489 results about "Alkyl sodium sulfates" patented technology

The invention discloses a modified zinc electrode material as well as a preparation method and application thereof, 3, 4-ethylenedioxythiophene, lauryl sodium sulfate and potassium perchlorate are taken as electrolyte, and the surface of a zinc electrode is coated with an organic polymer coating in an electrochemical polymerization manner, so that the problems of dendritic crystal growth, side reaction, corrosion and the like of the zinc electrode are solved; the cycling stability and reversibility of the zinc electrode are improved; meanwhile, the coating has hydrophilicity and better electrolyte wetting capacity, zinc ions are helped to be rapidly diffused on an electrode, and the polarization influence caused by concentration difference in the cycle process of the battery is relieved. Besides, by controlling the electrochemical polymerization time, the thickness of the coating is controlled, and the method has the advantages of simplicity, rapidness and the like and is suitable for large-scale popularization and application.

The invention belongs to the technical field of sewage treatment, and particularly relates to a demulsifier for eliminating an oil-water interface emulsion layer in oilfield produced liquid treatment and a preparation method of the demulsifier. The preparation method comprises the following steps: adding acrylamide, 1-allyl-3-methylimidazolium bis (trifluoromethanesulfonyl) imine salt, allyl tributyl phosphonium chloride and deionized water into a first reactor, and heating and dissolving the acrylamide, the 1-allyl-3-methylimidazolium bis (trifluoromethanesulfonyl) imine salt, the allyl tributyl phosphonium chloride and the deionized water; adding allyl (diisopropylamino) dimethylsilane, butyl acrylate, deionized water, octylphenol polyoxyethylene ether-10, lauryl sodium sulfate and monopotassium phosphate into the second reactor, and stirring to obtain an emulsion; adding an initiator and sodium hydrogen sulfite into a second reactor, carrying out heating and heat preservation reaction, pouring the mixed solution in the first reactor, and continuously carrying out reaction, heating and heat preservation to obtain a viscous liquid; and drying and granulating the viscous liquid to obtain the demulsifier. The demulsifier provided by the invention has the characteristics of simple synthesis process and high demulsification rate.

The invention provides a melogabalin besylate tablet and a preparation method thereof, the melogabalin besylate tablet comprises a plain tablet and a coating, the plain tablet comprises, by mass, 4.39% of melogabalin besylate, 75-85% of mannitol 150SD, 3-10% of a disintegrating agent, 0.5-3% of a lubricant, 0.1-0.5% of an adsorbent, 1-10% of a filler, 0.5-3% of an antioxidant A and 0.1-3% of an antioxidant B; and the coating comprises the following components in percentage by mass: 30-45% of talcum powder, 2-10% of lauryl sodium sulfate, 30-45% of glycerol monocaprylate / dicaprylate, 2-10% of titanium dioxide, 30-45% of polyvinyl alcohol, 0.5-2% of iron oxide yellow and 0.5-2% of iron oxide red. The melogabalin besylate tablet prepared by the invention uses specific coating composition and specific coating parameters, so that the melogabalin besylate tablet can be stably stored without a drying agent and a composite aluminum bag for medicine packaging, the stability of the tablet is greatly improved, the complexity of equipment required by production is simplified, and the production cost is greatly saved.

The invention discloses a biomass photo-thermal interface evaporation material based on a nano TiO2-CNT photocatalytic thermal insulation layer, a preparation method of the biomass photo-thermal interface evaporation material and application of the biomass photo-thermal interface evaporation material in solar-driven interface evaporation, photo-thermal seawater desalination and sewage treatment. The preparation method comprises the following steps: S1, pulp pretreatment: softening pulp and removing saccharides and impurities; s2, preparing a carbonization layer; s3, a photocatalytic heat insulation coating is coated; S3.1, a photocatalytic heat insulation coating solution is prepared, wherein nanometer titania, carbon nanotubes, polyvinyl alcohol and lauryl sodium sulfate are taken and added into water, and a photocatalytic heat insulation layer solution is obtained; s3.2, a photocatalytic heat insulation coating is coated; and S4, pyrrole coating: uniformly coating the carbonized layer of the cactus pulp block with pyrrole, then uniformly coating the carbonized layer coated with pyrrole with the oxidant aqueous solution, and carrying out full polymerization reaction to obtain the biomass photo-thermal interface evaporation material Ppy / CTPS cactus.

