212 results about "N-Amyl alcohol" patented technology

The invention discloses a special high-property coating for chemical equipment. The special high-property coating comprises the following raw materials: novolac epoxy resin, phosphorus-containing acrylic resin, boric acid modified organic silicon resin, polytetrafluoroethylene resin, polyvinylidene fluoride, a carbon nano tube, ammonium polyphosphate, pentaerythritol, alumina powder, pyrophyllite powder, graphite, expanded perlite, modified attapulgite, cerium oxide, n-butyl alcohol, n-amyl alcohol, ethanediol, water, amine resin, melamine polyphosphate, N-phenyl-N'-cyclohexyl p-phenylene diamine, dodecanol, dipropylene glycol mono butyl ether, dimethyl phthalate, a coupling agent and an auxiliary agent. The special high-property coating for the chemical equipment, which is disclosed by the invention, has the advantages of good corrosion resistance and high-temperature resistance, high adhesive power and excellent flame-retardant property, can be used for the chemical equipment, is difficult to desquamate, good in protection effect and capable of prolonging the service life of the chemical equipment.

The invention discloses an additive for improving resisting phase separation performance and a heat value of methanol gasoline. The additive consists of the following raw materials in percentage by weight: 35-45 percent of aliphatic alcohol, 10-20 percent of aliphatic ether, 15-30 percent of aliphatic ester, 5-15 percent of aliphatic acid, 1-5 percent of aliphatic amine and 0.1-3 percent of emulsifier OP, wherein the aliphatic alcohol is one or more of isopropyl alcohol, n-propanol, n-amyl alcohol, isoamyl alcohol and n-butyl alcohol; the aliphatic ether is one or more of ethylene glycol methyl ether, ethylene glycol ethyl ether and ethylene glycol butyl ether; the aliphatic ester is one or more of butyl acetate, n-amyl acetate and isoamyl acetate; the aliphatic acid is oleic acid and/or naphthenic acid; the aliphatic amine is dimethylamine and/or diethylamine; and the emulsifier OP is emulsifier OP-15 and/or emulsifier OP-20. The methanol gasoline in which the additive is added has superior low-temperature resisting phase separation and water resisting phase separation performances and an obviously improved heat value.

The invention relates to recycled oily sludge recovery treatment washing liquid. The recycled oily sludge recovery treatment washing liquid comprises the following components in parts by weight: 1-6 parts of anionic surface active agent with HLB (Hydrophile-Lipophile Balance) number of 10-40, 0-5 parts of cationic surface active agent with HLB number of 8-20, 1-7 parts of n-butyl alcohol or n-amyl alcohol, 1-3 parts of electrolyte and 79-97 parts of water, wherein the anionic surface active agent is one or several of sulfate, sulfonate, carboxylate and organic phosphate salt, and the cationic surface active agent is one or more of quaternary ammonium salt and oxidized ammonium salt. The invention also discloses a recycled oily sludge resource treatment method. According to the recycled oily sludge resource treatment washing liquid and the recycled oily sludge resource treatment method, oil in oily sludge is recycled by means of the advantages of mutual phase inversion among a W/O type microemulsion, an O/W type microemulsion and a double successive type microemulsion; and the treatment method is carried out at a normal temperature, high energy consumption generated due to high-temperature treatment is avoided, the cyclic utilization of the washing liquid is realized, the solvent waste is reduced, and the treatment cost is further reduced.

The invention discloses a quasi-hexagonal flaky calcium carbonate metastable crystal form (aragonite) grain and a preparation method thereof. The grain is mainly quasi-hexagonal flake, and has narrow grain size distribution with average grain diameter of between 1 and 2 mu m. The method is to use a calcium salt system consisting of organic calcium salt (calcium dodecyl sulfate and the like), an organic additive (n-amyl alcohol and the like) and ammonia to react with carbon dioxide to generate the quasi-hexagonal flaky calcium carbonate metastable crystal form (aragonite) grain. The grain has strong capability of product surface coating and covering, is easy to disperse, and has excellent optical performance and printing performance, so that a paper product prepared by the grain has higher whiteness, brightness and shading performance, can save dosage of paper pulp, and can reduce cost of paper making.

The invention provides an organic silicon modifying acrylic ester microemulsion which is made by taking butyl acrylate, styrene and silane coupling agent KH570 as basic raw materials, taking a nonionic-negative ion surface active agent or a nonionic-nonionic surface active agent as a composite surface active agent, taking n-amyl alcohol as an auxiliary surface active agent, taking deionized water as disperse phase, taking azo type and peroxide type or sulphate as evocating agents, and adopting the microemulsion free radical copolymerization. The organic silicon modifying acrylic ester microemulsion is semitransparent or transparent, has good anti- electrolyte stability, centrifugal stability and distilling stability, reinforces the clay in wet environment at a room temperature, has little influence on the surface appearance on the clay, has the advantages of high permeating speed and controllable permeating depth, thereby being a novel room temperature reinforcing and protective material for the clay surface in the wet environment.

