15 results about "Trithiocyanuric acid" patented technology

The invention relates to the technical field of photocatalytic materials, and particularly provides a carbon nitride / indium zinc sulfide / polyacid composite material as well as a preparation method and application thereof. The invention aims to solve the problems of high photogenerated charge recombination rate and narrow spectral range when polyacid is used as a photocatalytic hydrogen production catalytic material, and provides a preparation method of a photocatalytic material capable of improving the hydrogen production performance. The method comprises the following steps: taking tubular carbon nitride synthesized by mixing melamine, trithiocyanuric acid and urea according to a certain proportion as a precursor; lamellar indium zinc sulfide is grown on the tubular carbon nitride in situ in a hot reflux mode, and a carbon nitride / indium zinc sulfide heterogeneous material is obtained; and finally, adding the carbon nitride / indium zinc sulfide heterogeneous material into an HCl-Tris buffer solution, carrying out ultrasonic dispersion, adding dopamine hydrochloride as a binder, adding cobalt substituted phosphotungstate Na10 [Co4 (H2O) 2 (alpha-PW9O34)], and stirring at room temperature to obtain the carbon nitride / indium zinc sulfide / polyacid composite material. The preparation of the composite material solves the problems that polyacid is easy to dissolve in water, the spectral response range is narrow, and indium zinc sulfide photo-induced electrons and holes are easy to compound, the separation of photo-induced charges is promoted, and meanwhile, the specific surface area of the material is increased due to the unique tubular lamellar multilevel structure, so that more catalytic active sites can be exposed, and the catalytic activity of the material is improved. A technical route is provided for the development of the high-performance multi-acid-group photocatalyst.

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 invention belongs to the technical field of medicines, and particularly relates to application of a sulfydryl derivative in preparation of a weight-losing product. The invention provides an application of a sulfydryl derivative in preparation of a weight-losing product, and the sulfydryl derivative is selected from one or more of 2, 3-dimercaptopropionic acid, dimercaptopropanesulfonic acid, dimercaptosuccinic acid, dimercaptopropanol, trithiocyanuric acid and salts or esters of the compounds. Through animal experiments, the weight of mice is detected, and it is fully verified that the sulfydryl derivative, especially dimercaptosuccinic acid and trithiocyanuric acid, has a remarkable weight losing effect and can effectively inhibit weight increase.

The invention relates to a modified aluminum silicate wool board and a preparation method thereof, and belongs to the technical field of thermal insulation materials. The composite material is formed by compounding silicon dioxide aerogel and aluminum silicate wool, a strong cross-linking agent is added into the aerogel, the bonding strength of aluminum silicate fibers and the aerogel is improved, the strong cross-linking agent is modified by substitution reaction of trithiocyanuric acid and 11-chloro-1-undecene and introduction of a structure with a long chain and an end double bond, and the strength of the aluminum silicate fibers and the strength of the aerogel are improved. According to the present invention, aluminum silicate fibers are subjected to end double bond click reaction and grafted triethoxysilane structure modification to form the aerogel, the sulfur-nitrogen structure in the strong cross-linking agent forms chelating anchoring with the aluminum silicate fibers, and participates in the cross-linking condensation of the silicon-based sol, such that the bridging effect is provided, and the bonding strength of the aerogel and the aluminum silicate fibers is substantially improved; compared with an existing aluminum silicate fiber reinforced aerogel plate, the aluminum silicate fiber reinforced aerogel plate has more excellent mechanical property, can bear higher load in the construction and service process, and ensures heat insulation stability.

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.

The invention provides a preparation method and application of an S-type CdS-MnO2 heterojunction photo-thermal catalyst. The preparation method comprises the following steps: providing high-purity manganese dioxide; moreover, cadmium nitrate tetrahydrate is dissolved in deionized water, and a first solution is obtained; dissolving trithiocyanuric acid in deionized water, and adding sodium hydroxide to adjust the pH value to obtain a second solution; dropwise adding the second solution into the first solution, stirring, aging, filtering, washing and drying to obtain a precursor cadmium trithiocyanate; cadmium trithiocyanate and manganese dioxide are mixed in deionized water, a reaction is carried out under the heating condition, filtering, washing and drying are carried out, and the S-type CdS-MnO2 heterojunction photo-thermal catalyst is obtained, the preparation method is simple in technological process, and the prepared catalyst is good in stability and high in photo-thermal synergistic catalytic performance. The invention also provides an S type CdS-MnO2 heterojunction photo-thermal catalyst and a toluene photo-thermal catalytic oxidation method.

