WO2015137211A1 - 窓用積層基板、枠体付き窓用積層基板、窓用積層基板を備えた自動車及び窓用積層基板用中間層構造体 - Google Patents
窓用積層基板、枠体付き窓用積層基板、窓用積層基板を備えた自動車及び窓用積層基板用中間層構造体 Download PDFInfo
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- WO2015137211A1 WO2015137211A1 PCT/JP2015/056356 JP2015056356W WO2015137211A1 WO 2015137211 A1 WO2015137211 A1 WO 2015137211A1 JP 2015056356 W JP2015056356 W JP 2015056356W WO 2015137211 A1 WO2015137211 A1 WO 2015137211A1
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- windows
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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
- B32B17/10009—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
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
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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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/14—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
- B32B5/142—Variation across the area of the layer
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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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/022—Mechanical properties
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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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/001—Double glazing for vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/004—Mounting of windows
- B60J1/007—Mounting of windows received in frames to be attached to vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/02—Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/08—Windows; Windscreens; Accessories therefor arranged at vehicle sides
- B60J1/12—Windows; Windscreens; Accessories therefor arranged at vehicle sides adjustable
- B60J1/16—Windows; Windscreens; Accessories therefor arranged at vehicle sides adjustable slidable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/18—Windows; Windscreens; Accessories therefor arranged at the vehicle rear
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/542—Shear strength
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
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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
- B32B2419/00—Buildings or parts thereof
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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
- B32B2605/00—Vehicles
- B32B2605/006—Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/08—Windows; Windscreens; Accessories therefor arranged at vehicle sides
- B60J1/12—Windows; Windscreens; Accessories therefor arranged at vehicle sides adjustable
- B60J1/16—Windows; Windscreens; Accessories therefor arranged at vehicle sides adjustable slidable
- B60J1/17—Windows; Windscreens; Accessories therefor arranged at vehicle sides adjustable slidable vertically
Definitions
- the present invention relates to a laminated substrate for windows, a laminated substrate for windows with a frame, an automobile equipped with a laminated substrate for windows, and an intermediate layer structure for laminated substrates for windows.
- Patent Document 1 the problem of a decrease in sound insulation is to use a laminated glass for a glass plate for window glass, and use a film having sound insulation performance as an intermediate film (hereinafter also referred to as “sound insulation intermediate film”). It has been proposed to solve this problem.
- the vibration transmitted from one glass plate to the other glass plate can be absorbed, and the two glass plates It is possible to cause a phase shift in the vibrations of the plates and to interfere with the vibrations of the two glass plates. As a result of these, the vibration of the laminated glass is suppressed and sound insulation is obtained.
- the laminated glass using the sound insulating interlayer as in Patent Document 1 is less rigid than the single glass plate having the same thickness as the laminated glass.
- the rigidity of the laminated glass is about half that of a single glass plate.
- the reason why the rigidity of laminated glass is lower than that of a single glass plate is that the sound insulating interlayer is not only resistant to dynamic forces such as sound waves, but also to static forces whose frequencies are lower than those of sound waves.
- the shear modulus is low, it is considered that the two glass plates are independently deformed when a static force is generated in the laminated glass.
- an object of the present invention is to provide a laminated substrate for windows, a laminated substrate for windows with a frame, an automobile provided with a laminated substrate for windows, and a laminated laminate for windows, which can obtain sufficient sound insulation and sufficient rigidity.
- An object is to provide an intermediate layer structure for a substrate.
- the laminated substrate for windows has a peripheral region along the outer periphery of the laminated substrate for windows in a plan view, and a central region located inside the peripheral region,
- the intermediate layer structure has a first region and a second region in plan view,
- the shear modulus of elasticity for the static force of the second region is 1.40 times or more that of the first region
- the second region is The ratio of the area of the second region to the area of the entire laminated substrate for windows in a plan view indicates that the shear elastic modulus for the static force of the second region is the shear elastic modulus for the static force of the first region.
- a laminated substrate for windows in which a plurality of substrates are laminated via an intermediate layer structure
- the laminated substrate for windows is supported by a frame at the periphery
- the laminated substrate for windows has a peripheral region overlapping the frame body in plan view, and a central region other than the peripheral region
- the intermediate layer structure has a first region and a second region in plan view
- the shear modulus of elasticity for the static force of the second region is 1.40 times or more that of the first region
- the second region is The ratio of the area of the second region to the area of the entire laminated substrate for windows in a plan view indicates that the shear elastic modulus for the static force of the second region is the shear elastic modulus for the static force of the first region.
- An intermediate layer structure provided between a plurality of stacked substrates,
- the intermediate layer structure has a central region, a peripheral region, a first region and a second region in plan view,
- the peripheral region is provided along the outer periphery of the intermediate layer structure,
- the central region is located inside the peripheral region,
- the second region is The ratio of the area of the second region to the total area of the intermediate layer structure in plan view is the shear modulus of the second region with respect to the static force, and the shear elasticity with respect to the static force of the first region.
- An intermediate layer structure for a laminated substrate for windows is provided in which the ratio of the area of the second region to the area of the central region in plan view is 0% or more and 83% or less.
- the window substrate is provided with an automobile formed of the above-mentioned laminated substrate for windows.