The invention relates to the technical field of expansive soil treatment, and particularly discloses an expansive soil rapid hardening material as well as a preparation method and application thereof. The invention discloses an expansive type rapid hardening material for soil. The expansive type rapid hardening material is prepared from the following components: high belite sulphoaluminate cement clinker, ordinary Portland cement, gypsum, solid waste high-activity superfine powder, a nano crystal nucleus induction activating agent, a nano modified complexing agent and a modified early strength agent, the nano crystal nucleus induction activating agent is prepared from nano Al2O3, sodium dodecyl benzene sulfonate, NaOH and Na2SiO3; the nano modified complexing agent is prepared from nano SiO2, lauryl sodium sulfate and silane; the modified early strength agent is prepared from modified graphene oxide, Na2SiO3 and water. According to the technical scheme, the solid waste can be recycled, the expansive soil treated by the hardening material can achieve the effects of high hour strength and good water stability, and the curing speed and the production efficiency are greatly improved.

The invention provides a nano-modified composite gel foam inhibitor for inhibiting spontaneous combustion of coal and a preparation method of the nano-modified composite gel foam inhibitor, and relates to the technical field of preparation of composite inhibitors. The nanometer modified composite gel foam stopping agent is prepared from six components including sodium polyacrylate serving as a gelling agent, konjac glucomannan serving as a cross-linking agent, lauryl sodium sulfate serving as a foaming agent, xanthan gum serving as a foam stabilizer, nanometer silicon dioxide particles and modified antioxidant powder, the optimal proportion of the gelling agent is 2.5 wt%, the optimal proportion of the cross-linking agent is 0.3 wt%, the optimal proportion of the foaming agent is 0.3 wt%, and the optimal proportion of the modified antioxidant powder is 0.3 wt%. The optimal proportion of the foam stabilizer is 0.4 wt%, the optimal proportion of the nano SiO2 particles is 4 wt%, and the optimal proportion of the modified antioxidant is 2 wt%. Different components endow the nano SiO2 modified composite gel foam with different physical and chemical structural characteristics and coal spontaneous combustion prevention performance characteristics, and by adding the nano SiO2 particles and the bentonite modified tert-butylhydroquinone antioxidant, the overall stability and inhibition efficiency of the gel foam are improved.

The invention relates to the technical field of foaming agents, and discloses a high-temperature-resistant foaming agent and a preparation method thereof. The high-temperature-resistant foaming agent is obtained by adding sulphobetaine modified benzoxazine, melamine benzene sulfonate modified polyoxyethylene ether, lauryl sodium sulfate and a polyvinyl alcohol foam stabilizer into water, stirring and mixing. The benzoxazine structure has relatively high rigidity and stability at a high temperature; sulfobetaine is an ampholytic surfactant and has high foaming capacity, sulfonic acid groups are high in temperature resistance, and the foaming performance and the high temperature resistance of the foaming agent are improved; melamine molecules are not easy to decompose at high temperature, so that the high temperature resistance of the foaming agent is improved; polyoxyethylene ether is a nonionic surfactant and has remarkable surface activity, the sulfonic acid group anions and the polyoxyethylene ether nonionic surfactant play a synergistic role, mixed micelles are formed in an aqueous solution, and the foaming performance of the foaming agent is improved.

The invention discloses a method for extracting PN / PDRN from lactobacillus bulgaricus and application of the PN / PDRN in relieving and anti-inflammatory aspects, belongs to the technical field of biochemistry, and solves the problems that in the prior art, the acquisition source of PN / PDRN is unstable, and pollution easily exists. According to the preparation method, cell walls of lactobacillus bulgaricus are preliminarily dissolved through alkaline conditions and lysozyme in the preparation process, cell membranes of bacteria are destroyed through lauryl sodium sulfate to be split, the conditions are mild, meanwhile, PVP is added to protect a PN structure, and the purity of the PN / PDRN is effectively improved through a final product prepared through the preparation method.

