Antistatic transparent containment film and method for its production

Abstract

This invention relates to the field of PVC film technology, and particularly to an antistatic transparent enclosure film and its preparation method. The antistatic transparent enclosure film includes a PVC layer, the top surface of which is provided with a conductive mesh, which is printed with antistatic paint. By weight, the raw materials for preparing the PVC layer include the following components: 100 parts PVC resin, 22-26 parts DOTP, 1.5-2 parts organotin stabilizer, 1-3.5 parts antistatic agent, 3-5 parts styrene-maleic anhydride copolymer, 0.5-1 part lubricant, 0.2-0.5 parts antioxidant, 8-10 parts flame retardant, and 0.5-1.5 parts coupling agent. The antistatic transparent enclosure film of this invention has a low surface resistance, allowing static electricity to be conducted away through the conductive mesh, effectively reducing the adhesion of dust in the air due to static electricity and avoiding safety hazards caused by static accumulation.

Description

Technical Field

[0001] This invention relates to the field of PVC film technology, and in particular to an antistatic transparent enclosure film and its preparation method. Background Technology

[0002] In some enclosed areas, such as cleanrooms, workshops, and electronics factory production lines, transparent antistatic enclosure films are required. Transparent films increase light in the enclosed area, reducing feelings of confinement and discomfort for personnel. Furthermore, the films are fixed with supports, allowing for easy adjustment of partition positions, offering high flexibility. However, current enclosure films are typically made of materials like PVC, which have high electrical resistance and easily attract dust from the air due to static electricity, resulting in surface dust accumulation and hindering daily cleaning. In addition, the surface of these films is prone to safety risks due to static electricity buildup. While antistatic membrane materials exist, the addition of antistatic agents can affect the processing and performance of the membrane material; therefore, the amount of antistatic agent used in membrane materials is low, and the antistatic effect needs further improvement. Summary of the Invention

[0003] In view of the shortcomings of the prior art, the purpose of this invention is to provide an antistatic transparent shielding film and its preparation method, which aims to reduce the resistance of the antistatic transparent shielding film and improve its strength.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: The first aspect of this invention provides an antistatic transparent enclosure film, comprising a PVC layer, wherein a conductive mesh is disposed on the top surface of the PVC layer, the conductive mesh being printed with antistatic paint; the raw materials for preparing the PVC layer, by weight, include the following components: 100 parts of PVC resin, 22-26 parts of DOTP, 1.5-2 parts of organotin stabilizer, 1-3.5 parts of antistatic agent, 3-5 parts of styrene-maleic anhydride copolymer, 0.5-1 part of lubricant, 0.2-0.5 parts of antioxidant, 8-10 parts of flame retardant, and 0.5-1.5 parts of coupling agent.

[0005] The antistatic transparent enclosure film, wherein the antistatic agent includes nonionic antistatic agents and ionic antistatic agents.

[0006] The antistatic transparent enclosure film, wherein the nonionic antistatic agent is selected from at least one of polyethylene glycol fatty acid ester, glyceryl monostearate, and polyoxyethylene alkylamine.

[0007] The antistatic transparent enclosure film, wherein the ionic antistatic agent is selected from betaine-based antistatic agents or imidazoline-based antistatic agents.

[0008] The antistatic transparent enclosure film, wherein the antistatic agent is composed of polyethylene glycol fatty acid ester and betaine-based antistatic agent in a mass ratio of (2-4):1.

[0009] The antistatic transparent enclosure film, wherein the lubricant is butyl stearate.

[0010] The antistatic transparent enclosure film, wherein the antioxidant includes phenolic antioxidants and phosphite-based auxiliary antioxidants.

[0011] The antistatic transparent enclosure film, wherein the flame retardant is triisopropylphenyl phosphate.

[0012] The antistatic transparent enclosure film, wherein the antistatic paint is a polyurethane antistatic paint.

[0013] A second aspect of the present invention provides a method for preparing an antistatic transparent shielding film, which is used to prepare the antistatic transparent shielding film as described above, comprising the following steps: S01. Mix all the raw materials and stir at high speed for 360 seconds at a temperature of 95-100℃; S02. Plasticize at 190-195℃ for 300s; S03. Calendering is performed at a temperature of 180–205°C to obtain a PVC layer; S04. Print antistatic paint on the PVC layer to obtain the antistatic transparent enclosure film.

