98 results about "Naphthylamine" patented technology

The invention relates to the technical field of insulating oil, and particularly discloses antioxidant insulating oil as well as a preparation method and application thereof. The antioxidant insulating oil provided by the invention comprises synthetic oil, a composite antioxidant and a pour point depressant, the composite antioxidant is prepared from the following components in parts by weight according to the weight of the composite antioxidant: 15 to 25 parts of N-phenyl-1-naphthylamine, 25 to 40 parts of antioxidant 5057, 15 to 25 parts of 3-diisobutoxy thiophosphoryl thio-2-methyl-propionic acid and 10 to 15 parts of tetraethylene glycol dimethyl ether trihydrate; the invention also provides a preparation method of the antioxidant insulating oil. The antioxidant insulating oil provided by the invention not only has good insulativity and heat dissipation performance, but also has excellent oxidation resistance, and can meet the use requirements in a long-time high-temperature electric field environment when being used for a motor of an electric motorcycle.

The application discloses a 5-position linked naphthalene diisocyanate, a halogenated naphthylamine or a phenolic hydroxyl naphthylamine, which is subjected to an acylation reaction, then subjected to an Ullmann coupling reaction in the presence of a ligand and an inorganic base and under the protection of an inert gas by using a metal or a salt thereof as a catalyst, subjected to amide hydrolysis, and then subjected to a carbonacylation reaction with a carbonacylation reagent to obtain the 5-position linked naphthalene diisocyanate. The application further provides a synthesis method of the 5-position linked naphthalene diisocyanate. The application further provides an application of the 5-position linked naphthalene diisocyanate in preparation of urethane rubber and elastomer, urethane fiber, cast urethane rubber, urethane emulsion and paint, urethane adhesive, shock-absorbing foam material, energy-absorbing foam material and damping foam material. The polylinked naphthalene urethane prepared by using the 5-position linked naphthalene diisocyanate has high cohesive energy and impact modulus, and can be widely applied to high dynamic load and heat-resistant occasions.

The invention relates to the technical field of analytical chemistry, and particularly discloses an HPLC (High Performance Liquid Chromatography) detection method of propranolol hydrochloride genotoxic impurity 1-naphthylamine and application of the HPLC detection method. The HPLC detection method for the propranolol hydrochloride genotoxic impurity 1-naphthylamine provided by the invention comprises the following steps: preparing a reference substance solution, preparing a test solution, and carrying out liquid chromatography detection, liquid chromatography detection: injecting the reference substance solution and the test solution into a liquid chromatograph, and carrying out separation detection by adopting a mobile phase gradient elution method; a used chromatographic column is a chromatographic column with octadecylsilane chemically bonded silica as a filler. The HPLC detection method of the propranolol hydrochloride genotoxic impurity 1-naphthylamine provided by the invention can rapidly and accurately detect the genotoxic impurity 1-naphthylamine in a propranolol hydrochloride bulk drug or a propranolol hydrochloride injection, and has the advantages of good detection accuracy, high sensitivity, good reliability and high detection sensitivity. And the quality control of propranolol hydrochloride bulk drugs or injections can be realized.

The invention belongs to the field of reactive dye synthesis, and discloses a preparation process of a reddish brown reactive dye, which comprises the following steps: diazotizing 2-naphthylamine-4, 6, 8-trisulfonic acid, coupling with 1-naphthylamine-7-sulfonic acid to obtain a first-couple material, diazotizing the first-couple material again, coupling with m-toluidine to obtain a second-couple material, refining the second-couple material to obtain a color base, and drying to obtain the reddish brown reactive dye. Carrying out primary condensation on cyanuric chloride and 2, 5-aniline disulfonate to obtain a primary condensation material, carrying out secondary condensation on the primary condensation material and a color base, and filtering the secondary condensation slurry to obtain the reddish brown reactive dye primary stock. The preparation process provided by the invention is stable and low in spray drying energy consumption, and the prepared primary pulp has the advantages of high purity and high solid content, and is excellent in solubility and high in fastness to washing.

