50 results about "Cellulose triacetate" patented technology

Described herein are liquid crystal (LC) assemblies that are dimmable and techniques for manufacturing LC assemblies. Example LC assemblies are described that include a flexible substrate, a twisted nematic liquid crystal, a polarizer with cellulose triacetate and an ultraviolet blocker, a polycarbonate layer, polyvinyl butyral as a connecting layer, or any combination of these features. A flexible substrate can permit an LC assembly to be applied to a window or other rigid surface, even if the surface has a three-dimensional curvature. LC assemblies featuring Guest-Host or vertical alignment configurations are also described. In some embodiments, a dimmable LC assembly is provided as part of a kit including a control unit adapted to electrically connect to the LC assembly via a cable. Both the LC assembly and the control unit can be mounted to a window or other rigid surface. The control unit can be powered using a photovoltaic cell.

The disclosure provides leather articles and a method for making leather articles comprising a substrate and a coating comprising a cellulose derivative having improved colorfastness to rubbing. The cellulose derivative may be methyl cellulose, ethyl cellulose, ethyl methyl cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxyethyl methyl cellulose, hydroxypropyl methyl cellulose, ethyl hydroxyethyl cellulose, cellulose acetate, cellulose triacetate, cellulose propionate, cellulose acetate propionate, cellulose acetate butyrate, microcrystalline cellulose, cellulose nitrate, or cellulose sulfate.

The invention relates to the technical field of batteries, in particular to a composite solid electrolyte membrane and a preparation method and application thereof. The composite solid electrolyte membrane comprises the following layers which are stacked in sequence: a first membrane layer which comprises a polymer, a solid electrolyte and a lithium salt; the second film layer comprises a polymer, a solid electrolyte and a lithium salt; the third film layer is an interface layer; wherein the solid electrolyte content and the lithium salt content of the second film layer are both higher than the solid electrolyte content and the lithium salt content of the first film layer, and the polymer is formed by polymerizing raw materials including cellulose triacetate (TCA) and polyvinylidene fluoride-hexafluoropropylene (PVDF-HFP). The composite solid electrolyte membrane has improved high temperature resistance and good ion transmission performance.

The utility model discloses a high-refraction polarized hard film lens, which comprises a PVA (Polyvinyl Alcohol) hard film, and the thickness of the PVA hard film is 0.15-0.20 mm. The cellulose triacetate membrane layer is coated on the surface of the PVA hard membrane; the resin substrates are cured and formed on the two sides of the cellulose triacetate membrane layer; the plurality of light diffusion sunken units are formed on the front surface of the resin substrate through laser marking, and the light diffusion sunken units are annularly distributed; the organic silicon film layer is dip-coated on the surface of the resin substrate; the high-refractive-index film layer group is plated on the surface of the organic silicon film layer; and the indium tin oxide film layer is plated on the surface of the high-refractive-index film layer group. According to the utility model, the cellulose triacetate film layer is coated on the PVA hard film, so that the polarization effect is improved; the light diffusion sunken unit is marked by laser to form light diffusion, stray light is effectively reflected, and reflection reduction is achieved in cooperation with the high-refractive-index film layer set.

The present disclosure relates to the field of optical lenses, and in particular, to a lens with water resistance and an eyeglass. The lens with water resistance includes a substrate layer, an adhesive, and a polarized lens. The substrate layer is made of a polycarbonate film material, the adhesive is a light-curing resin adhesive, and is provided between the substrate layer and the polarized lens, so as to enable the substrate layer bonded to the polarized lens. In the lens with water resistance provided in the present disclosure, the polycarbonate film material is used as the substrate material instead of the conventional cellulose triacetate substrate material, and the light-curing resin adhesive is used instead of the conventional water-based adhesive, such that the problem of poor water waterproofness of polarized eyeglasses of the conventional multilayered laminating can be improved.

