CN114200728A - Preparation method of dynamic infrared thermal radiation fiber function regulating device - Google Patents
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- CN114200728A CN114200728A CN202210071310.7A CN202210071310A CN114200728A CN 114200728 A CN114200728 A CN 114200728A CN 202210071310 A CN202210071310 A CN 202210071310A CN 114200728 A CN114200728 A CN 114200728A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/1514—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
- G02F1/1516—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising organic material
- G02F1/15165—Polymers
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
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Abstract
A method for preparing a fiber functional device for dynamic infrared thermal radiation regulation relates to a method for preparing a functional device. The invention aims to solve the problem that the existing plane infrared heat radiation device cannot be well combined with textiles to realize the intelligent wearing capability. The method comprises the following steps: firstly, preparing a heterogeneous polymer dispersion solution; secondly, preparing a porous electrolyte diaphragm layer; thirdly, preparing a working electrode; fourthly, preparing an electrochromic film layer; and fifthly, introducing electrolyte liquid into the carbon fiber to obtain the dynamic infrared thermal radiation fiber regulating and controlling functional device. The dynamic infrared thermal radiation fiber regulating and controlling functional device prepared by the invention has good infrared emissivity control capability and visible light management capability, the infrared emissivity delta epsilon is 0.4 in a wave band of 8-14 mu m, reversible color conversion can be realized in the visible light wave band, and the reaction time is rapid. The invention can obtain a dynamic infrared thermal radiation fiber regulating and controlling functional device.
Description
Technical Field
The invention relates to a preparation method of a functional device.
Background
Due to the wide application of infrared thermal radiation regulation and control technology in personal thermal management, various electronic instruments, adaptive thermal camouflage, thermal regulation of intelligent spacecrafts and the like, devices with effective infrared regulation and control capability become more and more important. Electrochromic devices of planar structure are currently being extensively studied and deeply developed. However, the planar electrochromic device cannot be perfectly combined with textiles, and cannot meet the requirement of wearing comfort. In recent years, with the development of intelligent wearable electronic products and the rise of intelligent clothing concepts, multicolor fibers are widely applied in daily life, including air permeability, moisture permeability, mechanical stretchability based on fiber structures, and rich color camouflage safety warning and anti-counterfeiting performance. From this angle, it is urgent to develop an intelligent fiber having a high infrared thermal radiation regulation capability by combining an infrared thermal radiation regulation and control technology with the intelligent fiber.
Disclosure of Invention
The invention provides a preparation method of a dynamic infrared thermal radiation regulation fiber functional device, which aims to solve the problem that the existing plane infrared thermal radiation device cannot be well combined with textiles to realize the intelligent wearing capacity.
A preparation method of a dynamic infrared thermal radiation fiber function regulating device is completed according to the following steps:
firstly, preparing a multiphase polymer dispersion solution:
firstly, adding a polymer into a solvent, heating the mixture under stirring until the polymer is completely dissolved, then adding polymethyl methacrylate, and heating the mixture under magnetic stirring until the polymethyl methacrylate is completely dissolved to obtain a uniform multiphase polymer dispersion solution;
secondly, preparing a porous electrolyte diaphragm layer:
soaking carbon fibers into a uniform multiphase polymer dispersion solution to obtain a carbon fiber/multiphase polymer dispersion solution;
secondly, adding the carbon fiber/multiphase polymer dispersion solution into a solvent, standing, taking out the carbon fiber, and drying to obtain a porous electrolyte diaphragm layer;
thirdly, preparing a working electrode:
attaching a metal layer on the porous electrolyte diaphragm layer by adopting a vacuum thermal evaporation method to obtain a carbon fiber-porous electrolyte diaphragm layer-metal layer;
fourthly, preparing an electrochromic film layer:
washing the carbon fiber-porous electrolyte membrane layer-metal layer by using absolute ethyl alcohol, and then putting the carbon fiber-porous electrolyte membrane layer-metal layer into an oven for heat treatment to obtain the carbon fiber-porous electrolyte membrane layer-metal layer after heat treatment;
secondly, preparing an electrochromic film layer on the carbon fiber-porous electrolyte diaphragm layer-metal layer after the heat treatment by an electroplating method or an in-situ chemical synthesis method to obtain the carbon fiber-porous electrolyte diaphragm layer-metal layer-electrochromic film layer;
the electroplating method in the fourth step is specifically completed according to the following steps:
the method comprises the steps of taking acid-doped polyaniline as an electrolyte, a platinum sheet as a counter electrode, Ag/AgCl as a reference electrode, and a carbon fiber-porous electrolyte diaphragm layer-metal layer as a working electrode, and plating the polyaniline on the metal layer on the carbon fiber-porous electrolyte diaphragm layer-metal layer by adopting a transverse current method or a constant potential method through an electrochemical workstation under a three-electrode system to obtain the carbon fiber-porous electrolyte diaphragm layer-metal layer-polyaniline layer;
and fifthly, washing the carbon fiber-porous electrolyte diaphragm layer-metal layer-polyaniline layer by using distilled water, then placing the carbon fiber-porous electrolyte diaphragm layer-metal layer-polyaniline layer in a vacuum compressor for compression, and introducing electrolyte liquid into the carbon fiber under the action of pressure to obtain the dynamic infrared thermal radiation regulation fiber functional device.
