CN112226843A - Production process of compound-color polyester staple fiber - Google Patents
Production process of compound-color polyester staple fiber Download PDFInfo
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- CN112226843A CN112226843A CN202010980426.3A CN202010980426A CN112226843A CN 112226843 A CN112226843 A CN 112226843A CN 202010980426 A CN202010980426 A CN 202010980426A CN 112226843 A CN112226843 A CN 112226843A
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- polyester staple
- zinc oxide
- staple fiber
- pet material
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- 239000000835 fiber Substances 0.000 title claims abstract description 59
- 229920000728 polyester Polymers 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical class [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000011787 zinc oxide Substances 0.000 claims abstract description 21
- 238000005282 brightening Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000004806 packaging method and process Methods 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 8
- 238000002074 melt spinning Methods 0.000 claims abstract description 6
- 238000007781 pre-processing Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 45
- 238000009987 spinning Methods 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 15
- 238000007664 blowing Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000007654 immersion Methods 0.000 claims description 10
- 239000000049 pigment Substances 0.000 claims description 10
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 10
- 238000002791 soaking Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 239000002216 antistatic agent Substances 0.000 abstract description 3
- 229910052709 silver Inorganic materials 0.000 abstract description 3
- 239000004332 silver Substances 0.000 abstract description 3
- 230000001954 sterilising effect Effects 0.000 abstract description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
Abstract
The invention relates to the technical field of compound color polyester staple fibers, in particular to a production process of compound color polyester staple fibers, which comprises the following steps: s1, preprocessing; s2, mixing; s3, melt spinning; s4, cooling; s5, drafting; s6, packaging, wherein compared with the traditional antistatic agent, the modified zinc oxide powder adopted by the invention has better conductive effect, and avoids polyester staple fiber agglomeration, wherein silver not only plays a conductive role, but also plays a sterilization role, and the nano zinc oxide can play an auxiliary role in the conductivity, and meanwhile, the nano zinc oxide is white small particles, is compounded in the polyester staple fiber, can play a role in brightening the polyester staple fiber, and can effectively improve the product quality.
Description
Technical Field
The invention relates to the technical field of compound color polyester staple fibers, in particular to a production process of compound color polyester staple fibers.
Background
The polyester staple fiber is obtained by spinning polyester into a tow and cutting the tow. PET is in the shape of rice grains or flakes, and has various colors (usually, polyester is the main component which contacts many beverage bottles, and the PET can be sliced into polyester staple fibers through two main procedures of pre-spinning and post-spinning, and the polyester staple fibers can be cut into the polyester staple fibers with different specifications in the post-spinning according to different requirements, generally 4D-22D, and can be divided into two-dimensional and three-dimensional types according to the curling condition). 75 percent of the polyester is used for chemical fiber, and the polyester staple fiber and the polyester filament yarn are manufactured according to the requirements of the textile industry.
At present, static electricity is easy to accumulate in the processing process of the multi-color polyester staple fiber, so that the polyester staple fiber is easy to agglomerate, the color dispersion is not uniform enough to a certain extent, and the quality of a product is influenced.
Therefore, we propose a production process of the multi-color polyester staple fiber to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a production process of composite-color polyester staple fibers.
A production process of compound-color polyester staple fibers comprises the following steps:
s1, preprocessing: cleaning the recycled regenerated PET material, and drying the surface moisture for later use;
s2, mixing treatment: drying the pretreated regenerated PET material for 5.5-6.5 h by using a vacuum drum dryer, adding modified zinc oxide powder, brightening agent and pigment, and uniformly stirring by using a stirrer to obtain a mixed regenerated PET material;
s3, melt spinning: feeding the mixed regenerated PET material into a screw extruder for heating and melting, filtering the molten mixture by a spinning box and distributing the mixture by a metering pump, and then spinning the mixture into tows by a spinneret plate;
s4, cooling treatment: cooling the tows by annular secondary air, and leading the primary fiber tows through a yarn guide machine to enter an oil immersion tank;
s5, drafting: after oil immersion, performing secondary drafting between the first drafting machine and the second drafting machine to finish 60% of the total drafting multiple, and performing secondary drafting between the second drafting machine and the third drafting machine to finish 40% of the total drafting multiple;
s6, packaging: and (3) overlapping, preheating, curling and cutting the drafted fibers according to production requirements, then feeding the fibers into a relaxation setting machine, detecting the quality of the set fibers, and performing classified packaging on qualified products.
