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109 results about "Ammonium peroxydisulfate" patented technology
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Polishing composition and method for producing a memory hard disk
InactiveUS6280490B1High cutting rateSmall surface roughnessPigmenting treatmentOther chemical processesIron sulfateEthylenediamine
A polishing composition for a memory hard disk, which comprises the following components (a) to (d):(a) from 0.1 to 50 wt %, based on the total amount of the polishing composition, of at least one abrasive selected from the group consisting of silicon dioxide, aluminum oxide, cerium oxide, zirconium oxide, titanium oxide, silicon nitride and manganese dioxide,(b) from 0.001 to 10 wt %, based on the total amount of the polishing composition, of at least one iron salt selected from the group consisting of iron nitrate, iron sulfate, ammonium iron sulfate, iron perchlorate, iron chloride, iron citrate, ammonium iron titrate, iron oxalate, ammonium iron oxalate and an iron chelate complex salt of ethylenediaminetetraacetic acid,(c) from 0.01 to 30 wt %, based on the total amount of the polishing composition, of at least one peroxydisulfate salt selected from the group consisting of ammonium peroxydisulfate, potassium peroxydisulfate and sodium peroxydisulfate, and(d) water.
Owner:FUJIMI INCORPORATED
Molecular cngram resin and prepartion method, and application for separating and purifying protein
InactiveCN1687167AEasy to quantifyAvoid destructionPeptide preparation methodsCarrier-bound/immobilised peptidesCross-linkSulfite salt
The present invention relates to a molecular imprinting resin, its preparation and application for separation and purification of protein. Its aperture is 2-3 micrometers, and it is prepared by using acrylamide as monomer, using grafts of low molecular weight polyethanol as auxiliary identification chain, using bovine serum albumin as template, using N,N-methylenebisacrylamide as cross-linking agent, using acrylic ester macroporous resin spheres as carrier in phosphate baffer system and using ammonium peroxydisulfate-sodium sulfite oxidation reduction system as initiator through cross-linking polymerization for 4-6 h. at 4-10 deg.C.
Owner:NANKAI UNIV
Preparation method for composite material of sulfonated graphene/polypyrrole
InactiveCN102702520ALarge specific surface areaImprove solubilityOther chemical processesWater/sewage treatment by sorptionIndustrial waste waterPolypyrrole
The invention relates to a preparation method of a silver-ion absorbent, and an application of the silver-ion absorbent, belonging to the field of industrial waste water treatment. The preparation method for composite material of sulfonated graphene / polypyrrole comprises the following steps that 1) sulfonated grapheme is prepared via a chemical oxidization method by utilizing natural graphite; 2) the sulfonated grapheme is dispersed and dissolved in water, and pyrrol is added to obtain solution A, wherein the concentration of the sulfonated grapheme is 0.5-1.5mg / mL, and the concentration of the pyrrol is 0.05-0.2mol / L; 3) ammonium peroxydisulfate is dissolved in water, a mole ratio of the ammonium peroxydisulfate to the pyrrol is 0.5:1 to 2:1, and aqueous solution of the ammonium peroxydisulfate is obtained; 4) the aqueous solution of the ammonium peroxydisulfate is added into the solution A, and is mixed for a reaction for 12-36 hours; and 5) the obtained product in the step 4) is filtered and washed until the filter liquor is colorless, and the composite material of the sulfonated graphene / polypyrrole is obtained after the filter liquor is dried by vacuum baking. The composite material of the sulfonated graphene / polypyrrole has a remarkable absorbing and recycling performance for silver ions.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
Preparation method and applications of ferriferrous oxide-polyaniline-gold nano composite material
InactiveCN104971778AAvoid tedious centrifugationEasy to manufactureWater/sewage treatment by irradiationOrganic-compounds/hydrides/coordination-complexes catalystsSolventAmmonium peroxydisulfate
The invention discloses a preparation method a ferriferrous oxide-polyaniline-gold nano composite material. According to the preparation method, nano Fe3O4 is synthesized via solvothermal method, and is taken as the core of the composite material; Fe3O4 is uniformly dispersed into a PVP aqueous solution; aniline monomer, citric acid, and initiator ammonium peroxydisulfate are added respectively under ice bath and continuous stirring so as to form polyaniline on the surface of nano Fe3O4 from aniline via polymerization, and obtain a Fe3O4-PANI core-shell structure composite material; assembling of prepared gold nanosol with Fe3O4-PANI is realized via electrostatic attraction; and finally seed-mediated growth is adopted, and gold shell is prepared from gold seed with methanol and a reductive gold salt solution so as to obtain the ferriferrous oxide-polyaniline-gold nano composite material. The preparation method of ferriferrous oxide-polyaniline-gold nano composite material is low in cost, simple in technology, and excellent in performance; and the ferriferrous oxide-polyaniline-gold nano composite material is sensitive and rapid, and can be recycled in catalyzing pollutant p-nitrophenol.
