21 results about "Dihydroxyanthraquinone" patented technology

The invention provides an emulsion slow crosslinking type plugging control gel, which is in an oil-in-water type, and is prepared from the following raw materials in percentage by weight: 25 to 40 weight percent of nonionic monomer, 0.5 to 2 weight percent of dihydroxy anthraquinone, 5 to 16 weight percent of anionic monomer, 0.002 to 0.2 weight percent of initiator and the balance of water. The emulsion comprises the following components in percentage by weight: 10 to 35 percent of deionized water, 15 to 30 percent of non-polar solvent, 2 to 8 percent of emulsifier, 1 to 4 percent of emulsifying aid and 0.5 to 1.5 percent of phase inversion agent. According to the plugging adjusting gel, the modified functional monomer dihydroxy anthraquinone is added, and the dihydroxy anthraquinone and monomers such as acrylamide are copolymerized to form oil-in-water type polymer gel, so that the initial viscosity is low, the strength and the plugging rate are high, and the gelling time is controllable.

The invention belongs to the technical field of material chemistry and sewage detection, and particularly relates to a nanofiber for detecting Cu < 2 + > as well as a preparation method and application thereof. The invention provides a preparation method of a 1, 4-DHAQ (at) GEL-PCL nanofiber membrane, which comprises the following steps: dissolving gelatin and polycaprolactone in an organic solvent to obtain a substrate solution, and putting the substrate solution into 1, 4-dihydroxy anthraquinone for electrostatic spinning to obtain the nanofiber membrane. The nanofiber membrane can be used for preparing a solid fluorescence sensor for detecting Cu < 2 + > in a water body. The nanofiber membrane is prepared by only one step, the raw materials are green, environment-friendly, economical and easy to obtain, and the treatment process is simple; the original performance can be maintained and stored for six months under the normal-temperature dark condition; the prepared fluorescence sensor is short in incubation time, suitable for rapid detection of large-batch samples, high in sensitivity and good in stability; the prepared fluorescence sensor is a solid sensor and is convenient to carry. The sensor is resistant to interference of various ions, good in specificity and suitable for Cu < 2 + > detection in various wastewater treatment fields.

The present invention relates to the field of 1,4-dihydroxyanthraquinone dilution and hydrolysis mother liquor treatment, specifically a kind of cleaning treatment method of 1,4-dihydroxyanthraquinone dilution and hydrolysis mother liquor. Its steps mainly include: decolorization, cooling, neutralization and dissolution in ammonia water, solid-liquid separation, acidification, crystallization, drying pyrolysis, evaporation concentration, decolorization, quicklime reaction. The present invention can reclaim the excess phthalic anhydride added during the production of 1,4-dihydroxyanthraquinone in the dilution and hydrolysis mother liquor, can save resources, while reducing the production cost of the enterprise, meet the basic requirements of clean production, can extract boric acid by evaporation concentration hydroxyl mother liquor, centrifugation, drying, and then reclaim sulfuric acid by adding calcium oxide, truly achieve the unity of wastewater treatment and resource recovery, and realize clean production.

The utility model provides a 1, 4-dihydroxy anthraquinone washing and drying device which comprises a supporting plate, and an open type drying machine is installed on the supporting plate. According to the 1, 4-dihydroxy anthraquinone washing and drying device, 1, 4-dihydroxy anthraquinone is filtered and collected in a collecting frame through a filter screen, waste water flows into a purifying pond, a first servo motor is controlled to rotate anticlockwise, then the collecting frame is driven to turn over, the collecting frame is inversely buckled above an open type drying machine, and the 1, 4-dihydroxy anthraquinone collected in the collecting frame is recycled. 1, 4-dihydroxy anthraquinone falls into the open type dryer, then the open type dryer is started, the 1, 4-dihydroxy anthraquinone can be rapidly dried, the 1, 4-dihydroxy anthraquinone adhered to the collecting frame and the filter screen is dried, then the vibration motor is started to vibrate the adhered 1, 4-dihydroxy anthraquinone into the open type dryer, and then the dried 1, 4-dihydroxy anthraquinone is collected. The utility model discloses 2, 4-dihydroxy anthraquinone.

