CN113795378A - Method for manufacturing a composite glass panel and a composite glass panel - Google Patents

Method for manufacturing a composite glass panel and a composite glass panel Download PDF

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Publication number
CN113795378A
CN113795378A CN202180001702.XA CN202180001702A CN113795378A CN 113795378 A CN113795378 A CN 113795378A CN 202180001702 A CN202180001702 A CN 202180001702A CN 113795378 A CN113795378 A CN 113795378A
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polymer film
layer
functional layer
glass
adhesive layer
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CN202180001702.XA
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Chinese (zh)
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G·克罗奇
J·沃尔夫
S·艾韦斯
M·卡普奇利
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Saint Gobain Glass France SAS
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Saint Gobain Glass France SAS
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
    • B32B17/10201—Dielectric coatings
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
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    • B32B17/10834—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid
    • B32B17/10844—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid using a membrane between the layered product and the fluid
    • B32B17/10853—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid using a membrane between the layered product and the fluid the membrane being bag-shaped
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    • 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
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
    • B32B17/10871—Making laminated safety glass or glazing; Apparatus therefor by pressing in combination with particular heat treatment
    • 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
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    • 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
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/10899—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin
    • B32B17/10935—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin as a preformed layer, e.g. formed by extrusion
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    • 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
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
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    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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    • B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
    • B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)

Abstract

本发明涉及用于制造复合玻璃板的方法，其包括以下步骤：(a)提供具有外侧表面(I)和内侧表面(II)的第一玻璃板(2)、第一聚合物膜(6)、具有外侧表面(III)和内侧表面(IV)的第二玻璃板(4)、第二聚合物膜(8)和在一面上设有粘附层(12)的功能层(10)；(b)将功能层(10)施加到第一聚合物膜(6)和第二聚合物膜(8)之一上，以使得粘附层(12)布置在功能层(10)与第一聚合物膜(6)或第二聚合物膜(8)之一之间并且与其接合，(c)形成层堆叠体，其中与第一聚合物膜(6)和第二聚合物膜(8)之一通过粘附层(12)接合的功能层(19)和第一聚合物膜(6)和第二聚合物膜(8)中的另一个如此布置在第一玻璃板(2)和第二玻璃板(4)之间，以使得功能层(10)与第一聚合物膜(6)或第二聚合物膜(8)中的另一个邻接布置，第一聚合物膜(6)与第一玻璃板(2)的内侧表面(II)直接相邻布置并且第二聚合物膜(8)与第二玻璃板(4)的外侧表面(III)直接相邻布置；(d)在第一温度(T1)下使层堆叠体排气；(e)随后在高于第一温度(T1)的第二温度(T2)下使层堆叠体排气；(f)随后在高压釜中在第三温度(T3)下处理经排气的层堆叠体。

Figure 202180001702

The present invention relates to a method for manufacturing a composite glass sheet, comprising the steps of: (a) providing a first glass sheet (2) having an outer surface (I) and an inner surface (II), a first polymer film (6) , a second glass plate (4) having an outer surface (III) and an inner surface (IV), a second polymer film (8) and a functional layer (10) provided on one side with an adhesive layer (12); ( b) applying the functional layer (10) to one of the first polymer film (6) and the second polymer film (8) such that the adhesive layer (12) is arranged on the functional layer (10) and the first polymer film between and joined to one of the polymer film (6) or the second polymer film (8), (c) forming a layer stack wherein the first polymer film (6) and the second polymer film (8) A functional layer (19) joined by an adhesive layer (12) and the other of the first polymer film (6) and the second polymer film (8) are thus arranged on the first glass plate (2) and the second between the glass plates (4) so that the functional layer (10) is arranged adjacent to the other of the first polymer film (6) or the second polymer film (8), the first polymer film (6) and the second polymer film (6) The inner side surface (II) of a glass sheet (2) is arranged directly adjacent and the second polymer film (8) is arranged directly adjacent to the outer side surface (III) of the second glass sheet (4); (d) in the first The layer stack is vented at a temperature (T1); (e) the layer stack is subsequently vented at a second temperature (T2) higher than the first temperature (T1); (f) is subsequently vented in the autoclave at the first temperature (T1). The exhausted layer stack is processed at three temperatures (T3).

Figure 202180001702

Description

Method for producing a composite glass pane and composite glass pane
The present invention relates to a method for manufacturing a composite glass sheet and a composite glass sheet.
Composite elements made of transparent layers are known from WO 2015/063418 a 1. The composite element includes two outer layers having similar refractive indices and at least one intermediate layer having a different refractive index. Such an intermediate layer may be, for example, TiO2Layer of said TiO2The layers are applied via a physical layer deposition method. The intermediate layer can in particular be a structured or faceted layer. One of the outer layers may be provided with an adhesive layer which is covered for transport by a peelable protective film or layer. Such composite elements are designed for gluing to glass panels, for example building glass panels or vehicle glass panels. To apply such a composite element or film to a glass sheet, a film of soap water may first be applied to the glass sheet to apply the film flat on the outside or inside of the composite glass sheet. The composite element is then joined flat to the composite glass pane by drying and can subsequently be used, for example, as a projection surface. Such membranes are used in a variety of surface vehicles, and also in buildings, such as supermarkets. The following problems exist when applied to the outer surface of a glass sheet: the applied composite element or functional film is exposed to environmental influences or other sources of damage and therefore must often be replaced regularly.
