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27 results about "Sodium polyaspartate" patented technology

Sodium polyaspartate is a sodium salt of polyaspartic acid. It is biodegradable condensation polymer based on the amino acid aspartic acid.

Corrosion and scale inhibitor for TRT and preparation method of corrosion and scale inhibitor

ActiveCN121183343ACombustible gas purificationSalt depositMorpholine
The invention relates to a corrosion and scale inhibitor for TRT and a preparation method of the corrosion and scale inhibitor, and relates to the technical field of chemical reagents. The corrosion and scale inhibitor is prepared from the following components in percentage by mass: 15 to 20 percent of morpholine, 25 to 30 percent of aminoethyl ethanolamine, 15 to 20 percent of 1-hydroxyethyl-2-undecylimidazoline onium salt, 12 to 18 percent of sodium polyaspartate, 8 to 12 percent of itaconic acid-allylsulfonic acid copolymer, 1 to 3 percent of alkyl glycoside and the balance of a mixture of water and glycerol in a mass ratio of 1 to (1 to 3). The corrosion and scale inhibitor disclosed by the invention can synchronously inhibit corrosion of an acid medium and scale deposition of salts such as NH4Cl and the like, and the corrosion inhibition rate and the scale inhibition rate are effectively improved.
Owner:SHANDONG PUNYAO WATER TREATMENT TECH CO LTD

Multi-layered cosmetics

PendingJP2026116112APlant sterolPolymer science
Since it separates into at least an emulsion layer and an aqueous layer during standing, it has excellent aesthetic properties. When used, it can be uniformly redispersed by gently shaking, so it also has excellent usability. In addition, it has good storage stability, and further provides a multi-layer cosmetic excellent in the softness of the back skin. 【Means for Solving the Problem】 The following components (A) to (G): (A) Phospholipid (B) Cholesterol and / or phytosterol (C) Phosphoric acid-based surfactant (D) Oil agent (E) Sodium polyaspartate (F) Water-swelling clay mineral (G) Water A multi-layer cosmetic containing the above components.
Owner:KOSE HOLDINGS CORP

Copper electroplating solution, preparation method and application thereof, solar cell and photovoltaic module

PendingCN121976269AElectrical batterySolar cell
The invention provides a copper electroplating solution, a preparation method and application thereof, a solar cell and a photovoltaic module, and relates to the technical field of solar cells. The copper electroplating liquid comprises a copper ion source, a main complexing agent, an auxiliary complexing agent, conductive salt, a functional additive and water, wherein the functional additive is prepared from a 2-mercapto benzimidazole-zinc complex, L-ascorbic acid, 3-mercapto-1-sodium propanesulfonate, sodium polyaspartate and water. The copper electroplating solution is free of corrosion to a silicon substrate and a passivation layer, the structural integrity of a battery is guaranteed, efficient deposition of a compact and low-resistance copper layer is achieved through the synergistic effect of a double-complexing system and a functional additive, and the conductivity and the interface bonding force are improved; meanwhile, the formed chemical bonding interface enhances the copper-silver adhesion, the electrical property and long-term reliability of the cell are remarkably improved, and the method is suitable for large-scale manufacturing of the high-performance back contact solar cell.
Owner:TIANJIN ZHONGHUAN SEMICON CO LTD

Passivation culture solution for reducing cadmium in rice and preparation method of passivation culture solution

The invention relates to the technical field of agricultural environment restoration and plant nutrition regulation and control, in particular to a passivation culture solution for rice cadmium reduction and a preparation method of the passivation culture solution. The culture solution is composed of a ferric citrate complexing solution, a sodium polyaspartate graft, potassium dihydrogen phosphate, a choline-stabilized orthosilicic acid mother solution and a zinc ethylenediamine tetraacetate disodium salt hydrate. In the preparation process, a stable system is cooperatively constructed through multi-coordination complexing, electrostatic regulation and an organic framework stabilization mechanism. The culture solution still keeps good dispersity and stability under acidic and hard water conditions, can form a weak-acid-to-neutral buffer area in rice rhizosphere, effectively reduces migration and absorption of cadmium ions, maintains availability of nutrient elements such as iron and zinc, remarkably reduces the cadmium content of rice grains, improves the nutritional quality and environmental adaptability of crops, and has a wide application prospect. The method is suitable for efficient and safe treatment of cadmium-polluted rice fields.
Owner:HUNAN FEATURED RICE AGRI CO LTD

