216 results about "Polyacetylene" patented technology

The present invention relates to novel electroactive energy storing polyacetylene-co-polysulfur (PAS) materials of general formula (C2Sx)n wherein x is greater than 1 to about 100, and n is equal to or greater than 2. This invention also relates to novel rechargeable electrochemical cells containing positive electrode materials comprised of said polyacetylene-co-polysulfur materials with improved storage capacity and cycle life at ambient and sub-ambient temperatures.

The invention relates to a flexible transparent conductive thin film and a preparation method thereof. The flexible transparent conductive thin film comprises a transparent substrate and a conductive layer, wherein the conductive layer is overlapped on the transparent substrate and is made of conductive polymer, silver nanowires and curing resin, the silver nanowires and the curing resin are dispersed in the curing resin, the silver nanowires are mutually overlapped, the silver nanowires and the conductive polymer form a conductive network, and the conductive polymer is at least one of polypyrrole, polypyrrole derivative, polythiophene, polythiophene derivative, polyaniline, polyaniline derivative, polyacetylene, polyacetylene derivative, and poly (sodium 4-styrenesulfonate). The flexible transparent conductive thin film has the advantages that the conductivity is better, and the transparency rate is higher.

The invention provides a boron-doped nanocrystalline diamond film. The boron-doped nanocrystalline diamond film is prepared by using the following steps of: preparing a boron-doped nanocrystalline diamond film on a monocrystalline silicon substrate by adopting a CVD (Chemical Vapor Deposition) method and annealing the film in vacuum at 800-1200 DEG C for 30-60 min to obtain the boron-doped nanocrystalline diamond film. By using the vacuum annealing method, the invention ensure that boron atoms aggregated on a grain boundary of the nanocrystalline diamond film are dispersed into nanocrystalline diamond grains and the amount of trans-polyacetylene on the grain boundary is greatly reduced, thereby effectively improving the p-type conductive performance and the electrochemical performance of the boron-doped nanocrystalline diamond film. The invention has very important scientific meaning and engineering values to the application of the boron-doped nanocrystalline diamond film in nano-electronic devices and the electrochemical field, such as water treatment, heavy metal detection, and the like.

The invention discloses a novel and high-powered secondary aluminum battery, aiming at providing the secondary aluminum battery with higher irreversible capacity and better cycle performance, broad source, rich resource, simple process, low cost, high product purity and no pollution on the environment. A preparation method of the battery and a preparation method of an anode active material vulcanized polyacetylene are also disclosed. The preparation method of the anode active material vulcanized polyacetylene is characterized in that firstly, hydrogen halide in molecules is removed under the action of alkaline by hydrogen-containing poly-halogeno olefin to obtain polyacetylene, and then the obtained polyacetylene is heated and reacted with simple substance sulphur to obtain vulcanized polyacetylene. In the invention, polysulfide materials are utilized for a secondary aluminum battery system for the first time, the modified and combined secondary aluminum battery can be applied to multiple situations, such as mobile phones, notebooks, portable electronic devices and other mobile power supply situations, and the fields of electro-mobiles, hybrid electro-mobiles and the like, therebyhaving good development and application prospects.

The present invention relates to novel electroactive energy storing organic polymers, which organic polymers, in their oxidized or fully charged state, comprise polysulfur components. Also provided are electrochemical cells comprising composite cathodes utilizing such polymers, and methods of making such composite cathodes and cells.

The present invention provides methods for obtaining highly stereoregular polyacetylenes from organorhodium catalysts in aqueous media in high yield. These methods afford substantial advantages in that they are rapid, economical, and utilize environmentally benign solvents. The present invention further provides methods for making thin films of polyphenylacetylenes that are tough and transparent.

