57 results about "Triphenylene" patented technology

The invention belongs to the technical field of polyurethane, and particularly relates to a polyurethane material for coal rock mass and a preparation method of the polyurethane material. The polyurethane material for the coal rock mass is composed of a white material and a black material according to the mass ratio of 1: 1, and the white material comprises the following raw materials: mining polyether polyol, a flame retardant and a catalyst; the black material comprises the following raw materials: a prepolymer and a flame retardant. According to the polyurethane material for the coal and rock mass, hexahydroxy triphenylene with a star-shaped molecular structure is introduced into mine polyether polyol synthesis, a highly-crosslinked star-shaped structure is formed, rigidity and flexibility are balanced, and meanwhile the crosslinking density and compressive strength of a product are improved; secondly, bisphenol A with a benzene ring structure is adopted as a raw material for synthesizing the prepolymer, the toughness and strength of the material are improved through the interaction of benzene rings, and the prepared polyurethane material is high in compressive strength and low in reaction heat and meets the requirements of the polyurethane material for coal rock mass; the invention further provides a preparation method, and the preparation process is simple.

The invention discloses a method for preparing a two-dimensional metal organic framework film through deposition on a gas-solid phase interface. The general formula structures of the three metal-organic frameworks obtained by the method are as shown in a formula I in the specification. According to the method, an organic micromolecule precursor film is prepared on a substrate through thermal evaporation of an organic precursor hexahydroxy triphenylene, and then the target metal-organic framework film is obtained through a gas-phase transportation method in a double-temperature-zone tubular furnace. According to the thought provided by the method, the preparation of the metal-organic framework on various insulating substrates is successfully realized, and a new possibility is provided for realizing the industrial preparation of the metal-organic framework device. The organic precursor is not limited to one type and is also suitable for other organic precursors, in addition, the preparation process is simple, raw materials can be selected from commercial products, and convenience is provided for further research of other scientific researchers in preparation in the field of metal-organic frameworks.

The invention provides a synthetic method of a novel flame retardant with a phosphaphenanthrene-chloropropyl synergistic structure. The preparation method comprises the following steps: synthesizing bis (1-chloro-2-propyl) phosphoryl chloride from phosphorus oxychloride and epoxypropane in a molar ratio of 1: 2 in a low-temperature condition through a micro-channel reactor, reacting with DOPO-HQ (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-yl-1, 4-benzenediol), adding a specific solvent and a catalyst, reacting to generate a crude product, filtering, washing, carrying out reduced pressure distillation, and recrystallizing to obtain the 2-(1-chloro-2-propyl) phosphoryl chloride, namely the 2-(1-chloro-2-propyl) phosphoryl chloride-DOPO-HQ (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-yl-1, 4-benzenediol). The novel flame retardant with the phosphaphenanthrene-chloropropyl synergistic structure is obtained. A phosphaphenanthrene-chloropropyl synergistic structure is designed, so that the molecular weight and the phosphorus content are improved, and the gas-phase flame-retardant and condensed carbon-forming synergistic flame-retardant effect is improved; the thermal stability and the molecular weight are improved through a molecular bridge chain (hydroquinone), and migration is inhibited. The flame retardant has excellent flame retardant property.

The present invention belongs to the technical field of polyimide composite film manufacturing, and in particular to a transparent thermoplastic polyamic acid resin, a transparent thermoplastic composite film, and its preparation method and application. The transparent thermoplastic polyamic acid resin includes a diamine monomer and a dianhydride monomer; the diamine monomer is a mixture of 2,2'-bis(trifluoromethyl)-4,4'-bis(4-aminophenylcarbonylamino)biphenyl and 4,4'-bis(3-aminophenoxy)diphenyl sulfone; the dianhydride monomer is a mixture of 2,3,3',4'-diphenyl ether tetracarboxylic dianhydride and p-phenylene-bis(triphenylene)diamine dianhydride. The transparent thermoplastic composite film provided by the present invention has both excellent light transmittance and excellent peel strength.

The present application belongs to the technical field of polymer and luminescent material, and more particularly relates to a room-temperature phosphorescent block polymer containing triphenylene-modified triarylamine groups and a preparation method and application thereof. According to the molar proportion, the room-temperature phosphorescent block polymer comprises: (a) 0.1-10% of a structural unit from an organic phosphorescent molecular monomer; (b) 40-48% of a structural unit from a macromonomer; and (c) 50-55% of a structural unit from a double-azide monomer. The room-temperature phosphorescent block polymer provided by the present application is polymerized by using a room-temperature phosphorescent molecule with a diacetylenyl group and a triphenylene structure, a macromonomer and a double-azide monomer as structural monomer units. Compared with the existing polymer generated by a physical blending method, the room-temperature phosphorescent block polymer synthesized by the present application has more excellent phosphorescent emission intensity and lifetime.

