54results about How to "Meet industrial applications" patented technology

The invention discloses a method for waste mixed plastic separation. The method comprises the following steps: crushing waste mixed plastic into mixed plastic particles, adding the obtained mixed plastic particles into a liquid medium I to perform sinking and floating separation, obtaining light-component plastic particles which are smaller than the liquid medium I in density and heavy-component plastic particles which are larger than that of the liquid medium I in density through the sinking and floating separation, adding the heavy-component plastic particles into a liquid medium II to perform surface treatment at a temperature of 70-100 DEG C and performing flotation separation on the heavy-component plastic particles subjected to surface treatment through a floating agent. According to the method, a variety of plastics in waste plastics can be efficiently and selectively separated. The method is simple to operate, is low in cost and meets the industrial application and production.

The invention discloses a hydrogel antifouling fiber, a preparation method of hydrogel antifouling fiber and a preparation method of an implanted type high-strength hydrogel antiflouling coating layer, and relates to antiflouling materials, preparation methods of the antiflouling materials, and preparation methods of vessel antifouling coating layers, for mainly solving the technical problems that the conventional PVA (Polyvinyl Acetate) fiber implanted type vessel antiflouling coating layer is poor in antifouling effect and short in service life. The hydrogel antifouling fiber disclosed by the invention is a fiber with a core-shell structure, the shell layer of the fiber is made of polyacrylamide, and the core layer is made of carbon nano tube modified polyacrylamide. The preparation method comprises the following steps: 1, preparing polyacrylamide hydrogel, 2, preparing a core layer spinning dope, 3, preparing a shell layer spinning dope, 4, spinning by using a wet method to obtain the hydrogel antifouling fiber. The preparation of the antifouling coating layer comprises the following steps: spraying implantation gel onto a substrate, further implanting the hydrogel antifouling fiber into the substrate through a high-pressure static implantation technique, and drying to obtain the implanted type high-strength hydrogel antifouling coating layer. The coating layer is not changed when being soaked in seawater or industrial water for 6 months, so that the coating layer can be applied to vessel antifouling.

The invention discloses a method for synthesizing N-hydroxy phthalimide with the solid-phase process by grinding the raw materials of phthalic anhydride and hydroxylamine hydrochloride and the mineralizer of sodium chloride and ferric oxide under the protection of nitrogen. The method for synthesizing N-hydroxy phthalimide with the solid-phase process ensures the thorough reaction, high yield, low energy consumption and less pollution and is suitable for industrial production, thereby being a promising preparation method.

The invention belongs to a method for preparing barium sulfate particles through a microchannel method in the technical field of nanomaterial preparation. The method comprises the following steps: introducing a sulfate water solution and a barium salt water solution into a microchannel reactor for reacting and ageing, and centrifuging, washing and drying an obtained reaction solution, thus obtaining the barium sulfate particles, wherein selected sulfate is sodium sulfate, ammonium sulfate or sodium persulfate, and barium salt is barium chloride, barium acetate or barium nitrate. The morphologyand the particle size distribution of the obtained barium sulfate particles are controllable, and industrial application of medical dry films can be met to a larger extent.

The invention relates to a separating method of mixed plastics and belongs to the technical field of waste plastic recovery. The method includes subjecting mixed plastic particles to surface modification by dipping the mixed plastic particles into an aqueous solution containing a wetting agent until an adsorption amount of the wetting agent on surfaces of the mixed plastic particles is not less than 5 g/t, performing solid liquid separation, adding the obtained solid into an eluant, eluting for not more than 20 min, performing solid liquid separation to obtain solid that is eluted mixed plastic particles, and subjecting the eluted mixed plastic particles to floatation to obtain a single plastic with high purity. The method is high in separation efficiency, simple in operation, easily controllable and low in cost and facilitates large-scale industrial application.