The principle of the invention is as follows:
the coating of the electrolyte layer is carried out on the fiber substrate, then the metal layer with high reflection capacity is plated on the electrolyte layer, and the electrochromic layer is plated on the metal layer. Therefore, the electrochromic device with the planar sandwich structure is converted into the electrochromic device with the fiber-shaped nested structure. By applying different voltages, the adjustment of the spectral characteristics of the electrochromic layer in a visible-infrared band can be realized, and further the adjustment of the color and the infrared emissivity of the fiber device can be realized.
The invention has the advantages that:
the dynamic infrared thermal radiation regulation fiber functional device prepared by the invention has good infrared emissivity control capability and visible light management capability, the infrared emissivity delta epsilon is 0.4 at a wave band of 8-14 mu m, reversible color conversion can be realized at the visible light wave band, and the reaction time is rapid; in general, the invention can adjust the reflectivity and absorptivity of visible light and near infrared bands through parameters, so as to achieve the purposes of high emissivity change and low solar absorption ratio, thereby achieving the purpose of high-efficiency dynamic thermal regulation;
the preparation method is simple to operate, low in price and capable of being used for large-scale preparation;
and thirdly, the dynamic infrared thermal radiation regulation fiber functional device prepared by the invention can be perfectly fused with textiles through different weaving technologies so as to realize intelligent wearing.
The invention can obtain a dynamic infrared thermal radiation fiber regulating and controlling functional device.
Drawings
FIG. 1 is an SEM image of a dynamic infrared thermal radiation control fiber functional device prepared in step five of example 1;
FIG. 2 is a digital photograph of the oxidized state and the reduced state of the dynamic infrared thermal radiation control fiber functional device prepared in the fifth step of example 1, wherein the upper part is the oxidized state and the lower part is the reduced state;
FIG. 3 is a graph showing the variation of the IR emissivity of the functional device of dynamic IR radiation control fiber prepared in step five of example 1;
fig. 4 is a fatigue resistance test chart of the dynamic infrared thermal radiation control fiber functional device prepared in step five of example 1, where cycle number of 1 is 0, and cycle number of 2 is 500.
Detailed Description
The following examples further illustrate the present invention but are not to be construed as limiting the invention. Modifications and substitutions to methods, procedures, or conditions of the invention may be made without departing from the spirit of the invention.
