39 results about "M-nitrophenol" patented technology

The invention relates to a fluorescent probe for detecting hydrogen sulfide (H2S), and specifically relates to a fluorescent probe for detecting intracellular hydrogen sulfide based on nitroreduction and an application thereof. The fluorescent probe takes a hemicyanine dye or a cyanine dye as a fluorescent matrix, and m-nitrophenylamine or m-nitrophenol is introduced to the matrix. The fluorescent probe is used for detecting hydrogen sulfide inside and outside a water body or a living body. According to these compounds of the fluorescent probe for detecting hydrogen sulfide, corresponding fluorescence intensity changes in presence of hydrogen sulfide, so that the fluorescent probe can be used for detecting hydrogen sulfide, thereby greatly reducing interference of outer conditions and improving the detection accuracy. In particular, these compounds used as the fluorescent probe can be used for detecting intracellular hydrogen sulfide, thereby having an important significance for lucubrating the dynamic mechanism of hydrogen sulfide which is generated, conveyed, accumulated and the like in the living body and further understanding the physiological and toxicological effects of hydrogen sulfide.

The invention discloses a bituminous paint which comprises the following raw materials in parts by mass: 1-3 parts of potassium chloride, 2-4 parts of metanitrophenol, 1-2 parts of anthraquinone, 2-5 parts of sodium dodecyl benzene sulfonate, 2-6 parts of tetraethylammonium chloride, 2-5 parts of hexadecyltributylphosphorus tribromide, 1-3 parts of 4-bromo-1-butanol, 3-5 parts of diethylaminoethanol hexanoate and 2-5 parts of praseodymium trifluoroacetylacetone. The bituminous paint disclosed by the invention has the advantages of favorable heat resistance, favorable adhesive force, favorable weather resistance, short drying time and obvious anticorrosion effect, and is convenient, safe and environment-friendly to use in construction.

The invention discloses an amino functionalized mesoporous macromolecular small nanosphere and a preparation method thereof. The small nanosphere is a spherical particle with diameter of 100-200 nm, and has a three-dimensional centered cubic phase mesoporous structure. The preparation method comprises the following steps: taking p-nitrophenol, formaldehyde and phenol as raw materials; synthesizing a nitro functionalized high-molecular performed polymer by a hydrothermal method; then conducting a hydro-thermal treatment on the high-molecular performed polymer at 120-130 DEG C for 16-24 h; then cooling to room temperature; separating out solids in the mixed reactants; and calcining the solids in a protective atmosphere at 350-380 DEG C to obtain a target product. The amino functionalized mesoporous polymer small nanosphere provided by the invention has the advantages of high amino content, large specific surface area, 3D centered cubic phase mesoporous structure, stereoscopic morphology, simple and controllable preparation process and low cost, and has wide application prospects in the fields of organic base catalytic reactions, CO2 adsorption and heavy metal ion adsorption.

The invention relates to the technical field of nanocatalysts, in particular to a catalyst for catalyzing hydrogenation reduction of nitrophenol and application thereof. The catalyst is an ultrathin bismuth oxychloride nanosheet with the diameter of 60-80nm, has very high catalytic activity in catalytic reduction of o-nitrophenol, m-nitrophenol and p-nitrophenol into corresponding aminophenol, and can replace a noble metal catalyst and be applied to a reaction of catalytically reducing the nitrophenol to prepare the aminophenol, so that the production cost is reduced.

The invention provides a method for preparing and synthesizing a ferroferric-oxide-supported cobalt selenide magnetic nano composite material by a hydrothermal process and application thereof, belonging to the technical field of preparation and application of nano materials. The invention does not need to previously prepare any template or use any surfactant, has the advantage of mild reaction process, and is easy to control; and the obtained ferroferric-oxide-supported cobalt selenide magnetic nano composite material has high activities in catalyzing reduction of nitrophenol and adsorbing methylene blue. The result indicates that 1mg of ferroferric-oxide-supported cobalt selenide magnetic nano composite material can completely catalyze the nitrophenol in 0.1ml of 5.0*10<-3>M nitrophenol solution by only 13 minutes; and 50mg of ferroferric-oxide-supported cobalt selenide magnetic nano composite material can completely adsorb the methylene blue in 50ml of 5mg/L methylene blue solution by only 25 minutes. Besides, the prepared sample has magnetic property, thus, can be conveniently separated and collected with a magnet, and is convenient for recycling.

