CN106591969B - A kind of preparation method of polyether-ether-ketone doughnut - Google Patents
A kind of preparation method of polyether-ether-ketone doughnut Download PDFInfo
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- CN106591969B CN106591969B CN201611226693.1A CN201611226693A CN106591969B CN 106591969 B CN106591969 B CN 106591969B CN 201611226693 A CN201611226693 A CN 201611226693A CN 106591969 B CN106591969 B CN 106591969B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/66—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyethers
- D01F6/665—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyethers from polyetherketones, e.g. PEEK
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
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- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The present invention relates to a kind of preparation methods of polyether-ether-ketone doughnut, belong to organic fiber preparing technical field.The main polyetheretherketonefiber fiber lack of homogeneity for solving the problems, such as that in the prior art prepared by doughnut preparation method.The method of the present invention utilizes spinning-stage polyetheretherketoneresin PP Pipe Compound, in an extruder through screw rod melting extrusion, controls load by melt metering pump, then after the filtering of component filters system, polyether-ether-ketone doughnut material strip is formed by hollow spinneret plate；Then it draws through godet, is cooled down by the different types of cooling, spun filament is collected by winding device；Spun filament is finally imported into hot gas spring shaping equipment, polyether-ether-ketone doughnut is made.This method is simple and convenient, versatile, there is the polyether-ether-ketone doughnut of preparation good quality stability, intensity, toughness, uniformity and wearability etc. also to have more significant performance, wear-resistant fabric, thermal protection and light material etc. are can be used as, there is very wide application prospect.
Description
Technical field
The invention belongs to technical fields prepared by organic fiber, and in particular to a kind of preparation side of polyether-ether-ketone doughnut
Method.
Background technology
Polyether-ether-ketone (PEEK) is a kind of aromatic thermoplastic resin of hemicrystalline, has excellent comprehensive performance, such as
High-fire resistance, high chemical resistance, high radiation resistance, impact strength are high, wearability is good, fatigue durability is good etc., in many necks
Domain can be widely used with traditional materials such as alternative metals, ceramics.When in different field in application, required
Polyether-ether-ketone product is different.Wherein, polyetheretherketonefiber fiber product has very important demand, such as paper maker in many fields
Fuel filter strainer, mesh grid and medical instrument of conveyer belt, space shuttle and automobile that industry uses etc..With technology
It is constantly progressive, advanced optimizes resource, improving production efficiency and promote sustainable development, the lightweight of polyetheretherketonefiber fiber and property
Can become privileged equally be academicly with apply upper one of research emphasis.
One of light-weighted technical way of fiber is to use cross section for hollow method.Hollow fibrous material is not
It is only capable of under conditions of keeping original fibrous material mechanical property and mechanical strength not to decline excessively, also has higher wear-resistant
Property, fold resistance and heat insulation property, moreover it is possible to assign the new functions such as part fibrous material micro-filtration, ultrafiltration, sound insulation, and quality is more
Gently, cost is lower, thus the market with better application field and bigger.
In the prior art, the preparation method of doughnut be by during melt spinning, into component plus it is hollow into
Device of air.But spinneret in the prior art can only correspond to a spinneret orifice, can only produce individual thread, production efficiency reduces,
Entire component dismounting is complicated simultaneously.Structure by designing spinneret realizes that fiber cavitation has highly efficient method, such as
In Chinese patent dacron thin-denier high-hollow short fiber and its production method (application number 200510029778.6), three sections of circles are described
The spinneret of arc slit design；A kind of production method (publication number 51302656B) of fine-denier hollow pet staple fiber of Chinese patent
In, the spinneret orifice of spinneret is circular in single radial cut " C " shape；In a kind of spray producing hollow polyphony thioether short fiber of Chinese patent
In filament plate (publication number 202131404U), describe it is a kind of it is evenly distributed on the body have a spinneret orifice, the section of spinneret orifice is in two
A symmetrical half frame arranges in opposite directions, the spinneret of an intermediate determining deviation.These methods solve produces on doughnut process units
The technical issues of industry.
The melt viscosity of polyether-ether-ketone is higher, and the preparation of polyetheretherketonefiber fiber is originally extremely difficult, and cost is higher, and polyethers
The cavitation of ether ketone fiber is just more difficult, and technique is more complicated, therefore limits its application and development in market.A large amount of real
Lower discovery is tested, the above method prepares polyether-ether-ketone doughnut and has the following problems：
1, the type of cooling is using single side cross air blasting, the blowing of outer side ring and internal porosity blowing, and speed is slower, and equipment is complicated
And it is expensive；
2, mode of traction is easily destroyed the hollow shape of doughnut in distraction procedure, influences the product of final doughnut
Matter；
3, the homogeneity of the doughnut degree of hollowness prepared, the consistency of hollow outer diameter fail to be completely secured；
4, the actual fibers number of the doughnut prepared and the consistency of spinneret hole count fail to be completely secured.
Invention content
In order to solve the above technical problems, the present invention provides a kind of preparation method of polyether-ether-ketone doughnut.
