CN105696102A - Method for preparing polyphenylene sulfide short fibers by direct melt extrusion of polyphenylene sulfide powder - Google Patents
Method for preparing polyphenylene sulfide short fibers by direct melt extrusion of polyphenylene sulfide powder Download PDFInfo
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- CN105696102A CN105696102A CN201610094939.8A CN201610094939A CN105696102A CN 105696102 A CN105696102 A CN 105696102A CN 201610094939 A CN201610094939 A CN 201610094939A CN 105696102 A CN105696102 A CN 105696102A
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- 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
- D01F6/76—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from other polycondensation products
- D01F6/765—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from other polycondensation products from polyarylene sulfides
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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
- 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
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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
- 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
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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
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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
- D01D7/00—Collecting the newly-spun products
Abstract
The invention relates to a method for preparing polyphenylene sulfide short fibers by direct melt extrusion of polyphenylene sulfide powder, and belongs to the technical field of special fiber preparation. The method includes: feeding the polyphenylene sulfide powder into a twin-screw extruder for melt extrusion into a homogenization kettle, removing solvent and low-molecular-weight volatile matters in polyphenylene sulfide melt by suction via the homogenization kettle, pumping the melt into a filter via a melt pump, metering the melt via a metering pump after purification and filtration prior to feeding into a spinning box for spinning, and sequentially subjecting strands sprayed out from spinneret orifices to cooling, oiling with an oiling roller and doffing with a coiling doffer to obtain nascent fibers; bundling the nascent fibers into tows via a creel, leading the tows into the space between a first drawing machine and a second drawing machine via a godet machine for first drawing, subjecting the tows to second drawing between the second drawing machine and a third drawing machine, and subjecting the tows getting out of the third drawing machine to setting, preheating with a steam tank, curling with a curling machine and setting with a relaxation setting machine prior to cutting off and then packing to obtain finished products. Process links are reduced, energy consumption and cost are lowered, preparation efficiency is increased, and stability and consistency of the finished products are guaranteed.
Description
Technical field
The invention belongs to special fibre preparing technical field, be specifically related to a kind of method directly being melt extruded by polyphenylene sulfide powder and preparing the short fibre of polyphenylene sulfide。
Background technology
The English full name of aforesaid polyphenylene sulfide is: PolyphenyleneSulfide(is called for short PPS)。The short fibre of aforesaid polyphenylene sulfide is polyphony thioether short fiber or chopped strand (as follows)。First polyphenylene sulfide fibre is succeeded in developing by U.S.'s Philips (Philip) oil company, and the said firm achieved the industrialized production of PPS resin, the PPS resin developing fibre-grade in 1979, the chopped fiber industrialization of nineteen eighty-three PPS in 1973。Owing to polyphenylene sulfide fibre has an excellent serviceability, Japan of Japan is spun, beautiful, the Supreme Being people in east and Bayer A.G also in succession develop and produce polyphenylene sulfide fibre。
Polyphenylene sulfide can be made into long filament and chopped fiber; owing to it has good textile process performance and excellent chemical resistance, heat stability, heat-resisting quantity and fire-retardant; thus be widely used in environmental conservation, flue and the field such as chemical industry high temperature filtration and Aero-Space, the dry zone in corrosion-resistant filter cloth in steam power plant's coal-burning boiler, waste incineration, cement plant high-temperature flue filter bag, chemical industry, paper industry and electrical industry, Nomex；Special cable cladding；Flame-retardant textile in aerospace industry etc.。
