46results about How to "Good infrared reflection performance" patented technology

The invention discloses a special electric stain-resistant heat insulation coating. The special electric stain-resistant heat insulation coating comprises the following components in parts by weight: 15-50 parts of a film formation emulsion, 5-30 parts of nano oxide powder, 10-20 parts of heat reflection pigment, 5-25 parts of hollow ceramic microbeads, 8-15 parts of a filler, 5-15 parts of additives and a proper amount of deionized water. The purposes of resisting stains and insulating heat can be achieved by introducing components such as nano oxide powder into the heat insulation coating. The invention also discloses a preparation method of the stain-resistant heat insulation coating. The preparation method of the stain-resistant heat insulation coating comprises the following steps: adding deionized water, part of the additives, the nano oxide powder, the hollow ceramic microbeads, the heat reflection pigment and filler into a grinder for grinding to obtain slurry; transferring the prepared slurry into a dispersing machine, adding the film formation emulsion and the rest of additives into the slurry, stirring and dispersing the slurry, filtering the slurry by a screen to obtain the stain-resistant heat insulation coating. The preparation method of the stain-resistant heat insulation coating is simple in process, easy to implement and simple and convenient to operate.

The invention discloses an elastic thin-layer insulating coating layer on the base of building wall or metal surface, which comprises the following parts: base, middle layer, surface layer and protective layer, wherein the base is epoxy zinc-rich paint, which is hydraulic sealed paint; the protective layer is transparent dirt-proof aging-tolerance liquid; the middle layer contains elastic emulsion of film acroleic acid, hollow filler of modified insulating silicate, solar reflecting dye; the surface layer concludes elastic emulsion of membrane acroleic acid, infrared irradiation ceramic filler, hollow filler of modified insulating silicate, solar reflecting dye, which coordinate.

The invention discloses a graphene heat-emitting film assembly with a single-side far infrared radiation function and a bed warmer based on the graphene heat-emitting film assembly. According to the graphene heat-emitting film assembly of the invention, one surface of a graphene heat-emitting film layer, which is far away an electrode layer, is provided with a far infrared reflecting layer. The graphene heat-emitting film assembly disclosed by the invention has an excellent infrared reflection effect and is more energy-saving; the bed warmer based on the graphene heat-emitting film assembly has the advantages of good heat-emitting stability, high temperature rise speed, uniform heat emission and soft material, and can realize the physical therapy functions of promoting blood circulation, repairing cells, preventing diseases and the like..

The invention discloses a high-temperature solar selective absorption coating, which comprises an infrared highly-reflective bottom layer, an optical selective absorption layer and an antireflection layer in sequence from bottom to top, wherein the infrared highly-reflective bottom layer is a pure metal film; the optical selective absorption layer comprises two layers of NiCrAlY-M metal ceramic films with different NiCrAlY alloy contents, wherein M is AlN or SiAl alloy nitride; and the antireflection layer is a dielectric film. The invention also discloses a preparation method of the high-temperature solar selective absorption coating. The preparation method is easy to adjust and control; and the coating obtained by adopting the preparation method has favorable high-temperature resistanceproperty, infrared ray reflection capability and emission rate property, good spectrum absorption property and strong mechanical property.

The invention discloses an infrared reflexive aggregate. In the infrared reflexive aggregate, pretreated mica is taken as a substrate, and a clading layer with the thickness of between 0.5 and 5 micrometers is coated on the outer surface of the substrate; the thickness of the mica is between 0.5 and 5 micrometers, and the grain diameter is between 0.5 and 120 micrometers; and the cladding layer is doped zinc oxide, and the doped zinc oxide consists of ZnO serving as a main metal oxide and doping metal in a molar ratio of 0.1 to 10 percent. The invention also provides a preparation method of the infrared reflexive aggregate simultaneously, which comprises the following steps of: 1) pretreating the mica; and 2) coating the cladding layer outside the outer surface of the pretreated mica serving as the substrate. In the aggregate, the excellent infrared reflexive performance of the doped zinc oxide serving as a film is reserved, the aggregate is used for preparing a transparent or semitransparent infrared reflexive coating film, and thus, the problem of the infrared reflection of deep color coatings is solved to a certain extent.

