79 results about "Propyl nitrate" patented technology

The invention discloses an expansibility characterization method of a gel-state solid-liquid high-energy fuel filling explosive body. According to the method, isopropyl nitrate in a sample is replacedwith fuel hydrocarbon to be prepared into a simulated explosive; and the simulated explosive is wrapped by a nitrile rubber film bag, air exhausting is carried out in silicone oil, a bag opening is fastened through a rope and sealed, and the simulated explosive is prepared into a filling simulated explosive. The volumes of the silicone oil in a volume expansion coefficient tester at the temperature of 30 DEG C and the temperature of 60 DEG C are detected; the filling simulated explosive is placed into the silicone oil of the tester, and the volumes of the filling simulated explosive at the temperature of 30 DEG C and the temperature of 60 DEG C are obtained through volume changes of the silicone oil; and the volume expansion coefficient of the filling simulated explosive in the temperature zone from 30 DEG C to 60 DEG C is calculated. According to the method, volume expansibility of the heated gel-state solid-liquid high-energy fuel filling explosive under the full constraint condition can be subjected to characterization, the detection environment is closer to the actual charge condition, and basic data can be provided for determining the explosive filling process. The expansibility characterization method has the beneficial effects that the safety of the detection process is improved; and the structure of the simulated explosive is stable, and the detection accuracy is improved.

The invention provides an environment-friendly type diesel smoke abatement and anti-freeze agent for purifying emission of diesel automobiles, which is prepared from cleaning and dispersing agent, anti-oxidant, alkyl nitrite or isopropyl nitrate or ethylene/vinyl acetate and high grade plane kerosene through high-shearing mixing and emulsion process. The invention can realize good intensified smoke abatement property and fluidity for diesel under low-temperature.

The invention discloses a vehicle environmental-protective carbinol gasoline, which comprises the following parts: 1-40% carbinol, 50-89% basic oil, 0.1-0.3% ethane, 0.1-0.3% skellysolve B, 3-5% tertamyl methyl ether, 0.3-0.8% alcohol, 0.05-0.1% 2, 2-dimethylbutane, 0.1-0.3% tert-butanol, 0.1-0.3% normal propyl alcohol, 0.1-0.3% 2-ethyl(-1-) alcohol, 0.2-0.5% glycol, 0.1-0.15% 1, 3-dihydroxybutane, 0.3-0.8% neopentyl glycol, 0.1-0.15% 1, 6-hydroxylhexane, 0.2-0.5% trimethylolpropane, 0.3-0.5% pentaerythrite, 0.5-0.8% diisopropyl ether, 0.1-0.3% 2-ethyldioxy acetic ester, 0.1-0.3% isopropyl nitrate, 0.2-0.5% dimethyl ketone, 0.1-0.2% ethyl malonate, 0.05-0.2% diphenyl carbonate, 0.01-0.03% 102TB corrosion inhibitor and 0.01-0.03% 107PT anti-swelling agent.

The invention relates to a catalyst used for production of high-purity terephthalic acid di(2-ethylhexyl) acrylate, which belongs to a catalyst for a synthesis process in the chemical industry. The catalyst is a mixed titanic acid ester consisting of tetraisopropyl titanate and tetrabutyl phthalate, wherein the weight ratio of the tetraisopropyl titanate to the tetrabutyl phthalate is 50-80:50-20. An ester exchange reaction is performed in an esterification process and most of isopropyl nitrate is substituted by monooctyl esters when the reaction is finished, so that a high-purity product can be obtained.

The invention relates to a synthetic diesel oil, belonging to the diesel oil technology field, comprising 24% of synthetic fuel agent, 48% of synthetic mother liquor and 28% of synthetic additive. The synthetic fuel agent is prepared by mixing trimethylbenzene, indenes and styrene. The synthetic mother liquor is prepared by mixing chinoline, quinoline, indole, biphenyl, alkene and washing oil. The synthetic additive is prepared by mixing No.0 diesel oil, isopropyl nitrate, sodium hydroxide. The synthetic diesel oil has simple production process, easy raw material obtaining, low production cost, low cold filter plugging point of -19.2 DEG C, little harmful gas such as CO discharged during combustion, stable oil performance, no deterioration for long term storage.

