458 results about "Acide succinique" patented technology

The invention relates to a phosphorus-free zinc-free seawater special-purpose scale and corrosion inhibitor, which comprises, by weight, 20-25% of sulfonic acid modified polyaspartic acid, 8-12% of quaternized chitosan, 5-10% of a sulfonate copolymer, 5-10% of polyepoxysuccinic acid, 1-3% of benzotriazole or methyl benzotriazole, 0.5-1% of sodium tungstate, and the balance of deionized water. According to the formula, traditional corrosion inhibitors such as phosphorus and zinc are completely abandoned, functions are achieved through natural polymer derivatives such as sulfonic acid modified polyaspartic acid and quaternized chitosan, and the scale and corrosion inhibitor has the following environmental protection advantages that the scale and corrosion inhibitor does not contain phosphorus and zinc elements at all, and water eutrophication and heavy metal accumulation caused by a traditional phosphorus and zinc formula are avoided.

The invention relates to the technical field of glass cleaning agents, in particular to an environment-friendly cover plate glass cleaning agent and a preparation method thereof. The environment-friendly cover plate glass cleaning agent comprises the following raw materials in percentage by weight: 12-20% of inorganic base, 8-12% of a surfactant, 5-8% of a chelating agent, 3-5% of a humectant, 1-3% of an adsorbent, 1-3% of a dispersing agent, 0.3-1% of a buffering agent and the balance of deionized water, the surfactant is dodecyl glucoside and dodecyl ethyoxyl sulphobetaine, and the weight range ratio of the dodecyl glucoside to the dodecyl ethyoxyl sulphobetaine is (3-1): 1; the chelating agent is one or more of sodium gluconate, sodium polyaspartate and sodium polyepoxysuccinate. According to the present invention, the degradable surfactant and the degradable chelating agent are adopted, and the dispersant is added to modify the nanometer titanium dioxide, such that the low pollution property is achieved while the high decontamination efficiency and the anti-fingerprint ability are considered.

The invention belongs to the technical field of pharmaceutical preparations, and particularly relates to a melogabalin besylate tablet containing a stabilizer and a preparation method of the melogabalin besylate tablet. The melogaba besylate tablet containing the stabilizer comprises a coating and a tablet core, wherein the tablet core comprises the following components: melogaba besylate, the stabilizer, a disintegrating agent, a lubricating agent and the balance of a filling agent; and the coating is prepared from the following materials: an Intai W100 film coating premixing agent and acrylic resin IV. The filling agent comprises xylitol, pregelatinized starch and maltodextrin in a mass ratio of (3-4): 3: (1-2). The stabilizer is vitamin E succinic acid polyethylene glycol ester. The coating is prepared from the following materials: an Intai W100 film coating premixing agent and acrylic resin IV in a mass ratio of (1-1): (1-2). According to the melogabalin besylate tablet prepared by the invention, the stability and the dissolution performance can be synchronously improved.

The invention provides self-adhesive modified asphalt, a self-adhesive modified asphalt waterproof coiled material and a preparation method of the self-adhesive modified asphalt waterproof coiled material, and belongs to the technical field of asphalt and waterproof coiled materials. The self-adhesive modified asphalt is prepared from the following components in percentage by weight: 3 to 30 weight percent of matrix asphalt, 20 to 30 weight percent of aromatic hydrocarbon oil, 3 to 5 weight percent of thermoplastic elastomer, 5 to 8 weight percent of rubber modifier, 5 to 10 weight percent of tackifying resin, 3 to 8 weight percent of dioctyl sodium sulfosuccinate, 1 to 3 weight percent of polyaluminum ferric chloride, 1 to 3 weight percent of ferroferric oxide and 0.5 to 1 weight percent of limestone powder, and 10 to 30 wt% of an inorganic filler.

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 discloses a non-phosphorus reverse osmosis scale inhibitor and a preparation method thereof, and relates to the technical field of industrial water treatment.The non-phosphorus reverse osmosis scale inhibitor is prepared from, by weight, 10 parts of purified humic acid, 40-60 parts of alkalized acrylic acid-succinimide-hydroxypropyl methacrylate copolymer, 4-8 parts of sodium polyepoxysuccinate and 5-20 parts of water. Compared with the prior art, the scale inhibitor is high in environment-friendly compliance, excellent in scale inhibition performance, scientific and efficient in raw material treatment and high in product scale inhibition rate, meets the environment-friendly emission standard, and is suitable for reverse osmosis membrane scale inhibition treatment in the industries of electric power, chemical engineering, seawater desalination and the like.

