42results about How to "High barrier rate" patented technology

The invention relates to a preparation method for lamination blocking type package materials, which comprises the steps that: a laminated film is extruded at least one side surface of a support layer base material, simultaneously, the surface treatment is carried out on the laminated support layer base material, blocking type coating liquid is coated onto the surface of the laminated film, a blocking layer is prepared through baking, a composite hot sealing layer is extruded on the outer surface of the prepared blocking layer, a light shading layer is compounded on one side surface of the support layer base material, in addition, the surface tension reaches higher than 38 dynes through pretreatment, in addition, printing layer coating liquid is coated on the outer side surface of the light shading layer, a printing layer is obtained after baking, and a protection layer is extruded on the outer side surface of the printing layer, so the printing layer and the protection layer are compounded. The light shading layer and the printing layer are compounded on the support layer, the requirement on paper boards by printing is reduced, the resolution ratio of images can be greatly improved, simultaneously, the cost is reduced, in addition, an oxide coating is used for replacing an aluminum foil to be used as the blocking layer, the problems of difficult recovery and difficult degradation caused by aluminum foil discharge are reduced, and simultaneously, high oxygen blocking performance is provided.

The invention relates to the technical field of heat-insulating energy-saving materials, in particular to a spectral selectivity nano heat-insulating PVB (polyvinyl butyral) film and a preparation method thereof. The preparation method includes that through synergistic effect of near infrared long-wave barrier nano material dispersion liquid, near infrared short-wave barrier nano material dispersion liquid and infrared reflection nano material dispersion liquid, the PVB film integrates spectral selectivity absorption and spectral selectivity reflection, so that high transmittance of visible light is guaranteed, near infrared rays can be well absorbed and reflected, the problem of remarkable lowering of heat-insulating effect of a ceramic heat-insulating film due to the fact that heat absorbed by the ceramic heat-insulating film reaches a saturation value is solved effectively, and the problems of quick aging and interlayer glass delaminating of the PVB film caused by overhigh temperature are solved.Proper amounts of metal oxide, hexaboride and metal silver are added into a raw material, and plasma resonance absorption and Bragg reflection are introduced to the surface of the material, so that high performance of the heat-insulating PVB film is realized and barrier rate of 800-2500 nm in wavelength is high.

The invention discloses a nano-insulation reflective paint, which comprises a nano-inorganic material, a film forming substance, hollow glass microspheres, inorganic nano-particles, and additive and a proper amount of water. According to the nano-insulation reflective paint, the nano-inorganic material, the inorganic nano-particles and the hollow glass microspheres are mixed to form a gas layer which has a heat blocking effect and can reflect solar heat as much as possible; the pH value of solution, which is adjusted by using an electro-chemical method, differs from that of an isoelectric point maximally, so that a similar double electrode layer structure is formed at the interface of the nano-particles, so that the dispersibility and stability of the inorganic nano-particles and hollow microspheres are solved; and the manufactured paint film can save energy by about 35 percent.

The invention discloses ultraviolet light blocking low-radiation double-silver LOW-E hollow glass and an ultraviolet-proof and double-silver LOW-E film preparation method. The hollow glass comprises two glass substrates, a hollow interlayer is arranged between the two glass substrates, an ultraviolet-proof film is arranged on the outer side of each glass substrate and mainly comprises cyanuric chloride, p-aminobenzene sulfonic acid, weather-resistant agents and polyurethane curing agents, a double-silver LOW-E film layer is arranged on the inner side of each glass substrate and comprises a SiZrOx layer, a TiOx layer, a first AZO layer, a first Ag layer, a first NiCrNxOy layer, a ZnO2 layer, a first Si3N4 layer, a second AZO layer, a second Ag layer, a second NiCrNxOy layer, a second Si3N4 layer and a SiZrNy layer which are sequentially arranged on the corresponding glass substrate. The ultraviolet light blocking low-radiation double-silver LOW-E hollow glass has visible light transmittance and high infrared rejection of low-radiation LOW-E glass and can effectively absorb ultraviolet light.

The invention relates to a window screen mesh as well as a preparation method and an application thereof, in particular to a novel anti-haze window screen mesh with a three-dimensional structure. The window screen mesh comprises an upper mesh, at least one middle mesh and a lower mesh, wherein the upper mesh and the lower mesh is in a plain weave or twill weave form, and the middle mesh is in a honeycomb weave form; the middle mesh is interwoven and connected with the upper mesh and the lower mesh, and middle interlayer structures are formed between the upper mesh and the middle mesh as well as between the lower mesh and the middle mesh respectively. The window screen mesh has better blocking efficiency on fine particles such as PM2.5 and the like, meanwhile, with the adoption of the three-layer three-dimensional structure, the porosity of the window screen mesh is higher, and the window screen mesh has better ventilation performance.

