195results about How to "Improve coloring efficiency" patented technology

The invention discloses a three-dimensional visualization method based on point cloud and image data and a system thereof. The method comprises the following steps of collecting image data and point cloud data of a target scene; carrying out upsampling on the point cloud data, projecting the point cloud data after the upsampling to the image data so as to carry out fusion, coloring the fused point cloud data and acquiring the colorful point cloud data; and using the colorful point cloud data to carry out three-dimensional rendering and acquiring a three-dimensional visualization model of the target scene. In the invention, point-cloud three-dimensional visualization from data acquisition and fusion to final rendering display is realized, which is good for development of a laser point cloud technology; and accessibility and usability of the point cloud data to a common user are increased.

The invention provides a tungsten trioxide / polyaniline core-shell nanowire array radiochromic film and a preparation method thereof. The preparation method comprises the following steps: dissolving white tungstic acid in aqueous hydrogen peroxide liquor to prepare peroxide tungstate liquor; coating the peroxide tungstate liquor on an electric conductive face of a clean electric conductive substrate; dissolving tungstate in alcohol to form precursor liquor, fixing the electric conductive substrate in a reaction kettle, adding the precursor liquor into the reaction kettle, carrying out a reaction at 150-250 DEG C for 8-16 hours, and taking out and carrying out thermal treatment at 300-450 DEG C for 1-3 hours to obtain a tungsten trioxide nanowire array; and mixing aniline and dilute sulphuric acid to form electrolyte for preparing polyaniline and carrying out electro-polymerization on polyaniline to obtain the tungsten trioxide / polyaniline core-shell nanowire array radiochromic film. The preparation process is convenient to control, lower in preparation cost and easy to realize industrialization. The film has the advantages of large spectrum adjustment range, abundant radiochromic types, high coloring efficiency, fast response speed, long cycle life and the like.

The invention discloses a textile deepening agent and a preparation method thereof. The textile deepening agent comprises the following steps of: 1) mixing nano silica, a silicane coupler and alcohol, and reacting for 16-30 hours at a temperature of 10 DEG C to 35 DEG C to obtain silicane coupler modified nano silica solution; 2) using methyl methacrylate to displace alcohol, adding butyl acrylate, hexadecane and water, after uniformly mixing, mixing with dodecy sodium sulfate water solution, and obtaining emulsion after the mixture is dispersed; and 3) under the protection of protective gas, increasing a temperature of the emulsion to 50 DEG C to 90 DEG C, adding potassium peroxydisulfate water solution, initiating a polymerization reaction, and obtaining the textile deepening agent after reacting for 2-4 hours at the temperature of 50 DEGC to 90 DEG C. The preparation method is simple, is easy to implement, and is easy to be applied in the industrialized large-scale production. The invention further discloses a textile deepening agent, a silica particle is connected with a polymer through the surface silicane coupler, so that the coloring efficiency of a dye is increased, a color of dyeing textile is deepened, and the textile is provided with a remarkable washing resistant property.

The invention relates to a method for preparing a vertically aligned tungsten oxide nano structural electrochromic film. The method comprises the following steps of: 1) dissolving tungstic acid in a mixed solution of hydrogen peroxide and water, heating until tungstic acid is fully dissolved, and cooling to obtain transparent sol; 2) coating the obtained transparent sol on the surface of fluorine-doped tin oxide (FTO) conducting glass which is subjected to ultrasonic washing in a spinning way, and calcining to obtain the FTO conducting glass with a tungsten oxide crystal seed layer; and 3) preparing a reaction solution containing the transparent sol, hydrochloric acid, urea and solvent, immersing the obtained FTO conducting glass with the tungsten oxide crystal seed layer in a hydrothermal kettle in which the reaction solution is filled, preserving heat at the temperature of between 150 and 180 DEG C for 6 to 12 hours, naturally cooling to room temperature, washing and drying to obtain the vertically aligned tungsten oxide nano structural electrochromic film. A preparation process is simple and low in cost; by the method, the electrochromic properties such as color change speed, coloration efficiency, cycling stability and the like of the film are effectively improved; and the method has the industrial application prospect in the aspect of preparing the film on the surface of the glass.

