CN107805865A - A kind of electrical heating fabric based on carbon nano-tube fibre and preparation method thereof - Google Patents
A kind of electrical heating fabric based on carbon nano-tube fibre and preparation method thereof Download PDFInfo
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- CN107805865A CN107805865A CN201711041021.8A CN201711041021A CN107805865A CN 107805865 A CN107805865 A CN 107805865A CN 201711041021 A CN201711041021 A CN 201711041021A CN 107805865 A CN107805865 A CN 107805865A
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- fiber
- carbon nano
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- tube
- tube fibre
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Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0088—Fabrics having an electronic function
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/12—Threads containing metallic filaments or strips
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/16—Yarns or threads made from mineral substances
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/593—Stiff materials, e.g. cane or slat
-
- 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
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
Abstract
The present invention is specially a kind of electrical heating fabric based on carbon nano-tube fibre and preparation method thereof.Preparation method of the present invention includes：Pass through floating catalytic chemical vapor deposition for carbon nanotubes fiber；More carbon nano-tube fibres and beam are twisted to form primary structure fiber, so as to assign its resistance to elevated temperatures；Dimension continues twisting until producing helical structure, and helical structure is continuous through whole bundle fiber, multiple coil structural fibers is formed, so as to assign its height tensility, and excellent heat-insulating property；By the carbon nano-tube fibre of multiple coil structure and common textile fibers and a small amount of metallic fiber blending, electrical heating fabric is obtained.In the present invention, the structure makes this fiber be up to 150% elongation at break, has the ultrafast thermal response speed more than 1000 DEG C/s, relatively low application voltage, and the thermal-stable more than 5000 circulations.The heating fabric of preparation is light flexible, has excellent heating properties, is had a good application prospect in wearable Intellectual garment gorget domain.
Description
Technical field
The invention belongs to intelligent electronic device technical field, and in particular to a kind of electrical heating fabric and preparation method thereof.
Background technology
Traditional clothes continue to develop towards the direction of " intelligent dress ornament " in recent years, and various high-touch features are integrated into intelligence in succession
On energy dress ornament, for example, sensing function, lighting function, photovoltaic function, energy-storage function and heating function etc..Wherein, heating function
The cold-proof heat insulation, health-care hospital etc. that is integrated in show huge potentiality, promote the development of wearable heater element.
In terms of material, current three classes material and its compound are widely used in preparing heater element：Metal material, nano carbon-base material,
Conducting polymer composite.Wherein easily oxidation causes stability problem to metal material, and density is big, and rigidity is big, is not suitable for wearing
Wear application.The usual electrical conductivity of conducting polymer composite is very low, causes heater element operating voltage very high, causes safety problem.
Nano carbon-base material such as graphene and CNT, then show the excellent electricity such as light, flexible, high conductivity, high stability
Learn, mechanics and thermal property.In terms of device, current most of wearable heater elements are all heating films, lack gas permeability,
Washability and comfortableness, and be unsuitable for preparing on a large scale.
In addition, wearable application requirement heater element possesses the characteristics of flexible extensible, current stretchable performance is main
By designing corrugated by metal material or obtaining nanometer conductive material and dielectric resilience base material are compound, the former prepares
Complex and high cost, the latter is because the addition of insulating materials causes electrical conductivity to substantially reduce.Therefore, the heater of textile-like is prepared
Part, the defects of can overcoming thin-film device, acquisition is brought into close contact with skin, and the heating dress ornament that comfortable ventilating is washable.In order to
Heating fabric is prepared, then needs to develop the heating fiber with high conductivity, high mechanical properties and excellent heating properties.Solution
Determine this problem, can be just made using traditional knitting skill by heating fiber and heat fabric, the development to wearable field has
Significance.
The content of the invention
It is an object of the invention to provide a kind of mechanical property and heating properties are good, and be convenient for large-scale preparation based on carbon
Electrical heating fabric of nanotube fibers and preparation method thereof.
Electrical heating fabric provided by the invention, using carbon nano-tube fibre as heating fiber, formed it into by multistage twisting
Multiple coil structure, while a large amount of nanoscales and microscale void are formed, it is stretchable so as to assign its excellent resistance to elevated temperatures
Performance, thermal and insulating performance, and electrical heating performance.Based on this heats fiber, by business loom by its with it is common
Textile fabric and metallic fiber blending, wherein metallic fiber connect external power source as wire, so as to obtain soft tough electricity
Heat fabric.
