30results about How to "Rich surface" patented technology

The invention provides a preparation method of waterworks sludge ceramsites for pretreating micro-polluted water, belonging to the technical field of pretreatment of micro-polluted water. The method comprises the following steps of: uniformly mixing waterworks sludge serving as a major raw material with fly ash and a pore-forming agent in a certain mass ratio; adding a certain amount of water forpelletizing into balls in a ball forming mill; drying a spherical green stock, and performing continuous variable-temperature and constant-temperature baking; and naturally cooling and sieving to obtain finished ceramsites. In the method, waterworks sludge is fully utilized, and sludge is recycled; and moreover, a preparation process is simple, and cost is low. The ceramsites prepared with the method are provided with a plenty of micropores both on the surfaces and inside, and biofilm formation growth of microorganisms on the surfaces of the ceramsites is facilitated, so that the biological pretreating effect on water of a polluted water source is remarkably enhanced, and good social benefit and environmental protection benefit are achieved.

The invention provides a defluorinating adsorbent for drinking water, which is a composite metal oxide defluorinating adsorbent and a high polymer material playing a role of adhering absorbent particles. Absorbent powder and a high polymer binder are mixed, extruded, cut and dried to prepare into particles. The defluorinating adsorbent has the characteristics of good ion selectivity, high adsorption capacity, better strength in both dry and wet states, and no crushing or dissolving after being used for a long time.

The invention provides an arsenic-removing adsorbent for drinking water and a preparation method thereof. The adsorbent contains composite metal oxide and a polymer material binder. The arsenic-removing adsorbent has high adsorption property, high adsorption selectivity on arsenic in the drinking water, and high adsorption capacity; adsorbent particles have high strength in a dry state or in a moist state, and the adsorbent has low breakage rate of the particles and cannot be dissolved out during use; and the adsorbent is used under the conditions of long time and larger change of waterflow pressure.

The invention belongs to the technical fields of preparation and applications of nano-carriers, and in particular discloses a preparation method and an application of a multifunctional membrane-controlled targeting nano-carrier integrating tracing and targeted drug delivery effects. With nano mesoporous silica (MSN) as a drug 'warehouse', a positively charged high molecular material and a negatively charged high molecular material as preparation materials of a gating membrane, and adriamycin (DOX), cis-platinum, imatinib, taxol and the like as model anti-cancer drugs, research contents mainlyinclude optimization and improvement of natural materials, construction and process optimization of the gating membrane, structural characterization of a nano complex, drug release kinetic characteristics of drug molecules under the control of the gating membrane, and the like. Meanwhile, in the combination with the tracing imaging function of a fluorescent quantum dot, drug delivery behaviors andanti-tumor effectiveness of the membrane-controlled nano drug delivery system undergo preliminary evaluation through in-vitro experiments. Based upon research results, references are provided for thedesign and preparation of the novel membrane-controlled nano drug delivery system.

The invention provides an arsenic removal adsorbent and a preparation method thereof. The adsorbent contains sulfate akaganeite and high-molecular material agglomerant. In the invention, the particles of the arsenic removal adsorbent have high adsorption property to have high adsorption selectivity to arsenic in drinking water, the adsorption capacity is high, the adsorbed particles have large strength under a drying state or a moisture state, the particle crushing rate is low during use, no adsorbent is dissolved out, and the arsenic removal adsorbent is suitable for being used for a long time and under the condition of larger water flow pressure change.

The invention relates to the technical field of building material production, in particular to a production method of an acrylic ecological plate, aiming at solving the problems that the existing acrylic plate products for decoration are single and monotonous, internally mosaic ornaments are obtained through a double-sided bonding method and the decorative stereoscopic sense is poor. The production method is characterized in that the production method comprises the steps of selecting dried plants, fixing on a bottom mold through the viscosity of liquid acryl, molding the entire plate through a pouring method and forming the ecological plate through vibratory exhaust, high-temperature expansion and low-temperature stabilization. The finished product has the characteristics of rich surface, plump shape of built-in plants, smooth curve, strong stereoscopic sense and vividness.

The invention discloses a flame-retardant natural fiber composite board, which is made of the following components in parts by weight: 30-45 parts of flame-retardant natural fiber and 55-70 parts of flame-retardant thermoplastic resin fiber. The invention also discloses a method for preparing the above-mentioned flame-retardant natural fiber composite board, which includes the following steps: mixing the flame-retardant natural fiber and the flame-retardant thermoplastic resin fiber, and the mixed fiber is opened and laid to form a mixed natural fiber Thin net: the above-mentioned mixed natural fiber thin net is alternately laminated to form a laminated natural fiber net, which is needled into felt and then heated and rolled to form a continuous flame-retardant natural fiber composite board. The flame-retardant natural fiber composite board provided by the invention has the characteristics of non-toxicity, no pollution, simple processing technology, small energy loss and outstanding environmental protection performance.

