210 results about "Bituminous waterproofing" patented technology

The application relates to the technical field of waterproof coiled materials, in particular to a preparation method of an anti-aging modified asphalt waterproof coiled material, which comprises a polyethylene film, a base layer and a modified asphalt base body, wherein the modified asphalt base body comprises the following raw materials in parts by weight: 45-60 parts of asphalt, 10-15 parts of SBS elastomer, 8-12 parts of a softening agent, 3-5 parts of a waterproof functional agent, 4-6 parts of an anti-aging agent, 5-9 parts of SBR, 5-10 parts of a composite filler and 0.03-0.05 parts of an initiator; the anti-aging modified asphalt waterproof coiled material prepared by the method has excellent waterproof performance, heat aging resistance and ultraviolet aging resistance, and the anti-aging modified asphalt waterproof coiled material also has a complex network structure, which endows the base body with excellent mechanical properties.

The invention provides self-adhesive modified asphalt, a self-adhesive modified asphalt waterproof coiled material and a preparation method of the self-adhesive modified asphalt waterproof coiled material, and belongs to the technical field of asphalt and waterproof coiled materials. The self-adhesive modified asphalt is prepared from the following components in percentage by weight: 3 to 30 weight percent of matrix asphalt, 20 to 30 weight percent of aromatic hydrocarbon oil, 3 to 5 weight percent of thermoplastic elastomer, 5 to 8 weight percent of rubber modifier, 5 to 10 weight percent of tackifying resin, 3 to 8 weight percent of dioctyl sodium sulfosuccinate, 1 to 3 weight percent of polyaluminum ferric chloride, 1 to 3 weight percent of ferroferric oxide and 0.5 to 1 weight percent of limestone powder, and 10 to 30 wt% of an inorganic filler.

The invention relates to the technical field of asphalt pavement preventability, in particular to a water-based epoxy emulsified asphalt high-skid-resistance thin layer structure and a construction method thereof, and the structure sequentially comprises a water-based epoxy emulsified asphalt waterproof bonding layer and a water-based epoxy emulsified asphalt high-skid-resistance thin layer from bottom to top. And the waterproof bonding layer is formed by mixing emulsified asphalt and water-borne epoxy resin, demulsifying and curing. The high-skid-resistance thin layer is formed by mixing, paving, rolling and curing a wear-resistant aggregate and a water-based epoxy emulsified asphalt cementing material, the cementing material is demulsified and cured to form a three-dimensional cross-linked network structure, and the wear-resistant aggregate is embedded into the cementing material in a point contact manner and partially protrudes out of the surface of the cementing material. Compared with the prior art, the two-layer structure forms chemical bonding and synergistic enhancement through a three-dimensional cross-linked network of epoxy resin, has excellent surface skid resistance, water stability and durability, can effectively solve the problem of insufficient skid resistance of an asphalt pavement, remarkably improves the driving safety, and adopts normal-temperature construction.

The invention provides an SBS asphalt modifier and a preparation method thereof, self-adhesive modified asphalt and a preparation method thereof, and a self-adhesive modified asphalt waterproof coiled material, and belongs to the technical field of waterproof materials. The preparation method of the SBS asphalt modifier comprises the following steps: adding SBS into naphthenic oil, heating to a dissolution temperature, and stirring until the SBS is completely dissolved to obtain an SBS solution; adding a polymerizable monomer containing C10-C30 linear alkyl into the SBS solution, and uniformly mixing to obtain a mixed solution; adding a free radical polymerization initiator into the mixed solution, and carrying out a free radical grafting reaction in an inert atmosphere; and adding a terminating agent to terminate the reaction to obtain the SBS asphalt modifier.

The invention discloses a durable bio-based asphalt waterproof coiled material and a preparation method thereof, and relates to the field of waterproof coiled materials. The composite material is formed by coating a base cloth with modified bio-based asphalt, the modified bio-based asphalt is lignin-modified bio-based asphalt, the bio-based asphalt is filled with oil-immersed wood fibers, and the oil-immersed wood fibers are formed by impregnating pine fibers and nano naphthenic oil. The nano naphthenic oil is prepared by mixing nano zinc oxide and naphthenic oil; through triple synergy of lignin modification, wood fiber reinforced oil locking and nano zinc oxide slow-release corrosion prevention, the purpose that the environment-friendly property and the high-performance index of the bio-based material are achieved at the same time is achieved.

