42 results about "Toluidines" patented technology

The invention discloses injectable expansion type bone cement. The injectable expansion type bone cement is made by mixing a solid phase composition and a liquid phase composition according to the mass ratio of 1.5:1-3:1, wherein the solid phase composition is a methyl methacrylate-acrylic acid copolymer while the liquid phase composition is a mixture of methyl methacrylate, N,N-dimethyl toluidine and hydroquinone. The preparation method includes: taking the methyl methacrylate and the crylic acid as reactive monomers generating polymerization reaction under the action of an initiator and a cross-linking agent to generate the methyl methacrylate-acrylic acid copolymer; evenly mixing the methyl methacrylate, the N,N-dimethyl toluidine and the hydroquinone to the liquid phase composition; mixing the solid phase composition with the liquid phase composition according to the mass ratio of 1.5:1-3:1 in proportion, stirring to obtain bone cement fluid, and obtaining the injectable expansion type bone cement after self-setting.

The invention discloses a high-content environmental alcohol ether fuel used for a compression ignition engine, which belongs to the technical field of alcohol ether fuel clean energy. The alcohol ether fuel comprises the following raw materials: methanol or ethanol or a mixture of methanol and ethanol, toluene, stearic acid, hexamethylphosphoric triamide, a nitryl solvent, acetone, fatty acid methyl ester, n-alkane, N-toluidine, plant oil, an alcohol fuel ether stabilizing agent, a catalysis combustion-supporting agent, an anti-knock reinforcing agent, a cetane number regulator, an eduction agent, an alcohol fuel recognition agent, an alcohol fuel rubber / plastic part corrosion and swelling inhibitor, an alcohol fuel metal corrosion inhibitor, an antioxidant anti-gum inhibitor, a metal deactivator, a corrosion inhibitor, an antistatic agent, a purification dispersant, an anti-wear repair agent, and an alcohol fuel sterilizing agent. The high-content environmental alcohol ether fuel has the advantages of stable performance, strong power, full combustion, good anti-knock property, good acceleration speed, easy starting, no air resistance, and low fuel consumption, and is especially suitable for the compression ignition engine.

Methods of promoting the cure of unsaturated polymer resins with a peroxide initiator by including as a promotor N-alkyl-N-(2-hydroxyalkyl)-p-toluidines. The use of the tertiary aromatic amines as a promotor provides a fast cure at a wide range of temperatures. Polymerizable compositions and methods of applying the same to a surface are also described.

Methods of promoting the cure of unsaturated polymer resins with a peroxide initiator by including as a promotor N-alkyl-N-(2-hydroxyalkyl)-p-toluidines. The use of the tertiary aromatic amines as a promotor provides a fast cure at a wide range of temperatures. Polymerizable compositions and methods of applying the same to a surface are also described.

The present invention relates to the treating process of effluent containing toluidine. In the conditions of 0-40 deg.c temperature and 0.5-8 BV / hr flow rate, effluent containing toluidine is made to pass through treater filled with double function resin of R-NH2, where R is divinyl benzene cross-linked styrene copolymer, and the resin has specific surface area not smaller than 700 sq m / g and exchange capacity not smaller than 0.5 mmol / g. The adsorption saturated double function resin is desorbed with dilute hydrochloric acid solution to regenerate, and the desorbed high concentration toluidine solution is treated through alkali regulation, rectification and other steps to recover toluidine product. The present invention has toluidine recovering rate higher than 80 % and recovered toluidine purity higher than 99 %. The present invention realizes the recovery of toluidine in effluent and the treating process is simple, efficient and economic.

The present invention relates to a hydrocarbon fuel composition comprising (i) at least 99% by weight of a base gas; and (ii) additives comprising (a) 2 to 50 ppm organometallic compound; and (b) 100 to 5000 ppm aniline or substituted aniline and 100 to 5000 ppm toluidine. The present invention discloses addition of an additive or additive mixture to base fuel preferably, liquefied petroleum gas. The addition of additive mixture not only improves the properties of the base fuel for use as torch gas for cutting and welding application, but also reduces the consumption of both fuel and oxygen for cutting applications.

The invention relates to synthesis method for leadless pure tin electroplating additive. Wherein, mixing lauryl phenol polyoxydivinyl ether, polyoxyethylene aniline ether, N, N-diethylm toluidine, hydracrylic acid, acetylglycine acid, naphthalene sulfonic acids, polyoxyethylene polyoxyprophylene propylene, and hydroquinone, and deionized water evenly by turns on given physical conditions; adjusting the constituents to eliminate compressive stress, control crystal process, and form perfect, normal crystallization structure; controlling particle size, thickness of plating layer and tin expansibility to solve generation problem of tin whisker. This invention is also easy to maintenance and needs low consumption.

