CN112626848A - Portable low-voltage carbon nano electric heating fabric, preparation method and application - Google Patents
Portable low-voltage carbon nano electric heating fabric, preparation method and application Download PDFInfo
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- 238000005485 electric heating Methods 0.000 title claims abstract description 121
- 239000004744 fabric Substances 0.000 title claims abstract description 102
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 239000006185 dispersion Substances 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 15
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 15
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 15
- 238000004043 dyeing Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims description 32
- 239000000835 fiber Substances 0.000 claims description 27
- 239000002270 dispersing agent Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000012752 auxiliary agent Substances 0.000 claims description 11
- 239000002518 antifoaming agent Substances 0.000 claims description 10
- 239000002608 ionic liquid Substances 0.000 claims description 10
- 238000009941 weaving Methods 0.000 claims description 9
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 8
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 8
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 150000002191 fatty alcohols Chemical class 0.000 claims description 7
- -1 polysiloxane Polymers 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 239000004925 Acrylic resin Substances 0.000 claims description 6
- 229920000178 Acrylic resin Polymers 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
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- 239000004831 Hot glue Substances 0.000 claims description 2
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- 238000000576 coating method Methods 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000554 physical therapy Methods 0.000 abstract description 3
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- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 13
- 238000002156 mixing Methods 0.000 description 10
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- 238000005520 cutting process Methods 0.000 description 7
- 238000007731 hot pressing Methods 0.000 description 6
- 238000010008 shearing Methods 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 5
- 229920000297 Rayon Polymers 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
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- 229920003009 polyurethane dispersion Polymers 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000013530 defoamer Substances 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011852 carbon nanoparticle Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/55—Epoxy resins
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
- H05B3/342—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Surface Heating Bodies (AREA)
- Resistance Heating (AREA)
Abstract
The invention provides a portable low-voltage carbon nano electric heating fabric, a preparation method and application thereof, and the method comprises the following steps: arranging the electric heating cloth base in the conductive dispersion liquid for dip dyeing, and then rolling and drying; the conductive dispersion comprises the following components in parts by weight: the portable graphene/carbon nanotube low-voltage electric heating sheet prepared by the invention has the advantages of rapid temperature rise, uniform surface temperature distribution, far infrared radiation physiotherapy effect, voltage control within 5-36V of human body safety voltage, adjustable heating temperature between 30-82 ℃, light weight, portability, water washing and safety and environmental protection. Can be applied to the fields of electric heating clothes, electric heating waistbands, electric heating insoles, electric heating blankets and the like.
Description
Technical Field
The invention relates to the field of electric heating cloth, in particular to a portable low-voltage carbon nano electric heating fabric, a preparation method and application.
Background
The common fiber fabric has the function of electric heating, and can meet the requirements of daily heat preservation and outdoor activities of people. On the basis of electric heating, the absorption waveband of the functional fiber fabric capable of absorbing and emitting far infrared rays is mainly 3-15 micrometers, and the absorption waveband is superposed with the far infrared ray action waveband of graphene and the carbon nano tube, so that the carbon nano composite fabric is endowed with the functions of heat preservation and physical therapy. The carbon nano-particles mainly comprising the graphene and the carbon nano-tubes can absorb and radiate up to 40 percent of far infrared rays, and the composite electric heating fabric has the main functions of keeping warm, promoting blood circulation of different parts of a body, eliminating fatigue and the like.
At present, most of the common electric heating fabrics at present adopt a method of coiling an electric heating wire on the surface of the fabric or a flexible substrate, and most of the electric heating fabrics generate heat linearly. Common electric heating wires for fabrics are mostly carbon fibers, metal wires or non-metal electric heating wires, the condition of uneven temperature is easy to occur due to linear heating, and the fabrics are not resistant to bending. The cloth cover which takes the carbon nano tube and the graphene filament as the electric heating wire mostly adopts woven and blended common fiber, the process is more complex, and the required voltage and current are higher. Therefore, it is necessary to develop a carbon nano far-infrared electric heating cloth which is flexible, light, low-voltage, safe and uniform in heating.
