61 results about "Aromaticity" patented technology

This invention relates to a method for ultra-high sensitivity and specific naked-eye detection of trace aromatic compounds. The method utilizes the long afterglow induced by the specific interaction between the analyte and a matrix as the output signal to achieve naked-eye detection of the analyte. The aromatic compounds are aromatic pollutants and aromatic organic metabolites. This invention utilizes the organic long afterglow induced by mixing the analyte G with the host molecule H through methods such as heating and melting, solvent evaporation and crystallization, matrix adsorption, and paper chromatography as a monitoring signal to achieve ultra-high sensitivity and specific naked-eye detection of trace aromatic compounds. The afterglow induced by the analyte G is highly dependent on the type and content of the analyte and matrix, which gives this detection method extremely high sensitivity and selectivity. The method is simple to operate, rapid, visible to the naked eye, requires inexpensive and readily available materials, and provides stable results.

The application belongs to the technical field of photoelectric materials, and relates to a star-shaped self-assembled hole transport layer material, a preparation method and application thereof. The star-shaped self-assembled hole transport layer material comprises a star-shaped organic compound with a structure shown in general formula (1). The star-shaped organic compound takes an aromatic three-site group as a core, adopts a star-shaped bridging unit, and connects three benzo carbazole phosphate units. The star-shaped organic compound as a hole transport layer material of a photoelectric functional device is beneficial to the improvement of device efficiency and stability, and provides a reliable foundation for the industrialization development of perovskite solar cells and organic solar cells.

The application discloses a synthesis method of aromatic aldehyde compounds or deuterated aromatic aldehyde compounds, which comprises the following steps: mixing a compound shown in formula I, a manganese catalyst, an alkaline substance, a nitrogen-containing ligand and a solvent, introducing CO, and reacting under heating to obtain the aromatic aldehyde compounds, wherein the manganese catalyst is a manganese (I) compound, a structural formula of the aromatic aldehyde compounds is shown in formula II: ring A is a five-membered or six-membered ring with aromaticity, a substituent R includes at least one of a hydrocarbon group, a halogen, a substituted hydrocarbon group, an alkoxy group, a carbonyl group, an ester group, a nitro group and a cyano group, or the substituent R and the ring A form a fused ring or a fused heterocycle, and X is a halogen. If the deuterated aromatic aldehyde compounds are prepared, a deuterium source reagent needs to be further added in the raw material. The manganese catalyst is used to prepare the aromatic aldehyde compounds, the catalyst is widely sourced, low in cost, simple in steps, strong in operability and easy to realize industrial large-scale production, and the method is good in universality and wide in application prospect.

The present invention relates to a compound of formula (I) or an acceptable salt thereof (I) JPEG2025535882000141.jpg29170 [wherein W, X, Y and Z each independently represent =CH- or -N=, provided that a maximum of two of W, X, Y and Z both represent -N= groups; R1 represents a linear or cyclic nitrogen-containing (C4-C8) alkyl group, said group being a non-aromatic (C4-C8) alkyl group which may be linear or cyclic and contains 4 to 8 carbon atoms, with at least one nitrogen atom interrupting the alkyl chain, said group being optionally interrupted by one or two oxygen atoms and optionally substituted by a (C1-C4) alkyl group or a (C3-C6) cycloalkyl group; R2 is a hydrogen atom, a halogen atom, R3 represents a hydrogen atom, a halogen atom, a (C1-C4) alkyl group, a (C1-C4) alkoxy group, a (C1-C4) fluoroalkyl group, a -CO-(C1-C4) alkyl group, a -CONH2 group, a SO2-NH2 group, or a cyano group; R3 represents a hydrogen atom, a halogen atom, a (C1-C4) alkyl group, a (C1-C4) alkoxy group, a (C1-C4) fluoroalkyl group, a cyano group, a (C1-C4) alkylsulfonyl group, or a SO2-NH2 group; and R4, R5, and R6 independently represent a hydrogen atom, a halogen atom, a -COOH group, a -COO(C1-C4) alkyl group, a (C1-C4) fluoroalkyl group, a (C1-C4) alkylsulfonyl group, or a (C1-C4) alkoxy group. The present invention further relates to pharmaceutical compositions containing the same, and to their use in the prevention and / or treatment of pain.

