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209 results about "Adsorptive membrane" patented technology
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Laminating device and laminating method thereof
Owner:USUN TECH CO LTD
Adsorptive membranes for recovery of lithium and solar-driven recycling of water from geothermal brines
Adsorptive membranes with sponge-like structures for direct recovery of lithium from geothermal brines and recycling of water from geothermal evaporation ponds are disclosed. The membrane surfaces are functionalized with task-specific chemicals capable of selective separation of lithium through host-guest complexation mechanism. The sponge-like structure provides high surface area resulting in an enhanced lithium adsorption capacity. The technology disclosed here aims to reduce the time required for lithium enrichment by evaporative concentration of geothermal brines and address the water loss problem thereof through enhanced solar-driven recycling of water.
Owner:UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION
Acid-resistant noble metal ion adsorption film and preparation method therefor
PCT designated stageWO2025166989A1Semi-permeable membranesLiquid separationSeed crystalMaterials science
Disclosed in the present invention are an acid-resistant noble metal ion adsorption film and a preparation method therefor. The preparation method comprises: a) pretreatment of a base film: firstly, cleaning and drying a silicon carbide substrate to obtain a clean film; then performing oxidation treatment on the clean film to obtain a micro-oxidation film; and finally, placing the micro-oxidation film in a strong acid solution for acidification treatment, to obtain a base film modified with a hydroxyl functional group; b) the growth of an MOF seed crystal: placing the obtained base film modified with the hydroxyl functional group into a seed crystal growth solution, and reacting at 110-130°C for 12-24 hours to obtain a film loaded with the MOF seed crystal; and c) MOF secondary growth: placing the prepared film loaded with the MOF seed crystal into a secondary growth solution, and reacting at 110-130°C for 20-30 hours to obtain the acid-resistant noble metal ion adsorption film. The adsorption film prepared according to the present invention has good acid resistance, and can achieve efficient and stable recovery of rare noble metals in a strong acid environment.
Owner:SHANGHAI UNIV OF ENG SCI
Titanium-based lithium ion porous adsorption membrane material, self-assembly preparation method and application thereof
ActiveCN119771176BSemi-permeable membranesIon-exchange process apparatusPolymer dissolutionAdsorptive membrane
The application belongs to the technical field of porous adsorption membrane materials, and discloses a titanium lithium ion porous adsorption membrane material and a self-assembly preparation method and application thereof. The preparation method comprises the following steps: dissolving a film-forming polymer in a dispersion liquid containing MXene nanosheets to form a uniform precursor liquid; the MXene nanosheet is a carbide, nitride or carbonitride of a transition metal with a single-layer structure; dispersing a titanium lithium composite oxide in the precursor liquid to form a casting solution; coating the casting solution on a support, and then performing phase inversion by using pure water to obtain a matrix film; placing the matrix film in a lithium elution liquid for immersion washing, replacing lithium ions in the matrix film, and causing a self-assembly reaction of the titanium lithium composite oxide in the matrix film, so that the titanium lithium ion porous adsorption membrane material is obtained. The application innovatively introduces MXene nanosheets and a polysulfone matrix film, fixes the MXene nanosheets on the polysulfone matrix film as an in-situ growth substrate of the titanium lithium composite oxide, and the obtained membrane material has a high adsorption capacity.
Owner:SOUTHWEST JIAOTONG UNIV
A membrane adsorption device
The present invention discloses a diaphragm adsorption device, comprising a mounting seat, a shaping outer sleeve, a shaping inner sleeve, and a suction cup for adsorbing diaphragms. The mounting seat comprises a support plate and an air pipe fixedly connected to the upper side of the support plate. The shaping outer sleeve comprises a connecting seat and an extrusion sleeve. The connecting seat is provided with a mounting port, a sliding sleeve fixedly connected to the mounting port. The shaping inner sleeve comprises a pipe portion and a shaping portion. The pipe portion is connected to the air pipe, the pipe portion passes through the sliding sleeve and is slidably connected to the sliding sleeve. The lower side of the shaping portion forms an extrusion edge arranged around the suction cup. The height of the lower side of the extrusion edge is higher than the height of the lower side of the suction cup. The shaping portion is connected to the connecting seat via a spring. A first slide groove is formed in the pipe portion. A ejector pin is slidably connected in the first slide groove. The ejector pin is provided with an air passage running through the upper and lower ends of the ejector pin. The lower end of the ejector pin is located on the lower side of the suction cup. The present invention provides a diaphragm adsorption device, in which the diaphragm is not easily offset from the bottle mouth.
