WO2003059837A1 - Verre de securite destine a des vehicules et procede de fabrication - Google Patents
Verre de securite destine a des vehicules et procede de fabrication Download PDFInfo
- Publication number
- WO2003059837A1 WO2003059837A1 PCT/JP2003/000143 JP0300143W WO03059837A1 WO 2003059837 A1 WO2003059837 A1 WO 2003059837A1 JP 0300143 W JP0300143 W JP 0300143W WO 03059837 A1 WO03059837 A1 WO 03059837A1
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- WIPO (PCT)
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- region
- intermediate film
- laminated glass
- transmittance loss
- film
- Prior art date
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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
- B32B17/1055—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
- B32B17/10651—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 colorants, e.g. dyes or pigments
- B32B17/1066—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 colorants, e.g. dyes or pigments imparting a tint in certain regions only, i.e. shade band
-
- 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
- B32B17/10009—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
- B32B17/10082—Properties of the bulk of a glass sheet
- B32B17/1011—Properties of the bulk of a glass sheet having predetermined tint or excitation purity
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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
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10293—Edge features, e.g. inserts or holes
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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
-
- 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
- B32B17/10614—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 particles for purposes other than dyeing
- B32B17/10633—Infrared radiation absorbing or reflecting agents
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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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- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
Definitions
- the present invention relates to a laminated glass for vehicles, and more particularly to a laminated glass for vehicles including a functional interlayer.
- Laminated glass for vehicles may have a shaded area (shade band) colored green or blue to improve antiglare and heat insulation.
- the shade panda is sometimes provided on the surface of the glass plate, but is often formed by coloring the intermediate film for joining the glass plates into a strip shape.
- the windshield has a statutory area (sometimes referred to as a “field of view” in this specification) where the visible light transmittance should be a predetermined value or more (for example, 70% or more). For this reason, the windshield shade band is located outside the field of view, usually above the windshield.
- Colored glass plates are often used for laminated glass for vehicles, especially laminated glass for automobiles, for heat insulation and ultraviolet absorption.
- a typical colored glass plate is a green glass plate to which more iron is added than usual.
- IT ⁇ Indium Tin Oxide
- PVB polyvinyl petital
- ITS Intelligent Transport System
- a CCD (Charge Coupled Device) camera or a rain sensor is arranged to receive light having a wavelength from the visible region to the infrared region through a glass window, particularly a windshield. Includes optical equipment.
- these devices are installed in contact with the inside of the windshield, it is desirable to install the light receiving device in the upper area of the windshield in order to ensure safety and demonstrate the full functionality of the device.
- a shade band may be formed in this region. If light is received through a shade band that significantly reduces the light transmittance from the visible range to the infrared range, the sensitivity of the light receiving device decreases. For this reason, conventionally, it has been necessary to change the mounting position of the light receiving device or to give up the compatibility between the light receiving device and the shade band. Similarly, even if the windshield includes a thermal barrier interlayer, it will be unavoidable that light receiving devices that use infrared light will be degraded.
- HUD Head-up Display
- HUD which displays information necessary for driving such as vehicle speed on the windshield
- HUD requires a light source installed in the car and a reflection enhancement film (combiner) to reflect the light from this light source to the driver's eyes.
- the compiler is usually formed on the inner surface of the windshield in the field of view.
- the visible light transmittance is slightly reduced by this intermediate film, so if a combiner that further reduces the transmittance is formed, legal visible light is generated in the region where the combiner is formed. In some cases, the transmittance could not be achieved. If a colored glass plate with excellent heat-shielding properties is used for this laminated glass, instead of using a normal clear glass plate, the visible light of the windshield is used. The line transmittance can be increased. However, in this case, in order to locally increase the visible light transmittance, the heat shielding property of the other entire area is sacrificed.
- a thin film has been formed partially on the surface of the glass plate. This is because, for example, a glass plate that has been cut into a predetermined shape before the aligning process is convenient for identifying the area where the characteristics should be changed, as is the case with the HUD combiner. Ceramic prints, which are framed around the windshield, are also printed on the surface of the glass plate.
