57 results about "Diethylethanolamine" patented technology

The present invention relates to the use of a reactive amine catalyst, in particular diethylaminoethoxyethanol and / or diethylethanolamine, in aqueous or organic solutions for producing flexible polyurethane foams having an increased recatalysis stability, and also a catalyst combination containing at least one reactive amine catalyst which can be used according to the invention; and at least one organic potassium, tin, bismuth and / or zinc compound; and / or at least one tertiary amine selected from the group consisting of triethylenediamine, triethylamine and / or silamorpholine; and / or at least one acid-blocked derivative of a tertiary amine.

The invention provides non-aqueous decarburization solution for capturing carbon dioxide in a mixed gas, and belongs to the technical field of capturing of carbon dioxide gas. The invention relates to a non-aqueous decarburization solution, wherein a main absorption component is N-ethyldiethanolamine, and a solvent is N,N-diethylethanolamine. Because the non-aqueous decarburization solution has a high boiling point and low viscosity, uses tertiary amine capable of participating in CO2 absorption as the solvent, and uses secondary amine with a fast absorption speed and a high absorption amount, and easy to regenerate as the main absorption solvent, the absorption capacity, purification degree and desorption speed for carbon dioxide are increased, the temperature range of the reaction is expanded, the volume of a regeneration tower is reduced, the energy consumption of the regeneration is greatly reduced, and the equipment investment and operation cost are reduced. The non-aqueous decarburization solution provided by the invention is mainly used for capturing carbon dioxide in the tail gases of multiple chemical reactions, the tail gases of steel plants and cement plants, ore decomposition gas, combustion flue gas, natural gas, city gas and marsh gas, and has wide application prospect.

The invention provides a novel two-phase mixture for trapping carbon dioxide, and belongs to the field of technologies for trapping carbon dioxide gas. The novel two-phase mixture comprises two phases including, by weight, 99.0-99.5 wt% of non-aqueous solution and 0.5-1.0 wt% of porous solid materials. The non-aqueous solution comprises, by weight, 30-50 wt% of solutes and 50-70 wt% of solvents, and the solutes are N-ethylethanolamine; the solvents are N, N-diethyl ethylene diamine. The solid porous materials are TiO (OH) 2. The novel two-phase mixture has the advantages that the non-aqueous solution is modified by the TiO (OH) 2, absorption effects of the non-aqueous solution cannot be improved by the TiO (OH) 2, but the desorption rate can be greatly increased by the TiO (OH) 2, the optimal desorption rate can reach 250 Nm<3> CO2 / m<3> solution, and the desorption rate can be increased as compared with the original non-aqueous solution.

The invention relates to a four-component fuel hypergolic with 70%-98% of hydrogen peroxide. The fuel is a novel non-toxic hypergolic miscible fuel (NHMF). Aiming at the conditions that some problems exist in formulas and problem-free formulas do not open to the public in the prior art, the fuel takes alkyl-substituted alcamines compounds such as cobaltous acetate tetrahydrate, cobalt iso-octoate or cobalt acetylacetonate as main catalysts, takes dimethylethanolamine, diethylethanolamine, diisopropylethanolamine, dibutyl eth-anolamine as auxiliary catalysts, takes ethanol, propanol or butanol as a solvent, and takes aviation kerosene as an incendiary agent, and the four components are evenly mixed into an unsaturated solution. The novel fuel has the advantages of being non-toxic actually, not prone to aging and deterioration, high in specific impulse, short in ignition delay period, hypergolic and storable, capable of being applied to liquid rockets, igniters and fuel / air explosives, and the like; and is hypergolic with hydrogen peroxide with the relative high concentration.