The invention discloses a preparation method and application of a modification electrode. According to the preparation method, a polysulfanilic acid modified graphite electrode is prepared, the electrochemical behavior of o, m and p-nitrophenol on the electrode is studied through a cyclic voltammetry method, and a cyclic voltammetry curve is subjected to semi-differential treatment, so that the sensitivity and the separation degree of the electrode are further improved. The result shows that in a phosphate buffer solution of which the pH value is 8.00, the modified electrode has a remarkable function in distinguishing electrochemical oxidation of three isomers and a function of remarkably improving the current sensitivity. Compared with a naked graphite electrode, according to the graphite electrode, the differences of two adjacent oxidation peak potentials between o-nitrophenol and p-nitrophenol and between p-nitrophenol and m-nitrophenol are respectively increased to be 90mV and 155mV from 80mV and 133mV, and meanwhile the measurement sensitivity is remarkably improved, the peak current and the concentration of components are in relatively good linear response, and the electrode is good in reproducibility and stability.

The invention relates to a wholly aromatic side chain type sulfonated diamine and a preparation method thereof. Metanitrophenol is used as raw material to prepare a 2, 2'-dihydroxyl benzidine intermediate product by reduction and rearrangement to react with sulfonated halogenated aryl hydrocarbon to prepare a series of wholly aromatic side chain type sulfonated diamine. Sulfonic group in a molecular structure of sulfonated aryl diamine is connected with a side group; sulfonated polyimide is prepared by the sulfonated aryl diamine, and the sulfonic group is far from the main chain, so that a microscopic phase separation structure is expected to form easily, thereby being good for the efficient conduction of proton. In addition, the compound can also be used as an important intermediate product for producing water-soluble dye, etc. The sulfonated aryl diamine prepared by the invention can react with dicarboxylic anhydride to prepare the sulfonated polyimide. Due to the good film-forming property, the excellent mechanical property, heat resistance and solvent resistance, the wholly aromatic side chain type sulfonated diamine has wide application prospect at the aspects of proton conducting membrane and separation membrane used for a fuel cell, ion exchange membrane used for chlor-alkali industry, etc.

The invention discloses peelable water-based paint. The peelable water-based paint comprises the following components: cellulose acetate resin, petroleum resin, polyether sulfone resin, polyamide resin, elastic polyurethane emulsion, composite zinc phosphate, water-based silicone acrylic emulsion, wollastonite powder, talcum powder, phthalocyanine blue, titanium dioxide, carbon black, ethylene glycol butyl ether, m-nitrophenol, sodium hexametaphosphate, p-chlorophenol, aromatic hydrocarbon sulfonic acid, an ultraviolet absorber, BYK-300 and deionized water. The peelable water-based paint has the beneficial effects of being high in mechanical strength, good in weather resistance, good in adhesion, good in glossiness, good in acid resistance and peelable.

The invention relates an insulating coating which comprises the following components: cellulose acetate fiber resin, active methyl-containing polyurethane resin, ethylene glycol dimethyl ester, phenol propane epoxy resin, polyamide resin, elastic polyurethane emulsion, water-based silicone acrylic emulsion, hydroxypropyl methyl cellulose, calcined kaolin, talcum powder, phthalo blue, 1250-mesh barium sulfate, carbon black, butyl cellosolve, m-nitrophenol, ammonium polyphosphate, pentaerythritol, arene sulfonic acid, a silane coupling agent, a flatting agent, a sterilization preservative and a solvent. The insulating coating has the following beneficial effects that the mechanical strength is high, the weather fastness is good, the adhesion force is good, the acid resistance is good, the service life is long, and above all, the insulating coating can be used for a long time at a high temperature of 260-360 DEG C.

The invention relates to a waterborne coating. The waterborne coating comprises the following components: epoxy resin, petroleum resin, polyether sulfone resin, butyl acrylate, ethyl acetoacetate, polysorbate, isooctyl acrylate, wollastonite in powder, talcum powder, titanium dioxide, carbon black, mono-epoxy allyl glycidyl ether, m-nitrophenol, 10% silicone oil, p-chlorophenol, arene sulfonate, a diluent, an aid and deionized water. The waterborne coating has the beneficial effects that the raw materials are uniformly dissolved and dispersed; the waterborne coating has high mechanical strength, good impact resistance, good adhesion and good glossiness.

The invention discloses an environment-friendly waterborne coating. The environment-friendly waterborne coating comprises the following components: hydroxylated fiber resin, polyether sulfone resin, a styrene-acrylic emulsion, an alkyd emulsion, polysorbate, isooctyl acrylate, nanometer powder, calcium carbonate whiskers, aluminum tripolyphosphate, talc powder, iron titanium powder, sodium hexametaphosphate, m-nitrophenol, dodecylmercaptan, 1,2-propylene glycol, additives and deionized water. The environment-friendly waterborne coating has the following beneficial effects of uniform dissolution and dispersion of raw materials, high mechanical strength, good impact resistance and leveling property, good weather resistance, good adhesion force, good gloss, long service life and environmental friendliness and no pollution.

