A nano wet wipe with rainproof, fogproof and scale-proof functions

Abstract

A nano wet wipe with rainproof, fogproof and scale-proof functions comprises an inner non-woven fabric substrate and an outer non-woven fabric substrate. A water-proof film is arranged on the upper end of the inner non-woven fabric substrate of the wet wipe, so that the upper and lower end faces of the wet wipe can be used independently. When water stains on the glass need to be wiped, the end face of the wet wipe with the outer non-woven fabric substrate is used to wipe the glass. Due to the coordinated use of the inner water-absorbent cotton and the outer water-absorbent cotton and the effect of the hydrophilic cotton, the water absorption capacity of the outer non-woven fabric substrate is improved, and the wet wipe can quickly absorb water. After wiping, the other end face of the wet wipe is replaced to wipe the glass. After the high-efficiency rainproof and fogproof nano coating on the other end face of the wet wipe contacts and wipes the glass, the surface tension of the water molecules is changed, and a very thin water film is formed on the glass surface, thereby realizing the rainproof and fogproof functions of the glass. After wiping, rainwater is not easy to stay on the glass surface, so it is not easy to adhere to dust, so it is not easy to generate scale.

Description

Technical Field

[0001] The invention relates to the field of wet wipes, and more particularly to a nano wet wipe with rainproof, fogproof and scale-proof functions. Background Art

[0002] When a car is driving in the rain, rain will soon accumulate on the surface of the car glass, especially the rearview mirror and side window glass without wipers. The raindrops will affect the line of sight, causing great safety hazards. At the same time, in an environment with large temperature difference, low temperature and high humidity, a layer of small water droplets will condense on the surface of the car glass to form fog, which will also cause unclear vision and affect the safe driving of the car. When encountering this situation, the driver often just uses the wiper to wipe the front windshield, or uses a dry cloth to wipe the glass on both sides to get a temporary clear view. Some drivers will also apply a layer of detergent on the windshield to obtain a certain rain and fog prevention effect, but this method will reduce the transparency of the glass to a certain extent, produce glare, and increase safety hazards, and the rain and fog prevention effect is not good.

[0003] Moreover, after the weather clears up, raindrops remain on the surface of the glass, absorbing dust, pollen, and oil in the air, which will form scale. In addition to causing cleaning problems, it will also affect the vision of the glass.

[0004] In real life, wet wipes are often used to wipe car glass, but the wet wipes in the prior art are often highly permeable on both sides. After wiping one side, stains and water stains will quickly penetrate into the other side, making it difficult to use both sides of the wet wipes. At the same time, ordinary wet wipes in the prior art are also difficult to achieve defogger and rainproof functions. After wiping the glass, the glass often only has a brief clear view, and the performance is similar to that of a wet towel. In addition, the existing wet wipes will completely penetrate the rainwater on the glass immediately after wiping it. If the wiping area is large, it is often necessary to replace multiple wet wipes for wiping, and its water absorption capacity needs to be improved.

[0005] To this end, we propose a nano wet wipe with rainproof, fogproof and scale-proof functions to effectively improve the performance of wet wipes in the existing technology to meet the needs of automotive use. Summary of the invention

[0006] 1. Technical problems to be solved

[0007] In view of the problems existing in the prior art, the purpose of the present invention is to provide a nano wet wipe with rainproof, anti-fog and anti-scale functions. By arranging a water-proof film on the upper end of the inner non-woven fabric substrate of the wet wipe, the upper and lower end faces of the wet wipe can be used independently. When it is necessary to wipe the water stains on the glass, the end face of the wet wipe with the outer non-woven fabric substrate is used to wipe the glass. Due to the coordinated use of the inner water-absorbent cotton and the outer water-absorbent cotton and the effect of the hydrophilic cotton, it is beneficial to improve the water absorption capacity of the outer non-woven fabric substrate and realize the rapid water absorption of the wet wipe. After wiping is completed, the other end face of the wet wipe is replaced to wipe the glass. After the high-efficiency rainproof and anti-fog nano-coating on the other end face of the wet wipe contacts and wipes the glass, a layer of nano-film is formed on the glass, so that rainwater does not form water droplets, but forms a very thin water film, thereby realizing the function of preventing rain and fog on the glass.

[0008] 2. Technical solution

[0009] To solve the above problems, the present invention adopts the following technical solutions.

