CN105821663B - Conductive graphene fiber and production method and system - Google Patents
Conductive graphene fiber and production method and system Download PDFInfo
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- CN105821663B CN105821663B CN201610306203.2A CN201610306203A CN105821663B CN 105821663 B CN105821663 B CN 105821663B CN 201610306203 A CN201610306203 A CN 201610306203A CN 105821663 B CN105821663 B CN 105821663B
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- 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
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B13/00—Treatment of textile materials with liquids, gases or vapours with aid of vibration
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- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
Abstract
The present invention discloses a kind of conductive graphene fiber and production method and system, mainly for the conductive fiber conductive capability under prior art it is weak the problem of, propose a kind of conductive graphene fiber, including linear matrix material and the graphene conductive coating that is coated on outside matrix material；The graphene conductive coating is as follows containing composition in parts by mass：1~1.8 part of graphene, 7~25 parts of conductive black, 40~50 parts of acrylic resin；Its production method and system are as follows：Spinned using spinning machine, tubing flow displacement graphitization alkene ink and conductive black ink are submitted in monofilament long fibre using yarn flush coater, simultaneously silk is carried out using doubling winder, forms strand, using strand flush coater on strand alternating spray conductive black ink and graphene ink, formed conductive graphene fiber.Electric conductivity of the present invention is good, and it is good to fold processing characteristics.
Description
Technical field
The present invention relates to the production method and production system of a kind of conductive graphene fiber and the conductive graphene fiber.
Background technology
Conductive fiber is a kind of fiber being in great demand, and compared with traditional conductive material, conductive fiber softness is very thin,
Anti-fatigue ability is strong, it is not easy to fractureed due to reaching fatigue limit, also, conductive fiber can also be woven into various fabrics,
For for clothes heating or antistatic.Existing conductive fiber is the fiber of outer plating metal, or even the wire for the use having
As conductive fiber.For the fiber using outer plating metal, its electric conductivity is unsatisfactory, and makes during metal is plated
Industrial chemicals can also pollute to environment.And wire as conductive fiber, the difference of traditional conducting metal is little,
If added when weaving face fabric, fabric needs attention especially when folding, while the comfortableness of fabric also can be significantly
Decline.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of conductive graphene fiber with excellent conductive performance.
To reach above-mentioned purpose, conductive graphene fiber of the present invention, including linear matrix material and being coated on matrix
Graphene conductive coating outside material；The graphene conductive coating is as follows containing composition in parts by mass：Graphene 1~1.8
Part, 7~25 parts of conductive black, 40~50 parts of acrylic resin.
The conductive graphene fiber of the present invention, uses graphene and conductive black as conductive agent, is viscous using acrylic resin
Agent is tied, the material used will not pollute to natural environment.It is tablet additionally, due to graphene, and conductive black is particle
Shape.Therefore graphene conductive coating forms one kind using flake graphite alkene as conducting matrix grain, and conductive black is embedded in flake graphite alkene
Between form the state of conductive node, so as to which the fiber of, conductive capability of the invention than existing outer plating metal greatly enhances, its
Comfortableness and folding processing characteristics also greatly enhance than wire.
In order to achieve the above object, conductive graphene fiber production method of the present invention comprises the following steps：Spinning, yarn spray
Apply and silk, strand spray；Wherein,
The spinning stage：Chopped fiber is spinned, forms a monofilament long fibre；
The yarn spraying process：By the monofilament long fibre alternating spray graphene ink and conductive black ink, shape
Into graphene conductive monofilament；
Described and silk step：Turn into a strand by the graphene conductive monofilament is compound；
The strand spraying process：By the strand alternating spray conductive black ink and graphene ink, formed conductive
Graphene fiber.
Further, spraying adjustment process is also included in the yarn spraying process and the strand spraying process, it is described
Spraying adjustment process includes：Resistive thread rate measuring process, spray rate set-up procedure；Wherein,
The resistive thread rate measuring process：The monofilament long fibre or the strand often spray by a graphene ink
Apply or conductive black ink sprays, carry out a resistivity measurement；
The spray rate set-up procedure：If current resistivity deviates predetermined resistivity scope, adjust and spray next time
When graphene ink or conductive black ink spray rate, if to current resistivity in the range of predetermined resistivity,
The spray rate of graphene ink or conductive black ink when keeping spraying next time is constant.
