CN103787625B - Sound insulation composite wall and floor - Google Patents

Sound insulation composite wall and floor Download PDF

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Publication number
CN103787625B
CN103787625B CN201210428349.6A CN201210428349A CN103787625B CN 103787625 B CN103787625 B CN 103787625B CN 201210428349 A CN201210428349 A CN 201210428349A CN 103787625 B CN103787625 B CN 103787625B
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sound
powder
sound insulation
insulating sheet
fiber
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CN103787625A (en
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郑述
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SHENZHEN AISPO TECHNOLOGY DEVELOPMENT Co Ltd
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SHENZHEN AISPO TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

A kind of sound insulation composite wall and floor, including sound insulating sheet material and the sound insulation binding agent that the sound insulating sheet material is adhered to building wall ground, the sound insulating sheet material include the glazed layer of substrate and attachment on the substrate;The sound insulation bonding agent, according to mass fraction, including:Inorganic gel 25 ~ 30;Modifying agent 1 ~ 5;Cracking resistance reinforcing fiber 0.3 ~ 0.5;Sound-absorbing material 5 ~ 8;Inserts 40 ~ 60;Water-loss reducer 0.3 ~ 0.6;Activity activator 0.1 ~ 0.5;Water reducer 0.2 ~ 0.8;Hydrophobic powder 0.1 ~ 0.3;Dispersant 0.1 ~ 0.6.Substantial amounts of, interconnected slight void is contained in the inside of above-mentioned sound insulating sheet material, and sound wave can go deep into material internal along these holes, and occur rubbing action with material is converted into heat energy by acoustic energy.In addition, above-mentioned sound insulation bonding agent contains the sound-absorbing material being made up of loose porous material, its acoustic absorptivity typically gradually increases from low to high, therefore preferable to the sound absorbing effects of high frequency and intermediate frequency.

Description

Sound insulation composite wall and floor
Technical field
The present invention relates to acoustic material, more particularly to a kind of sound insulation composite wall and floor.
Background technology
At present, most of floor is made up of armored concrete, and soundproof effect is poor.Traditional method of sound insulation is paving mineral wool Or linoleum cloth, but using the sound insulation damping block of mineral wool because mineral wool is not pressure-resistant, effectiveness in vibration suppression is weak, is not acceptable to the market; Using the sound insulation damping block of linoleum cloth due to the pitch that wherein adds not environmentally, and poisonous, the product soundproof effect of preparation is poor, The accreditation in market can not be obtained, it is difficult to promote.As people's living standard is improved constantly, the requirement to comfortable for living is increasingly Height, certainly will propose high requirement to sound isolation of floor performance, to meet people's inhabitation privacy, comfortableness.
A kind of traditional damping Anti-collision materials, are mainly formed by high density polyethylene (HDPE) foaming according to acoustic characteristic is refined.It is logical Crossing the elasticity of nanometer foam makes whole floor form floating building structure, has broken off solid-borne sound transmission effect.And improve upper strata ground Coincidence effect, strengthens acoustic resistance drag.The acoustic energy for making one ear sensitive frequency band by the small hole of nanometer foam produces cavity Resonance, slackens the energy of sound, reaches the purpose of isolation strike note.Change sound biography by nanometer foam cavity resonance effect The frequency broadcast, reduces order of reflection, reaches the purpose of isolation air-borne sound.However, the acoustic material is assembled material, easily formation sound Bridge, the harder soundproof effect of material is undesirable and hollowing sound is larger.
The content of the invention
Based on this, it is necessary to provide a kind of soundproof effect preferable sound insulation composite wall and floor.
A kind of sound insulation composite wall and floor, including sound insulating sheet material and by the sound insulating sheet material adhere to building wall ground every Sound binding agent, the sound insulating sheet material includes the glazed layer of substrate and attachment on the substrate, and the substrate is selected from Cement fibre One kind in plate, magnesia cement plate, bamboo and woods fiber plate, calcium silicate board with microporous, plant fiber-cement plate and particieboard;
Sound insulation bonding agent, according to mass fraction, including:
Inorganic gel 25~30;
Modifying agent 1~5;
Cracking resistance reinforcing fiber 0.3~0.5;
Sound-absorbing material 5~8;
Inserts 40~60;
Water-loss reducer 0.3~0.6;
Activity activator 0.1~0.5;
Water reducer 0.2~0.8;
Hydrophobic powder 0.1~0.3;And
Dispersant 0.1~0.6.
