PET (Polyethylene Terephthalate) glazing film

Abstract

The utility model relates to a PET (Polyethylene Terephthalate) glazing film. The composite material comprises a polyester material base material layer, the top of the polyester material base material layer is fixedly connected with a resin glazing layer; the bottom of the polyester material base material layer is fixedly connected with an adhesive layer; the bottom of the adhesive layer is fixedly connected with a metal tear-resistant layer; a first release paper layer is attached to the bottom of the metal tear-resistant layer; the polyester material base material layer, the resin glazing layer, the adhesive layer and the metal tear-resistant layer are consistent with the first release paper layer in shape and size; by means of the structural design that the metal anti-tearing layer is arranged between the polyester material base material layer and the adhesive layer, the function of effectively improving the anti-tearing performance of the PET glazing film is achieved, and the problem that if the PET glazing film is frequently affected by adverse conditions such as friction, impact or high temperature, the tearing performance of the PET glazing film is easily improved is effectively solved. Therefore, the problem that the PET glazing film is easy to crack during use is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of glazing films, in particular to a PET glazing film. Background Art

[0002] PET glazing film is a special packaging material that combines the excellent performance of PET with glazing technology to give the packaged products a gorgeous luster and texture. This glazing film is mainly used for vacuum aluminum-plated products. Through the aluminum-plating process, a layer of metallic luster is formed on the surface of the PET film, making the packaged products more eye-catching and attractive. The characteristics of PET glazing film are its excellent optical properties, smooth surface, high gloss, and the ability to reflect bright light, giving the packaged products a charming metallic luster.

[0003] During the use of the PET glazing film, if the PET glazing film is often affected by adverse conditions such as friction, impact or high temperature, it is easy to cause the tearing of the PET glazing film to increase, causing the PET glazing film to easily break during use. Utility Model Content

[0004] To this end, the technical problem to be solved by the utility model is to overcome the problem in the prior art that if the PET glazing film is often affected by adverse conditions such as friction, impact or high temperature, it is easy to cause the PET glazing film to have increased tearing properties, resulting in the PET glazing film being easily broken during use.

[0005] In order to solve the above technical problems, the utility model provides a PET glazing film, comprising a polyester material substrate layer; a resin glazing layer is fixedly connected to the top of the polyester material substrate layer; an adhesive layer is fixedly connected to the bottom of the polyester material substrate layer; a metal anti-tear layer is fixedly connected to the bottom of the adhesive layer; a first release paper layer is attached to the bottom of the metal anti-tear layer; the polyester material substrate layer, the resin glazing layer, the adhesive layer, the metal anti-tear layer and the first release paper layer are consistent in shape and size; the tear resistance of the PET glazing film can be effectively increased, thereby making the PET glazing film more convenient.

[0006] In one embodiment of the utility model, a polyurethane adhesive layer is adhered to the top of the polyester material substrate layer; the top of the polyurethane adhesive layer is adhered to the bottom of the resin glazing layer; this can effectively avoid degumming between the polyester material substrate layer and the resin glazing layer, and reduce the possibility that the degumming problem may affect the use of the PET glazing film.

[0007] In one embodiment of the utility model, a carbon antistatic layer is adhered to the bottom of the resin glazing layer; the carbon antistatic layer is arranged at a position between the corresponding resin glazing layer and the polyurethane adhesive layer; the influence of static electricity generation on the use of the PET glazing film is reduced.

[0008] In one embodiment of the utility model, a second release paper layer is pasted on the top of the resin glazing layer; the shape and size of the second release paper layer are arranged corresponding to the resin glazing layer; this can effectively avoid leaving marks on the surface of the resin glazing layer during the pasting process, thereby affecting the use of the resin glazing layer.

[0009] In one embodiment of the utility model, a fixed edge is fixedly connected to the boundary of the polyurethane adhesive layer; the thickness of the fixed edge can cover the polyester material substrate layer, the resin glazing layer, the metal anti-tear layer, the first release paper layer, the carbon antistatic layer and the polyurethane adhesive layer; the PET glazing film is less likely to warp and fall off during use, making the use of the PET glazing film more stable.

[0010] In one embodiment of the utility model, the top and bottom of the polyurethane adhesive layer are fixed with multiple protrusions; the protrusions are regularly arranged in a linear array on the surface of the polyurethane adhesive layer; multiple grooves are opened on the side walls of the polyester material substrate layer and the carbon antistatic layer; the protrusions and the grooves are arranged correspondingly; the polyurethane adhesive layer can better fix the polyester material substrate layer and the carbon antistatic layer.

