Process for separating and purifying high-purity 1,8-dinitroanthraquinone

A process for separating and purifying high-purity 1,8-dinitron anthraquinone is disclosed. In the mixture of 1,8-, 1,5-, 1,6- and 1,7-dinitro anthraquinone isomers which are obtained from anthraquione by acid mixing method or solvent method, the 1,8-dinitro anthraquinone is a prismoid-shaped great crystals and others are amorphous small crystals. According said polysical characteristic, the high-purity (98%) 1,8-dinitro anthraquinone can be obtained by more deposition-floating steps in water. Its advantages are high purity, full recovery of other isomers, cycline use of wate, low cost and noenvironmental pollution.

Synthesis method of 1-aminoanthraquinone

The invention relates to the technical field of synthesis of dye intermediates, in particular to a synthesis method of 1-aminoanthraquinone. The method specifically comprises the following steps: adding 1-nitroanthraquinone and stannous chloride into a reaction medium hydrochloric acid solution according to a molar ratio to prepare 1-aminoanthraquinone, and oxidizing stannous chloride into stannic chloride; then, the filtrate obtained through the reaction is divided into two parts, stannic chloride in one part of the filtrate is reduced into stannic chloride through an electrochemical reduction method, stannic chloride and stannic chloride in the other part of the filtrate are subjected to an oxidation-reduction reaction to generate stannous chloride, stannous chloride recovery is achieved, the recovered reducing agent is used for reduction of the next batch of 1-nitroanthraquinone, and the yield of 1-nitroanthraquinone is increased. And cyclic utilization of the reducing agent is realized ...

Technological process of synthesizing 1-amino-4-bromo anthraquinone-2-sodium sulfonate

The present invention provides one new technological process of synthesizing bromamine acid with 1-aminoanthraquinone through sulphonation, desulphonation and bromation inside fuming sulfuric acid. The increased desulphonation after sulphonation makes it possible to convert most 1-aminoanthraquinone-2,4-disulfonic acid and other disulfonated side products into effective component 1-aminoanthraquinone-2-sulfonic acid. At the same time, most other sulfonated side products are converted into water insoluble 1-aminoanthraquinone so as to reach a total yield of 1-bromoanthraquinone-2-sodium sulfonate of 86-89% and product purity higher than 99%.

Hole transport material and preparation method and application thereof

The invention discloses a hole transport material and a preparation method and application thereof, the hole transport material is selected from at least one of compounds shown in a formula (I), in the formula (I), R1, R2 and R3 are independently selected from hydrogen, halogen, alkyl, alkoxy, aryl or biaryl, and the repeated R1 to R3 are the same or different. The hole transport material is simple to synthesize and does not need to be doped. The hole transport material can provide more excellent photovoltaic performance and more excellent stability for a solar cell device.

Seal structure of dye sensitization solar battery

A sealed structure of dye-sensitized solar cell, which belongs to the field of photoelectric conversion device technology, comprises a first electrode and a second electrode arranged correspondingly, wherein the peripheries of the first and the second electrodes are sealed to form a sealed cavity, and the cavity is filled with electrolyte. The sealed structure is characterized in that at least two layers of sealing material are used for composite sealing. The invention can meet different sealing requirements by adopting different sealing material, thus greatly widening the selection range of the sealing material, effectively lowering the production cost of the solar cell and greatly improving the success rate in sealing the solar cell.

Human vessel endothelium growth factor resisting single stranded antibody and its preparation

The present invention relates to single chain antibody (ScFv) of antihuman vascular endothelial growth factor (VEGF) for curing tumor of human body. Its aesign and preparation. It prepares VEGF synthetic peptide to establish antihuman VEGF monoclonal antibody (MAb) hybridoma cell strain. SAid MAb possesses stable bioactivity and obvious tumor-inhibiting action. Said invention make RT-PCR amplificatino of light and heavy chain genes of MAb variable region, and uses DNA fragment to implement connection to constitute antihuman VEGF ScFv gene and finally obtain the high-effective expres of ScFv. The tests show that said antihuman VEGF ScFv is small in molecular weight, possesses strong power for penetrating tumor ittue, its immunogenicity is low, so that it possesses the tumor-resisting function.

