Polymer waterproof sheet
By introducing structural designs such as metal reinforcement layer, expansion sealing layer and fabric isolation layer into polymer waterproof sheets, the problem of degradation of waterproof performance caused by gaps and heat shrinkage at splicing connections is solved, and the waterproof and airtight properties of the sheets are significantly improved .
Patent Information
- Application Number
- CN202420253956.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-02
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-02-02
AI Technical Summary
When the laying area of polymer waterproof sheets is too large or the laying surface is irregular, gaps are prone to appear at the splicing connections, and the sheets are heat shrinking, resulting in the expansion of the gaps and reducing waterproof performance.
The structural design is adopted including a polymer material layer, an expansion sealing layer, a self-adhesive layer, a metal reinforcement layer, a fabric isolation layer and a self-adhesive film layer. The expansion sealing layer is made of polyurethane water-swelling water-stop glue, the metal reinforcement layer penetrates the expansion sealing layer, the fabric isolation layer provides mechanical strength and puncture resistance, and the self-adhesive film layer prevents water from trampling on the bottom.
The metal reinforcement layer improves tensile resistance and reduces heat shrinkage. The expansion sealing layer fills gaps after immersion in water. The fabric isolation layer improves water pressure resistance. The self-adhesive film layer prevents water leakage, which significantly improves waterproof performance and airtightness.
Smart Images
Figure CN222476494U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of waterproof sheets, in particular to a polymer waterproof sheet. Background Art
[0002] Polymer waterproof sheets have received extensive attention for their excellent high and low temperature resistance, tensile strength, elongation, durability, and excellent lifespan.
[0003] Currently, the polymer waterproof sheets on the market can be used for anti-leakage work in a variety of environments. Due to the large paving area or irregular paving surface, multiple sheets usually need to be spliced together. Gaps are easily left at the joints, and the sheets have large thermal shrinkage, which will cause the gaps to be pulled and expanded, greatly reducing their waterproof performance. Utility Model Content
[0004] In order to overcome the above-mentioned defects, the utility model provides a polymer waterproof sheet, which solves the problem that due to the large paving area or irregular paving surface, multiple sheets usually need to be spliced and combined, gaps are easily left at the splicing joints, and the sheets have large thermal shrinkage, which will cause the gaps to be pulled and expanded, greatly reducing their waterproof performance.
[0005] To achieve the above object, the utility model provides the following technical solution: a polymer waterproof sheet, comprising a polymer material layer and an expansion sealing layer, a self-adhesive layer is bonded to the polymer material layer, a metal reinforcement layer is arranged between the self-adhesive layer and the polymer material layer, the metal reinforcement layer is arranged through the expansion sealing layer, a fabric isolation layer is connected to the self-adhesive layer, and an isolation coating is arranged on the fabric isolation layer;
[0006] The expansion sealing layer includes a side barrier sealing strip, the inner wall of which is provided with a boss, the side of the polymer material layer away from the self-adhesive layer is provided with a self-adhesive film layer, the bottom of the self-adhesive film layer is bonded with an isolation protective layer, and the polymer material layer, the self-adhesive layer, the fabric isolation layer, the isolation coating, the metal reinforcement layer and the self-adhesive film layer are coated in the side barrier sealing strip.
[0007] As a further solution of the utility model: the polymer material layer is made of any one of ethylene-vinyl acetate copolymer, thermoplastic polyolefin, high-density polyethylene and EPDM vulcanized rubber.
[0008] As a further solution of the utility model: the self-adhesive layer is made of one of modified asphalt self-adhesive glue and modified butyl rubber self-adhesive glue.
[0009] As a further solution of the utility model: the metal reinforcement layer is a grid structure composed of copper wires or aluminum wires arranged vertically and horizontally.
[0010] As a further solution of the utility model: the fabric isolation layer is made of polyester mesh cloth or glass fiber mesh cloth.
[0011] As a further solution of the utility model: the self-adhesive film layer is specifically styrene-isoprene-styrene pressure-sensitive self-adhesive or butyl pressure-sensitive self-adhesive.
[0012] As a further solution of the utility model: the isolation protection layer is specifically a plastic isolation film or isolation paper, and a plurality of texture strips are arranged on the top of the isolation coating.