Owner:HANGZHOU ZHONGYA MACHINERY CO LTD
Photovoltaic module PET film and bus bar laying equipment
The utility model discloses equipment for laying a PET (Polyethylene Terephthalate) film and a bus bar of a photovoltaic module. The assembly line comprises an assembly conveying line, a restoration module, a PET film feeding device arranged on one side of the assembly conveying line, a bus bar feeding device arranged on the other opposite side of the assembly conveying line, and an adhesive tape feeding device arranged at the conveying front end of the assembly conveying line. The carrying and welding device is used for carrying and pasting the bus bar and the adhesive tape on the assembly and welding the bus bar on the assembly; the carrying and welding device comprises a first material taking and pasting mechanism and a second material taking and pasting mechanism, the first material taking and pasting mechanism comprises a PET film adsorption assembly for adsorbing a PET film and a bus bar adsorption assembly for adsorbing a bus bar, and welding modules for welding the bus bar to the assemblies are arranged at the two ends of the bus bar adsorption assembly. According to the utility model, not only is the problem of deviation of the PET film and the bus bar solved, but also the space of equipment is saved, and the production efficiency of laying and welding is improved.
Owner:SUZHOU SHENGCHENG SOLAR EQUIP CO LTD
Preparation method and application of PVDF / MOFs / GO composite membrane
The invention mainly relates to the technical field of composite material preparation, in particular to a preparation method and application of a PVDF / MOFs / GO composite membrane, and the preparation method comprises the following steps: cleaning and drying a PVDF membrane for carboxylation treatment; then immersing the PVDF membrane into a sodium hydroxide solution to obtain a carboxylated PVDF membrane; adding GO into deionized water to obtain a solution A; co (NO3) 2.6 H2O is dissolved, and a solution B is obtained; adding the solution A into the solution B, and stirring to obtain a Co < 2 + > / GO mixed solution; and filtering to the surface of the carboxylated PVDF membrane in vacuum, and immersing into a 2-methylimidazole solution to obtain the PVDF / MOFs / GO composite membrane. The compact and uniform MOFs composite material layer rapidly grows on the surface of the polyvinylidene fluoride membrane to prepare the MOFs composite membrane, and the MOFs composite membrane is used as an adsorption membrane to adsorb and separate organic matters or natural products in water, so that wastewater purification and organic matter extraction are realized.
Owner:HEZE BRANCH QILU UNIV OF TECH(SHANDONG ACAD OF SCI
Nitrogen-containing boric acid ester-nano hybrid composite anti-wear additive as well as preparation method and application thereof
The invention provides a nitrogen-containing boric acid ester-nano hybrid composite anti-wear additive as well as a preparation method and application thereof, and belongs to the technical field of lubricating oil additives. The nitrogen-containing boric acid ester, the functionalized nanoparticles, the ionic liquid, the auxiliary anti-wear agent and the dispersion stabilizer are subjected to nano-scale hybrid compounding, and the nitrogen-containing boric acid ester, the functionalized nanoparticles, the ionic liquid, the auxiliary anti-wear agent and the dispersion stabilizer have a synergistic effect on four aspects of physical bearing, chemical adsorption, interface modification and extreme pressure enhancement; a multi-synergistic lubrication and protection system of an adsorption film, a physical isolation layer, an extreme pressure reaction layer and rolling lubrication microspheres is constructed, efficient wear resistance, friction reduction, bearing and stability improvement are jointly achieved, and the lubricating oil is suitable for insoluble base oil.
