CN108396430A - A kind of production method of high-strength and high-modulus vortex spinning sewing yarn - Google Patents
A kind of production method of high-strength and high-modulus vortex spinning sewing yarn Download PDFInfo
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- CN108396430A CN108396430A CN201810298108.1A CN201810298108A CN108396430A CN 108396430 A CN108396430 A CN 108396430A CN 201810298108 A CN201810298108 A CN 201810298108A CN 108396430 A CN108396430 A CN 108396430A
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- Prior art keywords
- fiber
- vortex spinning
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- modulus
- spinning
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Classifications
-
- 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
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/46—Sewing-cottons or the like
-
- 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
- D01H13/28—Heating or cooling arrangements for yarns
-
- 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
- D01H4/02—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 imparting twist by a fluid, e.g. air vortex
-
- 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
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
Abstract
The present invention provides a kind of production method of high-strength and high-modulus vortex spinning sewing yarn, and steps are as follows：Select polyester staple fiber as air vortex spinning raw material；Staple fiber is obtained into the fiber carded sliver by Blowing carding process, specifically first pass around opening picking unit by staple fiber shredding, removal of impurities, be uniformly mixed, fiber is transported to carding machine by continuous feeding case, fibre bundle is combed into single fiber state by carding machine, forms the fiber carded sliver；It by the fiber carded sliver by three draftings, carries out and closes, drawing-off, keep straightening of fibers parallel, obtain fiber ripe bar；Fiber ripe bar is sent into vortex spinning equipment to spin, spindle is heated using high temperature compressed air heating in spinning process, the fiber ripe bar into after nozzle is set along spindle perficial helical looping resultant yarn, to form cheese under high temperature environment, that is, high-strength and high-modulus vortex spinning sewing yarn is made.The technological process of production of the invention is short, recruitment is few, and output is big, and the sewing yarn single thread ultimate strength produced is big.
Description
Technical field
The present invention relates to spinninging technical field more particularly to a kind of production methods of high-strength and high-modulus vortex spinning sewing yarn.
Background technology
In existing technology, sewing mostly uses greatly RING SPINNING technology with yarn and spins, by blowing, cotton carding, drafting, thick
Yarn and spinning process produce sewing thread yarn, can be only achieved sewing thread after being then plied to strand by doubling and twisting process
Requirement, prior art long flow path, the amount of labour used are big, energy consumption is big, production cost is high.In addition, ring spinning yarn filoplume is more, item
The dry irregularity sewing thread for making it make such as larger is not bright and clean enough, stitching is not smooth enough.
Invention content
The technical issues of solution：For the existing production technology long flow path for spinning sewing yarn, the amount of labour used is big, energy consumption is big, raw
It produces the shortcomings of of high cost, the present invention provides a kind of production method of high-strength and high-modulus vortex spinning sewing yarn, is produced with the production technology
Sewing yarn, has that technological process is short, recruitment is few, and production cost is reduced, efficient, and the yarn intensity produced is big, single thread
Intensity be can reach the intensity of sewing thread, and item is dry uniform, while have air vortex spinning any surface finish, filoplume are few, wearability is strong,
The advantages that anti-fluffing and anti-pilling.
Technical solution：A kind of production method of high-strength and high-modulus vortex spinning sewing yarn, the production stage of this method are as follows：
(1) raw material selects：
Select the polyester staple fiber of the long lower shrinkage type of high intensity flatness as air vortex spinning raw material；
(2) Blowing carding process：
Staple fiber is obtained into the fiber carded sliver by Blowing carding process, comprises the concrete steps that and first passes around opening picking unit by short fibre
It ties up shredding, removal of impurities, be uniformly mixed, fiber is then transported to by carding machine by continuous feeding case, carding machine combs fibre bundle
At single fiber state, the fiber carded sliver is formed, compared with traditional production technology, Blowing carding process is to make traditional opening picking and cotton carding
Two-step is directly connected to, and cancels unreasonable technique that is coiled and replacing " shredding again of shredding-compression-" with gradually opening,
Carded sliver short fiber content reduces, and flow is short to take up an area less, and energy consumption is small, substantially without atmosphere pollution；
(3) mixing in doubling step：
It by the fiber carded sliver by three draftings, carries out and closes, drawing-off, keep straightening of fibers parallel, obtain fiber ripe bar；
(4) vortex spinning process：
Fiber ripe bar is sent into vortex spinning equipment to spin, high temperature compressed air heating pair is used in spinning process
Spindle is heated, and the fiber ripe bar into after nozzle is made along spindle perficial helical looping resultant yarn, to be formed under high temperature environment
High-strength and high-modulus vortex spinning sewing yarn is made in cheese, after sewing yarn returns room temperature, spiral between making fiber of expanding with heat and contract with cold is embedded more
Compact, looping it is closer, fibre-fibre friction power increases, and sliding is reduced, and entire yarn strength is promoted.
