388 results about "Quinone Compound" patented technology

The invention provides a high-performance hybrid separation membrane and a preparation method thereof. The interior of a matrix material of the separation membrane, the surface of the separation membrane and the surfaces of membrane pores all contain a poly-o-phenylenediquinone compound produced after oxidation of a pyrocatechol compound and cross-linked, cured and uniformly dispersed nano-materials. The preparation method comprises the following steps: adding a pyrocatechol derivative into a membrane-casting blended solution of the nano-materials and a polymer to promote bonding of the nano-materials and the polymer; and oxidizing the pyrocatechol compound into the poly-o-phenylenediquinone compound in the processes of phase inversion and film formation so as to realize cross-linking and curing of the nano-materials and dispersion of the nano-materials in the polymer matrix. The method comprises the concrete steps of preparation of the membrane-casting solution, blending of a coagulation bath, film formation and curing and / or modification.

An odor control composition that comprises an odor-reducing quinone compound and optionally high surface area particles is provided. In one embodiment, the odor-reducing quinone compound is an anthraquinone having the following structure: wherein the numbers 1 through 8 refer to optional substitution positions for functional groups. For example, positions 5 through 8 of the anthraquinone may be unsubstituted with functional groups. Examples of such quinone compounds may include those obtained from a dye selected from the group consisting of Acid Blue 25, Acid Green 41, Acid Blue 45, Mordant Violet 5, Acid Blue 129, Acid Green 25, D&C Green No. 5, Acid Green 27, and combinations thereof.

The present invention relates to quinone prodrug compositions and therapeutic methods using such prodrug compositions. Preferably, the quinone compounds of the invention are napthoquinone compounds such as β-lapachone or β-lapachone analogs. The quinone prodrug compositions of the invention exhibit improved solubility, stability, bioavailability, and pharmacokinetic properties, as well as improved plasma half-life in vivo.

The invention relates to a quinone compound anode material for an aqueous lithium ion battery. The quinone compound anode material is quinone polymers directly connected through C-C bonds or connected through N atoms or S atoms, or is a quinone compound formed by in-situ composition of a quinone compound monomer with a high-conductivity carbon material during the polymerization process, and the high-conductivity carbon material is selected from one or more of graphite oxide, carbon black, carbon nano tube and expanded graphite. The material has the advantages of high molecule designability, high discharging specific capacity (the maximum can reach 200mAh g<-1>, appropriate electrode potential (2-2.8V to Li / Li<+>), high rate capability and cycle performance and the like, and the aqueous lithium ion battery prepared from the material has the advantages of long cycle life, high efficiency, safety, low cost, environmental friendliness and the like.

The invention relates to a method for enhancing the property of a ramie fiber through oxidative degumming. The method comprises the following steps of mixing original ramie and a peroxide degumming solution according to mass ratio being 1 to 10, boiling for 40-60 minutes under the condition of 80-85 DEG C, wherein with respect to the weight percent of the original ramie, the peroxide degumming solution comprises the following components by weight percent: 1%-4% of sodium hydroxide, 3%-8% of peroxides, 0.5%-4% of quinones compounds, 1%-6% of a metal ion chelating agent, 2%-4% of a peroxide stabilizing agent, 2%-6% of a surface active agent and the balance being water; adding sodium hydroxide, boiling for 1-1.5 hours under the condition of 100 DEG C to obtain treated ramie; boiling the treated ramie and a reducing solution at 60-100 DEG C for 40-90 minutes, then applying oil, and drying. According to the method disclosed by the invention, needed degumming time is short and the efficiency is high and the bleaching and the degumming can be completed together; the prepared ramie fiber has good tensile property.

