878results about "Bituminous material adhesives" patented technology

The invention provides a reaction bonding type node sealant and a preparation method thereof. The sealant comprises asphalt, modifiers, an emulsifier, a crosslinking agent, thickeners, a reinforcing agent and water. In the formula system, more appropriate modifiers are adopted compared with the prior art, so that a rubber asphalt mixture can achieve good emulsification effect, elasticity and strength of a sealing layer after drying are greatly improved, and the sealing effect can be good and lasting; the chemical linkage effect with concrete is formed by using the crosslinking agent, and bonding force with the concrete is improved; and a lot of thickeners are used for adjusting the stickness of the sealant system, so that the reaction bonding type node sealant can better adhere to the surface of a pentatricopeptide repeats (PPR) or polyvinyl chloride (PVC) pipe, and good sealing at positions where PPR or PVC water supply and drainage pipes are connected with base surfaces of concrete.

The invention discloses a self-adhesive waterproof coiled material having high initial stickiness. The coiled material comprises the following components, by mass: 35%-55% of petroleum asphalt, 5%-25% of a softening agent, 5%-25% of a modifying agent, 2%-8% of a tackifier, 0.1%-2% of an interface agent, 0.1%-3% of an anti-aging agent, and 5%-20% of a filling agent. The self-adhesive waterproof coiled material has excellent initial stickiness, even under conditions of a basement layer surface with a little dust, a damp basement layer and a relatively low temperature, the coiled material also has good adhesion with the basement layer, and is not easy to strip after adhesion; after stripping, the coiled material can ensure to leave an integral modified asphalt material on the basement layer, so as to ensure relatively high waterproof performance.

The invention discloses a modified asphalt waterproof sheet material. The modified asphalt waterproof sheet material is of a multilayer structure; the upper surface of the modified asphalt waterproof sheet material is a mineral granule layer; a fiberglass reinforcement basic layer and a polyester reinforcement basic layer are sequentially arranged in the middle part of the modified asphalt waterproof sheet material in sequence; a self-adhesion polymer modification asphalt sizing material layer is arranged in the bottom layer of the modified asphalt waterproof sheet material; adjacent layers are adhered through an elastomer polymer modification asphalt sizing material layer; an isolation film is adhered on the self-adhesion polymer modification asphalt sizing material layer. The structure of the modified asphalt waterproof sheet material provided by the invention can be applicable to small deformation of the basic layers, and has the advantages of higher size stability, convenience in construction, adhesion reliability and self-heating property. The invention provides a reliable and exposed modified asphalt waterproof sheet material, and is particularly applicable to monolayer roofs.

An adhesive composition that can be used in particleboards and other composites is formed from an aqueous mixture of soy protein, zinc sulfate heptahydrate, calcium oxide, sodium benzoate, pine oil, wax emulsion and non-sulfonated kraft lignin. In a second embodiment the composition further includes an acid.

The invention relates to a creeping self-adhesive asphalt water-proof coiled material and a preparation method thereof. An asphalt sizing material used for the creeping self-adhesive asphalt water-proof coiled material has good adhesive property and creeping property, and the asphalt sizing material is prepared from the following raw materials in percentage by weight: 35%-55% of petroleum asphalt, 5%-25% of softening agent, 5%-25% of modifying agent, 2%-8% of tackifying agent, 0.1%-2% of interface agent, 0.1%-3% of anti-aging agent and 5%-20% of filling agent. The self-adhesive asphalt water-proof coiled material disclosed by the invention has very good initial adhesion, can be well adhered with a base layer under the conditions of the wet base layer and lower temperature even if a little dust is positioned on the surface of the base layer, is difficult to strip after being adhered, and can ensure that a complete sizing material can be retained on the base layer after being stripped, thus meeting the requirement for water-proof property.

The powder molding additive belongs to a compound additive mainly composed of inorganic substances. It is composed of dimensioning agent 1-99% (weight), forming agent (1-99% (weight) and reinforcing agent, tackifier, toughening agent, and combustion agent. The present invention can be used for carbon-containing powder .Using carbon-containing substances to reduce substances, or mixing powders of the two, can also be used in fertilizers, chemicals, daily chemicals and other industries. It has no smoke caused by starch and has certain water resistance. No matter at low temperature or high temperature, the produced The products have the required strength and their cost is low.

