CN108947573A - A kind of preparation method of sound-absorption glass cotton fiber composite material - Google Patents
A kind of preparation method of sound-absorption glass cotton fiber composite material Download PDFInfo
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- CN108947573A CN108947573A CN201810834060.1A CN201810834060A CN108947573A CN 108947573 A CN108947573 A CN 108947573A CN 201810834060 A CN201810834060 A CN 201810834060A CN 108947573 A CN108947573 A CN 108947573A
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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
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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Abstract
The present invention provides a kind of preparation methods of sound-absorption glass cotton fiber composite material, comprising the following steps: S1. prepares glass fibre slurry；S2. polystyrene emulsion is prepared；S3. hollow nano silica is prepared；S4. microglass fiber composite material is prepared；S5. by composite material plasma treatment；S6. the later composite material of corona treatment is soaked in toluene solution, silane coupling agent, hydrochloric acid is added in toluene solution, reacts under anaerobic, use acetone, ethyl alcohol and deionized water cleaning, then vacuum drying again after reaction.Sound-absorption glass cotton fiber composite material of the invention, by the compound of multiple material, the cooperation of glass fibre and silica, the combination of different shape ingredient cooperates plasma process, so that the sound absorption effect of material is relatively good.
Description
Technical field
The present invention relates to sound-absorbing material fields, and in particular to a kind of preparation method of sound-absorption glass cotton fiber composite material.
Background technique
The sound-absorbing material kind that Acoustic treatment is most common sqouynd absorption lowering noise measure development is carried out using sound-absorbing material
There are many class, and different sound-absorbing materials is applied in different engineerings.It is divided into sound-absorbing porous material and resonance sound-absorbing knot by sound absorbing mechanism
Structure material.Sound-absorbing porous material is generally divided into fiber-like, foam class and particulate species three categories type.Microglass fiber is to use centrifugal force
Or cotton-shaped fine fibre made of air flow blowing, crossings on different level between fiber and fiber are intertwined mutually, it is fluffy in form,
Similar to cotton-wool.Microglass fiber is thin with fibre diameter, large specific surface area, bulk density is small, thermal conductivity is low, chemical stability
Well equal excellent properties, are mainly used as dynamical thermal insulation material, sound-absorbing material and filtering material.Directly glass fibre is answered at present
The sound-absorbing material of conjunction is more rare, and sound absorption effect is not achieved, and the present invention is compound by mineral wool, obtains a kind of sound absorption effect
It is good, the composite sound-absorbing material of simple process.
Summary of the invention
Technical problems to be solved: the object of the present invention is to provide the preparation methods of sound microglass fiber composite material, originally
Invention is compound by mineral wool, and it is good to obtain a kind of sound absorption effect, the composite sound-absorbing material of simple process.
A kind of technical solution: preparation method of sound-absorption glass cotton fiber composite material, comprising the following steps:
S1. glass fibre cotton fiber is put into beater, water and acid is added, is beaten, obtains glass fibre slurry；
S2. styrene monomer is added in deionized water, the volume ratio of styrene and deionized water is 1:10, is then added poly-
Vinylpyrrolidone, the amount of polyvinylpyrrolidone are the 1.5-2wt% of styrene aqueous solution, are then stirred at room temperature uniformly
The ammonium persulfate solution that concentration is 1.8-2.5wt% is added under 80 DEG C of water-baths afterwards, the amount of ammonium persulfate is styrene aqueous solution
20-30wt% reacts 6-10h under water-bath, obtains polystyrene emulsion；
S3. ammonium hydroxide, dehydrated alcohol are added in the polystyrene emulsion prepared in step s 2, and is maintained at 70 DEG C and is uniformly mixed
After instill ethyl orthosilicate, continue to be stirred to react 6-20h, washing is dried to obtain hollow nano silica, wherein polystyrene
The volume of lotion, ammonium hydroxide, dehydrated alcohol and ethyl orthosilicate is 3-8:1-3:150-200:3-6；
S4. hollow nano silica will be prepared in step S3 to be added in deionized water, in high speed dispersion agent high speed point
20min is dissipated, nano silicon dioxide dispersion is obtained, then microglass fiber slurry is added in nano silicon dioxide dispersion,
Filtering, squeezing drying obtain microglass fiber composite material；
S5. composite material acetone, ethyl alcohol and deionized water are heated into the impurity for clearing surface out, then composite material is true
Sky drying, then plasma treatment, processing power 200-300W, the flow velocity of oxygen are 60-100ml/min again, handle the time
For 90-200s；
S6. the later composite material of corona treatment is soaked in toluene solution, is added in toluene solution silane coupled
Agent, hydrochloric acid, react under anaerobic, use acetone again after reaction, ethyl alcohol and deionized water are cleaned, then vacuum drying is
It can.
