Anti-static EVA (Ethylene Vinyl Acetate) sheet
Through multi-layer structure design, combining conductive coal powder, ethylene acetate copolymer, polyimide and polyethylene materials, antibacterial factors are added and anti-corrosion coatings are applied, which solves the static, ultraviolet, impact and corrosion problems of EVA sheets, and improves the improvement of the static, ultraviolet, impact and corrosion problems of EVA sheets. Its conductivity, heat resistance, antibacterial and corrosion-resistant properties.
Patent Information
- Application Number
- CN202421050103.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The existing EVA sheet lacks anti-static, ultraviolet, impact and corrosion functions, which makes it susceptible to electrostatic damage, ultraviolet radiation, impact and corrosion during use.
EVA sheet design adopts a multi-layer structure, in which the first layer is mixed with conductive coal powder material, the second layer is combined with ethylene acetic acid and ethylene copolymer material, the third layer is mixed with polyimide material, and the fourth layer is composed of poly It is composed of ethylene material, and antibacterial factors are added to the fifth layer, and anti-corrosion coating is applied to the outer surface of the sixth layer to form a protective layer that is conductive, heat-resistant, impact-resistant, anti-bacterial and anti-corrosion.
Effectively prevent static electricity accumulation, enhance UV resistance, improve impact resistance and toughness, inhibit mold growth, and form a protective film to resist chemical corrosion, significantly improve the practicality and functionality of EVA sheets.
Smart Images

Figure CN222246444U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of EVA sheets, in particular to an antistatic EVA sheet. Background Art
[0002] EVA sheet is one of the most widely used materials in China. EVA sheet has the characteristics of strong plasticity, good appearance, light weight, various colors, uniform thickness, environmental protection, non-toxic and pollution-free, and can be degraded and recycled. With the development of science and technology and the needs of the market, EVA's production technology continues to improve, and its application areas are constantly expanding. At present, EVA sheets have been widely used in footwear, films, wires and cables, toys, hot melt adhesives, coatings and other fields. At the same time, with the research and development and application of new EVA technology, built-in vinyl cellulose technology, heat-resistant technology, high-performance EVA technology, low-temperature shape memory technology, etc., the performance of EVA materials has been further improved, and its application areas will continue to expand.
[0003] The prior art has the following deficiencies: the existing EVA sheet does not have an anti-static function, the existing EVA sheet does not have a strong UV protection effect, the EVA sheet has a poor impact resistance effect, and the outer surface anti-corrosion effect of the EVA sheet is poor. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes an antistatic EVA sheet material.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anti-static EVA sheet, including an EVA sheet body, one side of the EVA sheet body is provided with a decorative pattern one, the other side of the EVA sheet body is provided with a decorative pattern two, the EVA sheet body is provided with heat dissipation holes, the EVA sheet body consists of a first layer, a second layer, a third layer, a fourth layer, a fifth layer, and a sixth layer, the lower surface of the first layer is fixedly connected to the second layer, the lower surface of the second layer is fixedly connected to the third layer, the lower surface of the third layer is fixedly connected to the fourth layer, the lower surface of the fourth layer is fixedly connected to the fifth layer, and the lower surface of the fifth layer is fixedly connected to the sixth layer.
[0006] As a further description of the above technical solution:
[0007] There are a number of heat dissipation holes arranged on the EVA sheet body, the second layer is arranged between the fourth layer and the third layer, the third layer is arranged between the second layer and the fourth layer, the fourth layer is arranged between the third layer and the fifth layer, and the fifth layer is arranged between the fourth layer and the sixth layer.
[0008] As a further description of the above technical solution:
[0009] The first layer is mixed with conductive coal powder material.
[0010] As a further description of the above technical solution:
[0011] The second layer is made of a combination of ethylene acetate and ethylene copolymer materials.
[0012] As a further description of the above technical solution:
[0013] The third layer is made of a mixture of polyimide materials.
[0014] As a further description of the above technical solution:
[0015] The fourth layer is composed of polyethylene materials.
[0016] As a further description of the above technical solution:
[0017] Antibacterial factors are added into the fifth layer.
[0018] As a further description of the above technical solution:
[0019] The outer surface of the sixth layer is coated with anti-corrosion paint.
[0020] The utility model has the following beneficial effects:
[0021] 1. In the utility model, conductive coal powder material is mixed in the first layer, so that the EVA sheet body can give the material good conductive properties, so that it can prevent static electricity for a longer time, is not affected by the dryness and wetness of the environment, effectively prevents the damage of static electricity accumulation to the EVA sheet body, and can effectively improve the practicality of the EVA sheet body. The second layer is composed of ethylene acetate and ethylene copolymer materials, so that the EVA sheet body has higher physical properties, and the EVA sheet body has shockproof, buffering, sound insulation, and heat insulation effects, thereby improving the efficiency of the EVA sheet body and making the EVA sheet body have stronger functions.
