Novel adhesive sticker composite film

Abstract

The utility model discloses a novel adhesive sticker composite film which comprises a composite film base layer, a positioning net layer is fixedly arranged on the lower surface of the composite film base layer, and an adhesive sticker layer is fixedly arranged on the lower surface of the positioning net layer. An aerogel heat insulation layer is fixedly arranged on the upper surface of the composite film base layer, a shading layer is fixedly arranged on the upper surface of the aerogel heat insulation layer, an anti-puncture layer is fixedly arranged on the upper surface of the shading layer, and a conductive coating is fixedly arranged on the upper surface of the anti-puncture layer; a plurality of positioning grooves are formed in the upper surface of the anti-puncture layer, a metal wire is arranged in each positioning groove, and the upper end of each metal wire is connected with the local position of the lower surface of the conductive coating; the front end of one first conductive metal wire is exposed out of the front end face of the anti-puncture layer by 2-5 mm. The technical scheme is reasonable in structural design, not prone to deformation and fracture, good in shading effect, good in heat insulation effect, good in antistatic effect and good in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of composite films, and particularly relates to a new type of self-adhesive composite film. Background Art

[0002] Common composite films are used in various tapes, papers or food packaging bags. However, there are still deficiencies in the structure of existing common composite films: once the external force is too large during use, the composite film will deform and break, and the service life of the composite film is short; moreover, the existing common composite films do not have a light-shielding function, the heat insulation effect is not good, and the antistatic agent coated on the outer surface is easily scratched, which will affect the antistatic effect, resulting in the outer surface of the composite film being easily adsorbed with dust and affecting the use. Summary of the Utility Model

[0003] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a new type of self-adhesive composite film with reasonable structural design, not easy to deform and break, good light-shielding effect, good heat insulation effect, good antistatic effect and good practicability.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: a new type of self-adhesive composite film, including a composite film base layer, a positioning mesh layer is fixedly arranged on the lower surface of the composite film base layer, and a self-adhesive layer is fixedly arranged on the lower surface of the positioning mesh layer; an aerogel heat insulation layer is fixedly arranged on the upper surface of the composite film base layer, a light-shielding layer is fixedly arranged on the upper surface of the aerogel heat insulation layer, an anti-puncture layer is fixedly arranged on the upper surface of the light-shielding layer, and a conductive coating is fixedly arranged on the upper surface of the anti-puncture layer;

[0005] A plurality of positioning grooves are arranged on the upper surface of the anti-puncture layer, and a metal wire is arranged in each positioning groove, and the upper end of the metal wire is connected to a partial position on the lower surface of the conductive coating;

[0006] The positioning grooves include a plurality of first positioning grooves and a plurality of second positioning grooves, and the metal wires include a first conductive metal wire and a second conductive metal wire; the first positioning grooves are all communicated with the second positioning grooves, and a first conductive metal wire is embedded in each first positioning groove, and the front end of one of the first conductive metal wires exposes 2-5 mm from the front end face of the anti-puncture layer.

[0007] The utility model is further arranged as: a second conductive metal wire is embedded in each second positioning groove, and the second conductive metal wires are all connected to a partial position of the first conductive metal wire, and the right end of one of the second conductive metal wires exposes 2-5 mm from the right end face of the anti-puncture layer.

[0008] The present utility model is further configured as follows: the number of the first positioning grooves is more than 3, and the first positioning grooves are all arc-shaped grooves or rectangular grooves. The upper ends of the first conductive metal wires are flush with the upper surface of the puncture-proof layer, and the lower ends of the first conductive metal wires are adhesively fixed to the inner wall surfaces of the first positioning grooves; the number of the second positioning grooves is at least 1, and the second positioning grooves are arc-shaped grooves or rectangular grooves. The upper ends of the second conductive metal wires are flush with the upper surface of the puncture-proof layer, and the lower ends of the second conductive metal wires are adhesively fixed to the inner wall surfaces of the second positioning grooves.

[0009] The present utility model is further configured as follows: a plurality of storage grooves are provided on the upper surface of the composite film base layer, and a plurality of activated carbon particles are provided in each storage groove.

[0010] The present utility model is further configured as follows: the aerogel heat insulation layer is a silicon carbide aerogel layer, and the thickness of the aerogel heat insulation layer is 0.1 - 2 mm.

[0011] The present utility model is further configured as follows: the composite film base layer is made of EVA material or PET material, and the thickness of the composite film base layer is 0.3 - 1 mm; the puncture-proof layer is made of PET material or TPU material, and the thickness of the rear end of the puncture-proof layer is 0.15 - 0.5 mm; the light-shielding layer is an aluminized layer, and the thickness of the light-shielding layer is 0.02 - 0.16 μm.

