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45results about How to "The steps are simple and controllable" patented technology
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Flame-retardant scraping-resistant photodiffusion PP material and preparation method thereof
The invention provides a flame-retardant scraping-resistant photodiffusion PP material and a preparation method thereof. The flame-retardant scraping-resistant photodiffusion PP material comprises the following components in parts by weight: 75-95 parts of PP, 2-10 parts of a brominated flame retardant, 0.5-5 parts of nano antimonous oxide, 0.2-5 parts of an organosilicon polymer, 0.2-1 part of flame-retardant oil, 0.1-0.5 part of an antioxidant, 0.1-0.5 part of a photostabilizer, 0.1-0.5 part of a transparent nucleating agent, 0.1-0.5 part of a lubricant, and 0.1-0.5 part of an acid absorbent. By selecting specific type of functional additives and under synergistic mechanism of all raw materials, the PP material finally has the advantages of high transparency and haze, flame retardance, scraping resistance, low cost, excellent toughness, light density, excellent yellowing resistance, high thermal deformation temperature, no toxicity and the like and is recyclable, and the usage performance of the PP material can be greatly promoted.
Owner:江苏沃特新材料科技有限公司
Preparation and surface modification methods of ferrous titanate/iron trioxide composite photoelectrode
ActiveCN106119882AEasy to prepareHigh photoelectrocatalytic water splitting performanceElectrodesInorganic saltsDecomposition
The invention provides preparation and surface modification methods of a ferrous titanate / iron trioxide composite photoelectrode and relates to the field of materials. The preparation method of the composite photoelectrode includes the steps that FTO conducting glass is washed; the FTO conducting glass is placed in an inorganic salt water solution of titanium in the manner that the conducting face is downward, and the FTO conducting glass is soaked for 10-60 min at the temperature of 60-80 DEG C; the washed FTO conducting glass is heated for 10-30 min at the temperature of 150-200 DEG C; the heated FTO conducting glass is placed in a reaction still containing inorganic salt of iron and a mineralizer water solution, and the reaction still is heated for 2-5 h at the temperature of 60-100 DEG C; and the FTO conducting glass obtained after the reaction in the reaction still is taken out and washed, the washed FTO conducting glass is annealed for 1-3 h at the temperature of 500-600 DEG C and then annealed for 10-30 min at the temperature of 700-800 DEG C, and the nano ferrous titanate / iron trioxide composite photoelectrode is prepared. The preparation method of the composite photoelectrode is simple, experimental conditions are easy to control, and the prepared composite photoelectrode has high photoelectrocatalysis water decomposition performance.
Owner:SUZHOU UNIV
High dielectric microwave ceramic dielectric material and preparation method thereof
The invention discloses a high dielectric microwave ceramic dielectric material and a preparation method thereof. The material has the following formula: (1-x) (Sm0.5Li0.5) TiO3-xCaTiO3, wherein x uses the mole fraction and satisfies the relation of 0.15<=x<=0.20; and the material is prepared from the main raw materials of CaCO3, Li2CO3, TiO2 and Sm2O3. The preparation method of the high dielectric microwave ceramic dielectric material is as below: adding the raw materials to a mill pot, conducting wet milling for 14-18 h, baking, sieving, calcining at 1090-1110 DEG C for 2-3 h, and carrying out a solid state reaction to synthesize a principal crystalline phase powder; cooling the principal crystalline phase powder, adding the principal crystalline phase powder into the mill pot, conducting wet milling again for 14-18 h, drying, sieving, and conducting compression molding at pressure of0.4 to 0.5 tons to obtain a cylindrical base substrate; placing the base substrate in a alumina square porcelain boat with a platinum foil pad, burning with cover at 1290-1300 DEG C for 2-3 h into a porcelain, so as to obtain the final product. The invention provides a high dielectric microwave ceramic dielectric material, which has high microwave dielectric constant epsilon r while ensuring a low resonant frequency temperature coefficient tau f.
Owner:JIANGSU UNIV OF SCI & TECH
Preparation method of carbon aerogel material with superhigh specific surface area
ActiveCN110143581AHigh aspect ratioStrong fiber opening degreeCarbon preparation/purificationAerogel preparationCelluloseFiber
The invention discloses a preparation method of a carbon aerogel material with superhigh specific surface area. The method comprises the following four steps: wet milling of biomass fiber, TEMPO-mediated oxidation of the biomass fiber after milling, preparation of oxidized biomass fiber aerogel, and pyrolysis carbonization. The prepared cellulose carbon aerogel has a special three-dimensional flake stacked structure. The invention provides huge application potential of using the product as the material of a catalyst, an adsorbent, an electrode capacitor, etc.
