284 results about "Acide succinique" patented technology

The invention discloses a method for constructing an atrial fibrillation small animal model through succinic acid induction and application, and the method comprises the following steps: in an animal model construction period, enabling a small animal to ingest an aqueous solution containing succinic acid or all pharmaceutically acceptable salts of succinic acid every day, and finishing the modeling period to obtain the animal model. Compared with a traditional angiotensin AngII administration method, the atrial fibrillation small animal model has the advantages that the cost of a medicine for constructing the animal model is lower, the economic benefit is higher, and the atrial fibrillation induction effect is better; the model represents the most common atrial fibrillation type in clinic, and compared with an acute transient atrial fibrillation model, the research and application range is wider; compared with tail vein injection, intraperitoneal injection, subcutaneous pump burying and other modes, the non-creative model has the advantages that damage to small animals is smaller, and the requirement for the operation technology is low.

The invention relates to the technical field of oil-containing waste treatment and resource utilization, in particular to a water-based oil sludge stripping-split-phase recycling integrated treatment method. According to the method, polyepoxysuccinic acid grafted quaternary ammonium salt chitosan is adopted as a stripping agent, and oil stains are stripped from a solid phase through ultrasonic treatment to form emulsion; the core of the method is that a temperature-sensitive response type flocculating agent, namely polyisopropylacrylamide grafted chitosan, is added during gradient heating, and the auxiliary agent is converted from hydrophilic to hydrophobic after being heated, so that efficient demulsification is realized, and oil-water-solid three-phase separation is promoted. Through the synergistic effect of the two assistants, the technical problem that the emulsion is stable and difficult to separate after stripping is solved, closed cycle of the treated water phase is realized, and high efficiency, environmental protection and economic benefits are achieved.

The application relates to the technical field of soil remediation, and particularly discloses a composite soil remediation agent, a preparation method and application thereof.A composite soil remediation agent comprises modified calcined oyster shell, plant biomass carbon, bone charcoal, compost, microbial preparation and ferrous sulfide; the preparation of the modified calcined oyster shell comprises the following steps: crushing, calcining oyster shell, and then adding a modified solution prepared from urea, rhamnolipid, iminodisuccinic acid tetrasodium and sodium dodecylbenzenesulfonate to modify the calcined oyster shell, so that the modified calcined oyster shell is obtained.The composite soil remediation agent can effectively adsorb and fix heavy metals in slightly heavy metal contaminated soil, reduce the mobility and bioavailability of the heavy metals, and thus reduce the harm of the heavy metals to soil and crops.

A diesel fuel composition including (a) a quaternary ammonium salt additive; and (b) one or more nitrogen-free detergents; wherein the quaternary ammonium salt additive includes the quaternised reaction product of a hydrocarbyl substituted succinic acid derived acylating agent and a compound able to react with said acylating agent and which includes a tertiary amine group; wherein each molecule of the hydrocarbyl substituted succinic acid derived acylating agent includes on average at least 1.2 succinic acid moieties.

The present invention relates generally to methods and compositions useful for cosmetic purposes and include compositions comprising niacinamide, resveratrol, boron nitride, and / or aluminum starch ctenylsuccinate.

A PVA-free laundry sheet and a preparation method therefor. Raw materials of the laundry sheet comprise by parts by weight: 5-15 parts of cellulose, 10-30 parts of sodium dodecyl sulfate, 5-20 parts of sodium α-olefin sulfonate, 5-20 parts of sodium dioctyl sulfosuccinate, 5-10 parts of cocamidopropyl betaine, 2-10 parts of glycerol, and 0.1-2 parts of a chelating agent. The viscosity of the cellulose is 100-1000 mpa•s. The cellulose having a specific viscosity is used as a binder, and is mixed with a surfactant having specific components to prepare the laundry sheet.

The present invention refers to an iron (III) caseinsuccinylate characterised by a content of iron comprised between 4.5 % and 7 % by weight, and by a solubility in water approximately greater than 92%. :The present invention further refers to a method for preparing iron (III) caseinsuccinylate.

