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171 results about "Anthracene" patented technology

Anthracene is a solid polycyclic aromatic hydrocarbon (PAH) of formula C₁₄H₁₀, consisting of three fused benzene rings. It is a component of coal tar. Anthracene is used in the production of the red dye alizarin and other dyes. Anthracene is colorless but exhibits a blue (400–500 nm peak) fluorescence under ultraviolet radiation.

Dual-band dianthracene photocatalyst as well as preparation method and application thereof

The invention discloses a dual-band dianthracene photocatalyst as well as a preparation method and application thereof, and belongs to the field of heterocyclic compounds. The novel 2, 9 '-dianthracene photocatalyst is designed and synthesized, the compatibility at the two wavebands of 365 nm and 405 nm is good, the tetrahydroisoquinoline phosphoramidite can be induced by light, and a new thought is provided for preparing an alpha-phosphoramidate compound; the reaction conditions are mild, the reaction time is short, the photocatalyst can be recycled, the circulation loss is low, the circulation efficiency is high, the production efficiency is greatly improved, and the production period and cost are reduced; the product is free of transition metal residues and high in yield.
Owner:JIANGXI WUJIANG HIGH TECH MATERIAL CO LTD

Method for determining anthracene and phenanthrene oxides and polycyclic aromatic hydrocarbon pollutants in tea leaves

The invention discloses a method for determining anthracene and phenanthrene oxides and polycyclic aromatic hydrocarbon pollutants in tea leaves, and belongs to the technical field of tea leaf component determination, by using the method, whether a tea leaf sample contains anthraquinone, phenanthrenequinone, multiple polycyclic aromatic hydrocarbons and other pollutants can be accurately determined at the same time, and quantitative analysis can be performed. The method has the characteristics of high detection efficiency, accurate analysis result and good repeatability; comprising the following steps: S1, respectively taking reference substances to prepare reference substance stock solutions with different numbers, taking a blank tea reference substance, and carrying out extraction, magnetic separation, extraction and elution to obtain a blank matrix extracting solution; s2, taking each reference substance stock solution, respectively preparing reference substance solutions with different numbers by using a blank matrix extracting solution, and sequentially putting the reference substance solutions into a gas chromatograph-tandem time-of-flight mass spectrometer for determination to obtain spectrum information of each reference substance; and S3, collecting data information of each reference substance from the map information of each reference substance, and then establishing a comparison database.
Owner:WUZHOU INST FOR FOOD & DRUG CONTROL

Pyrrolobenzodiazepine-anthracene imide hybrids, methods of making and uses thereof

The application discloses a pyrrolobenzodiazepine-anthracene imide hybrid molecule and a preparation method and application thereof, and belongs to the technical field of chemical medicines. In order to solve the problems of few kinds of warheads of an existing antibody drug conjugate, single action mechanism and drug resistance easily generated in long-term use, a pyrrolobenzodiazepine-anthracene imide hybrid molecule shown in formula I and a preparation method and application thereof are provided. Experimental results show that the compound has strong anti-proliferation activity in various tumor cells such as ovarian cancer cells, gastric cancer cells and breast cancer cells, and an antibody drug conjugate thereof has good in-vivo and in-vitro anti-tumor activity and good safety.
Owner:SICHUAN UNIV

Near-infrared luminous ruthenium (II) complex, preparation method thereof and application of complex as DNA intercalator

The invention relates to the technical field of DNA intercalating agents, in particular to a near-infrared luminous ruthenium (II) complex, a preparation method thereof and application of the complex as a DNA intercalating agent. The preparation method comprises the following steps: firstly, preparing a precursor 4 '-(1H-benzimidazole-2-yl)-2, 2': 6 ', 2' '-terpyridyl; then, preparing a target precursor, namely, 2-(4-(anthracene-10-yl)-6-(pyrazine-2-yl) pyridine-2-yl) pyrazine as a ligand; and finally, synthesizing a complex [Ru (An-di (2-Pz) Py) (Bitpy)]. The complex is inserted into a DNA base pair as an intercalating agent, has very strong interaction with DNA, and provides basic research for researching the interaction mode of the ruthenium (II) polypyridine complex of the tridentate ligand and DNA and taking the ruthenium (II) polypyridine complex as a diagnosis and treatment reagent.
Owner:GUANGXI NORMAL UNIV FOR NATITIES