The invention provides an anti-oxidation non-aqueous decarbonization solution for trapping carbon dioxide in a mixed gas, and belongs to the technical field of carbon dioxide gas trapping. The invention relates to a non-aqueous decarbonization solution, which is composed of a main absorption component N-ethylethanolamine and a solvent N, N-diethylethanolamine. The non-aqueous decarbonization solution has high boiling point, low viscosity and fast absorption rate for carbon dioxide. The absorption capacity is high and the product is easy to regenerate. By adding the antioxidants 2-butanone oxime, pyrogallol, carbohydrazide and N, N'-bis(salicylidene)-1,2-propylenediamine, the main absorption component and the solvent can be effectively prevented from being oxidized by oxygen, thus guaranteeing good performance and service life of the non-aqueous decarbonization solution. The non-aqueous decarbonization solution of the invention is mainly used for trapping carbon dioxide in various chemical reaction tail gases, tail gases from steel plants and cement plants, ore decomposition gas, combustion flue gas, natural gas, city gas and biogas, and has a broad application prospect.

The present invention discloses nanometer emulsified fuel additive and its preparation process, and belongs to the field of liquid fuel additive technology. The fuel additive is prepared with the components including triethyl tetramine, diethyl ethanolamine, AE03 or AE04, alkylphenol ethoxylate, polyethylene glycol lauryl ether, ethylene glycol monomethyl ether, sorbitan oleate, fatty acid ester, isopropyl nitrate, cobalt naphthenate, acetone and ferrocene. It has an oil saving rate of 7-12 % and obvious pollution reducing effect.

The invention discloses a liquid alkali-free accelerator, and belongs to the field of concrete additives. The liquid alkali-free setting accelerator is prepared by uniformly mixing the following raw materials in percentage by mass: 40%-50% of aluminum sulfate, 10%-15% of magnesium sulfate, 0.5%-1.5% of 3-hydroxy-3-carboxyl glutaric acid, 3%-8% of N, N-diethylethanolamine, 1%-3% of ethylenediaminetetraacetic acid disodium salt, 0.1%-0.3% of diethanolisopropanolamine, 0.5%-2% of sodium thiosulfate and the balance of water. The accelerator is used for spraying concrete, the mixing amount is generally 6%-8% of the mass of cement, the accelerating effect is good, excellent early strength and later strength are achieved, and meanwhile the accelerator has long-term stability.

The invention discloses modified polytrifluorochloroethylene plastic for a junction box of an SF6 density relay. Raw materials of the modified polytrifluorochloroethylene plastic in parts by weight are as follows: 20-40 parts of ethylene-vinyl acetate copolymer, 30-40 parts of polytrifluorochloroethylene, 5-15 parts polyacrylic acid, 5-20 parts of bisphenol A type polyarylester, 1-2 parts of dicumyl peroxide, 1-2 parts of diethylenetriamine, 1-2 parts of N,N-diethylethanolamine, 1-2 parts of cerium oxide, 0.5-1 part of lanthanum oxide, 1-3 parts of stearic acid, 1-2 parts of liquid coumarone, 10-20 parts of glass fibers, 20-40 parts of superfine modified kaolin, 5-15 parts of clay, 10-20 parts of glass beads, 10-20 parts of nanosilicon dioxide, 1-2 parts of an anti-ageing agent 264, 1-2 parts of an anti-ageing agent DPPD and 1-2 parts of p-phenylenediamine. The modified polytrifluorochloroethylene plastic disclosed by the invention has excellent heat resistance, ageing resistance and mechanical properties.

The invention belongs to the technical field of preparation and application of graphene, and specifically provides a graphene conductive agent. The graphene conductive agent comprises the following components in parts by mass: 70-100 parts of graphene, 30-80 parts of epoxy resin, 10-20 parts of monoethanolamine, 10-20 parts of triethylene tetramine, 10-20 parts of water, 20-30 parts of ethyl alcohol, 12-15 parts of butyrolactone, 12-18 parts of N, N-diethyl ethylene diamine, 5-10 parts of acetone, 10-20 parts of tetrahydrofuran, 2-5 parts of hydroxyethyl cellulose, 1-3 parts of chitosan, 2-6 parts of seaweed mud, 2-8 parts of silane coupling agent, and 5-30 parts of carbon nanotube. According to the graphene conductive agent, a small number of carbon nanotubes are introduced; the capacityof an electrode material is improved based on high conductivity of graphene and the carbon nanotube; the internal resistance of a battery is reduced; and the cycle life of the battery is prolonged while the conductivity of the conductive agent is improved.

