CN219079386U

CN219079386U - Packaging adhesive film

Info

Publication number: CN219079386U
Application number: CN202320046036.8U
Authority: CN
Inventors: 杨嘉承; 刘妮坤; 许佳洁; 戚绿秧; 张地长
Original assignee: Zhejiang Xiangbang Technology Co ltd
Current assignee: Zhejiang Xiangbang Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-05-26
Anticipated expiration: 2033-01-05

Abstract

The utility model relates to the technical field of adhesive films, in particular to a packaging adhesive film which comprises an adhesive film body positioned in a grid line of a battery piece, wherein the adhesive film body covers the surface of the grid line of the battery piece, embossing patterns connected with the adhesive film body are arranged in the adhesive film body, and an anti-slip piece used for preventing the adhesive film body positioned on the surface of the grid line of the battery piece from slipping is also arranged in the adhesive film body. This encapsulation glued membrane, the effectual problem of having solved among the prior art has realized increasing the adhesive force of glued membrane body, avoids the glued membrane body to produce the phenomenon of sliding when rolling, and has further reduced the easy problem of producing the adhesion with the rubber roll of encapsulation glued membrane to the yields have been ensured.

Description

Packaging adhesive film

Technical Field

The utility model relates to the technical field of adhesive films, in particular to a packaging adhesive film.

Background

The packaging adhesive film is a core auxiliary material in the photovoltaic field, plays a role in bonding the substrate and the battery piece, and bonds the substrate and the battery piece together to form the photovoltaic module. The production of common packaging adhesive films generally requires the steps of melt extrusion, embossing roller pressing, cooling stripping and the like.

The production of common packaging adhesive films generally requires the steps of melt extrusion, embossing roller pressing, cooling stripping and the like. However, the adhesive film produced by the steps of melting the base and the like has insufficient connection strength, and particularly, the adhesive film is usually subjected to embossing and glue rolling treatment to form patterns on the surface of the adhesive film. However, such embossing treatment packaging adhesive film directly contacts with the rubber roller, and the problem that the packaging adhesive film is easy to adhere to the rubber roller during embossing treatment is also very easy to generate slipping phenomenon, and when part of packaging adhesive film is installed, the packaging adhesive film is easy to deform due to the reasons of materials, so that the subsequent installation is affected.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a packaging adhesive film which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the packaging adhesive film comprises an adhesive film body positioned in a grid line of a battery piece, wherein the adhesive film body covers the surface of the grid line of the battery piece, embossing patterns connected with the adhesive film body are arranged in the adhesive film body, and an anti-slip piece used for preventing the adhesive film body positioned on the surface of the grid line of the battery piece from slipping is further arranged in the adhesive film body.

Preferably, the adhesive film body and the embossing patterns are convex at the same time, and the highest embossing surface when the adhesive film body is convex and the highest embossing surface when the embossing patterns are convex are distributed on the same horizontal plane;

or alternatively, the first and second heat exchangers may be,

the adhesive film body and the embossing patterns are concave at the same time, and the lowest embossing surface when the adhesive film body is concave and the lowest embossing surface when the embossing patterns are concave are distributed on the same horizontal plane;

the embossing patterns are irregularly and transversely distributed on the surface of the adhesive film body.

Preferably, the embossing pattern is composed of irregular longitudinal embossing units, wherein the irregular longitudinal embossing units are continuously and irregularly longitudinally arranged and distributed in a staggered interval mode.

Preferably, the shape of the embossed pattern is a zigzag shape, a T-shape or a bar shape.

Preferably, the adhesive film body comprises a main adhesive film, a reinforcing layer connected with the main adhesive film is arranged on the main adhesive film, and an antioxidant layer is arranged on the surface of the reinforcing layer.

Preferably, the reinforcing layer is a honeycomb adhesive film, and the antioxidation layer is an EVA/GO nanocomposite film. The honeycomb adhesive film can be made of PP material and has the functions of: the processing is convenient, the hot-pressing temperature of the PP honeycomb layer is similar to that of the EVA adhesive film layer, and hot-pressing molding is not required to be carried out at other set temperatures; the PP honeycomb layer is made of PP material, has a color similar to that of the EVA adhesive film layer, and is attractive; the honeycomb layer has stronger mechanical bearing performance and tensile resistance, effectively improves the performance of the composite adhesive film, prolongs the service life, and effectively improves the flexibility of the adhesive film body through the arrangement of the honeycomb adhesive film, thereby avoiding affecting the subsequent use. The EVA/GO nano composite film prepared by using the graphene oxide has a good waterproof structure and no permeability to oxygen, so that the ageing resistance is improved, the polar groups of the graphene oxide interact with vinyl acetate groups, and the interface cohesiveness is improved.

