CN105603603B - The preparation method of composite elastic conductive fiber - Google Patents
The preparation method of composite elastic conductive fiber Download PDFInfo
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- CN105603603B CN105603603B CN201610049033.4A CN201610049033A CN105603603B CN 105603603 B CN105603603 B CN 105603603B CN 201610049033 A CN201610049033 A CN 201610049033A CN 105603603 B CN105603603 B CN 105603603B
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- elastomer
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- tube fibre
- conductive fiber
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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
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
- D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
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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
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
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- 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
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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- 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
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/38—Polyurethanes
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- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
- D10B2101/122—Nanocarbons
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- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
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- 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]
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- 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
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
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- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/061—Load-responsive characteristics elastic
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- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
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- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
Abstract
The present invention provides a kind of composite elastic conductive fiber and preparation method thereof, includes the following steps：It draws elastomer respectively from winding machine and draws carbon nano-tube fibre, and one end of carbon nano-tube fibre is fixed with elastomer positioned at the one end for collecting axis；Open winding machine, by carbon nano-tube fibre around the surface for being wrapped in elastomer, form carbon nano-tube fibre fasciated yarn, wherein, screw pitch of the carbon nano-tube fibre on elastomer is adjusted by setting extensibility, collection axis and the retractable volume speed of output shaft and the rotating speed of taping head of elastomer；Carbon nano-tube fibre fasciated yarn is heat-treated and encapsulated.Compared with prior art, the present invention uses wrapped method, by carbon nano-tube fibre uniformly around the surface of elastomer, heat treatment and encapsulation, can effectively solve composite elastic conductive fiber generally existing in the prior art elasticity it is relatively low, easily peelable or be detached from, recycling is poor, the shortcomings of being not easy to carry out secondary operation.
Description
Technical field
The present invention relates to nano material manufacturing fields more particularly to a kind of composite elastic conductive fiber and preparation method thereof.
Background technology
With the fast development of electronic information technology, people propose electronic product and wearable electronic product higher
It is required that electronic product is just developed with very fast speed to directions such as intelligence, micromation, portability, flexibility, elasticity, phase therewith
The product development of pass also by industry extensive concern, meanwhile, as transmission indispensable inside electronic product and intellectual product
The conductive fiber of channel is also badly in need of to functionalization, intelligence, elasticity, flexibility etc. development.
Conductive fiber currently used in the market is mainly all kinds of wires, but the flexibility and elasticity of wire are poor,
More and more inadaptabilities are embodied in terms of function intelligent use, there is also same for another kind of conductive carbon fiber
The problem of sample, and have the shortcomings of electric conductivity is poor, and brittleness is apparent.For these problems, in recent years, many researchers adopt
Various informative elastic conductive fiber is prepared for various methods, for example, by using elastomer as sandwich layer, conducting particles conduct
The composite elastic conductive fiber of skin-core structure is made in cortex；Or uniformly mix conducting powder with elastomeric polymer, it is equal to obtain mixing
Even composite elastic conductive fiber, but above-mentioned filamentary conductive is relatively low, is only used for antistatic；Also have researcher pass through by
Metal nanometer line is adsorbed on elastomer surface, is then combined the two by plasma or heat treatment and is prepared elastic conduction fibre
Dimension, but the additive amount of metallic is typically subject to limit, and the electric conductivity of prepared elastic conductive fiber is than relatively limited.
In conclusion current elastic conductive fiber preparation method all has some problems, it is necessary to propose a kind of novel
Composite elastic conductive fiber and preparation method thereof.
Invention content
The purpose of the present invention is to provide a kind of composite elastic conductive fibers to solve the above problems and preparation method thereof.
