CN105970309A - Nanometer fiber yarn and preparation method thereof - Google Patents
Nanometer fiber yarn and preparation method thereof Download PDFInfo
- Publication number
- CN105970309A CN105970309A CN201610455645.3A CN201610455645A CN105970309A CN 105970309 A CN105970309 A CN 105970309A CN 201610455645 A CN201610455645 A CN 201610455645A CN 105970309 A CN105970309 A CN 105970309A
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- Prior art keywords
- nano
- preparation
- long filament
- twisting
- yarn
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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
- D01D5/0007—Electro-spinning
-
- 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
- D01D11/00—Other features of manufacture
-
- 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
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
-
- 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
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
- D01D5/0084—Coating by electro-spinning, i.e. the electro-spun fibres are not removed from the collecting device but remain integral with it, e.g. coating of prostheses
-
- 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
Abstract
The invention discloses nanometer fiber yarn and a preparation method thereof. The method includes the following steps that multiple filament rolls are arranged on a plurality of reels on a creel and dragged and backed off by an upper roller and a lower roller to enter a static spinning device; control parameters of the static spinning device are set; static spinning liquid is prepared; filament jetting is conducted, wherein a nozzle of the static spinning device is controlled to outwards push the spinning liquid so that fiber filaments can be adsorbed to surfaces of filaments; the filaments where fiber filaments are adsorbed are soaked in solvent to be dissolved; fiber filaments obtained after dissolution are twisted by a twisting barrel; twisted yarn is wound around the reels after passing through a groove drum. According to the preparation method, the nanometer fiber yarn is prepared through the static spinning technology, and the preparation method has the advantages of being easy to operate, strong in yarn plasticity, low in cost and the like.
Description
Technical field
The present invention relates to polymeric material field, particularly relate to a kind of nano-fibre yams and preparation method thereof.
Background technology
The ultimate fibre nanowire filament strength being arranged preparation by electrostatic spinning is very poor, therefore cannot be directly by tradition
Textile technology carries out knitting, woven and weaving and is applied to ultimate fibre nanowire filament and prepares knitted fabric, woven
Thing and fabric, mostly existing ultimate fibre nanowire filament is to be applied to produce non-woven membrane.Nano-fibre yams
In addition to can using in traditional textile process technology, it is also possible to apply composite, filter medium,
The fields such as gas separation, sensor and organizational project, therefore nano-fibre yams is increasingly paid attention in textile industry
Exploitation.Existing nano-fibre yams preparation method, principle is all by nanofiber boundling and to twist,
Method has the method such as water-bath, disk.These preparation methoies have a problem in that poor controllability, and structure is complicated, no
Being suitable for large-scale production, nano fibre yarn line mass is unstable and the highest.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides one and utilize electrostatic spinning setting to carry out Nanowire
The dimension method prepared of yarn, is used for solving that ultimate fibre nanowire filament strength is the poorest is not easy to knitting, woven or braiding
Problem.
The present invention is achieved in that
The preparation method of a kind of nano-fibre yams, it is characterised in that comprise the following steps:
One, long filament group unwinding:
On the multi-filament package multiple bobbins on bobbin cradle, by near to being far disposed with first before bobbin
Thread eye, upper bottom roll and the second thread eye,
The free end of the long filament on bobbin sequentially passes through the first thread eye, upper bottom roll and the second thread eye, long
Silk is entered electrospinning device by the traction unwinding of upper bottom roll；
Two, Static Spinning spray webbing:
The control parameter arranging electrospinning device includes: the output voltage arranging voltage source is 10～50kv,
The distance arranging shower nozzle extremely reception plate is 30～40cm, arranges long filament and the distance receiving plate is 0.7～2mm；
Configuration electrostatic spinning liquid；
Spray webbing: the shower nozzle controlling electrospinning device outwards pushes spinning liquid, and spinning liquid is shape under electric field action
Becoming fiber filaments and to receiving plate motion, traction long filament to the other end, makes fiber finer from the end movement of reception plate
Silk is being adsorbed in filament surface；
Three, long filament is dissolved:
The long filament being adsorbed with fiber filaments is soaked in solvent and dissolves, make long filament be dissolved fiber filaments
It is not dissolved；
Four, nanofiber twisting:
The fiber filaments obtained after dissolving is twisted through twisting bucket, and described twisting bucket includes the bucket of cylinder
Body and be arranged at the revolving vane bottom staving, the central authorities bottom staving are provided with line outlet, revolve during twisting
Turning the liquid formation eddy current in blade rotation makes twisting bucket, the free end of fiber filaments is formed yarn by eddy current twisting
Line also passes from the line outlet of bottom；
Five, yarn winding:
The yarn that twisting is formed is wound on bobbin after groove drum.