Further, Homogenization Treatments step is also included in the yarn spraying process and the strand spraying process；
The Homogenization Treatments step：Monofilament long fibre or strand are caused using ultrasonic vibrating unit in spraying process
Vibrations, mix the graphene ink and conductive black ink on monofilament long fibre, and by graphene ink and conductive black
Ink is uniformly distributed on monofilament long fibre.
Further, baking step is also included after the yarn spraying process and the strand spraying process；
The baking step：The graphene conductive monofilament or the graphene fiber are subjected to drying process several times；
The graphene conductive monofilament or the graphene fiber often pass through primary drying process, a moisture measurement are carried out, if currently
Humidity deviate from predetermined humidity range, then drying process next time is adjusted, if current humidity is predetermined wet
In the range of degree, then keep drying process next time constant.
Conductive graphene fiber preparation method of the present invention, chopped fiber is woven into monofilament first, and then will be in monofilament
Submit tubing flow displacement graphitization alkene ink and conductive black ink, conductive coating be initially formed on monofilament, so as to carry out again and silk it
The content of conductive agent in whole piece conductive fiber can be improved afterwards, improves its conductive capability, because simultaneously silk is by two or two
More than monofilament merge, form strand, therefore, may there is the position of incomplete contact between monofilament, and it is this not
The position of full contact can cause conductive capability in this place to decline, and therefore, graphene oil be carried out again after simultaneously silk is completed
The spraying of ink and conductive black ink, so as to fill up the gap between each monofilament, while improves the content of conductive agent, and enhancing is conductive
Ability.
To reach above-mentioned purpose, spinning machine that conductive graphene fiber production system includes setting gradually, yarn flush coater,
Doubling winder and strand flush coater；Wherein
The used in spinning machine by raw material chopped fiber in being processed into monofilament long fibre；
The yarn flush coater includes some graphene ink spray equipments and some conductive black ink spray equipments；Institute
Graphene ink spray equipment interval setting is stated, conductive black oil is provided with the interval of adjacent two graphenes ink spray equipment
Black spray equipment；
The doubling winder is used to the monofilament long fibre by spraying being processed into strand；
The strand flush coater includes some conductive black ink spray equipments and some graphene ink spray equipments；Institute
Conductive black ink spray equipment interval setting is stated, graphene is provided with the interval of adjacent two conductive blacks ink spray equipment
Ink spray equipment.
Further, two are provided between adjacent graphene ink spray equipment and conductive black ink spray equipment
Guide roller, two guide rollers are arranged at intervals, and electric resistance measuring apparatus is provided between described two guide rollers；The conductive charcoal
Black ink spray equipment and the graphene ink spray equipment include controller and flow regulator, the controller and institute
State flow regulator electrical connection；Electric resistance measuring apparatus after the graphene ink spray equipment sprays with next graphene ink
The controller of coating device electrically connects, the electric resistance measuring apparatus after the conductive black ink spray equipment and next conductive black
The controller electrical connection of ink spray equipment.
Further, some ultrasonic generators are provided with the yarn flush coater and the strand flush coater,
The sound wave that the ultrasonic generator is launched intersects with monofilament long fibre or strand.
Further, it is provided with dryer after the yarn flush coater and the strand flush coater；The drying
Machine includes some drying bakers set gradually and the humidity sensor being arranged between adjacent two drying baker；The drying baker includes
Thermal-insulating body, moisture absorption apparatus, some infrared lamps and drying controller；The thermal-insulating body is perpendicular to graphene conductive monofilament
Two side walls are provided with string holes, and the infrared lamp electrically connects with the drying controller, the humidity sensor and rear phase
The drying controller electrical connection of adjacent drying baker.
