42results about How to "Special molecular structure" patented technology

The invention discloses a heptatomic condensed ring benzotriazole receptor micromolecule and a preparation method and application thereof. The compound takes heptatomic condensed ring benzotriazole (B) with an alkyl chain as intercalated nucleus, and cyan group as n-type fullerene receptor material (BIC) of an electrophilic unit. The preparation method comprises the following steps: by taking 4,7-dibromo-5,6-dinitro benzotriazole compound as a raw material, sequentially introducing thienothiophene with an alkyl chain by stille coupling reaction, then performing loop closing, introducing the alkyl chain to N by nucleophilic substitution, introducing aldehyde group via Vilsmeier-Haack, and then introducing a polar conjugation unit by Knoevenage reaction, so as to obtain a BIC compound; the micromolecule forms definite conformation and good solubility, has an electron receptor unit with universality, obtains a high efficiency (PCE of 13%) on a solar cell, and thus is a photovoltaic material full of potential.

The invention relates to a composite multi-component scale inhibitor for oil field water treatment and a preparation method thereof. The composite multi-component scale inhibitor comprises s-propyloic sulpho succinic acid, tetramethylenediamine phosphonic acid, 2-phosphonic butane-1, 2, 4-tricarboxylic acid, hydrolyzed polymaleic anhydride, propenoic-hydroxypropyl acrylate-2-methyl-2'-acrylamide propyl sulphonic acid terpolymer, and polyepoxy succinic acid, which are mixed in weight portion, wherein active substances must reach standardized contents of the experiment. The preparation method comprises the following steps: adding the polyepoxy succinic acid into the 2-phosphonic butane-1, 2, 4-tricarboxylic acid; adding the tetramethylenediamine phosphonic acid into the hydrolyzed polymaleic anhydride; and preparing solutions of the propenoic-hydroxypropyl acrylate-2- methyl-2' -acrylamide propyl sulphonic acid terpolymer and the s-propyloic sulpho succinic acid by steps and mixing the solutions, stirring the solution evenly for 50 to 90 minutes and keeping a temperature range from 12 to 48 DEG C, and obtaining the composite multi-component scale inhibitor for oil field water treatment which has little dosage, wide application range, and can play excellent efficiency under the conditions of high alkali, high hardness and high temperature.

The invention discloses a triphenylamine-benzothiophene organic small-molecule hole transporting material and an application thereof.The material has a specific heterocycle conjugated system and triphenylamine structural units with alkyl chains, and the solubleness and the hydrophobicity are good in an organic solvent; as the hole mobility can be effectively improved through a large two-dimensional conjugate plane structure, the material is applied to a perovskite solar cell, the stability of a device can be improved, the current density and the high photoelectric conversion rate are increased, and the material has the broad application prospects.

The invention discloses a preparation method of a carbon dot and nickel sulfide compound photocatalyst with high oxidative activity. The preparation method can prepare the carbon dot and nickel sulfide compound photocatalyst in the following four steps: preparing carbon dot suspension; carrying out ultrasonic cleaning on a foam nickel wafer; carrying out ultrasonication on the foam nickel wafer in the carbon dot suspension and drying; sealing a hydrothermal reaction still steel can, keeping warm and cooling. The carbon dot and nickel sulfide compound photocatalyst prepared with the preparation method of the carbon dot and nickel sulfide compound photocatalyst increases a surface in contact with reactant and is favorable for recovery and reuse. Meanwhile, the carbon dot and nickel sulfide compound photocatalyst has a high ultraviolet-visible light adsorption capability, and shows high photooxidation activity.

The invention discloses a preparing method for a gaseous inhibitor, whose general formula is R2N(CH2)n+1CH(OH)NCH2R2 (n=0-3). Tertiary amine and benzonic acid and their derivant are mixed under 50-70 DEG C, the reacted product is mixed with some de-ionized water in proportion (10-20%):(90-80%), then the pH value is adjusted to be 8-9 with NaOH. The tertiary amine compound can be aromatic amine, fatty amine and heterocyclic ring amine or one or a combination of two from them, the benzonic acid can be a derivant of benzonic acid or phthalic acid, or fatty carboxylic acid compound, or a mixture of one or two of above components.