Owner:NANKAI UNIV
Novel wallpaper capable of releasing anions and preparation method thereof
InactiveCN106087550AImprove performanceLong cycleCovering/liningsPaper/cardboardLiquid layerRelease time
The invention relates to wallpaper, and provides novel wallpaper capable of releasing anions and a preparation method thereof. The problems that wallpaper in the prior art cannot release anions, or few anions can be released, releasing time is short, and the stereoscopic effect is poor are solved. The preparation method comprises the steps that a base material is prepared, the base material is coated with a layer of precoat liquid for surface treatment, a precoat liquid layer is formed after drying, and then the surface of the precoat liquid layer is coated with pulp; after surface drying is carried out at the temperature of 150 DEG C to 170 DEG C, the temperature is raised to 190 DEG C to 200 DEG C, pressure of 1.5*105 Pa to 5.2*105 Pa is applied, then drying, winding and normal-temperature curing are carried out, and a foaming pulp layer is formed; finally, the surface of the foaming pulp layer is coated with an anion coating, and dry forming is carried out.
Owner:FUJIAN YOUYA ENVIRONMENTAL PROTECTION WALLPAPER CO LTD
Human retinal pigment epithelial cell separation and cryopreservation method
PendingCN106434531AIntegrity guaranteedAvoid damageCulture processEpidermal cells/skin cellsNutrient solutionRetinal pigment epithelial cell
The invention relates to a human retinal pigment epithelial cell separation and cryopreservation method which includes the steps: firstly, cleaning and washing retinal pigment epithelial cells by nutrient solution; secondly, mixing Dispase II separase and DPBS buffer solution according to the ratio of 1:(40-50)w / v to prepare Dispase II separase solution; thirdly, mixing the Dispase II separase solution and Tryple select solution according to the volume ratio of 1:(2-3) to prepare digestive fluid for digestive separation; finally, performing cryopreservation after counting and centrifuging. The separation method is simple, the steps are easily controlled, the digestive fluid prepared by mixing the Dispase II separase solution with the Tryple select solution is used for performing digestive separation for the retinal pigment epithelial cells, adherence removing time of the retinal pigment epithelial cells can be shortened, cell integrity is kept, and cell injury is greatly reduced.
Owner:EYECURE THERAPEUTICS INC JIANGSU
Fishy smell removing agent for yellow croakers and preparation and use method thereof
ActiveCN108419981AKeep active ingredientsIncrease umamiFood preservationNatural extract food ingredientsRoom temperatureHouttuynia
The present invention discloses a fishy smell removing agent for yellow croakers. The fishy smell removing agent is composed of the following raw materials in weight percentages: 22-50% of a yeast extract, 1-22% of a heartleaf houttuynia herb extract, 11-22% of a fresh ginger extract and 17-22% of edible salt. The fishy smell removing agent for the yellow croakers is prepare from the yeast extract, heartleaf houttuynia herb extract, fresh ginger extract and edible salt as the raw materials. These raw materials are natural and safe, free of chemical additives and combined in a specific ratio, enable the fishy smell removing agent for the yellow croakers to have a good fishy smell removing effect, can remove fishy smell of the yellow croakers and at the same time maintain the aroma of the yellow croakers and increase delicious taste and mellow feeling of fish fleshes. The fishy smell removing agent for the yellow croakers is mild in use conditions and can conduct the fishy smell removingtreatment at room temperature; fishy smell removing liquid and minced yellow croakers cannot be separated after the fishy smell removing treatment. Steps are simple and controllable, do not cause thenutrient loss in the minced yellow croakers, and can retain the delicious taste of the yellow croakers to the utmost extent.