Further, yarn pulling device is additionally provided with the yarn flush coater, the yarn pulling device includes yarn
Line drawing guide rail, yarn clamping device and yarn drive device, described yarn drawing guide rail one end are arranged on the spinning machine
Yarn outlet, the other end of the yarn drawing guide rail are arranged on the yarn entering opening of the doubling winder, the yarn drive device driving
The yarn clamping device moves along yarn drawing guide rail；Ingot pressing machine, the stock are provided with after the strand flush coater
Be provided with strand pulling device on wire spraying machine, the strand pulling device include strand drawing guide rail, strand clamping device and
Strand drive device；One end of the strand drawing guide rail is arranged on the line outlet of the doubling winder, and the strand pulls guide rail
The other end be arranged on the line inlet port of the Ingot pressing machine.
Conductive graphene fiber production system of the present invention, yarn flush coater is set between spinning machine and doubling winder, simultaneously
Strand flush coater is set after silk machine, use yarn flush coater by the outer surface of monofilament coat a layer graphene and conductive black for
The conductive coating of conductive agent, using strand flush coater by and simultaneously after monofilament between space fill conductive agent, thus, it is possible to significantly
The content of the conductive agent in fibrous finished product is improved, so as to improve the conductive capability of finished fiber.
Embodiment
The present invention will be further described below.
Embodiment 1
The present embodiment provides a kind of conductive graphene fiber, including linear matrix material and is coated on matrix material
Outer graphene conductive coating；The graphene conductive coating is as follows containing composition in parts by mass：1~1.8 part of graphene, lead
Electric 7~25 parts of carbon black, 40~50 parts of acrylic resin.
In the conductive graphene fiber of the present embodiment, graphene has good electric conductivity, and graphene is with super
Strong toughness and intensity, its performance is suitable as the conductive agent of conductive fiber, but graphene is the structure of sheet, by stone
When black alkene is coated on very thin linear matrix, it is each it is laminar structured can not form enough contacts, therefore individually coat stone
The conductive fiber that black alkene is formed on linear matrix material has certain limitation on lifting conductive capability.It is in view of above-mentioned
Situation, while the outer surface of linear material matrix material is graphene coated, conductive black is coated with, conductive black is particle
The material of shape, after coating is completed, conductive black can be embedded between the lamella of graphene, provided and led for graphene sheet layer
The bridge of electricity, so as to, it becomes possible to formed using graphene sheet layer as skeleton, the three-dimensional conductive structure using conductive black as node.And
Acrylic resin has good caking property, therefore, using acrylic resin as binding agent.
It is demonstrated experimentally that under conditions of individually selecting graphene as conductive agent, with graphene content in conductive coating
Increase, the conductive capability of fiber strengthens rapidly, and when graphene content reaches 1 part, the speed of its conductive capability enhancing slows down, and works as stone
When black alkene content is more than 1.8 parts, its conductive capability does not rise anti-drop, can die down on the contrary.Therefore, mass parts are employed in the present embodiment
For 1~1.8 part of graphene.
It is demonstrated experimentally that when using graphene and conductive black as conductive agent, it is conductive fine with the increase of conductive black content
The conductive capability of dimension strengthens rapidly, when the mass parts content of conductive black is 7-14 times of graphene, the conduction of conductive fiber
Ability is most strong.
It is demonstrated experimentally that using acrylic resin as binding agent, with the content increase of acrylic resin, conductive fiber
Conductive capability can be reduced slowly, and when the mass fraction of acrylic resin is more than 50 parts, the conductive capability of conductive fiber is rapid
Decline.Therefore the present embodiment chooses conductive capability best quality fraction constant interval, and the mass fraction for taking acrylic resin is
40~50 parts.
Embodiment 2
The present embodiment provides a kind of conductive graphene fiber production method, comprises the following steps：Spinning, yarn spray, simultaneously
Silk, strand spraying；Wherein,
The spinning stage：Chopped fiber is spinned, forms a monofilament long fibre；
The yarn spraying process：By the monofilament long fibre alternating spray graphene ink and conductive black ink, shape
Into graphene conductive monofilament；
Described and silk step：Turn into a strand by the graphene conductive monofilament is compound；
The strand spraying process：By the strand alternating spray conductive black ink and graphene ink, formed conductive
Graphene fiber.