WO 2018/142050 a1 discloses another composite element which is made of two transparent layers and an intermediate layer. The surface of the intermediate layer has a textured surface with a different slope distribution. The area of the composite element is divided into a plurality of pixels having the same size. In this case, the slope distribution of the individual elements is correlated with the slope distribution of the entire region. In order to arrange such composite elements between glass panes, it is known to first provide a thin layer for a sandwich structure made of a coated polymer film, for example PMMA, and to texture it. The coated polymer film is disposed between two additional thermoelastic polymer layers and then calendered so as to form a composite element, which is subsequently disposed between and laminated with glass sheets. In order to arrange such a composite element in a composite glass panel without creases, a relatively large composite element thickness is required.
Another composite element made of transparent layers is known from WO 2018/109375 a 1. The known composite element comprises an area for the display and a further area, which is in particular transparent. Known composite elements can be arranged between two glass sheets for a composite glass sheet device. The composite element has in particular a textured intermediate layer. In this case, the region which is provided in particular as a display has a first structural form, and the further, in particular transparent, region has a second structural form. A transition zone is arranged between the two regions. The textured intermediate layer may be composed of a plurality of parallel extending layers. WO 2018/169095a1 discloses another transparent display in a transparent composite element.
Printed documents JP 2018180122A, US 2018/00552264 and WO 2016/175183 a1 disclose further transparent screens.
Composite glass panels with laminated functional layers are disclosed in EP 3546994 a1, WO 2015/1091198 a1 and EP 2213452 a 1.
EP 2380859 a1 discloses a laminate for laminated glass in which an interlayer film for laminated glass and a retardation member disposed between adhesive layers are laminated.
JP 2016175835 a discloses a method for manufacturing a thin glass laminate, and JP 2012101999 a discloses a method for manufacturing a laminate having a functional layer.
There is a need for another simple method, especially for arranging thin functional layers in a composite glass system.
It is an object of the present invention to provide a method for arranging functional layers in a composite glass system. It is another object of the present invention to provide a composite glass sheet having a functional layer. The functional layer is in particular a thin functional layer.
The method for manufacturing a composite glass sheet according to the invention comprises the steps of:
(a) providing a first glass sheet having an outer side surface and an inner side surface, a first polymer film, a second glass sheet having an outer side surface and an inner side surface, a second polymer film, and a functional layer having an adhesive layer on one side;
(b) applying a functional layer to one of the first and second polymeric films such that an adhesion layer is disposed between and bonded to the functional layer and the one of the first and second polymeric films,
(c) forming a layer stack, wherein a functional layer joined to one of the first polymer film and the second polymer film by an adhesion layer and the other of the first polymer film and the second polymer film are arranged between the first glass plate and the second glass plate such that the functional layer is arranged adjacent to the other of the first polymer film and the second polymer film, the first polymer film being arranged directly adjacent to an inside surface of the first glass plate and the second polymer film being arranged directly adjacent to an outside surface of the second glass plate;
(d) venting the layer stack at a first temperature;
(e) subsequently venting the layer stack at a second temperature higher than the first temperature;
(f) the exhausted layer stack is subsequently treated in an autoclave at a third temperature.
Thus, in step (b), the functional layer is applied on a polymer film selected from the first polymer film and the second polymer film, such that the adhesion layer is disposed between and bonded to the functional layer and the selected polymer film. The previously unselected polymer film is arranged in step (c) in such a way that the functional layer is arranged adjacent to the polymer film on the side not provided with the adhesive layer and is bonded thereto.
Preferably, in step (b), the functional layer held in a taut state is placed and pressed onto a polymer film selected from the group consisting of the first polymer film and the second polymer film through an adhesive layer. The pressing can be effected, for example, by means of a roller. In a suitable embodiment, the pulling, placing, pressing can be effected by means of a roller system in the orientation operation. Thus, it is also possible to apply a thin functional layer flat onto a polymer film selected from the first polymer film and the second polymer film and to avoid moire formation.
With the method according to the invention, it is also possible to apply thin functional layers in such a way that undesired cloudiness is avoided.
In the sense of the present invention, "interior" is understood to mean that side of the glass pane which, in the installed state, is directed towards the interior space of the building or vehicle.
The first glass plate is expediently designed as an outer glass plate and the second glass plate is expediently designed as an inner glass plate. The first and/or second glass plate can be designed in particular as a glass plate or as a plastic glass plate. Thus, the inside surface of the first glass plate and the outside surface of the second glass plate are opposed to each other. Both the first and second glass sheets may comprise a coating or layer, for example in the form of a sun protection coating or a coloured layer, disposed on the glass sheets themselves or between the glass sheets and the respective polymer film. Such a coating is expediently arranged on the glass pane designed as outer glass pane. Such composite glass sheets are known, for example, from WO 2017/103032 a 1.
