16 results about "Polythiocyanogen" patented technology

The invention provides a metal plate frame and fluororubber sealing assembly and a preparation method thereof, and the preparation method is applied to the technical field of semiconductor sealing and comprises the steps that S1, a metal plate frame is coated with an adhesive, dried and then cooled, and the adhesive is a trithiocyanuric acid derivative solution; s2, a cross-linking agent and an addition agent are added in the thin-passing mixing process of the perfluoroether elastomer, a mixed rubber compound is obtained, the addition agent comprises fluorinated silicon dioxide, fluorinated titanium dioxide or PFA micro powder, and the mass of the addition agent is 2-10% of the mass of the perfluoroether elastomer; and S3, the mixed rubber sheet is placed in a metal plate frame, the metal plate frame with the mixed rubber sheet is placed in a mold to be subjected to hot pressing vulcanization forming, then secondary vulcanization is conducted, then radiation vulcanization is conducted, and the assembly is obtained. The assembly prepared through the method is resistant to plasma etching and high in cleanliness, the bonding performance of the perfluoroether rubber and the metal plate frame is good, and the rate of finished products is high.

The application discloses a preparation method of a nitrogen-containing heterocyclic compound and an alkali metal salt of the nitrogen-containing heterocyclic compound, and steps of the preparation method of the nitrogen-containing heterocyclic compound comprise: (1) uniformly mixing trithiocyanic acid with a first solvent, introducing sulfuryl fluoride gas or adding an alkenyl sulfonyl fluoride to perform a reaction, and obtaining a crude product through a crude treatment after the reaction is finished; (2) purifying the crude product to obtain the nitrogen-containing heterocyclic compound shown in a structural formula 1; wherein R1, R2 and R3 are each independently selected from -H, -SO2F or -CH2-(CH2) n -SO2F, n is an integer selected from 1-10, and R1, R2 and R3 are not H at the same time. The preparation method of the nitrogen-containing heterocyclic compound and the alkali metal salt of the nitrogen-containing heterocyclic compound can be applied to a large amount of trithiocyanic acid in a lithium battery electrolyte, raw materials are easy to obtain, operation is simple, the yield is high, the condition is mild, the requirement for equipment is low, and the method is suitable for industrial production.

The invention discloses an amorphous copper-trithiocyanuric acid coordination polymer as well as a preparation method and application thereof, and belongs to the technical field of functional materials and biomimetic catalysis. The polymer does not have a long-range ordered structure, and the copper element takes cuprous as a main existence valence state. The preparation method comprises the following steps: carrying out surface coordination reaction on cuprous oxide serving as a template and trithiocyanuric acid to form a core-shell intermediate, removing the template through acid etching, and reconstructing to obtain the final amorphous coordination polymer. The material simultaneously has high-efficiency peroxidase-like and glutathione-like oxidase double-enzyme activity, can synergistically catalyze hydrogen peroxide to generate hydroxyl radicals and consume glutathione, and can remarkably kill cancer cells by inducing a copper death mechanism in a tumor microenvironment. The material is unique in structure and excellent in catalytic performance, the preparation method is simple, convenient and controllable, and the material has wide application prospects in the fields of tumor catalytic treatment, bionic sensing and the like.

This invention belongs to the field of water treatment technology, specifically relating to a trithiocyanate-coupled graphene oxide composite material, its preparation method, and its application. To more efficiently and selectively separate and enrich copper ions in wastewater, this invention provides a trithiocyanate-coupled graphene oxide composite material, obtained by covalently coupling trithiocyanate and graphene oxide through a nucleophilic substitution reaction. This composite material exhibits excellent adsorption and removal efficiency for copper ions in complex aqueous systems with both single and multiple components, while showing minimal adsorption of other metal ions such as gallium, silver, indium, cobalt, and neodymium. Furthermore, after multiple adsorption-desorption cycle tests, the composite material maintains a high metal ion removal rate, demonstrating excellent structural stability and regeneration performance. Therefore, this composite material holds promise for the selective separation and enrichment of copper ions in complex aquatic environments, possessing excellent prospects for industrial application.

This invention provides a sheet-like sulfur-containing carbon nitride / tubular copper-doped phosphorus-nitride homo-heterojunction, its preparation method, and its application. The preparation method is as follows: S1. Calcining trithiocyanate to obtain sheet-like sulfur-containing carbon nitride; dissolving copper acetate and melamine in water, then adding concentrated phosphoric acid and stirring until homogeneous, and obtaining a tubular copper-doped phosphorus-nitride precursor using a hydrothermal method; S2. Dispersing the tubular copper-doped phosphorus-nitride precursor and sheet-like sulfur-containing carbon nitride in ethanol or an ethanol-water solution, ultrasonicating, stirring, drying, and then performing a second calcination to obtain the sheet-like sulfur-containing carbon nitride / tubular copper-doped phosphorus-nitride homo-heterojunction. The prepared sheet-like sulfur-containing carbon nitride / tubular copper-doped phosphorus-nitride homo-heterojunction is sensitive to visible light response, has high photocatalytic hydrogen production activity, and the preparation method is simple, easy to operate, and has good reproducibility.