The invention discloses a production method of 4-aminotoluene-3-sulfonic acid. Toluidine is resolved in organic solution and added with concentrated sulphuric acid which being stried, after the addition of the concentrated sulphuric acid is finished, the stiring lasts for one to two hours, the temperature of reactant is raised to 180 DEG C to 190 DEG C for a sulphonation reaction, which lasts for three to six hours, and the water generated in the course of the reaction is constantly evaporated and then discharged after being condensed; after the reaction is finished, solvent is recovered by decompression distillation and cooled down in order to produce the 4-aminotoluene-3-sulfonic acid. According to the method of the invention, the concentrated sulphuric acid is used as sulfonating agent, the toluidine undergoes the sulphonation reaction under a low temperature, and the purity of the produced 4-aminotoluene-3-sulfonic acid product is high, reaching over ninety nine percent; the sulphonation reaction is sufficient, and the yield rate of products is high; the solution can be reused, so pollution discharge is reduced. The method of the invention has the advantages of increase of the quality and yield rate of products, reduction of environmental pollution and great reduction of production cost.

The invention provides a method for making N-(1-ethyl propyl)-3,4-dimethylaniline, belonging to the dinitroaniline class pesticide technical field. The method has the characteristics that o-xylene is used as a starting material, which is nitrified under a function of a catalyst to obtain 3,4-dimethyl nitrobenzene, and is hydrogenated, added and re-hydrogenated with 3-pentanone under the function of the catalyst, and then the N-(1-ethyl propyl)-3,4-dimethylaniline is obtained. The content of N-(1-ethyl propyl)-3,4-dimethylaniline is more than or equal to 98 percent; the operation procedure is simplified, and the row material is easy to obtain with low cost, thereby easily and industrially realizing.

The invention discloses a method for preparing atomic ash for an automobile metal plate. In the atomic ash, a main agent consists of unsaturated polyester resin, methyl hydroxyethyl toluidine, styrene, polytetrafluoroethylene wax, hydroquinone, gaseous phase SiO2, titanium white, hollow glass beads, talcpowder and expansion micro powder; and an initiator consists of benzoyl peroxide, dibutyl phthalate and silicon dioxide. The preparation method comprises the following steps of: preparing the main agent; preparing the initiator; and blending and mixing the main agent and the initiator uniformly in a ratio of 100:(1.3-1.7). After being coated, the atomic ash prepared by the method is quick in curing and small in influence of temperature and humidity, and can be polished after being coated 25 minutes later. The atomic ash is high in environment friendliness, and has high adhesion on the surfaces of various metal substrates, high construction performance and high various physicochemical indexes.

The present invention relates to a hydrocarbon fuel composition comprising (i) at least 99% by weight of a base gas; and (ii) additives comprising (a) 2 to 50 ppm organometallic compound; and (b) 100 to 5000 ppm aniline or substituted aniline and 100 to 5000 ppm toluidine. The present invention discloses addition of an additive or additive mixture to base fuel preferably, liquefied petroleum gas. The addition of additive mixture not only improves the properties of the base fuel for use as torch gas for cutting and welding application, but also reduces the consumption of both fuel and oxygen for cutting applications.

A method for using thiazine dyes, especially methylene blue, alone or in combination with low levels of light, to treat or prevent avian influenza virus is described. Examples of useful thiazine dyes are methylene blue, azure A, azure C, toluidine, and thionine. The preferred dye is methylene blue, administered orally twice a day.

The invention relates to a method for preparing 2,5-diparamethylaniline terephthalic acid (DTTA) which is prepared by using dimethyl succinate succinyl (DMSS) and 4-toluidine as raw materials. The method comprises the steps of: 1, mixing materials; 2, raising the temperature for dissolving; 3, carrying out condensation; 4, carrying out hydrolysis oxidizing reaction; 5, carrying out solid-liquid separation; 6, absorbing and removing impurities; 7, carrying out solid-liquid separation; 8, neutralizing and acidizing; 10, washing and dehydrating; 11, drying; and 12, crushing and packaging. The product of the DTTA is obtained by the steps. The invention has the advantages of reasonable process, high purity of products, stable quality, high yield and safe and reliable reaction process.

