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309 results about "Electrophoreses" patented technology

A kind of electrochemical process used to separate charged particles

A resource-based treatment system and method for barium sulfide slag.

ActiveCN118513352BRealize harmless resource utilizationhigh purityElectrophoresesBarium sulphide
This invention discloses a resource-based treatment system and method for barium sulfide slag. The system involves crushing and leaching the barium sulfide slag using a pretreatment unit, thereby leaching out the barium sulfide. The barium-enriched washing solution is then processed through an electrophoretic deep treatment unit to achieve high-value recovery of sulfur and barium elements, ultimately realizing the resource utilization of the barium slag. The entire process is pollution-free and has the advantages of being environmentally friendly, having high added value, high sulfur utilization efficiency, low cost, and simple operation. It is suitable for large-scale industrial applications and has broad market prospects and significant economic benefits.
Owner:NEW ENGINE (CHANGSHA) TECH DEV CO LTD

Mechanical pick-and-place device for electrophoresis slides

ActiveCN224547431UElectrophoresesSurface dust
The utility model discloses a mechanical type take -place device for electrophoresis glass slide, including base, rotary arm, telescopic arm, triangular carousel and adsorption module, purging module, clear edge module, rotary arm is vertically established in base, telescopic arm is horizontally connected in rotary arm top, and triangular carousel is fixed in telescopic arm head and can rotate 360 degrees, and three function modules are evenly distributed in triangular carousel surface, and adsorption module is equipped with negative pressure suction mouth, and purging module is equipped with rectangular air outlet, and clear edge module is equipped with opposite left cleaning brush and right cleaning brush. When using, through triangular carousel switching module, first, clean glass slide edge through clear edge module, then, blow surface dust by purging module, finally, take and place by adsorption module, realize cleaning and take -place integration. It can improve efficiency, reduce glass slide loss, guarantee high cleanliness, and adapt to different specifications glass slide and scene, and be applicable to biological experiment, medical detection and the like scene.
Owner:江苏世泰诊断技术有限公司

Efficient and environmentally friendly electrophoretic cleaning tank

This utility model discloses a high-efficiency and environmentally friendly electrophoretic cleaning tank, including a cleaning pool, a cleaning liquid tank, a pump body, a cleaning pipe connected to the water outlet of the pump body, and multiple cleaning nozzles disposed inside the cleaning pipe. A filter tray is inserted into the cleaning liquid tank, and a filter screen is provided at the bottom of the filter tray. The exhaust gas purification component consists of a purification hood fixed to the upper left end of the cleaning pool, a suction fan installed on the left side of the cleaning pool, and an activated carbon purification screen inserted into the middle of the suction fan. This high-efficiency and environmentally friendly electrophoretic cleaning tank allows the filter tray and filter screen in the cleaning liquid tank to filter the cleaning liquid, and the filtered cleaning liquid can be recycled and reused, avoiding direct discharge and waste, which conforms to the concept of environmental protection. Furthermore, combined with the exhaust gas purification component, it can purify the exhaust gas generated during the cleaning process, reducing environmental pollution.
Owner:MAOYING ELECTRONICS (SHANGHAI) CO LTD

An electrophoresis hanger with a structure to prevent workpiece from falling off

ActiveCN224280509UNo offset will occurWill not fall offElectrolysis componentsElectrophoretic coatingsElectrophoresesLocking plate
This utility model relates to the field of electrophoresis hanger technology and discloses an electrophoresis hanger with an anti-workpiece detachment structure. It includes a main hanger board, a suspension ring fixedly installed at the upper end of the main hanger board, a hanging structure installed at the front end of the main hanger board, and an anti-detachment structure installed at the front end of the main hanger board. Pushing the locking plate outwards towards the hanging hook compresses the connecting spring, and then placing the workpiece on the hanging hook. Releasing the locking plate allows the connecting spring's restoring force to bring the locking plate closer to the workpiece. The two sets of locking plates restrict the position of the workpiece. Then, activating the cylinder moves the connecting plate and the abutment rod downwards, pressing the upper surface of the workpiece and fixing it in place. This prevents the workpiece from tilting and, because the abutment rod prevents it from detaching from the hanging hook, keeps the workpiece stable during electrophoresis. A sliding component allows adjustment of the hanging hook's height.
Owner:SHANDONG RUIXIN MAGNETIC MATERIALS CO LTD