Further, the silane coupling agent is methyltriethoxysilane, and the volumetric concentration of the silane coupling agent is
1-2wt%, hydrochloric acid volume fraction are 32%, and the volume of hydrochloric acid and toluene is 2 × 10-3: 3, reaction time 8h.
The utility model has the advantages that sound-absorption glass cotton fiber composite material of the invention, by the compound of multiple material, glass fibre and
The cooperation of silica, the combination of different shape ingredient cooperate plasma process, so that the sound absorption effect of material is relatively good.
Specific embodiment
Embodiment 1
A kind of preparation method of sound-absorption glass cotton fiber composite material, comprising the following steps:
S1. glass fibre cotton fiber is put into beater, water and acid is added, is beaten, obtains glass fibre slurry；
S2. styrene monomer is added in deionized water, the volume ratio of styrene and deionized water is 1:10, is then added poly-
Vinylpyrrolidone, the amount of polyvinylpyrrolidone are the 1.5wt% of styrene aqueous solution, after being then stirred at room temperature uniformly
The ammonium persulfate solution that concentration is 1.8wt% is added under 80 DEG C of water-baths, the amount of ammonium persulfate is the 20wt% of styrene aqueous solution,
6h is reacted under water-bath, obtains polystyrene emulsion；
S3. ammonium hydroxide, dehydrated alcohol are added in the polystyrene emulsion prepared in step s 2, and is maintained at 70 DEG C and is uniformly mixed
After instill ethyl orthosilicate, continue to be stirred to react 20h, washing is dried to obtain hollow nano silica, wherein polystyrene cream
The volume of liquid, ammonium hydroxide, dehydrated alcohol and ethyl orthosilicate is 3:3:200:6；
S4. hollow nano silica will be prepared in step S3 to be added in deionized water, in high speed dispersion agent high speed point
20min is dissipated, nano silicon dioxide dispersion is obtained, then microglass fiber slurry is added in nano silicon dioxide dispersion,
Filtering, squeezing drying obtain microglass fiber composite material；
S5. composite material acetone, ethyl alcohol and deionized water are heated into the impurity for clearing surface out, then composite material is true
Sky drying, then plasma treatment, processing power 200W, the flow velocity of oxygen are 100ml/min again, and the processing time is 200s；
S6. the later composite material of corona treatment is soaked in toluene solution, three second of methyl is added in toluene solution
Oxysilane, hydrochloric acid, the volumetric concentration of the methyltriethoxysilane are 1wt%, and hydrochloric acid volume fraction is 32%, hydrochloric acid and first
The volume of benzene is 2 × 10-3: 3, it reacts under anaerobic, uses acetone, ethyl alcohol and deionized water cleaning again after reacting 8h, then very
Sky drying.
Embodiment 2
A kind of preparation method of sound-absorption glass cotton fiber composite material, comprising the following steps:
S1. glass fibre cotton fiber is put into beater, water and acid is added, is beaten, obtains glass fibre slurry；
S2. styrene monomer is added in deionized water, the volume ratio of styrene and deionized water is 1:10, is then added poly-
Vinylpyrrolidone, the amount of polyvinylpyrrolidone are the 2wt% of styrene aqueous solution, after being then stirred at room temperature uniformly
The ammonium persulfate solution that concentration is 2.5wt% is added under 80 DEG C of water-baths, the amount of ammonium persulfate is the 30wt% of styrene aqueous solution,
10h is reacted under water-bath, obtains polystyrene emulsion；
S3. ammonium hydroxide, dehydrated alcohol are added in the polystyrene emulsion prepared in step s 2, and is maintained at 70 DEG C and is uniformly mixed
After instill ethyl orthosilicate, continue to be stirred to react 6h, washing is dried to obtain hollow nano silica, wherein polystyrene cream
The volume of liquid, ammonium hydroxide, dehydrated alcohol and ethyl orthosilicate is 8:1:150:3；
S4. hollow nano silica will be prepared in step S3 to be added in deionized water, in high speed dispersion agent high speed point
20min is dissipated, nano silicon dioxide dispersion is obtained, then microglass fiber slurry is added in nano silicon dioxide dispersion,
Filtering, squeezing drying obtain microglass fiber composite material；
S5. composite material acetone, ethyl alcohol and deionized water are heated into the impurity for clearing surface out, then composite material is true
Sky drying, then plasma treatment again, processing power 200-300W, the flow velocity of oxygen are 60ml/min, and the processing time is
90s；
S6. the later composite material of corona treatment is soaked in toluene solution, three second of methyl is added in toluene solution
Oxysilane, hydrochloric acid, the volumetric concentration of the methyltriethoxysilane are 2wt%, and hydrochloric acid volume fraction is 32%, hydrochloric acid and first
The volume of benzene is 2 × 10-3: 3, it reacts under anaerobic, uses acetone, ethyl alcohol and deionized water cleaning again after reacting 8h, then very
Sky drying.
