43results about How to "Suitable for industrial large-scale production" patented technology

The invention provides a gel tissue plugging material and a preparation method thereof, and a plugging product. The gel tissue plugging material comprises: a matrix, wherein the matrix comprises a gellayer; and a wet-state adhesion layer on at least one surface of the matrix, wherein at least one surface of the matrix contacts an adhesion solution to obtain the wet-state adhesion layer, the adhesion solution contains an amino compound and a buffer liquid, and the amino compound is dissolved in the buffer liquid. According to the present invention, the gel tissue plugging material has advantages of excellent adhesion property, excellent bursting strength, suitable elongation at break and good elasticity, and can be effectively adhered to the surface of organisms or substantial organs so asto provide tissue plugging effect.

The invention provides flexible bionic electronic skin and a preparation method thereof. The flexible bionic electronic skin comprises a piezoresistance layer and a thin film electrode, wherein the piezoresistance layer is at least partially provided with a porous structure; the piezoresistance layer is in contact with the thin film electrode; the piezoresistance layer in the contact interface region of the piezoresistance layer and the thin film electrode is at least partially provided with a filling region; an elastic body is contained in the filling region; the resistance value of the piezoresistance layer is detected through the thin film electrode; the intensity of the received force of the flexible bionic electronic skin is determined according to the detecting result. The flexible bionic electronic skin can feel the existence of airflow and pressure; the structure is ingenious; the sensitivity is high; the flexible bionic electronic skin has certain mechanical stability.

The invention relates to a liquid crystal type emulsifying compound, a preparation method and an application thereof. The liquid crystal type emulsifying compound comprises the following components byweight: 0.01-5% of liquid crystal type emulgator, preferably 0.1-3%; 0.01-5% of suspension stabilizer, preferably 0.3-4%; 0.1-5% of water-in-oil emulgator, preferably 0.5-4%; 0.1-5% of higher aliphatic alcohol, preferably 0.5-3%; 30-80% of water, preferably 50-75%. The liquid crystal type emulsifying compound disclosed by the invention is gentle and no-stimulation, is high in stability, has the functions of deeply moistening and effectively preserving moisture and is capable of forming a liquid crystal protective barrier on skin surface, protecting skin from being injured by external environment and effectively relieving the skin problem under environmental pressure. The liquid crystal type emulsifying compound disclosed by the invention also has a certain spreadability and glossiness andis capable of achieving a long-acting moistening effect and keeping skin long-lasting moisturized and glossy.

The invention provides a fiber-based three-dimensional porous composite material for bone repair and a preparation method thereof and a molded product. The fiber-based three-dimensional porous composite material comprises micronano fiber powder and a binder, wherein the particle diameter of the micronano fiber powder is 10-500 micrometers, the diameter of fiber forming the micronano fiber powder is 0.1-100 micrometers, and the micronano fiber powder is evenly dispersed in the binder; the binder comprises biodegradable and self-curable inorganic components; the fiber-based three-dimensional porous composite material comprises, by mass, 5-50% of the micronano fiber powder, the porosity of the fiber-based three-dimensional porous composite material is 30-85%, and the compressive strength is 1-15 MPa. A constructed fiber-based three-dimensional connected porous scaffold is simple in preparation method and has a micronano fiber structure, so that the scaffold has a remarkable induced osteogenesis effect; the constructed fiber-based three-dimensional connected porous scaffold can better meet the filling demand of bone defect sites and can provide better mechanical properties.

The invention provides an anode Sn-Ru-Ir/TiO2 nano-particle catalyst for a seawater electrolytic reaction and a preparation method thereof. The catalyst is composed by that: IrxRu1-xSnyOz metal oxide nano-particles are loaded on a titanium dioxide nano-particle vector, and the titanium dioxide vector accounts for 1 to 20 mass percent. The catalyst is prepared by adopting a stepwise homogeneous precipitation method in the following steps of: mixing soluble SnIV, RuIII and IrIII salt solutions and the titanium dioxide vector; regulating the PH value, and heating; homogeneously generating Sn(OH)4, Ru(OH)3 and Ir2O3.H2O precipitates stepwise by the soluble SnIV, RuIII and IrIII salts, and performing stirring or ultrasonic oscillation to form suspension; and washing, drying and calcining the suspension to prepare the anode nano-particle catalyst. The catalyst has small microcrystalline particles, high electrocatalytic performance and excellent stability; and the preparation method is simple and economic, and is suitable for industrial production in scale.

