59results about How to "Facilitate through" patented technology

The invention discloses a manufacturing method of a nanometer thermal insulation material of automobile glass. The nanometer material mainly comprises the following components according to content percentage: 50-70% of nanometer modified organic silica solution, 5-10% of nanometer oxidized silica solution, 5-15% of nanometer indium tin oxide size, 10-20% of organic solvent and 1-5% of film forming substances, and the total percentage of all the components is 100%. By adopting the method, the nanometer size with the function of thermal insulation forms a film on the inner surface of the automobile glass through an organic silicon carrier, so that the glass has the function of thermal insulation, as well as very high visible light transmission, an excellent infrared rejection rate, an excellent ultraviolet absorption rate, prominent adhesion and ultrahigh film hardness.

The invention discloses a polyimide film and a preparation method and applications thereof. The compound forming the polyimide film is the compound of which structural general formula is shown in the formula I. The preparation method of polyimide is as follows: aromatic dianhydride 2,3,3',4'-diphenyl ether tetracarboxylic acid dianhydride (aODPA) and a series of aromatic diamine monomers are used as raw materials to prepare polyimide resin through chemical imidization. The polyimide film prepared by the technology has good optical transparency, low solar absorptivity-emissivity ratio and good thermal stability, and can be used to prepare the thermal protection device of the spacecraft, the solar cell array substrate and the antenna reflector/collector or solar sail and have important application value.

The invention discloses a preparation method for a flexible and bendable aluminum ion battery. The preparation method comprises the steps of extruding graphene oxide or a graphene oxide inorganic salt mixed solution to rotary inorganic salt solution coagulating bath in spinning equipment with certain diameter; then filtering and collecting short fibers from the coagulating bath by a filtering net, and lapping joint the short fibers into graphene oxide cloth; reducing the obtained graphene oxide cloth in a reduction temperature to obtain graphene cloth; and then assembling the obtained graphene cloth positive electrode material, a diaphragm, a negative electrode, an electrolyte and a battery shell to obtain the aluminum ion battery taking the graphene cloth as the positive electrode material. The flexible and bendable aluminum ion battery is green, environment-friendly and low in cost, and suitable for continuous and controllable large-scale industrial production; under the premise of ensuring relatively high energy density, power density and cycle life of the aluminum ion battery, the flexibility and bendable property of the battery are realized; and the flexible and bendable aluminum ion battery is applicable to the field of high-safety wearable energy storage devices.

The invention aims to provide a non-aqueous electrolyte of a silicon-based anode lithium ion battery with excellent charging and discharging cycle and high-temperature storage performance. The non-aqueous electrolyte consists of a solvent, a lithium salt, an unsaturated siloxanes additive A and a fluoro-sulfimide additive B, wherein the proportion, relative to the total weight of the non-aqueous electrolyte, of the additive A is 0.1% to 3%; the proportion, relative to the total weight of the non-aqueous electrolyte, of the additive B is 0.1% to 10%; the solvent comprises cyclic carbonate and/or chain carbonate; and the molar concentration of the lithium salt in the solvent is 0.8 to 1.5 mol/L. According to the non-aqueous electrolyte provided by the invention, the high and low temperature performance and the cycle performance of the silicon-based anode lithium ion battery can be comprehensively promoted. The non-aqueous electrolyte can be applied to the field of lithium ion batteries.

The invention belongs to the field of medical technology and relates to preparation and application of a series of curcumin analogues. The curcumin analogues have structures as shown in the formula I, formula II and formula III, wherein R, R1 and R2 are as mentioned in the specification. Pharmaceutically acceptable salt and solvate of the curcumin analogues and a medicine containing the curcumin analogues or the pharmaceutically acceptable salt used as active components can be used in treatment of cancer. The curcumin analogues and the pharmaceutically acceptable salt have a good anticancer activity. A preparation method of the curcumin analogues is simple and feasible and is easy to operate.

