CN115522270B - Conductive polymer fiber with sheath-core structure and preparation method thereof - Google Patents
Conductive polymer fiber with sheath-core structure and preparation method thereof Download PDFInfo
- Publication number
- CN115522270B CN115522270B CN202211320712.2A CN202211320712A CN115522270B CN 115522270 B CN115522270 B CN 115522270B CN 202211320712 A CN202211320712 A CN 202211320712A CN 115522270 B CN115522270 B CN 115522270B
- Authority
- CN
- China
- Prior art keywords
- solution
- layer
- sheath
- conductive polymer
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 92
- 229920001940 conductive polymer Polymers 0.000 title claims abstract description 86
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000012792 core layer Substances 0.000 claims abstract description 85
- 239000010410 layer Substances 0.000 claims abstract description 82
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 51
- -1 polyethylene Polymers 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 17
- 229920000123 polythiophene Polymers 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004698 Polyethylene Substances 0.000 claims abstract description 10
- 239000004743 Polypropylene Substances 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 229920000573 polyethylene Polymers 0.000 claims abstract description 10
- 229920001155 polypropylene Polymers 0.000 claims abstract description 10
- 239000002086 nanomaterial Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 31
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 14
- 238000000280 densification Methods 0.000 claims description 12
- 230000001054 cortical effect Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000001112 coagulating effect Effects 0.000 claims description 8
- 238000009210 therapy by ultrasound Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000003760 magnetic stirring Methods 0.000 claims description 3
- 239000011858 nanopowder Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 239000011162 core material Substances 0.000 description 60
- 238000010586 diagram Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002041 carbon nanotube Substances 0.000 description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 230000003405 preventing effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000002032 lab-on-a-chip Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
-
- D—TEXTILES; PAPER
- 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
- D10B2401/16—Physical properties antistatic; conductive
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention discloses a conductive polymer fiber with a sheath-core structure and a preparation method, wherein the conductive polymer fiber with the sheath-core structure comprises the following components: a skin layer and a core layer, the skin layer being a continuous tubular member having a chamber therein, the core layer being a solid continuous column member, the core layer being located in the chamber, and an outer surface of the core layer and a sidewall of the chamber being bonded and at least partially fused; the core layer is a conductive layer, the core layer comprises polythiophene and/or carbon nanomaterial, the skin layer is an insulating layer, and the material of the skin layer comprises at least one of polyethylene, polypropylene and polyacrylonitrile. The conductivity of the core layer is 90-105S/m; the tensile strength of the conductive polymer fiber is 193-208MPa. The conductive polymer fiber with the sheath-core structure prepared by the invention has the advantages of corrosion resistance, high tensile strength and high conductivity.
Description
Technical Field
The invention belongs to the technical field of conductive devices, and particularly relates to a conductive polymer fiber with a sheath-core structure and a preparation method thereof.
Background
The conductive fibers are chemical fibers, metal fibers, carbon fibers, or the like spun by mixing a conductive medium into a polymer. Has excellent static electricity eliminating and preventing properties far higher than those of antistatic fibers, and has a durable specific resistance value and is substantially unaffected by humidity. According to the distribution state of the conductive components, the conductive components are classified into three types of uniform type, coating type and composite type. The conductive polymer fiber is generally prepared by adding conductive media such as carbon black, graphite, metal powder or metal compound into the fiber by adopting methods such as mixing, vapor plating, electroplating, composite spinning and the like.
The marine environment has many requirements on the performance of the conductive line, firstly, the corrosion resistance to humid gas or liquid is required, secondly, the excellent tensile strength is required, and the high conductivity is also required.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides the conductive polymer fiber with the sheath-core structure and the preparation method thereof, which have the advantages of corrosion resistance, high tensile strength and high conductivity, and solve the problem of high performance requirements of the marine environment on the conductive circuit in the prior art.
The invention is achieved by a conductive polymer fiber having a sheath-core structure comprising:
a skin layer and a core layer, the skin layer being a continuous tubular member having a chamber therein; the core layer is a solid continuous column, the core layer is positioned in the cavity, and the outer surface of the core layer is bonded with and at least partially fused with the side wall of the cavity; the core layer is a conductive layer and comprises polythiophene and/or carbon nanomaterial, and the skin layer is an insulating layer.
Through the arrangement, the skin layer material is composed of at least one material of polyethylene, polypropylene and polyacrylonitrile, and the polyethylene, the polypropylene, the polyacrylonitrile or the mixture thereof are all organic materials, so that the core layer material can be protected, the moisture-proof effect is achieved, and the core layer can be prevented from being corroded. The carbon nanomaterial of the core layer may be selected from carbon nanotubes or doped polythiophenes or a mixture of both. Through the arrangement, the tensile strength of the conductive polymer fiber is 200MPa, and the conductive polymer fiber has higher tensile strength; the conductivity can reach 95S/m.
The polythiophene is a semiconductor material, and after doping, the polythiophene has high conductivity and can be a conductor material. Thus, if the core material is selected from polythiophenes, the conductive polymer fibers having a sheath-core structure of the present application can be used as semiconductor devices. And according to different doping concentrations, semiconductor devices with different conductivities can be obtained, the doping concentration is continuously increased, and a core layer with the conductivity of 95S/m can be obtained.
