11results about How to "Solve dissolve" patented technology

This invention belongs to the technical field of lithium-ion battery cathode materials, specifically relating to a sulfonic acid-based organic polymer, a sulfonic acid-based organic polymer / carbon nanotube composite material, its preparation method, and its application. The sulfonic acid-based organic polymer is prepared by a dehydration condensation reaction of 2,5-diaminobenzenesulfonic acid and hexaazabenzophenanthrene hexacarboxylic acid trianal. When used as a lithium-ion battery cathode material, it exhibits high specific capacity and excellent cycle stability, overcoming the solubility problem of organic cathode materials in electrolytes. When the sulfonic acid-based organic polymer is combined with carbon nanotubes and applied to lithium-ion battery cathode materials, battery performance is significantly improved, and the capacity remains stable even after long-term cycling. The synthesis methods of the sulfonic acid-based organic polymer and the sulfonic acid-based organic polymer / carbon nanotube composite material of this invention are simple, have abundant raw material sources, and good reproducibility, making them suitable for industrial production and possessing broad application prospects in the field of lithium-ion batteries.

The invention relates to the technical field of veterinary drugs, in particular to a veterinary fluralan solution which comprises a cosolvent and a penetrant. The cosolvent is composed of N, N-dimethylacetamide and / or N, N-dimethylformamide, and the penetrating agent is composed of nonylphenol polyoxyethylene ether and / or laurocapram. According to the invention, the boiling point of the solvent and the stability and safety of the preparation are improved, the use method and the use amount of the preparation are safe and free from damage to animal skin and hair, the medicine can take effect quickly, and the bioavailability of the fluralan medicine in the fluralan solution is improved.

The invention provides a photoetching patterning method. The photoetching patterning method comprises the following steps: S1, forming a packaging material layer on the surface of a single crystal perovskite device; s2, spin-coating a layer of negative photoresist on the packaging material layer to form a target pattern; s3, etching and thinning the target pattern area on the packaging material layer; s4, removing the negative photoresist spin-coated in the step S2, and spin-coating a layer of negative photoresist again to form an intermediate pattern; s5, etching and thinning the middle pattern area on the packaging material layer until the surface of the single crystal perovskite device corresponding to the target pattern is exposed, and forming a hole structure with a T-shaped longitudinal section on the packaging material layer; s6, depositing a metal material in the pore structure to form a T-shaped barrier structure; and S7, soaking the single-crystal perovskite device in a stripping solvent, and removing the negative photoresist to complete photoetching patterning of the single-crystal perovskite device. According to the invention, the problem that a perovskite material is damaged due to solvent permeation caused by long-time solvent soaking in a single crystal perovskite photoetching patterning process is solved.

The present invention belongs to the field of synthesis of electrode materials, and particularly relates to a type of polycarbonyl hexaazatriphenylene derivative type COF and a preparation method thereof for aqueous zinc ion battery positive electrode materials. Hexaazatriphenylene hexacarboxylic acid trianhydride is subjected to a dehydration condensation reaction with terephthalic acid dihydrazine or N, N-1,4-phenylene bis (thiourea), and after the reaction is completed, heating is stopped, deionized water, ethanol, and acetone are added for washing, and suction filtration is performed to obtain a polycarbonyl hexaazatriphenylene derivative type covalent organic framework (COF), which is used to prepare aqueous zinc ion battery positive electrode materials, and has high specific capacity, excellent cycle stability, and excellent chemical (air) self-charging performance, therefore, in aqueous zinc ion battery electrode materials and flexible electronic products, it has broad application prospects. The synthesis method of the material of the present invention is simple, the source of raw materials is abundant, and the reproducibility is good, which is suitable for industrial production.

The invention provides an organic polymer crystal material based on a hydrogen bond network and a preparation method and application thereof. The material can be generally used in alkali metal ion batteries. According to the organic electrode material, unsaturated carbonyl is used as a redox active site, a piperazine structure is connected with a benzoquinone monomer to expand a conjugated structure, an intermolecular hydrogen bond can be formed, a polymer molecular chain can be connected to realize two-dimensional structure expansion, and finally a graphite-like layered structure is formed. Reversible storage of metal ions is realized through synergistic coordination of N and O in the structure and the metal ions. The organic polymer crystal positive electrode material has the advantages of easiness in large-scale production, high capacity, good rate capability, high cycling stability and the like, and has great application value.

