950 results about "Ethanolamine" patented technology

The invention discloses an organic amine composite absorbent for carbon capture and application thereof, and belongs to the technical field of carbon dioxide capture, the organic amine composite absorbent for carbon capture is in a solution state and comprises the following components: a main agent, an auxiliary agent, an accelerant A, an accelerant B and water; wherein the mass ratio of the main agent to the auxiliary agent is 2: (1-2); the mass ratio of the auxiliary agent to the accelerant A is 2: (1-2); the mass ratio of the accelerant A to the accelerant B is 2: (1-2); the total mass concentration of the main agent, the auxiliary agent, the accelerant A and the accelerant B in the organic amine composite absorbent for carbon capture is 30-40 wt%; the main agent is selected from N-methyldiethanolamine or N, N-diethyl ethanolamine, the auxiliary agent is selected from piperazine or hydroxyethyl ethylenediamine, the accelerant A is selected from triethylene glycol monomethyl ether and / or ethylene glycol monomethyl ether, and the accelerant B is selected from ethyl butyl ether and / or isobutyl ether. The organic amine composite absorbent for carbon capture has a wide application prospect in removal of carbon dioxide in flue gas.

The invention discloses a graphene nanometer heavy anti-corrosion coating and a preparation method thereof, and belongs to the technical field of anti-corrosion coatings. The coating is prepared from the following components in parts by mass: 50 to 70 parts of diallyl bisphenol A type epoxy resin, 8 to 15 parts of histidine modifier, 12 to 20 parts of graphene nano composite modified filler, 5 to 10 parts of curing agent, 0.5 to 2 parts of flatting agent and 0.3 to 1 part of defoaming agent. The preparation method of the histidine modifier comprises the following steps: carrying out a Schiff base reaction on 1-palmitoyl-2-oleoyl ethanolamine and N-formyl-L-histidine to generate an intermediate A; reacting with a spiro quaternization reagent to form a quaternary ammonium salt intermediate B; and then compounding with aminopropyltriethoxysilane and silicotungstic heteropoly acid salt to obtain the product. The graphene nano-composite modified filler is prepared by modifying the surface of a graphene oxide / bentonite mutual intercalation layer structure through allyl trimethoxy silane. The graphene nano heavy anti-corrosion coating prepared by the invention forms a high-density cross-linked network, and has excellent barrier property, strong adhesive force, impact resistance and long-acting anti-corrosion performance.

The invention relates to a bionic exosome for anti-inflammation and repair as well as a preparation method and application thereof, and belongs to the field of cosmetics. The bionic exosome provided by the invention comprises a membrane structure and an internal load phase, the membrane structure comprises a phospholipid bilayer, a stabilizer and a targeting ligand; the internal load phase comprises a solvent and an active component; the phospholipid bilayer is composed of phospholipid compounds; preferably, at least one of the distearoyl phosphatidyl ethanolamine-polyethylene glycol 2000 and the 1, 2-dioleoyl-sn-glycerol-3-phosphoethanolamine is adopted as the phospholipid compound, and at least one of the distearoyl phosphatidyl ethanolamine-polyethylene glycol 2000 and the 1, 2-dioleoyl-sn-glycerol-3-phosphoethanolamine is adopted as the phospholipid compound; at least one of cholesterol, phytosphingosine and sodium stearoyl glutamate is preferably adopted as a stabilizer, so that the stabilizer of the obtained bionic exosome is improved, and the bionic exosome has the advantages of high encapsulation efficiency, good encapsulation efficiency stability, simplicity in operation, excellent anti-inflammatory and repairing effects and the like.