The invention discloses a producing method of the rare earth based flat plate denitrification catalyst which applies the anatase titanium dioxide powder as the first carrier, the titanium silicon molybdenum compound oxides as the active components, one or more of the nanometer oxides of tungsten, cobalt, nickel, zirconium iron as the assistant catalyst. What's more, add the binder and lubricant and then form the pastes of the denitrification catalyst. The pastes of the catalyst needs to be decayed, coated, dried, cut and calcined to make the flat plate denitrification catalyst. The rare earth denitrification catalyst produced in this method has a good stability of high temperature and frame. The anti-wear and anti-seismic functions are quite excellent. it also has features like wider temperature windows, higher denitrification efficiency and simple recycling and processing of waste catalyst. The processing is simple and low-cost so it can meet the requirements of the industrial application and will be adapted to the denitrification of all the fixed and moving sources.

The invention discloses a white graphene modified polybutylene terephthalate composite material and a preparation method thereof. The modified composite material is mainly prepared from, by weight, 0.5-6 parts of high polymer modified white graphene, 75-88.5 parts of polybutylene terephthalate, 10-15 parts of a phosphorus-nitrogen flame retardant, 0.5-2 parts of an antioxidant and 0.5-2 parts of adispersing agent. The white graphene modified polybutylene terephthalate composite material has advantages of environmental friendliness and high flame resistance.

The invention discloses laser transfer paper based on combination of water-based materials and a preparation method of the laser transfer paper. The laser transfer paper based on combination of the water-based materials comprises a moisture preserving layer, a backing paper layer, a glue layer, a metal vacuum plating layer, a laser transfer layer and a varnish layer which are stacked sequentially,wherein the glue layer is a self-crosslinking modified acrylate layer; the laser transfer layer is a modified polyurethane layer; the moisture preserving layer, the glue layer, the laser transfer layer and the varnish layer are all prepared from water-based resin; film-forming resin of the modified polyurethane layer is Xinrui DFW-09. Materials used by the laser transfer paper based on combination of the water-based materials are all water-based environment-friendly materials, the environmental performance is good, the laser transfer paper based on combination of the water-based materials isgood in continuous mold pressing performance, better in brightness, good in folding resistance and excellent in gloss loss resistance, plate blocking in mold pressing is avoided, and continuous stripping can be realized.

The invention discloses a dual solvent step-by-step phase conversion preparation method of a polymethyl methacrylate gel electrolyte microporous membrane. The preparation method comprises the following steps: mixing a pore forming agent and a volatile solvent, dissolving polymethyl methacrylate polymer, after complete dissolution, uniformly painting the solution on a flat plate by using a scraper; allowing the flat plate to stand still for a while, after the volatile solvent is completely volatized, soaking the flat plate in deionized water, after the pore forming agent in the polymer membrane is dissolved in water, taking out the flat plate, drying the flat plate through baking, and after drying, soaking the polymer membrane into lithium salt electrolyte to obtain the PMMA gel electrolyte microporous membrane. A solvent, which can be easily dissolved in water and has a boiling point greater than 100 DEG C, is taken as the pore forming agent, the uniformity of the gel electrolyte microporous membrane is improved; compared with a conventional diaphragm, the electrochemical stability window and charge/discharge efficiency are higher; a better liquid absorbing effect is achieved, no leakage happens, the mechanical strength of the membrane is enhanced; the safety problem of liquid lithium ion batteries is solved, the problem that the conductivity of solid batteries is low is solved; and the method can be applied to industrial production easily.

The invention discloses a method for utilizing mixed waste acids in an acetic acid production device, which comprises the following steps: (1) pumping waste acid materials into a falling film evaporator, evaporating to obtain acetic acid and propionic acid vapor, condensing the acetic acid propionic acid vapor, and sending the condensate into a receiver tank; (2) pumping the acetic acid and propionic acid condensate into a reactor from the receiver tank, adding calcium carbonate into the reactor, reacting until the pH value of the reaction solution is 8-9, and taking out the solution; (3) filtering the reaction solution, sending part of the filtrate into a fluidized bed dryer, drying to obtain a calcium acetate and calcium propionate salt mixture, sending the calcium acetate and calcium propionate salt mixture into the other part of filtrate to form a calcium acetate and calcium propionate saturated solution; and (4) sending the saturated solution into a crystallizer, heating to precipitate calcium acetate crystals, and lowering the temperature to precipitate calcium propionate crystals. The method implements recovery of propionic acid and acetic acid in the waste acids.

