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153results about How to "Does not affect light transmission" patented technology

Method for preparing pollution preventing self-cleaning polyvinylidene fluoride (PVDF) film and product thereof

The invention relates to a method for preparing a pollution preventing self-cleaning polyvinylidene fluoride (PVDF) film and a product thereof. The method comprises the following processes: (1) PVDF film preparation; and (2) PVDF film processing with alkali liquor, including an alkali-water solution processing process and an alkali-alcohol solution processing process, wherein the alkali-water solution processing process comprises the following steps: soaking the PVDF film in alkali-water solution with the mass concentration of 20-40 percent; processing at 60-80 DEG C for 2-3 hours and then taking out to wash with water; drying and obtaining the PVDF film; the alkali-alcohol solution processing process comprises the following steps: soaking the PVDF film in alkali-alcohol solution with themass concentration of 2-10 percent; processing at 25-40 DEG C for 3-5 minutes and then taking the film out; washing with water and drying; soaking the PVDF film in proper solution to react at 25-60 DEG C for 3-10 minutes; then taking out and fully washing with water; drying and then obtaining the PVDF film; (3) decorating the surface of the PVDF film by organosilane and preparing the pollution preventing self-cleaning polyvinylidene fluoride film. The pollution preventing self-cleaning PVDF film product is prepared by the method.
Owner:TIANJIN POLYTECHNIC UNIV

Filling master batch capable of increasing strength and toughness of plastic product and preparation method of filling master batch

The invention belongs to the technical field of preparing a plastic product, and particularly relates to filling master batch capable of increasing strength and toughness of the plastic product and a preparation method of the filling master batch. The filling master batch is prepared by inorganic powder, a dispersing agent, a lubricating agent, a coupling agent, a heat stabilizer and carrier resin, and the inorganic powder is a mixture which is compounded by talcum powder and mica powder, of which the average grain diameters are 6-8 mum, in 1 : 1 mass ratio by passing through a 1800-2000 mesh screen. The filling master batch provided by the invention is mainly used for replacing part of synthetic resin in raw materials of an existing plastic product. Compared with the prior art, according to the filling master batch provided by the invention, the cost is low, and the production cost can be reduced to a large extent after part of the synthetic resin is replaced; and meanwhile, the filling master batch provided by the invention has the advantages of increasing the production efficiency, improving the product mechanical performance, increasing the heat-resisting temperature of the plastic product and the like, the plastic product, particularly a thin film product, which is prepared by adding the filling master batch is suitable for printing and is suitable for food and medical packaging industry.
Owner:河南惠强新能源材料科技股份有限公司

Chromatism-free patterning carbon nanotube transparent conductive film and preparation method thereof

The invention discloses a chromatism-free patterning carbon nanotube transparent conductive film and a preparation method of the chromatism-free patterning carbon nanotube transparent conductive film. The chromatism-free patterning carbon nanotube transparent conductive film comprises a transparent substrate, a patterning carbon nanotube film which is at least distributed in a visible area on the surface of the transparent substrate, and a patterning insulating material layer distributed on the surface of the transparent substrate, the insulating material layer and the carbon nanotube film are staggered and complemented at least in the visible area, and the light transmittance of the insulating material layer and the light transmittance of the carbon nanotube film are also fundamentally consistent. The preparation method includes the steps of forming the patterning insulating material layer on the surface of the transparent substrate, and forming the patterning carbon nanotube film at least in the visible area on the surface of the transparent substrate. Preferably, the insulating material layer can be mainly made of hydrophobic insulating material, and paint can be further mixed. According to the chromatism-free patterning carbon nanotube transparent conductive film and the preparation method of the chromatism-free patterning carbon nanotube transparent conductive film, high-efficiency, large-area and continual preparation of the chromatism-free patterning carbon nanotube transparent conductive film can be achieved, the technology is easy and controllable, needed equipment is simple, cost is low, optical and electric properties of products are good, and the chromatism-free patterning carbon nanotube transparent conductive film has wide application prospects.
Owner:SUZHOU HANANO MATERIALS TECH LTD