Owner:NINGBO LANYANG AQUATIC FOOD
Preparation and application of flower-shaped molybdenum disulfide coated spherical sisal carbon electrode material
The invention discloses the preparation and application of a flower-shaped molybdenum disulfide coated spherical sisal carbon electrode material. Flower-like molybdenum disulfide coated spherical sisal carbon (MoS2 <at> SSFC) is prepared by hydrothermal carbonization of spherical sisal carbon with molybdenum trioxide as molybdenum source, thioacetamide as sulfur source and urea as reducing agent.MoS2 <at> SSFC is used as negative electrode material for lithium ion battery. The concrete preparation steps include: (1) preparation of spherical sisal flax charcoal (SSFC); (2) composite molybdenumdisulfide, hydrothermal reaction; (3) carbonization. As that anode material of the lithium ion battery, the flower-shaped molybdenum disulfide coat spherical sisal carbon (MoS2 <at> SSFC) prepared bythe invention is cheap and easy to obtain, simple in experimental process and easy to control in condition, and has the advantages of good conductivity, good discharge specific capacity and the likebecause of its unique structure, which is conducive to Li + insertion and embedding.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY
Polypropylene sphere bubble material and preparation method thereof
The invention discloses a polypropylene sphere bubble material and a preparation method thereof, wherein the polypropylene sphere bubble material is prepared from the following raw materials by weight: 98.225% of polypropylene, 0.1-0.3% of a transparent nucleating agent, 0.1-0.3% of a rigidity increasing nucleating agent, 0.3-1% of an organic diffusing dispersant, 0.01-0.03% of a fluorescent whitening agent, 0.05% of N,N'-ethylenebis(stearamide), 0.05-0.4% of an antioxidant 1010, 0.1-0.3% of an antioxidant 168, 0.2-0.6% of an ultraviolet ray absorber Uv-531, and 0.03% of white expansion oil. According to the present invention, the polypropylene raw material and various auxiliary agents are mixed by using the high speed stirrer, and the obtained mixture is subjected to melt extrusion and granulation with the twin-screw granulation machine; the prepared polypropylene sphere bubble material has advantages of excellent mechanical property, high transparency and light stability; the method has advantages of short product molding cycle, rapid processing, production efficiency improving, and manufacturing cost reducing; and the obtained polypropylene sphere bubble material is specially applied in LED lampshades and other lamp tool members.
Owner:佛山市顺德区山德塑胶五金有限公司
Synthetic method of quinazoline-2,4(1H, 3H)-dione and derivatives thereof
The invention discloses a synthetic method of quinazoline-2,4(1H, 3H)-dione and derivatives thereof. The method comprises the following steps: carrying out a carboxy cyclization on a substrate o-aminobenzontrile or 4,5-position substituted derivatives thereof in carbon dioxide with a diethanolamine-water solution as a catalyst, and filtering, washing and drying the obtained reaction solution to obtain the product quinazoline-2,4(1H, 3H)-dione and the derivatives thereof, wherein a molar ratio of the substrate to the diethanolamine-water solution is (3-8):(1-3); the reaction temperature of the carboxy cyclization is 60-140 DEG C, and the reaction time is 6-18 h; and the pressure of the carbon dioxide is 0.5-2 MPa. Compared with the prior art, the synthetic method has the advantages of low cost of the catalyst, high product yield and good selectivity, and is an environmentally-friendly method for homogeneous catalytic synthesis of the quinazoline-2,4(1H, 3H)-dione and the derivatives thereof.
Owner:EAST CHINA NORMAL UNIV
Method for preparing carbon-coated porous silicon material for lithium battery electrode
PendingCN110265640AEasy to operateSave raw materialsNegative electrodesSecondary cellsSilicon electrodeCarbon coated
The invention discloses a method for preparing a carbon-coated porous silicon material for a lithium battery electrode; the carbon-coated porous silicon material is prepared by combining two effective methods of forming a porous structure and carbon-coated silicon on a silicon material, so that the problem of the silicon electrode material is effectively solved.
Owner:SHANGHAI UNIV
Triatomic-scale dispersed metal cluster loaded nitrogen-doped nano carbon fuel cell catalyst
PendingCN111755705AExcellent oxygen reduction activityImprove battery performanceCell electrodesPtru catalystFuel cells
The invention relates to a three-atomic-scale dispersed metal cluster fuel cell catalyst. The catalyst comprises a triatomic metal cluster and a nitrogen-doped nanocarbon material, metal in the triatomic metal cluster is dispersed on a substrate in the form of the triatomic cluster, the nitrogen-doped nanocarbon comprises a carbon source and a nitrogen source, and the triatomic metal cluster is loaded on the nitrogen-doped nanocarbon. A fuel cell assembled by the material exhibits an excellent cell performance. The catalyst has the advantages of simple and controllable steps, good reproducibility, and easy realization of industrial production.