The invention relates to a method for improving chemiluminescence immunoassay sensitivity of magnetic particles, a detection kit and application thereof, firstly, magnetic beads are coupled with an antibody, then magnetic beads are sealed to obtain a magnetic bead coated antibody, sealing comprises pre-sealing and second-step sealing, glycine and ethanolamine are added in the pre-sealing process, and in the second-step sealing process, glycine and ethanolamine are added in the second-step sealing process. Casein hydrolysate and dodecyl dimethyl amine ethyl lactone are added; then coupling the antibody with alkaline phosphatase or streptavidin to obtain an alkaline phosphatase labeled antibody or a streptavidin labeled antibody; the magnetic bead coated antibody, the alkaline phosphatase labeled antibody or the streptavidin labeled antibody is used for sample detection. The method is high in sensitivity and wide in detection range, is adaptive to a common immunoassay instrument, does not need expensive equipment, and is also simple to operate; in addition, the AMH concentration with extremely low concentration can be accurately detected.

The invention belongs to the technical field of hair care products, and particularly relates to composite acid gel for scalp care and a preparation method thereof. Salicylic acid, glycolic acid, piroctone azelate olamine salt, echinacea purpurea-lactic acid bacteria yeast, an emulsifier and water are combined, wherein the echinacea purpurea-lactic acid bacteria yeast is prepared by performing enzymolysis on echinacea purpurea through bacillus subtilis protease and then performing aerobic fermentation with lactic acid bacteria. Salicylic acid, glycolic acid and azelaic acid in the composite acid gel are compounded, so that stimulation of salicylic acid is weakened, and the effect of dissolving hair follicle grease is reserved; glycolic acid and azelaic acid are added to accelerate keratin metabolism, regulate sebum secretion and create safe and healthy shielding for the scalp environment, and polysaccharide and flavonoid compounds in the echinacea purpurea-lactic acid bacteria leavening are beneficial to exerting the anti-oxidation and immune regulation effects of the echinacea purpurea-lactic acid bacteria leavening. Therefore, the composite acid gel provided by the invention is green, safe and non-irritant, the preparation method is simple and convenient, and the composite acid gel can be used for inhibiting bacteria and reducing scalp inflammation.

The invention relates to the technical field of polyurethane, and discloses a high-conductivity carbon nanotube modified polyurethane fiber membrane, which is characterized in that carbon nanotubes react with 1, 4-butanediamine to obtain aminated carbon nanotubes, 2, 4-toluene diisocynate reacts with polytetrahydrofuran ether glycol to form a polyurethane precursor, and the polyurethane precursor further reacts with 2, 2-dimethylolpropionic acid, 2, 2-dimethylolpropionic acid, 2, 2, 2-trimethyl-1, 3-pentanediol, 2, 2, 4-trimethyl-1, 3-pentanediol, 2, 2, 4-trimethyl-1, 3-pentanediol, 2, 2, 4-trimethyl-1, 3-pentanediol, 2 4-dihydroxyanisole reacts with N-methyldiethanolamine to obtain aldehyde polyurethane, the aldehyde polyurethane reacts with the aminated carbon nanotubes to finally obtain the composite fiber membrane, the interface bonding force of the carbon nanotubes and the polyurethane is enhanced through connection of chemical bonds, and when the composite fiber membrane is subjected to external force, stress passes through chemical cross-linking points, so that the composite fiber membrane is formed. The stress is transferred to the carbon nano tube from the polyurethane matrix, the carbon nano tube can absorb and transfer the stress, and the carbon nano tube can form a conductive network, so that the conductivity of the polyurethane is improved.

The present invention relates to a method for dynamically controlling corrosion in a steam- water circuit of a nuclear power plant, the method comprising: injecting the compounds ethanolamine and optionally ammonia, the system comprising: injection units, located at a dosing point and configured for injecting the compounds ethanolamine and ammonia in the fluid circulating in the circuit; and measurement units, configured for measuring a value of the parameters pH and at least one of the parameters selected from redox potential and corrosion potential in the circuit; the system being characterized in that it further comprises a control unit, the control unit comprising: a first acquisition module, connected to the measurement unit and configured for acquiring the measured values of the parameters and configured for acquiring at least one set-point value for said parameters; a command module, connected to the injection units and configured for commanding the injection of the compounds ethanolamine and ammonia by the injection unit as a function of the acquired at least one set-point value and measured values of the parameters, characterized in that ethanolamine is used as reducing agent. The present invention further relates to a system for dynamically controlling corrosion in a steam-water circuit of a nuclear power plant.

