CN109137094A - A kind of blade printing-type electrostatic spinning apparatus and its application method - Google Patents
A kind of blade printing-type electrostatic spinning apparatus and its application method Download PDFInfo
- Publication number
- CN109137094A CN109137094A CN201811048426.9A CN201811048426A CN109137094A CN 109137094 A CN109137094 A CN 109137094A CN 201811048426 A CN201811048426 A CN 201811048426A CN 109137094 A CN109137094 A CN 109137094A
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- Prior art keywords
- printing
- blade
- spray head
- type spray
- metal roller
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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
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
-
- 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
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- 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
Abstract
The present invention relates to nanofiber preparation and field of textile machinery, particularly relate to a kind of blade printing-type electrostatic spinning apparatus and its application method.Including liquid storage bottle and drain pipeline, the drain pipeline is connected with the brush axis being set on support frame, brush axis and printing-type spray head by the way that the bolt in circular hole connect blade is equipped with below printing-type spray head, blade is set on pedestal, pedestal is equipped with the mobile track of movable stand, and movable stand top is fixed on support frame, bottom bar is connected by transmission mechanism with the output end of motor II, and the anode of high pressure generator is connected by bearing with blade；It is connected below the drain pipeline with peristaltic pump；Metal roller is equipped with above support frame, the shaft in metal roller is connected by shaft coupling with motor I, and the metal roller other end is connected with ground wire.The preparation that the automatic cycle supply of spinning solution and the nanofiber of mass can be completed using the device in the present invention, realizes the application of mass, industrialized nanofiber.
Description
Technical field
The present invention relates to nanofiber preparation and field of textile machinery, particularly relate to a kind of blade printing-type electrostatic spinning dress
It sets and its application method.
Background technique
Electrostatic spinning is a kind of to prepare that nanofiber is simple and effective method.The basic principle of electrostatic spinning, that is, exist
In high voltage electric field, polymer solution droplets form " taylor cone " at spinning head, and polymer solution is removed by viscous in electrostatic field
Property stress outside also by electrostatic force, polymer drop, which is drafted, to form electrified jet, and the fluidic vectoring thrust being then drafted randomly takes
To nanofiber.Electrostatic spinning is because its principle is simple and easy to operate during experiment, Static Spinning Nanowire
The features such as denapon its superfine fibre diameter, high surface area and porosity, in bio-medical, clothes, composite material, filter material
Material and sensor etc. are multi-field to be had become a hot topic of research.The very extensive such as water purification filter material of the application of nano-fiber material,
Air filting material etc..The application field of nano-fiber material is very extensive, there is vast market prospect.
Original electrospinning process can only obtain the nanofiber of random arrangement, and the product form of electrostatic spinning is single,
The yield of nanofiber is lower.Traditional single needle electrospinning device mainly by high-pressure electrostatic generating system, liquid-supplying system with
And the system that receives of nanofiber forms.Liquid-supplying system therein is made of the metal needle of syringe pump, needle tubing and flat mouth.Electrostatic
High pressure is added in above metal needle, and for polymer solution under the slow injection of syringe pump, polymer solution overcomes the surface of itself
Tension and viscous stress, solution form jet stream by gradually drawing-off in electrostatic field, are then formed by curing nanofiber, eventually arrive at
Receiving device.
In recent years, article and patent in relation to Static Spinning continuous nano-fibre emerge many.Traditional single needle it is quiet
The nanofiber yield that electric spinning device generates is extremely low, not can be carried out industrialized production, and single needle is in the process of spinning
In also will cause the blocking of syringe needle, and syringe needle can only be disposable.Chinese patent 200710036447.4 describes one kind
Jet type electrostatic spinning equipment, polymer solution blows out bubble by the air-flow of liquid bath bottom in this arrangement, in electrostatic field
Jet stream is formed, the method for this spinning can significantly improve the production of nanofiber compared with traditional single needle electrospinning process
Amount, the shortcoming of this electrospinning process are that the formation of bubble during spinning is unstable, and high polymeric solution
Open type storage so that spinning solution volatilization cause unnecessary waste.Chinese patent 201310032194.9 describes one kind
Umbrella electrospinning process, can be realized the large-scale production of nanofiber with method described in patent, but deficiency
Place is that the contact area of the solution and air in the spray head of umbrella shape is big, polymer solution highly volatile during spinning, this
A little disadvantages will affect the form of nanofiber, stability, finally influence the quality of nanofiber.Chinese patent
201510278266.7 illustrate a kind of jet auxiliary Multi needle electrostatic spinning apparatus, can increase the Nanowire in same time
The quality of production of dimension, but have the shortcomings that easily blocking of traditional single needle electrostatic spinning apparatus, the syringe needle arrangement in device
Need to consider multiple factor, for example, in high-voltage electrostatic field the mutual electric field of syringe needle interaction, can significantly find out
The structure for carrying out the electrostatic spinning apparatus of Multi needle is increasingly complex.
