(厚さ530μm、信越化学工業製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例1と同様の条件にて乾燥して厚さ0.025μmのポリシラザン膜を作製した。
真空プラズマ処理装置:ユーテック株式会社製
ガス:N2
ガス流量:50mL/min
圧力:19Pa
温度:室温
電極単位面積あたりの印加電力:1.3W/cm2
周波数:13.56MHz
処理時間:5min
PETフィルム(厚さ50μm、「A4100」、東洋紡績株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の5wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.5μmのポリシラザン膜を作製した。
続いて、実施例14と同様の条件にて真空プラズマ処理を施した。
ポリイミドフィルム(厚さ20μm、「カプトン80EN」、東レデュポン株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の5wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.5μmのポリシラザン膜を作製した。
続いて、実施例14と同様の条件にて真空プラズマ処理を施した。
ポリイミドフィルム(厚さ20μm、「カプトン80EN」、東レデュポン株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の5wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.5μmのポリシラザン膜を作製した。
大気圧プラズマ処理装置:APT-02(積水化学株式会社製)
ガス:Ar
ガス流量: 20L/min
圧力:大気圧
温度:室温(23℃)
印加電力:約120W
電極単位面積あたりの印加電力:1.3W/cm2
DC電源の電圧およびパルス周波数:80V、30kHz
走査速度: 20mm/min
酸素濃度:20ppm(0.002%)
水蒸気濃度:相対湿度:0.1%RH
シリコン基板(厚さ530μm、信越化学工業製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例1と同様の条件にて乾燥して厚さ0.025μmのポリシラザン膜を作製した。
ポリイミドフィルム(厚さ20μm、「カプトン80EN」、東レデュポン株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の5wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.5μmのポリシラザン膜を作製した。
ポリイミドフィルム(厚さ20μm、「カプトン80EN」、東レデュポン株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の5wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.5μmのポリシラザン膜を作製した。
比較例1として、実施例で用いた基材のPETフィルム(厚さ50μm、「A4100」、東洋紡績株式会社製)自体を評価した。
比較例2として、実施例で用いた基材のポリイミドフィルム(厚さ20μm、「カプトン80EN」、東レデュポン株式会社製)自体を評価した。
比較例3として、実施例で用いた基材のPENフィルム(厚さ100μm、「Q65FA」、帝人デュポン株式会社製)自体を評価した。
比較例4として、実施例で用いた二軸延伸ポリプロピレン(OPP)フィルム(厚さ50μm、東セロ株式会社製)自体を評価した。
比較例5として、実施例で用いた環状ポリオレフィン(アペル)フィルム(厚さ100μm、三井化学株式会社製)自体を評価した。
比較例6として、実施例で用いたアルミナ蒸着PETフィルム(厚さ12μm、「TL-PET」、東セロ株式会社製)自体を評価した。
シリコン基板(厚さ530μm、信越化学工業製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例1と同様の条件にて乾燥して厚さ0.025μmのポリシラザン膜を作製した。
シリコン基板(厚さ530μm、信越化学工業製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例1と同様の条件にて乾燥して厚さ0.025μmのポリシラザン膜を作製した。
続いて、このポリシラザン膜に、空気雰囲気下、250℃で1.5時間、加熱処理を施した。
