CN108726981A - A kind of sound absorption architectural material and preparation method thereof - Google Patents

A kind of sound absorption architectural material and preparation method thereof Download PDF

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Publication number
CN108726981A
CN108726981A CN201811033460.9A CN201811033460A CN108726981A CN 108726981 A CN108726981 A CN 108726981A CN 201811033460 A CN201811033460 A CN 201811033460A CN 108726981 A CN108726981 A CN 108726981A
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parts
gangue
sound absorption
mixed
water
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Inventor
辛松
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Hefei Jiuxin Stainless Steel Kitchenware Co Ltd
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Hefei Jiuxin Stainless Steel Kitchenware Co Ltd
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Priority to CN201811033460.9A priority Critical patent/CN108726981A/en
Publication of CN108726981A publication Critical patent/CN108726981A/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
    • C04B28/30Compositions 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 magnesium cements or similar cements
    • C04B28/32Magnesium oxychloride cements, e.g. Sorel cement
    • 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
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02Treatment
    • C04B20/023Chemical treatment
    • 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
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02Treatment
    • C04B20/04Heat treatment
    • 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
    • C04B2111/52Sound-insulating materials
    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses a kind of sound absorption architectural materials and preparation method thereof, are related to building material technical field, which includes the raw material of following parts by weight:40-55 parts of foam cement, 25-30 parts of modified gangue, 16-20 parts of quartz sand, 8-12 parts of calcium carbonate crystal whisker, 10-16 parts of active carbon powder, 6-12 parts of mixed modifier, 2-8 parts of plant fiber, 2-10 parts of sodium pyrophosphate, 3-8 parts of barium stearate, 1-7 parts of dodecyl sodium sulfate;The preparation method of the construction material includes mixing, curing step.The construction material has the advantages that the material at low cost, soundproof effect is good.

Description

A kind of sound absorption architectural material and preparation method thereof
Technical field
The invention belongs to building material technical fields, and in particular to a kind of sound absorption architectural material and preparation method thereof.
Background technology
Currently, with the continuous development of up-to-dateness, various machineries, equipment have obtained the application of high speed, to people with While carrying out prosperity, while more and more noises are also created, noise pollution has become the danger for influencing people's physical and mental health One of evil, can not only cause to damage, can also induce the disease of a variety of such as cancers to hearing, moreover, working people's lives Also it is interfered.
Mainly some are filled inside construction material can absorb noise or isolation to acoustic material in the prior art The material of noise, this kind of construction material have that of high cost, soundproof effect is poor.
The Chinese invention patent application of Publication No. CN107434376A discloses a kind of soundproof construction composition and its preparation Method, the formula is by fire retardant, epoxy resin, flyash, diatomite, calcium carbonate, glass fibre, phenolic resin, polyethylene Resin, acrylic emulsion, ceramic powder, land plaster, cement, anhydrous magnesium chloride powder, wetting agent, waterproofing agent, mould inhibitor, water, activity Charcoal is mixed in a certain ratio composition;Preparation method of the present invention includes the following steps:Dispensing prepares mixture A, prepares mixture B, mixture C and moulding by casting are prepared;Manufacturing cost of the present invention is low, and material environmental protection also has surface light except sound insulation value is high The characteristics such as clean, convenient formation, cohesive force be strong, moisture-proof, waterproof and fire prevention, ageing resistance is strong, not easily to fall off, and stability is high;This hair Bright manufacture craft is simple, easy to operate, and service life is long, is a kind of ideal architecture material of good combination property.But the hair Bright material is various, and preparation process is complicated, with high costs, is unsuitable for being applicable on a large scale.
Notification number is the Chinese invention patent of CN103160018B, a kind of high tenacity acoustic dampening composite is disclosed, by wrapping Component containing following parts by weight is made:Organic fiber toughened polypropylene composite 30-50 parts by weight, acoustic material master batch 50- 70 parts by weight.Wherein, organic fiber toughened polypropylene composite includes the component with following parts by weight:Polypropylene 46- 67.4 parts by weight, organic fiber 30-50 parts by weight, compatilizer 2-3 parts by weight, 0.6 parts by weight of antioxidant;Acoustic material master batch packet Containing the component with following parts by weight:Polypropylene 49.7-59.7 parts by weight, sound insulation packing material 40-50 parts by weight, antioxidant 0.3 parts by weight.The invention also discloses the preparation methods of the high tenacity acoustic dampening composite.The high tenacity sound insulation of the invention is compound Material has good sound insulation value and outstanding mechanical performance, is provided simultaneously with machine-shaping convenience, product design design certainly By spend height, excellent spring, it is resistant to chemical etching the features such as.But the composite material that the invention is prepared still has soundproof effect not Ideal situation.