In another embodiment, the first polymer film and/or the second polymer film and/or the further polymer film comprises polyvinyl butyral, ethylene vinyl acetate, polyurethane and/or mixtures and/or copolymers thereof or is polyvinyl butyral (PVB).
In one embodiment, the first polymer film and the second polymer film preferably each independently have a thickness of 0.03 mm to 0.9 mm, particularly preferably 0.3 mm to 0.6 mm.
The functional layer is a passive functional layer. It has reflective or translucent properties, in particular in partial regions or over the entire surface.
The adhesive layer provided for the functional layer is preferably covered with a peelable protective layer or film. For applying the functional layer, the protective layer is expediently peeled off, and the functional layer held in the tensioned state is placed and pressed by means of the adhesive layer. The pressing can be performed, for example, by means of rollers or rollers. In a suitable embodiment, the pulling, placing, pressing can be effected in the orientation operation by means of a system of rollers or rollers.
In order to evacuate the stack of layers at the first temperature, the stack of layers is expediently introduced into a vacuum bag or vacuum chamber and then evacuated or a slight underpressure is generated in the vacuum bag of the vacuum chamber. The first venting step may be carried out for at least 10 minutes, in particular at least 30 minutes, and for several hours.
In one embodiment, the first temperature T1 is between 15 ℃ and 40 ℃, in particular between 17 ℃ and 25 ℃.
The second temperature T2 is suitably from 60 ℃ to 90 ℃, especially from 70 ℃ to 90 ℃, especially from 80 ℃ to 90 ℃. This second venting step is particularly aimed at least substantially removing air from the layer stack. The second venting step may be performed for at least 15 minutes, and for several hours.
In another embodiment, the third temperature T3 is between 70 ℃ and 90 ℃, in particular between 80 ℃ and 90 ℃. The second temperature T2 and the third temperature T3 may be the same or different.
The treatment in the autoclave is suitably carried out at a temperature T3 of from 8 bar to 14 bar, especially from 6 bar to 12 bar, and further suitably for a period of from 30 to 600 minutes, especially from 60 to 300 minutes.
In one embodiment of the method, step (b) further comprises applying a further adhesive layer on the other side of the functional layer and joining the functional layer with the other of the first and second polymer films by means of the further adhesive layer, and step (c) comprises forming a layer stack in which the functional layer joined with one of the first and second polymer films by the adhesive layer and with the other of the first and second polymer films by the further adhesive layer is arranged between the first and second glass panes in such a way that the first polymer film is arranged directly adjacent to the inner side surface of the first glass pane and the second polymer film is arranged directly adjacent to the outer side surface of the second glass pane. The further adhesive layer may also already be applied to the functional layer when the functional layer is provided. In this case, the further adhesive layer is also suitably covered with a protective layer or film.
In one suitable embodiment, the functional layer has a thickness of 45 μm (micrometers) to 200 μm, in particular 50 μm to 100 μm.
In a further embodiment, the functional layer comprises a polymer film, which in particular has a microstructure and/or comprises nanoparticles or microparticles. In one embodiment, the functional layer itself may be formed of a plurality of asperities and/orA smooth layer. This may be a composite element as known, for example, from WO 2015/063418 a 1. The composite element includes two outer layers having similar refractive indices and at least one intermediate layer having a different refractive index. The intermediate layer may be metallic or dielectric. Such an intermediate layer may be, for example, TiO2Layer of said TiO2The layers are applied via a physical layer deposition method. Further, for example, Si may be used3N4ZnO, AlN, NbO or NbN layer. The intermediate layer can in particular be a structured or faceted layer. One of the outer layers may be provided with an adhesive layer which is covered for transport by a peelable protective film or layer. Furthermore, the functional layer can be a composite element which has a first structured form in the region provided as a display and has further regions which are transparent or translucent and have a second structured form. A transition zone is expediently arranged between the two abovementioned regions. Such composite elements are known, for example, from WO 2018/109375 a 1.
The adhesive layer and/or the further adhesive layer suitably comprises or consists of an adhesive, in particular a permanently adhering adhesive. The adhesive is suitably an acrylate, polyurethane or silicone based adhesive. The adhesive is advantageously transparent or at least translucent. It is furthermore advantageous if the adhesive is non-pigmented.
In one embodiment, in steps (b) and (c), the functional layer does not overlap the first and second polymer films in the surrounding edge regions, so that in step (f) the first and second polymer films fuse to one another in the edge regions. Thus, in the composite glass sheet manufactured by this embodiment of the method, the functional layer is not disposed over the entire face between the first polymer film and the second polymer film.
The first glass pane and the second glass pane are preferably made of glass, particularly preferably of soda lime glass, as is customary for window panes. However, these glass plates can also be made of other glass types, for example quartz glass, borosilicate glass or aluminosilicate glass, or of rigid clear plastics, for example polycarbonate or polymethyl methacrylate.