The invention relates to the technical field of organic electroluminescence, in particular to a fused heterocyclic compound and an organic electroluminescence device containing the compound. The compound has a characteristic double-boron-nitrogen aromatic fused structure, and rigid substituents such as phenanthrene amine, naphthylamine, anthramine and fluoranthene amine are introduced to the periphery of the compound, so that a molecule has a relatively high T2 energy level, the T1 energy level is remarkably reduced, T2 is slightly higher than S1 energy level, T2-T1 internal conversion is inhibited, T2-S1 exciton up-conversion is promoted, the exciton utilization rate is increased, and the luminous efficiency is remarkably improved. An OLED device prepared from the compound has the advantages of low starting voltage, high color purity, high efficiency and excellent service life, meets the requirements of a high-performance display panel on a luminescent material, and has a good application prospect.

The present application provides thiamine compounds shown in formula (I) and application thereof. The thiamine compounds of the present application can be used for preparing polyolefin antioxidants. The thiamine compounds of the present application introduce sulfide bonds in aryl secondary amine, so that the antioxidant contains naphthylamine groups of primary antioxidants and sulfide groups of auxiliary antioxidants, which not only can terminate free radicals by providing hydrogen protons, but also can react with hydroperoxides, so as to achieve the dual effects of primary and auxiliary antioxidants, and thus the antioxidant effect is significantly enhanced.

The invention relates to the field of lubricating oil, in particular to a compressor oil composition which is prepared from the following components in parts by weight: 0.005 to 0.2 part of an anti-rust agent, 0.05 to 1 part of an extreme pressure anti-wear agent, 0.01 to 0.5 part of a friction reducing agent, 3 to 8 parts of synthetic ester, 0.01 to 1 part of an antioxidant, 0.001 to 0.1 part of an anti-foaming agent and 90 to 97 parts of base oil. The anti-friction agent is a trimethylolpropane-triacid ester derivative, the anti-rust agent is formed by mixing an alkenyl succinic acid half-ester derivative and a carboxyl imidazoline derivative, and the anti-wear reagent at extreme pressure is formed by mixing triphenyl phosphate and an alkyl thiophosphate derivative. The antioxidant is formed by mixing any two of alkyl diphenylamine, alkyl phenyl-alpha-naphthylamine and alkyl hindered phenol. The invention further relates to a preparation method of the compressor oil composition. The compressor oil composition provided by the invention has excellent washing resistance and rust resistance.

The invention relates to the technical field of organic luminescence, and discloses a binaphthylamine derivative as well as a preparation method and application thereof. According to the organic compound based on the binaphthylamine derivative, a series of D-A structure molecules are synthesized by taking a binaphthylamine-containing group as a donor structure and connecting different diphenyl sulfone derivative receptors, and the organic compound has relatively high quantum yield and can be applied to the fields of organic electroluminescent devices, fluorescent probes, asymmetric catalysis, information storage and the like.

The invention provides a preparation method of a novel chiral thiourea / phosphine bifunctional organic catalyst with a cis-cyclic 1, 2-phosphinamine skeleton and application of the novel chiral thiourea / phosphine bifunctional organic catalyst in an asymmetric catalytic reaction. The chiral organic catalyst is prepared by taking cis chiral 2-(diphenylphosphine)-1, 2, 3, 4-tetrahydro-1-naphthylamine and an isothiocyanate compound as raw materials through a one-step reaction under a mild condition. The chiral thiourea / phosphine bifunctional organic catalyst is simple to prepare and stable in property, and shows excellent catalytic activity and stereoselectivity in an asymmetric hydrosilylation reaction of o-amido benzophenone.

The application discloses a hydrogen fuel engine oil composite additive composition, which comprises 3.0-5.0% high-alkali-value magnesium sulfonate, 12.0-20.0% low-alkali-value calcium sulfonate, 3.0-4.0% high-alkali-value calcium sulfide alkyl phenol, 2.0-5.0% amine type antioxidant, 2.0-5.0% phenol type antioxidant, 2.0-5.0% alpha-naphthylamine, 1.5-3.0% dibutyl dithiocarbamic acid ester, 1.5-3.0% anti-wear agent, 0.2-0.5% fatty amide, and the rest is ashless dispersant. The application further discloses a hydrogen fuel engine oil composition, which comprises 14.4-15.5% composite additive composition, 7.0-9.0% tackifier, 0.2-0.5% pour point depressant, and the rest is base oil. The composite additive improves the demulsification performance of the hydrogen fuel engine oil under high-temperature and high-pressure conditions, and further improves the water separation property and other comprehensive use performances of the oil product.