The production of the short fibre of conventional polyphenylene sulfide all adopts known two step method, namely PPS powder forms PPS pellet through pelletize, melt extrude by screw extruder then through after dry dewatering, then enter spinning manifold melt spinning, on-line velocity is winding falling-barrel under 500-1200m/min spinning speed, then again by the tow boundling of some barrels, successively through drawing-off, curling, sizing, cut-out and packing。
Technological process from above-mentioned two step method, owing to needs by PPS granulation for powders and dry dewater, thus not only process procedure is many, energy consumption is big, efficiency is low, the stability of short fibre (homogeneity of quality) is poor, and preparation cost is high, for instance drying equipment requires that story height even needs to employ nitrogen as dry medium。
Disclosed Chinese patent literature can be seen in the technical information of the preparation method of the short fibre of polyphenylene sulfide, as publication number CN101187070A recommends there be " polyphenylene sulfide short fibre one-step method complete equipment and production method ", this patent application scheme teaches: in order to avoid the section of line style diphenyl sulfide melt extrudes generation putty in process at screw rod, causes pressure oscillation, oxidative degradation and crosslinking etc., namely adopt vacuum drum or pre-crystallized drying equipment to be dried (Instructions Page 3 the 2nd section) linear polyphenylthioether section before screw rod melt extrudes before melt spinning。This patent application scheme is owing to eliminating bucket and collecting compacting stage, thus production procedure is to some extent briefly its strong point, but owing to this patent application scheme belongs to one-step method (from spinning to drawing-off) category, thus it being only capable of being suitable for small lot batch manufacture, production capacity is restricted。
CN103409835B is provided with " production method of fine-denier polyphony thioether short fiber ", and the first step at processing step teaches: slices synthesis method, pre-crystallized, drying tower dries, screw extruder melts, melt prefilter, dosing pump, filament spinning component, ring quenching, winding boundling, fine-denier polyphony thioether short fiber raw silk doffing。This patented method is directed to the fiber of 0.9-1.3dtex fiber number；Also there is " production method of a kind of short fibre of high-strength and high-modulus polyphenylene sulfide " as CN104894678A introduces, its processing step is followed successively by: the mixing of polyphenylene sulfide resin lipoprotein mixture, double screw extruder extrusion, dry, spinning, boundling, stretching, curling, thermal finalization, cut-out and packing, improves the fracture strength (4.9-5.2cN/dtex) of fiber, modulus of shearing (3-4.5cN/dtex) is the achievement place of this patent。
Reading by the description to above-mentioned CN103409835B and CN104894678A, both process line are essentially identical, mainly by the purpose changing process conditions such as temperature, time, pressure, raw material etc. and reach to obtain extraordinary polyphenylene sulfide fibre, but all do not provide and be simplified operation, reduce energy consumption, save equipment dosage and cost of investment, improve the enlightenment of spinnability etc.。
As is known in the industry, polyphenylene sulfide powder is the precursor of polyphenylene sulfide particle (section), people follow traditional handicraft all the time and are first prepared into particle, again particle is dried, the preparation cost of short for polyphenylene sulfide fibre then melt extruded by screw extruder, therefore, it is difficult to even cannot be reduced to the expection of industry。But the repetition test made through the applicant shows: as long as process route being made rational modification and relevant device rationally being increased and decreased, the first pelletize that can break away from traditional mode so completely dries again, and technical scheme described below produces under this background。
Summary of the invention
The task of the present invention is in that providing a kind of carried out pelletize without poly-p-phenylene sulfide ether powder before screw rod melt extrudes and dry and use minimizing process procedure, energy efficient, raising production efficiency, reduce production cost and ensured that the conforming of fiber quality is directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder。
The task of the present invention is performed by, and a kind of is directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder, comprises the following steps that:
