CN103320968A - Manufacturing method for filament non-woven fabric - Google Patents
Manufacturing method for filament non-woven fabric Download PDFInfo
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- CN103320968A CN103320968A CN2013102925962A CN201310292596A CN103320968A CN 103320968 A CN103320968 A CN 103320968A CN 2013102925962 A CN2013102925962 A CN 2013102925962A CN 201310292596 A CN201310292596 A CN 201310292596A CN 103320968 A CN103320968 A CN 103320968A
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Abstract
The invention discloses a manufacturing method for filament non-woven fabric. The manufacturing method for the filament non-woven fabric comprises the following technological steps that (1) a creel is used for unwinding filament fibers, wherein the filament fibers comprise polyphenylene sulfide fibers, aramid fibers, Teflon fibers, viscose fibers, polyimide fibers or polyacrylonitrile fibers, carbon fibers, and glass fibers or basalt fibers, and the filament fibers are zero-twist continuous filaments, and the fineness of the filament fibers is 1micron to 200 microns; (2) ultrasonic waves are used for washing the filament fibers; (3) sigle-fiber drying devices are used for drying the filament fibers; (4) the filament fibers are fed into a tubular drafting device to carry out drafting acceleration through speed adjusting rollers and tensioners, and the filament fibers are evenly dispersed through silk placement devices, and are laid on a net forming curtain to form a filament fiber net; (5) the filament fiber net is manufactured into the filament non-woven fabric through a needled processing method of the non-woven fabric or a spunlace processing method of the non-woven fabric or a hot-rolling processing method of the non-woven fabric.
Description
Technical field
The present invention relates to the manufacture method of nonwoven fabric, this manufacture method is specially adapted to can not be directly or be difficult to the organic filament fibers such as aramid fiber produced by the melt spun-bond process, and the inorganic filament fibers such as glass fibre, carbon fiber are directly made filament non-woven fabric.
Background technology
The inorganic filament fibers such as carbon fiber, glass fibre and basalt fibre, have the advantages such as TENSILE STRENGTH is large, resistance to elevated temperatures good, stable chemical performance, have very wide purposes and good application prospect in industries such as Aeronautics and Astronautics, national defense industry, high temperature filtration, auto manufacturing, civil engineerings.But the inorganic filament fibers such as carbon fiber, glass fibre and basalt because rigidity is large, easily fragmentation, smooth surface, fiber be without the characteristics such as curling, therefore become the net poor performance, are difficult for reinforcing.Present method for processing nonwoven fabrics mostly is first with the filament fiber cutting short-forming fiber, carry out again carding, last pinprick reinforcement, this type of processing method has not only been lost the characteristic of filament fiber, and processing process is long, equipment is violent to the effect of filament fiber, and the filament fiber damage is larger.
The high temperature resistant organic filament fibers such as polyphenylene sulfide fibre, aramid fiber, polytetrafluoroethylene fibre and polyimide fiber have very wide purposes in high temperature filtration felt field, but this class filament fiber all can not be applicable to melt spun-bond process production at a high speed.The standby mode of present high performance nonwoven high temperature filtration felt is that filament fiber is cut to staple fibre, behind the carding, carry out acupuncture or water thorn and reinforce moulding, the product strength of this class methods preparation is relatively low, DIMENSIONAL STABILITY is relatively poor, the surperficial fine hair of product is many, the processing of need to singing, and consumes a large amount of energy; And the Woven filter cloth that uses filament fiber to produce by the traditional textile method, then speed of production is lower.
The filament fiber of the solution spinning preparation that polyacrylonitrile fibre, viscose etc. are traditional can not be applicable to the production of melt spun-bond process nonwoven, after the nonwoven processing mode of this fibrid also is the short fiber dry-laying, the manufacture method of reinforcing has again limited range of application and the speed of production of product greatly.
Summary of the invention
For the deficiencies in the prior art, the technical problem that quasi-solution of the present invention is determined is: the manufacture method that a kind of filament non-woven fabric is provided, this manufacture method not only can directly become fiber web with the filament fiber lay fast, convenient follow-up reinforcement process, and in direct net process to the filament fiber not damaged, become simultaneously net spee fast, become net spee at 15-50m/min, the good uniformity of filament web, raw material is widely applicable.