Fasteners, vehicle bodies, and vehicles

ActiveCN224396888UGuaranteed anti-corrosion performanceQuality assuranceNutsElectrophoresesMechanics
The utility model relates to vehicle technical field, specifically disclose a fastener, vehicle body and vehicle, and the fastener can be connected with the surface abutment of the connecting piece through the abutment surface, the fastener is provided with the flow channel, the flow channel penetrates the abutment surface and the outer surface except the abutment surface of fastener, the flow channel can form the outflow channel, break the continuous gap structure, interfere with the formation of capillary action, thereby reduce the infiltration and accumulation of electrophoretic paint liquid between fastener and connecting piece, and the flow channel can provide the outflow path for the liquid in the gap between fastener and connecting piece, when the liquid drainage process, liquid can be discharged outward through the flow channel, reduce the residual amount in the gap, thereby reduce the outflow amount of liquid when drying. And drying process, the flow channel provides the pressure relief channel, reduces electrophoretic paint liquid because of the pressure difference is extruded and forms the flow mark, reduces electrophoretic polishing process, guarantees the anticorrosive performance and appearance quality of vehicle body.
Owner:BEIJING CHEHEJIA AUTOMOBILE TECH CO LTD

An auxiliary trolley for installing an electrophoresis chamber for pretreatment of automotive coating.

ActiveCN224450893UElectrophoresesAutomotive paint
This utility model relates to the field of automotive painting auxiliary equipment technology, specifically an auxiliary trolley for installing an electrophoresis chamber for automotive pre-painting. It includes a power mechanism, a main frame of the trolley, kick plates, railings, limiting grooves, a railing door, a trolley positioning and locking mechanism, a patterned steel plate, and a lifting mechanism. The power mechanism is located on both sides of the main frame of the trolley. The railings are fixed along the four perimeters of the main frame, and the kick plates are fixed around the perimeter of the railings. A railing door is located on one side of the railing above one set of power mechanisms. Four trolley positioning and locking mechanisms are respectively located on the main frame of the trolley. Each railing corresponding to a positioning and locking mechanism has a limiting groove. The patterned steel plate is fixedly laid on the upper surface of the main frame of the trolley. The lifting mechanism is located inside the installation auxiliary trolley. This utility model allows for rapid movement and changes in the construction area, greatly shortening the work surface transfer time and improving installation efficiency. It is faster and more labor-saving than manual handling.
Owner:DESIGN INST NO 9 MINISTRY OF MECHINE BUILDING

Device and method for preparing graphene by electrophoretic hydrodynamic cavitation liquid exfoliation

ActiveCN115490226Bless structural defectsEasy to storeGrapheneElectrophoresesDiaphragm pump
The application discloses a device and method for preparing graphene by electrophoretic hydrodynamic cavitation liquid phase stripping, which comprises a graphite flake raw material slurry tank, a diaphragm pump, a high-pressure pump, an electrophoretic high-pressure liquid phase stripping assembly, a first cyclone separator, a second cyclone separator, a graphene slurry tank and a wastewater tank; the diaphragm pump and the high-pressure pump are installed on a pipeline between the graphite flake raw material slurry tank and an input end of the electrophoretic high-pressure liquid phase stripping assembly; the first cyclone separator and the second cyclone separator are installed on a pipeline connected to an output end of the electrophoretic high-pressure liquid phase stripping assembly; a discharge port of the first cyclone separator is communicated with a feed port of the second cyclone separator; and a discharge port of the second cyclone separator is communicated with the graphene slurry tank. Compared with a traditional chemical method, the device has the advantages of green environmental protection, less defects of graphene structure and better preservation of characteristics of graphene; and compared with a traditional physical method, the device has the advantages of high production efficiency and better dispersibility.
Owner:CHANGZHOU ENJU NEW MATERIAL TECH CO LTD

