362 results about "Simple aromatic ring" patented technology

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 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.

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 invention belongs to the technical field of taxifolin, and discloses a taxifolin compound, a preparation method thereof and application of the taxifolin compound in the fields of relieving, oil control and senility .The taxifolin compound contains modified beta-cyclodextrin, taxifolin and auxiliary components, and the modified beta-cyclodextrin is modified through a polar group; the auxiliary component is selected from one or more of a hydrophilic polymer, an antioxidant and a targeting carrier. The taxifolin compound provided by the invention is high in inclusion rate and good in water solubility, the polar group modified beta-cyclodextrin can finely adjust the space structure of a cavity to expand an opening, the polar group modified beta-cyclodextrin has high matching degree with the molecular structure of taxifolin, a hydrophobic aromatic ring of taxifolin can enter the cavity to be combined with a hydrophobic core, and the taxifolin compound is high in inclusion rate and good in water solubility. The water solubility is good. The taxifolin compound provided by the invention is strong in anti-inflammatory ability, has a remarkable soothing effect, and also has excellent anti-aging and oil-control effects.

The application relates to the technical field of porous carbon materials, in particular to a spherical porous carbon and a preparation method and application thereof. The preparation method of the spherical porous carbon comprises the following steps: respectively providing a water-phase mixed solution and an oil-phase mixed solution; wherein the water-phase mixed solution comprises a stabilizer, a dispersant and water; the oil-phase mixed solution comprises an aromatic ring-containing alkenyl monomer, a crosslinking agent, a pore-forming agent and an initiator; the oil-phase mixed solution is added into the water-phase mixed solution, a polymerization reaction is carried out under a first inert atmosphere, and a spherical aromatic ring alkenyl polymer is prepared; the spherical aromatic ring alkenyl polymer is sequentially subjected to pre-oxidation treatment under an oxidizing atmosphere, carbonization treatment under a second inert atmosphere and activation treatment under an activating agent, and the spherical porous carbon is prepared. The preparation method of the spherical porous carbon provided by the application does not need sulfonation, the preparation process is simple, and large-scale production can be easily realized.

The application relates to a high-temperature proton exchange membrane and a preparation method and application thereof, the preparation method comprising the following steps: S1. mixing a branched monomer containing an aromatic ring, an aromatic ring monomer containing two reactive sites and a nitrogen-containing heterocyclic monomer, and then carrying out a Friedel-Crafts reaction to obtain a hyperbranched terpolymer; S2. mixing components including the terpolymer and a solvent to obtain a casting solution, pouring, drying and obtaining a film; and S3. adsorbing phosphoric acid on the film, and the high-temperature proton exchange membrane is obtained. The high-temperature proton exchange membrane has excellent proton conductivity, proton conductivity retention rate, phosphoric acid retention rate and peak power density under the condition that the phosphoric acid adsorption amount of the high-temperature proton exchange membrane is unchanged or reduced, and is suitable for preparing a high-performance high-temperature proton exchange membrane fuel cell with excellent durability.

This organic thin film for a photoelectric conversion element contains a compound represented by formula (1), where the content of the compound represented by formula (1) is 60 mass % or more based on the total mass of the organic thin film for a photoelectric conversion element. In formula (1), Ar1 and Ar2 are aryl groups different from each other, and Ar1 is a group represented by formula (2). In formula (2), R1, R2, R3, R4, and R5 are each independently a hydrogen atom, a halogen atom, or a monovalent organic group having a Hammett substituent constant σp of 0 or more. One or more of R1, R2, R3, R4, and R5 are a halogen atom or a monovalent organic group having a Hammett substituent constant σp of 0.230 or more. Any adjacent R1, R2, R3, R4, or R5 may be a part of a condensed aliphatic ring or a condensed aromatic ring. The condensed aliphatic ring and the condensed aromatic ring may contain one or a plurality of atoms other than carbon.

A polishing liquid for CMP, the polishing liquid containing abrasive grains, a nitrogen-containing compound, and water, in which the abrasive grains include cerium-based particles, and the nitrogen-containing compound includes a compound A1 having a fused ring (a fused ring having an aromatic five-membered ring with one nitrogen atom), a compound A2 having a quinoline ring and one hydroxy group bonded to the quinoline ring, a compound A3 having an aromatic ring and a hydroxy group bonded to a nitrogen atom, or a compound A4 having a nitrogen-containing aromatic ring to which at least one selected from the group consisting of a hydroxy group and an amino group is bonded.

