49results about How to "Good dissociation effect" patented technology

The invention relates to a chemical imidization preparation method of nano rectorite/polyimide film. A binary surface modifying agent is adopted for organic modifying on rectorite, and the prepared organic rectorite has wider interlamination region and better dissociation effect and is easier to form polyimide/nano rectorite intercalation compound; in-situ polymerization is adopted for adding the organic rectorite, so as to cause the organic rectorite to be more evenly dispersed in polyimide acid; and chemical imidization is used for preparing polyimide nano composite material, so that film forming performance thereof is better. The nano rectorite/polyimide compound film prepared by the invention is improved in thermal stability and size stability with low thermal expansion coefficient.

The invention discloses a perovskite photoelectric detector for accelerating electron filtering. The perovskite photoelectric detector comprises a substrate, an anode, an active layer and a compound cathode, wherein a hole-transporting layer is arranged between the anode and the active layer and an electron filtering layer is arranged between the active layer and the compound cathode. According to the invention, a perovskite material, which is characterized by high migration rate, low exciton binding energy, longer exciton life and longer exciton diffusion length, is taken as the active layer of the photoelectric detector, so that the loss of heat exciton in the device is greatly reduced. A novel electron filtering layer is creatively provided; the electrons can be effectively transmitted to the cathode and then collected; the recombination probability of exciton and the quenching effect of electrode to exciton can be greatly reduced; the obtained perovskite photoelectric detector has higher external quantum efficiency and spectral responsivity; the performance is obviously promoted.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a polymer electrolyte and a lithium ion battery comprising the same. The preparation method of the polymer electrolyte comprises the following steps: (1) dissolving a functional polymer in an organic solvent, and uniformly mixing to obtain a system A, wherein the mass proportion of the functional polymer in the system A is 0.2-30%; (2) uniformly mixing the system A, a lithium salt and a functional additive to obtain a mixed solution; and (3) carrying out in-situ polymerization on the mixed solution to obtain the polymer electrolyte. The polymer electrolyte has good affinity with anions of the lithium salt, has high conductivity, and greatly improves the performances of a semi-solid battery. The semi-solid state lithium ion battery prepared based on an existing lithium ion battery processing technology has good processing performances and electrochemical performances, and has a certain application prospect.

The invention discloses an air pressure dismantling device and method for a waste mobile phone. The device comprises an air pressure tank, an air compressor and an electronic control system, wherein the air pressure tank comprises a tank body and a cover, a magnetically controlled switch is arranged between the tank body and the cover, a spring slideway is arranged above the cover, and opening and closing of the cover is controlled by the electronic control system; when the cover is closed, airtight connection is formed between the tank body and the whole cover; the air compressor is connected with the air pressure tank through a pipeline. According to the method, differential pressure inside and outside a mobile phone shell is produced, the mobile phone shell is broken from inside under the action of air pressure, and the purpose of mobile phone dismantling is achieved. The method and the device are green and environment-friendly, production of toxic and harmful substances in an implementation process is avoided, batch, efficient and environment-friendly dismantling of the waste mobile phones is realized, the waste mobile phone dismantling efficiency of an electronic waste dismantling enterprise can be greatly improved, and the labor cost is reduced.

A radiation-sensitive resin composition includes a polymer component, a radiation-sensitive acid generating agent, and a nitrogen-containing compound having a ring structure. The polymer component includes, in an identical polymer or different polymers, a first structural unit represented by a formula (1) and a second structural unit represented by a formula (2). R¹ represents a hydrogen atom or a methyl group. Z is a group which represents a divalent monocyclic alicyclic hydrocarbon group taken together with R². R² represents a carbon atom. R³ represents a methyl group or an ethyl group. R⁴ represents a hydrogen atom or a methyl group. X is a group which represents a divalent bridged alicyclic hydrocarbon group having no less than 10 carbon atoms taken together with R⁵. R⁵ represents a carbon atom. R⁶ represents a branched alkyl group having 3 or 4 carbon atoms.

The invention discloses a novel gel electrolyte and application thereof in an all-solid-state electrochromic device, and relates to the technical field of electrochromic devices. The gel electrolyte comprises 85 wt% to 92 wt% of an acrylate polymer with polyoxyethylene as a main chain, 2 wt% to 5 wt% of lithium salt and 3 wt% to 10 wt% of a photoinitiator. According to the invention, the acrylatepolymer taking polyoxyethylene as a main chain is used as a matrix material of the electrolyte, the terminal group of the polymer is an acrylate group which can be cross-linked and polymerized under ultraviolet light, and the polymer has good mechanical properties after being irradiated by ultraviolet light; meanwhile, the polymer takes polyoxyethylene as a main chain and has good complexing capability with lithium ions and dissociation capability with the lithium ions, so that the ionic conductivity of the electrolyte is effectively improved; and in addition, the polymer is kept in a transparent and clear state before and after ultraviolet curing, and the discoloration process of an electrochromic device is not interfered during application.

