205results about "Bituminous material adhesives" patented technology

The invention relates to the technical field of waterproof coiled materials, and provides a tensile double-lap-joint polymeric membrane base waterproof coiled material which sequentially comprises a first isolating membrane, a first permeable reaction adhesive layer, a first polymeric membrane base layer, a second permeable reaction adhesive layer, a second polymeric membrane base layer, a third permeable reaction adhesive layer and a surface layer from bottom to top, the surface layer is formed by connecting a second isolating membrane and an anti-sticking layer; a first lapping opening and a second lapping opening are formed in the two sides of the second permeable reaction adhesive layer respectively, the second isolating membrane and the first lapping opening are located on the two sides of the anti-sticking layer respectively, a third isolating membrane and a fourth isolating membrane are arranged on the inner wall of the first lapping opening, and a fifth isolating membrane and a sixth isolating membrane are arranged on the inner wall of the second lapping opening. Through the technical scheme, the problems of low peeling strength and poor adhesiveness of the overlapping edge of the waterproof roll in the related technology are further improved and solved.

The invention relates to the technical field of rubber asphalt, in particular to a pavement rubber asphalt crack pouring adhesive and a preparation method thereof. The pavement rubber asphalt crack pouring adhesive is prepared from the following components in parts by mass: asphalt, rubber powder, a compatilizer, modified silicon dioxide, a silane coupling agent and an auxiliary agent, according to the pavement rubber asphalt crack pouring adhesive, asphalt, rubber powder and modified silicon dioxide are compounded; the preparation method comprises the following steps: treating nano silicon dioxide by adopting a KH570 silane coupling agent, introducing unsaturated double bonds into the nano silicon dioxide, then carrying out free radical polymerization on the nano silicon dioxide, alpha-octadecene and sulfobetaine methacrylate under the catalysis of BPO, and respectively introducing long-chain alkyl, sulfo and betaine groups into the modified nano silicon dioxide, so as to obtain the modified nano silicon dioxide. The interfacial compatibility among the components is improved, so that the high-temperature stability and the mechanical property of the crack pouring adhesive are improved.

The invention relates to the technical field of waterproof coiled materials, and particularly discloses a self-adhesive modified rubber asphalt waterproof coiled material and a preparation method thereof. The self-adhesive modified rubber asphalt waterproof coiled material comprises a surface isolating membrane, an asphalt layer, a reinforcing layer and a bottom surface isolating membrane from bottom to top, and the asphalt layer comprises the following raw materials: regenerated rubber modified asphalt, SEBS, terpene resin, polyisobutene amine, an antioxidant and an ultraviolet light absorber; the surface isolating membrane and the bottom isolating membrane are selected from sand surface isolating membranes, and the thickness of the surface isolating membrane and the bottom isolating membrane is 0.8-1.2 mm; and the reinforcing layer is a long-fiber polyester base reinforcing layer. The tensile strength of the self-adhesive modified rubber asphalt waterproof coiled material is 4.5-5.6 N / mm < 2 >, the self-adhesive modified rubber asphalt waterproof coiled material does not flow or drip at 70 DEG C and does not crack at-30 DEG C, the self-adhesive modified rubber asphalt waterproof coiled material has high use performance, the joint peel strength of the waterproof coiled material is 3.2-4.2 N / mm, the holding power is greater than 15 min, and the self-adhesive property of the waterproof coiled material is improved.

The present application belongs to the technical field of electrode paste. The present application provides a bio-based binder. The present application also provides a preparation method of the bio-based binder. The present application further provides an electrode paste based on the bio-based binder, which comprises 80-90 parts by mass of aggregate, 10-20 parts by mass of the bio-based binder, and 0.7-1.2 parts by mass of attapulgite. The bio-based binder comprises alcohol with a purity of 55-65%, vegetable pitch, syrup, and starch, and the mass ratio of the alcohol, the vegetable pitch, the syrup, and the starch is (20-25):(150-170):(70-85):(90-110). The present application also provides a preparation method of the electrode paste based on the bio-based binder. The prepared binder is environmentally friendly and has good uniformity. Meanwhile, the cold ramming paste prepared according to the preparation method of the cold ramming paste has high mechanical strength and low porosity.

