WO2008053632A1 - Produit moulé en copolymère d'éthylène et de tétrafluoroéthylène et son procédé de production - Google Patents
Produit moulé en copolymère d'éthylène et de tétrafluoroéthylène et son procédé de production Download PDFInfo
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- WO2008053632A1 WO2008053632A1 PCT/JP2007/066809 JP2007066809W WO2008053632A1 WO 2008053632 A1 WO2008053632 A1 WO 2008053632A1 JP 2007066809 W JP2007066809 W JP 2007066809W WO 2008053632 A1 WO2008053632 A1 WO 2008053632A1
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- oxide film
- ethylene
- silicon oxide
- tetrafluoroethylene copolymer
- oxygen
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/401—Oxides containing silicon
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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
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
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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
- C08J7/046—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
- C08J7/056—Forming hydrophilic 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
- C08J7/06—Coating with compositions not containing macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
- C23C16/505—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using radio frequency discharges
- C23C16/509—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using radio frequency discharges using internal electrodes
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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
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
Definitions
- the present invention relates to an ethylene-tetrafluoroethylene copolymer molded article and a method for producing the same.
- ETFE copolymer Ethylene-tetrafluoroethylene copolymer
- the ETFE copolymer is a material having a low refractive index, and has high light transmittance with little light reflection.
- ETFE copolymer molded products are used as exterior films for system kitchens, surface films for marker whiteboards, mold release films, outdoor films, various display members, and solar cell protective films. Yes.
- the ETFE copolymer is a fluoropolymer, it has a low surface energy. Therefore, the contact angle with water (hereinafter referred to as the water contact angle) is 100 degrees or more, and it is easy to make water droplets on the surface.
- the ETFE copolymer film when used as an agricultural film in a greenhouse or the like, the water droplets condensed on the surface of the ETFE copolymer film cause the film to become cloudy or to drop.
- the following films have been proposed as agricultural films having a low water contact angle and a highly hydrophilic (high antifogging) surface and also having a fluoropolymer power.
- Patent Document 1 An agricultural film in which a layer made of a photocatalyst such as titanium oxide and silicon oxide is formed on the surface of a fluoropolymer film (Patent Document 1).
- the film has low light transmittance for the following reasons. (i) The photocatalyst absorbs light.
- Patent Document 1 JP-A-11 058629
- the present invention provides an ETFE copolymer molded article having high surface hydrophilicity and excellent light transmittance, and a production method capable of producing the molded article.
- the gist of the present invention is as follows.
- the oxygen oxide film force S, the atomic ratio (O / Si) of oxygen to key is 1.6 to 2.5, and the atomic ratio of fluorine to key (F / Si)
- a base material made of a material containing 50% by mass or more of an ethylene-tetrafluoroethylene copolymer, and a fluorine-doped silicon oxide film formed on the surface of the base material. Having an ethylene-tetrafluoroethylene copolymer molded article, The atomic ratio (O / Si) between oxygen and key in the oxide film is 1.6 to 2.5, and the atomic ratio (F / Si) between fluorine and key is 0.05--0. 50,
- the water contact angle of the silicon oxide film is 20 degrees or less
- the ethylene-tetrafluoroethylene copolymer molded product wherein the ethylene-tetrafluoroethylene copolymer molded product has an A light source visibility transmittance of 93 to 100%.
- the ethylene-tetrafluoroethylene copolymer contained in the base material has a molar ratio of polymer units based on tetrafluoroethylene / polymer units based on ethylene of 30/70 to 70/30 above (5 ) -Ethylene-tetrafluoroethylene copolymer molding
- the ETFE copolymer molded article of the present invention has high surface hydrophilicity and excellent light transmittance.
- an ETFE copolymer molded article having a high surface hydrophilicity and excellent light transmittance can be produced.
- FIG. 1 is a cross-sectional view showing an example of an ETFE copolymer molded product of the present invention.
- FIG. 2 is a schematic configuration diagram of a plasma CVD apparatus used in Examples.
- FIG. 1 is a cross-sectional view showing an example of an ETFE copolymer molded product (hereinafter referred to as a molded product) of the present invention.
- the molded product 10 includes a base material 12 and a silicon oxide film 14 formed on the surface of the base material 12.
- the substrate 12 is a molded article made of a material containing 50 mass% or more of an ETFE copolymer (hereinafter referred to as an ETFE material).
