29 results about "Antimony tin oxide" patented technology

The invention discloses a novel notebook flexible printed circuit board prepared based on weldable low-temperature silver paste and a backlight module, and belongs to the technical field of electronic materials and devices. Conductor patterns of the flexible printed circuit board comprise a main circuit pattern formed by rolled copper; the auxiliary function structure is formed in a local area of the main circuit pattern by weldable low-temperature silver paste; the curing temperature of the weldable low-temperature silver paste is 130-145 DEG C, the weldable low-temperature silver paste comprises conductive filler, a polymer resin system, an ester solvent, a curing agent, a silane coupling agent, a polyamide wax thixotropic agent, a polysiloxane defoaming agent, modified carbon nanotubes and modified antimony tin oxide powder, and the conductive filler comprises flaky silver powder, spherical silver powder and low-temperature alloy powder. The low-temperature alloy powder is Sn42Bi58 low-temperature alloy powder of which D50 is 12 [mu] m-15 [mu] m; according to the invention, low-temperature curing, high flexibility, excellent conductivity and direct weldability are integrated, and a solution suitable for local repair of a flexible printed circuit board and direct mounting of a jumper and a Mini LED chip is provided.

The invention discloses a preparation method and application of a nano heat-insulating metal oxide composite coating. The preparation method comprises the following steps: preparing a nano ATO crystal of which the surface contains silicon hydroxyl; preparing polymerizable ATO (antimony tin oxide) nano particles; and uniformly mixing the polymerizable ATO nano particles, the silane modified nano silicon dioxide, the self-emulsifying polyurethane emulsion and the auxiliary agent to obtain the required coating. Nanometer ATO crystallization and surface silicon hydroxyl modification are synchronously completed in a hydrothermal environment, and the problem of uneven coating caused by traditional two-step modification is solved; after the high-temperature reaction, cold ethanol is used for realizing shock cooling to stop crystal growth, so that the problem of thermodynamic instability of the nanocrystalline is solved; the interfacial compatibility is improved by introducing a vinyl-containing siloxane monomer; by compounding the polymerizable ATO nano particles, the silane modified nano silicon dioxide, the self-emulsifying polyurethane emulsion and the auxiliaries, a stable topological structure connected by covalent bonds is constructed, and the aging resistance, the heat insulation property and the adhesive force of the coating are remarkably improved.

The application discloses a novel flexible printed circuit board and camera module prepared based on weldable low-temperature silver paste, and belongs to the technical field of electronic materials and devices. The conductor pattern in the flexible printed circuit board comprises a main circuit pattern and an auxiliary function structure formed by weldable low-temperature cured silver paste. The curing temperature of the weldable low-temperature silver paste is 87-103 DEG C. The silver paste comprises conductive fillers, a polymer resin system, ester solvents, a curing agent, a silane coupling agent, polyamide wax thixotropic agents, polysiloxane defoaming agents, modified carbon nanotubes, modified antimony tin oxide powder, modified ceramic fillers and low-stress modifiers. The polymer resin system comprises hydrogenated bisphenol A type epoxy resin, diphenyl type epoxy resin and polyacrylate-CTBN copolymer. The conductive fillers comprise silver-coated copper flaky powder, nano silver wire and low-temperature alloy powder. Through the synergistic effect of components and the innovative process, the comprehensive improvement of mechanical properties, conductive properties, high-frequency characteristics and welding reliability is realized under the premise of ultralow-temperature curing.

The invention discloses an injection molding composition gradient tungsten-copper alloy which is composed of 50-90 wt% of tungsten, 5-45 wt% of copper and 3-7 wt% of modified tin antimony oxide, the injection molding composition gradient tungsten-copper alloy has a C1-C4 four-layer composition gradient, the tungsten content is 80-90 wt%, 70-80 wt%, 60-70 wt% and 50-60 wt%, the mass ratio of C1 to C2 to C3 to C4 is 1: (0.8-1.2): (0.8-1.2): (1-1.4), the modified tin antimony oxide is doped with 0.2-0.6 mol% of La and 0.3-0.9 mol% of Y, and the conductivity of the alloy is improved. The particle size ranges of the tungsten powder, the copper powder and the modified tin antimony oxide which serve as raw materials are 200-300 nm, 50-150 nm and 10-30 nm respectively, and the compactness and uniformity of the alloy are improved through different particle size ratios. According to the preparation method of the alloy, injection molding and plasma discharge sintering are combined, the process is simple, consumed time is short, and the product is high in sintering strength and excellent in mechanical property and has good application prospects.