The present disclosure relates to an encapsulating material including a compound having a structural unit represented by formula (Bb1) (in formula (Bb1), XE represents an organic group including an aromatic ring (wherein the organic group does not include a structure represented by formula (X1) or formula (X2)), each B independently represents a group including a vinyl phenyl group, each R independently represents a substituent, and each R independently represents a substituent. L represents an integer of 1-5, and m represents an integer of 0-10).

To provide a pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive sheet having a high refractive index and capable of forming a pressure-sensitive adhesive sheet more suitable for use in an image display device usable under various environments.SOLUTION: The provided pressure-sensitive adhesive composition contains at least one selected from the group consisting of a monomer component M and a polymer thereof, wherein the monomer component M contains a monomer a containing an aromatic ring and not containing a nitrogen atom, a monomer b containing a ring structure containing a nitrogen atom, and a monomer c containing a hydroxyl group. The sum of the content of the monomer (a) and the content of the monomer (b) in the monomer component M is ≥ 50 wt.%. The monomer component M contains the monomer b in an amount of 0.1 to 8 wt%.SELECTED DRAWING: Figure 1

The application belongs to the technical field of lubricating oil additives, and particularly relates to a polyisobutylene succinimide dispersant as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing polyisobutylene maleic anhydride, base oil and aromatic hydrocarbon solvent, then adding aminobenzene boronic acid, and performing reaction by increasing temperature to reflux temperature, and obtaining the polyisobutylene succinimide dispersant after filtration. The polyisobutylene succinimide dispersant is prepared by using polyisobutylene maleic anhydride and aminobenzene boronic acid, the molecular structure of the polyisobutylene succinimide dispersant contains not only an aromatic ring but also an oxygen-containing benzene boronic acid group, the aromatic ring and the benzene boronic acid group both have a good adsorption effect on soot particles, and the ability of the polyisobutylene succinimide dispersant to disperse soot is improved. The performance test results show that the oil product prepared by using the polyisobutylene succinimide dispersant of the application not only improves the soot dispersion performance of the oil product, but also improves the high-temperature detergency of the oil product, and the preparation process is simple and easy to implement.

The present invention provides a composition for electrode formation. In the composition, thickening and gelation of electrode slurry are inhibited by a simple method. The composition exhibits improved storage stability and comprises: an organic acid containing an optionally substituted aromatic ring and a linker; a positive electrode active material; a conductive additive; a binder; and a solvent.

The invention discloses a high-elongation dielectric composition, a preparation method and an application method thereof, and a substrate. The dielectric composition with high elongation rate comprises high-molecular resin and inorganic filler, wherein the polymer resin comprises bonding resin, and the bonding resin comprises epoxy resin and phenolic resin; the structural resin is selected from at least one of a polymer with a main chain containing an aromatic ring and / or a heterocyclic ring and a rubber polymer; the dielectric constant of the inorganic filler is not less than 2000 in the frequency range of 1kHz to 1GHz. Through a specific synergistic resin system, the high dielectric constant and the high elongation rate are achieved at the same time, the excellent melt viscosity, the excellent heat resistance, the low thermal expansion coefficient and the low hygroscopicity are achieved, and the defects of layering and plate explosion caused by poor fluidity, poor mechanical performance and mismatching of thermal stress in the manufacturing process of an existing high-Dk material are overcome.

A method for controlling carbon deposits in an internal combustion engine using a nitrogen-containing surfactant is disclosed. The nitrogen-containing surfactant is 【Chemical 1】 JPEG2026511712000032.jpg1961 defined as or its acceptable salts, [wherein X 1 and X 2 are independently H, C, N, O, or S, and X 1 or X 2 independently contains one or more C2-C 20 alkyl groups or one or more aromatic rings, and each A, B, and D is selected from hydrogen, a monovalent organic group, and a monovalent heterocyclic organic group in the form of a group or moiety bonded through a carbon atom, and any two or more of A, B, and D may optionally be bonded together to form a cyclic structure, and X 1 and X 2 may optionally be bonded together to form a cyclic structure], or one or more nitrogen-containing surfactants selected from aliphatic hydrocarbyl-substituted amines or hydrocarbyl-substituted poly(oxyalkylene)amines. Fuel compositions and concentrate compositions containing the nitrogen-containing surfactant are also disclosed.