- a laminated substrate for windows a laminated substrate for windows with a frame, a vehicle equipped with a laminated substrate for windows, and an intermediate for laminated substrates for windows, which can obtain sufficient sound insulation and sufficient rigidity.
- a layer structure can be provided.
- FIG. 6 is a plan view of a first modification of the configuration of the second region 12.
- FIG. 12 is a plan view of a second modification of the configuration of the second region 12.
- FIG. 12 is a plan view of a third modification of the configuration of the second region 12.
- FIG. 10 is a plan view of a fourth modification of the configuration of the second region 12.
- FIG. 12 is a plan view of a fifth modification of the configuration of the second region 12.
- FIG. It is sectional drawing which shows CC cross section of one Embodiment. It is sectional drawing which shows the 1st modification of CC cross section.
- FIG. 6 is a diagram illustrating a relationship between the area of the second area 12 and the value obtained by dividing the shear modulus of elasticity of the second region 12 with respect to the static force by the shear modulus of elasticity of the first region 11 with respect to the static force.
- FIG. 6 is a diagram illustrating a relationship between the area of the second area 12 and the value obtained by dividing the shear modulus of elasticity of the second region 12 with respect to the static force by the shear modulus of elasticity of the first region 11 with respect to the static force. It is a figure which shows the relationship between the sound transmission loss and the area of the 2nd area
- a laminated glass for a vehicle will be described as an example of a laminated substrate for a window, and further, a description will be given by taking as an example a case of a side window for a vehicle and a lift window that moves up and down.
- the laminated substrate for windows according to the present invention is not limited to the laminated glass for vehicles.
- the laminated substrate for windows may be a resin substrate formed of a resin material such as polycarbonate, and may be a structure in which a plurality of such resin substrates are laminated.
- the laminated substrate for windows according to the present invention can be applied to a vehicle windshield, a vehicle roof glass, an architectural laminated glass, and the like.
- an interlayer film for laminated glass formed of a thermoplastic resin will be described as an example of an interlayer structure for a laminated substrate for windows.
- the intermediate layer structure according to the present invention is not limited to the intermediate film.
- the intermediate layer structure includes, for example, a first member, which will be described later, formed of a thermoplastic resin, and a second member, which will be described later, has a high-shear elastic body having no adhesiveness and an adhesive layer formed on the surface thereof. One area and the second area may be provided as separate bodies.
- FIG. 1 is a plan view of an interlayer film for laminated glass according to an embodiment of the present invention.
- the interlayer film 13 for laminated glass has a first region 11 and a second region 12 in plan view.
- the first region 11 is a region formed of a sound insulating interlayer having a shear modulus that is smaller as the sound insulating performance is increased. Specifically, when the frequency is 2 kHz or more and 8 kHz or less and the shear modulus of the first region 11 is 100 MPa or less, preferably 75 MPa or less, and more preferably 50 MPa or less, each glass plate is used as a laminated glass. Vibration absorption and vibration interference between the two glass plates.
- the first region 11 may have any structure as long as it satisfies the above-described characteristics of shear modulus.
- the first region 11 is formed of only one type of material, the first region 11 is made of a material having different characteristics in the thickness direction in consideration of the fact that the sound insulation is unlikely to increase over a wide temperature range. It may have a multilayer structure in which two or more layers are stacked. In this specification, the case where the 1st area
- the second region 12 is provided with a predetermined width in a region surrounded by a solid line that is the outer peripheral end of the interlayer film 13 for laminated glass and a two-dot chain line inside the solid line.
- the second region 12 has a frame shape formed over the entire circumference of the interlayer film 13 for laminated glass, but the second region 12 is not limited to the shape of the present embodiment.
- the second region 12 may be provided along a part of one side of the interlayer film 13 for laminated glass, or may be provided at both ends of the interlayer film 13 for laminated glass.
- region 12 may be provided along from the one end of the one side of the intermediate film 13 for laminated glasses to the other end, and may each be provided along the two sides which the intermediate film 13 for laminated glasses opposes. Details of the shape and arrangement of the second region will be described later.
- the second region 12 has a higher shear elastic modulus than the first region 11 with respect to static force and sound wave.
- the static force is, for example, an external force having a frequency of 1 Hz or less, that is, a load time of 1 second or longer (for example, when the window glass is driven at a high speed in a half-open state, the window is directed from the vehicle interior toward the vehicle exterior. This refers to the force that acts on glass.
- the sound wave refers to a sound wave having a frequency of 2 kHz or more and 8 kHz or less (for example, a sound wave such as wind noise or vehicle passing sound).
- region 12 is made into two glass plates of a laminated glass by making the shear elasticity modulus with respect to the static force and sound wave of the 2nd area
- the laminated glass has a shear modulus of 1.40 times or more, preferably 2.21 times or more that of the first region 11 with respect to a static force, the laminated glass The rigidity of can be sufficiently increased.
- the ratio of the area of the second region 12 to the total area of the interlayer film 13 for laminated glass is that the shear elastic modulus with respect to the static force of the second region 12 is the shear elastic modulus with respect to the static force of the first region 11.
