CN115449936A - High-performance film roll micro-nanofiber yarn and preparation process thereof - Google Patents
High-performance film roll micro-nanofiber yarn and preparation process thereof Download PDFInfo
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- CN115449936A CN115449936A CN202211121428.2A CN202211121428A CN115449936A CN 115449936 A CN115449936 A CN 115449936A CN 202211121428 A CN202211121428 A CN 202211121428A CN 115449936 A CN115449936 A CN 115449936A
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
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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
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
- D02J1/222—Stretching in a gaseous atmosphere or in a fluid bed
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Abstract
The invention relates to the technical field of preparation of high-performance film roll micro-nano fiber yarns, in particular to a high-performance film roll micro-nano fiber yarn and a preparation process thereof, wherein the preparation process comprises the following steps: (1) Preparing spinning solution, and preparing micro-nano fiber yarns by combining electrostatic spinning with a film winding process; (2) Carrying out hot drafting treatment on the micro-nano fiber yarn obtained in the step (1) to prepare high-performance micro-nano fiber yarn, or carrying out twisting treatment on the micro-nano fiber yarn obtained in the step (1) to prepare high-performance micro-nano fiber yarn, or carrying out composite twisting treatment on the micro-nano fiber yarn obtained in the step (1) after hot drafting treatment to obtain high-performance micro-nano fiber yarn; the micro-nano fiber yarn with uniform structure, high fiber orientation degree, high crystallinity and strong mechanical property is obtained by combining electrostatic spinning, a film winding process, hot drawing and twisting.
Description
Technical Field
The invention relates to the technical field of high-performance micro-nanofiber yarn preparation, in particular to a high-performance film roll micro-nanofiber yarn and a preparation process thereof.
Background
The electrostatic spinning micro-nano fiber yarn is a novel spinning technology which utilizes an electrostatic spinning technology to prepare micro-nano fibers, then the micro-nano fibers are collected into bundles and twisted into yarns, compared with the conventional spinning technology, the fibers prepared by electrostatic spinning have thinner diameter and higher specific surface area, the formed micro-nano fiber yarn replaces the traditional micro-fiber yarn, a high-performance textile product is prepared by technical means such as weaving, knitting, braiding and the like, the mechanical property of the textile product is improved or additional physical properties and biological properties such as sound, light, electricity, magnetism, heat and the like are endowed, and the electrostatic spinning micro-nano fiber yarn has wide application prospect in the fields of intelligent wearable textiles, biomedical textiles, sensing devices and the like.
At present, the forming mode of the electrostatic spinning micro-nano fiber yarn is various, but the prepared micro-nano fiber yarn generally has many defects: firstly, the prepared yarn has poor mechanical property and uniformity and is difficult to meet the basic requirements of the traditional spinning processing; secondly, the prepared yarn has lower orientation degree and crystallinity; thirdly, the prepared yarn has a single structure. Chinese patent 201910031510.8 is a method of soaking yarn containing nanofibers in a solution of dimethylformamide of appropriate concentration, then drying the yarn, and forming a cross-linked network structure by secondary dissolution and adhesion between nanofibers, which can effectively improve the breaking strength of the yarn, but the spinning material is only soluble in polymers of dimethylformamide, and can significantly change the surface morphology of the yarn. The Chinese patent 201910434699.5 can realize the continuous production of the oriented nanofiber yarn by designing a combined spinning device, but the device is complex and the prepared yarn has insufficient structural diversity. Therefore, the improvement is simultaneously carried out from multiple aspects, the mechanical property, the uniformity, the orientation degree and the crystallinity of the micro-nano fiber yarn are made up, and the technical problem to be solved is solved.
Disclosure of Invention
Aiming at the defects in the prior art, the high-performance film-wound micro-nano fiber yarn and the preparation process thereof are provided, and the micro-nano fiber yarn with uniform structure, high fiber orientation degree, high crystallinity and strong mechanical property is obtained by combining electrostatic spinning, film winding process, hot drafting and twisting.
In order to solve the technical problems, the technical scheme adopted by the invention is that the high-performance membrane-wound micro-nano fiber yarn is prepared by combining a micro-nano fiber membrane prepared by electrostatic spinning with a membrane winding process, or further prepared by hot drawing treatment, or prepared by twisting treatment, or prepared by carrying out composite twisting on the membrane-wound micro-nano fiber yarn subjected to hot drawing treatment.
