CN218757631U - Composite enhanced modified asphalt pre-laid waterproof coiled material - Google Patents

Composite enhanced modified asphalt pre-laid waterproof coiled material Download PDF

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CN218757631U
CN218757631U CN202222850766.1U CN202222850766U CN218757631U CN 218757631 U CN218757631 U CN 218757631U CN 202222850766 U CN202222850766 U CN 202222850766U CN 218757631 U CN218757631 U CN 218757631U
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modified asphalt
layer
film
sticking
square meter
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张广彬
任军辉
庞林林
李洪星
陈丽
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Shengli Oil Field Dynamic New Type Waterproof Building Materials Co ltd
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Shengli Oil Field Dynamic New Type Waterproof Building Materials Co ltd
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Abstract

The utility model relates to a modified asphalt of compound enhancement mode is spread waterproofing membrane in advance, its technical scheme is: the polymer film base reinforcing layer and the fiber base reinforcing layer are arranged in the modified asphalt layer, the weather-resistant mineral particle functional layer and the upper anti-sticking edge film are adjacently arranged on the upper surface of the modified asphalt layer, and the lower anti-sticking edge film and the removable anti-sticking film are positioned on the lower surface of the modified asphalt layer; the upper anti-sticking edge film and the lower anti-sticking edge film are respectively positioned at the edge parts of two sides of the width direction of the upper surface and the lower surface of the modified asphalt layer. The beneficial effects are as follows: the utility model discloses a design of double-tire body enhancement layer design structure makes its application properties such as anti puncture intensity and imperviousness obtain showing and promotes, can effectively satisfy requirements such as the impact puncture of reinforcing bar etc. in the construction, has solved the technical defect of internal current modified asphalt class and polymer class pre-spread coiled material simultaneously, has the price/performance ratio advantage that is showing, convenient to use, do benefit to and improve efficiency of construction and construction quality reliability.

Description

Composite enhanced modified asphalt pre-laid waterproof coiled material
Technical Field
The utility model relates to a building is waterproof with spreading waterproofing membrane in advance, in particular to modified asphalt of compound enhancement mode spreads waterproofing membrane in advance.
Background
The waterproof quality problem of a bottom plate and a side wall without a construction space in underground waterproof engineering is one of the difficult problems puzzling the industry for decades, the main reason is water channeling and leakage, the traditional waterproof material adopts outer prevention and inner paste for water prevention, and a waterproof coiled material is only pasted with a base layer instead of being pasted with structural concrete. Once the coil is damaged, groundwater can flow between the waterproof layer and the structural concrete and enter the interior of the building along the concrete crack. The secondary cause is the sedimentation effect. When traditional waterproof material and basic unit bond, in case take place the ground settlement, the basic unit also yielding subsides, and the waterproof layer distorts along with it and is out of gear and easily breaks away from with bonding basic unit, and in case the damage of waterproof layer makes the bottom plate expose in groundwater. Therefore, it becomes a challenge how to provide direct full-bonding waterproof protection for the structural concrete at the side wall part without the construction space of the bottom plate and the side wall.
The effective way for solving the problems is to adopt a pre-paved waterproof coiled material system and a construction technology to realize that full adhesion is formed between the structural concrete and the side wall part without the construction space of the bottom plate and the side wall. Therefore, the pre-paved waterproof coiled material system and the construction technology are deeply favored by building construction units and are rapidly developed in China in recent years. However, the self-adhesive adopted by the waterproof coiled material in China still takes the modified asphalt as a main material, and the surface of the self-adhesive is provided with an anti-adhesive isolating film, so that the technical defects that a cement mortar protective layer needs to be arranged in the pre-paving construction process are caused, and the construction efficiency is low and the potential engineering risk is caused. Some published documents in recent years report solutions, such as:
in document 1, the chinese patent number 201420307428.6 applied by this company is "a polymer pre-laid waterproof roll", and the technical scheme thereof is as follows: the upper surface of the modified polyethylene plastic waterproof main body layer is an SIS hot-melt pressure-sensitive self-adhesive layer, and a weather-resistant mineral particle functional layer with cement reaction activity and a heat-reflection type anti-sticking isolation side film positioned on one side edge part of the coiled material are covered on the upper surface of the SIS hot-melt pressure-sensitive self-adhesive layer; the beneficial effects are that: the heat-reflection type anti-sticking isolation edge film can obviously reduce the surface temperature of the SIS hot-melt pressure-sensitive self-adhesive layer at the lapping edge part of the high-molecular pre-paved waterproof coiled material exposed to the sun outdoors, so that the thermal creep property of the SIS hot-melt pressure-sensitive self-adhesive is reduced, and the removal of the anti-sticking isolation edge film in the construction process is facilitated; the setting of the weather-resistant mineral particle functional layer enables the coiled material to have the concrete mortar bonding construction characteristic, effectively prevents the problem of ultraviolet ray aging caused by long-term exposure of self-adhesive glue in the air, and provides a non-sticky pedestrian surface for construction operation, thereby avoiding the setting of a cement mortar protective layer and reducing the construction cost.