The invention relates to the technical field of surfactants, and particularly discloses a preparation method and application of a sulfosuccinate type surfactant, and the preparation method specifically comprises the following steps: (1) esterification reaction: under the protection of inert gas, adding fatty alcohol and carboxylic acid anhydride, introducing gas for 10-20 minutes, adding a difunctional acidic site catalyst, heating to 95-105 DEG C, and reacting for 2-3 hours to obtain an esterification product; and (2) sulfonation reaction: cooling the esterification product to 70-80 DEG C, dropwise adding 20-40wt% of sulfonating agent aqueous solution, preserving heat for 1-2 hours after dropwise adding, and then performing post-treatment to obtain the sulfosuccinate type surfactant. In the preparation process, one-pot preparation is realized by regulating and controlling process conditions and developing a catalyst to efficiently catalyze esterification and sulfonation, intermediate products do not need to be separated between esterification and sulfonation, material loss caused by transfer and separation is avoided, the adopted catalyst can be used for inhibiting premature oxidation of a sulfur source in the sulfonation process, and the sulfonation efficiency is improved. The generation of byproducts is reduced, and the yield is improved.

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 invention belongs to the technical field of desulfurizer preparation, and particularly relates to an oil field composite desulfurizer and a preparation method thereof. The compound desulfurizer for the oil field is prepared from the following raw materials in percentage by mass: 12 to 14 percent of 6-tridecyl-1, 3, 5-triazine-2, 4-diamine, 25 to 27 percent of tetramethylguanidine lactate, 7 to 9 percent of glutamic acid-N, N-ferric diacetate, 3.6 to 4.0 percent of sodium dioctyl sulfosuccinate, 1.0 to 1.3 percent of glyceryl polyoxypropylene polyoxyethylene ether and the balance of water. The compound desulfurizer for the oil field has the advantages that the desulfurization speed is high, the desulfurization depth and durability are considered, and the problems that a traditional desulfurizer is easy to emulsify and poor in compatibility with crude oil are solved.

To provide a composition for hair and / or scalp.SOLUTION: A composition for hair and / or scalp comprising (A) polyvinylpyrrolidone, (B) lactic acid and / or a salt thereof, and (C) diammonium aminoethylthiosuccinate.SELECTED DRAWING: None

This biodegradable laminate has a first layer, a second layer that is an adhesive layer, and a third layer that contains a polyvinyl alcohol-based resin in this order. The first layer contains an aliphatic polyester resin (a). The aliphatic polyester resin (a) has, as main constituent units, a first repeating constituent unit that is derived from an aliphatic diol and a second repeating constituent unit that is derived from an aliphatic dicarboxylic acid. The second repeating constituent unit contains at least a repeating constituent unit that is derived from succinic acid and a repeating constituent unit that is derived from an aliphatic dicarboxylic acid having 9 to 36 carbon atoms.

The invention relates to the technical field of scale inhibitors, in particular to a scale inhibitor, a preparation method and application. The scale inhibitor is prepared from the following raw materials in parts by weight: 30 to 35 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer, 6 to 10 parts of polyepoxysuccinic acid, 5 to 8 parts of polyethylene oxide fatty alcohol ether, 5 to 8 parts of sodium dodecyl benzene sulfonate, 4 to 6 parts of nano zinc oxide, 6 to 9 parts of metakaolin hybridization regulated filling agent, 5 to 7 parts of modified nano titanium dioxide agent, 4 to 6 parts of silane coupling agent KH560 and 30 to 35 parts of deionized water. According to the scale inhibitor, raw materials are blended, the scale inhibition effect of calcium carbonate and calcium sulfate ions of a product system is enhanced, the corrosion rate and the antibacterial effect of a product are optimized, the performance coordination balance of the product is excellent, and meanwhile the temperature-resistant stability effect of the product is remarkable.

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 relates to a granule comprising, or consisting of, the following components: - sodium iminodisuccinate, - at least one alkyl polyglucoside, wherein the alkyl chain is a carbon chain comprising from 4 to 20 carbon atoms, in particular 10 carbon atoms, the granule comprising a moisture content of 4.5 to 6%.

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.

The invention relates to the technical field of paper wet strength agents, in particular to an environment-friendly wet strength agent and a preparation method thereof. The preparation method of the wet strength agent comprises the following steps: under the action of a catalyst, succinic acid, maleic acid and triethylene tetramine react to obtain an unsaturated polyamide polyamine prepolymer; adding water into the unsaturated polyamide polyamine prepolymer to adjust the solid content, heating, adding double-bond-containing nanocellulose, tea saponin, glycidyl acrylate and an initiator, and reacting to obtain an intermediate emulsion; cooling the intermediate emulsion to room temperature, adding epichlorohydrin to react for 0.5-3 hours, heating to 50-75 DEG C, continuing to react for 1-5 hours, cooling reaction liquid to 25-30 DEG C, adding glyoxal to react for 0.5-1 hour, adjusting the pH value of the reaction liquid after the reaction is completed, and adding water to adjust the solid content, thereby obtaining the product. The preparation method is simple in process, and the prepared wet strength agent can reduce organic chlorine residues.

