CN106012537B - A kind of preparation method of wear-resistant conductive fiber - Google Patents
A kind of preparation method of wear-resistant conductive fiber Download PDFInfo
- Publication number
- CN106012537B CN106012537B CN201610352567.4A CN201610352567A CN106012537B CN 106012537 B CN106012537 B CN 106012537B CN 201610352567 A CN201610352567 A CN 201610352567A CN 106012537 B CN106012537 B CN 106012537B
- Authority
- CN
- China
- Prior art keywords
- wear
- conductive fiber
- resistant conductive
- carbon nano
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Artificial Filaments (AREA)
- Inorganic Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The present invention provides a kind of preparation method of wear-resistant conductive fiber, it is characterised in that including：Carbon nanotubes yarn is immersed in resin, carbon nano tube composite fibre is made；The carbon nano tube composite fibre is subjected to single or multiple cyclic cryogenic treatments in a stretched state, obtains wear-resistant conductive fiber.The present invention is due to using subzero treatment, can be under the premise of the abrasion resistance properties of carbon nano-tube fibre be improved, it is remarkably improved the overall mechanical properties and electric property of carbon nano-tube fibre reinforced resin composite material, and process is simple and convenient to operate, reduce the production cost of modified technique, with significant economic benefit and social benefit, possess good prospects for commercial application.
Description
Technical field
The present invention relates to a kind of preparation method of wear-resistant conductive fiber, belongs to high-performance fiber and is modified field.
Background technology
Carbon nanotubes yarn is most light at present, the most strong, fibrous material of plasticity maximum, its development has greatly promoted ultra-fine fibre
The development of dimension and structure function composite material of new generation.And it also has chemical resistance, high temperature resistant, not molten and excellent
Electric conductivity, however, due to its weak wear-resisting property, the extensive use of carbon nanotubes yarn have received great limitation.
Due to the network structure of carbon nanotubes, its excellent electric conductivity is increasingly favored be subject to conductive fiber.And lead
The wearability of electric fiber, studies relatively fewer at present, is concentrated mainly on coating modified.The carbon carbon structure of carbon nanotubes yarn,
Chemical property is opposite to be presented inertia, so coating modified will necessarily bring damage to fiber.At present, it is general according to " similar compatibility "
Principle, selects suitable resin compound with it, so as to increase certain wear-resisting property.
Subzero treatment is also known as super low temperature or super sub- cold treatment, it is the extension of conventional cold treatment.Cryogenic treatment process
It is generally considered to be using liquid nitrogen as deep cooling medium, by treated sample in certain container, different materials is special by it
Fixed temperature lowering curve, controls rate of temperature fall, and sample slowly dropped to liquid nitrogen temperature, held for some time, then by heating curve,
It is slowly raised to the processing procedure of room temperature.This technique is not only mainly used for ferrous material and its alloy, nonferrous materials
And its alloy etc., metal tools can be made in abrasive wear resistant weld deposit, corrosion and wear resistance, reduce internal stress and the stability of raising material
Etc. all show a degree of improvement.
Cryogenics application is absorbed heat to obtain low temperature environment usually using liquid nitrogen as low-temperature receiver using its phase transformation (gasification).Nitrogen
Gas is one of main composition in air, nonpoisonous and tasteless, thus the application environmental sound of cryogenics, belongs to green manufacturing
Technology category.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of preparation method of wear-resistant conductive fiber, at deep cooling
Reason, and then improve the Optical instrument between carbon nanotubes yarn and resin matrix interface, improve the wear-resisting property of carbon nano-tube fibre.
In order to solve the above technical problem, the present invention provides a kind of preparation method of wear-resistant conductive fiber, its feature exists
In, including：Carbon nanotubes yarn is immersed in resin, carbon nano tube composite fibre is made；The carbon nanotubes is compound
Fiber carries out single or multiple cyclic cryogenic treatments in a stretched state, obtains wear-resistant conductive fiber.