The application discloses a kind of supermolecule self-decomposition template synthesis multi-element doped diameter adjustable carbon-based micropipe method, belong to carbon micropipe preparation technical field, operation steps are as follows: (1) respectively preparation containing melamine (M) or 2,4,6-triaminopyrimidine (TAP) solution A and containing cyanuric acid (CA) or trithiocyanuric acid (TCA) solution B;(2) A liquid drop is added to B liquid, and the supermolecule precursor of M-CA, M-TCA, TAP-TCA is obtained;(3) 2-methylimidazole and sulfur, boron, phosphorus, fluorine and other element compounds are added in the solution of precursor, and after heating and drying, the precursor composite with different diameters is obtained by drying in oven for 24h;(4) it is obtained by calcining at 500-700 DEG C for 1-2h under argon atmosphere;In the application, the synthesized supermolecule as a template has the advantages of self-decomposition, adjustable diameter, and can be partially converted into carbon-based materials;During preparation, adding appropriate drugs realizes multi-element doping in one step, and the method has the advantages of simplicity, low cost and large-scale preparation.

The invention discloses a method for synchronously degrading antibiotics and aging plastics through a defective cyano-co-doped carbon nitride photocatalyst, which comprises the following steps: adding the defective cyano-co-doped carbon nitride photocatalyst into wastewater containing antibiotics and plastics, and reacting under an illumination condition, electrons provided by the antibiotics are used for accelerating generation of. O2 <->, so that plastic aging is accelerated, and synchronous degradation of the antibiotics and plastic aging are realized; wherein the defective cyano co-doped carbon nitride photocatalyst is obtained by taking trithiocyanuric acid as a precursor and calcining twice. Through synchronous treatment, the treatment efficiency can be remarkably improved, the treatment time and the treatment cost can be reduced, meanwhile, the problems of process complexity and secondary pollution caused by respective treatment are avoided, and the method has the characteristics of efficient active oxygen generation, remarkable improvement of the aging effect and the like, so that the method has remarkable application value in the field of antibiotic wastewater and plastic pollution treatment; a new technical approach is provided for solving the problem of complicated water body pollution.

The invention discloses a preparation method of a lignin supramolecular derived carbonaceous bimetallic compound, which comprises the following steps: modifying lignin by using ethylenediamine and formaldehyde through Mannich reaction to synthesize aminated lignin; enabling the aminated lignin, melamine and trithiocyanuric acid to form a lignin supramolecular precursor; and boric acid is added into the lignin supramolecular precursor for boron doping, then the vanadium-manganese compound is added, and then the lignin supramolecular derived carbonaceous bimetallic compound is obtained through hydrothermal treatment and carbonization. According to the invention, supramolecular synthesis, nonmetal doping and metal loading are realized, the electronic structure and the pore structure of the material are optimized, the ion diffusion resistance can be effectively reduced, the ion transmission efficiency is improved, and the comprehensive electrochemical performance of the lignin-derived carbon material in an aqueous zinc ion energy storage system is improved.

The invention discloses titanium dioxide loaded trithiocyanuric acid modified loofah sponge and a preparation method and application thereof.The preparation method comprises the steps that loofah sponge is soaked in a sodium hydroxide aqueous solution and reacts for 8-24 h at the normal temperature, and alkali-treated loofah sponge is obtained; reacting the alkali-treated loofah sponge with an ethanol water solution of tetraethyl titanate at 20-100 DEG C for 12-48 hours to obtain a titanium dioxide-loaded loofah sponge; and reacting the titanium dioxide filament-loaded melon sponge, chloroacetyl chloride and an N, N-dimethylformamide solution of trithiocyanuric acid at 20-80 DEG C for 8-24 hours in sequence, taking out and drying to obtain the titanium dioxide-loaded trithiocyanuric acid modified loofah sponge. According to the preparation method of the titanium dioxide loaded trithiocyanuric acid modified loofah sponge, an organic framework does not need to be chemically synthesized; the titanium dioxide loaded trithiocyanuric acid modified loofah sponge obtained by the invention not only has excellent dye adsorption and degradation functions, but also has excellent adsorption and reduction capability on noble metal ions.

The application belongs to the field of non-noble metal catalysts, and particularly relates to a Fe-S1N3 coordination structure double-enzyme characteristic single-atom nanozyme as well as a preparation method and application thereof. The preparation method comprises the following steps: taking Hemin / ZIF-8 as a template, taking trithiocyanic acid TTCA as a sulfur source, forming a Hemin / ZIF-8@TTCA core-shell precursor, and then further carbonizing at high temperature to obtain the Fe-S1N3 coordination structure double-enzyme characteristic single-atom nanozyme. The asymmetric Fe-S1N3 coordination configuration and electronic structure make the Fe-S / N-C have higher peroxidase-like activity and glutathione oxidase activity compared with a typical Fe-N4 configuration Fe-N-C SAzyme.