実施例6と同様の操作で、ポリイミドフィルム(厚さ20μm、「カプトン80EN」、東レデュポン株式会社製)上に0.5μmのポリシラザン膜を作製した。
続いて、このポリシラザン膜に、空気雰囲気下、250℃で1.5時間加熱処理を施した。
シリコン基板(厚さ530μm、信越化学工業製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例1と同様の条件にて乾燥して厚さ0.025μmのポリシラザン膜を作製した。
真空プラズマ処理装置:ユーテック株式会社製
ガス:O2
ガス流量: 50mL/min
圧力:50Pa
温度:室温
電極単位面積あたりの印加電力:1.3W/cm2
周波数:13.56MHz
処理時間: 5min
実施例6と同様の操作で、ポリイミドフィルム(厚さ20μm、「カプトン80EN」、東レデュポン株式会社製)上に0.5μmのポリシラザン膜を作製した。このポリシラザン膜に下記条件にて大気圧プラズマ処理を施した。
ガス:ArおよびO2の混合ガス
ガス流量:Ar 20L/min、O2 100mL/min
圧力:大気圧
温度:室温(23℃)
印加電力:約120W
電極単位面積あたりの印加電力:1.3W/cm2
DC電源の電圧およびパルス周波数:80V、30kHz
走査速度:20mm/min
シリコン基板(厚さ530μm、信越化学工業株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例1と同様の条件にて乾燥して厚さ0.025μmのポリシラザン膜を作製した。このポリシラザン膜に空気雰囲気下で、エキシマランプ(「UEP20B」、「UER-172B」、ウシオ電機株式会社製)を用いて、紫外線(172nm)を15分間照射した。
実施例6と同様の操作で、ポリイミドフィルム(厚さ20μm、「カプトン80EN」、東レデュポン株式会社製)上に0.5μmのポリシラザン膜を作製した。比較例13と同様に、このポリシラザン膜に空気雰囲気下で、エキシマランプ(「UEP20B」、「UER-172B」、ウシオ電機株式会社製)を用いて、紫外線(172nm)を15分間照射した。
ポリイミドフィルム(厚さ20μm、「カプトン80EN」、東レデュポン株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の5wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.5μmのポリシラザン膜を作製した。
ポリエチレンテレフタレート(PET)フィルム(厚さ50μm、「A4100」、東洋紡績株式会社製)に、ポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をバーコートし、実施例1と同様の条件にて乾燥して厚さ0.1μmのポリシラザン膜を作製した。
真空プラズマ処理装置:ユーテック株式会社製
ガス:O2
ガス流量: 50mL/min
圧力:50Pa
温度:室温
電極単位面積あたりの印加電力:1.3W/cm2
周波数:13.56MHz
処理時間: 5min
X線光電子分光(XPS)装置(「ESCALAB220iXL」、VG社製)を用い、膜深さ方向の膜構成元素の組成比を測定した。(X線源 Al-Kα、アルゴンスパッタ SiO2換算0.05nm/スパッタ秒)
赤外可視分光(FT-IR)装置(「FT/IR-300E」、日本分光株式会社製)を用い、FT-IRスペクトルを測定し、膜の構造を分析した。
40℃90%RH雰囲気下で、等圧法-赤外線センサー法を用いた水蒸気透過度測定装置(「PERMATRAN3 /31」、MOCON社製)を用いて測定した。本装置の検出下限値は、0.01g/m2・dayである。
実施例4および6、比較例1および2において、スチールウールNo.000を用い、フィルム表面を600g荷重で往復10回擦った。続いて、目視にてフィルム表面の傷の有無を観察した。
23℃90%RH雰囲気下で、等圧法-電解電極法を用いた酸素透過度測定装置(「OX-TRAN2/21」、MOCON社製)を用いて測定した。本装置の検出下限値は、0.01cc/m2・day,atmである。
使用した装置の出口ガスの酸素濃度を、酸素センサー(JKO-O2LJDII、ジコー株式会社製)を用いて測定した。結果を、酸素濃度(%)として表2に示す。
使用した装置の出口ガスの水蒸気濃度(相対湿度)を、温湿度計(TESTO625、テストー株式会社製)を用いて測定した。結果を、水蒸気濃度(%RH)として表2に示す。
このような結果から、実施例1のプラズマ処理と同様に、Si、O、Nから成る窒素高濃度領域から形成されていることが分かった。
