CN101830090A - Color-changing camouflage fabric based on reflective electrochromic device and preparation method thereof - Google Patents
Color-changing camouflage fabric based on reflective electrochromic device and preparation method thereof Download PDFInfo
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Abstract
The invention relates to color-changing camouflage fabric based on a reflective electrochromic device and a preparation method thereof. The color-changing camouflage fabric comprises a dominant hue patch and an auxiliary color patch, wherein the dominant hue patch is communicated on the whole fabric; the dominant hue patch is a multi-layer structure, and sequentially comprises flexible conductive fabric, an ion storage layer, an electrolyte layer, a dominant hue patch of conductive camouflage fabric, an electrochromic high polymer layer and a transparent protective film layer from the bottom to the top; and the flexible conductive fabric and the conductive camouflage fabric are respectively connected with the anode and the cathode of power supply equipment. In the invention, the obtained color-changing camouflage fabric adopts two fabric electrodes, so the flexibility is completely realized, and the the wearability of wearing fabric is available. The adopted electrochromic high polymer and the reflection type structure has the characteristics of capability of artificial control at low voltage, interchangeability in more than two kinds of camouflage patterns, high changing speed, bright and outstanding color, low cost and more convenient production and processing.
Description
Technical field
The present invention relates to a kind of color-changing camouflage fabric based on reflective electrochromic device and preparation method thereof, based on the reflective electrochromic device structure, adopt the flexible fabric electrode fully, the electrochromism high polymer that promptly under different low-voltages, presents different colours, and be placed on the compliant conductive camouflage fabric, electrolyte and the surface-coated by glue has color-changing camouflage fabric that the compliant conductive fabric of ion storage layer is connected with electrode and preparation method thereof.This method can realize complete color-changing camouflage fabric based on wearability such as flexible fabric electrode and air-moisture-permeables.
Background technology
The camouflage fabric camouflage.Camouflage fatigue is blended in background by polychrome piece reasonably combined destruction overall profile feature and with integral color, makes the spectral reflectivity of camouflage fatigue similar to background, thereby reaches camouflage effectiveness.Because the atural object and the vegetation condition of various operational environments vary, so produced respectively pattern or camouflage fatigues such as jungle, forest land, desert, ocean, city and mountain region, plateau, polar region and snowfield camouflage color with each adaptive environment facies fusion.Obviously, the forest land camouflage color can not obtain merging in the desert background, and the jungle camouflage color also can not obtain good hidden effect on snowfield.Therefore, the researcher of the military pays close attention to the color-changing camouflage pattern or the clothes that can all can reach good camouflage effectiveness under two kinds even multiple environment always.
As a kind of desirable fighting uniform camouflage protective fabric, color-changing camouflage is subjected to the positive regard of army of developed country always, and U.S. army and Japanese army have just begun the research of color-changing camouflage from the sixties.The track of its exploitation is as follows: the variable color notion and the target that at first propose " chameleon " fighting uniform, the i.e. typical discoloration effect of " soldier is shown in red on red carpet, run into attack when hiding in grove shown in green ", but shortage possibility with regard to science and technology at that time in fact, and there is not military value yet; Then in conjunction with the scientific and technical research of off-color material, luminescent material and flexible display, be divided into two kinds of technology paths gradually, that is:
(1) having got rid of what be difficult to realize ACTIVE CONTROL is the off-color material of inducement with factors such as heat, light, wet, pressure, be devoted to the particularly research of conducting polymer composite and transition metal oxide electrochromic material of electrochromic material, and wish electroluminescent material also is applied to color-changing camouflage.But the still difficult specification requirement of satisfying color-changing camouflage of form and aspect, driving voltage stability requirement, variable color response speed and possibility of reversal number of times before and after the electrochromic material variable color, the camouflage effectiveness of electroluminescent material is also undesirable.So also do not show its color-changing camouflage sample at present,, do not have the relevant report on the scientific and technical meaning at present yet because of the confidentiality of military scientific research based on electrochromism and electroluminescent material;
(2) adopt the mode that background image extracts and the clothes direct picture shows, promptly form clothing system with microcam and Organic Light Emitting Diode flexible display material such as (OLED), background image is imaged in the clothes front, top view person is lumped together image on the clothes and background, reach camouflage effectiveness.This mode can adapt to the diversity of settings condition, and still: A. adopts OLED illumination mode itself just to be unfavorable for hidden easy exposure; B. clothes can only show a kind of image, so can only pretend very easy exposure when changing an angle observation to a direction; C. system is huge, loses actual military significance.Tokyo Univ Japan has this type of " suitable scape camouflage " to study and has sample to show at present.