Owner:GUANGZHOU PEGARUN SPECIAL LUBRICANT CO LTD
Preparation method and application of TBBPA selective adsorption film
PendingCN120695794AWater treatment parameter controlOther chemical processesHigh concentrationAdsorptive membrane
The invention provides a preparation method of a TBBPA selective adsorption film. The method comprises the following steps: 1) synthesizing mesoporous silica nanoparticles; the invention discloses a TBBPA selective adsorption membrane and a preparation method thereof, the TBBPA selective adsorption membrane comprises the following steps of 1, TBBPA preparation, 2, base membrane synthesis and 3, blotting membrane synthesis, the TBBPA selective adsorption membrane is suitable for selective adsorption and separation of TBBPA from polluted water, through the design of blotting sites, TBBPA can be selectively adsorbed from analogues, and the TBBPA selective adsorption membrane has good application prospects in the field of selective separation of high-concentration TBBPA pollutants.
Owner:HOHAI UNIV
Preparation system and method of acidizing corrosion inhibitor
The invention relates to the technical field of preparation of acidizing corrosion inhibitors, and discloses a preparation system and method of an acidizing corrosion inhibitor, and the system comprises a raw material treatment module used for pretreating, metering and mixing a plurality of organic amine and aldehyde raw materials; the reaction synthesis module performs condensation reaction at preset temperature and pressure, and the reaction temperature is kept constant through the heat-conducting oil circulation system; the product separation and purification module comprises a centrifugal separator and a membrane filtration device and is used for realizing preliminary separation, washing and purification of a product; the performance detection module is used for detecting the corrosion inhibition rate, the iron ion concentration, the dynamic viscosity, the cloud point and the adsorption membrane potential on line; the central control module judges the product performance according to the detection result, and performs feedback regulation on the raw material ratio, the reaction temperature, the reaction duration or the purification pressure when the product does not reach the standard, so that the production process optimization and the product performance stability are realized, and the intelligent regulation and control and the performance stability in the production process of the acidizing corrosion inhibitor are effectively realized.
Owner:CHIFENG AOLONG CHEM CO LTD
In-situ chemical imaging method and system applied to soil drilosphere
PCT designated stageWO2026129756A1Material analysis by observing effect on chemical indicatorFluorescence/phosphorescenceAdsorptive membraneSoil science
An in-situ chemical imaging method and system applied to a soil drilosphere. The method comprises: S1, preparing an earthworm burrowing box and filling same with soil; S2, selecting appropriate earthworms and placing same in the soil for culturing, such that sufficient earthworm pores are generated in the soil; S3, sequentially providing a filter membrane (9), a DGT adsorption membrane (107) and a pH planar optode membrane (106) on a soil profile of a drilosphere which needs to be imaged, such that the three membranes can all be fully attached to the soil profile of the drilosphere, applying ultraviolet light under dark conditions, culturing for a period of time, and capturing a fluorescence signal emitted by the pH planar optode membrane (106), so as to obtain a pH fluorescence image; S4, performing color development on the DGT adsorption membrane (107); and S5, capturing a color-developed image of the DGT adsorption membrane (107) to obtain a DGT image, and performing picture processing on the DGT image and the pH fluorescence image to obtain spatial distribution images of available phosphorus and pH in the drilosphere. The problem of difficulty in in-situ detection of a biogeochemical cycling process driven by earthworm activities in soil is solved.
Owner:ZHEJIANG UNIV
Grinding and polishing equipment
The utility model relates to grinding and polishing equipment which comprises a frame body, a suction cup used for containing a membrane and a vacuumizing assembly used for being connected with the suction cup and enabling the suction cup to generate adsorption force. The vacuumizing assembly is fixedly installed on the frame body, an installation plate is horizontally and fixedly installed on the top of the frame body, and the suction cup is detachably installed on the installation plate. The multiple suction cups used for containing the diaphragms and the vacuumizing assembly used for treating the multiple diaphragms at a time and enabling the suction cups to generate adsorption force are arranged, the suction cups can adsorb the diaphragms, the diaphragms are kept stable in shape and position in the grinding process, and the problem that due to shaking, the surface quality of the ground diaphragms is inconsistent is solved; and meanwhile, the membrane processing efficiency of the equipment is improved.