A) fore-spinning: polyphenylene sulfide powder is introduced in double screw extruder and melt extrudes to the homogenizing still being furnished with agitator, the solvent in the polyphenylene sulfide melt entered in homogenizing still and low molecular weight volatile thing is extracted by homogenizing still, and make polyphenylene sulfide melt homogenizing mix, then filter is sent into by the Melt Pump being connected with homogenizing still, measure and introduce manifold spinning through dosing pump after being filtered by filter remove impurity, the strand sprayed by the spinneret orifice on the spinneret of manifold is successively through ring cold wind blower ring quenching, oiling roller oils and winding falling-barrel machine falls bucket, obtain as-spun fibre；
B) spinning process afterwards: by by step A) as-spun fibre that obtains assembles tow through creel, imported by guiding machine again and between the first drafting machine and the second drafting machine, carry out first time drawing-off, tow is heated by the immersion cell being arranged between the first drafting machine and the second drafting machine by tow in going out the process that the first drafting machine is advanced to the second drafting machine, after going out the second drafting machine, tow carries out second time drawing-off between the second drafting machine and the 3rd drafting machine, and tow is heated by the first steam box being located between the second drafting machine and the 3rd drafting machine in going out the process that the second drafting machine is advanced to the 3rd drafting machine, tow is shaped through tensioning heat setting machine after going out the 3rd drafting machine successively, second steam box preheating, crimping machine is curling shapes with laxation shaping machine, enter cutting machine after going out laxation shaping machine to cut off, then it is delivered to baling press packing, obtain the short fibre of polyphenylene sulfide。
In a specific embodiment of the present invention, step A) described in the linear polyphenylene sulfide powder of polyphenylene sulfide powder to be melt index be 110-200g/10min。
In another specific embodiment of the present invention, step A) described in the temperature that melt extrudes of double screw extruder control be: 206 DEG C of a district, two 249 DEG C of districts, three 273 DEG C of districts, four 276 DEG C of districts, five 283 DEG C of districts, six 288 DEG C of districts, seven 293 DEG C of districts, eight 296 DEG C of districts, nine 303 DEG C of districts, ten 308 DEG C of districts, head temperature 300 DEG C。
In another specific embodiment of the present invention, step A) described in the temperature of manifold spinning be 306-325 DEG C；Described spinneret is circular jetting filament plate, and the diameter of this circular jetting filament plate is 180, and the diameter of spinneret orifice is 0.25-0.45；Described winding falling-barrel machine linear velocity of described strand when winding is 800-1000m/min；The described oiling roller upper profit rate when described strand is oiled is 20-30%。
In another specific embodiment of the present invention, draw ratio L: D of described spinneret orifice is 3: 1。
In an also specific embodiment of the present invention, step B) described in the drawing temperature of first time drawing-off be the temperature that described tow is heated by described immersion cell, and the temperature that tow is heated by this immersion cell is 85-95 DEG C, the drafting multiple of described first time drawing-off is 3.2-3.3 times；The drawing temperature of described second time drawing-off is the temperature of described first steam box heating, and the temperature of this first steam box heating is 105-120 DEG C, and the drafting multiple of described second time drawing-off is 1.05-1.15 times；Described tow gait of march in the draw roll of described 3rd drafting machine is 150-180m/min。
At more and in a specific embodiment of the present invention, step B) described in the temperature of the second steam box preheating be 105-110 DEG C。
The present invention's and then in a specific embodiment, step B) described in the temperature of tensioning heat setting machine sizing be 150-200 DEG C；The temperature of described laxation shaping machine sizing is 145-150 DEG C。
In the present invention again more and in a specific embodiment, step B) described in cut off be that tow is cut to length is 38mm, 51mm, 76mm or 102mm。
In again and then in a specific embodiment of the present invention, step B) described in the fiber number of the short fibre of polyphenylene sulfide be 1.2-6.6dtex, fracture strength is 4.0-4.8cN/dtex, elongation at break is 31.8-33.3%, crispation number is 9-10/25,180 DEG C of dry-hot shrinkages are 3.8-4.3%, and oil content is 0.22-0.24%。
