CN114855313B - Manufacturing method of air-coated yarn - Google Patents
Manufacturing method of air-coated yarn Download PDFInfo
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- CN114855313B CN114855313B CN202210677144.5A CN202210677144A CN114855313B CN 114855313 B CN114855313 B CN 114855313B CN 202210677144 A CN202210677144 A CN 202210677144A CN 114855313 B CN114855313 B CN 114855313B
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- winding
- air
- electric telescopic
- plate
- tensioning
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/40—Removing running yarn from the yarn forming region, e.g. using tubes
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/10—Tension devices
- D01H13/104—Regulating tension by devices acting on running yarn and not associated with supply or take-up devices
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/32—Counting, measuring, recording or registering devices
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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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
- D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
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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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses a manufacturing method of an air-coated yarn, which comprises the following steps: step one, uniformly mixing two different slicing raw materials, and then carrying out melt spinning to obtain a composite fiber precursor; and step two, cooling, oiling, stretching, shaping and winding the composite fiber precursor to obtain the composite fiber. Step three, taking spandex fiber as core yarn, and adopting an air cladding machine to carry out air cladding on the spandex fiber and the spandex fiber to obtain air cladding yarn; the winding device of the air cladding machine comprises a tensioning mechanism; the tensioning mechanism comprises a tensioning support, a first electric telescopic device with a downward output end is arranged at the top of the tensioning support, a lifting plate is connected with the first electric telescopic device, a pressing plate is connected to the lower portion of the lifting plate, a pressure sensor in contact with the pressing plate is arranged at the bottom of the lifting plate, and a tensioning wheel is connected to the lower portion of the pressing plate. The manufacturing method of the air-coated yarn can enable the air-coated yarn to be in a tensioning state in the winding process, and is beneficial to improving the winding quality.
Description
Technical Field
The invention relates to a manufacturing method of an air-covered yarn.
Background
Along with the economic development and the improvement of living standard in China, people are required to wear the garment conveniently, comfortably, easily, closely, and can show beautiful shape and freely stretch along with the movement of human bodies. The traditional characteristics of the natural fiber or the synthetic fiber and the spinning method at present can not meet the requirement of consumers on diversification and functionalization of clothes. Therefore, the technology of compounding two (or more) component fibers (filaments) into yarn becomes a main trend of new technical development in the textile industry at present, the spandex coated filament is one of spandex elastic yarn varieties, and is a composite yarn formed by coating an elongated elastic yarn with a spandex core and a synthetic fiber filament or staple yarn in a spiral manner. The air wrapping machine is special equipment for realizing the wrapping processing technology, the full automation of the wrapping process is realized through years of development in China, however, the existing air wrapping machine still has a certain problem, mainly the winding device of the air wrapping machine can be used for generating the condition that the air wrapping wire cannot be tensioned, and the winding efficiency and the winding quality can be influenced due to lower tension of the wrapping wire in the winding process.
Disclosure of Invention
The invention aims to provide a manufacturing method of an air-coated wire, which can ensure that the air-coated wire is in a tensioning state in the winding process by arranging a tensioning mechanism in a winding device, thereby being beneficial to improving the winding quality and meeting the winding requirement.
In order to achieve the above purpose, the technical scheme of the invention is to design a manufacturing method of an air-coated yarn, which comprises the following steps:
step one, mixing two different slicing raw materials, and carrying out melt spinning after uniformly mixing to obtain a composite fiber precursor;
step two, cooling, oiling, stretching, shaping and winding the obtained composite fiber precursor to obtain a composite fiber;
thirdly, taking spandex fiber as core yarn, and adopting an air cladding machine to carry out air cladding on the obtained composite fiber and the spandex fiber to obtain air cladding yarn; the winding device of the air covering yarn machine comprises a base, and a tensioning mechanism and a winding mechanism which are arranged on the base; the tensioning mechanism is located the upper reaches of winding mechanism, and this tensioning mechanism includes tensioning support, first electric telescopic ware and take-up pulley, the tensioning support includes stand and crossbeam, first electric telescopic ware sets up at the top of crossbeam, and the output of first electric telescopic ware runs through the crossbeam and is connected with the lifter plate, and the below of this lifter plate is equipped with the clamp plate, and the bottom of this lifter plate is equipped with pressure sensor and is located two guide arms of pressure sensor both sides respectively, pressure sensor contacts with the clamp plate, and pressure sensor and first electric telescopic ware electric connection, the bottom of guide arm runs through the clamp plate, be connected with the spring of cover locating the guide arm between clamp plate and the lifter plate, the bottom of this clamp plate is connected with the wheel carrier through the connecting rod, the rotatable installation of take-up pulley is in the wheel carrier, the air cladding silk passes from the below of take-up pulley.
