CN101760903B - Method for preparing polyphenylene sulfide spun-bonded needle punched non-woven fabrics - Google Patents
Method for preparing polyphenylene sulfide spun-bonded needle punched non-woven fabrics Download PDFInfo
- Publication number
- CN101760903B CN101760903B CN2010101026602A CN201010102660A CN101760903B CN 101760903 B CN101760903 B CN 101760903B CN 2010101026602 A CN2010101026602 A CN 2010101026602A CN 201010102660 A CN201010102660 A CN 201010102660A CN 101760903 B CN101760903 B CN 101760903B
- Authority
- CN
- China
- Prior art keywords
- polyphenylene sulfide
- woven fabrics
- spun
- needle punched
- spinning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004734 Polyphenylene sulfide Substances 0.000 title claims abstract description 42
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 42
- 229920000069 polyphenylene sulfide Polymers 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 73
- 238000009987 spinning Methods 0.000 claims description 46
- 238000001035 drying Methods 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 19
- 238000002360 preparation method Methods 0.000 claims description 17
- 238000002425 crystallisation Methods 0.000 claims description 16
- 230000008025 crystallization Effects 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 15
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 14
- 239000000155 melt Substances 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 11
- 230000004927 fusion Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000001467 acupuncture Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 7
- 235000010290 biphenyl Nutrition 0.000 claims description 7
- 239000004305 biphenyl Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 claims description 5
- 238000010583 slow cooling Methods 0.000 claims description 5
- MHCVCKDNQYMGEX-UHFFFAOYSA-N 1,1'-biphenyl;phenoxybenzene Chemical group C1=CC=CC=C1C1=CC=CC=C1.C=1C=CC=CC=1OC1=CC=CC=C1 MHCVCKDNQYMGEX-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 230000008901 benefit Effects 0.000 abstract description 3
- -1 polyphenylene Polymers 0.000 abstract description 2
- 229920000265 Polyparaphenylene Polymers 0.000 abstract 1
- 238000004080 punching Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 16
- 239000007789 gas Substances 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000009960 carding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007380 fibre production Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 206010058109 Hangnail Diseases 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007863 gel particle Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Landscapes
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
Abstract
The invention relates to a method for preparing polyphenylene sulfide spun-bonded needle punched non-woven fabrics, comprising the steps: slicing of polyphenylene sulfide-pneumatic conveying-precrystallization-drying- melt spinning-air drawing-filament web-forming-needle-punching reinforcement-after finishing-winding, resulting in the polyphenylene sulfide spun-bonded needle punched non-woven fabrics. The invention further discloses a device for the implementation of the method for preparing polyphenylene sulfide spun-bonded needle punched non-woven fabrics. Compared with short fiber needle-punched method for the production of polyphenylene sulfide needle punched non-woven fabrics, the method for preparing polyphenylene sulfide needle punched non-woven fabrics by using spun-bonded filament needle punched method has the advantages of short technological procedures, small number of apparatuses, less required labor force, high production efficiency and large yield.
Description
Technical field
The present invention relates to a kind of needle punched non-woven fabrics preparation technology, belong to the nonwoven production technical field, particularly relate to a kind of preparation method and device thereof of polyphenylene sulfide spun-bonded needle punched non-woven fabrics preparation.
Background technology
In the production of needle punched non-woven fabrics, dry method (staple fibre), spunbond (long filament) two big types of production technologies are arranged.At least have three operations in the dry method nonwoven production system, that is: the preparation of (a) fiber; (b) become net and lapping; (c) reinforcing of fibre web or bonding.Wherein, The history of chopped fiber needle-punched technology early; Use the most extensive; And be the unique technical route that present polyphenylene sulfide needle punched non-woven fabrics is produced, the technological process of the chopped fiber needle-punched nonwoven fabric of polyphenylene sulfide is as follows: the technological process that staple fibre is produced: polyphenylene sulfide slice-crystallization-drying-melt spinning-coiling boundling-balance-drawing-off-HEAT SETTING-tow cut-out-packing in advance; The technological process of back processing: staple fibre-shredding-combing-cross lapping-pinprick reinforcement-back arrangement-coiling.