[0010] A nano wet wipe with rainproof, fogproof and scale-proof functions, comprising an inner non-woven fabric substrate and an outer non-woven fabric substrate, a water-absorbing layer is arranged between the inner non-woven fabric substrate and the outer non-woven fabric substrate, the water-absorbing layer comprises an inner water-absorbing cotton connected to the inner non-woven fabric substrate and an outer water-absorbing cotton connected to the outer non-woven fabric substrate, the inner water-absorbing cotton and the outer water-absorbing cotton are embedded and connected with each other, the outer non-woven fabric substrate is located on the outer side of the outer water-absorbing cotton, the outer end of the outer non-woven fabric substrate is provided with hydrophilic cotton, a water-isolating film is arranged on the side wall of one end of the inner non-woven fabric substrate away from the inner water-absorbing cotton, the outer end surface of the water-isolating film is provided with a high-efficiency rainproof and fogproof nano coating, and a water-isolating film is arranged on the upper end of the inner non-woven fabric substrate of the wet wipe so that the upper and lower ends of the wet wipe are The two ends of the wet wipes are used independently. When it is necessary to wipe the water stains on the glass, wipe the glass with the end of the wet wipes with the outer non-woven fabric substrate. Due to the coordinated use of the inner water-absorbent cotton and the outer water-absorbent cotton and the effect of the hydrophilic cotton, it is beneficial to improve the water absorption capacity of the outer non-woven fabric substrate and realize the rapid water absorption of the wet wipes. After wiping is completed, replace the other end of the wet wipes to wipe the glass. After the high-efficiency rainproof and anti-fog nano-coating on the other end of the wet wipes comes into contact with the glass and is wiped, a layer of nano-film is formed on the glass, so that rainwater does not form water droplets, but forms a very thin water film, thereby realizing the function of glass to prevent rain and fog. Moreover, after wiping, rainwater is not easy to stay on the glass surface, so that dust is not easy to adhere, and therefore scale is not easy to form.

[0011] Furthermore, the inner non-woven fabric substrate and the outer non-woven fabric substrate are both absorbent non-woven fabrics, which are made of polypropylene spunbond non-woven fabric mixed with 30-55% hydrophilic agent and subjected to hydrophilic treatment, so that hydrophilic groups exist in the absorbent non-woven fabric, thereby effectively improving the water absorption capacity of the wet wipes.

[0012] Furthermore, a plurality of arc-shaped protrusions are evenly distributed on the lower end surface of the inner absorbent cotton, and a plurality of arc-shaped grooves matching the arc-shaped protrusions are evenly distributed on the upper end surface of the outer absorbent cotton. The arc-shaped protrusions and the arc-shaped grooves are tightly embedded in cooperation with each other, which is beneficial to expand the water absorption area of ​​the upper and lower absorbent cottons to a certain extent and effectively improve the water absorption efficiency.

[0013] Furthermore, a plurality of spherical absorbent sponges are movably arranged inside the plurality of arc-shaped protrusions, and a strong absorbent layer with a plurality of tiny pores is provided on the outer end surface of the arc-shaped protrusions. The smaller and more numerous the pores are, the more conducive it is to improving its water absorption performance. The spherical absorbent sponges are coated on the inner side of the strong absorbent layer, and the spherical absorbent sponges can effectively expand and absorb water.

[0014] Furthermore, the hydrophilic cotton is nano cotton, which is mixed with 35-50% of highly absorbent fibers. The hydrophilic cotton is adhered to the outer end of the outer non-woven fabric substrate, which is conducive to the rapid absorption and wiping of water stains on the glass after the outer non-woven fabric substrate contacts the glass.

[0015] Furthermore, the waterproof film is a PE breathable film, and the PE breathable film is a polyethylene resin film mixed with -% calcium carbonate. The waterproof film has a waterproof effect, moisture will not penetrate, and the upper and lower end surfaces of the wet wipes can work independently.

[0016] Furthermore, the high-efficiency rainproof and anti-fog nano-coating is a hydrophilic spunbond cotton spunlace fabric impregnated with nano-coating. The spunbond cotton spunlace fabric itself is flexible and protects the glass surface. After being impregnated with the nano-coating, the wiped glass can effectively have rainproof and anti-fog functions.

[0017] Furthermore, the high-efficiency rainproof and anti-fog nano-coating and the outer end surface of the outer non-woven fabric substrate are respectively provided with a first unidirectional water-locking protective film and a second unidirectional water-locking protective film. The unidirectional water-locking protective film has a certain water-locking effect on the wet wipes. When the wet wipes are not in use, they are protected by the unidirectional water-locking protective film.