The present application discloses use of small-molecule compound having naphthalamine structure. In the present invention, it was found for first time that the general formula I compound can be used to treat diseases associated with kidney injury and diseases associated with mitophagy, and is expected to be an effective special drug for treating the diseases associated with mitophagy and kidney-associated diseases, especially chronic kidney disease.

The invention discloses an ashless antioxidant composition applicable to an ultrahigh-temperature lubricating environment, lubricating oil and application of the ashless antioxidant composition. The ashless antioxidant composition is prepared from the following components in parts by mass: 2.5 to 5 parts of dialkyl diphenylamine, 2.5 to 7.5 parts of N-phenyl-alpha-naphthylamine, 0 to 2.5 parts of phenolic antioxidant and 0 to 2.5 parts of amine antioxidant. The ashless antioxidant composition does not contain metal elements, is an ashless antioxidant system, has a good antioxidant effect, can effectively control the viscosity change and acid value increase of an oil product in an ultrahigh-temperature environment of 220-300 DEG C, has an obvious inhibition effect on the generation of high-temperature sediments, and can meet the requirement of an aero-engine on the antioxidant performance of lubricating oil in the ultrahigh-temperature environment.

The present invention relates to a lubricant composition, in particular for a gas or steam turbine, comprising: —at least one base oil; —at least one phenylnaphthylamine (PAN) compound, preferably alkylphenyl-α-naphthylamine (APAN) compound; —at least one diphenylamine (DPA) compound, preferably dialkyl-diphenylamine compound; and —at least one phosphite ester compound, preferably triaryl phosphite ester compound; in which the ratio by weight between said diphenylamine compound(s) and said phosphite ester compound(s) is strictly greater than 1.0.

The invention belongs to the technical field of thermal protection materials for spaceflight and weapons, and particularly relates to hybrid polyphosphazene and a preparation method and application thereof, and a modified ethylene propylene diene monomer material and a preparation method and application thereof. The hybrid polyphosphazene provided by the invention comprises acetenyl aniline polyphosphazene with a structure as shown in a formula 1, naphthylamine polyphosphazene with a structure as shown in a formula 2 or allyl phenoxy polyphosphazene with a structure as shown in a formula 3. The hybrid polyphosphazene provided by the invention is used as a modifier, and a functional group and a phosphorus-nitrogen long chain of the hybrid polyphosphazene can be co-crosslinked with EPDM to construct an interpenetrating network structure so as to improve the mechanical property and ablation resistance of an EPDM heat insulating layer. According to the modified ethylene propylene diene monomer material provided by the invention, the mechanical property, the elasticity and the ablation resistance of the material are remarkably improved on the premise of keeping the density basically unchanged, and the modified ethylene propylene diene monomer material can be widely applied as a heat insulating layer.

The present application relates to a kind of cement composite for anti-cracking, anti-bending strength mortar, it is first using the component including triethylene glycol, dodecanedioic acid, polypropylene glycol, 2-naphthylamine-1, 5-disulfonic acid, 1, 4-butanediol-2-sodium sulfonate, citric acid, triethanolamine to prepare special toughness structure, hydrophilic polymer polyester resin, then it is fully mixed with cement clinker, gypsum, blast furnace slag and coal gangue powder etc., powder preparation is obtained.The cement product prepared in the present application contains organic polymer polyester resin that can be hydrated and dispersed, the mortar material prepared by using the cement product of the present application not only has excellent anti-cracking performance, but also has high bending strength, which is much better than ordinary cement, and can be used in the field of cement mortar material with high requirements for anti-cracking and bending strength.

The invention provides an agent composition for improving the recovery rate of copper, nickel, iridium and rhodium in copper-nickel symbiotic sulfide ore, and the agent composition comprises the following raw materials in parts by mass: 85-90 parts of sodium diethyldithiocarbamate, 1-10 parts of mercaptoacetic acid-2-naphthylamine, 1-5 parts of furanformyl dioxime and 1-10 parts of dialkyl dithio-oxadiamide. The invention also provides a use method of the medicament composition. The use method comprises the step of adding the sodium diethyldithiocarbamate, the mercaptoacetic acid-2-naphthylamine, the furanformyl dioxime and the dialkyl dithio-oxadiamide at different time. The raw materials of the medicament provided by the invention are synergistically used, and recovery of independent iridium and rhodium minerals and iridium and rhodium minerals closely linked with (or wrapped by fine nickel sulfide and copper) fine nickel sulfide and copper in ores is considered.

