CN103696126A - Sound-absorbing cotton with mosquito avoiding function and preparation method thereof - Google Patents
Sound-absorbing cotton with mosquito avoiding function and preparation method thereof Download PDFInfo
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- CN103696126A CN103696126A CN201310601449.9A CN201310601449A CN103696126A CN 103696126 A CN103696126 A CN 103696126A CN 201310601449 A CN201310601449 A CN 201310601449A CN 103696126 A CN103696126 A CN 103696126A
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Abstract
The invention discloses sound-absorbing cotton with a mosquito avoiding function. The sound-absorbing cotton consists of a top surface layer, a back surface layer and a fiber cotton layer clamped between the top layer and the back layer, wherein the top surface layer and the back surface layer are made of a non-woven fabric material. The sound-absorbing cotton is characterized in that the non-woven fabric material is prepared from the raw materials in parts by weight with a melt blowing method: 100 parts of isotatic polypropylene, 1-2 parts of acetofenate, 4-5 parts of polyvinyl alcohol, 1-2 parts of calcium-zinc stabilizer, 2-3 parts of antimonous oxide, 12-15 parts of acetyl triethyl citrate, 1-2 parts of polyvinyl pyrrolidone, 12-14 parts of diatomaceous earth, 1-2 parts of gypsum rubrum, 3-4 parts of amur corktree bark, 1-2 parts of willow leaves, 2-3 parts of isatis root, 1-2 parts of rhizoma paridis and 4-5 parts of aid. A mosquito repellent is uniformly distributed in the sound-absorbing cotton, so that the prepared sound-absorbing cotton has the advantages of good mosquito repelling effect, high wet resistance, high adsorptivity, remarkable sound-absorbing effect, and the like.
Description
Technical field
The present invention relates to Nonwovens In Technology, be specifically related to a kind of acoustical cotton with mosquito repelling function and preparation method thereof.
Background technology
Noise directly affects the raising of people's physical and mental health and quality of life, for a long time in noise circumstance, can cause that hearing loss even may bring out some diseases.Will be away from noise, what we can do is exactly sound-absorbing and sound insulation.Acoustical cotton, the high-frequency noises vibrational energy that produces in life can be converted to acoustical cotton inside fine count fiber kinetic energy and lead into heat energy and disappear, reach the function of absorbing sound and lowering noise.
Acoustical cotton can be superimposed with multi-layer nonwoven fabrics, or other material of arranging in pairs or groups, and makes sound-absorbing, acoustic material.Nonwoven fabric is that textile staple or long filament are carried out to orientation or random support row, forms fibre net structure, presents many tiny gaps, this gap can be regarded hole as, has adsorption function, therefore, acoustical cotton can be considered porous material, has good sound-absorbing, heat-insulation warm keeping performance.Acoustical cotton is widely used in the industries such as building, electrical equipment, automobile, machinery as a kind of gasket material, mainly play the effect of sound insulation.But all there is more deficiency in existing acoustical cotton product and manufacture method thereof, main manifestations is: not environmental protection of manufacture craft; Sound-absorbing effect is general; Chemical resistance is low, cannot meet Code in Hazardous Special Locations instructions for use; Temperature resistant grade is low; Do not carry out flame treatment; Product caking ability is inadequate, fugitive, tension intensity is poor; Outward appearance and flatness are inadequate, thickness relatively large deviation etc.
Summary of the invention
Object of the present invention is just to provide a kind of acoustical cotton with mosquito repelling function and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
A kind of acoustical cotton with mosquito repelling function, by top coat, back layer, and the cellucotton layer being clipped between top coat and back layer forms, described top coat, back layer adopts nonwoven cloth material, nonwoven fabric described in it is characterized in that is made by meltblown by the raw material of following weight portion: isotactic polypropylene 100, benzethazet acetofenate 1-2, polyvinyl alcohol 4-5, calcium zinc stabilizer 1-2, antimonous oxide 2-3, acetyl triethyl citrate 12-15, PVP 1-2, diatomite 12-14, gypsum rubrum 1-2, golden cypress 3-4, Folium Pterocaryae 1-2, Radix Isatidis 2-3, Paris polyphylla 1-2, auxiliary agent 4-5.