- ETFE material an ETFE copolymer
- Examples of the shape of the substrate 12 include a film shape, a sheet shape, a tube shape, a pipe shape, and a fiber shape, and a film shape and a sheet shape are preferable.
- the thickness of the film or sheet is preferably 10-500 ⁇ m.
- ETFE copolymers include copolymers of tetrafluoroethylene and ethylene (hereinafter referred to as ETFE), and terpolymers of tetrafluoroethylene, ethylene, and other monomers. And multi-component copolymers of tetrafluoroethylene, ethylene and two or more other monomers.
- TFE tetrafluoroethylene
- E polymerized units based on ethylene
- the ETFE copolymer may have polymerized units based on other monomers.
- bull esters such as pivalic acid bull; phthalic acid esters such as (polyfluoroalkinole) acrylate; methacrylic acid esters such as (polyfluoroalkyl) metatalylate and the like.
- Other monomers may be used alone or in combination of two or more.
- CH CH (CF) F is particularly preferred.
- the ETFE material is a material containing 50% by mass or more of an ETFE copolymer, and a polymer component excluding an additive that is preferably a material containing 70% by mass or more of an ETFE copolymer. Particularly preferred are materials that are all ETFE copolymers.
- ETFE-based materials include other polymers! Examples of other polymers include other fluorine polymers and non-fluorine polymers.
- fluoropolymers include hexafluoropropylene-tetrafluoroethylene copolymer, perfluoro (alkyl butyl ether) -tetrafluoroethylene copolymer, tetrafluoroethylene monohexa Examples thereof include a fluoropropylene vinylidene fluoride copolymer and a black trifluoroethylene-ethylene copolymer.
- the ETFE material may contain a known additive such as a pigment, an ultraviolet absorber, carbon black, carbon fiber, carbon carbide, glass fiber, my strength, and a crosslinking agent, if necessary.
- the key oxide film 14 is a key oxide film doped with fluorine.
- silicon, oxygen, and fluorine satisfy the following atomic ratio.
- the atomic ratio (O / Si) between oxygen and key is 1.6 to 2.5, and the atomic ratio (F / Si) between fluorine and key is SO. 05-0.50.
- the silicon oxide film 14 preferably contains carbon.
- the atomic ratio (O / Si) of oxygen to key in the oxide film 14 is 1.6 to 2.5,
- O / Si is 2.0.
- O / Si is 1.6 or more, formation of dangling bonds of silicon oxide can be suppressed, and a decrease in light transmittance due to the dangling bonds can be suppressed.
- O / Si is 2.5 or less, the formation of Si OH bonds can be suppressed, and the decrease in light transmission attributed to Si OH bonds can be suppressed.
- the atomic ratio (F / Si) of fluorine to key in the oxide film 14 is 0.05 to 0.50, and 0.06 to 0.1 is particularly preferable.
- F / Si is 0.05 or more, a decrease in the transmittance of ultraviolet rays can be suppressed, and a silicon oxide film suitable for solar cell cover glass, agricultural films, etc. using ultraviolet rays can be obtained.
- F / Si is 0.50 or less, water absorption is suppressed, and as a result, the reaction between the silicon oxide film 14 and water is suppressed, and the durability of the silicon oxide film 14 is improved. To do.
- the composition of the silicon oxide film 14 is the composition of the surface of the silicon oxide film (that is, the inside of the silicon oxide film 14) after the surface layer of the silicon oxide film 14 is removed by etching.
- the composition of the silicon oxide film 14 is measured using a photoelectron spectrometer (ESCA) to measure the wide spectrum of the surface of the oxidized silicon film and observe the peak intensity of Cls, ⁇ ls, Fls, and Si2p orbitals It is obtained by calculating the atomic ratio of oxygen, fluorine, and silicon.
- the surface layer of the silicon oxide film 14 is etched by 3 to 5 nm in terms of silica glass by sputtering with argon using a sputtering apparatus mounted in a photoelectron spectrometer (model number 5500 manufactured by ULVAC-FAI), and photoelectron is obtained.
- the composition of the surface of the etched silicon oxide film (inside the silicon oxide film 14) is measured using a spectroscopic device.
- the water contact angle of the silicon oxide film 14 is preferably 20 degrees or less, more preferably 15 degrees or less, and particularly preferably 10 degrees or less (superhydrophilic)! /.
- the water contact angle is measured using a commercially available contact angle meter according to JIS R3257.