Owner:SHANGHAI HAIWEI IND CONTROL CO LTD
Treatment system and treatment method for synergistically removing odor substances and new pollutant PFAS in water
PendingCN121948768AImprove mass transfer efficiencyincrease profitSludge treatment by de-watering/drying/thickeningWater contaminantsAdsorptive membraneEnvironmental engineering
The invention discloses a treatment system for synergistically removing odor substances and a new pollutant PFAS in water and a treatment method thereof. The treatment system comprises a pre-oxidation unit, an algae removal, adsorption and clarification unit, a membrane separation and concentration unit and a destruction unit which are connected in sequence. The pre-oxidation unit is provided with an oxidation pond with a transverse reciprocating dynamic aeration assembly, so that the ozone mass transfer efficiency is improved. The algae removal, adsorption and clarification unit enables a suspended carbon mud bed to periodically expand and contract through a pulse generator so as to strengthen adsorption. The membrane separation and concentration unit adopts a modified polyether sulfone conical-end filtering membrane and is matched with an online cleaning mechanism, so that PFAS is efficiently intercepted, and secondary pollution is avoided. The destroying unit is used for carrying out synergetic high-temperature incineration on the membrane separation concentrated water and the waste carbon mud, and PFAS is thoroughly decomposed at the temperature higher than or equal to 900 DEG C; by optimizing ozone aeration, pulse adsorption, fluorine-free membrane separation and collaborative incineration, efficient collaborative removal of odor substances and new pollutant PFAS and harmless treatment of waste are achieved, the system integration degree is high, the treatment effect is good, and the risk of secondary pollution is avoided.
Owner:太通建设有限公司
Optical vehicle-mounted camera infrared window processing device
The utility model relates to the technical field of infrared window processing, in particular to an optical vehicle-mounted camera infrared window processing device which comprises a bottom plate and a back adhesive film positioning block arranged on the bottom plate, and a product positioning plate is arranged above the back adhesive film positioning block. The product positioning plate is provided with an opening for exposing the upper surface of the gum film positioning block, and is provided with a PE (polyethylene) film adsorption plate capable of pressing down to fit a product. According to the utility model, the back adhesive film positioning block exposed out of the product positioning plate is used for positioning the back adhesive film, then the product positioning block is used for limiting the position of a product, and after the PE film adsorption plate adsorbs the PE film, the air cylinder is pressed downwards until the PE film is attached to the product, so that high-precision attachment of the back film and the PE film of the optical-grade vehicle-mounted camera infrared window is realized; through the technology of the utility model, the precision requirement of a product is ensured, the production efficiency is improved, and the manufacturing cost of an enterprise is reduced.
Owner:FUJIAN FULAN OPTICAL CO LTD
Coal slime sedimentation treatment device
The invention discloses a coal slime sedimentation treatment device, belongs to the technical field of coal slime sedimentation, and aims to solve the problem of low interception efficiency of fine coal slime caused by extremely small gravity of fine coal slime particles and difficulty in effectively capturing and settling the fine coal slime particles to the bottom of a tank. The coal slime sedimentation treatment device comprises a horizontal flow sedimentation tank, a lifting part is fixedly mounted on one side of the horizontal flow sedimentation tank, and a fixed seat is mounted on one side of the lifting part; according to the device, a high-frequency alternating electromagnetic field is used for destroying a double-electric-layer structure of fine coal slime particles and breaking a water molecule adsorption film to enable the fine coal slime particles to be in a to-be-agglomerated state, the driving part drives the output part to rotate, and therefore the fine coal slime particles can be agglomerated in the to-be-agglomerated state; and then the four electromagnetic parts are driven to synchronously rotate, so that fine coal slime particles in a to-be-agglomerated state are more easily collided, adsorbed and quickly agglomerated to form floccules with larger particle sizes and stronger gravity under the dual effects of electric field force and mechanical stirring force, and the settling speed is greatly accelerated.
