CN219505597U - Fiber reinforced polyester base, waterproof coiled material and waterproof engineering composite structure - Google Patents
Fiber reinforced polyester base, waterproof coiled material and waterproof engineering composite structure Download PDFInfo
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- CN219505597U CN219505597U CN202222249868.8U CN202222249868U CN219505597U CN 219505597 U CN219505597 U CN 219505597U CN 202222249868 U CN202222249868 U CN 202222249868U CN 219505597 U CN219505597 U CN 219505597U
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Abstract
The utility model relates to a fiber reinforced polyester base, a waterproof coiled material and a waterproof engineering composite structure. The polyester tire base comprises fiber reinforced belts which are arranged at equal intervals along the length direction, and the fiber reinforced belts are fused in the polyester tire base. The waterproof coiled material comprises an upper surface isolation layer, an upper surface modified asphalt layer, a middle reinforcing layer, a lower surface modified asphalt layer and a lower surface isolation layer which are arranged from top to bottom. The fiber reinforced belts are arranged at equal intervals along the length direction preferentially, so that the production cost is saved, the dimensional change rate of the waterproof coiled material is improved from less than or equal to 0.7% to less than or equal to 0.5%, the dimensional stability is improved, the phenomenon that leakage is caused by obvious displacement of the short-side lap parts of the waterproof coiled material under any complex condition is effectively avoided, and the problem of lap edge shrinkage under the condition of complex environment temperature change is solved.
Description
Technical Field
The utility model relates to the technical field of waterproof engineering, in particular to a fiber reinforced polyester base, a 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 modified asphalt waterproof coiled material consists of five layers of structures of an upper surface Polyethylene (PE) film or mineral aggregate or fine sand, a modified asphalt layer, a middle reinforcing layer, a modified asphalt layer and a lower surface PE film, according to the requirements of national standard GB 18242-2008, PY is a waterproof coiled material made of polyester cloth as a base, I type and II type are waterproof coiled materials of two material types in material standards, the dimensional change rate of physical property indexes is less than or equal to 0.7%, the setting of the indexes aims at reducing the dimensional change degree of the waterproof coiled material, and avoids the water leakage phenomenon caused by short-side joint edge dislocation caused by larger dimensional change, so that the waterproof effect is more outstanding. At present, the base layer condition used by the hot melt coiled material is complex, the environmental temperature change difference is large, and the short edge lap joint of the coiled material is abnormal due to the influence of the longitudinal stress of the coiled material. Therefore, in the application process, due to the problem of stress, the dimension change rate in the elongation direction is most easy to be abnormal, so that the lap joint of the coiled material is displaced, and adverse effects such as leakage and the like are generated.
CN215211592U discloses a stretch-resistant waterproof coiled material, which comprises a polyester base cloth, an upper modified asphalt waterproof layer, a lower modified asphalt waterproof layer, an adhesive layer, a toughness layer, a tensile layer, transverse reinforcing ribs and longitudinal reinforcing ribs, wherein the upper side and the lower side of the polyester base cloth are respectively provided with the upper modified asphalt waterproof layer and the lower modified asphalt waterproof layer, and the lower side of the lower modified asphalt waterproof layer is adhered with the adhesive layer; the upper side of the upper modified asphalt waterproof layer is provided with a toughness layer, the upper side of the toughness layer is provided with a tensile layer, the tensile layer is made of polyethylene materials, the upper surface of the tensile layer is uniformly provided with arc-shaped transverse reinforcing ribs and longitudinal reinforcing ribs, the transverse reinforcing ribs and the longitudinal reinforcing ribs are mutually staggered to form a grid shape, rubber strips are arranged in the transverse reinforcing ribs and the longitudinal reinforcing ribs, the toughness layer is made of nylon fiber woven layers, and the rubber strips are arranged in the transverse reinforcing ribs and the longitudinal reinforcing ribs. Although the patent discloses that the tensile property of the waterproof coiled material can be enhanced by utilizing fibers and reinforcing ribs, the number of layers of the coiled material is more in the technology, the reinforcing ribs and the polyester base are positioned on different layers, the problem of layering still exists in actual use, and after a period of use, the reinforcing ribs and other layers are still easy to separate due to different tensile properties, so that the service life of the coiled material is influenced.
