WO2004044020A1 - アクリル系樹脂、樹脂板、タッチパネル用透明電極板およびタッチパネル、並びにそれらの製造方法 - Google Patents
アクリル系樹脂、樹脂板、タッチパネル用透明電極板およびタッチパネル、並びにそれらの製造方法 Download PDFInfo
- Publication number
- WO2004044020A1 WO2004044020A1 PCT/JP2003/014255 JP0314255W WO2004044020A1 WO 2004044020 A1 WO2004044020 A1 WO 2004044020A1 JP 0314255 W JP0314255 W JP 0314255W WO 2004044020 A1 WO2004044020 A1 WO 2004044020A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mass
- transparent electrode
- electrode plate
- meth
- touch panel
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1812—C12-(meth)acrylate, e.g. lauryl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1818—C13or longer chain (meth)acrylate, e.g. stearyl (meth)acrylate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
Definitions
- Acrylic resin resin plate, transparent electrode plate for touch panel and touch panel, and manufacturing method thereof
- the present invention relates to an acrylic resin having good heat resistance, appearance and shape stability, a resin plate made of this acrylic resin, and a transparent film for a touch panel having a transparent substrate excellent in heat resistance, transparency and conductive film adhesion.
- the present invention relates to an electrode plate, a touch panel having the transparent electrode plate, and a method for manufacturing the same. Background art
- Acrylic resin plates are used for lenses, automotive parts, lighting parts, various electronic displays, etc. due to their excellent optical properties.
- the acrylic resin plate has a disadvantage in that the heat resistance is insufficient when heat treatment is performed at a high temperature.
- As a technique for improving the heat resistance of an attaryl-based resin plate there is a method of introducing a crosslinked structure by adding a polyfunctional monomer during the polymerization of methyl methacrylate.
- a polyfunctional (meta) acrylate of alkylene glycol is added to a composition comprising methyl methacrylate homopolymer and methyl methacrylate.
- methyl methacrylate and polyfunctional (meth) acrylate may be combined with at least one of the following: hexopenagen and its derivatives, and ternoide compounds and their derivatives.
- hexopenagen and its derivatives and ternoide compounds and their derivatives.
- this method usually cannot provide sufficient heat resistance.
- the obtained resin plate Denotes a moisture absorbing resin sheet and a resin plate.
- an alkyl methacrylate syrup obtained by blending an alkyl methacrylate monomer (meth) acrylate cross-linking agent and polymerizing a part of it is used.
- a method of subjecting such a composition to bubble polymerization see, for example, JP-A-63-31510.
- gelling is likely to occur when a syrup is prepared by blending a crosslinking agent.
- the difference between a monomer mainly composed of methyl methacrylate and aryl (meth) atalylate is higher or lower at a boundary between a 10-hour half-life temperature of 75 ° C and higher than 5 ° C.
- a method for producing an acrylic resin plate that is cast-polymerized using at least two kinds of radical polymerization initiators that are separated from each other has been proposed (see, for example, Japanese Patent Application Laid-Open No. 9-23505).
- the polymerizability of the aryl group is poor, and a sufficient heat resistance tends not to be obtained.
- An integrated input device with a transparent touch panel placed on a display device can easily perform input operations by touching the display screen with an input pen or finger, and the touch panel acts as an input device. It is used as an operation screen for automatic teller machines such as portable information terminals and banks.
- analog touch panels of the resistive film type are the most widely used because they can be used with any operation screen.
- An analog touch panel of the resistive film type generally includes an upper transparent electrode plate and a lower transparent electrode plate.
- the upper and lower transparent electrode plates each include a transparent substrate and a transparent conductive film formed on the transparent substrate. Wherein the upper and lower transparent electrode plates are arranged at intervals so that the transparent conductive films face each other.
- the upper transparent electrode plate of the touch panel having such a configuration When the upper transparent electrode plate of the touch panel having such a configuration is pressed with an input pen or a finger, the upper transparent electrode plate radiates and the transparent conductive films of the upper and lower transparent electrode plates contact each other at the pressed point. . Then, the coordinates of the contact point are detected by measuring the electric resistance, and the input information is read.
- a resin plate is generally used as an upper transparent electrode plate, and a glass plate or a resin plate is used as a transparent substrate as a lower transparent electrode plate, and vacuum deposition is performed on the surface of these transparent substrates.
- a transparent conductive film formed by a vacuum deposition method such as a sputtering method, a sputtering method, a chemical vapor deposition (CVD) method, or an ion plating method was used.
- the lower electrode plate using a glass plate as a transparent substrate is easily broken when assembling and transporting the touch panel, or when pressing with a pen or hand, it is difficult to reduce the thickness, it is difficult to reduce the weight, etc. There is a problem.
- the transparent conductive film is easily deformed by heat when forming the transparent conductive film on the transparent substrate, and the adhesion of the transparent conductive film is low and the durability is insufficient, so that the surface of the transparent substrate is insufficient.
- a methacrylic luster molding material obtained by polymerizing methyl methacrylate and a polyfunctional (meth) acrylate, neopentyl dalichol dimetharate, as monomers. (See Fair Publication 5—6570).
- this methacrylic resin molding material is used as the transparent base material of the transparent electrode plate for touch panels.
- the polymerization rate of the metharyl resin molding material described in this patent document is as low as 4 to 62% by mass. Therefore, when this molding material is used as a product, further steps such as compression molding and extrusion molding are performed. Therefore, it is necessary to increase the polymerization rate. For this reason, distortion occurs, making it unsuitable for use in touch panels.
- a touch panel using a transparent substrate obtained by forming a photocurable composition obtained by adding a mercaptan to a monomer mixture containing 90% by mass or more of a specific bis (meth) acrylate to form a sheet in a cell and photocuring are disclosed (for example, see Japanese Patent Application Laid-Open No. 10-105335).
- this transparent substrate has a problem that it is easily cracked in a step of peeling from the cell after polymerization and curing. Disclosure of the invention
- An object of the present invention is to provide a method for producing an acryl-based resin plate that has good anti-plate cracking properties in a peeling step during production and excellent heat resistance. Furthermore, an object of the present invention is to provide an acrylic resin having good heat resistance, appearance and shape stability, and an acrylic resin plate made of this resin. Further, an object of the present invention is to provide a transparent electrode plate for a touch panel having a resin substrate excellent in heat resistance, transparency, and thin film adhesion, a touch panel having the transparent electrode plate, and a method for producing the same. It is in.
- the present invention relates to a monoethylenically unsaturated monomer containing from 5 to 65% by mass of a monoethylenically unsaturated monomer containing an alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms, and a polyolefin having two or more (meth) acryloyl groups.
- a polymerization initiator having a 10-hour half-life temperature of 80 ° C or more per 100 mass parts of a mixture of functional (meth) acrylates and 35 to 95 mass% And 0.15 to 0.2 parts by mass of at least one compound selected from the group consisting of cyclohexadiene and derivatives thereof and terpenoid compounds and derivatives thereof to form a polymerizable mixture.