Disclosure of Invention
The invention provides a portable low-voltage carbon nano electric heating fabric, a preparation method and application thereof, and the prepared fabric is light, bending-resistant, low in cost, uniform in heating, controllable in temperature and easy to carry, and can be used as an electric heating element of an electric heating insole, an electric heating waistband, an electric heating garment and an electric heating blanket.
The technical scheme for realizing the invention is as follows:
a preparation method of a portable low-voltage carbon nano electric heating fabric comprises the following steps:
arranging the electric heating cloth base in the conductive dispersion liquid for dip dyeing, and then rolling and drying; the conductive dispersion comprises the following components in parts by weight: 88-96 parts of graphene slurry and carbon nanotube slurry, 2-10 parts of water-based resin, 1 part of ionic liquid dispersant and auxiliary dispersant, 1 part of dyeing and finishing auxiliary agent, and 1000mPa & s of conductive liquid viscosity of 100-.
Specifically, the electric heating cloth base cloth is firstly cleaned by pure water to remove surface dirt, then is fully soaked and dyed in the conductive dispersion liquid and then is rolled, the bonding capability of the dispersion liquid and the base cloth is enhanced while the redundant conductive dispersion liquid on the surface is scraped, and then the electric heating cloth is obtained by drying at 50 ℃.
The mass ratio of the graphene slurry to the carbon nanotube slurry is (3: 7) - (7: 3).
The aqueous resin dispersion liquid is one or two of aqueous acrylic resin, epoxy resin or aqueous polyurethane, and the ionic liquid dispersant is BmimBr; the auxiliary dispersant is a condensate of fatty alcohol and ethylene oxide.
The dyeing and finishing auxiliary agent comprises a penetrating agent and a defoaming agent, wherein the penetrating agent is a polyoxyethylene ether compound, and the defoaming agent is a polysiloxane series.
The warp and the weft of the electric heating cloth base cloth are woven by 150D cotton fiber, polyester fiber or viscose fiber, and conductive metal wires are woven into the warp at certain intervals.
The electric heating cloth base cloth is formed by blending common fibers and metal wires, the warp threads are common fibers and tinned soft round copper wires, and the weft threads are common fibers and can be one or more of polyester fibers, cotton fibers or viscose fibers. The metal wire includes but is not limited to a tinned soft round copper wire, and the common fiber wire includes but is not limited to cotton fiber, polyester fiber and viscose fiber.
The weaving mode of the electric heating cloth base cloth is that 20-24 conductive metal wires are woven into warp every 5-30cm, and the weaving density is 20-24 conductive metal wires per centimeter.
Preferably, the weaving mode of the electric heating cloth base cloth is 20-24 weaving densities per centimeter, and the warp and weft yarn paper comprises 17 warps and 17 wefts. The weaving mode is that three copper wires are woven into the warp every 5cm, and 2cm is reserved on two sides of the base cloth for cutting. Three copper wires are woven into the warp every 10cm, and 3cm is reserved on two sides of the warp respectively to facilitate cutting. Four metal wires are woven into the warp every 30cm, and 5cm is reserved on two sides of the warp for cutting.
And covering the surface of the dried electric heating cloth with PVC coating insulating waterproof cloth or insulating waterproof membrane by a hot melt adhesive method, and connecting a power-on circuit inside the electric heating cloth with a temperature control switch and a USB/DC port by using a wire to form an independent washable heating sheet.
The low-voltage carbon nano electric heating fabric has the use voltage of 5-36V and the heating temperature of 30-82 ℃ which can be adjusted.
The low-voltage carbon nano electric heating fabric is applied to the fields of electric heating clothes, electric heating waistbands, electric heating insoles or electric heating blankets. The portable electric heating fabric comprises main parts such as electric heating cloth (base cloth and a conducting layer), a power-on circuit, an insulating waterproof layer, a temperature control switch, a charging device and the like.