[0012] The beneficial effects of the present utility model are as follows: compared with the prior art, the structure of the present utility model is reasonably designed. The upper ends of the metal wires are connected to local positions on the lower surface of the conductive coating. When the conductive coating is worn, the metal wires can also conduct the generated static electricity, and the antistatic effect is good, so that dust is not easily adsorbed on the outer surface of the composite film; the first conductive metal wire and the second conductive metal wire can not only conduct static electricity, but also play a role in positioning and preventing breakage. Combined with the positioning mesh layer, the composite film is not easily deformed and broken, and the service life is prolonged; a light-shielding layer is provided inside the composite film, which can effectively block moisture and dampness, has good moisture-proof performance, and has good light-shielding effect; the aerogel heat insulation layer has good heat insulation effect, is applicable to the field of food packaging, has a wide application range and good practicability.

[0013] The following further describes the present utility model in conjunction with the specification drawings and specific embodiments. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of an embodiment of the present utility model;

[0015] Figure 2 is Figure 1 an enlarged schematic view of part I in

[0016] Figure 3 is a top view schematic diagram of the puncture-proof layer of an embodiment of the present utility model. Detailed implementation manners

[0017] In the description of this embodiment, it should be noted that when terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the orientation or positional relationship indicated thereby is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, when terms such as "first", "second", "third" appear, they are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0018] See Figures 1 to 3 , a novel self-adhesive composite film disclosed by the present utility model includes a composite film base layer 1. A positioning mesh layer 2 is fixedly arranged on the lower surface of the composite film base layer 1, and an adhesive layer 3 is fixedly arranged on the lower surface of the positioning mesh layer 2; a aerogel heat insulation layer 4 is fixedly arranged on the upper surface of the composite film base layer 1, a light-shielding layer 5 is fixedly arranged on the upper surface of the aerogel heat insulation layer 4, a puncture-proof layer 6 is fixedly arranged on the upper surface of the light-shielding layer 5, and a conductive coating 7 is fixedly arranged on the upper surface of the puncture-proof layer 6;

[0019] On the upper surface of the puncture-proof layer 6, a plurality of positioning grooves are arranged, and a metal wire is arranged in each positioning groove. The upper end of the metal wire is connected to a partial position on the lower surface of the conductive coating 7;

[0020] Preferably, the composite film base layer 1, the positioning mesh layer 2, the adhesive layer 3, the aerogel heat insulation layer 4, the light-shielding layer 5, the puncture-proof layer 6, the conductive coating 7 and the metal wire are integrally formed by bonding and compounding. A release layer 100 is arranged on the lower surface of the adhesive layer 3, and the release layer 100 is silicone oil release paper or release film.

[0021] To make the structural design of the present utility model more reasonable, preferably, the positioning grooves in this embodiment include a plurality of first positioning grooves 61 and a plurality of second positioning grooves 62, and the metal wires include a first conductive metal wire 8 and a second conductive metal wire 9; the first positioning grooves 61 are all communicated with the second positioning grooves 62, and a first conductive metal wire 8 is embedded in each first positioning groove 61, and the front end of one of the first conductive metal wires 8 protrudes 2-5 mm from the front end surface of the puncture-proof layer 6.

[0022] One second conductive metal wire 9 is embedded in each second positioning groove 62, and the second conductive metal wires 9 are all connected to the local position of the first conductive metal wire 8. The right end of one of the second conductive metal wires 9 exposes 2-5 mm from the right end face of the puncture-proof layer 6.

[0023] Preferably, the number of the first positioning grooves 61 is more than 3, and the first positioning grooves 61 are all arc-shaped grooves or rectangular grooves. The upper ends of the first conductive metal wires 8 are flush with the upper surface of the puncture-proof layer 6, and the lower ends of the first conductive metal wires 8 are adhesively fixed to the inner wall surfaces of the first positioning grooves 61; the number of the second positioning grooves 62 is at least 1, and the second positioning grooves 62 are arc-shaped grooves or rectangular grooves. The upper ends of the second conductive metal wires 9 are flush with the upper surface of the puncture-proof layer 6, and the lower ends of the second conductive metal wires 9 are adhesively fixed to the inner wall surfaces of the second positioning grooves 62.

[0024] Both the first conductive metal wire 8 and the second conductive metal wire 9 are made of aluminum or copper. The front end of the first conductive metal wire exposing from the front end face of the puncture-proof layer 6 and the right end of the second conductive metal wire exposing from the right end face of the puncture-proof layer 6 are for connecting metal components, which is convenient for better discharging static electricity. In actual use, if the exposed sections are not needed, users can cut them off with scissors.

[0025] A plurality of storage grooves 11 are arranged on the upper surface of the composite film base layer 1, and a number of activated carbon particles 10 are arranged in each storage groove 11. Preferably, the number of the storage grooves 11 on the upper surface of the composite film base layer 1 is more than 3, and the number of the activated carbon particles 10 in each storage groove 11 is more than 3; the activated carbon particles 10 can absorb the toxic gases emitted when the composite film is heated. The groove openings of each storage groove 11 are completely covered by the lower surface of the aerogel heat insulation layer 4, which plays a role in limiting the activated carbon particles 10.