It should be noted that the cross section of the core layer may be elliptical, triangular or rectangular, besides being circular, and is not limited herein. The cross-sectional areas of the core layer and the skin layer are not limited to a fixed value, and may be partially thick and partially thin.
Preferably, the material of the skin layer includes at least one of polyethylene, polypropylene and polyacrylonitrile.
Preferably, the conductivity of the core layer is 90-105S/m; the tensile strength of the conductive polymer fiber is 193-208MPa.
Preferably, the side wall of the chamber is provided with a first lug and a first groove;
the outer surface of the core layer is provided with a second bump and a second groove;
the second bump is attached to the first bump or the first groove, and the second groove is attached to the first bump or the first groove.
The invention also provides a cable formed by the conductive polymer fibers with the sheath-core structure, which comprises a plurality of conductive polymer fibers with the sheath-core structure and a wrapping layer, wherein the conductive polymer fibers with the sheath-core structure are arranged side by side; the wrapping layer is discontinuous and can movably wrap the conductive polymer fiber with the sheath-core structure; the wrapping layer is made of insulating material and/or conductor material.
The invention also provides a preparation method of the conductive polymer fiber with the sheath-core structure, which comprises the following steps:
preparation of a cortical solution: adding polyacrylonitrile powder into dimethyl sulfoxide solution, and stirring until the polyacrylonitrile powder is transparent yellow and sticky to prepare a first polyacrylonitrile solution, wherein the first polyacrylonitrile solution is used as a cortical solution;
preparing a core layer solution: adding polyacrylonitrile powder into a dimethyl sulfoxide solution, stirring until the solution is transparent yellow sticky to prepare a second polyacrylonitrile solution, adding conductive material powder into the second acrylonitrile solution, and continuing stirring and ultrasonic treatment to prepare a core layer solution;
and (3) forming: injecting the core layer solution into an inner circular channel of a forming die, injecting the skin layer solution into an outer circular channel of the forming die, mixing and forming the core layer solution and the skin layer solution in the forming die, and pulling out; the outer ring channel of the forming die surrounds the outer side of the inner ring channel of the forming die and is concentrically arranged, and the outer ring channel of the forming die is communicated with the inner ring channel of the forming die.
As a preferred mode of the invention, when preparing the skin layer solution, polyacrylonitrile powder is added into dimethyl sulfoxide solution, and magnetic stirring is carried out for 4-6 hours at normal temperature, and the solution is transparent yellow sticky, so as to prepare the skin layer solution.
As the preferable method, when preparing the core layer solution, adding polyacrylonitrile powder into dimethyl sulfoxide solution, magnetically stirring for 4-6 hours at normal temperature, preparing the polyacrylonitrile solution by using transparent yellow sticky solution, and adding polythiophene powder and/or carbon nano powder into the polyacrylonitrile solution, wherein the mass ratio of the polyacrylonitrile powder to conductive material powder is (6): 4, continuously stirring for 4-6.5 hours, and carrying out ultrasonic treatment for 6 hours to obtain the core layer conductive polyacrylonitrile solution.
Preferably, the molding method of the present invention includes:
extracting the cortical solution by using a first syringe, extracting the cortical solution by using a second syringe, and respectively fixing the first syringe and the second syringe on two propelling pumps;
the outlet of the second injector is communicated with the inner circular channel of the forming die through a pipeline, the outlet of the first injector is connected with the outer circular channel of the forming die through a pipeline, and the core layer solution and the skin layer solution are respectively injected into the inner circular channel of the forming die and the outer circular channel of the forming die at the same time;
the core layer solution and the skin layer solution are converged and partially fused in a forming die and enter a coagulating bath to carry out first mechanical traction and hot water shower;
and (3) carrying out second mechanical traction, carrying out stretching orientation, and then carrying out drying densification treatment to obtain the conductive polymer fiber with the sheath-core structure.
Preferably, the molding method of the present invention includes:
extracting the cortical solution by using a first syringe, extracting the cortical solution by using a second syringe, and respectively fixing the first syringe and the second syringe on two propelling pumps;
the outlet of the second injector is communicated with the inner circular channel of the forming die through a pipeline, the outlet of the first injector is connected with the outer circular channel of the forming die through a pipeline, and the core layer solution and the skin layer solution are respectively injected into the inner circular channel of the forming die and the outer circular channel of the forming die at the same time;
the core layer solution and the skin layer solution are converged and partially fused in a forming die, wherein the fusion length is 20mm, so that the skin-core layer is well combined and a skin-core layer structure is formed; and then the solution enters a coagulating bath, the solution of the coagulating bath is dimethyl sulfoxide with the volume of 40 percent and deionized water with the volume of 60 percent, and the first mechanical traction and the hot water shower with the temperature of 95-100 ℃ are carried out;
and (3) carrying out second mechanical traction, carrying out stretching orientation, and then carrying out drying densification treatment at 130 ℃ for 180 seconds to obtain the conductive polymer fiber with the sheath-core structure.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, the skin layer material is composed of at least one material of polyethylene, polypropylene and polyacrylonitrile, and the polyethylene, the polypropylene, the polyacrylonitrile or the mixture thereof are all organic materials, so that the core layer material can be protected, thereby playing a role in preventing moisture and preventing the core layer from being corroded. The carbon nanomaterial of the core layer may be selected from carbon nanotubes or doped polythiophenes or a mixture of both. Through the arrangement, the tensile strength of the conductive polymer fiber is 200MPa, and the conductive polymer fiber has higher tensile strength; the conductivity can reach 95S/m.
