CN110923886B - Yarn and heat-conducting cloth for heat conduction of carbon nano tube - Google Patents
Yarn and heat-conducting cloth for heat conduction of carbon nano tube Download PDFInfo
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- CN110923886B CN110923886B CN201911255008.1A CN201911255008A CN110923886B CN 110923886 B CN110923886 B CN 110923886B CN 201911255008 A CN201911255008 A CN 201911255008A CN 110923886 B CN110923886 B CN 110923886B
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated yarns or threads
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- 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
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/441—Yarns or threads with antistatic, conductive or radiation-shielding properties
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- 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
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- 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
- D03D15/20—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 material of the fibres or filaments constituting the yarns or threads
- D03D15/242—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 material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
- D03D15/25—Metal
- D03D15/258—Noble metal
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- 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
- D10B2101/122—Nanocarbons
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- 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
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
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- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
A carbon nanotube heat-conducting yarn comprises a yarn layer, a conductive adhesive layer, a carbon nanotube layer, an insulating layer and a thin film heating layer which are sequentially arranged from inside to outside; metal ions are arranged in the conductive adhesive layer, wherein the metal ions are sputtered on the adhesive layer through vacuum; at least two silicon nitride heating parts are arranged in the thin film heating layer, and the silicon nitride heating parts are distributed on the thin film heating layer in parallel and/or in a crossed manner. The carbon nano tube heat-conducting yarn has good flexibility, the carbon nano tube layer is provided with the conductive adhesive layer to obtain conductive performance, the insulating layer is used for insulating and separating the conductive area, the thin film heating layer is used for obtaining the heat conduction and heating performance of the thin film heating layer, and the heat-conducting cloth woven by the carbon nano heat-conducting yarn has good electric and heat conduction performance and can meet the cloth requirement of people on intelligent wearing equipment.
Description
Technical Field
The invention relates to the technical field of clothes and household textiles, in particular to carbon nanotube heat-conducting yarn and heat-conducting cloth.
Background
Along with social development, people have more and more functional requirements on clothes, the traditional gauze non-woven fabric can not meet the requirements of people on novel clothes, especially emerging intelligent wearing equipment, gauze woven by electric conduction yarns and having a heat conduction function meets the requirements of people, but the electric conduction yarns are generally made by electroplating, the flexibility of the electroplated yarns is poor, and the wearing requirements of people can not be met.
Disclosure of Invention
In order to overcome the above disadvantages of the prior art, an object of the present invention is to provide a carbon nanotube heat conductive yarn and a heat conductive cloth.
The technical scheme adopted by the invention for solving the technical problems is as follows: a carbon nanotube thermally conductive yarn, wherein: the heating device comprises a yarn layer, a conductive adhesive layer, a carbon nanotube layer, an insulating layer and a thin film heating layer which are arranged in sequence from inside to outside;
metal ions are arranged in the conductive adhesive layer, wherein the metal ions are sputtered on the adhesive layer through vacuum;
at least two silicon nitride heating parts are arranged in the thin film heating layer, and the silicon nitride heating parts are distributed on the thin film heating layer in parallel and/or in a crossed manner.
As a further improvement of the invention: the yarn comprises the following preparation steps:
1) feeding: putting a yarn roll on a rolling shaft;
2) pre-plating glue: the yarn penetrates through the lower part of a shaft on a glue plating device, glue is plated on the surface layer of the yarn, and glue is covered on the glue plating device;
3) and (3) drying: the yarns processed in the step 2) pass through a dryer to be solidified with glue, and a glue layer is formed on the surfaces of the yarns;
4) vacuum sputtering: the yarns processed in the step 3) enter a vacuum sputtering machine for vacuum sputtering, and metal ions are sputtered on the adhesive layer to form a conductive adhesive layer;
5) covering the carbon nanotubes: coating the ethanol-water dispersion liquid of the carbon nano tubes on the surface of the yarn obtained in the step 4), and curing to form a carbon nano tube layer;
6) completely coating the surface of the yarn subjected to the step 5) with an insulating layer;
7) covering a thin film heating layer: coating the outer surface of the insulating layer formed in the step 5) with a preset thin film heating layer to form the carbon nano tube heat-conducting yarn;
8) taking up: and rolling the carbon nano tube heat-conducting yarn.
