284 results about "Naphthol AS" patented technology

The invention relates to an epoxy resin composition and a high-frequency circuit board manufactured thereby. The epoxy resin composition comprises the following solid components: (A) cyanate compound or prepolymer thereof, wherein the molecule of the cyanate compound contains at least two cyanato groups; (B) active ester; and (C) epoxy resin containing a naphthol structure; calculated in solid component in parts by weight, the total amount of the component (A), i.e. the cyanate compound containing at least two cyanato groups in the molecule thereof or the prepolymer thereof, and the component (B), i.e. active ester, is 10-70 parts by weight, and the amount of the component (C), i.e. epoxy resin containing naphthol structure, is 30-90 parts by weight, wherein the weight ratio of the component (A), i.e. the cyanate compound containing at least two cyanato groups in the molecule thereof or the prepolymer thereof, to the component (B), i.e. active ester, is (0.2-5):1. The high-frequency circuit board manufactured by using the epoxy resin composition of the invention comprises a plurality of layers of prepregs which are overlapped mutually, and copper foils which are compressed on the two sides respectively; and each of the plurality of layers of prepregs comprises a base material and the epoxy resin composition which is adhered to the base material through impregnation and drying.

The present invention relates to a preparation method for a copper oxide-graphene nano-complex modification glassy carbon electrode, and an application of the electrode as a glucose electrochemical sensor in rapid glucose detection, and belongs to the technical field of electrochemical analysis detection. According to the present invention, an electrochemical catalytic oxidation effect is adopted, and a current-time curve method is adopted to carry out sensitive quantitative analysis determination on the glucose, wherein the electrochemical catalytic oxidation effect is provided by the glucose sensor, and the copper oxide-graphene nano-composite material is adopted to modify the glassy carbon electrode to prepare the glucose sensor. The key point of the invention is: coating a naphthol suspension of the graphene on the surface of the treated glassy carbon electrode in a dropwise manner; carrying out open-air drying to form a layer of uniform modification layer; and adopting an electrodeposition method with a characteristic of simple operation to prepare a sensitive layer of the copper oxide-graphene nano-complex to achieve the stable catalysis of the glucose oxidation. The prepared glucose sensor of the present invention can be used clinically in detection analysis of blood glucose content in serum, and the determination process has characteristics of rapidness, sensitivity, accuracy, stability, low interference and the like.

A color toner (magenta toner) showing not only color image forming performances such as color reproducibility, gradation characteristic, light-fastness, full-color image forming characteristic and a chargeability but also excellent in matching with various members of an electrophotographic apparatus is produced from a binder resin, a wax component and a specific monoazo pigment composition. The monoazo pigment composition is characterized by a principal monoazo pigment of a specific structure and specified amounts of a beta-naphthol derivative and an aromatic amine, usable as materials for synthesizing the monoazo pigment.

The invention relates to an in-vitro detection reagent for clinical diagnosis, particularly a reagent for determining metabolic disorder in a human body, particularly a p-hydroxy phenylalanine urine detection reagent and a preparation method thereof. The urine detection reagent is prepared by respectively dissolving Hg2<+>, Hg<2+>, Ni<2+> and alpha-nitroso-beta-naphthol in corresponding acid solutions and proportionally mixing. The mercuric sulfate is dissolved in a sulfuric acid solution as a donor of Hg<2+>, the mercurous nitrate is dissolved in a nitric acid solution as a donor of Hg2<+>, the nickel sulfate is dissolved in distilled water as a donor of Ni<2+>, and the alpha-nitroso-beta-naphthol is dissolved in a nitric acid solution. The invention overcomes the defects in the prior art, and provides a new-formula metabolic disorder quick urinalysis reagent which has the advantages of high stability, high sensitivity and wide application range.

A new underlayer composition that exhibits high etch resistance and improved optical properties is disclosed. The underlayer composition comprises a vinyl or acrylate polymer, such as a methacrylate polymer, the polymer comprising at least one substituted or unsubstituted naphthalene or naphthol moiety, including mixtures thereof. Examples of the polymer of this invention include:

where each R₁ is independently selected from an organic moiety or a halogen; each A is independently a single bond or an organic moiety; R₂ is hydrogen or a methyl group; and each X, Y and Z is an integer of 0 to 7, and Y+Z is 7 or less. The organic moiety mentioned above may be a substituted or unsubstituted hydrocarbon selected from the group consisting of a linear or branched alkyl, halogenated linear or branched alkyl, aryl, halogenated aryl, cyclic alkyl, and halogenated cyclic alkyl, and any combination thereof. The compositions are suitable for use as a planarizing underlayer in a multilayer lithographic process, including a trilayer lithographic process.

Naphthol AS pigments of formula (IV) have a maximum content of the secondary components (1) to (5) defined by the following upper limits (see the table).