The present invention is a friction reducing agent for fibers containing the following components (a) and (b), and further, a detergent composition for fibers containing the following components (a) and (b), wherein a proportion of a content of component (b) to a total content of components (a) and (b) is 20 mass % or more and less than 100 mass %,component (a): an internal olefin sulfonate with 17 or more and 24 or less carbons, andcomponent (b): a sulfosuccinic acid ester or a salt thereof having a hydrocarbon group with 5 or more and 18 or less carbons.

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.

The invention provides a multifunctional textile fabric and a preparation method thereof, and belongs to the technical field of textile fabrics. The preparation method of the multifunctional textile fabric comprises the following steps: performing singeing, desizing and boiling-off treatment on a fabric in advance to obtain a standby fabric; mixing the novel flame-retardant finishing agent with ammonium polyphosphate and deionized water to obtain flame-retardant finishing liquid; the standby fabric is placed in the flame-retardant finishing liquid to be subjected to dipping treatment, drying is conducted after treatment is completed, and the multifunctional textile fabric is obtained. Functional modification is performed on the fabric, so that the flame retardance and water repellency of the fabric are greatly improved. According to the invention, the magnesium-iron double-metal hydroxide modified by alkyl sulfosuccinic acid diester sodium salt containing allyl is introduced, so that the flame retardance, thermal stability and other properties of the fabric are improved.

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 method comprises the following steps: drying and crushing shrimp heads and shrimp shells, adding water according to a ratio of 1: 3, adding 0.5%-0.7% of compound protease, and carrying out enzymolysis at 50-55 DEG C for 2-3 hours; after enzyme deactivation, adding 7-10% of brown sugar to adjust the pH value to 6.0-6.5, and sterilizing; the method comprises the following steps: inoculating pineapple endophytic lactic acid bacteria (CGMCC 25352), hansenula polymorpha (CGMCC 25353) and aspergillus oryzae, mixing the three strains according to the viable count of 1: 1: 1 (the total inoculum size is 3-4.5%, and the CFU / g is 10-10), and fermenting for 46-48 hours at the temperature of 30-32 DEG C in a dark place; and filtering and storing at-80 DEG C. The product is free of salt addition, the fermentation period is less than or equal to 48 hours, the amino acid nitrogen content is greater than or equal to 0.51 g / 100g, the total content of lactic acid (6.88 mg / g), succinic acid (3.73 mg / g) and free amino acid is greater than or equal to 313mg / 100g, the volatile amino salt content is less than or equal to 38.72 mg / 100mL, and the product has salty and fresh flavor and orange-yellow clarified appearance. The problems of high salt, long period and heavy fishy smell of the traditional shrimp soy sauce are solved.

The present invention is a detergent composition for fibers that contains components (a) and (b) described below and satisfies at least one requirement of the following: requirement (1) a proportion of a content of component (a) to a total content of components (a) and (b1) is 35 mass % or more and 80 mass % or less; and requirement (2) a proportion of the content of component (a) to a total content of components (a) and (b2) is 50 mass % or more and 80 mass % or less. Component (a) is a sulfosuccinic acid ester or a salt thereof having a branched hydrocarbon group with 5 or more and 18 or less carbons, and component (b) is one or more surfactants selected from the following components (b1) and (b2): component (b1) an anionic surfactant (excluding component (a)); and component (b2) one or more nonionic surfactants selected from an aliphatic alcohol alkoxylate and an ester alkoxylate.

The invention belongs to the technical field of lubricating oil, and particularly relates to an internal combustion engine oil composite additive and a preparation method and application thereof. The internal combustion engine oil composite additive is prepared from the following raw materials in percentage by mass: 5 to 25 percent of sulfonate, 5 to 12.5 percent of an oxidation and corrosion inhibitor, 5 to 12.5 percent of an anti-wear agent, 5 to 10 percent of an antioxidant, 1 to 2.5 percent of heptadecenyl imidazoline succinate, 0.5 to 1 percent of a nano compound and the balance of a dispersing agent, the nano compound is a compound of nano molybdenum carbide and nano aluminum oxide. Lubricating oil adopting the internal combustion engine oil composite additive has good wear resistance, water resistance and corrosion resistance, meanwhile, good low-temperature fluidity and low loss, oxidative deterioration of engine oil and generation of sediments can be effectively inhibited, the low-speed preignition frequency of an engine can be reduced, and the service life of the engine oil is prolonged. Timing chain abrasion protection and valve system abrasion protection are provided for an engine.

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.