CN109081633A - A kind of mineral wool base high-strength waterproof sound-absorbing material and preparation method thereof - Google Patents
A kind of mineral wool base high-strength waterproof sound-absorbing material and preparation method thereof Download PDFInfo
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- CN109081633A CN109081633A CN201810917633.7A CN201810917633A CN109081633A CN 109081633 A CN109081633 A CN 109081633A CN 201810917633 A CN201810917633 A CN 201810917633A CN 109081633 A CN109081633 A CN 109081633A
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- mineral wool
- absorbing material
- waterproof sound
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/30—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds
- C04B26/32—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds containing silicon
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The present invention provides a kind of mineral wool base high-strength waterproof sound-absorbing materials and preparation method thereof, are prepared by the raw material of following parts by weight: 40-60 parts of mineral wool, 10-20 parts of mesopore molecular sieve, 6-15 parts of alumina fibre, 5-12 parts of aerosil, 3-8 parts of silane coupling agent, 5-10 parts of molybdenum disulfide, 4-8 parts of graphene oxide, 8-16 parts of polyurethane, 3-6 parts of foaming agent, 2-5 parts of lauric acid amide of ethanol, 7-14 parts of octamethylcy-clotetrasiloxane, 8-15 parts of methyl silanol sodium salt, 4-10 parts of antioxidant, 15-40 parts of water.Sound-absorbing material, which is made, in the present invention has good mechanical strength, sound absorption effect and hydrophobic performance, molybdenum disulfide and graphene oxide play an important role the mechanical property of material, mesopore molecular sieve and alumina fibre have important influence to the sound absorption effect of material, therefore the present invention is with a wide range of applications as sound-absorbing material.
Description
Technical field
The invention belongs to sound-absorbing material technical fields, and in particular to a kind of mineral wool base high-strength waterproof sound-absorbing material and its
Preparation method.
Background technique
With the development of the modern industry, environmental pollution is also with generation, and noise pollution is exactly one kind of environmental pollution,
As the big harm to the mankind.Noise pollution and water pollution, atmosphere pollution are regarded as three main environments in world wide
Problem.Common people can have an opportunity to be exposed in various different degrees of noises in daily life, and noise, which not only will affect, to be listened
Power also will affect cardiovascular health, the quality of sleep or even the development of fetus etc..
Sound wave is in communication process, if encountering barrier, a part can be reflected, and another part can be absorbed, and raising is built
Material is built to the absorptivity of sound wave, is advantageous for reducing noise pollution.Common sound absorption building materials include: sawdust-board mixes
Concrete board, pearlite slab etc., but this kind of sound absorption building board has various deficiencies: for example, absorptivity is low, poor corrosion resistance,
It is at high cost.Mineral wool has good sound absorption effect, has universal application in the preparation of sound-absorbing material, however mineral wool
The problem of mechanical strength is poor, and long-time service is easy to appear glass fiber fracture, so that sound absorption effect is influenced, meanwhile, if
Mineral wool sill is as outdoor application material, since mineral wool has certain water imbibition, easily by the shadow of water environment
It rings, to reduce the mechanical strength of mineral wool.Therefore developing high-intensitive, waterproof mineral wool base sound-absorbing material has important meaning
Justice.
Summary of the invention
Above of the existing technology in order to solve the problems, such as, it is high-intensitive that the purpose of the present invention is to provide a kind of mineral wool bases
Waterproof sound absorption material and preparation method thereof.
To achieve the goals above, the present invention the following technical schemes are provided:
A kind of mineral wool base high-strength waterproof sound-absorbing material, is prepared by the raw material of following parts by weight: 40-60 parts of mineral wool,
10-20 parts of mesopore molecular sieve, 6-15 parts of alumina fibre, 5-12 parts of aerosil, 3-8 parts of silane coupling agent, two sulphur
Change molybdenum 5-10 parts, 4-8 parts of graphene oxide, 8-16 parts of polyurethane, 3-6 parts of foaming agent, 2-5 parts of lauric acid amide of ethanol, eight
7-14 parts of methyl cyclotetrasiloxane, 8-15 parts of methyl silanol sodium salt, 4-10 parts of antioxidant, 15-40 parts of water.