The present embodiment conductive graphene fiber preparation method, chopped fiber is woven into monofilament first, and then will be in list
Silk submits tubing flow displacement graphitization alkene ink and conductive black ink, and conductive coating is initially formed on monofilament, so as to carry out simultaneously silk again
The content of conductive agent in whole piece conductive fiber can be improved afterwards, improves its conductive capability, because simultaneously silk is by two or two
Monofilament more than bar merges, and forms strand, therefore, may there is the position of incomplete contact between monofilament, and this
The position of incomplete contact between can cause conductive capability in this place to decline, and therefore, graphene be carried out again after simultaneously silk is completed
The spraying of ink and conductive black ink, so as to fill up the gap between each monofilament, while the content of conductive agent is improved, enhancing is led
Electric energy power.
If the mode of production according to routine has produced fiber, then to conductive coating is sprayed on fiber, can cause monofilament it
Between position can not spray conductive coating, its conductive capability will necessarily decline, and the present embodiment provide conductive fiber system
Make method, first sprayed monofilament, then carry out simultaneously silk, integral spray is finally carried out again, so as to make monofilament contact surface
On also there is conductive coating, and can be also filled up completely with the gap that can not completely attach to of monofilament by conductive coating, make conductive fibre
The conductive coating content of dimension increases substantially, and because the conductive capability of graphene is originally higher than the conductive capability of plating metal,
Therefore, the conductive fiber both soft easy processing of the production method production of the present embodiment, has good electric conductivity again.
Embodiment 3
Also include spraying on the basis of above-described embodiment, in the yarn spraying process and the strand spraying process to adjust
Journey is had suffered, the spraying adjustment process includes：Resistive thread rate measuring process, spray rate set-up procedure；Wherein,
The resistive thread rate measuring process：The monofilament long fibre or the strand often pass through a graphene ink
Spraying or the spraying of conductive black ink, carry out a resistivity measurement；
The spray rate set-up procedure：If current resistivity deviates predetermined resistivity scope, adjust and spray next time
When graphene ink or conductive black ink spray rate, if to current resistivity in the range of predetermined resistivity,
The spray rate of graphene ink or conductive black ink when keeping spraying next time is constant.
In the spraying process of yarn, because the shake of yarn or strand is either due to graphene ink or conductive black
The uniformity coefficient of ink not wait the problem of, frequently can lead to it is uneven in spraying process, and conductive coating it is uneven just
The conductive capability of conductive fiber can be caused different at each position, and the conductive capability of conductive fiber can hand by conductive capability most
The restriction at the position of difference, therefore, spray the decline of the uneven conductive capability that will directly result in conductive fiber.In order to ensure to make
The conductive capability for the conductive fiber made, the present embodiment are tested the resistance of conductive fiber after having sprayed every time, such as
The fruit resistance value will be adjusted not within predetermined resistance range in follow-up spraying process, that is to say, that：Work as process
After the spraying of graphene ink, a resistance test is carried out, it is next if test resistance value is more than predetermined resistance
The spraying of schungite alkene ink will increase the speed of spraying, so as to increase the content of graphene at this, so as to by the resistance value at this
It is adjusted in the range of predetermined resistance；Similarly, the spraying for conductive black ink also uses same control mode.
Embodiment 4
On the basis of above-described embodiment, homogenization is also included in the yarn spraying process and the strand spraying process
Processing step；
The Homogenization Treatments step：Monofilament long fibre or strand are caused using ultrasonic vibrating unit in spraying process
Vibrations, mix the graphene ink and conductive black ink on monofilament long fibre, and by graphene ink and conductive black
Ink is uniformly distributed on monofilament long fibre.
The present embodiment is homogenized graphene ink and conductive black ink using ultrasonic wave in spraying process, by
It can only select to be sprayed for a face or several faces in the spraying of graphene ink and conductive black ink, therefore, spray
During the problem of necessarily causing skewness on linear matrix material, because ultrasonic wave has superpower stirring capacity, because
This, is stirred in spraying process using ultrasonic wave to graphene ink and conductive black ink, can be by graphene ink
It is evenly distributed on linear matrix material with conductive black ink, can also makes between graphene ink and conductive black ink
It is well mixed, so as to make each position conductive capability of conductive fiber identical, avoid the occurrence of the conductive capability of restriction conductive fiber
Position.
