39 results about "Cuprous chloride" patented technology

The application provides a kind of superfine copper powder and its preparation method and application, the preparation method of the above-mentioned superfine copper powder uses two-step liquid phase reduction method to prepare superfine copper powder, and improves process conditions, using dropwise feeding mode. Among them, the first step uses alkaline ascorbic acid solution to reduce copper chloride to cuprous chloride with narrow particle size distribution; the second step uses ferrous sulfate and sodium citrate as mixed reducing agent, and sodium citrate can also be used as a complexing agent, which helps to reduce the cuprous chloride to spherical, well-dispersed, uniform particle size distribution of superfine copper powder. At the same time, the raw materials used by the application are easy to obtain, the reaction process is mild, and organic solvents and toxic and hazardous reagents such as sodium borohydride and hydrazine hydrate are not needed, the preparation process has cost effectiveness, is friendly to the environment, and is suitable for industrial production.

The application discloses a synthesis method of 2,3,3',4'-biphenyl tetracarboxylic dianhydride, characterized in that 2,3-dimethylaniline is used as a starting raw material, 2,3-dimethylaniline diazonium salt is prepared through a diazotization reaction, then 2,3,3',4'-tetramethyl biphenyl is prepared through a coupling reaction of the 2,3-dimethylaniline diazonium salt and o-xylene under the catalysis of cuprous chloride, and finally 2,3,3',4'-biphenyl tetracarboxylic dianhydride is prepared through an oxidation reaction and dehydration to form anhydride. The coupling reaction in the synthesis method has good selectivity, 3,3,4',4'-tetramethyl biphenyl which is difficult to separate is not generated, high-purity a-BPDA can be finally obtained, and the coupling reaction in the synthesis method only needs to use low-cost cuprous chloride as a catalyst, so that the production cost is greatly reduced compared to a high-cost catalytic system in the prior art, and the synthesis method is more suitable for industrial mass production.

The application belongs to the technical field of fluorescent probe detection, and discloses a bimetallic nanocluster fluorescent probe compound and application thereof in preparation of a product for rapidly detecting acetylene. The fluorescent probe compound is a gold-copper bimetallic nanocluster solution modified by adamantane thiol, which is used as a fluorescent probe for acetylene detection. The solution has a clear and controllable preparation process. Through specific proportioning and reaction conditions of cuprous chloride, adamantane thiol, tetrachloroauric acid, sodium borohydride and other reagents, a probe solution with stable fluorescence characteristics can be prepared. The bimetallic nanocluster fluorescent probe compound is applied in preparation of a product for rapidly detecting acetylene. Through specific combination of fluorescent molecules and acetylene gas to trigger the secondary effect of fluorescence quenching, detection is realized, and other substances cannot trigger quenching. At a wavelength of 700 nm, the linear relationship (R 2 >0.99) between the fluorescence intensity and the acetylene concentration realizes accurate quantification of the acetylene concentration, and the minimum detection limit is 0.026 muL / L.

The present application relates to a kind of bactericidal liquid agent based on cuprous hydroxide, and its preparation method and use method, with the suspension of cuprous hydroxide as bactericidal liquid agent, can effectively prevent and cure the disease caused by a variety of oomycetes, fungi and / or bacteria, wherein the suspension of cuprous hydroxide is obtained by stirring in water by the solution state cuprous chloride coordination compound decomposition.This bactericidal liquid agent of the present application can be far lower than the existing copper ion bactericide while the single copper dosage is lower, and the prevention and cure range of disease is wider.This not only solves the risk of heavy metal excess residue caused by the existing copper preparation, but also avoids the problem of needing to use multiple bactericides simultaneously to prevent and cure one or more diseases.The bactericidal liquid agent of the present application has important significance for plant disease prevention and cure, and has great application potential in agricultural market.

