54 results about "Nitrosobenzene" patented technology

Disclosed is a multilayer body (1) which is obtained by joining a resin film layer (D)(2) with a rubber-like elastic layer (E)(3) through an adhesive layer (F)(4). The resin film layer (D)(2) contains at least a layer composed of a resin composition (C) wherein a soft resin (B) having a Young's modulus at 23 DEG C lower than that of a thermoplastic resin (A) is dispersed in a matrix composed of the thermoplastic resin (A). By using, for the adhesive layer (F)(4), an adhesive composition (I) obtained by blending not less than 0.1 part by mass of at least one of a maleimide derivative (H) having two or more reactive moieties in a molecule and poly-p-dinitrobenzene per 100 parts by mass of a rubber component (G), the multilayer body (1) can have good workability during production and excellent separation resistance.

The invention relates to a method for synthesizing 5-(alkylamide-)-9-(N, N-dialkylamide) benzo-phenoselenazine hydrochloride shown in a formula I by using nanometer copper oxide as a catalyst. A benzo-phenoselenazine derivant, namely the 5-(alkylamide-)-9-(N, N-dialkylamide) benzo-phenoselenazine hydrochloride is an excellent photosensitizer for a photodynamic therapy, has the absorption wavelength above 650 nanometers, good water solubility, larger absorption intensity, high tumor cell selectivity and short metabolic time and is easy for synthesis and structure modification, thereby being an ideal novel photosensitizer. The method comprises the following steps of: with 3-iodo-N,N-dialkylaniline and selenium powder as raw materials, preparing di-(3-N,N-dialkylaniline) diselenide shown in a formula II under the catalysis of copper oxide, carrying out a nitrosation reaction on the bi-(3-N,N-dialkylaniline) diselenide and sodium nitrite to generate a bi-(3-N, N-dialkylamide-6-nitrosobenzene) diselenide, and finally carrying out a cyclization reaction on the bi-(3-N,N-dialkylamide-6-nitrosobenzene) diselenide and N-alkyl-1-naphthylamine to prepare the benzo-phenoselenazine derivant shown in the formula I. The method for synthesizing the benzo-phenoselenazine derivant is mild in reaction conditions, simple to operate and high in yield; and the raw materials are available.

A bonding composition comprising at least an encapsulated aromatic nitroso compound, or an aromatic nitroso compound precursor and an encapsulated oxidant, or an encapsulated aromatic nitroso compound precursor and optionally encapsulated oxidant is provided. The compositions may find utility in polymer to metal, in particular, rubber to metal bonding. The aromatic nitroso compound or aromatic nitroso compound precursor may be nitrosobenzene / dinitrosobenzene or nitrosobenzene / dinitrosobenzene precursor respectively. The nitrosobenzene or dinitrosobenzene precursor may be a quinone oxime or a quinone dioxime.

The invention relates to a synthesis method of 1-propyl-[4-(4 '-butylphenylazo)] azobenzene. The synthesis method comprises the following steps: carrying out a reaction on potassium hydrogen persulfate and 4-nitroaniline to obtain 4-nitro-nitrosobenzene, carrying out a reaction on the 4-nitro-nitrosobenzene, 4-n-butylaniline and acetic acid, and carrying out post-treatment to obtain 4-n-butyl-4'-nitro azobenzene; the preparation method comprises the following steps: dissolving 4-n-butyl-4 '-nitroazobenzene in DMF (Dimethyl Formamide), and reducing by hydrazine hydrate to obtain 4-n-butyl-4'-aminoazobenzene; the preparation method comprises the following steps: stirring 4-n-butyl-4 '-aminoazobenzene, concentrated hydrochloric acid and water, dropwise adding a sodium nitrite solution, dropwise adding a propylaniline glacial acetic acid solution, reacting, and performing post-treatment to obtain the 1-propyl-[4-(4'-butylphenylazo)] azobenzene. The synthesis method of the 1-propyl-[4-(4 '-butylphenylazo)] azobenzene is reasonable in process design, low in raw material cost, easy in purification treatment, high in yield and suitable for small-batch production.

