CN108751914A - A kind of sound absorption floor tile - Google Patents

A kind of sound absorption floor tile Download PDF

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Publication number
CN108751914A
CN108751914A CN201810682149.0A CN201810682149A CN108751914A CN 108751914 A CN108751914 A CN 108751914A CN 201810682149 A CN201810682149 A CN 201810682149A CN 108751914 A CN108751914 A CN 108751914A
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CN
China
Prior art keywords
floor tile
sound absorption
resin
fiber
absorption floor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810682149.0A
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Chinese (zh)
Inventor
燕翔
于晓蕾
王熙伟
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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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Application filed by Beijing Deshang Jing Jie Technology Development Co Ltd filed Critical Beijing Deshang Jing Jie Technology Development Co Ltd
Priority to CN201810682149.0A priority Critical patent/CN108751914A/en
Publication of CN108751914A publication Critical patent/CN108751914A/en
Withdrawn legal-status Critical Current

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    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • 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
    • C04B2111/52—Sound-insulating materials
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/045—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Textile Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Floor Finish (AREA)

Abstract

The present invention relates to sound-absorbing material fields, in particular to a kind of sound absorption floor tile comprising abatvoix, the abatvoix are internally provided with grid cloth；The abatvoix includes filler and inorganic binder；The filler includes silica sand and resin particle.The sound absorption floor tile has very outstanding sound absorbing performance, mechanical strength also fine.