A strontium / potassium polyaspartate and a method for its preparation and use

The application discloses a kind of polystrontium aspartate / potassium and its preparation method and application, belong to daily chemical technical field.The polystrontium aspartate / potassium using poly succinimide can be prepared in the aqueous solution of strontium hydroxide and potassium hydroxide hydrolysis.The preparation process has the characteristics of mild conditions, simple process, low cost, high efficiency and environmental protection.The polystrontium aspartate / potassium provided by the application is used for whitening and anti-allergic toothpaste, has the dual effect of moisturizing and whitening and anti-allergic, compared with adding poly sodium aspartate and potassium chloride, strontium chloride respectively, the use of polystrontium aspartate / potassium eliminates a large number of sodium ions and chloride ions, effectively reduces the ion concentration in formula, reduces formula difficulty.
Owner:BEIJING YANZHISHAN TECH CO LTD

Food-grade water-based coating with skid resistance, wear resistance and stain resistance and application of food-grade water-based coating in water cup

PendingCN121271392AStarch dervative coatingsPolyurea/polyurethane coatingsCross linkerSolvent
The invention relates to the technical field of water-based coatings, and discloses a food-grade water-based coating with skid resistance, wear resistance and stain resistance and application of the food-grade water-based coating in a water cup, and the food-grade water-based coating comprises a coating composition and oxidized starch for curing, the coating composition comprises a solvent, a hydrophilic response component, an ion response component, a film-forming main body and a cross-linking agent, the oxidized starch is prepared by reacting starch with an oxidizing agent. According to the anti-skid coating, the components of carboxymethyl chitosan and polyaspartic acid sodium salt are cooperated, and a coating preparation process of step-by-step dissolution and stirring at a specific rotating speed is matched, so that environmental adaptability anti-skid is realized. Carboxymethyl chitosan absorbs water in a moist environment to generate conformational rearrangement and expose polar groups, polyaspartic acid sodium salt is affected by ions in an electrolyte environment to cause molecular chain curl, the friction performance of the coating in dry, moist and electrolyte environments can be adjusted according to needs through linkage of carboxymethyl chitosan and polyaspartic acid sodium salt, and meanwhile, the components are uniformly dispersed to guarantee response stability. The inherent contradiction between skid resistance and easy cleaning is solved.
Owner:SHENZHEN XIN YUE TANG PLASTIC & HARDWARE CO LTD

High-absorptivity glycoside compound synergistic water-soluble fertilizer and preparation method thereof

The invention relates to a high-absorptivity glycoside compound synergistic water-soluble fertilizer and a preparation method thereof. The water-soluble fertilizer comprises the following components in parts by weight: a nitrogen source, a phosphorus source, a potassium source, chelated trace elements, a water-soluble organic matter, an auxiliary agent, a structure stabilizer and an absorption promoting component, the absorption promoting component is composed of a cyclodextrin inclusion glycoside compound, sodium alginate oligosaccharide and sodium polyaspartate, and the structure stabilizer is chitosan quaternary ammonium salt. The glycoside compound is clathrated by cyclodextrin, so that the stability and the availability of the glycoside compound in a water-soluble system are improved, and the polysaccharide oligomer and the polyamino acid substance are combined to synergistically promote root system absorption and in-vivo transport. Through step-by-step preparation of the absorption promotion mother liquor and the nutritive salt mother liquor and compounding modulation, uniform dispersion of the components and stability of the system are realized. Test results show that the water-soluble fertilizer can improve the accumulation level of glycoside targets in plants and synchronously promote mineral nutrition absorption and yield and quality improvement, and is suitable for water-fertilizer integrated application of various crops.
Owner:HUBEI BOHAI FERTILIZER GROUP CO LTD

