CN108755998A - It is a kind of that sand abatvoix is covered based on puffing plate - Google Patents

It is a kind of that sand abatvoix is covered based on puffing plate Download PDF

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Publication number
CN108755998A
CN108755998A CN201810682156.0A CN201810682156A CN108755998A CN 108755998 A CN108755998 A CN 108755998A CN 201810682156 A CN201810682156 A CN 201810682156A CN 108755998 A CN108755998 A CN 108755998A
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CN
China
Prior art keywords
puffing
plate
resin
sand
sound
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Withdrawn
Application number
CN201810682156.0A
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Chinese (zh)
Inventor
燕翔
王熙伟
王旭光
王江华
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Beijing Deshang Jing Jie Technology Development Co Ltd
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Beijing Deshang Jing Jie Technology Development Co Ltd
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Priority to CN201810682156.0A priority Critical patent/CN108755998A/en
Publication of CN108755998A publication Critical patent/CN108755998A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/24Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26Silicates of the alkali metals
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84Sound-absorbing elements
    • E04B1/86Sound-absorbing elements slab-shaped
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482Coating or impregnation materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Architecture (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)

Abstract

The present invention relates to sound-absorbing material fields, covering sand abatvoix based on puffing plate in particular to a kind of;The sand abatvoix that covers based on puffing plate includes the sound-absorbing coating arranged successively, grid cloth and puffing plate substrate;The ingredient of the sound-absorbing coating includes filler and inorganic binder;The filler includes silica sand and resin particle.The material has very outstanding sound-absorbing sound absorbing power.

Description

It is a kind of that sand abatvoix is covered based on puffing plate
Technical field
The present invention relates to sound-absorbing material fields, covering sand abatvoix based on puffing plate in particular to a kind of.
Background technology
Sound-absorbing material is a kind of functional material of construction and decoration, it has the double requirements of sound absorption and decoration, Ji Yaomei See the particular/special requirement for realizing sound absorption again.And common sound-absorbing material cannot achieve the seamless dress of large area on domestic market Decorations, sound absorption characteristics can not customize the disadvantages such as regulation and control, environmental-protecting performance be poor, and part sound-absorbing material flame retardant property is relatively low.
In view of this, special propose the present invention.
Invention content
Sand abatvoix is covered based on puffing plate the purpose of the present invention is to provide a kind of, including the sound-absorbing arranged successively applies Layer, grid cloth and puffing plate substrate;
The ingredient of the sound-absorbing coating includes filler and inorganic binder;
The filler includes silica sand and resin particle.
Compared with prior art, beneficial effects of the present invention are:
(1) sound-absorbing coating sound-absorbing effect is good, also has good flame retardant effect;Resin particle is ensureing the same of sound absorption qualities When, moreover it is possible to effectively further promote the sound absorption qualities of centering low frequency noise;
(2) grid cloth can reinforce the bonding strength of sound-absorbing coating and puffing plate substrate;
(3) puffing plate substrate sound absorption qualities are good, high and low temperature resistance and corrosion resistance, do not adhere to, nonhazardous, stable chemical performance.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for covering sand abatvoix based on puffing plate that one embodiment of the invention is prepared.
Reference numeral:
1- sound-absorbing coatings;2- grid cloths;The puffing plate substrates of 3-.
Specific implementation mode
Sand abatvoix is covered based on puffing plate the present invention relates to a kind of, including arrange successively sound-absorbing coating, grid cloth and Puffing plate substrate;
The ingredient of the sound-absorbing coating includes filler and inorganic binder;
The filler includes silica sand and resin particle.
Preferably, the puffing plate includes expanded polytetrafluoroethylplate plate, polyfluortetraethylene plate (PTFE), fine perlite Plate.
Preferably, the weight for covering sand abatvoix, the silica sand and the resin particle based on puffing plate as described above Amount is than being 1:(0.8~1.4);
It is furthermore preferred that the weight ratio of the silica sand and the resin particle is 1:(1~1.2);
Preferably, the grain size of the silica sand is 45~130 mesh;More preferably 60~110 mesh;
Preferably, the grain size of the resin particle is 10~30 mesh;More preferably 20 mesh.