The invention discloses a succinonitrile-based electrolyte coupled with an organic lithium salt and fluoroethylene carbonate, and relates to the technical field of lithium-ion batteries. The specificscheme is as follows: the succinonitrile-based electrolyte coupled with an organic lithium salt and fluoroethylene carbonate comprises succinonitrile, an organic lithium salt and fluoroethylene carbonate, wherein the molar ratio of the succinonitrile to the organic lithium salt is 100: 1-1:1, the organic lithium salt is a combination of a sulfonyl imide lithium salt and lithium oxalyldifluoroborate, the molar ratio of the sulfonyl imide lithium salt to the lithium oxalyldifluoroborate is 100: 1-1: 1, and the fluoroethylene carbonate accounts for 5-50% of the total volume of the succinonitrile-based electrolyte. The invention further discloses a preparation method of the succinonitrile-based electrolyte and application of the succinonitrile-based electrolyte to a lithium metal battery, theelectrolyte can form an organic-inorganic composite SEI film on the surface of metal lithium, side reaction of succinonitrile and metal lithium is avoided, and the interface stability and electrochemical performance of the battery are remarkably improved.

The invention discloses a method for dissociating corn stalks by utilizing an ultrasonic microwave enhanced deep eutectic solvent, and belongs to the technical field of corn stalk component separation. The method comprises the following steps: synthesizing a deep eutectic solvent serving as a solvent by taking choline chloride, oxalic acid and glycerol as raw materials, mixing the deep eutectic solvent with corn stalks according to a certain proportion, putting the mixture into a multi-frequency combined ultrasonic emitter, processing the mixture in the ultrasonic emitter for a period of time,taking out the mixture, putting the mixture into a microwave digestion instrument to carry out digestion; after the reaction is finished, regenerating the corn stalks in the system, and measuring thecomponents. The constructed deep eutectic solvent is cheap, natural and pollution-free, and the selected ultrasonic microwave system not only has an outstanding effect, but also can realize the deconstruction of corn stalks under mild conditions. The method is a novel method for dissociating corn stalk components.

The invention provides a method for improving quality, reducing cost and improving efficiency of ceramic raw materials prepared from granite stone waste rocks. The method comprises the following steps: multi-stage crushing, laminated crushing, coarse grain pre-selection, pre-grading, partial ore grinding, multi-stage magnetic separation, grading separation, superconducting strong magnetic separation, grading dehydration and the like. The method is a pollution-free and environment-friendly physical technology in the whole process; compared with a traditional process, the comprehensive technicaland economic indexes are obviously improved, high-quality glass and ceramic raw materials with the K2O content of 6-10wt%, the Na2O content of 0.5-3.5wt%, the SiO2 content of 65-74wt% and the Fe2O3 content of 0.15wt% and the whiteness of 60-68 are obtained, the whiteness of the product is improved from 50-53 to 60-68 degrees, the yield is improved from 51-55% to 65-72%, and the treatment capacitycan be improved by 13-18%; the product structure is refined and diversified, and a proper product is provided for material homogenization, energy conservation and consumption reduction in the downstream glass and ceramic industry machining process.

The invention discloses a dissociating agent universally used for TT3 and TT4 in serum. The dissociating agent comprises the following components in percentage by mass: 0.01%-0.1% of metal chelate; 0.01%-1.0% of an N heterocyclic compound; 0.05%-0.2% of a stabilizing agent; 0.2%-1.0% of a surfactant; and 0.5%-4.0% of an auxiliary agent and the balance of water. The dissociation agent disclosed bythe invention has a good dissociation effect, can be used as a sample pretreatment solution in an A-work project detection reagent, can well dissociate bound TT3 and TT4 in serum from respective transport proteins to enable the TT3 and TT4 to be in a free state, and then detects and verifies the content of the TT3 and TT4 in the free state by adopting a chemiluminiscence immunoassay method, and therefore, the measured value of the sample result is more accurate. The invention also provides a preparation method of the dissociating agent universally used for TT3 and TT4 in serum.

The invention discloses a method for preparing magnetic graphene oxide by using an NH3.H2O-NH4NO3 solution. The method comprises the following steps: preparing a graphene oxide solution, mixing the graphene oxide solution, an iron salt solution and the NH3.H2O-NH4NO3 solution, heating the obtained solution to 50-70 DEG C, and heating the solution to 70-90 DEG C under an ultrasonic condition to prepare the magnetic graphene oxide. The method has the remarkable advantages of stabilization of the production process through effectively combining ultrasonic treatment with the NH3.H2O-NH4NO3 solution, simplicity in operation, and production of the magnetic graphene oxide having superior performances.