The fibre length of polyester staple fiber is 28mm~42mm in step (1) described above, fiber linear density is
1.56dtex~2.78dtex, single fiber fracture strength are 7~9cN/dtex, and elongation at break is 18~23%, 180 DEG C of xeothermic receipts
Shrinkage is 3.5~5.5%.
The control parameter of Blowing carding process is as follows in step (2) described above：Cylinder rotating speed is 300~500r/min,
Licker-in rotating speed is 750~1000r/min, and doffer speed is 30~50r/min, and machine is arrived before cover board and Bearded-needle knitted cloth interval distance slave
After be followed successively by 12/1000 inch, 11/1000 inch, 11/1000 inch, 10/1000 inch, 10/1000 inch, 11/1000 English
Very little, cover board linear velocity is 100~180mm/min, and sliver exporting speed is 100~200mm/min, and weight of card sliver is 4.0~6.0g/m.
It is few impure since industrial polyester staple fiber length is more neat, and without natural crimp, obvolvent force difference, the decision of these characteristics
Its carding process should not use at high speed, the Process configuration of strong point of comb, tight gauge.
The control parameter of mixing in doubling step is as follows in step (3) described above：
Head is simultaneously：It using 6~8 and closes, 6.0~8.0, roller gauge is 12~25 for total draft multiple control, shaping speed
Degree is 250~400mm/min, quantification of 4.0~5.5g/m；
Two simultaneously：It using 6~8 and closes, 7.0~9.0, roller gauge is 12~25 for total draft multiple control, shaping speed
Degree is 250~450mm/min, quantification of 4.0~5.5g/m；
Three simultaneously：It using 6~8 and closes, 8.0~9.0, roller gauge is 10~24 for total draft multiple control, shaping speed
Degree is 300~450mm/min, quantification of 4.0~5.5g/m.
Step (4) high temperature compressed air temperature described above is 50~60 DEG C, and vortex spinning process control parameter is as follows：
Nozzle air pressure be 0.48~0.58Mpa, spinning speed be 320~480m/min, feeding than be 0.92~1.00, batch than for
0.94~1.04, spinning tension is 100~200mN, and condensers specification is 2~4mm, and traversing angle is 15~18deg.
Advantageous effect：A kind of production method of high-strength and high-modulus vortex spinning sewing yarn provided by the invention has beneficial below
Effect：
1. the present invention produces pure polyester sewing yarn using vortex spinning technique, washing for the long lower shrinkage type of high intensity flatness is selected
Synthetic fibre staple fiber is raw material, and staple line density is larger, and fiber is thicker, when spinning the yarn with number, the fiber of yarn looping
Radical is few, and slipping fibre is few in yarn, and extension at break reduces, and sewing is made to be not easy to extend and be bounced back with yarn；
2. in spinning process, spindle is heated by using high temperature compressed air heating, makes fiber in high temperature
Middle completion looping forms yarn, after returning room temperature, due to expanding with heat and contract with cold, makes in yarn that fiber looping is closer, yarn breakage intensity carries
It is high；
3. the vortex spinning technique of the present invention, technological process is short, recruitment is few, and output is big, can greatly reduce cost, improves production
Amount and benefit；
4. the sewing yarn that the production method of the present invention is prepared has higher strength, can reach RING SPINNING strand
Strongly, and have many advantages, such as that air vortex spinning filoplume is few, bright and clean, wearability is strong, be used for the sewing of clothes, intensity height is easily broken, line
Mark is smooth, does not bounce back, and has certain market prospects in sewing yarn field.