As a further improvement of the invention: the yarn is carbon fiber yarn, cotton yarn, nylon yarn or yarn.
As a further improvement of the invention: the metal ions on the conductive adhesive layer are gold, silver, copper, nickel, germanium, titanium or lead.
As a further improvement of the invention: the glue coating device in the step 2) is provided with a glue coating groove, the lower end of the glue coating groove is provided with a rolling mechanism, yarns penetrate through the lower portion of a shaft of the rolling mechanism, rolling gears are arranged on two sides of the rolling mechanism and connected through a shaft, and glue covers the rolling mechanism.
As a further improvement of the invention: the vacuum sputtering machine in the step 4) is provided with a wire plate and a vacuum sputtering furnace, the wire plate is provided with a round hole, the round hole is consistent with the diameter of the yarn, the wire plate is arranged in front of and behind the vacuum sputtering furnace, and the yarn penetrates out of the round hole in the wire plate arranged at the rear through entering the vacuum sputtering furnace from the wire plate arranged in front.
As a further improvement of the invention: the round holes of the line board are at least two, and the round holes on the front line board and the rear line board are provided with round holes which correspond to the round holes in the same horizontal plane in tandem.
As a further improvement of the invention: and 5) forming a carbon nanotube layer to cover the conductive adhesive layer and at least partially contact with the metal ions in the conductive adhesive layer, wherein the carbon nanotube layer is fully wrapped or not wrapped on the outer surface of the conductive adhesive layer.
As a further improvement of the invention: and 5) forming the carbon nano tubes in the carbon nano tube layer into whisker-shaped multi-wall carbon nano tubes, wherein the length of each carbon nano tube is 2.5-5 mu m, and the diameter of each carbon nano tube is 40-100 nm.
As a further improvement of the invention: the concentration of the carbon nano tubes in the ethanol-water dispersion liquid in the step 5) is 8-12 mg/mL, and the coating amount of the ethanol-water dispersion liquid of the carbon nano tubes on the surface of the yarn is 0.4-0.8 mL/cm2。
As a further improvement of the invention: the silicon nitride heating parts of the film heating layer are arranged in parallel or spirally along the yarn direction, and the silicon nitride heating parts are positioned in the film and completely covered by the film or partially exposed on the outer surface of the film.
As a further improvement of the invention: the cross section of the silicon nitride heating part is circular or fan-shaped.
A carbon nanotube thermally conductive, thermally conductive cloth, wherein: made of carbon nanotube thermally conductive yarn.
As a further improvement of the invention: the heat conducting cloth comprises the following preparation steps:
(1) winding the carbon nano heat-conducting yarn on a loom;
(2) weaving the fabric into a fabric by a loom;
(3) and when the number of the woven layers of the cloth is more than 1, winding the cloth into the heat-conducting cloth for later use.
As a further improvement of the invention: the weaving machine adopts a double-sided weaving process, carbon nano heat-conducting yarns are woven by adopting a transverse and vertical cross weaving method, the interval between every two strands of carbon nano heat-conducting yarns is 0.1-2 cm, and heat-conducting cloth is woven.
Compared with the prior art, the invention has the beneficial effects that:
the carbon nano tube heat-conducting yarn has good flexibility, the carbon nano tube layer is provided with the conductive adhesive layer to obtain conductive performance, the insulating layer is used for insulating and separating the conductive area, the thin film heating layer is used for obtaining the heat conduction and heating performance of the thin film heating layer, and the heat-conducting cloth woven by the carbon nano heat-conducting yarn has good electric and heat conduction performance and can meet the cloth requirement of people on intelligent wearing equipment.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1.
Fig. 2 is a schematic structural diagram of embodiment 2.
