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92results about How to "Good solubility and dispersibility" patented technology

Regulation and preparation method and application of multicolor fluorescent carbon dots

The invention provides a regulation and preparation method and application of multicolor fluorescent carbon dots. The preparation method of the fluorescent carbon dots comprises the steps that p-phenylenediamine with the certain mass is dissolved into secondary water, and subjected to ultrasonic blending, or ultrasonic blending is conducted after pH value of the solution is conditioned; the solution is transferred into a hydrothermal reaction still and reacts for 8-10 h at the temperature of 200-220 DEG C, the product is cooled to be at the room temperature and centrifugalized, the supernatantliquid is taken and subjected to dialysis treatment, and a pure carbon dot water solution is obtained; and the carbon dot water solution is freeze-dried, and the different fluorescence emitting carbon dots are obtained. The operation steps are simple, and the raw material does not need to be treated or modified through a surface passivation agent. The obtained carbon dots have the good solubilityand dispersibility in the water solution. The prepared carbon dot quantum yield is high, taking rhodamine B (the quantum yield in ethyl alcohol is 89%) as the reference substance, the quantum yield of the prepared carbon dots is usually between 7.4% and 13.6%, and the prepared fluorescent carbon dots can be applied to removal of free radicals and cell imaging.
Owner:SHANXI UNIV

Composite collector for low-and-medium-temperature phosphate flotation and preparation method thereof

Disclosed are a composite collector for low-and-medium-temperature phosphate flotation and a preparation method thereof. The composite collector is composed of 100 parts of carboxylic acid collector, 50-100 parts of hydrocarbon type oil, 1-10 parts of non-ionic surface active agent, 1-10 parts of anionic surface active agent and 80-200 parts of water, wherein the carboxylic acid collector serves as the main collector, the hydrocarbon type oil serves as the auxiliary collector, the non-ionic surface active agent serves as the synergist, and the anionic surface active agent serves as the emulsifier. The preparation method includes steps of uniformly mixing and stirring the components according to the proportion in the speed of 300-1500rad / min at the temperature ranging from 40DEG C to 80 DEG C to obtain the composite collector for low-and-medium temperature phosphate flotation. When in use of the composite collector, the composite collector is added into a pulp mixing barrel to be mixed with pulp sufficiently according to dosage directly, so that floatation can be carried out in a floatation trough at the normal temperature and the operation of heating to pulp is omitted. The composite collector has the advantages that better low-and-medium-temperature flotation effect can be achieved, bubbles generated by the composite collector are favorable for concentrate deposition, the chemical agent usage is small, raw materials for the composite collector are wide in sources, and the composite collector is moderate in price.
Owner:SHENYANG RES INST OF NONFERROUS METALS

Clean fracturing fluid and preparation method thereof

The invention discloses a clean fracturing fluid which comprises crude rubber fluid, viscosity accelerant and gel breaker, the crude rubber fluid comprises the following materials by mass percent: 0.1%-0.5% of hydrophobic association polyacrylamide, 0.05%-0.2% of organic acid, 0.1%-0.8% of clay stabilizer and the balance of water; the viscosity accelerant comprises the following materials according to mass percent: 0.05%-0.4% of alkyl amine oxide, 0.1%-0.5% of Gemini surfactant, 0.1%-1.0% of alkyl lower alcohol, 0.05%-0.4% of pH regulator, and the balance of water; the volume ratio of the crude rubber fluid to the viscosity accelerant is 100:(5-10), and the mass of the gel breaker is 0.005%-0.05% that of the clean fracturing fluid. The invention further provides a preparation method of the clean fracturing fluid. The long-term technical problems of high cost and poor temperature resistance performance of the clean fracturing fluid are solved.
Owner:XI'AN PETROLEUM UNIVERSITY