The application discloses infrared light penetrating ink and a preparation method and application thereof. According to weight percentage, the infrared light penetrating ink comprises the following components: 60-70% resin, 0.63-0.72% black dye, 0.12-0.21% red dye, 0.2-0.7% water-based polyurethane dispersion, 1.0-2.0% curing agent and 28-40% water. Preferably, the black dye is carbon black; and the red dye is 1,2-dihydroxy-9,10-anthraquinone. The preparation method comprises the step of mixing the various raw materials. The infrared light penetrating ink can be used for pollution detection of glass or silicon wafer. Through control of the mass percentage of the black dye and the red dye, the application can realize stable low reflectivity and light transmittance in the visible light region, high light transmittance in the infrared light region and strong adhesion to glass and other substrates.

The invention discloses a clean production method of a 1, 4-dihydroxy anthraquinone medical intermediate for an anti-tumor drug, a 1, 4-dihydroxy anthraquinone product is produced by the steps of feeding, reaction, hydrolysis, suction filtration and drying, and mother liquor wastewater generated in the suction filtration step is sequentially subjected to cooling crystallization and resin adsorption, so that the 1, 4-dihydroxy anthraquinone medical intermediate is obtained. Phthalic acid is obtained after phthalic acid desorption, resin regeneration and phthalic acid refining treatment, phthalic acid is dried and then reused for synthesis of the 1, 4-dihydroxy anthraquinone medical intermediate, and filtrate is merged into the next batch of synthesis mother liquor wastewater to be treated. The resource recycling of the mother liquor wastewater and the clean production of the 1, 4-dihydroxyquinone can be realized, and the resource is effectively saved.

The application discloses anthraquinone-based polysulfate and a preparation method and photocatalytic application thereof, and belongs to the field of polymer material synthesis and photocatalytic technology. The polysulfate takes 2,6-dihydroxyanthraquinone derivative as a core monomer, is connected through a sulfate bond to form a conjugated polymer, and has excellent visible light absorption capacity and electron transport performance. The preparation method takes 2,6-dihydroxyanthraquinone as a starting material, synthesizes a double silyl ether protected anthraquinone intermediate and a thiofluoride activated anthraquinone intermediate respectively, and finally performs polycondensation on the two intermediates under a potassium hydrogen fluoride / crown ether catalytic system. The material can catalyze hydrogen peroxide to be generated from water and oxygen under visible light irradiation, and the yield reaches 2667 μmol·h ‑1 ·g ‑1 , is a new type of efficient photocatalytic material, and has wide application prospects in the fields of green synthesis and environmental catalysis.

The present application provides a kind of emulsion delayed crosslinking type plugging gel, the emulsion delayed crosslinking type plugging gel is oil-in-water type, including the following raw materials by weight percentage: non-ionic monomer 25wt%-40wt%, dihydroxy anthraquinone 0.5wt%-2wt%, anionic monomer 5wt%-16wt%, initiator 0.002wt%-0.2wt%, deionized water 10wt%-35wt%, non-polar solvent 15wt%-30wt%, emulsifier 2wt%-8wt%, emulsifying aid 1wt%-4wt%, phase transfer agent 0.5wt%-1.5wt%.The plugging gel is by adding modified functional monomer dihydroxy anthraquinone, dihydroxy anthraquinone and acrylamide copolymerization with other monomers oil-in-water polymer gel, not only initial viscosity is low, intensity and plugging rate is high, and gel time is controllable.

The application discloses a preparation method of a novel near-infrared photodiagnosis and phototherapy agent based on anthraquinone violet derivative, which comprises the following steps: under heating conditions, K2CO3 is added into a N,N-dimethylformamide (DMF) solution of 16,17-dihydroxyanthraquinone violet to carry out dehydrogenation, [1-(4-bromomethylphenyl)-1,1,2-triphenyl] ethylene is added into the reaction solution, the temperature is increased, and reaction is carried out for 12 h; the S1 reaction product is settled with methanol and water, and filtered; the crude product is used as an eluent of dichloromethane and ethyl acetate, and is separated through a silica gel column chromatography; after rotary evaporation and drying, a dark blue tetraphenyl ethylene modified anthraquinone violet derivative is obtained; and the water solubility of the molecule is realized through a mesoporous silica or amphiphilic polymer wrapping mode, and a corresponding photodiagnosis and phototherapy agent is obtained. The method is simple in operation, the obtained material can emit 700-1200 nm fluorescence under excitation of a near-infrared region one laser, simultaneously generates singlet oxygen and hydroxyl radicals for photodynamic therapy, and the mesoporous silica wrapping can also be used for drug loading and transportation.