Method for preparing methacrylic acid-9-anthracene methyl ester based on microchannel technology

The invention relates to the technical field of photoresist preparation, in particular to a method for preparing methacrylic acid-9-anthracene methyl ester based on a microchannel technology. The method comprises the following steps: S1, respectively dissolving 9-anthracene methanol, an alkaline substance and a polymerization inhibitor in a solvent, and mixing to obtain a first solution; s2, dissolving methacryloyl chloride in a solvent to obtain a second solution; s3, performing acylation reaction on the first solution and the second solution in a micro-channel reactor to obtain a methyl propionate compound; wherein the amount of substance n1 of the 9-anthracene carbinol and the amount of substance n2 of the methacryloyl chloride meet the following condition: n1: n2 = 1: (1.0-1.5). According to the method, micro-channel enhanced mass and heat transfer is taken as a core design, and the yield and the production rate of methacrylic acid-9-anthracene methyl ester are synchronously improved through a multi-factor collaborative design of controlling the excessive ratio of raw materials, neutralizing by-products by alkaline substances and inhibiting polymerization by a polymerization inhibitor.
Owner:CHENG DU DONG KAI XIN BAN DAO TI CAI LIAO YOU XIAN GONG SI +2

A procatalyst for the preparation of poly(4-methyl-1-pentene) and use thereof

The application provides a kind of main catalyst for preparing poly (4-methyl-1-pentene) and its application.The main catalyst for preparing poly (4-methyl-1-pentene) of the application has the structure shown in formula I, in formula I, R1 is selected from hydrogen or phenyl, when R1 is selected from phenyl, R1 is fused with the benzene ring in formula I to form anthracene ring;R2 is selected from methyl or isopropyl.The main catalyst of the application is applied in catalytic system for catalyzing the homopolymerization reaction of 4-methyl-1-pentene, the catalyst shows high catalytic activity, and the poly (4-methyl-1-pentene) prepared has high molecular weight, narrow molecular weight distribution and high stereoregularity, and has broad market application prospect.
Owner:PETROCHINA CO LTD

Peripheral trifluoromethyl functionalized polybenzyl ether dendrimer gelator and preparation method and application thereof

The application relates to the field of supramolecular chemistry, and discloses a peripheral trifluoromethyl functionalized polybenzyl ether dendrimer gelator, a preparation method and application thereof. The peripheral trifluoromethyl functionalized polybenzyl ether dendrimer gelator is shown in the following formula, can form stable supramolecular organic gels or supramolecular self-assembly systems in various organic solvents or mixed solvents through the synergistic effect of multiple pi-pi interactions between peripheral aromatic rings and F...H weak hydrogen bonds, has a minimum gelation concentration CGC of 3.2 mg / mL, and is easy to be functionally modified, for example, a gel with an aggregation-induced emission performance is prepared by introducing 1-pyrene or 9-anthracene functional groups. The preparation method of the gelator is efficient, high-yield and high-purity.
Owner:CHANGZHOU UNIV

Photosensitive resin composition containing anthrylmethyl quaternary ammonium salt photosensitizer and use thereof

The application provides a photosensitive resin composition containing an anthracene methyl quaternary ammonium salt photosensitizer and application thereof, the photosensitizer has a quaternary ammonium group substituted methylene introduced at 10 and / or 9 positions of the anthracene ring, and an acid radical or halogen is used as a counter anion; compared with a commercially available anthracene photosensitizer, the photosensitizer has excellent fat solubility and good water solubility by introducing the quaternary ammonium salt on the premise of retaining photobleaching, brings great potential for formula design of the photosensitive composition, and can greatly reduce developing waste in a later developing process; and can be widely applied in the fields of dry films, paints, coatings, inks and molding materials and the like.
Owner:HUNAN INITIAL NEW MATERIALS CO LTD