Preferably, in the first step, the two different slice raw materials are any two of terylene, chinlon, PBT and PET.
Preferably, a limiting block is arranged at the bottom end of the guide rod.
Preferably, the winding mechanism comprises a winding bracket, a winding motor, a rotating shaft and a winding drum, wherein the winding bracket comprises a transverse plate and a vertical plate connected to one end of the transverse plate, the winding motor is arranged on the vertical plate, an output shaft of the winding motor penetrates through the vertical plate and is connected with the rotating shaft, the winding drum is sleeved on the rotating shaft, a key groove is formed in the inner wall of the winding drum, and a clamping key which is in sliding clamping connection with the key groove is arranged on the outer wall of the rotating shaft.
Preferably, the inside of pivot is equipped with the cavity, and the one end that this pivot was connected with the rolling motor is the blind end, and the other end of this pivot is the open end, the inside of cavity is equipped with the installation pole, and the axis of installation pole coincides with the axis of pivot, the one end and the blind end of installation pole are connected, and the other end of installation pole runs through the open end and is connected with the circular plate, this circular plate is equipped with two radial spouts towards the face of open end on the symmetry, and be equipped with two movable stop that are used for blockking to receive reel along pivot axial displacement between this circular plate and the open end, this two movable stop pass through slider and two radial spout sliding connection respectively, and each movable stop is close to the lateral part of installation pole and is equipped with first inclined plane, and is equipped with the T shape slide that sets up along its incline direction on the first inclined plane, the inside of cavity is equipped with two second electric telescopic handle, and these two electric telescopic handle sets up on the installation pole, and these two electric telescopic handle's output all are connected with the drive block, two drive block and two movable stop correspond, be equipped with the second inclined plane and T shape sliding connection one by one on each drive block.
Preferably, the outer wall of the closed end is provided with a hole, and an inductive switch is arranged in the hole and is electrically connected with the second electric telescopic device.
The invention has the advantages and beneficial effects that: the manufacturing method of the air-coated wire is provided, and the tensioning mechanism is arranged in the winding device, so that the air-coated wire is in a tensioning state in the winding process, the winding quality is improved, and the winding requirement is met.
Drawings
FIG. 1 is a schematic view of a winding apparatus according to the present invention.
Fig. 2 is a schematic view of a tensioning mechanism in accordance with the present invention.
Fig. 3 is an enlarged view at a in fig. 2.
FIG. 4 is a schematic view of a winding mechanism according to the present invention.
Fig. 5 is an enlarged view at B in fig. 4.
Fig. 6 is an enlarged view at C in fig. 4.