The invention discloses a catalytic reduction hemoglobin electrochemical sensor which can achieve fast and sensitive detection of hemoglobin in a relatively large concentration range; the electrochemical sensor is a three-electrode system composed of a working electrode, a reference electrode and a counter electrode; the working electrode is prepared by the method according to the following steps: putting a three-electrode system with a glassy carbon electrode as the working electrode into a sodium acetate-acetic acid buffer solution having the pH of 5.0 and containing graphene and toluidine blue, and in a potential range of -0.8 to 1.3 V, carrying out cyclic voltammetry scanning for 25 laps at the scanning speed of 100 mV / s, to prepare a graphene / polytoluidine blue modified electrode; and putting a three-electrode system with the prepared graphene / polytoluidine blue modified electrode as the working electrode into an aqueous solution containing chloroplatinic acid and sodium chloride, and applying a -0.7 to -0.8 V constant potential between the working electrode and the reference electrode with the application time of 60-240 s.

The invention provides a preparation method of indole-3-methanol. The method comprises the following steps: 1, carrying out a reaction on zirconium chloride and cyclopentadiene in a mixed solvent through a diethylamine technology to prepare zirconocene dichloride; 2, modifying montmorillonite with cystine to obtain modified montmorillonite; 3, compounding the modified montmorillonite with zirconocene dichloride to obtain montmorillonite supported zirconocene dichloride; 4, compounding the modified montmorillonite with potassium borohydride to obtain montmorillonite supported potassium borohydride; 5, carrying out an acylation reaction on indole and toluidine under the action of the montmorillonite supported potassium borohydride to obtain indole-3-formaldehyde; and 6, reducing the indole-3-formaldehyde by the montmorillonite supported potassium borohydride to prepare the indole-3-methanol. The method has the advantages of high yield and low preparation cost.

The invention provides atest strip for detecting pendimethalin, and a preparation method and application thereof. The test strip comprises a sample absorbing cushion, a conjugate releasing cushion, areacting film, a water absorbing cushion and a base plate and is characterized in that the reacting film is provided with detection lines coated with pendimethalin hatpin-carrier protein couplers andquality control lines coated with anti-goat and anti-mouse anti-bodies, and pendimethalin monoclonal antibody-colloid gold markers are sprayed on the conjugate releasing cushion. The pendimethalin hatpin is prepared through the steps that N-(1-ethyl propyl ether)-3,4-methyl toluidine reacts with 4-ethyl 4-bromobutyrate to generate hydrocarbylation N-(1-ethyl propyl ether)-3,4-methyl toluidine, then the hydrocarbylation N-(1-ethyl propyl ether)-3,4-methyl toluidine reacts with concentrated nitric acid to generate nitro hydrocarbonylation N-(1-ethyl propyl ether)-3,4-methyl toluidine, and then the nitro hydrocarbonylation N-(1-ethyl propyl ether)-3,4-methyl toluidine reacts with KOH. The test striphas the advantages of being easy and convenient to operate, high in sensitivity, high in detecting speed, low in cost, and not limited by detecting equipment and can conduct rapid detection and on-site monitoring on great batches of pendimethalin samples.

The invention discloses an indirect competition enzyme linked immunosorbent assay kit for detecting toluidine fast red, belonging to the field of biological detection. The enzyme linked immunosorbent assay kit for toluidine fast red comprises a toluidine fast red specific monoclonal or polyclonal antibody, a coupler of toluidine fast red and carrier protein and an enzyme-labeled secondary antibody. The enzyme linked immunosorbent assay kit for detecting toluidine fast red is sensitive, quick and accurate and is mainly used for screening a large quantity of samples. Main reagents in the kit are provided in the form of working solutions, the operation is convenient, and the kit has the characteristics of high sensitivity, high precision, high accuracy and the like and can quickly detect para red remained in food.

The invention relates to a wood adhesive for building decoration and furniture, which is composed of the following components: phenolic resin, fluorosilicone resin, hydrogenated rosin, carbo resin, isobutyl propionate, methylaniline, butyl acetate, stearin Acid glyceride, polyhexamethylene guanidine hydrochloride, methyl p-hydroxybenzoate, vanillin, nano-zirconium phosphate silver-loaded antibacterial agent, vanadium trioxide powder, boron trioxide powder, molybdenum trioxide powder, Limestone powder, graphite fiber, rosin powder, carbon black, boron carbide powder, dibasic lead stearate, tri(butoxyethyl) phosphate, hexabromobenzene, sodium stannate, ethylene bisstearate Amide, aminoethylpiperazine, oleic acid amide, p-benzoquinone dioxime, 4,4'-diaminobiphenyl, polytrimethylene adipate. The product of the invention has comparatively superior properties of flame retardancy, acid and alkali resistance, anti-mildew and antibacterial performance, and improves product performance.

