Acid and alkali corrosion resistant composite waterproof coiled material

By adopting a composite structure and a combination of specific materials in the waterproof roll, the existing waterproof rolls lack shear resistance and corrosion resistance in acid and alkali environments, and achieve high temperature durability, thermal insulation and shear resistance.

CN222891775UActive Publication Date: 2025-05-23KUNMING SHUNLI WATERPROOF MATERIAL CO LTD
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Patent Information

Application Number
CN202421459657.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-05-23
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The existing waterproof coils lack shear resistance and corrosion resistance, making it difficult to maintain performance in an acid-base environment.

Method used

The composite waterproof coil structure is adopted, including anti-corrosion and wear-resistant top layer, heat insulation layer, material base layer and asphalt linoleum layer, the hollow interlayer is filled with tensile fiber web, and the use of silica aerogel material and PP material to improve high temperature resistance, heat insulation and compressive resistance.

Benefits of technology

It realizes the durability and thermal insulation effect of waterproof coils in high temperature environments, enhances shear resistance and stability, while improving elasticity and toughness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an acid and alkali corrosion resistant composite waterproof coiled material which comprises a winding drum and a coiled material body, the coiled material body is wound on the outer surface layer of the winding drum, and the coiled material body is composed of an anti-corrosion wear-resistant top layer, a heat insulation layer, a material base layer and an asphalt felt layer. A heat insulation layer is arranged on the surface layer of the top of the material base layer, a hollow interlayer is arranged in the heat insulation layer, the hollow interlayer is filled with a tensile fiber net, and an anti-corrosion and wear-resistant top layer is arranged on the surface layer of the top of the heat insulation layer. The novel coiled material is obvious in anti-corrosion and wear-resistant effects, has an anti-shearing function and is suitable for being widely popularized and used.
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Description

Technical Field

[0001] The utility model relates to the technical field of waterproof coiled materials, in particular to an acid and alkali corrosion resistant composite waterproof coiled material. Background Art

[0002] Waterproof membrane is mainly used in building walls, roofs, tunnels, roads, landfills, etc. It is a flexible building material product that can be rolled into a roll to resist the seepage of external rainwater and groundwater. As a leak-free connection between the project foundation and the building, it is the first barrier to waterproofing the entire project and plays a vital role in the entire project.

[0003] Patent No. CN00229319.6 discloses an anti-aging multi-layer composite waterproof membrane, which belongs to the field of roof covering layers. It is a base material layer in the middle covered with polypropylene non-woven fabric layers above and below. The base material layer is composed of two PE material layers and one EVA material layer. It solves the problems of poor flexibility, easy aging, and the need for heating during construction of existing waterproof membranes. It has the characteristics of good flexibility, good water-proofing and anti-seepage performance, high tensile strength, and strong deformation adaptability. It can also be directly bonded to cement materials during the solidification process. It is suitable for roof waterproofing, wall moisture-proofing, and levee and culvert anti-seepage and other occasions.

[0004] The waterproofing roll has the following disadvantages: the waterproofing roll has no obvious anti-corrosion and wear-resistant effect and does not have the function of anti-shearing. Therefore, we propose an acid and alkali corrosion resistant composite waterproofing roll. Utility Model Content

[0005] The main purpose of the utility model is to provide an acid and alkali corrosion resistant composite waterproof coiled material, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A composite waterproof roll material resistant to acid and alkali corrosion comprises a winding drum and a roll body, the outer surface layer of the winding drum is wound with the roll body, the roll body consists of an anti-corrosion and wear-resistant top layer, a heat insulation layer, a material base layer and an asphalt felt layer, the top surface layer of the material base layer is provided with a heat insulation layer and a hollow interlayer is provided in the heat insulation layer, the hollow interlayer is filled with a tensile fiber mesh, and the top surface layer of the heat insulation layer is provided with an anti-corrosion and wear-resistant top layer.

[0008] Furthermore, the bottom surface layer of the material base layer is provided with an asphalt felt layer, and the tensile fiber mesh is woven from carbon fibers.

[0009] Furthermore, the anti-corrosion and wear-resistant top layer is made of EVA material, and the heat-insulating layer is made of silica aerogel material, so that the composite waterproof membrane is resistant to high temperature and has significant heat-insulating and thermal-preserving effects.

[0010] Furthermore, the heat insulation layer is made of silica aerogel material, and the material base is made of PP material, so that the waterproof coiled material has high elasticity, good toughness and strong compression resistance.

