CN113802211A - Production process of graphene composite three-dimensional spiral hollow fiber - Google Patents
Production process of graphene composite three-dimensional spiral hollow fiber Download PDFInfo
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- CN113802211A CN113802211A CN202010535987.2A CN202010535987A CN113802211A CN 113802211 A CN113802211 A CN 113802211A CN 202010535987 A CN202010535987 A CN 202010535987A CN 113802211 A CN113802211 A CN 113802211A
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- 239000002131 composite material Substances 0.000 title claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 42
- 238000009987 spinning Methods 0.000 claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 10
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 10
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 6
- -1 polyethylene terephthalate Polymers 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 11
- 239000000155 melt Substances 0.000 claims description 10
- 238000009998 heat setting Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims 1
- 238000007654 immersion Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 241000191963 Staphylococcus epidermidis Species 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 241000228197 Aspergillus flavus Species 0.000 description 1
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 244000063299 Bacillus subtilis Species 0.000 description 1
- 235000014469 Bacillus subtilis Nutrition 0.000 description 1
- 241000222122 Candida albicans Species 0.000 description 1
- 241000186216 Corynebacterium Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229940095731 candida albicans Drugs 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 208000017520 skin disease Diseases 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- D01F6/92—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 polyesters
-
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/04—Melting filament-forming substances
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
-
- 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
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
- D01F11/08—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses a production process of a graphene composite three-dimensional spiral hollow fiber, which is characterized in that graphene particles and polyethylene terephthalate slices are used as raw materials, and the raw materials are subjected to composite spinning according to the mass ratio of 1-9: 99-91. The production process of the composite spinning comprises ten steps: 1) vacuumizing and drying; 2) preparing a solution; 3) extruding strands; 4) spinning; 5) cooling and forming; 6) winding and bundling; 7) oil immersion; 8) stretching; 9) shaping at high temperature; 10) and (6) packaging and warehousing. The invention adopts environment-friendly PET slices as a main body of a composite formula, controls the mesh number of graphene particles, prepares a blended melt through double-screw melting, and prepares the three-dimensional spiral hollow composite fiber under a special spinning assembly.
Description
Technical Field
The invention belongs to the technical field of fiber production, and particularly relates to a production process of a graphene composite three-dimensional spiral hollow fiber.
Background
Various bacteria and moulds exist in the human living environment, and the common bacteria and moulds comprise staphylococcus aureus, bacillus subtilis, escherichia coli, aspergillus flavus, candida albicans and the like; staphylococcus epidermidis and Corynebacterium are commonly found in underwear and underpants, and the bacteria causing the odor of the underwear and underpants are bacillus spores and a small amount of Staphylococcus epidermidis. Under the environment of high temperature and high humidity, when these microorganisms multiply on clothes, fibers are easily degraded and discolored by the action of acidic or alkaline metabolites of the microorganisms, volatile malodorous substances such as acetic acid, ammonia gas and the like are generated, and certain skin diseases of human bodies are easily caused, so that the antibacterial and deodorant effects are always closely related.
In order to meet the high requirements of people on the sanitary function of textiles, fiber products are continuously developed towards the direction of antibiosis and deodorization. The moisture content of the artificial PET fiber most meets the physiological requirements of human skin, has the characteristics of smoothness, coolness, air permeability, static resistance, gorgeous dyeing and the like, but is easy to breed various bacteria and moulds due to high moisture content and has high breeding speed. The antibacterial agents used in the existing various after-finishing parts have unsatisfactory antibacterial and bacteriostatic effects and are not washable. For this reason, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a production process of a graphene composite three-dimensional spiral hollow fiber, and aims to solve the problems that various bacteria and mould are easy to breed in the conventional artificial PET fiber, and an antibacterial agent used in an after-finishing part is not resistant to washing and the like in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the production process of the graphene composite three-dimensional spiral hollow fiber is characterized in that graphene particles and polyethylene terephthalate slices are used as raw materials, and the raw materials are subjected to composite spinning according to the mass ratio of 1-9: 99-91.
