30 results about "Dicyclohexylamine nitrite" patented technology

The invention relates to a methanol gasoline for vehicles. The methanol gasoline is characterized in that the methanol gasoline is prepared by the following raw materials, by weight, 40-90 parts of gasoline, 60-10 parts of methanol, 0.5-8 parts of an assistant solvent, and 0.01-5 parts of a modifying agent, wherein the assistant solvent is prepared by mixing one or a plurality of materials selected from propanol, neopentyl glycol, pentaerythritol, isopropyl alcohol, tert-butyl alcohol, cerebral, diethyl ether, ethylene glycol, and oleic acid, the modifying agent is prepared from an alcohol solvent, a corrosion inhibitor, an anti-swelling agent, a phenol antioxidant, and a lubricant, the corrosion inhibitor is prepared by mixing one or a plurality of materials selected from dicyclohexylaminenitrite,102TB, triethylamine, and naphthenic acid, and the anti-swelling agent is prepared by mixing one or a plurality of materials selected from a 107PT anti-swelling agent, T102, and T115. The product of the present invention can be directly used on the vehicles adopting the gasoline as the fuel without change of the engines, and has characteristics of high octane number, good compatibility, strong low temperature separation resistance, full combustion, strong power performance, and the like.

The invention relates to a machinery seal vapor phase anti-rust oil comprising following ingredients in percentage by weight: 3-15 percent of barium dinonynalphthalene sulfonate, 3-15 percent of petroleum sodium sulfonate, 1-15 percent of dodecencylsuccinic acid, 0-5 percent of dicyclohexyl amine nitrite, 0-5 percent of ethanol and 5-88 percent of hydrocarbon solvent. A preparation method of the machinery seal vapor phase anti-rust oil comprises the following steps of (1) putting the 5-88 percent of hydrocarbon solvent in a mixing cylinder and heating to 45 DEG C; (2) putting the 3-15 percent of barium dinonynalphthalene sulfonate, the 3-15 percent of petroleum sodium sulfonate and the 1-15 percent of dodecencylsuccinic acid into the mixing cylinder in sequence and stirring for 1h; and (3) evenly mixing the 0-5 percent of dicyclohexyl amine nitrite and the 0-5 percent of ethanol, putting in the mixing cylinder and stirring for 1h to obtain the product. The invention can effectively prevent corrosion of chloride and sulfide, has good high-wet resistance, no toxicity and good heat stability and can be mixed with lubricating oil, hydraulic oil or punching oil after being diluted.

The invention discloses a galvanized layer chromium-free passivating agent and a preparation method thereof. The passivating agent comprises the following components: sodium hydrogen sulfate, sodium tripolyphosphate, sodium alkyl benzene sulfonate, ammonium acetate, alumina, starch, thiourea, dicyclohexylamine nitrite, methyl cellulose, methylparaben, ethylene glycol monostearate and deionized water. The preparation method includes: adding sodium hydrogen sulfate, sodium tripolyphosphate, sodium alkyl benzene sulfonate, ammonium acetate, and thiourea into the deionized water, stirring and mixing the materials evenly at room temperature to obtain a mixed solution 1; adding alumina, starch, dicyclohexylamine nitrite, methyl cellulose, methylparaben and ethylene glycol monostearate into ethanol absolute, subjecting ethanol to heating refluxing, and conducting filtering to obtain a solid mixture, and performing drying to obtain an intermediate 1; then adding the intermediate 1 into the mixed solution 1 obtained in step two, and conducting stirring mixing under a vacuum heating condition, thus obtaining the galvanized layer chromium-free passivating agent. The galvanized layer chromium-free passivating agent provided by the invention has excellent corrosion resistance.