SOLVENT COMPOSITIONS The present invention relates to a solvent composition for solvent-based paints or other coatings characterized in that it comprises a combination of dimethyl glutarate and at least one other compound selected from isobutyl acetate, ethyl lactate, dimethyl 2-methylglutarate, 2-methyltetrahydrofuran, ethyl acetate, cyclopentyl methyl ether, dithoxymethane, dimethyl carbonate, dimethyl succinate, benzyl alcohol, dimethyl adipate, and glyceryl triacetate. Fig. 1

The application provides a low pour point nonionic surfactant and a preparation method thereof, which is composed of the following raw materials in parts by weight: C13 isomeric fatty alcohol polyoxyethylene ether 18-30 parts, reverse EO / PO block copolymer 10-20 parts, sodium diisooctyl sulfosuccinate 1-7 parts, sodium dodecyl sulfonate 1-5 parts, glyceryl laurate 1-5 parts, isopropyl alcohol 5-10 parts, and propylene glycol 1-5 parts; the formula is constructed based on a nonionic surfactant as a main body, ion surfactants and additives are introduced, and the system is optimized, so that a low pour point nonionic surfactant with excellent adsorption capacity and decontamination capacity is obtained.

This invention discloses a method for preparing piperine starch microcapsules with sustained-release properties, belonging to the field of food processing technology. Using piperine as the core material, oleic acid as the oil phase carrier, and PG 2000 type octenyl succinate starch ester as the wall material, sustained-release piperine microcapsules are prepared through oil phase preparation, aqueous phase preparation, high-speed shearing, high-pressure homogenization, and spray drying. The microcapsules prepared by this invention have high encapsulation efficiency, small and uniformly distributed reconstituted particle size, and a stable system that is not prone to sedimentation. This allows for the slow and continuous release of piperine in simulated gastrointestinal fluid, significantly improving its poor water solubility, low stability, and low bioavailability. The resulting product can be widely used in the food, health product, and pharmaceutical fields.

The invention belongs to the technical field of oil sludge separating agents, and particularly provides an oil sludge separating agent and an oil sludge separating method.The preparation method comprises the following steps that propylene glycol block polyether, a coagulant and an oil trapping agent are mixed and stirred, and the oil sludge separating agent is obtained; the preparation method of the oil trapping agent comprises the following steps: S01, taking polycaprolactone, adding acetone, and carrying out heating dispersion to obtain a solution A; s02, hydroxypropyl-beta-cyclodextrin and propyl gallate are taken, heated, added with water and stirred, then pH is adjusted, ethylenediamine disuccinic acid is added, stirring continues, and a solution B is obtained; and S03, dropwise adding the solution A into the solution B, maintaining stirring until the solution is completely mixed, then performing rotary evaporation, and collecting solid components, thereby obtaining the product. The total deoiling rate of the oil sludge treated by the oil sludge separating agent and the separation method is greater than or equal to 92.5%.

The invention relates to treatment agents for keratin fibers, in particular for hair, for enhancing the fiber structure, containing, in a cosmetically acceptable carrier, the combination of succinic acid and citric acid in selected amounts and weight ratios to each other in combination with at least one active ingredient selected from epsilon-polylysine. The invention also relates to a method for enhancing the fiber structure of keratin fibers using said treatment agents, and to the use of agents containing the combination of succinic acid and citric acid in selected amounts and weight ratios to each other, in combination with at least one active ingredient selected from epsilon-polylysine, for enhancing the fiber structure of keratin fibers.

This invention proposes a combined inhibitor for separating bastnaesite and monazite, along with its method and application. The raw materials for the combined inhibitor include small organic molecules and microbial polysaccharides; the small organic molecules include one or more of oxalic acid, malic acid, tartaric acid, lactic acid, succinic acid, and citric acid; the microbial polysaccharides include one or more of currant gum, guar gum, xanthan gum, and gellan gum. This invention achieves highly selective inhibition of monazite on the mineral surface through the synergistic adsorption and action of the inhibitor, with small organic molecules and microbial polysaccharides as the main components, thereby efficiently separating bastnaesite under mild flotation conditions. It offers advantages such as good selectivity, strong action, low reagent cost, and environmental friendliness.

