50results about How to "Good sound insulation effect" patented technology

The invention belongs to the technical field of building material, and more particularly relates to a double-layer resin glazed tile which takes on a sheet shape or a plate shape and is formed by a plurality of wave peaks and/ or wave troughs which are sequentially connected. The glazed tile is formed by a surface layer and a bottom layer, wherein the surface layer is formed by modified resin ASA, and the bottom layer is formed by 60-80% of polyvinyl chloride resin, 1-3% of foaming agent, 8-15% of shock-resistant modifying agent, 2-5% of lubricating agent and 9-17% of processing auxiliary agent by weight percent, wherein the foaming agent is azo-compound or/ and sodium hydrogen carbonate, the shock-resistant modifying agent is chlorinated polyethylene, the lubricating agent is one or mixture of more in oxidized polyethlene wax, stearic acids or paraffin, and the processing auxiliary agent is one or mixture of more in ACR, compound stabilizer, calcium carbonate or pigment. The glazed tile is light in weight and durable, and has good effects of noise reduction and heat insulation.

The invention relates to a flame-retardant sound insulation composite material. The flame-retardant sound insulation composite material comprises the following components in percentage by weight: 5 to 30 percent of PVC, 5 to 30 percent of chlorinated polyethylene, 15 to 80 percent of iron powder of which the grain diameter is 10 to 100 microns, 0.5 to 2 percent of coupling agent and 9.5 to 23 percent of aid. The invention provides the flame-retardant sound insulation composite material, which is prepared from the PVC, the chlorinated polyethylene, the iron powder with the grain diameter of 10 to 100 microns, the coupling agent and the aid, has good flame-retardant sound insulation effect, and also has the characteristics of flame retardancy, innocuity, no lead, high strength, good construction property and low cost. Because the chlorinated polyethylene is particularly introduced into the material components of the flame-retardant sound insulation composite material, the using amount of a plasticizer of the material is reduced, and the composite material has better softness and can be widely applied to sound insulation treatment in the construction industry, decoration field and the like; and the sound insulation composite material can effectively reduce the noise, and the sound insulation index of the material can reach 25 to 32 decibels.

A composite mold clamp building block is characterized by comprising an outer face plate (1) and an inner face plate (2). A heat preservation layer (3) is filled between the outer face plate (1) and the inner face plate (2). The outer face plate (1), the heat preservation layer (3) and the inner face plate (2) are connected to form a whole through connecting pieces (4). The composite mold clamp building block adopts an inner clamp heat preservation layer design, is lighter than a traditional clay brick, and meets the requirements of modern multiple floor buildings and high-rise buildings. A traditional process of on-site slurry wiping and wall building is changed, the building block can be directly installed and fixed, construction is fast, process flow and construction materials are reduced, and construction cost is lowered. After installation, the vertical face of a wall body is even and smooth, strength and rigidity of the vertical face are balanced. The composite mold clamp building block can effectively block heat bridge effect and obviously enhance heat preservation and insulation performance and fire-proof performance, and has good sound insulation effect and better comprehensive performance.

The invention relates to a method for fabricating a light sound absorption and insulation core board with waste slag powder modified micro-foam grains. With the adoption of density and acoustic impedance of the waste slag powder modified micro-foam grain added during micro-forming of polyurethane resin, the appropriate aperture and porosity of a micro-foaming material and the additive amount of waste slag powder are controlled to greatly improve sound insulation of the micro-foaming material with a sound absorption property, so that the light sound absorption and insulation core board with sound absorptivity and sound insulation ability is fabricated. The conventional concept that the traditional sound absorption material are poor in sound insulation effect generally is broken through, and the light sound absorption and insulation core board is suitable for composite sound insulation structures such as building walls in non-bearing structures, floors, interior decoration, and traffic sound barriers. The method has the advantages of waste recycling, high-rise building bearing reduction, increased indoor plot ratio, good sound absorption and insulation performances, low cost and the like, and has a wide application prospect.