Owner:浙江晨阳新材料有限公司
Method for preparing composite membrane through interfacial polymerization and reaction device
PendingCN112076714AEasy to operateLow reaction conditionsMembranesSemi-permeable membranesPolymer sciencePolymer chemistry
The invention belongs to the field of membrane preparation, and particularly relates to a method for preparing a composite membrane through interfacial polymerization. Themethod comprises the steps ofvertically fixing a support body in a reaction container with a liquid cavity, dividing the accommodating cavity of the reaction container into two parts by the support body, respectively adding a water phase and an organic phase into the two parts of the accommodating cavity, and standing; and after the two phases react and a polymer membrane layer is formed on the surface of the support body, ending the reaction to obtain the support body attached with the polymer membrane layer, namely the composite membrane; and solvents of the water phase and the organic phase being immiscible, and solutes in the water phase and the organic phase reacting with each other to form a polymer layer. The invention further relates to a reaction device adopting the method for preparing the composite membrane through interfacial polymerization. The reaction device comprises a container and a clamping mechanism, the clamping mechanism vertically fixes the supporting body in the container and divides the accommodating cavity of the container into a left part and a right part, and the two parts of accommodating cavity are respectively provided with a feeding port.
Owner:HEFEI UNIV
Method for preparing nanometer silver halide colloids
ActiveCN101659439BThe steps are simple and controllableProcess environmental protectionSilver halidesParaffin waxDecomposition
Owner:JIANGSU NADN SCI TECH CO LTD
Cell model and constructing method thereof, and applications of cell model in screening active substances targeting serotonin receptor
InactiveCN108570450ASensitive screeningFilter effectsCompound screeningApoptosis detectionSerotoninResponse element
The invention discloses a cell model for stably expressing a 5-HT1B (serotonin) gene, and a constructing method thereof, and applications of the cell model in screening of active substances targeting5-HT1BR (serotonin receptor), particularly in screening of anti-depression drugs and anti-migraine drugs, wherein the cell model is mammalian cells capable of carrying and stably expressing the 5-HT1Bgene. The constructing method comprises: linking a 5-HT1B gene to an expression vector to construct recombinant plasmid, introducing the recombinant plasmid into mammalian cells, and carrying out screening culture to obtain the cell line capable of stably expressing the 5-HT1B gene, wherein the cell line can be used for screening the active substance targeting 5-HT1BR. According to the present invention, whether the to-be-screened substance is screened is judged by determining the yield or the activation degree of the response element after the to-be-screened substance is added to the cell model culture medium, such that the high-throughput, low-cost and accurate screening of the active substance targeting 5-HT1BR can be achieved, and the good stability and the good reliability can be achieved.
Owner:EZHOU INST OF IND TECH HUAZHONG UNIV OF SCI & TECH
Preparation method of loquat vinegar drink
InactiveCN105876575AGreat tasteImprove qualityVinegar preparationFood ingredient functionsAcetic acidEthylic acid
The present invention discloses a preparation method of loquat vinegar drink and relates to the technical field of drink processing. The loquat vinegar drink is prepared from loquat leaves, licorice, crystal sugar powder and pure water. The loquat leaves and licorice are boiled into solution, the solution, crystal sugar powder and pure water are poured into a porcelain jar, the temperature of the porcelain jar is heated to 85 DEG C until the crystal sugar powder is melt, the melt crystal sugar is cooled, acetic acid bacterium strains are inoculated into the cooled melt crystal sugar with a weight of 0.5%-2% of the total weight of the raw materials, the mixture is stirred evenly, and the stirred mixture is subjected to a sealed fermentation; after the completion of the fermentation, the obtained fermentation liquid is subjected to an acid regulation at an environment temperature of 20-28 DEG C and the total acid content of the fermentation liquid is controlled; and the acid regulated fermentation liquid is sterilized, the sterilized fermentation liquid is subjected to filling, and the fermentation liquid after being subjected to filling is put into a storage to be stored at 2-6 DEG C. The processes are simple, the steps are easy to control, and the prepared loquat vinegar drink is good in tastes, excellent in quality, soft in mouthfeel, refreshing and good in stability. Due to the addition of the licorice and loquat leaves, and at the same time, the loquat vinegar drink can prevent and cure symptoms of cough, excessive phlegm, etc., also has nutrients of the acetic acids, and is moderate in acidity and suitable for people at all ages.