Fig. 7 is an enlarged view at D in fig. 4.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
The technical scheme of the invention is as follows:
as shown in fig. 1 to 7, a method for manufacturing an air-clad wire includes the steps of:
step one, mixing two different slicing raw materials, and carrying out melt spinning after uniformly mixing to obtain a composite fiber precursor;
step two, cooling, oiling, stretching, shaping and winding the obtained composite fiber precursor to obtain a composite fiber;
step three, taking spandex fiber as core yarn, and adopting an air cladding machine to carry out air cladding on the obtained composite fiber and the spandex fiber to obtain an air cladding yarn 100; the winding device of the air covering yarn machine comprises a base 1, and a tensioning mechanism and a winding mechanism which are arranged on the base 1; the tensioning mechanism is located the upper reaches of winding mechanism, and this tensioning mechanism includes tensioning support, first electric telescopic handle 2 and take-up pulley 3, tensioning support includes stand 4 and crossbeam 5, first electric telescopic handle 2 sets up at the top of crossbeam 5, and the output of first electric telescopic handle 2 runs through crossbeam 5 and is connected with lifter plate 6, the below of this lifter plate 6 is equipped with clamp plate 7, and the bottom of this lifter plate 6 is equipped with pressure sensor 8 and is located two guide arms 9 of pressure sensor 8 both sides respectively, pressure sensor 8 contacts with clamp plate 7, and pressure sensor 8 and first electric telescopic handle 2 electric connection, clamp plate 7 is run through to the bottom of guide arm 9, be connected with the spring 10 of cover locating guide arm 9 between clamp plate 7 and the lifter plate 6, the bottom of this clamp plate 7 is connected with wheel carrier 12 through connecting rod 11, take-up pulley 3 rotatable the installing in wheel carrier 12, air-clad wire 100 passes from the below of take-up pulley 3. By adopting the scheme, in the moving process of the air-coated wire 100, the tensioning wheel 3 presses the air-coated wire 100 and tightens the air-coated wire 100, so that the air-coated wire 100 is in a tightening state in the winding process, thereby being beneficial to improving the winding quality and meeting the winding requirement. And, pressure sensor 8 is used for detecting the pressure that clamp plate 7 applyed to it, and when pressure sensor 8 detects the pressure value and is less than preset pressure threshold value, will send first signal to first electric telescopic ware 2, and this moment first electric telescopic ware 2 will stretch out and drive lifter plate 6 and the take-up pulley 3 that is connected with lifter plate 6 down a certain distance, thereby prevent that air-clad wire 100 is too loose, and when pressure sensor 8 detects the pressure value and is greater than preset pressure threshold value, will send the second signal to first electric telescopic ware 2, this moment first electric telescopic ware 2 will retract and drive lifter plate 6 and the take-up pulley 3 that is connected with lifter plate 6 up a certain distance, thereby prevent that air-clad wire 100 is too tight, and then reach the purpose that makes air-clad wire 100 keep a certain tensioning force.
Further, in the first step, the two different slice raw materials are any two of terylene, chinlon, PBT and PET. By adopting the above scheme, the air-clad yarn 100 combines the common advantages of spandex and two other materials.
Further, a limiting block 13 is arranged at the bottom end of the guide rod 9.
Further, the winding mechanism comprises a winding bracket, a winding motor 14, a rotating shaft 15 and a winding drum 16, the winding bracket comprises a transverse plate 17 and a vertical plate 18 connected to one end of the transverse plate 17, the winding motor 14 is arranged on the vertical plate 18, an output shaft of the winding motor 14 penetrates through the vertical plate 18 and is connected with the rotating shaft 15, the winding drum 16 is sleeved on the rotating shaft 15, a key groove 19 is formed in the inner wall of the winding drum 16, and a clamping key 20 which is in sliding clamping connection with the key groove 19 is arranged on the outer wall of the rotating shaft 15. In the above scheme, the winding drum 16 can be sleeved outside the rotating shaft 15 through the matching of the key groove 19 and the clamping key 20, when the winding motor 14 starts to operate, the rotating shaft 15 is driven to rotate, and after the rotating shaft 15 rotates, the winding drum 16 is driven to rotate, so that the winding operation of the air-covered wire 100 is performed. In addition, as the winding drum 16 and the rotating shaft 15 are connected with the clamping key 20 in a matched manner through the key groove 19, the winding drum 16 is more convenient to operate when being replaced, and the production efficiency is improved.