1-氨基-4-溴蒽醌-2-磺酸钠的合成工艺方法

... 本发明提供了一种1-氨基蒽醌在发烟硫酸中，经磺化、脱磺、溴化一浴法合成溴氨酸的新工艺。磺化后，增加脱磺，可将大部分1-氨基蒽醌-2，4二磺酸及其它位置的二磺化副产物转变成有效成份1-氨基蒽醌-2-磺酸。同时，还将大部分产生在蒽醌环上其他位置的一磺化副产物转变成不溶于水的1-氨基蒽醌，从而使1-氨基蒽醌制备1-氨基-4-溴蒽醌-2-磺酸钠的总收率达到86-89％，产品的纯度大于99％。新工艺简化了合成工艺和设备，提高了产品的质量，降低了生产成本。 ...

Phenothiazines dye used for dye sensitization solar battery

The invention relates to a phenothiazine dye used in dye-sensitized solar cells and pertains to photoelectric transformation material application field. The structure of the dye is that the phenothiazine and derivatives thereof are taken as EDS and contains different amount of aromatic cyclic structure unit or multiple olefin structure adjustable with absorption spectrum and fluorescence emissionspectrum and as bridged chain to connect the organic dye with different electron absorbing groups. Since the phenothiazine as chromophore group has good electron supply capacity, the aromatic cyclic structure unit or the olefin structure can function to broaden absorption range of visible light of the dye and electron transmission capacity and by connecting with the electron absorbing group of different types, the dye has good light, thermal and chemical stability and photoelectric transformation property. The dye is applicable in dye-sensitized nanometer solar cells as organic photosensitivedye ...

Process for producing high purity 1,8-dinitro anthraquinone

Anthraquinone is dinitrified to obtain the mixture of 1,8-,1,5-, 1,6- and 1,7-dinitro anthraquinone isomers. By means of the large crystal characteristics of 1,8-dinitro anthraquinone, 1,8-dinitro anthraquinone product with purity as high as 98% of obtained through sieving in 50-500 mesh at 0-100 deg.c by using water as medium. In the process, water is utilized circularly and this results in no "three waste" generated, no loss of dinitro anthraquinone and low separation cost.

Refining technology of high-purity sodium bromaminate

The technological process for refining dye intermediate sodium bromaminate is characterized by combining synthesis and refining process together, making crude sodium bromaminate pass through such processes as dissolving, filtering and direct cooling treatment to make sodium bromaminate separate from, and using brominating process or refining process to obtain the refined sodium bromaminate. Said process is low in cost, high in yield and free from environmental pollution.

Electrically heated automobile windshield glass

The invention provides electrically heated automobile windshield glass. The electrically heated automobile windshield glass comprises at least one layer of FTO (Fluorine-doped Tin Oxide) conductive glass substrate, wherein electrodes are printed on or adhered to two opposite edges of the FTO conductive glass substrate and are electrically connected with a power supply. The electrically heated automobile windshield glass is simple, reasonable and compact in structure; the FTO conductive glass substrate of which the heating performance is not greatly changed serves as a heating medium of the electrically heated automobile windshield glass, the curved surface and the shape of the machined glass can meet various automobile requirements, and the glass is attractive in appearance and good in rearview effect; moreover, due to the adoption of a surface heating mode, the electrically heated automobile windshield glass is uniformly heated, is not easy to crack, and is high in defrosting speed, deicing ...

Perovskite-type battery based on carbon counter electrode and preparation method thereof

The invention provides a perovskite-type battery based on a carbon counter electrode and a preparation method thereof. The perovskite-type battery includes a conductive glass substrate, a TiO2 compact layer, a semiconductor nano porous thin film, a perovskite-type light-absorption agent thin film and a conductive carbon thin film, which are sequentially connected in parallel. The perovskite-type battery based on the carbon counter electrode is reasonable and compact in structure, easily obtainable in raw material and low in cost. The invention also provides the preparation method of the perovskite-type battery based on the carbon counter electrode. The method is simple and easy to realize and capable of realizing industrial production of the perovskite-type battery based on the carbon counter electrode.

Ester phosphate electrolysis solvent for dye sensitization solar battery and use thereof

Solar battery electrolyte and application thereof

The invention provides a solar battery electrolyte and an application thereof, belonging to the technical field of solar batteries. The electrolyte can be liquid, jellylike or quasi-flow colloid. The invention is characterized in that the electrolyte at least comprises S<2->/Sx<2-> redox couples, and organic cation solvent matched with S<2->/Sx<2-> or a mixture of solvent and gelatinizer, wherein x is an integer between 2 and 6. The invention also relates to an application of the electrolyte in dye-sensitized solar batteries and quantum point batteries. By utilizing the S<2->/Sx<2-> redox couple electrolyte into the dye-sensitized solar batteries and quantum point solar batteries, most of flow concentration materials can be directly used and can not be corroded by the electrolyte, thus the preparation process of batteries can be greatly simplified, the production cost can be lowered, and the performance of the prepared battery is approximate to that of the battery in the prior art.

