CN109810443A - A kind of more component high-molecular polymer fiber sound-absorbing insulation materials and its manufacturing method - Google Patents
A kind of more component high-molecular polymer fiber sound-absorbing insulation materials and its manufacturing method Download PDFInfo
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Abstract
The present invention relates to sound absorption heat insulation material technical fields, specially a kind of more component high-molecular polymer fiber sound-absorbing insulation materials, are made of the raw material that following parts by weight match: polyacrylamide gathers to stupid naphthalate, modified alta-mud, Corvic, hydroxypropyl methyl cellulose, asbestos wool, chrysotile, coagulant, curing agent, foaming agent.This more component high-molecular polymer fiber sound-absorbing insulation material, it is acidified modified by being carried out to bentonite, be conducive to the diffusion of adsorption molecule, make modified bentonite that there is stronger chemical activity and physical adsorption property, to promote sound-absorbing effect, asbestos wool, chrysotile filling are in the material, it can effectively reduce the thermal coefficient of sound absorption heat insulation material, more component high-molecular polymer fiber sound-absorbing insulation material preparation processes of the invention are simple, industrialized production easy to accomplish has substantive distinguishing features outstanding and significant progress.
Description
Technical field
The present invention relates to sound absorption heat insulation material technical field, specially a kind of more component high polymer fiber sound-absorbings are protected
Adiabator and its manufacturing method.
Background technique
Car noise directly affects the physical and mental health and the raising of quality of life of people, is chronically in noisy environment, meeting
Hearing loss is caused possibly even to induce some diseases.Experiments have shown that: 80 decibels of meetings make the decreased attention 10% of driver, and 90
Decline 20% when decibel.Will be far from noise, what we can do is exactly sound-absorbing and sound insulation.Acoustical cotton can will be produced by body oscillating
Medium-high frequency noise vibration can be converted into the kinetic energy of the fine count fiber inside acoustical cotton, and be converted to thermal energy and dissipate, reach
The function of absorbing sound and lowering noise.
Existing manufacture craft is to fill low melting point fiber in baking oven between the heat insulation sound absorbent cotton for being blended in low melting point fiber
Divide and melt, to achieve the purpose that bond heat-insulating and sound-absorbing cotton to predetermined thickness.Because heat-insulating and sound-absorbing cotton itself belongs to a kind of obstruction heat
The non-heat conductor of conduction is measured, to reach the material of isolation heat purpose.When heat-insulating and sound-absorbing cotton thickness is larger, heat is difficult to conduct
To middle layer, the low melting point in middle layer is fiber melting insufficient, and the heat insulation foam of middle layer is caused not bond completely, influences
Product quality.
In the prior art, also have and prepare heat-insulating and sound-absorbing cotton in such a way that channel-type baking oven is by heat radiation, heat radiation with
Heat transfer dissolves low-melting fiber to be pressed together by roller.Since the penetration power of heat radiation is limited, so that existing system
Standby mode limits the thickness of heat-insulating and sound-absorbing cotton finished product, and since material has heat preservation and insulation, heat transfer is slow, when processing
While electric energy consumption loss is very big, speed of production is also very slow, and production efficiency is very low.For this purpose, it is proposed that a kind of multiple groups part high score
Sub- polymer fiber sound absorption heat insulation material and its manufacturing method.
Summary of the invention
The purpose of the present invention is to provide a kind of more component high-molecular polymer fiber sound-absorbing insulation materials and its manufacturers
Method, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of more component high-molecular polymer fiber sound-absorbing insulation materials, are made of the raw material that following parts by weight match:
180-220 parts of polyacrylamide, it is poly- to stupid naphthalate 110-130 parts, 85-95 parts of modified alta-mud,
80-100 parts of Corvic, 35-45 parts of hydroxypropyl methyl cellulose, 74-88 parts of asbestos wool, 16-22 parts of chrysotile,
4-8 parts of coagulant, 3-6 parts of curing agent, 12-18 parts of foaming agent.
Preferably, the modified alta-mud is to handle modified alta-mud obtained, preparation through calcination, acid by natural montmorillonite
Method is that natural montmorillonite is placed in muffle furnace, after being warming up to 300 DEG C of calcination 2.5h, sulfuric acid is added and reacts at 90 DEG C
6h, rinsed, dry it is obtained.