Because the technological process of short fiber nonwoven production is comparatively complicated, short fiber production is often gone to bear by different enterprises with nonwoven production, causes product to make and processes this increase.Number of devices is many, and the link of required control is also many, therefore needs the labour more.Because the speed of service of equipment is low, thus production efficiency is low, product powerful low, gas permeability is poor, if increase the powerful woven cloth of one deck that in the middle of eedle-punched non-wovens, increases and can cause production cost to increase again.
And spun-bond process more and more occupies an important position as nonwoven production technology at present with the fastest developing speed.It is to utilize chemical fibre spinning principle, in polymer spinning process, makes the continuous filament fibers shop be set to net, and fibre web is reinforced through machinery, chemistry or by the use of thermal means and formed non-weaving cloth.Though spun-bonded needle punched production technology is applied to terylene, nonwoven polypropylene fabric history has for many years been arranged; But adopt polyphenylene sulfide (Polyphenylene Sulfide; Be abbreviated as PPS) there is not the correlation technique report temporarily as the raw material production spun-bonded needle punched non-woven fabrics; The PPS fiber has inborn fire resistance, high heat endurance, the chemical resistance of excellence and good anti-hydrolytic performance, only in strong oxidizer, just can degrade, and the filter material that therefore often is used as the high-temperature flue gas in the industry uses.
The raw material that above-mentioned chopped fiber needle-punched nonwoven fabric adopts is a staple fibre, employing be carding; And spun-bonded needle punched non-woven fabrics adopts is continuous long fiber, and lapping is that mode is that long filament pendulum silk becomes a net.Because short fiber only depends on frictional force to combine between the fiber, when receiving external force, move easily.Therefore, compare with the spun-bonded continuous yarn needle punched non-woven fabrics of equal weight per unit area, the ultimate strength of chopped fiber needle-punched cloth will hang down about 25%.Because the needling density of chopped fiber needle-punched nonwoven fabric is big, interfibrous space is little, so its gas permeability is relatively poor.
Summary of the invention
The objective of the invention is to, overcome the defective that existing short fiber non-woven fabrics craft exists, and provide a kind of new polyphenylene sulfide spun-bonded needle punched non-woven fabrics preparation method and device thereof, can produce powerful high, needle punched non-woven fabrics that strainability is good.
The object of the invention and solve its technical problem and adopt following technical scheme to realize.The preparation method of a kind of polyphenylene sulfide spun-bonded needle punched non-woven fabrics that proposes according to the present invention, it comprises step:
1) crystallization in advance, drying steps: polyphenylene sulfide slice is transported to heating in the pre-crystallizer, crystallization in advance, and afterwards, entering drying tower inner drying is handled under the blowing of hot-air;
2) fusion, spinning step: the section that moisture content reaches spinning requirement is transported in the dried section batch can, under the gravity effect, drops in the screw extruder; Fusion, mixing are filtered through fondant filter, and the melt after the filtration is transported in the spinning manifold; Rotation through the measuring pump transmission device; The melt of the precise volumes pump that is measured is transported on each filament spinning component, and under the side-blown wind action, cooling becomes fiber filament through the melt thread after the slow cooling;
3) high velocity air drafting step: the drawing-off shower nozzle of each filament spinning component below sprays the formation high velocity air downwards, adopts tubular type air drawing technology, and fiber is limited in the drafting tube of air drawing device and is accelerated to the speed of 2500-4500m/min; The fibre bundle that goes out behind the air-flow extension apparatus is laid to the uniform fibers net under the effect of pendulum silk device; And
4) spun-bonded continuous yarn acupuncture step: fibre web enters into processing in the needing machine under the conveying of lapper, formed polyphenylene sulfide spun-bonded needle punched non-woven fabrics.
According to the preparation method of the polyphenylene sulfide spun-bonded needle punched non-woven fabrics of the embodiment of the invention, in crystallization in advance, the drying steps, the temperature of crystallization is set in 110-160 ℃ in advance; The temperature of drying tower is set at 105-150 ℃.
Preparation method according to the polyphenylene sulfide spun-bonded needle punched non-woven fabrics of the embodiment of the invention; In fusion, the spinning step, screw rod is extruded and is divided into six district heating, employing be the resistance heated mode; Temperature is arranged between 205-335 ℃, and the feed opening place of screw extruder is provided with cooling circulating water; Said measuring pump is accurate gear pump; Said fondant filter and spinning manifold are by the diphyl steam heating that can guarantee accurate temperature controlling.