- the addition of a function using an interlayer film is frequently used when the function is required over a relatively wide area of the windshield or the entire surface thereof.
- the addition of a functional material to an organic intermediate film is often more advantageous in manufacturing costs, as is the case with the addition of conductive fine particles.
- the intermediate film is wound into a roll and supplied to the mating process. Therefore, in general, it is considered unsuitable for locally processing a portion corresponding to a predetermined area of each windshield. It has been.
- the combination of (1) to (3) described above is, for example, reflected on the surface of the region of the windshield in order to increase the transmittance locally in a specific region where the light receiving device is to be disposed.
- a prevention film By forming a prevention film, it is necessary to achieve both.
- relying on such a conventional method does not sufficiently restore the sensitivity of the receiver, or it is legally visible.
- the reflectivity of the compiler In order to achieve light transmission, the reflectivity of the compiler must be reduced slightly.
- the present invention is a laminated glass for vehicles in which at least two glass plates are bonded to each other via an intermediate film, and the intermediate film reduces the transmittance loss at least for visible light.
- it provides a laminated glass for vehicles having a transmittance loss smaller than the above-described transmittance loss with respect to visible light.
- FIG. 1 is a plan view showing an embodiment of a laminated glass for a vehicle according to the present invention using an intermediate film with a shaded band.
- FIG. 2 is a cross-sectional view taken along the line AA in FIG.
- FIG. 3 is a plan view showing another embodiment of the laminated glass for a vehicle according to the present invention, in which an intermediate film with a shade band is used.
- FIG. 4 is a cross-sectional view taken along the line BB in FIG.
- FIG. 5 is a plan view showing another embodiment of the laminated glass for a vehicle according to the present invention, which uses a heat insulating interlayer.
- FIG. 6 is a cross-sectional view taken along the line CC in FIG.
- FIG. 7 is a plan view showing still another embodiment of the laminated glass for vehicles according to the present invention, in which a thermal insulation film is used.
- FIG. 8 is a sectional view taken along the line DD in FIG.
- FIG. 9A to FIG. 9D are diagrams showing an example of the production process of the intermediate film used for the laminated glass for vehicles of the present invention.
- FIG. 10A to FIG. 10D are respectively used for the laminated glass for vehicles of the present invention. It is a figure which shows another example of the manufacturing process of the intermediate film which is.
- FIG. 11 is a diagram showing an example of the shape of a mask used for manufacturing an intermediate film used in the laminated glass for vehicles of the present invention.
- the windshield is formed with a first region having a high transmittance loss for visible light and a second region having a low transmittance loss.
- the first region has various functions (such as anti-glare).
- the second region is used as an optical window (optical aperture).
- These two areas are given by the interlayer. Interlayers whose properties are locally adjusted in a specific area have been considered unsuitable for mass production of laminated glass, but as will be described later, for example, two types of intermediate films individually mass-produced If a process for compounding is added, sufficient mass production is possible.
- the switching of the region by the intermediate film has the advantage that the light attenuation attributed to the functional material contained in the intermediate film can be largely removed (in some cases, completely).
- the transmittance loss in the second region is preferably 3% or less, more preferably 2% or less, and particularly preferably 1% or less.
- a general-purpose PVB film that does not contain functional materials such as infrared absorbing materials and colorants has a transmittance loss of substantially 0%, so if this “normal PVB film” is used in the second region, It ’s enough. However, as long as the transmittance is not significantly impaired, there is no problem even if the second region contains functional materials.
- the first region may be formed by adding various functional materials to thermoplastic resin such as PVB.
- the heat shielding intermediate film can be produced by mixing an infrared absorbing material such as conductive fine particles into the intermediate film.
- the shade band may be formed using a colorant such as a pigment or a dye.
- a colorant such as a pigment or a dye.
- Typical conductive fine particles include IT ⁇ fine particles.
- pigments for shade bands azo, phthalocyanine, and quince Any of organic pigments such as organic pigments, and inorganic pigments such as metal oxides and metal powders may be used.