The invention discloses a heavy metal ion adsorbent and a preparation process thereof. The adsorbent comprises the following components in parts by weight: 2 to 8 parts of ferric nitrate, 10 to 20 parts of an acetic acid solution, 10 to 20 parts of chitosan, 6 to 12 parts of a hydroxyl nickel powder, 5 to 15 parts of copper sulfate, 5 to 15 parts of nano-zinc oxide, 10 to 25 parts of graphene oxide, 4 to 12 parts of nano-titanium dioxide, 5 to 12 parts of polyacrylonitrile fiber and 10 to 25 parts of polyvinyl butyral. The preparation process provided by the invention is simple, the prepared adsorbent can effectively adsorb heavy metal ions in sewage, and the residues after reaction do not cause pollution to water quality and soil.

The invention discloses a heavy aromatics lightened monolithic catalyst. The catalyst is prepared from 70-100 wt% of a monolithic NaY molecular sieve and 30-0 wt% of an active modified component, and is prepared by the method comprising the following steps: uniformly mixing and kneading a silicon source, metakaolin, a guiding agent, an alkali source and water, performing oligomer preforming, filling the preformed oligomer in a reaction still with a water jacket interlayer to be crystallized, wherein the formed oligomer and the water are filled at the mass ratio of 2-3 to 1, washing and drying the crystallized product to obtain the monolithic NaY molecular sieve, washing, exchanging, drying and dipping the active modified component to prepare the monolithic catalyst, in which the active modified component is one or more selected from salts of rare earth metals and transition metals. The invention further discloses a preparation method of the catalyst. The monolithic catalyst disclosed by the invention can achieve the purpose of increasing production of BTX (Benzene, Toluene and Xylene) arene and the high-quality disproportioned raw material. The preparation method disclosed by the invention has the advantages of simple steps, low preparation cost, and low environmental pollution.

The invention relates to the field of adhesives, in particular to a high-temperature-resistant flexible single-component epoxy sealing adhesive and a preparation method thereof. The high-temperature-resistant flexible single-component epoxy sealing adhesive is prepared from the following raw materials in parts by weight: 10-40 parts of epoxy resin, 10-30 parts of a mixed softening resin, 5-20 parts of an active diluent, 5-20 parts of a mixed curing agent, 0.01-1 part of a polymerization inhibitor, 0.1-5 parts of fumed silica, 0.01-1 part of an infiltration flow promoter and 5-30 parts of spherical silica powder, the mixed curing agent is a mixture of a modified amine latent heat curing agent and a modified imidazole latent heat curing agent, and the mixed softening resin is prepared from at least two of F100, F300, Capa3050, H2004, HEF750, HEF751, EP-4000L and EP-4000S. The adhesive disclosed by the invention can be widely applied to sealing processes of USB ports and high-temperature-resistant reflow soldering processes, has good bonding performance on PA46, stainless steel, PC and the like, and ensures excellent waterproof sealing performance and plugging resistance of the USB ports of electronic products.

The invention discloses a method for making steamed bread by adopting mulberry silk fibroin and levain. The method comprises the steps as follows: dewatering mulberry leaves; carrying out spray-drying on the dewatered mulberry leaves, a tea leaf concentrated solution and a silk fibroin concentrated solution to obtain mulberry silk fibroin powder; and fermenting with the levain to obtain the mulberry leaf steamed bread. Due to the development of the steamed bread, the problems of thick undesirable odor of the mulberry leaf steamed bead made of mulberry leaf juice, low possibility of storing the mulberry leaf juice and inconvenience for acquiring the mulberry leaves at present are solved, the existing steamed bread varieties are enriched, the silkworm mulberry resources are effectively utilized, and the comprehensive benefit of the silkworm mulberry industry is increased.

