67 results about "Phenylene" patented technology

A paving material composition containing: an epoxy resin; an epoxy resin curing agent containing a reaction composition (A) containing a reaction product of styrene and a polyamine compound represented by the following formula (1); and an aggregate.wherein X is a phenylene group.

The application relates to a nitrogen-containing organic compound, a perovskite solar cell and a preparation method thereof and an electric device. The structure of the nitrogen-containing organic compound is shown in the figure; the structure of Ar is shown in the figure; the structure of L1 is shown in the figure; the N atom in formula (III) is connected with L2; L2 is selected from one of C2-C8 alkylene, phenylene, naphthylene and biphenylene; L3-L4 are independently selected from one of a bond, a single bond, O, S and -C(R7)2-; R1 is selected from one of phosphonic acid, carboxylic acid and cyanophosphonic acid; R2 is selected from one of phenyl, substituted phenyl, pyridyl, anilino and benzoyl; R7 is selected from one of hydrogen and C1-C4 alkyl; m, n and p are independently selected from integers of 0-3, and q is selected from integers of 0-4. The anchoring ability, carrier transport ability and defect passivation ability of the nitrogen-containing organic compound are high, and the stability under the action of light and heat is high.

The application belongs to the technical field of lithium ion batteries, and discloses a poly-m-phenylene isophthalamide-based electrostatic spinning flame-retardant separator and application thereof. The m-phenylene isophthalamide-based electrostatic spinning separator, namely PMIA-based electrostatic spinning separator, is prepared by mixing modified PZS microspheres, PMIA and an organic solvent, and then adopting an electrostatic spinning method. The modified PZS microspheres are prepared by in-situ growth of an inorganic layer SiO2 on the surface of polyphosphazene PZS microspheres with flame-retardant properties. The polyphosphazene PZS microspheres are prepared by a polymerization reaction between tannic acid and hexachlorocyclotriphosphazene. The spinning separator prepared by the application has very excellent porosity, liquid absorption rate and ionic conductivity, and good thermal stability and flame retardancy.

An aromatic polysulfone having repeating units comprising the structure represented by the following general formula (S-1) and terminal structures represented by the following general formula (Se-1). -ph 1 -SO2-ph 2 -O- (S-1) [In formula (S-1), ph 1 and ph 2 Each can be independently a phenylene group that may have substituents. [(Ra)] x -Ar-O- (Se-1) [In formula (Se-1), Ar is an aromatic hydrocarbon group that may have substituents; Ra is a salt of sulfonic acid group or sulfonic acid group; x is an integer greater than 2, and multiple Ra can be the same or different.]

This invention discloses a phenylenediamine polyisocyanate composition and its applications. The composition comprises phenylenediamine polyisocyanate, a compound formed from phenylenediamine polyisocyanate and a small molecule polyol, a specific compound, and a solvent, wherein the specific compound has a mass content of 0.2-500 ppm. By controlling the content of the specific compound in the composition, the reactivity of the composition and the freshness of the product can be improved.

This application discloses an organic electroluminescent device and its application in display or lighting devices, as well as a light-emitting layer material, relating to the field of organic electroluminescent devices. The organic electroluminescent device includes: a first electrode; a second electrode disposed opposite to the first electrode; and a light-emitting layer located between the first electrode and the second electrode. The light-emitting layer comprises a host material, and the host material comprises different deuterated derivatives of the compound shown in Formula 1. In Formula 1, Ar1 is phenyl, Ar2 is phenylene, and Ar3 is selected from hydrogen or phenyl. This application can significantly improve the device lifetime by controlling the average deuteration rate of deuteratizable hydrogens of Ar1 and anthracene group, and Ar2 / Ar3 and carbazole group in the compound of Formula 1 to a specific range.

The application discloses a luminescent coordination polymer crystal material based on a tetraphenylethylene pyridine ligand and a preparation method and application thereof, the chemical formula of the luminescent coordination polymer crystal material is [Cu(L)SCN.DMSO]n, wherein L is a 4.4'-[(2,2-diphenyl ethylene)di-4.1-phenylene]bis[pyridine] ligand, and n is an arbitrary value; wherein a Cu ion forms a two-dimensional structure with the 4.4'-[(2,2-diphenyl ethylene)di-4. n The crystal material can be used for fluorescence quenching detection of water-phase methyl orange; compared with the prior art, the crystal material is simple and reliable in application, the quenching constant of the crystal material for detecting water-phase methyl orange is as high as 1.9*10 6 M ‑1 , and the detection limit is as low as 0.019 mu M, so the crystal material is a luminescent coordination polymer crystal material for extremely sensitive detection of methyl orange at present and has a wide application prospect.