The preparation method of electrical heating fabric of the present invention based on carbon nano-tube fibre, is comprised the following steps that：
（1）Pass through floating catalytic chemical vapour deposition technique continuous producing carbon nano-tube fiber；
（2）By more carbon nano-tube fibres and into a branch of, twisting makes its entanglements form one, formation primary structure fiber（Referring to
Fig. 1（c））, so as to assign its splendid resistance to elevated temperatures；
（3）Primary structure fiber is continued to twist, until producing helical structure, and helical structure is continuous through whole bundle fiber,
Form multiple coil structural fibers（Referring to Fig. 1（d）, so as to assign its height tensility, and excellent heat-insulating property；
（4）By such heating fiber and common textile fibers and a small amount of metallic fiber blending, obtain light soft heating and knit
Thing.
The step of the present invention（2）In, the radical of carbon nano-tube fibre is 2-100 roots, and the rotating speed of motor is 5-200 during twisting
r/min。
The step of the present invention（3）In, the rotating speed of motor is 5-200 r/min during twisting, and the pitch of the helical structure is
10-1500 microns.
Due to more carbon nano-tube fibre twisting together, diameter increase, increase its current-carrying capacity, therefore resistance to elevated temperatures
It is substantially improved（The high temperature more than 450 DEG C is resistant to, firing rate is ultrafast, reaches 1000 DEG C/more than s）.
Because carbon nano-tube fibre is multiple coil structure so that its tensility can be significantly increased, its elongation at break
Reach more than 150%.
The multiple coil carbon nano-tube fibre of preparation, be full of a large amount of nano size voids between its internal CNT, sky
Gap size is in 10-100 nanometers；A large amount of microscale voids are full of between internal carbon nano-tube fibre, space average-size is 6-
10 microns；A large amount of microscale voids are full of between internal CNT spiral, space average-size is 10-15 microns.These
Space causes fiber to have excellent thermal and insulating performance.
Step of the present invention（4）In, the common textile fibers are animal origin（It may be selected from silk, wool, the rabbit hair, camel hair
Deng）, string（It may be selected from cotton, flax etc.）, synthetic fibers（May be selected from terylene, polyamide fibre, acrylic fibers, polypropylene fibre, polyvinyl chloride fibre, polyvinyl,
Spandex, aramid fiber etc.）, regenerated fiber（It may be selected from viscose rayon, CUP, acetate fiber etc.）In one or more.
Step of the present invention（4）In, the metallic fiber is copper wire, stainless steel wire, one kind in silver plated nylon fibers or several
Kind.
Step of the present invention（4）In, carbon nano-tube fibre is with metallic fiber respectively as weft yarn and warp thread or warp thread and latitude
Yarn is woven, and to form circuit connection, draws metallic fiber to connect external drive power supply.
The advantage of the invention is that：By the formation of multiple coil structure impart CNT heat fiber it is very high can
Tensile property, reach 150% or so elongation at break, method is simple and easy, is easy to prepare with scale, while keep higher
Electrical conductivity（740 S/cm）, and excellent mechanical property, tensile strength reach 159MPa.Multiple coil fibrous inside is largely empty
The presence of gap causes thermal and insulating performance to be lifted, and maintains the mutually synthermal energy than non-helical structural fibers saving about 40%.
Fiber has excellent resistance to elevated temperatures（More than 450 DEG C）, ultrafast firing rate（More than 1000 DEG C/s）, relatively low heating electricity
Pressure, and thermal-stable（5000 heat cycles keep stable）.This fiber can be weaved using commercial loom,
It is easy to extensive and prepares production, has very high potential in Intellectual garment gorget domain.
Brief description of the drawings
Fig. 1 is the SEM photograph of carbon nano-tube fibre.Wherein,（a）High power；（b）Low power；（c）10 carbon nano-tube fibres add
Twist with the fingers SEM photograph；（d）10 carbon nano-tube fibre multiple coil structure SEM photographs.
Fig. 2 is multiple coil carbon nano-tube fibre heating properties.Wherein,（a）Temperature-time curve under different voltages；
（b）The temperature-time curve of lower 5000 heat cycles of 4V voltages；（c）Heating rate under different voltages.
Fig. 3 is the SEM photograph and temperature lowering curve of nanotube fibers.Wherein,（a）It is non-helical, single step helical, multiple coil carbon
The SEM photograph of nanotube fibers；（b）The temperature lowering curve of three kinds of structure carbon nano tube fibers.
Fig. 4 is multiple coil carbon nano-tube fibre tensile property.Wherein,（a）Load-deformation curve；（b）100 stretchings
Resistance variations under recovery cycles, R0For initial resistance, R is resistance after stretching.
Fig. 5 is wearable electrical heating fabric.Wherein,（a）Fabric photo；（b）Temperature-time curve under different voltages；
（C, d）The photo and infrared image of fabric parcel wrist under 9V voltages.
Fig. 6 is high temperature electrical heating fabric.Wherein,（a）Fabric photo；（b）Temperature-time curve under different voltages；（C,
d）Fabric wraps up the photo and infrared image for the beaker that is filled with water under 18V voltages.