In one of the embodiments, the inorganic gel is one kind or two in portland cement, gypsum, hydrated lime in powder More than kind.
In one of the embodiments, the modifying agent is polyvinyl acetate homopolymerization rubber powder, polyvinyl alcohol rubber powder, ureaformaldehyde Resin rubber powder, acrylic resin rubber powder, ethylene-vinyl acetate copolymerization rubber powder, butadiene-styrene polymer resin rubber powder, It is more than one or both of butadiene-styrene rubber dispersible polymer powder.
In one of the embodiments, the cracking resistance reinforcing fiber is carbon fiber, polypropylene fiber, ceramic fibre, alkali resistant glass Glass fiber, polyethylene fibre, polypropylene fibre, vinal, polyvinyl chloride fibre, polyacrylonitrile fibre, sepiolite are fine It is more than one or both of dimension, polyester doughnut.
In one of the embodiments, the sound-absorbing material be expanded perlite, it is glass bead, floating bead, cenosphere, poly- It is more than one or both of benzene particle.
In one of the embodiments, the inserts is one or both of rock dust, quartz sand, silicon ash, flyash More than.
In one of the embodiments, the water-loss reducer is hydroxypropyl methyl cellulose ether, TYLOSE 30000, hydroxyl second It is more than one or both of base cellulose ether.
In one of the embodiments, the activity activator is one or both of calcium chloride, sodium chloride.
In one of the embodiments, the water reducer is calcium lignosulfonate, sodium lignin sulfonate, naphthalene series high-efficiency diminishing It is more than one or both of agent.
In one of the embodiments, the dispersant is calgon.
Substantial amounts of, interconnected slight void is contained in the inside of above-mentioned sound insulating sheet material, and sound wave can be with along these holes Go deep into material internal, occur rubbing action with material is converted into heat energy by acoustic energy.In addition, sound insulation bonding agent contains by loose porous The sound-absorbing material that material is constituted, its acoustic absorptivity typically gradually increases from low to high, therefore the sound of high frequency and intermediate frequency is inhaled Fruit produce effects preferably.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, specific reality below to the present invention The mode of applying is described in detail.Many details are elaborated in the following description to fully understand the present invention.But The invention can be embodied in many other ways as described herein, and those skilled in the art can be without prejudice to this hair Similar improvement is done in the case of bright intension, therefore the present invention is not limited to the specific embodiments disclosed below.
The sound insulation composite wall and floor of one embodiment, including sound insulating sheet material and sound insulating sheet material is adhered into building wall ground Sound insulation binding agent.Building wall ground includes interior wall, ground and ceiling of building etc..
The sound insulating sheet material includes substrate and the glazed layer being attached on substrate.The substrate is selected from cement fibrolite plate, water chestnut One kind in magnesia cement plate, bamboo and woods fiber plate, calcium silicate board with microporous, plant fiber-cement plate and particieboard.
Cement fibrolite plate is, using siliceous, calcareous material as main material, to add string, is formed by autoclave at high temperature maintenance A kind of new decorative material for building.It is typically free of asbestos, with good compression strength, will not also produce in use Toxic gas or radiation, are a kind of environmental protection, pollution-free, the drought-enduring construction material of fire resisting.
Magnesia cement plate is, using magnesia and magnesium chloride as base stock, using medium-alkali glass fiber as enhancing, to be subject to filling out for high-quality Fill material, using rolling, again press technique productions A level non-combustible plates.
Bamboo wood fibre board is made using bamboo and wood mixed material, wherein, bamboo fibre rise humidification, and with difference The wood-fibred of performance, which mixes, to be used, and produces cooperative effect.
Calcium silicate board with microporous is mainly made up of gypsum, its be by siliceous material (diatomite, bentonite, silica flour etc.), calcareous material, Reinforcing fiber etc. is as primary raw material, the light weight board being made by slurrying, into the process such as base, steam-cured, sanding surface.It is A kind of porous material, with good sound insulation, heat-proof quality, can attract moisture in air in the case that there was dampness in the air indoors Son, when being air-dried, hydrone can be discharged again, can suitably adjust Indoor Dry, humidity, increase comfort.