The present disclosure relates to an etching liquid comprising: an alkaline compound (A); and at least one compound (B) selected from the group consisting of a thiol compound (B1) and a nonionic surfactant (B2) represented by Formula (1) below, wherein ER110 / ER100≥0.5, where ER110 is an etching rate of a (110) plane of a silicon crystal, and ER100 is an etching rate of a (100) plane of the silicon crystal, R1XO—(CmH2mO)n—R2 (1), where R1 is an alkyl group having 7 or more carbons, R2 is a hydrogen atom or an alkyl group, X is a single bond or a phenylene group, m is an integer of 1 to 6, and n is from 4 to 25.

To provide a propylene-based resin composition with excellent transparency and moldability, and a molded article made from the resin composition. [Solution] A propylene-based resin composition characterized by blending 0.02 to 0.9 parts by weight of a clearing nucleating agent (A) represented by the following chemical structural formula (1) with 100 parts by weight of a propylene-based polymer. JPEG2026104792000022.jpg45169 [In general formula (1), X 1 , X 2 and X 3 Each of the symbols represents an unsubstituted or substituted phenylene group, and *, **, and *** represent sites that bond with other atoms.

The purpose of the present invention is to provide: a melt-extrusion-molded poly(phenylene ether) body which dissolves in solvents and, after having dissolved in the solvents, produces less insoluble matter; and a production method for the melt-extrusion-molded poly(phenylene ether) body. This melt-extrusion-molded poly(phenylene ether) body includes a poly(phenylene ether) component, and is characterized in that: the poly(phenylene ether) component has, among consecutive repeating units arranged by para-position bonding, a dislocation structure connected by ortho-position bonding, the amount of the dislocation structure being 3.0 mol% or larger with respect to all the poly(phenylene ether) structural units in the poly(phenylene ether) component; and that in an examination by infrared spectroscopy, the absorbance height ratio (C / B) between the absorbance height B at a wavenumber of 1,600 cm-1 assignable to skeletal vibration due to stretching between carbon atoms of the benzene ring and the absorbance height C at a wavenumber of 1,650 cm-1 assignable to C=O stretching vibration is 0.04 or less.

Providing an unsaturated group-containing amino resin from which a cured product with a low dielectric tangent can be obtained. 【Solution means】The unsaturated group-containing amino resin contains a structure represented by formula (1). n is an integer of 1 or more, and R 1 is a group represented by formula (2), and R 2 is a crosslinking group. R 3 is an organic group having at least one unsaturated group selected from the group consisting of a vinylbenzyl group, an alkenyl group having 2 to 20 carbon atoms, an acryloyl group, and a methacryloyl group, or a hydrogen atom, and Ar 1 is a phenylene group or a naphthylene group, and Ar 2 is a phenylene group, a naphthylene group, or a group represented by formula (3). R 4 is the organic group having the unsaturated group or a hydrogen atom, and Ar 3 and Ar 4 are each independently a phenylene group or a naphthylene group. R 3 and R 4 In at least a part of them, they are organic groups having the unsaturated group. [Chemical formula 1] TIFF2026092925000027.tif29170

Provided is a photosensitive resin composition containing: (A) a silicone resin having a silphenylene skeleton, a polysiloxane skeleton, and a fluorene skeleton in the main chain and a urethane bond, a carboxy group, and an acryloyl group or methacryloyl group in the side chain; and (B) a photoinitiator.

This invention discloses a covalent molecular nanotube, its preparation method, and its applications. The covalent molecular nanotube has a three-dimensional tubular structure with a cavity, formed by repeating units as shown in Formula I. In this invention, rigid ring-p-phenylene oxides are used as the core building blocks, giving the covalent molecular nanotube radial conjugation and inherent cavity structural characteristics. The radial dimension of the material is controlled by adjusting the number of repeating units. Boronate bonds are used as connecting units to efficiently drive the axial connection of the ring-p-phenylene oxides, and the substituent Q is controlled... 4 The selection of functional groups enables the modular and customized synthesis of covalent molecular nanotubes of different sizes and structures. Furthermore, it has been found that these covalent molecular nanotubes have a large specific surface area and possess nanopores, thus showing potential applications in gas separation and storage.