The utility model relates to the technical field of adjusting mechanisms, and discloses an oil immersion roller adjusting mechanism which comprises an oil immersion pool, an oil immersion roller body is rotatably connected to the lower portion of the inner wall of the oil immersion pool, a fixing plate is fixedly connected to the upper portion of the inner wall of the oil immersion pool, and an adjusting assembly is arranged on the lower portion of the fixing plate. Mounting plates are fixedly connected to the front portion and the rear portion of the upper portion of the right side of the oil immersion pool correspondingly, connecting columns are slidably connected to the middles of the mounting plates, mounting discs are fixedly connected to the opposite sides of the connecting columns correspondingly, and mounting grooves are formed in the middles of the mounting discs; a tire base cloth guide roller is slidably connected into the mounting groove, and a quick release assembly is arranged on the side, away from the mounting disc, of the mounting disc. According to the utility model, through the cooperation of the handle, the connecting column, the reset spring, the mounting disc, the tire base cloth guide roller, the mounting groove and the like, the tire base cloth guide roller can be conveniently and quickly replaced by the adjusting mechanism, and the production efficiency of the modified asphalt waterproof coiled material is improved.

This invention relates to a modified asphalt coating, an asphalt waterproof membrane, and their production method, belonging to the technical field of asphalt waterproof membranes. The modified asphalt coating comprises, by weight, the following raw materials: 50-60 parts petroleum asphalt, 5-10 parts SBS modifier, 10-15 parts organic montmorillonite-zinc oxide composite modifier, 20-30 parts inorganic filler, and 10-20 parts adhesive powder and additives. This invention achieves a synergistic effect between organic montmorillonite and asphalt through organic modification of montmorillonite and intercalation with zinc oxide to form an organic montmorillonite-zinc oxide composite modifier, and through nanoscale structural design, enabling the organic montmorillonite and asphalt to jointly construct a dense nano-barrier network within the asphalt. This network physically blocks small molecules in the asphalt while adsorbing asphalt fumes, which are then decomposed and fixed by metal oxide molecules. Simultaneously, it resists ultraviolet radiation and inhibits microorganisms on the asphalt surface, reducing the volatilization of asphalt fumes, thereby giving the asphalt waterproof membrane a smoke-suppressing and odor-neutralizing effect.

The invention discloses a vertical face lap joint method for a macromolecular self-adhesive film waterproof coiled material and a modified asphalt waterproof coiled material. The foundation slab and the root of the outer wall are made of macromolecule self-adhesive film waterproof coiled materials, the outer wall is made of modified asphalt waterproof coiled materials, and the two coiled materials cannot be directly connected, so that the two coiled materials are connected through thermoplastic hidden nail belts. The free end of the macromolecule self-adhesive film waterproof roll and the thermoplastic hidden nail belt are tightly attached to the concrete outer wall together, the thermoplastic hidden nail belt is about 200 mm wide and is in a long strip shape, a through long groove is formed in the thermoplastic hidden nail belt, nail shooting holes are formed in the groove, and after the free end of the macromolecule self-adhesive film waterproof roll and the thermoplastic hidden nail belt are tightly attached to the concrete outer wall, nails are fixed in the groove. The outer wall modified asphalt waterproof coiled material is laid upwards from the lower portion of the hidden nail belt through a hot melting method (the hidden nail belt can be bonded with the modified asphalt waterproof coiled material after being heated), and finally the lower portion of the thermoplastic hidden nail belt is sealed through a sealing material. The method is simple to operate and good in waterproof effect.