The invention discloses a preparation method of a CuInS2 / FeS2 wood mildew-proof antibacterial agent, which comprises the following steps: dissolving cuprous chloride, indium chloride tetrahydrate, ferric trichloride hexahydrate and thiourea or thioacetamide in ethylene glycol, and carrying out one-step solvothermal reaction and calcination to obtain a CuInS / FeS composite antibacterial agent; the material has triple effects of photo-thermal, photocatalysis and copper ion slow release, and can inhibit mildew and decay fungi on the surface of wood under the condition of visible-near infrared illumination or no illumination. NH4VO3 and 2-methylimidazole are added into a reaction system and calcined in an ammonia-containing atmosphere, so that a V < 5 + > / V < 4 + > redox pair can be formed on the surface, near-infrared absorption is further widened, electron-hole recombination is delayed, and long-acting antibiosis under weak light is realized. The process is simple, does not contain chromium and arsenic heavy metals, and is suitable for environmental protection of wood materials.

The application discloses a method for preparing chiral amino alcohol compounds by using water as a hydrogen source and nickel metal as a catalyst. The method comprises the following steps: dissolving a nickel metal catalyst, zinc powder, an additive and a ligand in a dry organic solvent under an inert gas atmosphere; then adding an o-phthalimido ketone compound and water; and reacting at 40-70 DEG C to obtain a target product. The additive is one or more of silver iodide, cuprous bromide, cuprous iodide and cuprous chloride. The ligand is ( S, S p )- t‑ Bu-Phosferrox, S, S p )-Bn-Phosferrox, R, R p )-Ph-Phosferrox or R, R p )- i‑ Pr-Phosferrox. The application uses water as a hydrogen source and nickel metal as a catalyst to catalyze amino ketone compounds to obtain a series of chiral amino alcohol compounds. The method is simple, clean and environmentally friendly, and is suitable for the conventional preparation of chiral amino alcohol compounds.

The invention provides a reflective integrated electrochromic device. The reflective integrated electrochromic device sequentially comprises a first substrate layer, a working electrode layer, an integrated electrochromic layer, a counter electrode layer and a second substrate layer, the integrated electrochromic layer comprises a metal source compound; the metal source compound is selected from silver chloride, silver acetate, silver nitrate, silver perchlorate, silver sulfate, silver cyanide, silver sulfide, silver hexafluorophosphate, silver tetrafluoroborate, silver tetrachloroaluminate, silver trifluoromethanesulfonate, silver bis (trifluoromethane sulfonimide), copper fluoride, copper chloride, copper cyanide, copper sulfate, copper acetate, copper aluminate, cuprous fluoride, cuprous chloride, cuprous cyanide, gold chloride and gold cyanide; the catalyst is one or more of gold sulfide, gold chloride, gold (II) sulfide, nickel chloride, nickel sulfate, cobalt chloride and platinum chloride. The device has a relatively large transmittance / reflectivity dynamic change range, can perform light and heat management at the same time, and can keep a stable coloring or fading state for one month or even several months under a no-load condition.

The application provides a method for preparing bismuth trioxide-cuprous oxide nanocomposite based on a synergistic reaction, which comprises the following steps: dispersing sodium bismuthate, sodium sulfite and cuprous chloride in deionized water to obtain a solid-liquid mixture; and placing the solid-liquid mixture under a hydrothermal condition, so as to in-situ prepare the Bi2O3-Cu2O nanocomposite through the synergistic effect of the redox reaction between sodium bismuthate and sodium sulfite in the system and the anion exchange reaction between cuprous chloride and hydroxyl ions generated in-situ. The application is based on the synergistic effect of the redox reaction and the anion exchange reaction under the same hydrothermal condition, and high-purity Bi2O3-Cu2O nanocomposite can be prepared in-situ in one step without adding an alkali source and a template agent. The prepared composite can effectively form a p-n heterojunction, significantly inhibit the recombination of photo-generated carriers, improve the photocatalytic activity and redox capacity of the material, and the preparation process is simple, green and economical, and easy for industrialized production.

The invention discloses a method for treating chloride ions in a lithium precipitation mother liquor concentrated solution, which comprises the following steps: adding copper sulfate into an acid-regulated lithium precipitation mother liquor concentrated solution for reaction to obtain a copper chloride-containing lithium precipitation mother liquor concentrated solution; regulating the pH value of the lithium precipitation mother liquor concentrated solution, adding sodium sulfite to precipitate copper chloride in the form of cuprous chloride, and separating to obtain cuprous chloride precipitate and lithium precipitation feed liquid containing residual chlorine and bivalent copper; further concentrating the lithium precipitation feed liquid containing residual chlorine and bivalent copper to obtain concentrated feed liquid; and finally, regulating and controlling the pH value of the concentrated feed liquid, adding sodium sulfite into the concentrated feed liquid to reduce residual bivalent copper into monovalent copper, and adding cuprous chloride precipitate as a guide seed crystal to deeply remove residual chlorine and copper so as to obtain a lithium precipitation liquid.

