WO2020230679A1 - Corps structural en verre de véhicule, structure d'adhérence et verre feuilleté - Google Patents

Corps structural en verre de véhicule, structure d'adhérence et verre feuilleté Download PDF

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Publication number
WO2020230679A1
WO2020230679A1 PCT/JP2020/018474 JP2020018474W WO2020230679A1 WO 2020230679 A1 WO2020230679 A1 WO 2020230679A1 JP 2020018474 W JP2020018474 W JP 2020018474W WO 2020230679 A1 WO2020230679 A1 WO 2020230679A1
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WO
WIPO (PCT)
Prior art keywords
foil
connecting member
glass
glass plate
adhesive material
Prior art date
Application number
PCT/JP2020/018474
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English (en)
Japanese (ja)
Inventor
信貴 小嶌
正行 佐瀬
Original Assignee
Ａｇｃ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ａｇｃ株式会社 filed Critical Ａｇｃ株式会社
Priority to CN202080033720.1A priority Critical patent/CN113784935B/zh
Priority to JP2021519387A priority patent/JP7487736B2/ja
Publication of WO2020230679A1 publication Critical patent/WO2020230679A1/fr

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Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J201/00—Adhesives based on unspecified macromolecular compounds

Definitions

  • the present invention relates to a vehicle glass structure, an adhesive structure, and a laminated glass.
  • a vehicle window glass or the like is equipped with an electric device such as an antenna or a defogger.
  • an electric device such as an antenna or a defogger.
  • a foil-shaped (or flat) connecting member arranged on a glass plate for a vehicle is often used to supply power to such an electric device.
  • Patent Document 1 the glass plate 4, the antenna structure 5 installed inside the glass plate 4, and the end face of the glass plate 4 are drawn out, folded back at the end of the glass plate 4, and the glass plate 4 A configuration having a flat conductor 2 arranged on one surface is disclosed (FIG. 1A of Patent Document 1 and the like).
  • Patent Document 1 since the flat conductor 2 is arranged along the outer surface of the glass plate 4 (the outer surface of the first glass plate 4.1), a step is formed in that portion. Therefore, when the glass plate 4 is bonded to the metal frame 8 via the adhesive bonding portion 13 so as to sandwich the flat conductor 2, there is a possibility that sufficiently dense bonding cannot be performed. Further, since the flat conductor 2 is arranged on the inner surface of the first glass plate 4.1, a step is formed in that portion as well. Therefore, even when the first glass plate 4.1 is bonded to the second glass plate 4.2 via the thermoplastic adhesive layer 4.3, a sufficiently dense bond may not be formed.
  • the vehicle glass structure according to one embodiment of the present invention is arranged on a glass plate and a main surface of the glass plate, and is electrically connected to a conductor provided on or near the glass plate.
  • the glass plate or the glass plate or the glass plate or the glass plate or the glass plate is provided with an adhesive material which is arranged so as to overlap at least a part of an edge portion of the foil-like connecting member.
  • a vehicle glass structure adhered to a member to be adhered so as to face at least a part of the main surface of the glass plate, and the edge portion of the connecting member is a recess and / or a recess in a plan view. Or it has a convex part.
  • a glass structure for a vehicle capable of forming a tighter bond when bonded to a member to be bonded via an adhesive material.
  • FIG. 2 is a sectional view taken along line II-II of FIG. 1A.
  • FIG. 3 is a sectional view taken along line III-III of FIG. 1C. It is a figure explaining the function of the foil-like connecting member in embodiment of this invention. It is sectional drawing of the modification of the glass structure by 1st Embodiment of this invention.
  • FIG. 3A is a sectional view taken along line IV-IV of FIG. 3A. It is sectional drawing corresponding to FIG.
  • FIG. 7A is a sectional view taken along line ii-ii of FIG. 7A.
  • 7 is a cross-sectional view taken along the line iii-iii of FIG. 7C.
  • 8A is a cross-sectional view taken along the line iv-iv of FIG. 8A.
  • 9A is a sectional view taken along line vv of FIG. 9A. It is a figure which shows the foil-like connecting member used in an Example. It is a figure explaining the experimental procedure in an Example.
  • FIG. 1A shows a schematic plan view of the glass structure 100 according to the first embodiment of the present invention.
  • FIG. 1A shows an example in which the glass structure 100 is used as a window glass of a vehicle.
  • FIG. 1A is a view of a glass structure 100 attached to a vehicle window frame member 45 (bonded member) to form an adhesive structure for a vehicle, as viewed from the inside of the vehicle.
  • the glass structure 100 is arranged so that its peripheral edge overlaps a part of the window frame member 45.
  • the window frame member 45 may be made of metal, plastic, or the like.
  • FIG. 1B shows an enlarged view of a part of the component I of FIG. 1A, specifically, a diagram showing a state in which the window frame member 45 and the conductor 41 are removed from the configuration shown in FIG. 1A.
  • FIG. 1C shows a sectional view taken along line II-II of FIG. 1A.
  • FIG. 1D shows a sectional view taken along line III-III of FIG. 1C.
  • the glass structure 100 includes a glass plate 11 and a connecting member 20 arranged on at least one surface of the glass plate 11.
  • the glass structure 100 is attached to the adhesive member (window frame member 45 in the illustrated example) via the adhesive 30A which is the adhesive material 30.
  • the glass plate 11 in this embodiment is glass for windows in a vehicle, and may be, for example, a windshield, a rear glass, a side glass, a roof glass, or the like. Further, the glass constituting the glass plate 11 may be inorganic glass or organic glass. The inorganic glass may be soda lime silicate glass, aluminosilicate glass, borate glass, lithium aluminosilicate glass, borosilicate glass or the like. The method for forming the glass plate is not particularly limited, but for example, a glass plate formed by a float method or the like is preferable. Further, the glass plate 11 may be unreinforced and may be air-cooled or chemically strengthened. Untempered glass is made by molding molten glass into a plate shape and slowly cooling it.