Preferably, the anti-skid part is an anti-skid pattern, the anti-skid pattern is continuously and irregularly arranged on the bottom surface of the adhesive film body in a transverse direction, and an irregularly-shaped frosted surface is further arranged on the anti-skid pattern.

Preferably, the shape of the anti-skid pattern is an X-shaped shape, a Y-shaped shape or a Z-shaped shape.

Preferably, the irregular longitudinal embossing unit is composed of two irregular embossing surfaces which are distributed in an irregular arrangement, the distance between the two irregular embossing surfaces which are distributed in a staggered interval mode is 5mm-19mm, the distance between the two longitudinally arranged irregular embossing surfaces is 6mm-18mm, the height of the embossing pattern when protruding and sinking is 0.05 mm-0.5mm, the angle of the irregular embossing surfaces is 0 degrees or 180 degrees, and the two irregular embossing surfaces which are distributed in a staggered interval mode are in a parallel state.

Preferably, the distance between two irregularly embossed surfaces which are distributed in a staggered and spaced manner is 10.9mm, the distance between two irregularly embossed surfaces which are longitudinally arranged is 11mm, and the height of the embossed pattern when protruding and sinking is 0.25mm.

This encapsulation glued membrane, the effectual problem of having solved among the prior art has realized increasing the adhesive force of glued membrane body, avoids the glued membrane body to produce the phenomenon of sliding when rolling, and has further reduced the easy problem of producing the adhesion with the rubber roll of encapsulation glued membrane to the yields have been ensured.

Drawings

FIG. 1 is a schematic top view of a film body of the present utility model;

FIG. 2 is a schematic side view of the adhesive film body of the present utility model;

FIG. 3 is a schematic view of the structure of the embossed pattern of the present utility model;

FIG. 4 is a schematic view of the embossed pattern of the present utility model when it is depressed;

fig. 5 is a schematic view of the bottom structure of the adhesive film body of the present utility model.

In the figure: 1. a film body; 2. embossing patterns; 3. irregular longitudinal embossing units; 4. a main adhesive film; 5. a reinforcing layer; 6. an oxidation resistant layer; 7. an anti-skid pattern; 8. a frosted surface; 9. an irregularly embossed face; 10. an anti-slip member.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 5, the present utility model provides a technical solution: an encapsulation adhesive film, an adhesive film body 1 in a grid line of a battery piece, wherein the adhesive film body 1 covers the surface of the grid line of the battery piece, an embossing pattern 2 connected with the adhesive film body 1 is arranged in the adhesive film body 1, an anti-slip piece 10 used for preventing the adhesive film body 1 on the surface of the grid line of the battery piece from slipping is also arranged in the adhesive film body 1, the anti-slip piece 10 is an anti-slip pattern 7, the anti-slip pattern 7 is continuously and irregularly arranged and distributed on the bottom surface of the adhesive film body 1 in a transverse direction, an irregularly shaped frosted surface 8 is also arranged on the anti-slip pattern 7, the shape of the anti-slip pattern 7 is in an X-shaped, Y-shaped or Z-shaped shape, an irregularly longitudinal embossing unit 3 consists of two irregularly arranged and distributed irregular embossing surfaces 9, the distance between two irregularly arranged embossed surfaces 4 in a staggered interval mode is 5mm-19mm, the distance between two longitudinally arranged irregularly arranged embossed surfaces 9 is 6mm-18mm, the height of the embossed pattern 2 when protruding and sinking is 0.05-mm.5 mm, the angle of the irregularly arranged embossed surfaces 9 is 0 degree or 180 degrees, the irregularly arranged embossed surfaces 9 in a staggered interval mode are in a parallel state, the distance between the irregularly arranged embossed surfaces 9 in a staggered interval mode is 10.9mm, the distance between the longitudinally arranged irregularly arranged embossed surfaces 9 is 11mm, the height of the embossed pattern 2 when protruding and sinking is 0.25mm, the adhesive film body 1 and the embossed pattern 2 are convex at the same time, and the highest embossed surface of the adhesive film body 1 when protruding and the highest embossed surface of the embossed pattern 2 are in the same horizontal plane; or the adhesive film body 1 and the embossing pattern 2 are concave at the same time, and the lowest embossing surface of the adhesive film body 1 when the embossing pattern 2 is concave and the lowest embossing surface of the adhesive film body when the embossing pattern 2 is concave are distributed on the same horizontal plane;

