CN103696131A - Flame-retardant sound-absorbing cotton and preparation method thereof - Google Patents
Flame-retardant sound-absorbing cotton and preparation method thereof Download PDFInfo
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- CN103696131A CN103696131A CN201310602746.5A CN201310602746A CN103696131A CN 103696131 A CN103696131 A CN 103696131A CN 201310602746 A CN201310602746 A CN 201310602746A CN 103696131 A CN103696131 A CN 103696131A
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Abstract
The invention discloses flame-retardant sound-absorbing cotton. The cotton comprises a top surface layer, a back surface layer, and a fiber cotton layer which is clamped between the top surface layer and the back surface layer; the top surface layer and the back surface layer are made of non-woven fabric. The cotton is characterized in that the non-woven fabric is prepared from raw materials in the following weight parts through a melt blown method: 100 parts of isotatic polypropylene, 2 parts to 3 parts of silane coupling agent KH-550, 3 parts to 4 parts of diantimony trioxide, 2 parts to 3 parts of carboxymethyl cellulose, 1 part to 2 parts of talcum powder, 12 parts to 15 parts of tributyl citrate, 2 parts to 3 parts of aluminium hydroxide, 1 part to 2 parts of praseodymium chloride, 1 part to 2 parts of lanthanum nitrate, 3 parts to 4 parts of carclazyte, 10 parts to 12 parts of bamboo charcoal, 10 parts to 12 parts of tuckahoe, 2 parts to 3 parts of platycodon grandiflorum, 2 parts to 3 parts of cordate houttuynia, and 4 parts to 5 parts of additive. The sound-absorbing cotton which is prepared through the preparation method has the advantages of good flame-retardant performance, flat appearance, strong absorbability effect, significant sound-absorbing effect and the like.
Description
Technical field
The present invention relates to Nonwovens In Technology, be specifically related to a kind of fire-retardant acoustical cotton 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 fire-retardant acoustical cotton 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 fire-retardant acoustical cotton, 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, silane resin acceptor kh-550 2-3, antimonous oxide 3-4, carboxymethyl cellulose 2-3, talcum powder 1-2, ATBC 12-15, aluminium hydroxide 2-3, praseodymium chloride 1-2, lanthanum nitrate 1-2, carclazyte 3-4, bamboo charcoal 10-12, Poria cocos 10-12, balloonflower root 2-3, cordate houttuynia 2-3, 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.
The preparation method of described a kind of fire-retardant acoustical cotton, is characterized in that comprising the following steps:
(1), Poria cocos, balloonflower root, cordate houttuynia are merged and pulverize 230-270 order powder, then, to the powder air blast of gained, it is seethed, to spray form ATBC in the powder seething, the two is fully mixed;
(2), carclazyte, bamboo charcoal are sent in retort, calcination processing 3-4 hour at 540-670 ℃, 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, has that technique is simple, raw material is green cheap and easy to get, and the acoustical cotton making has the advantages such as fire resistance, smooth appearance degree is good, the strong sound-absorbing effect of adsorptivity is obvious.
The specific embodiment
Described a kind of fire-retardant acoustical cotton, by top coat, back layer, and the cellucotton layer being clipped between top coat and back layer forms, described top coat, back layer adopt nonwoven cloth material, and the nonwoven fabric described in it is characterized in that is made by meltblown by the raw material of following weight portion: isotactic polypropylene 100, silane resin acceptor kh-550 2.3, antimonous oxide 3, carboxymethyl cellulose 2, talcum powder 2, ATBC 15, aluminium hydroxide 3, praseodymium chloride 1, lanthanum nitrate 1, carclazyte 4, bamboo charcoal 11, Poria cocos 11, balloonflower root 3, cordate houttuynia 2.3, auxiliary agent 5.
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), Poria cocos, balloonflower root, cordate houttuynia are merged and pulverize 230-270 order powder, then, to the powder air blast of gained, it is seethed, to spray form ATBC in the powder seething, the two is fully mixed;
(2), carclazyte, bamboo charcoal are sent in retort, calcination processing 3-4 hour at 540-670 ℃, 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 1.4-1.8 μ m, and tearing strength is 557N/m, and oxygen index (OI) is 34%-47%, and noise reduction coefficient is 0.81-0.86.
