919 results about "Simple aromatic ring" patented technology

The invention relates to a two-component composition as well as a preparation method and application thereof, and belongs to the technical field of woodware seal primers. The double-component composition provided by the invention comprises a component A and a component B, the component A comprises epoxy resin (1a) containing an aromatic ring structure and more than two epoxy groups and silane (1b) containing one epoxy group; in the component A, the weight of the silane (1b) accounts for 18-60 wt% of the total weight of the epoxy resin (1a) and the silane (1b); the component B comprises silane (1c) containing one amino group and substituted phenol (1d) with a specific structure; and in the component B, the weight of the substituted phenol (1d) accounts for 0.3-10 wt% of the total weight of the silane (1c) and the substituted phenol (1d). The double-component composition disclosed by the invention can realize dual curing, is high in crosslinking density, has the advantages of excellent surface effect, sanding property, flexibility, sealing property and wood warming effect, does not contain a solvent or only has low solvent content, and is particularly suitable for woodware seal primer.

The invention discloses an asphaltene molecule nano-scale characteristic analysis method based on quantum chemistry calculation, which comprises the following steps: acquiring composition information of asphaltene components, and constructing a representative asphaltene molecule three-dimensional model containing a fused aromatic ring skeleton and an alkyl side chain; performing geometric configuration optimization on the representative asphaltene molecule three-dimensional model by adopting a quantum chemistry density functional theory method to obtain a stable configuration of the asphaltene molecule; determining key nano parameters of the asphaltene molecules according to the stable configuration of the asphaltene molecules; and associating the key nano-scale parameters of the asphaltene molecules with the macro-performance of the asphalt material, and establishing an asphalt performance association model. According to the method, the key parameters capable of representing the asphaltene microstructure and property are obtained, so that the understanding of the relationship between the asphaltene composition and the performance of the asphalt material is deepened, the performance of the asphalt material is evaluated from the molecular scale, and a new thought is provided for performance prediction and modification of the asphalt material.

The invention relates to the technical field of degradable PE (polyethylene) packaging materials, and discloses a PE film, a preparation process and application in tissue packaging, and the PE film is prepared by the following steps: by taking 7-(diethylamino) coumarin-3-carboxylic acid, 2-naphthyl methanol and epoxy chloropropane as raw materials, carrying out esterification reaction and quaternization reaction to prepare an epoxidized biodegradable organic photosensitizer; based on an epoxy-hydroxyl ring-opening reaction mechanism, hydroxylated titanium dioxide nanoparticles and polyvinyl alcohol resin are respectively modified by using an epoxidized biodegradable organic photosensitizer, and compounding is performed based on a pi-pi accumulation effect between aromatic rings to prepare the ultraviolet light dependent photo-biodegradable component. According to the present invention, the ultraviolet light dependent light-biological degradation component, the compatible component and the composite auxiliary agent are added to the polyethylene matrix, and blow molding is performed to obtain the PE film, and the film product shows excellent light-biological dual degradation performance, has actual use value, and can be used in the tissue packaging field.

The present invention provides: an actinic-ray-sensitive or radiation-sensitive resin composition containing (A) a resin, and (Q1) an actinic-ray-sensitive or radiation-sensitive acid generator, which is an onium salt compound having a structure in which three or more iodine atoms and at least one group selected from −SO3 – and −SO2− are bonded to the same aromatic ring; an actinic-ray-sensitive or radiation-sensitive resin film formed from the actinic-ray-sensitive or radiation-sensitive resin composition; and a method for forming a pattern and a method for manufacturing an electronic device using the actinic-ray-sensitive or radiation-sensitive resin composition.

