1429results about "Constructions elements" patented technology

The invention provides a manufacturing process of high-heat-insulation ray-proof antibacterial glass. The high-heat-insulation ray-proof antibacterial glass comprises outer-layer glass, a middle functional layer, inner-layer glass and an extensible layer, the manufacturing process comprises a PVB adhesive film preparation process and a laminated glass whole process, wherein the PVB adhesive film preparation process specifically comprises the steps of raw material mixing, melt extrusion, tape casting and coiling; the whole process of the laminated glass comprises the steps of glass pretreatment, interlayer assembly, high-temperature and high-pressure forming and post-treatment and quality inspection. According to the design scheme of the multi-film composite laminated glass, based on the structural characteristics of the laminated glass, a layered ray-blocking customized glass scheme is provided in combination with the combination of heat-insulating PVB films and other films with different functions, and the scheme is suitable for scenes such as sunlight rooms, agricultural planting or market curtain walls and the like.

The invention discloses a preparation method of an environment-friendly degradable single-sided perspective sticker, and belongs to the technical field of modified nano materials. The method comprises the following steps: (1) preparation of a multi-layer composite structure: mixing polylactic acid and poly (butylene succinate), adding nano-montmorillonite and a surface modifier, and carrying out melt blending to form a first-layer melt; stirring poly (butylene adipate-co-terephthalate) and fluorescent carbon nanodots to form a second layer of melt; the first layer, the pressure-sensitive adhesive layer and the second layer are co-extruded and compounded to form a film blank. And (2) construction of the nano-film: biaxially stretching the film blank, imprinting a micropore array, dipping in the silver nanoparticle suspension, and drying to obtain the nano-film. And (3) coating functionalization treatment: immersing into a fluorine-containing nano coating solution, and curing. And (4) post-treatment: carrying out secondary curing. The obtained single-sided perspective sticker is suitable for the fields of buildings, vehicle privacy films and the like, and solves the problems of serious pollution and slow degradation of a traditional sticker.

The invention discloses a four-layer composite co-extrusion synthetic resin tile and a preparation method thereof, and relates to the field of resin tiles. A four-layer composite co-extrusion synthetic resin tile is characterized in that four material layers are co-extruded and thermally sealed into a whole, and the four material layers comprise a weather-proof surface layer, a first framework layer, a sound insulation and heat insulation layer and a second framework layer which are sequentially arranged from top to bottom; the sound insulation and heat insulation layer comprises the following raw materials in parts by weight: 90-100 parts of first PVC resin; 6-12 parts of a foaming agent; 1-2 parts of a lubricant; 1-3 parts of a heat stabilizer; 5-9 parts of a plasticizer; 10 to 20 parts of modified wood powder; the surface of the modified wood powder is coated with an acrylate polymer. The synthetic resin tile prepared by the invention has relatively strong sound insulation and heat insulation effects and cold shock resistance.

A building panel, such as floor panel, including a core, the panel further including an upper arrangement being attached to an upper side of the core and / or a lower arrangement being attached to a lower side of the core. At least one of the core, the upper arrangement and lower arrangement is mineral-based, and at least one of upper and / or lower arrangement includes at least one rigid layer. The rigid layer includes at least one of an impact modifier or an acrylic processing aid.

The invention discloses a damping and sound-absorbing wood composite floor suitable for aging, which is strictly and orderly compounded according to a four-layer structure from top to bottom, and all layers are clear in division of labor and have a synergistic effect to form an organic whole with complementary functions: the first layer is a wood grain facing layer; the second layer is a cushioning layer; the third layer is a wood core layer; the fourth layer is a sound absorption layer; the preparation method of the damping and sound-absorbing wood composite floor suitable for aging comprises the following steps that firstly, all the layers are evenly coated with waterborne polyurethane environment-friendly adhesives through high-precision gluing equipment, and the gluing amount is 120-150 g / m < 2 >; 2, hot-pressing compounding: during hot-pressing compounding, controlling the temperature to be 120-140 DEG C, the pressure to be 8-12MPa, the time to be 8-10 minutes and the peel strength to be greater than or equal to 1.5 N / mm, and meanwhile, avoiding the performance degradation of the material caused by high temperature; the invention has the following beneficial effects: the noise within the frequency range of 100-5000 Hz is comprehensively reduced to 35-45 decibels; a weight of 60kg freely falls down at a height of 30cm, and the impact absorption value of the floor reaches 55-60%; a 24-hour boiling water dipping test shows that the water absorption thickness swelling rate is less than or equal to 8%; and the cost is reduced by 30-40%.

