269results about "Bituminous material adhesives" patented technology

The invention belongs to the technical field of road engineering materials, and discloses a wide-temperature-range crack pouring adhesive based on rubber modified asphalt and a preparation method thereof.The wide-temperature-range crack pouring adhesive is prepared by taking the rubber modified asphalt as a matrix through a response surface method and adding SBS, basalt fibers and a modifier. The performance of the material is tested through a conventional test, and meanwhile, a test with more characteristics in northeast regions is provided, and the performance of the material is detected through injection depth, viscosity, low-temperature stretching after aging and freeze-thaw cycle stretching. Results show that a test designed by a response surface method has very strong reliability, and the modified heating type crack pouring adhesive added with the basalt fiber can significantly improve the high and low temperature performance of the crack pouring adhesive, and also has good anti-aging performance and freeze-thaw cycle resistance. And the filling depth and the viscosity of the sealant are not obviously lower than those of the same type of sealant.

The invention discloses an anti-skid and long-service-life assembled bio-based modified pavement and a preparation process of the anti-skid and long-service-life assembled bio-based modified pavement. According to the assembly type bio-based modified pavement with the lasting function, main diseases existing in a current pavement are effectively solved from the aspects of water sealing, cracking prevention, high skid resistance and the like, the pavement has the advantages that a carpet type pavement is conventionally rollable and convenient and rapid to construct, and due to the high-performance characteristics of a cementing material and a binding material, the pavement is extremely thin and is only 3-7 mm in thickness, so that the pavement has the lasting function. And the composite material has the characteristics of high toughness (the elongation at break can reach 20-50%), high elasticity and high binding power, can be bent and folded, can inhibit multi-scale cracks of the existing pavement structure, and can still ensure the overall effect of the composite material even if a wide crack of 2cm is reached.

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 invention provides a petroleum-based adhesive for a prebaked anode and a preparation method of the petroleum-based adhesive, and relates to the technical field of prebaked anode production. The preparation method of the petroleum-based adhesive comprises the following steps: mixing residual oil with an activating agent, then heating to carry out a first polymerization reaction, and cooling after the reaction to obtain a modified adhesive; and mixing the obtained modified binder with a fraction obtained after reduced pressure distillation of catalytic slurry oil, heating and melting, sealing, heating, carrying out a second polymerization reaction, and cooling after the reaction to obtain the petroleum-based binder for the prebaked anode. A two-stage thermal polymerization method is adopted, the first stage is a medium and low temperature thermal polymerization method, small molecules in residual oil are subjected to medium and low temperature thermal polymerization modification, and the carbon residue rate of asphalt can be increased; the second-stage thermal polymerization mainly enables part of unreacted groups of the first-stage modified adhesive to continue to be subjected to thermal polymerization reaction with the treated catalytic slurry oil at high temperature, and the high-residual-carbon low-viscosity adhesive coal pitch for the prebaked anode is obtained.

The invention provides a high-temperature pavement crack pouring adhesive and a preparation method thereof, and relates to the technical field of pavement maintenance, the high-temperature pavement crack pouring adhesive comprises the following components: a premix, a polymer modifier, a tackifier, a stabilizer and a filler; and the filler contains a finely separated recycled material. The high-temperature pavement crack pouring adhesive has the characteristics of high temperature and high resilience by adding the rubber modified asphalt, the low-temperature performance is improved by adding the polymer modifier, the viscosity, toughness and durability are ensured by adding the tackifier, the stability and aging resistance are ensured by adding the stabilizer, all the materials play a synergistic effect, the comprehensive performance of the crack pouring adhesive is balanced, and the service life of the crack pouring adhesive is prolonged. According to the present invention, by adding the fine separation reclaimed material, the crack pouring adhesive has characteristics of good high temperature stability, low temperature performance balance, elastic recovery performance balance, environmental adaptability, low high temperature viscosity, balanced performance, convenient construction and low cost, and the simple and efficient regeneration utilization of the fine separation reclaimed material is achieved by adding the fine separation reclaimed material, the problem that the recycling rate of fine separation recycled materials is low is solved.