The first embodiment is as follows: the embodiment provides a preparation method of a dynamic infrared thermal radiation regulation fiber functional device, which is completed according to the following steps:
firstly, preparing a multiphase polymer dispersion solution:
firstly, adding a polymer into a solvent, heating the mixture under stirring until the polymer is completely dissolved, then adding polymethyl methacrylate, and heating the mixture under magnetic stirring until the polymethyl methacrylate is completely dissolved to obtain a uniform multiphase polymer dispersion solution;
secondly, preparing a porous electrolyte diaphragm layer:
soaking carbon fibers into a uniform multiphase polymer dispersion solution to obtain a carbon fiber/multiphase polymer dispersion solution;
secondly, adding the carbon fiber/multiphase polymer dispersion solution into a solvent, standing, taking out the carbon fiber, and drying to obtain a porous electrolyte diaphragm layer;
thirdly, preparing a working electrode:
attaching a metal layer on the porous electrolyte diaphragm layer by adopting a vacuum thermal evaporation method to obtain a carbon fiber-porous electrolyte diaphragm layer-metal layer;
fourthly, preparing an electrochromic film layer:
washing the carbon fiber-porous electrolyte membrane layer-metal layer by using absolute ethyl alcohol, and then putting the carbon fiber-porous electrolyte membrane layer-metal layer into an oven for heat treatment to obtain the carbon fiber-porous electrolyte membrane layer-metal layer after heat treatment;
secondly, preparing an electrochromic film layer on the carbon fiber-porous electrolyte diaphragm layer-metal layer after the heat treatment by an electroplating method or an in-situ chemical synthesis method to obtain the carbon fiber-porous electrolyte diaphragm layer-metal layer-electrochromic film layer;
the electroplating method in the fourth step is specifically completed according to the following steps:
the method comprises the steps of taking acid-doped polyaniline as an electrolyte, a platinum sheet as a counter electrode, Ag/AgCl as a reference electrode, and a carbon fiber-porous electrolyte diaphragm layer-metal layer as a working electrode, and plating the polyaniline on the metal layer on the carbon fiber-porous electrolyte diaphragm layer-metal layer by adopting a transverse current method or a constant potential method through an electrochemical workstation under a three-electrode system to obtain the carbon fiber-porous electrolyte diaphragm layer-metal layer-polyaniline layer;
and fifthly, washing the carbon fiber-porous electrolyte diaphragm layer-metal layer-polyaniline layer by using distilled water, then placing the carbon fiber-porous electrolyte diaphragm layer-metal layer-polyaniline layer in a vacuum compressor for compression, and introducing electrolyte liquid into the carbon fiber under the action of pressure to obtain the dynamic infrared thermal radiation regulation fiber functional device.
The second embodiment is as follows: the present embodiment differs from the present embodiment in that: the polymer in the first step is one or a mixture of polyvinyl alcohol, polyvinylidene fluoride-polymethyl methacrylate and vinylidene fluoride-hexafluoropropylene copolymer; the solvent in the first step is sulfuric acid solution or N, N-dimethylformamide with the mass fraction of 95-98%. Other steps are the same as in the first embodiment.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: the mass ratio of the polymer to the solvent to the polymethyl methacrylate in the heterogeneous polymer dispersion solution in the first step is 1:6: 0.05; the stirring speed in the first step is 100 r/min-1000 r/min; the heating temperature in the first step is 60-80 ℃. The other steps are the same as in the first or second embodiment.
The fourth concrete implementation mode: the difference between this embodiment and one of the first to third embodiments is as follows: the solvent in the second step is ethanol, acetone or water; and the standing time in the second step is 10-30 min. The other steps are the same as those in the first to third embodiments.
The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: the drying temperature in the second step is 60-80 ℃, and the drying time is 3-5 h; the volume ratio of the carbon fiber/multiphase polymer dispersion solution to the solvent in the second step is (1-2) to (1-50). The other steps are the same as those in the first to fourth embodiments.
The sixth specific implementation mode: the difference between this embodiment and one of the first to fifth embodiments is as follows: the metal layer in the third step is one or a mixture of more of platinum, gold, copper and stainless steel; the thickness of the metal layer in the third step is 100 nm-300 nm. The other steps are the same as those in the first to fifth embodiments.
The seventh embodiment: the difference between this embodiment and one of the first to sixth embodiments is: the washing times in the step IV are 2 to 3 times; the temperature of the heat treatment in the fourth step is 80-120 ℃, and the time of the heat treatment is 3-8 h. The other steps are the same as those in the first to sixth embodiments.
The specific implementation mode is eight: the difference between this embodiment and one of the first to seventh embodiments is: the preparation method of the acid-doped polyaniline comprises the following steps: adding acid into aniline, and uniformly mixing, wherein the mass ratio of the acid to the aniline is (30-60): 1, so as to obtain acid-doped polyaniline; wherein the acid is one or more of sulfuric acid, camphorsulfonic acid, dodecylbenzenesulfonic acid, hydrofluoric acid and hydrochloric acid; the current adopted by the constant current method is 0.1-0.3 mA/s, and the electroplating time is 4000-10000 s; the voltage adopted by the constant voltage method is 0.75V-0.85V, and the electroplating time is 5000-8000 s. The other steps are the same as those in the first to seventh embodiments.
The specific implementation method nine: the difference between this embodiment and the first to eighth embodiments is: the electrolyte liquid in the step five is obtained by dissolving lithium salt into a plasticizer; the flushing time in the step five is 1 min-5 min; the pressure of the vacuum compressor in the step five is 10-50 bar; and the compression times in the step five are 3-5 times, and the compression time is 1-5 min. The other steps are the same as those in the first to eighth embodiments.