An adhesive tape and methods of use in cold or hot environments, such as in the construction industry, wherein the adhesive tape includes a pressure sensitive adhesive layer (preferably, an acrylic pressure sensitive adhesive layer) disposed on a backing (preferably, a multilayer backing).

A house wrap for a building comprises a reinforcing drainage plane layer configured to face the outside of the building; a breathable, non-perforated barrier film bonded to the drainage plane layer; and at least one insulating layer including a perforated expanded low density polyethylene foam layer, wherein in the expanded low density polyethylene layer at least 80% of the blowing agents are dissipated from closed cells within the expanded low density polyethylene layer, forming evacuated closed cells whereby a partial vacuum is formed within the closed cells of the low density polyethylene layer.

Resources of a system for controlling optically switchable windows may be used for a personal computing unit. The window system resources may include (i) a display associated with an optically switchable window, (ii) one or more processors of one or more controllers on a window network connected to a plurality of optically switchable windows in a building, wherein the one or more controllers are configured to vary tint states of the plurality of optically switchable windows in the building, (iii) memory of one or more controllers on the window network connected to the plurality of optically switchable windows in the building, and / or (iv) at least a part of the window network.

The invention relates to the field of building materials, in particular to a novel non-combustible composite board and a preparation process thereof. The novel non-combustible composite board comprises a base material layer, a fire-resistant flame-retardant layer and a protective surface layer which are sequentially arranged from bottom to top, the fireproof flame-retardant layer comprises the following components in parts by mass: 40-55 parts of a halogen-free flame retardant and 15-18 parts of a fiber auxiliary agent, and the halogen-free flame retardant comprises carboxylic acid modified aluminum hydroxide, silicon modified magnesium hydroxide and layered sodium silicate. Aiming at the problems that an existing composite board is poor in flame retardance, low in flame retardant efficiency, poor in board toughness, prone to cracking, poor in interlayer bonding performance and prone to delamination at high temperature, the combustion performance of the prepared novel non-combustible composite board completely meets the A2-level requirement, the combustion heat value is small, and the novel non-combustible composite board has the advantages of being good in toughness, high in strength and not prone to cracking.

The invention relates to the technical field of waterproof coiled materials, and provides an anti-aging film for a waterproof coiled material and a preparation method thereof.The anti-aging film is formed by crossing and compounding multiple layers of films, and the multiple layers of films sequentially comprise an inner layer film, a middle layer film and an outer layer film from top to bottom; wherein the outer-layer film comprises the following components in parts by weight: 80-90 parts of high-density polyethylene, 6-8 parts of black masterbatch, 10-15 parts of hydroxyl nicotinic acid compound modified carbon black, 1-2 parts of an antioxidant and 2-4 parts of a plasticizer, the modified carbon black is hydroxyl nicotinic acid compound modified carbon black, and the inner-layer film and the middle-layer film are polymer film layers. According to the technical scheme, the problem that in the prior art, the aging resistance of the film for the waterproof roll is poor is solved.

The invention relates to the technical field of energy-saving building materials, and discloses a multi-layer composite sunshade film with a self-cleaning function, which sequentially comprises a release film layer, a bonding layer, a base material layer I, a spectrum functional layer, a base material layer II and a self-cleaning layer from inside to outside, the raw material of the spectrum functional layer comprises at least one of an infrared absorbent, a visible light absorbent and an ultraviolet absorbent; the self-cleaning layer is a modified layer obtained by modifying the surface of the base material layer II through fluorosilane. According to the sunshade film, the energy-saving performance of a building can be greatly improved, so that the maintenance cost is reduced, and the sunshade film is suitable for being used outdoors for a long time and can also be attached to the outer surface of the building for use.

An ultra-stable structural laminate with fire resistance and a lateral nail pull strength from 44 to 300 pounds of force and an insulation R value from 1 to 40, the ultra-stable structural laminate of a cementitious material with a nano-molecular veneer and a foam component catalytically reacted into an expanded closed cell foam having a thickness from ⅛th inch to 8 inches, a density from 1.5 pounds / cubic foot to 3 pounds / cubic foot that self-adheres to the cementitious material forming an ultra-stable structural laminate with fire resistance and a lateral nail pull strength from 44 pounds to 300 pounds of force, an insulation R value from 1 to 40, a resistance to seismic impact for earthquakes over 3.1 on the Richter Scale, a break point from 7 lbs / inch to 100 lbs / inch; and a resistance to wind shear equivalent to a 15 mph downburst.