The invention belongs to the technical field of polymer sealants, and particularly relates to a silane modified sealant for hollow glass and a preparation method of the silane modified sealant. The modified asphalt is characterized by comprising a component A and a component B, wherein the component A mainly comprises hydroxyl-terminated polybutadiene, asphalt, a plasticizer, a filler, carbon black and a thixotropic agent; the component B is mainly prepared from isocyanate silane, a cross-linking agent, a coupling agent and a catalyst. According to the invention, hydroxyl-terminated polybutadiene is used as basic polymerization, a main chain is a carbon-carbon straight chain and has good compatibility with petroleum asphalt, a compact structure can be formed, and meanwhile, high-activity isocyanate silane and hydroxyl-terminated polybutadiene are terminated to form silane terminated polybutadiene, so that the flame retardance of the petroleum asphalt is improved, and the flame retardance of the petroleum asphalt is improved. And finally, a net structure with excellent weather resistance is formed through siloxane cross-linking and curing, so that the hollow glass has good water-gas sealing property and excellent weather resistance for structural bonding, and therefore, when the hollow glass is manufactured, only one layer of glue is required to be coated, a butyl rubber coating process is reduced, material waste is reduced, and the production efficiency is improved at the same time.

The invention relates to a composite flexible asphalt-based anti-corrosion paste and a preparation method thereof.The composite flexible asphalt-based anti-corrosion paste is divided into four layers including a hydrophobic blocking layer, high-temperature-resistant anti-corrosion cloth, a low-temperature flexible anti-corrosion bonding layer and an isolating membrane, and the hydrophobic blocking layer comprises a blocking layer A, a blocking layer B, a blocking layer C, a blocking layer D and a blocking layer E which are sequentially connected. The isolating membrane is a bonding layer protective membrane before construction and is torn off during construction, and the low-temperature flexible anti-corrosion bonding layer is bonded with the traffic isolating wall. The product provided by the invention has multiple properties of high binding power, low-temperature construction, high and low temperature resistance, freeze thawing resistance, aging resistance, salt resistance, ultraviolet resistance, acid and alkali corrosion resistance, water resistance and the like, effectively defends permeation of chloride ions and saline water, prevents corrosion of a snow-melting agent to the cement concrete anti-collision wall, and prolongs the anti-corrosion maintenance interval of the anti-collision wall to 3-5 years or more. The product can be well adhered to an anti-collision wall in a low-temperature state, and the apparent color of the material is not changed after the material is corroded by a snow melting agent.

The invention discloses a resin type bio-based high-viscosity adhesive material for an anti-skid wearing layer pavement and a preparation method of the resin type bio-based high-viscosity adhesive material, and belongs to the technical field of road engineering materials. The resin type bio-based high-viscosity glue material for the anti-skid wearing layer pavement is prepared from the following raw materials: asphalt, vulcanized rubber powder, a resin matrix, a tackifier, a curing agent, a plasticizer, an antioxidant, a heat stabilizer and an auxiliary agent. Wherein the asphalt is a mixture of plant asphalt, coal asphalt and petroleum asphalt; the resin matrix is a mixture of polyurethane resin, epoxy resin, a polystyrene-butadiene copolymer, 2-methylpropyl methacrylate and a polymer of styrene and 2-ethylhexyl acrylate. The high-viscosity glue provided by the invention not only remarkably improves the bonding capacity of the resin type bio-base of the prefabricated pavement and the original road surface, but also greatly improves the wear resistance, weather resistance, high cohesiveness and toughness of the material, and remarkably improves the pavement performance of the resin type bio-base of the prefabricated pavement.