  • Tempered glass is formed by forming a compressive stress layer on the surface of untempered glass.
  • the tempered glass is wind-cooled tempered glass, the uniformly heated glass plate is rapidly cooled from a temperature near the softening point, and a compressive stress is generated on the glass surface due to the temperature difference between the glass surface and the inside of the glass.
  • the surface may be strengthened.
  • the tempered glass is chemically tempered glass, the glass surface may be strengthened by generating compressive stress on the glass surface by an ion exchange method or the like.
  • the glass plate 11 glass that absorbs ultraviolet rays or infrared rays may be used, and it is preferable that the glass plate 11 is transparent, but the glass may be colored to such an extent that the transparency is not impaired. Further, the glass plate 11 may be organic glass. Examples of the organic glass include transparent resins such as polycarbonate, acrylic resin (for example, polymethylmethacrylate), polyvinyl chloride, and polystyrene.
  • the shape of the glass plate 11 is not limited to a substantially rectangular shape as shown in the figure, and may be various shapes. Further, the glass plate 11 may be processed into a predetermined curvature and may be curved. In that case, the radius of curvature of the glass plate 11 may be 500 to 50,000 mm. Further, the glass plate 11 may have a single bending shape that is bent only in the horizontal direction or the vertical direction when attached to a vehicle, or a compound bending shape that is bent in the horizontal direction and the vertical direction. It may be in shape. In order to process the glass plate 11 to a predetermined curvature, bending molding such as gravity molding or press molding may be performed. The thickness of the glass plate 11 may be 0.3 to 5 mm. More preferably, it is 0.5 mm to 2.4 mm.
  • the connecting member 20 used in this embodiment has a foil shape, that is, a shape having a thickness smaller than the width.
  • a foil-shaped connecting member 20 may be a flat harness having a structure formed by insulatingly coating the periphery of one conducting wire (conductor path) or a plurality of conducting wires arranged side by side at intervals.
  • the foil-shaped connecting member 20 may be a ribbon-shaped or band-shaped member having a substantially constant width (excluding the width of a portion where a convex portion and a concave portion described later are formed) as a whole, and for example, a flexible printed circuit board (Flexible). It can be composed of a printed circuit board (FPC), a flexible flat cable (Flexible Flat Cable (FFC)), and the like.
  • FPC printed circuit board
  • FFC Flexible Flat Cable
  • the foil-like connecting member 20 is electrically connected to a conductor 41 forming a part of an electric device at one end (FIGS. 1A and 1C), and is directly or indirectly connected to a power source or the like at the other end. You may be.
  • the conductor 41 may form a part of an electric device such as an antenna, a defogger, a deaisa, a lighting device, or a wiring member for the electric device 41.
  • the conductor 41 is shown as a conductor included in the high mount strap lamp provided at the rear of the vehicle.
  • the conductor 41 may be provided in contact with either one surface or both surfaces of the glass plate 11 or the end surface thereof, or may be provided in contact with the glass plate 11 in FIGS. 1A and 1C. As shown, it may be provided in the vicinity of the glass plate 11.
  • the foil-like connecting member 20 is coated with a resin which is a dielectric (insulator) except for both ends, that is, except for one end connected to a conductor and the other end connected to a power source or the like. Good.
  • the foil-like connecting member 20 may include a resin coating.
  • the coating resin in the foil-like connecting member 20 may be a thermosetting resin or a thermoplastic resin.
  • the coating resin is not particularly limited as long as it is a material having insulating properties, flexibility, and heat resistance, but polyester resins such as polyethylene terephthalate, polyethylene naphthalate, and polybutylene terephthalate, nylon 6, nylon 66, nylon 610, and the like are used.
  • Polyamide-based resin polyimide, polyamideimide, polyimide-based resin such as polyetherimide, fluorine-based resin, polyether sulfone, polyether ketone, polyether sulfide, polyarylate, polyester ether, all-aromatic polyamide, polyaramid, polypropylene, polycarbonate And so on.
  • a polyimide resin such as polyimide can be preferably used.
  • the foil-shaped connecting member 20 can be formed by sandwiching one lead wire or a plurality of juxtaposed lead wires between foil-shaped resin sheets and adhering or thermocompression bonding the sheets to each other. Further, the foil-shaped connecting member 20 may be molded into a foil shape by injection molding, extrusion molding or the like so as to embed a lead wire.
  • the foil-shaped connecting member 20 obtained in this manner may have an elongated cross-sectional shape in the width direction regardless of the shape of the conducting wire.
  • the shape and size of the cross section of the foil-shaped connecting member 20 cut in the width direction may be substantially uniform along the longitudinal direction.
  • the foil-shaped connecting member 20 is arranged along one main surface of the glass plate 11 (in the illustrated example, the inner surface of the vehicle) in contact with the main surface. There is.
  • the glass plate 11 and the foil-like connecting member 20 may be adhered to each other with an adhesive, an adhesive tape, or the like, or may be laminated by simply contacting each other without being adhered.
  • Adhesive 30A adheresive material 30
  • the adhesive 30A is continuous at least so as to straddle the foil-shaped connecting member 20 in the width direction, that is, continuous in the width direction of the foil-shaped connecting member 20, and both edges of the foil-shaped connecting member 20. Can be placed in a range that covers (Fig. 1B). After that, the glass structure 100 is superposed on the window frame member 45 (FIGS.
  • the adhesive 30A comes into contact with the window frame member 45, and the two are pressed against each other as necessary to form the glass structure. 100 can be adhered to the window frame member 45.
  • the adhesive 30A contacts the glass plate 11 and the foil-like connecting member 20 on one side (outside the vehicle), and contacts the window frame member 45 on the other side (inside the vehicle) (FIGS. 1C and FIG. 1D).