The application relates to a bridge deck waterproof material and a preparation method thereof, which is prepared from the following raw materials in parts by weight: 15-22 parts of fluorosilicon type thermoplastic polyurethane elastomer, 65-72 parts of asphalt, 3-5 parts of cellulose nanocrystals, 5-8 parts of 2-naphthylamine-4,8-disulfonic acid, 0.8-1.5 parts of diaphosphorus pentoxide, 0.5-0.8 parts of polyphosphoric acid, 4-6 parts of vinyl hydroxyl silicone oil, 3-5 parts of SBR rubber powder, 1-2 parts of a coupling agent, 5-8 parts of reinforcing material, 1-3 parts of 1,3,5-triglycidyl-S-triazinetrione, 1-2 parts of (perfluoropropane-2,2-diyl)bis(4,1-phenylene)diacrylate, 3-5 parts of a plasticizer, 1-3 parts of an anti-aging agent, and 0.1-0.3 parts of an initiator. The bridge deck waterproof material has the advantages of large bonding strength, good low-temperature crack resistance, high-temperature resistance and aging resistance, excellent waterproof performance and long service life.

The invention discloses a method for synthesizing 9,10-bis[N-(2-naphthyl)anilino]anthracene without metal catalysis, relates to the technical field of organic luminescent material preparation, and aims to solve the problems of large amounts of waste generated and complex steps in existing methods. The method comprises the following steps: adding refined anthracene, N-phenyl-2-naphthylamine, an oxidant, an additive, and a solvent into a reaction vessel under an oxidizing atmosphere; heating the reaction after the addition is completed, heating the temperature to reflux or 80°C to 120°C, reacting for 8 to 15 hours, and cooling the temperature to room temperature, directly filtering to obtain a crude product, and separating to obtain 9,10-bis[N-(2-naphthyl)anilino]anthracene. The method has simple steps and is easy to operate, requiring only mixing all raw materials, heating the reaction, and then separating. The raw materials are low in cost and readily available, do not require a catalyst, are free of metal, and effectively avoid metal residues in the later stage. The method has simple post-processing, reduces the amount of three wastes, and has excellent purity and considerable yield, thus conforming to the development direction of green chemistry.

The invention discloses a microneedle patch containing alpha-naphthylamine carbon dots and application of the microneedle patch to detection of nitrite through colorimetric-fluorescence dual-mode signals, and belongs to the technical field of analytical chemistry. Alpha-naphthylamine is used as a carbon source and is prepared into the blue fluorescence alpha-naphthylamine carbon dots, the carbon dots have good color and fluorescence changes, and the blue fluorescence alpha-naphthylamine carbon dots are used as a color developing agent to be prepared into the microneedle patch so as to realize NO2-colorimetric-fluorescence dual-sensing application in food. The microneedle patch provided by the invention is used for carrying out nondestructive testing on a sample, whether nitrite exceeds the standard or not can be preliminarily judged through naked eyes, a colorimetric-fluorescence dual-mode signal is read through mobile phone photographing to obtain photographing data, and the content of nitrite in the sample can be accurately quantified after further processing; therefore, rapid and simple detection of nitrite in food is realized. Therefore, the invention has important application value and wide application prospect.

The invention discloses a preparation method of high-stability aviation gasoline, and relates to the field of fuel oil. When the high-stability aviation gasoline is prepared, magnetic powder reacts with mercaptoacetic acid and then reacts with polyvinylpyrrolidone to prepare porous sulfydryl modified magnetic particles; the porous sulfydryl modified magnetic particles, bis (3, 5-dicarboxyphenyl) azo and copper nitrate trihydrate are subjected to a reaction, and a magnetic desulfurizer is prepared; the method comprises the following steps: reacting a magnetic desulfurizer with base oil, and removing by magnetic adsorption to prepare primarily processed gasoline; the preparation method comprises the following steps: reacting diphenylamine, N-phenyl-alpha-naphthylamine and octylene to prepare an antioxidant; and uniformly mixing the antioxidant and the primarily processed gasoline. The high-stability aviation gasoline prepared by the preparation method disclosed by the invention has relatively low sulfur content and good stability.