A novel sound barrier with a resonance cantilever beam comprises an upper structure, a lower structure and a middle structure, wherein the upper structure and the lower structure are composed of combined sound absorption and insulation barrier plates, and the middle structure is composed of a fixed sound insulation frame and a transparent plate. The transparent plate and the up-down combined soundabsorption and insulation barrier plate are connected into a whole through the fixed sound insulation frame, and the transparent plate has a certain sound insulation effect besides providing a certain observation visual field for running traffic vehicles. The resonance sound absorption structure such as the resonance cantilever beam is applied to the sound barrier for the first time, the noise reduction effect of the sound barrier can be further enhanced, and the influence of traffic noise on life of people is reduced to the minimum.

The invention discloses a light non-dismantling self-thermal-insulation cast-in-place wall and a preparation method of filling material thereof. The preparation of the filling materials comprises the steps that micro-scale or micron-scale microcellular foam is prepared; the microcellular foam and inorganic compound gelatinization matrixes containing silicate are blended, microcellular slurry is formed through puffing foaming, and a light porous fire-resistant inorganic framework is prepared; the light porous fire-resistant inorganic framework is filled with organic lightweight aggregate, and mixed slurry is made; and the mixed slurry is solidified and formed. The light non-dismantling self-insulation cast-in-place wall comprises a keel frame, a non-dismantling wall plate fixed to the keel frame and the filling material. According to the light non-dismantling self-thermal-insulation cast-in-place wall and the preparation method of the filling materials thereof, no additional mould is supported, a pipeline can be embedded, construction is simplified greatly, cost is reduced greatly; in the casting process, plate expanding, template bursting and hollowing do not occur; the fireproof and self-insulation purposes are achieved, and thus no external thermal insulation needs to be conducted; seamless connection is achieved, and thus amount of steel used is reduced; weather resistance, the freezing and thawing resistance cycle and no crack are achieved, so that the service life of the wall is the same with that of a building; and no corrosion occurs, and thus a rust-proof role is played on a steel structure, and the service life of the steel structure is prolonged.

The invention belongs to the technical field of building materials, in particular to a three-layer resin glazed tile, the glazed tile is in the shape of a sheet or a plate and constituted by a plurality of wave crests and/or wave troughs which are sequentially connected, and the glazed tile consists of a surface layer, a middle layer and a bottom layer, wherein the surface layer consists of modified resin ASA; the middle layer consists of 60-70% of polyvinyl chloride resin, 10-15% of anti-impact modifier, 3-5% of lubricant and 17-20% of processing aid; the bottom layer consists of 70-80% of polyvinyl chloride resin, 8-10% of anti-impact modifier, 2-5% of lubricant and 10-15% of processing aid; the anti-impact modifier is chlorinated polyethylene; the lubricant is one or mixture of more than one of oxidized polyethylene wax, stearic acid or paraffin; and the processing aid is one or the mixture of more than one of ACR, composite stabilizer, calcium carbonate or paint. The glazed tile has light weight, durability and good sound deadening and thermal insulation effects.

The invention provides a sound absorption and insulation composite material structure composed by closely bonding at least one non woven fiber layer and at least one polyethylene film. Specifically, the non woven fiber layer is a fiber stack layer prepared from a recycled and environment friendly fiber material by a non woven technological process, and has thickness equal to or greater than 1mm. And the thickness of the polyethylene film is in the range of 0.009mm-0.1mm.

The present invention provides a sound insulation ear muff formed by tapping-type porous glass and an air bag. The sound insulation ear muff comprises an ear muff frame body, a housing, an external decoration layer and an internal filling layer; the internal filling layer is fixed in the ear muff frame body and the housing and is closed through the external decoration layer; the internal filling layer is formed by the tapping-type porous glass and a down-fill frameless air bag; the down-fill frameless air bag performs seaming by employing light flexible materials to form the air bag, and the air bag is filled with natural down feather. The tapping-type porous glass and the down-fill frameless air bag are taken as internal filling materials to prepare a light ear muff with a good sound insulation effect, and the light ear muff has good sound absorption and sound insulation effects in a human ear sensitive area range.

The invention provides a sound-absorbing and insulating barrier board with a wide sound-absorbing frequency band and good sound-absorbing and insulating effects, which includes a panel and a backboard. Installed on the frame, a cavity is formed between the panel and the back plate, and sound-absorbing material is arranged in the cavity. The surface and the back panel are respectively fixed to the skeleton so that the barrier panel has a strong resistance to external force loads, and the sound-absorbing material is arranged between the panel and the back panel to make the barrier panel have better sound absorption and sound insulation effects.

