WO2006046726A1 - シート状接着剤及びその製造方法、並びにそれを用いた積層体 - Google Patents
シート状接着剤及びその製造方法、並びにそれを用いた積層体 Download PDFInfo
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- WO2006046726A1 WO2006046726A1 PCT/JP2005/019945 JP2005019945W WO2006046726A1 WO 2006046726 A1 WO2006046726 A1 WO 2006046726A1 JP 2005019945 W JP2005019945 W JP 2005019945W WO 2006046726 A1 WO2006046726 A1 WO 2006046726A1
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- Prior art keywords
- sheet
- layer
- synthetic resin
- heat ray
- adhesive
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- VWJJUARPJDMPMP-UHFFFAOYSA-N C1C=C2C3C2C13 Chemical compound C1C=C2C3C2C13 VWJJUARPJDMPMP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
-
- 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
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10678—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer comprising UV absorbers or stabilizers, e.g. antioxidants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10788—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing ethylene vinylacetate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J129/00—Adhesives based on 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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/02—2 layers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/14—Glass
- C09J2400/143—Glass in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2429/00—Presence of polyvinyl alcohol
Definitions
- the present invention is a sheet-like adhesive useful as a transparent adhesive layer for film tempered glass and laminated glass, which is excellent in impact resistance, penetration resistance, crime prevention, etc. used in automobiles, railway vehicles, buildings, showcases, etc.
- the present invention relates to an agent, a production method thereof, and laminates of these film-reinforced glass and laminated glass.
- laminated glass having a structure in which a transparent adhesive layer (intermediate film) is sandwiched between glass plates is used for glass used in automobiles, particularly windshields.
- This transparent adhesive layer is formed of, for example, a P V B film, an E V A film or the like, and the presence of the transparent adhesive layer improves the penetration resistance of the laminated glass.
- broken glass fragments remain adhered to the transparent adhesive layer, preventing scattering. For this reason, for example, a laminated glass of an automobile cannot be opened freely even if it is broken for the purpose of theft or intrusion, so it is also useful as a security glass.
- the transparent adhesive layer that bonds the two glass plates of laminated glass or the glass plate of the film tempered glass and the plastic film is required to have excellent adhesiveness and penetration resistance. ing.
- the above laminated glass generally has excellent adhesion and penetration resistance, and is excellent in safety, but does not take into account heat ray blocking properties.
- heat ray cut glass is commercially available.
- This heat-cut glass has a metal / metal oxide multi-layer coating on the surface of the glass plate by vapor deposition of metals and sputtering for the purpose of directly blocking sunlight. This multi-layer coating is vulnerable to external scratches and has poor chemical resistance.
- Such glass is generally made of laminated glass made of, for example, EVA and laminated glass.
- the heat ray cut glass uses a metal, there is a problem that the transparency is deteriorated or the transmission of electromagnetic waves is hindered to adversely affect communication functions such as a mobile phone and a car navigation system. Furthermore, the heat ray cut glass has a problem that it is expensive because it uses a multilayer coating.
- Patent Document 3 Japanese Patent Laid-Open No. 2001-302288 proposes the use of a plasticized polybutylpropylar film containing a metal oxide as an intermediate film of laminated glass.
- the intermediate film described in Patent Document 3 contains a metal oxide, which may impair the original characteristics of the intermediate film, excellent adhesion, and penetration resistance. It became clear that there was.
- the present invention provides excellent heat radiation without impairing excellent adhesion and penetration resistance. It is an object of the present invention to provide a sheet-like adhesive useful as a transparent adhesive layer for film-reinforced glass and laminated glass having cut performance.
- Another object of the present invention is to provide a sheet-like adhesive that has excellent heat resistance and good hot-line performance without impairing penetration resistance and penetration resistance, and that is easy to manufacture.
- the object of the present invention is to provide a method for producing the sheet-like adhesive.
- Still another object of the present invention is to provide a laminate that can be used as a film tempered glass, laminated glass, etc. having excellent heat ray cutting performance without impairing excellent adhesion and penetration resistance. .
- An object of the present invention is to provide a sheet-like adhesive comprising a transparent adhesive layer containing a synthetic resin and a heat ray cut layer in which fine particles of metal oxide provided thereon are dispersed in the synthetic resin. Can be achieved.
- the heat ray generally means infrared rays.
- the metal oxide is, Z n O, S N_ ⁇ 2, tin-doped indium oxide (ITO), is preferably also less selected from ⁇ Nchimondopu tin oxide and aluminum-doped zinc oxide is an oxide of one kind.
- the heat ray can be cut efficiently with a small addition amount.
- the average particle diameter of the metal oxide is generally 10 to 90 nm, preferably 20 to 80 nm.