- the present invention provides an alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms.
- monoethylenically unsaturated monomers 7 0-9 9 mass 0/0 containing ester consisting of monoethylenically unsaturated monomer units containing an alkyl methacrylate having an alkyl group of 1 to 4 carbon atoms ( 5 to 65 parts by mass of a syrup composed of 1 to 30% by mass of a polymer and 35 to 95 parts by mass of a polyfunctional (meth) acrylate having two or more (meth) ataliloyl groups
- the present invention is a method for producing an acryl-based resin laminate in which a transparent conductive film is formed on at least one surface of an acrylic resin plate obtained by the production method. Further, the present invention is a method for producing a transparent electrode plate for a touch panel, comprising a step of forming a transparent conductive film on at least one surface of an acrylic resin plate obtained by the production method.
- the present invention provides an upper transparent electrode plate and a lower transparent electrode plate, wherein the upper transparent electrode plate and the lower transparent electrode plate are formed on a transparent substrate and on at least one surface of the transparent substrate.
- a method of manufacturing a touch panel wherein the upper transparent electrode plate and the lower transparent electrode plate are arranged at an interval such that the transparent conductive films face each other.
- At least one of the transparent electrode plate and the lower transparent electrode plate is a method for producing a touch panel which is a transparent electrode plate for a touch panel obtained by the above-mentioned production method.
- the present invention relates to a monoethylenic alkyl ester unit having 3 to 30% by mass of an alkyl methacrylate unit having an alkyl group having 8 to 20 carbon atoms and an alkyl methacrylate unit having an alkyl group having 1 to 4 carbon atoms.
- An acryl-based resin containing 2 to 35% by mass of a saturated monomer unit and 35 to 95% by mass of a polyfunctional (meth) acrylate unit having two or more (meth) atalyloyl groups.
- the present invention includes a methacrylic acid alkyl ester 3-3 0 weight 0/0 having an alkyl group with a carbon number of 8-2 0, methacrylic having an alkyl group having 1 to 4 carbon atoms Sana A monoethylenically unsaturated monomer 2-3 5 mass 0/0 containing alkyl ester, and a polyfunctional (meth) Atari Rate 3 5-9 5 mass% having two or more (meth) Atariroiru group
- a method for producing an acryl-based resin plate comprising a step of polymerizing and curing a polymerizable mixture containing acryl-based resin.
- the present invention is an acrylic resin laminate in which a transparent conductive film is formed on at least one surface of the acryl resin plate.
- the present invention is a transparent electrode plate for a touch panel having the ataryl-based resin laminate.
- the present invention further includes an upper transparent electrode plate and a lower transparent electrode plate, wherein the upper transparent electrode plate and the lower transparent electrode plate are formed on a transparent substrate and at least one surface of the transparent substrate.
- a touch panel comprising a transparent electrode plate having a conductive film, wherein the upper transparent electrode plate and the lower transparent electrode plate are arranged at an interval such that the transparent conductive films face each other; A transparent electrode plate and at least one of the lower transparent electrode plates.
- a touch panel which is a transparent electrode plate for the touch panel.
- the acrylic resin of the present invention and the acrylic resin plate made of this resin employ a specific composition, so that the acrylic resin maintains the excellent optical characteristics inherent in the acrylic resin, and further has a heat resistance.
- the appearance and shape stability can be greatly improved.
- an acrylic resin laminate in which a transparent conductive film such as an ITO film is formed on the acrylic resin plate is very useful as a transparent electrode plate for a touch panel.
- the transparent electrode plate for a touch panel of the present invention has heat resistance enough to withstand the inorganic thin film forming process and the electrode thermosetting process while maintaining the excellent optical characteristics inherent to acrylic resin, Also, the surface treatment of the resin substrate is not required because it is extremely excellent.
- the use of a resin plate as the substrate for the transparent electrode plate for touch panels makes it possible to prevent the touch panel from being damaged, and to make it lighter and thinner, making it impossible for conventional glass plates to be used. It can be applied to shapes.
- FIG. 1 is a schematic sectional view showing an example of the transparent electrode plate for a touch panel of the present invention.
- FIG. 2 is a schematic plan view showing an example of the transparent electrode plate for a touch panel of the present invention.
- FIG. 3 is a schematic cross-sectional view showing an example of a touch panel using the transparent electrode plate shown in FIGS. 1 and 2 as a lower transparent electrode plate.
- the mixture is composed of 5 to 65% by mass of a monoethylenically unsaturated monomer containing an alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms, and a polyolefin having two or more (meth) atalyloyl groups. And 35 to 95% by mass of a functional (meth) acrylate.
- the content of the monoethylenically unsaturated monomer containing an alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms is 5 to 65% by mass in the mixture. When the content is 5% by mass or more, the appearance is improved, and when the content is 65% by mass or less, the heat resistance tends to be improved. Further, this content is preferably from 10 to 55% by mass, and more preferably from 15 to 50% by mass. Further, when the total amount of the monoethylenically unsaturated monomer containing an alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms is 100 parts by mass, a methacrylic acid having an alkyl group having 1 to 4 carbon atoms is used.
- the ratio of the alkyl acrylate is preferably 50 parts by mass or more, and the ratio of the other monoethylenically unsaturated monomers is 50 parts by mass. Parts or less. With this ratio, transparency tends to be improved, and heat resistance may be further improved.
- alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms examples include methyl methacrylate, ethyl methacrylate, n-propyl methacrylate, isopropyl methacrylate, n-butyl methacrylate, i-butyl methacrylate, T-butyl methacrylate and the like. These can be used in combination. Among them, methyl methacrylate is particularly preferred.
- Monoethylenically unsaturated monomers other than alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms include, for example, styrene, monomethylstyrene, acrylonitrile, acrylic acid, methacrylic acid, methyl acrylate, Ethyl acrylate, n-butyl acrylate, 2-ethylhexyl methacrylate, lauryl methacrylate, tridecyl methacrylate, stearyl methacrylate, isostearyl methacrylate, cyclohexyl methacrylate, benzyl methacrylate, isoponyl methacrylate Glycidyl methacrylate, tetrahydrofurfuryl methacrylate, 2-hydroxyethyl methacrylate, hydroxypropyl methacrylate, methoxethyl methacrylate, ethoxyxyl methacrylate and the like.
- an alkyl acrylate ester having an alkyl group having 1 to 4 carbon atoms such as methyl acrylate and ethyl acrylate.
- the content of the polyfunctional (meth) atalylate having two or more (meth) atalyloyl groups is from 35 to 95% by mass in the mixture. When the content is 35% by mass or more, the heat resistance is improved, and when the content is 95% by mass or less, the appearance tends to be good. This content is preferably from 45 to 90% by mass, more preferably from 50 to 85% by mass.