The invention relates to a low-viscosity asphalt emulsion comprising the following components in parts by weight: 1-10 parts of epoxy resin, 12-14 parts of anthracene oil, 10-13 parts of potassium chloride, 5-10 parts of m-nitrophenol, 4-12 parts of anthraquinone, 8-15 parts of diethyl aminoethyl hexanoate, 3-6 parts of ethanol ester, 12-15 parts of trifluoroacetylacetone praseodymium, 9-15 parts of polyvinyl chloride, 4-13 parts of sulphur and 5-11 parts of a mixed solvent, wherein the mixed solvent mainly consists of iron oxide red and zinc chrome; and the percentage ratio of the iron oxide red to the zinc chrome in the mixed solvent is (15% to 20%) to (15% to 30%). The asphalt emulsion disclosed by the invention has good heat resistance, good adhesive force and relatively good weather fastness, is relatively short in drying time when in use, obvious in preservative effect, convenient to use in construction, safe and environmentally friendly.

The invention relates to a pipeline paint. The pipeline paint comprises modified phenol formaldehyde resin, water-based inorganic aluminum sol resin, polyethersulfone resin, acetic acid-tertiary carbonic acid emulsion, alkyd emulsion, polysorbate, ethylene glycol dimethyl ester, sodium alginate, calcium carbonate crystal whisker, aluminum tripolyphosphate, colloid potassium silicate, ferrotitanium powder, sodium hexametaphosphate, metanitrophenol, dodecyl mercaptan, glycerol, a diluter and a solvent. The pipeline paint has the advantages of favorable adhesive force, low shedding tendency and long service life, can effectively prevent natural corrosion and microbial corrosion of iron bacteria to the pipeline, and has favorable acid corrosion resistance.

The invention provides an asphalt paint and a preparation method thereof. The asphalt paint is obtained by mixing 10-30 parts by weight of potassium chloride, 20-30 parts by weight of m-nitrophenol, 10-20 parts by weight of anthraquinone, 20-50 parts by weight of sodium dodecyl benzene sulfonate, 20-50 parts by weight of Trifluoroacetylacetone praseodymium, 10-30 parts by weight of epoxy resin, 10-12 parts by weight of barium sulfate, 5-12 parts by weight of silica powder, 5-10 parts by weight of eleostearic acid, 5-8 parts of talcum powder, 1-3 parts by weight of an assistant evenly. The asphalt paint provided by the invention has very good heat resistance and weather resistance, the paint film has good corrosion resistance, is not easy to age and has good adhesion. Compared with the prior art, the asphalt paint provided by the invention also has excellent fullness and high gloss properties, also because of easily available raw materials, the asphalt paint is low in cost, and can meet the requirements of the market for performance and appearance of anticorrosive paints.

The invention relates to a novel method for preparing metaaminophenol by reducing metanitrophenol with a byproduct ammonium thiosulfate recovered from a coking desulfurization waste liquid, which comprises the following steps: adding the raw material metanitrophenol into an organic solvent-water mixed solution, stirring, completely dissolving, adding an ammonium thiosulfate reducer, heating, naturally cooling to room temperature to precipitate a crystal, carrying out vacuum filtration to obtain the crystal, and completely drying to obtain the metaaminophenol. By using the byproduct ammonium thiosulfate recovered from the coking desulfurization waste liquid as the reducer, the method reutilizes the waste resources, enhances the economic benefit, has the advantages of high safety, environment friendliness, convenient technique and simple equipment, and is suitable for industrialized continuous production.

The invention relates to a water-based paint composition. The water-based paint composition comprises hydroxylated fiber resin, water-based inorganic aluminum sol resin, polyethersulfone resin, pure acrylic emulsion, acetate-epoxy acrylic acid oligomer, polysorbate, 2-ethylhexyl acrylate, hydroxypropyl methylcellulose, calcium carbonate crystal whisker, calcite, lithium oxide, talcum powder, silicon dioxide, sodium bisulfite, metanitrophenol, sodium dodecyl benzene sulfonate, propylene glycol monomethyl ether, leveling agent and deionized water. The paint has the advantages of high mechanical strength, favorable impact resistance, favorable weather resistance, low energy consumption, favorable adhesive force and low cost, and can not cause environment pollution.

The invention relates to a formula of an anti-freezing and environment-friendly asphalt. 100 parts by weight of the asphalt comprises the following components: 14-31 parts of water, 20-25 parts of emulsified asphalt, 18-20 parts of chemical fiber plastics crushed into pieces, strips and particles, 1.5-2 parts of an expanding agent, 4-5 parts of aluminum powder, 1.5-2 parts of an anionic emulsifier, 2-3 parts of a cationic emulsifier, 3-4 parts of a thickening agent, 1.5-2 parts of a stabilizer, 2.5-4 parts of a water reducing agent, 2.5-3 parts of a defoaming agent, 3.5-4 parts of potassium chloride, 3.5-4 parts of m-nitrophenol, 1.5-2 parts of anthraquinone, n-butyl bromide, 2-3 parts of tributyl phosphorus bromide, and 2-3 parts of hexanoic,2-(diethylamino) ethyl estercitrate. The formula of the anti-freezing and environment-friendly asphalt provided by the invention can be convenient to use, fully recycles waste, and effectively solves the poor freezing resistance problem of asphalt.