[0022] 2. In the utility model, the third layer is mixed with polyimide materials, so that the EVA sheet body has extremely high heat resistance and UV resistance, which can effectively reduce ultraviolet radiation mainly from sunlight. Long-term exposure to ultraviolet rays will cause the EVA sheet body to fade in color, age and deteriorate on the surface.
[0023] 3. In the utility model, the fourth layer is composed of polyethylene materials, so that the EVA sheet body has good toughness and impact resistance, and also has certain heat resistance and electrical insulation, which can maintain the integrity and stability of the EVA sheet body structure and reduce damage or deformation caused by impact.
[0024] 4. In the utility model, by adding antibacterial factors into the fifth layer, the growth of various molds and bacteria can be effectively inhibited inside the EVA sheet body, and the growth and breeding of mold can be effectively prevented, thereby improving the antibacterial properties of the EVA sheet body. By coating the outer surface of the sixth layer with anti-corrosion coating, a protective film is formed on the outer surface of the EVA sheet body to prevent corrosion, so that the EVA sheet body can resist corrosion factors such as chemical corrosion and electrochemical corrosion, and protect the EVA sheet body from damage. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 A three-dimensional structure diagram of an antistatic EVA sheet proposed in the utility model Figure 1 ;
[0026] Figure 2 A three-dimensional structure diagram of an antistatic EVA sheet proposed in the utility model Figure 1 ;
[0027] Figure 3 This is a schematic diagram of the cross-sectional structure of an antistatic EVA sheet proposed by the utility model;
[0028] Figure 4 for Figure 3 Enlarged view of point A in the middle.
[0029] Legend:
[0030] 1. EVA sheet body; 2. Heat dissipation holes; 3. Decorative pattern one; 4. Decorative pattern two; 5. First layer; 6. Second layer; 7. Third layer; 8. Fourth layer; 9. Fifth layer; 10. Sixth layer. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0032] Reference Figure 1-Figure 4The utility model provides an embodiment: an antistatic EVA sheet, an EVA sheet body 1, a decorative pattern 1 3 is provided on one side of the EVA sheet body 1, a decorative pattern 2 4 is provided on the other side of the EVA sheet body 1, a heat dissipation hole 2 is provided on the EVA sheet body 1, the EVA sheet body 1 is composed of a first layer 5, a second layer 6, a third layer 7, a fourth layer 8, a fifth layer 9, and a sixth layer 10, the lower surface of the first layer 5 is fixedly connected with the second layer 6, the lower surface of the second layer 6 is fixedly connected with the third layer 7, the lower surface of the third layer 7 is fixedly connected with the fourth layer 8, the lower surface of the fourth layer 8 is fixedly connected with the fifth layer 9, and the lower surface of the fifth layer 9 is fixedly connected with the sixth layer 10, and a plurality of heat dissipation holes 2 are provided and arranged on the EVA sheet body 1 The second layer 6 is arranged between the fourth layer 8 and the third layer 7, the third layer 7 is arranged between the second layer 6 and the fourth layer 8, the fourth layer 8 is arranged between the third layer 7 and the fifth layer 9, and the fifth layer 9 is arranged between the fourth layer 8 and the sixth layer 10. By providing the decorative pattern 1 3 and the decorative pattern 2 4, the outer surface of the EVA sheet body 1 is more beautiful, thereby improving the aesthetics of the EVA sheet body 1 and making the EVA sheet body 1 more popular with users. By providing the heat dissipation holes 2, the EVA sheet body 1 can effectively dissipate heat, thereby enhancing the heat dissipation effect of the EVA sheet body 1. By mixing the conductive coal powder material in the first layer 5, the EVA sheet body 1 can give the material good conductive properties, thereby preventing static electricity for a longer time and not being affected by the dryness and wetness of the environment. The invention can effectively prevent the damage of static electricity accumulation to the EVA sheet body 1, and can effectively improve the practicality of the EVA sheet body 1. The second layer 6 is composed of ethylene acetate and ethylene copolymer materials, so that the EVA sheet body 1 has higher physical properties, and the EVA sheet body 1 has shockproof, buffering, sound insulation, and heat insulation effects, thereby improving the efficiency of the EVA sheet body 1 and making the EVA sheet body 1 have stronger functions. The third layer 7 is mixed with polyimide materials, so that the EVA sheet body 1 has extremely high heat resistance and UV resistance, and can effectively reduce UV radiation mainly from sunlight. Long-term exposure to ultraviolet rays will cause the EVA sheet body 1 to fade in color, age on the surface, and deteriorate. The fourth layer 8 is made of polyimide materials. The EVA sheet body 1 is composed of ethylene materials, so that it has good toughness and impact resistance, as well as certain heat resistance and electrical insulation, which can maintain the integrity and stability of the structure of the EVA sheet body 1 and reduce damage or deformation caused by impact. The fifth layer 9 contains antibacterial factors, so that the growth of various molds and bacteria can be effectively inhibited inside the EVA sheet body 1, and the growth and breeding of mold can be effectively prevented, thereby improving the antibacterial performance of the EVA sheet body 1. The outer surface of the sixth layer 10 is coated with an anti-corrosion coating, so that a protective film is formed on the outer surface of the EVA sheet body 1 to prevent corrosion, so that the EVA sheet body 1 can resist corrosion factors such as chemical corrosion and electrochemical corrosion, and protect the EVA sheet body 1 from damage.