Embodiment
（1）Using floating catalytic chemical vapor deposition for carbon nanotubes fiber, with hydrogen and argon gas in tube furnace
For carrier gas, ethanol is carbon source, and ferrocene and thiophene dissolving are used as catalyst, are continuously injected into vertical high-temperature tube furnace in ethanol
In, carbon nanotube aerogel is formed, and tank contraction is drawn through below stove, further shunk, dried by acetone
To CNT band.Further twisting obtains carbon nano-tube fibre to CNT band, and receipts are at the uniform velocity drawn finally by motor
Collection obtains carbon nano-tube fibre, and about 50 microns of its diameter, the wherein void size between CNT are 10-100 nanometers, such as schemes
1（a）With 1（b）.Wherein, the content of ferrocene is 1 wt%, and the content of thiophene is 0.5 wt%, and the charge velocity of ethanol is controlled 6
Per hour, hydrogen flowing quantity is per minute at 300 milliliters, and argon flow amount is per minute at 400 milliliters, and tubular type furnace temperature is taken the photograph 1200 for milliliter
Family name's degree.
（2）More carbon nano-tube fibre twisting, by 10 carbon nano-tube fibre bunchys arranged side by side（10 centimetres of length）, one end is solid
It is scheduled on moveable object, the other end is fixed on electric rotating machine.Motor with 150 rpm speed rotate to obtain 10 plus
The carbon nano-tube fibre of sth. made by twisting（7.5 centimetres of length）, such as Fig. 1（c）.
（3）More carbon nano-tube fibres are continued to twist, spring-like spiral shell is initially formed after more than certain revolution, on fiber
Rotation, and as continuous twisting, helical structure gradually run through whole fiber, ultimately form multiple coil carbon nano-tube fibre（It is long
2 centimetres of degree）, about 220 microns of diameter, such as Fig. 1（d）.Wherein, the void size average out to 8 formed between carbon nano-tube fibre is micro-
Meter, 12 microns of void size average out between fiber spiral.
Multiple coil carbon nano-tube fibre has excellent heating properties, Fig. 2（a）2 centimeter length fiber samples are shown to exist
Temperature response curve under different voltages, Fig. 2（b）Response curve of the fiber sample under 5000 heat cycles is shown, can
See the excellent heat endurance of carbon nano-tube fibre, Fig. 2（c）Thermal response speed of the fiber sample under different voltages is shown,
The firing rate more than 1000 DEG C/s is can reach under 8V voltages.
Multiple coil carbon nano-tube fibre has good thermal and insulating performance, Fig. 3（a）It show non-spiral shell as a comparison
Fiber and single step helical fiber are revolved, there is identical diameter with multiple coil fiber.Fig. 3（b）Three kinds of fibers are shown to heat
The response curve that voltage is cooled is simultaneously closed off after to 80 DEG C, it is seen that non-helical fiber cooling is most fast, and voidage highest
The cooling of multiple coil fiber is most slow, it can be seen that its preferable thermal and insulating performance.On the other hand, three kinds of fibers（2 lis of length
Rice）It is respectively 0.47 W, 0.35 W, 0.30 W to maintain 80 DEG C of power consumed, also shows the guarantor of multiple coil structural fibers
Warm nature can be advantageous to the high energy efficiency of device.
Multiple coil carbon nano-tube fibre has good tensility energy, and tensile strength reaches 159MPa, extension at break
Rate is more than 150%, such as Fig. 4（a）, and resistance keeps stable in the stretching recovery process more than 100 times, such as Fig. 4（b）, show
Excellent drawing stability.
The wearable electrical heating fabric of embodiment 1
With multiple coil carbon nano-tube fibre and cotton thread（Ratio 1:2）As weft yarn, copper wire and cotton thread are as warp thread, in loom
On weaved, copper wire is in contact with it to form circuit at carbon nano-tube fibre both ends, cuts lower 10 × 13 cm2Size fabric is made
For sample, such as Fig. 5（a）It is shown, 5（b）Its heating curves under different voltages is shown, 45 DEG C or so are can reach under 7V
Human comfort's temperature.Fig. 5（c）With 5（d）It show its displaying as wearable heating fabric or thermotherapy fabric.
The high temperature electrical heating fabric of embodiment 2
With multiple coil carbon nano-tube fibre and Kafra fiber（Ratio 1:2）As weft yarn, copper wire and Kafra fiber conduct
Warp thread, weaved on loom, copper wire is in contact with it to form circuit at carbon nano-tube fibre both ends, cuts lower 15 × 7
cm2Size fabric is as sample, such as Fig. 6（a）It is shown, 6（b）Its heating curves under different voltages is shown, under 18V
Reach 160 DEG C of high temperature.Fig. 6（c）With 6（d）It is shown under 18V by process that the water in 100mL beakers is boiled.