According to the preparation method of the polyphenylene sulfide spun-bonded needle punched non-woven fabrics of the embodiment of the invention, in fusion, the spinning step, the temperature of lateral blowing is controlled by air-conditioning, and temperature is controlled between 15～35 ℃.
According to the preparation method of the polyphenylene sulfide spun-bonded needle punched non-woven fabrics of the embodiment of the invention, in the spun-bonded continuous yarn acupuncture step, the speed controlling of lapper is at 1～100m/min.
In addition; The invention allows for and be used for a kind of device that is used to realize the preparation method of polyphenylene sulfide spun-bonded needle punched non-woven fabrics; This device comprises: pre-crystallizer; Be used for heating, preparatory crystallization polyphenylene sulfide slice, it connects wet section batch can and drying tower respectively, and the other end of drying tower connects does the batch can of cutting into slices; Screw extruder is used for fusion, hybrid slicing, and it connects above-mentioned dried section batch can and fondant filter respectively; Spinning manifold connects above-mentioned fondant filter and measuring pump transmission device respectively, and this measuring pump transmission device is used to measure melt, and quantitatively is transported to and is spun into fiber filament in the spinning manifold; The air drawing device is used for the fiber that above-mentioned spinning manifold comes out is accelerated in drafting tube, connects an above-mentioned spinning manifold and a pendulum silk device respectively, and this pendulum silk device is used for the fibre bundle that behind the air-flow drafting tube is laid to fiber web, one of which end connection lapper; And needing machine, be used for the pinprick reinforcement fiber web.
According to the device of the embodiment of the invention, said drying tower connection one is used to produce the empty dehydrating unit of pressure of heated dry air.
According to the device of the embodiment of the invention, said measuring pump transmission device has a plurality of measuring pumps, and said measuring pump is a gear pump; Said spinning manifold has a plurality of filament spinning components, and said each measuring pump is used for melt Conveying to each filament spinning component.
According to the device of the embodiment of the invention, said spinning manifold also connects a biphenyl steam generator, and this biphenyl steam generator connects the biphenyl storage tank; Said spinning manifold also connects a lateral blowing device by air-conditioning control, is used for the temperature and the humidity of wind are accurately controlled.
According to the device of the embodiment of the invention, said pendulum silk device comprises the some pendulum and following pendulums gone up of high speed swinging, and tow is laid to net smoothly behind pendulum, and along with the motion of lapper is fed forward.
By technique scheme, the advantage that the method for polyphenylene sulfide spun-bonded needle punched non-woven fabrics of the present invention and device thereof are got everything ready is: because the temperature of spinning on the journey is carried out rationally strict control, guaranteed the stability of spinning process; What the drawing-off of fiber was adopted is the high velocity air drawing-off, and spinning speed is high, and the degree of crystallinity of fiber is high, and mechanical property is excellent; And becoming net mode to adopt long filament to become net, and fibre web is powerful high, guarantees that simultaneously PRODUCTS FIELD is powerful consistent, and mechanical property is excellent; Produce the polyphenylene sulfide needle punched non-woven fabrics with chopped fiber needle-punched method and compare, the technological process of the polyphenylene sulfide needle punched non-woven fabrics that employing spun-bonded continuous yarn needle point method produces is short, number of devices is few, and needed labour is few, and production efficiency is high, and output is big.
Description of drawings
Fig. 1 is preparation technology's flow chart of polyphenylene sulfide spun-bonded needle punched non-woven fabrics of the present invention.
Fig. 2 is the used equipment composition diagram of the preparation technology of polyphenylene sulfide spun-bonded needle punched non-woven fabrics of the present invention.
Fig. 3 is the one-tenth net schematic diagram of the pendulum silk device in the device therefor of the present invention.
10: wet section batch can 20: pre-crystallizer
30: drying tower 31: press empty dehydrating unit
40: do section batch can 50: screw extruder
60: fondant filter 70: spinning manifold
71: measuring pump transmission device 72: the biphenyl steam generator
80: air-flow moves stretches device 81: drafting tube
82: pendulum silk device 821: go up pendulum
822: following pendulum 823: fiber web
83: lapper 90: needing machine
91: tension bracket 92: the side cut lapper
The specific embodiment
See also shown in Figure 1ly, preparation technology's flow process of polyphenylene sulfide spun-bonded needle punched non-woven fabrics of the present invention is as follows:
Polyphenylene sulfide slice-gas delivery-crystallization in advance, drying-melt spinning-air drawing-long filament become net-pre-needling-main acupuncture-back arrangement-coiling.