[0018] A nano wet wipe with rainproof, fogproof and scale-proof functions, the preparation method of which comprises the following steps:

[0019] Step 1: prepare a soaking liquid for soaking the raw materials of wet wipes, mix appropriate amounts of ethanol, isopropanol, polyethylene glycol, and pure water to prepare a mixed solution A, and mix appropriate amounts of mint essence, water-based detergent, and pure water to prepare a mixed solution B;

[0020] Step 2: Place the A mixture in the reactor A and stir it thoroughly for 25-30 minutes, and maintain the temperature between 15-25°C. Place the B mixture in the reactor B and stir it thoroughly for 20-25 minutes, and maintain the temperature between 13-25°C.

[0021] Step 3: Mix the fully mixed A mixture with the B mixture in a ratio of 1:3 to prepare a soaking liquid, and soak the raw materials such as the inner non-woven fabric substrate and the outer non-woven fabric substrate in the soaking liquid, and finally seal and sterilize the wet wipes with the required rainproof, fogproof and scaleproof functions;

[0022] Furthermore, the A mixture includes the following components in parts by weight: 25-30 parts of ethanol, 10-20 parts of isopropanol, 3-8 parts of polyethylene glycol and 30-45 parts of pure water, and the B mixture includes the following components in parts by weight: 1-3 parts of mint essence, 4-6 parts of water-based detergent and 30-40 parts of RO pure water.

[0023] 3. Beneficial effects

[0024] Compared with the prior art, the advantages of the present invention are:

[0025] (1) In this scheme, the wet wipes are soaked in a specific soaking liquid to achieve the rainproof and anti-fog and high-efficiency anti-scale effects of the wet wipes. By setting a water-proof film on the upper end of the inner non-woven fabric substrate of the wet wipes, the upper and lower end faces of the wet wipes can be used independently. When it is necessary to wipe the water stains on the glass, the end face of the wet wipes with the outer non-woven fabric substrate is used to wipe the glass. Due to the coordinated use of the inner absorbent cotton and the outer absorbent cotton and the effect of the hydrophilic cotton, it is beneficial to improve the water absorption capacity of the outer non-woven fabric substrate and achieve the rapid water absorption of the wet wipes. After wiping is completed, the other end face of the wet wipes is replaced to wipe the glass. After the high-efficiency rainproof and anti-fog nano-coating on the other end face of the wet wipes contacts and wipes the glass, a layer of nano-film is formed on the glass, so that rainwater does not form water droplets, but forms a very thin water film, thereby achieving the function of preventing rain and fog on the glass. In addition, dust is not easily adhered to the glass after wiping, which plays an anti-scale effect.

[0026] (2) Both the inner non-woven fabric substrate and the outer non-woven fabric substrate are water-absorbent non-woven fabrics, which are made of polypropylene spunbond non-woven fabric mixed with 30-55% of a hydrophilic agent and subjected to a hydrophilic treatment, so that hydrophilic groups exist in the water-absorbent non-woven fabric, thereby effectively improving the water absorption capacity of the wet wipes.

[0027] (3) The lower end surface of the inner absorbent cotton is evenly distributed with a plurality of arc-shaped protrusions, and the upper end surface of the outer absorbent cotton is evenly distributed with a plurality of arc-shaped grooves matching the arc-shaped protrusions. The arc-shaped protrusions and the arc-shaped grooves are closely embedded in each other, which is beneficial to expand the water absorption area of ​​the upper and lower absorbent cottons to a certain extent and effectively improve the water absorption efficiency. In addition, a plurality of spherical absorbent sponges are arranged inside the plurality of arc-shaped protrusions, and the outer end surface of the arc-shaped protrusion is provided with a strong water absorption layer with a plurality of fine pores. The smaller and more numerous the pores are, the more beneficial it is to improve its water absorption performance. The spherical absorbent sponge is coated on the inner side of the strong water absorption layer, and the spherical absorbent sponge can effectively expand and absorb water.

[0028] (4) The hydrophilic cotton is nano cotton, which is mixed with 35-50% of highly absorbent fibers. The hydrophilic cotton is adhered to the outer end of the outer non-woven fabric substrate, which is conducive to the rapid absorption and wiping of water stains on the glass after the outer non-woven fabric substrate contacts the glass.

[0029] (5) The water-proof film is a PE breathable film, which is a polyethylene resin film mixed with -% calcium carbonate. The water-proof film has a water-proof effect, water will not penetrate, and the upper and lower end surfaces of the wet wipes can work independently.