The invention discloses a selective coating for absorbing solar light and heat which belongs to field of solar energy equipment, particularly, relates to a selective absorbing coating which is used on the surface of the flat-plate solar collector and is used for absorbing and utilizing solar energy. The selective coating for absorbing solar light and heat is formed by compounding a plurality of layers of metal and non-metal, the selective solar energy is attached on a metal flat plate; the characteristics are as follows: the attachment sequence of the coating on the metal flat plate is as follows: a bottom layer-aluminum nitride composite layer-aluminum nitride composite layer- aluminum oxide (wherein, after the second layer of aluminum reacts with N2, whether new aluminum nitride composite material is generated). The invention provides a selective absorbing film with excellent selective absorption characteristic of solar energy and firm film, which is provided with high binding strength, good weatherability, as well as high production efficiency in production.

The invention discloses a preparation method for a violet pigment capable of reflecting infrared ray, and a heat-isolating paint. The preparation method comprises the following steps of: weighing aluminium oxide, cobaltous oxide, magnesium oxide, titanium dioxide and zinc oxide in a certain mass ratio, ball-milling and uniformly mixing; calcining the grinded mixture for 2-4 hours at 850-950 DEG C, cooling the mixture, and then mixing the mixture with a certain amount of ferric oxide, then ball-milling into a powder, and uniformly mixing the powder with a common alkyd varnish in a weight ratio of 1:9, wherein the obtained heat-isolating paint is capable of obviously reflecting the heat of infrared ray in the sunlight. In addition, the method disclosed by the invention is less in equipment investment, simple in preparation process and easy to operate, thus being suitable for large-scale industrialized production.

The invention provides a recovery method of vanadium-containing neutralizing slag. The recovery method comprises the following steps of mixing the vanadium-containing neutralizing slag, concentrated sulfuric acid and water to obtain slurry; adding a reducing agent in the slurry, and performing reduction leaching; performing solid-liquid separation on the slurry obtained after reduction leaching, and cleaning filter residue with a sodium sulfate solution to obtain a vanadium-containing leaching solution and calcium-rich slag; adding ammonium sulfate in the vanadium-containing leaching solution,regulating the pH value of the leaching solution with ammonia water, performing cooling crystallization, and performing solid-liquid separation to obtain an ammonium alum crystal and a neutralizationsolution; and performing counter-current extraction, counter-current back extraction, upflow regeneration and counter-current washing on the neutralization solution, thereby obtaining a high-purity vanadyl sulfate solution. According to the recovery method, when the pollution of a vanadium element in the vanadium-containing neutralizing slag to environment is solved, the high value-added resourceutilization of the calcium-rich slag and the vanadium element in the vanadium-containing neutralizing slag is realized.

The present invention provides an inexpensive infrared reflecting black pigment which comprises Fe and Mn but comprises no harmful elements, and exhibits an excellent infrared reflecting property. The infrared reflecting black pigment according to the present invention comprises a compound comprising Fe, Mn and at least one element selected from the group consisting of Mg, Al, Ca, Si, Sr and Ba, and has a blackness (L* value) of not more than 30 and a solar radiation reflectance of not less than 15%.

The invention discloses a preparation method of high infrared reflection titanate nano-powder, which belongs to the field of preparation of nano-materials. The general formula of the titanate nano-powder is MxTiOy, wherein M is nickel or chromium; and the titanate nano-powder is prepared according to the following steps: 1) mixing acrylic acid with water based on the ratio in parts by weight of (1-4): 1, thus obtaining an acrylic acid water solution A; 2) weighing soluble M saltand Ti (titanium) salt, adding the soluble M salt and Ti salt into the acrylic acid water solution A in the step 1), and dissolving, thus obtaining a homogeneous system B; 3) adding water solution of peroxy type initiator with the weight content of 2-10% into the homogeneous system B in the step 2) under stirring condition, thus obtaining a solution C; and 4) heating the solution C obtained in the step 3) at the temperature of 60-100 DEG C till the system is completely polymerized, then drying at the temperature of 80-250 DEG C until getting solids, cooling, grinding, and calcining for 2-5 hours at the temperature of 600-800 DEG C in an atmosphere. The prepared nano-power has good dispersivity, and the size of the prepared nano-power is uniform and is in the range of 20-80nm.

