1823results about "Electrophoretic coatings" patented technology

Disclosed is a method for preparing a heterogeneous metal composite structure for medical implantation, including the steps of: step 1, preparing titanium alloy powder into a porous skeleton according to different printing strategies; step 2, filling magnesium after being melted into pores of the porous skeleton; and step 3, cooling a titanium-magnesium interpenetrating phase composite structure prepared in step 2 to room temperature, and covering a surface of the titanium-magnesium interpenetrating phase composite structure with a hydroxyapatite coating. In the present disclosure, a porous lattice dot-array structure of titanium alloy is used as a skeleton, and the skeleton pore is filled by pressureless infiltration of magnesium or hot isostatic pressure.

Provided is a method for preparing a collagen membrane for guided tissue regeneration. By utilizing the electrochemical deposition technology and using collagen as the starting material, the method achieves the electrochemical deposition in a low-temperature environment using a direct-current source, and thus, in a constant-voltage output mode, prepares a collagen membrane of an asymmetric structure (with one dense surface and one loose and porous surface) in one step at a high voltage. Also, by means of asymmetric cross-linking, the membrane may be asymmetrically degraded in vivo, thus promoting the rapid repair of a wound while keeping a stable shielding effect on the wound. The method features ease to operate, efficiency, environment conservation, and good scalability. The obtained collagen membrane possesses excellent mechanical properties and uniform overall performance. The area of the collagen membrane of the asymmetric structure prepared by the preparation method is equal to that of the electrode plate, such that scale-up production can be achieved by using an electrode plate with a greater area, thereby improving productivity.

Methods and tools for securing components for a treatment process and methods for coating aerospace components using an electrically driven aqueous process are provided. A method for securing a component for a treatment process includes obtaining a tool for holding the component during the treatment process. The tool includes a cantilevered slab. The method includes associating the tool with the support bar and securing the component to the tool such that the cantilevered slab is in contact with the component.

The utility model relates to the technical field of automobile part processing, in particular to automobile part surface pretreatment equipment before electrophoresis, which comprises a degreasing tank, support columns and a bearing disc, support plates are arranged at two ends of the front side of the degreasing tank, and a reciprocating screw rod and a slide rail are respectively arranged between the support plates from top to bottom. A motor is arranged on one side of the supporting plate, a T-shaped connecting plate is arranged between the reciprocating lead screw and the sliding rail, a supporting column is arranged on the top of one side of the T-shaped connecting plate, a mounting plate is arranged on the top of the supporting column, and a connecting pipeline is arranged on the top of the mounting plate. The automobile parts are driven by a waterproof air cylinder to move downwards into an oil and rust removing agent in a degreasing tank to be soaked, after grease in the surfaces is removed, a rotary damping drive mounting plate and a spraying device are rotated to move to the top of a bearing disc, a water pump sucks a water source in a water tank, and the water source is sprayed to the surfaces of the automobile parts through a connecting pipeline and the spraying device. And the residual oil and rust removing agent is cleaned.

A system (100) for optimizing fuel and energy consumption by an Electro-Deposition (ED) oven (114) of an automobile paint shop (108) is disclosed. The system (100) includes a digital twin (112) of the ED oven (114). The digital twin (112) is based on design parameters and operational data. The system (100) further includes an RL agent (202) that is configured to receive training and learn control strategies through interaction with at least environment models (112c) for generating policies. The RL agent (202) is further configured to output at least one policy including an optimal opening percentage of at least one gas damper and an optimal speed of at least one fan, which when implemented leads to savings in the fuel and energy consumption while maintaining at least effective metal temperature (EMT) of the coated automobile component (716) in a recommended range in the ED oven (114).

The invention discloses a heat allocation system based on a heat pump. The heat allocation system comprises a water tank; a water source heat pump; an air source heat pump; a cooling tower; a cooling water circulation system; a hot water circulation system; a chilled water circulation system; an exhaust heat recovery system; wherein the water tank, the water source heat pump, the air source heat pump, the cooling tower, the cooling water circulation system, the hot water circulation system, the chilled water circulation system and the exhaust heat recovery system are connected with one another to realize heat allocation, especially heat allocation of a coating pretreatment electrophoresis production line of a vehicle body or parts forming the vehicle body; according to the system, heat generated when the heat pump / refrigerating unit produces chilled water and / or heat taken away in exhaust air can be recycled and used for heating the heat using tail end. Therefore, the heat which is wasted originally can be fully utilized, the energy consumption is reduced, and the utilization efficiency of energy is improved.