The invention belongs to the technical field of protein content determination, and particularly relates to a method for determining the protein content of corn kernels. The method comprises the following steps: extraction of corn kernel proteins: extracting different types of corn kernel proteins respectively; determining the protein content of the corn kernels: drawing a standard curve by using a bovine serum standard protein solution; calculating to obtain different types of corn kernel proteins; the sum of the contents of the proteins of the different types of corn kernels is the total protein content of the corn kernel sample. According to the method, the protein components in the corn kernel sample are extracted by adopting a sequential extraction method, each protein component can be completely extracted, the use amount of the sample is small, the operation process is simple, the cost is relatively low, and a basis is provided for accurately measuring the content of the protein components in the corn kernels. According to the method, toxic reagents such as concentrated sulfuric acid, lauryl sodium sulfate, phenolic substances and mercaptoethanol are not used, so that the health of operators is not damaged, and the safety in the experiment process is ensured.

A solid gel foam fire extinguishing agent includes a material A and a material B; the material A includes the following components in mass percentage: 18% to 25% of an inorganic silicate, 0.25% of sodium carboxymethyl cellulose, 0.25% of sodium alginate, 0.1% to 0.5% of xanthan gum, 0.5% to 1% of polyvinyl alcohol, 0.5% to 1.5% of sodium lauryl sulfate, 0.01% to 0.05% of dodecanol, 0.005% to 0.01% of disodium ethylenediaminetetraacetate, and water as a balance; and the material B includes the following components in mass percentage: 25% of sodium dihydrogen phosphate, 25% of acetic acid, 1% to 1.5% of fatty alcohol polyoxyethylene ether, 0.1% to 0.5% of 3% aqueous film-forming foam, 0.01% to 0.05% of the dodecanol, and water as a balance. The fire extinguishing agent exhibits advantages including low density, low oil wettability, high resistance, high adhesiveness, and foam collapse-resistant properties in fire resistance.

The invention belongs to the technical field of inorganic powder, and discloses polymer-coated modified heavy calcium carbonate composite particles as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing and stirring heavy calcium carbonate and a mixed solution of NaOH and Na2CO3, and carrying out suction filtration, washing and drying; adding KH-570 hydrolysate into the obtained surface hydroxylated ground calcium carbonate, continuously stirring in an oil bath pan, carrying out reflux condensation reaction for 3 hours, carrying out suction filtration, and drying to obtain KH570-OH-GCC; sequentially adding lauryl sodium sulfate, deionized water and KH570-OH-GCC, and adding an initiator for reaction; dropwise adding a mixed solution of butyl acrylate and ethylene glycol dimethacrylate, and reacting for 2 hours after dropwise adding; and adding an emulsifier, continuously stirring, dropwise adding a mixed solution of methyl methacrylate and allyl methacrylate, reacting for 2.5 hours after dropwise adding, cooling, carrying out suction filtration, and drying to obtain the polymer-coated modified heavy calcium carbonate composite particles.

The invention discloses a novel lightening material synthesis process for oil well cement, and belongs to the technical field of oilfield chemistry. According to the novel lightweight material synthesis process for oil well cement, diatomite is pretreated and aminated to obtain modified diatomite, and then floating beads are subjected to surface modification and SiO2 aerogel wrapping to obtain modified floating beads; the preparation method comprises the following steps: mixing modified diatomite with modified floating beads to obtain a composite light material, finally, respectively dissolving methyl alkenyl polyoxyethylene ether, lauryl sodium sulfate, hydroxypropyl methyl cellulose and nano silicon dioxide in deionized water to prepare a premixed solution, adding the premixed solution into the composite light material, and stirring to uniformly disperse the premixed solution to obtain the composite light material. The novel lightening material for the oil well cement is obtained. When the density of the novel lightening material for the oil well cement is 1.4 g / cm < 3 >, the novel lightening material for the oil well cement still keeps relatively high compressive strength.

The invention relates to the field of demulsifiers, in particular to an oil sludge demulsifier as well as a preparation method and application thereof. The oil sludge demulsifier comprises the following components in parts by mass: 20-35 parts of a surface active compound, 7-12 parts of a sodium alkyl sulfate cosolvent, 0.6-1.8 parts of a stabilizer and 48-55 parts of water, wherein the surface active compound comprises hyperbranched polyamidoamine and polyether amine modified magnetic nanoparticles. According to the oil sludge demulsifier, the problems that most of existing demulsifiers are small in dehydration amount, low in dehydration speed, poor in demulsification effect and low in treated oil content are solved, the demulsification performance of the oil sludge demulsifier is improved, the demulsification and dehydration efficiency is improved, and effective separation of oil sludge is achieved.