The invention discloses an energy-saving and combustion-supporting automotive tail gas gasoline detergent and a preparation method thereof. The energy-saving and combustion-supporting automotive tailgas gasoline detergent is prepared from the following raw materials in parts by weight: 10 to 15 parts of methanol, 3 to 6 parts of ethyl acetate, 5 to 9 parts of cerium naphthenate, 2 to 10 parts ofpolyethylene polyamine, 8 to 15 parts of fatty alcohol, 6 to 16 parts of glycerol tristearate, 3 to 7 parts of isopropyl nitrate, 6 to 11 parts of diisopropyl ether, 2 to 5 parts of nano loaded type activated carbon, 7 to 23 parts of deionized water, 0.5 to 1 part of an antioxidant stabilizer, and 1 to 1.5 parts of N,N-dimethyl acetamide. The miscibility of the gasoline detergent and the gasolineis good, the preparation method is simple, stable combustion supporting can be achieved under the situation that a gasoline engine operates at low speed and low temperature or at high speed and high temperature, the power is improved, a baffled sense is avoided, the corrosivity is low, the loss is low for the engine, the adsorption degradation efficiency of sulfide, nitrogen oxide and inhalable particles produced by burning of gasoline is greatly improved, and the purity degree of the automotive tail gas is purified.

The invention provides an environment-friendly type diesel catalysis detersive for cleaning emission of diesel automobiles, which is prepared from cleaning and dispersing agent, anti-oxidant, alkyl nitrite or isopropyl nitrate and high grade plane kerosene through high-shearing mixing and emulsion process. The agent can improve combustion efficiency according to the combustion conditions.

The invention discloses an automobile exhaust cleaning agent and a preparation method thereof. The automobile exhaust cleaning agent comprises the following components in parts by weight: 80.00-90.00parts of methanol, 1.50-2.00 parts of isopropyl nitrate, 1.00-1.50 parts of oleic acid, 1.50-1.80 parts of higher aliphatic alcohol, 1.30-1.60 parts of propylene glycol, 1.30-1.80 parts of dodecanol,1.50-2.00 parts of xylene, 3.00-4.00 parts of polyetheramine, and 2.00-2.50 parts of PIBA. The automobile exhaust cleaning agent can clean an oil road, and can clean the carbon deposit from a combustion chamber, the carbon deposit is combusted during a gasoline combustion process, so that discharge is reduced, and the tail gas reaches a standard. The automobile exhaust cleaning agent has the advantages that raw materials are easily available, the preparation is simple, the production cost is low, the automobile exhaust cleaning agent can be added in gasoline for usage, can directly substitutethe gasoline for usage, and has good social and economic benefits.

The invention discloses anti-scaling compounded anti-freezing fluid for a locomotive. The anti-freezing fluid is prepared from the following ingredients in percentage by weight: 40-70% of glycerol, 0.05-1% of sodium metasilicate, 0.4-2.5% of sodium benzoate, 0.4-2.5% of calcium formate, 0.3-1.5% of fulvic acid, 0.5-3.6% of isopropyl nitrate, 10-15% of silicone, 0.1-0.5% of potassium permanganate, 1-8% of glycerine and the balance of deionized water. The anti-freezing fluid with good stability, disclosed by the invention, has the advantages that a system of a formula without phosphate radicals is adopted; in the formula, molybdate and organic acid cooperate with each other, jointly provide protection for metal and are assisted with sodium nitrate, so as to provide long-term durable metal corrosion resistance; in the formula, the application of a large volume of sebacic acid exerts a good addition effect on the corrosion resistance of the metal.