Document 2, chinese patent No. 201922148760.8 applied by the present company, which is named as "a modified asphalt pre-laid waterproof roll", and the technical scheme is as follows: the tire base enhancement layer is arranged in the modified asphalt pressure-sensitive self-adhesive layer, the anti-sticking isolation film is arranged on the lower surface of the modified asphalt pressure-sensitive self-adhesive layer, the intermittent tear seams are arranged on the left side and the right side of the anti-sticking isolation film, the weather-resistant mineral particle functional layer and the anti-sticking isolation edge film are adjacently arranged on the upper surface of the modified asphalt pressure-sensitive self-adhesive layer, and the anti-sticking isolation edge film is arranged on one side edge of the upper surface of the modified asphalt pressure-sensitive self-adhesive layer. The utility model discloses both solved the technical defect that needs to set up the protective layer when internal current modified asphalt class is spread coiled material in advance and is constructed, still solved polymer class and spread coiled material in advance simultaneously and easily warp in overlap edge department and throw off and polymer class is spread coiled material in advance and still need use the sticky tape at the back temporarily fixed technical defect in the construction of heterotypic position such as negative and positive angle, and the used raw materials of production range of drawing materials is wide, convenient easy, makes manufacturing cost reduce by a wide margin, convenient to use, does benefit to and improves the construction.
The technical scheme disclosed in the above-mentioned publication 1 is to use a polymer self-adhesive to replace a modified asphalt self-adhesive, and basically solves the technical defects of poor aging resistance and the need of setting a cement mortar protective layer in the pre-paving construction process of the domestic existing products. However, the method still has fatal technical defects, namely, after the construction of the polyethylene plastic waterproof main body layer is finished, the lap joint part of the coiled material is easy to deform and tilt or even separate under the dual actions of swelling of the SIS hot melt pressure-sensitive self-adhesive and internal stress of the polyethylene plastic waterproof main body layer after the construction of the polyethylene plastic waterproof main body layer is exposed to the sun, and the engineering quality is seriously influenced; meanwhile, the production cost is high, the current market demand situation is difficult to adapt, and the popularization and the application of the product are influenced.
The technical scheme disclosed in the document 2 also solves the technical defect that a cement mortar protective layer needs to be arranged in the construction process of the modified asphalt pre-paved waterproof roll by arranging the weather-resistant mineral particle functional layer, but still has the fatal defects of low puncture resistance strength, poor impermeability and the like of the roll, and the popularization and the application of the modified asphalt pre-paved waterproof roll are also restricted.
Disclosure of Invention
The utility model discloses an aim at is exactly to the above-mentioned defect that prior art exists, provides a compound enhancement mode modified asphalt is waterproofing membrane of spreading in advance, has both solved the technical defect such as the low and imperviousness of puncture-resistant intensity of current modified asphalt class product, solves the cost problem of plastics class product again, satisfies the technical requirement of national standard GB/T23457-2017 waterproofing membrane of spreading in advance simultaneously.
The utility model provides a compound enhancement mode modified asphalt is waterproofing membrane of spreading in advance, its technical scheme is: the modified asphalt base building material comprises a polymer film base reinforcing layer (1), a fiber base reinforcing layer (2), a modified asphalt layer (3), a weather-resistant mineral particle functional layer (4), an upper anti-sticking edge film (5), a lower anti-sticking edge film (6) and a removable anti-sticking film (7), wherein the polymer film base reinforcing layer (1) and the fiber base reinforcing layer (2) are both arranged in the modified asphalt layer (3), the weather-resistant mineral particle functional layer (4) and the upper anti-sticking edge film (5) are adjacently arranged on the upper surface of the modified asphalt layer (3), and the lower anti-sticking edge film (6) and the removable anti-sticking film (7) are positioned on the lower surface of the modified asphalt layer (3); the upper anti-sticking edge film (5) and the lower anti-sticking edge film (6) are respectively positioned at the edge parts of the two sides of the width direction of the upper surface and the lower surface of the modified asphalt layer (3).
