Modified asphalt waterproof coiled material
By introducing an aluminum mesh reinforcement layer into modified bitumen waterproof membrane, the shortcomings of modified bitumen waterproof membrane in terms of thermal stability are solved, and its deformation and shrinkage problems under high temperature environment are improved, thus achieving better thermal stability and waterproof effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-27
- Publication Date
- 2026-03-27
AI Technical Summary
Modified bitumen waterproof membranes are prone to deformation and shrinkage during production, transportation, storage, and high-temperature environments, leading to problems such as leakage and water seepage. Existing technologies cannot effectively solve the problem of their poor thermal stability.
An aluminum mesh reinforcement layer is used as an auxiliary skeleton structure. The aluminum mesh reinforcement layer, which is made of aluminum wire, is set in the modified bitumen waterproof membrane to improve its thermal stability.
It significantly improves the thermal stability of modified bitumen waterproof membrane, avoids deformation and shrinkage, and ensures quality stability and waterproof performance.
Smart Images
Figure CN224044763U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of waterproofing membranes, in particular to a modified bitumen waterproofing membrane. BACKGROUND
[0002] The modified bitumen waterproofing membrane is the most important waterproofing product with the largest application amount. In the related technology, more than 90% of the modified bitumen waterproofing membranes use polyester base as the skeleton structure, which can provide support for the modified bitumen waterproofing membrane and guarantee its mechanical properties.
[0003] Although the polyester base has good strength, elongation performance, uniformity and impregnation, it has poor thermal stability, for example, it is prone to "narrowing" problem, thereby limiting the production speed; during transportation and storage, if double or triple stacking is performed, the lower modified bitumen waterproofing membrane is prone to deformation or even collapse under the pressure; and in the high temperature environment in summer, the modified bitumen waterproofing membrane is prone to "shrinkage", which has a large leakage risk of water leakage and water channeling, and becomes an industry problem restricting the development of the modified bitumen waterproofing membrane. CONTENT OF THE UTILITY MODEL
[0004] In order to avoid the modified bitumen waterproofing membrane from "narrowing" in production, deforming or even collapsing during transportation and storage, and "shrinking" in high temperature environment, and to ensure the stable quality and good thermal stability of the modified bitumen waterproofing membrane, the present application provides a modified bitumen waterproofing membrane.
[0005] The modified bitumen waterproofing membrane provided by the present application adopts the following technical scheme:
[0006] The modified bitumen waterproofing membrane comprises an upper surface isolation material layer, a first modified bitumen layer, an aluminum net reinforcing layer, a second modified bitumen layer, a base layer, a third modified bitumen layer and a lower surface isolation material layer, wherein
[0007] The third modified bitumen layer is arranged on the lower surface isolation material layer;
[0008] The base layer is arranged on the third modified bitumen layer;
[0009] The second modified bitumen layer is arranged on the base layer;
[0010] The first modified bitumen layer is arranged on the second modified bitumen layer;
[0011] The upper surface isolation material layer is arranged on the first modified bitumen layer;
[0012] The aluminum net reinforcing layer is arranged between the lower surface isolation material layer and the upper surface isolation material layer.
[0013] Optionally, the width of the aluminum net reinforcing layer is 900mm-950mm.
[0014] Optionally, the density of the aluminum mesh reinforcing layer arranged along the longitudinal direction of the tire base is greater than the density of the aluminum mesh reinforcing layer arranged along the transverse direction of the tire base.
[0015] Optionally, the aluminum mesh reinforcing layer comprises an aluminum mesh constructed by aluminum wires, and the pores of the aluminum mesh comprise rectangles.
[0016] Optionally, the longitudinal and transverse dimensions of the rectangle formed by the aluminum mesh reinforcing layer are 5mm*2mm.
[0017] Optionally, the longitudinal and transverse dimensions of the rectangle formed by the aluminum mesh reinforcing layer are 6mm*3mm.
[0018] Optionally, the aluminum wires constituting the aluminum mesh reinforcing layer are solid aluminum wires, and the nominal diameter is 0.1mm-0.5mm; and the elongation at break is 20%-30%.
[0019] Optionally, the nominal diameter of the aluminum wires arranged along the longitudinal direction is 0.3mm, and the nominal diameter of the aluminum wires arranged along the transverse direction is 0.2mm.
[0020] Optionally, the aluminum mesh reinforcing layer is arranged between the second modified asphalt layer and the first modified asphalt layer, and the first modified asphalt layer is arranged on the aluminum mesh reinforcing layer.
[0021] Optionally, the aluminum mesh reinforcing layer is arranged between the second modified asphalt layer and the tire base layer, and the second modified asphalt layer is arranged on the aluminum mesh reinforcing layer.