The invention relates to a reinforcing steel bar inhibitor. The reinforcing steel bar inhibitor is prepared from the following components: 12 parts of sodium benzoate, 3 parts of sodium silicate, 3 parts of gluconic acid, 1 part of citric acid, 3 parts of thiourea, 6 parts of dicyclohexylaminenitrite, 8 parts of coal ash, 15 parts of nitrite, 4 parts of sodium hexametaphosphate, 7 parts of diethylenetriamine, 5 parts of thiourea, 2 parts of sodium benzoate and 2 parts of urotropin. The inhibitor provided by the invention is good in adaptability to cement, so that the performances of concrete can be improved properly; the permeation of a slow release medium into concrete is slowed down; meanwhile, a layer of compact chemical adsorption membrane can be formed on the surface of a reinforcing steel bar; a corrosion medium in a concrete pore solution and oxygen are insulated from being in direct contact with the reinforcing steel bar, so that the electrochemical corrosion cannot be carried out, thereby preventing the corrosion effect to the reinforcing steel bar.

The invention discloses a concrete waterproofing agent which is prepared from the following raw materials in parts by weight: 15-23 parts of hydrophobic fumed silica, 9-16 parts of superfine slag powder, 5-10 parts of sodium tall oil pitch sulfonate, 5-9 parts of dicyclohexylamine nitrite, 3-6 parts of octadecylamine, 7-9 parts of octyl dodecyl polyglucosides, 1-5 parts of 4-p-phenylphenol, 6-10 parts of water-based trihydroxymethylaminomethane-epoxy resin, 3-6 parts of mill wood lignin, 3-5 parts of gypsum, 1-5 parts of ethylene glycol, 5-10 parts of polyvinylpyrrolidone and 8-11 parts of silica-coated titanium dioxide. The concrete waterproofing agent disclosed by the invention has the beneficial effects that the concrete waterproofing agent has a good waterproofing effect and has good water-reducing and impervious effects.

The invention relates to a high performance lubricating grease additive, which is prepared from the following raw materials by weight: 8-10 parts of potassium dihydrogen phosphate, 3-9 parts of magnesium alkylbenzene sulfonate, 2.2-4.6 parts of sulfurized calcium alkyl phenolate, 7-10 parts of sodium dodecyl benzene sulfonate, 2-5 parts of zinc dialkyl dithiophosphate, 4-7 parts of oleic acid, 8-12 parts of polymethacrylate, 4-6 parts of boric acid ester, 11-16 parts of base oil, 1.5-4 parts of a solubilizing agent, 8-11 parts of activated carbon, 7-10 parts of isopropanol, 3.2-6.4 parts of dicyclohexylamine nitrite, and 8-13 parts of ethyl acrylate. The lubricating grease additive provided by the invention can improve the use performance of lubricating grease, prolongs the service time of lubricating grease, and is also non-toxic and harmless.

The invention belongs to the technical field of fuel and particularly relates to a synergistic emission reducing methanol fuel which is prepared from the following raw materials in parts by weight: 60-90 parts of methanol, 20-44 parts of gasoline, 1-7 parts of coco fatty acid diethanol amide, 0.5-2.3 parts of 2-ethyl-4-methylimidazole, 0.5-2.3 parts of amyl propionate, 0.4-2.2 parts of methyl sec-butyl ether, 0.2-1.4 parts of glycerin, 0.2-1.4 parts of a combustion improver, 0.1-1.3 parts of an antioxidant, 0.03-0.21 part of dicyclohexylaminenitrite and 0.02-0.2 part of hydroxyethylidene diphosphonic acid. The synergistic emission reducing methanol fuel provided by the invention has the functions of cleaning, resisting oxidation, improving combustion and preventing corrosion and explosion, realizes good combustion performance and sufficient combustion, and is synergistic, energy-saving and emission-reducing.

The stainless steel rust-preventing packaging paper is made up by uniformly spraying stainless steel rust-preventing agent on the surface of one side of wet paper base before which is fed into dryingcylinder on the production line of packaging paper, and its rust-preventing agent comprises ammonium citrate, benzoic acid, sodium nitrite, ammonium acetate, isopropanolamine, dicyclohexylamine nitrite, neckel and water.

