388 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 relates to the technical field of waterproof materials, and particularly discloses a self-adhesive polymer modified asphalt waterproof material as well as a preparation method and application thereof. The self-adhesive polymer modified asphalt waterproof material is prepared from the following raw materials in parts by mass: 45 to 55 parts of asphalt, 8 to 12 parts of softening oil, 10 to 15 parts of modifier, 8 to 12 parts of desulfurized rubber and 10 to 15 parts of filler, the modifier comprises the following raw materials: an ethylene-octylene copolymer, butadiene styrene rubber, coumarone resin and a functional modified material; the functional modified material is prepared from illite and phthalic acid ester. Through the design of the modifier and the proportion design of the raw material components, the synergistic interaction effect of the raw materials is fully played, the comprehensive performance of the waterproof material is improved, and the self-adhesive polymer modified asphalt waterproof coiled material prepared from the waterproof material has excellent high and low temperature properties, persistent adhesivity, peel strength, aging resistance and water resistance.

The invention relates to the technical field of waterproof coiled materials, in particular to a preparation method of an anti-aging modified asphalt waterproof coiled material, the anti-aging modified asphalt waterproof coiled material comprises a polyethylene film, a tire base layer and a modified asphalt matrix, comprising the following raw materials: 45-60 parts of asphalt, 10-15 parts of an 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 part of an initiator. The aging-resistant modified asphalt waterproof coiled material prepared by the preparation method disclosed by the invention has excellent waterproof performance, thermal aging resistance and ultraviolet aging resistance, and the aging-resistant modified asphalt waterproof coiled material also has a complex net-shaped structure, so that a matrix is endowed with excellent mechanical properties.

The invention relates to the field of building waterproof materials, and discloses a composition for a modified asphalt coating material, the modified asphalt coating material, a preparation method and application of the modified asphalt coating material, an energy-saving waterproof coiled material and application of the energy-saving waterproof coiled material. The composition contains a main agent and an auxiliary agent, wherein the main agent comprises matrix asphalt, epoxidized soybean oil, star-shaped SBS, a thermoplastic polyurethane elastomer, butadiene styrene rubber, hydrogenated butadiene-acrylonitrile rubber and a first component; on the basis of the total weight of the composition, the content of the matrix asphalt is 40-55 wt%, the content of the epoxidized soybean oil is 5-10 wt%, the content of the star-shaped SBS is 3-5 wt%, the content of the thermoplastic polyurethane elastomer is 1-8 wt%, the content of the styrene butadiene rubber is 1-5 wt%, the content of the hydrogenated butadiene-acrylonitrile rubber is 5-10 wt%, and the content of the plasticizer is 1-5 wt%. And the content of the first component is 1-2wt%. The modified asphalt waterproof coiled material provided by the invention has the advantages of strong adhesion, good stretchability and weather resistance and the like.

The invention discloses an anti-corrosion asphalt waterproof coiled material and a preparation method thereof, the waterproof coiled material comprises an anti-corrosion layer, a flame-retardant layer, a main body material layer and a wear-resistant layer which are sequentially arranged from top to bottom, the main body material layer comprises, by weight, 60-80 parts of petroleum asphalt, 15-22 parts of SBS, 20-30 parts of an inorganic filler, 0.2-0.4 part of an antioxidant and 25-40 parts of a coupling agent; the anti-corrosion layer comprises 55-65 parts of epoxy resin, 30-40 parts of an ethylene-vinyl acetate copolymer, 2-5 parts of a curing agent and 2-5 parts of a compatilizer; the flame-retardant layer is prepared from 50 to 60 parts of polyether polyol, 45 to 55 parts of isocyanate, 22 to 32 parts of a flame retardant, 0.2 to 0.5 part of a dispersing agent and 0.6 to 1.0 part of a de-foaming agent; the wear-resistant layer is prepared from 25 to 35 parts of polyether-ether-ketone resin, 25 to 35 parts of epoxy modified polyurethane resin, 3 to 8 parts of compatilizer and 0.2 to 0.4 part of antioxidant; the corrosion resistance, flame retardance and wear resistance of the waterproof coiled material are improved, the waterproof coiled material can be used for building walls, roofs, tunnels, roads, refuse landfills and the like, the preparation method is simple, and application and popularization are facilitated.

