CN219096166U - Polymer membrane base modified asphalt waterproof coiled material and waterproof engineering composite structure - Google Patents
Polymer membrane base modified asphalt waterproof coiled material and waterproof engineering composite structure Download PDFInfo
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- CN219096166U CN219096166U CN202221956673.0U CN202221956673U CN219096166U CN 219096166 U CN219096166 U CN 219096166U CN 202221956673 U CN202221956673 U CN 202221956673U CN 219096166 U CN219096166 U CN 219096166U
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Abstract
The utility model provides a macromolecule membrane-based modified asphalt waterproof coiled material and a waterproof engineering composite structure. The waterproof coiled material comprises an upper surface isolation layer, an upper surface modified asphalt coating layer, a polymer film upper surface composite layer, a polymer film base, a polymer film lower surface composite layer, a lower surface modified asphalt coating layer and a lower surface isolation layer which are sequentially arranged from top to bottom. The waterproof coiled material is characterized in that the base of the waterproof coiled material adopts a polymer composite membrane, and the upper surface and the lower surface of the polymer membrane base are compounded with the fiber fabric to form grid structures with different pores, so that the infiltration and the combination of the modified asphalt coating and the polymer membrane base are facilitated, and the binding force of the modified asphalt coating and the polymer membrane base is improved.
Description
Technical Field
The utility model relates to the technical field of waterproof engineering, in particular to a macromolecule membrane-based modified asphalt waterproof coiled material and a waterproof engineering composite structure.
Background
The waterproof coiled material is mainly used for building walls, roofs, tunnels, roads, landfill sites and the like, plays a role in resisting external rainwater and groundwater leakage, is a flexible coiled building material product, is used as a non-leakage connection between an engineering foundation and a building, is a first waterproof barrier of the whole engineering, and plays a vital role in the whole engineering.
The high-strength modified asphalt waterproof coiled materials in the prior art are polyester tire base or reinforced polyester tire base high polymer modified asphalt coiled materials, and the mechanical properties of the high-strength modified asphalt waterproof coiled materials are related to the thickness of the polyester tire. In the practical application process, the higher the strength requirement on the coiled material is, the thicker the thickness of the polyester tire is, so that the thickness of an asphalt effective layer is reduced, the waterproof effect is affected, the hardness of the coiled material is high, and the production process and the packaging and transportation are affected. For this problem, a polymeric film base may be used instead of a polyester base, which gives the web a higher strength at a lower thickness. However, the modified asphalt coating has poor adhesion, and has a lower wetting effect than the polymer film base, resulting in poor adhesion of the modified asphalt coating to the polymer film base. The existing modified asphalt coiled material construction method is open flame hot-melting construction, the polymer film base is easy to deform under hot-melting roasting, and the construction performance is inferior to that of the polyester tire base modified asphalt coiled material.
CN207449281U discloses a double-film modified asphalt waterproof coiled material, which sequentially comprises an upper surface polymer film base layer (1), a first layer of modified asphalt material (2), a polymer film core layer (3), a second layer of modified asphalt layer (4) and an isolating film (5) from top to bottom, wherein the upper surface polymer film base layer is one of a metal-plated PET polyester film or a plastic metal aluminum composite film; the double-film modified asphalt waterproof coiled material provided by the utility model is formed by compounding the double-layer modified asphalt layer and the double-layer reinforced film layer, the thickness is the same as that of a high polymer film base modified asphalt waterproof coiled material, but the stretching resistance, the tear resistance and the waterproof effect can reach the performances and the effects of a single-layer high polymer film base modified asphalt waterproof coiled material with two layers, the adhesion between the waterproof coiled material and a base surface is better, and the construction is easier and easier. But the coiled material referred to by the patent is self-adhesive asphalt coiled material, and is not modified asphalt coiled material, and the construction method is self-adhesive.
Based on the above-mentioned prior art, how to combine between polymer membrane base and the modified asphalt more closely, firmly, do not influence the mechanical properties of coiled material again simultaneously, and avoid the deformation problem that the hot melt construction brought, be the technical problem who needs to solve.
Disclosure of Invention
The utility model provides a macromolecule membrane base modified asphalt waterproof coiled material and a waterproof engineering composite structure, which aims to solve the technical problems of the macromolecule membrane base coiled material in the prior art.
