58 results about "Plasma coating" patented technology

The invention discloses a plasma forming apparatus and a plasma source system. The plasma forming device comprises a radio frequency power supply module, an impedance matching module, an acquisition control module and at least two distribution modules, the output end of the radio frequency power supply module is electrically connected with the input end of the impedance matching module; the input end of each distribution module is electrically connected with the output end of the impedance matching module; the distribution modules are positioned on one side of an insulating window in the plasma reaction chamber and are sequentially arranged along a first direction; the distribution module is used for coupling the radio frequency energy output by the radio frequency power supply module to a corresponding area of the plasma reaction chamber; and the acquisition control module is used for respectively acquiring the current signal in each distribution module, and independently adjusting the output power of the corresponding distribution module based on the acquired current signal of each distribution module. The plasma forming device and the plasma source system provided by the invention are low in cost, simple in impedance debugging and applicable to a large-area and high-uniformity plasma coating process.

The invention discloses a positioning mechanism for plasma coating, which relates to the field of plasma coating equipment and comprises a coating box, an upper cavity cover is fixed on the inner top wall of the coating box through screws, a lower cavity cover matched with the upper cavity cover is arranged below the upper cavity cover, and a coating nozzle is mounted in the center of the top of the upper cavity cover. The coating nozzle penetrates through the cover body and the box body through a connecting pipe and is connected with an external plasma generator; protective shells are fixed to the inner walls of the two sides of the lower cavity cover correspondingly, positioning mechanisms are arranged in the protective shells, the two positioning mechanisms are each composed of a clamping assembly and an alternate contraction assembly, the clamping assemblies clamp, position and rotate a base material, the alternate contraction assemblies switch clamping and positioning points of the base material after the clamping assemblies rotate, and the clamping assemblies are fixed to the lower cavity cover; according to the invention, the dynamic rotation of the base material in the coating process is realized, a new contact positioning point is automatically switched, the problem of the contact blind area of a fixed clamp is thoroughly eliminated, and plasma particles are uniformly deposited.

The utility model discloses a plasma coating manufacturing dust-free clean production line, which comprises a dust-free spraying bin and a drying production line, the dust-free spraying bin comprises a base and a paint control assembly, a spraying bin body is installed on the upper side of the base, a spraying assembly sliding rail is installed at the bottom of an inner cavity of the spraying bin body, and a dust-free spraying assembly is installed on the drying production line. A universal spraying assembly is slidably mounted on the spraying assembly sliding rail and connected with the coating control assembly, and a discharging and filtering assembly communicating with an inner cavity of the spraying bin body is mounted on the upper portion of the side face of the spraying bin body. According to the plasma coating manufacturing dust-free clean production line, the cleanliness of the production environment can be effectively improved, the temperature and humidity in the plasma coating spraying environment can be adjusted and controlled, production and preparation of radio frequency plasma operation electrode products are facilitated, the plasma coatings can be dried after being sprayed, the temperature in the drying process is stable, the conveying speed is controllable, and the production efficiency is improved. And the drying quality of the plasma coating is ensured, and the product percent of pass is improved.

The invention discloses a low-VOC (volatile organic compound) environment-friendly foaming PVC (polyvinyl chloride) profile and a preparation method, and relates to the technical field of building plastic profiles, the profile faces door and window joints in contact with silicone sealants (acetic acid type and oxime type) and polyurethane foaming agents, the profile adopts a three-layer structure: a surface layer is a sol-gel silica anti-infiltration layer; the near surface is a reaction-adsorption transition layer and contains beta-cyclodextrin grafted aminated silicon dioxide, zinc ion exchange zeolite and epoxy polyhedral oligomeric silsesquioxane; the foam core is a low-source foaming system and is matched with low-migration plasticizing lubrication; external acetic acid, oxime and tertiary amine are subjected to peak clipping and in-situ fixation in a epidermis-foam core transition zone through side feeding directional enrichment and plasma coating; under the conditions of ISO 16000-9 and VDA278, delta TVOC is less than or equal to 30 mu g / m, acetic acid, diacetylmonoxime and tertiary amine are reduced by more than or equal to 80%, more than or equal to 75% and more than or equal to 70%, and the adhesion and atomization performance is kept.

An aerosol-generating device is for generating a precursor-comprising aerosol flow for a plasma coating process and includes an aerosol droplet separator and a set of atomizing compartments. The aerosol droplet separator has a nozzle outlet, a precursor recycling outlet and an aerosol channel therebetween.