The preparation process of the high-performance film roll micro-nanofiber yarn comprises the following steps:
(1) Preparing spinning solution, preparing a micro-nanofiber membrane through electrostatic spinning, and then obtaining high-performance membrane-rolled micro-nanofiber yarns through a membrane rolling process;
(2) And (2) carrying out hot drawing treatment on the membrane-wound micro-nano fiber yarn obtained in the step (1) to prepare a high-performance micro-nano fiber yarn, or carrying out twisting treatment on the micro-nano fiber yarn obtained in the step (1) to prepare a high-performance micro-nano fiber yarn, or carrying out composite twisting treatment on the micro-nano fiber yarn obtained in the step (1) after hot drawing treatment to prepare the high-performance micro-nano fiber yarn.
In the preparation process of the high-performance membrane-wound micro-nano fiber yarn, the spinning solution prepared in the step (1) comprises a polylactic acid solution, a polyglycolic acid solution, a polycaprolactone solution, a polyglycolide-lactide solution, a polylactide-glycolide solution, a polylactide-caprolactone solution, a poly (p-dioxanone) solution, a poly (trimethylene carbonate) solution, a polyethylene glycol solution, a polyhydroxyalkanoate solution, a polybutylene succinate solution and other polymer solutions which can be used for electrostatic spinning, and the concentration of the solution is 0.1-50%.
According to the preparation process of the high-performance membrane-wound micro-nano fiber yarn, in the step (1), the high-performance micro-nano fiber yarn is prepared through combining an electrostatic spinning process and a membrane winding process, micro-nano fibers obtained through electrostatic spinning are directionally arranged and collected on a metal winding roller to form a micro-nano fiber membrane with a certain thickness and width, the micro-nano fiber membrane is parallelly wound in a direction perpendicular to the fiber arrangement direction to form a linear ring, and the micro-nano fiber membrane is prepared after cutting.
According to the preparation process of the high-performance film-wound micro-nano fiber yarn, the thickness of the micro-nano fiber film is 10 micrometers to 10cm, and the width of the micro-nano fiber film is 10 micrometers to 100cm.
According to the preparation process of the high-performance micro-nano fiber yarn, the external voltage of electrostatic spinning is +1kV to +150kV, the distance between a spinning nozzle and a metal winding roller is 1cm to 100cm, the liquid supply speed of a liquid supply tank is 0.1 mu L/h to 50mL/h, and the rotating speed of the metal winding roller is 1rpm to 20000rpm.
In the preparation process of the high-performance film-wound micro-nano fiber yarn, in the step (2), the thermal drafting treatment process in the preparation of the high-performance micro-nano fiber yarn by thermal drafting treatment is as follows: the hot air and the external force are utilized to carry out the drafting treatment, the drafting temperature is 1 ℃ to 500 ℃, the drafting multiple is 0.1 time to 1000 times, and the drafting tension is 0.1N to 1000N.
In the preparation process of the high-performance film-wound micro-nanofiber yarn, in the step (2), the twisting treatment process for preparing the high-performance micro-nanofiber yarn through twisting treatment is as follows: the number of twisted strands is 1 to 1000, the twist number is 0.5 twist/10 cm to 5000 twist/10 cm, and the twisting direction includes Z twist and S twist.
In step (2), the micro-nanofiber yarn obtained in step (1) of the thermal drafting process is subjected to composite twisting to obtain the high-performance micro-nanofiber yarn, wherein the micro-nanofiber yarn obtained in step (1) of the thermal drafting process is subjected to drafting process by utilizing hot air and external force, and the process parameters are as follows: the drafting temperature is 1 ℃ to 500 ℃, the drafting multiple is 0.1 times to 1000 times, and the drafting tension is 0.1N to 1000N; the technical parameters of the micro-nano fiber yarn obtained in the twisting treatment step (1) are as follows: the twisting twist is 0.5 twist/10 cm to 5000 twist/10 cm, the twisting direction comprises Z twist and S twist, and the technological parameters of the composite twisting treatment of the micro-nano fiber yarn obtained in the step (1) of the hot drafting treatment are as follows: the number of twisted strands is 1 to 1000, the twist number is 0.5 twist/10 cm to 5000 twist/10 cm, and the twisting direction includes Z twist and S twist.