The utility model belongs to the technical field of basement leakage prevention, and particularly relates to a basement raft leakage prevention structure in a campus. Comprising an anchor rod pile, an anti-floating anchor rod is vertically arranged in the anchor rod pile, a waterproof layer is arranged at the top of the anchor rod pile, a concrete cushion layer is arranged on the periphery of the waterproof layer, and a first waterproof rubber sleeve is arranged at the position, located outside the anti-floating anchor rod, of the top of the waterproof layer; a waterproof coiled material is arranged between the first waterproof rubber sleeve and the second waterproof rubber sleeve, the periphery of the waterproof coiled material extends to the upper surface of the concrete cushion layer, the first waterproof rubber sleeve is filled with asphalt waterproof factice, the anti-floating anchor rod is sleeved with a sealing strip, and a structural bottom plate is arranged at the top of the concrete cushion layer. The first waterproof rubber sleeve is filled with the asphalt waterproof factice, and the position, corresponding to the upper surface of the asphalt waterproof factice, of the anti-floating anchor rod is sleeved with the sealing strip, so that the problem that underground water leaks along the anti-floating anchor rod can be effectively solved.

The invention discloses a modified asphalt composition, a preparation method thereof and a modified asphalt waterproof coiled material. The modified asphalt composition comprises the following raw material components in parts by weight: 40-50 parts of composite asphalt; 8 to 10 parts of softening oil; 5 to 7 parts of SBS (Styrene Butadiene Styrene); 1 to 1.5 parts of carbon fiber; 10 to 15 parts of rubber powder; 1-2 parts of an auxiliary agent; 15 to 25 parts of a filling material; wherein the carbon fibers and the SBS are interwoven to form a modified network, and the mass ratio of the carbon fibers to the SBS is 1: (4-6); the mass ratio of the carbon fibers to the composite asphalt is 1: (27-40); the mass ratio of the carbon fiber to the auxiliary agent is 1: (0.7-2). According to the modified asphalt composition, through the synergistic effect of the composite asphalt, the carbon fibers and the SBS, the mechanical property of the modified asphalt composition is guaranteed, meanwhile, the high-temperature stability of the modified asphalt composition is improved, and the influence on a waterproof material during thermal pavement of a pavement or a bridge deck can be effectively resisted.

The invention relates to the field of waterproof materials, and discloses a polymer modified asphalt waterproof material and a preparation method thereof.The polymer modified asphalt waterproof material is prepared from 40%-50% of asphalt, 8%-12% of polymer modifier, 5%-8% of atactic polypropylene, 3%-5% of rubber powder, 0.5%-1% of antioxidant, 0.3%-0.5% of ultraviolet light absorber, 1%-2% of compatilizer and 15%-20% of filler, the polymer modifier is specifically a styrene-butadiene-styrene block copolymer, the antioxidant is specifically a hindered phenol antioxidant, the ultraviolet light absorber is specifically a benzotriazole ultraviolet light absorber, the filler is specifically a mixture of talcum powder and calcium carbonate, the talcum powder accounts for 60-70% of the total amount of the filler, and the calcium carbonate accounts for 10-30% of the total amount of the filler. And calcium carbonate accounts for 30%-40%. By adding the styrene-butadiene-styrene block copolymer modifier, the hindered phenol antioxidant and the benzotriazole ultraviolet light absorber, the service life is remarkably prolonged, the waterproof maintenance frequency and cost of a building are reduced, and a long-acting waterproof defense line is built for the building.