The waterproof coiled material comprises an upper surface isolation layer, an upper surface modified asphalt coating layer, a polymer film upper surface composite layer, a polymer film base, a polymer film lower surface composite layer, a lower surface modified asphalt coating layer and a lower surface isolation layer which are sequentially arranged from top to bottom.
Further, the upper surface isolation layer is any one or more than two of a polyethylene layer, a fine sand layer, a mineral particle layer, polypropylene fiber cloth, polyester fiber cloth, hot-rolled cloth, grid cloth and nylon cloth. Wherein the softening point of the polyethylene layer is 100-120 ℃. The grain diameter of the fine sand is less than or equal to 0.6mm. The mineral particles are inorganic mineral particles, preferably including but not limited to shale, basalt. The polypropylene fiber cloth, the polyester fiber cloth, the hot rolled cloth and the grid cloth have the functions of reinforcement and isolation.
Further, the lower surface isolation layer is any one or more than two of a fine sand layer, a polyethylene layer, a polypropylene fiber cloth, a polyester fiber cloth, a hot-rolled cloth and a grid cloth. Wherein the grain diameter of the fine sand is less than or equal to 0.6mm. The softening point of the polyethylene layer is 100-120 ℃. The gram weight of any one of the polypropylene fiber cloth, the polyester fiber cloth, the hot rolled cloth and the grid cloth is 75-85 g/square meter. The polypropylene fiber cloth, the polyester fiber cloth, the hot rolled cloth and the grid cloth have the functions of reinforcement and isolation.
Further, the upper surface modified asphalt coating layer or the lower surface modified asphalt coating layer is a high polymer modified asphalt layer. Wherein the heat resistance of the high polymer modified asphalt layer can reach 90-115 ℃ and the low temperature performance can reach-40 to-25 ℃, and the high polymer modified asphalt layer is selected to purchase the high polymer modified asphalt which takes SBS as a main modifier and takes other auxiliary agents as auxiliary modifiers.
Further, the polymer film upper surface composite layer or the polymer film lower surface composite layer is a fiber fabric, preferably including but not limited to glass fiber and polyester fiber.
Further, the polymer film base can be one of a polyester film, a high-strength polyethylene film and a polyester composite film.
Further, the tensile force of the polymer film base can reach more than 600N/50 mm.
Further, the thickness of the polymer film base is 0.1 to 0.7mm, preferably 0.2 to 0.5mm.
Further, the total thickness of the polymer film base, the polymer film upper surface composite layer and the polymer film lower surface composite layer is 0.5-1.2mm, the tensile force can reach more than 800N/50mm, the tearing force can reach 600-1300N, and the puncture resistance intensity can reach 500-1100N.
Further, the upper surface composite layer of the polymer film and the lower surface composite layer of the polymer film are combined with the polymer film base by adopting a composite thermal bonding method.
Further, when the upper surface composite layer or the lower surface composite layer of the polymer film is glass fiber, the composite method of the glass fiber and the polymer film base is hot coating, specifically, the coating mode is that glass fiber mesh cloth is directly hot coated on the surface of the polymer film base in the production process of the polymer film base, wherein the mesh size of the glass fiber mesh cloth is (1-5) mm.
Further, when the upper surface composite layer or the lower surface composite layer of the polymer film is polyester fiber, the composite method of the polyester fiber and the polymer film base is thermal spinning, specifically, the polyester fiber is directly thermally spun on the surface of the polymer film base to form a grid structure, and the grid size is (0.01-1.0) mm (0.01-1.0).
Further, the thickness of the waterproof coiled material is 2-5mm.
The utility model also provides a waterproof engineering composite structure which comprises the polymer film-based modified asphalt waterproof coiled material, a waterproof coating and a base layer, wherein the polymer film-based modified asphalt waterproof coiled material, the waterproof coating and the base layer are sequentially arranged from top to bottom.
Further, the base layer is preferably a concrete base layer.
The utility model has the beneficial effects that:
1. in the utility model, the base of the waterproof coiled material adopts a polymer composite membrane, and the upper surface and the lower surface of the polymer membrane base are compounded with the fiber fabric to form grid structures with different pores, which is favorable for the infiltration and combination of the modified asphalt coating layer and the polymer membrane base, thereby improving the bonding force of the modified asphalt coating layer and the polymer membrane base.