The application belongs to the technical field of building ceramics, and particularly discloses a heat-absorbing ceramic glaze, a preparation method thereof and a heat-absorbing ceramic tile. The raw material components of the heat-absorbing ceramic glaze include a base glaze and a heat-absorbing agent, wherein the heat-absorbing agent includes indium tin oxide and / or antimony tin oxide, and the base glaze contains Li2O and / or Na2O in the chemical composition. The heat-absorbing ceramic glaze fully plays the absorption effect of ITO and / or ATO on near-infrared light, and through the introduction of Li + and / or Na + with a small ionic radius into the base glaze, the replacement of Sn 4+ in the ITO and / or ATO particles by Si 4+ is accelerated, so that the carriers of ITO and / or ATO mainly exhibit the absorption of near-infrared light after high-temperature firing, so as to realize the heat-absorbing effect of the glaze. The heat-absorbing ceramic glaze greatly expands the application range of the heat-absorbing ceramic tile, and the heat-absorbing effect is more significant than that of only relying on the deep color of the tile body.

The application discloses a novel smart phone flexible printed circuit board and module prepared based on weldable silver paste, and belongs to the technical field of electronic materials and devices. The conductor pattern in the flexible printed circuit board comprises a main circuit pattern and an auxiliary function structure formed by weldable low-temperature silver paste. The solidification temperature of the weldable low-temperature silver paste is 90 DEG C to 110 DEG C. The weldable low-temperature silver paste comprises conductive fillers, a polymer resin system, ester solvents, a curing agent, a silane coupling agent, a polyamide wax thixotropic agent, a polysiloxane defoaming agent, modified carbon nanotubes, modified antimony tin oxide powder, modified ceramic fillers and nano yttrium oxide. The polymer resin system comprises cashew phenol-based epoxy resin, hydrogenated bisphenol A epoxy resin and polyacrylate-CTBN copolymer. The application provides a solution suitable for smart phone high-density interconnection, micro jumper, dynamic bending compensation and micro pad direct packaging, and solves the problems caused by high-temperature process damage to elements, welding pre-plating and high-density integration.

The invention discloses a low-cost electromagnetic interference shielding hydrogel material as well as a preparation method and application thereof. The preparation method of the hydrogel material comprises the following steps: adding tin antimony oxide nanoparticles, chitosan, acrylamide, a cross-linking agent and a thermal initiator into water to prepare a precursor reaction solution; heating the precursor reaction liquid to enable acrylamide in the precursor reaction liquid to be subjected to polymerization reaction to obtain tin antimony oxide / polyacrylamide-chitosan composite hydrogel; and finally, immersing the composite hydrogel into a sodium citrate solution to obtain a target product. The tin antimony oxide nanoparticles which are low in cost and have good terahertz band electromagnetic interference shielding performance and the sodium citrate solution capable of improving the mechanical property and the conductivity of the hydrogel are added, so that the defect that electromagnetic interference shielding hydrogel is difficult to balance the electromagnetic shielding performance and the manufacturing cost is overcome; the prepared hydrogel has good mechanical property, electrical property and electromagnetic interference shielding property.

The application discloses a green titanium-based composite anode, a preparation method thereof and application of the titanium-based composite anode in electrochemical preparation of high-purity manganese, and relates to the field of electrochemical preparation of high-purity manganese. The titanium-based composite anode comprises a titanium base material, and from inside to outside on the surface of the titanium base material, there are successively an antimony tin oxide bottom layer, a BDD (boron-doped diamond) and manganese dioxide composite active layer and a silicon isolation layer. The antimony tin oxide bottom layer is deposited on the surface of the titanium base material; the BDD and manganese dioxide composite active layer is prepared on the antimony tin oxide bottom layer; and the silicon isolation layer is prepared on the active layer. In electrochemical preparation of high-purity manganese, the titanium-based composite anode is used as an anode. The titanium-based composite anode (Ti / ATO / BDD@MnO2 / SiO2) not only avoids the introduction of lead pollution, but also has excellent electrocatalytic activity; in electrochemical preparation of high-purity manganese, the titanium-based composite anode solves the corrosion problem of a traditional lead anode in electrodeposition, prolongs the service life, and improves the purity of the manganese and the electrodeposition current efficiency.

