85 results about "Propanolamine" patented technology

The invention discloses a concrete early-strength agent, which is characterized in comprising the following components according to weight percentage: inorganic salt early-strength component 35-55 percent, organic early-strength component 5-10 percent, water reducing component 15-25 percent, wherein the inorganic salt early-strength component is prepared by at least two among sulfate, carbonate, nitrate, and nitrite; the organic early-strength component selects any one among calcium formate, sodium acetate, calcium oxalate, triethanolamine, tri-iso-propanolamine and carbamide; the water reducing component selects one among naphthalenesulfuric acid type, melamine type and polycarboxylate type. The invention makes the concrete be coagulated and hardened rapidly under the condition of low temperature, so that the early strength of the concrete is greatly improved as well as later strength is ensured.

The invention pertains to the field of chemical materials and in particular relates to a sorption solvent which catches or separates carbon dioxide from gaseous mixtures or liquefied gases. The solvent comprises n-propanolamine with a content range of 5-60wt% and other components with a total content range of 40-95wt%; other components comprise monoethanol amine, diethanolamine, methyl diethanolamine, diisopropanol amine, 2-amido-2-methyl-1-propyl alcohol, organic amine, water, physical solvent, inorganic salt and one or more accessory ingredients. The number of carbon atoms between the amidocyanogen and the hydroxide radical of the n-propanolamine is three; nitrogen atoms can form a hydrogen bond with the hydrogen atoms on oxygen atoms, or oxygen atoms can form a hydrogen bond with the hydrogen atoms on nitrogen atoms, thus forming a ring structure composed of six atoms; such molecular structure is similar to that of secondary amine, can reduce the formation of amino carbonates and improve the solubility and desorption degree of CO2; meanwhile, the formation of the six-element ring molecular structure increases the stability of molecular and can reduce the degradation loss of solvents in service process.

Disclosed is a compound represented by structural formula (I): R1 is a substituted or unsubstituted aryl group. R2 and R3 are independently —H, a C1-C4 straight chained or branched alkyl group. R4 and R5 are independently —H, a C1-C4 straight chained or branched alkyl group or, taken together with the nitrogen atom to which each is bonded, a non-aromatic heterocyclic ring. Ring A and Ring B are independently further substituted with zero, one or two substituents. Physiologically acceptable salts of structural formula shown above are also included. Also disclosed is a method promoting growth, efficiency of feed utilization and/or production of lean body mass in a livestock animal. The method comprises administering to the animal an effective amount of one or more compounds represented by the structural formula as shown or a physiologically acceptable salt thereof.

The invention discloses a supported gold catalyst, its preparation and its application. The invention is characterized in that the catalyst employs a phosphine ligand for complexation of a monovalent gold compound, then monovalent gold compound is supported on an ordered meso pore phenolic resins material, and then the supported gold catalyst with supporting amount of 2.4-4.0wt% is prepared. The preparation of the supported gold catalyst comprises the steps of ordered meso pore phenolic resins chloromethylation and phosphine ligand; the supported gold catalyst has strong catalytic activity for being used in an intramolecular cyclisation reaction and an intermolecular allyl alcohol amination reaction of 2-alkynyl-1,3-dicarbonyls compounds, which is equivalent to the result of a homogeneous reaction. Compared with the prior art, the preparation method has the advantages of simple process, moderate reaction condition, good activity maintenance and little precious metals consumption, the cycle utilization of the catalyst is realized, the environmental pollution is reduced, and the invention provides the effective solution approach for existed problems of the intramolecular cyclisation reaction and the allyl alcohol amination reaction by traditional homogeneous gold catalysis.

The invention discloses a synthesizing method of ifosfamide, which comprises the following steps: adopting propanolamine as raw material to ring with phosphorus oxytrichloride to obtain phosphorus oxychloride; adding chlorethamin hydrochlorate to substitute to obtain phosphamide; adding chloracetyl chloride to substitute to obtain 3-(2-chloracetyl )-2-[(2-chloroethyl ) amino]-tetrahydrochysene -2H-1,3,2-phosphor-2-oxide as intermediate; reducing the intermediate and alkaline hydroxide to obtain the product.