The invention relates to the technical field of vacuum pumps, and discloses a corrosion-resistant spray nozzle of a vacuum pump. The corrosion-resistant spray nozzle comprises the following components in percentage by weight: 13.2 to 14.1% of silicon, 1.3 to 1.5% of titanium, 1.1 to 1.3% of niobium, 0.7 to 0.9% of rhodium, 0.6 to 0.8% of chromium, 0.4 to 0.5% of antimony, 0.32 to 0.37% of yttrium, 0.24 to 0.28% of scandium, 0.16 to 0.18% of rhenium, 0.11 to 0.13% of cobalt, 0.05 to 0.07% of ruthenium, and the balance of aluminum. The corrosion-resistant spray nozzle has the advantages that the preparation is simple, the working efficiency is increased by 17.3%, and the economic income is increased by 13.6%; the rich raw materials are provided, the acid and alkaline corrosion-resistant property and the high temperature-resistant property are realized after reinforcing and passivating treatment, the surface is smooth, the color and luster is uniform, the sealing property is good, the service life of the vacuum pump is prolonged by 18.2%, and the use value of the vacuum pump is obviously increased; by adding chitosan and peanut shell extract into a passivating liquid, the antibacterial and anti-oxidizing properties of the spray nozzle are improved.

The invention discloses a haloamine-type macromolecular compound modified mesoporous material. A preparation method of the mesoporous material comprises the following steps of: (1) dissolving a haloamine-type macromolecular compound in a mixed solvent of water and alcohol, then adding amesoporous material and ultrasonically dispersing to be uniform; (2) adjusting the temperature of the reaction system to 60-80 DEG C, reacting for 8-16 hours, and then drying for 3-6 minutes at a temperature of 140-160 DEG C, and then washing, centrifuging and preparing a crude modified mesoporous material product; (3) placing the obtained crude modified mesoporous material product in a sodium hypochlorite solution, stirring and reacting at a room temperature, washing, centrifuging, drying and thus obtainingthe haloamine-type macromolecular compound modified mesoporous material. The modified mesoporous material disclosed by the invention can be used as a treating agent of phenolic compounds in an aqueous solution, and has double functions of physical absorption and chemical removal.

The invention provides a preparation method of an integrated NaY molecular sieve with a high silica-alumina ratio. According to the method, the NaY molecular sieve is prepared by reaction of a formed reaction substrate. The method specifically comprises the following steps: preparing a NaY molecular sieve guiding agent according to a certain proportion, and stirring and aging for 4-10 hours at 20-40 DEG C; uniformly mixing and kneading materials such as a solid silicon source, metakaolin and the guiding agent and forming, filling the formed reaction substrate in a reaction kettle for crystallization, wherein the crystallization temperature is controlled at 100-150 DEG C and the crystallization time is 5-40 hours; and after reaction, filtering, washing and drying the product to obtain the NaY molecular sieve. The method which is used for synthesizing the integrated NaY molecular sieve in one step has the characteristics of high raw material utilization ratio, high product yield and the like. Moreover, the prepared integrated NaY molecular sieve is great in area and high in activity.

The invention discloses a composite detoxification agent capable of removing zearalenone. The composite detoxification agent comprises the following raw materials in parts by weight: 30-45 parts of rectorite, 8-19 parts of zeolite, 10-20 parts of sepiolite, 5-17 parts of rice husk charcoal, 5-13 parts of modified konjac glucomannan, 5-15 parts of sodium humate, 1-3 parts of vitamin E, 2-11 parts of compound bacteria and 5-15 parts of surfactants. The composite detoxification agent, which is provided by the invention, capable of removing the zearalenone has a high zearalenone detoxification rate and a stable effect.

The invention discloses an artificial board processing method, which comprises the following manufacturing steps that 1, a flame retardant is added into cherry blossom texture decorative paper; dryingis performed to obtain flame retardant cherry blossom texture adhesive film paper; 2, the flame retardant and blank seeds for manufacturing a base plate are uniformly mixed; hot pressing is performedfor manufacturing a flame retardant base plate; 3, assembling a flame retardant cherry blossom texture stainless steel template and a buffer pad into a single layer hot pressing machine; the flame retardant cherry blossom texture adhesive film paper is conveyed to a specific position; the buffer pad is put between a hot pressing plate of the hot pressing machine and the cherry blossom texture stainless steel template; the temperature is slowly raised; then, heat insulation is performed; 4, sundries such as board scraps and dust on the flame retardant base plate are cleaned and brushed; 5, thefirst flame retardant cherry blossom texture adhesive film paper, the cleaned and brushed flame retardant base plate and the second cherry blossom texture adhesive film paper are paved from top to bottom to form an artificial board blank; 6, the artificial board blank in the step 5 is subjected to hot pressing by the hot pressing machine; 7, after trimming and cooling balance, the manufacturing of a flame retardant cherry blossom texture veneer composite board is completed.

