375results about "Bituminous coatings" patented technology

The invention discloses a waterborne epoxy resin coating, a preparation method and application in bridge protection, and belongs to the technical field of coatings. The water-borne epoxy resin coating comprises the following raw material components in parts by weight: 15-25 parts of epoxy composite resin emulsion, 100 parts of emulsified asphalt, 3-5 parts of a curing agent and 6-10 parts of water, wherein the epoxy composite resin emulsion is obtained by carrying out a composite reaction on 30-60 parts by mass of epoxy resin, 2-3 parts by mass of an emulsifier, 6-9 parts by mass of an acrylate composition and 1.4-1.6 parts by mass of a co-stabilizer; the acrylate composition is prepared by prepolymerizing 15 to 16 parts by mass of butyl methacrylate, 10 to 12 parts by mass of 2-isopropenyl aniline, 5 to 7 parts by mass of allyl glycidyl ether and 1 to 1.2 parts by mass of allyl polyhedral oligomeric silsesquioxane and then combining the prepolymerized materials with 1 to 3 parts by mass of acrylic acid.

The present invention relates to an exposed water-based asphalt-based waterproof coating material and a preparation method therefor, and a waterproof laminate. The exposed water-based asphalt-based waterproof coating material comprises anionic emulsified asphalt, a polymer emulsion, a filler, and an auxiliary agent, wherein the anionic emulsified asphalt is prepared by melt-blending matrix asphalt with a composite weather-resistant additive and then emulsifying the resulting blend. The composite weather-resistant additive is a combination of an antioxidant and an ultraviolet absorbent in a mass ratio of 0.5-2:1, and the polymer emulsion is one of or a combination of more than one of a weather-resistant styrene-acrylic emulsion, a weather-resistant pure acrylic emulsion, and a weather-resistant silicone acrylic emulsion. By introducing the antioxidant and the ultraviolet absorbent into the anionic emulsified asphalt, the present invention improves the stability of a waterproof coating material system and avoids a demulsification phenomenon; moreover, by using a weather-resistant polymer emulsion in combination with a filler and an auxiliary agent, the weather resistance of the prepared waterproof coating material is greatly improved; furthermore, by means of the protective effect and the sunlight reflecting effect of white sintered sand adhered to a surface of the coating material, the waterproof system can be used as an exposed product for waterproof construction of buildings that have been in exposed environments for a long time.

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 present invention relates to the technical field of waterproof coatings, and discloses a preparation device for an elastomer-modified asphalt waterproof coating, comprising a stator with a material guide cavity provided therein and a rotor arranged inside the material guide cavity, a grinding zone is formed between the rotor and the stator, and a material blocking plate is arranged in the grinding zone to slow down the flow speed of the material in the grinding zone. By arranging a material blocking plate in the grinding zone to hinder the flowing material, the flow speed of the material in the grinding zone is slowed down, so as to increase the grinding time of the material in the grinding zone, increase the time of grinding the material once, and thus make the material more fully ground.

The invention provides a non-cured asphalt-based waterproof coating and a preparation method thereof. Wherein the non-cured asphalt-based waterproof coating comprises the following raw material components in parts by weight: 45-70 parts of asphalt; 10 to 20 parts of a compatilizer; 3-10 parts of a thermoplastic elastomer; 3-5 parts of styrene butadiene rubber; 3-5 parts of resin; 2-5 parts of wax powder; 5 to 20 parts of modified graphene oxide; 12-25 parts of an inorganic filler; 0.2 to 0.8 part of a dispersant; wherein the modified graphene oxide is alkylamine modified graphene oxide. According to the non-cured asphalt-based waterproof coating provided by the invention, alkylamine modified graphene oxide is introduced into the waterproof coating, has better compatibility with other components, and forms more heat conduction routes in the non-cured asphalt-based waterproof coating, so that the heat conductivity coefficient of the waterproof coating is effectively improved, and the heating time and heating temperature of coating construction are reduced; no smoke is generated during construction, the environmental protection property is high, and fire of the non-curing coating caused by high-temperature heating can be effectively reduced.

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.

A shingle coating asphalt composition is provided that is produced from a paving grade asphalt. The asphalt composition comprises a paving-grade asphalt that has been modified with one or more polymer additives; and a secondary additive comprising one or more of a viscosity reducing agent, a wax, a salt of a fatty acid ester, and an amide of a fatty acid. The shingle coating asphalt coating composition is used to make a shingle. The shingle includes a substrate, the asphalt, and roofing granules.