Methods and systems for producing an agglomerated recycled plastic for use in asphalt products is provided. The method of various embodiments can comprise loading a quantity of recycled plastic into a chamber with a cutting apparatus configured to produce agglomerated plastic particles, running the cutting apparatus for a first interval to produce an intermediate agglomerate, maintaining a chamber air temperature during the first interval, adding a first amount of water to the chamber after the first interval, running the cutting apparatus for a second interval with the intermediate agglomerate to produce a plurality of agglomerated plastic particles adapted for use in asphalt production, and discharging the plurality of agglomerated plastic particles from the chamber after the second interval.

The invention relates to the technical field of waterproof coiled materials, in particular to an anti-ultraviolet SBS waterproof coiled material and a preparation method thereof.The waterproof coiled material comprises a base layer, an anti-ultraviolet SBS asphalt layer and a thin film layer, the anti-ultraviolet SBS asphalt layer comprises asphalt, an SBS elastomer, asphalt softening oil, an anti-aging waterproof multifunctional agent, composite filler, an initiator and the like, and the thin film layer is prepared from the following components; the anti-aging waterproof multifunctional agent prepared by the invention takes macromolecular polysiloxane as a main chain and simultaneously contains a double hindered amine structure and a benzoxazole structure, and the benzoxazole structure not only can cooperate with a polysiloxane structure to improve the thermal aging resistance of a material, but also can endow a coiled material with a rigid structure; the double hindered amine structure has better ultraviolet aging resistance and does not influence the improvement of silicon-oxygen bonds on the waterproof performance of the coiled material, and the functional agent can make the asphalt coiled material become a coiled material resistant to thermal aging, ultraviolet aging and chemical substance erosion.

The application discloses an epoxy asphalt binder and a preparation method thereof, and belongs to the technical field of asphalt preparation, in particular relates to the binder which is composed of modified asphalt, epoxy resin material, compatilizer and anti-aging agent, and the mass ratio of the modified asphalt, the epoxy resin material, the compatilizer and the anti-aging agent is 100:15-60:5-10:0.1-0.5.The epoxy asphalt binder prepared by the application has excellent bonding performance and flexibility, in particular, the bonding performance at high temperature is significantly better than that of modified emulsified asphalt or polymer modified asphalt, and the flexibility is better than that of epoxy resin binder.

The invention belongs to the technical field of steel bridge pavement, and particularly discloses a high-viscosity asphalt double-layer SMA pavement layer structure and a construction technology thereof. The high-viscosity asphalt double-layer SMA pavement layer structure comprises an upper pavement layer, a waterproof bonding layer and a lower pavement layer, the upper pavement layer is laid on the lower pavement layer, the upper pavement layer comprises fine aggregate, limestone powder, modified asphalt, basalt fibers and a Wenn glue mixture, the thickness of the upper pavement layer is 35-40 mm, and the thickness of the waterproof bonding layer is 10-20 mm. The waterproof bonding layer comprises modified asphalt, epoxy resin, a silane coupling agent, a curing agent, a curing accelerator, butadiene styrene rubber, a silane coupling agent and talcum powder, the thickness of the waterproof bonding layer is 0.5-1 mm, and the lower pavement layer comprises coarse aggregate, modified asphalt, acrylonitrile-butadiene-styrene copolymer, porous ceramic particles, rubber particles, calcium stearate and waterborne polyurethane. And the thickness of the lower paving layer is 10-15mm. Various raw materials are mixed, so that the strength and durability of the pavement layer structure are improved, and the service life of the pavement is prolonged.

Aiming at the problems that the molecular weight of the existing SBS modified asphalt is broken and the rubber powder of the rubber asphalt is unstable to degrade, the composite modified asphalt binder with a dense molecular structure is prepared by a three-step method of constructing a'molecular grading template ', optimizing a rubber powder analysis process and filling vacancy molecules. The process comprises the following steps: determining an asphalt molecular weight distribution template by taking the optimal rheological property as a target, and regulating and controlling the rubber powder analysis temperature (180-220 DEG C), the time (3-6 hours) and the stirring speed (500-1500 r / min) to ensure that the molecular weight distribution overlapping degree of a rubber powder analysis system and the template is greater than or equal to 85%; and finally, filling corresponding prototype compounds (such as styrene-butadiene block copolymers, antioxidants and the like) according to molecular vacancy types of an analysis system and the template to form a dense molecular structure. The prepared binder is continuous and stable in molecular weight distribution, the high-temperature anti-rutting factor is improved by 40% or above, the anti-aging performance is improved by 30%, the binder is suitable for a highway surface layer with the service life of 30 years, and the service life of a pavement can be remarkably prolonged.

