CN110409011A - Composite conducting monofilament and its preparation method and application - Google Patents
Composite conducting monofilament and its preparation method and application Download PDFInfo
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- CN110409011A CN110409011A CN201910755691.9A CN201910755691A CN110409011A CN 110409011 A CN110409011 A CN 110409011A CN 201910755691 A CN201910755691 A CN 201910755691A CN 110409011 A CN110409011 A CN 110409011A
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- composite conducting
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- conducting monofilament
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- 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
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- 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
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- 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
- D01F1/10—Other agents for modifying properties
- D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
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- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
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- Multicomponent Fibers (AREA)
Abstract
The invention discloses a kind of composite conducting monofilament and its preparation method and application, which includes matrix, graphene, carbon nanotube and carbon black.The composite conducting monofilament has point-line-face 3 D stereo conductive network, has permanent antistatic performance, and sheet resistance is 10-1000 Ω, intensity >=40MPa, elongation >=115%, ultraviolet protection performance T (UVA)AV(%)≤5%, T (UVB)AVRating >=50 (%)≤5%, UPF, far infrared transmissivity >=0.88, half-life period≤2.0s, bacteriostasis rate >=97%.
Description
Technical field
The invention belongs to conductive polymer fiber arts, specifically, the present invention relates to composite conducting monofilament and its preparations
Methods and applications.
Background technique
The conductive fiber occurred on the market generally has following five kinds, i.e. metal system, carbon system, conductive polymer subsystem, nanometer
Metal oxide system and antistatic agent system.Wherein, metal system conductive fiber conducts electricity very well, but feel is too poor, poor toughness and
Cannot bend, blended performance it is poor.Carbon series conductive fiber is bent, has permanent antistatic, but resistance value is difficult to drop to
Conductor is horizontal；Conductive polymer subsystem conductive fiber is prepared with conducting polymer direct fabrics, has the advantages that good hand touch,
But such stability of fiber can be poor, environmental factor dependence is strong, and antistatic property is weak；Nano-metal-oxide system conductive fiber has face
Color is controllable, the advantages of conducting electricity very well, but fiber price is high, also there is the risk of heavy metal pollution；Antistatic agent system is conductive fine
Dimension has many advantages, such as that preparation method is simple, fiber surface is smooth, but antistatic property is affected by environment big, in certain environments
Antistatic property may be lost.
Currently, having there is some researchs by assigning filamentary conductive in fiber surface coating.The equal energy of these methods
The fiber to be conducted electricity very well.Such as hydrocarbon black powder and 66 monomer of polyamide fibre, formic acid, ethyl alcohol, deionized water are completely dispersed
Even formation homogeneous solution, is then filtered homogeneous solution by filter layer, and carbon black solution is obtained after filtering.Carbon black solution is led to
It crosses measuring jet to be sprayed on high-performance PA66 monofilament, forms carbon black coating.Then the PA66 monofilament of coating is put into
It is dried in 120-180 DEG C of baking oven to get high-strength high-accuracy 66 utter misery conductive monofilament of polyamide fibre is arrived.This method simple possible, still
There are coating layer thicknesses it is uncontrollable, monofilament surface is rough, coating is easy to fall off, not easy to break the disadvantages of, in addition, the coating poor toughness,
The stretched possible forfeiture electric conductivity of monofilament.For another example a kind of method for preparing graphene conductive fiber, includes following three steps
Suddenly, first, preparation graphene slurry；The second, by graphene slurry coating in fiber surface；Third puts cated fiber
Enter 180-350 DEG C and bake to prepare conductive fiber.Such method is only applicable to monofilament, and there are coating layer thicknesses to be difficult to control, tow table
The disadvantages of face is rough.
Therefore, existing conductive fiber is further improved.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of composite conducting monofilament and its preparation method and application.The composite conducting monofilament has point-line-face
3 D stereo conductive network has permanent antistatic performance, excellent ultraviolet protection performance, far infrared transmission performance, electric conductivity
Energy and anti-microbial property.