Two-component synergistic flame-retardant modified toughened epoxy adhesive and preparation method thereof

A two-component synergistic flame-retardant modified toughening epoxy adhesive and its preparation method are disclosed. The adhesive is divided into component A and component B, which are stored separately. When used, component A and component B are mixed at a mass ratio of 100:80-150 and cured by heating. By mass, component A comprises: a base epoxy resin, a biphenyl-type phenolic epoxy resin, and surface-modified silica. By mass, component B comprises: an anhydride curing agent, surface-modified silica, and anthracene methyl quaternary ammonium salt additive. The introduced biphenyl structure possesses both flame-retardant and char-forming properties; the anthracene methyl quaternary ammonium salt additive can catalyze char formation and release non-flammable gases during combustion. The synergistic effect of these two components significantly improves flame-retardant performance, meeting the high flame-retardant requirements of motor packaging; the rigid structure of the biphenyl-type phenolic epoxy resin can disperse stress under external forces, achieving toughening.
Owner:HUNAN INITIAL NEW MATERIALS CO LTD

Cyclic bisazo initiator for preparing EVOH as well as preparation method and application of cyclic bisazo initiator

The invention relates to a cyclic bisazo initiator for preparing EVOH as well as a preparation method and application of the cyclic bisazo initiator, the initiator is a cyclic bisazo compound, an aromatic ring is used as an intermediate structure of the compound, tetrahydropyridazine is coupled to an adjacent position of the aromatic ring, and the aromatic ring is selected from any one of naphthalene, anthracene, pyrene and perylene. Compared with the prior art, the initiator provided by the invention has a ring rigid structure and two azo groups, can be rapidly initiated to generate free radicals with a certain concentration, is high in polymerization efficiency, and effectively improves the performance of an EVOH product.
Owner:PARK SENJING NEW ENERGY MATERIALS (SHANGHAI) CO LTD

Decrystallized anthracene oil production system

The utility model belongs to the technical field of deep processing of coal tar, and particularly relates to a decrystallized anthracene oil production system which comprises a main decrystallized anthracene oil tank, and a main feeding pipe, a main discharging pipe and a main discharging pump which are arranged on the main decrystallized anthracene oil tank, the auxiliary feeding pipe, the auxiliary discharging pipe and the auxiliary discharging pump are arranged on the auxiliary anthracene removal tank; and the mixing tank is connected with outlets of the main feeding pipe and the auxiliary discharging pipe. Cooling, crystallizing and centrifugally separating anthracene oil extracted from the bottom of the tar rectifying tower to obtain decrystallized anthracene oil and crude anthracene; and removing anthracene, phenanthrene, carbazole and the like in the crude anthracene through subsequent refining to obtain heteroanthracene-removed oil. Generally, the viscosity of impurity-removed anthracene oil is large, the viscosity of de-crystallized anthracene oil is small, the impurity-removed anthracene oil and the de-crystallized anthracene oil are conveyed into a mixing tank through a main discharging pipe and an auxiliary discharging pipe respectively and mixed in the mixing tank, and the feeding amount of the impurity-removed anthracene oil and the feeding amount of the de-crystallized anthracene oil are adjusted by adjusting the flow of a main discharging pump and the flow of an auxiliary discharging pump, so that the viscosity of mixed liquid (mixed anthracene oil) in the mixing tank is adjusted; therefore, the viscosity requirements for different purposes can be met.
Owner:NINGXIA XITAI COAL CHEM CO LTD

Tar distillation process for customized production

PendingCN121379639ATar working-up by distillationCarbolineumIndustrial engineering
The invention discloses a tar distillation process for customized production. A device for the tar distillation process comprises a raw material tar tank, a dehydrating tower, a heating furnace, a main tower, an extraction valve, an extraction pipeline, a purging valve, a purging pipeline, a dephenolization oil tank, a naphthalene oil tank, an oil washing tank, an anthracene oil tank, a carbon black oil tank, an oil distribution tank and a configuration pipeline. The tar distillation process comprises the following steps: carrying out production adjustment by controlling start-stop combination of side-line naphthalene oil, washing oil and anthracene oil extraction, and customizing oil products by configuring pipelines. In the normal production period of the side line of the tar distillation process, flexible adjustment of extraction and extraction stopping aiming at a single component can be realized, and meanwhile, final products of other extracted components are not influenced; according to the requirements of markets or customers, oil is debugged and distributed in proportion, customized production of various oil products is flexibly achieved, and benefit maximization is achieved on the premise that the quality is met.
Owner:BAOSTEEL CHEM ZHANJIANG CO LTD