A kind of preparation method of polyether-ether-ketone doughnut, steps are as follows：
It is melted Step 1: being added in extruder after special-purpose material for spinning-stage polyetheretherketoneresin resin is dried, obtained melt warp
Melt pipeline is delivered in metering pump babinet, and accurately metering is output to the metering pump in metering pump babinet under constant pressure condition
The melt amount of filament spinning component, and melt is sent to filament spinning component, melt first passes through the filtering of filter system, so in filament spinning component
By hollow spinneret plate spinneret, polyether-ether-ketone doughnut melt material strip is obtained；
The hollow spinneret plate includes pedestal, boss, spinneret unit and heating system, and pedestal is disc-shaped structure, pedestal
Top edge be equipped with circular ring shape in step；Boss is disc-shaped structure, and diameter is less than the diameter of pedestal, is fixed under pedestal
It is on surface and coaxial with pedestal；Spinneret unit can be one or more, and each spinneret unit is by spinneret orifice, plug and pipeline
Wall forms, and spinneret orifice runs through pedestal and boss, and hole axle is parallel to the central shaft of pedestal, and spinneret orifice internal diameter is from pedestal to boss
It is gradually reduced on direction, is divided into import, channel and extrusion cavities；Plug is cylinder, and pillar height is equal with extrusion cavities hole height, two
It holds the setting of alignment in extrusion cavities and coaxial with extrusion cavities, the first venthole is equipped with along extrusion cavities axial direction in plug, the
The bottom end opening of one venthole is aligned with the bottom end opening of extrusion cavities, and the hole that hole height is less than extrusion cavities is high；Duct wall setting is being squeezed
The non-extruded end portalled radially is arranged along extrusion cavities, is fixedly connected with plug, is equipped in duct wall and is radially arranged along extrusion cavities
Second venthole, second venthole one end are connected to the first venthole, and the other end runs through outer wall of boss and atmosphere；Heating system
System is sleeved on the outer wall of boss；The temperature of hollow spinneret plate is 5-25 DEG C higher than the temperature of filament spinning component；
Step 2: the polyether-ether-ketone doughnut melt material strip that step 1 is obtained after the first beaming device boundling, passes through
Then seal wire roller guide is led into cooling system cooling and shaping into the first winding device, hauling speed 30-800m/min, volume
It is 5-500m/min around speed, obtains polyether-ether-ketone doughnut spun filament；
Step 3: by polyether-ether-ketone doughnut spun filament first from precursor roller through the second beaming device boundling, then through leading
Silk hot-rolling be pulled into the first heating slit preheating, be then pulled into the second heating slit through the first drawing-off hot-rolling, then according to
It is secondary to be drawn to the second winding device through the traction of the second drawing-off hot-rolling, sizing hot-rolling, obtain polyether-ether-ketone doughnut；
The temperature of the seal wire hot-rolling is 100-150 DEG C, and the temperature of the first heating slit is 150-180 DEG C, the first drawing-off
The temperature of hot-rolling is 100-210 DEG C, and the temperature of the second heating slit is 180-280 DEG C, and the temperature of the second drawing-off hot-rolling is 100-
210 DEG C, sizing heat roller temperature is 150-230 DEG C, and sizing is than being (0.90-1.10):1, the entire hot gas spring multiplying power of step 3 is
1.5-5.5。
Preferably, in the step 1, drying temperature is 100-160 DEG C, time 2-12h.
Preferably, in the step 1, the temperature of extruder is 280-430 DEG C, and the temperature of melt pipeline is maintained at spinning
40-100 DEG C on silk stage polyetheretherketoneresin resin PP Pipe Compound fusing point, the temperature of metering pump babinet is higher 10- than the temperature of melt pipeline
20℃。
Preferably, in the step 1, the internal diameter of import is gradually reduced, maximum gauge A1, minimum diameter A2；It is logical
It is constant that the diameter in road first remains A2, is then gradually decrease to D1, and the diameter of extrusion cavities keeps D1 constant.
Preferably, in the step 1, height h1 and extrusion cavities hole high H1 of the duct wall in extrusion cavities axial direction
Relationship is h1=(0.4-0.7) H1, and extrusion cavities hole height is H1=(1.5-2.5) D1, duct wall with the relationship for squeezing out bore dia D1
It is 0.1-1.0mm in the length d1 of extrusion cavities radial direction, it is 0.5-4.5mm to squeeze out bore dia D1, and the diameter D2 of plug is 0.2-
3.0mm, the first venthole aperture r1 are 0.1-2.3mm, and the aperture r2 of the second venthole (331) is 0.08-0.8mm.
Preferably, in the step 1, the number of spinneret unit is 1-20.
Preferably, in the step 2, the process into cooling system cooling and shaping is：
Polyether-ether-ketone doughnut melt material strip after boundling introduces air cooling system by godet, and air cooling system includes upper
Surface uses the cooling bath of high temperature resistant heat insulation material covering, is arranged another in cooling bath in the Air cooler 82 of cooling bath side and setting
The ventilated net of side, the wind direction of Air cooler are the directions along drawing of fiber, and wind chill temperatures are at 10-50 DEG C, and wind speed is in 0-5m/min；
Alternatively, the polyether-ether-ketone doughnut melt material strip after boundling introduces liquid cooling system, liquid cooling system by godet
Using the cooling bath of high temperature resistant heat insulation material covering and the cooling device in cooling bath outer wall is set including upper surface, coolant liquid is put
It sets in cooling bath, is cooled down by cooling device.
Preferably, the coolant liquid is high boiling aromatic hydrocarbon solvent oil, dimethicone, high temperature resistant silicone oil, mineral oil, carbon
12 high boiling point solvent oils, high temperature heat conductive oil or polymethylphenyl siloxane fluid.
Preferably, in the step 3, the temperature of the first drawing-off hot-rolling, the second drawing-off hot-rolling and hot-rolling of shaping passes through guarantor
Incubator controls, and air-heater is equipped in incubator, blowing temperature is identical as the temperature of corresponding hot-rolling, and wind speed is held in 0-3m/min
Continue and dries in case body-internal-circulation.
Preferably, precursor roller control precursor output speed is 30-300m/min, and the output speed of seal wire hot-rolling is 30-
The draft speed of 300m/min, the first drawing-off hot-rolling are 30-500m/min, and the draft speed of the second drawing-off hot-rolling is 30-800m/
The draft speed of min, hot-rolling of shaping are 30-800m/min, and the speed of the take-up roll of the second winding device is 5-500m/min.
