Reinforced bite lap double ply base sheet waterproofing membrane

Abstract

The present application relates to waterproofing membrane technical field, propose a kind of reinforced type bite lap double cloth base waterproofing membrane, from top to bottom include cover layer, first asphalt adhesive layer, first cloth base layer, second asphalt adhesive layer, second cloth base layer, third asphalt adhesive layer, isolation layer;Second asphalt adhesive layer one end is equipped with lap opening female port, the upper surface of lap opening female port is equipped with female port upper isolation film, the lower surface of lap opening female port is equipped with female port lower isolation film, the upper surface of first asphalt adhesive layer far from the one end of lap opening female port is equipped with female port isolation film.The reinforced type bite lap double cloth base waterproofing membrane provided in the present application solves the problems of low mechanical properties, high risk of leakage at the lap joint edge, water channeling between layers, low construction efficiency and unstable quality of the existing single base membrane.

Description

Technical Field

[0001] This invention relates to the field of waterproof membrane technology, specifically to a reinforced interlocking double-layer fabric-based waterproof membrane. Background Technology

[0002] Building waterproof membrane is the core material of the engineering waterproof system. The current mainstream waterproof membrane has the following defects: (1) The mechanical properties of single-layer membrane are short: Traditional single-layer waterproof membrane has low tensile strength and poor tear resistance. Under the action of base deformation and temperature stress, it is easy to crack and break, resulting in waterproof failure; (2) High risk of leakage at the overlap: Conventional membrane adopts hot melt / self-adhesive overlap, and the overlap is a single overlap. The joint has weak stress performance, and the bonding surface is easily affected by construction and temperature changes, resulting in hollowing and delamination. The phenomenon forms a seepage channel, which is the main leakage hazard point of the waterproof system; (3) The problem of water seepage between the layers of the membrane is prominent: the existing double-layer waterproof membranes are mostly laid by manual on-site overlapping, which is very easy to cause the asphalt layer to be poorly bonded and loosely bonded. Once the lower layer of waterproof membrane is damaged, water will flow between the two layers of waterproof membranes, expanding the leakage range; (4) Low construction efficiency and unstable quality: the construction process of double-layer membranes is complicated, requiring multiple laying and overlapping, the construction cycle is long, and it depends on the skill level of the workers, making it difficult to uniformly control the overlapping quality.

[0003] Therefore, to address the aforementioned shortcomings, there is a need to provide a reinforced interlocking double-layered waterproof membrane. Summary of the Invention

[0004] To address the above technical problems, this invention provides a reinforced interlocking double-layer waterproof membrane, which solves the problems of low mechanical properties, high risk of leakage at the overlap, water seepage between membrane layers, low construction efficiency, and unstable quality associated with single-layer membranes.

[0005] The specific technical solution of the present invention is as follows: According to one aspect of the present invention, the present invention provides a reinforced interlocking double-layer fabric-based waterproof membrane, which, from top to bottom, comprises a topcoat layer, a first bitumen adhesive layer, a first fabric-based base layer, a second bitumen adhesive layer, a second fabric-based base layer, a third bitumen adhesive layer, and an isolation layer. The second asphalt adhesive layer has an overlapping opening female mouth at one end, an upper female mouth isolation film on the upper surface of the overlapping opening female mouth, a lower female mouth isolation film on the lower surface of the overlapping opening female mouth, and a female mouth isolation film on the upper surface of the first asphalt adhesive layer at the end away from the overlapping opening female mouth. The third asphalt adhesive layer comprises the following raw materials in parts by weight: 40-50 parts asphalt, 3-4 parts styrene-isoprene-styrene block copolymer, 4-5 parts tackifying resin, 4-6 parts naphthenic oil, 0.3-0.5 parts anti-sagging agent, 20-30 parts inorganic filler, and 0.5-1 part antioxidant; the tackifying resin comprises petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.3-2.

[0006] In the above technical solution, the acid value of the hydrogenated rosin pentaerythritol ester is 7~16 mgKOH / g.

