471 results about "Sodium polyacrylate" patented technology

The invention relates to the technical field of electric wires and cables, discloses a high-elasticity waterproof cable based on blending of water-blocking powder and an elastomer, and aims to solve the problems that in the prior art, during long-term dynamic service, interlayer separation is easily caused by interfacial stress superposition, so that elasticity attenuation and waterproof barrier damage are caused, and the service life is affected. According to the invention, the sodium polyacrylate water-blocking powder is subjected to composite modification and is blended with an elastomer matrix, modified nano silicon dioxide is matched for dispersion, an inner and outer layer gradient insulation structure is designed, and ultrasonic dispersion, nitrogen protection steam cross-linking and other processes are combined; the cable is sequentially provided with the conductor layer, the conductor shielding layer, the gradient insulation layer, the insulation shielding layer and the sheath layer from inside to outside, interface stress concentration is reduced, interlayer combination stability is enhanced, and the cable can still keep excellent elastic recovery capability and waterproof barrier integrity under high-frequency torsion and repeated dry-wet cycles.

The invention relates to the technical field of medical dressings, in particular to a perianal drug dressing of a multi-layer flow guide composite fabric and a preparation method and application of the perianal drug dressing of the multi-layer flow guide composite fabric. The perianal drug dressing is of a four-layer structure, a wet tissue adhesion layer is made of polydopamine modified chitosan / oxidized hyaluronic acid hydrogel, and wet-state adhesion is achieved; the drug sustained-release layer is used for dispersing mesoporous silica loaded with ciprofloxacin hydrochloride / defensin and chitosan microspheres loaded with epidermal growth factors / lonicera japonica into a polycaprolactone fiber membrane to achieve synergistic antibacterial and healing promotion; the directional flow guide layer is of a gradient wettability sandwich structure with a bionic micro-channel, and one-way rapid drainage can be achieved; the high-absorption outer layer is carboxymethyl cellulose / sodium polyacrylate composite sponge, liquid is locked efficiently, the wound surface is kept dry and comfortable, the clinical problem in perianal infection wound treatment can be effectively solved, and the treatment effect and the patient comfort are remarkably improved.

The invention relates to the technical field of biological medicine, and particularly discloses an atopic dermatitis treatment medicine and a preparation method and application thereof.The preparation method comprises the steps that sodium alginate, sodium polyacrylate and water are mixed and then subjected to a swelling reaction, and a colloidal solution with the viscosity larger than or equal to 5000 cP is formed; mixing upatinib, a preservative, glycerol and azone to obtain a raw material phase; and mixing the colloidal solution with the raw materials, and homogenizing to obtain the atopic dermatitis treatment medicine. Through swelling reaction of sodium alginate and sodium polyacrylate, the viscosity of a colloidal solution is remarkably improved through molecular chain entanglement, charge repulsion and water absorption synergistic effects of sodium alginate and sodium polyacrylate; through compounding of all the components, the transdermal efficiency of the medicine is improved, the irritation of the medicine is reduced, and meanwhile, the inhibition efficiency on atopic dermatitis inflammatory factors is also improved.

The invention relates to the technical field of functional coatings of medical instruments, in particular to a temperature-sensitive response type sodium polyacrylate catheter leakage-proof coating, a preparation method and application thereof, and the coating is of a three-layer composite structure. And the bottom bonding layer adopts a polydopamine modified silane coupling agent system, contains silver nanoparticles, has the thickness of 5-15 microns, and ensures strong bonding and antibiosis of the substrate. The middle functional layer is a three-dimensional cross-linking degree gradient interpenetrating network polymer, is composed of a plurality of monomers and nano materials, and is 50-100 [mu] m in thickness, the cross-linking degree of the middle functional layer is gradually increased from inside to outside, gradient transition of mechanical properties is achieved, the outer protective layer is composed of a copolymer, is 3-8 [mu] m in thickness, and provides excellent anti-fouling and biocompatibility. The coating is endowed with strong adhesive force, gradient mechanical property and surface stability, the sodium polyacrylate component absorbs water and expands in urine to form sealing, and the expansion degree of the sodium polyacrylate component is regulated and controlled by the pH value and ionic strength of the urine.