The invention belongs to the technical field of molecular sieve synthesis, and discloses a preparation method of a TS-1 molecular sieve for phenol hydroxylation, which comprises the following steps: dropwise adding tetraethyl orthosilicate into an aqueous solution containing tetrapropylammonium hydroxide; after clarification, dropwise adding a solution containing tetrabutyl titanate and isopropanol into the solution; carrying out hydrothermal crystallization, centrifugation, drying and calcination; the preparation method comprises the following steps: adding silica gel into an aqueous solution of tetrapropylammonium bromide and ethanolamine; dropwise adding a solution containing tetrabutyl titanate and isopropanol into the solution; adding a seed crystal; carrying out hydrothermal crystallization, centrifugation, drying and calcination; dissolving in an aqueous solution of tetrapropylammonium bromide and ethanolamine; and carrying out hydrothermal crystallization, centrifugation, drying and calcination. The method is low in cost and simple to operate, a large number of mesopores are formed in the molecular sieve, the diffusion mass transfer rate is increased, the content of hexa-coordinated titanium is greatly increased, and the catalyst has good catalytic activity in 1-hexene epoxidation, cyclohexene epoxidation, propylene epoxidation and phenol hydroxylation reactions.

The invention discloses a method for preparing calcium hydroxide with high specific surface area and high pore volume by a semi-dry method, which comprises the following steps: S1, adding an alcohol reagent into water, and uniformly mixing to obtain a solution A; s2, adding a composite cationic surfactant into the solution A, and dissolving to obtain a solution B; s3, adding an iron salt solution into the solution B, and uniformly mixing to obtain a solution C; s4, adding triethanolamine into the solution C, and performing ultrasonic dissolution to obtain a solution D; and S5, spraying the solution D into calcium oxide powder, continuously stirring, and reacting to prepare calcium hydroxide with high specific surface area and high pore volume. The calcium hydroxide prepared by the method has a high specific surface area and a rich pore structure, is powdery after reaction, and is relatively low in water content.

The invention discloses a method for preparing ethylenediamine and piperazine from ethylene glycol, which comprises the following steps: in a system containing ethylene glycol, ammonia gas, hydrogen, a solvent and a catalyst, carrying out dehydrogenation, amination and hydrogenation on ethylene glycol and ammonia gas under the action of the catalyst to generate ethanolamine; the ethanolamine is further aminated to generate ethidene diamine; and further reacting ethylene glycol, ethanolamine and ethylenediamine to generate piperazine. According to the present invention, the solubility of ethanolamine and ethylenediamine is increased by introducing the solvent with the high polarity into the reaction system, such that the high ethylene glycol conversion rate is achieved under the mild reaction conditions (180-220 DEG C, 4-5 MPa), and the selectivity of ethylenediamine and piperazine is significantly improved. Wherein the selectivity of ethylene glycol can reach 74.1%, the sum of the selectivity of ethanediamine and piperazine can reach 85.5%, and the selectivity of piperazine can reach 73.3%.

The invention provides liquiritin gel as well as a preparation method and application thereof. The liquiritin gel is prepared from the following components in concentration: 0.1 weight percent to 2 weight percent of liquiritin, 0.1 weight percent to 4 weight percent of carbomer, 0.1 weight percent to 4 weight percent of water-soluble cellulose ether compounds and 1 to 10 mL / Kg of triethanolamine. Wherein liquiritin and the water-soluble cellulose ether compound are respectively used as a main thickening agent and an auxiliary thickening agent, a synergistic thickening system is more stable and more suitable for liquiritin compared with a single thickening system or other neutralization systems, and the liquiritin and the water-soluble cellulose ether compound can synergistically adjust viscosity; triethanolamine is used as a neutralizer to neutralize carboxyl of carbomer to form gel; carbomer and a water-soluble cellulose ether compound are cooperated according to a specific ratio and can be different from a single thickening system or different neutralization systems, so that the liquiritin gel with excellent film-forming property, proper flowability and high transdermal absorption efficiency is prepared.