The invention relates to the technical field of automobile exhaust pollution control and in particular discloses an automobile exhaust cleaning agent. The automobile exhaust cleaning agent is preparedfrom ethyl propyl nitrate, N,N-dimethyl-acetamide, ethylene glycol monomethyl ether, diisopropyl ether, fatty alcohol, laurinol, high carbon number fatty alcohol, coarse polyhydric alcohols, glycerinpalm kernel fatty acid ester and glycerin aconitate according to a certain weight ratio. The automobile exhaust cleaning agent disclosed by the invention is readily available in raw materials, simplein preparation, low in production cost and capable of effectively purifying automobile exhaust, contributes to protecting the environment and reducing pollution and is suitable for wide popularization and application.

The invention discloses environmental-protection alcohol diesel, and belongs to the synthetic diesel technical field. The environmental-protection alcohol diesel is composed of the following components by the weight percentage: 35-50% of petrochemical diesel, 25-30% of modified biodiesel, 15-20% of ethanol, 10-15% of methanol, and 0.05-0.5% of an additive, wherein the additive includes an oil soluble agent, methyl tert-butyl ether, fatty alcohol polyoxyethylene ether, petroleum calcium sulfonate, isopropyl nitrate, sodium hydroxide and diesel. The environmental-protection alcohol diesel saves non-renewable petroleum resources, alleviates the pressure of diesel markets, reduces environmental pollution, effectively improves the diesel quality, has no side effect, and is stable in performance and sufficient in calorific value.

Disclosed is a method to store isopropyl nitrate, which store isopropyl nitrate and 4A molecular sieve together. Without any other special equipment, the 4A molecular sieve is used to be storage stabilizer of isopropyl nitrate, and it can be separated from the product, further mare, it can be regenerated and reused for many times, resulting in the storing period being prolonged from less than a week to more than half a year.

The invention provides a composite gasoline additive, comprising 70-85 parts of ethanol; 22-27 parts of brown humic acid; 8-10 parts of diisopropyl ether; 15-13 parts of isopropanol; 12-17 parts of methyl isobutyrate 8-10 parts of isooctane; 5-6 parts of polyisobutylamine; 7-8 parts of methyl ethyl ketone; 4-8 parts of di-n-butyl phosphite; 6-7 parts of hexamethylenetetramine; 5-6 parts of cyclohexyl glycidyl ether; 7-12 parts of cyclohexene; 4-8 parts of isopropyl nitrate; 5-6 parts of amyl biscyclohexyl ketone; 7-8 parts of fatty acid ethyl ester; 4-8 parts of hexyl alcohol; 2-6 parts of oleic acid; 5-6 parts of lanolin; 5-6 parts of oleic acid amide; 4-8 parts of p-xylene; 4-8 parts of tetrahydrofuran; share. The invention enhances fuel combustion efficiency and achieves the purpose of energy saving.

The invention provides an automobile exhaust cleaning agent and a preparation method thereof, and belongs to the technical field of automobile exhaust pollution control. The automobile exhaust cleaning agent is prepared from ethyl propyl nitrate, N,N-dimethylacetamide, ethylene glycol monomethyl ether, diisopropyl ether, fatty alcohol, lauryl alcohol, high-carbon-number fatty alcohol, polyhydric crude alcohol, glycerol palm-kernel fatty acid ester and decanoic acid glycerol according to a certain weight ratio. The automobile exhaust cleaning agent has the advantages of simple preparation and low production cost, can effectively purify exhaust gas emitted by automobiles, is beneficial to environment protection, reduces pollution, and is suitable for wide popularization and application.

The invention relates to the field of gasoline additives in the energy industry, in particular to a preparation method of a tail gas cleaning agent. The method comprises the following steps: S1, selecting raw materials; S2, mixing the raw materials of methanol, base oil, ethane, n-hexane, methyl tert-butyl ether, ethanol, 2,2-dimethylbutane, tert-butanol, n-propanol, 2-ethyl-1-ethanol, glycol, 1,3-dihydroxybutane, neopentyl glycol, 1,6-dihydroxyhexane, trimethylolpropane, pentaerythritol, diisopropyl ether, 2-diethoxy ethyl acetate, isopropyl nitrate, dimethyl ketone, ethyl malonate and diphenyl carbonate into a reaction kettle, and mixing and stirring all the components to form a blend; and S3, sequentially adding 102TB corrosion inhibitor and 107PT anti-swelling agent into the blend, andmixing and stirring all the components to obtain the gasoline additive. Compared with the prior art, the device is clean, environmentally friendly, sufficient in combustion, sufficient in fuel oil atomization and more sufficient in combustion, and carbon on the surface area of the carbon deposition cleaning valve is removed.