Preferably, sand abatvoix, the filler and the inorganic binder are covered based on puffing plate as described above Mass ratio is 70:10~20 (being calculated by water is not added with);
It is furthermore preferred that the mass ratio of the filler and the inorganic binder is 70:15.
Preferably, sand abatvoix is covered based on puffing plate as described above, the inorganic binder is viscous for silicate inorganic Tie agent;
Preferably, in parts by weight, the silicate inorganic binder includes:7~13 parts of sodium metasilicate, magnesium silicate 1~5 Part, 1~3 part of lithium metasilicate;Further include more preferably 12~18 parts of water;
It is furthermore preferred that in parts by weight, the silicate inorganic binder includes:9~11 parts of sodium metasilicate, magnesium silicate 2~4 Part, 1~3 part of lithium metasilicate;Further include more preferably 14~16 parts of water;
It is furthermore preferred that in parts by weight, the silicate inorganic binder includes:10 parts of sodium metasilicate, 3 parts of magnesium silicate, silicon 2 parts of sour lithium;Further include more preferably 15 parts of water.
Preferably, sand abatvoix is covered based on puffing plate as described above, the preparation method of the resin particle includes:
The fiber for being mixed with calcium carbonate is added into resin before resin solidification, in acid condition by institute after resin solidification State Decomposition of Calcium Carbonate;
Wherein, the fiber for being mixed with calcium carbonate is added preferably in the form of open weave object, before resin solidification uniformly It is immersed in resin, can tighten to form fixed interval between the open weave object of different layers, be just mixed in the resin after solidification The fiber of calcium carbonate;Before the Decomposition of Calcium Carbonate is decomposed in acid condition, can resin be first ground into set small Grain (or granulation), acid solution can be penetrated by the fibrous material of resin surface inside resin, and by dissolution of calcium carbonate, react generation CO2It can be discharged along fiber hole, to form the duct of connection inside resin;The resin particle hole being prepared by this law Gap rate is up to 50% or so;
It is further preferred that in pickling, to promote acid to penetrate into the CO that inside resin and reaction generates2Discharge, can Continue stir process.
By this manufacture craft, sand grains grain size can accurately regulate and control with molding mode, and then internal void is determined Thus size and arrangement mode produce the sound-absorbing coating of various different flow resistances and sound absorption characteristics.It is of the present invention porous Resin, sound-absorbing effect is more preferable, can effectively promote sound absorbing power.
Preferably, the additive amount of the fiber for being mixed with calcium carbonate account for solidification after resin volume 30%~40%;It is more excellent It is selected as 35%;
Preferably, a diameter of 0.1mm~0.2mm of the fiber;
Preferably, the fiber interweaving arrangement is added in resin before curing;
Preferably, pH=4~6 of the acid condition;It is furthermore preferred that acidolysis temperature is 110~120 DEG C, the acidolysis time For for 24 hours~48h.
Preferably, sand abatvoix is covered based on puffing plate as described above, it is described to be mixed with calcium carbonate in the fiber of calcium carbonate Additive amount be 20wt%~40wt%;More preferably 30wt%.
Preferably, the preparation method of the fiber for being mixed with calcium carbonate includes:
The calcium carbonate is mixed with the raw material of the fiber, 2.2~3.0 × 10-3It is vacuumized under Pa, in non-oxide gas Under atmosphere protection, mixing spinning after mixing is melted at 179 DEG C~200 DEG C.
Preferably, sand abatvoix is covered based on puffing plate as described above, added also into the resin before resin solidification Enter fire retardant;
Preferably, the fire retardant is DOPO;
Preferably, the additive amount of the fire retardant is the 6%~15% of the resin quality;More preferably 8%~13%.
Preferably, sand abatvoix is covered based on puffing plate as described above, the fiber is easily to decompose fiber, preferably poly- Acid fiber.
Acid fiber by polylactic is since density is low, fiber fluffy, is easy a large amount of calcium carbonate of incorporation, and it easily divides in acid condition Solution is easy to remove from resin.
Preferably, sand abatvoix is covered based on puffing plate as described above, the resin particle is acidproof heat-proof asphalt mixtures modified by epoxy resin Fat particle.
The epoxy resin of photocuring, such as epoxy resin CER-170 can be used.