[0011] In one embodiment of the utility model, a plurality of contact grooves are provided at the bottom of the adhesive layer; the contact grooves are regularly arranged in a linear array at the bottom of the adhesive layer; and the adhesion of the PET glazing film can be made more stable.

[0012] In one embodiment of the utility model, easy-tear blocks are fixed at the corners of the first release paper layer and the second release paper layer, and the easy-tear blocks are arranged at a position corresponding to one of the corners of the first release paper layer and the second release paper layer; this makes it more convenient to tear off the first release paper layer and the second release paper layer.

[0013] The above technical solution of the utility model has the following advantages compared with the prior art:

[0014] 1. The PET glazing film described in the utility model realizes the function of effectively increasing the tear resistance of the PET glazing film by arranging a metal tear-resistant layer between the polyester material substrate layer and the adhesive layer, and effectively solves the problem that if the PET glazing film is often affected by adverse conditions such as friction, impact or high temperature, the tear resistance of the PET glazing film will increase, which will cause the PET glazing film to be easily broken during use.

[0015] 2. The utility model describes a PET glazing film. During the use of the PET glazing film, the PET glazing film is prone to aging and the polyester material base layer and the resin glazing layer are easily separated. By providing a polyurethane adhesive layer between the polyester material base layer and the resin glazing layer to adhere the polyester material base layer and the resin glazing layer, the function of effectively avoiding debonding between the polyester material base layer and the resin glazing layer is achieved, thereby reducing the possibility that the debonding problem may affect the use of the PET glazing film. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments of the utility model in combination with the accompanying drawings.

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the PET glazing film in the utility model;

[0019] Figure 3 It is a cross-sectional view of the PET glazing film in the utility model;

[0020] Figure 4 It is a cross-sectional view of the metal tear-resistant layer in the utility model.

[0021] Explanation of the reference numerals in the accompanying drawings in the specification: 1. Polyester material substrate layer; 2. Resin glazing layer; 3. Adhesive layer; 4. Metal anti-tear layer; 5. First release paper layer; 6. Carbon antistatic layer; 7. Polyurethane adhesive layer; 8. Second release paper layer; 9. Fixed edge; 10. Bump; 11. Groove; 12. Contact groove; 13. Easy-tear block. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0023] Reference Figure 1 As shown, the utility model Figures 1 to 4As shown, a PET glazing film described in an embodiment of the utility model includes a polyester material substrate layer 1; a resin glazing layer 2 is fixedly connected to the top of the polyester material substrate layer 1; an adhesive layer 3 is fixedly connected to the bottom of the polyester material substrate layer 1; a metal anti-tear layer 4 is fixedly connected to the bottom of the adhesive layer 3; a first release paper layer 5 is attached to the bottom of the metal anti-tear layer 4; the polyester material substrate layer 1, the resin glazing layer 2, the adhesive layer 3, the metal anti-tear layer 4 and the first release paper layer 5 are consistent in shape and size; during operation, during the use of the PET glazing film, by arranging the metal anti-tear layer 4 between the polyester material substrate layer 1 and the adhesive layer 3, the tear resistance of the PET glazing film can be effectively increased, thereby making the PET glazing film more convenient.

[0024] Reference Figures 1 to 3 As shown, a polyurethane adhesive layer 7 is adhered to the top of the polyester material substrate layer 1; the top of the polyurethane adhesive layer 7 is adhered to the bottom position of the resin glazing layer 2; during operation, during the use of the PET glazing film, the PET glazing film is easily aged and the polyester material substrate layer 1 and the resin glazing layer 2 are easily separated. By providing a polyurethane adhesive layer 7 between the polyester material substrate layer 1 and the resin glazing layer 2, the polyester material substrate layer 1 and the resin glazing layer 2 are adhered, which can effectively avoid debonding between the polyester material substrate layer 1 and the resin glazing layer 2, and reduce the possibility that the debonding problem may affect the use of the PET glazing film.

[0025] Reference Figures 1 to 3 As shown, a carbon antistatic layer 6 is adhered to the bottom of the resin glazing layer 2; the carbon antistatic layer 6 is arranged at a position corresponding to the resin glazing layer 2 and the polyurethane adhesive layer 7; during operation, during the use of the PET glazing film, static electricity is easily generated on the PET glazing film, and static electricity is easy to adsorb dust and impurities, affecting the use of the PET glazing film, and by arranging the carbon antistatic layer 6 between the resin glazing layer 2 and the polyurethane adhesive layer 7, the static electricity can be eliminated, so that the PET glazing film can generate less static electricity during use, reducing the impact of static electricity on the use of the PET glazing film.