- the content of the metal oxide is generally 5 to 40% by mass, preferably 10 to 30% by mass, based on the synthetic resin.
- the layer thickness of the transparent adhesive layer is generally in the range of 0.2 to 3 mm, preferably 0.3 to 1.0 mm.
- the layer thickness of the heat ray cut layer is generally 2 to 80 um, preferably 5 to 50 m.
- the ratio of the thickness of the transparent adhesive layer to the thickness of the heat ray cut layer is generally in the range of 2: 1 to 100: 1, 5 :! ⁇ 50: The range of 1 is preferred.
- the synthetic resin for the transparent adhesive layer is generally an ethylene vinyl acetate copolymer and z or polybutyral, with ethylenenoacetate copolymer being preferred.
- the synthetic resin of the heat ray cut layer is generally an ethylene / butyl acetate copolymer and / or polyvinyl butyral, with an ethylene / vinyl acetate copolymer being preferred. This ensures the excellent adhesion and sheet penetration resistance of the sheet adhesive.
- the synthetic resin of the transparent adhesive layer and the synthetic resin of the heat ray cut layer are preferably the same type.
- the synthetic resin of the transparent adhesive layer and the heat ray cut layer are both ethylene-vinyl acetate copolymers, and it is particularly preferable that the vinyl acetate contents are substantially equal. By setting in this way, excellent adhesiveness between the transparent adhesive layer and the heat ray layer can be ensured.
- the transparent adhesive layer and / or the heat ray cut layer it is preferable that an organic peroxide is further included.
- the organic peroxide is generally contained in an amount of 0.5 to 5.0 parts by mass, particularly 1.0 to 3.0 parts by mass with respect to 100 parts by mass of the ethylene vinyl acetate copolymer.
- the sheet-like adhesive described above is
- a manufacturing method comprising a step of mutually bonding a sheet of a transparent adhesive layer containing a synthetic resin and a sheet of a heat ray coating layer in which metal oxide fine particles are dispersed in the synthetic resin;
- a manufacturing method including a step of applying a coating solution for forming a heat ray cut layer in which fine particles of metal oxide are dispersed in a synthetic resin on a sheet of a transparent adhesive layer containing the synthetic resin, and then drying.
- a coating solution for forming a heat ray cut layer in which fine particles of metal oxide are dispersed in a synthetic resin on a sheet of a transparent adhesive layer containing the synthetic resin and then drying.
- the present invention also resides in a laminate in which the above-mentioned sheet-like adhesive is sandwiched between two transparent substrates and is crosslinked and integrated.
- one of the two transparent substrates is preferably a glass plate, the other is a plastic film, and the two transparent substrates are both glass plates. It is useful as film tempered glass and laminated glass.
- the sheet-like adhesive that can be advantageously used in the production of the film-reinforced glass and the laminated glass of the present invention is a heat ray in which a transparent adhesive layer containing a synthetic resin and metal oxide fine particles are dispersed in the synthetic resin. It consists of two layers with a cut layer. That is, the transparent adhesive layer retains excellent adhesion to glass and the like and penetration resistance, and the heat ray cutting layer has a function of imparting good heat ray cutting performance particularly to the sheet-like adhesive. Each layer shares roles, so that each function is performed without any loss.
- the sheet-like adhesive of the present invention (generally crosslinked) can be easily produced, exhibits excellent adhesion and penetration resistance, and exhibits good heat ray cutting performance, particularly a film. It is advantageous for use in tempered glass and laminated glass.
- FIG. 1 is a schematic cross-sectional view showing an example of an embodiment of the sheet-like adhesive of the present invention.
- FIG. 2 is a schematic sectional view showing an example of the embodiment of the laminate of the present invention.
- FIG. 3 is a schematic view showing an example of a method for producing the transparent adhesive layer constituting the sheet-like adhesive of the present invention by calendering.
- FIG. 4 shows an example of a method for producing the sheet adhesive of the present invention by the bonding method.
- FIG. 5 is a schematic view showing an example of a production method by a sheet-like adhesive coating method of the present invention. 5. BEST MODE FOR CARRYING OUT THE INVENTION
- the sheet-like adhesive of the present invention is basically composed of two layers of a transparent adhesive layer containing a synthetic resin and a heat ray layer formed by dispersing metal oxide fine particles in the synthetic resin. It is particularly excellent as a transparent adhesive layer for laminates such as film tempered glass and laminated glass.
- FIG. 1 is a cross-sectional view showing an example of an embodiment of the sheet adhesive of the present invention.
- a heat ray coating layer 12 is formed on the transparent adhesive layer 11 and constitutes the sheet-like adhesive of the present invention.
- the transparent adhesive layer 11 is a layer mainly containing a synthetic resin
- the heat ray cut layer 12 is a layer mainly containing a mixture in which fine particles of metal oxide are dispersed in a synthetic resin.