The invention relates a preparation method of an electrochromic film having a photonic crystal structure. The preparation method solves the problem that the existing electrochromic material has irreversibility so that material reflectivity is not improved and solar absorptance is not reduced. The preparation method of the electrochromic film having a photonic crystal structure comprises the following steps of 1, base material surface treatment, 2, colloidal solution preparation, 3, film-type colloidal crystal template preparation, 4, solution preparation, 5, electrode preparation and 6, film electrochemical preparation. A polyaniline photonic crystal film having an inverse opal structure and prepared by the preparation method has excellent electrochromism response performances. The preparation method can be used for the field of preparation and production of the electrochromic film having a photonic crystal structure.

The invention discloses a printing and dyeing process which comprises the following steps: (1) preprocessing; (2) dyeing, namely putting a preprocessed fabric into a dyeing solution, heating the dyeing solution to 45-55 DEG C at speed of 1-2 DEG C / min, and keeping the temperature for 20-40 minutes; adding sodium chloride, heating to 60-70 DEG C at the speed of 1-2 DEG C / min, and keeping the temperature for 20-40 minutes; adding sodium carbonate, heating to 80-90 DEG C at speed of 0.2-1 DEG C / min, and keeping the temperature for 20-40 minutes; finally cooling at the speed of 1-2 DEG C / min to finish the dyeing process; (3) post-processing. According to the printing and dyeing process, the dye-uptake rate and the dye-uptake process are adjusted to be optimal through controlling temperature ranges in the dyeing process, so that a printed and dyed product is good in dyeing uniformity and high in color fastness. The printing and dyeing process is simple, can realize large-scale industrialization production and bring good economic benefits to enterprises, and has a wide prospect.

The invention discloses a manufacturing method of polyvinylidene difluoride special-purposed white master batches for a solar-energy backboard membrane. According to the invention, polyvinylidene difluoride, polymethyl methacrylate and inorganic titanium pigment are adopted as raw materials; low-molecular-weight polyethylene wax and a fluorine-containing active dispersant are adopted as a dispersant and a surface modifier for the inorganic titanium pigment; the materials are subject to high-speed mixing and dispersion; the mixture is subject to extrusion granulation by using a double-screw extruder, such that a finished product is obtained. The special-purposed coloring master batches provided by the invention are advantaged in that: coloring capacity of the titanium pigment is high; dispersion uniformity of the titanium pigment in a membrane product is high; the cost is low; and the preparation technology is simple. The method has a good application prospect in the field of solar-energy backboard membrane processing.

The invention relates to a method for preparing a nickel oxide electrochromic film by a hydrothermal method. The method comprises the following steps of: dissolving nickel acetate tetrahydrate in a mixed solution of alcohol and n-butyl alcohol, dropwise adding ammonia water to the mixed solution after the nickel acetate tetrahydrate is dissolved to obtain sol; coating the sol to the surface of FTO (Fluorine-doped Tin Oxide) conductive glass in a rotary manner, drying the sol to obtain the FTO conductive glass with a crystal seed layer; mixing the nickel acetate tetrahydrate, urea and a solvent to obtain a reaction solution; immersing the FTO conductive glass with the crystal seed layer to the reaction solution for carrying out hydrothermal reaction; keeping the reaction solution for 6 hours to 12 hours under the condition of 160 DEG C to 180 DEG C, cooling the reaction solution to the room temperature, cleaning, drying and roasting to obtain the nickel oxide electrochromic film. The preparation method disclosed by the invention is simple, low in cost and likely applied to the glass surface film-making industry. The nanometer structure nickel oxide film directly grows on the surface of the FTO conductive glass by a hydrothermal method, so that the nickel oxide and the substrate have better binding force for being beneficial to electron conduction. Meanwhile, the electrochemical stability of the film is also improved.