[0022] In summary, the present application includes at least one of the following beneficial technical effects:
[0023] The modified asphalt waterproof coiled material based on the aluminum mesh structure reinforcement in the embodiment of the present application sets the aluminum mesh reinforcing layer as an auxiliary skeleton structure of the modified asphalt waterproof coiled material, the aluminum mesh is woven by aluminum wires, and the aluminum mesh can compensate for the "narrowing", deformation and "shrinkage" of the polyester tire base due to poor thermal stability, thereby providing excellent thermal stability for the modified asphalt waterproof coiled material.
[0024] Compared with copper products and iron products, aluminum products have better flexibility, and compared with fiber tire bases, resin tire bases, high-density polyethylene tire bodies and polyester tire bases, aluminum products have better stability and mechanical strength, and thus the aluminum products have better mechanical properties as the rigid auxiliary skeleton structure in the modified asphalt waterproof coiled material. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 is a structural schematic diagram of a modified asphalt waterproof coiled material in the embodiment of the present application.
[0026] Figure 2is a structural schematic view of an aluminum net reinforcing layer in a modified asphalt waterproof roll material in the embodiments of the present application.
[0027] Marked for explanation: 1, upper surface isolation material layer; 2, first modified asphalt layer; 3, aluminum net reinforcing layer; 4, second modified asphalt layer; 5, base layer; 6, third modified asphalt layer; 7, lower surface isolation material layer. DETAILED DESCRIPTION
[0028] In order to enable a more clear understanding of the above-mentioned purposes, features and advantages of the present application, the present application will be further described in detail below in combination with the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0029] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below.
[0030] The modified asphalt waterproof roll material using polyester base as the skeleton structure, although the polyester base has good strength, elongation performance, uniformity and impregnation, but due to poor thermal stability, it becomes an industry problem restricting the development of modified asphalt waterproof roll material. In the related art, the improvement method adopted is to use high-density polyethylene base and high-strength resin base as the auxiliary structure of polyester base, and the high-density polyethylene base and the high-strength resin base are fixedly connected through an adhesive layer, wherein the high-strength resin base is used to improve the strength of the base and improve the ability to withstand pressure and load. However, the high-density polyethylene base has poor high-temperature resistance in actual application, and the mechanical properties decrease significantly under high-temperature environment, especially the production process and use process of hot melt modified asphalt waterproof roll material are carried out under high-temperature conditions, so that the mechanical strength of the waterproof roll material is low, and the tensile resistance and dimensional stability are insufficient. Therefore, more effective technical measures are needed to further improve the thermal stability of the modified asphalt waterproof roll material and completely solve the problem of poor thermal stability of the modified asphalt waterproof roll material.
[0031] In the present application, the aluminum net is applied to the modified asphalt waterproof roll material to improve the problem of deformation of the roll material due to insufficient thermal stability of the modified asphalt waterproof roll material.
[0032] The following will be described in combination with the accompanying drawings Figures 1-2 The present application will be further described in detail.
[0033] The embodiments of the present application disclose a modified asphalt waterproof roll material. Referring to Figure 1 , Figure 2A modified asphalt waterproofing membrane comprises: an upper surface isolation material layer 1, a first modified asphalt layer 2, an aluminum mesh reinforcing layer 3, a second modified asphalt layer 4, a base layer 5, a third modified asphalt layer 6, and a lower surface isolation material layer 7, wherein
[0034] The third modified asphalt layer 6 is arranged on the lower surface isolation material layer 7;
[0035] The base layer 5 is arranged on the third modified asphalt layer 6;
[0036] The second modified asphalt layer 4 is arranged on the base layer 5;
[0037] The first modified asphalt layer 2 is arranged on the second modified asphalt layer 4;
[0038] The upper surface isolation material layer 1 is arranged on the first modified asphalt layer 2;
[0039] The aluminum mesh reinforcing layer 3 is arranged between the lower surface isolation material layer 7 and the upper surface isolation material layer 1.
[0040] In the embodiments of the present application, as an optional embodiment, the base layer includes but is not limited to a polyester base layer, a fiber base layer, a resin base layer, and a high-density polyethylene base layer.
[0041] In the present application, as an optional embodiment, the width of the aluminum mesh reinforcing layer is 900mm-950mm.
[0042] In the present application, as an optional embodiment, the aluminum mesh reinforcing layer includes but is not limited to an aluminum mesh constructed by using aluminum wires, and the pores of the aluminum mesh include but are not limited to rectangular shapes, which can effectively improve the tensile and narrow deformation longitudinal mechanical properties of the production end.