The high-performance film-wound micro-nanofiber yarn and the preparation process thereof have the beneficial effects that the micro-nanofiber yarn is collected by adopting the metal winding roller, so that the high-orientation arrangement of micro-nanofibers can be ensured; the micro-nano fiber yarn is prepared in a transverse parallel rolling and twisting mode, so that the diameter of the yarn can be regulated and controlled in real time, and the micro-nano fibers are ensured to be arranged neatly and uniformly; the orientation degree and the crystallinity of the micro-nano fibers in the yarn can be further improved by adopting a hot drawing process, the structure of the yarn is obviously optimized, the fineness of the yarn is adjusted, and the mechanical property of the yarn is improved; the twisting process can realize the diversification of the yarn structure, reduce the uneven fineness of the yarn and further improve the mechanical property of the yarn. To sum up, the metal winding roller collects and is perpendicular to the parallel formation mode of rolling yarn with hands of fibre arrangement direction, can produce the even, highly oriented, controllable little nanofiber yarn of diameter of structure, and the hot drafting technology can obtain the little nanofiber draft yarn of different draft degree, is showing and is improving yarn orientation degree, crystallinity and mechanical properties, and twisting technology can obtain the little nanofiber that the twisting effect is different and little nanofiber draft yarn that twists, optimizes yarn structure, homogeneity and mechanical properties. The micro-nano fiber yarn prepared by the method has the advantages of uniform and various structures, high orientation degree, high crystallinity and excellent mechanical property.
Drawings
Fig. 1 is a flow chart of a preparation process of a film-wound micro-nanofiber yarn in example 1;
FIG. 2 is a process flow chart of the preparation of high-performance micro-nanofiber yarns by hot-drawing treatment in example 1;
fig. 3 is a process flow chart of the preparation of the high-performance micro-nano fiber yarn by twisting treatment in example 2;
FIG. 4 is a process flow chart of the preparation of the hot-drafting composite twisting high-performance micro-nanofiber yarn of example 3;
fig. 5 is an SEM image of the prepared film-wound micro-nanofiber yarn, 3 times drafted micro-nanofiber drafted yarn, single-twisted micro-nanofiber twisted yarn, and 5 strands of twisted micro-nanofiber drafted twisted yarn;
fig. 6 shows mechanical properties of the film-wound micro-nanofiber yarn, the 3-fold-drafted micro-nanofiber drawn yarn, the single-twisted micro-nanofiber twisted yarn, and the 5-twisted micro-nanofiber-drawn twisted yarn.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
Example 1
A high-performance membrane-wound micro-nano fiber yarn is prepared by combining a micro-nano fiber membrane prepared by electrostatic spinning with a membrane winding process, or further performing hot drawing treatment, or twisting treatment, or performing composite twisting on the membrane-wound micro-nano fiber yarn subjected to hot drawing treatment.
As shown in fig. 1 and 2, a preparation process of a high-performance micro-nanofiber yarn includes the following steps:
(1) Preparing spinning solution, preparing a micro-nano fiber membrane through electrostatic spinning, and then obtaining high-performance membrane roll micro-nano fiber yarn by adopting a membrane roll process;
in the preparation process of the high-performance micro-nano fiber yarn, the spinning solution prepared in the step (1) comprises a polylactic acid solution, a polyglycolic acid solution, a polycaprolactone solution, a polyglycolide-lactide solution, a polylactide-glycolide solution, a polylactide-caprolactone solution, a poly (p-dioxanone) solution, a poly (trimethylene carbonate) solution, a polyethylene glycol solution, a polyhydroxyalkanoate solution, a polybutylene succinate solution and other polymer solutions which can be used for electrostatic spinning, and the concentration of the solution is 0.1-50%.
The micro-nano fiber yarn is prepared through electrostatic spinning in the step (1), micro-nano fiber orientation arrangement obtained through electrostatic spinning and a film winding process is collected on a metal winding roller to form a micro-nano fiber film with certain thickness and width, the micro-nano fiber film is parallelly wound in a direction perpendicular to the fiber arrangement direction to form a linear ring, and the micro-nano fiber yarn is prepared after cutting.
The external voltage of electrostatic spinning is +1kV to +150kV, the distance between a spinning nozzle and a metal winding roller is 1cm to 100cm, the liquid supply speed of a liquid supply box is 0.1 mu L/h to 50mL/h, and the rotating speed of the metal winding roller is 1rpm to 20000rpm.
The thickness of the micro-nano fiber film is 10 mu m to 10cm, and the width of the micro-nano fiber film is 10 mu m to 100cm.
Example 2
The same parts of this embodiment as those of embodiment 1 are not described again, but the differences are as follows:
and (3) carrying out hot drawing treatment on the micro-nano fiber yarn obtained in the step (1) to prepare the high-performance micro-nano fiber yarn.