Preferably, the elongation of the extended state is 1%-5%.
Preferably, the treatment temperature of the subzero treatment is -90 DEG C to -200 DEG C, and -15 is small when processing time is 3 small
When.
Preferably, the cooling method of the subzero treatment use programme-control under cools down, or be directly placed into -90 DEG C to -
The mode to cool down suddenly under 200 DEG C of ultra-low temperature surroundings；Process of rising again uses temperature programmed control, or uses and be placed directly in room temperature environment
Under the mode risen again.
Preferably, the subzero treatment includes：Carbon nano tube composite fibre is put into deep cooling in a stretched state
It is in the deep cold treatment apparatus of medium, its is closed, -90 DEG C are cooled to as 0.5 DEG C/min-10 DEG C/min arrive -200 using cooling rate
DEG C, processing time for 3 it is small when -15 it is small when, risen again to after room temperature, be disposed with 0.5 DEG C/min-5 DEG C/min of speed.
Preferably, the carbon nanotubes yarn is single cotton sewing thread on cop or multi-wall carbon nano-tube cotton sewing thread on cop.
Preferably, the resin is thermosetting property or thermoplastic resin.
It is highly preferred that the resin is epoxy resin, polyvinyl alcohol resin, polyurethane resin or polyamide.
Preferably, before carbon nanotubes yarn is immersed in resin, first resin is diluted using diluent.
Preferably, the viscosity of the resin is controlled between 100-300mPa.s.
Preferably, the diluent is reactive diluent or non-activated thinner, and the reactive diluent is preferably
At least one of acrylic glycidol ether, phenyl glycidyl ether and ethylene glycol bisglycidyl ether；Described is nonactive
Diluent is preferably at least one of alcohol, benzene, ethanol, acetone, butanol or dibutyl ester.
Preferably, 10~500 microns of the diameter of the carbon nanotubes yarn.
Preferably, the soaking time for 0.5 it is small when -5 it is small when.
Weaving that carbon nanotubes yarn in the present invention can be adopted as direct spinning, array reels off raw silk from cocoons or film twisting
The conventional methods such as method are made.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, carbon nano tube composite fibre is carried out subzero treatment, carbon nano tube composite fibre by the present invention in a stretched state
Crocking resistance and tensile property are significantly improved, and have given full play to the potentiality of carbon fiber material.
2nd, the present invention has given full play to the excellent network conduction of carbon nanotubes using carbon nano-tube fibre as conductive fiber
Performance, conductive effect are more notable.
3rd, the present invention is by subzero treatment, make carbon nanotubes yarn with resin being adhered to each other tightly, improve fiber
Electric conductivity and wearability.The wear-resistant conductive fiber has extensive in electronic textile, electromagnetic shielding, the wearable field of intelligence
Application prospect.
4th, cryogenic treatment process process and deep cold treatment apparatus of the invention are simple in structure, with other modification process phases
Than more saving the energy and production cost, there is good development prospect.
5th, subzero treatment technology of the present invention is absorbed heat to obtain low temperature using liquid nitrogen as low-temperature receiver using its phase transformation (gasification)
It is environment, nonpoisonous and tasteless, environmental-friendly, belong to green manufacture technology category.
6th, the present invention, can be under the premise of the abrasion resistance properties of carbon nano-tube fibre be improved due to using subzero treatment, can
Significantly improve the overall mechanical properties and electric property of carbon nano-tube fibre reinforced resin composite material, and process it is simple,
It is easy to operate, the production cost of modified technique is reduced, there is significant economic benefit and social benefit, possessing good industry should
Use prospect.
Brief description of the drawings
Fig. 1 is the preparation facilities schematic diagram of wear-resistant conductive fiber.
Embodiment
With reference to specific embodiment, the present invention is further explained.It is to be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Scope.
Viscosity in the present invention is tested using rotation viscometer.
