37 results about "Plasma coating" patented technology

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.

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 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.

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

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 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.

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.

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.

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.

The invention relates to a method for applying a watchmaking oleophobic and hydrophobic non-halogenated epilame coating that is resistant to timepiece cleaning, to at least part of a surface of a substrate, using atmospheric-pressure cold-plasma coating, the method comprising: activating a first carrier gas using a first electrical discharge, thus creating a first plasma gas jet having an overall temperature equal to or lower than 200°C; introducing an anchoring compound into said first plasma gas jet, thereby activating the anchoring compound; bringing said surface into contact with said first plasma gas jet comprising said activated anchoring compound, thereby causing the anchoring compound to adhere to said surface; activating a second carrier gas using a second electrical discharge, thereby creating a second plasma gas jet having an overall temperature equal to or lower than 200°C; introducing an epilame-coating compound into said second plasma gas jet, thereby activating the epilame-coating compound; and bringing said surface to which the anchoring compound is adhered into contact with said second plasma gas jet comprising said activated epilame-coating compound, thereby causing the epilame-coating compound to adhere to said anchoring compound and thereby forming on said surface a non-halogenated oleophobic and hydrophobic epilame coating resistant to timepiece cleaning; wherein the anchoring compound is in the form Si(OR)xR''y(R'NH2)4-x-y, where R and R'', which may be identical or different, are H, a C1-C10 alkyl group, or a C2-C10 alkenyl group, R', which may be identical or different, is H, a C1-C10 alkyl group optionally comprising an amine group, or a C2-C10 alkenyl group optionally comprising an amine group, x is 1, 2 or 3, y is 0 or 1 where x+y is 0, 1, 2 or 3; and the epilame-coating compound is according to formula (II) or according to formula (III): (II), where R1, R2, R3, R4, R5, R6, R7 and R8, which may be identical or different, are H, a C1-C10 alkyl group or a C2-C10 alkenyl group, and n is comprised between 0 and 10, in which at least one of R1, R2 or R3 is a C1-C10 alkyl group, or a C2-C10 alkenyl group, preferably methyl or ethyl, and at least one of R4, R5 or R6 is a C1-C10 alkyl group, or a C2-C10 alkenyl group, preferably methyl or ethyl; or (III), where R9, R10, R11, R12, R13 and R14, which may be identical or different, are H, a C1- C10 alkyl group, or a C2-C10 alkenyl group, m is comprised between 1 and 10, in which at least one of R9, R10, R11, R12, R13 and R14 is a C1-C10 alkyl group or a C2-C10 alkenyl group.

The invention discloses a vacuum plasma coating machine which comprises a first shell, a vacuum shell is arranged on one side of the first shell, an operation table is arranged on the outer surface of the vacuum shell, a winding trolley is arranged on one side of the vacuum shell, and the winding trolley is located in the first shell. An evaporation vehicle is arranged on the other side, away from the first shell, of the vacuum shell, an evaporator is arranged at the bottom end of the interior of the vacuum shell, a film coating drum is arranged above the evaporator and connected to a winding vehicle through a rotary drive, a sliding plate is arranged below the vacuum shell, and the sliding plate is connected to the winding vehicle through a rotary drive. The winding vehicle and the evaporation vehicle are both in sliding connection with the sliding plate, a vacuumizing device is arranged on one side of the vacuum shell, a coating thickness detection unit is arranged above the coating drum, and the device solves the problem that the thickness of a metal film coated by current traditional coating equipment is not uniform easily.

A multi-color application method and device for an aluminum alloy wheel. The method is used for preparing a wear-resistant ceramic layer on a surface of the aluminum alloy wheel by using a plasma coating (PLMC) system, includes the steps of: pretreating the wheel, spraying an insulating powder coating, curing an insulating powder coating, making a multi-color pattern, cleaning the multi-color pattern, forming a PLMC, performing blocking, performing water washing, drying the PLMC, forming a transparent powder coating, curing a transparent powder coating, forming the PLMC includes preparation of a ceramic film at a multi-color application position, an electrolyte is a phosphate-silicate system, and the PLMC system is provided with: a power supply, a mechanical arm and a plurality of oxidation tanks, the mechanical arm plays a supporting role in wheel transportation and an oxidation process; and the oxidation tanks are used to prepare the PLMC with different colors in the electrolyte.

The invention discloses a plasma-cold spraying process optimization method for a titanium alloy piston rod and the piston rod, and relates to the technical field of process optimization. The method comprises the steps that a system-level performance target of a target titanium alloy piston rod is obtained, and a first process constraint condition is defined according to the system-level performance target; a data-driven coupling influence quantification model set is established in combination with prior knowledge; determining a second ideal thickness of the plasma coating based on a first process constraint condition and the coupling influence quantification model set, and determining a first strengthening thickness of the cold spraying coating according to the second ideal thickness; and in combination with the second ideal thickness and the first strengthening thickness, interface bonding process parameter optimization of plasma-cold spraying is carried out, and an interface bonding process parameter optimization result and standard process parameter output are combined as a process optimization result. The interface bonding strength and the functional stability of the titanium alloy piston rod composite coating are effectively improved.

