CN105755608A - Flax-like fiber and preparation method thereof - Google Patents
Flax-like fiber and preparation method thereof Download PDFInfo
- Publication number
- CN105755608A CN105755608A CN201510751664.6A CN201510751664A CN105755608A CN 105755608 A CN105755608 A CN 105755608A CN 201510751664 A CN201510751664 A CN 201510751664A CN 105755608 A CN105755608 A CN 105755608A
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- fiber
- flaxen fiber
- hot tank
- imitative
- nozzle
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Classifications
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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
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
- D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
- D02G1/022—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting while simultaneously drawing the yarn
-
- 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
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
- D02G1/162—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam with provision for imparting irregular effects to the yarn
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
- D02J13/001—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass in a tube or vessel
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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
- D10B2331/04—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 invention discloses a flax-like fiber which is prepared by tensile deformation of single-strand pre-oriented polyester fibers through a false twisting machine; fluffy sections and ossified filament sections are alternatively and irregularly distributed in the length direction of the fibers; internal residual torque of the fibers is zero. The invention also provides a preparation method of the flax-like fiber. The preparation method comprises the following steps that the single-strand pre-oriented polyester fibers sequentially pass through a roller I, a first heat box, a cooling plate, a false twisting machine, a roller II, a second heat box, a spray nozzle and an oiler through a thread guiding device and are wound and formed to obtain the flax-like fiber; the flax-like fiber is sintered in the first heat box at high temperature, so that the fluffy sections and the ossified filament sections are alternatively and irregularly distributed in the length direction of the fibers. The flax-like fiber disclosed by the invention has the characteristics of good wrinkle resistance, good color fastness, stable morphology and good flax-like effect; the preparation method of the flax-like fiber is simple in production process and low in production cost, and facilitates large-scale production and application.
Description
Technical field
The present invention relates to a kind of chemical fibre and preparation method thereof, particularly to imitative flaxen fiber of one and preparation method thereof.
Background technology
The advantages such as pure flax fabric has due to the characteristic of flaxen fiber that damp and hot transmission is fast, good permeability, dress are nice and cool, follow the fashion with trend among pure flax fabric also rather well received, but being because flaxen fiber is the one in cellulose fibre, also weak point is had while there is distinctive natural quality, crease easily, dye loosely easily loose colour, meet water and easily shrink and deformation etc., flaxen fiber also because of raw material sources and the high problem of price and can not large-scale production, therefore, the imitative flaxen fiber of chemical fibre preparation is utilized to become a popular research direction.
The production technology of the orderly terylene slub silk of a kind of isotactic disclosed in Chinese invention patent CN104451919A, comprises the following steps: 1) polyester raw material cuts into slices and is delivered to wet feed storehouse, carries out aeration-drying after pre-crystallized；2) under melting condition, section enters screw extruder, enters manifold after filtration；3) measure through dosing pump, enter wire vent in filament spinning component；4) cross air blasting cooling forming, oils；5) traction stretching, thermal finalization；6) it is wound molding by winding head, prepares the orderly terylene slub silk of isotactic, namely prepare the orderly terylene slub silk of isotactic by spinning.Terylene slub silk prepared by the method is that isotactic is orderly due to ring, and weaving cloth cover effect out has picotement, but cloth cover lines is regular, irregular with the poor lines of pure flax fabric different greatly, imitative fiber crops effect is poor.
Therefore, utilize in the chemical fibre imitative flaxen fiber of preparation seeking, study that a kind of imitative natural ramie fiber is effective, wrinkle resistance good, color fastness good, the imitative flaxen fiber of form stable becomes an important topic.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of imitative flaxen fiber and preparation method thereof, have that wrinkle resistance is good, color fastness is good, form stable and an effective feature of imitative fiber crops.
The technical solution adopted for the present invention to solve the technical problems is: a kind of imitative flaxen fiber, alternate in fibre length direction is randomly distributed fluffy section and stiff silk section, and in fiber, residual torque is zero.
The fluffy segment length in fibre length direction is 5 ~ 100mm, and length heterogeneity is irregular；Stiff silk segment length is 5 ~ 100mm, and length heterogeneity is irregular.Fluffy section and stiff silk section irregularly distribute alternately in fibre length direction, and fiber surface is uneven does not have regularity, and the fabric that is made into is coarse picotement, and simulating hemp-simulating surfacing material lines is irregular, and imitative pure flax fabric lines is irregular effective.