The invention relates to a preparation method of a tin alloy/silicon/carbon electrode material. The method comprises the following steps: with a porous polymer as a carrier, depositing silicon oxide; mechanically mixing magnesium; carrying out high-temperature thermal reduction and acid treatment; filtering and drying the mixture; mechanically mixing a tin alloy; tabletting the mixture; and carrying out high-temperature sintering to obtain the tin alloy/silicon/carbon electrode material. The porous polymer is one of polyacetylene, polyacrylonitrile, polyaniline, polypyrrole and phenolic resin; the tin alloy is one of a nickel-tin alloy, a copper-tin alloy, an iron-tin alloy and a silver-tin alloy; the silicon source is one of tetraethoxysilane, silicon tetrachloride and trichlorosilane; an inner layer of the tin alloy/silicon/carbon electrode material is carbon and silicon in a porous structure; and an outer layer is the tin alloy with good conductivity and stable structure. The electrode material has the advantages of high specific capacity and long cycle lifetime, and has a good application prospect in the field of batteries.

The invention discloses an APET anti-static material and a manufacturing method thereof. The APET anti-static material comprises, by weight, 60-70 parts of polyethylene glycol terephthalate, 30-35 parts of polyvinylidene chloride, 15-18 parts of polyvinyl alcohol, 12-15 parts of polyacetylene, 3-6 parts of poly-p-phenylene terephthamide, 3-5 parts of styrene oxide, 1-2 parts of bis(bis-chlorin dimethylsilyl)benzene, 0.5-1 part of dimethylol acrylic acid, 0.2-1 part of magnesium chloride, 0.2-1 part of aluminum chloride and 0.02-0.5 part of dicumyl peroxide. The invention further provides the manufacturing method of the APET anti-static material.

The invention belongs to the field of drugs or health care products, and particularly relates to new application of a polyacetylene compound to lowering of uric acid. The polyacetylene compound has astructure shown in a formula (I): R1 and R2 are defined as in the specification. The new application of the polyacetylene compound to lowering of the uric acid is found through a hyperuricemia animalmodel. The polyacetylene compound has the significant effect on lowering the uric acid in a body, and can be used as a potential drug lowering the uric acid or treating gout.

The invention discloses a synthesis method of 1, 2-dione derivatives by utilizing polyacetylenes. According to the method, in a nitrogen environment, polyacetylenes, an oxidant and an organic solvent are mixed up under the presence of zinc salt as a catalyst, and then heated to react with one another to obtain1, 2-dione derivatives. The substrate of the method is wide in compatibility, mild in condition and high in synthesis yield. The metal zinc salt adopted as the catalyst is low in price and environmentally-friendly. Easily available polyacetylenes are adopted as the substrate of the method, so that the method has the advantages of low cost, high yield, simple operation, readily available raw materials and easy industrial production.

The invention belongs to the technical field of intelligent materials and in particular relates to a solvent-induced reversibly oriented transformation conjugated polymer and carbon nano tube composite film and a preparation method thereof. A highly-conjugated polyacetylene derivative is used as a research model and is composited with a highly-oriented carbon nano tube film, the orientation structure of a carbon nano tube can effectively induce a macromolecular chain to be oriented in the axial direction of the carbon nano tube without other orientation layers, and a substrate is a flexibly isotropous substrate; the prepared composite film is expanded and flattened in an organic solvent due to filling of solvent molecules among macromolecular chains, after the solvent is volatilized, and a macromolecular chain is shrunk and is bent automatically in the direction perpendicular to the axial direction of the carbon nano tube. The composite film has no obvious attenuation and fatigue after more than 300 times of reversible deformation, and the deformability of the composite film can be improved along with the increase of the contents of macromolecules; besides, the mechanical and thermal properties of the material can be greatly improved due to the introduction of the carbon nano tube, and the excellent electrical property of the material is endowed.

The invention discloses a PTC thermosensitive resistor based on a conducting polymer and application of the PTC thermosensitive resistor. The PTC thermosensitive resistor based on the conducting polymer is prepared from polyimide, polyacetylene, phenolic epoxy resin, conductive filler, thermal conducting filler, silicon dioxide, calcium oxide and talcum powder. The PTC thermosensitive resistor based on the conducting polymer has the advantages of being high in temperature sensibility, short in response time, low in residual current and high in stability, has the excellent winding property and fracture resistance, can be widely applied to automatic temperature-control heaters such as a plate-type automatic temperature-control heater, an automatic temperature-control heating band, a tubular automatic temperature-control heater and an automatic temperature-control heating cable which have various shapes and is long in service life.

