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171 results about "2-Naphthylamine" patented technology

2-Naphthylamine is one of two isomeric aminonaphthalenes, compounds with the formula C₁₀H₇NH₂. It is a colorless solid, but samples take on a reddish color in air because of oxidation. It was formerly used to make azo dyes, but it is a known carcinogen and has largely been replaced by less toxic compounds.

Meteorologic balloon and production method thereof

ActiveCN101592742AThere will be no problem of uneven distributionAgainst destructive powerInstrumentsPotassium hydroxideDioctyl sebacate
The invention discloses a meteorologic balloon and a production method thereof. The raw materials consist of a solid raw material, an oily raw material and a gluey raw material; the solid raw material comprises the following components by weight: 0 to 0.30 portion of potassium hydroxide, 0 to 0.15 portion of casein, 0 to 0.10 portion of peregal O, 1.00 to 3 portions of sulfur, 1.00 to 2 portions of N-phenyl-2-naphthylamine, 1.00 to 2 portions of N-phenyl-N'-isopropyl-ursol, 1.50 to 3 portions of ethyl-phenyl-zinc dithiocarbamate, 0.20 to 5 portions of zinc oxide, and 5 to 30 portions of chloroprene polymer; the oily raw material is dioctyl sebacate, and the weight rate of the dioctyl sebacate is 5.00 to 10.0 portions; and the gluey raw material is centrifugally-concentrated natural latex, and the adding amount of the centrifugal concentrated natural latex is 100 portions. The weight of the meteorologic balloon is 1,600 to 1,700 grams, the length of the balloon body is 3.05 to 3.55 meters, the width of the ball handle is 10 to 11 centimeters, and the length of the ball handle is 12 to 16 centimeters. The meteorologic balloon can adapt to the requirement of probing high-altitude meteorological elements of more than 35,000 meters, has the advantages of good aging resistance, high blastoff height, long balloon service time and the like, and can effectively overcome the morning-evening difference.
Owner:CHEMCHINA ZHUZHOU RUBBER RES & DESIGN INST

Weather balloon as well as preparation method thereof and combined balloon containing weather balloon

ActiveCN103467792AImprove elongationIncrease elasticityInstrumentsMedicineWeather balloon
The invention provides a weather balloon which comprises the following components in parts by weight: 100 parts of concentrated natural latex by centrifuging, 0-0.30 part of potassium hydroxide, 0-0.2 part of casein, 0-0.15 part of peregal O, 1-2 parts of sulphur, 1-2 parts of N-phenyl-2-naphthylamine, 1-2 parts of ethyl-phenyl-zinc dithiocarbamate, 1-2 parts of N-phenyl-N'-isopropyl-p-phenylenediamine, 0.5-3 parts of zinc oxide, 3-5 parts of mechanical oil and 3-7 parts of emulsified paraffin. The invention further provides a preparation method of the weather balloon and a combined weather balloon. The average levitating height of the weather balloon which is in a specification of 750g reaches 30450 meters, and the effective rate of the balloons with the levitating height of 26000 meters is 88.2%. The average levitating height of the weather balloon which is in a specification of 1600g in rainy days reaches 33481 meters, and the effective rate of the balloons with the levitating height of 30000 meters is 91.7%. Demands on the weather balloons at present are achieved.
Owner:CHEMCHINA ZHUZHOU RUBBER RES & DESIGN INST

Gas-phase antirust agent containing modified nanometer bentonite

ActiveCN103103533AGood gas phase anti-rust effectGood vapor phase antirust effectGas phaseFerrocene
The invention discloses a gas-phase antirust agent containing modified nanometer bentonite. The antirust agent is prepared from the following raw materials in parts by weight: 90-95 parts of castor oil, 0.9-1.2 parts of ferrocene, 0.9-1.8 parts of polyisobutene, 1-2 parts of 2-aminoethyl heptadecenyl imidazoline, 0.8-1.3 parts of N-phenyl-2-naphthylamine, 1.1-1.7 parts of 1-hydroxybenzotriazole, 0.9-1.1 parts of urotropine, 1-2 parts of zinc dialkyl dithiophosphate, 0.4-0.8 part of sodium dodecyl benzene sulfonate, 4.4-4.8 parts of film-forming resins and 0.8-1.4 parts of modified nanometer bentonite. The gas-phase antirust agent has excellent contact antirusting performance and good gas-phase antirusting effect and has good gas-phase antirusting effect and contact antirusting effect on steels and brasses.
Owner:湖南三创富泰环保材料股份有限公司