- a transparent adhesive layer having the performance of maintaining penetration resistance, excellent adhesion to glass and the like, and good heat ray cutting for sheet-like adhesives When used as an adhesive layer for laminates such as film tempered glass and laminated glass by laminating a heat ray cutting layer having a function of imparting performance, these laminates have excellent adhesion and penetration resistance.
- the laminate of the present invention (generally a transparent laminate) is generally a laminate in which one glass plate, a transparent adhesive layer composed of the above sheet-like adhesive, and one glass plate or plastic film are laminated in order. Glass or film tempered glass.
- FIG. 2 shows an example of an embodiment of the laminate of the present invention.
- the laminated body has a transparent adhesive layer 21 similar to the above and a thermal plate between the glass plate 23 A and the glass plate 23 B.
- a sheet-like adhesive composed of the wire-cut layer 22 is sandwiched and integrated by crosslinking.
- the glass plate 2 3 B may be a plastic sheet.
- the former is generally called laminated glass, and the latter is generally called film-reinforced glass.
- Both glass plates 2 3 A and 2 3 B may be plastic sheets.
- the laminate uses the sheet-like adhesive of the present invention as a transparent adhesive layer, and thus strongly bonds the glass plate and the glass plate or the glass plate and the plastic film. In addition to exhibiting almost no improved penetration resistance even when a large impact is applied to it, it has excellent heat resistance.
- a conventional adhesive layer is used for bonding between a glass plate and a glass plate, and a relatively thin heat ray cut layer dispersed in a metal oxide synthetic resin is provided on the transparent adhesive layer. Since the heat ray cut layer itself has a performance close to that of the conventional transparent adhesive layer and is a thin layer, when the laminate is produced using the sheet adhesive of the present invention, the penetration resistance is reduced. Heat ray cutting performance can be obtained with almost no deterioration. By using a laminate with such heat ray-cutting performance, for example, for glass such as window glass mounted on the car body and buildings, etc., the car and the building are less affected by the outside air. Can be reduced.
- the laminate of the present invention can also be designed to have moderate performance in impact resistance, penetration resistance, etc. For this reason, for example, windows installed in various vehicle bodies, buildings, etc. It can be used for glass such as glass or glass for showcases and show windows. Both glass plates can be designed to exhibit particularly excellent impact resistance and improved penetration resistance, and can be used in various applications including laminated glass.
- the glass plate used in the present invention is usually silicate glass.
- the glass thickness varies depending on the location where it is installed.
- the thickness of the glass plate is generally 1.0 to 1 O mm, especially 2 to 5 mm. 2 to 3 mm is preferred.
- the one glass plate 1 is chemically or thermally strengthened. It is.
- the thickness of the transparent adhesive layer is 0.1 to 1.0 because the thickness of the windshield is not required.
- a range of mm is common, and a range of 0.2 to 0.6 mm is preferred.
- the thickness of the plastic film is generally in the range of 0.02 to 2 mm, and preferably in the range of 0.02 to 1.2 mm. The thickness of the transparent adhesive layer and the plastic film can be changed according to the place where the glass is used.
- the synthetic resin used in the transparent adhesive layer containing the synthetic resin in the present invention includes ethylene / vinyl acetate copolymer (EVA), polyvinylacetal resin (for example, polyvinyl formal, polyvinyl butyral (PVB resin)). , Modified PVB), and salted bull resin can also be used.
- EVA ethylene / vinyl acetate copolymer
- PVB polyvinylacetal resin
- Modified PVB Modified PVB
- salted bull resin can also be used.
- Preferred are ethylene vinyl acetate copolymer (EV A) and polyvinyl ptyral (PVB resin), and particularly preferred is ethylene / vinyl acetate copolymer.
- EVA used for the transparent adhesive layer generally has a vinyl acetate content of 15 to 40% by mass, 20 to 35% by mass, further 22 to 30% by mass, especially 24 to 28% by mass. preferable. If the vinyl acetate content is less than 15% by mass, the transparency of the resin obtained when crosslinking and curing at high temperature is not sufficient, and conversely 40 mass. If it exceeds / 0 , the impact resistance and penetration resistance of the crime prevention glass tend to be insufficient.
- composition forming the transparent adhesive layer of the present invention various additives such as an organic peroxide, a crosslinking aid, an adhesion improver, and a plasticizer are added to the synthetic resin such as EVA as necessary. Can be included.
- organic peroxides such as lacquer auxiliaries, adhesion improvers, and plasticizers that are preferably used when EVA is used as the synthetic resin. These can be appropriately selected and used for other synthetic resins (other than PVB).