The invention relates to a thorn-like silica ball and a preparation method thereof. The silica ball has a plurality of thorn-like structures formed by a silica line, and interconnected mesoporous channels are formed between thorns. The preparation method comprises the following steps: 1) emulsification: stirring and dissolving urea, hexadecylpyridinium bromide hydrate and deionized water to form an A solution, mixing n-amyl alcohol, cyclohexane and organic silicate ester to form a B solution, adding dropwise the prepared A solution to the B solution and stirring continuously for 0.5 to 5 hours to obtain a white emulsion; 2) balling: heating the obtained white emulsion in 1) in an oven at 60 to 180 DEG C, standing for 3 to 10 hours to obtain a white precipitate; 3) purification: cooling the white precipitate obtained in 2), performing suction filtration, washing with water and ethanol at least once, and after drying, transferring the white precipitate to a muffle furnace for calcination at 400 to 600 DEG C to obtain a white powdery solid. The prepared silica ball with a thorn-like structure has excellent properties, satisfies more needs, and has a simple preparation method.

The present invention belongs to the field of nanometer inorganic material technology, and is especially preparation process of nanometer calcium sulfate material. The preparation process includes the following steps: compounding calcium salt solution and sulfate solution of molar concentration 0.05-0.20 mol/l; setting the calcium salt solution in 1.5 ml in one conical flask and sulfate solution in 1.5 ml in one other conical flask; adding to each of the conical flasks C12E9 in 5 ml, n-amyl alcohol in 1 ml and cyclohexane in 40 ml via stirring to obtain two kinds of homogeneous reverse phase micellar solution separately; mixing these two kinds of reverse phase micellar solution; stilling for certain time; demulsifying separation with acetone, washing and drying to obtain nanometer luminescent calcium sulfate material, which may be nanometer particle, nanometer tube, nanometer rod or nanometer line corresponding to the stilling time of 0.8-1.5 min, 4.5-5.5 min, 8-15 hr and 100-120 hr separately.

The invention relates to a method for dyeing wool quickly at low temperature. The method comprises the following steps of: preparing a levelling agent, preparing a dye solution and dyeing the wool at the low temperature, wherein 1) the levelling agent is prepared from the following raw materials in part by weight: 15 to 25 parts of sodium acetate, 25 to 35 parts of aromatic polyether sodium benzene sulfonate, 5 to 15 parts of sodium hydrogensulfite, 15 to 25 parts of n-amyl alcohol and 1,000 parts of water, and a method for preparing the levelling agent comprises the following steps of: weighing the sodium acetate in the ratio, adding the sodium acetate into the water, dissolving and stirring uniformly; and regulating the pH value to reach 4.5 by using glacial acetic acid, adding the aromatic polyether sodium benzene sulfonate, the sodium hydrogensulfite and the n-amyl alcohol, and stirring the mixture in a constant temperature oscillator uniformly for 30 minutes for later use; and 2)the dye solution is prepared from the following raw materials in part by weight: 2 to 8 parts of dye, 1 to 5 parts of levelling agent and 1,000 parts of water, and a method for preparing the dye solution comprises the following steps of: adding the dye and the levelling agent into the water in the ratio, stirring uniformly, and regulating the pH value to be between 4.5 and 5 by using glacial acetic acid for later use.

The invention discloses a manganese-based layered lithium-enriched material having a one-dimensional porous structure and a preparation method of the manganese-based layered lithium-enriched material. The preparation method comprises the following steps: adding cetyl trimethyl ammonium bromide into oxalic acid solutions under a stirring condition, and adding n-amyl alcohol, cyclohexane and a mixed solution of manganese salt and cobalt salt to obtain an oxalate micro-nanometer rod with the one-dimensional structure; preparing the oxalate micro-nanometer rod with the one-dimensional structure into a manganese-cobalt oxide micro-nanometer rod having a one-dimensional porous structure; and finally, performing reaction on the manganese-cobalt oxide micro-nanometer rod having the one-dimensional porous structure and a proper amount of lithium sources to obtain the manganese-based layered lithium-enriched material having the one-dimensional porous structure. The manganese-based layered lithium-enriched material having the one-dimensional porous structure is high in specific capacity, high in multiplying power performance and high in cycle performance.