The invention discloses a preparation method of a high-activity and free-reduction Cu/ZnO catalyst and relates to a preparation method of a catalyst. According to the preparation method, acetic anhydride is adopted for replacing original multi-carboxyl organic acid (such as citric acid, glycine and oxalic acid) or formic acid as a chelating agent and a reducing agent; in the stirring process after an alcohol solution with different moles of acetic anhydride is mixed with copper nitrate and zinc nitrate, small bubbles are generated in the solution slowly and are released slowly, brown-yellow oxynitride is released, and then sky-blue uniform precipitates are obtained; after the precipitates are roasted in an inert atmosphere at the temperature of 300 DEG C, the deep-red ultrafine metal Cu/ZnO catalyst can be directly obtained by one step. The Cu/ZnO catalyst is directly used for a synthetic reaction of methanol without any additional reducing process, and is excellent in reaction activity and methanol selectivity.

The disclosure relates to a composite coating material as well as a preparation method and application thereof. The composite coating material is prepared from a base material, a primer layer formed on the surface of the base material, a paint layer which contacts the primer layer, and a topcoat layer formed on one side of the paint layer opposite to the primer layer, wherein the primer layer is prepared from polyurethane acrylate, epoxy acrylate oligomer, a resin monomer and additives. The composite coating material disclosed in the disclosure can improve the aging and discoloration problems.Even if a composite coating of a light color system (e.g. white, light green, light pink, etc.) is used, the discoloration and aging problems can also be improved.

The invention relates to a concealer composition and a preparation method thereof. The concealer composition comprises, by mass, 1-10 wt% or 3-6 wt% of emulsifying agent as a preference, 15-35wt% or 20-32 wt% of grease as a preference, 1-5 wt% or 2-4 wt% of a film-forming agent as a preference, 8-20 wt% or 12-18 wt% of a concealer agent as a preference and 1-4 wt% or 1-3 wt% of oil-control components as a preference, wherein the concealer agent comprises titanium dioxide and an HDI/trimethylol hexyllactone crosspolymer. The concealer composition not only has high capacity of spot or mark concealing, but also has an excellent oil-control effect, and is suitable for people with oily skin. In addition, the concealer composition has the function of skin whitening, can prevent melanin pigmentation, and reduces acnes easily. The preparation method of the concealer composition has higher safety and a lower cost, the raw materials are easy to obtain, and the preparation method is suitable forindustrial production on a large scale.

A perovskite structure lanthanum manganese oxide/zinc oxide alloplasm p-n junction and the preparation method pertains to the semiconductor material manufacturing field. The invention uses a magnetron sputtering method to prepare the perovskite structure lanthanum manganese oxide/zinc oxide alloplasm p-n junction. The structure of the p-n junction is a Si(100) single crystal chip(1) substrate, a Pt electrode layer (2), a ZnO film(3), and a LSMO film(4). The invention preparative LSMO/ZnO p-n junction not only has excellent rectification characteristic in the temperature range of 40-320K, but also has solved the problem of the existing technology that has a high use cost of PLD, and is not suitable to apply in large-scale industrial production. The perovskite structure lanthanum manganese oxide/zinc oxide alloplasm p-n junction obtained by the inventive method has good application potential in spinning electron device field.

The invention provides a porous tissue blockage material as well as a preparation method and a blockage product thereof. The porous tissue blockage material comprises a matrix and a wet-state adhesionlayer existing on one or more surface of the matrix; the matrix is at least partly provided with a porous structure; the average pore size of the matrix is 50-200 microns, and the porosity is 80-96 percent; the wet-state adhesion layer is obtained by contact of one or more surface of the matrix and an adhesion solution; the adhesion solution is prepared from an amino compound and a buffer solution; and the amino compound is dissolved in the buffer solution. The porous tissue blockage material has excellent adhesion performance and burst strength and proper elongation at break and can performeffective adhesion to the surface of an organism or a parenchymal viscera. Meanwhile, the matrix of the porous tissue blockage material has relatively large porosity, can rapidly absorb liquid and isbeneficial to enable a wound to keep relative dry so as to better maintain the adhesion performance of the blockage material.