The invention provides a method for identifying a microscopic association body structure in a heavy oil molecule simulation trajectory, which comprises the following steps of: analyzing a molecular dynamics trajectory, identifying an aromatic ring structure in a heavy oil molecule component, calculating a geometric center of the aromatic ring structure, combining a periodic boundary condition, and applying an improved DBSCAN clustering algorithm to realize automatic identification and clustering of an association body; and performing post-processing optimization on the clustering result, merging the shared clusters to generate a final association body set, and analyzing the number, size distribution, morphological characteristics and dynamic evolution information of the association bodies based on the structural characteristics of the final association body set. The method can accurately capture pi-pi accumulation behaviors of heavy oil molecules, further reveals morphological characteristics and dynamic evolution laws of heavy oil microassociates and influences of the heavy oil microassociates on the apparent viscosity of heavy oil, provides theoretical support for heavy oil viscosity-causing mechanism analysis and viscosity reducer design, can complement experimental research, and has a wide application prospect. And efficient development and green utilization of a complex thickened oil system are promoted.

The invention relates to the technical field of molecular simulation, and provides a method for constructing a heavy component average molecular structure of thickened oil, which comprises the following steps: inputting parameters, generating a core aromatic ring unit, constructing an inner-layer aliphatic ring unit, constructing an outer-layer aliphatic ring unit, generating a side chain unit, and storing and outputting structural information. A plurality of molecular structures meeting experimental data are generated at a time through a traversal algorithm thought, composition characteristics of a heavy oil complex mixture are met, more available molecular structures are provided for molecular simulation, the accuracy and efficiency of molecular modeling are improved, the molecular structures completely meeting the experimental data can be rapidly generated, and the method is suitable for large-scale popularization and application. And only the mass spectrometer, the elemental analyzer, the nuclear magnetic resonance hydrogen spectrum and the infrared spectrum data need to be input, so that the experiment cost is reduced.

The invention provides a semi-aromatic polyamide material easy to process and form and a preparation method thereof. Comprising the following components in parts by weight: 40-78 parts of PA MXD6, 4-15 parts of long carbon chain nylon, 0.3-3 parts of polyethyleneimine, 20-60 parts of a reinforcing material, 0.2-5 parts of other auxiliaries and 0-50 parts of a filling material. The long carbon chain nylon with a specific length and the polyethyleneimine with a specific molecular weight are fully utilized to be matched, so that more shear sensitivity characteristics are obtained, and the problems of poor flowability of the aromatic ring nylon PA MXD6 material, lack of glue in thin-wall multi-cavity processing, tape casting, scorching, appearance fiber floating and the like are solved.

This resist composition contains: a resin component (A1), the solubility of which in a developer solution changes due to the action of an acid; and a compound (D0) represented by general formula (d0-1). In the formula, Ar is an aromatic ring; OH is a hydroxy group; Xd01 is an iodine atom, a fluorine atom, a bromine atom, or a fluorinated alkyl group; Ld is a single bond or a divalent linking group; Z+ is S+ or I+; and Xd02 is an iodine atom, a fluorine atom, a bromine atom, or a fluorinated alkyl group. [Chemical formula 1]

The invention discloses a near-infrared two-region aggregation-induced emission material as well as a preparation method and application thereof, and belongs to the technical field of aggregation-induced emission materials. The invention provides a fluorescent material with aggregation-induced emission (AIE) property, which can have high luminous efficiency in an NIR-II (1000 nm to 1500 nm) region. The invention aims to carry out rational structure design through the multilevel space confinement effect of molecule and aggregate levels. Through modification of a methyl group and a side chain substituent group, free rotation of an aromatic ring is effectively inhibited, and a rigid mortise and tenon interlocking structure is formed in the crystal. The water-soluble nanoparticles prepared from the synthesized aggregation-induced emission material can achieve a fluorescence quantum yield of 28.2%. By utilizing the nanoparticles with high fluorescence efficiency, the application of real-time dynamic monitoring and the like on intestinal vessels of a living body can be realized, and a new method is provided for early diagnosis and surgical intervention of acute intestinal ischemia.

The present application relates to a kind of high weather resistance and coating adhesion sunscreen coating and its preparation method, belong to sunscreen coating technical field;The present application uses the modifier with disulfide bond and polymerizable double bond to modify polyacrylate emulsion, significantly improve the flexibility of polyacrylate molecular chain after modification, reduce solidification shrinkage stress and internal stress, improve the coating adhesion of sunscreen coating of hard filler to matrix resin, it can also form stable chemical bonding between polyacrylate resin and titanium dioxide, provide stable stress transfer path, reduce the cracking and warping of coating, in addition, the modifier of the present application has good heat resistance aromatic ring structure, using the modifier of the present application can improve the heat resistance of sunscreen coating without introducing additional modifier.

