540 results about "Acetylacetone" patented technology

The invention provides an acetylacetone-based composite thermal stabilizer which is a mixture obtained by mixing zinc acetylacetonate, calcium acetylacetonate or magnesium acetylacetonate and hydrotalcite pro rata. The composite thermal stabilizer is suitable for chloride-containing high polymer, such as polyvinyl chloride, chlorinated polyethylene, chlorinated polyvinyl chloride, copolymer of vinyl chloride-ethylene or copolymer of vinyl chloride-vinyl acetate, has better thermal stability, prolongs the thermal aging time of the chloride-containing high polymer, and overcomes the shortcomings of poor long-term performance of single stabilizer of zinc acetylacetonate, poor transparency of stabilizer of calcium acetylacetonate, and poor initial colorability of stabilizer of hydrotalcite. The composite thermal stabilizer has low cost, good initial colorability, excellent long-term performance and good transparency, and is an efficient composite thermal stabilizer.

Development of resists are useful, for example, to form a patterning mask in the context of high-resolution patterning. Development can be accomplished using an organic vapor such as a carboxylic acid. In some implementations, the organic vapor is trifluoroacetic acid. In some implementations, the organic vapor is hexafluoro-acetylacetone. A metal-containing resist film such as an EUV-sensitive organo-metal oxide may be deposited on a semiconductor substrate using a dry or wet deposition technique. The metal-containing resist film on the semiconductor substrate may be developed using the organic vapor, or residue of metal-containing resist material formed on surfaces of a process chamber may be removed using the organic vapor.

The invention discloses a low-temperature-resistant organic silicon elastic damping body and a preparation method thereof, and belongs to the field of synthesis of organic polymer materials. The invention relates to a high-efficiency photoinitiator, which is prepared from the following ingredients in parts by weight: 95 to 110 parts of fluorosiloxane-phenylsiloxane segmented copolymers, 25 to 35 parts of boric acid ester end-capped polyurethane prepolymers, 10 to 15 parts of neodymium-containing metal organic frameworks, 20 to 40 parts of azobenzene modified CNT / TiO2, 2 to 4 parts of photoinitiators 1173 and 2 to 3 parts of neodymium acetylacetonate. Ultralow-temperature adaptability, self-repairing and high-modulus coexistence and wide-temperature-range damping stability are achieved through fluorosilicone / phenyl block copolymer molecular design, a borate-neodymium coordination double-dynamic network, stress response filler and a light-heat gradient curing process. The low-temperature-resistant organic silicon elastic damping body prepared by the invention provides a new solution idea for an extreme environment damping material, and has a wide application prospect.

The invention relates to the technical field of metal material hot working, and discloses a hot-rolled coiled plate production process which comprises the following steps: preparing a reaction type protective agent, the high-temperature-resistant coating is prepared from the following raw materials in parts by weight: 20 to 40 parts of tetraethoxysilane, 5 to 15 parts of triethyl phosphate, 1 to 5 parts of triethyl borate, 0.5 to 2.0 parts of cerous nitrate (III) hexahydrate, 0.1 to 1.0 part of lithium acetate and 0.01 to 0.05 part of vanadyl acetylacetonate (IV). Coating the surface of a hot-rolled plate blank with the protective agent; the coated plate blank is heated in a heating furnace, so that the protective agent forms a molten-state protective layer in situ; carrying out hot rolling on the plate blank with the molten protective layer; and cooling and coiling the hot-rolled steel strip. In the whole heating and hot rolling process, the molten protective layer isolates the contact between the steel and the oxidizing atmosphere, so that the generation of oxide scales is fundamentally inhibited, the production process is simplified, and the metal yield is increased.

The invention relates to an electrolytic copper foil anode plate electrode and a preparation process thereof, and belongs to the technical field of electrolytic copper foil production. The electrolytic copper foil anode plate electrode sequentially comprises a titanium substrate, an Ir-Ta oxide transition layer and an IrO2-RuO2-SnO2 oxide composite coating from inside to outside. The preparation process comprises the following steps: firstly, forming a micron-sized rough surface by utilizing acetone and ethanol ultrasonic cleaning and oxalic acid etching; the transition layer is subjected to sol dispersion and sintering treatment through polyethylene glycol, so that the balance of low porosity and high bonding strength is realized; the composite coating adopts an acetylacetone-ethylene glycol monomethyl ether solvent system, and a nanocrystalline structure is formed through step-by-step sintering; and an Ir-rich passivation layer is generated through electrochemical activation, and the finally obtained anode plate electrode has more excellent electrochemical activity and longer service life.