なお、以下の実施例および比較例において、相対湿度は、湿温度計(testo625、テストー株式会社製)を用いて測定した。また、酸素濃度は、酸素センサー(JKO-O2LJDII、ジコー株式会社製)を用いて測定した。
シリコン基板(厚さ530μm、信越化学工業株式会社製)に、パラジウム触媒(以下、Pd触媒と略す)添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、窒素雰囲気下で120℃で10分間乾燥して厚さ0.025μmのポリシラザン膜を作製した。乾燥は、相対湿度0.5%程度の雰囲気下で行った。
真空プラズマ処理装置:ユーテック株式会社製
ガス:Ar
圧力:19Pa
温度:室温
単位電極面積あたりの電力:1.3W/cm2
周波数:13.56MHz
処理時間: 5min
シリコン基板(厚さ530μm、信越化学工業株式会社製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.08μmのポリシラザン膜を作製した。
続いて、実施例21と同様の条件にて真空プラズマ処理を施した。
シリコン基板(厚さ530μm、信越化学工業株式会社製)に、触媒無添加のポリシラザン(NN110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。
続いて、実施例21と同様の条件にて真空プラズマ処理を施した。
シリコン基板(厚さ530μm、信越化学工業製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。
真空プラズマ処理装置:ユーテック株式会社製
ガス:N2
圧力:19Pa
温度:室温
単位電極面積あたりの電力:1.3W/cm2
周波数:13.56MHz
処理時間: 5min
シリコン基板(厚さ530μm、信越化学工業製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.08μmのポリシラザン膜を作製した。
続いて、実施例24と同様の条件にて真空プラズマ処理を施した。
シリコン基板(厚さ530μm、信越化学工業製)に、触媒無添加のポリシラザン(NN110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。
続いて、実施例24と同様の条件にて真空プラズマ処理を施した。
シリコン基板(厚さ530μm、信越化学工業製)に、触媒無添加のポリシラザン(NN110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。N2雰囲気下(常圧下、酸素濃度0.005%、相対湿度0.1%)で、エキシマランプ(「UER-172B」、ウシオ電機株式会社製)を用いて、紫外線(172nm)を20分間照射した。
シリコン基板(厚さ530μm、信越化学工業製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。
工程1)真空プラズマ処理
真空プラズマ処理装置:ユーテック株式会社製
ガス:Ar
ガス流量:50mL/min
圧力:19Pa
温度:室温
電力:100W
周波数:13.56MHz
処理時間: 5min
N2雰囲気下(常圧下、酸素濃度0.01%程度、相対湿度0.1%程度)で、エキシマランプ(「UER-172B」、ウシオ電機株式会社製)を用いて、紫外線(172nm)を20分間照射した。
シリコン基板(厚さ530μm、信越化学工業製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.08μmのポリシラザン膜を作製した。
続いて、実施例28と同様の条件にて真空プラズマ処理および紫外線照射を施した。
シリコン基板(厚さ530μm、信越化学工業製)に、触媒無添加のポリシラザン(NN110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。
続いて、実施例28と同様の条件にて真空プラズマ処理および紫外線照射を施した。
シリコン基板(厚さ530μm、信越化学工業製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。
続いて、このポリシラザン膜に下記条件にて大気圧プラズマ処理を施した。
大気圧プラズマ処理装置:APT-02(積水化学株式会社製)
ガス:Ar
ガス流量: 20L/min
圧力:大気圧
温度:室温(23℃)
印加電力:約120W
電極単位面積あたりの印加電力:1.3W/cm2
DC電源の電圧およびパルス周波数:80V、30kHz
走査速度: 20mm/min
酸素濃度:0.002%
相対湿度:0.1%RH