[0014] Beneficial Effects: This invention provides an antistatic transparent shielding film, comprising a PVC layer and a conductive mesh layer. The PVC layer contains an antistatic agent and possesses inherent antistatic properties. Furthermore, this invention applies an antistatic paint printed onto the surface of the PVC layer to form a conductive mesh layer, increasing the conductivity of the shielding film and significantly reducing static electricity accumulation on the film. This reduces dust accumulation on the film surface and improves safety during use. Attached Figure Description

[0015] Figure 1 A physical image of the antistatic transparent enclosure film provided by this invention. Detailed Implementation

[0016] This invention provides an antistatic transparent protective film and its preparation method. To make the objectives, technical solutions, and effects of this invention clearer and more explicit, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the invention and are not intended to limit the invention.

[0017] The first aspect of this invention provides an antistatic transparent enclosure film, comprising a PVC layer, wherein a conductive mesh is disposed on the top surface of the PVC layer, the conductive mesh being printed with antistatic paint; the raw materials for preparing the PVC layer, by weight, include the following components: 100 parts of PVC resin, 22-26 parts of DOTP, 1.5-2 parts of organotin stabilizer, 1-3.5 parts of antistatic agent, 3-5 parts of styrene-maleic anhydride copolymer, 0.5-1 part of lubricant, 0.2-0.5 parts of antioxidant, 8-10 parts of flame retardant, and 0.5-1.5 parts of coupling agent.

[0018] Of the components listed above, dioctyl terephthalate (DOTP) is a plasticizer used to improve the processing performance of PVC resin. Organotin stabilizers are used to inhibit thermal decomposition during PVC processing, ensuring transparency. Antistatic agents are used to reduce the surface resistance of the film, thereby reducing static electricity accumulation and dust adsorption on the film surface. Excessive use of antistatic agents can lead to decreased processing performance, such as reduced transparency and reduced printability of antistatic paint. Styrene-maleic anhydride copolymer (SMA) can reduce precipitation problems and can be functionally enhanced through the anhydride groups of maleic anhydride (MAH). However, excessive use can cause the encapsulating film to become brittle and less flexible. Furthermore, excessive SMA can increase the resistance of the PVC layer. Lubricants are used to improve the processing performance of the materials, making the raw materials more uniform during mixing and plasticizing, and improving the flowability of the materials. Antioxidants are used to delay the aging and degradation of PVC. Coupling agents are used to connect PVC and antistatic paint, improving the printability of the antistatic paint on the PVC film.

[0019] The conductive mesh is printed with antistatic paint and has low resistance, which can conduct away static electricity from the PVC film, thereby eliminating the accumulation of static electricity on the PVC film.

[0020] Preferably, the antistatic agent includes nonionic and ionic antistatic agents. Nonionic antistatic agents have molecular structures containing both lipophilic and hydrophilic groups. During processing, the lipophilic groups are anchored between PVC molecular chains, while the hydrophilic groups migrate to the film surface to form a continuous conductive film. Ionic antistatic agents contain both cations and anions within their molecules, allowing them to dissociate into ions without relying on water, achieving rapid charge dissipation through ion conduction. However, they exhibit strong migration and are prone to precipitation. Combining the two can compensate for the shortcomings of a single agent. For example, nonionic antistatic agents have good compatibility, but require a relatively large dosage to achieve a good low surface resistance; however, excessive dosage can lead to decreased film transparency. Combining the two agents reduces the dosage of each, thereby mitigating their negative impacts and improving the antistatic effect.

[0021] Preferably, the nonionic antistatic agent is selected from at least one of polyethylene glycol fatty acid esters, glyceryl monostearate, and polyoxyethylene alkylamines.

[0022] Preferably, the ionic antistatic agent is selected from betaine-based antistatic agents or imidazoline-based antistatic agents.

[0023] Preferably, the antistatic agent is composed of polyethylene glycol fatty acid ester and betaine-based antistatic agent in a mass ratio of (2-4):1. Both polyethylene glycol fatty acid ester and betaine-based antistatic agent are low-exudation components, have good compatibility with PVC and DOTP, and have little impact on the transparency of the film. At the same time, the proportion of polyethylene glycol fatty acid ester should not be too high, otherwise a small amount of exudation will still occur. Similarly, the proportion of betaine-based antistatic agent should not be too high, otherwise moisture absorption will occur.

