2847results about How to "Continuous production" patented technology

The present invention relates to Ag and RE doped nanometer zinc oxide and its preparation process and application in photocatalysis to degrade organic matter and killing bacteria. Ag, RE metals La, Ce, Pr, Nd, Sm, etc. are doped into nanometer zinc oxide to raise its photocatalytic activity in degrading harmful chemical matter and resisting bacteria. Under lighting, the doped nanometer zinc oxide has higher photocatalytic activity and higher antibacterial capacity; and in case of no lighting, it has relatively high antibacterial effect owing to the antibacterial effect one Ag, Zn, RE and other antibacterial ions. The preparation process may be an organic matter complexing process or a sprying pyrolysis process. The doped nanometer zinc oxide may be used through mixing with other material, or used as additive added into plastic, ceramic, fiber, timber, rubber, glass, cement, metal and other material to form various kinds of photocatalytic antibacterial material and product.

The invention discloses a graphene filled polymer matrix composite material. The composite material is prepared through using 90-99 parts by weight of a thermoplastic resin, 0.1-10 parts by weight of a graphene microchip, 0.01-1 part of a coupling agent, and 1-10 parts of a lubricant. The invention also discloses a preparation method of the graphene filled polymer matrix composite material. Compared with other carbon system filled composite materials, the graphene filled polymer matrix composite material has the advantages of easy processing, easy forming, less filler filling amount, wide raw material source, environmental protection and the like. The composite material has the characteristics of excellent electric conductivity, excellent thermal conductivity, good mechanical properties, good dimensional stability, good weather resistance and the like; and compared with present technologies for preparing a graphene/polymer composite material through in-situ polymerization or solution polymerization, the melt blending method for preparing the graphene filled polymer matrix composite material in the invention has the advantages of continuous production, suitableness for the large-scale production, and the like.

The invention discloses a polymer/graphene anti-static coating, a preparation method and application thereof. The coating comprises the following constituents by weight percent: 0.01 portions to 0.5 portions of graphene; 0 portion to 10 portions of conductive additive; 90 portions to 100 portions of polymer; and solvent; the preparation method thereof comprises the following steps: completely and uniformly mixing graphene and conductive additive in advance by various manners; preparing a graphene-conductive additive compound system; using the compound system as a base, adding in conductive additive and polymer along with the solvent, completely and uniformly mixing to obtain the coating. Additionally, an anti-static film can be prepared by using different film forming technologies. The polymer/graphene anti-static coating, the preparation method and application thereof effectively solve the problems that graphene in polymer is easy to agglomerate and difficult to be uniformly dispersed in the preparation process of anti-static coating and film; the anti-static performance and mechanical performance of the coating and the film are greatly increased; meanwhile, the preparation technology is easy to be operated; the production is continuous, and the coating and film are suitable for industrial production.

The invention discloses a method for extracting high-content mogroside V from dried momordica grosvenori swingle. The extraction technique includes the following steps: extraction, concentration, filtration, adsorption, decoloration, concentration and drying, so that the mogroside V product is obtained. The method adopts the dried momordica grosvenori swingle as material for production, the content of the obtained product is high, the taste and the color are good, the adopted equipment required by the technique is simple, continuous production can be carried out, and moreover, because the used solvents are ethanol and water, no pollution is generated.

A manufacturing method for a solid electrolyte sheet includes applying slurry, which contains sulfide-based solid electrolyte powder, a sulfur-containing compound and a solvent, onto a base; and forming the slurry into a sheet.

A slurry for forming an insulating layer of the present invention includes heat-resistant insulating fine particles, a thickening agent, and a dispersion medium. The insulating fine particles are dispersed in the dispersion medium. The slurry for forming an insulating layer has a viscosity of 5 to 500 mPa·s. The proportion of particles with a particle size of 1 μm or less in the insulating fine particles is 30 vol % or more and the proportion of particles with a particles size of 3 μm or more in the insulating fine particles is 10 vol % or less. An electrochemical device of the present invention includes a separator for an electrochemical device of the present invention that is produced using the slurry for forming an electrochemical device of the present invention.