Specific implementation mode
Embodiment 1
Line density is the production method of 19.7tex high-strength and high-modulus vortex spinning sewing yarns, and the production stage of this method is as follows：
(1) raw material selects：
It is 38mm to select fibre length, fiber linear density 1.78dtex, single fiber fracture strength are 7.8cN/dtex, fracture
Elongation be 18%, 180 DEG C of dry-hot shrinkage be 4% polyester staple fiber as air vortex spinning raw material；
(2) Blowing carding process：
First pass around opening picking unit by staple fiber shredding, removal of impurities, be uniformly mixed, then by continuous feeding case by fiber
It is transported to carding machine, fibre bundle is combed into single fiber state by carding machine, forms the fiber carded sliver, the control parameter of Blowing carding process
It is as follows：Cylinder rotating speed is 350r/min, and licker-in rotating speed is 850r/min, doffer speed 42r/min, between cover board and Bearded-needle knitted cloth
Before gauge slave to be followed successively by after machine 12/1000 inch, 11/1000 inch, 11/1000 inch, 10/1000 inch, 10/1000
Inch, 11/1000 inch, cover board linear velocity be 140mm/min, sliver exporting speed 150mm/min, weight of card sliver 5.0g/m；
(3) mixing in doubling step：
It by the fiber carded sliver by three draftings, carries out and closes, drawing-off, keep straightening of fibers parallel, obtain fiber ripe bar, drafting
The control parameter of process is as follows：
Head is simultaneously：Using 8 and close, total draft multiple control 6.5, roller gauge (before, during and after) be 16 × 12 × 22,
Sliver exporting speed is 250mm/min, quantification of 5.0g/m,
Two simultaneously：Using 8 and close, total draft multiple control 7.2, roller gauge (before, during and after) be 14 × 12 × 22,
Sliver exporting speed is 280mm/min, quantification of 4.8g/m,
Three simultaneously：It using 8 and closes, total draft multiple control is 8.5, and (forward and backward) roller gauge is 12 × 23, sliver exporting speed
For 350mm/min, quantification of 4.6g/m,
(4) vortex spinning process：
Fiber ripe bar exports after roller draft from front roller nip, and is spun the vortex institute formed in nozzle immediately
The negative pressure of generation sucks to form core fibre, when the end of fiber is detached from front roller, expands, is covered in hollow because of eddy current effect
Spindle surface, and turned round along fixed hollow inner wall, with travelling forward for sliver, fiber ends, which are wound on yarn core, makes yarn
Line obtain the twist and form cheese, spindle is heated using high temperature compressed air heating in spinning process, make into
Enter the fiber ripe bar after nozzle under high temperature environment along spindle perficial helical looping resultant yarn, wherein high temperature compressed air temperature is
75 DEG C, vortex spinning process control parameter is as follows：Nozzle air pressure is 0.52Mpa, spinning speed 380m/min, and feeding ratio is
0.97, it batches than being 1, spinning tension 160mN, condensers specification is 4mm, and traversing angle is 17deg.