[0013] As a further solution of the utility model: an embedded groove is provided at a position of the boss corresponding to the outer wall of the polymer material layer, and the boss is inserted into the embedded groove.
[0014] As a further solution of the utility model: the expansion sealing layer is specifically made of PJ220 type polyurethane water-swelling waterproofing glue.
[0015] Compared with the prior art, the beneficial effects of the utility model are: 1. The JSQ polymer waterproof sheet material, by installing a metal reinforcement layer on the polymer material layer and limiting it with a self-adhesive layer, the metal reinforcement layer can improve the tensile strength of the sheet material, reduce the degree of heat shrinkage, and extend the service life of the sheet material to a certain extent. The sheet material is covered with an expansion sealing layer made of polyurethane water-swellable water-stop glue. Even if gaps appear at the joints of the sheets, the expansion sealing layer expands and fills the gaps after being immersed in water, and the boss in the expansion sealing layer is embedded in the embedded groove, so that it can firmly adhere to the polymer material layer, thereby greatly improving the waterproof effect of the sheet material.
[0016] 2. The JSQ polymer waterproof sheet adopts a fabric isolation layer made of polyester mesh cloth or glass fiber mesh cloth, which can give the sheet good mechanical strength and puncture resistance, improve the water pressure resistance of the sheet, and adopt a self-adhesive film layer made of styrene-isoprene-styrene pressure-sensitive self-adhesive or butyl pressure-sensitive self-adhesive to prevent water from leaking from the bottom of the sheet, improve the construction performance, and further improve the waterproofness and air tightness of the sheet. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0018] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model.
[0019] Figure 3 It is a schematic structural diagram of the connection between the self-adhesive layer and the metal reinforcement layer of the utility model.
[0020] Figure 4 This is a schematic diagram of the structure of the expansion sealing layer of the utility model.
[0021] In the figure: 1. polymer material layer; 2. self-adhesive layer; 3. fabric isolation layer; 4. isolation coating; 5. expansion sealing layer; 501. side barrier sealing strip; 502. boss; 6. metal reinforcement layer; 7. self-adhesive film layer; 8. isolation protection layer; 9. embedded groove; 10. texture strip. DETAILED DESCRIPTION
[0022] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.
[0023] like Figure 1-4 As shown, the utility model provides a technical solution: a polymer waterproof sheet, comprising a polymer material layer 1 and an expansion sealing layer 5, the polymer material layer 1 is made of any one of ethylene-vinyl acetate copolymer, thermoplastic polyolefin, high-density polyethylene and ethylene propylene diene monomer vulcanized rubber.
[0024] A self-adhesive layer 2 is bonded to the polymer material layer 1, and the self-adhesive layer 2 is made of one of modified asphalt self-adhesive glue or modified butyl rubber self-adhesive glue. Because of the self-adhesive layer 2, it can limit the metal reinforcement layer 6 to prevent the metal reinforcement layer 6 from shifting its position and affecting the performance of the sheet.
[0025] A metal reinforcement layer 6 is installed between the self-adhesive layer 2 and the polymer material layer 1. The metal reinforcement layer 6 has a grid structure with copper wires or aluminum wires arranged vertically and horizontally. Due to the metal reinforcement layer 6, the metal reinforcement layer 6 can improve the tensile strength of the sheet, reduce the degree of heat shrinkage, and prevent the sheet from excessive deformation.
[0026] The metal reinforcement layer 6 is arranged through the expansion sealing layer 5, the self-adhesive layer 2 is connected with a fabric isolation layer 3, the fabric isolation layer 3 is provided with an isolation coating 4, the fabric isolation layer 3 is made of polyester mesh cloth or glass fiber mesh cloth, and the fabric isolation layer 3 can give the sheet material good mechanical strength and puncture resistance, thereby improving the water pressure resistance of the sheet material.
