12 results about "Ruthenium trichloride" patented technology

This invention discloses a composite nanozyme that enhances the clinical efficacy of oxaliplatin, its preparation method, and its application. The composite nanozyme consists of indium ruthenium nanozyme and an iliximab embedding and anchoring layer. The indium ruthenium nanozyme consists of indium ruthenium nanoparticles and a carbon-nitrogen framework, with the indium ruthenium nanoparticles loaded on the surface and within the pores of the carbon-nitrogen framework. The iliximab embedding and anchoring layer consists of a dithiol polyethylene glycol coating layer and iliximab. Preparation method: ZIF-8 is prepared by co-precipitation of zinc salt methanol solution and 2-methylimidazole methanol solution, followed by calcination to obtain the carbon-nitrogen framework. The carbon-nitrogen framework dispersion is then stirred in an oil bath with indium nitrate solution and ruthenium trichloride solution to prepare a nanozyme precursor, followed by calcination to obtain indium ruthenium nanozyme. The indium ruthenium nanozyme is dispersed in a dithiol polyethylene glycol solution, and iliximab solution is added dropwise. The resulting solid product is then dried. This invention can solve problems such as strong drug tolerance, insufficient intracellular accumulation, and severe tumor immunosuppression in oxaliplatin treatment.

The application belongs to the technical field of hydrogen production catalysts for electrolysis of water, and particularly relates to a preparation method of a nitrogen-doped carbon quantum dot loaded ruthenium-based hydrogen evolution electrocatalyst, which comprises the following steps: (1) taking alkali lignin and urea, adding them into deionized water, mixing uniformly, then adding ruthenium trichloride, mixing uniformly, and performing hydrothermal reaction to obtain a precursor; (2) after the precursor is reduced to room temperature, freeze-drying and annealing are performed to obtain the nitrogen-doped carbon quantum dot loaded ruthenium-based hydrogen evolution electrocatalyst. The electrocatalyst prepared by the method has high catalytic activity and stability, and can particularly exhibit excellent catalytic performance in a full pH range (including acid, neutral and alkaline conditions, i.e. 0-14 pH values).

This invention discloses a Ru@Zr x Hf y This invention relates to the field of electrocatalysts and its preparation method. The method includes weighing x mmol zirconium tetrachloride, y mmol hafnium tetrachloride, and 1 mmol terephthalic acid, dissolving them in 40–60 mL of DMF to form solution A; adding 3–5 mL of formic acid to solution A to form solution B and then sonicating the solution; subjecting solution B to a hydrothermal reaction to obtain product C; washing and centrifuging product C with a mixed solvent and then drying it under vacuum to obtain powder; dispersing 200 mg of the powder in 30–40 mL of methanol to form solution D; dispersing 0.1–0.3 mmol ruthenium trichloride powder in solution D and stirring to obtain solution E; washing and centrifuging solution E and then drying it under vacuum to obtain a precursor; heating the precursor to 700 °C and holding it for 2–3 h, then cooling it to 300 °C and allowing it to cool naturally to room temperature to obtain Ru@Zr. x Hf y O2 / C electrocatalyst. It solves the problems of high cost of Pt-based catalysts, easy agglomeration and structural damage of traditional Ru-based catalysts, and poor stability due to interference from corrosive ions in seawater electrolysis.

This invention discloses an efficient method for preparing p-cymene ruthenium iodide dimer. The method uses ruthenium trichloride as the ruthenium source, propylterpinene as the ligand precursor, and an alcohol solvent as the reaction medium. The target product is synthesized efficiently through a two-step continuous reaction. First, ruthenium trichloride and propylterpinene are reacted at a specific temperature to generate a dichloro(p-cymene)ruthenium dimer intermediate. Then, an iodide aqueous solution is added for reflux reaction to complete the replacement of chloride ions with iodide ions. Finally, high-purity p-cymene ruthenium iodide dimer is obtained after simple post-processing. This invention innovatively uses propylterpinene instead of traditional phellandrene, significantly improving the stability and purity of the raw materials and reducing production costs. The one-step integrated process simplifies the operation process, avoids the risk of organic vapor exposure, and improves production safety. Optimized reaction parameters and material ratios achieve a product yield of up to 99.8%, and the process is adaptable to large-scale production requirements.

The present application relates to polymeric triphenylphosphine ruthenium trichloride and its preparation method and application in catalytic preparation of 2,2'-dipyridyl, and belongs to the technical field of fine chemical industry. The polymeric triphenylphosphine ruthenium trichloride obtained by copolymerization of triphenylphosphine ruthenium trichloride-benzene-dimethylol formaldehyde is used as a catalyst to catalyze the pyridine dehydrogenation coupling reaction in a fixed bed reactor at 100-180 DEG C and 0.1-2.0 MPa pressure, and 2,2'-dipyridyl can be prepared at a highest yield of 92%. Compared with the existing method for preparing 2,2'-dipyridyl, the present application provides a method for preparing 2,2'-dipyridyl at a high yield under mild reaction conditions.

The utility model discloses a kind of equipment for ruthenium trichloride drying, belong to ruthenium trichloride processing equipment technical field. Including sandwich kettle body, temperature control heater, nitrogen purging unit, cryogenic trapping unit and discharge unit, the kettle cover is provided at the top of the sandwich kettle body, and the inside of the sandwich kettle body is rotationally provided with dispersion paddle;The dispersion paddle is connected with the stirring motor of kettle cover top;The bottom of the sandwich kettle body is provided with gate valve;Temperature control heater is set in the sandwich inside of sandwich kettle body;Nitrogen purging pipeline is installed on the inside upper portion of the inner bag of the sandwich kettle body;The nitrogen purging pipeline is connected to nitrogen pressure gas source;The cryogenic trapping unit includes the exhaust pipe connected with the inside upper portion of the inner bag of sandwich kettle body, and the exhaust pipe is connected to exhaust pump;The equipment for ruthenium trichloride drying of the utility model can ensure the drying quality of ruthenium trichloride, and can avoid material loss and cause surrounding environmental pollution.