The invention provides an application of a benzoate compound in a synthesis process of copper phthalocyanine, which comprises the following steps: S1, adding 3g of benzoate compound, 310g of 100% phthalic anhydride, 231g of urea and 1500ml of solvent alkylbenzene into a 3000ml three-neck bottle provided with a stirring device, a thermometer and a condenser, uniformly heating to 170 DEG C within 4 hours while stirring, and keeping the temperature for 2 hours; s2, 231 g of urea is added, the temperature is evenly increased to 190 DEG C within one hour, and heat preservation is conducted for 2 hours; s3, adding 61 g of 100% cuprous chloride and 4 g of 100% ammonium molybdate, uniformly heating to 210 DEG C within 5 hours, carrying out heat preservation and stirring reaction for 6 hours, and cooling to 100 DEG C; according to the application of the benzoate compound in the synthesis process of the copper phthalocyanine, a proper amount of the benzoate compound is added in the synthesis process of the copper phthalocyanine, so that the product yield is increased, the consumption of raw materials is reduced, and the emission of three wastes is reduced, and therefore, the production cost is reduced, and the pollution to the environment is reduced.

The application belongs to the technical field of organic synthesis, and relates to an aryl-substituted halogenated s-triazine compound and a preparation method thereof. The aryl-substituted halogenated s-triazine compound is shown as formula (I). The preparation method of the compound is as follows: a benzonitrile derivative, ethylene glycol methyl ether, dicyandiamide and potassium hydroxide are mixed and heated, and compound 1 is obtained through reaction; compound 1 and acetonitrile are mixed, and a sulfuric acid solution, sodium nitrate and a cuprous chloride solution are added dropwise in sequence, and then reaction is carried out after dropwise addition is completed; and a target product is obtained. The synthesis method has the advantages of less impurity generation, high conversion rate and high product quality.

The invention discloses an industrial circulating cooling water electrochemical dechlorination automation system and method based on cuprous chloride solid phase fixation. The method comprises the steps that industrial circulating cooling water containing chloride ions is introduced into a chlorine absorption reaction zone; in the chlorine absorption reaction zone, reducing current or reducing potential is applied to a cathode electrode, and chloride ions are fixedly removed from a water phase by generating an insoluble cuprous chloride solid phase; cuprous chloride is separated and transferred from the main water body; in the regeneration zone, cuprous chloride is converted into bivalent copper ions and chloride ions in an electrochemical oxidation or chemical oxidation mode. Through the mode, the industrial circulating cooling water electrochemical dechlorination method based on cuprous chloride solid-phase immobilization realizes selective immobilization and removal of chloride ions, and cuprous chloride is migrated or discharged from an industrial circulating cooling water system through the regeneration step, so that under the condition of industrial circulating cooling water with the chloride ion concentration of 500-2000mg / L, the chloride ions in the industrial circulating cooling water can be effectively removed. The substantial reduction of the total chlorine content is realized.

A separator for lithium-ion batteries and a modification method. The modification method comprises: using anisole as a solvent, octakis(chloropropyl)silsesquioxane as an initiator, methyl methacrylate as a monomer, cuprous chloride as a catalyst, and pentamethyldiethylenetriamine as a ligand, and synthesizing polymethacrylate-polyhedral oligomeric silsesquioxane by means of an atom transfer radical polymerization method; preparing a modified slurry from the polymethacrylate-polyhedral oligomeric silsesquioxane; and coating a surface of a base film of a separator with the modified slurry and drying same, so as to obtain a separator coated with polymethacrylate-polyhedral oligomeric silsesquioxane. The improved technique not only achieves significant effects in terms of improving the mechanical properties and thermal stability of a separator, but also realizes the optimization of cost efficiency and supply stability while maintaining good electrolyte wettability and reducing the internal resistance of a battery cell, thereby exhibiting potential in a wide range of applications.