Preferably, in the step S2, the drying temperature of the vacuum drum dryer is 165-180 ℃.
Preferably, in S2, the mass ratio of the modified zinc oxide powder to the recycled PET material is (0.05-0.12): 1, the mass ratio of the brightening agent to the regenerated PET material is (0.005-0.01): 1, the mass ratio of the pigment to the recycled PET material is (0.008-0.02): 1.
preferably, in S2, a softener and a softener are further added during the mixing process, wherein the mass ratio of the softener to the recycled PET material is (0.003-0.008): 1, the mass ratio of the softener to the regenerated PET material is (0.005-0.01): 1.
preferably, the preparation method of the modified zinc oxide powder comprises the following steps of soaking zinc oxide in a silver nitrate solution, drying after soaking, and calcining for 1-1.5 hours in a muffle furnace at 380-420 ℃ to obtain the modified zinc oxide powder, wherein the particle size of the zinc oxide is 100-200 nm, and the zinc oxide accounts for 96.5-98.5% of the total mass fraction of the modified zinc oxide powder.
Preferably, in the S3, the temperatures of a screw and a spinning box of the screw extruder are 280-285 ℃, the supply amount of the metering pump is 2200-2300 g/min, the spinning speed is 1100-1250 m/min, the aperture of a spinneret plate is 0.2mm, the number of holes is 3500, and the layout of the spinneret plate is 14 circles.
Preferably, in the S4, the ring blowing temperature is 20-25 ℃, and the ring blowing speed is 4.0-6.0 m/S.
Preferably, in the S5, the total draft ratio is 2.8 to 3.
Preferably, the composite color polyester staple fiber is prepared according to the production process.
The invention has the beneficial effects that: compared with the traditional antistatic agent, the modified zinc oxide powder adopted by the invention has better conductive effect, avoids polyester staple fibers from agglomerating, wherein silver not only plays a conductive role, but also plays a sterilization role, and the nano zinc oxide can play an auxiliary role in the conductivity, and simultaneously is white small particles, so that the nano zinc oxide is compounded in the polyester staple fibers, can play a brightening effect on the polyester staple fibers, and can effectively improve the product quality.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
In embodiment 1, a production process of a multicolor polyester staple fiber comprises the following steps:
s1, preprocessing: cleaning the recycled regenerated PET material, and drying the surface moisture for later use;
s2, mixing treatment: drying the pretreated regenerated PET material for 5.5h by using a vacuum drum dryer, adding modified zinc oxide powder, a brightening agent and a pigment, and uniformly stirring by using a stirrer to obtain a mixed regenerated PET material;
s3, melt spinning: feeding the mixed regenerated PET material into a screw extruder for heating and melting, filtering the molten mixture by a spinning box and distributing the mixture by a metering pump, and then spinning the mixture into tows by a spinneret plate;
s4, cooling treatment: cooling the tows by annular secondary air, and leading the primary fiber tows through a yarn guide machine to enter an oil immersion tank;
s5, drafting: after oil immersion, performing secondary drafting between the first drafting machine and the second drafting machine to finish 60% of the total drafting multiple, and performing secondary drafting between the second drafting machine and the third drafting machine to finish 40% of the total drafting multiple;
s6, packaging: and (3) overlapping, preheating, curling and cutting the drafted fibers according to production requirements, then feeding the fibers into a relaxation setting machine, detecting the quality of the set fibers, and performing classified packaging on qualified products.
Further, in S2, the drying temperature of the vacuum drum dryer was 165 ℃.
