Sandstone-impact-resistant glass front shield armour membrane

Abstract

The utility model discloses a sandstone impact resistant glass front shield armor film, which relates to the technical field of glass front shield armor films and comprises a base layer, a stripping film layer and a scratch-resistant layer, a pressure-sensitive adhesive layer is fixed on the lower side of the base layer, a transparent release protective film layer is adhered on the lower side of the pressure-sensitive adhesive layer, the stripping film layer is adhered on the upper side of the base layer, and the scratch-resistant layer is adhered on the lower side of the stripping film layer. The upper side of the stripping film layer is fixedly provided with an anti-scraping layer, the upper side of the anti-scraping layer is provided with a silica gel protective film layer, the upper surface of the silica gel protective film layer is sprayed with a hard coating, and the upper surface of the hard coating is sprayed with a super-hydrophobic coating. According to the sandstone-impact-resistant glass front windshield armored film, the stripping film layer facilitates stripping between the scratch-resistant layer and the base layer, so that when the scratch-resistant layer and the silica gel protective film layer are damaged by cracks or scratches and the like, the film layer can be replaced, the base layer is reserved, the armored film does not need to be wholly replaced, the scratch-resistant layer is made of wear-resistant polyurethane, and the service life of the armored film is prolonged. And a protective film with good impact resistance can be formed by matching with a silica gel protective film layer.

Description

Technical Field

[0001] The utility model relates to the technical field of glass front baffle films, in particular to a glass front baffle film resistant to sand and stone impact. Background Art

[0002] Glass windshield film is also called windshield protective film, which is used to protect the car windshield. Glass film is a high-tech product developed in recent years. This kind of film attached to the glass is beneficial to protect the environment on the side of the glass partition from interference from ultraviolet rays, thermal radiation in sunlight, etc.

[0003] For example, the utility model with application number CN201621139553.6 discloses a glass shield armor protective film. The shield armor film similar to the above application currently has the following shortcomings: the existing windshield shield armor film generally has poor impact resistance and is easily broken or scratched when hit by sand and gravel. In addition, when the shield armor film is cracked or scratched, the shield armor film needs to be replaced.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a sand and stone impact resistant glass front shield film is proposed. Utility Model Content

[0005] The utility model aims to provide a sand and stone impact resistant glass front shield film to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sand and stone impact resistant glass front windshield film, comprising a base layer, a peeling film layer and an anti-scratch layer, a pressure-sensitive adhesive layer is fixed on the lower side of the base layer, and a transparent release protective film layer is adhered to the lower side of the pressure-sensitive adhesive layer, a peeling film layer is adhered to the upper side of the base layer, and an anti-scratch layer is fixed on the upper side of the peeling film layer, a silicone protective film layer is arranged on the upper side of the anti-scratch layer, and a hard coating is sprayed on the upper surface of the silicone protective film layer, and a super-hydrophobic coating is sprayed on the upper surface of the hard coating.

[0007] Furthermore, the base layer includes a first substrate layer, a transparent lactic acid composite layer, a second substrate layer and a nanofiber membrane, the transparent lactic acid composite layer is fixed on the upper side of the first substrate layer, the second substrate layer is fixed on the upper side of the transparent lactic acid composite layer, and the nanofiber membrane is arranged on the upper side of the second substrate layer.

[0008] Furthermore, the base layer also includes upper convex strips, lower convex strips and embedded grooves. The upper convex strips are fixed at equal distances on the bottom surface of the nanofiber membrane, and the lower convex strips are fixed at equal distances on the bottom surface of the transparent lactic acid composite layer. The first substrate layer and the second substrate layer are provided with embedded grooves at the positions of the lower convex strips and the lower convex strips.

[0009] Furthermore, the material of the first substrate layer and the second substrate layer is optical-grade TPU, PVC or PET, and the thickness of the first substrate layer and the second substrate layer is the same.

[0010] Furthermore, the thickness of the pressure-sensitive adhesive layer is 3-8 μm, and the thickness of the transparent release protective film layer is 16-75 μm.

[0011] Furthermore, the material of the transparent release protective film layer is a PET release film, and the material of the anti-scratch layer is a wear-resistant polyurethane.

[0012] The utility model provides a sand and stone impact resistant glass front shield film, which has the following beneficial effects:

[0013] The utility model is provided with a peeling film layer, which facilitates the peeling between the anti-scratch layer and the base layer, and then when the anti-scratch layer and the silicone protective film layer are damaged by cracks or scratches, this part of the film layer can be replaced while retaining the base layer, and there is no need to replace the entire film. The material of the anti-scratch layer is wear-resistant polyurethane, which can form a protective film with good impact resistance together with the silicone protective film layer, and has remarkable anti-shattering, anti-crack and anti-scratch effects, and is resistant to sand and stone impact.