The invention provides fluorine-containing organosilicon glass resin, a preparation method of the resin, a transparent heat-insulating glass coating and a preparation method of the coating. The fluorine-containing organosilicon glass resin can be used for increasing the adhesion force of the transparent heat-insulating glass coating and overcome defects of existing heat-insulating coating in performance. The transparent heat-insulating glass coating takes nano ATO and nano caesium-tungsten bronze as main heat-insulating materials, the caesium-tungsten bronze can effectively reinforce reflection of irradiation of an infrared light zone and made up the defect of insufficient heat insulation performance of nano ATO for a near-infrared short wave part, the single-component and high-hardness fluorine-containing organosilicon glass resin is used, a prepared coating film has high visible light transmittance, the defects that other heat insulation coatings are insufficient in transparency, poor in thermal insulation effect, poor in hardness, water resistance, weather resistance, adhesion force, dirt resistance and the like can be overcome, and long-term stability and uniformity can be kept.

The invention discloses an automatic haze blocking device which at least comprises a haze blocking protective screen and a friction device, wherein a series of through holes are formed in the haze blocking protective screen; the through holes form an array or a pattern; the friction device has a structure capable of enabling brushing fur to randomly collide the outer surface of the haze blocking protective screen, or a structure capable of enabling the brushing fur to roll, swing, vibrate and/or slide on the outer surface of the haze blocking protective screen; the outer surface is the surface back to a wearer; and the activity range of the brushing fur covers the through hole array of pattern of the haze blocking protective screen. According to the invention, the automatic haze blocking device is applied to a haze prevention gauze mask or head cover, the only extremely small amount of quite precious negative oxygen ions in the haze air are not blocked, the exhalant exhaust can freely pass through the haze blocking protective screen and return to the air, the gauze mask or the head cover can ensure that the mouth and the nose are not stuffy, the wearer can breathe normally and freely, and the haze blocking effect can be displayed in real time.

The invention discloses an acrylic adhesive with heat insulation performance for a colored stone metal tile and a preparation method thereof. The acrylic adhesive comprises a base adhesive and a surface adhesive, wherein a raw material formula of the base adhesive comprises 205-255 parts of an acrylic soft monomer, 120-150 parts of an acrylic hard monomer, 25-55 parts of a functional polymerizablemonomer, 2-3 parts of an initiator, 0-4 parts of a nonionic emulsifier, 3.5-10 parts of a reactive emulsifier, and 45-65 parts of other auxiliary agents; and a raw material formula of the surface adhesive comprises 185-220 parts of an acrylic soft monomer, 135-155 parts of an acrylic hard monomer, 25-55 parts of a functional polymerizable monomer, 2-5 parts of an initiator, 5-15 parts of a reactive emulsifier, 0-10 parts of a silane coupling agent, 40-50 parts of nano ITO/SiO2 slurry, and 45-65 parts of other auxiliary agents. The acrylic adhesive has excellent heat insulation, water resistance, weather resistance, stain resistance and yellowing resistance.

The invention discloses a preparation method of nano tungsten doped tin dioxide powder and a preparation method thereof. The method includes the following steps that tin tetrachloride and ammonium metatungstate are used for preparing a precursor solution and loaded into an ultrasonic atomizer, air serves as a carrier, the carrier assists the introduction of atomized droplets in a tubular furnace for pyrolysis, deionized water is used for collecting SnO2:W powder, the collected powder is dried and annealed at 100-1200 DEG C for 0.5-10 h, and the nano tungsten doped tin dioxide powder is prepared. Compared with the prior art, the prepared powder has high visible light transmittance, high infrared and ultraviolet block rate and good heat insulation performance. The prepared spherical powder has uniform particle size distribution and is not easy to agglomerate. The powder has broad application prospects in many fields such as solar cell materials, semiconductor gas and moisture sensitive components, electronic screens and transparent coatings.

The invention relates to the technical field of research and development of glass performance and discloses a nano heat-insulation coating layer applied to hollow glass. A nano composite material withthe mass percent of 0.75 to 0.80 percent is added into acrylic emulsion coating; the nano composite material has good spectral selectivity, high light transmittance in visible light and high rejection rate in an infrared light region; the stable and uniform nano heat-insulation coating is prepared; after the hollow glass is coated with the coating, the coating is cured under a low-temperature baking condition to obtain the transparent, uniform and flat heat-insulation coating layer; the heat-insulation coating layer has good mechanical properties, relatively strong rigidity and excellent adhesive force; the nano heat-insulation coating layer can be applied to windshield glass of automobiles, trains and airplanes, and building glass, has very good heat-insulation and cooling effects and has no reflection light pollution.

