128 results about "Cumene" patented technology

The invention discloses a method for synthesizing a chlorfenapyr bisamide intermediate by a one-pot method, which comprises the following steps: by taking aniline as an initial raw material, reacting the aniline with 2-bromoheptafluoropropane under the action of a catalyst and an acid-binding agent to generate 4-heptafluoroisopropylaniline, distilling to recover excessive 2-bromoheptafluoropropane after the aniline is completely converted, and separating the 2-bromoheptafluoropropane from the 4-heptafluoroisopropylaniline to obtain the chlorfenapyr bisamide intermediate. Adding bromotrifluoromethane into the reaction liquid to react to obtain 2-trifluoromethyl-4-(heptafluoroisopropyl) aniline, then carrying out oxidation-reduction reaction on the dropped hydrogen peroxide and excessive sodium hydrosulfite, and after the sodium hydrosulfite is completely consumed, reacting to obtain 2-trifluoromethyl-4-(heptafluoroisopropyl) aniline; and carrying out benzene ring bromination reaction on dropwise added hydrogen peroxide, the brominating agent in the reaction liquid and the 2-trifluoromethyl-4-(heptafluoroisopropyl) aniline to obtain the 2-bromo-4-(heptafluoroisopropyl)-6-(trifluoromethyl) aniline, wherein the brominating agent in the reaction liquid and the 2-trifluoromethyl-4-(heptafluoroisopropyl)-6-(trifluoromethyl) aniline are subjected to benzene ring bromination reaction. The method is simple in process, high in yield, low in raw material cost and suitable for industrial production.

The invention discloses a light internal partition wall board and a preparation process thereof, and belongs to the technical field of building materials. The light internal partition wall board is prepared from the following main raw material components in parts by mass: 500 to 700 parts of slag washed sand, 1400 to 1600 parts of cement, 40 to 50 parts of flame-retardant light filler, 10 to 24 parts of flame retardant, 15 to 60 parts of air entraining agent, 8 to 24 parts of water reducing agent and 330 to 750 parts of water. Wherein the flame-retardant light filler is obtained by sequentially reacting expanded polystyrene particles with bis (pinacolato) diboron, 4-bromo-3-isopropyl benzoic acid and triisopropyl phenyl phosphate; the water reducing agent is prepared from polyvinyl alcohol; the prepared light internal partition wall board is high in compressive strength, good in fire resistance and light in mass.

Hoses include inner tube, a reinforcement layer disposed outwardly from the inner tube, and a cover layer disposed outwardly from the reinforcement layer, and the cover layer and / or inner tube is based on a cured composition formed from a mixture containing a blend of chlorinated polyethylene (CPE) and cross-linkable oxidized high density polyethylene (oxidized HDPE), where the CPE and oxidized HDPE are blended in a CPE:oxidized HDPE weight ratio of from 10:1 to 1:1, and a peroxide curing system. The peroxide curing system used in some compositions according the disclosure include alpha-alpha-bis(t-butylperoxy)diisopropylbenzene and trimethylolpropane trimethacrylate.

The invention belongs to the technical field of synthesis and application of medical intermediates, and particularly relates to a preparation method of a dimethyl isobenzofuranone compound, which is characterized in that 2-isopropyl benzoic acid is subjected to intramolecular oxidative cyclization reaction under the action of catalytic amount of hydrochloric acid and oxygen in an organic solvent under an illumination condition to obtain the dimethyl isobenzofuranone compound. The preparation method of the dimethyl isobenzofuranone compound provided by the invention is green, efficient and mild in condition.

A system can be used to reduce the impurities present in a styrene monomer product distilled from a pyrolysis oil. The system can include a fractionation train downstream from a depolymerization unit. The fractionation train may include four fractionation columns in series and produce a styrene monomer product stream comprises at least 99.0 wt% styrene and 300 ppm or less cumene.

The invention relates to a green synthesis method of 2, 4-dicumyl phenol. The invention belongs to the field of synthesis of medical intermediates. The invention aims to solve the technical problems that the raw materials are non-renewable, thermal runaway is easily caused by high-temperature reaction, the energy consumption is high and the content of 3-substituted by-products is relatively high in the existing synthesis method of 2, 4-dicumyl phenol. The method comprises the following steps: adding vanillin into an electrolyte, and carrying out electrochemical deoxidation in a proton exchange membrane electrolytic cell by taking a titanium-based DSA electrode as an anode to obtain o-methoxyphenol; according to the method, o-methoxyphenol and cumene are subjected to a free radical coupling reaction in a flowing electrochemical reactor in the presence of a homogeneous electron transfer catalyst by taking a titanium-based DSA electrode as an anode, and high-purity 2, 4-dicumyl phenol is obtained through extraction and distillation after the reaction is finished. According to the method, the raw materials are 100% renewable, strong acid and high temperature are avoided, hazardous waste emission is avoided, few trisubstituted by-products are generated, and industrial production can be carried out.