The application provides a PE substrate-based rice seedling raising special cooling light conversion greenhouse film and a preparation method thereof, and belongs to the technical field of PE films. The cooling light conversion greenhouse film comprises an outer layer, a middle layer and an inner layer which are stacked in sequence. The preparation raw materials of the outer layer comprise PE resin, cesium tungsten bronze, the preparation raw materials of the middle layer comprise PE resin, antimony tin oxide and rare earth inorganic compound light conversion agent, and the preparation raw materials of the inner layer comprise PE resin, heat preservation agent and flow drop anti-fog agent. The cooling light conversion greenhouse film uses PE resin as the base resin, and the cesium tungsten bronze of the outer layer, the antimony tin oxide and the rare earth inorganic compound light conversion agent of the middle layer and the moisture retention agent and the flow drop anti-fog agent of the inner layer are complementary to each other, so that the cooling effect is improved and the adaptability in the southern late rice seedling raising process is improved at low cost.

The invention discloses a circuit board. The circuit board comprises a dielectric layer, a circuit layer and a solder mask layer, the dielectric layer and / or the solder mask layer contains an infrared absorber, and the infrared absorber is selected from at least one of carbon black, antimony tin oxide, indium tin oxide and tungsten oxide. The invention further provides a packaging structure and a manufacturing method of the circuit board. The infrared absorber is added in the dielectric layer and / or the solder mask layer, so that the circuit board has an infrared light absorption function, and when the circuit board is connected with the light-emitting element, the circuit board replaces a part of the shell used for preventing infrared light from interfering with the light-emitting element, so that the packaging volume of the packaging structure is saved.

The invention discloses a modified polyester film for an automobile window and a preparation method of the modified polyester film, and relates to the technical field of polyester films. When the modified polyester film for the automobile window is prepared, firstly, methyl p-hydroxycinnamate reacts with [chlorine (ethyoxyl) phosphonyl] benzene to prepare a modified phosphorus-containing cinnamic acid diester compound; the preparation method comprises the following steps: reacting nano antimony tin oxide with a silane coupling agent to prepare pre-modified nano antimony tin oxide; the pre-modified nano tin antimony oxide is subjected to a reaction with thiazolidine acid, 6-maleimido-1-hexanal and ethyl isocyano acetate, and modified nano tin antimony oxide is prepared; carrying out copolycondensation on terephthalic acid, ethylene glycol, the modified phosphorus-containing cinnamic acid diester compound, 2, 2 '-difuran-5, 5'-dicarboxylic acid dimethyl ester and the modified nano tin antimony oxide to obtain modified polyester; and carrying out hot-pressing film formation on the modified polyester to obtain the modified polyester film for the automobile window. The prepared modified polyester film for the automobile window has the advantages of flame retardance, ultraviolet shielding, heat insulation, self-repairing and aging resistance.

The invention discloses core-shell type conductive titanium dioxide and a preparation method thereof.The core-shell type conductive titanium dioxide comprises TiO2 and a coating layer located on the outer surface of the TiO2, the coating layer sequentially comprises a silicon coating and an ATO coating layer from inside to outside, the ATO coating layer is doped with Sb and N, the ATO coating layer is further doped with Sn, the molar ratio of N to Sn is 1: (0.1-30), the molar ratio of Sb to Sn is 1: (0.1-30), the molar ratio of Sb to Sn is 1: (0.1-30), the molar ratio of Sb to Sn is 1: (0.1-30), and the molar ratio of Sb to Sn is 1: (0.1-30). The mass of Sn is calculated by SnO2, and the mass of Sn is 10-30% of the mass of TiO2. According to the method, OH <-> is slowly released by urea, so that metal Sn and Sb oxides form a uniform coating on the surface of TiO2, a compact and uniform tin antimony oxide film layer is formed on the surface of titanium dioxide particles, and the particles are complete, so that a precipitation product is high in purity, uniform, regular and easy to filter and wash, the operation process is simple and easy to implement, and the existing defects of a coprecipitation method are effectively overcome.