Preferably, the coagulant is calcium chloride, sodium metasilicate, any one in aluminum sulfate.
Preferably, the curing agent is phosphoric acid and p-methyl benzenesulfonic acid is (3-4) by weight: 1 ratio mixes.
Preferably, the foaming agent is that dodecyldimethylamine oxide and N- dodecyl ethanol amine are according to weight ratio
The ratio of 3:2 mixes.
A kind of manufacturing method of more component high-molecular polymer fiber sound-absorbing insulation materials, includes the following steps:
The preparation of S1, modified alta-mud:
S11, natural montmorillonite is placed in muffle furnace, increases temperature to 300 DEG C, after calcination 2.5h, naturally cools to
Room temperature；
S12, the sulfuric acid that twice bentonite weight is added to step S11 bentonite after cooling are warming up to 90 DEG C, reaction
6h；
S13, bentonite of the step S12 after pickling is rinsed twice, finally dries, obtains modified alta-mud；
S2, appropriate pure water is added in modified alta-mud obtained into step S1, then stirs 5-8min, foaming is added
Agent continues to stir 8-12min, spare；
S3, by polyacrylamide, poly- to stupid naphthalate, Corvic, hydroxypropyl methyl cellulose, stone
Velveteen and chrysotile are added sequentially to after being stirred 7-9min in mixing machine, and coagulant is added, and continue to stir 20-
30min obtains mixture；
S4, the modified alta-mud that foaming agent is added is added in step S2 into mixture made from step S3, stirs, be added
Curing agent continues to stir 12-18min, obtains slurries；
S5, slurries obtained in step S4 are poured into mold using press-forming machine compression moulding, multiple groups obtained by drying
Part high polymer fiber sound absorption heat insulation material.
Preferably, the pressure of the compression moulding in the step S5 is 0.95-1.05Mpa, pressing time 32-36min.
Compared with prior art, the beneficial effects of the present invention are: this more component high-molecular polymer fiber sound-absorbing insulation material
Material, it is acidified modified by being carried out to bentonite, it may make the cations such as Na+, Mg2+, K+ between bentonite bed to be changed into solubility
Salt and dissolve out, between the key for weakening interlayer, increase interlamellar spacing, formed have micropore network, large specific surface area
Porous active substance can also remove the impurity being distributed in bentonite structure channel, increase its pore volume, be conducive to adsorbate point
The diffusion of son makes modified bentonite have stronger chemical activity and physical adsorption property, to promote sound-absorbing effect, leads to
Increase hydroxypropyl methyl cellulose is crossed, the sag resistance of thermal insulation material can be improved, reduces the adherence of thermal insulation material, extension is opened
It puts the time, asbestos wool, chrysotile filling in the material, can effectively reduce the thermal coefficient of sound absorption heat insulation material, the present invention
More component high-molecular polymer fiber sound-absorbing insulation material preparation processes it is simple, industrialized production easy to accomplish, have protrude
Substantive distinguishing features and significant progress.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
The invention provides the following technical scheme:
Embodiment 1
A kind of more component high-molecular polymer fiber sound-absorbing insulation materials, are made of the raw material that following parts by weight match:
180 parts of polyacrylamide gathers to 110 parts of stupid naphthalate, 85 parts of modified alta-mud, Corvic
80 parts, 35 parts of hydroxypropyl methyl cellulose, 74 parts of asbestos wool, 16 parts of chrysotile, 4 parts of coagulant, 3 parts of curing agent, foaming
12 parts of agent.
Modified alta-mud is to handle modified alta-mud obtained through calcination, acid by natural montmorillonite, and preparation method is by day
Right bentonite is placed in muffle furnace, after being warming up to 300 DEG C of calcination 2.5h, sulfuric acid is added and reacts 6h at 90 DEG C, rinsed, dried
Drying；Coagulant is calcium chloride, sodium metasilicate, any one in aluminum sulfate；Curing agent is phosphoric acid and p-methyl benzenesulfonic acid by weight
Amount is than being that the ratio of 3:1 mixes；Foaming agent is dodecyldimethylamine oxide and N- dodecyl ethanol amine according to weight
Amount is than being that the ratio of 3:2 mixes.
