181results about "Bituminous layered products" patented technology

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

The invention provides a self-adhesive pavement local disease repair blanket and a preparation process and application thereof, the repair blanket is of a rectangular sheet structure, and sequentially comprises an anti-wearing layer, a high-viscosity tough asphalt layer, a self-healing composite structure layer, an anti-crack reinforcing layer and a self-healing bonding layer from top to bottom. The self-healing composite structure layer is composed of a crack limiting induction film layer and a shape memory polyurethane strip. Through the collaborative design of introducing the anti-crack reinforcing layer and the high-viscosity and tough asphalt layer into the repairing blanket structure, the stress fluctuation transmitted by base cracks can be effectively buffered, and the stress concentration degree of the surface layer is reduced, so that the occurrence of reflection cracks is inhibited, and the structural integrity of a pavement repairing area is improved; a self-adhesive composite structure which can be used at normal temperature is adopted, traditional operation steps such as heating, mixing or sealing layer laying are not needed in the construction process, the construction process is simplified, and the maintenance time is shortened.

The invention provides self-adhesive modified asphalt, a self-adhesive modified asphalt waterproof coiled material and a preparation method of the self-adhesive modified asphalt waterproof coiled material, and belongs to the technical field of asphalt and waterproof coiled materials. The self-adhesive modified asphalt is prepared from the following components in percentage by weight: 3 to 30 weight percent of matrix asphalt, 20 to 30 weight percent of aromatic hydrocarbon oil, 3 to 5 weight percent of thermoplastic elastomer, 5 to 8 weight percent of rubber modifier, 5 to 10 weight percent of tackifying resin, 3 to 8 weight percent of dioctyl sodium sulfosuccinate, 1 to 3 weight percent of polyaluminum ferric chloride, 1 to 3 weight percent of ferroferric oxide and 0.5 to 1 weight percent of limestone powder, and 10 to 30 wt% of an inorganic filler.

A roofing and / or siding material having a resulting reflectivity of at least about 50%. The roofing and / or siding material includes a modified bitumen sheet / membrane, a fiber reinforcement layer and a reflective polymer layer material. The reflective polymer layer material includes polyvinyl fluoride.

The invention discloses a production method of a multi-layer co-extruded waterproof coiled material, and particularly relates to the technical field of waterproof coiled materials, the production method comprises the following steps: step S1, taking polyvinyl chloride as a bottom layer raw material, modified asphalt as a middle layer raw material and polyester non-woven fabric as a surface layer raw material, drying the polyvinyl chloride, and heating and stirring the modified asphalt; s2, setting the extrusion temperature, adjusting the pressure and the extrusion speed, and carrying out extrusion molding; and S3, the deviation between the extrusion speeds of all the layers of raw materials is calculated, and parameters of the multi-layer co-extrusion equipment are adjusted according to the speed deviation. According to the invention, the thickness of each layer of material can be ensured to be uniform, and the local too thin or too thick condition is avoided, so that the overall performance of the waterproof coiled material is improved, the material degradation and aging caused by too high temperature or the influence of too low temperature on the extrusion molding effect can be effectively prevented, and the performance and the service life of the waterproof coiled material are ensured; meanwhile, damage to equipment caused by too high pressure is avoided, and the maintenance cost is reduced.

A method for sealing a substrate including steps: i) providing a membrane sheet including a barrier layer and a plurality of spaced-apart strips on a lower major surface of the barrier layer, ii) providing a fresh cementitious adhesive composition, iii) applying the fresh cementitious adhesive composition to a surface of the substrate to form a wet adhesive layer, iv) covering at least a portion of the wet adhesive layer with the membrane sheet such that at least a portion of the outer surfaces of the strips are directly contacted with the wet adhesive layer, and v) letting the wet adhesive layer to harden to effect adhesive bonding between the membrane sheet and the substrate.