The invention provides a plasma copper etching method and semiconductor process equipment. According to the method for etching the copper through the plasma, firstly, a copper layer is modified through first process gas, the surface of the copper layer is modified into cuprous chloride, then, second process gas reacts with the cuprous chloride to generate cuprous nitride, and the reaction is continuously carried out in the direction of etching the copper layer till etching of the copper layer is completed. The cuprous nitride is low in melting and boiling point and is easy to volatilize in the etching process, so that the etching uniformity is improved, a process chamber is prevented from being polluted, and the process stability is improved.

The utility model relates to the technical field of dust recycling equipment, in particular to a dust recycling system in cuprous chloride production, which comprises a mounting base, a linkage assembly is arranged on the upper side of the mounting base and comprises a main sliding seat, a pair of movable sliding rails is arranged at the lower end of the main sliding seat and is fixedly connected with the upper end of the mounting base through bolts, and the movable sliding rails are connected with the mounting base through bolts. The lower end of the main sliding seat is connected with the pair of movable sliding rails in a sliding mode, a servo motor is arranged at the left end of the main sliding seat, the right end of the servo motor is fixedly connected with the left end of the main sliding seat through a bolt, and the output end of the right side of the servo motor penetrates through the main sliding seat. A right-angle pipe on the right side of a front linkage frame and a dust collection hopper at the right end of the front linkage frame are controlled to swing in a left-right shaking mode through a first double-linkage air cylinder, the height of a sliding table is controlled through a second double-linkage air cylinder to control the height of the right-angle pipe and the height of the dust collection hopper at the right end of the right-angle pipe, and the suction area for dust recycling is increased by continuously changing the position of the dust collection hopper. Therefore, the working efficiency of dust recovery is improved.

The application discloses a kind of semi-fluorocarbon for removing emulsified silicone oil filling and its preparation method and application, comprising, olefin and perfluoroalkyl iodine are dissolved in acetonitrile, initiator is added and reacted under light source, to obtain fluorine-containing iodoalkane;Fluorine-containing iodoalkane is dissolved in isopropyl alcohol, and after adding reducing agent and heating reaction, it is washed to obtain semi-fluorocarbon with the structure of CF3 (CF2) 3 (CH2) 4CH3, named semi-fluorinated nonafluorononane;Wherein, the molar ratio of the olefin and perfluoroalkyl iodine is 1:1-1.4, and the initiator is cuprous chloride.The application controls the proportion of raw materials, carries out reaction under the condition of suitable initiator, simultaneously preferably zinc powder is used as reducing agent, effectively improves product purity and product yield, and operation process is simple, safe, and CF3 (CF2) 3 (CH2) 4CH3 prepared has not only good stability, but also good biocompatibility, no cytotoxicity, no skin sensitization, no acute eye irritation, can dissolve or wrap emulsified silicone oil droplets, and play a great role in the removal of emulsified silicone oil.

This invention discloses a method for producing copper oxide nanosheets from PCB acidic etching solutions, belonging to the field of PCB acidic etching solution treatment technology. This invention uses a reducing agent to react with acidic waste etching solution for precipitation. During the precipitation process, by controlling the pH, the content of hydroxide-type alkalis, and carbonate-type alkalis, copper ions can first be converted into cuprous chloride and basic copper carbonate intermediates before decomposing into copper oxide nanosheets. The process of this invention is simple, low-cost, and can produce high-purity copper oxide nanosheets from PCB acidic waste etching solution without high-temperature calcination. The provided method is applicable to copper plating, energy storage, solar cells, and chemical catalysts in the electronics industry.

The invention relates to a sterilization liquid agent based on cuprous hydroxide, and also relates to a preparation method and a use method thereof, the suspension of cuprous hydroxide is used as the sterilization liquid agent, and diseases caused by various oomycetes, fungi and / or bacteria can be effectively prevented and treated; wherein the turbid liquid of cuprous hydroxide is obtained by stirring a cuprous chloride coordination compound in a solution state and decomposing the cuprous chloride coordination compound in water. According to the sterilization liquid, the single-time copper dosage is far lower than that of an existing copper ion sterilization agent, and meanwhile the prevention and treatment range of diseases is wider. Therefore, the risk of excessive heavy metal residue caused by the existing copper preparation is solved, and the problem that multiple bactericides need to be used at the same time for preventing and treating one or more diseases is also avoided. The bactericidal liquid provided by the invention has important significance for preventing and treating plant diseases, and has huge application potential in the agricultural market.