Fig. 3 is a schematic structural diagram of embodiment 4.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and examples:
example 1:
referring to fig. 1, a carbon nanotube heat-conducting yarn includes a yarn layer 1, a conductive adhesive layer 2, a carbon nanotube layer 3, an insulating layer 4 and a thin film heating layer 5, which are sequentially disposed from inside to outside;
metal ions are arranged in the conductive adhesive layer, wherein the metal ions are sputtered on the adhesive layer through vacuum;
at least two silicon nitride heating parts 6 are arranged in the thin film heating layer 5, and the silicon nitride heating parts 6 are distributed on the thin film heating layer in parallel and/or in a crossed manner.
The embodiment conducts electricity through the metal ions of the conductive adhesive layer, the carbon nano tube layer at least partially contacts with the metal ions on the surface of the conductive adhesive layer to obtain the conductivity, and the atoms of the silicon nitride heating part on the film heating layer vibrate through the remote sensing joule heating effect to obtain heat, so that the film heating layer generates heat.
Example 2:
referring to fig. 2, on the basis of embodiment 1, a graphene heating film 7 is disposed in the conductive adhesive layer and the carbon nanotubes, and when the conductive adhesive layer 2 is energized, the carbon molecules in the heating film generate phonons, ions and electrons in the resistor, and the generated carbon molecular groups rub and collide with each other (also called brownian motion) to generate heat energy, which is uniformly radiated in a planar manner by far infrared rays with a wavelength of 5 to 14 μm, so that the total effective electrothermal energy conversion rate reaches over 99, and the superconductivity of a special graphene material is added to ensure stable heating performance.
Example 3:
on the basis of the embodiment 1, the method comprises the following preparation steps:
one of a yarn coil, a carbon fiber wire, a cotton wire and a nylon wire is placed on a roller, a rolling mechanism of a glue plating groove is arranged through a glue plating device, the glue plating structure is provided with a glue groove for placing glue, the position of the glue groove, which is 10 cm-20 cm away from the bottom, is provided with a rolling mechanism for threading, the rolling mechanism is provided with two gears, the gears are respectively fixed on two side walls of the glue groove and can rotate, the gears are connected through a shaft, the yarn penetrates through the lower end of the shaft, and the glue is slightly lower than a glue groove opening and is about 5 cm-10 cm; the rolling mechanism is arranged in the glue, so that the yarns can be ensured to be contacted with the glue for soaking and glue plating, an angle can be formed between the yarns and the glue groove at the moment, and the glue can be ensured to be attached to the yarns by lengthening the stroke of the yarns in the glue groove.
The yarns coated with glue are dried by a dryer, so that the glue can be firmly attached to the yarns, and the dryer is a traditional dryer, and the structure of the dryer does not belong to the protection scope of the invention.
The dried yarn enters a vacuum sputtering machine for vacuum sputtering, and metal ions are sputtered on the glue; vacuum sputtering machine is equipped with line board and vacuum sputtering stove, be equipped with the round hole on the line board, the round hole accords with the yarn diameter, the line board is established in vacuum sputtering stove the place ahead and rear, the yarn is worn out from the round hole on the line board of establishing the rear through getting into vacuum sputtering stove from establishing the line board in the place ahead, the round hole of line board is at least two, and the round hole on the line board of place ahead and rear all is equipped with the round hole that is in same horizontal plane behind corresponding the tandem. Yarns pass through the circular holes in the front line board, enter the vacuum sputtering furnace and then pass through the corresponding circular holes in the rear line board and the front line board; the yarn enters an ion sputtering zone in a vacuum sputtering furnace at a constant speed for sputtering, the passing speed of the yarn is 0.05-1 m/s, the higher the speed is, the lower the density of ion sputtering is, the vacuum sputtering furnace is a traditional sputtering furnace, and the structure does not belong to the protection range of the invention.