The invention discloses a cable with excellent mechanical properties. The cable comprises a conductor and a sheath layer covering the outer side of the conductor, wherein the sheath layer is prepared from the following raw materials in parts by weight: 15-28 parts of an ethylene-vinyl acetate copolymer, 22-28 parts of nitrile rubber, 5-15 parts of neoprene, 0.2-0.9 part of dioctyl adipate, 1-2 parts of dicyclohexyl phthalate, 1-2 parts of chlorinated paraffin, 0.5-1.2 parts of N,N'-m-phenylene bismaleimide, 1-2 parts of sulphur, 0.15-0.25 part of phenol-formaldehyde resin, 0.1-0.6 part of poly-p-nitrosobenzene, 5-10 parts of modified mulberry leaf powder, 40-60 parts of bentonite, 5-10 parts of active kaolin, 2-6 parts of kieselguhr, 5-12 parts of peanut protein, 1-2 parts of paraffin oil, 1-2 parts of epoxidized soybean oil, 1-2 parts of disproportionated rosin, 0.5-1.5 parts of an antioxidant 264, 0.5-1.5 parts of an anti-aging agent RD and 1-3 parts of zinc stearate.

The invention discloses an environment-friendly waterproof power cable. The environment-friendly waterproof power cable comprises a conductor and a sheath layer which coats the outer side of the conductor; the sheath layer comprises the following raw materials in parts by weight: 40 to 80 parts of polyisobutene, 15 to 35 parts of low-phenyl silicone rubber, 5 to 15 parts of metallocene polyethylene, 40 to 60 parts of white carbon black, 5 to 10 parts of calcined clay, 2 to 8 parts of organic montmorillonite, 5 to 12 parts of pyrolysis soot, 1 to 3 parts of C5 petroleum resin, 1 to 2 parts of liquid coumarone resin, 5 to 15 parts of modified glycine betaine, 1 to 2 parts of disproportionated rosin, 0.2 to 0.6 part of tri(nonylphenyl)phosphate, 1 to 2 parts of ascorbic acid, 0.1 to 0.6 part of zinc stearate, 1 to 2 parts of a vulcanizing agent DCP, 0.1 to 0.5 part of stearic acid, 0.1 to 0.3 part of potassium ammonium dichromate, and 1 to 2 parts of poly-p-nitrosobenzene.

The invention discloses an alpha-alkoxy-alpha-nitroxyacetate derivative, and a synthesis method and an application thereof. A diazonium compound, benzyl alcohol and nitrosobenzene which are used as raw materials undergo a one-step reaction at room temperature with allylpalladium chloride as a catalyst, an organic solvent as a solvent and 4A molecular sieve as an additive to obtain the alpha-alkoxy-alpha-nitroxyacetate derivative. The synthesis method of the alpha-alkoxy-alpha-nitroxyacetate derivative has the advantages of high atomic economy, high selectivity, low dosage of the catalyst, andsimplicity and safety in operation, and the alpha-alkoxy-alpha-nitroxyacetate derivative synthesized in the invention is an important organic synthesis intermediate. The alpha-alkoxy-alpha-nitroxyacetate derivative prepared in the invention can be used as an important intermediate for medicines and chemical industry, and has wide application prospects in the field of medicines.

The present invention relates to thermosetting formulations comprising (a) a triglyceride fraction whose fatty acid distribution contains at least 5% by weight, especially at least 60% by weight, of one or more omega-3 fatty acids and / or one or more omega-6 fatty acids; (b) at least one vulcanizing agent selected from the group consisting of (b1) sulfur, (b2) peroxide vulcanizing agents, (b3) quinones and / or quinonedioximes, and / or (b4) disulfides nitrobenzene; and (c) at least one inorganic filler.