Invention content
The object of the present invention is to provide a kind of sound absorption architectural material and preparation method thereof, which has with the material Have the advantages that at low cost, soundproof effect is good.
To achieve the above object, the present invention provides the following technical solution:
A kind of sound absorption architectural material includes the raw material of following parts by weight:40-55 parts of foam cement, modified gangue 25-30 Part, 16-20 parts of quartz sand, 8-12 parts of calcium carbonate crystal whisker, 10-16 parts of active carbon powder, 6-12 parts of mixed modifier, plant fiber 2-8 parts, 2-10 parts of sodium pyrophosphate, 3-8 parts of barium stearate, 1-7 parts of dodecyl sodium sulfate;
The mixed modifier is the mixture of industrial yellow starch gum powder, dimethicone and hydrogen peroxide.
Preferably, include the raw material of following parts by weight:42-53 parts of foam cement, 27-28 parts of modified gangue, quartz sand 17-19 parts, it is 9-11 parts of calcium carbonate crystal whisker, 12-14 parts of active carbon powder, 8-10 parts of mixed modifier, 4-6 parts of plant fiber, burnt 4-8 parts of sodium phosphate, 5-6 parts of barium stearate, 3-5 parts of dodecyl sodium sulfate;
The mixed modifier is the mixture of industrial yellow starch gum powder, dimethicone and hydrogen peroxide.
Preferably, include the raw material of following parts by weight:47.5 parts of foam cement, 27.5 parts of modified gangue, quartz sand 18 Part, 10 parts of calcium carbonate crystal whisker, 13 parts of active carbon powder, 9 parts of mixed modifier, 5 parts of plant fiber, 6 parts of sodium pyrophosphate, stearic acid 5.5 parts of barium, 4 parts of dodecyl sodium sulfate;
The mixed modifier is the mixture of industrial yellow starch gum powder, dimethicone and hydrogen peroxide.
Preferably, the preparation method of the foam cement includes the following steps:
(1) stirring liquid is prepared, takes magnesia, magnesium chloride, calcium stearate and water according to mass ratio 1.5:1:2:40 mixing are equal It is even to obtain mixed solution, the polyglycol ether of mixed solution mass parts 8% and 5% hydrogenperoxide steam generator are added, is stirred Mix liquid;
(2) by cement, silicone amide and polyester fiber according to mass ratio 10:0.6:1 dry mixing is uniformly mixed, then and step (1) the stirring liquid mixing in after reacting 30-60 minutes stabilizations, obtains the foam cement that water content is 55-63%.
Preferably, the preparation method of the modified gangue is:By gangue, iron powder and borax according to mass ratio 10: 0.5:2 ground and mixeds are uniform, roasted 2-3 hours under conditions of 600-800 DEG C, after cooling, add gangue mass parts 8% Gamma-aminopropyl-triethoxy-silane, 10% sodium dihydrogen phosphate and 60% water, at 60-70 DEG C, with 250-300r/min Speed stir 30-45 minute, spray drying, add mass percentage concentration for 78-86% ethanol solution and quality percentage The silk gum solution of a concentration of 0.5-1%, wherein ethanol solution are the 30-60% of gangue parts by weight, and silk gum solution is gangue The 50-60% of parts by weight is stirred 28-36 minutes, and filtration washing dries at 80-84 DEG C, obtains modified gangue.
Preferably, it is heated up with the speed of 10 DEG C/min when the roasting, after being cooled to 200 DEG C with the speed of 5 DEG C/min certainly So it is cooled to room temperature.
Preferably, the mass ratio of industrial yellow starch gum powder, dimethicone and hydrogen peroxide is 3 in the mixed modifier: 1:2。
Preferably, the plant fiber is plant bast fiber.