The present disclosure relates to the technical field of composite coating preparation, in particular to a method for plasma-assisted and multi-step continuous preparation of a diffusion layer / amorphous carbon film composite coating and use thereof. In the present disclosure, a high-temperature plasma carburizing / nitriding technology and a low-temperature plasma carbon coating technology are combined by a plasma activation technology with argon ion under gradient cooling, and the surface of a material is activated by multiple bombardment on the surface of the material with high-energy argon ions. In this way, a cluster-like porous and loose structure on a surface of the diffusion layer is removed. In summary, the multi-step continuous preparation of the diffusion layer / amorphous carbon film composite coating is formed based on an integrated technology of the high-temperature plasma diffusion with nitrogen / carbon ion and plasma activation with argon ion under gradient cooling and plasma coating with low-temperature carbon ion.

This invention discloses a method for applying a plasma coating to non-stick pans, relating to the field of plasma spraying technology. The specific steps of this method are: substrate pretreatment and forming, substrate adaptation brazing, surface sandblasting and roughening, plasma cladding for film formation, and post-treatment sealing. This invention achieves a suitable surface state for pans with different substrate types by performing differentiated pretreatments. Iron plate substrates obtain long-term stable rust prevention capabilities through deep nitriding rust prevention treatment, meeting the long-term use requirements of iron plate non-stick pans. Stainless steel substrates eliminate unnecessary processing steps, effectively controlling production costs. Furthermore, the surface roughening process removes various impurities from the substrate surface and forms a uniform adhesion base on the substrate surface, ensuring a stable bonding structure between the coating and the substrate and preventing coating peeling during long-term hot and cold cycle use of the pan.

The invention relates to a method for producing a fabric having hydrophobic and oleophobic properties, said fabric having a halogen-free plasma coating, whereby the method comprises: a step DHF of depositing a plasma coating on the fabric by plasma-enhanced chemical vapor deposition (PECVD) by means of plasma polymerization of halogen-free precursor monomers, wherein the halogen-free precursor monomer is an organosilane, siloxane and / or hydrocarbon precursor wherein the plasma enhanced chemical vapor deposition is carried out under a protective atmosphere as a low pressure plasma process wherein the fabric comprises a woven monofilament fabric of polymeric material having a filament diameter of 10 [mu] m to 150 [mu] m and meshes of between 5 [mu] m and 200 [mu] m.

The utility model discloses a railway track surface rust-proof plasma coating device, which comprises a coating box and a support frame, conveying belts are symmetrically arranged between the coating box and the support frame, the bottom of the support frame is rotatably connected with a turntable, the inner bottom end of the coating box is rotatably connected with a rotating plate, the bottom of the turntable is fixedly provided with a first hydraulic cylinder, and the bottom of the rotating plate is fixedly provided with a second hydraulic cylinder. A first hydraulic cylinder is fixedly mounted at the top of the rotating plate, a second hydraulic cylinder is fixedly mounted at the top of the rotating plate, positioning assemblies are arranged at the ends, close to each other, of the first hydraulic cylinder and the second hydraulic cylinder, each positioning assembly comprises a mounting plate fixedly mounted at one end of the first hydraulic cylinder and one end of the second hydraulic cylinder, and movable rods are symmetrically and slidably connected into the mounting plates; according to the rail rotating device, when a rail is rotated, the rail can be reliably positioned, the rail is prevented from shifting and falling off, the stability of rail rotation is improved, subsequent coating of the rail is facilitated, and the practicability is improved.

The invention relates to a method of producing a fabric having a halogen free plasma coating, having a hydro- and oleophobic characteristics, wherein the method comprises: step DHF of depositing a plasma coating on the fabric by means of plasma polymerization of a halogen free precursor monomer by plasma-enhanced chemical vapor deposition method (PECVD), wherein the halogen free precursor monomer are organosilane, siloxane and / or hydrocarbon precursors, wherein the plasma-enhanced chemical vapor deposition is carried out as a low-pressure plasma processes under protective atmosphere, wherein the fabric comprises of a woven monofilament fabric of polymeric material having a filament diameter between 10 μm to 150 μm and a mesh opening between 5 μm and 200 μm.

Exemplary methods of forming a coating of material on a substrate may include forming a plasma of a first precursor and an oxygen-containing precursor. The first precursor and the oxygen-containing precursor may be provided in a first flow rate ratio. The methods may include depositing a first layer of material on the substrate. While maintaining the plasma, the methods may include adjusting the first flow rate ratio to a second flow rate ratio. The methods may include depositing a second layer of material on the substrate.

