CN102767246B - Soundproof and insulation materials, soundproof and insulation layer as well as preparation method and application thereof - Google Patents
Soundproof and insulation materials, soundproof and insulation layer as well as preparation method and application thereof Download PDFInfo
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- CN102767246B CN102767246B CN201210230356.5A CN201210230356A CN102767246B CN 102767246 B CN102767246 B CN 102767246B CN 201210230356 A CN201210230356 A CN 201210230356A CN 102767246 B CN102767246 B CN 102767246B
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention relates to soundproof and insulation materials used in the filed of buildings such as a lift way, an equipment room, garage ceilings, karaoke bars and floor boards, and also relates to a soundproof and insulation layer comprising the material, and a preparation method and application thereof. The soundproof and insulation material comprises a sound-absorbing material main body and a surface coating layer, and the surface coating layer is arranged on the surface of the sound-absorbing material main body and integrated with the sound-absorbing material main body by using adhesives. The soundproof and insulation material can be used for effectively isolating various noises and absorbing various noises conducted through a wall body, the soundproof and insulation material also has a good insulation function, and the application scope is very wide.
Description
Technical field
The present invention relates to a kind of sound-insulating material, sound-insulating layer and its preparation method and application, especially, relate to a kind of sound-insulating material using for building fields such as elevator hoistways, machine room, pump house, garage ceiling, singing-hall, recording studio, floors, and the sound-insulating layer that comprises this sound-insulating material, manufacture a method for sound-insulating layer, and the application of sound-insulating layer in building field.
Background technology
Noise pollution becomes increasingly conspicuous in modern society, such as the noise of the generations such as elevator hoistways, machine room, pump house and garage ceiling is usually perplexing people.
Wherein noise of elevator is modal noise in life, and its noise source is divided into elevator machine room noise and elevator hoistways noise.These noises are directly directly outwards dispersed through body of wall on the one hand, conduct in room on the other hand via body of wall.In addition, due to narrow space in elevator hoistways, and each plane is parallel to each other, sound wave easily mutually stack produce standing wave, noise is amplified.
For these two kinds of noise sources, in prior art, there is following several solution.
Adopt slabbed construction or on plate surface, open circular hole to solve noise, yet the method exists configuration design comparatively single, the shortcoming lower to the absorptive capacity of noise.
Adopt the technical scheme of abatvoix, and in practical operation, in order to prevent that abatvoix is scattered, need to be at the attached layer of non-woven fabric entrant sound of plate face fabric, such as using the parcels such as glass plate, plastic sheeting.Therefore the method is not only produced and complicated construction technique, and has affected noise reduction and the fireproof performance of abatvoix.
Adopt rock wool, block of glass wool to make sound insulating material, the method first is directly fixed on hoistway inwall with nylon staple, although this practice low price, but after 3-5, resin can be degraded, or under the effect of hoistway blast, material can volatilize, come off, except losing sound insulation effect, also can affect environment, the spittle producing in addition can aggravate the noise of elevator operation.It two is with lightgage steel joist, gypsum plank or mineral wool abatvoix, and rock wool, glass wool class sound insulating material are plugged within the walls, although the method can avoid material to come off, but cost is very high, according to its price of different process between 160-220 unit, and the auxiliary material such as keel, gypsum plank are valuable more than main material, thereby cost is significantly improved.
Summary of the invention
The invention provides a kind of sound-insulating material, it comprises sound absorption material main body and surface coating, and surface coating is arranged on the surface of sound absorption material main body, by adhesive and sound absorption material body junction, is combined.
Wherein, sound absorption material main body consists of fiberglass needled mat or glass fiber acupuncture board, and its thickness is 10mm-50mm, and density is 60-180kg/m
3, wherein the glass fiber in sound absorption material main body comprises the glass fiber of two kinds of different-diameters, a kind of for diameter be the raw glass fiber of 12-15 μ m, a kind of for diameter be the thin glass fiber of 5-10 μ m, described thick, the weight mixed proportion of thin glass fiber is 30-70: 70-30, and the length of raw glass fiber is 40-80mm, the length of thin glass fiber is 40-80mm, raw glass fiber in described sound absorption material main body and thin glass fiber adopt unordered staggered interspersed mode combination, spatially present omnidirectional three-dimensional micropore structure, wherein raw glass fiber plays a supportive role in sound absorption material main body, thin glass fiber is for filling up the macrovoid of sound absorption material main body, and the void content of sound absorption material main body is greater than 80%, be preferably greater than 90%.