The invention discloses a bamboo parasitic fungus strain producing perylenequinone compound, and belongs to the biological engineering technical field. The strain of the invention is assorted and named as Shiraia sp. SUPER-H168 is stored in China Center for Type Culture Collection, and the accession number is CCTCC M 207104. The strain adopts the steps that the bamboo parasitic fruiting body grown on short bamboo on Mashan, Wuxi city, Jiangsu province is screened and separated, thereby the bamboo parasitic fungus strain havng steady property and producing the perylenequinone compound is obtained, and the perylenequinone compound can be produced through solid state fermentation or liquid state fermentation.

The invention discloses a quinonoid compound modified nylon membrane biological carrier and a preparation method and application thereof and belongs to the field of environmental engineering, chemical engineering and materials engineering. By adoption of the technical scheme, a quinonoid compound is fixed to a nylon membrane with excellent pore structure properties and amino active groups through a chemical grafting method, and a quinonoid compound modified nylon membrane biological carrier which is large in quinonoid grafting amount, high in water scouring resistance, stable in mechanical performance, free in biological toxic properties and high in catalytic efficiency is prepared and is applied to biodegradation and bio-denitrification of azo dyes. The quinonoid compound modified nylon membrane biological carrier has the beneficial effects that the preparation method is simple, and the reaction time and cost are saved; the carrier bonding is stable, and the catalytic efficiency is high. In addition, for a microbial denitrification process, the nylon membrane has high toughness and high biocompatibility, is easy to hang, has the characteristic of forming a stable microbial community and is suitable for industrial production and popularization and application.

The invention discloses a preparation method of a porous inorganic filling materials-fixed quinone compound, belonging to the technical field of water treatment in environmental engineering. The method comprises the following steps of: selecting porous inorganic filling materials such as ceramsites, volcanics and the like; plating gamma-aluminum oxide on the surface of the materials; aminating, so that the surfaces of the porous inorganic filling materials contain a certain quantity of primary amidogen; putting the aminated materials into hydrochloric solution to have reaction for protecting the primary amidogen; and putting the reacted porous inorganic filling materials into sodium hydroxide solution, adding sulfonyl chloride group-containing anthraquinone compound which is dissolved in dichloromethane, and reacting for 6-10h under the room temperature to fix the water-soluble quinone compound. The quinone compound-containing macroporous polymer is applied to an anaerobic reactor to be capable of improving the biotransformation speed of an organic matter which is hardly degraded. The method covalently fixes the quinone compound on the macroporous polymer of a biologic carrier, so that the redox medium is easily contacted with the microbe, thereby overcoming the problem of the secondary pollution since the water-soluble quinone compound flows out with the water.

The present invention discloses a material for 3D printing, a 3D printing apparatus using the material, and a product and a preparation method thereof, wherein the material comprise, by weight, 100 parts of a polymerizable monomer being an oligomer and / or a diluent monomer, 0.01-5 parts of a photoinitiator, 0-5 parts of a photoinitiator aid, and 1-20 parts of other functional aids, wherein the photoinitiator is one or a plurality of compounds selected from a quinone compound, a titanocene compound, an iodonium salt compound, a sulfonium salt compound and a triazine compound, and the compounds have activity under the radiation of laser or monochrome visible light having a visible light waveband of 415-780 nm. According to the present invention, the used light source has advantages of safety, low cost and the like compared to the commonly used ultraviolet radiation light source; and the printing material used by the method under the normal state is the liquid, has the adjustable viscosity, and has advantages of high printing precision, fast molding, high mechanical strength of the printed product, and the like.

The invention relates to a method for detecting 1,5-dehydration glucitol in blood and a kit, and provides a new method for detecting the content of the 1,5-dehydration glucitol in the blood, which comprises the following steps of: catalyzing the 1,5-dehydration glucitol by using pyranose oxidase to generate 1,5-dehydration fructose and H2O2; generating quinine compounds by using 4-aminoantipyrine(4-AAP), 3-hydroxy-2,4,6-trihydroxybenzoic acid (HTIB) and H2O2 under the catalytic action of horse radish peroxidase; and determining the level of the 1,5-dehydration glucitol in the blood by colorimetric analysis. The invention also provides the kit for the method. The method and the kit are easy and convenient to operate safely, long in stable time and high in interference resistance, specificity and sensitivity, the interference of multiple glucoses in blood samples can be eliminated quickly, and the reliable foundation can be provided for the diagnosis and treatment of diabetes.