- a colored layer and a clear layer are formed by extrusion molding from a resin composition obtained by kneading a pigment together with a resin and a plasticizer and a resin composition not containing the pigment (resin and plasticizer).
- a colored interlayer film can be obtained by sandwiching and forming a colored layer between clear layers.
- a method of supplying the dye only to a predetermined region of the intermediate film formed in advance may be adopted as will be described later.
- the transmittance loss is given to the extent that the visible light transmittance does not become 0%.
- the first region overlaps with the visual field region that requires a visible light transmittance of a predetermined value or more, for example, when it is desired to provide heat shielding by the intermediate film even in the visual field region, the first region also exceeds the predetermined value (for example It is preferable to limit the addition of the functional material to such an extent that a visible light transmittance of 70% or more is obtained.
- the laminated glass for a vehicle according to the present invention may further include an opaque printing area formed in a frame shape on the peripheral edge of the laminated glass and arranged so as to surround the first area and the second area.
- This opaque print area is sometimes called ceramic print.
- the laminated glass for vehicles according to the present invention may further include a light receiving device arranged to receive light through the second region.
- This light receiving device may be mounted on the surface of the windshield inside the vehicle, and is preferably arranged so as to cover the opening area. According to this arrangement, even if the antiglare property due to the shade band is partially broken by the opening region, it is possible to prevent the transmission of direct light which hinders driving.
- an optical sensor such as a CCD camera or a rain sensor can be used.
- the laminated glass for vehicles of the present invention may further include a reflection enhancing film formed in the second region. This reflection enhancement film can be used as a HUD complier.
- a predetermined visible light transmittance for example, 70% or more
- a heat shielding intermediate film is used, and an optical aperture is formed by replacing a part of the intermediate film with a normal intermediate film having poor heat shielding properties, for example, a normal PVB film.
- all of the remaining part of the laminated glass except for the optical aperture (second region) may be a region (first region) where the heat shielding property by the intermediate film can be obtained.
- an optical aperture is formed by replacing a part of the band-shaped region with a normal intermediate film.
- the optical aperture (second region) may be arranged inside the shade region (first region), and is shaded so as to be continuous with the remaining region excluding the shade region (first region). It may be arranged at the end of the region.
- the glass plate which comprises the laminated glass of this invention there is no restriction
- a glass plate made of soda lime glass a clear glass plate and various colored glass plates can be used without limitation.
- An example of colored glass plate includes a relatively large amount of iron (e.g. the total iron content in terms of F e 2 0 3 to zero. 2 mass% or more, further 0.5% by weight or more), enhanced thermal insulation It is a green glass plate.
- interlayer film constituting the laminated glass of the present invention
- a PVB film that is a general-purpose thermoplastic resin in this field of laminated glass.
- the transmittance loss of the interlayer film is basically For glass plate forming, the type of glass plate c for example, two 2 mm thick green glass plate and be calculated based on the thickness and an intermediate having a total thickness obtained by summing the thickness of the glass plate of the same type
- the transmittance loss of the interlayer film is the value obtained by subtracting the visible light transmittance of the laminated glass from the visible light transmittance of the 4 mm green glass plate.
- the transmittance loss of the intermediate film is that the two glass plates have no prior transmission loss. This is a value obtained by subtracting the visible light transmittance of the laminated glass including the intermediate film from the visible light transmittance of the laminated glass obtained by bonding using the PVB intermediate film.
- the transmittance loss was measured for an intermediate film made by adding various functional materials to the PVB film to make it suitable for practical use.
- As the glass plate a clear glass plate and a green glass plate were used. The results are shown in Table 1.
- PVB film PVB film that does not contain functional materials
- Thermal barrier film P VB film in which I TO fine particles are dispersed
- Pigment film PVB film with light green pigment added
- Dye film PVB film with dark blue dye added
- the clear first glass plate, F e the total iron content in terms of 2 0 3 comprises about 0. 1% green glass plate includes a total iron content of the terms about 0. 5 wt%.