The application provides a petroleum-based binder for prebaked anodes and a preparation method thereof, and relates to the technical field of prebaked anode production. The preparation of the petroleum-based binder comprises the following steps: mixing residual oil and an activating agent, then performing a first polymerization reaction by heating, cooling after the reaction, and obtaining a modified binder; mixing the obtained modified binder with a vacuum distillation fraction of catalytic slurry oil, then melting by heating, sealing, heating, performing a second polymerization reaction, cooling after the reaction, and obtaining the petroleum-based binder for prebaked anodes. The two-stage thermal polymerization method is adopted, the first stage is a medium-low temperature thermal polymerization method, the small molecules in the residual oil are modified by the medium-low temperature thermal polymerization, and the carbon residue rate of the pitch is improved; the second stage of thermal polymerization mainly makes the unreacted groups of the modified binder in the first stage continue to perform a thermal polymerization reaction with the treated catalytic slurry oil at high temperature, and the modified binder coal pitch for prebaked anodes with high carbon residue and low viscosity is obtained.

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.

Embodiments of the present disclosure generally relate to extracts of coal, compositions thereof, and uses thereof. Embodiments of the present disclosure also generally relate to processes for extracting coal. In an embodiment is provided a composition that includes a C4 to C28 alcohol extract of coal. In another embodiment, compositions that include a C4 to C28 alcohol extract of coal are utilized in blends, pavement formulations, crack sealants, shingle coatings, adhesives, fuels, and asphalt or bitumen compositions that resist flow at ambient temperature. In another embodiment, compositions that include a C4 to C28 alcohol extract of coal are converted to a reaction product, where the reaction product is utilized in a pavement formulation or an anti-stripping agent.

The present invention relates to the technical field of waterproofing coiled materials, and discloses a weather-resistant exposed coating composite waterproofing coiled material and a preparation method thereof. The waterproofing coiled material comprises a modified asphalt layer, an exposed coating composite layer, and a reinforcement layer which are sequentially stacked; the exposed coating composite layer contains a glass fiber cloth and a weather-resistant acrylic coating arranged on one side surface of the glass fiber cloth; the glass fiber cloth has a tensile breaking strength of 1500-2300N / 2.5cm and a gram weight of 450-850g / m 2 The waterproof roll material provided by the present invention can resist ultraviolet aging and has excellent weather resistance; it has strong adhesiveness, good tensile properties, and strong flame retardant properties; at the same time, it can be firmly bonded to the base surface and has high safety.

The invention discloses an adhesive taking waste edible oil as a raw material and a preparation method of the adhesive, and belongs to the technical field of waste resource utilization. The adhesive is prepared from the following components in percentage by mass: 50-60% of waste edible oil, 20-30% of asphalt, 2-5% of a dispersing agent, 2-5% of organic montmorillonite, 5-10% of butadiene styrene rubber, 1-3% of a solubilizer, 1-2% of a cross-linking agent, 1-2% of an anti-aging agent and 5-10% of petroleum resin. The adhesive prepared by the invention has excellent adhesion performance and water resistance, the green and environment-friendly bio-based adhesive with high adhesion strength and high water resistance is obtained by converting waste oil into valuable materials and adopting sustainable sources for preparation, and the problems existing in the traditional adhesive are solved. The waste edible oil is wide in source and low in price, the prepared adhesive is low in cost and has wide market prospects, the adhesive with different viscidity and curing time can be prepared by adjusting the raw material proportion and preparation conditions in the formula, and the requirements of different customers are met.