Further, the density of described long filament is 1～2dtex.
Further, described electrostatic spinning liquid includes by weight: the polypropylene of 15～25 parts is fine, 3～8 parts
Camphorsulfonic acid, the polyaniline 0.5g of 3～7 parts and the CNT of 0.7～1.3 part.
Further, described electrostatic spinning liquid is that mass fraction polypropylene is fine 9%, the dimethyl methyl of white carbon black 1%
Amide solution.
Further, when nanofiber is twisted, the rotary speed of the revolving vane of twisting bottom of the barrel is
80～130rpm.
Further, in Static Spinning spinning process, traction long filament, while the end receiving plate moves, is controlled
Make long filament winding axle center at the uniform velocity to rotate.
Further, also including carbonization treatment after yarn winding, carbonization treatment is by fiber yarn warp
Carbonization under 900 DEG C of ar gas environments.
For solving the problem that in prior art, ultimate fibre nanowire filament strength is poor, present invention also offers according to upper
State the fiber yarn that the preparation method of nano-fibre yams prepares.
The invention have the benefit that the present invention passes through electrostatic spinning process and silk thread twisting technique preparation fibre
Dimension yarn, have simple to operate, reduce cost, be suitable for industrialized great production advantage, and described production
The intensity of nano-fibre yams high, it is simple to the following process such as knitting, woven or braiding.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that in embodiment of the present invention prepared by nano-fibre yams；
Fig. 2 is the structural representation of electrospinning device in invention embodiment.
Label declaration:
1, the first thread eye；2, the second thread eye；3, bobbin cradle；4, bobbin；5, long filament；
6, upper bottom roll；7, electrospinning device；8, twisting bucket；9, revolving vane；
10, fiber yarn；11, fiber filaments；71, dosing pump；72, high voltage power supply；
73, syringe；74, plate is received；75, spinning liquid.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with
Embodiment also coordinates accompanying drawing to be explained in detail.
Embodiment 1
The preparation method of 1 one kinds of nano-fibre yams of the embodiment of the present invention, refers to Fig. 1, for nano fibre yarn
Line prepare schematic diagram, which includes long filament group unwinding, Static Spinning spray webbing and nanofiber twisting.This is received
The preparation method of rice fiber yarn comprises the following steps:
(1) long filament group unwinding
The bobbin 4 being equipped with polyvinyl fine filaments 5 is placed on bobbin cradle 3, long filament 5 line density 1.5dtex, cylinder
In subrack 3, the quantity of bobbin 4 is 30, before bobbin 4 by closely to be far disposed with the first thread eye 1,
Upper bottom roll 6 and the second thread eye 2, the free end of the long filament 5 on bobbin 4 sequentially pass through the first thread eye 1,
Upper bottom roll 6 and the second thread eye 2, long filament 5 is drawn unwinding by upper bottom roll 6 and enters electrospinning device 7；
Wherein, each bobbin 4 draws long filament via the first thread eye 1, first thread eye 1 array parallel sieve Yu
Drawing arrangement, roller length 40cm, the first thread eye 1 array-width is 30cm, and long filament group passes through upper and lower sieve
Draw 6, the long filament group that rotarily drives of upper bottom roll 6 unwind, long filament withdrawal speed 1m/min.