Anthracene methyl thiosulfonate for photosensitive resin composition, photosensitive resin composition, photosensitive dry film and application

The invention provides anthracene methyl thiosulfonate for a photosensitive resin composition, and relates to the field of photopolymerization. The invention also comprises a photosensitive resin composition containing the anthracene methyl thiosulfonate, a photosensitive dry film containing the anthracene methyl thiosulfonate, and applications of the photosensitive resin composition and the photosensitive dry film. The anthracene methyl thiosulfonate provided by the invention has photosensitivity, can be used as a photosensitizer in a photosensitive resin composition, can improve the adhesive force of the photosensitive resin composition on various metal surfaces, has the characteristic of low migration, has good compatibility with monomers and solvents, and can be widely applied to the photocuring fields of dry films, paints, coatings, inks, molding materials and the like; and the photobleaching agent has extremely high photobleaching efficiency and is particularly suitable for being used in a formula of an ultra-thick film.
Owner:HUNAN INITIAL NEW MATERIALS CO LTD

Host compound, organic electroluminescent material containing double hosts and organic electroluminescent device

According to the host compound, the organic electroluminescent material containing double hosts and the organic electroluminescent device provided by the invention, the first host compound with a specific structure and the second host compound with a specific structure are compounded, and triazine and anthracene in the first host compound are matched; a donor-acceptor structure in a molecule is formed, HOMO and LUMO energy levels of the molecule can be effectively adjusted, two phenyl groups are introduced to an anthracene ring, steric hindrance can be increased, plane stacking can be prevented, the glass-transition temperature can be increased, the service life of a device can be prolonged, meanwhile, a second main body with triarylamine is matched, and the photoelectric conversion efficiency can be improved. By using the double-main-body material, triplet excitons can be dispersed on two main bodies, triplet-triplet annihilation (TTA) can be reduced, the driving voltage can be effectively reduced when the double-main-body material is applied to the organic electroluminescent device, meanwhile, the luminous efficiency of the device can be improved, and the service life of the device can be prolonged.
Owner:JILIN OPTICAL & ELECTRONICS MATERIALS CO LTD

Anthracene oil processing automation control method and system based on machine learning

The invention discloses an anthracene oil processing automatic control method and system based on machine learning, and the method comprises the steps: building a DRL deep reinforcement learning model, taking a process quality index and an energy consumption target as award functions, dynamically adjusting the distillation temperature gradient, the extraction agent ratio and the reaction time, obtaining an initial control instruction, and carrying out the automatic control of the anthracene oil processing. Performing real-time control based on the initial control instruction, collecting multi-modal data from a production device, preprocessing the multi-modal data, performing noise reduction processing by using wavelet transform, performing feature fusion on the data by using a CNN convolutional neural network and RNN recurrent neural network combined architecture, and extracting process state implicit features; inputting the process state implicit features into a model to predict product characteristics and potential risks at the next moment; and feeding back the product characteristics and the potential risk to the DRL deep reinforcement learning model, and producing a target control instruction. The automatic control efficiency can be improved.
Owner:GUIZHOU ZHILIE TECH CO LTD

Organic electroluminescent devices and their applications in display or lighting devices, light-emitting layer materials

