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43results about How to "With sound-absorbing effect" patented technology
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Glazed ceramic decorative wall tile and manufacturing method thereof
InactiveCN110606764AEasy to prepareIncrease productivityCeramic materials productionCeramicwareBrickSodium Bentonite
The invention discloses a glazed ceramic decorative wall tile. The wall tile comprises a ceramic tile body and a glaze surface, wherein the ceramic tile body comprises 15-80% of ceramic factory wastepressed mud, 5-75% of rotten ceramic tile powder or stone powder tailings, 1-10% of coal water slurry slag, 0-20% of foamed ceramic recycled waste, 0-12% of talc, 5-20% of clay, 2-15% of bentonite and0.3-1.5% of a foaming agent; and the glaze surface comprises an isolation glaze located on the surface of the ceramic tile body, a surface glaze located on the isolation glaze and a protective glazelocated on the surface glaze. Solid waste in the ceramic industry is used as main raw materials, and the wall tile and the method conform to the trend of environmental protection, greenness and sustainable development. The foamed ceramic wall tile has a water absorption rate of less than 0.4%, a density of 0.9-1.4 g / cm<3>, compressive strength of more than 8 MPa, breaking strength of more than 5 MPa, tensile strength of more than 2 MPa, a heat conductivity coefficient of 0.25-0.46 w / m.k, and a combustion performance of AI grade.
Owner:恩平市华昌陶瓷有限公司
Plant type environmental protection wall paper and manufacturing method thereof
InactiveCN101235611ANo limitationsEasy to makeSpecial paperPaper/cardboardEngineeringAbsorption effect
The invention discloses plant type environment-friendly wallpaper and a method for manufacturing the wallpaper and the plant type environment-friendly wallpaper comprises a backing layer and a plant layer which is adhered on the surface of the backing layer and is weaved with lathlike plant products. The plant type environment-friendly wallpaper of the invention has very wide material sources, the cost is low, the wallpaper has the advantages of green environmental protection and good product permeability, simultaneously, the wallpaper has good sound absorption effect, and the manufacturing process of the wallpaper of the invention is comparatively simple and only needs slightly reforming a traditional old-style knitting machine to produce.
Owner:CHONGQING HANFEI SCI & TECH DEVCO
Sound-insulating pad used inside automobile and preparation process of sound-insulating pad
InactiveCN105538841AReduce the soundIsolate the soundVehicle componentsRubber layered productsPolyesterGlass fiber
The invention relates to a sound-insulating pad used inside an automobile and a preparation process of the sound-insulating pad and belongs to the technical field of automobile interior articles. The sound-insulating pad used inside the automobile is formed by bonding a sound-absorbing layer and a sound-insulating layer with bonding glue, wherein the sound-absorbing layer is made of, by weight, 30-60 parts of bamboo charcoal fibers, 50-80 parts of fibrilia, 20-40 parts of polyester fibers and 10-30 parts of glass fibers. The sound-insulating pad used inside the automobile is formed by bonding two layers of materials, the sound-absorbing layer has the sound absorbing effect and is free of toxin and smell, resistant to water and damp and good in air permeability, the sound-insulating layer not only has the sound insulating effect but also has the effects of thermal insulation, dust isolating, sealing and shock absorption, the two layers are bonded together, sound generated by resonance of metal inside the automobile can be lowered, the audio environment inside the automobile can be effectively isolated from the outside, more quietness can be achieved inside the automobile, and the effect of sound equipment inside the automobile can be further improved.
Owner:WUHU XINYUAN SPONGE
Flame-retardant sound-absorbing rock-wool composite board
ActiveCN105386529AImprove flame retardant performanceHigh strengthSound proofingBuilding insulationsGlass fiberThermal insulation
The invention discloses a flame-retardant sound-absorbing rock-wool composite board. The composite board has the characteristics as follows: a protective layer is attached to the upper surface of the rock wool, and a net rack is bond to the lower surface of the rock wool; the upper surface of the protective layer is coated with a waterproof layer; the net rack penetrates through the rock wool and the protective layer and is connected with the waterproof layer; the thickness of the rock wool is 60-150 mm; a plurality of holes without penetrating through the rock wool are formed in the surface which is bond to the protective layer; the protective layer is made from glass fibers, and the thickness of the protective layer is 2-5 mm; a plurality of straight grooves are formed in the protective layer; and the waterproof layer is made from polymer waterproof mortar, and the thickness of the waterproof layer is 10-20 mm. The composite board has not only excellent thermal-insulation and flame-retardant effects but also favorable sound-absorbing function; at the same time, the straight grooves and the holes designed in the composite board can improve the sound-absorbing effect of the composite board remarkably; and the net rack penetrates through the rock wool and the protective layer, so that the tensile strength of the composite board can be reinforced effectively, and the service life of the composite board is prolonged indirectly.
