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 PDFInfo
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- 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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- China
- Prior art keywords
- puffing
- plate
- resin
- sand
- sound
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- 239000004576 sand Substances 0.000 title claims abstract description 66
- 230000001007 puffing effect Effects 0.000 title claims abstract description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 87
- 229920005989 resin Polymers 0.000 claims abstract description 85
- 239000011347 resin Substances 0.000 claims abstract description 85
- 239000002245 particle Substances 0.000 claims abstract description 49
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000011230 binding agent Substances 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 11
- 239000004615 ingredient Substances 0.000 claims abstract description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 58
- 239000000835 fiber Substances 0.000 claims description 36
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 29
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 20
- 238000007711 solidification Methods 0.000 claims description 19
- 230000008023 solidification Effects 0.000 claims description 19
- 239000003063 flame retardant Substances 0.000 claims description 15
- 239000000654 additive Substances 0.000 claims description 13
- 230000000996 additive effect Effects 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 239000004115 Sodium Silicate Substances 0.000 claims description 8
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000391 magnesium silicate Substances 0.000 claims description 8
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 8
- 235000019792 magnesium silicate Nutrition 0.000 claims description 8
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 8
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 8
- DWSWCPPGLRSPIT-UHFFFAOYSA-N benzo[c][2,1]benzoxaphosphinin-6-ium 6-oxide Chemical group C1=CC=C2[P+](=O)OC3=CC=CC=C3C2=C1 DWSWCPPGLRSPIT-UHFFFAOYSA-N 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 239000004593 Epoxy Substances 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000011358 absorbing material Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 15
- 239000003822 epoxy resin Substances 0.000 description 13
- 238000002156 mixing Methods 0.000 description 13
- 229920000647 polyepoxide Polymers 0.000 description 13
- 235000019353 potassium silicate Nutrition 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 238000007654 immersion Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000005034 decoration Methods 0.000 description 7
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 6
- 229910052912 lithium silicate Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005554 pickling Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 229920000747 poly(lactic acid) Polymers 0.000 description 4
- 239000004626 polylactic acid Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000010451 perlite Substances 0.000 description 2
- 235000019362 perlite Nutrition 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 241000700647 Variola virus Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions 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
- C04B28/26—Silicates of the alkali metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, 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
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
Landscapes
- 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
Publications (1)
Publication Number | Publication Date |
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CN108755998A true CN108755998A (en) | 2018-11-06 |
Family
ID=63974320
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Application Number | Title | Priority Date | Filing Date |
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CN201810682156.0A Withdrawn 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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Country | Link |
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2018
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