[0007] In the above technical solution, the petroleum resin includes one or both of C5 petroleum resin and C9 petroleum resin.

[0008] In the above technical solution, the inorganic filler is obtained by treating an inorganic material with hydrogenated rosin resin; the inorganic material includes one or more of calcium carbonate, talc, and kaolin.

[0009] In the above technical solution, the amount of the added acrylic hydrogenated rosin resin in the raw materials of the inorganic filler is 8% to 10% of the total mass of the inorganic materials.

[0010] In the above technical solution, the anti-sagging agent is organic bentonite.

[0011] In the above technical solution, the first asphalt adhesive layer and the second asphalt adhesive layer each independently include the following raw materials in parts by weight: 40-50 parts asphalt, 3-5 parts modifier, 3-5 parts petroleum resin, 6-8 parts naphthenic oil, 20-25 parts inorganic filler, and 1-2 parts anti-aging agent; the modifier includes one or two of styrene-butadiene-styrene block copolymer and atactic polypropylene.

[0012] In the above technical solution, the anti-aging agent includes one or two of antioxidants and light stabilizers; The antioxidant includes one or more of antioxidant 1010, antioxidant 168, and antioxidant 1076; The light stabilizer includes one or more of the following: UV absorber UV-531, UV absorber UV-9, and UV absorber UV-327.

[0013] In the above technical solution, the upper female port isolation film, the lower female port isolation film, and the female port isolation film are all silicon-coated isolation films; The material of the isolation layer includes one of polymer film, mineral particles, and fiber cloth; The polymer film includes one of PET film, PE film, and PP film; The polymer film includes one of a silicon-coated polymer film and an uncoated polymer film.

[0014] In the above technical solution, the first fabric base layer and the second fabric base layer are each independently made of any one of polyester fiber, glass fiber, basalt fiber, polypropylene fiber, polyamide fiber, and regenerated cellulose fiber, or a blended or composite fabric made of multiple fibers. The material of the covering layer includes one of the following: polymer film covering material, mineral granule covering material, fiber cloth covering material, metal foil covering material, and composite covering material.

[0015] Compared with existing technologies, this invention provides a reinforced interlocking double-layer fabric-based waterproof membrane, which improves the mechanical properties of the double-layer fabric-based composite waterproof membrane. The prefabricated interlocking structure creates multiple bonding surfaces between the male and female joints, changing the planar seepage path of traditional flat-joint overlaps and forming a labyrinthine sealing structure. The seepage pressure resistance (water penetration resistance) of the overlap joint can reach 0.6 MPa / 120 min (tested according to the method specified in GB / T 23457-2017 "Pre-laid Waterproof Membranes"), which is far higher than the seepage resistance level of conventional single-overlap joint membranes. The two layers of fabric base and the three layers of asphalt adhesive are integrally composited with no gaps between the layers, avoiding the problems of weak interlayer bonding and water penetration caused by the phased construction of double-layer membranes. Once the upper layer is partially damaged, water cannot diffuse between the layers, and the leakage point is controllable. On-site, the overlap can be completed simply by peeling off the release membrane and inserting the male end into the female end. There is no need to lay double layers of membrane in multiple stages, which improves construction efficiency by more than 50% compared to traditional membranes. Moreover, the construction quality is not affected by the skill level of the workers. The construction efficiency is significantly improved. By adjusting the type of cover layer, it can be adapted to various waterproofing scenarios such as exposed roofs, basement floors, and tunnel walls, making it suitable for a wide range of applications.