The invention relates to the technical field of building materials, in particular to a high-elasticity polyurethane-asphalt composite road crack repair material and a preparation method thereof, and the high-elasticity polyurethane-asphalt composite road crack repair material comprises the following raw materials: an asphalt-based material, functional modified polyurethane, a polyether-polyolefin block copolymer, functional rubber, 2, 6-di-tert-butyl-4-methylphenol and sodium polyacrylate. According to the invention, a lipophilic functional group is introduced into a molecular chain of the functionalized modified polyurethane, so that the functionalized modified polyurethane can interact with alkyl in asphalt to form a more stable synergistic network structure, and the phase separation phenomenon of the polyurethane and the asphalt is effectively reduced; the modified polyurethane not only improves the elasticity, flexibility, temperature resistance and crack resistance of the composite material, but also optimizes the processability of the material, enhances the interface bonding force, and further improves the repair effect and the road durability.

The invention discloses an inorganic copolymer anticorrosive paint and a preparation method thereof, and relates to the technical field of paints. The invention discloses inorganic copolymer anticorrosive paint. The coating is prepared from the following raw materials in parts by weight: 20 to 30 parts of silica sol, 8 to 15 parts of sodium hydroxide, 30 to 45 parts of metakaolin, 8 to 20 parts of quartz sand, 15 to 25 parts of water, 0.3 to 2 parts of sodium polyacrylate, 0.2 to 3 parts of polydimethylsiloxane emulsion, 5 to 12 parts of modified nano titanium dioxide, 6 to 10 parts of modified epoxy resin, 10 to 25 parts of hydroxyethyl methylacrylate, 5 to 10 parts of zinc phosphate, 3 to 8 parts of aluminum triphosphate and 2 to 6 parts of iron oxide red. The raw materials of the inorganic copolymer anticorrosive paint are scientifically proportioned, and the anticorrosive performance is enhanced through the modified nano titanium dioxide and the epoxy resin. Material uniformity is ensured through step-by-step feeding and ultrasonic dispersion in preparation, and stability is improved through vacuum defoaming and nitrogen protection. The components such as the silica sol and the zinc phosphate have a synergistic effect to form a compact coating, and the coating is high in corrosion resistance, good in constructability and suitable for various scenes.

The invention discloses a solid ultrasonic gel patch as well as a preparation method and application thereof, and belongs to the technical field of medical chemistry. The solid ultrasonic gel patch is prepared from an acrylamide monomer, polyvinyl alcohol, sodium polyacrylate, sodium carboxymethyl cellulose, nano silicon dioxide, propylene glycol, glycerol, acrylic acid, triethanolamine, a cross-linking agent, an initiator and water according to a specific ratio. The prepared solid ultrasonic gel patch is highly matched with human soft tissue in acoustic impedance (about 1.62-1.63 * 10 < 6 > Pa.s / m), low in acoustic attenuation coefficient (less than or equal to 0.034 dB / (cm.MHz)), moderate in skin adhesion, excellent in flexibility and moisture retention, capable of solving the problems that a traditional ultrasonic coupling agent is inconvenient to use, easy to dry, poor in experience and the like, and suitable for acoustic wave conduction in ultrasonic examination and treatment.

The invention discloses a collateral-dredging and pain-relieving gel plaster and a preparation method thereof. The collateral dredging and pain relieving ointment is prepared from the following raw materials in percentage by mass: camphor, borneol, menthol, absolute ethyl alcohol, collateral dredging and pain relieving volatile oil, a surfactant, collateral dredging and pain relieving extract, tartaric acid, purified water, partially neutralized sodium polyacrylate, a cross-linking agent, an adhesive, glycerol, EDTA-2Na (Ethylene Diamine Tetraacetic Acid) and a filling agent. The plaster disclosed by the invention is high in application comfort, breathable, free from aching feeling after being uncovered, free from residue on skin and not sticky when being in contact with sweat; the use of an organic solvent is basically avoided in the production process; the matrix contains components such as water and glycerol, has the effects of moistening the skin and promoting skin hydration, and is free of irritation and sensitization to the skin; repeated uncovering and pasting can be achieved, and the viscosity influence is small.