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 belongs to the field of waterproof coiled materials, and discloses an ionic crosslinking wide damping temperature range self-healing asphalt waterproof coiled material. The waterproof coiled material comprises an upper surface isolating layer, an upper surface modified asphalt coating material layer, an upper inner modified asphalt coating material layer, a tire base layer, a lower inner modified asphalt coating material layer, a lower surface modified asphalt coating material layer and a lower surface isolating layer which are sequentially arranged from top to bottom, the coating material raw materials of each modified asphalt coating material layer comprise the following components: an asphalt matrix, a maleic anhydride modified styrene-butadiene-styrene thermoplastic elastomer, carboxy nitrile rubber, nitrile rubber, ethylene vinyl acetate rubber, an auxiliary agent, rubber powder and an inorganic filler. By means of designing a coating material formula, a production process and the like of the waterproof coiled material, the waterproof performance, the self-healing performance and the damping performance of the waterproof coiled material are improved, the damping problem of a building is effectively solved, and the waterproof performance, the damping performance and the self-healing performance are effectively considered fundamentally.

The invention discloses an isothiazolinone non-curing coating and a preparation method thereof, and relates to the technical field of waterproof coatings. The coating comprises a base material, a compound isothiazolinone antibacterial agent, a mixed stabilizer, a compound plasticizer, a compound anti-aging agent, a filler, an adhesion promoter and a solvent, the compound type isothiazolinone antibacterial agent is prepared by mixing and compounding 2-methyl-4-isothiazolin-3-ketone and 5-chloro-2-methyl-4-isothiazolin-3-ketone according to a mass ratio of (1 to 3): 1, and the compound type isothiazolinone antibacterial agent is prepared by mixing and compounding 2-methyl-4-isothiazolin-3-ketone and 5-chloro-2-methyl-4-isothiazolin-3-ketone and 5-chloro-2-methyl-4-isothiazolin-3-ketone; the mixed stabilizer is formed by mixing organic bentonite, polyamide wax and fumed silica; the defects that an existing non-curing coating is poor in antibacterial performance, insufficient in aging resistance and poor in formula compatibility are overcome.

The invention discloses a high-viscosity anti-skid waterproof asphalt coating, which comprises the following components in parts by weight: 40-60% of petroleum asphalt, 10-20% of asphalt, 10-20% of a curing agent, 10-20% of a curing agent, 10-20% of a curing agent, and the balance of water. 15%-25% of light-cured resin; 5%-10% of a tackifier; 1%-3% of a photoinitiator; 10%-20% of an anti-skid filler; and 0.5%-2% of an auxiliary agent. According to the high-viscosity anti-slip waterproof asphalt coating disclosed by the invention, through the synergistic modification effect of the light-cured resin and the tackifier on the petroleum asphalt, the bonding cohesion can be improved, the water resistance can be enhanced, and rapid curing, high bonding power, slip resistance and long-acting waterproof performance can be realized. The coating is environment-friendly and efficient, is suitable for various engineering scenes, and is particularly suitable for projects with high requirements on construction efficiency and safety performance; the preparation method is simple in process flow, low in equipment investment and operation cost and beneficial to popularization and application.

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 discloses an environment-friendly water-based self-adhesive composition and application thereof, a waterproof coiled material and preparation methods of the environment-friendly water-based self-adhesive composition and the waterproof coiled material. The environment-friendly water-based self-adhesive composition comprises the following components in parts by weight: 100 parts of VAE (Vinyl Acetate Ethylene) emulsion; 90 to 180 parts by weight of a styrene-acrylic emulsion based on 100 parts by weight of the VAE emulsion; based on 100 parts by weight of the VAE emulsion, 4 to 8 parts by weight of a defoaming agent; 40 to 80 parts by weight of a wetting dispersant based on 100 parts by weight of the VAE emulsion; 1.2 parts by weight to 2.5 parts by weight of a thickening agent based on 100 parts by weight of the VAE emulsion; 38 to 120.5 parts by weight of a dispersant based on 100 parts by weight of the VAE emulsion; and 50-90 parts by weight of a first filler based on 100 parts by weight of the VAE emulsion. The environment-friendly water-based self-adhesive composition has a good environment-friendly effect, construction is carried out without adopting a warming process, the waterproof coiled material can be constructed by adopting a dry paving method and a wet paving method, and the waterproof coiled material can be firmly bonded with a base surface.