Description

A kind of sound absorption floor tile
Technical field
The present invention relates to sound-absorbing material fields, in particular to a kind of sound absorption floor tile.
Background technology
Floor tile is the important material of architecture indoor finishing, and usual floor tile is not no sound absorption function, is generally required in wall Sound-absorbing material is designed to provide sound absorption for space in face or top surface.If if floor tile can also realize sound absorption, absorb sound floor tile The absorption of very large area is provided for space, greatly room for promotion sound absorption effect, be hall building, silencing channel, industry The spaces such as workshop, the product of sound absorption can be realized on ground by providing one.
In view of this, special propose the present invention.
Invention content
The purpose of the present invention is to provide a kind of sound absorption floor tile, including abatvoix, the abatvoix is internally provided with grid Cloth；
The abatvoix 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 effect is good, also has good flame retardant effect；
(2) overall mechanical strength is good；
(3) without toxic volatile matter, safe green in material therefor；
(4) it can be absorbed sound effect using ground to realize large area.
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 the sound absorption floor tile that one embodiment of the invention is prepared；1- abatvoixs, 2- grids Cloth.
Specific implementation mode
The present invention relates to a kind of sound absorption floor tile, including abatvoix, the abatvoix is internally provided with grid cloth；
The abatvoix includes filler and inorganic binder；
The filler includes silica sand and resin particle.
Add one layer of grid cloth inside abatvoix, compression strength, flexural strength, Split-tension of Rolled, shock resistance can be greatly promoted Intensity.The sound absorption floor tile intensity height of such technique productions prevents fires, is moisture-proof, freeze proof, ageing-resistant, and non-adhesive in technique, inhales Sound floor tile is also Green environmental-protection building sound-absorbing material without any organic volatile.It can be widely applied to various hall buildings, eliminate the noise Channel, industrial premises etc..
Preferably, absorb sound floor tile as described above, and the weight ratio of the silica sand and the resin particle is 1：(0.1~ 0.3)；
It is furthermore preferred that the weight ratio of the silica sand and the resin particle is 1：0.2；
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, absorb sound floor tile as described above, and the mass ratio of the filler and the inorganic binder 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, absorb sound floor tile as described above, and the inorganic binder is silicate inorganic binder；
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, absorb sound floor tile as described above, further includes silane coupling agent in the raw material of the abatvoix；
Preferably, the silane coupling agent is KH-560；
Preferably, the additive amount of the silane coupling agent accounts for 0.1wt%~0.5wt% of the abatvoix gross mass；Also It can select 0.2wt%, 0.3wt%, 0.4wt%.
Absorb sound floor tile due to application scenarios requirement, it is very stringent to the intensity requirement of material.Although the addition of resin material The sound absorption effect of floor tile can be obviously increased, but can also reduce the overall mechanical strength of floor tile simultaneously.Thus on the one hand, it needs to add Suitable resin material, in sound absorption and one equalization point of searching in mechanical strength, on the one hand the present invention is also even by adding silane Join agent and reinforce resin material and silicate inorganic adhesive, the direct bonding strength of silica sand, to increase whole mechanical strength.
Preferably, absorb sound floor tile as described above, and 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 is for 24 hours~48h.
Preferably, absorb sound floor tile as described above, and the additive amount for being mixed with calcium carbonate in the fiber of calcium carbonate is 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, absorb sound floor tile as described above, and fire retardant also is added into the resin before resin solidification；
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, absorb sound floor tile as described above, and the fiber is easily to decompose fiber, preferably acid fiber by polylactic.
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, absorb sound floor tile as described above, and the resin particle is acidproof heat-proof epoxy particles.
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.
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 of sound absorption floor tile 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. filler is the resin particle of the silica sand and 10~30 mesh of 45~130 mesh, by 1：0.1 quality is than mixing, while stirring It mixes side and uniformly sprays silane coupling agent KH-560, additive amount is the 0.4wt% of filler gross mass based on KH-560 sterlings.
Filler is then pressed into filler：Waterglass siccative=70:10 weight ratio, which is added in waterglass, is made filler slurry, Filler slurry is poured into mold, centre paving one layer of grid cloth, then above grid cloth again fall one layer of filler slurry, through drying, Can must absorb sound floor tile after maintenance.
Embodiment 2
A kind of preparation method of sound absorption floor tile 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. filler is the resin particle of the silica sand and 10~30 mesh of 45~130 mesh, by 1：0.3 quality is than mixing, while stirring It mixes side and uniformly sprays silane coupling agent KH-560, additive amount is the 0.1wt% of filler gross mass based on KH-560 sterlings.
Filler is then pressed into filler：Waterglass siccative=70:20 weight ratio, which is added in waterglass, is made filler slurry, Filler slurry is poured into mold, centre paving one layer of grid cloth, then above grid cloth again fall one layer of filler slurry, through drying, Can must absorb sound floor tile after maintenance.
Embodiment 3
A kind of preparation method of sound absorption floor tile 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. filler is the resin particle of the silica sand and 10~30 mesh of 45~130 mesh, by 1：0.2 quality is than mixing, while stirring It mixes side and uniformly sprays silane coupling agent KH-560, additive amount is the 0.5wt% of filler gross mass based on KH-560 sterlings.
Filler is then pressed into filler：Waterglass siccative=70:13 weight ratio, which is added in waterglass, is made filler slurry, Filler slurry is poured into mold, centre paving one layer of grid cloth, then above grid cloth again fall one layer of filler slurry, through drying, Can must absorb sound floor tile after maintenance.
