68 results about "Isopropyl nitrate" patented technology

The invention relates to a liquid fuel, and particularly a liquid carbonaceous fuel of the mixture of hydrocarbons and alcohol ether. The alcohol ether gasoline used in new energy vehicles comprises 25 to 85 percent of gasoline constituents and 15 to 75 percent of alcohol ether-major other chemical raw materials by weight percentage, wherein the components of the alcohol ether-major other chemical raw materials and the weight proportions thereof in the alcohol ether gasoline used in new energy vehicles are as follows: industrial methanol: 10 to 60 percent, n-hexane: 0 to 3 percent, isopropyl chloride: 0 to 1 percent, trichloroethylene: 0 to 1 percent, epichlorohydrin: 0.2 to 3 percent, bromoethanol: 0.2 to 2 percent, isodibutyl ether: 0.5 to 2 percent, ethylene glycol monobutyl ether: 0 to 1 percent, lauric acid : 0.4 to 2 percent, methyl chloroacetate: 0 to 4 percent, isopropyl nitrate: 0.2 to 4 percent, trimethyl phosphate: 0 to 3 percent, nitromethane: 0.1 to 1 percent, nitroethane: 0 to 1 percent, nitroguanidine: 0 to 3 percent, cyclopentadiene: 0 to 4 percent, and n-butylamine: 0 to 1 percent.

The invention discloses a lab high-temperature aging experiment system for gel state composite fuel, comprising a sealing tank, an opening type high-temperature aging system, and an optical fiber grid sensing system. The gel state composite fuel is placed in a sealing tank, a sensor of a fiber bragg grating is vertically embedded in the sample; an optical fiber end is connected with a demodulator, and the demodulator is connected with an industrial personal computer. The sealing tank is placed in the opening type high-temperature aging system to perform the aging test; the sensor collects the sample temperature and strain data in real time and draws up a monitoring curve, thus the temperature and strain change of the sample in the aging test can be observed. The system eliminates the explosive hidden trouble caused by heating and volatilizing isopropyl nitrate to air, and guarantees the safety of the thermal aging test of the el state composite fuel. The system monitors the temperature and strain change of the el state composite fuel aging sample in real time for the first time, and solves the problem that the sample information cannot be acquired timely for explosives and powders are under a 'black box' model in aging test. The invention is further used for the estimation of service life of the gel state composite fuel, and so on.

The invention is about the high clearing methanol compound petrol which is composed of the methanol, the petrol, the acetone, the isopropyl ether, the isopropanol, the isoamylol, the tert-butyl alcohol and the synthetic addition agent. The addition agent is modulated by the ZnO, the Na2O2, the ferrum naphthenate and the isopropyl nitrate. The compound petrol can solve the problem of the corrosivity to the red copper and the swelling to the rubber. It can be mixed with the normal petrol arbitrarily and not need to change the structure of the engine, also it can remove the carbon and the colloid of the engine. The cost of the technique is low and the operability is high.

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 liquid ecological gas. A fuel namely the liquid ecological gas is prepared from the following components in percentage by mass: 15-25% of glycerol, 1-5.5% of polyacrylic ester, 17.5-23% of nitrocellulose, 23-43% of octanol, 6.5-14% of alkylbenzene sulfonate, 1-10% of polyisobutene, 0.5-4% of isopropyl nitrate, 2-7% of succinate imide and 1.5-7% of sodium hydroxide. The liquid ecological gas disclosed by the invention is high in combustion heat value, does not have smoke, toxicity and residues in a combustion process, is strong in environment friendliness and high in safety, and ensures that the problems that existing liquefied petroleum gas is insufficient in combustion and can bring potential hazards can be solved; the liquid ecological gas is simple in preparation method, does not need severe pressure or temperature conditions in a preparation process, is low in production cost, ensures that a finished product is pressure-free liquid, can be used for performing pressure-free transportation and storage, and ensures that the potential safety hazards of liquefied petroleum gas explosion caused by storing, transporting and using the liquefied petroleum gas under pressure conditions can be completely solved; and the liquid ecological gas can be transformed into a gas state from a liquid state by using an existing gasification device, and thus a current situation that the liquefied petroleum gas is in short supply can be alleviated.