Owner:河北中振博盛新材料股份有限公司
Two-layer composite sound insulation fabric
InactiveCN103660417AImprove sound absorptionLow costSynthetic resin layered productsAluminum silicateEngineering
The invention discloses a two-layer composite sound insulation fabric which is formed by compositing and weaving an upper high-strength sound insulation fabric layer and a lower natural sound insulation fabric layer, wherein the high-strength sound insulation fabric layer is formed by blending and weaving 35-42% by weight of aluminum silicate cotton fiber and 58-65% by weight of acrylic cotton fiber; the natural sound insulation fabric layer is formed by blending and weaving 44-51% by weight of coconut silk fiber and 49-56% by weight of pina fiber. Due to adoption of the two-layer structural design, the upper high-strength sound insulation fabric layer has the characteristics of good sound insulation effect and low cost, the lower natural sound insulation fabric layer has the effect of further sound insulation, and meanwhile, the fabric is environment-friendly and non-pollution, and is moisture absorbable and breathable, and is cool and comfortable.
Owner:WUJIANG YUANMING PRINTING FACTORY
Noise-reducing type automobile cushion leather and processing process thereof
InactiveCN106273856AWith sound-absorbing effectReduce the amplitudeTanning treatmentThigh restsPolyesterVibration amplitude
The invention provides noise-reducing type automobile cushion leather and a processing process thereof. The noise-reducing type automobile cushion leather sequentially comprises a coating, a real leather layer, a glass fiber felt layer, a polyester fiber sound absorption cotton layer and a net cloth surface layer from top to bottom, and is characterized in that the coating is an oil wax filling material sprayed and coated onto the real leather layer; glue water is fully coated on the upper and lower surfaces of the glass fiber felt layer; the polyester fiber sound absorption cotton layer is of a wave-shaped structure; the bottom surface net cloth surface layer and the polyester fiber sound absorption cotton layer are bonded and connected through glue water; the polyester fiber cotton layer material is polyester fiber; the material per se has a certain sound absorption effect; in addition, the polyester fiber sound absorption cotton layer is made into the wave shape, so that the noise is scattered in different directions when passing through the sound absorption layer; therefore the sound waves are diffused; the wave vibration amplitude is reduced; the noise reduction effect is greatly improved.
Owner:浙江富邦汽车内饰科技有限公司
Modified isotatic polypropylene sound-absorbing cotton and preparation method thereof
InactiveCN103692711AImprove sound absorptionSoft touchSynthetic resin layered productsNon-woven fabricsWaxZinc Acetate Dihydrate
The invention provides a modified isotatic polypropylene sound-absorbing cotton, comprising a top layer, a back layer and a cellucotton layer sandwiched between the top layer and the back layer, wherein the top layer and the back layer are made of a non-woven fabric material, and the non-woven fabric material is prepared from the following raw materials by weight through melt-blowing: 12 to 15 parts of PET, 100 parts of isotatic polypropylene, 4 to 5 parts of calcined china clay, 1 to 2 parts of sodium potassium silicate, 5 to 7 parts of calcite powder, 1 to 2 parts of zinc acetate, 1 to 2 parts of ethylene bisstearamide, 12 to 15 parts of dimixo-octyl phthalate, 5 to 6 parts of oxidized polyethlene wax, 7 to 9 parts of diatomite, 1 to 2 parts of zirconium nitrate, 2 to 3 parts of Chinese angelica, 1 to 2 parts of tall gastrodia tuber, 1 to 2 parts of bighead atractylodes rhizome and 4 to 5 parts of an auxiliary agent. The sound-absorbing cotton provided by the invention has fragrant smell and an antibacterial effect, can adsorb harmful gas and moisture and remove bacteria and has the advantages of soft handle, a good bonding degree, strong tensile strength, excellent sound-absorbing performance and a good flame retardation effect.