[0033] The first layer 5 is mixed with conductive coal powder material, the second layer 6 is composed of ethylene acetate and ethylene copolymer materials, the third layer 7 is mixed with polyimide materials, the fourth layer 8 is composed of polyethylene materials, the fifth layer 9 is added with antibacterial factors, and the outer surface of the sixth layer 10 is coated with anti-corrosion paint.
[0034] Working principle: by providing decorative pattern 1 3 and decorative pattern 2 4, the outer surface of the EVA sheet body 1 is made more beautiful, thereby improving the aesthetics of the EVA sheet body 1 and making the EVA sheet body 1 more popular with users. By providing heat dissipation holes 2, the EVA sheet body 1 can effectively dissipate heat, thereby enhancing the heat dissipation effect of the EVA sheet body 1. By mixing the conductive coal powder material in the first layer 5, the EVA sheet body 1 can give the material good conductive properties, thereby preventing static electricity for a longer time, not being affected by the dryness and wetness of the environment, and effectively preventing the damage of the EVA sheet body 1 to the static electricity accumulation, which can effectively improve the practicality of the EVA sheet body 1. By the second layer 6 composed of ethylene acetate and ethylene copolymer materials, the EVA sheet body 1 has higher physical properties, and the EVA sheet body 1 has shockproof, buffering, sound insulation and heat insulation effects, thereby improving the efficiency of the EVA sheet body 1 and making the EVA sheet body 1 have stronger functions. By the third layer 7 mixed with polyimide materials, The EVA sheet body 1 has extremely high heat resistance and UV resistance, and can effectively reduce UV radiation mainly from sunlight. Long-term exposure to ultraviolet rays will cause the EVA sheet body 1 to fade in color, age and deteriorate on the surface. The fourth layer 8 is composed of polyethylene materials, so that the EVA sheet body 1 has good toughness and impact resistance, and also has certain heat resistance and electrical insulation, which can maintain the integrity and stability of the EVA sheet body 1 structure and reduce damage or deformation caused by impact. The fifth layer 9 is added with antibacterial factors, so that the inside of the EVA sheet body 1 can effectively inhibit the growth of various molds and bacteria, and can effectively prevent the growth and growth of mold, thereby improving the antibacterial performance of the EVA sheet body 1. The outer surface of the sixth layer 10 is coated with an anti-corrosion coating, so that a protective film is formed on the outer surface of the EVA sheet body 1 to prevent corrosion, so that the EVA sheet body 1 can resist corrosion factors such as chemical corrosion and electrochemical corrosion, and protect the EVA sheet body 1 from damage.
[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 protection scope of the present invention.
Claims
1. An antistatic EVA sheet, comprising an EVA sheet body (1), characterized in that: One side of the EVA sheet body (1) is provided with a decorative pattern 1 (3), and the other side of the EVA sheet body (1) is provided with a decorative pattern 2 (4). The EVA sheet body (1) is provided with a heat dissipation hole (2). The EVA sheet body (1) consists of a first layer (5), a second layer (6), a third layer (7), a fourth layer (8), a fifth layer (9), and a sixth layer (10). The lower surface of the first layer (5) is fixedly connected to the second layer (6), the lower surface of the second layer (6) is fixedly connected to the third layer (7), the lower surface of the third layer (7) is fixedly connected to the fourth layer (8), the lower surface of the fourth layer (8) is fixedly connected to the fifth layer (9), and the lower surface of the fifth layer (9) is fixedly connected to the sixth layer (10).
2. The antistatic EVA sheet according to claim 1, characterized in that: The heat dissipation holes (2) are provided in a plurality and arranged on the EVA sheet body (1); the second layer (6) is provided between the fourth layer (8) and the third layer (7); the third layer (7) is provided between the second layer (6) and the fourth layer (8); the fourth layer (8) is provided between the third layer (7) and the fifth layer (9); and the fifth layer (9) is provided between the fourth layer (8) and the sixth layer (10).
3. The antistatic EVA sheet according to claim 1, characterized in that: The first layer (5) is mixed with conductive coal powder material.
4. The antistatic EVA sheet according to claim 1, characterized in that: The second layer (6) is composed of ethylene acetate and ethylene copolymer materials.
5. The antistatic EVA sheet according to claim 1, characterized in that: The third layer (7) is made of a mixture of polyimide materials.
6. The antistatic EVA sheet according to claim 1, characterized in that: The fourth layer (8) is composed of polyethylene materials.
7. The antistatic EVA sheet according to claim 1, characterized in that: Antibacterial factors are added into the fifth layer (9).
8. The antistatic EVA sheet according to claim 1, characterized in that: The outer surface of the sixth layer (10) is coated with anti-corrosion paint.
