CN102965842A - PET (Polyethyleneglycol Terephthalate) fiber/glass fiber composite sound absorbing cotton and preparation method thereof - Google Patents
PET (Polyethyleneglycol Terephthalate) fiber/glass fiber composite sound absorbing cotton and preparation method thereof Download PDFInfo
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- CN102965842A CN102965842A CN2012104780817A CN201210478081A CN102965842A CN 102965842 A CN102965842 A CN 102965842A CN 2012104780817 A CN2012104780817 A CN 2012104780817A CN 201210478081 A CN201210478081 A CN 201210478081A CN 102965842 A CN102965842 A CN 102965842A
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Abstract
The invention discloses PET (Polyethyleneglycol Terephthalate) fiber/glass fiber composite sound absorbing cotton, which is prepared from the following raw materials in parts by weight: 70-80 parts of PET fiber, 40-50 parts of quartz glass, 15-20 parts of fatty alcohol polyoxyethylene ether sodium sulfate, 20-30 parts of peregal O-10, 80-100 parts of PP (Polypropylene), 30-40 parts of LDPE (Low-Density Polyethylene), 15-20 parts of calcium carbonate whiskers, 10-15 parts of modified diatomite, 2-3 parts of stearic acid, 5-8 parts of trioctyl trimellitate, 4-6 parts of ammonium polyphosphate, 2-3 parts of oxidized polyethlene wax, 1-2 parts of di(dioctyloxy pyrophosphate)ethylene titanium ester, 2-3 parts of zinc stearate, 1-2 parts of dimethyldimercaptoisooctylacetate tin, 0.5-1.5 parts of anti-aging agent RD, and 1-2 parts of antioxidant 1010. The sound absorbing cotton prepared in the invention has the advantages of high appearance flatness, uniform thickness, soft handfeel, high product viscosity, high tensile property, high sound absorbing performance, good flame retarding effect and the like.
Description
Technical field
The present invention relates to Nonwovens In Technology, be specifically related to a kind of PET fiber/glass fibre composite sound-absorbing cotton and preparation method thereof.
Background technology
Noise is one of three large public hazards of modern society's contaminated environment, and noise directly affects people's healthy progress along with society, and people have proposed more and more higher requirement to the Noise Prevention and Treatment of contaminated environment.Acoustical cotton can be converted to the kinetic energy of the fine count fiber of acoustical cotton inside with the high-frequency noises vibrational energy that produces in the life, and changes into heat energy and disappear, and reaches the function of absorbing sound and lowering noise.Therefore acoustical cotton has good sound-absorbing, heat-insulation warm keeping performance, is widely used in vehicles interior trim fields such as construction material, automobiles.But existing acoustical cotton product with and manufacture method all have many deficiencies, main manifestations is: adopt original manually-operated, use the cutter buttress, productivity ratio is low; Do not carry out flame treatment; The product bond degree not, easily loose, tension intensity is poor etc.
Summary of the invention
The object of the invention provides the PET fiber that a kind of fire resistance is good, intensity is high and sound-absorbing effect is good/glass fibre composite sound-absorbing cotton and preparation method thereof for the deficiencies in the prior art.
The technical solution used in the present invention is as follows:
A kind of PET fiber/glass fibre composite sound-absorbing is cotton, is made by the raw material of following weight portion: PET fiber 70-80, quartz glass fibre 40-50, sodium sulfate of polyethenoxy ether of fatty alcohol 15-20, paregal O-10 20-30, PP 80-100, LDPE 30-40, calcium carbonate crystal whisker 15-20, modification infusorial earth 10-15, stearic acid 2-3, trioctyl trimellitate (TOTM) 5-8, APP 4-6, oxidized polyethlene wax 2-3, Di(dioctylpyrophosphato) ethylene titanate 1-2, zinc stearate 2-3, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1-2, anti-aging agent RD 0.5-1.5, antioxidant 1010 1-2.
Described modification infusorial earth is made by following method: dried diatomite is dropped in the ball mill, the graphite, the vermiculite power of 1-2%, the sepiolite powder of 2-3%, the precipitated calcium carbonate of 3-5%, the waterglass of 2-3% and the polyvinyl alcohol of 3-5% that add 20-30%, behind the ball milling 8-12h, at 1050-1150 ℃ of lower calcining 2-3h, pulverizing grinds to form 200-300 order powder and gets final product.