Owner:芜湖跃飞新型吸音材料股份有限公司
Regeneration brick prepared from construction waste and preparation method of brick
The invention discloses a regeneration brick prepared from construction waste and a preparation method of the brick, and belongs to the technical field of construction materials. The regeneration brick is prepared from, by weight, 100 parts of construction waste aggregate, 10-20 parts of kaolin, 30-50 parts of pulverized fuel ash, 1-5 parts of a water reducing agent, 1-5 parts of an early strengthagent, 1-5 parts of an antifreezing agent and 15-25 parts of water; the construction waste aggregate is prepared from, by weight, 50-60% of heavy aggregate, 30-40% of light aggregate and 5-10% of wood fibers; the heavy aggregate comes from waste concrete, waste bricks and tiles and waste stone, the light aggregate comes from waste ceramic and waste glass, and the wood fibers come from waste wood.The regeneration brick adopts the construction waste as the aggregate, the problem of resource waste is solved, and resource recycling is achieved; the regeneration brick with high strength is obtained through reasonable material selection and raw material grading, the service life of the regeneration brick is prolonged, and the application of the regeneration brick is expanded.
Owner:NEIJIANG NORMAL UNIV
Energy-saving and environment-friendly building material and preparation method thereof
ActiveCN109734377AWith sound-absorbing effectImprove corrosion resistanceSolid waste managementCatkinSludge
The invention discloses an energy-saving and environment-friendly building material and a preparation method thereof. The energy-saving and environment-friendly building material is prepared from, byweight, 20-40 parts of cement, 10-20 parts of excess sludge of sewage treatment plants, 60-80 parts of gravels, 30-50 parts of steel slag powder, 10-20 parts of firmiana catkins, 3-5 parts of tannic acid, 0.5-1 part of ferric trichloride, 0.5-1 part of sodium hexametaphosphate, 0.5-1 part of polyacrylamide, 0.5-1 part of polyvinylpyrrolidone, 0.5-1 part of a water reducing agent and 50-80 parts ofwater. By adoption of wastes as a main raw material for preparing the energy-saving and environment-friendly building material, on the one hand, making use of characteristics of the wastes is realized, and on the other hand, natural fine aggregates and heat preservation materials are substituted, production cost is reduced, and secondary resource development, waste recycling and environmental pollution abatement are realized; in addition, the prepared energy-saving and environment-friendly building material is remarkable in heat preservation effect and has an extensive application prospect.
Owner:商丘市睢阳区水务局
Tire wheel assembly
InactiveCN1910061AImprove and reduce effectSplit significantlyRimsInflatable tyresCavity resonanceEngineering
Owner:THE YOKOHAMA RUBBER CO LTD
Modular furniture with all boards connected
InactiveCN106246663AReduce thicknessIncreasing the thicknessSheet joiningEngineeringMechanical engineering
The invention relates to modular furniture with all boards connected. The modular furniture comprises a T-shaped connecting part and an L-shaped connecting part. The T-shaped connecting part comprises a first connecting plate and a second connecting plate. The first connecting plate and the second connecting plate are connected through a turning connecting piece. The turning connecting piece is provided with a first clamping part, and the first connecting plate is provided with a first matching part matched with the first clamping part. The L-shaped connecting part comprises a first right-angle side and a second right-angle side. Three-point lock catches used for fixed connection are arranged at one side of the second right-angle side. The three-point lock catches are inlaid and fixed into an inner cavity of the second right-angle side, and locking clamping heads are further reserved. Fixed grooves matched with the locking clamping heads in position are formed in the side to be fixed of the first right-angle side. The T-shaped connecting part and the L-shaped connecting part are adopted between the boards of the modular furniture. The structural and dimensional design of each board body is reasonable, the cross-section shape of the concave-shaped board bodies is reasonable in design, the three-dimensional effect and overall decoration effect after installation are good, and the modular furniture is attractive and elegant. Meanwhile, the boards of the cavity structure have a sound absorption effect.