The invention relates to the technical field of plastomer modified asphalt preparation, in particular to a preparation method and system of a plastomer modified asphalt waterproof coiled material, and the preparation method comprises the following steps: S1, determining the real-time dosage of a pre-compatible base material; s2, adding the pre-compatible base material, the functional additive and the inorganic filler in stages according to the determined adding amount, and treating by adopting a gradient heating and shearing blending process; s3, feeding the blended modified asphalt into a stirring kettle to complete homogenization treatment in a heat preservation state, and entering a tire base pretreatment process; s4, establishing an infiltration adaptation reference, and entering a dip coating process; s5, preparing a coiled material green body; and S6, the coiled material blank is fed into a three-section independent temperature control cooling roller set to be cooled and shaped, the internal stress of the coiled material is monitored on line, and closed-loop regulation and control are conducted. According to the method, the technical problems of large fluctuation of performance and poor batch consistency of a traditional process are solved, the fluctuation range of core performance between batches of finished products is reduced, and the production stability and the product quality controllability are greatly improved.

The invention relates to a modified asphalt sizing material, which is prepared from the following components in percentage by weight: 35.5 to 38.5 percent of 70 # asphalt, 6.5 to 9.5 percent of base oil, 4.5 to 5.5 percent of aromatic oil, 3.5 to 4.5 percent of SBS (Styrene Butadiene Styrene), 5.5 to 6.5 percent of SIS (Styrene Isoprene Styrene), 5.5 to 6.5 percent of SBR (Styrene Butadiene Rubber) powder, 1.9 to 2.1 percent of blocked isocyanate, 0.06 to 0.08 percent of activating agent, 4.5 to 5.5 percent of porous silicon dioxide and 24 to 30 percent of powder. The modified asphalt sizing material can trigger the activating agent to catalyze the deblocking of the blocked isocyanate at the processing temperature of 180 + / -2 DEG C to release-NCO groups, the-NCO groups can react with trace moisture in an asphalt system to generate CO2 gas, in the rubber layer forming process, CO2 is wrapped by the asphalt in a viscoelastic state to form a uniform closed-cell foam structure, and in the forming process of a rubber layer, the modified asphalt sizing material can be used for forming an asphalt layer. According to the structure, liquid water permeation is blocked by utilizing the characteristic that the surface tension of liquid water is greater than that of a bubble wall, and an initial channel is constructed for vapor diffusion; furthermore, closed-cell foam is bridged by utilizing nano-pores of porous silicon dioxide, a'nano-pore adsorption-micropore diffusion 'three-dimensional vapor-permeable network is constructed, diffusion and discharge of water vapor are accelerated, liquid water is further blocked, and dynamic balance of waterproofness and breathability is realized.

This invention relates to the field of building waterproofing, and discloses a composition for asphalt waterproof membrane, the asphalt waterproof membrane itself, its preparation method, and its application. The composition contains a main agent and additives; the main agent contains a base asphalt, rubber, SBS copolymer, crosslinking agent, accelerator, and coupling agent; the rubber is a combination of natural rubber and styrene-butadiene rubber in a mass ratio of 1:1.2-3. The asphalt waterproof membrane provided by this invention possesses a lightweight structure, excellent mechanical properties, and anti-aging properties.

The utility model relates to the technical field of asphalt waterproof coiled material cutting devices, in particular to a cutting device for modified asphalt waterproof coiled materials for roads and bridges, which comprises a base, a placing frame and a support, the placing frame is fixedly connected with the upper surface of the base, the support is fixedly connected with the upper surface of the base, and a driving mechanism is mounted at the upper end of the support. The driving end of the driving mechanism is located in the support, the inner wall of the support is slidably connected with a moving frame, the moving frame is in threaded connection with the driving end of the driving mechanism, the lower surface of the moving frame is fixedly connected with an air cylinder, the driving end of the air cylinder is provided with a cutter, and a clamping assembly is arranged at the joint of the support and the base. According to the coiled material cutting device, the clamping assembly is arranged, so that the coiled material in a machining area can be clamped when the device is used for machining, the problem that the cutting precision is reduced is solved, and the cutting precision of the cutting device and the binding performance on the coiled material are further improved.