After sputtering, winding the yarn into a yarn coil through a spool; the equipment can sputter on the yarn more than once, and the optimal times is 1-2 times. Compared with common water plating, the conductive yarn sputtered by the method is firmer, has better flexibility, is not easy to fall off because metal ions enter a glue layer in a sputtering mode, has strong oxidation resistance, can not break the wire rod because the wire rod is directly sputtered by a front glue plating process, and is suitable for various yarns, and the metal ions can be silver, copper, gold, germanium, carbon or lead.
And then, coating ethanol-water dispersion of carbon nanotubes on the surface of the yarn sputtered to form the conductive adhesive layer, wherein the length of the carbon nanotubes is 2.5-5 microns, the diameter of the carbon nanotubes is 40-100 nm, the ethanol-water dispersion of the carbon nanotubes is 8 mg/mL, coating the surface of the yarn after ultrasonic treatment, drying and curing to form a carbon nanotube layer, and coating the surface of the carbon nanotube layer with an insulating layer to ensure that the insulating layer completely coats the carbon nanotube layer and the surface of the conductive adhesive layer. At this time, the carbon nanotube layer may completely wrap the conductive adhesive layer, or partially wrap the conductive adhesive layer, but at least partially contact the metal ions in the conductive adhesive layer.
And then, coating the outer surface of the insulating layer with a preset film heating layer to form the carbon nano tube heat-conducting yarn, wherein the silicon nitride heating parts of the film heating layer are arranged in parallel or spirally along the yarn direction, and the silicon nitride heating parts are positioned in the film and are completely covered by the film or partially exposed on the outer surface of the film.
And winding the carbon nano tube heat-conducting yarn into a carbon nano tube heat-conducting yarn roll.
Example 4:
the carbon nanotube heat-conducting yarns are obtained on the basis of the embodiment 3, the carbon nanotube heat-conducting yarns are wound on a loom, the loom adopts a double-sided weaving process, the carbon nanotube heat-conducting yarns are woven by a horizontal and vertical cross weaving method, the interval between every two strands of carbon nanotube heat-conducting yarns is 0.1-2 cm, and when the number of weaving layers of the cloth is more than 1, the cloth is wound into the heat-conducting cloth for later use.
Example 5:
referring to fig. 3, on the basis of embodiment 3, the silicon nitride heating portions of the thin film heating layer are in the shape of round bars, four groups of the silicon nitride heating bars are arranged and distributed in the thin film in parallel and at equal intervals, and the thin film is completely covered, and then the thin film heating layer is covered on the insulating layer of the nanotube heat conducting yarn.
In summary, after reading the present disclosure, those skilled in the art can make various other corresponding changes without creative mental labor according to the technical solutions and concepts of the present disclosure, and all of them are within the protection scope of the present disclosure.
Claims (4)
1. A carbon nano tube heat conduction yarn is characterized in that: the heating device comprises a yarn layer, a conductive adhesive layer, a carbon nanotube layer, an insulating layer and a thin film heating layer which are arranged in sequence from inside to outside;
metal ions are arranged in the conductive adhesive layer, wherein the metal ions are sputtered on the adhesive layer through vacuum;
at least two silicon nitride heating parts are arranged in the thin film heating layer, and the silicon nitride heating parts are distributed on the thin film heating layer in parallel and/or in a crossed manner;
the yarn comprises the following preparation steps:
1) feeding: putting a yarn roll on the rolling shaft;
2) pre-plating glue: the yarn penetrates through the lower part of a shaft on a glue plating device, glue is plated on the surface layer of the yarn, and glue is covered on the glue plating device;
3) drying: the yarns processed in the step 2) pass through a dryer to be solidified with glue, and a glue layer is formed on the surfaces of the yarns;
4) vacuum sputtering: the yarn obtained in the step 3) enters a vacuum sputtering machine for vacuum sputtering, and metal ions are sputtered on the adhesive layer to form a conductive adhesive layer;