Owner:重庆新美鱼博洋铝业有限公司
Process of making ceiling board
InactiveCN1974157AImprove your own strengthHigh hardnessWood working apparatusFlat articlesEngineeringHardness
The present invention relates to process of making ceiling board. The process includes the steps of mixing meldable fiber and fireproof short Dacron fiber, opening in a carding machine, spreading with one mesh placing unit to form web of certain thickness, needling with a needling machine, stoving in a stove at 150-200 deg.c for about 3 min for melting the meldable fiber and adhering to the Dacron fiber, and final ironing to obtain flat ceiling board. The produced ceiling board has high sound absorbing effect, high strength and high hardness, no formaldehyde release and environment friendship.
Owner:方惠光
A kind of preparation method of wall surface soft bag and wall surface soft bag
InactiveCN104153534BOvercome the problem of not easy to deflateReduce thicknessCovering/liningsSurface layerEngineering
Owner:重庆新首能建材有限公司
Partition wall board with fireproof and thermal insulation functions
PendingCN114086716AGood insulationImprove fire performanceFire rescueHeat proofingPhysicsThermal insulation
Owner:徐州康仕居建筑科技有限公司
Composite building wall module, module building wall and preparation method and application
ActiveCN111255147AHigh strengthIncrease the number of changesWallsHeat proofingGlass fiberInsulation layer
The invention discloses a composite building wall module, a module building wall and a preparation method and application. The composite building wall module sequentially comprises a cement mortar surface layer, a bonding reinforcing layer, a first thermal insulation layer, a first glass fiber reinforced composite board, a second thermal insulation layer and a second glass fiber reinforced composite board from one side to the other side; the first glass fiber reinforced composite board is provided with a plurality of reinforcing ribs, and the first thermal insulation layer is connected with the first glass fiber reinforced composite board through reinforcing ribs; the first glass fiber reinforced composite board is connected with the second glass fiber reinforced composite board through atleast four light steel connecting parts, one side of the composite building wall module is at least provided with a light steel connecting part, each light steel connecting part comprises two parallel side plates and a bottom plate, one sides of the side plates are connected with the bottom plate, one side plate is connected with the first glass fiber reinforced composite board, the other side plate is connected with the second glass fiber reinforced composite board, and the two light steel connecting parts are arranged to be connected in a matched mode through the bottom plates.
Owner:金松果新材料科技有限公司
Echo-preventing wall board
ActiveCN104047396AEffective absorption attenuationPrevent echoSynthetic resin layered productsBuilding componentsCement boardHoneycomb
The invention discloses an echo-preventing wall board. The echo-preventing wall board comprises a perlite board, wherein the perlite board is internally provided with a plurality of cavities; the cavities are arranged along the width direction of the perlite board and are uniformly distributed in the height direction of the perlite board; a honeycomb-shaped supporting piece is arranged on one face of the perlite board; a plurality of micro-pores which are communicated with the cavities are formed in one face, which is provided with the honeycomb-shaped supporting piece, of the perlite board; sound absorption materials are stuck on the inner wall and the bottom face of the honeycomb-shaped supporting piece; the cavities of the perlite board are internally filled with sound absorption materials; a magnesium oxychloride cement board is arranged on the other face of the perlite board; one faces, which are far away from each other, of the honeycomb-shaped supporting piece and the magnesium oxychloride cement board are provided with a first decorative face layer and a second decorative face layer. According to the echo-preventing wall board, the combination of the honeycomb-shaped supporting piece, the cavities of the perlite board and the sound absorption materials is sufficiently utilized to effectively absorb and attenuate sound waves so that the aim of preventing echoes is realized.