The invention discloses a preparation method of a silicon-copper catalyst and a synthesis method of alkoxy silane. The preparation method comprises the following steps: treating a mixture of cuprous chloride and silicon powder at 90-120 DEG C for more than 10 minutes; treating for more than 1 minute at the temperature of 200-300 DEG C under the condition of weak reducing atmosphere; then roasting for more than 60 minutes under the condition of 800-1000 DEG C and inert atmosphere; after roasting is finished, the inert atmosphere is maintained, heating is stopped, heat preservation is conducted for 12 h or above, natural air cooling is conducted after the temperature is reduced to 200 DEG C or below, and the silicon-copper catalyst is obtained. The synthesis method comprises the following steps: constructing a reaction system by using the silicon-copper catalyst, silicon powder and alkyl alcohol, and heating the reaction system to 160-240 DEG C for reaction to obtain alkoxy silane. When the silicon-copper catalyst disclosed by the invention is applied to the direct method for synthesizing alkoxy silane, the conversion rate and the selectivity of a synthesized product can be greatly improved, and the synthesis efficiency is improved.

The utility model relates to the technical field of feed production equipment, in particular to a cuprous chloride production mixing tank which comprises a smashing shell, a feeding groove is formed in the top of the smashing shell and communicated with the smashing shell, and the smashing shell is rotationally connected with a first smashing shaft and a second smashing shaft. The first smashing shaft is provided with first smashing teeth, the second smashing shaft is provided with second smashing teeth, the first smashing teeth and the second smashing teeth are arranged in a staggered mode, the first smashing shaft is provided with a first gear, the second smashing shaft is provided with a second gear, a motor support is arranged on one side of the smashing shell, and a first motor is fixed to the motor support. A power output shaft of the motor I is fixedly connected with a gear III, and the gear III is meshed with the gear I. The spiral teeth are spirally wound on the outer ring of the spiral shaft, cuprous chloride raw materials fall into the stirring and mixing shell through the screen, and the spiral teeth rotate to convey raw material waste materials in the discharging bin to the slag discharging opening.

The invention relates to the fields of coordination chemistry and metal organic chemistry, and discloses a metal-only center chiral osmium carbon dragon complex as well as a preparation method and application thereof. According to the synthesis method, a chiral polyalkyne carbon chain (a carbon dragon ligand precursor containing a propargyl alcohol structure unit) with pure enantiomers is reacted with a metal osmium source OsCl2 (PAr3) 3, and the chirality of a carbon center on the polyalkyne carbon chain is transferred to the chirality of a metal center of the carbon dragon complex through a chiral transfer strategy, so that the one-pot preparation of the metal-center-only chiral osmium carbon dragon complex is realized. The synthesis method has the characteristics of simplicity and convenience in operation, easiness in separation, mild reaction conditions, easiness in obtaining of raw materials, good universality of reactants and the like. And meanwhile, the obtained metal-center-only chiral osmium carbon long complex can react with various reagents such as m-chloroperoxybenzoic acid / sulfur powder / tin powder / cuprous chloride / silver tetrafluoroborate, phenanthroline / triphenylphosphine gold chloride / acetonitrile / pyridine / imidazole and the like, so that further derivatization is realized, and a series of brand new metal-center-only chiral osmium carbon long complexes are obtained. The metal-only center chiral osmium-penta-oxa three-membered ring complex provided by the invention can be used for efficiently catalyzing an asymmetric Michael addition reaction of indole and an alpha-hydroxyl-alpha ', beta'-unsaturated ketone compound.

The invention discloses a method for preparing colored tempered glass through coloring and strengthening synergism and an obtained product. The method comprises the following steps: proportioning cuprous chloride and potassium nitrate according to a ratio, and melting to prepare coloring strengthening salt; a sodium-aluminum-silicon or lithium-aluminum-silicon glass substrate is subjected to acid etching, cleaning and preheating and then is immersed into the fused salt for ion exchange treatment, so that metal ions and Kions are synchronously diffused to the surface layer of the glass, and coloring and chemical strengthening are realized in one step. According to the method, the traditional multi-step process bottleneck of'strengthening and then coloring 'or'coloring and strengthening' is broken through, the production period is remarkably shortened, and the energy consumption and the cost are reduced. The obtained colored tempered glass is high in color saturation, and can present various tones such as light red, red, light blue and blue through regulation and control of process parameters; meanwhile, excellent mechanical properties are achieved, the surface compressive stress can reach 1030 MPa, the stress layer depth can reach 125 microns, the Vickers hardness can reach 720 HV, the four-point bending strength is not lower than 680 MPa, and the acid and alkali resistance is excellent.