The preparation method of PET fiber/glass fibre composite sound-absorbing cotton may further comprise the steps:
(1) PET fiber and quartz glass fibre adding cotton blender machine are mixed, for making fiber softening, reducing the friction between the fiber, prevent static, before later process, add sodium sulfate of polyethenoxy ether of fatty alcohol, paregal O-10 uniform stirring with the cloud point shape, balance 20-24h, make fiber level and smooth, have good saturability, be convenient to combing;
(2) the mixed fiber of step (1) is delivered to be carded to the uniform fiber web of thickness in the carding machine, output speed 100-120m/min, output fiber net mass area ratio is 200-300g/m
2
(3) the remaining raw materials such as PP, LDPE, calcium carbonate crystal whisker, modification infusorial earth, stearic acid, trioctyl trimellitate (TOTM) are sent into carried out even blend in the screw extruder, screw rod one district's temperature is controlled at 160-180 ℃, two district's temperature are controlled at 210-225 ℃, three district's temperature are controlled at 220-240 ℃, four district's temperature are controlled at 240-250 ℃, and five district's temperature are controlled at 245-260 ℃;
(4) the above-mentioned fused mass of extruding is dropped into behind fondant filter, measuring pump in the spray silk machine silk is sprayed on the fiber web two sides on the lapper, spray silk die head temperature is controlled at 240-250 ℃, receiving range is controlled at 25-30cm, the jet-stream wind that is heated by air heater when melting and spraying enters spray silk die head dynamic analysis of spinning is carried out slenderizing, the temperature of jet-stream wind is 150-165 ℃, and jet angle is controlled at 55-60 °;
(5) semi-finished product with cold wind cooling, roll extrusion typing cut into various required size specifications after embossing is processed, and namely get the acoustical cotton finished product.
Beneficial effect of the present invention:
The present invention is by carrying out modification to diatomite, make voluminous powder, can improve the sound-absorbing effect of acoustical cotton, the present invention is by adjusting and process modification prescription, added calcium carbonate crystal whisker, acoustical cotton had certain strengthening action, the mechanical performances such as the tensile strength of raising acoustical cotton, shock resistance.The present invention adopts the melt-spraying spinning method, have that technique is simple, controllability good, production efficiency is high, and industrializing implementation is easy, can guarantee the characteristics such as stable and reliable product quality, prepared acoustical cotton has that the smooth appearance degree is good, even thickness, soft, the advantages such as the product bond degree is good, tensile property is strong, sound absorption qualities is good, good flame retardation effect.
The specific embodiment
A kind of PET fiber/glass fibre composite sound-absorbing is cotton, is made by the raw material of following weight portion: PET fiber 75, quartz glass fibre 48, sodium sulfate of polyethenoxy ether of fatty alcohol 16, paregal O-10 25, PP 95, LDPE 32, calcium carbonate crystal whisker 16, modification infusorial earth 12, stearic acid 2.5, trioctyl trimellitate (TOTM) 6, APP 5, oxidized polyethlene wax 3, Di(dioctylpyrophosphato) ethylene titanate 1.5, zinc stearate 2, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 2, anti-aging agent RD 0.8, antioxidant 1010 1.5.
Wherein, described modification infusorial earth is made by following method: dried diatomite is dropped in the ball mill, add 25% graphite, 2% vermiculite power, 2% sepiolite powder, 5% precipitated calcium carbonate, 2.5% waterglass and 4% polyvinyl alcohol, behind the ball milling 10h, at 1100 ℃ of lower calcining 2h, pulverizing grinds to form 200 order powder and gets final product.