Sealing layers comprising a conductive filler for sealing microcells of electrophoretic displays

The present invention is directed to a sealing layer that comprises a poly(vinyl alcohol) homopolymer or a poly(vinyl alcohol-co-ethylene) copolymer, a polyurethane, and a conductive filler. The sealing layer shows good barrier properties to a non-polar fluid. The sealing layer can be used to seal microcells of electro-optic devices, contributing to improved good electro-optic performance of the device, especially at low temperatures.
Owner:E INK CORP

An electrophoresis module

This invention relates to an electrophoresis module in the field of electrophoresis technology, comprising a gantry frame, an immersion tank, and a conveying module. The conveying module includes a fixed frame, a cathode conductive mechanism, and a suspension assembly. The suspension assembly is mounted on the fixed frame via a chain drive assembly, and the cathode conductive mechanism is disposed within the fixed frame. This invention places the cathode conductive mechanism within the fixed frame, and the suspension assembly is electrically connected to the cathode conductive mechanism via conductive springs, avoiding direct exposure of the cathode conductive mechanism to the electrophoresis solution environment, effectively solving the problem of easy corrosion of the cathode conductive mechanism by the electrophoresis solution in existing technologies. Simultaneously, the use of U-shaped insulating blocks to arrange the conductive springs not only prevents the current from the conductive springs from breaking down the slider and other components; moreover, the design of the U-shaped insulating blocks nested on the slider enhances the overall structural stability, preventing components from loosening or falling off due to vibration or external forces during the electrophoresis process.
Owner:DONGGUAN QUANRUN HARDWARE PRODUCTS CO LTD

A trolley structure for electrophoresis apparatus

This utility model relates to the field of electrophoresis hanger technology and discloses a trolley structure for electrophoresis hangers, including a base frame. The base frame has rectangular casters distributed at its bottom, and symmetrical support frames are provided at its top. A first crossbar is installed between the two support frames, located on the side of the support frame away from the base frame. A guide rail is provided at the top of the first crossbar, and an electrophoresis hanger body is movably connected to the guide rail below the first crossbar. This utility model, through the braked casters at the bottom of the base frame and the handrails on the outside of the support frames, allows the trolley to be easily pushed to achieve multi-station transfer of hangers, replacing manual handling. With the cooperation of the guide rail and hooks, multiple sets of electrophoresis hanger bodies can be centrally and orderly suspended, with a single transfer capacity far exceeding that of manual labor, improving production cycle time and preventing hanger collisions and deformation. Combined with the ground support of the hanger's own support rod, the double structure prevents workpieces from falling off and scratching, reducing losses.
Owner:TIANJIN FENGTONG SHENGYUAN TECH CO LTD

Low-flash electrophoretic display updates using noise masks for waveform initiation

Methods to decrease the "flashiness" of updates in electrophoretic displays, especially color electrophoretic displays by incorporating spatial-temporal masks and / or phase shifts in the waveforms. The methods allow for a per pixel start time to begin a color update at each pixel with little cost in the way of processing power or energy consumption. In alternate embodiments selected images, e.g., logos, may be embedded into the transition appearance. The methods are generalizable to any electrophoretic display using waveforms and are particularly well-suited for newer multi-particle electrophoretic displays capable of producing four or more colors at each pixel.
Owner:E INK CORP

Highly water mark resistant cathodic electrophoretic emulsion and method for preparing the same