The invention discloses a preparation method of a cyclopofol intermediate B (cyclopropyl [2-hydroxy-3-(propyl-2-yl) phenyl] ketone) and cyclopofol. The preparation method comprises the following steps: esterifying 2-isopropyl phenol serving as a starting material and cyclopropylformyl chloride to obtain a compound A, carrying out rearrangement reaction on the compound A through aluminum trichloride to obtain an intermediate compound B, carrying out ylide reaction on the intermediate compound B and methyltriphenylphosphorus bromide to obtain a compound C, and carrying out recrystallization on the compound C to obtain a compound D; splitting (R)-(+)-1-phenylethyl isocyanate to obtain a compound E ({[(1R)-1-phenylethyl] amino} methanoic acid-6-[(1R)-1-cyclopropylethyl]-2-(propyl-2-yl) phenyl ester with a single configuration, wherein {[(1R)-1-phenylethyl] amino} methanoic acid-6-[(1R)-1-cyclopropylethyl]-2-(propyl-2-yl) phenyl ester; the purity of the finished cyclopofol finished product obtained through refining can reach 99.9%, the cost is low, operation is easy and convenient, and industrial production is easy.

The invention belongs to the technical field of preparation methods of fine compounds, and particularly relates to a preparation method of 3-(3-isopropyl phenyl) butyraldehyde. The method comprises the following steps: by taking a mixed material of m-isopropenyl cumene and phenylcyclopentene as a raw material, carrying out carbonylation reaction under the action of a catalyst; the catalyst is a noble metal carbonyl catalyst; after the reaction is finished, a reaction product is rectified, and isopropenyl isopropyl benzene is obtained; and carrying out formylation reaction on the product, and separating to obtain the 3-(3-isopropyl phenyl) butyraldehyde. The method has the advantages that raw material sources are simplified, physical and chemical properties of products obtained after different components react are changed through different reaction conditions of the different components in the reaction process, the purposes of separation, removal and purification are easily achieved, then the target product is obtained through the hydroformylation reaction, high purity is kept, and the method is suitable for industrial production. And moreover, the conversion rate is more thorough, and the cost can be greatly reduced compared with the existing production technology economically.

A liquid organic peroxide composition including: (a) di(tert-butylperoxy)diisopropylbenzene; and (b) at least one aliphatic organic peroxide selected from the group consisting of 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane, di(tert-amyl) peroxide, di(tert-butyl)peroxide, and 2,5-dimethyl-2,5-di(t-butylperoxy)hexyne-3. The organic peroxide composition is a homogenous liquid at ambient temperature.

The invention discloses a model compound-based lipid oxidation free radical specificity induction and detection method, which comprises the following steps: catalyzing a model compound (cumene / cumene hydroperoxide) or a lipid sample by using iron ions (Fe < 2 + > / Fe < 3 + >) with different valence states, and specifically inducing to generate cumene alkyl free radicals, cumene peroxide free radicals and cumene alkoxy free radicals; the method comprises the following steps: reacting a free radical trapping agent PBN with active free radicals to generate a stable PBN-free radical adduct; the adduct is separated and qualitatively identified by utilizing HPLC-TOF / MS (High Performance Liquid Chromatography-Time of Flight / Mass Spectrometry), and is accurately quantified by HPLC-UV (High The method has the advantages that three key free radicals can be specifically distinguished and quantified, the sensitivity is high, the repeatability is good, the method is suitable for free radical analysis from a model system to a complex grease sample, and a reliable analysis means is provided for research on a lipid oxidation mechanism.