  • a primer suitable for the material of each member may be applied.
  • the glass structure 100 and the member to be adhered are adhered to each other via the adhesive 30A, but in order to obtain good adhesiveness, the adhesive 30A is used as the glass structure 100. And it is important to be in close contact with each of the members to be adhered.
  • the portion of the glass structure 100 where the foil-like connecting member is provided is thicker than the portion of the glass plate 11 alone. That is, there is a small difference in thickness between the portion provided with the foil-shaped connecting member and the portion not provided with the foil-like connecting member, and a step is formed. The adhesive is pressed in the thickness direction when it is placed on the foil-like connecting member as described above and / or when the members to be adhered are stacked.
  • the adhesive may not be able to adhere to the foil-like adhesive member at the above-mentioned step and its periphery.
  • the adhesive may not be able to enter the stepped portion.
  • the adhesive material 30 spreads from the edge of the foil-like connecting member to the periphery when pressed in the thickness direction.
  • the adhesive material 30 is separated from the edge portion in the width direction outward from the edge portion, that is, in the plan view. It becomes easier to flow in the direction (Fig. 2 (a)). Therefore, the amount of the adhesive material 30 that can be transferred along the end face of the foil-shaped connecting member 20a or in the thickness direction of the foil-shaped connecting member 20a may be small or almost nonexistent.
  • the foil-shaped connecting member 20 has a concave portion and / or a convex portion at the edge portion.
  • the foil-shaped connecting member 20 may have recesses 21 and 21 at each edge at least at a position where the adhesive material 30 is arranged. That is, the concave portion and / or the convex portion of the edge portion of the foil-like connecting member 20 is formed in a region overlapping with the adhesive material 30.
  • the concave portion and / or the convex portion may be formed only in the region overlapping the adhesive material 30, but may be formed in the region not overlapping the adhesive material 30.
  • the adhesive material 30 By forming the concave portion, the convex portion, or both of the edge portion of the foil-like connecting member 20, the adhesive material 30 easily enters the concave portion or the convex portion.
  • the recess 21 In the cross-sectional view of FIG. 1C, the recess 21 is surrounded by a broken line circle.
  • the adhesive material 30 When the adhesive material 30 is pressed in the thickness direction of the foil-like connecting member, it spreads from the edge to the periphery. For example, the presence of the recess 21 changes the tangential direction (or normal direction) of the contour of the edge. If this is the case, a portion where the adhesive material 30 flows from a plurality of directions and gathers is formed (FIG. 2B). In the example of FIG. 2B, the adhesive material 30 tends to collect at the bottom point of the recess.
  • the adhesive material 30 is less likely to escape outward in the width direction at the bottom point of the recess and its vicinity, and is more likely to come into contact with the end face of the foil-like connecting member 20 (FIG. 1D). Therefore, the adhesiveness between the adhesive material 30 and the foil-like connecting member 20 is enhanced at the bottom point of the recess 21, particularly the recess 21, so that the airtightness, watertightness, etc. of the structure including the glass structure 100 can be improved. Can be improved.
  • the width (length in the direction orthogonal to the longitudinal direction) of the foil-shaped connecting member 20 used in the present embodiment may be 1 to 200 mm.
  • the thickness of the foil-shaped connecting member 20 may be 0.05 to 2 mm.
  • the thickness of the foil-shaped connecting member 20 may be 0.05 to 0.5 mm or 0.5 to 2 mm depending on the use of the glass structure, but such a relatively thick foil-shaped connecting member
  • the adhesive material 30 can adhere well to the foil-like connecting member, and a close bond between the glass structure and the member to be adhered can be formed.
  • the cross-sectional area of the foil-shaped connecting member 20 (the area of the cross-section cut in the width direction of the foil-shaped connecting member 20 (shown in FIG. 1D)) may be 0.05 to 100 mm 2 .
  • the cross-sectional shape of the foil-shaped connecting member 20 (the shape of the cross section cut in the width direction of the foil-shaped connecting member 20) is elongated in the width direction as described above, and is, for example, foil-shaped as shown in FIG. 1D. It may be a rectangle having a long side in the width direction of the connecting member 20. Further, the thickness of the foil-shaped connecting member 20 does not have to be constant over the width direction, and may have a cross-sectional shape having a different thickness depending on the location. Examples of the cross-sectional shape of the foil-shaped connecting member 20 other than the rectangle include an ellipse, a parallelogram, and a trapezoid.
  • the thickness of the foil-shaped connecting member 20 may be the maximum thickness.
  • the foil-shaped connecting member 20 is provided near the upper left end in the drawing, but the place where the foil-shaped connecting member 20 is provided is the type of electrical equipment to be equipped and the glass structure 100. It is appropriately determined according to the form of adhesion between the and the member to be adhered, and may be anywhere on the glass plate 11. Further, the foil-shaped connecting members 20 may be provided on the glass plate 110 in a plurality of layers or in parallel.
  • the adhesive 30A used in this embodiment adheres the glass plate 11 to the bonded member (window frame member 45) in the presence or absence of a primer, and the foil-like connecting member 20 and the bonded member. It is preferable that the adhesive is capable of forming an adhesive with the (window frame member 45).
  • the adhesive 30A include urethane adhesives, silicone adhesives and the like. Specific examples of the urethane adhesive include WS-202, WS-252 (manufactured by Yokohama Rubber Co., Ltd.), # 560, # 3700 (manufactured by Sunstar Co., Ltd.), # 58702 (manufactured by Dow Inc.), and the like.
  • an adhesive (adhesive material) showing high viscosity, more specifically, showing high viscosity at the coating stage is increasingly used.
  • a highly viscous adhesive it is difficult for the adhesive to adhere to the end face of the foil-shaped connecting member, particularly the foil-shaped connecting member, and there is a high possibility that a gap is formed between the adhesive and the foil-shaped connecting member. ..