Polyphenylene sulfide powder is directly introduced the homogenizing still homogenizing mixing melt extruded in double screw extruder to setting up owing to having abandoned pelletize in prior art and drying process by technical scheme provided by the invention, deliver to then through Melt Pump and introduce manifold spinning through dosing pump after filter remove impurity, thus decreasing process procedure, reducing energy consumption and preparation cost and improve preparation efficiency and the stability of the short fine quality of the polyphenylene sulfide obtained and concordance can be made to be guaranteed。
Detailed description of the invention
Embodiment 1:
A) fore-spinning: the linear polyphenylene sulfide powder that melt index is 155g/10min is introduced double screw extruder and melt extrudes to the homogenizing still being furnished with agitator, vacuum at homogenizing still less than 10Pa and is extracted the solvent in the polyphenylene sulfide melt entered in homogenizing still and low molecular weight volatile thing under agitator is in stirring by homogenizing still, then sent into by the Melt Pump being connected with the discharging opening of homogenizing still and namely pump into filter, measure and introduce manifold spinning through dosing pump after being filtered by filter remove impurity (removing impurity), the temperature of spinning is 316 DEG C, the strand sprayed by the spinneret orifice on the spinneret of manifold is successively through ring blowing device ring quenching, oiling roller oils and winding falling-barrel machine falls bucket, obtain as-spun fibre, the temperature that double screw extruder described in this step melt extrudes controls: 206 DEG C of a district, two 249 DEG C of districts, three 273 DEG C of districts, four 276 DEG C of districts, five 283 DEG C of districts, six 288 DEG C of districts, seven 293 DEG C of districts, eight 296 DEG C of districts, nine 303 DEG C of districts, ten 308 DEG C of districts, head temperature 300 DEG C, spinneret is 180 for circle spinneret and diameter, the diameter of spinneret orifice is 0.3, draw ratio L: D of spinneret orifice is 3: 1, the linear velocity of the winding falling-barrel machine strand when winding is 900m/min, on the oiling roller strand when strand is oiled, profit rate is 25%；
B) spinning process afterwards: by by step A) as-spun fibre that obtains assembles tow through creel, imported by guiding machine again and between the first drafting machine and the second drafting machine, carry out first time drawing-off, tow is heated by the immersion cell being arranged between the first drafting machine and the second drafting machine by tow in the process that the first drafting machine is advanced to the second drafting machine, the temperature that tow is heated by this immersion cell is the temperature of first time drawing-off, and this temperature is 90 DEG C, the drafting multiple of first time drawing-off is 3.25 times, after tow row goes out the second drafting machine, second time drawing-off is carried out between the second drafting machine and the 3rd drafting machine, and tow go out the second drafting machine in the 3rd drafting machine traveling process by the first steam box heating being located between the second drafting machine and the 3rd drafting machine, the temperature of this first steam box heating is the drawing temperature of second time drawing-off, and the temperature of this first steam box heating is 110 DEG C, namely the drawing temperature of second time drawing-off is 110 DEG C, and the drafting multiple of second time drawing-off is 1.05 times, tow gait of march (linear velocity) in the draw roll of the 3rd drafting machine is 180m/min, tow is shaped through tensioning heat setting machine successively after going out the 3rd drafting machine, second steam box preheating, curling and the loose forming machine sizing of crimping machine, enter cutting machine after going out laxation shaping machine to cut off, then it is delivered to baling press packing, obtaining fiber number is 2.2dtex, fracture strength is 4.5CN/dtex, elongation at break is 33.3%, 180 DEG C of dry-hot shrinkages are 3.8% and the short fibre of polyphenylene sulfide that oil content is 0.22%, the temperature of the tensioning heat setting machine sizing described in this step is 175 DEG C, the temperature of the second steam box preheating is 105 DEG C, the crispation number that crimping machine is curling is 9-10/25, the temperature of laxation shaping machine sizing is 150 DEG C, the length that cutting machine cuts off is 51。
Embodiment 2:
