148 results about "Ethylenedioxy" patented technology

The present invention relates to a new industrial process for the synthesis of solvate- free 17a-acetoxy-11ss-[4-(N,N-dimethyl-amino)-phenyl]-19-norpregna-4,9-diene-3,20-dione [CDB -2914] of formula (I) which is a strong antiprogestogene and antiglucocorticoid agent. The invention also relates to compounds of formula (VII) and (VIII) used as intermediates in the process. The process according to the invention is the following: i) 3-(ethylene-dioxy)-estra-5(10),9(11)-diene-17-one of formula (X) is reacted with potassium acetilyde formed in situ in dry tetrahydrofuran by known method, ii) the obtained 3-(ethylene-dioxy)-17a-ethynyl-17ss-hydroxy-estra-5(10),9(11)-diene of formula (IX) is reacted with phenylsulfenyl chloride in dichloromethane in the presence of triethylamine and acetic acid, iii) the obtained isomeric mixture of 3-(ethylene-dioxy)-21-(phenyl-sulfinyl)-19-norpregna-5(10),9(11),17(20),20-tetraene of formula (VIII) is reacted first with sodium methoxide in methanol, then with trimethyl phosphite, iv) the obtained 3-(ethylene-dioxy)-17a-hydroxy-20-methoxy-19-norpregna-5(10),9(11),20-triene of formula (VII) is reacted with hydrogen chloride in methanol, then v) the obtained 3-(ethylene-dioxy)-17a-hydroxy-19-norpregna-5(10),9(11l); -diene-20- one of formula (VI) is reacted with ethylene glycol hi dichloromethane in the presence of trimethyl orthoformate and p-toluenesulfonic acid by known method, vi) the obtained 3,3,20,20-bis(ethylene-dioxy)-17a-hydroxy-19-norpregna- 5(10),9(11)-diene of formula (V) is reacted with hydrogen peroxide in a mixture of pyridine and dichloromethane in the presence of hexachloroacetone by known method, vii) the obtained 3,3,20,20-bis(ethylene-dioxy)-17a-hydroxy-5,10-epoxy-19-norpregn-9(11)-ene of formula (IV), containing approximately a 1:1 mixture of 5a,10a- and 5ss,10ss-epoxides, is isolated from the solution and reacted with a Grignard reagent obtained from 4-bromo-N,N-dimethyl-aniline in tetrahydrofuran.

The present invention relates to a method for the preparation of a layer of a plasma-polymerised material on the surface of a substrate, e.g. a substrate of a glass, an organosiloxane-based or polysiloxane-based material, silicon, fluoro-polymer (e.g. Teflon®), etc. The present invention also relates to novel objects and microstructured or micro-patterned devices, e.g. by lift-off techniques, in particular such objects and devices that have layers of electrically conducting materials providing a conductivity of at least 0.01 S/cm. A feature of the invention is the plasma-polymerization of a compound including at least one polycyclic compound, said polycyclic compound(s) comprising a non-aromatic heterocyclic ring fused to an aromatic or heteroaromatic ring or ring system. Examples of such compounds are 3,4-ethylenedioxythiophene (EDT) forming layers of poly(ethylenedioxythiophene) (PEDT), and piperonylamine, piperonyloyl chloride, safrole, 3,4-ethylenedioxypyrrole, 3,4-ethylenedioxy-N-methylpyrrole, and 3,4-methylenedioxythiophene.

The invention discloses a flexible transparent electrode and a manufacturing method of the flexible transparent electrode. The flexible transparent electrode is formed by compositing copper nanowires and poly (3, 4-ethylenedioxy group thiophene)-poly (styrene sulfoacid) (PEDOT: PSS) to form a conducting layer and attaching the conducting layer to a transparent polymer substrate. The flexible transparent electrode and the manufacturing method of the flexible transparent electrode solve the problems that a copper nanowire film is poor in stability and large in roughness, and the combination force between the copper nanowire film and the flexible substrate is poor. A copper nanometer wire and PEDOT: PSS composite film has the advantages of being high in conductivity, high in light transmittance, good in flexibility and the like. The obtained flexible transparent electrode has good application value in image sensors, solar cells, liquid crystal displays, organic electroluminescence displays, touch screen panels and the like.