Amino acid water-soluble fertilizer

The invention relates to the technical field of fertilizers, and particularly discloses an amino acid water-soluble fertilizer. The amino acid water-soluble fertilizer is prepared from the following raw materials in parts by weight: 40 to 60 parts of compound amino acid, 6 to 10 parts of nitrogen-phosphorus-potassium fertilizer, 3 to 8 parts of seaweed extract, 4 to 8 parts of calcium lignosulphonate, 2 to 5 parts of humic acid, 8 to 13 parts of bamboo charcoal powder and 1 to 3 parts of sodium polyaspartate. The compound amino acid consists of lysine, arginine and glycine in a mass ratio of 1: (2-6): (3-7); the amino acid water-soluble fertilizer is simple in formula and strict in proportion, all the components interact, and the obtained amino acid water-soluble fertilizer can provide rich and comprehensive nutritional ingredients, is beneficial to improving the nutrient absorption efficiency of crops and promoting crop growth and has wide market prospects.
Owner:SHANDONG FENGMEI CROP NUTRITION CO LTD

Highly water-soluble amoxicillin soluble powder and method for preparing the same

The application discloses a high water-soluble amoxicillin soluble powder and a preparation method thereof. The application belongs to the technical field of veterinary drug preparations. The application adopts supercritical CO2 eutectic of amoxicillin trihydrate and L-malic acid, and is matched with gas explosion modified starch, hydrophobic nano-SiO2 and polyaspartic acid sodium. The supercritical eutectic and the gas explosion modified starch are combined to make the powder have super-high solubility; the PASP competitively combines metal ions, and the nano-SiO2 synergistically adsorbs metal ions to improve the hard water stability of the powder; the eutectic hydrogen bond protection and the nitrogen filling packaging make the L-malic acid hydrogen bond stabilize the beta-lactam ring, the nitrogen environment inhibits oxidation to improve long-term stability and reduce the degradation rate; the high-pressure homogenization microspheres and the spray drying porous structure improve the water penetration and the rapid dissolution performance of the powder, and provide technical support for the preparation of the high water-soluble stable amoxicillin powder.
Owner:WUHAN XINLIANDA BIOLOGY

Enhanced magnesium phosphate cement material with highly uniformly dispersed fibers

ActiveCN121270213AFiberSodium polyaspartate
The invention belongs to the technical field of magnesium phosphate cement materials, and particularly discloses a reinforced magnesium phosphate cement material with highly uniformly dispersed fibers, which comprises the following components: 42-60 parts by weight of magnesium phosphate cement, 3-5 parts by weight of a retarder, 1-1.6 parts by weight of fibers, 0.32-1.0 part by weight of an accelerant, 30-40 parts by weight of fine aggregate, and 8-13 parts by weight of mixing water. Wherein the accelerant is prepared from sodium polyaspartate, pectin, alkyl silane and chitosan. Under the combined action of the accelerant and the fibers, the dispersing state and orientation of the fibers in the cement are effectively improved, the breaking strength and compressive strength of the material are remarkably improved, and meanwhile the good construction performance of the material is kept.
Owner:UNIV OF JINAN +1

Corrosion and scale inhibitor for TRT and preparation method thereof

ActiveCN121183343BCombustible gas purificationSalt depositMorpholine
The present application relates to a kind of corrosion and scale inhibitor for TRT and its preparation method, it is related to chemical reagent technical field, wherein, by mass percentage content, the corrosion and scale inhibitor includes: morpholine 15-20%, aminoethyl ethanolamine 25-30%, 1-hydroxyethyl-2-undecyl imidazolinium salt 15-20%, polyaspartic acid sodium 12-18%, itaconic acid-acrylic sulfonic acid copolymer 8-12%, alkyl glycoside 1-3%, the rest is the mixture of water and glycerol with mass ratio 1:1-3.It is synchronous to inhibit acid medium corrosion and NH4Cl and other salt deposits, effectively improve the corrosion rate and scale inhibition rate.
Owner:SHANDONG PUNYAO WATER TREATMENT TECH CO LTD

Quick-drying tearable lip line and preparation method thereof

The invention relates to the technical field of cosmetics, in particular to a quick-drying tearable lip line and a preparation method thereof. The lip line comprises the following components in parts by weight: cosmetic-grade purified water; polyvinyl alcohol; vP / VA copolymer / water / glyceryl acrylate / acrylic copolymer; cI 15985, CI 15985; cI 17200, CI 17200; and PEG (Polyethylene Glycol)-40 stearate. And polysorbate-20, polysorbate-20. And PEG-40 hydrogenated castor oil; glycerol; butanediol; sodium hyaluronate; tocopheryl acetate; silica; silica dimethyl silylate; 4-hydroxyacetophenone; and sodium polyaspartate. The quick-drying tearable lip line provided by the invention has relatively good tearing smoothness, drying efficiency, skin feeling mildness and color development durability.
Owner:SHANGHAI MARSHMALLOWMAKEUP BIOTECH CORP LTD