Though often have report foreign military (even) succeed in developing color-changing camouflage with similar lizard (chameleon) discoloration effect, with temperature, humidity, pH value change, the off-color material of physical chemical factor is changed to inducement such as illumination excites, electric field excites also occurred, but can the controlled circulation variable color and do not see open report with the color-changing camouflage that two kinds and above different landforms visual signature match respectively.
The electrochromic device technology.Electrochromism (EC) is meant material under the electric field or the function of current, light absorption or light scattering takes place cause color that the phenomenon of reversible variation takes place.Electrochromic material with practical value has low switching voltage, is generally-1V～1V; Good intrinsic memory effect and variable color efficient, cycle period and cyclical stability.Comprise organic and inorganic electrochromic two big class materials, common electrochromic material has WO
3, TiO
2Deng transition metal oxide, the blue series of organic matter and Prussia such as conducting polymer, the phthalein flower mountain valley with clumps of trees and bamboo, liquid crystal.Wherein, the inorganic electrochromic thing is used widely industrial, such as WO
3Be used for electrochromic, but the short of electricity of inorganic electrochromic thing is that complicated process of preparation, cost height and glow color difficulty are regulated, color category is less and be difficult to realize flexibility.The process of organic conductive macromolecule doping/dedoping is the change color that can produce completely reversibility in the process of oxidation or reduction, such as polyaniline (PANi), polythiophene, polypyrrole etc., and organic conductive macromolecule exists good film-forming property, color tunable, low cost and other advantages, studies maximum PANi that still concentrate on.
At present, electrochromic device mostly is " sandwich " type structure, as electrochromic, being about to the electrochromism thing is clipped between two electrodes that include electrolyte, ion storage layer with coating or film mode, in order to be that the color variable color is showed to external world, requiring wherein, at least one electrode is a transparency electrode.And at present commercially available transparency electrode such as ITO/PET etc. are soft inadequately, the bigger 188 μ m of thickness, other possible electrode material has color or other short of electricity such as conducting resinl, PEDOT/PSS, wire netting or lining etc. more, and this causes electrochromic device to be difficult to realize flexibility.
Therefore, provide a kind of can change between two kinds or the above camouflage pattern, just become this technical field based on color-changing camouflage fabric of reflective electrochromic device and preparation method thereof and be badly in need of the technical barrier that solves.
Summary of the invention
One of purpose of the present invention provide a kind of can be in change between two kinds or the above camouflage pattern, based on the color-changing camouflage fabric of reflective electrochromic device.
Above-mentioned purpose of the present invention reaches by the following technical programs:
A kind of color-changing camouflage fabric is characterized in that: comprise dominant hue patch and complementary colors patch; The dominant hue patch is made of sandwich construction; comprise successively from top to bottom: the dominant hue patch of compliant conductive fabric, ion storage layer, dielectric substrate, conduction camouflage fabric, electrochromism high polymer layer and transparent protective film layer, described compliant conductive fabric is connected with the both positive and negative polarity of electric supply installation by lead respectively with the conduction camouflage fabric.
A kind of optimal technical scheme is characterized in that: described dominant hue patch is blueness, khaki or green; Described dominant hue patch accounts for more than 40% of the described color-changing camouflage fabric gross area, can realize dichromatism or polychrome change; Described complementary colors patch is dark brown, black and three kinds of colors of light gray.Can realize the optics camouflage painting effect of four color spot pieces in the visible-range.
A kind of optimal technical scheme, it is characterized in that: described conduction camouflage fabric is for adopting the fiber and the woven white conductive fabric of general fibre of coating surface metal, resistivity is 1～1000 Ω .cm, forms complementary colors patch and non-staining dominant hue patch by printing and dyeing thereon.Be characterized in being easy to the processing and sorting of printing and dyeing, soft, air-moisture-permeable.
A kind of optimal technical scheme is characterized in that: described compliant conductive fabric is the metallized fabrics of coating surface metal, obtains by chemical plating or plating on the fabric base; Perhaps be the fiber and the woven conductive fabric of general fibre of coating surface metal, its resistivity is 1～1000 Ω .cm, and is soft, air-moisture-permeable.