The invention provides a pharmaceutical composition containing fenerenone, which comprises the following components in percentage by weight: 1.0%-30.0% of fenerenone, 1.0%-5.0% of hydroxypropyl methylcellulose, 0.1%-1.0% of lauryl sodium sulfate, 5.0%-15.0% of polyvinylpolypyrrolidone and 0.5%-5.0% of sodium stearyl fumarate. The filler is microcrystalline cellulose and lactose monohydrate, a wet granulation process is adopted, the pharmaceutical composition has the characteristics of stable and rapid dissolution and rapid disintegration of the fenerenone, the process is simple, the production steps are simplified, the production efficiency is improved, and the cost is reduced.

The invention discloses a composite ammonia nitrogen removal agent for treating wastewater containing ammonia nitrogen as well as a preparation method and application of the composite ammonia nitrogen removal agent. The composite ammonia nitrogen removal agent is prepared from the following raw material components: polymerized ferrous sulfate, lanthanum sulfate, cerous sulfate, samarium sulfate, yttrium sulfate, calcium sulfate, silicon sulfate, sodium hypochlorite, potassium citrate and lauryl sodium sulfate. The composite ammonia nitrogen removal agent can quickly convert ammonia nitrogen in wastewater into an ammonia nitrogen compound precipitate under the synergistic effect of the components, has the advantages of high ammonia nitrogen reaction speed, good precipitation effect and the like, is a novel agent with excellent ammonia nitrogen removal performance, and has the advantages of low cost and high efficiency when being used for treating ammonia nitrogen-containing wastewater. According to the present invention, the ammonia nitrogen in the wastewater can be reduced to less than 5 mg / L under the synergistic effect of the flocculant, the advanced treatment and the large-scale treatment of the ammonia-nitrogen-containing wastewater can be achieved, and the method has advantages of simple process, simple operation, low treatment cost, high treatment efficiency, good removal effect and the like, and has important significance on the harmlessness and the reduction of the ammonia-nitrogen wastewater.

This invention discloses a method for extracting PN / PDRN from Lactobacillus bulgaricus and its application in soothing and anti-inflammatory effects. Belonging to the field of biochemistry, this method solves the problems of unstable PN / PDRN sources and susceptibility to contamination in existing technologies. In this invention, the preparation relies on alkaline conditions and lysozyme to initially dissolve the cell wall of Lactobacillus bulgaricus, and then sodium dodecyl sulfate is used to disrupt the bacterial cell membrane, causing it to lyse. The conditions are mild, and PVP is added to protect the PN structure. The final product prepared by this invention effectively improves the purity of the obtained PN / PDRN.

The invention discloses a composite treatment agent for sewage treatment and a preparation method thereof, and the composite treatment agent is prepared from the following raw materials in parts by weight: 50-60 parts of modified diatomite, 10-20 parts of zeolite powder, 10-20 parts of polyaluminum chloride, 10-20 parts of activated carbon, 5-10 parts of shell powder, 5-10 parts of polyacrylamide and 4-8 parts of lauryl sodium sulfate. According to the composite treatment, modified diatomite, zeolite powder, polyaluminum chloride, activated carbon, shell powder, polyacrylamide and lauryl sodium sulfate are compounded and mixed according to a specific proportion, so that the obtained composite treatment agent has good adsorbability and can quickly and efficiently adsorb heavy metal ions in sewage; meanwhile, organic pollutants in sewage can be complexed, and the method has a good application prospect.