Preferably, a kind of mineral wool base high-strength waterproof sound-absorbing material of the present invention, by the raw material of following parts by weight
It is prepared: 50 parts of mineral wool, 15 parts of mesopore molecular sieve, 10.5 parts of alumina fibre, 8.5 parts of aerosil, silane
5.5 parts of coupling agent, 8 parts of molybdenum disulfide, 6 parts of graphene oxide, 12 parts of polyurethane, 4.5 parts of foaming agent, lauric acid amide of ethanol
3.5 parts, 11 parts of octamethylcy-clotetrasiloxane, 12 parts of methyl silanol sodium salt, 7 parts of antioxidant, 28 parts of water.
Preferably, the antioxidant is 2,5- ditert-butylhydro quinone.
A kind of preparation method of mineral wool base high-strength waterproof sound-absorbing material of the present invention, comprising the following steps:
(1) graphene and molybdenum disulfide are dispersed in the aqueous solution of one third total amount, ultrasonic disperse handles 10- at room temperature
Then silane coupling agent is added in 20min thereto, the pH of reaction system is adjusted to 7.5-8.0, while stirring will be warm
Degree is increased to 40-60 DEG C, continues after being stirred to react 1-2h, obtains mixture A；
(2) mineral wool, mesopore molecular sieve, alumina fibre, aerosil are added in mixture A, are sequentially added
Octamethylcy-clotetrasiloxane, methyl silanol sodium salt, antioxidant and remaining aqueous solution, will at 50-70 DEG C by mixed system
Mixture is stirred into slurry, obtains mixture B；
(3) temperature of mixture B is down to room temperature, then sequentially adds polyurethane, foaming agent, lauric acid amide of ethanol and continues
Stirring 5-10min foams, and the slurry after foaming is cast in die trial, is demoulded after molding to get the suction of mineral wool base waterproof
Sound material.
Preferably, the speed of agitator in the preparation process is 300-500r/min.
Preferably, the regulator that pH is adjusted in the step (1) is the NaHCO of 1M3Solution.
The utility model has the advantages that the present invention provides a kind of mineral wool base high-strength waterproof sound-absorbing material and preparation method thereof, this hair
The bright main body using mineral wool as sound-absorbing material, is equipped with mesopore molecular sieve, alumina fibre and aerosil and assists therewith
Same-action, improves the toughness and sound absorbing performance of mineral wool, and the addition of molybdenum disulfide, graphene oxide forms fine and close in the product
Network structure improves the waterproof effect of material, octamethylcy-clotetrasiloxane and methyl silicon sodium alcoholate while improving the strength of materials
The addition of salt further increases the waterproof performance of material, and the addition of antioxidant improves material and is in anti-oxidant in air
Performance carries out foaming processing, the foamed product and glass of formation to comprising the reaction system including polyurethane finally by foaming agent
The sound absorption raw material such as glass cotton cooperates, and plays an important role to the raising of sound absorbing performance, sound absorption effect is significantly larger than independent
Mineral wool or foaming sound-absorbing material.Sound-absorbing material, which is made, in the present invention has good mechanical strength, sound absorption effect and hydrophobic
Performance, tensile strength are up to 92.4 MPa, and bending strength is up to 115.3 MPa, and acoustic absorptivity is up to 0.93, and contact angle is up to
125.7 °, by learning compared with comparative example, molybdenum disulfide and graphene oxide have important work to the mechanical property of material
With mesopore molecular sieve and alumina fibre have important influence to the sound absorption effect of material.Therefore the present invention is as sound absorption material
Material is with a wide range of applications.
Specific embodiment
The invention will now be further described with reference to specific embodiments, but examples are merely exemplary, not to this hair
Bright range constitutes any restrictions.It will be understood by those skilled in the art that without departing from the spirit and scope of the invention
Can with the details and forms of the technical scheme of the invention are modified or replaced, but these modification and replacement each fall within it is of the invention
In protection scope.
Embodiment 1
A kind of mineral wool base high-strength waterproof sound-absorbing material, is prepared by the raw material of following parts by weight: 50 parts of mineral wool, mesoporous
15 parts of molecular sieve, 10.5 parts of alumina fibre, 8.5 parts of aerosil, 5.5 parts of silane coupling agent, 8 parts of molybdenum disulfide,
6 parts of graphene oxide, 12 parts of polyurethane, 4.5 parts of foaming agent, 3.5 parts of lauric acid amide of ethanol, octamethylcy-clotetrasiloxane 11
Part, 12 parts of methyl silanol sodium salt, 7 parts of antioxidant, 28 parts of water.