For achieving the above object, the present invention provides a kind of preparation method of composite elastic conductive fiber, the method
Include the following steps：
S1, elastomer is drawn, and will be on the collection axis one end of which is fixed on winding machine from the output shaft of winding machine；
S2, carbon nano-tube fibre is drawn from the taping head of winding machine, and one end of carbon nano-tube fibre and elasticity is fine
One end that dimension is located at collection axis is fixed；
S3, winding machine is opened, carbon nano-tube fibre forms carbon nano-tube fibre looping around the surface for being wrapped in elastomer
Yarn, wherein, it is adjusted by setting extensibility, collection axis and the retractable volume speed of output shaft and the rotating speed of taping head of elastomer
Save screw pitch of the carbon nano-tube fibre on elastomer；
S4, the carbon nano-tube fibre fasciated yarn is thermally treated resulting in primary elastic conductive fiber；
S5, primary elastic conductive fiber is packaged using elastomeric polymer to obtain composite elastic conductive fiber.
As a further improvement on the present invention, the taping head is arranged between the output shaft and the collection axis, institute
It states taping head and includes the first rotating part and the second rotating part for being located on first rotating part, first rotating part and described
Second rotating part is rotated rotating around the axis of its own, and the carbon nano-tube fibre is wrapped on second rotating part.
As a further improvement on the present invention, first rotating part is discoid, and it is fine for the elasticity to which is provided with one
The through-hole worn is tieed up, the internal diameter of the through-hole is more than the diameter of the elastomer.
As a further improvement on the present invention, the extensibility of the elastomer is 0-500%, the collection axis and output
The retractable volume speed of axis is identical, is all higher than or equal to 10 r/min, the rotary speed of first rotating part is greater than or equal to 10
r/min。
As a further improvement on the present invention, in the S2 steps " winding machine is opened, carbon nano-tube fibre is around being wrapped in elasticity
The surface of fiber forms carbon nano-tube fibre fasciated yarn " be specially：
Winding machine is opened, what the rolling speed for collecting axis was synchronized with output shaft unreels speed so that elastomer is protected always
The extensibility for holding setting is constant, by the cooperation of the first rotating part and the second rotating part rotation by carbon nano-tube fibre around being wrapped in bullet
Property fiber surface, formed carbon nano-tube fibre fasciated yarn.
As a further improvement on the present invention, the temperature of the heat treatment is 50 DEG C ~ 700 DEG C, and the time is 1min ~ 5h.
As a further improvement on the present invention, described " primary elastic conductive fiber is packaged using elastomeric polymer "
Step is specially：The surface that elastomeric polymer is impregnated or infiltrated or sprays or be spin-coated on the primary elastic conductive fiber carries out
Encapsulation.
As a further improvement on the present invention, the elastomeric polymer be dimethyl silicone polymer or high resilience polyurethane,
Screw pitch of the carbon nano-tube fibre on the elastomer is 0.1mm ~ 2cm.
The beneficial effects of the invention are as follows：The present invention uses wrapped method, by carbon nano-tube fibre uniformly around elasticity
The surface of fiber, then carrying out heat treatment makes carbon nano-tube fibre carry out good combination with elastomer, finally in primary elasticity
It is packaged outside conductive fiber with elastomeric polymer, can effectively solve composite elastic conductive fiber generally existing in the prior art
Elasticity it is relatively low, easily peelable or be detached from, recycling is poor, the shortcomings of being not easy to carry out secondary operation.
Description of the drawings
Fig. 1 is the structure diagram of the preparation facilities of carbon nano-tube fibre fasciated yarn in an embodiment of the present invention；
Fig. 2 is the flow chart of composite elastic conductive fiber preparation method in an embodiment of the present invention；
Fig. 3 a, Fig. 3 b are that carbon nano-tube fibre is fine around elasticity with different screw pitches in an embodiment of the present invention
The optical photograph in composite elastic conductive fiber on dimension table face；
Fig. 4 is that composite elastic conductive fiber increases resistance variations situation map with extensibility in an embodiment of the present invention；
Fig. 5 is the variation that composite elastic conductive fiber increases resistance with washing time and number in an embodiment of the present invention
Situation map.