The invention relates to novel composite putty for surface repairing of steel structure components. The novel composite putty is constituted by main body putty and a curing agent; the mass ratio of the main body putty to the curing agent is 100:2 during using; the main body putty is prepared from the following components in parts by weight: 50-60 parts of waterborne carbon titanium cage resin, 2-10 parts of deionized water, 1-3 parts of BYK-980, 0.02-0.1 part of ethylparaben, 0.01-0.03 part of polyamide wax, 0.5-1 part of polymethyl methacrylate, 0.1-0.9 part of methyl toluidine, 0.01-0.08 part of methyl ethyl ketoxime, 1-3 parts of talcum powder, 3-6 parts of barium sulfate, 7-9 parts of titanium dioxide, 7-10 parts of metal zinc powder, and 11-16 parts of metallized fibers. By adding themetallized fibers to form a conductive network and by adding the metal zinc powder to ensure the low potential of a composite putty layer compared with a steel structure matrix, cathode protection and corrosion prevention after coating cracking are achieved, a crack is compensated through volume expansion caused by corrosion and oxidation of metal, the anticorrosion property of the steel structure components is improved, and the novel composite putty is particularly suitable for repairing engineering of the steel structure components under high-humidity and multi-sulfur maritime high-corrosion environments.

The invention discloses a preparation method for fluazinam. The method comprises the following steps: performing a reaction on 2-amino-3-chloro-5-trifluoromethylpyridine and 2,4-dichloro-3,5-dinitrobenzotrifluoride in the presence of a first organic solvent, an alkali and a catalyst at a specified reaction temperature to obtain a reaction mixture; and performing post treatment to obtain purified 3-chloro-N-(3-chloro-5-trifluoromethyl-2-pyridinyl)-alpha-alpha-alpha-trifluoro-2,6-dinitro-p-toluidine as a reaction product from the reaction mixture, wherein a catalyst is a phase transfer catalyst.According to the method disclosed by the invention, the phase transfer catalyst is added to the reaction, the reaction temperature is reduced, so that selectivity of the reaction is improved, an occurrence of a hydrolysis side reaction is inhibited, and a yield of the product is improved; and further, in the post treatment of the product, the alkali and the formed salt are removed by filtration and neutralization without water washing, and the alkali can be reused, so that generation of wastewater and waste of resources are reduced.

The invention belongs to the technical field of catalyst, and relates to a novel catalyst used for producing N-methyl aniline through the stationary bed reaction of aniline and methyl alcohol in gas phase method. The catalyst does not contain chrome, and the catalyst contains the following components by weight (accounted by oxide): 30 to 70 percent of copper, 10 to 50 percent of zinc, 5 to 20 percent of alkaline-earth metals, and 0.2 to 2 percent of rare earth element cerium or lanthanum. According to the invention, the catalyst does not contain chrome, so that not only the chrome pollution in the production process of the catalyst is reduced, but also the chrome pollution in the use process of the catalyst and down-stream products is reduced; and when N-methyl aniline is produced by using the catalyst, N,N-methyl toluidine generated in the reaction is rather low in content. The property of the catalyst can reach or surpass that of the products used in current industrial devices, the strength is high, and the conversion ratio as well as the selectivity is high. The working condition of the catalyst is that the pressure is normal pressure, the mole ratio of methyl alcohol and aniline is 1.5 to 1, and the liquid hourly space velocity is 0.6 h<-1>.

The present invention relates to a for determining the presence, absence or amount of biologically active or inactive HGF in a sample, comprising the steps: bringing the sample in contact with a gel comprising a HGF binding component of the extracellular matrix or cell membrane, adding toluidine blue to the gel, correlating the colour of the gel and / or a liquid in contact with the gel with the presence, absence or amount of biologically active HGF in the sample. It also relates to a kit of parts comprising toluidine blue and a gel comprising at least one HGF-binding component of the extracellular matrix or cell membrane, such as a proteoaminoglycan or a glucosaminoglycan, and optionally buffers, vials and sampling instruments and to a gel comprising at least one HGF-binding component of the extracellular matrix or cell membrane, such as a proteoaminoglycan or a glucosaminoglycan, toluidine blue and HGF.