Low-temperature microscopic differential scanning calorimetry system body apparatus

The invention discloses a main device of a cryogenic micro-differential scanning calorimetry system which comprises a cryostage, a sample support and a reference support; the cryostage is a cylinder, an annular nitrogen channel is arranged inside the cryostage, and the cyrostage is provided with a cold nitrogen inlet and a cold nitrogen outlet; two symmetrical cavities are opened along the central axis line of the cryostage, the upper half part of each cavity is cylindrical, the lower half part of each is rectangular, the sample support or the reference support is arranged in the rectangular cavities and fixed by a rectangular brass ring; cold nitrogen carries out the heat exchange with the cryostage after entering the annular channel, the cold energy is transferred to the sample and the reference support, thereby completing the cooling of the sample and a reference substance; the sample and the reference support adopt quartz glass as substrates, grid-shaped thin-film thermocouples are sputtered on the quartz substrates; the back surfaces of the quartz substrates are plated with transparent tin oxide heating thin films; the outsides of the thin-film thermocouples and the tin oxide heating thin films are respectively plated with SiO2 protective layers; the sample and the reference support are geometrically symmetrical and same in weight. The main device of the cryogenic micro-differential scanning calorimetry system can simultaneously obtain micro-images of the sample and various physical and chemical parameters during the temperature increase and the temperature decrease processes.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Method for preparing (methyl) acrylate polymer

ActiveCN102311518AHigh glass transition temperatureIncrease the initial thermal decomposition temperaturePolymer scienceReaction temperature
The invention relates to a method for preparing a (methyl) acrylate polymer. In the method, high-temperature continuous bulk polymerization is performed or less than or equal to 5 percent of atent solvent is added so as to perform solution polymerization in a circulating tube type reactor and a straight tube type reactor, and an N-alkyl maleimide monomer and a vinyl monomer are introduced into a (methyl) acrylate monomer and are copolymerized with the (methyl) acrylate monomer so as to prepare the (methyl) acrylate polymer with good heat resistant performance. The method comprises the following steps of: reducing the content of oxygen dissolved in a comonomer to 1 to 3 ppm by nitrogen; supplying the (methyl) acrylate monomer, the N-alkyl maleimide monomer and the vinyl monomer to the circulating tube type reactor continuously, and controlling the conversion rate to be 45 to 60 percent, wherein the polymerization temperature is between 130 and 150 DEG C; and conveying a reaction mixture to the straight tube type reactor continuously, wherein the reaction temperature is controlled to be 140 to 160 DEG C, and the polymerization conversion rate is controlled to be 55 to 90 percent. Bythe method, the glass transition temperature and initial thermal decomposition temperature of the polymer are improved obviously.
Owner:PETROCHINA CO LTD

Preparation method of organic/inorganic composite luminous silica gel with integrated functions of luminescence and encapsulation and application of silica gel on LED light source

The invention specifically relates to an organic / inorganic composite luminous silica gel with integrated functions of luminescence and encapsulation and a preparation method thereof, and also relates to an application of the silica gel on LED electric light source. The preparation method comprises the following steps: carrying out supermolecular assembly on hydrotalcite and rare earth organic luminous complex, wherein the region isolation effect of nano sheet layers of rigid hydrotalcite can be utilized to inhibit the concentration quench of rare earth complex so as to improve the thermal stability; then introducing fluorescent hydrotalcite is individually introduced into methyl phenyl vinyl silicon resin and methyl phenyl hydrogen-containing silicon resin through a peeling reassembly method to evenly disperse rare earth organic complex into the silicon resin matrix in the molecular level so as to produce luminous methyl phenyl vinyl silicon resin and luminous methyl phenyl hydrogen-containing silicon resin; and finally carrying out silicon-hydrogen addition reactions to produce the luminous silica gel with an encapsulation function. The prepared luminous silica gel can replace the conventional fluorescent powder and encapsulation material in the LED production. The produced LED has better optical homogeneity, and the luminous efficiency of single bulb is also improved.
Owner:FUJIAN NORMAL UNIV