[0026] The aerogel heat insulation layer 4 is a silicon carbide aerogel layer, and the thickness of the aerogel heat insulation layer 4 is 0.1-2 mm.

[0027] The composite film base layer 1 is made of EVA or PET, and the thickness of the composite film base layer 1 is 0.3-1 mm; the puncture-proof layer 6 is made of PET or TPU, and the thickness of the rear end of the puncture-proof layer 6 is 0.15-0.5 mm; the light-shielding layer 5 is an aluminized layer, and the thickness of the light-shielding layer 5 is 0.02-0.16 μm.

[0028] The positioning mesh layer 2 is made of stainless steel or nylon.

[0029] In actual application, the upper end of the wire is locally connected to the lower surface of the conductive coating 7. When the conductive coating 7 wears, the wire can also conduct the generated static electricity, with good antistatic effect, making it difficult for dust to be adsorbed on the outer surface of the composite film; the first conductive wire 8 and the second conductive wire 9 can not only conduct static electricity, but also play a role in positioning and preventing fracture. Combined with the positioning mesh layer 2, the composite film is not easy to deform and fracture, prolonging its service life; a light-shielding layer is provided inside the composite film, which can effectively block moisture and dampness, having good moisture-proof performance and good light-shielding effect; the aerogel heat-insulating layer 4 has good heat-insulating effect, is suitable for the field of food packaging, with reasonable structural design, wide application range and good practicability.

[0030] The specific description of the present invention in the above embodiments is only used to further illustrate the present invention, and cannot be understood as a limitation on the protection scope of the present invention. Any non-essential improvements and adjustments made by those skilled in the art based on the content of the above invention fall within the protection scope of the present invention.

Claims

1. A new type of self-adhesive composite film, comprising a composite film base layer (1), characterized in that: A positioning mesh layer (2) is fixedly arranged on the lower surface of the composite film base layer (1), and an adhesive layer (3) is fixedly arranged on the lower surface of the positioning mesh layer (2); an aerogel heat insulation layer (4) is fixedly arranged on the upper surface of the composite film base layer (1), a light shielding layer (5) is fixedly arranged on the upper surface of the aerogel heat insulation layer (4), a puncture-proof layer (6) is fixedly arranged on the upper surface of the light shielding layer (5), and a conductive coating (7) is fixedly arranged on the upper surface of the puncture-proof layer (6). A plurality of positioning grooves are arranged on the upper surface of the puncture-proof layer (6), and a metal wire is arranged in each positioning groove. The upper end of the metal wire is connected to a partial position on the lower surface of the conductive coating (7). The positioning grooves include a plurality of first positioning grooves (61) and a plurality of second positioning grooves (62), and the metal wires include a first conductive metal wire (8) and a second conductive metal wire (9); the first positioning grooves (61) are all communicated with the second positioning grooves (62), and a first conductive metal wire (8) is embedded in each first positioning groove (61). The front end of one of the first conductive metal wires (8) exposes 2-5 mm from the front end face of the puncture-proof layer (6).

2. A novel self-adhesive composite film according to claim 1, wherein: A second conductive metal wire (9) is embedded in each second positioning groove (62), and the second conductive metal wires (9) are all connected to a partial position of the first conductive metal wire (8). The right end of one of the second conductive metal wires exposes 2-5 mm from the right end face of the puncture-proof layer (6).

3. A novel self-adhesive composite film according to claim 2, characterized in that: The number of the first positioning grooves (61) is more than 3, and the first positioning grooves (61) are all arc-shaped grooves or rectangular grooves. The upper ends of the first conductive metal wires (8) are flush with the upper surface of the puncture-proof layer (6), and the lower ends of the first conductive metal wires (8) are adhesively fixed to the inner wall surface of the first positioning grooves (61); the number of the second positioning grooves (62) is at least 1, and the second positioning grooves (62) are arc-shaped grooves or rectangular grooves. The upper ends of the second conductive metal wires (9) are flush with the upper surface of the puncture-proof layer (6), and the lower ends of the second conductive metal wires (9) are adhesively fixed to the inner wall surface of the second positioning grooves (62).

4. A novel self-adhesive composite film according to claim 1 or 3, characterized in that: A plurality of storage grooves (11) are arranged on the upper surface of the composite film base layer (1), and a plurality of activated carbon particles (10) are arranged in each storage groove (11).

5. A novel self-adhesive composite film according to claim 1 or 3, characterized in that: The aerogel heat insulation layer (4) is a silicon carbide aerogel layer, and the thickness of the aerogel heat insulation layer (4) is 0.1-2 mm.

6. The novel self-adhesive composite film according to claim 1 or 3, characterized in that: The composite film base layer (1) is made of EVA material or PET material, and the thickness of the composite film base layer (1) is 0.3-1 mm; the puncture-proof layer (6) is made of PET material or TPU material, and the thickness of the rear end of the puncture-proof layer (6) is 0.15-0.5 mm; the light shielding layer (5) is an aluminized layer, and the thickness of the light shielding layer (5) is 0.02-0.16 μm.

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