[0016] The third asphalt adhesive layer utilizes a tackifying resin composed of petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.3~2, which improves the peel strength of the waterproof membrane. Petroleum resin, being a hydrocarbon non-polar resin, exhibits good compatibility with the base asphalt and can be uniformly dispersed within the third asphalt adhesive layer, enhancing the cohesion of the modified asphalt system and simultaneously increasing the strength of the adhesive layer itself. This prevents cohesive failure of the adhesive layer during peeling, providing a mechanical basis for interfacial bonding. However, petroleum resin has extremely low polarity and cannot form hydrogen bonds with concrete or cement hydration products; therefore, its use alone is not suitable for inorganic applications. The improvement in interfacial bonding strength is limited; however, hydrogenated rosin pentaerythritol ester contains polar ester groups, which can form hydrogen bonds with hydroxyl groups and silicate hydration products on the surface of concrete and cement mortar, thereby improving the peel strength between the membrane and concrete; however, the compatibility between hydrogenated rosin pentaerythritol ester and petroleum resin is poor, and the improvement in peel strength is limited when used together. Rosin-modified terpene resin molecules have both non-polar hydrocarbon chains and polar groups, which can be well compatible with petroleum resin and hydrogenated rosin pentaerythritol ester respectively, improving the compatibility between the two and synergistically exerting the tackifying effect of the two tackifying resins, thereby improving the peel strength of the waterproof membrane.

[0017] In addition, the inventors discovered that the amount of rosin-modified terpene resin added also affects the improvement of peel strength. When the amount of rosin-modified terpene resin added is too small, the compatibility between petroleum resin and hydrogenated rosin pentaerythritol ester cannot be improved well. When the amount added is too large, the cohesion of the third bitumen adhesive layer decreases, which also leads to a decrease in peel strength. Therefore, when the mass ratio of petroleum resin, hydrogenated rosin pentaerythritol ester and rosin-modified terpene resin is 8:3:0.3~2, the peel strength of the waterproof membrane can be further improved synergistically. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a schematic diagram of the reinforced interlocking double-layer waterproof membrane with fabric base in the embodiments and comparative examples of the present invention; In the diagram: 1-surface layer, 2-first asphalt adhesive layer, 3-first fabric base layer, 4-second asphalt adhesive layer, 5-second fabric base layer, 6-third asphalt adhesive layer, 7-isolation layer, 8-female isolation film, 9-female upper isolation film, 10-female lower isolation film; Figure 2 This is a schematic diagram of the interlocking overlap of the reinforced interlocking double-layer waterproof membrane in the embodiments and comparative examples of the present invention. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this invention more apparent, the invention is described in detail below. It should be understood that the invention is not limited to the description herein.

[0021] Covering layer The overlay layer used in this invention is a known type of overlay layer for waterproof membranes, and this invention is not limited to the overlay layers listed below. As an example, the overlay layer material can be any one of polymer film overlay materials, mineral granule overlay materials, fiber cloth overlay materials, metal foil overlay materials, or composite overlay materials. In this invention, the basic function of the overlay layer is to protect the upper surface of the waterproof membrane from ultraviolet rays, wind and sand, and external abrasion, protect the underlying asphalt layer, and improve weather resistance and service life. Using mineral granule overlay materials can further enhance the aesthetics and aging resistance of the roof; using metal foil overlay materials can reflect ultraviolet rays and delay the aging of the membrane.

[0022] First and Second Fabric Base Layers The first and second fabric-based substrates used in this invention are known in the art for use as substrates in waterproof membranes, and this invention is not limited to the substrates listed below. As an example, the first and second fabric-based substrates can be a single fabric made from any one of polyester fiber, glass fiber, basalt fiber, polypropylene fiber, polyamide fiber, or regenerated cellulose fiber, or a blended or composite fabric made from multiple materials. In this invention, the functions of the first and second fabric-based substrates are: firstly, to reinforce the skeleton, effectively improving the tensile, tear, and puncture resistance of the membrane, and enhancing the overall structural stability; secondly, the dual substrates work together to resist tensile deformation caused by substrate cracking and structural settlement, while simultaneously improving the long-term fatigue aging resistance of the membrane, comprehensively strengthening the overall mechanical properties of the membrane.