The thickness of the first and second glass plates can vary widely and can therefore be adapted to the requirements in the respective case. The first glass plate and the second glass plate preferably have a thickness of 0.5 mm to 5 mm, particularly preferably 1 mm to 3 mm, very particularly preferably 1.6 mm to 2.1 mm. For example, the first glass plate has a thickness of 2.1 mm and the second glass plate has a thickness of 1.6 mm.
In one embodiment of the method of the present invention, when provided in step (a), the inside surface of the first glass sheet is provided with a first polymer film and the outside surface of the second glass sheet is provided with a second polymer film.
Thus, according to the present invention, there is also provided a method for manufacturing a composite glass sheet comprising the steps of:
(PI) providing a first glass plate having an outer side surface and an inner side surface, wherein the inner side surface of the first glass plate is provided with a first polymer film, a second glass plate having an outer side surface and an inner side surface, wherein the outer side surface of the second glass plate is provided with a second polymer film, and a functional layer provided with an adhesive layer on one side;
(PII) applying a functional layer to one of the first and second polymeric films such that an adhesion layer is disposed between and joins the functional layer and the one of the first and second polymeric films, and disposing the other of the first and second polymeric films such that the functional layer is disposed adjacent to the other of the first and second polymeric films;
(PIII) venting the layer stack at a first temperature;
(PIV) subsequently venting the layer stack at a second temperature higher than the first temperature;
(PV) subsequently treating the exhausted layer stack in an autoclave at a third temperature.
Thus, in step (PII), the functional layer is applied on a polymer film selected from the first polymer film and the second polymer film, such that the adhesion layer is disposed between and bonded to the functional layer and the selected polymer film. The previously unselected polymer film is arranged in such a way that the functional layer is arranged adjacent to the polymer film.
In one embodiment of the method, in step (PII), the functional layer does not overlap the first and second polymer films in the surrounding edge regions, so that in step (PV) the first and second polymer films fuse to one another in the edge regions. Thus, in the composite glass sheet manufactured by this embodiment of the method, the functional layer is not disposed on the entire face between the first and second polymer films.
In one embodiment of the method, step (PII) further comprises applying a further adhesive layer on the other side of the functional layer and joining the functional layer to the other of the first and second polymeric films by means of the further adhesive layer. The further adhesive layer may also already be applied to the functional layer when the functional layer is provided. In this case, too, the further adhesive layer is expediently covered by a protective layer or film.
The invention also relates to a composite glass sheet. The composite glass sheet according to the invention is suitably manufactured according to the method of the invention. The composite glass sheet comprises:
a first glass plate having an outer side surface and an inner side surface, wherein the inner side surface of the first glass plate is provided with a first polymer film,
a second glass plate having an outer side surface and an inner side surface, wherein the outer side surface of the second glass plate is provided with a second polymer film,
a functional layer provided with an adhesive layer on one surface;
wherein a functional layer provided with an adhesion layer is arranged between the first polymer film and the second polymer film.
In one embodiment, the functional layer is provided with a further adhesive layer on the other side.
The embodiments of the individual layers and the first and second glass sheets described above for the method of the invention apply correspondingly also to the individual layers and the first and second glass sheets of the composite glass sheet of the invention.
The composite glass pane according to the invention can be in particular part of a vehicle glazing or a building glazing.
The invention therefore also relates to the use of the composite glass pane according to the invention as a vehicle glazing or as a building glazing.
Further features and advantages of the invention are also explained in more detail below with the aid of a description of an embodiment and with reference to the drawings. Shown in the schematic diagram are:
figure 1 a first embodiment of a composite glass sheet,
FIG. 2 is one embodiment of a method of manufacture, and
FIG. 3 is another embodiment of a method of manufacture.
Fig. 1 shows a composite glass sheet 1 in a first embodiment. The composite glass sheet 1 comprises a first glass sheet 2 having an outer side surface I and an inner side surface II. The first glass plate 2 is designed as an outer glass plate. In contrast, composite glass sheet 1 includes a second glass sheet 4 having an outside surface III and an inside surface IV. The second glass plate 4 is designed as an inner glass plate.
On the inside surface II, a first polymer film 6 is bonded to the first glass plate 2. The first polymer film 6 is in particular a thermoplastic polymer film, which consists for example of PVB. In the embodiment shown in fig. 1, it has a thickness of 0.38 mm, for example.
On the outer side surface III, a second polymer film 8 is bonded to the second glass plate 4. The second polymer film 8 is likewise, in particular, a thermoplastic polymer film, for example made of PVB. In the embodiment shown in fig. 1, it has a thickness of 0.38 mm, for example.