The invention relates to a waterproof roll with good anti-aging performance and a production method thereof, and discloses a waterproof roll with good anti-aging performance and a production method thereof. The waterproof roll is prepared by optimizing materials of a modified base material layer, a reinforced fiber layer and a functional surface layer and structurally arranging a multi-layer composite sealing structure and a glass fiber reinforced strip; the anti-aging performance, the waterproof performance and the structural stability of the waterproof coiled material are effectively improved. The composite material is characterized by comprising a modified base material layer, a reinforced fiber layer and a functional surface layer, the reinforced fiber layer is arranged between the modified base material layer and the functional surface layer; the modified base material layer is prepared from the following components in parts by weight: 60 to 70 parts of SBS-APP composite modified asphalt, 10 to 15 parts of a nano composite anti-aging agent, 5 to 8 parts of a plasticizer, 10 to 15 parts of a filling agent and 2 to 4 parts of an antioxidant; the reinforced fiber layer comprises the following components in parts by weight: 70-80 parts of aramid fiber-polyester blend fiber, 5-10 parts of an anti-aging additive, 10-15 parts of a binder and 2-3 parts of a coupling agent, and the functional surface layer is composed of a modified polyurethane coating and nanoscale light stabilization particles dispersed in the modified polyurethane coating.

The invention discloses a colored non-cured rubber waterproof coating, a preparation method thereof and a waterproof laminate. The colored non-cured rubber waterproof coating is mainly prepared from the following components in parts by weight: 20-35 parts of a plasticizer, 15-30 parts of petroleum resin, 5-12 parts of a polyolefin elastomer (POE), 2-6 parts of a high-temperature additive, 0-40 parts of an inorganic filler, 2-6 parts of an inorganic pigment, 0.1-0.3 part of a defoaming agent and 1-5 parts of a special additive, according to the invention, the polyolefin elastomer without double bonds is used as a modifier, so that the aging resistance of the product is greatly improved; the additive with functional groups is added, so that the wettability of the product to the surface of a base layer is improved, and 100% full bonding with the base layer is ensured; the oily high-temperature-resistant defoaming agent is added, so that the hidden danger of barrel overflowing caused by foam generated by heating in the construction process is eliminated; the product not only has good viscosity performance with an asphalt coiled material, but also has excellent viscosity performance with a polymer waterproof coiled material, is safe, environment-friendly and free of peculiar smell, greatly improves the construction environment, and ensures the body health of constructors.

The invention relates to the technical field of road engineering and building protection materials, and discloses an ultralow-temperature modified asphalt waterproof coiled material which comprises the following components in parts by weight: 50-70 parts of No.70 matrix asphalt and Venezuela asphalt; 10 to 25 parts of an elastomer blending modifier; the invention also provides a preparation method of the ultralow-temperature modified asphalt waterproof coiled material, and the preparation method comprises the following steps: S1, material pretreatment: uniformly mixing the No.70 matrix asphalt with the Venezuela asphalt and the elastomer blending modifier to form an asphalt base material with proper processing performance; and S2, nano-filling reinforcement: introducing a nano-filling reinforcement component into the modified asphalt. By introducing a nanometer enhancement technology, multi-layer composite structure optimization and macromolecule modification, the low-temperature flexibility, weather resistance and structural stability of the material are improved, and balance optimization of long-term durability and comprehensive performance is achieved.

The invention discloses a high-weather-resistant self-repairing asphalt waterproof coiled material and a preparation method thereof, and relates to the technical field of waterproof coiled materials, and the preparation method comprises the following steps: coating and curing a protective layer coating obtained by mixing and ultrasonically dispersing fluorocarbon resin, nano titanium dioxide and the like in a reaction kettle to form a weather-resistant protective layer membrane material; melting the matrix asphalt, adding the SBS elastomer and the like, mixing, sequentially adding the ultraviolet stabilizer and the like, uniformly stirring, and carrying out extrusion molding to obtain a self-repairing asphalt waterproof layer sheet; spreading the glass fiber gridding cloth and the polyester non-woven fabric, spraying a binder, compacting and shaping to obtain a reinforced base layer; and finally, sequentially laying a weather-proof protective layer film material and other layers, carrying out hot-pressing compounding, rolling and leveling, and rolling to prepare a finished product of the high-weather-proof self-repairing asphalt waterproof coiled material. According to the high-weather-resistant self-repairing asphalt waterproof coiled material and the preparation method thereof, through the synergistic effect of a multi-layer structure, the coiled material has excellent weather-resistant protection and self-repairing functions, the waterproof effect is achieved, the service life of the coiled material is prolonged, and the coiled material has the remarkable comprehensive performance improvement and environmental protection advantages.