Owner:TIANJIN UNIV
Conductive high molecular polyaniline modified sodium vanadium phosphate anode material and preparation method thereof
ActiveCN106784669ALow costNo pollution in the processCell electrodesSecondary cellsPhosphoric acidAqueous ethanol
The invention provides a conductive high molecular polyaniline modified sodium vanadium phosphate anode material and a preparation method thereof. The method comprises the following steps: performing ball milling on sodium source Na2CO3, vanadium source NH4VO3 or V2O5 and phosphorous source NH4H2PO4 or (NH4)2HPO4 in an absolute ethyl alcohol medium for 6-10 hours, drying, and pre-roasting the obtained powder in a tube furnace to obtain a precursor; adding a carbon source into the precursor, performing ball milling, drying, and sintering in the tube furnace under nitrogen atmosphere to obtain a carbon cladding sodium vanadium phosphate sample; adding the carbon cladding sodium vanadium phosphate material into an alcohol / aqueous solution of hydrochloric acid, performing ultrasonic treatment to obtain suspended solids, adding aniline monomer (AN) and ammonium peroxydisulfate (APS), stirring to obtain a black substance, washing the black substance with deionized water and alcohol for multiple times, and drying in vacuum to obtain a polyaniline modified sodium vanadium phosphate sample; and performing drying, film stamping and film pressing to obtain an anode material pole piece of a sodium ion cell.
Owner:CHINA THREE GORGES UNIV
Preparation method of polydopamine modified basalt fiber carrier
InactiveCN110258116ALarge specific surface areaGood chemical stabilityFibre treatmentBiological water/sewage treatmentAdhesiveBiocompatibility Testing
The invention relates to a preparation method of a polydopamine modified basalt fiber carrier and belongs to the technical field of inorganic fiber material modification and the field of wastewater treatment. The preparation method specifically includes the steps of 1), alkali etch, namely immersing a basalt fiber bundle washed with an acetone solution in a NaOH solution for etching, washing the basalt fiber bundle with deionized water for multiple times after removal, and drying the basalt fiber bundle for standby use; 2), preparation of a Tris-HCl buffer solution, namely adjusting the pH value to 8.0-8.5; 3), preparation of a dopamine modified solution, namely dissolving the dopamine modified solution and ammonium peroxydisulfate in the Tris-HCl buffer solution to obtain 2-4mg / mL of the dopamine modified solution; 4), immersing etched and dried basalt fibers in the dopamine modified solution and placing the basalt fibers on a vibrating table at room temperature, and taking out the basalt fibers for drying after vibration. The preparation method has the advantages of simple process, convenient operation and green environmental friendliness; abundant surface functional groups and good biocompatibility and hydrophilicity are achieved, the adhesive of microorganisms on the surface is promoted, the amount of film hanging is increased, and the efficiency of sewage / wastewater treatment is improved.
Owner:SOUTHEAST UNIV
KT sheet gum and preparation method thereof
ActiveCN101570673AGood film formingImprove film formationMonocarboxylic acid ester polymer adhesivesPolyvinyl alcoholPotassium hydroxide
The invention provides a KT sheet gum and a preparation method thereof. The KT sheet gum is prepared from the following raw materials by weight percentage: 25 percent of vinyl acetate, 22 percent of butyl acrylate, 4.25 percent of methyl methacrylate, 1.178 percent of acrylic acid, 2 percent of N-hydroxymethyl acrylamide, 1.25 percent of polyvinyl alcohol 17-88, 0.95 percent of sodium dodecylbenzene sulfonate, 0.525 percent of non-ionic emulsifier OP-10 (nonylphenol polyoxyethylene ether), 0.125 percent of disodium hydrogen phosphate dodecahydrate, 0.2 percent of ammonium peroxydisulfate, 1.78 percent of potassium hydroxide, 0.1-0.2 percent of pH regulator, and 40.542-40.642 percent of distilled water. The KT sheet gum has the advantages of good initial viscosity, high cohesional strength, good water resistance, good aging resistant performance and neutral pH value, has no influence on a KT sheet, namely a PS foam material, and can perform cold gluing at normal temperature, the time for pasting composite curing is short, and the using process is convenient; besides, the KT sheet gum has no organic solvent, and the product contains no formaldehyde.