  • the adhesive can sufficiently adhere to the foil-like connecting member, and the airtightness and watertightness of the glass structure 100 can be improved.
  • the viscosity of the adhesive 30A is 30 to 100 Pa ⁇ s (Japanese Automotive Standards Organization (JASO) M338 (JP) shear rate 430 / sec measured in accordance with the adhesive for automobile window glass. It may be the apparent viscosity of time).
  • FIG. 3A shows a modified example of the glass structure 100 according to the first embodiment of the present invention.
  • FIG. 3A is a diagram corresponding to FIG. 1A.
  • FIG. 3B shows a sectional view taken along line IV-IV of FIG. 3A.
  • the glass structure 100 includes a glass plate 11 and a foil-like connecting member 20 arranged on one surface of the glass plate 11, but the glass plate 11 forms a part of the laminated glass 10. It differs from the example shown in FIG. 1A in that it is configured.
  • FIGS. 3C to 3E show a further modification example in a cross-sectional view corresponding to FIG. 3B.
  • the laminated glass 10 has a glass plate 11 (first glass plate 11) inside the vehicle and a second glass plate 12 outside the vehicle separate from the first glass plate 11. , Both glass plates 11 and 12 may be joined via an interlayer film 15.
  • the intermediate film 15 may be a film containing ethylene vinyl acetal, polyvinyl butyral, or the like as a main component.
  • the conductor 41 is arranged in the laminated glass 10, and the foil-shaped connecting member 20 is arranged so that one end thereof contacts the conductor 41. More specifically, the foil-like connecting member 20 is arranged between the first glass plate 11 of the laminated glass 10 and the interlayer film 15. Then, the foil-shaped connecting member 20 is drawn out from the end surface of the laminated glass 10, folded back at the edge of the laminated glass 10, and arranged so as to be in contact with the main surface along the main surface of the first glass plate 11. ..
  • the arrangement of the connecting member 20 in the glass structure 100 is not limited to the illustrated example.
  • the foil-shaped connecting member 20 may be drawn out from a notch formed in the first glass plate 11, bent, and arranged on the main surface of the first glass plate 11 (one surface of the laminated glass 10). ..
  • the conductor 41 is arranged in the laminated glass 10 so as not to be in contact with either the first glass plate 11 or the second glass plate 12, that is, is arranged inside the interlayer film 15. You may be. Further, as shown in FIG. 3C, the conductor 41 may be arranged on the surface of the first glass plate 11 of the laminated glass 10 facing the second glass plate 12.
  • the foil-shaped connecting member 20 may be arranged between the second glass plate 12 and the interlayer film 15 on the outer side of the vehicle.
  • the conductor 41 is arranged in the laminated glass 10 so as not to be in contact with either the first glass plate 11 or the second glass plate 12, that is, is arranged inside the interlayer film 15. Has been done.
  • the conductor 41 may be arranged on the surface of the second glass plate 12 facing the first glass plate 11.
  • the total thickness of the laminated glass 10 may be 2.8 to 10 mm. Further, the thickness of one glass plate may be 0.3 to 5 mm. The thickness of the first glass plate 11 on the inside of the vehicle and the thickness of the second glass plate 12 on the outside of the vehicle may be the same or different.
  • the laminated glass 10 may have a wedge shape with a cross section that becomes thicker from the lower side to the upper side when attached to the vehicle. Further, the laminated glass 10 may be composed of three or more glass plates.
  • a waterproof tape may be provided between the foil-shaped connecting member 20 and the first glass plate 11 so as to cover at least the foil-shaped connecting member 20 in a plan view.
  • the shape of the foil-shaped connecting member 20 will be described in more detail with reference to FIGS. 4 to 6.
  • the edge portion of the foil-shaped connecting member 20 according to the present embodiment has a concave portion and / or a convex portion in a plan view.
  • FIG. 4 shows an example in which the edge portion of the foil-shaped connecting member 20 has a recess 21.
  • FIG. 4A corresponds to the foil-like connecting member 20 in the glass structure 100 shown in FIG. 1B. That is, FIG. 4A shows a foil-like connecting member 20 in which recesses 21 and 21 are formed on both edges, respectively.
  • the recess 21 does not have to be formed at each edge as shown in the figure, and may be formed only at one edge. However, in order to improve the adhesion to the adhesive material at both edges, it is preferable that one or more are formed at each of the edges.
  • the recess 21 can be formed by cutting out the edge of the foil-like connecting member 20. In that case, it is preferable that the notched portion does not include a lead wire. That is, it is preferable that the recess 21 is formed in the resin coating of the foil-like connecting member 20.
  • the foil-shaped connecting member 20 is molded by injection molding or the like, molding may be performed using a mold having a concave portion 21 at the time of molding.
  • the shape of the concave portion 21 in a plan view is a substantially equilateral triangle.
  • the shape of the recess 21 is not necessarily limited to the shape shown in the figure, and may be a shape other than an equilateral triangle, for example, an isosceles triangle that is not an equilateral triangle, or a triangle having two sides facing inward in the width direction and having different lengths.
  • the plan view shape of the recess 21 may be a shape other than a triangle, for example, a partial circle as shown in FIG. 4B, for example, a semicircle. It may also be partially elliptical, for example semi-elliptical.
  • the plan view shape of the recess 21 in the foil-shaped connecting member 20 may be a quadrangle as shown in FIGS. 4 (c) to 4 (e).
  • the plan view shape of the recess 21 shown in FIG. 4C is a square.
  • the shape of the recess 21 may be rectangular, in which case the long side of the rectangle may extend along the longitudinal direction of the foil-like connecting member 20 or may extend along the width direction. Good.
  • the shape of the recess 21 may be a parallelogram or a trapezoid as shown in FIGS. 4D and 4E.