This invention discloses a cubic Ru / Co3O4 catalyst, its preparation method, and its applications, belonging to the field of electrode material technology. The method includes the following steps: S1, dissolving cobalt nitrate hexahydrate and hexadecyltrimethylammonium bromide in water, dissolving 2-methylimidazole in water, mixing and stirring to obtain a Co-MOF; S2, calcining the Co-MOF to obtain a Co3O4 cube; S3, dissolving the Co3O4 cube and ruthenium trichloride in water, and performing a hydrothermal reaction to obtain the cubic Ru / Co3O4 catalyst. This invention employs a preparation sequence of "calcination followed by hydrothermal loading," ensuring that Ru species are mainly distributed on the surface of the Co3O4 cube, avoiding Ru species embedding and agglomeration caused by high-temperature calcination. The resulting catalyst has a regular cubic morphology, uniform Ru dispersion, and high catalytic activity, showing broad application prospects in electrocatalytic oxygen evolution and hydrogen evolution.

The present application relates to the technical field of nanomaterials, and particularly relates to carbon-doped Ru / RuO2 nanosheets, a preparation method and application thereof. In the present application, COF (2C-COF) with abundant carbon-carbon bonds is first prepared, C atoms are introduced into the 2C-COF as a carrier to play a carbon-doping role. Carbon doping can improve electronic conductivity, structural stability, dispersion of active sites, and coordination of catalytic effects, and is suitable for neutral and a wide pH value range. Then, 2C-Ru is prepared from the 2C-COF and a ruthenium trichloride solution. Finally, carbon-doped Ru / RuO2 nanosheets are obtained by calcining the 2C-Ru. The carbon-doped Ru / RuO2 nanosheets contain Ru / RuO2 heterojunctions, so that they have excellent HER and OER catalytic performance.

This invention belongs to the field of electrocatalytic materials technology, and proposes a RuS2@Cu(OH)2 heterojunction, its preparation method, and its application. The method includes the following steps: mixing ruthenium trichloride, copper nitrate, thiourea, and citric acid in a molar ratio of 1:1~3:1.5~2.5:2~4, and carrying out a hydrothermal reaction to obtain a precursor; washing and drying the precursor to obtain the RuS2@Cu(OH)2 heterojunction material. This heterojunction can electrocatalyze the hydrolysis of polyimide to obtain the high-value product 2,2-dinitrobutane.

The application discloses a Mo-Ru double-site transition metal catalyst and a preparation method thereof, and belongs to the technical field of electrocatalytic materials. The method uses graphene oxide as a carrier, adds a mixed solution of ruthenium trichloride trihydrate and ammonium heptamolybdate tetrahydrate into a graphene oxide dispersion solution, and performs ultrasonic treatment for 6 hours to obtain a uniform precursor solution; then, a hydrothermal reaction is performed to obtain a solid product; after the product is freeze-dried for 12 hours, a chemical vapor deposition method is used to perform high-temperature nitridation on the product at 800 DEG C under an ammonia-argon mixed atmosphere for 2 hours, and finally, the Mo-Ru double-site transition metal catalyst is prepared. The catalyst exhibits excellent two-electron hydrogen evolution reaction electrocatalytic activity and long-term stability in acidic and alkaline media, and can be efficiently applied to the field of hydrogen production by water electrolysis.

This invention discloses a method for preparing a RuO2 / Fe2O3-Fe3O4 heterostructure catalyst and its application. The preparation method is as follows: Ruthenium trichloride is loaded onto a foamed iron substrate by immersion, followed by heat treatment in air to obtain the RuO2 / Fe2O3-Fe3O4 catalyst. The tight bonding between the catalyst layer and the foamed iron substrate significantly improves electron transport efficiency and catalyst stability, thereby enhancing catalytic activity and stability under high current conditions. Furthermore, the stable interface structure formed between RuO2 and Fe2O3-Fe3O4 enables the regulation of electronic structure and functional division. Specifically, Fe2O3-Fe3O4, with its rapid water dissociation characteristics, promotes the adsorption and dissociation of water molecules, providing hydrogen intermediates for the reaction; while RuO2, with its suitable hydrogen adsorption energy, is responsible for the adsorption and desorption of hydrogen intermediates.

The application discloses a Ru-doped W 18 O 49 Composite material, preparation method and application in sodium-sulfur battery, belong to the technical field of functional material preparation. The method comprises the following steps: uniformly mixing butanol, acetone and deionized water, adding tungsten hexachloride and ruthenium trichloride, uniformly stirring at room temperature, then adding sodium dodecyl sulfate, uniformly stirring at room temperature again, and obtaining Ru-doped W 18 O 49 Composite material through hydrothermal reaction, washing and drying. The Ru-doped W 18 O 49 Nanowire is prepared in high purity and high activity through synergistic regulation of a ternary solvent system and Ru doping, is rich in oxygen vacancies and Ru-W double active sites, significantly enhances the adsorption and step-by-step catalytic conversion capacity of polysulfides, and solves the problems of insufficient catalytic activity and kinetic sluggishness. The obtained Ru-doped W 18 O 49 Composite material still has a capacity of about 1250 mAh g ‑1 After 300 cycles at a current density of 1 A g ‑1 , and has excellent rate performance.