The invention belongs to the technical field of porous carbon materials, and discloses a nitrogen-doped porous carbon material as well as a preparation method and application thereof. The method comprises the following steps: 1) in a mixed solvent containing water, mixing a triblock copolymer F127, an organic nitrogen source, magnesium chloride and potassium ferrate, adding agarose, uniformly mixing the components, cooling the mixture to form hydrogel, and freeze-drying the hydrogel to obtain dry gel; 2) carbonizing the dry gel to obtain a nitrogen-doped porous carbon material, wherein the carbonization treatment is to carbonize the dry gel at the temperature of 800-900 DEG C; or the carbonization treatment is that the xerogel is subjected to primary carbonization, acid treatment and secondary carbonization. The method is simple, and the obtained nitrogen-doped porous carbon material has a large specific surface area, a large number of defect sites, a high nitrogen doping amount and excellent oxygen reduction performance. The invention also discloses the application of the nitrogen-doped porous carbon material in electrocatalytic oxygen reduction reaction as an oxygen reduction reaction electrocatalyst.

The invention relates to the field of adhesives, in particular to a high-temperature-resistant flexible single-component epoxy sealing adhesive and a preparation method thereof. The high-temperature-resistant flexible single-component epoxy sealing adhesive is prepared from the following raw materials in parts by weight: 10-40 parts of epoxy resin, 10-30 parts of a mixed softening resin, 5-20 parts of an active diluent, 5-20 parts of a mixed curing agent, 0.01-1 part of a polymerization inhibitor, 0.1-5 parts of fumed silica, 0.01-1 part of an infiltration flow promoter and 5-30 parts of spherical silica powder, the mixed curing agent is a mixture of a modified amine latent heat curing agent and a modified imidazole latent heat curing agent, and the mixed softening resin is prepared from at least two of F100, F300, Capa3050, H2004, HEF750, HEF751, EP-4000L and EP-4000S. The adhesive disclosed by the invention can be widely applied to sealing processes of USB ports and high-temperature-resistant reflow soldering processes, has good bonding performance on PA46, stainless steel, PC and the like, and ensures excellent waterproof sealing performance and plugging resistance of the USB ports of electronic products.

The invention relates to a high-strength ceramic binder, and belongs to the technical field of machining. According to the present invention, a high-frequency energy-absorption component foamed nickelis adopted and is subjected to mixed grinding with a co-permeation agent and the like, and low-temperature gas discharge and high-temperature solid phase diffusion are sequentially performed to forma three-dimensional network compact alloy structure so as to enhance the impact energy; the alloy structure as a substrate layer is added with nanometer iron powder, such that the lasting bonding performance can be maintained under high temperature and strong impact force, the fatigue resistance is good, the impact force can be resolved and absorbed, and a firm maintaining effect can be formed between the alloy structure and a grinding tool so as to improve the application effect; by using multi-component mixed ball milling and pressing, hard components are formed through multiple layers and are evenly dispersed, such that the filling with the hard impact-resistant component and the soft viscous material can improve the impact resistance and the fatigue resistance; and the prepared high-strength ceramic binder can solve the problem of poor improvement in the impact resistance and the fatigue resistance during the application of the commonly used ceramic binder in grinding tools.

The invention discloses a novel metal film coated decorative sheet and an application thereof. The novel metal film coated decorative sheet comprises a substrate, wherein the surface of the substrateis coated with a coating, a metal film is attached to the surface of the coating, the metal film is coated with a colorful pattern, and a protective film is attached to the other side of the metal film. The metal film coated decorative sheet is high in strength, good in fracture resistance, good in weather resistance, good in environmental protection property, rich in pattern, full in surface, high in hardness, resistant to scratch, easy to clean, fireproof, damp-proof and the like, the metal film coated decorative sheet can be applied to different interior decoration scenes of a public placeor a home decoration situation in different structural modes, specifically, the interior decoration scenes comprise a room, a lobby, a bathroom, a kitchen or a specific environment place except for ceilings, floors and wall surfaces, and in particular, the most intractable seamless applications at present of a window sleeve, a door sleeve, an internal corner and an external corner are solved.