PendingCN122127887APaints for electrolytic applicationsEpoxyPolymer science
This application relates to a highly water-mark-resistant cathodic electrophoretic emulsion and its preparation method, belonging to the field of electrophoretic coating technology. The preparation method of the highly water-mark-resistant cathodic electrophoretic emulsion includes the following steps: S1. Blocking some isocyanate groups of toluene diisocyanate with a mixture of n-butanol and PEG400, and then reacting and bonding the unblocked isocyanate groups with oleamide resin and polyamine to obtain a polyamine-modified isocyanate curing agent; S2. Performing a ring-opening amination reaction between epoxy resin and a first amine compound, and then adding a second amine compound to continue the reaction to obtain an amine-modified epoxy resin; S3. Grafting the polyamine-modified isocyanate curing agent onto the amine-modified epoxy resin to obtain a cationic epoxy resin; S4. Neutralizing the cationic epoxy resin with an organic acid, adding deionized water for emulsification and dispersion to obtain the highly water-mark-resistant cathodic electrophoretic emulsion. After electrophoretic film formation, the emulsion exhibits good hydrophilicity on the wet film surface, thereby significantly reducing the formation of watermarks during rapid baking.
Owner:HUBEI LONGSHENG SIHAI NEW MATERIALS CO LTD +1

Molecular marker 1769 and its application in identifying sex-reversed pseudomale individuals in the Northeast Forest Frog.

PendingCN122303445AMuscle tissuePhysiology
This invention relates to molecular marker 1769 and its application in the identification of sex-reversed pseudomale individuals in the Northeast Forest Frog (Rana davidii), and pertains to the field of molecular markers. To address the current difficulty in identifying sex-reversed pseudomale individuals in the Northeast Forest Frog, this invention extracts the genome from the muscle tissue of the left hind limb of the Northeast Forest Frog. Using the extracted genomic DNA as a template, PCR amplification is performed using primer pairs containing the sequences shown in SEQ ID NO:1 and SEQ ID NO:2. The PCR amplification products are detected by electrophoresis on a 3% agarose gel. Phenotypic male individuals exhibiting the 1769 bp band corresponding to the nucleotide sequence shown in SEQ ID NO:3 are genetically male Northeast Forest Frogs, i.e., true males. Phenotypic male individuals lacking the band corresponding to the nucleotide sequence shown in SEQ ID NO:3 are pseudomale individuals who have undergone sex reversal from genetically female to phenotypically male. Phenotypic female individuals lacking the band corresponding to the nucleotide sequence shown in SEQ ID NO:3 are female individuals.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY +1

Body production sequence scheduling system and method

ActiveCN116258329BRealize intelligent schedulingReduce the frequency of color switchingData processing applicationsManufacturing computing systemsElectrophoresesIndustrial engineering
The present application relates to a kind of car body production sequence scheduling system and scheduling method, so that car body is after welding process, enter assembly process before, in coating process, car body production sequence adjustment is carried out, the intelligent scheduling of car body production sequence between different processes is realized, and car body of production plan overtime can be timely discharged;The order of discharge queue is adjusted by vertical warehouse scheduling system, can meet the demand of adjusting spraying order according to color in coating process without affecting assembly plan order, and the discharge queue in production can make the same color car body sort together, reduce the color switching frequency in coating spraying process, improve production efficiency;Pre-paint grouping stereoscopic warehouse is set in coating process, between pretreatment electrophoresis line and topcoat line, is sorted and adjusted by discharge queue in coating process, can reduce the situation that assembly plan is adjusted due to car body needing to be repaired from assembly process point because of coating quality defect, improve production efficiency.
Owner:FAW JIEFANG AUTOMOTIVE CO +1

System and assay for assessing microsatellite instability

PendingCN122326741AElectrophoresesCapillary electrophoresis
This invention describes systems, primers, kits, and methods for detecting microsatellite instabilities in biological samples. Signal data is received from a capillary electrophoresis genetic analysis instrument, wherein the signal data is determined based on the fluorescence of fragments comprising nucleic acid sequences amplified from the biological sample by polymerase chain reaction (PCR). The nucleic acid sequences correspond to multiple different microsatellite loci and are obtained using multiple PCR primers configured to side-join the multiple microsatellite loci of the biological sample. When the PCR primers are combined with the biological sample and subjected to PCR amplification, fluorescently labeled DNA fragments comprising the multiple microsatellite loci are generated. The microsatellite instabilities of the biological sample are classified using the fluorescence data obtained from the multiple fluorescently labeled microsatellite loci.
Owner:LIFE TECHNOLOGIES CORP