This proton conductive electrolyte material has a chemical structure which comprises an acidic polymer (2) that contains an oxo acid group represented by -POx(OH)y (wherein x and y are each 1 or more), having a phosphorus atom, and at least one saturated hydrocarbon group in the main chain, and a basic polymer (3) that contains a basic functional group, while having at least one aromatic ring in the main chain, wherein an attractive interaction occurs between the oxo acid group and the basic functional group. This fuel cell is provided with the proton conductive electrolyte material. This method for producing a proton conductive electrolyte material includes: preparing a first solution by means of an acidic polymer and a mixed solvent; preparing a second solution in which a basic polymer is dissolved in a solvent; and preparing a mixed solution in which the first solution and the second solution are mixed. With respect to the preparation of the first or second solution, a mixed solvent which contains an inhibitor that is capable of inhibiting rapid aggregation of the oxo acid group and the basic functional group is prepared.

To provide: a reactive adhesive that has excellent alkali releasability and does not undergo strength degradation over time even when the contents include acidic components, alkaline components, volatile components, surfactant components, and the like, and that also exhibits excellent recyclability and long-term content resistance; and a laminate, a packaging material and a packaged article that achieve both recyclability and long-term content resistance.SOLUTION: The reactive adhesive comprises a polyol composition and a polyisocyanate. The polyol composition comprises a polyester polyol (A) and a rosin-modified resin (B) having a hydroxyl group and an acidic group. The polyester polyol (A) is produced from polybasic acids or derivatives thereof and polyhydric alcohols as essential raw materials. The content of polybasic acids or derivatives thereof having an aromatic ring in the total amount of polybasic acids or derivatives thereof is 35 mass% or more. The mass ratio ((B) / (A)) of the rosin-modified resin (B) to the polyester polyol (A) is from 0.03 to 1.5.SELECTED DRAWING: None

The invention discloses an optical monomer and a preparation method thereof, a composition, a resin material and a preparation method thereof. The optical monomer provided by the invention comprises a quaternary carbon structure and a side chain connected with the quaternary carbon structure through an ester bond. The side chain comprises a thioether chain segment connected with an ester bond, an aromatic group connected with the thioether chain segment and an epoxy group connected with the thioether chain segment. The optical monomer provided by the embodiment of the invention takes a quaternary carbon structure as a core skeleton, and a side chain sequentially comprises an aromatic group, a thioether chain segment and a terminal epoxy group. A thioether structure with high polarizability and an aromatic group are introduced into the molecular design of the optical monomer, so that the refractive index and the optical transparency of a resin material are remarkably improved. And the rigidity of the epoxy aromatic ring is beneficial to improving the thermal stability and mechanical strength of the resin material. The epoxy group at the tail end can react with conventional epoxy resin to form a compact network structure, so that the stability of the resin material is improved, and the yellowing tendency is reduced.

The invention discloses a hindered phenol monomer containing organic phosphorus heterocyclic rings as well as a preparation method and application of the hindered phenol monomer. The hindered phenol monomer has any one of the following structures: R is selected from-(CH2) b-or an aromatic ring, b is 3 or 4, and the aromatic ring comprises a benzene ring and / or a furan ring. The intrinsic flame-retardant anti-droplet polymer provided by the invention has the characteristics of excellent flame retardance and no droplet, and meanwhile, the intrinsic flame retardant is copolymerized into a molecular chain, so that the intrinsic flame-retardant anti-droplet polymer is not easy to migrate, does not permeate into the surrounding environment, is stable in property, can be used for injection molding and spinning, and can be used for preparing flame-retardant blocky products and fabrics; the composite material is used for interiors of electric appliances, switches, firefighter uniform, military uniform, automobiles, high-speed rails and other limited spaces.

