CN211775161U - Modified asphalt waterproof coiled material for roof repairing - Google Patents
Modified asphalt waterproof coiled material for roof repairing Download PDFInfo
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- CN211775161U CN211775161U CN201922147404.4U CN201922147404U CN211775161U CN 211775161 U CN211775161 U CN 211775161U CN 201922147404 U CN201922147404 U CN 201922147404U CN 211775161 U CN211775161 U CN 211775161U
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Abstract
The utility model relates to a modified asphalt waterproofing membrane is used in roofing repair. The technical scheme is as follows: the upper and lower surfaces of the tyre base reinforcing layer are respectively provided with an environment-friendly modified asphalt layer and a high heat-resistant non-cured rubber asphalt layer, the thickness gradient areas are respectively arranged at the left and right sides of the environment-friendly modified asphalt layer, the upper isolation protective layer, the construction lap joint warning line and the isolation side film are arranged on the upper surface of the environment-friendly modified asphalt layer, and the lower isolation protective layer is arranged on the lower surface of the high heat-resistant non-cured rubber asphalt layer. The beneficial effects are that: the product has the double functions of the modified asphalt waterproof coiled material and the non-cured rubber asphalt waterproof coating; the emission of carbon monoxide, sulfur dioxide, hydrogen sulfide and other atmospheric pollutants in the production process is reduced by more than 50 percent. Meanwhile, the system viscosity of the modified asphalt is effectively reduced, and the lodging resistance of the coiled material in a high-temperature environment is improved; the full-adhesion effect of hot melting construction reaches 100%, and the dual functions of water resistance and sealing are realized.
Description
Technical Field
The utility model relates to a modified asphalt waterproofing membrane, in particular to modified asphalt waterproofing membrane for roof repair.
Background
The traditional modified asphalt waterproof coiled material is developed in China for more than twenty years, and due to the excellent high-low temperature resistance and other performances, the traditional modified asphalt waterproof coiled material is constructed by a hot melting method, the method is simple and reliable, the traditional modified asphalt waterproof coiled material can be constructed all the year round, and the influence of construction areas and environmental temperature is small. Therefore, the waterproof material is actively popularized and applied in China, and currently accounts for over 70 percent of the national waterproof roll market and over 50 percent of the national waterproof material market. However, at present, many domestic production enterprises of the products are small in scale, management and technical levels are behind, the product quality is uneven, and the service life of the product exposed on the roof is low due to serious defects of a roof maintenance system and management, so that the service life of the product exposed on the roof is more than 10 years from the current roof renovation market. With the rapid development of the domestic construction market in nearly twenty years, the waterproof of the existing building roof with at least 20 hundred million square meters per year enters the renovation or renovation period, if the renovation or renovation is not carried out in time, the functions of the building such as waterproof, heat preservation, heat insulation and the like are influenced, and the living quality of residents is also influenced. However, the current situation of roof renovation is difficult to satisfy by the existing waterproof products due to the particularity of roof renovation, and the main problems are that the waterproof layer of the roof to be renovated is not as clean and tidy as a newly-built roof, but is often damaged and seriously stained, if the waterproof layer is completely dismantled and renovated, a large amount of waste coiled materials are recycled, and the renovation or renovation cost is greatly increased, so that the most economical method is to dismantle only the seriously damaged part, then repair the dismantled part by using materials such as self-leveling mortar, and then fully melt and adhere a layer of the waterproof coiled material special for roof renovation. Roof renovation is an emerging field for the waterproofing industry. In spite of the remarkable market demand, the development and production of the waterproofing membrane products for roof renovation are seriously delayed due to the advance convergence, and thus the work of developing the waterproofing membrane products for roof renovation which is urgently needed in the market is promoted. The using environment of the waterproof coiled material determines that the waterproof coiled material special for roof repair needs to have excellent aging resistance and wide adaptability of a base layer. Therefore, the development of a special waterproof coiled material product for repairing a high-cost-performance roof urgently needed by the market has important economic and practical significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a modified asphalt waterproofing membrane is used in roofing reparation to the above-mentioned defect that prior art exists, both having excellent performance that exposes, having extensive basic unit adaptability again (to the broken of pitch base, stained waterproof basic unit, enable the hot melt construction and fully glue the effect and reach 100% (conventional pitch coiled material generally only can reach about 75%), realize waterproof and sealed dual function.