Owner:CHENGDU SHANGZHU BUILDING MATERIALS
Environment-friendly noise-reducing ultrasonic cleaning device
PendingCN112691993AFirmly connectedEasy to installSound producing devicesCleaning using liquidsMegasonic cleaningNoise
The invention discloses an environment-friendly noise-reducing ultrasonic cleaning device. The ultrasonic cleaning device comprises a mounting box, wherein the top face of the mounting box is connected with a sound insulation part through a first connecting mechanism, the first connecting mechanism is arranged at the joint of the sound insulation part and the mounting box, a mounting groove is dug in the middle of the top face of the mounting box, an inner cavity of the mounting groove is connected with a protective mechanism through a second connecting mechanism, an ultrasonic cleaner body is arranged in an inner cavity of the protective mechanism, the sound insulation plate is arranged on the top face of the mounting box through a first connecting mechanism, the sound insulation plate is filled with a sound absorption sponge layer, a protective frame is arranged in the inner cavity of the mounting groove through a second connecting mechanism, a containing groove is dug in the top face of the protective frame, a noise-reducing sponge block is arranged in an inner cavity of the containing groove, and a groove is dug in the middle of the top face of the protective frame. The ultrasonic cleaning device is simple in structure and convenient to mount and dismount, noise generated by an ultrasonic body is well adsorbed, and the hearing comfort of a user is improved.
Owner:张家港市港一超声电器有限公司
Construction method for cold-bent thin-wall light steel structure building
InactiveCN111287311ALight weightShorten the construction periodBuilding roofsConstruction materialEarthquake resistanceArchitectural engineering
The invention provides a construction method for a cold-bent thin-wall light steel structure building. The construction method comprises main body component construction, wall board construction, rooftruss construction, roof construction and exterior wall construction, wherein a light steel main body component is light-gage steel joist which is formed by cold-bending and forming an aluminum-coated zinc steel strip. According to the construction method provided by the invention, the aluminum-coated zinc steel strip is assembled from the cold-bent and formed light-gage steel joist, the assemblystructure shortens the construction period to a very great extent, a building process adopts dry-process operation, is free of wet-process operation, assembly is performed on a plant processing site,assembly can be accomplished through block-building type simple assembly, the construction period is short, and field assembly is time-saving and labor-saving; and quality and anti-seismic property of the cold-bent thin-wall light steel structure building are excellent than those of a conventional structure, so that management is convenient. The building uses an environment-friendly energy-savingmaterial, and a waste material can be utilized for a second time; the obtained roof is stable in structure, and is not liable to move for a long time; and the obtained exterior wall has a ventilatingfunction, so that moist gas is smoothly discharged, and indoor air is effectively circulated to form a circulating system with outside.
Owner:成都安正兴业建筑工程有限公司
Sound-insulation decoration material
InactiveCN107311530AQuality improvementImprove flame retardant performanceEnvironmental resistanceExpanded clay aggregate
The invention discloses a sound-insulation decoration material. The sound-insulation decoration material is prepared from, by weight, 20-40 parts of limestone, 5-10 parts of cement, 10-15 parts of bamboo charcoal, 8-12 parts of ceramsite particles, 3-8 parts of binder, 1-5 parts of waterproof agent, 3-6 parts of thickening agent and 12-18 parts of medical stone. The sound-insulation decoration material has the advantages that the decoration material prepared by combining the raw materials is good in quality, the added asbestos and bamboo charcoal are combined and have a very good flame retardant effect, the added ceramsite particles has a sound-insulation effect and effectively prevents noise pollution, and meanwhile decoration material is free of pollution, non-toxic, healthy, environmentally friendly and good in quality.
Owner:苏州铭晟通物资有限公司
Automobile glass lifter mechanism
InactiveCN110541649AExtended service lifeSolve abnormal noiseBuilding braking devicesGear vibration/noise dampingLinear motionEngineering
The invention discloses an automobile glass lifter mechanism, and relates to the technical field of automobile glass lifter mechanisms. The mechanism comprises an upper fixed supporting seat, whereina lower fixed supporting seat is arranged right below the upper fixed supporting seat, and a thin screw rod is rotatably connected between the upper fixed supporting seat and the lower fixed supporting seat at the central position. The glass lifter is novel in design, light in texture and low in manufacturing cost; glass is lifted and lowered by driving the thin screw rod through a servo motor; the glass lifter mechanism is different from lifters with a transmission arm type structure and a flexible type structure, the glass lifter mechanism is high in stability and enables vertical linear movement of the glass without deviation all the time; and meanwhile, the problems that a transmission lifter is subjected to abnormal nose and is easily damaged is solved; the practicability is effectively improved; the glass can be buffered to a certain degree when being lifted and lowered through a buffer mechanism, the problem that the glass and a vehicle door can collide when a traditional lifteris lifted is solved, and the use experience of a user is improved.