In one aspect of the invention, the invention proposes a kind of composite conducting monofilament, according to an embodiment of the invention, should
Composite conducting monofilament includes matrix, graphene, carbon nanotube and carbon black.Composite conducting monofilament according to an embodiment of the present invention leads to
It crosses and graphene is used to be compounded with three kinds of carbon nanotube, carbon black conductive fillers to construct point-line-face 3 D stereo conductive network, lead to
It crosses and uses the three and matrix collocation, it can be ensured that the permanent antistatic performance of composite conducting monofilament, while the composite conducting list
The electric conductivity of silk can reach metal rank, and sheet resistance is 10-1000 Ω, intensity >=40MPa, and elongation >=115% is ultraviolet
Protective performance T (UVA)AV(%)≤5%, T (UVB)AVRating >=50 (%)≤5%, UPF, far infrared transmissivity >=0.88,
Half-life period≤2.0s, bacteriostasis rate >=97%.The composite conducting monofilament has wide range of applications as a result, can be used for intelligent heating, intelligence
The fields such as wearing.
In addition, composite conducting monofilament according to the above embodiment of the present invention can also have the following additional technical features:
In some embodiments of the invention, described matrix and the graphene and the carbon nanotube, the carbon black
Mass ratio is 100:0.1-3:0.1-3:1-10.
In some embodiments of the invention, the diameter of the composite conducting monofilament is 0.1-0.3mm.
In some embodiments of the invention, described matrix is selected from nylon, terylene, polypropylene, polypropylene fibre, polyethylene, gathers
At least one of acid imide, polyether ester fiber.
In another aspect of the invention, the invention proposes a kind of method for preparing above-mentioned composite conducting monofilament, according to
The embodiment of the present invention, this method comprises:
(1) matrix, graphene, carbon nanotube, carbon black are mixed, to obtain wire drawing masterbatch；
(2) the wire drawing masterbatch is obtained into silk through extruding, filter screen filtration and wire drawing process；
(3) silk is subjected to pre-crystallized processing；
(4) the resulting pre-crystallized rear silk of step (3) is subjected to hot-stretch processing, to obtain composite conducting monofilament.
The method according to an embodiment of the present invention for preparing conductive monofilament, by by matrix and graphene, carbon nanotube, carbon black
It is mixed with wire drawing masterbatch, graphene can compound building point-line-face 3 D stereo with three kinds of carbon nanotube, carbon black conductive fillers
Conductive network, by using the three and matrix collocation, it can be ensured that the permanent antistatic performance of composite conducting monofilament；By
Pre-crystallized processing is carried out to silk before hot-stretch processing, can guarantee that silk keeps 3 D stereo conductive during subsequent draw high
Network avoids the nonconducting defect of composite conducting monofilament appearance during stretching；Then by the silk after will be pre-crystallized into
Row hot-stretch processing, can enhance the intensity of composite conducting monofilament, and make composite conducting monofilament thinner.Resulting composite conducting list
The electric conductivity of silk can reach metal rank, sheet resistance 10-103Ω, intensity >=40MPa, elongation >=115% are ultraviolet
Protective performance T (UVA)AV(%)≤5%, T (UVB)AVRating >=50 (%)≤5%, UPF, far infrared transmissivity >=0.88,
Half-life period≤2.0s, bacteriostasis rate >=97% have wide range of applications, and can be used for the fields such as intelligent heating, intelligence wearing.And this method
It is not related to complex device, is not related to high temperature and pressure, there is the feasibility of large-scale production.
In addition, the method according to the above embodiment of the present invention for preparing composite conducting monofilament can also have it is following additional
Technical characteristic:
In some embodiments of the invention, in step (1), by described matrix and the graphene, the carbon nanometer
Pipe, the mixing of the carbon black, auxiliary agent, to obtain wire drawing masterbatch.It can further improve the quality of wire drawing masterbatch as a result,.
In some embodiments of the invention, in step (1), the auxiliary agent is selected from dispersing agent, antioxidant and increasing
At least one of tough dose.It can further improve the quality of wire drawing masterbatch as a result,.