As depicted in figs. 1 and 2, what preparation technology's scheme of the present invention adopted on section is carried is gas delivery, and slice hopper is knocked down in section, after vibrating screen screens out impurity, is transported to the wet section batch can 10 of roof by the air pulse of roots blower generation.In the wet section of 10 li of wet section batch cans conveying, drop into 20 li of pre-crystallizers down through revolving valve.
20 li of pre-crystallizers, section is the state of boiling under the blowing of hot blast, and collision each other prevents bonding between section and the section.Section is heated for 20 li at pre-crystallizer, and degree of crystallinity raises, moisture content reduces, and crystallization temperature is at 110-160 ℃ in advance.The higher section of degree of crystallinity has got into 30 li in drying tower under the blowing of hot-air.In the present embodiment; What drying tower 30 adopted is the filled type drying tower, and section gets into from the top of drying tower 30, in the process that falls, meets with the hot-air that has dehumidified that feeds from drying tower 30 bottoms (by 31 generations of the empty dehydrating unit of the pressure that is connected drying tower 30); Moisture in the section is taken away by hot-air; Stop long enough after the time in 30 li in drying tower, the moisture content of section has reached the requirement of spinning, and baking temperature is 105-150 ℃.
Moisture content reaches the section of spinning requirement, and (moisture content is 20～80ppm) to be transported to the dried section batch can 40 that is arranged in screw extruder 50 tops; Section drops to 50 li of screw extruders under the effect of gravity; Screw rod is extruded and is divided into six district heating, employing be the resistance heated mode, temperature is arranged between 205-335 ℃; The feed opening place of screw extruder 50 is provided with cooling circulating water, to prevent the loops of cutting into slices at the feed opening place.Section is under the effect of the shearing of screw extruder 50 and heating, and fusing of margin melts the limit and advances and mix.Arrived the end of screw rod, the section fusion is complete, and melt pressure is by determination of pressure sensor, thereby the rotating speed that goes to control screw rod through the feedback of pressure guarantees the stable of melt pressure.
After melting mixing was evenly complete, next the melt of pressure stability was filtered by fondant filter 60, and fondant filter 60 can effectively be removed the inorganic impurity in the melt and reach gel particles, to reduce the harmful effect that impurity causes spinning process.Fondant filter 60 is a switchable type, when filtration pressure reduction is big, just old filter core is switched to new filter core, to guarantee the stability of filter effect.
Melt after the filtration is transported in the spinning manifold 70, is equipped with the measuring pump of some in the spinning manifold 70, and through the distribution of melt distributing pipe, melt is arrived in each measuring pump by reasonable distribution.Measuring pump is accurate gear pump, and through the rotation of measuring pump transmission device 71, the melt of the precise volumes pump that is measured is transported on each filament spinning component.Filter sand was housed in the filament spinning component; Can further filter melt, the melt after the filtration enters in each aperture of spinnerets through the effect of distribution plate equably; Melt is divided into some strands of threads equably by spinnerets; Under the effect of pressure and gravity, in the aperture of spinnerets, extrude, be exposed in the air.Fondant filter 60 is heated by diphyl steam with spinning manifold 70, to guarantee accurate temperature controlling.
Melt thread after the process slow cooling is under the side-blown wind action that the lateral blowing device is produced; Constantly be cooled, become solid, under the effect of drafting force and cooling by melt transform; The inner molecule of melt has produced certain crystallization and orientation, becomes the fiber filament with certain mechanical property.The temperature of lateral blowing is controlled by air-conditioning, and the temperature and the humidity of wind are accurately controlled, and spins the temperature of fiber on the journey and the distribution of tension force with this control rationally.Help realizing high speed spinning, the lateral blowing temperature is controlled between 15～35 ℃.
