CN109629018A - A kind of preparation method regenerating two-dimentional ten hole unstressed configuration fibers - Google Patents
A kind of preparation method regenerating two-dimentional ten hole unstressed configuration fibers Download PDFInfo
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- CN109629018A CN109629018A CN201910037983.9A CN201910037983A CN109629018A CN 109629018 A CN109629018 A CN 109629018A CN 201910037983 A CN201910037983 A CN 201910037983A CN 109629018 A CN109629018 A CN 109629018A
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- 239000000835 fiber Substances 0.000 title claims abstract description 28
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000003921 oil Substances 0.000 claims abstract description 15
- 238000002074 melt spinning Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 7
- 238000002036 drum drying Methods 0.000 claims description 6
- 238000009998 heat setting Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 238000002788 crimping Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 10
- 230000006835 compression Effects 0.000 abstract description 8
- 238000007906 compression Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 description 12
- 238000001514 detection method Methods 0.000 description 5
- 239000006081 fluorescent whitening agent Substances 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
- 229920004933 Terylene® Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- 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
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/106—Filtering
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
-
- 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
- D01D5/12—Stretch-spinning methods
- D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
-
- 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
- D01D5/247—Discontinuous hollow structure or microporous structure
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a kind of preparation methods for regenerating two-dimentional ten hole unstressed configuration fibers, include the following steps: (1) drum dried；(2) melt spinning；(3) it is cooled and shaped；(4) it winds；(5) drawing-off；(6) it crimps；(7) it oils；(8) thermal finalization；(9) it cuts off, obtains regenerating two-dimentional ten hole unstressed configuration fibrous finished products.Unstressed configuration fiber E value compressive recovery rate made from the method for the present invention is high, and light load heavy load compressive recovery rate is low, soft, fluffy degree is good, convenient for vacuum compression packed and transported, while fiber hole wall is thin, light, patch skin is more preferable, meets requirement of the people to heat preservation and comfort.
Description
Technical field
The invention belongs to polyester fiber production technical fields, more particularly, to a kind of two-dimentional ten hole unstressed configuration fibers of regeneration
Preparation method.
Background technique
Terylene (i.e. polyester fiber) is the important species of synthetic fibers, it is a kind of important textile raw material.Traditional washs
It is commonly incorporated into fluorescent whitening agent in the production of synthetic fibre fiber, especially addition fluorescent whitening agent OB -1.The fluorescent whitening agent is a kind of nothing
The finish compound of color, can absorbing wavelength be 300-400nm ultraviolet light, the energy of absorption is converted and gives off 400-
The purple or blue-fluorescence of 500nm can make up the white articles such as white plastic to slight absorption within the scope of visible light intermediate waves
Blue light, offset the yellow that therefore shows of article, it is more aobvious pure white to be allowed to appearance.
But excessive fluorescer can cause harm to the human body, with the improvement of living standards, safety of the people to textile
Property and comfort have higher requirement.Common thick single doughnut E value compressive recovery rate is commonly lower currently on the market, gently
Load heavy load compressive recovery rate is higher, and fiber quality is harder, and fluffy degree is poor, and thermal insulation plaster skin performance is to be improved, therefore having must
Developing one kind not only can be reduced using fluorescent whitening agent, but also finished product can be made to have the unstressed configuration of good gas permeability and comfort fine
Dimension.
Summary of the invention
In order to solve the problems in the existing technology, the object of the present invention is to provide a kind of two-dimentional ten holes of regeneration without
The preparation method of fluorescent fiber, unstressed configuration fiber E value compressive recovery rate made from this method is high, light load heavy load compression reaction
Rate is low, soft, and fluffy degree is good, is convenient for vacuum compression packed and transported, while fiber hole wall is thin, light, patch skin is more preferable, full
Requirement of the sufficient people to heat preservation and comfort.