The invention discloses a water-based polymer cold-mixing crack pouring adhesive for road maintenance, which comprises a component A and a component B. The component A comprises unsaturated water-based epoxy resin, unsaturated rubber modified emulsified asphalt, a filler, an oxidant and an antioxidant, and the component B comprises a reducing agent, a water-based epoxy hardener, an accelerant and unsaturated rubber modified emulsified asphalt. The unsaturated water-borne epoxy resin and the unsaturated rubber modified emulsified asphalt can be cured at room temperature under the action of the oxidizing agent and the reducing agent, and the unsaturated water-borne epoxy resin and the water-borne epoxy curing agent can also be cured at room temperature, so that after the component A and the component B are mixed, a system can be subjected to dual-curing reaction, and the curing effect is good. And forming an interpenetrating network structure. Compared with the traditional crack pouring adhesive, the crack pouring adhesive does not need heating equipment, is low in consumption and can reduce the material cost; due to the excellent adhesion of an epoxy system, the crack pouring adhesive is firmly adhered to the wall surface of a crack, is not easy to debond and crack, and is durable.

The present invention discloses a type of self-repairing, self-adhesive, tireless polymer-modified asphalt waterproofing membrane, which uses asphalt, a repair agent containing an acylhydrazone bond and carbon-carbon double bonds at both ends, an initiator, an SBS modifier, an SBR modifier, a compatibilizer, rubber powder, and a filler as main raw materials. The present invention first uses olefinic monomers and dihydrazide monomers to prepare a repair agent containing an acylhydrazone bond and carbon-carbon double bonds at both ends. This repair agent undergoes an addition reaction with the carbon-carbon double bonds in SBS and SBR, introducing a dynamic acylhydrazone bond between the SBS and SBR molecular chains to impart excellent self-repairing capabilities to the self-adhesive, tireless polymer-modified asphalt waterproofing membrane. The membrane can also effectively improve the high and low temperature performance and aging resistance of SBS and SBR elastomer-modified asphalt waterproofing membranes. Furthermore, a bentonite fluid is prepared and used to prepare a weather-resistant self-adhesive polymer-modified asphalt, which can further improve the waterproofing membrane's aging resistance, low-temperature flexibility, and seam peel strength.

A retrograded diblock copolymer composition includes a monovinylaromatic monomer A polymerized with a conjugated diene monomer B to form a structure A-[A / B] wherein the [A / B] block is a copolymer of A and B monomers, said copolymer being retrograded, which means that the ratio of B to A near A blocks is lower relative to the ratio of B to A away from A blocks. The [A / B] block preferably has a vinyl content that is higher near the A block relative to the vinyl content away from the A block. The diblock copolymer is preferably partially coupled or formed with a multifunctional initiator to provide a mixture of a diblock copolymer composition and a linear (A-[A / B])-X-([B / A]-A) structure and / or a coupled radial and / or multi-arm (A-[A / B]) n-X structure wherein X is a residue of a coupling agent or initiator. Bitumen and binder compositions are prepared from the diblock copolymer compositions and mixtures.

The invention relates to a composite waterproof high-adaptability asphalt-based waterproof coiled material and a preparation method, the coiled material is composed of a self-adhesive glue material and a structural film / base, the self-adhesive glue material is a modified asphalt glue material, and the self-adhesive glue material is composed of 100 parts of national standard asphalt, 10-40 parts of composite modified rubber, 5-15 parts of naphthenic oil and 5-10 parts of tackifying resin. 30 to 45 parts of talcum powder, 0.5 to 1.5 parts of an antioxidant and 0.5 to 1.5 parts of a heat stabilizer. The composite modified rubber is prepared from the following components in parts by weight: 20-25 parts of styrene butadiene rubber, 8-20 parts of SBS rubber, 20-40 parts of naphthenic oil, 5-10 parts of a liquid tackifier, 0.5-1.2 parts of a separant and 5-10 parts of filler. The asphalt-based waterproof coiled material is formed by compounding the self-adhesive material, a macromolecular structure film and a polyester matrix, the waterproof coiled material can achieve a good composite bonding effect with a macromolecular coiled material, and it can be guaranteed that the two materials are well combined when used in a composite mode.