The invention discloses an optical monomer and a preparation method thereof, a resin mixture and application, the molecular structure of the optical monomer takes an aromatic skeleton or an aliphatic skeleton as a center and extends outwards to form a branched chain with a hexa-mercapto functional group, the aromatic skeleton has certain rigidity, the aliphatic skeleton has flexibility, and the molecular structure is uniform. Therefore, the optical monomer has ultrahigh refractive index, high light transmittance and good heat resistance.

This invention discloses a few-layer coal-based graphene and its preparation method. The preparation method includes the following steps: (1) grinding coal raw material and acid washing to obtain impurity-free coal raw material; (2) mixing the impurity-free coal raw material with a swelling agent and heating under reflux to swell it, to obtain a coal swelling product; (3) ultrasonically treating the coal swelling product to remove the solvent and obtain a coal dissociation product; (4) calcining the coal dissociation product to obtain coal-based graphene. This invention innovatively uses a physical exfoliation method to obtain a free coal-based aromatic conjugated sheet structure, utilizing the molecular structure advantages of coal itself, and directly calcining it without catalyst doping to significantly improve the aromaticity of the material itself, thus obtaining a few-layer coal-based graphene with an aromatic conjugated sheet structure.

The application discloses a kind of based on thermal hydrolysis-pyrolysis coupling process organic solid waste resource disposal method, the present application is to solve the bottleneck problem of low sludge organic matter conversion efficiency and poor quality of resource product under the stress of melanin-like by-product, propose pyrolysis treatment to thermal hydrolysis sludge solid phase product, to improve pyrolysis reaction activity, improve the pore structure of biochar, inhibit the strategy of melanin-like.By low temperature, high temperature treatment after thermal hydrolysis sludge derived carbon has larger hysteresis ring, and it is mesoporous structure, total surface area, total pore volume significantly increases, so as to promote the development process of biochar pore structure volatile matter pyrolysis reaction activity.In addition, biochar derived dissolved organic matter can be degraded component is split, forms aromatic component, increases the aromaticity of biochar.At the same time, humic acid component in melanin-like is effectively fixed by biochar, and finally eliminates the inhibitory effect of melanin-like.The present application provides an effective strategy for high-quality product recovery in organic solid waste thermal hydrolysis-pyrolysis practical engineering.

The present application belongs to the technical field of biomass charcoal material and environmental functional material, and particularly relates to a preparation method for regulating the release characteristics and environmental stability of biochar dissolved organic matter and application thereof. The method uses cotton stalk cortex biomass as raw material, prepares biochar through limited oxygen pyrolysis, and combines particle size crushing classification and repeated crushing treatment to regulate the exposure degree of the cavity structure and skeleton structure of the biochar, so as to realize the regulation of the release amount, molecular composition, aromaticity, photochemical property and oxidation stability of the biochar dissolved organic matter. The method is simple in process, wide in raw material source, can distinguish biochar dissolved organic matter from different structure sources, and provides technical support for the application of biochar in environmental remediation, pollutant migration regulation, carbon stability evaluation and safe application.

The invention relates to a preparation method of an organic non-aromatic circularly polarized luminescent material. A chiral high-molecular polymer polylysine is used as a template and is induced by an achiral quaternary ammonium salt CTAB micelle through a simple solvent evaporation self-assembly method so as to obtain the circularly polarized luminescent material with afterglow. The obtained film has a high asymmetric factor, a new thought is developed for preparing a novel circular polarization luminescent material, and the material also has a good application prospect in the application of anti-counterfeiting encryption and the like.