The utility model provides a modified asphalt waterproofing membrane for roofing is repaired, its technical scheme is: including child base enhancement layer (1), environment-friendly modified asphalt layer (2), high heat-resistant type non-cured rubber asphalt layer (3), thickness gradual change district (4), go up keep apart inoxidizing coating (5), construction overlap joint warning line (6), isolation boundary film (7), keep apart inoxidizing coating (8) down, the surface sets up environment-friendly modified asphalt layer (2) and high heat-resistant type non-cured rubber asphalt layer (3) respectively about child base enhancement layer (1), and thickness gradual change district (4) set up respectively in the left and right sides of environment-friendly modified asphalt layer (2), goes up and keeps apart inoxidizing coating (5), construction overlap joint warning line (6) and isolation boundary film (7) and sets up the upper surface at environment-friendly modified asphalt layer (2), keeps apart inoxidizing coating (8) down and sets up the lower surface at high heat-resistant type non-cured rubber asphalt layer (3).
Preferably, the lower isolation and protection layer (8) is a multi-layer co-extrusion two-way stretching heat-sealing film.
Preferably, the upper isolation and protection layer (5) adopts a self-weathering mineral particle layer or a polyethylene film.
Preferably, when the upper isolation protection layer (5) is made of a polyethylene film, a construction lap warning line (6) is arranged, and when the upper isolation protection layer (5) is filled with weather-resistant mineral particles, an isolation side film (7) is arranged.
Preferably, the thickness of the coil in the thickness gradually-changing area (4) is gradually and uniformly reduced to 90% of the thickness from 100mm away from the left edge and the right edge towards the outer edge respectively.
The utility model has the advantages that: the product has the dual characteristics of the modified asphalt waterproof coiled material and the non-cured rubber asphalt waterproof coating, and further has the dual functions of water resistance and sealing. The technical obstacle that the thickness of the non-cured rubber asphalt waterproof coating is difficult to control by field hot melting molding is overcome by factory prefabrication molding of the non-cured rubber asphalt waterproof coating, and the adaptability of the base layer of the product, particularly the adaptability of the asphalt base to damage and stain the waterproof base layer, is improved by utilizing the performances of the permanent viscoelastic paste body, the self-healing property and the like of the non-cured rubber asphalt waterproof coating;
the sheet weather-resistant mineral particle layer has excellent adhesion effect on the environment-friendly modified asphalt layer and also has an ultraviolet-resistant function, so that the product has an excellent exposure use function under the protection of the ultraviolet-resistant mineral particle layer, and the product is suitable for being exposed on a roof;
the application of the multilayer co-extrusion biaxial stretching heat-sealing film overcomes the technical obstacle that the high heat-resistant non-cured rubber asphalt layer has strong deformability and is difficult to shape, and the high heat-resistant non-cured rubber asphalt coating is in full contact with the base layer through the rapid shrinkage of the heat-sealing film during hot-melt construction, so that the full-adhesion effect of the hot-melt construction reaches 100% (the conventional asphalt coiled material can only reach about 75% generally).
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of the present invention.
In the figure: the building block comprises a tire base reinforcing layer 1, an environment-friendly modified asphalt layer 2, a high heat-resistant non-cured rubber asphalt layer 3, a thickness gradient area 4, an upper isolation protective layer 5, a construction lap warning line 6, an isolation side film 7 and a lower isolation protective layer 8.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1 the invention will be further described with reference to the accompanying figure 1:
the utility model provides a modified asphalt waterproofing membrane for roofing is repaired, the surface sets up environment-friendly modified asphalt layer (2) and high heat-resisting type non-cured rubber asphalt layer (3) respectively about child base enhancement layer (1), thickness gradual change district (4) set up the left and right sides on environment-friendly modified asphalt layer (2) respectively, on keep apart inoxidizing coating (5) and construction lap warning line (6) and set up the upper surface on environment-friendly modified asphalt layer (2), keep apart inoxidizing coating (8) down and set up the lower surface on high heat-resisting type non-cured rubber asphalt layer (3).
The lower isolation protective layer (8) is a multilayer co-extrusion two-way stretching heat-sealing film, and the upper isolation protective layer (5) adopts a self-weather-resistant mineral particle layer.