The invention relates to the technical field of building waterproof materials, in particular to a modified asphalt waterproof coiled material and a preparation method thereof. The invention provides a modified asphalt waterproof coiled material. The modified asphalt waterproof coiled material comprises an anti-aging layer; the bonding layer is formed on the anti-aging layer; the anti-aging layer comprises a polyester base; the cross-linked modified asphalt coating is formed on the outer surface of the polyester base; the bonding layer is a non-crosslinking modified asphalt coating; the cross-linked modified asphalt coating is prepared from the following raw materials: 70 # asphalt, 200 # asphalt, SBS (Styrene Butadiene Styrene), waste tire powder, stone powder and a cross-linking agent; the non-crosslinking modified asphalt coating is prepared from the following raw materials: 70 # asphalt, 200 # asphalt, SBS (Styrene Butadiene Styrene), waste tire powder and stone powder. The modified asphalt waterproof coiled material provided by the invention can be quickly crosslinked, and has excellent bonding and peeling strength and thermal aging performance.

The application discloses a polymer asphalt waterproof coating laminated waterproof system, a wet-paving construction method and application. The laminated waterproof system is a waterproof system composed of polymer asphalt waterproof coating and self-adhesive modified asphalt waterproof coiled material bonding, the polymer asphalt waterproof coating is once thickly coated on the surface of a base layer, and the self-adhesive modified asphalt waterproof coiled material is laid on the surface of the wet coating. The application has higher construction efficiency than common asphalt coating and self-adhesive waterproof coiled material composite waterproof layer, lower-temperature construction than non-solidified and coiled material composite waterproof layer, and one more waterproof layer than the wet-paving process. Meanwhile, the two waterproof layers of the application and the base layer are fully bonded to form a full-interface closed mortise and tenon sealing structure, and the water channeling resistance is better.

The invention relates to the technical field of waterproof coatings, and discloses a high-strength weather-resistant asphalt waterproof coating and a preparation method thereof. Wherein the waterproof coating is prepared from the following components in percentage by mass: 45-55% of No. 70 petroleum asphalt or No. 90 petroleum asphalt; 7%-12% of a styrene thermoplastic elastomer; 3%-5% of a nano oxide material; 1%-2% of an ultraviolet light absorber; 0.5%-1% of an antioxidant; 5%-10% of a tackifier; 2%-3% of an emulsifier; 20%-30% of a filler; and 3%-5% of water. The preparation method comprises the steps of base material preparation, emulsion preparation, emulsified asphalt preparation, functional additive mixing and filler mixing. According to the high-strength weather-resistant asphalt waterproof coating provided by the invention, through the synergistic effect of the nano oxide material, the ultraviolet light absorber and the antioxidant, the mechanical property of a coating film is improved, meanwhile, a free radical chain reaction is effectively inhibited, the weather resistance is further enhanced, and the service life is further prolonged.

The invention discloses an exposed modified asphalt waterproof coating and a preparation method and application thereof. The coating comprises a base material composed of SBS modified asphalt emulsion, acrylate polymer emulsion and bio-based toughened resin, and a slow-release anti-aging agent (core-shell structure microcapsules, an anti-aging agent and an anti-aging agent), an inner core is a hindered amine light stabilizer and a benzotriazole ultraviolet light absorber), a temperature control functional material (a microencapsulation phase change material), a color stabilizer, a nano functional material (graphene-loaded TiO2 and nano SiO2), a filler, a defoaming agent, an anionic wetting agent and a thickening agent. The preparation method comprises the steps of base material mixing, toughening modification, nanometer grinding, functional material dispersion, auxiliary agent compounding, curing and the like. Through a slow-release anti-aging technology, a phase-change temperature adjustment function and a nano-reinforcement synergistic effect, the coating has excellent weather resistance, temperature adaptability and mechanical properties, is suitable for waterproof projects such as building roofs and basements, and is particularly suitable for exposed waterproof projects with more waterproof nodes.

This utility model discloses an asphalt waterproofing material thickness adjustment mechanism, including a support (1) disposed on the upper ends of both sides of the width of the asphalt pool, a drive roller (2) disposed on the rear side of the support (1), and a circular tube (21) disposed in the asphalt pool. The support (1) is provided with a vertically arranged guide groove (3). The guide groove (3) is provided with an upper support (4) and a lower support (5) distributed vertically and movable along the guide groove (3). Rollers (8) are provided in the upper support (4) and the lower support (5). A vertically arranged bidirectional screw (6) is provided on one side of the upper support (4) and the lower support (5). Two sets of screw seats (7) are provided on the bidirectional screw (6). The screw seats (7) are connected to the upper support (4) and the lower support (5) through an adjustment mechanism. A drive mechanism for driving the bidirectional screw (6) is provided at the upper end of the bidirectional screw (6). It can adjust the asphalt thickness on the upper and lower sides of the base fabric, thereby improving the quality of the asphalt waterproofing membrane.