Summary of the invention
The present invention proposes a kind of blade printing-type electrostatic spinning apparatus and its application method, solves nanometer in the prior art
The problem of continuous large-scale production of fiber aligns, realizes serialization in spinning process, and this method makes nanofiber rear
It is created condition in continuous large-scale production.
The technical scheme of the present invention is realized as follows:
A kind of blade printing-type electrostatic spinning apparatus, including liquid storage bottle and drain pipeline, the drain pipeline be set to support frame
On brush axis be connected, brush axis and printing-type spray head connect printing-type spray head lower section equipped with blade, blade by the bolt in circular hole
On pedestal, pedestal is equipped with the mobile track of movable stand, and movable stand top is fixed on support frame, bottom bar passes through biography
Motivation structure is connected with the output end of motor II, and the anode of high pressure generator is connected by bearing with blade；The drain pipeline
Lower section is connected with peristaltic pump；Metal roller is equipped with above support frame, the shaft in metal roller passes through shaft coupling and I phase of motor
Even, the metal roller other end is connected with ground wire.
The transmission mechanism includes screw rod and toothed belt, and screw rod is fixedly arranged on the bottom bar of movable stand, and toothed belt passes through
Belt wheel is connected with the output end of motor II.
The printing-type spray head is that prism is blocky, centre is equipped with and the liquid of brush axis mediate contact stitches；Printing-type spray head distance
It is connected at pedestal upper surface 10mm-260mm with the anode of high pressure generator, the voltage regulation limits of high pressure generator are 0kv-
130kv。
The pedestal is rectangular configuration, material is polytetrafluoroethylene (PTFE), length 30-900mm, with the coupling part of pedestal
Uniform wall thickness is 1-10mm, the height of connection is 5-30mm, and the longitudinal section of part is inside the blade insertion printing-type spray head
Isosceles trapezoid, wall thickness are narrowed to 0-1mm on triangle from 1-10mm and have 0 ° to 85 ° of inclination angle outward, are highly 1-
30mm。
Quantity >=1 of the printing-type spray head；Brush shaft diameter is 5-200mm, length 30-600mm.
The printing-type spray head, pedestal and liquid storage bottle material are polytetrafluoroethylene material.
Support frame as described above and metal roller vertical interval 1-50 cm.
The application method of the blade printing-type electrostatic spinning apparatus, steps are as follows:
1) spinning solution, is added into object liquid storage bottle, connects liquid storage bottle and printing-type spray head with drain pipeline；
2) wriggling switch pump, is opened, the liquid supply speed of spinning solution is adjusted, so that spinning solution (is slowly flowed across by drain pipeline
Spinning solution is overworked printing-type spray head by printing-type spray head；
3) metal roller is connect with ground wire, opens the motor I of connection metal roller, guarantees that metal roller normally rotates；
4), printing-type spray head is connected by toothed belt with motor II, is opened motor II by toothed belt and is driven movable stand band
Printing-type spray head on dynamic support frame moves back and forth；
5) anode of high pressure generator is connect with blade, high pressure generator power supply is opened, is slowly increased voltage, when voltage is super
It crosses after certain certain value, many jet streams will occur in blade printing-type spray heads, jet stream is in the process for flying to metal roller
In, jet stream be stretched solvent volatilization, spinning solution solidification, formed nanofibres deposit on metal roller.
The beneficial effects of the present invention are:
1, liquid-supplying system is connect by the present invention using circulating solution supply structure with brush head, and spinning solution may be implemented to spray head
It automatically supplies and controls, it is easy to operate, can be realized the control measured during the spinning process to polymer solution.
2, spray head uses blade type configuration, and spinning solution reaches at brush head by catheter, most by the fluid reservoir in brush head
Zhongdao reaches spray head, the producing level of spinning solution can be effectively controlled, simultaneously as more jet streams can be in blade type spray heads
It is formed, improves the efficiency of spinning, improve the yield of nanofiber.
