198results about How to "Good visible light transmittance" patented technology

The invention relates to an infra-red reflecting layered structure comprising a transparent substrate layer; a first metal oxide layer; a first silver containing layer, a second metal oxide layer; a second silver containing layer and a third metal oxide layer. The first, second and third metal oxide layer have a refractive index of at least 2.40 at a wavelength of 500 nm. The layered structure according to the present invention laminated on glass has a visual light transmittance (VLT) higher than 70% and a solar heat gain coefficient (SHGC) lower than 0.44. The invention further relates to the use of a layered structure as a transparent heat-mirror.

An optically transparent, electrically conductive hybrid film includes a carbon nanotubes network deposited on a substrate, and a population of transparent conductive inorganic nanoparticles distributed throughout the carbon nanotubes network to provide a conductive transparent hybrid film.

The invention discloses a preparation method of a transparent super-hydrophobic coating layer. The preparation method adopts the sol-gel method to carry out the film coating on the surface of a substrate material and uses substances containing hydrophobic chains to carry out the self-assembled modification of the surface of the coating layer, the contact angle of the surface of the coating layer is greater than 150 degrees, the transparent super-hydrophobic coating layer has good permeability to visible light, and the average light transmittance is greater than 60 percent. The method has simple used process, easy obtainment of raw materials, low cost and good repeatability, the prepared coating layer has excellent superhydrophobicity and light transmittance, thereby being applicable to windshields of automobiles, aircrafts, spacecrafts, and the like, and being applicable to window glass, curtain walls and other occasions of buildings.

The invention relates to a nano zinc oxide surface modifying method, which adopts the technical proposal comprising the following steps that: 1) nano zinc oxide powder is fully dispersed in mixed solution of deionized water and latent solvent to form slurry; and 2) a modifier consisting of tetraethyl orthosilicate and/or methyl silicate and organosilane is evenly mixed with the latent solvent, the mixture is added into the slurry in stirring, pH value is adjusted to be between 8 and 12 for reaction, the reaction temperature is about 90 DEG C and the reaction time is between 3 and 12 hours, wherein the organosilane is polydimethylsilane or/and silane coupling agent. The method adopts a common aqueous-phase chemical reaction method, uses common devices, can complete the surface modification on the nano zinc oxide powder of an organic-inorganic hybrid material through a one-step reaction, and has simple process and easy industrialization. Prepared products improve compatability with organic substrates, make the photocatalytic activity inhibited, and are particularly suitable to be used as a UV blocking agent in sun-screen cosmetics.

The invention provides a method for making a flexible, transparent and conductive film made of metal nanowires, and belongs to the technical field of conductive film materials. A layer of metal nanowire film is made on a rigid plane substrate according to a solution processing method, then a layer of transparent and flexible substrate is made on the metal nanowire film according to the solution processing method, and finally the flexible substrate with the metal nanowires on the surface is removed from the plane substrate to form the flexible, transparent and conductive film made of the metal nanowires. Compared with a traditional flexible, transparent and conductive film made of metal nanowires directly on a flexible substrate, the flexible, transparent and conductive film made of the metal nanowires through the method has the advantages of being high in surface flatness, large in adhesion force and the like and effectively solving the problems that a flexible, transparent and conductive film made of metal nanowires is large in roughness and small in adhesion force. The flexible, transparent and conductive film made of the metal nanowires has the potential of being applied in the fields of photoelectric devices like film solar cells and organic light-emitting diodes.

An anti-ultraviolet high-heat-insulation window film is provided with a scratch resisting layer, a transparent thin film base material layer, a heat insulation layer, an ultraviolet blocking layer, a pressure-sensitive adhesive bonding layer and a release film layer, wherein the scratch resisting layer is arranged on one surface of the transparent thin film base material layer through ultraviolet light curing, the heat insulation layer is arranged on the other surface of the transparent thin film base material layer through ultraviolet light curing, the ultraviolet blocking layer is arranged on the outer surface of the heat insulation layer through heat curing, the pressure-sensitive adhesive bonding layer is arranged on the outer surface of the ultraviolet blocking layer through heat curing, and the release film layer is compounded on the outer surface of the pressure-sensitive adhesive bonding layer. The heat insulation layer is formed by coating, drying and curing coating liquid consisting of an ultraviolet light coating and a nanoscale metal oxide. The anti-ultraviolet high-heat-insulation window film is simple in preparation process, high in ultraviolet light blocking rate and capable of being applied to building windows or automobile windows.