CN202073244U discloses a PVC waterproof coiled material, comprising PVC layers and reinforced materials, wherein the reinforced materials are polyester fiber fabrics with net structures, and are positioned between 2 PVC layers; the PVC layer and the reinforced material are combined into an integrated structure through a special extrusion coating process. The PVC waterproof coiled material has no pollution in the processing process, and belongs to an environment-friendly product. However, this patent discloses in paragraph 0015 that an additional layer should be provided at a specific location when the PVC waterproofing membrane is applied. That is, the person skilled in the art should pay attention to the construction conditions of the specific portion during the construction, which additionally causes human error, resulting in degradation of the final waterproof effect, heat shrinkage and the like.
CN216890762U discloses a polyvinyl chloride PVC polymer waterproofing membrane, including the waterproofing membrane body, the waterproofing membrane body be layered structure, the waterproofing membrane body includes from last to down stack in proper order and sets up waterproofing membrane body and is equipped with polymer nanometer layer, anti-aging layer, PVC waterproof layer, compound child basic unit, enhancement layer, tie coat, just the enhancement layer both sides are adjacent to be compound child basic unit, the enhancement layer be the fibre weaving layer, be provided with PE membrane rete on the lower surface of tie coat. Although the patent discloses that the size change rate of the waterproof coiled material can be reduced by using the fiber and the composite matrix, the fiber weaving layer is independent of the polyester matrix, and the separation of layers in the use process caused by different tensile properties among the layers still cannot be solved, and the waterproof coiled material has the advantages of multiple structural layers, high manufacturing cost and more complex production process.
Based on the above-mentioned prior art, providing a reinforced layer that can be more tightly fused with a polyester substrate is a technical problem to be solved.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a fiber reinforced polyester tire base, wherein the polyester tire base comprises fiber reinforced belts which are arranged at equal intervals along the length direction, and the fiber reinforced belts are fused in the polyester tire base.
Further, the linear density of the fiber reinforced tape is 70-80Tex (Tex).
Further, the distance between two adjacent fiber reinforced belts is 8-12mm.
Further, the fibers in the fiber reinforced tape are glass fibers.
Further, the gram weight of the fiber reinforced belt is 170-280g/kg, and the thickness is 1.05-1.20mm.
Further, the fiber reinforced polyester matrix is manufactured by adopting a thermal bonding process.
The utility model also provides a waterproof coiled material comprising the fiber reinforced polyester matrix, which comprises an upper surface isolation layer, an upper surface modified asphalt layer, a middle reinforcing layer, a lower surface modified asphalt layer and a lower surface isolation layer which are arranged from top to bottom, wherein the middle reinforcing layer is the fiber reinforced polyester matrix and is used for enhancing the dimensional stability of the waterproof coiled material.
Further, the upper surface isolation layer is one of a Polyethylene (PE) film layer, a mineral particle layer and a fine sand layer.
Further, the upper surface modified asphalt layer or the lower surface modified asphalt layer is high polymer modified asphalt.
Further, the thickness of the lower surface modified asphalt layer is 1.0-1.2mm.
Further, the lower surface isolation layer is a Polyethylene (PE) film layer with the thickness of 0.008-0.012mm.
Further, lines which are arranged in the same direction with the fiber reinforced belts are arranged on the PE film layer and are used for conveniently defining the laying direction of coiled materials in the construction process.
Further, the thickness of the waterproof coiled material is 3mm or 4mm or 5mm.
The waterproof engineering composite structure comprises the waterproof coiled material, waterproof paint and a base layer from top to bottom, wherein the base layer is preferably a concrete layer. The waterproof engineering composite structure is characterized in that the waterproof coating is sprayed or scraped on the base layer, and then the waterproof coiled material is paved on the waterproof coating, compacted and compacted.
Based on actual use condition, the person skilled in the art can increase the fiber reinforced belt extending in the width direction or the fiber reinforced belt extending at any angle in the fiber reinforced polyester base for being suitable for the use condition of the actual waterproof roll, and further enhancing the stability of the waterproof roll size.
The utility model has the beneficial effects that:
1. the intermediate reinforcing layer disclosed by the utility model is formed by fusing the fiber reinforcing belt in the polyester base by combining the fiber reinforcing belt with the polyester base through a thermal bonding process, so that compared with the traditional waterproof coiled material, the prepared waterproof coiled material has the advantages that the strength of the waterproof coiled material is improved, the porosity and the presoaking effect are effectively improved, and the adaptability is wider.