The sub-thread preorientation polyester fiber adopted is prepared through spinning by polyester, and polyester is including but not limited to polyethylene terephthalate, PTT and polybutylene terephthalate (PBT).
The present invention further improves, polyester used is including but not limited to hydrophilically modified polyethylene terephthalate, hydrophilically modified PTT and hydrophilically modified polybutylene terephthalate (PBT), the imitative flaxen fiber making preparation has good hydrophilic, and the effect of imitative natural ramie fiber is obvious.
The present invention also provides for a kind of method preparing imitative flaxen fiber, it is characterised in that comprise the following steps:
Sub-thread preorientation polyester fiber sequentially passed through a roller by filar guide with the silk speed of 350 ~ 600m/min, , first hot tank, coldplate, scroll tube, two rollers, second hot tank, nozzle, oil tanker and coiler device molding, wherein the draw ratio between two rollers and a roller is 1.0 ~ 1.8, the temperature of the first hot tank is 210 ~ 255 DEG C, false twisting speed ratio is 1.1 ~ 1.7, the temperature of the second hot tank is low compared with the first heater temperature 20 ~ 50 DEG C, in nozzle, compressed-air actuated pressure is 0.05 ~ 0.5MPa, upper oil mass is the 1 ~ 3% of the imitative flaxen fiber weight of finished product, control coiling and molding by winding tension and make imitative flaxen fiber.
When sub-thread preorientation polyester fiber passes through the high temperature of a hot tank, owing to heater temperature is close to or up the softening temperature of polyester fiber, the segment section in fiber starts to soften adhesion, forms stiff silk after the cooling of cooled plate.Due to this heater temperature and not up to the temperature causing fibers melt, therefore the fiber in hot tank can't whole section all soften adhesion, but the softening adhesion section of appearance point segmentation, soften adhesion segment length heterogeneity, irregular, be distributed random；Do not soften adhesion segment length heterogeneity, irregular, it is distributed random.When the stiff silk section that length heterogeneity, irregular, irregular distribution occur after the cooling of fiber cooled plate and scroll tube false twisting, length heterogeneity, fluffy section of irregular, irregular distribution.
Preferred preparation technology is: silk speed is 400 ~ 500m/min, draw ratio between two rollers and a roller is 1.0 ~ 1.3, the temperature of the first hot tank is 230 ~ 240 DEG C, false twisting speed ratio is 1.3 ~ 1.5, the temperature of the second hot tank is low compared with the temperature of the first hot tank 30 ~ 40 DEG C, and in nozzle, compressed-air actuated pressure is 0.1 ~ 0.3MPa, upper oil mass is the 1.8 ~ 2.5% of the imitative flaxen fiber weight of finished product, controls coiling and molding by winding tension and makes imitative flaxen fiber.
The nozzle used in this preparation method is reaction torque nozzle, and when the scroll tube used is that Z twists with the fingers, reaction torque nozzle is that S twists with the fingers, and to eliminate intrastitial residual torque, is beneficial to follow-up weaving；When the scroll tube used is that S twists with the fingers, reaction torque nozzle is that Z twists with the fingers, and to eliminate intrastitial residual torque, is beneficial to follow-up weaving.
Winding tension is the key controlling coiling and molding, suitable winding tension size is relevant to the fiber number making fiber, and winding tension is 0.2 ~ 0.3 times of the imitative flaxen fiber fiber number numerical value in units of danier of finished product, and unit is a li cattle, winding tension suitable size now, coiling and molding is good.
Compared with prior art, the invention has the beneficial effects as follows:
The imitative flaxen fiber of 1 present invention, adopts polyester to be raw material and prepares, through spinning and false twisting process, the imitative fiber crops polyester fiber obtained, and has good, good, the form stable of color fastness of general polyester fiber wrinkle resistance etc. a little, overcomes the deficiency of natural ramie fiber.It is practical hydrophilically modified polyester is raw material that the present invention further improves so that the imitative flaxen fiber of preparation has good water absorbing properties, imitative natural ramie fiber effective.
The imitative flaxen fiber of 2 present invention, fluffy section and stiff silk section irregularly distribute alternately in fibre length direction, and fiber surface is uneven does not have regularity, and the fabric that is made into is coarse picotement, and simulating hemp-simulating surfacing material lines is irregular, and imitative pure flax fabric lines is irregular effective.
The preparation method of the imitative flaxen fiber that 3 this laws are bright, prepared by the technique of false twisting that alternate in fibre length direction to be randomly distributed in fluffy section and stiff silk section and fiber residual torque be the imitative flaxen fiber of zero, production technology is simple, and production cost is low, is beneficial to large-scale production and application.