Owner:CHINA COAL DATONG ENERGY CO LTD
Outdoor portable emergency intelligent water purification cup
PendingCN121823894AImprove portabilitySimple and efficient operationTreatment involving filtrationWater/sewage treatment bu osmosis/dialysisAdsorptive membraneEnvironmental engineering
Owner:THE FIFTH MIDDLE SCHOOL OF HUIYANG DISTRICT HUIZHOU CITY
Adsorption type hemodialyzer
The application belongs to the technical field of medical devices, and provides an adsorption type hemodialysis device, which comprises an outer cylinder assembly, an adsorption dialysis assembly is clamped and matched in the inner part of the outer cylinder assembly; the adsorption dialysis assembly comprises a dialysis piece, an adsorption piece which is rotationally matched at the end of the dialysis piece, and a spoiler which is slidingly matched on the dialysis piece. The adsorption type hemodialysis device solves the technical problem that the blood adsorption structure in the inner part is mostly fixedly connected in the inner part of the adsorption type hemodialysis device through a specific structure, which leads to low diffusion efficiency of target substances in blood when the blood is adsorbed, reduces the adsorption effect in the later period, and simultaneously affects the dialysis effect in the later period. The application can make the blood contact with the adsorption membrane more uniformly, avoid local saturation, periodically promote the diffusion of target substances in the blood, improve the adsorption rate, and increase the preliminary adsorption effect of the blood in the inner part of the adsorption piece.
Owner:JIANGSU LENGTHEN LIFE SCI & TECH CO LTD +1
Ag etching solution and preparation method and application thereof
PendingCN121022411ASemiconductor/solid-state device manufacturingSurface treatment compositionsAdsorptive membraneActive agent
The invention relates to an Ag etching solution and a preparation method and application thereof, and the Ag etching solution comprises the following components in parts by weight: 8-20 parts of organic carboxylic acid; 40-80 parts of inorganic acid; 0.1 to 2 parts of a surfactant; 0.1-8 parts of a chelating agent; 0.01 to 1 part of a polyether compound; 0.01 to 0.1 part of an inorganic-organic hybrid polymer; and 30-70 parts of ultrapure water. The polyether compound and the inorganic-organic hybrid polymer are adopted to form a composite adsorption film, so that the overall protection effect is enhanced.
Owner:ZHEJIANG AUFIRST MATERIAL TECH CO LTD
Release method for large back cavity with deep groove on front surface
PendingCN121426048ADecorative surface effectsChemical vapor deposition coatingAdsorptive membraneDry etching
The invention provides a method for releasing a large back cavity with a deep groove on the front surface, which comprises the following steps of: providing a substrate, and forming the deep groove on the front surface of the substrate; attaching an adsorption film to the front surface of the substrate in a vacuum environment; and forming a back cavity on the back surface of the substrate by adopting a dry etching process. According to the method, the adsorption film is attached to the substrate in the vacuum environment, air in the deep groove can be fully exhausted, no redundant air is left between the adsorption film and the front deep groove, the problem of swelling of the adsorption film is solved, and then the common process defects of He leakage, scorching, lateral erosion and the like are overcome; and the process stability is improved, and the process compatibility is good.
Owner:SHANGHAI IND U TECH RES INST
Membrane separation equipment
The utility model relates to the technical field of receivers, and provides diaphragm separation equipment, which comprises a material storage mechanism and a material taking mechanism, the material storage mechanism comprises a material carrying table, a material storage box, a material screening plate and a placing frame for placing the material storage box, the placing frame is arranged on the material carrying table, the material screening plate is arranged on the top surface of the material storage box, and the material taking mechanism is arranged on the material carrying table. At least one material storage groove is formed in the material storage box, and a material screening threaded opening opposite to a groove opening of the material storage groove is formed in the material screening plate. The material taking mechanism comprises a supporting frame for erecting the material taking mechanism, a suction cup unit, a first driving unit for driving the suction cup unit to ascend and descend and a second driving unit for driving the first driving unit to horizontally move towards or away from the material storage mechanism. The suction cup unit vibrates up and down at the screening threaded opening after adsorbing the membranes, redundant membranes are peeled off by means of contact between the threaded structure of the screening threaded opening and the edges of the membranes, the vacuum suction nozzle can only adsorb one membrane at a time, automatic membrane separation is achieved, the labor cost is saved, and the production efficiency is improved.