In some embodiments of the invention, in step (1), the dispersing agent and the antioxidant, the toughening
The mass ratio of agent is 0-5:0-0.5:0-0.5.It can further improve the quality of wire drawing masterbatch as a result,.
In some embodiments of the invention, in step (1), the mass ratio of the auxiliary agent and described matrix is 0.1-
10:100.It can further improve the quality of wire drawing masterbatch as a result,.
In some embodiments of the invention, in step (1), sheet resistance≤1000 Ω of the wire drawing masterbatch.By
This, can further improve the quality of composite conducting monofilament.
In some embodiments of the invention, in step (1), sheet resistance≤100 Ω of the wire drawing masterbatch.By
This, can further improve the quality of composite conducting monofilament.
In some embodiments of the invention, in step (2), the mesh number of the filter screen is 100-500 mesh.As a result,
It can further improve the quality of composite conducting monofilament.
In some embodiments of the invention, in step (2), the mesh number of the filter screen is 350-500 mesh.As a result,
It can further improve the quality of composite conducting monofilament.
In some embodiments of the invention, in step (3), the pre- knot is carried out by hot bath or metal plate heating
Crystalline substance processing.It can further improve the quality of composite conducting monofilament as a result,.
In some embodiments of the invention, in step (3), the temperature of the hot bath is 50-100 DEG C.As a result, may be used
Further increase the quality of composite conducting monofilament.
In some embodiments of the invention, in step (3), the temperature of the metal plate is 100-300 DEG C.As a result,
It can further improve the quality of composite conducting monofilament.
In some embodiments of the invention, in step (4), the pre-crystallized rear silk carries out the hot-stretch processing
Draw ratio be 1-8:1.It can further improve the quality of composite conducting monofilament as a result,.
In some embodiments of the invention, in step (4), the pre-crystallized rear silk carries out the hot-stretch processing
Draw ratio be 1.5-7:1.It can further improve the quality of composite conducting monofilament as a result,.
In some embodiments of the invention, in step (4), the draw off rate of the hot-stretch processing is 50-
300rpm.It can further improve the quality of composite conducting monofilament as a result,.
In an additional aspect of the present invention, the invention proposes a kind of intelligent wearable devices, according to an embodiment of the invention,
At least part in the intelligent wearable device includes above-mentioned composite conducting monofilament or the above-mentioned side for preparing composite conducting monofilament
The composite conducting monofilament that method is prepared.The intelligent wearable device has permanently resisting for the composite conducting monofilament quiet as a result,
Electrical property has excellent ultraviolet protection performance, far infrared transmission performance, electric conductivity and anti-microbial property.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the method flow schematic diagram according to an embodiment of the invention for preparing composite conducting monofilament.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In one aspect of the invention, the invention proposes a kind of composite conducting monofilament, according to an embodiment of the invention, should
Composite conducting monofilament includes matrix, graphene, carbon nanotube and carbon black.Inventors have found that graphene and carbon nanotube, carbon black three
Kind conductive filler can compound building point-line-face 3 D stereo conductive network, can be true by using the three and matrix collocation
The permanent antistatic performance of composite conducting monofilament is protected, while can make the composite conducting monofilament that there is excellent electric conductivity, ultraviolet
Protective performance, far infrared transmission performance and anti-microbial property.Further, matrix and graphene and carbon nanotube, the quality of carbon black
Than being not particularly restricted, those skilled in the art can select according to actual needs, such as can be 100:0.1-3:
0.1-3:1-10 such as can be 100:0.1/0.5/1/1.5/2/2.5/3:0.1/0.5/1/1.5/2/2.5/3:1/2/4/5/ 6/
8/10.Inventors have found that matrix and graphene and carbon nanotube, the mass ratio of carbon black are excessively high or too low for composite conducting list
The electric property of silk, mechanical performance have larger impact, if matrix content is excessively high, the electric property of resulting composite conducting monofilament
Difference, high mechanical strength；If matrix content is too low, the electric property of gained composite conducting monofilament is high, and mechanical performance is low.Further
, the concrete type of matrix is also not particularly limited, such as can is selected from nylon, terylene, polypropylene, polypropylene fibre, polyethylene, be gathered
At least one of acid imide, polyether ester fiber.Inventors have found that being conducive to improve composite conducting monofilament using above-mentioned matrix
The content of middle conductive filler.Further, the diameter of composite conducting monofilament is also not particularly limited, such as can be 0.1-
0.3mm, such as can be 0.1mm, 0.15mm, 0.2mm, 0.25mm, 0.3mm.Inventors have found that the composite conducting of same ratio
The diameter of monofilament is bigger, and electric conductivity is stronger.