This application relates to the technical field of organic optoelectronic materials, and specifically discloses a synthesis method of a triphenylene derivative containing a triazine structure, which includes the following steps: (1) Under an inert atmosphere, add a halo-substituted triazine derivative, solvent I, base I, solvent B into a glass reaction flask, stir evenly, then add a biphenyl boronic halide, and then add catalyst I. After stirring evenly, add ligand I. After the reaction is completed, intermediate 1 is obtained through post-treatment; (2) Under an inert atmosphere, add intermediate 1, solvent II, base II, and a boron-containing reagent into a glass reaction flask, stir evenly, then add catalyst II and ligand II. After the reaction is completed, it is obtained through post-treatment; This application provides a synthesis method of a triphenylene derivative containing a triazine structure. Compared with the traditional synthesis of triphenylene, this method has the characteristics of low raw material cost, simple operation steps, high yield, etc., and is suitable for rapidly constructing triphenylene compounds.

The invention discloses triptycene amino polyether polyol with a branched three-dimensional structure as well as a preparation method and application of the triptycene amino polyether polyol. The triptycene amino polyether polyol has a structural expression as shown in the specification; the triptycene amino polyether polyol provided by the invention is applied to preparation of rigid polyurethane foam, a foam structure with uniform pore size distribution and complete foam wall can be generated, and the mechanical property and long-term stability of the foam are improved;

This invention relates to the field of optical sensing and imaging detection technology, specifically to a triphenylene-oxanthracene derivative, its preparation method, and a fluorescent probe for viscosity detection. The triphenylene-oxanthracene derivative has the general formula shown in Formula I. Compared to Rhodamine B, the synthesized triphenylene-oxanthracene derivative exhibits a larger Stokes shift. Furthermore, the fluorescence intensity of the triphenylene-oxanthracene derivative increases with increasing cell viscosity. In addition, the triphenylene-oxanthracene derivative can be further used to detect mitochondrial viscosity, exhibiting good mitochondrial targeting. In summary, the probe improves the Stokes shift, has a wide optical response pH range, and possesses excellent mitochondrial targeting.

The present invention belongs to the field of chemical engineering and discloses a method for preparing a novel covalent organic framework photoelectrocatalyst and the photoelectrocatalyst thereof. The method comprises reacting bromophenylporphyrin with phenylboronic acid to obtain an aldehyde group, thereby obtaining biphenylporphyrin (PP). Triphenylene (TC) reacts with ammonium cerium nitrate under a palladium-carbon catalyst to obtain an amino group, thereby obtaining diaminotriptycene (TAT). Under acidic conditions, the aldehyde group of the biphenylporphyrin (PP) and the amino group of the diaminotriptycene (TAT) react with each other to form a -C=N- bond, forming a stable Schiff base structure. This novel covalent organic framework photoelectrocatalyst can photoelectrocatalyze the production of urea from CO2 and nitrite, and exhibits advantages such as physical and chemical stability, good dispersibility, minimal environmental impact, and low cost.

A compound having a structure of Formula Iis disclosed, where at least one of R1 and R2 that is ortho to a boron atom of Formula I comprises a structure selected from (9-carbazolyl)-carbazole, indolocarbazole, triphenylene, fluorene, dibenzothiophene, dibenzofuran, dibenzoselenophene, pyridine, pyrimidine, triazine, aza-triphenylene, aza-fluorene, aza-carbazole, aza-dibenzothiophene, aza-dibenzofuran, and aza-dibenzoselenophene.

The invention relates to an OLED material and application thereof. The OLED material provided by the invention adopts N-substituted triphenylene as an electron acceptor and carbazole and a derivative thereof as electron donors, is a main body material of long-life triplet excitons, can limit high-energy excitons, and has sub-second triplet lifetime. When the material is used as a luminescent layer main body material of a luminescent device, relatively high device efficiency can be obtained, and the service life is relatively long.

The invention provides a triphenylene compound, an intermediate, a composition and an organic electroluminescent device. The triphenylene compound has a structure as shown in a formula I or a formula II. The structure of the triphenylene compound is designed, so that the triphenylene compound is suitable for being used as a main body material of a phosphorescent light-emitting layer of the organic electroluminescent device, and the organic electroluminescent device has relatively low driving voltage, relatively high current efficiency and relatively long service life.