Owner:吴林媛
A kind of metal fiber electric brush and preparation method thereof
ActiveCN104332795BCompact structureImprove current carrying capacityRotary current collectorBrushes manufactureMetallurgyMetal fibers
The invention discloses a metal fiber brush and a preparation method thereof. The brush comprises conductive metal fibers and filling metal fibers. The length of the filling metal fibers is shorter than the length of the conductive metal fibers, one end of each filling metal fiber is flush with one end of each conductive metal fiber, the conductive metal fibers and the filling metal fibers are uniformly arranged along a length direction, and after compacting molding, the filling metal fibers and the conductive metal fibers are integrally wrapped by a metal wrapping sleeve. The preparation method comprises: winding the conductive metal fibers and the filling metal fibers together on a wire reel to form a metal fiber ring; and cutting the metal fiber ring, after the compacting molding, immersing one end of the metal fiber ring in an acid solution or aqueous alkali, and dissolving the filling metal fibers to obtain the metal fiber brush. The metal fiber brush is compact and reasonable in structure, high in fiber bonding strength, simple in preparation process, large in current carrying capability, small in contact resistance, long in service life, fast in sliding speed, small in heat productivity and small in debris amount, is suitable for industrial production, can replace a conventional carbon brush or a conventional metal fiber brush, and can satisfy the application demand for a large-power high-precision conductive slip ring.
Owner:CENT SOUTH UNIV
Visible light degradation agent for dyeing wastewater treatment and preparation method of visible light degradation agent
InactiveCN102716742BEfficient transferInhibitory complexWater/sewage treatment by irradiationEnergy based wastewater treatmentDyeing wastewaterHydrolysis
The invention discloses a visible light degradation agent for dyeing wastewater treatment and a preparation method of the visible light degradation agent and belongs to the field of preparation of inorganic nano-composite materials. Hydrolyzable titanium salt is adopted as a main raw material, soluble tin salt and silver salt are adopted as doping agents of tin and silver elements, and eventually Sn and An co-doped TiO2 is obtained through the processes of hydrolysis, grinding, calcination and the like; and the TiO2 has an excellent degradation property for methylene blue under visible light. The nano powder prepared by the invention has the characteristics of small granularity, regular appearance, uniformity in distribution, good dispersivity and the like; and the technology has an industrial popularization value due to high synthesis speed, low cost, high productivity and zero contamination.
Owner:SUZHOU UNIV
Medicine for treating scalds
InactiveCN110522837AGood curative effectQuick resultsHydroxy compound active ingredientsDermatological disorderRadix AconitiCurative effect
The invention discloses a medicine for treating scalds. The medicine comprises the following components in parts by weight: 1-5 parts by weight of rheum officinale, 7-11 parts by weight of sanguisorbaofficinalis, 5-9 parts by weight of cistanche deserticola, 4-6 parts by weight of Suberect Spatholobus Stem, 10-20 parts by weight of lumbricus, 12-16 parts by weight of achyranthis bidentatae, 3-5 parts by weight of angelica sinensis, 5-7 parts by weight of bulbus fritillariae cirrhosae, 6-8 parts by weight of cassia twig, 10-15 parts by weight of ephedra, 4-8 parts by weight of dark plum, 14-18parts by weight of raw radix aconiti and 15-19 parts by weight of radix aconiti. The traditional Chinese medicine components in the medicine supplement each other, clear away heat and toxic materials, have a good effect on I-degree and II-degree scalds or burns, are good in curative effect, take effect quickly, and can stop bleeding and relieve pain, and scars are not likely to be left after wounds are healed. The use range is wide, carrying is convenient, the price is low, and popularization is facilitated.
Owner:李兴夫
Tooth direction slope compensation method in toothed-wheel grinding process
ActiveCN108213607AImprove grinding accuracyRealize borrowingGear-cutting machinesGear teethEngineeringHelix angle
The invention discloses a tooth direction slope compensation method in the toothed-wheel grinding process. According to the tooth direction slope compensation method, by means of a machine tool program, position coordinates of P1 and P3 on a toothed-wheel are confirmed, the actual helix angle of the toothed-wheel helix line is calculated through the coordinate values of the two points, the actualhelix angle is compared with the theoretical helix angle, thus the difference value of the actual helix angle and the theoretical helix angle is confirmed, the difference value is compensated into a system, the rectification of the helix angle is realized, so that grinding of all tooth surfaces is guaranteed. The tooth direction slope compensation method in the toothed-wheel grinding process is simple in overall steps and easy to control, the grinding precision of toothed-wheels can be greatly improved, and the finished product rate of products is improved.