The invention provides a water-based rubber asphalt waterproof coating and a preparation method thereof, and belongs to the technical field of building waterproof materials. The coating comprises the following raw materials in parts by weight: 50-60 parts of asphalt, 50-60 parts of water, rubber emulsion: 8-12 parts of SEBS emulsion, 6-8 parts of rubber emulsion, 3-5 parts of an emulsifier, 0.2-0.5 part of a stabilizer, 2-3 parts of a coupling agent and 5-10 parts of filler. The invention also provides a preparation method of the water-based rubber asphalt waterproof coating. The waterproof coating has the advantages of high tear strength, high elastic recovery, high elongation, high self-healing property and the like, and also has excellent high temperature resistance, low temperature resistance, ozone resistance, ultraviolet resistance, aging resistance and weather resistance, so that the waterproof service life of a building is prolonged, and the waterproof coating is not only suitable for cold regions, but also suitable for hot regions, is wide in application territorial scope, and is worthy of popularization and application. And the use requirements of different regions and different climatic environments in China can be met.

A composite for paving and roofing applications comprising: from 5 to 20 wt%, preferably from 10 to 15 wt%, of the composite of regenerated vulcanized rubber, from 70 to 93 wt%, preferably from 80 to 90 wt%, of pure asphalt, from 2 to 10 wt%, preferably from 2.5 to 7.5 wt%, more preferably from 4 to 6 wt%, of a compatibilizer, the present invention relates to a compatibilizer comprising a hydroxyl-functionalized propylene-based copolymer, preferably having a hydroxyl-functionalized comonomer content of 0.1 to 0.6 mol%, more preferably 0.2 to 0.5 mol%, and an aluminum-containing residue comprising an elemental aluminum content in an amount of 0 to 1.5 wt% of the hydroxyl-functionalized propylene-based copolymer.

A dispersion, methods of making the same, applications of the dispersion to graphitic material and the resulting coated particles are disclosed. The dispersion includes ≤55% wt. coal tar pitch (softening point 100° C.-95° C.), ≤60% wt. dispersant, and the balance a non-aromatic solvent such as water or alcohol. Pitch particles in the dispersion are preferably ≤10 μm with a distribution of D50<15 μm. The pitch particles are micronized, such as by dry and / or wet milling with the dispersant and aqueous solvent to achieve the desired pitch particle size and distribution. This aqueous dispersion may be mixed with natural or synthetic graphitic material having a diameter of 5-20 μm in a ratio of 5%-30% pitch to graphite, dried and carbonized to form coated particles having a graphitic core at least partially coated by pitch particles.

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 discloses a buton rock asphalt micro-powder composite waterproof material and a preparation method thereof, and belongs to the technical field of building waterproof materials. Wherein the waterproof roll coating material is prepared from the following raw materials: matrix asphalt, buton rock asphalt micro powder, an SBS modifier, naphthenic oil, polypropylene, talcum powder and nano titanium dioxide or boron nitride nanosheets; the waterproof coating is prepared from the following raw materials in parts by weight: matrix asphalt, buton rock asphalt micro powder, an SBS modifier, bentonite paste, fluorocarbon emulsion, water and nano titanium dioxide or boron nitride nanosheets, the preparation method comprises the following steps: crushing blocky buton rock asphalt into powder of which the particle size is less than or equal to 75 microns, performing microwave activation in a microwave radiation device, adding a silane coupling agent, mixing, and drying to obtain the buton rock asphalt micro powder. The Buton rock asphalt micro powder is added to improve the dispersity of the Buton rock asphalt in the asphalt, so that the Buton rock asphalt is suitable for preparing waterproof coiled materials and self-healing waterproof coatings with high weather resistance and puncture resistance.

