CN208762765U - A kind of layer/polyaniline conductive yarn apparatus for continuous treatment - Google Patents
A kind of layer/polyaniline conductive yarn apparatus for continuous treatment Download PDFInfo
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- CN208762765U CN208762765U CN201821235412.3U CN201821235412U CN208762765U CN 208762765 U CN208762765 U CN 208762765U CN 201821235412 U CN201821235412 U CN 201821235412U CN 208762765 U CN208762765 U CN 208762765U
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Abstract
The utility model provides a kind of layer/polyaniline conductive yarn apparatus for continuous treatment, it is related to polymeric material field, including tube, the first yarn storage wheel, the first pressure roller, the second yarn storage wheel, the second pressure roller, traction wheel and the storage container set gradually along yarn direction of routing, it is provided with reaction solution atomizer above first yarn storage wheel, is provided with oxidizing agent solution atomizer above second yarn storage wheel.Aniline, dopant acid and oxidant can be respectively attached on yarn by the utility model in the way of atomized spray, it is allowed in gaseous environment in yam surface polymerization reaction, generate polyaniline, because without dipping, there is no the evolution reactions between aniline and reaction solution, all reactions all betide on yarn, therefore avoid the waste of raw material.
Description
Technical field
The utility model relates to technical field of polymer materials, specially a kind of layer/polyaniline conductive yarn continuous processing dress
It sets.
Background technique
There is antistatic, anti-electromagnetic radiation, electric signal to transmit for pursuit with the people to good life with the development of science and technology
Equal functional fibers material applications in various fields is more and more wider, lightweight, softness, the highly conductive, city of conductive fiber that easily weaves
Field space will constantly expand.Currently, the conductive component of common conductive fiber is mainly inorganic with metal, metal oxide and carbon black etc.
Based on material.With deepening continuously for basic research and application study, before application of the macromolecule conducting material in conductive fiber
Scape receives significant attention.
Compared with other macromolecule conducting materials, polyaniline (polyaniline, PANI) has cheap, synthesis letter
Advantage single, conductivity is high, performance is stable, it is considered to be most promising macromolecule conducting material.Conductive fiber is
One of research hotspot of PANI.It is a kind of simple and easy to do that PANI, which is prepared conductive fiber using co-blended spinning method as conductive component,
Method, but because polyaniline slightly solubility, infusibility and co-blended spinning mode to the adverse effect of fibrous mechanical property, lead
Cause the application prospect of such methods very remote.Nobel chemistry Prize winner MacDiarmid had found aniline in 1989
Situ aggregation method is used for the preparation of conductive fiber by " in-situ polymerization " phenomenon, subsequent Gregory, is the preparation of PANI conductive fiber
Provide a new thinking.Fiber substep is placed in the solution of aniline monomer, dopant acid and oxidant by the method, and aniline is made to exist
Oxidation polymerization occurs for fiber surface and doping reaction generates PANI conductive layer, forms the PANI composite conducting fiber of skin-core structure.
Researchers at home and abroad with terylene, polypropylene fibre, polyurethane fiber, ultra high molecular weight polyethylene fiber, polyimide fiber, optical fiber,
Wool, silk, cotton fiber, regenerated celulose fibre, kenaf, mango fiber, coir fibre, sugarcane fibre etc. be substrate into
Row conductive processing is widely used in the fields such as intelligent textile, anti-static material, electromagnetic shielding material.
Co-blended spinning method is much higher than using conductive fiber conductivity made from situ aggregation method, spinnability is fine better than metal
Dimension, and the physical mechanical property of matrix fiber is substantially unaffected, therefore since the advent of the world is considered as before being most commercialized
The PANI conductive fiber preparation method of scape.However, the absorption and polymerization of aniline are anti-when preparing conductive fiber due to situ aggregation method
Should be completed step by step in solution, cannot achieve the serialization conductive processing of yarn, for guarantee aniline abundant absorption, generally need by
Fiber impregnates 2 hours or more in aniline, is then placed in the solution of dopant acid and oxidant again and oxidative polymerization life occurs
At PANI.Therefore, traditional situ aggregation method prepare conductive fiber efficiency it is extremely low, while there is also raw material availabilities
Therefore low, the problems such as discharging of waste liquid is more, still rests on laboratory stage from the discovery of in-situ polymerization phenomenon in the past 30 years so far.