The invention discloses an engineering residue soil improvement matrix and application thereof, the engineering residue soil improvement matrix comprises a base layer and a planting layer, the base layer comprises 50-70 wt% of engineering residue soil, 10-15 wt% of humus soil, 6-8 wt% of a fiber material, 3-5 wt% of a slow release fertilizer, 1-2 wt% of sulfur powder, 2-4 wt% of sodium polyacrylate, 3-5 wt% of polyacrylamide, 2-4 wt% of sodium hydroxide, and 3-4 wt% of a straw decomposition agent; the planting layer comprises 25 to 50 wt% of engineering residue soil, 20 to 30 wt% of peat soil, 4 to 6 wt% of compost, 6 to 8 wt% of a fiber material, 3 to 5 wt% of a slow release fertilizer, 1 to 2 wt% of sodium polyacrylate, 1 to 2 wt% of sodium hydroxide, 3 to 4 wt% of straw biochar, 3 to 4 wt% of a straw decomposition agent, 2 to 4 wt% of zeolite, 3 to 5 wt% of desulfurized gypsum, 1 to 2 wt% of nitrogen-fixing bacteria and 1.5 to 3 wt% of plant seeds. On the basis of a thick-layer base material spraying slope protection technology, spray-seeding materials are improved, waste muck is recycled, and land occupation and water and soil pollution caused by traditional muck landfill or stacking are avoided.

The invention provides a hydrogel fire extinguishing additive, a preparation method thereof and a fire extinguishing agent. The hydrogel fire extinguishing additive comprises the following raw materials in parts by mass: 1-3 parts of a gelatinizing agent, 1-4 parts of a thickening agent, 1-3 parts of a stabilizer, 2-5 parts of a cross-linking agent, 1-3 parts of a surfactant, 2-6 parts of a phosphorus flame retardant and 3-5 parts of an antifreeze agent. The gelatinizing agent is selected from one or more of methyl cellulose, hydroxypropyl methyl cellulose and hydroxyethyl cellulose; the thickening agent is selected from one or more of sodium carboxymethyl cellulose, konjac glucomannan, sodium alginate, sodium polyacrylate and xanthan gum; the cross-linking agent is selected from one or more of calcium chloride, magnesium sulfate, calcium sulfate, magnesium chloride, potassium chloride and sodium nitrate. The temperature and pH double-response hydrogel fire extinguishing agent provided by the invention has the characteristics of quick response capability, high-temperature stability, good environmental adaptability, safety and environmental protection, and can be well used for efficient extinguishing and continuous cooling control of a lithium ion battery fire.

The application discloses a magnesium phosphate-based cement grouting material and a preparation method and application thereof. The raw materials of the magnesium phosphate-based cement grouting material include A component and B component; the raw materials of the A component include, in parts by weight, calcined magnesium oxide 140-200 parts, bentonite 0-30 parts, hydroxypropyl methylcellulose 0.2-0.5 parts, an additive 1-10 parts and water 70-140 parts; the raw materials of the B component include a first dihydrogen phosphate 70-100 parts, pretreated high-molecular water-absorbing resin 20-50 parts, sodium polyacrylate 0.5-2 parts and water 30-70 parts; the pretreated high-molecular water-absorbing resin is obtained by soaking the high-molecular water-absorbing resin in an aqueous solution of a second dihydrogen phosphate. The magnesium phosphate-based cement grouting material has the characteristics of low shrinkage, short and adjustable setting time, high compressive strength, simple construction, low cost, green environmental protection, good grout injection, good water dispersion resistance, good durability in a long-term soaking environment and the like.