The application discloses a preparation method of carbon aerogel material for light electromagnetic shielding, and comprises the following steps: adding resorcinol, phloroglucinol, a template agent and formaldehyde into pure water, stirring and dissolving to obtain a precursor solution; adding the precursor solution into white oil containing a surfactant, emulsifying, heating in an oil bath and fully reacting; centrifugal separation to obtain powder, high-temperature carbonization, dispersion in oleylamine, addition into a stock solution containing nickel acetylacetonate, triphenylphosphine and oleylamine, high-temperature reaction and cooling, addition of a mixture of hexane and ethanol to obtain a product; centrifugal separation and washing to obtain light high-electromagnetic-shielding carbon aerogel. The carbon aerogel material for light electromagnetic shielding prepared by the method has the advantages of small density, high efficiency, corrosion resistance, high electromagnetic shielding efficiency, high product yield and the like, and by controlling the nucleation and growth rate of Ni2P, the Ni2P nanoparticles can be uniformly grown on the carbon aerogel microspheres, and the method is suitable for application in large-scale industrial production.

The invention discloses a lightweight alumina foamed ceramic refractory material and a preparation method thereof, and relates to the technical field of ceramic materials. When the light aluminum oxide foamed ceramic refractory material is prepared, zirconium acetylacetonate, yttrium nitrate hexahydrate and aluminum nitrate nonahydrate are mixed to prepare a spinning solution for electrostatic spinning, nano aluminum titanate is loaded by using a nano spraying technology during spinning, and doped modified zirconium oxide fibers are prepared after high-temperature heat treatment and defibering and dispersing; mixing aluminum oxide micro powder, hollow aluminum oxide, a high-temperature foaming agent, doped modified zirconium oxide fibers and a sintering aid, and then performing ball milling and sieving to prepare aluminum oxide-based mixed powder; and carrying out mold pressing on the alumina-based mixed powder to prepare a green body, sintering, and cooling to prepare the lightweight alumina foamed ceramic refractory material. The light aluminum oxide foamed ceramic refractory material prepared by the invention has the advantages of light weight, low thermal conductivity, high compressive strength, high bending strength and good thermal shock resistance.

The invention discloses a two-dimensional Pd nanosheet electrocatalyst rich in grain boundary and a preparation method of the two-dimensional Pd nanosheet electrocatalyst, and belongs to the technical field of electrochemical catalysis. The method comprises the following steps: by taking palladium acetylacetonate as a precursor, ascorbic acid and carbon monoxide as reducing agents and oleylamine as a solvent, carrying out heating reaction in a high-temperature reaction kettle; after the reaction is completed, the obtained mixture is cleaned and dried, and finally the ultrathin two-dimensional Pd nanosheet rich in the grain boundary is prepared. According to the preparation method, the active sites of the basal plane can be greatly increased, the electronic structure of the catalyst can be optimized, the catalytic performance and the quality activity can be effectively improved, and the synthesized two-dimensional Pd nanosheet rich in the grain boundary can be used for a fuel cell, a metal-air battery and an efficient electrocatalyst in the electrochemical oxygen reduction process.

The invention discloses modified humic acid as well as a preparation method and application thereof, and relates to the technical field of humic acid modification. The preparation method comprises the following steps: activating mineral source humic acid, and adding a manganese-based activator to obtain activated humic acid; adding activated humic acid, a grafting agent and a silane monomer into a cross-linking system, stirring, standing, and then heating for reaction; after the reaction is finished, adjusting the pH value to be alkaline, keeping heating and stirring, and then drying to obtain modified humic acid; wherein the grafting agent comprises the following raw materials: sodium sulfite and acetylacetone. The modified humic acid still has high water solubility in hard water, and flocculent precipitate formed by the humic acid and metal ions can be avoided.