The invention discloses a Pd/Au/La-ZSM catalyst for preparing isopropanolamine by amination reaction, which takes ZSM-5 zeolite as a carrier and enables metal Pd and metal Au obtained by reduction ofan ammonium chloropalladate and chloroauric acid solution to be stably enriched on the surface of the ZSM-5 zeolite through zeolite activation and surface modification. And after the La is loaded, thereaction for preparing isopropanolamine can be effectively promoted. The invention also discloses a preparation method of isopropanolamine by using the catalyst and the cocatalyst, and in an isopropanolamine product obtained by rectifying the product, the content of triisopropanolamine can reach 90% or above.

The invention discloses a preparation method of a cutting fluid fora hardware alloy cutter or a processed workpiece as a hardware alloy. The preparation method of the cutting fluid comprises the following steps of: adding 5-7 percent of boracic acid and 24-26 percent of 2-amino-2-methyl-1-propanolamine into water; stirring the mixture under the condition of 40-50DEG C to be completely dissolved; cooling the dissolved solution to 25-35DEG C; then adding 3-5 percent of polyoxyethylene octadecyl phosphate, 5-7 percent of polyoxyethylene phenyl phosphate, 2-4 percent of dibutyl phthalate, 6-8 percent of phenol ether phosphate, 2-4 percent of sodium benzoate, 2-4 percent of propanetriol, 0.4-0.6 percent of isothiazolin one, 0.6-0.8 percent of benzotriazol and 0.3-0.5 percent of nonylphenol polyoxyethylene ether one by one and fully stirring; after the substances are completely dissolved, adding 0.6-1.0 percent of methyl silicone oil and then stirring for 60-90 minutes; and finally, adjusting the pH value to 8.5-9.5, wherein various components are counted according to weight percentage and the balance of water is counted according to weight percentage.

The invention relates to a hydrophobic coating for the external wall of a building and a preparation method of the hydrophobic coating. The coating comprises the following components in parts by mass: 26-40 parts of acrylate emulsion, 12-22 parts of pure acrylic emulsion, 20-30 parts of kaolin powder, 3-10 parts of lithopone, 2-7 parts of kieselguhr, 1-5 parts of kyanite powder, 0.2-0.4 part of magnesium stearate, 0.1-0.3 part of tributyl phosphate, 0.1-0.26 part of polyoxyethylene propanolamine ether, 0.08-0.17 part of sodium carboxymethylcellulose, 0.12-0.33 part of isothiazolinone, 1-3.6 parts of propylene glycol, 0.1-0.4 part of 2-amino-2-methyl-1-propyl alcohol, 0.2-0.5 part of water repellent, 0.7-1.7 parts of propylene glycol methyl ether acetate, 0.2-0.5 part of ethylene glycol monoethyl ether acetate, 0.3-1 part of abietinol and 5-16 parts of water. The coating provided by the invention has good hydrophobic property and high acid resistance, aging resistance and sterilization and self-cleaning property.

The invention relates to a gold resistant and high thermal resistance PPA (Phenyl-Propanolamine)/PETG (Polyethylene Terephthalate Glycol) alloy as well as preparation method and application of the alloy. The alloy comprises the following components in parts by weight: 29 to 54.6 parts of PPA, 10 to 20 parts of PETG, 5 to 15 parts of toughening agent, 30 to 35 parts of alkali-free glass fiber, 0.2 to 0.5 part of an antioxidant, and 0.2 to 0.5 part of a processing agent, wherein the toughening agent is prepared by compounding maleic anhydride grafted SEBS (Styrene-Butadiene-Styrene) with maleic anhydride grafted ethylene-butylene-copolymer; the antioxidant is a phenol or phosphonolipid antioxidant; and the processing agent is one of EBS (Ethylene Bis Stearamide) and silicone powder or a mixture obtained by compounding EBS and silicone powder. The preparation method comprises the following steps in sequence: uniformly mixing and stirring all the raw materials except the alkali-free glass fibers; feeding the alkali-free glass fibers while melting and extruding; cooling; drying in the air; cutting into granules; and processing by strong magnet, thus obtaining the finished product of the alloy. The alloy is higher in impact strength, electrical property, modulus, rigidity and surface gloss, and can be normally used at all temperatures.