This invention belongs to the technical field of crystalline materials, and discloses a praseodymium-based complex crystalline material, its preparation method, and its fluorescence recognition application, with the chemical formula {[Pr(L 1.5 The compound is 2,2'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)bis(sulfonyl)diethyl)benzoic acid. The preparation method involves dissolving Pr(NO3)3·6H2O, H2L, and the auxiliary uncoordinated ligand 1,4-bis(imidazol-1-yl)benzene in a DMF / ethanol / water mixed solvent, reacting at 90°C for 3 days, and then cooling to obtain plate-like crystals. This material is effective against Fe... 3+ It exhibits highly selective and sensitive fluorescence quenching response with a quenching rate of 99.8%; it can specifically recognize ethoxyquinoline (fluorescence enhancement) and 2,4-dichlorophenoxyacetic acid (fluorescence quenching); it can specifically recognize the antibiotic oxytetracycline with a fluorescence quenching rate exceeding 99%.

This invention relates to a coating solution for composite lithium-ion battery separators, a composite lithium-ion battery separator, and a method for preparing the same. The coating solution for composite lithium-ion battery separators comprises: (A) poly(p-phenylene terephthalamide); (B) an organic solvent, which is at least one selected from hexamethylphosphoramide and tetramethylurea; (C) a co-solubilizing salt, which is at least one selected from lithium chloride and calcium chloride; and (D) an additive, which is at least one selected from ceramic powder and polymer binder. The coating solution for composite lithium-ion battery separators exhibits good stability. The composite lithium-ion battery separator possesses good air permeability, heat resistance, and good compatibility with the electrolyte, making it suitable for lithium-ion batteries. The preparation methods for both the coating solution and the composite lithium-ion battery separator are simple, convenient, and have low production costs.

This invention discloses a method for preparing and applying a hydrogen-bonded crosslinked polyimide energy storage material, belonging to the field of insulating materials. The invention addresses the problems of insufficient conductivity, low utilization of active sites, and difficulty in simultaneously achieving low ionic conductivity and mechanical strength in traditional polyimides. The method involves adding 4,4'-[1,4-phenylbis(oxy)]bis[3-(trifluoromethyl)aniline] to N,N-dimethylacetamide and ultrasonically stirring until homogeneous. Then, pyromellitic dianhydride is added in batches and stirred until viscous to obtain solution A. Next, 2,2-bis(4-hydroxy-3-aminophenyl)propane is added to N,N-dimethylacetamide and ultrasonically stirred until homogeneous. Then, p-phenylene-bisphenyltriterpenoid dianhydride is added and stirred until viscous to obtain solution B. Finally, solution B is added to solution A, and the mixture is stirred thoroughly at room temperature to ensure complete reaction. Vacuum is then applied, followed by coating, gradient temperature curing, and peeling to obtain the final product. The material is applicable to high-frequency electronic packaging, high-temperature energy storage capacitors, flexible transparent electronic devices, and aerospace special engineering fields.

This invention discloses a polyester material, a heat-shrinkable film, its preparation method, and its applications. The raw materials for preparing the polyester material include a diacid, a diol, a chain extender, a stabilizer, and a catalyst; wherein the diacid comprises: 90 mol%~95 mol% polyterephthalic acid and 5 mol%~10 mol% isophthalic acid; the diol comprises: 65 mol%~78 mol% ethylene glycol, 18 mol%~28 mol% 1,4-cyclohexanediol, and 4 mol%~12 mol% diethylene glycol; the chain extender is 2,2'-(1,3-phenylene)-dioxazoline, added in an amount of 0.2%~0.8% of the total mass of the diol and the diacid; the molar ratio of carboxyl groups to hydroxyl groups in the diacid and the diol is 1:1~1.05. The polyester material of this invention possesses excellent transparency, shrinkage rate, and strength, and has a low initial shrinkage temperature, making it particularly suitable for applications such as heat-shrinkable films. This invention also provides a heat-shrinkable film, as well as the polyester material, a method for preparing the heat-shrinkable film, and their applications.

