Multi-layer bubble aluminum foil composite film

Abstract

The utility model discloses a multilayer bubble aluminum foil composite film which comprises a polyethylene base layer, a first bubble layer is attached to the top of the polyethylene base layer, the first bubble layer is connected with the polyethylene base layer, a first aluminum foil layer is attached to the top of the first bubble layer, the first bubble layer is connected with the first aluminum foil layer, and the second bubble layer is connected with the second aluminum foil layer. A second bubble layer is attached to the bottom of the polyethylene base layer, and a second aluminum foil layer is attached to the bottom of the second bubble layer. The multilayer bubble aluminum foil composite film is provided with the polyethylene base layer, the bubble layer I and the bubble layer II, and the polyethylene base layer is prepared from the linear low-density polyethylene layer, the high-density polyethylene layer and the chlorinated polyethylene layer, so that the linear low-density polyethylene layer has better tensile strength, impact resistance and puncture resistance; meanwhile, the high-density polyethylene layer has an excellent chemical corrosion resistance effect and a good moisture-proof effect, and the overall damping effect is improved through the design of the first bubble layer and the second bubble layer.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum foil composite films, in particular to a multi-layer bubble aluminum foil composite film. Background Art

[0002] Aluminum foil composite bubble film is a kind of thermal insulation material widely used in flexible packaging, building materials industry or thermal insulation packaging. It is generally made of multiple layers of aluminum foil film and bubble film superimposed on each other.

[0003] The utility model patent with publication number CN203818671U discloses a flame-retardant aluminum foil composite bubble film. The middle layer of the flame-retardant aluminum foil composite bubble film is a polyethylene bubble layer made using a nano-flame-retardant particle process. A flame-retardant layer is attached to the upper and lower surfaces of the polyethylene bubble layer, respectively. A woven cloth layer made of threads or thin strips of polymer material is attached to the outer surface of one of the flame-retardant layers, with a thickness of 10-100 microns. An aluminum film layer is attached to the outer surfaces of the other flame-retardant layer and the woven cloth layer.

[0004] However, there are still certain deficiencies in the above technical solution: the above technical solution adopts a single-layer bubble film and a double-sided aluminum film and a flame retardant layer, but the bubble aluminum foil composite film produced in this way has poor puncture resistance and general shock absorption effect. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-layer bubble aluminum foil composite film to solve the problems raised in the above background technology that the current bubble aluminum foil composite film has poor puncture resistance and general shock absorption effect.

[0006] To achieve the above purpose, the present invention provides the following technical solutions: a multi-layer bubble aluminum foil composite film, comprising a polyethylene base layer,

[0007] A bubble layer 1 is attached to the top of the polyethylene base layer, and the bubble layer 1 is connected to the polyethylene base layer. An aluminum foil layer 1 is attached to the top of the bubble layer 1, and the bubble layer 1 is connected to the aluminum foil layer 1. A bubble layer 2 is attached to the bottom of the polyethylene base layer, and the bubble layer 2 is connected to the polyethylene base layer. An aluminum foil layer 2 is attached to the bottom of the bubble layer 2, and the bubble layer 2 is connected to the aluminum foil layer 2.

[0008] By adopting the above technical solution, the bubble layer 1 and the bubble layer 2 improve the compression and shock resistance of the overall membrane.

[0009] As a further solution of the present invention: an adhesive layer 1 is provided between the bubble layer 1 and the aluminum foil layer 1, and the bubble layer 1 and the aluminum foil layer 1 are connected via the adhesive layer 1.

[0010] By adopting the above technical solution, the connection effect between the bubble layer 1 and the aluminum foil layer 1 is improved.

[0011] As a further solution of the present invention: a second adhesive layer is provided between the second bubble layer and the second aluminum foil layer, and the second bubble layer and the second aluminum foil layer are connected via the second adhesive layer.

[0012] By adopting the above technical solution, the connection effect between the second bubble layer and the second aluminum foil layer is improved.

[0013] As a further solution of the present invention: the polyethylene base layer includes a linear low-density polyethylene layer, the bottom of the linear low-density polyethylene layer is laminated with a high-density polyethylene layer, and the bottom of the high-density polyethylene layer is laminated with a chlorinated polyethylene layer.

[0014] By adopting the above technical solution, it is convenient to utilize different polyethylenes to improve the performance of the overall polyethylene base layer.

[0015] As a further solution of the present invention: the thicknesses of the polyethylene base layer, bubble layer one, bubble layer two, aluminum foil layer one and aluminum foil layer two are 10 μm, 15 μm, 15 μm, 13 μm and 13 μm respectively, and the thicknesses of the linear low-density polyethylene layer, high-density polyethylene layer and chlorinated polyethylene layer are 3 μm, 4 μm and 3 μm respectively.

[0016] By adopting the above technical solution, the post-processing control of the film can be achieved.

[0017] Compared with the prior art, the beneficial effects of the present invention are: the multi-layer bubble aluminum foil composite film,

[0018] A polyethylene base layer, bubble layer one and bubble layer two are provided. Since the polyethylene base layer is made of a linear low-density polyethylene layer, a high-density polyethylene layer and a chlorinated polyethylene layer, the linear low-density polyethylene layer has better tensile strength, impact resistance and puncture resistance. At the same time, the high-density polyethylene layer has excellent chemical corrosion resistance and good moisture-proof effect. The design of bubble layer one and bubble layer two improves the overall shock absorption effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the polyethylene base layer of the present invention.