The invention provides a preparation method of an integrated NaY molecular sieve with a high silica-alumina ratio. According to the method, the NaY molecular sieve is prepared by reaction of a formed reaction substrate. The method specifically comprises the following steps: preparing a NaY molecular sieve guiding agent according to a certain proportion, and stirring and aging for 4-10 hours at 20-40 DEG C; uniformly mixing and kneading materials such as a solid silicon source, metakaolin and the guiding agent and forming, filling the formed reaction substrate in a reaction kettle for crystallization, wherein the crystallization temperature is controlled at 100-150 DEG C and the crystallization time is 5-40 hours; and after reaction, filtering, washing and drying the product to obtain the NaY molecular sieve. The method which is used for synthesizing the integrated NaY molecular sieve in one step has the characteristics of high raw material utilization ratio, high product yield and the like. Moreover, the prepared integrated NaY molecular sieve is great in area and high in activity.

The invention discloses a method for making steamed bread by adopting mulberry silk fibroin and levain. The method comprises the steps as follows: dewatering mulberry leaves; carrying out spray-drying on the dewatered mulberry leaves, a tea leaf concentrated solution and a silk fibroin concentrated solution to obtain mulberry silk fibroin powder; and fermenting with the levain to obtain the mulberry leaf steamed bread. Due to the development of the steamed bread, the problems of thick undesirable odor of the mulberry leaf steamed bead made of mulberry leaf juice, low possibility of storing the mulberry leaf juice and inconvenience for acquiring the mulberry leaves at present are solved, the existing steamed bread varieties are enriched, the silkworm mulberry resources are effectively utilized, and the comprehensive benefit of the silkworm mulberry industry is increased.

The invention relates to a ternary positive electrode material of a lithium ion battery, a preparation method of the ternary positive electrode material and the lithium ion battery. The particle surface of the ternary positive electrode material is of a lamellar structure, and the lamellar structure is provided with a plurality of stacked lamellar units; the lamella thickness of each lamella unitis 100-200 nm, and the lamella length of each lamella unit is about 300-600 nm; and the D10 of the ternary positive electrode material is 1400-1800nm, the D90 of the ternary positive electrode material is 2900-3300nm, the D50 of the ternary positive electrode material is 2000-2500nm, and the specific surface area of the ternary positive electrode material is 18000-35000 cm<2> / g. Compared with traditional secondary ball small particles, the lithium ion battery positive electrode material disclosed by the invention has better mechanical strength due to closer combination, and the unique graded lamellar structure of the lithium ion battery positive electrode material has a surface richer than that of a single crystal material, so that an electrode / electrolyte interface is increased, the intercalation / deintercalation process of lithium ions is better facilitated, and thus the lithium ion battery positive electrode material has higher capacity.

The invention belongs to the technical field of porous carbon materials, and discloses a nitrogen-doped porous carbon material, a preparation method and application thereof. The method: 1) in a mixed solvent containing water, mix the triblock copolymer F127, an organic nitrogen source, magnesium chloride and potassium ferrate, add agarose and mix evenly, cool to form a hydrogel, freeze-dry, and obtain dry Gel; 2) Carbonizing the xerogel to obtain a nitrogen-doped porous carbon material; the carbonization treatment is carbonizing the xerogel at 800-900°C; or the carbonization treatment is carbonizing the xerogel once , acid treatment, secondary carbonization. The method of the invention is simple, and the obtained nitrogen-doped porous carbon material has larger specific surface area, more defect sites and higher nitrogen doping amount, and has excellent oxygen reduction performance. The application of the nitrogen-doped porous carbon material in the electrocatalytic oxygen reduction reaction is used as an electrocatalyst for the oxygen reduction reaction.

The invention discloses an automatic carpet molding production system. The system comprises a pedestal, the bottom of the pedestal is fixedly provided with a material storage box, the side surface of the material storage box is fixedly provided with a workbench, the connection part of the workbench and the material storage box is fixedly provided with a feeding mechanism, a braiding mechanism and a material suction mechanism are sequentially fixedly arranged at the bottom of the workbench from the right to the left, the bottom of the workbench is fixedly provided with a transmitting mechanism, one side, far from the material suction mechanism, of the workbench is fixedly provided with a discharging opening, and the bottom of the discharging opening is fixedly provided with a supporting bench. The automatic carpet molding production system allows fan blades to rapidly rotate and generate huge suction force by arranging the material suction mechanism, wool residual on the surface of a carpet is adsorbed through a material inlet, and the material suction mechanism makes the surface of the carpet beautiful and clean, so completion of the surface of the carpet is facilitated, the hand feeling is enhanced, and selling of the carpet is facilitated; and the system is completely not manually operated, so manpower saving is benefited, and the production cost is saved.