This invention relates to the field of lithium-ion battery materials technology, and discloses a gradient aramid composite coating separator and its application in lithium-ion batteries. The separator consists of a porous ultra-high molecular weight polyethylene base membrane, a pure aramid underlayer coated on one side, and a composite surface layer. The pure aramid underlayer is made of poly(m-phenylene isophthalamide) and polyvinylpyrrolidone, serving as a flexible buffer layer to dissipate interfacial shear stress. The composite surface layer contains surface-aminated modified nano-ceramic particles, serving as a high-modulus layer to resist external particle puncture. During preparation, the surface slurry is coated onto the semi-dry gel-state underlayer through wet-on-dry coating. Combined with a non-solvent-induced phase separation mechanism, the aramid polymer chains at the interface of the two layers undergo interpenetrating diffusion and in-situ solidification and locking. This invention constructs a continuous mechanical modulus gradient transition structure without physical phase interfaces between the layers, improving the interlayer bonding strength and puncture resistance of the separator, and preventing coating peeling and delamination.

This invention provides a method for preparing 2,2'-(1,4-phenylene)bis-4H-3,1-benzoxazin-4-one, relating to the field of compounds. The preparation method of this invention includes the following steps: (1) reacting anthranilic acid with terephthaloyl chloride in an organic solvent to generate intermediate A; (2) centrifuging the reaction product of step (1) to separate the wet crystalline intermediate A and the centrifugal mother liquor; (3) performing a cyclization reaction between the wet crystalline intermediate A from step (2) and acetic anhydride; (4) centrifuging, washing, and drying the reaction product of step (3) to obtain the target 2,2'-(1,4-phenylene)bis-4H-3,1-benzoxazin-4-one product. This invention prepares 2,2'-(1,4-phenylene)bis-4H-3,1-benzoxazin-4-one with not only low yellowness values ​​and high purity, but also high yield. The preparation method of the present invention has significant industrial value, and is particularly applicable to the field of polymer material additives where strict requirements are placed on product purity and yellowness.

A poly(phenylene ether) copolymer comprising first repeating units comprising a C1-6alkyl(C6-30cycloalkenyl) pendant group; second repeating units different from the first repeating units; a copolymer of Formula (3); and optionally, at least one terminal functional group comprising (meth)acrylate, styrene, —CH2—(C6H4)—CH═CH2, allyl, cyanate ester, glycidyl ether, anhydride, aniline, maleimide, an activated ester, or a combination thereof.

The present invention relates to the use of the compound of the formula (I) where the variables are as defined in the claims and the description, or of a mixture thereof, as a monomer for producing a thermoplastic resin selected from polyesters, polycarbonates and polyestercarbonates. The invention relates moreover to compounds (I), except for compounds where A1 and A2 are both unsubstituted 1,4-phenylene, p and q are both 0, and X1 and X2 are both —CH2OH or —C(O)OH, and except for the compound where A1 and A2 are both unsubstituted 2,3-quinolinylene, p and q are both 0, and X1 and X2 are both —CH2OH.

This invention provides a compound, composition, and organic electroluminescent device. In the N-type material structure of this invention, the phenylene groups of the bridged triazine and diphenyl-substituted deuterated carbazole groups are connected to the N phase of the electron-donating phase, resulting in relatively high activity. Therefore, replacing the protium atom with a deuterium atom can effectively improve the stability of the material, thereby increasing its lifetime. The N-type material of this invention can form a good premix material with the P-type compound of this invention, exhibiting good P / N stability and mass production stability during the evaporation process. Furthermore, the formed premix material has a more balanced carrier mobility, thus significantly improving the device's efficiency and lifetime.

This invention discloses a high-temperature resistant polyamide resin and its synthesis method. The high-temperature resistant polyamide resin is synthesized from the following raw materials: 1,5-pentanediamine, terephthalic acid, glutaric acid, phosphoramide salt, 2,2'-(1,3-phenylene)-dioxazoline, organic carbon nanotubes, benzoic acid, and a high-temperature resistant antioxidant. This high-temperature resistant polyamide resin possesses excellent mechanical properties, flame retardant properties, and electromagnetic shielding properties, and can be widely used in communication devices requiring flame retardancy and electromagnetic shielding.