The invention discloses a Bi2MoO6-Mo2C-C / C photoelectric catalyst and a preparation method and application thereof.The Bi2MoO6-Mo2C-C / C photoelectric catalyst is characterized in that Bi2MoO6 and Mo2C are compounded on a C / C substrate with a porous C / C material as a carrier through a hydrothermal electric deposition technology, a heterostructure can be formed, the surface is loose and porous, the number of active sites of the composite photoelectric catalyst can be effectively increased, and therefore the oxygen evolution efficiency of the composite photoelectric catalyst is improved; due to the existence of the heterojunction structure, the electron interaction of a two-phase heterogeneous interface can be enhanced, the overall conductivity, adsorption energy and reaction kinetics can be improved, the electron transfer is improved, and the active site density is increased, so that the catalytic performance is effectively improved, the stability is good, the application range is wide, and long-time stable work can be realized; the prepared composite photoelectrode material has high conductivity, adsorption energy, good reaction kinetics, high stability, high adaptability and high oxygen evolution efficiency.

The invention discloses a copper-based current collector modified by a self-repairing artificial interface layer, a preparation method of the copper-based current collector and application of the copper-based current collector in a negative-electrode-free lithium battery. According to the self-repairing artificial interface layer, an ionomer with a self-repairing function is prepared from a nitrogen-containing water-soluble comonomer, a quaternary ammonium salt monomer, double-bond-terminated polyoxyethylene and a dopamine self-repairing monomer in a solution polymerization mode, and the ionomer with the self-repairing function is prepared into a solution to serve as an electrophoresis solution; and depositing the ionomer on the exposed copper-based current collector by adopting an electrophoretic deposition method. The artificial interface layer obtained by the method is compact and uniform, the thickness is adjustable, and the effects of accelerating lithium ion transmission, homogenizing lithium deposition, self-repairing and the like can be achieved. When the copper-based current collector modified by the self-repairing artificial interface layer is used for the negative-electrode-free lithium battery, the cycle life of the copper-based current collector is obviously prolonged, and a new solution is provided for developing the high-performance negative-electrode-free lithium battery.

The invention relates to an improved photoelectric coupler packaging electroplating technology which comprises the following steps that S10, self-repairing microcapsules are dispersed into electroplating liquid, the microcapsules comprise wall materials and core materials, and the core materials comprise vinyl siloxane and chloroplatinic acid catalysts; s20, sequentially forming a nano gradient composite coating structure on the surface of the substrate, wherein the composite coating structure comprises a substrate layer, a transition layer, a main functional layer and a packaging layer; and S30, carrying out micro-area deposition by adopting a light-induced selective electroplating process, wherein the micro-area deposition comprises laser micro-area activation, pulse electroplating deposition and in-situ ultraviolet curing. According to the electroplating process, through the nanometer gradient composite coating structure, the interface stress concentration is reduced through layer-by-layer transition of the material and the thickness, the thermal cycle resistance of the coating is improved, and meanwhile the balance among conductivity, mechanical strength and thermal stability is achieved.

A finishing system includes a frame that includes a bath station configured to communicate with an electrode. A hoist supported by the frame is movable into register with the bath station to establish electrical communication between the hoist and a current generated by a power source. The current drives deposition of a coating onto a load carried by the hoist. A drive assembly of the system is supported by the hoist and is operable to rotate a sprocket. The drive assembly includes a rotary conductor electrically coupled to the sprocket and configured to come into electrical communication with the frame. An electrically conductive lifting chain is operable through rotation of the sprocket to lower the load into the bath station. The frame communicates current from the power source to the rotary conductor, and the lifting chain communicates current from the rotary conductor to the load.