A kind of preparation method of sound absorption architectural material, includes the following steps:
(1) modified gangue, quartz sand, calcium carbonate crystal whisker, active carbon powder, plant fiber and barium stearate are mixed simultaneously And stir evenly, it adds foam cement and dodecyl sodium sulfate that just preparation has been completed and stirs evenly, be added in whipping process Mixed modifier, ammonium pyrophosphate and suitable water, it is 40-70%, then compression molding to control its water content, obtains pretreatment material;
(2) pretreatment is expected to carry out heating curing, then is dried, control its water content as 4% hereinafter, pre-processing again Material surface interval is uniformly coated with water-repellent paint, and wherein interval time is 1-3 hours, and it is 3-10 times to smear number, and obtained sound-absorbing is built Build material.
Preferably, the heat-cured temperature in the step (2) is 40-70 DEG C, and curing time is 5-10 hours, drying Temperature is 80-100 DEG C.
Beneficial effects of the present invention are that the construction material has the advantages that the material at low cost, soundproof effect is good;Tool Body is as follows:
(1) gangue is added in the present invention as filler, gangue after roasting, can inside gangue shape At vertical hole, and there is very outstanding hole ratio, process is modified, can further expand the hole inside gangue, Its scalability energy is improved, ethanol solution and silk gum solution are also added, collaboration is had an effect, and the anti-ageing of gangue can be improved Change performance, and resist the erosion of the substances such as ultraviolet light, air pollutants and microwave, and then improves its sound absorption qualities and machine Tool performance.In addition reserves of the gangue in China are very abundant, and to gangue, there is no very effective recycling hands at present Section, causes prodigious waste, thus it is of low cost, pollution of the gangue to air and environment can also be avoided.
(2) it individually foams to cement in the present invention, enough magnesium ion and calcium ion is also added, to make cement With strong corrosion resistance and mechanical performance, it is also added with polyglycol ether and hydrogen peroxide, to make to prepare There is full and uniform tiny bubble inside cement, the performance of construction material will not also be affected greatly, to improve it Soundproof effect.
(3) calcium carbonate crystal whisker, plant fiber and activated carbon be also added as filler in the present invention, calcium carbonate crystal whisker has Extraordinary comprehensive mechanical intensity, white bulk shape solid also have extraordinary absorbability to noise;It also added plant Object bast fiber, intensity is high, and the ability for absorbing noise is strong, and active carbon powder also belongs to inner porosity, and it is very good to have Soundproof effect, collective effect between the above material and gangue, to promote the sound absorption qualities of construction material prepared.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to In limiting the scope of the invention.
Embodiment 1
The present embodiment is related to a kind of sound absorption architectural material, includes the raw material of following parts by weight:40 parts of foam cement, modified coal 25 parts of spoil, 16 parts of quartz sand, 8 parts of calcium carbonate crystal whisker, 10 parts of active carbon powder, 6 parts of mixed modifier, 2 parts of plant fiber, coke 2 parts of sodium phosphate, 3 parts of barium stearate, 1 part of dodecyl sodium sulfate;
The mass ratio of industrial yellow starch gum powder, dimethicone and hydrogen peroxide is 3 in the mixed modifier:1:2.
Wherein, the preparation method of the foam cement includes the following steps:
(1) stirring liquid is prepared, takes magnesia, magnesium chloride, calcium stearate and water according to mass ratio 1.5:1:2:40 mixing are equal It is even to obtain mixed solution, the polyglycol ether of mixed solution mass parts 8% and 5% hydrogenperoxide steam generator are added, is stirred Mix liquid;
(2) by cement, silicone amide and polyester fiber according to mass ratio 10:0.6:1 dry mixing is uniformly mixed, then and step (1) the stirring liquid mixing in after reacting 30 minutes stabilizations, obtains the foam cement that water content is 55%.
Wherein, the preparation method of the modified gangue is:By gangue, iron powder and borax according to mass ratio 10:0.5:2 Ground and mixed is uniform, is roasted 2 hours under conditions of 600 DEG C, after cooling, adds γ-aminopropyl of gangue mass parts 8% Triethoxysilane, 10% sodium dihydrogen phosphate and 60% water are stirred 30 minutes at 60 DEG C with the speed of 250r/min, Spray drying, adds the ethanol solution that mass percentage concentration is 78% and the silk gum solution that mass percentage concentration is 0.5%, Middle ethanol solution is the 30% of gangue parts by weight, and silk gum solution is the 50% of gangue parts by weight, stirs 28 minutes, crosses diafiltration It washs, is dried at 80 DEG C, obtain modified gangue;Wherein, it is heated up with the speed of 10 DEG C/min when the roasting, with 5 DEG C/min Speed be cooled to 200 DEG C after cooled to room temperature.