The drafting process of fiber is to be gone to realize by the drawing-off shower nozzle below each filament spinning component; What the drawing-off shower nozzle adopted is the blast injection principle; Behind the annular gap of compressed air through drawing-off shower nozzle inside; Spray the formation high velocity air downwards, and above the drawing-off shower nozzle, form the certain negative pressure district, fiber is formed certain suction.Fiber sucks above the drawing-off shower nozzle; Under the frictional force effect of high velocity air, be accompanied by the downward high-speed motion of air-flow; High velocity air and fiber are limited in air drawing device 80 (in inventive embodiments; What air drawing device 80 adopted is that application number is 01272055.0 disclosed tubular type air draft equipment) in the drafting tube 81 of the certain diameter certain-length that had, fiber finally can be accelerated to the speed of 2500-4500m/min in drafting tube 81.Fiber speed is far longer than the speed of melt when spinneret hole flows out, so melt receives stronger stretching action, molecular melt stretch and the effect of cooling under, the molecularly oriented crystallization, intermolecular force strengthens, fiber has excellent mechanical property.
See also shown in Figure 3ly, go out air-flow extension apparatus fibre bundle after 80s and under the effect of pendulum silk device 82, be laid to uniform fibers net 823.The primary structure of pendulum silk device 82 be can high speed swinging several pendulums (comprising: go up pendulum 821 and following pendulum 822); Tow is laid to net smoothly behind pendulum, and (speed controlling of lapper is fed forward in 1～100m/min) motion along with lapper 83.
Fibre web enters into processing in the needing machine 90 under the conveying of lapper 82.The pricker of some is housed on the needle plate of needing machine 90, and needle plate can drive pricker high-speed motion up and down.Make when motion puncture fiber when pricker and moved downward by the hangnail on the pricker is entrained, fiber tangles, and fibre web is compacted.Tangle each other through fiber in the fibre web after the acupuncture processing, interfibrous frictional force and cohesive force increase, and have formed the needle punched non-woven fabrics of function admirable.
Nonwoven fabric behind the pinprick reinforcement is through after the tension adjustment of tension bracket 91, tension stability, and be cut into fabric width by the cutting knife on the side cut lapper 92 and close the product that symbol requires, the long certain yardage roll of coiling.
In sum, committed step of the present invention is: the fusing spinning step of polyphenylene sulfide, high velocity air drafting step, pendulum silk become net step and spun-bonded continuous yarn acupuncture step.
In fusing spinning step, the present invention also carries out reasonable and strict control to the temperature of spinning on the journey except extruder temperature, spinning temperature are rationally set, through guaranteeing carrying out smoothly of high speed spinning; In drafting step, existing is the low-speed machinery drawing-off, and speed is the high velocity air drawing-off and the present invention adopts below 1000m/min, and speed is about 2500-4500m/min, and it is good to produce fibrous mechanical property; Becoming on the net mode, technology be the short fiber carding now, and the mechanical pendulum sheet long filament that the present invention adopts becomes net, becomes the net spee height, and output is big, fibre web in length and breadth to brute force unanimity relatively; In acupuncture post-reinforcing processing step, prior art is chopped fiber needle-punched, and the needed number of needing machine is many, the product poor mechanical property, and what the present invention adopted is spun-bonded continuous yarn acupuncture technology, and the needing machine number is few, and the product mechanical property is good.
Embodiment 1
(melt index: 105～165g/10min) through gas delivery crystallization in advance in the pre-crystallizer for polyphenylene sulfide slice 300kg; The temperature of setting in the pre-crystallizer after the section process drying tower dried after the crystallization, becomes the dried section of moisture content at 20～60ppm in advance at 110-160 ℃; Pass through extruding, fusion, metering again; The rotating speed of measuring pump is 15rpm, under the effect of pressure and gravity, in the aperture of spinnerets, extrudes; Under the side-blown wind action, become the fiber filament with certain mechanical property through the melt thread after the slow cooling, fibre number is 3D, and through the drafting process of air drawing device, fiber has excellent mechanical property again; Fibre bundle is laid to uniform fibre web under the effect of pendulum silk device, under the conveying of lapper, enter into processing in the needing machine; Through the processing that further compresses, singes, plates of the polyphenylene sulfide fibre layer behind the pinprick reinforcement, promptly get polyphenylene sulfide spun-bonded needle punched non-woven fabrics product of the present invention, the product grammes per square metre is 150g/m2.