In response to this problem, glad et al. (Jin Xin, Xiao Changfa, Xie Chun wait New Polyaniline/polycaprolactam to lead to domestic gold
The preparation of electric fiber and performance study [J] material Leader, 2010,24:29-32.) and external Chandran et al.
(A.S.Chandran,S.K.Narayanankutty.An elastomeric composite based on
polyaniline coated nylon fiber and chloroprene rubber[J].European Polymer
Journal, 2008,44:2418-2429.) after by conductive state PANI dissolution yarn is continuously coated on using by way of padding
Surface realizes serialization conductive processing, but because PANI is only soluble in a small number of solvents such as the concentrated sulfuric acid, n-methyl-2-pyrrolidone,
With high costs, preparation difficulty, Practical significance are low.
Patent ZL 2,013 1 0702673.7 discloses a kind of conductive yarn continuous processing side based on situ aggregation method
Method, yarn enters in the slot equipped with aniline monomer through traction roller in the method, compregnate, then adsorption of aniline monomer is obtained after dry-pressing roller
Yarn；Then by the yarn of adsorption of aniline monomer by the reaction liquid bath containing dopant acid and oxidizing agent solution, then through dry-pressing
Pretreated yarn is obtained after roller；The continuous processing of conductive yarn is completed after last yarn to be pre-treated is dry.This method
Made after yarn adsorption reaction liquid using continuous impregnation liquid in gaseous environment rather than the oxidation polymerization in liquid phase environment, thus real
Serialization conductive processing is showed.But the yarn of adsorption of aniline monomer is when entering the reaction liquid bath of dopant acid and oxidant, aniline
It is easily precipitated and reacts with reaction solution, cause the concentration of the latter unstable, it, need to be continuous with faster speed to keep concentration to stablize
It updates, so then causes the waste of reaction solution.Therefore, it is limited to accomplish scale production and a possibility that practical application.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the purpose of this utility model is to prepare skin-core structure composite guide for situ aggregation method
The drawbacks of electric fiber cannot achieve serialization provides a kind of apparatus for continuous treatment of conductive yarn, while reducing the consumption of raw material.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of layer/polyaniline conductive yarn
Apparatus for continuous treatment, including set gradually along yarn direction of routing tube, the first yarn storage wheel, the first pressure roller, the second yarn storage wheel,
Second pressure roller, traction wheel and storage container are provided with reaction solution atomizer, second storage above first yarn storage wheel
Oxidizing agent solution atomizer is provided with above yarn wheel.
(3) beneficial effect
The utility model provides a kind of layer/polyaniline conductive yarn apparatus for continuous treatment.Have it is following the utility model has the advantages that
1, layer/polyaniline conductive yarn apparatus for continuous treatment, by aniline, dopant acid and oxidation in the way of atomized spray
Agent is respectively attached on yarn, is allowed in gaseous environment generate polyaniline in yam surface polymerization reaction.Because without leaching
Stain, there is no the evolution reaction between aniline and reaction solution, all reactions are all betided on yarn, therefore avoid raw material
Waste.
2, the layer/polyaniline conductive yarn apparatus for continuous treatment can be made anti-by the setting of the first pressure roller and the second pressure roller
It answers liquid and oxidizing agent solution to be distributed relatively uniform, and can be converged to avoid on the surface of yarn, so as to reduce conduction
The phenomenon that polyaniline reunion agglomeration, to improve the uniformity and continuity of conductive layer, improve electric conductivity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of utility model device；
Fig. 2 is in embodiment one to mechanical property comparison diagram before and after p-aramid fiber filament yarn conductive processing；
Fig. 3 is in embodiment five to mechanical property comparison diagram before and after polyester filament yarn conductive processing.