The invention discloses preparation methods of an anti-aging wood-plastic composite and a light stabilizer. The wood-plastic composite is prepared from the following raw material components in parts by weight: 100 parts of polyvinyl chloride, 20-40 parts of sisal fibers, 1-5 parts of a heat stabilizer, 1-8 parts of a lubricating agent, 0.5-2 parts of an antioxidant, 6-10 parts of a plasticizer and 0.5-5 parts of a light stabilizer shown as the short chemical formula: P(HAPBT-co-MTMP-co-AEG-cp-OA). Due to the addition of the specific light stabilizer, the ageing-resistant effect of the wood-plastic composite is favorably improved; in addition, the composite has relatively good physical and mechanical properties and processability, so that the application field of the wood-plastic composite is further widened, and the wood-plastic composite not only can be applied to some indoor wood materials, but also can be applied to outdoor materials such as architectural decoration, transportation, municipal administration and gardens.

The invention relates to a carboxyl terminated dendritic polymer adsorption material and a preparation method thereof. The dendritic polymer has a network spherical three-dimensional structure, and can greatly improve the adsorption efficiency as an adsorption material. The preparation method includes: dissolving cyanuric chloride in acetone or tetrahydrofuran, adding the mixture into an acetone solution of diol to obtain a primary hydroxy terminated dendritic polymer crude product, conducting purification to obtain a primary hydroxy terminated dendritic polymer; taking cyanuric chloride as the core, adopting the primary hydroxy terminated dendritic polymer as the branching unit to prepare a secondary hydroxy terminated dendritic polymer crude product and a tertiary hydroxy terminated dendritic polymer crude product, and carrying out purification; and dispersing the hydroxy terminated dendritic polymer in water, adding maleic anhydride and p-toluenesulfonic acid to prepare a carboxyl terminated dendritic polymer crude product, and conducting purification to obtain the carboxyl terminated dendritic polymer adsorption material. The method provided by the invention has the characteristics of mild conditions, simple process and short production cycle. The product contains a lot of active carboxyl terminal groups, has strong adsorption performance, and is expected to be used in heavy metal ion and organic wastewater treatment and other fields.

The invention discloses a polyurethane catalyst and a preparation method thereof, polyurethane spraying hard foam, and polyurethane soft foam. The polyurethane catalyst comprises N,N,N',N''-tetramethyl-N''-3-aminopropyl diethylenetriamine and/or bis(tetramethyldiethyltriaminopropyl)amine. The polyurethane catalyst is larger in molecular weight, and contains an active hydrogen group, so low emission or low VOC can be realized in a process of preparing polyurethane. In addition, the catalyst has high activity, especially has the stronger catalytic effect to a reaction of isocyanate and water. The reaction of the isocyanate and the water generates carbon dioxide and releases a lot of heat, so growth of a foaming system is accelerated, and flowability of the system can be also improved throughgeneration of a large number of a gas. A starting speed of a polyurethane foam system is improved and a smell and the VOC of the foam system are improved.

The invention discloses a branched-chain long-chain fatty acid base imidazoline extraction agent and a preparing method and application thereof. The imidazoline extraction agent comprises multiple N atoms and long-branch-chain alkyl groups. The preparing method of the imidazoline extraction agent comprises the steps that in the normal pressure, carboxylic acid and polyethylene polyamine are subjected to the reaction under the action of a solid catalyst, after the reaction is finished, the solid catalyst is recycled through solid-liquid separation, the liquid mixture is distilled, the raw material incompletely reacted is recycled, and then the branched-chain long-chain fatty acid base imidazoline extraction agent is obtained. The preparing method has the beneficial effects that reaction conditions are moderate, the catalyst can be repeatedly used, and equipment investment and operation cost are low; the imidazoline extraction agent is used for extraction negative ions including tungsten, molybdenum and vanadium, the beneficial effects that the extraction volume is high, the phase splitting time is short, and the extraction and reverse extraction performance is excellent; and good industrial application prospects are achieved.