The invention discloses a medical PS (Poly Styrene) antibacterial film and a preparation method thereof. The preparation method comprises the following steps: weighting the following components in parts by weight: PS, CPE (Chlorinated Polyethylene), a nanometer zirconium phosphate silver-loaded antibacterial agent, nanometer LDPE (Low-Density Polyethylene), a styrene-butadiene block copolymer, SEBS (Styrene-Ethylene / Butylene-Styrene), a surface treatment agent, LDPE, dicumyl peroxide, POE (Polyolefin Elastomer), an ultraviolet absorber, N,N-diethylethanolamine, aluminum trichloride, zinc stearate and carbon tetrachloride, evenly mixing and extruding and granulating. At 0 DEG C, the product has longitudinal elongation of 5-45% and tensile strength of 45-65MPa, longitudinal heat shrinkage of 25-45%, transverse shrinkage ratio of 20-40% and tear strength of 10-12kN / m; the antibacterial rate on escherichia coli is 95.9-99.9% and the antibacterial rate on staphylococcus aureus is 97.5-99.5%.

The invention discloses a method for controlling the pH value of a process water circulation system ethylene production by steam cracking. The method is characterized in that a water solution having a pH value of 4.7 and containing ring-B ring-C cation polyether with concentration of 10wt% is taken as an anti-phase demulsifying agent, a pentanediol solution having a pH value of more than 6.9 and containing diethylene triamine penta methylene phosphonic acid with concentration of 10wt%-30wt% is taken as a corrosion inhibitor, an alcohol ether solution having a pH value of less than 5.1 and containing naphthalene with concentration of 10wt% is taken as dispersing agent, a water solution having a pH value of more than 13 and containing N.N-diethyl ethylene diamine with concentration of more than 60wt% is taken as a neutralizer, and a water solution having a pH value of more than 13 and containing sodium hydroxide with concentration of more than 10wt% is taken as an alkaline corrosion inhibitor; and the solutions are sequentially injected according to a given injection sequence as well as given injection points and injection amounts, and then are adjusted according to monitoring projects and analysis indexes. According to the method, the pH value of the process water system is stably controlled, the water quality is obviously improved, and the qualified rate is above 98%. During the running of the processing water circulation system for 3 years, the system is not subjected to a process water emulsion phenomenon, and heat exchangers and other equipment as well as pipes are not subjected to leakage.

The invention discloses a preparation method of a DNL-1 molecular sieve. The method comprises the following steps: 1) mixing an aluminum source, a phosphorus source, R1, R2, hydrofluoric acid and deionized water to obtain a primary mixture; 2) crystallizing the obtained primary mixture for 0.5-96 h at the temperature of 150-220 DEG C to obtain an aluminum phosphate molecular sieve, wherein the molar ratio of Al2O3, P2O5, R1, R2, HF and H2O in the primary mixture is 1: 0.5: 1.5: 5-20: 0.1-1.5: 0.1-2: 8-40; R1 is diethylethanol or triethanolamine; and R2 is selected from one or more of butyl trimethyl ammonium chloride, tetramethyl ammonium chloride, diethylamine and choline chloride. The preparation method of the aluminum phosphate molecular sieve DNL-1 is simple, and is simple and convenient to operate and low in cost, raw materials are commercial and easily obtained, and thus, the aluminum phosphate molecular sieve DNL-1 is suitable for being produced industrially.

The invention discloses a preparation method of modified alumina dry glue powder. The method comprises the following steps: (1) preparing a mixed solution containing a modifying element and at least one of diethyl ethanolamine and polyethylene glycol, wherein the mass content of a modifying element precursor in the mixed solution is 5-30%, the mass content of the at least one of the diethyl ethanolamine and polyethylene glycol is 0.1-10%, and the modifying element is silicon, magnesium or zinc; (2) preparing an aluminum salt and a precipitant, performing a co-precipitation reaction to obtain asolution containing aluminum hydroxide sol, ageing the solution containing aluminum hydroxide sol for 10-30 min, adding the mixed solution prepared in step (1), and continuing the ageing, wherein theaddition amount of the mixed solution prepared in the step (1) makes the content of the modifying element (by oxide) in a final catalyst be 1-10%; and (3) filtering, washing and drying the obtained aged material to obtain modified alumina. The method facilitates the enrichment and high dispersion of the modifying element on the surface of the alumina carrier, and improves the physical and chemical properties of the alumina dry glue powder.