- the refractive index of the silicon oxide film 14 at a wavelength of 550 nm is not more than 1 ⁇ 42 which is the refractive index of ETFE. S is preferably 1.30 to 1.40. When the refractive index is 1.42 or less, an antireflection effect on the film surface is obtained, and light transmittance is improved. If the refractive index is 1.30 or more, it is possible to suppress a decrease in mechanical durability caused by the density of the silicon oxide film 14 becoming too small.
- the refractive index can be calculated by a method of measuring the transmittance and reflectance of the silicon oxide film 14 using a commercially available spectrophotometer and deriving the average refractive index by optical simulation.
- the film thickness of the silicon oxide film 14 is 40 to 120 nm force S, preferably 60 to OOnm force S. If the film thickness is 40 nm or more, a sufficiently low reflection effect can be obtained. When the film thickness is 120 nm or less, light absorption by the silicon oxide film 14 can be suppressed, and a decrease in light transmittance can be suppressed. Further, when the film thickness is 120 nm or less, it is possible to suppress a decrease in mechanical durability of the silicon oxide film 14.
- the silicon oxide film 14 may be formed on only one side of the substrate 12 or on both sides of the substrate 12.
- the molded article 10 may have other layers.
- other substrates provided on the side of the substrate 12 where the oxide film 14 is not formed, an adhesive layer for bonding the substrates together, a coating applied in a liquid phase by a sol-gel method or the like Examples thereof include a thin film formed by a film, a sputtering method, a vapor deposition method, or the like.
- Examples of other base material include fluorine-based polymers, non-fluorine-based polymers, and glass.
- the A-light source luminous transmittance of the ETFE copolymer molded article is preferably 93 to 100%, more preferably 94 to 100%. If the A-light source luminous transmittance of the ETFE copolymer molded product is 94% or more, it is required for agricultural films, various display materials (liquid crystal displays, plasma displays, CRTs, etc.), solar cell protective films, etc. Satisfactory light transmission.
- a Light source luminous transmittance is the luminous efficiency defined in JIS Z8113, measured using the standard light source A defined in JIS Z8720. The value measured without placing the substrate is 100. Is calculated from the measured value when the substrate is placed in the optical path.
- the A light source visibility transmittance is an index that represents the brightness when a human sees it through the substrate.
- the molded article 10 is manufactured by a method in which a fluorine-doped silicon oxide film 14 is formed on a base material 12 by supplying electric power between electrodes to cause discharge and turning a specific mixed gas into a plasma.
- the mixed gas is a gas containing silicon tetrafluoride, oxygen, and hydrocarbon.
- the atomic ratio (O / C) of oxygen to carbon in the mixed gas is;! ⁇ 10, and 2.5 ⁇ 5.0 is preferable. If O / C is 1 or more, the amount of oxygen increases, so that carbon does not easily remain in the silicon oxide film. . If the O / C is 10 or less, the formed silicon oxide film becomes porous, and as a result, the silicon oxide film 14 having a sufficiently low refractive index can be formed.
- the atomic ratio (O / Si) of oxygen to kaen in the mixed gas is 1.7 to 25, preferably 3 to 10; When O / Si is less than 1.7, the theoretical ratio that can form SiO bond is far below 2.0.
- a silicon oxide film 14 having a sufficiently low refractive index can be formed, and (iv) the mechanical durability and chemical durability of the silicon oxide film 14 can be improved. Demonstrated.
- SiF +50 SiO +40 F (1)
- Standard free energy change AG in reactions (1) to (5) is as follows.
- reaction is more difficult to progress as the AG is larger.
- the reaction is particularly difficult when the AG is a positive value.
- ⁇ G in (1) is a positive value
- ⁇ G in reactions (2) to (5) is a negative value.
- the mixed gas contains a hydrocarbon
- the mechanical durability is improved.
- a layer containing a large amount of carbon is formed in an extremely thin region of the surface layer of the silicon oxide film 14, the lubricity of the surface of the silicon oxide film 14 is improved. As a result, the friction resistance and scratch resistance are improved. And chemical durability against water is improved.
- the hydrocarbon may be a saturated hydrocarbon or an unsaturated hydrocarbon.
- hydrocarbons hydrocarbons with 1 to 4 carbon atoms are preferred, and hydrocarbons with 3 or less carbon atoms are more preferred, and methane, ethane with 2 or less carbon atoms are preferred.