A kind of optimal technical scheme, it is characterized in that: the fiber of described coating surface metal is the fiber of coating surface silver, copper, zinc, nickel, gold etc., general fibre is textile fabrics such as terylene, polyamide fibre, cotton, polypropylene fibre, viscose glue, polyvinyl, through broadwise in varing proportions as modes such as 1: 1 or 1: 2 weave.
A kind of optimal technical scheme is characterized in that: described ion storage layer is made of organic or inorganic electrochromic material such as polyaniline, polypyrrole, polythiophene, polypyridine, tungsten oxide, molybdenum oxide or the yttrium oxide that nickel oxide, vanadium oxide, cobalt oxide plasma stored or can play the ion storage function.
A kind of optimal technical scheme, it is characterized in that: described dielectric substrate constitutes by containing lithium ion or hydrionic gel state or liquid electrolyte, the conduction camouflage fabric and the electrochromism high polymer layer of dominant hue patch also soak full electrolyte simultaneously, be that dielectric substrate floods the top that is coated to electrochromism high polymer layer always, cause change color thereby make the electrochromism high polymer in the electrochemical oxidation environment, get betatopic.
A kind of optimal technical scheme is characterized in that: described electrochromism high polymer layer is made of mix polyaniline PANI, polypyrrole or polythiophene etc. organic or inorganic acid.
A kind of optimal technical scheme is characterized in that: described transparent membrane is micropore PU (polyurethane) transparent protective film, and described PU diaphragm thickness is 1～50 μ m.
The electrochromism high polymer that can realize the color change is preferably PANi or polypyrrole, under different electronegative potentials, can present different colors, can be such as polyaniline along with the variation of voltage, color can be from the yellow of going back ortho states (LE) entirely to the green of doped portion oxidation state (ES) and the purple of the blue and full oxidation state (PS) of doped portion oxidation state (EB) not.Electrochromism high polymer PANI has that good stability and raw material to oxygen and water is easy to get, the feature of simple synthetic method, can realize preparation by methods such as chemical oxidative polymerization or electrochemistry are synthetic.The existing comparatively mature technique of above-mentioned PANi variable color preparation of devices principle and technology, concrete visible " progress of electrically conductive polyaniline " (Wang Ke, Zhang Wangxi, synthetic technology and application, 2004,19 (1): 23-27).
Another object of the present invention provides a kind of preparation method of above-mentioned color-changing camouflage fabric, is specially a kind of preparation method of the color-changing camouflage fabric based on reflective electrochromic device.
Above-mentioned purpose of the present invention reaches by the following technical programs:
A kind of preparation method of color-changing camouflage fabric, its step is as follows:
(1) fiber and the general fibre of coating surface metal level are weaved, obtained the white conductive fabric of resistivity at 1～1000 Ω .cm;
(2) by cylinder, plain net, ink-jet printed printing and dyeing or pigment dyeing, on the white conductive fabric of gained, form the dominant hue patch of non-staining white and three look complementary colors patches of dark brown, black and light gray, obtain conducting electricity camouflage fabric;
(3) on the dominant hue patch of described conduction camouflage fabric, apply the electrochromism high polymer, form electrochromism high polymer layer;
(4) with ordinary polyester or nylon fabric as the basis,, or adopt acquisition compliant conductive fabric thereon by method metal plating layers such as platings, chemical platings as the described mode of step (1);
(5) coating has the ion storage materials with function on step (4) gained compliant conductive fabric, forms ion storage layer;
(6) step (3) gained conduction camouflage fabric is superimposed on step (4) gained compliant conductive fabric, on the electrochromism high polymer layer of step (3) gained, flood electrolyte and make it penetrate into dominant hue patch below dipping ion storage layer and compliant conductive fabric, and solidify, after the curing, each layer links together;
(7) it is compound the compound fabric behind the completing steps (6) and transparent protective film layer to be carried out lamination;
(8) with compliant conductive fabric and conduction camouflage fabric as electrode, draw two leads respectively in fabric, connect the direct current be not more than 3V, can change voltage swing as power supply, form color-changing camouflage fabric.
A kind of optimal technical scheme is characterized in that: described dominant hue patch accounts for more than 40% of the described color-changing camouflage fabric gross area.
A kind of optimal technical scheme, it is characterized in that: the fiber of described coating surface metal is the fiber of coating surface silver, copper, zinc, nickel, gold etc., general fibre is textile fabrics such as terylene, polyamide fibre, cotton, polypropylene fibre, viscose glue, polyvinyl, through broadwise in varing proportions as modes such as 1: 1,1: 2 or 1: 3 weave.
