18results about How to "Increased dispersion" patented technology

The invention discloses an optical film, a preparation method thereof and a display device, and relates to the technical field of optical functional films. The optical film comprises a base film layer and an antistatic coating arranged on the surface of at least one side of the base film layer. The antistatic coating comprises the following raw material components: water-dispersible polyester resin, water-soluble resin, a cross-linking agent and an antistatic agent; the antistatic agent is obtained by compounding a single-walled carbon nanotube modified with a hydrophilic group and polyaniline acid, the antistatic agent comprises an inner core and a coating layer at least partially coating the inner core, the inner core comprises the single-walled carbon nanotube modified with the hydrophilic group, and the coating layer comprises the polyaniline acid. According to the optical film, the single-walled carbon nanotubes and the polyaniline acid form a composite conductive structure, and then the composite conductive structure is crosslinked with the water-soluble resin and the crosslinking agent to form a three-dimensional conductive network structure, so that the optical film obtains lasting and efficient antistatic performance with extremely low environmental humidity dependence on the premise of keeping high light transmittance, low haze and good coating adhesiveness.

The application provides a method for improving the yield of oxygen-containing compounds in low-rank coal-derived soluble matters, and belongs to the technical field of low-rank coal pretreatment, and comprises the following steps: first, performing ozone oxidation pretreatment on low-rank coal to obtain modified low-rank coal; using cobalt acetate, copper acetate and iron acetylacetonate as a cobalt source, a copper source and an iron source respectively, using hydrazine hydrate as a strong reducing agent, and using a one-pot hydrothermal method to obtain magnetic Co-CuFe2O4 nanospheres; and using the prepared Co-CuFe2O4 nanosphere catalyst to perform catalytic ethanolysis reaction on the low-rank coal subjected to ozone oxidation pretreatment. In the application, appropriate ozone oxidation pretreatment can effectively improve the activity of the low-rank coal, and when the magnetic Co-CuFe2O4 nanospheres are applied to catalytic ethanolysis reaction of the low-rank coal subjected to ozone oxidation pretreatment and catalytic ethanolysis reaction of low-rank coal-related model compounds, the magnetic Co-CuFe2O4 nanospheres all exhibit excellent catalytic activity, higher-yield soluble components can be obtained, the yield of oxygen-containing compounds in the derived soluble matters is improved, and efficient and high-value utilization of the low-rank coal is realized.

This utility model provides a wool opening device, belonging to the field of wool processing technology. It includes a material box containing an opening mechanism for processing wool. The opening mechanism includes a feeding component and an opening component. The feeding component feeds wool into the material box, and the opening component is located below it, used to open the wool fibers. The feeding component includes a feeding ramp symmetrically mounted on the top of the material box and a feeding shaft symmetrically mounted above the ramp. Several feeding guide rods are distributed on the feeding shaft. This utility model can shred wool using meshing crushing rollers, avoiding problems such as uneven stress on wool fibers during opening due to improper or inaccurate roller coordination, and potential damage to some wool fibers due to over-opening.

This invention discloses a method for preparing in-situ grafted and dispersed nano-silica, relating to the field of nanomaterial preparation technology, comprising the following steps: Step ①, mixing sodium-free silica sol solution, water, and polyol in a high-pressure reactor; Step ②, gradually raising the reactor temperature from room temperature to 150-180℃, initially introducing acid anhydride gas or liquid at a certain flow rate, and maintaining temperature, constant pressure, and rotation speed until the pH value reaches 4.0-5.0±0.5, obtaining a primary mixture of hydrated nano-silica; Step ③, pumping an organosilicon coupling agent into the high-pressure reactor using a high-pressure metering pump, maintaining temperature and pressure, stirring the reaction for 30-90 minutes, then cooling, depressurizing, purging with nitrogen, and separating the reaction liquid to obtain grafted and dispersed nano-silica. This application aims to achieve readily available and inexpensive raw materials, reduce the difficulty of preparing nano-silica; solve the problems of dispersibility and compatibility with organic matter in nano-silica; simplify the procedure and improve preparation efficiency.