Below in conjunction with embodiment, the present invention is further detailed explanation, but imitative flaxen fiber of the one of the present invention and preparation method thereof is not limited to embodiment.
Detailed description of the invention
Embodiment 1
The present invention provides a kind of imitative flaxen fiber, and sub-thread preorientation polyester fiber carries out stretcher strain by false twisting board and prepares, and alternate in fibre length direction is randomly distributed fluffy section and deadlock silk section, and in fiber, residual torque is zero.
The fluffy segment length in fibre length direction is 5 ~ 100mm, and length heterogeneity is irregular；Stiff silk segment length is 5 ~ 100mm, and length heterogeneity is irregular.Fluffy section and stiff silk section irregularly distribute alternately in fibre length direction, and fiber surface is uneven does not have regularity, and the fabric that is made into is coarse picotement, and simulating hemp-simulating surfacing material lines is irregular, and imitative pure flax fabric lines is irregular effective.
The sub-thread preorientation polyester fiber adopted is prepared through spinning by polyester, and polyester is polyethylene terephthalate.
The present invention also provides for a kind of method preparing imitative flaxen fiber, it is characterised in that comprise the following steps:
Sub-thread preorientation polyester fiber sequentially passed through a roller by filar guide with the silk speed of 3500m/min,, the first hot tank, coldplate, scroll tube, two rollers, the second hot tank, nozzle, oil tanker and coiler device molding, wherein the draw ratio between two rollers and a roller is 1.0, the temperature of the first hot tank is 210 DEG C, false twisting speed ratio is 1.1, the temperature of the second hot tank is low compared with the first heater temperature 20 DEG C, in nozzle, compressed-air actuated pressure is 0.05MPa, upper oil mass is the 1% of the imitative flaxen fiber weight of finished product, controls coiling and molding by winding tension and makes imitative flaxen fiber.
Preferred preparation technology is: silk speed is 400m/min, draw ratio between two rollers and a roller is 1.0, the temperature of the first hot tank is 230 DEG C, false twisting speed ratio is 1.3, the temperature of the second hot tank is low compared with the temperature of the first hot tank 30 DEG C, and in nozzle, compressed-air actuated pressure is 0.1MPa, upper oil mass is the 1.8% of the imitative flaxen fiber weight of finished product, controls coiling and molding by winding tension and makes imitative flaxen fiber.
The nozzle used in this preparation method is reaction torque nozzle, and using annoying scroll tube is that Z twists with the fingers, and reaction torque nozzle is that S twists with the fingers, and to eliminate intrastitial residual torque, is beneficial to follow-up weaving.
Winding tension is the key controlling coiling and molding, suitable winding tension size is relevant to the fiber number making fiber, and winding tension is 0.2 times of the imitative flaxen fiber fiber number numerical value in units of danier of finished product, and unit is a li cattle, winding tension suitable size now, coiling and molding is good.
Embodiment 2
The present invention provides a kind of imitative flaxen fiber, and sub-thread preorientation polyester fiber carries out stretcher strain by false twisting board and prepares, and alternate in fibre length direction is randomly distributed fluffy section and deadlock silk section, and in fiber, residual torque is zero.
The fluffy segment length in fibre length direction is 5 ~ 100mm, and length heterogeneity is irregular；Stiff silk segment length is 5 ~ 100mm, and length heterogeneity is irregular.Fluffy section and stiff silk section irregularly distribute alternately in fibre length direction, and fiber surface is uneven does not have regularity, and the fabric that is made into is coarse picotement, and simulating hemp-simulating surfacing material lines is irregular, and imitative pure flax fabric lines is irregular effective.
The sub-thread preorientation polyester fiber adopted is prepared through spinning by polyester, and polyester is PTT.
The present invention also provides for a kind of method preparing imitative flaxen fiber, it is characterised in that comprise the following steps:
Sub-thread preorientation polyester fiber sequentially passed through a roller by filar guide with the silk speed of 600m/min,, the first hot tank, coldplate, scroll tube, two rollers, the second hot tank, nozzle, oil tanker and coiler device molding, wherein the draw ratio between two rollers and a roller is 1.8, the temperature of the first hot tank is 255 DEG C, false twisting speed ratio is 1.7, the temperature of the second hot tank is low compared with the first heater temperature 50 DEG C, in nozzle, compressed-air actuated pressure is 0.5MPa, upper oil mass is the 3% of the imitative flaxen fiber weight of finished product, controls coiling and molding by winding tension and makes imitative flaxen fiber.