シリコン基板(厚さ530μm、信越化学工業製)に、触媒添加のポリシラザン(NN110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。ロータリーポンプを用いて、系内を10Pa程度まで真空引きした後、エキシマランプ(「UER-172VB」、ウシオ電機株式会社製)を用いて、紫外線(172nm)を20分間照射した。
屈折率:1.70のメガネレンズ用のポリチオウレタン基材(MR-7、ペンタックス製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の10wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.17μmのポリシラザン膜を作製した。
続いて、実施例24と同様の条件にて真空プラズマ処理を施した。
シリコン基板(厚さ530μm、信越化学工業製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。
シリコン基板(厚さ530μm、信越化学工業製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.08μmのポリシラザン膜を作製した。
シリコン基板(厚さ530μm、信越化学工業製)に、触媒無添加のポリシラザン(NN110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。
シリコン基板(厚さ530μm、信越化学工業製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。
続いて、このポリシラザン膜を空気雰囲気において250℃、1.5時間加熱処理を施した。
シリコン基板(厚さ530μm、信越化学工業製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.08μmのポリシラザン膜を作製した。
続いて、比較例20と同様に熱処理を施した。
シリコン基板(厚さ530μm、信越化学工業製)に、Pd触媒無添加ポリシラザン(NN110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。
続いて、比較例20と同様に熱処理を施した。
シリコン基板(厚さ530μm、信越化学工業製)に、Pd触媒添加ポリシラザン(NN110A、AZエレクトロニックマテリアルズ株式会社製)の2wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.025μmのポリシラザン膜を作製した。
空気雰囲気下で、エキシマランプ(「UER-172B」、ウシオ電機株式会社製)を用いて、紫外線(172nm)を20分間照射した。
屈折率:1.70のメガネレンズ用のポリチオウレタン基材(MR-7、ペンタックス製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の10wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.17μmのポリシラザン膜を作製した。
屈折率:1.70のメガネレンズ用のポリチオウレタン基材(MR-7、ペンタックス製)に、Pd触媒添加のポリシラザン(NL110A、AZエレクトロニックマテリアルズ株式会社製)の10wt%キシレン(脱水)溶液をスピンコート(10s、3000rpm)し、実施例21と同様な条件で乾燥して厚さ0.17μmのポリシラザン膜を作製した。
続いて、このポリシラザン膜を空気雰囲気下において250℃、1.5時間加熱処理を施した。
透明性を目視で観察し、基材の透明性と比較して、以下の基準で評価した。
○:基材の透明性と同等である。
×:基材よりも透明性が劣っている。
エリプソメーター(日本分光(株)製)を用い、光波長590nm、入射角40-50度において、膜の屈折率の測定を行った。
スチールウールNo.000を用い、フィルム表面を600g荷重で往復10回擦った。続いて、目視にてフィルム表面の傷の有無を観察した。評価基準は以下の通りである。
○... 傷がつかない
△... 少し傷がつく
×... ひどく傷がつく
実施例および比較例の処理を施した樹脂レンズを蛍光灯に照らし、基材レンズとの屈折率の差から生じる干渉縞の有無を目視にて確認した。
40℃90%RH雰囲気下で、等圧法-赤外線センサー法を用いた水蒸気透過度測定装置(「PERMATRAN3 /31」、MOCON社製)を用いて測定した。本装置の検出下限値は、0.01g/m2・dayである。