The invention relates to the technical field of polymer absorbing materials, in particular to high-liquid-conductivity composite sodium polyacrylate water-absorbent resin, a preparation method and application. The water-absorbent resin is composed of a sodium polyacrylate matrix, low-melting-point ES fibers (accounting for 5-15% of the mass) activated through plasma or alkali etching and a surface cross-linking agent (such as glycerol and polyethylene glycol). The method comprises the following steps: melting a fiber sheath layer to coat SAP particles through one-time heat treatment (120-150 DEG C, 30-60 minutes), and meanwhile, constructing a surface chemical network by a cross-linking agent to form a physical-chemical dual structure. The composite SAP has excellent transverse drainage rate, wet compressive strength and circulation structure integrity, the liquid distribution efficiency and stability of the absorption core layer are remarkably improved, and the composite SAP is suitable for the field of hygienic products such as paper diapers and sanitary towels.

The invention provides a temperature-sensitive hydrogel fire extinguishing additive, a preparation method thereof and a fire extinguishing agent. The temperature-sensitive hydrogel fire extinguishing additive is prepared from the following raw materials in parts by mass: 1 to 3 parts of methyl cellulose, 2 to 6 parts of cross-linking agent, 2 to 12 parts of lubricant, 10 to 20 parts of metal salt, 1 to 3 parts of hydrocarbon surfactant, 3 to 6 parts of phosphorus flame retardant, 3 to 5 parts of cosolvent and 1 to 5 parts of heat stabilizer. The cross-linking agent is selected from one or more of sodium alginate, sodium polyacrylate, polyacrylamide, carrageenan, guar gum, xanthan gum, genipin, tannic acid and sodium carboxymethyl cellulose, and the lubricant is polyethylene glycol and / or polyvinyl alcohol. The temperature-sensitive hydrogel fire extinguishing additive disclosed by the invention is non-toxic, harmless, non-corrosive, environment-friendly, easy to degrade, easy to prepare and store, low in viscosity, high in critical transition temperature and high in gelling speed, and can extinguish a fire disaster of the lithium ion battery more quickly, avoid re-combustion of the lithium ion battery and realize continuous cooling of the battery at the same time.

The invention provides a sodium ion specific fluorescence labeled transparent soil sample as well as a preparation method and application thereof, and belongs to the technical field of rock soil and geological engineering. The method comprises the following steps: firstly, sequentially carrying out hydrophilization treatment, solvent evaporation and dissolution on a sodion combined benzofuran isophthalate probe to obtain a probe mother solution; mixing the probe mother solution, a buffer solution, an inorganic sodium salt solution and a solvent to prepare a fluorescence labeling pore solution; and finally, mixing the sodium polyacrylate particles and the fluorescence labeled pore liquid, and performing vacuum saturation treatment to obtain the transparent soil sample. The transparent soil sample provided by the invention still keeps excellent optical transparency while having sodium ion specific response capability, so that a stable and reliable experimental medium is provided for in-situ, real-time and full-field observation of sodium ion migration.

The invention discloses an anti-leaching nutrient slow-release synergistic compound fertilizer, and particularly discloses an anti-leaching nutrient slow-release synergistic compound fertilizer and a preparation method thereof. The compound fertilizer comprises the following components in parts by weight: 30-50 parts of urea particles, 15-25 parts of monoammonium phosphate, 20-30 parts of potassium sulfate, 2-5 parts of a slow-release synergistic coating agent, 1-3 parts of a bonding wrapping layer and 10-20 parts of a filling material. The slow-release synergistic coating agent comprises polyaspartic acid (PASP) and a composite inhibitor (a urease inhibitor and a nitrification inhibitor), and the bonding wrapping layer is made of a polyvinyl alcohol / sodium polyethylene acid-based cementing material. The preparation method comprises the following steps: mixing and granulating raw materials, carrying out primary coating (slow-release synergist), carrying out secondary coating (bonding a coating layer), and drying and screening. Through the synergistic effect of the double coating technology and the compound inhibitor, the nitrogen conversion and release are obviously delayed, the nutrient leaching loss is reduced by 20-40%, the fertilizer utilization rate is improved by 25-30%, and the compound fertilizer is suitable for high-temperature and rainy areas.