Essence oil microcapsules and preparation method thereof

The invention relates to the technical field of food processing, and especially relates to essence oil microcapsules and a preparation method thereof. The essence oil microcapsules are composed of the following materials: wall materials, a first emulsifier, a stabilizer, and buffer salt. The core of the essence oil microcapsules is composed of the following materials: core materials, and a second emulsifier. The wall materials are composed of the following components: a component A and a component B; the component A is maltodextrin and / or malt syrup; and the component B is whey protein isolate and / or soy protein isolate. The preparation method of the essence oil microcapsules is capable of obviously raising the oil contents of the essence oil microcapsules; and the oil contents of the prepared essence oil microcapsules can be up to 23-35% while the embedding rates are 90% or higher. The preparation method is simple in technology, and low in cost; moreover, the preparation conditions can be easily controlled. The prepared essence oil microcapsule products have good stability, as well as good solubility and dispersion performance. Thus, the essence oil microcapsules can be widely applied in the industries, including the health-care product industry, the pharmaceutical industry, and so on.
Owner:INFINITUS (CHINA) CO LTD

Method for preparing graft polymer containing carbon nano-tube

The invention relates to a process for preparing graft polymers containing carbon nano-tubes. The process comprises oxygenizing carbon nano-tubes with strong acid, getting carboxylic group on the surface of the carbon nano-tubes after acidizing, further reacting with alcohols after reacting with acylating agent, getting carbon nano-tube whose surface is provided with hydroxyl group, and then, an oxidation-reduction initiation system is combined by ceric ion and the carbon nano-tube whose surface is provided with hydroxyl group under acidic condition, leading vinyl monomers to polymerize, realizing grafting polymer chains on the surface of the carbon nano-tube, and getting graft polymers which contain the carbon nano-tube. The structure of the carbon nano-tube is specifically changed after grafting, dissolution and dispersion properties of the carbon nano-tube are greatly improved, and the carbon nano-tube can be well dispersed into plastic and fiber, which can be used to prepare film material with high intensity, fiber with high performance and the like, and the carbon nano-tube itself can be dissolved in organic solvent to be electrically spun into silks. The invention can be applied in the field such as plastic, fiber modification, spinning and the like.
Owner:QINGDAO UNIV

Technology for preparing almond oil and almond protein powder

The preparation for almond oil in this invention introduces advanced and no pollution pure cold squeezing method, and also uses pure physics method in lipidic refining with no any chemicals, and is for its special flavor and taste, which will have very bright market outlook. Besides, taking decortication processing for almond before pressing oil to let cake dregs of almond after pressing oil with light color, will provide advantage to preparation for almond albumen powder. The technique for almond albumen powder is that after acting and forming uniformly emulsion for albumen powder, other raw materials and some fixed quality emulsifying agent, spraying and drying, then gaining powder product with complex material as out layer and grease inner layer. The product gains from this technique solution excellent dispersibility, emulsibility and stability, which makes the product can be in storage for a long term.
Owner:新疆大德恒科技有限公司

Ilmenite chelation collecting agent

The invention discloses an ilmenite chelation collecting agent, and relates to a beneficiation reagent in the mineral processing process, in particular to an ilmenite flotation collecting agent. The ilmenite chelation collecting agent is characterized in that the ilmenite chelation collecting agent is prepared through compounding of hydroxy fatty acid, alkane sulfonate, carboxylic hydroximic acid, a surface active agent and a foaming agent and through saponification synthesis. The ilmenite chelation collecting agent is suitable for flotation of low-grade ilmenite, and high-grade rough titanium concentrates with the high recovery rate can be obtained. In the chelation collecting agent, the carboxylic hydroximic acid is obtained through chemical modification and is mixed and compounded with the hydroxy fatty acid, the alkane sulfonate, the surface active agent and the foaming agent, the solubleness, the dispersibility and the selectivity of the collecting agent can be greatly improved through the saponification reaction, and therefore flotation of the low-grade ilmenite is achieved. In addition, the collecting agent is high in collecting force, good in selectivity and environment-friendly and has good market popularization value.
Owner:BEIJING GENERAL RES INST OF MINING & METALLURGY

