31 results about "Hexadecyl sulfonate" patented technology

The invention discloses a preparation method of battery-grade iron phosphate with a low sulfur content. The preparation method comprises the following steps: S1, adding a ferric sulfate solution intoa phosphate solution, heating the mixed solution under stirring, carrying out synthetic reaction, carrying out filter pressing on the reaction slurry when the reaction slurry becomes pure white, and collecting the filter cake; S2, dispersing the obtained filter cake into water, heating and maintaining the temperature to obtain phosphoric acid slurry; and S3, washing, carrying out filter pressing,removing water on the surface, and calcining to obtain an iron phosphate finished product. Compared with a desulfurization technology in the prior art, no surfactant is needed, use of emulsifiers suchas sodium hexadecyl sulfonate and sodium stearate is avoided, the pressure of environment-friendly treatment is greatly relieved, the technical problem that the sulfur content is difficult to controlin an existing iron phosphate preparation technology is solved, the washing water consumption in the washing process can be reduced, and the load of wastewater treatment is reduced.

The invention discloses a phosphosilicate type rare earth ore flotation collector and a preparation method and an application thereof. The phosphosilicate type rare earth ore flotation collector is prepared from the following materials according to the mass ratio: 5 to 15 parts of octyl ether propyl-a-amino-1,1-diphosphonic acid, 60 to 80 parts of dist coconut fatty acid, 5 to 10 parts of hexadecyl sulfonate and 1 to 3 parts of Tween-60. The phosphosilicate type rare earth ore flotation collector has the advantages of high collecting capability, high concentrate recovery rate, low production cost, less consumption and good separation effect when the phosphosilicate type rare earth ore flotation collector is applied to the floatation of phosphosilicate type rare earth ore or xenotime.

The invention discloses a waste feather regenerated pure keratin fiber and a preparation method thereof. The preparation method of the waste feather regenerated pure keratin fiber comprises the stepsthat performing high-temperature flash explosion treatment on waste feathers and then performing treatment with urea to obtain feather keratin; dissolving the feather keratin, and adding an antibacterial agent while dissolving; adding sodium hexadecyl sulfonate, performing aging, and heating to obtain a spinning solution; and preparing the regenerated keratin fibers by using the spinning solution.The waste feather keratin with excellent molecular weight and yield is obtained by adopting a high-temperature flash explosion and low-concentration urea synergistic treatment method, the antibacterial regenerated keratin fibers with high additional values are developed on the basis, a new solvent system of sodium carbonate, sodium bicarbonate and hexadecyl sodium sulfonate is developed, and thespinnability of a keratin solution is improved.

The invention discloses a durable environment-friendly pressure cooker seal ring and a preparation process thereof. The durable environment-friendly pressure cooker seal ring comprises, by weight parts, 30-50 parts of rubber, 20-40 parts of resin, 10-30 parts of modified diatomite, 5-25 parts of highly anti-abrading carbon black, 5-15 parts of N-(cyclohexylthio)phthalimide, 4-12 parts of vinyl silicone oil, 4-12 parts of fatty acid, 1-10 parts of calcium hexadecyl sulfonate, 2-10 parts of butadiene, 1-10 parts of acrylonitrile, 1-10 parts of vulcanizing agent and 1-10 parts of anti-aging agent. The preparation process comprises the steps of first respectively grinding the modified diatomite and the highly anti-abrading carbon black for standby application, cutting the rubber into small pieces and placing the rubber in an internal mixer to perform rubber mixing, adding the resin and the modified diatomite and the like to perform mixing for 3-5 min, adding the vinyl silicone oil and the highly anti-abrading carbon black for mixing, and finally checking trimming deflashing through two-time vulcanization. The pressure cooker seal ring is high in thermal stability, durable, simple to prepare and low in cost.

The invention discloses quinoa protein liquid for fiber compounding and a preparation method of quinoa protein fibers, and solves the technical problems that existing quinoa protein extraction and modification methods are not suitable for being combined with regenerated cellulose fibers and does not have a quinoa protein fiber composite material. The method comprises the following steps: modifying quinoa protein liquid by adopting sodium hexadecyl sulfonate and trimethylolpropane trimethacrylate in sequence to obtain modified quinoa protein liquid. The extracted quinoa protein is suitable for being compounded with cellulose fibers in terms of content and purity, and the obtained quinoa protein composite fibers have the advantages of being high in protein content, high in breaking strength and the like.

