113 results about "Aromaticity" patented technology

The invention discloses a polymer resin and a preparation method thereof, an optical lens and intelligent glasses, and relates 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: thiocyanate, a sulfhydryl compound, an organic base catalyst and a solvent. The oxidation resistance and the stability of the polymer resin can be improved, and the polymer resin also has high refractive index performance.

The invention discloses an insulating material composition, a high-voltage cable, a preparation method and application. The insulating material comprises polyethylene, a peroxide cross-linking agent and an antioxidant, wherein the peroxide cross-linking agent does not contain benzoyl peroxide, and the peroxide cross-linking agent meets one or two of the following characteristics: (i) the peroxide cross-linking agent contains a reactive functional group, and the reactive functional group is selected from at least one of alkenyl, alkynyl and azido; (ii) the peroxide crosslinking agent contains at least one of a peroxide carbonyl group and a peroxide carbonate group; when the peroxide cross-linking agent contains a peroxide carbonyl group, the peroxide cross-linking agent is a non-aromatic compound. The provided insulating material composition contains the peroxide cross-linking agent adopting a specific structure, the cross-linking efficiency is improved, the long-time extrusion stability is remarkably improved, and in the long-time extrusion process, the extrusion pressure is kept stable.

The invention discloses a polymer resin and a preparation method and application thereof, the polymer resin has the following structural general formula as shown in the formula I: # imgabs0 #, and n is a positive integer between 1 and 10000; r1 is a group capable of providing hydrogen atoms, and R2 is an aromatic group or a substituted aromatic group. The polymer resin provided by the invention has more groups and atoms with high refractive index; multiple hydrogen-bond interactions with different strengths are generated among a plurality of hydrogen-bond acceptors and hydrogen-bond donors contained in molecules, so that the intermolecular acting force in the polymer resin is enhanced, and the refractive index of the whole polymer resin is further improved and is higher than 1.8. The aromatic group has certain rigidity, and the thioether bond has certain flexibility, so that the structural toughness and machinability of the whole molecule can be improved.

The invention discloses polymer resin and a preparation method thereof, an optical lens and intelligent glasses, and relates to the technical field of polymer resin. The polymer resin comprises a thioamide group and an aromatic group, and is prepared from the following raw materials: thiocyanate, an amino compound and a solvent. The oxidation resistance and the stability of the polymer resin can be improved, and the polymer resin also has high refractive index performance.

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 invention provides a cationic polymer microsphere and a preparation method thereof. The preparation method of the cationic polymer microspheres comprises the steps that a chain transfer agent, an aromatic monomer and an initiator are mixed in water and an organic solvent to obtain a mixed solution, the chain transfer agent is a cationic macromolecular chain transfer agent with the molecular weight larger than 8000, and the aromatic monomer comprises at least two benzene ring structures; and carrying out vacuum sealing and heating on the mixed solution to initiate a polymerization reaction and a self-assembly process so as to form the cationic polymer microspheres.

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 relates to the technical field of biomass-based polyfuran polymer materials, in particular to a flexibility-adjustable biomass-based polyfuran polymer material and a preparation method thereof. A molecular structure of a conventional bio-based fat chain high-molecular polymer lacks a rigid structure, so that the heat resistance and the mechanical property are obviously lower than those of a petroleum-based high-molecular material. Aiming at the technical problems, the invention provides the flexibility-adjustable biomass-based polyfuran high-molecular material which is a product obtained by carrying out aldol condensation reaction on furan dicarboxaldehyde and diketone or polyketone under the action of a catalyst, and a molecular skeleton of the flexibility-adjustable biomass-based polyfuran high-molecular material consists of aromatic rings and carbon-carbon chains and does not contain heteroatoms; the biomass-based polyfuran polymer material is similar to a molecular skeleton of phenolic resin and has a lower carbon footprint, an aromatic furan ring in a molecular structure is connected with a double bond, and the flexibility of the biomass-based polyfuran polymer material can be adjusted by changing the type of diketone or polyketone.

The invention relates to the technical field of anode materials, in particular to a modified carbon anode and a preparation method thereof, and the preparation method comprises the following steps: S1, crushing pretreatment; s2, mixing; s3, extrusion forming; s4, strengthening treatment; the performance of the modified carbon anode in the aspects of conductivity, density, breaking strength and the like can be remarkably improved by matching a unique preparation process with specific components. The double modified asphalt plays a key role in bonding and performance optimization. In the first modification, 2, 3, 5-trimethylpyridine reacts with asphalt, so that the aromaticity and the crosslinking degree of the asphalt are increased, and the softening point and the thermal stability of the asphalt are greatly improved. And the asphalt can stably wrap the asphalt coke particles to form a compact structure, so that the density of the anode is effectively improved. In the second modification, a boron-containing compound is introduced and further reacts with the first modified asphalt to form a boron-containing cross-linked structure, so that not only is the intermolecular force enhanced, but also the crystal structure of the anode is optimized.

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.

The present application discloses an organic compound and a mixture, composition, and organic electronic device comprising the organic compound. The organic compound has a structure as shown in the general formula (1): the organic compound of the present application includes at least 3 nitrogen atoms and 2 boron atoms in the same rigid plane, and includes a non-aromatic cyclic group on the side, which well combines the high fluorescence quantum efficiency of the rigid plane and the advantages of flexible editing to reduce π-π stacking. The organic compound is used in organic electronic devices, especially as a luminescent material in the light-emitting layer of an organic electronic device, and can better improve the luminous efficiency and stability of this type of compound.