A cellulose microsphere adsorbent and a preparation method thereof, belonging to the technical field of cellulose microsphere preparation. Cellulose triacetate or diacetate is used as a raw material to prepare a cellulose acetate solution; then an oil phase porogen and an oil phase surfactant are added, and after uniform mixing, a clear and transparent cellulose mixed solution is obtained, which is then added to an aqueous solution of hydrophilic polymers such as polyethylene glycol and polyvinyl alcohol to disperse the oil phase and form cellulose droplets; after evaporating the solvent, the cellulose acetate microspheres are filtered, washed with water and sieved to obtain cellulose acetate microspheres, which are then hydrolyzed in a NaOH solution and washed thoroughly with water to obtain a cellulose microsphere adsorbent. In the static adsorption experiment of β2-microglobulin, the cellulose microsphere adsorbent of the present invention can achieve an adsorption rate of more than 90% for β2-microglobulin, which is harmful to the human body, while controlling the adsorption rate of total protein to less than 5% and the adsorption rate of albumin to less than 7%.

The invention discloses an anti-falling electro-atomization lens preparation method which comprises the following steps: S1, raw material preparation: raw material particles of cellulose triacetate are heated to a molten state in a vacuum environment; s2, injecting into a mold: injecting the molten liquid into the mold under high pressure; s3, curing and shaping: rapidly curing and shaping the liquid material in the mold through cooling or ultraviolet irradiation; s4, coating treatment: immersing the lens in a silicide or metal oxide solution, enabling the liquid to be uniformly attached in a centrifugal or soaking manner, and then curing through ultraviolet rays or heating, and S5, overlapping and fixing: fixing two lenses in a manner of clamping a liquid crystal diaphragm, so as to form the electro-atomization lens. According to the preparation method of the anti-falling electro-atomization lens provided by the invention, the impact resistance of the lens is improved by adopting a high-molecular polymer and corresponding process treatment, so that the lens has the characteristic of being not easy to break and is better suitable for teenagers to wear. The invention also provides a lens.

A coated fertilizer comprises a fertilizer granule; and a coating disposed on a surface of the fertilizer granule, wherein the coating comprises a poly(lactic acid); a second polymer comprising a poly(butylene succinate), a cellulose triacetate, or a combination comprising at least one of the foregoing; and a sealant. Methods of making the coated fertilizer are also disclosed.

The invention relates to an ultra-thin dye polaroid, a preparation method and an ultra-thin circular polaroid, and the ultra-thin dye polaroid comprises polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol and a dye dispersed in the polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol in a dissolving mode. According to the invention, dye is dissolved and dispersed in polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol, and the ultrathin dye polaroid is finally obtained through the steps of mixing, extrusion, coating, curtain coating, one-way calendering, stretching and drying. On one hand, a dissolving and dispersing mode is adopted, dye dispersion is more uniform, and the polarization degree and the light transmittance of all parts of the polaroid are guaranteed; on the second aspect, the polaroid does not need to be clamped and fixed by a cellulose triacetate film, so that the thickness of the polaroid can be further reduced; and thirdly, the retarder is compounded on the ultrathin dye polaroid, so that the purpose of manufacturing the ultrathin circular polaroid is achieved.

A dichloromethane-free wet spinning process for producing cellulose triacetate fiber with a silk factor greater than 8.0. A dichloromethane-free cellulose triacetate dope comprising dimethylacetamide is wet spun into a coagulation bath which is controlled to a temperature ranging from 20° C. to 40° C. and comprising dimethylacetamide and water. A jet draw stretching ratio ranging from 0.3 to 1.4 is applied to the wet spun CTA fibers which may also be subjected to one or more post jet draw stretching steps. During drying, the CTA fibers are partially or completely shrunk. This process enables CTA fiber(s) having a silk factor greater than 8.0 to be produced without using dichloromethane and without the energy costs associated with other processes that requiring lower or higher coagulation bath temperatures.

The invention relates to the technical field of fibers, and discloses a cellulose acetate composite fiber and a preparation method and application thereof in yarns, the cellulose acetate composite fiber comprises polyacrylonitrile, cellulose triacetate and cyano ester polyquaternium according to a ratio of (65-80) g: (20-35) g: (3-8) g; the compatibility between the cellulose triacetate and the polyacrylonitrile is improved by the cyano ester polyquaternium, and the breaking strength and the breaking elongation of the composite fiber are remarkably improved. The cyano ester polyquaternary ammonium salt contains a large number of antibacterial quaternary ammonium salt groups and is uniformly dispersed in matrixes of cellulose triacetate and polyacrylonitrile, so that more antibacterial sites are provided, the antibacterial property of the fiber is remarkably improved, and the antibacterial property of the fiber is remarkably improved.