Embodiment 2
Line density is the production method of 19.7tex high-strength and high-modulus vortex spinning sewing yarns, and the production stage of this method is as follows：
(1) raw material selects：
It is 36mm to select fibre length, fiber linear density 1.56dtex, single fiber fracture strength are 7.2cN/dtex, fracture
Elongation be 21%, 180 DEG C of dry-hot shrinkage be 4.5% polyester staple fiber as air vortex spinning raw material；
(2) Blowing carding process：
First pass around opening picking unit by staple fiber shredding, removal of impurities, be uniformly mixed, then by continuous feeding case by fiber
It is transported to carding machine, fibre bundle is combed into single fiber state by carding machine, forms the fiber carded sliver, the control parameter of Blowing carding process
It is as follows：Cylinder rotating speed is 350r/min, and licker-in rotating speed is 850r/min, doffer speed 42r/min, between cover board and Bearded-needle knitted cloth
To being followed successively by 12/1000 inch after machine before gauge slave, 11/1000 inch, 11/1000 inch, 10/1000 inch, 10/1000
Inch, 11/1000 inch, cover board linear velocity is 140mm/min, sliver exporting speed 150mm/min, weight of card sliver 5.0g/m；
(3) mixing in doubling step：
It by the fiber carded sliver by three draftings, carries out and closes, drawing-off, keep straightening of fibers parallel, obtain fiber ripe bar, drafting
The control parameter of process is as follows：
Head is simultaneously：Using 8 and close, total draft multiple control 6.5, roller gauge (before, during and after) be 16 × 12 × 22,
Sliver exporting speed is 250mm/min, quantification of 5.0g/m,
Two simultaneously：Using 8 and close, total draft multiple control 7.2, roller gauge (before, during and after) be 14 × 12 × 22,
Sliver exporting speed is 280mm/min, quantification of 4.8g/m,
Three simultaneously：It using 8 and closes, total draft multiple control is 8.5, and (forward and backward) roller gauge is 12 × 23, sliver exporting speed
For 350mm/min, quantification of 4.6g/m；
(4) vortex spinning process：
Fiber ripe bar exports after roller draft from front roller nip, and is spun the vortex institute formed in nozzle immediately
The negative pressure of generation sucks to form core fibre, when the end of fiber is detached from front roller, expands, is covered in hollow because of eddy current effect
Spindle surface, and turned round along fixed hollow inner wall, with travelling forward for sliver, fiber ends, which are wound on yarn core, makes yarn
Line obtain the twist and form cheese, spindle is heated using high temperature compressed air heating in spinning process, make into
Enter the fiber ripe bar after nozzle under high temperature environment along spindle perficial helical looping resultant yarn, wherein high temperature compressed air temperature is
65 DEG C, vortex spinning process control parameter is as follows：Nozzle air pressure is 0.50Mpa, spinning speed 390m/min, and feeding ratio is
0.98, it batches than being 1.02, spinning tension 150mN, condensers specification is 4mm, and traversing angle is 17deg.
Embodiment 3
Line density is the production method of 19.7tex high-strength and high-modulus vortex spinning sewing yarns, and the production stage of this method is as follows：
(1) raw material selects：
It is 40mm to select fibre length, fiber linear density 1.67dtex, single fiber fracture strength are 7.5cN/dtex, fracture
Elongation be 20%, 180 DEG C of dry-hot shrinkage be 5.0% polyester staple fiber as air vortex spinning raw material；
(2) Blowing carding process：
First pass around opening picking unit by staple fiber shredding, removal of impurities, be uniformly mixed, then by continuous feeding case by fiber
It is transported to carding machine, fibre bundle is combed into single fiber state by carding machine, forms the fiber carded sliver, the control parameter of Blowing carding process
It is as follows：Cylinder rotating speed is 350r/min, and licker-in rotating speed is 850r/min, doffer speed 42r/min, between cover board and Bearded-needle knitted cloth
To being followed successively by 12/1000 inch after machine before gauge slave, 11/1000 inch, 11/1000 inch, 10/1000 inch, 10/1000
Inch, 11/1000 inch, cover board linear velocity is 140mm/min, sliver exporting speed 150mm/min, weight of card sliver 5.0g/m；
(3) mixing in doubling step：
It by the fiber carded sliver by three draftings, carries out and closes, drawing-off, keep straightening of fibers parallel, obtain fiber ripe bar, drafting
The control parameter of process is as follows：
Head is simultaneously：Using 8 and close, total draft multiple control 6.5, roller gauge (before, during and after) be 16 × 12 × 22,
Sliver exporting speed is 250mm/min, quantification of 5.0g/m,
Two simultaneously：Using 8 and close, total draft multiple control 7.2, roller gauge (before, during and after) be 14 × 12 × 22,
Sliver exporting speed is 280mm/min, quantification of 4.8g/m,
Three simultaneously：It using 8 and closes, total draft multiple control is 8.5, and (forward and backward) roller gauge is 12 × 23, sliver exporting speed
For 350mm/min, quantification of 4.6g/m；
(4) vortex spinning process：
Fiber ripe bar exports after roller draft from front roller nip, and is spun the vortex institute formed in nozzle immediately
The negative pressure of generation sucks to form core fibre, when the end of fiber is detached from front roller, expands, is covered in hollow because of eddy current effect
Spindle surface, and turned round along fixed hollow inner wall, with travelling forward for sliver, fiber ends, which are wound on yarn core, makes yarn
Line obtain the twist and form cheese, spindle is heated using high temperature compressed air heating in spinning process, make into
Enter the fiber ripe bar after nozzle under high temperature environment along spindle perficial helical looping resultant yarn, wherein high temperature compressed air temperature is
70 DEG C, vortex spinning process control parameter is as follows：Nozzle air pressure is 0.56Mpa, spinning speed 360m/min, and feeding ratio is 1.0,
It batches than being 1.03, spinning tension 165mN, condensers specification is 4mm, and traversing angle is 17deg.