The application relates to a dry powder drag reducer for fracturing fluid and a preparation method thereof, and belongs to the technical field of drag reducers; the dry powder drag reducer is copolymerized and modified by preparing a polymerizable modifier, aromatic rings and sulfonic acid ion structures are introduced into the dry powder drag reducer, the high-temperature resistance and salt resistance of the dry powder drag reducer are effectively improved, in addition, the modified dry powder drag reducer structure also has a catechol structure, can form a stable five-membered ring borate with a boron crosslinking agent, and the dry powder drag reducer can be mixed with a guar gum drag reducer when the boron drag reducer is used, so that the problem of poor sand carrying capacity of the dry powder drag reducer is effectively solved.

The invention relates to a dry powder drag reducer for fracturing fluid and a preparation method thereof, and belongs to the technical field of drag reducers. The dry powder drag reducer is subjected to copolymerization modification by preparing the polymerizable modifier, an aromatic ring and sulfonic acid ion structure is introduced into the dry powder drag reducer, the high temperature resistance and salt resistance of the dry powder drag reducer are effectively improved, in addition, the modified dry powder drag reducer structure further has a catechol structure, and the modified dry powder drag reducer has a good application prospect. The dry powder drag reducer can form stable five-membered ring boric acid ester with a boron cross-linking agent, when the boron drag reducer is used, the dry powder drag reducer can be mixed with a guar gum drag reducer for use, and the problem that the dry powder drag reducer is poor in sand carrying capacity is effectively solved.

A protective film forming agent which is used for forming a protective film on a surface of a semiconductor wafer during dicing the semiconductor wafer, which is capable of forming a protective film which allows formation of a processed groove having excellent straightness by laser irradiation, and which has excellent fluorine shielding property, and a method of manufacturing a semiconductor chip using the protective film forming agent. The protective film forming agent contains a water-soluble resin (A), a light absorbing agent (B), and a solvent(S). The water-soluble resin (A) contains a water-soluble resin (A1) having an aromatic ring and a water-soluble group. The water-soluble resin (A1) may contain a benzene ring as an aromatic monocycle.

This disclosure refers to a method for the synthesis of polymers with weight average molecular weights greater than 50,000 g / mol, chemically inert, with a minimum decomposition temperature of 425° C., and a main chain composed only of carbon-carbon bonds, which contain structures of the type of naphthalene, phenanthrene, anthracene, pyrene, carbazole or any other where two or more aromatic rings of six carbon atoms of the benzene-type are fused, which may or may not contain aromatic heterocycles. In addition, the polymers obtained from the present disclosure may or may not contain fluorine atoms in their structure. The synthesis described here is carried out by means of polycondensation between a polycyclic aromatic compound and a compound with a carbonyl group in its structure in a strong acid medium.

This disclosure provides redox cyclable molecules for energy storage. These molecules belong to either the 4H-pyran-4-ylidene family or include a six-membered aromatic ring with one nitrogen atom at position 1 (pyridinium family) or two nitrogen atoms at positions 1 and 4 (pyrazinium family) or at positions 1 and 3 (pyrimidinium family). Molecules in these families are used as analytes in redox flow batteries.

The invention provides an environment-friendly chalcopyrite inhibitor and a copper-molybdenum separation method, and belongs to the technical field of copper-molybdenum separation. The environment-friendly chalcopyrite inhibitor is a sulfur-containing histidine derivative, a unique aromatic conjugated structure of the environment-friendly chalcopyrite inhibitor can be converted into sulfydryl through thiocarbonyl tautomerization, S in the sulfydryl and N atoms which contain lone pair electrons and do not participate in conjugation in an aromatic ring cooperate with each other, copper ions in chalcopyrite can be directionally chelated, a formed chelate is of an annular structure, and the chalcopyrite inhibitor can be used for inhibiting copper ions in chalcopyrite. Chelation with molybdenum in molybdenite is avoided, and excellent selectivity is shown. The environment-friendly chalcopyrite inhibitor contains carboxyl and tertiary amino at the same time, and it is guaranteed that the environment-friendly chalcopyrite inhibitor can efficiently inhibit target minerals in a wide pH window through the two hydrophilic functional groups of different structures. Based on the specific space structure of the environment-friendly chalcopyrite inhibitor, the types of functional groups and mutual cooperation of different functional groups, efficient selective inhibition of chalcopyrite in copper and molybdenum associated ores can be achieved safely and environmentally in a wide pH range.