The present invention discloses a preparation method of a graphite-like carbon nitride-yttrium-stabilized zirconium oxide composite hydrogen barrier coating. First, a low-carbon steel substrate is pretreated to obtain a pretreated substrate; then zirconium n-propyl alcohol, n-propyl alcohol, acetylacetone and yttrium nitrate are mixed and reacted, aged to obtain a yttrium-stabilized zirconium oxide sol; the sol is coated on the pretreated substrate and dried, and the coating, drying and repeated treatments are followed by pre-sintering, followed by repeated coating, drying, and finally heat treatment to obtain a yttrium-stabilized zirconium oxide coating YSZ; melamine and thiourea are mixed, calcined and ground to obtain powdered graphite-like carbon nitride g-C3N4; finally, g-C3N4 powder and a coating coated with YSZ are sintered to obtain a graphite-like carbon nitride-yttrium-stabilized zirconium oxide g-C3N4 / YSZ composite coating. The hydrogen barrier coating prepared by the present invention can solve the problem that hydrogen embrittlement is prone to occur when current steel equipment is used in a hydrogen environment, and improve the safety of steel equipment during hydrogen energy utilization.

The invention discloses a flexible lanthanum zirconate-alumina fiber membrane as well as a preparation method and application thereof, and belongs to the technical field of inorganic nonmetal ceramic fiber materials. The preparation method comprises the following steps: dissolving zirconium oxychloride octahydrate, lanthanum chloride heptahydrate and aluminum chloride hexahydrate into absolute methanol, sequentially adding acetylacetone and triethylamine, stirring, and drying under reduced pressure to obtain a zirconium-lanthanum-aluminum polymer precursor containing triethylamine hydrochloride; soaking the zirconium-lanthanum-aluminum polymer precursor containing triethylamine hydrochloride in acetone, standing, filtering, concentrating under reduced pressure, and drying to obtain a zirconium-lanthanum-aluminum acetylacetone polymer precursor; the preparation method comprises the following steps: preparing a spinning solution from a zirconium-lanthanum-aluminum acetylacetone polymer precursor, absolute methanol serving as a solvent and polyoxyethylene serving as a spinning aid, and carrying out electrostatic spinning on the spinning solution to obtain a lanthanum zirconate-aluminum oxide precursor fiber membrane; and performing heat treatment on the lanthanum zirconate-aluminum oxide precursor fiber membrane to obtain the flexible lanthanum zirconate-aluminum oxide fiber membrane. According to the preparation method, acetylacetone is added into zirconium oxychloride, lanthanum chloride and aluminum chloride for coordination to form a linear zirconium-lanthanum-aluminum acetylacetone polymer, so that the technical problem that lanthanum zirconate long fibers with high strength and good flexibility are difficult to obtain is solved.

The invention relates to a preparation method of an oxygen vacancy-rich bismuth molybdate / bismuth vanadate composite photo-anode and a product and application thereof, and belongs to the technical field of photoelectrocatalysis. The invention discloses a preparation method of an oxygen vacancy-rich bismuth molybdate / bismuth vanadate (Bi2Mo2O9 / BiVO4) composite photo-anode, which mainly comprises the following steps: immersing a fluorine ion-doped tin dioxide (FTO) conductive glass substrate into a Bi < 3 + > ion solution and an I <-> ion solution to form a bismuth oxyiodide (BiOI) film, dropwise adding a dimethyl sulfoxide solution of vanadyl acetylacetonate (VO (acac) 2), and putting into a muffle furnace to prepare the BiVO4 photo-anode. And then vertically immersing into a Bi < 3 + > ion solution and a Mo < 6 + > ion solution, and carrying out annealing treatment in an argon atmosphere to prepare the Bi2Mo2O9 / BiVO4 composite photoanode rich in oxygen vacancies. The Bi2Mo2O9 / BiVO4 material rich in oxygen vacancies is a metal oxide composite photo-anode, the photoelectrocatalysis efficiency can be improved, and hydrogen peroxide (H2O2) can be continuously generated in natural seawater through photoelectrocatalytic oxidation of water for a long time.

The invention relates to the technical field of energetic materials, in particular to a laser response type high-entropy alloy-based initiating explosive material and a preparation method thereof. The initiating explosive material is mainly formed by uniformly loading a heat-sensitive high-energy compound (such as lead stilbeneate or hexa (4-amino-3, 5-dinitropyrazole) copper) on high-entropy alloy nanoparticles containing five or more metal elements, wherein the heat-sensitive high-energy compound is such as lead stilbeneate or hexa (4-amino-3, 5-dinitropyrazole) copper. The preparation method comprises the following steps: mixing acetylacetone metal salt, a surfactant and a reducing agent in an organic solvent, and stirring and reacting at 180-220 DEG C to prepare high-entropy alloy nanoparticles; the nano particles and a high-energy compound are co-dispersed in a mixed solvent containing a dispersing agent, ultrasonic treatment is carried out to form suspension liquid, and freeze drying is carried out to obtain the nano particles. The method is characterized in that the excellent photo-thermal conversion performance of the high-entropy alloy is utilized, under low laser energy irradiation, a high-energy compound can be effectively excited, and stable detonation of secondary charge CL-20 is successfully achieved. According to the invention, the problems of high response threshold and low output energy of the existing laser initiating explosive material are solved.