The invention discloses a lightweight cylindrical lattice structure based on bionic gulfweed stalks, and belongs to the technical field of lightweight lattice structures. The problems that an existing cylindrical lattice structure is generally weak in bearing capacity and too fast in rigidity attenuation under the condition of low relative density are solved. The invention discloses a lightweight cylindrical lattice structure based on bionic gulfweed stalks. The lightweight cylindrical lattice structure is mainly a hollow cylindrical structure formed by arraying a plurality of lattice unit cells. Each lattice unit cell comprises an outer truss, an inner truss and an inclined connecting rod, the outer trusses and the inner trusses are the same in structure, the outer trusses are arranged outside the inner trusses in a sleeving mode and are arranged in the same shape, and the vertex angles of the outer trusses and the vertex angles of the inner trusses are connected into a whole through the inclined connecting rods; the outer trusses between every two adjacent lattice unit cells share one frame, so that an integrated cylindrical lattice structure is obtained. A bionic principle is adopted, and a cylindrical lattice structure with light weight and high mechanical property is obtained.

Lightweight composite building panels with incorporated drainage layer that facilitates moisture removal and methods of manufacturing and using lightweight composite building panels with incorporated drainage layer. The lightweight composite building panels with incorporated drainage layer can be used to applied a desired finish to exterior wall and roof structures. The lightweight composite building panels include a core composite panel structure and a drainage layer attached or bonded thereto. The core composite panel structure includes a foam core sandwiched between first and second protective layers, such as a fiber mesh reinforced cementitious composition and / or cured thermoset resin or other rigid material. The drainage layer is designed to face an exterior wall or roof structure to facilitate removal of moisture between the panels and underlying wall or roof structure. The building panels can be cut, drilled, and screwed, nailed, or glued to structural elements of buildings, such as OSB sheathing.

Embodiments are directed to a polyolefin elastomer comprising a polymerized reaction product of 50 mol% to 99.5 mol% ethylene and 0.5 mol% to 40 mol% cyclic olefin. The polyolefin elastomer comprises a glass transition temperature of -30 °C to 30 °C, as measured according to Differential Scanning Calorimetry and a weight average molecular weight of 50,000 g / mol to 500,000 g / mol, as measured according to conventional Gel Permeation Chromatography. Further embodiments are directed to laminates comprising the polyolefin elastomer.

The present disclosure relates generally to roofing elements and methods for making them. In one embodiment, the disclosure provides a roofing element in the form of a roofing shingle that includes a body of a foamed cured cross-linked polymer, the body having a top surface and a bottom surface, the body extending substantially in a plane and having a thickness in the range of 0.5 mm to 35 mm; and a layer of weather-resistant roofing granules disposed on and adhered at the top surface of roofing element. The roofing element can be made by providing a body of wet foamed curable composition, and allowing the curable composition to cure to provide the body of foamed cured cross-linked polymer.

A glueless dustless composite flooring material system providing PVC-based flooring having waterproof layers providing different qualities of hardness, wear-resistance, sound deadening, and decorative patterns, avoiding the use of moisture-susceptible compressed dust filler, with layers fused together, avoiding the manufacturing complexity and delamination risks of using glue or adhesive, with a quickly-cured, UV-cured top coating providing long-lasting high performance and shortening and simplifying the manufacturing, which can be done in a sheet-form, essentially continuous-run manner, with an ability to quickly and simply change the optional design printing and texturing produced, and having an optional underlayment layer.

A multi-layered membrane comprising skin layers including an ethylene-based olefinic block copolymer (EBOC); and two or more core layers including a propylene-based elastomer (PBE).

A composite board, including a core, and a capstock positioned to at least partially cover the core, where the capstock includes 10 wt. % to 70 wt. % of polyvinyl chloride (PVC), based on a total weight of the capstock, 1 wt. % to 60 wt. % of acrylonitrile-styrene-acrylate (ASA), based on the total weight of the capstock, 1 wt. % to 60 wt. % of styrene-acrylonitrile (SAN), based on the total weight of the capstock, and 1 wt. % to 60 wt. % of a thermoplastic elastomer, where the thermoplastic elastomer includes styrene-isobutylene-styrene (SIBS), a thermoplastic copolyester elastomer, a polymeric plasticizer, and combinations thereof, wherein the capstock does not include thermoplastic polyurethane.

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 relates to a flooring panel suitable for constructing a floor covering, which panel comprises a core layer and a decorative top layer and a layer situated between the core layer and the decorative top layer which enables improves sound performance.

The invention discloses a needle-punched glass fiber aerogel sound-absorbing plate which comprises the following components: 30-50% of a silicon dioxide aerogel precursor, 20-40% of a needle-punched glass fiber felt, 1-3% of a silane coupling agent, 0.5-1% of a dispersing agent, 0.2-0.5% of a defoaming agent, 3-8% of reinforced fibers and 2-5% of a binder. Through needled glass fiber mat reinforcement, silane interface modification and normal-pressure drying processes, collaborative optimization of high strength (compressive strength is greater than 0.64 MPa), high sound absorption performance (sound absorption coefficient is greater than 0.8) and low heat conductivity coefficient (0.018) of the material is realized. The preparation process is simple, the cost is low, and the material is suitable for noise treatment in the fields of buildings, automobiles, aerospace and the like and has remarkable economic benefits and environmental benefits.