Described auxiliary agent is made by following raw materials in part by weight: clay 10-12, nano-sized carbon 1-2, polytetrafluoroethylene powder 3-4, antioxidant NBC 1-2, isopropyl distearyl acyl-oxygen base Aluminate 2-3, zinc dialkyl dithiophosphate 2-3, magnetite 2-3, epoxidized soybean oil 35-40, n-propyl gallate 3-4, coix seed oil 2-3, vanadium diboride 1-2, Tea Polyphenols 2-3; Preparation method sends into clay, magnetite in calcining furnace and calcine 2-3 hour at 720-740 ℃, then, takes out, and sends in the hydrochloric acid solution of 10-15% and soaks 2-3 hour, filters, and obtains filter residue, with clear water, cleans, and dries, grinds to form 400-600 order powder; Gained powder mixes with other residual components, is heated to 60-70 ℃, and stirring reaction 40-50 minute is cooling, grinds to form slurry, obtains.
Described a kind of preparation method with the acoustical cotton of mosquito repelling function, is characterized in that comprising the following steps:
(1), golden cypress, Folium Pterocaryae, Radix Isatidis, Paris polyphylla are merged and pulverize 200-260 order powder, then, to the powder air blast of gained, it is seethed, to spray form acetyl triethyl citrate in the powder seething, the two is fully mixed;
(2), diatomite, gypsum rubrum are sent in retort, calcination processing 3-4 hour at 520-650 ℃, takes out, and is ground into powder;
(3), isotactic polypropylene is heated to molten condition, add step (1), (2) material, stir;
(4), in step (3) material, add other residual components, fully stir, mix, by nozzle, spray and thread make nonwoven fabric.
The present invention has following beneficial effect: the present invention adopts meltblown to prepare nonwoven fabric, have that technique is simple, raw material green cheap and easy to get, controllability good, production efficiency is high, culicifuge is present in acoustical cotton equably, and the acoustical cotton making has the advantages such as repelling effect, moisture-proof is good, the strong sound-absorbing effect of adsorptivity is obvious.
The specific embodiment
Described a kind of acoustical cotton with mosquito repelling function, by top coat, back layer, and the cellucotton layer being clipped between top coat and back layer forms, described top coat, back layer adopts nonwoven cloth material, nonwoven fabric described in it is characterized in that is made by meltblown by the raw material of following weight portion: isotactic polypropylene 100, benzethazet acetofenate 1.6, polyvinyl alcohol 4.5, calcium zinc stabilizer 1.2, antimonous oxide 2.3, acetyl triethyl citrate 12.5, PVP 2, diatomite 13, gypsum rubrum 1.2, golden cypress 3.4, Folium Pterocaryae 2, Radix Isatidis 2, Paris polyphylla 1, auxiliary agent 4.
Described auxiliary agent by following weight portion (kilogram) raw material makes: clay 10, nano-sized carbon 1, polytetrafluoroethylene powder 3, antioxidant NBC 1, isopropyl distearyl acyl-oxygen base Aluminate 2, zinc dialkyl dithiophosphate 2, magnetite 3, epoxidized soybean oil 35, n-propyl gallate 3, coix seed oil 2, vanadium diboride 1, Tea Polyphenols 3; Preparation method sends into clay, magnetite in calcining furnace and calcine 2-3 hour at 720-740 ℃, then, takes out, and sends in the hydrochloric acid solution of 10-15% and soaks 2-3 hour, filters, and obtains filter residue, with clear water, cleans, and dries, grinds to form 400-600 order powder; Gained powder mixes with other residual components, is heated to 60-70 ℃, and stirring reaction 40-50 minute is cooling, grinds to form slurry, obtains.
Preparation method comprises the following steps:
(1), golden cypress, Folium Pterocaryae, Radix Isatidis, Paris polyphylla are merged and pulverize 200-260 order powder, then, to the powder air blast of gained, it is seethed, to spray form acetyl triethyl citrate in the powder seething, the two is fully mixed;
(2), diatomite, gypsum rubrum are sent in retort, calcination processing 3-4 hour at 520-650 ℃, takes out, and is ground into powder;
(3), isotactic polypropylene is heated to molten condition, add step (1), (2) material, stir;
(4), in step (3) material, add other residual components, fully stir, mix, by nozzle, spray and thread make nonwoven fabric.
After tested, the distribution of fiber diameters of resulting materials is 1.6-1.9 μ m, and tearing strength is 545N/m, and oxygen index (OI) is 35%-50%, and noise reduction coefficient is 0.82-0.88.