[0030] (6) The highly efficient rainproof and anti-fog nano-coating is a hydrophilic spunbond cotton spunlace fabric impregnated with nano-coating. The spunbond cotton spunlace fabric itself is flexible and protects the glass surface. After being impregnated with the nano-coating, the glass can be effectively protected from rain and fog after being wiped.

[0031] (7) The high-efficiency rainproof and anti-fog nano-coating and the outer end surface of the outer non-woven fabric substrate are respectively provided with a first one-way water-locking protective film and a second one-way water-locking protective film. The one-way water-locking protective film has a certain water-locking effect on the wet wipes. When the wet wipes are not in use, they are protected by the one-way water-locking protective film. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a front cross-sectional view of the present invention;

[0033] Figure 2 It is a schematic diagram of the three-dimensional structure of the inner water-absorbing cotton of the present invention;

[0034] Figure 3 It is a schematic diagram of the three-dimensional structure of the external water-absorbing cotton of the present invention;

[0035] Figure 4 It is a structural schematic diagram of the arc-shaped protrusion of the inner absorbent cotton of the present invention.

[0036] Description of the numbers in the figure:

[0037] 1 inner non-woven fabric substrate, 2 outer non-woven fabric substrate, 3 inner water-absorbing cotton, 4 outer water-absorbing cotton, 5 arc-shaped protrusions, 51 strong water-absorbing layer, 52 spherical water-absorbing sponge, 6 arc-shaped grooves, 7 water-proof film, 8 high-efficiency rainproof and anti-fog nano-coating, 9 first one-way water-locking protective film, 10 hydrophilic cotton, 11 second one-way water-locking protective film. DETAILED DESCRIPTION

[0038] The following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all the embodiments. All other embodiments obtained by ordinary technicians in this field without creative work based on the embodiments of the present invention belong to the scope of protection of the present invention.

[0039] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0040] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] Embodiment 1:

[0042] See also Figure 1 A nano wet wipe with rainproof, fogproof and scale-proof functions comprises an inner non-woven fabric substrate 1 and an outer non-woven fabric substrate 2. Both the inner non-woven fabric substrate 1 and the outer non-woven fabric substrate 2 are water-absorbent non-woven fabrics. The water-absorbent non-woven fabric is made of polypropylene spunbond non-woven fabric mixed with 30-55% of a hydrophilic agent and subjected to a hydrophilic treatment, so that hydrophilic groups exist in the water-absorbent non-woven fabric, thereby effectively improving the water absorption capacity of the wet wipe. A water-absorbent layer is provided between the inner non-woven fabric substrate 1 and the outer non-woven fabric substrate 2. The water-absorbent layer comprises an inner water-absorbent cotton 3 connected to the inner non-woven fabric substrate 1 and an outer water-absorbent cotton 4 connected to the outer non-woven fabric substrate 2. The inner water-absorbent cotton 3 and the outer water-absorbent cotton 4 are embedded and connected with each other. The provision of the water-absorbent layer further improves the water absorption capacity of the outer non-woven fabric substrate 2.

[0043] See also Figure 2-4 Specifically, a plurality of arc-shaped protrusions 5 are evenly distributed on the lower end surface of the inner water-absorbing cotton 3, and a plurality of arc-shaped grooves 6 matching the arc-shaped protrusions 5 are evenly distributed on the upper end surface of the outer water-absorbing cotton 4. The arc-shaped protrusions 5 and the arc-shaped grooves 6 are closely embedded in cooperation with each other, which is beneficial to expand the water absorption area of ​​the upper and lower water-absorbing cottons to a certain extent and effectively improve the water absorption efficiency. A plurality of spherical water-absorbing sponges 52 are movably arranged inside the plurality of arc-shaped protrusions 5, and a strong water-absorbing layer 51 with a plurality of fine pores is provided on the outer end surface of the arc-shaped protrusion 5. The smaller and more the pores are set, the more beneficial it is to improve its water absorption performance. The spherical water-absorbing sponge 52 is coated on the inner side of the strong water-absorbing layer 51, and the spherical water-absorbing sponge 52 can effectively expand and absorb water.

[0044] See also Figure 1 The outer non-woven fabric substrate 2 is located on the outside of the outer water-absorbent cotton 4. The outer end of the outer non-woven fabric substrate 2 is provided with hydrophilic cotton 10. The hydrophilic cotton 10 is nano cotton. 35-50% of highly absorbent and hygroscopic fibers are mixed into the nano cotton. The hydrophilic cotton 10 is adhered to the outer end of the outer non-woven fabric substrate 2, which is beneficial for the outer non-woven fabric substrate 2 to quickly absorb and wipe off water stains on the glass after contacting the glass.