The invention relates to a hybridoma cell strain capable of secreting an anthraquinone compound monoclonal antibody and application of the hybridoma cell strain, and belongs to the technical field of immunodetection. A hybridoma cell strain is prepared, the hybridoma cell strain secretes monoclonal antibodies of various anthraquinone compounds including 9, 10-anthradione, emodin, aloe-emodin, rhein, chrysophanol and 1, 2-dihydroxy anthraquinone, the monoclonal antibodies are preserved in the China General Microbiological Culture Collection Center (CGMCC) on April 17, 2025, and the preservation number of the monoclonal antibodies is CGMCC. The preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) NO.46503. The obtained monoclonal antibody has good detection sensitivity and broad-spectrum specificity to anthraquinone compounds, can be applied to preparation of anthraquinone compound detection products, provides a brand new tool for immunological detection of anthraquinone compound residues in the food industry, and has practical application value.

The present invention relates to the technical field of organic synthesis, and in particular to a method for preparing 1,4-dihydroxy-5,8-dichloroanthraquinone. The method adopts 1,4-dihydroxyanthraquinone as a main reaction raw material, fuming sulfuric acid as a reaction solvent, and boric anhydride as a catalyst, and introduces chlorine gas under the action of a co-catalyst to prepare the 1,4-dihydroxy-5,8-dichloroanthraquinone. The method adopts boric anhydride to increase acidity, and the co-catalyst adopted in the method improves reaction activity, reduces reaction temperature, reduces by-products, and improves product purity.

This invention discloses a lithium-containing organic cathode material, the preparation method of which includes the following steps: S1. Mixing 1,4-dihydroxyanthraquinone, lithium hydroxide monohydrate, and a solvent, stirring and reacting under heating conditions, and then removing the solvent to obtain a solid powder; S2. Heat-treating the obtained solid powder under an inert atmosphere at a temperature above 200°C, and then cooling to obtain the product. This invention, through rational molecular structure design, directly introduces lithium into the molecular framework of 1,4-dihydroxyanthraquinone, thereby significantly expanding its application range. Based on this, matching with a PVDF-based polymer electrolyte effectively reduces the dissolution problem caused by contact with polar solvents. Benefiting from the electron-withdrawing effect and space charge effect of adjacent carbonyl functional groups, this material achieves a record-breaking high discharge plateau—approximately 3.4 V. Thanks to its high oxidation plateau (above 3.2 V), it can be stored for a long time in air.

The utility model relates to the field of dye proportioning, and discloses a 1, 4-dihydroxy anthraquinone raw material accurate proportioning device which comprises a mixing tank for mixing dihydroxy anthraquinone, a bottom plate and a proportioning mechanism, the bottom plate is provided with a mixing tank, the top of the mixing tank is provided with a proportioning mechanism, the mixing tank is fixedly provided with a control panel, and the proportioning mechanism is connected with the control panel; the proportioning mechanism comprises a plurality of storage boxes, a feeding roller, an adjusting block, a circular plate, a threaded rod, a rotating plate, a motor, a sealing ring and a guide plate, and the plurality of storage boxes are fixedly mounted at the top of the mixing tank. The quantitative feeding device has the following advantages and effects that the effect of automatically and quantitatively adding raw materials can be achieved through cooperation of all the components, then the effect of accurately proportioning the 1.4 dihydroxy anthraquinone raw materials is achieved, and the effect of adjusting the sizes of the three quantitative grooves according to the requirements of a user can be achieved.