The invention relates to a facial cleanser containing a mixed surfactant and a preparation method of the facial cleanser. The facial cleanser is prepared from the following components in parts by weight: 20-40 parts of fatty acid, 10-30 parts of polyhydric alcohols, 1-6 parts of a nonionic surfactant, 5-8 parts of alkali, 0.3-1.5 parts of emulsifier, 0.5-2 parts of a thickener, 2-20 parts of the mixed surfactant, 0.02-0.08 part of a chelating agent, and 18-45 parts of water, wherein the nonionic surfactant is a composition formed by PEG/PPG-25/30 copolymer and PEG-6, and the mixed surfactant is a composition formed by PEG-6, polyquaternium-43 and PEG/PPG-300/55 copolymer. The facial cleanser is rapid in foaming, has rich, smooth and elastic foam, has good moistening property and good moisture retention, has no stimulation, can be easily cleaned after washing, has very good stability, has heat resistance, and is uniform and stable at 48 DEG C, and after temperature returning, the cream is fine and uniform.

The invention relates to a moisture-curable polyurethane hot melt adhesive for acoustic elements. The moisture-curable polyurethane hot melt adhesive for acoustic elements comprises the following rawmaterials by mass: 10-55 parts of polyester diol, 20-50 parts of polyether diol, 10-30 parts of isocyanate, 0.1-2 parts of a silane modifier, 0.01-0.1 part of a catalyst, 5-20 parts of tackifying resin and 1-10 parts of a moisture scavenger. The hot melt adhesive obtained by the invention has low viscosity, high initial strength and final curing strength, and excellent high and low temperature resistance, meanwhile, a cured adhesive film has low organic volatile matter content, and the influence on the acoustic performance of acoustic elements is small.

The invention discloses an electrolyte additive, an electrolyte and a lithium ion battery. The electrolyte additive comprises barbituric acid and a cyclotriphosphazene compound, the structural formulaof the cyclotriphosphazene compound is shown in the specification, wherein R1, R2, R3, R4, R5 and R6 are respectively and independently selected from halogen, substituted or unsubstituted C1-12 alkyl, halogen substituted or unsubstituted C2-C12 alkenyl, halogen substituted or unsubstituted C6-C26 aryl or -O-R' group; and R' is selected from halogen substituted or unsubstituted C1-12 alkyl, halogen substituted or unsubstituted C2-C12 alkenyl, and halogen substituted or unsubstituted C6-C26 aryl. The electrolyte additive can be applied to a battery electrolyte, can form compact and stable passivation films at the cathode and the anode, and prevents cathode and anode active substances from directly contacting with the electrolyte, so that adverse reactions of an electrolyte solvent in cathode and anode active materials are prevented, and the cycle performance of the lithium ion battery at high temperature and high pressure is improved.

The invention discloses an organic small molecule hole transport material based on spiro[fluorene-9,9'-xanthene]-based and a preparation method and application thereof, and the organic small moleculehole transport material takes spiro[fluorene-9,9'-xanthene] as a core, and has good amorphous form and excellent dissolving property; besides, different numbers of thiophene groups are added into sidechains, so that the material is endowed with more excellent physical and photoelectric properties through the characteristics of high electron density, excellent carrier transport capacity, controllable optical and electrochemical properties and the like; in addition, due to modification of a terminal alkyl chain, the dissolvability is improved, the film-forming property of the material is facilitated, and the material is easier to process; meanwhile, the synthesis is simple, raw materials are easy to obtain, and cost is low. The organic small molecule hole transport material is applied to anall-inorganic perovskite solar cell, and the cell efficiency of the organic small molecule hole transport material is higher than the original cell efficiency, which shows that the organic small molecule hole transport material has practical significance for improving the efficiency of the all-inorganic perovskite solar cell.