The detailed implementation mode is ten: the difference between this embodiment and one of the first to ninth embodiments is as follows: the lithium salt in the step five is one or a mixture of more of lithium hexafluorophosphate, lithium perchlorate, lithium tetrafluoroborate, lithium bis (oxalate) borate, lithium bis (fluoroform) borate, lithium bis (trifluoromethylsulfonyl) imide and lithium bis (fluorosulfonyl) imide; the plasticizer is propylene carbonate; the concentration of lithium salt in the electrolyte liquid is 1-3 mol/L; the mass fraction of the plasticizer is 95-98%. The other steps are the same as those in the first to ninth embodiments.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
The following examples were used to demonstrate the beneficial effects of the present invention:
example 1: a preparation method of a dynamic infrared thermal radiation fiber function regulating device is completed according to the following steps:
firstly, preparing a multiphase polymer dispersion solution:
firstly, adding polyvinylidene fluoride-polymethyl methacrylate into N, N-dimethylformamide, then heating under stirring until the polyvinylidene fluoride-polymethyl methacrylate is completely dissolved, then adding polymethyl methacrylate, and heating under the conditions of magnetic stirring at 1000r/min and a heating temperature of 70 ℃ until the polymethyl methacrylate is completely dissolved to obtain a uniform multiphase polymer dispersion solution;
the mass ratio of the polyvinylidene fluoride-polymethyl methacrylate to the N, N-dimethylformamide to the polymethyl methacrylate in the step one is 1:6: 0.05;
secondly, preparing a porous electrolyte diaphragm layer:
soaking carbon fibers into a uniform multiphase polymer dispersion solution to obtain a carbon fiber/multiphase polymer dispersion solution;
secondly, adding the carbon fiber/multiphase polymer dispersion solution into absolute ethyl alcohol, standing for 30min, taking out the carbon fiber, and drying at 70 ℃ for 4h to obtain a porous electrolyte membrane layer;
the volume ratio of the carbon fiber/multiphase polymer dispersion solution to the absolute ethyl alcohol in the second step is 1: 25;
thirdly, preparing a working electrode:
attaching a gold layer on the porous electrolyte membrane layer by adopting a vacuum thermal evaporation method to obtain a carbon fiber-porous electrolyte membrane layer-gold layer;
the thickness of the gold layer in the third step is 200 nm;
fourthly, preparing an electrochromic film layer:
washing a carbon fiber-porous electrolyte membrane layer-gold layer for 3 times by using absolute ethyl alcohol, and then putting the carbon fiber-porous electrolyte membrane layer-gold layer into a drying oven with the temperature of 100 ℃ for heat treatment for 5 hours to obtain a heat-treated carbon fiber-porous electrolyte membrane layer-gold layer;
secondly, preparing an electrochromic film layer on the carbon fiber-porous electrolyte diaphragm layer-gold layer after the heat treatment by an electroplating method to obtain the carbon fiber-porous electrolyte diaphragm layer-gold layer-electrochromic film layer;
the electroplating method in the fourth step is specifically completed according to the following steps:
using acid-doped polyaniline as an electrolyte, a platinum sheet as a counter electrode, Ag/AgCl as a reference electrode, and a carbon fiber-porous electrolyte diaphragm layer-gold layer as a working electrode, and plating polyaniline on the carbon fiber-porous electrolyte diaphragm layer-gold layer under a three-electrode system by an electrochemical workstation by a transverse current method to obtain the carbon fiber-porous electrolyte diaphragm layer-gold layer-polyaniline layer; the preparation method of the acid-doped polyaniline comprises the following steps: adding acid into aniline, and uniformly mixing, wherein the mass ratio of the acid to the aniline is 40:1, so as to obtain acid-doped polyaniline; wherein, the acid is sulfuric acid with the mass fraction of 98 percent; the current adopted by the constant current method is 0.2mA/s, and the electroplating time is 6000 s;
washing the carbon fiber-porous electrolyte diaphragm layer-gold layer-polyaniline layer by using distilled water, then placing the carbon fiber-porous electrolyte diaphragm layer-gold layer-polyaniline layer in a vacuum compressor for compression, and introducing electrolyte liquid into the carbon fiber through a porous channel under the action of pressure to obtain a dynamic infrared thermal radiation regulation fiber functional device;
the electrolyte liquid in the step five is obtained by dissolving lithium salt into a plasticizer; the lithium salt is lithium hexafluorophosphate; the plasticizer is propylene carbonate; the concentration of lithium salt in the electrolyte liquid is 2 mol/L; the mass fraction of the plasticizer is 98 percent;
the flushing time in the fifth step is 5 min;
the pressure of the vacuum compressor in the step five is 30 bar;
and the number of times of compression in the step five is 5, and the time of each compression is 3 min.