A) fore-spinning: the linear polyphenylene sulfide powder that melt index is 110g/10min is introduced double screw extruder and melt extrudes to the homogenizing still being furnished with agitator, vacuum at homogenizing still less than 10Pa and is extracted the solvent in the polyphenylene sulfide melt entered in homogenizing still and low molecular weight volatile thing under agitator is in stirring by homogenizing still, then sent into by the Melt Pump being connected with the discharging opening of homogenizing still and namely pump into filter, measure and introduce manifold spinning through dosing pump after being filtered by filter remove impurity (removing impurity), the temperature of spinning is 325 DEG C, the strand sprayed by the spinneret orifice on the spinneret of manifold is successively through ring blowing device ring quenching, oiling roller oils and winding falling-barrel machine falls bucket, obtain as-spun fibre, the temperature that double screw extruder described in this step melt extrudes controls: 206 DEG C of a district, two 249 DEG C of districts, three 273 DEG C of districts, four 276 DEG C of districts, five 283 DEG C of districts, six 288 DEG C of districts, seven 293 DEG C of districts, eight 296 DEG C of districts, nine 303 DEG C of districts, ten 308 DEG C of districts, head temperature 300 DEG C, spinneret is 180 for circle spinneret and diameter, the diameter of spinneret orifice is 0.45, draw ratio L: D of spinneret orifice is 3: 1, the linear velocity of the winding falling-barrel machine strand when winding is 800m/min, on the oiling roller strand when strand is oiled, profit rate is 30%；
B) spinning process afterwards: by by step A) as-spun fibre that obtains assembles tow through creel, imported by guiding machine again and between the first drafting machine and the second drafting machine, carry out first time drawing-off, tow is heated by the immersion cell being arranged between the first drafting machine and the second drafting machine by tow in the process that the first drafting machine is advanced to the second drafting machine, the temperature that tow is heated by this immersion cell is the temperature of first time drawing-off, and this temperature is 95 DEG C, the drafting multiple of first time drawing-off is 3.3 times, after tow row goes out the second drafting machine, second time drawing-off is carried out between the second drafting machine and the 3rd drafting machine, and tow go out the second drafting machine in the 3rd drafting machine traveling process by the first steam box heating being located between the second drafting machine and the 3rd drafting machine, the temperature of this first steam box heating is the drawing temperature of second time drawing-off, and the temperature of this first steam box heating is 120 DEG C, namely the drawing temperature of second time drawing-off is 120 DEG C, and the drafting multiple of second time drawing-off is 1.15 times, tow gait of march (linear velocity) in the draw roll of the 3rd drafting machine is 150m/min, tow is shaped through tensioning heat setting machine successively after going out the 3rd drafting machine, second steam box preheating, curling and the loose forming machine sizing of crimping machine, enter cutting machine after going out laxation shaping machine to cut off, then it is delivered to baling press packing, obtaining fiber number is 6.6dtex, fracture strength is 4CN/dtex, elongation at break is 31.8%, 180 DEG C of dry-hot shrinkages are 4% and the short fibre of polyphenylene sulfide that oil content is 0.24%, the temperature of the tensioning heat setting machine sizing described in this step is 200 DEG C, the temperature of the second steam box preheating is 110 DEG C, the crispation number that crimping machine is curling is 9-10/25, the temperature of laxation shaping machine sizing is 145 DEG C, the length that cutting machine cuts off is 102。
Embodiment 3:
A) fore-spinning: the linear polyphenylene sulfide powder that melt index is 200g/10min is introduced double screw extruder and melt extrudes to the homogenizing still being furnished with agitator, vacuum at homogenizing still less than 10Pa and is extracted the solvent in the polyphenylene sulfide melt entered in homogenizing still and low molecular weight volatile thing under agitator is in stirring by homogenizing still, then sent into by the Melt Pump being connected with the discharging opening of homogenizing still and namely pump into filter, measure and introduce manifold spinning through dosing pump after being filtered by filter remove impurity (removing impurity), the temperature of spinning is 306 DEG C, the strand sprayed by the spinneret orifice on the spinneret of manifold is successively through ring blowing device ring quenching, oiling roller oils and winding