The invention discloses a method for synthesizing an aryl thiobenzothiazole compound based on cuprous chloride, which comprises the following step: in an organic solvent in the presence of a copper catalyst and potassium carbonate, carrying out three-component coupling reaction on a benzothiazole sulfone compound, elemental sulfur and an aryl iodine compound to obtain the aryl thiobenzothiazole compound. According to the method, a double C-S bond is constructed through a three-component coupling reaction of a benzothiazole sulfone compound, elemental sulfur and an aryl iodine compound by utilizing a copper catalyst under a heating condition, so that synthesis of the aryl sulfur benzothiazole compound is realized, and the yield is improved through an additive potassium carbonate; the method has the characteristics of no need of ligand, simplicity and convenience in operation, high substrate universality, good yield, good compatibility with various functional groups and the like, so that the method has practical application value.

This invention provides a coal chemical wastewater treatment process, belonging to the field of industrial wastewater treatment and reuse technology. The invention involves mixing copper sulfate pentahydrate, L-cysteine, and coal chemical wastewater for a chloride ion removal reaction. After the reaction, initial separation is performed to obtain a solid precipitate and a supernatant. The solid precipitate is then subjected to a second washing and separation to obtain crude cuprous chloride. The supernatant is mixed with Fenton iron sludge particles, followed by the addition of peroxide for Fenton oxidation. This process can simultaneously and efficiently remove chloride ions and recalcitrant organic pollutants. The cuprous chloride precipitate, a byproduct of chloride ion removal, has high industrial value and can be recycled to reduce treatment costs. The residual copper ions and cysteine ​​can be used as peroxide activators to improve organic matter removal efficiency.

The invention discloses a biphase mixed type Cu2MoS4 photocatalyst, a preparation method and application, and belongs to the technical field of photocatalysts. The preparation method comprises the following steps: (1) mixing molybdate and thioacetamide, performing ultrasonic dissolution, adding cuprous chloride, stirring and dissolving to obtain a mixed solution; and (2) putting the mixed solution into a high-pressure kettle, and reacting for 5-10 hours at the temperature of 200-260 DEG C, so as to prepare the biphase mixed Cu2MoS4 photocatalyst. The biphase mixed type Cu2MoS4 photocatalyst is synthesized and prepared by adopting a one-step hydrothermal method, the raw materials used for preparation are few in variety, low in price and easy to obtain, the reaction condition is mild, the preparation process is simple, and the requirement for equipment is low. When the prepared catalyst is used for photocatalytic reduction of CO2, the yield of C2H4 is 30.22 [mu] mol / h / g, the yield of CO is 29.73 [mu] mol / h / g, and the catalyst has excellent activity of photocatalytic reduction of CO2.

The invention provides alkyl naphthalene base oil and a preparation method thereof, and the preparation method comprises the following steps: mixing a composite metal chloride, an organic ligand and a solvent, and carrying out a reaction to obtain a composite ionic liquid catalyst; wherein the composite metal chloride is formed by compounding anhydrous aluminum chloride and modified metal chloride, and the modified metal chloride comprises anhydrous copper chloride, anhydrous cuprous chloride, anhydrous ferric chloride or anhydrous zinc chloride; naphthalene, olefin and the composite ionic liquid catalyst are mixed and subjected to a catalytic reaction, and the alkyl naphthalene base oil is obtained. According to the present invention, the alkylation process is finely regulated and controlled, the selectivity of the multi-alkylation product and the average alkylation number of the product are improved, and the alkyl naphthalene product with different product distributions is obtained.