[0023] isolation layer The isolation layer used in this invention is a known type of isolation layer for waterproof membranes, and this invention is not limited to the isolation layers listed below. As an example, the isolation layer can be one of a polymer film, mineral particles, or fiber cloth. The substrate of the polymer film includes polyethylene or polypropylene; the polymer film includes one of silicone-coated polymer films and uncoated polymer films. In this invention, the isolation layer serves two purposes: first, to prevent the membrane from sticking together during storage and transportation; and second, to adapt to various construction processes and provide construction assistance. Silicone-coated polymer films are suitable for self-adhesive construction; after removal, the self-adhesive asphalt layer is exposed for rapid bonding. Uncoated polymer films and mineral particle isolation layers are suitable for hot-melt construction; they can be melted and burned off by flame baking to expose the hot-melt asphalt layer. Fiber cloth isolation layers can be used for wet-laying construction.

[0024] Upper and lower sealing membranes of the female mouth and sealing membrane of the female mouth The upper, lower, and lower release films used in this invention are all known in the art for use as interlocking release films in waterproof membranes. As an example, all three are silicone-coated release films. In this invention, the lower release film adapts to the lower opening structure, protects the adhesive layer of the lower opening of the membrane, and is peeled off during construction to achieve interlocking adhesion between the lower and upper openings. The upper and lower release films adapt to the upper opening structure, protect the adhesive layer of the upper opening of the membrane, and are peeled off during construction to achieve interlocking adhesion between the upper and lower openings.

[0025] The present invention provides a reinforced interlocking double-layer fabric-based waterproof membrane, which, from top to bottom, comprises a topcoat layer, a first asphalt adhesive layer, a first fabric-based base layer, a second asphalt adhesive layer, a second fabric-based base layer, a third asphalt adhesive layer, and an isolation layer. The second asphalt adhesive layer has an overlap opening female end, an upper female opening isolation film on the upper surface of the overlap opening female end, a lower female opening isolation film on the lower surface of the overlap opening female end, and a female opening isolation film on the upper surface of the first asphalt adhesive layer at the end away from the overlap opening female end. The third asphalt adhesive layer comprises the following raw materials in parts by weight: 40-50 parts asphalt, 3-4 parts styrene-isoprene-styrene block copolymer, 4-5 parts tackifying resin, 4-6 parts naphthenic oil, 0.3-0.5 parts anti-sagging agent, 20-30 parts inorganic filler, and 0.5-1 part antioxidant; the tackifying resin comprises petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.3-2, preferably 8:3:0.5-1.5.

[0026] In this invention, the acid value of hydrogenated rosin pentaerythritol ester is 7~16 mgKOH / g.

[0027] In this invention, the petroleum resin includes one or both of C5 petroleum resin and C9 petroleum resin.

[0028] In this invention, the inorganic filler is obtained by treating inorganic materials with hydrogenated rosin resin; the inorganic materials include one or more of calcium carbonate, talc, and kaolin.

[0029] In this invention, the inorganic filler obtained by surface modification of inorganic materials with hydrogenated rosin acrylic resin can, on the one hand, improve the dispersibility of inorganic components in the adhesive layer. After uniform dispersion, the inorganic materials can form a rigid support network in the adhesive layer, which can uniformly disperse impact stress when punctured by external force, avoid rapid crack propagation along the filler interface, and significantly improve the puncture resistance of the waterproof membrane. On the other hand, hydrogenated rosin acrylic resin also has a tackifying effect, which can further enhance the cohesion of the asphalt system and improve the puncture resistance.

[0030] In this invention, the amount of hydrogenated rosin resin with acrylic acid added to the inorganic filler raw materials is 8% to 10% of the total mass of the inorganic materials. By limiting the amount of hydrogenated rosin resin with acrylic acid added in this invention, the dispersibility of the inorganic components can be further improved, the cohesion of the system can be increased, and the puncture resistance of the waterproof membrane can be further improved.