Embodiment 5
On the basis of above-described embodiment, also include drying after the yarn spraying process and the strand spraying process
Dry step；
The baking step：The graphene conductive monofilament or the graphene fiber are subjected to drying process several times；
The graphene conductive monofilament or the graphene fiber often pass through primary drying process, a moisture measurement are carried out, if currently
Humidity deviate from predetermined humidity range, then drying process next time is adjusted, if current humidity is predetermined wet
In the range of degree, then keep drying process next time constant.
The present embodiment has carried out drying and processing after yarn spraying and strand spraying, needs to carry out after spraying due to yarn
And silk, and when silk application pressure can be carried out to each monofilament, now if monofilament is not oven-dried, easily causes binding agent quilt
Extrusion, and cause graphene ink or conductive black ink to be extruded, it is impossible to and the combination that monofilament long fibre is good, therefore,
Carrying out and dried before silk.If disposably dried to monofilament, easily cause the binding agent of outer layer dry
And internal layer is unseasoned, so as to cause moisture of internal layer etc. to be sealed by binding agent, cause internal layer to dry, influence conductive fibre
The quality of dimension, therefore, it is necessary to be gradually dried, and degree dry each time is strictly controlled, therefore, it is necessary to each
Secondary drying process carries out Humidity Detection later, and adjusts drying process next time in time.Similarly, strand is exactly after the spray application
Finished product is, it is necessary to be collected and deposit, if having collected undried conductive fiber, also easily to conduction during storage
Coating causes to damage, therefore, it is necessary to processing is dried before being collected.
Embodiment 6
The present embodiment provides a kind of conductive graphene fiber production system, including the spinning machine, the yarn that set gradually spray
Machine, doubling winder and strand flush coater；Wherein
The used in spinning machine by raw material chopped fiber in being processed into monofilament long fibre；
The yarn flush coater includes some graphene ink spray equipments and some conductive black ink spray equipments；Institute
Graphene ink spray equipment interval setting is stated, conductive black oil is provided with the interval of adjacent two graphenes ink spray equipment
Black spray equipment；
The doubling winder is used to the monofilament long fibre by spraying being processed into strand；
The strand flush coater includes some conductive black ink spray equipments and some graphene ink spray equipments；Institute
Conductive black ink spray equipment interval setting is stated, graphene is provided with the interval of adjacent two conductive blacks ink spray equipment
Ink spray equipment.
The conductive graphene fiber production system of the present embodiment, yarn flush coater is set between spinning machine and doubling winder,
Strand flush coater is set after doubling winder, the outer surface of monofilament is coated by a layer graphene and conductive charcoal using yarn flush coater
The black conductive coating for conductive agent, using strand flush coater by and simultaneously after monofilament between space fill conductive agent, thus, it is possible to
The content of the conductive agent in fibrous finished product is greatly improved, so as to improve the conductive capability of finished fiber.
The yarn flush coater of the present embodiment carries out the spraying of graphene ink, and graphene ink and conductive black first
Staggeredly carried out during the spraying of ink, thereby it is ensured that conductive black can be filled into the laminar structured sky of graphene
In gap, the three-dimensional conductive structure using the graphene of sheet as skeleton, using granular conductive black as node is formed, it is conductive
It is very capable.And when carrying out the spraying of strand, it is necessary first to the space between monofilament is filled, and in filling space
In ability, the graphene of sheet is necessarily weaker than granular conductive black more, therefore, in the spraying process of strand,
First spraying conductive black ink is taken, and the process sprayed that conductive black ink and graphene ink are interlocked, so as to,
Without the three-dimensional conductive knot that can be formed outside strand using sheet graphene as skeleton, using granular conductive carbon black as node
Structure, additionally it is possible to the conductive structure of outer layer and the conductive structure of monofilament outer surface are connected, form overall conductive structure, is increased
The conductive capability of strong conductive fiber.