Embodiment 3
A kind of preparation method of sound-absorption glass cotton fiber composite material, comprising the following steps:
S1. glass fibre cotton fiber is put into beater, water and acid is added, is beaten, obtains glass fibre slurry；
S2. styrene monomer is added in deionized water, the volume ratio of styrene and deionized water is 1:10, is then added poly-
Vinylpyrrolidone, the amount of polyvinylpyrrolidone are the 1.5wt% of styrene aqueous solution, after being then stirred at room temperature uniformly
The ammonium persulfate solution that concentration is 2.4wt% is added under 80 DEG C of water-baths, the amount of ammonium persulfate is the 24wt% of styrene aqueous solution,
6h is reacted under water-bath, obtains polystyrene emulsion；
S3. ammonium hydroxide, dehydrated alcohol are added in the polystyrene emulsion prepared in step s 2, and is maintained at 70 DEG C and is uniformly mixed
After instill ethyl orthosilicate, continue to be stirred to react 12h, washing is dried to obtain hollow nano silica, wherein polystyrene cream
The volume of liquid, ammonium hydroxide, dehydrated alcohol and ethyl orthosilicate is 4:2:160:5；
S4. hollow nano silica will be prepared in step S3 to be added in deionized water, in high speed dispersion agent high speed point
20min is dissipated, nano silicon dioxide dispersion is obtained, then microglass fiber slurry is added in nano silicon dioxide dispersion,
Filtering, squeezing drying obtain microglass fiber composite material；
S5. composite material acetone, ethyl alcohol and deionized water are heated into the impurity for clearing surface out, then composite material is true
Sky drying, then plasma treatment, processing power 300W, the flow velocity of oxygen are 70ml/min again, and the processing time is 180s；
S6. the later composite material of corona treatment is soaked in toluene solution, three second of methyl is added in toluene solution
Oxysilane, hydrochloric acid, the volumetric concentration of the methyltriethoxysilane are 1.2wt%, and hydrochloric acid volume fraction is 32%, hydrochloric acid and
The volume of toluene is 2 × 10-3: 3, it reacts under anaerobic, uses acetone, ethyl alcohol and deionized water cleaning again after reacting 8h, then
Vacuum drying.
Embodiment 4
A kind of preparation method of sound-absorption glass cotton fiber composite material, comprising the following steps:
S1. glass fibre cotton fiber is put into beater, water and acid is added, is beaten, obtains glass fibre slurry；
S2. styrene monomer is added in deionized water, the volume ratio of styrene and deionized water is 1:10, is then added poly-
Vinylpyrrolidone, the amount of polyvinylpyrrolidone are the 1.8wt% of styrene aqueous solution, after being then stirred at room temperature uniformly
The ammonium persulfate solution that concentration is 2wt% is added under 80 DEG C of water-baths, the amount of ammonium persulfate is the 27wt% of styrene aqueous solution,
8h is reacted under water-bath, obtains polystyrene emulsion；
S3. ammonium hydroxide, dehydrated alcohol are added in the polystyrene emulsion prepared in step s 2, and is maintained at 70 DEG C and is uniformly mixed
After instill ethyl orthosilicate, continue to be stirred to react 10h, washing is dried to obtain hollow nano silica, wherein polystyrene cream
The volume of liquid, ammonium hydroxide, dehydrated alcohol and ethyl orthosilicate is 7:3:180:5；
S4. hollow nano silica will be prepared in step S3 to be added in deionized water, in high speed dispersion agent high speed point
20min is dissipated, nano silicon dioxide dispersion is obtained, then microglass fiber slurry is added in nano silicon dioxide dispersion,
Filtering, squeezing drying obtain microglass fiber composite material；
S5. composite material acetone, ethyl alcohol and deionized water are heated into the impurity for clearing surface out, then composite material is true
Sky drying, then plasma treatment, processing power 250W, the flow velocity of oxygen are 90ml/min again, and the processing time is 120s；
S6. the later composite material of corona treatment is soaked in toluene solution, three second of methyl is added in toluene solution
Oxysilane, hydrochloric acid, the volumetric concentration of the methyltriethoxysilane are 1.8wt%, and hydrochloric acid volume fraction is 32%, hydrochloric acid and
The volume of toluene is 2 × 10-3: 3, it reacts under anaerobic, uses acetone, ethyl alcohol and deionized water cleaning again after reacting 8h, then
Vacuum drying.