Disclosed is a high-flow plug-in mounting type three-position four-way electro-hydraulic servo valve. The high-flow plug-in mounting type three-position four-way electro-hydraulic servo valve comprises a control unit and four plug-in mounting type two-way servo valves. Four signal output ports of the control unit are connected with control signal input ports of the plug-in mounting type two-way servo valves respectively, and four signal input ports of the control unit are connected with valve plug displacement signal output ports of the plug-in mounting type two-way servo valves respectively. Every two plug-in mounting type two-way servo valves are connected in series, an oil outlet of one of every two connected plug-in mounting type two-way servo valves is connected with an oil inlet of the other plug-in mounting type two-way servo valve, so that two series-connected dual-valves are formed. Oil outlets of the series-connected dual-valves are used for being connected with an oil tank, oil inlets of the series-connected dual-valves are used for being connected with a hydraulic oil source, equivalently, the series-connected dual-valves are connected in parallel, so that a bridge type loop is formed, and the high-flow plug-in mounting type electro-hydraulic servo valve with a three-position four-way function is formed. The plug-in mounting type two-way servo valves are controlled by the control unit to change the opening degrees of valve ports so that changes of the flow direction and the flow quantity of oil can be achieved. The contradiction between the high flow and the high frequency response of an existing electro-hydraulic servo valve is effectively overcome, and the high-flow plug-in mounting type three-position four-way electro-hydraulic servo valve has the technical characteristics of the high flow and the high frequency response.

The invention provides an intelligent Bluetooth padlock control device and an intelligent Bluetooth padlock. The control device comprises a Bluetooth control unit, and a touch panel interface, a motordriving circuit, a motor and a battery which are electrically connected with the Bluetooth control unit separately; an output shaft of the motor is mechanically connected with a moving lock part of apadlock, and the touch panel interface is used for receiving user touch signals so that the Bluetooth control unit is activated; the Bluetooth control unit is in Bluetooth communication with a user mobile terminal in the activated state, and the motor driving circuit is controlled according to unlocking signals of the user mobile terminal for driving the motor to rotate; the motor is rotated fordriving the moving lock part of the padlock to move so that the unlocking of the padlock is achieved; and the battery is used for providing working power to the intelligent Bluetooth padlock control device.

The invention relates to a preparation method of rubber stripping graphene composite conductive rubber. The preparation method comprises the steps that after rubber is mixed with crystalline flake graphite, rubber graphene composite rubber blocks formed by using rubber to strip the crystalline flake graphite are used as conductive reinforcement materials, the graphene rubber blocks are evenly dispersed in a substrate of the conductive rubber through a blending composite technology, and the high-performance series graphene composite conductive rubber material with wide purposes is prepared. Thevolume resistivity can be greatly decreased through the product obtained through the preparation method, the conductivity and the mechanical property of the material are improved exponentially, and the rubber stripping graphene composite conductive rubber has the characteristics that the cost is low, the technology is simple, the efficiency is high, dispersing is uniform, and scale production canbe achieved.

The invention provides an application of a compound shown in a formula I in a water-based in-can preservative, and the novel water-based in-can preservative, which is prepared by taking the compound shown in the formula I as an active component and adding a solvent. The preservative has the advantages of being environmentally friendly, long in stable storage time, good in compatibility with a conventional water-based paint system, wide in pH value application range, free of ionization in a solvent system, excellent in inactivation capacity for common microorganisms in the water-based paint, free of generation of formaldehyde gas, capable of being ecologically decomposed after being used and the like. The basic requirements of green paint are met, and the product is suitable for industrial application.