Automobile electric heating glass window and manufacturing method

The invention relates to the technology of automobile glass, and discloses an automobile electric heating glass window and a manufacturing method. Firstly, trapezoid cutting, edge polishing and washing are carried out on an FTO conductive glass substrate, and the FTO conductive glass substrate is dried to be used later; secondly, the hot bending and the tempering process are carried out on the processed FTO conductive glass substrate through a die, and after bent glass with the needed strength and curvature is obtained, the edge and two opposite frames of the glass substrate are printed or pasted with conductive metal strips to form the positive electrode and the negative electrode; lastly, the positive electrode metal strip and the negative electrode strip are connected with a power source through an electrical connecting device, and then the automobile electric heating glass window is manufactured. The face heating method is adopted, the automobile glass can be heated more evenly, and ...

Process for comprehensive utilization of waste sulfuric acid from 3, 3'-dichloro benzidine hydrochloride

The invention provides a process for comprehensive utilization of waste sulfuric acid from 33'-dichloro benzidine hydrochloride, which comprises preparing 2,2'-dichlorin hydrazobenzene toluene reduction liquid by means of catalytic hydrogenation reduction method, then carrying out filtration, salt producing, extraction, crystallizing, re-filtration, and drying. The process can reduce the discharge of waste acid by 80%.

Disinfection channel for large pig farm

The invention belongs to the technical field of sterilization and disinfection channels, and particularly relates to a large pig farm disinfection channel which comprises a channel body, a first disinfection nozzle, a disinfection and disinfection assembly and a lifting assembly. The channel main body is of a shell structure and is internally provided with a disinfection channel; the plurality of first disinfection nozzles are mounted on the side wall of the channel main body and are used for spraying a disinfectant into the disinfection channel; the disinfecting and killing assembly can provide a grabbing part for the hand of a user and disinfect the palm and the back of the hand of the user. The lifting assembly is connected with the disinfecting and killing assembly and can drive the disinfecting and killing assembly to ascend, and the disinfecting and killing assembly ascends to drive the arms of the user to ascend, so that the armpits and the inner sides of the arms of the user are ...

Selenium disulfide anti-dandruff synergist composition and application thereof

The invention relates to the technical field of C11D, in particular to a selenium disulfide anti-dandruff synergist composition and application thereof.The selenium disulfide anti-dandruff synergist composition at least comprises selenium disulfide, hydroxyalkyl phosphonate, hydroxamic acid and derivatives thereof, and the selenium disulfide anti-dandruff synergist composition can be widely added into hair washing products for use and is small in irritation to scalp and free of dandruff. The anti-dandruff shampoo has a remarkably improved anti-dandruff effect, the formula matching compatibility is high, and the formula stability of the shampoo product is guaranteed.

Phenothiazines dye used for dye sensitization solar battery

The invention relates to a phenothiazine dye used in dye-sensitized solar cells and pertains to photoelectric transformation material application field. The structure of the dye is that the phenothiazine and derivatives thereof are taken as EDS and contains different amount of aromatic cyclic structure unit or multiple olefin structure adjustable with absorption spectrum and fluorescence emission spectrum and as bridged chain to connect the organic dye with different electron absorbing groups. Since the phenothiazine as chromophore group has good electron supply capacity, the aromatic cyclic structure unit or the olefin structure can function to broaden absorption range of visible light of the dye and electron transmission capacity and by connecting with the electron absorbing group of different types, the dye has good light, thermal and chemical stability and photoelectric transformation property. The dye is applicable in dye-sensitized nanometer solar cells as organic photosensitive dye ...

Dye sensitization solar cell module

A dye-sensitized solar cell module, which belongs to the field of photoelectric conversion device technology, comprises a first electrode and a second electrode arranged correspondingly, wherein the peripheries of the first and the second electrodes are sealed to form a sealed cavity, and the cavity is filled with electrolyte; a nano porous semiconductor thin film soaked with a photosensitive material is arranged on the side of the work region of the first electrode; a catalyst layer is arranged on the side of the work region of the second electrode; and at least one of the first and the second electrode is transparent. The sealed structure is characterized in that one or more pinholes are provided on at least one electrode and sealed at the periphery; and a working current is guided to the electrode from the pinholes. The invention can increase the effective working area of the solar cell and lower the permeable corrosion possibility of electrolyte by obviating the protection of a metal ...