- the ceramic print 3 is formed on the peripheral edge of the inner surface of the vehicle. Ceramic print 3 gives this laminated glass a non-transparent frame and defines a transparent area within this frame. In this embodiment, the ceramic print 3 is formed only on the vehicle interior surface of the vehicle interior glass plate 12. However, the present invention is not limited to this, and the ceramic print 3 is formed on a plurality of surfaces, preferably in the same pattern. It doesn't matter.
- a shade band 22 is provided in the form of a strip at the upper end of the intermediate film 21 that bonds the pair of glass plates 11 and 12.
- a coloring agent such as a pigment is added so that the visible light transmittance can be maintained so that the outside can be visually recognized while an effect such as anti-glare is realized. Since the legal visible light transmittance cannot be maintained, the shade band is placed on top of the windshield except in the field of view. A gradation may be added to the boundary between the shade band 2 2 and the remaining area.
- An opening area 24 is arranged near the center of the shade band 22, and a light receiving device (light sensor) is provided on the inner surface of the windshield 1 so that light can be received through the area 24 having a relatively high transmittance. 4 is installed. In this open area 24, as in the remaining area where no shade band is formed, no colorant is added.
- a light receiving device light sensor
- the open region 24 may be arranged so as to be continuous with the remaining region below the shade band 2 2.
- This open region 24 is formed by retreating a part of the lower end portion of the shade band 22 that is a band-shaped body. It is also a retreated area.
- the opening region 24 may be formed in the intermediate film 23 in which conductive fine particles are dispersed.
- the conductive fine particles impart an infrared absorption function to the windshield 1 in all regions except the opening region 24.
- the photo sensor 4 should be installed on the inner surface of the vehicle so that light can be received through the opening area 24.
- a HUD compener 5 designed to increase the reflectivity is formed on the vehicle inner surface of the windshield 1. Due to its nature, the HUD compiler 5 is placed in the field of view of the windshield. The effect of enhancing the reflection by the combiner further reduces the visible light transmittance, which is slightly reduced by the conductive fine particles contained in the heat shielding intermediate film 23. However, in this windshield 1, the combiner 3 is formed in the opening region 24 that does not contain conductive fine particles, so that the combiner 5 and the heat shielding intermediate film 23 do not overlap. In this way, the local decrease in visible light transmittance in the region where the complier is formed is alleviated.
- the combiner 5 is not limited to the vehicle inner surface (FIG. 8) of the vehicle inner glass plate, but may be formed on other glass plate surfaces.
- a normal intermediate film 25 that does not contain a coloring agent or the like is overlaid on an intermediate film 21 that has a shade band 22 formed in advance at one end thereof (FIG. 9A).
- the intermediate film 25 is disposed so as to overlap at least a part of the shade panda 22.
- the boundary portion 27 of the intermediate film around the opening is temporarily bonded using a soldering iron, for example, at a temperature of about 100-200 ° C, the gap in the intermediate film And steps can be eliminated reliably.
- the intermediate film is heated and flows in the temporary bonding process and the autoclave process.
- the gaps or steps are eliminated in advance, defects such as strain are unlikely to occur in the boundary portion 27.
- laminated glass is produced by a conventionally used method.
- the present invention provides a method for manufacturing a laminated glass for a vehicle from one aspect thereof.
- a first intermediate film including a first region provided with a dimming function that gives a transmittance loss, a second intermediate film having a transmittance loss smaller than the transmittance loss, and
- the first intermediate film and the second intermediate film are removed from a predetermined range including a part of the first region, and the second intermediate film obtained from the predetermined range is fitted into the predetermined range of the first intermediate film,
- the first region and the end portion of the first region surrounded by the first region or a part of the first region are formed to recede, and the visible light has a transmittance loss smaller than the transmittance loss.
- An intermediate film including two regions is prepared, and at least two glass plates are bonded using the intermediate film thus obtained.
- the first intermediate film and the second intermediate film are separately mass-produced as usual, and these intermediate films are wound and transported and stored in a roll shape.
- a desired intermediate film can be obtained by performing the above-described composite.