Epoxy resin has many advantages, such as at low cost, light weight.
Preferably, sand abatvoix is covered based on puffing plate as described above, the sound-absorbing coating is divided into silica sand filler layer With resin particle filler layer, and the resin particle filler layer is adjacent with the grid cloth;
Preferably, the sound-absorbing coating surface further includes architectural surface.
The puffing plate of technique productions covers sand acoustic board intensity height, prevents fires, is moisture-proof, freeze proof, ageing-resistant through the invention, and Puffing plate covers sand plate also without any organic volatile in technique, is Green environmental-protection building sound-absorbing material.Color is various, seamless company It connects, beautiful design, can be widely applied to the various metopes that there is sound absorption to require or smallpox.
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is It can be with conventional products that are commercially available.
Embodiment 1
A kind of preparation method for covering sand abatvoix based on puffing plate of the present embodiment, including:
A. the preparation of inorganic binder:By 1 part of 7 parts of (parts by weight meter) sodium metasilicate, 5 parts of magnesium silicate, lithium metasilicate addition water 12 Part, obtain waterglass;
B. prepared by resin particle:
By calcium carbonate fiber/20 parts of nano particle, 80 parts of polylactic acid is added the screw rod with required compound width spout and squeezes In press, 2.66 × 10-3It is vacuumized under Pa, melting mixing under nitrogen protection, at 179 DEG C~200 DEG C is uniformly mixed, passes through Spinneret spins to it with the speed of about 0.5m/min and is cooled to about 20 DEG C of temperature.A diameter of 0.1mm of fiber ~0.2mm.By the fibrous woven obtained for being mixed with calcium carbonate at latticed, points 2 layers uniformly as in mold, (additive amount accounts for solidification The 30% of resin volume afterwards), it is (mixed with function monomer, oligomer in advance that epoxy resin CER-170 is slowly imported into the mold Close), preceding and DOPO fire retardants mixing (fire retardant additive amount accounts for the 6% of weight resin) is added in epoxy resin, just and has not been mixed with The fiber of calcium carbonate, then enters light source region by the speed resinized with 4m/min, and hardening time 10s adds up radiation 400mj/cm2
It crushes after solidification, is granulated using resin granulator, size controlling is in 10~30 mesh.
Resin particle obtained is soaked in the hydrochloric acid of pH=4 for 24 hours, stirring oscillation when immersion;
Pickling is gone after immersion, dries to obtain resin particle.
C. the fine perlite substrate that will smear arrange it is smooth after, cover one layer of grid cloth, then inhaled in surface smear Sound coating.Sound-absorbing coating need to smear three layers under normal circumstances:First layer smearing is to fill up the hole of substrate surface, second Layer smear be substrate is carried out it is levelling;First and second layer of thickness is 2.5mm;Third layer smears architectural surface.After each layer is smeared It is both needed to carry out naturally dry.Sound-absorbing coating can use the natural fine sand of different colours, different chilterns to be mixed with resin particle as original Material is modulated, and decoration is made to achieve the purpose that i.e. beautiful sound absorption again.
The grain size of fine sand is 45~130 mesh, and the grain size of resin particle is 10~30 mesh;The weight ratio of fine sand and resin particle It is 1:Filler is pressed after 0.8 mixing:Waterglass siccative=70:10 weight ratio, which is added in waterglass, is made filler slurry, carries out Above-mentioned smearing, is drying to obtain.
Embodiment 2
A kind of preparation method for covering sand abatvoix based on puffing plate of the present embodiment, including:
A. the preparation of inorganic binder:By 3 parts of 13 parts of (parts by weight meter) sodium metasilicate, 1 part of magnesium silicate, lithium metasilicate addition water 18 Part, obtain waterglass;
B. prepared by resin particle:
By calcium carbonate fiber/40 parts of nano particle, 60 parts of polylactic acid is added the screw rod with required compound width spout and squeezes In press, 2.66 × 10-3It is vacuumized under Pa, melting mixing under nitrogen protection, at 179 DEG C~200 DEG C is uniformly mixed, passes through Spinneret spins to it with the speed of about 0.5m/min and is cooled to about 20 DEG C of temperature.A diameter of 0.1mm of fiber ~0.2mm.By the fibrous woven obtained for being mixed with calcium carbonate at latticed, points 3 layers uniformly as in mold, (additive amount accounts for solidification The 40% of resin volume afterwards), it is (mixed with function monomer, oligomer in advance that epoxy resin CER-170 is slowly imported into the mold Close), preceding and DOPO fire retardants mixing (fire retardant additive amount accounts for the 15% of weight resin) is added in epoxy resin, just and has not been mixed with The fiber of calcium carbonate, then enters light source region by the speed resinized with 6m/min, and hardening time 6s adds up radiation 900mj/cm2
It crushes after solidification, is granulated using resin granulator, size controlling is in 10~30 mesh.