The invention discloses granulation tower insulating oil which is prepared by mixing the following components in parts by weight: 10-20 parts of dimethyl acetic acid, 10-20 parts of polyoxyethylene, 10-20 parts of octadecyl tetrahydroxy glyceride, 0.8-1 part of polyacrylamide, 10-15 parts of glycerol, 0.5-1.5 parts of alkyl butter propanolamine and 30-40 parts of cationic water. The granulation tower insulating oil is safe and non-flammable and has a good heat insulation effect.

The invention discloses a glass antifogging agent and a preparation method thereof. The glass antifogging agent comprises a solution A and a solution B in a ratio of 5:1. The solution A comprises the following components in parts by weight: 7-18 parts of polyvinyl alcohol, 200-370 parts of water, 20-100 parts of diethanolamine, 10-50 parts of tallow alkyl propanolamine, 20-60 parts of isopropanol, 12-35 parts of 3 mol/L hydrochloric acid, 0.6-6.5 parts of 40 wt% acetaldehyde and 6-17 parts of potassium dichromate. The solution B comprises the following components in parts by weight: 7-16 parts of polyoxyethylene surfactant, 10-25 parts of sodium hexametaphosphate, 5-25 parts of sodium pentachlorophenate, 2-7 parts of soap flake adhesive, 8-19 parts of ethyl silicate, 7-22 parts of gamma-glycidoxypropyltrimethoxysilane, 11-32 parts of ethanol and 1.3-9.5 parts of glacial acetic acid. Thereby, after use, the glass antifogging agent has sufficient surface strength, is clean and harmless, can not do harm to the humans or livestock, is simple to use, and has the advantages of favorable antifogging effects, long technical effective time (up to half a year or more) and no environment pollution; and the manufacturing technique is simple, so the cost is lower.

The invention belongs to the technical field of high polymer materials and relates to a polyaspartic acid type ice point regulator preparation method by taking polyaspartic acid and polyaspartic acid derivatives as the raw materials. A macromolecular polyaspartic acid type grafted copolymer is provided, and is synthesized by a midbody polysuccinimide of polyaspartic acid amino acid and a graft, wherein the graft comprises alcohol amine type substances, such as ethanol amine, isopropanolamine, diglycolamine, diethanol amine, 2-amino-1-butanol, N-(3-aminopropyl)diethanol amine, 3-amino propanol, 2-(methylamino)ethanol, D-phenylglycinol, diisopropanol amine and N-(2-ethoxy)ethylenediamine. The copolymer can be taken as an environment-friendly macromolecular ice point regulator, and has high application value in the energy saving field of a dynamic ice-slurry cold-storage air-conditioning system and the field of food additives and medical fields.

The invention relates to an improved cutting liquid for metal. The cutting liquid is prepared from the following raw materials in parts by weight: 7-11 parts of fatty alcohol-polyoxyethylene ether, 4-10 parts of turkey red oil, 3-9 parts of hydramine, 4-8 parts of a corrosion inhibition antisludging agent, 3-8 parts of methylbenzotriazole, 1-5 parts of oxalic acid tetraacetic acid disodium, 2-7 parts of alkenyl succinic acid, 8-14 parts of 2-amino-2-methyl-1-propyl alcohol amine, 6-8 parts of diethanolamine, 2-4 parts of methyl silicone oil, and 1-5 parts of glycerine. The cutting liquid disclosed by the invention has a good cleaning function, at the same time, is safe and environmental friendly, does not corrode equipment, and can protect the surface of a workpiece.