The invention discloses a high-strength puncture-resistant composite film, and relates to the technical field of composite films, the high-strength puncture-resistant composite film comprises a surface protection layer, a first reaction layer, a second reaction layer, a third reaction layer and a bottom protection layer which are arranged in sequence; the first reaction layer is prepared from nylon 6 and an amino silane coupling agent; the second reaction layer is made of thermoplastic polyurethane, and a containing channel and cyanoacrylate located in the containing channel are arranged in the second reaction layer; the third reaction layer comprises polypropylene, calcium carbonate and imidazolium ionic liquid; when the composite film is punctured, the cyanoacrylate is in contact with the amino silane coupling agent to generate curing reaction, so that a punctured object is fixedly clamped at the position penetrating through the first reaction layer; the imidazolium ions are in contact with the cyanoacrylate to generate polymerization reaction and form a polymer, and the calcium carbonate is in contact with the leachate to release CO2, so that the polymer is forced to be pressed into a puncture hole, and a puncture object is further retained, so that the anti-puncture effect of the composite membrane is relatively good.

Some embodiments of the present disclosure relate to roofing systems. In some embodiments, the roofing system includes a deck, a roofing material, and an underlayment configured to be positioned between the roofing material and the deck. In some embodiments, the underlayment comprises a foil layer and an adhesive layer that is attached to the foil layer and configured to be attached to the deck. Methods of manufacturing roofing systems are also disclosed.

The polymer asphalt composite waterproof coiled material comprises an asphalt self-adhesion waterproof layer, a polymer asphalt waterproof layer and a polymer asphalt waterproof layer which are arranged in a laminated manner, the impermeable layer is arranged on at least one side of the two opposite side surfaces of the asphalt self-adhesion waterproof layer; and the macromolecular sheet waterproof layer is distributed on the surface of one side, deviating from the asphalt self-adhesion waterproof layer, of the impermeable layer in an extending manner. According to the polymer asphalt composite waterproof coiled material disclosed by the embodiment of the invention, the impermeable layer is used for preventing oil in the asphalt self-adhesion waterproof layer from migrating to the polymer sheet waterproof layer in a physical blocking or oil migration hindering manner, so that the oil in the asphalt self-adhesion waterproof layer can be effectively prevented from permeating and migrating to the polymer sheet waterproof layer; the color change of the appearance of the waterproof coiled material is avoided.

The present invention relates to rebar-free prestressed concrete and to a forming method therefor. The rebar-free prestressed concrete comprises: a base layer which is a mortar, concrete or neat slurr

The invention relates to an interlayer separant and application thereof. The interlayer separant is used between a polyurethane coating and an asphalt coiled material and is formed by a polyurethane coating, and the polyurethane coating comprises the following components: maleic anhydride modified polyurethane, silane modified polyurethane, maleic anhydride modified colloid and a solvent; the maleic anhydride modified polyurethane is obtained by reaction of raw materials including polyol, maleic anhydride, isocyanate and a catalyst; the silane modified polyurethane is obtained by reaction of raw materials including polyol, a silane coupling agent, isocyanate and a catalyst; the colloid is selected from one or a combination of more of petroleum resin, asphalt, rosin resin, terpene resin, butadiene-styrene rubber and butyl rubber; the maleic anhydride modified colloid is obtained by reacting raw materials including maleic anhydride, colloid and an initiator. The interlayer separant can isolate migration of auxiliaries such as a plasticizer in a traditional polyurethane coating and improve the compatibility and bonding performance of the traditional polyurethane coating and an asphalt coiled material.

Subject of the invention is a porous support layer for a roofing underlayment, comprising a first nonwoven layer comprising polyester fibers, and a second nonwoven layer comprising organic flame-resistant fibers, wherein the combustion temperature of the flame-resistant fibers is at least 500° C. and / or the limiting oxygen index (LOI) of the flame-resistant fibers is at least 25%, wherein the second nonwoven layer is a surface layer of the support layer, wherein the support layer is mechanically consolidated. Subject of the invention are also construction materials, such as roofing underlayment from the support layer and a bitumen layer; and roofs and buildings comprising the roofing underlayment, and respective methods and uses.