3, blade printing-type nozzle structure paints relatively thin one layer of relatively narrow high polymeric solution, solution concentration control on blade
Property it is good, i.e., for i.e. spin, be constantly in good original state, this state is but also blade type configuration realizes space spinning
May, a possibility that more is provided for subsequent processing and the control of structure.
4, collecting nanofibers device is driven by motor metal roller and receives nanofiber, and may be implemented centainly to be orientated receives
The preparation of rice fiber.
5, the automatic cycle supply and the Nanowire of mass of spinning solution can be completed using the device in the present invention
The preparation of dimension realizes the application of mass, industrialized nanofiber.
Detailed description of the invention
Fig. 1 blade printing-type electrostatic spinning apparatus schematic elevation view.
The schematic cross-section of Fig. 2 blade printing-type spray head nozzle mouth.
Fig. 3 blade printing-type electrostatic spinning apparatus blade spray head schematic diagram.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Those of ordinary skill in the art's every other embodiment obtained under that premise of not paying creative labor, belongs to this hair
The range of bright protection.
Embodiment 1
A kind of blade printing-type electrostatic spinning apparatus as shown in Figs. 1-3, including liquid storage bottle 3 and drain pipeline 4, the catheter
Road 4 is connected with the brush axis 16 being set on support frame 9, and brush axis 16 is connect with printing-type spray head 17 by circular hole 22, printing-type spray head
17 lower sections are equipped with blade 10, and blade 10 is set on pedestal 15, and pedestal 15 is equipped with the mobile track of movable stand 2,2 top of movable stand
It is fixed on support frame 9, bottom bar is connected by transmission mechanism with the output end of motor II 13, the anode of high pressure generator 1
It is connected by bearing with blade 10；4 lower section of drain pipeline is connected with peristaltic pump 5；Metal roller is equipped with above support frame 9
7, the shaft in metal roller 7 is connected by shaft coupling with motor I 6, and 7 other end of metal roller is connected with ground wire.
Preferably, the transmission mechanism includes screw rod 18 and toothed belt 12, and screw rod 18 is fixedly arranged on the bottom bar of movable stand 2
On, toothed belt 12 is connected by belt wheel with the output end of motor II 13.
Preferably, the printing-type spray head 17 is that prism is blocky, centre is equipped with and the liquid of 16 mediate contact of brush axis stitches 21；Print
Brush spray head 17 is connected at 15 upper surface 10mm-260mm of pedestal with the anode of high pressure generator 1, high pressure generator 1
Voltage regulation limits are 0kv-130kv.
Preferably, the pedestal is rectangular configuration, material is polytetrafluoroethylene (PTFE), length 30-900mm, the company with pedestal
The uniform wall thickness of socket part point is 1-10mm, the height of connection is 5-30mm, and the blade 10 is embedded in 17 the inside portion of printing-type spray head
Point longitudinal section be isosceles trapezoid, wall thickness be narrowed to 0-1mm on triangle from 1-10mm and have outward 0 ° to 85 ° of inclination angle,
Height is 1-30mm.
Preferably, quantity >=1 of the printing-type spray head 17；16 diameter of brush axis is 5-200mm, length 30-600mm.
Preferably, the printing-type spray head 17, pedestal 15 and 3 material of liquid storage bottle are polytetrafluoroethylene material.
Preferably, support frame as described above 9 and 7 vertical interval 1-50 cm of metal roller.
Spray head of the invention uses blade type configuration, and spinning solution reaches at brush head by catheter, by the storage in brush head
Liquid chamber eventually arrives at spray head, can effectively control the producing level of spinning solution, simultaneously as more jet streams can be sprayed in blade type
Head is formed above, is improved the efficiency of spinning, is improved the yield of nanofiber.Blade printing-type nozzle structure paints on blade
Relatively thin one layer of relatively narrow high polymeric solution, solution concentration controlling is good, i.e., for i.e. spinning, is constantly in good original state, this
Kind of state is processed and the control of structure provides more to be subsequent but also blade type configuration realizes the possibility of space spinning
A possibility that more.