The invention relates to the technical field of safety disposal of nitrate energetic materials, and particularly discloses a method for rapidly disposing isopropyl nitrate and application of the method. The method comprises the following steps: performing mixing reaction on the isopropyl nitrate or an aqueous solution thereof and an excessive sodium sulfide solution, and adding a catalyst, namely, dodecyltrimethylammonium bromide, to catalyze reducing reaction of the isopropyl nitrate, wherein the molar weight of the added catalyst is 1 to 7 percent of the molar weight of the isopropyl nitrate. The method can be used for scrap disposal of isopropyl nitrate-containing arms and ammunition. According to the method, the isopropyl nitrate can be rapidly deenergized and decomposed, and the method is low in time consumption, high in removal rate and safety, simple in control condition and easy to operate.

The invention belongs to the technical field of safety disposal of nitric acid ester energetic materials, and more specifically discloses a rapid processing method of isopropyl nitrate, and applications thereof. The rapid processing method comprises following steps: isopropyl nitrate or an aqueous solution of isopropyl nitrate is mixed with an excess sodium sulfide solution for reaction; catalyst hexadecyl trimethyl ammonium bromide is added to catalyze reduction reaction of isopropyl nitrate, wherein the molar amount of the added catalyst accounts for 1 to 7% of that of isopropyl nitrate. The rapid processing method can be used for scrap disposition of arms and ammunition containing isopropyl nitrate, is capable of realizing rapid deenergization decomposition processing of isopropyl nitrate, and is short in time consuming, high in removing rate; control conditions are simple; operation is convenient; and safety is high.

The invention relates to the technical field of nitrate ester energy material safety processing, in particular to the technical field of treatment of wastewater containing energy materials, and particularly discloses a safe and efficient processing method of iso-propyl nitrate. The method includes the following steps that iso-propyl nitrate or an aqueous solution of iso-propyl nitrate is added into an excessive sodium sulfide aqueous solution with the concentration of 0.1-0.2 mol/L for reaction, the pH of the reaction solution is controlled to be 6-14, and the temperature is controlled to be 50-70 DEG C. By means of the method, iso-propyl nitrate and the aqueous solution of iso-propyl nitrate can be efficiently and safely processed so as to be decomposed, and the method has the advantages of being high in processing ability, high in efficiency and removal rate, easy to operate, and easy to implement.

The invention relates to a methanol gasoline composite additive, and a preparation method and application thereof. The methanol gasoline composite additive is prepared from the following raw materials in percentage by weight: 68 to 72 percent of animal oil, 0.5 to 1.0 percent of plant oil, 0.2 to 0.5 percent of alkylbenzene, 0.1 to 0.7 percent of monoethanolamine, 0.1 to 0.7 percent of diethanolameine, 0.1 to 0.6 percent of triethanolamine, 1.0 to 2.1 percent of isooctyl nitrate, 1.0 to 2.1 percent of isopropyl nitrate, 1.0 to 2.1 percent of ethyl nitrate, 1.0 to 2.1 percent of sodium hydroxide, 1.0 to 2.1 percent of potassium hydroxide and 18 to 22 percent of water. According to the preparation method, the raw materials are sequentially put into a mixing container according to the proportion, and are stirred at the same time; then, the mixing container is put into ultrasonic waves, and agitation is performed for 15 to 25 min; and the composite additive is obtained. The composite additive provided by the invention can be applied to M25 to M60; the corrosion of methanol gasoline on an automobile can be reduced; and the octane value, the blasting point, the combustion heat value, the oil product quality and the power of the methanol gasoline can be improved.