falling-barrel machine falls bucket, obtain as-spun fibre, the temperature that double screw extruder described in this step melt extrudes controls: 206 DEG C of a district, two 249 DEG C of districts, three 273 DEG C of districts, four 276 DEG C of districts, five 283 DEG C of districts, six 288 DEG C of districts, seven 293 DEG C of districts, eight 296 DEG C of districts, nine 303 DEG C of districts, ten 308 DEG C of districts, head temperature 300 DEG C, spinneret is 180 for circle spinneret and diameter, the diameter of spinneret orifice is 0.25, draw ratio L: D of spinneret orifice is 3: 1, the linear velocity of the winding falling-barrel machine strand when winding is 1000m/min, on the oiling roller strand when strand is oiled, profit rate is 20%；
B) spinning process afterwards: by by step A) as-spun fibre that obtains assembles tow through creel, imported by guiding machine again and between the first drafting machine and the second drafting machine, carry out first time drawing-off, tow is heated by the immersion cell being arranged between the first drafting machine and the second drafting machine by tow in the process that the first drafting machine is advanced to the second drafting machine, the temperature that tow is heated by this immersion cell is the temperature of first time drawing-off, and this temperature is 85 DEG C, the drafting multiple of first time drawing-off is 3.2 times, after tow row goes out the second drafting machine, second time drawing-off is carried out between the second drafting machine and the 3rd drafting machine, and tow go out the second drafting machine in the 3rd drafting machine traveling process by the first steam box heating being located between the second drafting machine and the 3rd drafting machine, the temperature of this first steam box heating is the drawing temperature of second time drawing-off, and the temperature of this first steam box heating is 106 DEG C, namely the drawing temperature of second time drawing-off is 106 DEG C, and the drafting multiple of second time drawing-off is 1.1 times, tow gait of march (linear velocity) in the draw roll of the 3rd drafting machine is 165m/min, tow is shaped through tensioning heat setting machine successively after going out the 3rd drafting machine, second steam box preheating, curling and the loose forming machine sizing of crimping machine, enter cutting machine after going out laxation shaping machine to cut off, then it is delivered to baling press packing, obtaining fiber number is 1.2dtex, fracture strength is 4.8CN/dtex, elongation at break is 32.2%, 180 DEG C of dry-hot shrinkages are 4.3% and the short fibre of polyphenylene sulfide that oil content is 0.23%, the temperature of the tensioning heat setting machine sizing described in this step is 150 DEG C, the temperature of the second steam box preheating is 107 DEG C, the crispation number that crimping machine is curling is 9-10/25, the temperature of laxation shaping machine sizing is 147 DEG C, the length that cutting machine cuts off is 38。
Claims (10)
1. one kind is directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder, it is characterised in that comprise the following steps that:
A) fore-spinning: polyphenylene sulfide powder is introduced in double screw extruder and melt extrudes to the homogenizing still being furnished with agitator, the solvent in the polyphenylene sulfide melt entered in homogenizing still and low molecular weight volatile thing is extracted by homogenizing still, and make polyphenylene sulfide melt homogenizing mix, then filter is sent into by the Melt Pump being connected with homogenizing still, measure and introduce manifold spinning through dosing pump after being filtered by filter remove impurity, the strand sprayed by the spinneret orifice on the spinneret of manifold is successively through ring cold wind blower ring quenching, oiling roller oils and winding falling-barrel machine falls bucket, obtain as-spun fibre；
B) spinning process afterwards: by by step A) as-spun fibre that obtains assembles tow through creel, imported by guiding machine again and between the first drafting machine and the second drafting machine, carry out first time drawing-off, tow is heated by the immersion cell being arranged between the first drafting machine and the second drafting machine by tow in going out the process that the first drafting machine is advanced to the second drafting machine, after going out the second drafting machine, tow carries out second time drawing-off between the second drafting machine and the 3rd drafting machine, and tow is heated by the first steam box being located between the second drafting machine and the 3rd drafting machine in going out the process that the second drafting machine is advanced to the 3rd drafting machine, tow is shaped through tensioning heat setting machine after going out the 3rd drafting machine successively, second steam box preheating, crimping machine is curling shapes with laxation shaping machine, enter cutting machine after going out laxation shaping machine to cut off, then it is delivered to baling press packing, obtain the short fibre of polyphenylene sulfide。