This invention discloses a modified polyester film for automotive windows and its preparation method, relating to the field of polyester film technology. In preparing the modified polyester film for automotive windows, the invention first reacts methyl p-hydroxycinnamate with [chloro(ethoxy)phosphono]benzene to obtain a modified phosphorus-containing cinnamate diester compound; then reacts nano-antimony tin oxide with a silane coupling agent to obtain pre-modified nano-antimony tin oxide; the pre-modified nano-antimony tin oxide is then reacted with thiazopyridine acid, 6-maleimide-1-hexanal, and ethyl isocyanate to obtain modified nano-antimony tin oxide; terephthalic acid, ethylene glycol, the modified phosphorus-containing cinnamate diester compound, dimethyl 2,2'-difuran-5,5'-dicarboxylic acid, and the modified nano-antimony tin oxide are co-condensed to obtain a modified polyester; the modified polyester is then hot-pressed into a film to obtain the modified polyester film for automotive windows. The modified polyester film for automotive windows prepared by this invention has the advantages of flame retardancy, UV shielding, heat insulation, self-healing, and anti-aging properties.

The invention discloses a novel smart phone flexible printed circuit board and module prepared based on weldable silver paste, and belongs to the technical field of electronic materials and devices, conductor patterns in the flexible printed circuit board comprise a main circuit pattern and an auxiliary function structure formed by weldable low-temperature silver paste, the curing temperature of the weldable low-temperature silver paste is 90-110 DEG C, and the weldable low-temperature silver paste comprises conductive filler, a polymer resin system, an ester solvent, a curing agent, a silane coupling agent, a polyamide wax thixotropic agent, a polysiloxane defoaming agent, modified carbon nanotubes, modified antimony tin oxide powder, modified ceramic filler and nano yttrium oxide. The macromolecular resin system comprises cardanol-based epoxy resin, hydrogenated bisphenol A epoxy resin and a polyacrylate-CTBN copolymer; the invention provides a solution suitable for high-density interconnection, micro jumper, dynamic bending compensation and direct packaging of a micro bonding pad of a smart phone, and solves the problems that elements are damaged by a high-temperature process, a pre-plating layer is needed for welding and high-density integration is needed.

The invention relates to the technical field of anti-corrosion coatings in a semiconductor manufacturing process, in particular to an anti-corrosion electrostatic chuck coating and a preparation method thereof.The preparation method includes the steps that a substrate is subjected to ultrasonic cleaning to remove greasy dirt and impurities and blow-dried with nitrogen, then plasma treatment is conducted, and a pretreated substrate is obtained; after bisphenol A type epoxy resin is heated and softened, nano zinc powder and graphene oxide are sequentially added and stirred to prepare slurry, the slurry is spin-coated on a substrate and cured, two metacrylic acid esters in a specific proportion are prepared into a copolymer, the copolymer is mixed with graphene and tin antimony oxide which are subjected to ultrasonic dispersion and stirred to obtain conductive slurry, and the conductive slurry is subjected to thermocuring after spraying to obtain the high-temperature-resistant coating. The preparation method comprises the following steps: ultrasonically dispersing nano aluminum oxide in ethyl acetate, adding perfluoroalkoxy side chain fluorinated polyurethane to prepare a suspension, dip-coating a substrate, and curing by ultraviolet irradiation to finally obtain the coating. The prepared coating has the advantages of improving the corrosion resistance, enhancing the anti-static function, prolonging the wear-resistant life, optimizing the process performance, achieving synergistic protection and the like.

The invention discloses a preparation method of a single-component self-drying siloxane anti-icing super-hydrophobic and super-oleophobic coating, and belongs to the technical field of power transmission line functional coatings. The coating is prepared from the following raw materials in percentage by mass: 10-20% of siloxane resin, 30-40% of hydrophobic modified micro-nano powder, 45-55% of a diluent, 0.1-0.3% of a defoaming agent and 0.3-0.7% of a coupling agent. The hydrophobic modified micro-nano powder is formed by mixing aluminum oxide particles modified by perfluorodecyl trimethoxy silane and tin antimony oxide particles according to a proportion. The preparation method mainly comprises the following steps: respectively preparing two modified particles, mixing to obtain powder, mixing the powder with the resin, the diluent and the like, and grinding. Through a specific formula process, the coating has excellent super-hydrophobic and oleophobic properties, high adhesive force and strong weather resistance, solves the problems of poor mechanical durability and easy aging and shedding of the existing anti-icing coating, and is suitable for icing protection of power transmission lines in sub-cold regions such as high-speed rail power transmission networks and the like.