- a polyfunctional (meth) acrylate having two or more (meth) atalyloyl groups is a polyfunctional acrylate having two or more acryloyl groups or a polyfunctional methacrylate having two or more methacryloyl groups. These can be used in combination.
- the polyfunctional (meth) acrylate for example, the following general formula (1)
- R 1 represents H or CH 3.
- R 2 and R 3 represent H or CH 3
- R 4 and R 5 represent H or a hydrocarbon group having 3 or less carbon atoms
- n represents an integer of 0 to 4.
- Examples of the compound represented by the general formula (1) for example, bis (Okishimechiru) tricyclo [5, 2, 1, 0 2 '6] decane Atari rate, bis (Okishimechiru) Torishi black [5, 2, 1, 0 2 ' 6 ] decane metathallate and the like. These can be used in combination. By using these compounds, the hygroscopicity of the obtained resin can be reduced.
- Examples of the compound represented by the general formula (2) include, for example, ethylene glycol dimethacrylate, ethylene glycol diatalylate, 1,3-propanediol dimethacrylate, 1,3-propanediol diatalylate, and 1,4- Butylene riconoresin methacrylate, 1,6-hexanedionoresin methacrylate, 2-methyi ⁇ -1,3, propanedionoresin methacrylate, neopentinoglycolone methacrylate, neopentylglycol dia Acrylate, 2,2-dimethyl-1-1,4-butanediol dimethalate and the like.
- neopentyl glycol dimethacrylate is the most preferable among the compounds represented by the general formula (2) from the viewpoint of improving transparency. These can be used in combination.
- ⁇ when ⁇ is 1 or more, the appearance is good, and when ⁇ is 4 or less, the heat resistance tends to improve.
- the compound of the general formula (2) is compared with the compound of the general formula (1). When compounds are used, polymerization shrinkage tends to be large, so the content is
- the content of the compound is 35% by mass or more, the heat resistance is improved, and when the content is 70% by mass or less, the appearance tends to be good. Further, its content is preferably at least 45% by mass.
- the content of the monoethylenically unsaturated monomer containing an alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms may be 30 to 40% in the mixture. It is preferably 65% by mass. When the content is 30% by mass or more, the appearance is improved, and when the content is 65% by mass or less, the heat resistance tends to be improved. Further, the content is preferably 55% by mass or less.
- the mixture in this case has: 70 to 99% by mass of a monoethylenically unsaturated monomer containing an alkyl methacrylate having an alkyl group of 4 to 4, and a monoethylenically unsaturated monomer containing an alkyl methacrylate having an alkyl group of 1 to 4 carbon atoms.
- a syrup composed of 1 to 30% by mass of a (co) polymer composed of a saturated monomer unit, and a polyfunctional (meth) acrylate 3 having two or more (meth) atalyloyl groups It consists of 5 to 95 parts by mass.
- the syrup content in 100 parts by mass of the mixture is preferably from 10 to 55 parts by mass, more preferably from 15 to 50 parts by mass.
- the content of the polyfunctional (meth) acrylate in 100 parts by mass of the mixture is preferably from 45 to 90 parts by mass, more preferably from 50 to 85 parts by mass.
- the content of the monoethylenically unsaturated monomer containing the alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms constituting the syrup is 70 to 99% by mass in the syrup.
- the amount of this monomer is 70% by mass or more, the heat resistance tends to be improved, and when the amount is 99% by mass or less, the appearance tends to be improved.
- alkyl methacrylate ester having an alkyl group having 1 to 4 carbon atoms that constitute the syrup specific examples of the other monoethylenically unsaturated monomers, and a suitable composition ratio of both The same ones as described above can be mentioned.
- the (co) polymer that constitutes the syrup is a metal having an alkyl group having 1 to 4 carbon atoms. It is composed of monoethylenically unsaturated monomer units containing alkyl acrylate. That is, an alkyl methacrylate homopolymer having an alkyl group having 1 to 4 carbon atoms or an alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms and a monoethylenically unsaturated monomer copolymerizable therewith. Is a copolymer of Hereinafter, this polymer or copolymer is appropriately referred to as “(co) polymer”.
- the content of the (co) polymer is 1 to 30% by mass in the syrup.
- the content of the (co) polymer is 1% by mass or more, the appearance is improved, and when the content is 30% by mass or less, the heat resistance tends to be improved.
- Examples of the polyfunctional (meth) atalylate having two or more (meth) atalyloyl groups constituting the mixture with the syrup include the same as described above.
- the content of this multifunctional (meta) acrylate is 35 to 95 parts by mass in 100 parts by mass of the mixture with syrup. When the content is 35 parts by mass or more, heat resistance is improved, and when it is 95 parts by mass or less, the appearance tends to be good. Further, the content is preferably from 45 to 90 parts by mass, more preferably from 50 to 85 parts by mass.
- the compound represented by the general formula (2) is used as the polyfunctional (meth) acrylate, the content of the compound is 35 to 70 parts by mass in 100 parts by mass of the mixture with syrup. Is preferred. When the amount is more than 35 parts by mass, the heat resistance is improved, and when it is less than 70 parts by mass, the appearance tends to be good. Further, the content of this compound is preferably at least 45 parts by mass.
- one of the two kinds of mixtures described above is used, and a polymerization initiator having a 10-hour half-life temperature of 80 ° C. or more per 100 parts by mass of the mixture. 0 :! to 1 part by mass and at least one compound selected from the group consisting of cyclohexadiene and derivatives thereof, and ternoide-based compounds and derivatives thereof 0.01 to 0.2 parts by mass. Add to prepare a polymerizable mixture.
- Examples of a polymerization initiator having a 10-hour half-life temperature of 80 ° C or more include, for example, 1, 1′- ⁇ Zobis (trimethyl hexone) (10-hour half-life temperature 88.C), 2,2-azobis (2,4,4-trimethylpentene) (10-hour half-life temperature 110 ° C) , 2-cyano 2-propyrazoformamide (10-hour half-life temperature 104 ° C), dicumyl peroxide (10-hour half-life temperature 117 ° C), t-butyl cumyl peroxide (10 hours) Half-life temperature 121 ° C), G-t-butyl baroxide (10-hour half-life temperature 126 ° C), t-butyl-peroxy-1,3,3-trimethylhexanoate (10-hour half-life temperature 100 ° C), t-butyl peroxylaurate (10-hour half-life temperature 95 ° C), t-butyl peroxyacetate (10-hour half-life temperature 103 ° C
- the addition amount of the polymerization initiator having a half-life temperature of 80 ° C or more at 10:00 is 0.001 to 1 part by mass per 100 parts by mass of the mixture.
- the addition amount is 0.001 part by mass or more, the heat resistance tends to be improved even when cyclohexadiene, terpenoid-based compound and their derivatives are added.
- the amount is less than 1 part by mass, the residual initiator tends to decrease and the thermal stability tends to be improved.