The invention belongs to the technical field of ore dressing, and particularly relates to application of an amine collecting agent. The invention provides the application of the amine collecting agentto flotation of scheelite or gangue mineral calcite. The amine collecting agent is N-dodecyl propanolamine. The amine collecting agent, i.e., N-dodecyl propanolamine, provided by the invention is lowin toxicity and free of pollution, has strong electrostatic adsorption, hydrogen bond adsorption and physical adsorption effect on scheelite or gangue mineral calcite, shows high selectivity for scheelite and gangue mineral calcite, does not needed to be compounded with other collecting agents, and is simple and convenient in application process and simple in agent system. Test results show thatthe amine collecting agent N-dodecyl propanolamine provided by the invention is used for mineral flotation collection, has a scheelite recovery rate of 93.89% and a calcite recovery rate of 5.27%, andhas the advantages of high efficiency, high selectivity, simple use process, simple reagent system and good flotation effect.

The invention discloses novel outer wall paint, which is prepared from the following raw materials in parts by weight: 2.5-7.6 parts of lime plaster, 3.5-8.2 parts of sodium borate, 2.5-6.1 parts of ethyl 2,2-dimethylpropionate, 10-15 parts of titanium dioxide, 20-30 parts of white emulsion, 1.2-3.6 parts of hydroxycitronellal, 2.4-6.5 parts of pesticide emulsifier 300#, and 1.6-4.3 parts of beta-1-N,N-dimethylin-2-propanolamine. Compared with an existing product, the novel outer wall paint has the advantages that stronger cohesive property is realized, the raw material price is low, and the production cost is also greatly reduced; the paint also has the characteristic of convenience in use, and an application method is the same as the application method of emulsion varnish sold on the common market. The novel outer wall paint also has the remarkable characteristics of simple process, long protection time for coated objects, convenience in construction, popularization and application, and the like. The product can be widely applied to multiple industries such as building, coating, papermaking, printing, and furniture manufacturing.

The invention belongs to the technical field of release agents, and relates to an organic-silicone-based release agent, in particular to an organic silicone release agent for an artificial board and apreparation method of the organic silicon release agent. The organic silicon release agent is prepared from the compositions in percentage by mass: 4-8% of organic silicone resin, 2-6% of methyl silicone oil, 0.2-1% of an accelerator, 0.2-1% of a masking agent, and the balance isopropyl alcohol, wherein the isopropyl alcohol is a solvent; the organic silicone resin is any one or more of methyltrichlorosilane, dimethyldichlorosilane, phenyltrichlorosilane, and diphenyldichlorosilane; the accelerator is any one of tetrabutyl titanate, dibutyltin dilaurate, bismuth laurate and stannous isooctanoate; and the masking agent is any one or more of N,N-Dimethylisopropanolamine, ethylenediamine, triethylamine, triethylenediamine. The organic silicone release agent is liquid at room temperature, andhas the advantages of small surface tension, low stress during release, good release durability, high temperature resistance, non-toxicity, low cost, good glossness after releasing and non-mold-contaminating.

The invention discloses a high performance composite graphene electrically-conducting paint. The high performance composite graphene electrically-conducting paint comprises, by weight, potassium waterglass of 10 to 15%, a waterborne epoxy resin of 3 to 10%, graphene oxide of 1 to 2.5%, tin dioxide particle of 5 to 10%, montmorillonite of 8 to 10%, sodium lignosulfonate of 2 .5 to 2%, an auxiliaryagent of 3.5 to 5%, inorganic metal copper particle of 10 to 15%, inorganic metal silver particle of 8 to 10%, inorganic metal gold particle of 5 to 3%, inorganic silica particle of 5 to 7 %, a neutralizer propanolamine of 2 to 5%, ethanol of 2 to 5%, and distilled water of 35 to 45%. The raw materials are widely available; the cost is low; the high performance composite graphene electrically-conducting paint is prepared through adding of inorganic particle nanometer silica, stannic oxide particle, nanometer copper particle, nanometer silver particle, and nanometer gold particle into a paintbase material; gold, silver, and copper are excellent in electric conductivity, so that paint electric conductivity can be increased at a certain ratio.