The invention provides a preparing method of mannich base. The method takes three components of aldehyde, amine, ketone or naphthol as a raw material, takes water as a solvent, and takes liquid superacid as a catalyst, the raw material, the solvent and the catalyst are reacted at normal pressure and room temperature, and then recrystallized and dried to obtain the product of mannich base. The method has the advantages of mild condition, convenient operation, environment protection, high efficiency, good selectivity, high productivity and easy realization.

The invention discloses a method for synthesizing a flower-shaped nanometer structure consisting of zinc oxide nanometer rods, which belongs to the field of inorganic non-metal materials, and comprises the steps: soluble zinc salt such as zinc acetate is dissolved in water and added with an appropriate amount of paranitrobenzoic acid or ethyl naphthol to be taken as an auxiliary agent, NaOH solution is used for regulating the pH value to be 12-14, and precipitate and the solution are heated in a high-pressure autoclave for the growth of the nanometer zinc oxide. The heating mode can be microwave heating or resistance wire heating, and the outgrown nanometer structure is the flower-shaped nanometer structure consisting of the nanometer rods. The method has the advantages of simple technology and low cost, and uses the paranitrobenzoic acid or ethyl naphthol as the auxiliary agent for controlling the appearance and the size of zinc oxide crystal.

The invention discloses a green preparation method for 14-aryl group-14 H-dibenzo [a, j] xanthene type derivative and belongs to the technical field of chemical material preparation. According to the preparation method, in preparation reaction, the molar ratio of aromatic aldehyde to 2-naphthol is 1 to 2; the molar weight of the catalyst is 3-5 % of aromatic aldehyde; the reaction temperature is 110 DEG C; the reaction time is 10-30 min; the preparation method comprises the following steps: after reaction, water is added for cooling; a great amount of solid materials are precipitated; the solid materials are grinded and stand still and then are subjected to suction filtration; the obtained filter residues are water-washed and dried and then an aqueous solution with 95% of ethyl alcohol is adopted for recrystallization; the pure 14-aryl group-14 H-dibenzo [a, j] xanthene type derivative is obtained after vacuum drying. Compared with other preparation methods using acidic ionic liquid as the catalyst, the preparation method has the advantages that the catalyst activity is good, the losses in recycling are less, the biological degradation is easy to realize, the whole preparation process is simple, convenient and economic and the industrialized mass production is facilitated.

The invention discloses a QCM detection method for detecting lysozyme based on multiple signal amplification technologies and application. The QCM detection method comprises the following steps that DNA hybridizes with lysozyme aptamer partially in a complementary mode, and through the specific binding reaction of the lysozyme and the lysozyme aptamer, the DNA is released; a Y-shaped structure is formed by complementary hybrid of the released DNA with hairpin DNA and assistant DNA modified on a gold leaf, and under the action of restriction enzyme, the hairpin DNA is cut and opened through specific identification sites; under the action of DNA ligase and DNA polymerase, using locking-ring-shaped DNA as a template chain, polymerization growing along the opened hairpin DNA is carried out, and a single chain with a large number of repeated sequences is formed; a signal probe marked with biotin hybridizes with the generated repeated sequences in a complementary mode, and after binding with streptavidin marked by HRP, hydrogen peroxide is catalyzed to oxidize 4-chloro naphthol, and precipitation reaction is generated; and accordingly the chip surface quality is increased, and the high-sensitivity detection of the QCM to the lysozyme is realized.

The invention discloses a naphthol-derivative quaternary ammonium salt cationic surface active agent and a preparing method thereof, and relates to a quaternary ammonium salt cationic surface active agent and a preparing method thereof. The naphthol-derivative quaternary ammonium salt cationic surface active agent and the preparing method aim at solving the technical problems that an existing quaternary ammonium salt cationic surface active agent is high in critical micelle concentration and low in surface activity. The chemical name of the naphthol-derivative quaternary ammonium salt cationic surface active agent is N-alkyl acyl methyl-N-[2-(2-naphthyl oxethyl acetyl)-ethyl]-N,N-dimethyl ammonium halide, and the structural formula of the naphthol-derivative quaternary ammonium salt cationic surface active agent is shown in the specification. The preparing method includes the steps that a solvent, N-acetyl-(2-naphthyl oxethyl)-N,N-dimethyl ethylene diamine and halogen acetyl alkylamine are added into a reactor, heated, stirred and reacted, and the naphthol-derivative quaternary ammonium salt cationic surface active agent is obtained. The critical micelle concentration of the naphthol-derivative quaternary ammonium salt cationic surface active agent is 0.005-0.28 mmol/L, and the surface activity is high; in addition, the preparing method is simple, reaction conditions are easy to control, and the product is easy to separate and purify. The naphthol-derivative quaternary ammonium salt cationic surface active agent and the preparing method can be used for the fields of cosmetics, sterilization, pharmacy and petrochemical engineering.