A kind of manufacturing method of more component high-molecular polymer fiber sound-absorbing insulation materials, includes the following steps:
The preparation of S1, modified alta-mud:
S11, natural montmorillonite is placed in muffle furnace, increases temperature to 300 DEG C, after calcination 2.5h, naturally cools to
Room temperature；
S12, the sulfuric acid that twice bentonite weight is added to step S11 bentonite after cooling are warming up to 90 DEG C, reaction
6h；
S13, bentonite of the step S12 after pickling is rinsed twice, finally dries, obtains modified alta-mud；
S2, appropriate pure water is added in modified alta-mud obtained into step S1, then stirs 5min, foaming agent is added,
Continue to stir 8min, it is spare；
S3, by polyacrylamide, poly- to stupid naphthalate, Corvic, hydroxypropyl methyl cellulose, stone
Velveteen and chrysotile are added sequentially to after being stirred 7min in mixing machine, and coagulant is added, and are continued to stir 20min, be obtained
To mixture；
S4, the modified alta-mud that foaming agent is added is added in step S2 into mixture made from step S3, stirs, be added
Curing agent continues to stir 12min, obtains slurries；
S5, slurries obtained in step S4 are poured into mold using press-forming machine compression moulding, the pressure of compression moulding
Power is 0.95Mpa, pressing time 32min, more component high-molecular polymer fiber sound-absorbing insulation materials obtained by drying.
Embodiment 2
A kind of more component high-molecular polymer fiber sound-absorbing insulation materials, are made of the raw material that following parts by weight match:
200 parts of polyacrylamide gathers to 120 parts of stupid naphthalate, 90 parts of modified alta-mud, Corvic
90 parts, 40 parts of hydroxypropyl methyl cellulose, 81 parts of asbestos wool, 19 parts of chrysotile, 6 parts of coagulant, 4.5 parts of curing agent, hair
15 parts of infusion.
Modified alta-mud is to handle modified alta-mud obtained through calcination, acid by natural montmorillonite, and preparation method is by day
Right bentonite is placed in muffle furnace, after being warming up to 300 DEG C of calcination 2.5h, sulfuric acid is added and reacts 6h at 90 DEG C, rinsed, dried
Drying；Coagulant is calcium chloride, sodium metasilicate, any one in aluminum sulfate；Curing agent is phosphoric acid and p-methyl benzenesulfonic acid by weight
Amount is than being that the ratio of 3.5:1 mixes；Foaming agent be dodecyldimethylamine oxide and N- dodecyl ethanol amine according to
Weight ratio is that the ratio of 3:2 mixes.
A kind of manufacturing method of more component high-molecular polymer fiber sound-absorbing insulation materials, includes the following steps:
The preparation of S1, modified alta-mud:
S11, natural montmorillonite is placed in muffle furnace, increases temperature to 300 DEG C, after calcination 2.5h, naturally cools to
Room temperature；
S12, the sulfuric acid that twice bentonite weight is added to step S11 bentonite after cooling are warming up to 90 DEG C, reaction
6h；
S13, bentonite of the step S12 after pickling is rinsed twice, finally dries, obtains modified alta-mud；
S2, appropriate pure water is added in modified alta-mud obtained into step S1, then stirs 7min, foaming agent is added,
Continue to stir 10min, it is spare；
S3, by polyacrylamide, poly- to stupid naphthalate, Corvic, hydroxypropyl methyl cellulose, stone
Velveteen and chrysotile are added sequentially to after being stirred 8min in mixing machine, and coagulant is added, and are continued to stir 25min, be obtained
To mixture；
S4, the modified alta-mud that foaming agent is added is added in step S2 into mixture made from step S3, stirs, be added
Curing agent continues to stir 15min, obtains slurries；
S5, slurries obtained in step S4 are poured into mold using press-forming machine compression moulding, the pressure of compression moulding
Power is 1.00Mpa, pressing time 34min, more component high-molecular polymer fiber sound-absorbing insulation materials obtained by drying.