The invention relates to a method for synthesizing monoclinic phase mesoporous bismuth vanadate through a template method. The method comprises the following steps of: mixing nitric acid, ethanol and bismuth nitrate which are weighed in a mass ratio of 1:(2.8-28):(0.2-1) by ultrasonic wave, so as to obtain a bismuth nitrate solution; mixing nitric acid, ethanol and ammonium meta-vanadate which are weighed in a mass ratio of 1:(2.8-28):(0.05-0.25) by ultrasonic wave, so as to obtain an ammonium meta-vanadate solution; dropping the ammonium meta-vanadate solution slowly into the bismuth nitrate solution, so as to obtain a mixed solution; adding silicon dioxide aerogel microspheres to be used as a template, evacuating in order to fully inject the mixed solution in the template, reacting for 6 hours to 24hours at the temperature of 60 DEG C to 110 DEG C, so as to obtain solid products; and finally, heating the solid products to 160 DEG C to 400 DEG C in a tube furnace at the heating rate of 0.5 DEG C per minute to 10 DEG C per minute, roasting for 2 hours to 24 hours, naturally cooling to room temperature, and then removing the template by using a sodium hydroxide solution to obtain the monoclinic phase mesoporous bismuth vanadate with average aperture distribution (1nm to 20nm). The method provided by the invention is simple and easy to control in process and is environment-friendly; and the monoclinic phase mesoporous bismuth vanadate obtained by the method has excellent photo-catalytic performance within the range of visible light.

The invention discloses a non-allergenic fully-degradable medical and hygienic non-woven material capable of adjusting moisture, and aims to solve the problem that the conventional degradable medical and hygienic materials are mainly made by a spunbonding method, and certain production processes are complex. The non-allergenic fully-degradable medical and hygienic non-woven material consists of the following raw materials of 60 to 80 mass percent of polylactic acid fibers and 20 to 40 mass percent of Tencel fibers and is prepared by the following steps of: preparing Tencel fiber non-woven paper by a wet laying method, wherein part of the Tencel fiber non-woven paper is fibrillated; pre-treating the polylactic acid fibers and preparing a polylactic acid fiber web; unreeling the non-woven paper on the polylactic acid fiber web once again, interweaving the fibrillated Tencel fibers with the polylactic acid fiber web by a high-pressure spraying method, and fibrillating the Tencel fibers further; and drying at proper temperature to bind the fibrillated Tencel fibers to the periphery of the polylactic acid fibers firmly. The non-allergenic fully-degradable medical and hygienic non-woven material has the characteristics of non-allergenic property and capacity of adjusting the moisture, and can be degraded fully after being discarded.

The invention provides silicon-based anode lithium-ion battery electrolyte which comprises an organic solvent, lithium salt, a film formation additive and a function additive, wherein the film formation additive comprises fluoro carbonic ester and tri-(pentafluorophenyl)borane, and the additive amounts of fluoro carbonic ester and tri-(pentafluorophenyl)borane respectively take 1%-15% and 0.1%-5% of the total mass of the electrolyte. According to the electrolyte, a stable, uniform and flexible SEI (solid electrolyte interface) film is formed on the surface of a silicon-based anode and can endure volume expansion of the silicon-based anode in repeated charging and discharging processes, so that the cycle performance of a battery is enhanced.

The invention discloses a silicon-based triphenylamine derivative, a preparation method thereof and application thereof in a perovskite solar cell. In a chemical structural formula of the silicon-based triphenylamine, substituent groups are hydrogen, methyl, methoxyl, a methylthio group and a methylseleno group, and the substituent groups can be at any substitution site of a benzene ring. The silicon-based triphenylamine derivative material is not only simple in synthesis steps and has relatively high synthetic yield, and raw material cost is extremely low, a device preparation technology is simplified after the silicon-based triphenylamine derivative material is applied to a hole transport layer of a p-i-n type planar perovskite solar cell, and conversion efficiency of the solar cell alsocan be obviously improved, so that a good application prospect is shown; besides, it is worth mentioning that the silicon-based triphenylamine derivative disclosed by the invention has good crystallinity when m is equal to 0 and is not in an amorphous form, which is infrequent in other hole transport materials, and good crystallinity after annealing is beneficial to further improvement of hole transmission rate of the silicon-based triphenylamine derivative and increase of current of the solar cell and a fill factor.

The invention discloses preparation of modified micropore spheres on the basis of a ZIF-8 type metal-organic framework material and a preparation method for preparing a novel polyphenylene sulfone solvent-resistant nanofiltration membrane by applying the modified micropore spheres. The method comprises the steps that ZIF-8 nanoparticles grow inside macropore spheres and on the surfaces of the macropore spheres, and the modified micropore spheres are obtained; the modified novel micropore spheres are added to a polyphenylene sulfone membrane casting solution, and the novel polyphenylene sulfone solvent-resistant nanofiltration membrane containing the modified micropore spheres is prepared through an immersion-phase conversion method. The reparation method of the novel polyphenylene sulfone solvent-resistant nanofiltration membrane containing the modified micropore spheres has the advantages that nano-scaled porous structures of the modified micropore spheres are utilized for improving the pore structure of the polyphenylene sulfone membrane, large-size solute molecules in the organic solution are effectively intercepted, and fluid channels, facilitating solvent permeation, in the membrane are increased; when the addition ratio of the modified micropore spheres is 1.0 wt%, the membrane property is the best, and the permeation flux and interception rate can be increased simultaneously.

The invention relates to the field of medicines and in particular relates to a brinzolamide nanosuspension preparation used for eyes as well as a preparation method and application thereof, aiming to lengthen the residence time of the preparation on the eyes or improve the bioavailability of the preparation. The preparation can be used for treating the diseases, such as intraocular hypertension and glaucoma. Gels can conduce to lengthening the retention time of the medicine on the eyes and reducing the number of times of administration and the dosage of administration, so that not only is the patient compliance improved but also the side effects of the medicine can be reduced. Meanwhile, no preservative is added and single-dosage package is adopted, thus reducing the irritation of eye drops used for a long term to the eyes and greatly improving the medication safety.

The invention provides a phosphorus-based organic matter intercalation structure selective infrared absorption material, a preparation method and the application thereof. The infrared absorption material can be simplified into POH-LDHs, and has the molecular formula of (M2+) 1-x (Al3+) x(OH) 2(An-) a(NO3-) b. mH2O. The preparation method of the material comprises the steps of: taking hydrotalcite as precursor; adopting an ion exchange method to insert phosphorus-based organic matter negative ion into the hydrotalcite layer; and assembling, and obtaining the phosphorus-based organic matter intercalation structure selective infrared absorption material with good crystalline phase structure. The infrared absorption material has excellent infrared absorption capability, and is better in the infrared absorption effect than MgAl-CO3-LDHs, thus being a good infrared absorption material. The material is suitable for being applied to a thin polymer film of polyethylene or ethylene-vinlacetate copolymer, etc.

The invention provides a leakproof humidifying composite hollow fiber membrane as well as a preparation method and application thereof. The leakproof humidifying composite hollow fiber membrane comprises an outer hydrophilic layer and an inner hydrophobic layer attached to the inner surface of the outer hydrophilic layer, the outer hydrophilic layer is of a spongy pore structure, the pore diameter of the outer hydrophilic layer becomes smaller from the outer surface to the inner surface, and the thickness of the inner hydrophobic layer of the leakproof humidifying composite hollow fiber membrane is smaller than that of the outer hydrophilic layer. According to the prepared leakproof humidifying composite hollow fiber membrane with the asymmetric structure of the inner hydrophobic layer and the outer hydrophilic layer, the thickness of the inner hydrophobic layer of the membrane is smaller than that of the outer hydrophilic layer, due to the fact that one side of the membrane is hydrophilic and the other side of the membrane is hydrophobic, the membrane shows asymmetric hydrophilic/hydrophobic dual performance, and the membrane is a novel membrane for humidifying treatment of a fuel cell; water molecule capture and permeation are facilitated, and meanwhile water vapor escape is facilitated.

The invention relates to a preparation method for a waterproof gas-permeable type textile polyurethane coating agent, and belongs to the technical field of coating agents. According to the technical scheme adopted by the invention, a keratin solution is prepared from feathers, and is polymerized with a polyurethane material; the coating agent is formed after the polyurethane material and keratin are polymerized, keratin is uniformly dispersed inside the material, and a continuous channel is formed in the modified coating layer, so that water vapor penetration is facilitated; the keratin solution can effectively promote the interface between the keratin and polyurethane to have a great number of seams, so that a novel moisture penetrating channel is formed, and therefore, moisture penetrating amount is remarkably improved, and waterproof gas-permeable performance of the coating agent is further improved. Keratin and polyurethane are polymerized, so that keratin loses water under a high-temperature environment, and heat resistance of a composite material is effectively improved; and meanwhile, in a preparation process, the polyurethane material is subjected to self-polymerization reaction, so that number of terminal groups of prepolymer is increased, and effective cross-linking density of the coating is improved, and therefore, a water pressure resistance value of the coating iseffectively increased, and washing distance and toughness of the coating are effectively improved.

The invention discloses a water-based coating material of a lithium battery diaphragm. The water-based coating material comprises the following components in percentage by weight: 30%-90% of inorganicnano dispersion liquid, 1%-10% of a binder, 0.1%-10% of an inorganic thickener and the balance of other assistants, wherein the inorganic nano dispersion liquid comprises hollow inorganic nano particles; the inorganic thickener comprises at least one of nanoscale aluminum silicate, nanoscale magnesium aluminum silicate and porous silica sol; according to the water-based coating material, in the process of coating the diaphragm and volatilizing the coating, the inorganic thickener and the hollow inorganic nanoparticles can jointly maintain the structural integrity of stacked holes in the diaphragm, so that the air permeability of the diaphragm is improved, and the migration number and the thermal stability of lithium ions are improved; on the other hand, the inorganic thickener is used, sothat the prepared water-based diaphragm coating is more environment-friendly.

The invention discloses a building sunscreen heat insulation coating and a preparation method thereof. The preparation method comprises the following steps: mixing waterborne acrylic resin, modified silicon dioxide sol, zinc phosphate, organic fluorine epoxy resin and organic silicon resin to obtain a blended material, adding the blended material into a stirring tank, uniformly stirring, and filtering. Boric acid microparticles and an inorganic filler are doped into a SiO2 sol precursor, so defects in the nonlinear optical crystal are filled, the infrared radiation performance is further regulated and controlled, and the function of enhancing the infrared radiation performance of the atmospheric window wave band is achieved; and a dispersing agent is added the molecular chain of the dispersing agent can be completely expanded in an aqueous solution, and forms a surface adsorption layer with a certain thickness on the surfaces of SiO2 aerogel particles, and a steric hindrance effect is generated, so that the aims of promoting the development of high-grade green buildings and improving the dispersion stability of a SiO2 aerogel system are fulfilled.

The invention discloses solar cell glass. The solar cell glass is prepared from, in parts by weight, 60-80 parts of a glass substrate, 0.5-1.5 parts of an activator, 1-3 parts of a sensitizer and 5-15parts of an oxidant, wherein the glass substrate is prepared from, in parts by weight, 72-79 parts of SiO2, 5-14 parts of CaO, 10-16 parts of Na2O, 1.5-6 parts of MgO and 0.5-3 parts of Al2O3. According to the solar cell glass, since a small quantity of the activator is added, the efficiency of energy transfer of the solar cell glass can be increased, the heat absorption of the solar cell glass can be reduced, and the light transmittance of the solar cell glass can be improved; meanwhile, through the addition of a small quantity of the sensitizer, the solar cell glass can be more sensitive tolight, so that light transmission through glass is facilitated, and the light transmittance of the solar cell glass is increased; the solar cell glass can be applied to the field of manufacture of solar cell glass.