The invention belongs to the technical field of functional nano coatings, and particularly relates to a self-cleaning antireflection coating and a preparation method thereof. The self-cleaning antireflection coating provided by the invention comprises 0-55% of TiO2 coated hollow SiO2, 0-55% of tin antimony oxide coated hollow SiO2 and 45-60% of an inorganic adhesive, in percentage by mass, the TiO2 coated hollow SiO2 and the tin antimony oxide coated hollow SiO2 cannot be 0 at the same time, and the sum of the mass of the TiO2 coated hollow SiO2 and the mass of the tin antimony oxide coated hollow SiO2 does not exceed 60%. According to the invention, TiO2-coated hollow SiO2 and tin antimony oxide-coated hollow SiO2 are added into the coating, so that the photocatalytic performance and antistatic performance of the coating are improved, the stability of a formula system is improved by using a coating technology, and the mechanical strength of the coating is improved by using an inorganic binder.

The preparation method comprises the following steps: by taking a base material as a sputtering substrate, aluminum zinc oxide as a first target material, antimony tin oxide as a second target material and aluminum zinc oxide as a third target material, sequentially carrying out sputtering treatment, forming a sputtering layer, preparing a modified base material, coating one side, far away from the sputtering layer, of the modified base material with a modified coating, and carrying out ultraviolet curing, thereby obtaining the automobile heat insulation film. Urethane acrylate in the modified coating is of a branched structure, and the middle position and the end of a molecular chain segment contain unsaturated double bonds, so that the modified coating has a good scratch-resistant effect after being cured, and meanwhile, the modified coating contains disulfide bond and boric acid ester structures, so that the modified coating can be self-repaired within a short time after scratches appear on the heat-insulating film, and the scratch-resistant performance of the heat-insulating film is improved. Through cooperation of the multiple sputtering layers and the base film, heat can be well reflected, and the heat insulation effect of the heat insulation film is improved.

The invention relates to the field of coated glass, and particularly discloses heat insulation coated glass and a preparation process thereof. The heat insulation coated glass comprises a glass base layer and a heat insulation hydrophobic layer from bottom to top, and the heat insulation hydrophobic layer comprises the following raw materials: epoxy resin, dimethyl silicone oil, a curing agent, 3-glycidyl ether oxypropyl trimethoxy silane, toluene, pretreated nano tin antimony oxide, hydrophobic silica aerogel, a leveling agent, a defoaming agent and an antioxidant; the preparation method of the pretreated nano tin antimony oxide comprises the following steps: mixing 2-(3, 4-epoxy cyclohexyl) ethyltrimethoxysilane and absolute ethyl alcohol, heating to 30-35 DEG C, uniformly stirring, adding deionized water and octadecylamine, stirring, adding polyethylene glycol and nano tin antimony oxide, stirring, filtering, and carrying out heat treatment. The coated glass is high in heat insulation effect and light transmittance, the bonding firmness of the heat insulation hydrophobic layer and the glass is good, and the fracture toughness of the glass is high.

The invention discloses a thermally-induced reversible color-changing composite coating capable of realizing visible-near infrared spectrum collaborative modulation and a preparation method of the thermally-induced reversible color-changing composite coating. The composite temperature control coating is of a multi-layer composite structure composed of a solar spectrum high-reflection base layer, a near-infrared absorption layer, a near-infrared modulation layer and a thermochromic layer. Wherein each layer is prepared from a coating which takes rutile titanium dioxide, silicon dioxide aerogel modified cesium tungsten bronze, nano tin antimony oxide modified vanadium oxide and thermally induced reversible color change microcapsules as fillers. The coating ingeniously realizes high reflection of visible light-near infrared spectrum in sunlight under a high temperature condition and high absorption of visible light-near infrared spectrum in sunlight under a low temperature condition through a multi-layer composite structure design, and the overall modulation performance of the coating on the sunlight reflectance ratio is greatly improved. The coating is excellent in performance, is favorable for realizing the adaptability of a temperature control material to a complex temperature environment, and is of great significance to related technical progress and industrial development.