Wherein, the preferable technical parameters of the multilayer coextrusion biaxial stretching heat-sealing film are as follows: the number of composite layers is more than or equal to 2, the gram weight is less than or equal to 10 g/square meter, the thickness is 10-12 um, the maximum tensile force is more than or equal to 50N/50mm, and the elongation at maximum tensile force (extensometer method) is more than or equal to 40%.
The thickness of the coiled material in the thickness gradually changing area (4) is gradually and uniformly reduced to about 90% of the thickness from the position 100mm away from the left edge and the right edge to the outer edge respectively.
The high heat-resistant non-cured rubber asphalt layer (3) is composed of heavy-duty asphalt, an asphalt component regulator, SBS thermoplastic rubber, rubber process oil, base oil, a dissolution promotion and odor purification agent, a solid tackifier, a liquid tackifier, petroleum resin, a functional additive, fly ash and the like.
The environment-friendly modified asphalt layer (2) is composed of heavy-traffic asphalt, SBS thermoplastic rubber, rubber powder, base oil, a dissolving and purifying agent, a functional additive, fly ash and the like.
The upper surface of the upper isolation protective layer (5) at the position 100mm away from the edge at the left side and the right side of the coiled material is provided with two construction lap warning lines (6) which are arranged in an on-line marking way by a marking device in the production process.
The prepared environment-friendly modified asphalt and the high heat-resistant non-cured rubber asphalt are respectively pumped to a coating thickness-fixing device of a molding production line, then respectively coating an environment-friendly modified asphalt layer (2) with the thickness of 1.0-1.2 mm and a high heat-resistant non-cured rubber asphalt layer (3) with the thickness of 1.5-2.0 mm on the upper side and the lower side of the long fiber polyester tire base reinforcing layer (1) with the thickness of 200-250 g/square meter, then an upper isolation protective layer (5) filled by a polyethylene film is covered on the outer side (namely the upper surface) of the environment-friendly modified asphalt layer (2), and construction lap warning lines (6) are arranged on the left side and the right side of the environment-friendly modified asphalt layer, the outer side (namely the lower surface) of the high heat-resistant non-cured rubber asphalt layer (3) is covered with a lower isolation protective layer (8) filled by a multi-layer co-extrusion two-way stretching heat-sealing film, and the modified asphalt waterproof coiled material with the thickness of more than 4.0mm for roof repair is prepared by the working procedures of traction compaction, cooling and shaping, marking, conveying, coiling, metering, cutting, packaging and the like.
The invention will be further described with reference to fig. 2:
the utility model discloses a child base enhancement layer (1) upper and lower surface sets up environment-friendly modified asphalt layer (2) and high heat-resisting type non-cured rubber asphalt layer (3) respectively, and thickness gradual change district (4) set up the left and right sides on environment-friendly modified asphalt layer (2) respectively, go up and keep apart inoxidizing coating (5) and isolation boundary film (7) and set up the upper surface at environment-friendly modified asphalt layer (2), keep apart inoxidizing coating (8) down and set up the lower surface at high heat-resisting type non-cured rubber asphalt layer (3).
Foretell lower isolation protection layer (8) are multilayer coextrusion biaxial stretching heat-seal film, foretell upper isolation protection layer (5) adopt from resistant time mineral particle layer, adopt the resistant time mineral particle layer of slice moreover, and its adhesion effect on the modified asphalt layer of environment-friendly is excellent, still has ultraviolet resistant function, and then the product has the excellent service function that exposes under its protection, makes the product be applicable to and exposes people's roofing.
The thickness of the coiled material in the thickness gradually changing area (4) is gradually and uniformly reduced to about 90% of the thickness from the position 100mm away from the left edge and the right edge to the outer edge respectively.
It is further explained that the isolation edge film (7) is arranged on the thickness gradient area (4) of one side edge, and the thickness gradient area (4) of the other side edge and the rest surfaces of the environment-friendly modified asphalt layer (2) are covered with an upper isolation protective layer (5) which is filled with weather-resistant mineral particles.
The preferable technical parameters of the flaky weather-resistant mineral particles are as follows: the fineness is 12-40 meshes, the water content is less than or equal to 0.3 percent, and the ash content is less than or equal to 0.5 percent.