The invention discloses a preparation method of an annular flexing resistant synchronous belt. The synchronous belt comprises the following raw materials by mass percentage: 4% of MOCA (4,4'-methylenebis(2-chloroaniline)), 1% of releasing agent, 5% of lubricant, 12% of chain extender, 8% of plasticizer, 5% of steel wire rope, 3% of glass cord, 2% of aramid fiber, 40% of polyhydric alcohol and 20%of polyisocyanate, wherein polyisocyanate is one of diphenylmethane diisocyanate, 2,4-toluene diisocynate, 2,6-toluene diisocynate, toluidine diisocyanate, xylidine diisocyanate, 1,5-naphthalene diisocyanate, polymethylene polybenzene isocyanate, isophorone diisocyanate, hexamethylene diisocyanate, dicyclohexyl methane diisocyanate and p-phenylene diisocyanate. The method obviously improves wearresistance, tension resistance and flexing resistance of the synchronous belt, and the whole synchronous belt has better properties.

A disclosed locomotive antifreeze fluid is composed of the following raw materials in parts by weight: 40-55 parts of diethylene glycol dimethyl ether, 3-5 parts of sodium benzoate, 2-7 parts of sodium silicate, 3-8 parts of borax, 0.1-0.5 part of sodium phosphate, 0.5-0.9 part of brown sugar, 0.1-0.4 part of toluidine, 0.1-0.3 part of a scale and corrosion inhibitor, 0.1-0.3 part of an anti-oxidant, and 40-50 parts of distilled water. The locomotive antifreeze fluid is excellent in stability and uneasy to volatize, does not obstruct pipelines, is high in antifreeze, antirust and antifouling properties, good in usage effect and low in product cost.

The invention discloses a green synthesis method of 2-trifluoromethylindole, which comprises the following steps: (1) mixing EDC, triphenylphosphine, triethylamine, trifluoroacetic acid, o-toluidine, a sodium bromide solution and alkali to obtain a reaction solution A; (2) conducting heating, conducting irradiating with an ultraviolet lamp, and adding a sodium hypochlorite solution to obtain a reaction solution B; (3) refluxing the reaction liquid B, conducting cooling and splitting phases to obtain a water phase I and an organic phase I; (4) extracting the water phase I with EDC to obtain an extracting solution; (5) filtering the organic phase I, and washing a filter cake with EDC to obtain a washing solution; (6) mixing the extracting solution, the filtrate and the washing solution, and conducting washing and drying to obtain a mixed solution; (7) conducting desolventizing and distilling to obtain a white intermediate; (8) dissolving the intermediate into a reaction solution C, then enabling a formed solution to flow through a magnesium fixed bed, conducting cooling after reaction, and adding an ammonium chloride aqueous solution for hydrolysis and phase separation to obtain a water phase II and an organic phase II; and (9) adding salt into the water phase II for saturation, conducting extracting with an organic solvent, mixing the extract and the organic phase II, and conducting washing, drying, desolventizing and crystallizing to obtain the product.

The invention relates to colored putty and a preparation method thereof, belonging to the field of putty and consisting of a main agent and a curing agent, wherein the main agent comprises unsaturated polyester resin, styrene, an accelerant, a polymerization inhibitor, a cobalt salt initiator, talcum powder, titanium pigment, methacrylic acid, phenylformic acid, toluidine, color concentrate and nitrile rubber; and the curing agent comprises colorless permanent curing agent and peroxide; and the colored putty is prepared by stirring the main agent with the curing agent in mass ratio of 100:2. The colored putty is suitable for coating the surface of an automobile body and has the advantages that primer is avoided, coating work procedures are reduced, the repair time is saved and the production cost is reduced.

The invention provides a method for making N-(1-ethyl propyl)-3,4-dimethylaniline, belonging to the dinitroaniline class pesticide technical field. The method has the characteristics that o-xylene is used as a starting material, which is nitrified under a function of a catalyst to obtain 3,4-dimethyl nitrobenzene, and is hydrogenated, added and re-hydrogenated with 3-pentanone under the function of the catalyst, and then the N-(1-ethyl propyl)-3,4-dimethylaniline is obtained. The content of N-(1-ethyl propyl)-3,4-dimethylaniline is more than or equal to 98 percent; the operation procedure is simplified, and the row material is easy to obtain with low cost, thereby easily and industrially realizing.

The invention discloses an oily soil detergent of a mechanical component, which is characterized by comprising the following substances in parts by weight: 23-35 parts of surfactant, 11-25 parts of hydrogen silicone oil, 9-15 parts of methyl silicone oil, 7-10 parts of sodium potassium tartrate, 2-8 parts of methyl toluidine, 1-3 parts of triethanolamine, 4-8 parts of halogen-free flame retardant, 1-3 parts of methyl phenyl siloxane branched prepolymer and 2-4 parts of modifier. The oily soil detergent can be prepared and used at normal temperature and pressure, can be used for most oily soil categories and has a good detergence effect.