Owner:CHONGQING MACHINE TOOL GROUP
A preparation method of thermosensitive liposome with whitening effect
ActiveCN107997979BReduce transferReduce synthesisCosmetic preparationsToilet preparationsThermosensitive liposomesWhitening Agents
Owner:苏州纳康生物科技有限公司
Making method of loquat, milk and lactic acid beverage
The invention discloses a making method of a loquat, milk and lactic acid beverage and relates to the technical field of beverage processing.The loquat, milk and lactic acid beverage is made from loquat leaves, licorice roots, rock candy powder, purified water and raw milk.The making method comprises the steps that the raw milk is firstly boiled, then the loquat leaves and the licorice roots are decocted into a solution, then the cooked milk and the purified water are poured into a jar for heating, then the rock candy powder is added, candy melts by using activated carbon to form syrup, the loquat leaf and licorice root solution is poured into the syrup, sterilization and cooling are performed, an acetic acid strain is inoculated in the cooled liquid for fermentation, strain control is conducted on the fermented liquid, and then acid adjustment is performed.The making method is simple in process, the steps are easy to control, the made loquat, milk and lactic acid beverage has a good, soft and refreshing taste, good quality and good stability.Due to the fact that the licorice roots and the loquat leaves are added, the loquat, milk and lactic acid beverage can prevent cough, excessive phlegm and other symptoms, further has the nutritional ingredients of lactic acid and moderate acidity and is suitable for people of all ages.
Owner:吴林媛
Strain for stably and efficiently hydrolyzing oil meal and application of strain
ActiveCN109679859AAdaptableStrong toleranceBacteriaMicroorganism based processesMicroorganismMicrobiology
The invention belongs to the field of microbial fermentation and specifically relates to a strain for stably and efficiently hydrolyzing oil meal and application of the strain. The strain is preservedin China Center for Type Culture Collection called CCTCC for short on November 14, 2018; a preservation address is Wuhan University, Wuhan, China; and a preservation number is CCTCC NO: M 2018794. According to the strain provided by the invention, the oil meal is stably and efficiently hydrolyzed through liquid fermentation; the time is short, steps are simple and a process is controllable and monitored; and meanwhile, composing components of generated hydrolysis fluid are more stable and the strain is applicable to market requirements and subsequent application.
Owner:INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI
Cod hot pot oil material and preparation method thereof
PendingCN110269232AHigh nutritional valueNot easy to blurSugar food ingredientsLipidic food ingredientsGlucose polymersGingerol
The invention provides a cod hot pot oil material and a preparation method thereof. The preparation method of the cod hot pot oil material comprises the steps that 1.39-6.94% of ginger is pulped into an extraction tank, then 13.15-88.5% of olive oil is heated up and is pumped into the extraction tank, and extraction and filtering are carried out for later use; the obtained olive oil is heated, 2.78-13.89% of tomato and potato sauce and 1.85-4.63% of garlic are sequentially stir-fried, and then 3.24-15.52% of cod extract is added and decocted; and then 0.46-2.78% of iodized salt and 0.46-6.94% of glucose are added, and finally 1.39-4.63% of pepper oil is added and evenly stirred to make the cod hot pot oil material. The cod hot pot oil material prepared by the preparation method is nutritious, easy to absorb and delicious in taste.