To achieve the goals above, the present invention provides a kind of preparation method for regenerating two-dimentional ten hole unstressed configuration fibers, packets
Include following steps:
(1) drum dried: regenerative PET material is dry with vacuum drum drying machine, and drying temperature is 155~165 DEG C, drying
Time 8.5~9.5 hours, vacuum degree was 0.080~0.085MPa, and drying is completed in raw material moisture control within 100ppm；
(2) the regenerative PET material after drying melt spinning: is sent into screw extruder heating melting, the PET material of molten condition
Filtered by manifold, spin manifold temperature be 275~285 DEG C, filter before pressure be 8.0~8.2MPa, after filtering pressure be 3.5~
3.8MPa, then by spinneret spinneret at tow, the spinneret micropore design is arranged by 9 miniature C word holes in plum blossom-shaped
Column are combined into a main aperture；
(3) be cooled and shaped: tow formed by ring wind quenching, temperature is 20~22 DEG C, center wind speed for 6.0~
6.2m/s；
(4) it winds: in such a way that compressed air is drawn, being sent into fiber barrel after the tow of each dispersion is wound boundling；
(5) drawing-off: boundling is stretched through drafting machine, the total multiplying power of drawing-off be 3.0~3.2,60~70 DEG C of drawing-off oil bath temperature；
(6) crimp: the boundling after drawing-off is sent into crimping machine curling, controls 5/25mm；
(7) it oils: being oiled using oil spray machine to the boundling after curling；
(8) thermal finalization: carrying out thermal finalization by heat setting machine for the boundling after oiling, and setting temperature is 174~176 DEG C,
Time is 20~40min；
(9) it cuts off, obtains regenerating two-dimentional ten hole unstressed configuration fibrous finished products.
Preferably, the regenerative PET material uses after the excitation of 365m fluorescence, the raw material of not aobvious fluorescent, impurity index, such as
PVC content, ABS content, non-terylene content, low melting point content etc. control within 0.03%.The present invention manufactured program-controlled
It makes necessary strict inspection to control, it is ensured that there is no fluorescent pollutant component, while strict control impurity index, runaway
Will have a direct impact on spinnability causes wire vent bad, such as phenomena such as fracture of wire, lousiness, head silk, rupture silk.
Preferably, the rotary drum drying temperature be 160 DEG C, drying time 9 hours, vacuum degree 0.085MPa.The present invention
For strict control water content within 100PPm, moisture is higher after drying for regenerative PET material, more severe, the spinnability of PET solution degradation
Poorer, wire vent is bad, or even cannot normal spinning.
Preferably, spin manifold temperature is 280 DEG C during the melt spinning, and pressure is 8.0MPa before filtering, and is pressed after filtering
Power is 3.5MPa, cancels internal sea sand filter layer, improves melt viscosity to reduce wire vent resistance, promoted spinnability and product at
Hole stability.
Preferably, the ring blowing cooling thermostatic control is at 21 DEG C, and center blast velocity control is in 6.0m/s.
Preferably, the total multiplying power of the drawing-off be 3.0,68 DEG C of drawing-off oil bath temperature；
Preferably, the heat setting temperature is 175 DEG C, time 30min.
The present invention also provides a kind of two-dimentional ten hole unstressed configuration fibers of regeneration, line density 10dtex, ten hole fibers at
Porosity is not less than 95.0%.The present invention manufactured by strict control fiber during related process parameters, each step
Mutually at an entirety a kind of two-dimentional ten hole unstressed configuration fibers of regeneration are successfully made, E value compressive recovery rate is high, light negative in collaboration
Loading load compression response rate is low, soft, and fluffy degree is good, is convenient for vacuum compression packed and transported, while fiber hole wall is thin, matter
Gently, patch skin is more preferable, meets requirement of the people to heat preservation and comfort.
Beneficial effects of the present invention:
1, ten hole fibre section shapes of the invention are poroid at honeycomb plum blossom ten, and are free of fluorescent.
2, ten hole fiber E value compressive recovery rates are high, light load heavy load compressive recovery rate is low, convenient for vacuum compression packaging fortune
Defeated, fabric hand is soft, and fluffy degree is good.
3, ten hole fibre section hole walls are thin, light, patch skin is more preferable, while ten hole via designs are heat-insulated, heat insulation effect is good.
Specific embodiment
The present invention is described in further detail below by embodiment, but the present invention is not limited solely to following embodiment.
Embodiment 1
(1) drum dried: regenerative PET material is dry with vacuum drum drying machine, and drying temperature is 160 DEG C, drying time 9
Hour, drying is completed in vacuum degree 0.085MPa, raw material moisture control within 100ppm；
(2) the regenerative PET material after drying melt spinning: is sent into screw extruder heating melting, the PET material of molten condition
It is filtered by manifold, spin manifold temperature is 280 DEG C, and pressure is 8.0MPa before filtering, and pressure is 3.5MPa after filtering, then passes through spray
Filament plate spinneret is evenly distributed with permutation and combination into a master in plum blossom-shaped by 9 miniature C word holes at tow, the spinneret micropore design
Hole；
(3) it is cooled and shaped: tow is formed by ring wind quenching, temperature is 21 DEG C, and center wind speed is 6.0m/s；
(4) it winds: in such a way that compressed air is drawn, being sent into fiber barrel after the tow of each dispersion is wound boundling；
(5) drawing-off: boundling is stretched through drafting machine, the total multiplying power of drawing-off be 3.0,68 DEG C of drawing-off oil bath temperature；
(6) crimp: the boundling after drawing-off is sent into crimping machine curling, controls 5/25mm；
(7) it oils: being oiled using oil spray machine to the boundling after curling；
(8) thermal finalization: the boundling after oiling is subjected to thermal finalization by heat setting machine, setting temperature is 175 DEG C, and the time is
30min；
(9) it cuts off, obtains regenerating two-dimentional ten hole unstressed configuration fibrous finished products.