The invention relates to hair conditioning compositions with a combability-improving effect, containing cetyl palmitate in combination with a conditioning agent selected from cationized polygalactomannans from Senna spp., in particular from Senna tora or Senna obtusifolia, and ethylenediamine-N,N'-disuccinic acid (salts) or at least one alkali metal salt or ammonium salt of this acid.

The invention relates to a water-based asphalt cleaning agent and a preparation method thereof, and belongs to the technical field of environment-friendly cleaning agents. The cleaning agent is prepared from the following components in percentage by mass: 3.5 to 6.5 percent of a D-limonene oxidized derivative, 0.8 to 1.5 percent of a C4-C6 perfluoroalkyl acrylate monomer, 0.3 to 0.7 percent of a betaine type quaternization reagent, 4 to 8 percent of alkyl glycoside, 2 to 4 percent of polyglycerol fatty acid ester, 1 to 2 percent of trisodium citrate, 0.3 to 0.8 percent of polyepoxysuccinic acid, 0.02 to 0.1 percent of a photoinitiator, 0.2 to 0.6 percent of a thickening agent and the balance of deionized water. According to the method, the terpene-fluorocarbon hybrid ampholytic surfactant is generated in situ through UV illumination of a D-limonene oxidation derivative and a C4-C6 perfluoroalkyl acrylate monomer at 55-60 DEG C, and a thermodynamically stable micro-emulsion structure is formed through programmed cooling and self-assembly, so that the rapid removal capability on high-viscosity asphalt is remarkably improved.

The invention relates to the technical field of chemical cleaning agents, in particular to a cleaning agent for cleaning a SiC wafer and a preparation method of the cleaning agent. The cleaning agent for cleaning the SiC wafer is prepared from the following components in percentage by mass: 10 to 15 percent of an organic acid component, 6 to 12 percent of a surfactant, 4 to 6 percent of an auxiliary agent and the balance of water, the pickling component is prepared from monoethyl malonate, modified citric acid and aminosuccinic acid. Aiming at the problems that an existing cleaning agent is difficult to achieve efficient cleaning, the wafer surface is prone to being damaged, and the performance and the yield of a semiconductor device are affected, the cleaning agent with the better removal effect is prepared, the cleaning agent has high cleanliness and reliability, pollutant particles on the wafer surface are removed, and damage caused by secondary corrosion to the surface is prevented.

The present invention provides a bio-based succinic acid composition, a preparation method therefor, and a polyester prepared therefrom. The bio-based succinic acid composition includes bio-based succinic acid and a metal ion; and a mass content of the metal ion in the bio-based succinic acid composition is 10-350 ppm. In the present invention, by adopting the bio-based succinic acid composition containing the metal ion as a raw material for the polyester and controlling the content of the metal ion in the bio-based succinic acid composition within a specific range, the obtained polyester has better mechanical properties and heat retention stability.

The present invention relates to novel carbodiimides, to a process for their production, and to the use of the novel carbodiimides in ester-based polyols, in polyethylene terephthalate (PET), in polybutylene terephthalate (PBT), in polytrimethylene terephthalate (PTT), in copolyesters, in thermoplastic polyester elastomers (TPE E), in ethylene vinyl acetate (EVA), in polylactic acid (PLA) and / or in PLA derivatives, in polybutylene adipate terephthalate (PBAT), in polybutylene succinate (PBS), in polyhydroxyalkanoates (PHA), in blends, in triglycerides, in thermoplastic polyurethanes, in polyurethane elastomers, in PU adhesives, in PU casting resins, for PU coatings or in PU foams as stabilizers.