[0014] The utility model is provided with a base layer, and the first substrate layer and the second substrate layer of the base layer can enhance the strength and have higher toughness and wear resistance. The transparent lactic acid composite layer is provided to provide better toughness to resist the impact of foreign objects. The nanofiber membrane has a dense structure and good flexibility, so that the Dunjia membrane can fit tightly to the car windshield with a large curvature.

[0015] The utility model is provided with a hard coating and a super-hydrophobic coating. The hard coating is resistant to strong scratches and strong impacts, reducing the possibility of scratches on the coating. The super-hydrophobic coating is super-hydrophobic, highly corrosion-resistant, and has high aging resistance, UV protection, and heat-insulating effects, thereby reducing the erosion of water vapor on the armor film. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a sand and stone impact resistant glass front shield film of the utility model;

[0017] Figure 2 This is a schematic diagram of the base explosion structure of a sand and stone impact resistant glass front shield film of the utility model;

[0018] Figure 3 This is a schematic diagram of the front cross-sectional structure of a base layer of a sand and stone impact resistant glass front shield film of the utility model;

[0019] Figure 4 The utility model is a kind of sand and stone impact resistant glass front shield film Figure 3 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1. base layer; 101. first substrate layer; 102. transparent lactic acid composite layer; 103. second substrate layer; 104. nanofiber membrane; 105. upper convex strip; 106. lower convex strip; 107. embedded groove; 2. pressure-sensitive adhesive layer; 3. transparent release protective film layer; 4. peeling film layer; 5. anti-scratch layer; 6. silicone protective film layer; 7. hard coating; 8. super hydrophobic coating. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] like Figure 2-Figure 4 As shown, a sand and stone impact resistant glass front windshield film comprises a base layer 1, a peeling film layer 4 and an anti-scratch layer 5, the base layer 1 comprises a first substrate layer 101, a transparent lactic acid composite layer 102, a second substrate layer 103 and a nanofiber membrane 104, the transparent lactic acid composite layer 102 is fixed on the upper side of the first substrate layer 101, the second substrate layer 103 is fixed on the upper side of the transparent lactic acid composite layer 102, and the nanofiber membrane 104 is arranged on the upper side of the second substrate layer 103; the base layer 1 also comprises an upper convex strip 105, a lower convex strip 106 and an embedding groove 107, the upper convex strip 105 is fixed at an equal distance on the bottom surface of the nanofiber membrane 104, and the lower convex strip 106 is fixed at an equal distance on the bottom surface of the transparent lactic acid composite layer 102, the first substrate layer 101 and the second substrate layer 103 are provided with embedding grooves 107 at positions corresponding to the lower convex strip 106, and the positions of the lower convex strip 106 are provided with embedding grooves 107; the material of the first substrate layer 101 and the second substrate layer 103 It is optical grade TPU, PVC or PET, and the thickness of the first substrate layer 101 and the second substrate layer 103 are the same; the first substrate layer 101 and the second substrate layer 103 of the base layer 1 can enhance the strength and have high toughness and wear resistance. The transparent lactic acid composite layer 102 is provided to provide good toughness to resist the impact of foreign objects. The nanofiber membrane 104 has a dense structure and good flexibility. The transparent lactic acid composite layer 102 is compounded with the embedding groove 107 of the first substrate layer 101 through the lower convex strip 106, and the nanofiber membrane 104 is compounded with the embedding groove 107 of the second substrate layer 103 through the upper convex strip 105. This connection method has good impact resistance and bending resistance while having good conformity, so that the Dunjia film can fit tightly to the car windshield with a large curvature. At the same time, the good toughness makes it subject to a huge impact without causing the glass to break and splash, thereby playing a role of safety and explosion-proof.

[0023] like Figure 1As shown, a pressure-sensitive adhesive layer 2 is fixed to the lower side of the base layer 1, and a transparent release protective film layer 3 is glued to the lower side of the pressure-sensitive adhesive layer 2, a peeling film layer 4 is attached to the upper side of the base layer 1, and an anti-scratch layer 5 is fixed to the upper side of the peeling film layer 4, a silicone protective film layer 6 is arranged on the upper side of the anti-scratch layer 5, and a hard coating 7 is sprayed on the upper surface of the silicone protective film layer 6, and a super-hydrophobic coating 8 is sprayed on the upper surface of the hard coating 7; the thickness of the pressure-sensitive adhesive layer 2 is 3-8μm, and the thickness of the transparent release protective film layer 3 is 16-75μm; the material of the transparent release protective film layer 3 is PET release film, and the material of the anti-scratch layer 5 is wear-resistant polyurethane; the pressure-sensitive adhesive layer 2 and the transparent release protective film layer 3 facilitate the base layer 1 to be attached to the front windshield of the car The peeling film layer 4 is easy to peel off the anti-scratch layer 5 and the base layer 1, so that when the anti-scratch layer 5 and the silicone protective film layer 6 are damaged by cracks or scratches, these parts of the film layer can be replaced while retaining the base layer 1, and there is no need to replace the entire armor film. The material of the anti-scratch layer 5 is wear-resistant polyurethane, which can form a protective film with good impact resistance together with the silicone protective film layer 6, which is resistant to shattering and cracking, has remarkable anti-scratch effect, and is resistant to sand and stone impact. The hard coating 7 is resistant to strong scratches and strong impacts, which reduces the possibility of scratches on the coating. The super-hydrophobic coating 8 is super-hydrophobic, highly corrosion-resistant, and has high anti-aging, UV protection and heat-insulating effects, thereby reducing the erosion of water vapor on the armor film.