Provided is a resist composition which generates an acid upon exposure to light, and the solubility of which with respect to a developer solution is changed by the action of the acid. The present invention employs the resist composition containing a compound (D0) that is represented by general formula (d0). In the formula, Rar represents an aromatic ring which may have a substituent. R01 represents a chain saturated hydrocarbon group having 1 to 10 carbon atoms. R02 represents a hydrogen atom or an optionally substituted chain saturated hydrocarbon group having 1 to 10 carbon atoms. R03 represents a halogen atom. j represents an integer of 1 or more, valence permitting. k represents an integer of 1 or more, valence permitting. Yd0 represents a divalent linking group or a single bond. m represents an integer of 1 or more, and Mm+ represents an organic cation having a valence of m.

The invention relates to an aromatic ring-containing compound serving as a WRN inhibitor and application thereof, in particular to a compound shown in a formula (I), a tautomer, a stereoisomer, a hydrate, a solvate, pharmaceutically acceptable salt or prodrug of the compound, a preparation method of the tautomer, the stereoisomer, the hydrate, the solvate and the pharmaceutically acceptable salt or prodrug of the compound and application of the tautomer, the stereoisomer, the hydrate, the solvate and the pharmaceutically acceptable salt or prodrug in preparation of drugs for treating WRN-related diseases.

A compound having a ligand LA of Formula I,is disclosed. In Formula I, ring B is a 5-membered or 6-membered ring; K is a direct bond, O, or S; X is O, S, Se, NR, CRR′, SiRR′, or GeRR′; R1 and R2 are each independently selected from a variety of substituents; each R, R′, RA, and RB is independently hydrogen or a substituent; LA is coordinated to a metal M selected from Os, Ir, Pd, Pt, Cu, Ag, or Au by the dashed lines; any two adjacent of R1, R2, R, R′, RA, or RB can be joined or fused to form a ring, with the proviso that when ring B is a 6-membered ring, two RB substituents are not joined to form a fused 6-membered aromatic ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.

The purpose of the present invention is to provide: a radiation-sensitive composition capable of forming a resist film that can exhibit sensitivity and CDU at satisfactory levels when next-generation technology is applied and can suppress development defects; and a pattern formation method. The purpose of the present invention is also to provide a radiation-sensitive acid generator that can be applied to said radiation-sensitive composition. The present invention relates to a radiation-sensitive composition containing: a polymer (A) containing a structural unit (I) having an acid-dissociable group; a radiation-sensitive acid generator (B) represented by formula (1); and a solvent (C). (In formula (1): A is an (n1+n2+n3+1)-valent aromatic ring; R1 is a nitro group, a cyano group, a hydroxy group, an amino group, or a monovalent organic group; when there are multiple R1s, the multiple R1s are the same or different from one another; n1 is an integer of 1-5; n2 is an integer of 1-5; n3 is an integer of 0-5; m2 is an integer of 1-3; L is a single bond or an (m2+1)-valent linking group; Rf1 and Rf2 are each independently a fluorine atom or a monovalent fluorinated hydrocarbon group having 1-20 carbon atoms; Rf3 and Rf4 are each independently a hydrogen atom, a fluorine atom, a monovalent hydrocarbon group having 1-20 carbon atoms, or a monovalent fluorinated hydrocarbon group having 1-20 carbon atoms; when there are multiple Rf3s and multiple Rf4s, the multiple Rf3s and the multiple Rf4s may each be the same or different from one another; m1 is an integer of 0-10; and M+ is a monovalent onium cation.