A kind of optimal technical scheme is characterized in that: the resistivity of described compliant conductive fabric is 1～1000 Ω .cm, and is soft, air-moisture-permeable.
A kind of optimal technical scheme is characterized in that: described to have the ion storage materials with function be organic or inorganic electrochromic material such as polyaniline, polypyrrole, polythiophene, polypyridine, tungsten oxide, molybdenum oxide or the yttrium oxide that nickel oxide, vanadium oxide, cobalt oxide plasma stored or can play the ion storage function.
A kind of optimal technical scheme is characterized in that: described electrolyte is for containing lithium ion or hydrionic gel state or liquid electrolyte.
A kind of optimal technical scheme is characterized in that: described electrochromism high polymer is polyaniline PANI, polypyrrole or the polythiophene etc. of mix organic or inorganic acid.
A kind of optimal technical scheme is characterized in that: described transparent protective film layer is micropore PU (polyurethane) transparent protective film, and described PU diaphragm thickness is 1～50 μ m.
Color-changing camouflage fabric of the present invention, when circuit kept path, voltage be-during 1.5v, present yellow, when voltage is 0v, occurred bluely, when voltage is 1.5v, green occurred.
For the camouflage fabric of dichromatism or polychrome change, can obtain the camouflage fabric of different color by the adjustment voltage swing according to required color.When between two electrodes, form path, when different voltage is arranged, polyaniline corresponds to different redox states, arrives the green of partial oxidation attitude from the yellow of going back ortho states entirely.Therefore, can realize the function of color-changing camouflage by adjusting the voltage swing between two electrodes.
The present invention is based on the approach of the camouflage color patch realization that camouflage is adopted to camouflage fabric, the parsing of these three big technology contents of reflective electrochromic device technology and flexible fabric electrode, broken through the thinking limitation of above realization color-changing camouflage, effectively designing on the basis of camouflage pattern, with conductive fabric as electrode, and coating can realize electrochromic PANi on the conduction camouflage fabric master patch of one of electrode, curablely contain the electrolyte of colloid and the electrochromic device of ion storage layer is realized the change of two or more different colours, thereby realize the mutual conversion between different camouflage fabrics.
Principle of the present invention is:
(1) two kinds and above camouflage fabric of the realization of design four looks and above patch thereof.The characteristics of these camouflage fabrics are that the feature size and the shape of camouflage color patch is identical, and except a kind of color (its color lump content is more than 40% reaches) difference of dominant hue patch, the color of other tone patch is all identical.Like this, as long as realize the color change of dominant hue patch, just can realize the transformation of two kinds and above camouflage fabric.
(2) preparation of textile electrode.Textile electrode comprises the electrode and the common fabric electrode of the camouflage pattern of can printing and dyeing.For the former, must have the characteristic of can printing and dyeing, the fiber of preferred surface metal lining is being interwoven through broadwise with 1: 1 or other ratio such as silver-colored fiber and other ordinary chemical fiber such as terylene, cotton fiber etc.; For the latter, there is multiple mode to realize, such as being made into etc. after the fiber of the fabric of the fabric of coating surface metal, surface-coated conducting resinl, Stainless Steel silk fabrics, coating surface metal and other fiber interweaving or the blending.
(3) preparation of electrochromism high polymer PANI.Polyaniline must have good filming performance and electric conductivity, preferred oxidation-reduction method and the synthetic method of electrochemistry, and employing polyvinyl alcohol etc. prepare the polyaniline off-color material that green acid is mixed as coalescents.
(4) contain the preparation of the gel/solid electrolyte of colloid.Electrolyte must have higher electrical conductivity, ion transfer function and the higher transparency, the homogeneous phase amorphous state gel electrolyte system of preferred macromolecule-solvent-alkali metal salt system.
(5) ion storage layer is coated on the common fabric electrode with conduction high polymer such as PANi, as to electrode.
(6) textile electrode of camouflage color electrode fabric and above-mentioned (5) preparation is superimposed, note leaving a fixed gap between the two and avoid contact.Electrochromism high polymer and the solid electrolyte that contains colloid are coated on the main patch that needs the camouflage color of variable color electrode fabric, and make liquid electrolyte envelope electrochromism high polymer and infiltration fabric below, and solidify, make effectively connection of each layer.
(7) on (6) described fabric, be covered with layer of transparent PU film.
(8) to respectively drawing lead on electrode and the conduction camouflage fabric electrode, and is connected,, can makes the dominant hue patch of fabric present different colors by the change voltage swing with power supply, thus the function of realization color-changing camouflage.