The application belongs to the technical field of carbon materials, and proposes a preparation method of nitrogen-phosphorus-sulfur co-doped porous carbon, which comprises the following steps: A, dissolving chitosan in an acetic acid solution, stirring and dissolving to obtain a chitosan gel, then adding ferric chloride and thiocyanic acid, and performing hydrothermal treatment at 150-200 DEG C to obtain an intermediate product; B, mixing the intermediate product with potassium hypophosphite, and then performing carbonization at 800-1000 DEG C in an inert gas atmosphere to obtain a carbon material. The carbon material preparation method is simple, and the prepared carbon material has excellent electrochemical performance.

The application provides a treatment method of industrial organic wastewater, comprising the following steps: adjusting the pH of the industrial organic wastewater to 3.8-5.5, and performing a stirring reaction to obtain wastewater A; adding reagent B into the wastewater A, and performing a stirring reaction; and after standing, obtaining treated industrial organic wastewater; the reagent B is one or more of sodium dimethyl dithiocarbamate, sodium diethyl dithiocarbamate, trisodium trithiocyanate and sodium piperazine dithiocarbamate. The treatment method has the advantages of simple operation, simple process equipment, low investment cost, easy engineering promotion, cheap and easily available reagent, and can be used for treating heavy metal-containing organic wastewater in different industrial fields, and has good heavy metal removal effect and good industrial application value.

The invention discloses a photocatalytic material and a preparation method and application of gel of the photocatalytic material, and the method comprises the following steps: mixing trithiocyanuric acid, oxalic acid, Bi2O3 and TiO2 according to a preset mass ratio, calcining, cooling to obtain an O, S-g-C3N4 / Bi2O3 / TiO2 photocatalytic material, dispersing the O, S-g-C3N4 / Bi2O3 / TiO2 photocatalytic material in water, adding a gel matrix, stirring, aging, freezing, freeze-drying and carrying out crosslinking treatment to obtain the O, S-g-C3N4 / Bi2O3 / TiO2 photocatalytic material. The invention discloses S-g-C3N4 / Bi2O3 / TiO2 photocatalytic gel, and solves the problems of low efficiency and high preparation cost of a photocatalyst.

This invention relates to the field of photocurable functional materials technology, specifically to a UV-curable antioxidant polymerization inhibitor crosslinking agent, its preparation method, and its application. The UV-curable antioxidant polymerization inhibitor crosslinking agent is an addition product of trithiocyanate and a multifunctional (meth)acrylate compound; the functionality of the multifunctional (meth)acrylate compound is 2-21. The molecular structure of this UV-curable antioxidant polymerization inhibitor crosslinking agent contains a triazine heterocycle and multiple thioether bonds. This structure can efficiently quench oxygen in the environment during UV curing, thereby inhibiting the oxygen polymerization inhibitory effect and achieving rapid and complete curing of the coating surface. Simultaneously, the high functionality of this compound ensures a high crosslinking density in the cured film, significantly optimizing the surface curing effect and greatly improving the scratch resistance, chemical stability, and insulation properties of the UV-cured coating.

The invention relates to a molybdenum catalyst and a preparation method and application thereof. The method comprises the following steps: by taking ammonium heptamolybdate as a molybdenum source, trithiocyanuric acid as a sulfur source and activated carbon as a carrier, dispersing by ball milling, and calcining and loading in a nitrogen atmosphere to obtain the catalyst with molybdenum disulfide loaded on the activated carbon. The catalyst can be recovered through centrifugation and filtration and has excellent cycle stability. According to the method, a dexlansoprazole by-product (a mixture mainly containing levolansoprazole) is taken as a substrate, under the action of a molybdenum catalyst, hydrogen is introduced as a reducing agent, and the by-product can be reduced into the lansoprazole thioether (a synthetic precursor of dexlansoprazole) in a high-selectivity manner. In addition, racemic lansoprazole can be directly used as a substrate, high-selectivity reduction into lansoprazole thioether (a dexlansoprazole synthesis precursor) can be realized under the action of the same molybdenum catalyst, and the raw material application range of the process is further widened. The method solves the industrial problem that byproducts cannot be efficiently recycled in the existing dexlansoprazole synthesis process, has the advantages of simple reaction process, easiness in product separation and catalyst recyclability, and has a good industrial application prospect.

The invention provides a lithium ion battery, a preparation method thereof and a power utilization device. The lithium ion battery comprises a diaphragm, wherein the diaphragm comprises a base material layer, a ceramic layer arranged on at least one surface of the base material layer and a binder layer arranged on the surface of the ceramic layer; the ceramic layer comprises a first additive, the first additive comprises a first transition metal ion capturing agent, the binder layer comprises a second additive and a second binder, and the second additive comprises a second transition metal ion capturing agent; the first transition metal ion trapping agent and the second transition metal ion trapping agent respectively and independently comprise one or more of sodium xanthate, thiophosphate, thiocarbamate, trisodium trithiocyanurate and trithiol tetrabutylammonium salt. The diaphragm in the lithium ion battery can effectively reduce transition metal ions in the charging and discharging process of a battery cell, and the cycle life of the battery is prolonged.