The present application relates to a kind of preparation method and application of recycled asphalt, waste modified asphalt waterproofing membrane is cut into cutting material by cutting machine, cutting material is put into special double screw extruder, and is converted into molten state recycled asphalt.The present application also utilizes layered silicate clay and biodegradable resin to modify recycled asphalt, for preparing recycled asphalt system modified asphalt or recycled asphalt containing waterproofing membrane, realizes the recycling of waste modified asphalt waterproofing membrane, especially for the recycling of waste modified asphalt waterproofing membrane containing polyester fiber, recycled asphalt system modified asphalt prepared by recycled asphalt can also reduce the dependence on petroleum chemical composition-artificial synthetic rubber required for traditional modified asphalt, and the preparation method of the present application also has the advantages of low energy consumption, little pollution, reduce carbon dioxide emissions and the like relative to existing recycling technology.

The application relates to the technical field of architectural design, in particular to a metal texture slope roof suitable for tropical storm and typhoon areas, which comprises, from bottom to top, a reinforced concrete roof panel, a mortar layer, a three-layer waterproof layer, an isolation layer, a concrete protective layer and a silver gray paint layer; the three-layer waterproof layer comprises a polyurethane waterproof paint layer, an elastomer modified bitumen waterproof roll material and a hard foam polyurethane spraying layer. Reinforced anchor rings, reinforced meshes and cold-drawn steel wire meshes are all arranged in the concrete layer and have no direct contact with the atmosphere, so that corrosion and loss of effectiveness are avoided, and roof corrosion prevention is effectively realized; through the design of the three-layer waterproof layer, waterproof effect is effectively achieved, and heat preservation effect is simultaneously achieved; the metal texture slope roof suitable for tropical storm and typhoon areas is designed in the aspects of material selection, construction technology and combination reliability to adapt to tropical storm and typhoon areas, so that the requirements of roof structure on wind lifting resistance, waterproofness and corrosion resistance are met.

The application discloses a multistage temperature control sanding device for asphalt waterproof coiled material production, which comprises a rack, a preheating cover, a high-temperature cover, a medium-temperature cover and a low-temperature cover are bolted to the upper portion of the rack, and electric heaters are penetrated through the two sides of the preheating cover, the high-temperature cover, the medium-temperature cover and the low-temperature cover, the application is characterized in that a rotatable feeding pipe screening structure is integrated in the bunker, a main gear is driven by a servo motor to mesh with an external tooth ring to drive the feeding pipe to rotate, the screen holes uniformly distributed on the surface of the feeding pipe are used for dynamically screening the input sand materials, and the mixed large-diameter impurity particles in the sand materials can be effectively removed; meanwhile, a self-locking motor-driven discharging roller and a quantitative discharging structure with a through groove are matched, the sand materials can be controllably and uniformly discharged, the problems of the bunker and the discharging channel blockage caused by the absence of a screening mechanism in the traditional sanding device are solved, the equipment operation stability is improved, the continuous and efficient development of the sanding process of the asphalt waterproof coiled material is ensured, and the equipment downtime and maintenance frequency are reduced.

To provide a roof underlaying material excellent in lightweight properties.SOLUTION: A first uneven layer 2 which is disposed on a side in contact with a asphalt base material and contains first particles, a first asphalt waterproof layer 3 which is laminated on the first uneven layer 2 and is formed of a first asphalt composition containing first asphalt, an asphalt-impregnated fiber layer 4 which is laminated on the first asphalt waterproof layer 3 and is formed of a fiber structure containing third asphalt, in the roof underlaying material 1 including a second asphalt waterproof layer 5 formed of a second asphalt composition containing second asphalt and a second uneven layer 6 laminated on the second asphalt waterproof layer 5 and containing second particles, porous inorganic particles are used for at least one of the first particles and the second particles.SELECTED DRAWING: Figure 1

