30 results about "Dicyclohexylamine nitrite" patented technology

The invention discloses a vapor-phase corrosion inhibitor and a preparation method thereof. The vapor-phase corrosion inhibitor comprises the following components in percentage by mass: 8-15% of alkynyl amine, 8-15% of organic solvent and the balance of water. The preparation method comprises the following steps: uniformly mixing the alkynyl amine and water according to the formula proportion to obtain an alkynyl amine water solution; and adding the organic solvent into the alkynyl amine water solution according to the formula proportion, and uniformly mixing to obtain the vapor-phase corrosion inhibitor. The vapor-phase corrosion inhibitor has higher saturated vapor pressure, has obvious corrosion inhibition effect on carbon steel atmospheric corrosion, and has enduring protection action. Compared with the bicyclohexylamine nitrite, cyclohexylamine carbonate and other vapor-phase corrosion inhibitors, the vapor-phase corrosion inhibitor disclosed by the invention has smaller toxic and side effects and more obvious corrosion inhibition effect. The vapor-phase corrosion inhibitor disclosed by the invention has the advantages of accessible raw materials, simple preparation technique and small toxic and side effects, can effectively lower the corrosion rate of the carbon steel atmospheric corrosion, and can prolong the service life of various steel apparatuses and facilities.

The invention discloses a rapidly solidified metal passivator and a preparation method thereof. The rapidly solidified metal passivator comprises the following raw materials in parts by weight: 20-30 parts of glucose, 10 to 40 parts of calcium chloride, 40 to 50 parts of boron anhydride, 40 to 50 parts of titanium dioxide, 20 to 30 parts of silicon dioxide, 10 to 20 parts of nickel chloride, 20 to 60 parts of silver nitrate, 10 to 20 parts of aluminium phosphate, 10 to 50 parts of sodium phosphate, 50 to 60 parts of dicyclohexylaminenitrite, 10 to 20 parts of methylcellulose, 20 to 30 parts of methylparaben, 10 to 60 parts of ethylene glycol monostearate, 50 to 80 parts of ammonium dihydrogen phosphate, 10 to 20 parts of molybdate and 50 to 60 parts of potassium sorbate. The preparation method comprises the steps of sequentially adding glucose, calcium chloride, boron anhydride, titanium dioxide, silicon dioxide and nickel chloride into silver nitrate; increasing the temperature for reaction; after cooling, adding the remaining components; and filtering to remove impurities. The rapidly solidified metal passivator can be quickly solidified, and the utilization is convenient.

The invention provides an efficient road deicing agent and a preparation method thereof. The electrochemical comprises, by weight, 0.1-1 part of polyethylene oxide, 0.2-0.3 part of potassium acetate,100-150 parts of a plant ash lixivium, 2-5 parts of an emulgator, 0.3-0.5 part of sodium citrate, 0.02-0.05 part of mercapto benzothiazole, 0.01-0.03 part of sodium polyaspartate, 0.2-0.4 part of sodium tetraborate, 0.4-0.6 part of sodium lactate, 0.3-0.6 part of dicyclohexylaminenitrite and 3-5 parts of diatom ooze dry powder. The deicing agent is prepared through dissolution, stirring, heating,repeated freeze thawing and other methods, with sylvite as a main deicing component, the deicing agent does not contain chloridion for corroding metal, efficient deicing is achieved, corrosion of thedeicing agent on the metal and pavement and damage of water containing the deicing agent after snow melting to vegetation can also be effectively prevented, and the deicing agent is an energy-saving,environment-friendly and efficient deicing agent.