[0024] Preferably, the lubricant is butyl stearate. Butyl stearate is an internal lubricant with excellent compatibility with PVC. It mainly acts within the PVC molecular chain, reducing intermolecular friction and preventing excessive migration to the film surface.

[0025] Preferably, the antioxidant includes phenolic antioxidants and phosphite-based auxiliary antioxidants. Specifically, the phenolic antioxidant is antioxidant 1010, and the phosphite-based auxiliary antioxidant is antioxidant 168.

[0026] Preferably, the flame retardant is triisopropylphenyl phosphate. During combustion, triisopropylphenyl phosphate decomposes to produce acidic substances such as phosphoric acid and polyphosphoric acid, which capture active free radicals during combustion, inhibit free radical chain reactions, and block the combustion cycle of combustible gases.

[0027] Preferably, the antistatic paint is a polyurethane antistatic paint. Polyurethane resin contains polar groups such as hydroxyl (-OH) and isocyanate (-NCO) groups, which can be well bonded to the surface of PVC film.

[0028] A second aspect of the present invention provides a method for preparing an antistatic transparent shielding film, which is used to prepare the antistatic transparent shielding film as described above, comprising the following steps: S01. Mix all the raw materials and stir at high speed for 360 seconds at a temperature of 95-100℃; S02. Plasticize at 190-195℃ for 300s; S03. Calendering is performed at a temperature of 180–205°C to obtain a PVC layer; S04. Print antistatic paint on the PVC layer to obtain the antistatic transparent enclosure film.

[0029] The present invention will be further illustrated by the following examples and comparative examples.

[0030] Example 1 An antistatic transparent enclosure film includes a PVC layer, wherein a conductive mesh is provided on the top surface of the PVC layer, and the conductive mesh is printed with antistatic paint. The raw materials for preparing the PVC layer, by weight, consist of the following components: 100 parts PVC resin, 24 parts DOTP, 1.5 parts organotin stabilizer, 3.5 parts antistatic agent, 4 parts styrene-maleic anhydride copolymer, 0.6 parts lubricant, 0.3 parts antioxidant, 9 parts flame retardant, and 1 part silane coupling agent. The antistatic agent is composed of polyethylene glycol fatty acid ester and tetradecyl dimethyl betaine in a mass ratio of 3:1. The lubricant is butyl stearate; The antioxidant is composed of antioxidant 1010 and antioxidant 168 in a mass ratio of 1:1; The flame retardant is triisopropylphenyl phosphate; The method for preparing the antistatic transparent shielding film includes the following steps: S01. Mix all the raw materials and stir at high speed for 360 seconds at a temperature of 100°C; S02. Plasticize at 195℃ for 300s; S03. Calendering: the temperature of the first roll is 205℃, the temperature of the second roll is 205℃, the temperature of the third roll is 200℃, the temperature of the fourth roll is 200℃, the temperature of the fifth roll is 195℃, and the temperature of the sixth roll is 185℃, to obtain a PVC layer; S04. Print polyurethane antistatic paint on the PVC layer to obtain an antistatic transparent enclosure film.

[0031] Example 2 An antistatic transparent enclosure film includes a PVC layer, wherein a conductive mesh is provided on the top surface of the PVC layer, and the conductive mesh is printed with antistatic paint. The raw materials for preparing the PVC layer, by weight, consist of the following components: 100 parts PVC resin, 24 parts DOTP, 1.5 parts organotin stabilizer, 3.5 parts antistatic agent, 4 parts styrene-maleic anhydride copolymer, 0.6 parts lubricant, 0.3 parts antioxidant, 9 parts flame retardant, and 1 part silane coupling agent. The antistatic agent is a polyethylene glycol fatty acid ester; The lubricant is butyl stearate; The antioxidant is composed of antioxidant 1010 and antioxidant 168 in a mass ratio of 1:1; The flame retardant is triisopropylphenyl phosphate; The preparation method in this embodiment is the same as in Embodiment 1.