Owner:XIAMEN SENNER TECH CO LTD
Re-pasting film stripping mechanism
The utility model provides a re-sticking film stripping mechanism which comprises a driving part and a first film tearing part, and the first film tearing part is installed on the driving part and used for tearing a film of a film sticking object. The demolding device further comprises a demolding component, the demolding component is connected with the driving component and can move in the film separation direction, and an adsorption device capable of adsorbing a film is arranged on the demolding component. The mechanism is convenient for a manipulator to grab the protective film subsequently, so that the automatic secondary utilization of the protective film becomes possible.
Owner:CHENGDU UNION BIG DATA TECH CO LTD
Coal mine gas refined extraction system and using method
The invention provides a coal mine gas fine extraction system and a using method, and relates to the technical field of gas extraction treatment. The problems that the extraction rate of low-concentration gas is low, the impurity content is high, and the mixing precision is poor are solved. The system comprises a tree-shaped extraction pipe network, a spiral separation pipe, a washing device, a condenser, an adsorption tower, a membrane separation device and a dynamic and static coupling mixing system which are communicated in sequence. Directional drilling-hydraulic fracturing permeability increasing is adopted, and the low-concentration gas recovery rate is larger than or equal to 70%; multistage centrifugation, water washing, adsorption and membrane separation are combined, the removal rate of dust, H2S and CO2 is larger than or equal to 90%, and methane is purified to be larger than or equal to 95%; the static and dynamic mixing cavity is controlled by fuzzy PID closed loop, and the mixing proportion error is less than or equal to + / -1.5%. The system is modularized, explosion-proof, low in consumption and intelligent, and safe and efficient extraction and high-quality utilization of coal mine gas are achieved.
Owner:SHANDONG UNIV OF SCI & TECH
Turnover mechanism of ultrasonic stripping machine
The utility model provides a turnover mechanism of an ultrasonic stripping machine. The turnover mechanism comprises a bearing structure used for bearing an iron ring jig and two rotary driving structures which are clamped at the two ends of the bearing structure respectively and used for driving the bearing structure to turn over. The bearing structure comprises a bearing plate, a gas circuit arranged in the bearing plate and a plurality of silica gel suction cups arranged on the bearing plate and used for adsorbing the UV film from the back face of the iron ring jig. All the silica gel suction cups are communicated with the air path, and an air suction opening of the air path extends to the surface of the bearing plate. The UV film on the iron ring jig is adsorbed through a negative pressure adsorption structure composed of the silica gel suction cup and the air path, the UV film is prevented from being sucked up when frame waste materials are sucked away in the edge removing process, and the edge removing effect is ensured.
Owner:CHENG DU HUA ZHUO BAN DAO TI YOU XIAN GONG SI
Production process and production equipment for solvent recovery
The invention discloses a production process and production equipment for solvent recovery, the production equipment comprises a treatment case, the treatment case is a cavity shell with a rectangular structure, one side of the treatment case is provided with a waste liquid storage tank, and the waste liquid storage tank is connected with the treatment case through a feeding control pump; a multi-stage filter membrane treatment structure and a pretreatment structure are arranged in the treatment box body in a linear array; the invention relates to the technical field of chemical production, through integrated module design and intelligent process control, a'buffering-filtering-complex breaking-adsorption-membrane separation 'short-flow process is constructed, efficient recovery of a PVC waste liquid solvent is realized, the deployment cost is reduced due to overall skid-mounting of equipment, and the service life of a membrane is greatly prolonged due to dynamic pressure difference control; the preposed chlorination-resin unit reduces the membrane pollution load by more than 90%, the flow linkage dosing system improves the medicament utilization rate by 30%, and the problems of high energy consumption of a rectification method and low efficiency-cost ratio of membrane separation are comprehensively solved.