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 provides an acne cream which is composed of kieselguhr, kaolin, activated carbon, glycerol monostearate, cetanol lactate, stearic acid, lanolin-isopropyl nitrate, propyl p-hydroxybenzoate, propylene glycol, deionized water, alcohol, almond meal and chitin. The acne cream has the advantages of obvious drug effect, no side effect, abundant raw material resource and low production cost.

The invention relates to a high-efficiency fuel additive. The high-efficiency fuel additive is prepared from the following components in parts by mass: 11 to 19 parts of biomass alcohol, 6 to 15 partsof normal octane, 8 to 10 parts of benzotriazole, 10 to 14 parts of butyl acetate, 9 to 11 parts of isopropyl nitrate, 4 to 16 parts of ethylene glycol saturated amide, 3 to 5 parts of ethylene glycol ethyl ether, 15 to 20 parts of methyl tert-butyl ether and 40 to 50 parts of absolute ethyl alcohol. The high-efficiency fuel additive disclosed by the invention has an effective chemical action forcleaning an integral fuel system, is suitable for a novel direct injection fuel system and can be used in engines with any types such as gasoline and diesel oil for removing precipitates from a combustion chamber and a gas inlet valve; and by only needing to pour the high-efficiency fuel additive in a fuel tank, halting is effectively prevented, the combustion efficiency and horsepower of the fuel are improved, and emission is reduced.

The invention provides a methanol gasoline additive, comprising the raw materials of the following weight components: 20-33 parts of 2,6-di-tert-butyl-p-cresol; 30-35 parts of fatty ether; 5-6 parts of n-octanol; 10‑11 parts of propanol; 12‑17 parts of methyl isobutyrate; 6‑7 parts of isooctane; 5‑6 parts of polyisobutylamine; 7‑8 parts of methyl ethyl ketone; 4 parts of di-n-butyl phosphite ‑8 parts; 6‑7 parts of hexamethylenetetramine; 5‑6 parts of cyclohexyl glycidyl ether; 4‑8 parts of cyclohexene; 4‑8 parts of isopropyl nitrate; 6 parts; 7-8 parts of fatty acid ethyl ester; 4-8 parts of 2-ethylhexanol; 2-6 parts of oleic acid; 5-6 parts of beeswax; 5-6 parts of oleic acid amide; 4-8 parts of p-xylene 4-8 parts of tetrahydrofuran; 5-7 parts of cerium naphthenate; 4-9 parts of acetylacetone. The invention can reduce the pollution to the environment and reduce the generation of smog.

The invention relates to a liquid fuel, and particularly a liquid carbonaceous fuel of the mixture of hydrocarbons and alcohol ether. The alcohol ether gasoline used in new energy vehicles comprises 25 to 85 percent of gasoline constituents and 15 to 75 percent of alcohol ether-major other chemical raw materials by weight percentage, wherein the components of the alcohol ether-major other chemical raw materials and the weight proportions thereof in the alcohol ether gasoline used in new energy vehicles are as follows: industrial methanol: 10 to 60 percent, n-hexane: 0 to 3 percent, isopropyl chloride: 0 to 1 percent, trichloroethylene: 0 to 1 percent, epichlorohydrin: 0 to 3 percent, bromoethanol: 0 to 2 percent, isodibutyl ether: 0 to 2 percent, ethylene glycol monobutyl ether: 0 to 1 percent, lauric acid : 0 to 2 percent, methyl chloroacetate: 0 to 4 percent, isopropyl nitrate: 0 to 4 percent, trimethyl phosphate: 0 to 3 percent, nitromethane: 0 to 1 percent, nitroethane: 0 to 1 percent, nitroguanidine: 0 to 3 percent, cyclopentadiene: 0 to 4 percent, and n-butylamine: 0 to 1 percent.

The invention discloses a method for hydrolyzing isopropyl nitrate, wherein the method includes steps of filling isopropyl nitrate and water solution of sodium hydroxide or potassium hydroxide in a high-pressure reaction kettle; raising temperature to 140-160 DEG C, controlling pressure to 0.8-1.8 MPa, and then reacting for 20-40 min. Compared with the prior art, the method applies a few amount of low-price water solution of sodium hydroxide or potassium hydroxide to hydrolyze the isopropyl nitrate, thus the isopropyl alcohol is generated; the isopropyl nitrate is recycled through a very simple method; method is simple in experimental condition, easy to operate, short in time waste; the ester removal rate is up to over 99%, and the isopropyl alcohol yield is up to 70%.