[0032] Example 3 An antistatic transparent enclosure film includes a PVC layer, wherein a conductive mesh is provided on the top surface of the PVC layer, and the conductive mesh is printed with antistatic paint. The raw materials for preparing the PVC layer, by weight, consist of the following components: 100 parts PVC resin, 24 parts DOTP, 1.5 parts organotin stabilizer, 1.5 parts antistatic agent, 4 parts styrene-maleic anhydride copolymer, 0.6 parts lubricant, 0.3 parts antioxidant, 9 parts flame retardant, and 1 part silane coupling agent. The antistatic agent is tetradecyl dimethyl betaine; The lubricant is butyl stearate; The antioxidant is composed of antioxidant 1010 and antioxidant 168 in a mass ratio of 1:1; The flame retardant is triisopropylphenyl phosphate; The preparation method in this embodiment is the same as in Embodiment 1.

[0033] Example 4 An antistatic transparent enclosure film includes a PVC layer, wherein a conductive mesh is provided on the top surface of the PVC layer, and the conductive mesh is printed with antistatic paint. The raw materials for preparing the PVC layer, by weight, consist of the following components: 100 parts PVC resin, 22 parts DOTP, 1.5 parts organotin stabilizer, 2.5 parts antistatic agent, 4 parts styrene-maleic anhydride copolymer, 0.6 parts lubricant, 0.3 parts antioxidant, 9 parts flame retardant, and 1 part silane coupling agent. The antistatic agent is composed of polyethylene glycol fatty acid ester and tetradecyl dimethyl betaine in a mass ratio of 3:1. The lubricant is butyl stearate; The antioxidant is composed of antioxidant 1010 and antioxidant 168 in a mass ratio of 1:1; The flame retardant is triisopropylphenyl phosphate; The preparation method in this embodiment is the same as in Embodiment 1.

[0034] Example 5 An antistatic transparent enclosure film includes a PVC layer, wherein a conductive mesh is provided on the top surface of the PVC layer, and the conductive mesh is printed with antistatic paint. The raw materials for preparing the PVC layer, by weight, consist of the following components: 100 parts PVC resin, 24 parts DOTP, 1.5 parts organotin stabilizer, 3.5 parts antistatic agent, 4 parts styrene-maleic anhydride copolymer, 0.6 parts lubricant, 0.3 parts antioxidant, 9 parts flame retardant, and 1 part silane coupling agent. The antistatic agent is composed of polyoxyethylene alkylamine and betaine-based antistatic agent in a mass ratio of 3:1; The lubricant is butyl stearate; The antioxidant is composed of antioxidant 1010 and antioxidant 168 in a mass ratio of 1:1; The flame retardant is triisopropylphenyl phosphate; The preparation method in this embodiment is the same as in Embodiment 1.

[0035] Comparative Example 1 An antistatic transparent enclosure film includes a PVC layer, wherein a conductive mesh is provided on the top surface of the PVC layer, and the conductive mesh is printed with antistatic paint. The raw materials for preparing the PVC layer, by weight, consist of the following components: 100 parts PVC resin, 24 parts DOTP, 1.5 parts organotin stabilizer, 4.5 parts antistatic agent, 4 parts styrene-maleic anhydride copolymer, 0.6 parts lubricant, 0.3 parts antioxidant, 9 parts flame retardant, and 1 part silane coupling agent. The antistatic agent is composed of polyethylene glycol fatty acid ester and tetradecyl dimethyl betaine in a mass ratio of 3:1. The lubricant is butyl stearate; The antioxidant is composed of antioxidant 1010 and antioxidant 168 in a mass ratio of 1:1; The flame retardant is triisopropylphenyl phosphate; The preparation method for this comparative example is the same as that for Example 1.

[0036] Comparative Example 2 An antistatic transparent enclosure film includes a PVC layer, wherein a conductive mesh is provided on the top surface of the PVC layer, and the conductive mesh is printed with antistatic paint. The raw materials for preparing the PVC layer, by weight, consist of the following components: 100 parts PVC resin, 24 parts DOTP, 1.5 parts organotin stabilizer, 3.5 parts antistatic agent, 0.6 parts lubricant, 0.3 parts antioxidant, 9 parts flame retardant, and 1 part silane coupling agent. The antistatic agent is composed of polyethylene glycol fatty acid ester and tetradecyl dimethyl betaine in a mass ratio of 3:1. The lubricant is butyl stearate; The antioxidant is composed of antioxidant 1010 and antioxidant 168 in a mass ratio of 1:1; The flame retardant is triisopropylphenyl phosphate; The preparation method for this comparative example is the same as that for Example 1.