The antioxidant is 2,5- ditert-butylhydro quinone.
A kind of preparation method of mineral wool base high-strength waterproof sound-absorbing material of the present invention, comprising the following steps:
(1) graphene and molybdenum disulfide are dispersed in the aqueous solution of one third total amount, ultrasonic disperse is handled at room temperature
Then silane coupling agent is added in 15min thereto, the pH of reaction system is adjusted to 7.8, while stirring by temperature liter
Up to 50 DEG C, continue after being stirred to react 1.5h, obtains mixture A；
(2) mineral wool, mesopore molecular sieve, alumina fibre, aerosil are added in mixture A, are sequentially added
Octamethylcy-clotetrasiloxane, methyl silanol sodium salt, antioxidant and remaining aqueous solution, will mixing at 60 DEG C by mixed system
Object is stirred into slurry, obtains mixture B；
(3) temperature of mixture B is down to room temperature, then sequentially adds polyurethane, foaming agent, lauric acid amide of ethanol and continues
Stirring 8min foams, and the slurry after foaming is cast in die trial, and demoulding is after molding to get mineral wool base waterproof sound absorption material
Material.
Speed of agitator in the preparation process is 400r/min.
The regulator that pH is adjusted in the step (1) is the NaHCO of 1M3Solution.
Embodiment 2
A kind of mineral wool base high-strength waterproof sound-absorbing material, is prepared by the raw material of following parts by weight: 40 parts of mineral wool, mesoporous
10 parts of molecular sieve, 6 parts of alumina fibre, 5 parts of aerosil, 3 parts of silane coupling agent, 5 parts of molybdenum disulfide, graphite oxide
4 parts of alkene, 8 parts of polyurethane, 3 parts of foaming agent, 2 parts of lauric acid amide of ethanol, 7 parts of octamethylcy-clotetrasiloxane, methyl silicon sodium alcoholate
8 parts of salt, 4 parts of antioxidant, 15 parts of water.
The antioxidant is 2,5- ditert-butylhydro quinone.
A kind of preparation method of mineral wool base high-strength waterproof sound-absorbing material of the present invention, comprising the following steps:
(1) graphene and molybdenum disulfide are dispersed in the aqueous solution of one third total amount, ultrasonic disperse is handled at room temperature
Then silane coupling agent is added in 10min thereto, the pH of reaction system is adjusted to 7.5, while stirring by temperature liter
Up to 40 DEG C, continue after being stirred to react 1h, obtains mixture A；
(2) mineral wool, mesopore molecular sieve, alumina fibre, aerosil are added in mixture A, are sequentially added
Octamethylcy-clotetrasiloxane, methyl silanol sodium salt, antioxidant and remaining aqueous solution, will mixing at 50 DEG C by mixed system
Object is stirred into slurry, obtains mixture B；
(3) temperature of mixture B is down to room temperature, then sequentially adds polyurethane, foaming agent, lauric acid amide of ethanol and continues
Stirring 5min foams, and the slurry after foaming is cast in die trial, and demoulding is after molding to get mineral wool base waterproof sound absorption material
Material.
Speed of agitator in the preparation process is 300r/min.
The regulator that pH is adjusted in the step (1) is the NaHCO of 1M3Solution.
Embodiment 3
A kind of mineral wool base high-strength waterproof sound-absorbing material, is prepared by the raw material of following parts by weight: 45 parts of mineral wool, mesoporous
12 parts of molecular sieve, 8 parts of alumina fibre, 7 parts of aerosil, 4 parts of silane coupling agent, 6 parts of molybdenum disulfide, graphite oxide
5 parts of alkene, 10 parts of polyurethane, 4 parts of foaming agent, 3 parts of lauric acid amide of ethanol, 9 parts of octamethylcy-clotetrasiloxane, methyl silicon sodium alcoholate
10 parts of salt, 6 parts of antioxidant, 20 parts of water.
The antioxidant is 2,5- ditert-butylhydro quinone.