The present invention relates to an infrared reflecting black pigment which comprises a composite oxide containing Fe, Co and at least one metal selected from the group consisting of Al, Mg, Ca, Sr, Ba, Ti, Zn, Sn, Zr, Si and Cu; has an average plate surface diameter of 0.02 to 5.0 μm, a blackness (L* value) of not more than 30, an average reflectance of not more than 10% in a visible light wavelength range of 250 to 780 nm and an average reflectance of not less than 35% in an infrared wavelength range of 780 to 2500 nm. There is provided an infrared reflecting black pigment which is capable of producing a heat-shielding paint containing no harmful elements and exhibiting an excellent infrared reflecting property.

The invention provides a high-weatherability aqueous wall coating. The high-weatherability aqueous wall coating is prepared from, by weight, 30-38 parts of a pure acrylic emulsion, 18-24 parts of a PEVE emulsion, 8-10 parts of CPVC, 4-6 parts of a pigment, 10-16 parts of a filler, 15-21 parts of water, 0.2-0.4 parts of a wetting agent, 0.2-0.5 parts of a dispersant, 2-2.5 parts of a film forming assistant, 0.1-0.6 parts of a thickener, 0.1-0.3 parts of a mildew inhibitor, 0.5-0.6 parts of glycol and 9-14 parts of aluminum doped zinc oxide. The invention also provides a preparation method of the high-weatherability aqueous wall coating. The high-weatherability aqueous wall coating has the advantages of very good ozone ageing resistance, very good infrared reflection performance, and very good weatherability.

The invention belongs to the technical field of solar cells, and particularly relates to a power gain type black photovoltaic backboard which comprises a black layer, an inner coating, a supporting layer and an outer layer which are sequentially arranged from inside to outside, and the position of the black layer corresponds to gaps of photovoltaic module cells; the supporting layer contains a filler, and the filler comprises 75-95% of one or more of spherical aluminum oxide, silica powder, aluminum nitride, boron nitride, zinc oxide and magnesium oxide with the average particle size of 0.01-20 m and 5-25% of rutile titanium dioxide with the average particle size of 0.2-0.8 m. The photovoltaic backboard provided by the invention meets the color matching problem of a packaging material and a battery piece in BIPV application, achieves an attractive effect, also has a power gain effect, and has long-term stable weather resistance.

The present invention relates to an infrared reflecting black pigment which comprises a composite oxide containing Fe, Co and at least one metal selected from the group consisting of Al, Mg, Ca, Sr, Ba, Ti, Zn, Sn, Zr, Si and Cu; has an average plate surface diameter of 0.02 to 5.0 μm, a blackness (L* value) of not more than 30, an average reflectance of not more than 10% in a visible light wavelength range of 250 to 780 nm and an average reflectance of not less than 35% in an infrared wavelength range of 780 to 2500 nm. There is provided an infrared reflecting black pigment which is capable of producing a heat-shielding paint containing no harmful elements and exhibiting an excellent infrared reflecting property.

The invention relates to a vanadium-doped calcium zirconate inorganic pigment and a preparing method thereof. The preparing method comprises the steps of mixing calcium carbonate, zirconium oxide and vanadium pentoxide according to the molar ratio of 1: (1-x) : x to obtain a mixture, wherein 0<x<=0.4; conducting dry ball-milling on the mixture, conducting even mixing, conducting calcination at 1400-1700 DEG C, and conducting ball milling again to obtain powder after cooling, so that the vanadium-doped calcium zirconate inorganic pigment is obtained. The prepared vanadium-doped calcium zirconate inorganic pigment has high infrared reflection performance and can effectively reflect the energy of sunlight; meanwhile, through vanadium doping, the color generation performance of calcium zirconate can be improved, the pigment appears yellow, and the problem of poor contamination resistance is effectively solved. Production equipment mainly includes a ball mill and a firing electric furnace, equipment investment is low, the preparing process is simple, operation is easy, and therefore the preparing method is suitable for large-scale industrial production.