The invention relates to the technical field of conductive silver paste, in particular to active additive-based conductive silver paste for photovoltaic cells and a preparation method thereof.The active additive-based conductive silver paste is prepared from the following raw materials in parts by weight: 2-5 parts of a functional additive A, 8-15 parts of a functional additive B, 70-80 parts of superfine silver powder, 15-20 parts of composite powder, 0.5-1 part of tin antimony oxide, 1-2 parts of bisphenol A epoxy resin and 0.3-0.5 part of nano aluminum oxide, the functional additive A takes glass powder as a base core, surface grafting is further performed on silver-coated glass powder through a coupling agent KH-560 modified by titanate, and one end of the coupling agent and a silver layer form a coordination effect, so that chemical bridging is constructed between a filler and an organic carrier, the agglomeration tendency of silver powder in the paste is reduced, and the conductivity of the silver powder in the paste is improved. The filler is kept in a dispersed state in the coating, so that the interruption risk of a local conductive path is reduced, the interface adhesive force of a conductive network is further improved, and the service life is prolonged.

The invention discloses a novel flexible printed circuit board prepared based on weldable low-temperature silver paste and a camera module, and belongs to the technical field of electronic materials and devices, a conductor pattern in the flexible printed circuit board comprises a main circuit pattern and an auxiliary function structure formed by weldable low-temperature curing silver paste; the curing temperature of the weldable low-temperature silver paste is 87-103 DEG C, and the weldable low-temperature silver paste comprises a conductive filler, a polymer resin system, an ester solvent, a curing agent, a silane coupling agent, a polyamide wax thixotropic agent, a polysiloxane defoaming agent, a modified carbon nanotube, modified antimony tin oxide powder, a modified ceramic filler and a low-stress modifier. The polymer resin system comprises hydrogenated bisphenol A type epoxy resin, biphenyl type epoxy resin and a polyacrylate-CTBN copolymer; the conductive filler comprises silver-coated copper sheet-shaped powder, nanometer silver wires and low-temperature alloy powder, and through the synergistic effect of the components and an innovative process, comprehensive improvement of the mechanical performance, the conductive performance, the high-frequency characteristic and the welding reliability is achieved on the premise of ultralow-temperature curing.

The application discloses a novel notebook flexible printed circuit board and a backlight module prepared based on weldable low-temperature silver paste, and belongs to the technical field of electronic materials and devices. A conductor pattern of the flexible printed circuit board comprises a main circuit pattern formed by calendered copper and an auxiliary functional structure formed by weldable low-temperature silver paste in a local area of the main circuit pattern. The solidification temperature of the weldable low-temperature silver paste is 130 DEG C to 145 DEG C, and the silver paste comprises conductive fillers, a polymer resin system, an ester solvent, a curing agent, a silane coupling agent, a polyamide wax thixotropic agent, a polysiloxane defoaming agent, modified carbon nanotubes and modified antimony tin oxide powder. The conductive fillers comprise flaky silver powder, spherical silver powder and low-temperature alloy powder. The low-temperature alloy powder is Sn42Bi58 low-temperature alloy powder with a D50 of 12 mu m to 15 mu m. The application integrates low-temperature solidification, high flexibility, excellent conductivity and direct weldability, and provides a solution suitable for local repair of the flexible printed circuit board, jumper wiring and direct mounting of Mini LED chips.

Provided are an antistatic and flame-retardant rutile titanium dioxide (TiO2)-loaded antimony tin oxide (ATO) / expanded polystyrene (EPS) composite, and a preparation method and use thereof. The antistatic and flame-retardant rutile TiO2-loaded ATO (TiO2@ATO) / EPS composite includes EPS and rutile TiO2@ATO doped in the EPS; where the antistatic and flame-retardant rutile TiO2@ATO / EPS composite is doped with 0.5 wt. % to 2 wt. % of the rutile TiO2@ATO based on a mass of a styrene monomer.