In figure: 1 tube, 2 first yarn storage wheels, 3 reaction solution atomizers, 4 first pressure rollers, 5 second yarn storage wheels, 6 oxidants
Solution spray nozzle, 7 second pressure rollers, 8 traction wheels, 9 storage containers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
As shown in Figure 1, the utility model provides a kind of layer/polyaniline conductive yarn apparatus for continuous treatment, including walked along yarn
Tube, the first yarn storage wheel, the first pressure roller, the second yarn storage wheel, the second pressure roller, traction wheel and the storage that line direction is set gradually are held
Device is provided with reaction solution atomizer above first yarn storage wheel, is provided with oxidant above second yarn storage wheel
Solution spray nozzle.
Yarn is wrapped on the first yarn storage wheel after tube extraction, and reaction solution is sprayed at yarn using reaction solution atomizer
On line, then yarn is squeezed using the first pressure roller, reaction solution is made to be uniformly distributed in the surface and inside of yarn；Then
Yarn is wound in the second yarn storage wheel surface, oxidizing agent solution is sprayed at yam surface using oxidizing agent solution atomizer,
Squeezing yarn by the second pressure roller makes oxidizing agent solution be uniformly distributed in yam surface and inside, then reaction solution is had on yarn
With oxidant, yarn is drawn to storage container finally by traction wheel, the company of conductive yarn is completed after yarn is dry
Continuous processing.
The conductive processing of the contraposition aramid filament yarn of embodiment one
After p-aramid fiber filament yarn is drawn from tube 1 on the first yarn storage wheel 2, it is atomized and is sprayed by reaction solution
The reaction solution that concentration is 1.0mol/L is sprayed at p-aramid fiber filament yarn surface by mouth 3, and reaction solution using hydrochloric acid be dopant acid and
Then aniline mixing carries out first time extruding to p-aramid fiber filament yarn by the first pressure roller 4, divides reaction solution equably
P-aramid fiber filament yarn is then wound in 5 surface of the second yarn storage wheel on the surface and inside of p-aramid fiber filament yarn by cloth, benefit
The ammonium persulfate solution that concentration is 0.5mol/L is sprayed at p-aramid fiber filament yarn surface with oxidizing agent solution atomizer 6,
Then second is carried out to p-aramid fiber filament yarn by the second pressure roller 7 to squeeze, ammonium persulfate solution is made to be uniformly distributed in contraposition
The surface and inside of aramid filament yarn guide p-aramid fiber filament yarn to storage container 9 finally by traction wheel 8, this
When reaction solution atomizer 3 and the liquid inventory of oxidizing agent solution atomizer 6 be 0.5ml/min, the speed of service of yarn
Linear resonance surface velocity for 50m/min, traction wheel 8 is 100m/min, and p-aramid fiber filament yarn surface after treatment is deposited with
A small amount of polyaniline particles, and not formed complete layer/polyaniline conductive layer, therefore yarn conductivity is lower, only 1.2 × 10-3S/
Cm, by attached drawing 2 as it can be seen that physical mechanical property index such as breaking strength, elongation at break before and after yarn conductive processing and initial
Modulus does not occur significantly to change, and three after conductive processing index is respectively 14.38cN/dtex, 2.84% and
549.54cN/dtex is respectively 14.32cN/dtex, 2.84% and 547.06cN/dtex before conductive processing, it is known that after processing
The mechanical property of p-aramid fiber filament yarn is smaller by being influenced.