By the color-changing camouflage fabric that above approach makes, its advantage and characteristics are:
(1) the electrochromism macromolecule that is adopted has low voltage drive and reversible response characteristic, can in 5s, realize under generally in ± 1.5V voltage range color transformed, the instructions for use that its variable color speed and voltage can satisfy color-changing camouflage and take fully;
(2) the most outstanding advantage of the present invention is that two electrodes all directly adopt the flexible fabric electrode, meets the performance characteristics of taking textile fully, and soft air-moisture-permeable is fit to clothes and uses;
(3) another advantage of the present invention be the electrochromism high polymer directly at outermost layer, perhaps only need be covered with the extremely transparent PU diaphragm of one deck, its color is presented to the observer fully, and is clear and distinctive;
(4) adopt electrically conductive polyaniline as the electrochromism high polymer, change color is many, cost is low, filming performance is good, be easy to control, and can realize the color-changing camouflage fabric of change between two kinds and the above camouflage pattern.
(5) camouflage fabric flower type can design as required, as long as guarantee that main plaque area reaches 40% or above, does not need patch to be communicated with.
In a word, gained color-changing camouflage fabric of the present invention has been realized flexibility fully owing to adopted two textile electrodes, has the wearability of taking fabric; And the electrochromism high polymer and the reflection type structure that adopt, but have that low-voltage can artificially be controlled, change between two or more camouflage patterns, pace of change is fast, color clear is outstanding, cost is low, the characteristics of the production and processing of being more convenient for.
The present invention will be further described below by the drawings and specific embodiments, but and do not mean that limiting the scope of the invention.
Description of drawings
Fig. 1 is the structural representation of color-changing camouflage fabric dominant hue patch.
The specific embodiment
Can realize the preparation method of the color-changing camouflage fabric of three kinds of camouflage color changes.
The forest land camouflage color that contains four color spot pieces, desert camouflage color and the ocean camouflage pattern of design, wherein the forest land camouflage color contains green, dark brown, black and light gray totally four color spot pieces, the desert camouflage color contains the colour of loess, dark brown, black and light gray totally four color spot pieces, and the ocean camouflage color contains blueness, dark brown, black and light gray totally four color spot pieces.In three kinds of camouflage fabrics, except dominant hue green, the colour of loess were different with blue color, other three color spots piece CF was all identical.As warp thread, silver-colored fiber and cotton fiber are arranged with 1: 1 ratio with silver-colored fiber and cotton fiber, and weft yarn also uses silver and cotton the arrangement with 1: 3 to weave, and obtains the openpore fabric, and resistivity is 30 Ω .cm.This fabric is used separately as compliant conductive fabric (promptly to electrode) and conduction camouflage fabric (being working electrode).Wherein, the compliant conductive fabric obtains feel and meets the fabric of taking requirement through common fabric post-treatment processing; The conduction camouflage fabric need be by ink-jet printed printing and dyeing (also can pass through cylinder, PLATE SCREAM PRINTING printing and dyeing or pigment dyeing) forest land camouflage fabric, form the dominant hue patch of non-staining white and three look complementary colors patches of dark brown, black and light gray, notice that wherein green dominant hue patch partly keeps white any color of promptly not printing and dyeing, this part area accounts for more than 40% of whole fabric area.
Apply polyaniline PANI on the compliant conductive fabric, thickness 200 μ m are as ion storage; Apply PANI on the dominant hue patch of conduction camouflage fabric, thickness 200 μ m are as electrochromic layer; Two kinds of fabrics are kept at a certain distance away, about 500 μ m are superimposed, go down, make it to permeate downwards from electrochromism PANI dipping liquid electrolyte then from the intrinsic micropore of fabric, and arrive fully on the compliant conductive fabric, wait for that then the liquid electrolyte that contains colloid solidifies, and each layer effectively connected.A compound again transparent protective film layer on electrochromism high polymer layer then, the transparent protective film layer is micropore PU (polyurethane) transparent protective film, thickness is 30 μ m.
Draw a lead respectively on compliant conductive fabric and conduction camouflage fabric, be connected with the power supply that can change voltage swing, voltage range is-1.5V～1.5V by changing voltage, can change the color of working electrode conduction camouflage fabric master patch.When 0V, present blueness; When-1.5V, present yellow; When 1.5V, present green.In the use, can be according to concrete environmental requirement, effectively regulation voltage is controlled, and makes it present the camouflage color effect of dichromatism or three look changes.