The technical scheme that the present invention solve the technical problem is, designs a kind of manufacture method of filament non-woven fabric, and this manufacture method adopts following processing step:
Unwinding: utilize creel that filament fiber unwinding from the yarn cylinder is got off; Described filament fiber refers to that the organic filament fiber comprises that polyphenylene sulfide fibre, aramid fiber, polytetrafluoroethylene fibre, viscose, polyimide fiber or polyacrylonitrile fibre and inorganic filament fiber comprise carbon fiber, glass fibre or basalt fibre, and described filament fiber is non-twist continuous filament yarn, and fineness is 1 μ m-200 μ m;
Clean: adopt ultrasonic washing technique carrying out washing treatment filament fiber, remove the finish of fiber surface;
Dry: as to utilize filament drying unit heated-air drying to process filament fiber;
Long filament becomes net: filament fiber is sent into tubular drafting device drawing-off speed-raising by the speed governing roller, then by pendulum wire device Uniform Dispersion filament fiber, and becoming lay growth silk fiber net on the lace curtaining;
Make filament non-woven fabric: by the method for processing nonwoven fabrics of acupuncture, water thorn or hot rolling filament web is made filament non-woven fabric at last.
Compared with prior art, the invention has the beneficial effects as follows: use the air drawing masterpiece to be the filament fiber onward impulse, with the one-tenth net mode of pendulum wire device with the even lay of filament fiber, can under the prerequisite of not damaging filament fiber, carry out nothing to fiber and be spun into net processing, can also select the fixed network method according to the characteristic of filament fiber simultaneously, as: rigidity is large, breakable continuous glass fibre fiber, the basalt long silk fiber can select flexible water thorn to reinforce, low-melting hot melt filament fiber can select hot rolling to reinforce, and infusibility or the filament fiber that can not melt can be selected mechanical fixed network.The invention solves can not be directly or be difficult to by the melt spun-bond process produce the organic filament fibers such as polyphenylene sulfide fibre, aramid fiber, polytetrafluoroethylene fibre, viscose, polyimide fiber, polyacrylonitrile fibre, become the net problem with the filament non-woven fabric of the inorganic filament fibers such as carbon fiber, glass fibre, basalt fibre.
Manufacture method of the present invention not only can become fiber web with the filament fiber lay fast, convenient follow-up reinforcement process, and in net process to the filament fiber not damaged, become simultaneously net spee fast, become net spee at 15-50m/min, the having good uniformity of filament web.
Description of drawings
Fig. 1 is the filament web net-forming process schematic flow sheet of a kind of embodiment of filament non-woven fabric manufacture method of the present invention.
Fig. 2 is the filament web water thorn reinforcement process schematic flow sheet of a kind of embodiment of filament non-woven fabric manufacture method of the present invention.
Fig. 3 is the filament web pinprick reinforcement process flow diagram of a kind of embodiment of filament non-woven fabric manufacture method of the present invention.
Among the figure: 1-yarn cylinder, 2-tensioner, the infrared thread break stop motion of 3-, 4-Ultrasonic Cleaning pond, 5-filament drying unit, 6-creel, 7-filament fiber, 8-speed governing roller, 9-pressure-air entrance, 10-drafting tube, 11-pendulum wire device, 12-holds in the palm lace curtaining, 13-vacuum suction apparatus, the 14-water jet, 15-rotary drum, 16-filament fiber spunlace non-woven cloth, 17-pre-needling head, 18-master's acupuncture head, 19-filament fiber needle punched non-woven fabrics.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof the inventive method is described further.
The filament non-woven fabric manufacture method (abbreviation method, referring to Fig. 1-3, the number of each assembly can increase according to the grammes per square metre of product or reduce in the accompanying drawing) of the present invention's design, adopt following manufacturing technology steps:
Unwinding: utilize creel that the unwinding from the yarn cylinder of the non-twist filament fiber on the yarn cylinder is got off;
Clean: the filament fiber carrying out washing treatment that adopts ultrasonic washing technique that unwinding is got off, the finish of removal fiber surface; Ultrasonic washing technique and cleaning agent are done different choice according to the auxiliary agent kind on washing filament fiber surface; Its technique is originally as prior art.
Dry: the filament fiber of processing through ultrasonic washing carries out the heated-air drying processing by the filament drying unit, removes the most moisture content in filament fiber surface; The temperature of hot blast is selected according to the kind difference of filament fiber, selects 100-350 ℃ such as the continuous glass fibre fiber, if contain low-melting thermoplastic filament fiber in the filament fiber, such as the polypropylene filament fiber, then hot blast temperature is selected 50-80 ℃.