Comparative example 1
(1) drum dried: regenerative PET material is dry with vacuum drum drying machine, and drying temperature is 160 DEG C, drying time 9
Hour, drying is completed in vacuum degree 0.085MPa, raw material moisture control in 100~150ppm；
(2) the regenerative PET material after drying melt spinning: is sent into screw extruder heating melting, the PET material of molten condition
It is filtered by manifold, spin manifold temperature is 280 DEG C, and pressure is 10.0MPa before filtering, and pressure is 4.5MPa after filtering, then is passed through
Spinneret spinneret is evenly distributed with permutation and combination into a master in plum blossom-shaped by 9 miniature C word holes at tow, the spinneret micropore design
Hole；
(3) it is cooled and shaped: tow is formed by ring wind quenching, temperature is 21 DEG C, and center wind speed is 4.5m/s；
(4) it winds: in such a way that compressed air is drawn, being sent into fiber barrel after the tow of each dispersion is wound boundling；
(5) drawing-off: boundling is stretched through drafting machine, the total multiplying power of drawing-off be 3.0,68 DEG C of drawing-off oil bath temperature；
(6) crimp: the boundling after drawing-off is sent into crimping machine curling, controls 5/25mm；
(7) it oils: being oiled using oil spray machine to the boundling after curling；
(8) thermal finalization: the boundling after oiling is subjected to thermal finalization by heat setting machine, setting temperature is 175 DEG C, and the time is
30min；
(9) it cuts off, obtains regenerating two-dimentional ten hole unstressed configuration fibrous finished products.
Abnormity is carried out through textile and clothing production Quality Supervision and Inspection Center, country, textile testing research institute, Zhejiang Province (Zhejiang)
Degree detection (report number: Guo Fangwei word 201840436), thermal property detect (report number: Guo Fangwei word 201839197
Number), compression recovery performance detection (report number: Guo Fangwei word 201842597), data are as shown in table 1, table 2, table 3:
The detection of 1 degree of profile of table
The detection of 2 thermal property of table
The detection of 3 compression recovery performance of table
Claims (8)
1. a kind of preparation method for regenerating two-dimentional ten hole unstressed configuration fibers, includes the following steps:
(1) drum dried: regenerative PET material is dry with vacuum drum drying machine, and drying temperature is 155~165 DEG C, drying time
8.5~9.5 hours, vacuum degree was 0.080~0.085MPa, and drying is completed in raw material moisture control within 100ppm；
(2) melt spinning: the regenerative PET material after drying is sent into screw extruder heating melting, the PET of molten condition expects to pass through
Manifold filtering, spin manifold temperature be 275~285 DEG C, filter before pressure be 8.0~8.2MPa, after filtering pressure be 3.5~
3.8MPa, then by spinneret spinneret at tow, the spinneret micropore design is arranged by 9 miniature C word holes in plum blossom-shaped
Column are combined into a main aperture；
(3) it is cooled and shaped: tow is formed by ring wind quenching, temperature is 20~22 DEG C, and center wind speed is 6.0~6.2m/
s；
(4) it winds: in such a way that compressed air is drawn, being sent into fiber barrel after the tow of each dispersion is wound boundling；
(5) drawing-off: boundling is stretched through drafting machine, the total multiplying power of drawing-off be 3.0~3.2,60~70 DEG C of drawing-off oil bath temperature；
(6) crimp: the boundling after drawing-off is sent into crimping machine curling, controls 5/25mm；
(7) it oils: being oiled using oil spray machine to the boundling after curling；
(8) thermal finalization: the boundling after oiling is subjected to thermal finalization by heat setting machine, setting temperature is 174~176 DEG C, the time
For 20~40min；
(9) it cuts off, obtains regenerating two-dimentional ten hole unstressed configuration fibrous finished products.