The present application relates to the technical field of carbon dioxide desorption, and particularly relates to a carbon dioxide phase change absorption and desorption method, which comprises the following steps: step one, rich liquid conveying: conveying the rich liquid after phase change separation to a desorption device; step two, rich liquid heating: heating the rich liquid by the desorption device; step three, desorption: completing the desorption process of the heated rich liquid by the desorption device; step four, carbon dioxide exhaust: exhausting the heated carbon dioxide by the desorption device for collection; and step five, poor liquid exhaust: exhausting the poor liquid after the desorption in the desorption device is completed; the device is provided with a detection assembly and a reflux assembly, and the secondary desorption of the secondary rich liquid is beneficial to reducing the heat loss and desorbing the carbon dioxide in the rich liquid sufficiently, so as to improve the separation efficiency of the carbon dioxide.

The application discloses a W and Mo modified Co-based catalyst and a preparation method and application thereof, and belongs to the technical field of hydrogen evolution materials. 1‑x -W x -Mo y -B, wherein x is 0.05-0.5, and y is 0.025-0.2.The W and Mo transition metal doping can effectively improve the surface area of the catalyst, avoid excessive aggregation of the catalyst particles, and make as many catalytic active sites of the catalyst as possible exposed to a reaction solution, so that the obtained quaternary catalyst has high catalytic activity and good cycle stability.

The application discloses a layered scheduling optimization method and platform for multi-resource dynamic balancing of engineering projects, and belongs to the technical field of engineering project scheduling optimization. The method comprises the following steps: an engineering project data model containing an activity directed acyclic graph, multi-type resource requirements and milestone constraints is established; a resource coupling coefficient is calculated, and a feasible time window in the form of a multi-section closed interval union is generated for each activity; a resource pool quota is allocated among projects according to a resource urgency index at a strategic layer; adaptive rolling rescheduling is started according to four types of trigger conditions at an operation layer; and a cross-layer bidirectional closed loop is formed through step-by-step feedback. The platform comprises the following modules: a multi-source data acquisition module, a biological meteorological window management module, a resource demand prediction module, a three-layer scheduling engine module and the like. The application can simultaneously realize single-resource balancing and cross-resource collaboration, so that the scheduling result has biological meteorological sensitivity, and can quickly respond when a disturbance arrives, thereby relieving on-site work, improving resource pool utilization and reducing the deviation of the construction period.

This application discloses an additive for lithium-ion batteries and its application. The additive has the following raw material composition by weight: 40-70 parts first solvent; 1-10 parts first polymer; 5-15 parts second polymer; 10-20 parts small molecule organic amine; and 10-20 parts stabilizer. The first polymer contains at least one nitrogen-free polar functional group; the second polymer contains at least one nitrogen-containing polar functional group; and the stabilizer is a hydrazine compound. The additive provided in this application, when used in lithium-ion batteries, can solve the problems of thick electrodes easily cracking and the difficulty in dispersing positive electrode particles.

The application provides a composite solid electrolyte film, a preparation method thereof and a secondary battery. The composite solid electrolyte film comprises a modified pyrochlore-type oxide solid electrolyte, a polymer matrix and a lithium salt. The modified pyrochlore-type oxide solid electrolyte comprises a pyrochlore-type oxide solid electrolyte and a polymer coating layer coated on the surface of the pyrochlore-type oxide solid electrolyte. The polymer coating layer and the pyrochlore-type oxide solid electrolyte are connected by a covalent bond. The polymer coating layer is formed by in-situ polymerization of polymer monomers on the surface of the pyrochlore-type oxide solid electrolyte. The polymer monomers are selected from monomers with trifluoroacetamide functional groups and / or monomers with urethane functional groups. The composite solid electrolyte film has excellent lithium ion conductivity.

This invention belongs to the field of plant-derived pesticide technology, specifically relating to a method for preparing a juglone microemulsion and its insecticidal activity. The juglone microemulsion comprises juglone, an oil phase, an emulsifier, a co-emulsifier, and water, with the following mass percentage composition: juglone: ​​2.5–10%, oil phase: 5–25%, emulsifier: 5–15%, co-emulsifier: 5–35%, and the balance being water. The mass ratio of the emulsifier to the co-emulsifier is 1:0.5–1:3. The juglone microemulsion of this invention uses plant-derived juglone as the main active ingredient. The prepared juglone microemulsion is an O / W type microemulsion, a clear, stable brown liquid, which can be diluted and directly sprayed onto the leaves of crops to kill and repel insects.