Active red SBE, synthetic method and its composite active red dye

Disclosed is a red SBE monomer which is prepared by beating the cyanuric chloride and dispersing agent into powder form at the presence of trash ice, charging dried p(beta-sulfate ethyl sulfone) phenylamine for primary condensation, controlling pH=2-4, the temperature 6-12 deg. C, charging dired H acid for second condensation, controlling the temperature between 25-35 deg. C, controlling pH=3-5, carrying out diazonium salt coupling with dried 1,5-disulfonic acid -2-naphthylamine, direct drying by spray.
Owner:无锡润新染料有限公司

Algaecide for effectively removing algae and precipitating alga bodies

The invention relates to an algaecide. The algaecide which can be used for effectively removing algae and precipitating alga bodies contains chitosan, fly ash autoclaved brick powder and allelopathic chemicals of gallic acid, nonoic acid or N-phenyl-naphthylamine, and is obtained by dissolving a certain amount of chitosan by using hydrochloric acid, then adding the fly ash autoclaved brick powder of 40-200 meshes, and then adding the dimethyl sulfoxide assisted dissolved allelopathic chemicals of gallic acid, nonoic acid, N-phenyl-1-naphthylamine or N-phenyl-2-naphthylamine. The chitosan and the fly ash autoclaved brick powder used in the algaecide provided by the invention are nontoxic, the allelopathic chemicals of gallic acid, nonoic acid and the like belong to plant secondary metabolism products, can be degraded easily in a water body and cannot cause secondary pollution, and although the diluted HCl solution is used for dissolving chitosan, great changes of the pH value of the water body are not caused in a dosage range. The algaecide provided by the invention can be used for removing the algae effectively and ensuring that the alga bodies are sunk to the bottom of water, has a small influence on the environment and does not cause secondary pollution, the water body is clear, and the beautiful outlook of the water body is not influenced, so that the algaecide is suitable for removing the algae from a small landscape water body taking blue algae as a dominant species.
Owner:永城开控水务有限公司

Rubber material for wind power generation cable sheath

The invention discloses a rubber material for a wind power generation cable sheath. The rubber material is prepared from the following raw materials in parts by weight: 50-70 parts of chloroprene rubber, 10-18 parts of butadiene rubber, 20-32 parts of natural rubber, 15-20 parts of organic modified montmorillonite, 1-1.5 parts of magnesium oxide, 0.8-1.3 parts of zinc oxide, 1.5-2.8 parts of dicumyl peroxide, 0.3-0.8 part of triallyl polyisocyanurate, 1-3 parts of diisobutyl adipate, 0.8-2.2 parts of ethyl oleate, 5-8 parts of hazelnut oil, 1.2-1.6 parts of stearic acid, 20-35 parts of carbon black, 10-15 parts of carbon black purple, 1.0-1.5 parts of N-cyclohexyl-2-benzothiazole sulfonamide, 0.5-1.6 parts of tetramethyl thiuram disulfide, 1.8-2.2 parts of N-isopropyl-N'-phenyl p-phenylenediamine and 0.4-0.8 part of N-phenyl-2-naphthylamine. The organic modified montmorillonite is prepared by the following steps: adding sodium-based montmorillonite into water, stirring and standing and taking supernate; and after heating the supernate, adding octadecyl trimethyl ammonium chloride, carrying out ultrasonic treatment for 60-80 minutes, and after stirring, filtering and washing. The rubber material for the wind power generation cable sheath, which is disclosed by the invention, has low-temperature resistance and high elasticity and the flame retardance is further improved.
Owner:ANHUI LAND GRP

Orange reactive dyestuffs and preparation method thereof

The invention discloses orange active dye and a preparation process, which uses 2, 4-di-sodium sulfanilate as coupling component, uses 2-naphthylamine-disulfonic acid and beta-carboxy ethyl sulfuryl sulfuric ester aniline as diazo component, and is prepared through two-time coupling, filtering, drying and packaging. The active orange dye has extremely excellent dissolving property, over 96% dyeing exhausting rate, is significantly superior to acid dye, and greatly reduces the difficulties to treating environment.
Owner:TIANJIN DEK CHEM

High-glass-transition-temperature hole injection material and preparation method and application thereof

The invention belongs to the technical field of photoelectric materials and discloses a high-glass-transition-temperature hole injection material and a preparation method and application thereof. Thestructure of the high-glass-transition-temperature hole injection material is as shown in formula I. The preparation method of the high-glass-transition-temperature hole injection material comprises:(1) subjecting paraiodoanisole and 6-bromine-2-naphthylamine to reaction to obtain a compound 6-bromine-N, N-di-(4-methoxyphenyl)-2-naphthylamine as shown in formula II; (2) subjecting the compound asshown in formula II and bis(pinacolato)diboron to reaction to obtain a compound as shown in formula III; (3) subjecting the compound as shown in formula II and the compound as shown in formula III toreaction to obtain the hole injection material. The high-glass-transition-temperature hole injection material is high in glass-transition temperature, decomposition temperature and HOMO (highest occupied molecular orbital) energy level, good in hole mobility and beneficial to hole injection and transportation. The high-glass-transition-temperature hole injection material has promising applicationprospect in photoelectric devices.
Owner:SOUTH CHINA UNIV OF TECH