Further, in S2, the mass ratio of the modified zinc oxide powder to the recycled PET material is 0.05: 1, the mass ratio of the brightening agent to the regenerated PET material is 0.005: 1, the mass ratio of the pigment to the recycled PET material is 0.008: 1.
further, in S2, a softener and a softener are added during the mixing process, wherein the mass ratio of the softener to the recycled PET material is 0.003: 1, the mass ratio of the softener to the regenerated PET material is 0.005: 1.
further, the preparation method of the modified zinc oxide powder comprises the following steps of soaking zinc oxide in a silver nitrate solution, drying after soaking, and calcining for 1h in a muffle furnace at 380 ℃ to obtain the modified zinc oxide powder, wherein the particle size of the zinc oxide is 100-200 nm, and the zinc oxide accounts for 96.5% of the total mass of the modified zinc oxide powder.
Further, in S3, the temperature of the screw extruder and the temperature of the box body of the spinning box are both 280 ℃, the supply amount of the metering pump is 2200g/min, the spinning speed is 1100g/min, the aperture of the spinneret plate is 0.2mm, the number of holes is 3500, and the layout of the spinneret plate is 14 circles.
Further, in S4, the circular blowing temperature is 20 ℃, and the circular blowing speed is 4.0 m/S.
Further, in S5, the total draft ratio was 2.8 times.
Further, the composite color polyester staple fiber is prepared according to the production process.
In embodiment 2, a production process of a multicolor polyester staple fiber comprises the following steps:
s1, preprocessing: cleaning the recycled regenerated PET material, and drying the surface moisture for later use;
s2, mixing treatment: drying the pretreated regenerated PET material for 6.5 hours by using a vacuum drum dryer, adding modified zinc oxide powder, a brightening agent and a pigment, and uniformly stirring by using a stirrer to obtain a mixed regenerated PET material;
s3, melt spinning: feeding the mixed regenerated PET material into a screw extruder for heating and melting, filtering the molten mixture by a spinning box and distributing the mixture by a metering pump, and then spinning the mixture into tows by a spinneret plate;
s4, cooling treatment: cooling the tows by annular secondary air, and leading the primary fiber tows through a yarn guide machine to enter an oil immersion tank;
s5, drafting: after oil immersion, performing secondary drafting between the first drafting machine and the second drafting machine to finish 60% of the total drafting multiple, and performing secondary drafting between the second drafting machine and the third drafting machine to finish 40% of the total drafting multiple;
s6, packaging: and (3) overlapping, preheating, curling and cutting the drafted fibers according to production requirements, then feeding the fibers into a relaxation setting machine, detecting the quality of the set fibers, and performing classified packaging on qualified products.
Further, in S2, the drying temperature of the vacuum drum dryer is 165-180 ℃.
Further, in S2, the mass ratio of the modified zinc oxide powder to the recycled PET material is 0.12: 1, the mass ratio of the brightening agent to the regenerated PET material is 0.01: 1, the mass ratio of the pigment to the recycled PET material is 0.02: 1.
further, in S2, a softener and a softener are added during the mixing process, wherein the mass ratio of the softener to the recycled PET material is 0.008: 1, the mass ratio of the softener to the regenerated PET material is 0.01: 1.
further, the preparation method of the modified zinc oxide powder comprises the following steps of soaking zinc oxide in a silver nitrate solution, drying after soaking, and calcining for 1.5 hours in a muffle furnace at 420 ℃ to obtain the modified zinc oxide powder, wherein the particle size of the zinc oxide is 100-200 nm, and the zinc oxide accounts for 98.5% of the total mass fraction of the modified zinc oxide powder.
Further, in S3, the temperature of the screw extruder and the temperature of the box body of the spinning box are both 285 ℃, the supply of the metering pump is 2300g/min, the spinning speed is 1250m/min, the aperture of the spinneret plate is 0.2mm, the number of holes is 3500, and the layout of the spinneret plate is 14 circles.
Further, in S4, the circular blowing temperature is 25 ℃, and the circular blowing speed is 6.0 m/S.
Further, in S5, the total draft ratio was 3 times.