A flexible pH sensor and a measurement system, belonging to the technical field of sensors. Using a material that does not react with an electrolyte, mixed with a metal, an anode substrate is printed, and by means of an electrochemical method, one-step synthesis of a metal-doped polyaniline composite material is implemented. By means of controlling the metal content, the doping amount of metal ions in the polyaniline can be changed. Adding metal increases the conductivity of the anode substrate, which facilitates deposition of polyaniline. The one-step method for preparing a polyaniline composite material is simple, low-cost, and pollution-free; compared with pure polyaniline, the composite material has improved sensitivity. The metal-doped polyaniline composite material is used in a pH sensor for the first time, thus implementing a wide pH measurement range (2-12) and a high bending stability. The flexible pH sensor can be used in saliva pH measurement, and to measure the freshness of fresh food.

A preparation method of a collagen material stripped from an electrode and a use of the collagen material are provided. The preparation method of a collagen material stripped from an electrode includes the following step: subjecting a collagen solution including hydrogen peroxide and / or acetic acid to electro-deposition (EDP) to obtain the collagen material on the electrode. The preparation method can lead to a collagen material directly on a surface of an electrode.

The utility model discloses metal plate electrophoresis pretreatment equipment for uniform treatment, which belongs to the technical field of metal plate pretreatment and comprises a tank body, a sliding rail, a sliding block, a fixed block and a cross rod are arranged at the upper end of the groove body All the sliding blocks on each side are connected through a shear fork support. A reciprocating swing mechanism is arranged at the lower end of the groove body and used for pushing the frame body of the hanger to swing in a reciprocating mode. By means of the mode, a user can keep the locking effect on one sliding block and push any movable sliding block to move on the sliding rail, all the sliding blocks are expanded or contracted on the sliding rail at equal intervals, and therefore the distance between the transverse rods is adjusted to adapt to hanging frames of different sizes, and the cleaning requirements for metal plates of different specifications are met; the frame body of the hanging frame is pushed through the reciprocating swing mechanism, the frame body swings on the transverse rod in a reciprocating mode through the hooks, the metal plate on the frame body can continuously disturb cleaning liquid in the tank body, impurities on the surface of the metal plate can be separated more easily, and the cleaning efficiency and the cleaning effect are effectively improved.

The invention discloses a preparation method of a coating loaded with an antibacterial coating. The preparation method comprises the following steps: pretreating a titanium sheet, preparing an electrolyte, preparing Ti (at) col-I, preparing Carat UiO-66, preparing a Ti (at) col-I (at) Carat UiO-66 coating, and preparing a Ti (at) col-I (at) Carat UiO-66 (at) LBL coating. According to the coating preparation method and the implant provided by the invention, the carvacrol-loaded UiO-66 mineralized collagen coating is prepared by utilizing an electrochemical deposition and layer-by-layer self-assembly technology, so that the surface osseointegration capability of a titanium-based material is improved, the surface of the titanium-based material is endowed with antibacterial capability, and infection around the implant is reduced; the initial stability and the clinical curative effect are improved.

The utility model discloses a resource processing system for barium sulfide slag. The barium sulfide slag is crushed and leached by circulating water washing through a pretreatment unit to leach barium sulfide in the barium sulfide slag, and the water washing liquid enriched with barium sulfide is subjected to an electrophoresis deep processing unit to realize high-value recovery of sulfur and barium elements, thereby finally realizing resource utilization of the barium slag. The system of the utility model has no secondary pollution, has the advantages of being environmentally friendly, having high product added value, high sulfur element utilization efficiency, low cost, and simple operation, is applicable to large-scale industrial applications, and has broad market prospects and significant economic benefits.