The invention discloses a general synthesis method of a three-dimensional compound structure based on three-dimensional MXene, and belongs to the field of nano materials. The three-dimensional compound structure is composed of a three-dimensional MXene load inorganic nano structure and is of a flower-like hierarchical porous structure. The method comprises the steps that an ultrasonic atomizer isadopted for atomizing mixed suspension liquid of three-dimensional MXene particles, metal salt and an auxiliary into aerosol micro-droplets, and under inert or reactive atmosphere, high-temperature fast drying is conducted to obtain the three-dimensional compound structure with controllable structure and size; or the three-dimensional MXene particles and metal salt or a nonmetallic compound are evenly mixed in solvent or in a solid-phase mode to obtain a mixture, and high-temperature calcination is conducted under the inert or reactive atmosphere to obtain the three-dimensional compound structure with controllable structure and size. By means of the three-dimensional compound structure based on the three-dimensional MXene, the problems of inorganic nano material particle aggregation, poorconductivity and two-dimensional MXene stacking can be solved, and thus a foundation is laid for preparation, processing and various aspects of application of a MXene-based high-performance functionalmaterial.

A surface protection technology of neodymium-ferrous-boron permanent magnetic material is carried out by grinding for neodymium-ferrous-boron permanent magnetic material, degreasing while removing oil, removing rust while acid cleaning, activating acid liquid, putting it into black liquid or blue liquid, chemically coating and forming into blue-black or dark blue protection film. It has excellent combination and anti-corrosion performances.

The invention relates to a method for preparing carbon-coated core-shell nanoparticles continuously, in particular to a method for preparing carbon-coated metallic oxides, carbon-coated metals, carbon-coated metallic carbides and carbon-coated metal alloy nanoparticles continuously. The method comprises the following steps of: in the process of flame combustion, forming a reducing atmosphere of different degrees in a reactor by controlling the fuel oxygen ratio; atomizing organic solvent solution of a metal salt, adding the atomized solution into the reactor to perform incomplete combustion at the temperature of between 1,000 and 1,800 DEG C; and performing thermal decomposition, nucleating, growing and in-situ carbon coating on a precursor at the high temperature a reducing atmosphere ofdifferent degrees to form the carbon-coated core-shell nanoparticles finally. In the obtained core-shell material, the nanoparticles are coated by carbon effectively and have the good heat stability and acid-base stability. Nanometer core-shell structures of the carbon-coated nanoparticles prepared by the method have the advantages of simple equipment process, no need of substrates, large-scale continuous production and easy industrial implementation.

The invention relates to a continuous production technology of three kettle type sodium hydrosulfide. The continuous production technology comprises the following processing steps: (1) firstly, hydrogen sulfide enters into the bottom of a first reaction kettle and is reacted with a mixed liquid pumped by a second reaction kettle, the unreacted gas at the top of the first reaction kettle enters into the bottom of the second reaction kettle and is reacted with a material from a third reaction kettle, and the reaction temperature is adjusted by cooling water in a jacket; (2) gases which are incompletely reacted at the top of the second reaction kettle and cooled through a gas cooler enter into the bottom of the third reaction kettle and are fully reacted with 48% sodium hydroxide liquor from an alkali liquor tank, and the reaction material on the upper part of the third reaction kettle enters into the second reaction kettle to react due to gravitational flow; (3) the material which is fully reacted at the bottom of the first reaction kettle is pumped into a sodium hydrosulfide product tank through a pump to store and sell. The technology provided by the invention has the beneficial effect that sodium hydrosulfide production units are arranged linearly, so that continuous production of NaHS liquor is realized.

A technology for pre-processing the stems of tobacco leaves includes heating the low-loss granular solid microwave medium as thermal medium to 100-200 deg.c, mixing said stems with said thermal medium, heating in microwaven over for puffing the stems, and separating the tobacco stems from thermal medium. The pre-processed stems feature high loseness and elasticity, and good smell.

The invention discloses a composite intumescent flame retardant which is composed of the following components in percentage by weight: 50-65% of acid source, 10-20% of gas source, 15-20% of carbon source and 10-20% of smoke inhibitor. The acid source is composed of at least one of ammonium polyphosphate, melamine phosphate and melamine polyphosphate, wherein the ammonium polyphosphate is crystal II ammonium polyphosphate with the average degree of polymerization of greater than 1000; the gas source is composed of at least one of melamine and dicyandiamide; the carbon source is composed of at least one of pentaerythritol and bis pentaerythritol; and the smoke inhibitor is composed of at least one of magnesium hydroxide, aluminum hydroxide and zinc borate. The invention also discloses a preparation method of the composite intumescent flame retardant.

The invention discloses a continuously-produced full-degradable starch-based plastic alloy and a preparation method thereof. The starch-based plastic alloy contains the following components in parts by weight: 40-90 parts of starch, 5-60 parts of poly(butylene succinate), 5-60 parts of polylactic acid, 10-40 parts of plasticizer, 0.1-10 parts of compatibilizer and 1-10 parts of processing acid. The preparation method comprises the steps of mixing starch, plasticizer and part of processing aid, and extruding to obtain thermoplastic starch particles; then, mixing the thermoplastic starch particles with poly(butylene succinate), polylactic acid, compatibilizer and the residual processing aid, and extruding to obtain the starch-based plastic alloy. The starch-based plastic alloy disclosed by the invention is favorable in hydrophobicity and strength, good in component compatibility, favorable in thermoplastic processability, capable of realizing continuous production and processing as well as simple and feasible in technical process.