Composite conducting monofilament according to an embodiment of the present invention, by using graphene and three kinds of carbon nanotube, carbon black conductions
Filler is compounded to construct point-line-face 3 D stereo conductive network, by using the three and matrix collocation, it can be ensured that compound
The permanent antistatic performance of conductive monofilament, while the electric conductivity of the composite conducting monofilament can reach metal rank, sheet resistance
For 10-1000 Ω, intensity >=40MPa, elongation >=115%, ultraviolet protection performance T (UVA)AV(%)≤5%, T (UVB)AV
Rating >=50 (%)≤5%, UPF, far infrared transmissivity >=0.88, half-life period≤2.0s, bacteriostasis rate >=97%.As a result, should
Composite conducting monofilament has wide range of applications, and can be used for the fields such as intelligent heating, intelligence wearing.
In another aspect of the invention, the invention proposes a kind of method for preparing above-mentioned composite conducting monofilament, according to
The embodiment of the present invention, with reference to Fig. 1, this method comprises:
S100: matrix, graphene, carbon nanotube, carbon black are mixed
In the step, matrix, graphene, carbon nanotube, carbon black are mixed, to obtain wire drawing masterbatch.Inventors have found that
By the way that matrix and graphene, carbon nanotube, carbon black are mixed with wire drawing masterbatch, graphene is led with carbon nanotube, three kinds of carbon black
Electric filler can compound building point-line-face 3 D stereo conductive network, by using the three and matrix collocation, it can be ensured that multiple
Close the permanent antistatic performance of conductive monofilament.Meanwhile graphene can be made compound by acting on matrix, carbon nanotube, carbon black
Conductive monofilament has excellent electric conductivity, ultraviolet protection performance, far infrared transmission performance and anti-microbial property.Further, may be used
To mix matrix with graphene, carbon nanotube, carbon black and auxiliary agent, to obtain wire drawing masterbatch.The mass ratio of auxiliary agent and matrix
It is not particularly restricted, those skilled in the art can select according to actual needs, such as can be 0.1-10:100, such as
It can be 0.1/0.5/1/2/3/5/7/9/10:100, inventors have found that the additive amount of auxiliary agent is got in above-mentioned content range
Greatly, the surface of composite conducting monofilament is more smooth.Further, the concrete type of auxiliary agent can be according to the selection of raw material and subsequent
The requirement of technique is selected, such as can be for selected from least one of dispersing agent, antioxidant and toughener.Specifically,
Dispersing agent can be for selected from low-molecular polyethylene wax, PETs, paraffin, atoleine, stearic acid, oxidic polyethylene and its derivative
At least one of；Antioxidant can be for selected from BHA, BHT, antioxidant 246, antioxidant 1076, antioxidant 300, antioxidant
At least one of SKY-1035；Toughener can in SRK-200A, POE, SEBS, EBS, MAH-g-EPDM at least
One of.Further, the mass ratio of dispersing agent and antioxidant, toughener can be 0-5:0-0.5:0-0.5, such as can be
0/1/2/3/4/5:0/0.1/0.2/0.3/0.4/0.5:0/0.1/0.2/0.3/0.4/0.5.Inventors have found that dispersing agent, anti-
The mass ratio of oxygen agent and toughener is bigger, and the mechanical performance of composite conducting monofilament is stronger, and processing performance is better.Further, it draws
The sheet resistance of screw material is not more than 1000 Ω, it is preferred that the sheet resistance of wire drawing masterbatch is not more than 100 Ω.Inventors have found that
When the sheet resistance of wire drawing masterbatch is less than 100 Ω, electric conductivity can be used for intelligent heating part and lead close to metal rank
Line part.