  • the recess 21 has a trapezoidal shape in which the long side faces outward in the width direction in the example shown in FIG. 4D, and a trapezoid in which the long side faces inward in the width direction in the example shown in FIG. 4E.
  • the plan view shape of the recess 21 may be a polygon other than a quadrangle.
  • the breadth of the recess 21, i.e., the longitudinal length d r of the recess 21 at the edge of the foil-like connecting member 20, preferable to be 0.1 ⁇ 20 mm, When it is 0.5 ⁇ 5 mm and more preferable.
  • the width d r of the recess 21 in the above range while the adhesive material can be easily formed flows from around the plurality of directions, the adhesive material can easily enter the recess 21, the strength of the foil-like connecting member 20 And it is possible to prevent deterioration of the electrical connection function.
  • the ratio of the value of the depth w r of the recess 21 to an area d r of the recess 21 is preferable to be 0.1 to 10, more preferably a 0.5-5 ..
  • FIG. 5 shows an example in which the edge portion of the foil-shaped connecting member 20 has a convex portion 22.
  • FIG. 5A shows a foil-shaped connecting member 20 having convex portions 22 and 22 formed on both edge portions, respectively.
  • the convex portion 22 does not have to be formed on each edge portion as shown in the drawing, and may be formed only on one edge portion. However, in order to improve the adhesion to the adhesive material at both edges, it is preferable that one or more are formed at each of the edges.
  • the convex portion 22 is preferably formed on the resin coating of the foil-like connecting member 20.
  • the convex portion 22 can be formed, for example, by connecting a resin molded portion having the same or substantially the same thickness as the foil-shaped connecting member 20 to the edge portion of the foil-shaped connecting member 20.
  • molding may be performed using a mold having a convex portion 22 at the time of molding.
  • the resin coating may be formed wide and the edge portion may be cut so that the convex portion 22 is cut out.
  • the shape of the convex portion 22 in a plan view is It is almost a triangle.
  • the shape of the convex portion 22 is not necessarily limited to the shape shown in the figure, and may be a shape other than an equilateral triangle, for example, an isosceles triangle that is not an equilateral triangle, or a triangle having two sides facing inward in the width direction and having different lengths.
  • the plan view shape of the convex portion 22 may be a shape other than a triangle, for example, a partially circular shape as shown in FIG. 5B, for example, a semicircle. It may also be partially elliptical, for example semi-elliptical.
  • the plan view shape of the convex portion 22 of the foil-shaped connecting member 20 may be a quadrangle as shown in FIGS. 5 (c) to 5 (e).
  • the plan view shape of the convex portion 22 shown in FIG. 5C is a square.
  • the shape of the convex portion 22 may be rectangular, in which case the long side of the rectangle may extend along the longitudinal direction of the foil-like connecting member 20 or extend along the width direction. May be good.
  • the shape of the convex portion 22 may be a parallelogram or a trapezoid as shown in FIGS. 5 (d) and 5 (e). In the example shown in FIG.
  • the convex portion 22 is a trapezoid whose long side faces outward in the width direction, and in the example shown in FIG. 5E, it has a trapezoid whose long side faces inward in the width direction.
  • the plan view shape of the convex portion 22 may be a polygon other than a quadrangle.
  • the height w p of the protrusion 22 in the above range, while it tends to form a flow adhesive material is gathered from a plurality of directions, by reducing the amount of resin used in the foil-like connecting member 20, the cost It can prevent the rise.
  • the size d p of the protrusion 22 in the above range, while it tends to form a flow adhesive material is gathered from a plurality of directions, by reducing the amount of resin used in the foil-like connecting member 20, the cost It can prevent the rise.
  • the value (w p / d p ) of the ratio of the height w p of the convex portion 22 to the width d p of the convex portion 22 is preferably 0.1 to 10, preferably 0.5 to 5. More preferred.
  • the plan view shape of the concave portion 21 in FIG. 4 and the plan view shape of the convex portion 22 in FIG. 5 are not particularly limited.
  • the shape of the concave portion 21 or the convex portion 22 in a plan view is a corner portion. It is preferable to have an angular portion or a sharp portion.
  • the edge portion has the recess 21
  • the shape of the recess 21 has a bottom point and the bottom point is angular (FIG. 4A).
  • the shape of the convex portion 22 has an elongated point and the apex thereof is angular (FIG. 5A).
  • the angle formed by the two sides forming the angle is preferably 5 to 175 °, more preferably 30 to 90 °.
  • FIG. 6 shows another example of the foil-shaped connecting member 20.
  • 4 and 5 show an example in which one concave portion 21 or a convex portion 22 is formed on one edge portion of the foil-shaped connecting member 20, but in the example of FIG. 6, a plurality of concave portions 21 or convex portions 22 are formed on one edge portion.
  • a concave portion 21 or a plurality of convex portions 22 are formed.
  • two recesses 21 are formed on both edges of the foil-shaped connecting member 20.
  • two convex portions 22 are formed on both edge portions of the foil-shaped connecting member 20. In this way, by forming two or more concave portions 21 or convex portions 22 on one edge of the foil-like connecting member 20, there are two places where the adhesive material gathers from a plurality of directions on one edge. Since the above is formed, the adhesive material can be brought into close contact with the end face of the foil-like connecting member 20, and the airtightness and watertightness of the glass structure 100 are enhanced.
  • a concave portion 21 and a convex portion 22 can be formed on one edge portion.
  • the triangular concave portion 21 and the triangular convex portion 22 can be formed alternately and continuously.
  • the distance w between the position where the contour in the plan view is most protruding outward in the width direction and the position where it is most recessed is 0.1 to 10 mm. It is preferable, and it is more preferable that it is 0.5 to 3 mm.
  • the concave portion 21 and the convex portion 22 are alternately formed, a shape in which the concave portion 21 and the convex portion 22 have no corners can be mentioned (FIG. 6 (e)).