The invention relates to a bifunctional device based on tungsten trioxide and prussian blue. A tungsten trioxide film serves as a cathode, a prussian blue film serves as an anode, and an electrolyte is filled between the cathode and the anode, so that the bifunctional device is formed. The bifunctional device has electrochromism and capacitive performance, and the energy storage level of the bifunctional device can be visually displayed by color change. The device disclosed by the invention can serve as an electrochromism device and can also serve as a capacitor device, and is a bifunctional device with electrochromism and capacitive performance.

The invention discloses an electrochromic material based on electrically induced acid effect and an electrochromic device prepared from the electrochromic material. The electrochromic material based on the electrically induced acid effect is prepared by mixing electrochromic molecules and electrolyte; the electrochromic material based on the electrically induced acid effect is used for preparing the electrochromic device; the structure of the electrochromic device is composed of a first electrode, an electrochromic medium, an ion exchange membrane, auxiliary medium and a second electrode. According to the electrochromic material disclosed by the invention, an electrically induced acid part and an acid response part are connected with a molecule, then the coloring efficiency of the electrochromic material served as the electrochromic device can be improved, and the response speed of the electrochromic device also can be increased. After proton being transferred, since the protonated acid response part is connected with a proton donor part of the electrically induced acid through a covalent bond, the acid response part and the proton donor part do not diffuse away from each other, then the proton recovery can be accelerated, namely the color fading speed of the electrochromic device is increased.

The invention discloses silicon-dioxide antireflection coating liquid, a preparation method of the silicon-dioxide antireflection coating liquid and application of the silicon-dioxide antireflection coating liquid in polyester fabrics. The preparation method is simple, easy, mild in condition and easy to control, and the solid content of the prepared antireflection coating liquid is high. The preparation method comprises the following steps: adding a silicon-dioxide aqueous dispersion liquid which is sold on the market, and a silane coupling agent into alcohol so as to obtain a reaction liquid, adjusting the pH value of the reaction liquid to 3-8, rising the temperature to 20-50 DEG C, and reacting for 12-40 hours so as to obtain the nano-silicon-dioxide antireflection coating liquid with the alcoxyl groups on the surface finally. The prepared silicon-dioxide antireflection coating liquid with the alcoxyl groups on the surface can be used for deepening finish of one polyester fabric, and an antireflection film with a nanoporous structure is built on the surface of the fabric, so that the fabric has the rich-color effect, the deepening durability is improved and the hygroscopicity and the wearing comfort of the fabric are not changed.

The invention discloses an ultrafast-response overcharge-prevention electrochromic device and a preparation method thereof. The ultrafast-response overcharge-prevention electrochromic device comprisesa first transparent electrode, an ionic conduction layer, an organic electrochromic layer, an inorganic electrochromic layer and a second transparent electrode which are arranged in a sequentially laminated way. The ultrafast-response overcharge-prevention electrochromic device has the following beneficial effects that (1) the ionic conduction layer has the great pore diameter and is provided with many pore passages and facilitates positive ion transmission, so that the response speed of the device is accelerated; (2) the cooperative action of a plurality of positive ions is realized in the electrochromic process of the electrochromic device, so that the device has very high regulation capability; (3) in the ultrafast-response overcharge-prevention electrochromic device, a resin layer perse has good insulation capability, so that the electricity leakage can be prevented without adding an electron blocking layer; and (4) the wetting performance of a solid-liquid interface is better than that of solid-solid interface contact, so that the steric hindrance between interfaces is reduced, and the very high coloring efficiency is realized.