Preferred preparation technology is: silk speed is 500m/min, draw ratio between two rollers and a roller is 1.3, the temperature of the first hot tank is 240 DEG C, false twisting speed ratio is 1.5, the temperature of the second hot tank is low compared with the temperature of the first hot tank 40 DEG C, and in nozzle, compressed-air actuated pressure is 0.3MPa, upper oil mass is the 2.5% of the imitative flaxen fiber weight of finished product, controls coiling and molding by winding tension and makes imitative flaxen fiber.
The nozzle used in this preparation method is reaction torque nozzle, and the scroll tube of use is that S twists with the fingers, and reaction torque nozzle is that Z twists with the fingers, and to eliminate intrastitial residual torque, is beneficial to follow-up weaving.
Winding tension is the key controlling coiling and molding, suitable winding tension size is relevant to the fiber number making fiber, and winding tension is 0.3 times of the imitative flaxen fiber fiber number numerical value in units of danier of finished product, and unit is a li cattle, winding tension suitable size now, coiling and molding is good.
Embodiment 3
The present invention provides a kind of imitative flaxen fiber, and sub-thread preorientation polyester fiber carries out stretcher strain by false twisting board and prepares, and alternate in fibre length direction is randomly distributed fluffy section and deadlock silk section, and in fiber, residual torque is zero.
The fluffy segment length in fibre length direction is 5 ~ 100mm, and length heterogeneity is irregular；Stiff silk segment length is 5 ~ 100mm, and length heterogeneity is irregular.Fluffy section and stiff silk section irregularly distribute alternately in fibre length direction, and fiber surface is uneven does not have regularity, and the fabric that is made into is coarse picotement, and simulating hemp-simulating surfacing material lines is irregular, and imitative pure flax fabric lines is irregular effective.
The sub-thread preorientation polyester fiber adopted is prepared through spinning by polyester, and polyester is polybutylene terephthalate (PBT).
The present invention also provides for a kind of method preparing imitative flaxen fiber, it is characterised in that comprise the following steps:
Sub-thread preorientation polyester fiber sequentially passed through a roller by filar guide with the silk speed of 480m/min,, the first hot tank, coldplate, scroll tube, two rollers, the second hot tank, nozzle, oil tanker and coiler device molding, wherein the draw ratio between two rollers and a roller is 1.5, the temperature of the first hot tank is 235 DEG C, false twisting speed ratio is 1.45, the temperature of the second hot tank is low compared with the first heater temperature 30 DEG C, in nozzle, compressed-air actuated pressure is 0.15MPa, upper oil mass is the 2% of the imitative flaxen fiber weight of finished product, controls coiling and molding by winding tension and makes imitative flaxen fiber.
Preferred preparation technology is: silk speed is 450m/min, draw ratio between two rollers and a roller is 1.15, the temperature of the first hot tank is 236 DEG C, false twisting speed ratio is 1.46, the temperature of the second hot tank is low compared with the temperature of the first hot tank 35 DEG C, and in nozzle, compressed-air actuated pressure is 0.13MPa, upper oil mass is the 2.1% of the imitative flaxen fiber weight of finished product, controls coiling and molding by winding tension and makes imitative flaxen fiber.
The nozzle used in this preparation method is reaction torque nozzle, and the scroll tube of use is that Z twists with the fingers, and reaction torque nozzle is that S twists with the fingers, and to eliminate intrastitial residual torque, is beneficial to follow-up weaving.
Winding tension is the key controlling coiling and molding, suitable winding tension size is relevant to the fiber number making fiber, and winding tension is 0.25 times of the imitative flaxen fiber fiber number numerical value in units of danier of finished product, and unit is a li cattle, winding tension suitable size now, coiling and molding is good.
The present invention further improves, polyester used is including but not limited to hydrophilically modified polyethylene terephthalate, hydrophilically modified PTT and hydrophilically modified polybutylene terephthalate (PBT), the imitative flaxen fiber making preparation has good water absorption, and the effect of imitative natural ramie fiber is obvious.
Above-described embodiment is only used for imitative flaxen fiber of one further illustrating the present invention and preparation method thereof; but the invention is not limited in embodiment; every any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, each falls within the protection domain of technical solution of the present invention.