A kind of preparation method of mineral wool base high-strength waterproof sound-absorbing material of the present invention, comprising the following steps:
(1) graphene and molybdenum disulfide are dispersed in the aqueous solution of one third total amount, ultrasonic disperse is handled at room temperature
Then silane coupling agent is added in 12min thereto, the pH of reaction system is adjusted to 7.6, while stirring by temperature liter
Up to 45 DEG C, continue after being stirred to react 1.2h, obtains mixture A；
(2) mineral wool, mesopore molecular sieve, alumina fibre, aerosil are added in mixture A, are sequentially added
Octamethylcy-clotetrasiloxane, methyl silanol sodium salt, antioxidant and remaining aqueous solution, will mixing at 55 DEG C by mixed system
Object is stirred into slurry, obtains mixture B；
(3) temperature of mixture B is down to room temperature, then sequentially adds polyurethane, foaming agent, lauric acid amide of ethanol and continues
Stirring 6min foams, and the slurry after foaming is cast in die trial, and demoulding is after molding to get mineral wool base waterproof sound absorption material
Material.
Speed of agitator in the preparation process is 350r/min.
The regulator that pH is adjusted in the step (1) is the NaHCO of 1M3Solution.
Embodiment 4
A kind of mineral wool base high-strength waterproof sound-absorbing material, is prepared by the raw material of following parts by weight: 60 parts of mineral wool, mesoporous
20 parts of molecular sieve, 15 parts of alumina fibre, 12 parts of aerosil, 8 parts of silane coupling agent, 10 parts of molybdenum disulfide, oxidation
8 parts of graphene, 16 parts of polyurethane, 6 parts of foaming agent, 5 parts of lauric acid amide of ethanol, 7-14 parts of octamethylcy-clotetrasiloxane, first
15 parts of base silanol sodium salt, 10 parts of antioxidant, 40 parts of water.
The antioxidant is 2,5- ditert-butylhydro quinone.
A kind of preparation method of mineral wool base high-strength waterproof sound-absorbing material of the present invention, comprising the following steps:
(1) graphene and molybdenum disulfide are dispersed in the aqueous solution of one third total amount, ultrasonic disperse is handled at room temperature
Then silane coupling agent is added in 20min thereto, the pH of reaction system is adjusted to 8.0, while stirring by temperature liter
Up to 60 DEG C, continue after being stirred to react 2h, obtains mixture A；
(2) mineral wool, mesopore molecular sieve, alumina fibre, aerosil are added in mixture A, are sequentially added
Octamethylcy-clotetrasiloxane, methyl silanol sodium salt, antioxidant and remaining aqueous solution, will mixing at 70 DEG C by mixed system
Object is stirred into slurry, obtains mixture B；
(3) temperature of mixture B is down to room temperature, then sequentially adds polyurethane, foaming agent, lauric acid amide of ethanol and continues
Stirring 10min foams, and the slurry after foaming is cast in die trial, and demoulding is after molding to get mineral wool base waterproof sound absorption
Material.
Speed of agitator in the preparation process is 500r/min.
The regulator that pH is adjusted in the step (1) is the NaHCO of 1M3Solution.
Comparative example 1
Comparative example 1 the difference from embodiment 1 is that, be not added with mesopore molecular sieve and alumina fibre in comparative example 1.
Comparative example 2
Comparative example 2 the difference from embodiment 1 is that, be not added with molybdenum disulfide and graphene oxide in comparative example 2.
Sound-absorbing material made from embodiment 1-4 and comparative example 1-2 is subjected to mechanical strength, sound absorbing performance and waterproof performance
Test, test result is as shown in table 1, obtained from table 1, the present invention be made sound-absorbing material have good mechanical strength, suction
Sound effective value and hydrophobic performance, tensile strength are up to 92.4 MPa, and bending strength is up to 115.3 MPa, and acoustic absorptivity is up to
0.93, contact angle is up to 125.7 °, by being learnt compared with comparative example, the mechanical property of molybdenum disulfide and graphene oxide to material
It can play an important role, mesopore molecular sieve and alumina fibre have important influence to the sound absorption effect of material.