Embodiment 5
A kind of preparation method of sound-absorption glass cotton fiber composite material, comprising the following steps:
S1. glass fibre cotton fiber is put into beater, water and acid is added, is beaten, obtains glass fibre slurry；
S2. styrene monomer is added in deionized water, the volume ratio of styrene and deionized water is 1:10, is then added poly-
Vinylpyrrolidone, the amount of polyvinylpyrrolidone are the 1.6wt% of styrene aqueous solution, after being then stirred at room temperature uniformly
The ammonium persulfate solution that concentration is 2.2wt% is added under 80 DEG C of water-baths, the amount of ammonium persulfate is the 25wt% of styrene aqueous solution,
8h is reacted under water-bath, obtains polystyrene emulsion；
S3. ammonium hydroxide, dehydrated alcohol are added in the polystyrene emulsion prepared in step s 2, and is maintained at 70 DEG C and is uniformly mixed
After instill ethyl orthosilicate, continue to be stirred to react 12h, washing is dried to obtain hollow nano silica, wherein polystyrene cream
The volume of liquid, ammonium hydroxide, dehydrated alcohol and ethyl orthosilicate is 5:2:160:5；
S4. hollow nano silica will be prepared in step S3 to be added in deionized water, in high speed dispersion agent high speed point
20min is dissipated, nano silicon dioxide dispersion is obtained, then microglass fiber slurry is added in nano silicon dioxide dispersion,
Filtering, squeezing drying obtain microglass fiber composite material；
S5. composite material acetone, ethyl alcohol and deionized water are heated into the impurity for clearing surface out, then composite material is true
Sky drying, then plasma treatment, processing power 280W, the flow velocity of oxygen are 80ml/min again, and the processing time is 150s；
S6. the later composite material of corona treatment is soaked in toluene solution, three second of methyl is added in toluene solution
Oxysilane, hydrochloric acid, the volumetric concentration of the methyltriethoxysilane are 1.5wt%, and hydrochloric acid volume fraction is 32%, hydrochloric acid and
The volume of toluene is 2 × 10-3: 3, it reacts under anaerobic, uses acetone, ethyl alcohol and deionized water cleaning again after reacting 8h, then
Vacuum drying.
Comparative example 1
A kind of preparation method of sound-absorption glass cotton fiber composite material, comprising the following steps:
S1. glass fibre cotton fiber is put into beater, water and acid is added, is beaten, obtains glass fibre slurry；
S2. nano silica is added in deionized water, disperses 20min in high speed dispersion agent high speed, obtains nano-silica
Then SiClx dispersion liquid microglass fiber slurry is added in nano silicon dioxide dispersion, filtering, and squeezing drying obtains glass
Cotton fiber composite material；
S3. composite material acetone, ethyl alcohol and deionized water are heated into the impurity for clearing surface out, then composite material is true
Sky drying, then plasma treatment, processing power 200W, the flow velocity of oxygen are 100ml/min again, and the processing time is 200s；
S4. the later composite material of corona treatment is soaked in toluene solution, three second of methyl is added in toluene solution
Oxysilane, hydrochloric acid, the volumetric concentration of the methyltriethoxysilane are 1wt%, and hydrochloric acid volume fraction is 32%, hydrochloric acid and first
The volume of benzene is 2 × 10-3: 3, it reacts under anaerobic, uses acetone, ethyl alcohol and deionized water cleaning again after reacting 8h, then very
Sky drying.