The present disclosure provides a unit dose product comprising a pouch formed from a water-soluble film material; and a detergent composition comprising about 5 to about 20 wt % water, about 25 to about 65 wt % of at least one surfactant, at least one amino acid or a salt thereof, a base other than monoethanolamine (MEA) or triethanolamine (TEA), and a non-aqueous solvent, wherein the detergent composition is disposed within the pouch. The composition can further comprise additional components, such as an anti-redeposition agent, an enzyme, a bleaching agent, a bleach activator, a chelating agent, an additional chlorine scavenger, a biocide, an optical brightener, a bitterant, a corrosion inhibitor, or any combination thereof. The detergent composition in the unit dose product can scavenge chlorine to a concentration of 0 ppm in less than about 60 sec after contact with a 1 L water sample comprising up to 4 ppm chlorine.

The invention belongs to the technical field of photocatalytic hydrogen evolution, and particularly relates to application of a g-C3N4 / Al-SrMoO4 heterojunction photocatalyst in hydrogen evolution through photocatalytic decomposition of water. The preparation method comprises the following steps: uniformly dispersing a g-C3N4 / Al-SrMoO4 heterojunction photocatalyst prepared by using a high-temperature molten salt method and a high-temperature calcination method in a mixed solution of simulated seawater, triethanolamine and chloroplatinic acid, continuously introducing argon into a reactor to obtain a relatively vacuum environment, and carrying out photocatalytic decomposition of water to produce hydrogen under the irradiation of simulated sunlight. The g-C3N4 / Al-SrMoO4 heterojunction photocatalyst disclosed by the invention has better stability and light absorption characteristic, can effectively reduce the recombination of photo-induced electrons and holes and improve the photocatalytic activity, is low in raw material cost, mild in reaction condition and environment-friendly and pollution-free, and conforms to the currently advocated green and environment-friendly concept.

The invention relates to the field of metal powder material preparation, in particular to silver-coated copper powder with low-temperature sintering activity and a preparation method and application thereof.The preparation method comprises the following steps that copper powder, a reducing agent, a complexing agent composition and a silver plating solution are mixed and react, and the silver-coated copper powder is obtained; the complexing agent composition comprises at least two of ammonia water, triethylene tetramine, ethylenediamine, diethanol amine, benzimidazole, tartaric acid, nitrilotriacetic acid, ethylenediamine tetraacetic acid, disodium ethylene diamine tetraacetate, tetrasodium ethylene diamine tetraacetate and glycine. The preparation method disclosed by the invention is short in process flow, relatively low in cost, capable of keeping good batch stability and easy for industrial production; according to the obtained silver-coated copper powder, under the condition that the silver content is low, the completeness and compactness of a silver layer on the surface of the copper powder are good, the oxidation resistance is high, the service reliability of the silver-coated copper powder is improved, the production cost is saved, and the silver-coated copper powder further has good low-temperature sintering activity.