The utility model provides a consumable-free water-based grinding oil high-precision filter element, and relates to a filter element structure, the consumable-free water-based grinding oil high-precision filter element comprises a filter element framework and filter paper sleeved outside the filter element framework, and the filter paper is a paper lamination formed by laminating double-sided rough carbon fiber paper; the filter element framework comprises a front blocking piece, a rear blocking piece, a supporting part and an elastic connecting part, the supporting part is sleeved with the filter paper, the filter paper is pressed and limited between the front blocking piece and the rear blocking piece, and the front blocking piece is fixedly connected into the filter barrel and connected with the rear blocking piece through the supporting part and the elastic connecting part. And the elastic connecting part is arranged in the supporting part, extends out of the end part of the supporting part, is connected with the rear blocking piece and is used for elastically adjusting the distance between the front blocking piece and the rear blocking piece. The double-sided rough carbon fiber paper is adopted as the material of the filter element, so that the problem that the paper filter element is dissolved in water or water-based grinding oil can be well solved; high-precision and consumable-free filtration of the water-based grinding oil is realized, and the water-based grinding oil filtering device has the advantages of higher cost and convenience.

The invention discloses a synthesis method of a triazinyl polymer for an electrode active material of a rechargeable battery. According to the method, the highly cross-linked triazinyl polymer is prepared through a Friedel-Crafts reaction of melamine chloride and an aromatic compound in a eutectic salt solvent-catalyst system of anhydrous aluminum chloride or anhydrous ferric trichloride, sodium chloride and potassium chloride. The synthesis method has the advantages that the monomer applicability is wide, the preparation process is simple and environmentally friendly, raw materials are cheap and easy to obtain, and the like. The prepared triazinyl polymer has the characteristics of high electrochemical activity, fast dynamic performance and insolubility in electrolyte, and is expected to become a next-generation green, environment-friendly, low-cost and high-performance rechargeable battery electrode active material.

This invention belongs to the field of organic electrode material synthesis, and discloses a bipolar covalent organic framework material, its preparation method, application, and battery. The chemical structural formula of the bipolar covalent organic framework material is shown in formula (1). This invention can improve the specific capacity and electronic conductivity of the cathode material, and also solve the problem of dissolution of small organic molecules.

The present invention belongs to the field of synthesis of electrode materials, and particularly relates to a type of nitrogen-containing heterocyclic covalent organic framework (COF) material with multiple active sites, and its preparation method and application. The preparation steps are as follows: under the protection of inert gas, dehydration condensation reaction is carried out by hexaazatriphenylene hexacarboxylic acid trianhydride and p-phenylenediamine or m-phenylenediamine. After the reaction is completed, heating is stopped, and appropriate amounts of deionized water and acetone are added for washing, and suction filtration is performed to synthesize a nitrogen-containing heterocyclic COF with multiple active sites. This type of COF is used to prepare positive electrode materials for aqueous zinc ion batteries, which not only have good discharge capacity and long-term cycle stability, but also the assembled flexible battery has a higher volume energy density, good flexibility and excellent mechanical toughness against repeated bending, showing its broad application prospects in the field of wearable electronic devices.

The invention belongs to the technical field of drilling fluid, and particularly relates to supersaturated brine drilling fluid as well as a preparation method and application thereof. The supersaturated salt water drilling fluid comprises water, a pH regulator, a tackifier, a filtrate reducer, a dispersant, a salt inhibitor, a powdery soluble salt and a soluble salt. The supersaturated salt water drilling fluid has a supersaturated functional characteristic, supersaturated salt suspends in the drilling fluid in the form of particles, dissolution of a salt-gypsum layer is prevented, salt particles have a temporary plugging function, reservoir damage can be prevented, and the supersaturated salt water drilling fluid has a very good reservoir protection effect.

The invention relates to the technical field of multifunctional high-entropy ceramics, and particularly discloses bismuth niobate-based pyrochlore phase high-entropy ceramics and a single-phase preparation method thereof. The chemical formula of the material is (Nb0. 36Bi1.64) (Fe0. 2Co0. 2Ni0. 2Mn0. 2Cr0. 2) NbO7-delta, the crystal structure of the material belongs to a defective A2B2O7 type single-phase pyrochlore phase structure, and the interior of the structure is disordered in position, namely, part of B-site niobium ions occupy the position of A-site bismuth ions, five equimolar magnetic transition metal ions occupy the position of the B-site niobium ions, and a certain proportion of oxygen vacancy defects exist. The single-phase high-entropy ceramic material provided by the invention has ferromagnetism at room temperature, also has room-temperature magnetoelectric multiferroic property and wide-spectrum light absorption characteristic in a visible-near infrared region of 300-2000nm, can still keep a stable pyrochlore cubic crystal phase structure after being calcined at a high temperature of 1000 DEG C for 5 hours, and has excellent high temperature resistance.