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228 results about "Coating system" patented technology

Preparation method and application method of high-performance optical fiber coating modified by polymer grafted carbon nanotubes

The application discloses a preparation method and application method of a high-performance optical fiber coating modified by polymer grafted carbon nanotubes, and the preparation method comprises the following steps: pre-treating carbon nanotubes to obtain brominated carbon nanotubes; performing grafting treatment on the brominated carbon nanotubes through photocatalytic atom transfer radical polymerization to obtain polymer grafted functionalized carbon nanotubes; and mixing the polymer grafted functionalized carbon nanotubes with a prepolymer, an active diluent and a photoinitiator to obtain the required high-performance optical fiber coating. The carbon nanotubes are grafted with polyacrylate polymer chains on the surface, which can improve the dispersibility of the carbon nanotubes in the coating system, ensure the long-term stability and functional effectiveness of the carbon nanotubes in the coating, overcome the problems of poor compatibility and uneven dispersion of existing carbon-based composite coatings, improve the mechanical properties and thermal stability of the optical fiber coating, enhance the bonding strength between the coating and the optical fiber, and provide a new perspective for the preparation of high-performance optical fiber coatings.
Owner:JIANGSU HENGTONG OPTICAL FIBER TECH +1

Sputtering target

This invention relates to a sputtering target (10), a coating system (30), and a coating method thereof. The sputtering target (10) includes a base (12) with a target plate (14) fixed to the base and made of a first sputtering material. The target plate has a surface (16) and a plurality of recesses (18) formed in the surface. A plurality of inserts (20) are arranged in the recesses (18). At least some of the inserts (20) are made of a second sputtering material, wherein the second sputtering material has a higher sputtering rate than the first sputtering material. The object of the invention is to obtain a particularly uniform coating. This is achieved by molding the inserts (20) made of the second sputtering material such that the lengths (D1, D2) of the inserts, measured in a direction parallel to the surface (14), increase in the depth direction (T) from the surface (14) to the base (12).
Owner:CEMECON AG

A highly efficient catalyst for hydrosilylation reactions and its preparation method

ActiveCN121945164BReduce reactivityGood release effectPolymer sciencePtru catalyst
This application relates to the field of hydrosilylation, and in particular to a highly efficient catalyst for hydrosilylation reactions and its preparation method. This application provides a method for preparing a microcapsule-form catalyst, which first modifies methyl-terminated hydroxyl silicone oil with silazane, and then forms a microcapsule coating system with paraffin, thereby improving the release performance of the microcapsule coating system, so that the catalyst has low reactivity in the early stage of release, thereby improving the uniformity of the reaction process inside the silicone rubber, and thus improving the transparency and overall strength of the silicone rubber.
Owner:YICHANG ZEMEI NEW MATERIAL CO LTD +1

System for powder coating with intervention unit

A dry powder coating system is provided. The system includes sensors configured to detect attributes for a coating comprised of powder particles. The powder particles are deposited onto a web by a powder deposition unit. The system includes a treatment unit disposed downstream of the powder deposition unit and configured to apply a treatment to the coating, and an intervention unit. A processing device is configured to execute instractions stored in a memory to perform operations including, in response to a deviation between the attributes for the coating detected by the one or more sensors and a set of acceptable attributes, activating the intervention unit to at least one of remove a section of the deposited coating from the web causing the deviation, adjust operation of the treatment unit, or adjust operation of the web.
Owner:AM BATTERIES INC

Systems and methods for coating a bioreactor substrate

PendingUS20260185027A1Coating systemCell culture media
A method of coating a cell culture substrate in situ in a bioreactor is provided that includes providing a bioreactor vessel having a cell culture chamber with an inlet for flowing fluid into the cell culture chamber and an outlet for flowing fluid out of the cell culture chamber, and a cell substrate disposed in the cell culture chamber for culturing cells. The method includes providing a coating solution for coating the cell substrate; inputting the coating solution into the cell culture chamber such that the coating solution contacts the cell substrate; and removing an excess of the coating solution from the cell culture chamber. After removing the coating solution, a coated cell substrate remains in the cell culture chamber.
Owner:CORNING INC

A SiCf / SiC composite material with ultra-high temperature ceramic gradient coating, its preparation method and application

This invention discloses a SiC with an ultra-high temperature ceramic gradient coating. f / SiC composite materials, their preparation methods, and applications. A double-layer glow discharge plasma surface metallurgical method is used to prepare SiC composite materials. f A (Hf,Si,Ta)C gradient composite coating was prepared on the surface of the SiC composite material. This coating was able to resist SiC in an oxygen atmosphere at 1773 K. f Effective protection of SiC composite materials. The specific advantages of this invention are: (1) Ion bombardment of the substrate significantly improves the point defects and conductivity of the composite substrate; (2) The (Hf,Si,Ta)C coating has a continuous gradient structure, forming a good metallurgical bond between the coating and the substrate, with high bonding strength; (3) The similar thermal expansion coefficients of the (Hf,Si,Ta)C coating and the substrate can improve the thermal mismatch between the coating and the substrate, reducing the tendency for coating peeling and cracking during service; (4) The (Hf,Si,Ta)C coating system has a high service temperature and self-healing ability. The coating prepared by this invention has excellent high-temperature protection performance, improving the protection of SiC. f The high-temperature service life of SiC composite materials has broad application prospects in the aerospace field.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Dry electrode coating system and method