[0031] In this invention, the first asphalt adhesive layer and the second asphalt adhesive layer each independently comprise the following raw materials in parts by weight: 40-50 parts asphalt, 3-5 parts modifier, 3-5 parts petroleum resin, 6-8 parts naphthenic oil, 20-25 parts inorganic filler, and 1-2 parts anti-aging agent; the modifier includes one or two of styrene-butadiene-styrene block copolymer and atactic polypropylene.

[0032] In this invention, the anti-aging agent includes one or both of antioxidants and light stabilizers; Antioxidants include one or more of antioxidants 1010, antioxidant 168, and antioxidant 1076; Light stabilizers include one or more of the following: UV absorber UV-531, UV absorber UV-9, and UV absorber UV-327.

[0033] In this invention, the upper female port isolation film, the lower female port isolation film, and the female port isolation film are all silicon-coated isolation films; The material of the isolation layer includes one of the following: polymer film, mineral particles, and fiber cloth; Polymer films include one of PET film, PE film, and PP film; Polymer membranes include either silicone-coated polymer membranes or uncoated polymer membranes.

[0034] In this invention, the first and second fabric base layers are each independently made of a single fabric or a blended or composite fabric made of any one of polyester fiber, glass fiber, basalt fiber, polypropylene fiber, polyamide fiber, or regenerated cellulose fiber.

[0035] To further illustrate the present invention, the following examples will provide a detailed description. The raw materials used in the following examples and comparative examples of the present invention are all commercially available products, including: asphalt: 70# asphalt; styrene-butadiene-styrene block copolymer: model YH-792E; petroleum resin: C5 hydrogenated petroleum resin, model H-130W; calcium carbonate with an average particle size of 800 mesh; anti-sagging agent: organic bentonite with an average particle size of 400 mesh; hydrogenated rosin pentaerythritol ester: model Foral 105, acid value 7~16 mgKOH / g; rosin-modified terpene resin: model 803L Arakawa; atactic polypropylene: model APP-LNX-199; and acrylic hydrogenated rosin resin, model SX8506, manufactured by Hunan Yoshida New Technology Co., Ltd. In the following embodiments and comparative examples, the structure of the reinforced interlocking double-layer fabric-based waterproof membrane is as follows: Figure 1 As shown, from top to bottom, the layers are: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and isolation layer. The second asphalt adhesive layer has an overlap opening female opening at one end, an upper isolation film on the upper surface of the overlap opening female opening, a lower isolation film on the lower surface of the overlap opening female opening, and a female isolation film on the upper surface of the first asphalt adhesive layer at the end away from the overlap opening female opening. During construction, the waterproof membrane of this invention employs a precise interlocking and overlapping method between adjacent membrane rolls. After laying, calibrating, and compacting a single roll, the overlapping section of the next roll (with its upper overlap edge) is aligned with the pre-reserved overlap of the previous roll. The release film at the overlap edge of the roll to be laid, along with the upper and lower release films of the female joint on the opposite side, are removed, fully exposing the asphalt adhesive surface at the overlap, thus achieving a precise interlocking of the membrane rolls. Figure 2 As shown.