FIG. 1 is an SEM image of a dynamic infrared thermal radiation control fiber functional device prepared in step five of example 1;
as can be seen from fig. 1: polyaniline has an obvious bulk polymerization structure, and is densely attached to the gold film.
FIG. 2 is a digital photograph of the oxidized state and the reduced state of the dynamic infrared thermal radiation control fiber functional device prepared in the fifth step of example 1, wherein the upper part is the oxidized state and the lower part is the reduced state;
as can be seen from fig. 2, the dynamic infrared thermal radiation regulating fiber functional device can be reversibly switched between an oxidized state (corresponding to green) and a reduced state (yellow).
FIG. 3 is a graph showing the variation of the IR emissivity of the functional device of dynamic IR radiation control fiber prepared in step five of example 1;
as can be seen from FIG. 3, the dynamic infrared thermal radiation control fiber functional device has excellent infrared emissivity control capability, and the average value of the infrared emissivity difference is 0.4.
FIG. 4 is a fatigue resistance test chart of the dynamic infrared thermal radiation control fiber functional device prepared in the fifth step of example 1, wherein the cycle number of 1 is 0, and 2 is 500;
as can be seen from fig. 4, the dynamic infrared thermal radiation control fiber functional device has good fatigue resistance, and the response time of switching from the reduced state to the oxidized state is not greatly changed after bending for 500 times.
Claims (10)
1. A preparation method of a dynamic infrared thermal radiation fiber function regulating device is characterized in that the preparation method of the dynamic infrared thermal radiation fiber function regulating device is completed according to the following steps:
firstly, preparing a multiphase polymer dispersion solution:
firstly, adding a polymer into a solvent, heating the mixture under stirring until the polymer is completely dissolved, then adding polymethyl methacrylate, and heating the mixture under magnetic stirring until the polymethyl methacrylate is completely dissolved to obtain a uniform multiphase polymer dispersion solution;
secondly, preparing a porous electrolyte diaphragm layer:
soaking carbon fibers into a uniform multiphase polymer dispersion solution to obtain a carbon fiber/multiphase polymer dispersion solution;
secondly, adding the carbon fiber/multiphase polymer dispersion solution into a solvent, standing, taking out the carbon fiber, and drying to obtain a porous electrolyte diaphragm layer;
thirdly, preparing a working electrode:
attaching a metal layer on the porous electrolyte diaphragm layer by adopting a vacuum thermal evaporation method to obtain a carbon fiber-porous electrolyte diaphragm layer-metal layer;
fourthly, preparing an electrochromic film layer:
washing the carbon fiber-porous electrolyte membrane layer-metal layer by using absolute ethyl alcohol, and then putting the carbon fiber-porous electrolyte membrane layer-metal layer into an oven for heat treatment to obtain the carbon fiber-porous electrolyte membrane layer-metal layer after heat treatment;
secondly, preparing an electrochromic film layer on the carbon fiber-porous electrolyte diaphragm layer-metal layer after the heat treatment by an electroplating method or an in-situ chemical synthesis method to obtain the carbon fiber-porous electrolyte diaphragm layer-metal layer-electrochromic film layer;
the electroplating method in the fourth step is specifically completed according to the following steps:
the method comprises the steps of taking acid-doped polyaniline as an electrolyte, a platinum sheet as a counter electrode, Ag/AgCl as a reference electrode, and a carbon fiber-porous electrolyte diaphragm layer-metal layer as a working electrode, and plating the polyaniline on the metal layer on the carbon fiber-porous electrolyte diaphragm layer-metal layer by adopting a transverse current method or a constant potential method through an electrochemical workstation under a three-electrode system to obtain the carbon fiber-porous electrolyte diaphragm layer-metal layer-polyaniline layer;
and fifthly, washing the carbon fiber-porous electrolyte diaphragm layer-metal layer-polyaniline layer by using distilled water, then placing the carbon fiber-porous electrolyte diaphragm layer-metal layer-polyaniline layer in a vacuum compressor for compression, and introducing electrolyte liquid into the carbon fiber under the action of pressure to obtain the dynamic infrared thermal radiation regulation fiber functional device.