Claims (10)
1. a kind of preparation method of the electrical heating fabric based on carbon nano-tube fibre, it is characterised in that concretely comprise the following steps：
（1）Pass through floating catalytic chemical vapour deposition technique continuous producing carbon nano-tube fiber；
（2）By more carbon nano-tube fibres and into a branch of, twisting makes its entanglements form one, forms primary structure fiber, so that
Assign its splendid resistance to elevated temperatures；
（3）Primary structure fiber is continued to twist, until producing helical structure, and helical structure is continuous through whole bundle fiber,
Multiple coil structural fibers are formed, so as to assign its height tensility, and excellent heat-insulating property；
（4）By the carbon nano-tube fibre of above-mentioned multiple coil structure and common textile fibers and a small amount of metallic fiber blending, obtain
To the electrical heating fabric of light soft.
2. preparation method according to claim 1, it is characterised in that step（2）In, the radical of carbon nano-tube fibre is 2-
100, the rotating speed of motor is 5-200 r/min during twisting.
3. preparation method according to claim 1, it is characterised in that step（3）In, the rotating speed of motor is 5- during twisting
200 r/min；The pitch of the helical structure is 10-1500 microns.
4. according to the preparation method described in one of claim 1-3, it is characterised in that obtained multiple coil CNT is fine
Dimension, its elongation at break reach more than 150%.
5. according to the preparation method described in one of claim 1-3, it is characterised in that obtained multiple coil CNT is fine
Tie up, be full of nano size voids between its CNT, void size is 10-100 nanometers；Micron is full of between carbon nano-tube fibre
Level space, space average-size is 6-10 microns；Microscale void is full of between CNT spiral, space average-size is
10-15 microns.
6. preparation method according to claim 1, it is characterised in that step（4）In, described common textile fibers are
One or more in fibres, string, synthetic fibers, regenerated fiber.
7. preparation method according to claim 5, it is characterised in that the animal origin is selected from silk, wool, the rabbit hair,
Camel hair；The string is selected from cotton, flax；The synthetic fibers be selected from terylene, polyamide fibre, acrylic fibers, polypropylene fibre, polyvinyl chloride fibre, polyvinyl,
Spandex, aramid fiber, the regenerated fiber are selected from viscose rayon, CUP, acetate fiber.
8. preparation method according to claim 1, it is characterised in that step（4）In, the metallic fiber is copper wire, no
One or more in steel wire, the silver plated nylon fibers of becoming rusty.
9. preparation method according to claim 1, it is characterised in that：Step（4）In, carbon nano-tube fibre and metallic fiber
Woven respectively as weft yarn and warp thread, or warp thread and weft yarn, to form circuit connection, it is outer to connect to draw metallic fiber
Portion's driving power.
A kind of 10. electrical heating fabric obtained by one of the claim 1-3 preparation methods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041021.8A CN107805865A (en) | 2017-10-30 | 2017-10-30 | A kind of electrical heating fabric based on carbon nano-tube fibre and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041021.8A CN107805865A (en) | 2017-10-30 | 2017-10-30 | A kind of electrical heating fabric based on carbon nano-tube fibre and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373776A (en) * | 2019-06-28 | 2019-10-25 | 江苏大学 | There are a variety of stimuli responsive drivers of core-shell structure based on carbon nano-composite fiber |
| CN111083814A (en) * | 2018-10-19 | 2020-04-28 | 新材料与产业技术北京研究院 | Graphene-based flexible heating cable with PTC effect and preparation method thereof |
| CN111155217A (en) * | 2019-12-28 | 2020-05-15 | 烟台泰和新材料股份有限公司 | Method for improving orientation degree and conductivity of carbon nanotube fibers |
| CN111764026A (en) * | 2020-06-08 | 2020-10-13 | 深圳烯湾科技有限公司 | Carbon nanotube fiber hybrid fabric, preparation method thereof and reinforced composite material |
| CN112391712A (en) * | 2019-08-12 | 2021-02-23 | 中国科学院苏州纳米技术与纳米仿生研究所 | Carbon nanotube elastic core-spun yarn and preparation method and application thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083814A (en) * | 2018-10-19 | 2020-04-28 | 新材料与产业技术北京研究院 | Graphene-based flexible heating cable with PTC effect and preparation method thereof |
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| CN111155217A (en) * | 2019-12-28 | 2020-05-15 | 烟台泰和新材料股份有限公司 | Method for improving orientation degree and conductivity of carbon nanotube fibers |
| CN111764026A (en) * | 2020-06-08 | 2020-10-13 | 深圳烯湾科技有限公司 | Carbon nanotube fiber hybrid fabric, preparation method thereof and reinforced composite material |
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