The invention discloses a modified asphalt adhesive and a preparation method thereof. The preparation method comprises the following steps: pumping fused asphalt in a stirring kettle; starting a stirring paddle, wherein, the stirring speed is 60-200 revolutions/min, and the material temperature is 120-150 DEG C; stirring for 10-30min; adding styrene-butadiene block copolymer (SBS) and styrene butadiene rubber (SBR) and continuously stirring; heating to 160-180 DEG C; stirring for 1-2h; keeping the stirring temperature and the stirring speed; adding tackifier; continuously stirring for 30-60min; adding rubber powder and filler in sequence; continuously stirring for 30-60min; and grinding by a colloid mill to obtain the modified asphalt adhesive with good performance.

The invention relates to water-base joint grouting glue for a normal temperature road, namely an environment-friendly joint grouting and joint sealing material having high viscosity, high cementing power and high adhesive property, which is formed by special processes of copolymerizing water, a water-base adhesive, bitumen and a dispersing agent, then modifying a macromolecular water-soluble resinand a rubber latex, and adding the auxiliary agents of a stabilizing agent, a thickening material and the like, and can be used for treating and sealing various types of cracks of bitumen and cementroad surfaces and joint seams of cement road surfaces and bridge surfaces. The joint grouting glue is in a gel state at normal temperature, can be stirred but cannot flow, thus the joint grouting gluecan enter joints directly without slotting and cannot infiltrate downwards so as to play a role in sealing the joints; and simultaneously the joint grouting glue is soluble in water; therefore, the joint grouting glue can be mixed with water to prepare strong-permeability joint grouting materials with any viscosities, and can be effectively poured into deep parts of the cracks of road surfaces without slotting. The joint grouting glue combines the advantages of slotting and non-slotting repairing methods, and simultaneously avoids the disadvantages of the two methods.

A consumable container is molded from a composition comprising 40 to 90 weight % of an asphalt and 10 to 60 weight % of a polymer material, which advantageously can include a first polymer such as PP that imparts heat resistance and a second polymer such as EVA that imparts toughness and impact resistance. This molded asphalt/polymer material preferably has an unnotched Izod impact strength of at least 2 joules. The container is consumable-it can be melted along with roofing asphalt held in the container without adversely affecting the properties of the asphalt and without requiring undue mixing. The composition also can be used to reduce fumes normally emitted from a kettle of molten asphalt, e.g., as measured by a reduction of the visual opacity of the fumes by at least 25%, a reduction of the hydrocarbon emissions of the fumes by at least 20%, or a reduction of the total suspended particulates emissions of the fumes by at least 15%. The container may be used, e.g., to hold roofing or paving asphalt or a recyclable petroleum-derived material, such as used motor oil. In one embodiment, the container composition may include one or more ingredients to improve the quality of paving-grade asphalt

The invention relates to a continuous sedimentation process for production of needle coke. Under the continuous condition of in-out materials, the process carries out settling separation on an insoluble substance of quinoline to obtain a qualified light phase of the insoluble substance of the quinoline. The mixed ratio of an aliphatic solvent to an aromatic solvent is (0.6-1.2) to 1; the mixed ratio of a mixed solvent to soft coal-tar asphalt is (0.6-1.2) to 1; the mixed oil is pumped into settling separation equipment by a pump for the settling separation; light liquid slowly rises; and after the insoluble substance of the quinoline reaches the requirement, the light liquid is continuously discharged from the upper part and distilled to obtain refined asphalt. The continuous sedimentation process has the advantages that the prior intermittent sedimentation process is improved into the continuous sedimentation process, namely the in-out materials are processed under the continuous operating condition. The continuous operation can simplify operation, reduce equipment, the floor space and the blocking of the equipment, and is favorable for long-period operation of the process.

The invention discloses a high-performance thermosetting epoxy asphalt binder, comprising a part A component and a part B compound, wherein the part A component comprises 100 weight parts of epoxy resin, 20-35 weight parts of flexibilizer, 0.5-2 weight parts of promoter, and 8-20 weight parts of diluent; the part B component comprises 300-350 weight parts of asphalt, 150-160 weight parts of flexible curing agent, 10-15 weight parts of promoter, 2-5 weight parts of compatilizer, and 100 weight parts of diluent; and the ratio of the part A component to the part B component is 100:350-440. According to the invention, by using flexible long-chain fatty acid anhydride as the curing agent and carrying out solidification reaction on the curing agent with the epoxy resin, a stereo cross-linked structure is formed, and the bonding capability and water resistance of asphalt are increased; by using liquid rubber as the flexibilizer, the flexibility of the epoxy asphalt binder is raised to adapt to the flexibility of a steel plate, and by prereacting the flexibilizer with epoxy resin firstly for grafting, the compatibility between the epoxy asphalt binder and asphalt is raised. The epoxy asphalt binder is suitable for bonding and waterproofing of steel bridge floor, cement concrete bridge floor, tunnel, highway and other pavements. The invention also discloses a preparation method of the epoxy asphalt binder.

