CN114245498A - Graphene far infrared electric heating flexible cloth and production process thereof - Google Patents
Graphene far infrared electric heating flexible cloth and production process thereof Download PDFInfo
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- CN114245498A CN114245498A CN202111634516.8A CN202111634516A CN114245498A CN 114245498 A CN114245498 A CN 114245498A CN 202111634516 A CN202111634516 A CN 202111634516A CN 114245498 A CN114245498 A CN 114245498A
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- far infrared
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- 239000004744 fabric Substances 0.000 title claims abstract description 115
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 85
- 238000005485 electric heating Methods 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 239000003365 glass fiber Substances 0.000 claims abstract description 29
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000009941 weaving Methods 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims abstract description 4
- 230000001070 adhesive effect Effects 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 230000002596 correlated effect Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000009964 serging Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000003618 dip coating Methods 0.000 claims description 2
- 238000005304 joining Methods 0.000 claims 1
- 238000000554 physical therapy Methods 0.000 abstract description 13
- 229910052799 carbon Inorganic materials 0.000 description 10
- 229920000049 Carbon (fiber) Polymers 0.000 description 5
- 239000004917 carbon fiber Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010017 direct printing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- -1 graphite alkene Chemical class 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Resistance Heating (AREA)
- Surface Heating Bodies (AREA)
Abstract
The invention relates to a graphene far infrared electric heating flexible cloth and a production process thereof, wherein the flexible cloth comprises an upper layer of waterproof cloth and a lower layer of waterproof cloth, a graphene heating layer is arranged between the upper layer of waterproof cloth and the lower layer of waterproof cloth, two ends of the graphene heating layer are woven with a diversion line area, and a copper wire or a silver wire is adopted as a weaving material in the diversion line area; the conductive silver paste layer is coated on the diversion line area; the graphene heating layer adopts glass fiber cloth as a carrier, and a graphene conducting film is attached to the surface of the glass fiber cloth; the graphene heating layer is bonded with the upper waterproof cloth and the lower waterproof cloth through adhesives; the invention is especially suitable for being used as an infrared heating source of physical therapy wearing equipment, far infrared physical therapy equipment, an electric heating carpet, an electric heating plate and the like, the heating layer adopts an independent unit, and electronic glass fiber cloth is used as a carrier, thereby avoiding the thermal deformation of the carrier, enabling the conductive slurry to be thoroughly dried, being convenient and random to cut and package, and being suitable for various application scenes.
Description
Technical Field
The invention belongs to the technical field of electric heating materials, and particularly relates to graphene far infrared electric heating flexible cloth and a production process thereof.
Background
With the development of science and technology, far infrared physiotherapy products are widely applied in China and even internationally. The far infrared physiotherapy product is mainly used for physiotherapy eyepatches, physiotherapy neck protectors, physiotherapy kneecaps, physiotherapy waistbands, physiotherapy insoles, physiotherapy beds, sweat steam rooms and the like.
Early physiotherapy products all adopted carbon fiber heating wire as the infrared ray core that generates heat, released far infrared through electrical heating. The carbon fiber heating wire has the advantages that the carbon fiber heating wire can be irregularly coiled and can be used as various special-shaped heating appliances, and the defect that the carbon fiber heating wire is high in thermal attenuation, too high in local temperature during heating and thick in certain thickness is caused, so that the carbon fiber heating wire is not suitable for wearing products. Based on this, flexible cloth products are developed, and the current technology is to directly print a layer of conductive carbon paste on the cloth, which has the disadvantages that the cloth has a certain ductility and tensile deformation, and the conductive carbon paste printed on the cloth is easy to tear or break, resulting in non-heating or over-high local heating temperature.
Patent CN202197420U discloses an electric heating wire formed by winding an electric heating wire spirally on a glass fiber wire, wherein the electric heating wire is laid between two telescopic insulating layers in a wavy manner to serve as an electric heating layer, and two ends of the electric heating wire are connected with a power supply wire outside a diaphragm through copper sleeves, so that the electric heating wire can be used for various electric heating film daily necessities. Patent CN2798480Y discloses a washable flexible electric heating film, the electric heating film base material is a layer of cloth, the front surface of the base material cloth is printed with heating materials, and the flexible heating cloth is prepared through a packaging process. In the two representative patents, the conductive carbon paste printed on the cloth is easily torn or broken, and the problem of over-high local heating temperature still cannot be solved.