Embodiment 3
A kind of more component high-molecular polymer fiber sound-absorbing insulation materials, are made of the raw material that following parts by weight match:
220 parts of polyacrylamide gathers to 130 parts of stupid naphthalate, 95 parts of modified alta-mud, Corvic
100 parts, 45 parts of hydroxypropyl methyl cellulose, 88 parts of asbestos wool, 22 parts of chrysotile, 8 parts of coagulant, 6 parts of curing agent, foaming
18 parts of agent.
Modified alta-mud is to handle modified alta-mud obtained through calcination, acid by natural montmorillonite, and preparation method is by day
Right bentonite is placed in muffle furnace, after being warming up to 300 DEG C of calcination 2.5h, sulfuric acid is added and reacts 6h at 90 DEG C, rinsed, dried
Drying；Coagulant is calcium chloride, sodium metasilicate, any one in aluminum sulfate；Curing agent is phosphoric acid and p-methyl benzenesulfonic acid by weight
Amount is than being that the ratio of 4:1 mixes；Foaming agent is dodecyldimethylamine oxide and N- dodecyl ethanol amine according to weight
Amount is than being that the ratio of 3:2 mixes.
A kind of manufacturing method of more component high-molecular polymer fiber sound-absorbing insulation materials, includes the following steps:
The preparation of S1, modified alta-mud:
S11, natural montmorillonite is placed in muffle furnace, increases temperature to 300 DEG C, after calcination 2.5h, naturally cools to
Room temperature；
S12, the sulfuric acid that twice bentonite weight is added to step S11 bentonite after cooling are warming up to 90 DEG C, reaction
6h；
S13, bentonite of the step S12 after pickling is rinsed twice, finally dries, obtains modified alta-mud；
S2, appropriate pure water is added in modified alta-mud obtained into step S1, then stirs 8min, foaming agent is added,
Continue to stir 12min, it is spare；
S3, by polyacrylamide, poly- to stupid naphthalate, Corvic, hydroxypropyl methyl cellulose, stone
Velveteen and chrysotile are added sequentially to after being stirred 9min in mixing machine, and coagulant is added, and are continued to stir 30min, be obtained
To mixture；
S4, the modified alta-mud that foaming agent is added is added in step S2 into mixture made from step S3, stirs, be added
Curing agent continues to stir 18min, obtains slurries；
S5, slurries obtained in step S4 are poured into mold using press-forming machine compression moulding, the pressure of compression moulding
Power is 1.05Mpa, pressing time 36min, more component high-molecular polymer fiber sound-absorbing insulation materials obtained by drying.
For embodiment beneficial effects of the present invention, following experiment is made:
One: thermal insulation property detection
Two kinds of sound absorption heat insulation materials of different brands in the market as a comparison case 1 and comparative example 2 are chosen, are implemented with the present invention
More component high-molecular polymer fiber sound-absorbing insulation materials of example 1-3 preparation carry out thermal coefficient experiment, testing result such as the following table 1
It is shown:
Table 1
As can be seen from the above table, more component high-molecular polymer fiber sound-absorbing insulation materials disclosed by the invention are relatively existing
Sound absorption heat insulation material in technology has superior resistance to heat transfer property.
Two, sound absorption qualities detect
MP3 is put into airtight box body, it successively will using sound absorption heat insulation material made from embodiment 1-3 and comparative example 1-2
Box body package opens the same song of MP3 broadcasting with decibel detector test decibel and obtains result as shown in table 2 below:
Table 2
| Blank test | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | |
| Decibel (dB) | 85 | 38 | 36 | 39 | 51 | 56 |
It can be obtained by table 2, by the relatively existing skill of more component high-molecular polymer fiber sound-absorbing insulation materials disclosed by the invention
Sound absorption heat insulation material in art can absorb more sound, have superior sound absorption qualities.