The utility model belongs to the technical field of storage devices, and particularly relates to a storage device based on bis (tert-butylperoxy) diisopropyl benzene. Comprising a storage tank, a discharge valve is arranged at the bottom of the storage tank, and a chemical material device is connected below the discharge valve. And the material melting device comprises a pressurizing initial melting device and a melting device which are connected in sequence. The pressurizing primary melting device comprises a pressurizing primary melting bin, a primary melting heating sleeve is arranged outside the pressurizing primary melting bin, the melting device comprises a melting bin, and a melting heating sleeve is arranged outside the melting bin. And the pressurized primary melting bin is connected with a nitrogen pipeline. And the pressurizing initial melting device is connected with the melting device through a connecting pipeline. According to the material melting device, through nitrogen pressurization and heating, solid materials are rapidly melted into thick slurry, the thick slurry is conveyed downwards through a connecting pipeline to a melting bin to be further heated into liquid, and the liquid is conveyed to a production device to serve as a raw material to participate in production. Rapid heating and melting are achieved, raw materials in the whole storage tank do not need to be melted, the heating process is continuous, and efficiency is greatly improved.

The invention belongs to the technical field of catalysis, and relates to a water-resistant low-temperature catalyst and a preparation method and application thereof.The surface of a Mn / Al2O3 catalyst is doped with Cr oxide, and then a certain amount of 2, 4, 6-triisopropyl benzoic acid (Y-CrMn / Al2O3) is grafted to the surface of CrMn / Al2O3. The water-resistant low-temperature catalyst has excellent catalytic activity and water poisoning resistance, 2, 4, 6-triisopropyl benzoic acid is grafted on the surface of the chromium and manganese doped Al2O3 catalyst, the water poisoning resistance of the catalyst in 5% vol water vapor wet flue gas is improved, and the activity of the catalyst is reduced by about 3%. The catalyst is especially suitable for low-temperature catalytic oxidation of VOCs in moisture-containing flue gas, and has a wide application prospect. The catalyst is prepared by adopting conventional dipping, calcining and surface grafting processes, the process is simple, the reproducibility is good, and the catalyst shows good stability and water-resistant stability in long-term use.

The application provides a long-term high-temperature thermal-oxidative aging resistant flame-retardant polypropylene insulating material and a preparation method and application thereof, and preparation raw materials of the long-term high-temperature thermal-oxidative aging resistant flame-retardant polypropylene insulating material include polypropylene grafting antioxidant modified material, EMA resin, halogen-free flame retardant, auxiliary antioxidant, metal ion passivator and lubricant; and preparation raw materials of the polypropylene grafting antioxidant modified material include polypropylene, hindered phenol monomer, methyl methacrylate and di-tert-butyl peroxide isopropyl benzene. The flame-retardant polypropylene insulating material provided by the application solves the problems of spraying and precipitation caused by high antioxidant addition amount when the polypropylene material meets the long-term high-temperature thermal-oxidative aging resistance requirement from the root, and the degree of PP thermal-oxidative aging degradation and negative chain reaction in the later stage are further reduced as the PP tertiary carbon hydrogen is consumed in the grafting process, and the long-term high-temperature thermal-oxidative aging resistance of the material as a whole is further improved.

The utility model belongs to hydrogen peroxide cumene production technical field, concretely relates to a kind of hydrogen peroxide cumene production with oxidation device of multistage dispersion structure. The hydrogen peroxide cumene production with oxidation device of multistage dispersion structure, including cumene storage tank, cumene storage tank is connected with preheater by feed pump, and preheater is connected with cumene feed inlet in upper portion of oxidation tower;Oxidation tower top is connected with tail gas condenser by gas phase pipeline, and tail gas condenser bottom is connected with gas-liquid separation tank. The hydrogen peroxide cumene production with oxidation device of multistage dispersion structure of the utility model is matched by air section feeding and internal structure, increases mass transfer area, improves oxidation reaction rate and selectivity;Recovery reaction heat preheats raw material, stabilizes temperature field, reduces energy consumption;Tower top separates tail gas droplet, recovers cumene, guarantees process stability, improves device safety.

The application provides a preparation method of high-content 2-trifluoromethyl-4-heptafluoroisopropylaniline, in which 2-trifluoromethyl aniline and 2-bromine heptafluoropropane are reacted in the presence of hydrosulfite, a solvent and a catalyst to obtain high-content 2-trifluoromethyl-4-heptafluoroisopropylaniline through reaction and post-treatment; the catalyst is selected from phosphoric acid, pyrophosphoric acid, hypophosphorous acid, metaphosphoric acid, phosphorous acid, pyrophosphorous acid, hydrobromic acid, hydrogen bromide gas, hydrogen chloride gas or sodium bisulfite. The preparation method is simple in operation and mild in chemical reaction conditions; under the preferred reaction conditions, the conversion content reaches more than 96% in one reaction, the post-treatment steps are few, rectification is not needed, the content of the final product is more than 98%, the total reaction yield is more than 93%, the industrial production is easy, and the method has a high application prospect.