- Ethylene is particularly preferable because it can easily achieve both light transmittance and mechanical durability, which are preferred by any of the ethylene.
- the mixed gas may contain a gas having an effect of stabilizing discharge, such as nitrogen and argon.
- a gas having an effect of stabilizing discharge such as nitrogen and argon.
- nitrogen is preferable because it is easy to achieve both light transmittance and mechanical durability.
- the mixed gas contains only tetrafluoride as a gas containing silicon.
- Tetrafluorocarbons are (I) easy to handle because they are gases at room temperature, and (iii) they are relatively stable compounds in plasma, so they contain other silanes, alkoxysilanes, etc. Compared to gas, film formation can be performed only on the base material surface that generates less fine powder in the chamber, and there is less contamination of the chamber. (III) No fine powder is generated in the chamber. Therefore, a portion having a low bond strength due to the accumulation of fine powder can be formed in the silicon oxide film 14, so that the silicon oxide film 14 having sufficient mechanical durability can be formed.
- Plasma conversion of the mixed gas may be performed using a known plasma CVD apparatus! /.
- a mixed gas is converted into plasma by introducing the mixed gas into a chamber of a plasma CVD apparatus and supplying power from a high-frequency power source between two electrodes arranged in the chamber. This is done by causing a discharge between the two electrodes.
- Examples of the type of discharge include glow discharge, corona discharge, arc discharge, and silent discharge. Glow discharge is preferred because it can easily form a large-area uniform plasma.
- the discharge may be continuous discharge performed continuously or pulse discharge performed intermittently.
- the pressure in the chamber is particularly preferably from! To 200 Pa from the viewpoint that the glow discharge is stable and the pressure at which the glow discharge is generated is preferable.
- the power density is 0.5—1 lW / cm 3 , preferably 0.8—1 OW / cm 3 . If the power density is within this range, the silicon oxide film 14 having a water contact angle of 20 degrees or less can be formed. Further, if the power density is sufficiently high, the decomposition of the silicon tetrafluoride is sufficiently performed, and the silicon oxide film 14 having a sufficient film thickness can be formed. Further, carbon remaining in the silicon oxide film 14 is suppressed, and a decrease in light transmittance of the silicon oxide film 14 can be suppressed.
- the power density is a value obtained by dividing the power by the volume between the electrodes.
- the temperature of the substrate 12 is preferably 150 ° C or lower.
- the temperature of the substrate 12 is 150 ° C. or lower, it is possible to suppress a decrease in mechanical durability. Further, it is possible to suppress a decrease in light transmittance due to the deterioration of the base material 12.
- the lower limit of the temperature of the substrate 12 is preferably 20 ° C. or more as long as the flexibility of the substrate 12 is not lost. If the temperature of the substrate 12 is -20 ° C or higher, a sufficient film forming speed can be secured. Further, the manufacturing cost can be suppressed.
- the temperature of the substrate 12 is particularly preferably 30 to 80 ° C. from the viewpoint that air cooling by air circulation is possible and the manufacturing cost is suppressed.
- the molded article 10 contains silicon tetrafluoride, oxygen and hydrocarbon, and the atomic ratio of oxygen to carbon (O / C) is; Using a mixed gas with an atomic ratio of oxygen to silicon (O / Si) of 1.7 to 25, and plasmaizing the mixed gas under conditions of power density 0.5 to; 1. lW / cm 3 Since the silicon oxide film 14 is formed on the substrate 12, the molded article 10 having a high surface hydrophilicity and excellent light transmittance can be manufactured.
- fluorine radicals are generated from the ETFE copolymer contained in the substrate 12 in contact with the plasma. Fluorine radicals adhere to the surface of the silicon oxide film 14. Since the fluorine radicals are relatively stable, they remain on the surface of the substrate even after the plasma treatment, and react with oxygen and moisture in the air to form a large amount of hydroxyl groups on the surface of the silicon oxide film 14. Due to the hydroxyl group, the surface of the silicon oxide film 14 exhibits hydrophilicity with a water contact angle of 20 degrees or less.
- the substrate is a non-fluorine polymer such as polyethylene terephthalate (hereinafter referred to as PET)
- fluorine radicals are not generated from the substrate, so that there are few fluorine radicals attached to the surface of the silicon oxide film 14. It does not show hydrophilicity.