The invention belongs to the technical field of waterborne polyurethane, and discloses photo-thermal antibacterial, self-enhanced and self-healing vegetable oil-based waterborne polyurethane. The high-temperature-resistant polyurethane elastomer is prepared from a system consisting of the following raw materials in parts by weight: 80 to 120 parts of castor oil, 60 to 80 parts of dicyclohexylmethane diisocyanate, 20 to 40 parts of hexamethylene diisocyanate, 20 to 40 parts of N-methyldiethanolamine, 20 to 50 parts of protocatechuic acid, 2 to 10 parts of metal ions, 2000 to 3000 parts of water and 0.5 to 1 part of a catalyst. Metal ions in the photo-thermal antibacterial, self-enhanced and self-healing plant oil-based waterborne polyurethane and phenolic hydroxyl groups in protocatechuic acid are coordinated and self-assembled to form metal nanoclusters, and the waterborne polyurethane material has self-enhanced and self-healing properties due to a low-bond-energy coordination aggregation state structure; meanwhile, the waterborne polyurethane film is endowed with photo-thermal antibacterial performance by the metal nanoclusters. The invention further discloses a preparation method and application of the photo-thermal antibacterial, self-enhanced and self-healing plant oil-based waterborne polyurethane.

The invention belongs to the field of biomass gasification catalysts, and particularly relates to a preparation method of an energy-saving corrosion inhibition type decarburizing agent. According to the invention, under the action of the catalyst, ethylene carbonate and methylamine are adopted as basic raw materials to synthesize N-methyldiethanolamine, and then 1, 3-propane sultone is adopted to modify N-methyldiethanolamine, so that the carbon dioxide absorption amount and absorption rate of N-methyldiethanolamine are improved; the activating agent is added into the energy-saving corrosion-inhibition type decarburizing agent, so that the absorption rate of the decarburizing agent on carbon dioxide can be effectively improved, and the desorption energy consumption of the carbon dioxide is reduced; and the corrosion inhibitor is added, so that the corrosion of metal equipment can be effectively reduced.

The invention provides alcohol amine liquid, a device and a method for decarburization of high-dust gas, and belongs to the technical field of low-carbon metallurgical decarburization in the metallurgical industry. Wherein the alcohol amine liquid comprises alcohol amine, an activating agent, a flocculating agent, a defoaming agent and water; the alcohol amine is selected from one or more of primary alcohol amine, secondary alcohol amine, tertiary alcohol amine or sterically hindered alcohol amine; the activating agent is selected from one or more of piperazine, diethanol amine, diethylenetriamine and diisopropanolamine; the flocculating agent is an inorganic flocculating agent, an organic flocculating agent or a composite flocculating agent composed of the inorganic flocculating agent and the organic flocculating agent; the defoaming agent is a composite defoaming agent consisting of one or more of a non-silicon type, an organic silicon type, a polyether type and a polyether modified organic silicon type. According to the developed alcohol amine liquid, the high-dust gas is carried into the alcohol amine liquid, dust is removed, and the influence of the dust on bubbles is eliminated, so that decarburization treatment on the high-dust gas by using an alcohol amine decarburization method is realized.

Specifically, amine compounds such as monoethanolamine (MEA), diethanolamine (DEA), triethanolamine (TEA) and the like are used as catalytic promoters, on one hand, the carbonization rate can be increased, resource utilization can be enhanced, and on the other hand, by accelerating the carbonization process, the calcium-based solid waste carbonization rate can be increased, the calcium-based solid waste carbonization rate can be increased, and the calcium-based solid waste carbonization rate can be increased. Calcium-based solid wastes (carbide slag, steel slag, high-calcium fly ash and the like) can be quickly converted into useful carbonate products (such as calcium carbonate), so that the economic value of the calcium-based solid wastes is improved; on the other hand, environmental pollution can be reduced, and soil and water source pollution possibly caused in the landfill or stacking process is reduced by converting the carbide slag into stable carbonate.

The present application provides ursolic acid diethanolamine salt and ursolic acid morpholine salt. It also provides a composition comprising the salt, and a method of using the salt.