[0036] Example 1 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is composed of petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.5; the inorganic filler is calcium carbonate; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 80g / m²) has a thickness of 0.6mm. 2The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2 The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0037] Example 2 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 50 parts of asphalt are heated to 180°C, and then 5 parts of atactic polypropylene, 5 parts of petroleum resin, 8 parts of naphthenic oil, 25 parts of inorganic filler (calcium carbonate), and 2 parts of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 50 parts of asphalt are heated to 180°C, 4 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1.5 hours, then 5 parts of tackifying resin, 6 parts of naphthenic oil, 0.5 parts of anti-sagging agent, 30 parts of inorganic filler, and 1 part of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is composed of petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.3; the inorganic filler is calcium carbonate; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 0.6mm thick, 100g / m²) is then applied. 2The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A 0.3 mm thick overlay layer (non-woven fabric, 100 g / m²) is then applied over the first asphalt layer. 2 A second fabric base layer (fiberglass cloth base, unit area mass 80g / m²) with a thickness of 0.6mm is applied on the second asphalt adhesive layer. 2 The material of the third bitumen adhesive layer is applied to one side of the second fabric base layer to form a third bitumen adhesive layer with a thickness of 1.0 mm. Then, a release film (polypropylene release film) with a thickness of 0.06 mm is covered on one side of the third bitumen adhesive layer to form a release layer. One end of the second bitumen adhesive layer has an overlapping opening, and the upper surface of the overlapping opening has a release film (silicone-coated PP film) with a thickness of 0.06 mm. The lower surface of the overlapping opening has a release film (silicone-coated PP film) with a thickness of 0.06 mm. The upper surface of the first bitumen adhesive layer away from the overlapping opening has a release film (silicone-coated PP film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0038] Example 3 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is composed of petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:1.5; the inorganic filler is calcium carbonate; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 0.6mm thick, 100g / m²) is then applied. 2The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2 The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0039] Example 4 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is composed of petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.3; the inorganic filler is calcium carbonate; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 80g / m²) has a thickness of 0.6mm. 2The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2 The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0040] Example 5 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is composed of petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:2; the inorganic filler is calcium carbonate; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 80g / m²) has a thickness of 0.6mm. 2The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2 The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0041] Example 6 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is composed of petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.5; the inorganic filler is prepared by the following method: after dispersing the hydrogenated rosin acrylic resin in toluene, calcium carbonate is added and mixed at 40°C for 2 hours, and dried to obtain the inorganic filler, wherein the amount of hydrogenated rosin acrylic resin added is 8% of the mass of calcium carbonate, and the mass-volume ratio of calcium carbonate to toluene is 1g:6mL; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 80g / m²) has a thickness of 0.6mm. 2 The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2 The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0042] Example 7 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is composed of petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.5; the inorganic filler is prepared by the following method: after dispersing the hydrogenated rosin acrylic resin in toluene, calcium carbonate is added and mixed at 40°C for 2 hours, and dried to obtain the inorganic filler, wherein the amount of hydrogenated rosin acrylic resin added is 10% of the mass of calcium carbonate, and the mass-volume ratio of calcium carbonate to toluene is 1g:6mL; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 80g / m²) has a thickness of 0.6mm. 2 The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2 The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0043] Example 8 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is composed of petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.5; the inorganic filler is prepared by the following method: after dispersing the hydrogenated rosin acrylic resin in toluene, calcium carbonate is added and mixed at 40°C for 2 hours, and dried to obtain the inorganic filler, wherein