The invention discloses an aromatic condensed ring quinones compound positive pole material for a one-class lithium secondary battery. The compound is a quinones compound which takes benzoquinone or isobenzoquinone with an aromatic condensed ring structure as a electrochemical oxidation reduction reaction locus, and the compound comprises an aromatic condensed ring benzoquinone derivative and an aromatic condensed ring isobenzoquinone derivative; the compound can join in pole preparation in a molecular crystal or polymer mode; in the polymer mode, corresponding structural units are directly connected through C-C bonds or connected through S atoms; and the benzoquinone / isobenzoquinone which is stabilized through an aromatic (hetero) condensed ring is used as the electrochemical oxidation reduction reaction locus and is compounded with conductive carbon in the molecular crystal or polymer mode so as to prepare the pole. The material has the advantages that the positive pole material has high energy density, rate power density and circulation stability, 86% of the initial capacity can be still maintained after being circulated for 50 cycles, so that the material can be probably applied to the next generation of environmental-friendliness energy storage batteries with high energy and high power.

The invention discloses a quinonoid compound modified nylon membrane biological carrier and a preparation method and application thereof and belongs to the field of environmental engineering, chemical engineering and materials engineering. By adoption of the technical scheme, a quinonoid compound is fixed to a nylon membrane with excellent pore structure properties and amino active groups through a chemical grafting method, and a quinonoid compound modified nylon membrane biological carrier which is large in quinonoid grafting amount, high in water scouring resistance, stable in mechanical performance, free in biological toxic properties and high in catalytic efficiency is prepared and is applied to biodegradation and bio-denitrification of azo dyes. The quinonoid compound modified nylon membrane biological carrier has the beneficial effects that the preparation method is simple, and the reaction time and cost are saved; the carrier bonding is stable, and the catalytic efficiency is high. In addition, for a microbial denitrification process, the nylon membrane has high toughness and high biocompatibility, is easy to hang, has the characteristic of forming a stable microbial community and is suitable for industrial production and popularization and application.

The invention discloses a preparation method of a porous inorganic filling materials-fixed quinone compound, belonging to the technical field of water treatment in environmental engineering. The method comprises the following steps of: selecting porous inorganic filling materials such as ceramsites, volcanics and the like; plating gamma-aluminum oxide on the surface of the materials; aminating, so that the surfaces of the porous inorganic filling materials contain a certain quantity of primary amidogen; putting the aminated materials into hydrochloric solution to have reaction for protecting the primary amidogen; and putting the reacted porous inorganic filling materials into sodium hydroxide solution, adding sulfonyl chloride group-containing anthraquinone compound which is dissolved in dichloromethane, and reacting for 6-10h under the room temperature to fix the water-soluble quinone compound. The quinone compound-containing macroporous polymer is applied to an anaerobic reactor to be capable of improving the biotransformation speed of an organic matter which is hardly degraded. The method covalently fixes the quinone compound on the macroporous polymer of a biologic carrier, sothat the redox medium is easily contacted with the microbe, thereby overcoming the problem of the secondary pollution since the water-soluble quinone compound flows out with the water.

A radio-sensitized resin composition comprises a copolymer (A) of (a1), (a2) and (a3), 1,2-diazido quinone compound (B), and a siloxane oligomer (C) with functional group for performing cross linking reaction with the copolymer (A) by heat, wherein the (a1) is unsaturated carboxylic acid and / or unsaturated carboxylic acid anhydrides, the (a2) is unsaturated compound containing epoxy group and / or trimethylene oxide group, and the (a3) is unsaturated compound except the (a1) and (a2). The radio-sensitized resin composition with high rediation sensibility has development allowance for forming good pattern shape even though exceeding the optimal developing time during developing and can easily form pattern shaped film with excellent compliance.

