Laminated glass with high sealing performance

Abstract

The utility model provides laminated glass with high sealing performance, which belongs to the technical field of building materials and comprises a glass substrate, a PVB (polyvinyl butyral) laminated layer, spacing frames and a sealing adhesive layer, the PVB laminated layer is coated between two groups of glass of the glass substrate, the spacing frames are mounted on the edges of the inner sides of the two groups of glass of the glass substrate, and the sealing adhesive layer is arranged between the two groups of glass of the glass substrate. The edges of the two groups of glass outer layers of the glass substrate are coated with the sealing glue layers, the sealing glue layers are of a sandwich sealing structure formed by sequentially stacking the outer layers, the middle layers and the inner layers, the outer layers made of acrylic resin are good in anti-aging effect, and the middle layers made of nanometer aluminum oxide composite layers can effectively block water vapor. The whole sealing glue layer is in an inverted U shape, the outer layer of the sealing glue layer overflows outwards and wraps the edge of the glass substrate, the contact area and friction force between the sealing glue layer and the glass substrate can be increased, and therefore the sealing structure is not prone to being affected by ultraviolet rays / damp-heat aging, and the service life of the laminated glass sealing structure is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to building material technical field, especially a kind of laminated glass with strong sealing. BACKGROUND

[0002] Laminated glass is by two or more pieces of glass, between one or more layers of organic polymer interlayer film, after special high-temperature pre-pressing (or vacuum) and high-temperature high-pressure process, glass and interlayer film permanent bonding as a composite glass product;

[0003] It is found in actual use that the existing laminated glass has the following shortcomings:

[0004] Traditional PVB laminated glass edge is vulnerable to ultraviolet / hot and humid aging, leading to open glue, fog, affect the sealing effect of laminated glass, (annual failure rate is more than 3%), and, due to the large heat transfer coefficient of metal sealing strip, the thermal expansion coefficient of metal sealing strip and glass does not match, leading to the adhesive filling the gap between the two to be easily peeled off, deformation and air leakage after long-term use;

[0005] Therefore, the laminated glass with strong sealing is provided to meet the needs. SUMMARY

[0006] The utility model discloses a laminated glass with strong sealing to solve the problems in the prior art.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] A kind of laminated glass with strong sealing, comprising: glass substrate, PVB interlayer, spacer frame and sealant layer, PVB interlayer is coated between the two groups of glass of glass substrate, spacer frame is installed in the inner side edge of the two groups of glass of glass substrate, the outer layer edge of the two groups of glass of glass substrate is coated with sealant layer, the sealant layer is formed sandwich sealing structure by outer layer, intermediate layer and inner layer.

[0009] Preferably, the sealant layer is formed sandwich sealing structure by outer layer, intermediate layer and inner layer in turn.

[0010] Preferably, the outer layer is made of acrylic resin, the intermediate layer is made of nano-alumina composite layer, and the inner layer is made of elastic silicone rubber.

[0011] Preferably, the sealant layer is in the shape of inverted "U" as a whole, and the outer layer of the sealant layer overflows and wraps around the edge of the glass substrate.

[0012] Preferably, the spacer frame has a space between the two groups of glass of the glass substrate, and the sealant layer wraps around the outer end of the spacer frame from the upper end of the spacer frame.

[0013] Preferably, the inner layer overflows from the side of the spacer frame downwards and wraps at the outer end of the spacer frame.

[0014] Preferably, the sealant layer wraps at the outer end of the PVB laminated layer.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] In the above scheme, the two groups of glass outer layer edges of the glass substrate are coated with a sealant layer, the sealant layer is formed into a sandwich sealing structure by sequentially stacking an outer layer, an intermediate layer and an inner layer, the outer layer made of acrylic resin has good anti-aging effect, the intermediate layer made of a nano-alumina composite layer can effectively block water vapor, the sealant layer as a whole has an inverted "U" shape, and the outer layer of the sealant layer overflows outward and wraps at the edge of the glass substrate, which can increase the contact area and friction between the sealant layer and the glass substrate, so that the sealant layer is not easily affected by ultraviolet light / hot and humid aging, and the service life of the laminated glass sealing structure is effectively improved.

[0017] In the above scheme, the inner layer made of elastic silicone rubber can compensate for thermal stress deformation, the inner layer overflows from the side of the spacer frame downwards and wraps at the outer end of the spacer frame, the gap between the glass substrate and the spacer frame is blocked, the thermal expansion coefficient of the metal spacer frame and the glass is more matched, the spacer frame is not easily deformed and leaks after long-term use, the sealant peeling off due to heat conduction between the glass substrate and the spacer frame is prevented, the integrity of the seal is ensured, and the utility model is especially suitable for harsh environments such as high humidity and large temperature difference. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable a person skilled in the relevant art to implement and use the present disclosure.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the specific structure of the spacer frame of the utility model;

[0021] Figure 3 It is a schematic diagram of the cross section of the sealant layer of the utility model;

[0022] Figure 4 It is a schematic diagram of the Figure 1 It is a schematic diagram of the enlarged structure of A.