As shown in Figure 1; be the structural representation of color-changing camouflage fabric dominant hue patch, wherein 1 is that compliant conductive fabric (to electrode), 2 is that ion storage layer, 3 is that dielectric substrate, the 4 dominant hue patches (the conduction camouflage fabric is a working electrode) for the conduction camouflage fabric, 5 are that electrochromism high polymer layer, 6 is that transparent protective film layer, 7 is a power supply.
Above-mentioned ion storage PANI can prepare by following process: in molar ratio 1 part of aniline monomer is joined (mass percent of PVA is 2.3%) in the PVA1750 solution that contains 1 part of DBSA (DBSA), stirring at room 3～5min; Adding 1 part of mass fraction in whipping process gradually is 4.3% ammonium persulfate solution, dropwises the back and continues reaction 8～10h.
Above-mentioned electrochromism PANI can prepare by following process: in molar ratio 1 part of aniline monomer is joined (mass percent of PVA is 3.3%) in the PVA1750 solution that contains 1.5 parts of DBSA, stirring at room 3～5min; Be positioned over then that to add 2 parts of mass fractions in the ice bath whipping process gradually be 7.8% ammonium persulfate solution, dropwise the back and continue reaction 8～10h.
Above-mentioned electrolyte can prepare by following process: in molar ratio a polymethyl methacrylate is joined (mass percent of propene carbonate is 70%) in the carbonic allyl ester solution that contains a lithium perchlorate, add thermal agitation 10 minutes, and formed the transparent and homogeneous polymer.
Adopt the color-changing camouflage fabric preparation method of compliant conductive camouflage fabric and metallized fabrics electrode.Except for the following differences, other preparation process and the material that adopted are all with embodiment 1.
With dacron as the base material, NaOH by 12% does the alkali decrement treatment, make fabric face micropore and pit occur, again by the electroplating chemical electroplating method, metal lining copper, nickel, micropore by fabric face is combined closely metal and base material, obtains the compliant conductive fabric of resistivity at 20 Ω, as to electrode.
Fiber and polyster fibre with the coating surface silver layer are arranged as warp thread, are arranged at 1: 3 as weft yarn with 1: 2 ratio, weave and obtain the compliant conductive fabric of resistivity at 30 Ω, and by the camouflage pattern of roller printing printing shown in embodiment 1, as the conduction camouflage fabric.
Adopt the color-changing camouflage fabric preparation method of polythiophene as the electrochromism high polymer.Except for the following differences, other preparation process and the material that adopted are all with embodiment 1.
Except for the following differences, other preparation process and the material that adopted are all with embodiment 1.
The resistivity of compliant conductive fabric (promptly to electrode) is 5 Ω .cm, and the resistivity of conduction camouflage fabric (being working electrode) is 1000 Ω .cm, and the transparent protective film layer is micropore PU (polyurethane) transparent protective film, and thickness is 50 μ m.
Except for the following differences, other preparation process and the material that adopted are all with embodiment 1.
The resistivity of compliant conductive fabric (promptly to electrode) is 980 Ω .cm, and the resistivity of conduction camouflage fabric (being working electrode) is 1 Ω .cm, and the transparent protective film layer is micropore PU (polyurethane) transparent protective film, and thickness is 2 μ m.
The resistivity of compliant conductive fabric (promptly to electrode) is 1-1000 Ω .cm, and conduction camouflage fabric (being working electrode) resistivity is 1-1000 Ω .cm, and the thickness of transparent protective film layer is 1-50 μ m; The compliant conductive fabric, conduction camouflage fabric and the transparent protective film layer that meet above-mentioned requirements are used for method of the present invention and all can prepare color-changing camouflage fabric preferably.
Claims (10)
1. a color-changing camouflage fabric is characterized in that: comprise dominant hue patch and complementary colors patch; The dominant hue patch is made of sandwich construction; comprise successively from top to bottom: the dominant hue patch of compliant conductive fabric, ion storage layer, dielectric substrate, conduction camouflage fabric, electrochromism high polymer layer and transparent protective film layer, described compliant conductive fabric is connected with the both positive and negative polarity of electric supply installation by lead respectively with the conduction camouflage fabric.
2. color-changing camouflage fabric according to claim 1 is characterized in that: described dominant hue patch is for blue, yellow or green; Described dominant hue patch accounts for more than 40% of the described color-changing camouflage fabric gross area.