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 discloses a bio-based non-cured asphalt waterproof coating and a preparation method thereof, the bio-based non-cured asphalt waterproof coating comprises the following components by weight: 27-34 parts of asphalt; 15 to 18 parts by weight of softening oil; 1.5 parts by weight to 2.5 parts by weight of a rubber modifier; 1.5 to 2.5 parts by weight of a temperature-resistant auxiliary agent; 45 parts by weight to 54 parts by weight of an inorganic filler; 0.455 to 2.75 parts by weight of a modified bio-based carbon aerogel; the modified bio-based carbon aerogel is prepared from amino alkyl alkoxy silane and biomass carbon aerogel through a reaction. According to the bio-based non-cured asphalt waterproof coating, the heat insulation effect of the biomass aerogel is utilized, and the modified bio-based carbon aerogel is combined with the components of the traditional non-cured asphalt waterproof coating, so that the bio-based non-cured asphalt waterproof coating has a waterproof effect and also has a good heat insulation effect.

The invention relates to the technical field of coiled materials, in particular to an asphalt waterproof coiled material and a preparation method thereof. The preparation method comprises the following steps: firstly, coating a boron nitride nanosheet with porous alkenyl organic silicon constructed by adopting phenyltrimethoxysilane, 1, 4-bis (triethoxysilyl) benzene and vinyltrimethoxysilane as a framework, adding the boron nitride nanosheet and SBS into asphalt to obtain modified asphalt, then coating the modified asphalt on the surface of a polyester base, and finally coating the modified asphalt on the surface of the polyester base. And flattening and cooling to obtain the waterproof coiled material. The porous alkenyl organosilicone-coated boron nitride nanosheets adopted in the invention significantly improve the penetration, softening point and ductility of asphalt, and improve the tensile property, heat resistance and waterproofness of the waterproof coiled material prepared from the asphalt, and the waterproof coiled material is suitable for long-term use in a complex environment.

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 utility model discloses a feeding device for production of spraying rapid-hardening rubber asphalt waterproof paint, and belongs to the technical field of waterproof paint production. Comprising a high-position storage tank, a feeding tank and a rodless scraping unit, and a filling alarm is arranged at the top of the high-position storage tank; the high-level storage tank is provided with a slurry feeding pipe below the filling alarm, and the slurry feeding pipe is connected to the storage tank through a slurry pump set; a first electric control valve group is arranged between the feeding tank and the high-position storage tank; a heating jacket is fixedly sleeved outside the feeding tank; the heating jacket is connected in series with a steam supply unit; the bottom of the feeding tank is connected with a second electric control valve group; according to the feeding device for production of the spraying rapid-hardening rubber asphalt waterproof coating, viscous components in sufficient proportion can be rapidly added into the reaction kettle through heating and pressurizing, and the viscous components can be synchronously mixed and reacted with other components, so that the production quality of the spraying rapid-hardening rubber asphalt waterproof coating is ensured.

The invention belongs to the technical field of coating compositions, and relates to a heat-shrinkage-resistant asphalt waterproof coating and a preparation method thereof. The invention aims to solve the problems that the existing asphalt waterproof coating is poor in thermal shrinkage resistance and easy to release harmful substances. The method comprises the following steps: pretreating an asphalt raw material to obtain refined asphalt; mixing the grafted polyphenylene sulfide and the polyether-ether-ketone to obtain a thermal shrinkage resistant resin auxiliary agent; carrying out polymerization reaction on the heat-shrinkage-resistant resin auxiliary agent and the refined asphalt to obtain a heat-shrinkage-resistant asphalt base material; mixing the heat-shrinkage-resistant asphalt base material with a plasticizer and a flatting agent, and performing ultrasonic treatment to obtain a coating base material; dispersing a light stabilizer and an adsorbent in a water-based solvent to obtain a coating additive; and mixing the coating base material with the coating additive, and curing to obtain the heat-shrinkage-resistant asphalt waterproof coating. The heat-shrinkage-resistant asphalt waterproof coating prepared by the preparation method disclosed by the invention has excellent heat shrinkage resistance while keeping the waterproof performance, and has low VOC emission and good environmental protection performance.