Wherein, the plant fiber is plant bast fiber.
The present embodiment further relates to a kind of preparation method of sound absorption architectural material, includes the following steps:
(1) modified gangue, quartz sand, calcium carbonate crystal whisker, active carbon powder, plant fiber and barium stearate are mixed simultaneously And stir evenly, it adds foam cement and dodecyl sodium sulfate that just preparation has been completed and stirs evenly, be added in whipping process Mixed modifier, ammonium pyrophosphate and suitable water, it is 40% to control its water content, then compression molding, obtains pretreatment material;
(2) pretreatment is expected to carry out heating curing, then is dried, control its water content as 4% hereinafter, pre-processing again Material surface interval is uniformly coated with water-repellent paint, and wherein interval time is 1 hour, and it is 3 times to smear number, and sound-absorbing Building wood is made Material;Wherein, heat-cured temperature is 40 DEG C, and curing time is 5 hours, and drying temperature is 80 DEG C.
Embodiment 2
The present embodiment is related to a kind of sound absorption architectural material, includes the raw material of following parts by weight:55 parts of foam cement, modified coal 30 parts of spoil, 20 parts of quartz sand, 12 parts of calcium carbonate crystal whisker, 16 parts of active carbon powder, 12 parts of mixed modifier, 8 parts of plant fiber, 10 parts of sodium pyrophosphate, 8 parts of barium stearate, 7 parts of dodecyl sodium sulfate;
The mass ratio of industrial yellow starch gum powder, dimethicone and hydrogen peroxide is 3 in the mixed modifier:1:2.
Wherein, the preparation method of the foam cement includes the following steps:
(1) stirring liquid is prepared, takes magnesia, magnesium chloride, calcium stearate and water according to mass ratio 1.5:1:2:40 mixing are equal It is even to obtain mixed solution, the polyglycol ether of mixed solution mass parts 8% and 5% hydrogenperoxide steam generator are added, is stirred Mix liquid;
(2) by cement, silicone amide and polyester fiber according to mass ratio 10:0.6:1 dry mixing is uniformly mixed, then and step (1) the stirring liquid mixing in after reacting 60 minutes stabilizations, obtains the foam cement that water content is 63%.
Wherein, the preparation method of the modified gangue is:By gangue, iron powder and borax according to mass ratio 10:0.5:2 Ground and mixed is uniform, is roasted 3 hours under conditions of 800 DEG C, after cooling, adds γ-aminopropyl of gangue mass parts 8% Triethoxysilane, 10% sodium dihydrogen phosphate and 60% water are stirred 45 minutes at 70 DEG C with the speed of 300r/min, Spray drying, adds the ethanol solution that mass percentage concentration is 86% and the silk gum solution that mass percentage concentration is 1%, wherein Ethanol solution is the 60% of gangue parts by weight, and silk gum solution is the 60% of gangue parts by weight, stirs 36 minutes, crosses diafiltration It washs, is dried at 84 DEG C, obtain modified gangue;Wherein, it is heated up with the speed of 10 DEG C/min when the roasting, with 5 DEG C/min Speed be cooled to 200 DEG C after cooled to room temperature.
Wherein, the plant fiber is plant bast fiber.
The present embodiment further relates to a kind of preparation method of sound absorption architectural material, includes the following steps:
(1) modified gangue, quartz sand, calcium carbonate crystal whisker, active carbon powder, plant fiber and barium stearate are mixed simultaneously And stir evenly, it adds foam cement and dodecyl sodium sulfate that just preparation has been completed and stirs evenly, be added in whipping process Mixed modifier, ammonium pyrophosphate and suitable water, it is 70% to control its water content, then compression molding, obtains pretreatment material;
(2) pretreatment is expected to carry out heating curing, then is dried, control its water content as 4% hereinafter, pre-processing again Material surface interval is uniformly coated with water-repellent paint, and wherein interval time is 3 hours, and it is 10 times to smear number, and sound-absorbing Building wood is made Material;Wherein, heat-cured temperature is 70 DEG C, and curing time is 10 hours, and drying temperature is 100 DEG C.