The utility model discloses an auxiliary tool for cathode electrophoretic coating, which relates to the technical field of electrophoretic coating and comprises a cathode electrophoretic coating pool, a plurality of support frames are arranged on the outer side of the cathode electrophoretic coating pool, and automobile part conveying belts are symmetrically arranged on one side of the cathode electrophoretic coating pool and positioned between the two groups of support frames; a walking track is arranged at the bottom end of one end of the supporting frame, and a sliding mechanism is arranged at the bottom end of the walking track. The movable coating device is reasonable and reliable in structure and convenient to operate, automobile parts can be coated and covered uniformly by coating the automobile parts in a movable manner, coating can be utilized effectively, waste is reduced, more coating is saved, the sliding mechanism moves on the walking track by arranging the walking track, and the service life of the sliding mechanism is prolonged. And therefore, the automobile parts can be subjected to continuous electrophoretic coating along the walking track, the working efficiency of the automobile parts during electrophoretic coating can be improved, and the production cost is reduced.

The invention belongs to the technical field of photovoltaic materials, and provides a photovoltaic profile and a preparation method and application thereof. The preparation method comprises the following steps: carrying out surface conditioning and phosphorization on a steel substrate (carbon steel or recycled steel or low alloy steel), carrying out electrophoretic deposition by using epoxy thermosetting electrophoretic primer, and pre-drying; the outer surface of a workpiece is coated with fluorocarbon finish paint (the fluorocarbon finish paint comprises the following raw materials in specific content: polyester resin with a certain viscosity hydroxyl value, fluorocarbon resin with a certain viscosity hydroxyl value, pigment filler, an organic solvent, a wetting leveling agent, a dispersing agent, a defoaming agent, an adhesion promoter and an aliphatic isocyanate curing agent), and curing is performed. And an electrophoretic primer layer with the thickness of 15-25 microns and a fluorocarbon finish layer with the thickness of 20-30 microns are formed on the outer surface of the steel substrate through curing. According to the photovoltaic profile, the electrophoretic primer layer and the fluorocarbon finish paint layer are formed on the low-cost steel substrate through one-time curing, the process can be simplified, the cost can be reduced, the paint layer is thin, and the photovoltaic profile further has long-term excellent adhesive force, aging resistance, corrosion resistance, weather resistance, gloss retention and the like.

The utility model provides a skid device which comprises a skid body and a supporting structure, the skid body extends in the first direction, the supporting structure is arranged on the skid body and comprises a plurality of supporting sets arranged at intervals in the first direction, and each supporting set comprises a plurality of supporting pieces; each supporting piece protrudes out of the skid body in the second direction, the second direction intersects with the first direction, and each supporting set is configured to support one piece to be subjected to electrophoresis, so that the multiple pieces to be subjected to electrophoresis can be supported and fixed through the skid device, and the synchronous electrophoretic coating requirement of the multiple pieces to be subjected to electrophoresis is met; the skid device does not need to be converted for many times in the coating process, the manufacturing time is shortened, and electrophoretic coating of all the split assemblies of the sliding plate chassis is achieved with high quality.

The utility model belongs to the technical field of impeller surface treatment, and discloses impeller blade surface electrophoresis treatment equipment which comprises an electrophoresis tank and a suspension mechanism, the suspension mechanism comprises a fixed rail and a sliding rail, the sliding rail is fixedly connected with an L-shaped sliding block, a guide rail is arranged below the fixed rail, a sliding frame is arranged on the guide rail in a sliding mode, and the sliding frame is fixedly connected with the L-shaped sliding block. An L-shaped rod is hinged to the top end of the sliding frame, and the top end of the L-shaped rod penetrates through and slides in the L-shaped sliding block. According to the utility model, when the sliding frame moves to the middle part of the electrophoresis cell along with the L-shaped sliding block through the L-shaped rod, the sliding frame descends and drives the impeller on the hanging rod to immerse into the electrophoresis cell together, so that the impeller does not need to be controlled to descend into the electrophoresis cell by using extra electrical equipment, the production cost is effectively reduced, and the production efficiency is improved. And the impeller can ascend along with the ascending position of the guide rail after completing electrophoresis in the electrophoresis pool through the hanging rod, so that the impeller is automatically separated from the electrophoresis pool, and the electrophoresis efficiency of the impeller is improved.