  • the contour of the edge portion of the foil-shaped connecting member 20 has a corrugated shape along the longitudinal direction.
  • the contours of the edges have the same waveform, but the phases are different, so that the width of the foil-shaped connecting member 20 is constant.
  • concave portions 21 and / or convex portions 22 are formed on the edges of the foil-shaped connecting member 20.
  • the contour of the edge of the foil-like connecting member 20 in a plan view includes a portion where the tangential direction or the normal direction (the inclination of the tangent or the normal) changes.
  • the change in the tangential direction or the normal direction may be discontinuous as shown in FIG. 6 (c), or may be continuous as shown in FIG. 6 (d).
  • the shape of the foil-shaped connecting member 20 is not limited to the above, and for example, one edge portion has one or more concave portions 21 and the other edge portion has one or more convex portions 22. You may. In that case, the shape and / or size of the concave portion 21 and the shape and / or size of the convex portion 22 may be the same or different. Further, in one foil-like connecting member, the shape of the concave portion 21 formed on one edge portion and the shape of the other edge portion convex portion 22 can be made to correspond to each other.
  • foil-like connecting members juxtaposed in the width direction and bonded to each other with a resin are formed by extrusion molding or the like and the bonded resin portion is cut in the longitudinal direction, one of them is formed by a cutting line.
  • a concave portion can be formed on the edge portion of the foil-shaped connecting member, and a convex portion can be formed on the edge portion of the other foil-shaped connecting member.
  • FIG. 7A shows a schematic plan view of the glass structure 200 according to the second embodiment of the present invention.
  • the glass structure 200 shown in FIG. 7A is used as a window glass for a vehicle.
  • FIG. 7B shows an enlarged view of part i in FIG. 7A.
  • FIG. 7C shows a cross-sectional view taken along the line ii-ii of FIG. 7A.
  • FIG. 7D shows a cross-sectional view taken along the line iii-ii of FIG. 7C.
  • the glass structure 200 is a connecting member arranged on one surface of a glass plate (first glass plate) 11 and a glass plate (first glass plate) 11. It has 20 and.
  • the glass structure 200 is attached to the adhered member, but in the second embodiment, the adhered member to which the glass structure 200 is attached is another glass plate (second glass plate) 12, which is a glass structure.
  • the body 200 is attached to the member to be adhered (second glass plate 12) via the thermoplastic resin 30B which is the adhesive material 30 (FIGS. 7C and 7D).
  • the thermoplastic resin 30B may be an interlayer film for forming a laminated glass.
  • thermoplastic resin 30B is not particularly limited as long as it can be used as an interlayer film for forming a laminated glass.
  • thermoplastic resin 30B include plasticized polyvinyl acetal resin, plasticized polyvinyl chloride resin, saturated polyester resin, plasticized saturated polyester resin, polyurethane resin, plasticized polyurethane resin, and ethylene-vinyl acetate.
  • examples thereof include a polymerization system resin, an ethylene-ethyl acrylate copolymer resin, a cycloolefin polymer resin, and an ionomer resin.
  • the resin composition containing the modified block copolymer hydride described in Japanese Patent No. 6065221 can also be preferably used.
  • thermoplastic resins plasticization is excellent because it has an excellent balance of various performances such as transparency, weather resistance, strength, adhesive strength, penetration resistance, impact energy absorption, moisture resistance, heat insulation, and sound insulation.
  • a polyvinyl acetal-based resin is preferably used. These thermoplastic resins may be used alone or in combination of two or more. "Plasticization" in the plasticized polyvinyl acetal-based resin means that it is plasticized by adding a plasticizer. The same applies to other plasticized resins.
  • thermoplastic resin 30B does not contain a plasticizer.
  • the resin containing no plasticizer include an ethylene-vinyl acetate copolymer resin.
  • polyvinyl acetal resin examples include polyvinyl formal resin obtained by reacting polyvinyl alcohol (PVA) with formaldehyde, polyvinyl acetal resin obtained by reacting PVA with acetaldehyde, and PVA and n-butylaldehyde.
  • Polyvinyl butyral resin (PVB) obtained by reacting with, and in particular, transparency, weather resistance, strength, adhesive strength, penetration resistance, impact energy absorption, moisture resistance, heat insulation, sound insulation, etc. PVB is mentioned as a suitable one because it has an excellent balance of various performances.
  • PVB polyvinyl acetal-based resins may be used alone or in combination of two or more.
  • the thermoplastic resin 30B may contain functional particles such as an infrared absorber, an ultraviolet absorber, and a light emitting agent, or may have a colored portion called a shade band.
  • first glass plate 11 and the second glass plate 12 in the second embodiment those described with reference to FIGS. 3A and 3B in the first embodiment can be used, respectively.
  • the configuration of the foil-shaped connecting member 20 may also be the one described in the first embodiment.
  • the electric device and the conductor 41 to which the foil-shaped connecting member 20 in the second embodiment is connected may also be described in the first embodiment with reference to FIGS. 3A and 3B in particular. That is, the conductor 41 may be provided so as to be arranged inside the obtained laminated glass 10.
  • thermoplastic resin 30B which is an interlayer film for forming a laminated glass, is interposed between the first glass plate 11 and the second glass plate 12 as an adhesive material 30, and the first glass plate 11 and the second glass plate 11 and the second glass plate 12 are interleaved. It is joined to the glass plate 12. More specifically, first, the above-mentioned above-mentioned side of the glass structure 200 provided with the first glass plate 11 in which the foil-shaped connecting member 20 is arranged on one surface, on the side where the foil-shaped connecting member 20 is provided.
  • thermoplastic resin 30B A layer of the thermoplastic resin 30B is arranged, and the second glass plate 12 is laminated so as to sandwich the thermoplastic resin 30B.
  • the layer of the thermoplastic resin 30B is configured as a fluid material and can be arranged by applying it to the glass structure 200, or it is arranged by forming it into a film or sheet in advance and laminating it. You can also do it.