Owner:湖南川渝食品有限公司
Zirconium-amino functionalized mesoporous silica and preparation method and application thereof
ActiveCN114160094AAppropriate areaImprove adsorption capacityOther chemical processesWater contaminantsPhysical chemistryMesoporous silica
The invention relates to zirconium-amino functionalized mesoporous silica and a preparation method and application thereof.The zirconium-amino functionalized mesoporous silica is obtained by sequentially conducting amino modification and zirconium loading on mesoporous silica, the specific surface area of the zirconium-amino functionalized mesoporous silica is 150-600 m < 2 > / g, the pore volume of the zirconium-amino functionalized mesoporous silica is 0.5-1.5 cm < 3 > / g, and the average pore size of the zirconium-amino functionalized mesoporous silica is 5-30 nm. The zirconium-amino functionalized mesoporous silica provided by the invention has proper pore size and specific surface area, has good adsorption effect on glyphosate in water, high adsorption rate and large adsorption capacity, and is relatively low in raw material cost, simple and controllable in preparation steps, mild in reaction condition, non-toxic, green and environment-friendly in preparation process and suitable for large-scale production.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
Flame-retardant and scratch-resistant light-diffusing PP material and preparation method thereof
Owner:江苏沃特新材料科技有限公司
Iron-amino functionalized mesoporous silica and preparation method and application thereof
PendingCN114160093AImprove adsorption capacityFast adsorption rateOther chemical processesWater contaminantsSurface reactionGlyphosate
The invention relates to iron-amino functionalized mesoporous silica and a preparation method and application thereof.The iron-amino functionalized mesoporous silica is obtained by sequentially conducting amino modification and iron loading on mesoporous silica, the specific surface area of the iron-amino functionalized mesoporous silica is 150-600 m < 2 > / g, the pore volume of the iron-amino functionalized mesoporous silica is 0.4-1.5 cm < 3 > / g, and the average pore diameter of the iron-amino functionalized mesoporous silica is 5-30 nm. The iron-amino functionalized mesoporous silica provided by the invention has proper pore size and surface reaction activity, has good adsorption effect on glyphosate in water, high adsorption rate and large adsorption capacity, and is relatively low in raw material cost, simple and controllable in preparation steps, mild in reaction condition, non-toxic and environment-friendly in preparation process and hopeful to realize industrial production.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
Method for preparing C-N-codoped nano-TiO2 powder
ActiveCN102161506BHigh purityThe steps are simple and controllableNanotechnologyTitanium dioxideWater vaporWater gas
The invention discloses a method for preparing C-N-codoped nano-TiO2 powder. The method comprises the following steps of: mixing tetra-n-butyl titanate and absolute ethanol in a volume ratio of 1:(5-10), and adding 0.1 to 1.0 mass percent of urea to obtain colorless transparent mixed liquor; under stirring conditions, conveying the air containing water vapor into the mixed liquor and reacting; and drying obtained emulsion to obtain white powder, and calcining at the temperature of between 300 and 500 DEG C to obtain C-N-codoped TiO2 nanoparticles. In the method, the whole reaction process is controlled by utilizing steam, and organic surfactants and dispersants are not needed to be added, so the invention has the characteristics that the process is simple and easy to control and the production process is environment-friendly; and a prepared product has higher purity, microscopic sizes of particles are uniform, the dispersibility is high, and the method is particularly suitable for continuous industrial production.
Owner:JIANGSU NADN SCI TECH CO LTD
A kind of preparation method of ultra-high specific surface area carbon aerogel material
ActiveCN110143581BHigh aspect ratioStrong fiber opening degreeCarbon preparation/purificationAerogel preparationFiberPtru catalyst
Owner:NANKAI UNIV
Processing method of lithium ion battery pole
InactiveCN110120490AHigh material utilizationImprove mass production efficiencySmall-sized cells cases/jacketsAluminum compositesChemistry
The invention discloses a processing method of a lithium ion battery pole, which specifically comprises the following steps: step 1, preparing a base material, processing one end of a copper column into a step-shaped convex part, and processing an aluminum plate into a groove matched with the step-shaped convex part of the copper column; step 2, carrying out electroplating on the surface of the convex part of the copper column; step 3, coating the convex part of the copper column and the groove of the aluminum plate with metal brazing materials, and assembling the copper column and the aluminum plate; step 4, brazing the assembled copper column and the aluminum plate; step 5, removing an oxide layer and smudginess on the surface of a copper-aluminum composite pole; and step 6, carrying outoil removing and cleaning. Compared with a copper-aluminum friction welding process, the machining material utilization rate is high, the batch production efficiency is high, and the overall cost isreduced by about 30%. The copper-aluminum composite pole produced through the processing method is not prone to desoldering, the overall stability of the product is improved, and the overall weight islow. By use of the processing method, batch production can be achieved, equipment investment is low, production efficiency is high, and the production cost can be reduced.
Owner:广东九九华立新材料股份有限公司
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