415 results about "Phenanthrene" patented technology

The invention relates to a method for preparing few-layer black scales by ultrasonically stripping a black scale. The method comprises the steps of uniformly mixing black scale powder and an intercalator in an organic solvent according to a given ratio to obtain a mixture, insulating the air, ultrasonically treating the mixture in water bath, and carrying out vacuum suction filtration and vacuum drying to obtain a few-layer black scale material. A series of compounds such as cetyl trimethyl ammonium bromide, phenanthrene and naphthalene are used as the intercalator to prepare the few-layer black scale. Compared with the prior art, the prepared few-layer black scale has advantages of few defects, few impurities, high quality and the like. Meanwhile, the process is simple to operate and low in cost, and the prepared few-layer black scale is expected to substitute the graphene material to be applied to the field of a photoelectric material.

The invention provides a phenanthrene and imidazole-coumarin double-fluorescent group ratio fluorescent molecular probe for iron ion detection and synthesis and use methods thereof, relates to fluorescent molecular probes and synthesis and application thereof and aims to solve the problem that an existing Fe<3+> fluorescent probe is prone to being interfered by pH, concentration and other metal ions. The fluorescent molecular probe is 4-methyl-7-hydroxide radical-8-[2-(1- phenyl group-1H-phenanthrene and [9, 10-d] imidazole-2-)benzene ammonia methylene]-2H-pyran-2-ketone. The phenanthrene and imidazole-coumarin double-fluorescent group ratio fluorescent molecular probe is formed by conducting condensation on 1-N-phenyl group-2-(2-aminophenyl)-1H-phenanthrene and [9, 10-d] imidazole and 4-methyl-7-hydroxide radical-8- formyl group coumarin, and the yield is 75-85%. The fluorescent molecular probe is dissolved in mixed liquid of N, N- dimethylformamide and an HEPES buffering solution, existence of iron ions is judged through the absorbance value or fluorescence intensity change before and after adding of test samples, and the fluorescent molecular probe can be used for detection of Fe<3+> pollution in water.

The invention provides preparation and application methods of a lignin-based flame retardant, and relates to a flame retardant. The flame retardant is prepared from the following raw materials: lignin, isocyanate, 9,10-dihydro-9-oxa-phenanthrene-10-oxide (DOPO). The preparation method specifically comprises the following steps: performing reaction on the lignin and the isocyanate at certain temperature; performing reaction with the DOPO at certain temperature; finally, drying the obtained product in a vacuum drying box, and smashing the product, thus obtaining the flame retardant. According to the flame retardant, hydroxyl on the lignin is reacted with the isocyanate; meanwhile, with a phosphate structure, the flame retardant has a good flame retarding effect; benzene ring structures contained in the lignin and the DOPO can enhance the mechanical property of the material. The invention further provides a preparation method of flame retarding polyurethane. The method comprises the steps of performing reaction on polyatomic alcohol and the isocyanate at certain temperature till the system is sticky, adding the phosphorus-containing lignin-based flame retardant and other auxiliaries, and performing thermal curing and molding. The obtained flame retarding polyurethane can be used as an adhesive, a coating, a foaming material, a terrace coating material and the like.

The invention discloses a malononitrile-substituted aryl anthracene-phenanthrene organic electroluminescent material and a preparation method and application thereof. The organic electroluminescent material uses malononitrile-substituted aryl anthracene-phenanthrene as a parent nucleus and a structural formula of the organic electroluminescent material is as shown in a formula (I). The malononitrile-substituted aryl anthracene-phenanthrene organic electroluminescent material provided by the invention is simple in preparation process; HOMO and LUMO energy level electron cloud can be effectivelyseparated; a singlet state and triplet state energy gap (delta EST) is small; triplet-state excitonic luminescence can be converted into singlet-state excitonic luminescence by RIST (Reverse InterSystem Traversing); the malononitrile-substituted aryl anthracene-phenanthrene organic electroluminescent material has the thermal activation delayed fluorescence property; when the malononitrile-substituted aryl anthracene-phenanthrene light-emitting material provided by the invention is applied to an OLED (Organic Light-Emitting Diode) light-emitting device, high device efficiency is obtained. (theformula (I) is shown in the specification).

The invention discloses a series organic electrophosphorescent material. A structural general formula of the electrophosphorescent material is shown as a formula I. The complex electrophosphorescent luminescent material takes 4,5-disubstituted phenanthrene and 4,5-disubstituted 9, 10-dihydrophenanthrene as a main body. Due to influence of electron donating group with 4,5-two large steric hindrance, fixing effect of phenanthrene and 9,10- dihydrophenanthrene hydrocarbon chain, the capture capability to exciton is greatly increased, phosphorescence life can be effectively shortened, the luminescence efficiency is increased, and the luminescent device performance is increased. The compound has excellent film forming ability and high luminescence efficiency.