Embodiment 2
(melt index: 105～165g/10min) through gas delivery crystallization in advance in the pre-crystallizer for polyphenylene sulfide slice 500kg; The temperature of setting in the pre-crystallizer after the section process drying tower dried after the crystallization, becomes the dried section of moisture content at 20～60ppm in advance at 110-160 ℃; Pass through extruding, fusion, metering again; The rotating speed of measuring pump is 19rpm, under the effect of pressure and gravity, in the aperture of spinnerets, extrudes; Under the side-blown wind action, become the fiber filament with certain mechanical property through the melt thread after the slow cooling, fibre number is 6D, and through the drafting process of air drawing device, fiber has excellent mechanical property again; Fibre bundle is laid to uniform fibre web under the effect of pendulum silk device, under the conveying of lapper, enter into processing in the needing machine; Through the processing that further compresses, singes, plates of the polyphenylene sulfide fibre layer behind the pinprick reinforcement, promptly get polyphenylene sulfide spun-bonded needle punched non-woven fabrics product of the present invention, the grammes per square metre of product is 500g/m2.
Through the foregoing description, the present invention adopts the nonwoven fabric of novel spun-bonded needle punched explained hereafter to have following advantage with comparing with the needle punched non-woven fabrics of short fiber production:
1, technological process is short, the tight Qi of apparatus arrangement, and floor space is few.
2, number of devices is few, and needed labour is also less, and maintenance management is comparatively convenient.
3, speed of production is high, and output is big, and production efficiency is high, and energy consumption is little, and production cost is low.
4, the good filtration effect of product, brute force is also higher, and vertical and horizontal brute force is comparatively approaching, good product quality.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (3)
1. the preparation method of a polyphenylene sulfide spun-bonded needle punched non-woven fabrics is characterized in that it may further comprise the steps:
1) crystallization in advance, drying steps: polyphenylene sulfide slice is transported to heating in the pre-crystallizer, crystallization in advance, afterwards, under the blowing of hot-air, carries out dried in the entering drying tower, wherein, the temperature of crystallization is set in 110-160 ℃ in advance; The temperature of drying tower is set at 105-150 ℃;
2) fusion, spinning step: the section that moisture content reaches spinning requirement is transported in the dried section batch can, under the gravity effect, drops in the screw extruder; Fusion, mixing; Filter through fondant filter, screw rod is extruded and is divided into six district's heating, employing be the resistance heated mode; Temperature is arranged between 205-335 ℃, and the feed opening place of screw extruder is provided with cooling circulating water; Melt after the filtration is transported in the spinning manifold, and through the rotation of measuring pump transmission device, the melt of the precise volumes pump that is measured is transported on each filament spinning component, and said measuring pump is accurate gear pump; Said fondant filter and spinning manifold are by the diphyl steam heating that can guarantee accurate temperature controlling, and under the side-blown wind action, cooling becomes fiber filament through the melt thread after the slow cooling, and the temperature of lateral blowing is controlled by air-conditioning, and temperature is controlled between 15～35 ℃;
3) high velocity air drafting step: the drawing-off shower nozzle of each filament spinning component below sprays the formation high velocity air downwards; Adopt tubular type air drawing technology; Fiber is accelerated under the effect of high velocity air; Be limited in the drafting tube of air drawing device, fiber finally can be accelerated to the speed of 2500-4500m/min in drafting tube; The fibre bundle that goes out behind the drafting tube is laid to the uniform fibers net under the effect of pendulum silk device; And
4) spun-bonded continuous yarn acupuncture step: fibre web enters into processing in the needing machine under the conveying of lapper, formed polyphenylene sulfide spun-bonded needle punched non-woven fabrics, and the speed controlling of lapper is at 1～100m/min.
2. method according to claim 1 is characterized in that: said spinning manifold also connects a biphenyl steam generator, and this biphenyl steam generator connects the biphenyl storage tank; Said spinning manifold also connects a lateral blowing device by air-conditioning control, is used for the temperature and the humidity of wind are accurately controlled.