Wherein glass fiber adopts the mixed mode of taking of thickness can make fiberglass needled mat or glass fiber acupuncture board even aperture distribution, can make up the large and high shortcoming of thin glass fiber price of raw glass fiber needled felt hole, and the fiberglass needled mat obtaining or glass fiber acupuncture board Stability Analysis of Structures, soundproof effect are clearly better than the product soundproof effect that a kind of fiber of use prepares separately.The unordered staggered combination of interting forming, can guarantee that the material in sound absorption material main body is not scattered, thereby reach without dust, minimizing, forms the possibility such as human body diseases such as silicosis.
Further described the preferred embodiment of sound absorption material main body below.
The thickness of described fiberglass needled mat or glass fiber acupuncture board is preferably between 20-30mm, most preferably is 20mm.By comparing with 60mm rock wool class material, in experimentation, the noise reduction while using fiberglass needled mat or glass fiber acupuncture board is obvious, and between its daytime, index can reach below 37 decibels, night, index can reach below 33 decibels, met environmental requirement completely.Due to cost and the proportional routine relation of its thickness of fiberglass needled mat or glass fiber acupuncture board, by comparing, the fiberglass needled mat that 20mm is thick or glass fiber acupuncture board overall target are best.
In described fiberglass needled mat or glass fiber acupuncture board, the diameter of raw glass fiber is preferably 12-14 μ m, most preferably is 13 μ m; The diameter of thin glass fiber is preferably 6-8 μ m, most preferably is 7 μ m.
The preferred 40-70mm of length of described raw glass fiber, more preferably 55-60mm, most preferably is 58mm; The preferred 40-70mm of length of thin glass fiber, more preferably 55-60mm, most preferably is 58mm.Wherein, when the Length Ratio of raw glass fiber and thin glass fiber is 1: 1, best results.
The weight mixed proportion of described raw glass fiber and thin glass fiber is controlled and is preferably 40-60: 60-40, more preferably 45-55: 55-45, most preferably is 46: 54.
The raw glass fiber using in preferred version and the diameter of thin glass fiber, do not considering that under the impact of other factors, soundproof effect progressively improves, and when the diameter of raw glass fiber be 13 μ m, the best results when diameter of thin glass fiber is 7 μ m.
The raw glass fiber using in preferred version and the length of thin glass fiber, do not considering that under the impact of other factors, soundproof effect progressively improves, and when the length of raw glass fiber be 58mm, the best results when length of thin glass fiber is 58mm.
The raw glass fiber using in preferred version and the length of thin glass fiber, when the Length Ratio of raw glass fiber and thin glass fiber is 1: 1, due to the difference that can reduce between different length fiber, thereby further improve the stability of material.
The raw glass fiber using in preferred version and the mixed proportion of thin glass fiber, do not considering under the impact of other factors, soundproof effect progressively improves, and best results when the weight mixed proportion of raw glass fiber and thin glass fiber is 46: 54, surpasses or all can not make soundproof effect reach the highest lower than this ratio.
In addition, for the selection of raw glass fiber and thin glass fiber in fiberglass needled mat, when selecting the material that meets following performance requirement, the heat-insulation noise-reduction effect of material can further promote.
For the hot strength of raw glass fiber and thin glass fiber, higher hot strength can guarantee that the fiberglass needled mat obtaining has the good life-span, meets 100-300kg/cm in its hot strength
2time, reach good effect its application life, especially the hot strength when raw glass fiber is 100-250kg/cm
2time, the hot strength of thin glass fiber is 200-300kg/cm
2time, its application life is best.
Coefficient of thermal conductivity for raw glass fiber and thin glass fiber, its number range is selected between 0.0296-0.033W/mK, and, when the raw glass fiber of selecting and the coefficient of thermal conductivity of thin glass fiber meet following condition, heat insulation effect is better: raw glass fiber: 0.0296-0.030W/mK, thin glass fiber: 0.0299-0.033W/mK.By with polyphenyl plate, rock wool comparison (coefficient of thermal conductivity of polyphenyl plate and rock wool is more than 0.042W/mK), adopt raw glass fiber and the thin glass fiber of low thermal conductivity, except reaching good soundproof effect, can also reach 1.5W/ (m
2k) heat transfer requirement, thus make the fiberglass needled mat or the glass fiber acupuncture board that obtain there is good insulation and sound insulation double effects simultaneously.