Specific embodiment
Below with reference to each embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are not
The limitation present invention, structure that those of ordinary skill in the art are made according to these embodiments, method or change functionally
It changes and is all contained in protection scope of the present invention.
Join Fig. 1 and Fig. 2, introduce a specific embodiment of composite elastic conductive fiber preparation method of the present invention.In this reality
It applies in mode, this method specifically includes：
S1, elastomer is drawn, and will be on the collection axis one end of which is fixed on winding machine from the output shaft of winding machine.It is wrapped
Machine 10 includes output shaft（It is not shown）, collect axis（It is not shown）With taping head 11, wherein, taping head 11 be set on output shaft with collect
Between axis.Elastomer 20 is previously wound around on output shaft, and stretches out a free end, which is fixed on and is collected on axis,
It collects shaft rotation and moves winding of the achievable elastomer 20 on axis is collected, the extensibility of elastomer is 0-500%.
S2, carbon nano-tube fibre is drawn from the taping head of winding machine, and one end of carbon nano-tube fibre and elasticity is fine
One end that dimension is located at collection axis is fixed.The second rotation that taping head 11 includes the first rotating part 111 and is located on the first rotating part 111
Transfer part 112, the first rotating part 111 and the second rotating part 112 can be rotated rotating around the axis of its own.In advance by carbon nanotube fibre
Dimension 30 is wrapped on the second rotating part 112, and stretches out a free end, and the free end and elastomer 20 are located at and collect the one of axis
End is fixed.
S3, winding machine is opened, carbon nano-tube fibre forms carbon nano-tube fibre looping around the surface for being wrapped in elastomer
Yarn, wherein, it is adjusted by setting extensibility, collection axis and the retractable volume speed of output shaft and the rotating speed of taping head of elastomer
Save screw pitch of the carbon nano-tube fibre on elastomer.
Specifically, the first rotating part 111 of taping head 11 is discoid, which is provided with a through-hole 1111, elastomer 20
It is arranged in through-hole 1111, the internal diameter of through-hole 1111 is more than the diameter of elastomer 20, and elastomer 20 does not touch through-hole
1111 inner wall, the second rotating part 112 are positioned close to the edge of disk.Winding machine 10 is opened, collects the rolling speed of axis
Be synchronized with output shaft unreels speed so that elastomer 20 remains that the extensibility of setting is constant, and elastomer 20 is continuous
Axis movement is collected in ground from output is axial, is rotated by the cooperation of the first rotating part 111 and the second rotating part 112 by carbon nanotube fibre
Dimension 30 forms carbon nano-tube fibre fasciated yarn 40, carbon nano-tube fibre fasciated yarn 40 is received around the surface for being wrapped in elastomer 20
Collect axis winding to collect.What needs to be explained here is that the second rotating part 112 not only follows the first rotating part 111 to rotate, also around it certainly
The axis rotation of body, by the cooperation of the second rotating part 112 and the first rotating part 111 rotation by carbon nano-tube fibre 30 around being wrapped in
The surface of elastomer 20.It collects axis and the retractable volume action of output shaft and the rotation of taping head is driven by motor, be ability
Known to field technique personnel, details are not described herein.
Preferably, the extensibility of elastomer 20 is 0-500%, and collection axis is identical with the retractable volume speed of output shaft, greatly
In or equal to 10 r/min, speed limit is not set, the rotary speed minimum speed of the first rotating part 111 is 10 r/min, is not set
Speed limit, the rotary speed of the second rotating part 112 change with the variation of the rotary speed of the first rotating part 111.By setting
It puts the extensibility of elastomer, collect axis and the retractable volume speed of output shaft and the rotating speed of taping head to adjust carbon nano-tube fibre
Screw pitch on elastomer is between 0.1mm ~ 2cm（Join Fig. 3 a-3b）, by controlling carbon nano-tube fibre 30 in elasticity
Screw pitch on fiber 20 can control the integral, flexible and electric conductivity of composite elastic conductive fiber.
