Double-sided sticky wet-paving waterproof coiled material
By designing a double-sided wet-paved waterproof coil, the self-adhesive layer with self-healing function reacts and consolidates with the concrete slurry, and combines the reinforcement layer of the high-density polyethylene layer and the polymer rubber layer to solve the problems of cumbersome operation and poor anti-seepage effect of the existing waterproof coil, achieving efficient and reliable waterproofing effect.
Patent Information
- Application Number
- CN202421686851.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-17
AI Technical Summary
The existing wet-paved waterproof coils are cumbersome to operate during construction, with poor anti-seepage effect, making it difficult to achieve full stickiness with the base surface or structural body.
A double-sided wet-paved waterproof coil is designed. The self-adhesive layer of the coil has a self-healing function, and is consolidated with liquid concrete slurry to form a gapless combination between the waterproof layer and the concrete structure. By strengthening the high-density polyethylene layer and polymer rubber layer in the layer, waterproofness and adhesion convenience are increased, and toughness and tensile resistance are improved through the protective layer and the isolation film layer.
It realizes the gapless combination of waterproof coil material and concrete structure, eliminates the hidden danger of interlayer water flow, improves the reliability of the waterproof system, and enhances the waterproofness and convenience of the coil material.
Smart Images
Figure CN223001215U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waterproof coiled materials, in particular to a double-sided sticky wet-laying waterproof coiled material. Background Technique
[0002] Waterproof coiled materials are mainly used for building walls, roofs, tunnels, highways, landfills, etc., and are flexible building materials that can be curled into rolls to resist external rainwater and groundwater seepage. As a leak-free connection between the project foundation and the building, it is the first barrier for the waterproofing of the entire project and plays a crucial role in the entire project.
[0003] The wet-laying waterproof coiled material, its main raw material is an active substance, and at the same time, appropriate auxiliary materials, anti-aging agents, accelerators and some other additives are added, and it is formed by mixing and calendering. It is a waterproof product that can be constructed on a wet base surface. This material contains special active substances that can react with cement mortar or plain cement slurry to achieve a full-bond effect with the base surface or the main structure. However, the existing wet-laying waterproof coiled materials rely on covering and overlapping (that is, the edge of one waterproof coiled material is superimposed on the edge of the adjacent waterproof coiled material) or lap seam welding. These two methods more or less have the problems of cumbersome operation and poor anti-seepage effect. Therefore, this solution specifically proposes a double-sided sticky wet-laying waterproof coiled material to solve the above problems. Content of the Utility Model
[0004] To overcome the defects of the prior art, the utility model provides a double-sided sticky wet-laying waterproof coiled material.
[0005] To achieve the above object, the technical solution of the utility model is realized as follows: A double-sided sticky wet-laying waterproof coiled material includes a base layer, a first asphalt layer, a second asphalt layer, a reinforcing layer, a high molecular rubber layer, a high density polyethylene layer, a first protective layer, a second protective layer, a first isolation film layer and a second isolation film layer. The base layer is arranged at the center of the waterproof coiled material. The first asphalt layer is arranged on one side of the top of the base layer, and the second asphalt layer is arranged on one side of the bottom of the base layer. The reinforcing layer is arranged on the side far from the base layer on both the first asphalt layer and the second asphalt layer. The reinforcing layer includes the high molecular rubber layer and the high density polyethylene layer. A sawtooth groove is formed on one side of the high molecular rubber layer, and a sawtooth bar that matches the size of the sawtooth groove is formed on one side of the high density polyethylene layer. The high molecular rubber layer is fixedly installed on both the first asphalt layer and the second asphalt layer. The first protective layer and the second protective layer are arranged on the outer side of the high density polyethylene layer.
[0006] Preferably, the high density polyethylene layer is fixedly installed in the sawtooth groove on the high molecular rubber layer through the sawtooth bar.
[0007] Preferably, the first isolation film layer is disposed on one side of the first protective layer away from the high-density polyethylene layer.
[0008] Preferably, the second isolation film layer is disposed on one side of the second protective layer away from the high-density polyethylene layer.