2. The fiber reinforced belts in the middle reinforced layer are arranged at equal intervals along the length direction preferentially, so that the production cost is saved, the dimensional change rate of the waterproof coiled material is improved from less than or equal to 0.7% to less than or equal to 0.5%, the dimensional stability of the waterproof coiled material is improved, the phenomenon that leakage is caused by obvious displacement of short-side lap parts of the waterproof coiled material under any complex condition is effectively avoided, and the problem of lap edge shrinkage under the condition of complex environmental temperature change is solved.
3. The PE film layer selected by the utility model has excellent meltability and aging resistance, and is also provided with white straight stripes which are arranged in the same direction as the fibers in the middle reinforcing layer, so that the characteristics of the product are highlighted, the aesthetic feeling of the design is improved, the construction accuracy and convenience are improved, the construction deviation is reduced, the leakage risk is reduced, and the waterproof effect is improved.
Drawings
Fig. 1 is a schematic structural view of a waterproof roll.
Fig. 2 is a schematic view of an arrangement structure of the fiber elongation direction in the middle reinforcing layer of the waterproof roll.
Fig. 3 is a schematic diagram showing the arrangement of lines of a PE film layer of the waterproof roll of the present utility model.
Fig. 4 is a schematic view of a waterproof engineering composite structure of the waterproof coiled material of the present utility model.
The reference designations in the figures are as follows:
1. an upper surface isolation layer; 2. an upper surface modified asphalt layer; 3. an intermediate enhancement layer; 4. a lower surface modified asphalt layer; 5. a lower surface isolation layer; 6. waterproof coiled materials; 7. waterproof paint; 8. a base layer; A. and a length direction.
Detailed Description
Example 1
The middle reinforcing layer 3 of the modified asphalt waterproof coiled material of the embodiment adopts the extension direction A and glass fiber, the upper surface isolation layer 1 is a PE film layer with white linear stripes in the extension direction A, and the lower surface isolation layer 5 is a conventional PE film without white linear stripes in the extension direction.
| Description of the embodiments | Dimensional change rate/% (typical value) |
| Example 1 | 0.41 |
Example 2
The middle reinforcing layer 3 of the modified asphalt waterproof coiled material adopts the extending direction A and glass fiber, the upper surface isolation layer 1 is a fine sand layer, and the lower surface isolation layer 5 is a PE film with white straight stripes in the extending direction A.
| Description of the embodiments | Dimensional change rate/% (typical value) |
| Example 2 | 0.42 |
Example 3
The middle reinforcing layer 3 of the modified asphalt waterproof coiled material adopts the extending direction A and glass fiber, the upper surface isolation layer 1 is a mineral particle layer, and the lower surface isolation layer 5 is a PE film with white straight stripes in the extending direction A.
| Description of the embodiments | Dimensional change rate/% (typical value) |
| Example 3 | 0.38 |
Comparative example 1
The middle reinforcing layer 3 of the modified asphalt waterproof coiled material of the comparative example adopts a polyester base, the upper surface isolation layer 1 is a conventional PE film layer without the white linear stripes in the extending direction, and the lower surface isolation layer 5 is a conventional PE film layer without the white linear stripes in the extending direction.
| Description of the embodiments | Dimensional change rate/% (test typical value range) |
| Comparative example 1 | 0.63 |
Comparative example 2
The middle reinforcing layer 3 of the modified asphalt waterproof coiled material of the comparative example adopts a polyester base, the upper surface isolation layer 1 is a fine sand layer, and the lower surface isolation layer 5 is a conventional PE film layer without extending white linear stripes in the direction.
| Description of the embodiments | Dimensional change rate/% (test typical value range) |
| Comparative example 2 | 0.64 |
Comparative example 3
The middle reinforcing layer 3 of the modified asphalt waterproof coiled material of the comparative example adopts a polyester base, the upper surface isolation layer 1 is a mineral particle layer, and the lower surface isolation layer 5 is a conventional PE film layer without a white linear stripe in the extending direction.
| Description of the embodiments | Dimensional change rate/% (test typical value range) |
| Comparative example 3 | 0.59 |
Summarizing:
the modified asphalt waterproof coiled material in the embodiment has the dimensional change rate smaller than that of the modified asphalt waterproof coiled material in the comparative example, meanwhile, the dimensional change rate of the waterproof coiled material is improved from less than or equal to 0.7% to less than or equal to 0.5%, the dimensional stability of the waterproof coiled material is greatly improved, the phenomenon that leakage is caused by obvious displacement of a short-side lap joint part of the waterproof coiled material under any complex condition is effectively avoided, and the problem of lap joint edge shrinkage generated under the condition of complex environment temperature change is solved. The product characteristics are highlighted, the design aesthetic feeling is increased, the construction accuracy and convenience are improved, the construction deviation is reduced, the leakage risk is reduced, and the waterproof effect is improved.