The invention has the beneficial effects that: the portable graphene/carbon nanotube low-voltage electric heating sheet prepared by the invention has the advantages of rapid temperature rise, uniform surface temperature distribution, far infrared radiation physiotherapy effect, voltage control within 5-36V of human body safety voltage, heating temperature adjustable between 30-82 ℃, light weight, portability, water washing and safety and environmental protection. Can be applied to the fields of electric heating clothes, electric heating waistbands, electric heating insoles, electric heating blankets and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a heating cloth structure of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
In the preparation method of the portable low-voltage carbon nano electric heating fabric, the conductive dispersion liquid is composed of the following components in parts by weight, wherein the content of the aqueous carbon nano slurry is 88 parts, and the mass ratio of the graphene slurry to the carbon nano tube slurry is 3: 7. 5 parts of aqueous polyurethane dispersion liquid, 5 parts of aqueous acrylic resin, 0.5 part of ionic liquid dispersant BminBr, 0.5 part of auxiliary dispersant fatty alcohol and ethylene oxide condensation compound, 0.6 part of polyoxyethylene ether penetrant, and the dyeing and finishing auxiliary agent comprises penetrant and defoaming agent, wherein the penetrant is a polyoxyethylene ether compound, and the defoaming agent is 0.4 part of polysiloxane series defoaming agent. And fully mixing the conductive slurry and the auxiliary agent in a high-speed shearing dispersing machine to obtain the conductive dispersing liquid.
The warp and weft of the electric heating cloth base cloth are woven by 150D cotton fibers, conductive copper wires are woven into the warp at certain intervals, the distance between the metal wires is 5cm, the electric heating cloth base cloth is cut into 7 multiplied by 7cm, and the electric heating cloth is manufactured by dip-dyeing the base cloth in conductive dispersion liquid and then hot-pressing and drying at 50 ℃. The surface resistance of the electric heating cloth is 45-50 omega/□, the surface is hot pressed with an insulating waterproof film, the conducting circuit is connected with the temperature control switch and the USB port through the wiring terminal to form an independent electric heating sheet, and the USB port can be connected with a charger or a charging port to realize power supply.
The electric heating cloth can respectively reach the heating temperature of 32 ℃ and 50 ℃ under the voltage of 5V and 9V, and can be applied to the fields of electric heating shoes, electric heating eye patches, electric heating waistbands, electric heating clothes and the like.
Example 2
In the preparation method of the portable low-voltage carbon nano electric heating fabric, 96 parts of aqueous carbon nano slurry is contained in the conductive dispersion liquid, wherein the mass ratio of the graphene slurry to the carbon nano tube slurry is 5: 5. 1 part of aqueous polyurethane dispersion liquid, 1 part of epoxy resin dispersion liquid, 0.5 part of ionic liquid dispersant BmimBr0.5 part, 0.5 part of auxiliary dispersant fatty alcohol and ethylene oxide condensation compound, 0.6 part of polyoxyethylene ether penetrant and 0.4 part of polysiloxane series defoamer. And fully mixing the conductive slurry and the auxiliary agent in a high-speed shearing dispersing machine to obtain the conductive dispersing liquid.
The warp of the electric heating cloth base cloth is formed by blending 150D cotton fiber and metal wire fiber, and the weft is common 150D polyester fiber, and the distance between the metal wires is 5 cm. The electric heating cloth is made by cutting 7 x 7cm base cloth, dip-dyeing in conductive dispersion liquid, rolling for several times, and drying at 50 ℃. The surface resistance of the electric heating cloth is 18-25 omega/□. The copper wire circuit in the electric heating sheet is connected with the temperature control switch and the USB port through the wiring terminal, and the independent heating sheet is formed after the insulating waterproof cloth is covered by external hot pressing.
The electric heating sheet can respectively reach 38 ℃ and 72 ℃ under the voltage of 5V and 9V, and can be applied to the fields of electric heating shoes, electric heating eye patches, electric heating belts, electric heating clothes and the like.
Example 3
In the preparation method of the portable low-voltage carbon nano electric heating fabric of the embodiment, 92 parts of aqueous carbon nano slurry in the conductive dispersion liquid, and the mass ratio of the graphene slurry to the carbon nano tube slurry is 7: 3. 6 parts of aqueous polyurethane dispersion liquid, 0.5 part of ionic liquid dispersant BmimBr0.5 part of auxiliary dispersant fatty alcohol and ethylene oxide condensate, 0.6 part of polyoxyethylene ether penetrant and 0.4 part of polysiloxane series defoamer. And fully mixing the slurry and the auxiliary agent in a high-speed shearing dispersing machine to obtain the conductive dispersing liquid.
