50 results about "Cuprous thiocyanate" patented technology

The invention belongs to the technical field of nano materials, relates to a photoelectric function material, and particularly relates to a cuprous oxide nanowire porous film as well as a preparation method and an application thereof. The cuprous oxide nanowire porous film is obtained by using copper thiocyanate film as a precursor to react with aqueous alkali. The copper oxide nanowire porous film provided by the invention can act as a photoelectric conversion material and also has wide use in the field of function materials and components.

The invention belongs to the technical fields of nanometer materials and chemical materials, and particularly discloses a cuprous oxide nanowire material and a preparation method thereof. The cuprous oxide nanowire material is obtained by reacting commercially available cuprous thiocyanate powder serving as a precursor with aqueous alkali. A process is simple, and the cuprous oxide nanowire material is easy to produce in batches; the prepared cuprous oxide nanowire material can be widely used as an advanced functional material such as a photoelectric conversion material; in addition, the prepared cuprous oxide nanowire material can also be widely applied to the fields of catalysis, sensors, super capacitors, lithium ion batteries, photoelectric functional devices, large-area electronic devices and the like.

The invention relates to cuprous thiocyanate and a preparation method. Cuprous thiocyanate can be used as antifouling paint and paint used biological poisoning agents. The invention is characterized in that 35-50% thiocyanate water solution and 35-45% copper sulfate or hydrochloride water solution replacement-react under the protection of SO2 or CO, the mol ratio of the three is 1:1:(0.3-0.7), and white powder with grain diameter ranging from 5-25 Mum and white content being 70-80% is obtained. Compared with the prior art, the yield can be improved by 50%, and the yield and the purity can be improved to be above 99%; the output of waste water is small, and only 1-3 t waster water is generated per product; the obtained cuprous thiocyanate has good evenness and small grain diameter range reduced to be 5-25 Mum, the anti-corrosion effect is stable, and the white or off-white powder product greatly improves the commonality of color matching; and the integrated cost is reduced by 20%, thereby overcoming the defect of the prior art.

The present invention discloses a method for preparing p-type cuprous thiocyanate thin films, comprising the following steps that: triethanolamine, namely TEA is added to CuSO4 solution to form steady CuIITEA water solution, and then KSCN is added so as to obtain water-based electrolyte of electrodeposited CuSCN; washed indium tin oxide conductive glass is used as sedimentation basement and put into a three-electrode battery containing 0.01MCuSO4+0.10MTEA+0.05MKSCN water-based electrolyte; by exerting the working voltage between -200 mV and -500mV and carrying out the electrodeposition for half an hour at 0-50 DEG C, a compact CuSCN thin film is obtained. The p-CuSCN thin film is used as solid electrolyte for nano-crystalline photoelectrochemical solar cells.

The invention belongs to the technical field of marine organism fouling protection. The invention relates to an antifouling material and a preparation method thereof. The antifouling material is prepared from polydimethylsiloxane, a surface microstructure adjusting component, a surface chemical property adjusting component and a curing component. A specific technological process of the preparationmethod of the antifouling material is as follows: sequentially adding polydimethylsiloxane, the surface microstructure adjusting component acrylonitrile structure-containing organic silicon resin, and the surface chemical property adjusting component into a stirring kettle, grinding the components, adding a curing component to form a coating, and coating the surface of a base material with the coating diluted by xylene to obtain the antifouling material with a synergistic effect of multiple antifouling properties. Compared with the prior art, no antifouling agent such as cuprous oxide, cuprous thiocyanate and organic tin is used, so that no destructive influence is caused to the marine ecological environment, the antifouling period can reach 5 years or longer, and the antifouling agent can be widely applied to surface marine organism fouling protection of marine engineering facilities and structures such as docks, drilling platforms, piers and piles and has good potential economic benefits.

The invention discloses oil-resistant mildew-resistant modified bituminous paint. The oil-resistant mildew-resistant modified bituminous paint is prepared from 16-21 parts by weight of modified asphalt, 12-14 parts by weight of urea-formaldehyde resin, 0.5-1.0 part by weight of oxalic acid, 0.5-1.0 part by weight of aluminum phosphate, 6-8 parts by weight of modified waste sodium silicate sand, 19-22 parts by weight of terpolycyantoamino-formaldehyde resin, 4-6 parts by weight of methylene bis(cyclohexylammonium), 2-3 parts by weight of disodium sebacate, 2-4 parts by weight of cuprous thiocyanate, 1-3 parts by weight of liquid nitrile rubber, 3-4 parts by weight of nanometer diatomite, 1-2 parts by weight of nanometer calcium carbonate, 1-2 parts by weight of a silane coupling agent KH-560, 0.5-1.0 part by weight of a JWK 200 antistatic agent, 2-3 parts by weight of barium metaborate, 1-2 parts by weight of di-n-octyltin-dithioglycolate, 4-6 parts by weight of coal tar, 7-9 parts by weight of acetone and 10-13 parts by weight of xylene. The oil-resistant mildew-resistant modified bituminous paint utilizes modified asphalt as a main body. The used urea-formaldehyde resin improves paint wear resistance, oil resistance, mildew resistance and insulating properties. The used modified waste sodium silicate sand improves poor asphalt resistance to heat and improves paint resistance to heat, acids and fire. The used cuprous thiocyanate can prevent aquatic organism adhesion and reduce fuel consumption of maritime ships.