Elongation rate for raw glass fiber and thin glass fiber, for the fiberglass needled mat that prevents from forming or glass fiber acupuncture board are in stressed rear distortion, the glass fiber with good elongation rate has better performance, the general glass fiber of elongation rate between 3-5% of selecting, especially when the elongation rate of raw glass fiber selects 3.1%, when the elongation rate of thin glass fiber is 4.9%, its application life is best.
For the density of raw glass fiber and thin glass fiber, the crude fibre of selecting and the density of fine fibre are at 2.12-2.54g/cm
3in the time of in scope, its cost reaches good effect.
Further described the preferred embodiment of surface coating below.
For the selection of surface coating, can select aluminium foil cloth, rock wool cloth, Polypropylence Sheet etc.
As preferred version, the thickness of described surface coating is 7-20 μ m, is preferably 10-16 μ m, more preferably 12-15 μ m, most preferably 14 μ m.By contrast experiment, show, do not considering under the impact of other factors, the surface coating of different-thickness is different from the adhesion of fiberglass needled mat felt, best results when selecting the thickness of aluminium foil cloth to be 14 μ m, can significantly improve the long service life of sound-insulating material and reduce its manufacturing cost.
When select aluminium foil cloth time; heat-conducting system at normal temperature is 0.02-0.03W/mK; light reflectivity >=85%; when tensile strength is 50-100MPa; can further improve its adhesion and endurance; thereby fiberglass needled mat or glass fiber acupuncture board are formed to good protective effect, extend its application life.
When selecting rock wool cloth, the density of described rock wool cloth is 100-150kg/m
3, the coefficient of thermal conductivity of normal temperature is 0.029-0.045W/mK, selects the rock wool cloth that meets this performance parameter, can further improve the corrosion resistance of sound absorption material main body, extends its application life.
When selecting Polypropylence Sheet, can improve its water proofing property and ornamental, make it be applied to more field, such as garage ceiling etc.
Further described the preferred embodiment of adhesive below.
For the selection of adhesive, can select at least one in rubber solvent type adhesive, hot melt adhersive or resinoid.
Wherein rubber solvent type adhesive can be selected the good glue of brothers or 401 glue, wherein the good glue of brothers and 401 glue all belong to commercially available common adhesive, use rubber solvent type adhesive when bonding, to improve speed of production, reduce production costs, and complete the closing of the product reaching meets production standard.
Wherein hot melt adhersive can be selected EVA hot melt glue or vinyl hot melt adhersive, use hot melt adhersive can guarantee that the surface coating smooth surface after compound is smooth, vertical transverse tensile strength is large, airtight, waterproof, good seal performance, and there is good weatherability.
Wherein resinoid can be selected thermosetting phenolic resin, use the product resistance to elevated temperatures of resinoid good, 200 ℃ of following high temperature can not lost cementability, also can guarantee that the surface coating smooth surface after compound is smooth, vertical lateral pull is large, waterproof, airtight, good seal performance, and has good weatherability.
When actual production is used, can select suitable adhesive according to conditions such as the residing environment of product, weather, temperature, and the preferred version that just provides of the above-mentioned various adhesives of selecting, and should not be construed as limitation of the present invention.
In addition, the sound-insulating material that surface coating and sound absorption material main body form has good natural hydrophobicity.By test, this sound-insulating material is without carrying out waterproofing work, and after material surface pouring, because sound-insulating material has nanostructured, water droplet can not be seeped into sound-insulating material internal, thereby reaches good hydrophobicity.And if this sound-insulating material is cleaned in water, after taking-up, wring out, its shape, performance can't change, this is also that in prior art, the sound insulating material of other kind does not have.
In addition, this sound-insulating material also has good temperature difference resistance, the applied range of this material, effectively serviceability temperature is between-140 ℃～700 ℃, in ultra-low temperature surroundings and hot environment, for example underground boiler flue inner side, can reach same heat insulation, noise reduction.
The present invention also provides a kind of sound-insulating layer, and this sound-insulating layer comprises the sound-insulating material of said structure.
The present invention also provides a kind of method of preparing sound-insulating layer, surface by above-mentioned sound-insulating material attachment at pending material, use bar for line or nylon staple that it is closely fixed on the surface of pending material, and the seam crossing between sound-insulating material is pasted, seals real with aluminum foil and adhesive tape, then with zinc-plated steel mesh, be pressed in adhesive tape outside, can prevent that like this sound-insulating material from drum having occurred, come off in the long-term rear surface of using, and reaches and the effect of constructional materials with the life-span it.