The invention discloses a using method of a sour crude oil emulsion breaker. The problem that the ideal emulsion breaking effect cannot be achieved even when an existing emulsion breaker using amount is large is solved. The method comprises the steps that 1, a crude oil composite emulsion breaker is prepared, wherein the crude oil composite emulsion breaker is prepared from 48-52 wt% of polyoxyethylene polypropylene oxide block polyether, 0.8-1.2 wt% of sodium hexadecyl sulfonate, 5-8 wt% of d-Limonene, 10-15 wt% of C2-C6 carboxylic acid, and the balance water; 2, the crude oil composite emulsion breaker is added into crude oil according to the addition amount of 5-10 ppm. The method has the advantages of lowering the consumption amount and effectively improving the dehydration effect.

The invention provides a nano silver coating reaction kettle for synthesizing an artificial cell membrane. The inner wall of the reaction kettle is coated with a nano silver coating, and the nano silver coating is formed by a method of spraying ethylene diamine coordinated silver nitrate on the surface of the reaction kettle. The method comprises the following steps: (1) spraying a mixed solutionof silver nitrate and ethylene diamine on the surface of the reaction kettle by using a high-pressure atomization releaser; (2) spraying a mixed solution of boric acid and sodium borohydride on the surface of the reaction kettle by using the high-pressure atomization releaser; (3) spraying an acetaldehyde solution on the surface of a silver mirror for carrying out a redox reaction; (4) carrying out stabilization treatment on the surface of the silver mirror by adopting a stabilizing agent consisting of a mixed solution of sodium hexadecyl sulfonate and ammonia water, and carrying out washing and drying, so that the nano silver coating reaction kettle is prepared. The reaction kettle provided by the invention is capable of inhibiting the breeding of bacteria by itself, has a good sterilization effect on a solution with easily bred bacteria in the reaction kettle, is capable of broad-spectrum sterilization, has a long-acting sterilization effect, and has a wide application prospect in the fields of biological medicines, cosmetics, food production and the like.

The invention discloses an infrared barrier composition, and the composition is prepared from an inorganic chlorinated mixture, a solvent and a dispersing agent, wherein the inorganic chlorinated mixture comprises the following components in percentage by mass: 20-60% of tungsten tetrachloride, 30-50% of titanium tetrachloride and 10-30% of tin tetrachloride; the mass ratio of the solvent to the inorganic chlorination mixture is 1: 2; the addition amount of the dispersing agent is 1-3wt% of the weight percentage of the inorganic chlorinated mixture; the solvent is absolute ethyl alcohol, propyl alcohol, isopropanol or n-butyl alcohol, and the dispersing agent is sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, sodium hexadecyl sulfonate or sodium hexadecyl benzene sulfonate. The composition can be widely applied to the fields of heat insulation films, coatings, printing ink, glass laminated films and the like. In addition, the invention also discloses a preparation method of the infrared barrier composition.

The invention discloses a method for treating sewage by using a biological flocculant. The method comprises the following steps: A, preparing the biological flocculant, mixing 25-35 parts of polyferric sulfate, 3-5 parts of sodium silicate and 10-15 parts of chitosan to prepare a component A, and mixing 40-50 parts of corncob powder, 10-15 parts of activated carbon particles, 20-30 parts of walnut shell powder, 5-10 parts of potato starch and 3-5 parts of sodium hexadecyl sulfonate to obtain a component B; B, adding the component A is into sewage to be treated, wherein the adding amount of the component A is 0.1-0.2 kg/ton, conducting standing after sufficient stirring, removing settled matters and then taking a supernatant; and C, adding the component B into the supernatant obtained in the step B, wherein the adding amount of the component B is 0.1-0.4 kg/ton, and after full stirring, filtering a water body by using a filter press to prepare a mud cake. According to the invention, defects in the prior art can be overcome, and the comprehensive flocculation efficiency of the biological flocculant is improved.

The invention belongs to the technical field of oilfield chemical products, and particularly relates to a novel foaming agent for fracture acidizing fluid. The novel foaming agent comprises the following components in percentage by weight: 45-56% of sodium tetradecyl sulfonate and sodium hexadecyl sulfonate, 32-43% of octylphenol polyoxyethylene ether and nonylphenol polyoxyethylene ether, 8-18% of filth remover, 3-15% of shower gel and the balance of water. The novel foaming agent is prepared sequentially in proportion at normal temperature and atmospheric pressure, and is free from pollution of three wastes, low in cost, easily bought raw materials, simple in technology, and convenient to use. The novel foaming agent can be added into the fracture acidizing fluid, and has excellent foaming effect. According to the novel foaming agent, the main construction problem of well temperature (140DEG C below) in the oilfield acidizing fracture transformation can be solved.

The invention discloses a preparation method of a mica collecting agent and belongs to the technical field of mineral processing engineering. The preparation method of the mica collecting agent includes that firstly, a dodecylamine or octadecylamine solution is mixed with a sodium dodecyl sulfonate or sodium hexadecyl sulfonate solution, and stirring is performed; a mixed solution is subjected to centrifuging separation; a precipitate obtained through centrifuging is subjected to vacuum low temperature drying; and obtained solid dried matter is the mica collecting agent. The mica collecting agent is mainly used for floatation of micro fine mica and has the beneficial effects of being high in converting rate, stable in performance and small in using amount.