The invention belongs to the field of high polymer materials and road engineering materials, and provides a single-component road adhesive based on a polyurea asphalt technology and a preparation method of the single-component road adhesive. The adhesive is prepared by compounding an isocyanate-terminated prepolymer and macromolecular asphaltic acid, wherein the prepolymer is prepared by reacting diisocyanate with polycarbonate diol, and carrying out amine chain extension and silane end group modification; the macromolecular asphaltic acid is prepared by reacting maleic anhydride of asphalt with polyoxypropylene diamine and carrying out silane anchoring. The control parameters of the system are as follows: the equivalence ratio is 1.5-8.0, the isocyanate content is 4.0-10.0 wt%, and the viscosity is 10-80 Pa.s. The high-solid-content low-viscosity processing is realized, the bonding strength to a wet base material is 0.80-1.50 MPa, the adhesive has cracking resistance, flame retardance, heat resistance and yellowing resistance, and the problem that constructability, interface anchoring and durability of a traditional adhesive for roads are difficult to consider is solved. The method is suitable for the fields of road paving, crack sealing, water resistance, corrosion resistance and the like.

The present application provides a noise reduction asphalt composition and a construction method thereof, including a bonding layer, an aggregate and an aggregate. The bonding layer is prepared by modifying a base asphalt using a viscosity modifier and a noise reduction modifier, and then used in combination with the aggregate, thereby greatly improving the bonding force between the bonding layer and the aggregate. Through the waste red brick particles, glass wool, hollow silica nanospheres and the like in the noise reduction modifier, after the pavement is paved, a resonant noise reduction structure is formed on the surface layer of the road, and a porous sound-absorbing and noise-reducing structure is formed on the inner layer of the road, thereby greatly improving the noise reduction ability of the road, utilizing the structural characteristics of coal slag, improving the noise reduction performance of the road while utilizing waste, promoting the construction of an environmentally friendly society, and extending the service life of the pavement.

The present application relates to waterproofing membrane technical field, propose a kind of three base double-channel prefabricated bite lap waterproofing membrane with touch fastener, from bottom to top, in turn include anti-adhesive layer, first permeation reaction adhesive layer, first polymer film base layer, second permeation reaction adhesive layer, second polymer film base layer, third permeation reaction adhesive layer, third polymer film base layer, fourth permeation reaction adhesive layer, rough surface silk layer and hook face layer;The adhesive of first permeation reaction adhesive layer, second permeation reaction adhesive layer, third permeation reaction adhesive layer and fourth permeation reaction adhesive layer respectively independently includes following weight parts component raw materials: asphalt, softener, SBS, SIS, tackifier, rubber powder, filler, filler is composed of heavy calcium carbonate, magnesium stearate modified active calcium carbonate and hollow glass microsphere.By the above technical solution, the problem of poor fixing, low peel strength and heavy quality of waterproofing membrane in related art is solved.

The application belongs to the technical field of polymer materials, and discloses a high-elasticity and anti-cracking crack filling glue and a preparation method thereof. The high-elasticity and anti-cracking crack filling glue comprises the following raw materials: asphalt, thermoplastic elastomer, metallocene polyolefin elastomer, plasticizer, lead peroxide, silane coupling agent and stabilizer. The preparation method is as follows: the asphalt is heated to 180-200 DEG C, and then the thermoplastic elastomer, metallocene polyolefin elastomer, plasticizer, stabilizer, lead peroxide and silane coupling agent are added and uniformly mixed and dispersed by stirring; after the reaction is continuously carried out under the condition of heat preservation and stirring, the crack filling glue is obtained by cooling to room temperature. The crack filling glue of the application contains metallocene polyolefin elastomer, plasticizer and lead peroxide, and the synergistic effect among the three is utilized, so that the obtained crack filling glue has excellent aging resistance, low-temperature performance, adhesion and permeability.