The invention discloses a textile fabric coloring agent. The textile fabric coloring agent is prepared from the following raw materials in parts by weight: 8 to 12 parts of cobaltous sulfate, 7 to 10 parts of aluminum ammonium sulfate, 3 to 7 parts of butyl methacrylate, 2 to 5 parts of ethyl acetate, 3 to 6 parts of trimethylolpropane, 7 to 9 parts of camphor tree leaf extract liquor, 6 to 8 parts of ferrous sulfate, 5 to 10 parts of aluminum sulfate, 3 to 7 parts of glycerol, 2.5 to 3.2 parts of hydroxypropyl methyl cellulose, 1 to 4 parts of imidazoline, 1.2 to 2.4 parts of 2-naphthol and 12 to 26 parts of modified starch. The textile fabric coloring agent has the beneficial effects of high colorability, prevention of fading, bright color and harmlessness to human bodies.

The invention discloses a method for cooperatively producing 1-naphthol and 2-naphthol from a naphthalene sulfonation product by virtue of direct alkali fusion. The method comprises the following steps: performing multiple sulfonation reactions on naphthalene and concentrated sulfuric acid, directly performing an alkali fusion reaction on the obtained liquid sulfonation product and sodium hydroxide in a molten state, and then diluting, acidifying, boiling for layering, dehydrating and drying, rectifying and separating, thereby obtaining high-purity 1-naphthol and 2-naphthol simultaneously. The steps of hydrolyzing, naphthalene blowing, neutralization, cooling and crystallization and filtration of sulfonation products, and feeding for performing alkali fusion on a water-containing filter cake at a normal temperature in the existing process are avoided; no filtration wastewater difficult to treat is not generated anymore, the energy source and the resources are saved, the yield is increased and the operating environment is improved; as a result, the problems of three-waste treatment during naphthol production are thoroughly solved from the production process.

This invention relates to an ink jet ink set comprising; A) a cyan ink comprising an aqueous vehicle and a sulfonated copper phthalocyanine dye, B) a magenta ink comprising an aqueous vehicle and an azo-naphthol derivative magenta dye, a metal complex magenta dye, or a anthrapyridone magenta dye or mixtures thereof, C) a yellow ink comprising an aqueous vehicle and a pyrazoleazoindole yellow dye or azo pyrazole-azole yellow dye or mixtures thereof and D) a black ink comprising an aqueous vehicle and a metal complex black dye.

The invention discloses a harnessing method of naphthol manufacturing waste water and recycling method of naphthol and a-haphthylamine, which comprises the following steps: filtering naphthol manufacturing waste water; removing suspension; making filtrate through adsorption tower with large-hole resin; stopping adsorbing until the adsorption reaches leakage point; adopting carbinol or alcohol water solution as desorption agent to regenerate; obtaining alcoholic solution of naphthol and a-haphthylamine as desorption agent; rectifying the desorbed alcoholic solution; returning remained composition of naphthol and a-haphthylamine in the dehydrating procedure of original manufacturing process. The invention makes naphthol density less than 3mg/L, a-haphthylamine density less than 2mg/L and COD less than 100mg/L, which recycles resource to reduce manufacturing cost obviously.

The invention relates to a sulfonation and alkali fusion optimized production process for 2-naphthol, and belongs to the field of organic chemical industry. By taking refined naphthalene as a material, 2-naphthol is prepared through processes such as sulfonating by 98% sulfuric acid, salting-out, alkali-fusing, acidifying, distilling, and the like. Defects of sulfonating, hydrolyzing and naphthalene-blowing, neutralizing, cold-separating, drying, alkali-fusing, acidifying and distilling in the convention process are overcome, the process is optimized, process flow is shortened, production cost is lowered, and no wastewater is produced; besides, the sulfonation and alkali fusion optimized production process for 2-naphthol has positive meaning for environment protection, and is especially applicable to production and usage of 2-naphthol.

The invention discloses pendant naphthalene group-containing cyclopentadienyl-iron-benzyl ferrocenium salt compounds used as photoinitiators for cationic photopolymerization, and belongs to the technical fields of organic synthesis and cationic photopolymerization. The preparation method of the compounds comprises two steps: 1, taking ferrocene and chlorobenzene as raw materials, and generating ligand exchange reaction to obtain cyclopentadienyl-iron-chlorobenzene salts under the catalysis of Lewis acid; and 2, generating nucleophilicsubstitutionreaction with corresponding naphthol compounds under alkaline environment, and introducing the pendant naphthalene group onto the benzene ligand. The compounds have good ultraviolet absorptivity and photo initiating activity, can initiate polymerization of epoxy compounds and vinyl ethers compounds, and have wide study potential and application prospect in the field of photocuring application.

The invention discloses a photochromic naphthopyrans compound and the synthesis process in the chemical industry technology field. The synthesis process comprises heating up 3 substituted beta naphthol and propargyl alcohol compound under the catalysis condition to reduce into propargyl ether, conducting a Claise rearrangement reaction, finally generating naphthopyrans compound through the cyclization of quinoid compound. The structural general formula is showed as followed, wherein R1 and R2 respectively represent alkyl, nitro, alkoxy and halogen atom. The naphthopyrans compound of the invention is mainly used as photochromic matters of lens such as sunglasses and windscreen of cars and the like.