The functional layer 10 is arranged between the first and second polymer films 6, 8. In the embodiment shown, the functional layer 10 is provided on one side with an adhesive layer 12 which is bonded to the second polymer film 8 in a face-shaped manner. Alternatively, the adhesive layer 12 can also be bonded to the first polymer film 6 in a planar manner. In an alternative embodiment, not shown, the functional layer 10 is provided with adhesive layers on both sides, so that it is joined thereto in a planar manner by the adhesive layer 12 with the second polymer film 8 and by a further adhesive layer 14, not shown, with the first polymer film 6. The functional layer 10 has a thickness of, for example, 50 μm in the embodiment shown in fig. 1. In the embodiment shown in fig. 1, the first glass plate 2 has a thickness of, for example, 2.1 mm, and the second glass plate 4 has a thickness of 1.6 mm.
Such a composite glass sheet may be manufactured according to the method shown in fig. 2.
In a first step S1, the following components are provided:
a first glass plate 2 having an outer side surface I and an inner side surface II,
-a first polymer film 6 of a first polymer,
a second glass plate 4 having an outer side surface III and an inner side surface IV,
a second polymer film 8 and
a functional layer 10.
The provided functional layer 10 is suitably already provided with an adhesive layer 12 and optionally with a further adhesive layer 14. The functional layer 10 with the adhesive layer 12 is known per se, for example from WO 2015/063418 a1, for application to a glass pane. For transport, the adhesive layer 12 and optionally the further adhesive layer 14 are provided with a protective film or layer, in particular in the form of a siliconized paper or film liner, which is peeled off on a specific side before the functional layer 10 is applied.
In a second step S2, the functional layer 10 is applied on one of the first and second polymer films 6, 8 such that the adhesion layer 12 is disposed between and bonded to the functional layer 10 and one of the first and second polymer films 6, 8. To implement the embodiment shown in fig. 1, a functional layer 10 is disposed on and bonded to the second polymeric film 8 by an adhesion layer 12. For this purpose, the protective layer is suitably peeled off and the functional layer 10 held in a tensioned state is placed and pressed by the adhesive layer 12. The pressing can be effected, for example, by means of a roller. In a suitable embodiment, the pulling, placing, pressing can be effected by means of a roller system in the orientation operation. It is thus also possible to apply the thin functional layer 10 flat onto the second polymer film 8 and avoid corrugation formation.
In a third step S3, a layer stack is formed, wherein the functional layer 10, which is bonded to one of the first polymer film 6 and the second polymer film 8 by means of the adhesive layer 12, and the other of the first polymer film 6 and the second polymer film 8 are arranged between the first glass pane 2 and the second glass pane 4 in such a way that the functional layer 10 is arranged adjacent to the other of the first polymer film 6 and the second polymer film 8, the first polymer film 6 is arranged directly adjacent to the inner side surface II of the first glass pane 2, and the second polymer film 8 is arranged directly adjacent to the outer side surface III of the second glass pane 4.
In a fourth step S4, the layer stack formed by the first glass plate 2, the second glass plate 4, the first polymer film 6, the second polymer film 8 and the functional layer 10 with the adhesion layer 12 is subjected to cold degassing. The venting in step S4 takes place in particular at room temperature or at a first temperature T1 which is only slightly above or slightly below room temperature, in particular 15 ℃ to 40 ℃. For this purpose, the layer stack is in particular placed in a vacuum bag. A fourth step S4 is to remove air from the vacuum bag and hose. In this case, a negative pressure can be generated. The first venting step may be carried out for at least 10 minutes, but may also be carried out for several hours.
The fifth step S5 follows step S4 and includes a second exhaust step. The second exhaust step is performed at an elevated temperature T2 relative to the first temperature T1. This elevated temperature T2 is selected such that the functional layer 10 is not subjected to visibility, in particular not to structural changes or damage. At temperature T2, the permanent adhesion of the adhesive layer 12 is suitably maintained. This second venting step is particularly aimed at least substantially removing air from the layer stack. The temperature T2 is in particular 70 ℃ to 90 ℃ but should be selected to be below 90 ℃.
The fifth step S5 is followed by a step S6 in which the glass sheets are durably joined to each other in an autoclave process known per se. However, in this step, in the method according to the invention, the temperature is kept abnormally low, so as not to damage the functional layer. For this purpose, a temperature T3 is selected which is likewise between 70 ℃ and 90 ℃, in particular below 90 ℃. The temperature T3 is maintained at a pressure of 6 to 14 bar, in particular 8 to 12 bar, for 60 to 300 minutes.
In one embodiment of the method, the functional layer 10 is applied to the second polymer film 8 by means of the adhesive layer 12 in step S2, and the layer stack is formed in step S3 in such a way that the functional layer 10, which is bonded to the second polymer film 8 by means of the adhesive layer 12, is placed on the outer side surface III of the second glass pane 4, so that the second polymer film 8 is arranged directly adjacent to the second glass pane 4, the first polymer film 6 is placed on the functional layer 10 and the first glass pane 2 is placed on the first polymer film 6. It should be understood that the layer stack in step S3 may also be formed in the reverse order by placing the first polymer film 6 on the inside surface II of the first glass sheet 2, placing the functional layer 10 (which is bonded to the second polymer film 8 by the adhesive layer 12) on the first polymer film 6, and placing the second glass sheet 4 on the second polymer film 8.