Elongation in the present invention refers to the length of sample elongation and the percentage of original length.
The preparation facilities of the wear-resistant conductive fiber used below is as shown in Figure 1, the preparation dress of the wear-resistant conductive fiber
Put including electric rotating machine 1, carbon nanotubes yarn 2, sley point 3, first heater 4, water bath 5, the heating dress of container 6, second
Put 7 and deep cold treatment apparatus 8.Container 6 is arranged in water bath 5, and water bath 5 is arranged in first heater 4, carbon nanotubes yarn
2 under the driving of electric rotating machine 1, after the heating of secondary heating mechanism 7, imports in the container 6 equipped with resin and carries out through sley point 3
Immersion treatment.
Embodiment 1：The preparation method of multi-walled carbon nanotube-polyvinyl alcohol subzero treatment wear-resistant conductive fiber
(1) polyvinyl alcohol (degree of polymerization 1750, alcoholysis degree 98%) is diluted with water, the mass ratio of polyethylene alcohol and water is
1: 16,200 milliliters of poly-vinyl alcohol solution is obtained, in the container 6 for the preparation facilities for being fitted into wear-resistant conductive fiber, is stirred well to
Uniform state, viscosity 30MPa.s.
(2) multi-wall carbon nano-tube cotton sewing thread on cop (100 microns of diameter) 2 is imported under the driving of electric rotating machine 1 through sley point 3
Container 6 is immersed in poly-vinyl alcohol solution, and for 5 temperature control of water bath at 70 DEG C, the boot speed of carbon nanotubes yarn is 20r/
Min, when the duration 1 is small, takes out after 100 DEG C of drying in secondary heating mechanism 7, obtains carbon nano tube composite fibre；
(3) carbon nano tube composite fibre is carried out at 5 circulation deep coolings in the case where elongation is 2% extended state
Reason, the subzero treatment include：Carbon nano tube composite fibre is put into the depth with deep cooling medium liquid nitrogen in a stretched state
In the container of cold treatment equipment 8 (SLX-30), container cover is closely closed, in order to avoid low temperature liquid nitrogen is revealed, influences temperature controlled standard
True property and treatment effect, set cryogenic treatment process parameter such as table 1, and control cooling rate cools to cold insulation temperature, one section of cold insulation
After time, control speed is risen again to after room temperature, is disposed, is obtained wear-resistant conductive fiber.
1 Deep Cryogenic Treatment table of table
After being disposed, after the environment temperature of container reaches room temperature, fiber can't be directly taken out from container with hand,
Use special equipment.Multi-walled carbon nanotube-polyvinyl alcohol composite fiber of subzero treatment to be removed is risen again naturally in atmosphere
During to room temperature, that is, complete processing procedure.
Multi-walled carbon nanotube-polyvinyl alcohol conductive fiber by subzero treatment compares the conduction of multi-wall carbon nano-tube cotton sewing thread on cop
Property is by 4 × 103S/m brings up to 4.4 × 103S/m, improves 10%；Wearability is brought up to 360 seconds by fracture in 160 seconds and is broken, and is carried
It is high by 125%；Tensile strength brings up to 200Mpa by 120MPa, improves 66.7%.
The preparation of 2 multi-walled carbon nanotubes of embodiment-epoxy resin subzero treatment wear-resistant conductive fiber
(1) epoxy resin (E51) and curing agent (R-871) are mixed, the mass ratio of epoxy resin and curing agent is 5:
1,200 milliliters of epoxy resin solution is obtained, in the container 6 for the preparation facilities for being fitted into wear-resistant conductive fiber, is stirred well to
Even state, viscosity 30MPa.s.