23℃90%RH雰囲気下で、等圧法-電解電極法を用いた酸素透過度測定装置(「OX-TRAN2/21」、MOCON社製)を用いて測定した。本装置の検出下限値は、0.01cc/m2・day,atmである。
Claims (41)
- 基材と、
前記基材上に形成されたシリコン含有膜と、を備える積層体であって、
前記シリコン含有膜は、珪素原子と窒素原子、または珪素原子と窒素原子と酸素原子とからなる窒素高濃度領域を有し、
前記窒素高濃度領域は、基材上に形成されたポリシラザン膜に酸素または水蒸気を実質的に含まない雰囲気下でエネルギー線照射を行い、当該膜の少なくとも一部を変性することにより形成される、
積層体。 - 前記窒素高濃度領域は、X線光電子分光法により測定した、下記式で表される全原子に対する窒素原子の組成比が、0.1以上、1以下の範囲である、請求項1に記載の積層体;
式:窒素原子の組成比/(酸素原子の組成比+窒素原子の組成比)。 - 前記窒素高濃度領域は、X線光電子分光法により測定した、下記式で表される全原子に対する窒素原子の組成比が、0.1以上、0.5以下の範囲である、請求項1に記載の積層体;
式:窒素原子の組成比/(珪素原子の組成比+酸素原子の組成比+窒素原子の組成比)。 - 前記シリコン含有膜は、屈折率が1.55以上である、請求項1に記載の積層体。
- 前記窒素高濃度領域における、X線光電子分光法により測定した全原子に対する窒素原子の組成比が1~57原子%である、請求項1に記載の積層体。
- 前記窒素高濃度領域は、前記シリコン含有膜の全面に亘って形成されている、請求項1~5のいずれかに記載の積層体。
- 前記窒素高濃度領域は、0.01μm以上0.2μm以下の厚みを有する、請求項1~6のいずれかに記載の積層体。
- 前記シリコン含有膜における、X線光電子分光法により測定した全原子に対する窒素原子の組成比は、前記シリコン含有膜の上面側が他方の面側よりも高い、請求項1に記載の積層体。
- JIS K7129において測定された、前記シリコン含有膜の膜厚0.1μm、40℃、湿度90%における水蒸気透過度が0.01g/m2・day以下である、請求項1~8のいずれかに記載の積層体。
- 前記エネルギー線照射は、プラズマ照射または紫外線照射により行われる、請求項1~9のいずれかに記載の積層体。
- 前記プラズマ照射または紫外線照射は、照射ガスとして不活性ガス、希ガスまたは還元ガスを用いる、請求項10に記載の積層体。
- 前記ガス種として窒素ガス、アルゴンガス、ヘリウムガス、水素ガスまたはこれらの混合ガスが用いられる、請求項11に記載の積層体。
- 前記プラズマ照射または紫外線照射は、真空下で行われる、請求項10~12のいずれかに記載の積層体。
- 前記プラズマ照射または紫外線照射は、常圧下で行われる、請求項10~12のいずれかに記載の積層体。
- 前記ポリシラザン膜は、ペルヒドロポリシラザン、オルガノポリシラザン、およびこれらの誘導体よりなる群から選択される1種以上である、請求項1~14のいずれかに記載の積層体。
- 前記基材は樹脂フィルムである、請求項1~15のいずれかに記載の積層体。
- 前記樹脂フィルムは、ポリオレフィン、環状オレフィンポリマー、ポリビニルアルコール、エチレン-ビニルアルコール共重合体、ポリスチレン、ポリエステル、ポリアミド、ポリカーボネート、ポリ塩化ビニル、ポリ塩化ビニリデン、ポリイミド、ポリエーテルスルフォン、ポリアクリル、ポリアリレートおよびトリアセチルセルロースよりなる群から選択される少なくとも1種以上の樹脂からなる、請求項16に記載の積層体。
- 前記シリコン含有膜の上面、または前記基材と前記シリコン含有膜との間に、蒸着膜をさらに有する、請求項1~17のいずれかに記載の積層体。
- 前記蒸着膜は、Si、Ta、Nb、Al、In、W、Sn、Zn、Ti、Cu、Ce、Ca、Na、B、Pb、Mg、P、Ba、Ge、Li、K、ZrおよびSbよりなる群から選ばれる1種以上の金属の酸化物または窒化物または酸化窒化物を主成分として含む、請求項18に記載の積層体。
- 前記蒸着膜は、物理的蒸着法(PVD法)または化学的蒸着法(CVD法)により形成される、請求項18または19に記載の積層体。
- 前記蒸着膜は、1nm以上1000nm以下の厚みを有する、請求項18~20のいずれかに記載の積層体。
- 前記基材が光学部材である、請求項1~21のいずれかに記載の積層体。
- 前記積層体がガスバリア性フィルムである、請求項1~22のいずれかに記載の積層体。
- 前記積層体が、高屈折率膜である、請求項1~22のいずれかに記載の積層体。
- 基材上にポリシラザン含有液を塗布し塗膜を形成する工程と、
前記塗膜を低水分濃度雰囲気下において乾燥し、ポリシラザン膜を形成する工程と、