An agarose gel electrophoresis image automatic analysis method and system based on image recognition

The present application provides an agarose gel electrophoresis image automatic analysis method and system based on image recognition, wherein the method comprises: acquiring an agarose gel electrophoresis gray image, labeling the gray image, and training a deep learning model using the labeled image dataset; inputting the to-be-analyzed agarose gel electrophoresis gray image into the deep learning model, and outputting image information by the deep learning model; rotating and cutting the to-be-analyzed image according to the image information; removing the background, performing vertical gray projection integration on the image after background removal to segment the lanes in the image, and performing horizontal gray projection integration on the image after segmenting the lanes; calculating the integral value of all sample molecular weight bands detected in the single lane after segmenting the lanes, and obtaining the band purity according to the integral value; by this method and the corresponding system, the image analysis accuracy of samples with severe degradation and tailing can be significantly improved.
Owner:SUZHOU ZHONGYAN BIO-INFORMATION CO LTD

Base sequence determination device

PCT designated stageWO2026140110A1ElectrophoresesEngineering
The purpose of the present invention is to provide technology capable of accurately specifying a peak of a chromatogram that has been obtained by performing electrophoresis of a biological sample. A base sequence determination device according to the present invention fits a point spread function to a chromatogram, calculates a sigma estimation function that defines a standard deviation of the point spread function for each measurement point of the chromatogram, and estimates a correct standard deviation by searching for a peripheral region of the sigma estimation function (see fig. 13).
Owner:HITACHI HIGH TECH CORP

Electrophoretic glue maker

ActiveCN224416786UElectrophoresesFlat glass
The utility model relates to the technical fields of electrophoresis equipment more specifically, relate to a kind of electrophoresis glue maker, including base, concave glass plate, flat glass plate and the glue maker frame that can be fixed with the concave glass plate and the flat glass plate are pasted, the concave glass plate and the flat glass plate are pasted and form containing cavity, the base is equipped with the sealing portion that can block the bottom of containing cavity, both ends of the sealing portion are equipped with first magnetic member, the first magnetic member is fixedly installed on the base, glue maker frame is installed with two second magnetic members, two second magnetic members can be respectively with two first magnetic member mutually attractive.The utility model discloses electrophoresis glue maker using the mode of magnetic attraction to fix glue maker frame on base, after mutual adsorption of first magnetic member and second magnetic member, glue maker frame can avoid loosening on base and appear the condition of liquid leakage, simultaneously, glue maker frame can also be simply and conveniently disassembled from base.
Owner:WUHAN SAIWEIER BIOTECHNOLOGY CO LTD

An electrophoretic electronic paper

PendingCN122307983AElectrophoresesEngineering
This invention discloses an electrophoretic electronic paper, comprising an electrode plate, a capsule, and charged particles. There is only one electrode plate, and the capsule is disposed on one side of the electrode plate. Multiple charged particles are encapsulated within the capsule. Each charged particle includes a positively charged particle and a negatively charged particle that can combine to form a whole. Each of the positively and negatively charged particles is half of the whole, and the positively and negatively charged particles are of different colors. By applying a positive voltage to the electrode plate, the half of the particle with the negative charge will rotate towards the electrode plate, while the half with the positive charge will rotate away from the electrode plate, displaying the color of the negatively charged particle, and vice versa. Furthermore, since the positively and negatively charged particles are encapsulated as a whole, only one type of charged particle is encapsulated within the capsule, allowing for a single encapsulation per capsule. By adjusting the structure of the charged particles, the number of encapsulation steps and electrode plates is reduced, simplifying the manufacturing process and wiring.
Owner:XINLI OPTICAL RENSHOU CO LTD

Molecular marker M-513 and its application in identifying sex-reversed pseudo-male individuals in the Northeast Forest Frog.