Embodiment 4
A kind of preparation method of sound absorption floor tile 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. filler is the resin particle of the silica sand and 10~30 mesh of 45~130 mesh, by 1：0.2 quality is than mixing, while stirring It mixes side and uniformly sprays silane coupling agent KH-560, additive amount is the 0.3wt% of filler gross mass based on KH-560 sterlings.
Filler is then pressed into filler：Waterglass siccative=70:15 weight ratio, which is added in waterglass, is made filler slurry, Filler slurry is poured into mold, centre paving one layer of grid cloth, then above grid cloth again fall one layer of filler slurry, through drying, Can must absorb sound floor tile after maintenance.
Comparative example 1
It is same as Example 4, it differs only in, in step b), does not add the fiber for being mixed with calcium carbonate, but still pass through Acid processing, and will be granulated after epoxy resin CER-170 directly solidification.
Comparative example 2
It is same as Example 4, it differs only in, in step c), does not add grid cloth.
Comparative example 3
It is same as Example 4, it differs only in, in step c), does not add silane coupling agent KH-560.
For convenience of comparison techniques effect, the thickness of sound absorption floor tile finished product is 40mm in above-described embodiment and comparative example, and It is central (at 20mm) that grid cloth is respectively positioned on sound absorption floor tile (if any).But this is not a limitation of the present invention, this field Technical staff can prepare the sound absorption floor tile of any thickness according to their needs.
Experimental example
The acoustical absorptivity of the embodiment of the present invention 4 and 1 gained sound absorption floor tile of comparative example under alternative sounds frequency is detected, as a result As shown in table 1.
Acoustical absorptivity compares under 1 different frequency of table
The mechanical performance of 2,3 gained sound absorption floor tile of the embodiment of the present invention 4 and comparative example is detected, the results are shown in Table 2.
The mechanical performance of the different sound absorption floor tiles of table 2 compares
It can be seen from Table 1 that the sound absorption floor tile that the present invention is prepared has excellent sound absorption effect, use specific After the porous resin of dosage, sound absorbing performance further increases, and by this manufacture craft, sand grains grain size can be accurate with molding mode Ground regulates and controls, and then the size and arrangement mode of internal void is determined, thus produces various different flow resistances and sound absorption characteristics Absorb sound floor tile.It is generally acknowledged that resin belongs to macromolecule foaming sound-absorbing material, performance is stable, unit weight is small, moisture-proof, corrosion-resistant, tool There are many outstanding physical characteristics.The macromolecule of different properties is can be made into using different resin and foaming method in the prior art Expanded material, however these method one side porositys are also not high enough to, on the other hand, many holes are located inside resin, sound Wave is often difficult to enter, to which substantial effective drainage porosity is very low.Resin particle provided by the present invention, internal void are to pass through The channel worn coordinates the viscous-elastic behaviour of resin itself, can effectively absorb the energy of sound wave to make the incident acoustic energy part be To whole consumption, achieve the effect that sound absorption.
For the present invention by using grid cloth and silane coupling agent, the sound absorption floor tile being prepared has extraordinary resistance to compression Intensity, tensile splitting strength, impact strength, bulking factor and frost resistance；In addition, combustibility is A grades, can be widely applied to The ground of various places.
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 sound absorption floor tile, which is characterized in that including abatvoix, the abatvoix is internally provided with grid cloth；
The abatvoix includes filler and inorganic binder；
The filler includes silica sand and resin particle.
2. sound absorption floor tile according to claim 1, which is characterized in that the weight ratio of the silica sand and the resin particle It is 1：(0.1~0.3)；
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. sound absorption floor tile according to claim 1, which is characterized in that the quality of the filler and the inorganic binder Than being 70:10~20.
4. sound absorption floor tile according to claim 1, which is characterized in that the inorganic binder bonds for silicate inorganic Agent；
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. sound absorption floor tile according to claim 4, which is characterized in that further include silane coupled in the raw material of the abatvoix Agent；
Preferably, the silane coupling agent is KH-560；
Preferably, the additive amount of the silane coupling agent accounts for 0.1wt%~0.5wt% of the abatvoix gross mass.
6. sound absorption floor tile according to claim 1, which is characterized in that 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 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.
7. sound absorption floor tile according to claim 6, which is characterized in that described to be mixed with adding for calcium carbonate in the fiber of calcium carbonate Dosage is 20wt%~40wt%.
8. sound absorption floor tile according to claim 6, which is characterized in that resistance is added also into the resin before resin solidification Fire agent；
Preferably, the fire retardant is DOPO.
9. according to claim 6~8 any one of them sound absorption floor tile, which is characterized in that the fiber is easily to decompose fiber, excellent It is selected as acid fiber by polylactic.
10. according to claim 1~8 any one of them sound absorption floor tile, which is characterized in that the resin particle is acidproof heat-proof Epoxy particles.
CN201810682149.0A 2018-06-27 2018-06-27 A kind of sound absorption floor tile Withdrawn CN108751914A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810682149.0A CN108751914A (en) 2018-06-27 2018-06-27 A kind of sound absorption floor tile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810682149.0A CN108751914A (en) 2018-06-27 2018-06-27 A kind of sound absorption floor tile

Publications (1)

Publication Number Publication Date
CN108751914A true CN108751914A (en) 2018-11-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810682149.0A Withdrawn CN108751914A (en) 2018-06-27 2018-06-27 A kind of sound absorption floor tile

Country Status (1)

Country Link
CN (1) CN108751914A (en)

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