A method for preparing cuprous thiocyanate by using ammonia-process coking desulfurization waste liquid is disclosed. The method comprises the following steps: adding ammonia water to a saturated copper sulfate solution and introducing sulfur dioxide gas to obtain a copper source precursor, and then adding activated carbon into ammonia-process desulfurization waste liquid and stirring for decoloration and filtering to obtain decolored desulfurization waste liquid, stirring the decolored desulfurization waste liquid with sulfuric acid and adding an oxidizing agent for treatment, drying to obtain pretreated salt-mixture, adding liquid sulfur dioxide to the pretreated salt-mixture and stirring to obtain primary and secondary extracting solutions, combining the primary and secondary extractingsolutions to obtain a thiocyanate precursor, finally mixing the copper source precursor with the thiocyanate precursor and stirring to carry out a reaction, separating by filtration, washing filter residue to obtain cuprous thiocyanate, and evaporating and drying a filtrate to obtain ammonium sulfate. By the above method, the conversion of ammonium thiocyanate to downstream high added-value products is realized, the problem that the sale of ammonium thiocyanate is not smooth and the overstocking is serious is solved, the economic benefit is improved, and the dual purposes of treatment and synthesis of the desulfurization waste liquid are achieved.

The present invention relates to a 2-oxazolidinone derivative preparation method, belongs to the technical field of organic synthesis. The preparation method is as follows: introducing carbon dioxide into primary amine, to obtain ammonium carbamate salt; then mixing the ammonium carbamate salt with a catalyst, a solvent, terminal alkyne and aldehyde; sealing the materials and stirring the materials at 40-120 DEG C for 8-24 h; after completion of the reaction, performing silical gel column chromatography, to obtaining the 2-oxazolidinone derivative, wherein the catalyst is cuprous chloride, cuprous bromide, cuprous iodide, cuprous thiocyanate, copper trifluoromethane sulfonate, cuprous oxide, copper sulfate, copper nitrate, or copper acetate; and the solvent is methanol, ethanol, ethylene glycol, diethylene glycol, isopropanol or N,N-dimethylformamide. According to the preparation method, the carbon dioxide is used as a protection agent of the primary amine and meanwhile as a reactant, and therefore the amount of catalyst is greatly reduced, the reaction efficiency is improved, and the reaction is performed at the atmospheric pressure, so that no oxygen-free operation is needed, the reaction is simple and safe, and the raw materials are cheap and readily available.

The invention relates to the technical field of photocatalysts, and particularly relates to a preparing method of a Cu2S / g-C3N4 heterojunction photocatalyst. The method includes one-step calcining todirectly obtain the Cu2S / g-C3N4 composite catalyst. A certain amount of cuprous thiocyanate is mixed with ammonium chloride, the mixture is fully ground and then calcined in a tubular furnace, and a product is washed with distilled water and then dried to obtain the Cu2S / g-C3N4 heterojunction photocatalyst. The photocatalyst is prepared through a one-step calcining manner, and a preparation process is simple. The photocatalyst has good visible light response capability, a heterojunction structure facilitates separation of photo-induced electron and holes, catalytic activity is high, and the photocatalyst has high practical value and a good application prospect in the field of environment protection. Raw materials of the photocatalyst are easily available and low in cost, a reaction condition is mild, and the method is free of environment pollution and prone to industrial production.

The invention discloses a double-sided power generation cadmium telluride thin film solar cell and a preparation method thereof. The double-sided power generation cadmium telluride thin film solar cell comprises a glass substrate layer, a transparent conductive film layer, a window layer, an absorbing layer, a back contact layer, a back electrode layer, a packaging material layer and a backboard glass layer in turn. Copper thiocyanate is used as the material of the back contact layer. Tungsten-doped indium oxide is used as the material of the back electrode layer. The p-type material copper thiocyanate is used as the back contact layer and the tungsten-doped indium oxide is used as the back electrode layer so that transparent back electrode of the cadmium telluride cell can be realized, double-sided power generation can be realized and the generation capacity of the cell can be enhanced; meanwhile, the built-in electric field can be enhanced by the strong p-type back contact so that the Voc and the FF of the cadmium telluride solar cell can be enhanced and the performance of the cell can be enhanced.