The application discloses a method for rapidly synthesizing red fluorescent carbon dots based on room-temperature Schiff base reaction, and belongs to the technical field of fluorescent carbon dot materials. The method uses 1,4-dihydroxyanthraquinone as a carbon source and ethylenediamine as a nitrogen source, fully dissolves in an organic solvent, realizes molecular condensation through a Schiff base reaction at room temperature, and completes in-situ construction of red fluorescent carbon dots with mild oxidation. The application takes room-temperature Schiff base reaction as a core driving mechanism, does not need high-temperature and high-pressure conditions and complex energy input, has controllable reaction process, short cycle, low energy consumption and simple process, and has excellent repeatability and industrial amplification potential. The obtained red fluorescent carbon dots have a fluorescent emission peak center at about 650 nm, an emission tail peak extending to the near-infrared I region, a fluorescent quantum yield of 15%, excellent light stability and environmental tolerance, and are suitable for the field of biological imaging, and have wide application prospects.

The invention provides a washing device for synthesizing a 1, 4-dihydroxy anthraquinone leuco body. Relates to the technical field of chemical equipment, in particular to a washing device for 1, 4-dihydroxy anthraquinone leuco body synthesis, which comprises a mounting box, a water storage tank I, a water storage tank II, a water storage tank III and a water storage tank IV are respectively arranged around the mounting box, a drain pipe is fixedly mounted on the water storage tank I, a water inlet pipe is fixedly mounted on the water storage tank IV, and a water outlet pipe is fixedly mounted on the water inlet pipe. Conveying pipes are fixedly installed at the bottoms of the second water storage tank, the third water storage tank and the fourth water storage tank, three water pumps are arranged among the first water storage tank, the second water storage tank, the third water storage tank and the fourth water storage tank, and water inlets of the three water pumps are fixedly connected with the top ends of the three conveying pipes correspondingly; and connecting pipes are fixedly mounted on water outlets of the three water pumps. The washing machine has the advantages that the washing efficiency can be guaranteed through step-by-step cleaning, water consumption is reduced, the washing efficiency is improved, meanwhile, the washing machine is more environmentally friendly, and the whole washing process is more coherent and continuous.

The invention discloses a preparation method and application of novel copolyester, and belongs to the field of polymer composite coatings. The copolyester synthesized by the invention has good corrosion resistance, can be used for preparing a corrosion-resistant and wear-resistant polymer composite coating, can be used for protecting a ship body and preventing the corrosion of saline water and marine organisms, and can also be used for protecting offshore wind power equipment and other equipment and preventing the corrosion caused by seawater and tides; and the paint can also be used for corrosion prevention of mechanical equipment and parts in a highly corrosive working environment.

The invention relates to preparation of an anthraquinonyl Schiff base derivative and application of the anthraquinonyl Schiff base derivative in Co < 2 + > and crystal violet detection. The preparation method and the application of the anthraquinone-based Schiff base derivative comprise the following steps: S1, mixing 1, 4-dihydroxy anthraquinone and sodium hydrosulfite, adding the mixture into a mixed solvent of dioxane and water, and reacting to obtain 2, 3-dihydro-9, 10-dihydroxy-1, 4-anthracenedione. S2, dispersing the 2, 3-dihydro-9, 10-dihydroxy-1, 4-anthracenedione in a mixed solution of ethylenediamine and methanol, and carrying out a reaction so as to obtain 1, 4-bis ((2-aminoethyl) amino) anthracene-9, 10-dione; s3, dispersing the 1, 4-bis ((2-aminoethyl) amino) anthracene-9, 10-diketone, salicylaldehyde and derivatives thereof in ethanol, and carrying out a reaction to obtain an anthraquinonyl Schiff base derivative; the series of probes can be used as colorimetric probes under an alkaline condition to realize naked eye detection of Co < 2 + >, and have relatively high sensitivity and relatively good selectivity; the probe can be used as a fluorescent probe under an acidic condition to realize rapid and accurate detection of crystal violet, and has the advantages of wide sources of synthetic raw materials and low cost.