Plant fiber-cement plate is to do reinforcing material to the string based on agricultural crop straw, using cement for the material that is gelled Material, using the technological principle similar with cement sawdust plate (cement-bonded wood chipboard), the class being made with certain production technology is light Lumber.The production technology of plant fiber-cement plate typically using dry method be cold-pressed, including mix, mat formation shaping, cold anticyclone Sizing, maintenance, cutting edge, conditioning etc..Raw material mainly include string reinforcing material, matrix binder materials and a small amount of Modified additive, string reinforcing material is mainly agricultural crop straw, such as wheat straw, cotton stalk, hemp stalk and cornstalk;Glue Gel material is mainly Portland cement, plays matrix in sheet material.Because some extracts can shadow in string The condensation induration of Xiangshui County's mud, therefore a small amount of modified additive is must be added in production process, to ensure cement cementitious material Normal condensation.
Particieboard is the fragment that the leftover pieces in timber process, wood chip etc. are cut into certain specification, by drying, Mix with adhesive, curing agent, waterproofing agent, a kind of artificial board suppressed at a certain temperature.Manufactured goods particieboard is not Need to dry again, can directly use, sound-absorbing and sound insulation value are good.
Glazed layer can be formed by the conventional glaze that is coated on substrate after shaping, natural curing and polishing.It is preferred that , formed by following glaze:The glaze, including following component:30 parts~40 parts of inorganic binder, 5 parts~20 parts of conditioning agent is resistance to Grind 10 parts~30 parts of material, 3 parts~5 parts of reinforcing fiber, 0.1 part~1 part of water reducer, 3 parts~8 parts of inserts, 0.5 part of dispersant ~2 parts, 1 part~5 parts of 1 part~2 parts of coupling agent and coloring earth;Wherein, the conditioning agent is Al2O3Colloidal sol, SiO2Colloidal sol, ZrO2At least one of colloidal sol, waterglass and aluminum sulfate;The high-abrasive material is emergy, silicon carbide sand, quartz sand and steel At least one of sand;The inserts is at least one of silica flour, talcum powder and Paris white.
Cement fibrolite plate, magnesia cement plate, bamboo and woods fiber plate, calcium silicate board with microporous, six kinds of plates of plant fiber-cement plate and particieboard There is the hole of a large amount of small connections inside material, sound wave can go deep into material internal along these holes, be rubbed with material Acoustic energy is converted into heat energy by effect.
Sound insulation binding agent, according to mass fraction, including:
Inorganic gel 25~30;
Modifying agent 1~5;
Cracking resistance reinforcing fiber 0.3~0.5;
Sound-absorbing material 5~8;
Inserts 40~60;
Water-loss reducer 0.3~0.6;
Activity activator 0.1~0.5;
Water reducer 0.2~0.8;
Hydrophobic powder 0.1~0.3;And
Dispersant 0.1~0.6.
Inorganic gel is hydraulicity gel rubber material, and it can be in the presence of auxiliary agent, and by inserts, sound-absorbing material is bonded in one Rise, form the sound insulation bonding agent of high intensity.Inorganic gel is preferably one kind or two in portland cement, gypsum, hydrated lime in powder More than kind.
Modifying agent can increase the suppleness of inorganic gel, caking ability.Modifying agent is preferably polyvinyl acetate homopolymerization glue Powder, polyvinyl alcohol rubber powder, urea formaldehyde resin adhesive powder, acrylic resin rubber powder, ethylene-vinyl acetate copolymerization rubber powder (VAE latex Powder), butadiene-styrene polymer resin rubber powder, it is more than one or both of butadiene-styrene rubber dispersible polymer powder.
Cracking resistance reinforcing fiber after surface treated has a large amount of active groups, can be with polymer reaction in inorganic gel Chemical bond is formed, increases cohesive strength and adhesion strength.Meanwhile, fiber also plays skeleton function, as in armored concrete Reinforcing bar equally strengthens system, can effectively transmit stress, prevents crackle from spreading, so as to play good cracking resistance effect.Cracking resistance increases Strong fiber is preferably carbon fiber, polypropylene fiber, ceramic fibre, alkali resistant glass fiber, polyethylene fibre, polypropylene fibre, poly- second It is more than one or both of enol fiber, polyvinyl chloride fibre, polyacrylonitrile fibre, sepiolite fibre, polyester doughnut.