The invention discloses instant tea capable of removing dampness in bodies and a preparation method of the instant tea. The instant tea is prepared from the following components in parts by weight: 80-90 parts of green tea powder, 13-15 parts of coix seeds, 10-12 parts of small red beans, 10-12 parts of poria cocos, 15-18 parts of rhizoma discoreae, 5-6 parts of codonopsis pilosula, 10-12 parts of tangerine peels, 6-7 parts of areca seeds, 13-15 parts of aloe gel, 10-12 parts of sucrose, 2-2.3 parts of hergamot oil, 1-1.2 parts of lemon oil, 30-35 parts of beta-cyclodextrin and 5-6 parts of tea cream. The instant tea capable of removing the dampness in the bodies, provided by the invention, is instant blank tea powder prepared from instant green tea powder in productive supply; the elastic performance of a product can be utilized to the greater extent, and risk problems including raw material regions, seasons, production cost and the like are solved; the diversity of the product is realized; and effective components have the effects of removing the dampness, refreshing, resisting oxidization, sterilizing and diminishing inflammation, enhancing the immunity and the like.

The invention belongs to the technical field of synthesis of steroidal intermediate chemicals, and particularly discloses a steroidal intermediate chemical and a preparation method and application thereof. The steroidal intermediate chemical can be used for synthesizing plant growth regulators, steroidal drugs and the like, stigmasterol serves as a raw material, and the steroidal intermediate chemical is obtained through three-step reactions of sulfonylation, rearrangement, manganese dioxide selective oxidation. The synthesis process is stable and easy to operate, and conditions are mild and easy to control; raw materials are rich in source and easy to obtain; purification is not needed in the intermediate process, the technological process is simplified, the solvent is easy to recover, and cost is reduced; and meanwhile, sewage and waste discharge is reduced, industrialization is facilitated, and high economic and social benefits can be brought.

The invention relates to a large-band-gap acceptor material based on fluorene or indenofluorene and thiophene end groups, a preparation method and application thereof. The acceptor material is a compound having a structure defined in the specification, wherein the molecular structure takes a fused ring based on fluorene or indenofluorene as a central core unit,a thiophene terminal group is selected as a terminal group, intramolecular charge transfer is realized, and the acceptor material with a large band gap is prepared. The preparation method comprises the following steps: carrying out Knoevenagel condensation reaction on a dialdehyde structure compound and a terminal group compound, and separating to obtain the acceptor material. According to the application of the acceptor material in an organic solar cell and an indoor organic photovoltaic device, the organic photovoltaic device comprises a compound serving as an active layer electron acceptor material or comprises the compound prepared by the preparation method.

The invention relates to a method for synthesizing a polyketone high polymer material via the copolymerization of pinene and carbon monoxide under catalysis of transition metal, comprising the step of copolymerizing pinene and carbon monoxide in a high-pressure kettle to obtain the polyketone high polymer material with a novel structure by taking o-chlorophenol and methanol as solvents at carbon monoxide pressure of 2-6MPa and reaction temperature of 30-80DEG C under the action of a catalytic system formed by strong acids such as palladium chloride or palladium acetate, benzoquinone, trifluoromethanesulfonic acid and the like. The invention provides a method for preparing the degradable high polymer material via natural forest resources and chemical exhaust gas. The method in the invention completely dispenses with the dependence of the polyketone synthesis on the non-renewable resources such as oil, natural gas and the like; and the synthesized polyketone high polymer material keeps the unique ring-shaped molecular structure feature of the pinene, has excellent natural degrading characteristic and biocompatibility, and can be widely applied to the industries such as agriculture, medicine, life and the like.

The invention provides a novel chalcone compound with an anti-aging function. The novel chalcone compound can be used for preparing crude drugs in various dosage forms and with aging or oxidative damage related medicines, and used for medical application for treating aging or oxidative damage related diseases.