The application method of the blade printing-type electrostatic spinning apparatus, steps are as follows:
1) spinning solution, is added into object liquid storage bottle 3, connects liquid storage bottle 2 and printing-type spray head 17 with drain pipeline 4；
2) wriggling switch pump, is opened, the liquid supply speed of spinning solution is adjusted, so that spinning solution is slowly flowed across by drain pipeline 4
Spinning solution is overworked printing-type spray head 17 by printing-type spray head 17；
3) metal roller 7 is connect with ground wire 8, opens the motor I 6 of connection metal roller 7, guarantees that metal roller 7 normally revolves
Turn；
4), printing-type spray head 17 is connected by toothed belt 12 with motor II 13, is opened motor II 13 by toothed belt 12 and is driven shifting
Printing-type spray head 17 in moving frame 2 and then drive support frame moves back and forth；
5) anode of high pressure generator 1 is connect with blade 10,1 power supply of high pressure generator is opened, is slowly increased voltage, works as electricity
Pressure many jet streams will occur, jet stream is flying to metal roller 7 more than after certain certain value on blade printing-type spray head 17
During, jet stream be stretched solvent volatilization, spinning solution solidification, formed nanofibres deposit on metal roller 7.
Application examples
Nanofiber is prepared using polypropylene fine (PAN) and N-N dimethylformamide (DMF) prepared spinning solution below, is matched
The mass fraction for the spinning solution set is 10%, and configured PAN/DMF high polymeric solution is injected in beaker, with catheter burning
Cup and brush head connect, and open peristaltic pump, and the revolving speed for adjusting peristaltic pump further controls the flowing velocity of spinning solution, makes to polymerize
Object solution just overworks blade.Metal roller is connect with ground wire, metal roller is 280mm at a distance from blade type spray head,
The motor being connected with metal roller is opened, guarantees that metal roller is rotated with the speed of 100r/min, brush head bottom end passes through synchronization
Toothed belt is connected to motor, and opens motor and brush head is driven to move with 3m/min.The anode of high pressure generator is connected with blade,
High voltage power supply is opened, voltage is gradually tuned up, after voltage is greater than certain certain value, multiply can be formed in blade type spray heads
Jet stream, during mobile to metal roller, jet stream is stretched jet stream by electrostatic force, solvent volatilization, high polymer solidification, formation
Nanofiber can be deposited on metal roller.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of blade printing-type electrostatic spinning apparatus, including liquid storage bottle (3) and drain pipeline (4), it is characterised in that: described to lead
Liquid pipe road (4) is connected with the brush axis (16) being set on support frame (9), and brush axis (16) and printing-type spray head (17) pass through circular hole (22)
Blade (10) are equipped with below interior bolt connection printing-type spray head (17), blade (10) is set on pedestal (15), on pedestal (15)
Equipped with movable stand (2) mobile track, movable stand (2) top is fixed on support frame (9), bottom bar by transmission mechanism with
The output end of motor II (13) is connected, and the anode of high pressure generator (1) is connected by bearing with blade (10)；The catheter
Road (4) is connected with the peristaltic pump of bottom；Metal roller (7) are equipped with above support frame (9), the shaft in metal roller (7) passes through
Shaft coupling is connected with motor I (6), and metal roller (7) other end is connected with ground wire.
2. blade printing-type electrostatic spinning apparatus as described in claim 1, it is characterised in that: the transmission mechanism includes screw rod
(18) it is fixedly arranged on the bottom bar of movable stand (2) with toothed belt (12), screw rod (18), toothed belt (12) passes through belt wheel and motor
The output end of II (13) is connected.
3. blade printing-type electrostatic spinning apparatus as described in claim 1, it is characterised in that: the printing-type spray head (17) is
Prism is blocky, intermediate be equipped with stitches (21) with the liquid of brush axis (16) mediate contact；Printing-type spray head (17) table on pedestal (15)
It is connected at the 10mm-260mm of face with the anode of high pressure generator (1), the voltage regulation limits of high pressure generator (1) are 0kv-
130kv。
4. blade printing-type electrostatic spinning apparatus as described in claim 1, it is characterised in that: the pedestal (15) is rectangle knot
Structure, material are polytetrafluoroethylene (PTFE), length 30-900mm, and the uniform wall thickness with the coupling part of pedestal (15) is 1-10mm, connects
The height connect is 5-30mm, and the longitudinal section of part is isosceles trapezoid, wall inside blade (10) insertion printing-type spray head (17)
Thickness is narrowed to 0-1mm on triangle from 1-10mm and has 0 ° to 85 ° of inclination angle outward, is highly 1-30mm.
