Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

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 It was formerly used to make azo dyes, but it is a known carcinogen and has largely been replaced by less toxic compounds.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

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

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

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
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products