The invention discloses a FeNi-C-CNTs-carbon fiber composite material and a preparation method and application thereof, and the preparation method comprises the following steps: (1) cutting carbon fibers into short fibers, dispersing the short fibers into fiber bundles, fixing the fiber bundles, and carrying out electrostatic dispersion; (2) spraying an adhesive on the surface of the dispersed carbon fiber to form an adhesive layer on the surface of the carbon fiber, and then pre-curing the adhesive; and (3) carrying out chemical vapor deposition by adopting a horizontal tube furnace and taking a mixture of ferric acetylacetonate and nickel acetylacetonate as a metal precursor. In the FeNi-C-CNTs-carbon fiber composite material, the FeNi alloy nanoparticles and the carbon nanotubes cooperatively construct a three-dimensional conductive network, wave absorbing mechanisms such as magnetic loss, dielectric loss and multiple scattering are strengthened by means of the unique structure, the wave absorbing performance is remarkably improved, the effective frequency band is widened, and the composite material has excellent microwave absorbing performance and structural stability.

The invention belongs to the technical field of rhenium alloy materials, and particularly relates to a high-strength rhenium alloy material and a preparation method thereof. The rhenium alloy material is prepared from the following raw materials in percentage by mass: 12 to 24 weight percent of molybdenum, 6 to 9 weight percent of niobium, 2 to 5 weight percent of cobalt, 1 to 3 weight percent of tungsten, 0.5 to 1.2 weight percent of modified tantalum carbide, 3 to 6 weight percent of high-entropy rare earth and the balance of rhenium and other inevitable impurities. The modified tantalum carbide is prepared by the following preparation process: adding tantalum chloride, zirconium oxychloride and phenolic resin into a mixed solution of acetylacetone and n-butyl alcohol, stirring for 1-2 hours under a heating condition, dropwise adding ammonia water, continuously stirring for 0.5-1 hour, and drying to obtain a precursor; calcining the precursor, and cooling to obtain the modified tantalum carbide. The rhenium alloy prepared through the method has high hardness, good bending strength and excellent high-temperature mechanical property.

The invention discloses a three-dimensional ordered macroporous nitrogen-doped carbon-loaded CoPt nanocluster material as well as a preparation method and application thereof. The method comprises the following steps: by taking a three-dimensional structure stacked by polymer microspheres as a template, firstly filling precursors 2-methylimidazole and cobalt nitrate in the three-dimensional template, then placing the three-dimensional template containing the precursors in a mixed solution of ammonia water and methanol for crystallization, and after crystallization, carrying out high-temperature pyrolysis, thereby obtaining the cobalt-based composite material. And finally, carrying out vapor deposition by using platinum acetylacetonate to obtain the three-dimensional ordered macroporous nitrogen-doped carbon-supported cobalt-platinum material. According to the invention, Co is presented as a nanocluster by using a template method and a pyrolysis method, and the nanocluster is anchored on a highly regular three-dimensional ordered macroporous nitrogen-doped carbon carrier; meanwhile, Pt introduced by vapor deposition brings a hydrogen overflow effect by activating hydrogen, so that the material shows excellent activity and selectivity in a carbon dioxide hydrogenation reaction and has a good application prospect.

The invention relates to the technical field of electroplating, in particular to a nickel stripping agent, a preparation method of the nickel stripping agent and a nickel plating layer stripping method. The nickel stripping agent comprises the following raw materials: an oxidizing agent, a complexing agent, a dissolution promoter, a surfactant and a corrosion inhibitor, wherein the mass ratio of the oxidizing agent to the complexing agent to the dissolution promoter to the surfactant to the corrosion inhibitor is (4-15): (3-25): (1-11): (0.01-1): (0.01-5); wherein the oxidizing agent is nitrobenzoic acid; the complexing agent is one or more of 2-amino-2-methyl-1-propyl alcohol, acetylacetone, nitrilotriacetic acid, nitrilotriacetic acid sodium salt, acrylate, sodium gluconate and ethylenediamine hydrochloride; the dissolution promoter is an alcohol ether solvent. According to the nickel stripping agent, the oxidizing agent with relatively low toxicity and a non-toxic or low-toxicity non-volatile complexing system are adopted, nickel can be completely removed, a base material cannot be eroded, and the threat to the health of operators can be remarkably reduced.