Compared with prior art, beneficial effects of the present invention：
The preparation method of the polyether-ether-ketone doughnut of the present invention,
Use the hollow spinneret plate of special construction, compared with the existing technology in hollow spinneret plate, make fiber straight
On diameter, degree of hollowness and radical with bigger modification scope, while ensure that the homogeneity of hollowness of fibre, hollow outer diameter one
The consistency of cause property and actual fibers and spinneret hole count；
The preparation method of the polyether-ether-ketone doughnut of the present invention can get low-crystallinity using air-cooled and liquid cooling mode
Spun filament more conducively keeps uniform hollow shape, and cost is lower, and wherein amorphous state spun filament can be obtained in liquid cooling mode,
And the spun filament of low-crystallinity is conducive to subsequent draw orientation sizing, and then improve the mechanicalness of polyether-ether-ketone doughnut
Can, reduce surface defect；
The preparation method of the polyether-ether-ketone doughnut of the present invention, during polyether-ether-ketone doughnut draw orientation,
Pre-crystallized, holding hollow fibre shape is first carried out in the heating of polyether-ether-ketone resin cold crystallization temperature area at a slow speed drawing-off；Then exist
Drawing-off at a slow speed at a temperature of 40-140 DEG C above higher than polyether-ether-ketone resin glass transition temperature ensures that molecular chain orientation is complete
It is kind, improve the degree of orientation；Heat-setting process uses the mode of relaxation or tensioning ensure that the perfect of strand crystallization, improves crystallization
Degree, the final performance for improving fiber；
In short, the method preparation of the present invention is simple and convenient, there is versatility, polyether-ether-ketone doughnut list can be prepared
Or multifilament, polyether-ether-ketone doughnut obtained have high quality stability, high intensity, high tenacity, good uniformity and resistance to
Performance is ground, wear-resistant fabric material, thermally protective materials and light material etc. are can be used as, there is very wide application prospect.
Description of the drawings
Fig. 1 is the process flow diagram (liquid cooling system) of the melt spinning of polyether-ether-ketone doughnut of the present invention；
Fig. 2 is the process flow diagram (air cooling system) of the melt spinning of polyether-ether-ketone doughnut of the present invention；
Fig. 3 is that polyether-ether-ketone doughnut spun filament of the present invention draws process flow diagram；
Fig. 4 is the front view of the hollow spinneret plate of the present invention；
Fig. 5 is the vertical view of Fig. 4；
Fig. 6 is the upward view of Fig. 4；
Fig. 7 is the internal structure schematic diagram of the hollow spinneret plate of the present invention；
Fig. 8 is the structural schematic diagram of the spinneret unit of the hollow spinneret plate of the present invention；
Fig. 9 is the structural schematic diagram of the extruding zone of the hollow spinneret plate of the present invention；
In Figure 10, a is the figure of the scanning electron microscope of the polyether-ether-ketone doughnut cross section of the embodiment of the present invention 2
Piece, b are the picture of the scanning electron microscope of the polyether-ether-ketone doughnut cross section of the embodiment of the present invention 3, and c is that the present invention is real
The picture of the scanning electron microscope of the polyether-ether-ketone doughnut cross section of example 4 is applied, d is the polyethers ether of the embodiment of the present invention 7
The picture of the scanning electron microscope of ketone doughnut cross section；
In figure, 1, extruder, 2, melt pipeline, 3, metering pump babinet, 31, metering pump, 4, filament spinning component, 5, hollow spinneret
Plate, 51, pedestal, 511, step in annular, 52, boss, 53, spinneret unit, 531, spinneret orifice, 5311, import, 5312, channel,
5313, extrusion cavities, 532, plug, the 5321, first venthole, 533, duct wall, the 5331, second venthole, the 6, first collection is got one's things ready
It sets, 7, godet, 81, cooling bath, 82, Air cooler, 83, ventilated net, 84, cooling device, 85, coolant liquid, 9, the first volume installs around
It sets, 10, crane, 11, precursor roller, the 12, second beaming device, 13, seal wire hot-rolling, the 14, first heating slit, 15, first leads
Stretch hot-rolling, the 16, second heating slit, the 17, second drawing-off hot-rolling, 18, sizing hot-rolling, the 19, second winding device, 20, incubator.
Specific implementation mode
In order to further appreciate that the present invention, the preferred embodiments of the invention are retouched With reference to embodiment
It states, but it is to be understood that these descriptions are only the feature and advantage further illustrated the present invention, rather than to patent of the present invention
It is required that limitation.
As shown in Figs. 1-3, a kind of preparation method of polyether-ether-ketone doughnut, steps are as follows：
Step 1: special-purpose material for spinning-stage polyetheretherketoneresin resin is dried, drying temperature is 100-160 DEG C, and the time is
2-12h is added in extruder 1 after dry, heats up step by step in extruder 1, melted in 280-430 DEG C of temperature range, obtain melt,
Melt is delivered to through melt pipeline 2 in metering pump babinet 3, and the metering pump 31 in metering pump babinet 3 is accurate under constant pressure condition
Really metering is output to the melt amount of filament spinning component 4, and melt is sent to filament spinning component 4, and melt first passes through in filament spinning component 4
Filtration system filters, and then through 5 spinneret of hollow spinneret plate, obtains polyether-ether-ketone doughnut melt material strip.
In step 1, special-purpose material for spinning-stage polyetheretherketoneresin resin is the prior art (referring to Chinese patent spinning-grade polyethers ether
Ketone resin PP Pipe Compound and preparation method thereof (200810050213.X)), by the polyether-ether-ketone resin of 87.0-100.0wt%, 0.0-
The high-temperature lubricant of 3.0wt% and the poly aryl ketone liquid crystal polymer composition of 0.0-10.0wt%.Optimization formula is tetra- kinds of a, b, c, d
(melt index of PEEK pure resins is 10-80g/10min), shown in table specific as follows：
In step 1, the temperature of melt pipeline 2 is maintained on polyether-ether-ketone resin fusing point 40-100 DEG C, metering pump babinet
3 temperature is 10-20 DEG C higher than the temperature of melt pipeline 2, and the gear meter that operating temperature can reach 500 DEG C may be used in metering pump 31
Amount pump.The temperature of hollow spinneret plate 5 is 5-25 DEG C higher than the temperature of filament spinning component 4, it is ensured that polyether-ether-ketone melt can be preferably closed
Cyclization.