- the organic peroxide is generally decomposed at a temperature of 100 ° C. or higher. Anything that generates a zical can be used.
- the organic peroxide is selected in consideration of the film forming temperature, the adjustment condition of the composition, the curing (bonding) temperature, the heat resistance of the adherend, and the storage stability. In particular, those having a half-life of 10 hours and a decomposition temperature of 70 ° C or higher are preferred.
- organic peroxides examples include 2,5-dimethylhexane-1,5-dihydroperoxide, 2,5-dimethyl-1,2,5-di (t-butyl baroxy) hexane 1-3 t-Butyl peroxide, t-Butylcumyl peroxide, 2,5-Dimethyl _ 2,5-Di (t-Butylperoxide) Hexane, Dicumyl peroxide, ⁇ , a 'Bis (t-Butyl (Peroxyisopropyl) benzene, n-butyl-1,4-bis (t_butylperoxy) valerate, 1,1-bis (t-butylperoxy) hexane, 1,1_bis (t-butyloxy) 1,3,3,5-trimethylcyclohexane, t-butyl peroxybenzoate, benzoyl peroxide, t-butyl peroxyacetate, methyl ketone ket
- the transparent adhesive layer improves or adjusts various physical properties of the film (mechanical strength, adhesiveness, optical properties such as transparency, heat resistance, light resistance, cross-linking speed, etc.), especially mechanical strength improvement. Therefore, it is preferable to include an acryloxy group-containing compound, a methacryloxy group-containing compound, and a no- or epoxy-group-containing compound.
- the acryloxy group-containing compound and the methacryloxy group-containing compound to be used is a derivative of acrylic acid or methacrylic acid, and examples thereof include acrylic acid or methacrylic acid esters and amides.
- ester residues include linear alkyl groups such as methyl, ethyl, dodecyl, stearyl, lauryl, cyclohexyl group, tetrahydrofurfuryl group, aminoethyl group, 2_hydroxychetinore group, 3- Examples thereof include a hydroxypropynole group and a 3-chloro-2-hydroxypropyl group.
- polyhydric alcohols such as ethylene glycol, triethylene glycolone, polypropylene glycol, polyethylene glycol, trimethylolpropane, and pentaerythritol and esters of acrylic acid or methacrylic acid can be mentioned.
- An example of an amide is diacetone acrylamide.
- polyfunctional compound examples include esters obtained by esterifying a plurality of acrylic acid or methacrylic acid with glycerin, trimethylolpropane, pentaerythritol, and the like, and triarylcyanurate and triallyl isocyanurate. .
- Epoxy-containing compounds include triglycidyl tris (2-hydroxyxetyl) isocyanurate, neopentylglycol diglycidyl ether, 1,6—hexane diau ⁇ / diglycidino reetenole, allylic glycidino reetenole, 2-ethino les Xinoleglycidyl ether, Phenyldaricidyl ether, Phenonor (ethylenoxy) 5 Glycidyl ester, P-t-Butyl glycidyl ester, Adipic acid diglycidyl ester, Phthalic acid diglycidyl ester, Glycidyl methacrylate, Butyl Mention may be made of daricidyl ether.
- a silane coupling agent can be added as an adhesion improver in order to further enhance the adhesive force between the transparent adhesive layer and the glass plate or plastic film.
- silane coupling agent examples include: ⁇ -chloropropyl propyl silane, vinyl ethoxy silane, vinylol tris (
- the plasticizer is not particularly limited, but generally an ester of a polybasic acid or an ester of a polyhydric alcohol is used. Examples thereof include dioctyl phthalate, dihexyl adipate, triethylene glycolate 2-ethenole butyrate, butyl sebacate, tetraethylene glycol diheptanoate, and triethylenedaricol dipelargonate.
- One type of plasticizer may be used, or two or more types may be used in combination.
- the plasticizer content is preferably in the range of 5 parts by mass or less with respect to 100 parts by mass of EV A.
- triaryl (iso) cyanurate as a crosslinking aid is added to 100 parts by mass of EVA:! ⁇ 3 parts by weight, preferably contained.
- the adhesiveness can be further improved.
- Triarinore (iso) cyanurate represents both triarinoleiso cyanurate and triarylcyanurate, with trialinole isocyanurate being particularly preferred.
- the ratio of organic peroxide to triallyl (iso) cyanurate is 60:40 to 40:60 (organic peroxide: triarinole (iso) cyanurate), especially 5 5: 4 5 to 50:50 It is preferable that Improved adhesion is easy to obtain.
- PVB resin When using a PVB resin as a synthetic resin, the PVB resin, Poribyurua acetal units 70-9 5 wt 0/0, with polyvinyl acetate Bulle units 1-1 5 mass%, average degree of polymerization of 200 to 3 000, Those having 300 to 2500 are preferred, and PVB resin is used as a resin composition containing a plasticizer.