(2) multi-wall carbon nano-tube cotton sewing thread on cop (100 microns of diameter) 2 is imported under the driving of electric rotating machine 1 through sley point 3
Container 6 is immersed in epoxy resin solution, and for 5 temperature control of water bath at 70 DEG C, the boot speed of carbon nanotubes yarn is 20r/
Min, when the duration 1.5 is small, takes out after 100 DEG C of drying in secondary heating mechanism 7, obtains carbon nano tube composite fibre；
(3) carbon nano tube composite fibre is subjected to 1 subzero treatment in the case where elongation is 3% extended state,
The subzero treatment includes：Carbon nano tube composite fibre is put at the deep cooling with deep cooling medium liquid nitrogen in a stretched state
In the container for managing equipment 8 (SLX-30), container cover is closely closed, in order to avoid low temperature liquid nitrogen is revealed, influences temperature controlled accuracy
And treatment effect, cryogenic treatment process parameter such as table 2 is set, and control cooling rate cools to cold insulation temperature, and cold insulation is for a period of time
Afterwards, control speed is risen again to after room temperature, is disposed, is obtained wear-resistant conductive fiber.
2 Deep Cryogenic Treatment table of table
| Cooling rate (DEG C/min) | Cold insulation temperature/DEG C | Cold insulation time/(h) | Rise again mode | Deep cooling medium |
| 3 | -180 | 14 | Automatically rise again | Liquid nitrogen |
After being disposed, after container environment temperature reaches room temperature, fiber can't be directly taken out from container with hand, used
Special equipment.Multi-walled carbon nanotube-epoxy resin composite fiber of subzero treatment to be removed rise again naturally in atmosphere to
During room temperature, that is, complete processing procedure
The multi-walled carbon nanotube of subzero treatment-epoxy resin conduction fiber compared to multi-wall carbon nano-tube cotton sewing thread on cop electric conductivity by
4×103S/m brings up to 4.5 × 103S/m, improves 12.5%；Wearability is brought up to 280 seconds by fracture in 160 seconds and is broken, and is improved
75%；Tensile strength brings up to 220Mpa by 120MPa, improves 83.3%.
The preparation method of 3 single-walled carbon nanotubes of embodiment-polyvinyl alcohol subzero treatment wear-resistant conductive fiber
(1) polyvinyl alcohol (degree of polymerization 1750, alcoholysis degree 98%) is diluted with deionized water, the quality of polyethylene alcohol and water
Ratio is 1: 16, obtains 200 milliliters of epoxy resin solution, in the container 6 for the preparation facilities for being fitted into wear-resistant conductive fiber, fully
It is stirred until homogeneous state, viscosity 30MPa.s.
(2) by single cotton sewing thread on cop (30 microns of diameter) 2 under the driving of electric rotating machine 1, import and hold through sley point 3
Device 6 is immersed in poly-vinyl alcohol solution, and for 5 temperature control of water bath at 70 DEG C, the boot speed of carbon nanotubes yarn is 20r/
Min, when the duration 1 is small, takes out after 60-110 DEG C of drying in secondary heating mechanism 7, obtains carbon nano tube composite fibre；
(3) carbon nano tube composite fibre is carried out at 5 circulation deep coolings in the case where elongation is 5% extended state
Reason, the subzero treatment include：Carbon nano tube composite fibre is put into the depth with deep cooling medium liquid nitrogen in a stretched state
In the container of cold treatment equipment 8 (SLX-30), container cover is closely closed, in order to avoid low temperature liquid nitrogen is revealed, influences temperature controlled standard
True property and treatment effect, set cryogenic treatment process parameter such as table 3, and control cooling rate cools to cold insulation temperature, one section of cold insulation
After time, control speed is risen again to after room temperature, is disposed, is obtained wear-resistant conductive fiber.
3 Deep Cryogenic Treatment table of table
| Cooling rate (DEG C/min) | Cold insulation temperature/DEG C | Cold insulation time/(h) | Rise again mode | Deep cooling medium |
| 1 | -195 | 12 | Automatically rise again | Liquid nitrogen |
After being disposed, after container environment temperature reaches room temperature, fiber can't be directly taken out from container with hand, used
Special equipment.Single-walled carbon nanotube-polyvinyl alcohol composite fiber of subzero treatment to be removed rise again naturally in atmosphere to
During room temperature, that is, complete processing procedure.