The invention discloses an infrared light reflection heat insulation COC plastic and a preparation method and application thereof. The COC plastic is prepared from the following raw materials in percentage by weight: 50 to 99.5 percent of COC, 0.5 to 50 percent of infrared reflecting agent, 0 to 1 percent of antioxidant, 0 to 1 percent of UV (Ultraviolet) stabilizer and 0 to 10 percent of titanium dioxide. The infrared reflecting agent comprises at least one of pigment blue 28, pigment blue 36, pigment green 50, pigment green 60, pigment yellow 53, pigment brown 24, pigment brown 33, pigment yellow 164, pigment green 17, pigment brown 29, pigment black 30, pigment purple 16 and pigment purple 14. The preparation method comprises the following steps: uniformly mixing the raw materials according to the ratio, adding the mixture into a double-screw extruder through a main feeding port, and conducting extruding to obtain the infrared light reflection heat insulation COC plastic. When the COC plastic is applied to a packaging material, a packaged object can be prevented from deteriorating due to rapid temperature rise, and the COC plastic is particularly suitable for packaging temperature-sensitive components, raw materials and other products.

The invention discloses a high-temperature selective solar energy absorbing coating, which consists of an infrared high-reflection bottom layer, a light-selective absorption layer and an anti-reflection layer from bottom to top, the infrared high-reflection bottom layer is a pure metal film, and the light selective The absorbing layer comprises two layers of NiCrAlY-M cermet films with different contents of NiCrAlY alloy, wherein M is a nitride of AlN or SiAl alloy, and the antireflection layer is a dielectric film. The invention also discloses its preparation method. The preparation process is easy to control, and the obtained coating has good high temperature resistance performance, infrared reflection performance and emission ratio performance, good spectral absorption performance and strong mechanical performance.

An infrared shielding film has at least one unit on a substrate, the unit having a low refractive index layer that contains first metal oxide particles and a first binder and a high refractive index layer that is arranged adjacent to the low refractive index layer, contains second metal oxide particles and a second binder, and has a higher refractive index than the low refractive index layer, in which at least one layer of the low refractive index layer and the high refractive index layer contains, as a binder, at least one of the following (a) to (c):(a) a carboxyvinyl polymer that contains a monomer component, which contains a carboxylic acid, in an amount of 20 to 75% by mass of the entire composition,(b) a copolymer having pH dependency of viscosity, and(c) a modified polyvinyl alcohol.

The invention provides a novel silver-introduced hafnium-nitride-membrane high-infrared-reflection durable material and relates to the field of infrared reflection membrane materials. The material is a HfN-Agx membrane formed by HfN and Ag, the HfN-Agx membrane has a solid solution structure comprising HfN and Ag, and the content of Ag is 0.8-3.8at.%. A preparation method of the durable material includes: selecting a silicon wafer or a glass substrate to use as the substrate, placing a Hf target and a Ag target into a magnetic control sputtering chamber, vacuumizing, setting magnetic control sputtering parameters, feeding N2 and Ar gas, and depositing the HfN-Agx membrane onto the substrate. The durable material is good in infrared reflection performance and excellent in durability, can be hopefully used as the high-infrared-reflection durable membrane in harsh environments with high-speed solid-liquid particle impact, high temperature and corrosive liquid and gas, and can also be applied to the surface of an optical reflection device.

The invention discloses a reddish brown heat reflective coating for an LED lamp. The reddish brown heat reflective coating is characterized by being prepared from components in parts by weight as follows: 450-550 parts of iron oxide, 25-30 parts of titanium dioxide, 25-30 parts of chromium oxide, 150-180 parts of water, 175-210 parts of pure acrylic latex, 60-70 parts of titanium dioxide, 40-50 parts of hollow glass beads, 0.8 parts of cellulose ether, 7.5-10 parts of ethylene glycol, 3.5-4 parts of a wetting dispersant, 25-30 parts of ground calcium carbonate, 25-30 parts of talc powder, 0.8 parts of a defoamer, 5-6 parts of a coalescing agent, 6-7 parts of a thickener and 0.5 parts of a preservative. The reddish brown heat reflective coating has the beneficial effects as follows: by means of composite preparation of the reddish brown heat reflective coating from iron oxide, titanium dioxide and chromium oxide, the heat reflective coating for the LED lamp has good chromaticity performance and infrared reflection performance, and the heat dissipation effect is improved greatly.

The invention discloses a preparation method of an environment-friendly multifunctional polyester film. The preparation method comprises the steps that an infrared reflecting medium is added into basic film intermediate layer polyester raw materials; a basic film surface layer and a basic film bottom layer are prepared in the mode that an environment-friendly ultraviolet-proof absorbent, an ultraviolet shielding agent, the infrared reflecting medium, an antibacterial agent, an anti-reflection agent, an antistatic agent and an antifogging agent are added into PET polyester raw materials and mixed uniformly, and composite polyester raw materials are prepared; and the environment-friendly multifunctional polyester film with the thickness of 20-100 micrometers is prepared from the basic film intermediate layer polyester raw materials, the basic film surface layer polyester raw materials and the basic film bottom layer polyester raw materials by adopting a two-way stretching three-layer co-extrusion technology. The polyester film prepared through the method not only has the antibacterial property, the antistatic property, the antifogging property and the high transparency, but also hasthe infrared-proof and ultraviolet-proof energy conservation, environment protection and high weatherability effects; and the polyester film not only can be applied to food window display or other glass surfaces with the high environment-friendly requirements, but also can be applied to the glass surfaces of airplanes, automobiles, trains, ships and common building windows.

An anti-aging cable is provided, a surface of a cable sheath is coated with an abrasion-resistant heat-reflective coating, the wear-resistant heat-reflective coating adopts a fluorocarbon emulsion asa base material, the coating itself has excellent water resistance, weathering resistance and contamination resistance. In addition, nano-zinc oxide doped with aluminum, nano-alumina and nano-silica composite powder are used as functional additives, so that the surface layer of the cable has good weathering resistance, wear resistance, ultraviolet shielding and infrared reflection properties, andthe service life of the cable is effectively prolonged.

Provided is an infrared-reflecting substrate that can be readily produced by coating the surface of a base material, and that exhibits superior infrared-reflecting performance while also exhibiting high light-transmitting performance at a low film thickness. This infrared-reflecting substrate includes an infrared-reflecting layer formed by coating a transparent base material with a coating agent containing a complex of poly(3,4-disubstituted thiophene) and a polyanion, and exhibits a total light transmittance of 60% or greater. Preferably, the complex exhibits an electroconductivity of 0.15 (S / cm) or greater. Preferably, the infrared-reflecting layer has a film thickness of 0.50 [mu]m or less.

The invention provides a lattice electrothermal film for an electronic cigarette atomizer, the lattice electrothermal film is formed by covering the surface of a base material with an electrothermal film solution, and the electrothermal film solution is prepared from the following raw materials by weight: 39-42% of tin tetrachloride, 2-3% of titanium tetrachloride, 0.5-1% of nickel chloride, 3-5% of titanium dioxide, 0.6-0.9% of modified zirconium carbide, 9-11% of hydrochloric acid, 12-15% of a solvent, 1-1.5% of an auxiliary agent, and the balance of water, the sum of the weight percentages of the raw materials is 100%. The invention further provides a manufacturing method of the lattice electrothermal film. The lattice electrothermal film provided by the invention is relatively good in electrothermal conversion efficiency, corrosion resistance and heat resistance.

The invention discloses a method for preparing a pitchy pigment capable of reflecting infrared rays and heat insulating paint. The method comprises the following steps of: weighing Fe2O3,Cr2O3, CoO, AL2O3 and a reaction control agent according to a certain mass percentage and putting the materials into a ball mill for mixing and grinding uniformly; and calcining the ground mixture at the temperature of 1,000 DEG C for 6-8 hours, cooling the mixture, and putting the cooled mixture into the ball mill for grinding into powder. The pitchy pigment prepared with the method has high infrared ray reflecting performance, can be added into the paint to prepare a heat insulating coating product; moreover, equipment for producing the pitchy pigment capable of reflecting infrared rays provided by the invention mainly comprises the ball mill and a burning electric furnace, so that the method has small equipment investment and a simple preparation process, is easy to operate, and is suitable for mass industrial production.

The invention provides a preparation method of silk composite heat insulation fiber. The method comprises the following steps of (1) making vanadium pentoxide, yttrium oxide and magnesium acetate into composite fiber by a sol-spinning method; (2) performing pretreatment on the composite fiber by organic silicon oil to obtain pre-treatment composite fiber; (3) performing degumming on the silk fiber through sodium carbonate; then, performing regeneration by calcium nitrate; next, dissolving the silk fiber into methanoic acid to obtain the silk protein solution; (4) adding the pre-treated composite fiber into the silk protein solution to be made into spinning solution; after the static spinning, obtaining the silk composite heat insulation fiber. The prepared silk composite heat insulation fiber has good heat insulation performance and can be used in occasions with high heat insulation requirements.