- the value divided by x is 1.40 ⁇ x ⁇ 2.72, ( ⁇ 74.87x + 204.47)% or more, and x> 2.72, ( ⁇ 0.0067x + 0.87)% or more.
- the ratio of the area of the second region 12 to the total area of the interlayer film 13 for laminated glass is such that the shear elastic modulus with respect to the static force of the second region 12 is the static force of the first region 11.
- x is a value obtained by dividing by the shear modulus of elasticity, ( ⁇ 144.08x + 418.31)% or more at 2.21 ⁇ x ⁇ 2.88, ( ⁇ 0.033x + 4.04)% or more at> 2.88 It is.
- the shear elastic modulus with respect to a static force is 1.40 times or 2.21 times or more of another part.
- the portion is defined as a second region 12.
- the material of the second region 12 is preferably bonded to the first region 11 and can be satisfactorily bonded to the two glass plates of laminated glass.
- a thermoplastic material that easily deforms at a high temperature and has a high rigidity at a low temperature is preferably used for the second region 12.
- an adhesive or the like can be applied to the second member 12 and adhered to the two glass plates.
- the second region 12 is formed of glass, the visibility of the second region 12 can be kept low even when the second region 12 is provided in the central region B described later, which is preferable in terms of aesthetics.
- region 12 is formed with a metal, when it provides in the center area
- the second region 12 is formed by forming a resin molding provided on the peripheral edge of the laminated glass so as to be inserted inward of the outer peripheral edge of the laminated glass. Also good.
- a laminated glass is prepared so that the outer peripheral end of the sound insulating intermediate film is located at a predetermined interval from the outer peripheral end of the glass plate.
- the resin molding may be formed so as to enter the region from the outer peripheral edge of the glass plate to the outer peripheral edge of the sound insulating interlayer.
- the portion of the sound insulating intermediate film becomes the first region, and if the resin molding is bonded to the glass plate, the region where the resin molding is provided in the region in the glass plane in plan view becomes the second region. .
- the sound insulation performance of the laminated glass is the first with a low shear modulus.
- the region 11 ensures the rigidity, and the rigidity can be increased by the second region 12 having a high shear modulus.
- FIG. 2 is a plan view of a laminated glass 24 using the interlayer film 13 for laminated glass in one embodiment of the present invention.
- a plurality of glass plates 23 are laminated via the laminated glass interlayer film 13 to form a laminated glass 24.
- the outline of the plurality of glass plates 23 and the outline of the interlayer film 13 for laminated glass overlap each other in plan view, and the first area 11 and the second area formed in the interlayer film 13 for laminated glass. 12 is formed on the laminated glass 24 as it is in a plan view. Therefore, in the following, the configuration of the first region 11 and the second region 12 when the laminated glass 24 is formed will be described, but the configuration of the first region 11 and the second region 12 of the laminated glass interlayer film 13 is also described. It shall be the same.
- the region of the laminated glass 24 is divided into regions A and B.
- Region A is a region surrounded by a solid line corresponding to the outer peripheral edge of laminated glass 24 in FIG. 2 and a broken line inside the solid line, that is, a region along the outer periphery of laminated glass 24. It is an area that overlaps the vehicle body when attached to the vehicle. That is, the broken line in FIG. 2 indicates the end of the vehicle body, and the region A on the outer periphery side of the broken line is a region that is not visually recognized in the case of a fitting window (hereinafter, region A is referred to as “peripheral region A”). ”).
- Region B is an inner region surrounded by a broken line in FIG. 2 and is an opening region of the vehicle body (hereinafter, region B is also referred to as “central region B”).
- the peripheral area A is an area overlapping with the vehicle body, but is not limited to such an area.
- the peripheral area A may be an area overlapping with a resin molding, and when used for a building window glass, the peripheral area A is an area overlapping with a window sash. There may be.
- These vehicle bodies, resin moldings, window sashes, and the like, which are provided on the periphery of the laminated glass 24 and fix the laminated glass 24, are collectively referred to as a “frame” in this specification.
- the central area B is a portion where sound waves from outside the vehicle such as wind noise and vehicle passing sound enter the vehicle
- the peripheral area A is a portion where sound waves from outside the vehicle cannot pass.
- the second region 12 is desirably in the peripheral region A.
- the central region B which is a portion where sound waves enter the vehicle, can be the first region 11 having high sound insulation over the entire laminated glass 24. . That is, since the peripheral area A is originally a portion through which sound waves cannot pass, by providing the second area 12 in the peripheral area A, the rigidity of the laminated glass 24 is increased without reducing the sound insulation of the laminated glass 24. be able to.
- the second region 12 is provided on the inner side by a predetermined width over the entire periphery from the outer peripheral end of the laminated glass 24 indicated by the solid line in FIG. 2, but is limited to such an arrangement. Is not to be done.
- the second region 12 may be provided on the inner side of the peripheral region A by a predetermined width at an inner position away from the outer peripheral end of the laminated glass 24.
- the following configuration may be used.
- FIG. 3 is a plan view of a first modified example of the configuration of the second region 12, and shows an example in which the second region 12 is provided in the entire region of the peripheral region A and the central region B.
- the second region 12 occupies the entire area of the peripheral region A and is partially formed in the central region B.