5) covering the carbon nanotubes: coating ethanol-water dispersion liquid of the carbon nano tubes on the surface of the yarn subjected to the step 4), and curing to form a carbon nano tube layer;
6) completely coating the surface of the yarn subjected to the step 5) with an insulating layer;
7) covering a thin film heating layer: coating the outer surface of the insulating layer formed in the step 5) with a preset film heating layer to form the carbon nano tube heat-conducting yarn;
8) taking up: winding the carbon nano tube heat-conducting yarn;
the glue plating device in the step 2) is provided with a glue plating groove, the lower end of the glue plating groove is provided with a rolling mechanism, yarns penetrate through the lower part of a shaft of the rolling mechanism, rolling gears are arranged on two sides of the rolling mechanism and connected through a shaft, and glue covers the rolling mechanism;
the vacuum sputtering machine in the step 4) is provided with a wire plate and a vacuum sputtering furnace, the wire plate is provided with a round hole, the diameter of the round hole is consistent with that of the yarn, the wire plate is arranged in front of and behind the vacuum sputtering furnace, and the yarn enters the vacuum sputtering furnace from the wire plate arranged in front and passes out of the round hole in the wire plate arranged behind the vacuum sputtering furnace;
at least two circular holes of the line plates are arranged, and the circular holes on the front line plate and the rear line plate are provided with circular holes which are in the same horizontal plane in tandem;
the carbon nanotube layer formed in the step 5) covers the conductive adhesive layer and is at least partially contacted with the metal ions in the conductive adhesive layer, wherein the carbon nanotube layer is fully wrapped or not wrapped on the outer surface of the conductive adhesive layer;
the silicon nitride heating parts of the film heating layer are arranged in parallel or spirally along the yarn direction, and the silicon nitride heating parts are positioned in the film and completely covered by the film or partially exposed on the outer surface of the film.
2. The carbon nanotube thermally conductive yarn of claim 1, wherein: the cross section of the silicon nitride heating part is circular or fan-shaped.
3. A carbon nanotube heat conduction cloth is characterized in that: made from the carbon nanotube thermally conductive yarn of any one of claims 1-2.
4. The carbon nanotube heat conductive cloth according to claim 3, wherein: the preparation method comprises the following preparation steps:
(1) winding the carbon nano heat-conducting yarn on a loom;
(2) weaving the fabric into a fabric by a loom;
(3) and when the number of the woven layers of the cloth is more than 1, winding the cloth into the heat-conducting cloth for later use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911255008.1A CN110923886B (en) | 2019-12-10 | 2019-12-10 | Yarn and heat-conducting cloth for heat conduction of carbon nano tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911255008.1A CN110923886B (en) | 2019-12-10 | 2019-12-10 | Yarn and heat-conducting cloth for heat conduction of carbon nano tube |
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| Publication Number | Publication Date |
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| CN110923886A CN110923886A (en) | 2020-03-27 |
| CN110923886B true CN110923886B (en) | 2022-07-22 |
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| CN201911255008.1A Active CN110923886B (en) | 2019-12-10 | 2019-12-10 | Yarn and heat-conducting cloth for heat conduction of carbon nano tube |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006020401U1 (en) * | 2005-04-11 | 2008-07-24 | W. Zimmermann Gmbh & Co. Kg | Electrically conductive yarn |
| CN104902598A (en) * | 2015-06-17 | 2015-09-09 | 邵辉 | Electrothermal yarn instantly heated by powering on |
| CN107059197A (en) * | 2017-05-11 | 2017-08-18 | 广州市爱因电子有限公司 | A kind of preparation method of conductive yarn |
| CN206887608U (en) * | 2017-05-11 | 2018-01-16 | 广州市暖能新能源科技有限公司 | A kind of dress ornament made using conductive yarn |
| CN107028247B (en) * | 2017-05-11 | 2018-10-23 | 广州市爱因电子有限公司 | A kind of anti-x-ray clothes made of lead conductive yarn |
| CN109402816A (en) * | 2018-12-11 | 2019-03-01 | 苏州璟珮新材料科技有限公司 | A kind of nonmetallic electric heating function yarn |
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2019
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