- the plasticizer for the PVB resin composition include organic plasticizers such as monobasic acid esters and polybasic acid esters, and phosphoric acid plasticizers.
- Monobasic acid esters include butyric acid, isobutyric acid, caproic acid, 2-ethylbutyric acid, heptanoic acid, n-octylic acid, 2-ethylhexylic acid, pelargonic acid (n-nonylic acid), and decylic acid.
- Esters obtained by the reaction of an acid with triethylene glycol are preferred, more preferably triethylene di-di-2-ethylbutyrate, triethyleneglycolene di-2-ethylenohexoate, triethylene glycol Pronate, triethylene glycol-di- n- octate, etc.
- An ester of the above organic acid with tetraethylene glycol or tripropylene glycol can also be used.
- polybasic acid ester plasticizer for example, an ester of an organic acid such as adipic acid, sebacic acid, or azelaic acid and a linear or branched alcohol having 4 to 8 carbon atoms is preferable, and more preferably, Examples include dibutyl sebacate, dioctylazelate, and dibutyl carbitol adipate.
- Phosphate-based plasticizers include tributoxetyl phosphate, isodecyl phosphate
- the plasticizer with respect to 100 parts by weight of the polybutyral resin. 5 to 50 parts by weight, preferably 10 to 40 parts by weight.
- the layer thickness of the transparent adhesive layer is generally in the range of 0.2 to 3 mm, preferably 0.7 to: I 0.0 mm.
- the heat ray cutting layer of the present invention is basically a layer in which metal oxide fine particles are dispersed in a synthetic resin.
- the heat ray cut layer contains metal oxide fine particles, the obtained sheet-like adhesive has excellent heat ray shielding properties, optical properties such as transmittance, and good electromagnetic wave permeability. It will have.
- the metal oxide fine particles preferably have an average particle diameter of 10 to 90 nm, particularly 20 to 80 nm. If these ranges are exceeded, the heat ray cutting performance will decrease, If it is less than these ranges, the decrease in transparency may be significant.
- metal oxide fine particles examples include ZnO, SnO 2 , tin-doped indium oxide (ITO), antimony monotin tin oxide, and aluminum-doped zinc oxide. These can be used alone or in combination of two or more. ITO is preferred.
- the content of the metal oxide fine particles is preferably 10 to 40% by mass, and preferably 10 to 30% by mass with respect to the synthetic resin. If the content is less than 10 parts by mass, the heat ray cutting effect may not be sufficient. If it exceeds 40 parts by mass, the transmittance of visible light may decrease. In addition, this makes it possible to impart good heat ray cutting performance to the sheet-like adhesive without impairing the excellent adhesiveness of the sheet-like adhesive and the penetration resistance.
- a transparent adhesive layer can be used as the synthetic resin for the heat ray cutting layer. It is preferable to use the same type of synthetic resin as the transparent adhesive layer. It is particularly preferable to use EVA. Furthermore, even for EVA, it is particularly preferable to use those having the same or substantially the same composition, such as the same or almost the same vinyl acetate content.
- the layer thickness of the heat ray cut layer is generally 2 to 80 ⁇ , preferably 5 to 50 um. By setting within this range, it is possible to give the sheet-like adhesive a good heat radiation performance without impairing the excellent adhesiveness and penetration resistance of the obtained sheet-like adhesive.
- the heat ray cut layer is thin.
- the ratio of the layer thickness of the transparent adhesive layer to the layer thickness of the heat ray cut layer is 2:
- the range of! ⁇ 10: 0: 1 is general, the range of 5 ::! ⁇ 50: 1 is preferable, and the range of 10 ::! ⁇ 30: 1 is particularly preferable.
- the transparent adhesive layer of the sheet-like adhesive of the present invention can be prepared by using, for example, the above-mentioned EVA, an organic peroxide, and the like by ordinary extrusion molding, calendar molding (calendering), etc. It can be manufactured by a method of forming a sheet by molding.
- the above composition containing EVA, organic peroxide, etc. is dissolved in a solvent, and this solution is applied onto an appropriate support with an appropriate applicator (coater) and dried to form a coating film.
- a sheet can be obtained.
- FIG. 3 shows a schematic diagram of an example of a method for producing the transparent adhesive layer of the present invention by force rendering.
- the composition (raw material) containing the above EVA, organic peroxide and the like is put into a kneading machine 31, and after kneading, the kneaded product 30 is conveyed by a conveyor 32 and supplied to a kneading roll 33.
- the kneaded material formed into a sheet by the kneading roll 3 3 is conveyed by the conveyor 3 4, and then the calender roll 3 5 (first roll 3 5 A, second roll 3 5 B, third roll roll 3 5 C, fourth roll 3 5 D) Smooth the sheet, and take out the smoothed sheet with take-off roll 36.