This invention discloses a high-efficiency dehydration device for dihydroxyanthraquinone, comprising a reaction vessel, a control box fixedly mounted on one side of the reaction vessel, a motor fixedly mounted on the top of the reaction vessel, a stirring rod fixedly mounted at the output end of the motor, and an addition mechanism for convenient quantitative addition of materials at the top of the reaction vessel. The addition mechanism includes a storage component, an electronic scale, a support plate, a collection box, an injection pipe, and a first solenoid valve. In use, the storage component pours dry-based sulfonic acid resin into the collection box, while the electronic scale weighs the resin until the desired weight is reached. At this point, the first solenoid valve opens, allowing the dry-based sulfonic acid resin in the collection box to be injected into the reaction vessel through the injection pipe. This utilizes the dry-based sulfonic acid resin to absorb moisture, thereby reducing the amount of sulfuric acid used and further reducing the amount of acidic wastewater, thus saving resources. Simultaneously, the electronic scale allows for convenient control of the amount of dry-based sulfonic acid resin added.

The invention provides a condensation reaction device for synthesis of 1, 4-dihydroxy anthraquinone. Relates to the technical field of compound production. A condensation reaction device for synthesis of 1, 4-dihydroxy anthraquinone comprises a condensation kettle body and a kettle cover fixedly installed at the top of the condensation kettle body through bolts, a feeding pipe is fixedly installed at the top of the kettle cover, an electric control material valve is arranged on the feeding pipe, a separation sleeve is fixedly arranged on the condensation kettle body in a sleeving mode, and the separation sleeve is fixedly connected with the kettle cover through bolts. The condensation kettle body is fixedly sleeved with a heat conduction coil pipe, the heat conduction coil pipe is located in the separation sleeve, a liquid inlet pipe is fixedly installed at the top end of the heat conduction coil pipe, a liquid outlet pipe is fixedly installed at the bottom end of the heat conduction coil pipe, the liquid inlet pipe and the liquid outlet pipe both penetrate through the separation sleeve, and a supporting back plate is arranged on one side of the condensation kettle body. And a staged heating mechanism is arranged on the supporting back plate. The invention has two independent heating systems, and has the advantages of fast temperature change and durability.

The invention belongs to the technical field of chemical dye production, and particularly discloses a process for producing solvent blue 104 by a solvent method, which comprises the following steps: adding N-methyl pyrrolidone as a solvent into a condensation reaction kettle, sequentially adding p-tritoluidine, 1, 4-dihydroxy anthraquinone, a 1, 4-dihydroxy anthraquinone leuco body, boric acid and salicylic acid, closing the kettle, heating, keeping the temperature, and cooling to room temperature to obtain the solvent blue 104. And transferring to an oxidation kettle after a side end point, adding potassium hydroxide in batches, introducing air for reaction, cooling, filtering, washing and drying to obtain a finished product, collecting, filtering and washing liquid, and recovering the N-methyl pyrrolidone solvent for reuse. According to the method, N-methyl pyrrolidone used in the production process of the solvent blue 104 is recycled, so that waste of production resources is avoided, pollutants generated by a solvent in wastewater are reduced, and the production cost is reduced.

The utility model belongs to the technical field of production of chemical intermediates, and particularly discloses a system for recovering phthalic anhydride from 1, 4-dihydroxy anthraquinone production mother liquor, which comprises a flocculent precipitation system, a hot melting neutralization system and a crystallization separation system, the flocculation precipitation system comprises a mother liquor cooling kettle and a first filter press, the hot dissolution neutralization system comprises a hot dissolution kettle and a second filter press, the crystallization separation system comprises a crystallization kettle, a centrifugal machine and a drying machine, the input end of the crystallization kettle is communicated with a sulfuric acid feeding tank, the output end of the crystallization kettle is communicated with the centrifugal machine, and the material output end of the centrifugal machine is communicated with the input end of the drying machine. The output end of the dryer communicates with a finished product collecting tank; the filter cake output end of the first filter press is communicated with the input end of the hot dissolving kettle, and the filtrate output end of the second filter press is communicated with the input end of the crystallization kettle. According to the device disclosed by the utility model, the phthalic anhydride is recycled after decoloring and flocculating, neutralizing and dissolving, crystallizing and separating the phthalic anhydride, centrifuging and drying in sequence, so that the phthalic anhydride in the mother liquor is prevented from being wasted.