This application discloses an organic electroluminescent device and its application in display or lighting devices, as well as a light-emitting layer material, relating to the field of organic electroluminescent devices. The organic electroluminescent device includes: a first electrode; a second electrode disposed opposite to the first electrode; and a light-emitting layer located between the first electrode and the second electrode. The light-emitting layer comprises a host material, and the host material comprises different deuterated derivatives of the compound shown in Formula 1. In Formula 1, Ar1 is phenyl, Ar2 is phenylene, and Ar3 is selected from hydrogen or phenyl. This application can significantly improve the device lifetime by controlling the average deuteration rate of deuteratizable hydrogens of Ar1 and anthracene group, and Ar2 / Ar3 and carbazole group in the compound of Formula 1 to a specific range.
Owner:SHANGHAI QUADRISTAR ELECTRONIC TECH CO LTD

An anthracene-based fluorescent material, its preparation method and application

This invention provides an anthracene-based fluorescent material, its preparation method, and its applications. The anthracene-based fluorescent material is as shown in Compound I. The compounds of this invention utilize the electron-donating effect of aromatic amine units such as carbazole and the electron-withdrawing effect of phosphonyl / sulfonyl groups, effectively improving the electron and hole transport capabilities of the molecules. Furthermore, the steric hindrance effect, resulting in a distorted molecular configuration, can suppress intermolecular interactions, thereby reducing the device efficiency roll-off caused by concentration quenching. The thermal exciton mechanism enables these molecules to achieve an exciton utilization rate exceeding that of traditional fluorescent molecules by 25%.
Owner:THE HONG KONG POLYTECHNIC UNIV SHENZHEN RES INST

Deuterated compounds for electronic applications

ActiveUSRE50942E1ArylAnthracene
This invention relates to deuterated aryl-anthracene compounds that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.
Owner:LG CHEM LTD

A method for the preparation of modified anthracene oil for carbon black production

ActiveCN121571084BPigmenting treatmentLiquid-gas reaction as foam/aerosol/bubblesAnthraceneUltrasonic emulsification
This application provides a method for preparing modified anthracene oil for carbon black production, comprising the following steps: Step S1: Introducing ozone into the anthracene oil for ultrasonic emulsification to obtain an emulsion mixture, wherein: ultrasonic frequency: 20–40 kHz; ultrasonic power density: 0.5–0.8 W / cm³ 2 Ultrasonic working time: 1–1.5 h; bubble residence time: 10–15 s; bubble diameter: 50–100 μm; O3 / anthracene oil gas-liquid volume ratio: 0.1–0.3:1; Step S2: The emulsified mixture is alternately subjected to mechanical stirring and ultrasonic emulsification, wherein: ultrasonic frequency: 40–70 kHz; ultrasonic power density: 0.8–1.2 W / cm³ 2 O3 / anthracene oil gas-liquid volume ratio: 0.3–0.5:1; bubble diameter: <30 μm; total working time for mechanical stirring and ultrasonic emulsification: 1.5–2 h. Step S3: Dehydration to obtain modified anthracene oil. The modified anthracene oil obtained in this application has good compositional uniformity, is not prone to stratification, and has few by-products, thus meeting the requirements for raw materials in the production of high-quality carbon black.
Owner:NINGXIA XITAI COAL CHEM CO LTD

Organic electroluminescent element, display device, lighting device, and anthracene-based compound

ActiveCN113178538BImprove external quantum efficiencyOrganic chemistry methodsGroup 3/13 element organic compoundsAnthraceneDopant
This invention relates to an organic electroluminescent element, a display device, a lighting device, and an anthracene compound, comprising a pair of electrodes and a light-emitting layer, wherein the pair of electrodes includes an anode and a cathode, the light-emitting layer is disposed between the pair of electrodes, and the light-emitting layer comprises an anthracene compound represented by the following formula (1) as the host material, and a polycyclic aromatic compound or polymer thereof represented by the following formula (2) as the dopant material (in formula (1), Ar...). c For aryl, etc., R c For hydrogen, etc., Ar 11 ~Ar 18 Any two of them are aryl, etc., and the others are hydrogen, etc., at least one hydrogen in formula (1) can be substituted by deuterium, etc., in formula (2), ring A, ring B and ring C are substituted aryl rings, etc., X 1 and X 2 For example, >O, >N-R (R is aryl, etc.).
Owner:KWANSEI GAKUIN EDUCTIONAL FOUND +1