S200: by wire drawing masterbatch through extruding, filter screen filtration and wire drawing process
In the step, by wire drawing masterbatch through extruding, filter screen filtration and wire drawing process, silk is obtained.Specifically, wire drawing is female
Enter filter screen through screw extruding after material melting, then obtains silk through drawing head wire drawing again.Wherein, the mesh number of filter screen and
Wire drawing process determines the diameter of silk.A specific embodiment according to the present invention, the mesh number of filter screen can be
100-500 mesh, preferably 350-500 mesh.Inventors have found that within the above range, filter screen mesh number is bigger, composite conducting monofilament
Surface is more smooth.
S300: silk is subjected to pre-crystallized processing
In the step, silk is subjected to pre-crystallized processing, inventors have found that pre-crystallized processing is conducive to improve composite conducting
The electric conductivity of monofilament.By carrying out pre-crystallized processing to silk before hot-stretch processing, can guarantee in silk in subsequent drawing
3 D stereo conductive network is able to maintain during rising, and avoids the appearance of composite conducting monofilament is nonconducting during stretching from lacking
It falls into.Further, pre-crystallized processing can be carried out by hot bath or metal plate heating, what mode and each mode is specifically used
The height of lower temperature can be depending on the concrete type of matrix.When carrying out pre-crystallized processing by hot bath, the temperature of hot bath
Degree can be 50-100 DEG C, such as can be 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 100 DEG C.It is heated and is carried out by metal plate
When pre-crystallized processing, the temperature of metal plate can be 100-300 DEG C, for example, can for 100 DEG C, 120 DEG C, 140 DEG C, 160 DEG C,
180℃、200℃、220℃、240℃、260℃、280℃、300℃。
S400: the resulting pre-crystallized rear silk of S300 is subjected to hot-stretch processing
In the step, the resulting pre-crystallized rear silk of S300 is subjected to hot-stretch processing, to obtain composite conducting monofilament.
Inventors have found that carrying out hot-stretch processing by the silk after will be pre-crystallized, the intensity of composite conducting monofilament can be enhanced, and make
Composite conducting monofilament is thinner.Further, it can be 1-8:1 that pre-crystallized rear silk, which carries out the draw ratio of hot-stretch processing, such as
It can be 1/1.5/2/2.5/3/3.5/4/4.5/5/5.5/6/6.5/7/7.5/8:1, preferably 1.5-7:1.Further, hot-drawn
Stretching draw off rate when processing can be 50-300rpm, for example, can for 50rpm, 75rpm, 100rpm, 125rpm, 150rpm,
175rpm、200rpm、225rpm、250rpm、275rpm、300rpm。
The method according to an embodiment of the present invention for preparing conductive monofilament, by by matrix and graphene, carbon nanotube, carbon black
It is mixed with wire drawing masterbatch, graphene can compound building point-line-face 3 D stereo with three kinds of carbon nanotube, carbon black conductive fillers
Conductive network, by using the three and matrix collocation, it can be ensured that the permanent antistatic performance of composite conducting monofilament；By
Pre-crystallized processing is carried out to silk before hot-stretch processing, can guarantee 3 D stereo conductive mesh during silk is in subsequent draw high
Network is able to maintain, and avoids the nonconducting defect of composite conducting monofilament appearance during stretching；Pass through the silk after will be pre-crystallized
Hot-stretch processing is carried out, the intensity of composite conducting monofilament can be enhanced, and make composite conducting monofilament thinner.Resulting composite conducting
The electric conductivity of monofilament can reach metal rank, and sheet resistance is 10-1000 Ω, intensity >=40MPa, elongation >=115%, purple
Outer protective performance T (UVA)AV(%)≤5%, T (UVB)AVRating >=50 (%)≤5%, UPF, far infrared transmissivity >=
0.88, half-life period≤2.0s, bacteriostasis rate >=97% has wide range of applications, and can be used for the fields such as intelligent heating, intelligence wearing.And
This method is not related to complex device, is not related to high temperature and pressure, has the feasibility of large-scale production.