As Figure 4-Figure 6, hollow spinneret plate 5 includes pedestal 51, boss 52 and spinneret unit 53.Wherein, pedestal 51 is circle
The top edge of disk-shaped structure, pedestal 51 is equipped with step 511 in the circular ring shape for placing filter screen.Boss 52 is disc knot
Structure, diameter are less than the diameter of pedestal 51, are fixed on the lower surface of pedestal 51 and coaxial with pedestal 51.Spinneret unit 53 can be
One or more, with specific reference to needing the radical of spinneret to determine, and can increase, usually with the raising of 52 surface area of boss
1-20.When spinneret unit 53 is one, it is generally located on the center of boss 52, when spinneret unit 53 is multiple,
Circumference uniform distribution is arranged on the edge of boss 52.As Figure 7-9, each spinneret unit 53 is by spinneret orifice 531, plug 532
It is formed with duct wall 533, spinneret orifice 531 is through pedestal 51 and boss 52, and hole axle is parallel to the central shaft of pedestal 51, spinneret orifice
531 internal diameters, to being gradually reduced on the direction of boss 52, are divided into import 5311, channel 5312 and extrusion cavities from pedestal 51
5313, the internal diameter of import 5311 is gradually reduced, maximum gauge A1, minimum diameter A2；The diameter in channel 5312 first remains
A2 is constant, is then gradually decrease to D1, and the diameter of extrusion cavities 5313 keeps D1 constant；Plug 533 is cylindrical, a diameter of D2,
Pillar height is equal with the extrusion cavities high H1 in 5313 hole, in extrusion cavities 5313 and coaxial with extrusion cavities 5313, the core of Justified setting
In stick 533 the first venthole 5321, the bottom end opening and extrusion of the first venthole 5321 are equipped with along 5313 axial direction of extrusion cavities
The bottom end opening in hole 5313 is aligned, and the hole that hole height is less than extrusion cavities 5313 is high；Duct wall 533 is arranged to be squeezed in the non-of extrusion cavities 5313
Outlet is fixedly connected along the radial setting of extrusion cavities 5313 with plug 532, is equipped in duct wall 533 and is set along 5313 radial direction of extrusion cavities
The second venthole 3531 set, 3531 one end of the second venthole are connected to the first venthole 5321, and the other end is outside boss 52
Wall and atmosphere.First venthole 5321 and the second venthole 3531 can ensure inside hollow fibre air pressure and outside atmosphere
It presses identical, prevents filament contraction.Hollow spinneret plate is additionally provided with heating system, and heating system is sleeved on the outer wall of boss 52, uses
In the heating of hollow spinneret plate.
In present embodiment, D1 0.5-4.5mm, D2 0.2-3.0mm, H1 are (1.5-2.5) D1, and duct wall 533 exists
The radial length d1 of extrusion cavities 5313 is 0.1-1.0mm, is (0.4-0.7) H1 in the axial height h1 of extrusion cavities 5313, first
5321 aperture r1 of venthole is 0.1-2.3mm, and the aperture r2 of the second venthole 3531 is 0.08-0.8mm.Hollow spinneret plate uses
Anti-static material prevents in spinning process, rub between resin and hollow spinneret plate and the electrostatic that generates, and then improve spinning
Speed.
Step 2: the polyether-ether-ketone doughnut melt material strip that step 1 is obtained after 6 boundling of the first beaming device, passes through
Godet 7 is oriented to, and into cooling system cooling and shaping, is then led into the first winding device 9, hauling speed 30-800m/min,
Winding speed is 5-500m/min, obtains non-stretched polyether-ether-ketone doughnut spun filament.
In step 2, cooling system is divided into air cooling system or liquid cooling system, and can switch over according to demand, cooling system
At 5 lower section 5-20cm of hollow spinneret plate, due to liquid cooling system than air cooling system cooling rate faster, can be had
The doughnut spun filament of more low-crystallinity, it is advantageous to liquid cooling systems.Cooling system ensures doughnut from hollow spinneret plate 5
After extrusion, the quick fixation of strand, fiber keeps hollow shape, while reducing the crystalline rate and crystallinity of spun filament,
During ensureing first break draft, doughnut keeps hollow shape after abundant drawing-off.
Specifically, air-cooled process is：Polyether-ether-ketone doughnut melt material strip after boundling introduces wind by godet 7
Cooling system, air cooling system include the cooling bath 81 that upper surface uses high temperature resistant heat insulation material covering, are arranged in 81 side of cooling bath
Air cooler 82 and the ventilated net 83 in 81 other side of cooling bath is set, the wind direction of Air cooler is the direction along drawing of fiber, wind
Cold temperature is at 10-50 DEG C, and wind speed is in 0-5m/min.
Specifically, the process of liquid cooling is：Polyether-ether-ketone doughnut melt material strip after boundling introduces liquid by godet 7
Cooling system, liquid cooling system include upper surface using the cooling bath 81 of high temperature resistant heat insulation material covering and are arranged in 81 outer wall of cooling bath
Cooling device 84 (cooling tube may be used in cooling device 84), coolant liquid 85 is placed in cooling bath 81, passes through cooling device
84 coolings；Coolant liquid 85 can be higher boiling class finish, such as high boiling aromatic hydrocarbon solvent oil, 12 high boiling point solvent oil of carbon, diformazan
Base silicone oil, high temperature resistant silicone oil, mineral oil, high temperature heat conductive oil, polymethylphenyl siloxane fluid etc..
Wherein, the high temperature resistant heat insulation material of cooling system upper surface covering can prevent cooling system by hollow spinneret plate
The heat of 5 radiation influences cooling effect with the heat that spinning head melt fiber is transmitted.
In present embodiment, for convenience of adjusting, cooling system can be arranged on crane 10, facilitate adjusting height.
Step 3: carrying out heat-traction to polyether-ether-ketone doughnut spun filament：Polyether-ether-ketone doughnut spun filament is first
From precursor roller 11 through 12 boundling of the second beaming device, it then is pulled into the first heating slit preheating 14 through seal wire hot-rolling 13, is led
The temperature of silk hot-rolling 13 is 100-150 DEG C, and the temperature of the first heating slit 14 is 150-180 DEG C, then through the first drawing-off hot-rolling
15 are pulled into the second heating slit 16, and the temperature of the first drawing-off hot-rolling 15 is 100-210 DEG C, the temperature of the second heating slit 16
It is 180-280 DEG C, then successively through the traction of the second drawing-off hot-rolling 17, the sizing traction of hot-rolling 18 to the second winding device 19, obtains
The temperature of polyether-ether-ketone doughnut, the second drawing-off hot-rolling 17 is 100-210 DEG C, and sizing 18 temperature of hot-rolling is 150-230 DEG C, fixed
Type ratio is (0.90-1.10):1, entire hot gas spring multiplying power is 1.5-5.5.