2. The method for preparing a device with a function of dynamically regulating and controlling fiber thermal radiation according to claim 1, wherein the polymer in the first step is one or a mixture of polyvinyl alcohol, polyvinylidene fluoride-polymethyl methacrylate and vinylidene fluoride-hexafluoropropylene copolymer; the solvent in the first step is sulfuric acid solution or N, N-dimethylformamide with the mass fraction of 95-98%.
3. The method for preparing a device with a fiber function regulated and controlled by dynamic infrared thermal radiation according to claim 1 or 2, characterized in that the mass ratio of the polymer, the solvent and the polymethyl methacrylate in the step one is 1:6: 0.05; the stirring speed in the first step is 100 r/min-1000 r/min; the heating temperature in the first step is 60-80 ℃.
4. The method for preparing a device with a fiber function regulated by dynamic infrared thermal radiation according to claim 1 or 2, wherein the solvent in the second step is ethanol, acetone or water; and the standing time in the second step is 10-30 min.
5. The method for preparing a device with a fiber function regulated and controlled by dynamic infrared thermal radiation according to claim 1, wherein the drying temperature in the second step is 60-80 ℃, and the drying time is 3-5 h; the volume ratio of the carbon fiber/multiphase polymer dispersion solution to the solvent in the second step is (1-2) to (1-50).
6. The method for preparing a device with a fiber function regulated by dynamic infrared thermal radiation according to claim 1 or 2, characterized in that the metal layer in step three is one or a mixture of several of platinum, gold, copper and stainless steel; the thickness of the metal layer in the third step is 100 nm-300 nm.
7. The method for preparing a device with a fiber function regulated by dynamic infrared thermal radiation according to claim 1 or 2, wherein the washing times in the fourth step are 2 to 3 times; the temperature of the heat treatment in the fourth step is 80-120 ℃, and the time of the heat treatment is 3-8 h.
8. The method for preparing a device with a fiber function regulated by dynamic infrared thermal radiation according to claim 1, wherein the method for preparing the acid-doped polyaniline comprises the following steps: adding acid into aniline, and uniformly mixing, wherein the mass ratio of the acid to the aniline is (30-60): 1, so as to obtain acid-doped polyaniline; wherein the acid is one or more of sulfuric acid, camphorsulfonic acid, dodecylbenzenesulfonic acid, hydrofluoric acid and hydrochloric acid; the current adopted by the constant current method is 0.1-0.3 mA/s, and the electroplating time is 4000-10000 s; the voltage adopted by the constant voltage method is 0.75V-0.85V, and the electroplating time is 5000-8000 s.
9. The method for preparing a device with a function of dynamically regulating infrared thermal radiation fibers as claimed in claim 1, wherein the electrolyte liquid in the fifth step is obtained by dissolving lithium salt into a plasticizer; the flushing time in the step five is 1 min-5 min; the pressure of the vacuum compressor in the step five is 10-50 bar; and the compression times in the step five are 3-5 times, and the compression time is 1-5 min.
10. The method for preparing a device with a fiber function regulated by dynamic infrared thermal radiation according to claim 9, wherein the lithium salt in the fifth step is one or a mixture of more of lithium hexafluorophosphate, lithium perchlorate, lithium tetrafluoroborate, lithium bis (oxalato) borate, lithium bis (trifluoromethylsulfonyl) imide and lithium bis (fluorosulfonato) imide; the plasticizer is propylene carbonate; the concentration of lithium salt in the electrolyte liquid is 1-3 mol/L; the mass fraction of the plasticizer is 95-98%.
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| CN115652612A (en) * | 2022-11-14 | 2023-01-31 | 武汉纺织大学 | Electrochromic fiber and preparation method thereof |
| CN115772717A (en) * | 2022-12-19 | 2023-03-10 | 东南大学 | Electrochromic filament fiber with skin-core structure, preparation method thereof and fabric |
| CN117170153A (en) * | 2023-05-22 | 2023-12-05 | 哈尔滨工业大学 | Preparation method of vine winding electro-spectral regulation fiber device |
| CN117170153B (en) * | 2023-05-22 | 2024-04-30 | 哈尔滨工业大学 | Preparation method of vine winding electro-spectral regulation fiber device |
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