[0026] Reference Figures 1 to 3 As shown, the top of the resin glazing layer 2 is covered with a second release paper layer 8; the shape and size of the second release paper layer 8 are set corresponding to the resin glazing layer 2; during operation, when the PET glazing film is pasted, by setting the second release paper layer 8 on the top of the resin glazing layer 2, it can be effectively avoided that during the pasting process, marks are easily left on the surface of the resin glazing layer 2, which affects the use of the resin glazing layer 2.

[0027] Reference Figures 1 to 3As shown, a fixed edge 9 is fixedly connected to the boundary of the polyurethane adhesive layer 7; the thickness of the fixed edge 9 can cover the polyester material substrate layer 1, the resin glazing layer 2, the metal anti-tear layer 4, the first release paper layer 5, the carbon antistatic layer 6 and the polyurethane adhesive layer 7; when working, by fixing the fixed edge 9 on the boundary of the polyurethane adhesive layer 7, and at the same time covering the polyester material substrate layer 1, the resin glazing layer 2, the metal anti-tear layer 4, the first release paper layer 5, the carbon antistatic layer 6 and the polyurethane adhesive layer 7 through the fixed edge 9, the PET glazing film is less likely to warp and fall off during use, making the use of the PET glazing film more stable.

[0028] Reference Figures 2 to 3 As shown, the top and bottom of the polyurethane adhesive layer 7 are fixed with a plurality of protrusions 10; the protrusions 10 are regularly arranged in a linear array on the surface of the polyurethane adhesive layer 7; a plurality of grooves 11 are provided on the side walls of the polyester material substrate layer 1 and the carbon antistatic layer 6; the protrusions 10 and the grooves 11 are arranged correspondingly; during operation, when the polyester material substrate layer 1 and the carbon antistatic layer 6 are adhered to each other through the polyurethane adhesive layer 7, by providing the protrusions 10 on the side walls of the polyurethane adhesive layer 7 and providing the grooves 11 between the polyester material substrate layers 1 and 16, the contact area between the polyurethane adhesive layer 7 and the polyester material substrate layer 1 and the carbon antistatic layer 6 can be made larger, so that the fixing effect of the polyurethane adhesive layer 7 on the polyester material substrate layer 1 and the carbon antistatic layer 6 can be better.

[0029] Reference Figures 2 to 3 As shown, a plurality of contact grooves 12 are provided at the bottom of the adhesive layer 3; the contact grooves 12 are regularly arranged in a linear array at the bottom of the adhesive layer 3; during operation, when the PET glazing film is fixed by the adhesive layer 3, by providing the contact grooves 12 on the side wall of the adhesive layer 3, the contact area between the adhesive layer 3 and the adhesive surface can be made larger, thereby making the adhesiveness of the PET glazing film more stable.

[0030] Reference Figures 1 to 3 As shown, easy-tear blocks 13 are fixedly connected to the corners of the first release paper layer 5 and the second release paper layer 8, and the easy-tear blocks 13 are arranged at the position corresponding to one of the corners of the first release paper layer 5 and the second release paper layer 8; during operation, when the first release paper layer 5 and the second release paper layer 8 need to be torn off, by arranging easy-tear blocks 13 at the corners of the first release paper layer 5 and the second release paper layer 8, it is possible to make it easier to lift up the first release paper layer 5 and the second release paper layer 8, thereby making it easier to tear off the first release paper layer 5 and the second release paper layer 8.

[0031] Working principle: during the use of the PET glazing film, by setting a metal anti-tear layer 4 between the polyester material substrate layer 1 and the adhesive layer 3, the tear resistance of the PET glazing film can be effectively increased, thereby making the PET glazing film more convenient.

[0032] During the use of the PET glazing film, the polyester material base layer 1 and the resin glazing layer 2 are prone to detachment due to aging. By providing a polyurethane adhesive layer 7 between the polyester material base layer 1 and the resin glazing layer 2 to adhere the polyester material base layer 1 and the resin glazing layer 2, debonding between the polyester material base layer 1 and the resin glazing layer 2 can be effectively avoided, thereby reducing the possibility that the debonding problem may affect the use of the PET glazing film.

[0033] During the use of the PET glazing film, static electricity is easily generated on the PET glazing film, and static electricity is easy to adsorb dust and impurities, affecting the use of the PET glazing film. By providing a carbon antistatic layer 6 between the resin glazing layer 2 and the polyurethane adhesive layer 7, static electricity can be eliminated, so that the PET glazing film can generate less static electricity during use, reducing the impact of static electricity on the use of the PET glazing film.