In step 3, seal wire hot-rolling 13 preheats fiber, for ease of boundling, preferably inner concave shape,；It is heated using slit
It is to keep drawing-off better in order to which fiber is more fully heated；It is pre-crystallized that first heating slit 14 makes spun filament carry out, and obtains
Some strength keeps the shape of doughnut on the first drawing-off hot-rolling 15；Functioning as second heating slit 16 is main
Drawing-off section keeps first break draft process fiber molecule chain height-oriented.The length that first heating slit 14 and second heats slit 16 can
Regulation and control as needed.First drawing-off hot-rolling 15, the second drawing-off hot-rolling 17 and sizing hot-rolling 18 are made of up and down two hot-rollings, under
Square hot-rolling can left-right rotation, can make device carry sub-wire function, prevent fibre matting in drawing-off and type-approval process or skid off.The
The temperature of one drawing-off hot-rolling 15, the second drawing-off hot-rolling 17 and hot-rolling 18 of shaping is controlled by incubator 20, is installed in incubator 20
There is air-heater, blowing temperature is identical as the temperature of corresponding hot-rolling, and wind speed continues to dry in case body-internal-circulation in 0-3m/min.The
It is also provided with heating coil inside one drawing-off hot-rolling 15 and the second drawing-off hot-rolling 17.It is controlled by incubator 20 and heating coil
Temperature can prevent scattering and disappearing in draw orientation type-approval process heat, it is ensured that case body temperature is more acurrate, evenly, and fiber takes
To with crystallize it is more perfect.The rotating speed company of seal wire hot-rolling 13, the first drawing-off hot-rolling 15, the second drawing-off hot-rolling 17 and hot-rolling 18 of shaping
Continuous adjustable, it is 30-300m/min that precursor roller 11, which controls precursor output speed, and the output speed of seal wire hot-rolling 13 is 30-300m/
The draft speed of min, the first drawing-off hot-rolling 15 are 30-500m/min, and the draft speed of the second drawing-off hot-rolling 17 is 30-800m/
The draft speed of min, sizing hot-rolling 18 are 30-800m/min, and wherein draft ratio is winding speed and precursor output speed
Ratio, laxation shaping ratio are the ratio of sizing hot-rolling 18 and the second drawing-off hot-rolling 17.131 speed of precursor output speed=seal wire hot-rolling
Spend 15 speed of the≤the first drawing-off hot-rolling<Second 17 speed of drawing-off hot-rolling >=4 speed of sizing hot-rolling, and all speed continuously may be used
It adjusts.Hot-rolling 18 of shaping can be multigroup, in order to ensure to keep crystallization more perfect while the degree of orientation.Second winding device
The speed of 19 take-up roll is related to metering pump feeding speed and the fiber linear density produced, winding speed 5-500m/
min.In present embodiment, the second beaming device 11, seal wire hot-rolling 13, the first drawing-off hot-rolling 15 and the second drawing-off of fiber contacts
The equal spraying plating ceramics in 17 surface of hot-rolling, can reduce friction, drop low-fiber damage.
In present embodiment, by the specification of hollow spinneret plate 5, the winding roller speed and heat of the second winding device 19 are led
Stretch multiplying power regulate and control doughnut hollow rate (define hollow rate be on doughnut cross section the area of hollow portion cyclotomy with it is outer
The area ratio of portion's circle, i.e. SD1：SD2), generally hollow rate is in 10-85%.
It further illustrates the present invention with reference to embodiments, the technological process and equipment such as specific embodiment party that embodiment uses
Shown in formula.
Embodiment 1
Step 1: by special-purpose material for spinning-stage polyetheretherketoneresin resin (99wt%PEEK pure resins and 1wt% high-temperature lubricants)
It is dried, drying temperature is 160 DEG C, time 5h, is added in the extruder 1 that screw pressure is 10MPa, is melted after dry
Body, melt are delivered to through melt pipeline 2 in metering pump babinet 3, metering pump 31 (gear wheel metering pump, work in metering pump babinet 3
500 DEG C are can reach as temperature, nominal output quantity is 0.6cc/r) be output to melt with 14r/min output rotating speeds at 10MPa
Filament spinning component 4, from heating temperature before extruder 1 charge door to metering pump 31 be respectively 280 DEG C, 340 DEG C, 380 DEG C, 390 DEG C,
393 DEG C, the pressure of filament spinning component is 13-15MPa, and temperature is 403 DEG C, and melt first passes through the filtering of filter system in filament spinning component 4
(the multilayer stainless (steel) wire and 20-200 mesh quartz sand particle of 60-500 mesh) afterwards, then through 5 spinneret of hollow spinneret plate, obtains polyethers
Ether ketone doughnut melt material strip；
Wherein, 5 temperature of hollow spinneret plate is 412 DEG C, and specification is 8 holes, D1 0.8mm, D2 0.5mm, d1 0.15mm；
Step 2: the polyether-ether-ketone doughnut melt material strip that step 1 is obtained after 6 boundling of the first beaming device, passes through
Godet 7 is oriented to, then the liquid cooling system cooling and shaping at 5 lower section 15cm of hollow spinneret plate is led into the first winding device
9, hauling speed 10-500m/min, winding speed 15m/min obtain non-stretched polyether-ether-ketone doughnut spun filament；
Step 3: carrying out heat-traction to polyether-ether-ketone doughnut spun filament：Polyether-ether-ketone doughnut spun filament is first
From precursor roller 11 through 12 boundling of the second beaming device, it then is pulled into the first heating slit preheating 14 through seal wire hot-rolling 13, is led
Silk hot-rolling 13 temperature be 120 DEG C, first heating slit 14 temperature be 170 DEG C, then through the first drawing-off hot-rolling 15 draw into
Enter the second heating slit 16, the temperature of the first drawing-off hot-rolling 15 is 175 DEG C, and the temperature of the second heating slit 16 is 210 DEG C, then
Polyether-ether-ketone doughnut is obtained to the second winding device 19 through the traction of the second drawing-off hot-rolling 17, the sizing traction of hot-rolling 18 successively,
The temperature of second drawing-off hot-rolling 17 is 180 DEG C, and sizing 18 temperature of hot-rolling is 180 DEG C, and sizing is than being (0.90-1.10):1, entirely
Hot gas spring multiplying power is 1.5, and laxation shaping ratio is 1.05：1, obtain polyether-ether-ketone doughnut.