Owner:烟台集纳智能科技有限公司
Manufacturing method for softly-covered wall and softly-covered wall
InactiveCN104153534AOvercome the hardnessOvercoming high temperature resistanceCovering/liningsSurface layerEngineering
The invention relates to a manufacturing method for a softly-covered wall. The manufacturing method comprises the steps of drilling holes in a glass-magnesium plate, then sealing the holes, injecting polyurethane foaming materials into the surface layer of the softly-covered wall provided with a containing cavity, covering the glass-magnesium plate obtained after hole sealing treatment with the surface layer of the softly-covered wall to seal the polyurethane foaming materials, then conducting a foaming reaction, and forming holes in the glass-magnesium plate obtained after hole sealing and the foaming reaction to obtain the softly-covered wall. The invention further relates to the softly-covered wall. The softly-covered wall manufactured through the manufacturing method has the advantages of being high in rigidity and fire resistance, resistant to high temperature and good in sound insulation effect.
Owner:重庆新首能建材有限公司
A lightweight isolation pier material
ActiveCN111646739BImprove mechanical propertiesImprove corrosion resistanceCarbon preparation/purificationEpoxyPolymer science
Owner:湖南翰坤实业有限公司
A kind of recycled brick prepared by utilizing construction waste and preparation method thereof
Owner:NEIJIANG NORMAL UNIV
Method for preparing waterproof emulsion of thermosetting composite polystyrene foam insulation board
InactiveCN109181190AImprove insulation effectWith sound-absorbing effectNon-macromolecular adhesive additivesEster polymer adhesivesPerliteEmulsion
The invention discloses a method for preparing a waterproof emulsion of a thermosetting composite polystyrene foam insulation board. The method comprises: weighing raw materials according to a weightratio, mixing the raw materials, adding the weighed acrylic emulsion, polyvinyl alcohol, a resin coated adhesive PBA, ethyl acetate, an ethylene-vinyl acetate copolymer and light calcium powder into areactor, carrying out mixing, grinding expanded perlite and calcium silicate, adding the expanded perlite and calcium silicate powder into the mixture, and discharging the waterproof emulsion througha reactor. In preparation of the waterproof emulsion, expanded perlite and calcium silicate are used and are uniformly mixed in the waterproof emulsion in a form of powder particles so that the heatinsulation effects of the waterproof emulsion are improved.
Owner:江苏贝尔诺新能源科技有限公司
Safety baffle for road construction
InactiveCN102979357ANormal communicationWith sound-absorbing effectFencingClassical mechanicsStructural engineering
The invention belongs to the technical field of roads and bridges, in particular relates to a safety baffle for road construction. The technical scheme is that the safety baffle comprises a baffle body, a sound adsorption layer, a reflection belt and a sight glass, the sound adsorption layer is arranged on one side of the baffle body, the reflection belt and the sight glass are arranged on the other side, the sight glass comprises a glass face and a glass frame, and the glass face is connected with the baffle body through the glass frame. By arranging the sight glass on the baffle body, the safety baffle enables construction personnel to clearly see road conditions on the other side of the baffle before the construction personnel enter or exit from the baffle, and personnel safety of the construction personnel is protected to the largest extent. The sound adsorption layer is arranged on the baffle body, a certain sound adsorption effect is achieved, and under the condition of huge noises produced by vehicles in road construction, the construction personnel also can normally communicate.
Owner:SHENYANG XINDA INFORMATION SCI & TECH
Sound-absorbing and sound-insulating composite structure and air-conditioning compressor
ActiveCN112856797BSimple structureImprove sound absorptionNoise suppressionCompound structureEngineering
The invention relates to a sound-absorbing and sound-insulating composite structure and an air-conditioning compressor. The air-conditioning compressor includes a sound-absorbing and sound-insulating composite structure, and the sound-absorbing and sound-insulating composite structure includes a top-layer structure, a middle-layer structure, and a bottom-layer structure that are stacked and sequentially connected. The top-layer structure and the The bottom structure is made of flexible sound-absorbing material, and the middle structure is made of flexible sound-insulating material and has a plurality of closed air chambers inside. The sound-absorbing and sound-insulating composite structure has better sound-absorbing and sound-insulating effects.