[0045] A waterproof film 7 is provided on the side wall of the end of the inner non-woven fabric substrate 1 away from the inner water-absorbent cotton 3. The waterproof film 7 is a PE breathable film. The PE breathable film is a polyethylene resin film mixed with 45-55% calcium carbonate. The waterproof film 7 has a waterproof effect, and moisture will not easily penetrate, thereby realizing an independent working environment for the upper and lower end faces of the wet wipes. The outer end face of the waterproof film 7 is provided with a high-efficiency rainproof and anti-fog nano-coating 8. The high-efficiency rainproof and anti-fog nano-coating 8 is a hydrophilic spunbond cotton spunlace fabric impregnated with a super-hydrophilic nano-coating. The spunbond cotton spunlace fabric itself is flexible and protects the glass surface. The hydrophilic spunbond cotton spunlace fabric is impregnated with nano-coating, which can effectively realize the rainproof and anti-fog function of the wiped glass. Raindrops are not easy to adhere to the glass surface, thereby forming a very thin water film, which will not cause refraction and reflection of light, and will not form fog, thereby realizing a clear glass surface on rainy days.

[0046] In addition, the high-efficiency rainproof and anti-fog nano-coating and the outer end surface of the outer non-woven fabric substrate are respectively provided with a first one-way water-locking protective film 9 and a second one-way water-locking protective film 11. The one-way water-locking protective film has a certain water-locking effect on the wet wipes. When the wet wipes are not in use, they are protected by the one-way water-locking protective film. When in use, the first one-way water-locking protective film 9 and the second one-way water-locking protective film 11 can be torn off respectively and the wet wipes can be used directly.

[0047] A nano wet wipe with rainproof, fogproof and scale-proof functions, the preparation method of which comprises the following steps:

[0048] Step 1: prepare a soaking liquid for soaking the raw materials of wet wipes, mix appropriate amounts of ethanol, isopropanol, polyethylene glycol, and pure water to prepare a mixed solution A, and mix appropriate amounts of mint essence, water-based detergent, and pure water to prepare a mixed solution B;

[0049] Step 2: Place the A mixture in the reactor A and stir it thoroughly for 25-30 minutes, and maintain the temperature between 15-25°C. Place the B mixture in the reactor B and stir it thoroughly for 20-25 minutes, and maintain the temperature between 13-25°C.

[0050] Step 3: Mix the fully mixed A mixture with the B mixture in a ratio of 1:3 to prepare a soaking liquid, and soak the raw materials such as the inner non-woven fabric substrate and the outer non-woven fabric substrate in the soaking liquid, and finally seal and sterilize the wet wipes with the required rainproof, fogproof and anti-scale functions to achieve good descaling, hydrophilicity and anti-fog functions;

[0051] By arranging a water-proof film 7 at the upper end of the inner non-woven fabric substrate of the wet wipe, the upper and lower end surfaces of the wet wipe can be used independently. When it is necessary to wipe water stains on the glass, the end surface of the wet wipe with the outer non-woven fabric substrate 2 is used to wipe the glass. Due to the coordinated use of the inner absorbent cotton 3 and the outer absorbent cotton 4 and the effect of the hydrophilic cotton 10, it is beneficial to improve the water absorption capacity of the outer non-woven fabric substrate 2 and realize the rapid water absorption of the wet wipe. After wiping is completed, the other end surface of the wet wipe is replaced to wipe the glass. After the high-efficiency rainproof and anti-fog nano-coating 8 on the other end surface of the wet wipes comes into contact with and is wiped off the glass, a layer of nano-film is formed on the glass, so that rainwater does not form water droplets, but forms a very thin water film, thereby realizing the function of preventing the glass from rain and fog. In addition, a first unidirectional water-locking protective film and a second unidirectional water-locking protective film are respectively arranged on the outer end surface of the high-efficiency rainproof and anti-fog nano-coating and the outer non-woven fabric substrate. The unidirectional water-locking protective film has a certain water-locking effect on the wet wipes. When the wet wipes are not in use, they are protected from water by the unidirectional water-locking protective film.

[0052] The above is only a preferred specific implementation manner of the present invention; but the protection scope of the present invention is not limited thereto; any technician familiar with the technical field within the technical scope disclosed by the present invention; any equivalent replacement or change based on the technical solution and improved concept of the present invention shall be covered by the protection scope of the present invention.

Claims

1. A nano wet wipe with rainproof, fogproof and scaleproof functions, comprising an inner non-woven fabric substrate (1) and an outer non-woven fabric substrate (2), characterized in that: A water-absorbing layer is provided between the inner non-woven fabric substrate (1) and the outer non-woven fabric substrate (2), and the water-absorbing layer comprises an inner water-absorbing cotton (3) connected to the inner non-woven fabric substrate (1) and an outer water-absorbing cotton (4) connected to the outer non-woven fabric substrate (2). The inner water-absorbing cotton (3) and the outer water-absorbing cotton (4) are embedded and connected with each other. The outer non-woven fabric substrate (2) is located on the outer side of the outer water-absorbing cotton (4). The outer end of the outer non-woven fabric substrate (2) is provided with hydrophilic cotton (10). 1) A water-proof film (7) is provided on the side wall at one end away from the inner water-absorbing cotton (3); the outer end surface of the water-proof film (7) is provided with a high-efficiency rainproof and anti-fog nano coating (8); the water-proof film (7) is a PE breathable film, and the PE breathable film is a polyethylene resin film mixed with 45-55% calcium carbonate; the high-efficiency rainproof and anti-fog nano coating (8) and the outer end surface of the outer non-woven fabric substrate (2) are respectively provided with a first unidirectional water-locking protective film (9) and a second unidirectional water-locking protective film (11); The lower end surface of the inner absorbent cotton (3) is evenly distributed with a plurality of arc-shaped protrusions (5), and the upper end surface of the outer absorbent cotton (4) is evenly distributed with a plurality of arc-shaped grooves (6) matching the arc-shaped protrusions (5), and the arc-shaped protrusions (5) and the arc-shaped grooves (6) are closely matched and embedded with each other; A plurality of spherical water-absorbing sponges (52) are movably arranged inside the plurality of arc-shaped protrusions (5), a strong water-absorbing layer (51) with a plurality of fine pores is arranged on the outer end surface of the arc-shaped protrusion (5), and the spherical water-absorbing sponges (52) are coated on the inner side of the strong water-absorbing layer (51).

2. The nano wet wipes with rainproof, fogproof and scale-proof functions according to claim 1, characterized in that: The inner non-woven fabric substrate (1) and the outer non-woven fabric substrate (2) are both water-absorbent non-woven fabrics, and the water-absorbent non-woven fabrics are made of polypropylene spunbonded non-woven fabric mixed with 30-55% of a hydrophilic agent and subjected to hydrophilic treatment.

3. The nano wet wipes with rainproof, fogproof and scale-proof functions according to claim 1, characterized in that: The hydrophilic cotton (10) is nano cotton, and 35-50% of highly water-absorbent and hygroscopic fibers are mixed into the nano cotton.

4. The nano wet wipes with rainproof, fogproof and scale-proof functions according to claim 1, characterized in that: The high-efficiency rainproof and fogproof nano coating (8) is a hydrophilic spunbond cotton spunlace fabric impregnated with the nano coating.

5. The nano wet wipes with rainproof, fogproof and scale-proof functions according to claim 1, characterized in that: The preparation method thereof comprises the following steps: Step 1: prepare a soaking liquid for soaking the raw materials of wet wipes, mix appropriate amounts of ethanol, isopropanol, polyethylene glycol, and pure water to prepare a mixed solution A, and mix appropriate amounts of mint essence, water-based detergent, and pure water to prepare a mixed solution B; Step 2: Place the A mixture in the reactor A and stir it thoroughly for 25-30 minutes, and maintain the temperature between 15-25°C. Place the B mixture in the reactor B and stir it thoroughly for 20-25 minutes, and maintain the temperature between 13-25°C. Step 3: Mix the fully mixed A mixture with the B mixture in a ratio of 1:3 to prepare a soaking liquid, and soak the raw materials such as the inner non-woven fabric substrate (1) and the outer non-woven fabric substrate (2) in the soaking liquid, and finally seal and sterile package to obtain the required rainproof, fogproof and scaleproof wet wipes.

6. The nano wet wipes with rainproof, fogproof and scale-proof functions according to claim 5, characterized in that: The A mixed solution includes the following components in parts by weight: 25-30 parts of ethanol, 10-20 parts of isopropanol, 3-8 parts of polyethylene glycol and 30-45 parts of pure water; the B mixed solution includes the following components in parts by weight: 1-3 parts of mint essence, 4-6 parts of water-based detergent and 30-40 parts of RO pure water.

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