The production steps of the specific composite spinning are as follows:
1) adding the raw materials into a drum dryer, vacuumizing and drying for 4-8 hours at the temperature of 120-150 ℃ to ensure that the water content of the raw materials is less than 50 ppm;
2) melting the dried raw materials to prepare a melt;
3) under the action force of a screw extruder, enabling the melt to enter a spinning assembly through a metering pump with the frequency of 33-39 Hz at high pressure, and smoothly extruding filaments;
4) feeding the extruded filaments into a spinning manifold, controlling the temperature of the manifold at 280-300 ℃, and controlling the spinning speed at 1100-1300 m/s to ensure that the spun filament fiber is above 50K;
5) uniformly cooling the spun silk fibers at a wind temperature of 20-30 ℃, a wind volume of 55000-62000 square meters and a wind speed of 3.3-3.9 m/s to ensure that the silk fibers are cooled and molded;
6) winding and bundling the formed silk fibers by a winding machine;
7) when winding and bundling are carried out, special hard oil solution is adopted for oiling, so that smooth filament bundles are kept, and fuzzing and filament breakage are avoided;
8) the tows pass through a drafting machine to be stretched for three times, wherein one stretching is taken as a main stretching, and the other two stretching is taken as an auxiliary stretching to ensure that three-dimensional stretching is realized but no over-stretching is realized;
9) the stretched tows are shaped at high temperature by a seven-zone heat-shaping oven and are naturally relaxed and shrunk by cooling with circulating air;
10) after low-temperature air drying, cutting, packaging and warehousing.
And 6, when the filament bundle passes through the winding machine, no pressure is set, the filament fiber can be naturally curled and bundled when passing through, and the filament bundle is placed on a bundling frame during bundling, so that the total denier of bundling is 180-210 ten thousand.
And 7, immersing the fiber into a special hard oil agent through a yarn guide machine to increase the fiber rigidity.
In the step 8, the first drawing is carried out through a water bath drawing tank, the temperature of the water bath tank is 65-75 ℃, the second drawing is carried out through steam heating, the temperature of the steam is 100-110 ℃, and the third drawing is carried out through yarn folding.
In step 9, when the seven-zone heat setting oven is heated, the temperature of the first zone is 100-.
In step 10, cutting the cut-off material with a cutting speed of 750-850 m/min by a cutting machine, and packaging the cut-off material by a packaging machine, wherein the weight of each package is 250-350+10kg。
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts environment-friendly PET slices as a main body of a composite formula, controls the mesh number of graphene particles, prepares a blended melt through double-screw melting, and prepares the three-dimensional spiral hollow composite fiber under a special spinning assembly.
Detailed Description
The following examples further illustrate the present invention but are not to be construed as limiting the invention. Modifications and substitutions to methods, procedures, or conditions of the invention may be made without departing from the spirit of the invention.
Example 1:
according to the principle and the technical scheme of the invention, the raw material components are determined as follows: 8% of graphene and 92% of polyethylene terephthalate, spinning by adopting a two-component raw material co-spinning composite technology, wherein the specific spinning production steps are as follows:
the method comprises the following steps: adding the raw materials into a drum dryer, vacuumizing and drying for 6 hours at 125 ℃ to ensure that the water content of the raw materials is less than 50 ppm.
Step two: adding the dried raw materials into a feeding hopper, and melting by a double-screw feeding technology to prepare a melt.
Step three: under the action of a screw extruder, the melt enters a spinning assembly through a metering pump with the frequency of 36Hz at high pressure, and filaments are smoothly extruded.
Step four: and (3) feeding the extruded filaments into a spinning manifold, controlling the temperature of the manifold at 290 ℃, and ensuring that the spun filament fiber is above 50K at the spinning speed of 1200 m/s.