The conductive processing of two p-aramid fiber filament yarn of embodiment
After p-aramid fiber filament yarn is drawn from tube 1 on the first yarn storage wheel 2, it is atomized and is sprayed by reaction solution
The reaction solution that concentration is 2.0mol/L is sprayed at p-aramid fiber filament yarn surface by mouth 3, and reaction solution using hydrochloric acid be dopant acid and
Then aniline mixing carries out first time extruding to p-aramid fiber filament yarn by the first pressure roller 4, divides reaction solution equably
P-aramid fiber filament yarn is then wound in 5 surface of the second yarn storage wheel on the surface and inside of p-aramid fiber filament yarn by cloth, benefit
The ammonium persulfate solution that concentration is 1mol/L is sprayed at p-aramid fiber filament yarn surface with oxidizing agent solution atomizer 6, so
Second is carried out to p-aramid fiber filament yarn by the second pressure roller 7 afterwards to squeeze, and ammonium persulfate solution is made to be uniformly distributed in contraposition virtue
The surface and inside of synthetic fibre filament yarn guide p-aramid fiber filament yarn to storage container 9 finally by traction wheel 8, at this time
The liquid inventory of reaction solution atomizer 3 and oxidizing agent solution atomizer 6 is 0.5ml/min, and the speed of service of yarn is
50m/min, the linear resonance surface velocity of traction wheel 8 are 100m/min.The polyaniline on p-aramid fiber filament yarn surface after treatment
It increased significantly compared with example one, can be in one layer of very thin conductive layer of fiber form of expression, therefore the electric conductivity of yarn is promoted,
Conductivity is 4.5 × 10-1S/cm, the physical mechanical property such as example one after yarn conductive processing, is held essentially constant.
The conductive processing of three p-aramid fiber filament yarn of embodiment
After p-aramid fiber filament yarn is drawn from tube 1 on the first yarn storage wheel 2, it is atomized and is sprayed by reaction solution
The reaction solution that concentration is 3.0mol/L is sprayed at p-aramid fiber filament yarn surface by mouth 3, and reaction solution using hydrochloric acid be dopant acid and
Then aniline mixing carries out first time extruding to p-aramid fiber filament yarn by the first pressure roller 4, divides reaction solution equably
P-aramid fiber filament yarn is then wound in 5 surface of the second yarn storage wheel on the surface and inside of p-aramid fiber filament yarn by cloth, benefit
The ammonium persulfate solution that concentration is 1.5mol/L is sprayed at p-aramid fiber filament yarn surface with oxidizing agent solution atomizer 6,
Then second is carried out to p-aramid fiber filament yarn by the second pressure roller 7 to squeeze, ammonium persulfate solution is made to be uniformly distributed in contraposition
The surface and inside of aramid filament yarn guide p-aramid fiber filament yarn to storage container 9 finally by traction wheel 8, this
When reaction solution atomizer 3 and the liquid inventory of oxidizing agent solution atomizer 6 be 0.5ml/min, the speed of service of yarn
For 50m/min, the linear resonance surface velocity of traction wheel 8 is 100m/min.Compared with example one, example two, p-aramid fiber after treatment
Filament yarn surface polyphenyl amine content increased significantly, and forming one layer in fiber surface has certain thickness conductive layer, and conductivity is
Reach 1.8S/cm, such as example one of the physical mechanical property after yarn conductive processing is held essentially constant.