The invention discloses an integrated continuous production type clay dissociation-modification-drying method. The method comprises the following steps: fully mixing and soaking clay in a dispersion solvent; uniformly adding the pretreated clay and a modifier in a meshed co-rotating twin screw extruder, adjusting the extrusion parameter, and utilizing strong shearing force of the meshed co-rotating twin screw extruder at a meshed position to loosen and tear clay aggregate; and further drying the extruded clay to obtain micro-nano clay powder in the soft gathering state, and recycling the solvent at the same time. According to the invention, the strong shearing force of the meshed co-rotating twin screw extruder at the meshed position is utilized to loosen and tear the clay aggregate, so that the requirements for equipment are low, the process is easy to control, environmental friendliness is realized, the energy consumption and the cost are low, and large-scale continuous environmental-friendly production can be realized.

The invention provides a multifunctional wet ultrafine grinding device. The multifunctional wet ultrafine grinding device comprises a transmission device, a rack, a stirring shaft and a stirring barrel, wherein the stirring barrel is arranged below the rack; the transmission device is fixedly connected to the upper part of the rack; and the top end of the stirring shaft is connected with the transmission device and extends into the stirring barrel, the stirring shaft comprises an upper section and a lower section, a scrubbing section stirring shaft of the upper section and an ultrafine grinding section stirring shaft of the lower section are arranged in an inner and outer double-layer jacket manner, the scrubbing section stirring shaft is provided with a scrubbing impeller along the radial direction of the stirring barrel, and the ultrafine grinding section stirring shaft is provided with an ultrafine grinding impeller along the radial direction of the stirring barrel. The multifunctional wet ultrafine grinding device is a multifunctional vertical stirring mill, has ultrafine grinding and scrubbing functions at the same time, can achieve ultrafine grinding and scrubbing of powder at a time, and is small in particle sizes of products and good in dissociation effect, and convenient and efficient wet ultrafine grinding equipment is provided for mineral separation of refractory minerals.

The invention discloses a beneficiation method for recycling extremely-low-grade iron and fluorite resources in iron-containing surrounding rock. The beneficiation method comprises the following steps: (1) crushing raw ore, and carrying out dry magnetic separation, pre-separation and waste discarding operation; (2) carrying out high-pressure roller grinding-wet magnetic separation pre-operation on the dry-separated concentrate; (3) carrying out wet magnetic separation and pre-selection of concentrate ore stage grinding-stage wet magnetic separation operation; and (4) conducting fluorite recovery flotation operation on iron separation tailings. According to the method, the conventional crushing-high-pressure roller milling selective crushing technology is adopted for pre-selection and tailing discarding, coarse-grain tailings with the yield being nearly 60% can be discarded, the discharge amount of fine-grain tailings is greatly reduced, the ore grinding amount is remarkably reduced, the ore grinding energy consumption is reduced by 55% or above, and the energy-saving and consumption-reducing effects are remarkable. The tailings pre-selected by dry magnetic separation and the upper part of the fine screening and classifying screen are sold as building material products, the yield is up to 60% or above, and the total yield is up to 70% or above by adding high-grade iron ore concentrate and fluorite concentrate which are subsequently recycled, so that waste is turned into wealth, harm is turned into good, and an unexpected effect is achieved.

The invention belongs to the ionic liquid field and discloses an oxazolidines ionic liquid containing carbonic ester perssad and a preparation method and application thereof. The ionic liquid has the following structural formula. In the formula, R is 0<=n<=4, and Y- is selected from BF4- or PF6- or (CF3SO2)2N- or CF3SO3-. According to the oxazolidines ionic liquid containing the carbonic ester perssad, the performance of the ionic liquid can be improved through the fact that the carbonic ester perssad is brought into intopositive ions. On the one hand, in an electrolyte solution containing lithium salt, the carbonic ester structure has a good dissolving and dissociation function on the lithium salt; and on the other hand, the ionic liquid containing the carbonic ester structure can generate SEI films well, so that the electrochemical stability of the ionic liquid electrolyte solution can be improved.

The present application provides a cell mass digestion and dissociation promoting liquid and a cell counting method. The cell mass digestion and dissociation promoting liquid comprises the following raw materials in percentage by mass: 1%-5% of polyethylene glycol octylphenol ether; 0.1%-4% of alkyl glycoside; 0.1%-1% of non-surface active agent type sulphobetaine; 0.1%-1% of zwitterionic detergent; 1%-10% of pH regulator; and the balance water. The cell digestion and dissociation promoting liquid can realize digestion and dissociation of cell masses by destroying lipid bilayers of cells, dissolving cytoplasm and cell membranes and destroying weak intermolecular binding bonds, and has high dissociation efficiency on the cell masses, so that the cell counting method provided by the present application can realize rapid and low-cost determination of the number of cells cultured on a support material in a bioreactor.