It should be noted that the feature and advantage of above-mentioned composite conducting monofilament are equally applicable to above-mentioned prepare composite conducting list
The method of silk, repeats no more this.
In an additional aspect of the present invention, the invention proposes a kind of intelligent wearable devices, according to an embodiment of the invention,
At least part in the intelligent wearable device includes above-mentioned composite conducting monofilament or the above-mentioned side for preparing composite conducting monofilament
The composite conducting monofilament that method is prepared.The intelligent wearable device has permanently resisting for the composite conducting monofilament quiet as a result,
Electrical property has excellent ultraviolet protection performance, far infrared transmission performance, electric conductivity and anti-microbial property.
Below with reference to specific embodiment, present invention is described, it should be noted that these embodiments are only to describe
Property, without limiting the invention in any way.
Embodiment 1
By base nylon 6 and graphene, carbon nanotube, carbon black, dispersing agent EVA-3, antioxidant SKY-1035, toughener
SRK-200A is mixed according to mass ratio 100:3:1:0.5:3:0.2:0.05, obtains the wire drawing masterbatch that sheet resistance is 25 Ω；It will
The filter screen filtration and wire drawing process that wire drawing masterbatch is squeezed, mesh number is 500 mesh, obtain silk；Metal plate by 230 DEG C adds
Heat carries out pre-crystallized processing to silk；Silk carries out heat according to draw ratio 1.5:1 at draw off rate 200rpm after will be pre-crystallized
Stretch processing, to obtain the composite conducting monofilament that diameter is 0.105mm.
The composite conducting monofilament is detected, sheet resistance is 900 Ω, intensity 57MPa, elongation 120%.
It is further detected, the ultraviolet protection performance T (UVA) of the composite conducting monofilamentAV(%) is 0.2%, T (UVB)AV(%) is
0.5%, UPF Rating are 89, far infrared transmissivity 0.90, half-life period 0s, bacteriostasis rate 98%.
Embodiment 2
By base nylon 6 and graphene, carbon nanotube, carbon black, dispersing agent EVA-3, antioxidant SKY-1035, toughener
SRK-200A is mixed according to mass ratio 100:4:2:1.5:4:0.5:0.05, obtains the wire drawing masterbatch that sheet resistance is 77 Ω；It will
The filter screen filtration and wire drawing process that wire drawing masterbatch is squeezed, mesh number is 350 mesh, obtain silk；Metal plate by 230 DEG C adds
Heat carries out pre-crystallized processing to silk；Silk carries out heat according to draw ratio 1.5:1 at draw off rate 200rpm after will be pre-crystallized
Stretch processing, to obtain the composite conducting monofilament that diameter is 0.2mm.
The composite conducting monofilament is detected, sheet resistance is 280 Ω, intensity 45MPa, elongation 138%.
It is further detected, the ultraviolet protection performance T (UVA) of the composite conducting monofilamentAV(%) is 0.03%, T (UVB)AV(%) is
0.05%, UPF Rating are 102, far infrared transmissivity 0.91, half-life period 0s, bacteriostasis rate 99%.
Embodiment 3
By base nylon 6 and graphene, carbon nanotube, carbon black, dispersing agent EVA-3, antioxidant SKY-1035, toughener
SRK-200A is mixed according to mass ratio 100:5:2:3:5:0.5:0.5, obtains the wire drawing masterbatch that sheet resistance is 43 Ω；By wire drawing
The filter screen filtration and wire drawing process that masterbatch is squeezed, mesh number is 100 mesh, obtain silk；Pass through 300 DEG C of metal plate heating pair
Silk carries out pre-crystallized processing；Silk carries out at hot-stretch at draw off rate 50rpm according to draw ratio 8:1 after will be pre-crystallized
Reason, to obtain the composite conducting monofilament that diameter is 0.1mm.