[0021] In the figure: 1, polyethylene base layer; 2, bubble layer 1; 3, bubble layer 2; 4, aluminum foil layer 1; 5, aluminum foil layer 2; 6, adhesive layer 1; 7, adhesive layer 2; 101, linear low-density polyethylene layer; 102, high-density polyethylene layer; 103, chlorinated polyethylene layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-2 The utility model provides a technical solution: a multi-layer bubble aluminum foil composite film, including a polyethylene base layer 1,

[0024] A bubble layer 2 is attached to the top of the polyethylene base layer 1, and the bubble layer 2 is connected to the polyethylene base layer 1. An aluminum foil layer 4 is attached to the top of the bubble layer 2, and the bubble layer 2 is connected to the aluminum foil layer 4. A bubble layer 2 is attached to the bottom of the polyethylene base layer 1, and the bubble layer 23 is connected to the polyethylene base layer 1. An aluminum foil layer 2 is attached to the bottom of the bubble layer 3, and the bubble layer 23 is connected to the aluminum foil layer 25.

[0025] See also Figure 1 Furthermore, an adhesive layer 6 is provided between the bubble layer 2 and the aluminum foil layer 4 , and the bubble layer 2 and the aluminum foil layer 4 are connected via the adhesive layer 6 .

[0026] See also Figure 1 Furthermore, an adhesive layer 2 7 is provided between the bubble layer 2 3 and the aluminum foil layer 2 5 , and the bubble layer 2 3 and the aluminum foil layer 2 5 are connected via the adhesive layer 2 7 ;

[0027] Specifically, the first adhesive layer 6 and the second adhesive layer 7 are adhesive resins.

[0028] See also Figure 2 Furthermore, the polyethylene base layer 1 includes a linear low-density polyethylene layer 101 , a high-density polyethylene layer 102 is attached to the bottom of the linear low-density polyethylene layer 101 , and a chlorinated polyethylene layer 103 is attached to the bottom of the high-density polyethylene layer 102 .

[0029] See also Figure 1 and Figure 2 Furthermore, the thicknesses of the polyethylene base layer 1, the bubble layer 1 2, the bubble layer 2 3, the aluminum foil layer 1 4, and the aluminum foil layer 2 5 are 10 μm, 15 μm, 15 μm, 13 μm, and 13 μm, respectively; and the thicknesses of the linear low-density polyethylene layer 101, the high-density polyethylene layer 102, and the chlorinated polyethylene layer 103 are 3 μm, 4 μm, and 3 μm, respectively;

[0030] Specifically, the outer sides of the aluminum foil layer 1 4 and the aluminum foil layer 2 5 may be sprayed with an anti-slip coating.

[0031] Working principle: When using the multi-layer bubble aluminum foil composite film, since the polyethylene base layer 1 is made of a linear low-density polyethylene layer 101, a high-density polyethylene layer 102 and a chlorinated polyethylene layer 103, the linear low-density polyethylene layer 101 has better tensile strength, impact resistance and puncture resistance, while the high-density polyethylene layer 102 has excellent chemical corrosion resistance and good moisture-proof effect. The design of bubble layer 1 2 and bubble layer 2 3 improves the overall shock absorption effect. The aluminum foil layer 1 4 and aluminum foil layer 2 5 on both sides have good heat insulation and flame retardant effects. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0032] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the protection content of the present invention.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A multi-layer bubble aluminum foil composite film, comprising a polyethylene base layer (1), characterized in that: A bubble layer 1 (2) is attached to the top of the polyethylene base layer (1), and the bubble layer 1 (2) is connected to the polyethylene base layer (1); an aluminum foil layer 1 (4) is attached to the top of the bubble layer 1 (2), and the bubble layer 1 (2) is connected to the aluminum foil layer 1 (4); a bubble layer 2 (3) is attached to the bottom of the polyethylene base layer (1), and the bubble layer 2 (3) is connected to the polyethylene base layer (1); an aluminum foil layer 2 (5) is attached to the bottom of the bubble layer 2 (3), and the bubble layer 2 (3) is connected to the aluminum foil layer 2 (5).

2. The multi-layer bubble aluminum foil composite film according to claim 1, characterized in that: An adhesive layer (6) is provided between the bubble layer (2) and the aluminum foil layer (4), and the bubble layer (2) and the aluminum foil layer (4) are connected via the adhesive layer (6).

3. The multi-layer bubble aluminum foil composite film according to claim 1, characterized in that: A second adhesive layer (7) is provided between the second bubble layer (3) and the second aluminum foil layer (5), and the second bubble layer (3) and the second aluminum foil layer (5) are connected via the second adhesive layer (7).

4. The multi-layer bubble aluminum foil composite film according to claim 1, characterized in that: The polyethylene base layer (1) comprises a linear low-density polyethylene layer (101), a high-density polyethylene layer (102) is laminated to the bottom of the linear low-density polyethylene layer (101), and a chlorinated polyethylene layer (103) is laminated to the bottom of the high-density polyethylene layer (102).

5. The multi-layer bubble aluminum foil composite film according to claim 4, characterized in that: The thicknesses of the polyethylene base layer (1), bubble layer 1 (2), bubble layer 2 (3), aluminum foil layer 1 (4) and aluminum foil layer 2 (5) are 10 μm, 15 μm, 15 μm, 13 μm and 13 μm respectively, and the thicknesses of the linear low-density polyethylene layer (101), high-density polyethylene layer (102) and chlorinated polyethylene layer (103) are 3 μm, 4 μm and 3 μm respectively.

Images