Embodiment 7
On the basis of a upper embodiment, adjacent graphene ink spray equipment and conductive black ink spray equipment it
Between be provided with two guide rollers, two guide rollers are arranged at intervals, and resistance measurement dress is provided between described two guide rollers
Put；The conductive black ink spray equipment and the graphene ink spray equipment include controller and flow regulator,
The controller electrically connects with the flow regulator；Electric resistance measuring apparatus after the graphene ink spray equipment is with
The controller of one graphene ink spray equipment electrically connects, the electric resistance measuring apparatus after the conductive black ink spray equipment
Electrically connected with the controller of next conductive black ink spray equipment.
The present embodiment sets resistance to survey after each graphene ink spray equipment and conductive black ink spray equipment
Device is measured, a resistance measurement is all carried out after spraying finishes each time, and to measure obtained resistance value as foundation, under adjustment
The spray rate of graphene ink spray equipment or conductive black ink spray equipment, that is to say, that when stone of completion
After the spray equipment of black alkene ink, a resistance measurement is carried out, if now resistance is less than predetermined range, in stone next time
Slow down spray rate during black alkene ink spraying, to avoid the waste of material, if resistance now is more than the scope of predetermined value,
Need to accelerate spray rate in graphene ink spraying next time, to obtain that there is the conductive fiber of good conductive ability.
Similarly, the spraying adjustment of conductive black ink is also such.
Embodiment 8
On the basis of above-described embodiment, some ultrasounds are provided with the yarn flush coater and the strand flush coater
Wave generating device, the sound wave that the ultrasonic generator is launched intersect with monofilament long fibre or strand.
The present embodiment is in spraying process using ultrasonic transmission device to the graphene oil on monofilament long fibre or strand
Ink or conductive black ink are stirred, and the graphene of sheet is uniformly mixed with granular conductive black, are formed uniform
Conductive structure, simultaneously, additionally it is possible to graphene is uniformly distributed with conductive black on linear matrix material, be advantageous to linear
Uniform conductive structure is formed on matrix material, makes the conductive capability at each position of conductive fiber same or like, in the absence of bottleneck
Position.
Embodiment 9
On the basis of above-described embodiment, drying is provided with after the yarn flush coater and the strand flush coater
Machine；The dryer includes some drying bakers set gradually and the humidity sensor being arranged between adjacent two drying baker；Institute
Stating drying baker includes thermal-insulating body, moisture absorption apparatus, some infrared lamps and drying controller；The thermal-insulating body is perpendicular to graphite
Two side walls of alkene conductive monofilament are provided with string holes, and the infrared lamp electrically connects with the drying controller, and the humidity passes
The drying controller electrical connection of sensor drying baker adjacent with rear.
The present embodiment all sets dryer after yarn flush coater and strand flush coater, is avoided by incubator outside heat
Dissipate, save the energy, while the steam that evaporates is absorbed using moisture absorption apparatus, avoid in incubator humidity too high and influence yarn or
The drying of strand.If disposably dried to monofilament, easily cause the binding agent of outer layer dried and internal layer not
Dry, so as to cause moisture of internal layer etc. to be sealed by binding agent, cause internal layer to dry, influence the quality of conductive fiber, because
This is, it is necessary to gradually be dried, and strictly to control degree dry each time, therefore, using the progress of multiple drying units
Gradually dry, and all the humidity of yarn or strand is measured with humidity sensor after drying each time, if yarn
Or the humidity of strand deviate from predetermined humidity range, it is necessary to is adjusted in baking operation next time, if yarn
Or the humidity range of strand then keeps baking operation next time constant within predetermined humidity range.Similarly, strand is spraying
It has been exactly finished product, it is necessary to be collected and deposit after applying, if undried conductive fiber is have collected, during storage
Easily conductive coating is caused to damage, therefore, it is necessary to processing is dried before being collected.
Embodiment 10
Yarn pulling device, the yarn drawing are being additionally provided with the basis of above-described embodiment on the yarn flush coater
Device includes yarn drawing guide rail, yarn clamping device and yarn drive device, and described yarn drawing guide rail one end is arranged on institute
The yarn outlet of spinning machine is stated, the other end of the yarn drawing guide rail is arranged on the yarn entering opening of the doubling winder, and the yarn drives
Dynamic device drives the yarn clamping device to be moved along yarn drawing guide rail；It is provided with after the strand flush coater and plays ingot
Machine, strand pulling device is provided with the strand flush coater, and the strand pulling device includes strand drawing guide rail, strand folder
Tight device and strand drive device；One end of the strand drawing guide rail is arranged on the line outlet of the doubling winder, the strand
The other end of drawing guide rail is arranged on the line inlet port of the Ingot pressing machine.