The invention belongs to the technical field of water treatment membranes, and particularly relates to a spiral-wound membrane grid material as well as a preparation method and application thereof. A preparation method of a spiral-wound membrane grid material comprises the following steps: S1, dissolving cellulose triacetate in a solvent to form a cellulose triacetate solution, dissolving polyethylene glycol in deionized water to form a polyethylene glycol solution, mixing the cellulose triacetate solution and the polyethylene glycol solution, adding an emulsifier, and carrying out emulsification treatment to obtain an emulsion, performing electrostatic spinning on the emulsion to form a fiber membrane on a supporting grid, and performing vacuum drying to obtain a composite membrane; s2, washing the composite membrane with deionized water, and soaking the composite membrane in a modification liquid for post-treatment to obtain a porous composite membrane; s3, the porous composite film and the porous grid are alternately stacked and subjected to hot pressing combination, then winding forming is conducted, and a roll type film grid material is obtained; the spiral-wound membrane grid material has high porosity and good desalination rate, and can be applied to the fields of separation, filtration or catalysis and the like.

A screen protective film is described that is configured to be peelably attached to an optical coating on a glass-containing display of an electronic device. The protective film comprises: a glass-containing substrate comprising an outer major surface and an inner major surface; an anti-reflection (AR) coating on the outer major surface; and an intermediate layer on the interior major surface for peelable attachment to an optical coating on a display. The intermediate layer includes an adhesive, has a physical thickness of about 10 [mu] m to 500 [mu] m, and one or more refractive indices of about 1.2 to 1.6. In addition, the average photopic reflectance of the screen protection film may be less than 2% for all incident angles from 0 DEG to 30 DEG. The intermediate layer may include an optically clear adhesive (OCA) layer, a polymer-containing layer, and a peelable adhesive layer. A shatterproof (AS) film may be between the intermediate layer and the substrate. The intermediate layer and / or the AS film may be a cycloolefin, cellulose triacetate, or polyurethane.

The utility model relates to the field of optical lenses, in particular to a polarized glasses lens which comprises a first coating layer, a first reinforcing layer, a polarized layer, a color layer, a light conversion layer, a second hardening layer and a second coating layer which are sequentially arranged in a stacked mode in the light incidence direction. The first reinforcing layer adopts a specific film and is bonded through optical transparent ultraviolet curing, the polarization layer is a linear polarizer with a specific structure and forms a certain included angle with the light conversion layer, the color layer is a blue light, color light and other light filtering layer, and the light conversion layer adopts a cellulose triacetate film subjected to uniaxial stretching treatment. The second hardening layer is an ultraviolet curing resin layer, and the second coating layer is an anti-reflection and anti-reflection film layer so as to improve light transmittance and reduce reflection. Various technical effects of resisting reflection, enhancing the strength of the lens, realizing a polarization function, filtering blue light, converting a light polarization state, depolarizing and the like are achieved.

An environmentally friendly, low-leaching cellulose triacetate (TAC) membrane comprises a three-layer or higher laminated structure. The raw materials include cellulose, plasticizer, leaching-resistant UV absorber, leaching-prone UV absorber, and organic solvent. The preparation method is as follows: S1, preparing a steel strip layer, an intermediate layer, and an air layer for the TAC membrane, forming corresponding sizing solutions; S2, extruding the three-layer sizing solutions and evenly spreading them onto a stainless steel strip to form a liquid film, which is then formed through multi-layer casting. The liquid film is placed in a drying oven for preliminary drying, and when its moisture content reaches 25 wt%, it is peeled off from the steel strip and enters the transition and post-drying stages; S3, edge trimming, balancing, embossing, and winding yield the TAC membrane. This invention employs a multi-layered, differentiated layout of UV absorbers and precise process control, significantly reducing UV absorber leaching; it uses an environmentally friendly UV absorber system with low halogen content; the raw materials are readily available and low-cost; the process is compatible with existing production lines and is easy to mass-produce.