The invention discloses a ZnCuInS/ZnS quantum dot white light LED (Light Emitting Diode) based on compensation light emitting and a manufacturing method thereof. The LED is in a dual-layer light-emitting structure and comprises a glass substrate, a transparent ITO (Indium Tin Oxide) electrode deposited on the glass substrate, a PEDOT:PPS(Poly(3,4-ethylenedioxy Thiophene):(Poly(4-styrenesulfonate)) layer which is formed on the ITO electrode by spin coating, a Poly-TPD (N,N'-bis(4-butylpheny)-N,N'-bis(phenyl) benzidine) layer which is formed on the PEDOT:PPS layer by spin coating to generate blue and green light, a ZnCuInS/ZnS quantum dot layer which is formed on the Poly-TPD layer to generate red light as well as an Al electrode, wherein the PEDOT:PPS layer is a buffer layer; the ITO electrode is transparent and is used as a positive electrode of the LED; the Poly-TPD layer generates the blue and green light; and the ZnCuInS/ZnS quantum dot layer generates red light which is complemented with the blue and green light which are generated by the Poly-TPD layer to form white light. According to the ZnCuInS/ZnS quantum dot white light LED disclosed by the invention, a non-toxic metallic ZnCuInS/ZnS quantum dot is used as a main light-emitting layer, and thus the requirement of environment protection is met; and the ZnCuInS/ZnS quantum dot white light LED has the advantages of favorable color rendering property, simple preparation process, low cost and the like.

The invention discloses a transparent electro-conductive nano silver wire printing ink that can be painted to form a single layer. The printing ink is composed of the following components in parts by weight: 10 parts of poly(3,4-ethylenedioxy thiophene)-poly(styrene sulfonic acid), 1 to 2 parts of stabilizing agent, 100 parts of surfactant, 0 to 15 parts of mixed solvent, and 50 to 200 parts of deionized water, wherein in poly(3,4-ethylenedioxy thiophene)-poly(styrene sulfonic acid), the weight ratio of poly(3,4-ethylenedioxy thiophene) to poly(styrene sulfonic acid) is 1:(2-8). The printing ink is evenly painted on a soft transparent substrate, then the printing ink is dried, the wet membrane thickness of the printing ink layer is 8 to 15 millimeters, and then the soft transparent substrate covered by the printing ink is sintered for 5 minutes at a temperature of 160 DEG C so as to obtain the soft transparent electro-conductive membrane, which has the advantages of low sheet resistance and high transparency.

The invention belongs to the technical field of inorganic semiconductors and organic semiconductors and particularly relates to a preparation method for PEDOT (polymer ethylenedioxy thiophene) aqueous dispersion containing nano titanium dioxide. The preparation method comprises the following steps: adding nano TiO2 dispersion liquid, EDOT monomer, PSS (polystyrolsulfon acid) (can be added or not added) and deionized water into 250ml of a reaction bottle for stirring and dissolving; then, adding a certain amount of an oxidant and a catalyst into the mixture, reacting the mixture for 12-24 hours at 30-45 DEG C under heating and stirring to obtain aqueous dispersion; centrifuging the prepared aqueous dispersion, removing supernatant, getting lower-layer solids and dissolving the lower-layer solids in distilled water, ultrasonically dispersing the mixture to obtain the PEDOT/nano titanium dioxide aqueous dispersion. The PEDOT/nano titanium dioxide aqueous dispersion has relatively good electrical conductivity and transparency, and good stability, and can be placed for a long time at the room temperature without being layered.

Use of an absorption agent for removing acid gases from a fluid flow, comprising an aqueous solution of 2,2'-(ethylenedioxy)-bis-(ethylamine).

The invention discloses a formed foil post-processing method, an electrode foil and a capacitor prepared from the electrode foil. The formed foil post-processing method comprise the step of coating an electrolyte glue solution on the surface of a metal oxidization layer of a formed foil to form an electrolyte layer, wherein the electrolyte glue solution includes a conductive polymer, a water-base resin and a silane coupling agent. When the electrode foil prepared by the method is used for preparing the capacitor, not only the production process of the capacitor can be simplified effectively, but the production efficiency is improved; compared with the prior art, the uncertainty brought by the polymerization of EDOT (ethylenedioxy thiophene) monomers and oxidizing agent and the influence on the quality of the capacitor can be avoided. According to the electrode foil, the electrolyte layer has a compact structure, is attached firmly and stably, has good conductivity and has a good contact with the metal oxidization layer; the excellent feature of a solid electrolytic capacitor is maintained and the high-frequency performance is improved.