As shown in fig. 4, a schematic diagram of a waterproof engineering composite structure of the waterproof coiled material of the present utility model includes a waterproof coiled material 6, a waterproof coating 7 and a base layer 8 from top to bottom, wherein the waterproof engineering composite structure is formed by spraying or knife coating the waterproof coating 7 on the base layer 8, then paving the waterproof coiled material 6 on the waterproof coating 7, and compacting.
It is to be understood that the utility model is not limited to the arrangements and instrumentality shown in the drawings and described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (13)
1. The fiber reinforced polyester tire base is characterized by comprising fiber reinforced belts which are arranged at equal intervals along the length direction, and the fiber reinforced belts are fused in the polyester tire base.
2. The fiber reinforced polyester tread of claim 1, wherein the linear density of the fiber reinforced tape is 70 to 80Tex.
3. A fibre reinforced polyester tread base according to claim 2, wherein the distance between two adjacent fibre reinforced tapes is 8-12mm.
4. A fibre reinforced polyester matrix according to claim 3, wherein the fibres in the fibre reinforced tape are glass fibres.
5. The fiber reinforced polyester tread of claim 1, wherein the fiber reinforced tape has a grammage of 170-280g/kg and a thickness of 1.05-1.20mm.
6. A waterproofing membrane (6) comprising a fiber reinforced polyester matrix according to any one of claims 1 to 5, characterized in that the waterproofing membrane (6) comprises an upper surface isolation layer (1), an upper surface modified asphalt layer (2), an intermediate reinforcement layer (3), a lower surface modified asphalt layer (4), and a lower surface isolation layer (5) arranged from top to bottom, wherein the intermediate reinforcement layer (3) is the fiber reinforced polyester matrix for enhancing the dimensional stability of the waterproofing membrane (6).
7. The waterproof roll (6) according to claim 6, wherein the upper surface isolation layer (1) is one of a PE film layer, a mineral particle layer, and a fine sand layer.
8. The waterproof roll (6) according to claim 6, wherein the upper surface-modified asphalt layer (2) or the lower surface-modified asphalt layer (4) is a high polymer-modified asphalt.
9. The water-resistant roll (6) according to claim 8, characterized in that the thickness of the lower surface-modified asphalt layer (4) is 1.0-1.2mm.
10. The waterproof roll (6) according to claim 6, wherein the lower surface isolation layer (5) is a PE film layer with a thickness of 0.008-0.012mm.
11. The waterproof roll (6) according to any one of claims 7 or 10, wherein lines arranged in the same direction as the fiber reinforced tape are arranged on the PE film layer, so as to facilitate the definition of the laying direction of the roll in the construction process.
12. The water-resistant roll (6) according to claim 6, characterized in that the thickness of the water-resistant roll (6) is 3mm or 4mm or 5mm.
13. A waterproof engineering composite structure comprising the waterproof coiled material (6) according to any one of claims 6 to 12, which is characterized by comprising the waterproof coiled material (6), the waterproof coating (7) and the base layer (8) from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222249868.8U CN219505597U (en) | 2022-08-26 | 2022-08-26 | Fiber reinforced polyester base, waterproof coiled material and waterproof engineering composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222249868.8U CN219505597U (en) | 2022-08-26 | 2022-08-26 | Fiber reinforced polyester base, waterproof coiled material and waterproof engineering composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219505597U true CN219505597U (en) | 2023-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222249868.8U Active CN219505597U (en) | 2022-08-26 | 2022-08-26 | Fiber reinforced polyester base, waterproof coiled material and waterproof engineering composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219505597U (en) |
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2022
- 2022-08-26 CN CN202222249868.8U patent/CN219505597U/en active Active
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