A pavement repair system utilizing solid phase auto regenerative cohesion and homogenization by liquid asphalt oligopolymerization technologies. The system is suitable for use in repairing asphalt pavement, including pavement exhibiting a high degree of deterioration (as manifested in the presence of potholes, cracks, ruts, or the like) as well as pavement that has been subject to previous repair and may comprise a substantial amount of dirt and other debris (e.g., chipped road paint or other damaged or disturbed surfacing materials). A system utilizing homogenization by liquid asphalt oligopolymerization is suitable for rejuvenating or repairing aged asphalt, thereby improving properties of the paving material.

The invention is a sealant special for sealing cracks of bituminous pavement, it contains (in weight share): petroleum pitch 100 shares, SBS 9-15 shares, tackifying resin 4-10 shares, antiageing agent 0.2-1 share, synthetic rubber 0-4 shares, stabilizer 0.15-0.45 share, softening agent 2-16 shares, viscosity-regulator 2-15 shares, antistripping agent 0.2-0.5 share, and reinforcing agent 35-60 shares. It has weak temperature sensitivity, strong adhesion and good elasticity.

A road surface hot-melt asphalt dog nail adhesive and its production are disclosed. It consists of substrate asphalt 100 proportion, polymeric polymer 2-10 proportion, tack producing agent 0-10 proportion, inorganic tack producing agent 20-50 proportion, cross-linking agent 0.1-0.5 proportion. It's convenient, costs low, and has long life and excellent adhesion.

One embodiment provides a process for preparing an asphalt-coated crumb rubber composition that meets the specification set forth in ASTM D80-02 or deviations thereof which may be established by the specifying agency from time to time. The process generally comprises obtaining asphalt of different penetration grades, combining the asphalt of each grade with preselected chemicals to form separate premixed components, blending the premixed components together under predetermined conditions to form, upon curing, an asphalt-coated crumb rubber composition that meets certain physical requirements for asphalt-rubber binder (ARB), such as those set forth in ASTM D8-02. Advantageously, the resulting asphalt-coated crumb rubber composition not only meets the physical requirements of ARB used in road paving but also has improved dispersion of the rubber, such as dispersion of the rubber in an oil-in-water emulsion of an asphalt.

Disclosed is a waterproofing membrane that performs well at both high and low temperatures. The waterproofing membrane comprises a carrier support layer and an adhesive layer, wherein the adhesive layer comprises a pressure sensitive bitumen composition comprising bitumen (asphalt), synthetic rubber, high density polyethylene, amorphous polyolefin, ground vulcanized crumb rubber and, optionally, a plasticizer. The waterproofing membrane also may optionally include a removable release sheet on the adhesive layer.

The invention relates to a reactive self-adhered ethylene-propylene-diene monomer waterproof roll which consists of a surface waterproof layer, a middle self-adhering layer and a bottom isolating layer, wherein the surface waterproof layer is formed by co-mixing ethylene-propylene-diene monomer rubber, zinc oxide, sulfur, stearic acid, highly wear-resistant carbon black, processing oil and an accelerator DM, the middle self-adhering layer is an active self-adhered sizing material which is formed by co-mixing asphalt, a softener, a tackifier, butyl rubber IIR (Isobutylene-Isoprene Rubber), butadiene styrene rubber, an activator and filler, and the bottom isolating layer is a PET (Polyethylene Terephthalate) thin film. As the middle self-adhering layer which contains asphalt and active macromolecular active components and has the active reactive self-adhered sizing material is arranged in the upper layer on the inner surface of the surface waterproof layer which takes ethylene-propylene-diene monomer as a main material, so that edges of the roll and the roll and the base layer of concrete are directly adhered by the middle self-adhering layer without any adhesives in match. The generated waterproof layer has a service life effect which is equal to that of a main body material, so that the roll is an ideal upgrading product of existing single ethylene-propylene-diene monomer waterproof roll.