- the ratio of the area of the second region 12 in the central region B to the area of the central region B is 0% or more and 83% or less, preferably 50% or less, and more preferably 31% or less. If the ratio of the area of the second region 12 in the central region B to the area of the central region B is 83% or less, a sufficient area of the first region 11 having high sound insulation is secured in the central region B. And sufficient sound insulation is obtained.
- the entire region of the central region B can suppress the passage of sound waves compared to the case of an intermediate film that does not have high sound insulation (hereinafter also referred to as “normal intermediate film”), and maintains the desired sound insulation.
- the rigidity can be increased.
- the second region 12 is provided at least in a region within 100 mm, preferably within 80 mm, and more preferably within 50 mm inside the surface from the broken line that is the end of the vehicle body. Desirable in terms. In general, since the width of the vehicle body that overlaps the glass plate is about 20 mm, the second region 12 is within an area of 120 mm, preferably within 100 mm, more preferably within 70 mm from the edge of the glass plate. At least provided.
- FIG. 4 is a plan view of a second modification of the configuration of the second region 12 and shows an example in which the second region 12 is provided in the peripheral region A and the central region B.
- the second region 12 may be formed in the central region B only on the upper side of the laminated glass 24. In this way, even if the second region 12 does not occupy the entire area of the peripheral region A, it is only necessary that only a part of the second region 12 protrudes into the central region B.
- the ratio of the area of the second region 12 in the central region B to the area of the central region B is 0% or more and 83% or less, preferably 50% or less, more preferably 31% or less. It is.
- region 12 is provided at least in the area
- FIG. 5 is a plan view of a third modification of the configuration of the second region 12, and shows an example in which the second region 12 is provided along one side of the laminated glass 24.
- the second region 12 exists only on the upper side of the laminated glass 24.
- the laminated glass 24 is a lifting window that moves up and down in the vertical direction
- the upper side of the laminated glass 24 is a side that is not supported by the vehicle body when the laminated glass 24 is raised or lowered.
- Such a side has an external force applied to the laminated glass 24, particularly when a force acting on the window glass is applied from the inside of the vehicle toward the outside of the vehicle when the window is run at a high speed in a half-open state. This is a place where high shear stress is likely to occur. Therefore, the rigidity of the laminated glass 24 can be efficiently increased by forming the second region 12 along such a side.
- the second region 12 is formed in a frame shape so as to surround the entire periphery of the laminated glass 24. And it becomes easy to manufacture the intermediate film 13 for laminated glass.
- the second region 12 may be provided only in a part along the upper side of the laminated glass 24.
- FIG. 6 is a plan view of a fourth modification of the configuration of the second region 12, and shows an example in which the second region 12 is provided on a part of one side of the laminated glass 24.
- the second region 12 is provided at two locations on both ends of the upper side of the laminated glass 24. Both ends of the upper side of the laminated glass 24 are places where the highest shearing stress is generated in the interlayer film 13 for laminated glass when the laminated glass 24 is moved up and down and the window is opened in a half-open state.
- the rigidity of the laminated glass 24 can be increased more efficiently.
- the second region 12 is formed at both ends or one end of one side of the laminated glass 24.
- the end refers to the vicinity of an intersection where one side of the laminated glass 24 and another side intersect, for example, a region having a radius of 50 mm from the intersection.
- the second region 12 is provided along the upper side of the laminated glass 24.
- the arrangement of the second region 12 is not limited to the arrangement of these modified examples.
- the second region 12 may be provided along any side of the laminated glass 24, or may be provided along two or more sides.
- the second regions 12 may be provided along two opposite sides as shown in FIG.
- FIG. 7 is a plan view of a fifth modification of the configuration of the second region 12, and shows an example in which the second region 12 is provided along two sides of the laminated glass 24.
- “along the side” does not necessarily need to be in contact with the side of the laminated glass 24, and may be provided at a position spaced from the side by a predetermined distance. Further, as shown in FIG. 7, the second region 12 may not be parallel to the side of the laminated glass 24.
- FIG. 8 is a cross-sectional view showing a CC cross section of one embodiment.
- FIG. 8 shows a CC cross section of the laminated glass plate 24 in FIG.
- the laminated glass 24 has a configuration in which a first glass plate 75 and a second glass plate 76 face each other and are bonded via an interlayer film 13 for laminated glass.
- the interlayer film for laminated glass 13 includes a first member 71 and a second member 72, a first surface 73 in contact with the first glass plate 75, and a second surface 74 in contact with the second glass plate 76.
- the first region 11 and the second region 12 in the plan view are expressed in a range delimited by the two-dot chain line in FIG. 8, and include all different members in the thickness direction. That is, the first region 11 indicates a region on the inner side of the two-dot chain line, and the second region 12 indicates a region on the outer peripheral side of the two-dot chain line.
- the first region 11 includes all different members in the thickness direction, that is, the first and second glass plates 75 and 76 and the first member 71 that are stacked.
- the shear modulus is a physical property value indicating the difficulty of deformation when a shear force is applied to the object.
- the shear modulus of the first member 71 forming the interlayer film for laminated glass 13 is the first and second shear modulus. Compared with the shear elastic modulus of the glass plates 75 and 76, the glass plate 75 and 76 are extremely low.