In the preparation process of the high-performance micro-nano fiber yarn, in the step (2), the thermal drafting treatment process in the preparation of the high-performance micro-nano fiber yarn by thermal drafting treatment is as follows: the hot air and the external force are utilized to carry out the drafting treatment, the drafting temperature is 1 ℃ to 500 ℃, the drafting multiple is 0.1 time to 1000 times, and the drafting tension is 0.1N to 1000N.
Example 3
The same parts of this embodiment as those of embodiment 1 are not described again, and the differences are:
twisting the micro-nano fiber yarn obtained in the step (1) to prepare the high-performance micro-nano fiber yarn.
The twisting treatment process for preparing the high-performance micro-nano fiber yarn by twisting treatment comprises the following steps: the number of twisted strands is 1 to 1000, the twist number is 0.5 twist/10 cm to 5000 twist/10 cm, and the twisting direction includes Z twist and S twist.
Example 4
The same parts of this embodiment as embodiment 1 are not described again, but the differences are:
twisting and compounding the micro-nano fiber yarn obtained in the step (1) of hot drawing treatment to obtain a high-performance micro-nano fiber yarn,
the micro-nano fiber yarn obtained in the step (1) of hot drawing treatment is drawn by utilizing hot air and external force, and the process parameters are as follows: the drafting temperature is 1 ℃ to 500 ℃, the drafting multiple is 0.1 times to 1000 times, and the drafting tension is 0.1N to 1000N; the technical parameters of the micro-nano fiber yarn obtained in the twisting treatment step (1) are as follows: the twisting twist is 0.5 twist/10 cm to 5000 twist/10 cm, the twisting direction comprises Z twist and S twist, and the technological parameters of the composite twisting treatment of the micro-nano fiber yarn obtained in the step (1) of the hot drafting treatment are as follows: the number of twisted strands is 1 to 1000, the twist number is 0.5 twist/10 cm to 5000 twist/10 cm, and the twisting direction includes Z twist and S twist.
Example 5
The same parts of this embodiment as embodiment 1 are not described again, but the differences are:
next, spinning was performed using a spinning solution prepared from poly-l-lactic acid (PLLA) and hexafluoroisopropanol as an example. The method comprises the following steps: (1) Dissolving PLLA powder in hexafluoroisopropanol, and stirring, dissolving and standing to prepare a spinning solution with the concentration of 10%; (2) Putting PLLA spinning solution into a solution supply box, and supplying solution to a spinning nozzle at the speed of 0.8mL/h; (3) Opening the high-voltage electrostatic generator to provide +12kV high-voltage static electricity for the spinning nozzle, wherein the nano-fibers sprayed by the spinning nozzle can be gathered between the spinning nozzle and the metal winding roller to form a horn shape; (4) Starting a motor, setting the rotating speed of a metal winding roller to be 1000rpm, and preliminarily collecting the nanofibers into an oriented nanofiber membrane with a certain thickness; (5) Turning off the motor, parallelly rolling and twisting the nanofiber membrane in a direction perpendicular to the fiber arrangement direction to form a linear ring after the metal winding roller is static, and cutting to obtain nanofiber yarns; (6) Freeze-drying the nanofiber yarns for a period of time, and then sending the nanofiber yarns into a hot drawing device, wherein the temperature is 70 ℃, and the drawing multiple is set to be 3 times; (7) And twisting the nanofiber yarn and the 3-time drafted yarn respectively, wherein the number of twisted strands is 1 strand and 5 strands, and the number of twisted strands is 120 twists/10 cm and 70 twists/10 cm respectively. Fig. 5 shows SEM images of the prepared nanofiber yarn, 3 times drafted nanofiber drawn yarn, single twisted nanofiber twisted yarn and 5 twisted nanofiber drawn twisted yarn, respectively, with random calculation of the diameters of 50 yarns, resulting in a nanofiber yarn diameter of 424.65 ± 4.69 μm,3 times drafted nanofiber drawn yarn diameter of 278.99 ± 6.98 μm, single twisted nanofiber yarn diameter of 305.22 ± 5.17 μm,5 twisted nanofiber drawn twisted yarn diameter of 376.69 ± 12.61 μm; respectively and randomly calculating the diameters of 100 nanofibers to obtain the diameter of the nanofiber yarn of 990.7 +/-258nm, and the diameter of the 3 times drafted nanofiber drafted yarn of 654.2 +/-150 nm, so that the diameters of the drafted yarn and the nanofibers are reduced. Fig. 6 shows mechanical properties of nanofiber yarn, 3-fold-drawn nanofiber yarn, single-twisted nanofiber twisted yarn, and 5-strand-twisted nanofiber-drawn twisted yarn, where the breaking stress of nanofiber yarn is 29.7 ± 1.2MPa, the breaking stress of 3-fold-drawn nanofiber yarn is 89.8 ± 0.9MPa, the breaking stress of single-strand-twisted nanofiber twisted yarn is 55.4 ± 1.1MPa, and the breaking stress of 5-strand-twisted nanofiber-drawn twisted yarn is 120.7 ± 0.4MPa, that is, the breaking stress of drawn yarn is significantly higher than that of undrawn yarn, and the breaking stress of twisted yarn is significantly higher than that of untwisted yarn.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which can be made by those skilled in the art are also within the scope of the present invention.
Claims (9)
1. The utility model provides a micro-nanofiber yarn is rolled up to high performance membrane which characterized in that: the fiber membrane is prepared by combining a membrane roll process with a micro-nano fiber membrane prepared by electrostatic spinning, or further prepared by hot drawing treatment, or prepared by twisting treatment, or prepared by carrying out composite twisting on the membrane roll micro-nano fiber yarn subjected to hot drawing treatment.
2. A preparation process of the high-performance film-wound micro-nanofiber yarn according to claim 1, characterized by comprising the following steps: the method comprises the following steps:
(1) Preparing spinning solution, preparing a micro-nano fiber membrane through electrostatic spinning, and then obtaining high-performance membrane roll micro-nano fiber yarn by adopting a membrane roll process;
(2) And (2) carrying out hot drawing treatment on the membrane-wound micro-nano fiber yarn obtained in the step (1) to prepare a high-performance micro-nano fiber yarn, or carrying out twisting treatment on the micro-nano fiber yarn obtained in the step (1) to prepare a high-performance micro-nano fiber yarn, or carrying out composite twisting treatment on the micro-nano fiber yarn obtained in the step (1) after hot drawing treatment to prepare the high-performance micro-nano fiber yarn.
3. The process for preparing high performance micro-nano fiber yarn by film rolling according to claim 2, wherein the spinning solution prepared in step (1) comprises polylactic acid solution, polyglycolic acid solution, polycaprolactone solution, polyglycolide-lactide solution, polylactide-glycolide solution, polylactide-caprolactone solution, poly (p-dioxanone) solution, poly (trimethylene carbonate) solution, polyethylene glycol solution, polyhydroxyalkanoate solution, polybutylene succinate solution and other polymer solution which can be used for electrostatic spinning, and the concentration of the solution is 0.1% to 50%.
4. The process for preparing high-performance membrane-wound micro-nano fiber yarns according to claim 3, wherein the step (1) of preparing the high-performance micro-nano fiber yarns by combining an electrostatic spinning process with a membrane winding process comprises the steps of collecting micro-nano fibers obtained by electrostatic spinning on a metal winding roller in an oriented arrangement manner to form a micro-nano fiber membrane with a certain thickness and width, rolling the micro-nano fiber membrane in parallel in a direction perpendicular to the arrangement direction of the fibers to form a linear ring, and cutting the linear ring to obtain the high-performance micro-nano fiber yarns.
5. The preparation process of the high-performance membrane-wound micro-nano fiber yarn as claimed in claim 4, wherein the micro-nano fiber yarn has a membrane thickness of 10 μm to 10cm and a width of 10 μm to 100cm.
6. The preparation process of the high-performance micro-nano fiber yarn according to claim 5, wherein the electrostatic spinning applied voltage is +1kV to +150kV, the distance between a spinning nozzle and a metal winding roller is 1cm to 100cm, the liquid supply speed of a liquid supply tank is 0.1 μ L/h to 50mL/h, and the rotating speed of the metal winding roller is 1rpm to 20000rpm.
7. The preparation process of the high-performance film-wound micro-nanofiber yarn according to claim 6, wherein in the step (2), the hot-drafting treatment process for preparing the high-performance micro-nanofiber yarn by the hot-drafting treatment comprises the following steps: the hot air and the external force are utilized to carry out the drafting treatment, the drafting temperature is 1 ℃ to 500 ℃, the drafting multiple is 0.1 time to 1000 times, and the drafting tension is 0.1N to 1000N.