The invention belongs to the technical field of perovskite cells, and particularly discloses high-orientation perovskite, a preparation method and a solar cell prepared from the high-orientation perovskite, and the high-orientation perovskite comprises a mixture of naphthalene derivatives of sulfonic acid groups and amido, a perovskite component and a precursor solution, the mixture of naphthalene derivatives of sulfonic groups and amido is a mixture of potassium 6-hydroxy-2-naphthalene sulfonate and 6-bromo-2-naphthylamine hydrochloride, the molar mixing ratio of the potassium 6-hydroxy-2-naphthalene sulfonate to the 6-bromo-2-naphthylamine hydrochloride is 1: 0-1: 1, the perovskite component mainly comprises ABX3, and A is at least one of Cs, FA and MA; b is at least one of Pb and Sn; and X is I. According to the invention, crystal lattices are anchored through coordination of sulfonate radicals / hydroxyl radicals and Pbas, occupation of ammonium radicals on FAvacancies and the like, aromatic interaction among naphthalene rings in molecules is utilized to synergistically guide perovskite to orderly grow out of a (100) plane, inhibit lattice inclination and defect formation and regulate and control the orientation of perovskite crystals, so that the perovskite film with high orientation is obtained, and the perovskite film has good application prospects. And the photovoltaic performance of the perovskite solar cell is improved.

The invention discloses a mitochondrial targeting pyridinium cyanine photosensitizer compound, a preparation method, a compound and application thereof, and the pyridinium cyanine photosensitizer compound is generated through organic reaction by taking N-methyl-N-hydroxyethyl naphthylamine as an electron donor, pyridinium cyanine as an electron acceptor and double bonds as pi bridge connection. After the pyridycyanine photosensitizer compound is self-assembled and combined with HSA, specific fluorescent staining of mitochondria is achieved, active oxygen is efficiently generated under white light irradiation and directly acts on the mitochondria, and the cancer cell killing efficiency is improved. The preparation method is simple and efficient, and the prepared photosensitizer compound has a good photodynamic therapy effect and biological safety and has a good application prospect.

The application provides a compound of formula (I), the bond energy between atoms is high, the compound has good thermal stability, and the solid-state stacking between molecules is favorable, and the energy level between adjacent layers is suitable, which is favorable for the injection and migration of excitons. When used as an electron transport material, the compound can effectively reduce the driving voltage of an organic electroluminescent device, improve the light-emitting efficiency of the organic electroluminescent device, and prolong the service life of the organic electroluminescent device. The application also provides an organic electroluminescent device and a display device comprising the compound of formula (I).

The invention relates to the technical field of chemical component detection, and particularly discloses fluorescent test paper, a fluorescence analysis method and a fluorescence analysis device for visual online detection of soil nitrate nitrogen. According to the test paper, nitrate nitrogen is reduced into nitrite nitrogen by adopting zinc powder and a cadmium chloride solution, and then the nitrite nitrogen is dropwise added to fluorescent test paper prepared by soaking a mixed solution of para aminobenzoic acid, N-phenyl-1-naphthylamine and hydrochloric acid; under an acidic condition, nitrite nitrogen and para aminobenzoic acid generate diazonium salt, and then the diazonium salt reacts with N-phenyl-1-naphthylamine to form an azo compound, so that the original blue fluorescence on the test paper is gradually weakened along with the increase of the concentration of the nitrate nitrogen. According to the method, high-sensitivity and specific recognition of nitrate nitrogen is realized. And in combination with color identification and data analysis software of a smart phone, a portable and low-cost field detection system is constructed, and an efficient and practical new technical means is provided for visual quantitative detection of soil nitrate nitrogen.