2. according to claim 1 directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder, it is characterised in that step A) described in the linear polyphenylene sulfide powder of polyphenylene sulfide powder to be melt index be 110-200g/10min。
3. according to claim 1 directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder, it is characterized in that step A) described in the temperature that melt extrudes of double screw extruder control be: 206 DEG C of a district, two 249 DEG C of districts, three 273 DEG C of districts, four 276 DEG C of districts, five 283 DEG C of districts, six 288 DEG C of districts, seven 293 DEG C of districts, eight 296 DEG C of districts, nine 303 DEG C of districts, ten 308 DEG C of districts, head temperature 300 DEG C。
4. according to claim 1 directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder, it is characterised in that step A) described in the temperature of manifold spinning be 306-325 DEG C；Described spinneret is circular jetting filament plate, and the diameter of this circular jetting filament plate is 180, and the diameter of spinneret orifice is 0.25-0.45；Described winding falling-barrel machine linear velocity of described strand when winding is 800-1000m/min；The described oiling roller upper profit rate when described strand is oiled is 20-30%。
5. according to claim 4 directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder, it is characterised in that draw ratio L: D of described spinneret orifice is 3: 1。
6. according to claim 1 directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder, it is characterized in that step B) described in the drawing temperature of first time drawing-off be the temperature that described tow is heated by described immersion cell, and the temperature that tow is heated by this immersion cell is 85-95 DEG C, the drafting multiple of described first time drawing-off is 3.2-3.3 times；The drawing temperature of described second time drawing-off is the temperature of described first steam box heating, and the temperature of this first steam box heating is 105-120 DEG C, and the drafting multiple of described second time drawing-off is 1.05-1.15 times；Described tow gait of march in the draw roll of described 3rd drafting machine is 150-180m/min。
7. according to claim 1 directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder, it is characterised in that step B) described in the temperature of the second steam box preheating be 105-110 DEG C。
8. according to claim 1 directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder, it is characterised in that step B) described in the temperature of tensioning heat setting machine sizing be 150-200 DEG C；The temperature of described laxation shaping machine sizing is 145-150 DEG C。
9. according to claim 1 directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder, it is characterised in that step B) described in cut off be that tow is cut to length is 38mm, 51mm, 76mm or 102mm。
10. according to claim 1 directly melt extruded the method preparing the short fibre of polyphenylene sulfide by polyphenylene sulfide powder, it is characterized in that step B) described in the fiber number of the short fibre of polyphenylene sulfide be 1.2-6.6dtex, fracture strength is 4.0-4.8cN/dtex, elongation at break is 31.8-33.3%, crispation number is 9-10/25,180 DEG C of dry-hot shrinkages are 3.8-4.3%, and oil content is 0.22-0.24%。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610094939.8A CN105696102A (en) | 2016-02-22 | 2016-02-22 | Method for preparing polyphenylene sulfide short fibers by direct melt extrusion of polyphenylene sulfide powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610094939.8A CN105696102A (en) | 2016-02-22 | 2016-02-22 | Method for preparing polyphenylene sulfide short fibers by direct melt extrusion of polyphenylene sulfide powder |
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| CN105696102A true CN105696102A (en) | 2016-06-22 |
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| CN201610094939.8A Pending CN105696102A (en) | 2016-02-22 | 2016-02-22 | Method for preparing polyphenylene sulfide short fibers by direct melt extrusion of polyphenylene sulfide powder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055606A (en) * | 2018-01-18 | 2019-07-26 | 上海湘伊实业有限公司 | A kind of production system of yarn |