- the shear elastic modulus of the first region 11 in which the first and second glass plates 75 and 76 and the first member 71 are laminated is the shear elasticity of the first member 71 which is the portion having the lowest shear elastic modulus. It is considered a rate.
- the glass plates 75 and 76 and the second member 72 are laminated.
- the shear elastic modulus of the second member 72 is significantly lower than the shear elastic modulus of the first and second glass plates 75 and 76, the shear elastic modulus of the second region 12 is the shear of the second member 72. It is considered to be elastic modulus.
- the shear elastic modulus of the first region 11 and the second region 12 refers to the shear elastic modulus of all members in the thickness direction excluding the first glass plate 75 and the second glass plate 76.
- the shear elastic modulus of the first region 11 and the second region 12 depends on the first member 71 and the second member 72.
- the second member 72 forms both the first surface 73 and the second surface 74, and continuously forms the first surface 73 to the second surface 74.
- an adhesive hereinafter also referred to as “adhesive layer” 81 is applied to the first surface of the second member 72 as shown in FIG. 73 and the second surface 74, and may be in contact with the first glass plate 75 and the second glass plate 76 through the adhesive layer 81.
- FIG. 9 is a cross-sectional view showing a first modification of the CC cross section, and shows a state of adhesion of the second member 72 to the first and second glass plates 75 and 76 through the adhesive layer 81. In FIG. 9, the thickness of the adhesive layer 81 is shown thick and does not represent an accurate scale.
- the adhesive layer 81 has a shear modulus equal to or higher than that of the second member 72.
- the shear elastic modulus of the adhesive layer 81 is lower than the shear elastic modulus of the second member 72, it is desirable that the thickness of the adhesive layer 81 is sufficiently thin.
- FIG. 10 is a cross-sectional view showing a second modification of the CC cross section, and shows a stacked state of the plurality of second members 72 through the adhesive 81.
- the second region 12 is regarded as a laminated body of the adhesive layer 81 and the second member 72, and shear elasticity in the laminated body.
- the value calculated in accordance with the composite law of the rate is the shear elastic modulus of the second region 12.
- the thickness (> 0) of the first and second glass plates 75 and 76 is preferably 2.5 mm or less, respectively.
- the thickness of the two glass plates 75 and 76 was 2.3 mm, respectively, and the thickness of the interlayer film 13 for laminated glass was 0.76 mm.
- the shear modulus of the first region 11 is equivalent to a sound insulating interlayer.
- FIG. 11 shows the area of the glass plates 75 and 76 with respect to the laminated glass 24 whose rigidity is about 1.1 times that of the laminated glass plate whose total area of the interlayer film 13 for laminated glass is the shear modulus of the first region 11.
- FIG. 4 is a diagram showing a relationship between the area of the second region 12 and a value obtained by dividing the shear elastic modulus with respect to the static force of the second region 12 by the shear elastic modulus with respect to the static force of the first region 11.
- the horizontal axis (x) is a value (unit: multiple) obtained by dividing the shear elastic modulus for the static force in the second region 12 by the shear elastic modulus for the static force in the first region 11, and the vertical axis ( y) shows the area (unit:%) of the 2nd field 12 to the area of glass plates 75 and 76, and each plot and line express the value in which laminated glass 24 shows sufficient rigidity.
- the value indicating sufficient rigidity is, for example, the rigidity of the laminated glass 24 as compared to the case where the total area of the interlayer film 13 for laminated glass is the shear elastic modulus of the first region 11. Is about 1.1 times.
- the area y of the second region 12 relative to the area of the glass plates 75 and 76 is obtained by dividing the shear elastic modulus with respect to the static force of the second region 12 by the shear elastic modulus with respect to the static force of the first region 11.
- x is 2.40 ⁇ x ⁇ 2.72, ( ⁇ 74.87x + 204.47)% or more, and x> 2.72, ( ⁇ 0.0067x + 0.87)% or more. It can be seen that a laminated glass 24 exhibiting sufficient rigidity can be obtained.
- FIG. 12 shows that the laminated glass 24 has a rigidity about 1.3 times that of the laminated glass plate whose total area of the interlayer film 13 for laminated glass is the shear elastic modulus of the first region 11. It is a figure which shows the relationship between the area of the 2nd area
- FIG. 12 is also represented by a vertical axis and a horizontal axis similar to FIG. 11, and each plot and line represents a value at which the laminated glass 24 exhibits further sufficient rigidity.
- the value indicating sufficient rigidity is, for example, that the laminated glass 24 composed of two glass plates 75 and 76 having a thickness of 2.3 mm and a sound insulating interlayer film having a thickness of 0.76 mm has a thickness of 2.5 mm.
- the rigidity of the laminated glass 24 is about 1.3 times that of the case where the laminated glass 24 is made.
- the area Y of the second region 12 relative to the areas of the glass plates 75 and 76 is obtained by dividing the shear elastic modulus with respect to the static force of the second region 12 by the shear elastic modulus with respect to the static force of the first region 11.