The invention discloses a blue-light-prevention screen protective membrane and a preparation method of the blue-light-prevention screen protective membrane, wherein the blue-light-prevention screen protective membrane is composed of a scrape-resistant coating, a film substrate layer, a blue light blocking layer and a release membrane layer; one surface of film substrate layer is coated by the scrape-resistant coating; the other surface of the film substrate layer is coated by the blue light blocking layer; the other surface of the blue light blocking layer is coated by the release membrane layer. The blue light blocking layer consists of the following components in parts by mass: 150 parts of methyl MQ silicon resin, 80-120 parts of terminated polydimethylsiloxane, 4.14-5.94 parts of 2, 4-dichlorobenzoyl peroxide, 0.27-5.06 parts of benzotriazole and 0.027-0.115 part of azo-type benzidine yellow. The blue-light-prevention screen protective membrane provided by the invention can resist blue light with the wavelength of 380-480nm, reduces the injury of blue light to retina, moreover has favorable visible light transmittance, and can be effectively compatible with visible light transmittance and blue light blocking rate; the coating is uniform and controllable in thickness; the preparation process is simple and low in cost.

The invention relates to a preparation method of a transparent super-hydrophobic zinc oxide coating on a glass substrate. The preparation method comprises the following steps of a, substrate pretreatment; b, zinc oxide solution preparation; c, zinc oxide coating preparation; and d, zinc oxide coating surface modification. Compared with the prior art, the preparation method has the beneficial effects of simple equipment process, low cost and mild reaction condition and is beneficial to large-scale industrial production. The transparent super-hydrophobic zinc oxide coating prepared by using the method has excellent hydrophobicity and transparency; the contact angle is larger than 160 degrees, the rolling angle is smaller than 8 degrees, and water drops can freely roll on the coating, so that the transparent super-hydrophobic zinc oxide coating has relatively good self-cleaning performance; and the light transmittance is approach to 90% which is close to that of blank glass, so that the transparent super-hydrophobic zinc oxide coating has favorable visible light transmittance. A surface modifier used in the preparation method is an alkyl silane coupling agent instead of a fluorinated compound, so that the cost is low, the environment pollution is relatively low, and the modified coating is relatively stable.

The invention provides a preparation method for a nanometer composite anti-fogging film. The method comprises the following steps: dissolving inorganic nanoparticles in water, mixing the dissolved inorganic nanoparticles with acrylamide and/or acrylic acid ester monomers, adding a catalyst and/or initiator and carrying out in situ free radical polymerization with the inorganic nanoparticles as a cross-linking agent under the condition of ultraviolet light initiation or standing at room temperature so as to produce nanometer composite microgel; and subjecting the nanometer composite microgel to film forming by using a spraying method, a gel stretch method, a Czochralski method, a spin-coating method, a sol deposition method or a blade coating method and curing an obtained film in a baking oven so as to obtain the nanometer composite anti-fogging film. The method for preparing the nanometer composite anti-fogging film in the invention can improve bonding force between a coating of the anti-fogging film and a substrate and anti-fogging duration time and wear resistance of the anti-fogging film.

The invention belongs to the field of functional materials and relates to a ZnO-based transparent conductive film co-doped with Al-F and a preparation method thereof. The method is characterized in that the method comprises the following steps of: 1) firstly preparing a ZAFO target material, uniformly mixing AlF3, Al2O3 and ZnO powders to prepare the ZAFO target materials with different F contents respectively, wherein the ZAFO target materials contain, by weight percent (wt%): 0.5-3.0 of Al, 0.82-3.28 of F and the balance of ZnO; and 2) installing the prepared ZAFO target materials in the vacuum chamber of radio-frequency magnetism-controlled sputtering deposition equipment; utilizing a mechanical pump and a molecular pump to pump the vacuum chamber so that the vacuum degree is less than 3 multiplied by 10Pa; simultaneously, heating the substrate to the temperature of 25 DEG C-500 DEG C; adjusting the deposition process parameters and preparing the ZAFO transparent conductive film on the substrate by the radio-frequency magnetism-controlled sputtering. The method simplifies the coating process and improves the conductivity of the film and the transmittance of the visible light.