[0037] Comparative Example 3 An antistatic transparent enclosure film includes a PVC layer, wherein a conductive mesh is provided on the top surface of the PVC layer, and the conductive mesh is printed with antistatic paint. The raw materials for preparing the PVC layer, by weight, consist of the following components: 100 parts PVC resin, 24 parts DOTP, 1.5 parts organotin stabilizer, 3.5 parts antistatic agent, 6 parts styrene-maleic anhydride copolymer, 0.6 parts lubricant, 0.3 parts antioxidant, 9 parts flame retardant, and 1 part silane coupling agent. The antistatic agent is composed of polyethylene glycol fatty acid ester and tetradecyl dimethyl betaine in a mass ratio of 3:1. The lubricant is butyl stearate; The antioxidant is composed of antioxidant 1010 and antioxidant 168 in a mass ratio of 1:1; The flame retardant is triisopropylphenyl phosphate; The preparation method for this comparative example is the same as that for Example 1.

[0038] Comparative Example 4 An antistatic transparent enclosure film includes a PVC layer, wherein a conductive mesh is provided on the top surface of the PVC layer, and the conductive mesh is printed with antistatic paint. The raw materials for preparing the PVC layer, by weight, consist of the following components: 100 parts PVC resin, 24 parts DOTP, 1.5 parts organotin stabilizer, 3.5 parts antistatic agent, 4 parts styrene-maleic anhydride copolymer, 0.6 parts lubricant, 0.3 parts antioxidant, and 9 parts flame retardant. The antistatic agent is composed of polyethylene glycol fatty acid ester and tetradecyl dimethyl betaine in a mass ratio of 3:1. The lubricant is butyl stearate; The antioxidant is composed of antioxidant 1010 and antioxidant 168 in a mass ratio of 1:1; The flame retardant is triisopropylphenyl phosphate; The preparation method for this comparative example is the same as that for Example 1.

[0039] Comparative Example 5 An antistatic transparent enclosure film includes a PVC layer, wherein a conductive mesh is provided on the top surface of the PVC layer, and the conductive mesh is printed with antistatic paint. The raw materials for preparing the PVC layer, by weight, consist of the following components: 100 parts PVC resin, 24 parts DOTP, 1.5 parts organotin stabilizer, 3.5 parts antistatic agent, 4 parts styrene-maleic anhydride copolymer, 0.6 parts lubricant, 0.3 parts antioxidant, 9 parts flame retardant, and 3 parts silane coupling agent. The antistatic agent is composed of polyethylene glycol fatty acid ester and tetradecyl dimethyl betaine in a mass ratio of 3:1. The lubricant is butyl stearate; The antioxidant is composed of antioxidant 1010 and antioxidant 168 in a mass ratio of 1:1; The flame retardant is triisopropylphenyl phosphate; The preparation method for this comparative example is the same as that for Example 1.

[0040] The performance of the antistatic transparent enclosure film of the above embodiments and comparative examples was tested, and the results are shown in Table 1.

[0041] The surface resistance of the PVC layer on both sides of the antistatic transparent protective film was tested using a handheld resistance meter. The adhesion of the printed layer was tested using a cross-cut test.

[0042] Table 1

[0043] The results above show that Example 1 exhibits the best overall performance compared to other examples. The PVC layer surface has low resistance, and the appearance and feel meet requirements. Furthermore, the conductive mesh printed on the surface has good abrasion resistance. Because the top of Example 1 is printed with a conductive mesh, its surface resistance is significantly lower.

[0044] Compared to Example 1, Example 2 exhibits slightly higher resistance, and a small amount of powder precipitates on the roller during processing. This is because Example 2 uses only polyethylene glycol fatty acid ester as an antistatic agent, which has high polarity. When used alone in large quantities, it easily migrates to the surface, causing the surface to absorb moisture and become sticky.

[0045] Compared to Example 1, Example 3 showed a slightly higher resistance and a small amount of powder precipitation. This is because betaine-based antistatic agents have strong migration properties, and excessive amounts can easily lead to precipitation.

[0046] Compared with Example 1, Example 4 uses a smaller total amount of antistatic agent, therefore, the overall resistance is slightly higher.

[0047] Compared with Example 1, Example 5 uses polyoxyethylene alkylamine instead of polyethylene glycol fatty acid ester. The results show that the resistance of the PVC layer is slightly increased, reflecting that polyethylene glycol fatty acid ester and betaine-based antistatic agents have a good synergistic effect.