- the addition amount is preferably 0.005 to 0.5 parts by mass.
- a polymerization initiator having a 10-hour half-life temperature of less than 80 ° C. can be used together with such a polymerization initiator.
- the polymerization initiator having a 10-hour half-life temperature of less than 80 ° C include t-butylperoxysopbutylate (10-hour half-life temperature of 77 ° C), t-butylperoxy-12-ethylhexanoate ( 10 hour half life Temperature 72 ° C), t-butyl peroxypiparate (10-hour half-life temperature 55 ° C), t-hexylperoxypiparate (10-hour half-life temperature 53 ° C), t-Butyl peroxyneodecanoate (10-hour half-life temperature of 47 ° C), 2,2, -azobis isopyronitrile (10-hour half-life temperature of 65 ° C), 2,2, -azobis ( 2,4-dimethylvaleronitrile (10-hour half-life temperature 51 °
- At least one compound selected from the group consisting of cyclohexagen and derivatives thereof, and ternoide compounds and derivatives thereof is a component that functions as a polymerization regulator.
- this compound (a) examples include 1,4-cyclohexadiene, 1-methyl-1,4-cyclohexadiene, a- tenorebinene, ⁇ -tenorebinene, 7- tenorebinene, terpinolene, limonene, myrcene, a-binene, j3 — Binene, terpinol and the like.
- tenorepinolene is preferred.
- the amount of compound (a) to be added is 0.015 to 0.2 parts by mass per 100 parts by mass of the mixture. If the addition amount is more than 0.015 parts by mass, it is difficult to crack the plate in the peeling step at the time of production, and if it is less than 0.2 parts by mass, the residual monomer is reduced and the thermal stability tends to be good. There is.
- the peeling step at the time of production is a step from the completion of polymerization and curing to the peeling of the acrylic resin plate from the mold. Further, the addition amount is preferably from 0.02 to 0.15 parts by mass.
- an ataryl-based resin plate By polymerizing and curing the polymerizable mixture described above, an ataryl-based resin plate can be obtained.
- a method for polymerizing and curing the polymerizable mixture various conventionally known methods can be used.
- a so-called plug polymerization method in which a polymerizable mixture is injected into a mold, polymerized and cured, and peeled from the mold is preferable.
- methyl methacrylate as an alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms.
- the present invention is not limited to this.
- a polymerization initiator and a polymerization regulator [compound (a)] are added to the mixture, and the mixture is degassed under vacuum to obtain a polymerizable mixture.
- This polymerizable mixture is poured into a mold composed of a pair of tempered glass sheets with a gasket sandwiched between them, and placed in a heating furnace at 40 to 70 ° C. for 2 to 5 hours, 100 to 15 At 0 ° C :! Polymerization and curing for up to 6 hours, and peeling off from mold ⁇ to obtain acrylic resin plate.
- a tempered glass sheet for example, a mirror surface SUS sheet, a glass sheet having a fine concave and convex surface, or an endless belt made of mirror surface SUS running opposite to each other can be used as a ⁇ type. Further, the polymerization temperature and time may be appropriately selected as desired.
- the thickness of the acrylic resin plate is preferably 0.5 to 5 mm.
- the plate thickness is 0.5 mm or more, cracks are less likely to occur when the acrylic resin plate is peeled off from the mold when making the plate by bulk polymerization.
- it is 5 mm or less, there is a tendency that the plate is less likely to crack during polymerization.
- the polymerizable mixture contains the above-described components as main components, but if necessary, further includes a coloring agent, a release agent, an antioxidant, a stabilizer, an antistatic agent, an antibacterial agent, a flame retardant, and a flame retardant.
- a coloring agent e.g., a styrene, a styrene, a styrene, a styrene, acrylonitrile, ethylene glycol dimethacrylate, ethylene glycol dimethacrylate, ethylene glycol dimethoxysulfate, etc.
- a chain transfer agent such as mercaptan.
- the acrylic resin of the present invention is a monofunctional resin containing 3 to 30% by mass of an alkyl methacrylate unit having an alkyl group having 8 to 20 carbon atoms and an alkyl methacrylate unit having an alkyl group having 1 to 4 carbon atoms.
- ethylenically unsaturated and monomer units 2-3 5 wt% is intended to include a polyfunctional (meth) ⁇ click Relate unit 3 5-9 5 mass 0/0 having two or more (meth) Atariroiru group.
- the content of each unit is a value indicating the ratio of the overall monomer unit of one or more polymers constituting the resin.
- the acrylic resin of the present invention may be a resin consisting of one type of copolymer obtained by copolymerizing together the three monomers constituting each unit described above, At least a part of the three monomers constituting each of the above units is preliminarily made into a polymer, and the remaining monomers are used in the presence of the polymer. It may be a resin obtained by polymerization. The resin in the latter case can be obtained, for example, by polymerizing a syrup containing a (co) polymer of an alkyl methacrylate and a desired monomer.
- the content of the alkyl methacrylate unit having an alkyl group having 8 to 20 carbon atoms is 3 to 30% by mass in the resin.
- the content is more preferably 5 to 20% by mass.
- alkyl methacrylate unit having an alkyl group having 8 to 20 carbon atoms examples include units derived from 2-ethylhexyl methacrylate, radiuryl methacrylate, tridecyl methacrylate, stearyl methacrylate, isostearyl methacrylate, and the like. Is mentioned. These can be used in combination.
- the content of the monoethylenically unsaturated monomer unit including the alkyl methacrylate unit having an alkyl group having 1 to 4 carbon atoms is 2 to 35% by mass in the resin. When the content is 2% by mass or more, the appearance is improved. When the content is 35% by mass or less, heat resistance and shape stability tend to be improved. This content is more preferably 5 to 25% by mass. Further, when the total amount of the monoethylenically unsaturated monomer units including the alkyl methacrylate unit having an alkyl group having 1 to 4 carbon atoms is 100 parts by mass, the alkyl group having 1 to 4 carbon atoms is used.
- the proportion of the alkyl methacrylate unit is preferably 50 parts by mass or more, and the proportion of the other monoethylenically unsaturated monomer units is preferably 50 parts by mass or less. At this ratio, transparency tends to be improved, and heat resistance may be further improved.
- alkyl methacrylate unit having an alkyl group having 1 to 4 carbon atoms include the alkyl methacrylate ester having an alkyl group having 1 to 4 carbon atoms used in the method for producing an acrylic resin plate described above. And a unit derived from the alkyl metathallate of the specific example.
- Examples of the monoethylenically unsaturated monomer unit other than the alkyl methacrylate unit having an alkyl group having 1 to 4 carbon atoms include various units other than the alkyl methacrylate unit having an alkyl group having 8 to 20 carbon atoms.
- Can be Wear As a specific example, a unit derived from a monoethylenically unsaturated monomer used in the above-described method for producing an acrylic resin plate corresponding to the monoethylenically unsaturated monomer may be used.