(2) Static Spinning spray webbing
Electrostatic spinning liquid is prepared, and wherein, spinning liquid is that chloroform 20ml dissolves the fine 2g of polypropylene, camphorsulfonic acid
0.5g doped polyaniline 0.5g and CNT 0.1g；
Referring to Fig. 2, reception plate 74 ground connection of electrospinning device 7, long filament group (includes multiple long filament 5)
Naturally pendency is placed at conductive receiver plate 74 front 1mm, and high voltage power supply 7210kv, high voltage power supply 72 applies
On the shower nozzle of syringe 73, shower nozzle is set to double shower nozzle, and shower nozzle distance reception plate 74, apart from 30cm, spins
Silk liquid 75 is loaded in shower nozzle, and syringe 73 is promoted by dosing pump 71, and the shower nozzle of syringe 73 pushes spinning
The flow velocity 3ml/h of liquid, spinning liquid forms fiber filaments 11 and to receiving plate motion, traction under electric field action
Long filament to the other end, makes fiber filaments be adsorbed in filament surface from the end movement of reception plate.
(3) long filament is dissolved
After Static Spinning spray webbing, long filament group surface is coated with nanofiber, and long filament naturally droops in 90 DEG C of aqueous solutions,
Because polyvinyl long filament heat water will dissolve, long filament dissolve after polypropylene fine-polyaniline nano fiber filament is able to
Retain.
(4) nanofiber twisting
Fiber twisting is carried out by twisting bucket 8, and described twisting bucket 8 includes the staving of cylinder and sets
Being placed in the revolving vane 9 bottom staving, revolving vane 9 is connected to motor, and the central authorities bottom staving are provided with out
Line mouth, the revolving vane 9 bottom driven by motor staving rotates with the speed of 100rpm, the aqueous solution in staving
Because the rotation of blade forms vortex, when nanofiber 11 arrives going out bottom staving through solvent from top to bottom
During string holes, owing to solution forms eddy current, nanofiber is twisted, form nano-fibre yams 10.
(5) yarn winding
Nano-fibre yams is wound on bobbin after groove drum, and winding speed is 1m/min.
A diameter of 30 μm of the preparation-obtained nano-fibre yams of the present embodiment, the fiber finer of composition yarn
A diameter of 323 ± 40nm of silk, the twist is 60t/m, and the intensity of yarn is 3.64cN/tex.
Embodiment 2
The preparation method of a kind of nano-fibre yams, this preparation method employs used in embodiment 1 equally
Electrospinning device, this preparation method comprises the following steps:
(1) long filament group unwinding
The bobbin 4 being equipped with polyvinyl fine filaments is placed on bobbin cradle 3, long filament 5 line density 1.5dtex, bobbin
4 quantity 100, draw long filament via the first thread eye 1, and the first thread eye 1 array parallel arranges in roller,
Roller length 40cm, the first thread eye 1 array 2 width 70cm, long filament 5 groups by upper bottom roll 6, by
The long filament group that rotarily drives of upper bottom roll 6 unwinds, long filament withdrawal speed 20m/min.
(2) Static Spinning spray webbing
The reception plate earthing of electrospinning device, long filament group naturally dangles and is placed in conductive receiver plate front 1mm,
High voltage power supply is that 50kv puts on shower nozzle, and shower nozzle is many jets, and shower nozzle distance receives plate distance 40cm,
Spinning liquid is that mass fraction polypropylene is fine 9%, the dimethyl formamide solution of white carbon black 1%；
Spinning liquid forms fiber filaments and to receiving plate motion under electric field action, and traction long filament is from receiving plate
End is mobile to the other end, makes fiber filaments be adsorbed in filament surface.
(3) long filament is dissolved
After Static Spinning spray webbing, long filament group surface is coated with nanofiber, and long filament naturally droops in 90 DEG C of aqueous solutions,
Because polyvinyl long filament heat water will dissolve, long filament dissolve after polypropylene fine-polyaniline nano fiber retained.