An object is to provide a liquid crystal compound having high polymerization reactivity, a high conversion ratio and high solubility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared using the composition, and a liquid crystal display device having the composite. A solution is a polymerizable compound represented by formula (1).

In formula (1), P¹ and P² are identically group (P-1), (P-2) or (P-3), and in formula (P-1), M is hydrogen, fluorine, —CH₃ or —CF₃;

S¹ and S² are a single bond, alkylene having 1 to 6 carbons or the like; a1, a2 and b1 are 0, 1, 2, 3 or 4, and a sum of al and a2 is 4; ring A¹ is naphthalene, anthracene or phenanthrene; and ring A² is cyclohexyl, phenyl, naphthyl, anthracenyl or phenanthrenyl; and Z¹ is a single bond, —CO—, —COO— or the like.

The invention relates to a COFs (Covalent Organic Frameworks) material with high specific surface area, a preparation method and application thereof. The COFs material comprises covalent organic frameworks formed by Schiff-base condensation reaction of triformylphloroglucinol and melamine. The COFs material is controllable in pore diameter and is applicable to adsorption of dye and aromatic-hydrocarbon substances; the benzene ring structure on the COFs material and benzene rings of aromatic amine and aromatic-hydrocarbon compounds have strong Pi-Pi action; the COFs material realizes high-efficiency adsorption of methyl violet, naphthalene, anthracene and phenanthrene of cationic dyes.

The invention relates to a chemical enhanced phytoremediation method of polycyclic aromatic hydrocarbon-cadmium pollution soil, belonging to the field of soil pollution regulation; the method comprises the following steps: (A) the content of cadmium, polycyclic aromatic hydrocarbon, phenanthrene and pyrene in the soil is measured, and willow sowing is carried out; (B) chemical enhancer constitutedby ethyl lactate and ethylene diamine tetraacetic acid is added after the willow is sewed for four months. The willow is golden silk willow J1022, and the planting density of the willow is respectively 4-6 per square meter in the soil which has 5mg phenanthrene, 50mg pyrene and 6mg cadmium in one kilogram. The method avoids the disadvantages of short and small plant, slow growing speed, and low living weight at the upper part of the soil in the phytoremediation, reduces the environment risk of heavy metal cadmium in the plant extraction soil remediation; the adding of the chemical enhancer improves the remediation efficiency that an organic ligand is singly used as chelating solvent extraction agent to remediate the heavy metal, and the remediation effect of polycyclic aromatic hydrocarbon of organic pollutants in the soil is enhanced at the same time, and the remediation of cadmium and polycyclic aromatic hydrocarbon combined pollution in the soil is realized at the same time.

The present invention discloses a manufacture process for high quality carbazole and anthracene. The method is to wash the raw material once for removing a number of light constituent, phenanthrene, carbazole derivatives, a small quantity of anthracene and part of heavy constituent, and the loss of the carbazole is less. Afterwards, a vacuum rectification tower with siding withdrawing is adopted for withdrawing the carbazole from the siding at a proper height of the tower. The purity can reach 90 to 95 weight percent, and meanwhile a mixture with the overall purity of the anthracene and phenanthrene being up to more than 90 weight percent is obtained from the top of the tower. The two materials are respectively washed by a No.1 solvent and a No.2 solvent, and the trace impurities contained in the materials are removed. After centrifugalized, fine carbazole and fine anthracene products which are better than the first grade product (carbazole of more than 97 weight percent and fine anthracene of more than 95 weight percent) according to the national standard can be obtained. The solvent wash is operated at a normal temperature, the solvent can be withdrawn for periodic duty, is less in loss quantity, and does not pollute environment. Not only the large-scale successive industrial production of fine carbazole and fine anthracene can be realized easily, but also the process is economic in investment, low in energy dissipation and friendly in environment.

The invention discloses a preparation method and application of sodium alginate microspheres. After reeds are washed, dried in air and crushed, reed powder is placed in a 600 DEG C muffle furnace (the environment is full of N2) to be subjected to pyrolysis for 2 h, after being cooled, the reed power is sieved through a 100-mesh sieve, and reed biochar is obtained after the reed powder is subjected to chlorohydric acid pickling. Meanwhile, sodium alginate is dissolved in deionized water to be prepared into a 4% sodium alginate solution. A 20g/L reed biochar aqueous solution and the sodium alginate solution are evenly mixed according to the volume ratio of 1:1, a mixed solution is dropped into a CaCl2 solution through a peristaltic pump, and reed biochar-sodium alginate microsphere adsorption materials are made. The sodium alginate microspheres are environment-friendly materials and low in cost, the preparation method is simple and easy to implement, specifications are uniform, the sodium alginate microspheres have a good adsorption effect on pentachlorophenol (PCP) and phenanthrene (Phe) and are easy to recycle and high in acid and alkali resistance. The preparation method can be used for waste water treatment and can also be used as growing carriers of microorganisms, algae and the like.