A polyamide acid according to the present invention includes a tetracarboxylic acid dianhydride residue and a diamine residue. The tetracarboxylic acid dianhydride residue includes a 3,3',4,4'- biphenyltetracarboxylic acid dianhydride residue. The diamine residue includes a p-phenylenediamine residue and a siloxane diamine residue. At least one of the tetracarboxylic acid dianhydride residue and the diamine residue further includes a residue derived from a compound in which a plurality of aromatic rings are linked via a linking group. The linking group is one or more items selected from the group consisting of ether groups and ester groups.

The invention relates to a reactive hot melt adhesive and a structure. The purpose of the present invention is to provide a reactive hot-melt adhesive having excellent ejection properties from an ejection dispenser and excellent stretchability after curing. This reactive hot melt adhesive contains a urethane prepolymer that is a reaction product of a polyol and a polyisocyanate. The urethane prepolymer satisfies the following conditions: Condition A: the proportion of an amorphous polyol in the entire polyol is 50% by mass or more; condition B: the equivalence ratio of the isocyanate group NCO of the polyisocyanate to the hydroxyl group OH of the polyol is 1.6 or more in terms of NCO / OH. Condition C: the proportion of aromatic rings derived from a polyol in the entire urethane prepolymer is 15% by mass or less. And condition D: the viscosity of the urethane prepolymer at 120 DEG C is 30 Pa.s or less.

The invention relates to polyhydric alcohol based on plant polyenol, a preparation method of the polyhydric alcohol and a polyurethane material, and the polyhydric alcohol comprises the following structural formula: the polyhydric alcohol is prepared by taking cardiac phenol as a raw material, and the biodegradability is good; the structure of the polyhydric alcohol comprises aromatic rings, ester groups, long-chain alkyl and hydroxyl. The polyol can significantly improve the mechanical strength and heat resistance of a polyurethane material.

The invention belongs to the technical field of traditional Chinese medicine preparations, and particularly relates to a traditional Chinese medicine preparation for treating pleural effusion and peritoneal effusion and a preparation method thereof.The traditional Chinese medicine preparation is prepared from, by weight, 10-50 parts of traditional Chinese medicine extract, 30-70 parts of filler, 5-20 parts of enteric coating material, 5-15 parts of HPMC, 0.5-2 parts of triethyl citrate and 0.25-1.5 parts of magnesium stearate; poria cocos, polyporus umbellatus, rhizoma alismatis, astragalus membranaceus, curcuma zedoary, cassia twig, oldenlandia diffusa, sculellaria barbata, semen coicis and traditional Chinese medicine extracts are used as cores, the stability of volatile drugs is improved through an inclusion technology, and the volatile drugs are entrapped in a pH intelligent response type enteric coating material composed of aromatic ring-containing vinyl monomers, ethyl acrylate, DMAEMA and MAA. The traditional Chinese medicine preparation has the synergistic effect of efficiently inducing diuresis, activating blood circulation and eliminating tumors and enteric-coated long-acting directional delivery, and is suitable for patients with pleural effusion and peritoneal effusion, especially malignant effusion.

The present disclosure belongs to the technical field of medicine, and relates to an aromatic ring and thiazodiazepine compound and use thereof, and further relates to a preparation method of the aromatic ring and thiazodiazepine compound and a pharmaceutical composition containing the compound. The present disclosure specifically relates to a compound of formula (I), a stereoisomer thereof or a pharmaceutically acceptable salt thereof and use thereof.

The invention discloses a process for catalytically synthesizing a triazine ultraviolet light absorber based on a nano molecular sieve, which comprises the following steps: preparing raw materials, preparing zeolite and a molecular sieve Y to prepare a nano molecular sieve catalyst, and synthesizing and activating the nano molecular sieve catalyst to obtain the triazine ultraviolet light absorber. The method comprises the following steps: synthesizing a nano molecular sieve catalyst by a sol-gel method, activating the catalyst by removing a template substance through high-temperature calcination, synthesizing the catalyst, adding an aniline compound and an amino compound into a reactor, adding alcohols, ketones and a non-polar solvent at the same time, and reacting at the pressure of 200 DEG C; the nano molecular sieve catalyst is used in the synthesis process, the catalyst is synthesized by a sol-gel method, and is obtained by removing a template substance through high-temperature calcination, and the high specific surface area and the unique pore structure of the nano molecular sieve can provide a larger reaction surface and enhance the contact of reactants.