The invention relates to a thin film and a preparation method therefor, and provides an electrochromic multi-layered transparent conductive thin film and a preparation method therefor. The multi-layered transparent conductive thin film comprises a substrate, a first WO3 thin film layer, an Ag conductive layer, a W buffer layer and a second WO3 thin film arranged from upper to lower in sequence; the preparation method comprises the steps of preparing the first WO3 thin film layer on the substrate through a reactive sputtering method; then preparing the Ag conductive layer and the W buffer layer on the surface of the first WO3 thin film layer through a direct current sputtering method and a magnetron sputtering method separately; and finally preparing the second WO3 thin film layer on the surface of the W film layer through the reactive sputtering method. The multi-layered transparent conductive thin film structure and the preparation process are optimized to prepare the electrochromic multi-layered transparent conductive thin film through the sputtering method; and the thin film has the advantages of high transmittance within a visible light range, high conductivity, large adjustment range for the visible light transmittance, high coloring efficiency, high cycling stability, environment friendliness and the like.

The invention relates to a preparation method of a quasi-solid electrochromic device. The device consists of a first substrate, a first transparent conductive layer, an electrochromic layer, an ion transmission layer, an ion storage layer, a second transparent conductive layer and a second substrate sequentially. The preparation method comprises the following steps: (1) preparing the first functional substrate; (2) preparing the second functional substrate; (3) preparing the ion storage layer; (4) performing alignment heating and laminating; (5) removing bubbles by a high-pressure kettle; and (6) gluing frames. The preparation method of the quasi-solid electrochromic device has the advantages of simple method, low investment cost, high quality controllability of finished products, and high color-changing uniformity, and can realize large-area industrialized production.

The invention relates to a preparation method for a self-seed-growing nest-like tungsten oxide hydrate nanostructured electrochromic film. The method comprises the following steps: (1) dissolving tungstic acid in hydrogen peroxide, carrying out heating until tungstic acid is completely dissolved and then carrying out cooling so as to obtain a transparent sol; and (2) diluting the transparent sol, preparing a reaction solution from the diluted transparent sol, hydrochloric acid, deionized water and glycol, then soaking FTO conductive glass cleaned with ultrasonic waves into a hydro-thermal kettle filled with the reaction solution, maintaining a temperature, then carrying out natural cooling to room temperature, carrying out cleaning with water and ethanol and then carrying out drying. The preparation method has the advantages of easiness, conservation of time and low cost. The self-seed-growing nest-like tungsten oxide hydrate nanostructured electrochromic film can eliminate crystal boundary obstructions, accelerate electron transport, improve electron transport efficiency and effectively enhance electrochromic performance like the electrochromic speed, coloring efficiency and cycling stability of the film, and has industrial application prospects in film formation on the surface of glass.

The invention provides a tungsten trioxide nano bowl electrochromic material and a preparation method thereof, and belongs to the technical field of electrochromic films. The electrochromic material has a hierarchical porous structure, the tungsten trioxide nano bowl electrochromic material takes FTO conductive glass as a substrate, the surface of the substrate sequentially wraps a bottom layer and an outer layer, crystalline tungsten trioxide is used as the bottom layer, and amorphous tungsten trioxide is used as the outer layer, the outer layer is in a porous structure and comprises independent dispersed micro-region crystalline structures, and tungsten trioxide crystal nuclei with the diameter of 2-5 nm are distributed on the outer layer. According to the tungsten trioxide nano bowl electrochromic material and the preparation method thereof, the combination of crystalline and amorphous tungsten trioxide on a nano scale is achieved, the electrochromic performance is greatly improved,complementary advantages are achieved, the specific surface area of the nano bowl electrochromic material is increased, the kinetic process of the electrochromic reaction is obviously enhanced, so that the electrochromic performance is improved.

The invention discloses an electrochromic polymer material based on a combined strategy and preparation of an electrochromic device. The electrochromic polymer material based on the combined strategyis formed by mixing an electrochromic polymer and electrolyte. The electrochromic device is prepared by the electrochromic polymer material based on the combined strategy. A structure of the electrochromic device is composed of a first electrode, an electrochromic medium, an ion exchange membrane, an auxiliary medium, and a second electrode. The coloring efficiency and coloring contrast ratio of the electrochromic device are improved, the response speed of the electrochromic device is accelerated, and the time of bistable state display is prolonged; and the electrochromic polymer material based on the combined strategy has the advantages of color adjustability and excellent circulation reversibility.