After testing, a diameter of 0.257mm of polyether-ether-ketone doughnut, hollow rate 63.43% is made, line density is
330.7dtex, fibre strength 2.75cN/dtex.The picture of its scanning electron microscope, can be with from figure as shown in Figure 10-b
Find out, doughnut prepared by preparation method of the invention has the consistency of the homogeneity and outer diameter of good degree of hollowness.
Embodiment 2
The output rotating speed of metering pump 31 is 18r/min, and the specification of hollow spinneret plate 5 is 12 holes, and D1 0.8mm, D2 are
The pressure of 0.5mm, d1 0.15mm, filament spinning component 4 are 16-19MPa, use liquid cooling system, the winding speed of the first winding device 9
Degree is 10m/min, and the temperature of seal wire hot-rolling 13 is 130 DEG C, and the temperature of the first heating slit 14 is 180 DEG C, the first drawing-off hot-rolling
15 temperature is 180 DEG C, and the temperature of the second heating slit 16 is 230 DEG C, and the temperature of the second drawing-off hot-rolling 17 is 180 DEG C, sizing
The temperature of hot-rolling 18 is 180 DEG C, stretching ratio 3.2, and laxation shaping ratio is 0.95：1, other conditions are same as Example 1.
After testing, a diameter of 0.188mm of polyether-ether-ketone doughnut, hollow rate 52.34% is made, line density is
203.64dtex, fibre strength 4.12cN/dtex, the picture of scanning electron microscope is as shown in Figure 10-c.
Embodiment 3
The output rotating speed of metering pump 31 is 14r/min, and the specification of hollow spinneret plate 5 is 12 holes, and D1 0.8mm, D2 are
The pressure of 0.5mm, d1 0.15mm, filament spinning component 4 are 11-13MPa, and using air cooling system, blowing temperature is 25 DEG C, the first volume
The winding speed of winding apparatus 9 is 85m/min, and the temperature of seal wire hot-rolling 13 is 130 DEG C, and the temperature of the first heating slit 14 is 175
DEG C, the temperature of the first drawing-off hot-rolling 15 is 185 DEG C, and the temperature of the second heating slit 16 is 225 DEG C, the temperature of the second drawing-off hot-rolling 17
Degree is 170 DEG C, and the temperature of sizing hot-rolling 18 is 170 DEG C, and stretching ratio 2.3, laxation shaping ratio is 1.07：1, other conditions are equal
It is same as Example 1.
After testing, a diameter of 0.139mm of polyether-ether-ketone doughnut, hollow rate 41.83% is made, line density is
198.97dtex fibre strength 4.45cN/dtex.
Embodiment 4
The output rotating speed of metering pump 31 is 14r/min, and the specification of hollow spinneret plate 5 is single hole, and D1 3.5mm, D2 are
The pressure of 2.5mm, d1 0.5mm, filament spinning component 4 are 6-9MPa, use liquid cooling system, the winding speed of the first winding device 9
Temperature for 35m/min, seal wire hot-rolling 13 is 130 DEG C, and the temperature of the first heating slit 14 is 180 DEG C, the first drawing-off hot-rolling 15
Temperature be 180 DEG C, the temperature of the second heating slit 16 is 220 DEG C, and the temperature of the second drawing-off hot-rolling 17 is 170 DEG C, sizing heat
The temperature of roller 18 is 170 DEG C, stretching ratio 1.8, and laxation shaping ratio is 1.10：1, other conditions are same as Example 1.
After testing, a diameter of 0.731mm of polyether-ether-ketone doughnut obtained, hollow rate 74.98%, line density are
1277.3dtex, fibre strength 2.32cN/dtex, the picture of scanning electron microscope is as shown in Figure 10-a.
Embodiment 5
The output rotating speed of metering pump 31 is 14r/min, and the specification of hollow spinneret plate 5 is single hole, and D1 3.5mm, D2 are
2.5mm, d1 0.5mm, the pressure of filament spinning component 4 are 4-7MPa, and using air cooling system, blowing temperature is 25 DEG C, the first volume around
The winding speed of device 9 is 65m/min, and the temperature of seal wire hot-rolling 13 is 130 DEG C, and the temperature of the first heating slit 14 is 170 DEG C,
The temperature of first drawing-off hot-rolling 15 is 175 DEG C, and the temperature of the second heating slit 16 is 200 DEG C, the temperature of the second drawing-off hot-rolling 17
It it is 160 DEG C, the temperature of sizing hot-rolling 18 is 160 DEG C, and stretching ratio 3.1, laxation shaping ratio is 0.09：1, other conditions with
Embodiment 1 is identical.
After testing, a diameter of 0.528mm of polyether-ether-ketone doughnut obtained, hollow rate 67.26%, line density are
869.3dtex, fibre strength 3.09cN/dtex.
Embodiment 6
The output rotating speed of metering pump 31 is 14r/min, and the specification of hollow spinneret plate 5 is single hole, and D1 3.5mm, D2 are
2.5mm, d1 0.5mm, the pressure of filament spinning component 4 are 5-9MPa, and using air cooling system, blowing temperature is 25 DEG C, the first volume around
The winding speed of device 9 is 25m/min, and the temperature of seal wire hot-rolling 13 is 120 DEG C, and the temperature of the first heating slit 14 is 170 DEG C,
The temperature of first drawing-off hot-rolling 15 is 185 DEG C, and the temperature of the second heating slit 16 is 230 DEG C, the temperature of the second drawing-off hot-rolling 17
It it is 160 DEG C, the temperature of sizing hot-rolling 18 is 160 DEG C, and stretching ratio 3.8, laxation shaping ratio is 1.05：1, other conditions with
Embodiment 1 is identical.
After testing, a diameter of 0.419mm of polyether-ether-ketone doughnut obtained, hollow rate 61.28%, line density are
734.8dtex, fibre strength 3.89cN/dtex.