The invention provides a novel preparation method of 2-(3-isopropyl phenyl) propane-2-alcohol, which comprises the following steps: reacting m-diisopropylbenzene, air and alkali liquor to obtain an oxidation reaction solution, reducing the oxidation reaction solution, and then washing, rectifying and de-weighting to obtain a 2-(3-isopropyl phenyl) propane-2-alcohol product. The method has the advantages of convenience, rapidness, high selectivity and high practical value.

The invention discloses a method for preparing cumyl hydroperoxide by using Joule heat to drive cumyl benzene oxidation, which comprises the following steps: immersing a conductive forming carbon material into cumyl benzene, connecting the conductive forming carbon material with direct current until a system reaches a preset oxidation reaction temperature, and introducing oxygen to carry out oxidation reaction, the cumyl hydroperoxide is obtained. The method for preparing cumene hydroperoxide by using Joule heat to drive cumene oxidation has the advantages of high heat transfer efficiency, high temperature rise speed, accurate temperature control, low reaction energy consumption, easiness in catalyst separation and the like, and is suitable for large-scale industrial application.

The invention belongs to the technical field of separation of a mixture of isopropyl benzene and ethylbenzene, and particularly relates to a method and a production system for separating the mixture of isopropyl benzene and ethylbenzene in an adsorption-rectification coupling mode, and the method comprises the following steps: enabling the mixture of isopropyl benzene and ethylbenzene to pass through an adsorption-elution tower to obtain isopropyl benzene with the mass fraction greater than or equal to 99.5%; and eluting the saturated adsorption-elution tower by using an eluent to obtain an eluent and ethylbenzene mixture, separating the eluent and ethylbenzene mixture through a side rectifying tower to obtain ethylbenzene with the mass fraction greater than or equal to 99% and the eluent, and recycling the eluent. The method provided by the invention solves the problems of low purity, high energy consumption and low yield caused by direct rectification separation of isopropyl benzene and ethylbenzene, and has good economic benefits and environmental benefits.

The present invention relates to the technical field of cumene oxidation, and specifically to a cumene oxidation reaction system and method, comprising an oxidation tower and a gas-liquid separator; the oxidation tower is sequentially provided with a bubbling reactor and a microbubble generator from top to bottom; the bottom of the oxidation tower is connected to a gas supply device and a liquid supply device, respectively, and the top is connected to the gas-liquid separator; the top of the gas-liquid separator is connected to a condensing device and the gas supply device, respectively, and the condensing device is connected to an oxygen analysis device; a liquid circulation device is provided between the bottom of the gas-liquid separator and the bottom of the oxidation tower, for circulating the liquid inside the gas-liquid separator to the inside of the microbubble generator. Utilizing this system, the efficiency of cumene oxidation to produce cumene hydroperoxide can be effectively improved, and the system has the advantages of high cumene hydroperoxide production rate, high selectivity, and high safety.

The invention discloses a method for preventing sodium sand agglomeration in a thiophene metallization process. The adsorption effect of disodium isopropylbenzene is reduced by properly increasing the proportion of oleic acid; the reaction temperature is strictly controlled, and the temperature is controlled in a lower temperature range in the process of dropwise adding the electron transfer reagent and in the period of continuing the reaction after dropwise adding, so that mutual permeation among sodium particles with low melting points is avoided, and meanwhile, the sodium sand particles are prevented from being adsorbed by the disodium cumene under proper conditions; by strictly adding materials according to the material adding sequence, adding thiophene, tetrahydrofuran and sodium sand at one time, dropwise adding an electron transfer reagent, strictly controlling the dropwise adding speed of the electron transfer reagent, slowly dropwise adding, and properly prolonging the dropwise adding time of alpha-methylstyrene, the generation of a large amount of disodium cumene caused by excessive reactants of the electron transfer reagent is avoided. According to the operation of the method, the liquid does not turn red in the whole process, and sodium sand particles continuously and uniformly become small and finally become flocculent insoluble substances; the method effectively solves the problem of sodium sand agglomeration.