The present invention also provides the application of a kind of sound-insulating material in the fields such as elevator hoistways, machine room, pump house, garage ceiling, singing-hall, recording studio, home-use floor.
Beneficial effect: 1, this sound-insulating material can effectively completely cut off various noises, absorbs the various noises via body of wall conduction, can reach index between its daytime and can reach below 37 decibels, and night, index can reach below 33 decibels; 2, this sound-insulating material non-toxic evil, nonflammable, resistance to acids and bases and antiageing effect are good, can under various severe conditions, use; 3, should be combined with constructional materials firmly every single heat insulating material, and with the same life-span of building, can not come off; 4, thick, the mixed of fine fibre of this sound-insulating materials'use taken, not only make sound absorption material main body mesoporous be evenly distributed and hole little, and made up the deficiency of the large and fine fibre price of crude fibre Nomex hole; 5, this sound-insulating material also has insulation effect; 6, the manufacture method of sound-insulating layer is simple, and easy construction, quick can bulk be constructed, and during construction, gap is little; 7, this sound-insulating material is widely used, and can be used for the building engineering fields such as elevator hoistways, machine room, pump house, underground garage ceiling.
Accompanying drawing explanation
Fig. 1 is the structural representation of sound-insulating material.
Fig. 2 is that sound-insulating layer is arranged in the scheme of installation in elevator hoistways.
In figure: 1-sound absorption material main body, 2-surface coating, 3-aluminum foil and adhesive tape, 4-bar for line, the zinc-plated steel mesh of 5-.
The specific embodiment
Embodiment 1: a kind of sound-insulating material, and as shown in Figure 1, it comprises sound absorption material main body 1 and surface coating 2, surface coating is arranged on the surface of sound absorption material main body, by adhesive and sound absorption material body junction, is combined.
Embodiment 2: a kind of sound-insulating material, and it comprises sound absorption material main body 1 and surface coating 2, surface coating 2 is arranged on the surface of sound absorption material main body 1, by adhesive and sound absorption material body junction, is combined.Wherein, sound absorption material main body 1 consists of fiberglass needled mat or glass fiber acupuncture board, and its thickness is 10mm-50mm, and density is 60-180kg/m
3, wherein the glass fiber in sound absorption material main body comprises the glass fiber of two kinds of different-diameters, a kind of for diameter be the raw glass fiber of 12-15 μ m, a kind of for diameter be the thin glass fiber of 5-10 μ m, described thick, the weight mixed proportion of thin glass fiber is 30-70: 70-30, and the length of raw glass fiber is 40-80mm, the length of thin glass fiber is 40-80mm, raw glass fiber in sound absorption material main body and thin glass fiber adopt unordered staggered interspersed mode combination, spatially present omnidirectional three-dimensional micropore structure, wherein raw glass fiber plays a supportive role in sound absorption material main body, thin glass fiber is for filling up the macrovoid of sound absorption material main body, and the void content of sound absorption material main body is greater than 80%.And when the void content of sound absorption material main body is greater than 90%, soundproof effect is better than the material that void content is greater than 80%.
Embodiment 3: for sound-insulating material in embodiment 2, wherein the thickness of sound absorption material main body is 20-30mm, by comparing with 60mm rock wool class material, in experimentation, noise reduction while using fiberglass needled mat or glass fiber acupuncture board is obvious, between its daytime, index can reach below 37 decibels, and night, index can reach below 33 decibels.
Embodiment 4: for sound-insulating material in embodiment 2, wherein the thickness of sound absorption material main body is elected 20mm as.By comparing with 60mm rock wool class material, in experimentation, the noise reduction while using fiberglass needled mat or glass fiber acupuncture board is obvious, and between its daytime, index can reach below 35 decibels, and night, index can reach below 31 decibels.
Embodiment 5: for the sound-insulating material of implementing in 2, wherein in sound absorption material main body, the diameter of raw glass fiber is selected from 12-14 μ m, the diameter of thin glass fiber is selected from 6-8 μ m, its soundproof effect reaching is better than the soundproof effect of the sound-insulating material of embodiment 2, and noise size reduces approximately 1 decibel.