- the fluorine-doped silicon oxide film 14 has a lower refractive index than a normal silicon oxide film.
- the cavity oxide film 14 formed by the manufacturing method of the present invention has many voids, and the apparent refractive index of the cage oxide film 14 further decreases. If the apparent refractive index of the silicon oxide film 14 is smaller than the base material 12 refractive index (1.42 in the case of ETFE), light reflection is suppressed. In addition, the silicon oxide film 14 absorbs almost no light in the visible light castle, so there is no reduction in transmittance due to light absorption.
- FIG. 2 is a schematic configuration diagram of the plasma CVD apparatus used in the examples.
- the plasma CVD apparatus 20 includes a vacuum chamber 21, an upper shower head electrode 22 and a lower electrode 23 that are disposed opposite to each other in the vacuum chamber 21, and a temperature adjustment apparatus that is disposed below the lower electrode 23. 24, upper showerhead electrode 22 through matching box 25, 13 ⁇ 56MHz high frequency power supply 26, lower electrode 23 grounded 27, upper showerhead electrode 22 through mass flow controller 28 A gas tank 29 for supplying gas, a vacuum pump 30 for exhaust means provided at the bottom of the vacuum chamber 21, and a pressure gauge 31 provided on the side of the vacuum chamber 21.
- the upper showerhead electrode 22 and the lower electrode 23 are disc-shaped parallel plate electrodes having a diameter of 100 mm in each of Examples 1, 2, 5, 6 and Comparative Examples;! To 3, 5, and 6 to 8. , Implementation Examples 3 and 4 and Comparative Example 4 are rectangular parallel plate electrodes of 100 mm XI 70 mm, respectively, and a plasma due to glow discharge occurs between the upper showerhead electrode 22 and the lower electrode 23.
- the upper showerhead electrode 22 also serves as a gas supply means!
- the lower electrode 23 can removably fix the substrate 12 on the surface facing the upper showerhead electrode 22.
- the gas flow controller 28 and the gas tank 29 have three systems, one for each gas. Installed. Gas from each system is mixed in the vacuum chamber introduction section and then supplied to the upper showerhead electrode 22.
- a vacuum pump 30 is provided as an exhaust means.
- the A light source visibility transmittance was measured using a transmittance measuring device M304 (manufactured by Asahi Spectroscope). Specifically, using the standard light source A defined in JIS Z8720, the luminous efficiency defined in JIS Z8113 was measured. The measured value when the substrate was placed in the optical path was calculated with the value measured without placing the substrate as 100.
- the A light source luminous transmittance is an index representing the brightness when a human sees it through the substrate.
- the water contact angle of the silicon oxide film was measured according to JIS R3257 using a contact angle meter (Kyowa Interface Science Co., Ltd., Model CA-XI 50).
- the surface layer of the silicon oxide film is etched by 3 to 5 nm in terms of silica glass by sputtering with argon, and etched using the photoelectron spectrometer. Measure the wide spectrum of the surface of the subsequent oxide film (the inside of the oxide film) and observe the peak intensity of Cls, ⁇ ls, Fls, Si 2p orbitals, and the atomic ratio of oxygen, fluorine, was calculated.
- ETFE film as base material 12 (Asahi Glass Co., Ltd., trade name Aflex, TFE / E 50 / 50, length 50 mm x width 50 mm x thickness 50 ⁇ 111, water contact angle 108 degrees, A light source visibility transmittance 9 2%) is placed on the lower electrode 23, and the upper showerhead electrode 22 and the lower electrode 23 The distance was fixed at 3cm. Next, the vacuum chamber 21 is sealed and evacuated by using the vacuum pump 30 as an exhaust means until the pressure in the vacuum chamber 21 becomes 0.1 lPa or less, and the gas in the vacuum chamber 21 is exhausted. did.
- a silicon oxide film was formed in the same manner as in Example 1 except that the film forming conditions were as shown in Table 1, and various measurements were performed. The results are shown in Tables 1 to 3.
- the unit (ccm) of each gas component in these tables is 25 ° C, latm conversion system (cc) / min.
- a PET film 50mm X 50mmX thickness 50 111, water contact angle 75.6 degrees, A light source luminous transmittance 85.3% was used as the base material 12 and the film forming conditions were as shown in Table 2.
- a silicon oxide film was formed and various measurements were performed. The results are shown in Table 2.