Because the process such as spinning, yarn spraying and silk, strand spraying is continuous production process, therefore, producing
Can continuously it be produced in journey, as long as yarn and strand are continuous, it is possible to continuous production, so can just there is higher production effect
Rate, still, because follow-up process in starting to produce can not apply the power of drawing, therefore, this implementation to yarn and strand
Yarn pulling device and strand pulling device are set on the yarn flush coater and strand flush coater of example, when spinning machine just starts to spin
When, yarn clamping device clamps the end of a thread of yarn, and then yarn drive device drives yarn clamping device to pull guide rail along yarn
Motion, meanwhile, each spray equipment starts to spray, and when yarn clamping device moves to the yarn entering opening of doubling winder, yarn is sent into
The yarn entering opening of doubling winder, yarn pulling device are stopped.Similarly, when doubling winder is just started working, strand pulling device also this
The end of a thread of strand is pulled to the line inlet port of Ingot pressing machine, and plays ingot by Ingot pressing machine by sample.So, without artificial in whole process
Intervene, whole production process can be automatically performed.
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto is any to be familiar with sheet
Those skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in should all be covered
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the protection domain that claim is defined.
Claims (9)
- A kind of 1. conductive graphene fiber production method, it is characterised in that：Comprise the following steps：Spinning, yarn spraying and silk, Strand sprays；Wherein,The spinning stage：Chopped fiber is spinned, forms a monofilament long fibre；The yarn spraying process：By the monofilament long fibre alternating spray graphene ink and conductive black ink, and control The composition of the conductive coating of yarn outer surface by mass is as follows：1~1.8 part of graphene, 7~25 parts of conductive black, acrylic acid 40~50 parts of resin；Form graphene conductive monofilament；Described and silk step：Turn into a strand by the graphene conductive monofilament is compound；The strand spraying process：By the strand alternating spray conductive black ink and graphene ink, and control outside strand The composition of the conductive coating on surface by mass is as follows：1~1.8 part of graphene, 7~25 parts of conductive black, acrylic resin 40 ~50 parts；Form conductive graphene fiber.
- 2. conductive graphene fiber production method as claimed in claim 1, it is characterised in that：The yarn spraying process and described Also include spraying adjustment process in strand spraying process, the spraying adjustment process includes：Resistive thread rate measuring process, spraying Rate adjusting step；Wherein,The resistive thread rate measuring process：The monofilament long fibre or the strand often by a graphene ink spraying or Person's conductive black ink sprays, and carries out a resistivity measurement；The spray rate set-up procedure：If current resistivity deviates predetermined resistivity scope, adjust when spraying next time The spray rate of graphene ink or conductive black ink, if being kept to current resistivity in the range of predetermined resistivity The spray rate of graphene ink or conductive black ink when spraying next time is constant.
- 3. conductive graphene fiber production method as claimed in claim 1, it is characterised in that：The yarn spraying process and described Also include Homogenization Treatments step in strand spraying process；The Homogenization Treatments step：Cause the shake of monofilament long fibre or strand using ultrasonic vibrating unit in spraying process It is dynamic, mix graphene ink and conductive black ink on monofilament long fibre, and by graphene ink and conductive black ink It is uniformly distributed on monofilament long fibre.
- 4. conductive graphene fiber production method as claimed in claim 1, it is characterised in that：In the yarn spraying process and institute State strand spraying process also includes baking step afterwards；The baking step：The graphene conductive monofilament or the graphene fiber are subjected to drying process several times；It is described Graphene conductive monofilament or the graphene fiber often pass through primary drying process, a moisture measurement are carried out, if current humidity Predetermined humidity range is deviate from, then drying process next time is adjusted, if current humidity is in predetermined humidity model In enclosing, then keep drying process next time constant.