The invention relates to a formula of anti-cracking adhesion mortar which is prepared by mixing raw materials including, by weight, 18-26 parts of hydrophobic fumed silica, 10-15 parts of calcium stearate, 6-12 parts of mineral slag micropowder, 4.5-6.5 parts of 2-phosphonobutane-1,2,4-tricarboxylic acid, 9-18 parts of zinc oxide powder, 20-30 parts of an AF-2 high-effective water reducing agent,5-10 parts of glass fibers, 10-15 parts of aluminum potassium sulfate, 5-10 parts of tall oil asphalt sodium sulfonate, 8-16 parts of polymethyltriethoxysilane, 3-5 parts of aluminum dihydrogen phosphate, 2.5-4.5 parts of dicyclohexylamine nitrite, 3-5 parts of sodium borate, and 4-7 parts of an additive. The waterproof adhesion mortar has good anti-freezing property, anti-carbonizing performanceand wear-resistance. Compared with the prior art, the waterproof adhesion mortar contains zinc oxide powder, so that during an initial setting step of the adhesion mortar, the zinc oxide is neutralized with water and acidic and alkaline substances and then gradually generates H2 and O2, so that the zinc oxide powder is gasified and discharged from the mortar and meanwhile takes out a part of hydration heat, thus reducing generation of temperature shrinkage cracks.

The invention belongs to the technical field of fuels and particularly relates to methanol fuel for a diesel engine, made from, by weight, 80-100 parts of methanol, 10-30 parts of diesel, 1-5 parts of 2-heptadecylimidazole, 0.1-0.6 part of 3-tert-butyl-4-hydroxyanisole, 0.02-0.08 part of 6-tert-butyl-2,4-dimethylphenol, 0.2-1.2 parts of petroleum sodium sulfonate, 0.02-0.08 part of fatty acid diethanol amide, 0.3-0.9 part of dicyclohexylamine nitrite, and 0.2-1.2 parts of a cetane improver. The methanol fuel for a diesel engine has good intersolubility and swelling property, has good corrosion resistance and high chloric value and provides significantly reduced exhaust emission.

The invention provides a production formula for methanol gasoline. The production formula is composed of a demulsifying agent, a solubilizer, an antioxidant, an anti-freezing agent, a stabilizer, a calorific value improver, a plasticizer and the like. The major technical formula of the methanol gasoline comprises the following components in percentage by weight: 50-80% of methanol, 20-50% of petrochemical gasoline, 10-20% of xylene, 0.05-0.3% of n-butyl alcohol, 0.5-2% of nitrobenzene, 0.05-0.2% of dicyclohexylaminenitrite, 0.2-0.4% of glyceryl triacetate, 0.005-0.03% of 1,2-dibromoethane, 0.05-0.3% of isopropanol, 2-5% of chlorobenzene, 10-20% of ethylbenzene, 0.05-0.2% of iso-butylamine and 0.002-0.05% of n-octane. A series application problems of the methanol gasoline are effectively solved by virtue of simple and scientific addition and an advanced re-proportioning production technology; the methanol gasoline does not layer and emulsify when the ratio of the methanol gasoline to water is 2%; the methanol gasoline is stable in properties and normal in cold start at minus 20 DEG C, also is strong in power and has no corrosion to each part of an engine; the raw materials of the methanol gasoline are just of industrial-level specifications so that the cost is greatly reduced; the production process of the methanol gasoline is simple; the methanol gasoline is applicable to various oil-consuming vehicles.

The invention relates to a stable fuel additive, which is prepared from the following raw materials in parts by weight: 6-11 parts of ethylene glycol methyl ether, 6-8 parts of isobutyl alcohol, 7-10 parts of a nanoparticle magnetic solution, 3-9 parts of sorbitan monooleate, 4-7 parts of normal propyl alcohol, 6-9 parts of dibutyl hydroxytoluene, 3-8 parts of dicyclohexylamine nitrite, 5-7 parts of n-heptanol, 2-6 parts of n-butyl alcohol, 2-5 parts of OP-15, 1-5 parts of a dispersing agent, 3-5 parts of methylsilicone oil and 3-7 parts of linoleic acid. The stable fuel additive provided by the invention has the beneficial effects of being stable in chemical property and not easy to go bad; meanwhile, the use ratio of the fuel is improved; the resource waste is reduced; the stable fuel additive has an excellent economic value.