  • the laminate obtained by laminating the first glass plate 11 provided with the foil-like connecting member 20, the layer of the thermoplastic resin 30B, and the second glass plate 12 in this order is, for example, a rubber bag. While keeping the temperature at about 70 to 110 ° C. with a negative pressure of about -100 to -65 kPa and degassing the glass structure 200 and the member to be adhered (second glass plate 12 in this embodiment). Adhere. Then, if necessary, it can be pressure-bonded by heating and pressurizing under the conditions of, for example, 100 to 150 ° C. and a pressure of 0.6 to 1.3 MPa.
  • thermoplastic resin 30B adheresive material 30
  • the thermoplastic resin 30B is softened, and on one side, it comes into contact with the first glass plate 11 and the foil-like connecting member 20, and on the other side, it touches the second glass plate 12.
  • the glass structure 200 and the member to be adhered are adhered to each other via the thermoplastic resin 30B to form the laminated glass 10, but in order to obtain good adhesion between the layers. It is important that the thermoplastic resin 30B is in close contact with each of the glass structure 200 and the member to be adhered.
  • the portion provided with the foil-like connecting member is thicker than the portion provided with only the first glass plate 11. That is, there is a small difference in thickness between the portion where the foil-shaped connecting member is provided and the portion where the foil-like connecting member is not provided, and a step is formed.
  • the layer of the thermoplastic resin 30B is softened and pressed in the thickness direction during adhesion while degassing as described above and / or during subsequent heating and pressurization.
  • the thermoplastic resin may not be able to adhere to the foil-like adhesive member in and around the above-mentioned step.
  • the softening point of the thermoplastic resin is high, or when the heating and pressurizing conditions are weak (that is, the conditions are relatively low temperature and / or relatively low pressure), the thermoplastic resin is a stepped portion. May not be able to adhere to.
  • the adhesive material 30 extends from the edge of the foil-like connecting member toward the periphery when pressed in the thickness direction.
  • the adhesive material 30 is directed outward from the edge portion in the width direction, that is, It becomes easy to extend in the direction away from the edge in a plan view. Therefore, the amount of the adhesive material 30 extruded along the end face of the foil-shaped connecting member 20a or in the thickness direction of the foil-shaped connecting member 20a is small or almost nonexistent.
  • the foil-shaped connecting member 20 has a concave portion and / or a convex portion at the edge portion.
  • the foil-like connecting member 20 may have recesses 21 and 21 at each edge at least at a position where the adhesive material is arranged.
  • the adhesive material 30 When the adhesive material 30 is pressed in the thickness direction of the foil-like connecting member, it extends from the edge to the periphery. For example, the presence of the recess 21 changes the tangential direction (or normal direction) of the contour of the edge. If so, a portion where the adhesive material 30 is pushed from a plurality of directions and gathers is formed (FIG. 2 (b)). In the example of FIG. 2B, the adhesive material 30 tends to collect at the bottom point of the recess.
  • the adhesive material 30 is less likely to escape outward in the width direction at the bottom point of the recess and its vicinity, and is more likely to come into contact with the end face of the foil-like connecting member 20 (FIG. 1D). Therefore, the adhesiveness between the adhesive material 30 and the foil-like connecting member 20 is enhanced at the bottom point of the recess 21, particularly the recess 21, so that the airtightness, watertightness, etc. of the laminated glass including the glass structure 200 can be improved. Can be improved.
  • a glass structure including a glass plate and a foil-shaped connecting member arranged on one surface of the glass plate is bonded to another glass plate via a thermoplastic resin so as to sandwich the foil-shaped connecting member.
  • an elastic resin waterproof tape may be arranged between the glass plate constituting the glass structure and the foil-like connecting member.
  • the thermoplastic resin (adhesive material) for laminated glass can be used as the foil-like connecting member. Since it can adhere well to the edge portion, the additional waterproof tape as described above becomes unnecessary, and the number of members for manufacturing the glass structure for a vehicle can be reduced.
  • FIGS. 8A and 8B show a modification of the glass structure 200 according to the second embodiment.
  • 8A is a cross-sectional view corresponding to FIG. 7C
  • FIG. 8B is a cross-sectional view taken along the line iv-iv of FIG. 8A.
  • the examples shown in FIGS. 8A and 8B have the same basic structure as the examples described with reference to FIGS. 7A to 7D, but the layer of the thermoplastic resin 30B (adhesive material 30) is the layer 30Ba and the layer. It differs from the example described with reference to FIGS. 7A to 7D in that it is composed of two layers of 30Bb.
  • the conductor 41 is arranged between the layer 30Ba and the layer 30Bb, and the foil-like connecting member 20 connected to the conductor 41 is also arranged between the layer 30Ba and the layer 30Bb. There is.
  • the layer of the thermoplastic resin is formed in the step of forming the laminated glass.
  • 30Ba and 30Bb are easily extruded in the concave portion 21 and / or the convex portion 22. Therefore, in the concave portion 21 and / or the convex portion 22 at the edge portion of the foil-shaped connecting member 20, the layers 30Ba and 30Bb of the thermoplastic resin are easily pushed into the end face of the foil-shaped connecting member 20, and the thermoplastic resin and the foil Adhesion with the shape connecting member 20 is enhanced.
  • the conductor 41 is arranged in the laminated glass 10 so as not to come into contact with either the first glass plate 11 or the second glass plate 12. That is, it may be arranged inside the thermoplastic resin 30B (adhesive material 30). However, the conductor 41 may be arranged on the surface of the first glass plate 11 of the laminated glass 10 facing the second glass plate 12 (FIGS. 9A and 9B), or the first glass plate 12 of the second glass plate 12. It may be arranged on the surface facing the glass plate 11.
  • Both the above-mentioned glass structures 100 and 200 can be suitably used as a glass structure for a window glass for a vehicle.