The invention discloses a conversion method of alpha, alpha-dimethyl benzyl alcohol, which comprises the following steps: sequentially carrying out hydrogenolysis reaction and dehydration treatment on a material flow containing alpha, alpha-dimethyl benzyl alcohol in at least one hydrogenolysis reaction unit to obtain a product cumene, each hydrogenolysis reaction unit comprises a hydrogenolysis reactor and a dehydrator, the preparation method of each reaction unit comprises the following steps: S01, conveying a material flow containing hydrogen and a material flow containing alpha, alpha-dimethyl benzyl alcohol into a hydrogenolysis reactor from the bottom of the hydrogenolysis reactor to carry out hydrogenolysis reaction, and obtaining a reaction mixture after the hydrogenolysis reaction; the hydrogenolysis reactor is filled with a solid hydrogenolysis catalyst, and the water content of the material flow containing alpha, alpha-dimethyl benzyl alcohol is less than or equal to 0.2 wt%; s02, the reaction mixture is output from the upper portion of the hydrogenolysis reactor and directly enters a dehydrator without being cooled, the pressure in the dehydrator is smaller than that in the hydrogenolysis reactor, water is removed in a gas phase state, and an oil phase containing isopropyl benzene is obtained after treatment through the dehydrator. The method has high raw material conversion efficiency and good product selectivity.

The invention discloses a method for preparing alpha, alpha '-dihydroxy-1, 3-diisopropylbenzene, which comprises the following steps: taking 1, 3-diisopropylbenzene and chlorine as raw materials, carrying out substitution reaction under the illumination of an acid-binding agent and ultraviolet rays, and then reacting with sodium hydroxide to obtain the alpha, alpha'-dihydroxy-1, 3-diisopropylbenzene (DC). The method is short in reaction period and high in reaction efficiency, the obtained alpha, alpha '-dihydroxy-1, 3-diisopropyl benzene is stable in quality, the problems of low raw material utilization rate, more side reactions, high production energy consumption, large wastewater amount, poor safety and the like in a traditional process are solved, and a new thought is provided for industrial production of the alpha, alpha'-dihydroxy-1, 3-diisopropyl benzene.

The present invention discloses a special cable for ocean-going ships and a preparation method thereof, which relates to the technical field of cables. In the present invention, a two-component silicone rubber and linear low-density polyethylene are used as the matrix, and pre-crosslinking is carried out through a crosslinking agent 1,4-bis(tert-butylperoxyisopropyl)benzene and a co-crosslinking agent triallyl isocyanurate, so as to achieve the effects of fire resistance and high temperature resistance. Then, short alumina fibers and phosphate glass are added. At high temperature, the molten phosphate presents a glassy phase, fills the pores generated by the thermal decomposition of the polymer, and connects with alumina, thereby generating an aluminum phosphate crystal phase to delay the decomposition of internal macromolecular substances. Finally, through radiation crosslinking, the polymer and the silicone rubber form a network structure to make up for the side effects caused by the addition of fillers, and the polar groups generated by radiation improve the interfacial properties between the matrix and the fillers. At the same time, the ring-opening reaction of triallyl isocyanurate occurs, thereby further enhancing the fire resistance and high temperature resistance of the matrix material.

The invention discloses a method for upgrading and utilizing pyrolytic oil of waste fan blades, and belongs to the technical field of recycling of the waste fan blades. The invention mainly solves the problem of low value of pyrolytic oil of the fan blade at present. According to the method, the pyrolytic oil is obtained by pyrolyzing the waste epoxy fan blade, then p-isopropenyl phenol in the pyrolytic oil is converted into p-isopropylphenol through a selective hydrogenation reaction, high-value chemicals such as phenol and p-isopropylphenol are separated from the pyrolytic oil through rectification, and high-value utilization of the pyrolytic oil is achieved. The method is simple in process, high in operability and easy for industrial production. Through a collaborative strategy of selective hydrogenation reaction and rectification separation, the method is used for upgrading utilization of the pyrolytic oil of the waste epoxy fan blade, the problem that separation of p-isopropylphenol and p-isopropenyl phenol in the pyrolytic oil is difficult to realize through conventional rectification is solved through selective hydrogenation reaction, the separation barrier of p-isopropylphenol and p-isopropenyl phenol is broken through, and the yield of the pyrolytic oil is improved. And high-value chemicals such as phenol and p-isopropyl phenol are separated from the pyrolytic oil.