The invention relates to application of an immobilized quinone compound in accelerating the denitrification process of a microorganism, belonging to the technical field of chemical engineering, biological engineering and environmental engineering. The immobilized quinone compound is 1,8-dichloroanthraquinone and 1,5-dichloroanthraquinone or 1,4,5,8-tetrachloroanthraquinone. The immobilized quinone compound can intensify, regulate and control the denitrification process of an organism, accelerate the velocity and the capacity of the microorganism on the denitrification process of nitrogenous substances, effectively reduce the cost of water treatment and has the advantages of good stability, loss difficulty and reduced secondary pollution, low price of immobilized raw material sodium alginate, good biocompatibility, simple fixing process and low production cost and is easy to realize redox mediator recovery, regeneration and recycling.

The invention discloses an electroplating solution for copper plating and a preparation method thereof. The method comprises the steps that (1) copper salt, a quinonyl compound, catechol, potassium sulfate, malic acid, 2,2'-dipyridyl, complexing agents, reducing agents, stabilizer and water are mixed, and a mixture M1 is obtained; (2) alkaline is added to the mixture M1, the pH value is adjusted to 11-13, and a mixture M2 is obtained; and (3) the mixture M2 is post-processed, and the electroplating solution for copper plating is obtained. The quinonyl compound is one or several of 1,2-naphthoquinone, 1,4-naphthoquinone and anthraquinone. The electroplating solution for copper plating prepared through the method is stable in performance, and a copper-plated layer obtained through electroplating with the electroplating solution for copper plating is high in adhesive force, large in hardness and not prone to expanding and blistering.

The invention relates to a composition with the capability of providing the thermal stability for polymer and application of the composition. The composition is prepared from the following raw materials: (1) hindered phenol, (2) phosphate or thioester, (3) an acid-removing agent and (4) sulfite, bisulfate or sulfide, wherein the mass ratio of hindered phenol, phosphate or thioester, the acid-removing agent and sulfite, bisulfate or sulfide is 1:(1-4):(0.5-2):(0.5-3). The invention also provides the application of the composition serving as an antioxidant in polymer resin. The composition is capable of lowering the melt index of polyolefin, eliminating a quinones compound serving as an intermediate and lowering the yellow index of polyolefin.

The invention discloses a battery negative electrode active material based on a quinone structure, and a preparation method and an application of the battery negative electrode active material. The battery negative electrode active material comprises a quinone compound taking the quinone structure as an electrochemical oxidation-reduction reaction site, wherein the quinone compound comprises any one of a benzoquinone sodium salt derivate, an anthraquinone sodium salt derivate, or a naphthoquinone sodium salt derivate. The benzoquinone sodium salt derivate, the anthraquinone sodium salt derivate, or the naphthoquinone sodium salt derivate comprises at least one of the following groups of -ONa, -SO3Na, or -COONa.

The invention discloses an advanced waste water treatment method which comprises the following steps of: 1) using acid to adjust the alkalinity of waste water so as to lead the alkalinity of the waste water to be less than 100mg / L based on calcium carbonate, and then adding catalyst into the waster water, wherein the catalyst is compound containing enol group or quinones compound; 2) stirring the waste water treated by the step 1) in the air, and then adding H2O2 and ferrite for oxidizing reaction; and 3) after the reaction, adjusting the pH value of reaction liquid to be 6-9, adding flocculating agent, leading the reaction liquid to be mixed with the flocculating agent for solid-liquid separation, removing impurities inside water, and obtaining the waste water which is in accordance with the discharge standard. The method improves the Fenton oxidation rate, and reduces the ferrous adding quantity and the generating quantity of sludge.