Method for determining content of water in sample in process of preparing composite solid propellant

The invention provides a method for determining the content of water in a sample in a process of preparing a composite solid propellant. The content of the water in the sample is measured by adopting a Karl-Fischer moisture meter; when a sample solution is prepared, the sample is dissolved and dispersed by adopting trichloromethane; when the content of the water in the sample is determined, the sample solution is further dispersed by a titration solvent of methyl alcohol and trichloromethane without causing agglomeration, thus the sample feeding problem is solved; a reagent for dissolving and dispersing the sample does not react with a Karl-Fischer reagent or the reaction between the reagent and the Karl-Fischer reagent is interfered. According to the method, the content of the water is determined, the water in the sample can be rapidly determined, the determination time can be controlled to be within 20 min, a testing result is accurate, online detection can be realized, and excellent popularization and application values are achieved.
Owner:HUBEI SANJIANG AEROSPACE JIANGHE CHEM TECH

Environment-friendly water-based cleaning agent for printed circuit boards

The invention discloses an environment-friendly water-based cleaning agent for printed circuit boards. The environment-friendly water-based cleaning agent is composed of, by weight, 45-50% of alcohol ether, 20-25% of a solubilizer, 1-2% of alkylamine, 1-2% of a gemini surfactant and 21-32% of deionized water, wherein the sum of the weight percentages is 100%. The environment-friendly water-based cleaning agent is effective in cleaning of residual flux, metal ions, granular pollutants, nonpolar and polar residues and the like on surfaces of the printed circuit boards and is free of phosphorus containing compounds, toxicity and corrosion, safety, environment friendly and extensive in application range.
Owner:FUZHOU UNIVERSITY

Petroleum sulfonate compounded system for oil displacement and preparation method thereof

The invention relates to a compound adjustment method of petroleum sulfonate, which provides a petroleum sulfonate compounded system for oil displacement, which ensures that lamination does not occur when a product is laid within 30 days at normal temperature and a preparation method of the petroleum sulfonate compounded system. The system takes petroleum distillate oil as raw material, takes gaseous sulfur trioxide, liquid sulfur trioxide or fuming sulfuric acid as sulfonating agent, takes petroleum sulfonate, the active matter content of which is larger than 28 percent, formed by neutralizing ammonia or sodium hydroxide as a base, and is formed by adding dodecyl benzene sulfonic acid, heavy alkyl benzene sulfonic acid, alpha-olefin sulfonic acid, alkali or water. The system comprises the following components by mass: 40 to 90 percent of petroleum sulfonate, 0 to 20 percent of dodecyl benzene sulfonic acid, 0 to 20 percent of heavy alkyl benzene sulfonic acid, 0 to 10 percent of alpha-olefin sulfoacid, 0 to 30 percent of alkali and 0 to 40 percent of water. By adopting the technical scheme, the adaptability of petroleum sulfonate products in an oil field is improved, the product stabilizing capacity is enhanced, and the production process of the petroleum sulfonate is simplified.
Owner:胜利油田中胜环保有限公司

Emulsion type crude oil viscosity-reduction drag reduction agent applied to high-wax-content pure oil pipe transportation

The invention relates to an emulsion type crude oil viscosity-reduction drag reduction agent applied to high-wax-content pure oil pipe transportation. The emulsion type crude oil viscosity-reduction drag reduction agent mainly solves the problems that in the prior art, wax crystallization of a pipe network exists and wax asphaltene deposition of a pipe wall are serious in winter, and consequently the pipe transportation capability is greatly lowered, and safety transportation of crude oil is affected by return pressure rising. The emulsion type crude oil viscosity reduction and drag reduction agent is prepared from, by weight, 20-30% of macromolecule terpolymer, 20-35% of polyolefin drag reduction agent, 20-40% of higher alcohol, 5-10% of compound emulsifier and 1-5% of emulsion stabilizer. The emulsion type crude oil viscosity-reduction drag reduction agent can be rapidly dissolved into crude oil, so that the viscosity of the crude oil is reduced, the friction resistance of the crude oil is reduced, return pressure is reduced, and the pipe transportation capability is improved.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2