[0043] In the present application, due to the shrinkage of the base layer during the construction of the modified asphalt waterproofing membrane, the longitudinal effect is greater than the transverse effect at the same deformation rate of the longitudinal and transverse directions of the membrane, and therefore, as an optional embodiment, the density of the aluminum mesh reinforcing layer arranged along the longitudinal direction of the base layer is greater than the density of the aluminum mesh reinforcing layer arranged along the transverse direction of the base layer. In this way, the longitudinal effect of the base layer can be effectively compensated.
[0044] In the present application, as an optional embodiment, the aluminum wires constituting the aluminum mesh reinforcing layer are solid aluminum wires with a nominal diameter of 0.1mm-0.5mm and a breaking elongation of 20%-30%. As another optional embodiment, the aluminum wires can also be hollow aluminum wires.
[0045] In the present application, as an optional embodiment, the grid size of the rectangular shape formed by the aluminum mesh reinforcing layer in the longitudinal and transverse directions is 5mm*2mm.
[0046] In the present application, as another optional embodiment, the grid size of the rectangular shape formed by the aluminum mesh reinforcing layer in the longitudinal and transverse directions is 6mm*3mm.
[0047] In the present application, as another optional embodiment, the nominal diameter of the longitudinally arranged aluminum wire is 0.3 mm, and the nominal diameter of the transversely arranged aluminum wire is 0.2 mm.
[0048] In the present application, as an optional embodiment, the aluminum mesh reinforcement layer 3 is arranged between the second modified asphalt layer 4 and the first modified asphalt layer 2, and the first modified asphalt layer 2 is arranged on the aluminum mesh reinforcement layer 3.
[0049] In the present application, as another optional embodiment, the aluminum mesh reinforcement layer 3 is arranged between the second modified asphalt layer 4 and the tire base layer 5, and the second modified asphalt layer 4 is arranged on the aluminum mesh reinforcement layer 3.
[0050] In the present application, as still another optional embodiment, the aluminum mesh reinforcement layer 3 is arranged between the tire base layer 5 and the third modified asphalt layer 6, and the tire base layer 5 is arranged on the aluminum mesh reinforcement layer 3.
[0051] The following are three specific embodiments of the modified asphalt waterproofing membrane of the present application.
[0052] Embodiment One
[0053] In the present application, as an optional embodiment, the aluminum mesh reinforcement layer is applied to the modified asphalt waterproofing membrane, thereby obtaining a deformation-resistant modified asphalt waterproofing membrane, which comprises, from top to bottom, an upper surface isolation material layer, a first modified asphalt layer, an aluminum mesh reinforcement layer, a second modified asphalt layer, a tire base layer, a third modified asphalt layer, and a lower surface isolation material layer, wherein,
[0054] The aluminum mesh reinforcement layer is made of aluminum wire with a width of 900 mm, a longitudinal and transverse aperture size of 5 mm*2 mm, a longitudinal aluminum wire nominal diameter of 0.2 mm, a transverse aluminum wire nominal diameter of 0.2 mm, and a breaking elongation of 25%, and the tire base layer is made of polyester tire base with a grammage of 200 g / m2.
[0055] In the present application, the aluminum mesh reinforcement layer and the tire base layer are applied to the modified asphalt waterproofing membrane, thereby obtaining a deformation-resistant modified asphalt waterproofing membrane.
[0056] Embodiment Two
[0057] In the present application, as another optional embodiment, the structure of the modified asphalt waterproofing membrane is the same as that of Embodiment One, the aluminum mesh reinforcement layer is made of aluminum wire with a width of 900 mm, a longitudinal and transverse aperture size of 6 mm*3 mm, a longitudinal aluminum wire nominal diameter of 0.2 mm, a transverse aluminum wire nominal diameter of 0.2 mm, and a breaking elongation of 25%, and the tire base layer is made of polyester tire base with a grammage of 200 g / m2. The aluminum mesh reinforcement layer and the tire base layer are applied to the modified asphalt waterproofing membrane, thereby obtaining a deformation-resistant modified asphalt waterproofing membrane.
[0058] Embodiment Three
[0059] In the embodiment of the present application, as a further optional embodiment, the aluminum mesh reinforcing layer is made of aluminum wire with a nominal diameter of 0.3 mm in the longitudinal direction and a nominal diameter of 0.2 mm in the transverse direction, a breaking elongation of 25%, and a width of 900 mm, and the aperture size in the longitudinal and transverse directions is 5 mm*2 mm. The base layer is made of a polyester base with a grammage of 200 g / m2. The aluminum mesh reinforcing layer and the base layer are applied to the modified asphalt roll material to obtain the anti-deformation modified asphalt waterproof roll material.
[0060] In the embodiment of the present application, in order to compare the thermal stability of the modified asphalt waterproof layer in the related art, as an optional embodiment, a modified asphalt roll material is made of a polyester base with a grammage of 200 g / m2 to obtain a comparative product 1, which does not contain an aluminum mesh reinforcing layer.