2. The product has excellent mechanical properties, can replace polyester tire base modified asphalt coiled materials to be applied to roof engineering and underground engineering with important and general waterproof grades, and building engineering such as subways, highways, railways and the like in open cut construction, and has practicability.
3. The product can reach the application requirement of mechanical property under the condition that the thickness is lower than that of the polyester tire base modified asphalt coiled material, and the cost can be lower than that of the polyester tire base modified asphalt waterproof coiled material, so that the product has economy.
4. The product coiled material can be constructed by adopting a hot bonding method of a coil coating composite system, is baked without open fire, and accords with the concept of green low carbon, energy conservation and environmental protection.
Drawings
Fig. 1 is a schematic structural view of a waterproof roll of the present utility model.
1-an upper surface isolation layer;
2-upper surface modified asphalt coating;
3, a polymer film upper surface composite layer;
4-polymer membrane base;
5-a polymer film lower surface composite layer;
6-lower surface modified asphalt coating;
7-lower surface isolation layer.
Fig. 2 is a schematic view of the waterproof engineering composite structure of the present utility model.
8-macromolecule membrane base modified asphalt waterproof coiled material;
9-waterproof paint;
10-a concrete base layer.
Detailed Description
The utility model is further illustrated in the following figures and examples, which should not be taken to limit the scope of the utility model.
Example 1
As shown in figure 1, the high polymer film base modified asphalt waterproof roll has the thickness of 2mm and comprises an upper surface isolation layer 1, an upper surface modified asphalt coating layer 2, a high polymer film upper surface composite layer 3, a high polymer film base 4, a high polymer film lower surface composite layer 5, a lower surface modified asphalt coating layer 6 and a lower surface isolation layer 7 which are sequentially arranged from top to bottom, wherein the high polymer film upper surface composite layer 3, the high polymer film lower surface composite layer 5 and the high polymer film base 4 are combined by adopting thermal spinning,
wherein, the upper surface isolation layer 1 is a polyethylene layer with the thickness of 0.01mm;
the lower surface isolation layer 7 is a polyethylene film with the thickness of 0.005mm;
the upper surface modified asphalt coating layer 2 and the lower surface modified asphalt coating layer 6 are made of high polymer modified asphalt, SBS is used as a main modifier, and other auxiliary agents are used as auxiliary modifiers;
the upper surface composite layer 3 and the lower surface composite layer 5 of the polymer film are polyester fibers;
the polymer film base 4 is a polyester film;
the total thickness of the polymer film base 4, the polymer film upper surface composite layer 3 and the polymer film lower surface composite layer 5 is 0.6mm.
The mechanical properties of the waterproof roll of example 1 are shown in table 1.
Table 1 mechanical properties test results of the waterproof roll of example 1
As shown in fig. 2, a waterproof engineering composite structure comprising the waterproof coiled material comprises the polymer film base modified asphalt waterproof coiled material 8, a waterproof coating 9 and a concrete base layer 10 which are sequentially arranged from top to bottom.
The construction method is that the composite construction is rolled, specifically, the waterproof coating is sprayed or scraped on the concrete base layer, then the waterproof coiled material is paved on the waterproof coating layer, compacted and compacted.
Example 2
The high polymer film base modified asphalt waterproof coiled material with the thickness of 3mm comprises an upper surface isolation layer 1, an upper surface modified asphalt coating layer 2, a high polymer film upper surface composite layer 3, a high polymer film base 4, a high polymer film lower surface composite layer 5, a lower surface modified asphalt coating layer 6 and a lower surface isolation layer 7 which are sequentially arranged from top to bottom, wherein the high polymer film upper surface composite layer 3, the high polymer film lower surface composite layer 5 and the high polymer film base 4 are combined by adopting thermal spinning,
wherein the upper surface isolation layer 1 is a fine sand layer;
the lower surface isolation layer 7 is a polyethylene film with the thickness of 0.01mm;
the upper surface modified asphalt coating layer 2 and the lower surface modified asphalt coating layer 6 are made of high polymer modified asphalt, SBS is used as a main modifier, and other auxiliary agents are used as auxiliary modifiers;
the upper surface composite layer 3 and the lower surface composite layer 5 of the polymer film are polyester fibers;
the polymer film base 4 is a polyester composite film;
the total thickness of the polymer film base 4, the polymer film upper surface composite layer 3 and the polymer film lower surface composite layer 5 is 0.8mm.