The present application belongs to the technical field of organic electroluminescent material, and relates to a pyrene-containing compound and application thereof in an organic electroluminescent device. The pyrene-containing compound of the present application takes a combination of fluorene and adamantane and pyrene as a mother nucleus, and is combined with pyrene, triphenylene, chrysene, phenanthrene and other fused ring molecules at specific positions to form a fused ring structure with certain rigidity and molecular twist. The compound has suitable HOMO, LUMO and T1 values, and is suitable for use as a blue light host material. The pyrene-containing compound of the present application is used as a blue light host material in an organic electroluminescent device, plays a key role in improving the luminance efficiency, service life and other performances of the device, and improves the luminance efficiency of the device by 9.4-38.5% and prolongs the service life of the device by 22.8-68.7%.

The application relates to the technical field of electrochemical materials, and discloses a nitrogen heterocyclic covalent organic framework material with a chemical formula of (C 42 H 18 N 12 ) n , wherein n is a positive integer greater than or equal to 4; a preparation method thereof comprises the following steps: S1: under an inert atmosphere, six nitrogen heterocyclic triphenylene-2,3,8,9,14,15-hexahalogen-substituted compounds, 2,3,6,7,10,11-hexaaminotriphenylhexa-hydrochloride, a deprotonation reagent, bis (1,5-cyclooctadiene) rhodium (I) tetrafluoroborate and 1,3-diisopropylimidazole chloride are added into an organic solvent in a molar ratio of 1:(1-1.5):(9-18):(0.02-0.12):(0.04-0.25), are uniformly mixed, are reacted at 50-150 DEG C for 1-7 days, are naturally cooled to room temperature, are filtered to collect precipitates, and a crude product is obtained; S2: the crude product in S1 is washed and dried to obtain the nitrogen heterocyclic covalent organic framework material; and the material is applied to lithium ion battery negative electrode materials and positive electrode materials. The scheme solves the problems of poor rate performance and limited application range of existing covalent organic framework materials.

Compound selected from the group consisting of: where XO, S or Se; where R1, R2 and R a are independently selected from hydrogen, deuterium, alkyl, alkoxy, amino, alkenyl, alkynyl, arylkyl, aryl and heteroaryl; where each of R1 and R2 can represent mono-, di-, tri- or tetrasubstitution; where at least two substituents of R1 or R2 are fused to form a ring; where R a represents mono- or di-substitutions that cannot fuse to form a benzo ring; where L represents a spacer or a direct bond with the benzofuran, benzothiophene, or benzoselenophene residue with additional fused rings; wherein R'1, R'2 and R'3 are independently selected from the group consisting of hydrogen, deuterium, alkyl, alkoxy, amino, alkenyl, alkynyl, arylcyl, aryl and heteroaryl; and where each of R'1, R'2 and R'3 can represent mono-, di-, tri- or tetrasubstitution.

The invention discloses a composite cross-linked hole transport layer based on a benzophenanthrene derivative and a preparation method thereof, two molecules based on a benzophenanthrene mother nucleus are designed and synthesized, and through molecular design of the multifunctional benzophenanthrene derivative and optimization of a composite cross-linking process, F-HAT has a fluorine atom side chain to enhance intermolecular force, so that the hole transport layer is formed. Regulating and controlling the temperature interval of the molecular liquid crystal phase; v-HAT is provided with a side chain containing an alkenyl double bond, and a cross-linking reaction can be spontaneously carried out. A one-dimensional carrier transmission channel is constructed in the cross-linked network, and the hole mobility is improved to 3.48 * 10 <-2 > cm < 2 > V <-1 > s <-1 >; the crosslinking temperature is reduced to 80-100 DEG C, thermal decomposition of a perovskite layer (such as MAPbI3) is avoided, and the method is suitable for heat-sensitive substrates (such as PET and PI); cooperative optimization of high mobility, high stability and low temperature process of the hole transport layer is realized, and a solution with performance, cost and environmental benefits is provided for commercialization of perovskite solar cells.