The invention relates to a polyester film, in particular to a high-transmittance high-definition anti-explosion polyester film and a preparation method thereof. In order to solve the problems of low light transmittance, poor anti-ultraviolet effect and high haze of the existing automobile window outer film, the invention provides the high-light-transmittance high-definition anti-explosion polyester film and the preparation method thereof. The polyester film sequentially comprises a coating layer, a first functional layer, a core layer, a second functional layer, a metal heat insulation layer,a bonding layer, a PET base film layer and an adhesive layer. The polyester film can be used as an automobile window film and is adhered to the outer surface of an automobile window.

The invention relates to the field of material preparation, in particular to a preparation method of a novel polyimide proton exchange membrane. The invention discloses a preparation method of a novelpolyimide proton exchange membrane, which comprises the following steps of: firstly, phloroglucinol and 3-Nitro group-5-Trifluoromethylaniline was synthesized from N, N-trifluoromethylaniline and N,N-trifluoromethylaniline. A trifunctional polyamine monomer was synthesized in the presence of potassium carbonate and potassium iodide in the presence of dimethylacetamide as solvent. Then the polyamine monomer and 4, 4-dihydroxybenzoic acid were synthesized by the reaction of 4, 4-dihydroxybenzoic acid with 4, 4-Bis (4-amino-1-naphthylazo)- 2, 2-Stilbene disulfonic acid, 2-(4-Amino-3-Methyl-Phenyl)-4-Methyl-Benzimidazole; benzimidazole-5-Amine and 3, 3, 4, 4-Branched polyimide molecules were synthesized from m-tetracarboxylic dianhydride in m-methylphenol by one-step method. A novel polyimide proton exchange membrane was prepared by crosslinking and coupling agent modification.

The invention discloses graphene-modified nano thermal insulating slurry and preparation method thereof. The graphene-modified nano thermal insulating slurry is prepared from the following components in parts by weight: 5 to 15 parts of nano ATO powder; 10 to 20 parts of graphene aqueous dispersion; 1 to 5 parts of dispersing agent; 50 to 80 parts of deionized water; and 1 to 3 parts of defoaming agent. The nano ATO powder with a thermal insulating function is modified by graphene, so that the prepared thermal insulating slurry has a thermal insulating function when being used in building glass (or other base materials), and also has high visible light transmittance in the scope of visible light, high infrared ray blocking rate, high adhesive force and high hardness. In addition, the preparation method provided by the invention is simple, the equipment investment is less, the cost is low and environmental protection is realized; and the slurry is extremely stable, can be stored at least for six months at normal temperature, and can be widely used as a thermal insulating agent, an antistatic agent and the like of a glass window.

The invention discloses a high-performance barrier film and a method for preparing the same. The method includes steps of 1), clinging more than 2 packaging barrier films to each other by adhesion glue and solidifying the packaging barrier films to obtain composite base films; 2), coating a layer of thermosetting glue on each composite base film obtained at the step 1), drying and solidifying each composite base film to add a base coating on the basis of each composite base film; 3), carrying out rough treatment on the surfaces of each composite base film by the aid of processes for coating glue with diffusion particles on the other surface of the composite base film or laser engraving or UV (ultraviolet) glue embossing to form rough layers on the composite base films so as to obtain the high-performance barrier film. The high-performance barrier film and the method have the advantages that the high-performance barrier film prepared by the aid of the method comprises a surface rough layer, a composite base film layer and the bottom coating, is high in barrier rate and low in production cost and is thin, and the method can be directly used for preparing different types of quantum dot films.

The invention provides a preparation method of an infrared obstructing functional polyurethane paint. The method is characterized by including the steps of: (1) adding cesium tungsten bronze powder and a dispersant into methyl isobutyl ketone, stirring the substances evenly, then pumping the mixture into a sand mill for grinding and dispersion to an average particle size of 80-100nanometer, thus obtaining a slurry; adding castor oil and isophorone diisocyanate into the slurry, and conducting prepolymerization at 60-90DEG C for 2.5-3h, thus obtaining a component A; (2) adding p-di-o-chloroaniline methane and 3-aminopropyl trimethoxysilane into methyl isobutyl ketone, and performing heating to 40-50DEG C for dissolving to obtain a component B; and (3) mixing the component A and component B obtained in step (1) and (2) respectively, and performing brush coating into a film in 1h.

The present invention provides an air filtering medium and a preparation method. The air filtering medium comprises base cloth and a barrier layer, the barrier layer comprises at least one layer of foam structure, the foam structures are formed by adding electret masterbatches into a waterborne polyurethane system and performing foaming and wet solidification, and at least part of foams communicate. A foaming layer is solidified by coagulation liquid, waterborne polyurethane is solidified by demulsifying, the foams are fixed, moisture is evaporated by heating, and the dense foams are left to be compounded with the base cloth to form the air filtering medium. The air filtering medium disclosed by the invention is high in particle blocking rate, the preparation method is simple, and the airfiltering medium replaces a melt-blown fabric to be applied in the field of masks, so that the problem of short supply of the masks is solved.

The invention discloses epoxy neopentyl glycol oleate with a structure as shown in a formula (I), wherein the epoxy neopentyl glycol oleate can be applied to plastics as a plasticizer and is synthesized by the following steps: 1) carrying out esterification reaction on oleic acid and neopentyl glycol to synthesize neopentyl glycol oleate; and 2) carrying out epoxidation reaction on the neopentyl glycol oleate and hydrogen peroxide to synthesize the epoxy neopentyl glycol oleate. According to the invention, the preparation process is simple, and the product is excellent in processability, relatively high in ultraviolet rejection rate and good in solvent precipitation resistance when being applied to plastics as a plasticizer; and when the epoxy neopentyl glycol oleate is especially applied to wire and cable materials, the product is good in aging resistance and low-temperature impact embrittlement performance, so that the epoxy neopentyl glycol oleate is a non-toxic plastic plasticizer with excellent properties and has a wide market prospect.

The invention provides an infrared absorption coating for an automobile glass surface and a preparation method of the infrared absorption coating. The infrared absorption coating comprises the following components in parts by weight: 20-25 parts of a cesium tungsten bronze nano dispersion, 2-7 parts of a water-based resin film-forming agent, 1-3 parts of a composite coupling agent, 0.5-1.0 part of a wetting agent, 0.5-1.5 parts of an anti-settling thixotropic agent, 0.1-0.5 part of an antioxidant and 65-75 parts of water. The infrared ray absorption coating has excellent visible light transmittance and near-infrared absorption performance, the visible light transmittance is 70%, the near-infrared region blocking rate is as high as 94%, and the infrared ray absorption coating has a good absorption effect on middle and far infrared regions (8-10 microns).

The invention discloses a manufacture method of nano coating film insulation glass. A nano coating film is coated on the base surface of glass through a rolling-coating device designed by the company, wherein the thickness of the coating is 10mu m, the original color and the lighting property of glass are not influenced, and the nano coating film has strong infrared and ultraviolet obstruction capacities. The nano coating film can be applied to glass windows and doors in various occasions, has excellent insulation and heat preservation properties, and is a new generation of energy-saving glass.

The invention discloses a compound fertilizer for reducing heavy metal pollution in soil and a preparation method. The preparation method comprises the following steps: mixing a base fertilizer, a compound passivator, bentonite, and potassium humate, performing carbonization on a mixture in an anaerobic condition, and enabling a carbonized organic substance to mix with straw and peanut bran, stacking after watering; performing fermentation on the stacked mixture, after the fermentation, uniformly mixing with raw materials of a nitrogenous fertilizer, a potash fertilizer, a phosphatic fertilizer and a retarder according to a component ratio, to obtain the compound fertilizer for reducing the heavy metal pollution in the soil. Through the coordinated regulation of the compound passivator andthe retarder, an obstruction rate of crops to a heavy metal Cd in absorption can be improved, soil nutrient can be reserved, and a utilization rate of the fertilizer is improved.

The invention relates to the technical field of battery packaging films, in particular to a high-barrier-property packaging film for lithium batteries, which comprises a nylon layer, a first bonding layer, an aluminum foil layer, a second bonding layer, a reinforcing layer, a third bonding layer and a heat sealing layer sequentially arranged in a stacked mode. Wherein a BOPP film layer of which the surface is coated with a SiOX coating is arranged on the outer surface of the nylon layer; wherein the first bonding layer is a gelatin layer, the second bonding layer and the third bonding layer adopt EAA or EMAA, the contact surface of the aluminum foil layer and the first bonding layer is coated with a corrosion-resistant layer, and the heat sealing layer adopts polyurethane modified epoxy resin. According to the invention, the BOPP film layer coated with the SiOX coating is arranged on the outer surface of the nylon layer; the gelatin is used as the first bonding layer, the external oxygen resistance of the packaging film can be further improved, the water resistance of the nylon layer can be further improved through the BOPP film, and therefore the packaging film for the lithium battery has the high barrier property and is long in service life.