3. color-changing camouflage fabric according to claim 1, it is characterized in that: described conduction camouflage fabric is for adopting the fiber and the woven white conductive fabric of general fibre of coating surface metal, resistivity is 1～1000 Ω .cm, forms complementary colors patch and non-staining dominant hue patch by printing and dyeing thereon; Described compliant conductive fabric is the metallized fabrics of coating surface metal, perhaps is the fiber and the woven conductive fabric of general fibre of coating surface metal, and resistivity is 1～1000 Ω .cm.
4. color-changing camouflage fabric according to claim 3, it is characterized in that: the fiber of described coating surface metal is the fiber of coating surface silver, copper, zinc, nickel or gold etc., general fibre is fibers such as terylene, polyamide fibre, cotton, polypropylene fibre, viscose glue, polyvinyl, is weaving in different modes such as 1: 1 or 1: 2 through broadwise.
5. color-changing camouflage fabric according to claim 1 is characterized in that: described ion storage layer is made of nickel oxide, vanadium oxide, cobalt oxide, polyaniline, polypyrrole, polythiophene, polypyridine, tungsten oxide, molybdenum oxide or yttrium oxide; Described dielectric substrate constitutes by containing lithium ion or hydrionic gel state or liquid electrolyte; Described electrochromism high polymer layer is made of mix polyaniline, polypyrrole or polythiophene organic or inorganic acid; Described transparent membrane is the polyurethane transparent diaphragm, and thickness is 1～50 μ m.
6. the preparation method of a color-changing camouflage fabric, its step is as follows:
(1) fiber and the general fibre of coating surface metal level are weaved, obtained the white conductive fabric of resistivity at 1～1000 Ω .cm;
(2) by cylinder, plain net, ink-jet printed printing and dyeing or pigment dyeing, on the white conductive fabric of gained, form the dominant hue patch of non-staining white and three look complementary colors patches of dark brown, black and light gray, obtain conducting electricity camouflage fabric;
(3) on the dominant hue patch of described conduction camouflage fabric, apply the electrochromism high polymer, form electrochromism high polymer layer;
(4) with ordinary polyester or nylon fabric as the basis,, or adopt acquisition compliant conductive fabric thereon by method metal plating layers such as platings, chemical platings as the described mode of step (1);
(5) coating has the ion storage materials with function on step (4) gained compliant conductive fabric, forms ion storage layer;
(6) step (3) gained conduction camouflage fabric is superimposed on step (4) gained compliant conductive fabric, on the electrochromism high polymer layer of step (3) gained, flood electrolyte and make it penetrate into dominant hue patch below dipping ion storage layer and compliant conductive fabric, and solidify, after the curing, each layer links together;
(7) it is compound the compound fabric behind the completing steps (6) and transparent protective film layer to be carried out lamination;
(8) with compliant conductive fabric and conduction camouflage fabric as electrode, draw two conductions respectively in fabric, connect the direct current be not more than 3V, can change voltage swing as power supply, form color-changing camouflage fabric.
7. the preparation method of color-changing camouflage fabric according to claim 6, it is characterized in that: described dominant hue patch accounts for more than 40% of the described color-changing camouflage fabric gross area.
8. the preparation method of color-changing camouflage fabric according to claim 6, it is characterized in that: the fiber of described coating surface metal is the fiber of coating surface silver, copper, zinc, nickel or gold etc., general fibre is terylene, polyamide fibre, cotton, polypropylene fibre, viscose glue or polyvinyl etc., forms weaving with different modes such as 1: 1,1: 2 or 1: 3 through broadwise.
9. the preparation method of color-changing camouflage fabric according to claim 6, it is characterized in that: the resistivity of described compliant conductive fabric is 1～1000 Ω .cm.
10. the preparation method of color-changing camouflage fabric according to claim 6 is characterized in that: described to have the ion storage materials with function be nickel oxide, vanadium oxide, cobalt oxide, polyaniline, polypyrrole, polythiophene, polypyridine, tungsten oxide, molybdenum oxide or yttrium oxide; Described electrolyte is for containing lithium ion or hydrionic gel state or liquid electrolyte; Described electrochromism high polymer is polyaniline, polypyrrole or the polythiophene of mix organic or inorganic acid; Described transparent protective film layer is the polyurethane transparent diaphragm, and thickness is 1～50 μ m.