Long filament becomes net: enter the tubular drafting device after filament fiber that super-dry is processed is by speed governing roller and tensioner, in the tubular drafting device, be subject to the drawing-off effect of high speed compression air-flow and have high speed, after this high speed filament fiber by the tubular drafting device is under the high-frequency effect of pendulum wire device and Uniform Dispersion, and becoming lay growth silk fiber net on the lace curtaining; Compressed-air actuated pressure limit is generally selected 0.2-0.8Mpa according to becoming net spee and filament fiber characteristic to select.
Make filament non-woven fabric: by the method for processing nonwoven fabrics of acupuncture, water thorn or hot rolling filament web is made filament non-woven fabric again.Method for processing nonwoven fabrics is originally as prior art.
The equipment that the inventive method adopts mainly is that creel 6, Ultrasonic Cleaning pond 4, filament drying unit 5 and drafting tube 10 optimum organizations are formed.Its technological process is: the filament fiber 7 that unwinding is got off from the yarn cylinder 1 enters the Ultrasonic Cleaning pond 4 that ultrasonic cleaning agent is housed after through tensioners 2 and infrared thread break stop motion 3, after this filament fiber 7 is at the filament drying unit 5 dry moisture content of removing, accelerate to advance under the dried high-speed compressed air effect that in drafting tube 10, is subjected to be entered by compressed air inlet 9 through speed governing rollers 8 without finish filament fiber 7, and behind Uniform Dispersion under 11 effects of pendulum wire device, lay growth silk fiber net (wherein 13 is vacuum suction apparatus) on holder lace curtaining 12 is made the filament non-woven fabric product by main acupuncture 18 or water jet 14 without spinning processing method again.
The inventive method designs for following filament fiber, being specially adapted to can not be directly or organic filament fiber and the inorganic filament fibers such as carbon fiber, glass fibre and Wu Yan fiber such as the polyphenylene sulfide fibre that is difficult to produce by the melt spun-bond process, aramid fiber, polytetrafluoroethylene fibre, viscose, polyimide fiber, polyacrylonitrile fibre, and described filament fiber is the continuous filament fibers of not twisting, and fineness is 1 μ m-200 μ m.
The described speed governing roller 8 of the inventive method and tensioner 2 are smooth roll or resilient roller, and the material of drafting tube is metal tube, and bore is 7.5-12mm, pipe range 800-2500mm, and the drafting tube spacing is 50-200mm; The admission pressure of high-speed compressed air is 0.4-0.8mpa, and the hunting frequency of pendulum wire device 11 is 500-1200 time/min.
The below provides specific embodiments of the invention, and these embodiment only are used for describing the present invention in detail, do not limit the protection domain of the application's claim.
Make the high temperature filtration fiber spun-laced felt of continuous glass fibre, grammes per square metre 700g/m
2
The fiber spun-laced felt technological process of continuous glass fibre (referring to Fig. 2) of the high temperature filtration of the present embodiment, its implementation step:
Unwinding: the yarn cylinder 1 that will be wound with non-twist continuous glass fibre fiber 7 is positioned on the creel 6, and after this continuous glass fibre fiber is set yarn cylinder rotating speed 12000r/min by tensioner 2 and infrared short-term automatic stop arrangement 3.
Clean: the continuous glass fibre fiber 7 after the unwinding is selected the power 3000W of supersonic wave cleaning machine by Ultrasonic Cleaning pond 4, operating frequency 40KHZ, and 60 ℃ of wash temperatures are selected water-soluble ultrasonic cleaning agent.
Dry: continuous glass fibre fiber 7 is set 200 ℃ of hot blast temperatures by filament drying unit 5.
Long filament becomes net: dry continuous glass fibre fiber 7 comes together in drafting tube 10 porch under the effect of speed governing roller 8, and lay becomes the continuous glass fibre fiber web on the holder lace curtaining 12 being laid in behind the Uniform Dispersion under the high velocity effect of pendulum wire device 11; Set pressure-air entrance 9 attenuating blast pressure 0.5Mpa, holder lace curtaining 12 speed are 15m/min, pendulum wire device 11 vibration frequency 800r/min;
Flexible fixed network: under the drive of holder lace curtaining 12, sent in the water thorn device by the continuous glass fibre fiber web that the upper step makes, through being consolidated into continuous glass fibre water thorn felt 16 behind pre-water thorn and the main water thorn, water jet pressure is set as 40bar, 60bar, 80bar, 80bar, 110bar, 110bar, 160bar, 160bar, 80bar, 80bar(from front to back referring to accompanying drawing 2).