The invention relates to an aromatic polymer material, a preparation method thereof and application of the aromatic polymer material as a fluorescence sensor in active carbonyl compound detection, and belongs to the field of fluorescence sensing. The preparation method comprises the following steps: by taking squaric acid (SA) and 1, 3, 5-tri (4-aminophenyl) benzene (TAPB) as monomers, carrying out solvothermal condensation reaction in a water-phase solvent to prepare the aromatic polymer material SA-TAPB. The polymer material presents a regular microsphere morphology and has good fluorescence performance, the invention also discloses application of the material in the field of fluorescence sensing, especially detection of active carbonyl compounds, and the material has high specific recognition capability on active carbonyl compounds such as formaldehyde (FA), glyoxal (Gly), acrolein (MGO) and the like in various analytes, and has good application prospects. High-selectivity and high-sensitivity fluorescent sensing of the compounds can be realized, and the preparation method is simple, convenient and efficient and has extremely high practicability.

The invention discloses a polyurethane foam stabilizer and a preparation method thereof, and belongs to the technical field of polyurethane foam stabilizers, and the polyurethane foam stabilizer is polyether grafted polysiloxane generated by reaction of allyl polyether containing Diels-Alder bonds and low-hydrogen silicone oil under catalysis of a platinum catalyst. According to the allyl polyether containing the Diels-Alder bond, allyl-furfuryl glyceryl ether and polyfunctional maleimide are used as reaction monomers, and a Diels-Alder reaction is carried out, so that the allyl polyether containing the Diels-Alder bond and having a double bond is prepared. The introduced furan and aromatic components such as a benzene ring in a polyfunctional maleimide structure remarkably enhance the compatibility and affinity of the foam stabilizer and aromatic oil phase raw materials in a polyurethane flexible foam system. The molecules of the foam stabilizer can be more tightly and effectively directionally arranged on an oil-water interface and an oil-solid interface of a foaming system, so that a more excellent initial interface stabilizing effect is provided.

The invention provides electric breakdown resistant polypropylene and a preparation method thereof. The composition consists of isotatic polypropylene with conventional molecular weight, ultra-high molecular weight isotatic polypropylene with aromatic groups on side groups, and a heat stabilizer. The composition has the comprehensive advantages of high breakdown strength, low ash content, good processability, high mechanical strength and the like, the preparation process is simple, convenient and mild, degradation of polypropylene is not easily caused, and the electrical property stability of polypropylene is favorably kept.

The invention discloses a rubber-based composite regenerant as well as a preparation method and application thereof, and belongs to the technical field of asphalt regeneration. According to the invention, thymol is introduced, and secondary polymerization of active olefin in pyrolytic oil is inhibited by using a hindered phenol structure of thymol, so that the chemical stability of the regenerant is greatly improved. Thymol molecules remaining in the rubber-based composite regenerant continue to play an antioxidant role in the asphalt service period, peroxy radicals generated by photo-thermal aging are captured, secondary aging of a regenerated pavement is delayed, the service life of a road is prolonged, and the regenerated asphalt is endowed with an anti-aging function. A perfect amphiphilic balance is formed between an aliphatic chain derived from lauric acid and an aromatic ring structure generated by cracking pyrolysis of rubber, the structure can dissolve asphaltene due to aromaticity, and can be dispersed in oil due to fatty property, so that the low-temperature ductility and fatigue crack resistance of the regenerated asphalt are remarkably improved, and the service life of the regenerated asphalt is prolonged. And an excellent blending effect among the components is realized.

Provided are: a functional particle dispersion which has a high level of antibacterial effect, reducing performance, and aromatic performance, has long-lasting properties (slow release properties), does not adversely affect other compounding components and the like, and can be used for writing tools, and a water-based ink composition for writing tools, which contains the functional particle dispersion; in addition, the dispersion stability is excellent even in a compounding system which is susceptible to ion influence, and the functional particles have a large degree of freedom in design, and can be used in various applications. The functional particle dispersion of the present invention is characterized in that functional particles comprising at least a (meth) acrylate monomer represented by general formula (I), at least one specific antibacterial component, a reducing component, and at least one fragrance component of a fragrance are dispersed in water, and the Zeta potential measurement value of the surface of the functional particles is in the range of-15 to + 15 mV. [In formula (I), A is H or the like, and R is H, an alkyl group having 1-22 carbon atoms or the like].