The invention belongs to the technical field of cosmetics, and particularly relates to an anti-dry and anti-sensitivity composition and a preparation method. The composition comprises the following components by total mass: 10-40% of an anionic surfactant, 1-12% of a nonionic surfactant, 1-28% of a zwitterionic surfactant, 0.5-40% of a plant extract composition, 0.5-35% of grease and 0.1-6% of a skin conditioner. Through reasonable matching of amino acid surfactants, a mild and foam-rich amino acid combined framework is formed, cleaning is milder than that of a traditional surfactant, and skindryness due to excessive degreasing is avoided; the plant extract composition is matched, so that multiple functions of resisting sensitivity, resisting inflammation, preserving moisture and the likeare achieved on the skin; through the combination of all the components, shower gel has a synergistic interaction effect; the composition has multiple effects of mild cleaning, moisturizing, sensitivity resistance and the like, is non-irritating to the skin, and is safe and mild; and furthermore, the preparation method of the shower gel composition has very high safety and relatively low cost, and is suitable for large-scale industrial production.

The invention provides a self-repairing composite coating, application of the self-repairing composite coating, an anticorrosion material and a preparation method of the anticorrosion material. The self-repairing composite coating comprises a hydrophobic layer and a hydrophilic layer, wherein the hydrophobic layer and the hydrophilic layer make contact with each other. The hydrophobic layer comprises hydrophobic matter. The hydrophilic layer comprises a self-repairing layer. The self-repairing layer comprises hydrophilic matter A. the hydrophilic matter A comprises at least one type of dynamiccovalent bonds. Compared with the prior art, the self-repairing composite coating, application of the self-repairing composite coating, the anticorrosion material and the preparation method of the anticorrosion material have the advantages that the self-repairing composite coating can be applied to the field of corrosion resistance, do not allow liquid to permeate, and can automatic repair the defects of the coating in the preparation process and the using process, and then the anticorrosion effect can be effectively achieved; and furthermore, according to the self-repairing composite coating, the situation that a substrate is corroded because liquid enters the composite coating and makes contact with the substrate is avoided, the defects of the coating can be automatically repaired in the preparation process and the using process, and the self-repairing composite coating has the excellent biocompatibility.

The invention provides a tissue occlusion material, a method for preparing the same and an occlusion product. The tissue occlusion material comprises a matrix and wet-state adhesion layers. Cellosilkwith the diameters ranging from 10 nm to 100 micrometers is interwoven to form the matrix, and the matrix is at least partially provided with porous structures; the wet-state adhesion layers are arranged on at least one surface of the matrix, the surfaces of the matrix are in contact with adhesion solution to form the wet-state adhesion layers, the adhesion solution comprises amino compounds and buffer solution, and the amino compounds are dissolved in the buffer solution. The tissue occlusion material, the method and the occlusion product have the advantages that the tissue occlusion materialis excellent in adhesion property and burst strength and appropriate in elongation at break, and can be effectively adhered with the surfaces of organisms or the surfaces of solid organs; the tissueocclusion material is further provided with porous network micro-structures formed by the cellosilk, and accordingly wound healing and tissue regeneration can be promoted.

The invention provides a dye dispersant and a preparation method thereof. The preparation method for the dye dispersant comprises the following steps: taking a naphthalene compound and sulfuric acid for performing sulfonation reaction; collecting low-boiling-point organic matters generated in sulfonation reaction; adding the low-boiling-point organic matters into a reaction system of sulfonation reaction and then continuing to react, thereby acquiring a sulfonated product. The preparation method for the dye dispersant provided by the invention is capable of reducing the dosage of sulfuric acid, so as to greatly reduce the generation of waste residue calcium sulfate and achieve the purpose of environmental protection. Besides, the preparation method provided by the invention can avoid the problem of decline in quality of the product caused by the introduction of other unknown materials. Furthermore, the preparation method for the dye dispersant provided by the invention has higher safety, environmental protection property, lower cost and suitability for industrial large-scale production.