The present invention relates to reagent for lithiation reaction. On the condition of room temperature and inert atmosphere, mix lithium, organic compound contained benzene ring and ethers compound, solve and obtain solution; wherein, lithium 0.01~10M/L, organic compound contained benzene ring 0.01~5M/L, other is solvent; the general form is R₁OR₂ or ethers compound with R₁OR₂OR₃; wherein, R₁, R₂, R₃ are alkyl of C₁í½C₅; organic compound contained benzene ring aforementioned comprises biphenyl or condensed-nuclei aromatics, optimization of biphenyl and its derivant, terphenyl, quaohenyl, naphthalin, anthracene, and phenanthrene. The lithiation reagent is easy for preparation, storage, cheap of cost and high activity; not only for common reaction, but also can be used to preprocess of electrode material to store lithium cell or prepare new inorganic compound contained lithium; has wide scope of usage.

The present invention provides a phenanthrene-containing compound and an organic light-emitting device thereof, and belongs to the technical field of organic photoelectric materials. The compound hasa structure represented by a formula (I); A moiety of the compound has an ability to easily accept holes; a bridging structure is introduced; on the one hand, the molecular weight of the compound canbe increased, so that the obtained material has a high glass transition temperature and can prevent crystallization; and on the other hand, the compound has a certain distortion in the spatial three-dimensional structure to improve film forming property. The other end introduces a class B structure that is easy to accept electrons at a specific position to increase transportability of carriers. Inaddition, the compound localizes the two parts and controls flow of a conjugated system, so that the compound has bipolarity; L also interrupts the interaction of the two parts, so that diffusion ofexcitons to adjacent other organic layers is minimized; and the compound is used as a main body material or a hole barrier layer material in a light-emitting layer to prepare the organic light-emitting device, presents advantages of low driving voltage and high light-emitting efficiency, and is the organic light-emitting material excellent in performance.

The invention relates to an earthworm strengthening repair method of soil polluted by phenanthrene, pyrene or pentachlorophenol, belonging to the treatment field of soil environment pollution and comprising the following steps: (A) measuring the content of the phenanthrene, pyrene or pentachlorophenol in soil at regular intervals; (B) adding earthworm or the earthworm and straw or the earthworm and a golden weeping willow. The earthworm is M.guillelmi geophagy earthworm, and is singly thrown mutually or thrown together with the golden weeping willow or thrown together with the straws. In the step B, 4-6 golden weeping willows are planted when the content of the phenanthrene, the pyrene and the pentachlorophenol is 5, 50 and 1mg/kg per square meter oil. The earthworm adopted by the invention can greatly improve the quality of cultivated soil and increase the agricultural reuse value of the soil while rapidly removing soil pollutants; the invention is harmonious with the natural ecologyprocess, and combines the earthworm repair with woody plants repair further so that organics are absorbed and utilized by the woody plant while the organics are metabolized.

The invention discloses a rosinyl quaternary ammonium salt dimeric surfactant as well as a preparation method and application thereof. The molecular structural formula of the rosinyl quaternary ammonium salt dimeric surfactant is as shown in the specification, wherein R is a rosinyl tricyclic phenanthrene structure, and n is equal to 3, 4, 5 or 6. The rosinyl quaternary ammonium salt dimeric surfactant which takes rosin as a raw material satisfies the demand of environment-friendly raw materials for preparation of the surfactant. The surfactant prepared by the invention has good surface activity and antibacterial activity. The CMC (Critical Micelle Concentration) value of the surfactant is (2.28-3.38)*10<-5>mol/L, the gamma cmc value is 24.7-32.3mN/m, and the Krafft point ranges from 12 to 23 DEG C. The time of separating turpentine and water in an aqueous emulsion is 42-53 hours. The initial foaming height is 128-137mm. The foam height in 5 minutes is 121-131mm. The antibacterial activity of the surfactant to escherichia coli is superior to that of the marketed bacteriostatic agent bromogeramine.

The invention discloses a contaminated soil phenanthrene and an application thereof in contained soil restoration. A bacterial strain with a contaminated soil restoration function is obtained by screening the strain in kelamayi oilfield oil-contaminated soil sample; the bacteria y-8 is determined as pseudomonasgeniculata CGMCC (China General Microbiological Culture Collection Center) No.6763 by further screening, domesticating and breeding, and carrying out morphological characteristic, 16SrRNA sequence determination and phylogenetic analysis to the obtained bacterial strain; according to the measured degradation property of the phenanthrene and the intensive study of the action of the phenanthrene in contaminated soil restoration, the contaminated soil phenanthrene has an outstanding technical effect in the contaminated soil restoration.