Thiophene compound having sulfonyl group and process for producing the same

A thiophene compound having sulfonyl groups which is represented by the formula [1]. It has high heat resistance and high unsusceptibility to oxidation and can improve solubility and dispersibility in various solvents.[In the formula, R1 and R2 each independently represents hydrogen, halogeno, cyano, etc.; and R3 and R3′ each independently represents C1-20 alkyl, C1-20 haloalkyl, phenyl optionally substituted by W, thienyl optionally substituted by W, etc. (W represents chlorine, etc.).]
Owner:NISSAN CHEM IND LTD

Photocuring nano hybrid material, and synthesis method and application thereof

The invention relates to a photocuring nano hybrid material with photocuring reactive groups, and preparation and application thereof. Siloxane with photocuring reactive groups (also called photosensitive groups) is subjected to hydrolytic polycondensation under proper conditions to obtain the photocuring nano hybrid material with photocuring reactive groups. The photocuring nano hybrid material contains abundant photocuring reactive groups, has favorable solubility and dispersity, can effectively improve the curability of the photocuring paint, and can also effectively improve the mechanical properties of the photocuring paint.
Owner:BEIJING UNIV OF CHEM TECH

Metal antirust compound containing oil-soluble polyaniline and application thereof

The invention relates to a metal antirust compound containing oil-soluble polyaniline and application thereof. The invention is characterized in that the antirust compound comprises, expressed in mass percentages, 5 to 30% of oil-soluble polyaniline, 10 to 40% of dodecenylsuccinic acid and 40 to 80% of barium petroleum sulfonate. When the antirust compound provided by the invention is added into a lubricant base oil or / and mineral spirit, the antirust compound has good dissolvability and realizes phase-free separation, a solution system is uniform and stable, a lubricant anti-rust oil, or a solvent dilution type anti-rust oil not containing a film forming agent or a hard-film anti-rust oil can be prepared, and the formed anti-rust oils have the advantages of a small total addition amount, low viscosity and a good antirust effect, in particular, protruding salt mist prevention performance; when the total addition amount of the antirust compound is within 9%, antirust periods of the prepared lubricant anti-rust oil, the solvent dilution type anti-rust oil not containing a film forming agent and the hard-film anti-rust oil under a salt mist condition are greater than 6 d, greater than 11 d and greater than 31 d, respectively, and antirust periods the above-mentioned anti-rust oils under damp and hot conditions are all greater than 60 d.
Owner:PETROCHINA CO LTD

Plant leaf fertilizer prepared by natural tea saponin powder

The invention discloses a plant leaf fertilizer. The plant leaf fertilizer is prepared by the following components in percentage by weight: 12-15% of tea saponin powder, 45-50% of potassium citrate, 35-40% of industrial zinc sulphate, and 0.8-1.3% of ammonium molybdate. The plant leaf fertilizer disclosed by the invention has the advantages of good solubility and dispersibility, low cost, strong pertinence and good application effect.
Owner:HANGZHOU CHOISUN BIO TECH CO LTD

Combined collecting agent for improving production index of carbonous gold ore and application of combined collecting agent in floatation of carbonous gold ore thereof