- the method for producing the interlayer film is not limited to the above, and the interlayer film with a shade band using a colorant, for example, a dye, can also be produced by the following method. As shown in FIG. 11, in this method, a mask 5 is used, and a dye is applied only to a portion of the intermediate film 2 where a shade band is to be provided. The dye may be applied, for example, by spraying or printing.
- the mask 5 is preferably formed with a protrusion 24 corresponding to an optical aperture with a relatively small transmittance loss.
- this invention provides another manufacturing method of the laminated glass for vehicles from the other one side.
- this manufacturing method by using a mask to supply a colorant to a part of the intermediate film, at least a visible light having a light-reducing function that gives a transmittance loss for the first region and the first region Or the second region having a transmittance loss smaller than the above-described transmittance loss with respect to visible light.
- At least two glass plates are bonded using the interlayer film thus obtained.
- FIGS. 1 and 2 an example of manufacturing a windshield having the same configuration as that shown in FIGS. 1 and 2 is shown.
- a PVB interlayer for laminated glass formed from a resin composition consisting of 100 parts by mass of PVB and 40 parts by mass of a plasticizer was prepared.
- a band-like region at one end of the intermediate film was previously colored with a dye to obtain a shade panda.
- This intermediate film was cut slightly larger than the predetermined windshield shape.
- a predetermined portion in the shade band of the intermediate film is replaced with a normal PVB film that is not colored by a dye or the like, and an opening having a substantially rectangular outer shape is formed in the shade panda.
- a region was formed.
- the boundary area of the opening area was temporarily bonded using a soldering iron to eliminate the step.
- the visible light transmittance in the aperture region of the shade band was 79%, which was almost the same as that of the laminated glass obtained using a normal PVB film.
- the visible light transmittance in the shade band was 30% and the solar radiation transmittance was 28.5%.
- a laminated glass for windshield was obtained in the same manner as in Example 1 except that the method shown in FIGS. 10-8 to 10D was used instead of the method shown in FIGS. 9A to 9D. (See Figure 3 and Figure 4). With this laminated glass, the optical sensor could be used without any problem.
- a laminated glass for windshield was obtained in the same manner as in Example 1 except that a heat shielding interlayer was used instead of the shade banded interlayer (see Fig. 5 and (See Figure 6.)
- the thermal barrier interlayer was obtained from a resin composition containing 100 parts by mass of PVB, 33 parts by mass of a plasticizer, and 7 parts by mass of an ITO fine particle dispersion (ITO solid content of 10%). With this laminated glass, the optical sensor could be used without any problem.
- the visible light transmittance in the opening region was the same as that of Example 1. In the heat shield region excluding this region, the visible light transmittance was 74.5% and the solar radiation transmittance was 40%.
- Example 3 since the photosensor is attached to the opening area of the heat shielding intermediate film and the photosensor covers the opening area, the heat shielding characteristics are not deteriorated in the opening area.
- the HUD combiner was formed by the following procedure instead of mounting the optical sensor.
- Two green glass plates were prepared by cutting into a predetermined shape and bending.
- a solution composed of the S i 0 2 —T i 0 2 component was applied to a predetermined region on the inner surface of the glass plate, which is the inner side of the vehicle, by a roll coating method, followed by drying and baking.
- a HUD combiner having a refractive index n of about 1.92 and a physical film thickness d of about 110 nm was formed.
- the intermediate film is sandwiched between two green glass plates, pre-crimped, and even autoclay
- a windshield laminated glass for automobiles was obtained by press-bonding with a glass.
- the visible light transmittance in a part of the compiler was 71.5%.
- the visible light reflectance for the light incident at 60 degrees in this part was 19%, and reflection sufficient to function as a combiner was obtained.
- excellent heat shielding properties were obtained from areas other than part of the compiler.
- Example 3 For comparison, a laminated glass with a HUD complier was obtained in the same manner as in Example 3 except that no opening region was formed. In this laminated glass, the visible light transmittance in the combiner portion was reduced to 66.5%, and less than 70%.