The invention relates to a high thermal conductive and insulating material and a preparation method thereof.Bis((3,4-epoxy cyclohexyl)methyl)adipate is added into ethylene glycol, 3-tridecafluoro hexyl propylene and N-(3-hydroxyphenyl)acetamide are added, stirring is performed, then, glutaryl hydrazide and 4-tert-butyl benzene acetylene are added, and stirring is performed; then, aluminum oxide is added; stirring is performed to obtain an epoxy material; graphene and polyvinyl pyrrolidone are mixed to obtain preprocessed graphene; N-acetyl p-aminophenol is added into ethyl alcohol, then, silicon nitride is added, the preprocessed graphene is added, and stirring is performed to obtain a filler mixture; the filter mixture is added into the epoxy material; stirring is performed, then, thiocyanato-1-(2-aminophenyl)ethanone is added, stirring is performed for 3 h, a solvent is removed, and the high thermal conductive and insulating material is obtained; the high thermal conductive and insulating material is placed into a mold, and thermocuring is performed to obtain thermal conductive and insulating materials of different specifications.According to the preparation method, raw materials are wide in source, the preparation process is simple and controllable, only normal operation is needed, and industrialization is easy.

The invention relates to aryloxy polyphosphazene and provides a method for purifying the aryloxy polyphosphazene. According to the method, 'impurities' in the aryloxy polyphosphazene are removed by a solvent swelling extraction method. Inorganic substances and organic substances in the aryloxy polyphosphazene are respectively dissolved by washing, preliminary alcohol washing, absolute ethyl alcohol and acetone compounded solution washing and secondary alcohol washing, and finally the absolute ethyl alcohol and water in sizing material are removed by a vacuum kneading technology. The method for purifying the aryloxy polyphosphazene has simple steps, low cost, and short total purification time, and the obtained aryloxy polyphosphazene solves the problems of degradation and incapability of crosslinking, and can meet the requirement on industrialized application.

The invention provides a lens and an optical system with the lens. The lens comprises a mounting surface, a light incoming surface, a first light outgoing surface, a second light outgoing surface and a reflecting surface, wherein the mounting surface is used for achieving mounting of the lens, a light source cavity is formed in the center of the mounting surface and used for holding a light source, the inner surface of the light source cavity is the light incoming surface, one end of the first light outgoing surface is connected with the mounting surface, the other end of the first light outgoing surface is connected with the second light outgoing surface, and the reflecting surface is used for reflecting light rays which are emitted from the light incoming surface to the reflecting surface to the first light outgoing surface or the second light outgoing surface to exit. According to the lens, the positions and structures of the mounting surface, the light incoming surface, the first light outgoing surface, the second light outgoing surface and the reflecting surface of the lens are reasonably arranged, and therefore large-angle projection of the light rays can be achieved, the energy of the projected light rays on the large-angle edge is sufficient, and the optical performance requirement of large-angle industrial application for a large field angle can be met.

The invention relates to a system and a method for treating waste liquid generated in carbonyl-process acetic acid synthesis and application of such method. The system comprises a heavy removal unit, an esterification unit and a separation unit which are in sequential connection, wherein the heavy removal unit comprises a falling-film evaporator, the esterification unit comprises an esterification tower, and the separation unit comprises a fractionating tower. The method includes subjecting the waste liquid generated in carbonyl-process acetic acid synthesis to heavy removal; mixing an obtained light component with methyl alcohol for esterification reaction; fractionating mixed liquid to obtain methyl acetate and methyl propionate. As a novel approach for treating the waste liquid generated in carbonyl-process acetic acid synthesis, the method has the advantages that the industrial waste liquid discharged from a carbonyl-process acetic acid synthesis device is reduced greatly, and acetic acid and propanoic acid in the waste liquid are fully used for preparing methyl acetate and methyl propionate both with the purity higher than 97 wt%; waste liquid conversion rate is above 90 wt%, and the content of the acetic acid in the treated waste liquid is decreased to below 500 ppm.

The present specification provides an anti-sticking material. The anti-sticking material comprises at least one hard phase material and at least one soft phase metal, and the atomic percentage contentof the soft phase metal is 10% or above. The anti-sticking material is prepared by a physical vapor deposition method and has the relatively stronger anti-sticking performance. A hard anti-sticking coating prepared from the anti-sticking material has the relatively lower total surface energy and a relatively lower friction coefficient, and the sticking problem between the plastics, such as an epoxy molding compound (EMC-Epoxy Molding Compound), etc., and an injection mold, can be effectively solved.