The utility model discloses a triacetyl cellulose vibration drainage device in the field of cellulose production technology. The triacetyl cellulose vibration drainage device comprises a screen box, a vibration motor and a bracket. The screen box is connected to the bracket through an elastic member. The outside of the screen box is connected to the vibration motor. A screen is arranged inside the screen box. The screen is inclined relative to the horizontal plane. A feed port is arranged above the side where the screen is in a high position. A discharge port is also provided at the bottom of the screen box. The discharge port is arranged on the side where the screen is in a low position, so that the triacetyl cellulose moves toward the discharge port under the action of vibration and gravity. The present application provides a triacetyl cellulose vibration drainage device, comprising a screen box and a vibration motor. A screen is arranged inside the screen box. The screen is inclined relative to the horizontal plane. When in use, the triacetyl cellulose moves toward the discharge port under the action of vibration and gravity, and drainage is achieved during the movement. Compared with screw drainage, it has the advantages of low cost in both the investment and maintenance stages, and less energy consumption.

The present patent of invention relates to an innovative composition with excellent non-flammable and self-extinguishing properties for composite materials, from which many useful molded materials can be produced, and also to the provision of inorganic compounds coated with an inert material, defined as a material that does not exhibit reactivity with the inorganic compounds. The present invention provides organic materials and, more particularly, relates to highly polymeric materials having excellent fire-retardant properties, such as those employed in the manufacture of molding and extrusion compositions, film sheets, fibers, textiles, papers, surface or coating compositions, impregnating agents, solid forms, rubbers, and the like. The invention may also be applied especially to wet-spun and dry-spun fibers, such as acrylic fiber, polyvinyl alcohol fiber and viscose rayon, and melt-spun fibers, such as nylon, polyester fiber, and other fibers, such as di- or triacetate cellulose fibers. The invention is also applicable to plastics and films, by adding said inorganic compounds prior to molding. Another noteworthy feature of this invention is that when, for example, fibers produced by the process are ignited, no toxic gas is generated before the fire is extinguished.

A laminated pane includes first and second panes, a layer stack arranged therebetween including a first thermoplastic intermediate layer, a separating layer, a photopolymer layer with at least one holographic element, a carrier layer, and a second thermoplastic intermediate layer, wherein the photopolymer layer has a thickness of 5 μm to 50 μm, the carrier layer contains polyethylene terephthalate (PET), polyethylene (PE), polymethyl methacrylate (PMMA), polycarbonate (PC), polyamide (PA), polyvinyl chloride (PVC), and / or cellulose triacetate (TAC) and has a thickness of 20 μm to 100 μm, wherein the carrier layer is arranged directly adjacent the photopolymer layer, and the separating layer contains polyethylene (PE), polyvinyl chloride (PVC), and / or polymethyl methacrylate (PMMA) and has a thickness of 10 μm to 300 μm.

The invention provides a homogeneous preparation method of cellulose triacetate, which comprises the following steps: S1, dissolving cellulose in a eutectic solvent under the condition of supercritical carbon dioxide to obtain a homogeneous cellulose solution; s2, adding acetic anhydride and a dehydrating agent into the homogeneous cellulose solution, and carrying out esterification reaction under the condition of supercritical carbon dioxide; and S3, after the reaction is finished, precipitating the reaction liquid, and purifying and drying the obtained precipitate to obtain the cellulose triacetate. The method has the characteristics of uniform reaction, high efficiency and environmental protection.

The invention relates to an ultra-thin iodine polaroid, a preparation method and an ultra-thin circular polaroid, and the ultra-thin iodine polaroid comprises polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol and iodine and / or potassium iodide dispersed in the polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol in a dissolving manner. According to the invention, iodine and / or potassium iodide are / is dissolved and dispersed in polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol, and the ultrathin iodine polarizer is finally obtained through the steps of material mixing, distillation, extrusion, coating, curtain coating, one-way calendering, stretching and drying. On the first aspect, iodine and / or potassium iodide are dispersed more uniformly by adopting a dissolving and dispersing mode, so that the degree of polarization and the light transmittance of each part of the polaroid are guaranteed; on the second aspect, the polaroid does not need to be clamped and fixed by a cellulose triacetate film, so that the thickness of the polaroid can be further reduced; and thirdly, a retarder is compounded on the ultra-thin iodine polaroid, so that the purpose of manufacturing the ultra-thin circular polaroid is achieved.