the amount of hydrogenated rosin acrylic resin added is 5% of the mass of calcium carbonate, and the mass-volume ratio of calcium carbonate to toluene is 1g:6mL; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 80g / m²) has a thickness of 0.6mm. 2 The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2 The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0044] Example 9 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is composed of petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.5; the inorganic filler is prepared by the following method: after dispersing the hydrogenated rosin acrylic resin in toluene, calcium carbonate is added and mixed at 40°C for 2 hours, and dried to obtain the inorganic filler, wherein the amount of hydrogenated rosin acrylic resin added is 12% of the mass of calcium carbonate, and the mass-volume ratio of calcium carbonate to toluene is 1g:6mL; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 80g / m²) has a thickness of 0.6mm. 2 The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2 The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0045] Example 10 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is composed of petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.5; the inorganic filler is prepared by the following method: silane coupling agent KH-550 is added to water and dispersed, then calcium carbonate is added and mixed at 40°C for 2 hours, dried, to obtain the inorganic filler, wherein the amount of silane coupling agent KH-550 added is 10% of the mass of calcium carbonate, and the mass-volume ratio of calcium carbonate to water is 1g:6mL; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 80g / m²) has a thickness of 0.6mm. 2 The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0046] Comparative Example 1 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is composed of petroleum resin and hydrogenated rosin pentaerythritol ester in a mass ratio of 8:3; the inorganic filler is calcium carbonate; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 80g / m²) has a thickness of 0.6mm. 2 The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0047] Comparative Example 2 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is petroleum resin; and the inorganic filler is calcium carbonate; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 80g / m²) has a thickness of 0.6mm. 2 The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0048] Comparative Example 3 A method for preparing a reinforced interlocking double-layer fabric-based waterproof membrane includes the following steps: The materials for both the first and second asphalt adhesive layers are prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-butadiene-styrene block copolymer are added and stirred to swell for 1.5 hours, and then 3 parts of petroleum resin, 6 parts of naphthenic oil, 20 parts of inorganic filler (calcium carbonate), and 1 part of anti-aging agent (composed of antioxidant 1010 and ultraviolet absorber UV-531 in a mass ratio of 1:1) are added in sequence. After stirring evenly, the mixture is kept at 170°C for later use. The material for the third asphalt adhesive layer is prepared by the following method: 40 parts of asphalt are heated to 180°C, 3 parts of styrene-isoprene-styrene block copolymer are added and stirred to swell for 1 hour, then 4 parts of tackifying resin, 4 parts of naphthenic oil, 0.3 parts of anti-sagging agent, 20 parts of inorganic filler, and 0.5 parts of antioxidant 1010 are added sequentially, stirred evenly, and kept at 170°C for later use; wherein the tackifying resin is hydrogenated rosin pentaerythritol ester; and the inorganic filler is calcium carbonate; The layers are arranged in the following order from top to bottom: surface layer, first asphalt adhesive layer, first fabric base layer, second asphalt adhesive layer, second fabric base layer, third asphalt adhesive layer, and release layer; the first fabric base layer (polyester fabric base layer, 80g / m²) has a thickness of 0.6mm. 2 The materials used to coat both sides of the first asphalt adhesive layer and the second asphalt adhesive layer are coated to form a first asphalt adhesive layer with a thickness of 1.0 mm and a second asphalt adhesive layer with a thickness of 1 mm. A surface layer (made of mineral particles) with a thickness of 0.3 mm is then applied to the first asphalt layer. A second fabric base layer (polyester fabric base layer, 100 g / m²) with a thickness of 0.6 mm is then applied to the second asphalt adhesive layer. 2The material of the third asphalt adhesive layer is applied to one side of the second fabric base layer to form a third asphalt adhesive layer with a thickness of 1.0 mm. Then, a release film (polyethylene release film) with a thickness of 0.06 mm is covered on one side of the third asphalt adhesive layer to form a release layer. One end of the second asphalt adhesive layer is provided with an overlapping opening, and the upper surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The lower surface of the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. The upper surface of the first asphalt adhesive layer away from the overlapping opening is provided with a release film (silicone-coated PE film) with a thickness of 0.06 mm. Finally, after lamination, a reinforced interlocking double fabric base waterproof membrane is obtained.