The invention discloses an aniline oligomer derivative with electrochromic property and a preparation method thereof. A class A electrochromic material obtained by the method is a linear aniline oligomer derivative with aniline oligomer in the middle and amino and carboxyl groups respectively at two ends, and the class A electrochromic material is obtained by reacting dicarboxylic anhydride with an aniline oligomer. A class B electrochromic material is a three-arm star-type aniline oligomer derivative and is prepared by reacting a triphenylamine homolog as a intermediate with the a class A linear aniline oligomer derivative; a class C electrochromic material is a three-arm star-type block aniline oligomer derivative prepared by introducing a polyethylene glycol ether chain into the obtained class B three-arm star-type aniline oligomer derivatives, and is a block copolymer with an electrochromic hard segment and an ionic conduction soft segment. The obtained class C three-arm star-type block aniline oligomer derivative also has outstanding characteristics of electrochromic and ion conduction functions, and can solve the problem of microphase separation of an electrochromic layer and ionic conductor layer of a conventional electrochromic device.

The invention relates to the field of coloring of structural colors of flexible mediums and provides a structural color preparation device and method for a flexible medium. The device comprises a primary coating system and a fine processing system, the primary coating system comprises a first electrostatic generator unit and multiple spray nozzle assemblies and is used for alternately spraying andcoating TiO2 liquid mist with positive charges and SiO2 liquid mist with negative charges on the surface of fabric, and photonic crystal even-thickness thin film is formed on the surface of the fabric to obtain primary coated fabric; the fine processing system comprises a computer, a control module, a second electrostatic generator unit and multiple spray nozzle assemblies, the control module sprays TiO2 aqueous solution droplets and SiO2 aqueous solution droplets on the surface of the primary coating fabric according to signals transmitted by the computer, photonic crystal layers with different thicknesses are formed on the surface of the primary coated fabric, and accordingly coloring of colorful structural colors of the fabric is achieved. The device is high in efficiency, due to participation of the positive charges and the negative charges, bonding of all coatings is more compact, and the coatings do not easily fall off.

The invention relates to the technical field of denture processing, and particularly discloses a method for dyeing and glazing a denture by using a printer and a diaphragm, and the denture. The methodfor dyeing and glazing the denture by using the printer and the diaphragm comprises the following steps of printing multiple liquid pigments on the diaphragm by using the printer to form a pigment coating on the surface of the diaphragm, wherein the color of the pigment coating is the color difference between the color of the teeth in the oral cavity of a patient and the color of the denture to be colored; performing sequentially coating on the pigment coating on the diaphragm and transparent glaze on the denture to be colored to prepare a colored denture; and performing sintering on the colored denture in an oven to obtain the finished denture. According to the method for dyeing and glazing the denture by using the printer and the diaphragm, the liquid coating can be directly printed onthe diaphragm through the printer according to the color difference between the color of teeth in the oral cavity of a patient and the color of the denture to be colored, and the liquid coating and the transparent glaze are sequentially coated on the surface of the denture and then sintered, so that manual toning is avoided; and the denture coloring efficiency can be effectively improved.

The invention discloses a photographing device based on a high-stability light transmittance adjustable function. An electrochromic device is installed on the camera surface of the photographing device, and the current of the electrochromic device is adjusted to adjust the light transmittance of the camera through the electrochromic principle, the light transmittance of the camera can be adjusted according to different ambient brightness to optimize the photographing effect. In addition, the electrochromic device adopts a solid complementary structure, the electrochromic material respectively comprises tungsten oxide and nickel oxide, the structure and the material preparation process are optimized to improve the sensitivity and the coloration efficiency of the device, the discoloration and fading rates are fast, the light transmittance of the photographing device in a coloration state is greatly reduced, the adjustment range of the light transmittance is increased, a continuous and fast adjustable function of the photographing device is realized, and the photographing device is simple and convenient to use, thereby being conducive to industrial production.