Make high temperature filtration PTFE long filament Nomex, grammes per square metre 500g/m
2
Referring to Fig. 3, its implementation step is as follows with the long Nomex technological process of PTFE for the manufacturing high temperature filtration of the present embodiment:
PTFE fiber web forming step (comprising that unwinding, cleaning, drying and long filament become net) is identical with embodiment 1.Its process conditions specifically are set as: attenuating blast pressure 0.45Mpa, holder lace curtaining 7 speed are 15m/min, the fixed network step is sent in the pre-needling machine homodisperse PTFE filament web through pre-needling 17 pre-needling for holder lace curtaining 12, after through being consolidated into PTFE long filament Nomex after 3 road master's acupunctures, the 18 main acupuncture.The pre-needling frequency setting is 600r/min, and main punch frequency is set as 800r/min, 800r/min, 800r/min from front to back successively.
Make the viscose filament yarn spun laced fabric, grammes per square metre 100g/m
2
Technological process (referring to Fig. 2) the implementation step that the present embodiment is made the viscose filament yarn spun laced fabric is identical with embodiment 1.Its process conditions specifically are set as: 100 ℃ of baking temperatures, and attenuating blast pressure 0.45Mpa, holder lace curtaining 7 speed are 20m/min; Water jet pressure is set as 40bar, 60bar, 80bar, 80bar, 110bar, 110bar, 160bar, 160bar, 80bar, 80bar from front to back successively.Remaining with embodiment 1.
Claims (4)
1. the manufacture method of a filament non-woven fabric, this manufacture method adopts following processing step:
Unwinding: utilize creel that filament fiber unwinding from the yarn cylinder is got off; Described filament fiber refers to that the organic filament fiber comprises that polyphenylene sulfide fibre, aramid fiber, polytetrafluoroethylene fibre, viscose, polyimide fiber or polyacrylonitrile fibre and inorganic filament fiber comprise carbon fiber, glass fibre or basalt fibre, and described filament fiber is non-twist continuous filament yarn, and fineness is 1 μ m-200 μ m;
Clean: adopt ultrasonic washing technique carrying out washing treatment filament fiber, remove the finish of fiber surface;
Dry: as to utilize filament drying unit heated-air drying to process filament fiber;
Long filament becomes net: filament fiber is sent into tubular drafting device drawing-off speed-raising by speed governing roller and tensioner, then by pendulum wire device Uniform Dispersion filament fiber, and becoming lay growth silk fiber net on the lace curtaining;
Make filament non-woven fabric: by the method for processing nonwoven fabrics of acupuncture, water thorn or hot rolling filament web is made filament non-woven fabric at last.
2. the manufacture method of described filament non-woven fabric according to claim 1 is characterized in that described speed governing roller and tensioner are smooth roll or resilient roller.
3. the manufacture method of described filament non-woven fabric according to claim 1, the material that it is characterized in that described tubular drafting device is metal tube, bore is 7.5-12mm, pipe range 800-2500mm, the drafting tube spacing is 50-200mm; The admission pressure of high-speed compressed air is 0.4-0.8Mpa.
4. the manufacture method of described filament non-woven fabric according to claim 1, the hunting frequency that it is characterized in that described pendulum wire device is 500-1200 time/min.