Owner:顶立新材料科技股份有限公司
Modification method for improving saline tolerance of acrylic acid macromolecule water uptake resin with alpha-cyclodextrin
The invention relates to a modification method for improving the salt tolerance of a crylic acid macromolecule absorbent resin. The modification method which utilizes Alpha-cyclodextrin to improve the salt tolerance of the crylic acid macromolecule absorbent resin is characterized by comprising the following steps: 1) according to the parts of all component raw materials by weight as follows: 15 portions to 40 portions of crylic acid, 5 portions to 18 portions of sodium hydroxide, 0.02 portion to 1 portion of N, N'- methylene bisacrylamide, 0.05 portion to 2 portions of Alpha-cyclodextrin, 0.04 portion to 2 portions of ammonium peroxydisulfate and 15 portions to 54 portions of water, the raw materials are selected; 2) all raw materials are added into a reaction kettle with a water bath, the temperature is risen to 65 DEG C to 80 DEG C and the reaction lasts for 1 hour to 3 hours; 3) stirring in the reaction kettle is stopped and the kettle is allowed to stand for 0.5 hour to 2 hours and reaction mass in the reaction kettle is discharged; and 4) after being dried, the reaction mass is crushed, thus obtaining the modified crylic acid macromolecule absorbent resin. The method can evidently improve the salt tolerance of the crylic acid macromolecule absorbent resin prepared by the method can be evidently improved.
Owner:WUHAN UNIV OF TECH
Preparation method of three-dimensional ordered large-hole manganese oxygen 'lithium ionic sieve'
InactiveCN101062473AImprove adsorption capacityImproved internal and external areasOther chemical processesLithium compoundsAdhesivePolystyrene
The invention relates to the making of 3DOM. It is made through synthesizing polymethyl methacryate or polystyrene pattern lumber, using Li and Mn front drive solution to stuff glue crystalline, through two sections of constant temperature baking to get 3DOM, using acid or peroxy-disulfate to perform acid etch. The result is that the product is the low density material in small blocks, unnecessary to add adhesive with high adhesive feature, using ammonium peroxy-disulfate to remove Li, reduced in Mn ion damage, improved adhesive feature, showing three dimensional porous frame structure, significantly improved in drive power inside the screen and the outside surface of the micro hole adhesive, being a dual hole channel with both macro and micro holes.
Owner:XIANGTAN UNIV
Quenching agent and method for stub axle
A quenching medium as cooling medium for vehicle steering node quenching heat treatment and quenching method are disclosed. The quenching medium consists of polyvinyl alcohol, polyacrylic acid salt, ammonium peroxydisulfate and water by proportion through heating polymerizing, cooling and obtaining quenching medium stoste. Heating steering node to austenite state when using, and diluting original solution into different one hundred percent concentration by size, shape and hardening ability of steering node for process of steering node single-phase , stage or double fluid quenching. It is effective for steering node phi<70mm and fatigue life of steering life reaches or above to 500000 times.
Owner:上海嘉仕久机械制造有限公司
Insulating coating, electrical steel material and preparation method of electrical steel material
ActiveCN103865380AImprove heat resistanceImprove corrosion resistancePretreated surfacesMetallic material coating processesPhosphateZinc nitrate
The invention provides an insulating coating. The insulating coating is obtained by mixing evenly a raw material mixture; the raw material mixture contains a dihydric phosphate, an oxidizing agent, a silane coupling agent, an acid, a water soluble silicate and water; the oxidizing agent is at least one of sodium perchlorate, potassium permanganate, hydrogen peroxide, sodium chlorate, sodium nitrite, zinc nitrate, sodium persulfate, sodium bromate, ammonium peroxydisulfate, sodium molybdate and cobalt nitrate. The invention also provides an electrical steel material. The invention also provides a preparation method of the electrical steel material. The invention further provides the electrical steel material obtained according to the preparation method of the electrical steel material. The insulating coating after curing has good heat resistance, insulativity, adhesiveness, corrosion resistance, punching and shearing processability and other properties.