Single-walled carbon nanotube-polyvinyl alcohol conductive fiber by subzero treatment compares the conduction of single cotton sewing thread on cop
Property is by 1.2 × 104S/m brings up to 1.5 × 104S/m, improves 25%；Wearability is brought up to 263 seconds by fracture in 106 seconds and is broken,
Improve 148%；Tensile strength brings up to 516Mpa by 300MPa, improves 72%.
Claims (5)
- A kind of 1. preparation method of wear-resistant conductive fiber, it is characterised in that including：Carbon nanotubes yarn is immersed in resin, The viscosity of resin is controlled between 100-300mPa.s, soaking time for 0.5 it is small when -5 it is small when, the compound fibre of carbon nanotubes is made Dimension；The carbon nano tube composite fibre is subjected to single or multiple cyclic cryogenic treatments, the stretching in a stretched state The elongation of state is 1%-5%, obtains wear-resistant conductive fiber；The treatment temperature of the subzero treatment arrives -200 for -90 DEG C DEG C, processing time for 3 it is small when -15 it is small when, the cooling method of the subzero treatment uses to cool down under programme-control, or directly puts Enter the mode to cool down suddenly under -90 DEG C to -200 DEG C of ultra-low temperature surroundings；Process of rising again uses temperature programmed control, or uses and directly put The mode risen again under room temperature environment.
- 2. the preparation method of wear-resistant conductive fiber as claimed in claim 1, it is characterised in that the subzero treatment includes： Carbon nano tube composite fibre is put into a stretched state in the deep cold treatment apparatus with deep cooling medium, its is closed, with drop Warm speed cools to -90 DEG C to -200 DEG C for 0.5 DEG C/min-10 DEG C/min, when processing time is 3 small -15 it is small when, with speed 0.5 DEG C/min-5 DEG C/min rises again to after room temperature, is disposed.
- 3. the preparation method of wear-resistant conductive fiber as claimed in claim 1, it is characterised in that the carbon nanotubes yarn is Single cotton sewing thread on cop or multi-wall carbon nano-tube cotton sewing thread on cop.
- 4. the preparation method of wear-resistant conductive fiber as claimed in claim 1, it is characterised in that soaked by carbon nanotubes yarn Before in resin, first resin is diluted using diluent.
- 5. the preparation method of wear-resistant conductive fiber as claimed in claim 1, it is characterised in that the carbon nanotubes yarn 10~500 microns of diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352567.4A CN106012537B (en) | 2016-05-25 | 2016-05-25 | A kind of preparation method of wear-resistant conductive fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352567.4A CN106012537B (en) | 2016-05-25 | 2016-05-25 | A kind of preparation method of wear-resistant conductive fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106012537A CN106012537A (en) | 2016-10-12 |
| CN106012537B true CN106012537B (en) | 2018-05-15 |
Family
ID=57093499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610352567.4A Expired - Fee Related CN106012537B (en) | 2016-05-25 | 2016-05-25 | A kind of preparation method of wear-resistant conductive fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106012537B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379170A (en) * | 2018-12-27 | 2020-07-07 | 苏州迪塔杉针织有限公司 | Preparation method of coating liquid for enhancing wear resistance of textile fiber yarns |
| CN110184550A (en) * | 2019-07-08 | 2019-08-30 | 南昌航空大学 | A kind of cryogenic treating process of continuous filament reinforced metallic matrix composite |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5865913A (en) * | 1995-06-19 | 1999-02-02 | 300 Below, Inc. | Deep cryogenic tempering process based on flashing liquid nitrogen through a dispersal system |
| CN103590233A (en) * | 2013-11-01 | 2014-02-19 | 东华大学 | Method for interfacial modification of carbon fiber by cryogenic treatment |