[0034] When pasting the PET glazing film, by setting a second release paper layer 8 on the top of the resin glazing layer 2, it can effectively avoid leaving marks on the surface of the resin glazing layer 2 during the pasting process, which will affect the use of the resin glazing layer 2.

[0035] By fixing the fixed edge 9 on the boundary of the polyurethane adhesive layer 7 and covering the polyester material substrate layer 1, the resin glazing layer 2, the metal anti-tear layer 4, the first release paper layer 5, the carbon antistatic layer 6 and the polyurethane adhesive layer 7 through the fixed edge 9, the PET glazing film is less likely to warp and fall off during use, making the use of the PET glazing film more stable.

[0036] When the polyester material substrate layer 1 and the carbon antistatic layer 6 are adhered to each other through the polyurethane adhesive layer 7, by setting a protrusion 10 on the side wall of the polyurethane adhesive layer 7 and setting a groove 11 between the polyester material substrate layers 1 and 16, the contact area between the polyurethane adhesive layer 7 and the polyester material substrate layer 1 and the carbon antistatic layer 6 can be made larger, so that the polyurethane adhesive layer 7 can better fix the polyester material substrate layer 1 and the carbon antistatic layer 6.

[0037] When the PET glazing film is fixed by the adhesive layer 3, by opening the contact groove 12 on the side wall of the adhesive layer 3, the contact area between the adhesive layer 3 and the adhesive surface can be made larger, so that the adhesiveness of the PET glazing film can be made more stable.

[0038] When the first release paper layer 5 and the second release paper layer 8 need to be torn off, by setting easy-tear blocks 13 at the corners of the first release paper layer 5 and the second release paper layer 8, it can be easier to lift the first release paper layer 5 and the second release paper layer 8, thereby making it easier to tear off the first release paper layer 5 and the second release paper layer 8.

[0039] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A PET glazing film, characterized in that: The invention comprises a polyester material substrate layer (1); a resin glazing layer (2) is fixedly connected to the top of the polyester material substrate layer (1); an adhesive layer (3) is fixedly connected to the bottom of the polyester material substrate layer (1); a metal tear-resistant layer (4) is fixedly connected to the bottom of the adhesive layer (3); a first release paper layer (5) is attached to the bottom of the metal tear-resistant layer (4); the polyester material substrate layer (1), the resin glazing layer (2), the adhesive layer (3), the metal tear-resistant layer (4) and the first release paper layer (5) are all of the same shape and size.

2. A PET glazing film according to claim 1, characterized in that: A polyurethane adhesive layer (7) is adhered to the top of the polyester material substrate layer (1); and the top of the polyurethane adhesive layer (7) is adhered to the bottom of the resin glazing layer (2).

3. A PET glazing film according to claim 2, characterized in that: A carbon antistatic layer (6) is adhered to the bottom of the resin glazing layer (2); the carbon antistatic layer (6) is arranged at a position corresponding to the resin glazing layer (2) and the polyurethane adhesive layer (7).

4. A PET glazing film according to claim 3, characterized in that: A second release paper layer (8) is attached to the top of the resin glazing layer (2); the shape and size of the second release paper layer (8) are arranged to correspond to the resin glazing layer (2).

5. The PET glazing film according to claim 4, characterized in that: A fixed edge (9) is fixedly connected to the boundary of the polyurethane adhesive layer (7); the thickness of the fixed edge (9) can cover the polyester material substrate layer (1), the resin glazing layer (2), the metal anti-tear layer (4), the first release paper layer (5), the carbon antistatic layer (6) and the polyurethane adhesive layer (7).

6. The PET glazing film according to claim 5, characterized in that: The top and bottom of the polyurethane adhesive layer (7) are fixedly connected with a plurality of protrusions (10); the protrusions (10) are regularly arranged in a linear array on the surface of the polyurethane adhesive layer (7); the side walls of the polyester material substrate layer (1) and the carbon antistatic layer (6) are both provided with a plurality of grooves (11); the protrusions (10) and the grooves (11) are arranged in correspondence.

7. The PET glazing film according to claim 6, characterized in that: A plurality of contact grooves (12) are provided at the bottom of the adhesive layer (3); the contact grooves (12) are regularly arranged in a linear array at the bottom of the adhesive layer (3).

8. The PET glazing film according to claim 7, characterized in that: The first release paper layer (5) and the second release paper layer (8) are fixedly connected with easy-tear blocks (13) at their corners, and the easy-tear blocks (13) are arranged at positions corresponding to one of the corners of the first release paper layer (5) and the second release paper layer (8).

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