The invention discloses a preparation method of a modified asphalt tire-free waterproof coiled material, which is characterized by comprising the following steps: taking the following raw materials in percentage by mass: 41-43% of asphalt, 9-12% of softening oil, 10-11% of tire rubber powder, 1-3% of SBS (Styrene Butadiene Styrene), 3-4% of SBR (Styrene Butadiene Styrene), 1-2% of basalt fiber and 28-34% of filler, mixing and stirring the asphalt and the softening oil, heating to 190-195 DEG C, adding the tire rubber powder, heating to 190-195 DEG C, and stirring for 20-30 minutes, thereby obtaining the modified asphalt tire-free waterproof coiled material. Cooling to 185-190 DEG C, adding SBS and SBR, adding basalt fiber, carrying out heat preservation and stirring, adding a filler, and stirring and mixing to obtain an asphalt composition; and coating one surface of the film with the asphalt composition, and then covering a layer of film, thereby obtaining the modified asphalt tire-free waterproof coiled material. The prepared modified asphalt tire-free waterproof coiled material is good in performance and suitable for buildings to resist external rainwater erosion, prevent underground water leakage and the like.

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 invention discloses a water-based coating for resisting gas leakage as well as a preparation method and application of the water-based coating. The water-based coating is prepared from 25 to 35 parts of organic silicon modified acrylic synthetic emulsion, 20 to 30 parts of emulsified asphalt, 715 parts of neoprene emulsion, 20 to 30 parts of filler, 3 to 10 parts of deionized water, 0.3 to 1.0 part of vulcanization cross-linking agent and auxiliaries, wherein the vulcanization cross-linking agent comprises the following raw materials in parts by weight: 30-40% of deionized water, 40-45% of zinc oxide, 5-10% of sulfur, 5-10% of an anti-aging agent D and 5-10% of an accelerant. The sealing coating disclosed by the invention can be adopted, so that the environmental protection property and the safety are greatly improved, and the construction difficulty of the product is greatly reduced. After the product is constructed, an integral closed coating is formed, no lapped seam is generated, the phenomenon of peeling and falling at the lapped seam in the later period is avoided, and the long-term gas tightness of the gas storage is ensured.

Provided herein are an emulsified asphalt product and an emulsified coating product. Both emulsified products contain one or more rejuvenators of formula (I) or formula (X). The emulsified asphalt product is useful for improving the performance of aged or brittle resinous binders in paving applications while the emulsified coating product is similarly useful in roofing applications. Also provided herein is a treated bituminous pavement where the performance grade varies with depth.

The invention discloses a high-yield silicon-calcium cored wire and a preparation method thereof, and relates to the technical field of cored wires. Comprising the following steps: step 1, spraying composite powder on the surface of a calcium wire, and carrying out laser alloying to obtain an alloyed calcium wire; 2, the surface of the alloyed calcium wire is coated with the modified coating, and a core material is obtained; and 3, wrapping the surface of a core material with the composite powder, and pressing and drawing the core material with a steel sheet to obtain the silicon-calcium core-spun yarn. The core-spun yarn has the beneficial effects that the structure of the powder in the core-spun yarn is improved, and the modified coating is introduced to the surfaces of the powder and the alloyed core material, so that the high-temperature resistance of the internal calcium wire is improved, the position of the whole core-spun yarn in molten steel is convenient to control, and the purification effect on the molten steel is improved. And meanwhile, the durability and thermoplasticity of the steel are enhanced to a certain extent.

Belonging to the technical field of coatings, the invention relates to an environment-friendly epoxy asphalt anticorrosive coating, which specifically comprises the following components by weight: 30-35 parts of asphalt; 25 to 40 parts of polypropylene; 40 to 50 parts of ultrafine coated kaolinite powder; 10 to 15 parts of a coloring agent; 0.5 part of fly ash; 0.5 part of a soaping agent; 1 part of silicon dioxide powder; 1-5 parts of polyethylene; the environment-friendly corrosion-resistant plastic is simple and convenient to prepare, and has the characteristics of environment friendliness and corrosion resistance.