Sound-absorbing material is mostly loose porous material, and its sound absorbing mechanism is the hole that sound wave gos deep into material, and hole is more The open pore interpenetrated for inside, by air molecule friction and viscosity resistance, and makes fiber fines make mechanical oscillation, from And acoustic energy is changed into heat energy.The acoustic absorptivity of this kind of porous sound-absorbing material, typically gradually increases from low to high, therefore right The sound absorbing effects of high frequency and intermediate frequency are preferable.Sound-absorbing material be preferably expanded perlite, glass bead, floating bead, cenosphere, It is more than one or both of granular polystyrene.
Inserts is one of important auxiliary agent of inorganic gel, the effect with reinforcement, hardening.In filler and inorganic gel Macromolecular may occur physical bond or chemical bond.Physical bond is to lean on secondary bond power, and both compatibilities are good, then adhesion Greatly.Chemical bond is the filler treated by certain method, and surface has introduced active group, can form chemistry with macromolecular Key, produces a small amount of cross-linked structure, so as to play good strengthening action.Inserts is preferably rock dust, quartz sand, silicon ash, fine coal It is more than one or both of ash.
Water-loss reducer is a kind of water absorbing capacity especially strong functional high molecule material, and most of is aggregated by lower-molecular substance The high polymer or high-molecular compound for reacting synthesis are made through chemical reaction.Water sucting principle is:Polyelectrolyte strand Identical charges repel each other makes the expansion of strand expansionary force and the restriction molecule chain due to crosslinking points for amide group and/or carboxyl group in water Power and interact.Its molecular structure is crosslinked, and molecular network absorbs water and point can not extruded with general physical method, because This, water absorbing properties are excellent.So that the caking ability increase of inorganic gel, and bonded securely with various inserts.Water-loss reducer is excellent Elect as more than one or both of hydroxypropyl methyl cellulose ether, TYLOSE 30000, hydroxyethyl ether cellulose.
Activity activator be it is a kind of can excite the active material inside industrial residue, allow it chemically reacts is compound Agent.Contain substantial amounts of SiO inside the industrial residues such as flyash, silicon ash2And Al2O3These active materials, but they are with " vitreum " Inert condition is present, and by the chemical method excited, allows it to chemically react, and produces caking property, can substantially reduce inorganic solidifying Glue consumption improves its utilization rate, and can accelerate the setting rate of inorganic gel, improve its early strength.Activity activator is preferably One or both of calcium chloride, sodium chloride (Nacl).
The molecule energy oriented attachment of water reducer makes inorganic gel particle surface carry same electricity in cement particle surface Lotus, forms electrostatic repulsion, promotes inorganic gel particle mutually to disperse, flocculent structure destruction, discharges wrapped part water, Flowing is participated in, so as to effectively increase the mobility of high strength sound binding agent, the slump of binding agent slurry keeps good, reaches The effect of diminishing has been arrived, and then has improved the intensity of tack coat.Due to hydrophilic based polar very strong therefore inorganic solidifying in water reducer The water reducer adsorbed film of glue particle surface can have good with hydrone one layer of stable solvation moisture film of formation, this layer of moisture film Lubrication, can effectively reduce the intergranular resistance to sliding of inorganic gel, so that the flowing of high strength sound binding material slurry Property is further improved.Water reducer can be formed with certain thickness hydrophily solid and inhale in the inorganic gel particle surface adsorbed Attached layer.When inorganic gel particle close to when, adsorption layer start it is overlapping, i.e., between inorganic gel particle produce steric hindrance effect, Overlapping more, steric hindrance repulsion is bigger, and the obstruction acted on inorganic gel interparticle coagulation is also bigger so that high strength sound The slump of binding material slurry keeps good.Water reducer is preferably calcium lignosulfonate, sodium lignin sulfonate, naphthalene series high-efficiency diminishing It is more than one or both of agent.
Hydrophobic powder can strengthen the intensity and water resistance of system.Hydrophobic powder is preferably Chengdu clear spring waterproofing agent of organosilicon The organic silicon water-proofing powder of factory's production.
Dispersant can have the interfacial agent of two kinds of opposite natures of lipophile and hydrophily simultaneously in intramolecular.It is scattered Agent can promote each component of high strength sound binding agent to be uniformly distributed in slurry, and prevent solid particles sediment in slurry and Cohesion.Dispersant is preferably calgon.