[0049] Performance testing 1. Peel strength: The peel strength between the sample and the post-poured concrete was tested according to the test method specified in GB / T 23457-2017 "Pre-laid waterproof membrane" (without treatment). 2. Puncture resistance: The test specimens were tested according to the test method specified in 6.11 of GB / T 23457-2017 "Pre-laid waterproof membranes". The puncture resistance of the specimens was tested, and the average value of 5 specimens was taken as the final test result. The test results are shown in Tables 1 and 2. Table 1. Test results of peel strength in Examples 1-5 and Comparative Examples 1-3

[0050] As shown in Table 1, the peel strength of Examples 1-5 is higher than that of Comparative Examples 1-3, indicating that the tackifying resin of the present invention, which is composed of petroleum resin, hydrogenated rosin pentaerythritol ester and rosin-modified terpene resin in a mass ratio of 8:3:0.3-2, can improve the peel strength of waterproof membrane.

[0051] Table 2. Puncture resistance test results of Examples 1 and 6-10

[0052] As shown in Table 2, the puncture resistance of the waterproof membranes in Examples 6-9 is higher than that in Examples 1 and 10, indicating that the inorganic filler prepared by treating with hydrogenated rosin resin can improve the puncture resistance of the waterproof membrane.

[0053] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A reinforced interlocking double-layer fabric-backed waterproof membrane, characterized in that, From top to bottom, it includes a surface layer, a first asphalt adhesive layer, a first fabric base layer, a second asphalt adhesive layer, a second fabric base layer, a third asphalt adhesive layer, and a release layer; The second asphalt adhesive layer has an overlapping opening female mouth at one end, an upper female mouth isolation film on the upper surface of the overlapping opening female mouth, a lower female mouth isolation film on the lower surface of the overlapping opening female mouth, and a female mouth isolation film on the upper surface of the first asphalt adhesive layer at the end away from the overlapping opening female mouth. The third asphalt adhesive layer comprises the following raw materials in parts by weight: 40-50 parts asphalt, 3-4 parts styrene-isoprene-styrene block copolymer, 4-5 parts tackifying resin, 4-6 parts naphthenic oil, 0.3-0.5 parts anti-sagging agent, 20-30 parts inorganic filler, and 0.5-1 part antioxidant; the tackifying resin comprises petroleum resin, hydrogenated rosin pentaerythritol ester, and rosin-modified terpene resin in a mass ratio of 8:3:0.3-2.

2. The reinforced interlocking double-layered waterproof membrane according to claim 1, characterized in that, The acid value of the hydrogenated rosin pentaerythritol ester is 7~16 mgKOH / g.

3. The reinforced interlocking double-layered waterproof membrane according to claim 1, characterized in that, The petroleum resin includes one or both of C5 petroleum resin and C9 petroleum resin.

4. The reinforced interlocking double-layered waterproof membrane according to claim 1, characterized in that, The inorganic filler is obtained by treating inorganic materials with hydrogenated rosin resin; the inorganic materials include one or more of calcium carbonate, talc, and kaolin.

5. The reinforced interlocking double-layered waterproof membrane according to claim 4, characterized in that, In the raw materials of the inorganic filler, the amount of the added acrylic hydrogenated rosin resin is 8% to 10% of the total mass of the inorganic materials.

6. The reinforced interlocking double-layered waterproof membrane according to claim 1, characterized in that, The anti-sagging agent is organic bentonite.

7. The reinforced interlocking double-layered waterproof membrane according to claim 1, characterized in that, The first asphalt adhesive layer and the second asphalt adhesive layer each independently comprise the following raw materials in parts by weight: 40-50 parts asphalt, 3-5 parts modifier, 3-5 parts petroleum resin, 6-8 parts naphthenic oil, 20-25 parts inorganic filler, and 1-2 parts anti-aging agent; the modifier includes one or two of styrene-butadiene-styrene block copolymer and atactic polypropylene.

8. The reinforced interlocking double-layered waterproof membrane according to claim 7, characterized in that, The anti-aging agent includes one or two of antioxidants and light stabilizers; The antioxidant includes one or more of antioxidant 1010, antioxidant 168, and antioxidant 1076; The light stabilizer includes one or more of the following: UV absorber UV-531, UV absorber UV-9, and UV absorber UV-327.

9. A reinforced interlocking double-layered waterproof membrane according to claim 1, characterized in that, The upper female port isolation film, the lower female port isolation film, and the female port isolation film are all silicone-coated isolation films. The material of the isolation layer includes one of polymer film, mineral particles, and fiber cloth; The polymer film includes one of PET film, PE film, and PP film; The polymer film includes one of a silicon-coated polymer film and an uncoated polymer film.

10. A reinforced interlocking double-layer fabric-backed waterproof membrane according to claim 1, characterized in that, The first and second fabric base layers are each independently made of any one of polyester fiber, glass fiber, basalt fiber, polypropylene fiber, polyamide fiber, and regenerated cellulose fiber, or a blended or composite fabric made of multiple fibers. The material of the covering layer includes one of the following: polymer film covering material, mineral granule covering material, fiber cloth covering material, metal foil covering material, and composite covering material.

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