Room temperature phosphorescent material based on phenyl-2-naphthylamine or phenyl-2-naphthylamine and 4,4-dibromodiphenyl composite crystal, and preparation method and application thereof

The invention relates to room temperature phosphorescent material based on phenyl-2-naphthylamine or phenyl-2-naphthylamine and 4,4-dibromodiphenyl composite crystal, preparation method of the material, and application of the material in the organic white light material field, safety anti-counterfeiting identification field and other fields, and belongs to the technical field of organic room temperature phosphorescent materials. 2-Naphthylamine is connected with benzene rings or naphthalene rings having different substitutions, this type of molecules is as good as naphthylamine in emitting deep blue light and can also efficiently emit yellow-green phosphorescent light at low temperature. 4,4-Dibromodiphenyl provides, on one hand, heavy atoms for a body so that interstitial crossing rate of objective molecules from single linear state to triple linear state is increased, and avoids, on the other hand, the quenching of the objective molecules due to accumulation, thereby ensuring efficient luminescent efficiency. A white light luminescent material can be prepared by using fluorescent-phosphorescent double emission of the system, and long-life phosphorescent emission is potentially significant to bio-labeling and anti-counterfeiting identification fields.
Owner:JILIN UNIV

Rubber strippable paint and preparation method thereof

The invention relates to a rubber strippable paint and a preparation method thereof. The rubber strippable paint is characterized by comprising the following components: 10-25 parts of rubber, 1-3 parts of magnesium oxide, 0.1-0.5 part of N-phenyl-2-naphthylamine, 0.1-0.5 part of stearic acid, 0.5-2 parts of zinc oxide, 3-6 parts of carbon black, 50-65 parts of toluene, 5-10 parts of 50% pure phenolic resin solution and 10-20 parts of self-made vinylidene chloride anti-corrosive varnish. The preparation method comprises the steps of: rubber mixing; preparation of black slurry; preparation of glue solution; and preparation of paint by adding the glue solution and black slurry into a thinning tank, stirring for 1 h and adjusting viscosity by using the remaining 10% toluene. The invention has the following beneficial effects: self-made vinylidene chloride anti-corrosive varnish and 50% pure liquid phenolic resin are employed for modification on rubber to prepare the rubber strippable paint; and the paint film is tough, has excellent alkali resistance and acid resistance, good erosion ratio, easiness for stripping and neat trimming and is mainly used for temporary protection of chemical milling aluminum alloy.
Owner:天津灯塔涂料工业发展有限公司

Cable and application thereof to electric power system

The invention relates to a cable and application thereof to an electric power system. The cable consists of a cable conductor and an insulation material wrapping the cable conductor, wherein the insulation material is prepared from the following components: 90 to 100 parts of bisphenol F-type epoxy resin, 50 to 60 parts of phenolic resin powder, 25 to 30 parts of silicon carbide, 18 to 20 parts of white carbon black, 12 to 15 parts of N-ethyl-N-phenyl zinc aminodithioformic acid, 8 to 10 parts of calcium carbonate, 8 to 10 parts of kryocide, 6 to 8 parts of N-phenyl-2-naphthylamine, 5 to 7 parts of stearic acid, 4 to 6 parts of magnesium hydroxide, 4 to 6 parts of zinc borate, 2 to 3 parts of triallylamine isocyanuric acid ester, 2 parts of dimethylamino ethoxyethanol and 2 parts of oligopeptide. The prepared insulation material is good in mechanical performance and insulation and flame retardant performance, and the preparation method is simple.
Owner:STATE GRID CORP OF CHINA +1

Chloroprene rubber binder

The invention discloses a chloroprene rubber binder which is characterized by comprising the following components in parts by weight: 80-120 parts of chloroprene rubber, 20-30 parts of tertiary-butyl phenolic resin, 30-40 parts of cyclohexane, 120-140 parts of calcium carbonate, 70-80 parts of gasoline, 30-40 parts of acetone, 30-40 parts of ethyl acetate, 8-15 parts of zinc chloride, 5-10 parts of magnesium oxide and 2-3 parts of N-benzyl-2-naphthylamine. The binder disclosed by the invention has strong initial adhesion, high binding strength and high weather resistance, is free of benzene solvents, is safe and environment-friendly, and can be widely applied to binding woods, cement, metal base layers and flexible polyvinyl chloride.
Owner:沙士娥