The invention belongs to the technical field of materials, and particularly discloses a photocuring 3D printing formula of a high-strength workpiece containing triphenylene disc-shaped conjugated liquid crystal, the high-strength workpiece and a preparation method of the high-strength workpiece. The printing formula comprises a curing monomer, a cross-linking agent and a photoinitiator; the curing monomer comprises a liquid crystal monomer and a hydrogel monomer, and the cross-linking agent is triphenylene disc-shaped conjugated liquid crystal; the photocuring liquid crystal prepolymer system capable of being used for digital light processing (DLP) 3D printing is prepared according to the formula. DLP 3D printing equipment is used for layer-by-layer curing forming under ultraviolet irradiation, and the subsequent curing treatment and solvent replacement process are combined, so that an intelligent response type printing model with good three-dimensional structure precision, high thermotropic strength performance and a liquid crystal ordered structure is obtained. By regulating and controlling the proportion of the liquid crystal material to the hydrogel material, precise regulation and control of the mechanical strength and the like of a workpiece can be achieved, and the application potential of the disc-shaped liquid crystal material in flexible intelligent devices is expanded.

The invention belongs to the technical field of organic light-emitting materials and semiconductors, and particularly relates to an asymmetric triptycene compound and an electroluminescent device. According to the invention, triptycene is taken as a matrix, and the asymmetric triptycene compound is obtained by substituting a site 1 and a site 8 of the triptycene; the structural formula of the asymmetric triptycene compound is shown in the specification. The asymmetric triptycene compound is used as a guest luminescent material, and the prepared electroluminescent device has narrower half-peak width, higher luminous efficiency and longer service life. .

Provided are a novel organic compound and a light-emitting device using the same. One embodiment of the present invention is an organic compound having a benzofuranopyrimidine skeleton or a benzothienopyrimidine skeleton, a first substituent and a second substituent, the first substituent representing a carbazole skeleton, the second substituent representing a benzothienopyrimidine skeleton, and the third substituent representing a benzothienopyrimidine skeleton. The second substituent represents any one of a carbazole skeleton, a dibenzofuran skeleton, a tetraphenylsilane skeleton, and a triphenylene skeleton, the first substituent is bonded to a pyrimidine ring of the benzofuranopyrimidine skeleton or the benzothienopyrimidine skeleton, and the second substituent is bonded to a benzene ring of the benzofuranopyrimidine skeleton or the benzothienopyrimidine skeleton.

An organic light-emitting device and a flat panel display device, the organic-light emitting device including an anode; a cathode; and an organic layer therebetween including an emission layer, a hole transport region between the anode and the emission layer, the hole transport region including at least one of a hole injection layer, a hole transport layer, and an electron blocking layer, an electron transport region between the emission layer and the cathode, the electron transport region including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer, and a buffer layer between the emission layer and the electron transport region, wherein the buffer layer includes a biscarbazole-based derivative and triphenylene-based derivative, and a triplet energy (ET1) of the biscarbazole-based derivative or the triphenylene-based derivative and a triplet energy (ET2) of a dopant of the emission layer satisfy the following relationship:ET1>ET2.

The application belongs to the technical field of OLED and specifically comprises an organic compound for a double light-emitting layer blue light device and a double light-emitting layer blue light organic electroluminescent device comprising the same. The structural general formula of the organic compound is shown in the following. By introducing a triphenyleno[1,12-bcd]furan group on a benzanthracene nucleus, the benzanthracene nucleus has a rigid planar structure, weak electron-withdrawing ability, and excellent thermal stability and chemical stability. In addition, the triphenylene skeleton also has an energy level structure suitable for a multi-channel high-energy level reverse intersystem crossing process. After connecting the triphenyleno[1,12-bcd]furan structure and the benzanthracene nucleus directly, the HOMO and LUMO energy levels of the material can be regulated, the carrier injection barrier is reduced, and the prepared double light-emitting layer device has a significant improvement in voltage, efficiency and lifetime.I.

A novel organic compound and a light-emitting device using the organic compound are provided. The organic compound includes a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton, a first substituent, and a second substituent. The first substituent represents a carbazole skeleton. The second substituent represents any of a carbazole skeleton, a dibenzofuran skeleton, a tetraphenylsilane skeleton, and a triphenylene skeleton. The first substituent is bonded to a pyrimidine ring included in the benzofuropyrimidine skeleton or the benzothienopyrimidine skeleton. The second substituent is bonded to a benzene ring included in the benzofuropyrimidine skeleton or the benzothienopyrimidine skeleton.