Embodiment 3
The present embodiment is related to a kind of sound absorption architectural material, includes the raw material of following parts by weight:Include the original of following parts by weight Material:42 parts of foam cement, 27 parts of modified gangue, 17 parts of quartz sand, 9 parts of calcium carbonate crystal whisker, 12 parts of active carbon powder, mixing change 8 parts of agent of property, 4 parts of plant fiber, 4 parts of sodium pyrophosphate, 5 parts of barium stearate, 3 parts of dodecyl sodium sulfate;
The mass ratio of industrial yellow starch gum powder, dimethicone and hydrogen peroxide is 3 in the mixed modifier:1:2.
Wherein, the preparation method of the foam cement includes the following steps:
(1) stirring liquid is prepared, takes magnesia, magnesium chloride, calcium stearate and water according to mass ratio 1.5:1:2:40 mixing are equal It is even to obtain mixed solution, the polyglycol ether of mixed solution mass parts 8% and 5% hydrogenperoxide steam generator are added, is stirred Mix liquid;
(2) by cement, silicone amide and polyester fiber according to mass ratio 10:0.6:1 dry mixing is uniformly mixed, then and step (1) the stirring liquid mixing in after reacting 30 minutes stabilizations, obtains the foam cement that water content is 55%.
Wherein, the preparation method of the modified gangue is:By gangue, iron powder and borax according to mass ratio 10:0.5:2 Ground and mixed is uniform, is roasted 2 hours under conditions of 600 DEG C, after cooling, adds γ-aminopropyl of gangue mass parts 8% Triethoxysilane, 10% sodium dihydrogen phosphate and 60% water are stirred 30 minutes at 60 DEG C with the speed of 250r/min, Spray drying, adds the ethanol solution that mass percentage concentration is 78% and the silk gum solution that mass percentage concentration is 0.5%, Middle ethanol solution is the 30% of gangue parts by weight, and silk gum solution is the 50% of gangue parts by weight, stirs 28 minutes, crosses diafiltration It washs, is dried at 80 DEG C, obtain modified gangue;Wherein, it is heated up with the speed of 10 DEG C/min when the roasting, with 5 DEG C/min Speed be cooled to 200 DEG C after cooled to room temperature.
Wherein, the plant fiber is plant bast fiber.
The present embodiment further relates to a kind of preparation method of sound absorption architectural material, includes the following steps:
(1) modified gangue, quartz sand, calcium carbonate crystal whisker, active carbon powder, plant fiber and barium stearate are mixed simultaneously And stir evenly, it adds foam cement and dodecyl sodium sulfate that just preparation has been completed and stirs evenly, be added in whipping process Mixed modifier, ammonium pyrophosphate and suitable water, it is 40% to control its water content, then compression molding, obtains pretreatment material;
(2) pretreatment is expected to carry out heating curing, then is dried, control its water content as 4% hereinafter, pre-processing again Material surface interval is uniformly coated with water-repellent paint, and wherein interval time is 1 hour, and it is 3 times to smear number, and sound-absorbing Building wood is made Material;Wherein, heat-cured temperature is 40 DEG C, and curing time is 5 hours, and drying temperature is 80 DEG C.
Embodiment 4
The present embodiment is related to a kind of sound absorption architectural material, includes the raw material of following parts by weight:53 parts of foam cement, modified coal 28 parts of spoil, 19 parts of quartz sand, 11 parts of calcium carbonate crystal whisker, 14 parts of active carbon powder, 10 parts of mixed modifier, 6 parts of plant fiber, 8 parts of sodium pyrophosphate, 6 parts of barium stearate, 5 parts of dodecyl sodium sulfate;
The mass ratio of industrial yellow starch gum powder, dimethicone and hydrogen peroxide is 3 in the mixed modifier:1:2.