An object of the present invention is to provide an embrittlement inhibitor composition for fibers capable of inhibiting embrittlement of a textile product even under a washing condition with a large load on the textile product when washing the textile product, and a washing method using the embrittlement inhibitor composition for fibers.SOLUTION: An embrittlement suppressing agent composition for fibers, which is used by being mixed in a washing bath for washing fiber products, wherein the embrittlement suppressing agent composition for fibers contains an embrittlement suppressing compound, and the embrittlement suppressing compound contains at least one selected from the group consisting of a specific sulfosuccinic acid ester compound, a specific phosphoric ester compound or a phosphoric acid salt thereof, and a poly (meth) acrylamido compound having a colloid equivalent value of - 13 to 13meq / g.SELECTED DRAWING: None

The invention belongs to the technical field of food processing, particularly relates to a tall milk skin solid dairy product and a preparation method thereof, and aims to introduce an octenyl succinic acid tamarind polysaccharide ester and ferulic acid chitosan whey protein conjugate aiming at the problems that a traditional milk skin product is low in structural strength and easy to oxidize and deteriorate. The preparation method comprises the following key steps: premixing the two compounds with raw milk according to a specific ratio, heating, adding fried tall milk, staged temperature control standing, cooling and the like to finally obtain the finished product. In the two modified compounds, the former is prepared through an esterification reaction of polysaccharide and anhydride, and the latter is prepared through an enzymatic grafting and protein conjugation reaction. Through the synergistic effect of the components, the mechanical strength and lifting completeness of the milk skin layer can be remarkably enhanced, fat oxidation is effectively inhibited, the shelf life is prolonged, and the fusion degree of taste and flavor is improved. The method is reliable in process, and the obtained product has both traditional flavor and stable quality of modern food, and has good application prospects.

This invention relates to the field of galvanized steel wire technology, and proposes a high-strength galvanized steel wire and its preparation method. The preparation method of high-strength galvanized steel wire includes the following steps: activating the steel wire, then subjecting it to fluxing to obtain a pretreated steel wire; hot-dip galvanizing the pretreated steel wire, followed by passivation, to obtain high-strength galvanized steel wire; during fluxing, the flux consists of the following components by mass percentage: 20%~25% zinc chloride, 16%~20% ammonium chloride, 1.0%~2.0% additives, 1%~2% nickel chloride, 1%~2% lanthanum nitrate, 0.2%~0.5% ammonium bifluoride, with the balance being water; the additives are palmitamide propyl betaine and disodium lauryl sulfosuccinate. Through the above technical solution, the problem of insufficient wear resistance of galvanized steel wire in related technologies is solved.

The present application relates to battery thermal management and functional fluid material technical field, especially to a kind of cooling liquid.It includes the following components by weight parts: base liquid 600-900 parts, 2-pyrrolidone 5-15 parts, ethylenediamine tetraacetic acid or its alkali metal salt 1-3 parts, polyepoxysuccinic acid 0.5-2 parts, PEO-PPO-PEO type block polyether dispersant 1.5-6 parts, 1-ethyl-3-methyl imidazole bis (trifluoromethyl sulfonate) imidazole 0.05-0.5 parts and glycidyl ether oxypropyl trimethoxysilane 0.1-1.5 parts;Wherein, the base liquid includes deionized water and ethylene glycol, propylene glycol or its combination.The present application realizes lower electrical conductivity by the synergistic design of cooling liquid component and ratio, while maintaining good thermal conductivity, which is conducive to improve electrical insulation safety and reduce arc discharge risk.