| CN110219063A (en) * | 2019-05-09 | 2019-09-10 | 河北艾科瑞纤维有限公司 | A kind of preparation method and fiber of low resurgence regenerated celulose fibre |
| CN115506040A (en) * | 2022-10-11 | 2022-12-23 | 山东明化新材料有限公司 | Spinning method for directly melt-extruding polyphenylene sulfide powder |
| CN115506040B (en) * | 2022-10-11 | 2024-04-26 | 山东明化新材料有限公司 | Spinning method for directly melting and extruding polyphenylene sulfide powder |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0450310A (en) * | 1990-06-15 | 1992-02-19 | Kanebo Ltd | Polyphenylene sulfide yarn having excellent light resistance |
| US20060147629A1 (en) * | 2004-12-31 | 2006-07-06 | Chun-Shan Wang | Method for producing vapor-grown carbon fibers having 3-D linkage structure |
| CN100999833A (en) * | 2007-01-09 | 2007-07-18 | 江苏省纺织研究所有限公司 | Production process of poly-phenyl thio-ether fibre |
| CN101126182A (en) * | 2007-10-09 | 2008-02-20 | 东华大学 | Ultraviolet radiation resisting polyphenylene sulfide and preparation method thereof |
| CN101161873A (en) * | 2007-11-19 | 2008-04-16 | 深圳市中晟纤维工程技术有限公司 | Polyphenylene sulfide filament one-step method complete plant and production method |
| CN101187070A (en) * | 2007-11-19 | 2008-05-28 | 深圳市中晟纤维工程技术有限公司 | Polyphenylene sulfide short fibre one-step method complete equipment and production method |
| CN101275303A (en) * | 2008-04-24 | 2008-10-01 | 江苏瑞泰科技有限公司 | Stretch-tension-relax setting method for polyphenyl thioether short fibre |
| CN101275309A (en) * | 2007-03-29 | 2008-10-01 | 东丽株式会社 | Polyphony thioether short fiber and manufacturing method thereof |
| CN101348948A (en) * | 2008-07-22 | 2009-01-21 | 自贡鸿鹤化工股份有限公司 | Preparation of polyphenyl thioether spinning melt |
| CN101363144A (en) * | 2008-09-25 | 2009-02-11 | 东华大学 | Polyphenyl thioether/superfine calcium carbonate microparticle complex fiber and preparation method thereof |
| CN101503830A (en) * | 2008-02-08 | 2009-08-12 | 东丽株式会社 | Preparation of polyphenyl thioether fiber |
| CN102618956A (en) * | 2007-03-29 | 2012-08-01 | 东丽株式会社 | Polyphenylene sulfide short fiber and method for making the same |
| CN102776601A (en) * | 2012-08-16 | 2012-11-14 | 敦煌西域特种新材股份有限公司 | Polyphenylene sulfide fiber spinning technology |
-
2016
- 2016-02-22 CN CN201610094939.8A patent/CN105696102A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0450310A (en) * | 1990-06-15 | 1992-02-19 | Kanebo Ltd | Polyphenylene sulfide yarn having excellent light resistance |
| US20060147629A1 (en) * | 2004-12-31 | 2006-07-06 | Chun-Shan Wang | Method for producing vapor-grown carbon fibers having 3-D linkage structure |
| CN100999833A (en) * | 2007-01-09 | 2007-07-18 | 江苏省纺织研究所有限公司 | Production process of poly-phenyl thio-ether fibre |
| CN101275309A (en) * | 2007-03-29 | 2008-10-01 | 东丽株式会社 | Polyphony thioether short fiber and manufacturing method thereof |
| CN102618956A (en) * | 2007-03-29 | 2012-08-01 | 东丽株式会社 | Polyphenylene sulfide short fiber and method for making the same |
| CN101126182A (en) * | 2007-10-09 | 2008-02-20 | 东华大学 | Ultraviolet radiation resisting polyphenylene sulfide and preparation method thereof |
| CN101161873A (en) * | 2007-11-19 | 2008-04-16 | 深圳市中晟纤维工程技术有限公司 | Polyphenylene sulfide filament one-step method complete plant and production method |
| CN101187070A (en) * | 2007-11-19 | 2008-05-28 | 深圳市中晟纤维工程技术有限公司 | Polyphenylene sulfide short fibre one-step method complete equipment and production method |
| CN101503830A (en) * | 2008-02-08 | 2009-08-12 | 东丽株式会社 | Preparation of polyphenyl thioether fiber |
| CN101275303A (en) * | 2008-04-24 | 2008-10-01 | 江苏瑞泰科技有限公司 | Stretch-tension-relax setting method for polyphenyl thioether short fibre |
| CN101348948A (en) * | 2008-07-22 | 2009-01-21 | 自贡鸿鹤化工股份有限公司 | Preparation of polyphenyl thioether spinning melt |
| CN101363144A (en) * | 2008-09-25 | 2009-02-11 | 东华大学 | Polyphenyl thioether/superfine calcium carbonate microparticle complex fiber and preparation method thereof |
| CN102776601A (en) * | 2012-08-16 | 2012-11-14 | 敦煌西域特种新材股份有限公司 | Polyphenylene sulfide fiber spinning technology |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055606A (en) * | 2018-01-18 | 2019-07-26 | 上海湘伊实业有限公司 | A kind of production system of yarn |
| CN110219063A (en) * | 2019-05-09 | 2019-09-10 | 河北艾科瑞纤维有限公司 | A kind of preparation method and fiber of low resurgence regenerated celulose fibre |
| CN115506040A (en) * | 2022-10-11 | 2022-12-23 | 山东明化新材料有限公司 | Spinning method for directly melt-extruding polyphenylene sulfide powder |
| CN115506040B (en) * | 2022-10-11 | 2024-04-26 | 山东明化新材料有限公司 | Spinning method for directly melting and extruding polyphenylene sulfide powder |
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