The invention provides a high-temperature resistant self-adhesive polymer modified asphalt waterproofing membrane and a preparation method thereof. The high-temperature resistant self-adhesive polymer modified asphalt waterproofing membrane comprises the following raw materials by weight: 50 to 60 parts of No. 100 asphalt, 5 to 10 parts of softening oil, 20 to 30 parts of pulverization reclaimed rubber powder, 6 to 12 parts of rubber powder modifier, 20 to 30 parts of coarse whiting powder, and 2 to 3 parts of pure polypropylene. The preparation method comprises the following steps: taking the No. 100 asphalt and softening oil according to the parts by weight; stirring and mixing the No. 100 asphalt and the softening oil; adding the pure polypropylene when the temperature reaches 190 to 200 DEG C; adding the pulverization reclaimed rubber powder when the pure polypropylene is completely melted; keeping stirring for 120 min when the temperature reaches 200 minus or plus 5 DEG C; adding the rubber powder modifier when the temperature falls to 170 minus or plus 5 DEG C; mixing and stirring uniformly when the coarse whiting powder is added, so as to obtain a finished mixture; and making the finished mixture into modified asphalt waterproofing membranes according to the manufacture procedure. As asphalt is modified to bear temperature higher than 120 DEG C, the invention has the advantages that no sliding phenomenon is generated under a high temperature; the viscosity is higher; and the suitability to construction environments is high.

The invention relates to self-adhesion waterproof rolls used for a road bridge. The self-adhesion waterproof rolls used for the road bridge comprises, by weight, 40-60 parts of asphalt No.90, 10-20 parts of softening oil, 3-10 parts of styrene-butadiene-styrene block copolymer, 2-5 parts of butadiene styrene rubber, 3-8 parts of reclaimed polypropylene, 0.5-3 parts of high temperature modifier, 5-15 parts of rubber powder and 25-40 parts of stuffing. The self-adhesion waterproof rolls used for the road bridge has excellent high-and-low temperature resistance performance, is imperious, impact-proof, anti-shearing and large in bonding strength, and has self-healing creep performance. Fire baking is not required in construction, cold construction is adopted, the construction method is simple, and the construction efficiency is high.

The invention relates to a preparation method for a self-adhesive modified asphalt waterproof coiled material with cement reactivity. According to the technical scheme, the method comprises the following steps of coating on one or two sides of a base reinforcement layer with modified asphalt pressure sensitive self-adhesive glue with cement reactivity to form (a) modified asphalt pressure sensitive self-adhesive glue layer(s) by using an oil coating roller pair, and wrapping the modified asphalt pressure sensitive self-adhesive glue layer(s) with (an) anti-sticking separation film(s) to prepare a self-adhesive modified asphalt waterproof coiled material product with cement reactivity. The method has the beneficial effects that the modified asphalt pressure sensitive self-adhesive glue is used, so that the coiled material is endowed with a cement mortar adhesion characteristic, and has a thermal creep characteristic, the problem that an adhered surface is polluted by dust and the like on a construction site is effectively solved, and the range of construction application temperature of the coiled material is widened; the modified asphalt pressure sensitive self-adhesive glue is permanently and organically combined with concrete of a structural layer, and the hidden danger of water mixing is avoided; the reliability of a waterproof layer is improved, and unique self-healing capability for slight construction damage is achieved.

Provided is a pavement crack repairing material. The pavement crack repairing material comprises the following ingredients, by weight, 35-65% of asphalt, 6-12% of modifiers, 6-10% of special leftover material powder, 2-5% of plasticizers, 8-15% of softening oil, 10-25% of waste rubber power, and 3-10% of tackifiers or nano-oxides. The special leftover material powder is obtained after leftover materials of beef tendon sole rubber and chloroprene rubber at a weight ratio of 3:2.5 are ground by a grinding mill. The repairing material has good low-temperature crack resistance, high-temperature stability, interface binding property, ageing resistance and fatigue resistance. The repairing material is suitable for repairing of cracks and seams of asphalt or cement concrete pavements under extremely cold weather conditions.

A method of applying building a pavement structure using a polymer modified hot-applied tack coat is disclosed. This polymer modified tack coat is non-adhesive at ambient temperatures, and, thus, also non tracking. The tack is applied while hot, but cools quickly. The subsequent application of hot mix asphalt results in a superior bond between the asphalt layer and the tack layer. It is particularly well suited to bonded friction course applications since it removes the necessity of specialized spray paving machinery and allows the use of conventional asphalt distributors and pavers.