Patent CN207039924U discloses a high temperature resistant graphite alkene far infrared electric heat membrane, prints the electrically conductive carbon thick liquid on the PET membrane, has increased glass fiber net check cloth and has used as the reinforcing, still can not play the purpose of protection electrically conductive carbon thick liquid layer.
In view of this, it is necessary to provide a graphene far infrared electric heating flexible cloth with more stable performance.
Disclosure of Invention
The invention aims to provide graphene far infrared electric heating flexible cloth with more stable performance and a production process thereof, aiming at the problems existing in the direct printing of conductive carbon paste of the conventional flexible electric heating cloth.
In order to solve the technical problem, the invention discloses graphene far infrared electric heating flexible cloth which comprises upper-layer waterproof cloth and lower-layer waterproof cloth, wherein a graphene heating layer is arranged between the upper-layer waterproof cloth and the lower-layer waterproof cloth, two ends of the graphene heating layer are woven with guide line areas, and copper wires or silver wires are adopted as weaving materials in the guide line areas; the conductive silver paste layer is coated on the diversion line area;
the graphene heating layer adopts glass fiber cloth as a carrier, and a graphene conducting film is attached to the surface of the glass fiber cloth; the graphene heating layer is bonded with the upper waterproof cloth and the lower waterproof cloth through an adhesive.
Preferably, one end of the diversion line area is provided with a lead, and the lead is connected with the conductive silver paste layer through a connecting device.
Preferably, the connecting device and the exposed part of the lead are sealed by insulating materials.
Preferably, the glass fiber cloth is electronic glass fiber cloth.
Preferably, the upper waterproof cloth and the lower waterproof cloth are compounded by 1 or 2 of oxford cloth, polyamide cloth, nylon cloth or rubber cloth.
Preferably, the engagement means is a copper clip or a copper ring.
Preferably, the thickness of the graphene conductive film is 5-30 μm; the thickness of the graphene far infrared electric heating flexible cloth is 100-300 mu m.
Preferably, the width of the diversion line area is not less than 5 mm.
A production process of graphene far infrared electric heating flexible cloth comprises the following steps:
s1, adopting electronic glass fiber cloth as a carrier, uniformly dip-coating a layer of graphene conductive slurry on the glass fiber cloth, and drying through a drying tunnel at 120-150 ℃ to enable the graphene conductive slurry to form a graphene conductive film in a dry film state, so as to prepare a graphene heating layer;
s2, cutting the graphene heating layer prepared in the step S1 according to the required size, and weaving a diversion line area by using silver wires or copper wires as wire materials on two long sides of the cut graphene heating layer by using a serging machine;
s3, coating a layer of conductive silver paste on the diversion line area obtained in the step S2 and drying to form a conductive silver paste layer; arranging a connecting device at one end of the conductive silver paste layer in the length direction, and connecting a lead on the connecting device;
and S4, paving the graphene heating layer with the lead obtained in the step S3 on waterproof cloth with glue, flattening, covering another layer of waterproof soft cloth with the glue, and carrying out hot pressing or static pressing for packaging.
Preferably, the width of the diversion line area is positively correlated with the power of the graphene heating layer, and the power of the graphene heating layer is 25w/m2When the graphene heating layer is arranged below the heating layer, the width of the diversion line area is only 5mm, and the power of the graphene heating layer is 25w/m2In the above, the width of the diversion line area is increased by 1mm every time the power is increased by 25 w.
The invention is especially suitable for being used as an infrared heating source of physical therapy wearing equipment, far infrared physical therapy equipment, an electric heating carpet, an electric heating plate and the like, the heating layer adopts an independent unit, and electronic glass fiber cloth is used as a carrier, thereby avoiding the thermal deformation of the carrier, enabling the conductive slurry to be thoroughly dried, being convenient and random to cut and package, and being suitable for various application scenes.
Drawings
Fig. 1 is an exploded view of a graphene far infrared electric heating flexible cloth.