Method for producing a final surface (10) on at least one exposed metallic surface (2) of a printed circuit board (1) comprising the steps - Coating the at least one exposed metallic surface (2) with an electrically conductive adhesion promoter (4), - Applying an electrically conductive surface protective layer (5) comprising metallic components to the adhesion promoter (4) by means of an atmospheric plasma coating process, wherein - particles (8) made of metal are applied by means of an atmospheric plasma coating process and the protective layer consists of an inorganic-organic hybrid polymer with corrosion protection properties or an acylate.

The invention relates to a device (1) and a method for plasma coating containers (3). The device (1) comprises a reaction chamber (2) for receiving a container (3) to be coated, a magnetron (5) which includes an anode (7) enclosing a cavity (6), a cathode (8) arranged in the cavity (6), a heating device (9) acting on the cathode (8), a magnet arrangement (10) acting in the cavity (6), a high-frequency conductor (11) connecting the magnetron (5) to the reaction chamber (3), and an electrical supply circuit (12) connected to the magnetron (5). The electrical supply circuit (12) comprises a high-voltage supply (13) with a transformer (14) having at least one first coil (15) and a second coil (16) magnetically coupled to the first coil (15). The second coil (16) is connected to the cathode (8) and the anode (7).According to the invention, the first coil (15) is connected to a switchable DC voltage supply (17).

The present disclosure relates to a method for coating a surface with a coating equipment. The receptacle which was used for shipping the surface to be coated to the location of the coating equipment and will be used for shipping the coated surface outside the location is also used as a coating drum inside the coating equipment. The present disclosure also relates to a coating equipment suitable to accommodate the receptacle which was used for shipping the surface to be coated to the location of the coating equipment and will be used for shipping the coated surface outside the location.

The utility model relates to compact type coiled material plasma coating equipment which comprises a bottom frame, a vacuum box, a vacuum generating mechanism, a winding and unwinding mechanism, an electrode mechanism and a plurality of chemical monomer vaporization units, an air exhaust assembly in the vacuum generating mechanism is arranged at the upper end in the vacuum box, and a plurality of first through holes are formed in the bottom of the vacuum box; each first through hole is connected with a chemical monomer vaporization unit, the electrode mechanism comprises an electrode plate and a power source, the electrode plate is arranged in the vacuum box and located above the first through holes, the coiled material is located between the electrode plate and the air exhaust assembly, and a plurality of second through holes are formed in the electrode plate; the projection of each first through hole on the electrode plate in the vertical direction does not coincide with or intersect with any second through hole. The first through hole for introducing the chemical monomer steam, the electrode plate, the coiled material and the air exhaust assembly are sequentially arranged from bottom to top, and the relative positions of the first through hole and the second through hole are arranged, so that the distribution uniformity of plasmas is improved, and the coating uniformity 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.

The invention relates to a method for plasma coating of an object comprising an object profile, comprising the steps of: a. providing an exchangeable shroud (2) comprising a jet inlet (22), a nozzle outlet (24) and a sidewall (21) extending from the jet inlet to the nozzle outlet, wherein the nozzle outlet comprises an edge (25) substantially coinciding with at least a part of the object profile, and whereby the shroud comprises an identification means, preferably in relation to the nozzle outlet edge; b. detachably attaching the exchangeable shroud to a jet outlet of a plasma jet generator; c. placing the object at the nozzle outlet such that the object profile fits the nozzle outlet edge within a distance of at least 0.1 mm and preferably at most 5 mm, thereby minimizing the gap between the nozzle outlet and the object; d. plasma coating the object with a low-temperature, oxygen-free plasma at an operating pressure higher than atmospheric pressure, preferably at most 10% above atmospheric pressure, by providing a plasma jet in the shroud via the plasma jet generator and injecting a coating precursor into the plasma jet in the shroud, thereby generating said operating pressure, thereby plasma coating the object in an oxygen-deficient plasma zone, whereby the method comprises the additional step of identifying the provided shroud prior to providing the plasma jet.

A device for extracting ions and / or electrons from a plasma has a grid (1) and a grid holder (2), on the circumference of which the grid (1) is fastened. According to the invention, the grid (1) is configured as an expanded metal grid. The invention further also provides a plasma source, a plasma coating device, and a method for producing an interference layer or interference layer systems.

The utility model discloses a kind of round tube inner wall coating devices, it is related to microwave plasma coating technical field, including microwave solid source, coaxial connector and microwave plasma main body, microwave plasma main body includes metal outer cavity, the resonant column of fixedly arranged in metal outer cavity inner one end, the dielectric nozzle of movably arranged in metal outer cavity inner other end, the metal cover plate of dielectric nozzle locking on metal outer cavity, the nozzle front end connected on dielectric nozzle, and the microwave coupling rod of being arranged in metal outer cavity;Dielectric nozzle part is set on the resonant column, coaxial connector passes through metal outer cavity and is connected to the resonant column by microwave coupling rod, nozzle front end part extends out metal cover plate;Nozzle front end is slender tube, the inner diameter of nozzle front end can be as low as 1mm, the end of nozzle front end away from dielectric nozzle one end is provided with plugging assembly, and the end side wall of nozzle front end is uniformly distributed with several small holes.The device can be uniformly coated in the inner wall of slender round tube at low cost and high efficiency.