The invention discloses a novel nanometer-grade copper-cobalt alloy micro-particle heat conducting liquid material and belongs to the field of energy chemistry. The prescription of the novel nanometer-grade copper-cobalt alloy micro-particle heat conducting liquid material is characterized by consisting of hydrogenated terphenyl, methyl phenyl silicone oil, octadecylamino-propylamine, diethylethanolamine and nanometer-grade copper-cobalt alloy micro-particles. The invention aims to provide a novel heat conducting liquid material which is high in heat conduction efficiency, rapid in cooling and mainly applied to a solar CSP photo-thermal power generation system and takes nanometer-grade copper-cobalt alloy micro-particles as a dispersion phase. The novel nanometer-grade copper-cobalt alloy micro-particle heat conducting liquid material disclosed by the invention is 1.32W / m.K to 2.6W / m.K in heat conduction coefficient which is about ten times that of the prior art and is far faster than the same type of products in the prior art in cooling speed, which is just the core value of the novel nanometer-grade copper-cobalt alloy micro-particle heat conducting liquid material disclosed by the invention.

The invention provides a method for preparing an epoxy-group-base conductive ink composition. Epoxy resin, coloring pigments, tributyl(1-ethoxy ethylene)tin, carbitol acetate and silver-coated copper powder are added into a reaction still by weight, stirring is conducted at the rotational speed of 200-500 rpm for 20-80 min, and grinding is conducted to obtain an intermediate product; then, soybean oil, water, wetting agents and N,N-diethylethanolamine are added, stirring is conducted at the rotational speed of 400-700 rpm for 30-90 min, filtering is conducted, and filtered emulsion is collected; defoaming agents and the intermediate product are added, stirring is conducted at the rotational speed of 200-600 rpm for 60-120 min, and the epoxy-group-based conductive ink composition is obtained.

The invention discloses a novel nanometer-grade copper-iron alloy micro-particle heat conducting liquid material and belongs to the field of energy chemistry. The prescription of the novel nanometer-grade copper-iron alloy micro-particle heat conducting liquid material is characterized by consisting of hydrogenated terphenyl, chloridized silicon oil, octadecylamino-propylamine, diethylethanolamine and nanometer-grade copper-iron alloy micro-particles. The invention aims to provide a novel heat conducting liquid material which is high in heat conduction efficiency, rapid in cooling and mainly applied to a solar CSP photo-thermal power generation system and takes nanometer-grade copper-iron alloy micro-particles as a dispersion phase. The novel nanometer-grade copper-iron alloy micro-particle heat conducting liquid material disclosed by the invention is 1.2W / m.K to 2.3W / m.K in heat conduction coefficient which is about ten times that of the prior art and is far faster than the same type of products in the prior art in cooling speed, which is just the core value of the novel nanometer-grade copper-iron alloy micro-particle heat conducting liquid material disclosed by the invention.

The invention discloses a nanoscale aluminum silicon alloy microparticle containing heat transfer fluid new material, and belongs to the chemical energy field, and the nanoscale aluminum silicon alloy microparticle containing heat transfer fluid new material formula is characterized by comprising ditolyl ether, methyl phenyl silicone oil, diethyl ethanolamine, end group polyisobutylene and nanoscale aluminum silicon alloy microparticles. The purpose of the present invention is to provide a high heat transfer efficiency and fast heat dissipation heat transfer fluid new material which is mainly used in solar CSP solar-thermal generating power system and contains the nanoscale aluminum silicon alloy microparticles as a dispersed phase, the heat transfer coefficient of the heat transfer fluid new material is 1.55 W / m. K-2.45 W / m. K, and is about 10 times of the heat transfer coefficient of existing technology, the heat dissipation speed is far faster than that of the similar products of the existing technology, and the core values of the heat transfer fluid new material is the fast heat dissipation speed.