- the surface is embossed with an embossing roll 37, cooled with five cooling rolls 38, and the obtained sheet 20 is scraped off with a scraper 39.
- the embossing process is appropriately performed.
- the heat ray cut layer of the present invention can be produced in the same manner as the transparent adhesive layer by the above extrusion molding and calendar molding. Further, when the heat ray cut layer of the present invention is produced by coating, it may be applied directly to the obtained transparent adhesive layer.
- the sheet-like adhesive of the present invention can be obtained, for example, by laminating a sheet of a transparent adhesive layer and a sheet of a heat ray cut layer obtained by the above-described calendar molding or the like.
- An example of this bonding method will be described with reference to FIG.
- the sheet 41 of the transparent adhesive layer is sent out from the feed roll 45, and sent to the squeeze rolls 48a and 48b through the roll 46.
- the sheet 4 2 of the heat ray cut layer is fed out from the feed roll 47, and is superposed on the sheet 41 of the transparent adhesive layer by the squeeze rolls 48a and 48b and pressed. In this way, the sheet-like adhesive 40 is obtained and scraped off by the scraping roll 49.
- the sheet before the squeeze rolls 48a, 48b can be heated, heated after passing through the squeeze rolls, or many squeeze rolls can be used.
- the above transparent adhesion it is preferable that a coating solution containing a metal oxide dispersed in an organic solvent and a synthetic resin is directly applied on the agent layer and dried.
- a coating solution containing a metal oxide dispersed in an organic solvent and a synthetic resin is directly applied on the agent layer and dried.
- An example of this coating method will be described with reference to FIG.
- the sheet 51 of the transparent adhesive layer is fed from the feeding roll 55, and the coating liquid 57 is supplied to the sheet 51 that has been leveled by the roll 56, and is scraped off by the doctor blade 58.
- a coating layer is provided, and the solvent is removed by the dryer 61, and thus the sheet-like adhesive 50 is obtained and wound up by the winding roll 59.
- the sheet-like adhesive (transparent adhesive layer) of the present invention that is, the sheet obtained as described above is generally 100 to 150 ° C (especially around 1300 ° C) when used as a laminate. Then, it is heated for 10 minutes to 1 hour to crosslink. Such cross-linking is carried out by depressurizing in the state of being sandwiched between transparent substrates when producing a laminate, and then pre-pressing at a temperature of, for example, 80 to 120 ° C, and 100 to 150 ° C ( In particular, it is performed by pressurizing at around 1 30 ° C for 10 minutes to 1 hour.
- plastic film used for the transparent substrate of the present invention examples include polyethylene terephthalate (PET) film, polyethylene phthalate (PEN) film / rem, and polyethylene butyrate film, and PET film is preferred.
- PET polyethylene terephthalate
- PEN polyethylene phthalate
- PET film is preferred.
- an ultraviolet curable resin or a thermosetting resin is used as the resin used for that purpose.
- the layer thickness of the hard coat layer is generally in the range of 1 to 50 ⁇ m, preferably 3 to 20 ⁇ .
- the ultraviolet curable resin a known ultraviolet curable resin can be used, and any other low molecular weight and multifunctional resin suitable for hard coat treatment is not particularly limited.
- This UV-curable resin is, for example, an oligomer such as a urethane oligomer having a plurality of ethylenic double bonds, a polyester oligomer, or an epoxy oligomer, pentaerythritol tetraacrylate ( ⁇ ), pentaerythritol tetrametaacrylate, dipentaerythritol hexax.
- Monofunctional or polyfunctional oligomers such as relate (DPEHA), reactive diluents, Generally composed of initiator.
- various additives can be contained.
- an acrylic group-containing compound, a methacryloxy group-containing compound and / or an epoxy group-containing compound used in the transparent adhesive layer can be used.
- the transparent adhesive can be used.
- the compound used in the agent layer can be used.
- Each of the oligomer, reactive diluent and initiator may be used alone or in combination of two or more.
- the content of the reactive diluent is generally from 0.1 to 10 parts by weight, preferably from 0.5 to 5 parts by weight, based on 100 parts by weight of the ultraviolet curable resin.
- the content of the photopolymerization initiator is preferably 5 parts by mass or less with respect to 100 parts by mass of the ultraviolet curable resin.
- thermosetting resin reactive acrylic resin, melamine resin, epoxy resin, etc.
- ultraviolet curable resin can also be used.
- a hard coat layer is formed using an ultraviolet curable resin
- the ultraviolet curable resin is diluted as it is or with an organic solvent to an appropriate concentration, and the obtained solution is applied to an appropriate film with an appropriate coater.