Wherein, the preparation method of the foam cement includes the following steps:
(1) stirring liquid is prepared, takes magnesia, magnesium chloride, calcium stearate and water according to mass ratio 1.5:1:2:40 mixing are equal It is even to obtain mixed solution, the polyglycol ether of mixed solution mass parts 8% and 5% hydrogenperoxide steam generator are added, is stirred Mix liquid;
(2) by cement, silicone amide and polyester fiber according to mass ratio 10:0.6:1 dry mixing is uniformly mixed, then and step (1) the stirring liquid mixing in after reacting 60 minutes stabilizations, obtains the foam cement that water content is 63%.
Wherein, the preparation method of the modified gangue is:By gangue, iron powder and borax according to mass ratio 10:0.5:2 Ground and mixed is uniform, is roasted 3 hours under conditions of 800 DEG C, after cooling, adds γ-aminopropyl of gangue mass parts 8% Triethoxysilane, 10% sodium dihydrogen phosphate and 60% water are stirred 45 minutes at 70 DEG C with the speed of 300r/min, Spray drying, adds the ethanol solution that mass percentage concentration is 86% and the silk gum solution that mass percentage concentration is 1%, wherein Ethanol solution is the 60% of gangue parts by weight, and silk gum solution is the 60% of gangue parts by weight, stirs 36 minutes, crosses diafiltration It washs, is dried at 84 DEG C, obtain modified gangue;Wherein, it is heated up with the speed of 10 DEG C/min when the roasting, with 5 DEG C/min Speed be cooled to 200 DEG C after cooled to room temperature.
Wherein, the plant fiber is plant bast fiber.
The present embodiment further relates to a kind of preparation method of sound absorption architectural material, includes the following steps:
(1) modified gangue, quartz sand, calcium carbonate crystal whisker, active carbon powder, plant fiber and barium stearate are mixed simultaneously And stir evenly, it adds foam cement and dodecyl sodium sulfate that just preparation has been completed and stirs evenly, be added in whipping process Mixed modifier, ammonium pyrophosphate and suitable water, it is 70% to control its water content, then compression molding, obtains pretreatment material;
(2) pretreatment is expected to carry out heating curing, then is dried, control its water content as 4% hereinafter, pre-processing again Material surface interval is uniformly coated with water-repellent paint, and wherein interval time is 3 hours, and it is 10 times to smear number, and sound-absorbing Building wood is made Material;Wherein, heat-cured temperature is 70 DEG C, and curing time is 10 hours, and drying temperature is 100 DEG C.
Embodiment 5
The present embodiment is related to a kind of sound absorption architectural material, includes the raw material of following parts by weight:47.5 parts of foam cement is modified 27.5 parts of gangue, 18 parts of quartz sand, 10 parts of calcium carbonate crystal whisker, 13 parts of active carbon powder, 9 parts of mixed modifier, plant fiber 5 Part, 6 parts of sodium pyrophosphate, 5.5 parts of barium stearate, 4 parts of dodecyl sodium sulfate;
The mass ratio of industrial yellow starch gum powder, dimethicone and hydrogen peroxide is 3 in the mixed modifier:1:2.
Wherein, the preparation method of the foam cement includes the following steps:
(1) stirring liquid is prepared, takes magnesia, magnesium chloride, calcium stearate and water according to mass ratio 1.5:1:2:40 mixing are equal It is even to obtain mixed solution, the polyglycol ether of mixed solution mass parts 8% and 5% hydrogenperoxide steam generator are added, is stirred Mix liquid;
(2) by cement, silicone amide and polyester fiber according to mass ratio 10:0.6:1 dry mixing is uniformly mixed, then and step (1) the stirring liquid mixing in after reacting 45 minutes stabilizations, obtains the foam cement that water content is 59%.
Wherein, the preparation method of the modified gangue is:By gangue, iron powder and borax according to mass ratio 10:0.5:2 Ground and mixed is uniform, is roasted 2.5 hours under conditions of 700 DEG C, after cooling, adds γ-ammonia third of gangue mass parts 8% Ethyl triethoxy silicane alkane, 10% sodium dihydrogen phosphate and 60% water stir 37.5 points at 65 DEG C with the speed of 275r/min Clock, spray drying, adds the ethanol solution that mass percentage concentration is 82% and the silk gum that mass percentage concentration is 0.75% is molten Liquid, wherein ethanol solution are the 45% of gangue parts by weight, and silk gum solution is the 55% of gangue parts by weight, is stirred 32 minutes, Filtration washing dries at 82 DEG C, obtains modified gangue;Wherein, it is heated up with the speed of 10 DEG C/min when the roasting, with 5 DEG C/speed of min be cooled to 200 DEG C after cooled to room temperature.