The invention discloses a preparation method for synthesizing vanillin by using natural eugenol as raw material. The preparation method comprises the following steps: adding potassium hydroxide and n-amyl alcohol into a three-neck round bottom flask with volume of 250 ml and equipped with a backflow condensation tube, a magnetic stirring device and a constant-pressure dropping funnel through isomerization, dropwise adding the natural eugenol after stirring for dissolution, heating for backflow, then transferring a reaction solution into water for dilution, transferring lower-layer liquid to a separatory funnel in several times, and washing with a NaOH solution until the color of upper-layer liquid does not become light; combining all alkali liquors, and extracting with acetone, acidating and evaporating rotatably to obtain isoeugenol; adding a certain amount of nitrobenzene into the isoeugeno to oxidize double bond of propenyl of the isoeugeno, and then purifying a vanillin crude product, wherein the vanillin productivity can reach above 95.0%. The method has the advantages that the adoption of highly-toxic catalysts of carbonyl iron and the like in the isomerization process is avoided, the after-treatment technology is relatively simple, and the operation is convenient. An extraction agent can be recycled to lower the cost.

The invention discloses monosubstituted metal phthalocyanine and a synthesis and separation method and application thereof. The conventional synthesis and separation of a metal phthalocyanine coordination compound are limited by experimental conditions and are not suitable to be widely applied. The monosubstituted metal phthalocyanine is prepared by the following steps of: reacting substituted phthalonitrile 1 with substituted phthalonitrile 3 in the presence of n-amyl alcohol, DMF (N,N-dimetbylformamide) or DMSO (dimethyl sulphoxide) according to a molar ratio; adding metal salt and organic base, wherein the molar ratio of the metal salt to the substituted phthalonitrile 1 is 1:1-1:5, the molar ratio of the organic base to the substituted phthalonitrile 1 is 3:1-10:1, the molar ratio of the n-amyl alcohol, the DMF or the DMSO to the substituted phthalonitrile is 10:1-20:1 and the reaction is performed at the temperature of between 120 and 200 DEG C for 15 to 30 hours to generate a monosubstituted metal phthalocyanine-containing mixture; and separating the mixture by a dry-column chromatography. The method is used for preparing new monosubstituted metal phthalocyanine.

A method for separating beta-sitosterol and stigmasterol from mixed phytosterol comprises the following steps: (1) mixing and dissolving the mixed phytosterol and n-amyl alcohol at 60-70 DEG C, adding the stigmasterol to prepare a saturated solution of the stigmasterol at the temperature, and thermally filtering the solution to remove impurities so as to obtain a filter liquor; (2) cooling the filter liquor to 20-30 DEG C, stirring at a constant temperature, maintaining the temperature, and filtering to obtain a filter cake of crude stigmasterol; (3) cooling the filtrate to 0-10 DEG C, stirring at a constant temperature, maintaining the temperature, and filtering to obtain a filter cake of crude beta-sitosterol; (4) refining the crude stigmasterol with the n-amyl alcohol to obtain a stigmasterol product with high purity; (5) refining the crude beta-sitosterol with the n-amyl alcohol to obtain a beta-sitosterol product with high purity. The method is simple in process step and safe in production; the solvent is simplex, small in using amount, and easy to recycle; the products are high in purity and high in yield; the method is applicable to industrial production.

The invention relates to a method for preparing nanometer zinc oxide with micro-emulsion. According to the method, SDS/n-amyl alcohol-cyclohexane-NaOH micro-emulsion is dripped into a flask with SDS/n-amyl alcohol-cyclohexane-zinc nitrate in a constant-temperature tank of 30-70 DEG C by using a constant-pressure funnel and then mixed to obtain an ivory liquid; the ivory liquid is centrifuged to separate ultrafine particles from micro-emulsion, the ultrafine particles are sequentially washed with anhydrous alcohol for three times, then washed with water for three times and washed with anhydrous alcohol once during centrifuging, and finally are vacuum-dried at a temperature of 30 DEG C to obtain nanometer zinc oxide. According to the method, the DS/n-amyl alcohol-cyclohexane-zinc nitrate solution and the SDS/n-amyl alcohol-cyclohexane-NaOH micro-emulsion are used as raw materials, nanometer zinc oxide can be prepared in water-in-oil micro-emulsion water droplets by using the two materials, the operation is simple, the experimental conditions are mild, and the cost is low.