The invention relates to the field of building waterproof materials, in particular to a modified asphalt coating material, a saline-alkaline tolerant modified asphalt waterproof coiled material and a preparation method. The modified asphalt coating material is prepared from the following raw materials in parts by weight: 40 to 45 parts of matrix asphalt, 4 to 8 parts of solubilizer, 2 to 3 parts of SBS (Styrene Butadiene Styrene), 4 to 6 parts of rock asphalt, 10 to 13 parts of rubber powder and 30 to 35 parts of filler. Through mutual cooperation of the matrix asphalt, the solubilizer, the SBS, the rock asphalt, the rubber powder and the filler, the saline-alkaline tolerance of the modified asphalt waterproof coiled material is greatly improved, and meanwhile, the modified asphalt waterproof coiled material has excellent comprehensive properties such as heat resistance, low-temperature flexibility and tensile resistance.

The invention relates to the technical field of waterproof coiled materials, and discloses modified rubber powder and a preparation method thereof, a composition for a coating material, the coating material and a preparation method thereof, and a modified asphalt waterproof coiled material. The method for preparing the modified rubber powder comprises the following steps: (1) in the presence of water, soaking sunflower seed meal to obtain an intermediate I; (2) stirring the intermediate I and cellulase to obtain an intermediate II; and (3) in the presence of ethanol, contacting and mixing raw material rubber powder with the intermediate II to obtain the modified rubber powder, relative to 100 parts by weight of the sunflower seed meal, the use amount of the cellulase is 0.1-0.5 part by weight, and the use amount of the raw material rubber powder is 100-400 parts by weight. The modified asphalt waterproof coiled material provided by the invention has excellent antibacterial performance and also has good adhesion and aging resistance.

The utility model discloses a roof and parapet wall root waterproof closing-up structure, which comprises a leveling layer arranged at the corner of a parapet wall and a roof, a foot pad slope block is adhered to the corner of the leveling layer, a waterproof additional layer is poured on the leveling layer and the foot pad slope block, an asphalt waterproof coiled material is poured on the waterproof additional layer, and the asphalt waterproof coiled material is adhered to the corner of the roof. A side cavity is formed in the top of the right side of the parapet wall, and the end of the asphalt waterproof coiled material extends to an inner cavity of the side cavity. The drainage slope is formed at the joint of the parapet wall and the roof through the foot pad slope blocks, the asphalt waterproof coiled material is laid in a covering mode, the waterproof protection layer is poured on the outer side of the asphalt waterproof coiled material in a covering mode, and the waterproof protection layer is covered with the veneer, so that the asphalt waterproof coiled material is effectively protected; therefore, the purposes that the waterproof roll and the foot pad slope block are designed, water cannot be accumulated at the joint, and the waterproof roll is not easy to expose and damage through double-layer protection are achieved.

The invention relates to the technical field of polymer composite materials, and discloses a composition for a polyurethane composite adhesive, the polyurethane composite adhesive and application of the polyurethane composite adhesive. The composition contains a component A and a component B, on the basis of the total mass of a raw material composition A forming the component A, the raw material composition A contains polyether polyol I, polyester polyol I and polyisocyanate; on the basis of the total mass of the raw material composition B forming the component B, the raw material composition B contains polyether polyol II, polyester polyol II, a chain extender and an auxiliary agent; the chain extender is a combination of a main chain UPy chain extender capable of enabling the main chain of the polymer to contain a ureido pyrimidone group and a side chain UPy chain extender capable of enabling the side chain of the polymer to contain a ureido pyrimidone group. The polyurethane composite adhesive provided by the invention is applied to a composite membrane for an asphalt waterproof coiled material, and can effectively prevent oxygen permeation, reduce the oxygen permeation rate and isolate oxygen.

The invention belongs to the technical field of asphalt, and particularly provides a novel asphalt waterproof material as well as a preparation method and application thereof, and the novel asphalt waterproof material comprises the following raw materials in percentage by mass: 50-70% of matrix asphalt, 2-3% of a low-temperature-resistant modifier, 0.5-1% of a compatilizer, 0.01-0.03% of a catalyst and the balance of a solvent. The novel asphalt waterproof material disclosed by the invention can be applied to a waterproof coiled material and waterproof coating system, and is good in low-temperature flexibility and high in anti-aging stability.