2. In the invention, the method of combining the wet spinning process and the micro-flow control is adopted, so that the conductive fiber has stable and excellent mechanical strength.
Drawings
FIG. 1 is a schematic cross-sectional view of a conductive polymer fiber having a sheath-core structure according to an embodiment of the present invention;
FIG. 2 is a block diagram of a conductive polymer fiber having a sheath-core structure provided by an embodiment of the present invention;
FIG. 3 is a block diagram of a core conductive structure provided by an embodiment of the present invention;
FIG. 4 is a block diagram of a cortical insulation structure provided by an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a conductive polymer fiber with a sheath-core structure according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the portion A of FIG. 5 according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a cable made of conductive polymer fibers having a sheath-core structure according to an embodiment of the present invention;
FIG. 8 is a block flow diagram of a method for installing a cable made of conductive polymer fibers having a sheath-core structure according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a cable installation structure formed by conductive polymer fibers with a sheath-core structure according to an embodiment of the present invention;
FIG. 10 is an enlarged schematic view of the portion B of FIG. 9 according to an embodiment of the present invention;
fig. 11 is a schematic structural view of another installation structure of a cable formed by conductive polymer fibers with a sheath-core structure according to an embodiment of the present invention;
FIG. 12 is a block flow diagram of a method for installing a cable made of conductive polymer fibers having a sheath-core structure according to an embodiment of the present invention;
FIG. 13 is a flow chart of a method of molding provided by an embodiment of the present invention;
fig. 14 is a schematic structural view of a first view angle of a forming mold for a conductive polymer fiber with a sheath-core structure according to an embodiment of the present invention;
fig. 15 is a schematic structural view of a second view angle of a forming mold for conductive polymer fibers with a sheath-core structure according to an embodiment of the present invention;
fig. 16 is an enlarged schematic view of the portion C in fig. 15 according to an embodiment of the present invention.
In the figure: 100. a conductive polymer fiber having a sheath-core structure; 200. a cortex layer; 300. a core layer; 210. a chamber; 211. a first bump; 212. a first groove; 310. a second bump; 320. a second groove; 400. a cable; 500. a wrapping layer; 510. a receiving groove; 520. a threaded rod; 530. briquetting; 540. an anti-slip layer; 550. a fixing ring; 541. a cone-shaped air bag; 542. a grid-shaped air bag; 543. a cavity; 610. an inner circular channel; 620. an outer ring channel; 621. a third bump; 622. a third groove; 611. a fourth bump; 612. a fourth groove; 6211. a first sub-groove; 2121. and the first sub-bump.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1-4, an embodiment of the present invention provides a conductive polymer fiber 100 having a sheath-core structure, which includes a sheath 200 and a core 300, wherein the sheath 200 is a continuous tubular member with a cavity 210 therein; the core layer 300 is a solid continuous column, the core layer 300 is located in the cavity 210, and the outer surface of the core layer 300 and the side walls of the cavity 210 are bonded and at least partially fused; the core layer 300 is a conductive layer, the core layer 300 comprises polythiophene and/or carbon nanomaterial, and the conductivity of the core layer 300 is 90-105S/m; the skin layer 200 is an insulating layer. The material of the skin layer 200 includes at least one of polyethylene, polypropylene and polyacrylonitrile. The tensile strength of the conductive polymer fiber is 193-208MPa.
In this embodiment, the skin layer 200 is made of at least one of polyethylene, polypropylene and polyacrylonitrile, and the polyethylene, polypropylene, polyacrylonitrile or their mixture are all organic materials, so as to protect the core layer 300 from moisture, and prevent the core layer 300 from being corroded. The carbon nanomaterial of the core layer 300 may be selected from carbon nanotubes or doped polythiophenes or a mixture of both. Through the arrangement, the tensile strength of the conductive polymer fiber is 200MPa, and the conductive polymer fiber has higher tensile strength; the conductivity can reach 95S/m.
The polythiophene is a semiconductor material, and after doping, the polythiophene has high conductivity and can be a conductor material. Thus, if the core layer 300 material is selected from polythiophenes, the conductive polymer fiber 100 having a sheath-core structure of the present application can be used as a semiconductor device. And according to the different doping concentrations, semiconductor devices with different conductivities can be obtained, and the doping concentration is continuously increased, so that the core layer 300 with the conductivity of 95S/m can be obtained.
It should be noted that the cross section of the core layer 300 may be elliptical, triangular or rectangular, besides being circular, which is not limited herein. Also, the cross-sectional areas of the core 300 and the skin 200 are not limited to a fixed value, and may be partially thick and partially thin. In the dry densification, the position where the densification time is long is relatively thin, and the position where the densification time is short is relatively thick.
Further, the sidewall of the chamber 210 has a first protrusion 211 and a first groove 212; the outer surface of the core layer 300 is provided with a second bump 310 and a second groove 320; the second bump 310 is attached to the first bump 211 or the first groove 212, and the second groove 320 is attached to the first bump 211 or the first groove 212.