The invention relates to the technical field of MOF composite materials, and discloses an MOF-on-MOF material, a preparation method and electrochemical energy storage application of the MOF-on-MOF material. The method comprises the following steps: by taking terephthalic acid and 2, 3, 6, 7, 10, 11-hexaamino triphenylene as organic ligands, growing a two-dimensional Ni-BDC nanosheet on the surface of foamed nickel in situ through a solvothermal method; and then loading a two-dimensional conjugated MOF material Co-HITP on the surface of the MOF material by adopting a gas-liquid interface method to form a Co-HITP-on-Ni-BDC composite material, namely an MOF-on-MOF material. The preparation process is green and environment-friendly, is simple and convenient to operate, and can be used for successfully preparing the MOF-on-MOF metal organic framework material under the condition of lattice mismatch. The obtained MOF-on-MOF material has rich active sites of the Ni-BDC ultrathin nanosheet and excellent conductivity of the Co-HITP two-dimensional conjugated structure, has good electrochemical performance due to the synergistic effect of the Ni-BDC ultrathin nanosheet and the Co-HITP two-dimensional conjugated structure, and has remarkable application potential in the field of energy storage.

The invention relates to organic electroluminescent materials and devices. Disclosed is an organic compound that can improve the performance of a phosphorescent organic light-emitting device containing indolocarbazole as an electron donor linked to an electron acceptor such as aza-triphenylene or dibenzoquinoxaline.

The application discloses a kind of chlorinated fullerene-based positive electrode materials and its preparation method and application, and positive electrode material includes metal-organic framework material and filled in its pore channel chlorine and fullerene derivative.Metal-organic framework material is generated by metal-organic precursor and the reaction of containing triphenylene ligand.Metal-organic precursor is generated by containing imidazole ligand, chlorinated fullerene and the reaction of metal ion.In charge and discharge process, the pore structure of metal-organic framework material forms space confinement to charging product chlorine, and the strong electron acceptor characteristics of fullerene derivative forms chemical adsorption to discharge product chloride ion, realizes the double fixation of charging and discharging product.Metal-organic framework material skeleton contains triphenylene ligand with high electron delocalization performance, while metal-organic framework material pore fills conductive fullerene derivative, realizes the double promotion of positive electrode material conductivity, applied to aqueous zinc-chlorine battery, and can effectively improve the cycle performance of positive electrode material.

The invention discloses a donor-receptor supramolecular compound as well as a preparation method and application thereof. The donor-acceptor supramolecular compound is formed by supramolecular self-assembly of donor molecules and acceptor molecules according to a molar ratio of 1: 1, and the donor molecules are any one of trans-1, 2-stilbene, naphthalene, anthracene, pyrene, triphenylene, perylene, carbazole, 9, 9-dimethyl acridine, phenoxazine, 2, 3, 6, 7, 10, 11-hexamethoxy triphenylene, tetrathiafulvalene or dibenzotetrathiafulvalene; the receptor molecule is 1, 4, 5, 8, 9, 11-hexaazabenzonitrile, and the receptor molecule is 1, 4, 5, 8, 9, 11-hexaazabenzonitrile. The donor-acceptor supramolecular compound obtained by the invention not only has near-infrared long-wavelength absorption, but also has a wide absorption range; in addition, the material also has relatively high photothermal conversion performance and relatively good photothermal stability, and has a good application prospect in the aspect of heater materials.

The application discloses a method for preparing conjugated macromolecular triphenylene from a biomass platform compound, comprising the following steps: under the action of a photocatalyst and light, converting a stilbene substance from a trans structure to a cis structure in a solvent, and then performing a cyclization reaction and a D-A cycloaddition reaction with a diene to obtain a conjugated macromolecular triphenylene; the method is a photocatalytic synthesis method using a biomass-derived stilbene, pentadiene or substituted pentadiene, furan or substituted furan as raw materials, and compared with an original synthesis route, the method has high product selectivity, a simple separation process, and the raw materials can be derived from biomass resources, and the dependence on petroleum resources can be reduced.

The invention provides a triphenylene compound, an intermediate and an organic electroluminescent device. The triphenylene compound has a structure as shown in a formula I. The structure of the triphenylene compound is designed, so that the triphenylene compound is suitable for being used as a main body material of a light-emitting layer of the organic light-emitting device, and the organic light-emitting device has relatively low driving voltage, relatively high current efficiency and relatively long service life.

The invention provides a triphenylene compound, an intermediate and an organic electroluminescent device. The triphenylene compound has a structure as shown in a formula I. The structure of the triphenylene compound is designed, so that the triphenylene compound is suitable for being used as a main body material of a light-emitting layer of the organic light-emitting device, and the organic light-emitting device has relatively low driving voltage, relatively high current efficiency and relatively long service life.