The application discloses HUPC water-based epoxy floor paint and a preparation method thereof, and belongs to the technical field of floor paint preparation. The HUPC water-based epoxy floor paint is obtained by sequentially forming UHPC super-performance concrete components, adhesive layer material components and water-based epoxy floor paint components from bottom to top in a mass ratio of 150-250:0.3-1:3-10, and has a microporous structure, allows water vapor to permeate but liquid medium to not pass through, and releases the pressure of water vapor in the UHPC super-performance concrete layer, thereby avoiding problems such as film bubbling and peeling, has the advantages of high strength, good adhesion and permeation resistance, solves the defects of current floor paint, such as easy sanding and pulverization, insufficient strength, delamination caused by false clear light and poor flatness, and has a good application prospect.

The present invention relates to the technical field of waterproof roll materials, and provides a root-puncture-resistant double-lap-joint double-polymeric-membrane-based waterproof roll material and a preparation method therefor. The waterproof roll material comprises an anti-sticking layer, a first adhesive layer, a first polymeric membrane base layer, a second adhesive layer, a second polymeric membrane base layer, a third adhesive layer and an isolating membrane, which are sequentially arranged from top to bottom, wherein the first polymeric membrane base layer and the second polymeric membrane base layer each independently comprise the following components: polyethylene terephthalate, polypropylene, magnesium silicate and an anti-aging agent; and the first adhesive layer, the second adhesive layer and the third adhesive layer each independently comprise the following components: asphalt, an ethylene-vinyl acetate copolymer, a styrene-butadiene-styrene copolymer, a tackifier and a root inhibitor, the tackifier comprising sodium polyacrylate and manganese dioxide. By means of the technical solution, the problem of relatively poor resistance to root puncture of a waterproof roll material in the prior art is solved.

The invention relates to binder asphalt and a method for improving composition uniformity of oil binder asphalt, the binder asphalt is composed of an oil raw material and a thermal polymerization reaction control agent, and the method comprises the following steps: adding the oil raw material with a set mass into a reactor, heating the thermal polymerization reaction control agent according to a set proportion, adding the heated thermal polymerization reaction control agent into the reactor, and reacting for 1-2 hours; and heating the reactor according to a set heating rate, preserving heat for 1-7 hours, naturally cooling to 320-400 DEG C, slowly releasing the pressure to normal pressure, cooling the material in the reactor to 280-380 DEG C, conveying the material to a granulation device, and granulating to obtain the oil binder asphalt. According to the method, by-products in the oil refining industry are used as raw materials, and the coal thermal polymerization reaction control agent is added in the thermal modification process, so that excessive polymerization of asphaltene components in the oil raw materials is controlled, and the problems of asphalt layering and low coking value of an oil binder are solved; and finally, low-cost preparation of the oil binder asphalt with uniform molecular weight distribution, high coking value and low viscosity is realized.

Disclosed herein are compositions comprising asphalt emulsion compositions with styrene-butadiene latexes. The present disclosure also relates to methods of making the disclosed compositions. The compositions disclosed herein can be used in a variety of applications including, but not limited to, asphalt compositions, paints, coatings, carpet compositions, paper binding and coating compositions, tack coats, foams, or adhesives.

The present application relates to the technical field of road engineering materials, and particularly relates to a rubber asphalt sealant for repairing cracks in asphalt concrete pavement and a preparation method thereof, which comprises, by weight fraction, 100 parts of road petroleum asphalt, 25-45 parts of a composite rubber system, 8-18 parts of double-modified nano-silicon dioxide, 25-42 parts of softening oil, 2-5 parts of an interface compatibilizer, 4-7 parts of a vulcanization system, 1.5-4 parts of a rubber activator, 0.8-2.5 parts of an antioxidant, and 4-9 parts of a tackifier. The present application solves the core technical defects of existing pavement sealants by optimizing the performance of the sealant from the two dimensions of material composition and preparation process through the synergistic effect of the composite rubber system, double-modified nano-filler and multiple compounded additives, and in combination with a gradient preparation process.