In an alternative embodiment of the method, in step S2, the functional layer 10 is applied to the first polymer film 6 by means of the adhesive layer 12, and in step S3, a layer stack is formed in that the functional layer 10, which is joined to the first polymer film 6 by means of the adhesive layer 12, is placed onto the inner side surface II of the first glass pane 2, such that the first polymer film 6 is arranged directly adjacent to the first glass pane 2, the second polymer film 8 is placed onto the functional layer 10, and the second glass pane 8 is placed onto the second polymer film 8. It should be understood that the layer stack in step S3 may also be formed in the reverse order by placing the second polymer film 8 on the outside surface III of the second glass sheet 4, placing the functional layer 10 on the second polymer film 8 (which is bonded to the first polymer film 6 by the adhesive layer 12), and placing the first glass sheet 2 on the first polymer film 6.
The composite glass sheet of the present invention can also be produced by the method shown in fig. 3.
In a first step PI, the following components are provided:
a first glass plate 2 having an outer side surface I and an inner side surface II,
a second glass plate 4 having an outer side surface III and an inner side surface IV, and
a functional layer 10.
The first glass plate 2 is provided, in particular, already provided with or provided with a first polymer film 6.
The second glass plate 4 is provided, in particular, already provided with the second polymer film 8 or with the latter.
The respective first or second polymer film is applied on the surfaces which should face each other when joining the glass plates, here the inner side surface II of the first glass plate 2 and the outer side surface III of the second glass plate 4, respectively.
The functional layer 10 provided is suitably already provided with an adhesive layer 12 and optionally with a further adhesive layer 14. Functional layers 10 with adhesive layers 12 are known per se, for example from WO 2015/063418 a1, for application to glass panes. For transport, the adhesive layer 12 and optionally the further adhesive layer 14 are provided with a protective film or layer, in particular in the form of a siliconized paper or film liner, which is peeled off on a specific side before the functional layer 10 is applied.
In a second step PII, the functional layer 10 is applied on one of the first and second polymer films such that the adhesion layer 12 is arranged between and bonded to the functional layer 10 and one of the first and second polymer films 6, 8. To implement the embodiment shown in fig. 1, a functional layer 10 is disposed on and bonded to the second polymeric film 8 by an adhesion layer 12. For this purpose, the functional layer 10, which is suitably peeled off and held in a tensioned state, is placed and pressed by the adhesive layer 12. The pressing can be effected, for example, by means of a roller. In a suitable embodiment, the pulling, placing, pressing can be effected by means of a roller system in the orientation operation. It is thus also possible to apply the thin functional layer 10 flat onto the second polymer film 8 and avoid corrugation formation.
The second step PII subsequently comprises arranging the other of the first polymer film 6 and the second polymer film 8 such that the functional layer 10 is arranged adjacent to the other of the first polymer film 6 and the second polymer film 8. For this purpose, for example, the first glass pane 2 with the first polymer film 6 applied thereto can be placed on the functional layer 10, which has already been joined to the second glass pane 4.
In a third step PIII, the layer stack formed by the first glass plate 2, the second glass plate 4, the first polymer film 6, the second polymer film 8 and the functional layer 10 with the adhesion layer 12 is subjected to cold degassing. The degassing in step PIII takes place in particular at room temperature or at a first temperature T1 which is only slightly above or slightly below room temperature, in particular from 15 ℃ to 40 ℃. For this purpose, the layer stack is in particular placed in a vacuum bag. The third step PIII is for removing air from the vacuum bag and the hose. In this case, a negative pressure can be generated. The first venting step may be carried out for at least 10 minutes, but may also be carried out for several hours.
Step PIV follows step PIII and includes a second venting step. The second exhaust step is performed at an elevated temperature T2 relative to the first temperature T1. This elevated temperature T2 is selected such that the functional layer 10 is not subjected to visibility, in particular not to structural changes or damage. At temperature T2, the permanent adhesion of the adhesive layer 12 is suitably maintained. This second venting step is particularly aimed at least substantially removing air from the layer stack. The temperature T2 is in particular 70 ℃ and 90 ℃ but should be selected to be below 90 ℃.
Step PIV is followed by step PV, in which the glass panes are durably joined to one another in a known autoclave process. However, in this step, in the method according to the invention, the temperature is kept abnormally low so as not to damage the functional layer. For this purpose, a temperature T3 is selected which is likewise between 70 ℃ and 90 ℃, in particular below 90 ℃. The temperature T3 is maintained at a pressure of 6 to 14 bar, in particular 8 to 12 bar, for 60 to 300 minutes.
List of reference numerals
1 composite glass plate
2 first glass plate
4 second glass plate
6 first Polymer film
8 second Polymer film
10 functional layers
12 adhesive layer
14 Another adhesive layer
I outer side surface of first glass plate
II inside surface of first glass plate
III outside surface of second glass plate
IV inner side surface of second glass plate.