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 present invention relates to the field of building waterproof materials, and in particular to a corrosion-resistant wet-laid waterproof coiled material and a preparation method and application thereof. The waterproof coiled material comprises a reinforcing layer and a glue layer which are stacked; wherein the reinforcing layer contains a glass fiber cloth, a polyurethane emulsion coating, and an aqueous fluorocarbon emulsion resin coating which are stacked in sequence; the glass fiber cloth is a medium-alkali glass fiber cloth, and based on the total mass of the glass fiber cloth, the sodium content of the glass fiber cloth is 11.9-14.5wt%; the glue layer is formed by a glue layer raw material, and the glue layer raw material contains asphalt, cyclohexane oil, decabromodiphenylethane, SBS modifier, SIS thermoplastic elastomer, coumarone resin, di-tert-butyl peroxide, and light calcium carbonate. The waterproof coiled material has enhanced flame retardancy and chemical corrosion resistance on the basis of its original good waterproof performance.

The invention belongs to the technical field of electrode paste. The invention provides a bio-based binder. The invention also provides a preparation method of the bio-based binder. The invention also provides an electrode paste based on the bio-based binder. The electrode paste 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, wherein the bio-based binder comprises alcohol with the purity of 55%-65%, vegetable pitch, syrup and starch, and the mass ratio of the alcohol to the vegetable pitch to the syrup to the starch is (20-25): (150-170): (70-85): (90-110). The invention further provides a preparation method of the electrode paste based on the bio-based binder, the prepared binder is environmentally friendly and good in uniformity, and meanwhile the cold ramming paste prepared according to the preparation method of the cold ramming paste is high in mechanical strength and low in porosity.

The invention relates to the field of waterproof coiled materials, and discloses a modified waterproof coiled material based on a waste high polymer material and a preparation method thereof, and the modified waterproof coiled material comprises 40%-50% of waste thermoplastic polyurethane, 25%-30% of waste rubber powder, 15%-20% of asphalt, 5%-7% of nano-silica, 1%-2% of a silane coupling agent, 3%-5% of tackifying resin and 0.5%-1% of an antioxidant. The modified waterproof coiled material is prepared from waste high polymer materials, nano silicon dioxide is modified by a silane coupling agent and then forms chemical bonding or strong physical adsorption with the surface of a base layer, the interface bonding strength is remarkably improved, meanwhile, the tackifying resin is added, the overall viscosity of the coiled material is further enhanced, and the service life of the coiled material is prolonged. The adhesive can be firmly bonded under various base layer conditions, hollowing and falling phenomena are effectively prevented, resource recycling is realized, dependence on increasingly short raw materials such as traditional petroleum asphalt, SBS and APP is reduced, the production cost is reduced, the market competitiveness of the product is improved, the pressure of waste high polymer materials on the environment is relieved, and the adhesive has good application prospects. The sustainable development concept is met.

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 self-repairing thermosetting asphalt cement and a preparation method and application thereof, and belongs to the technical field of road and bridge construction materials, the self-repairing thermosetting asphalt cement comprises a component A and a component B, the mass ratio of the component A to the component B is 100: (50-120); the component A is prepared from the following components in parts by mass: 100 parts of a polyurethane prepolymer and 70 to 150 parts of a prepolymer diluent; the component B comprises the following components in parts by mass: 20-90 parts of asphalt, 30-80 parts of a curing agent, 0.2-1 part of branched graphene, 10-60 parts of an asphalt diluent and 6-40 parts of a compatilizer. The asphalt cement disclosed by the invention has excellent bonding performance, mechanical strength and toughness, is mainly suitable for paving high-grade pavements such as steel bridge decks, urban viaducts, cement concrete bridge decks, tunnels and expressways, and can be used for repairing cracks and pit slots of asphalt and cement pavements.

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.

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.

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.

A sealant pouch system for adhering roofing shingles includes a plurality of pouches containing an adhesive with a viscosity of 25 cps to 2500 cps. Each pouch comprises an outer film that encases the adhesive and is configured to rupture when subjected to a sufficient force or a temperature above a predetermined threshold. The method of installation involves placing the pouches on the reveal portion of shingles in a first row, installing a second row of shingles to overlap the first row, and applying sufficient force to rupture the pouches, causing the adhesive to contact both the headlap and reveal portions of the shingles, thereby sealing the rows together. The pouches may have various shapes and are designed to prevent rolling or sliding off sloped roof decks.

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.