The invention discloses a multi-core-layer color steel composite plate, which relates to the field of color steel composite plates, and comprises an upper color steel plate and a lower color steel plate, and a plurality of groups of core layers are arranged between the upper color steel plate and the lower color steel plate. Polyurethane adhesive layers are arranged between the upper color steel plate and the adjacent core layer, between the lower color steel plate and the adjacent core layer and between two adjacent groups of core layers; according to the multi-core-layer color steel composite plate, the upper color steel plate, the first heat preservation core layer, the sound insulation damping core layer, the fireproof flame-retardant core layer, the second heat preservation core layer and the lower color steel plate are sequentially arranged from top to bottom, and the side sealing plates and the short plates are arranged on the periphery of the assembled color steel composite plate, so that the functions of all the core layers can be fully exerted; and the overall sound insulation, heat insulation and fireproof performance of the color steel composite board can be better, so that the overall safety and reliability of the color steel composite board are remarkably improved.

The invention discloses an anti-bubble automobile radar damping fin as well as a preparation method and an installation method thereof. The damping fin is of a multi-layer composite structure and comprises an aluminum foil layer, a damping layer and a key hot melt adhesive net film layer from outside to inside. Through a matched pressurizing and heating installation process, hot melt adhesive is melted and flows during installation, all air gaps between the damping fin and the complex curved surface automobile door metal plate are actively filled and discharged, and permanent strong bonding without bubbles is formed after cooling. According to the method, the industrial problem that the radar performance is reduced due to the fact that bubbles are easily generated in traditional manual rolling of the damping fin is fundamentally solved, the high consistency of the attaching quality and the environmental durability are achieved, and the detection precision and reliability of the vehicle-mounted radar under the limiting working condition are remarkably improved; and important basic part guarantee is provided for high-level automatic driving and intelligent vehicle body functions.

The invention relates to a thermocompression device for producing recyclable honeycomb plates with high mechanical strength, which, by means of the proposed configuration, enables high-speed production with an optimised operating width. For this purpose, the device comprises an area for continuously heating and pressing the supplied sheet, a cooling area, a calendering area and a moulding area. Advantageously, the moulding area comprises forming rollers provided with protuberances arranged in continuous rows distributed on the surface of the forming rollers, such that the rows are arranged cross-wise with respect to the sheet supply direction. Recyclable honeycomb plates are thus obtained. The invention also relates to a method implemented using the described thermocompression device.

The invention discloses an efficient damping material for shock absorption and noise reduction of an automobile and a preparation method of the damping material, and relates to the technical field of asphalt damping material preparation. The device comprises a mounting frame, the whole mounting frame is in an L shape, a vertically-arranged vertical plate is rotationally arranged on one side of the top of the mounting frame, a fixing sleeve is fixedly mounted at the vertical end, away from the mounting frame, of the vertical plate, and a processing tank is fixedly arranged in the fixing sleeve; the heating pipe is combined with the second motor and the third motor, so that raw material reaction can be accelerated; a second motor drives a rotating plate to rotate, an eccentric push block drives a moving plate to translate, and a processing tank swings through a toothed plate and a driving gear, so that raw materials are in full contact with a stirring part, the stirring dynamic property and randomness are enhanced, and the limitation of single-shaft stirring is broken through; a third motor drives a first stirring shaft and drives a second stirring shaft through gear transmission, a first stirring piece and a second stirring piece are located at different positions, the second stirring piece takes the edge of the tank into consideration, the stirring range is expanded, and stirring dead angles are eliminated.

The present invention relates to the technical field of building waterproof materials, and provides a composite waterproof coiled material and its production process. The composite waterproof coiled material sequentially includes an upper carcass reinforcement layer, a main structure layer, and a lower carcass reinforcement layer from top to bottom. The main structure layer sequentially includes an asphalt-based self-adhesive layer, a polymer bonding layer, and a polymer self-adhesive layer from top to bottom. The widths of the upper carcass reinforcement layer and the lower carcass reinforcement layer are independently 25% to 50% of the width of the main structure layer. The parts on the left and right sides of the upper and lower surfaces of the main structure layer that are not covered by the upper carcass reinforcement layer and the lower carcass reinforcement layer adopt a corrugated structure. Through the above technical solution, the problems of poor tensile performance and poor aging resistance of waterproof coiled materials in the related art are solved.