Method for preparing refined molybdic acid by low-grade molybdenum oxide alkali leaching and acid precipitation

This invention discloses a method for preparing refined molybdic acid by alkaline leaching and acid precipitation of low-grade molybdenum oxide, belonging to the technical field of hydrometallurgy and comprehensive resource utilization. The method includes: mixing low-grade molybdenum oxide raw material with an alkaline leachate containing a specific composite alkaline leaching stabilizer (sodium gluconate, sodium hexametaphosphate, sodium polyaspartate, and sodium sulfide), and performing alkaline leaching at pH=11.0±0.2 and 80-85℃ to achieve efficient dissolution and preliminary purification of molybdenum; the resulting crude solution is then subjected to high-temperature, high-pH stripping to remove ammonia, thus removing NH4+. + The concentration was reduced to ≤50 mg / L; the purified solution was subjected to high-temperature acid precipitation at 85-95℃ using a mixture of concentrated nitric acid and concentrated hydrochloric acid, with the final pH controlled at 0.5±0.1, to obtain wet molybdic acid solid. After washing and drying, refined molybdic acid product was obtained. This invention effectively solves the problems of high impurities in low-grade raw materials, large molybdenum loss, and low product purity by synergistically combining stabilizer complexation-precipitation in the alkaline leaching stage with high-temperature enhancement and precise acid control in the acid precipitation stage. The total molybdenum recovery rate is high, the product purity and physical properties are good, and the process is stable and efficient.
Owner:HENAN YINJI TUNGSTEN MOLYBDENUM TECH CO LTD

Biological bacterial fertilizer capable of promoting growth and development of crop roots

The invention relates to the technical field of biological bacterial fertilizers, and discloses a biological bacterial fertilizer capable of promoting growth and development of crop root systems, and the biological bacterial fertilizer is prepared from brown sugar yeast activation liquid, calcium lignosulphonate, chitosan oligosaccharide, sodium polyaspartate, superfine calcium silicate, a decomposed organic fertilizer and a variety of microbial powder. The preparation process adopts a liquid phase shielding and solid phase isolation strategy: in a liquid phase, calcium lignosulphonate is used for wrapping chitosan oligosaccharide to prevent flocculation; and sodium polyaspartate and superfine calcium silicate are premixed in the solid phase. During granulation, the acid liquid phase excites the superfine calcium silicate to generate interface micro-etching to release calcium ions. Sodium polyaspartate is isolated in a solid-phase matrix, so that after the fertilizer is buried into soil, an instantaneous flocculation phenomenon caused by direct contact between chitosan oligosaccharide with positive charges in a liquid phase and sodium polyaspartate with negative charges in a solid phase can be avoided, and the process bottleneck that a zwitterionic polymer mixed system is difficult to granulate is solved; the continuity of the granulation process is ensured; and the roundness of finished granules is improved.
Owner:BENGBU GERUN BIOTECHNOLOGY CO LTD

A metalworking article surface cleaning agent composition and methods of making and using the same

The application relates to the technical field of cleaning agents, and particularly discloses a metal processing product surface cleaning agent composition and a preparation and use method thereof. The cleaning agent composition comprises the following raw materials in parts by weight: 1-5 parts of a surface-active peptide, 2-5 parts of a rhamnolipid biosurfactant, 1-3 parts of sodium polyaspartate, 1-5 parts of lysine, 3-6 parts of sodium oxalate, 0.1-1 part of a defoaming agent, 7-12 parts of a compound, and 30-50 parts of water, wherein the compound is composed of saponin and modified sophorolipid; the preparation method comprises the following steps: placing the surface-active peptide and the lysine into water, uniformly mixing, heating and warming, reacting, cooling and cooling, and then adding the rhamnolipid biosurfactant, the sodium polyaspartate, the sodium oxalate, the defoaming agent and the compound, uniformly mixing, and obtaining the cleaning agent composition. The cleaning agent composition has the advantages of improving the oil removal effect and protecting the environment through the synergistic effect of the raw materials.
Owner:SHENZHEN RONGQIANG TECH