2. preparation method according to claim 1, it is characterised in that: the regenerative PET material is used to be excited in 365m fluorescence
Afterwards, the raw material of not aobvious fluorescent, impurity norm controlling is within 0.03%.
3. preparation method according to claim 1, it is characterised in that: the rotary drum drying temperature is 160 DEG C, drying time
9 hours, vacuum degree 0.085MPa.
4. preparation method according to claim 1, it is characterised in that: spin manifold temperature is 280 during the melt spinning
DEG C, pressure is 8.0MPa before filtering, and pressure is 3.5MPa after filtering, cancels internal sea sand filter layer.
5. preparation method according to claim 1, it is characterised in that: the ring blowing cooling thermostatic control is at 21 DEG C, center
Blast velocity control is in 6.0m/s.
6. preparation method according to claim 1, it is characterised in that: the total multiplying power of drawing-off is 3.0, drawing-off oil bath temperature
68℃。
7. preparation method according to claim 1, it is characterised in that: the heat setting temperature is 175 DEG C, and the time is
30min。
8. a kind of preparation method according to claim 1-7 is obtained to regenerate two-dimentional ten hole unstressed configuration fibers,
Be characterized in that: its line density is 10dtex, and ten hole fiber one-tenth porosities are not less than 95.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037983.9A CN109629018A (en) | 2019-01-14 | 2019-01-14 | A kind of preparation method regenerating two-dimentional ten hole unstressed configuration fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037983.9A CN109629018A (en) | 2019-01-14 | 2019-01-14 | A kind of preparation method regenerating two-dimentional ten hole unstressed configuration fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109629018A true CN109629018A (en) | 2019-04-16 |
Family
ID=66062136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910037983.9A Pending CN109629018A (en) | 2019-01-14 | 2019-01-14 | A kind of preparation method regenerating two-dimentional ten hole unstressed configuration fibers |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2579917Y (en) * | 2002-09-27 | 2003-10-15 | 上海联畅化学纤维厂 | Spinning plate for nine hole irregular fibre |
| EP1514959A1 (en) * | 2002-09-05 | 2005-03-16 | Nan Ya Plastics Corporation | Manufacturing method for polyester yarn |
| CN102534844A (en) * | 2011-12-16 | 2012-07-04 | 杭州贝斯特化纤有限公司 | Production technology of non-fluorescence down-like polyester staple fibers |
| CN202730335U (en) * | 2012-05-25 | 2013-02-13 | 苏州东帝纺织有限公司 | Spinneret with quincuncial orifices |
| CN103541039A (en) * | 2012-08-08 | 2014-01-29 | 江苏德赛化纤有限公司 | Multifunctional modified polyester staple fiber and preparation method of same |
| CN105887247A (en) * | 2014-09-26 | 2016-08-24 | 张家港锦亿化纤有限公司 | Preparation technology of regenerated polyester filament |
| CN107557888A (en) * | 2017-08-24 | 2018-01-09 | 广东宝汇环保科技有限公司 | A kind of production method of PET bottle regenerated polyester fiber |
-
2019
- 2019-01-14 CN CN201910037983.9A patent/CN109629018A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1514959A1 (en) * | 2002-09-05 | 2005-03-16 | Nan Ya Plastics Corporation | Manufacturing method for polyester yarn |
| CN2579917Y (en) * | 2002-09-27 | 2003-10-15 | 上海联畅化学纤维厂 | Spinning plate for nine hole irregular fibre |
| CN102534844A (en) * | 2011-12-16 | 2012-07-04 | 杭州贝斯特化纤有限公司 | Production technology of non-fluorescence down-like polyester staple fibers |
| CN202730335U (en) * | 2012-05-25 | 2013-02-13 | 苏州东帝纺织有限公司 | Spinneret with quincuncial orifices |
| CN103541039A (en) * | 2012-08-08 | 2014-01-29 | 江苏德赛化纤有限公司 | Multifunctional modified polyester staple fiber and preparation method of same |
| CN105887247A (en) * | 2014-09-26 | 2016-08-24 | 张家港锦亿化纤有限公司 | Preparation technology of regenerated polyester filament |
| CN107557888A (en) * | 2017-08-24 | 2018-01-09 | 广东宝汇环保科技有限公司 | A kind of production method of PET bottle regenerated polyester fiber |
Non-Patent Citations (1)
| Title |
|---|
| 白伦: "《长丝工艺学（2版）》", 31 August 2018, 东华大学出版社 * |
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Application publication date: 20190416 |