The invention provides high-toughness chitosan hydrogel and a preparation method thereof, and belongs to the technical field of chitosan materials. Under a specific electric field driving condition, a chitosan solution realizes molecular chain oriented migration and in-situ deposition in an acid environment, and a three-dimensional network with dense arrangement and a gradient structure is constructed. The chitosan hydrogel disclosed by the invention has excellent performance in the aspects of tensile strength, elongation at break, toughness, shear resistance and the like which exceed those of chitosan hydrogel prepared by most methods, and has good biocompatibility and application potential. The programmable regulation and control of the structure and performance of the chitosan hydrogel can be realized by regulating and controlling the pH value, the electric field intensity, the current density, the deposition time and the like of the system. The high-toughness chitosan hydrogel prepared by the method is suitable for various biomedical scenes, such as bionic soft tissues, bone repair scaffolds, flexible electronic devices and other wet application scenes with high mechanical property requirements.

The utility model discloses a double-layer suspension bracket for electrophoresis of automobile parts, which relates to the technical field of electrophoresis suspension brackets and is technically characterized by comprising an electrophoresis tank, and the electrophoresis tank comprises a suspension mechanism and a driving mechanism; the suspension mechanism comprises an upper suspension frame installed on the driving mechanism, and the two ends of the interior of the upper suspension frame are fixedly connected with long sleeve rods in a sleeved mode. The device has the technical effects that by arranging the vertical rod, the lower suspension bracket and the bottom plate, when the whole upper suspension bracket moves into the electrophoresis tank, an automobile part suspended by a hook on the lower suspension bracket is firstly contacted with the bottom of the electrophoresis tank and is jacked up, and continuously moves along with the whole upper suspension bracket, so that the bottom plate is contacted with the bottom of the electrophoresis tank; and the lower suspension bracket pushes the vertical rod to move along the interior of the long sleeve rod, so that the lower suspension bracket jacks up the automobile part suspended on the hook, the contact surface of the automobile part and the hook can be subjected to electrophoresis processing, and the electrophoresis part of the automobile part is more comprehensive due to the design.

The invention provides an aluminum profile electrophoresis finishing surface treatment process which comprises the steps that S1, an aluminum profile is sequentially pretreated, and pretreatment comprises degreasing, acid pickling, alkali etching, neutralizing and water washing treatment; s2, the pretreated aluminum profile is immersed in electrophoresis tank liquid, and direct-current voltage is applied; wherein the electrophoresis tank liquid is composed of acrylic resin, epoxy resin, deionized water and a curing agent, the solid content is 10%-15%, the pH value is 5.5-6.5, the direct-current voltage is 80-120 V, the electrophoresis time is 2-4 minutes, the temperature of the electrophoresis tank liquid is controlled to be 25-30 DEG C, and the thickness of an electrophoresis film is 15-25 microns; and S3, the aluminum profile subjected to electrophoresis is sequentially subjected to liquid draining, water washing, baking and curing treatment. Electrophoretic coating is carried out after pretreatment, the adhesive force of a coating reaches 4B or above by using a composite resin system in the electrophoretic coating, the thickness uniformity of an electrophoretic film is improved during electrophoresis, and the cracking resistance and the hardness of the coating are improved through subsequent baking treatment.

An object of the present invention is to provide an electrolysis technique such that the electrolysis performance is unlikely to be deteriorated, and excellent catalytic activity is retained stably over a long period of time even when electric power having a large output fluctuation, such as renewable energy, is used a power source, and this object is realized by an alkaline water electrolysis method, in which an electrolytic solution obtained by dispersing a catalyst containing a hybrid cobalt hydroxide nanosheet (Co-NS) being a composite of a metal hydroxide and an organic substance is supplied to an anode chamber and a cathode chamber that form an electrolytic cell, and the electrolytic solution is used for electrolysis in each chamber in common, and an alkaline water electrolysis anode.