The invention provides a decoration plate, and belongs to the field of high-performance materials; with the improvement of modern life quality level, people pay more and more attentions to the decoration of home life; and a traditional decoration plate has multiple problems, such as weak fireproof effect, low strength of a decoration layer and bad noise isolating effect, so that a decoration plate capable of making up the defects, convenient for production and lower in cost is needed. The decoration plate is level and smooth and uniform in inner and outer structures, has the characteristics of good size stability, high strength and good environmental protecting and noise isolating effect, and has excellent processability and surface decoration performance.

The invention belongs to the technical field of sound insulation barrier, in particular to a composite sound insulation barrier. 30 to 40 parts of magnesium oxide, 20 to 25 parts of magnesium chloride, 20 to 30 parts of water, 0.3 to 0.5 parts of modifier, 0.05 to 0.15 parts of foaming agent, 5 to 10 parts of fly ash, 5 to 10 parts of sawdust and 0.01-0.05parts of granulating agent. 0.05; The composite sound insulation barrier of the invention has excellent barrier noise function and good sound absorption and insulation effect, it also has high mechanical strength in construction application,Low density and light weight, the cutting adhesion construction performance is good, Water-proof, moisture-proof, corrosion-proof, mildew-proof, not easy to break, aging, long service life and other excellent material characteristics, and does not contain any heavy metals and other harmful substances, suitable for road sound barrier as sound-absorbing and insulation core material, but also used incity libraries, schools, hospitals, office buildings and other buildings as sound-absorbing and insulation materials for internal and external walls.

The invention discloses a moisture-resisting self-disinfection environment-friendly sound insulation floor and a manufacturing method thereof. A sound insulation material is composed of a packaging material, function filler and a surface wear-resisting layer. The packaging material is an organic matter matrix prepared by adopting 45-56 parts of an ethylene-vinyl acetate polymer by weight as the raw material. The function filler is a bamboo fiber composite prepared by adopting 200-220 parts of sinocalamus affinis and 50-60 parts of glacial acetic acid by weight as raw materials. The surface wear-resisting layer is a wear-resisting composite prepared by adopting 4-5 parts of aluminum oxide powder and 1-1.2 parts of an ethylene-vinyl acetate polymer by weight as raw materials. The moisture-resisting self-disinfection environment-friendly sound insulation floor can achieve moisture absorption, self disinfection, long-time volatilization of disinfection components, softness and sound insulation.

The invention discloses a local resonance type acoustic metamaterial sound absorption and insulation structural member which comprises an elastic column, scatterers and a steel backing, the elastic column is connected to the steel backing, and a plurality of layers of circular scatterers with the same thickness and the diameters increasing in an equivalent mode are embedded into the elastic column at equal intervals from bottom to top; the elastic column is made of rubber, and the steel backing and the scatterer are made of steel. On the basis of the local resonance principle, the scattering bodies are evenly embedded into the elastic columns, sound waves are subjected to resonance coupling of the elastic columns and the scattering bodies and blocking of the steel backing, the sound absorption broadband is widened to be as low as 200 Hz, even the perfect sound absorption effect can be achieved at a certain specific frequency, meanwhile, the sound insulation index is increased to 97 dB, and excellent sound absorption and insulation performance is shown in a low broadband range. The structure is simple to prepare and low in cost, and engineering application value is provided for noise control in a low-frequency range.

The invention discloses an ultraviolet-proof, noise-reduction, heat-insulation and energy-saving glass film and a preparation method thereof. The glass film is formed through compounding an ultraviolet ray absorption layer, a sound absorption layer, a heat insulation layer and a nano-grade metal layer. The glass film has an efficient ultraviolet-proof effect and high strength, and has three effects of resisting ultraviolet rays, reducing noises and insulating heat; components of each coating are reasonably matched, and a production method is simple and easy to operate; the glass film has the advantages of low coefficient of thermal conductivity, good sound-insulation and attraction effects, low economic cost, long service life, wide application range, energy saving and environment protection, is applicable to industrial production and can be used for houses, offices and car windows; and the glass film has relatively good ultraviolet-ray-shielding, heat-insulation and sound-insulation effects so as to maintain a comfortable indoor environment.