Embodiment 6: for the sound-insulating material of implementing in 2, wherein in sound absorption material main body, the diameter of raw glass fiber is 13 μ m; The diameter of thin glass fiber is 7 μ m, the soundproof effect of the gluttonous sound-insulating material in embodiment 5 of its soundproof effect reaching, and noise size reduces approximately 1 decibel.
Embodiment 7: for the sound-insulating material in embodiment 2, wherein the length of raw glass fiber is 40-70mm, and the length of thin glass fiber is 40-70mm.Its soundproof effect reaching is better than the soundproof effect of the sound-insulating material of embodiment 2, and noise size reduces approximately 1 decibel.
Embodiment 8: for the sound-insulating material in embodiment 2, wherein the length of raw glass fiber is 55-60mm, the length of thin glass fiber is 55-60mm, and its soundproof effect reaching is better than the soundproof effect of the sound-insulating material of embodiment 7, and noise size reduces approximately 1 decibel.
Embodiment 9: for the sound-insulating material in embodiment 2, wherein the length of raw glass fiber is 58mm, the length of thin glass fiber is 58mm, and its soundproof effect reaching is better than the soundproof effect of the sound-insulating material of embodiment 8, and noise size reduces approximately 1 decibel.
Embodiment 10: for the sound-insulating material in embodiment 2, wherein the weight mixed proportion of raw glass fiber and thin glass fiber is 40-60: 60-40, its soundproof effect reaching is better than the soundproof effect of the sound-insulating material of embodiment 2, and noise size reduces approximately 1 decibel.
Embodiment 11: for the sound-insulating material in embodiment 2, wherein the weight mixed proportion of raw glass fiber and thin glass fiber is 45-55: 55-45, its soundproof effect reaching is better than the soundproof effect of the sound-insulating material of embodiment 10, and noise size reduces approximately 1 decibel.
Embodiment 12: for the sound-insulating material in embodiment 2, wherein the weight mixed proportion of raw glass fiber and thin glass fiber is 46: 54, its soundproof effect reaching is better than the soundproof effect of the sound-insulating material of embodiment 11, and noise size reduces approximately 0.5 decibel.
Embodiment 13: for the sound-insulating material in embodiment 2, the hot strength of raw glass fiber and thin glass fiber wherein, higher hot strength can guarantee that the fiberglass needled mat or the glass fiber acupuncture board that obtain have the good life-span, meet 100-300kg/cm in its hot strength
2time, be better than the application life of the material of embodiment 2 its application life.
Embodiment 14: for the sound-insulating material in embodiment 2, the hot strength of raw glass fiber and thin glass fiber wherein, higher hot strength can guarantee that the fiberglass needled mat or the glass fiber acupuncture board that obtain have the good life-span, when the hot strength of raw glass fiber is 100-250kg/cm
2time, the hot strength of thin glass fiber is 200-300kg/cm
2time, be better than the application life of embodiment 13 its application life.
Embodiment 15: for the sound-insulating material in embodiment 2, for the coefficient of thermal conductivity of raw glass fiber and thin glass fiber, its number range is selected between 0.0296-0.033W/mK, and its heat insulation effect further improves, and is better than the material of embodiment 2.
Embodiment 16: for the sound-insulating material in embodiment 2, coefficient of thermal conductivity for raw glass fiber and thin glass fiber, when the raw glass fiber of selecting and the coefficient of thermal conductivity of thin glass fiber meet following condition, raw glass fiber: 0.0296-0.030W/mK, thin glass fiber: 0.0299-0.033W/mK, the material heat insulation effect obtaining is better than the material that embodiment 15 obtains.
Embodiment 17: for the sound-insulating material in embodiment 2, for the elongation rate of raw glass fiber and thin glass fiber, select the glass fiber of elongation rate between 3-5%, extend its application life.
Embodiment 18: for the sound-insulating material in embodiment 2, when the elongation rate of raw glass fiber, select 3.1%, when the elongation rate of thin glass fiber is 4.9%, be better than the material that embodiment 17 obtains its application life.
Embodiment 19: for the sound-insulating material in embodiment 2, for the density of raw glass fiber and thin glass fiber, the crude fibre of selecting and the density of fine fibre are at 2.12-2.54g/cm
3in the time of in scope, its cost and manufacturing process have higher cost performance.
Embodiment 20: for the sound-insulating material in embodiment 2, the thickness of surface coating is 7-20 μ m, and it can reduce the manufacturing cost of heat insulating material, and has good bonding force and application life between assurance and sound absorption material main body.