Comparative example 2
A kind of preparation method of sound-absorption glass cotton fiber composite material, comprising the following steps:
S1. glass fibre cotton fiber is put into beater, water and acid is added, is beaten, obtains glass fibre slurry；
S2. styrene monomer is added in deionized water, the volume ratio of styrene and deionized water is 1:10, is then added poly-
Vinylpyrrolidone, the amount of polyvinylpyrrolidone are the 2wt% of styrene aqueous solution, after being then stirred at room temperature uniformly
The ammonium persulfate solution that concentration is 2.5wt% is added under 80 DEG C of water-baths, the amount of ammonium persulfate is the 30wt% of styrene aqueous solution,
10h is reacted under water-bath, obtains polystyrene emulsion；
S3. ammonium hydroxide, dehydrated alcohol are added in the polystyrene emulsion prepared in step s 2, and is maintained at 70 DEG C and is uniformly mixed
After instill ethyl orthosilicate, continue to be stirred to react 6h, washing is dried to obtain hollow nano silica, wherein polystyrene cream
The volume of liquid, ammonium hydroxide, dehydrated alcohol and ethyl orthosilicate is 8:1:150:3；
S4. hollow nano silica will be prepared in step S3 to be added in deionized water, in high speed dispersion agent high speed point
20min is dissipated, nano silicon dioxide dispersion is obtained, then microglass fiber slurry is added in nano silicon dioxide dispersion,
Filtering, squeezing drying obtain microglass fiber composite material.
Using the sound absorbing performance of transmission function impedance tube sound absorption test system and test composite sound-absorbing material；
Claims (2)
1. a kind of preparation method of sound-absorption glass cotton fiber composite material, which comprises the following steps:
S1. glass fibre cotton fiber is put into beater, water and acid is added, is beaten, obtains glass fibre slurry；
S2. styrene monomer is added in deionized water, the volume ratio of styrene and deionized water is 1:10, is then added poly-
Vinylpyrrolidone, the amount of polyvinylpyrrolidone are the 1.5-2wt% of styrene aqueous solution, are then stirred at room temperature uniformly
The ammonium persulfate solution that concentration is 1.8-2.5wt% is added under 80 DEG C of water-baths afterwards, the amount of ammonium persulfate is styrene aqueous solution
20-30wt% reacts 6-10h under water-bath, obtains polystyrene emulsion；
S3. ammonium hydroxide, dehydrated alcohol are added in the polystyrene emulsion prepared in step s 2, and is maintained at 70 DEG C and is uniformly mixed
After instill ethyl orthosilicate, continue to be stirred to react 6-20h, washing is dried to obtain hollow nano silica, wherein polystyrene
The volume of lotion, ammonium hydroxide, dehydrated alcohol and ethyl orthosilicate is 3-8:1-3:150-200:3-6；
S4. hollow nano silica will be prepared in step S3 to be added in deionized water, in high speed dispersion agent high speed point
20min is dissipated, nano silicon dioxide dispersion is obtained, then microglass fiber slurry is added in nano silicon dioxide dispersion,
Filtering, squeezing drying obtain microglass fiber composite material；
S5. composite material acetone, ethyl alcohol and deionized water are heated into the impurity for clearing surface out, then composite material is true
Sky drying, then plasma treatment, processing power 200-300W, the flow velocity of oxygen are 60-100ml/min again, handle the time
For 90-200s；
S6. the later composite material of corona treatment is soaked in toluene solution, is added in toluene solution silane coupled
Agent, hydrochloric acid, react under anaerobic, use acetone again after reaction, ethyl alcohol and deionized water are cleaned, then vacuum drying is
It can.
2. the preparation method of sound-absorption glass cotton fiber composite material according to claim 1, it is characterised in that: the step
Silane coupling agent is methyltriethoxysilane in S6, and the volumetric concentration of the silane coupling agent is 1-2wt%, hydrochloric acid volume point
Number is 32%, and the volume of hydrochloric acid and toluene is 2 × 10-3: 3, reaction time 8h.
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| CN111269482A (en) * | 2020-03-31 | 2020-06-12 | 镇江恒达包装股份有限公司 | Silicon-aluminum micro-bead blending modified polyethylene composite material and preparation method thereof |
| CN116163138A (en) * | 2022-12-30 | 2023-05-26 | 福建省联丰盛漂染植绒有限公司 | Processing technology of strong superfine pure cotton plain cloth with high dye-uptake |
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