This more component high-molecular polymer fiber sound-absorbing insulation material, it is acidified modified by being carried out to bentonite, it may make
The cation such as Na+, Mg2+, K+ between bentonite bed is changed into soluble salt and dissolves out, and between the key for weakening interlayer, makes layer
Spacing increases, and being formed has micropore network, and the porous active substance of large specific surface area can also remove and be distributed in bentonite knot
Impurity in structure channel increases its pore volume, is conducive to the diffusion of adsorption molecule, has modified bentonite stronger
To promote sound-absorbing effect, by increasing hydroxypropyl methyl cellulose, heat preservation can be improved in chemical activity and physical adsorption property
The sag resistance of material reduces the adherence of thermal insulation material, extends the open hour, asbestos wool, chrysotile are filled in material
In, it can effectively reduce the thermal coefficient of sound absorption heat insulation material, more component high-molecular polymer fiber sound-absorbing insulation materials of the invention
Expect that preparation process is simple, industrialized production easy to accomplish has substantive distinguishing features outstanding and significant progress.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of more component high-molecular polymer fiber sound-absorbing insulation materials, which is characterized in that matched by following parts by weight
Raw material composition:
180-220 parts of polyacrylamide gathers to stupid naphthalate 110-130 parts, 85-95 parts of modified alta-mud, polychlorostyrene
80-100 parts of vinyl, 74-88 parts of asbestos wool, 16-22 parts of chrysotile, promotees to coagulate 35-45 parts of hydroxypropyl methyl cellulose
4-8 parts of agent, 3-6 parts of curing agent, 12-18 parts of foaming agent.
2. a kind of more component high-molecular polymer fiber sound-absorbing insulation materials according to claim 1, it is characterised in that: institute
Stating modified alta-mud is to handle modified alta-mud obtained through calcination, acid by natural montmorillonite, and preparation method is by natural swelling
Soil is placed in muffle furnace, after being warming up to 300 DEG C of calcination 2.5h, sulfuric acid is added and reacts 6h at 90 DEG C, is rinsed, the system of drying
?.
3. a kind of more component high-molecular polymer fiber sound-absorbing insulation materials according to claim 1, it is characterised in that: institute
Coagulant is stated as any one in calcium chloride, sodium metasilicate, aluminum sulfate.
4. a kind of more component high-molecular polymer fiber sound-absorbing insulation materials according to claim 1, it is characterised in that: institute
State that curing agent is phosphoric acid and p-methyl benzenesulfonic acid is (3-4) by weight: 1 ratio mixes.
5. a kind of more component high-molecular polymer fiber sound-absorbing insulation materials according to claim 1, it is characterised in that: institute
State foaming agent be dodecyldimethylamine oxide and N- dodecyl ethanol amine according to the ratio mixing that weight ratio is 3:2 and
At.
6. a kind of manufacturing method of more component high-molecular polymer fiber sound-absorbing insulation materials as described in claim 1, special
Sign is, includes the following steps:
The preparation of S1, modified alta-mud:
S11, natural montmorillonite is placed in muffle furnace, increases temperature to 300 DEG C, after calcination 2.5h, cooled to room temperature；
S12, the sulfuric acid that twice bentonite weight is added to step S11 bentonite after cooling are warming up to 90 DEG C, react 6h；
S13, bentonite of the step S12 after pickling is rinsed twice, finally dries, obtains modified alta-mud；
S2, appropriate pure water is added in modified alta-mud obtained into step S1, then stirs 5-8min, foaming agent is added, after
Continuous stirring 8-12min, it is spare；
S3, by polyacrylamide, poly- to stupid naphthalate, Corvic, hydroxypropyl methyl cellulose, asbestos wool
It is added sequentially to after being stirred 7-9min in mixing machine with chrysotile, coagulant is added, continued to stir 20-30min, obtain
To mixture；
S4, the modified alta-mud for being added foaming agent is added in step S2 into mixture made from step S3, solidification is added in stirring
Agent continues to stir 12-18min, obtains slurries；
S5, slurries obtained in step S4 are poured into using press-forming machine compression moulding in mold, multiple groups part obtained by drying is high
Molecularly Imprinted Polymer fiber sound-absorbing heat-insulating material.
7. a kind of manufacturing method of more component high-molecular polymer fiber sound-absorbing insulation materials according to claim 6,
Be characterized in that: the pressure of the compression moulding in the step S5 is 0.95-1.05Mpa, pressing time 32-36min.
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Application publication date: 20190528 |
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