Yarn property detects：
Yam linear is carried out to the high-strength and high-modulus vortex spinning sewing yarn of the 19.7tex obtained by the production technology of Examples 1 to 3
It can detect, itself and GB/T 6836-2007 standard polyster fibre sewing thread high-class products are compared, obtained such as the following table 1 data.
1 yarn property correction data of table
As can be seen from Table 1, the three kinds of embodiments provided using the present invention can reach national standard to same specification terylene
The high-class product requirement of sewing thread, wherein best using the sewing yarn performance that the mode of production of embodiment 1 obtains.
The embodiment of the present invention is described in detail above, for those of ordinary skill in the art, according to the present invention
The thought of embodiment, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (5)
1. a kind of production method of high-strength and high-modulus vortex spinning sewing yarn, it is characterised in that the production stage of this method is as follows：
(1) raw material selects：
Select polyester staple fiber as air vortex spinning raw material；
(2) Blowing carding process：
Staple fiber is obtained into the fiber carded sliver by Blowing carding process, comprises the concrete steps that first passing around opening picking unit opens staple fiber
Pine, is uniformly mixed removal of impurities, fiber is then transported to carding machine by continuous feeding case, fibre bundle is combed into list by carding machine
Fiber condition forms the fiber carded sliver；
(3) mixing in doubling step：
It by the fiber carded sliver by three draftings, carries out and closes, drawing-off, keep straightening of fibers parallel, obtain fiber ripe bar；
(4) vortex spinning process：
Fiber ripe bar is sent into vortex spinning equipment to spin, using high temperature compressed air heating to spindle in spinning process
It is heated, the fiber ripe bar into after nozzle is made along spindle perficial helical looping resultant yarn, to form bobbin under high temperature environment
High-strength and high-modulus vortex spinning sewing yarn is made in yarn.
2. a kind of production method of high-strength and high-modulus vortex spinning sewing yarn according to claim 1, it is characterised in that：The step
Suddenly the fibre length of polyester staple fiber is 28mm~42mm in (1), fiber linear density is 1.56dtex~2.78dtex, single fiber is disconnected
Resistance to spalling is 7~9cN/dtex, and elongation at break is that 18~23%, 180 DEG C of dry-hot shrinkages are 3.5~5.5%.
3. a kind of production method of high-strength and high-modulus vortex spinning sewing yarn according to claim 1, it is characterised in that the step
Suddenly the control parameter of Blowing carding process is as follows in (2)：Cylinder rotating speed is 300~500r/min, and licker-in rotating speed is 750~1000r/
Min, doffer speed are 30~50r/min, before cover board and Bearded-needle knitted cloth interval distance slave to be followed successively by after machine 12/1000 inch,
11/1000 inch, 11/1000 inch, 10/1000 inch, 10/1000 inch, 11/1000 inch, cover board linear velocity be 100~
180mm/min, sliver exporting speed are 100~200mm/min, and weight of card sliver is 4.0~6.0g/m.