In embodiment 3, a production process of a multicolor polyester staple fiber comprises the following steps:
s1, preprocessing: cleaning the recycled regenerated PET material, and drying the surface moisture for later use;
s2, mixing treatment: drying the pretreated regenerated PET material for 6 hours by using a vacuum drum dryer, adding modified zinc oxide powder, a brightening agent and a pigment, and uniformly stirring by using a stirrer to obtain a mixed regenerated PET material;
s3, melt spinning: feeding the mixed regenerated PET material into a screw extruder for heating and melting, filtering the molten mixture by a spinning box and distributing the mixture by a metering pump, and then spinning the mixture into tows by a spinneret plate;
s4, cooling treatment: cooling the tows by annular secondary air, and leading the primary fiber tows through a yarn guide machine to enter an oil immersion tank;
s5, drafting: after oil immersion, performing secondary drafting between the first drafting machine and the second drafting machine to finish 60% of the total drafting multiple, and performing secondary drafting between the second drafting machine and the third drafting machine to finish 40% of the total drafting multiple;
s6, packaging: and (3) overlapping, preheating, curling and cutting the drafted fibers according to production requirements, then feeding the fibers into a relaxation setting machine, detecting the quality of the set fibers, and performing classified packaging on qualified products.
Further, in S2, the drying temperature of the vacuum drum dryer was 170 ℃.
Further, in S2, the mass ratio of the modified zinc oxide powder to the recycled PET material is 0.09: 1, the mass ratio of the brightening agent to the regenerated PET material is 0.008: 1, the mass ratio of the pigment to the recycled PET material is 0.01: 1.
further, in S2, a softener and a softener are added during the mixing process, wherein the mass ratio of the softener to the recycled PET material is 0.005: 1, the mass ratio of the softener to the regenerated PET material is 0.008: 1.
further, the preparation method of the modified zinc oxide powder comprises the following steps of soaking zinc oxide in a silver nitrate solution, drying after soaking, and calcining for 1.5 hours in a muffle furnace at 400 ℃ to obtain the modified zinc oxide powder, wherein the particle size of the zinc oxide is 100-200 nm, and the zinc oxide accounts for 97% of the total mass of the modified zinc oxide powder.
Further, in S3, the temperature of the screw extruder and the temperature of the box body of the spinning box are both 282 ℃, the supply amount of the metering pump is 2250g/min, the spinning speed is 1200m/min, the aperture of the spinneret plate is 0.2mm, the number of holes is 3500, and the layout of the spinneret plate is 14 circles.
Further, in S4, the circular blowing temperature is 22 ℃, and the circular blowing speed is 5.0 m/S.
Further, in S5, the total draft ratio was 2.9 times.
In examples 1 to 3, compared with the conventional antistatic agent, the modified zinc oxide powder adopted in the invention has a better conductive effect, wherein silver not only plays a role in conductivity, but also plays a role in sterilization, and the nano zinc oxide can play an auxiliary role in conductivity, and meanwhile, the nano zinc oxide is white small particles, and is compounded in the polyester staple fibers, so that the effect of brightening the polyester staple fibers can be achieved, and the quality of the product can be effectively improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The production process of the composite color polyester staple fiber is characterized by comprising the following steps of:
s1, preprocessing: cleaning the recycled regenerated PET material, and drying the surface moisture for later use;
s2, mixing treatment: drying the pretreated regenerated PET material for 5.5-6.5 h by using a vacuum drum dryer, adding modified zinc oxide powder, brightening agent and pigment, and uniformly stirring by using a stirrer to obtain a mixed regenerated PET material;
s3, melt spinning: feeding the mixed regenerated PET material into a screw extruder for heating and melting, filtering the molten mixture by a spinning box and distributing the mixture by a metering pump, and then spinning the mixture into tows by a spinneret plate;
s4, cooling treatment: cooling the tows by annular secondary air, and leading the primary fiber tows through a yarn guide machine to enter an oil immersion tank;
s5, drafting: after oil immersion, performing secondary drafting between the first drafting machine and the second drafting machine to finish 60% of the total drafting multiple, and performing secondary drafting between the second drafting machine and the third drafting machine to finish 40% of the total drafting multiple;
s6, packaging: and (3) overlapping, preheating, curling and cutting the drafted fibers according to production requirements, then feeding the fibers into a relaxation setting machine, detecting the quality of the set fibers, and performing classified packaging on qualified products.