The invention relates to the field of organic photoelectric carbon-based molecular materials, and particularly provides triplet-state shell-opening double-free-radical shell-opening polycyclic aromatic hydrocarbon as well as preparation and application thereof, and the triplet-state shell-opening double-free-radical shell-opening polycyclic aromatic hydrocarbon is a compound with a structure as shown in a formula 1 # imgabs0 #; in the formula 1, R1 is H, a C1-C6 alkyl group, a C1-C6 alkoxy group, a nitro group, a trifluoromethyl group or X; and X is halogen. The organic semiconductor material disclosed by the invention is high in glass transition temperature, has good photoelectromagnetic properties and global aromaticity, and can be applied to the field of photoelectricity.

The invention provides a preparation method of 2-chloro-6-mercaptobenzoic acid. The 2-chloro-6-mercaptobenzoic acid is used as a raw material. Comprising the following steps: in a protective gas atmosphere, mixing a bivalent palladium catalyst, a phosphine ligand, an alcohol solvent and an aromatic solvent, and adding water for pre-activation to obtain a reaction solution; and in a protective gas atmosphere, mixing the reaction liquid, a compound 2, 6-dichlorobenzoic acid, a vulcanizing reagent and inorganic alkali, performing vulcanization reaction, and adding reducing metal and acid for reaction to obtain the 2-chloro-6-mercaptobenzoic acid. The preparation method provided by the invention is simple and convenient to operate and high in yield, and can be amplified to industrial production.

Provided is a curable composition containing a polymerizable compound represented by General Formula (A), an acylphosphine oxide photopolymerization initiator, and an amine compound.ArL-Sp-Pol)n  Genera Formula (A)Ar represents an n-valent group containing a nitrogen-containing fused aromatic ring satisfying all items (i) to (iii), as a partial structure.(i) The nitrogen-containing fused aromatic ring has a fused ring structure in which two or more 6-membered rings are fused.(ii) The nitrogen-containing fused aromatic ring has at least one nitrogen atom as a ring-constituting atom.(iii) All ring-constituting atoms have p-orbitals, and all the p-orbitals contribute to aromaticity.L and Sp each independently represent a single bond or a divalent linking group, Pol represents a hydrogen atom or a polymerizable group, and n represents 1 or 2. The polymerizable compound represented by General Formula (A) contains at least one polymerizable group.

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 method for reducing the risk of composite pollutants in sewage, and belongs to the technical field of sewage treatment. The method comprises the following steps: S1, measuring the concentration of soluble organic carbon and the total concentration of composite pollutants in sewage; s2, determining the proportion P of dissolved organic matter molecules with the modified aromaticity index greater than or equal to 0.5 in the sewage; and S3, selecting a corresponding double-medium adsorption column filling scheme based on the ratio of the concentration of the soluble organic carbon to the total concentration of the composite pollutants and the P. According to the method provided by the invention, the existing activated carbon adsorption process can be upgraded in situ, the risk of composite pollutants in sewage is effectively reduced, and the effluent safety of a sewage plant is effectively guaranteed.

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.

The present invention belongs to the technical field of organometallic complexes and relates to a preparation method of expanded porphyrin (1.0.1.0.1.0) and its dirhodium and trirhodium complexes. Based on the novel expanded porphyrin (1.0.1.0.1.0), the present invention modifies the ring center (forming metalloporphyrin by substituting the hydrogen on the nitrogen atom at the porphyrin center with metal ions). Using 1-tert-butoxycarbonyl-2-pyrroleboronic acid as a raw material, a coupling reaction is first carried out to synthesize bipyrrole (DPy), and then a condensation reaction is carried out with aromatic aldehyde to generate expanded porphyrin (1.0.1.0.1.0). Finally, based on the obtained expanded porphyrin (1.0.1.0.1.0), its ring center is modified to obtain dirhodium and trirhodium complexes. The synthesis route of the present invention is relatively simple and the yield is high. The obtained compounds are not only used in the field of metal aromaticity research, but also can be used as molecular catalysts for multi-metal photocatalytic / electrocatalytic hydrogen production and photocatalytic / electrocatalytic carbon dioxide reduction, and can be used as new catalysts for high-performance fuel cells and carbon neutralization and carbon cycle.

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.

The present invention discloses a method for preparing a spontaneously degradable cyclic poly(ester-peptide). The method comprises using a Schiff base and a cyclic anhydride as monomers and performing alternating copolymerization to prepare the spontaneously degradable cyclic poly(ester-peptide); the Schiff base has a general structural formula as shown in the following formula (I), wherein R1 and R2 are independently selected from branched or linear alkyl groups with 1 to 10 carbon atoms, branched or linear alkenyl groups with 2 to 5 carbon atoms, branched or linear alkynyl groups with 2 to 5 carbon atoms, branched or linear alkynyl groups with 3 to 10 carbon atoms, aromatic groups with 5 to 20 carbon atoms, and the above-mentioned groups containing one or more heteroatoms selected from O, S, N, Si, P, F, Cl, Br, and I; the present invention successfully prepares a cyclic poly(ester-peptide) with a clear chain structure and a fully alternating structure; the cyclic poly(ester-peptide) has spontaneous degradability and can be completely depolymerized and converted into small molecules by simple pyrolysis or exposure to air for a period of time, thereby achieving complete degradation.

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%.