3. method according to claim 1 is characterized in that: said pendulum silk device comprises the some pendulum and following pendulums gone up of high speed swinging, and tow is laid to net smoothly behind pendulum, and along with the motion of lapper is fed forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101026602A CN101760903B (en) | 2010-01-26 | 2010-01-26 | Method for preparing polyphenylene sulfide spun-bonded needle punched non-woven fabrics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101026602A CN101760903B (en) | 2010-01-26 | 2010-01-26 | Method for preparing polyphenylene sulfide spun-bonded needle punched non-woven fabrics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101760903A CN101760903A (en) | 2010-06-30 |
| CN101760903B true CN101760903B (en) | 2012-04-25 |
Family
ID=42492274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101026602A Active CN101760903B (en) | 2010-01-26 | 2010-01-26 | Method for preparing polyphenylene sulfide spun-bonded needle punched non-woven fabrics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101760903B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132248B (en) * | 2011-11-24 | 2015-06-24 | 佛山市斯乐普特种材料有限公司 | Manufacturing equipment for elastic spun-bonded nonwovens and method for elastic spun-bonded nonwovens |
| CN102490417B (en) * | 2011-12-01 | 2013-12-11 | 江南大学 | Preparation method for polyphenylene sulfide bonded needle fabrics |
| CN103014889B (en) * | 2012-12-27 | 2015-09-16 | 四川安费尔高分子材料科技有限公司 | A kind of high-performance polyphenylene sulfide fine count fiber production equipment and process |
| CN103088552B (en) * | 2013-02-05 | 2014-12-17 | 宁波市奇兴无纺布有限公司 | Manufacturing technology of polyethylene spunbond cloth |
| CN103205902B (en) * | 2013-03-05 | 2015-05-27 | 大连华阳化纤科技有限公司 | Production method of polyester filament spunbonded needle-punched felt base |
| CN103242659A (en) * | 2013-05-31 | 2013-08-14 | 常熟市金泉化纤织造有限责任公司 | Method for increasing viscosity of polyphenylene sulfide resin before spinning |
| CN103320968B (en) * | 2013-07-12 | 2015-10-14 | 天津工业大学 | A kind of manufacture method of filament non-woven fabric |
| CN103710880B (en) * | 2013-12-17 | 2016-08-17 | 佛山市斯乐普特种材料有限公司 | A kind of antioxidant polyphenylene sulfide spun-bonded spunlace nonwoven filter and production method thereof |
| CN108505216A (en) * | 2018-03-01 | 2018-09-07 | 盘锦禹王无纺布有限责任公司 | The manufacturing method of polyester filament spun-bonded non-woven fabrics |
| CN111155241B (en) * | 2020-01-13 | 2020-12-08 | 金纬机械(海宁)有限公司 | Melt-blown non-woven fabric processing machine |
| TWI770569B (en) * | 2020-07-29 | 2022-07-11 | 新麗企業股份有限公司 | Nonwoven fabric manufacturing equipment and manufacturing method thereof |
| CN114059358A (en) * | 2020-07-31 | 2022-02-18 | 新丽企业股份有限公司 | Apparatus and method for manufacturing non-woven fabric |
| CN112301543B (en) * | 2020-11-18 | 2023-06-06 | 浙江百联无纺科技有限责任公司 | Nanofiber non-woven fabric production equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2517757Y (en) * | 2001-12-07 | 2002-10-23 | 大连经济技术开发区赛阳化纤工程有限公司 | Tube airflow drawing appts. |
| CN101532212A (en) * | 2009-04-23 | 2009-09-16 | 华南理工大学 | PPS spunbonded nonwoven cloth, composite product and preparation method thereof |
| CN101532211A (en) * | 2009-04-19 | 2009-09-16 | 山东泰鹏无纺有限公司 | Regenerated terylene spun-bonded hot rolling non-woven fabric |
-
2010
- 2010-01-26 CN CN2010101026602A patent/CN101760903B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2517757Y (en) * | 2001-12-07 | 2002-10-23 | 大连经济技术开发区赛阳化纤工程有限公司 | Tube airflow drawing appts. |
| CN101532211A (en) * | 2009-04-19 | 2009-09-16 | 山东泰鹏无纺有限公司 | Regenerated terylene spun-bonded hot rolling non-woven fabric |
| CN101532212A (en) * | 2009-04-23 | 2009-09-16 | 华南理工大学 | PPS spunbonded nonwoven cloth, composite product and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 郭秉臣.纺粘法非织造布生产技术.《非织造布学》.中国纺织出版社,2002,(第一版),第370页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101760903A (en) | 2010-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101760903B (en) | Method for preparing polyphenylene sulfide spun-bonded needle punched non-woven fabrics | |
| CN1097100C (en) | Process of making spun-bonded web | |
| CN103638746B (en) | Efficient low-resistance spunbonded nonwoven filter material, production equipment and manufacturing method thereof | |