[0009] Preferably, both the first asphalt layer and the second asphalt layer are SBS modified asphalt.
[0010] Preferably, both the first isolation film layer and the second isolation film layer are polyester silicone oil films.
[0011] Preferably, the base layer is made of composite glass fiber, and both the first protective layer and the second protective layer are made of natural resin.
[0012] The beneficial effects of the present utility model are embodied in:
[0013] In the present utility model, the wet-laid self-adhesive coil is a double-sided adhesive waterproof coil. The self-adhesive layer of the coil has a self-healing function. After reacting and solidifying with the liquid concrete slurry, it forms a gapless combination between the waterproof layer and the concrete structure, eliminating the hidden danger of interlayer water seepage, effectively improving the reliability of the waterproof system. The high-density polyethylene layer in the reinforcing layer can increase the waterproof property of the waterproof coil. The polymer rubber layer facilitates the pasting of the waterproof coil. The first protective layer and the second protective layer greatly improve its toughness and tensile resistance. In the sawtooth grooves and sawteeth, it can promote the full contact between the edge of the coil and the concrete slurry, and form a bridge with the reinforcing layer of the adjacent waterproof coil through the concrete slurry, enhancing the density of the connection part. The structure is ingenious. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In the drawings:
[0015] Figure 1 is the overall structural schematic diagram of the present utility model;
[0016] Figure 2 is the structural schematic diagram of the polymer rubber layer of the present utility model;
[0017] Figure 3 is the structural schematic diagram of the high-density polyethylene layer of the present utility model.
[0018] Description of the reference numerals:
[0019] 1. Base layer; 2. First asphalt layer; 3. Second asphalt layer; 4. Reinforcing layer; 5. Polymer rubber layer; 6. High-density polyethylene layer; 7. First protective layer; 8. Second protective layer; 9. First isolation film layer; 10. Second isolation film layer; 11. Sawtooth groove; 12. Sawtooth bar. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] The following will further elaborate on the present utility model in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all of them. Without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the utility model.
[0021] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the utility model, then such directional indications are only used to explain the relative positional relationship and movement conditions between components in a certain specific posture (as shown in the accompanying drawings). If this specific posture changes, then the directional indications will also change accordingly.
[0022] In addition, "a plurality of" means two or more. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0023] Embodiment: As Figure 1 、 Figure 2 and Figure 3 shown: It includes a base layer 1, a first asphalt layer 2, a second asphalt layer 3, a strengthening layer 4, a polymer rubber layer 5, a high-density polyethylene layer 6, a first protective layer 7, a second protective layer 8, a first isolation film layer 9 and a second isolation film layer 10. A base layer 1 is provided at the center of the waterproof coiled material to enhance the main body of the waterproof coiled material, greatly improving its toughness and tensile resistance. A first asphalt layer 2 is provided on one side of the top of the base layer 1, and a second asphalt layer 3 is provided on one side of the bottom of the base layer 1. The rubber-modified asphalt self-adhesive layer can be combined with concrete to further seal the weld and is not easily leaked. Strengthening layers 4 are provided on the sides of the first asphalt layer 2 and the second asphalt layer 3 away from the base layer 1 to increase the stability performance. The strengthening layer 4 includes a polymer rubber layer 5 and a high-density polyethylene layer 6. A serrated groove 11 is formed on one side of the polymer rubber layer 5, and a sawtooth strip 12 that matches the size of the serrated groove 11 is formed on one side of the high-density polyethylene layer 6. The polymer rubber layer 5 is fixedly installed on the first asphalt layer 2 and the second asphalt layer 3. First protective layer 7 and second protective layer 8 are provided on the outside of the high-density polyethylene layer 6 to increase the protective performance of the inner layer and increase the scratch and wear resistance.