The invention relates to the technical field of acid-activated cementing materials, and particularly discloses an acid-activated metakaolin-ferrotitanium tailing-based lead ion fixing and sealing geopolymer material and a preparation method thereof in order to solve the problems that an existing acid-activated geopolymer material is poor in stability and reduced in mechanical property. The geopolymer material is prepared from the following components in parts by mass: 20 to 35 parts of ferrotitanium tailings, 30 to 45 parts of metakaolin, 5 to 10 parts of nano silicon dioxide, 15 to 25 parts of phosphoric acid composite exciting agent and 0.5 to 2.5 parts of solid sealing auxiliary agent, the phosphoric acid composite exciting agent comprises phosphoric acid and ammonium dihydrogen phosphate, and the sealing auxiliary agent comprises modified attapulgite and sodium polyacrylate. Through compounding of multiple components, multiple synergistic effects of physical encapsulation, ion exchange, chemical bonding and interface adsorption enhancement are realized, the lead ion encapsulation efficiency and mechanical properties are improved, the maintenance energy consumption is reduced, and the problems of insufficient long-term stability, low low-temperature curing efficiency and the like of the existing acid-activated geopolymer material can be effectively solved.

The invention discloses a moss-microorganism synergistic nitrogen fixation bionic regreening method and system for a drought-resistant mine rock slope, and belongs to the technical field of ecological environment restoration. The method comprises the following steps: (1) slope pretreatment: drilling anchoring holes; (2) layered construction: (1) a fixation layer: spraying mixed slurry prepared from amylase and plant fibers to form a net-shaped substrate with the thickness of 1-2cm; (2) a nutrient layer: spraying a mixture of a complex microbial inoculant and a slow release fertilizer, wherein the thickness is 4cm; the mixed bacterial agent is prepared from the following raw materials in percentage by weight: 60 percent of phytonimum patenum spores, 25 percent of nostoc commune (Nostoc commune) and 15 percent of pseudomonas fluorescens (Pseudomonas fluorescens), and the mixed bacterial agent is prepared from the following raw materials in percentage by weight: 60 percent of phytonimum patenum spores, 25 percent of nostoc commune (Nostoc commune) and 15 percent of pseudomonas fluorescens (Pseudomonas fluorescens). And (3) a water retention layer: sodium polyacrylate resin is spread, the particle size of the sodium polyacrylate resin is 1-0.5 mm, soil covering and compaction are performed until the thickness of the water retention layer is 1-1.5 cm, and the use amount of the sodium polyacrylate resin is 2-1.5 wt% of the weight of the soil. According to the method, the nitrogen fixation efficiency can be improved by 40-60%, and the soil moisture content is kept gt under the drought condition; the survival rate of the seedlings is increased to 85% or above, the anti-scouring capacity of the side slope is improved by 50%, and the vegetation coverage rate of 70% or above is achieved within 6 months.

The application relates to a preparation method of an iron-manganese composite-based porous polyurethane cement sponge filler, and belongs to the technical field of sponge fillers. The method solves the defects of the existing sulfur autotrophic denitrification technology. The required proportions of ordinary Portland cement, anhydrous manganese chloride (MnCl2) and ferrous chloride tetrahydrate (FeCl2.4H2O) are weighed, mixed and stirred uniformly, a water phase solution containing a bonding agent polyvinyl alcohol (PVA) and a dispersant sodium polyacrylate (SPAN) is prepared, solid raw materials and the water phase solution are mixed, polyurethane sponge is added into the mixture and stirred, freezing and shaping are carried out, freezing drying is carried out, steam curing is carried out, then, after being cooled to room temperature, the material is washed with deionized water, and finally, drying treatment is carried out. The iron-manganese composite-based porous polyurethane cement sponge filler has a large specific surface area, porosity, rough surface and good hydrophilicity, and has high phosphorus adsorption and sulfur fixation capacity, thereby exhibiting excellent environmental purification performance and excellent microbial adhesion.

