14results about "Bituminous material adhesives" patented technology

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 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.

The present application relates to the technical field of road material recycling, and particularly relates to an environment-friendly pouring sealant for asphalt pavement repair and a preparation method thereof.The environment-friendly pouring sealant for asphalt pavement repair is prepared from base asphalt, waste and old asphalt milling material, high-stability waste and old rubber pyrolysis oil, carbon black, styrene-butadiene-styrene block copolymer, a compatilizer and a stabilizer, realizes the resource recycling of pavement milling material, waste and old plastic and rubber tires, and relieves the dual problems of solid waste accumulation and resource shortage.The environment-friendly pouring sealant for asphalt pavement repair is prepared from solid waste resources at low cost, and can be better applied to the asphalt pavement crack repair operation.

This invention relates to the field of road materials technology, specifically to a high-performance tack coat material for polyurethane porous elastic mixture pavements and its preparation method. The raw material components of the high-performance tack coat material include: functional polyurethane, asphalt, emulsifier, and water; the functional polyurethane is obtained by reacting a hydrolyzable isocyanate, a hydrolyzable polyol, and a strong hydrogen-bonding chain extender. The high-performance tack coat material prepared by this invention possesses excellent shear strength and hydrolysis resistance, and can establish a chemical bond with the upper polyurethane porous elastic mixture pavement and form strong hydrogen bonds with the underlying asphalt mixture, thereby significantly improving interlayer adhesion and enhancing the stability of the pavement structure. Furthermore, due to the elastic effect of the polyurethane in the high-performance tack coat material, it can buffer the traffic load transmitted from the road surface, further reducing the possibility of interlayer failure.

This invention relates to the field of waterproof membrane technology, and proposes a waterproof membrane and its preparation method. A waterproof membrane, from top to bottom, comprises a first release layer, a first self-adhesive layer, a polypropylene polymer layer, a second self-adhesive layer, and a second release layer. The materials of the first and second self-adhesive layers are both polymer-modified bitumen. The raw materials of the polymer-modified bitumen include the following components by weight: 70-80 parts bitumen, 8-10 parts styrene-butadiene-styrene block copolymer, 5-8 parts adhesive powder, 6-8 parts softening oil, 4-5 parts inorganic filler I, and 4-6 parts additives. The additives are composed of hydroxyl-terminated polybutadiene and hydroxyl vinyl silicone oil in a mass ratio of 5:1-2. The raw materials of the polypropylene polymer layer include the following components by weight: 100 parts polypropylene and 8-12 parts silane-modified inorganic filler. This technical solution solves the problem of low mechanical strength in waterproof membranes in related technologies.

This invention relates to the field of waterproof membrane technology, and proposes a three-layer polymer self-adhesive pre-laid waterproof membrane and its preparation method. The three-layer polymer self-adhesive pre-laid waterproof membrane, from top to bottom, comprises a protective layer, adhesive layer I, polymer film layer I, adhesive layer II, polymer film layer II, adhesive layer III, polymer film layer III, a self-adhesive layer, and a release layer. At least one of adhesive layer I, adhesive layer II, adhesive layer III, and the self-adhesive layer includes the following components: styrene-butadiene-styrene block copolymer, asphalt, carboxylated styrene-butadiene rubber, tetraneedle-shaped zinc oxide whiskers I and II, and additives. Tetraneedle-shaped zinc oxide whisker I is a compound modifying tetraneedle-shaped zinc oxide whisker with phenyl and epoxy groups in its molecular structure, and tetraneedle-shaped zinc oxide whisker II is an aminosiloxane modified tetraneedle-shaped zinc oxide whisker. This technical solution solves the problem of poor puncture resistance in pre-laid waterproof membranes in related technologies.

The application relates to the technical field of waterproof coiled materials, and discloses a self-protection high-molecular self-adhesive waterproof coiled material with magic tape, which comprises, from bottom to top, an anti-adhesion layer, a lower high-temperature-resistant anti-cracking reaction adhesive layer, a high-strength matrix layer, an upper high-temperature-resistant anti-cracking reaction adhesive layer, a magic tape rough surface wire loop layer and a magic tape hook surface layer. The lower high-temperature-resistant anti-cracking reaction adhesive layer and the upper high-temperature-resistant anti-cracking reaction adhesive layer each independently comprise the following components by weight: bitumen, a softening agent, a styrene-butadiene block copolymer, solution-polymerized styrene-butadiene rubber, an adhesion promoter, rubber powder, organic fiber, a compatibilizer and a filler. The solution-polymerized styrene-butadiene rubber is composed of first solution-polymerized styrene-butadiene rubber and second solution-polymerized styrene-butadiene rubber, and the styrene content of the first solution-polymerized styrene-butadiene rubber and the second solution-polymerized styrene-butadiene rubber is different. Through the technical scheme, the problem of insufficient temperature resistance of the high-molecular self-adhesive waterproof coiled material in the related art is solved.