[0011] Furthermore, the material base layer is made of PP material.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The heat insulation layer is made of silica aerogel material, so that the composite waterproof membrane is resistant to high temperature and has remarkable heat insulation effect. The hollow interlayer is filled with tensile fiber mesh, so that the waterproof membrane can resist shear force after laying and has strong stability. The base material is made of PP material, so that the waterproof membrane has high elasticity, good toughness and strong compression resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of the overall structure of an acid and alkali corrosion resistant composite waterproof membrane.

[0015] Figure 2 The utility model is a schematic diagram of the structure of the main body material of the acid and alkali corrosion resistant composite waterproofing membrane.

[0016] Figure 3 The utility model is a schematic diagram of the tensile fiber mesh structure of an acid and alkali corrosion resistant composite waterproof coiled material.

[0017] In the figure: 1. Winding drum; 2. Roll body; 3. Hollow interlayer; 4. Anti-corrosion and wear-resistant top layer; 5. Heat insulation layer; 6. Material base layer; 7. Asphalt felt layer; 8. Tensile-resistant fiber mesh. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1-3 As shown, an acid-base corrosion-resistant composite waterproof roll material comprises a winding drum 1 and a roll body 2, the outer surface of the winding drum 1 is wound with the roll body 2, the roll body 2 comprises an anti-corrosion and wear-resistant top layer 4, a heat-insulating layer 5, a material base layer 6 and an asphalt felt layer 7, the top surface layer of the material base layer 6 is provided with a heat-insulating layer 5 and a hollow interlayer 3 is provided in the heat-insulating layer 5, the hollow interlayer 3 is filled with a tensile fiber mesh 8, and the top surface layer of the heat-insulating layer 5 is provided with an anti-corrosion and wear-resistant top layer 4.

[0020] The bottom surface of the material base layer 6 is provided with an asphalt felt layer 7, and the tensile fiber mesh 8 is woven from carbon fibers.

[0021] In this embodiment, Figure 2 As shown, the asphalt felt layer 7 has remarkable waterproof and anti-seepage effects.

[0022] Wherein, the anti-corrosion and wear-resistant top layer 4 is made of EVA material.

[0023] Wherein, the thermal insulation layer 5 is made of silicon dioxide aerogel material.

[0024] In this embodiment, Figure 2 As shown, the heat insulation layer 5 is made of silica aerogel material, so that the composite waterproof coiled material is resistant to high temperatures and has significant heat insulation and thermal insulation effects.

[0025] Wherein, the material base layer 6 is made of PP material.

[0026] In this embodiment, Figure 2 As shown, the material base 6 is made of PP material, so that the waterproof coiled material has high elasticity, good toughness and strong compression resistance.

[0027] It should be noted that the utility model is a composite waterproof membrane resistant to acid and alkali corrosion. When working, the anti-corrosion and wear-resistant top layer 4 is made of EVA material, so that the composite waterproof membrane is resistant to acid and alkali corrosion, anti-aging, the surface is not easy to be scratched, and the wear resistance effect is remarkable. The thermal insulation layer 5 is made of silica aerogel material, so that the composite waterproof membrane is resistant to high temperature and has remarkable heat insulation and heat preservation effects. The hollow interlayer 3 is filled with a tensile fiber mesh 8, so that the waterproof membrane can resist shear force after laying, and has strong stability. The material base layer 6 is made of PP material, so that the waterproof membrane has high elasticity, good toughness and strong compression resistance.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An acid and alkali corrosion resistant composite waterproofing roll, comprising a winding drum (1) and a roll body (2), characterized in that: The outer surface of the winding drum (1) is wound with a coil body (2), and the coil body (2) is composed of an anti-corrosion and wear-resistant top layer (4), a heat insulation layer (5), a material base layer (6) and an asphalt felt layer (7), the top surface layer of the material base layer (6) is provided with a heat insulation layer (5), and a hollow interlayer (3) is provided in the heat insulation layer (5), the hollow interlayer (3) is filled with a tensile fiber mesh (8), and the top surface layer of the heat insulation layer (5) is provided with an anti-corrosion and wear-resistant top layer (4).

2. The acid-alkali corrosion resistant composite waterproofing membrane according to claim 1, characterized in that: The bottom surface layer of the material base layer (6) is provided with an asphalt felt layer (7), and the tensile fiber mesh (8) is woven from carbon fibers.

3. The acid-alkali corrosion resistant composite waterproof membrane according to claim 1, characterized in that: The anti-corrosion and wear-resistant top layer (4) is made of EVA material.

4. The acid-alkali corrosion resistant composite waterproof membrane according to claim 1, characterized in that: The heat insulation layer (5) is made of silicon dioxide aerogel material.

5. The acid-alkali corrosion resistant composite waterproof membrane according to claim 1, characterized in that: The material base layer (6) is made of PP material.

Citation Information

Patent Citations

  • Anti-ageing multilayer composite water-proof coil material

    CN2423311Y