Embodiment 21: for the sound-insulating material in embodiment 2, the thickness of surface coating is 10-16 μ m, and it can reduce the manufacturing cost of heat insulating material, and and sound absorption material main body between bonding force be better than adhesion and the application life of embodiment 20.，
Embodiment 22: for the sound-insulating material in embodiment 2, the thickness of surface coating is 12-15 μ m, and it can reduce the manufacturing cost of heat insulating material, and are better than adhesion and the application life of embodiment 21 with the bonding force of sound absorption material main body.
Embodiment 23: for the sound-insulating material in embodiment 2, the thickness of surface coating is 14 μ m, and it can reduce the manufacturing cost of heat insulating material, and are better than adhesion and the application life of embodiment 22 with the bonding force of sound absorption material main body.
Embodiment 24: for the sound-insulating material in embodiment 2; when select aluminium foil cloth time; and aluminium foil cloth is 0.02-0.03W/mK at the heat-conducting system of normal temperature; light reflectivity >=85%; when tensile strength is 50-100MPa; can guarantee adhesion and endurance between aluminium foil cloth and fiberglass needled mat, thereby sound absorption material main body is formed to good protective effect, extend its application life.
Embodiment 25: for the sound-insulating material in embodiment 2, when selecting rock wool cloth, and the density of rock wool cloth is 100-150kg/m
3, the coefficient of thermal conductivity of normal temperature is 0.029-0.045W/mK, selects the rock wool cloth that meets this performance parameter, can further improve the corrosion resistance of sound absorption material main body, extends its application life.
Embodiment 26: for the sound-insulating material in embodiment 2, when selecting Polypropylence Sheet, can improve its water proofing property and ornamental, make it be applied to more field, such as garage ceiling etc.
Embodiment 27: for the sound-insulating material in embodiment 2, for example, when selecting rubber solvent type adhesive (the good glue of brothers or 401 glue), can guarantee that surface coating and sound absorption material main body binding speed are fast, reach the requirement of use, and with low cost.
Embodiment 28: for the sound-insulating material in embodiment 2, when selecting hot melt adhersive, surface coating and sound absorption material main body are bonded together, can guarantee that the material surface after compound is smooth, vertical transverse tensile strength is large, airtight, waterproof and have a good weatherability.
Embodiment 29: for the sound-insulating material in embodiment 2, for example, when selecting resinoid (thermosetting phenolic resin), surface coating after bonding and sound absorption material main body resistance to elevated temperatures are good, under the high temperature of 200 ℃, can not lose cementability, material surface after compound is smooth, and vertical transverse tensile strength is large, airtight, waterproof and have a good weatherability.
Embodiment 30: for embodiment 27-29, when use above-mentioned three kinds of adhesives wherein any one time, when the bonding force of control surface covering layer and sound absorption material main body is 20-25N/m, and in the scope of this bonding force, can guarantee that surface coating and sound absorption material main body combine closely.
Embodiment 31: the sound-insulating layer that comprises the sound-insulating material that embodiment 1-29 forms.
Embodiment 32: manufacture as the method for the sound-insulating layer of embodiment 30, surface by the sound-insulating material attachment in embodiment 1-29 at pending material, use bar for line 4 that it is closely fixed on the surface of pending material, and the seam crossing between sound-insulating material is pasted, seals real with aluminum foil and adhesive tape 3, then with zinc-plated steel mesh 5, be pressed in adhesive tape outside.
Embodiment 33: the sound-insulating layer of embodiment 30 is placed in the building fields such as elevator hoistways, machine room, pump house, garage ceiling, singing-hall, recording studio, home-use floor, thereby makes it reach the effect of sound-insulating.
For the sound-insulating layer in embodiment, for the thickness of sound absorption material main body wherein, the diameter of raw glass fiber and thin glass fiber, length in sound absorption material main body, the mixed proportion of raw glass fiber and thin glass fiber in sound absorption material main body, its effect to the sound insulation of sound-insulating layer, insulation, the aspect such as anti-corrosion has superposition, that is to say, when to above-mentioned parameter be chosen in preferable range time, its beneficial effect reaching superposes.
For the sound-insulating layer in embodiment, the performance parameter such as the hot strength of raw glass fiber and thin glass fiber, heat-conducting system, elongation rate, density wherein, its beneficial effect to sound-insulating layer also superposes, and those skilled in the art generally can reasonably adjust according to the needs of Performance and Cost Modeling.