The invention discloses a high-elasticity rubber ring convenient for secondary forming. The high-elasticity rubber ring comprises an upper half part and a lower half part which are formed through mutual pressure casting; reinforcing ribs are arranged between the upper half part and the lower half part; one or more extending ribs are annularly distributed on the lower surface of the upper half part; and limiting grooves matched with the extending ribs are formed in the upper surface of the lower half part. The upper half part is prepared from the following raw materials in parts by weight: 120-125 parts of ethylene propylene diene monomer, 50-60 parts of acrylonitrile, 10-15 parts of carbon black, 15-20 parts of recycled rubber ring powder, 3-5 parts of fatty acid, 3-5 parts of a plasticizing softener, and 8-10 parts of an anti-aging agent. The lower half part is prepared from the following raw materials in parts by weight: 20-30 parts of chloroprene rubber, 30-40 parts of recycled rubber ring powder, 12-13 parts of sodium hexadecyl sulfonate, 8-15 parts of calcium hexadecyl sulfonate, 15-24 parts of cyclohexylthiophthalimide, 3-5 parts of silicon chloride; and 11-15 parts of a carbon black filler. The overall strength and elasticity are improved.

The invention provides a reverse osmosis membrane scale inhibitor which comprises the following raw materials: benzalkonium chloride, 2-Hydroxyphosphonoacetic Acid, sorbic acid, hydroxyproline and sodium hexadecyl sulfonate. The scale inhibitor also includes the following raw materials: 2-Hydroxyl-4-(methylthio) butyric acid, dodecyl dimethyl benzyl ammonium chloride, ellagic acid and beta sitosterol. With the scale inhibitor, the desalination rate of an aromatic polyamide spiral coiled composite membrane is more than 99.5%, and the scale inhibition rate is 99% or more when the water treatmentcapacity is 100 m<3>/h by use of the reverse osmosis membrane scale inhibitor.

The invention discloses a fine silt collecting agent for achieving desliming through flotation. The fine silt collecting agent comprises 1-4 parts of sodium hexadecyl sulfonate, 1-4 parts of stearic acid polyoxyethylene ether, 1-2 parts of sodium linoleate and 1-2 parts of a mahogany petroleum sulfonate mixture. A using method of the fine silt collecting agent sequentially comprises the steps that firstly, ore raw materials are prepared, the fine silt collecting agent is manufactured, flotation of fine silt is carried out, and finally desliming of ore pulp is carried out. The method has the beneficial effects that the mahogany petroleum sulfonate mixture is added on the basis of the original formula, the mahogany petroleum sulfonate mixture is an anionic surfactant and is also a high-quality surfactant, and the mahogany petroleum sulfonate mixture is compounded with the hexadecyl sodium sulfonate and the stearic acid polyoxyethylene ether, so that the interfacial tension of ore pulp can be reduced, the desliming efficiency can be better improved, and the molecular weight can also influence the relative solubility between the sodium linoleate and water, and also influence the hydrophobicity and hydrophilicity, so that the dispersity and solubility of the collecting agent are improved, and the desliming capacity is further enhanced.

The invention discloses a preparation method for a polishing solution of a stainless steel part. The method comprises the following specific steps of: 1) weighting the raw materials by weight percent: 1.5-2.2% of chromium carbide, 0.2-0.6% of zirconium dioxide, 1.5-1.8% of white mica, 3-3.5% of calcium aluminate, 2.5-2.8% of 1,2,3-benzotriazole, 2-3% of hexadecyl sulfonate, 2.8-3% of cubic boron nitride, 2.5-3.5% of lignocellulose, 2-5% of silicon carbide, 0.8-1.2% of simethicone and the balance of water. The polishing solution prepared according to the method provided by the invention can be used for effectively improving the surface smoothness of the stainless steel and effectively removing oxide and oil stain on the stainless steel surface, without damage to or influence on the surface smoothness of the stainless steel part after being polished.

The invention discloses novel high-performance rubber. The novel high-performance rubber is prepared from ethylene propylene rubber, polyurethane rubber, silicon rubber, dibutyl ester, furfuryl alcohol resin, glycerin triglycerate, acrylic stearate, maleic anhydride grafting, barium sulfate, kaolin, mica powder, hexadecyl sulfonate calcium, diethyl dithiocarbamate zinc, chlorinated polyethylene, isoprene, microcrystalline wax, lignocelluloses, simethicone, carbon fibers, nylon, carboxyethyl cellulose, stearic acid, allyl benzene, aluminum polychlorid, dioctyl phthalate, 2,2,4-trimethyl-1,2-dihydro quinoline polymer, alkyl succinimide, ammonium polyphosphate, ferrocene, phenyl salicylate and an additive. The novel high-performance rubber is good in flame retardant effect, high in impact resisting capacity and high in toughness, excellent flame resisting performance is obtained, the good mechanical performance of the novel high-performance rubber is kept, and the rubber is excellent-performance rubber, can be applied and popularized, and has remarkable economic and social benefits.