Preferably, the polymer film-based reinforcing layer (1) is made of BOPET or BOPP film, and the unit mass is 70-140 g per square meter; the fiber base reinforcing layer (2) adopts a spun-bonded needle punching method long-fiber polyester base, and the unit mass is 200-260 g per square meter; the upper anti-sticking edge film (5) and the lower anti-sticking edge film (6) are made of BOPP films or removable CPP composite isolating films, the unit mass of the BOPP films is 8-10 g/square meter, and the unit mass of the removable CPP composite isolating films is 30-40 g/square meter; the removable anti-sticking film (7) is a removable CPP composite isolating film with unit mass of 30-40 g/square meter.
Preferably, the weather-resistant mineral particle functional layer (4) is a black basalt natural mineral particle layer subjected to surface treatment.
Preferably, the particle size range of the natural mineral particles of the black basalt is 16-40 meshes of continuous gradation.
The utility model provides a modified asphalt of another kind of compound enhancement mode is spread waterproofing membrane in advance, its technical scheme is: the modified asphalt base building material comprises a polymer film base reinforcing layer (1), a fiber base reinforcing layer (2), a modified asphalt layer (3), a weather-resistant mineral particle functional layer (4), an upper anti-sticking edge film (5) and a permanent anti-sticking film (8), wherein the polymer film base reinforcing layer (1) and the fiber base reinforcing layer (2) are both arranged in the modified asphalt layer (3), the weather-resistant mineral particle functional layer (4) and the upper anti-sticking edge film (5) are adjacently arranged on the upper surface of the modified asphalt layer (3), and the permanent anti-sticking film (8) is positioned on the lower surface of the modified asphalt layer (3); the upper anti-sticking edge film (5) is positioned at one side edge part of the width direction of the upper surface of the modified asphalt layer (3).
Preferably, the polymer film-based reinforcing layer (1) is made of BOPET or BOPP film, and the unit mass is 70-140 g per square meter; the fiber base reinforcing layer (2) adopts a spun-bonded needle punching method long-fiber polyester base, and the unit mass is 200-260 g per square meter; the upper anti-sticking edge film (5) and the permanent anti-sticking film (8) are formed by BOPP films or PE films, the unit mass of the BOPP films is 8-10 g/square meter, and the unit mass of the PE films is 10-15 g/square meter.
Preferably, the weather-resistant mineral particle functional layer (4) is a black basalt natural mineral particle layer subjected to surface treatment.
Preferably, the particle size range of the natural mineral particles of the black basalt is 16-40 meshes of continuous gradation.
The utility model has the advantages that: the utility model adopts the design of the double-carcass reinforcement layer, so that the puncture resistance strength of the product is low, the watertightness is obviously improved, and the requirements of impact puncture and the like of reinforcing steel bars and the like in construction can be effectively met; the upper surface of the product adopts a protective layer-free design of a weather-resistant mineral particle functional layer, so that the product has a pre-paving and anti-sticking construction function; the design that the lower surface is covered with the release film which can be removed according to the needs, so that the release film has the function of temporarily fixing the base layer (the function can be realized by hot melting when the lower surface is covered with the permanent release film); the structural design that the enhancement layer is arranged in the modified asphalt layer enables the enhancement layer to have the function of hot-melting repair after construction damage. Therefore, the technical defects that a protective layer is required to be arranged when the traditional modified asphalt pre-laid coiled material is constructed in China are overcome, and the technical defects that the high polymer pre-laid coiled material is easy to warp and release at the overlapping edge and the high polymer pre-laid coiled material is also required to be temporarily fixed at the back by using an adhesive tape when the high polymer pre-laid coiled material is constructed at the abnormal positions such as the internal corner and the external corner are overcome.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of embodiment 1 of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of embodiment 2 of the present invention;
in the figure: the high-performance anti-sticking fabric comprises a polymer film base reinforced layer 1, a fiber base reinforced layer 2, a modified asphalt layer 3, a weather-resistant mineral particle functional layer 4, an upper anti-sticking edge film 5, a lower anti-sticking edge film 6, a removable anti-sticking film 7 and a permanent anti-sticking film 8.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings of fig. 1 and 2, and it should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present invention and are not intended to limit the present invention.