The invention discloses an emulsifier composition with a low HLB (Hydrophile-Lipophile Balance) value suitable for various water qualities and application of the emulsifier composition, and belongs to the technical field of fine chemical engineering or the field of agriculture. The low-HLB-value emulsifier composition suitable for various water qualities consists of the following components in parts by weight: 50-90 parts of secondary alcohol polyoxyethylene ether; 20 to 50 parts by weight of pesticide emulsifier No. 500; 1-10 parts by weight of sulfonated sodium dioctyl succinate; and 20-40 parts by weight of fatty acid ester. The secondary alcohol polyoxyethylene ether is prepared from synthetic alcohol, and has the characteristics of low temperature resistance, no gel, less foam and low odor. After the emulsifier with extremely low HLB (Hydrophile-Lipophile Balance) value and adapting to various water qualities is mixed with oil ester with low HLB value, such as mineral oil and jojoba oil, the appearance is uniform, transparent and stable; when the oil agent is used in deionized water, standard hard water and three times hard water, the oil agent is uniformly dispersed in various kinds of water, and no floating oil appears on the surface.

A process for preparing a granule containing (A) at least one chelating agent selected from alkali metal salts of methylglycinediacetic acid (MGDA) and iminodisuccinic acid (IDS) and, optionally, (B) at least one homopolymer or copolymer of (meth)acrylic acid, partially or completely neutralized with alkali, wherein said process comprises the steps of (a) providing an aqueous solution or slurry containing chelating agent (A) and, if applicable, (co)polymer (B), (b) removing most of said water by spray granulation in a fluidized bed, (c) treating the resulting granule in a vessel at least a portion of which rotates about a horizontal axis and wherein said vessel is selected from paddle mixers, drop mixers, and grate mixers.

To provide a beer-taste beverage in which a grassy taste is reduced and a light and brisk aftertaste is imparted, and a method for producing the same. In a beer-taste beverage, the problem of the present application can be solved if at least one of the following (A) to (C) is satisfied. (A) The containing concentration of ethyl 2-methylbutanoate is 15 ppb or more; (B) The containing concentration of ethyl 2-methylbutanoate is 45 ppb or more; (C) The containing concentration of diethyl succinate is 520 ppb or more.

The invention discloses a preparation method of a starch-based bacteriostatic microcapsule, which is characterized in that octenyl succinic acid modified starch is used as a wall material, sorbic acid is used as a core material, and the starch-based bacteriostatic microcapsule with high loading capacity and high embedding rate is prepared by combining rod pin type wet ball milling and spray drying embedding. The sorbic acid is subjected to wet grinding by adopting rod pin type ball milling, the sorbic acid is fully ground in a suspension environment, the particle size is reduced, composite embedding of starch and an active agent in the grinding process is provided, the microcapsule is prepared through spray drying treatment subsequently, the loading capacity of the microcapsule exceeds 10%, the embedding rate is higher than 90%, and the preparation method is simple and easy to operate. A new thought is explored in the field of starch-based microcapsule embedding, and meanwhile microcapsule products are effectively put into the manufacturing process of baked products.

The invention relates to treatment agents for keratin fibers, in particular for hair, for enhancing the fiber structure, containing, in a cosmetically acceptable carrier, the combination of succinic acid and citric acid in selected amounts and weight ratios to each other. The invention also relates to a method for enhancing the fiber structure of keratin fibers using said treatment agents, and to the use of agents containing the combination of succinic acid and citric acid in selected amounts and weight ratios to each other for enhancing the fiber structure of keratin fibers.

The application belongs to the technical field of water treatment, and particularly relates to a groundwater heavy metal removal system and method, wherein a water solution of a complexing agent is injected into groundwater at an upstream, the complexing agent comprising the following components in parts by weight: 10 parts of ethylenediamine disuccinic acid tetrasodium salt; 3-3.5 parts of sodium gluconate; 1.5-2 parts of ferrous sulfate heptahydrate; 0.8-1 part of citric acid monohydrate; and 5-6 parts of sodium bicarbonate; a reaction wall is built at a downstream, a strong reduction filler layer is arranged in the reaction wall, the strong reduction filler layer comprises sulfur-modified zero-valent iron particles and conductive particles, the strong reduction filler layer reduces high-valence heavy metals in the groundwater to generate stable precipitates, and the application can promote the heavy metals to flow to the reaction wall, avoid the heavy metals from being retained in soil, and improve the removal effect on the heavy metals.