The invention discloses a double-hollow glass ceiling module with a film suspended therein. An optical control film serves as a middle layer, and an internally suspended film structure frame, a mounting structure frame, a reinforcing separating strip and glass are sealed into an integral double-hollow glass plate. An inner structure frame and an outer structure frame are made from a novel heat-isolating material with a coefficient of thermal expansion similar to that of the glass. The internally suspended film structure frame is structurally connected through a heat-isolating bridge. A butyl rubber tape on the outer surface of the internally suspended film structure frame serves as a first sealing layer. A second sealing layer consists of the external reinforcing separating strip and a silicone structural sealant, the whole structure is always consistent to the thermal deformation of the glass, so that the sealing capability of the whole system is more reliable, and the heat-isolating property, the moisture condensation-preventing property, the sound-isolating property and the like are greatly improved. Dirt is not easily accumulated on the outer surface of a mounted ceiling, so that the ceiling is convenient to clean and maintain. The double-hollow glass ceiling module has a flexible assembling and mounting way, and can be applied to different vertical surfaces of an outer building rail.

The invention relates to a solar heat- reflective insulating varnish, belonging to coating technology field. When it is coated on the surface of glass, it can insulate heat and maintain glass transparency. The invention aslo provides the preparation method. The comprised raw material and proportion by weight are as follows: film forming matter 35-45, inorganic oxidant 10- 15, levelling agent 0.5- 1, defoaming agent 0.3- 0.5, silane coupling agent 1- 5, and mixing solvent 33.5- 53.2. The varnish is characterized by heat resistance, water resistance, acid and alkali resistance, high reflecting solar heat, good light transmission rate, low cost, energy- saving, and suitability to be used for building galss, car glass, solar house heating, incandescent lamp lighting and refrigerator glass. The preparation process and device is easy and simple and is suitable for industrial production.

The invention relates to a method for improving the thermochromatic characteristic of a vanadium dioxide film, which is characterized by comprising the following steps of: preparing the vanadium dioxide film with a sculpture structure on a substrate by virtue of a vacuum glancing angle deposition technology; regulating and controlling the optical performance and the thermochromatic performance of the vanadium dioxide film by virtue of the porosity and the anisotropism of the sculpture structure; and then improving the crystalline characteristic of the vanadium dioxide film via later-stage heat treatment. The film prepared by the method can be widely applied to the fields of intelligent energy-saving windows, temperature-controlled switches, thermistors, optical storage, infrared protection and the like.

The utility model relates to a transparent conductive film layer for a capacitive touch screen. The transparent conductive film layer comprises a substrate (100), a graphene transparent conductive layer (201) attached on the substrate and a transparent conductive oxide film layer (202) deposited on graphene materials. The transparent conductive film layer is good in conductive performance, high in visible light transmittance and good in adhesive force; and materials are easy to obtain, the cost is low, the technological process is simple, and the whole product yield of the manufactured capacitive touch screen is high.

A method of producing a thin film heating element is provided which can be used in manufacturing a transparent thin film heating element of desired shape with an increased heat emission property and an excellent durability. Also provided is a heating device of the type incorporating the thin film heating element produced by this method. The inventive method comprises the steps of, applying heat- and oil-resistant ink on a predetermined surface area of a base element, allowing the ink to run dry, spraying conductive chemical composition on the base element to form a conductive thin heater film, removing the ink out of the base element, printing a thin film electrode leading to the thin heater film, and baking the base element into a thin film heating element.

The invention provides spectrum locally-modified hot color nano-composite powder and a preparation method thereof. The powder is of a multilayer composite core-shell structure which consists of a V2O layer, a precious metal layer and a transparent oxide layer, wherein the V2O layer serves as a core layer; the precious metal layer and the transparent oxide layer are respectively positioned on the second layer or the third layer. According to the spectrum locally-modified hot color nano-composite powder and the preparation method thereof, the precious metal layer and the transparent oxide layer coat the surfaces of V2O nano-particles, so that the stability of the V2O nano-particles can be improved, the spectral characteristics of V2O nano-powder can be adjusted, and the transmission color and the reflection color of the V2O nano-powder are adjusted; therefore, the aim of improving the color of the V2O powder is fulfilled. The powder can be widely applied to the fields of heat insulation coatings, lamination and the like, can be applied to an intelligent energy-saving coating, and can also be applied to the heat insulation places of glass, outer walls and the like.