Embodiment 7
The output rotating speed of metering pump 31 is 14r/min, and the specification of hollow spinneret plate 5 is 6 holes, and D1 1.2mm, D2 are
0.5mm, d1 0.2mm, the pressure of filament spinning component 4 are 9-13MPa, and using air cooling system, blowing temperature is 25 DEG C, the first volume around
The winding speed of device 9 is 15m/min, and the temperature of seal wire hot-rolling 13 is 120 DEG C, and the temperature of the first heating slit 14 is 200 DEG C,
The temperature of first drawing-off hot-rolling 15 is 250 DEG C, and the temperature of the second heating slit 16 is 250 DEG C, the temperature of the second drawing-off hot-rolling 17
It it is 180 DEG C, the temperature of sizing hot-rolling 18 is 180 DEG C, and stretching ratio 2.8, laxation shaping ratio is 1.08：1, other conditions with
Embodiment 1 is identical.
After testing, a diameter of 0.304mm of polyether-ether-ketone doughnut obtained, hollow rate 30.27%, line density are
473.2dtex, fibre strength 3.36cN/dtex, the picture of scanning electron microscope is as shown in Figure 10-d.
Embodiment 8
The output rotating speed of metering pump 31 is 14r/min, and the specification of hollow spinneret plate 5 is 6 holes, and D1 1.2mm, D2 are
0.5mm, d1 0.2mm, the pressure of filament spinning component 4 are 9-13MPa, and using air cooling system, blowing temperature is 25 DEG C, the first volume around
The winding speed of device 9 is 10m/min, and the temperature of seal wire hot-rolling 13 is 120 DEG C, and the temperature of the first heating slit 14 is 200 DEG C,
The temperature of first drawing-off hot-rolling 15 is 250 DEG C, and the temperature of the second heating slit 16 is 250 DEG C, the temperature of the second drawing-off hot-rolling 17
It it is 180 DEG C, the temperature of sizing hot-rolling 18 is 180 DEG C, and stretching ratio 5.5, laxation shaping ratio is 0.98：1, other conditions with
Embodiment 1 is identical.
After testing, a diameter of 0.176mm of polyether-ether-ketone doughnut obtained, hollow rate 26.60%, line density are
343.2dtex, fibre strength 4.49cN/dtex.
Claims (10)
1. a kind of preparation method of polyether-ether-ketone doughnut, which is characterized in that steps are as follows：
It is melted Step 1: being added in extruder after special-purpose material for spinning-stage polyetheretherketoneresin resin is dried, obtained melt is through melt
In Pipeline transport to metering pump babinet, accurately metering is output to spinning to the metering pump in metering pump babinet under constant pressure condition
The melt amount of component, and melt is sent to filament spinning component, melt first passes through the filtering of filter system, then passes through in filament spinning component
Hollow spinneret plate spinneret obtains polyether-ether-ketone doughnut melt material strip；
The hollow spinneret plate includes pedestal, boss, spinneret unit and heating system, and pedestal is disc-shaped structure, the top of pedestal
Face edge is equipped with step in circular ring shape；Boss is disc-shaped structure, and diameter is less than the diameter of pedestal, is fixed on the lower surface of pedestal
It is upper and coaxial with pedestal；Spinneret unit can be one or more, and each spinneret unit is by spinneret orifice, plug and duct wall group
At spinneret orifice runs through pedestal and boss, and hole axle is parallel to the central shaft of pedestal, direction of the spinneret orifice internal diameter from pedestal to boss
On be gradually reduced, be divided into import, channel and extrusion cavities；Plug is cylinder, and pillar height is equal with extrusion cavities hole height, both ends pair
Neat setting is in extrusion cavities and coaxial with extrusion cavities, and the first venthole is equipped with along extrusion cavities axial direction in plug, and first is logical
The bottom end opening of stomata is aligned with the bottom end opening of extrusion cavities, and the hole that hole height is less than extrusion cavities is high；Duct wall is arranged in extrusion cavities
Non-extruded end, be radially arranged along extrusion cavities, be fixedly connected with plug, second be radially arranged along extrusion cavities is equipped in duct wall
Venthole, second venthole one end are connected to the first venthole, and the other end runs through outer wall of boss and atmosphere；Heating system set
On the outer wall of boss；The temperature of hollow spinneret plate is 5-25 DEG C higher than the temperature of filament spinning component；
Step 2: the polyether-ether-ketone doughnut melt material strip that step 1 is obtained is after the first beaming device boundling, through seal wire
Then roller guide is led into cooling system cooling and shaping into the first winding device, hauling speed 30-800m/min, winding speed
Degree is 5-500m/min, obtains polyether-ether-ketone doughnut spun filament；
Step 3: by polyether-ether-ketone doughnut spun filament first from precursor roller through the second beaming device boundling, then through seal wire heat
Roller is pulled into the preheating of the first heating slit, is then pulled into the second heating slit through the first drawing-off hot-rolling, then passes through successively
The traction of second drawing-off hot-rolling, sizing hot-rolling are drawn to the second winding device, obtain polyether-ether-ketone doughnut；
The temperature of the seal wire hot-rolling is 100-150 DEG C, and the temperature of the first heating slit is 150-180 DEG C, the first drawing-off hot-rolling
Temperature be 100-210 DEG C, the temperature of the second heating slit is 180-280 DEG C, and the temperature of the second drawing-off hot-rolling is 100-210
DEG C, sizing heat roller temperature is 150-230 DEG C, and sizing is than being (0.90-1.10):1, the entire hot gas spring multiplying power of step 3 is 1.5-
5.5。
2. a kind of preparation method of polyether-ether-ketone doughnut according to claim 1, which is characterized in that the step 1
In, drying temperature is 100-160 DEG C, time 2-12h.
3. a kind of preparation method of polyether-ether-ketone doughnut according to claim 1, which is characterized in that the step 1
In, the temperature of extruder is 280-430 DEG C, the temperature of melt pipeline be maintained at special-purpose material for spinning-stage polyetheretherketoneresin resin fusing point it
Upper 40-100 DEG C, the temperature of metering pump babinet is 10-20 DEG C higher than the temperature of melt pipeline.