ActiveCN108940603AEnhanced selective harvestingIncrease solubility and dispersibilityFlotationKeroseneMetal
The invention belongs to the field of metal mineral separation and provides a combined collecting agent for improving production index of carbonous gold ore and application of the combined collectingagent in floatation of carbonous gold ore thereof. The combined collecting agent comprises, by weight, 3-6 parts of a collecting agent J-622, 2-3 parts of ammonium dibutyl dithiophosphate, 0.5-1 partof kerosene and 0.5-1 part of octaphenyl polyoxyethyiene (OP)-10. The floatation comprises the steps that ore grinding is conducted first; sodium hydroxide as a regulator and MFA as a water purifyingagent are added, and size mixing is conducted; an activator and a collecting agent are added, rapid floatation is conducted, and concentrated gold ore 1 and roughing tailings are acquired; regrindingis conducted on the roughing tailings, and the water purifying agent, MFA, is added when regrinding is conducted; and then floatation is conducted, and concentrated gold ore 2 and tailings are acquired. The concentrated gold ore 1 and the concentrated gold ore 2 serve as qualified concentrated gold ore products. According to the combined collecting agent, the aid-dispersion mechanism is utilized;dissolution dispersity of medicament in an ore pulp is increased; consumption of the collecting agent is reduced by a large margin; collecting capacity of gold is improved greatly; the cost of medicament is lowered; and economic benefits of enterprise production is improved.
Owner:NORTHWEST RES INST OF MINING & METALLURGY INST

2,4-D dimethylamine salt soluble granule and preparation method for soluble granule

The invention discloses a 2,4-D dimethylamine salt soluble granule which comprises the following components in percentage by weight: 10-98 percent of 2,4-D dimethylamine, 0.1-15 percent of an adhesive, 0.1-5 percent of a synergist and the balance being filler. A preparation method for the 2,4-D dimethylamine salt soluble granule comprises the following steps of mixing 10-98 percent of the 2,4-D dimethylamine, 0.1-15 percent of the adhesive, 0.1-5 percent of the synergist and the residual filler for granulation, and drying granulated granules. The preparation method is reliable; the obtained 2,4-D dimethylamine salt soluble granule is high in particle strength and high in dissolve dispersion performance; compared with a 2,4-D dimethylamine salt water agent, the 2,4-D dimethylamine salt soluble granule has the advantages of convenience in use and transportation and safety and stability in storage.
Owner:荆州沙隆达控股有限公司

Rust-proof cleaning agent and application thereof to hardware products

The invention discloses a rust-proof cleaning agent and an application thereof to hardware products. The rust-proof cleaning agent comprises a compound builder, a compound anti-rust agent, a surfactant, a sterilizing preservative, a defoaming agent, water and the like. The rust-proof cleaning agent has good lubricating, permeating, emulsifying and dispersing functions and has a washing performancefor animal and plant oil and mineral oil, the cleaning agent can be blended and diluted by deionized water according to rust-proof cleaning process requirements, and the technical requirement of enterprises for cleanliness quality of various universal mechanical parts and hardware products in the manufacturing process. The rust-proof cleaning agent cannot corrode equipment and workpieces in the use process, cannot foam or combust, is free from unpleasant pungent odor, strong in microbial reproduction resistance, long in use cycle and not easy to stink and deteriorate, and the products cleanedby a joint cleaning device are free from rusting after being suspended and exposed in inter-processes for more than 7 days.
Owner:GUANGZHOU YUEHUI METAL MACHINERY PROTECTION TECH +2

Antibacterial lubricant and preparation method thereof

The invention relates to an antibacterial lubricant and a preparation method thereof. The antibacterial lubricant comprises the following raw materials in parts by weight: 36-40 parts of tea oil, 12-14 parts of polydimethylsiloxane, 24-30 parts of cellulose ether, 12-15 parts of graphite, 20-30 parts of glycerin monostearate, 5-8 parts of dilinoyl palmitoyl glyceride, 15-26 parts of polyacrylamide, 20-24 parts of polyethylene glycol and 30-34 parts of glycerol. By means of reasonably compounding the tea oil and other additives, the lubricating performance of the lubricant is effectively improved. Meanwhile, since glycerin monostearate and polyethylene glycol are mixed to achieve good dissolving dispersibility to other additives, the lubricating performance of the lubricant is effectively improved.
Owner:珠海美合科技股份有限公司