To provide a method of producing a fabric having a plasma coating which has a hydro- and oleophobic characteristics and is free from halogen, particularly free from perfluoroalkyl substances and polyfluoroalkyl substances (PFAS).SOLUTION: The invention relates to a method of producing a fabric having a halogen-free plasma coating having a hydro- and oleophobic characteristics, where the method comprises: a step DHF of depositing a plasma coating on the fabric by means of plasma polymerization of a halogen-free precursor monomer by plasma-enhanced chemical vapor deposition method (PECVD), where the halogen-free precursor monomer are organosilane, siloxane and / or hydrocarbon precursors, where the plasma-enhanced vapor deposition is carried out as a low-pressure plasma processes under protective atmosphere, where the fabric comprises a woven monofilament fabric of polymeric material having a filament diameter of 10 μm to 150 μm and a mesh opening of 5 μm to 200 μm.SELECTED DRAWING: Figure 1

A plasma coating method for coating particulate matter, including the steps of: a) providing a low-temperature atmospheric plasma jet from a plasma gas outside of the reaction chamber; b) inserting a precursor into the plasma jet, thereby obtaining a plasma coating flow comprising an excited precursor, followed by injecting the plasma coating flow comprising the excited precursor in the reaction chamber, and c) subjecting particulate matter to said plasma coating flow comprising said excited precursor, thereby obtaining particulate matter comprising an at least partial coating. a coating reactor apparatus and a system involve the plasma coating method.

The application belongs to the technical field of material coating, and discloses a device for improving the use efficiency of target material in a plasma coating layer, which comprises a coating furnace serving as a support structure of the whole device, a cathode body connected with the coating furnace, a cooling structure connected with the coating furnace, a placing box fixed to the coating furnace, a copper plate connected with the placing box, target material connected with the placing box through the copper plate, a coil connected with the cathode body, and a multi-channel time sequence power switching controller connected with the coil. The multi-channel time sequence power switching controller is used for intermittently controlling power-off of the multiple coils, so that the ionization position can be flexibly changed, the limitation of fixed ionization position of the traditional device is broken, the evaporation surface area between the target material and the device is increased, the use area of the target material is increased, more target material surfaces are used for sputtering, and the "edge blind area" or "bottom blind area" that is not used is reduced.

The present invention relates to a superhydrophobic membrane for membrane distillation, comprising a polymer base layer, a superhydrophobic layer and a nanocoating layer. The polymer base layer can be formed by electrospinning, phase separation, spray coating, blow spinning, roll coating or dip coating, and the superhydrophobic layer can be formed by electrospraying, chemical vapor deposition, physical vapor deposition, sputtering, atomic layer deposition, sol-gel coating, electrospinning, dip coating, spin coating, spray coating or plasma coating.

The invention discloses a plasma spraying automatic rotating tool which comprises a base, a fixed seat is fixedly connected to one side of the top of the base, and a first movable seat is arranged on the side, away from the fixed seat, of the top of the base. The pipe fitting fixing assembly is arranged at the tops of the fixed seat and the first movable seat; the power unit is arranged on the side, away from the first movable base, of the top of the fixed base. The invention relates to the technical field of plasma spraying, the inner sides of the two ends of a pipe fitting are internally supported and fixed through a pipe fitting fixing assembly, spraying blind areas are prevented from being formed on the outer side of the pipe fitting, meanwhile, the pipe fitting fixing device can adapt to fixing of pipe fittings with different lengths and diameters, and the pipe fitting is driven by a power unit to rotate at a constant speed; the spraying track of the plasma spray gun uniformly covers the surface of the pipe fitting, secondary spraying is not needed, the labor intensity of workers is reduced, and the stability and consistency of the quality of a plasma coating are ensured.

The present invention relates to the technical field of plasma cleaning process parameter calculation, and specifically to a method for calculating plasma coating cleaning process parameters, comprising the following steps: first, obtaining experimental data characterized by film material and cleaning rate and labeled with process parameters; then, inputting the experimental data into a deep neural network for training to obtain a trained deep neural network model; finally, inputting a sample to be predicted with known film material and cleaning rate into the trained deep neural network model to predict the corresponding process parameters; the present invention can provide accurate process parameters for the plasma coating cleaning process, thereby improving the quality and efficiency of cleaning.