The preparation method of PET fiber/glass fibre composite sound-absorbing cotton may further comprise the steps:
(1) PET fiber and quartz glass fibre adding cotton blender machine are mixed, for making fiber softening, reducing the friction between the fiber, prevent static, before later process, add sodium sulfate of polyethenoxy ether of fatty alcohol, paregal O-10 uniform stirring with the cloud point shape, balance 24h, make fiber level and smooth, have good saturability, be convenient to combing;
(2) the mixed fiber of step (1) is delivered to be carded to the uniform fiber web of thickness in the carding machine, output speed 120m/min, output fiber net mass area ratio is 250g/m
2
(3) the remaining raw materials such as PP, LDPE, calcium carbonate crystal whisker, modification infusorial earth, stearic acid, trioctyl trimellitate (TOTM) are sent into carried out even blend in the screw extruder, screw rod one district's temperature is controlled at 160-180 ℃, two district's temperature are controlled at 215 ℃, three district's temperature are controlled at 230 ℃, four district's temperature are controlled at 240 ℃, and five district's temperature are controlled at 255 ℃;
(4) the above-mentioned fused mass of extruding is dropped into behind fondant filter, measuring pump in the spray silk machine silk is sprayed on the fiber web two sides on the lapper, spray silk die head temperature is controlled at 240 ℃, receiving range is controlled at 25cm, the jet-stream wind that is heated by air heater when melting and spraying enters spray silk die head dynamic analysis of spinning is carried out slenderizing, the temperature of jet-stream wind is 160 ℃, jet velocity is 2500m/min, and jet angle is at 58 °;
(5) semi-finished product with cold wind cooling, roll extrusion typing cut into various required size specifications after embossing is processed, and namely get the acoustical cotton finished product.
After tested, the distribution of fiber diameters of resulting materials is 1.5-1.8 μ m, and tearing strength is 524N/m, and the coefficient of heat conduction is 5.536 W/ (m
2℃), oxygen index (OI) is 39%, noise reduction coefficient is 0.87.
Claims (3)
1. PET fiber/glass fibre composite sound-absorbing is cotton, it is characterized in that, made by the raw material of following weight portion: PET fiber 70-80, quartz glass fibre 40-50, sodium sulfate of polyethenoxy ether of fatty alcohol 15-20, paregal O-10 20-30, PP 80-100, LDPE 30-40, calcium carbonate crystal whisker 15-20, modification infusorial earth 10-15, stearic acid 2-3, trioctyl trimellitate (TOTM) 5-8, APP 4-6, oxidized polyethlene wax 2-3, Di(dioctylpyrophosphato) ethylene titanate 1-2, zinc stearate 2-3, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1-2, anti-aging agent RD 0.5-1.5, antioxidant 1010 1-2.
2. PET fiber according to claim 1/glass fibre composite sound-absorbing is cotton, it is characterized in that, described modification infusorial earth is made by following method: dried diatomite is dropped in the ball mill, the graphite, the vermiculite power of 1-2%, the sepiolite powder of 2-3%, the precipitated calcium carbonate of 3-5%, the waterglass of 2-3% and the polyvinyl alcohol of 3-5% that add 20-30%, behind the ball milling 8-12h, at 1050-1150 ℃ of lower calcining 2-3h, pulverizing grinds to form 200-300 order powder and gets final product.
3. the preparation method of PET fiber as claimed in claim 1/glass fibre composite sound-absorbing cotton is characterized in that may further comprise the steps:
(1) PET fiber and quartz glass fibre adding cotton blender machine are mixed, for making fiber softening, reducing the friction between the fiber, prevent static, before later process, add sodium sulfate of polyethenoxy ether of fatty alcohol, paregal O-10 uniform stirring with the cloud point shape, balance 20-24h, make fiber level and smooth, have good saturability, be convenient to combing;
(2) the mixed fiber of step (1) is delivered to be carded to the uniform fiber web of thickness in the carding machine, output speed 100-120m/min, output fiber net mass area ratio is 200-300g/m
2
(3) the remaining raw materials such as PP, LDPE, calcium carbonate crystal whisker, modification infusorial earth, stearic acid, trioctyl trimellitate (TOTM) are sent into carried out even blend in the screw extruder, screw rod one district's temperature is controlled at 160-180 ℃, two district's temperature are controlled at 210-225 ℃, three district's temperature are controlled at 220-240 ℃, four district's temperature are controlled at 240-250 ℃, and five district's temperature are controlled at 245-260 ℃;
(4) the above-mentioned fused mass of extruding is dropped into behind fondant filter, measuring pump in the spray silk machine silk is sprayed on the fiber web two sides on the lapper, spray silk die head temperature is controlled at 240-250 ℃, receiving range is controlled at 25-30cm, the jet-stream wind that is heated by air heater when melting and spraying enters spray silk die head dynamic analysis of spinning is carried out slenderizing, the temperature of jet-stream wind is 150-165 ℃, and jet angle is controlled at 55-60 °;
(5) semi-finished product with cold wind cooling, roll extrusion typing cut into various required size specifications after embossing is processed, and namely get the acoustical cotton finished product.