(4) nanofiber twisting
Fiber twisting is carried out by twisting bucket 8, and described twisting bucket includes staving and the setting of cylinder
Revolving vane 9 bottom staving, revolving vane 9 is connected to motor, and the central authorities bottom staving are provided with outlet
Mouthful, the revolving vane 9 bottom driven by motor staving rotates with the speed of 200rpm, and aqueous solution is because of blade
Rotate and form vortex, when wire hole middle bottom nanofiber 11 arrives through solvent, due to solution shape
Eddy current is become nanofiber to carry out twisting and forms nano-fibre yams 10.
(5) yarn winding
Nano-fibre yams is wound on bobbin after groove drum, and winding speed is 20m/min.Yarn diameter 84
μm, the diameter of the fiber of composition yarn is at 275 ± 36nm, and the twist is 72t/m, and the intensity of yarn is 5.17
cN/tex。
(6) carbonization
Nano-fibre yams carbonization under 900 DEG C of ar gas environments, the carbon nano-fiber yarn of gained, yam surface
For loose structure, its electrical conductivity is 12.5S/cm.
In order to improve the fiber filaments attachment uniformity at filament surface, when Static Spinning spinning process, traction
Long filament, while the end receiving plate moves, controls long filament winding axle center and does circumference rotation, so that fiber filaments
It is wound in filament surface uniformly.
Nano-fibre yams preparation method in above-mentioned embodiment mainly uses dissolution method, utilizes Static Spinning skill
Nanofiber is sprayed in soluble long filament group by art, then utilizes solvent to nanofiber and the difference of long filament
Solubility property dissolves removes long filament, then collect nanofiber and in addition the twist can prepare nano-fibre yams.
The nano-fibre yams prepared in this way had both had the performance characteristic of conventional yarns and has had and have nanofiber
Inwardness, can apply to tradition spinning and the field such as organizational project and composite.It is different from existing skill
Art, the preparation technology of above-mentioned embodiment is more controllable, is by nanofiber spray webbing to the yarn of solubility,
The thickness of these yarns, the amount of the nanofiber that yarn covers can carrying out to yarn speed by yarn
Controlling, condition is more controlled.And carry nanofiber by yarn so that operations is more controllable, than
Trend and motion such as nanofiber can be controlled by the yarn of carrier.Controlled by soluble yarn
Property, can reasonable disposition technique so that the diversification of varieties of nano-fibre yams.And above-mentioned preparation technology has
Having simple to operate, the features such as yarn plasticity is strong, with low cost, yield is huge, it will produce huge warp
Ji benefit.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every profit
The equivalent structure made by description of the invention and accompanying drawing content or equivalence flow process conversion, or directly or indirectly transport
It is used in other relevant technical fields, is the most in like manner included in the scope of patent protection of the present invention.
Claims (8)
1. the preparation method of a nano-fibre yams, it is characterised in that comprise the following steps:
One, long filament group unwinding:
On the multi-filament package multiple bobbins on bobbin cradle, by near to being far disposed with first before bobbin
Thread eye, upper bottom roll and the second thread eye,
The free end of the long filament on bobbin sequentially passes through the first thread eye, upper bottom roll and the second thread eye, long
Silk is entered electrospinning device by the traction unwinding of upper bottom roll；
Two, Static Spinning spray webbing:
The control parameter arranging electrospinning device includes: the output voltage arranging voltage source is 10～50kv,
The distance arranging shower nozzle extremely reception plate is 30～40cm, arranges long filament and the distance receiving plate is 0.7～2mm；
Configuration electrostatic spinning liquid；
Spray webbing: the shower nozzle controlling electrospinning device outwards pushes spinning liquid, and spinning liquid is shape under electric field action
Becoming fiber filaments and to receiving plate motion, traction long filament to the other end, makes fiber finer from the end movement of reception plate
Silk is being adsorbed in filament surface；
Three, long filament is dissolved:
The long filament being adsorbed with fiber filaments is soaked in solvent and dissolves, make long filament be dissolved fiber filaments
It is not dissolved；
Four, nanofiber twisting:
The fiber filaments obtained after dissolving is twisted through twisting bucket, and described twisting bucket includes the bucket of cylinder
Body and be arranged at the revolving vane bottom staving, the central authorities bottom staving are provided with line outlet, revolve during twisting
Turning the liquid formation eddy current in blade rotation makes twisting bucket, the free end of fiber filaments is formed yarn by eddy current twisting
Line also passes from the line outlet of bottom；
Five, yarn winding:
The yarn that twisting is formed is wound on bobbin after groove drum.