The invention provides a preparation method and application of a silicon dioxide anti-blocking agent for a thin film, and relates to the technical field of anti-blocking agents. The preparation method of the silicon dioxide anti-blocking agent comprises the following steps: uniformly mixing and stirring tetraethoxysilane, ethanol, water and ammonia water, adding polyethylene glycol, stirring, carrying out water bath reaction, centrifuging, washing and calcining to obtain porous silicon dioxide microspheres; the preparation method comprises the following steps: dispersing porous silicon dioxide in absolute ethyl alcohol, adding a silane coupling agent, reacting, centrifuging, washing and drying to obtain silanized porous silicon dioxide microspheres; dispersing the silanized porous silicon dioxide microspheres in deionized water, adding a surfactant lauryl sodium sulfate and a methyl methacrylate and butyl acrylate monomer mixture, adding an initiator azodiisobutyronitrile for reaction, and centrifuging, washing and drying after the reaction is completed; and finally, carrying out heat treatment on the obtained product. The binding force between existing silicon dioxide anti-blocking agent particles and a film substrate is improved, and long-term effectiveness is maintained.

The invention discloses a preparation method and application of magnetic montmorillonite modified sludge-based hydrothermal carbon, and belongs to the technical field of sludge carbonization. The method comprises the following steps: (1) mixing sludge, montmorillonite and ethylene glycol to obtain montmorillonite sludge dispersion liquid; (2) adding ferric trichloride, lauryl sodium sulfate and anhydrous sodium acetate into the montmorillonite sludge dispersion liquid to obtain montmorillonite sludge mixed liquid; (3) carrying out hydrothermal reaction on the montmorillonite sludge mixed solution, and cooling after the reaction is completed to obtain a hydrothermal product; and (4) respectively washing the hydrothermal product with deionized water and absolute ethyl alcohol, carrying out suction filtration, drying and grinding to obtain the magnetic montmorillonite modified sludge-based hydrothermal carbon. The montmorillonite modified sludge-based hydrothermal carbon is prepared by taking sludge as a raw material, modifying and dispersing the sludge in ethylene glycol through montmorillonite, then carrying out hydrothermal reaction, washing, carrying out suction filtration and drying, and the hydrothermal carbon has an excellent pore structure and adsorption performance and is particularly suitable for adsorbing and removing methylene blue in a water body.

The invention relates to the field of building materials, and discloses a composition for a geopolymer, the geopolymer and a preparation method of the geopolymer. The composition contains a composite foaming agent, a cementing material and water in a mass ratio of 1: (110-250): (40-50), the composite foaming agent contains a foaming agent, lauryl sodium sulfate and sodium dodecyl sulfate in a mass ratio of 10: (0.5-2): (0.5-2); the pH value of the foaming agent is greater than or equal to 8; the modulus of the alkali activator is 1 to 1.2; the admixture contains metakaolin and slag. The geopolymer material disclosed by the invention has the characteristics of excellent thermal insulation property and light weight.

The invention relates to an open-air coal yard dynamic dust raising inhibitor and a preparation method and a preparation device thereof, and the inhibitor comprises the following components in percentage by weight: 3-5% of pulverized coal, 5-10% of starch grafted acrylic polymer, 5-10% of lauryl sodium sulfate, 5-10% of acrylamide, 5-10% of modified starch and the balance of water. 1-2% of a starch grafted acrylic polymer; 0.03 to 0.05 percent of lauryl sodium sulfate, 0.1 to 0.5 percent of acrylamide and 1 to 2 percent of modified starch; sodium dodecyl sulfate is chemically pure, and the inhibitor has the following advantages that 1, the inhibitor has good wettability and permeability, and can rapidly permeate into coal, effectively fix dust on the surface of sandy soil, reduce wind erosion and form a hard consolidation layer, so that the purpose of controlling and improving the sand damage environment is achieved; 2, the inhibitor has flexible coagulation property, and the inhibitor can cover the surface of dust, so that fine dust particles are coagulated into larger particles; and 3, the dust remover has certain viscosity and can effectively adsorb dust particles and reduce flying of the dust particles. And 4, manufacturing and spraying of the inhibitor are automatically controlled by the inhibitor preparation device, and the efficiency is high.