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|---|---|---|---|
| CN2012104780817A CN102965842A (en) | 2012-11-22 | 2012-11-22 | PET (Polyethyleneglycol Terephthalate) fiber/glass fiber composite sound absorbing cotton and preparation method thereof |
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| CN2012104780817A CN102965842A (en) | 2012-11-22 | 2012-11-22 | PET (Polyethyleneglycol Terephthalate) fiber/glass fiber composite sound absorbing cotton and preparation method thereof |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219003A (en) * | 2013-04-11 | 2013-07-24 | 中国环境科学研究院 | Method for reducing noise of air cleaning device of outdoor photochemical comprehensive experiment system |
| CN103696128A (en) * | 2013-11-25 | 2014-04-02 | 芜湖跃飞新型吸音材料股份有限公司 | Non-woven fabric noise-absorbing cotton containing longan seeds |
| CN103696139A (en) * | 2013-11-27 | 2014-04-02 | 芜湖跃飞新型吸音材料股份有限公司 | Anti-aging non-woven fabric and preparation method thereof |
| CN103696137A (en) * | 2013-11-26 | 2014-04-02 | 芜湖跃飞新型吸音材料股份有限公司 | Environment-friendly flame-retardant noise-absorbing cotton and preparation method thereof |
| CN103696126A (en) * | 2013-11-25 | 2014-04-02 | 芜湖跃飞新型吸音材料股份有限公司 | Sound-absorbing cotton with mosquito avoiding function and preparation method thereof |
| CN103710870A (en) * | 2013-11-25 | 2014-04-09 | 芜湖跃飞新型吸音材料股份有限公司 | Non-woven fabric sound-absorbing cotton capable of purifying air |
| CN103710873A (en) * | 2013-11-25 | 2014-04-09 | 芜湖跃飞新型吸音材料股份有限公司 | Nonwoven cloth sound absorbing cotton containing graphene |
| CN103726222A (en) * | 2013-11-25 | 2014-04-16 | 芜湖跃飞新型吸音材料股份有限公司 | Isotactic polypropylene/tall oil acid/polybutadiene composite sound absorbing cotton and preparation method thereof |
| CN103722798A (en) * | 2013-11-25 | 2014-04-16 | 芜湖跃飞新型吸音材料股份有限公司 | Acoustic wool with excellent weather resistance and preparation method of acoustic wool |
| CN103757819A (en) * | 2013-11-25 | 2014-04-30 | 芜湖跃飞新型吸音材料股份有限公司 | High-density polyethylene sound-absorbing cotton and preparation method thereof |
| CN103757820A (en) * | 2013-11-27 | 2014-04-30 | 芜湖跃飞新型吸音材料股份有限公司 | Far infrared negative ion functional non-woven fabric and preparation method thereof |
| CN103965605A (en) * | 2014-04-23 | 2014-08-06 | 安徽依采妮纤维材料科技有限公司 | Heat-proof and insulating composite sound-absorbing board material and preparation method thereof |
| CN104727138A (en) * | 2015-03-14 | 2015-06-24 | 芜湖众力部件有限公司 | Nano titanium silicalite molecular sieve-styrene-acrylic composite emulsion-coated polypropylene nonwoven sound-absorbing material for automotive interiors |
| CN106381615A (en) * | 2016-08-30 | 2017-02-08 | 山东胜伟园林科技有限公司 | Antibacterial and mouldproof non-woven fabric material for saline-alkali land and method for same |
| CN106479129A (en) * | 2016-11-10 | 2017-03-08 | 无锡市明盛强力风机有限公司 | A kind of fiber absorbing material of compounding optimization |
| CN106519574A (en) * | 2016-11-10 | 2017-03-22 | 无锡市明盛强力风机有限公司 | Compound optimized fiber wave-absorbing material |
| CN106519573A (en) * | 2016-11-10 | 2017-03-22 | 无锡市明盛强力风机有限公司 | Compounded optimized fiber wave-absorbing material |
| CN107225164A (en) * | 2017-08-17 | 2017-10-03 | 芜湖市海源铜业有限责任公司 | A kind of copper rod processes straightener |