Fig. 2 is a schematic cross-sectional view of a graphene far infrared electric heating flexible cloth.
The reference numbers in the figures are: 1-upper-layer waterproof cloth, 2-lower-layer waterproof cloth, 3-graphene heating layer, 4-diversion line area, 5-conductive silver paste layer, 6-glass fiber cloth, 7-graphene conductive film, 8-lead and 9-connecting device.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," when used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1
As shown in fig. 1-2, a graphene far infrared electric heating flexible cloth comprises an upper layer waterproof cloth 1 and a lower layer waterproof cloth 2, a graphene heating layer 3 is arranged between the upper layer waterproof cloth and the lower layer waterproof cloth, guide line areas 4 are woven at two ends of the graphene heating layer, and copper wires or silver wires with the diameter of 0.05-0.1 mm are adopted as weaving materials in the guide line areas; the conductive silver paste layer 5 is coated on the diversion line area;
the graphene heating layer adopts glass fiber cloth 6 as a carrier, and a graphene conductive film 7 is attached to the surface of the glass fiber cloth; the graphene heating layer is bonded with the upper waterproof cloth and the lower waterproof cloth through an adhesive.
And one end of the diversion line area is provided with a lead 8 which is connected with the conductive silver paste layer through a connecting device 9. In this embodiment, the wire is an aircraft wire.
The connecting device and the exposed part of the lead are sealed by adopting an insulating material.
The glass fiber cloth is electronic glass fiber cloth. The electronic glass fiber cloth is characterized by high temperature resistance of 500 ℃, a grid structure, belongs to an insulator and is very stable in electric heating. The conductive carbon paste material is dip-coated on the electronic glass fiber cloth, and when the electronic glass fiber cloth is dried by a drying tunnel, the performance can be kept stable, and the problem of long-term thermal deformation of the waterproof cloth material is avoided. Meanwhile, the electronic glass fiber cloth is of a porous structure, so that the solvent in the conductive carbon paste can be furthest volatilized during the drying process of the glass fiber cloth coated with the conductive carbon paste, and the stable quality of the later-stage product is ensured.
The upper waterproof cloth and the lower waterproof cloth are compounded by 1 or 2 of oxford cloth, polyamide cloth, nylon cloth or rubber cloth.
The connecting device is a copper clip or a copper ring.
The thickness of the graphene conductive film is 5-30 μm; the thickness of the graphene far infrared electric heating flexible cloth is 100-300 mu m. The power density of the heating layer is directly related to the resistance of the conductive paste and the coating thickness, and can be adjusted according to the actual power requirement, and the thickness of the graphene conductive film is preferably controlled to be 5-30 μm.
The width of the diversion line area is not less than 5 mm.
Example 2
A production process of graphene far infrared electric heating flexible cloth comprises the following steps:
s1, electronic glass is adoptedFiber cloth is used as a carrier (preferably 50-150 g/m)2The electronic glass fiber cloth) is uniformly coated with a layer of graphene conductive paste (except the graphene conductive paste, the conductive paste containing graphite or carbon particles can also be adopted), and then the graphene conductive paste is dried by a drying tunnel at 120-150 ℃ to form a graphene conductive film in a dry film state, so that the graphene heating layer is prepared;
s2, cutting the graphene heating layer prepared in the step S1 according to the required size, and weaving a diversion line area by using silver wires or copper wires as wire materials on two long sides of the cut graphene heating layer by using a serging machine;
s3, coating a layer of conductive silver paste on the diversion line area obtained in the step S2 and drying to form a conductive silver paste layer; arranging a connecting device at one end of the conductive silver paste layer in the length direction, and connecting a lead on the connecting device; in the embodiment, the exposed parts of the connecting device and the lead are sealed and compacted by the silicon rubber sheet, so that a better waterproof effect is achieved;
and S4, paving the graphene heating layer with the lead obtained in the step S3 on waterproof cloth with glue, flattening, covering another layer of waterproof soft cloth with the glue, and carrying out hot pressing or static pressing for packaging.