For the sound-insulating layer in embodiment, in the present invention, only provided common several surface coatings, and those skilled in the art be can select according to actual needs different materials time, the effect of its performance is also different.For disclosed several surface coverage layer materials in the present invention, contrast, selects the surface coating of suitable performance parameter can further make sound-insulating layer have better performance by experiment.
Selection for adhesive, in the present invention, be also only to have provided several frequently seen adhesive, those skilled in the art can select different adhesives according to actual needs, and the effect that it reaches is also relevant to the selection of adhesive, and several adhesives of selecting all belong to available on market, representative has the material of generally acknowledged precise meaning, for the various adhesives of selecting in embodiment can to sound-insulating layer there is good surface flatness, the good performances such as vertical transverse tensile strength, while selecting the adhesive of other kinds, its effect is inferior to this two kinds of adhesives.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in manual and embodiment, it can be applied to various applicable fields of the present invention completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific and illustrates here and the example of describing.
Claims (4)
1. a sound-insulating material, it comprises sound absorption material main body and surface coating, surface coating is arranged on the surface of sound absorption material main body, by adhesive and sound absorption material body junction, is combined;
Wherein said sound absorption material main body consists of fiberglass needled mat or glass fiber acupuncture board, and its thickness is 10mm-50mm, and density is 60-180kg/m
3,
The glass fiber using in described sound absorption material main body is comprised of the glass fiber of two kinds of different-diameters,
For diameter is a raw glass fiber of 12-14 μ m,
For diameter is a thin glass fiber of 6-8 μ m,
The weight mixed proportion of described raw glass fiber and described thin glass fiber is 46: 54,
The length of described raw glass fiber is 55-60mm, and the length of thin glass fiber is 55-60mm,
The Length Ratio of described raw glass fiber and thin glass fiber is 1: 1;
Described raw glass fiber and thin glass fiber adopt unordered staggered interspersed mode combination, spatially present omnidirectional three-dimensional micropore structure, wherein raw glass fiber plays a supportive role in sound absorption material main body, thin glass fiber is for filling up the macrovoid of sound absorption material main body, and the void content of the sound absorption material main body obtaining is greater than 80%;
Described surface coating is selected rock wool cloth or Polypropylence Sheet;
The coefficient of thermal conductivity of described raw glass fiber and thin glass fiber meets following condition: raw glass fiber: 0.0296-0.030W/mK, thin glass fiber: 0.0299-0.033W/mK;
The elongation rate of described raw glass fiber and thin glass fiber is between 3-5%;
The density of described raw glass fiber and thin glass fiber is at 2.12-2.54g/cm
3in scope;
Described adhesive is selected a kind of in rubber solvent type adhesive, hot melt adhersive or resinoid;
The thickness of described surface coating is 7-20 μ m.
2. a sound-insulating layer, it comprises sound-insulating material claimed in claim 1.
3. a method of manufacturing sound-insulating layer, surface by sound-insulating material attachment claimed in claim 1 at pending material, use bar for line or nylon staple to be fixed on the surface of pending material, and the seam crossing between sound-insulating material is pasted, seals real with aluminum foil and adhesive tape, then with zinc-plated steel mesh, be pressed in aluminum foil and adhesive tape outside.
4. the application of the sound-insulating layer described in right to use requirement 2 in elevator hoistways, machine room, pump house, garage ceiling, singing-hall, recording studio.
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| CN201210230356.5A CN102767246B (en) | 2012-07-05 | 2012-07-05 | Soundproof and insulation materials, soundproof and insulation layer as well as preparation method and application thereof |
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| CN201210230356.5A CN102767246B (en) | 2012-07-05 | 2012-07-05 | Soundproof and insulation materials, soundproof and insulation layer as well as preparation method and application thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102995783A (en) * | 2012-11-23 | 2013-03-27 | 苏州科信遮阳新材料科技有限公司 | Heat insulation and sound absorption board |
| CN105314935B (en) * | 2015-10-21 | 2017-05-24 | 严晗 | Energy-saving and environment-friendly sound insulation and heat preservation method for building inner wall |
| CN108270179A (en) * | 2016-12-30 | 2018-07-10 | 上海杰事杰新材料(集团)股份有限公司 | A kind of composite cable slot box and preparation method thereof |
| CN113773124A (en) * | 2020-06-10 | 2021-12-10 | 红河锦东化工股份有限公司 | High-temperature sterilization activation kettle for producing active humic acid organic fertilizer |
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