S4, carbon nano-tube fibre fasciated yarn 40 is thermally treated resulting in primary elastic conductive fiber.The temperature of heat treatment is 50
DEG C ~ 700 DEG C, the time is 1min ~ 5h.
S5, primary elastic conductive fiber is packaged using elastomeric polymer to obtain composite elastic conductive fiber.First
The surface dipping of grade elastic conductive fiber or infiltration or spraying or one layer of elastomeric polymer of spin coating, size is in micron or sub-micron
Grade, protects primary elastic conductive fiber, so as to increase its electricity and performance.Preferably, elastomeric polymer is poly-
Dimethyl siloxane or high resilience polyurethane.The thickness of elastomeric polymer encapsulation is excellent generally in micron or the submicron order order of magnitude
Selection of land, the thickness of elastomeric polymer encapsulation are less than 10 microns.Composite elastic conductive fiber is protected, so as to increase its electricity
And performance.
The composite elastic conductive fiber prepared by the above method has higher elasticity（More than 300%）, it is preferably electric
Learn stability（Resistance variations are small, and cycle-index is high）, higher operability and durability be convenient for secondary operation, can be with
Be bent, compress torsion etc. operations, can also with other fibers carry out it is blended, weaving etc., water-fastness, acid-proof alkaline compared with
It is good, recycling rate is higher etc., it also allows for being mass produced from industrialization angle.
Correspondingly, the composite elastic conductive fiber that prepared by a kind of preparation method by the above embodiment, including elasticity
Fiber, carbon nano-tube fibre and elastomeric polymer, carbon nano-tube fibre form carbon nanotube fibre around the surface for being wrapped in elastomer
Fasciated yarn is tieed up, elastomeric polymer is coated on the surface of the carbon nano-tube fibre fasciated yarn.Preferably, elastomer is polyurethane
Elastomer or polyesters elastomer or complex polyester elastomer or polyolefin elastic fiber or polyester ether elastic fiber or
Textured yarn class elastomer etc., screw pitch of the carbon nano-tube fibre on elastomer surface are 0.1mm ~ 2cm.Flexible polymer
Object is all kinds of flexible polymer such as dimethyl silicone polymer or high resilience polyurethane.Package dimension（Package thickness）It can be with
It determines as needed, general elastomeric polymer package thickness is less than 10 microns.
Join Fig. 4, composite elastic conductive fiber is with the increase resistance variations situation map of level of stretch, from fig. 4, it can be seen that compound
The level of stretch of elastic conductive fiber resistance change rate below 100% is about 10%, level of stretch resistance variations below 300%
Rate is about 25%, and resistance variations are larger when level of stretch is more than 300%, and it is conductive fine to develop the multiple composite elastic according to this performance
Tie up the application in terms of sensing is stretched.
Join Fig. 5, composite elastic conductive fiber increases the figure of changing of resistance, usability aspect with washing time and number
With the increase for the treatment of time of water and number, the electric conductivity of fiber not only has a degree of promotion instead without declining, this says
The bright composite elastic conductive fiber has preferable usability；In addition composite elastic conductive fiber is twisted and untwisting, electricity
The variation of resistance is also very small, only several ohm, also illustrates that the electrical stability of the composite elastic conductive fiber is preferable.
In order to preferably illustrate the present invention, the specific implementation of some composite elastic conductive fiber preparation methods presented below
Example.
Embodiment 1
From the output shaft extraction elastomer of winding machine, tensile elasticity fiber and by one end of which is fixed on the collections of winding machine
On axis, carbon nano-tube fibre is drawn from the taping head of winding machine, and one end of carbon nano-tube fibre is located at elastomer
The one end for collecting axis is fixed, and it is 400r/min that axis and the retractable volume speed of output shaft are collected in setting, and the winding of elastomer is drawn
It is 10% to stretch rate, and the first rotating part rotating speed is 60r/min.Winding machine, the first rotating part and the cooperation rotation of the second rotating part are opened,
The rotary speed for adjusting the second rotating part is adapted to the rotary speed of the first rotating part.Elastomer is constantly received from output is axial
Collect axis movement, by carbon nano-tube fibre around the surface for being wrapped in elastomer, form carbon nano-tube fibre fasciated yarn, carbon nanotube
Screw pitch of the fiber on elastomer is 20mm.Carbon nano-tube fibre fasciated yarn is heat-treated, the temperature of heat treatment
It is 50 DEG C, time 5h so that carbon nano-tube fibre is combined into entity with elastomer, obtains primary elastic conductive fiber.