Table 1
Claims (6)
1. a kind of mineral wool base high-strength waterproof sound-absorbing material, which is characterized in that be prepared by the raw material of following parts by weight: glass
It is 40-60 parts of glass cotton, 10-20 parts of mesopore molecular sieve, 6-15 parts of alumina fibre, 5-12 parts of aerosil, silane coupled
3-8 parts of agent, 5-10 parts of molybdenum disulfide, 4-8 parts of graphene oxide, 8-16 parts of polyurethane, 3-6 parts of foaming agent, coconut oil diethanol
2-5 parts of amide, 7-14 parts of octamethylcy-clotetrasiloxane, 8-15 parts of methyl silanol sodium salt, 4-10 parts of antioxidant, 15-40 parts of water.
2. a kind of mineral wool base high-strength waterproof sound-absorbing material according to claim 1, which is characterized in that by following weight
The raw material of part is prepared: 50 parts of mineral wool, 15 parts of mesopore molecular sieve, 10.5 parts of alumina fibre, aerosil 8.5
Part, 5.5 parts of silane coupling agent, 8 parts of molybdenum disulfide, 6 parts of graphene oxide, 12 parts of polyurethane, 4.5 parts of foaming agent, coconut oil two
3.5 parts of glycollic amide, 11 parts of octamethylcy-clotetrasiloxane, 12 parts of methyl silanol sodium salt, 7 parts of antioxidant, 28 parts of water.
3. a kind of mineral wool base high-strength waterproof sound-absorbing material according to claim 1, which is characterized in that the antioxygen
Agent is 2,5- ditert-butylhydro quinone.
4. a kind of described in any item preparation methods of mineral wool base high-strength waterproof sound-absorbing material of claim 1-3, feature
It is, comprising the following steps:
(1) graphene and molybdenum disulfide are dispersed in the aqueous solution of one third total amount, ultrasonic disperse handles 10- at room temperature
Then silane coupling agent is added in 20min thereto, the pH of reaction system is adjusted to 7.5-8.0, while stirring will be warm
Degree is increased to 40-60 DEG C, continues after being stirred to react 1-2h, obtains mixture A；
(2) mineral wool, mesopore molecular sieve, alumina fibre, aerosil are added in mixture A, are sequentially added
Octamethylcy-clotetrasiloxane, methyl silanol sodium salt, antioxidant and remaining aqueous solution, will at 50-70 DEG C by mixed system
Mixture is stirred into slurry, obtains mixture B；
(3) temperature of mixture B is down to room temperature, then sequentially adds polyurethane, foaming agent, lauric acid amide of ethanol and continues
Stirring 5-10min foams, and the slurry after foaming is cast in die trial, is demoulded after molding to get the suction of mineral wool base waterproof
Sound material.
5. a kind of preparation method of mineral wool base high-strength waterproof sound-absorbing material according to claim 4, which is characterized in that
Speed of agitator in the preparation process is 300-500r/min.
6. a kind of preparation method of mineral wool base high-strength waterproof sound-absorbing material according to claim 4, which is characterized in that
The regulator that pH is adjusted in the step (1) is the NaHCO of 1M3Solution.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810917633.7A CN109081633A (en) | 2018-08-13 | 2018-08-13 | A kind of mineral wool base high-strength waterproof sound-absorbing material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810917633.7A CN109081633A (en) | 2018-08-13 | 2018-08-13 | A kind of mineral wool base high-strength waterproof sound-absorbing material and preparation method thereof |
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| CN108948318A (en) * | 2018-06-22 | 2018-12-07 | 南京亘闪生物科技有限公司 | A kind of preparation method of spherical shape polyurethane acoustic damping materials |
| CN112919928A (en) * | 2021-04-14 | 2021-06-08 | 浙江大学 | Sound-absorbing black body foam material and preparation method thereof |
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| CN102321307A (en) * | 2011-10-17 | 2012-01-18 | 重庆文理学院 | Sound absorption material and preparation method thereof |
| CN105694431A (en) * | 2016-03-17 | 2016-06-22 | 合肥晨煦信息科技有限公司 | Polyurethane foam sound absorption composite |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112919928A (en) * | 2021-04-14 | 2021-06-08 | 浙江大学 | Sound-absorbing black body foam material and preparation method thereof |
| CN112919928B (en) * | 2021-04-14 | 2022-06-24 | 浙江大学 | Multistage foam sound absorption black body material |
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Application publication date: 20181225 |