The composite conducting monofilament is detected, sheet resistance is 24 Ω, intensity 43MPa, elongation 129%.
It is further detected, the ultraviolet protection performance T (UVA) of the composite conducting monofilamentAV(%) is 0.01%, T (UVB)AV(%) is
0.03%, UPF Rating are 130, far infrared transmissivity 0.91, half-life period 0s, bacteriostasis rate 99.5%.
Comparative example 1 is without graphene
By base nylon 6 and carbon nanotube, carbon black, dispersing agent EVA-3, antioxidant SKY-1035, toughener SRK-200A
It is mixed according to mass ratio 100:1:0.5:3:0.2:0.05, obtains the wire drawing masterbatch that sheet resistance is E06 Ω rank；By wire drawing mother
The filter screen filtration and wire drawing process that material is squeezed, mesh number is 500 mesh, obtain silk；It is heated by 230 DEG C of metal plates to silk
Material carries out pre-crystallized processing；Silk carries out at hot-stretch at draw off rate 200rpm according to draw ratio 1.5:1 after will be pre-crystallized
Reason, to obtain the composite conducting monofilament that diameter is 0.105mm.
The composite conducting monofilament is detected, sheet resistance is E07 Ω rank, and intensity 40MPa, elongation is
109%.It is further detected, the ultraviolet protection performance T (UVA) of the composite conducting monofilamentAV(%) is 6%, T (UVB)AV(%)
It is 45 for 4.5%, UPF Rating, far infrared transmissivity 86, half-life period 35s, bacteriostasis rate 53%.
2 carbon-free nanoscale pipe of comparative example
Base nylon 6 and graphene, carbon black, dispersing agent EVA-3, antioxidant SKY-1035, toughener SRK-200A are pressed
It is mixed according to mass ratio 100:4:1.5:4:0.5:0.05, obtains the wire drawing masterbatch that sheet resistance is E05 Ω rank；By wire drawing masterbatch
It is squeezed, the filter screen filtration and wire drawing process that mesh number is 350 mesh, obtains silk；It is heated by 230 DEG C of metal plates to silk
Carry out pre-crystallized processing；Silk carries out hot-stretch processing according to draw ratio 1.5:1 at draw off rate 200rpm after will be pre-crystallized,
To obtain the composite conducting monofilament that diameter is 0.2mm.
The composite conducting monofilament is detected, sheet resistance is E06 Ω rank, and intensity 43MPa, elongation is
116%.It is further detected, the ultraviolet protection performance T (UVA) of the composite conducting monofilamentAV(%) is 4%, T (UVB)AV(%)
It is 25 for 23%, UPF Rating, far infrared transmissivity 78, half-life period 25s, bacteriostasis rate 45%.
Comparative example 3 is without carbon black
By base nylon 6 and graphene, carbon nanotube, dispersing agent EVA-3, antioxidant SKY-1035, toughener SRK-
200A is mixed according to mass ratio 100:5:2:5:0.5:0.5, obtains the wire drawing masterbatch that sheet resistance is 500 Ω；By wire drawing masterbatch
It is squeezed, the filter screen filtration and wire drawing process that mesh number is 100 mesh, obtains silk；It is heated by 300 DEG C of metal plates to silk
Carry out pre-crystallized processing；Silk carries out hot-stretch processing according to draw ratio 8:1 at draw off rate 50rpm after will be pre-crystallized, with
Just the composite conducting monofilament that diameter is 0.1mm is obtained.
The composite conducting monofilament is detected, sheet resistance is 3000 Ω, intensity 58MPa, elongation 90%.
It is further detected, the ultraviolet protection performance T (UVA) of the composite conducting monofilamentAV(%) is 6%, T (UVB)AV(%) is 4%,
UPF Rating is 48, far infrared transmissivity 87, half-life period 28s, bacteriostasis rate 90%.