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 relates to the technical field of building waterproof materials, and discloses a composition for an asphalt waterproof coating, the asphalt waterproof coating and a preparation method and application of the asphalt waterproof coating. The composition contains a main agent and an auxiliary agent, the main agent comprises composite asphalt, a filler composition and an antioxidant; relative to 100 parts by weight of the composite asphalt, the content of the filler combination is 30-50 parts by weight, the content of the antioxidant is 1.5-4 parts by weight, and the content of the additive is 14-30 parts by weight; wherein the composite asphalt is a combination of petroleum asphalt and plant asphalt; the filler composition is a composition of montmorillonite, sepiolite and diatomite in a content mass ratio of 1: (1-4): (1.5-6); the montmorillonite is loaded with 0.5 to 4 mmol / g of copper ions, and the diatomite is loaded with 0.5 to 4 mmol / g of silver ions. The waterproof coating provided by the invention can significantly improve the peel strength, weather resistance and aging resistance of the coiled material, and also has efficient mildew-proof and antibacterial effects.

The utility model relates to the technical field of house repairing, in particular to a waterproof layer structure for repairing an old house, which comprises a base surface layer and a concrete mortar layer, and a waterproof layer is arranged between the base surface layer and the concrete mortar layer. The waterproof layer comprises a cement-based permeable crystallization self-healing coating layer, an asphalt waterproof coating layer is arranged on the cement-based permeable crystallization self-healing coating layer, and a gridding cloth layer is arranged on the asphalt waterproof coating layer. The utility model has the characteristics that the structure is simpler and more reasonable, blistering and peeling can be better avoided, the waterproof effect can be improved, and moisture overflow can be avoided.

The invention relates to the technical field of building materials, and discloses a self-repairing modified asphalt waterproof coiled material, which comprises the following components by weight: 60-70 parts of an asphalt matrix; the invention also provides a preparation method of the self-repairing modified asphalt waterproof coiled material, and the preparation method comprises the following steps: S1, material pretreatment and mixing: mixing the modified asphalt matrix with the nano reinforcing material, the shape memory polymer, the thermal reversible high polymer material and the microcapsule repairing material; and S2, performing high-energy mechanical mixing treatment: performing mixing treatment by using high-energy mechanical mixing equipment to ensure that all components are uniformly dispersed. By adopting ultrasonic treatment, low-temperature freeze drying, vacuum hot-pressing curing and microcapsule repairing technologies, the excellent flexibility, self-repairing efficiency and stability of the modified asphalt waterproof coiled material at low temperature are realized, and the long-acting waterproof performance and durability of the material are remarkably improved.

The utility model discloses a house building through-wall pipe waterproof component which comprises a steel sleeve body arranged in a wall body, the through-wall pipe body is arranged in an inner cavity of the steel sleeve body in a penetrating mode, and asphalt waterproof coiled materials are bonded between the two ends of the surface of the through-wall pipe body and the wall body. A fixing shell arranged on the surface of the through-wall pipe body in a sleeving mode is arranged on the outer side of the asphalt waterproof coiled material. According to the utility model, the steel sleeve body is pre-buried in the wall body, after the through-wall pipe body penetrates through the steel sleeve body, the hemp thread factice body and the rubber ring are stuffed into the gap between the through-wall pipe body and the steel sleeve body, then the asphalt waterproof coiled material is adhered to the surfaces of the wall body and the through-wall pipe body, and the fixed shell is mounted on the wall body through the tapping; and then the connecting shell is screwed on the surface of the fixing shell, the extrusion ball makes contact with the wedge-shaped face of the inner wedge-shaped ring during the period, the deformation column deforms, the extrusion ball abuts against the outer side of the asphalt waterproof coiled material due to deformation of the deformation column, and the sealing performance of the asphalt waterproof coiled material is guaranteed.