By one layer of elastomeric polymer of surface spraying of primary elastic conductive fiber, package dimension 5um, most Zhongdao composite elastic are conductive fine
Dimension.
Embodiment 2
From the output shaft extraction elastomer of winding machine, tensile elasticity fiber and by one end of which is fixed on the collections of winding machine
On axis, carbon nano-tube fibre is drawn from the taping head of winding machine, and one end of carbon nano-tube fibre is located at elastomer
The one end for collecting axis is fixed, and it is 300r/min that axis and the retractable volume speed of output shaft are collected in setting, and the winding of elastomer is drawn
It is 250% to stretch rate, and the first rotating part rotating speed is 120r/min.Open winding machine, the first rotating part and the cooperation rotation of the second rotating part
Turn, the rotary speed for adjusting the second rotating part is adapted to the rotary speed of the first rotating part.Elastomer is constantly from output shaft
To axis movement is collected, by carbon nano-tube fibre around the surface for being wrapped in elastomer, carbon nano-tube fibre fasciated yarn is formed, carbon is received
Screw pitch of the mitron fiber on elastomer is 10.23mm.Carbon nano-tube fibre fasciated yarn is heat-treated, is heat-treated
Temperature for 150 DEG C, time 1h so that carbon nano-tube fibre is combined into entity with elastomer, obtains primary elastic conducting
Electric fiber.The surface of primary elastic conductive fiber is infiltrated into one layer of elastomeric polymer, the compound bullet of package dimension 5um, most Zhongdao
Property conductive fiber.
Embodiment 3
From the output shaft extraction elastomer of winding machine, tensile elasticity fiber and by one end of which is fixed on the collections of winding machine
On axis, carbon nano-tube fibre is drawn from the taping head of winding machine, and one end of carbon nano-tube fibre is located at elastomer
The one end for collecting axis is fixed, and it is 200r/min that axis and the retractable volume speed of output shaft are collected in setting, and the winding of elastomer is drawn
It is 500% to stretch rate, and the first rotating part rotating speed is 90r/min.Winding machine, the first rotating part and the cooperation rotation of the second rotating part are opened,
The rotary speed for adjusting the second rotating part is adapted to the rotary speed of the first rotating part.Elastomer is constantly received from output is axial
Collect axis movement, by carbon nano-tube fibre around the surface for being wrapped in elastomer, form carbon nano-tube fibre fasciated yarn, carbon nanotube
Screw pitch of the fiber on elastomer is 0.1mm.Carbon nano-tube fibre fasciated yarn is heat-treated, the temperature of heat treatment
It is 700 DEG C, time 1min so that carbon nano-tube fibre is combined into entity with elastomer, and it is fine to obtain primary elastic conduction
Dimension.By one layer of elastomeric polymer of surface spin coating of primary elastic conductive fiber, package dimension 5um, most Zhongdao composite elastic is led
Electric fiber.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
For bright book as an entirety, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically
Bright, they are not to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of preparation method of composite elastic conductive fiber, which is characterized in that this method includes the following steps：
S1, elastomer is drawn, and will be on the collection axis one end of which is fixed on winding machine from the output shaft of winding machine；
S2, carbon nano-tube fibre is drawn from the taping head of winding machine, and by one end of carbon nano-tube fibre and elastomer position
It is fixed in the one end for collecting axis；
S3, winding machine is opened, carbon nano-tube fibre forms carbon nano-tube fibre fasciated yarn around the surface for being wrapped in elastomer,
In, adjust carbon by setting extensibility, collection axis and the retractable volume speed of output shaft and the rotating speed of taping head of elastomer
Screw pitch of the nanotube fibers on elastomer；
S4, the carbon nano-tube fibre fasciated yarn is thermally treated resulting in primary elastic conductive fiber；
S5, primary elastic conductive fiber is packaged using elastomeric polymer to obtain composite elastic conductive fiber.