Process for refining chemical grade isoprene into polymer grade isoprene

A method for refining chemical-grade isoprene into polymer-grade isoprene, comprising: 1) extracting and rectifying chemical-grade isoprene in the presence of a solvent, dimethylformamide, to remove heavy component impurities; 2) The isoprene extracted and rectified is then rectified to remove light component impurities to obtain polymer grade isoprene. A polymerization inhibitor is added to the extractive distillation system, and the components of the polymerization inhibitor include A, B and C, wherein: A is piperidine oxygen free radical and / or nitrophenol, B is diethylene glycol monomethyl ether and / or Diethylene glycol monobutyl ether, C is N,N-disalicylidene-1,2-propanediamine or N-salicylamide phthalimide, in parts by weight, when A=10, B=5 ~20, C=0.2~0.8. Compared with the prior art, the present invention has the advantage that the comprehensive performance of the polymerization inhibitor is greatly improved by adding an auxiliary component to the polymerization inhibitor used in the refining process to improve the solubility and dispersibility of the polymerization inhibitor component and to inhibit metal corrosion.
Owner:CHINA PETROLEUM & CHEM CORP +1

Oleic acid-lanthanum trifluoride-graphene compounded lubricating oil antiwear agent and preparation method thereof

The invention discloses a preparation method of an oleic acid-lanthanum trifluoride-graphene compounded lubricating oil antiwear agent, belonging to the technical field of lubricating oil. The preparation method comprises the following steps: firstly adding ammonium fluoride and graphene oxide into an ethanol aqueous solution, then adding a lanthanum nitrate solution drop by drop therein under a condition of 60 to 100 DEG C for 2.5 to 3.5h, then adding 120ml of saturated ethanol solution, which contains 4ml of oleic acid, then filtrating 3h later, washing repeatedly by using deionized water and ethanol, and finally drying at 80 DEG C for 12h to obtain the oleic acid-lanthanum trifluoride-graphene compounded lubricating oil antiwear agent. The lubricating oil antiwear agent disclosed by the invention has excellent heat stability and chemical stability, and can prevent oxidation and reaction with metal and the like in hot environment; meanwhile, the lubricating oil has the advantages of being more excellent in stability, lubricating property, oxidation resistance, wear-resisting and anti-friction performance and the like; and the antiwear agent can be widely applied to various mechanical antifriction and wear-resistant fields such as vehicles, boats, tracks and the like.
Owner:SICHUAN CARBON WORLD TECH CO LTD

Dragon fruit full-fruit powder and preparation method thereof

The invention discloses a preparation method for a dragon fruit full-fruit powder. The preparation method comprises the following steps of: (1) carrying out cleaning and splitting: cleaning a dragon fruit, and performing draining and splitting to obtain dragon fruit pulp and peel; (2) shredding and pulping dragon fruit peel: slicing the peel, adding a softening color protection liquid, and performing stirring, mixing and pulping to obtain a peel thick liquid; (3) carrying out softening and extraction: heating the peel thick liquid, performing extraction, and performing cooling to obtain a peelextraction solution; (4) carrying out pulp pulping: taking the pulp, adding an edible antioxidant, and performing pulping to obtain a pulp thick liquid; (5) carrying out mixing, regulating and grinding: evenly mixing the dragon fruit peel extraction solution and the pulp thick liquid, regulating the pH, and carrying out ultra-fine smashing to obtain a full-fruit ultra-fine thick liquid; and (6) carrying out vacuum degasification, homogenizing and drying: carrying out degasification, homogenizing and drying to obtain a dragon fruit full-fruit powder product. The method has a low cost, the obtained product has a good flavor, has a long expiration date at normal temperature, keeps and fully utilizes nutrient and active ingredients, has an outstanding health care function, a high raw materialuse ratio, a high coarse fiber content and good dissolving reconstitution properties and is mechanical.
Owner:武汉市吉人实业有限责任公司