Step five: the spun silk fiber is uniformly cooled by the wind temperature of 23 ℃, the wind volume of 60000 square meter and the wind speed of 3.6 m/s, thereby ensuring the cooling and forming of the silk fiber.
Step six: the formed silk fibers are wound and bunched through a winding machine, no pressure is required to be applied when the formed silk fibers pass through the winding machine, the silk fibers can be naturally curled and bunched when passing through the winding machine, and tows are placed on a bunching frame during bunching, so that the total denier of the bunched silk is 200 ten thousand.
Step seven: and when the yarn is wound and bunched, the yarn is immersed into special hard oil TDSL-2005A/B through a yarn guide machine, so that the fiber rigidity is increased, and the smooth, fluffy and continuous yarn breakage of the yarn bundle are kept.
Step eight: the method comprises the following steps of (1) passing tows through a drafting machine to conduct three-pass drafting, wherein one-pass drafting is mainly conducted, the other two-pass drafting is assisted, the first-pass drafting is conducted through a water bath drafting groove, the temperature of the water bath is 70 ℃, the second-pass drafting is conducted through steam heating, the temperature of steam is 100 ℃, and the third-pass drafting is conducted through yarn stacking to guarantee that three-dimensional drawing is achieved but no over-drafting is conducted.
Step nine: and (2) carrying out high-temperature setting on the stretched tows by adopting a seven-zone heat setting oven, wherein when the tows are heated by the seven-zone heat setting oven, the temperature of a first zone is 100 ℃, the temperature of a second zone is 165 ℃, the temperature of a third zone is 175 ℃, the temperature of a fourth zone is 200 ℃, the temperature of a fifth zone is 205 ℃, the temperature of a sixth zone is 200 ℃ and the temperature of the seventh zone is 195 ℃, and then the tows are naturally relaxed and shrunk by cooling through circulating air.
Step ten: air-dried at low temperature, sent out by a feeding wheel, cut off by a cutting machine at the net cutting speed of 800 m/min, and packed by a packing machine for warehousing, wherein the weight of each package is 300+10kg。
Example 2:
according to the principle and the technical scheme of the invention, the raw material components are determined as follows: 6% of graphene and 94% of polyethylene terephthalate, and spinning by adopting a two-component raw material co-spinning composite technology, wherein the specific spinning production steps are as follows:
the method comprises the following steps: adding the raw materials into a drum dryer, vacuumizing and drying for 5 hours at the temperature of 130 ℃ to ensure that the water content of the raw materials is less than 50 ppm.
Step two: adding the dried raw materials into a feeding hopper, and melting by a double-screw feeding technology to prepare a melt.
Step three: under the action of a screw extruder, the melt enters a spinning assembly through a metering pump with the frequency of 38Hz at high pressure, and filaments are smoothly extruded.
Step four: and (3) feeding the extruded filaments into a spinning manifold, controlling the manifold temperature at 280 ℃ and the spinning speed at 1150 m/s, and ensuring that the spun filament fiber is above 50K.
Step five: the spun silk fiber is uniformly cooled by the wind temperature of 25 ℃, the wind quantity of 58000 square meters and the wind speed of 3.8 meters per second, and the cooling molding of the silk fiber is ensured.
Step six: the formed silk fibers are wound and bunched through a winding machine, the formed silk fibers are not pressed when passing through the winding machine, the silk fibers can be naturally curled and bunched when passing through the winding machine, and tows are placed on a bunching frame during bunching, so that the total denier of the bunched silk is 190 ten thousand denier.
Step seven: and when the yarn is wound and bunched, the yarn is immersed into special hard oil TDSL-2005A/B through a yarn guide machine, so that the fiber rigidity is increased, and the smooth, fluffy and continuous yarn breakage of the yarn bundle are kept.