- a hard coat layer can be formed by irradiating with UV light for several seconds to several minutes directly or through a release sheet (after vacuum degassing).
- the UV lamp a high pressure mercury lamp, a medium pressure mercury lamp, a low pressure mercury lamp, a metal halide lamp, etc. can be used.
- thermosetting resin When forming a hard coat layer using a thermosetting resin, apply an organic solvent solution of the thermosetting resin on an appropriate film with an appropriate coating machine (coater), and provide a release sheet if necessary. After deaeration, etc., perform thermosetting and thermocompression bonding.
- the release sheet When the release sheet is not used, it is preferable to dry it for 60 seconds before heating and pressure bonding to evaporate the solvent of the coating layer and prevent the surface from sticking. Even when a release sheet is used, it is preferable that the release sheet is provided after slightly drying.
- the laminate of the present invention includes, for example, one glass plate, a sheet-like transparent adhesive layer, and 1 It can be obtained by laminating a sheet of glass or plastic film, degassing the sandwich structure, pressing it under heating, and then subjecting it to a hard coat treatment on the plastic film if desired. Alternatively, after the lamination, a hard coat can be applied, UV cured, and then heated and pressed. Thereafter, the crosslinking treatment is performed.
- a barrier layer may be formed on the side surface of the laminate (particularly laminated glass) obtained as described above.
- the thickness of the layer is generally 0. l ⁇ 20 / xm ,! ⁇ ⁇ ⁇ ⁇ is preferred.
- the laminate thus obtained can be used for the following applications.
- automotive glass, side glass and rear glass, railway vehicles such as ordinary vehicles, express vehicles, express vehicles, sleeper vehicles, etc., passenger door door glass, window glass and indoor door glass, buildings, etc.
- An EVA sheet having a thickness of 0.4 mm was obtained as a transparent adhesive layer by the force-render molding method shown in FIG.
- the compound was kneaded at 80 ° C. for 15 minutes, the calender roll temperature was 80 ° C., and the processing speed was 5 minutes.
- t-Butylperoxy 2-ethylhexyl monocarbonate 2.2 Silane coupling agent (KBM503; manufactured by Shin-Etsu Chemical Co., Ltd.): 1.0 UV absorber (Ubinal 3049; manufactured by BASF Japan): 0.1 EVA sheet with a thickness of 0.4 mm
- a coating solution for forming a heat ray cut layer having the following composition was applied and dried at 40 ° C. for 15 minutes to form a heat ray cut layer having a thickness of 20 ⁇ m. This application was performed using the apparatus shown in FIG.
- t-Butylperoxy 2-ethylhexyl monocarbonate 2.2 Silane coupling agent (KBM503; manufactured by Shin-Etsu Chemical Co., Ltd.): 1.0 UV absorber (Ubinal 3049; manufactured by BAS F Japan Co., Ltd.) ): 0.1 ITO dispersion (15% by weight ITO solution in ITO, average particle size 30 nm,
- Example 2 a 0.4 mm thick PVB sheet (S-LEC film (RZ, manufactured by Sekisui Chemical Co., Ltd.)) was used in the same manner to obtain a sheet adhesive. Produced.
- S-LEC film RZ, manufactured by Sekisui Chemical Co., Ltd.
- EVA sheet having a thickness of 0.4 mm was obtained as a transparent adhesive layer by the force-render molding method shown in FIG.
- the compound was kneaded at 80 ° C for 15 minutes, the calender roll temperature was 80 ° C, and the processing speed was 5 m / "min. (Formation for forming EVA sheet with heat ray cut material (parts by mass))
- Example 1 Only the EVA sheet used in Example 1 was used as it was as a transparent sheet adhesive.
- Infrared transmittance transmittance of 1200 nm
- visible light transmittance transmittance of 650 nm
- the laminated glass obtained using the sheet-like adhesives of Example 1 and Comparative Examples 1 and 2 was transmitted through a wavelength range of 350 to 1250 nm using a spectrophotometer (UV3 100, manufactured by Shimadzu Corporation). The rate was measured. The measurement was performed according to JI S-R-3212. The light transmittance at 1200 nm and 650 nm is shown.
- the laminates using the sheet-like adhesives of Examples 1 and 2 according to the present invention have a low infrared transmittance and a good level of penetration resistance. Although the laminate using the sheet-like adhesive of Comparative Example 1 had good infrared transmittance, the penetration resistance was not satisfactory.