Claims (2)
1. a fire-retardant acoustical cotton, 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, silane resin acceptor kh-550 2-3, antimonous oxide 3-4, carboxymethyl cellulose 2-3, talcum powder 1-2, ATBC 12-15, aluminium hydroxide 2-3, praseodymium chloride 1-2, lanthanum nitrate 1-2, carclazyte 3-4, bamboo charcoal 10-12, Poria cocos 10-12, balloonflower root 2-3, cordate houttuynia 2-3, 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. the preparation method of a kind of fire-retardant acoustical cotton according to claim 1, is characterized in that comprising the following steps:
(1), Poria cocos, balloonflower root, cordate houttuynia are merged and pulverize 230-270 order powder, then, to the powder air blast of gained, it is seethed, to spray form ATBC in the powder seething, the two is fully mixed;
(2), carclazyte, bamboo charcoal are sent in retort, calcination processing 3-4 hour at 540-670 ℃, 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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| CN201310602746.5A CN103696131A (en) | 2013-11-25 | 2013-11-25 | Flame-retardant sound-absorbing cotton and preparation method thereof |
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| CN201310602746.5A CN103696131A (en) | 2013-11-25 | 2013-11-25 | Flame-retardant sound-absorbing cotton and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746332A (en) * | 2015-03-16 | 2015-07-01 | 芜湖众力部件有限公司 | Polypropylene-based non-woven sound absorption material coated with tin antimony oxide and benzene composite emulsion for automotive interior decoration |
| CN105525440A (en) * | 2016-01-26 | 2016-04-27 | 芜湖环瑞汽车内饰件有限公司 | Flame-retardant and sound-absorption cotton and preparation method thereof |
| CN105780303A (en) * | 2016-03-21 | 2016-07-20 | 林云权 | Modified polypropylene sound-absorbing cotton and preparation process thereof |
| CN107988702A (en) * | 2017-12-28 | 2018-05-04 | 许飞扬 | A kind of preparation method of composite water absorbing anti-biotic material |
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| CN102965847A (en) * | 2012-11-22 | 2013-03-13 | 芜湖跃飞新型吸音材料股份有限公司 | PET (polyethylene glycol terephthalate) fiber/polyacrylonitrile fiber composite sound absorbing cotton and preparation method of PET fiber/polyacrylonitrile fiber composite sound absorbing cotton |
| CN102964712A (en) * | 2012-11-22 | 2013-03-13 | 芜湖跃飞新型吸音材料股份有限公司 | Atlapulgite modified composite sound absorbing material and preparation method thereof |
| CN102965843A (en) * | 2012-11-22 | 2013-03-13 | 芜湖跃飞新型吸音材料股份有限公司 | PET (polyethylene glycol terephthalate) fiber/teflon fiber composite sound absorbing cotton and preparation method of PET fiber/teflon fiber composite sound absorbing cotton |
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| EP1267324A2 (en) * | 2001-06-11 | 2002-12-18 | Alveo AG | Recyclable sound-absorbing molded element, and method of manufacture |
| EP1659382A1 (en) * | 2003-08-25 | 2006-05-24 | Takayasu CO., LTD. | Sound absorbing material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746332A (en) * | 2015-03-16 | 2015-07-01 | 芜湖众力部件有限公司 | Polypropylene-based non-woven sound absorption material coated with tin antimony oxide and benzene composite emulsion for automotive interior decoration |
| CN105525440A (en) * | 2016-01-26 | 2016-04-27 | 芜湖环瑞汽车内饰件有限公司 | Flame-retardant and sound-absorption cotton and preparation method thereof |
| CN105780303A (en) * | 2016-03-21 | 2016-07-20 | 林云权 | Modified polypropylene sound-absorbing cotton and preparation process thereof |
| CN107988702A (en) * | 2017-12-28 | 2018-05-04 | 许飞扬 | A kind of preparation method of composite water absorbing anti-biotic material |
| CN107988702B (en) * | 2017-12-28 | 2020-07-21 | 北京安信乐布医疗用品有限公司 | Preparation method of composite water-absorbing antibacterial material |
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Application publication date: 20140402 |