The invention discloses a degassing process for producing sodium hexadecyl sulfonate, which comprises the following steps: 1, adding heavy oil into a reaction kettle, and introducing chlorine and sulfur dioxide mixed gas into the reaction kettle to obtain an alkyl sulfonyl chloride mixture; 2, feeding the alkyl sulfonyl chloride mixture into a degassing device through a feeding pipe to obtain purified alkyl sulfonyl chloride; 3, adding the purified alkyl sulfonyl chloride into a reaction tank filled with a sodium hydroxide solution, and reacting for 1-2h to obtain a mixed solution A; and 4, purifying and separating the mixed solution A to obtain the sodium hexadecyl sulfonate. According to the invention, chlorine, sulfur dioxide and hydrogen chloride gas in the alkyl sulfonyl chloride mixture are removed by a method of combining mechanical stirring and hot gas extraction, and the degassing device has the characteristics of heat preservation, convenience in blanking, safety in use and the like, and is simple in degassing process. The product has high purity and high yield, and has great application value in the process of industrial production of sodium hexadecyl sulfonate.

The invention relates to a preparation method of a dust absorbent for casting a copper alloy with waste as a raw material, wherein the preparation method includes the following steps: (1) proportionally weighing sodium hexadecyl sulfonate, dioctyl sodium sulfosuccinate, sulfonated fatty acidalkyl amide, carboxymethyl starch, zinc oxide, urea and the balance water; and (2) diluting the raw materials weighed in the step (1) to a solution with the mass percentage concentration of 2-4%, and placing the solution around a casting furnace. The prepared absorbent has the advantages of simple preparation, convenient use, high absorption efficiency and the like.

The invention discloses sculpture shaping mud, and belongs to the field of sculpture materials. According to the technical scheme, the sculpture shaping mud is characterized by being prepared from thefollowing raw materials in parts by weight: 80-100 parts of polyvinyl acetate copolymer emulsion, 10-20 parts of gum base, 40-60 parts of paraffin, 25-35 parts of diatomite, 12-18 parts of vaseline,1-5 parts of polyvinyl chloride, 5-11 parts of a plasticizer, 8-18 parts of natural minerals, 5-15 parts of potato starch and 3-9 parts of sodium hexadecyl sulfonate. The invention further aims to provide a preparation method of the sculpture shaping mud. And the effect of improving the plasticity of the sculpture shaping mud is achieved.

The invention discloses a composite efficient ammonia water atmospheric treatment agent which comprises the following raw materials in parts by weight: 30-40 parts of silica gel, 20-30 parts of ammonia water, 5-15 parts of linolenic acid, 5-10 parts of a silane coupling agent, 3-5 parts of trehalose, 1-5 parts of sodium lignin sulfonate, 1-5 parts of hexadecyl sodium sulfonate, 1-3 parts of hydrazine hydrate and 1-3 parts of carbohydrazide. The preparation method comprises the steps: adding silica gel into absolute ethyl alcohol, heating, stirring, adding linolenic acid and the silane couplingagent, naturally cooling, filtering, and sealing at low temperature to obtain modified silica gel; and adding the modified silica gel into water, heating, keeping the temperature constant, adding linolenic acid, adding trehalose, sodium lignin sulfonate, sodium hexadecyl sulfonate, hydrazine hydrate and carbohydrazide, naturally cooling, and adding ammonia water to obtain the product. According to the invention, various pollutants in the flue gas can be treated at the same time, and the treatment agent is simple in production process, low in cost and suitable for industrial production.

A stable plastic tray is prepared by, by weight, the following raw materials including oleamide 6-10 parts, dibutyltin dilaurate 5-7 parts, nano-silver 2-6 parts, coalescing agent 1-3 parts, electrical crystal mineral micro powder 7-10 parts, chitin 2-7 parts, ethyl alcohol 3-9 parts, carboxylic polyether 4-8 parts, PP 12-20 parts, modified reed fiber 2-6 parts, calcium sulfate 5-10 parts, natural plant fiber compound 4-7 parts, hexadecyl alkane sulfonate 6-11 parts, PVC 4-10 parts and compatilizer 2-8 parts. The stable plastic tray has the advantages that the stable plastic tray is stable in performance, high in strength, good in toughness, a breakage phenomenon does not easily occur, and safety is ensured.