2. The process for producing multicolor polyester staple fiber according to claim 1, wherein in the step S2, the drying temperature of the vacuum drum dryer is 165-180 ℃.
3. The production process of the multicolor polyester staple fiber according to claim 1, wherein in the S2, the mass ratio of the modified zinc oxide powder to the regenerated PET material is (0.05-0.12): 1, the mass ratio of the brightening agent to the regenerated PET material is (0.005-0.01): 1, the mass ratio of the pigment to the recycled PET material is (0.008-0.02): 1.
4. the production process of the multicolor polyester staple fiber according to claim 3, wherein in the step of S2, a softener and a softener are added in the mixing process, wherein the mass ratio of the softener to the regenerated PET material is (0.003-0.008): 1, the mass ratio of the softener to the regenerated PET material is (0.005-0.01): 1.
5. the production process of the multicolor polyester staple fiber according to claim 4, wherein the preparation method of the modified zinc oxide powder comprises the following steps of soaking zinc oxide in a silver nitrate solution, drying after soaking, and calcining for 1h-1.5h in a muffle furnace at 380-420 ℃, wherein the particle size of zinc oxide is 100-200 nm, and the zinc oxide accounts for 96.5-98.5% of the total mass fraction of the modified zinc oxide powder.
6. The production process of the multicolor polyester staple fiber according to claim 1, wherein in S3, the temperature of the screw and the manifold of the screw extruder is 280-285 ℃, the supply amount of the metering pump is 2200-2300 g/min, the spinning speed is 1100-1250 m/min, the aperture of the spinneret plate is 0.2mm, the number of holes is 3500, and the layout of the spinneret plate is 14 circles.
7. The production process of the multicolor polyester staple fiber according to claim 1, wherein in the S4, the circular blowing temperature is 20-25 ℃, and the circular blowing speed is 4.0-6.0 m/S.
8. The process for producing multicolor polyester staple fiber according to claim 1, wherein in the step S5, the total draft multiple is 2.8 to 3.
9. A multicolor polyester staple fiber prepared according to the production process of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010980426.3A CN112226843A (en) | 2020-09-17 | 2020-09-17 | Production process of compound-color polyester staple fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010980426.3A CN112226843A (en) | 2020-09-17 | 2020-09-17 | Production process of compound-color polyester staple fiber |
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| CN112226843A true CN112226843A (en) | 2021-01-15 |
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| CN202010980426.3A Pending CN112226843A (en) | 2020-09-17 | 2020-09-17 | Production process of compound-color polyester staple fiber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198423A (en) * | 2022-07-25 | 2022-10-18 | 沈云 | Antibacterial flame-retardant polyester fabric and preparation method thereof |
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| US20150044449A1 (en) * | 2013-08-12 | 2015-02-12 | PurThread Technologies, Inc. | Antimicrobial and Antifungal Polymer Fibers, Fabrics, and Methods of Manufacture Thereof |
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| CN110409012A (en) * | 2019-07-16 | 2019-11-05 | 福建百宏聚纤科技实业有限公司 | A kind of antibiotic polyester fiber and preparation method thereof |
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2020
- 2020-09-17 CN CN202010980426.3A patent/CN112226843A/en active Pending
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| CN1800454A (en) * | 2006-01-09 | 2006-07-12 | 东华大学 | Antibacterial PET fiber and process for making same |
| CN102517685A (en) * | 2011-12-16 | 2012-06-27 | 杭州贝斯特化纤有限公司 | Production process for coloured polyester staple fibre |
| US20150044449A1 (en) * | 2013-08-12 | 2015-02-12 | PurThread Technologies, Inc. | Antimicrobial and Antifungal Polymer Fibers, Fabrics, and Methods of Manufacture Thereof |
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| CN115198423B (en) * | 2022-07-25 | 2023-12-05 | 杭州道贤智能科技有限责任公司 | Antibacterial flame-retardant polyester fabric and preparation method thereof |
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