Papermaking fiber dispersing agent and preparation method therefor

The invention discloses a papermaking fiber dispersing agent. The papermaking fiber dispersing agent comprises the following components in parts by weight: 20-40 parts of polymerizable organic acid monomers containing carboxyl, 30-40 parts of an alkali liquor, 10-20 parts of amide and 0.02-2 parts of a foaming agent. The invention also discloses a preparation method of the papermaking fiber dispersing agent. Through the addition of the foaming agent into the materials, a structure of countless micropores is formed in a colloid under the effect of reaction heat, so that the dissolution rate is quickened and the dissolution dispersibility is improved during dissolution; in addition, the PH value in the reaction is 7.0-8.5, the alkalinity is beneficial for increase of polymer molecules in linear direction, and the preparation method is easy in operation and high in stability; and moreover, polymerization can be triggered under a low temperature by using an azo-redox initiation system, and the reaction is smooth and steady, so that the increase of a molecular chain is facilitated, and the obtained polymer is high in molecular weight, narrow in molecular weight distribution and extremely low in monomer residual.
Owner:JIANGMEN GAOLIYI TECH IND

Cuminum cyminum water-solubility essential oil and preparation method thereof, as well as application of essential oil to processing of textured soybean protein products

The invention discloses cuminum cyminum water-solubility essential oil and a preparation method thereof, as well as application of the essential oil to processing of textured soybean protein products, wherein the preparation method of the cuminum cyminum water-solubility essential oil comprises the following steps: (1), performing supercritical extraction to prepare cuminum cyminum essential oil; (2), preparing the cuminum cyminum water-solubility essential oil by emulsification of soybean phospholipids. A method for processing the textured soybean protein products comprises the following steps: uniformly mixing bean pulp, vital gluten, protein isolate and bean dregs, extruding through double screw rods, marinating, adding cuminum cyminum water-solubility essential oil to season, packing and sterilizing, so as to obtain the textured soybean protein products. The invention has the beneficial effects: (1), the extraction rate of the cuminum cyminum essential oil is up to 96%, so that the costs of raw materials are reduced; (2), the cuminum cyminum water-solubility essential oil is high in edible safety and dissolution dispersity; when the cuminum cyminum water-solubility essential oil is added during processing of the textured soybean protein products, not only are product flavors distributed uniformly and deeply, but also later-period re-seasoning working procedures are reduced; (3), the content of diet fibers in the textured soybean protein products is up to 6%.
Owner:吉林福瑞德食品有限公司

High-soluble soybean peptide dry powder and preparation method thereof

The invention relates to the technical field of soybean peptide products, in particular to a preparation method of high-soluble soybean peptide dry powder. The preparation method of the high-soluble soybean peptide dry powder includes: enzymatically hydrolyzing soybean protein isolate to obtain soybean peptide solution, and drying and granulating the soybean peptide solution to obtain soybean peptide dry powder; drying includes spray drying and then roller drying, and granulating includes granulating via hot blast eddy circulation during roller drying. The soybean peptide dry powder has good solubility and dispersity in water and is free of clustering or knotting, and an obtained solution is uniform, tender and clear. The preparation method provided herein enables low and stable water content for the soybean peptide dry powder through repeated drying and granulating and also enables good solubility and dispersity for the soybean peptide dry powder, obtained particulate powdered soybean peptide is large in particle size, dusts rarely and is more convenient and safer to use and easy to control.
Owner:刘新旗 +1

Real silk dry cleaning agent

The invention discloses a real silk dry cleaning agent. The real silk dry cleaning agent comprises the following components in parts by weight: 70-99 parts of deionized water, 0.1-3 parts of a novel environmentally-friendly dispersant, 0.1-2 parts of a wetting agent, 1-5 parts of a solubilizing agent, 0.05-2 parts of a green chelating agent, 1-5 parts of an auxiliary agent and 0.02-0.5 part of a preservative, wherein, the novel environmentally-friendly dispersant is N-dimethyl enamine. According to the real silk dry cleaning agent disclosed by the invention, the original expensive and complicated cleaning mode is broken through; the simple, rapid and effective removal of local stains is realized; meanwhile, the original quality and appearance of the real silk fabric are protected; and theproduct is green and environmentally-friendly, biodegradable and suitable for civilian use.
Owner:HUANGBAO TECH SHANGHAI +2