- the sheet-like adhesive of the present invention can be easily produced, exhibits excellent adhesiveness and penetration resistance, and exhibits good heat ray cutting performance, particularly for use in film tempered glass and laminated glass. Is advantageous.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Joining Of Glass To Other Materials (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004312146A JP2006124455A (ja) | 2004-10-27 | 2004-10-27 | シート状接着剤及びその製造方法、並びにそれを用いた積層体 |
| JP2004-312146 | 2004-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006046726A1 true WO2006046726A1 (ja) | 2006-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/019945 Ceased WO2006046726A1 (ja) | 2004-10-27 | 2005-10-25 | シート状接着剤及びその製造方法、並びにそれを用いた積層体 |
Country Status (2)
| Country | Link |
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| JP (1) | JP2006124455A (ja) |
| WO (1) | WO2006046726A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3460012A3 (en) * | 2011-09-17 | 2019-06-26 | Nippon Kayaku Kabushiki Kaisha | Heat-ray-shielding-adhesive composition, heat ray shielding transparent adhesive sheet, and method for manufacturing same |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4717727B2 (ja) * | 2006-06-12 | 2011-07-06 | 株式会社ブリヂストン | 合わせガラス用中間膜及びそれを用いた合わせガラス |
| JP4942578B2 (ja) * | 2007-08-03 | 2012-05-30 | 株式会社ブリヂストン | 積層体 |
| JP2009161602A (ja) * | 2007-12-28 | 2009-07-23 | Denki Kagaku Kogyo Kk | 変性ポリ酢酸ビニルを含有するポリビニルアセタール組成物、該ポリビニルアセタール組成物からなるポリビニルアセタールシート及び前記ポリビニルアセタール組成物からなる合わせガラス用中間膜 |
| EP2878442A1 (de) * | 2013-11-29 | 2015-06-03 | Kuraray Europe GmbH | Verbundglaslaminate mit Wärmestrahlung abschirmenden Eigenschaften |
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| JPS51102013A (ja) * | 1975-03-06 | 1976-09-09 | Shimada Tokushu Garasu Kk | Mushokumatahajushokunoawasegarasuitanoseizohoho |
| JPH11171604A (ja) * | 1997-12-10 | 1999-06-29 | Sekisui Chem Co Ltd | 合わせガラス用中間膜及び合わせガラス |
| JP2000219541A (ja) * | 1999-01-27 | 2000-08-08 | Fujicopian Co Ltd | 合わせガラス用貼り合わせ材料および該貼り合わせ材料を用いる合わせガラスの製造方法 |
| JP2002019309A (ja) * | 2000-07-11 | 2002-01-23 | Lintec Corp | 熱転写画像形成用光透過性粘着シート及び光透過性装飾粘着シート |
| JP2002326305A (ja) * | 2001-04-27 | 2002-11-12 | Nisshinbo Ind Inc | 透視性電磁波シールド板、その製造方法及びディスプレイ装置 |
| JP2003213230A (ja) * | 2002-01-25 | 2003-07-30 | Asahi Glass Co Ltd | 保護フィルム |
| JP2003252656A (ja) * | 2002-02-27 | 2003-09-10 | Sekisui Chem Co Ltd | 合わせガラス用中間膜及び合わせガラス |
-
2004
- 2004-10-27 JP JP2004312146A patent/JP2006124455A/ja active Pending
-
2005
- 2005-10-25 WO PCT/JP2005/019945 patent/WO2006046726A1/ja not_active Ceased
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51102013A (ja) * | 1975-03-06 | 1976-09-09 | Shimada Tokushu Garasu Kk | Mushokumatahajushokunoawasegarasuitanoseizohoho |
| JPH11171604A (ja) * | 1997-12-10 | 1999-06-29 | Sekisui Chem Co Ltd | 合わせガラス用中間膜及び合わせガラス |
| JP2000219541A (ja) * | 1999-01-27 | 2000-08-08 | Fujicopian Co Ltd | 合わせガラス用貼り合わせ材料および該貼り合わせ材料を用いる合わせガラスの製造方法 |
| JP2002019309A (ja) * | 2000-07-11 | 2002-01-23 | Lintec Corp | 熱転写画像形成用光透過性粘着シート及び光透過性装飾粘着シート |
| JP2002326305A (ja) * | 2001-04-27 | 2002-11-12 | Nisshinbo Ind Inc | 透視性電磁波シールド板、その製造方法及びディスプレイ装置 |
| JP2003213230A (ja) * | 2002-01-25 | 2003-07-30 | Asahi Glass Co Ltd | 保護フィルム |
| JP2003252656A (ja) * | 2002-02-27 | 2003-09-10 | Sekisui Chem Co Ltd | 合わせガラス用中間膜及び合わせガラス |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3460012A3 (en) * | 2011-09-17 | 2019-06-26 | Nippon Kayaku Kabushiki Kaisha | Heat-ray-shielding-adhesive composition, heat ray shielding transparent adhesive sheet, and method for manufacturing same |
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| JP2006124455A (ja) | 2006-05-18 |
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