The invention discloses a polymer film material for electron beam dose quantitative detection and a preparation method thereof, the polymer film material comprises a functional molecule and a film matrix material, the functional molecule is selected from one of 2, 2 '-dipyridyl, 4, 4'-bipiperidine and 4, 4 '-dipyridyl, and the film matrix material is cellulose triacetate. The functional molecule polymer film material is used as a dosimeter for quantitatively detecting the dose of electron beam irradiation, the measurement principle is that the absorbance of the functional molecule polymer film material is increased along with the increase of the dose of electron beam irradiation, and the absorbance can be measured by using an ultraviolet-visible spectrophotometer; and then the electron beam irradiation dose is calculated according to the absorbance. Compared with a conventional commercial radiation film dosimeter, the functional molecule polymer film material prepared by the invention has the advantages of simple synthesis method, low cost and the like, the linear dose detection range of the functional molecule polymer film material is as wide as 0.1-120 KGy, and the functional molecule polymer film material is an electron beam dose quantitative detection material with excellent performance.

This invention provides an anti-fogging, antibacterial, and antistatic coating, its preparation method, and its application. The anti-fogging, antibacterial, and antistatic coating comprises a substrate layer, an antistatic primer layer, and an anti-fogging and antibacterial coating. The substrate layer is thermoplastic polyurethane, polyethylene terephthalate, or cellulose triacetate. The antistatic primer layer comprises a dual-curing prepolymer, a reactive diluent, a first photoinitiator, a thermal initiator, an antistatic agent, and a first solvent. The anti-fogging and antibacterial coating comprises an allyl alkyl imidazole bromide prepolymer, modified inorganic particles, a hydrophilic UV prepolymer, a second photoinitiator, and a second solvent. It is obtained by preparing an antistatic coating liquid, an anti-fogging and antibacterial coating liquid, an antistatic primer layer, and an anti-fogging, antibacterial, and antistatic coating. The anti-fogging, antibacterial, and antistatic coating prepared by this invention can be used in the preparation of mirror protective layers and has good anti-fogging, antibacterial, and antistatic properties.

The utility model relates to the technical field of optical devices, in particular to a polaroid, a spectacle lens and a display. The polaroid comprises a first polycarbonate layer, a polyvinyl alcohol layer and a second polycarbonate layer, and the first polycarbonate layer, the polyvinyl alcohol layer and the second polycarbonate layer are sequentially stacked to form a sandwich structure. According to the polaroid, the structure of the polaroid is creatively designed into the sandwich structure of the polycarbonate layers, the polyvinyl alcohol layers and the polycarbonate layers, the polyvinyl alcohol layers play a role in polarization, and the two polycarbonate layers serve as base materials of the polaroid, have corresponding performance such as optical transmittance and also have the functions of supporting and protecting the polyvinyl alcohol layers. Compared with the existing polycarbonate-cellulose triacetate-polyvinyl alcohol-cellulose triacetate polaroid, the polaroid disclosed by the utility model has the advantages that the production cost is greatly reduced, the polaroid is not easy to layer during cutting, no rainbow pattern exists or the rainbow pattern is slight, and the stability is higher. The lens can be used in spectacle lenses, head-up display and LCD display.

The invention belongs to the technical field of cellulose acetate preparation, and discloses cellulose monoacetate, cellulose diacetate or cellulose triacetate and a low-cost rapid preparation method thereof. The low-cost rapid preparation method of cellulose monoacetate, cellulose diacetate or cellulose triacetate comprises the following steps: adding a cellulose raw material, an alcohol substance, toluene and deionized water into zirconium oxide balls to obtain a prepared product, carrying out ball milling treatment on the prepared product under the protection of nitrogen, adjusting ball milling parameters to obtain a ball milling product with a low substitution degree or a high substitution degree, and carrying out high-speed ball milling on the ball milling product with the low substitution degree or the high substitution degree to obtain the cellulose monoacetate, cellulose diacetate or cellulose triacetate. Washing a ball-milled product, then performing vacuum drying to obtain carboxylated cellulose with low substitution degree or high substitution degree, sequentially adding the carboxylated cellulose with low substitution degree or high substitution degree into an alkaline aqueous solution and an acetate compound to perform transesterification, and sequentially performing washing, vacuum filtration and vacuum drying on a transesterification product to obtain carboxylated cellulose with low substitution degree or high substitution degree. The cellulose monoacetate, the cellulose diacetate or the cellulose triacetate is obtained; the production cost can be reduced, and the preparation efficiency is remarkably improved.