- x is 2.14 ⁇ x ⁇ 2.88, ( ⁇ 144.08x + 418.31)% or more, and x> 2.88 ( ⁇ 0.033x + 4.04)% or more. It can also be seen that a laminated glass 24 exhibiting sufficient rigidity can be obtained.
- FIG. 13 is a diagram illustrating the relationship between the sound transmission loss and the area of the second region 12 in the central region B when the loss factors of the first region 11 and the second region 12 are the same.
- the horizontal axis represents the area (unit:%) of the second region 12 with respect to the area of the central region B
- the vertical axis represents the sound transmission loss (unit: dB).
- the sound transmission loss indicates a value at 3150 Hz as a representative value.
- the value of the sound transmission loss in the normal interlayer is 32.8 dB.
- the second region 12 has a shear elastic modulus about 100 times that of the static force and about 2 times to 7 times that of the sound wave of 2 kHz to 8 kHz, compared with the first region 11, and The calculation was performed on the assumption that the loss coefficients of the first region 11 and the second region 12 in the transmission are the same.
- FIG. 13 shows that as the area of the second region 12 increases with respect to the area of the central region B, the sound transmission loss decreases, that is, the sound insulation performance decreases.
- the sound transmission loss at 3150 Hz is 32.8 dB. Therefore, in order for the laminated glass intermediate film 13 to have sound insulation, the area of the second region 12 with respect to the area of the central region B is 83% or less. It is desirable that In addition, if the area of the second region 12 with respect to the area of the central region B is preferably 50% or less, and more preferably 31% or less, higher sound insulation can be obtained.
- FIG. 14 is a diagram showing the relationship between the sound transmission loss and the area of the second region 12 in the central region B when the loss factor of the first region 11 is about 15 times the loss factor of the second region 12. is there.
- FIG. 14 is represented by a vertical axis and a horizontal axis similar to FIG. 13, and the second region 12 is about 100 times the static force as compared to the first region 11, and the sound wave of 2 kHz to 8 kHz. This is a result of calculation assuming that the shear modulus is 2 to 7 times and the loss coefficient of the first region 11 in sound transmission is about 15 times that of the second region 12.
- the area of the second region 12 with respect to the area of the central region B is 31% or less in order for the interlayer film for laminated glass 13 to have sound insulation properties, as shown in FIG. Further, the area of the second region 12 with respect to the area of the central region B is preferably 20% or less, and more preferably 10%, since higher sound insulation can be obtained.
- a laminated substrate for a window that provides sufficient sound insulation and sufficient rigidity
- a laminated substrate for a window with a frame with a frame and a window
- An intermediate layer structure for a laminated substrate for windows suitable for manufacturing an automobile equipped with a laminated substrate and a laminated substrate for windows can be provided.
- the present invention can be used for laminated glass for vehicles and the like, and can also be used for window glass of buildings and the like. .