  • the glass structures 100 and 200 with high watertightness according to this embodiment are used at the front.
  • it is possible to prevent water leakage into the vehicle.
  • the foil-shaped connecting member 20 drawn out from the end face of the laminated glass 10 is folded back toward the first glass plate 11 and the first glass. It can be arranged so as to be in contact with the main surface of the plate 11. Then, the recesses 21 and / or the convex portions 22 can be formed at the folded positions of the foil-shaped connecting member 20, for example, the recesses 21 and 21 as shown in FIGS. 1A to 1D.
  • both the adhesion between the glass plates constituting the laminated glass 10 and the adhesion between the laminated glass 10 and another member such as the window frame member 45. Can be improved. This makes it possible to construct a vehicle window having higher airtightness and watertightness.
  • Example 2 A resin molded body in which two triangular notches are formed on both edges of the resin molded body FH1.
  • the depth w of the triangular notch (recess) was 3 mm, and the width d was 2 mm (FIG. 10 (b)).
  • Example 3 One triangular convex portion is formed on each edge of the foil-shaped connecting member FH1 and one triangular convex portion becomes thinner toward the outside in the width direction of the foil-shaped connecting member. Resin molded body.
  • the height w of the convex portion was 3 mm, and the width d of the convex portion was 2 mm (FIG. 10 (c)).
  • FIG. 11 (c1) The other flat glass G2 was placed on the side provided with the resin molded bodies FH1 to FH3 and the urethane adhesive AD, and pressed against each other until the gap between the flat glasses G1 and G2 became about 6 mm (FIG. 11 (c1). ), And FIG. 11 (c2), which is a sectional view taken along line VV of FIG. 11 (c1). Then, water was put inside the U-shape of the urethane adhesive AD (FIG. 11 (d)). Then, a hose H (inner diameter 3 mm) is inserted between the flat glass G1 and G2 until the tip of the hose H comes into contact with the resin molded bodies FH1 to FH3 and the urethane adhesive until they come into contact with each other. Compressed air of ⁇ 2 kPa was sent (FIG. 11 (e)).
  • the glass structure by using a foil-like connecting member (Example 2 and Example 3) in which a convex portion or a concave portion is formed at an edge portion, the glass structure is adhered to the adhered member by an adhesive material. It was found that the adhesion between the glass structure and the adhesive material can be improved when the glass structure is allowed to be formed. Therefore, even if the glass structure including the foil-like connecting member having the shape used in Examples 2 and 3 is used in an environment exposed to water, for example, there is a possibility that water leaks from the adhesive material. Can be reduced.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)

Abstract

La présente invention concerne un corps structural en verre de véhicule qui est pourvu d'une plaque de verre et d'un élément de liaison de type feuille qui est disposé sur la surface principale de la plaque de verre de façon à être électriquement connecté à un conducteur disposé sur la plaque de verre ou à proximité de celle-ci, l'élément de liaison de type feuille étant collé, par l'intermédiaire d'un matériau adhésif disposé de manière à chevaucher au moins une partie du bord de l'élément de liaison de type feuille, à un élément adhérent qui est disposé de façon à faire face à au moins une partie de la surface principale de la plaque de verre ou à la plaque de verre, le bord de l'élément de liaison comportant une saillie et/ou un évidement dans une vue en plan.
PCT/JP2020/018474 2019-05-13 2020-05-01 Corps structural en verre de véhicule, structure d'adhérence et verre feuilleté WO2020230679A1 (fr)

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CN202080033720.1A CN113784935B (zh) 2019-05-13 2020-05-01 车辆用玻璃结构体、粘接结构及夹层玻璃
JP2021519387A JP7487736B2 (ja) 2019-05-13 2020-05-01 車両用ガラス構造体、及び接着構造

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JP2004035331A (ja) * 2002-07-03 2004-02-05 Asahi Glass Co Ltd 温度センサ付き合わせガラス
JP2009190947A (ja) * 2008-02-15 2009-08-27 Sekisui Chem Co Ltd 合わせガラスの製造方法及び合わせガラス
JP2013173476A (ja) * 2012-02-27 2013-09-05 Nippon Sheet Glass Co Ltd シール部材付きウインドウガラス
JP2017210071A (ja) * 2016-05-24 2017-11-30 旭硝子株式会社 車両用窓ガラス
JP2018094949A (ja) * 2016-12-08 2018-06-21 旭硝子株式会社 車両用窓ガラス及び車両用窓ガラスの製造方法
JP2018115085A (ja) * 2017-01-17 2018-07-26 日立化成株式会社 合わせガラス中間膜用光硬化性樹脂組成物、カバーフィルム付合わせガラス用中間膜、合わせガラス、及び、合わせガラスの製造方法
JP2018524254A (ja) * 2015-06-03 2018-08-30 ピルキントン グループ リミテッド 積層グレージング

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Publication number Priority date Publication date Assignee Title
JP2004035331A (ja) * 2002-07-03 2004-02-05 Asahi Glass Co Ltd 温度センサ付き合わせガラス
JP2009190947A (ja) * 2008-02-15 2009-08-27 Sekisui Chem Co Ltd 合わせガラスの製造方法及び合わせガラス
JP2013173476A (ja) * 2012-02-27 2013-09-05 Nippon Sheet Glass Co Ltd シール部材付きウインドウガラス
JP2018524254A (ja) * 2015-06-03 2018-08-30 ピルキントン グループ リミテッド 積層グレージング
JP2017210071A (ja) * 2016-05-24 2017-11-30 旭硝子株式会社 車両用窓ガラス
JP2018094949A (ja) * 2016-12-08 2018-06-21 旭硝子株式会社 車両用窓ガラス及び車両用窓ガラスの製造方法
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JP7487736B2 (ja) 2024-05-21
CN113784935A (zh) 2021-12-10

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