前記ポリシラザン膜に酸素または水蒸気を実質的に含まない雰囲気下でエネルギー線照射を行い当該膜の少なくとも一部を変性し、珪素原子と窒素原子、または珪素原子と窒素原子と酸素原子とからなる窒素高濃度領域を含むシリコン含有膜を形成する工程と、を含む、
積層体の製造方法。 - 前記窒素高濃度領域は、X線光電子分光法により測定した、下記式で表される全原子に対する窒素原子の組成比が、0.1以上、1以下の範囲である、請求項25に記載の方法;
式:窒素原子の組成比/(酸素原子の組成比+窒素原子の組成比)。 - 前記窒素高濃度領域は、X線光電子分光法により測定した、下記式で表される全原子に対する窒素原子の組成比が、0.1以上、0.5以下の範囲である、請求項25に記載の方法;
式:窒素原子の組成比/(珪素原子の組成比+酸素原子の組成比+窒素原子の組成比)。 - 前記シリコン含有膜は、屈折率が1.55以上である、請求項25に記載の方法。
- 前記シリコン含有膜を形成する前記工程におけるエネルギー線照射は、プラズマ照射または紫外線照射である、請求項25~28のいずれかに記載の方法。
- 前記プラズマ照射または紫外線照射は、ガス種として不活性ガス、希ガスまたは還元ガスを用いる、請求項29に記載の方法。
- 前記ガス種として窒素ガス、アルゴンガス、ヘリウムガス、水素ガスまたはこれらの混合ガスが用いられる、請求項30に記載の方法。
- 前記プラズマ照射または紫外線照射は、真空下で行われる、請求項29~31のいずれかに記載の方法。
- 前記プラズマ照射または紫外線照射は、常圧下で行われる、請求項29~31のいずれかに記載の方法。
- 前記ポリシラザン膜は、ペルヒドロポリシラザン、オルガノポリシラザン、およびこれらの誘導体よりなる群から選択される1種以上である、請求項25~33のいずれかに記載の方法。
- 前記基材は樹脂フィルムである、請求項25~34のいずれかに記載の方法。
- 前記樹脂フィルムは、ポリオレフィン、環状オレフィンポリマー、ポリビニルアルコール、エチレン-ビニルアルコール共重合体、ポリスチレン、ポリエステル、ポリアミド、ポリカーボネート、ポリ塩化ビニル、ポリ塩化ビニリデン、ポリイミド、ポリエーテルスルフォン、ポリアクリル、ポリアリレートおよびトリアセチルセルロースよりなる群から選択される少なくとも1種以上の樹脂からなる、請求項35に記載の方法。
- 前記基材上に前記ポリシラザン膜を形成する前記工程の前に、
前記基材上に蒸着膜を形成する工程をさらに含む、請求項25~36のいずれかに記載の方法。 - 前記シリコン含有膜を形成する前記工程の後に、
前記シリコン含有膜上に蒸着膜を形成する工程をさらに含む、請求項25~36のいずれかに記載の方法。 - 前記蒸着膜は、Si、Ta、Nb、Al、In、W、Sn、Zn、Ti、Cu、Ce、Ca、Na、B、Pb、Mg、P、Ba、Ge、Li、K、ZrおよびSbよりなる群から選ばれる1種以上の金属の酸化物または窒化物または酸化窒化物を主成分として含む、請求項37または38に記載の方法。
- 前記蒸着膜を形成する前記工程は、
物理的蒸着法(PVD法)または化学的蒸着法(CVD法)により蒸着膜を形成する工程である、請求項37~39のいずれかに記載の方法。 - 前記蒸着膜は、1nm以上1000nm以下の厚みを有する、請求項37~40のいずれかに記載の方法。
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EP2455220B1 (en) | 2015-11-25 |
TWI499505B (zh) | 2015-09-11 |
EP2455220A1 (en) | 2012-05-23 |
TW201113152A (en) | 2011-04-16 |
IN2012DN00642A (ja) | 2015-08-21 |
KR20120031228A (ko) | 2012-03-30 |
JP5646478B2 (ja) | 2014-12-24 |
CN102470637A (zh) | 2012-05-23 |
CN102470637B (zh) | 2016-04-06 |
US20120107607A1 (en) | 2012-05-03 |
KR101687049B1 (ko) | 2016-12-15 |
JPWO2011007543A1 (ja) | 2012-12-20 |
EP2455220A4 (en) | 2012-12-26 |
MY158201A (en) | 2016-09-15 |
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