Referring to fig. 5 and 6, in one embodiment, the second bump 310 is attached to the first groove 212, and the second groove 320 is attached to the first bump 211. With the above arrangement, the outer surface of the core layer 300 and the inner surface of the sheath layer 200 are engaged with each other in addition to the fusion, and the tensile strength of each other is increased, thereby increasing the tensile strength of the conductive polymer fiber 100 having the sheath-core structure.
Referring to fig. 7, the present invention further provides a cable 400 formed by the conductive polymer fiber 100 with a sheath-core structure, which includes a plurality of conductive polymer fibers 100 with sheath-core structures and a wrapping layer 500;
a plurality of the conductive polymer fibers 100 having a sheath-core structure are arranged side by side; the wrapping layer 500 discontinuously and movably wraps the conductive polymer fiber 100 having the sheath-core structure; the wrapping 500 is comprised of an insulating material and/or a conductive material.
By the arrangement, a plurality of conductive polymer fibers 100 with a sheath-core structure are arranged side by side to form the cable 400, so that the conductivity can be enhanced. Since the sheath 200 of the conductive polymer fiber 100 with the sheath-core structure of the present invention is an insulating layer, the wrapping layer 500 may be made of an insulating material or a conductive material, and no leakage occurs. Because the conductive polymer fiber 100 having the sheath-core structure of the present invention has a sufficient tensile strength, the wrapping 500 may be provided discontinuously, and the continuous wrapping 500 is not required to perform insulation and tensile functions.
Further, the wrapping layer 500 can slide along the conductive polymer fiber 100 having the sheath-core structure.
Referring to fig. 8 and 9, the present invention further provides a mounting structure of a cable 400 formed by conductive polymer fibers 100 having a sheath-core structure, including:
the inner surface of the wrapping layer 500 is provided with a containing groove 510; the coating layer 500 is provided with a threaded rod 520, the threaded rod 520 is rotationally connected to the coating layer 500 through threads, one end of the threaded rod 520 extends into the accommodating groove 510, the threaded rod 520 is rotationally connected with a pressing block 530, the pressing block 530 is located in the accommodating groove 510, the surface of the pressing block 530 is provided with an anti-slip layer 540, and the other end of the threaded rod 520 is fixedly connected with a fixing ring 550.
Referring to fig. 10, the present invention further provides a method for installing a cable 400 formed by conductive polymer fibers 100 having a sheath-core structure, comprising the following steps:
step S11, poking the wrapping layer 500 to a required position, and rotating the threaded rod 520 to enable the anti-slip layer 540 to compress the conductive polymer fiber 100 with the sheath-core structure;
step S12, a bolt is passed through the fixing ring 550 and is connected to a desired position.
Usually, a clamp is required to secure the cable 400 when the cable 400 is installed. By the above arrangement, the wrapping layer 500 can be moved to a desired position, thereby fixing a plurality of the conductive polymer fibers 100 having the sheath-core structure, omitting the clip, and the installation position can be more flexible. And, rotating the threaded rod 520 to compress the anti-slip layer 540 against the conductive polymer fiber 100 having the sheath-core structure can make the plurality of conductive polymer fibers 100 having the sheath-core structure more tightly fit. The bolts pass through the fixing rings 550 and are connected to the required positions, on one hand, the fixing function can be achieved, and on the other hand, the bolts can be prevented from rotating by themselves, so that the wrapping layer 500 is prevented from sliding on the conductive polymer fiber 100 with the sheath-core structure, that is, the connection effect of the two can be improved, and the cable 400 is more firmly installed.
Further, referring to fig. 10, the anti-slip layer 540 includes a rubber air bag, the outer surface of the rubber air bag can be pressed against and attached to the conductive polymer fiber 100 with the skin-core structure, one side of the rubber air bag is connected with a cone air bag 541, and the cone air bag 541 can extend into the gap between the conductive polymer fibers 100 with the skin-core structure.
When the rubber balloon presses the conductive polymer fiber 100 having the sheath-core structure, the taper balloon 541 is inflated to press the conductive polymer fiber 100 having the sheath-core structure, so that a number of the conductive polymer fibers 100 having the sheath-core structure can be further tightened and the wrap 500 can be prevented from rotating.
Further, referring to fig. 11, the anti-slip layer 540 is a latticed air bag 542, a cavity 543 is provided between the latticed air bags 542, the conductive polymer fiber 100 with a sheath-core structure is located in the cavity 543, and when the anti-slip layer 540 is pressed by the pressing block 530, the latticed air bag 542 is inflated and pressed to fix the conductive polymer fiber 100 with the sheath-core structure.
The present arrangement can achieve an even compaction effect in addition to compacting the conductive polymer fiber 100 having the sheath-core structure, and can provide a buffer for the conductive polymer fiber 100 having the sheath-core structure.