- FIG. 15 is a perspective view showing an example of an automobile.
- An automobile 500 shown in FIG. 15 has a vehicle body 501.
- the vehicle body 501 is provided with a windshield 502, a side glass 503, a rear glass 504, and a roof glass 505.
- the side glass 503 is an example of a lift window that moves up and down.
- the front glass 502, the side glass 503, the rear glass 504, and the roof glass 505 can be formed of the laminated glass as described above.
- the present invention is the above-mentioned embodiment.
- the present invention is not limited to the examples. Various modifications and improvements such as combinations and substitutions with part or all of other embodiments and examples are possible within the scope of the present invention.
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Abstract
Description
複数枚の基板が中間層構造体を介して積層された窓用積層基板において、
前記窓用積層基板は、平面視で前記窓用積層基板の外周に沿った周縁領域と、前記周縁領域の内側に位置する中央領域とを有し、
前記中間層構造体は、平面視で第1領域と第2領域とを有し、
前記第2領域の静的な力に対するせん断弾性率は、前記第1領域の1.40倍以上であり、
前記第2領域は、
平面視での前記窓用積層基板全体の面積に対する前記第2領域の面積の割合が、前記第2領域の静的な力に対するせん断弾性率を前記第1領域の静的な力に対するせん断弾性率で除した値をxとしたとき、1.40≦x≦2.72で(―74.87x+204.47)%以上、x>2.72で(-0.0067x+0.87)%以上であり、かつ
平面視での前記中央領域の面積に占める前記第2領域の面積の割合は、0%以上83%以下である窓用積層基板が提供される。
複数枚の基板が中間層構造体を介して積層された窓用積層基板において、
前記窓用積層基板は、周縁部を枠体で支持され、
前記窓用積層基板は、平面視で前記枠体と重なる周縁領域と、前記周縁領域以外の中央領域とを有し、
前記中間層構造体は、平面視で第1領域と第2領域とを有し、
前記第2領域の静的な力に対するせん断弾性率は、前記第1領域の1.40倍以上であり、
前記第2領域は、
平面視での前記窓用積層基板全体の面積に対する前記第2領域の面積の割合が、前記第2領域の静的な力に対するせん断弾性率を前記第1領域の静的な力に対するせん断弾性率で除した値をxとしたとき、1.40≦x≦2.72で(―74.87x+204.47)%以上、x>2.72で(-0.0067x+0.87)%以上であり、かつ
平面視での前記中央領域の面積に占める前記第2領域の面積の割合が、0%以上83%以下である枠体付き窓用積層基板が提供される。
積層された複数の基板の間に設けられる中間層構造体であって、
前記中間層構造体は、平面視で中央領域及び周縁領域並びに第1領域及び第2領域とを有し、
前記周縁領域は、前記中間層構造体の外周に沿って設けられ、
前記中央領域は、前記周縁領域の内側に位置し、
前記第2領域は、
平面視での前記中間層構造体の全体の面積に対する前記第2領域の面積の割合が、前記第2領域の静的な力に対するせん断弾性率を前記第1領域の静的な力に対するせん断弾性率で除した値をxとしたとき、1.40≦x≦2.72で(―74.87x+204.47)%以上、x>2.72で(-0.0067x+0.87)%以上であり、
平面視での前記中央領域の面積に占める前記第2領域の面積の割合は、0%以上83%以下である窓用積層基板用中間層構造体が提供される。
車両開口部の窓基板を有し、
前記窓基板は、上記の窓用積層基板により形成されている自動車が提供される。
図1は、本発明の一実施形態における合わせガラス用中間膜の平面図である。本実施形態において、合わせガラス用中間膜13は、平面視において、第1領域11と第2領域12とを有する。
図2は、本発明の一実施形態における合わせガラス用中間膜13を用いた合わせガラス24の平面図である。複数枚のガラス板23が合わせガラス用中間膜13を介して積層され、合わせガラス24を形成する。
図11は、剛性が合わせガラス用中間膜13の全面積が第1領域11のせん断弾性率である合わせガラス板の約1.1倍である合わせガラス24に関して、ガラス板75,76の面積に対する第2領域12の面積と、第2領域12の静的な力に対するせん断弾性率を第1領域11の静的な力に対するせん断弾性率で除した値との関係を示す図である。図11中、横軸(x)は第2領域12の静的な力に対するせん断弾性率を第1領域11の静的な力に対するせん断弾性率で除した値(単位:倍)、縦軸(y)はガラス板75,76の面積に対する第2領域12の面積(単位:%)を示し、各プロット及び線は、合わせガラス24が充分な剛性を示す値を表す。ここで、充分な剛性を示す値とは、例えば、合わせガラス用中間膜13の全面積が、第1領域11のせん断弾性率である合わせガラスを作成した場合に比べて、合わせガラス24の剛性が約1.1倍となる値である。
図13は、第1領域11と第2領域12の損失係数が同一のときの、音響透過損失と中央領域Bに占める第2領域12の面積の関係を示す図である。図13中、横軸は中央領域Bの面積に対する第2領域12の面積(単位:%)、縦軸は音響透過損失(単位:dB)を示す。音響透過損失は、3150Hzのときの値を代表値として示す。また、通常中間膜における音響透過損失の値は、32.8dBである。
12 第2領域
13 合わせガラス用中間膜
23 複数枚のガラス板
24 合わせガラス
71 第1部材
72 第2部材
73 第1の表面
74 第2の表面
75 第1のガラス板
76 第2のガラス板
81 接着層
A 周縁領域
B 中央領域
Claims (19)
- 複数枚の基板が中間層構造体を介して積層された窓用積層基板において、
前記窓用積層基板は、平面視で前記窓用積層基板の外周に沿った周縁領域と、前記周縁領域の内側に位置する中央領域とを有し、
前記中間層構造体は、平面視で第1領域と第2領域とを有し、
前記第2領域の静的な力に対するせん断弾性率は、前記第1領域の1.40倍以上であり、
前記第2領域は、
平面視での前記窓用積層基板全体の面積に対する前記第2領域の面積の割合が、前記第2領域の静的な力に対するせん断弾性率を前記第1領域の静的な力に対するせん断弾性率で除した値をxとしたとき、1.40≦x≦2.72で(―74.87x+204.47)%以上、x>2.72で(-0.0067x+0.87)%以上であり、かつ