Palladium-nickel alloy electroplating solution, preparation method and application thereof

The application relates to the technical field of electroplating liquid and electronic connector terminal surface treatment, and discloses a palladium-nickel alloy electroplating liquid and a preparation method and application thereof, wherein the electroplating liquid comprises palladium ions provided by tetraammine palladium sulfate, nickel ions provided by nickel sulfamate, ammonium sulfamate, ammonium sulfate, a ladder complex release component composed of glycine, sodium citrate, N-(2-hydroxyethyl) iminodiacetic acid disodium, ethylenediamine disuccinic acid trisodium and polyaspartic acid sodium, L-proline, sodium 1,2,4-triazole-3-carboxylate and a micro-area wetting component. Through cooperation of the components, the application can reduce the edge enrichment deposition and grain boundary pore defects of a high-speed connector contact area, and improve the contact stability of a palladium-nickel alloy plating layer.
Owner:SHENZHEN ZHONGZHIKUN TECHNOLOGY CO LTD

Hair color protection composition and application thereof

PendingCN121695041ACosmetic preparationsHair cosmeticsSodium polyaspartatePhytane
The invention relates to a hair color protection composition and application thereof, and belongs to the technical field of cosmetics. The hair color protection composition disclosed by the invention is prepared from sodium polyaspartate and phytantriol. According to the invention, sodium polyaspartate and phytantriol are compounded and combined to achieve a synergistic effect, so that a hair bionic composition can be formed, and the composition can help damaged hair to restore the structure, supplement hair lipid and restore the hair barrier, can fundamentally solve the problem of dye loss after hair dyeing, and achieves the effect of hair color protection. Meanwhile, the composition can also improve the elasticity and toughness of the dyed hair.
Owner:完美(广东)日用品有限公司 +1

Coking industry wastewater resource utilization composite agent and preparation method thereof

PendingCN122010317AExcellent anti-scaling performanceAnti-scaling effectTreatment using complexing/solubilising chemicalsSodium polyaspartatePolyaspartic acid
The invention relates to the technical field of scale inhibitors, and provides a composite reagent for resource utilization of wastewater in the coking industry and a preparation method of the composite reagent. Comprising the following raw materials in parts by weight: 10 to 14 parts of sodium polyaspartate, 10 to 14 parts of polyepoxysuccinic acid, 4 to 4.5 parts of quaternized chitosan, 1 to 2 parts of tannin, 1 to 2 parts of sodium alginate, 0.3 to 0.5 part of sodium tripolyphosphate and 50 to 60 parts of solvent. Through the technical scheme, the problem of low scale inhibition efficiency of a scale inhibitor in related technologies is solved.
Owner:HEBEI AOBO WATER TREATMENT CO LTD

An accelerated salt spray test method for stainless steel

This application relates to the field of stainless steel salt spray testing, and discloses an accelerated salt spray testing method for stainless steel, comprising the following steps: adding 0.4-0.5 g / L of an accelerator to a neutral sodium chloride salt spray solution, adjusting the pH to 4-4.2, maintaining the test chamber temperature at 40-42℃, and performing a salt spray test on a stainless steel test piece; the accelerator is composed of a corrosive agent, a dispersant, a stabilizer, and a pH adjuster in a weight ratio of 1:(2-3):(1-2):(0.5-1); the corrosive agent is composed of copper chloride and ferrous sulfate; the dispersant is composed of sodium polyaspartate and maleic acid-acrylic acid copolymer; and the stabilizer is composed of hydroxyethyl chitosan and propylene glycol alginate. This application is simple to operate, has a testing efficiency 8-10 times that of neutral salt spray testing, shortens the testing cycle, and the testing results are highly consistent with those of neutral salt spray testing, making it a suitable equivalent comparison method for rapidly evaluating the corrosion resistance of stainless steel.
Owner:ZHONGSHAN SINTS POWDER METALLURGY CO LTD

Multi-thickness film layer compatible cu etching liquid and method of use thereof