The invention relates to the field of copper plating solutions, and provides a low-stress chemical copper plating solution for a glass substrate and a preparation method of the low-stress chemical copper plating solution. The invention discloses a copper ion carboxyl chelate, which is composed of copper ion carboxyl chelate, 2, 2 '-bipyridine, polyethylene glycol-8000, lauryl sodium sulfate, a sodium carbonate buffer agent, deionized water and a pretreatment solvent, and the copper ion carboxyl chelate is prepared by chelating a polyacrylate-itaconic acid copolymer with copper chloride and then carrying out stepwise cross-linking with epichlorohydrin and N, N'-methylene bisacrylamide. The copper-bis-salicylaldehyde ethylenediamine complex is obtained by reacting bis-salicylaldehyde ethylenediamine with copper acetate, crystallizing and purifying. The preparation method comprises the steps of solvent premixing, chelating activation, staged additive integration, pH dynamic regulation and control and plating solution purification, through nitrogen protection, high-shear stirring and accurate pH regulation, the problems that a traditional chemical copper plating layer is high in stress and poor in conductivity are solved, and the method is suitable for high-precision glass substrate surface metallization.

The invention discloses SDS-PAGE polyacrylamide gel prepared by a one-step method, the SDS-PAGE polyacrylamide gel comprises a separation gel and a concentration gel, the separation gel comprises the following components: a Tris-HCl buffer solution, acrylamide, N, N '-methylene bisacrylamide, a trihalide compound, lauryl sodium sulfate, an ammonium persulfate solution, a glycerin aqueous solution, tetramethylethylenediamine and water; the concentrated gel is prepared from the following components: a Tris-HCl buffer solution, acrylamide, N, N '-methylene bisacrylamide, lauryl sodium sulfate, an ammonium persulfate solution, tetramethylethylenediamine and ultrapure water. The polyacrylamide gel provided by the invention can be used for preparing gel by a one-step method, so that a sample loading hole is clearer and more visible, and a clear protein band can be presented by irradiating for 60-90 seconds under 300 nm ultraviolet after electrophoresis.

The invention belongs to the technical field of printing and dyeing wastewater treatment, and particularly relates to a g-C3N4-based adsorbent and a synthesis method thereof.The method comprises the steps that urea is put into a drying oven to be dried, dried urea is obtained, lauryl sodium sulfate is added into the dried urea, mixing and grinding are conducted, a mixture is obtained, then the mixture is transferred into a crucible to be calcined, and a calcined product is obtained; and cooling the calcined product to room temperature, washing and drying to obtain the g-C3N4-based adsorbent. According to the preparation method, the lauryl sodium sulfate is added firstly and then calcined, so that the electronegativity of the product is effectively improved, the electrostatic adsorption capacity to cationic methylene blue is remarkably improved, and the adsorption rate is finally improved.

The invention relates to the technical field of textiles, in particular to high-breathability antibacterial lining cloth and a preparation method thereof. The preparation method comprises the following steps: adding ethyl methacrylate, hydroxyethyl acrylate, modified chitosan, modified silver-loaded titanium dioxide, modified lignin and a lauryl sodium sulfate solution to obtain a pre-emulsion; and adding a lauryl sodium sulfate solution, a sodium bicarbonate solution and an ammonium persulfate solution into the pre-emulsion to obtain the acrylic acid adhesive. The high-breathability polyester fabric is soaked in the acrylic acid adhesive for 1-2 min, roll compacting and baking are conducted after soaking is completed, and the high-breathability antibacterial lining cloth is obtained. The high-breathability antibacterial lining cloth prepared by the preparation method has excellent antibacterial performance and ultraviolet resistance, so that the high-breathability antibacterial lining cloth has a wide application prospect in the technical field of textiles.

The invention relates to transfer printing ink as well as a preparation method and application thereof, and belongs to the technical field of ink. The transfer printing ink comprises the following components: modified acrylic resin, a surfactant, a dye, a lubricant, other auxiliary agents and deionized water, the preparation method of the modified acrylic resin comprises the following steps: mixing acrylic acid, ethyl methacrylate, hydroxyethyl acrylate, fumed silica, lauryl sodium sulfate, an initiator and deionized water, heating, adding an antibacterial agent, glycidyl methacrylate and absolute ethyl alcohol, and stirring at a constant temperature to obtain the modified acrylic resin. The prepared modified acrylic resin provides excellent dispersion stability for other components, so that the ink can keep stable flowability and viscosity for a long time, the problems of gelling, oil-water separation, thickening and the like are not easily generated, and the antibacterial property, hardness and adhesive force of the ink are remarkably improved; the water-based ink formed by mixing the components is ensured to have high film-forming hardness, remarkable antibacterial property and strong adhesive force to a base material.