The preparation method of nano-fibre yams the most according to claim 1, it is characterised in that described length
The density of silk is 1～2dtex.
The preparation method of nano-fibre yams the most according to claim 1, it is characterised in that described quiet
Electrospun liquid includes by weight: the polypropylene of 15～25 parts is fine, the camphorsulfonic acid of 3～8 parts, 3～7 parts
Polyaniline 0.5g and the CNT of 0.7～1.3 part.
The preparation method of nano-fibre yams the most according to claim 1, it is characterised in that described quiet
Electrospun liquid is that mass fraction polypropylene is fine 9%, the dimethyl formamide solution of white carbon black 1%.
The preparation method of nano-fibre yams the most according to claim 1, it is characterised in that in nanometer
During fiber twisting, the rotary speed of the revolving vane of twisting bottom of the barrel is 80～130rpm.
The preparation method of nano-fibre yams the most according to claim 1, it is characterised in that at electrostatic
Spinning in spinning process, traction long filament, while the end receiving plate moves, controls long filament winding axle center and at the uniform velocity rotates.
The preparation method of nano-fibre yams the most according to claim 1, it is characterised in that at yarn
Also including carbonization treatment after winding, carbonization treatment is by fiber yarn carbonization under 900 DEG C of ar gas environments.
8. a nano-fibre yams, it is characterised in that this nano-fibre yams is by claim 1 to 7
The preparation method of arbitrary described nano-fibre yams prepares.
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| CN201610455645.3A CN105970309B (en) | 2016-06-21 | 2016-06-21 | A kind of nano-fibre yams and preparation method thereof |
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| CN201610455645.3A CN105970309B (en) | 2016-06-21 | 2016-06-21 | A kind of nano-fibre yams and preparation method thereof |
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| CN106811845A (en) * | 2017-01-20 | 2017-06-09 | 东华大学 | It is spherical to spurt brush type mass nano fibre yarn wire processing device and its application method |
| CN108588862A (en) * | 2018-05-28 | 2018-09-28 | 江苏工程职业技术学院 | It is a kind of to use electrostatic spinning to filament surface reforming system |
| CN110144649A (en) * | 2019-05-21 | 2019-08-20 | 江西先材纳米纤维科技有限公司 | The preparation method and application of the continuous long yarns of electrospinning polyacrylonitrile base nano carbon fibre |
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| CN110144649A (en) * | 2019-05-21 | 2019-08-20 | 江西先材纳米纤维科技有限公司 | The preparation method and application of the continuous long yarns of electrospinning polyacrylonitrile base nano carbon fibre |
| CN110144649B (en) * | 2019-05-21 | 2020-05-05 | 江西先材纳米纤维科技有限公司 | Electro-spun polyacrylonitrile-based carbon nanofiber continuous long yarn and preparation method thereof |
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| CN105970309B (en) | 2018-07-10 |
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Effective date of registration: 20230506 Address after: No. 1301, 13th Floor, Building B, National University Science and Technology Park Incubation Center, Changchun Road, Zhengzhou High tech Industrial Development Zone, Zhengzhou City, Henan Province, 450000 Patentee after: Henan Zhibiao Intelligent Technology Co.,Ltd. Address before: No.200 Xiyuan palace, Shangjie Town, Minhou County, Fuzhou City, Fujian Province Patentee before: MINJIANG University Effective date of registration: 20230506 Address after: 432300 Makou Industrial Park, Hanchuan City, Xiaogan City, Hubei Province Patentee after: Hubei Shufeng line Industry Development Co.,Ltd. Address before: No. 1301, 13th Floor, Building B, National University Science and Technology Park Incubation Center, Changchun Road, Zhengzhou High tech Industrial Development Zone, Zhengzhou City, Henan Province, 450000 Patentee before: Henan Zhibiao Intelligent Technology Co.,Ltd. |
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