Wherein, the plant fiber is plant bast fiber.
The present embodiment further relates to a kind of preparation method of sound absorption architectural material, includes the following steps:
(1) modified gangue, quartz sand, calcium carbonate crystal whisker, active carbon powder, plant fiber and barium stearate are mixed simultaneously And stir evenly, it adds foam cement and dodecyl sodium sulfate that just preparation has been completed and stirs evenly, be added in whipping process Mixed modifier, ammonium pyrophosphate and suitable water, it is 55% to control its water content, then compression molding, obtains pretreatment material;
(2) pretreatment is expected to carry out heating curing, then is dried, control its water content as 4% hereinafter, pre-processing again Material surface interval is uniformly coated with water-repellent paint, and wherein interval time is 2 hours, and it is 6 times to smear number, and sound-absorbing Building wood is made Material;Wherein, heat-cured temperature is 55 DEG C, and curing time is 7.5 hours, and drying temperature is 90 DEG C.
Comparative example 1
Soundproof construction composition is made using Chinese invention patent application (Publication No. CN107434376A).
Comparative example 2
Replace foam cement, other raw materials, content and step and embodiment 5 consistent using ordinary cement.
Comparative example 3
In addition to no modified gangue, other raw materials, content and step and embodiment 5 are consistent.
Comparative example 4
Replace modified gangue, other raw materials, content and step and embodiment 5 consistent using common coal gangue subculture.
Comparative example 5
Sound absorption architectural material made from the prior art.
Inspection is sampled to above-described embodiment 1-5 and comparative example the 1-5 sound absorption architectural material prepared according to national standards It surveys.In addition the building soundproof effect prepared using the construction material is detected:The outer decibel value of control room is fixed as 100 decibels, inspection The decibel value for surveying indoor sound, obtains that the results are shown in Table 1:
Table 1
From table 1 it follows that acting synergistically between each each raw material of step in the present invention, reach jointly desired by the present invention Of low cost, effect that soundproof effect is good, sound absorption architectural material obtained can all be made by lacking step or change raw material Degradation, in conjunction with comparative example 2, comparative example 3 and comparative example 4, it can be seen that foam cement, modified gangue all have creation Property lacks any one all and will make the properties of the sound absorption architectural material prepared by different degrees of weakening, and this hair The component and content and the preparation method of raw material and sound absorption architectural material of bright middle raw material be all via inventor's test of many times and Obtain optimum content and method.
From table 1 it follows that embodiment 5 is highly preferred embodiment of the present invention, the sound-absorbing Building wood that the present invention prepares Expect to be obtained for prodigious improvement for compared with the existing technology, tensile strength maximum has reached 16.5Mpa relative to existing skill Art improves 170.4%;Compression strength maximum has reached 8.3Mpa and improves 97.6% compared with the existing technology;And the porosity is most 78% is had reached greatly and improves 212% compared with the existing technology, and the thermal coefficient of the sound absorption architectural material of the present invention only has 0.032W/mK reduces 0.047W/mK compared with the existing technology, and embodiment 5 reaches 90% to the reduction absorptivity of noise, And the prior art only reduces 49%, and 41% is reduced than the prior art more.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow Ring the substantive content of the present invention.

Claims (10)

1. a kind of sound absorption architectural material, which is characterized in that include the raw material of following parts by weight:40-55 parts of foam cement, modified coal 25-30 parts of spoil, 16-20 parts of quartz sand, 8-12 parts of calcium carbonate crystal whisker, 10-16 parts of active carbon powder, mixed modifier 6-12 Part, 2-8 parts of plant fiber, 2-10 parts of sodium pyrophosphate, 3-8 parts of barium stearate, 1-7 parts of dodecyl sodium sulfate;
The mixed modifier is the mixture of industrial yellow starch gum powder, dimethicone and hydrogen peroxide.