4. a kind of production method of high-strength and high-modulus vortex spinning sewing yarn according to claim 1, it is characterised in that the step
Suddenly the control parameter of mixing in doubling step is as follows in (3)：
Head is simultaneously：It using 6~8 and closes, 6.0~8.0, roller gauge is 12~25 for total draft multiple control, and sliver exporting speed is
250~400mm/min, quantification of 4.0~5.5g/m；
Two simultaneously：It using 6~8 and closes, 7.0~9.0, roller gauge is 12~25 for total draft multiple control, and sliver exporting speed is
250~450mm/min, quantification of 4.0~5.5g/m；
Three simultaneously：It using 6~8 and closes, 8.0~9.0, roller gauge is 10~24 for total draft multiple control, and sliver exporting speed is
300~450mm/min, quantification of 4.0~5.5g/m.
5. a kind of production method of high-strength and high-modulus vortex spinning sewing yarn according to claim 1, it is characterised in that the step
Suddenly (4) high temperature compressed air temperature is 60~80 DEG C, and vortex spinning process control parameter is as follows：Nozzle air pressure be 0.48~
0.58Mpa, spinning speed are 320~480m/min, and feeding is batched than being 0.94~1.04, spinning than being 0.92~1.00
Power is 100~200mN, and condensers specification is 2~4mm, and traversing angle is 15~18deg.
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| CN201810298108.1A CN108396430A (en) | 2018-04-04 | 2018-04-04 | A kind of production method of high-strength and high-modulus vortex spinning sewing yarn |
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| CN201810298108.1A CN108396430A (en) | 2018-04-04 | 2018-04-04 | A kind of production method of high-strength and high-modulus vortex spinning sewing yarn |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114574981A (en) * | 2021-12-07 | 2022-06-03 | 浙江恒逸高新材料有限公司 | Preparation method of polyester staple fiber special for vortex spinning |
| US11359309B2 (en) | 2018-12-21 | 2022-06-14 | Target Brands, Inc. | Ring spun yarn and method |
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| JP2007162145A (en) * | 2005-11-15 | 2007-06-28 | Murata Mach Ltd | Spinning apparatus |
| CN101302674A (en) * | 2007-05-10 | 2008-11-12 | 上海七棉协联纱线有限公司 | Terylene covered sewing thread and preparation thereof |
| CN105133111A (en) * | 2015-07-24 | 2015-12-09 | 吴江京奕特种纤维有限公司 | Blended yarn production technology by vortex spinning |
| CN105506809A (en) * | 2015-12-03 | 2016-04-20 | 上海曙雀贸易有限公司 | Flame retardant molten-drop-resistant high-strength sewing thread |
| CN107059198A (en) * | 2017-04-11 | 2017-08-18 | 苏州世祥生物纤维有限公司 | A kind of preparation method of sewing thread production yarn |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007162145A (en) * | 2005-11-15 | 2007-06-28 | Murata Mach Ltd | Spinning apparatus |
| CN101302674A (en) * | 2007-05-10 | 2008-11-12 | 上海七棉协联纱线有限公司 | Terylene covered sewing thread and preparation thereof |
| CN105133111A (en) * | 2015-07-24 | 2015-12-09 | 吴江京奕特种纤维有限公司 | Blended yarn production technology by vortex spinning |
| CN105506809A (en) * | 2015-12-03 | 2016-04-20 | 上海曙雀贸易有限公司 | Flame retardant molten-drop-resistant high-strength sewing thread |
| CN107059198A (en) * | 2017-04-11 | 2017-08-18 | 苏州世祥生物纤维有限公司 | A kind of preparation method of sewing thread production yarn |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11359309B2 (en) | 2018-12-21 | 2022-06-14 | Target Brands, Inc. | Ring spun yarn and method |
| US11767618B2 (en) | 2018-12-21 | 2023-09-26 | Target Brands, Inc. | Ring spun yarn and method |
| CN114574981A (en) * | 2021-12-07 | 2022-06-03 | 浙江恒逸高新材料有限公司 | Preparation method of polyester staple fiber special for vortex spinning |
| CN114574981B (en) * | 2021-12-07 | 2023-02-28 | 浙江恒逸高新材料有限公司 | Preparation method of polyester staple fiber special for vortex spinning |
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Application publication date: 20180814 |