[0048] Compared to Example 1, Comparative Example 1 used a larger amount of antistatic agent. The results showed that more powder was precipitated during processing, leading to a decrease in transparency. Because the precipitate was on the surface of the PVC layer, it affected the bonding between the conductive paint and the PVC layer, resulting in weak paint adhesion and easy paint peeling.

[0049] Compared with Example 1, Comparative Example 2 did not add styrene-maleic anhydride copolymer. The results showed that without SMA, antistatic agents and other additives were more likely to migrate and precipitate from PVC, resulting in more powder, reduced transparency, and the precipitated components also affected the bonding of the paint.

[0050] Compared with Example 1, Comparative Example 3 used a larger amount of styrene-maleic anhydride copolymer. Although styrene-maleic anhydride copolymer can reduce the migration and precipitation of additives, styrene-maleic anhydride copolymer itself has a high resistance. Excessive use will also lead to an increase in the resistance of the PVC layer surface, weakening the effect of the antistatic agent.

[0051] Compared with Example 1, Comparative Example 4 did not use a silane coupling agent. As a result, paint peeling was prone to occur after repeated rubbing. The main reason is that the bonding between the paint and the PVC matrix is ​​relatively weak when a silane coupling agent is not used.

[0052] Compared with Example 1, Comparative Example 5 used a larger amount of silane coupling agent. As a result, its transparency decreased and powder was precipitated on the surface. The main reason is that when there is too much silane coupling agent, it will form self-polymerization, which will reduce the transparency. In addition, the self-polymerization products will migrate to the surface to form powder precipitation, and at the same time, it will destroy the interfacial bonding between the conductive paint and the substrate, resulting in paint peeling.

[0053] It is understood that those skilled in the art can make equivalent substitutions or modifications to the technical solution and inventive concept of the present invention, and all such substitutions or modifications should fall within the protection scope of the appended claims.

Claims

1. An antistatic transparent enclosure film, characterized in that, Includes a PVC layer, the top surface of which is provided with a conductive mesh, the conductive mesh being printed with antistatic paint; The raw materials for preparing the PVC layer, by weight, include the following components: 100 parts PVC resin, 22-26 parts DOTP, 1.5-2 parts organotin stabilizer, 1-3.5 parts antistatic agent, 3-5 parts styrene-maleic anhydride copolymer, 0.5-1 part lubricant, 0.2-0.5 parts antioxidant, 8-10 parts flame retardant, and 0.5-1.5 parts coupling agent.

2. The antistatic transparent enclosure film according to claim 1, characterized in that, The antistatic agent includes nonionic antistatic agents and ionic antistatic agents.

3. The antistatic transparent enclosure film according to claim 2, characterized in that, The nonionic antistatic agent is selected from at least one of polyethylene glycol fatty acid esters, glyceryl monostearate, and polyoxyethylene alkylamines.

4. The antistatic transparent enclosure film according to claim 2, characterized in that, The ionic antistatic agent is selected from betaine-based antistatic agents or imidazoline-based antistatic agents.

5. The antistatic transparent enclosure film according to claim 2, characterized in that, The antistatic agent is composed of polyethylene glycol fatty acid esters and betaine-based antistatic agents in a mass ratio of (2-4):

1.

6. The antistatic transparent enclosure film according to claim 1, characterized in that, The lubricant is butyl stearate.

7. The antistatic transparent enclosure film according to claim 1, characterized in that, The antioxidants include phenolic antioxidants and phosphite-based auxiliary antioxidants.

8. The antistatic transparent enclosure film according to claim 1, characterized in that, The flame retardant is triisopropylphenyl phosphate.

9. The antistatic transparent enclosure film according to claim 1, characterized in that, The antistatic paint is a polyurethane antistatic paint.

10. A method for preparing an antistatic transparent shielding film, characterized in that, The method for preparing the antistatic transparent enclosure film as described in any one of claims 1-9 comprises the following steps: S01. Mix all the raw materials and stir at high speed for 360 seconds at a temperature of 95-100℃; S02. Plasticize at 190-195℃ for 300s; S03. Calendering is performed at a temperature of 180–205°C to obtain a PVC layer; S04. Print antistatic paint on the PVC layer to obtain the antistatic transparent enclosure film.

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