The present invention relates to the technical field of cosmetics, and in particular to a hair dye composition for preventing hair breakage, hypoallergenic and repairing, and a preparation method and application thereof. The composition is composed of agent A and agent B in a mass ratio of 1:0.8-1.5. The raw materials of agent A are hydrogen peroxide, glycerol, thickener, cetearyl alcohol polyether, sodium stannate, hydroxyethylidene diphosphoric acid and water. The raw materials of agent B are: p-phenylenediamine, sodium sulfite, triethanolamine, urea, Polygonum multiflorum extract, Acorus calamus extract, Nepeta tenuifolia extract, chelating agent, ascorbate, preservative, keratin, trehalose, 4-amino-2-hydroxytoluene, polyquaternium salt, squalane, arbutin, allantoin, bisabolol, emulsifier, polyglutamic acid, octadecyl alcohol, wheat germ oil and water. The hair dye of the present invention has a good hair dyeing effect, and has hypoallergenicity, and also has a good effect of preventing hair breakage and repairing hair quality.

The invention belongs to the technical field of sleep-aiding gels, and discloses a herbal sleep-aiding gel and a preparation process thereof, the gel comprises the following components: deionized water, propylene glycol, glycerol, carbomer 980 and triethanolamine; the mask is prepared from, by weight, 1.8% of lavender essential oil, chamomile extract, bitter orange flower essential oil, gamma-aminobutyric acid, melatonin, spina date seed extract, xylaria nigripes extract and phospholipid wall materials. Sodium chloride and azone; camphor and borneol; eDTA (Ethylene Diamine Tetraacetic Acid) disodium, phenoxyethanol and ethylhexylglycerin. The traditional Chinese medicine composition is suitable for people with sleep disorders such as long-term insomnia, difficulty in falling asleep, insomnia and dreaminess, easy awakening due to light sleep, restlessness and depression and the like; through the high transdermal absorption rate of a nano micro-capsule technology, in combination with a colloid double-electrode-layer structure, capacitance-like micro-current is generated, in cooperation with lavender-chamomile-bitter orange flower and other herbal essence and GABA and melatonin active ingredients, the sleep center is adjusted in a multi-channel mode, and the physical sleep-aiding scheme is a new physical sleep-aiding scheme for safely replacing a sleeping drug.

The invention discloses a mixed organic amine absorbent as well as a preparation method and application thereof. The absorbent consists of a main absorbent, an absorption enhancer, a regulator and a solvent, the mass ratio of the main absorbent to the absorption enhancer to the conditioning agent is (0.5-5.0): (0.2-4.0): 1.0; the total mass concentration of the main absorbent, the absorption enhancer and the conditioning agent is 30-50 wt%; the main absorbent is diethylenetriamine, the absorption enhancer is N-methyldiethanolamine, the conditioning agent is 2-amino-2-methyl-1-propanol, and the solvent is water. According to the invention, by compounding and regulating the proportion of the organic amines, the synergistic effect of different types of organic amines is fully exerted, so that the mixed organic amine absorbent has high cycle capacity, low regeneration energy consumption, low absorbent loss, good dynamic performance and other good carbon dioxide capture performance.

The invention relates to a copolymerized polyurethane material with a photo-electro-mechanical effect as well as a preparation method and application thereof, and belongs to the technical field of self-powered energy conversion. The preparation method comprises the following steps: S1, synthesizing bis (p-hydroxyethyl) azobenzene; s2, synthesis of azobenzene polyurethane is carried out; s3, synthesis of diethanol amine bromine salt; s4, synthesizing quaternary ammonium salt ionic liquid based polyurethane; s5, synthesizing azobenzene-quaternary ammonium salt ionic liquid copolymerized polyurethane; and S6, preparing the copolymerized polyurethane material. In the application which is prepared from the copolymerized polyurethane material and has the photoelectric effect, the quaternary ammonium salt ionic liquid is used for replacing imidazole ionic liquid, so that the influence of cytotoxicity of the quaternary ammonium salt ionic liquid can be effectively weakened or avoided, and the quaternary ammonium salt ionic liquid can be directly used as a nano-generator without polarization treatment and has better flexibility and ductility.