The invention relates to a coating composition which comprises the following components: hydroxylated fiber resin, methyl hydroxy crylic acid oligomer, polyethersulfone resin, silicone acrylic emulsion, alcohol acid emulsion, ethylene glycol dimethyl ester, 2-ethylhexyl acrylate, nano powder, inorganic bentonite, aluminum triphosphate, titanium oxide, clay, sodium hexametaphosphate, m-nitrophenol, lauryl mercaptan, glycerol, an auxiliary and acetone. The coating composition has the following beneficial effects of good adhesive force, good glossiness, certain flexibility, small possibility of falling, low cost, less residual monomers and no secondary pollution to packaging materials.

The invention discloses a method for preparing m-nitrophenol ester by a solid-phase reaction system. According to the invention, m-dinitrobenzene and carboxylate are taken as raw materials, the methodcomprises the following steps: 1) m-dinitrobenzene and carboxylate are mixed and ground at the temperature of 10-80 DEG C for 20-180 min; wherein the mol ratio of m-dinitrobenzene to carboxylate 1:1-1:5; and 2) the ground material is washed with absolute methanol and then filtered, after steaming methanol of a filtrate, through column chromatography separating, ethyl acetate/petroleum ether is taken as an eluant for separation by passing a column, and an eluant is subjected to pressure reduction steaming to obtain the m-nitrophenol ester. The m-nitrophenol ester has the advantages of concisetechnology, no solvent, short reaction time, mild condition, high yield, and good selectivity.

The invention relates to a fireproof decoration paint. The paint comprises the following components: acetate fiber resin, cyanoethyl cellulose, inorganic nano ceramic resin, cellulose ether, furan resin, elastic polyurethane emulsion, glass bead, water-based silicone-acrylic emulsion, titanium oxide, meerschaum, ammonium polyphosphate, calcined kaolin, magnesium hydroxide, ethylene glycol monobutyl ether, metanitrophenol, pentaerythritol, parachlorophenol, melamine, uric acid, leveling agent, phosphoric acid and solvent. The paint has the advantages of high mechanical strength, favorable adhesive force, low shedding tendency of the coating, long service life, excellent fire resistance, favorable water resistance and favorable weather resistance.

The invention discloses wall decorative paint which is prepared from, by weight, 35 parts of amino resin, 8-9 parts of methyl fiber aqueous solutions, 2-3 parts of lead dibasic phosphite, 1-2 parts of m-nitrophenol, 2-3 parts of aluminum hydroxide, 3-4 parts of carboxymethyl cellulose, 2-3 parts offatty amine ethoxylate, 1-2 parts of lignosulfonate and 3-4 parts of gum acacia powder. The wall decorative paint is good in transparency, heat resistance and tensile strength, and is not prone to wrinkling.

The invention discloses a modified asphalt composition, which is prepared from the following raw materials in parts by mass: 11-14 parts of waste tire rubber powder, 10-12 parts of polyethylene waste, 9-15 parts of terpene resin, solvent oil 6‑8 parts, 2‑4 parts of alcohol ether carboxylate interface agent, 4‑6 parts of potassium chloride, 5‑7 parts of m-nitrophenol, 6‑8 parts of sodium dodecylbenzenesulfonate, tetraethyl 3‑5 parts of ammonium chloride, 6‑8 parts of cetyl tributylphosphine bromide, 7‑9 parts of diethylaminoethanol hexanoate, 3‑4 parts of praseodymium trifluoroacetylacetonate, glycidyl methacrylate 5-7 parts of ester copolymer, 4-6 parts of sulfur. The invention has strong crack resistance, little change due to temperature influence, strong adhesion, and is not easy to fall off.

The present invention aims to provide a highly reliable aluminum electrolytic capacitor which has no flash points and shows little change or degradation in external appearance and properties. The electrolytic capacitor of the invention comprises a capacitor as an electrode using an aluminum foil, a driving electrolyte having a water content of 20-90wt%, a bottom barrel type house of the capacitor receiving the driving electrolyte, and a sealing material which seals an opening part of the house. The driving electrolyte contains one or more nitro compound of 0.01% by weight selected from p-nitrophenol, m-nitrophenol, o-nitrophenol, p-nitrobenzoic acid, m-nitrobenzoic acid, o-nitrobenzoic acid, p-nitroanisole, m-dinitroanisole, p-dinitroanisole. The freezing point of the electrolytic solution is under -10 DEG C, the chlorine content of the sealing material is less than 300ppm to the weight of the sealing material.