The mechanical properties of the waterproof roll of example 2 are shown in table 2.
TABLE 2 mechanical wake test results of the waterproof roll of example 2
Example 3
The high polymer film base modified asphalt waterproof coiled material with the thickness of 4mm comprises an upper surface isolation layer 1, an upper surface modified asphalt coating layer 2, a high polymer film upper surface composite layer 3, a high polymer film base 4, a high polymer film lower surface composite layer 5, a lower surface modified asphalt coating layer 6 and a lower surface isolation layer 7 which are sequentially arranged from top to bottom, wherein the high polymer film upper surface composite layer 3, the high polymer film lower surface composite layer 5 and the high polymer film base are combined by adopting thermal coating,
wherein the upper surface isolation layer 1 is a mineral particle layer;
the lower surface isolation layer 7 is a polyethylene film;
the upper surface modified asphalt coating layer 2 and the lower surface modified asphalt coating layer 6 are made of high polymer modified asphalt, SBS is used as a main modifier, and other auxiliary agents are used as auxiliary modifiers;
the upper surface composite layer 3 and the lower surface composite layer 5 of the polymer film are made of glass fibers;
the polymer film base 4 is a polyester composite film;
the total thickness of the polymer film base 4, the polymer film upper surface composite layer 3 and the polymer film lower surface composite layer 5 is 0.8mm.
The mechanical properties of the waterproof roll of example 3 are shown in table 3.
TABLE 3 mechanical test results of the waterproof roll of example 3
Example 4
The high polymer film base modified asphalt waterproof coiled material with the thickness of 4mm comprises an upper surface isolation layer 1, an upper surface modified asphalt coating layer 2, a high polymer film upper surface composite layer 3, a high polymer film base 4, a high polymer film lower surface composite layer 5, a lower surface modified asphalt coating layer 6 and a lower surface isolation layer 7 which are sequentially arranged from top to bottom, wherein the high polymer film upper surface composite layer 3, the high polymer film lower surface composite layer 5 and the high polymer film base are combined by adopting thermal coating,
wherein the upper surface isolation layer 1 is a mineral particle layer;
the lower surface isolation layer 7 is made of polyester fiber cloth and has the thickness of 0.2mm;
the upper surface modified asphalt coating layer 2 and the lower surface modified asphalt coating layer 6 are made of high polymer modified asphalt, SBS is used as a main modifier, and other auxiliary agents are used as auxiliary modifiers;
the upper surface composite layer 3 and the lower surface composite layer 5 of the polymer film are made of glass fibers;
the polymer film base 4 is a polyester composite film with the thickness of 0.6mm.
The mechanical properties of the waterproof roll of example 4 are shown in table 4.
Table 4 mechanical properties test results of the waterproof roll of example 4
Comparative example 1
A waterproof coiled material has the following structural layers:
the upper surface isolation layer is a polyethylene layer;
the isolating layer on the lower surface is a polyethylene film;
the upper surface modified asphalt coating layer and the lower surface modified asphalt coating layer are high polymer modified asphalt, SBS is used as a main modifier, and other auxiliary agents are used as auxiliary modifiers;
the coiled material base is a long fiber polyester base, and the gram weight is 250 g/square meter;
the thickness of the coiled material is 3mm;
the mechanical properties of the waterproof roll of comparative example 1 are shown in table 5.
Table 5 mechanical properties test results of the waterproof roll of comparative example 1
Comparative example 2
A waterproof coiled material has the following structural layers:
the upper surface isolation layer is a mineral particle layer;
the isolating layer on the lower surface is a polyethylene film;
the upper surface modified asphalt coating layer and the lower surface modified asphalt coating layer are high polymer modified asphalt, SBS is used as a main modifier, and other auxiliary agents are used as auxiliary modifiers;
the coiled material base is a long fiber polyester base, and the gram weight is 250 g/square meter;
the thickness of the coiled material is 4mm;
the mechanical properties of the waterproof roll of comparative example 2 are shown in table 6.