The invention discloses a coloring device for a 3D (Three Dimensional) printing model. The coloring device comprises a mixing device, a moving device, a spraying device and a drying device, wherein the mixing device comprises a pigment box and a guide pipe; one side face of the pigment box is connected with the top of the moving device; the pigment box is provided with a plurality of pigment regions; outlet ends of the pigment regions are connected with a mixing cavity; a motor is arranged in the mixing cavity; a rotary shaft of the motor is fixedly provided with a stirrer; the lower end of the mixing cavity is connected with one end of the guide pipe; the other end of the guide pipe is connected with the spraying device; spraying nozzles, which are uniformly distributed, are arranged at the lower end of the spraying device; a fixed rod is arranged at one side of the outer part of the spraying device; the spraying device is connected with the outer side of the bottom of the moving device through the fixed rod; the outer side of the spraying device is connected with the drying device; an air outlet of the drying device is aligned to the spraying nozzles. According to the coloring device disclosed by the invention, pigments are uniformly mixed in the mixing cavity through the stirring of the stirrer and a blended color has uniform color and luster; the pigments which are uniformly blended are sprayed on the 3D model through the spraying nozzles which are uniformly distributed on the spraying device, so that the 3D model is uniformly colored.

The invention provides a semitransparent polymer solar cell having a gaschromic function and a preparation method thereof and belong to the technical field of organic optoelectronic devices. From bottom to top, the solar cell consists of an ITO conductive glass cathode, a PFN cathode buffer layer, a PTB7-Th:FOIC active layer, a MoO3 anode buffer layer, a Ag anode and a WO3 / Pt gaschromic structurallayer. An active layer acceptor material FOIC has the very strong light absorption from a visible light area to a near-infrared area (600-950nm) and has the high electron mobility of 1.2*10-3cm2V-1s-1, extinction coefficient can be as high as 2*105 m-1 cm-1, and a low band gap is 1.32 eV. A WO3 film has strong absorption in the infrared and visible wave bands of a solar spectrum in a colored state and is combined with a semitransparent polymer solar cell device, the capability of absorbing light in the visible and infrared area of the device is remarkably enhanced under the hydrogen introduction condition, and accordingly the purpose of improving photoelectric conversion efficiency is achieved.

The invention belongs to the technical field of electrochromic materials, and discloses an electrochromic material and an electrochromic device based on dynamic metal-ligand complexation. The electrochromic material is formed by mixing metal ions, the electrochromic material and an electrolyte, the electrochromic device is designed based on the dynamic metal-ligand complexation, and the structureof the electrochromic device is divided into a liquid electrochromic device structure and a solid electrochromic device structure. The liquid electrochromic device structurally comprises a first electrode, an electrochromic medium and a second electrode. The solid electrochromic device structurally comprises a first electrode, an electrochromic medium, an ion exchange membrane, an auxiliary mediumand a second electrode. The electrochromic material and the electrochromic device realize adjustable full-visible spectrum and high contrast, and have the advantages of high coloring efficiency, quick electrochromic response, excellent cycle reversibility, ultralow cost and simple preparation process.

The invention discloses a liquid ceramic waterproof anti-corrosion novel material for a water park and swimming pool and a preparation method of the liquid ceramic waterproof anti-corrosion novel material. The liquid ceramic waterproof anti-corrosion novel material is composed of the following raw materials: in parts by weight, epoxy resin, bismaleimide resin, an allyl compound, nano ceramic powder, a thixotropic agent, environment-friendly pigment, inorganic filler, a curing agent, white corundum micro-powder, glutinous rice powder, liquid silicone rubber, cellulose ether, explosion-proof fiber, stone powder, polyacrylate, waterborne polyurethane, organosilicone, a dispersant, a water reducing agent, a leveling agent, a preservative and a stabilizer. The liquid ceramic waterproof anti-corrosion novel material has the advantages of ecologically environmental protection, no VOC emission, no toxicity and flame retardancy, and the nano ceramic-modified epoxy resin composite material obtained through a nano ceramic modification technology has good mechanical properties, wear resistance and hardness; under the action of scouring and mechanical force of high-speed air flow and water flow, no phenomena of cracking or falling off happen to the water park and swimming pool during use, and direct coating can be performed on surfaces of dry or wet concrete, so that convenient constructionand operation is achieved, the work efficiency is improved, and the project quality is ensured.