The electric heating cloth base cloth warp is formed by blending 150D polyester fiber and metal wire fiber, and the weft is 150D viscose fiber, and the distance between the metal wires is 5 cm. The electric heating cloth is made by cutting 7 x 7cm base cloth, dip-dyeing in conductive dispersion liquid, rolling for several times, and drying at 50 ℃. The surface resistance of the electric heating cloth is 10-15 omega/□. The internal circuit of the electric heating sheet is connected with the temperature control switch and the USB port through a copper wire through a wiring terminal, and the detachable independent heating sheet is formed after the insulating waterproof cloth is covered by external hot pressing.
The electric heating sheet can respectively reach the heating temperature of 44 ℃ and 82 ℃ under the voltage of 5V and 9V, and can be applied to the fields of electric heating shoes, electric heating eye patches, electric heating belts, electric heating clothes and the like.
Example 4
In the preparation method of the portable low-voltage carbon nano electric heating fabric of the embodiment, 92 parts of aqueous carbon nano slurry in the conductive dispersion liquid, and the mass ratio of the graphene slurry to the carbon nano tube slurry is 7:3, 5 parts of aqueous polyurethane dispersion liquid, 1 part of aqueous acrylic resin dispersion liquid, 0.5 part of ionic liquid dispersant BmimBr20, 0.5 part of co-dispersant fatty alcohol and ethylene oxide condensation compound, 0.6 part of polyoxyethylene ether penetrant and 0.4 part of polysiloxane defoaming agent. And fully mixing the slurry and the auxiliary agent in a high-speed shearing dispersing machine to obtain the conductive dispersing liquid.
The warp and weft of the electric heating cloth base cloth are woven by 150D polyester fiber, conductive copper wires are woven into the weft at a certain distance, and the distance between the metal wires is 10 cm. The electric heating cloth is made by cutting 18 x 12cm base cloth, dip-dyeing in conductive dispersion liquid, rolling for several times, and drying at 50 ℃. The surface resistance of the electric heating cloth is 8-12 omega/□. The copper wire circuit in the electric heating sheet is connected with the temperature control switch and the USB or DC port through the wiring terminal, and the independent detachable independent heating sheet is formed after the insulating waterproof cloth is covered by external hot pressing.
The electric heating sheet can respectively reach the heating temperatures of 30 ℃, 45 ℃ and 76 ℃ under the voltages of 5V, 9V and 12V, and can be applied to the fields of electric heating shoes, electric heating eye patches, electric heating belts, electric heating clothes and the like.
Example 5
In the preparation method of the portable low-voltage carbon nano electric heating fabric, the content of the aqueous carbon nano slurry in the conductive dispersion liquid is 92 parts, and the mass ratio of the graphene slurry to the carbon nano tube slurry is 7: 5 parts of aqueous polyurethane resin dispersion liquid, 1 part of aqueous acrylic resin dispersion liquid, 0.5 part of ionic liquid dispersant BmimBrs, 0.5 part of auxiliary dispersant fatty alcohol and ethylene oxide condensation compound, 0.6 part of polyoxyethylene ether penetrating agent and 0.4 part of polysiloxane series defoaming agent. And fully mixing the slurry and the auxiliary agent in a high-speed shearing dispersing machine to obtain the conductive dispersing liquid.
The warp and weft of the electric heating cloth base cloth are woven by 150D polyester fiber, conductive copper wires are woven into the weft at a certain distance, and the distance between the metal wires is 30 cm. The electric heating cloth is made by cutting 34 x 38cm base cloth, dip-dyeing in conductive dispersion liquid, rolling for several times, and drying at 50 deg.C. The surface resistance of the electric heating cloth is 8-12 omega/□. The copper wire circuit inside the electric heating sheet is connected with the temperature control switch and the DC port through the wiring terminal, and the independent detachable heating sheet is formed after the insulating waterproof cloth is covered by external hot pressing.
The electric heating sheet can respectively reach 45 ℃ and 60 ℃ under the voltage of 24V and 36V, and can be applied to the field of electric heating blankets.