The insertion of an ultra-thin sublayer of intentionally oxygen-doped aluminum nitride can drastically improve the adhesion between an intentionally stoichiometrically deposited aluminum nitride and a silver functional layer of a low-emissivity solar-control structure. A similar sublayer, optionally disposed above the functional layer, can improve the adhesion between the silver and top layers of the structure. Additional benefits of inserting the aluminum-oxy-nitride include an improved smoothness of the interface, reduced electron scattering, and better performance of the structure in both visible and infrared spectral regions.

The invention discloses a durable bio-based asphalt waterproof coiled material and a preparation method thereof, and relates to the field of waterproof coiled materials. The composite material is formed by coating a base cloth with modified bio-based asphalt, the modified bio-based asphalt is lignin-modified bio-based asphalt, the bio-based asphalt is filled with oil-immersed wood fibers, and the oil-immersed wood fibers are formed by impregnating pine fibers and nano naphthenic oil. The nano naphthenic oil is prepared by mixing nano zinc oxide and naphthenic oil; through triple synergy of lignin modification, wood fiber reinforced oil locking and nano zinc oxide slow-release corrosion prevention, the purpose that the environment-friendly property and the high-performance index of the bio-based material are achieved at the same time is achieved.

The present invention relates to a panel element, such as a floor panel, a wall panel, a ceiling panel or a decking panel. The panel element comprises a first substrate made of a synthetic composite material comprising at least 20% by weight of mineral material, and a second substrate made of a distance material embedded or recessed in the first substrate. The distance material has a bulk density which is lower than a bulk density of the synthetic composite material. The panel element comprises at least two opposing side edge portions formed solely by the first substrate. A method for forming a panel element and an extrusion device configured to form a panel element are also provided.

A composite board, including a core, and a capstock positioned to at least partially cover the core, where the capstock includes 10 wt. % to 70 wt. % of polyvinyl chloride (PVC), based on a total weight of the capstock, 1 wt. % to 60 wt. % of acrylonitrile-styrene-acrylate (ASA), based on the total weight of the capstock, 1 wt. % to 60 wt. % of styrene-acrylonitrile (SAN), based on the total weight of the capstock, and 1 wt. % to 60 wt. % of a thermoplastic elastomer, where the thermoplastic elastomer includes styrene-isobutylene-styrene (SIBS), a thermoplastic copolyester elastomer, a polymeric plasticizer, and combinations thereof, wherein the capstock does not include thermoplastic polyurethane.

A vehicular laminated glass includes a first glass plate having a first main surface and a second main surface, a second glass plate having a third main surface and a fourth main surface, an adhesive interlayer disposed between the second main surface and the third main surface, a light source which faces the fourth main surface and emits light toward the fourth main surface, and an optical element which is disposed between the fourth main surface and the light source and refracts light emitted from the light source into the fourth main surface.

A rigid polymeric modular flooring plank that contains chlorinated polyvinyl chloride (CPVC) in the core or base layer. The rigid polymeric modular flooring plank has at least a polymeric core or base layer, a decorative layer, and a wear layer located above the decorative layer. The CPVC can offset the negative effects from any plasticizer present in the core layer, and thus permits the core layer to include plasticized material such as from recycled or reclaimed sources including rework and scrap materials. Methods of making the planks are further described. A method to control dimensional stability of a polymeric flooring plank is further described.

The invention discloses a deep embossing polyester facing film, a preparation method thereof and a polyester film facing plate. The polyester facing film is prepared from the following raw materials in percentage by weight: 10 to 20 percent of flame-retardant polyester and the balance of poly (1, 4-cyclohexanedimethanol terephthalate); the flame-retardant polyester is prepared by condensation polymerization of a first esterification product and a second esterification product in a mass ratio of (60-70): (20-30), the raw materials of the first esterification product comprise terephthalic acid and 1, 4-cyclohexanedimethanol in a molar ratio of 1: (1.05-1.3), and the raw materials of the second esterification product comprise a benzoxazine phosphate monomer and dihydric alcohol in a molar ratio of 1: (1.1-1.3). The benzoxazine phosphate chain segment is introduced into the PCT, so that the flame retardant property of the polyester facing film is remarkably improved on the basis of not keeping the mechanical property and the processability of the polyester material.