[0024] In summary, if Figure 1-Figure 4 As shown, the sand and stone impact resistant glass front windshield film, when used, firstly, the transparent release protective film layer 3 of the film can be attached to the surface of the automobile front windshield, and the pressure-sensitive adhesive layer 2 makes it fit tightly, wherein the transparent lactic acid composite layer 102 of the base layer 1 is compounded with the embedding groove 107 of the first substrate layer 101 through the lower convex strip 106, and the nanofiber film 104 is compounded with the embedding groove 107 of the second substrate layer 103 through the upper convex strip 105. This connection method has good impact resistance and bending resistance while having good conformability, so that the film can fit the automobile front windshield with a large curvature tightly, and at the same time, the good toughness makes it possible to cause the glass to break and splash even if it is subjected to a huge impact, thereby playing a role of safety and explosion-proof;

[0025] During use, the transparent lactic acid composite layer 102 can provide good toughness to resist the impact of foreign objects. The nanofiber membrane 104 has a dense structure and good flexibility. The anti-scratch layer 5 and the silicone protective film layer 6 can jointly form a protective film with good impact resistance, so that it can withstand the impact of sand and gravel. The hard coating 7 is resistant to strong scratches and strong impacts, which reduces the possibility of scratches on the coating. When the anti-scratch layer 5 and the silicone protective film layer 6 are damaged by cracks or scratches, this part of the film layer can be replaced by peeling off the film layer 4 while retaining the base layer 1. There is no need to replace the entire film. In this way, the use process of the sand and gravel impact-resistant glass front shield film is completed.

[0026] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A sand and stone impact resistant glass front shield film, comprising a base layer (1), a peeling film layer (4) and an anti-scratch layer (5), characterized in that: A pressure-sensitive adhesive layer (2) is fixed on the lower side of the base layer (1), and a transparent release protective film layer (3) is adhered to the lower side of the pressure-sensitive adhesive layer (2); a peeling film layer (4) is attached to the upper side of the base layer (1), and an anti-scratch layer (5) is fixed on the upper side of the peeling film layer (4); a silicone protective film layer (6) is arranged on the upper side of the anti-scratch layer (5), and a hard coating layer (7) is sprayed on the upper surface of the silicone protective film layer (6), and a super-hydrophobic coating layer (8) is sprayed on the upper surface of the hard coating layer (7).

2. The sand and stone impact resistant glass front shield film according to claim 1, characterized in that: The base layer (1) comprises a first substrate layer (101), a transparent lactic acid composite layer (102), a second substrate layer (103) and a nanofiber membrane (104), wherein the transparent lactic acid composite layer (102) is fixed on the upper side of the first substrate layer (101), and the second substrate layer (103) is fixed on the upper side of the transparent lactic acid composite layer (102), and the nanofiber membrane (104) is arranged on the upper side of the second substrate layer (103).

3. The sand and stone impact resistant glass front shield film according to claim 2, characterized in that: The base layer (1) further comprises upper convex strips (105), lower convex strips (106) and embedding grooves (107); the upper convex strips (105) are fixed at equal distances on the bottom surface of the nanofiber membrane (104); and the lower convex strips (106) are fixed at equal distances on the bottom surface of the transparent lactic acid composite layer (102); the first substrate layer (101) and the second substrate layer (103) are provided with embedding grooves (107) at positions corresponding to the lower convex strips (106) and the lower convex strips (106).

4. The sand and stone impact resistant glass front shield film according to claim 2, characterized in that: The materials of the first substrate layer (101) and the second substrate layer (103) are optical-grade TPU, PVC or PET, and the first substrate layer (101) and the second substrate layer (103) have the same thickness.

5. The sand and stone impact resistant glass front shield film according to claim 1, characterized in that: The thickness of the pressure-sensitive adhesive layer (2) is 3-8 μm, and the thickness of the transparent release protective film layer (3) is 16-75 μm.

6. The sand and stone impact resistant glass front shield film according to claim 1, characterized in that: The material of the transparent release protective film layer (3) is a PET release film, and the material of the anti-scratch layer (5) is a wear-resistant polyurethane.

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