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| CN102841473A (en) * | 2011-06-23 | 2012-12-26 | 比亚迪股份有限公司 | Electrochromism device and preparation method thereof |
| CN103257502A (en) * | 2012-02-16 | 2013-08-21 | 中国人民解放军总后勤部军需装备研究所 | Transmission type electrochromic fabric and preparation method thereof |
| CN103257500A (en) * | 2012-02-16 | 2013-08-21 | 中国人民解放军总后勤部军需装备研究所 | Reflection-type electrochromic fabric and production method thereof |
| CN103257501A (en) * | 2012-02-16 | 2013-08-21 | 中国人民解放军总后勤部军需装备研究所 | Polyaniline based electrochromic fabric and manufacturing method thereof |
| CN104114373A (en) * | 2011-12-20 | 2014-10-22 | 康涅狄格大学 | High resolution patterning on conductive fabric by inkjet printing and its application for real wearable displays |
| CN105131257A (en) * | 2015-08-10 | 2015-12-09 | 安徽国星生物化学有限公司 | High isotacticity polypyridine and preparation method thereof |
| CN107300820A (en) * | 2017-08-29 | 2017-10-27 | 四川大学 | Can covered type electrochromic device and coating |
| CN108363255A (en) * | 2018-03-27 | 2018-08-03 | 深圳市华科创智技术有限公司 | A kind of electrochromism membrane material and its electrochromism membrane module of preparation |
| CN110171931A (en) * | 2019-07-15 | 2019-08-27 | 吉林农业科技学院 | A kind of preparation method for mixing vanadium bilayer electro-allochromatic nickel oxide film |
| WO2019196020A1 (en) * | 2018-04-10 | 2019-10-17 | 香港纺织及成衣研发中心有限公司 | Electrochromic element, device and product, and manufacturing method and usage method therefor |
| CN110361902A (en) * | 2018-04-10 | 2019-10-22 | 香港纺织及成衣研发中心有限公司 | Electric driven color-changing part, device, product and production and preparation method thereof |
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| CN102841473A (en) * | 2011-06-23 | 2012-12-26 | 比亚迪股份有限公司 | Electrochromism device and preparation method thereof |
| CN102841473B (en) * | 2011-06-23 | 2016-03-30 | 比亚迪股份有限公司 | A kind of electrochromic device and preparation method thereof |
| CN104114373A (en) * | 2011-12-20 | 2014-10-22 | 康涅狄格大学 | High resolution patterning on conductive fabric by inkjet printing and its application for real wearable displays |
| CN103257501A (en) * | 2012-02-16 | 2013-08-21 | 中国人民解放军总后勤部军需装备研究所 | Polyaniline based electrochromic fabric and manufacturing method thereof |
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| CN103257501B (en) * | 2012-02-16 | 2016-03-02 | 中国人民解放军总后勤部军需装备研究所 | A kind of electrochromism fabric based on polyaniline and preparation method thereof |
| CN103257502A (en) * | 2012-02-16 | 2013-08-21 | 中国人民解放军总后勤部军需装备研究所 | Transmission type electrochromic fabric and preparation method thereof |
| CN105131257A (en) * | 2015-08-10 | 2015-12-09 | 安徽国星生物化学有限公司 | High isotacticity polypyridine and preparation method thereof |
| CN107300820A (en) * | 2017-08-29 | 2017-10-27 | 四川大学 | Can covered type electrochromic device and coating |
| CN107300820B (en) * | 2017-08-29 | 2023-05-16 | 四川大学 | Coated electrochromic device and coating |
| CN108363255A (en) * | 2018-03-27 | 2018-08-03 | 深圳市华科创智技术有限公司 | A kind of electrochromism membrane material and its electrochromism membrane module of preparation |
| US11326094B2 (en) | 2018-03-27 | 2022-05-10 | Shenzhen Huake-Tek Co., Ltd. | Electrochromic film material and electrochromic film device prepared therefrom |
| WO2019196020A1 (en) * | 2018-04-10 | 2019-10-17 | 香港纺织及成衣研发中心有限公司 | Electrochromic element, device and product, and manufacturing method and usage method therefor |
| CN110361902A (en) * | 2018-04-10 | 2019-10-22 | 香港纺织及成衣研发中心有限公司 | Electric driven color-changing part, device, product and production and preparation method thereof |
| US11868018B2 (en) | 2018-04-10 | 2024-01-09 | The Hong Kong Research Institute Of Textiles And Apparel Limited | Electrochromic elements, devices and products, and methods for manufacturing and utilizing the same |
| CN110171931A (en) * | 2019-07-15 | 2019-08-27 | 吉林农业科技学院 | A kind of preparation method for mixing vanadium bilayer electro-allochromatic nickel oxide film |
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