The present invention belongs to the technical field of organic pigments, and particularly relates to a preparation method of a blue-violet organic pigment, which includes: adding water and soda ash into a coupling pot and stirring evenly, adding 5-amino-4-hydroxynaphthalene-2,7-disulfonic acid during stirring and stirring for 0.5-1 h, then adding 4-chlorobenzoyl chloride and controlling the pH, cooling to 5-10 °C to obtain a coupling solution; adding water and 1-naphthylamine into a reaction pot, adding hydrochloric acid and stirring for 1-2 h, then adding a sodium nitrite solution in a low-temperature environment for a constant-temperature diazotization reaction for 2-3 h to obtain a diazo solution; adding the diazo solution into the coupling solution, adjusting the pH and reacting for 2 h, then adding an aqueous barium chloride solution and an auxiliary agent, heating to 95 °C, keeping warm for 2 h, finally filtering and rinsing to neutral, and drying and pulverizing to obtain the blue-violet organic pigment. The present invention uses 5-amino-4-hydroxynaphthalene-2,7-disulfonic acid as a coupling component raw material and 1-naphthylamine as a diazotization raw material, and obtains the blue-violet organic pigment through a diazo coupling reaction, enriching the chromatogram of azo organic pigment varieties.

The application discloses a synthesis method of an alkyl and aryl containing benzoquinoline compound and belongs to the technical field of organic synthesis. The technical scheme of the application is characterized by the following specific steps: aromatic aldehyde compound 1, beta-naphthylamine compound 2 and tertiary aliphatic amine compound 3 are dissolved in a solvent, iodine reagent and an oxidizing agent are then added, and the target product, the alkyl and aryl containing benzoquinoline compound, is prepared by reacting at 110-130 DEG C. The synthesis process is simple and efficient, the benzoquinoline compound is directly prepared by one-pot cascade reaction without transition metal catalysis, the raw material catalyst is cheap and easy to obtain, the reaction condition is mild, the operation is simple, the method is suitable for commercial and large-scale industrial production, the substrate is widely applicable, and the alkyl substituent group is ingeniously introduced by using the tertiary aliphatic amine compound as the raw material.

The invention discloses a biomass liquid fuel production process, and relates to the technical field of fuel production equipment, and the biomass liquid fuel production process comprises the following steps: S1, preparing 100 parts of diatomite into a turbid liquid, then adding 65-75 parts of an alpha-naphthylamine monomer into the turbid liquid, carrying out a polymerization reaction, filtering, washing, roasting and carbonizing, and then dispersing in water to prepare carrier slurry with the solid content of 30-40w. T. And S2, adding 1-2 parts of tetraethoxysilane and 4-6 parts of ZSM-5 molecular sieve into an acid solution with the pH value of 3.5-4.5, stirring, hydrolyzing, drying, mixing with 0.3-0.5 part of thiourea, uniformly grinding, and roasting to obtain the composite powder. Through the arranged opening and closing structure, an electric telescopic rod only needs to be started from a control switch, and two sections of teeth arranged on a movable plate are meshed with a gear A and a gear B, so that opening and closing of two opening and closing plates are achieved, and fully stirred liquid fuel can pass through a filter screen arranged on the lower portion; and the filter screen is used for filtering impurities in the liquid fuel.

The invention relates to a preparation method of tetrahydro-1-naphthylamine and a derivative thereof. Specifically, the invention relates to a preparation method of (1S, 4S)-4-methoxy-1, 2, 3, 4-tetrahydronaphthalene-1-amine, and the method comprises the step of reacting a compound C-1 under the condition of (R)-2-methyl-CBS-oxazolidine to form a compound D-1. The method is simple to operate and suitable for industrial production. # imgabs0 #

The present invention relates to a process for the manufacture of a liquid additive comprising an amine of formula (1), wherein the process comprises the steps of: alkylating a phenyl-alpha-naphthylamine with an olefin selected from linear or branched C8-C12 olefins to obtain a first crude product comprising the amine of formula (1); distilling off unreacted olefins from the first crude product to obtain a second crude product; and distilling off unreacted phenyl-alpha-naphthylamine from the second crude product to obtain the liquid additive. The invention also relates to a liquid additive comprising an amine of formula (1) and a phenyl-alpha-naphthylamine wherein the liquid additive comprises at least 95 wt% of the amine of formula (1) and wherein the concentration of the phenyl-alpha-naphthylamine in the liquid additive is less than 0.2 wt%, preferably less than 0.1 wt%. The invention further relates to the use of the liquid additive, such as in lubricants.