The invention provides a gaseous phase rust-resisting material for rust-resisting seal of a tire bead steel wire. The rust-resisting material comprises a loading layer, a volatile layer, a permeation layer and a protective layer; and the invention further provides a preparation method of the gaseous phase rust-resisting material for the rust-resisting seal of the tire bead steel wire. The method comprises a preparation step of the volatile layer; the volatile layer is a non-woven fabric layer; non-woven fabric is subjected to coating processing; an antirust agent solution is adopted as a coating agent; and the antirust agent solution is prepared from the following raw materials: dicyclohexylamine nitrite, polyethylene glycol and distilled water. According to a gaseous phase sustained-release material prepared by the invention, rust-resisting material damage caused in the process of use due to carrying the tire bead steel wire can be reduced by a large margin; the completeness of the rust-resisting material is improved to the maximum extent; the rust-resisting capacity and rust-resisting time are improved; and the acid and alkali resistant capacity, the anti-aging capacity and the heat resistant capability are improved.

The invention discloses a technical formula of an additive for producing high-performance methanol gasoline. The technical formula of the additive for producing the high-performance methanol gasolinemainly comprises the following components by weight percentage: 20-30 percent of isobutanol, 0.1-2.5 percent of 2,4-di-tert-butyl-4 cresol, 25-40 percent of isoamylol, 8-16 percent of dioctyl phthalate, 3-10 percent of dioctanol, 0.05-0.1 percent of methylcyclopentadienyl manganese tricarbonyl, 1-3 percent of dicyclohexylammonium nitrite, 0.5-1.5 percent of glyceryl triacetate and 0.5-3 percent of mixture of aldehyde condensation compounds. The methanol gasoline prepared by the additive has the advantages that methanol and gasoline can be stably and mutually soluble, rubber and metal parts of an automobile are protected; cold start of the automobile is easily realized, the combustion of the gasoline is sufficient and the power of the automobile is enhanced.

The invention belongs to the technical field of fuel preparation and in particular relates to a method for reducing a cold filter plugging point of bio-fuel. The preparation method comprises the following steps: 1) taking fatty acid methyl ester and adding isopropyl alcohol which accounts for 5 to 10 percent of the weight of the fatty acid methyl ester, glyceryl triacetate which accounts for 0.3 to 0.8 percent of the weight of the fatty acid methyl ester and dicyclohexylaminenitrite which accounts for 0.2 to 1.4 percent of the weight of the fatty acid methyl ester respectively; 2) putting allthe raw materials into a high-speed mixing machine and stirring for 18 to 26min at 50 to 60 DEG C at a high speed; 3) carrying out ultrasonic treatment for 15 to 25min under the frequency of 75 to 95kHz. The bio-fuel prepared by the method has a relatively low cold filter plugging point and can be used for replacing diesel oil; an engine does not need to be replaced.

The invention relates to a novel pickling additive and a preparation method thereof. The pickling additive comprises the following components by weight ratio: 1-5% of fatty alcohol polyoxyethylene ether, 3-7% of sodium lauryl sulfate, Disodium edetate 1‑3%, simethicone 3‑7%, fumed silica 0.5‑3%, sodium chromate 2‑5%, thiourea 6‑10%, sodium tripolyphosphate (Na5P3O10) 7‑15%, dicyclohexylamine nitrite 5‑10%, deionized water 35‑70%. The pickling additive of the present invention can quickly remove the scale on the steel surface, form an adsorption protective film on the steel surface, effectively suppress the escape of hydrogen chloride gas (acid mist) in the pickling process, and improve the utilization rate of hydrochloric acid; Operating environment, reducing air pollution, has good environmental benefits, and helps enterprises to achieve clean production.