Owner:PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
Method of manufacturing of 7-ethyl-10-hydroxycamptothecin
InactiveUS7544801B2Organic chemistryAntineoplastic agents7-ethyl-10-hydroxycamptothecinCarboxylic acid
Owner:PLUS CHEMICAL S A
Preparation method of zinc-series metal treatment fluid
ActiveCN105483681AImprove bindingFast film formationMetallic material coating processesHexamethylenetetraminePhosphate
The invention discloses a preparation method of a zinc-series metal treatment fluid, and also discloses a using method of the zinc-series metal treatment fluid. The zinc-series metal treatment fluid comprises the following raw materials in parts by weight: 80-150 parts of zinc dihydrogen phosphate, 20-40 parts of zinc oxide, 15-40 parts of a phosphoric acid and nitric acid mixed solution, 10-30 parts of calcium nitrate, 2-5 parts of manganese carbonate, 2-4 parts of sodium fluorosilicate, 1-4 parts of hydroxylamine sulphate, 3-6 parts of a triazole compound, 2-3 parts of sodium citrate, 5-15 parts of a polyphosphate, 1-3 parts of sodium fluoride, 1-2 parts of ammonium peroxydisulfate, 5-10 parts of sodium molybdate, 1-3 parts of hexamethylenetetramine, 3-5 parts of sodium trimetaphosphate, and 2-4 parts of nickel sulfate.
Owner:广东志远环保设备有限公司
Method for producing meta type polyaniline
InactiveUS6303053B1Reduce catalytic activityImprove proton conductivityConductive materialOrganic conductorsN dimethylformamideAmmonium peroxydisulfate
A novel method for producing a meta type polyaniline, comprising polymerizing aniline in at least one organic solvent selected from N-methyl-2-pyrrolidone, N,N-dimethyl sulfoxide, N,N-dimethylacetamide and N,N-dimethylformamide, in the presence of at least one oxidizing agent selected from ammonium peroxodisulfate, iron(III) chloride, manganese dioxide and hydrogen peroxide, at -20° C. to 50° C.
Owner:HONDA MOTOR CO LTD
Preparation method of high-heat-conductivity graphite radiating fin
ActiveCN103476226AReduce pollutionReduce sulfur contentGraphiteCooling/ventilation/heating modificationsAmmonium peroxydisulfateReducing agent
The invention discloses a preparation method of a high-heat-conductivity graphite radiating fin. Natural flake graphite is used as a raw material, ammonium peroxydisulfate is used as an oxidant, nitric acid phosphoric anhydride are used as intercalators, and a small amount of oxalic acid is used as a reducer to prepare low-sulfur highly-expanded graphite; and a water washing method and an expansion method are improved to finally prepare the high-heat-conductivity graphite radiating fin, wherein the sulfur content of the prepared expanded graphite is less than 1%. The method has the advantages of simple preparation technique, mild reaction conditions, small environmental pollution, accessible raw materials, low cost and the like, and is easy to master and convenient for popularization.
Owner:SHENZHEN HFC SHIELDING PRODS CO LTD
Electrochemical methods for making highly soluble oxidizing agents
InactiveUS20070012570A1Good water solubilityImprove solubilityElectrolysis componentsVolume/mass flow measurementSolubilityHydration reaction
Methods for preparing oxidizing agents having enhanced water solubility properties, such as magnesium permanganate, calcium permanganate and ammonium peroxydisulfate are prepared from oxidizing agents having more limited water solubility properties, such as potassium permanganate and potassium peroxydisulfate by electrochemical means employing oxidant stable, cationic permselective ion-exchange membranes that are also suitable for transporting a preponderance of cations with lower water of hydration, such as potassium over other more highly hydrated cations, such as sodium, magnesium and calcium used to replace the leaving potassium ion, and form more soluble oxidizer salt solutions. The methods may be practiced in multi-compartmentalized electrolytic cells, such as metathesis electrodialysis cells. The methods of the invention are also more attractive economically over previous technologies by simultaneously generating a value-added co-product without costly reagents, while avoiding the disposal of unwanted waste by-products, and the like.
Owner:CARUS CORP
Liquid composition for removing titanium nitride, semiconductor-element cleaning method using same, and semiconductor-element manufacturing method
ActiveCN105981136AInorganic/elemental detergent compounding agentsCationic surface-active compoundsTitanium nitrideAmmonium peroxydisulfate
Owner:MITSUBISHI GAS CHEM CO INC
Etching liquor for laminated film of aluminium metal film and molybdenum metal film
The present invention provides an excellent etching solution capable of not only integrally etching metal laminated films composed mainly of molybdenum-based metal and aluminum-based metal, but also controlling side etching amount of each film, through which the cone angle is controlled within the range of 20-70 degree. Said etching solution capable of etching laminated films of molybdenum-based metal film and aluminum-based metal film forming at insulating film base plates contains sulfonic acid compounds, phosphoric acids and nitric acids, wherein said sulfonic acid compounds are selected from the group of sulphuric acid, ammonium sulfate, sodium sulfate, potassium sulfate, ammonium bisulfate, sodium bisulfate, potassium bisulfate, calcium sulfate, ammonium ceric sulfate, ferric sulfate, copper sulfate, magnesium sulfate, lead sulfate, hydroxyl ammonium sulfate, acylamide sulfate, acylamide ammonium sulfate, ammonium persulphate, ethylenediamine sulfates, aniline sulfates and adenine sulfates.
Owner:KANTO CHEM CO INC
Analysis method of chromium in chromium vanadium hydrogen storage alloy
ActiveCN105352900ARapid determinationAccurate measurementColor/spectral properties measurementsDissolutionAmmonium peroxydisulfate
The invention relates to an analysis method of chromium in a chromium vanadium hydrogen storage alloy, and belongs to the field of analytical chemistry. The invention solves the technical problem by providing a simple rapid accurate and direct analysis method for determining chromium content in the chromium vanadium hydrogen storage alloy. The method includes the steps of: A, dissolution of sample: dissolving a vanadium chromium hydrogen storage alloy sample with sulfuric acid and nitric acid, and adding water to a constant volume to obtain a sample solution; B, oxidation: adding ammonium peroxydisulfate into the sample solution under certain acidity, oxidizing vanadium and chromium under the catalysis of silver nitrate; C, vanadium color masking; D, spectrophotometric determination and calculation of chromium content: determining the absorbance of chromium by a spectrophotometric method, and calculating the chromium content according to the absorbance. The method does not require a color developing agent in the spectrophotometric determination, uses the natural color of chrome, and masks the color of vanadium by adjusting the pH value, so as to eliminate the interference of vanadium on the determination of chromium; and the spectrophotometric method can directly measure the content of chromium in the chromium vanadium hydrogen storage alloy.
Owner:SUZHOU HAOLI CULTURE MEDIA TECH CO LTD
Preparation method of multi-copolymerized high salt tolerant acrylic resin
The invention discloses a preparation method of a multi-copolymerized high salt tolerant acrylic resin. Specifically, 99.98% high purity acrylic acid, 2-acrylamido-2-methylpropanesulfonic acid, potassium carbonate, starch, and acrylamide are adopted as raw materials, ammonium peroxydisulfate and sodium bisulfate are taken as redox initiators, and N, N-methylene-bisacrylamide is employed as a crosslinking agent to synthesize the multi-copolymerized high salt tolerant acrylic resin. By adding multielement components, an advanced level of the product is achieved, and fast absorption of multi-salt components is realized. The structural strength of the product is reinforced. Manual labor is substantially reduced, automatic operation of the product is realized, and the product stability is ensured. The anti-degradation property of the product is prolonged, thus being more conducive to the health and environmental protection of consumers during use of the product.
Owner:弭希海
Graphene-based aerogel electrode material containing sepiolite for corrosion prevention and preparation method of aerogel electrode material
InactiveCN106653380AGood adhesionHigh specific capacitanceHybrid capacitor electrodesHybrid/EDL manufactureCapacitanceAmmonium peroxydisulfate
The invention discloses a graphene-based aerogel electrode material containing sepiolite for corrosion prevention and a preparation method of the aerogel electrode material. The graphene-based aerogel electrode material containing sepiolite for corrosion prevention is characterized by preparing from the following raw materials: 2-3 of sepiolite, 10-20 of graphene oxide, 10-20 of glucose, 1-2 of sodium dodecyl sulfate, 20-30 of ZnCl2 solution, 30-40 of KMnO4, 80-100 of ethyl alcohol, 2-4 of acrylic emulsion, 3-5 of silane coupling agent KH560, 20-30 of pyrrole, 35-45 of p-toluenesulfonic acid, 35-40 of ammonium peroxydisulfate solution and 500-1,000 of distilled water. The attachment of manganese dioxide onto a surface of aerogel is facilitated after the aerogel is activated by ZnCl2, meanwhile, a dual-electrical layer capacitor and a Faraday capacitor can be combined by the attachment of manganese dioxide, the specific capacitance of a supercapacitor can be improved, the electrical conductivity of the manganese dioxide and the impregnation capability of an electrolyte can be also improved, and the cycle performance of the electrolyte is improved; and with the addition of the sepiolite in a matching way, the material is endowed with a corrosion prevention function.
Owner:ANHUI JIANGWEI PRECISION IND
A polypropylene conductive plastic and a preparation method thereof
The invention discloses a polypropylene conductive plastic and a preparation method thereof. The polypropylene conductive plastic comprises the following components in parts by weight: 40-50 parts of PP, 30-40 parts of carbon black, 20-25 parts of PP-g-MAH, 8-10 parts of ethylene-propylene rubber, 10-15 parts of powdered aluminum, 1-15 parts of titanium tetrabutoxide, 5-9 parts of dioctyl terephthalate, 5-6 parts of sodium sulfite, 10-19 parts of ammonium persulfate, 12-18 parts of diisobutyl phthalate, and 11-17 parts of isoeugenol. The polypropylene conductive plastic of the present invention has very good mechanical properties, high impact strength and relatively low shrinkage, good stability and no proneness of deformation; and also has good conductivity, so the plastic can be widely used in anti-electromagnetic interference products, etc., and can be used to replace metal materials, wherein superior performance and lower cost can be achieved.
Owner:SUZHOU NEW DISTRICT JIAHE PLASTIC
Water-absorbing resin dry glue powder and application thereof in demulsification of oil-water emulsion
InactiveCN102492069AEasy to separate and recycleEasy to makeNon-miscible liquid separationPolymer scienceSulfite salt
The invention discloses water-absorbing resin dry glue powder and application thereof in demulsification of oil-water emulsion. The dry glue powder is prepared from the following raw materials in percentage by weight: 10-40% of acrylic acid, 5-20% of sodium hydroxide, 0.5-8% of N-methylolacrylamide, 0.5-5% of ammonium peroxydisulfate, 0.5-2% of sodium sulfite and the balance being water; all the raw materials, except acrylic acid, are prepared into a water solution, a sodium hydroxide water solution reacts with acrylic acid, the neutralization degree is controlled to be 60-85%, then the solution of N-methylolacrylamide, ammonium peroxydisulfate and sodium sulfite is added to react at the temperature of 50-80 DEG C to produce hydrogel; and the hydrogel is cut into small pieces and dried ina drying oven, and the dried hydrogel pieces are smashed into the water-absorbing resin dry glue powder. The water-absorbing resin dry glue powder is added in emulsion and can spontaneously absorb water to expand through mechanical stirring so as to dehydrate the emulsion and realize demulsification. The water-absorbing resin dry glue powder is simple to prepare and easy for industrial production; dehydration and demulsification operations are convenient to implement and have low equipment requirement; and a water-absorbing material has high dehydration capability and is easy to separate and recycle, and can be recycled.