The application provides an organic compound and an organic electroluminescent device containing the same, the organic compound has a structure as shown in formula I, by introducing a dibenzo five-membered ring fused unit at the meta position of aniline, the size of steric hindrance can be adjusted, the twist degree of the molecule can be effectively controlled, and the crystallinity of the molecule is reduced; meanwhile, an aromatic group is introduced at the ortho position, the packing density of the molecule can be effectively controlled, the LUMO and HOMO energy levels are optimized, the refractive performance of the molecule is improved, the diffusion of excitons to the hole layer is effectively blocked, and an organic electroluminescent material with a more optimal spatial structure and a better thin film stacking morphology is obtained. The organic compound is used in an organic electroluminescent device, as an electron blocking material, the driving voltage of the device can be reduced, the luminous efficiency is improved, and the comprehensive performance is significantly improved.

A fibrous insulation product, such as a fibrous insulation blanket or board product, includes a plurality of fibers that are entangled together and a crosslinked aromatic polymeric binder that bonds the plurality of fibers together. The fibrous insulation product includes between 80 and 99 weight percent of the fibers and between 1% by weight and 20% by weight of the crosslinked aromatic binder. The fibrous insulation product has a density of between 0.4 and 6.0 pounds per cubic foot (pcf) and an R-value of between 4 and 50. The crosslinked aromatic polymeric binder has an aromaticity of greater than 10%.

The application provides a kind of lignin-based PET nucleating agent and its production method and PET modification method, belongs to the technical field of organic chemistry.The application uses aromatic polymer lignin with complex structure as PET nucleating agent.The cross-linked phenolic polymer structure of lignin makes it not easy to rot, and its rigid structure also makes it have good thermal stability.These advantages are also the necessary conditions for lignin to be used as PET heterogeneous nucleating agent.The application also carries out carboxylation modification on lignin, introduces carboxylic ion clusters on the phenolic hydroxyl and alcoholic hydroxyl of lignin, these ion clusters can chemically induce nucleation of PET, so as to further improve the crystallization rate and crystallinity of PET.In figure 4, from left to right, they are pure PET, PET-G1 and PET-G2 injection molded models, it can be seen that under the same injection molding conditions, the white area of PET that has not crystallized formed by adding the application is significantly reduced, which significantly improves the crystallinity of PET.

The invention discloses an electroluminescent material containing biaryl groups and a synthesis method thereof. The biaryl group compound has a structure as shown in a formula 1. The synthesis method comprises the following steps: reacting a Grignard reagent B with a zinc complex in a solvent M, and then reacting with a halogenated aromatic compound and a palladium catalyst in the solvent M, the Grignard reagent B has a structure represented by formula 2, and the solvent M is an organic solvent. The biaromatic ring derivative synthesized by the method can obtain a high-yield final product through simple post-treatment, the post-treatment is simple, the cost is low, repeatability is realized, the biaromatic ring derivative is suitable for large-scale production and has very high practical value, and the compound utilizing the biaromatic group can be prepared into an electroluminescent material to be applied to an organic electroluminescent device.

The invention discloses polythionocarbamate resin and a preparation method and application thereof.The polythionocarbamate comprises a thioamide group, an aliphatic thioether group, an aromatic thioether group and an aromatic benzene ring skeleton, and further, the polythionocarbamate is prepared from benzyl dithiocyanate, an aromatic sulfhydryl compound, an aliphatic sulfhydryl compound and a solvent; the polythionocarbamate resin provided by the invention has good processability and high refractive index performance. The invention also provides an optical lens, an optical element and an optical device containing the polythionocarbamate resin.