The application belongs to the technical field of waterproof coiled material, and particularly discloses a modified asphalt cold-applied waterproof coiled material and a preparation method thereof, which comprises a polymer sheet layer, a modified asphalt self-adhesive layer coated on both sides of the polymer sheet layer, and a protective film attached to the surface of the modified asphalt self-adhesive layer; the modified asphalt self-adhesive layer is treated by an interface modification component before being coated on the polymer sheet layer, and the interface modification component comprises, by weight percentage, 2-3% of a silane coupling agent, 1-2% of polypropylene bundle crosslinked fibers, and 2-3% of glycidyl methacrylate. The application enhances the adhesion, tensile strength and peeling strength of the coiled material, and promotes further improvement of the comprehensive performance of the asphalt waterproof coiled material.

The present application relates to a kind of anti-aging self-adhesive asphalt sizing and preparation method and application, including the following components: petroleum pitch, styrene-butadiene rubber, modified amino cellulose nanocrystal powder, styrene-butadiene-styrene block copolymer, polysiloxane, inorganic filler, coupling agent, base oil.The present application can be used in self-adhesive waterproofing membrane, has excellent resistance to multiple aging performance, long service life, has good application prospect.

The present application relates to waterproofing membrane technical field, propose a kind of self-adhesive modified asphalt waterproofing membrane and preparation method thereof, self-adhesive modified asphalt waterproofing membrane is from top to bottom in turn upper surface isolation layer, upper layer modified asphalt layer, upper layer polyester base layer, intermediate modified asphalt layer, lower layer polyester base layer, lower layer modified asphalt layer, lower surface isolation layer;Intermediate modified asphalt layer, lower layer modified asphalt layer are self-adhesive modified asphalt compound;The raw material of self-adhesive modified asphalt compound includes the following components: asphalt, styrene-butadiene-styrene block copolymer, styrene-butadiene rubber, softener, polyethylene wax, stabilizer, tackifying resin, modified talc powder;Tackifying resin includes octyl phenolic tackifying resin, C5 petroleum tackifying resin.Through the above technical scheme, the problem of insufficient peel strength of self-adhesive modified asphalt waterproofing membrane in related art is solved.

The application provides a preparation method of a nano-penetrating reaction-adhesive high-molecular waterproof roll material and belongs to the technical field of waterproof roll materials. The nano-penetrating reaction-adhesive high-molecular rubber material is prepared by taking asphalt, naphthenic oil, epoxy resin, polysulfide rubber, a bitumen modifier, petroleum resin, a ketone imine curing agent, a silane coupling agent and calcium carbonate as raw materials, and then the nano-penetrating reaction-adhesive high-molecular rubber material is compounded with a carcass layer and a release film to obtain the nano-penetrating reaction-adhesive high-molecular waterproof roll material. The synergistic mechanism of 'chemical bonding + physical anchoring + ultrahigh cohesive strength' is used to improve the peeling strength with cement mortar.

This invention provides a method for preparing modified asphalt, comprising the following steps: adding a crosslinking agent to petroleum-based heavy oil slurry to carry out an oxidative crosslinking reaction, followed by cooling and molding; wherein the crosslinking agent is selected from at least one of epoxy resin, diallyl phthalate, and C2-C8 diol compounds. The crosslinking agent selected in the preparation method of this invention requires a smaller amount compared to existing peroxide crosslinking agents, and can lower the temperature of the oxidative crosslinking reaction. This invention also provides a modified asphalt prepared by the above method and its application.

The application provides a sealing glue for dry batteries and a preparation method thereof, and the preparation raw materials include the following components in parts by weight: asphalt 30-40 parts, ethylene-propylene-diene rubber 12-20 parts, polyvinyl chloride 6-10 parts, epoxy grafted ethylene-propylene-diene rubber-chlorinated polyethylene blend 8-12 parts, epoxidized natural rubber 3-5 parts, modified nano calcium carbonate 6-10 parts, hydrophobic fumed nano silicon dioxide 2-4 parts, dioctyl adipate 4-6 parts, calcium-zinc composite heat stabilizer 1-2 parts, silane coupling agent 0.5-1.5 parts, vulcanization system 2.0-3.5 parts. The sealing glue for dry batteries provided by the application is compounded by asphalt, ethylene-propylene-diene rubber, polyvinyl chloride and the like, and has good sealing property, adhesion, weather resistance, low-temperature toughness, and can effectively prevent metal pole corrosion.

This application relates to the field of building waterproofing, specifically disclosing a double-layer pre-laid waterproof membrane and its preparation method. The double-layer pre-laid waterproof membrane includes a silicone oil film layer, a first asphalt self-adhesive layer, a polyester base layer, a second asphalt self-adhesive layer, a polyethylene base layer, a third asphalt self-adhesive layer, and an anti-adhesive layer. The raw materials of the polyethylene base layer include: 50-60 parts linear low-density polyethylene, 8-10 parts EVA, 8-10 parts chlorinated polyethylene, 3-5 parts MAH-g-LLDPE, 0.2-0.3 parts organically modified montmorillonite, 0.3-0.5 parts nano-sepiolite, 0.2-0.4 parts coupling agent, and 0.1-0.2 parts carbon black masterbatch. The waterproof membrane of this application achieves simultaneous improvement in tensile strength and elongation at break, can adapt to building deformation, is not prone to cracking and leakage, and has a maximum tensile strength of over 800 N / 50 mm and an elongation at break of over 400%.