Disclosed is a compound having excellent electron transporting ability, which is useful for electrophotographic photosensitive bodies or organic EL devices. Specifically disclosed is a novel quinone compound having a structure represented by general formula (I). Also disclosed is a highly sensitive, positive charge type electrophotographic photosensitive body for copying machines and printers, wherein the novel organic material is used as a charge-transporting material in a photosensitive layer. Also specifically disclosed is an electrophotographic photosensitive body having a photosensitive layer formed on a conductive base and containing a charge-generating material and a charge-transporting material, wherein the photosensitive layer contains at least one of the above-described compounds. Further disclosed is an electrophotographic apparatus using such a positive charge type electrophotographic photosensitive body.

The invention provides a method for direct oxidation of a phenol compound to prepare a p-benzoquinone compound. The method is characterized in that: the phenol compound is taken as the raw material, oxygen or an oxygen-containing gas is used as an oxidant in a liquid medium, under the action of a transition metal compound main catalyst and an amphipathic molecule cocatalyst, and under mild conditions, highly selective preparation of the p-benzoquinone compound is carried out.

The invention provides a method for preparing a p-benzoquinone compound through selective catalytic oxidation of a phenol compound. The method is characterized in that the p-benzoquinone compound is highly selectively prepared through a reaction of a raw material the phenol compound in a liquid medium under mild conditions under the action of a transition metal compound primary catalyst and a stellate molecule cocatalyst with oxygen or an oxygen-containing gas as an oxidant.

The invention provides a method for preparing hydrogen through photocatalytic decomposition of water by virtue of a photosystem II and semiconductor hybrid system, property of oxygen production through high-efficiency photocatalytic decomposition of water by a natural photosynthetic system II and hydrogen production through photocatalytic decomposition of water by a semiconductor material carrying metal cocatalyst can be combined, and hydrogen and oxygen production through full decomposition of water by using visible light can be realized. According to the invention, electron transfer between the photosynthetic system II and the semiconductor material in the hybrid system is realized by reduction and oxidation cycle processes of an iron complex, a cobalt complex, 2,6-dichlorphenolindophenol or quinone compound, under visible light condition, hydrogen production amount per hour of 1mum mol of the photosynthetic system II-semiconductor hybrid system through decomposition of the water can reach 4075 mum mol (calculating as 91 L hydrogen according to a standard state), and the quantum efficiency is 0.11%. The method provides a novel approach for producing cleaning fuel hydrogen by using solar energy.

The invention discloses a novel method for analyzing tyrosinase activity using carbon quantum dots as fluorescence probes, characterized in that when an assay system contains only tyrosinase or dopamine ,the fluorescence of the carbon quantum dots remains stable; and when the assay system contains tyrosinase and dopamine simultaneously, the tyrosinase catalyzes the oxidation of dopamine to producequinonoids, resulting in quenching of the fluorescence of the carbon quantum dots; based on which a fluorescence analysis method for detecting tyrosinase is established. The novel method for analyzing tyrosinase activity using carbon quantum dots as fluorescence probes has the advantages of being fast, sensitive and simple. Further, the quenching of the fluorescence of the carbon quantum dots hasa good linear correlation with the concentration of tyrosinase, and the detection limit is as low as 0.039 U / mL. Meanwhile, a recovery rate of tyrosinase in actual human serum samples is in a range from 93.3% to 112.7%. Therefore, the novel method for analyzing tyrosinase activity using carbon quantum dots as fluorescence probes is expected to be an effective method for clinically detecting tyrosinase.