Owner:珠海格力绿色再生资源有限公司 +1
A kind of sound-insulating multi-layer coated knitted fabric
ActiveCN106515103BGood sound absorptionStable gapSynthetic resin layered productsMetal layered productsPolyesterYarn
Owner:南通欧升新型材料有限公司
Conveniently-assembled polyurethane flexible foam composite board
The invention discloses a conveniently-assembled polyurethane flexible foam composite board. The conveniently-assembled polyurethane flexible foam composite board comprises a polyurethane flexible foam layer, a metal alloy netted framework and an anti-aging layer which is a thin layer formed by combined machining of polyethylene and an anti-aging agent for once. Six surfaces of the conveniently-assembled polyurethane flexible foam composite board are wrapped by the outer surface of a composite board core made by the polyurethane flexible foam layer and the metal alloy netted framework.The conveniently-assembled polyurethane flexible foam composite board has following beneficial effects: the conveniently-assembled polyurethane flexible foam composite board is simple in structure and low in cost; the board has a sound-absorbing effect; usage period is prolonged; overall strength of the composite board is improved; and fire-proof flame-retardant performance is obtained;
Owner:CHONGQING SPEED COMPOSITE CO LTD
Anti-echo wall panel
ActiveCN104047396BEffective absorption attenuationPrevent echoSynthetic resin layered productsBuilding componentsCement boardHoneycomb
The invention discloses an anti-echo wall panel, which includes a perlite board. Several cavities are provided inside the perlite board. The cavities are arranged along the width direction of the perlite board and in the height direction of the perlite board. Evenly distributed on the surface, one side of the perlite board is provided with a honeycomb support piece, and the side of the perlite board with the honeycomb support piece is provided with several micropores connected to the cavity, and the inner wall and bottom surface of the honeycomb support piece are bonded with sound-absorbing material, the cavity of the perlite board is filled with sound-absorbing material; the other side of the perlite board is provided with a magnesium oxychloride cement board, and the side of the honeycomb support and the magnesium oxychloride cement board away from each other is provided with a first facing layer and a Second facing layer. The invention makes full use of the combination of honeycomb supports, cavities of perlite boards, and sound-absorbing materials to effectively absorb and attenuate sound waves to achieve the purpose of preventing echoes.
Owner:CHENGDU SHANGZHU BUILDING MATERIALS
Sound absorption metal net suspended ceiling structure
PendingCN111379370AImprove sound absorptionWith sound-absorbing effectCeilingsAcousticsDropped ceiling
The invention provides a sound absorption metal net suspended ceiling structure which comprises multiple suspenders and multiple suspended ceiling units. The suspended ceiling units comprise hook groove keels, bottom plates, first sleeve frames, first L-shaped rib plates, metal mesh grids and second sleeve frames. The hook groove keels are mounted at the tail ends of the suspenders. Lower hook grooves with openings being downward are formed on the bottom plates, and the bottom plates are hooked with upper hook grooves of the hook groove keels through the lower hook grooves. Rock wool layers are arranged above the bottom plates. The first L-shaped rib plates are fixedly connected to the edge positions of the lower surfaces of the bottom plates through bolts. The first sleeve frames are arranged on the outer sides of the first L-shaped rib plates in a sleeving manner and are fixedly riveted with the first L-shaped rib plates. The metal mesh grids are fixedly welded below the first sleeveframes. The second sleeve frames are arranged on the outer sides of the bottom plates, the first sleeve frames and the metal mesh grids in a sleeving manner, the upper ends of the second sleeve frames are fixedly riveted with the bottom plates, and the lower ends of the second sleeve frames are clamped below the metal mesh grids. The sound absorption metal net suspended ceiling structure is lightin mass, convenient to mount, extremely good in sound absorption effect and easy to shape and can completely replace traditional suspended ceilings.
Owner:中建八局装饰工程有限公司
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