The invention discloses a preparation method of 2-heptanone, and belongs to the technical field of organic synthesis. The 2-heptanone is obtained by taking acetone and n-butyl alcohol as raw materials, toluene as a solvent and cesium carbonate and ruthenium acetylacetonate as catalysts, and the reaction product is separated and purified to obtain the purified 2-heptanone. The preparation method provided by the invention effectively improves the yield of 2-heptanone, and the used raw materials and reagents are environment-friendly and non-toxic; in addition, reaction conditions involved in the preparation method are mild, harsh reaction conditions are not needed, and large-scale application and popularization are facilitated.

The invention belongs to the technical field of energy and storage, and discloses a Fe-V-O material for an aqueous zinc ion battery positive electrode and a preparation method and application thereof, and the Fe-V-O material for the aqueous zinc ion battery positive electrode is a mixture of a Fe < 3 + > doped vanadium oxide nano material (in a nano flower structure formed by sheet stacking), a conductive agent and a binder; the preparation method comprises the following steps: by taking vanadyl acetylacetonate and inorganic iron (III) metal salt as raw materials, synthesizing a Fe < 3 + >-doped vanadium oxide nano material by a one-step hydrothermal method, and uniformly mixing and grinding the Fe < 3 + >-doped vanadium oxide nano material with a conductive agent and a binder, thereby obtaining the Fe < 3 + >-doped vanadium oxide nano material, according to the application of the Fe-V-O material, the Fe-V-O material for the positive electrode of the aqueous zinc ion battery is loaded on a titanium mesh current collector to serve as a positive electrode material, and the aqueous zinc ion battery is assembled. The preparation process is simple and efficient, and the prepared aqueous zinc ion battery has excellent electrochemical activity, relatively high rate capability and excellent long cycle stability.

The invention discloses a preparation method of a bifunctional heterojunction catalyst for AEM electrolyzed water. The method comprises the following steps: step 1, mixing multi-walled carbon nanotubes, deionized water, absolute ethyl alcohol and inorganic acid; step 2, putting the mixed solution in the step 1 into an ultrasonic machine to form a porous structure and more active adsorption sites; step 3, carrying out freeze drying treatment on the mixed solution treated in the step 2; step 4, mixing the dried multi-walled carbon nanotubes with acetylacetone salt, and uniformly grinding the mixed powder; and step 5, putting the powder obtained in the step 4 into a tubular furnace, and carrying out heat treatment in the atmosphere of H2 / Ar to obtain the PtFeCoNiMoZr / ZrO heterojunction catalyst. The catalyst has a remarkable catalytic effect on HER and OER reactions, and meanwhile, stable electrolysis which stably runs for 200 hours in an AEM electrolytic cell under the current density of 1200 mA / cm < 2 > is successfully realized.

The invention relates to the technical field of intermetallic compound catalysts, and particularly discloses a preparation method of a hexagonal layered Pt-Bi intermetallic compound nanocrystalline catalyst, which comprises the following steps: weighing octadecene and oleylamine, and mixing to obtain a solution A; platinum acetylacetonate, bismuth acetate, ascorbic acid and hexadecyl trimethyl ammonium bromide are weighed and sequentially poured into the solution A, and a solution B is obtained through mixing and ultrasonic treatment; heating and preserving heat of the solution B, and naturally cooling to room temperature to obtain a turbid liquid C; and measuring cyclohexane and ethanol, sequentially pouring into the turbid liquid C, carrying out ultrasonic treatment at room temperature for 3 minutes, then pouring out supernate, repeating for 2-3 times, collecting a product, and drying to obtain the nanocrystalline catalyst. According to the invention, the electron interaction between bimetallic components is utilized, the electron structure of a catalytic active center is optimized, the interaction between the active structure and reaction active species is enhanced, the evolution kinetics of a plurality of reaction intermediates such as * O and * OOH in the electrocatalytic oxygen reduction reaction can be obviously accelerated, and the kinetics rate of the four-electron oxygen reduction reaction is improved.