2. the preparation method of composite elastic conductive fiber according to claim 1, which is characterized in that the taping head setting
Between the output shaft and the collection axis, the taping head includes the first rotating part and is located on first rotating part
Second rotating part, first rotating part and second rotating part are rotated rotating around the axis of its own, the carbon nanotube
Fiber is wrapped on second rotating part.
3. the preparation method of composite elastic conductive fiber according to claim 2, which is characterized in that first rotating part
It is discoid, which is provided with a through-hole worn for the elastomer, the internal diameter of the through-hole is more than the elastomer
Diameter.
4. the preparation method of composite elastic conductive fiber according to claim 2, which is characterized in that the elastomer
Extensibility is 0-500%, and the collection axis is identical with the retractable volume speed of output shaft, is all higher than or equal to 10 r/min, described the
The rotary speed of one rotating part is greater than or equal to 10 r/min.
5. the preparation method of composite elastic conductive fiber according to claim 2, which is characterized in that in the S2 steps
" opening winding machine, carbon nano-tube fibre forms carbon nano-tube fibre fasciated yarn around the surface for being wrapped in elastomer " is specially：
Winding machine is opened, what the rolling speed for collecting axis was synchronized with output shaft unreels speed so that elastomer remains sets
Fixed extensibility is constant, by the cooperation rotation of the first rotating part and the second rotating part that carbon nano-tube fibre is elastic fine around being wrapped in
The surface of dimension forms carbon nano-tube fibre fasciated yarn.
6. the preparation method of composite elastic conductive fiber according to claim 1, which is characterized in that the temperature of the heat treatment
It is 50 DEG C ~ 700 DEG C to spend, and the time is 1min ~ 5h.
7. the preparation method of composite elastic conductive fiber according to claim 1, which is characterized in that described " by primary bullet
Property conductive fiber is packaged using elastomeric polymer " step is specially：Elastomeric polymer is impregnated or infiltrated or sprayed or revolved
The surface for being coated in the primary elastic conductive fiber is packaged.
8. the preparation method of composite elastic conductive fiber according to claim 1, which is characterized in that the elastomeric polymer
For dimethyl silicone polymer or high resilience polyurethane, screw pitch of the carbon nano-tube fibre on the elastomer is
0.1mm~2cm。
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| CN107447539B (en) * | 2016-05-30 | 2020-02-14 | 中国科学院上海硅酸盐研究所 | High-elasticity electric heating fiber and preparation method and application thereof |
| CN106024656A (en) * | 2016-06-15 | 2016-10-12 | 苏州捷迪纳米科技有限公司 | Elastic guide wire and preparation method thereof |
| CN108896199B (en) * | 2018-08-21 | 2020-06-23 | 厦门大学 | Stretchable yarn sensor and preparation method thereof |
| CN110042522A (en) * | 2019-04-16 | 2019-07-23 | 东华大学 | A kind of water-fastness electric heating fabrics of air-permeable elastic and preparation method thereof |
| CN110129942B (en) * | 2019-06-14 | 2020-09-25 | 武汉纺织大学 | Elastic conductive yarn and preparation method thereof |
| CN111605226B (en) * | 2020-05-26 | 2021-10-29 | 宁波江丰复合材料科技有限公司 | Forming method of fiber material, fiber material prepared by forming method and application of fiber material |
| CN113624121A (en) * | 2021-06-24 | 2021-11-09 | 天津大学 | Fiber type triboelectric strain sensor and preparation method thereof |
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