Synthesis method of MCM-22 family molecular sieve

The invention discloses a synthesis method of an MCM-22 family molecular sieve. The method is characterized by comprising the steps of: adding a dilute acid water solution into a hexamethyleneimine template agent; adding a silicon source, an aluminium source, an alkali source, water and an acidified template agent (R) in proportion so as to prepare gel; conducting hydrothermal crystallization, opening a valve under constant temperature, carrying out pressure reduced evaporation to the molecular sieve slurry, recovering the liquid mixture and the template agent; adding a cold dilute acid watersolution into the residual slurry, and opening the kettle when the temperature of the residual slurry drops below 50DEG C, performing filtration so as to obtain a solid product, thus obtaining a MCM-22 family molecular sieve finally. With the method provided in the invention, the template agent no longer volatizes, and damage to the human body can be avoided. Meanwhile, stability of the synthesisformula and quality of the molecular sieve is guaranteed. When the template agent is acidified into a salt, the dispersibility is greatly increased, and the obtained MCM-22 family molecular sieve hasa uniform crystal phase as well as a high degree of crystallization. After crystallization, the synthesis slurry is subjected pressure reduced evaporation and the template agent is recovered. After acidification, the recovered template agent can be used for MCM-22 family molecular sieve synthesis again.
Owner:DALIAN UNIV OF TECH

Yellow fluorescent carbon dot as well as preparation method and application thereof

The invention discloses a carbon dot capable of emitting yellow fluorescence as well as a preparation method and application of the carbon dot. The carbon dot is a yellow fluorescent carbon dot prepared from ethylene glycol-bis(2-aminoethylether)tetraacetic acid (EGTA) and p-phenylenediamine as raw materials through a one-step hydrothermal method. The preparation method of the carbon dot is simpleand convenient, and the prepared carbon dot has extremely small size, good water solubility and excellent light stability. Due to the unique surface structure of the carbon dot, tetracycline antibiotics can be rapidly and sensitively detected in a label-free manner by taking the carbon dot as a fluorescent probe. When the tetracycline antibiotics exist, fluorescence of the carbon dot is effectively quenched by the tetracycline antibiotics, and the content of the tetracycline antibiotics in a sample can be detected according to the change degree of the fluorescence. Compared with a traditionalmethod, a method for detecting the tetracycline antibiotics in the invention is simple, convenient and rapid, does not need additional modification markers, can directly detect samples, and has moreadvantages in practical application.
Owner:SHANXI UNIV

Preparation method of glycosylated corn protein polypeptide carried xanthophyll nanoparticles

The problems that zein is easy to aggregate in water, poor in solubility, low in lutein loading efficiency, poor in dissolution controlled release effect and the like are solved. The preparation method of the glycosylated corn protein polypeptide carrying xanthophyll nanoparticles comprises the following steps: 1, carrying out enzyme hydrolysis on zein to obtain corn protein polypeptide with specific molecular weight; 2, preparing a corn protein hydrolyzed polypeptide subjected to glycosylation modification; and 3, preparing the high-load xanthophyll nanoparticles by taking the glycosylated corn peptide as a carrier. The invention has the advantages that: 1, the carrying and controlled release performance of the corn protein on the xanthophyll is improved; 2, the structural stability and digestion release property of the xanthophyll are improved; and thirdly, the nutrition safety is high, and the nutritional value of the fat-soluble lutein component can be improved. The preparation method of the modified corn polypeptide-xanthophyll nanoparticles has the advantages of high embedding efficiency on active ingredients such as fat-soluble xanthophyll, good dissolution dispersibility and strong nutrition functionality.
Owner:QIQIHAR UNIVERSITY
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