Referring to fig. 12, the present invention provides a method for preparing a conductive polymer fiber 100 with a sheath-core structure, comprising the following steps:
step S21, preparing a cortical 200 solution: adding polyacrylonitrile powder into dimethyl sulfoxide solution, and stirring until the polyacrylonitrile powder is transparent yellow and sticky to prepare a first polyacrylonitrile solution, wherein the first polyacrylonitrile solution is taken as a cortical layer 200 solution;
step S22, preparing a core layer 300 solution: adding polyacrylonitrile powder into a dimethyl sulfoxide solution, stirring until the solution is transparent yellow sticky to prepare a second polyacrylonitrile solution, adding conductive material powder into the second acrylonitrile solution, and continuing stirring and ultrasonic treatment to prepare a core layer 300 solution;
step S23, molding: injecting the core layer 300 solution into an inner circular channel of a forming die, injecting the skin layer 200 solution into an outer circular channel of the forming die, mixing and forming the core layer 300 solution and the skin layer 200 solution in the forming die, and pulling out; the outer ring channel of the forming die surrounds the outer side of the inner ring channel of the forming die and is concentrically arranged, and the outer ring channel of the forming die is communicated with the inner ring channel of the forming die.
In this example, the solution absorbs the vibrational energy of the sound wave to raise the temperature and lower the surface tension, thereby increasing the stirring efficiency.
In step S21, when the skin layer 200 solution is prepared, polyacrylonitrile powder is added into dimethyl sulfoxide solution, and magnetic stirring is carried out for 4-6 hours at normal temperature, wherein the solution is transparent yellow sticky, and the skin layer 200 solution is prepared.
In step S22, when preparing the solution of the core layer 300, adding polyacrylonitrile powder into dimethyl sulfoxide solution, magnetically stirring at normal temperature for 4-6 hours, obtaining a transparent yellow viscous solution, and adding polythiophene powder and/or carbon nano powder into the polyacrylonitrile solution, wherein the mass ratio of the polyacrylonitrile powder to the conductive material powder is (6): 4, stirring continuously for 4-6.5 hours, and carrying out ultrasonic treatment for 6 hours to obtain the conductive polyacrylonitrile solution for the core layer 300. Further, stirring and ultrasonic treatment are performed simultaneously, so that the efficiency can be increased.
The mass ratio of the polyacrylonitrile powder to the conductive material powder is 6:4, the conductivity of the core 300 may reach 95S/m.
In this embodiment, the first polyacrylonitrile solution and the second polyacrylonitrile solution may be prepared at the same time, and the components of the first and second polyacrylonitrile solutions may be the same, and then, according to the required amounts of the skin layer 200 solution and the core layer 300 solution, a portion of the solution is taken out as the first polyacrylonitrile solution, i.e., as the skin layer 200 solution. The remaining solution is used as the second poly (acrylonitrile) solution, conductive material powder is added into the second poly (acrylonitrile) solution, and the solution of the core layer 300 is prepared by continuous stirring and ultrasonic treatment, so that the production efficiency can be improved.
Referring to fig. 13, in step S23, the molding method includes:
step S231, extracting the solution of the cortex 200 by using a first syringe, extracting the solution of the core layer 300 by using a second syringe, and respectively fixing the first syringe and the second syringe on two propulsion pumps;
step S232, enabling an outlet of the second injector to be communicated with the inner circular channel of the forming die through a pipeline, enabling an outlet of the first injector to be connected with the outer circular channel of the forming die through a pipeline, and simultaneously injecting the core layer 300 solution and the skin layer 200 solution into the inner circular channel of the forming die and the outer circular channel of the forming die respectively;
step S233, the core layer 300 solution and the skin layer 200 solution are converged and partially fused in a forming die and enter a coagulating bath to carry out first mechanical traction and hot water shower;
step S234, performing second mechanical traction, performing stretching orientation, and performing drying densification treatment to obtain the conductive polymer fiber 100 with the sheath-core structure.
Illustratively, the method of forming includes:
drawing the solution of the cortex 200 by using a first syringe, drawing the solution of the core layer 300 by using a second syringe, and respectively fixing the first syringe and the second syringe on two propelling pumps;
the outlet of the second injector is communicated with the inner circular channel of the forming die through a pipeline, the outlet of the first injector is connected with the outer circular channel of the forming die through a pipeline, and the core layer 300 solution and the skin layer 200 solution are respectively injected into the inner circular channel of the forming die and the outer circular channel of the forming die at the same time;
the core layer 300 solution and the skin layer 200 solution are converged and partially fused in a forming die, wherein the fusion length is 20mm, so that the skin-core layer 300 is well combined and a skin-core layer 300 structure is formed; and then the solution enters a coagulating bath, the solution of the coagulating bath is dimethyl sulfoxide with the volume of 40 percent and deionized water with the volume of 60 percent, and the first mechanical traction and the hot water shower with the temperature of 95-100 ℃ are carried out;
and (3) carrying out second mechanical traction, carrying out stretching orientation, and then carrying out drying densification treatment at 130 ℃ for 180 seconds to obtain the conductive polymer fiber 100 with the sheath-core structure.
Illustratively, the drying densification treatment can be performed on the one hand, and on the other hand, the water can be removed during a hot water shower, using hot air at 130 ℃ for 180 s.
Further, in the drying densification process, the treatment time for different positions of the conductive polymer fiber may be different, and the position where the densification time is long may be relatively thin, and the position where the densification time is short may be relatively thick.