- the content of the polyfunctional (meth) acrylate unit having two or more (meth) atalyloyl groups is 35 to 95% by mass in the resin. This content is 35 mass. If it is / 0 or more, the heat resistance is improved, and if it is 95% by mass or less, the appearance tends to be good. This content is 45-90 mass. / 0 , preferably 50 to 85% by mass.
- polyfunctional (meth) acrylates having two or more (meth) atalyloyl groups are the same as the specific examples of multifunctional (meth) acrylate used in the method for producing an acrylic resin plate described above. Things. Among them, the compound represented by the general formula (1) is preferable.
- the acrylic resin of the present invention is a resin containing the above-described monomer units as main constituent units. This resin is preferably used as an acryl-based resin plate.
- the method for producing a resin plate made of the acrylic resin of the present invention comprises the steps of: 3 to 30% by mass of a methacrylic acid alkyl ester having an alkyl group having 8 to 20 carbon atoms; and methacryl having an alkyl group having 1 to 4 carbon atoms. 2 to 35% by mass of a monoethylenically unsaturated monomer containing an acid alkyl ester, and 35 to 95% by mass of a polyfunctional (meth) acrylate having two or more (meth) acryloyl groups. / 0 ) is polymerized and cured. Specific examples of each monomer used herein are as described above.
- a method for polymerizing and curing the polymerizable mixture various conventionally known methods can be used.
- a so-called plug polymerization method in which a polymerizable mixture is injected into a mold, polymerized and cured, and separated from the mold is preferable.
- radical initiators For the polymerization of the polymerizable mixture, various conventionally known radical initiators can be used. Specific examples of the radical initiator include t-butyl peroxypipalate, t-hexyl peroxybivalate, t-butyl peroxy neodecanoate, t-hexyl peroxy neodecanoate , T-butylperoxyisopropinolecarbonate, t-hexylperoxyisopropinolemonocarbonate, 2,2'-azobis (4-methoxy-l, 4-dimethylparet-tolyl), 2,2 , And azobis (2,4-dimethylvaleronitrile), 2,2, -azobisisobutyl nitrile and the like.
- the radical initiator include t-butyl peroxypipalate, t-hexyl peroxybivalate, t-butyl peroxy neodecanoate, t-hex
- the polymerization initiator it is preferable to use a polymerization initiator having a 10-hour half-life temperature of 80 ° C. or higher.
- the content is preferably from 0.001 to 1 part by mass per 100 parts by mass of the mixture.
- Specific examples of the polymerization initiator having a 10-hour half-life temperature of 80 ° C. or more are as described above.
- the following is a method of incorporating polymerization using isostearyl methacrylate as an alkyl methacrylate having an alkyl group having 8 to 20 carbon atoms and methyl methacrylate as an alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms. Is exemplified. However, the present invention is not limited to this.
- isostearyl methacrylate, methyl methacrylate, polyfunctional (meth) phthalates, (co) polymers containing methyl methacrylate units as needed, and other copolymerizable materials as needed Charge the ethylenically unsaturated monomer into a suction bottle and stir to form a mixture.
- the mixture is added with a radical polymerization initiator, and degassed in vacuum.
- This mixture is poured into a mold composed of a pair of tempered glass sheets with a gasket sandwiched between them, placed in a heating furnace, at 40 to 70 ° C for 2 to 5 hours, and at 100 to 150 ° C. And polymerize and cure for 1 to 6 hours, and peel from the mold to obtain an acryl-based resin plate.
- this tempered glass sheet for example, a mirror surface SUS sheet, a glass sheet having fine concaves and convexes on its surface, and an endless belt made of mirror surface SUS running opposite to each other can be used as a ⁇ type. Further, the polymerization temperature and time may be appropriately selected as desired.
- the thickness of the acrylic resin plate of the present invention is preferably 5 to 5 mm.
- the plate thickness is 0.5 mm or more, cracks are less likely to occur when the acrylic resin plate is peeled from the mold when the plate is formed by bulk polymerization.
- it is less than 5 mm, there is a tendency that the plate is less likely to crack during polymerization.
- the polymerizable mixture contains the above-described components as main components, but if necessary, further includes a coloring agent, a release agent, an antioxidant, a stabilizer, an antistatic agent, an antibacterial agent, a flame retardant, and a flame retardant.
- a coloring agent e.g., a coloring agent, a release agent, an antioxidant, a stabilizer, an antistatic agent, an antibacterial agent, a flame retardant, and a flame retardant.
- Impact modifiers, light stabilizers, ultraviolet absorbers, light diffusing agents, polymerization inhibitors, polymerization regulators, chain transfer agents, etc. can be added.
- cyclohexa It is preferable to use at least one compound selected from the group consisting of benzene and its derivatives, and ternoide-based compounds and their derivatives.
- the content is preferably from 0.015 to 0.2 parts by mass per 100 parts by mass of the mixture. Specific examples are as described above.
- the acrylic resin plate of the present invention has significantly improved heat resistance, appearance, shape stability, and anti-plate cracking properties during the peeling process during production, while maintaining the excellent optical properties of the acrylic resin. is there.
- Such acrylic resin plates are, for example, materials for heat-generating light sources such as incandescent lamp covers and halogen lamps; components of heating appliances such as clothes dryers, microwave ovens and ovens; eyeglass lenses, sunglass lenses, and cameras. Lenses, video camera lenses, goggle lenses, contact lenses, and other optical lenses; in-vehicle materials such as in-vehicle components such as meter covers, in-vehicle audio equipment components, in-vehicle display device components, and in-vehicle navigation system components Further, it can be used for various display members such as a front plate of various display devices such as a plasma display device, a liquid crystal display device and a projection type display device, and a light guide plate of a liquid crystal display.
- various display members such as a front plate of various display devices such as a plasma display device, a liquid crystal display device and a projection type display device, and a light guide plate of a liquid crystal display.
- the acrylic resin plate obtained by the present invention can be formed as an acrylic resin laminate by forming a transparent conductive film on at least one surface thereof.
- the transparent conductive film may be any transparent and conductive thin film.
- an inorganic thin film or an organic polymer thin film can be used.
- Examples of the material of the inorganic thin film include transparent metal oxides such as tin oxide, indium oxide, and ITO (tin-added indium oxide). Among them, ITO is preferable.
- Examples of the material for the organic polymer thin film include polyisothianaphthene.
- An acrylic resin laminate in which a transparent conductive film such as ITO is formed on at least one surface of an acrylic resin plate can be used for a transparent conductive material.
- electrical component circuit materials such as capacitors and resistors; electrophotographic materials for copying such as electrostatic recording; liquid crystal displays; Transparent electrodes for signal input for luminescence displays, touch panels, etc .; for photoelectric conversion elements such as solar batteries and optical amplifiers; and for other uses such as antistatic members, electromagnetic wave shielding members, surface heating elements, sensors, etc.