The present invention provides a rubber roller carbon coating method in which DLC coating of the surface of a rubber roller is performed using an ion source, and in which the coating time and the aging time (also referred to as the cooling time) are distributed and a coating cycle is controlled using same as one coating cycle so that problems, such as surface cracks on a rubber roller, caused by heat, ultraviolet rays and the like generated during coating using plasma can be prevented.

To improve the membrane coating characteristics in ion exchange membrane applications using woven mesh fabric as a reinforcing material. [Solution] A woven mesh fabric containing monofilament fibers in the warp and weft of one of the polymers polyphenylene sulfide, polyether ether ketone, and liquid crystal polyester is subjected to at least one heat treatment to fix the mesh openings to a desired size, stabilize the monofilament fibers, and remove surface contaminants. One or more pretreatment steps are carried out, including a plasma pretreatment step and / or a plasma etching step. A plasma coating is deposited on the woven mesh fabric by plasma polymerization incorporating at least one functional group selected from the group consisting of hydroxyl groups, carboxyl groups, amino groups, and sulfonic acid groups. The woven mesh fabric has a filament diameter of 10 μm to 60 μm, a mesh opening of 20 μm or more, and a fabric thickness of 20 μm to 80 μm.

The invention belongs to the technical field of material coating, and discloses equipment for improving the use efficiency of a target material in a plasma coating, which comprises a coating furnace as a supporting structure of the whole equipment: a cathode body connected with the coating furnace; the cooling structure is connected to the coating furnace; the placing box is fixed on the coating furnace; the copper plate is connected to the placing box; the target material is connected to the placing box through the copper plate; a coil connected to the cathode body; the multi-channel time sequence power supply switching controller is connected to the coils, intermittent power-off control is carried out on the multiple coils through the multi-channel time sequence power supply switching controller, the ionization position can be flexibly changed, the limitation that the ionization position of traditional equipment is fixed is broken through, the evaporation surface area between the equipment and a target material is increased, and the evaporation efficiency is improved. Therefore, the usable area of the target material is increased, more target material surfaces participate in sputtering, and unutilized edge blind areas or bottom blind areas are reduced.

A coating applied to an article which includes a pigment or a dispersion. The coating comprising an upper side and a lower side. The coating being applied to at least one surface of the article: and wherein the coating is formed from a monomer and a nanoparticle which have passed through a plasma such that a plasma polymerised coating have been formed.

The invention relates to the technical field of battery materials, and particularly provides a biomass-based hard carbon negative electrode material and a preparation method and application thereof.The preparation method comprises the steps that biomass raw materials are pre-carbonized and then smashed, and a biomass precursor is obtained; the biomass precursor is soaked in alkali liquor, the concentration of the alkali liquor for soaking in the alkali liquor is 0.5-5 M, the time is 6-24 h, and filtering and drying are conducted after soaking; mixing the obtained material with an inorganic compound, and carrying out vacuum calcination, wherein the inorganic compound is one or more of sodium chloride, zinc chloride, nickel chloride, ferric chloride, cobalt chloride and copper chloride; carrying out acid pickling on the calcined material, and then washing with water until the pH is 5-7; and carrying out plasma treatment on the obtained material. The electrochemical performance of the negative electrode material is effectively improved by cooperatively controlling alkali liquor soaking to remove part of lignin, adding an inorganic compound for chambering and coating surface defects with plasmas, and the method can be used as the negative electrode material of the sodium-ion battery.

The present invention relates to a plasma seed uniform treatment machine with multi-stage air-screen cleaning function, belonging to the technical field of agricultural machinery; the seed treatment machine includes a uniform feeding system, a multi-stage cleaning system, a sedimentation and impurity removal system, a plasma chamber seed feeding system, a plasma generation system, a cavity vibration and seed collection system, a frame and a power source system. The present invention can achieve the classification and cleaning of irregular seeds such as alfalfa and the uniform plasma coating treatment, and has the function of impurity removal, sorting seeds in real time and completing impurity removal. At the same time, the sorted seeds are uniformly coated with plasma, and the seed surface is bombarded to achieve the etching effect, improving the cleanliness and seed vigor of seeds before sowing, increasing the germination potential and germination rate of seeds, stimulating seed germination and promoting seedling growth, improving seedling traits, extending the harvest cycle, increasing crop yield, and enhancing the resistance of crops to biotic and abiotic stresses.