The invention discloses an electrochemical detection method of an acetaminophen medicine by a PEDOT (Polymer Ethylenedioxy Thiophene)/GO (Graphene Oxide)/GCE (Glassy Carbon Electrode). The electrochemical detection method comprises the steps of ultrasonically dispersing oxidized graphene and 3,4 ethylene dioxo thiophene monomer in an aqueous solution, preparing PEDOT/GO/GCE in a three-electrode system through electrochemical polymerization and carrying out electrochemical detection on the acetaminophen by the modified electrode. A preparation method of the PEDOT/GO/GCE is simple in process, non-toxic, environment-friendly and low in cost. The modified electrode can be used for detecting the acetaminophen medicine and has the characteristics of rapid response time, wide linear range, good reproducibility, high stability and the like.

The invention discloses a biosensor for detecting hydrogen peroxide and polyphenol compounds at high sensitivity, and preparation and application thereof. The biosensor is a biomimetic sensor, which is formed from 1-pyrenebutyric acid and hemachrome through the coordination chemical effect of zirconium ions, and is characterized by connecting PEDOT (Polymer Ethylenedioxy Thiophene) with 1-pyrenebutyric acid through phi-phi conjugation, wherein the hemachrome is taken as a main body, PEDOT is taken as a decorative material and 1-pyrenebutyric acid is taken as an intermediate connection agent. PEDOT is a conductive macromolecule capable of greatly promoting electron transfer, so that the detection sensitivity of the sensor is increased; 1-pyrenebutyric acid and PEDOT are connected through phi-phi conjugation, the phi-phi conjugation acting force is very strong, and 1-pyrenebutyric acid can be stably connected onto PEDOT; the hemachrome is connected onto 1-pyrenebutyric acid through coordination formed by zirconium ions and carboxyl, the conjugation effect of zirconium ions is easy to form, and more hemachrome can be combined on the surface of an electrode of same area; and the whole biomimetic sensor is mainly prepared by polymerizing and immersing, and the manner is simple to operate and good in repeatability.

The invention discloses an antimony telluride/poly(3,4-ethylenedioxythiophene)/poly(styrene sulfonate) thermoelectric composite material and a manufacturing method of the antimony telluride/poly(3,4-ethylenedioxythiophene)/poly(styrene sulfonate) thermoelectric composite material, and belongs to the technical field of thermoelectric composite material synthesis. The manufacturing method comprises the steps that (1) antimony telluride nanopowder is prepared; (2) under the vacuum condition, spark plasma sintering is performed on the antimony telluride nanopowder prepared in the step (1), and then the antimony telluride nanopowder is cooled, so that an Sb2Te3 block material is obtained; (3) the Sb2Te3 block material prepared in the step (2) is cut, then is soaked in a poly(3,4-ethylenedioxythiophene)/poly(styrene sulfonate) solution and is stored at the temperature of 3 DEG C-5 DEG C for 20-40 days, so that the antimony telluride/poly(3,4-ethylenedioxythiophene)/poly(styrene sulfonate) thermoelectric composite material is obtained. The antimony telluride/poly(3,4-ethylenedioxythiophene)/poly(styrene sulfonate) thermoelectric composite material and the manufacturing method of the antimony telluride/poly(3,4-ethylenedioxythiophene)/poly(styrene sulfonate) thermoelectric composite material have the advantages that the process is low in energy consumption, the cost is low, and the process is simple; the composite material is good in thermoelectric performance and high in ZT value.

The invention discloses a stereoscopic structure organic semiconductor material and a monomer preparation method. The structural formula of monomer of the stereoscopic structure organic semiconductor material is shown in the instruction. The preparation method is simple, a butterfly monomeric compound is obtained and has four different polymerization sites, so that the compound polymerized at different sites can be obtained under different polymerization conditions, and different types of stereoscopic polymer organic semiconductor materials are obtained. Thiophene or EDOT (ethylenedioxy thiophene) derivatives are added to a mother nucleus, HOMO (highest occupied molecular orbital) and LUMO (lowest unoccupied molecular orbital) energy levels of the material are further adjusted, the excellent organic semiconductor material is obtained, the preparation process is simple and convenient, product cost is greatly reduced, and a foundation is provided for application.