- a transparent electrode plate for touch panels it is preferable to use as a transparent electrode plate for touch panels.
- the transparent electrode plate for a touch panel of the present invention has an acrylic resin plate obtained by the present invention as a transparent substrate, and a transparent conductive film formed on at least one surface of the acrylic resin plate.
- a method for forming a transparent conductive film on the acryl-based resin plate various conventionally known film forming methods can be used. Examples of the film forming method include a vacuum film forming method such as a vacuum evaporation method, a sputtering method, a CVD method, and an ion plating method.
- a vacuum film forming method such as a vacuum evaporation method, a sputtering method, a CVD method, and an ion plating method.
- a specific example of film formation of an ITO thin film by a sputtering method will be described.
- the transparent substrate is washed with pure water or alkaline water, and dried in air at a temperature of 120 ° C. or more, preferably 120 ° C. to 130 ° C. for 1 to 4 hours. Then, ITO sputtering is performed under vacuum at a temperature of 100 to 140 ° C., preferably 120 ° C. Thereafter, the electrode and the lead electrode are applied with a silver paste and cured at a temperature of 130 to 170 ° C, preferably 150 ° C.
- the transparent electrode plate for a touch panel preferably has a deflection temperature under load of 150 ° C or more. If the deflection temperature under load is 150 ° C.
- the resin substrate tends to be less likely to be deformed when the silver paste is cured.
- the load deflection temperature of the transparent electrode plate is the same as the load deflection temperature of the acrylic resin plate constituting the transparent electrode plate. Therefore, in this case, the deflection temperature under load of the acrylic resin plate may be measured and used as the deflection temperature under load of the transparent electrode plate.
- the thickness of the acryl resin plate used for the transparent electrode plate for the touch panel is preferably 0.5 to 2 mm, more preferably 0.5 to 1 mm. Further, the thickness of the transparent conductive film is preferably from 10 to 50 nm, more preferably from 25 to 40 nm. By adopting a thickness in these ranges, the weight and thickness can be reduced as compared with a transparent electrode plate for a touch panel using a glass substrate.
- Ataryl-based resin plates used for transparent electrode plates for touch panels may be uncolored preferable. Further, an anti-reflection film can be formed on the side without the transparent conductive film.
- the thickness of the transparent electrode plate for touch panel is l mm, its total light transmittance is 91% or more, which is a value based on the total light transmittance measurement method shown in JIS-K7361. Is preferred. When the total light transmittance is 91% or more, sufficient transparency as a transparent electrode plate for a touch panel can be obtained.
- the touch panel of the present invention includes an upper transparent electrode plate and a lower transparent electrode plate, wherein the upper transparent electrode plate and the lower transparent electrode plate are formed on at least one surface of a transparent substrate and the transparent substrate.
- a touch panel comprising: a transparent electrode plate having a transparent conductive film, wherein the upper transparent electrode plate and the lower transparent electrode plate are arranged at an interval such that the transparent conductive films face each other; At least one of the upper transparent electrode plate and the lower transparent electrode plate is a transparent electrode plate for a touch panel of the present invention.
- FIG. 1 is a schematic sectional view showing an example of the transparent electrode plate for a touch panel of the present invention
- FIG. 2 is a schematic plan view thereof
- FIG. 3 is a schematic cross-sectional view showing an example of a touch panel using the transparent electrode plate shown in FIGS. 1 and 2 as a lower transparent electrode plate.
- the touch panel shown in FIG. 3 has a structure in which a lower transparent electrode plate 1 and an upper transparent electrode plate 7 are arranged to face each other via a spacer 6.
- the lower transparent electrode plate 1 includes a transparent substrate 2, a transparent conductive film 3 formed on one surface of the transparent substrate 2, and a transparent conductive film 3 on the transparent conductive film 3.
- An electrode 4 is provided at the end, and a lead electrode 5 is connected to the electrode 4.
- the upper transparent electrode plate 7 also has the same structure as the lower transparent electrode plate 1. That is, the upper transparent electrode plate 7 similarly has a transparent substrate 8, a transparent conductive film 9, an electrode 10, and the like.
- the lower transparent electrode plate 1 and the upper transparent electrode plate 7 have the transparent conductive films 3 and 9 inside each other, a dot spacer 111 is interposed between the transparent electrode plates 1 and 7, and They are arranged at regular intervals via spacers 6 so that the directions of 4 and 10 intersect.
- the touch panel having such a configuration is pressed from above the upper transparent electrode plate 7 with a pen or a finger, the upper transparent electrode plate 7 is deformed and the lower transparent conductive film 3 and the upper transparent conductive film 3 are deformed.
- the transparent conductive film 9 is brought into contact with the contact through the dot spacer 11 to complete the input.
- the transparent electrode plate for a touch panel of the present invention has high transparency and high rigidity, it is preferably used as the lower transparent electrode plate 1.
- Figures 1 to 3 show such examples.
- the present invention is not limited to this.
- the touch panel transparent electrode plate of the present invention may be used as the upper transparent electrode plate 7, or may be used for both the lower transparent electrode plate 1 and the upper transparent electrode plate 7.
- the deflection temperature under load was measured in accordance with the measurement method described in JIS-K7207.
- a shape stability test was performed, and the amount of warpage was measured. Specifically, a sample of 190 mmX190 mmX1.0 mm (thickness) was left in a constant temperature and humidity room at 23 ° (:, 50% RH) for 1 day, and then at 60 ° C, 90 ° C. It was hung with a clip in a% RH constant temperature and humidity machine, left to stand for 10 days, left in a constant temperature and humidity room at 23 ° C and 50% RH for 1 hour, and then cooled, and the amount of warpage was measured.
- Warpage (%) a / 190 X 100
- the amount of warp was expressed as a positive value
- the amount of warpage was expressed as a negative value
- the total light transmittance was measured in accordance with the measurement method described in JIS-K7361.
- the acrylic resin plate (substrate) was checked for deformation by drying the substrate before forming the transparent conductive film (ITO), forming the film by sputtering, and then applying and curing silver paste after forming the film. In the manufacturing process of the touch panel transparent electrode plate, the acrylic resin plate was visually observed. If the acrylic resin plate was not deformed, it was evaluated as “ ⁇ ” (good), and if it was deformed, it was evaluated as “X” (poor). (3-3) I TO status:
- the state of the transparent conductive film (ITO) was observed in a series of manufacturing processes for touch panel transparent electrode plates, including film formation by sputtering and coating and curing of silver paste after film formation, and optical distortion and cracks were observed. When no was observed, it was evaluated as “” (good), and when optical distortion or crack was observed, it was evaluated as “X” (bad).
- nZlOO the number of the squares in which the transparent conductive film remained without being peeled was indicated as nZlOO.
- the value of n is preferably 96 or more, and more preferably 100. The larger the value of n, the higher the adhesion of the transparent conductive film, and it can be said that the transparent electrode plate for a touch panel is a good one.