Furthermore, the whole preparation process controls the extrusion speed of the solution through the micro-fluidic chip, thereby improving the production quality. For example, when the solution is extruded into a molding die, the microfluidic chip can control the extrusion amount and extrusion speed, thereby improving the production quality. The microfluidic chip Lab on a chip is a technical platform for processing a micro-nano scale channel network by a micro-processing technology, integrating basic operation units of sample preparation, reaction, separation, detection and the like in biological, chemical and medical analysis processes onto a chip with a few bisected centimeters, penetrating the whole system with controllable fluid, and replacing various functions of a conventional chemical or biological laboratory.
Further, referring to fig. 14 to 16, the present invention further provides a forming mold for a conductive polymer fiber having a sheath-core structure, which includes an inner circular channel 610 and an outer circular channel 620, wherein the inner circular channel 610 and the outer circular channel 620 are concentrically arranged, and the outer circular channel 620 is communicated with the lower part of the inner circular channel 610; the lower part of the outer ring passage 620 is inclined toward the inner ring passage 610; the outer ring channel 620 has a third rounded bump 621 and a third groove 622 therein for forming a first groove 212 and a first bump 211 in the inner layer of the skin layer 200, respectively; the inner circular channel 610 has rounded fourth protrusions 611 and fourth grooves 612 therein for forming the second grooves 320 and the second protrusions 310, respectively, on the outer side of the core 300.
Further, two kinds of third protrusions 621 are provided, one kind of third protrusions 621 and the fourth recess 612, and the other kind of third protrusions 621 is provided with the third recess 622, so that the produced first recess 212 formed in the inner layer of the skin layer 200 is further provided with a first sub-protrusion, and when the first recess 212 and the second protrusion 310 are clamped, the first sub-protrusion and the second protrusion 310 are abutted, so that they are convenient to firmly cooperate, and the tensile strength is increased.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A cable (400) of conductive polymer fibers (100) having a sheath-core structure, comprising a plurality of said conductive polymer fibers (100) having a sheath-core structure and a coating (500), characterized in that:
a plurality of conductive polymer fibers (100) with a sheath-core structure are arranged side by side;
the wrapping layer (500) is discontinuous and can movably wrap the conductive polymer fiber (100) with the sheath-core structure;
the wrapping layer (500) is made of an insulating material and/or a conductor material;
wherein the conductive polymer fiber (100) of the sheath-core structure comprises a sheath (200) and a core layer (300), the sheath (200) being a continuous tubular member having a cavity (210) therein;
-the core layer (300) is a solid continuous column, the core layer (300) being located in the cavity (210), and the outer surface of the core layer (300) and the side walls of the cavity (210) being bonded and at least partially fused;
the core layer (300) is a conductive layer, the core layer (300) comprises polythiophene and/or carbon nanomaterial, the skin layer (200) is an insulating layer, and the material of the skin layer (200) comprises at least one of polyethylene, polypropylene and polyacrylonitrile;
the inner surface of the wrapping layer (500) is provided with a containing groove (510); be provided with threaded rod (520) on parcel layer (500), threaded rod (520) are in through threaded rotation connection on parcel layer (500), threaded rod (520) one end extends to in holding tank (510), just threaded rod (520) rotate and are connected with briquetting (530), briquetting (530) are located holding tank (510), the surface of briquetting (530) is provided with anti-skidding layer (540), the other end fixedly connected with solid fixed ring (550) of threaded rod (520).
2. A cable (400) of conductive polymer fibers (100) having a sheath-core structure as claimed in claim 1, wherein: the side wall of the cavity (210) is provided with a first lug (211) and a first groove (212);
the outer surface of the core layer (300) is provided with a second bump (310) and a second groove (320);
the second bump (310) is attached to the first bump (211) or the first groove (212), and the second groove (320) is attached to the first bump (211) or the first groove (212).
3. A cable (400) of conductive polymer fibers (100) having a sheath-core structure as claimed in claim 1, wherein: the method for installing the cable (400) formed by the conductive polymer fiber (100) with the sheath-core structure comprises the following steps:
s11, stirring the wrapping layer (500) to a required position, and rotating the threaded rod (520) to enable the anti-slip layer (540) to compress the conductive polymer fiber (100) with the sheath-core structure;
step S12, a bolt is passed through the fixing ring (550) and is connected to a desired position.
4. A cable (400) of conductive polymer fibers (100) having a sheath-core structure as claimed in claim 1, wherein: the preparation method of the conductive polymer fiber (100) with the sheath-core structure comprises the following steps:
preparation of a cortical (200) solution: adding polyacrylonitrile powder into dimethyl sulfoxide solution, and stirring until the polyacrylonitrile powder is transparent yellow sticky to prepare a first polyacrylonitrile solution which is taken as a cortex (200) solution;
preparing a core layer (300) solution: adding polyacrylonitrile powder into dimethyl sulfoxide solution, stirring until the solution is transparent yellow and viscous to obtain second polyacrylonitrile solution, adding conductive material powder into the second acrylonitrile solution, and continuing stirring and ultrasonic treatment to obtain core layer (300) solution;
and (3) forming: injecting the core layer (300) solution into an inner circular channel of a forming die, injecting the skin layer (200) solution into an outer circular channel of the forming die, mixing and forming the core layer (300) solution and the skin layer (200) solution in the forming die, and pulling out; the outer ring channel of the forming die surrounds the outer side of the inner ring channel of the forming die and is concentrically arranged, and the outer ring channel of the forming die is communicated with the inner ring channel of the forming die.