Further, the inside of pivot 15 is equipped with cavity 21, and the one end that this pivot 15 was connected with rolling motor 14 is the blind end, and the other end of this pivot 15 is the open end, the inside of cavity 21 is equipped with installation pole 22, and the axis of installation pole 22 coincides with the axis of pivot 15, the one end and the blind end of installation pole 22 are connected, and the other end of installation pole 22 runs through the open end and is connected with circular plate 23, this circular plate 23 is equipped with two radial spouts towards the face symmetry of open end, and be equipped with two movable stop 24 that are used for stopping rolling drum 16 and follow pivot 15 axial displacement between this circular plate 23 and the open end, these two movable stop 24 pass through slider and two radial spouts sliding connection respectively, the lateral part that each movable stop 24 is close to installation pole 22 is equipped with first inclined plane 25, and be equipped with the T shape slide bar 26 that sets up along its incline direction on the first inclined plane 25, the inside of cavity 21 is equipped with two second electric telescopic handle 27, these two second electric telescopic handle 27 set up on installation pole 22, and the output end of these two electric telescopic handle 27 is equipped with two radial slide blocks 28 and two corresponding transmission blocks 29 on the first inclined plane and two corresponding T-shaped slide bar 24 and two corresponding transmission stop 24. By adopting the scheme, after the winding drum 16 is sleeved on the rotating shaft 15, the second electric telescopic device 27 is controlled to extend and drive the transmission block 28 to move towards the circular plate 23 for a certain distance, and as the transmission block 28 is matched with the movable stop block 24 through an inclined plane and is in sliding connection, the corresponding movable stop block 24 is driven to move away from the mounting rod 22 for a certain distance when the transmission block 28 moves, so that the movable stop block 24 is partially blocked at the outer side of the winding drum 16 and the axial movement of the winding drum 16 is limited, and the influence on the winding quality due to the axial movement of the winding drum 16 in the working process is avoided; when the winding drum 16 needs to be replaced, the second electric telescopic device 27 is controlled to retract and drive the transmission block 28 to move away from the circular plate 23 for a certain distance, at this time, the transmission block 28 drives the corresponding movable stop block 24 to move towards the mounting rod 22 for a certain distance, so that the blocking of the winding drum 16 is removed, and then the winding drum 16 can be removed from the rotating shaft 15.
Further, an installation hole is formed in the outer wall of the closed end, and an inductive switch 30 is installed in the installation hole, and the inductive switch 30 is electrically connected with the second electric telescopic device 27. By adopting the scheme, the induction switch 30 detects whether the winding drum 16 is sleeved in place, and when the induction switch 30 detects that the winding drum 16 is sleeved in place, a third signal is sent to the second electric telescopic device 27, so that the second electric telescopic device 27 stretches out, and the convenience of the winding drum 16 is effectively improved.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (2)
1. A method of manufacturing an air-clad yarn, comprising the steps of:
step one, mixing two different slicing raw materials, uniformly mixing, and then carrying out melt spinning to obtain a composite fiber precursor, wherein the two different slicing raw materials are any two of terylene, chinlon, PBT and PET;
step two, cooling, oiling, stretching, shaping and winding the obtained composite fiber precursor to obtain a composite fiber;
thirdly, taking spandex fiber as core yarn, and adopting an air cladding machine to carry out air cladding on the obtained composite fiber and the spandex fiber to obtain air cladding yarn; the winding device of the air covering yarn machine comprises a base, and a tensioning mechanism and a winding mechanism which are arranged on the base; the tensioning mechanism is located at the upstream of the winding mechanism and comprises a tensioning support, a first electric telescopic device and a tensioning wheel, the tensioning support comprises an upright post and a cross beam, the first electric telescopic device is arranged at the top of the cross beam, the output end of the first electric telescopic device penetrates through the cross beam and is connected with a lifting plate, a pressing plate is arranged below the lifting plate, a pressure sensor and two guide rods which are respectively located at two sides of the pressure sensor are arranged at the bottom of the lifting plate, the pressure sensor is in contact with the pressing plate, the pressure sensor is electrically connected with the first electric telescopic device, the bottom end of the guide rod penetrates through the pressing