This invention discloses a toughened modified PVC material and its preparation method, relating to the field of polymer materials technology. In preparing the toughened modified PVC material, the invention first coats the surface of potassium titanate whiskers with antimony tin oxide precipitate to obtain coated modified whiskers; reacts the coated modified whiskers with chloropropyltrimethoxysilane to obtain modified whiskers; reacts phenylphosphodichloro with dimethylaminopropylamine diisopropanol to obtain a flame-retardant chain extender; reacts 2-chloro-4,6-diamino-1,3,5-triazine with linear alkylamine to obtain a draping chain extender; reacts diisocyanate, diol, and chain extender to polymerize and obtain modified polyurethane; and then plasticizes and blends PVC resin, modified polyurethane, modified whiskers, plasticizer, heat stabilizer, and antioxidant, followed by hot pressing to obtain the toughened modified PVC material. The toughened modified PVC material prepared by this invention has the advantages of flame retardancy, antistatic properties, high toughness, and good mechanical strength.

The application provides a PE substrate-based rice seedling raising special cooling light conversion greenhouse film and a preparation method thereof, and belongs to the technical field of PE films. The cooling light conversion greenhouse film comprises an outer layer, a middle layer and an inner layer which are stacked in sequence. The preparation raw materials of the outer layer comprise PE resin, cesium tungsten bronze, the preparation raw materials of the middle layer comprise PE resin, antimony tin oxide and rare earth inorganic compound light conversion agent, and the preparation raw materials of the inner layer comprise PE resin, heat preservation agent and flow drop anti-fog agent. The cooling light conversion greenhouse film uses PE resin as the base resin, and the cesium tungsten bronze of the outer layer, the antimony tin oxide and the rare earth inorganic compound light conversion agent of the middle layer and the moisture retention agent and the flow drop anti-fog agent of the inner layer are complementary to each other, so that the cooling effect is improved and the adaptability in the southern late rice seedling raising process is improved at low cost.

This invention relates to the field of self-cleaning glass spray technology, and more specifically, to a visible light-responsive antistatic and anti-oil self-cleaning glass spray and its preparation. The raw materials for the glass spray, by mass percentage, include the following components: solvent system 85.0-93.0%, fluorosilane-modified silica nano-sol 3.0-8.0%, nitrogen-doped nano-titanium dioxide 1.5-5.0%, nano-grade antimony tin oxide 0.5-2.0%, and additives 0.5-1.5%. This invention addresses the shortcomings of existing technologies by providing a glass spray that offers all-weather visible light self-cleaning, dual anti-oil properties, and active electrostatic shielding. It overcomes dependence on ultraviolet light, efficiently decomposing pollutants indoors and on cloudy days; it combines physical anti-fouling with chemical decomposition for long-lasting oil resistance; and it eliminates electrostatic adsorption through an ATO conductive network, reducing dust at the source. The product also boasts advantages such as high light transmittance, quick drying and easy operation, and strong coating adhesion, significantly reducing cleaning costs and being environmentally friendly.

The invention discloses a preparation method of a membrane electrode, the membrane electrode and an electrolytic bath, and the preparation method comprises the following steps: preparing oxygen evolution electrode slurry by taking an ATO (antimony tin oxide)-loaded iridium oxide catalyst as an anode catalyst for water electrolysis hydrogen production; a 40% platinum-carbon (Pt / C) catalyst is used as a cathode catalyst for hydrogen production through water electrolysis, and hydrogen evolution electrode slurry is prepared; the method comprises the following steps: pre-treating a proton exchange membrane (Nafion, N117), under a stirring condition, respectively treating the proton exchange membrane with 5wt% hydrogen peroxide and 5wt% sulfuric acid at 80-85 DEG C for at least one hour, then repeatedly washing and drying the proton exchange membrane with deionized water, and flattening the proton exchange membrane by using a hot press; respectively spraying the cathode catalyst slurry and the anode catalyst slurry on a transfer printing film PTFE (Poly Tetra Fluoro Ethylene); and hot-pressing the transfer membrane PTFE coated with the catalyst layer and the proton exchange membrane together, naturally cooling, and taking down the PTFE membrane to obtain the membrane electrode. According to the technical scheme, the performance and stability of the membrane electrode are improved.

The invention provides a heat-insulating film and a preparation method and application thereof.The heat-insulating film comprises rare earth hexaboride, antimony tin oxide and / or indium tin oxide, polymer resin and assistant.The rare earth hexaboride is compounded with the antimony tin oxide and / or indium tin oxide, and the prepared heat-insulating film has the advantages of being wide in infrared light blocking wave band range, high in heat-insulating property, good in heat-insulating property and the like. And the heat insulation capability is high.