The application provides an acetylene hydrochlorination reaction liquid copper-based catalyst and a preparation method and application thereof, and belongs to the field of chemical industry catalysis technology.The application obtains an acetylene hydrochlorination reaction liquid copper-based catalyst by uniformly mixing cuprous chloride, concentrated hydrochloric acid and a metal chloride.The copper-based catalyst exists in the form of a liquid complex in a reactor, has the advantages of high activity and good stability;and the copper-based catalyst belongs to a fluid catalyst, has good intermolecular heat transfer performance, is easy to replace and regenerate, and has no pressure drop problem between bed layers, uniform heat transfer and no local temperature too high phenomenon.The copper-based catalyst is used for catalyzing acetylene hydrochlorination reaction to prepare vinyl chloride, the reaction is carried out on the surface and / or inside of the liquid complex, the conversion rate of acetylene is greater than 98%, the by-product (mainly dichloroethane) is less than 0.5%, and the copper-based catalyst has a good application prospect.

The application belongs to the field of ink, and particularly relates to a phthalocyanine green, a preparation method and application thereof. The preparation method of the phthalocyanine green comprises the following steps: 1) mixing phthalic anhydride, urea, cuprous chloride, ammonium molybdate, a solvent and a rare earth chloride, and then performing a first reaction to obtain a first mixture; 2) adding an alkaline aqueous solution to the first mixture obtained in the step 1) to perform a second reaction, remove the organic solvent, cool, and perform suction filtration to obtain a filter cake; 3) washing the filter cake obtained in the step 2) to obtain copper phthalocyanine; 4) performing a third reaction on the copper phthalocyanine obtained in the step 3) in a eutectic mixture of ferric chloride and aluminum chloride and with chlorine in a catalyst to obtain the phthalocyanine green. The purity of the phthalocyanine green prepared by the preparation method of the phthalocyanine green can be improved to more than 99%. The color paste obtained by mixing the phthalocyanine green prepared by the preparation method of the phthalocyanine green and linoleum has good infrared reflectivity at 830-870 nm.

The present application relates to the field of catalyst preparation, in particular to a complex catalyst for synthesizing dimethyl carbonate, a preparation method and application thereof; the complex catalyst is prepared by complex coordination reaction of copper salt and multiple types of nitrogen-containing and oxygen-containing organic ligands; the copper salt is selected from one or more of cuprous chloride, cuprous bromide, cuprous iodide, copper chloride, copper sulfate, copper nitrate and copper acetate; the ligand is selected from two or more of nicotinamide, 3,4-dihydro-2(1H) quinolinone, 1-hydroxyisoquinoline, 2-pyridine carboxamide, o-phenanthroline, hexamethylphosphorus triamide, N-methyl-1-pyridine-2-methylamine, N-isopropylphthalimide, 3-cyanoisoquinoline, N-methylpyrrolidone, N-methylphthalimide, 2-hydroxyquinoline, phthalimide, trans-N-(2-pyridylmethylene) aniline and respective derivatives thereof, and is prepared by compounding in different proportions; under the synergistic effect of multiple ligands, the selectivity of dimethyl carbonate is ensured to be higher than 98%, and the selectivity of CO is greatly improved.

The application discloses a synthesis method of a (Z)-1-aryl sulfide-2-phenol ether-4-aryl-trisubstituted-1-butene-3-alkyne compound, which comprises two-step room temperature reactions: firstly, in a dry reaction container, 1,3-di-alkynyl triiodide reagent (I), a phenol compound, a base reagent and an organic solvent are mixed, and stirring reaction is carried out at room temperature until the starting material is completely consumed, and the solvent is removed by concentration under reduced pressure; then, a sulfenol compound, a copper catalyst and an organic solvent are added into the concentrated residue, and stirring reaction is carried out at room temperature until completion, and the target product (II) is obtained through post-treatment. The molar ratio of the 1,3-di-alkynyl triiodide reagent (I), the phenol compound and the sulfenol compound is 1:1.05:(1.1-1.3); the copper catalyst is selected from one of cuprous iodide, cuprous chloride and tetraethylammonium copper tetrafluoroborate, and the copper catalyst is preferably tetraethylammonium copper tetrafluoroborate; and the organic solvent is selected from acetonitrile, 1,2-dichloroethane and the like, and the total amount of the organic solvent added is 0.1 mmol in terms of the amount of substance of the reagent shown in formula (I). The method has mild reaction conditions, simple operation and can efficiently prepare the target compound.