Liquid self-cleaning glass film, preparation method of self-cleaning glass and product obtained through preparation method

The invention discloses a liquid self-cleaning glass film, a preparation method of self-cleaning glass and a product obtained through the preparation method. The preparation method comprises the preparation steps of mixing butyl titanate, alkoxysilane and ethanol, and performing stirring until the butyl titanate and the alkoxysilane are uniformly and sufficiently mixed so as to obtain a clear solution; adding water and acid, performing continuous stirring until the butyl titanate and the alkoxysilane are sufficiently hydrolyzed; after sufficient hydrolyzing, concentrating the obtained solution, obtaining a liquid self-cleaning glass film, coating the surface of the glass with the glass film, and drying so as to obtain the self-cleaning glass. The method is performed at the room temperature, and simple in technology; the glass film and a glass base material are firmly combined, so that the self-cleaning capacity is high, the hydrophilicity is good, the photodegradation organic pollutant is good in effect, and the service life is long. Compared with a conventional method, the preparation method disclosed by the invention has the advantages that the technology is simple, the cost is low, the industrialized production is facilitated, and the liquid self-cleaning glass film can be widely applied in the fields of glass curtain walls, window glass, solar power plants and the like.
Owner:UNIV OF JINAN

High-strength wear-resistant high-transmission polycarbonate film

The invention relates to the field of polycarbonate resin, in particular relates to a high-strength wear-resistant high-transmission polycarbonate film. The high-strength wear-resistant high-transmission polycarbonate film comprises a base material made from polycarbonate, wherein the base material is a sheet or a film with the thickness of 0.025-25mm, a layer of nano silicon dioxide dried and cured by ultraviolet rays is sprayed on at least one of an upper surface and a lower surface of the sheet or film, the average spraying thickness of the single surface is 1-100mum, the viscosity of the nano silicon dioxide is 18-38MPa.s, the split particles with particle size distribution of 0.1-0.5mum are more than 99%, and the specific surface area is 25-100m<2> / g. According to invention, the high-strength wear-resistant high-transmission polycarbonate film is sprayed on the surface of the polycarbonate, and one layer of nano silicon dioxide is dried and cured by ultraviolet rays, so that on the premise that the transmission of the film is not influenced, the strength and tensile ductility of the film can be improved, the wear resistance and finishing can be enhanced, the applications of the film are wide. Thus, the high-strength wear-resistant high-transmission polycarbonate film is a novel environment-friendly multifunctional film.
Owner:上海冠旗电子新材料股份有限公司

Perovskite transparent photovoltaic glass and preparation method thereof

The presesnt invention relates to perovskite transparent photovoltaic glass and the preparation method thereof, a wide bandgap perovskite material is adopted as a light absorption layer, ultraviolet light can be absorbed for power generation, meanwhile, visible light can penetrate through the perovskite transparent photovoltaic glass, and the light transmission of the glass is not affected. The absorption layer of the photovoltaic cell is wide bandgap perovskite which is prepared by a two-step deposition method and contains Cl and Br, and the transparent electrode is an ultrathin metal or transparent conductive oxide film. The method is simple in process and easy to operate, the visible light region transmittance of the obtained photovoltaic cell is larger than 60%, the photoelectric conversion efficiency is larger than 1%, and the method is expected to be applied to building curtain walls and car windows. The transparent photovoltaic cell can also be integrated with an electrochromic device to form self-powered intelligent photochromic glass which is expected to be applied to the fields of flight goggles, intelligent windows and the like. The transparent photovoltaic cell can be laminated with a common solar cell panel to reduce the damage of ultraviolet rays, improve the photoelectric conversion efficiency and improve the stability of the cell.
Owner:RES & DEV INST OF NORTHWESTERN POLYTECHNICAL UNIV IN SHENZHEN +1