A coating composition comprising a resin component comprising an epoxy resin, a corrosion inhibitor comprising one or more thiol groups, and an alkyl ester of phosphoric acid, wherein the corrosion inhibitor comprising one or more thiol groups is or comprises a thiazole, an azole thiol, a trithiocyanuric acid, or a salt thereof, and wherein the resin component is substantially free of water. Use of an alkyl ester of phosphoric acid as stabilizer for such resin component, and a metal substrate at least partly coated with a coating layer deposited from such coating composition, wherein the corrosion inhibitor comprising one or more thiol groups comprises 2-mercaptobenzothiazole, 2,5-dimercapto-1,3,4-thiadiazole, a salt of 2,5-dimercapto-1,3,4-thiadiazole, or a combination of two or more thereof.

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 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 provides a chalcopyrite combined inhibitor and application thereof, and particularly relates to the technical field of copper sulfide molybdenum ore beneficiation. The combined inhibitor comprises penicillamine and trithiocyanuric acid, floating of the chalcopyrite is inhibited in the copper-molybdenum separation flotation process by adding the combined inhibitor, and therefore the floatability difference between molybdenite and the chalcopyrite is enlarged, and separation of the chalcopyrite and the molybdenite is achieved. According to the copper-molybdenum sulfide flotation separation combined inhibitor, the defects that a traditional copper-molybdenum flotation separation inhibitor is high in toxicity, harmful to the natural environment and the like are overcome, meanwhile, the remarkable flotation effect is achieved in separation flotation of copper-molybdenum sulfide ore, and the novel efficient combined inhibitor is provided for efficient utilization of copper-molybdenum ore resources.

The invention belongs to the technical field of pharmaceutical analysis, and particularly relates to a method for separating and determining a rukotinib mesylate intermediate Z2 and impurities thereof. The impurities comprise one or more of trithiocyanuric acid, triphenylphosphine oxide, an impurity SM1, an impurity SM1d, an impurity SM2, an impurity SM2d, an impurity Z1, an impurity Z1a, an impurity Z1b, an impurity Z1d, an impurity B, an impurity C, an impurity D, an impurity F, an impurity SM1b and triphenylphosphine. The method comprises the following steps: carrying out linear gradient elution by using octadecylsilane chemically bonded silica as a chromatographic column filler, a phosphate buffer as a mobile phase A and a mixed solution of methanol and acetonitrile as a mobile phase B, and detecting in a detector. And finally, detecting whether the content of the impurity SM1 is qualified by adopting a limit method, and calculating the content of other impurities by adopting a main component self-contrast method with correction factors. The method has the characteristics of good separation degree, good durability, high sensitivity and good reproducibility.

The invention relates to a method for removing pollutants in water by persulfate oxidation, in particular to a method for removing perfluorooctanoic acid in water by activating persulfate with carbon nitride and application, and the method comprises the following steps: mixing a modified carbon nitride activating agent and a persulfate oxidizing agent with water containing perfluorooctanoic acid, and carrying out temperature-controlled stirring for reaction; the modified carbon nitride activating agent is obtained by calcining trithiocyanuric acid. Compared with the prior art, the defects that in the prior art, a persulfate treatment activating agent is complex in preparation, many in limitation and poor in effect are overcome, according to the scheme, the PFOA in the water is treated through the modified carbon nitride serving as the activating agent and the persulfate, and the PFOA is efficiently removed from the water in a low-limitation and easy-to-operate mode.

The invention discloses a trimercaptotriazine trisodium salt corrosion inhibition bactericide as well as a preparation method and application thereof, and belongs to the technical field of synthesis of corrosion inhibition bactericides. The preparation method comprises the following steps: taking trithiocyanuric acid as a raw material, enabling the trithiocyanuric acid to be successfully grafted with carbon-carbon double bonds through reaction with bromopropene to generate an intermediate 2, 4-dimercapto-6-mercaptopropenyl-1, 3, 5-triazine monomer, then carrying out polymerization reaction with allylthiourea, adding an initiator under the protection of nitrogen, and heating, stirring, purifying and drying in a water bath kettle to prepare the corrosion inhibition bactericide. The corrosion inhibition bactericide has excellent corrosion inhibition performance and sterilization performance at the same time, can effectively solve the problems of corrosion and microbial pollution in oil and gas field pipelines, still has excellent stability in a high-temperature environment, and meets the use requirements of oil and gas fields and other extreme working conditions.

The invention discloses an intrinsic flame-retardant epoxy resin material and a preparation method thereof.The preparation method comprises the steps that an amino curing agent and a molten-state phase-change component are mixed, trithiocyanuric acid is added after uniform stirring, the amino curing agent and the trithiocyanuric acid are subjected to a substitution reaction, a curing agent I with intrinsic flame-retardant characteristics is generated, and the curing agent I with the intrinsic flame-retardant characteristics is obtained; then adding expanded graphite and a melamine and ammonium polyphosphate composite flame retardant, fully mixing, finally adding bisphenol A epoxy resin into the mixture, and carrying out curing reaction to form the intrinsic flame-retardant epoxy resin-based composite phase change material. The intrinsic flame-retardant epoxy resin-based composite phase change material prepared by the preparation method disclosed by the invention has nonflammability and can resist leakage.