A method for altering adhesion properties of a surface of a substrate by a coating, comprising the steps of: a) ionizing a plasma gas at low temperature and at atmospheric pressure, thereby creating a plasma with a plasma temperature of at most 50° C.; b) introducing a precursor into a plasma gas afterglow of the plasma; c) subjecting the surface of the substrate to the plasma including the precursor, thereby forming a coating onto the surface. The plasma gas is essentially completely comprised of inert gas. The coating alters the adhesion properties of the surface.

There is a method for surface coating using a plasma coating device. The plasma coating device has a vacuum chamber; at least one sputtering source arranged in the vacuum chamber with a target of a solid material; a substrate to be coated; and at least one carrier gas source opening into the vacuum chamber. The method has the following steps: evacuating the vacuum chamber and supplying a carrier gas stream from the carrier gas source to the target such that a plasma with ions from atoms of the carrier gas is produced. The plasma ions dissolve particles out of the solid material of the target, and the dissolved particles are supplied to the surface of the substrate. The carrier gas stream is discontinuously supplied to the target of the sputtering source by modulating the gas flow of the carrier gas stream.

The present invention relates to the technical field of hemoperfusion, and particularly relates to a modified filler for hemoperfusion and a preparation method thereof, including: S1. Performing argon plasma coating on pretreated polystyrene resin to obtain plasma-coated resin; S2. Adding the plasma-coated resin into an acrylic acid solution and irradiating with ultraviolet light to obtain modified plasma-coated resin; S3. Dispersing 6-monamino-β-cyclodextrin in an ethanol aqueous solution, adding phenyl isothiocyanate and triethylamine, and reacting to obtain modified cyclodextrin; S4. Mixing the modified cyclodextrin, the modified plasma-coated resin and potassium dihydrogen phosphate uniformly in deionized water, heating and reacting, and after the reaction is completed, washing and drying to obtain the modified filler for hemoperfusion. The modified filler for hemoperfusion prepared by the present invention can improve the clearance rate of uric acid, and at the same time has little influence on other substance components in the blood, and has stronger specificity.

This application relates to the field of plasma coating technology, and specifically provides a plasma jet nozzle and a plasma enhanced chemical vapor deposition device. The nozzle includes: a nozzle body having a plasma excitation chamber and a reaction chamber; a precursor ejection tube located in the reaction chamber, the height of the bottom of which is less than the height of the air inlet; a first spiral gas flow guiding structure including a first circular ring mounting plate and a plurality of baffle plates, the plurality of baffle plates being circumferentially arrayed on the first circular ring mounting plate, the height of the top of the baffle plate being greater than the height of the air inlet, the height of the bottom of the baffle plate being less than the height of the air inlet and greater than the height of the bottom of the precursor ejection tube, the plate surface of the baffle plate being parallel to the axis of the precursor ejection tube, and one side of the baffle plate being inclined towards the axis of the precursor ejection tube; this nozzle can effectively solve the problems that the precursor material reacts insufficiently on the surface of the substrate and the crosslinking degree of the finally formed thin film is low due to some tiny droplets aggregating into droplets and / or large droplets exceeding the micron scale.

Processes for producing an OLED screen with a reduced size, in particular for an aircraft. The processes utilize laser cutting to reduce the size of OLED screens from a production line. After the cutting, a plasma coating process seals the cut edges. The portion of the production OLED screen that is cut may be a portion of the display screen. The screens with the reduced sized may be installed in an aircraft, and, two or more of the OLED screens with reduced sized may be positioned adjacent to each other so as to form an array.

This invention relates to a dust collection device for a coating gun, employing a semi-enclosed dust collection structure on the outside of the coating gun; an exhaust pipe on the semi-enclosed dust collection structure; and a sliding device on the semi-enclosed dust collection structure. During the movement of the coating gun, the exhaust pipe, within the semi-enclosed dust collection structure, performs dust collection along with the coating gun, while the sliding device slides during movement to allow the coating gun to avoid obstacles. Compared to traditional dust collection mechanisms, this device achieves a semi-enclosed cavity, resulting in better dust collection. Furthermore, the semi-enclosed dust collection structure includes a moving mechanism to avoid local protrusions in the battery box. This solves the problem in existing technologies where the complex contours of the battery box and the presence of local protrusions place high demands on the following dust collection mechanism. Traditional high-altitude or side-mounted dust collection methods are no longer suitable for plasma coating processes and cannot meet the required technical requirements.

1. Name of the designed product: Plasma modification equipment. 2. Use of the designed product: Used for modifying materials by plasma coating. 3. Design points of the designed product: The overall shape of the product. 4. Picture or photo best indicating the design points: Fig. 1.