The invention relates to a nonlinear coating method based on electrophoresis self-adaptive regulation and control, which comprises the following steps of: constructing an electrophoresis system consisting of a pair of parallel polar plates and nonlinear conductive particles positioned between the polar plates, monitoring characteristic parameters in the electrophoresis process in real time, and dynamically adjusting voltage and temperature parameters in the electrophoresis process by adopting a control algorithm, therefore, while the characteristic parameters are regulated and controlled in an internal feedback mode, regulation and correction are realized in an external feedback mode according to comparison between the regulated characteristic parameters and error values, the electrophoresis process is monitored in real time, and nonlinear coating is realized. According to the invention, electrophoresis characteristic parameters are measured, and voltage and temperature parameters in electrophoresis are dynamically adjusted according to the characteristic parameters through a data acquisition and monitoring system, so that real-time monitoring and adjustment of electrophoresis quality are realized.

The invention discloses a diamond particle inlaid metal matrix diamond coating composite material and a preparation method and application thereof.The preparation method comprises the steps that diamond particles are pressed and embedded in a metal substrate, the metal substrate inlaid with the diamond particles is obtained and subjected to heat treatment, then the metal substrate subjected to heat treatment is placed in nano-diamond seed crystal turbid liquid, seed crystals are planted, and the diamond particle inlaid metal matrix diamond coating composite material is obtained. The preparation method comprises the following steps: planting a seed crystal on a metal substrate to obtain a metal substrate for planting the seed crystal, and carrying out chemical vapor deposition on the metal substrate to grow a diamond film or a diamond-doped film, so as to obtain the diamond particle inlaid metal-based diamond coating composite material. The diamond film has the most obvious diamond phase and (111) crystal face preferred growth trend, the bonding strength of the diamond film and the substrate is high, and the diamond film has excellent conductivity and catalytic activity.

The utility model discloses an electrophoresis residual liquid pouring emptying device which comprises an electrophoresis tank body, a working table which protrudes out of the tank bottom face and is in an island shape is arranged in the electrophoresis tank body, an annular tank arranged in the electrophoresis tank body is arranged outside the working table, and the tank bottom of the annular tank is obliquely arranged in a left-high and right-low mode. A suction pipe attached to the inner wall is arranged in the electrophoresis tank body, one end of the suction pipe extends out of a notch in the upper end of the electrophoresis tank body, the lower end of the suction pipe extends into the annular groove, the electrophoresis tank body is connected with a calandria, one end of the calandria is connected with the annular groove, and the other end of the calandria is connected with the outside. The calandria is arranged at the end, close to the low position, of the annular groove. And the suction pipe is arranged above the calandria. The inverted tank emptying device has the advantages of being easy to empty and thorough in emptying, and is complete in overall function and high in practicability.

The utility model discloses an electrophoresis wastewater treatment system which comprises an electrophoresis treatment tank, an ultrafiltration water tank group, a cleaning water tank, an RO (Reverse Osmosis) liquid tank group, an ultrafiltration system and an electrophoresis pure water system, the cleaning liquid conveying unit is respectively connected with the electrophoresis treatment tank and the ultrafiltration main machine, the ultrafiltration main machine is provided with a plurality of ultrafiltration membrane groups, the concentrated liquid conveying unit is respectively connected with the ultrafiltration main machine and the electrophoresis treatment tank, the ultrafiltration liquid conveying unit is respectively connected with the ultrafiltration main machine and the ultrafiltration water tank group, and the electrophoresis pure water system is respectively connected with the ultrafiltration water tank group and the RO liquid tank group. According to the utility model, the ultrafiltration membrane of the ultrafiltration system is used for carrying out membrane separation on the cleaning waste liquid, small molecular substances and macromolecular substances are separated, the macromolecular substances are conveyed into the electrophoresis treatment tank through the concentrated solution conveying unit to be continuously used, and the small molecular substances are treated again through the electrophoresis pure water system, so that energy conservation and consumption reduction are realized, and the environmental protection pressure is relieved.

To provide an alloy member having both corrosion resistance and excellent appearance.SOLUTION: An alloy member 100 comprises a substrate 101 comprising magnesium as a main component and containing lithium, and a corrosion preventive film 102 containing magnesium, phosphorus, and fluorine, the corrosion preventive film 102 being disposed on the substrate 101. The average film thickness T of the corrosion preventive film 102 is 20 μm or more, and the difference between the maximum value and the minimum value of the film thickness of the corrosion preventive film 102 is less than 20 μm.SELECTED DRAWING: Figure 1