- A kind of 5. conductive graphene fiber production system, it is characterised in that：Including set gradually spinning machine, yarn flush coater, Doubling winder and strand flush coater；WhereinThe used in spinning machine by raw material chopped fiber in being processed into monofilament long fibre；The yarn flush coater includes some graphene ink spray equipments and some conductive black ink spray equipments；The stone Black alkene ink spray equipment is arranged at intervals, and the spray of conductive black ink is provided with the interval of adjacent two graphenes ink spray equipment Coating device；The doubling winder is used to the monofilament long fibre by spraying being processed into strand；The strand flush coater includes some conductive black ink spray equipments and some graphene ink spray equipments；It is described to lead Electric carbon-loaded inks spray equipment is arranged at intervals, and graphene ink is provided with the interval of adjacent two conductive blacks ink spray equipment Spray equipment.
- 6. conductive graphene fiber production system as claimed in claim 5, it is characterised in that：Adjacent graphene ink spraying dress Put and two guide rollers are provided between conductive black ink spray equipment, two guide rollers are arranged at intervals, described two Electric resistance measuring apparatus is provided between guide roller；The conductive black ink spray equipment and the graphene ink spray equipment Include controller and flow regulator, the controller electrically connects with the flow regulator；The graphene ink spraying Electric resistance measuring apparatus after device electrically connects with the controller of next graphene ink spray equipment, the conductive black ink Electric resistance measuring apparatus after spray equipment electrically connects with the controller of next conductive black ink spray equipment.
- 7. conductive graphene fiber production system as claimed in claim 5, it is characterised in that：The yarn flush coater and the stock Some ultrasonic generators are provided with wire spraying machine, the sound wave that the ultrasonic generator is launched is grown with monofilament Fiber or strand intersect.
- 8. conductive graphene fiber production system as claimed in claim 5, it is characterised in that：In the yarn flush coater and described Dryer is provided with after strand flush coater；The dryer includes some drying bakers set gradually and is arranged on adjacent two Humidity sensor between drying baker；The drying baker includes thermal-insulating body, moisture absorption apparatus, some infrared lamps and drying control Device；The thermal-insulating body is provided with string holes, the infrared lamp and the baking perpendicular to two side walls of graphene conductive monofilament Dry controller electrical connection, the drying controller electrical connection of humidity sensor drying baker adjacent with rear.
- 9. conductive graphene fiber production system as claimed in claim 5, it is characterised in that：Also set up on the yarn flush coater There is yarn pulling device, the yarn pulling device includes yarn drawing guide rail, yarn clamping device and yarn drive device, institute State yarn and pull the yarn outlet that guide rail one end is arranged on the spinning machine, the other end that the yarn pulls guide rail is arranged on described The yarn entering opening of doubling winder, the yarn drive device drive the yarn clamping device to be moved along yarn drawing guide rail；Institute State strand flush coater and be provided with Ingot pressing machine afterwards, strand pulling device, the strand drawing are provided with the strand flush coater Device includes strand drawing guide rail, strand clamping device and strand drive device；One end of the strand drawing guide rail is arranged on The line outlet of the doubling winder, the other end of the strand drawing guide rail are arranged on the line inlet port of the Ingot pressing machine.
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| CN106894225A (en) * | 2017-03-07 | 2017-06-27 | 江苏中杰澳新材料有限公司 | Graphene coated composite construction conductive fiber and preparation method thereof |
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| CN108362753B (en) * | 2017-12-11 | 2023-09-12 | 南京晓庄学院 | Trace heavy metal detection system and detection method based on chronopotentiometric dissolution method |
| CN109645590A (en) * | 2019-01-18 | 2019-04-19 | 安徽工程大学 | A kind of graphene electric heating clothes |
| CN109811540B (en) * | 2019-01-21 | 2021-11-19 | 新奥石墨烯技术有限公司 | Graphene conductive fiber, preparation method thereof and flexible electronic device |
| CN114737298A (en) * | 2022-03-31 | 2022-07-12 | 圣华盾防护科技股份有限公司 | High-barrier electromagnetic shielding protective clothing fabric and preparation method thereof |
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