35results about How to "Significant industrial application value" patented technology

The invention discloses a packaged catalyst, a preparation method and application of the packaged catalyst. The packaged catalyst is characterized by loading active precious metal or loading active precious metal and an additive metal oxide on a metal phase carrier of a porous anchor-attached oxide. The preparation method of the catalyst comprises the steps of firstly, carrying porous processing on a metal phase framework or alloyed metal phase framework by using acid or alkali and roasting to prepare the metal phase carrier of the porous anchor-attached oxide; and then performing equivalent-volume impregnation processing and roasting on the prepared metal phase carrier by using an M1 ion-containing solution, or an M1 ion-containing solution and an M2 ion-containing solution, or an M1 ion and M2 ion-containing mixed solution to prepare the packaged catalyst. The anchor-attached oxide provided by the invention can be used for deoxidation purification of coalbed methane and catalytic combustion removal reactions of low-concentration methane and VOCs (Volatile Organic Compounds), has the advantages of high efficiency, high activity and high selectivity, and has a remarkable industrial application value.

The invention discloses a method used for synthesizing a rosuvastatin calcium intermediate represented by formula I. The reaction route is disclosed in the invention. Raw materials used in the method are low in toxicity; synchronous recycling of used solvents can be realized; expensive materials such as 4-methylmorpholine-N-oxide, TPAP (tetrapropylammonium perruthenate), and DIBAL-H are not used, so that production cost is reduced effectively; reaction conditions are mild; energy consumption is low; no special reaction equipment is needed; operation is simple; one-pot preparation can be realized; and the method is convenient for large-scale production.

The invention relates to a preparation method of a three-dimensional carbon nanotube / textile fiber stretchable electrode material, comprising: coating the pretreated textile fiber with graphene conductive adhesive on both sides, electrostatically flocking on both sides, and then placing it in a Add a biological cationic modifier to the water bath of the chemical agent; add soda ash to adjust the pH of the dye bath, wash and dry at 65-80°C; place the carbon nanotubes in the acid solution and reflux at 110°C for 4-5h to obtain Acidified carbon nanotubes: at room temperature, the dried textile fibers are placed in a compound preparation solution of a dispersant and acidified carbon nanotubes, ultrasonicated, impregnated, and dried to obtain the product. The process of the invention is simple and easy for industrialization, and the prepared three-dimensional carbon nanotube / textile fiber stretchable electrode material is easy to realize large-scale production, and is energy-saving and environmentally friendly, and has great industrial application value.

The invention provides a preparation method of a high transparent degradable material. The preparation method is characterized by comprising the following steps of: 1) preparing raw materials: based on weight percent, weighing the following raw material components: 95-98 of polypropylene resin, 1-5 of polystyrene resin, 0.01-0.05 of food-grade benzoic acid and 0.1-0.5 of modified paraffin; 2) mixing the components to form a modified polypropylene resin mixing material; and 3) carrying out low-temperature standing on the modified mixing material for later use. The invention also discloses a method for preparing a suction tube by using the above materials. The method for preparing the suction tube comprises the following steps of: 4) preparing a suction tube extruding main machine and a round die head matched with the main machine; 5) feeding the modified mixing material in the extruding main machine to obtain a continuous round hollow suction tube; and 6) cutting the prepared continuous linear type suction tube to suction tube sections. The invention further provides the suction tube prepared by the method. The material provided by the invention is highly transparent and degradable, the method is scientific and reasonable, the production efficiency is high, the product property is good, and the cost is low.

The invention relates to a preparation method of a three-dimensional aminated carbon nanotube array / stretchable textile fiber electrode material, comprising: placing pretreated textile fibers in a composite preparation containing a dispersant and aminated carbon nanotubes at room temperature immersion, drying, to obtain a conductive stretchable fiber substrate; the aminated carbon nanotubes are placed in the electrodeposition treatment solution to obtain the electrodeposited aminated carbon nanotubes; the conductive stretchable fiber substrate is evenly coated Cover with graphene conductive adhesive, electrostatically implant electrodeposited aminated nanotubes onto the surface of the substrate on one side to obtain a three-dimensional conductive electrode material, pre-bake, bake, and absorb the aminated carbon nanotubes floating on the surface. The method of the invention has simple procedures and can greatly reduce the cost while realizing large-scale production of high-capacitance electrodes.

The present invention relates to dihydroquinazolone compounds and a preparation method thereof, the specific structure of which is shown in III. The method uses cheap and easy-to-obtain o-nitrobenzonitrile (I) and aldehydes or ketones (II) as raw materials, alcohol and water as solvents, under the action of tetrahydroxydiboron, glacial acetic acid and a catalytic amount of cuprous chloride , the target product (III) was obtained through nitro reduction, cyano hydrolysis and condensation in a one-pot reaction system. The method uses 2-nitrobenzonitrile (I) as a raw material for the first time, and has the advantages of simple operation, easy-to-obtain raw material and high yield, and has the advantages of green synthesis such as step economy, atom economy, and mild reaction conditions.

The invention discloses a synthesis method of rosuvastatin calcium intermediate formula I; the details are as follows: under the condition of using p-fluoroacetophenone and ethyl isobutyrate under the condition of sodium as base and isopropanol as solvent, after condensation The reaction produces 1-(4-fluorophenyl)-4-methylpentane-1,3-diketone; then with methylguanidine hydrochloride using isopropanol as a solvent, ring-closing reaction occurs to obtain 4-(4 ‑Fluorophenyl)‑6‑isopropyl‑N‑methylpyrimidine‑2‑amine; then with methanesulfonyl chloride using dichloromethane as a solvent, a substitution reaction occurs to obtain 4‑(4‑fluorophenyl)‑6‑ Isopropyl-2-[(N-methyl-N-methylsulfonyl)amino]pyrimidine; finally Vilsmeier reaction with DMF and phosphorus oxychloride to obtain the target compound. The method of the invention has the advantages of simple operation, cheap and readily available raw materials, mild reaction conditions, low equipment requirements, low production cost, easy large-scale production, etc., and has significant industrial application value.

The invention discloses an integrally-used palladium catalyst, a preparation method and an application. The integrally-used palladium catalyst is a catalyst loading a palladium metal or a palladium metal and auxiliary agent metal oxide on a metal phase carrier of a porous anchors oxide. The preparation method of the catalyst comprises the following steps: performing porous treatment on a metal phase frame or the metal phase frame through alloyage treatment by acid or alkali for roasting, preparing the metal phase carrier of the porous anchors oxide, then performing isopyknic dipping treatment and roasting the prepared metal phase carrier by a palladium-containing ionic solution, or a palladium ion-containing solution and a M1 ion-containing solution, and a mixture of palladium ion-containing solution and M1 ion-containing solution, and then prepared the integrally-used palladium catalyst. The integrally-used palladium catalyst can be used for reacting carbon monoxide and nitrous acid ester for synthesis of oxalic acid diester, reacting of nitrous acid ester through catalytic decomposition for synthesis of organic acid ester and reacting of carbon monoxide and nitrous acid ester for synthesis of carbonic acid diester.