plate, a limiting block is arranged at the bottom end of the guide rod, a spring sleeved on the guide rod is connected between the pressing plate and the lifting plate, the bottom of the pressing plate is connected with a wheel carrier through a connecting rod, the tensioning wheel is rotatably arranged in the wheel carrier, and the air wrapping wire penetrates through the lower part of the tensioning wheel; the winding mechanism comprises a winding bracket, a winding motor, a rotating shaft and a winding drum, wherein the winding bracket comprises a transverse plate and a vertical plate connected to one end of the transverse plate, the winding motor is arranged on the vertical plate, an output shaft of the winding motor penetrates through the vertical plate and is connected with the rotating shaft, the winding drum is sleeved on the rotating shaft, a key slot is formed in the inner wall of the winding drum, and a clamping key which is in sliding clamping connection with the key slot is arranged on the outer wall of the rotating shaft; the inside of pivot is equipped with the cavity, and the one end that this pivot was connected with the rolling motor is the blind end, and the other end of this pivot is the open end, the inside of cavity is equipped with the installation pole, and the axis of installation pole coincides with the axis of pivot, the one end and the blind end of installation pole are connected, and the other end of installation pole runs through the open end and is connected with the circular plate, this circular plate is equipped with two radial spouts towards the face of open end on the symmetry, and be equipped with two movable stop pieces that are used for blockking to receive reel along pivot axial displacement between this circular plate and the open end, this two movable stop pieces pass through slider and two radial spout sliding connection respectively, each movable stop piece is close to the lateral part of installation pole and is equipped with first inclined plane, and is equipped with the T shape slide bar that sets up along its incline direction on the first inclined plane, the inside of cavity is equipped with two second electric telescopic handle, these two second electric telescopic handle sets up on the installation pole, and these two electric telescopic handle's output all is connected with the drive block, two the drive block corresponds with two movable stop pieces on the face, and each drive block is equipped with the second inclined plane that contacts with the T shape slide bar on the corresponding movable stop piece one by one.
2. The method of claim 1, wherein the outer wall of the closed end is provided with a hole in which an inductive switch is mounted, the inductive switch being electrically connected to the second electric retractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210677144.5A CN114855313B (en) | 2022-06-16 | 2022-06-16 | Manufacturing method of air-coated yarn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210677144.5A CN114855313B (en) | 2022-06-16 | 2022-06-16 | Manufacturing method of air-coated yarn |
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| Publication Number | Publication Date |
|---|---|
| CN114855313A CN114855313A (en) | 2022-08-05 |
| CN114855313B true CN114855313B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210677144.5A Active CN114855313B (en) | 2022-06-16 | 2022-06-16 | Manufacturing method of air-coated yarn |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0748886A2 (en) * | 1995-06-06 | 1996-12-18 | Dixie Yarns, Inc | System for forming elastomeric core/staple fiber wrap yarn using a spinning machine |
| CN101602449A (en) * | 2009-06-17 | 2009-12-16 | 山东同济机电有限公司 | Online detection of yarn tension and real-time control apparatus |
| CN105648584A (en) * | 2014-11-27 | 2016-06-08 | 村田机械株式会社 | Core yarn supplying device and spinning machine |
| CN205775052U (en) * | 2016-05-27 | 2016-12-07 | 抚州市靖淞科技纱业有限公司 | A kind of controllable type heart yarn tensioner |
| CN211057326U (en) * | 2019-11-06 | 2020-07-21 | 江苏华佳丝绸股份有限公司 | Covering yarn mixing device |
| CN113737341A (en) * | 2021-09-15 | 2021-12-03 | 武汉纺织大学 | Elastic sheath-core fiber and preparation method thereof |
-
2022
- 2022-06-16 CN CN202210677144.5A patent/CN114855313B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0748886A2 (en) * | 1995-06-06 | 1996-12-18 | Dixie Yarns, Inc | System for forming elastomeric core/staple fiber wrap yarn using a spinning machine |
| CN101602449A (en) * | 2009-06-17 | 2009-12-16 | 山东同济机电有限公司 | Online detection of yarn tension and real-time control apparatus |
| CN105648584A (en) * | 2014-11-27 | 2016-06-08 | 村田机械株式会社 | Core yarn supplying device and spinning machine |
| CN205775052U (en) * | 2016-05-27 | 2016-12-07 | 抚州市靖淞科技纱业有限公司 | A kind of controllable type heart yarn tensioner |
| CN211057326U (en) * | 2019-11-06 | 2020-07-21 | 江苏华佳丝绸股份有限公司 | Covering yarn mixing device |
| CN113737341A (en) * | 2021-09-15 | 2021-12-03 | 武汉纺织大学 | Elastic sheath-core fiber and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN114855313A (en) | 2022-08-05 |
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