PendingCN122326764AMuscle tissuePhysiology
This invention relates to the molecular marker M-513 and its application in the identification of sex-reversed pseudomale individuals in the Northeast Forest Frog (Rana davidii), and pertains to the field of molecular markers. To address the current difficulty in identifying sex-reversed pseudomale individuals in the Northeast Forest Frog, this invention extracts the genome from the muscle tissue of the left hind limb of the Northeast Forest Frog. Using the extracted genomic DNA as a template, PCR amplification is performed using primer pairs containing the sequences shown in SEQ ID NO:1 and SEQ ID NO:2. The PCR amplification products are detected by electrophoresis on a 3% agarose gel. Phenotypic male individuals exhibiting a 513bp band corresponding to the nucleotide sequence shown in SEQ ID NO:3 are genetically male Northeast Forest Frogs, i.e., true males. Phenotypic male individuals lacking the band corresponding to the nucleotide sequence shown in SEQ ID NO:3 are pseudomale individuals exhibiting sex reversal from genetically female to phenotypically male. Phenotypic female individuals lacking the band corresponding to the nucleotide sequence shown in SEQ ID NO:3 are female individuals.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY +1

Portable storage support for electrogalvanized steel pipes

The utility model discloses a portable storage support of electrophoresis steel pipe, including left side storage subassembly, right side storage subassembly, be provided with the auxiliary hooking subassembly on left side storage subassembly with right side storage subassembly, be provided with a plurality of groups first installation subassembly on left side storage subassembly, be provided with electrophoresis steel pipe limiting subassembly on first installation subassembly, be provided with a plurality of groups second installation subassembly on right side storage subassembly, the side of second installation subassembly is provided with a plurality of steel pipe end connecting support subassembly. The utility model has the beneficial effects that, the storage support of this technical scheme, clever structure design, the practicality is stronger, and the stable storage, use this portable storage support, realized the stable storage of electrophoresis steel pipe, effectively improved the stability of electrophoresis steel pipe storage, also improved the convenience of electrophoresis steel pipe storage.
Owner:TAICANG HUAQING AUTO PARTS CO LTD

Low-voltage driven smart dynamic dimming film and preparation method thereof

ActiveCN115933269Bavoid reunionReduce AC voltageElectrophoresesImide
The application relates to the technical field of light-adjusting films, and particularly discloses a low-voltage-driven intelligent dynamic light-adjusting film and a preparation method thereof. The low-voltage-driven intelligent dynamic light-adjusting film comprises a transparent substrate, a transparent electrode and an electrophoretic medium layer, the transparent electrode is plated on one side of the transparent substrate, the transparent electrode is bonded with the electrophoretic medium layer through an adhesive, and the components of the electrophoretic medium layer include electrophoretic particle microcapsules and a binder. The electrophoretic particle microcapsules are used for storing an internal phase, the components of the internal phase include electrophoretic particles, a charge control agent, a stabilizer and a dispersed mobile phase, and the components of the stabilizer include polyisobutylene succinimide. The polyisobutylene succinimide is used for increasing the steric hindrance of the inner surface of the capsule wall, hindering the agglomeration of the electrophoretic particles on the inner surface of the capsule wall, and increasing the light transmittance adjustment range of the light-adjusting film under low-voltage driving.
Owner:SHAOXING DIFEI NEW MATERIAL CO LTD

Method and system for determining protein expression abundance based on gastrointestinal tissue

PendingCN122265237AImage enhancementImage analysisTissue proteinProtein target
The application provides a kind of based on digestive tract tissue protein expression abundance determination method and system, applied to digestive tract tissue image processing technical field. Including: based on the PVDF membrane image after color development of digestive tract tissue acquisition in vitro, contain at least one protein standard band and the protein band of multiple target proteins;When determining the presence of electrophoresis distortion according to the band of target protein standard, construct pixel space coordinate system;The target image is obtained by angle correction and linear repair to PVDF membrane image, and the protein band corresponding to multiple target proteins in target image is in horizontal alignment state under pixel space coordinate system;Determine the development area of each target protein in target image and the irregular region of interest wrapped the protein band corresponding to multiple target proteins, and for each target protein, the expression abundance of target protein is obtained by analyzing the development area and the irregular region of interest, and the accuracy of the protein expression abundance is higher.
Owner:THE FIRST AFFILIATED HOSPITAL OF XIAN MEDICAL UNIV