The invention relates to a preparation method of a graphene oxide and quinone compound co-modified hydroxyl-containing macroporous foam carrier and belongs to the technical field of water treatment in environmental engineering. The preparation method comprises the following steps: preparing a graphene oxide modified polyurethane foam composite material from a hydroxyl-containing macroporous foam material at the room temperature by virtue of a physical adsorption method, and aminating the composite material until graphene oxide and polyurethane foam contain a certain amount of primary amine; and reacting by virtue of an anthraquinone compound containing sulfonyl chloride groups with primary amine, so as to fix a quinone compound, wherein the hydroxyl-containing macroporous foam material can be polyvinyl alcohol foam or polyvinyl alcohol doped polyurethane foam and the like. According to the preparation method, the quinone compound and graphene oxide are simultaneously fixed to the surface of the macroporous foam material, so that the contact among a redox mediator, graphene and microorganisms is facilitated; and the technical bottlenecks that graphene and the water soluble quinone compound in a water treatment system are difficult to be recycled and flow out along with water to cause secondary pollution are solved.

The invention relates to a novel quinone compound and a preparation method thereof. The compound has a structural formula which is shown in the specification, wherein n is equal to 4-28; and 1,4,5,8-tetrahydroxy-9,10-anthraquinone is used as a raw material and is subjected to one-step reaction in a solvent in the presence of a catalyst to prepare polyquinone oligomer. The oligomer can be used for a positive material of a high-specific-energy battery and can also be used for a photoelectric device material. The preparation method is simple and practical; a pure product can be obtained without purification; and the yield reaches over 80 percent.

The invention relates to a rechargeable quinone-manganese oxide aqueous battery. The positive electrode of the rechargeable quinone-manganese oxide aqueous battery adopts an embedded compound to / from which a lithium ion and a zinc ion can be jointly inserted / extracted, the cathode adopts a quinone compound taking benzoquinone / multi-quinone with an aroma cyclic structure as an electrochemical oxidation reaction point, an electrolyte is a liquid-state or get-state material which takes a lithium salt and a zinc salt as a solvent and water as solution and has ionic conductivity, more than one kind of ions are involved in transferring between two poles during charging and discharging, therefore, an electrode structure is stabilized, the cyclic life of the rechargeable aqueous battery is prolonged, and moreover, the rechargeable quinone-manganese oxide aqueous battery has the characteristics of safety, low cost, environment friendliness, overcharging and over-discharging resistance, and is particularly suitable for the field of energy storage at a large scale.

The invention discloses a positive electrode material of a secondary aluminum cell, a preparation method of the positive electrode material, and the secondary aluminum cell comprising a positive electrode. The secondary aluminum cell comprises a positive electrode, an aluminum-containing negative electrode and non-aqueous aluminium-containing electrolyte. Specifically, the positive electrode material is a graphene / quinones composite material, and quinones are formed by quinone and any one of corresponding derivatives; the negative electrode is formed by metallic aluminum or aluminium alloy.

The invention relates to a preparation method of a co-doped conductive polymer electrode material. The preparation method comprises the following steps of carrying out an electrochemical deposition method on a solution in which a 0.05-0.5M conductive polymer monomer, a 0.0005-0.01M water-soluble quinonoid and 0.05-5.0mg / ml nano carbon are dissolved so as to obtain a conductive polymer / quinonoid / nanocarbon composite material, and applying current of 0.1-2mAcm<-2>, wherein the electricity quantity of electrodeposition is 0.5-4 Coulomb, thereby obtaining the conductive polymer / quinonoid / nanocarbon composite material. The method can be carried out at normal temperature; equipment is simple, is easy to operate, and the used co-doped system is wide in selection range; the prepared porous conductive polymer composite material having a micro-nano structure is an electrode material with an excellent conductive performance and an electrochemical performance, and can act as an electrode of a metal-air battery.

The present invention provides an epoxy resin that has further improved heat resistance, while maintaining conventional adhesion, specifically a phosphorus-containing epoxy resin (A) which is obtained by reacting, as essential components, a phosphorus compound represented by general formula (1), a quinone compound and an epoxy resin (a), and which is characterized in that the epoxy resin (a) is a novolac epoxy resin that has a molecular weight distribution having a dinuclear component content of 15% by area or less, a trinuclear component content of 15-60% by area, and a number average molecular weight of 350-700 as determined by gel permeation chromatography.