The invention belongs to the technical field of biological medicine, and particularly relates to an NTD inhibitor and application thereof. The invention provides a novel NTD inhibitor, a bisphenol A structure of EPI-001 is replaced by utilizing reasonable drug design means such as skeleton transition, the aromaticity of a core skeleton of a compound is increased, and drug design is developed on the basis of the novel core skeleton. The compound prepared by the invention has proliferation inhibition activity on an enzalutamide drug-resistant cell line, has inhibition activity on transcription of a shear mutant AR-V7, and simultaneously shows a good in-vivo half-life period and certain oral bioavailability.

The invention relates to the field of anion exchange polymer membrane preparation, and discloses an alkali-resistant and high-temperature-resistant anion exchange polymer easy to prepare and a preparation method thereof.The preparation method comprises the steps that a non-aromatic precursor polymer with a latent functional group is constructed, and the non-aromatic precursor polymer is prepared into a gradient porous membrane through a phase inversion technology; in the unified treatment step, aromatization of the main chain of the precursor and activation of the functional group are synchronously realized, so that the porous structure is chemically fixed; according to the method, the construction of a high-performance main chain and the introduction of a high-activity functional group are thoroughly separated in time sequence, so that the problem of associated degradation in a traditional synthesis path is avoided, and the final structural defect removal step is combined; and the finally obtained polymer film has relatively high structural integrity and chemical purity on the molecular scale.

A polymer resin and a preparation method therefor, an optical lens, and smart glasses, relating to the technical field of resin materials. The polymer resin comprises a thioamide group, a thioether group, and an aromatic group, and is prepared from the following raw materials: a thiocyanate, a thiol compound, an organic base catalyst, and a solvent.

This invention discloses a novel ion channel inhibitor and its synthesis process, belonging to the field of pharmaceutical preparation technology. The novel ion channel inhibitor and its synthesis process include: Step 1, injecting raw materials into a reaction vessel, injecting lithium hydroxide, injecting a tetrahydrofuran / water mixture, and refluxing to collect reactant A; Step 2, adding cobalt chloride to reactant A, drying dichloromethane, and refluxing to obtain reactant B. This novel ion channel inhibitor and its synthesis process have several advantages. First, the S-C bond is longer than the C-C bond, making it larger in size than adamantane. The three sulfur groups also possess a certain degree of spatial aromaticity, leading to better interaction with proteins. Preliminary experiments have shown that it may have an inhibitory effect 200 times stronger than adamantane. Second, the in vivo metabolism and environmental degradation rate of sulfur are much higher than that of hydrocarbons, therefore its toxicity and the induction of drug resistance are lower.

The invention belongs to the technical field of organic chemical synthesis, and relates to an aromatic diaza-tribole compound as well as a synthesis method and application thereof. According to the present invention, the alkali metal is adopted to reduce the dibromo-diaza-tribolole, and the nitrogen heterocyclic carbene is added so as to achieve the stable coordination, such that the aromatic diaza-tribolole compound is synthesized for the first time; the compound has relatively strong reducibility, and can be subjected to single-electron, double-electron and four-electron oxidation reactions to obtain a positive ion type diazabicyclo [3, 1, 1] heptane free radical, a double positive ion type diazabicyclo [3, 1, 1] heptane and a double positive ion type diazabicyclo [3, 1, 1] heptane free radical. The BNS-hetero 6, 5-fused bicyclic derivative can also be subjected to a continuous ring increasing / cycloaddition reaction with an unsaturated substrate such as carbon disulfide to generate the BNS-hetero 6, 5-fused bicyclic derivative.

The system provides new methods and processes for the reaction of polymeric / oligomeric substrates with reactants comprising alkyne / alkene and / or protic nucleophilic moieties to afford functionalized polymeric / oligomeric products through the utilization of homogenous and / or heterogenous gold catalysis. More specifically, the system provides routes for reaction of polymeric / oligomeric substrates comprising varying degrees of aromatic character with alkyne / alkene bearing molecules to afford a functionalized polymeric / oligomeric product. The system additionally provides pathways wherein the inverse methodology is realized, providing functionalized materials from the reaction of polymeric substrates bearing alkyne / alkene moieties with aromatic and / or protic nucleophilic reagents. Furthermore, in a tangential methodology, the system affords functionalized polymeric materials from the reaction of polymeric substrates bearing protic nucleophilic substituents with alkyne / alkene containing molecules. The system provides pathways for the facile modification of commodity polymer materials in order to produce value-added materials utilizing current polymer infrastructure, commodity polymer feedstocks, and post-consumer plastic waste.

A new class of ordered functional nanoporous material (OFNMs) with a unique combination of electronic conductivity, gas transport ability, and ion transport properties are provided. The OFNM provided is highly ordered and contains nanometer scale pores lined with nitrogen atoms. The pores have dimensions of from 1.2 nm to 82 nm of longest linear extent across the pore. The functionality within the pore is controlled through selection of groups that extend into the pore. The degree of conjugated aromaticity is readily controlled to adjust the electrical conductivity properties of the resulting structure. By adjusting the groups external to the pore, three-dimensional structures are formed that are organic mimics of zeolites, metal organic frameworks (MOF), or perovskites.

Hydrocarbon polymer modifiers for use in various applications are described.SOLUTION: The hydrocarbon polymer modifiers contain cyclic components and have glass-transition temperatures and Mn defined by the following two equations: (1) Tg ≥ 95 - 2.2 * (% HAr), and (2) Tg ≥ - 53 + (0.265 * Mn); contents of aromatic protons from 12mole% to 19mole% (% HAr); and Mn from 300g / mole to 450g / mole.SELECTED DRAWING: None

The invention belongs to the field of inorganic nanomaterials, and particularly relates to an anti-ferrocene palladium nanocluster material, a method thereof and application of the anti-ferrocene palladium nanocluster material in photothermal conversion performance. The anti-ferrocene palladium cluster disclosed by the invention is a planar metal nanocluster formed on the basis of a Pd5P structural unit, and comprises but is not limited to Pd5-C, Pd5-O, Pd6, Pd8-S and Pd8-P. The cluster structure is similar to the form of a traditional ferrocene compound and has planar aromaticity, but the positions of metal and nonmetal are exchanged. Besides, different from a conventional metal nanocluster with a three-dimensional structure, the anti-ferrocene palladium cluster material with the plane structure has near-infrared absorption (within the ranges of a near-infrared first region and a near-infrared second region), and the maximum absorption wavelength of the anti-ferrocene palladium cluster material mainly originates from electron excitation transition of a cluster metal plane. The unique absorption interval and the electron excitation transition form endow the material with excellent near-infrared light thermal conversion performance.

The present application relates to a method for preparing pure spinnable mesophase pitch, comprising: (1) mixing two kinds of heavy oil or residual oil with a distillation fraction above 400 DEG C, and carrying out a preliminary thermal polycondensation and a first co-carbonization treatment to obtain a pre-polycondensation pitch; (2) under a nitrogen atmosphere, the pre-polycondensation pitch is subjected to constant temperature stirring and blowing to remove part of the evaporable components, and then extracted with an organic solvent to separate into light and heavy components; (3) the light and heavy components are mixed in a certain proportion, and a second co-carbonization agent is added to carry out a second thermal polycondensation to obtain a mesophase pitch precursor; (4) the light components in the precursor are removed by extraction with an organic solvent, and the precursor is kept at a constant temperature to obtain a pure spinnable mesophase pitch. The method has the advantages of mild reaction conditions, low equipment requirements, safety and sustainability; the product has high aromaticity, uniform molecular composition, and low content of heteroatoms and ash.

High-purity polycyclic aromatic hydrocarbons (PAHs) and the byproducts thereof, and methods for producing such products are disclosed. The PAHs may comprise an aromaticity index of about 0.65 to about 0.80. The PAHs may have quinoline insolubles and sulfur impurities of less than about 0.1 wt. % each. A tar or pitch comprising the high-purity PAHs and a method of producing such tar or pitch are disclosed. A synthetic graphite comprising high-purity PAHs is also disclosed. A method of making carbon pellets from high-purity PAHs is also disclosed.