[0061] In the embodiment of the present application, as another optional embodiment, a high-density polyethylene base body and a base layer with a grammage of 200 g / m2 are applied to the modified asphalt roll material to obtain a comparative product 2.
[0062] Table 1 is a comparison table of the thermal stability of the anti-deformation modified asphalt waterproof roll material and the comparative products in the embodiment of the present application.
[0063]
[0064] In the embodiment, the test data obtained from Table 1 can be obtained as follows:
[0065] Compared with the modified asphalt waterproof roll material with a polyester base with a grammage of 200 g / m2 (comparative product 1), the thermal stability of the first embodiment is improved by 77%, the thermal stability of the second embodiment is improved by 69%, and the thermal stability of the third embodiment is improved by 82%, and the thermal stability is significantly improved.
[0066] Compared with the high-density polyethylene base body reinforcing roll material (comparative product 2), the thermal stability of the first embodiment is improved by 69%, the thermal stability of the second embodiment is improved by 59%, and the thermal stability of the third embodiment is improved by 76%, and the thermal stability is significantly improved.
[0067] The modified asphalt waterproof roll material based on the aluminum mesh structure reinforcement provided in the embodiment of the present application can reduce the thermal stability to below 0.2% by applying the aluminum mesh to the modified asphalt waterproof roll material, thereby effectively solving the waterproof quality problem of the modified asphalt roll material caused by deformation.
[0068] In the present application, the term "a plurality of" refers to at least two or at least two more, unless otherwise expressly specified. The terms "mounting", "connected", "connecting", "fixed", and the like should be interpreted broadly, for example, "connected" can be fixed connection, or detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0069] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "a specific embodiment", and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
Claims
1. A modified bitumen waterproofing membrane, characterized in that: Comprise: an upper surface isolation material layer (1), a first modified asphalt layer (2), an aluminum mesh reinforcement layer (3), a second modified asphalt layer (4), a tire base layer (5), a third modified asphalt layer (6), and a lower surface isolation material layer (7), wherein, the third modified asphalt layer (6) is disposed on the lower surface isolation material layer (7); the tire base layer (5) is disposed on the third modified asphalt layer (6); the second modified asphalt layer (4) is disposed on the tire base layer (5); the first modified asphalt layer (2) is disposed on the second modified asphalt layer (4); the upper surface isolation material layer (1) is disposed on the first modified asphalt layer (2); the aluminum mesh reinforcement layer (3) is disposed between the lower surface isolation material layer (7) and the upper surface isolation material layer (1).
2. The modified bitumen waterproofing membrane according to claim 1, characterized in that: The width of the aluminum mesh reinforcement layer is 900mm-950mm.
3. The modified bitumen waterproofing membrane according to claim 2, wherein: The density of the aluminum mesh reinforcement layer along the tire base longitudinal direction is greater than the density along the tire base transverse direction.
4. The modified bitumen waterproofing membrane according to claim 3, wherein: The aluminum mesh reinforcement layer comprises an aluminum mesh constructed using aluminum wires, and the pores of the aluminum mesh comprise rectangles.
5. The modified bitumen waterproofing membrane according to claim 4, wherein: The longitudinal and transverse dimensions of the rectangles formed by the aluminum mesh reinforcement layer are 5mm*2mm.
6. The modified bitumen waterproofing membrane according to claim 4, wherein: The longitudinal and transverse dimensions of the rectangles formed by the aluminum mesh reinforcement layer are 6mm*3mm.
7. The modified bitumen waterproofing membrane according to any one of claims 1 to 6, characterized in that: The aluminum wires that make up the aluminum mesh reinforcement layer are solid aluminum wires with a nominal diameter of 0.1mm-0.5mm and an elongation at break of 20%-30%.
8. The modified bitumen waterproofing membrane according to claim 7, wherein: The nominal diameter of the aluminum wires arranged longitudinally is 0.3mm, and the nominal diameter of the aluminum wires arranged transversely is 0.2mm.
9. The modified bitumen waterproofing membrane according to any one of claims 1 to 6, characterized in that: The aluminum mesh reinforcement layer (3) is disposed between the second modified asphalt layer (4) and the first modified asphalt layer (2), and the first modified asphalt layer (2) is disposed on the aluminum mesh reinforcement layer (3).
10. The modified bitumen waterproofing membrane according to any one of claims 1 to 6, characterized in that: The aluminum mesh reinforcement layer (3) is disposed between the second modified asphalt layer (4) and the tire base layer (5), and the second modified asphalt layer (4) is disposed on the aluminum mesh reinforcement layer (3).