Claims (15)

1.用于制造复合玻璃板(1)的方法，其包括以下步骤：1. A method for producing a composite glass panel (1), comprising the steps of: (a) 提供具有外侧表面(I)和内侧表面(II)的第一玻璃板(2)、第一聚合物膜(6)、具有外侧表面(III)和内侧表面(IV)的第二玻璃板(4)、第二聚合物膜(8)和在一面上设有粘附层(12)的功能层(10)；(a) providing a first glass sheet (2) having an outside surface (I) and an inside surface (II), a first polymer film (6), a second glass having an outside surface (III) and an inside surface (IV) a plate (4), a second polymer film (8) and a functional layer (10) provided on one side with an adhesive layer (12); (b) 将功能层(10)施加到第一聚合物膜(6)和第二聚合物膜(8)之一上，以使得粘附层(12)布置在功能层(10)与第一聚合物膜(6)或第二聚合物膜(8)之一之间并且与其接合，(b) applying the functional layer (10) to one of the first polymer film (6) and the second polymer film (8) such that the adhesive layer (12) is arranged between the functional layer (10) and the first polymer film (8) between and joined to one of the polymer film (6) or the second polymer film (8), (c) 形成层堆叠体，其中与第一聚合物膜(6)和第二聚合物膜(8)之一通过粘附层(12)接合的功能层(10)和第一聚合物膜(6)和第二聚合物膜(8)中的另一个如此布置在第一玻璃板(2)和第二玻璃板(4)之间，以使得功能层(10)与第一聚合物膜(6)和第二聚合物膜(8)中的另一个邻接布置，第一聚合物膜(6)与第一玻璃板(2)的内侧表面(II)直接相邻布置并且第二聚合物膜(8)与第二玻璃板(4)的外侧表面(III)直接相邻布置；(c) forming a layer stack in which the functional layer (10) and the first polymer film ( 6) and the other of the second polymer film (8) are arranged between the first glass plate (2) and the second glass plate (4) such that the functional layer (10) is connected to the first polymer film ( 6) is arranged adjacent to the other of the second polymer films (8), the first polymer film (6) being arranged directly adjacent to the inner side surface (II) of the first glass sheet (2) and the second polymer film (8) arranged directly adjacent to the outer surface (III) of the second glass plate (4); (d) 在第一温度(T1)下使层堆叠体排气；(d) venting the layer stack at a first temperature (T1); (e) 随后在高于第一温度(T1)的第二温度(T2)下使层堆叠体排气；(e) subsequently venting the layer stack at a second temperature (T2) higher than the first temperature (T1); (f) 随后在高压釜中在第三温度(T3)下处理经排气的层堆叠体。(f) The degassed layer stack is subsequently processed in an autoclave at a third temperature (T3). 2.根据权利要求1所述的方法，其中第一温度(T1)为15℃至40℃，尤其为20℃至25℃。2. The method according to claim 1, wherein the first temperature (T1) is 15°C to 40°C, in particular 20°C to 25°C. 3.根据权利要求1或2所述的方法，其中第二温度(T2)为60℃至90℃，尤其为70℃至90℃，尤其为80℃至90℃。3. The method according to claim 1 or 2, wherein the second temperature (T2) is 60°C to 90°C, especially 70°C to 90°C, especially 80°C to 90°C. 4.根据前述权利要求中任一项所述的方法，其中所述第三温度(T3)为70℃至90℃，尤其为80℃至90℃。4. The method according to any one of the preceding claims, wherein the third temperature (T3) is from 70°C to 90°C, in particular from 80°C to 90°C. 5.根据前述权利要求中任一项所述的方法，其中所述在高压釜中的处理在8巴至14巴，尤其6巴至12巴下进行30分钟至600分钟，尤其60分钟至300分钟的时间。5. The method according to any one of the preceding claims, wherein the treatment in the autoclave is carried out at 8 to 14 bar, especially 6 to 12 bar for 30 to 600 minutes, especially 60 to 300 minutes minutes. 6.根据前述权利要求中任一项所述的方法，其中步骤(b)还包括：将另一粘附层(14)施加在功能层(10)的另一面上并且将功能层(10)借助另一粘附层(14)与第一聚合物膜(6)和第二聚合物膜(8)中的另一个接合，并且其中在步骤(c)中形成层堆叠体，其中与第一聚合物膜(6)和第二聚合物膜(8)之一通过粘附层(12)接合且与第一聚合物膜(6)和第二聚合物膜(8)中的另一个通过另一粘附层(14)接合的功能层(10)如此布置在第一玻璃板(2)与第二玻璃板(4)之间，以使得第一聚合物膜(6)与第一玻璃板(2)的内侧表面(II)直接相邻布置并且第二聚合物膜(8)与第二玻璃板(4)的外侧表面(III)直接相邻布置。6. The method according to any one of the preceding claims, wherein step (b) further comprises: applying a further adhesive layer (14) on the other side of the functional layer (10) and applying the functional layer (10) Bonding to the other of the first polymer film ( 6 ) and the second polymer film ( 8 ) by means of a further adhesive layer ( 14 ), and wherein in step (c) a layer stack is formed, wherein the first polymer film ( 6 ) and the second polymer film ( 8 ) are formed One of the polymer film (6) and the second polymer film (8) is joined by the adhesive layer (12) and is joined to the other of the first polymer film (6) and the second polymer film (8) by another An adhesive layer (14) bonded functional layer (10) is arranged between the first glass sheet (2) and the second glass sheet (4) such that the first polymer film (6) and the first glass sheet The inner side surface (II) of (2) is arranged directly adjacent and the second polymer film (8) is arranged directly adjacent to the outer side surface (III) of the second glass sheet (4). 