The application relates to the technical field of building materials, and discloses an external thermal insulation integrated non-dismantling formwork and a preparation method thereof.The external thermal insulation integrated non-dismantling formwork comprises a hard polyurethane layer and an ultrahigh-performance concrete layer poured on the surface of the hard polyurethane layer, and the material of the ultrahigh-performance concrete layer comprises the following components in parts by weight: cement 500-800 parts, light aggregate 95-152 parts, fine sand 450-720 parts, composite fiber 30-55 parts, titanate coupling agent 1-3 parts, water 100-400 parts and paraffin 10-15 parts; the composite fiber is a mixture of polyformaldehyde fiber and polylactic acid fiber; the material of the hard polyurethane layer comprises the following components in parts by weight: polyether polyol 90-100 parts, isocyanate 120-130 parts, foaming agent 1-3 parts, uniform foaming agent 2-4 parts and catalyst 0.5-3 parts.Through the technical scheme, the problem that the toughness of the non-dismantling thermal insulation formwork and the strength of the thermal insulation layer are poor in the prior art is solved.

The utility model discloses a stirrer of a foaming machine, and relates to the technical field of foaming machines. The linkage stirring device comprises a stirring tank, an air introduction assembly and a linkage stirring mechanism are arranged in the stirring tank, the linkage stirring mechanism comprises a supporting shell, the supporting shell is fixedly installed on the upper surface of the stirring tank, and a servo motor is fixedly installed on the upper surface of the supporting shell. According to the foaming machine stirrer provided by the invention, the air inlet assembly is arranged in the stirring tank, so that the mixing and dispersing degree of materials in the stirring tank is enhanced, and compared with single stirring, the stirring effect of the stirring mode is better, so that the use effect of the foaming machine stirrer is effectively improved, and through the air inlet assembly, a porous distributed air inlet structure is adopted, and a plurality of fine air inlet holes are uniformly formed in the side wall of the stirring tank; therefore, the air is more uniformly dispersed into the foaming agent solution, and the contact area and the mixing efficiency of the air and the material are effectively improved.

This application relates to the field of reagent kit materials technology, and more particularly to a method for denaturing rheumatoid factor antigen. The denaturation buffer comprises a buffer solution and a surfactant. The buffer solution comprises a buffer solute and a buffer solvent. The amount of the buffer solute, n1, and the volume of the buffer solvent, V1, satisfy the relationship: n1:V1 = (10~100):1. If the unit of n1 is mmol, then the unit of V1 is L. The mass of the surfactant, m1, and the volume of the buffer solvent, V1, satisfy the relationship: m1:V1 = (0.1~0.5):100. If the unit of m1 is g, then the unit of V1 is mL. This buffer solution, through its composition and concentration ratio, and the action of the surfactant, jointly maintains the pH stability of the solution and alters the surface properties of IgG molecules, thereby reducing their aggregation tendency and improving the dispersion of IgG during the thermal denaturation process detected by the rheumatoid factor reagent kit.

The application relates to the field of conductive carbon material dispersion, and specifically discloses a composite dispersant for a lithium ion battery preparation process and a preparation method and application thereof. The composite dispersant for the lithium ion battery preparation process comprises amine dispersants and hydrazine dispersants in a weight ratio of (1-3):(1-3), wherein the amine dispersants comprise alcohol amine small molecules, short carbon chain diamines and long carbon chain diamines, the short carbon chain diamines have a carbon chain length of C2-C5, the long carbon chain diamines have a carbon chain length of greater than or equal to C6, and the hydrazine dispersants comprise hydrazine small molecules and PEG grafted hydrazine. The use amount ratio of the composite dispersant to the material to be dispersed is (0.1-0.4):100, the composite dispersant can promote the dispersion of nanomaterials, reduce and stabilize the viscosity of nanomaterial slurry and homogenate slurry, improve the solid content, reduce the cost, avoid the formation of a physical gel in a homogenate system, and ensure the stable and continuous production of a battery production line.