Comparative example:
the electric heating performance of the low-voltage electric heating fabric in the embodiment is compared with that of the electric heating fabric woven by blending the conductive fibers and the common fibers.
The content of the aqueous carbon nano slurry in the conductive dispersion liquid is 92 parts, and the mass ratio of the graphene slurry to the carbon nano tube slurry is 7:3, 5 parts of aqueous polyurethane resin dispersion liquid, 1 part of aqueous acrylic resin dispersion liquid, 0.5 part of ionic liquid dispersant, 0.5 part of auxiliary dispersant, 0.6 part of penetrant and 0.4 part of defoaming agent. And fully mixing the slurry and the auxiliary agent in a high-speed shearing dispersing machine to obtain the conductive dispersing liquid. The conductive dispersion liquid is uniformly coated on the 150D terylene fiber to prepare the conductive fiber, and the resistance is 200-400 omega/cm. The carbon nano conductive fabric is prepared by taking conductive fibers as warps and common polyester fibers as wefts and weaving three copper wires at intervals of 10cm through the warps. The copper wire circuit inside the electric heating sheet is connected with the temperature control switch and the USB port through the wiring terminal, and the independent detachable heating sheet is formed after the insulating waterproof cloth is covered by external hot pressing. The heating temperature of the electric heating sheet can reach 27 ℃ and 40 ℃ respectively under the voltage of 9V and 12V. Can be applied to the fields of electric heating blankets and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A preparation method of a portable low-voltage carbon nano electric heating fabric is characterized by comprising the following steps: arranging the electric heating cloth base in the conductive dispersion liquid for dip dyeing, and then rolling and drying; the conductive dispersion comprises the following components in parts by weight: 88-96 parts of graphene slurry and carbon nanotube slurry, 2-10 parts of water-based resin, 1 part of ionic liquid dispersant and auxiliary dispersant, 1 part of dyeing and finishing auxiliary agent, and 1000mPa & s of conductive liquid viscosity of 100-.
2. The preparation method of the portable low-voltage carbon nano electric heating fabric according to claim 1, which is characterized in that: the mass ratio of the graphene slurry to the carbon nanotube slurry is (3: 7) - (7: 3).
3. The preparation method of the portable low-voltage carbon nano electric heating fabric according to claim 1, which is characterized in that: the aqueous resin dispersion liquid is one or two of aqueous acrylic resin, epoxy resin or aqueous polyurethane, and the ionic liquid dispersant is BmimBr; the auxiliary dispersant is a condensate of fatty alcohol and ethylene oxide.
4. The preparation method of the portable low-voltage carbon nano electric heating fabric according to claim 1, which is characterized in that: the dyeing and finishing auxiliary agent comprises a penetrating agent and a defoaming agent, wherein the penetrating agent is a polyoxyethylene ether compound, and the defoaming agent is a polysiloxane series.
5. The method for preparing a portable low-voltage carbon nano electric heating fabric according to any one of claims 1 to 4, wherein the method comprises the following steps: the warp and the weft of the electric heating cloth base cloth are woven by 150D fibers, and conductive metal wires are woven into the warp at certain intervals.
6. The preparation method of the portable low-voltage carbon nano electric heating fabric according to claim 5, characterized in that: the weaving mode of the electric heating cloth base cloth is that 20-24 pieces of weaving density are woven in each centimeter, and the weaving mode is that conductive metal wires are woven in every 5-30cm of warp.
7. The preparation method of the portable low-voltage carbon nano electric heating fabric according to claim 5, characterized in that: and covering the surface of the dried electric heating cloth with PVC coating insulating waterproof cloth or insulating waterproof membrane by a hot melt adhesive method, and connecting a power-on circuit inside the electric heating cloth with a temperature control switch and a USB/DC port by using a wire to form an independent washable heating sheet.
8. The low-voltage carbon nano electrothermal fabric prepared by the preparation method of claim 6 or 7, wherein: the low-voltage carbon nano electric heating fabric has the use voltage of 5-36V and the heating temperature of 30-82 ℃ for adjustment.
9. The use of the low-voltage carbon nanoelectric heating fabric of claim 8 in the field of electric heating garments, electric heating waistbands, electric heating insoles or electric heating blankets.
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