This invention discloses a method for the deamination functionalization of aliphatic nitrosamines, comprising: reacting an aliphatic nitrosamine as shown in formula (II) with a nucleophile in the presence of an acid and a solvent to generate a deamination functionalized product as shown in formula (III); wherein, R 1 R 2 R 3 Each group is independently selected from hydrogen, hydroxyl, alkyl, alkoxy, alkanoyl, alkoxycarbonyl, alkylsulfinyl, alkylsulfonyl, aryl, heteroaryl, phenylalkyl, or R 1 R 2 R 3 Two or three of the functional groups form a non-aromatic ring, cage-like compound; FG is a functional group in which a nucleophile participates in the reaction. The method of this invention has the advantages of inexpensive and readily available raw materials, simple reaction conditions, and wide substrate applicability.

This invention discloses a polyolefin composite material, its preparation method, and its application. The polyolefin composite material comprises the following components by weight: 88-112 parts polyolefin resin; 0.5-4 parts organic pigment yellow; 0.1-1.5 parts phthalocyanine green; and 1-15 parts dispersing agent. The dispersing agent comprises polar-group grafted olefin polymers and / or aromatic cyclic olefin copolymers. The polar groups in the polar-group grafted olefin polymers include one or more of the following: phosphate ester groups, phosphate groups, sulfonic acid groups, sulfonate groups, carboxylic acid groups, carboxylate groups, amino groups, quaternary ammonium salt groups, amide groups, acrylic acid groups, or maleic anhydride groups. This invention, by adding specific dispersing agents to a high-chroma polyolefin system, obtains a polyolefin composite material with high chroma and good precipitation performance.

The invention provides a radiation-sensitive composition and a pattern forming method. The radiation-sensitive composition can fully exert sensitivity or pattern rectangularity, pattern circularity, exposure latitude, focal depth, development defect inhibition, LWR and CDU when forming a resist pattern, and has good storage stability. A radiation-sensitive composition comprising: an onium salt compound represented by formula (1); a polymer; and a solvent. (In formula (1), Rf represents a halogen atom or a cyano group. And n represents an integer of 0-4. When n is 2 or more, the plurality of Rf are the same as or different from each other. R1 represents a monovalent organic group having 1-20 carbon atoms, a hydrogen atom, a halogen atom, a cyano group, or an alkyl fluoride group, said monovalent organic group being bonded to the carbon atom to which R1 is bonded via-COO-,-OCO-,-SO2-,-S-,-CO-,-O-CO-O-,-CONR '-, or-NR' CO-. R'each independently represents a hydrogen atom or a monovalent hydrocarbon group having 1-10 carbon atoms; and R1 represents a carbon atom to which R1 is bonded. In the formula, when n is 0, R1 is a halogen atom or a cyano group. And R2 is a hydroxyl group, a nitro group, an amino group, a carboxyl group or a monovalent organic group with 1-20 carbon atoms. And m represents an integer of 0-4. When m is 2 or more, the plurality of R2 may be the same as or different from each other. And n + m represents an integer of 0-4. Ar is a monovalent organic group having an aromatic ring having a ring member number of 5-40. And X is methylene,-O-,-CO-or-SO2-. Wherein, when X is a methylene group, the aromatic ring of Ar is directly bonded to S + in the formula, and R1 does not include a polymerizable group. And each of R41, R42, R43, R44, R45 and R48 independently represents a hydrogen atom, a hydroxyl group, a halogen atom or a monovalent organic group having 1-20 carbon atoms. And R46 and R47 each independently represent a hydrogen atom, a hydroxyl group, a halogen atom, or a monovalent organic group having 1-20 carbon atoms, or each represents a ring structure having 3-10 ring members in which R46 and R47 are bonded to each other and are configured together with the two carbon atoms to which these are bonded.) (In the formula, R46 and R47 each independently represent a hydrogen atom, a hydroxyl group, a halogen atom, or a monovalent organic group having 1-20 carbon atoms.

A resin film for an optical film, the resin film containing a (meth) acrylate polymer and a carboxylic acid amide compound having an aromatic ring, the carboxylic acid amide compound being contained in an amount of 1000 ppm or more and 11000 ppm or less with respect to the (meth) acrylate polymer, the carboxylic acid amide compound being contained therein in the form of a crystal, and the (meth) acrylate polymer being a polymer having an aromatic ring. The crystal exhibits negative birefringence. Furthermore, a method for producing a resin film for an optical film, said method comprising a step for mixing a (meth) acrylate polymer and a carboxylic acid amide compound having an aromatic ring at a ratio of 1000 ppm to 11000 ppm (inclusive) with respect to the (meth) acrylate polymer; heating to a temperature not less than the softening temperature of the (meth) acrylate polymer and not more than the decomposition temperature of the (meth) acrylate polymer, and molding; and forming a thin film by cooling.