Method for synthesizing reactive yellow DF 3RS

This invention discloses a method for synthesizing active yellow DF-3RS. The method comprises: (1) pulping 2-naphthylamine-3,6,8-trisulfonic acid, adding HCl and NaNO2, and reacting to obtain diazo salt; (2) pulping m-ureido-naphthylamine, adding NaHCO3 and the above diazo salt, and reacting to obtain a coupling compound; (3) adding the coupling compound into pulped cyanuric chloride suspension, and reacting to obtain a first condensate; (4) adding sulfate ethylsulfone naphthylamine, reacting, removing inorganic salts with an ionic membrane, and spray-drying to obtain yellow DF-3RS. The method can reduce the deterioration of the environment, and raise the product yield.
Owner:泰州市姜堰区东风染料化工厂

Method for preparing refined tobias acid from tobias acid wastewater

The invention relates to a production method of refined tobias acid from a tobias acid stripping solution after performing extraction-stripping in tobias acid wastewater. The invention aims at providing a method for preparing the refined tobias acid from the tobias acid wastewater, which can reduce consumption of energy and materials and also reduces the content of ammonia nitrogen and the content of strong cancerogenic substance, namely 2-naphthylamine in the wastewater. The adopted technical scheme is as follows: the method comprises the following steps of: performing acidolysis and centrifugal separation on the striping solution obtained by performing extraction-stripping on the wastewater for producing the tobias acid, and abandoning filtrate to obtain a tobias acid stripping material; heating the tobias acid stripping material, performing alkali dissolution, and then performing hot filtration to obtain a stripping material alkaline solution; performing cooling, crystallization, secondary acidolysis and centrifugal filtration on the stripping material alkaline solution to obtain a tobias acid wet product; and beating and washing the tobias acid wet product with ethanol, and performing centrifugal filtration and drying to obtain the tobias acid with the purity of not less than 97.0%. The production method disclosed by the invention can be widely applied in the technical field of preparation of the refined tobias acid from the tobias acid wastewater.
Owner:山西翔宇化工有限公司

Hard-film rust preventive oil

The invention discloses hard-film rust preventive oil. The hard-film rust preventive oil comprises, by weight, 63-70 parts of solvent oil 120#, 10-14 parts of barium soap of petroleum ester oxide, 1-2 parts of tert-butyldiphenylchlorosilane, 0.7-1.4 parts of tetradecanol oleate, 3-5 parts of polyoxyethylene stearate, 1-2 parts of N-phenyl-2-naphthylamine, 2-3 parts of oleic acid, 1-2 parts of 6-tert-butylorthocresol, 0.6-1 part of anhydrous ethanol, 2-3 parts of dodecenyl succinic anhydride, 0.6-1.3 parts of decabromodiphenylethane and 10-15 parts of a film-forming assistant. A film with the hard-film rust preventive oil has high hardness, good transparency, good corrosion resistance, salt mist resistance and damp-heat resistance. The used film-forming assistant can effectively improve film-forming effects, improve adhesive ability, and prevent shedding and cracking.
Owner:TIANCHANG RUNDA METAL ANTIRUST AUX

Medium corrosion-resistant fluorubber sealing gasket and production method thereof

InactiveCN106084578AExcellent medium corrosion resistanceImprove wear resistanceTert butyl phenolWater vapor
The invention discloses a medium corrosion-resistant fluorubber sealing gasket and a production method thereof. The sealing gasket is produced from, by weight, 30-50 parts of perfluoroether rubber, 20-40 parts of chloroprene rubber, 4-8 parts of bisphenol AF, 6-9 parts of white factice, 2-4 parts of thioisobutyramide, 19-33 parts of cancrinite powder, 12-24 parts of asbestos wool, 4-5 parts of diperoxocarbamate, 15-20 parts of colloid graphite powder, 3-5 parts of tetraethylammonium chloride, 7-11 parts of C5 petroleum resin, 4-6 parts of 1,2,3,4,5-pentachlorobibenzene, 20-30 parts of carbon black N990, 2-3 parts of 2,2'-methylenebis(4-ethyl-6-tert-butyl phenol), 1-2 parts of N-phenyl-2-naphthylamine and 15-20 parts of a modifier. The sealing gasket produced in the invention has the advantages of very protruding medium corrosion resistance, resistance to oil, acids, alkalis, salts, ethers, alcohols, water vapor and other corrosive media, and excellent wear, ageing and high temperature resistance.
Owner:HUAINAN CAOAN RUNLONG PLASTIC CO LTD
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