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Preparation method and application of cyclotriphosphazene containing silicon functional groups
ActiveCN102250147AMild reaction conditionsEasy to controlGroup 5/15 element organic compoundsBulk chemical productionAmmonium polyphosphatePolypropylene
The invention relates to a preparation method and application of cyclotriphosphazene containing silicon functional groups, particularly relates to a method for preparing a compound simultaneously containing phosphor, nitrogen and silicon elements, and belongs to the technical field of flame retarding. The method comprises the following step: dissolving aminopropyltriethoxysilane, triethylamine and hexachlorocyclotriphosphazene in a tetrahydrofuran solvent, heating, reacting, filtering and drying in vacuum to prepare the cyclotriphosphazene containing silicon functional groups; and the application of the cyclotriphosphazene containing silicon functional groups comprises: compounding the cyclotriphosphazene containing silicon functional groups with ammonium polyphosphate, polypropylene and an antioxidant in a certain proportion, extruding and performing injection molding to obtain flame-retardant polypropylene containing silicon functional groups. The method has the advantages of mild reacting conditions, easiness in control, good repeatability, high yield and suitability for expanded production; and the compound serving as a synergist is added into a flame retardant polypropylene system to be used as a flexibilizer and a fire retardant of the flame retardant polypropylene system, and the prepared polypropylene has the characteristics of high oxygen index and high breaking elongation.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Phosphorus-containing fluorine-containing synergic flame-retardant compound and preparation method thereof
InactiveCN105732715AHas synergistic flame retardant effectImprove flame retardant performanceGroup 5/15 element organic compoundsBenzaldehydeEvaporation
The invention provides a phosphorus-containing fluorine-containing synergic flame-retardant compound and a preparation method thereof, relating to flame-retardant compounds. The preparation method comprises the following steps: carrying out reaction on a diamido compound and 5-bis(trifluoromethyl)benzaldehyde in a first solvent, carrying out rotary evaporation, and drying to obtain an intermediate containing carbon-nitrogen double bond; and carrying out reaction on the intermediate containing carbon-nitrogen double bond and 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide in a second solvent, precipitating the product with a precipitant, washing with the precipitant, and drying to obtain the phosphorus-containing fluorine-containing synergic flame-retardant compound. The compound simultaneously comprises the flame-retardant elements phosphorus and fluorine, and the phosphorus and fluorine have the synergic flame-retardant actions; and thus, the compound can be used as a flame retardant and has favorable flame-retardant effect. The introduced fluorine element can enhance the heat stability and chemical stability, lower the surface energy of the material and lower the dielectric constant and hydroscopic property of the material, thereby satisfying the required properties of the electronic packaging material. The compound contains two active groups, thereby being beneficial to enhancing the compatibility with the high-polymer material, improving the loss of the flame retardant and enhancing the flame retardancy.
Owner:XIAMEN UNIV
Diphenylacetylene silane novle synthesis method
InactiveCN1763053ASimple processSimple operation processSilicon organic compoundsSilanesSynthesis methods
Owner:EAST CHINA UNIV OF SCI & TECH
Method for preparing silicon-containing phosphonitrile modified ammonium polyphosphate flame retardant and application in flame-retardant polyolefin
InactiveCN102618087AMild preparation conditionsEasy to controlPigment treatment with organosilicon compoundsPolymer sciencePolyolefin
The invention relates to a method for preparing a silicon-containing phosphonitrile modified ammonium polyphosphate flame retardant and application in flame-retardant polyolefin, and belongs to the technical field of flame-retardant materials. The method comprises the following steps of: adding ammonium polyphosphate (APP) into an aminopropyl ethoxy silane polymer (APESP) solution system, removing a solvent, drying, and thus obtaining the modified ammonium polyphosphate flame retardant. The novel collaborative inflaming-retarding modified APP flame retardant integrating phosphorus / nitrogen / silicon elements is prepared by modifying the surface of the APP through the silicon-containing nitrile APESP; the method is mild in preparation conditions, easy to control, good in repeatability and high in yield, and is suitable for expanded production; and when the flame retardant is applied to a polyolefin flame-retardant system, oxygen index, vertical burning level and heat release rate of the obtained polyolefin are remarkably improved, and good mechanical property is kept.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Phosphorus-nitrogen cooperative flame-retardant epoxy polymer and preparation method thereof
The invention discloses a phosphorus-nitrogen cooperative flame-retardant epoxy polymer and a preparation method thereof. The molecular weight of the phosphorus-nitrogen cooperative flame-retardant epoxy polymer is within the range of 7000-100000g / mol, and the structural formula of the polymer is as shown in the specification, wherein R1, R2 and R3 can be H or methyl; X is a benzene ring or a C2-6 linear alkyl; x: y: z=(10-50): (10-30): (50-10). The polymer contains epoxy groups having extremely high reaction activity, and the epoxy groups can be well dispersed and connected in the epoxy resin by virtue of chemical bonds, and therefore, the defects of poor compatibility, easy migration and the like of a non-reactive flame-retardant polymer are avoided. The polymer simultaneously contains two flame-retardant elements P and N and therefore is good in flame-retardant effect; the polymer can be used as a flame retardant or an intrinsically flame-retardant polymer; the polymer hardly affects the mechanical properties of a material substrate; the preparation method of the polymer is simple, good in repeatability and suitable for expanded production.
Owner:XIAMEN UNIV
Polyimide-type polyurethane containing DOPO group and preparation method of polyimide-type polyurethane
The invention relates to polyimide-type polyurethane containing a DOPO group and a preparation method of the polyimide-type polyurethane, and belongs to the technical fields of heat-resistant materials and flame retardant materials. The method comprises the following steps: mixing liquid polyether diol with liquid diisocyanate, heating and carrying out addition reaction, and then adding a pyromellitic dianhydride (PMDA) and DOPO derivative mixed solution; heating and carrying out polycondensation; and drying a solvent, so as to obtain the polyimide-type polyurethane. The method has the characteristics of mild and stable reaction condition, good repeatability, high productive rate, short cycle and the like, and is suitable for expanded production, and the obtained polymer has a plurality of performances such as excellent flame retardant property.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Polyurethane containing DOPO groups and preparation method thereof
InactiveCN104211900AIncrease the value of the limiting oxygen indexImprove the level ofPolymer scienceDiol
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Method for preparing silicon oxide nanotube and two-dimensional ordered assembly body thereof
InactiveCN102826557AUniform one-dimensional closed channelUniform biocompatibilitySilicaNanotechnologyPhotoluminescenceSilicon oxide
The invention belongs to the technical field of an advanced nano-composite material, and particularly relates to a method for preparing a silicon oxide nanotube and a two-dimensional ordered assembly body of the silicon oxide nanotube. In the method, two segmented copolymers prepared in the laboratory are used as a template agent, a solvent volatizing inducing gathering self-assembly method is adopted, and a silicon oxide nanotube material with even bore diameter and length is mildly synthesizing under room temperature by taking tetraethoxysilane and the like as a silicon source, wherein the diameter is approximately to be 50nm, and the mean length is approximately to be 500nm. Under the condition that a small quantity of organosilane is added, the obtained silicon oxide nanotube can be assembled to form into a two-dimensional ordered nanopore material. The synthesized silicon oxide nanotube has even one-dimensional closed pore channel, biocompatibility, photoluminescence property, surface paintability and the like, so that the silicon oxide nanotube is wide in application prospects in the aspects such as the heterogeneous catalysis, drug load, limited range synthesis, nano-electronic appliance and environment monitoring sensor. The raw materials are easy to obtain, and the method is simple in technology, controllable in reaction conditions, free from high-temperature reaction, and suitable for expanded production.
Owner:FUDAN UNIV
Aromatic polyimine thermosetting resin and preparation method thereof
The invention discloses aromatic polyimine thermosetting resin and a preparation method thereof. The preparation method comprises the following steps: 1) uniformly dissolving an aromatic aldehyde andan aromatic amine in an aprotic solvent, and stirring for reaction at 20 to 100 DEG C for 0.05 to 5 hours to obtain a prepolymer precipitate or a prepolymer solution; 2) filtering and drying the prepolymer precipitate or drying the prepolymer solution, then placing the prepolymer solution in a mold for hot press forming at 150 to 250 DEG C under 1 to 20 MPa to obtain the thermosetting resin havinga structural formula of formula I, wherein R1 and R2 are benzene ring-containing aromatic structures. The thermosetting resin has excellent mechanical properties, heat resistance and hydrophobic properties, the preparation method has the advantages of simple process, adjustable controllable reaction process and high yield, and the obtained resin can be recycled and reused, and is suitable for expanding production.
Owner:SOUTH CHINA UNIV OF TECH
Cage-shaped oligomeric silsesquioxane flame-retardant polycarbonate as well as preparation method and application thereof
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Method of manufacturing integrated electrode with three-dimensional conductive network
ActiveCN106251976ALow costReduce areaApparatus for manufacturing conducting/semi-conducting layersMetallic oxidesSlurrySolvent
Owner:NANKAI UNIV
Flame-retardant silane crosslinking agent and preparation method thereof
InactiveCN102775638AWith intrinsic flame retardant functionImprove flame retardant performanceGroup 5/15 element organic compoundsBulk chemical productionPolymer scienceOrganic solvent
The invention discloses a flame-retardant silane crosslinking agent and a preparation method thereof. The flame-retardant silane crosslinking agent has one or more of the following structures: X3Si-R1-DPPA-R2-SiX3 and X3Si-R3-DAPO-R4-SiX3. The preparation method comprises the following steps of: 1) under the protection of inert gas, dissolving phosphorous azacyclo reactant into an organic solvent, adding a silane coupling agent and the corresponding catalyst, and stirring and reacting at the temperature of 25 to 150 DEG C for 0.5 to 24 hours to obtain reaction liquid, wherein the phosphorous azacyclo reactant is DPPA and / or DAPO; and 2) filtering or rotationally evaporating the reaction liquid, washing and drying to obtain the target product. The flame-retardant silane crosslinking agent can take part in reactions such as crosslinking and polycondensation through a silane active group and form one part of a polymer molecular structure, so that the polymer has an intrinsic flame-retardant function or can improve the flame resistance and can also be used for improving the compatibility of some inorganic fillers or additive flame retardant and high molecular materials. The method has the advantages of mild reaction condition, controllable and adjustable reaction process, high yield and the like.
Owner:SOUTH CHINA UNIV OF TECH
Method for synthesizing negative electrode material Fe2SSe of lithium-ion battery by one-pot solid-phase method
InactiveCN105938903AEasy to embedPromote prolapseElectrode thermal treatmentSecondary cellsEngineeringSynthesis Period
The invention discloses a method for synthesizing a negative electrode material Fe2SSe of a lithium-ion battery by a one-pot solid-phase method. A heat treatment procedure is mild; the standing time at 400 DEG C is relatively long; and a reaction failure or a great loss of a sulfur element caused by the phenomenon that raw material sublimed sulphur is easily sublimed at a high temperature to cause a quartz tube rupture is avoided. The operation steps are simple; the cost is low; the product purity is very high; the equipment requirements are simple; the synthesis period is short; the method is suitable for expanded production; a new way is provided for batch synthesis of the Fe2SSe; the obtained Fe2SSe is blocky-shaped particles; the microstructure is in a two-dimensional layer form; the agglomerate phenomenon is avoided; and the Fe2SSe with the two-dimensional layer structure is beneficial to intercalation and deintercalation of lithium ions in the charging and discharging processes when used as a lithium-ion negative electrode material.
Owner:YANGZHOU UNIV
Traditional Chinese medicinal composition for controlling cattle bronchitis, and preparation method thereof
InactiveCN103356936AHeat-clearing and detoxifyingIt has insecticidal and antipruritic propertiesRespiratory disorderPlant ingredientsChrysanthemum FlowerCurative effect
Owner:TIANJIN BIJIA PHARMA CO LTD
Traditional Chinese medicine composition for treating duck virus hepatitis and preparation method thereof
ActiveCN103393870ANo drug resistanceNo side effectsDigestive systemAntiviralsDuck viral hepatitisPinellia
Owner:嘉善罗星创业投资有限公司
Graphite phase carbon nitride/polymer composite material and preparation method, energy storage material
Owner:BEIJING UNIV OF CHEM TECH
Preparation method for nitrogen-doped carbon fiber material
InactiveCN106960953AImprove lithium storage performanceSimple processCarbon fibresCell electrodesFiberCarbon fibers
The invention belongs to the technical field of a carbon fiber material. Specifically, a low-temperature pyrolysis method is adopted to perform nitrogen atom doping on carbon fibers. According to the method, low-cost nitrogen source and carbon fibers are used as raw materials; the mass ratio of the carbon source to the carbon fibers is controlled to be 1 to (1-10); and the nitrogen-doped carbon fibers are prepared by adopting the low-temperature pyrolysis method. The technological method provided by the invention has low-cost and easily-available raw materials, simple process, and relatively low cost, so that expansion of production can be carried out favorably; and the preparation method is of great practical significance to improvement of lithium storage performance of a negative electrode material of a lithium ion battery, so that the preparation method has potential popularization and application values.
Owner:HUNAN INSTITUTE OF SCIENCE AND TECHNOLOGY
Graphite-phase carbon nitride/polymer composite material, preparation method and energy storage material
Owner:BEIJING UNIV OF CHEM TECH
Novel high-temperature resistant phenylacetylene terminated poly (acetenyl-silane) and preparation method thereof
The invention discloses a novel phenylacetylene terminated poly (acetenyl-silane) polymer and a preparation method thereof. The polymer is prepared from dihalogenosilane, phenylacetylene, trichloroethylene and organic lithium serving as raw materials and prepared by two-step reaction under the protection of inert gas. The method comprises the following steps of: 1, under the protection of the inert gas, making a mixture of the trichloroethylene and the phenylacetylene react with the organic lithium to obtain acetenyl dilithium and phenylacetylene lithium; and 2, under the protection of the inert gas, performing coupling reaction on the mixture of the acetenyl dilithium and the phenylacetylene lithium generated in the first step and the dihalogenosilane to obtain a final target product. The raw materials used in the polymer are easily obtained, the process flow is simple, and the operation process is feasible. The polymer prepared by the method is subjected to cross-linking reaction under heat or chemical initiation to form a thermosetting material with high-temperature resistance and excellent thermal oxidation resistance, and the thermosetting material is further heated to form a ceramic structure. The polymer prepared by the method can be used as a matrix resin, a high-temperature resistant coating and a ceramic precursor of an advanced composite material.
Owner:EAST CHINA UNIV OF SCI & TECH
Preparation method for lamiophlomis rotata extract and application thereof
InactiveCN105343163AReduce process stepsShort cycleCosmetic preparationsAntipyreticActivated carbonHerb
The invention relates to a preparation method for a lamiophlomis rotata extract. The preparation method comprises the following steps: 1, taking lamiophlomis rotata herb, adding water, conducting decoction and extraction, and conducting filtration or centrifugation, concentration and elution to collect an eluant B; 2, adding activated carbon into the eluant B obtained in the step 1, stirring under the boiling condition at 50 DEG C for 0.5-2 h, and conducting still standing precipitation, filtration or centrifugation to respectively obtain a liquid part A and a solid part for later use; 3, adding ethanol into the solid part obtained in the step 2, uniformly stirring under the boiling condition at 50 DEG C, and conducting still standing precipitation, filtration or centrifugation to obtain a liquid part B; 4, merging the liquid part A and the liquid part B, conducting filtration or centrifugation, collecting a filtrate or a centrifugate, and concentrating the filtrate or the centrifugate into thick paste of which the relative density at 60 DEG C is 1.25-1.30 so as to obtain the lamiophlomis rotata extract. The lamiophlomis rotata extract prepared through the method is high in effective constituent and low in pigment content. Besides, the invention further discloses pasty non-transparent toothpaste prepared from the lamiophlomis rotata extract.
Owner:HENGKANG MEDICAL GROUP CO LTD
Phosphorus and nitrogen heterocycle-containing organic halogen-free flame retardant and its preparation method
InactiveCN102786718AImprove flame retardant performanceWith intrinsic flame retardant functionGroup 5/15 element organic compoundsBulk chemical productionFiltrationEvaporation
Owner:SOUTH CHINA UNIV OF TECH
Novel liquid vitamin for breeding hen or laying hen and preparation method of novel liquid vitamin
InactiveCN102846686AEnhance immune functionIncrease egg productionAntibacterial agentsHydroxy compound active ingredientsVitamin b6Vitamin C
The invention provides a novel liquid vitamin for a breeding hen or a laying hen and a preparation method of the novel liquid vitamin. The liquid vitamin is prepared from the following components in parts by weight: 0.005-0.01 part of sodium pyrosulfite, 0.2-0.8 part of vitamin C, 0.2-0.4 part of vitamin B1, 0.1-0.3 part of vitamin B6, 0.2-0.5 part of calcium pantothenate, 0.04-009 part of vitamin K, 0.05-0.12 part of carnitine, 0.05-009 part of compound amino acid, 5-10 parts of sorbitol, 0.02-0.05 part of BHT (Butylated Hydroxytoluene), 0.1-0.3 part of sodium benzoate, 9-15 parts of Tween80, 10-15 parts of propylene glycol, 0.3-0.9 part of vitamin A, 0.2-0.4 part of vitamin E, 0.005-0.01 part of vitamin D, 0.2-0.8 part of ginseng stem and leaf saponins and 50-70 parts of injection water.
Owner:河北幕尼斯农牧科技有限公司
Synthesis method of trifluoropyruvate compounds
ActiveCN107056612ASimple process routeShort reaction timePhysical/chemical process catalystsOrganic compound preparationRecyclable catalystGas phase
The invention discloses a synthesis method of trifluoropyruvate compounds. The method comprises the following steps: carrying out exchange reaction on an activator and a metal oxide under heating conditions to form a novel solid acid catalyst; and carrying out gas-phase catalytic reaction on the raw material 2-fluoro-2-alkoxy-trifluoropropionate under the action of the novel solid acid catalyst under high-temperature conditions to prepare the trifluoropyruvate compounds by one step. In the synthesis method of trifluoropyruvate compounds, the novel solid acid catalyst is prepared; and the novel solid acid catalyst can be effectively used for catalyzing the synthesis of trifluoropyruvates. The catalyst is used for catalyzing the synthesis of the trifluoropyruvate compound products for the first time in the invention. The method has the advantages of simple process route, short reaction time, higher reaction yield, fewer byproducts and recyclable catalyst, and thus, is suitable for expanded production and worthy of popularization.
Owner:TIANJIN CHANGLU CHEM NEW MATERIAL CO LTD
Method for preparing microcapsules based on alfalfa flower anthocyanin
PendingCN112931764AHigh yieldHigh embedding rateFood ingredient as colourFood preservationFreeze-dryingAqueous ethanol
The invention discloses a method for preparing microcapsules based on alfalfa flower anthocyanin, and the method for extracting the alfalfa flower anthocyanin comprises the following steps: taking fresh alfalfa flowers, conducting freeze-drying at -60 to -48 DEG C, conducting crushing and sieving, conducting extracting for 15-35 minutes at 55-75 DEG C by using an ethanol aqueous solution with the volume concentration of 40-80% as an extracting solution according to the liquid-material ratio of 20-40mL / g and the assistance of 200-400W ultrasonic waves, adjusting the pH value of the extract to 1.5-2 by hydrochloric acid, conducting centrifuging at low temperature and high speed, and performing vacuum suction filtration and drying on supernate to obtain anthocyanin; and dissolving the anthocyanin in distilled water according to the material-liquid ratio of 0.04-0.06 g / mL, with an aqueous solution of maltodextrin and xanthan gum in the mass ratio of (10-30):1 as a wall material solvent, mixing a formed anthocyanin solution and a formed solution of maltodextrin and xanthan gum according to a mixing volume ratio of 1:(4-5), and conducting stirring and freeze-drying to obtain the microcapsules. The anthocyanin extraction method is simple, mild in condition and easy to operate, and the prepared microcapsules are excellent in quality, stable in performance, long in shelf life and suitable for expanded production.
Owner:SHAANXI NORMAL UNIV
Method for modifying epoxy resin through phosphorus/nitrogen/silicon synergistic flame retardance
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Method for extracting albumin and globulin from bovine serum and method for utilizing ox blood
ActiveCN106749626AHigh purityIncrease profitSerum albuminPeptide preparation methodsBovine serum albuminBiologic Products
The invention discloses a method for extracting albumin and globulin from bovine serum and a method for utilizing ox blood and relates to the technical field of protein extraction. According to the method for extracting albumin and globulin from bovine serum provided by the invention, the principle of plasma protein depositing in saline solution in a certain saturability is utilized, (NH4)2SO4 fractional precipitation is adopted and the bovine serum albumin is further purified. The bovine serum albumin is high in purity, is low in endotoxin content and meets the requirement of Chinese Biological Product Regulation. A saturated (NH4)2SO4 fractional repeated salting out method is utilized to extract the bovine serum albumin; the high molecular weight plasma protein is extremely removed; and the purity of the extracted bovine serum albumin is high. The method for extracting albumin and globulin from bovine serum provided by the invention is simple in process; no special device is required; the method is suitable for expanded production; and the method for utilizing ox blood provided by the invention can increase the use ratio of the ox blood.
Owner:长睿生物技术(成都)有限公司
Preparation method of ring trapezoidal nitrophenyl silsesquioxane
ActiveCN106188127AMild reaction conditionsGood repeatabilitySilicon organic compoundsSolventShort cycle
The invention relates to a preparation method of ring trapezoidal nitrophenyl silsesquioxane and belongs to the technical field of organic-inorganic hybrid materials. The method comprises the steps that ring trapezoidal phenyl silsesquioxane and a solvent are added into a reactor and stirred, the temperature of the reactor is controlled to be 0-10 DEG C, nitric acid, acetic anhydride and acetic acid are dropwise added in sequence, then the temperature of the reactor is raised to 25-35 DEG C, reaction time is 4-8 hours, and reaction liquid is obtained; the reaction liquid is subjected to rotary steaming and suction filtration and washed with a saturated Na2CO3 solution, distilled water and ethyl alcohol in sequence, filter cakes are dried, the drying temperature is 40-100 DEG C, and lastly ring trapezoidal nitrophenyl silsesquioxane is obtained. The reaction conditions are mild, repeatability is good, and the method has the advantages of a high yield, a short cycle and easy operation and is suitable for expanded production; the obtained product can be further subjected to an ammoniation reaction, an alkynylation reaction and other reactions to synthesize new ring trapezoidal silsesquioxane derivatives.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Preparation method of high-molecular-weight polylactic acid based on metal powder dehydrating agent
The invention relates to a preparation method of a high-molecular-weight polylactic acid based on a metal powder dehydrating agent, and belongs to the technical field of macromolecular materials. The method comprises the following steps of placing catalyst into the dehydrated prepolymer under a vacuum condition, controlling the reaction temperature at 160 to 180 DEG C, enabling the prepolymer and the catalyst to be reacted for 0 to 16 hours, and continuing the reaction for 1 to 24 hours after adding metal powder to obtain the product polylactic acid. The metal powder maerail which can be reacted with the water so as to remove the water in the system is adopted, the metal powder material is little added in the later stage of the polyconcentration of a lactic acid body, the water in the polyconcentration process can be efficiently removed, the reaction process can be greatly promoted, simplicity in operation can be realized, the repetition is good, the reaction efficiency is high, the preparation method is suitable for the dilated production, and the product is free from influencing the polylactic acid which is used as plastic.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Foam type hoof bath lotion for daily prevention and treatment of animal hoof diseases, and preparation method and application thereof
InactiveCN111407789APrevent persistent infectionAvoid infectionAntibacterial agentsInorganic active ingredientsBiotechnologyFoaming agent
The invention belongs to the field of veterinary disinfectants, and discloses a foam type hoof bath lotion for daily prevention and treatment of animal hoof diseases, and a preparation method and application thereof. The hoof bath lotion comprises, by weight, 0.2-0.4 part of a salt sterilizing hoof care agent, 1-2 parts of an antibacterial plant extract, 0.5-2 parts of a foaming agent, 0.5-5 partsof a foam stabilizer and 1-2 parts of a toner. The preparation method comprises the following steps: preparing a salt sterilizing hoof care agent solution I; preparing a toner solution II; preparinga mixed solution III of the foaming agent and the foam stabilizer; adding the solution II and the solution III into the solution I to form a solution IV; preparing a plant extract solution V; adding the solution V into the solution IV to form a solution VI; and adjusting the pH value of the solution VI, fixing the volume of the solution VI, and carrying out inspecting to obtain the foam type hoofbath lotion for daily prevention and treatment of animal hoof diseases. The foam type hoof bath lotion of the invention can be used for preventing and treating hoof diseases, has the advantages of high cure rate, mild action, favorable bactericidal effect, obvious environmental protection advantage, low consumption and simple techniques, reduces use cost, and presents wide application prospects.
Owner:HENAN KANGXING PHARMA +1
T16 cage structure epoxy phenyl silsesquioxane and preparation method thereof
The invention relates to T16 cage structure epoxy phenyl silsesquioxane and a preparation method thereof, and belongs to the technical field of organic-inorganic hybrid materials. The preparation method comprises the following steps: adding silane containing phenyl and epoxy groups and a solvent into a reactor, stirring, controlling the temperature of the reactor to be 25 DEG C, dropwise adding a catalyst namely a NaOH solution, controlling the temperature of the reactor to be 40 DEG C, and reacting for 1-2 hours to obtain a reaction solution; and adjusting the reaction solution to be neutral by using diluted hydrochloric acid, washing by using deionized water, drying, filtering, carrying out rotary evaporation on the filtrate, and drying to obtain the T16 cage structure epoxy phenyl silsesquioxane. The single T16 cage structure epoxy phenyl silsesquioxane containing 7 phenyl groups and 9 epoxy groups obtained in the invention has good thermal stability and reaction activity; and the preparation method is mild in condition, easy to control and suitable for expanded production.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
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