The invention belongs to the technical field of medical or hygiene materials, and particularly relates to a medical human body lubricant and a preparation method and application thereof.The medical human body lubricant is prepared from, by mass, 1%-20% of glycerin, 1%-20% of propylene glycol, 0.1%-1% of hydroxyethyl cellulose, 0.05%-0.5% of carbomer, 0.05%-0.5% of sodium polyacrylate, 0.05%-0.5% of triethanolamine, 0.2%-1% of preservative and the balance purified water. The medical human body lubricant prepared by the invention has high moisture retention, is mild and non-irritant, and is suitable for people sensitive to skin.

The invention relates to an additive for improving refrigeration efficiency of liquid water and a production process thereof, and belongs to the technical field of water additives. The additive comprises 70-80 parts by weight of a carrier, 3-6 parts by weight of modified sophorolipid, 1-2 parts by weight of sodium polyacrylate and 0.5-1.5 parts by weight of sodium molybdate, the carrier is of a core-shell structure, the core of the carrier is nano-copper, and the shell of the carrier is hydrophilic mesoporous silica doped with carboxylated carbon nanotubes; according to the additive prepared by the invention, the refrigeration efficiency of water is improved through the interaction among the carrier, the surfactant and liquid water.

The utility model discloses a fresh-keeping device for agricultural product transportation, and relates to the technical field of agricultural product transportation, the fresh-keeping device comprises a box body, a sealing cover, a phase change material layer, a humidity adjusting system, a buffer structure and an intelligent monitoring module, the box body is of a double-layer heat insulation structure, the outer layer is an EPS heat insulation layer, the inner layer is a PE layer, and the middle is filled with phase change materials; the humidity adjusting system comprises a water absorption pad located at the bottom of the box body and a breathable film located at the top of the sealing cover, the buffering structure is a supporting frame, and the surface of the buffering structure is covered with a nano-silver antibacterial coating. Through the cooperation of the double-layer heat insulation structure (EPS + PE) and the phase change material (the phase change temperature of 0-10 DEG C), the temperature in the box is kept stable in a passive mode, the respiration and microbial activity of agricultural products are inhibited, and compared with traditional normal-temperature packaging, the fresh-keeping period is prolonged by 30%-50% (for example, the fresh-keeping period of strawberries is prolonged from 3 days to 7 days). The water absorption pad (sodium polyacrylate) absorbs condensate water, redundant water vapor is discharged in combination with the BOPP anti-fog breathable film (the micropores are 0.1-1 micron), and the humidity is accurately controlled to be 85%-95%.

The invention discloses a high-porosity low-thermal-conductivity cement aerogel plate and a preparation method thereof, and belongs to the technical field of preparation of aerogel materials. The method comprises the following steps: preparing nano water-saturated resin from sodium polyacrylate alkali-resistant water-absorbent resin, mixing the nano water-saturated resin with cement, silica fume and other raw materials, and performing strickling or spray layering molding and microwave heating curing to obtain a finished product. Through the synergistic effect of the nanometer sacrificial template and microwave curing, the porosity of the product is larger than or equal to 96%, the heat conductivity coefficient is smaller than or equal to 0.026 W / (m.K), the compressive strength is larger than or equal to 0.8 MPa, the problems that in the prior art, the porosity is insufficient, the heat conductivity coefficient is high, the period is long, and performance is difficult to consider are solved, the process is simple and controllable, and the method is suitable for large-scale application of building heat preservation.

