6 results about "Process synthesis" patented technology

The invention relates to the technical field of preparation of fine chemical additives, in particular to an alkynol modified organic silicon leveling agent material as well as a preparation method and application thereof. The alkynol modified organosilicon leveling agent material provided by the invention realizes the synergistic effect of four core functions: (1) the surface tension of the coating is obviously reduced to 22-25mN / m, and the surface defects such as shrinkage cavities and fisheyes are effectively eliminated; (2) through directional arrangement of polar groups in molecules, the wettability to base materials such as metal, plastic and wood is greatly improved; (3) flexible siloxane chain segments form directional arrangement on the surface of the coating, so that an excellent slipping effect is achieved; and (4) the defoaming and foam inhibition efficiency of the sample is properly improved. The process synthesis is realized through a one-pot reaction, the reaction time is shortened by 50% or above, complex post-treatment is not needed, the product yield reaches 95% or above, and the method is suitable for the high-end fields of industrial coatings, electronic packaging, automobile OEM and the like.

The utility model is applicable to the technical field of synthesis processing of hydrogen-bond organic frameworks (HOFs), and provides a device for synthesizing a porous material for capturing carbon dioxide, which comprises a synthesis box fixedly mounted on a mounting plate and used for synthesizing and processing the HOFs material for capturing carbon dioxide, the filter box is fixedly mounted on the mounting plate; the filter box is communicated with the synthesis box; and the filter screen is fixedly arranged in the filter box and is used for filtering HOFs crystals in a solution after the HOFs material synthesis reaction. According to the device for synthesizing the porous material for capturing the carbon dioxide, provided by the scheme, the HOFs material for capturing the carbon dioxide can be synthesized and processed, and the synthesized HOFs crystal can be directly filtered, so that a worker can conveniently treat the synthesized HOFs crystal, the overall complexity of synthesizing and manufacturing the HOFs material is reduced, and the production efficiency of the HOFs material is improved. And convenience is provided for work of workers.

The invention discloses a technological synthesis method of 6-(N-ethyl-4-toluidine)-2-methylfluorane, and relates to the technical field of organic synthesis. The method comprises the following four steps of: (1) reacting resorcinol as shown in a formula I and p-toluidine as shown in a formula II in an acid catalysis system and an organic solvent at 110-145 DEG C for 20-28 hours to obtain a formula III; (2) carrying out reductive amination on the compound shown in the formula III and a compound shown in the formula IV (paraldehyde) in the presence of a catalyst under the hydrogen pressure of 0.1-5 MPa to obtain a compound shown in the formula V; (3) reacting the formula V with a formula VI (phthalic anhydride) in an organic solvent at 100-120 DEG C for 10-15 hours to obtain a formula VIII; and (4) carrying out dehydration condensation on the formula VIII and the formula IX (p-cresol) under an acidic condition to obtain a target product. Raw materials are easy to obtain, the yield of each step is larger than or equal to 80%, energy consumption and cost are reduced, operation safety is improved, the method is suitable for industrial production, and import dependence of high-end heat-sensitive materials can be broken through.

The invention provides a preparation method of a heterostructure hard carbon negative electrode material. The preparation method is short in process synthesis route; microalgae powder and lignocellulose biomass powder are used as raw materials; the preparation method comprises the two treatment steps of co-hydrothermal carbonization and thermal shock, biomass impurities can be removed through co-hydrothermal carbonization, the yield and specific capacity of final hard carbon are improved, the hard carbon material has rich surface functional groups and closed pore structures through the thermal shock step of rapid heating and cooling, and the specific capacity of the hard carbon material is improved. The electrochemical capacity of a hard carbon negative electrode slope region and a platform region is improved; the invention also relates to a heterostructure hard carbon negative electrode material, the hard carbon negative electrode material is long-range disordered short-range ordered heterostructure hard carbon, the reversible capacity and charge transfer efficiency are high, and the electrochemical performance is excellent; the invention also relates to an application of the heterostructure hard carbon negative electrode material in preparation of a sodium ion battery negative electrode material, the specific capacity of the hard carbon negative electrode material is 265 mAh g <-1 > (50 mA g <-1 >), and the first week coulombic efficiency is 92.3%.

Integrated synthesis gas upgrading system (100), characterized in that the system (100) comprises: a subliquefaction compression unit (101) designed to compress gas components of the synthesis gas to a subliquefaction pressure, wherein the subliquefaction compression unit (101) is designed to compress the synthesis gas to a subliquefaction pressure of the gas component with the highest liquefaction pressure; a first pump unit (102) connected to the preliquefaction compression unit (101) and designed to receive the preliquefied synthesis gas and deliver it to another unit; a pressure vessel unit (103) connected to the first pump unit (102) and designed to receive and regulate the flow of the subliquefied synthesis gas;a stabilization chamber unit (104) connected to the pressure vessel unit (103) and designed to receive and process the subliquefied synthesis gas to remove impurities; a second pump unit (105) connected to the stabilization chamber unit (104) and designed to receive and transfer the processed synthesis gas to another unit; and an ignition chamber unit (106) connected to the second pump unit (105) and designed to carry out controlled ignition to ensure stable combustion of the processed synthesis gas.

The application discloses a synthesis method of a single molecular weight heterobifunctional PEG (X-PEG-Y) connector Bromoacetamide-PEG44-Azide, and relates to the field of organic synthesis. The biological orthogonal chemical reaction of azide reagent with hydrophilic polyethylene glycol chain, alkyne, dibenzocyclooctyne (DBCO) and bicyclo[6,1,0]nonyne (BCN) is widely applied due to mild reaction conditions, fast speed and good biocompatibility. The application successfully prepares a brand-new single molecular weight azide heterobifunctional molecule Bromoacetamide-PEG44-Azide through ten steps of conventional transformation such as protection, bromination and substitution, with a total yield of about 30% and a scale of hundreds of grams. The route is simple in operation and treatment, mild in reaction conditions, is a brand-new process synthesis route, and has good economic benefits and market prospects.