| CN110948972A (en) * | 2019-11-19 | 2020-04-03 | 南通金鹏玻纤制品有限公司 | Preparation method of glass fiber sound-absorbing material veneer |
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| CN103219003A (en) * | 2013-04-11 | 2013-07-24 | 中国环境科学研究院 | Method for reducing noise of air cleaning device of outdoor photochemical comprehensive experiment system |
| CN103757819A (en) * | 2013-11-25 | 2014-04-30 | 芜湖跃飞新型吸音材料股份有限公司 | High-density polyethylene sound-absorbing cotton and preparation method thereof |
| CN103696128A (en) * | 2013-11-25 | 2014-04-02 | 芜湖跃飞新型吸音材料股份有限公司 | Non-woven fabric noise-absorbing cotton containing longan seeds |
| CN103696126A (en) * | 2013-11-25 | 2014-04-02 | 芜湖跃飞新型吸音材料股份有限公司 | Sound-absorbing cotton with mosquito avoiding function and preparation method thereof |
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| CN103710873A (en) * | 2013-11-25 | 2014-04-09 | 芜湖跃飞新型吸音材料股份有限公司 | Nonwoven cloth sound absorbing cotton containing graphene |
| CN103726222A (en) * | 2013-11-25 | 2014-04-16 | 芜湖跃飞新型吸音材料股份有限公司 | Isotactic polypropylene/tall oil acid/polybutadiene composite sound absorbing cotton and preparation method thereof |
| CN103722798A (en) * | 2013-11-25 | 2014-04-16 | 芜湖跃飞新型吸音材料股份有限公司 | Acoustic wool with excellent weather resistance and preparation method of acoustic wool |
| CN103696137A (en) * | 2013-11-26 | 2014-04-02 | 芜湖跃飞新型吸音材料股份有限公司 | Environment-friendly flame-retardant noise-absorbing cotton and preparation method thereof |
| CN103757820A (en) * | 2013-11-27 | 2014-04-30 | 芜湖跃飞新型吸音材料股份有限公司 | Far infrared negative ion functional non-woven fabric and preparation method thereof |
| CN103696139A (en) * | 2013-11-27 | 2014-04-02 | 芜湖跃飞新型吸音材料股份有限公司 | Anti-aging non-woven fabric and preparation method thereof |
| CN103965605A (en) * | 2014-04-23 | 2014-08-06 | 安徽依采妮纤维材料科技有限公司 | Heat-proof and insulating composite sound-absorbing board material and preparation method thereof |
| CN103965605B (en) * | 2014-04-23 | 2016-06-01 | 安徽依采妮纤维材料科技有限公司 | A kind of high temperature insulation composite sound-absorbing panel material and preparation method thereof |
| CN104727138A (en) * | 2015-03-14 | 2015-06-24 | 芜湖众力部件有限公司 | Nano titanium silicalite molecular sieve-styrene-acrylic composite emulsion-coated polypropylene nonwoven sound-absorbing material for automotive interiors |
| CN106381615A (en) * | 2016-08-30 | 2017-02-08 | 山东胜伟园林科技有限公司 | Antibacterial and mouldproof non-woven fabric material for saline-alkali land and method for same |
| CN106479129A (en) * | 2016-11-10 | 2017-03-08 | 无锡市明盛强力风机有限公司 | A kind of fiber absorbing material of compounding optimization |
| CN106519574A (en) * | 2016-11-10 | 2017-03-22 | 无锡市明盛强力风机有限公司 | Compound optimized fiber wave-absorbing material |
| CN106519573A (en) * | 2016-11-10 | 2017-03-22 | 无锡市明盛强力风机有限公司 | Compounded optimized fiber wave-absorbing material |
| CN107225164A (en) * | 2017-08-17 | 2017-10-03 | 芜湖市海源铜业有限责任公司 | A kind of copper rod processes straightener |
| CN110948972A (en) * | 2019-11-19 | 2020-04-03 | 南通金鹏玻纤制品有限公司 | Preparation method of glass fiber sound-absorbing material veneer |
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Application publication date: 20130313 |