平面視での前記中央領域の面積に占める前記第2領域の面積の割合は、0%以上83%以下であることを特徴とする窓用積層基板。 - 前記第2領域の静的な力に対するせん断弾性率は、前記第1領域の2.21倍以上であり、
前記第2領域は、
平面視での前記窓用積層基板全体の面積に対する前記第2領域の面積の割合が、前記第2領域の静的な力に対するせん断弾性率を前記第1領域の静的な力に対するせん断弾性率で除した値をxとしたとき、2.21≦x≦2.88で(―144.08x+418.31)%以上、x>2.88で(-0.033x+4.04)%以上であり、かつ
平面視での前記中央領域の面積に占める前記第2領域の面積の割合は、0%以上83%以下である請求項1に記載の窓用積層基板。 - 平面視での前記中央領域の面積に占める前記第2領域の面積の割合は、0%以上31%以下である請求項1または2に記載の窓用積層基板。
- 前記第1領域は、周波数が2kHz以上8kHz以下で、せん断弾性率が100MPa以下である請求項1から3のいずれか1項に記載の窓用積層基板。
- 前記第2領域は、前記窓用積層基板の少なくとも一辺の一部に沿って設けられる請求項1から4のいずれか1項に記載の窓用積層基板。
- 前記第2領域は、前記窓用積層基板の少なくとも一辺の両端部に設けられる請求項1から5のいずれか1項に記載の窓用積層基板。
- 前記第2領域は、前記窓用積層基板の少なくとも一辺に沿って設けられる請求項1から6のいずれか1項に記載の窓用積層基板。
- 前記第2領域は、前記窓用積層基板の対向する二辺に沿ってそれぞれ設けられる請求項1から7のいずれか1項に記載の窓用積層基板。
- 前記第2領域は、少なくとも前記周縁領域に設けられる請求項1から8のいずれか1項に記載の窓用積層基板。
- 前記第2領域は、前記窓用積層基板の外周端から120mm面内側の位置を線で結んだ領域よりも外周側に少なくとも設けられる請求項1から9のいずれか1項に記載の窓用積層基板。
- 前記周縁領域は、前記窓用積層基板が周縁部を枠体で支持されるときに、平面視で前記枠体と重なる領域である請求項1から10のいずれか1項に記載の窓用積層基板。
- 前記枠体は、自動車の開口部を形成する車両ボディである請求項11に記載の窓用積層基板。
- 前記複数枚の基板はガラス板であり、前記窓用積層基板は合わせガラスである請求項1から12のいずれか1項に記載の窓用積層基板。
- 前記ガラス板の厚みがそれぞれ2.5mm以下である請求項13に記載の窓用積層基板。
- 複数枚の基板が中間層構造体を介して積層された窓用積層基板において、
前記窓用積層基板は、周縁部を枠体で支持され、
前記窓用積層基板は、平面視で前記枠体と重なる周縁領域と、前記周縁領域以外の中央領域とを有し、
前記中間層構造体は、平面視で第1領域と第2領域とを有し、
前記第2領域の静的な力に対するせん断弾性率は、前記第1領域の1.40倍以上であり、
前記第2領域は、
平面視での前記窓用積層基板全体の面積に対する前記第2領域の面積の割合が、前記第2領域の静的な力に対するせん断弾性率を前記第1領域の静的な力に対するせん断弾性率で除した値をxとしたとき、1.40≦x≦2.72で(―74.87x+204.47)%以上、x>2.72で(-0.0067x+0.87)%以上であり、かつ
平面視での前記中央領域の面積に占める前記第2領域の面積の割合が、0%以上83%以下であることを特徴とする枠体付き窓用積層基板。 - 前記窓用積層基板を摺動可能な窓基板としたとき、
前記第2領域は、前記窓用積層基板を摺動させた際に前記枠体に支持されなくなる辺の少なくとも一部に沿って設けられる請求項15に記載の窓用積層基板。 - 積層された複数の基板の間に設けられる中間層構造体であって、
前記中間層構造体は、平面視で中央領域及び周縁領域並びに第1領域及び第2領域とを有し、
前記周縁領域は、前記中間層構造体の外周に沿って設けられ、
前記中央領域は、前記周縁領域の内側に位置し、
前記第2領域は、
平面視での前記中間層構造体の全体の面積に対する前記第2領域の面積の割合が、前記第2領域の静的な力に対するせん断弾性率を前記第1領域の静的な力に対するせん断弾性率で除した値をxとしたとき、1.40≦x≦2.72で(―74.87x+204.47)%以上、x>2.72で(-0.0067x+0.87)%以上であり、
平面視での前記中央領域の面積に占める前記第2領域の面積の割合は、0%以上83%以下であることを特徴とする窓用積層基板用中間層構造体。 - 車両開口部の窓基板を有し、
前記窓基板は、請求項1から14のいずれか1項に記載の窓用積層基板により形成されていることを特徴とする自動車。 - 車両開口部の窓基板を有し、
前記窓基板は、請求項15または16に記載の枠体付き窓用積層基板により形成されていることを特徴とする自動車。
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CN201580012527.9A CN106103377B (zh) | 2014-03-10 | 2015-03-04 | 窗用层叠基板具备窗用层叠基板的汽车以及窗用层叠基板用中间层结构体 |
EP15760713.6A EP3118176A4 (en) | 2014-03-10 | 2015-03-04 | Laminated substrate for windows, framed laminated substrate for windows, vehicle comprising laminated substrate for windows, and intermediate layer structure for laminated substrate for windows |
JP2016507475A JP6531756B2 (ja) | 2014-03-10 | 2015-03-04 | 窓用積層基板、枠体付き窓用積層基板、窓用積層基板を備えた自動車及び窓用積層基板用中間層構造体 |
US15/245,729 US10583634B2 (en) | 2014-03-10 | 2016-08-24 | Laminated substrate for window, laminated substrate for window with frame body, automobile with laminated substrate for window, and intermediate layer structure for laminated substrate for window |
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JP2021525188A (ja) * | 2018-08-29 | 2021-09-24 | サン−ゴバン グラス フランス | 複合ガラスペイン |
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DE112018001866T5 (de) * | 2017-04-04 | 2019-12-12 | AGC Inc. | Vordere Viereckseitenscheibe eines Fahrzeugs |
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JP6531756B2 (ja) | 2019-06-19 |
CN106103377B (zh) | 2018-10-30 |
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US10583634B2 (en) | 2020-03-10 |
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