The invention discloses a production process of a tumor swelling and pain relieving cataplasm patch, and belongs to the technical field of traditional Chinese medicine preparations. According to the process, rheum officinale, golden cypress, turmeric and tripterygium wilfordii stir-fried with vinegar are taken as monarch drugs and are matched with sculellaria barbata and oldenlandia diffusa to enhance the antitumor activity, pseudo-ginseng synergistically improves the transdermal efficiency, and the preparation is optimized through a segmented extraction and nano-targeting technology: 1) adopting supercritical COextraction to extract angelica dahurica and cinnamon volatile oil (20-25MPa and 40-50 DEG C), and carrying out beta-cyclodextrin inclusion; the preparation method comprises the following steps of (1) performing dynamic countercurrent extraction on non-volatile components (70% ethanol at a flow rate of 2.0 mL / min) of other medicinal materials, and coating triptolide (with a particle size of 80-150 nm) in combination with PLGA nanoparticles, and (3) mixing the extract and a composite matrix (sodium polyacrylate-sodium carboxymethyl cellulose-azone), and coating a pH response type chitosan-sodium alginate sustained release layer with the mixture to form the breathable patch.

The invention discloses a sodium polyacrylate and attapulgite dual-network hemostatic hydrogel and a preparation method thereof. The preparation method comprises the following steps: firstly, dispersing attapulgite in ethanol to form an attapulgite dispersion liquid; then modifying the surface of the attapulgite by utilizing a silane coupling agent; and dissolving a certain amount of surfactant, sodium acrylate and initiator, adding the modified attapulgite and cross-linking agent to obtain a water phase, slowly adding the oil phase material, and carrying out high-speed shearing and heating polymerization to obtain the double-network hydrogel with the hemostatic effect. Compared with a single-network hydrogel, the double-network hydrogel has the advantages that the strain linear viscoelastic area is wider, the deformation resistance is better, the hemostatic property and the mechanical strength are synchronously improved, and the organic-inorganic hybrid hydrogel has a good application prospect in the fields of hemostasis and wound healing and has a wide application prospect in the fields of hemostasis and wound healing. The device is especially suitable for acute wound hemostasis and medical scenes needing certain mechanical support, and has high practical application value.

The invention discloses easy-to-disperse diamond grinding fluid and a preparation method thereof, and relates to the technical field of grinding fluid. The easy-to-disperse diamond grinding fluid is prepared from the following raw materials in parts by weight: 1 to 20 parts of modified diamond micro powder, 40 to 80 parts of deionized water, 1 to 10 parts of polyethylene glycol 6000, 0.5 to 1.2 parts of sodium carboxymethyl cellulose, 1 to 20 parts of glycerol, 1 to 10 parts of triethanolamine, 0.3 to 0.7 part of sodium polyacrylate, 0.05 to 5 parts of 1, 2-benzisothiazolin-3-ketone and 1 to 10 parts of a modified silane coupling agent. According to the easy-to-disperse diamond grinding fluid, through the synergistic effect of the modified diamond micro powder and the modified silane coupling agent, the dispersity is excellent, and the stability is high; the formula is scientific, polyethylene glycol and other assistants are matched, precise process parameters and graded filtration are combined, the grinding efficiency is high, the surface smoothness of a workpiece is good, the antibacterial property and storage stability are good, and the application scene is wide.

The invention relates to the technical field of detergents, in particular to a dishwashing detergent for a descaling dishwasher and a preparation method of the dishwashing detergent, and the dishwashing detergent comprises non-fibrous components such as ethylene diamine tetraacetic acid, sodium hydroxide, sodium citrate, sodium polyacrylate, fatty alcohol-polyoxyethylene ether AEO-3 and the like. By optimizing the formula design, the problems of alkali scale and water scale residues are solved, phosphate is not contained, the efficient descaling capacity is achieved, and meanwhile the environmental protection performance is improved.