The invention relates to a multifunctional coating for an electric power insulator. The multifunctional coating for the electric power insulator consists of the following components in part by mass: 68-72 parts of copper thiocyanate, 70-74 parts of zinc pyrithione, 66-70 parts of menadione epoxy, 70-74 parts of acetyl trioctyl citrate, 66-70 parts of p-phenylene diamine, 70-74 parts of zinc borate, 66-70 parts of talcum powder, 72-76 parts of kaoline powder, 66-70 parts of dipentaerythritol hexaacrylate, 70-74 parts of dibasic lead phthalate, 66-70 parts of tetramethrin, 70-74 parts of ethyl spinosad, 66-70 parts of diafenthiuron, 70-74 parts of strontium carbonate, 66-70 parts of polyurethane, 70-74 parts of siliceousearth, 66-70 parts of stannous octoate, 70-74 parts of melamine sodium phosphate and 1000-2000 parts of water. A technological preparation method of the multifunctional coating for the electric power insulator is simple; prepared products have good corrosion resistance, fireproofing, flame retardance, insulating property and anti-bacterial property; and the multifunctional coating for the electric power insulator is suitable to be used in various fields.

The invention belongs to the technical field of semiconductor optoelectronics, and in particular relates to a cuprous oxide / cuprous thiocyanate (Cu 2 O / CuSCN) heterojunction photoelectric thin film and preparation method thereof. The present invention provides a Cu 2 The O / CuSCN heterojunction photoelectric thin film and the preparation method thereof are characterized in that: the CuSCN photoelectric thin film prepared by electrochemical deposition is subjected to alkaline solution soaking treatment for a certain period of time, so as to promote the in-situ reaction of CuSCN to generate Cu 2 O, enabling in situ construction of Cu 2 The O / CuSCN heterojunction photoelectric thin film solves the problems of low photo-generated carrier mobility and high recombination rate of the CuSCN photoelectric thin film to a large extent, and greatly improves the photoelectrochemical performance of the CuSCN photoelectric thin film. Cu provided by the present invention 2 The O / CuSCN heterojunction photoelectric thin film and the preparation method thereof have the advantages of simple modification means, easy regulation and control of the heterojunction structure, obvious modification effect and low cost.

The water solution electrodepositing process of preparing cuprous thiocyanate (CuSCN) film includes the following steps: dissolving copper salt, thiocyanate and chelate in certain proportion into water as solvent; regulating the pH value to 2-7 to obtain electrolyte solution for electrodeposition; static complexing and homogenizing of the electrolyte solution for 4-72 hr; cleaning the base for electrodeposition with organic solvent, acid solution, alkali solution and water; and electrodepositing in common electrochemical deposition process. The electrochemical deposition process has temperature 15-75 deg.c and deposition potential from 0.2 v to -0.65 v. The deposited CuSCN film is water washed and dried at 60-100 deg.c. The present invention has the features of high stability of the electrodepositing solution, high depositing efficiency, low cost, less pollution and being suitable for various kinds of base material.

The present invention relates to a 2-oxazolidinone derivative preparation method, belongs to the technical field of organic synthesis. The preparation method is as follows: introducing carbon dioxide into primary amine, to obtain ammonium carbamate salt; then mixing the ammonium carbamate salt with a catalyst, a solvent, terminal alkyne and aldehyde; sealing the materials and stirring the materials at 40-120 DEG C for 8-24 h; after completion of the reaction, performing silical gel column chromatography, to obtaining the 2-oxazolidinone derivative, wherein the catalyst is cuprous chloride, cuprous bromide, cuprous iodide, cuprous thiocyanate, copper trifluoromethane sulfonate, cuprous oxide, copper sulfate, copper nitrate, or copper acetate; and the solvent is methanol, ethanol, ethylene glycol, diethylene glycol, isopropanol or N,N-dimethylformamide. According to the preparation method, the carbon dioxide is used as a protection agent of the primary amine and meanwhile as a reactant, and therefore the amount of catalyst is greatly reduced, the reaction efficiency is improved, and the reaction is performed at the atmospheric pressure, so that no oxygen-free operation is needed, the reaction is simple and safe, and the raw materials are cheap and readily available.