[0027] The expansion sealing layer 5 includes a side barrier sealing strip 501, and a boss 502 is provided on the inner wall of the side barrier sealing strip 501. The expansion sealing layer 5 is specifically made of PJ220 type polyurethane water-swellable waterproofing glue. The boss 502 is provided with an embedded groove 9 at a position corresponding to the outer wall of the polymer material layer 1. The boss 502 is inserted into the embedded groove 9. Through the mutual cooperation between the boss 502 and the side barrier sealing strip 501, when the expansion sealing layer 5 expands when exposed to water, the boss 502 on the side barrier sealing strip 501 can be firmly embedded in the embedded groove 9 to prevent the side barrier sealing strip 501 from shifting its position and affecting the use effect.
[0028] A self-adhesive film layer 7 is provided on one side of the polymer material layer 1 away from the self-adhesive layer 2. The self-adhesive film layer 7 is specifically styrene-isoprene-styrene pressure-sensitive self-adhesive or butyl pressure-sensitive self-adhesive. The self-adhesive film layer 7 can prevent water from seeping out from the bottom of the sheet.
[0029] An isolation protection layer 8 is bonded to the bottom of the self-adhesive film layer 7. The isolation protection layer 8 is specifically a plastic isolation film or isolation paper. A plurality of texture strips 10 are provided on the top of the isolation coating 4. The isolation protection layer 8 can protect the self-adhesive film layer 7. The device can be used by tearing off the isolation protection layer 8, which is convenient to operate.
[0030] The polymer material layer 1 , the self-adhesive layer 2 , the fabric isolation layer 3 , the isolation coating 4 , the metal reinforcement layer 6 and the self-adhesive film layer 7 are coated in the side barrier sealing strip 501 .
[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it 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 an indirect connection 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 by specific circumstances.
[0032] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.
Claims
1. A polymer waterproof sheet, comprising a polymer material layer (1) and an expansion sealing layer (5), characterized in that: A self-adhesive layer (2) is bonded to the polymer material layer (1), a metal reinforcement layer (6) is arranged between the self-adhesive layer (2) and the polymer material layer (1), the metal reinforcement layer (6) is arranged through the expansion sealing layer (5), a fabric isolation layer (3) is connected to the self-adhesive layer (2), and an isolation coating (4) is provided on the fabric isolation layer (3); The expansion sealing layer (5) comprises a side barrier sealing strip (501), the inner wall of the side barrier sealing strip (501) is provided with a boss (502), a self-adhesive film layer (7) is provided on a side of the polymer material layer (1) away from the self-adhesive layer (2), an isolation protective layer (8) is bonded to the bottom of the self-adhesive film layer (7), and the polymer material layer (1), the self-adhesive layer (2), the fabric isolation layer (3), the isolation coating (4), the metal reinforcement layer (6) and the self-adhesive film layer (7) are coated in the side barrier sealing strip (501).
2. A polymer waterproof sheet according to claim 1, characterized in that: The polymer material layer (1) is made of any one of ethylene-vinyl acetate copolymer, thermoplastic polyolefin, high-density polyethylene and EPDM vulcanized rubber.
3. A polymer waterproof sheet according to claim 1, characterized in that: The self-adhesive layer (2) is made of one of modified asphalt self-adhesive glue and modified butyl rubber self-adhesive glue.
4. A polymer waterproof sheet according to claim 1, characterized in that: The metal reinforcement layer (6) is a grid-type structure in which copper wires or aluminum wires are arranged vertically and horizontally.
5. The polymer waterproof sheet according to claim 1, characterized in that: The fabric isolation layer (3) is made of polyester mesh cloth or glass fiber mesh cloth.
6. A polymer waterproof sheet according to claim 1, characterized in that: The self-adhesive film layer (7) is specifically styrene-isoprene-styrene pressure-sensitive self-adhesive or butyl pressure-sensitive self-adhesive.
7. A polymer waterproof sheet according to claim 1, characterized in that: The isolation protection layer (8) is specifically a plastic isolation film or isolation paper, and a plurality of texture strips (10) are provided on the top of the isolation coating (4).
8. The polymer waterproof sheet according to claim 1, characterized in that: An embedded groove (9) is provided at a position of the boss (502) corresponding to the outer wall of the polymer material layer (1), and the boss (502) is inserted into the embedded groove (9).
9. The polymer waterproof sheet according to claim 1, characterized in that: The expansion sealing layer (5) is specifically made of PJ220 type polyurethane water-swellable waterproofing glue.