Agronomic traits, InDel-labeled fingerprint and construction method of a *Dictyophora indicum* strain YZS021

This invention discloses the agronomic traits, InDel-labeled fingerprint, and construction method of the *Dictyophora indicum* strain YZS021, belonging to the field of *Dictyophora indicum* detection technology. The fingerprint is obtained by PCR amplification and electrophoresis detection using 10 pairs of InDel-labeled primers developed based on the whole genome of *Dictyophora indicum*. The InDel marker fingerprint spectrum detection of the *Dictyophora indicum* strain YZS021 of this invention is fast, accurate, and reproducible, and can specifically identify the strain, enabling precise identification of the fungal species and protection of intellectual property rights. In addition, this invention also discloses the agronomic traits of the *Dictyophora indicum* strain YZS021. The *Dictyophora indicum* strain 'YZS021' has a long and thick stipe, a high edible ratio, and good commercial characteristics. It can stably produce fruiting under both forest and facility cultivation modes, adapting to different cultivation scenarios and significantly improving planting efficiency. The above agronomic traits have consistency and stability, and can stably cultivate and obtain asexual reproduction lines with the above traits in both forest and facility fruiting rooms.
Owner:GUIZHOU CROP VARIETIES RESOURCE INST +1

Extrusion method for recycled aluminium alloy profiles for anodizing and electrophoretic painting

ActiveCN122099095AExtrusion diesExtrusion control devicesAnodizingElectrophoreses
The present application relates to the technical field of metal pressure processing, and discloses an extrusion method for recycled aluminum alloy profiles for anodic oxidation and electrophoretic spraying, which comprises the following steps: adding strontium and boron into recycled aluminum melt, controlling the mass ratio with iron, forming an interface enrichment layer with shear sensitivity on the surface of the iron-containing impurity phase by using strontium; establishing an ingot axial temperature gradient, and controlling the average equivalent strain rate in the extrusion process to be maintained in the critical rheological interval, and physically activating the interface enrichment layer to produce shear thinning; and implementing online gradient freezing quenching after the profile leaves the die. Through the synergy of the critical strain rate and the interface modification, the present application builds an in-situ lubricating layer between the hard impurity phase and the aluminum matrix, eliminates the microscopic tearing caused by the rheological mismatch, and solves the color difference problem of the recycled aluminum surface treatment.
Owner:HUNAN QIANYUAN ALUMINUM CO LTD

Bisphenol a epoxy-polyether amine hybrid matte electrophoretic paint emulsion and preparation method thereof

PendingCN122278302APolymer scienceToluene diisocyanate
This application relates to the field of waterborne cathodic electrophoretic coating technology, specifically disclosing a bisphenol A epoxy-polyetheramine composite matte electrophoretic emulsion and its preparation method. The bisphenol A epoxy-polyetheramine composite matte electrophoretic emulsion comprises the following raw materials in parts by weight: 30-40 parts E-51 epoxy resin, 8-10 parts bisphenol A, 9-11 parts bisphenol A polyoxyethylene ether, 0.08-0.12 parts benzylamine, 2.5-3.5 parts methylethanolamine, 0.8-1.2 parts diethylene glycolamine, and 2.5-3.5 parts ketimine. This application uses E-51 epoxy resin, bisphenol A, and bisphenol A polyoxyethylene ether as the matrix skeleton, and obtains an epoxy equivalent prepolymer after chain extension catalyzed by benzylamine. At the same time, toluene diisocyanate is reacted with diethylene glycol butyl ether, diethylene glycol ethyl ether, and trimethylolpropane polyoxyethylene ether to prepare a blocked crosslinking agent, thereby achieving a uniform internal matting effect without the addition of external matting powder.
Owner:ANHUI JINGTU NEW MATERIALS CO LTD