- This polymerizable mixture is injected into a mold composed of a pair of tempered glass sheets with a gap of 1.7 mm and a gasket sandwiched between them, and after removing bubbles, the mixture is placed in a heating furnace and heated at 55 ° C for 1 hour and 50 hours. Polymerization was carried out for 1 hour and subsequently at 135 ° C for 3 hours. Thereafter, the mold was cooled to 40 ° C. or lower, peeled off, and heated at 130 ° C. for 4 hours to obtain an acrylic resin plate having a thickness of lmm. The resin plate did not crack during cooling after polymerization and hardening, and did not crack when peeled and taken out. The resin plate had a good appearance without whitening and sink marks.
- An acrylic resin plate was manufactured in the same manner as in Example 1 except that the raw material compositions shown in Tables 1 to 6 were used. Tables 1 to 6 show the evaluation results.
- An acrylic resin plate was produced in the same manner as in Example 1, except that 0.05 parts of n-dodecylmer force butane was added as a chain transfer agent to the polymerizable mixture.
- Table 7 shows the evaluation results. Note bis (Okishimechiru) tricyclo [5, 2, 1, 0 2 '6] residual monomer content of decane dimethyl Tatari rate was 2.09%.
- An acrylic resin plate was produced in the same manner as in Example 1, except that 10 parts of isostearyl methacrylate was replaced with 5 parts of isostearyl methacrylate and 5 parts of methyl acrylate.
- Table 7 shows the evaluation results. Note bis (O Kishimechiru) tricyclo [5, 2, 1, 0 2 '6] residual mono- mer weight of decane dimethacrylate was 2.03%.
- Each acryl-based resin plate obtained in Examples 1 to 26 and Comparative Examples 1 to 9 was washed with pure water, placed in a hot-air drying oven, and dried with hot air at 120 ° C. for 2 hours.
- ITO was formed as a transparent conductive film on the resin plate by a sputtering method to obtain an acrylic resin laminate. The thickness of the transparent conductive film was adjusted to about 30 nm.
- Each acrylic resin product obtained Tables 1 to 7 show the amount of warpage after the '14 test.
- Each of the above acryl-based resin laminates is cut into a width of 25 Omm and a height of 18 Omm, silver paste is applied to it in a predetermined pattern, and cured at 150 ° C to form electrodes and lead electrodes.
- the transparent electrode plate for a touch panel having the configuration shown in FIGS. 1 and 2 was manufactured. The thickness of this electrode and the lead electrode was adjusted to about 10 ⁇ m .
- Tables 1 to 7 show the evaluation results of the obtained transparent electrode plates for touch panels.
- Each of the above touch panel transparent electrode plates was used as the lower transparent electrode plate 1 to produce a touch panel having the configuration shown in FIG. Specifically, the above transparent electrode plates for touch panels were used as the lower transparent electrode plates 1.
- the upper transparent electrode plate 7 is formed on a 188 m-thick polyethylene terephthalate film (manufactured by Teijin Limited, product name: Tetron film) by the same method as the lower transparent electrode plate with a thickness of about 25 nm.
- An ITO film was used.
- spacer 6 a 100 ⁇ thick double-sided tape was used.
- the lower transparent conductive film 3 is coated with a photo-curable acrylic resin in a predetermined pattern, and is cured by irradiating ultraviolet rays to form a dot spacer having a height of 110111 and a diameter of 50 / m.
- Ones 11 were formed so as to be arranged in a zigzag pattern at a pitch of 3 mm.
- an insulating film (not shown) was formed on the electrodes 4 and 10.
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Parts Parts
- Example 25 further contains 0.05 parts of n-dodecyl mercaptan * Example 26 further contains 5 parts of methyl acrylate
- ADMVN 2,2, -azobis (2,4-dimethinole 4-methoxino relonitrile) (10 hour half-life temperature 30 ° C)
- TDMA Bis (Okishimechiru) tricyclo [5, 2, 1, 0 2 '6] Dekanjimeta Tarireto
- NPG Neopentyl glycol dimethacrylate
- TMA Tridecyl methacrylate
- Mn number average molecular weight
- the heat resistance, transparency and plate cracking prevention of the ataryl-based resin plate, and the transparency of the transparent electrode plate for the touch panel were used. Good results were obtained for the appearance, appearance and adhesion. The touch panel also operated normally. Furthermore, in Examples 1 to 10, 25 and 26, good results were obtained regarding the shape stability of the acrylic resin laminate. Further, in Examples 25 and 26, the amount of residual monomer was reduced as compared with Example 1.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Graft Or Block Polymers (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/534,525 US20060041067A1 (en) | 2002-11-11 | 2003-11-10 | Acrylic resin, resin boards, transparent electrode boards for touch panels, touch panels, and processes for production of them |
US12/171,074 US8231981B2 (en) | 2002-11-11 | 2008-07-10 | Acrylic resin, resin boards, transparent electrode boards for touch panels, touch panels, and processes for production of them |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-326804 | 2002-11-11 | ||
JP2002326804A JP2004161825A (ja) | 2002-11-11 | 2002-11-11 | アクリル系樹脂板の製造方法 |
JP2003287820A JP4558289B2 (ja) | 2003-08-06 | 2003-08-06 | アクリル系樹脂、樹脂板およびその製造方法、ならびに、タッチパネル用透明電極板およびタッチパネル |
JP2003-287820 | 2003-08-06 | ||