Example 1:
referring to fig. 1, the present embodiment provides a composite reinforced modified asphalt pre-paved waterproofing membrane, the utility model includes a polymer film base reinforced layer 1 and a fiber base reinforced layer 2, which are all disposed in a modified asphalt layer 3. The weather-resistant mineral particle functional layer 4 and the upper anti-sticking edge film 5 are adjacently arranged on the upper surface of the modified asphalt layer 3. The lower anti-sticking edge film 6 and the removable anti-sticking film 7 are located on the lower surface of the modified asphalt layer 3. Wherein the upper anti-sticking edge film 5 and the lower anti-sticking edge film 6 are respectively positioned at the edge parts of two sides of the width direction of the upper surface and the lower surface of the modified asphalt layer 3.
Wherein, the polymer film base reinforced layer 1 adopts BOPET with the width of 980-1000 mm and the unit gram weight of 105 g per square meter; the fiber base reinforcing layer 2 adopts a long fiber polyester base with the width of 1000-1020 mm and the unit gram weight of 250g per square meter by using a spun-bonded needling method; the modified asphalt layer 3 adopts a modified asphalt pressure-sensitive self-adhesive with the thickness of 3.0 mm; the weather-resistant mineral particle functional layer 4 is composed of continuous graded natural black basalt mineral particles subjected to surface treatment of 16-40 mesh methyl potassium silicate; the upper anti-sticking edge film 5 and the lower anti-sticking edge film 6 are BOPP films with the width of 100-120 mm and the unit gram weight of 10g per square meter; the removable anti-sticking film 7 is a removable CPP composite isolating film with the width of 1040-1060 mm and the unit gram weight of 35 g/square meter.
The main performance data of the pre-laid waterproof roll are detected according to the standard GB/T23457-2017 and are shown in the table 1.
Example 2:
referring to fig. 2, this embodiment provides a compound enhancement mode modified asphalt pre-paved waterproofing membrane, the utility model discloses a modified asphalt layer 3 is all arranged in to polymer membrane base enhancement layer 1 and fibre child base enhancement layer 2. The functional layer 4 of the weather-resistant mineral particles and the upper anti-sticking edge film 5 are adjacently arranged on the upper surface of the modified asphalt layer 3, and the upper anti-sticking edge film 5 is positioned on one side edge part of the upper surface of the modified asphalt layer 3 in the width direction. The permanent anti-sticking film 8 is arranged on the lower surface of the modified asphalt layer 3.
Wherein the polymer film-based reinforcing layer 1 adopts BOPET with the width of 980-1000 mm and the unit gram weight of 105 g/square meter; the fiber base reinforcing layer 2 adopts a long fiber polyester base with the width of 1000-1020 mm and the unit gram weight of 250g per square meter by using a spun-bonded needling method; the modified asphalt layer 3 is a modified asphalt pressure-sensitive self-adhesive with the thickness of 3.0 mm; the weather-resistant mineral particle functional layer 4 is composed of continuous graded natural black basalt mineral particles subjected to surface treatment of 16-40 mesh methyl potassium silicate; the upper anti-sticking edge film 5 is a BOPP film with the width of 100-120 mm and the unit gram weight of 8g per square meter; the permanent anti-sticking film 8 is a BOPP film with the width of 1040-1060 mm and the unit gram weight of 8 g/square meter.
The main performance data of the pre-laid waterproof roll are detected according to the standard GB/T23457-2017 and are shown in the table 1.
Example 3:
referring to fig. 1, the structure of the composite reinforced modified asphalt pre-paved waterproof roll provided by the embodiment is the same as that of the embodiment 1, but the difference from the embodiment 1 is that the upper anti-sticking edge film 5 is a removable CPP composite isolating film with the width of 100-120 mm and the unit gram weight of 30 g/square meter; the lower anti-sticking edge film 6 is eliminated; the removable anti-sticking film 7 is a removable CPP composite isolating film with the width of 1040-1060 mm and the unit gram weight of 30g per square meter.