7.根据前述权利要求中任一项所述的方法，其中所述功能层(10)具有45μm至200μm，优选50μm至100μm的厚度。7. The method according to any one of the preceding claims, wherein the functional layer (10) has a thickness of 45 μm to 200 μm, preferably 50 μm to 100 μm. 8.根据前述权利要求中任一项所述的方法，其中所述功能层(10)包括聚合物膜，所述聚合物膜尤其具有微结构和/或包含纳米颗粒或微米颗粒。8. The method according to any one of the preceding claims, wherein the functional layer (10) comprises a polymer film, in particular having a microstructure and/or comprising nanoparticles or microparticles. 9.根据前述权利要求中任一项所述的方法，其中所述粘附层(12)和/或另一粘附层(14)包含胶粘剂，尤其持久粘附性的胶粘剂，尤其基于丙烯酸酯、聚氨酯或硅酮的胶粘剂。9 . The method according to claim 1 , wherein the adhesive layer ( 12 ) and/or the further adhesive layer ( 14 ) comprise an adhesive, in particular a durable adhesive adhesive, in particular based on acrylates 9 . , polyurethane or silicone adhesives. 10.根据前述权利要求中任一项所述的方法，其中在步骤(a)中提供时，所述第一玻璃板(2)的内侧表面(II)设有所述第一聚合物膜(6)，并且所述第二玻璃板(4)的外侧表面(III)设有所述第二聚合物膜(8)。10. The method according to any one of the preceding claims, wherein, when provided in step (a), the inner surface (II) of the first glass sheet (2) is provided with the first polymer film ( 6), and the outer surface (III) of the second glass plate (4) is provided with the second polymer film (8). 11.根据前述权利要求中任一项所述的方法，其中在步骤(b)和步骤(c)中，所述功能层(10)不与所述第一聚合物膜(6)和所述第二聚合物膜(8)在环绕的边缘区域中重叠，以使得在步骤(f)中，所述第一聚合物膜(6)和所述第二聚合物膜(8)在所述边缘区域中彼此熔合。11. The method according to any one of the preceding claims, wherein in steps (b) and (c), the functional layer (10) is not associated with the first polymer film (6) and the The second polymer film (8) overlaps in the surrounding edge region such that in step (f) the first polymer film (6) and the second polymer film (8) are at the edge fused to each other in the region. 12.根据权利要求1至11中任一项制造的复合玻璃板(1)，其包括：12. A composite glass panel (1) manufactured according to any one of claims 1 to 11, comprising: 第一玻璃板(2)，其具有外侧表面(I)和内侧表面(II)，其中所述第一玻璃板(2)的内侧表面(II)设有第一聚合物膜(6)，a first glass sheet (2) having an outer side surface (I) and an inner side surface (II), wherein the inner side surface (II) of said first glass sheet (2) is provided with a first polymer film (6), 第二玻璃板(4)，其具有外侧表面(III)和内侧表面(IV)，其中所述第二玻璃板(4)的外侧表面(III)设有第二聚合物膜(8)，a second glass sheet (4) having an outer side surface (III) and an inner side surface (IV), wherein the outer side surface (III) of said second glass sheet (4) is provided with a second polymer film (8), 功能层(10)，其在一面上设有粘附层(12)；a functional layer (10) provided on one side with an adhesive layer (12); 其中设有粘附层(12)的功能层(10)布置在第一聚合物膜(6)和第二聚合物膜(8)之间。The functional layer (10) in which the adhesive layer (12) is provided is arranged between the first polymer film (6) and the second polymer film (8). 13.根据权利要求12的复合玻璃板(1)，其中功能层(10)在另一面上设有另一粘附层(14)。13. The composite glass pane (1) according to claim 12, wherein the functional layer (10) is provided on the other side with a further adhesive layer (14). 14.根据权利要求12或13所述的复合玻璃板(1)，其中所述功能层(10)具有45 μm至200μm，优选50 μm至100 μm的厚度。14. The composite glass pane (1) according to claim 12 or 13, wherein the functional layer (10) has a thickness of 45 μm to 200 μm, preferably 50 μm to 100 μm. 15.根据权利要求12至14中任一项所述的复合玻璃板(1)作为运载工具玻璃或建筑物玻璃的用途。15. Use of the composite glass pane (1) according to any one of claims 12 to 14 as vehicle glass or building glass.
CN202180001702.XA 2020-04-07 2021-03-26 Method for manufacturing a composite glass panel and a composite glass panel Pending CN113795378A (en)

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