Table 6 mechanical properties test results of the waterproof roll of comparative example 2
As can be seen by comparison, the high polymer film base modified asphalt waterproof coiled material has excellent mechanical properties, and the mechanical properties of the coiled material with the thickness of 2mm can meet the mechanical property requirements of the coiled material with the thickness of 3mm with the traditional polyester tire base. Under the condition of the same thickness, the mechanical property is far more than that of the polyester tire base modified asphalt waterproof coiled material, and the modified asphalt waterproof coiled material can be applied to the fields with high requirements on mechanical properties such as highways and railways, and the application field of the modified asphalt waterproof coiled material is expanded.
The above description is only of the preferred embodiment of the present utility model, and is not intended to limit the present utility model in any other way, but is intended to cover any modifications or equivalent variations according to the technical spirit of the present utility model, which fall within the scope of the present utility model as defined by the appended claims.
Claims (13)
1. The waterproof coiled material is characterized by comprising an upper surface isolation layer (1), an upper surface modified asphalt coating layer (2), a polymer film upper surface composite layer (3), a polymer film base (4), a polymer film lower surface composite layer (5), a lower surface modified asphalt coating layer (6) and a lower surface isolation layer (7) which are sequentially arranged from top to bottom.
2. The polymer film base modified asphalt waterproof coiled material according to claim 1, wherein the upper surface isolation layer (1) is any one or more than two of a polyethylene layer, a fine sand layer, a mineral particle layer, a polypropylene fiber cloth, a polyester fiber cloth, a hot-rolled cloth, a mesh cloth and a nylon cloth.
3. The polymer film-based modified asphalt waterproof roll according to claim 1 or 2, wherein the lower surface isolation layer (7) is any one or more of a fine sand layer, a polyethylene layer, a polypropylene fiber cloth, a polyester fiber cloth, a hot rolled cloth, and a mesh cloth.
4. The polymer film-based modified asphalt waterproof roll according to claim 1 or 2, wherein the upper surface modified asphalt coating layer (2) or the lower surface modified asphalt coating layer (6) is a polymer modified asphalt layer.
5. The polymer film-based modified asphalt waterproof coiled material according to claim 1 or 2, wherein the polymer film upper surface composite layer (3) or the polymer film lower surface composite layer (5) is a fiber fabric.
6. The polymer film base modified asphalt waterproof coiled material according to claim 1 or 2, wherein the polymer film base (4) is one of a polyester film, a high-strength polyethylene film and a polyester composite film.
7. The polymer film base modified asphalt waterproof coiled material according to claim 6, wherein the tensile force of the polymer film base (4) is more than 600N/50 mm.
8. The polymer film base modified asphalt waterproof roll as claimed in claim 6, wherein the thickness of the polymer film base (4) is 0.1-0.7mm.
9. The polymer film base modified asphalt waterproof roll as claimed in claim 8, wherein the thickness of the polymer film base (4) is 0.2-0.5mm.
10. The polymer film base modified asphalt waterproof coiled material according to claim 6, wherein the total thickness of the polymer film base (4), the polymer film upper surface composite layer (3) and the polymer film lower surface composite layer (5) is 0.5-1.2mm.
11. The polymer film base modified asphalt waterproof coiled material according to claim 6, wherein when the polymer film upper surface composite layer (3) or the polymer film lower surface composite layer (5) is glass fiber, the mesh size of the glass fiber is (1-5) mm x (1-5) mm;
when the upper surface composite layer (3) or the lower surface composite layer (5) of the polymer film is made of polyester fiber, the mesh size of the polyester fiber is (0.01-1.0) mm (0.01-1.0).
12. The polymer film base modified asphalt waterproof roll according to claim 1 or 2, wherein the thickness of the waterproof roll is 2-5mm.
13. A waterproof engineering composite structure, which is characterized by comprising the polymer film-based modified asphalt waterproof coiled material according to any one of claims 1 to 12, and comprises the polymer film-based modified asphalt waterproof coiled material (8), a waterproof coating (9) and a base layer (10) which are sequentially arranged from top to bottom.
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| CN202221956673.0U CN219096166U (en) | 2022-07-27 | 2022-07-27 | Polymer membrane base modified asphalt waterproof coiled material and waterproof engineering composite structure |
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| CN202221956673.0U CN219096166U (en) | 2022-07-27 | 2022-07-27 | Polymer membrane base modified asphalt waterproof coiled material and waterproof engineering composite structure |
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| CN219096166U true CN219096166U (en) | 2023-05-30 |
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- 2022-07-27 CN CN202221956673.0U patent/CN219096166U/en active Active
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