Step eight: the method comprises the following steps of (1) passing tows through a drafting machine to conduct three-pass drafting, wherein one-pass drafting is mainly conducted, other two-pass drafting is assisted, the first-pass drafting is conducted through a water bath drafting groove, the temperature of the water bath is 68 ℃, the second-pass drafting is conducted through steam heating, the temperature of steam is 105 ℃, and the third-pass drafting is conducted through yarn stacking to guarantee that three-dimensional drafting is achieved but no drafting is conducted.
Step nine: and (2) carrying out high-temperature setting on the stretched tows by adopting a seven-zone heat setting oven, wherein when the tows are heated by the seven-zone heat setting oven, the temperature of a first zone is 102 ℃, the temperature of a second zone is 160 ℃, the temperature of a third zone is 168 ℃, the temperature of a fourth zone is 190 ℃, the temperature of a fifth zone is 198 ℃, the temperature of a sixth zone is 190 ℃ and the temperature of the seventh zone is 192 ℃, and then the tows are naturally relaxed and shrunk by cooling through circulating air.
Step ten: air-dried at low temperature, sent out by a feeding wheel, cut off by a cutting machine at the net cutting speed of 780 m/min, and packed and warehoused by a packing machine, wherein the weight of each package is 280+10kg。
Example 3:
according to the principle and the technical scheme of the invention, the raw material components are determined as follows: 9% of graphene and 91% of polyethylene terephthalate, and spinning by adopting a two-component raw material co-spinning composite technology, wherein the production steps of the spinning are as follows:
the method comprises the following steps: adding the raw materials into a drum dryer, vacuumizing and drying for 4 hours at the temperature of 140 ℃ to ensure that the water content of the raw materials is less than 50 ppm.
Step two: adding the dried raw materials into a feeding hopper, and melting by a double-screw feeding technology to prepare a melt.
Step three: under the action of a screw extruder, the melt enters a spinning assembly through a metering pump with the frequency of 39Hz at high pressure, and filaments are smoothly extruded.
Step four: and (3) feeding the extruded filaments into a spinning manifold, controlling the manifold temperature at 300 ℃, and ensuring that the spun filament fiber is above 50K at the spinning speed of 1300 m/s.
Step five: the spun silk fiber is uniformly cooled by the wind temperature of 30 ℃, the wind quantity of 61000 square meters and the wind speed of 3.9 meters per second, thereby ensuring the cooling and forming of the silk fiber.
Step six: and winding and bundling the formed silk fibers by a winding machine, wherein when the formed silk fibers pass through the winding machine, no pressure is required, the silk fibers can be naturally curled and bundled when passing through the winding machine, and the tows are placed on a bundling frame during bundling, so that the total denier number of bundling is 205 ten thousand.
Step seven: and when the yarn is wound and bunched, the yarn is immersed into special hard oil TDSL-2005A/B through a yarn guide machine, so that the fiber rigidity is increased, and the smooth, fluffy and continuous yarn breakage of the yarn bundle are kept.
Step eight: and (2) enabling the filament bundle to pass through a drafting machine for three-way drafting, mainly carrying out one-way drafting, and secondarily stretching other two ways, wherein the first-way drafting is carried out through a water bath drafting groove, the temperature of the water bath is 74 ℃, the second-way drafting is carried out through steam heating, the temperature of the steam is 110 ℃, and the third-way drafting is carried out through yarn stacking, so that the three-dimensional drafting is ensured to be embodied without over-drafting.
Step nine: and (2) carrying out high-temperature setting on the stretched tows by adopting a seven-zone heat setting oven, wherein when the tows are heated by the seven-zone heat setting oven, the temperature of a first zone is 105 ℃, the temperature of a second zone is 170 ℃, the temperature of a third zone is 180 ℃, the temperature of a fourth zone is 210 ℃, the temperature of a fifth zone is 210 ℃, the temperature of a sixth zone is 210 ℃, and the temperature of the seventh zone is 198 ℃, and then the tows are naturally relaxed and shrunk by cooling through circulating air.