The main performance data of the waterproof roll material is detected according to the standard of GB/T23457-2017 Pre-paved waterproof roll material and is shown in the table 1.
Example 4:
referring to fig. 1, the difference between the composite reinforced modified asphalt pre-laid waterproof roll material provided in this embodiment and embodiment 3 is that the polymer film-based reinforcing layer 1 is made of BOPET having a width of 980 to 1000mm and a unit gram weight of 70 g/square meter; the fiber base reinforcing layer 2 adopts a long fiber polyester base with the width of 1000-1020 mm and the unit gram weight of 260g per square meter by using a spun-bonded needling method; the modified asphalt layer 3 is a modified asphalt pressure-sensitive self-adhesive with the thickness of 3.5 mm; the upper anti-sticking edge film 5 is a removable CPP composite isolating film with the width of 100-120 mm and the unit gram weight of 40g per square meter; the removable anti-sticking film 7 is a removable CPP composite isolating film with the width of 1040-1060 mm and the unit gram weight of 40 g/square meter.
The main performance data of the pre-laid waterproof roll are detected according to the standard GB/T23457-2017 and are shown in the table 1.
Example 5:
referring to fig. 2, the structure of the composite reinforced modified asphalt pre-laid waterproof roll provided in this embodiment is the same as that in embodiment 2, but the difference from embodiment 2 is that the polymer film-based reinforcing layer 1 is made of BOPET having a width of 980 to 1000mm and a unit gram weight of 140 g/square meter; the fiber base reinforcing layer 2 adopts a long fiber polyester base with the width of 1000-1020 mm and the unit gram weight of 200g per square meter by using a spun-bonded needling method; the modified asphalt layer 3 adopts modified asphalt cement with the thickness of 4.0 mm; the upper anti-sticking edge film 5 is a BOPP film with the width of 100-120 mm and the unit gram weight of 10g per square meter; the permanent anti-sticking film 8 is a BOPP film with the width of 1040-1060 mm and the unit gram weight of 10 g/square meter.
The main performance data of the pre-laid waterproof roll are detected according to the standard GB/T23457-2017 and are shown in the table 1.
Example 6:
referring to fig. 2, the difference between the composite reinforced modified asphalt pre-laid waterproof roll material provided in this embodiment and embodiment 5 is that the polymer film-based reinforcing layer 1 is a BOPET having a width of 980 to 1000mm and a unit gram weight of 105 g/square meter; the fiber base reinforcing layer 2 adopts a long fiber polyester base with the width of 1000-1020 mm and the unit gram weight of 250g per square meter by using a spun-bonded needling method; the modified asphalt layer 3 adopts modified asphalt mastic with the thickness of 3.0 mm; the upper anti-sticking edge film 5 is a BOPP film with the width of 100-120 mm and the unit gram weight of 8g per square meter; the permanent anti-sticking film 8 is a PE film with the width of 1060-1080 mm and the unit gram weight of 10 g/square meter.
The main performance data of the pre-laid waterproof roll are detected according to the standard GB/T23457-2017 and are shown in the table 1.
TABLE 1 Main Performance index of the examples
Figure SMS_1
It can be seen from the above result, through the utility model discloses a structure and constitution design make the product have excellent physical properties, and product key feature all surpasss its execution standard "GB/T23457-2017 pre-paved waterproofing membrane" PY class product performance index requirement. The technical defects that a protective layer is required to be arranged when the traditional modified asphalt pre-laid coiled material is constructed in China are overcome, the technical defects that the high-molecular pre-laid coiled material is easy to warp and release at the overlapping edge and the high-molecular pre-laid coiled material is constructed at abnormal positions such as internal and external corners and the like and is temporarily fixed on the back surface by using an adhesive tape are overcome, the raw materials used for production are commercial industrial products, the material taking range is wide, the materials are convenient and easy to obtain, the production cost is greatly reduced, the higher-molecular pre-laid coiled material has a remarkable cost advantage, the use is convenient, and the construction efficiency and the construction quality reliability are improved; but also is beneficial to saving materials and reducing carbon, and has remarkable economic and social benefits.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modification or equivalent transformation performed according to the technical solution of the present invention all belong to the protection scope of the present invention.