The invention provides a preparation method of a composite transparent conductive film of metal nanowires and metallic oxides. The preparation method is characterized in that mixed solution of the metal nanowires and the metallic oxides is prepared by mixing metal nanowire solution and metallic oxide solution in different proportions, and then the composite transparent conductive film of the metal nanowires and the metallic oxides is prepared on a rigid or flexible planar substrate by a solution processing method. Compared with a metal nanowire transparent conductive film prepared by the metal nanowire solution individually, the composite transparent conductive film of the metal nanowires and the metallic oxides has the advantage of high surface evenness, strong adhesive force, good environmental stability and the like; and the problems of low surface evenness, weak adhesive force, poor environmental stability of the metal nanowire transparent conductive film are solved effectively. The composite transparent conductive film of the metal nanowires and the metallic oxides has application potential in the field of photoelectric devices of film solar cells, organic light-emitting diodes and the like.

The invention relates to a transparent thermal insulation material, which is characterized in that: the material is codoped by cross-group elements. A preparation method of the material has the characteristics of simple process and cost saving, and is specially used for preparing composite wolfram oxygen chloride powder with a chemical formula being CsxNyWO3-ZCIC, wherein Cs is cesium; N is Sn or Sb or Bi; W is wolfram; O is oxygen; and X, Y, Z and C are positive numbers and meet the following conditions that: X is less than or equal to 1.0, Y is less than or equal to 1.0, Y/X is less than or equal to 1.0, Z is less than or equal to 0.6, and C is less than or equal to 0.1. A transparent thermal insulation film prepared by the composite wolfram oxygen chloride powder has the characteristics of high transparency and high thermal insulation, is applied to paste on glasses of buildings and automobiles so as to separate infrared wave bands with wavelength of 800-2000nm, contributes to realizing effects of thermal insulation and energy conservation, and also can be used for a combined type base plate of an electronic component.

The invention relates to the technical field of organic chemistry and particularly relates to a diamine monomer, a preparation method therefor, polyimide and a preparation method therefor. According to the diamine monomer provided by the invention, the diamine monomer provided by the invention contains a spiro center (two rings share one atom) and has a non-coplanar structure, the rigidity of molecular chains is improved, and thus, the condition that continuous micropores are formed inside polyimide, holes are many, and the molecular structure is loose is caused due to the fact that macromolecular principal chains in the polyimide prepared from the diamine monomer provided by the invention cannot rotate freely and effective accumulation among the molecular chains is inhibited, so that thegas permeability, solubility and the like of a polyimide film prepared from the diamine monomer provided by the invention can be improved on the premise that selectivity is kept; and furthermore, thepolyimide prepared from the diamine monomer provided by the invention has relatively good solubility and light transmittance.

The invention discloses an energy-saving type transparent coating with functions of heat reflection and heat insulation. The coating comprises components in parts by weight as follows: 10-30 parts of inorganic pigment, 0.5-25 parts of a solvent and 45-89.5 parts of resin, wherein the inorganic pigment comprises tin antimony oxide with the particle size of 10-80 nm, tin indium oxide and lanthanum hexaboride; the solvent is selected from one or more of alcohol, aliphatic hydrocarbon, aromatic hydrocarbon, ketone and ester solvents; the resin is selected from one or more of acrylate-based resin, polyurethane resin, inorganic silicon based resin, silica sol based resin and organic and inorganic mixed resin. The energy-saving type transparent coating with the functions of heat reflection and heat insulation can be applied on transparent glass directly exposed to the sun, thereby forming a coating film with the functions of heat reflection, heat insulation and energy saving, guaranteeing the transparency of the glass and having the continuous heat insulation effect, good visible light transmittance and certain stain resistance.

An object is to provide a light emitting element with low drive voltage which contains an organic compound and an inorganic compound. One feature of a light emitting element of the present invention is to include a layer containing a light emitting material between a pair of electrodes, in which the layer containing a light emitting material has a layer containing a carbazole derivative represented by General Formula (1) and an inorganic compound which exhibits an electron accepting property to the carbazole derivative represented by General Formula (1). With such a structure, the inorganic compound accepts electrons from the carbazole derivative, carriers are generated internally, and a drive voltage of the light emitting element can be reduced.