The invention discloses high-performance polymer modified asphalt, a preparation method thereof and a waterproof coiled material, and the high-performance polymer modified asphalt comprises the following components in parts by weight: 60-65 parts of petroleum asphalt, 12-14 parts of SBS, 2-4 parts of SEBS, 2-4 parts of EVA, 1-3 parts of oil, 2-4 parts of a cross-linking agent, 1-2 parts of an antibacterial agent and 10-20 parts of an inorganic filler. The high-performance polymer modified asphalt is excellent in waterproof performance, and the preparation method is simple; the prepared waterproof coiled material has good low-temperature flexibility at-50 DEG C and excellent antibacterial property.

The invention relates to the technical field of waterproof coiled materials, in particular to a preparation method of a high-cold-weather-resistant graphene modified asphalt waterproof coiled material, which comprises the following steps: adding first matrix asphalt, second matrix asphalt, graphene and engine oil, heating and stirring; adding SBS-T6302H, stirring and mixing at a target temperature according to preset stirring parameters, adding rubber powder, and passing through a colloid mill to obtain a mixture; transferring the mixture into a stirring tank, adding fly ash, stirring, detecting the final viscosity, transferring the obtained product into a glue preparation tank, stirring, molding, cooling and sizing to obtain the waterproof coiled material. Determining the colloid particle size and the colloid viscosity in the stirring process, and constructing a uniformity model according to the preset stirring parameters, the colloid particle size, the colloid viscosity and the paddle diameter to determine the dispersion standard coefficient of the modifier; collecting a coiled material surface image to determine defect characteristics so as to adjust a basic cooling temperature; and performing a low-temperature flexible test to determine a test qualification rate, and determining an adjustment mode of the preset stirring parameters according to the dispersion standard coefficient and the test qualification rate.

The utility model relates to the field of asphalt pavements, in particular to an anti-freezing asphalt pavement which comprises an asphalt layer, and the grating net is mounted below the asphalt layer and is used for resisting freezing and cracking. According to the anti-freezing asphalt pavement disclosed by the utility model, the asphalt layer, the grating net, the asphalt waterproof bonding layer, the modified asphalt concrete, the modified emulsified asphalt bonding layer and the high-modulus asphalt concrete are arranged, and stearic acid modified calcium sulfate whiskers and a silane coupling agent are added into the asphalt layer, so that the low-temperature performance of a mixture is not reduced; according to the anti-freezing asphalt pavement composition disclosed by the invention, the glass fiber grid is arranged below the asphalt layer and has low-temperature-resistant and anti-freezing effects, and meanwhile, polyvinyl alcohol and cellulose nanofibers are added into the modified emulsified asphalt bonding layer, so that the anti-freezing performance of the anti-freezing asphalt pavement composition is improved, and the anti-freezing performance of the anti-freezing asphalt pavement composition is improved. And through the mutual synergistic effect of the two components, the anti-freezing performance of the anti-freezing asphalt pavement composition is further improved.

The invention discloses an anti-cracking structure of a roof waterproof layer and a construction method, relates to the field of roof waterproof layers, solves the problem that the waterproof effect is reduced or loses efficacy due to the fact that waterproof coiled materials in an existing roof waterproof layer are prone to loosening to generate cracks in the long-term use of the existing roof waterproof layer, and provides the following scheme that the anti-cracking structure comprises a protective net and a connecting net; connecting mechanisms are arranged between the protective nets and the connecting nets, the connecting mechanisms are used for connecting the adjacent protective nets through the connecting nets, anchor rods are arranged on the upper side faces of the protective nets and the upper side faces of the connecting nets at equal intervals in an array mode, and positioning cones are arranged on the lower side faces of the protective nets and the lower side faces of the connecting nets at equal intervals in an array mode; the anchor rod is anchored in the cement paste on the upper layer, and the positioning cone and the asphalt waterproof layer on the lower layer are inserted. The device has the advantages that installation and construction are convenient, the roof waterproof layer can be prevented from cracking in the later use process, and the stability of the roof waterproof layer is effectively improved.