The invention relates to a high-toughness mulching film and a preparation method thereof, and relates to the technical field of agricultural mulching films, the high-toughness mulching film comprises polypropylene random copolymer, a reactive elastomer, an antioxidant, a stabilizer, an acid absorbent and fumed silica; wherein the reactive elastomer is prepared from a polyolefin elastomer, 4-acryloyloxy-1, 2, 2, 6, 6-pentamethylpiperidine, bis (tert-butylperoxy isopropyl) benzene, white oil and an antioxidant 1076. Harmful polypropylene free radicals generated in the early stage of field photo-oxidative aging of the mulching film are specifically captured by interfacial active groups through a reactive elastomer, and are converted into firm covalent bonds, so that an aged broken-chain polypropylene molecular segment is directly anchored on a high-toughness elastomer network; dynamic compensation of interface bonding strength is realized, and excellent initial toughness is obtained; and along with the prolonging of the aging time, the durability of high toughness is prolonged, and the problem of residual film pollution caused by embrittlement and breakage is inhibited.

The application discloses a hollow bubble bed reactor, a system and a method for continuously preparing cumene hydroperoxide by oxidizing cumene, and application of the system and the method. The hollow bubble bed reactor comprises a gas-liquid mixing reaction section and a main reaction section from bottom to top. The gas-liquid mixing reaction section comprises a gas feeding port, a liquid feeding port and a micro-bubble mixer. The main reaction section comprises a liquid discharging port and a liquid phase circulating outlet. The micro-bubble mixer comprises a tubular membrane tube. Compared with a traditional bubble column reactor and an air self-oxidation process, the application uses a hollow metal fiber membrane to control the bubble size and dispersity of gas molecules in a liquid phase, so that the safety of the device can be ensured, the conversion efficiency of cumene can be improved, the reaction time can be shortened, cumene hydroperoxide can be continuously produced, higher selectivity of a target product can be obtained, and the application has good industrial application value.

The utility model relates to the technical field of production of dicumyl peroxide, in particular to a reaction kettle for production of bis (tert-butylperoxy) dicumyl peroxide. Comprising a kettle body and a storage tank, a plurality of feeding barrels are arranged at the top of the kettle body, feeding pistons are arranged in the feeding barrels, the size of the feeding pistons is matched with that of the feeding barrels, feeding handles are fixed to the tops of the feeding pistons and connected with an output shaft of a hydraulic cylinder, feeding pipes are arranged at the bottoms of the feeding barrels, the feeding pipes penetrate through the kettle body to be communicated with the interior of the kettle body, and feeding valves are arranged on the feeding pipes; a feeding pipe is arranged at the bottom of the feeding barrel, a one-way valve is arranged on the feeding pipe, the feeding pipe is connected with a liquid suction pipe, the liquid suction pipe extends into the storage tank, an opening, in the storage tank, of the liquid suction pipe is located at the bottom of the storage tank, and a communicating air pipe is arranged at the top of the storage tank. The feeding device can accurately control the feeding amount, can automatically supplement materials after feeding is completed, and is time-saving and convenient.

The application provides a preparation method of dihydroperoxy cumene, comprising the following steps: continuously feeding diisopropylbenzene into a reactor, and performing an oxidation reaction in the presence of a base to obtain dihydroperoxy cumene; wherein the reactor comprises N reaction sections distributed along the flow direction of the diisopropylbenzene, and N is an integer greater than or equal to 2; and the base is added into the reactor from at least two reaction sections in the process of the oxidation reaction. By using the above method and device for preparing dihydroperoxy cumene, dihydroperoxy cumene with high selectivity can be obtained.

The application discloses a drying device for preparing buthionine, belongs to the technical field of buthionine preparation, and comprises an operating mechanism, a mixing mechanism for preparing raw materials is arranged on the operating mechanism, and a drying mechanism for drying solvents is arranged on the operating mechanism. When the lower pressing frame is pressed down, 2.6-diisopropyl-4-phenoxyphenyl isothiocyanate and toluene are mixed and then dropped into t-butylamine, and finally the three are mixed by standing, meanwhile, the intermediate product dried in the last preparation process is drawn into a crystallization box for crystallization; when the lower pressing frame is lifted up, the prepared raw materials enter a drying bottle for drying, and the buthionine prepared in the last preparation process is taken out, so that the application has high automation degree and good continuity; when the drying mechanism dries the drying bottle through a heater, the drying bottle rotates at the same time, so that the heating area is increased and uniform drying is realized.

A catalyst compound of formula (I) for the oxidation of an olefin into a ketone and a process of oxidation of an olefin into a ketone, which includes a step of reacting the olefin with an oxidant in the presence of the catalyst compound of formula (I). The catalyst compound of formula (I) allows for the oxidation to be carried out under mild conditions, without the use of cancerogenic compounds such as isoprene, benzene or cumene, and with a high selectivity for the production of ketones.