5. A cable (400) of conductive polymer fibers (100) having a sheath-core structure as in claim 4, wherein: when the cortex (200) solution is prepared, polyacrylonitrile powder is added into dimethyl sulfoxide solution, and magnetic stirring is carried out for 4-6 hours at normal temperature, wherein the solution is transparent yellow sticky, and the cortex (200) solution is prepared.
6. A cable (400) of conductive polymer fibers (100) having a sheath-core structure as in claim 5, wherein: when preparing the core layer (300) solution, adding polyacrylonitrile powder into dimethyl sulfoxide solution, magnetically stirring at normal temperature for 4-6 hours, wherein the solution is transparent yellow sticky, so as to prepare the polyacrylonitrile solution, and adding polythiophene powder and/or carbon nano powder into the polyacrylonitrile solution, wherein the mass ratio of the polyacrylonitrile powder to the conductive material powder is (6): 4, stirring continuously for 4-6.5 hours, and carrying out ultrasonic treatment for 6 hours to obtain the conductive polyacrylonitrile solution for the core layer (300).
7. A cable (400) of conductive polymer fibers (100) having a sheath-core structure as in claim 6, wherein: the molding method comprises the following steps:
drawing the solution of the cortex (200) by using a first syringe, drawing the solution of the core layer (300) by using a second syringe, and respectively fixing the first syringe and the second syringe on two propelling pumps;
the outlet of the second injector is communicated with the inner circular channel of the forming die through a pipeline, the outlet of the first injector is connected with the outer circular channel of the forming die through a pipeline, and the core layer (300) solution and the skin layer (200) solution are respectively injected into the inner circular channel of the forming die and the outer circular channel of the forming die at the same time;
the core layer (300) solution and the skin layer (200) solution are converged and partially fused in a forming die, wherein the fusion length is 20mm, so that the skin-core layer (300) is well combined and a skin-core layer (300) structure is formed; and then the solution enters a coagulating bath, the solution of the coagulating bath is dimethyl sulfoxide with the volume of 40 percent and deionized water with the volume of 60 percent, and the first mechanical traction and the hot water shower with the temperature of 95-100 ℃ are carried out;
and (3) carrying out second mechanical traction, carrying out stretching orientation, and then carrying out drying densification treatment at 130 ℃ for 180 seconds to obtain the conductive polymer fiber (100) with the sheath-core structure.
8. A cable (400) of conductive polymer fibers (100) having a sheath-core structure as claimed in claim 1, wherein: the forming die of the conductive polymer fiber with the sheath-core structure comprises an inner circular channel (610) and an outer circular channel (620), wherein the inner circular channel (610) and the outer circular channel (620) are concentrically arranged, and the outer circular channel (620) is communicated with the lower part of the inner circular channel (610);
-the lower part of the outer ring channel (620) is inclined towards the inner ring channel (610);
the outer ring channel (620) is provided with a third smooth lug (621) and a third groove (622) which are respectively used for forming a first groove (212) and a first lug (211) on the inner layer of the cortex (200);
the inner circular channel (610) is provided with a fourth round convex block (611) and a fourth round concave groove (612) which are respectively used for forming a second concave groove (320) and a second convex block (310) on the outer side of the core layer (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211320712.2A CN115522270B (en) | 2022-10-26 | 2022-10-26 | Conductive polymer fiber with sheath-core structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211320712.2A CN115522270B (en) | 2022-10-26 | 2022-10-26 | Conductive polymer fiber with sheath-core structure and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115522270A CN115522270A (en) | 2022-12-27 |
| CN115522270B true CN115522270B (en) | 2023-04-28 |
Family
ID=84703385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211320712.2A Active CN115522270B (en) | 2022-10-26 | 2022-10-26 | Conductive polymer fiber with sheath-core structure and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115522270B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1465549A (en) * | 2002-07-04 | 2004-01-07 | 厦门大学 | Procesxs for producing continuous silicon carbide fibre by skin and core double-composition fibre method |
| CN1796623A (en) * | 2004-12-31 | 2006-07-05 | 株式会社晓星 | Method for manufacturing composite fiber with excellent conductivity |
| CN1840750A (en) * | 2006-02-09 | 2006-10-04 | 东华大学 | Electrically conductive composite fibre containing carbon nanotube and method for making same |
| CN101358387A (en) * | 2008-09-09 | 2009-02-04 | 江苏省纺织研究所有限公司 | White composite electric conductive fiber |
| JP2011226002A (en) * | 2010-04-15 | 2011-11-10 | Ube Nitto Kasei Co Ltd | Composite fiber of crypto-irregular sheath core and non-woven fabric comprising the same |
| CN102449211A (en) * | 2009-05-27 | 2012-05-09 | 阿克马法国公司 | Multilayer conductive fiber and method for producing the same by coextrusion |