To provide materials for organic devices such as materials for organic EL elements, comprising compounds different from conventional ones, in order to increase options for materials for organic EL elements.SOLUTION: Options for materials for organic devices such as materials for organic EL elements are increased by condensing a cycloalkane to a polycyclic aromatic compound in which a plurality of aromatic rings are linked together by boron atoms, oxygen atoms, and the like. By using a novel cycloalkane-condensed polycyclic aromatic compound as a material for an organic EL element, for example, an organic EL element having excellent emission efficiency and element life is provided.SELECTED DRAWING: None

The invention discloses a transparent polyamide elastomer capable of realizing large deformation and a preparation method and application thereof, a hard segment of the polyamide elastomer contains an alicyclic or aromatic ring structure, and the polyamide elastomer has good transparency and mechanical properties. The hard segment is difficult to crystallize due to the steric hindrance effect of the cyclic monomer and is in an amorphous state at room temperature, the elastomer is endowed with excellent optical performance, the glass-transition temperature of the polyether or polyester soft segment is lower than the room temperature, and good flexibility and rebound resilience can be provided for the material. The polyamide elastomer is prepared through a melt polycondensation method, no extra water is added in the process, and the hydrolysis of the catalyst is inhibited to the maximum extent, so that the polymerization activity between a hard segment and soft segments with different molecular weights can be improved. The polyamide elastomer disclosed by the invention has the advantages of both transparent nylon and long-carbon-chain nylon elastomers, and has relatively high light transmittance (the light transmittance is 85-95%) and flexibility (the elongation at break is 900-2500%).

The present invention provides: an active ray-sensitive or radiation-sensitive resin composition, containing (A) a resin and (Q1) an active ray-sensitive or radiation-sensitive acid generator which is an onium salt compound having a structure in which three or more iodine atoms and at least two or more atoms selected from oxygen atoms and sulfur atoms are bonded to the same aromatic ring; an active ray-sensitive or radiation-sensitive film formed from the active ray-sensitive or radiation-sensitive resin composition; a pattern forming method using the active ray-sensitive or radiation-sensitive resin composition; and a method for producing an electronic device.

The invention discloses functionalized magnetic cellulose aerogel as well as a preparation method and application thereof, and belongs to the technical field of aerogel materials. The functionalized magnetic cellulose aerogel is prepared by the following preparation method: extracting cellulose from agricultural wastes, adding the cellulose into an alkali urea solution, freezing, unfreezing, and uniformly mixing with modified iron cobalt oxygen powder to obtain a mixture; adding polyethyleneimine and a cross-linking agent to form hydrogel, and freeze-drying to obtain the functionalized magnetic cellulose aerogel, the modified Fe-Co-O is obtained by mixing Fe-Co-O nano-powder and a tannic acid aqueous solution for reaction. The aerogel is doped with the modified Fe-Co-O, the material is endowed with the magnetic response characteristic, the tannic acid attached to the surface of the Fe-Co-O can form hydrogen bond interaction with the micro / nano plastic, and benzene rings contained in the tannic acid are beneficial to form pi-pi interaction with aromatic rings in the micro / nano plastic, so that the magnetic response property of the material is improved. The rapid adsorption between the aerogel and the micro / nano plastic is promoted.

Provided is a water-based inkjet ink that is excellent in continuous ejection stability and straight ejection, and that provides excellent print density and print quality for prints on various printing substrates, particularly paper substrates, and further has good resolubility. [Solution] The aqueous inkjet ink comprises pigment particles including a pigment and a pigment dispersing resin that covers at least a portion of the surface of the pigment, an acetylene diol surfactant (B-1) having a measured HLB value of 6 to 9, a siloxane surfactant (B-2), an alkanediol having 3 to 4 carbon atoms, an alkanediol having 5 to 8 carbon atoms, and a glycol ether having 4 to 10 carbon atoms, wherein the pigment dispersing resin comprises a crosslinked reaction product of a polymer (A-1) that has an aromatic ring and an acid group and an acid value of 50 to 160 mg KOH / g, and a compound (A-2) that has multiple glycidyl ether groups in one molecule, and the compound (A-2) is blended in an amount that results in a glycidyl group content of 50 to 200 mol %.