Claims (2)
1. an acoustical cotton with mosquito repelling function, by top coat, back layer, and the cellucotton layer being clipped between top coat and back layer forms, described top coat, back layer adopts nonwoven cloth material, nonwoven fabric described in it is characterized in that is made by meltblown by the raw material of following weight portion: isotactic polypropylene 100, benzethazet acetofenate 1-2, polyvinyl alcohol 4-5, calcium zinc stabilizer 1-2, antimonous oxide 2-3, acetyl triethyl citrate 12-15, PVP 1-2, diatomite 12-14, gypsum rubrum 1-2, golden cypress 3-4, Folium Pterocaryae 1-2, Radix Isatidis 2-3, Paris polyphylla 1-2, auxiliary agent 4-5, described auxiliary agent is made by following raw materials in part by weight: clay 10-12, nano-sized carbon 1-2, polytetrafluoroethylene powder 3-4, antioxidant NBC 1-2, isopropyl distearyl acyl-oxygen base Aluminate 2-3, zinc dialkyl dithiophosphate 2-3, magnetite 2-3, epoxidized soybean oil 35-40, n-propyl gallate 3-4, coix seed oil 2-3, vanadium diboride 1-2, Tea Polyphenols 2-3, preparation method sends into clay, magnetite in calcining furnace and calcine 2-3 hour at 720-740 ℃, then, takes out, and sends in the hydrochloric acid solution of 10-15% and soaks 2-3 hour, filters, and obtains filter residue, with clear water, cleans, and dries, grinds to form 400-600 order powder, gained powder mixes with other residual components, is heated to 60-70 ℃, and stirring reaction 40-50 minute is cooling, grinds to form slurry, obtains.
2. a kind of preparation method with the acoustical cotton of mosquito repelling function according to claim 1, is characterized in that comprising the following steps:
(1), golden cypress, Folium Pterocaryae, Radix Isatidis, Paris polyphylla are merged and pulverize 200-260 order powder, then, to the powder air blast of gained, it is seethed, to spray form acetyl triethyl citrate in the powder seething, the two is fully mixed;
(2), diatomite, gypsum rubrum are sent in retort, calcination processing 3-4 hour at 520-650 ℃, takes out, and is ground into powder;
(3), isotactic polypropylene is heated to molten condition, add step (1), (2) material, stir;
(4), in step (3) material, add other residual components, fully stir, mix, by nozzle, spray and thread make nonwoven fabric.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310601449.9A CN103696126A (en) | 2013-11-25 | 2013-11-25 | Sound-absorbing cotton with mosquito avoiding function and preparation method thereof |
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| CN201310601449.9A CN103696126A (en) | 2013-11-25 | 2013-11-25 | Sound-absorbing cotton with mosquito avoiding function and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239363A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Nanometer carbon fiber/polyurethane/polypropylene elastic composite sound-absorbing cotton and preparation method thereof |
| CN110540812A (en) * | 2019-09-24 | 2019-12-06 | 广州东浩汽车材料科技有限公司 | Sound-absorbing cotton with easy-to-tear double-sided adhesive tape and processing method and equipment thereof |
| CN112661638B (en) * | 2020-12-18 | 2022-07-15 | 宁波坚锋新材料有限公司 | Toughening intermediate, preparation method thereof and toughened mosquito-repellent high-molecular biodegradable composite material for 3D printing |
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| JP2003201658A (en) * | 2001-12-27 | 2003-07-18 | Kasai Kogyo Co Ltd | Acoustic material |
| CN103184656A (en) * | 2011-12-27 | 2013-07-03 | 上海新安汽车隔音毡有限公司 | Automobile low-density ultrafine fiber felt |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105239363A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Nanometer carbon fiber/polyurethane/polypropylene elastic composite sound-absorbing cotton and preparation method thereof |
| CN110540812A (en) * | 2019-09-24 | 2019-12-06 | 广州东浩汽车材料科技有限公司 | Sound-absorbing cotton with easy-to-tear double-sided adhesive tape and processing method and equipment thereof |
| CN112661638B (en) * | 2020-12-18 | 2022-07-15 | 宁波坚锋新材料有限公司 | Toughening intermediate, preparation method thereof and toughened mosquito-repellent high-molecular biodegradable composite material for 3D printing |
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