The invention relates to the technical field of epoxy resin coatings, in particular to a radiation-resistant self-repairing epoxy resin coating and a preparation method thereof. The radiation-resistant self-repairing epoxy resin coating comprises the following raw materials: a component A, a component B and a component C, wherein the mass ratio of the component A to the component B to the component C is (50-70): (40-50): (10-20); the component A comprises the following raw materials in parts by mass: 50-60 parts of bisphenol F epoxy resin, 8-12 parts of calix [5] arene, 1-2 parts of zinc acetylacetonate and 15-20 parts of a solvent; the component B is prepared from the following raw materials in parts by mass: 30 to 40 parts of octamethylcyclotetrasiloxane, 5 to 10 parts of gamma-aminopropyltriethoxysilane, 1 to 3 parts of vanillin, 0.5 to 1 part of a catalyst and 0.1 to 0.3 part of p-toluenesulfonic acid; and the component C is an amine curing agent.

The application relates to the technical field of fireproof cables, and discloses an aluminum alloy core fireproof cable and a preparation process thereof. The aluminum alloy core fireproof cable comprises, from inside to outside, a conductor, an insulation layer, a filling layer, a bundling heat insulation layer, an isolation layer, a fireproof layer and a sheath layer. The sheath layer comprises the following components by weight: 100 parts of polyvinyl chloride, 10 to 15 parts of a plasticizer, 10 to 15 parts of ethylene-vinyl acetate copolymer, 25 to 30 parts of a flame retardant, 0.5 to 1.5 parts of an antioxidant, 10 to 20 parts of a filler, and 0.5 to 1 part of a lubricant. The preparation method of the flame retardant comprises the following steps: mixing calcium oxide, magnesium oxide and zinc oxide, and obtaining a solid solution after solid solution annealing; mixing the solid solution with aluminum hydroxide, ammonium polyphosphate and a metal acetylacetone complex to obtain the flame retardant. Through the technical scheme, the problem of insufficient fire resistance of the fireproof cable in the related art is solved.

The present invention relates to the technical field of aerogel fibers, and more specifically, to a heat-generating and heat-insulating nano-aerogel fiber and a method for preparing the same, comprising the following components: a composite aerogel, a modified wool fiber, and a phase change material. The addition of borides can absorb infrared radiation and convert it into heat energy, thereby improving the heating efficiency of the fiber; borides can also enhance the infrared emission capability of the fiber itself. When the fiber temperature rises, it can better dissipate heat in the form of infrared radiation, maintaining a warm environment around it. Vanadyl acetylacetonate can enhance the structural stability of the aerogel through synergistic effects with other materials, allowing it to maintain good mechanical properties under multiple cycles of compression, torsion, and other loads.

The invention discloses a photovoltaic cable sheath material with ultraviolet aging resistance and long service life. Comprising the following components in parts by weight: 100 to 120 parts of high-density polyethylene, 0.3 to 0.5 part of a benzotriazole ultraviolet light absorber, 0.5 to 0.8 part of a hindered amine light stabilizer, 0.2 to 0.5 part of an antioxidant, 3 to 5 parts of salicylate intercalated magnesium aluminum hydrotalcite, 0.02 to 0.05 part of cerium acetylacetonate, 2 to 4 parts of rutile type nano titanium dioxide, 3 to 5 parts of a compatilizer and 0.5 to 1 part of a dispersant. The photovoltaic cable is prepared from the anti-ultraviolet aging long-life photovoltaic cable sheath material, an insulating layer material and a conductor, so that the obtained photovoltaic cable sheath material and the photovoltaic cable have excellent anti-ultraviolet capability and thermal aging resistance, and have relatively long service life.

The invention belongs to the technical field of catalyst synthesis, and particularly relates to an indium-based-carbon gap composition catalyst as well as a preparation method and application thereof. The indium-based-carbon gap composition catalyst comprises a carrier and an indium-based-carbon gap composition loaded on the carrier, the chemical structural formula of the indium-based-carbon gap composition is M3InCx, M is selected from one of Pt, Pd and Ni, and x is more than or equal to 0.5 and less than or equal to 1. According to the invention, acetylacetone metal salt and InCl are used as raw materials, and are subjected to hydrothermal reaction, washing, drying and other steps in an N, N-dimethylformamide or benzyl alcohol solvent according to a mass ratio of 3: 1 to prepare the InCl-metal complex. By changing the solvent, the product structure can be regulated and controlled, the obtained compound shows high activity and stability in catalytic reactions such as methanol water phase reforming hydrogen production, the preparation process is simple and convenient, high-temperature annealing is not needed, particle aggregation is effectively prevented, and a new way is provided for development of high-performance catalysts.