8. The preparation process of the high-performance membrane-wound micro-nanofiber yarn according to claim 7, wherein in the step (2), the twisting treatment process for preparing the high-performance micro-nanofiber yarn by twisting treatment comprises the following steps: the number of twisted strands is 1 to 1000, the twist number is 0.5 twist/10 cm to 5000 twist/10 cm, and the twisting direction includes Z twist and S twist.
9. The preparation process of the high-performance membrane-wound micro-nanofiber yarn according to claim 8, wherein in the step (2), the micro-nanofiber yarn obtained in the step (1) of the hot-drawing treatment is subjected to composite twisting to obtain the high-performance micro-nanofiber yarn, wherein the micro-nanofiber yarn obtained in the step (1) of the hot-drawing treatment is subjected to drawing treatment by using hot air and external force, and the process parameters are as follows: the drafting temperature is 1 ℃ to 500 ℃, the drafting multiple is 0.1 times to 1000 times, and the drafting tension is 0.1N to 1000N; the technical parameters of the micro-nano fiber yarn obtained in the twisting treatment step (1) are as follows: the twisting twist is 0.5 twist/10 cm to 5000 twist/10 cm, the twisting direction comprises Z twist and S twist, and the technological parameters for carrying out composite twisting treatment on the micro-nano fiber yarn obtained in the step (1) of hot drafting treatment are as follows: the number of twisted strands is 1 to 1000, the twist number is 0.5 twist/10 cm to 5000 twist/10 cm, and the twisting direction includes Z twist and S twist.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302673A (en) * | 2008-05-22 | 2008-11-12 | 西安工程大学 | Electrostatic spinning nano-fibre yarn system and preparation of nano-fiber yarn |
| CN103266365A (en) * | 2013-05-20 | 2013-08-28 | 东华大学 | Device and method for twisting electrostatic spinning nanofiber into yarn in jetting mode |
| CN106110396A (en) * | 2016-05-18 | 2016-11-16 | 江苏工程职业技术学院 | A kind of nerve trachea containing microchannel and oriented nanofibers and preparation method thereof |
| WO2020232930A1 (en) * | 2019-05-21 | 2020-11-26 | 江西先材纳米纤维科技有限公司 | Preparation process for and use of super-high-count pi-psa electrospun fiber long-staple yarn |
| CN112095158A (en) * | 2020-09-14 | 2020-12-18 | 青岛大学 | Flexible inorganic nanofiber yarn and preparation method thereof |
| KR102229117B1 (en) * | 2019-11-29 | 2021-03-17 | 한국세라믹기술원 | SiC FINE FIBER HAVING CURL STRUCTURE, MANUFACTURING METHOD THEREOF, COMPLEX YARN USING THE SAME AND MANUFACTURING METHOD THEREOF |
| CN113388928A (en) * | 2021-06-15 | 2021-09-14 | 青岛大学 | Spinning and drafting integrated high-performance micro-nanofiber yarn preparation device and method |
-
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- 2022-09-15 CN CN202211121428.2A patent/CN115449936B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302673A (en) * | 2008-05-22 | 2008-11-12 | 西安工程大学 | Electrostatic spinning nano-fibre yarn system and preparation of nano-fiber yarn |
| CN103266365A (en) * | 2013-05-20 | 2013-08-28 | 东华大学 | Device and method for twisting electrostatic spinning nanofiber into yarn in jetting mode |
| CN106110396A (en) * | 2016-05-18 | 2016-11-16 | 江苏工程职业技术学院 | A kind of nerve trachea containing microchannel and oriented nanofibers and preparation method thereof |
| WO2020232930A1 (en) * | 2019-05-21 | 2020-11-26 | 江西先材纳米纤维科技有限公司 | Preparation process for and use of super-high-count pi-psa electrospun fiber long-staple yarn |
| KR102229117B1 (en) * | 2019-11-29 | 2021-03-17 | 한국세라믹기술원 | SiC FINE FIBER HAVING CURL STRUCTURE, MANUFACTURING METHOD THEREOF, COMPLEX YARN USING THE SAME AND MANUFACTURING METHOD THEREOF |
| CN112095158A (en) * | 2020-09-14 | 2020-12-18 | 青岛大学 | Flexible inorganic nanofiber yarn and preparation method thereof |
| CN113388928A (en) * | 2021-06-15 | 2021-09-14 | 青岛大学 | Spinning and drafting integrated high-performance micro-nanofiber yarn preparation device and method |
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