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 drying cylinder 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 discloses a preparation method and application of an air-permeable and waterproof packaging material. The method comprises the following steps: heating ethylene-methylacrylate, polyisocyanate, maleic anhydride grafted polypropylene, poly(butylene adipate-co-terephthalate) and polyethylene glycol in a water bath; centrifuging and washing, and drying to obtain a first mixture; then after ultrasonically dispersing montmorillonite, epichlorohydrin resin and de-ionized water, adding dicyclohexylaminenitrite and methyl ethyl ketoxime; reacting and washing to prepare a second mixture; finally, adding the first mixture and the second mixture into a plasticizer, hydrogenated castor oil and dimethicone and mixing; extruding a mixture through a double-screw extruder, and carrying out die pressing and molding to obtain the finished-product packaging material. The air-permeable and waterproof packaging material prepared by the preparation method has a good ventilation effect and a strong waterproof property and has a good application prospect in medical equipment product packaging.

The invention discloses a stretch-resistant composite packaging material and a preparation method thereof. The stretch-resistant composite packaging material is prepared by using low-density polyethylene, sodium carboxymethyl starch and butyl methacrylate as the main components and adding propylene glycol alginate, a hexamethoxymethyl melamine resin, microcrystalline cellulose, beta-cyclodextrin, dicyclohexylamine nitrite, anilinomethyl triethoxy silane, isoborneol acrylate, rosin sodium soap, activated carbon, zinc stearate, nano titanium dioxide, a plasticizer and a coupling agent. The preparation method comprises the following steps: thermostatic water bath treatment, centrifugal separation, vacuum drying, grinding refinement, microwave treatment, compounding, plasticizing, melt extrusion, hot pressing and the like. The composite packaging material has the advantages of favorable stretch resistance, favorable flexing resistance and low flammability, can satisfy the industrial requirements, and has favorable application prospects.

The invention discloses an emulsion type diesel additive, which is prepared from the following raw materials in parts by weight: 9 to 15 parts of ethyl acrylate, 6 to 10 parts of dicycloxylamine nitrite, 3 to 6 parts of methyl acrylate, 5 to 9 parts of dimethylacetamide, 2 to 6 parts of barium hydroxide, 3 to 5 parts of animal oleic acid, 6 to 8 parts of isooctyl nitrate, 3 to 7 parts of a purification dispersant, 3 to 8 parts of succinimide, 1 to 5 parts of oleic acid, 4 to 10 parts of acetamide, 1 to 3 parts of ethanol and 2 to 5 parts of isopropyl alcohol. The emulsion type diesel additive has the benefits that the power performance can be well improved, the utilization rate of a fuel can be increased, the emission of waste can be reduced, and the environment is protected.

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 discloses a gas phase corrosion inhibitor and a preparation method thereof. The vapor phase corrosion inhibitor comprises 8% to 15% of alkyne amine and 8% to 15% of organic solvent according to mass percentage, and the balance is water. Its preparation method comprises the following steps: first, uniformly mix the alkyne amine and water in the formula ratio to obtain an aqueous solution of the alkyne amine; then, add an organic solvent in the formula ratio to the aqueous solution of the alkyne amine and mix evenly to obtain the gas phase corrosion inhibitor agent. The gas-phase corrosion inhibitor has a high saturated vapor pressure, has a significant corrosion inhibition effect on atmospheric corrosion of carbon steel, and has a long-lasting protective effect. At the same time, compared with gas-phase corrosion inhibitors such as dicyclohexylamine nitrite and cyclohexylamine carbonate, the gas-phase corrosion inhibitor provided by the invention has less toxic and side effects and more significant corrosion inhibition effect. The gas-phase corrosion inhibitor provided by the invention has easy-to-obtain raw materials, simple preparation process, and less toxic and side effects, can effectively reduce the corrosion rate of atmospheric corrosion of carbon steel, and prolong the service life of various iron and steel instruments and equipment.