[0023] [Reference signs]

[0024] 1-glass substrate; 2-PVB interlayer; 3-spacer frame; 4-sealant layer; 401-outer layer; 402-intermediate layer; 403-inner layer.

[0025] As shown in the drawings, in order to clearly realize the structure of the embodiments of the utility model, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the utility model in the specific structure, device and environment, and the ordinary skilled in the art can adjust or modify these devices and environment according to specific needs, and the adjustment or modification still includes in the range of the appended claims. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] As Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model discloses a kind of interlayer glass with strong sealing, and embodiments provide, comprising: glass substrate 1, PVB interlayer 2, spacer frame 3 and sealant layer 4, PVB interlayer 2 is coated between the two groups of glass of glass substrate 1, spacer frame 3 is installed in the inner side edge of the two groups of glass of glass substrate 1, the outer layer edge of the two groups of glass of glass substrate 1 is coated with sealant layer 4, and sealant layer 4 is formed by outer layer 401, intermediate layer 402 and inner layer 403.

[0029] In the embodiment, sealant layer 4 is formed into sandwich seal structure by outer layer 401, intermediate layer 402 and inner layer 403 in turn.

[0030] In the embodiment, the outer layer 401 is made of acrylic resin, the middle layer 402 is made of a nano-aluminum oxide composite layer, and the inner layer 403 is made of elastic silicone rubber. The outer layer 401 made of acrylic resin has good anti-aging effect, the middle layer 402 made of a nano-aluminum oxide composite layer can effectively block water vapor, and the inner layer 403 made of elastic silicone rubber can compensate for thermal stress deformation and prevent the sealing failure caused by the peeling of the sealant due to heat conduction between the glass substrate 1 and the spacer frame 3, thereby ensuring the integrity of the seal.

[0031] In the embodiment, the sealant layer 4 has an inverted "U" shape as a whole, and the outer layer 401 of the sealant layer 4 is wrapped at the edge of the glass substrate 1, which can improve the contact area and friction between the sealant layer 4 and the glass substrate 1, and make the sealing effect better.

[0032] In the embodiment, the spacer frame 3 has a gap between the two groups of glass, and the sealant layer 4 is wrapped at the outer end of the spacer frame 3 from the upper end of the spacer frame 3.

[0033] In the embodiment, the inner layer 403 is wrapped at the outer end of the spacer frame 3 from the side of the spacer frame 3, which can block the gap between the glass substrate 1 and the spacer frame 3, and make the sealing of the inner layer 403 and the spacer frame 3 more stable.

[0034] In the embodiment, the sealant layer 4 is wrapped at the outer end of the PVB interlayer 2.

[0035] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiment of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit are not explained in detail.

[0036] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A laminated glass having high sealing property, characterized by, The application relates to a glass substrate (1), a PVB interlayer (2), a spacer frame (3) and a sealant layer (4), wherein the PVB interlayer (2) is coated between two groups of glass of the glass substrate (1), the spacer frame (3) is mounted on the inner side edges of the two groups of glass of the glass substrate (1), and the outer edge of the two groups of glass of the glass substrate (1) is coated with the sealant layer (4), which is composed of an outer layer (401), an intermediate layer (402) and an inner layer (403). The sealant layer (4) is formed into a sandwich seal structure by sequentially stacking the outer layer (401), the intermediate layer (402) and the inner layer (403).

2. The sealed laminated glass according to claim 1, wherein: The outer layer (401) is made of acrylic resin, the intermediate layer (402) is made of a nano-alumina composite layer, and the inner layer (403) is made of elastic silicone rubber.

3. The sealed laminated glass according to claim 1, wherein: The sealant layer (4) is in the shape of an inverted "U" as a whole, and the outer layer (401) of the sealant layer (4) is wrapped outward at the edge of the glass substrate (1).

4. The sealed laminated glass according to claim 1, wherein: The spacer frame (3) has a space between the two groups of glass of the glass substrate (1), and the sealant layer (4) is wrapped at the outer end of the spacer frame (3) from the upper end of the spacer frame (3).

5. The sealed laminated glass according to claim 1, wherein: The inner layer (403) is overflowed from the side of the spacer frame (3) and wrapped at the outer end of the spacer frame (3).

6. The sealed laminated glass according to claim 1, wherein: The sealant layer (4) is wrapped at the outer end of the PVB interlayer (2).

7. The sealed laminated glass according to claim 1, wherein: ​

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