The invention provides a cellulose triacetate optical film for a polaroid and a preparation method of the cellulose triacetate optical film, and relates to the field of optical films for polaroids. The preparation method of the cellulose triacetate optical film for the polaroid comprises the following steps: grafting modification, purification treatment, preparation of a film casting solution, and film formation and curing. According to the preparation method of the cellulose triacetate optical film for the polaroid, the hardness, toughness and wear resistance of the optical film can be effectively balanced while the situation that an existing blending modification method influences the optical performance, high-temperature and high-humidity stability and overall stability of the optical film can be avoided, and the overall mechanical performance of the optical film is further optimized.

The present disclosure provides a leather article and a method for making a leather article, comprising a substrate and a coating comprising a cellulose derivative having improved color fastness to rubbing. The cellulose derivative can be methyl cellulose, ethyl cellulose, ethyl methyl cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxyethyl methyl cellulose, hydroxypropyl methyl cellulose, ethyl hydroxyethyl cellulose, cellulose acetate, cellulose triacetate, cellulose propionate, cellulose acetate propionate, cellulose acetate butyrate, microcrystalline cellulose, cellulose nitrate, or cellulose sulfate.

An object of the present invention is to provide a cover film having more excellent adhesiveness to a base material in a case where a bonded body of the cover film and the base material is stored for a long period of time.The cover film of the present invention includes a support and a polymer layer containing a polymer, in which the support contains a cellulose triacetate derived from wood pulp, and the polymer layer satisfies the following requirement 1. Requirement 1: residual rate of the polymer layer is 10% to 50% by mass before and after the polymer layer is immersed in xylene at 25° C. after being peeled off from the cover film.

The application discloses a preparation method of a cellulose triacetate-based binder and application of the binder in a sodium ion battery, and the method comprises the following steps: firstly, cellulose triacetate is stirred and dissolved in N-methyl pyrrolidone to obtain a solution with a proper viscosity; and then, montmorillonite is added into the solution and stirred to be fully dispersed, so as to obtain the cellulose triacetate-based binder. The cellulose triacetate-based binder prepared by the method has wide sodium battery cathode protection compatibility, high ionic conductivity and excellent adhesion, and can be used for constructing a high-performance sodium ion battery.

This invention discloses a high-adhesion-strength TAC film and its preparation method, belonging to the field of polymer protective film technology. The preparation method includes the following steps: mixing cellulose triacetate, a stabilizer, a plasticizer, a UV stabilizer, and a solvent, dissolving them under heating and stirring conditions to form a homogeneous TAC solution, and obtaining a TAC base film through casting and drying; subjecting the TAC base film to low-temperature plasma treatment, and then drying it at a temperature of 80-100℃ to obtain a high-adhesion-strength TAC film; the stabilizer is phenylboronic acid-terminated cellulose acetate. This invention provides a high-adhesion-strength TAC film and its preparation method. Through the synergistic effect of low-temperature plasma surface activation and phenylboronic acid-terminated cellulose acetate stabilizer, the surface adhesion performance of the TAC film is significantly improved while effectively solving the problem of decreased mechanical properties caused by plasma treatment, achieving a balance between high adhesion strength and excellent mechanical properties.

The invention discloses a scratch-proof and collision-proof TPU color-changing film and a preparation method thereof. Thermoplastic polyurethane elastomer is dissolved in dimethylformamide, carbon nanofibers are added and fully mixed, and a release-base layer is obtained by electrospinning on a release film; polyaromatic amide is fully mixed with TiO2 nanoparticles, Al2O3 nanoparticles, SiC nanoparticles and SiO2 nanoparticles, and then melt-electrospinning is performed on the release-base layer to obtain a release-base-strength layer; polymethyl methacrylate and polyvinylidene fluoride are dissolved together in a DMAc / acetone mixed solution, inorganic pigment nanoparticles are added, and electrospinning is performed on the release-base-strength layer to obtain a release-base-strength layer-weather-resistant color layer; finally, a water-repellent and oil-repellent finishing agent solution is coated on the surface of the release-base-strength layer-weather-resistant color layer, and after hot pressing and molding, a 1,4-dioxane solution containing cellulose triacetate is coated on the surface, and vacuum drying is performed to obtain the film.