JP2003291216A JP4526794B2 (ja) | 2003-08-11 | 2003-08-11 | アクリル系樹脂板の製造方法、タッチパネル用透明電極板およびタッチパネル |
JP2003-291216 | 2003-08-11 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10534525 A-371-Of-International | 2003-11-10 | ||
US12/171,074 Continuation US8231981B2 (en) | 2002-11-11 | 2008-07-10 | Acrylic resin, resin boards, transparent electrode boards for touch panels, touch panels, and processes for production of them |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004044020A1 true WO2004044020A1 (ja) | 2004-05-27 |
Family
ID=32314783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/014255 WO2004044020A1 (ja) | 2002-11-11 | 2003-11-10 | アクリル系樹脂、樹脂板、タッチパネル用透明電極板およびタッチパネル、並びにそれらの製造方法 |
Country Status (3)
Country | Link |
---|---|
US (2) | US20060041067A1 (ja) |
KR (1) | KR101082239B1 (ja) |
WO (1) | WO2004044020A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4336232B2 (ja) * | 2004-03-29 | 2009-09-30 | 富士通コンポーネント株式会社 | タッチパネル |
JP4285504B2 (ja) * | 2006-05-24 | 2009-06-24 | ソニー株式会社 | タッチパネルを有する表示装置 |
US20080190415A1 (en) * | 2007-02-09 | 2008-08-14 | Paul Pei | Liquid inserted lens and solar panel focusing system |
DE102007059470B3 (de) * | 2007-12-11 | 2009-05-20 | *Acri.Tec Gmbh | Ophthalmologische Zusammensetzung und deren Verwendung |
KR100906323B1 (ko) * | 2008-05-02 | 2009-07-06 | (주)에스알 아이텍 | 터치 스크린 패널 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60202128A (ja) * | 1984-03-27 | 1985-10-12 | Kyowa Gas Chem Ind Co Ltd | メタクリル系樹脂成形材料およびその製造方法 |
JPS621705A (ja) * | 1985-06-28 | 1987-01-07 | Kyowa Gas Chem Ind Co Ltd | メタクリル系樹脂成形材料 |
JPS6490205A (en) * | 1987-09-30 | 1989-04-06 | Japan Synthetic Rubber Co Ltd | Acrylate polymer |
JPH05132526A (ja) * | 1991-11-13 | 1993-05-28 | Kuraray Co Ltd | アクリル系樹脂成形材料の製造法 |
JPH06214195A (ja) * | 1993-01-13 | 1994-08-05 | Tokyo Keikaku:Kk | 高濃度調光材料 |
JPH1077321A (ja) * | 1996-07-09 | 1998-03-24 | Mitsubishi Chem Corp | 樹脂組成物及びこれを活性エネルギー線により硬化させてなる部材 |
JP2002302517A (ja) * | 2001-04-06 | 2002-10-18 | Mitsubishi Chemicals Corp | 重合性組成物及びそれを硬化させてなる光学用プラスチック部材 |
JP2003268047A (ja) * | 2002-03-13 | 2003-09-25 | Mitsubishi Rayon Co Ltd | アクリル系樹脂板の製法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS606311B2 (ja) | 1977-12-28 | 1985-02-16 | 関西ペイント株式会社 | 瓦の被覆法 |
JPH0832304B2 (ja) * | 1989-08-18 | 1996-03-29 | 株式会社日立製作所 | 無機ポリマ薄膜の形成方法 |
-
2003
- 2003-11-10 US US10/534,525 patent/US20060041067A1/en not_active Abandoned
- 2003-11-10 KR KR1020057008287A patent/KR101082239B1/ko not_active IP Right Cessation
- 2003-11-10 WO PCT/JP2003/014255 patent/WO2004044020A1/ja active Application Filing
-
2008
- 2008-07-10 US US12/171,074 patent/US8231981B2/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60202128A (ja) * | 1984-03-27 | 1985-10-12 | Kyowa Gas Chem Ind Co Ltd | メタクリル系樹脂成形材料およびその製造方法 |
JPS621705A (ja) * | 1985-06-28 | 1987-01-07 | Kyowa Gas Chem Ind Co Ltd | メタクリル系樹脂成形材料 |
JPS6490205A (en) * | 1987-09-30 | 1989-04-06 | Japan Synthetic Rubber Co Ltd | Acrylate polymer |
JPH05132526A (ja) * | 1991-11-13 | 1993-05-28 | Kuraray Co Ltd | アクリル系樹脂成形材料の製造法 |
JPH06214195A (ja) * | 1993-01-13 | 1994-08-05 | Tokyo Keikaku:Kk | 高濃度調光材料 |
JPH1077321A (ja) * | 1996-07-09 | 1998-03-24 | Mitsubishi Chem Corp | 樹脂組成物及びこれを活性エネルギー線により硬化させてなる部材 |
JP2002302517A (ja) * | 2001-04-06 | 2002-10-18 | Mitsubishi Chemicals Corp | 重合性組成物及びそれを硬化させてなる光学用プラスチック部材 |
JP2003268047A (ja) * | 2002-03-13 | 2003-09-25 | Mitsubishi Rayon Co Ltd | アクリル系樹脂板の製法 |
Also Published As
Publication number | Publication date |
---|---|
US20060041067A1 (en) | 2006-02-23 |
KR101082239B1 (ko) | 2011-11-09 |
US8231981B2 (en) | 2012-07-31 |
KR20050075868A (ko) | 2005-07-22 |
US20080278457A1 (en) | 2008-11-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7727616B2 (en) | Scratch-resistant thin film | |
JP6139862B2 (ja) | (メタ)アクリル系樹脂組成物及び接着・解体方法 | |
KR20120049151A (ko) | 점착제 조성물 | |
TWI532809B (zh) | 接著性組成物、使用其的影像顯示裝置以及影像顯示裝置的製造方法 | |
WO2008150081A1 (en) | Eco-optical sheet | |
JP6490802B2 (ja) | タッチスクリーンパネル用粘着剤組成物、光学用粘着フィルム、及びタッチスクリーンパネル | |
TW201404851A (zh) | 透明黏著片材 | |
JP4192178B2 (ja) | 電磁波遮蔽フィルター | |
US8231981B2 (en) | Acrylic resin, resin boards, transparent electrode boards for touch panels, touch panels, and processes for production of them | |
JP2006306951A (ja) | アクリル系樹脂板の製造方法、並びにタッチパネル用重合性組成物、該重合性組成物を用いた透明基板、透明電極板およびタッチパネル | |
JPWO2015093384A1 (ja) | 樹脂組成物、樹脂シート、及び樹脂積層体 | |
JP2008094064A (ja) | 透明導電膜形成用耐熱アクリル系樹脂積層体 | |
JP4558289B2 (ja) | アクリル系樹脂、樹脂板およびその製造方法、ならびに、タッチパネル用透明電極板およびタッチパネル | |
JP5324023B2 (ja) | 表示窓保護用シート | |
JP4139611B2 (ja) | アクリル系樹脂板の製法 | |
JP4323365B2 (ja) | アクリル系樹脂板の製造方法 | |
JP4526794B2 (ja) | アクリル系樹脂板の製造方法、タッチパネル用透明電極板およびタッチパネル | |
CN1318462C (zh) | 丙烯酸类树脂、树脂板、接触面板用透明电极板以及接触面板和它们的制造方法 | |
CN101162274A (zh) | 光扩散性甲基丙烯酸酯树脂多层板 | |
JP2004224891A (ja) | アクリル系樹脂、樹脂板およびその製造方法 | |
JP4673038B2 (ja) | アクリル系樹脂積層体、透明電極板およびタッチパネルの製造方法 | |
JP3509468B2 (ja) | 透明導電性シート | |
JP2003271312A (ja) | タッチパネル用透明電極板及びタッチパネル | |
JP4042498B2 (ja) | 透明導電性シートの透明導電体の耐慴動性向上方法、並びにそれにより得られた透明導電性シートおよびそれを用いたタッチパネル | |
JP4384904B2 (ja) | アクリル系シラップ組成物およびアクリル系樹脂板の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1020057008287 Country of ref document: KR Ref document number: 20038A29789 Country of ref document: CN |
|
ENP | Entry into the national phase |
Ref document number: 2006041067 Country of ref document: US Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10534525 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1020057008287 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 10534525 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |