Heat-insulating and anti-corrosion polyimide aerogel pad

Abstract

The utility model discloses a heat insulation and corrosion prevention polyimide aerogel pad which comprises rubber sealing strips and a polyimide aerogel pad finished product, and the rubber sealing strips are arranged on the outer wall of the upper end of the periphery of the polyimide aerogel pad finished product. A novel moisture absorption strengthening device is additionally arranged in the heat-insulation and anti-corrosion polyimide aerogel pad, the moisture absorption strengthening device is composed of a moisture absorption and humidity regulation layer and a strengthening layer, the moisture absorption and humidity regulation layer and the strengthening layer are attached to each other, and meanwhile the moisture absorption and humidity regulation layer and the strengthening layer are located on the bottommost layer of the whole polyimide aerogel pad finished product. The moisture absorption and humidity regulation layer and the silica gel layer are attached to each other, and the moisture absorption and humidity regulation layer can quickly absorb and regulate the environmental humidity when the heat-insulating and anti-corrosion polyimide aerogel pad is in a high-humidity environment, so that various properties of the polyimide aerogel layer are kept, and the service life of the heat-insulating and anti-corrosion polyimide aerogel pad is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field related to material science, and in particular relates to a heat-insulating and corrosion-resistant polyimide aerogel pad. Background Art

[0002] The heat-insulating and anti-corrosion polyimide aerogel pad is a special cushion or filling material. It uses polyimide aerogel as the main material and has a unique structure and performance. This polyimide aerogel pad is composed of corrosion protection layer, thermal shielding layer, fireproof coating, outer protective layer, polyimide aerogel layer, and silicone layer. This "six-in-one" polyimide aerogel heat-insulating protective material has excellent heat insulation, fireproof and anti-corrosion properties. It is widely used in construction, industrial equipment, electronic devices, aerospace and other fields, providing long-lasting heat insulation and anti-corrosion protection for various application scenarios.

[0003] However, the heat-insulating and anti-corrosion polyimide aerogel pad is affected by the environment in high-humidity environments such as tropical and humid areas, and cannot effectively absorb and regulate the humidity of the polyimide aerogel pad, which will cause the internal anti-corrosion performance of the polyimide aerogel pad to decrease and mold to occur, affecting the internal cleanliness and hygiene of the polyimide aerogel pad. At the same time, it will also reduce the reliability and stability of the heat-insulating and anti-corrosion polyimide aerogel pad, causing it to perform poorly in complex and harsh environments. The structural strength of the polyimide aerogel pad is insufficient and it is prone to deformation or breakage, affecting its service life and protective effect. Utility Model Content

[0004] The purpose of the utility model is to provide a heat-insulating and anti-corrosion polyimide aerogel pad to solve the problems that the heat-insulating and anti-corrosion polyimide aerogel pad proposed in the above-mentioned background technology is affected by the environment in high-humidity environments such as tropical and humid areas, cannot effectively absorb and adjust the humidity of the polyimide aerogel pad, and becomes moldy, affecting the internal cleanliness and sanitation of the polyimide aerogel pad. At the same time, the structural strength of the polyimide aerogel pad is insufficient and it is easy to deform or break.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat-insulating and anti-corrosion polyimide aerogel pad, comprising a rubber sealing strip and a polyimide aerogel pad finished product, wherein the rubber sealing strip is arranged on the upper outer wall around the polyimide aerogel pad finished product, and the length and width of the rubber sealing strip are the same as the length and width of the polyimide aerogel pad finished product, and a plurality of decorative patterns are equidistantly arranged on the upper outer wall of the polyimide aerogel pad finished product;

[0006] The finished polyimide aerogel pad is composed of a corrosion protection layer, a heat conductive shielding layer, a fire retardant coating, an outer protective layer, a polyimide aerogel layer, a silicone layer and a moisture absorption enhancement device. The rear end of the corrosion protection layer is provided with a heat conductive shielding layer, the rear end of the heat conductive shielding layer is provided with a fire retardant coating, the rear end of the fire retardant coating is provided with an outer protective layer, the rear end of the outer protective layer is provided with a polyimide aerogel layer, the rear end of the polyimide aerogel layer is provided with a silicone layer, and the rear end of the silicone layer is provided with a moisture absorption enhancement device.

[0007] Preferably, the hygroscopic reinforcement device comprises a hygroscopic humidity-regulating layer and a reinforcement layer, the hygroscopic humidity-regulating layer is located at the rear end of the silica gel layer, and the reinforcement layer is provided at the rear end of the hygroscopic humidity-regulating layer.

[0008] Preferably, the silica gel layer, the hygroscopic and humidity-regulating layer and the strengthening layer are formed by coating, and the thickness of the strengthening layer is greater than that of the hygroscopic and humidity-regulating layer.

[0009] Preferably, the hygroscopic and humidity-regulating layer may be made of activated carbon material with strong hygroscopic properties. The hygroscopic and humidity-regulating layer may improve the comfort and hygiene of the finished polyimide aerogel pad and reduce excessive dryness and moisture.

[0010] Preferably, the strengthening layer can be made of polyethylene film or polypropylene film material, and the strengthening layer can enhance the compression resistance and wear resistance of the finished polyimide aerogel pad and improve the waterproof property.

[0011] Preferably, the polyimide aerogel layer can be made of porous inorganic silicon oxide material, and the polyimide aerogel layer provides the polyimide aerogel pad with thermal insulation, shock absorption and corrosion resistance, and the thickness of the polyimide aerogel layer is greater than the thickness of the outer protective layer.

[0012] Compared with the prior art, the utility model provides a heat-insulating and anti-corrosion polyimide aerogel pad, which has the following beneficial effects:

[0013] The utility model adds a new moisture absorption and strengthening device inside the heat-insulating and anti-corrosion polyimide aerogel pad. The moisture absorption and strengthening device consists of a moisture absorption and humidity regulating layer and a strengthening layer. The moisture absorption and humidity regulating layer and the strengthening layer are bonded to each other. At the same time, the moisture absorption and humidity regulating layer and the strengthening layer are located at the bottom layer of the entire polyimide aerogel pad finished product. The moisture absorption and humidity regulating layer and the silica gel layer are bonded to each other. When the heat-insulating and anti-corrosion polyimide aerogel pad is in a high-humidity environment, the moisture absorption and humidity regulating layer can quickly absorb and adjust the environmental humidity, maintain the various properties of the polyimide aerogel layer, and extend the service life of the heat-insulating and anti-corrosion polyimide aerogel pad. At the same time, the moisture absorption and humidity regulating layer also has certain antibacterial and mildew-proof properties, and can maintain the cleanliness and sanitation of the inside of the heat-insulating and anti-corrosion polyimide aerogel pad. The strengthening layer improves the structural strength of the heat-insulating and anti-corrosion polyimide aerogel pad, increases its bearing capacity, makes it more resistant to external impact and pressure, increases the durability of the heat-insulating and anti-corrosion polyimide aerogel pad, extends its service life, and reduces the frequency of maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a three-dimensional structural schematic diagram of a heat-insulating and corrosion-resistant polyimide aerogel pad.

[0015] Figure 2 The utility model is a schematic diagram of the structure of a heat-insulating and corrosion-resistant polyimide aerogel pad layer.

[0016] Figure 3 The utility model is a schematic diagram of the structure of a heat-insulating and corrosion-resistant polyimide aerogel pad layer.

[0017] In the figure: 1. rubber sealing strip; 2. finished polyimide aerogel pad; 3. decorative pattern; 4. corrosion protection layer; 5. thermal conductive shielding layer; 6. fire retardant coating; 7. outer protective layer; 8. polyimide aerogel layer; 9. silica gel layer; 10. moisture absorption and strengthening device; 11. moisture absorption and humidity regulating layer; 12. strengthening layer. DETAILED DESCRIPTION

[0018] 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.

[0019] The utility model provides Figure 1-3The polyimide aerogel pad with heat insulation and corrosion resistance shown in the figure comprises a rubber sealing strip 1 and a polyimide aerogel pad finished product 2. The rubber sealing strip 1 is arranged on the outer wall of the upper end of the polyimide aerogel pad finished product 2, and the length and width of the rubber sealing strip 1 are the same as the length and width of the polyimide aerogel pad finished product 2. A plurality of decorative patterns 3 are equidistantly arranged on the outer wall of the upper end of the polyimide aerogel pad finished product 2. The polyimide aerogel pad finished product 2 is composed of a corrosion protection layer 4, a heat conductive shielding layer 5, a fireproof coating 6, an outer protective layer 7, and a polyimide aerogel The corrosion protection layer 4 is composed of a heat-conducting shielding layer 5 at the rear end, a fire-proof coating 6 at the rear end of the heat-conducting shielding layer 5, an outer protective layer 7 at the rear end of the fire-proof coating 6, a polyimide aerogel layer 8 at the rear end of the outer protective layer 7, a silicone layer 9 at the rear end of the polyimide aerogel layer 8, a silicone layer 9 at the rear end of the silicone layer 9, and a moisture absorption strengthening device 10. The polyimide aerogel layer 8 can be made of porous inorganic silicon oxide material, and the polyimide aerogel layer 8 provides a polyimide aerogel layer 8. The polyimide aerogel pad has good thermal insulation, shock absorption and corrosion resistance. The thickness of the polyimide aerogel layer 8 is greater than that of the outer protective layer 7. First, prepare the required materials such as the rubber sealing strip 1, the corrosion protection layer 4, the thermal conductive shielding layer 5, the fireproof coating 6, the outer protective layer 7, the porous inorganic silicon oxide of the polyimide aerogel layer 8, the silica gel layer 9 and the moisture absorption strengthening device 10, etc., and process them through coating and other processes, and then stack them layer by layer to ensure that each layer is tightly combined. Finally, cut the assembled polyimide aerogel pad as needed. and trimming to make its size and shape meet the requirements, installing rubber sealing strips 1 on the upper outer walls around the polyimide aerogel pad finished product 2 to ensure that the length and width are the same as the polyimide aerogel pad finished product 2 and fit tightly, and finally equidistantly arrange multiple decorative patterns 3 on the upper outer wall of the polyimide aerogel pad finished product 2 to beautify the appearance of the polyimide aerogel pad, and then inspect the produced polyimide aerogel pad to ensure that the quality and size of each layer meet the requirements, and package the polyimide aerogel pad for storage and transportation.

[0020] like Figure 2 and Figure 3As shown, the hygroscopic reinforcement device 10 includes a hygroscopic humidity-regulating layer 11 and a reinforcement layer 12. The hygroscopic humidity-regulating layer 11 is located at the rear end of the silica gel layer 9. The reinforcement layer 12 is arranged at the rear end of the hygroscopic humidity-regulating layer 11. The silica gel layer 9, the hygroscopic humidity-regulating layer 11 and the reinforcement layer 12 are made by coating. The thickness of the reinforcement layer 12 is greater than that of the hygroscopic humidity-regulating layer 11. The hygroscopic humidity-regulating layer 11 can be made of activated carbon material with strong hygroscopic performance. The hygroscopic humidity-regulating layer 11 can improve the comfort and hygiene of the polyimide aerogel pad finished product 2 and reduce excessive dryness and moisture. The reinforcement layer 12 can be made of polyethylene film or polypropylene film material. The reinforcement layer 12 can enhance the pressure resistance and wear resistance of the polyimide aerogel pad finished product 2 and improve its waterproofness. First, prepare the activated carbon material, polyethylene film or polypropylene film material, and coat the activated carbon material. The hygroscopic and humidity-regulating layer 11 is made by processes such as the above. The hygroscopic and humidity-regulating layer 11 can absorb moisture in the air, maintain the humidity inside the polyimide aerogel pad, avoid excessive dryness or moisture, and inhibit the reproduction and growth of bacteria, which helps to keep the polyimide aerogel pad clean and hygienic. In addition, the activated carbon is a renewable and recyclable material, which can reduce the environmental impact of the polyimide aerogel pad. At the same time, the strengthening layer 12 is mainly made of polyethylene film or polypropylene film material, which can enhance the load-bearing capacity of the polyimide aerogel pad, prevent compression deformation during use, and keep the pad with good support. It also has good tear resistance, which can prevent the polyimide aerogel pad from tearing during use and extend its service life. It also has a waterproof effect and can block moisture from penetrating into the interior of the polyimide aerogel pad.

[0021] 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. A heat-insulating and anti-corrosion polyimide aerogel pad, comprising a rubber sealing strip (1) and a polyimide aerogel pad finished product (2), characterized in that: A rubber sealing strip (1) is arranged on the upper outer wall around the finished polyimide aerogel pad (2), and the length and width of the rubber sealing strip (1) are the same as the length and width of the finished polyimide aerogel pad (2), and a plurality of decorative patterns (3) are arranged at equal intervals on the upper outer wall of the finished polyimide aerogel pad (2); The polyimide aerogel pad finished product (2) is composed of a corrosion protection layer (4), a heat conductive shielding layer (5), a fire retardant coating (6), an outer protective layer (7), a polyimide aerogel layer (8), a silicone layer (9) and a moisture absorption enhancement device (10). The corrosion protection layer (4) is provided with a heat conductive shielding layer (5) at the rear end, the heat conductive shielding layer (5) is provided with a fire retardant coating (6) at the rear end, the fire retardant coating (6) is provided with an outer protective layer (7) at the rear end, the outer protective layer (7) is provided with a polyimide aerogel layer (8) at the rear end, the polyimide aerogel layer (8) is provided with a silicone layer (9) at the rear end, and the silicone layer (9) is provided with a moisture absorption enhancement device (10) at the rear end.

2. The heat-insulating and anti-corrosion polyimide aerogel pad according to claim 1, characterized in that: The moisture absorption and strengthening device (10) comprises a moisture absorption and humidity regulating layer (11) and a strengthening layer (12); the moisture absorption and humidity regulating layer (11) is located at the rear end of the silica gel layer (9); and the strengthening layer (12) is provided at the rear end of the moisture absorption and humidity regulating layer (11).

3. The heat-insulating and anti-corrosion polyimide aerogel pad according to claim 2, characterized in that: The silica gel layer (9), the hygroscopic humidity regulating layer (11) and the strengthening layer (12) are formed by coating, and the thickness of the strengthening layer (12) is greater than the thickness of the hygroscopic humidity regulating layer (11).

4. The heat-insulating and anti-corrosion polyimide aerogel pad according to claim 3, characterized in that: The hygroscopic and humidity-regulating layer (11) may be made of an activated carbon material with strong hygroscopic properties. The hygroscopic and humidity-regulating layer (11) may improve the comfort and hygiene of the finished polyimide aerogel pad (2) and reduce excessive dryness and moisture.

5. The heat-insulating and anti-corrosion polyimide aerogel pad according to claim 3, characterized in that: The strengthening layer (12) can be made of a polyethylene film or a polypropylene film material, and the strengthening layer (12) can enhance the pressure resistance and wear resistance of the polyimide aerogel pad finished product (2), and improve the waterproof property.

6. The heat-insulating and anti-corrosion polyimide aerogel pad according to claim 1, characterized in that: The polyimide aerogel layer (8) can be made of a porous inorganic silicon oxide material, and the polyimide aerogel layer (8) provides the polyimide aerogel pad with heat insulation, shock absorption and corrosion resistance. The thickness of the polyimide aerogel layer (8) is greater than the thickness of the outer protective layer (7).

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