Resin particle obtained is soaked in the hydrochloric acid of pH=6,110~120 DEG C of reaction 48h, stirring oscillation when immersion;
Pickling is gone after immersion, dries to obtain resin particle.
C. the substrate polyfluortetraethylene plate that will smear arrange it is smooth after, one layer of grid cloth is covered, then in surface smear Sound-absorbing coating.Sound-absorbing coating need to smear three layers:First layer smearing is to fill up the hole of substrate surface, and second layer smearing is Substrate is carried out levelling;First and second layer of thickness is 7mm;Third layer spraying and decorating face layer.It is both needed to carry out certainly after each layer of smearing So dry.Sound-absorbing coating can use different colours, the natural fine sand of different chilterns is mixed as raw material with resin particle and is modulated, Decoration is set to achieve the purpose that i.e. beautiful sound absorption again.
The grain size of fine sand is 45~130 mesh, and the grain size of resin particle is 10~30 mesh;The weight ratio of fine sand and resin particle It is 1:Filler is pressed after 1.4 mixing:Waterglass siccative=70:20 weight ratio, which is added in waterglass, is made filler slurry, carries out Above-mentioned smearing, is drying to obtain.
Embodiment 3
A kind of preparation method for covering sand abatvoix based on puffing plate of the present embodiment, including:
A. the preparation of inorganic binder:By 2 parts of 12 parts of (parts by weight meter) sodium metasilicate, 4 parts of magnesium silicate, lithium metasilicate addition water 14 Part, obtain waterglass;
B. prepared by resin particle:
By calcium carbonate fiber/25 parts of nano particle, 75 parts of polylactic acid is added the screw rod with required compound width spout and squeezes In press, 2.66 × 10-3It is vacuumized under Pa, melting mixing under nitrogen protection, at 179 DEG C~200 DEG C is uniformly mixed, passes through Spinneret spins to it with the speed of about 0.4m/min and is cooled to about 20 DEG C of temperature.A diameter of 0.1mm of fiber ~0.2mm.By the fibrous woven obtained for being mixed with calcium carbonate at latticed, points 3 layers uniformly as in mold, (additive amount accounts for solidification The 32% of resin volume afterwards), it is (mixed with function monomer, oligomer in advance that epoxy resin CER-170 is slowly imported into the mold Close), preceding and DOPO fire retardants mixing (fire retardant additive amount accounts for the 12% of weight resin) is added in epoxy resin, just and has not been mixed with The fiber of calcium carbonate, then enters light source region by the speed resinized with 4m/min, and hardening time 80s adds up radiation 700mj/cm2
It crushes after solidification, is granulated using resin granulator, size controlling is in 10~30 mesh.
Resin particle obtained is soaked in the hydrochloric acid of pH=4,110~120 DEG C of reaction 30h, stirring oscillation when immersion;
Pickling is gone after immersion, dries to obtain resin particle.
C. the expanded PTFE substrate that will smear arrange it is smooth after, cover one layer of grid cloth, then applied on surface Smear sound-absorbing coating.Sound-absorbing coating need to smear three layers:First layer smears fine sand layer, is to fill up the hole of substrate surface, the Two layers smearing resin particle layers, be substrate is carried out it is levelling;First and second layer of thickness is 4mm;Third layer smears architectural surface. It is both needed to carry out naturally dry after each layer of smearing.Fine sand layer can use different colours, the natural fine sand and resin particle of different chilterns Mixing is modulated as raw material, and decoration is made to achieve the purpose that i.e. beautiful sound absorption again.