Claims (9)
1. an imitative flaxen fiber, carried out stretcher strain by sub-thread preorientation polyester fiber by false twisting board to prepare, sub-thread preorientation polyester fiber sequentially passes through a roller, the first hot tank, coldplate, scroll tube, two rollers, the second hot tank, nozzle, oil tanker and coiler device molding by filar guide, it is characterized in that, alternate in fibre length direction being randomly distributed fluffy section and stiff silk section, in fiber, residual torque is zero.
2. imitative flaxen fiber according to claim 1, it is characterised in that described fluffy segment length is 5 ~ 100mm, length heterogeneity is irregular.
3. imitative flaxen fiber according to claim 1, it is characterised in that described stiff silk segment length is 5 ~ 100mm, length heterogeneity is irregular.
4. the imitative flaxen fiber according to any one of claims 1 to 3, it is characterised in that described polyester is including but not limited to polyethylene terephthalate, PTT and polybutylene terephthalate (PBT).
5. imitative flaxen fiber according to claim 4, it is characterised in that described polyester is including but not limited to hydrophilically modified polyethylene terephthalate, hydrophilically modified PTT and hydrophilically modified polybutylene terephthalate (PBT).
6. the method for the imitative flaxen fiber prepared described in claim 1, it is characterised in that comprise the following steps:
Sub-thread preorientation polyester fiber sequentially passed through a roller by filar guide with the silk speed of 350 ~ 600m/min, first hot tank, coldplate, scroll tube, two rollers, second hot tank, nozzle, oil tanker and coiler device molding, wherein the draw ratio between two rollers and a roller is 1.0 ~ 1.8, the temperature of the first hot tank is 210 ~ 255 DEG C, false twisting speed ratio is 1.1 ~ 1.7, the temperature of the second hot tank is low compared with the first heater temperature 20 ~ 50 DEG C, in nozzle, compressed-air actuated pressure is 0.05 ~ 0.5MPa, upper oil mass is the 1 ~ 3% of the imitative flaxen fiber weight of finished product, control coiling and molding by winding tension and make imitative flaxen fiber.
7. method according to claim 6, it is characterized in that, described silk speed is 400 ~ 500m/min, draw ratio between two described rollers and a roller is 1.0 ~ 1.3, the temperature of the first described hot tank is 230 ~ 240 DEG C, described false twisting speed ratio is 1.3 ~ 1.5, the temperature of the second described hot tank is low compared with the temperature of the first hot tank 30 ~ 40 DEG C, in described nozzle, compressed-air actuated pressure is 0.1 ~ 0.3MPa, described upper oil mass is the 1.8 ~ 2.5% of the imitative flaxen fiber weight of finished product, controls coiling and molding by winding tension and makes imitative flaxen fiber.
8. the method according to claim 6 or 7, it is characterised in that described nozzle is reaction torque nozzle, scroll tube is that Z twists with the fingers, and reaction torque nozzle is that S twists with the fingers；Scroll tube is that S twists with the fingers, and reaction torque nozzle is that Z twists with the fingers.
9. method according to claim 8, it is characterised in that described winding tension is 0.2 ~ 0.3 times of the imitative flaxen fiber fiber number numerical value in units of danier of finished product, and unit is a li cattle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510751664.6A CN105755608A (en) | 2015-11-09 | 2015-11-09 | Flax-like fiber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510751664.6A CN105755608A (en) | 2015-11-09 | 2015-11-09 | Flax-like fiber and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105755608A true CN105755608A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510751664.6A Pending CN105755608A (en) | 2015-11-09 | 2015-11-09 | Flax-like fiber and preparation method thereof |
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| CN (1) | CN105755608A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344128A (en) * | 2019-07-17 | 2019-10-18 | 军事科学院系统工程研究院军需工程技术研究所 | A kind of micropore imitates the preparation method of flaxen fiber |
| CN113668107A (en) * | 2021-09-08 | 2021-11-19 | 浙江佳人新材料有限公司 | Manufacturing process of regenerated linen-like fiber |
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| JP2009209500A (en) * | 2008-03-06 | 2009-09-17 | Teijin Fibers Ltd | Method for producing dyed woven fabric and dyed woven fabric and fiber product |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344128A (en) * | 2019-07-17 | 2019-10-18 | 军事科学院系统工程研究院军需工程技术研究所 | A kind of micropore imitates the preparation method of flaxen fiber |
| CN110344128B (en) * | 2019-07-17 | 2021-04-13 | 军事科学院系统工程研究院军需工程技术研究所 | Preparation method of microporous linen-like fiber |
| CN113668107A (en) * | 2021-09-08 | 2021-11-19 | 浙江佳人新材料有限公司 | Manufacturing process of regenerated linen-like fiber |
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