Organic compounds and use thereof, organic electroluminescence device

PendingCN122301821AStructural formulaTert butyl
This application discloses an organic compound and its uses, as well as an organic electroluminescent device, relating to the field of organic electroluminescent materials technology. The organic compound has the structural formula shown in formula (I): L1 and L2 are each independently selected from single bonds, substituted or unsubstituted C6-C30 aryl groups, substituted or unsubstituted C5-C30 heteroaryl groups, and do not contain triazine or its derivatives, carbazole or its derivatives, or anthracene or its derivatives; Ar1 ​​and Ar2 are each independently selected from substituted or unsubstituted C6-C30 aryl groups, substituted or unsubstituted C5-C30 heteroaryl groups, or formed into a ring with adjacent atoms; R1 and R2 are each independently selected from substituted or unsubstituted methyl groups, substituted or unsubstituted tert-butyl groups, substituted or unsubstituted cyclopentyl groups, substituted or unsubstituted hexyl groups, or substituted or unsubstituted adamantyl groups, and the substituent is deuterium when substituted; the hydrogen in the organic compound can optionally be replaced with deuterium. This organic compound can significantly improve the performance of organic electroluminescent devices.
Owner:SHANGHAI QUADRISTAR ELECTRONIC TECH CO LTD

A fluorinated phenylanthracene-containing polyimide and a method for preparing the same

This invention discloses a fluorinated polyimide containing phenyl anthracene and its preparation method, belonging to the field of polymer materials technology. The fluorinated polyimide containing phenyl anthracene has the following molecular structure: by introducing asymmetric phenyl anthracene structural units with trifluoromethyl side groups, flexible ether bonds, and twisted non-coplanar structures into the polymer backbone, this polyimide possesses excellent comprehensive properties, such as superior solubility, heat resistance, optical properties, mechanical properties, crystallinity, dielectric properties, and hydrophobicity.
Owner:FUJIAN JUYUXIN NEW MATERIAL TECH CO LTD

An anthracene compound containing a diphenylbenzo-fused five-membered heterocyclic substituent and an organic electroluminescent device

The application provides an anthracene compound containing a diphenyl pentaheterocyclic substituent and an organic electroluminescent device. The anthracene compound containing the diphenyl pentaheterocyclic substituent has a structure of formula I. The anthracene compound containing the diphenyl pentaheterocyclic substituent provided by the application can be used as a main body material of an OLED light-emitting layer, so that the OLED light-emitting device has a lower driving voltage, a higher current efficiency and a longer service life.
Owner:FUYANG SINEVA MATERIAL TECHNOLOGY CO LTD

Method and apparatus for separating and recovering anthracene alkylation catalyst

This invention relates to the field of alkyl anthracene production technology, specifically to a method and apparatus for separating and recovering anthracene alkylation catalyst. The method includes: sequentially extracting, electrodialyzing, and vacuum distilling a mixture of acidic oil containing the anthracene alkylation catalyst to obtain a recovered anthracene alkylation catalyst with a purity ≥98 wt%; wherein the vacuum distillation includes vacuum distillation-I and vacuum distillation-II. This method employs extraction, electrodialysis, and vacuum distillation sequentially, and combines these techniques, resulting in high purity and high yield of the recovered anthracene alkylation catalyst.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Benzothiadiazole formic acid anthracene methyl ester for a photosensitive resin composition and use thereof

This invention provides anthracene methyl benzothiadiazole carboxylate for use in photosensitive resin compositions, relating to the field of photopolymerization. The invention also includes photosensitive resin compositions containing the aforementioned anthracene methyl benzothiadiazole carboxylate, photosensitive dry films containing the aforementioned anthracene methyl benzothiadiazole carboxylate, and their applications. The anthracene methyl benzothiadiazole carboxylate of this invention exhibits photosensitivity and can be used as a photosensitizer in photosensitive resin compositions. It has good compatibility with monomers and solvents, and can improve the adhesion of photosensitive resin compositions to various metal surfaces, exhibiting low migration characteristics. It can be widely used in photocuring fields such as dry films, paints, coatings, inks, and molding materials.
Owner:HUNAN INITIAL NEW MATERIALS CO LTD