The application discloses a roofing waterproof repair system based on material compatibility and a construction method, belongs to the technical field of building waterproof repair, and comprises the following composite structure: a base treatment layer, V-shaped grooves are formed at roof cracks, a plugging layer is filled in the V-shaped grooves, and the plugging layer is a modified polyurethane sealant; an elastic waterproof coating layer, 3-4 mm thick high-elastic polyurethane waterproof paint is brushed on the surface of the base treatment layer; and a coiled material protection layer, a compatible layer is fully adhered after the elastic waterproof coating layer is dried, the compatible layer comprises 3 mm thick SBS modified asphalt waterproof coiled material, and the SBS modified asphalt waterproof coiled material and the high-elastic polyurethane waterproof paint are chemically crosslinked to form an integral waterproof layer. The roofing waterproof repair system based on material compatibility and the construction method are adopted, waterproof performance and anti-base cracking capability are improved, waterproof life is prolonged, material cost is saved, maintenance frequency is reduced, comprehensive cost is lowered, and various substrates can be adapted.

The invention discloses an asphalt waterproof coiled material production raw material stirrer with a scraping structure, and relates to the technical field of waterproof coiled material production equipments.The asphalt waterproof coiled material production raw material stirrer is characterized in that a rack is erected above a stirring kettle, lower end feet of the rack are fixedly arranged on the outer side wall of the stirring kettle, and a stirring roller is arranged in the stirring kettle; the scraping plates are vertically arranged in the stirring kettle at equal intervals, the side edges of the scraping plates movably abut against the inner wall of the stirring kettle, the mounting mechanism is arranged in the stirring kettle, the supporting mechanism is arranged on the mounting mechanism, and the scraping plates are arranged on the supporting mechanism; according to the stirring device, the scraping structure capable of being lifted, folded and unfolded is arranged, the stirring structure and the driving transmission structure for the stirring structure are arranged in cooperation with the scraping structure arranged in the stirring kettle, and therefore the stirring device can be matched with the scraping structure for cooperative work while stirring in the stirring kettle is achieved.

The invention provides a self-repairing modified asphalt waterproof coiled material and a preparation method thereof, and relates to the technical field of waterproof coiled materials, the self-repairing modified asphalt waterproof coiled material comprises a TiO2N-CQDS compound, the compound is formed by combining anatase type nano TiO2 and nitrogen-doped carbon quantum dots N-CQDS according to the mass ratio of 1: 0.5 through carboxyl coordination bonds; tiO2 < 2 > N-CQDS and sulfur are added into the asphalt matrix; the base material is a glass fiber reinforced polyester base, the surface of the base material is covered with a porous TPU film, the nano TiO2N-CQDS composite modified asphalt waterproof coiled material with the low-temperature self-repairing function is provided, microcrack self-healing can still be achieved in the environment with the temperature ranging from-20 DEG C to 10 DEG C, and meanwhile the ultraviolet shielding capacity is enhanced; in order to solve the problems that an existing asphalt waterproof coiled material is poor in weather resistance and cannot be self-repaired due to micro damage, the modification method for achieving long-acting protection and crack self-healing of the material through the synergistic effect of surface modification, chemical bonding and photocatalysis of nano titanium dioxide is provided, and meanwhile the mechanical property and the environment-friendly characteristic of the asphalt waterproof coiled material are improved.

The utility model discloses a modified asphalt waterproof coiled material capable of being exposed for use, which relates to the field of waterproof coiled materials and comprises an isolating membrane covered on a lower layer of a modified asphalt layer, and an isolating membrane covered on an overlapping edge of an upper layer of the modified asphalt layer; the other surfaces of the upper layer of the modified asphalt layer are covered with a weather-proof composite film, and the width of the weather-proof composite film extends out of the modified asphalt layer; according to the waterproof coiled material, the weather-proof composite film with a certain length extends outwards, so that the higher weather-proof period is achieved, the construction convenience can be greatly improved, and the use condition of raw materials is reduced.