This invention discloses a polyether polyol for the synthesis of waterborne polyurethane dispersions and its synthesis method, relating to the field of fine chemicals. Using phenylene oxide, ethylene oxide, and propylene oxide as comonomers, water and glycerol as initiators, and potassium alkoxide as a catalyst, a polyethylene glycol containing benzene rings in its side chains is prepared. This polyether polyol, used in the synthesis of waterborne polyurethane dispersions, can replace a portion of the polyester polyol, achieving the same performance. Furthermore, the emulsion remains stable over a long period, exhibits significantly improved hydrolysis resistance, and demonstrates good adhesion.

The invention relates to the technical field of solar cells, and discloses a preparation method of a full-benzene-ring rigid distorted framework self-assembly material (Ph-CbzPPA) and application of the full-benzene-ring rigid distorted framework self-assembly material in a perovskite solar cell, and the full-benzene-ring rigid distorted framework self-assembly material is characterized in that the Ph-CbzPPA uses a dip-coating cooperation strategy to form a thin film which is used as a hole transport layer of the perovskite solar cell; compared with the conventional hole self-assembly material in the market, the hole self-assembly material has the advantages that Ph-CbzPPA molecules have strong interaction, and multistage clusters are effectively inhibited in a solution, so that a uniform and stable monodisperse solution is formed; a substrate is simply immersed in a uniform self-assembly molecular solution by using a dip-coating method to obtain a high-coverage, uniform and high-quality hole transport layer, large-area preparation is more facilitated, and the collaborative strategy reduces interface defect points, optimizes energy level arrangement and promotes extraction of current carriers at the same time.

Provided is a low dielectric constant resin-forming composition that has improved low dielectric characteristics while maintaining high heat dissipation characteristics (thermal conductivity) or, if possible, improving such characteristics, and while maintaining solubility in solvents or in other low dielectric resins.　This low dielectric constant resin-forming composition contains a liquid crystal compound that is represented by formula (1) and that has polymerizable groups at both terminals. When a cured product is obtained by curing the composition without adding thereto an inorganic filler, the relative permittivity of the cured product at 10 GHz is lower than 3.0. Z1 and Z2 each represent a single bond or an alkylene having 1 or 2 carbon atoms, A1, A2, and A3 each represent 1,4-cyclohexylene or 1,4-phenylene, R1a and R1b each represent a group selected from polymerizable groups represented by formulae (PG-1a), (PG-1b), and (PG-1c), and p represents an integer of 0-2. m represents an integer of 1-12, n represents an integer of 0-12, and Y represents hydrogen or methyl.

This invention discloses an amino compound with a benzophenanthrene furan group and an organic light-emitting device, selected from compounds of formula 1: Al-A 10 One of the groups is derived from Formula 2, where * represents a bond connected to the basic skeleton in Formula 1. When A2 is derived from a group in Formula 2, L1 is a para-phenylene group, R1 and R2 are derived from single bonds, substituted or unsubstituted C5-C24 aromatic hydrocarbon groups, substituted or unsubstituted C5-C24 heteroaromatic hydrocarbon groups, and Ar1 and Ar2 are derived from C5-C30 aromatic hydrocarbon groups, substituted or unsubstituted C5-C30 heteroaromatic hydrocarbon groups. In this invention, the triarylamine is para-linked to a transition benzene ring with benzo[a]phenanthrenefuran. This benzene ring linkage enhances the overall stability of the target molecule, strengthens the conjugation of the molecule, and increases the stacking property of the molecule in organic light-emitting materials. This invention also sets phenanthrene, naphthyl, or dibenzothiophene groups on the other two substituents of the triarylamine, affecting the electron affinity and electron transport properties of the triarylamine and further extending its lifespan.

The application discloses a conjugated extended asymmetric viologen derivative, a preparation method and application thereof, and the viologen derivative comprises a compound shown in a general formula (I): wherein Ar is one of 1,4-phenylene, 1,5-naphthylene, anthracene, pyrene, tetramethylphenylene and tetrafluorophenylene; R1 is one of propionic acid, hexanoic acid, octanoic acid and 3-ethoxypropionic acid; and R2 is one of dodecyl, hexadecyl, octadecyl and 2-hexyldecyl. The application effectively solves the technical problems of a wide energy gap, a low conjugation degree, poor light emitting performance of a viologen electrochromic material in the prior art, and a fragile assembly structure and single performance of a viologen-pyrenium system.