Comparative example 4 is without pre-crystallized processing
By base nylon 6 and graphene, carbon nanotube, carbon black, dispersing agent EVA-3, antioxidant SKY-1035, toughener
SRK-200A is mixed according to mass ratio 100:3:1:0.5:3:0.2:0.05, obtains the wire drawing masterbatch that sheet resistance is 790 Ω；It will
The filter screen filtration and wire drawing process that wire drawing masterbatch is squeezed, mesh number is 500 mesh, obtain silk；By silk in draw off rate
Hot-stretch processing is carried out according to draw ratio 1.5:1 under 200rpm, to obtain the composite conducting monofilament that diameter is 0.105mm.
The composite conducting monofilament is detected, sheet resistance is 1000 Ω, intensity 33MPa, elongation 81%.
It is further detected, the ultraviolet protection performance T (UVA) of the composite conducting monofilamentAV(%) is 0.2%, T (UVB)AV(%) is
1.2%, UPF Rating are 57, far infrared transmissivity 89, half-life period 2s, bacteriostasis rate 97.4%.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of composite conducting monofilament, which is characterized in that including matrix, graphene, carbon nanotube and carbon black.
2. composite conducting monofilament according to claim 1, which is characterized in that described matrix and the graphene, the carbon
Nanotube, the carbon black mass ratio be 100:0.1-3:0.1-3:1-10.
3. composite conducting monofilament according to claim 1 or 2, which is characterized in that the diameter of the composite conducting monofilament is
0.1-0.3mm。
4. composite conducting monofilament according to claim 1, which is characterized in that described matrix is selected from nylon, terylene, poly- third
At least one of alkene, polypropylene fibre, polyethylene, polyimides, polyether ester fiber.
5. a kind of method for preparing composite conducting monofilament of any of claims 1-4 characterized by comprising
(1) matrix, graphene, carbon nanotube, carbon black are mixed, to obtain wire drawing masterbatch；
(2) the wire drawing masterbatch is obtained into silk through extruding, filter screen filtration and wire drawing process；
(3) silk is subjected to pre-crystallized processing；
(4) the resulting pre-crystallized rear silk of step (3) is subjected to hot-stretch processing, to obtain composite conducting monofilament.
6. according to the method described in claim 5, it is characterized in that, in step (1), by described matrix and the graphene,
The carbon nanotube, the carbon black, auxiliary agent mixing, to obtain wire drawing masterbatch；
Optional, in step (1), the auxiliary agent is selected from least one of dispersing agent, antioxidant and toughener；
Optional, in step (1), the mass ratio of the dispersing agent and the antioxidant, the toughener is 0-5:0-
0.5:0-0.5；
Optional, in step (1), the mass ratio of the auxiliary agent and described matrix is 0.1-10:100；
Optional, in step (1), sheet resistance≤1000 Ω of the wire drawing masterbatch, it is preferred that the table of the wire drawing masterbatch
Surface resistance≤100 Ω.
7. according to the method described in claim 5, it is characterized in that, the mesh number of the filter screen is 100- in step (2)
500 mesh, it is preferred that the mesh number of the filter screen is 350-500 mesh.
8. according to the method described in claim 5, it is characterized in that, in step (3), by hot bath or metal plate heat into
The row pre-crystallized processing；
Optional, in step (3), the temperature of the hot bath is 50-100 DEG C；
Optional, in step (3), the temperature of the metal plate is 100-300 DEG C.
9. according to the method described in claim 5, it is characterized in that, in step (4), the draw ratio of the hot-stretch processing is
1-8:1, it is preferred that the draw ratio of the hot-stretch processing is 1.5-7:1；
Optional, in step (4), the draw off rate of the hot-stretch processing is 50-300rpm.
10. a kind of intelligent wearable device, which is characterized in that at least part in the intelligent wearable device includes claim
The described in any item methods for preparing composite conducting monofilament of composite conducting monofilament or claim 5-9 described in any one of 1-4
The composite conducting monofilament being prepared.
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