The application provides a Cu etching liquid compatible with multiple thickness film layers and a use method thereof, and relates to the technical field of metal film layer etching. The Cu etching liquid is composed of hydrogen peroxide, a weak organic acid, an alcohol amine corrosion inhibitor, polyethylene glycol, phosphoric acid, sodium bisulfate, polyaspartic acid sodium, and tri-potassium glycyrrhizinate, and the ratio of the sum of the mass percentages of the phosphoric acid and the sodium sulfate to the sum of the mass percentages of the polyaspartic acid sodium and the tri-potassium glycyrrhizinate is less than or equal to 1.5. The application overcomes the defects of the prior art, and the obtained Cu etching liquid can effectively etch Cu / MTD substrates with different thicknesses, and ensures the stability of etching under different copper concentrations.
Owner:RUNJING (HEFEI) OPTOELECTRONIC MATERIALS CO LTD +1

A straight seam pipeline steel pipe and its manufacturing process

ActiveCN117659818BAnti-corrosive paintsSpecial surfacesSodium polyaspartateEpoxy
This application relates to the field of steel pipe manufacturing technology, specifically disclosing a straight seam pipeline steel pipe and its manufacturing process. The straight seam pipeline steel pipe includes a steel pipe body and an anti-corrosion paint film covering the surface of the steel pipe body. The anti-corrosion paint film includes a primer layer, an intermediate paint layer, and a topcoat layer. The primer layer is obtained by curing a composite primer, the components of which include a water-based epoxy zinc-rich primer, silica sol, sodium polyaspartate, and cerium nitrate. The anti-corrosion paint film of this application has strong adhesion, therefore exhibiting strong resistance to external impacts and is not easily detached under impact, achieving a good anti-corrosion effect.
Owner:ZHEJIANG HUAJIN PIPE CO LTD

Composite humectant modified concrete laminated slab and preparation method thereof

The invention relates to a composite humectant modified concrete laminated slab and a preparation method thereof. The concrete laminated slab comprises a composite moisturizing system composed of functionalized polyaspartic acid, organic modified nano montmorillonite and hydroxypropyl methyl cellulose. Wherein the functionalized polyaspartic acid is prepared by modifying sodium polyaspartic acid with tetrasodium salt of 1-hydroxyethylidene-1, 1-diphosphonic acid; the organic modified nano montmorillonite is prepared from sodium montmorillonite through intercalation modification of hexadecyl trimethyl ammonium bromide. The preparation method comprises the following steps: respectively preparing the functional components, mixing and stirring the functional components with the cement, the fly ash, the aggregate, the water reducing agent and the mixing water according to a specific process sequence, pouring and curing to form the laminated slab. Through the synergistic effect of the composite system, dual intelligent regulation and control of the cement hydration heat release process and the internal humidity are achieved, temperature difference stress and shrinkage stress are effectively inhibited, and the interface bonding strength and durability of the laminated slab are remarkably improved.
Owner:NANTONG INST OF TECH

Salt spray accelerated testing method for stainless steel

The invention relates to the field of stainless steel salt spray testing, and discloses a salt spray accelerated testing method for stainless steel, which comprises the following steps: adding 0.4-0.5 g / L of accelerating aid into a neutral sodium chloride salt spray solution, adjusting the pH value to 4-4.2 and the temperature of a test box to 40-42 DEG C, and performing salt spray testing on a stainless steel test piece; the accelerating auxiliary agent is prepared from a corrosive agent, a dispersing agent, a stabilizing agent and a pH regulator according to the weight ratio of 1: (2 to 3): (1 to 2): (0.5 to 1); the corrosive agent is composed of copper chloride and ferrous sulfate; the dispersing agent is prepared from sodium polyaspartate and a maleic acid-acrylic acid copolymer; the stabilizer is prepared from hydroxyethyl chitosan and propylene glycol alginate. The method is easy to operate, the testing efficiency is 8-10 times that of a neutral salt spray test, the testing period is shortened, the testing effect is highly matched with that of the neutral salt spray test, and the method can be used as an equivalent comparison method for rapidly evaluating the corrosion resistance of the stainless steel.
Owner:ZHONGSHAN SINTS POWDER METALLURGY CO LTD

Biomass-based porous carbon material as well as preparation method and application thereof