4. a kind of preparation method of polyether-ether-ketone doughnut according to claim 1, which is characterized in that the step 1
In, the internal diameter of import is gradually reduced, maximum gauge A1, minimum diameter A2；It is constant that the diameter in channel first remains A2, then
It is gradually decrease to D1, the diameter of extrusion cavities keeps D1 constant.
5. a kind of preparation method of polyether-ether-ketone doughnut according to claim 1, which is characterized in that the step 1
In, the duct wall is h1=(0.4-0.7) H1, extrusion cavities in the relationship of the height h1 and the high H1 in extrusion cavities hole of extrusion cavities axial direction
The relationship that Kong Gaoyu squeezes out bore dia D1 is H1=(1.5-2.5) D1, and duct wall is 0.1- in the length d1 of extrusion cavities radial direction
1.0mm, it is 0.5-4.5mm to squeeze out bore dia D1, and the diameter D2 of plug is 0.2-3.0mm, and the first venthole aperture r1 is 0.1-
The aperture r2 of 2.3mm, the second venthole (331) are 0.08-0.8mm.
6. a kind of preparation method of polyether-ether-ketone doughnut according to claim 1, which is characterized in that the step 1
In, the number of spinneret unit is 1-20.
7. a kind of preparation method of polyether-ether-ketone doughnut according to claim 1, which is characterized in that the step 2
In, the process into cooling system cooling and shaping is：
Polyether-ether-ketone doughnut melt material strip after boundling introduces air cooling system by godet, and air cooling system includes upper surface
The cooling bath covered using high temperature resistant heat insulation material is arranged another in cooling bath in the Air cooler (82) of cooling bath side and setting
The ventilated net of side, the wind direction of Air cooler are the directions along drawing of fiber, and wind chill temperatures are at 10-50 DEG C, and wind speed is in 0-5m/min；
Alternatively, the polyether-ether-ketone doughnut melt material strip after boundling introduces liquid cooling system by godet, liquid cooling system includes
The cooling bath and the cooling device in cooling bath outer wall is arranged that upper surface is covered using high temperature resistant heat insulation material, coolant liquid is placed on
In cooling bath, cooled down by cooling device.
8. a kind of preparation method of polyether-ether-ketone doughnut according to claim 7, which is characterized in that the coolant liquid
For high boiling aromatic hydrocarbon solvent oil, dimethicone, high temperature resistant silicone oil, mineral oil, 12 high boiling point solvent oil of carbon, high temperature heat conductive oil
Or polymethylphenyl siloxane fluid.
9. a kind of preparation method of polyether-ether-ketone doughnut according to claim 1, which is characterized in that the step 3
In, the temperature of the first drawing-off hot-rolling, the second drawing-off hot-rolling and hot-rolling of shaping is controlled by incubator, and hot wind is equipped in incubator
Machine, blowing temperature is identical as the temperature of corresponding hot-rolling, and wind speed continues to dry in case body-internal-circulation in 0-3m/min.
10. a kind of preparation method of polyether-ether-ketone doughnut according to claim 1, which is characterized in that precursor roller control
Precursor output speed processed is 30-300m/min, and the output speed of seal wire hot-rolling is 30-300m/min, and the first drawing-off hot-rolling is led
It is 30-500m/min to stretch speed, and the draft speed of the second drawing-off hot-rolling is 30-800m/min, and the draft speed for hot-rolling of shaping is
The speed of 30-800m/min, the take-up roll of the second winding device are 5-500m/min.
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| CN109468688B (en) * | 2018-11-22 | 2021-06-08 | 绍兴美标纺织品检验有限公司 | Method for spinning cellulose fibres |
| CN113774497B (en) * | 2021-09-13 | 2023-03-24 | 广州傲群刷业科技有限公司 | PEEK material wire drawing process and application thereof in electronic cigarette cleaning hairbrush |
| CN114134578B (en) * | 2021-12-01 | 2023-04-14 | 福建省金纶高纤股份有限公司 | PTT skin core composite fiber's preparation facilities |
| CN114438610B (en) * | 2021-12-31 | 2023-05-26 | 浙江脉通智造科技(集团)有限公司 | Spinneret assembly, multi-cavity hollow fiber tube, preparation method of multi-cavity hollow fiber tube and medical instrument |
| CN114293275B (en) * | 2022-01-07 | 2023-04-18 | 广东永锐实业有限公司 | PP sweeping brush wire and preparation method thereof |
| CN114534513B (en) * | 2022-03-23 | 2023-03-17 | 烟台大学 | Polyether-ether-ketone hollow fiber porous membrane and preparation method thereof |
| CN114534526B (en) * | 2022-03-23 | 2023-03-28 | 烟台大学 | Polyether-ether-ketone hollow fiber membrane with asymmetric structure |
| CN114808158B (en) * | 2022-04-07 | 2023-06-09 | 桐昆集团浙江恒盛化纤有限公司 | Method and equipment for producing high-uniformity fiber |
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| US4747988A (en) * | 1985-05-10 | 1988-05-31 | Hoechst Celanese Corporation | Process of making an aromatic polyetherketone fiber product |
| GB9801560D0 (en) * | 1998-01-27 | 1998-03-25 | Zyex Limited | Lightweight abrasion resistant braiding |
| CN101225555B (en) * | 2008-02-01 | 2010-05-12 | 吉林大学 | Melt-spinning hot-stretch forming preparation method of polyetheretherketone fibre |
| CN101387017B (en) * | 2008-10-31 | 2010-12-29 | 吉林大学 | Method for preparing modified polyetheretherketone fiber |
| CN101718006B (en) * | 2009-11-26 | 2011-06-08 | 陈逊 | Method for manufacturing polyether-ether-ketone single fibers |
| CN202099429U (en) * | 2011-05-30 | 2012-01-04 | 常州市美纤膜技术有限公司 | Hollow fiber membrane single-end spinneret plate |
| CN102851781A (en) * | 2012-09-29 | 2013-01-02 | 马海燕 | Large-diameter polyether-ether-ketone monofilament and production method thereof |
| CN104313711B (en) * | 2014-09-26 | 2018-04-27 | 常州创赢新材料科技有限公司 | The production method of one-step method high temperature and pressure apparatus for melt spinning and polymer fiber |
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