The invention relates to semi-synthetic cutting fluid with antibacterial property, which comprises the following raw materials in parts by weight: 2.3-4.2 parts of higher alcohols, 7-9 parts of Turkey red oil, 18-26 parts of water, 8-19 parts of 2-amino-2-methyl-1-propanolamine, 7.4-9.2 parts of polyoxyethylene octadecyl phosphate, 6-14 parts of antirust agents, 6-9 parts of bactericide, 9-13 parts of oleyl alcohol polyoxyethylene ether, 8-10 parts of undecanedioic Acid, 6-8 parts of phosphite ester, 4-8 parts of triethanolamine oleate, 6-9 parts of dimethyl silicone oil, 4.5-8 parts of boric acid, and 6-9 parts of emulsifier. The semi-synthetic cutting fluid with antibacterial property provided by the invention has the beneficial effects that the semi-synthetic cutting fluid has a certain resistance to bacteria and mould, no harm to human body, and has lubricity and cooling characteristic.

The present invention provides a composite absorbent for recovering CO2 from exhaust gas. The composite absorbent comprises a main absorbent, an assistant absorbent, a consumption reducing agent, water and an organic solvent; the main absorbent is selected from one or more of triethanolamine, tert-propanolamine, N-methyldiethanolamine, ethylamine, propylamine, isopropylamine, n-butylamine, n-pentylamine, isopentylamine, diisobutylamine and isobutylamine; the assistant absorbent is selected from one or more of 2-amino-2-methyl-1-propanol, piperazine, methylethanolamine, diethanolamine and n-propanol amine; the consumption reducing agent is selected from one or more of malonic acid, succinic acid, glutaric acid and adipic acid; and the organic solvent is selected from one or more of propanol, isopropanol, isobutanol, propanone, butanone, ethyl acetate and butyl acetate. The composite absorbent for recovering CO2 from exhaust gas has the advantages of quick absorption speed, large absorption capacity, low regeneration energy consumption, good stability, high purification degree, good desorption effect and the like.

The invention discloses a PPS (polyphenylene sulfite) composite material for a bracket of an auxiliary heating part of an air conditioner. The PPS composite material is prepared from the following components in parts by mass: 10 to 50 parts of PPS resin, 1 to 10 parts of PPA (phenyl-propanolamine) resin, 10 to 60 parts of basalt fiber, 50 to 60 parts of calcium carbonate, 0.1 to 1 part of couplingagent, and 0.5 to 3 parts of color yarns. The PPS composite material for the bracket of the auxiliary heating part of the air conditioner has the advantages that the formula and proportional ratio are reasonable and proper; the characteristics of high temperature-resistant property, high strength, large modulus and good flame-retardant property are realized; the raw materials are easy to obtain,and the preparation method is simple.

The invention discloses an alkenylation product of allylic alcohol carbamate compound and a synthesis method thereof, and belongs to the field of organic synthesis. The synthesis method comprises thefollowing steps of taking allylic alcohol or cyclohexene 3-alcohol compound as raw material, realizing selective cutting and alkenylation of alkenyl carbon-hydrogen bond at same carbon position of thealkenyl, and effectively synthesizing allylic alcohol carbamate compound. Through the synthesis method provided by the invention, the selective olefination reaction of the allylic alcohol carbamate is realized for the first time; the method is high in synthesis efficiency, environment-friendly, small in production environment-friendly pressure, economic and easily available in raw materials, extensive in applicable range of the substrate, and suitable for both cyclic and non-cyclic substrates; the yield can reach 45-98%, and the application range is extensive. The synthesis method provided bythe invention is suitable for effectively and chemically modifying the compound with special biological activity and complex structure, has extensive application prospect and is effective supplementon the synthetic method of natural products.