Technology for producing color gradually-changed mobile phone rear cover

The invention relates to the technical field of mobile phone rear covers, in particular to a technology for producing a color gradually-changed mobile phone rear cover. The technology includes the following steps that (1) cutting is conducted; (2) LOGO printing is performed; (3) UV transfer printing is carried out; (4) dip dyeing is conducted, colorful printing ink is used for dip dyeing of a pattern layer to form a color gradually-changed layer, and the dip dyeing temperature is 80-90 DEG C; (5) electroplating is performed; (6) a cover bottom is printed; (7) high-pressure treatment is carriedout; (8) strengthening is performed and (9) CNC cutting is executed. Dip dyeing is also called exhaustion dyeing, belongs to a dye application term and involves a method in which a dyed material is dipped into a dye bath containing dye and required auxiliaries and the dyed material is gradually dyed by the dye through dye bath circulation or dyed material movement. The method is also a dyeing method of repeatedly dipping the material into dye liquor to make the material and the dye liquor be relatively moved continuously. By adoption of the technology for achieving color gradual changing withdip dyeing, dip-dyed products are evenly colored, and the gradual changing effect is good; and moreover, various colors can be dip-dyed at the same time.
Owner:SHENZHEN ATES SCI & TECH CO LTD

Anti-mildew photocurable waterborne stone protective agent for stone surface and preparation method of anti-mildew photocurable waterborne stone protective agent

The invention discloses an anti-mildew photocurable waterborne stone protective agent for a stone surface and a preparation method of the anti-mildew photocurable waterborne stone protective agent. The protective agent comprises the following components: UV-curable film forming resin, a photoinitiator, a polyphosphoric acid dispersant, an organic silicon defoaming agent, a film forming auxiliary,a slow-release broad-spectrum anti-mildew bactericide and solvent water. Due to a synergistic effect of a light-curable resin technology and a nano-adsorbent carrier slow release technology, the filmforming speed and protective effect of the waterborne stone protective agent are greatly improved, and the curing effect exerting time is greatly shortened while the original advantage of a waterborneprotective agent is retained, so that the construction efficiency can be remarkably increased; and meanwhile, the protective construction operation can also be realized under a low-temperature or high-humidity environment, so that the adaptability of the waterborne stone protective agent in the prior art is widened, and the antibacterial and anti-mildew properties of the waterborne stone protective agent are remarkably improved while the color, glossiness and light transmitting property of a coating are not affected.
Owner:云浮华云创新设计有限公司

Sodium bismuthate/epoxy resin/glass fiber composite material, preparation method thereof, and application method for composite material in degradation of organic waste water

The invention discloses a sodium bismuthate/epoxy resin/glass fiber composite material, a preparation method thereof and an application method for the composite material in degradation of organic waste water. The preparation method comprises the following steps: soaking sodium bismuthate powder in an aqueous solution of a silane coupling agent for treatment, then taking out the sodium bismuthate powder and drying the sodium bismuthate powder for subsequent usage; adding methyl tetrahydrophthalic anhydride into an epoxy resin and carrying out uniform mixing so as to obtain an epoxy resin glue solution; and mixing the treated sodium bismuthate with the epoxy resin glue solution, carrying out ultrasonic dispersion, coating an obtained mixture on glass fiber cloth, folding the glass fiber cloth three to five times in a die, carrying out curing, cooling and demolding and cutting the glass fiber cloth to a certain shape and a certain size. The application method comprises the following steps: uniformly putting the composite material with an appropriate shape and an appropriate size between jacket layers of a glass tube reactor and installing a visible light lamp at the center of an inner tube; allowing organic waste water to enter into a glass jacket, pass through the composite material and undergo a visible light catalytic degradation reaction with sodium bismuthate under irradiation by visible light. The preparation method has the advantages of low requirements on equipment, simple procedures, low energy consumption and convenience in operation; and the composite material is capable of degrading organic waste water in a short period of time.
Owner:SHANGHAI ACADEMY OF ENVIRONMENTAL SCIENCES