the embossing patterns 2 are distributed on the surface of the adhesive film body 1 in an irregular transverse arrangement mode, the embossing patterns 2 are formed by irregular longitudinal embossing units 3, the irregular longitudinal embossing units 3 are distributed in a continuous irregular longitudinal arrangement mode and in a staggered interval mode, the shape of the embossing patterns 2 is in a reverse-U-shaped shape, a T-shaped shape or a bar-shaped shape, the adhesive film body 1 comprises a main adhesive film 4, a reinforcing layer 5 connected with the main adhesive film 4 is arranged on the main adhesive film 4, an antioxidant layer 6 is arranged on the surface of the reinforcing layer 5, the reinforcing layer 5 is a honeycomb adhesive film, and the antioxidant layer 6 is an EVA/GO nano composite film.

In the description of the present specification, the terms "connected," "mounted," "fixed," "disposed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection or an indirect connection via an intermediate assembly without affecting the relationship of components and technical effects, or may be an integral connection or a partial connection, as in the case of this example, and as will be apparent to those skilled in the art, the specific meaning of the terms in the present utility model or the utility model may be understood in the specific case.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a packaging glued membrane, includes glued membrane body (1) that are arranged in the grid line of battery piece, glued membrane body (1) covers to the surface of the grid line of battery piece, its characterized in that: be equipped with in glued membrane body (1) with glued membrane body (1) continuous knurling decorative pattern (2), still be equipped with in glued membrane body (1) and be used for preventing glued membrane body (1) that are located the surface of the grid line of battery piece from producing skid resistant course (10), glued membrane body (1) are including main glued membrane (4), be equipped with on main glued membrane (4) with main glued membrane (4) continuous enhancement layer (5), the surface of enhancement layer (5) is equipped with antioxidation layer (6), enhancement layer (5) are cellular glued membrane, antioxidation layer (6) are EVA/nanometer complex film, skid resistant course (10) are skid resistant course (7), skid resistant course (7) are continuous irregularly form transverse arrangement and distribute in the bottom surface of glued membrane body (1), skid resistant course (7) are last to be equipped with irregularly shaped frosting (8), the shape of skid resistant course (7) is X style of calligraphy shape, Y style of calligraphy shape or Z style of calligraphy shape.

2. The packaging film according to claim 1, wherein: the adhesive film body (1) and the embossed patterns (2) are convex at the same time, and the highest embossed surface when the adhesive film body (1) is convex and the highest embossed surface when the embossed patterns (2) are convex are distributed on the same horizontal plane;

or alternatively, the first and second heat exchangers may be,

the adhesive film body (1) and the embossing patterns (2) are concave at the same time, and the lowest embossing surface of the adhesive film body (1) when the embossing patterns (2) are concave is distributed on the same horizontal plane;

the embossing patterns (2) are irregularly and transversely distributed on the surface of the adhesive film body (1).

3. The packaging film according to claim 2, wherein: the embossing pattern (2) consists of irregular longitudinal embossing units (3), wherein the irregular longitudinal embossing units (3) are continuously and irregularly longitudinally arranged and distributed in a staggered interval mode.

4. A packaging film according to claim 3, wherein: the embossing pattern (2) is in a shape of a Chinese character 'hui', a T-shape or a bar.

5. The packaging film of claim 4, wherein: the irregular longitudinal embossing unit (3) is composed of two irregular embossing surfaces (9) which are distributed in an irregular arrangement mode, the distance between the two irregular embossing surfaces (9) which are distributed in a staggered interval mode is 5mm-19mm, the distance between the two irregular embossing surfaces (9) which are longitudinally arranged is 6mm-18mm, the height of the embossing pattern (2) when the embossing pattern is raised and recessed is 0.05 mm-0.5mm, the angle of the irregular embossing surfaces (9) is 0 degree or 180 degrees, and the two irregular embossing surfaces (9) which are distributed in a staggered interval mode are in a parallel state.

6. The packaging film according to claim 5, wherein: the distance between the two irregularly embossed surfaces (9) which are distributed in a staggered and interval mode is 10.9mm, the distance between the two irregularly embossed surfaces (9) which are longitudinally arranged is 11mm, and the height of the embossed pattern (2) when the embossed pattern is raised and depressed is 0.25mm.