The prepared environment-friendly modified asphalt and the high heat-resistant non-cured rubber asphalt are respectively pumped to a coating thickness-fixing device of a molding production line, then respectively coating an environment-friendly modified asphalt layer (2) with the thickness of 1.0-1.2 mm and a high heat-resistant non-cured rubber asphalt layer (3) with the thickness of 1.5-2.0 mm on the upper side and the lower side of the long fiber polyester tire base reinforcing layer (1) with the thickness of 200-250 g/square meter, then an upper isolation protective layer (5) and an isolation edge film (7) which are filled by weather-resistant mineral particles are covered on the outer side (namely the upper surface) of the environment-friendly modified asphalt layer (2), and the outer side (namely the lower surface) of the high heat-resistant non-cured rubber asphalt layer (3) is covered with a lower isolation protective layer (8) filled by a multi-layer co-extrusion two-way stretching heat-sealing film, and the modified asphalt waterproof coiled material for roof renovation with the thickness of more than 4.0mm is prepared by the working procedures of traction compaction, cooling and shaping, conveying, coiling, metering, cutting, packaging and the like.
The above description is only a few of the preferred embodiments of the present invention, and any person skilled in the art may modify the above-described embodiments or modify them into equivalent ones. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (5)
1. A modified asphalt waterproof coiled material for roof repairing is characterized in that: including child base enhancement layer (1), environment-friendly modified asphalt layer (2), high heat-resistant type non-cured rubber asphalt layer (3), thickness gradual change district (4), go up keep apart inoxidizing coating (5), construction overlap joint warning line (6), isolation boundary film (7), keep apart inoxidizing coating (8) down, the surface sets up environment-friendly modified asphalt layer (2) and high heat-resistant type non-cured rubber asphalt layer (3) respectively about child base enhancement layer (1), and thickness gradual change district (4) set up respectively in the left and right sides of environment-friendly modified asphalt layer (2), goes up and keeps apart inoxidizing coating (5), construction overlap joint warning line (6) and isolation boundary film (7) and sets up the upper surface at environment-friendly modified asphalt layer (2), keeps apart inoxidizing coating (8) down and sets up the lower surface at high heat-resistant type non-cured rubber asphalt layer (3).
2. The modified asphalt waterproofing membrane for roof repair according to claim 1, wherein: the lower isolation protective layer (8) is a multilayer co-extrusion two-way stretching heat-sealing film.
3. The modified asphalt waterproofing membrane for roof repair according to claim 1, wherein: the upper isolation protective layer (5) adopts a self-weather-resistant mineral particle layer or a polyethylene film.
4. The modified asphalt waterproofing membrane for roof repair according to claim 1, wherein: the upper isolation protective layer (5) is provided with a construction lap warning line (6) when a polyethylene film is selected, and the upper isolation protective layer (5) is provided with an isolation side film (7) when weather-resistant mineral particles are used.
5. The modified asphalt waterproofing membrane for roof repair according to claim 1, wherein: the thickness of the coiled material of the thickness gradually-changing area (4) is gradually and uniformly reduced to 90% of the thickness from the position 100mm away from the left edge and the right edge to the outer edge respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147404.4U CN211775161U (en) | 2019-12-04 | 2019-12-04 | Modified asphalt waterproof coiled material for roof repairing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147404.4U CN211775161U (en) | 2019-12-04 | 2019-12-04 | Modified asphalt waterproof coiled material for roof repairing |
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| CN211775161U true CN211775161U (en) | 2020-10-27 |
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| CN201922147404.4U Active CN211775161U (en) | 2019-12-04 | 2019-12-04 | Modified asphalt waterproof coiled material for roof repairing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847512A (en) * | 2019-12-04 | 2020-02-28 | 胜利油田大明新型建筑防水材料有限责任公司 | Modified asphalt waterproof coiled material for roof repairing and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847512A (en) * | 2019-12-04 | 2020-02-28 | 胜利油田大明新型建筑防水材料有限责任公司 | Modified asphalt waterproof coiled material for roof repairing and preparation method thereof |
| CN110847512B (en) * | 2019-12-04 | 2024-01-09 | 胜利油田大明新型建筑防水材料有限责任公司 | Modified asphalt waterproof coiled material for roofing repair and preparation method thereof |
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