The invention provides a novel lithium extraction method and device for low-grade lepidolite. The novel lithium extraction method for the low-grade lepidolite comprises the following steps: S1, mechanical activation pretreatment: crushing raw ore, treating the crushed raw ore for 2 hours by adopting a planetary ball mill, adding a sodium polyacrylate dispersing agent, and carrying out ultrasonic treatment; according to the novel lithium extraction method and the novel lithium extraction device for the low-grade lepidolite, the specific surface area of the treated mica is increased by 3-5 times, the contact area between the treated mica and assistants and a leachate is greatly increased, the subsequent roasting reaction rate and the lithium leaching efficiency can be improved, the waste of raw materials is reduced, two assistants are matched for segmented roasting, and the cost is reduced. Compared with a traditional process, the roasting temperature is greatly reduced, the energy consumption is greatly reduced, the production energy consumption cost is reduced, calcium fluoride reacts with substances generated in the reaction process (to generate calcium sulfate), fluorine element in-situ fixation is achieved, fluoride dissipation is avoided, the industrial environment-friendly problem of fluorine pollution in the traditional process is solved, and the environment-friendly emission requirement is met.

This invention belongs to the field of roadbed solidification technology and relates to an additive for solidifying slag and its preparation method. Calculated by weight, it includes the following components: 15-25 parts mineral admixture, 5-10 parts modified diatomaceous earth, 1-1.5 parts activator, and the balance cement, with a total mass of 100 parts. This application uses an activator and steel slag and blast furnace slag powder to prepare a solidification material. The combined effect of these two components can simultaneously improve the early and late strength of the solidified soil. Simultaneously, by modifying the diatomaceous earth, the dispersibility of diatomaceous earth and carbonaceous powder in the cementitious material is improved, enhancing the bonding performance of cement. Utilizing the property that diatomaceous earth and sodium polyacrylate aggregate in the aqueous environment and calcium oxide in cement to form water-insoluble crystalline substances, the strength and water erosion resistance of the solidified soil are improved.

The application provides an antimony-based composite negative electrode material and a preparation method and application thereof, and relates to the technical field of new energy batteries.The preparation method provided by the application comprises the following steps: mixing antimony metal powder with amorphous carbon, ball-milling, drying and calcining to obtain an antimony-based intermediate; performing acidification treatment on the surface of carbon nanotubes to obtain acidified carbon nanotubes, dispersing the acidified carbon nanotubes in an organic sodium modified solution, stirring, filtering, drying to obtain modified carbon nanotubes; mixing and dispersing the antimony-based intermediate, sodium polyacrylate and the modified carbon nanotubes to obtain a suspension, and then performing spray drying to obtain the antimony-based composite negative electrode material.The preparation method provided by the application can improve the problem of performance decline caused by the capacity attenuation of the antimony metal due to the huge volume expansion in the process of deintercalating sodium ions, and effectively improves the electrochemical performance of the antimony-based negative electrode material.

The invention discloses a production and preparation process of a heavy-duty water-based epoxy primer applicable to a high-salt and high-humidity environment, and relates to the technical field of production of water-based epoxy primers. Comprising the following raw materials in parts by mass: 30-50 parts of bisphenol A type water-borne epoxy resin emulsion, 10-20 parts of a curing agent T-31, 3.5-5 parts of a reinforced anti-settling agent, 8-12 parts of zinc phosphate, 5-8 parts of aluminum triphosphate, 10-15 parts of precipitated barium sulphate, 3-6 parts of silica powder, 0.8-1.2 parts of a sodium polyacrylate dispersing agent, 0.4-0.8 part of an organic silicon defoaming agent and 0.3-0.7 part of an acrylate flatting agent. And 0.6-1 part of a polyurethane thickening agent. The bentonite and the modified zirconium phosphate silicate powder in the reinforced anti-settling agent can improve the microstructure of the primer in a primer system, so that a coating is more compact and can be conveniently applied to a high-salt and high-humidity environment, and the salt spray resistance of the waterborne epoxy primer is enhanced.