Claims (8)

1. The utility model provides a compound enhancement mode modified asphalt is waterproofing membrane of spreading in advance which characterized by: the modified asphalt base building material comprises a polymer film base reinforcing layer (1), a fiber base reinforcing layer (2), a modified asphalt layer (3), a weather-resistant mineral particle functional layer (4), an upper anti-sticking edge film (5), a lower anti-sticking edge film (6) and a removable anti-sticking film (7), wherein the polymer film base reinforcing layer (1) and the fiber base reinforcing layer (2) are both arranged in the modified asphalt layer (3), the weather-resistant mineral particle functional layer (4) and the upper anti-sticking edge film (5) are adjacently arranged on the upper surface of the modified asphalt layer (3), and the lower anti-sticking edge film (6) and the removable anti-sticking film (7) are positioned on the lower surface of the modified asphalt layer (3); the upper anti-sticking edge film (5) and the lower anti-sticking edge film (6) are respectively positioned at the edge parts of two sides of the width direction of the upper surface and the lower surface of the modified asphalt layer (3).
2. The composite enhanced modified asphalt pre-paved waterproof roll as claimed in claim 1, which is characterized in that: the polymer film-based reinforcing layer (1) is formed by BOPET or BOPP film, and the unit mass is 70-140 g per square meter; the fiber base reinforcing layer (2) adopts a spun-bonded needle punching method long-fiber polyester base, and the unit mass is 200-260 g per square meter; the upper anti-sticking edge film (5) and the lower anti-sticking edge film (6) are made of BOPP films or removable CPP composite isolation films, the unit mass of the BOPP films is 8-10 g per square meter, and the unit mass of the removable CPP composite isolation films is 30-40 g per square meter; the removable anti-sticking film (7) is a removable CPP composite isolating film with unit mass of 30-40 g/square meter.
3. The composite reinforced modified asphalt pre-paved waterproof roll as claimed in claim 1, which is characterized in that: the weather-resistant mineral particle functional layer (4) adopts a black basalt natural mineral particle layer subjected to surface treatment.
4. The composite reinforced modified asphalt pre-paved waterproof roll as claimed in claim 3, which is characterized in that: the diameter range of the natural mineral particles of the black basalt is 16-40 meshes of continuous gradation.
5. The utility model provides a compound enhancement mode modified asphalt is waterproofing membrane of spreading in advance which characterized by: the modified asphalt base building material comprises a polymer film base reinforcing layer (1), a fiber base reinforcing layer (2), a modified asphalt layer (3), a weather-resistant mineral particle functional layer (4), an upper anti-sticking edge film (5) and a permanent anti-sticking film (8), wherein the polymer film base reinforcing layer (1) and the fiber base reinforcing layer (2) are both arranged in the modified asphalt layer (3), the weather-resistant mineral particle functional layer (4) and the upper anti-sticking edge film (5) are adjacently arranged on the upper surface of the modified asphalt layer (3), and the permanent anti-sticking film (8) is positioned on the lower surface of the modified asphalt layer (3); the upper anti-sticking edge film (5) is positioned at one side edge part of the width direction of the upper surface of the modified asphalt layer (3).
6. The composite reinforced modified asphalt pre-paved waterproof roll as claimed in claim 5, which is characterized in that: the polymer film-based reinforcing layer (1) is formed by BOPET or BOPP film, and the unit mass is 70-140 g per square meter; the fiber base reinforcing layer (2) adopts a spun-bonded needle punching method long-fiber polyester base, and the unit mass is 200-260 g per square meter; the upper anti-sticking edge film (5) and the permanent anti-sticking film (8) are formed by BOPP films or PE films, the unit mass of the BOPP films is 8-10 g/square meter, and the unit mass of the PE films is 10-15 g/square meter.
7. The composite reinforced modified asphalt pre-paved waterproof roll as claimed in claim 5, which is characterized in that: the weather-resistant mineral particle functional layer (4) adopts a black basalt natural mineral particle layer subjected to surface treatment.
8. The composite reinforced modified asphalt pre-paved waterproof roll as claimed in claim 7, which is characterized in that: the grain size range of the black basalt natural mineral particles is 16-40 meshes of continuous gradation.
CN202222850766.1U 2022-10-28 2022-10-28 Composite enhanced modified asphalt pre-laid waterproof coiled material Active CN218757631U (en)

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