System for recovering carbazole from carbazole mother liquor

The utility model relates to the technical field of carbazole recovery, and discloses a system for recovering carbazole from carbazole mother liquor, which is characterized in that an anthracene oil tank is connected with a feed port of a semi-crude anthracene crystallizer, a mother liquor outlet of the semi-crude anthracene crystallizer is connected with a mother liquor discharge pipe, the semi-crude anthracene crystallizer is connected with a semi-crude anthracene tank, and the semi-crude anthracene tank is connected with a feed port of a crude anthracene crystallizer through a pipeline with a pump; the crude anthracene crystallizer is connected with a crude anthracene tank, the crude anthracene tank is connected with a light component removal tower through a pipeline with a pump, a bottom outlet of the light component removal tower is connected with a middle feed port of a negative pressure distillation tower, a side line discharge port of the negative pressure distillation tower is connected with a top feed port of a carbazole fraction tank through a carbazole extraction pipe, and a bottom discharge port of the carbazole fraction tank is connected with a feed port of the carbazole crystallizer. A carbazole mother liquor outlet of the carbazole crystallizer is connected with a carbazole mother liquor buffer tank through a buffer tank liquid inlet pipe, and the carbazole mother liquor buffer tank is connected with the lower part of the negative pressure distillation tower through a distillation tower liquid inlet pipe.
Owner:山西豪仑科化工有限公司

Synthesis method of 9-bromoanthracene

The invention discloses a synthesis method of 9-bromoanthracene, and belongs to the technical field of organic synthesis. According to the method, anthracene is used as a raw material, inorganic bromine salt is used as a bromine source, hydrogen peroxide is used as an oxidizing agent, and 9-bromoanthracene is synthesized in a mixed solvent in a high-selectivity manner under the catalysis of composite Lewis acid; and purifying the crude product through stepped step-by-step recrystallization to obtain a high-purity product. Through the synergistic effect of the composite catalytic system and the mixed solvent, generation of a 9, 10-dibromoanthracene byproduct difficult to remove is inhibited from the source, and efficient separation of the product and key impurities can be realized without column chromatography in combination with a gradient cooling fractional crystallization process. The method is green and safe in process, simple to operate, low in cost and easy to industrialize, and the prepared 9-bromoanthracene can meet the application requirements of OLED photoelectric materials and other high-end fields.
Owner:GANSU VISINO NEW MATERIAL CO LTD

Anthracene-based compound, preparation method therefor and use thereof as solar thermal fuel

The present invention relates to the field of energy and chemical engineering, and provides an anthracene-based compound, a preparation method therefor, and a use thereof as a solar thermal fuel. The anthracene-based compound of the present invention can be converted into a dimer and store light energy as chemical energy under irradiation with 365 nm ultraviolet light, and under irradiation with 254 nm ultraviolet light, undergoes a photodepolymerization reaction and releases heat, that is, an anthracene-based solar thermal fuel can store or release photothermal energy by means of a reversible photodimerization / depolymerization reaction. In addition, the anthracene-based compound also has the unique advantage of light-controlled reversible solid-liquid phase change and can realize the simultaneous storage of photon energy and phase change energy. The anthracene-based compound has a storage energy density of about 65 kJ / mol and a storage half-life of up to 60 days. The anthracene-based compound and the preparation method therefor provided by the present invention provide a new strategy for light energy storage and utilization.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY

A deuterium-containing polymer, and a preparation method and application thereof

The application provides a deuterium-containing polymer and a preparation method and application thereof. The polymer is based on a polymer containing a deuterium element acceptor unit, that is, isotopes of hydrogen elements, namely deuterium atoms, are introduced into an electron acceptor unit benzene ring or anthracene ring, and a thiophene derivative is used as a terminal donor unit. The deuterium-containing polymer has good electrochromic performance, such as fast response time, good optical transmittance and good stability, and has a wide application in the preparation of electrochromic devices. The application further provides a preparation method and application of the deuterium-containing polymer.
Owner:WUYI UNIV