- the ETFE film after film formation in Comparative Examples 3 and 4 has a power density outside the range of 0.5 to 1; lW / cm 3 , so the water contact angle on the surface of the silicon oxide film is sufficiently small. did not become. Since the PET film after film formation of Comparative Example 5 was a PET film, the water contact angle on the surface of the silicon oxide film was not sufficiently small.
- the film-formed ETFE film of Comparative Example 7 has an oxygen to carbon atomic ratio (O / C) that is outside the range of! -10. Therefore, the water contact angle on the surface of the silicon oxide film is sufficiently small. Nanana Kata.
- the ETFE film after film formation in Comparative Example 8 has an oxygen / caine atomic ratio (O / Si) outside the range of 1.7 to 25, so the transmittance decreases and the surface of the silicon oxide film is reduced.
- the water contact angle of was not small enough.
- the ETFE copolymer molded product produced by the production method of the present invention has high hydrophilicity and excellent light transmittance, it is used for agricultural films and various display members (liquid crystal display, plasma display, CRT, etc.). Useful as a protective film for solar cells
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Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07806286.6A EP2096191B1 (en) | 2006-11-02 | 2007-08-29 | Ethylene-tetrafluoroethylene copolymer molded product and method for producing the same |
| CA002668153A CA2668153A1 (en) | 2006-11-02 | 2007-08-29 | Ethylene/tetrafluoroethylene copolymer molded product and method for its production |
| CN2007800402332A CN101528976B (zh) | 2006-11-02 | 2007-08-29 | 乙烯-四氟乙烯类共聚物成形品及其制造方法 |
| JP2008542010A JP5093113B2 (ja) | 2006-11-02 | 2007-08-29 | エチレン−テトラフルオロエチレン系共重合体成形品およびその製造方法 |
| US12/431,906 US8043668B2 (en) | 2006-11-02 | 2009-04-29 | Method for production of an ethylene/tetrafluorideethylene copolymer molded product |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006298824 | 2006-11-02 | ||
| JP2006-298824 | 2006-11-02 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/431,906 Continuation US8043668B2 (en) | 2006-11-02 | 2009-04-29 | Method for production of an ethylene/tetrafluorideethylene copolymer molded product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008053632A1 true WO2008053632A1 (fr) | 2008-05-08 |
Family
ID=39343983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/066809 Ceased WO2008053632A1 (fr) | 2006-11-02 | 2007-08-29 | Produit moulé en copolymère d'éthylène et de tétrafluoroéthylène et son procédé de production |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8043668B2 (ja) |
| EP (1) | EP2096191B1 (ja) |
| JP (1) | JP5093113B2 (ja) |
| CN (1) | CN101528976B (ja) |
| CA (1) | CA2668153A1 (ja) |
| WO (1) | WO2008053632A1 (ja) |
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| CN102177204A (zh) * | 2008-10-09 | 2011-09-07 | 旭硝子株式会社 | 暗色系氟树脂薄膜和太阳能电池组件用背板 |
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| CN102177204A (zh) * | 2008-10-09 | 2011-09-07 | 旭硝子株式会社 | 暗色系氟树脂薄膜和太阳能电池组件用背板 |
| CN102177204B (zh) * | 2008-10-09 | 2013-09-18 | 旭硝子株式会社 | 暗色系氟树脂薄膜和太阳能电池组件用背板 |
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| JP5516582B2 (ja) * | 2009-07-09 | 2014-06-11 | コニカミノルタ株式会社 | バリアフィルム、有機光電変換素子及びバリアフィルムの製造方法 |
| JP2014008722A (ja) * | 2012-07-02 | 2014-01-20 | Dainippon Printing Co Ltd | 透明フィルム及びその製造方法 |
| JP2017165109A (ja) * | 2017-07-03 | 2017-09-21 | 大日本印刷株式会社 | 透明フィルム及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2096191A1 (en) | 2009-09-02 |
| EP2096191B1 (en) | 2015-04-01 |
| CN101528976B (zh) | 2011-04-20 |
| CA2668153A1 (en) | 2008-05-08 |
| CN101528976A (zh) | 2009-09-09 |
| JP5093113B2 (ja) | 2012-12-05 |
| JPWO2008053632A1 (ja) | 2010-02-25 |
| US8043668B2 (en) | 2011-10-25 |
| US20090214801A1 (en) | 2009-08-27 |
| EP2096191A4 (en) | 2011-08-17 |
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