Washable anti-counterfeiting hot stamping film and preparation method thereof

The washable anti-counterfeiting hot stamping film comprises a base material layer, a release layer, an imaging layer, a metal reflecting layer and an adhesive layer which are arranged in sequence, a wear-resistant protective layer is arranged between the release layer and the imaging layer; a wear-resistant protective layer is arranged between the imaging layer and the release layer, and a buffer layer is arranged between the wear-resistant protective layer and the imaging layer, so that the wear-resistant protective layer has good wear-resistant, waterproof, weather-resistant and acid and alkali corrosion-resistant effects, and can protect the imaging layer; according to the anti-counterfeiting hot stamping film, the anti-counterfeiting layer is arranged on the anti-counterfeiting hot stamping film, so that the imaging layer can effectively express patterns in a longer time, the buffer layer has good elasticity and plays a role in blocking and buffering, and the phenomenon that the anti-counterfeiting hot stamping film is subjected to negative influence on the release effect and the wear-resisting effect of the finished anti-counterfeiting hot stamping film due to deformation damage of the anti-counterfeiting hot stamping film and the release layer in the imaging process is avoided; and the imaging effect of the finished hot stamping film can be improved.
Owner:江苏泰佳新材料科技有限公司

Ceramic glaze, processing device and ceramic glaze processing method

The invention provides a ceramic glaze material, a processing device and a ceramic glaze material processing method, and belongs to the technical field of glaze materials and processing. The ceramic glaze material comprises the components of: waste ceramic powder, quartz, glass powder, clay, zinc oxide, lithium chinastone, boron oxide, talc, alumina, strontium oxide, tin oxide and other formula raw materials; a feeding device and a heating and stirring device are adopted. According to the ceramic glaze, the processing device and the ceramic glaze processing method, a certain amount of waste ceramic powder and a small amount of tin oxide and strontium oxide are added to achieve the effect of improving the glossiness of a glaze surface. The feeding device and the heating and stirring deviceare arranged; in a glaze processing process, the formula raw materials are separately heated, stirred and then mixed for processing, and the formula raw materials are fully stirred and heated, and therefore, the formula raw materials can be heated more uniformly and stirred more sufficiently, and high-quality glaze is produced, so that the glossiness of the glaze surface is improved, the conditions of the cracking of the glaze surface and the like are reduced, and the quality of the produced glaze is greatly improved.
Owner:景德镇澐知味陶瓷文化有限公司

Camera cover plate and camera

The present invention discloses a camera cover plate and a camera. The camera cover plate comprises an indium tin oxide layer and two conductive layers; the indium tin oxide layer is arranged in a non-image pick-up area of the camera cover plate; and the two conductive layers are arranged in the non-image pick-up area and are both communicated with the indium tin oxide layer. When the camera cover plate is used, a direct-current voltage is applied between the two conductive layers; since the conductive layers are communicated with the indium tin oxide layer, the indium tin oxide layer has an electrical conductivity characteristic and an optical transparency characteristic, after the voltage is applied, the indium tin oxide layer will be heated, and the temperature of the camera cover plate will rise, and therefore, an anti-fog effect can be realized, and the overall appearance of the camera will not be affected; and the indium tin oxide layer avoids an image pick-up area, and therefore, the light transmission performance of the camera cover plate will not be affected. Therefore, the light transmission performance of the camera cover plate provided by the present invention can be ensured, the camera cover plate can realize the anti-fog effect, the overall appearance of the camera will not be affected, and problems in the field at present can be solved.
Owner:TRULY OPTO ELECTRONICS
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