The invention relates to a degradable high-strength medical adhesive and a preparation method and application thereof.The medical adhesive is prepared from raw materials through reaction, the raw materials comprise a component A, a component B and a component C. The component A is trihydric alcohol and derivatives thereof and / or trihydric alcohol modified by polyethylene glycol carboxylic acid derivatives and derivatives thereof, and the component C is trihydric alcohol modified by polyethylene glycol carboxylic acid derivatives and derivatives thereof. The component B is isocyanate, amino acid or an amino acid derivative, and the component C is N-methyldiethanolamine and / or bis (2-ethoxyl)-N-methyl-N-trifluoromethyl ammonium iodide and a derivative of the bis (2-ethoxyl)-N-methyl-N-trifluoromethyl ammonium iodide; the molar ratio of-NCO groups in the component B to total-OH groups in the component A and the component C is 2: 1, and the molar ratio of the component A to the component C is (1-9): 2. The component A and the component C are mixed, heated and dissolved, then a catalyst and the component B are added, and a mixed reaction system is obtained; and cooling after the reaction is completed, adding a rheology modifier, a foaming catalyst and a stabilizer, and uniformly mixing to obtain the degradable high-strength medical adhesive which can be applied to a functional composite material.

The invention discloses a detection method for rapidly determining the main content of magnesium hydroxide and calcium oxide in the process of preparing high-purity magnesium hydroxide from salt lake bischofite, which comprises the following steps: determining the main content of magnesium hydroxide: weighing a proper amount of sample, dissolving with hydrochloric acid and fixing the volume to obtain a test solution; taking a proper amount of the test solution, adding triethanolamine to mask interfering ions, adjusting the pH value with an ammonia-ammonium chloride buffer solution, taking chrome black T as an indicator, and titrating the main content of magnesium hydroxide with an EDTA standard solution; and measuring the content of calcium in magnesium hydroxide: taking a proper amount of the test solution, adding triethanolamine to mask interfering ions, adjusting the pH value by using a sodium hydroxide solution, adding a proper amount of a calcium indicator, and titrating the content of magnesium calcium hydroxide by using an EDTA standard solution. The method is simple and easy to implement, can quickly and accurately analyze and detect the main content and the calcium oxide content in the magnesium hydroxide, can realize complete dissolution of the magnesium hydroxide, and does not artificially introduce a large number of impurity elements, so that the system error is reduced, and the detection quality is improved.

The invention provides a nano oil-water phase permeability regulator and a preparation method thereof. The nano oil-water phase osmotic adjusting agent is prepared from the following raw materials in percentage by mass: 1.5 to 3 percent of scleroglucan pre-crosslinked particles, 2.5 to 5 percent of nano modified acrylamide, 0.2 to 3 percent of initiator, 0.2 to 2 percent of formaldehyde, 0.3 to 5 percent of diethanol amine, 0.5 to 5 percent of hydrochloric acid and the balance of water. Due to the scleroglucan pre-crosslinked particles, the thermosensitivity and the biological environmental protection property of the gel are improved, and the performances of salt resistance, temperature resistance, durability and the like are improved. Meanwhile, nano-modified acrylamide is obtained by grafting and modifying the surfaces of SiO2 particles and introducing cationic links and hydrophilic groups by adopting a silane coupling method, so that the nano-modified acrylamide has the adsorption and film-forming effects of polymer gel and a nano material, and the effect that 1 + 1 is greater than 2 is achieved. After being heated by the formation temperature, the particles expand to take the effects of occupying space, blocking and controlling water. The oil-water relative permeability of an oil layer is improved, water plugging and oil plugging are achieved, and important significance is achieved for plugging and controlling water in the extra-high water cut period and improving the productivity of an oil well.