The invention relates to specific phenanthrenes, the use of the compound in an electronic device, and an electronic device containing at least one of said compounds. The invention further relates to a method for producing the compound and a formulation and composition containing one or more of the compounds.

The invention provides a biological carbon/graphene composite used for adsorbing organic/inorganic pollutant in a water body and a preparation method, and discloses the biological carbon/graphene composite easy and convenient to use and the preparation method. The biological carbon/graphene composite is used for adsorbing organic/inorganic pollutant in the water body. According to the technical scheme, biomass raw materials are directly processed through graphene suspension, anaerobic pyrolysis is conducted for 1 h under the condition of 600 DEG C in a tubular furnace after the mixture of the graphene suspension and the biomass raw materials is dried so that graphene can wrap the surfaces of biological carbon through pi-pi bonds, the biological carbon/graphene composite is endowed with a larger specific area and more functional groups through the outer layers of graphene, and therefore the removal effect of the biological carbon/graphene composite for phenanthrene and mercury (II) in water is remarkably improved. The biological carbon/graphene composite and the preparation method have the advantages that the process is simple, the effect is table, the application range is wide, the composite is friendly to the environment, and no secondary pollution is caused; the biological carbon/graphene composite and the preparation method have wide application prospects on the aspect of repairing organic/inorganic pollution in the water body.

The invention discloses single layer yellow light emanating organic light emitting device material and the preparation method thereof. The material is 2-[aryl-vinyl]-8-hydroxy quinolinemetal metal complex, and has the structural formula of formulas (1) or (2), wherein, R is 2-thiazolamin, 2-bromine-5-thiazole, 2-substitution-9 substitution-fluorene, 9-phenanthrene disreplaced or 2- phenyl -4, 5-diphenyl imidazole; M1 is Zn, Cu, Mg or Hg; M2 is Al. The preparation method comprises the preparation of ligand and the preparation of the metal complex; 2-methyl-8- hydroxyl quinoline and organic aroma aldehyde with equivalent molar weight are dissolved into acetic anhydride with molar weight of 10 to 30 times, the time of heating and back flow is 30 to 45 hours, and the 2--8- hydroxyl quinoline ligand is obtained by being purified; the material has long adjust and control luminescence wave, a plurality of photon absorption, good stability and quick response time, the manufacturing process is simple, the requirement to experimental equipment is low, and the mass production is convenient.

The invention discloses an effective degradation strain for phenanthrene Sphingobium sp. Phe-1 and application thereof. The bacterial strain is preserved at the China General Microbiological Culture Collection Center, the preservation number is CGMCC No.11239, and the preservation address is No.3, No.1 West Beichen Road, Chaoyang District, Beijing. The degradation strain Phe-1 has quite good degradation effect on the polycyclic aromatic hydrocarbon such as phenanthrene, and the degradation rate of 100 mg/L phenanthrene can reach 100% in 48 hours at the temperature of 35 DEG C and the pH of 7.0. The degradation strain is an effective degradation strain, and the degradation conditions are soft, the phenanthrene with the concentration less than 200 mg/L can be degraded at the temperature of 20-35 DEG C and the pH of 5-8. Moreover, the degradation strain has a wide applied range and good application prospect, is suitable for using as a restoration bacterial strain for contaminated land, and has a better degradation capability than the other degradation bacteria.

The invention relates to the technical field of electrochemical analysis and measurement, and in particular relates to a method for detecting the anthracene-phenanthrene resultant; according to the method, thionine is as a probe and is mixed with graphene to prepare an electrochemical modified electrode, and then the electrochemical modified electrode is used for quantitative detection of anthracene-phenanthrene resultant. The functional modified electrode in which a mesoporous material is modified by using the probe has the advantages that the material synthesis is simple and convenient, the modified electrode is relatively simple to prepare, the material is low in price, the electrode is easy to update, good in reproducibility and free of toxicity and does not cause environment pollution, and moreover by utilizing the detection method, the interference of coexisting substances is effectively reduced; and selectivity and sensation are high.

The invention discloses a phenanthrene quinoxaline fluorescent compound and a preparation method and an application thereof, and an electroluminescent device. The molecular structural formula of the phenanthrene quinoxaline fluorescent compound is represented in the drawing. The structural formula of Ar is as the following. According to the invention, with a phenanthrene quinoxaline special electron transmission property, the compound is connected with a blue light luminescent group with high quantum efficiency, such that a more twisted molecular structure is realized, and pi-pi stacking among molecules is reduced. Also, luminescent layer cavity and electron transmission speeds are balanced, and the luminescent efficiency of the device is further improved. Therefore, device stability can be improved, and the device is provided with excellent electroluminescent performance. A high-efficiency full-color display can be developed. The compound can be widely applied in OLED large-screen display and OLED white lighting with high brightness requirement.