The invention relates to the technical field of muck modifying agents, in particular to a muck modifying agent based on shield construction and a construction method, and the muck modifying agent comprises the following raw materials: a composite foaming agent, modified bentonite, carboxymethyl cellulose and lignosulfonate. The composite foaming agent significantly reduces surface tension through betaine, and enhances the foam stability in combination with nano-silica, thereby improving the foaming efficiency; the nano silicon dioxide is embedded into a foam liquid film to form mechanical support, and the abelmoschus manihot gum delays liquid drainage through a thickening effect, prolongs the half-life period of foam and ensures continuous wetting of the muck. Bentonite is modified through acidification of oxalic acid, the interlayer spacing is enlarged, the water absorption capacity is improved, meanwhile, long-acting water locking is achieved through hydrophilic groups of lauryl sodium sulfate, and the residue soil humidity is maintained; anion modification of lauryl sodium sulfate enables the surface of bentonite to be negatively charged, the surface of bentonite and an anion modifier generate like-pole repulsion, the flocculation phenomenon is avoided, and therefore the uniformity of a system is improved.

The invention relates to the technical field of water electrolysis hydrogen production, in particular to an anode gas diffusion layer for AEM water electrolysis hydrogen production and a preparation method and application of the anode gas diffusion layer. The method comprises the following steps: preparing a modification reagent by using an HCl solution, an HNO3 solution and an FeCl3 solution; and modifying the gas diffusion layer body matrix by using a modification reagent, adding lauryl sodium sulfate into the modification reagent, continuously modifying, and placing in a mixed gas of CH4 and Ar2 for high-temperature treatment to obtain the anode gas diffusion layer for AEM water electrolysis hydrogen production. According to the method, the conductivity, the mass transfer efficiency, the corrosion resistance and the like of the gas diffusion layer are further improved through collaborative design of pore structure optimization, chemical etching activation and surface carbon reinforcement on a gas diffusion layer body matrix; the problems that in the prior art, a gas diffusion layer is low in mechanical strength and prone to corrosion, and oxygen bubbles are difficult to discharge are solved.

The invention relates to the field of washing products, in particular to a whitening and decontaminating laundry sheet and a preparation method thereof. The whitening and decontaminating laundry sheet comprises a film-forming agent, an anionic surfactant, a nonionic surfactant, a fluorescent whitening agent, an anti-fouling agent, an enzyme preparation, a plant extract, a chelating agent and an auxiliary agent, the film-forming agent comprises a film-forming agent A and a film-forming agent B; the film-forming agent A is polyvinyl alcohol, and the film-forming agent B comprises one or more of polyvinylpyrrolidone and modified polyvinyl alcohol; the anionic surfactant comprises sodium alkyl sulfate, sodium fatty acid methyl ester sulfonate and sodium alpha-olefin sulfonate; the nonionic surfactant is prepared from polyglycerol fatty acid ester, fatty alcohol-polyoxyethylene ether, fatty acid methyl ester ethoxylate and alkyl glucoside. The whitening and decontaminating laundry sheet is high in dissolvability, has a remarkable whitening effect on fabrics, has decontaminating power, and has the advantages of being convenient to carry and use, free of solid matter residues after being used and the like.

The invention discloses a lauryl sodium sulfate performance detection method and system, and relates to the field related to intelligent detection.The method comprises the steps that a target purpose is read, performance requirement analysis is conducted, and related performance indexes are determined; component detection is carried out, and target component information is determined; image acquisition is carried out, an image acquisition result is identified and analyzed, and target structure information is obtained; constructing an analogue simulation experiment field, performing a simulation experiment, and generating a simulation test image set; performing performance evaluation through a performance evaluation unit to obtain a plurality of performance evaluation coefficients; and performing weighted fusion to generate a comprehensive performance evaluation coefficient, performing judgment through a preset performance coefficient threshold, and outputting a target performance detection result. The technical problems of low detection efficiency and insufficient accuracy and reliability of a detection result caused by long test period and limited test range of the existing lauryl sodium sulfate performance detection are solved, and the technical effect of rapid, comprehensive and accurate detection is achieved.