Sustained hydrogen production is obtained by the culturing of a genetically-modified algae, where the ability of the chloroplasts to intake sulfate is reduced or eliminated compared to wild-type algae. The alga is cultured in a sealed environment in a liquid or solid medium that contains sulfur, and hydrogen is generated continuously. Alternatively, the algae may be cultured in the presence of bacteria that also produce hydrogen gas. The hydrogen produced can be collected and used as a clean energy source.

The present invention relates to a method for producing 1,1,1,3,3-pentafluoropropane. This method includes a first step of fluorinating 1-chloro-3,3,3-trifluoropropene in a liquid phase by hydrogen fluoride in the presence of an antimony compound as a catalyst, or a second step of fluorinating 1-chloro-3,3,3-trifluoropropene in a gas phase by hydrogen fluoride in the presence of a fluorination catalyst. If the first step is taken, 1,1,1,3,3-pentafluoropropane can be produced with a high yield. If the second step is taken, 1,1,1,3,3-pentafluoropropane can continuously be easily produced. Therefore, the second step is useful for an industrial scale production thereof. According to the invention, 1-chloro-3,3,3-trifluoropropene may be produced by a method including a step of reacting 1,1,1,3,3-pentachloropropane with hydrogen fluoride in a gas phase in the presence of a fluorination catalyst. This method is useful, because yield of 1-chloro-3,3,3-trifluoropropene is high.

The invention discloses a method and equipment for preparing ultrahigh molecular weight polyethylene fibers. The method comprises the following steps of: blending and melting ultrahigh molecular weight polyethylene and a modifier to prepare a granular or powdery modified ultrahigh molecular weight polyethylene raw material; melting and extruding the raw material by using an extruder to form melt of which a flow rate is 0.01 to 0.2 grams per 10 minutes, feeding the melt to a spinning mould by using a melt pump to form melt strips, and cooling and pre-stretching the melt strips to obtain primary yarns; and stretching the primary yarns in a plurality of stages to obtain the ultrahigh molecular weight polyethylene fibers. The equipment comprises the extruder, the melt pump, the spinning mould, a cooling channel, a three-roller tractor, a primary hot-stretching box, a first seven-roller tractor, a secondary hot-stretching box, a second seven-roller tractor, a rinsing trough, a drying box and a winder which are arranged sequentially. The method and the equipment have the characteristics of continuous production capability, relatively shorter process flow, relatively fewer equipment components, no need of solvent, low production cost and the like.

This is a argent metallization producing method of organic fibre and fabric, which belongs to vacuum membrane plating and electroplating technologic field and mainly solves the problems of quality and producing batches of silver-gilt organic and fabric. Through physical vapour phase deposition technology, it firstly arranges smoothly and rolls up tidily the organic fibre bundle and fabric; lay them in the vacuum room, plate silver by magnetic controlling and sputtering, and monolayer or multilayer continuously plate membrane; then plate mulriple argent membrane according to different using demands. The binding force of the metallic argentic ion and organ fibre of the present invention is strong, it has no pollution, low costs and can be continuously produced. The products are applied in such industry as electronics, war industry communication, medical treatment, special type of spinning and so on. For instance, electric shielded products, military used shielded tent, special type of spinning antibacterial materials and civil health care spinning products.

The invention relates to a method for recycling a solvent-flux for industrially compounding PPTA, comprising the following steps: (1) a mother solution which comprises NMP solvent, salt, water and trace oligomer and is obtained after synthetic PPTA resin is washed by water is extracted and separated to respectively obtain an extract phase NMP-extractant system and a raffinate phase salt-water-extractant system; (2) water obtained after an raffinate phase is stripped and separated is used for washing the resin, and the obtained extractant is recycled; (3) water obtained after an extract phase is rectified and delaminated is used for washing the resin, the obtained extractant is recycled, and coarse NMP obtained through separation is recycled after being purified. By extraction for desalination, the method solves the problem that NMP is thermally cracked under the condition of salt existence because the salty mother solution is directly distilled, largely enhances the solvent recovery rate (reaching above 97 percent), has low energy consumption, and recycles the flux simultaneously, such as calcium chloride. The method can realize closed, continuous and clean production and is beneficial to protecting the environment.