2. sound absorption architectural material according to claim 1, which is characterized in that include the raw material of following parts by weight:Foam water 42-53 parts of mud, 27-28 parts of modified gangue, 17-19 parts of quartz sand, 9-11 parts of calcium carbonate crystal whisker, 12-14 parts of active carbon powder, 8-10 parts of mixed modifier, 4-6 parts of plant fiber, 4-8 parts of sodium pyrophosphate, 5-6 parts of barium stearate, dodecyl sodium sulfate 3-5 Part;
The mixed modifier is the mixture of industrial yellow starch gum powder, dimethicone and hydrogen peroxide.
3. sound absorption architectural material according to claim 1, which is characterized in that include the raw material of following parts by weight:Foam water 47.5 parts of mud, 27.5 parts of modified gangue, 18 parts of quartz sand, 10 parts of calcium carbonate crystal whisker, 13 parts of active carbon powder, mixed modifier 9 parts, 5 parts of plant fiber, 6 parts of sodium pyrophosphate, 5.5 parts of barium stearate, 4 parts of dodecyl sodium sulfate;
The mixed modifier is the mixture of industrial yellow starch gum powder, dimethicone and hydrogen peroxide.
4. sound absorption architectural material according to claim 1, which is characterized in that the preparation method of the foam cement include with Lower step:
(1)Stirring liquid is prepared, takes magnesia, magnesium chloride, calcium stearate and water according to mass ratio 1.5:1:2:40 are uniformly mixed To mixed solution, the polyglycol ether of mixed solution mass parts 8% and 5% hydrogenperoxide steam generator are added, obtains stirring liquid;
(2)By cement, silicone amide and polyester fiber according to mass ratio 10:0.6:1 dry mixing is uniformly mixed, then and step(1)In Stirring liquid mixing, react 30-60 minute stabilizations after, obtain water content for 55-63% foam cement.
5. sound absorption architectural material according to claim 1, which is characterized in that the preparation method of the modified gangue is: By gangue, iron powder and borax according to mass ratio 10:0.5:2 ground and mixeds are uniform, and 2-3 is roasted under conditions of 600-800 DEG C Hour, after cooling, add the gamma-aminopropyl-triethoxy-silane of gangue mass parts 8%, 10% sodium dihydrogen phosphate and 60% Water stirred 30-45 minute with the speed of 250-300r/min at 60-70 DEG C, be spray-dried, it is dense to add quality percentage The silk gum solution that the ethanol solution and mass percentage concentration that degree is 78-86% are 0.5-1%, wherein ethanol solution are gangue weight The 30-60% of part, silk gum solution are the 50-60% of gangue parts by weight, are stirred 28-36 minutes, filtration washing, at 80-84 DEG C Drying, obtains modified gangue.
6. sound absorption architectural material according to claim 5, which is characterized in that with the speed liter of 10 DEG C/min when the roasting Temperature, cooled to room temperature after being cooled to 200 DEG C with the speed of 5 DEG C/min.
7. sound absorption architectural material according to claim 1, which is characterized in that industrial yellow starch gum in the mixed modifier The mass ratio of powder, dimethicone and hydrogen peroxide is 3:1:2.
8. sound absorption architectural material according to claim 1, which is characterized in that the plant fiber is plant bast fiber.
9. the preparation method of the sound absorption architectural material described in a kind of any one of claim 1 to 8, which is characterized in that including Following steps:
(1)Modified gangue, quartz sand, calcium carbonate crystal whisker, active carbon powder, plant fiber and barium stearate are mixed and stirred It mixes the foam cement for uniformly adding just preparation completion and dodecyl sodium sulfate stirs evenly, mixing is added in whipping process Modifying agent, ammonium pyrophosphate and suitable water, it is 40-70%, then compression molding to control its water content, obtains pretreatment material;
(2)Pretreatment is expected to carry out heating curing, then is dried, controls its water content as 4% hereinafter, again in pretreatment material table Face interval is uniformly coated with water-repellent paint, and wherein interval time is 1-3 hours, and it is 3-10 times to smear number, and sound-absorbing Building wood is made Material.
10. the preparation method of sound absorption architectural material according to claim 9, which is characterized in that the step(2)In plus The temperature of thermal curing is 40-70 DEG C, and curing time is 5-10 hours, and drying temperature is 80-100 DEG C.
CN201811033460.9A 2018-09-05 2018-09-05 A kind of sound absorption architectural material and preparation method thereof Withdrawn CN108726981A (en)

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