| CN207718895U (en) * | 2017-12-29 | 2018-08-10 | 江苏美视达线缆有限公司 | A kind of novel RVV composite cables |
| CN111364121A (en) * | 2018-12-25 | 2020-07-03 | 北京中纺优丝特种纤维科技有限公司 | Antibacterial conductive fiber and preparation method thereof |
-
2022
- 2022-10-26 CN CN202211320712.2A patent/CN115522270B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1465549A (en) * | 2002-07-04 | 2004-01-07 | 厦门大学 | Procesxs for producing continuous silicon carbide fibre by skin and core double-composition fibre method |
| CN1796623A (en) * | 2004-12-31 | 2006-07-05 | 株式会社晓星 | Method for manufacturing composite fiber with excellent conductivity |
| CN1840750A (en) * | 2006-02-09 | 2006-10-04 | 东华大学 | Electrically conductive composite fibre containing carbon nanotube and method for making same |
| CN101358387A (en) * | 2008-09-09 | 2009-02-04 | 江苏省纺织研究所有限公司 | White composite electric conductive fiber |
| CN102449211A (en) * | 2009-05-27 | 2012-05-09 | 阿克马法国公司 | Multilayer conductive fiber and method for producing the same by coextrusion |
| JP2011226002A (en) * | 2010-04-15 | 2011-11-10 | Ube Nitto Kasei Co Ltd | Composite fiber of crypto-irregular sheath core and non-woven fabric comprising the same |
| CN207718895U (en) * | 2017-12-29 | 2018-08-10 | 江苏美视达线缆有限公司 | A kind of novel RVV composite cables |
| CN111364121A (en) * | 2018-12-25 | 2020-07-03 | 北京中纺优丝特种纤维科技有限公司 | Antibacterial conductive fiber and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115522270A (en) | 2022-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Carneiro et al. | Production and assessment of polycarbonate composites reinforced with vapour-grown carbon fibres | |
| Rohatgi et al. | Experimental investigation of flow‐induced microvoids during impregnation of unidirectional stitched fiberglass mat | |
| Salahuddin et al. | Superhydrophobic PAN nanofibers for gas diffusion layers of proton exchange membrane fuel cells for cathodic water management | |
| Lalia et al. | Nanocrystalline cellulose-reinforced composite mats for lithium-ion batteries: electrochemical and thermomechanical performance | |
| CN106629650B (en) | A kind of magnanimity preparation method of monodisperse phenolic resin microspheres and porous carbon microsphere | |
| EP3406326A1 (en) | Fluid separation membrane, fluid separation membrane module, and porous carbon fiber | |
| CN106422995A (en) | Graphene aerogel and hybrid composite material thereof as well as preparation method and application of graphene aerogel | |
| Noorani et al. | Nano-enabled microtechnology: polysulfone nanocomposites incorporating cellulose nanocrystals | |
| CN103572386B (en) | A kind of flat board pin hole coaxial electrostatic spinning fiber composite spinning head and spinning process thereof | |
| Liu et al. | Preparation and surface modification of PVDF-carbon felt composite bipolar plates for vanadium flow battery | |
| CN107275116B (en) | A kind of ordered porous highly conductive graphene fiber of N doping and the preparation method and application thereof | |
| CN115522270B (en) | Conductive polymer fiber with sheath-core structure and preparation method thereof | |
| CN105625016A (en) | Method for depositing oxidized graphene on surface of carbon fiber and polyamide composite material containing carbon fiber | |
| CN111267372A (en) | Method for preparing polymer nano composite material by ultrasonic-assisted forced infiltration | |
| Peng et al. | Continuous fabrication of multi-stimuli responsive graphene oxide composite hydrogel fibres by microfluidics | |
| Liu et al. | Wet-spun side-by-side electrically conductive composite fibers | |
| CA2419134A1 (en) | Improved polymer matrix composite | |
| Xie et al. | Carboxyl-terminated butadiene-acrylonitrile-modified carbon paper for use of gas diffusion layer in PEM fuel cells | |
| CN112970138B (en) | Gas diffusion electrode, method for producing gas diffusion electrode, membrane electrode assembly, and fuel cell | |
| Dirand et al. | Crosslinking of vinyl ester matrix in contact with different surfaces | |
| CN110330747A (en) | A kind of preparation method and application of big strain super-elasticity PVA/MCNTS hydrogel | |
| CN110330754B (en) | Nascent thin film, polyacrylonitrile-based carbon thin film and preparation method | |
| Vickackaite et al. | Polyaniline-polypyrrole coating for solid phase microextraction | |
| Gu et al. | Mechanical and surface properties of HF50S carbon fibers | |
| CN104959128A (en) | Preparation method of expanded graphite ball used for dye wastewater treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A conductive polymer fiber with skin core structure and its preparation method Effective date of registration: 20231207 Granted publication date: 20230428 Pledgee: Agricultural Bank of China Limited Huimin County Branch Pledgor: SHANDONG JINGUAN NET Co.,Ltd. Registration number: Y2023980069912 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20230428 Pledgee: Agricultural Bank of China Limited Huimin County Branch Pledgor: SHANDONG JINGUAN NET Co.,Ltd. Registration number: Y2023980069912 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A conductive polymer fiber with skin core structure and its preparation method Granted publication date: 20230428 Pledgee: Huimin County Sub-branch of Postal Savings Bank of China Ltd. Pledgor: SHANDONG JINGUAN NET Co.,Ltd. Registration number: Y2024980005723 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |