46results about How to "Ease of industrial production" patented technology

The invention relates to clumpy hydrophobic phenolic resin/silicon dioxide compounded aerogel and a preparation method thereof. The mass percentage content of silicon dioxide in the hydrophobic phenolic resin/silicon dioxide compounded aerogel is 10 to 70 percent; a porous structure performing a hydrophobic function is formed in the surface of the compounded aerogel; the contact angle between the surface of the compounded aerogel and water is 90 to 180 degrees. The clumpy hydrophobic phenolic resin/silicon dioxide compounded aerogel has the advantages that the lumping property and the porosity rate are high; the hydrophobic property is favorable; the mechanical strength reaches a certain extent; the thermal conductivity is low.

The invention discloses a boron removal method and device through an activated slag agent, and belongs to the fields of semiconductor materials and metallurgy. The device is provided with a lobe pump, a furnace base, a medium-frequency induction coil, an insulating layer, a graphite crucible, a stirrer and a lifting device. The method comprises the steps that raw silicon is put into the graphite crucible from a feed port, the lobe pump is started to perform vacuumizing, a medium-frequency induction power supply is started to perform heating, and when the temperature is increased to 1500 DEG C, silicon blocks are completely molten; inert gas is charged into a furnace cavity to enable the temperature to be kept at 1550 DEG C-1650 DEG C, the slag agent is added, the stirrer is started, and first-time slagging is completed; the power of the medium-frequency induction power supply is increased to enable the temperature in the furnace cavity to reach 1700 DEG C-1800 DEG C, the feed port is opened, active components of the slag agent are put into the furnace cavity for the first time, vacuumizing is performed, the stirrer is started, the inert gas is introduced, and second-time slagging is completed; after slagging is completed, silicon liquid is poured into a receiving crucible, standing and cooling are performed, a silicon ingot is taken out, purified low-boron high-purity silicon is obtained, and then boron removal achieved through the activated slag agent is completed.

The invention relates to a preparation method and an application method of a water treatment agent. The water treatment agent is prepared from the following raw materials in percentage by mass: 75 to100 percent of acrylamide water solution with the mass fraction being 30 to 45 percent, 0 to 25 percent of dimethyl diallyl ammonium chloride, and 0 to 0.5 percent of copper sulfate pentahydrate. Thepreparation method comprises the steps of irradiating a monomer water solution, wherein the irradiation dose is 2 to 12kGy; cutting a monomer colloid obtained after irradiation into slices, stirring and cleaning; fully drying at 40 to 70 DEG C; smashing to obtain a finished product of the water treatment agent with the particle size of 0.15 to 0.60mm. During sewage treatment, the application method comprises the steps of preparing the water treatment agent into a colloid solution with the mass fraction being 5 to 10 percent; adding into the sewage according to the additive amount being 50 to 100ppm, stirring for 1 to 3h, and carrying out static settlement for 3 to 5h. The water treatment agent provided by the invention is prepared through an irradiation method, is synthesized at one step,and is simple and feasible, convenient to apply, high in flocculation ability during sewage treatment, capable of efficiently removing floating objects in the sewage, remarkably reducing sewage turbidity, improving sewage transparency and removing sewage odor, and applicable to various water.

The invention provides a high molecular ceramic decoagulant and a preparation method thereof. The preparation method is realized through the following steps of (1) adding tea saponin and water into areaction tank; after the addition, starting the stirring; performing heating and temperature rise; after the temperature is raised to 60 to 100 DEG C, adding oxidizing agents; performing reaction for3 to 6 hours; (2) next, adding hydroquinone diglycidyl ether, lignosulfonate and fatty aldehyde; performing reaction for 3 to 5 hours; (3) cooling the temperature; performing material discharging to obtain the ceramic decoagulant.

The invention relates to a method utilizing calcium carbide slag as a raw material to produce a gypsum crystal whisker, and belongs to the field of inorganic material preparation and solid waste comprehensive utilization. The method utilizing calcium carbide slag as the raw material to produce the gypsum crystal whisker is characterized by comprising the following steps: (1) drying, ball milling and calcining the calcium carbide slag; (2) enabling the obtained calcium carbide slag to react with dilute sulfuric acid after the calcining treatment step, and washing and centrifuging the precipitation product; (3) mixing the solid obtained in the step (2) with water to prepare size, adding a crystal aid with a certain mass fraction in the size, transferring the mixed solution in a hydrothermal reaction kettle to carry out hydrothermal reaction, and washing, centrifuging and drying the product after the hydrothermal reaction to obtain the gypsum crystal whisker product prepared by taking the calcium carbide as the raw material. The method is mild in reaction conditions, simple in process, flexible in operation, and easy for industrial production. The prepared gypsum crystal whisker is large in draw ratio and good in reinforcing performance.

The invention discloses high-activity low-temperature rice hull ash and high-performance concrete doped with the rice hull ash. The active low-temperature rice hull ash is prepared by the following method: subjecting rice hulls to boiling water bath in 1% hydrochloric acid for 1 h, washing the rice hulls with water, then drying the rice hulls in the sun, and removing impurities in the rice hulls;firing the pretreated rice hulls in a furnace at 600-700 DEG C for 30-60 minutes, and then performing cooling; and carrying out ball milling on the fired rice hull ash in a ball mill of 500-800r/min for 10-30min to obtain the high-activity low-temperature rice hull ash of which the SiO2 content exceeds 90wt%. The high-performance concrete doped with the high-activity low-temperature rice hull ashis prepared from the following raw materials in percentage by weight: 15%-20% of Portland cement, 5%-10% of the high-activity low-temperature rice hull ash, 10%-15% of coal ash, 20%-30% of river sand,25%-35% of basalt stone, 6%-12% of water and 0.4%-1% of a water reducing agent. The rice hull ash has high purity and high activity and can effectively replace silica fume to serve as a mineral admixture, the prepared high-performance concrete is excellent in mechanical property, the cement consumption is greatly reduced while the rice hull utilization rate is increased, and the concrete cost isreduced.

The invention provides a rare earth red pigment. Compared with cadmium red and lead red on the market, the rare earth red pigment provided by the invention does not contain highly toxic cadmium and lead ions, and is harmless and pollution-free to human bodies and the environment. Compared with iron oxide red, the red degree value of the pigment is improved, the chromaticity can be adjusted throughthe doping amount of rare earth ions, and a series of red pigments from dark red to bright red can be obtained. The invention also provides a preparation method of the rare earth red pigment, which comprises the following steps: carrying out liquid-phase precipitation reaction on a soluble rare earth salt, a soluble iron salt, a soluble aluminum salt and a precipitant, and calcining the precipitate. The process is simple and feasible, the reaction conditions are controllable, the requirement on equipment in the large-scale production process is low, and industrial production is easy to realize.

The invention belongs to the technical field of undifferentiated vertebrate cell or tissue culture media, and in particular to a goose fibroblast culture medium. The goose fibroblast culture medium comprises a DMEM culture medium, a goose allantoic fluid extraction solution, fetal calf serum and an astragalus polysaccharide injection solution. The culture medium is low in cost and can promote growth and proliferation of goose fibroblast. When the culture medium is used to culture goose fibroblast, the efficiency is improved and the survival rate is high.

The invention discloses a synthesis method of hexafluorocyclotriphosphazene, which comprises the following steps: dissolving hexachlorocyclotriphosphazene in an organic solvent, adding a fluorinatingagent and a catalyst, carrying out fluorination reaction, and rectifying to obtain the target product hexafluorocyclotriphosphazene. The synthesis method of hexafluorocyclotriphosphazene has the advantages of mild reaction temperature, simple and easy-to-operate process, high yield, short time consumption, high purity, greenness, economy and convenience in industrial production.

The invention discloses a preparation method of tea oil polyunsaturated fatty acids, a product and application thereof. The preparation method of the tea oil polyunsaturated fatty acids comprises thefollowing steps: adding ethanol and an alkaline catalyst in tea-seed oil, carrying out stirring reaction, and regulating pH of a solution with hydrochloric acid; adding lipoxygenase, carrying out stirring reaction, and then adding sodium hydrogen sulfite and carrying out stirring reaction; regulating pH of the solution with the hydrochloric acid, standing for layering so as to remove an oil layer,extracting a water layer with aether, and retaining an extracting solution; and after recycling the aether from an aether extracting solution, adding a dehydrating agent and carrying out dehydratingand filtering to obtain filtrate which is the tea oil polyunsaturated fatty acids. The tea oil polyunsaturated fatty acids can be used for preparing an antioxidant drug preparation. By selectivity effect of lipoxidase to linoleic acid and linolenic acid, the linoleic acid and the linolenic acid are separated from oleic acid, due to gentle effect of the lipoxidase, the linoleic acid and the linolenic acid cannot be split, and thus, the linoleic acid and the linolenic acid can be obtained by reduction, and the tea oil polyunsaturated fatty acids are superior to a chemical oxidizing agent.

The invention relates to a catalyst of oxalate hydrogenation for preparing glycol. With a silica material as the carrier, the catalyst comprises: 10 wt. %-50 wt. % of metallic copper as a main active component, and 0.5 wt.%-5 wt.% of metallic M as a cocatalyst, and the balance SiO2. The catalyst has a specific surface area of 150-1000m<2>/g, a pore volume of 0.5-1.2cm<2>/g, and an average pore radius of 5-15nm. The catalyst of the invention is prepared by a rapid combustion method, which is simple in process and easy for operation and industrial production. And the catalyst prepared has uniform particles, good dispersity and stable catalytic performance. Used in the reaction of oxalate hydrogenation for preparing glycol, the catalyst of the invention has the advantages of high activity, high selectivity and long service life.

The invention discloses a non-backing OCA optical film with a blue-ray resisting effect and a preparation method of the non-backing OCA optical film and aims to achieve the purposes of optimizing the functions of a toughened glass film and improving the protection performance of the toughened glass film. The non-backing OCA optical film comprises a silica gel layer, wherein a heavy release film is arranged at the bottom of the silica gel layer; an OCA blue-ray resistant material high-viscosity layer is introduced onto the silica gel layer; a medium release film is arranged on the OCA blue-ray resistant material high-viscosity layer; the release force of the heavy release film is 8-15 g, and the release force of the medium release film is 3-10 g; the silica gel layer is 20-50 [mu]m in thickness; the OCA blue-ray resistant material high-viscosity layer is 30-80 [mu]m in thickness. According to the non-backing OCA optical film with the blue-ray resisting effect and the preparation method of the non-backing OCA optical film, an OCA optical adhesive has blue-ray resisting performance, and meanwhile, the non-backing optical adhesive is reduced in thickness, does not influence the integral appearance of a mobile phone and has a better application hand feeling.

The invention relates to a carbon-nitrogen material loaded cobalt catalyst and a method for synthesizing pimavanserin intermediate. The catalyst is prepared by the following steps: coordinating a metal cobalt compound and cyano-containing ionic liquid in an organic solvent, and impregnating to an activated carbon carrier; and calcining at a specific temperature under an inert gas to obtain a corresponding carbon-nitrogen loaded catalyst. According to the method for catalytically synthesizing pimavanserin intermediate 4-(4-fluorobenzylamino)-1-methylpiperidine by utilizing the catalyst, 4-(4-fluorobenzylamino)-1-methylpiperidine is prepared by reductively aminating 4-flunamine serving as a raw material with N-methyl-4-piperidone or 1-methyl-4-piperidylamine with hydrogen serving as a reducing agent at a certain pressure and temperature. The catalyst has the advantages of low cost, simple preparation method, good stability, high activity and high selectivity, and can be recycled for multiple times, and is suitable for industrial production.

The invention is suitable for the technical field of concrete, and provides aerated concrete and a preparation method thereof. The aerated concrete comprises the following raw materials in percentage by weight: 10-20% of sand, 10-20% of fly ash, 20-32% of cement, 5-15% of mortar, 0.1-2% of aluminum powder or aluminum powder paste, 1-6% of quick lime, 0.5-1.4% of gypsum, 1-5% of stone powder, 8-15% of straw carbon, 0.5-3% of magnesia and the balance of water. By improving the components of the aerated concrete and the preparation method of the aerated concrete, the problems of corner cracks, horizontal cracks, vertical fractures, steam-curing cracks and the like are not prone to being generated in the cutting process of the aerated concrete, and the prepared aerated concrete is good in quality and free of the situations of corner cracks, horizontal cracks, vertical fractures, steam-curing cracks and the like; the preparation method is simple and convenient for industrial production.

The invention relates to a sol-gel method for preparing a sub-micrometer level titanium carbide powder material. The preparation method comprises the following steps: evenly mixing common titanium dioxide, phenolic resin, and methanol according to a mole ratio of 1:0.5-0.8:1.9-3.05 at a room temperature, stirring, storing the mixture at a temperature of 70 to 110 DEG C for 2 to 4 hours to obtain a titanium dioxide/phenolic resin precursor; heating the precursor in a high temperature furnace, and storing the precursor at a temperature of 1300 to 1700 DEG C for 2 to 6 hours in an atmosphere of argon so as to obtain sub-micrometer level (200 nm to 1 [mu]m) titanium carbide powder. During the reaction process, phenolic resin is thermally degraded into amorphous carbon with a high activity, amorphous carbon wraps titanium dioxide powder to form a shell-core microscopic structure, thus the contact surface between reactants is greatly increased, and the carbon thermal reduction reactions are promoted. The provided method has the advantages that the raw materials are cheap, the sintering temperature of titanium carbide powder in industrial production is reduced, moreover, the sintering time is short, the technology is simple, and the method can be easily applied to industrial production.

The invention discloses a preparing method for an active methylene group modified waterborne polyurethane adhesive. The method comprises the following step: active methylene group structure with self drying performance is led into the molecules of the dispersion of the water base polyurethane, so that the drying rate of the modifying waterborne polyurethane adhesive is improved obviously. Because of such special construction, the modified waterborne polyurethane adhesive has the advantages that the water resistance is good, meanwhile, the raw materials source required for preparation is wide, cheap and easy to get, the synthetic process is simple and the industrialized production is facilitated.

The invention provides a preparation method of vanillin glucoside. The preparation method of the vanillin glucoside comprises firstly, using tetra-acetyl-bromo-glucose to react with vanillin to combine into tetra-acetyl-glucose vanillin, and using the tetra-acetyl-glucose vanillin to react with sodium methylate to obtain the vanillin glucoside. The vanillin glucoside has the advantages of being mild in reaction condition, safe, simple in procedure, easy to industrially produce, and the like. When the vanillin glucoside is applied in tobacco, the vanillin glucoside is capable of obviously improving richness of cigarette aromas, and reducing irritation of side flow smoke, and meanwhile is incapable of increasing cost of cigarette production, and therefore the vanillin glucoside has wide application prospects in tobacco industry.

The invention discloses an environment-friendly sterilizing agent and a preparation method thereof. The environment-friendly sterilizing agent is prepared from the following components in parts by weight: 5-8 parts of polyhistidine, 3-5 parts of chitosan, 3-5 parts of cyclodextrin, 2-3 parts of epsilon-polylysine, 0.05-0.8 part of polypyrrole, 0.01-0.04 part of citric acid, 8-12 parts of polyethylene glycol and 65-72 parts of water. The invention also provides the preparation method of the environmental-friendly sterilizing agent. The preparation method comprises the following steps: (1) weighing 3-5 parts of chitosan, 3-5 parts of cyclodextrin, 2-3 parts of epsilon-polylysine, 0.05-0.8 part of polypyrrole and 8-12 parts of polyethylene glycol; and (2) adding the components into a reaction kettle, heating, adding 65-72 parts of water under the stirring condition, slowly adding 0.01-0.04 part of citric acid, adding 5-8 parts of polyhistidine under the sunshine-shading condition, stirring till all the components are dissolved, cooling, defoaming and thus obtaining the environment-friendly sterilizing agent.

The invention discloses a Cu/SiO2 catalyst. A preparation method for the Cu/SiO2 catalyst comprises: by taking SiO2 as a carrier, loading an active component copper, wherein the loading capacity of copper is 10-40wt%; preparing a copper ammine solution through precusor salt of copper and ammonia water; then adding polyethylene glycol; then adding the SiO2 carrier, stirring, drying, roasting and reducing the mixture to prepare the Cu/SiO2 catalyst with high dispersity and high activity; and catalyzing dimethyl maleate for one-step hydrogenation to efficiently synthesizing tetrahydrofuran by using the Cu/SiO2 catalyst. The Cu/SiO2 catalyst disclosed by the invention has the advantages of being high in raw material conversion rate and good in target product selectivity.