| CN104231296A (en) * | 2014-09-15 | 2014-12-24 | 东华大学 | Method for modifying carbon fiber composite material by cryogenic treatment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014204517A2 (en) * | 2013-03-16 | 2014-12-24 | Mcclung Guy L | Cryogenic treatments & systems, materials made with them & methods for using them |
-
2016
- 2016-05-25 CN CN201610352567.4A patent/CN106012537B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5865913A (en) * | 1995-06-19 | 1999-02-02 | 300 Below, Inc. | Deep cryogenic tempering process based on flashing liquid nitrogen through a dispersal system |
| CN103590233A (en) * | 2013-11-01 | 2014-02-19 | 东华大学 | Method for interfacial modification of carbon fiber by cryogenic treatment |
| CN104231296A (en) * | 2014-09-15 | 2014-12-24 | 东华大学 | Method for modifying carbon fiber composite material by cryogenic treatment |
Non-Patent Citations (2)
| Title |
|---|
| "Improvement of Carbon Nanotubes using Cryogenic Treatment";Dae-Weon KIM 等;《Japanese Journal of Applied Physics》;20071116;第46卷(第45期);第L1096-L1098页 * |
| "聚乙烯醇涂层碳纳米管纱线的力学及电学性能";刘玮 等;《印染》;20160501(第9期);第1-5页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106012537A (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105821524A (en) | Preparation method of modified carbon nanotube/graphene-resin conductive fibers | |
| CN104153128B (en) | A kind of preparation method based on ordered arrangement distorted-structure flexible extensible device | |
| CN103590233B (en) | A kind of subzero treatment carries out the method for interface modification to carbon fiber | |
| CN106012537B (en) | A kind of preparation method of wear-resistant conductive fiber | |
| CN105862142B (en) | A kind of preparation method of polyacrylonitrile/graphene composite nano fibre yarn | |
| CN104228090B (en) | Method for modifying aramid fiber composite by subzero treatment | |
| CN104231296A (en) | Method for modifying carbon fiber composite material by cryogenic treatment | |
| CN102953171A (en) | Carbon nanotube spinning machine and method for preparing carbon nanotube yarns by use of same | |
| CN108048956A (en) | It is a kind of to twist with the fingers graphene fiber and preparation method thereof certainly | |
| CN110607582A (en) | Method for preparing continuous PAN piezoelectric yarn by electrostatic spinning | |
| CN112030268A (en) | Continuous dry-wet combined spinning method for graphene | |
| CN101899724B (en) | Production technology of composite conducting fiber | |
| CN100422399C (en) | Method for spinning ultra -high strength ultra-high modules polyethylene fibre | |
| CN106811845B (en) | Spherical shape is to spurt brush type mass nano fibre yarn wire processing device and its application method | |
| CN100376733C (en) | Strong conveyor belt and polyester fibre silk fabric core used thereof | |
| CN1334363A (en) | Silk-like material and its preparing process | |
| CN207537611U (en) | A kind of carbon fibre carbonizing and prepreg assembly line | |
| CN109402789A (en) | The device and method for improving carbon fiber mechanical property | |
| CN101250769A (en) | Method for manufacturing electric spinning of high-powered carbon nano-tube/PBO composite fiber | |
| CN203877639U (en) | Constant tension precursor returning device for carbon fiber precursor machine | |
| CN103320896B (en) | Antistatic polyester brocade composite superfine fibre and production method | |
| CN110904674A (en) | High-surface-activity asphalt-based graphite fiber, preparation method thereof and resin-based composite material prepared based on high-surface-activity asphalt-based graphite fiber | |
| CN112176458B (en) | Preparation method of asphalt-based carbon fiber | |
| CN114318664B (en) | Flexible carbon nanofiber membrane with orientation structure and preparation method thereof | |
| CN108951117A (en) | A kind of method of modifying of nylon fabric |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20210525 |