Owner:JIANGSU UNIV +1
Modification method for improving saline tolerance of acrylic acid macromolecule water uptake resin
InactiveCN101402702AImprove salt toleranceIncrease salt water absorption rateWater bathsAmmonium peroxydisulfate
The invention relates to a modification method for improving the salt tolerance of a crylic acid macromolecule absorbent resin. The modification method for improving the salt tolerance of the crylic acid macromolecule absorbent resin is characterized by comprising the following steps: 1) according to the parts of all component raw materials by weight as follows: 90 portions to 140 portions of n-hexane, 30 portions to 50 portions of coconut oil diethanolamide, 20 portions to 40 portions of crylic acid, 5 portions to 12 portions of sodium hydroxide, 3 portions to 15 portions of calcium chloride, 0.03 portion to 1 portion of N, N'- methylene bisacrylamide, 0.05 portion to 1 portion of ammonium peroxydisulfate and 32 portions to 100 portions of water, raw materials are selected; 2) water is respectively mixed with the sodium hydroxide and the calcium chloride so as to obtain sodium hydroxide solution and calcium chloride solution; and 3) all raw materials are added into a reaction kettle with a water bath, the water bath temperature is risen to 70 DEG C to 80 DEG C, the raw materials are stirred for 4 hours to 6 hours at the temperature for reaction, finally a reaction product is taken out; and after being dried, the reaction product is the modified crylic acid macromolecule absorbent resin. The method can evidently improve the salt tolerance of the crylic acid macromolecule absorbent resin and has low production cost.
Owner:WUHAN UNIV OF TECH
Waterproof cushions and methods of making same
InactiveUS20190002271A1Reduce disadvantagesSatisfies needUpholstery manufactureStuffed mattressesSodium bicarbonateSodium phosphates
The disclosure provides a cushion including an outer cover defining an interior cavity, and inner filler material disposed within the interior cavity. The inner filler material may comprise at least one molded block of polyurethane foam. The outer cover and / or the inner filler material may be porous to at least water. The cushion further includes a waterproof coating to the outer surface the inner filler material and forming waterproof seal extending entirely thereabout after curing. The waterproof coating comprises butyl acrylate within the range of 17-32 wt %, styrene within the range of 13-26 wt %, and deionized water within the range of 42-70 wt % prior to curing. The waterproof coating may further include auxiliary components within the range of 0.5-8 wt % prior to curing. The auxiliary components may include acrylic acid, sodium lauryl sulfate, an emulsifier component, ammonium peroxydisulfate, sodium bicarbonate, sodium phosphate, tertiary and tributyl phosphate.
Owner:SOFT TEX INT
Environment-friendly coated slow release fertilizercontaining biological bacteria and preparation method thereof
InactiveCN106699364AImprove water resistanceOvercome the defect of easy sheddingCalcareous fertilisersAlkali orthophosphate fertiliserPotassiumIntroduced organisms
The invention discloses an environment-friendly coated slow release fertilizer containing biological bacteria and a preparation method thereof. The fertilizer is prepared from, by weight, 1-2 parts of yellow humic acid potassium, 10-20 parts of acrylic acid, 30-50 parts of sodium alginate solution, 0.5-1 part of biological fertilizer powder, 1-2 parts of ammonium peroxydisulfate, 3-6 parts of N,N'-methylenebis, 3-5 parts of active straw ash, 15-25 parts of poval, 4-7 parts of starch, 25-35 parts of urea, 8-15 parts of potassium hydrogen phosphate , 40-50 parts of calcium chloride solution and 50-100 parts of distilled water. The preparation method comprises the steps of adding a water retention agent into crosslinked fluid, and spraying the solution on a fertilizer inner core. The shortcoming that the water retention agent is prone to falling when directly adhering to the fertilizer inner core is overcome. The water retention effect of the fertilizer is obvious. At the same time, the crosslinked fluid can exert the function of increasing the water resistance of the fertilizer, at the same time, the environment-friendly coated slow release fertilizer is biologically degradable and environment-friendly, the introduction of biological bacteria can degenerate pesticide and fertilizer damage, and degrade heavy metal.
Owner:严幸
Method for preparing anode surface antioxidation protective agent used for carbon-base aluminum
ActiveCN106319570AIncreased Response Residual RateReduce the amount of diffusionInorganic saltsSoftened water
The invention relates to a method for preparing an anode surface antioxidation protective agent used for carbon-base aluminum. The method includes the steps that a raw material is screened, calcined petroleum coke ball-milled powder is selected as the carbon-base raw material, and ammonium peroxydisulfate is used as a modifying agent; industrial softened water is used for dissolving the ammonium peroxydisulfate at first so that a solution can be obtained, and then the carbon-base raw material screened in advance is added into the solution; an oxidation modified reaction is carried out in an electric heating reactor with a stirring function at the temperature of 80-100 DEG C; and the industrial softened water is used for washing residual inorganic salt ions after the reaction is completed, and thus a carbon-base antioxidation protective agent product can be obtained. The method has the advantages and effects that depositions are directly coated to be attached to the surfaces of anode carbon blocks, the air reaction residual rate of anode products can be increased by 3%-4%, and anode net consumption is effectively reduced.
Owner:SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
Nickel-cobalt-sulfur hollow sphere used as lithium-sulfur battery positive electrode, and preparation method and application thereof
ActiveCN108511701AImprove cycle performanceEasy to prepareMaterial nanotechnologyFinal product manufactureSodium acetateEnvironmental resistance
The invention discloses a nickel-cobalt-sulfur hollow sphere used as a lithium-sulfur battery positive electrode, and a preparation method thereof and an application thereof in the preparation of a lithium-sulfur battery. The preparation method comprises the following steps: dissolving cobalt nitrate hexahydrate, nickel nitrate hexahydrate, potassium peroxydisulfate or ammonium peroxodisulfate, ammonium fluoride and sodium acetate in deionized water, performing stirring, adding a nano-silica sphere, and performing ultrasonic dispersion; heating and reacting the obtained suspension, washing theobtained reaction product, and drying the washed reaction product; and adding obtained precursor powder to deionized water, performing ultrasonic dispersion, adding sodium sulfide nonahydrate to theobtained dispersion, heating and reacting the obtained mixed solution, washing the obtained reaction product, and drying the washed reaction product to obtain black nickel-cobalt-sulfur nano-hollow sphere powder. A nickel-cobalt-sulfur nano-particle prepared by using the nickel-cobalt-sulfur hollow nano-sphere prepared through a simple hydrothermal technology in a one-step manner as a sulfur fixing material has a good prospect as a lithium-sulfur battery positive electrode supporting material, and improves the cycle performances of the lithium-sulfur battery. The preparation method has the advantages of simplicity, easiness in operation, safety, environmental protection, low cost, and suitableness for large-scale production.
Owner:DONGHUA UNIV
Water soluble nano-polysilicon/polymer gel oil-displacing-agent and preparation method thereof
ActiveCN106543383AHigh molecular weightHigh viscosityDrilling compositionWater solubleAmmonium peroxydisulfate
The invention discloses a water soluble nano-polysilicon / polymer gel oil-displacing-agent. The water soluble nano-polysilicon / polymer gel oil-displacing-agent mainly comprises, by weight, 2-5 parts of 2-acrylamide-2-methylpro panesulfonic acid, 5-8 parts of acrylamide, 0.2-0.5 part of sodium dodecylsulphate, 0.01-0.50 part of reactive nano-polysilicon RNS-D, 0.05-0.25 part of ammonium peroxydisulfate and 70-110 parts of deionized water. The water soluble nano-polysilicon / polymer gel oil-displacing-agent has a good rheological property, good temperature resistant and anti-shear properties, can play the function of enlarging a sweep volume in an oil deposit, and improving a mobility ratio. The water soluble nano-polysilicon / polymer gel oil-displacing-agent can greatly enhance the recovery ratio.
Owner:河南海博瑞硅材料科技有限公司
Micro-hair conductive bamboo fiber yarn fabrics
InactiveCN106048833ASuitable for meeting conductivity needsMeet conductivity needsLayered productsProtective fabricsYarnAntibiosis
The invention relates to a micro-hair conductive bamboo fiber yarn fabrics, which is made by weaving cotton fiber yarn (1) as warp and bamboo fiber yarn (2) as weft. <{EN2}>A lining fabrics layer is composited at the back side of the bamboo fiber yarn fabrics; the lining fabrics layer is a micro-hair conductive fabrics, and comprises a fabrics that dipped with conductive polyaniline polymer provided by in-situ chemical polymerization between aniline and oxidizing agent ammonium peroxydisulfate in an acidic medium. <{EN3}>The advantages are that the transparency and permeability are good; health care functions like ultraviolet resistance, natural antibiosis, bacteriostasis, mite-removing and stinking-proof are provided; and touch feeling is especially good. <{EN4}>The micro-hair is conductive.
Owner:JIANGYIN YUEDA DYEING & PRINTING
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