5. blade printing-type electrostatic spinning apparatus as described in claim 1, it is characterised in that: the printing-type spray head (17)
Quantity >=1；Brush axis (16) diameter is 5-200mm, length 30-600mm.
6. blade printing-type electrostatic spinning apparatus as described in claim 1, it is characterised in that: the printing-type spray head (17),
Pedestal (15) and liquid storage bottle (3) material are polytetrafluoroethylene material.
7. blade printing-type electrostatic spinning apparatus as described in claim 1, it is characterised in that: support frame as described above (9) and metal
Roller (7) vertical interval 1-50 cm.
8. the application method of the described in any item blade printing-type electrostatic spinning apparatus of claim 1-7, which is characterized in that step
It is as follows:
1) spinning solution, is added into object liquid storage bottle (3), connects liquid storage bottle (2) and printing-type spray head with drain pipeline (4)
(17)；
2) wriggling switch pump, is opened, the liquid supply speed of spinning solution is adjusted, so that spinning solution is slowly flowed by drain pipeline (4)
Printing-type spray head (17) are crossed, spinning solution is overworked into printing-type spray head (17)；
3) metal roller (7) is connect with ground wire (8), opens the motor I (6) of connection metal roller (7), guarantees metal roller
(7) normal rotation；
4), printing-type spray head (17) is connected by toothed belt (12) with motor II (13), is opened motor II (13) and is passed through toothed belt
(12) movable stand (2) are driven and then the printing-type spray head (17) on support frame is driven to move back and forth；
5) anode of high pressure generator (1) is connect with blade (10), high pressure generator (1) power supply is opened, is slowly increased electricity
Pressure many jet streams will occur, jet stream is flying to metal after voltage is more than certain certain value on printing-type spray head (17)
During roller (7), jet stream be stretched solvent volatilization, spinning solution solidification, formed nanofibres deposit in metal roller (7)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811048426.9A CN109137094B (en) | 2018-09-10 | 2018-09-10 | Blade printing type electrostatic spinning device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811048426.9A CN109137094B (en) | 2018-09-10 | 2018-09-10 | Blade printing type electrostatic spinning device and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109137094A true CN109137094A (en) | 2019-01-04 |
| CN109137094B CN109137094B (en) | 2020-12-25 |
Family
ID=64824293
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811048426.9A Active CN109137094B (en) | 2018-09-10 | 2018-09-10 | Blade printing type electrostatic spinning device and using method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284202A (en) * | 2019-06-14 | 2019-09-27 | 上海建沪鸿达科技有限公司 | A kind of dedicated spinning equipment of efficient electrostatic spinning nano fiber |
| CN110295399A (en) * | 2019-06-27 | 2019-10-01 | 南通顶誉纺织机械科技有限公司 | A kind of brush electrostatic spinning apparatus and its application method |
| CN110373725A (en) * | 2019-06-27 | 2019-10-25 | 南通顶誉纺织机械科技有限公司 | A kind of brush electrostatic spinning apparatus of twolip type and its application method |
| CN110373728A (en) * | 2019-07-03 | 2019-10-25 | 东华大学 | A kind of blade type electrostatic spinning apparatus and application method |
| CN112877913A (en) * | 2021-01-28 | 2021-06-01 | 河南曼博睿新材料科技有限公司 | Production equipment of electrostatic 3D printing method nanofiber membrane |
| CN114481341A (en) * | 2022-03-24 | 2022-05-13 | 河南中纤新材料科技有限公司 | Spray head for linear electrode solution electrostatic spinning and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112877913A (en) * | 2021-01-28 | 2021-06-01 | 河南曼博睿新材料科技有限公司 | Production equipment of electrostatic 3D printing method nanofiber membrane |
| CN114481341A (en) * | 2022-03-24 | 2022-05-13 | 河南中纤新材料科技有限公司 | Spray head for linear electrode solution electrostatic spinning and use method thereof |
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Effective date of registration: 20211203 Address after: 451162 Sino German Industrial Park 21-3, intersection of S102 and Nuanquan Road, Xuedian Town, Xinzheng City, Zhengzhou City, Henan Province Patentee after: Henan medium fiber new material technology Co.,Ltd. Address before: 451191 No. 1 Huaihe Road, Shuang Hu Economic and Technological Development Zone, Xinzheng, Zhengzhou, Henan Patentee before: ZHONGYUAN University OF TECHNOLOGY |
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