[0024] Refer to Figure 1 — Figure 3, the high-density polyethylene layer 6 is fixedly installed in the serrated groove 11 on the polymer rubber layer 5 through the sawtooth rack 12. The staggered installation promotes the full contact between the edge of the coil and the concrete slurry, and forms a bridge with the reinforcing layer of the adjacent waterproof coil through the concrete slurry, enhancing the compactness of the connection; on one side of the first protective layer 7 away from the high-density polyethylene layer 6, there is a first isolation film layer 9, and on one side of the second protective layer 8 away from the high-density polyethylene layer 6, there is a second isolation film layer 10, which is convenient for double-sided adhesion and wetting to achieve the waterproof effect. The first asphalt layer 2 and the second asphalt layer 3 are both SBS modified asphalt, the first isolation film layer 9 and the second isolation film layer 10 are both polyester silicone oil films, the base layer 1 is made of composite glass fiber, with a simple and stable structure and strong durability. The first protective layer 7 and the second protective layer 8 are both made of natural resin, with strong environmental protection performance.
[0025] When in use, the wet-laid self-adhesive coil is a double-sided adhesive waterproof coil. The self-adhesive layer of the coil has a self-healing function. After reacting and consolidating with the liquid concrete slurry, it forms a gapless combination between the waterproof layer and the concrete structure, eliminating the hidden danger of interlayer water seepage and effectively improving the reliability of the waterproof system. The high-density polyethylene layer in the reinforcing layer can increase the waterproof performance of the waterproof coil. The polymer rubber layer facilitates the pasting of the waterproof coil. The first protective layer and the second protective layer greatly improve its toughness and tensile resistance. In the serrated groove and the sawtooth rack, it can promote the full contact between the edge of the coil and the concrete slurry, and form a bridge with the reinforcing layer of the adjacent waterproof coil through the concrete slurry, enhancing the compactness of the connection. The structure is ingenious.
[0026] Tear off the isolation films on both sides, clean the places that need to be bonded, and then directly bond the waterproof coil to the position that needs waterproofing, and wait for a certain time to dry.
[0027] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A double-sided wet-laid waterproofing membrane, comprising a base layer (1), a first asphalt layer (2), a second asphalt layer (3), a reinforcing layer (4), a polymer rubber layer (5), a high-density polyethylene layer (6), a first protective layer (7), a second protective layer (8), a first isolation membrane layer (9) and a second isolation membrane layer (10), characterized in that: The base layer (1) is arranged at the center of the waterproof roll material, the first asphalt layer (2) is arranged on the top side of the base layer (1), and the second asphalt layer (3) is arranged on the bottom side of the base layer (1), the reinforcing layer (4) is arranged on the first asphalt layer (2) and the second asphalt layer (3) on the side away from the base layer (1), the reinforcing layer (4) includes the polymer rubber layer (5) and the high-density polyethylene layer (6), one side of the polymer rubber layer (5) is provided with a sawtooth groove (11), and one side of the high-density polyethylene layer (6) is provided with a sawtooth strip (12) of a size matching the sawtooth groove (11), the polymer rubber layer (5) is fixedly mounted on the first asphalt layer (2) and the second asphalt layer (3), and the first protective layer (7) and the second protective layer (8) are arranged on the outer side of the high-density polyethylene layer (6).
2. A double-sided wet-laid waterproofing membrane according to claim 1, characterized in that: The high-density polyethylene layer (6) is fixedly mounted in the sawtooth groove (11) on the polymer rubber layer (5) via the sawtooth bar (12).
3. A double-sided wet-laid waterproofing membrane according to claim 1, characterized in that: The first isolation film layer (9) is provided on the side of the first protective layer (7) away from the high-density polyethylene layer (6).
4. A double-sided wet-laid waterproofing membrane according to claim 1, characterized in that: The second isolation film layer (10) is provided on the side of the second protective layer (8) away from the high-density polyethylene layer (6).
5. A double-sided wet-laid waterproofing membrane according to claim 1, characterized in that: The first asphalt layer (2) and the second asphalt layer (3) are both SBS modified asphalt.
6. A double-sided wet-laid waterproofing membrane according to claim 1, characterized in that: The first isolation film layer (9) and the second isolation film layer (10) are both polyester silicone oil films.
7. A double-sided wet-laid waterproofing membrane according to claim 1, characterized in that: The base layer (1) is made of composite glass fiber, and the first protective layer (7) and the second protective layer (8) are both made of natural resin.