The utility model discloses a kind of self-adhesive waterproof rolls, including main body pitch layer, the main body pitch layer lower end is fixedly installed with sticking device, the main body pitch layer upper end is fixedly installed with aluminium foil;The sticking device includes PE film, the PE film such as fixedly installed with several tear saw teeth, the PE film upper end is fixedly installed with modified pitch pressure-sensitive adhesive, the modified pitch pressure-sensitive adhesive upper end is fixedly installed with primer, the PE film is fixedly installed in the lower end of main body pitch layer by modified pitch pressure-sensitive adhesive and primer.The utility model can be soaked into main body pitch layer by primer, and then make modified pitch pressure-sensitive adhesive can be closely bonded with main body pitch layer, while modified pitch pressure-sensitive adhesive combines the high performance of modified pitch with the convenient construction characteristics of pressure-sensitive adhesive, pitch pressure-sensitive adhesive cohesive strength is high, material surface wettability is good, not only ultraviolet, high and low temperature and oxidation aging resistance, but also reduce the sensitivity to temperature.

Boards, additives, methods for manufacturing, and / or the like are provided. In some embodiments, a board may include a facer; a densified layer; a core, wherein the facer is disposed above the densified layer, and wherein the densified layer is disposed above the core; and one or more additives disposed within one or more of the densified layer or the core, wherein the one or more additives are configured to control heat transfer and / or thermal mitigation between the board and one or more applied materials. In some embodiments, the one or more additives may include Kaolin Clay disposed within the core. In some embodiments, the one or more applied materials are asphalt.

The utility model provides a waterproof coiled material structure which comprises a coiled material body (3) and is characterized in that the coiled material body (3) comprises waterproof film sleeves (31) and asphalt layers (32), the asphalt layers (32) are filled in the waterproof film sleeves (31), splicing components are arranged on the two sides of the waterproof film sleeves (31) respectively, and the adjacent waterproof film sleeves (31) are connected through the splicing components; the splicing components are arranged on the two sides of the waterproof film sleeves correspondingly, the adjacent waterproof film sleeves are connected through the splicing components, and therefore the laying requirements of different sizes can be met according to the size requirements of the actual positions, needing to be laid, of the waterproof roll, and the application range is effectively widened.

The present invention provides an environmentally friendly exposed cladding material and an environmentally friendly exposed modified asphalt waterproofing membrane, as well as a preparation method. The environmentally friendly exposed cladding material is derived from recycled asphalt stone produced during asphalt roadbed maintenance and is manufactured through a series of processes, including primary crushing, screening, secondary crushing, screening, grading, and mixing. The environmentally friendly exposed modified asphalt waterproofing membrane produced from the environmentally friendly exposed cladding material exhibits more reliable adhesion between the mineral aggregate and the modified asphalt, excellent puncture resistance, and effective resistance to UV aging and water erosion and peeling. It is a new type of exposed waterproofing membrane that can replace existing mineral aggregate surface membranes.

The invention relates to a single-layer or multi-layer sheet-like product, in particular a covering sheet for a building area, such as a roof, cellar, pool, consisting of or containing a covering sheet with at least one first filler which consists of or contains shredded heterogeneous waste materials from household and / or industry.

The utility model discloses a fireproof glass wool board with a thermal insulation structure, which comprises a glass wool board and a connecting board, the glass wool board comprises a fireproof layer and a glass wool core layer, the glass wool core layer is arranged at the bottom of the fireproof layer, a reinforcing plate is arranged between the fireproof layer and the glass wool core layer, a thermal insulation layer is arranged at the bottom of the glass wool core layer, and the connecting board is connected to one side of the glass wool board. A connecting plate is arranged on one side of the glass wool board, a connecting groove is formed in the other side of the glass wool board, the connecting plate is matched with the connecting groove, and a fixing piece is used, so that connection between the adjacent glass wool boards becomes simple and rapid, and the installation efficiency is greatly improved. The heat preservation layer is arranged at the bottom of the glass wool core layer and forms a multi-layer heat preservation system together with the glass wool core layer; the heat preservation layer is made of a rock wool board material, heat transfer through the bottom of the glass wool board can be effectively reduced, the porous structure of the glass wool core layer is combined with the heat preservation layer, the heat conduction path is further blocked, and the heat preservation and heat insulation effects of the whole glass wool board are greatly improved through the synergistic effect of the porous structure and the heat preservation layer.