The invention discloses a medical photosensitizer and a preparation method thereof. The photosensitizer is tetra(trifluoroethoxy) phthalocyaninate. The preparation method comprises: synthesizing an intermediate 4-trifluoroethoxybenzenedicarbonitrile by reacting 4-nitro-2-benzenedicarbonitrile with trifluoroethanol in dry dimethyl sulfoxide (DMSO) in the presence of lithium hydroxide; and reacting the intermediate and anhydrous metal chloride in dry n-amyl alcohol in the presence of 1,8-diazabicyclo[5,4,0]-undec-7-ene (DBU) which is a strong organic alkali to obtain the tetra(trifluoroethoxy) phthalocyaninate. In the method, the conditions are mild, the reaction temperature is only about 70 DEG C, and the yield is up to 78 percent. In-vitro cell experiments prove that the tetra(trifluoroethoxy) phthalocyaninate has high ability of killing HL-60 and SW-1116 cells. The results of in-vivo photodynamic therapy (PDT) tests show that ZnPcF has PDT effect on U14 transplantable tumor in mice and that the U14 transplantable tumor inhibition rate of the ZnPcF reaches 79.1 percent.

The invention discloses a 1, 3, 5-triphenyl benzene synthesizing method, which comprises the following steps: dissolving acetophenone in n-amyl alcohol; mixing and adding in accelerant tin tetrachloride; putting in accelerant p-toluenesulfonic acid; reacting at 110deg.c for hours; pouring out reactant in absolute ethyl alcohol; mixing; filtering; using carrene-alcohol for recrystallization; getting 1,3,5-diphenylbenzene benzene. The invention solves the problem of the carbonization of corrosive acid catalystsing and synthesizing 1, 3, 5-triphenyl benzene, which reduces the reaction yield and environmental contamination.

The present invention relates to a high-temperature organic acid corrosion inhibitor for inhibiting refinery vacuum tower high-temperature naphthenic acid corrosion environment with 200-400deg.C. Its composition includes (by wt%) 10-60% of corrosion inhibitor intermediate obtained by using boric acid and organic amine according to the mole ratio of 1:0.5-3 through a certain reaction process, 20-80% of monohydric alcohol or dihydric alcohol solvent formed from one kind and two kinds of methyl alcohol, ethyl alcohol, n-propyl alcohol, isopropyl alcohol, butyl alcohol, isobutyl alcohol, 1,2-propylene glycol, n-amyl alcohol, n-heptyl alcohol and n-caprylic alcohol or combination of more than two kinds of above-mentioned components and 0.1-20% of corrosion inhibition film-forming component formed from one kind or any two kinds of sulfourea, benzyl chloride, alkylene sulfide, propiolic alcohol, trisodium phosphate, ammonium phosphosulfate, diammonium phosphate, triammonium phosphate and benzotriazole or combination of more than two kind of above-mentioned all the components.

The invention discloses a catalyzing and synthesizing method of ethyl propyl carbonate and methyl amyl carbonate, which is characterized by the following: selecting alkaline metal or alkaline metal salt or hydroxide as catalyst as well as zeolite molecular sieve or active charcoal immersed by alkaline metal or alkaline metal salt or hydroxide; adopting DEC and normal propyl alcohol as raw material; improving the transmitting rate of DMC to 100% and selectivity of ethyl propyl ester carbonate to 96.1%.

The invention discloses a synthesis method of zinc oxide particles, which includes the following steps: preparing three elements solution of sodium hydroxide, polyvinylpyrrolidone and n-amyl alcohol; stirring zinc nitrate alcohol solution while adding the three elements solution, continuously stirring for 10 to 30 minutes at 30 to 40 DEG C, then standing silent for 24 to 72 hours; carrying out centrifugation on the reaction solution after standing and removing liquid, thereby, the zinc oxide particles of high purity are achieved. The invention uses the polyvinylpyrrolidone as promoting agent and guiding agent for the crystallization of oxide zinc, which not only realizes the crystallization of zinc oxide at room temperature, but also realizes the regulation of luminescence band-gap of zinc oxide particles through the simple change of experimental parameters to lead the free regulating of zinc oxide appearance among the structures of single layer, quasi double layer, double layer and one dimension.

The invention discloses a reversed-phase microemulsion for removing harmful chloride ions from a bronze ware. The reversed-phase microemulsion comprises oil phase, aqueous phase, a mixed surfactant and cosurfactant, wherein the oil phase is cyclohexane, the aqueous phase is a silver acetate aqueous solution, the mixed surfactant comprises the following components in percent by volume: 55-65% of polyoxyethylated castor oil, 35-45% of span-80, the cosurfactant is any one of ethyl alcohol, n-butyl alcohol, isobutanol and n-amyl alcohol, the volume ratio of the cosurfactant to the surfactant is 1: (0.3-2). The reversed-phase microemulsion for removing harmful chloride ions from a bronze ware is stable and white transparent in color, has good permeability, wettability, levelling property and rheological property, easily permeates into and act on bronze cultural relics with complex surface appearance and ornamentation, effectively removes harmful chloride ions from bronze wares, does not pollute the surfaces of the bronze cultural relics, and is strong in operability.