Owner:NINGXIA JIUXING ENVIRONMENTAL PROTECTION TECH CO LTD
Mylar film taking anti-sticking mechanism
The utility model relates to the technical field of battery manufacturing, and discloses an anti-sticking mechanism for taking a Mylar film, which comprises a retention adsorption assembly for horizontally positioning and adsorbing one end of the Mylar film; the bending adsorption assembly is rotationally connected with the retention adsorption assembly and is used for rotating after horizontally adsorbing the other end of the Mylar film, so that the redundant Mylar film falls off in the bending process; the driving assembly is connected with the retention adsorption assembly, the output end of the driving assembly is connected with the bending adsorption assembly, and the driving assembly is used for driving the bending adsorption assembly to rotate. One end of the Mylar membrane is positioned through the retention adsorption assembly, and the driving assembly drives the bending adsorption assembly to drive the other end of the Mylar membrane to bend, so that a good separation effect can be achieved, and due to the fact that only the other end of the Mylar membrane is bent, large-area wrinkling and unevenness of the taken-out Mylar membrane are effectively avoided, and the Mylar membrane is smoother; and separation of the Mylar membrane is realized without an additional separation structure, so that the Mylar membrane is effectively prevented from being stained by redundant parts. Therefore, the practicability is higher.
Owner:HUIZHOU LONGHE TECHNOLOGY CO LTD
A support adsorption platform and laminating machine
The application provides a supporting and adsorbing platform and a laminating machine. The supporting and adsorbing platform comprises a supporting frame, an adsorbing plate and an adsorbing power unit. A clearance groove is arranged in the middle of the adsorbing plate, and a plurality of adsorbing holes are arranged in the peripheral annular array of the clearance groove. When the plurality of adsorbing holes adsorb the edges of the film strip, the clearance groove can avoid the middle of the film strip, so as to avoid the hard contact between the film strip and the adsorbing plate and cause the unevenness of the film strip, help to improve the flatness of the adsorbing plate adsorbing the film strip, and further improve the flatness of the film sheet on the film strip, the cutting precision of the film sheet and the laminating precision. The film strip can be guided onto the adsorbing plate through the feeding guide roller, and the film strip can be guided out through the discharging guide roller. The adsorbing plate is driven by the adsorbing power unit to reciprocate on the supporting frame, which helps to realize the peeling of the film sheet and the film strip. The laminating machine can improve the feeding flatness of the film sheet, and further improve the product quality of the multiple film sheets after laminating and forming.
Owner:SHENZHEN JINMINJIANG RIVER MECHANICAL & ELECTRICAL EQUIP
Corrosion inhibitor coated GO-Al-based composite coating resistant to pitting corrosion and preparation method and application of corrosion inhibitor coated GO-Al-based composite coating
The invention belongs to the technical field of metal material surface corrosion prevention, and discloses a pitting-resistant corrosion inhibitor coated GO-Al-based composite coating as well as a preparation method and application of the pitting-resistant corrosion inhibitor coated GO-Al-based composite coating. The method comprises the following steps: adding aluminum powder into a GO aqueous solution and a corrosion inhibitor aqueous solution for ultrasonic dispersion; carrying out static settlement, filtering, washing and vacuum drying to obtain modified aluminum powder, and mixing the modified aluminum powder with alumina powder to obtain mixed powder; under the pressure of 0.6-0.8 MPa, carrying out sand blasting treatment on the magnesium alloy matrix by adopting silicon carbide to enable the surface roughness of the magnesium alloy matrix to be 1-3 microns, so as to obtain a pretreated magnesium alloy matrix; and the mixed powder is sprayed on the surface of the pretreated magnesium alloy matrix, and the corrosion inhibitor coated GO-Al-based composite coating is prepared. The composite coating releases a corrosion inhibitor at the crack defect position, a hydrophobic adsorption film is generated, invasion of a corrosion medium and pitting corrosion of the Al coating can be effectively blocked through cooperation with graphene oxide, the corrosion resistance of the Al-based coating is enhanced, and the composite coating can be applied to the field of metal surface corrosion resistance.