Composite transparent conductive substrate

The invention relates to a composite transparent conductive substrate, belonging to the technical field of transparent conductive substrates used for photoelectric devices. The composite transparent conductive substrate comprises a transparent substrate, a high-conductivity grid mesh and a transparent conductive film. The composite transparent conductive substrate is characterized in that the high-conductivity grid mesh is arranged on the transparent substrate, and the transparent conductive film is covered on the transparent substrate and is completely coated on the whole high-conductivity grid mesh. The composite transparent conductive substrate has both good corrosion resistance and excellent electrical conductivity, and broadens the application range of the transparent conductive substrates of the same type; and when being applied to a dye-sensitized solar cell, the composite transparent conductive substrate can simplify the preparation process of the cell, reduce the resistance of ...

Phenazine oxazines dye and application of the same in dye sensitization of solar battery

The invention relates to a phenoxazine dye and a photoelectric converter using the dye, and belongs to the technology field of phenoxazine dyes. The technical proposal is that: the chemical structure of the dye contains substituted phenoxazine and the derivative thereof as electron donors and different conjugated groups as bridging chains, wherein one end of the bridging chains are connected with different electron-withdrawing groups. An electron-donating group on a nitrogen atom and lone-pair electrons on an oxygen atom interact with a chromophoric conjugated system, thereby resulting in more easier charge transfer of the excited state of molecules and generating unique photoelectric property. The phenoxazine dye has good application performance in dye-sensitized solar cells, and can replace expensive noble metal photosensitive dye in dye-sensitized solar cells.

Synthesis process of 1-amino-4-hydroxy anthraquinone derivative

The present invention provides a novel synthesis process of a kind of 2-position substituted on non-substituted 1-aminohydroxyanthraquinone intermediate, in which the substituent of 2-position can beH, Cl, Br, SO3H, COOH, CN, C1-C4 alkyl radical. Its synthesis process is characterized by using 1-aminoanthraquinone-2-substituted derivative as raw material, using small quantity of halogen or its alkali metal salt as initiator in sulfuric acid medium, using boric acid as catalyst, and regulating oxidation-halogenation-hydrolysis reaction speed and one-step introducing hydroxyl on 4-position to produce 1-amino-2-substituent-4-hydroxyanthraquinone.

Fluorine-doped stannic oxide target for magnetron sputtering and preparation method thereof

The invention provides a fluorine-doped stannic oxide target for magnetron sputtering and a preparation method thereof. The preparation method of the fluorine-doped stannic oxide target for magnetron sputtering comprises the following steps: under a high temperature condition, respectively gasifying a tin compound and a fluorine compound, then mixing, carrying mixed gas to a high temperature reactor by using carrier gas, and generating FTO crystals and powder on the inner wall or bottom of the reactor; and grinding the FTO crystals and powder, and tabletting to obtain the fluorine-doped stannic oxide target for magnetron sputtering. The preparation method of the fluorine-doped stannic oxide target for magnetron sputtering is simple and practicable and can be used for realizing the industrial production of the fluorine-doped stannic oxide target for magnetron sputtering; FTO conducting glass produced by using the fluorine-doped stannic oxide target prepared by the method has good electrical ...

Ester phosphate electrolysis solvent for dye sensitization solar battery

The invention relates to an application for using phosphoric acid ester compounds in a dye-sensitized solar cell as electrolyte solvent. The phosphoric acid ester compounds has the chemical structural general formula that R1R2 is alkyl and cyano of HC1-12 or alkyl of C1-12 which is replaced by the cyano. R3 is the alkyl of C1-12 or the alkyl of C1-12 replaced by the cyano, and n is equal to 0-12. The application methods of the compounds in the dye-sensitized solar cell are that the compounds dissolve electrolytes to form the electrolytic solvent, and the cell performance is tested after the electrolytic solution is assembled into the cell. The electrolyte solvent provided by the invention has the advantages of high boiling point, wide applied temperature range and difficult volatilization, and increases the service life of the cell; the electrolyte solvent has low viscosity coefficient, satisfaction of dissolution and disassociation of inorganic salts in the solvent, and has high stability ...