The grain size of fine sand is 45~130 mesh, and the grain size of resin particle is 10~30 mesh;The weight ratio of fine sand and resin particle It is 1:1, by filler:Waterglass siccative=70:Fine sand and resin particle are added in waterglass respectively by 13 weight ratio respectively Filler slurry is made, carries out above-mentioned smearing, is drying to obtain.
Embodiment 4
A kind of preparation method for covering sand abatvoix based on polyfluortetraethylene plate of the present embodiment, including:
A. the preparation of inorganic binder:By 2 parts of 10 parts of (parts by weight meter) sodium metasilicate, 3 parts of magnesium silicate, lithium metasilicate addition water 15 Part, obtain waterglass;
B. prepared by resin particle:
By calcium carbonate fiber/30 parts of nano particle, 70 parts of polylactic acid is added the screw rod with required compound width spout and squeezes In press, 2.66 × 10-3It is vacuumized under Pa, melting mixing under nitrogen protection, at 179 DEG C~200 DEG C is uniformly mixed, passes through Spinneret spins to it with the speed of about 0.5m/min and is cooled to about 20 DEG C of temperature.A diameter of 0.1mm of fiber ~0.2mm.By the fibrous woven obtained for being mixed with calcium carbonate at latticed, points 3 layers uniformly as in mold, (additive amount accounts for solidification The 35% of resin volume afterwards), it is (mixed with function monomer, oligomer in advance that epoxy resin CER-170 is slowly imported into the mold Close), preceding and DOPO fire retardants mixing (fire retardant additive amount accounts for the 14% of weight resin) is added in epoxy resin, just and has not been mixed with The fiber of calcium carbonate, then enters light source region by the speed resinized with 5m/min, and hardening time 8s adds up radiation 600mj/cm2
It crushes after solidification, is granulated using resin granulator, size controlling is in 10~30 mesh.
Resin particle obtained is soaked in the hydrochloric acid of pH=5,110~120 DEG C of reaction 36h, stirring oscillation when immersion;
Pickling is gone after immersion, dries to obtain resin particle.
C. the puffing plate of the substrate that will smear arrange it is smooth after, cover one layer of grid cloth, then applied in surface smear sound-absorbing Layer.Sound-absorbing coating need to smear three layers:First layer resin particle layer is to fill up the hole of substrate surface, and the second layer is smeared Fine sand layer, be substrate is carried out it is levelling;First and second layer of thickness is 4mm;Third layer spraying and decorating face layer.After each layer is smeared It is both needed to carry out naturally dry.Fine sand layer can use the natural fine sand of different colours, different chilterns to be mixed with resin particle as raw material It is modulated, decoration is made to achieve the purpose that i.e. beautiful sound absorption again.
The grain size of fine sand is 45~130 mesh, and the grain size of resin particle is 10~30 mesh;The weight ratio of fine sand and resin particle It is 1:1.4, by filler:Waterglass siccative=70:Fine sand and resin particle are added in waterglass respectively by 15 weight ratio respectively From extender paste material is made, above-mentioned smearing is carried out, is drying to obtain.
Comparative example
It is same as Example 4, it differs only in, does not add the fiber for being mixed with calcium carbonate, but still through peracid treatment, and will It is granulated after epoxy resin CER-170 directly solidifications.
Compare for convenience, the thickness of puffing plate is 18mm in above-described embodiment and comparative example, and the density used is 0.3~0.5g/cm3Puffing plate.But this is not a limitation of the present invention, and those skilled in the art can select according to their needs Select the puffing plate of any thickness and density.
Experimental example
Acoustical absorptivity of the Felt under alternative sounds frequency obtained by various embodiments of the present invention and comparative example is detected, as a result As shown in table 1.
