CN205528574U - Two -sided banding sticky tape among embedding solar energy dual glass assembly - Google Patents

Abstract

The utility model discloses a two -sided banding sticky tape among embedding solar energy dual glass assembly includes a releasing material layer, first glue film, substrate layer, second glue film, the 2nd releasing material layer from bottom to top, wherein in proper order the substrate layer is foam layer, first glue film is modified butyl rubber layer, a releasing material layer is for leaving type paper material layer or leaving type membrane material layer. Adopt modified butyl rubber obviously to be better than traditional bubble celloidin area, the solar energy dual glass assembly's that laminates more application demand as glue film, its block -water performance, electrical insulation and resistant voltinism.

Description

A double-sided edge-sealing tape embedded in a solar double-glass module

technical field

The utility model relates to the technical field of solar modules, in particular to a double-sided edge-sealing adhesive tape embedded in a solar double-glass module.

Background technique

Solar photovoltaic power generation has many advantages, such as safety and reliability, no noise, no pollution, energy available everywhere, no geographical restrictions, no need to consume fuel, no mechanical rotating parts, low failure rate, easy maintenance, unattended construction period Short, random in size, no need to set up transmission lines, and can be easily combined with buildings, etc. These advantages are beyond the reach of conventional power generation and other power generation methods. However, due to physical and chemical defects such as thinness, brittleness, and easy oxidation of solar cells, long-term exposure to natural conditions such as high humidity, high temperature, low temperature, strong ultraviolet rays, ozone, microorganisms, and wind and rain can easily cause water permanent damage, and it is difficult to Scale application. Therefore, in order to realize the industrialized application of solar power generation, especially to achieve a service life of more than 20 years, protective packaging is required to form a solar cell module with stable performance. At present, the existing edge banding tapes generally use foam tapes and polyacrylate glues, which do not have outstanding water resistance, poor electrical insulation and chemical resistance.

Therefore, the inventor of the utility model urgently needs to conceive a new technology to improve its problem.

Utility model content

The utility model aims to provide a double-sided edge-sealing adhesive tape embedded in a solar double-glass module, which has better water-blocking performance, electrical insulation and chemical resistance.

For solving the problems of the technologies described above, the technical solution of the utility model is:

A double-sided edge-sealing adhesive tape embedded in a solar double-glass module, which sequentially includes a first release material layer, a first adhesive layer, a base material layer, and a second adhesive layer from bottom to top, wherein the base material layer is hair foam material layer; the first adhesive layer and/or the second adhesive layer is a modified butyl rubber layer, and the first release material layer is a release paper material layer or a release film material layer.

Preferably, the first release material layer is a double-sided release material.

Preferably, it also includes a second release material layer, the second release material layer is arranged above the second adhesive layer, and the second release material layer is a release paper material layer or a release film material layer.

Preferably, both the first release material layer and the second release material layer are single-sided release material layers.

Preferably, the substrate layer is one of a PE foam layer, a PU foam layer, a PVC foam layer, and an EPDM foam layer.

By adopting the above-mentioned technical scheme, the utility model at least includes the following beneficial effects:

The double-sided edge-sealing adhesive tape embedded in the solar double-glass module described in the utility model adopts modified butyl rubber as the adhesive layer, and its water blocking performance, electrical insulation and chemical resistance are obviously better than the traditional foam adhesive tape. It is more suitable for the application requirements of solar double glass modules.

Description of drawings

Fig. 1 is the structural representation of the double-sided edge sealing adhesive tape embedded in the solar double-glass module described in embodiment 1;

Fig. 2 is a schematic structural view of the double-sided edge sealing tape embedded in the solar double-glass module described in Example 2.