The invention belongs to the field of drugs or health care products, and particularly relates to new application of polyacetylene to lowering of uric acid. A polyacetylene compound has a structure shown in a formula (I): R1 and R2 are defined as in the specification. According to the new application of the polyacetylene to lowering of the uric acid, as for research findings, the polyacetylene compound separated from coreopsis tinctoria has the characteristics of lowering the activity of the uric acid and no obvious toxic and side effects, and can be used for treating hyperuricemia and gout orgout complications caused by hyperuricemia.

The present invention discloses a motor slot wedge heat-resistance insulation composite material, wherein the raw materials comprise a silicone rubber, low density polyethylene, dodecafluoroheptyl methacrylate, an ethylene propylene diene monomer, a hydrogenated nitrile butadiene rubber, polyacetylene, nanometer calcium carbonate, nanometer montmorillonite, silicon carbide, carbon fibers, nanometer boron nitride, a metal composite filler, polyethylene wax, chlorinated paraffin, a coupling agent, stearic acid, stannous octoate, decabromodiphenyl oxide, expanded graphite, lanthanum stearate and a vulcanizing agent. The present invention further provides a preparation method of the motor slot wedge heat-resistance insulation composite material, wherein the preparation method has characteristics of simple process and mild conditions. The obtained composite material of the present invention has characteristics of good heat dissipating, excellent heat resistance, excellent insulation performance, and long service life.

The invention belongs to the field of drugs or health care products, and particularly relates to new application of a polyacetylene compound to treating of gout. The polyacetylene compound has a structure shown in a formula (I): R1, R2, R3, and R4 are defined as in the specification. The new application of the polyacetylene compound to treating of gout is found through a hyperuricemia animal model. The polyacetylene compound has the significant effect on lowering the uric acid in a body, and can be used as a potential drug lowering the uric acid or treating gout.

The invention discloses a synthesizing method of a pyridino imidazo [1,2,3] triazoloquinoline compound. The synthesizing method includes: dissolving 2-(2-bromophenyl) imidazole [1,2-a] pyridine or the derivatives and polyacetylenes of 2-(2-bromophenyl) imidazole [1,2-a] pyridine and sodium azide into N, N-dimethyl formamide, adding copper iodide and potassium carbonate, reacting at 120 DEG C for 6 hours, adding transition metal salt catalyst and additives or/and oxidizing agent, reacting at 80-130 DEG C to obtain a pyridine [2',1':2,3] imidazole [4,5-c] [1,2,3] triazole [1,5-a] quinoline compound. The synthesizing method has the advantages that the pyridino imidazo [1,2,3] triazoloquinoline compound is obtained in a one-pot two-step manner through the tandem reaction under bimetallic catalysis, a quinoline ring and a 1,2,3-triazole ring are built in the one-pot reaction, heterocyclic ring structural units such as pyridino imidazole, 1,2,3-triazole and quinoline are condensed together to directly obtain a five-ring aromatic system, high efficiency is achieved, and resource waste and environment pollution caused by the purification of reaction intermediate in the literature method are avoided.

The invention relates to the fields of organic chemistry and metal organic chemistry, and discloses a chain polyacetylene compound, a preparation method of the compound, and an application of the compound to prepare a metal fused heterocyclic compound. The provided chain polyacetylene compound has the structure shown in the formula I. The invention further discloses a preparation method of the chain polyacetylene compound and an application of the chain polyacetylene compound to synthesize the metal fused heterocyclic compound. The chain polyacetylene compound contains multiple functional groups, is controllable in structure, and can be directly used to synthesize the metal fused heterocyclic compound with high efficiency. The chain polyacetylene compound is simple in synthetic method and can be fast effectively obtained.

The present invention discloses the preparation process of anti-inflammatory component from volatile bighead atractylodes rhizome oil and its use in preparing anti-inflammatory medicine. The preparation process includes supercritical CO2 extraction to obtain volatile white atractylodes rhizome oil; silicon gel chromatography and elution to obtain four different eluted parts corresponding to petroleum ether, petroleum ether-ethyl ether (BZC-2), ethyl ether and methanol separately; and final reverse C18 silicon gel column chromatography of BZC-2 part to obtain butenolide I and bighead atractylodes polyacetylene. Pharmacodynamical research shows that butenolide I and bighead atractylodes polyacetylene and the BZC-2 part have obvious anti-inflammatory activity.