The sound insulation binding paste being made up of inorganic gel, cracking resistance reinforcing fiber, sound-absorbing material, inserts and a variety of auxiliary agents with When the substrate of sound insulating sheet material is combined, part size can be penetrated into substrate, after the slurry curing for penetrating into substrate, form countless thin Micro- " rivet ", these " rivets " can make binding material together with substrate secure bond, and between tack coat and substrate interface Form many closed pore micro-bubbles.Because the diameter of bubble is very small, air stop motion therein is enclosed in, is almost true Dummy status, so as to block the propagation of sound wave, forms sound barrier layer.Tack coat, substrate and the middle sound barrier formed The excellent system of layer composition sound insulation value, sound source is isolated with surrounding environment, and the sound come out from sound source radiation of gradually decaying, Partial sound in transmission is absorbed by sound-absorbing material, so as to reach the purpose of isolation strike note.
Sound insulation composite wall and floor is described further by the following examples.
Embodiment 1:
Embodiment 2:
Embodiment 3:
Embodiment 4:
Embodiment 5:
Embodiment 6:
Performance test:
The sound insulation binding agent of embodiment 1~6 is mixed successively, after mechanical agitation is uniform, finished product is obtained.In use, appropriate Water is mixed into dry mixing material, is stirred into uniform binding agent slurry, is applied on the ground of building, then presses sound insulating sheet material Pressure is arranged on binding agent slurry, after to be bonded dose of slurry curing, that is, forms sound insulation composite wall and floor.Use GB/T 19889.7-2005《Acoustics is built and the part of building element sound insulation measurement the 7th:The in-site measurement of floor crashing sound insulation》Mark Standard is tested six embodiments, and test result is as follows:
The soundproof effect of embodiment 1 is:70 decibels of floor weighted standardized impact sound pressure level;The soundproof effect of embodiment 2 is: 69 decibels of floor weighted standardized impact sound pressure level;The soundproof effect of embodiment 3 is:67 points of floor weighted standardized impact sound pressure level Shellfish;The soundproof effect of embodiment 4 is:68 decibels of floor weighted standardized impact sound pressure level;The soundproof effect of embodiment 5 is:Floor 66 decibels of weighted standardized impact sound pressure level;The soundproof effect of embodiment 6 is:65 decibels of floor weighted standardized impact sound pressure level.By This illustrates that the soundproof effect of above-mentioned sound insulation composite wall and floor is preferable.
Above-mentioned test is carried out for the floor of building, it is to be understood that, for metope or ceiling, above-mentioned sound insulation is answered Closing wall and floor board equally has preferable soundproof effect.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (1)

1. a kind of sound insulation composite wall and floor, including sound insulating sheet material and the sound insulation that the sound insulating sheet material is adhered to building wall ground Binding agent, it is characterised in that the sound insulating sheet material includes the glazed layer of substrate and attachment on the substrate, the substrate is selected from One kind in cement fibrolite plate, magnesia cement plate, bamboo and woods fiber plate, calcium silicate board with microporous, plant fiber-cement plate and particieboard;
The sound insulation binding agent, according to mass fraction, including:
Wherein, the inorganic gel is one or both of gypsum, hydrated lime in powder;
The modifying agent is polyvinyl acetate homopolymerization rubber powder, polyvinyl alcohol rubber powder, urea formaldehyde resin adhesive powder, acrylic size Powder, ethylene-vinyl acetate copolymerization rubber powder, butadiene-styrene polymer resin rubber powder, butadiene-styrene rubber dispersible polymer powder It is more than one or both of end;
The cracking resistance reinforcing fiber is carbon fiber, polypropylene fiber, ceramic fibre, alkali resistant glass fiber, polyethylene fibre, polyethylene It is more than one or both of alcohol fiber, polyvinyl chloride fibre, polyacrylonitrile fibre, sepiolite fibre, polyester doughnut;
The sound-absorbing material is more than one or both of expanded perlite, glass bead, floating bead, cenosphere;
The inserts is more than one or both of rock dust, quartz sand, silicon ash;
The water-loss reducer is one kind or two in hydroxypropyl methyl cellulose ether, TYLOSE 30000, hydroxyethyl ether cellulose More than kind;
The activity activator is one or both of calcium chloride, sodium chloride;
The water reducer is more than one or both of calcium lignosulfonate, sodium lignin sulfonate, naphthalene series high-efficiency water-reducing agent;
The hydrophobic powder is the organic silicon water-proofing powder that Chengdu clear spring waterproofing agent of organosilicon factory produces;
The dispersant is calgon.
CN201210428349.6A 2012-10-31 2012-10-31 Sound insulation composite wall and floor Active CN103787625B (en)

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