Among them: 1. The first release material layer, 2. The first adhesive layer, 3. The substrate layer, 4. The second adhesive layer, 5. The second release material layer.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1

As shown in Figure 1, a double-sided edge-sealing tape embedded in a solar double-glass module according to this embodiment includes a first release material layer 1, a first adhesive layer 2, a base material layer 3, the second adhesive layer 4, wherein said base material layer 3 is a foam material layer, preferably PE foam material layer, PU foam material layer, PVC foam material layer, EPDM foam material layer One, the thickness is between 400-600um; the first adhesive layer 2 and/or the second adhesive layer 4 is a modified butyl rubber layer, and its thickness is between 50-150um. Modified butyl rubber is a conventional material in the prior art, such as high damping modified butyl rubber. In a preferred embodiment, high damping modified butyl rubber is used as the rubber layer material, so that the whole has excellent damping Shock cushioning performance and water resistance performance. In another preferred embodiment, the modified butyl rubber is mainly based on butyl rubber, adding EPDM, isobutylene rubber, neoprene, and adding tackifying resin to increase viscosity, ensuring the cohesive force On the basis of improving the overall water resistance, electrical insulation and chemical resistance.

The first release material layer 1 is a release paper material layer or a release film material layer, and is a double-sided release material. The peeling force between the first release material layer 1 and the first adhesive layer 2 is between 10-18N/25mm, and the peeling force is uniform and moderate, which can well protect the inner substrate layer 3, At the same time, it also ensures the convenience in use. The setting of the above data is for the solar double-glass module. When encapsulating the solar double-glass module, it can have good water-blocking performance (its water-blocking performance is excellent, WVTR<2g/m2day), electrical insulation and chemical resistance.

Wherein the release paper material layer is preferably silicone oil paper. Silicone oil paper has a three-layer structure, the first layer is backing paper, the second layer is laminating film, and the third layer is silicone oil, which has the characteristics of high temperature resistance, moisture resistance and oil resistance. The material layer of the release film includes a release coating, a PET film and a polyester film, the release coating is coated on the upper and lower surfaces of the PET film, and the polyester film is compounded on the outside of the release coating. The release coating is coated on the upper and lower surfaces of the PET film, so that the peeling force of the PET release film is more uniform and the strength is increased; the polyester film is compounded on the outside of the PET film, so that the PET release film has good smoothness, strong shading rate, and durability The thermal effect is better.

In a preferred embodiment, a plurality of protrusions are evenly provided on the side of the first release material layer 1 facing the first adhesive layer 2, and a side of the second release material layer 5 facing the second A plurality of protrusions are uniformly arranged on one side of the adhesive layer 4 . One of the two release material layers is designed to be evenly distributed on the surface, and when this surface faces the adhesive layer, the surface of the adhesive layer will form a grid and become uneven. The conforming surface produces air bubbles that are difficult to expel.

The double-sided edge-sealing tape embedded in the solar double-glass module described in this embodiment uses modified butyl rubber as the adhesive layer, and its water resistance, electrical insulation and chemical resistance are significantly better than traditional foam tapes. It is more suitable for the application requirements of solar double glass modules.

Example 2

As shown in Figure 2, a double-sided edge-sealing tape embedded in a solar double-glass module according to this embodiment includes a first release material layer 1, a first adhesive layer 2, a base The material layer 3, the second adhesive layer 4, and the second release material layer 5, the first release material layer 1, and the second release material layer 5 are release paper material layers or release film material layers. Wherein the base material layer 3 is a foam material layer, preferably one of PE foam material layer, PU foam material layer, PVC foam material layer, and EPDM foam material layer, with a thickness between 400-600um ; The first adhesive layer 2 and/or the second adhesive layer 4 is a modified butyl rubber layer, and its thickness is between 50-150um. Modified butyl rubber is a conventional material in the prior art, such as high damping modified butyl rubber. In a preferred embodiment, high damping modified butyl rubber is used as the rubber layer material, so that the whole has excellent damping Shock cushioning performance and water resistance performance. In another preferred embodiment, the modified butyl rubber is mainly based on butyl rubber, adding EPDM, isobutylene rubber, neoprene, and adding tackifying resin to increase viscosity, ensuring the cohesive force On the basis of improving the overall water resistance, electrical insulation and chemical resistance.