A process of producing a substituted polyacetylene electrolyte membrane which is a solid electrolyte membrane having a sulfonic group uniformly introduced thereinto, with its electrode assembly being useful as an electrochemical device or a fuel cell and an electrolyte membrane using the same are provided.

A process of producing a sulfonic group-containing substituted polyacetylene membrane, which includes molding a substituted polyacetylene containing a repeating unit represented by the following formula (1) into a membrane state and bringing the molding into contact with a sulfonating agent to achieve sulfonation and a substituted polyacetylene membrane which is produced by the subject production process and in which the sulfonic group is uniformly distributed in a membrane thickness direction.

In the formula (1), either one or all of R¹ and R² represent a silyl group represented by the following formula (2); and the remainder represents hydrogen, a hydroxyl group, an alkyl group or an alkoxy group each having from 1 to 8 carbon atoms, a t-butyldimethylsilyloxy group, an acetyloxy group, or a group represented by the following formula (3).

In the formula (2), X¹, X² and X³ each independently represents a linear or branched alkyl group having from 1 to 6 carbon atoms.

In the formula (3), R³ represents hydrogen, a hydroxyl group, an alkyl group or an alkoxy group each having from 1 to 8 carbon atoms, a trimethylsilyl group, a t-butyldimethylsilyloxy group, an acetyloxy group, or a group represented by the formula (2).

The invention relates to a synthetic method of octakis (acetylenyl dimethyl siloxane) polysilsesquioxane. The synthetic method comprises the steps that (1) 1,3-acetylene-1,1,3,3-tetramethyldisiloxane is synthesized by Grignard reaction; (2) 1,3-acetylene-1,1,3,3-tetramethyldisiloxane is hydrolyzed to obtain ethinyl dimethyl silicon alcohol, and a chloridizing agent is used for chloridizing silicon hydroxyl to obtain acetenyl dimethylchlorosilane; (3) tetraethoxysilane is used, hydrolytic condensation is performed under an alkaline condition provided by tetramethylammonium hydroxide, and octamer tetramethylammonium silicate is obtained; (4) the octamer tetramethylammonium silicate and the acetenyl dimethylchlorosilane react to obtain the octakis (acetylenyl dimethyl siloxane) polysilsesquioxane. The prepared octakis (acetylenyl dimethyl siloxane) polysilsesquioxane has end alkynyl and excellent high temperature resistance and high reactivity, and can be used for preparing nanometer POSS (polyhedral oligomeric silsesquioxane) materials; the octakis(acetylenyl dimethyl siloxane)polysilsesquioxane can be applied in spatial and medical functional materials and the like and has an excellent development and application prospect.

The invention provides a preparation method of a nanometer silicon carbide material with high metal content, an electrode prepared by employing the same and an all-silicon carbide lithium secondary battery. The raw materials used by the preparation method comprises amorphous silicon carbide powder, polysiloxane, lithium polyacetylene and mixed powder, wherein the mixed powder is formed by mixing lithium rare-earth alloy powder, silicon powder and graphene powder, the lithium rare-earth alloy powder comprises metal lithium powder, metal neodymium powder and metal lanthanum powder, a dielectricbarrier discharging plasma process and a high-energy ultrafast laser technology are simultaneously employed, and the obtained nanometer silicon carbide material is high in metal content; and the all-silicon carbide lithium secondary battery formed by assembling the electrode prepared from the nanometer silicon carbide material with high metal content is long in lifetime, high in capacity and goodin cycle performance, the initial coulombic efficiency of the battery reaches 99.98%, the discharging platform is 3.0-2.0V, the specific capacity reaches 2,400mAh/g, the discharging energy density reaches (1,700-2,200)Wh/kg, the power density reaches (1,400-2,600)W/kg, and the cycle period reaches 20,000 times or above.