The invention belongs to the technical field of carbon materials, and particularly relates to a biomass-based porous carbon material and a preparation method and application thereof. The preparation method of the biomass-based porous carbon material comprises the following steps: S1, adding sodium polyaspartate, carboxylated chitosan, soluble starch, glutaraldehyde, ammonium persulfate and zinc acrylate into water, and carrying out a ball-milling reaction to obtain a cross-linked substance; s2, freezing the cross-linked product obtained in the S1, and drying under a vacuum condition to obtain dry gel; and S3, carrying out high-temperature carbonization on the xerogel obtained in S2 in a carbon dioxide atmosphere to obtain the biomass-based porous carbon material. The preparation method provided by the invention is simple and efficient, and can be applied to large-scale industrial production, so that the production cost can be saved, and the economic benefit can be improved. Experiments prove that the carbon material provided by the invention has a good carbon dioxide adsorption effect, can be used as an excellent rubber additive for reducing the wear rate of rubber, and has a wide application prospect.
Owner:ENERGY RESOURCES INST HEBEI ACADEMY OF SCI +1

A reinforced magnesium phosphate cement material with high uniform dispersion of fibers

ActiveCN121270213BFiberSodium polyaspartate
The application belongs to the technical field of magnesium phosphate cement materials, and particularly discloses a reinforced magnesium phosphate cement material with high-uniformly-dispersed fibers, which comprises the following components: 42-60 parts by weight of magnesium phosphate cement, 3-5 parts by weight of a retarder, 1-1.6 parts of fibers, 0.32-1.0 parts by weight of an accelerator, 30-40 parts by weight of fine aggregate and 8-13 parts by weight of mixing water; wherein the accelerator is composed of polyaspartic acid sodium, pectin, alkyl silane and chitosan; and the accelerator and the fibers jointly improve the dispersion state and orientation of the fibers in the cement, significantly improve the bending strength and compressive strength of the material, and make the material maintain good construction performance.
Owner:UNIV OF JINAN +1

Green low-carbon concrete based on lithium slag composite admixture and preparation method thereof

The application provides green low-carbon concrete based on lithium residue composite admixture and a preparation method thereof, and belongs to the technical field of green low-carbon concrete. The concrete comprises raw materials: cement, lithium residue composite admixture, sand, CO2 pre-carbonized recycled coarse aggregate, gravel, water, water reducing agent and composite mineralization regulator. The lithium residue composite admixture comprises components: lithium residue powder, carbonized recycled cement micro powder, lightly calcined dolomite powder, metakaolin, synthetic lithium smectite, hemihydrate gypsum and diethanol mono-isopropanol amine. The composite mineralization regulator comprises polyaspartic acid sodium, magnesium lactate and sodium metaaluminate. The synergistic system of the lithium residue composite admixture, the composite mineralization regulator and the low-carbon aggregate interface optimization improves the problems of poor workability of high-mixing lithium residue concrete, weak interface transition zone, insufficient strength and durability and the like, and improves the utilization value of solid waste such as lithium residue, recycled cement micro powder and recycled coarse aggregate in the concrete.
Owner:JIANGSU CHINA CONSTR COMMERCIAL CONCRETE CO LTD

A passivation culture medium for reducing cadmium in rice and its preparation method

This invention relates to the field of agricultural environmental remediation and plant nutrition regulation technology, specifically to a passivation culture medium for reducing cadmium in rice and its preparation method. The culture medium consists of ferric citrate complex solution, sodium polyaspartate graft, potassium dihydrogen phosphate, choline-stabilized orthosilicate mother liquor, and zinc disodium ethylenediaminetetraacetate hydrate. During preparation, a stable system is synergistically constructed through multi-coordination complexation, electrostatic regulation, and organic framework stabilization mechanisms. This culture medium maintains good dispersibility and stability under acidic and hard water conditions, forming a weakly acidic to neutral buffer zone in the rice rhizosphere, effectively reducing the migration and absorption of cadmium ions while maintaining the availability of nutrients such as iron and zinc. This significantly reduces the cadmium content in rice grains, improves crop nutritional quality and environmental adaptability, and is suitable for the efficient and safe remediation of cadmium-contaminated paddy fields.
Owner:HUNAN FEATURED RICE AGRI CO LTD