Acoustical absorptivity compares under 1 different frequency of table
2 mechanical performance of table
Performance indicator Embodiment 2 Embodiment 4 Comparative example
Anti-flammability (LOI, %) 59 56 57
Bulking factor (≤%) 0.08 0.06 0.08
Compression strength (>=MPa) 28.6 28.7 29.1
Note:Sound reduction index la, that is, weighted transmission loss RW
By Tables 1 and 2 as can be seen that the present invention be prepared based on puffing plate cover sand abatvoix have it is excellent Sound absorption effect, after the porous resin for using specific dosage, sound absorbing performance further increases, and passes through this manufacture craft, sand grains Grain size can accurately regulate and control with molding mode, and then the size and arrangement mode of internal void is determined, thus produce each The sound-absorbing coating of kind different flow resistances and sound absorption characteristics.Porous resin of the present invention, sound-absorbing effect is more preferable, can effectively carry Rise sound absorbing power.
In addition, the sand abatvoix that covers based on puffing plate that the present invention is prepared also has outstanding fire resistance property, bulking Rate and compression strength are also all very good, are suitable for the application of indoor sound absorption sound.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, but it will be understood by those of ordinary skill in the art that:Its It still can be with technical scheme described in the above embodiments is modified, either to which part or all technical features Carry out equivalent replacement;And these modifications or replacements, various embodiments of the present invention skill that it does not separate the essence of the corresponding technical solution The range of art scheme.

Claims (10)

1. a kind of covering sand abatvoix based on puffing plate, which is characterized in that including sound-absorbing coating, the grid cloth and swollen arranged successively Change plate substrate;
The ingredient of the sound-absorbing coating includes filler and inorganic binder;
The filler includes silica sand and resin particle.
2. according to claim 1 cover sand abatvoix based on puffing plate, which is characterized in that the silica sand and the tree The weight ratio of fat particle is 1:(0.8~1.4);
Preferably, the grain size of the silica sand is 45~130 mesh;
Preferably, the grain size of the resin particle is 10~30 mesh.
3. according to claim 1 cover sand abatvoix based on puffing plate, which is characterized in that the filler and the nothing The mass ratio of machine binder is 70:10~20.
4. according to claim 1 cover sand abatvoix based on puffing plate, which is characterized in that the inorganic binder is silicon Hydrochlorate inorganic binder;
Preferably, in parts by weight, the silicate inorganic binder includes:7~13 parts of sodium metasilicate, 1~5 part of magnesium silicate, silicon 1~3 part of sour lithium.
5. according to claim 1 cover sand abatvoix based on puffing plate, which is characterized in that the preparation of the resin particle Method includes:
The fiber for being mixed with calcium carbonate is added into resin before resin solidification, in acid condition by the carbon after resin solidification Sour calcium decomposes;
Preferably, the additive amount of the fiber for being mixed with calcium carbonate account for solidification after resin volume 30%~40%;
Preferably, a diameter of 0.1mm~0.2mm of the fiber;
Preferably, the fiber interweaving arrangement is added in resin before curing;
Preferably, pH=4~6 of the acid condition.
6. according to claim 5 cover sand abatvoix based on puffing plate, which is characterized in that the fibre for being mixed with calcium carbonate The additive amount of calcium carbonate is 20wt%~40wt% in dimension.
7. according to claim 5 cover sand abatvoix based on puffing plate, which is characterized in that also to institute before resin solidification It states and fire retardant is added in resin;
Preferably, the fire retardant is DOPO.
8. covering sand abatvoix based on puffing plate according to claim 5~7 any one of them, which is characterized in that the fiber Easily to decompose fiber, preferably acid fiber by polylactic.
9. covering sand abatvoix based on puffing plate according to claim 1~7 any one of them, which is characterized in that the resin Particle is acidproof heat-proof epoxy particles.
10. covering sand abatvoix based on puffing plate according to claim 1~7 any one of them, which is characterized in that the sound-absorbing Coating is divided into silica sand filler layer and resin particle filler layer, and the resin particle filler layer and the grid cloth phase It is adjacent;
Preferably, the sound-absorbing coating surface further includes architectural surface.
CN201810682156.0A 2018-06-27 2018-06-27 It is a kind of that sand abatvoix is covered based on puffing plate Withdrawn CN108755998A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810682156.0A CN108755998A (en) 2018-06-27 2018-06-27 It is a kind of that sand abatvoix is covered based on puffing plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810682156.0A CN108755998A (en) 2018-06-27 2018-06-27 It is a kind of that sand abatvoix is covered based on puffing plate

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Publication Number Publication Date
CN108755998A true CN108755998A (en) 2018-11-06

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