| CN103132248B (en) | Manufacturing equipment for elastic spun-bonded nonwovens and method for elastic spun-bonded nonwovens | |
| CN103205902B (en) | Production method of polyester filament spunbonded needle-punched felt base | |
| CN112609259B (en) | Modified polymer fiber and preparation method and application thereof | |
| CN109056196B (en) | High-filtering-precision polyester spunbonded non-woven fabric manufacturing equipment and method | |
| CN101173419A (en) | Production method of thick needle-punched non-woven fabric of spun-bonded polyester | |
| CN106995983A (en) | A kind of production method of double component molten spraying super-fine-fiber net | |
| JP2008513620A (en) | Method for preparing nonwoven cellulosic structures and nonwoven cellulosic structures prepared therefrom | |
| CN202181379U (en) | Production equipment of polyphenylene sulfide filament yarns | |
| CN103074739A (en) | Production method for polypropylene spun-bonded needle-punched geotextile | |
| CN209602745U (en) | A kind of SSMS type spun-bonded non-woven fabrics process units | |
| CN103710880B (en) | A kind of antioxidant polyphenylene sulfide spun-bonded spunlace nonwoven filter and production method thereof | |
| CN106087255A (en) | The preparation method of polyester ageing resistance by ultraviolet light spunbonded needle-punched geotextile | |
| CN101392432A (en) | Method for producing melt-blown nonwoven down dual constituent thermal insulating interlining | |
| CN104153129A (en) | Non-woven melt direct spinning one-step method continuous production device and technology | |
| CN109208181A (en) | A kind of online screening lattice cloth production process of Spunbond/Needling Nonwovens | |
| CN112575397B (en) | Spinneret plate, equipment and method for manufacturing high-gram-weight spun-bonded hot-rolled non-woven fabric | |
| CN1492093A (en) | Method for producing single component spun-bonded-needle punched, spun-bonded-hot rolled non-woven fabric | |
| CN206858772U (en) | Equipment for producing three component compound nonwoven cloths | |
| CN108823812A (en) | One kind washing the Comoposite spunbonded hot rolling hot wind consolidated nonwoven cloth production process of brocade | |
| CN109652920A (en) | A kind of preparation facilities of three-dimensional structure melt-blow nonwoven | |
| CN104358030A (en) | Coarse-denier high-strength spun-bonded non-woven fabrics and preparation method thereof | |
| CN106917193A (en) | Equipment for producing three component compound nonwoven cloths |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528225 Guangdong province Foshan Junye Nanhai District of Shishan science and Technology Industrial Park C District Road No. 5 Patentee after: Guangdong environmental technology Limited by Share Ltd Address before: 528225 Guangdong province Foshan Junye Nanhai District of Shishan science and Technology Industrial Park C District Road No. 5 Patentee before: Foshan S.L.P. Special Materials Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528225 No. 5, Jun Ye Road, C area, Shishan science and Technology Industrial Park, Nanhai District, Foshan, Guangdong Patentee after: Guangdong Bao Hong new material Limited by Share Ltd Address before: 528225 No. 5, Jun Ye Road, C area, Shishan science and Technology Industrial Park, Nanhai District, Foshan, Guangdong Patentee before: Guangdong environmental technology Limited by Share Ltd |
|
| CP01 | Change in the name or title of a patent holder | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100630 Assignee: Guangdong Yaoda Financial Leasing Co., Ltd Assignor: Guangdong Bao Hong new material Limited by Share Ltd. Contract record no.: X2021980002769 Denomination of invention: Preparation of PPS spunbonded needle punched nonwovens Granted publication date: 20120425 License type: Exclusive License Record date: 20210419 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Preparation of PPS spunbonded needle punched nonwovens Effective date of registration: 20210420 Granted publication date: 20120425 Pledgee: Guangdong Yaoda Financial Leasing Co., Ltd Pledgor: Guangdong Bao Hong new material Limited by Share Ltd. Registration number: Y2021980002818 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |