77results about How to "Uniform and stable properties" patented technology

Disclosed is an organic light emitting display device and a method of manufacturing the same. The organic light emitting display device includes the thin film transistor of the drive unit that has the activation layer formed in a structure where the first oxide semiconductor layer and the second oxide semiconductor layer are stacked, the thin film transistor of the pixel unit that has the activation layer formed of the second oxide semiconductor layer, and the organic light emitting diode coupled to the thin film transistor of the pixel unit. The thin film transistor of the drive unit has channel formed on the first oxide semiconductor layer having a higher carrier concentration than the second oxide semiconductor layer, having a high charge mobility, and the thin film transistor of the pixel unit has a channel formed on the second oxide semiconductor layer, having a stable and uniform functional property.

The invention belongs to the technical field of organic and inorganic composite materials, in particular to a preparation method of organic and inorganic composite fibrous materials with supercritical carbon dioxide. The method includes pre-treatment and activation treatment of cellulose, doping of inorganic sol to the cellulose, etc. The invention makes use of the strong permeability of the carbon dioxide under supercritical conditions, can activate the cellulose with cosolvent, or lead nano particles in the inorganic sol to be absorbed and settled on the surface of the cellulose to form an even, continuous and stable coating layer; meanwhile, some sol particles penetrate into the fiber, so as to dope plenty of cellulose. The supercritical carbon dioxide adopted by the invention is safe, reliable, non-toxic, no pollutant and recyclable, and is environment friendly green solvent. The method of the invention is simple and easy to be operated, and the hybrid material has broad application prospect.

The invention discloses a homogeneous method for preparing a wood fiber derivative under room temperature. The method comprises the following steps: drying ground wood fiber powder, suspending the dried wood fiber powder in a solvent, and stirring till the wood fiber is dissolved completely to obtain wood fiber solution; dissolving an acylation reagent in the same solvent, and stirring under the room temperature till the acylation reagent is dissolved completely to obtain acylation reagent solution; adding the acylation reagent solution into the wood fiber solution, and carrying out esterification reaction under the room temperature and a moisture isolated condition; and depositing the solution obtained after the esterification reaction, collecting, washing, freezing and drying deposits, and preparing to obtain the required wood fiber derivative. The invention has the advantages that homogeneous derivatization of wood fiber is realized under the room temperature; and not only can the homogeneity and the stability of the product be improved effectively, but also equipment requirements and energy requirements can be reduced. Therefore, the invention has a significant scientific value and practical significance on the development and the utilization of renewable resources such as wood fiber, biological substances and the like.

The invention provides a PCLm-PEG6000-PCLm thermo-sensitive self-assembled tri-block copolymer, wherein the copolymer presents two-phase transition characteristics, and can be applied to a controlled release drug delivery system as a drug carrier or can be applied to tissue engineering as a biodegradable material. The invention further provides a pharmaceutical composition containing the tri-block copolymer, and a preparation method and an application of the pharmaceutical composition. A system consisting of PCLm-PEG6000-PCLm tri-block copolymer and water can both load water-soluble drugs, and can efficiently load water-insoluble drugs, and has an excellent controlled-release effect.

The invention discloses a coating and a preparation method thereof as well as a modified asphalt waterproof roll. The coating is prepared from the following components in parts by weight: 10 to 50 parts of high-grade straight-run distillation petroleum asphalt, 10 to 50 parts of low-grade matrix asphalt, 5 to 40 parts of a macromolecular sizing material, 5 to 50 parts of a rubber powder sizing material, 1 to 20 parts of tackifying resin, 0.0001 to 0.02 part of graphene and 5 to 40 parts of filler. According to the coating, straight-run distillation asphalt with a relatively high grade is refined by adopting aryl hydrocarbon heavy oil and is used for pre-swelling difficult-to-swell macromolecular materials including SBS (styrene-butadiene-styrene block copolymer), rubber powder and the like. The graphene is added and high-thermal conductivity of the graphene is utilized so that the temperature is more uniform in a coating processing process and the processing efficiency is improved; theheating efficiency during hot-melt construction is improved; the emission of pollutants in the construction process is reduced and the ageing performance of a product is improved.

The invention relates to a method for preparing high performance Ti3AIC2 ceramic powder, comprising the following steps: Ti powder, Al powder and C powder are provided with the mol ratio of Ti3AIC2 chemical formula featuring Ti:Al:C equaling to 3:1:2; additive NaF is added by superaddition method to control purity of Ti3AIC2; NaF recruitment is 0.5-20wt.% of the total quality of Ti powder, AI powder and C powder; the material and additive powder are placed in a ball-milling jar, absolute ethyl alcohol is added to the ball-milling jar for carrying out wet mixing for 4-12 hours; material powder is obtained either by natural drying or by baking at the temperature of 60-80 DEG C; the material powder is placed in a cylindrical-tile-shaped material boat and in a combustion synthesis system, titanium carbon mixture is placed at an ignition part in front of the material powder as ignition powder; with the protection of argon, electrified tungsten filament ring is used for igniting the reactant, after natural cooling, the obtained product is Ti3AIC2 powder. The invention is characterized by rapid reaction, simple process, low cost, direct use of low-melting-point material as the material of the reactant, no generation of melting and reunion thereof, uniform reaction course, easy control and uniform and stable property of the synthetized Ti3AIC2.

The invention discloses biomass binder for clean briquette. The biomass binder is prepared from the following raw materials in parts by weight: 10-20 parts of corn starch, 5-15 parts of corn stalks, 5-10 parts of sawdust, 3-8 parts of bentonite, 10-20 parts of sodium hydroxide and 40-80 parts of water. Furthermore, the invention discloses a method for preparing the biomass binder for clean briquette. According to the method, corn stalks, sawdust and other industrial and agricultural waste are turned into wealth, and are matched with corn starch to improve the utilization of agricultural and forest waste biomass; and high-additional-value deep processing means is provided to corn development. When the biomass binder is used for producing a clean briquette, the cold strength, heat strength and heat stability can be improved after a coal briquette is molded, and the undersize fraction is reduced; and the preparation method has the advantages of simple manufacture equipment, convenience in process, short time consumption and small preparation risk.

The invention provides an amphiphilic anti-freeze molecule based on silsesquioxane, a preparation method thereof and an anti-icing surface material and belongs to the technical field of anti-icing surface materials. The invention solves the problem of an instable anti-icing effect of an anti-icing surface material in the prior art. The amphiphilic anti-freeze molecule is prepared by combining the silsesquioxane with an anti-freeze protein or an anti-freeze polypeptide. The invention also provides the preparation method of the amphiphilic anti-freeze molecule based on silsesquioxane. The method includes the steps of preparing the silsesquioxane having reactive groups and hydrophobic groups, and performing a coupling reaction to combine the silsesquioxane with an anti-freeze protein or anti-freeze polypeptide to prepare the amphiphilic anti-freeze molecule based on the silsesquioxane. The invention also provides the anti-icing surface material prepared from the amphiphilic anti-freeze molecule based on the silsesquioxane. The anti-icing surface material has the anti-icing characters of both a hydrophobic material and a hydrophilic material, enlarges a temperature window of the anti-icing surface material and is improved in anti-icing performance.

The invention relates to the technical field of adhesives, in particular to high-viscosity mildew-proof wallpaper glue. The wallpaper glue includes the components of aqueous polyurethane resin, nano calcium carbonate, a composite tackifier, polyvinyl alcohol, chitosan, a mildew inhibitor, a bacteriostatic agent, a defoamer and deionized water, wherein the composite tackifier is a special composition prepared by compounding mucopolysaccharide, modified cellulose, modified starch and other substances, and the mildew inhibitor is one selected from 1,2-benzisothiazole-3-one, methyl isothiazolinoneand 5-chloro-2-methyl-4-isothiazolin-3-one; and the defoamer is polyoxyethylene polyoxypropanolamine ether or polydimethylsiloxane or polyoxypropylene polyoxyethylene glyceryl ether, and the bacteriostatic agent is a nano silver antibacterial finishing agent. The wallpaper glue has the advantages of excellent bonding performance, good anti-aging performance, long service life, outstanding anti-oxidation and an outstanding anti-mildew effect.

The invention relates to the technical field of painting, particularly to a highly-adhesive elastic emulsion paint. The highly-adhesive elastic emulsion paint is composed of pure acrylic emulsion, styrene-acrylic emulsion, inorganic filler, compound thickening agent, polytetrafluoroethylene-polyurethane copolymer, polyacrylamide, nanometer titanium dioxide, preservative, defoamer, leveling agent and deionized water, wherein the compound thickening agent is a special combination prepared by compounding materials such as mucopolysaccharides, modified cellulose and modified starch; the organic filler is a mixture of titanium dioxide, talcum powder and light calcium carbonate; the preservative is 1, 2-benzisothiazolin-3-one, methylisothiazolinone or 5-chloro-2-methyl-4-isothiazolinone-3-one. The highly-adhesive elastic emulsion paint is high in adhesiveness and easy to dry and cure and can form coating high in elasticity, strength and washing resistance.

The invention belongs to the field of agriculture cultivation, and particularly relates to a soilless culture method for potato seedlings. Local agricultural wastes mostly existing in the Inner Mongolia are used, and the seedling soilless culture method is make according to the actual conditions of local potato planting and is suitable for seedling growth, low in cost and simple in step; limits to soil cultivation are removed, the cultivation field of potatoes is enlarged, factory-like and automation development of potatoes are promoted better and faster, and the method has wider market prospects and higher application value.

The invention belongs to the technical field of lubrication grease and specifically relates to solid-lubrication protection grease applied to a mechanical telescopic structure. The lubrication protection grease is prepared from the ingredients of base grease, solid-lubrication base grease, molybdenum disulfide, micro-powder graphite, lead dibutyl dithiocarbamate, crystalline flake graphite, a thickening agent, an extreme-pressure anti-wear reagent, an antioxidant and a structure stabilizer, wherein the base grease is hydrocarbon mineral oil or synthetic oil, and the solid-lubrication base grease contains one or more of compound calcium-based grease, lithium-based grease, aluminum-based grease, polyurea lubricating grease and compound barium-based grease. The lubrication grease can improveevenness and stability of materials by high-temperature reaction and ultrasonic dispersion treatment. The lubrication protection grease has the advantages of good lubrication, pressure-resistant and anti-wear performance, good high-temperature-resistant, antioxidant and sealing waterproof effects and very excellent comprehensive performance.

The invention provides a method for causticizing corn starch, which is characterized in that under the condition that the temperature of corn starch feeding water is 40-50 DEG C, materials are simultaneously fed and stirred, and after material feeding is completed, the obtained mixture is fully and uniformly mixed so as to form a suspension liquid; a sodium hydroxide solution with weight and volume percentages of 20% is added into the suspension liquid, and then a sodium hydroxide solid is added into the obtained substance, wherein the mass ratio of the sodium hydroxide solid to corn starch is 4:100; after the temperature of the obtained mixture rises to 65-75 DEG C, the obtained mixture is causticized for one hour; and after water is added into the causticized mixture for constant volume, a corn starch solution is obtained, and then subjected to heat preservation for later use. The corn starch solution prepared by using the method for causticizing corn starches disclosed by the invention is uniform and stable in properties, easy to store and uneasy to go bad; in case that the corn starch solution is used as an iron mineral inhibitor, no 'clustering' phenomenon occurs in the process of preparation, so that the starch utilization rate is high; and the consumption of a beneficiation reagent is reduced by over 5%, and because the causticizing temperature is lowered, the energy consumption is reduced.

The invention discloses a codon-optimized gene for encoding a precursor protein of a type-3 wild polio virus coat and a gene for encoding 3CD protein of type-1 attenuated polio virus. The genes are transferred into yeast cells and can be efficiently and spontaneously assembled into VLP (virus-like particles) in the cells through coexpression. The invention further discloses a macromolecule with immunogenicity. The macromolecule is mainly prepared from the genes in the yeast cells by expressing. The invention also discloses an application and composition of the macromolecule with immunogenicity.

The invention provides a dye binder composition, and belongs to the technical field of textile dyeing and finishing. The composition includes repeating unit copolymers which are shown as a formula (1), (2) and (3). The copolymers of the composition include many strong polar active bonds, so that the copolymers are good in rheological property and can greatly enhance the cladding strength of a binder on dye molecules when being used for the dye binder, the abrasion fastness and water fastness of fabrics and/or clothing after dyeing can be significantly enhanced, and good soaping fastness, perspiration fastness and rubbing fastness can be achieved; and the fabrics are small in discoloration and soft in hand feeling.

The invention relates to a preparation method of soft capsules containing Chinese caterpillar funguses and belongs to the technical field of pharmaceutical preparation. The method includes the steps that gelatin, glycerin and pure water serve as raw materials, the glycerin and the pure water are injected into a sol tank, heated and stirred, then the gelatin is added and continues to be evenly stirred, then vacuum defoaming is performed, and capsule bodies are made; fruiting bodies of Cordyceps militaris are smashed and extracted, leaching liquor is obtained after filtration, then the leaching liquor is subjected to decompressing concentration and spraying drying, and extract powder is obtained; sea cucumbers are steamed through steam, and the steamed sea cucumbers are ground into micro powder after being dried; the extract powder, the sea cucumber micro powder, grape mannose, algin, polyethylene glycol (peg) and glycerin are mixed, mixtures are ground through a colloid mill, and the evenly-mixed contents are obtained; the contents and the capsule bodies are subjected to pelleting, sizing, pellet washing, drying, pellet picking and subpackage, and the soft capsules containing Chinese caterpillar funguses are prepared.

The invention provides a rubber adhesive and a preparation method thereof. The preparation method of the rubber adhesive comprises: step S100, preparing a first mixture from a graphene filler, an inorganic filler, a fiber filler, an organic filler and a rubber main material; step S200, fully mixing the first mixture obtained in the step S100, 1,6-hexanediol diacrylate and dibutyltin dilaurate at 20-30 DEG C in a mass ratio of (92-96):(2-4):(2-4) to obtain a second mixture; step S300, curing the second mixture obtained in the step S200 at the temperature of 60-80 DEG C for 12-18 hours to obtainthe rubber adhesive. The rubber adhesive provided by the invention has excellent high temperature resistance and mechanical properties.