The invention relates to a bio-based sulfur-phosphorus-free nitrogen-containing borate organic molybdenum antifriction agent and a preparation method and application thereof.The preparation method comprises the following steps that A1, monoglyceride and boric acid are dissolved in methylbenzene and subjected to a heating reaction, triethanolamine is added, the reaction continues, and OBN is obtained; a2, OBN and MoO3 obtained in the step A1 are dissolved in methylbenzene, a heating reaction is conducted in the inert atmosphere, and OBN-Mo is obtained; or B1, dissolving monoglyceride and boric acid in toluene, carrying out a heating reaction, adding triethanolamine, and continuing the reaction to obtain OBN; b2, the OBN obtained in the step B1 and molybdenum acetylacetonate are subjected to a heating reaction in ethyl alcohol, and OBN-Mo-OBN is obtained. Compared with the prior art, the two bio-based sulfur and phosphorus-free nitrogen-containing borate organic molybdenum antifriction agents OBN-Mo and OBN-Mo-OBN can be compounded with ZDDP to prepare lubricating oil, so that the wear resistance of the lubricating oil has a synergistic interaction effect.

The invention provides a high-weather-resistance anti-ultraviolet polypropylene modified master batch which comprises the following components in parts by weight: 60-80 parts of polypropylene matrix resin, 10-20 parts of an inorganic anti-ultraviolet material ZnO / CeO2, 2-5 parts of an antioxidant and 2-5 parts of a plasticizer, and a preparation process of ZnO / CeO2 comprises the following steps: dissolving a zinc source and acetylacetone in ethanol to obtain a solution (1); dissolving a cerium source and EDTA (Ethylene Diamine Tetraacetic Acid) in ethanol to obtain a solution (2); mixing the solution (1) and the solution (2), adding urea, transferring into a polytetrafluoroethylene high-pressure reaction kettle, and performing solvothermal reaction; after solvothermal is finished, a product is annealed for 1-2 hours at 300-350 DEG C, and ZnO / CeO2 endows the polypropylene material with excellent anti-ultraviolet performance, antibacterial performance and mechanical performance.

The invention discloses a RuNi alloy electrocatalyst and a preparation method and application thereof, and belongs to the technical field of catalysts. Ruthenium acetylacetonate and nickel acetylacetonate are used as precursors, a dispersing agent of polyvinylpyrrolidone is added, the mixture is dissolved in a mixed solvent of benzyl alcohol and aniline, and a mixed solution is obtained; the preparation method comprises the following steps: uniformly stirring, sealing in a reaction kettle, continuously preserving heat at a certain reaction temperature, continuously stirring in the reaction process, and centrifugally drying after the reaction is finished to obtain the RuNi alloy catalyst. The agglomeration of the RuNi alloy nano-particles is effectively prevented, and the nano-particles are ensured to be uniformly dispersed in the synthesis process, so that the catalyst with uniform size and good dispersity is obtained. Through in-situ growth of the Ru element on the surface of the Ni nanostructure, catalytic sites of noble metal are utilized to the maximum extent, excellent conductivity and structural stability of Ni are exerted, the hydrogen evolution effect of the catalyst under the alkaline condition is remarkably improved, and the catalytic activity is improved.

The invention relates to the technical field of electrochemistry, and particularly discloses a novel PdCuCo trimetal alkene material as well as a preparation method and application thereof. The novel PdCuCo trimetal alkene material is a PdCuCo trimetal alloy nanosheet, has ultra-thin (1nm) thickness and rich lattice defects, and is prepared by the following steps: adding polyvinylpyrrolidone, bis (acetylacetone) palladium, copper acetylacetonate and cobalt acetylacetonate into a mixed solution of ethylenediamine and N, N-dimethylformamide, carrying out solvothermal reaction and freeze drying treatment, and preparing the novel PdCuCo trimetal alkene material. And the PdCuCo trimetal alkene is obtained. The preparation method disclosed by the invention is a simple one-pot solvothermal method, high-temperature reaction is not involved, the obtained product has ultra-thin thickness, the utilization rate of Pd is effectively improved, the catalytic activity is obviously improved and the high selectivity of a glycollic acid product is high in the process of electrically reforming the PET plastic, and a solution can be provided for value-added utilization of the PET plastic.