This invention belongs to the field of pharmaceutical preparation technology, specifically relating to an HDAC inhibitor based on a tyrosine backbone, its synthesis method, and its application. The invention uses L-tyrosine as the backbone, with its aromatic ring as the Cap region, linked by a flexible alkyl chain via an ether bond, and terminated by an isohydroxamic acid group (ZBG). The tyrosine backbone provides a rigid structure, reducing entropy loss and enhancing hydrophobic interactions with the HDAC surface. By introducing substituents (such as halogens, methyl groups, etc.) onto the tyrosine benzene ring, the affinity with the HDAC active pocket is further optimized. The prepared compound b19 exhibits an HDAC inhibition capacity of 100%. 50 The concentration reached 26.8 nM, exhibiting superior antitumor activity compared to SAHA, especially against solid tumors such as HeLa cells with IC50. 50 It is 0.55 μM.

Provided is a resin composition for photomodeling, which has excellent strength, toughness, water resistance, and stress retention in a molded article, and which has a low elution amount. The present invention relates to a resin composition for photomolding, which contains (A) a monofunctional methacrylic polymerizable compound having a plurality of independent aromatic rings, (B) a polyfunctional (meth) acrylic polymerizable compound, and (C) a photopolymerization initiator.

Provided is a photosensitive resin laminate having excellent developability of a photosensitive resin layer, and excellent adhesion and resolution of a resist pattern obtained. A photosensitive resin laminate provided with a support film and a photosensitive resin layer containing a photosensitive resin composition containing the following components: (A) an alkali-soluble polymer, (B) a compound having an ethylenically unsaturated bond, (C) a photopolymerization initiator, component (A) contains the following component: (A-1) a copolymer having a weight-average molecular weight of 25000 or less and containing a structural unit derived from a hydroxyalkyl (meth) acrylate, the content of the structural unit derived from a compound having an aromatic ring in component (A) being 50 mass% or more based on the total mass of all monomer components.

The invention discloses modified thermoplastic phenolic resin with a multi-aromatic ring structure as well as a preparation method and application of the modified thermoplastic phenolic resin. The structural formula of the modified phenolic resin with the multi-aromatic ring structure is shown as a formula I in the specification. The compound is prepared from naphthalene diphenol, phenylphenol, phenol and formaldehyde through addition condensation reaction. From the perspective of resin matrix molecular structure design, a multi-aromatic ring structure (naphthalene ring, biphenyl structure and the like) is introduced into a main chain structure, so that the content of aromatic rings in the resin molecular structure is increased, the residual carbon rate of the resin is increased, and the carbon forming quality of the resin is improved.

The invention relates to a composite comprising at least one reinforcing element having a surface comprising a copper-zinc alloy, said reinforcing element being embedded in an elastomeric composition based on at least one diene elastomer, a reinforcing filler, a sulfur-based crosslinking system comprising a metal oxide, stearic acid or one of its derivatives and a vulcanization accelerator, and a phenol-aldehyde resin based on: - at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functions in meta positions relative to each other, the two ortho positions of at least one of the hydroxyl functions being unsubstituted, and - at least one dialdehyde compound comprising two aldehyde functions, in which the phenol-aldehyde resin content ranges from 0.5 to 2 parts per million, and the mass ratio of metal oxide to stearic acid or one of its derivatives is greater than or equal to 8.

This invention discloses a carbon nanotube composite dispersant and a carbon nanotube dispersion. The carbon nanotube composite dispersant is composed of an anionic dispersant and a cationic dispersant, wherein the anionic dispersant is a small molecule containing an aromatic ring anion, and the cationic dispersant is a cationic water-soluble polymer. This invention also discloses a carbon nanotube dispersion obtained based on this carbon nanotube composite dispersant. This composite dispersant utilizes the strong electrostatic attraction between anions and cations, resulting in a carbon nanotube dispersion with advantages such as fewer defects, smaller particle size, and better conductivity, as well as being environmentally friendly and stable. This composite dispersant is based on common dispersants and has a significant cost advantage.