The invention relates to a silicon-based core-shell structure photovoltaic cell and a preparation method thereof. The method includes the steps: preparing a silicon nanowire array on the upper surfaceof a single crystal silicon wafer; preparing a first interface modified layer; preparing a second interface modified layer; preparing a first PEDOT (polymer ethylenedioxy thiophene):PSS (polystyrenesulfonate) layer; preparing a second PEDOT:PSS layer; performing thermal evaporation of metal silver on the whole surface of the second PEDOT:PSS layer; preparing a front gate electrode; preparing a back electrode. By improving the structure and the preparation process of the silicon-based core-shell structure photovoltaic cell, the photoelectric conversion efficiency of the silicon-based core-shell structure photovoltaic cell is effectively improved.

The invention provides a reagent for accelerating Fenton reaction as well as a preparation method and application of the reagent. The reagent for accelerating the Fenton reaction is copper carbon dot CuCD, and the preparation method comprises the following steps: S1, mixing 3, 4-dihydroxyphenylpropionic acid and copper chloride, dissolving the mixture with deionized water, uniformly stirring, adding 2, 2'-(ethylenedioxy) diethylamine, and performing stirring; S2, transferring the solution obtained in the step S1 into a reaction kettle, reacting at 170-190 DEG C for 4-6 hours, and performing cooling to room temperature; S3, centrifuging the solution after the reaction in the step S2, enabling the solution to pass through a water-phase filter membrane, then putting the filtrate into a dialysis bag for dialysis, and freeze-drying to obtain the copper-carbon dots CuCD. The reagent for accelerating the Fenton reaction can be combined with a Fenton reagent, is applied to treatment of organic matters in water, has good biological safety, can accelerate the reaction rate of the Fenton reagent, improves the degradation rate of pollutants in wastewater, and accelerates the oxidation rate of 3, 3', 5, 5'-tetramethyl benzidine.

The invention relates to poly (3, 4-ethylenedioxy thiophene) conductive polymer, which is p-type doped polymer prepared by electropolymerization of 3, 4-ethylenedioxy thiophene monomer, adoption of 1-methyl-3-butyl imidazole tetrafluoborate as electrolyte and dopant, and utilization of the potentiostatic method. The structure of the poly (3, 4-ethylenedioxy thiophene) conductive polymer is a porous structure the surface of which is formed by accumulation of a plurality of particles between 800 nanometers and about 2 micrometer. The specific capacitance of the poly (3, 4-ethylenedioxy thiophene) conductive polymer reaches 113 to 158 F/g, and the cyclical stability can reach 70000 times. The invention discloses a method for manufacturing the same.

In a method of manufacturing an aluminum solid electrolyte capacitor, mass-production of aluminum solid electrolyte capacitors with high reliability and excellent quality is made possible by adopting a sequence of steps whereby it is ensured that no stress is applied to the capacitor body (for example coiled element), and by providing means that make possible implementation of these steps. A capacitor body 1 is inserted into a case 3 having a first aperture 3A that is open at the bottom and a second constricted aperture 3B at the top, via the first aperture 3A, and sealing and fixing are performed by a sealant 5 consisting of an epoxy resin, then the capacitor body 1 is coated or impregnated by introducing 3,4-ethylenedioxy-thiophene through the second aperture 3B, then solid electrolyte constituted by poly(3,4-ethylenedioxy-thiophene) is generated by an oxidative polymerization reaction, after which the second aperture 3B is sealed.

The invention provides an electrochromic device (ECD) taking poly 3, 4-ethylenedioxy thiophene and vanadium pentoxide as electrochromism electrode materials and application thereof, relates to the technical field of ECDs and aims to solve the problems of complex technology in electrode preparation, poor matching of the vanadium pentoxide and the color of the other electrochromic electrode material, and unconspicuous color contrast during the allochoric process. The ECD comprises a working electrode, a counter electrode and an electrolyte layer, wherein the working electrode is composed of a transparent conductive FTO glass substrate and a vanadium pentoxide film deposited on the FTO glass substrate; the counter electrode is composed of another transparent conductive FTO glass substrate and a poly 3, 4-ethylenedioxy thiophene film deposited on the corresponding FTO glass substrate; the electrolyte layer is positioned between the working electrode and the counter electrode. The ECD is simple in technology and obvious in color contrast during application and can be applied to intelligent windows and display devices of buildings.