Step ten: air-dried at low temperature, sent out by a feeding wheel, cut off by a cutter at the net cutting speed of 820 m/min, and packed and warehoused by a packer with the weight of 320 per package+10kg。
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The production process of the graphene composite three-dimensional spiral hollow fiber is characterized in that graphene particles and polyethylene terephthalate slices are used as raw materials, and the raw materials are subjected to composite spinning according to the mass ratio of 1-9: 99-91.
2. The production process of the graphene composite three-dimensional spiral hollow fiber according to claim 1, wherein the production steps of the specific composite spinning are as follows:
1) adding the raw materials into a drum dryer, vacuumizing and drying for 4-8 hours at the temperature of 120-150 ℃ to ensure that the water content of the raw materials is less than 50 ppm;
2) melting the dried raw materials to prepare a melt;
3) under the action force of a screw extruder, enabling the melt to enter a spinning assembly through a metering pump with the frequency of 33-39 Hz at high pressure, and smoothly extruding filaments;
4) feeding the extruded filaments into a spinning manifold, controlling the temperature of the manifold at 280-300 ℃, and controlling the spinning speed at 1100-1300 m/s to ensure that the spun filament fiber is above 50K;
5) uniformly cooling the spun silk fibers at a wind temperature of 20-30 ℃, a wind volume of 55000-62000 square meters and a wind speed of 3.3-3.9 m/s to ensure that the silk fibers are cooled and molded;
6) winding and bundling the formed silk fibers by a winding machine;
7) when winding and bundling are carried out, special hard oil solution is adopted for oiling, so that smooth filament bundles are kept, and fuzzing and filament breakage are avoided;
8) the tows pass through a drafting machine to be stretched for three times, wherein one stretching is taken as a main stretching, and the other two stretching is taken as an auxiliary stretching to ensure that three-dimensional stretching is realized but no over-stretching is realized;
9) the stretched tows are shaped at high temperature by a seven-zone heat-shaping oven and are naturally relaxed and shrunk by cooling with circulating air;
10) after low-temperature air drying, cutting, packaging and warehousing.
3. The production process of the graphene composite three-dimensional spiral hollow fiber according to claim 2, wherein in the step 6, no pressing is provided when the graphene composite three-dimensional spiral hollow fiber passes through a winding machine, so that the fiber can be naturally curled and bundled when the fiber passes through, and a tow is placed on a bundling frame during bundling, so that the total denier of bundling is 180-210 ten thousand.
4. The production process of the graphene composite three-dimensional spiral hollow fiber according to claim 2, wherein in the step 7, the fiber rigidity is increased by immersing the fiber into a special hard oil agent through a wire guide machine.
5. The production process of the graphene composite three-dimensional spiral hollow fiber according to claim 2, wherein in the step 8, the first drawing is performed through a water bath drawing tank, the temperature of the water bath is 65-75 ℃, the second drawing is performed through steam heating, the temperature of the steam is 100-110 ℃, and the third drawing is performed through filament stacking.
6. The process for producing a graphene composite three-dimensional spiral hollow fiber according to claim 2, wherein in the step 9, when the seven-zone heat setting oven is heated, the temperature of the first zone is 100-105 ℃, the temperature of the second zone is 155-170 ℃, the temperature of the third zone is 165-180 ℃, the temperature of the fourth zone is 180-220 ℃, the temperature of the fifth zone is 195-215 ℃, the temperature of the sixth zone is 180-220 ℃, and the temperature of the seven zone is 190-200 ℃.
7. The production process of the graphene composite three-dimensional spiral hollow fiber according to claim 2, wherein in the step 10, the graphene composite three-dimensional spiral hollow fiber is cut by a cutter, the cutting speed is 750-850 m/min, and then the graphene composite three-dimensional spiral hollow fiber is packed by a packing machine, wherein the weight of each package is 250-350 m/min+10kg。
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Application publication date: 20211217 |