Owner:GUANGDONG UNIV OF TECH
PAN-based electrostatic spinning uranium adsorption film as well as preparation method and application thereof
ActiveCN121372368AOther chemical processesAlkali metal oxides/hydroxidesAdsorptive membraneAcetic acid
The invention discloses a PAN-based electrostatic spinning uranium adsorption film as well as a preparation method and application thereof, and relates to the technical field of uranium resource recovery and wastewater treatment such as seawater / salt lake brine and uranium mine wastewater. The preparation method comprises the following steps: respectively filling a PAN-based spinning solution and two monomer solutions into three injectors of electrostatic spinning equipment, and then carrying out electrostatic spinning to enable the two monomer solutions and the PAN-based spinning solution to be subjected to synergistic spinning to obtain a primary electrostatic spinning membrane; the two monomer solutions are an amino monomer solution and an aldehyde monomer solution, and the molar ratio of an amino monomer to an aldehyde monomer is 1: 1; and spraying the surface of the primary electrostatic spinning film wet by acetic acid, and then carrying out hot pressing treatment to obtain the PAN-based electrostatic spinning uranium adsorption film. According to the preparation method, a PAN-based spinning solution and two monomer solutions are adopted for synergic spinning, so that nano-pore channels exist in the PAN-based electrostatic spinning uranium adsorption film, and a COF-like adsorbent is uniformly loaded on the surface of nano-fibers.
Owner:INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES
Organic water-based aluminum alloy cutting fluid containing siloxane ketone and preparation method
The invention discloses organic water-based aluminum alloy cutting fluid containing siloxane ketone and a preparation method, and belongs to the technical field of metal cutting fluid. According to the organic water-based aluminum alloy cutting fluid containing the siloxane ketone, the siloxane ketone can well form an extremely strong ALO-Si bond with an aluminum alloy, so that the siloxane ketone can be firmly adsorbed on the surface of the alloy, and the siloxane ketone can also form an extremely strong adsorption film with the surface of the aluminum alloy, so that an anti-rust film layer is formed on the surface of a metal; and meanwhile, a film layer covering the surface of the metal is more uniform and compact, so that other antioxidants and corrosion inhibitors in the film can play a long-acting role, and a better protection role can be brought to the metal.
Owner:NANJING QUXINGYI TECH CO LTD
Semiconductor CMP adsorption film and preparation method thereof
The invention discloses a semiconductor CMP (chemical mechanical polishing) adsorption film and a preparation method thereof, the adsorption film is formed by crosslinking and curing liquid silicone rubber through a platinum-catalyzed hydrosilylation reaction, and the liquid silicone rubber comprises vinyl-containing silane and hydrogen-containing silane. The hardness of the adsorption film is Shore A 40-44, the tensile strength is larger than or equal to 6.5 MPa, the elongation at break is larger than or equal to 600%, the extractable matter content is smaller than 5 ppm, and the adsorption film has excellent mechanical performance and chemical stability. The adsorption surface is provided with at least two annular grooves which are arranged in a step shape, the thickness of the annular grooves is 1.20-1.32 mm, the outer diameter of the annular grooves is 298-300 mm, and the annular grooves are matched with the size of a standard wafer. The preparation method comprises the steps of raw material preparation, injection molding, thermocuring, surface roughness detection, cleaning treatment and quality detection. By strictly controlling the raw materials and the process, coating-free design, low pollution, high consistency and long service life are achieved, and the method is suitable for the semiconductor CMP process.
Owner:SUZHOU AOKE RUBBER TECH CO LTD