The invention relates to the technical field of paint removers, and particularly discloses a paint removal composition, a paint stain cleaning agent and application of the paint stain cleaning agent. The paint stain cleaning agent provided by the invention is prepared from the following components in parts by weight: 30 to 40 parts of EDTA-2Na (Ethylene Diamine Tetraacetic Acid), 200 to 300 parts of caustic soda flakes, 140 to 170 parts of sodium alcohol ether sulphate, 160 to 180 parts of sodium xylene sulfonate, 400 to 450 parts of monoethanolamine, 1100 to 1300 parts of diethylene glycol monobutyl ether, 250 to 300 parts of limonene, 40 to 100 parts of saponin extract and 3700 to 3900 parts of water, the saponin extract is selected from one or more of soapnut saponin, fenugreek saponin and aescin; the invention further provides a paint stain cleaning agent prepared from the paint removal composition and application of the paint stain cleaning agent to cleaning of protective clothing. The paint stain cleaning agent provided by the invention can quickly permeate into paint and the contact surface of the paint and protective clothing, so that the paint on the surface of the protective clothing is dissolved and effectively stripped.

The invention relates to a liquid detergent composition comprising a first surfactant selected from fatty alcohol ether sulfates, a second surfactant selected from betaines, optionally at least one solvent selected from ethanol, propanol, isopropanol, ethylene glycol, butyl glycol, propylene glycol, polypropylene glycol, alcoholamine, monoethanolamine, glycerol and mixtures thereof, wherein the salt concentration in the composition is about 0.2 to about 10 wt.-% and wherein the salt is selected from the group consisting of sodium salts such as sodium chloride, sodium sulfate, sodium formate, sodium acetate or sodium propionate, potassium salts such as potassium chloride, potassium sulfate, potassium formate, potassium acetate or potassium propionate, magnesium salts such as magnesium chloride, magnesium sulfate, magnesium formate, magnesium acetate or magnesium propionate, and calcium salts such as calcium chloride, calcium sulfate, calcium formate, calcium acetate or calcium propionate, and mixtures thereof, and wherein the composition is a concentrate that can be diluted with water while maintaining or increasing the viscosity.The present invention further relates to the use of such a cleaning composition for cleaning hard surfaces, in particular dishes, and to a process for preparing a cleaning composition, the process comprising diluting the concentrated liquid cleaning composition with water.

The invention provides a powerful heavy oil stain cleaning agent and a preparation method thereof, and belongs to the technical field of cleaning agents. The cleaning agent is prepared from the following components in percentage by mass: 70 to 90 percent of water, 0.2 to 1.0 percent of tetrasodium glutamate diacetate, 0.2 to 1.0 percent of coconut alkyl quaternary amine ethoxylate, 1.0 to 3.0 percent of C9-11 fatty alcohol-polyoxyethylene ether, 1.0 to 5.0 percent of fatty ether nonionic surfactant, 1.0 to 8.0 percent of polyol solvent, 1.0 to 5.0 percent of monoethanolamine, 0.5 to 2.0 percent of sodium hydroxide and 0.1 to 0.3 percent of essence. The powerful heavy oil stain cleaning agent is good in cleaning effect, small in damage to cleaned objects and good in environmental protection performance.

The invention relates to the technical field of biological medicines and vaccines, in particular to a nano-selenium modified liposome as well as a preparation method and application thereof. The nano-selenium modified lipidosome disclosed by the invention comprises a lipidosome and nano-selenium. Wherein the nano-selenium is modified on the surface of the liposome; the liposome is composed of cholesterol, phospholipid, and distearoyl phosphatidyl ethanolamine-polyethylene glycol 2000. The nano-selenium modified liposome can be suitable for different treatment scenes, becomes a multifunctional drug delivery platform, has the characteristics of long circulation, good biocompatibility, high drug loading rate, good stability, increase of retention time of a treatment drug in a body and the like, can be directly entrapped with an antigen, can also be cooperatively combined with a drug and a vaccine, and has a wide application prospect. The defects of low bioavailability, poor stability, toxic and side effects and the like of the existing medicinal preparation are overcome, and the immunotherapy effect is remarkably enhanced while the treatment medicine in the liposome is promoted to achieve a remarkable slow release effect.