Landscapes
- Joining Of Glass To Other Materials (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Glass Compositions (AREA)
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/479,146 US7258454B2 (en) | 2002-01-11 | 2003-01-10 | Laminated glass for vehicles and method for manufacturing the same |
EP03701055A EP1464632B1 (en) | 2002-01-11 | 2003-01-10 | Laminated glass for vehicles and method for manufacturing the same |
DE60331720T DE60331720D1 (de) | 2002-01-11 | 2003-01-10 | Verbundglas zur verwendung in fahrzeugen und herstellungsverfahren dafür |
AT03701055T ATE461038T1 (de) | 2002-01-11 | 2003-01-10 | Verbundglas zur verwendung in fahrzeugen und herstellungsverfahren dafür |
AU2003202500A AU2003202500A1 (en) | 2002-01-11 | 2003-01-10 | Vehicle-use shatter-proof glass and production method therefor |
JP2003559946A JP4442863B2 (ja) | 2002-01-11 | 2003-01-10 | ウインドシールド、および車両用合わせガラスの製造方法 |
US11/481,500 US7175290B2 (en) | 2002-01-11 | 2006-07-06 | Laminated glass for vehicles and method for manufacturing the same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002005380 | 2002-01-11 | ||
JP2002-005379 | 2002-01-11 | ||
JP2002-005380 | 2002-01-11 | ||
JP2002005379 | 2002-01-11 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/479,146 A-371-Of-International US7258454B2 (en) | 2002-01-11 | 2003-01-10 | Laminated glass for vehicles and method for manufacturing the same |
US11/481,500 Division US7175290B2 (en) | 2002-01-11 | 2006-07-06 | Laminated glass for vehicles and method for manufacturing the same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003059837A1 true WO2003059837A1 (fr) | 2003-07-24 |
Family
ID=26625506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/000143 WO2003059837A1 (fr) | 2002-01-11 | 2003-01-10 | Verre de securite destine a des vehicules et procede de fabrication |
Country Status (8)
Country | Link |
---|---|
US (2) | US7258454B2 (ja) |
EP (1) | EP1464632B1 (ja) |
JP (1) | JP4442863B2 (ja) |
AT (1) | ATE461038T1 (ja) |
AU (1) | AU2003202500A1 (ja) |
DE (1) | DE60331720D1 (ja) |
ES (1) | ES2341233T3 (ja) |
WO (1) | WO2003059837A1 (ja) |
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JP7382511B2 (ja) | 2020-01-31 | 2023-11-16 | フロニウス・インテルナツィオナール・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 溶接ヘルメット |
WO2021182641A1 (ja) | 2020-03-13 | 2021-09-16 | 日本板硝子株式会社 | 合わせガラス |
WO2021182640A1 (ja) | 2020-03-13 | 2021-09-16 | 日本板硝子株式会社 | 合わせガラス |
JP7469460B2 (ja) | 2020-03-13 | 2024-04-16 | 日本板硝子株式会社 | 合わせガラス |
WO2021261507A1 (ja) | 2020-06-25 | 2021-12-30 | 積水化学工業株式会社 | 合わせガラス用中間膜及び合わせガラス |
KR20230029580A (ko) | 2020-06-25 | 2023-03-03 | 세키스이가가쿠 고교가부시키가이샤 | 접합 유리용 중간막 및 접합 유리 |
WO2022149374A1 (ja) * | 2021-01-08 | 2022-07-14 | Agc株式会社 | 車両用ガラス及び車両用ガラスの製造方法 |
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EP1464632A1 (en) | 2004-10-06 |
ATE461038T1 (de) | 2010-04-15 |
US7175290B2 (en) | 2007-02-13 |
DE60331720D1 (de) | 2010-04-29 |
EP1464632A4 (en) | 2006-04-19 |
US20060250711A1 (en) | 2006-11-09 |
AU2003202500A1 (en) | 2003-07-30 |
ES2341233T3 (es) | 2010-06-17 |
JP4442863B2 (ja) | 2010-03-31 |
US7258454B2 (en) | 2007-08-21 |
EP1464632B1 (en) | 2010-03-17 |
US20040160688A1 (en) | 2004-08-19 |
JPWO2003059837A1 (ja) | 2005-05-19 |
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