The width of the diversion line area is positively correlated with the power of the graphene heating layer, and the power of the graphene heating layer is 25w/m2When the graphene heating layer is arranged below the heating layer, the width of the diversion line area is only 5mm, and the power of the graphene heating layer is 25w/m2In the above, the width of the diversion line area is increased by 1mm every time the power is increased by 25 w.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (10)
1. The graphene far infrared electric heating flexible cloth is characterized by comprising an upper layer of waterproof cloth and a lower layer of waterproof cloth, wherein a graphene heating layer is arranged between the upper layer of waterproof cloth and the lower layer of waterproof cloth, two ends of the graphene heating layer are woven with guide line areas, and copper wires or silver wires are adopted as weaving materials in the guide line areas; the conductive silver paste layer is coated on the diversion line area;
the graphene heating layer adopts glass fiber cloth as a carrier, and a graphene conducting film is attached to the surface of the glass fiber cloth; the graphene heating layer is bonded with the upper waterproof cloth and the lower waterproof cloth through an adhesive.
2. The graphene far infrared electric heating flexible cloth according to claim 1, wherein a lead is arranged at one end of the flow guide line region, and the lead is connected with the conductive silver paste layer through a connecting device.
3. The graphene far infrared electric heating flexible cloth according to claim 2, wherein the connection device and the exposed part of the lead are sealed by an insulating material.
4. The graphene far infrared electric heating flexible cloth according to claim 1, wherein the glass fiber cloth is an electronic glass fiber cloth.
5. The graphene far-infrared electric heating flexible cloth according to claim 1, wherein the upper waterproof cloth and the lower waterproof cloth are compounded by 1 or 2 of oxford cloth, polyamide cloth, nylon cloth or rubber cloth.
6. The graphene far infrared electric heating flexible cloth according to claim 2, wherein the joining device is a copper clip or a copper ring.
7. The graphene far-infrared electric heating flexible cloth according to claim 1, wherein the thickness of the graphene conductive film is 5-30 μm; the thickness of the graphene far infrared electric heating flexible cloth is 100-300 mu m.
8. The graphene far infrared electric heating flexible cloth according to claim 1, wherein the width of the flow guide line area is not less than 5 mm.
9. A production process of graphene far infrared electric heating flexible cloth is characterized by comprising the following steps:
s1, adopting electronic glass fiber cloth as a carrier, uniformly dip-coating a layer of graphene conductive slurry on the glass fiber cloth, and drying through a drying tunnel at 120-150 ℃ to enable the graphene conductive slurry to form a graphene conductive film in a dry film state, so as to prepare a graphene heating layer;
s2, cutting the graphene heating layer prepared in the step S1 according to the required size, and weaving a diversion line area by using silver wires or copper wires as wire materials on two long sides of the cut graphene heating layer by using a serging machine;
s3, coating a layer of conductive silver paste on the diversion line area obtained in the step S2 and drying to form a conductive silver paste layer; arranging a connecting device at one end of the conductive silver paste layer in the length direction, and connecting a lead on the connecting device;
and S4, paving the graphene heating layer with the lead obtained in the step S3 on waterproof cloth with glue, flattening, covering another layer of waterproof soft cloth with the glue, and carrying out hot pressing or static pressing for packaging.
10. The production process of the graphene far infrared electric heating flexible cloth according to claim 9, wherein the width of the flow guide line area is positively correlated with the power of the graphene heating layer, and the power of the graphene heating layer is 25w/m2When the graphene heating layer is arranged below the heating layer, the width of the diversion line area is only 5mm, and the power of the graphene heating layer is 25w/m2In the above, the width of the diversion line area is increased by 1mm every time the power is increased by 25 w.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111634516.8A CN114245498A (en) | 2021-12-29 | 2021-12-29 | Graphene far infrared electric heating flexible cloth and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111634516.8A CN114245498A (en) | 2021-12-29 | 2021-12-29 | Graphene far infrared electric heating flexible cloth and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114245498A true CN114245498A (en) | 2022-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111634516.8A Pending CN114245498A (en) | 2021-12-29 | 2021-12-29 | Graphene far infrared electric heating flexible cloth and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114245498A (en) |
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2021
- 2021-12-29 CN CN202111634516.8A patent/CN114245498A/en active Pending
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