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| CN201310292596.2A CN103320968B (en) | 2013-07-12 | 2013-07-12 | A kind of manufacture method of filament non-woven fabric |
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| CN105220360A (en) * | 2015-08-15 | 2016-01-06 | 林鑫源 | A kind of Insulation non-woven fabric |
| CN105437682A (en) * | 2015-12-29 | 2016-03-30 | 苏州鑫茂无纺材料有限公司 | Antistatic non-woven fabric |
| CN106536798A (en) * | 2014-06-24 | 2017-03-22 | 可隆工业株式会社 | Filament web type precursor fabric for activated carbon fiber fabric and method for preparing same |
| CN106567189A (en) * | 2016-11-04 | 2017-04-19 | 东华大学 | Method for preparing high-performance PTFE fiber paper |
| CN106757450A (en) * | 2016-12-02 | 2017-05-31 | 吉林省华纺静电材料科技有限公司 | A kind of de-oiling agent groove for being prepared without finish and attached electrostatic polypropylene short fiber |
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| CN109082776A (en) * | 2018-09-21 | 2018-12-25 | 江苏开迪新材料有限公司 | Using endless tow spinning cake as the sub-wire web forming device and implementation method of raw material |
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| CN111962212A (en) * | 2020-08-13 | 2020-11-20 | 蒋俊 | High-toughness medical non-woven fabric and preparation method thereof |
| CN112095224A (en) * | 2020-09-16 | 2020-12-18 | 宿州衣尔雅无纺布有限公司 | Non-woven fabric for clothing lining and preparation process |
| CN112831906A (en) * | 2021-01-07 | 2021-05-25 | 泰山玻璃纤维有限公司 | Continuous glass fiber stitch-bonded felt production device and production method |
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| US10596545B2 (en) | 2014-06-24 | 2020-03-24 | Kolon Industries, Inc. | Filament web type precursor fabric for activated carbon fiber fabric and method for preparing same |
| CN106536798A (en) * | 2014-06-24 | 2017-03-22 | 可隆工业株式会社 | Filament web type precursor fabric for activated carbon fiber fabric and method for preparing same |
| CN105220360A (en) * | 2015-08-15 | 2016-01-06 | 林鑫源 | A kind of Insulation non-woven fabric |
| CN105437682A (en) * | 2015-12-29 | 2016-03-30 | 苏州鑫茂无纺材料有限公司 | Antistatic non-woven fabric |
| CN106567189A (en) * | 2016-11-04 | 2017-04-19 | 东华大学 | Method for preparing high-performance PTFE fiber paper |
| CN106757450A (en) * | 2016-12-02 | 2017-05-31 | 吉林省华纺静电材料科技有限公司 | A kind of de-oiling agent groove for being prepared without finish and attached electrostatic polypropylene short fiber |
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| CN106995982A (en) * | 2017-03-06 | 2017-08-01 | 常熟市东宇绝缘复合材料有限公司 | The production technology of glass chopped strand mats |
| CN107352218A (en) * | 2017-06-02 | 2017-11-17 | 浙江龙圣华橡胶有限公司 | A kind of preparation method of basalt fibre canvas core conveyor belt |
| CN108018610A (en) * | 2017-12-19 | 2018-05-11 | 无锡其宏包装材料厂 | A kind of fiber filament plate cleaning device |
| CN107988714A (en) * | 2017-12-29 | 2018-05-04 | 大连华阳百科科技有限公司 | A kind of geotechnological cloth production process of polypropylene spunbond hot wind consolidation |
| CN109082776A (en) * | 2018-09-21 | 2018-12-25 | 江苏开迪新材料有限公司 | Using endless tow spinning cake as the sub-wire web forming device and implementation method of raw material |
| CN109082776B (en) * | 2018-09-21 | 2024-01-16 | 溧阳市绿茵毯业有限公司 | Filament dividing and net forming device using filament bundle cake as raw material and implementation method |
| CN109957883A (en) * | 2019-04-27 | 2019-07-02 | 江阴市华思诚无纺布有限公司 | Glass fibre reinforcement high-tenacity polyester yarn non-woven fabrics and production method |
| CN111041582A (en) * | 2019-12-24 | 2020-04-21 | 金湖仁泰化纤有限公司 | Tension drying equipment for modified polypropylene monofilaments |
| CN111962212A (en) * | 2020-08-13 | 2020-11-20 | 蒋俊 | High-toughness medical non-woven fabric and preparation method thereof |
| CN111962212B (en) * | 2020-08-13 | 2021-05-04 | 联丰医用卫生材料(始兴)有限公司 | High-toughness medical non-woven fabric and preparation method thereof |
| CN112095224A (en) * | 2020-09-16 | 2020-12-18 | 宿州衣尔雅无纺布有限公司 | Non-woven fabric for clothing lining and preparation process |
| CN112831906A (en) * | 2021-01-07 | 2021-05-25 | 泰山玻璃纤维有限公司 | Continuous glass fiber stitch-bonded felt production device and production method |
| CN112831906B (en) * | 2021-01-07 | 2022-04-12 | 泰山玻璃纤维有限公司 | Continuous glass fiber stitch-bonded felt production device and production method |
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