This invention belongs to the technical field of plant extract nanoemulsion preparation. To address the current limited research on flavonoids in jujube seed, particularly regarding the extraction, separation, and purification of total flavonoids from jujube seed, this invention provides a jujube seed total flavonoid nanoemulsion, its preparation method, and applications. The process involves extracting fatty oil from jujube seed, enzymatically hydrolyzing jujube seed powder, fermenting the jujube seed enzymatic hydrolysate, extracting total flavonoids, purifying the total flavonoids, and preparing the nanoemulsion using a self-emulsification method. The resulting jujube seed total flavonoid nanoemulsion exhibits high purity, a simple process, and is environmentally friendly and safe. It shows promising applications in the preparation of drugs to improve insomnia, depression, and anxiety. It provides excellent encapsulation and delivery capabilities, protecting the total flavonoids from hydrolytic enzymes, gastrointestinal pH, and other environmental conditions, promoting drug absorption, and improving drug bioavailability and brain penetration. It easily crosses intestinal intercellular spaces and the epithelial barrier, increasing the cellular uptake rate of jujube seed total flavonoids and enhancing the brain targeting and effectiveness of in vivo drug administration.

The utility model belongs to feed preparation technical field, concretely relates to a kind of stirring device of tilapia feed preparation, including box, the top of the box is equipped with feed inlet, the inside of the box is provided with crushing assembly and stirring mechanism, the bottom of the box is equipped with discharge port, the stirring mechanism includes stirring shaft, the stirring shaft is driven by driving element, the outer wall of the stirring shaft is fixedly connected with stirring rod;Auxiliary stirring assembly is set in the inside of box.This tilapia feed preparation's stirring device is crushed after raw material by crushing assembly, raw material is thrown to stirring mechanism area under the action of centrifugal force, when stirring shaft rotates, moving block reciprocatingly slides on reciprocating screw groove, drives swing plate swing, so that the raw material after crushing is at different height and impact inner wall dispersion when sliding through swing plate, increase the dispersion degree of raw material, so that raw material is dispersed as much as possible, facilitate subsequent full mixing.

The invention relates to the technical field of denitration catalysts, and discloses a high alkali metal / alkaline earth metal resistant denitration catalyst, which comprises a carrier, a modified substance, an active substance and a cocatalyst, wherein the active substance and the cocatalyst are loaded on the carrier to protect the carrier, so that the carrier has high alkali metal / alkaline earth metal poisoning resistance; the carrier is TiO2 nanoparticles, the modified substance is Ce ions, and the active substance and the cocatalyst are transition metal oxides; according to the mass ratio of the metal to the carrier, the loading capacities of the modified substance, the active substance and the cocatalyst are all 3%-30%. The TiO2 nano-particles are modified, so that the TiO2 nano-particles have excellent alkaline earth metal / high alkali metal poisoning resistance and are suitable for flue gas denitration treatment of a coal-fired power plant, the denitration efficiency is greatly improved, the service life is greatly prolonged, the production efficiency is improved, the replacement cost of the catalyst is reduced, and the preparation method of the catalyst is simple, safe and easy to operate.

The application discloses a modified alumina coating and a preparation method and application thereof, and belongs to the technical field of coatings.The modified alumina coating comprises the following components: modified alumina and water-based polyurethane emulsion; the preparation method of the modified alumina comprises the following steps: mixing alumina, L-cysteine and carboxymethyl chitosan to obtain the modified alumina; the weight ratio of the alumina, the L-cysteine and the carboxymethyl chitosan is 5:(1-5):(1-8); the raw materials of the water-based polyurethane emulsion comprise the following components in the following proportions by weight: 100 parts of toluene-2,4-diisocyanate, 120-180 parts of polypropylene glycol, 15-60 parts of citric acid, 0.2-5 parts of a catalyst, 10-50 parts of triethylamine and 80-300 parts of water.The modified alumina can not only improve the antibacterial property of the alumina, but also improve the compatibility between the alumina and the water-based polyurethane emulsion, so that the antibacterial and corrosion-resistant properties of the modified alumina coating are improved.