The first release material layer 1 and the second release material layer 5 are release paper material layers or release film material layers, and are single-sided release materials. The peeling force between the first release material layer 1 and the first adhesive layer 2 is between 10-15g/25mm, the second release material layer 5 and the second adhesive layer 4 The peeling force between them is between 30-35g25mm, and the peeling force is uniform and moderate, which can not only protect the inner substrate layer 3 well, but also ensure the convenience during use. The setting of the above data is for the solar double-glass module. When encapsulating the solar double-glass module, it can have good water-blocking performance (its water-blocking performance is excellent, WVTR<2g/m2day), electrical insulation and chemical resistance.

The release paper material layer is preferably silicone oil paper. Silicone oil paper has a three-layer structure, the first layer is backing paper, the second layer is laminating film, and the third layer is silicone oil, which has the characteristics of high temperature resistance, moisture resistance and oil resistance. The material layer of the release film includes a release coating, a PET film and a polyester film, the release coating is coated on the upper and lower surfaces of the PET film, and the polyester film is compounded on the outside of the release coating. The release coating is coated on the upper and lower surfaces of the PET film, so that the peeling force of the PET release film is more uniform and the strength is increased; the polyester film is compounded on the outside of the PET film, so that the PET release film has good smoothness, strong shading rate, and durability The thermal effect is better.

In a preferred embodiment, a plurality of protrusions are evenly provided on the side of the first release material layer 1 facing the first adhesive layer 2, and a side of the second release material layer 5 facing the second A plurality of protrusions are uniformly arranged on one side of the adhesive layer 4 . One of the two release material layers is designed to be evenly distributed on the surface, and when this surface faces the adhesive layer, the surface of the adhesive layer will form a grid and become uneven. The conforming surface produces air bubbles that are difficult to expel.

The double-sided edge-sealing tape embedded in the solar double-glass module described in this embodiment uses modified butyl rubber as the adhesive layer, and its water resistance, electrical insulation and chemical resistance are significantly better than traditional foam tapes. It is more suitable for the application requirements of solar double glass modules.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. the two-sided edge sealing adhesive tape embedded in solar energy solar double-glass assemblies, it is characterised in that: including the first separated type material layer, the first glue-line, substrate layer, the second glue-line the most successively, wherein said substrate layer is foamed material layer；Described first glue-line and/or described second glue-line are modified butyl rubber layer, and described first separated type material layer is release paper material layer or release membrane layers, and wherein said release paper material layer is silicone oil paper, silicone oil paper has three-layer structure, ground floor base stock, the second layer is film, and third layer is silicone oil；Described release membrane layers includes that, from shape coating, PET film and mylar, described release coating is coated on PET film upper and lower surface, and mylar is compound in outside shape coating；And it is uniformly provided with multiple projection in the one side towards described first glue-line of described first separated type material layer.

2. the two-sided edge sealing adhesive tape embedded in solar energy solar double-glass assemblies as claimed in claim 1, it is characterised in that: described first separated type material layer is two-sided separated type material.

3. the two-sided edge sealing adhesive tape embedded in solar energy solar double-glass assemblies as claimed in claim 1, it is characterized in that: also include the second separated type material layer, described second separated type material layer is arranged on the top of described second glue-line, and described second separated type material layer is release paper material layer or release membrane layers.

4. the two-sided edge sealing adhesive tape embedded in solar energy solar double-glass assemblies as claimed in claim 3, it is characterised in that: described first separated type material layer and described second separated type material layer are one side separated type material layer.

5. the two-sided edge sealing adhesive tape embedded in solar energy solar double-glass assemblies as described in claim 1-4 is arbitrary, it is characterised in that: described substrate layer is the one in PE foamed material layer, PU foamed material layer, PVC foam material layer, EPDM foamed material layer.