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 belongs to the field of waterproof coatings, and provides a modified waterproof coating for roads and bridges and a preparation method thereof. The anti-rust asphalt is prepared from the following raw materials in parts by weight: 30 to 40 parts of SBS (Styrene Butadiene Styrene) modified asphalt, 15 to 25 parts of waterborne polyurethane resin, 5 to 10 parts of nano silicon dioxide, 3 to 5 parts of nano aluminum oxide, 3 to 8 parts of glass fiber, 10 to 15 parts of ground calcium carbonate, 1 to 2 parts of efficient dispersing agent, 0.5 to 1 part of organic silicon defoaming agent, 1 to 2 parts of hydroxypropyl methyl cellulose thickening agent, 1 to 2 parts of composite anti-rust agent and 15 to 25 parts of deionized water. 0.5 to 1 part of a stabilizer and 0.2 to 0.5 part of an antioxidant; a firm net-shaped structure is formed through the glass fibers, so that frictional wear caused by vehicles, pedestrians and natural factors is effectively resisted; the nano silicon dioxide and the nano aluminum oxide are used for filling pores, the surface hardness and the wear resistance are enhanced, the wear resistance of the coating is microcosmically and macroscopically improved by cooperating with the glass fibers, and the nano material is good in stability and prevents the wear resistance from being reduced along with time.

An impact resistant shingle that includes a local polymer concentration (“LPC”) asphalt shingle coating is described. The LPC asphalt shingle coating includes a saturated polymer (“SP”) premix and a LPC premix blended and heated to between 320° F. and 500° F. for between 30 minutes and 240 minutes. The SP premix includes a bitumen feedstock and a cross-linking agent heated to between 320° F. and 500° F. and mixed for between 15 minutes and 60 minutes. The bitumen feedstock includes at least one of a bitumen and a rapid digestion process (“RDP”) compound that includes one of: an unmodified RDP compound, a modified RDP compound, an enhanced RDP compound, and a modified enhanced RDP compound. The LPC premix includes an asphalt feedstock and a cross-linking polymer heated to between 320° F. and 500° F. and mixed for 1 minute to 60 minutes.

The invention relates to the technical field of waterproof coatings, in particular to a photo-initiation cold coating type non-curing rubber asphalt waterproof coating and a preparation method thereof, and the photo-initiation cold coating type non-curing rubber asphalt waterproof coating comprises an asphalt-based main material, a photo-curing agent and epoxy resin; the light curing agent is composed of a photoinitiator, a rubber monomer and a hindered amine light stabilizer, and the photoinitiator comprises a benzothiophene compound; the waterproof coating is in a single-component paste state, can be constructed at normal temperature, and is cured to form a waterproof coating film after being irradiated by ultraviolet rays; according to the technical scheme, a cross-linking system of the light curing agent and the epoxy resin not only keeps the creep deformation and self-healing characteristics of non-cured rubber asphalt, but also improves the heat resistance, acid, alkali and salt resistance and bonding performance of a coating film through a three-dimensional network cross-linking structure, and it is ensured that a waterproof layer adapts to building structure deformation and severe environments for a long time.

The invention discloses a single-component microcapsule type non-cured rubber asphalt waterproof coating and a preparation method thereof, and belongs to the technical field of waterproof coatings, and the single-component microcapsule type non-cured rubber asphalt waterproof coating is mainly composed of an asphalt component and a microcapsule component. The asphalt component is composed of 39-49% of asphalt, 1% of rubber oil, 10% of a modifier (composed of 4% of styrene butadiene rubber, 4% of paraffin powder and 2% of styrene-butadiene-styrene), 8% of soybean oil, 22-32% of talcum powder and heavy calcium carbonate filler (in a ratio of 1: 1), 4% of carbamate and 6% of a polyamide curing agent. The microcapsule component takes epoxy resin, glass fiber and mica powder as core materials, and the capsule wall is obtained by reacting ethyl methacrylate, methyl methacrylate, an initiator and a dispersing agent at a constant temperature of 80 DEG C. According to the application, direct spraying at normal temperature in the spraying process can be realized, the labor cost is reduced, the problem of uneven spraying is solved, and the long-term durability of the waterproof coating can be improved due to the slow release effect of the capsule.

The invention relates to a method for waterproofing a substrate (1) comprising steps of: I) Heating a hot melt bitumen membrane composition to provide a molten bitumen composition, II) Applying a layer of the molten bitumen composition to a surface of the substrate (1) to form a first bitumen layer (2), III) Covering at least a portion of an upper surface of the first bitumen layer (2) with a prefabricated reinforcement membrane (3), and IV) Applying a layer of the molten bitumen composition to an upper surface of the prefabricated reinforcement membrane (3) to form a second bitumen layer (2'), wherein the prefabricated reinforcement membrane (3) comprises a polymer-modified bitumen layer (4) comprising: a) Bitumen B1 and b) At least one first modifying polymer MP1.