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 relates to an anti-cracking bonding mortar for wallboard connection. The anti-cracking bonding mortar is characterized by being prepared through mixing of the following raw materials byweight: 18-26 parts of hydrophobic fumed silica, 10-15 parts of zeolite powder, 6-12 parts of superfine slag powder, 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 type superplasticizer, 5-10 parts of lotus leaf element, 10-15 parts of aluminum potassium sulfate, 5-10 parts of tall oil-asphalt sodium sulfonate, 8-16 parts of polypropylene glycol fiber, 3-5 parts of sodium bentonite, 2.5-4.5 parts of dicyclohexylamine nitrite, 3-5 parts of ethoxylated lanolin, and 4-7 parts of an assistant. The anti-cracking bonding mortarprovided by the invention has frost resistance, carbonization resistance and wear resistance superior to other cement. Compared with the existing formula, the formula adopted by the invention is addedwith zinc oxide powder, in the initial setting process, the bonding mortar neutralizes with water, acidic and alkaline substances, hydrogen and oxygen are gradually separated and are discharged fromthe bonding mortar in a gas form, at the same time part of hydration heat is taken away, thus reducing temperature shrinkage cracks.

The invention provides an efficient road deicing agent and a preparation method thereof. The electrochemical comprises, by weight, 0.1-1 part of polyethylene oxide, 0.2-0.3 part of potassium acetate,100-150 parts of a plant ash lixivium, 2-5 parts of an emulgator, 0.3-0.5 part of sodium citrate, 0.02-0.05 part of mercapto benzothiazole, 0.01-0.03 part of sodium polyaspartate, 0.2-0.4 part of sodium tetraborate, 0.4-0.6 part of sodium lactate, 0.3-0.6 part of dicyclohexylaminenitrite and 3-5 parts of diatom ooze dry powder. The deicing agent is prepared through dissolution, stirring, heating,repeated freeze thawing and other methods, with sylvite as a main deicing component, the deicing agent does not contain chloridion for corroding metal, efficient deicing is achieved, corrosion of thedeicing agent on the metal and pavement and damage of water containing the deicing agent after snow melting to vegetation can also be effectively prevented, and the deicing agent is an energy-saving,environment-friendly and efficient deicing agent.

The invention relates to a steel bar corrosion inhibitor which is composed of a compaction component and a corrosion inhibition component, wherein the compaction component is silicate mineral which accounts for 0.5-1.0 wt% of the cementing material in concrete; and the corrosion inhibition component is composed of 1-amino-8-naphthyl-3,6-disulfonic acid monosodium salt which accounts for 0.10-0.30 wt% of the cementing material in the concrete, thiocarbamide which accounts for 0.15-0.30 wt% of the cementing material in the concrete, nitrto bicyclohexylamine which accounts for 0.25-0.40 wt% of the cementing material in the concrete, and fly ash which accounts for 1.25-1.75 wt% of the cementing material in the concrete. The corrosion inhibitor has favorable adaptability with cement, can properly improve the properties of the concrete and decelerate the permeation of the corrosive medium into the concrete, and forms a compact chemical adsorption film on the surface of the steel bar to prevent the corrosive medium and oxygen in the concrete hole solution from directly contacting the steel bar, thereby preventing electrochemical corrosion and further preventing the corrosion effect on the steel bar.

The invention discloses a compound corrosion inhibitor suitable for a corrosive medium in a gas phase region of a storage tank and a preparation method of the compound corrosion inhibitor, and relates to the field of corrosion and protection of the storage tank, the compound corrosion inhibitor is composed of glycine, dicyclohexylamine nitrite, carboxylate and glucose, the mass fraction of the amino acetic acid is 10%-75%, the mass fraction of the dicyclohexylamine nitrite is 10%-55%, the mass fraction of the carboxylate is 2%-6%, and the mass fraction of the glucose is 5%-10%; the compound corrosion inhibitor is especially suitable for a neutral or acidic corrosive medium, and can effectively inhibit the corrosion phenomenon of carbon steel in the neutral or acidic medium; according to the compound corrosion inhibitor, through a corrosion inhibitor compounding and synergistic method, the synergistic effect of all the components is fully exerted, and then a good corrosion inhibition effect is achieved.