The invention relates to the technical field of road engineering and building protection materials, and discloses an ultralow-temperature modified asphalt waterproof coiled material which comprises the following components in parts by weight: 50-70 parts of No.70 matrix asphalt and Venezuela asphalt; 10 to 25 parts of an elastomer blending modifier; the invention also provides a preparation method of the ultralow-temperature modified asphalt waterproof coiled material, and the preparation method comprises the following steps: S1, material pretreatment: uniformly mixing the No.70 matrix asphalt with the Venezuela asphalt and the elastomer blending modifier to form an asphalt base material with proper processing performance; and S2, nano-filling reinforcement: introducing a nano-filling reinforcement component into the modified asphalt. By introducing a nanometer enhancement technology, multi-layer composite structure optimization and macromolecule modification, the low-temperature flexibility, weather resistance and structural stability of the material are improved, and balance optimization of long-term durability and comprehensive performance is achieved.

The invention relates to the field of buildings, and particularly discloses a novel modified asphalt waterproof coiled material with long service life. The waterproof roll is prepared by the following steps: mixing a macromolecular waterproof sheet with two fabric reinforcing layers, and forming a matrix by taking the macromolecular waterproof sheet as a core layer; the tire body is dried until the tire body is dried; the dried tire body is subjected to asphalt presoaking treatment; and covering an anti-sticking isolating layer to obtain the waterproof roll. The waterproof coiled material can be used in the field of building waterproofing, and has the characteristics of watertightness and excellent waterproof durability.

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 invention discloses a two-component polyurethane foam adhesive for waterproof engineering and a preparation method thereof, and relates to the technical field of building waterproofing. The adhesive consists of a component A and a component B; the component A is a polyurethane prepolymer with an NCO content of 5-8%; the component B consists of a second polyol, a catalyst, an auxiliary agent, a chain extender, a coupling agent and a filler; the auxiliary agent is one or two of epoxidized modified polybutadiene or epoxidized terminal hydroxyl polybutadiene, and the epoxy value of the auxiliary agent is 0.5-1.5 mmol / g, and the hydroxyl value is 0.7-1.5 mmol / g; the two-component polyurethane foam adhesive for waterproof engineering of the invention is a two-component solvent-free environmentally friendly adhesive, has micro-foaming, excellent wear resistance and bonding performance, low thermal conductivity and excellent thermal insulation effect, and is mainly used for repairing and bonding PVC coiled materials and asphalt waterproof coiled materials in waterproof engineering.

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.

The invention discloses an asphalt waterproof coiled material modifier, a preparation method and application, the modifier comprises the following components by weight: 25%-80% of styrene butadiene rubber, 15%-70% of polyethylene wax, 0.5%-3% of a vulcanizing agent or a combination of the vulcanizing agent and a vulcanizing agent accelerator, and 0.1%-2% of an antioxidant. The prepared modifier is moderate in viscosity, small in mixing amount and easy to disperse, and the method is simple in technological process; the modified asphalt waterproof coiled material can be applied to the asphalt waterproof coiled material, can endow the coiled material with excellent high and low temperature performance and storage stability, and can avoid the use of solvents such as engine oil, so that the production of the asphalt waterproof coiled material is more environment-friendly and lower in cost.

The present invention discloses a self-adhesive polymer modified asphalt waterproofing membrane and a preparation method thereof. The waterproofing membrane comprises a base layer, the upper and lower surfaces of which are respectively covered with a modified asphalt moisture-conducting layer, the surface of which is covered with an isolation layer; the modified asphalt moisture-conducting layer is composed of an inner modified asphalt layer and an outer modified asphalt layer. The waterproofing membrane prepared by the present invention has low water absorption and good self-hydrophobicity. After long-term use, the waterproofing membrane can maintain the oil-locking ability of the impregnated base and reduce the water absorption rate of the impregnated base. With the coordinated cooperation of the inner modified asphalt layer and the outer modified asphalt layer, it can ensure that the membrane remains in a low water absorption state for a long time, thereby maintaining the stability of the material performance.