The conductive processing of example IV p-aramid fiber filament yarn
After p-aramid fiber filament yarn is drawn from tube 1 on the first yarn storage wheel 2, it is atomized and is sprayed by reaction solution
The reaction solution that concentration is 4.0mol/L is sprayed at p-aramid fiber filament yarn surface by mouth 3, and reaction solution using hydrochloric acid be dopant acid and
Then aniline mixing carries out first time extruding to p-aramid fiber filament yarn by the first pressure roller 4, divides reaction solution equably
P-aramid fiber filament yarn is then wound in 5 surface of the second yarn storage wheel on the surface and inside of p-aramid fiber filament yarn by cloth, benefit
The ammonium persulfate solution that concentration is 2.0mol/L is sprayed at p-aramid fiber filament yarn surface with oxidizing agent solution atomizer 6,
Then second is carried out to p-aramid fiber filament yarn by the second pressure roller 7 to squeeze, ammonium persulfate solution is made to be uniformly distributed in contraposition
The surface and inside of aramid filament yarn guide p-aramid fiber filament yarn to storage container 9 finally by traction wheel 8, this
When reaction solution atomizer 3 and the liquid inventory of oxidizing agent solution atomizer 6 be 0.5ml/min, the speed of service of yarn
For 50m/min, the linear resonance surface velocity of traction wheel 8 is 100m/min.P-aramid fiber filament yarn surface after treatment is covered with
One strata aniline conductive layer, and have the biggish reunion in part, illustrate that reaction solution and oxidant concentration are higher, the polyaniline of generation contains
Amount increases.The conductivity of yarn is 2.6S/cm after processing, and the physical mechanical property such as example one after yarn conductive processing is basic to protect
It holds constant.
The conductive processing of five polyester filament yarn of embodiment
After polyester filament yarn is drawn from tube 1 on the first yarn storage wheel 2, pass through reaction solution atomizer 3
The reaction solution that concentration is 2.5mol/L is sprayed at polyester filament yarn surface, and reaction solution is mixed as dopant acid and aniline using hydrochloric acid
It closes, first time extruding is then carried out to polyester filament yarn by the first pressure roller 4, so that reaction solution is evenly distributed in terylene long
Polyester filament yarn reel is then around in 5 surface of the second yarn storage wheel by the surface and inside of gauze, is atomized and is sprayed using oxidizing agent solution
The ammonium persulfate solution that concentration is 1mol/L is sprayed at polyester filament yarn surface by mouth 6, then by the second pressure roller 7 to terylene
Filament yarn carries out second and squeezes, and so that ammonium persulfate solution is uniformly distributed in the surface and inside of polyester filament yarn, finally leads to
It crosses traction wheel 8 to guide polyester filament yarn to storage container 9, at this time reaction solution atomizer 3 and oxidizing agent solution atomization spray
The liquid inventory of mouth 6 is 0.4ml/min, and the speed of service of yarn is 40m/min, and the linear resonance surface velocity of traction wheel 8 is
100m/min, the conductivity of yarn is 0.32 S/cm after processing.By attached drawing 3 it is known that polyester filament yarn after treatment
Surface is covered with one layer of conductive film, physical mechanical property index such as breaking strength, elongation at break before yarn conductive processing and
Initial modulus is respectively 3.89cN/dtex, 25.84% and 11.18cN/dtex, be respectively after conductive processing 4.00 cN/dtex,
26.34% and 5.90cN/dtex, is strongly basically unchanged with elongation, and initial modulus is declined.
In conclusion the layer/polyaniline conductive yarn apparatus for continuous treatment, by aniline, dopant acid in the way of atomized spray
It is respectively attached on yarn with oxidant, is allowed in gaseous environment polyaniline be generated, because of nothing in yam surface polymerization reaction
It needs to impregnate, there is no the evolution reaction between aniline and reaction solution, all reactions are all betided on yarn, therefore avoid original
The waste of material.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (1)
1. a kind of layer/polyaniline conductive yarn apparatus for continuous treatment, it is characterised in that: including what is set gradually along yarn direction of routing
Tube, the first yarn storage wheel, the first pressure roller, the second yarn storage wheel, the second pressure roller, traction wheel and storage container, first yarn storage wheel
Top be provided with reaction solution atomizer, be provided with oxidizing agent solution atomizer above second yarn storage wheel.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230137A (en) * | 2019-05-17 | 2019-09-13 | 台州学院 | A kind of organic carbon black conductive yarn and its preparation process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230137A (en) * | 2019-05-17 | 2019-09-13 | 台州学院 | A kind of organic carbon black conductive yarn and its preparation process |
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