The invention relates to a dye grinding device, in particular to a dye grinding device for leather dyeing. According to the technical problem to be solved, the dye grinding device for leather dyeing is provided. In order to solve the technical problem, the dye grinding device for leather dyeing is provided, and comprises a support, a first bearing pedestal, a first rotating shaft, a first small belt pulley, a first flat belt, a second bearing pedestal, a second rotating shaft, a second small belt pulley, a box body and the like. A grinding body is arranged in the middle of the right side wall of the interior of the support, first penetrating holes are formed in the middle of the top and the middle of the bottom of the grinding body, and first sealing rings are arranged in the first penetrating holes. A grinding box is arranged inside the grinding body, and a first rubber guide sleeve is arranged in the middle of the top of the grinding box. The dye grinding device for leather dyeing achieves the effects that dye grinding operation is more sufficient and more thorough, and ground dye is fine and smooth, the dye coloring efficiency is improved, the phenomenon that due to the fact that dye is coarse, leather is damaged is avoided, the dye recovery efficiency is high, and the grinding efficiency is high.

The invention relates to a hair-coloring elastin composition as well as a preparation method and a using method thereof. The hair-coloring elastin composition is prepared from water and the following raw material components in percentage by weight: 1-20% of pigments, 1-30% of film forming agents, 0.1-10% of hair protecting and conditioning agents, 0.2-3% of emulsifying agents and 0.1-3% of thickening agents, wherein the film forming agents are selected from one or more of acrylic (ester) copolymers, polyurethane-14 / acrylic (ester) copolymers AMP salts; the pigments are cosmetic-grade coatings. The hair-coloring elastin composition is capable of uniformly and completely covering the whole hair at 360 degrees and is conveniently removed; the hair-coloring elastin composition can be removed by using hair shampoos with surfactants; the original hair color can be restored; the colors can be conveniently dyed, removed and replaced according to the requirements; the hair-coloring elastin composition can achieve one-time temporary coloring, has good hair protecting and coloring effects, and is free of strong shaping effect; the colored hair style is natural and smooth.

The invention discloses an efficient dyeing device for producing textiles. The efficient dyeing device comprises a dyeing box, heating plates are fixedly connected on the inner walls of the dyeing box, a sliding groove is formed in the inner wall of the left side surface of the dyeing box, a through groove is formed in the inner wall of the right side surface of the dyeing box, the sliding grooveand the through groove are formed above the heating plates, a device box is fixedly connected on the right side surfaced of the dyeing box, and one end of the through groove is communicated with the inside of the device box. A gear groove is formed in the lower surface of a connecting rod, so that a second bevel gear can push the connecting rod to move when a servo motor drives a first bevel gearto rotate, a cross rod can effectively drive a clamping plate to move, the textiles swing in the dyeing box, dyeing liquid can oscillate in the dyeing box, the textiles sufficiently contact with the dyeing liquid and are rapidly colored, coloring of the textiles is effectively accelerated, production efficiency is improved, and higher economic benefits are created for enterprises.

The invention provides a method for supplementing carotenoid of animal body by drinking water, which comprises the following steps: (1) making flavochrome and / or haematochrome into microcapsule dry powder or particulates; (2) mixing the microcapsule dry powder or particulates in proportion, dissolving in water to prepare colorant water solution; (3) and giving the prepared colorant water solution to animal for taken. Comparing with current common methods the method for supplementing carotenoid of animal body of the present invention achieves the advantages of easily absorption, saved colorant amount, high coloring efficiency, coloring stability and less influence to the colorant by processing.