The present invention relates to a dry electrode coating system and method, the system comprising: a dry mixing unit for producing an active material by mixing precursor materials; a complex mixing unit for producing an electrode by mixing the active material with a conductive material and a binder; a dry coating unit for thickly applying the produced electrode to a current collector; and a winder for winding the coated current collector.
Owner:NANO & TECK CO LTD

Fluorine-free hydrophobic coating

PendingCN122180900ACoatingsOptical partsAnti-reflective coatingFree energies
An optical article comprising a coating system that imparts anti-reflective properties and hydrophobic properties to the optical article. The coating system includes a hard coating layer on a lens substrate, and alternating layers of a low refractive index metal oxide and a high refractive index metal oxide deposited on the hard coating layer as an anti-reflective coating, or alternating layers of a medium refractive index metal oxide and a high refractive index metal oxide deposited on the hard coating layer as an anti-reflective coating. A fluorine-free hydrophobic coating composition is deposited on the anti-reflective coating to reduce the surface free energy of the anti-reflective surface of the optical article and to improve the overall cleaning performance of the lens surface by rendering the lens surface hydrophobic.
Owner:HOYA OPTICAL LABS OF AMERICA INC

Multilayer coating systems obtained from block copolymer containing basecoat compositions

Disclosed herein is a multilayer coating system present on a substrate and including at least three coating layers L1, L2 and L3 different from one another, namely a first pigmented coating layer L1 applied over at least a portion of the substrate, a second coating layer L2 applied over the first pigmented coating layer L1, and a third coating layer L3 applied over the second coating layer L2, where the second coating layer L2 is formed from a coating composition including at least one block copolymer containing a backbone and at least two blocks B1 and B2 and side chains S1 and S2 including different polymeric moieties M1 and M2. Also disclosed herein are a method of preparing said multilayer coating system, a coated substrate obtainable therefrom, and a method of using a coating composition including the block copolymer for improving the chromaticity of the multilayer coating system.
Owner:BASF COATINGS GMBH +2

A high-temperature resistant and corrosion-resistant composite film for liquid metal environments and its preparation method

PendingCN122303889ACoating systemLiquid metal
This invention provides a high-temperature resistant and corrosion-resistant composite film for use in liquid metal environments and its preparation method. The high-temperature resistant and corrosion-resistant composite film comprises an inner passivation layer, an intermediate barrier layer, and an outer functional layer sequentially fixed to the surface of a metal substrate. The inner passivation layer is an oxide; the intermediate barrier layer is an amorphous material; and the outer functional layer is a ceramic material. This invention ensures adhesion through the oxide passivation layer, blocks diffusion through the amorphous barrier layer, and provides stability and self-healing properties through the ceramic material functional layer. Through the synergistic effect of these three layers, it protects structural materials in contact with liquid metals, extends equipment life, and improves system safety and economy, solving the problems of poor protection and performance degradation inherent in traditional single-coating systems.
Owner:HANGZHOU TIANGA TECHNOLOGY CO LTD

Marking coating system and production system for parts to be coated

This application discloses a marking coating system and a production system for parts to be coated. The marking coating system of this application is used to coat photosensitive paint onto the marking positions of parts to be coated, and includes a spraying device, an image detection component, and a photocuring device. The spraying device sprays photosensitive paint onto the marking positions of the parts to be coated to form a photosensitive paint film. The image detection component is disposed on the discharge side of the spraying device and is used to detect the size of the photosensitive paint film sprayed onto the marking positions. The photocuring device is located on the discharge side of the spraying device and is spaced apart from the spraying device. The image detection component is located between the spraying device and the photocuring device, and the photocuring device emits light to cure the photosensitive paint film onto its surface. Coating the marking positions with an electrolyte-resistant photosensitive paint film reduces the wettability of the electrolyte liquid on the solid surface of the QR code coating, making it less prone to spreading and adhesion of the electrolyte, thereby protecting the clarity of the QR code coating area.
Owner:JIANGSU CONTEMPORARY AMPEREX TECH LTD

A uniform coating system

The application provides a uniform glue system and relates to the technical field of photoetching processes. The uniform glue system comprises a light source, a projection fixture and a base. The light source is used for projecting light. The projection fixture is located below the light source. The base is located directly below the projection fixture and is used for fixing and rotating the substrate with the central straight line as the axis. The projection of the light source after the projection fixture is projected on the upper surface of the base, and the shape and size of the projection profile correspond to the substrate respectively, and are used for positioning the substrate. The central straight line passes through the center of the base and is perpendicular to the upper surface of the base. The technical scheme can realize non-contact and rapid centering operation of the substrate, and can solve the technical problem that the substrate needs to use a clamp when being centered and is easy to scratch.
Owner:CHINA BUILDING MATERIALS ACADEMY CO LTD

A metal substrate thin film deposition device with adaptive conformal cooling

PendingCN122279516ACoating systemThin membrane
This invention discloses an adaptive bonding and cooling metal substrate thin film deposition apparatus, relating to the field of coating technology. It includes a coating chamber, a first movable frame, and a second movable frame. A vacuum system is installed outside the coating chamber, and a coating system is installed inside the coating chamber. Compared to current metal substrate thin film deposition apparatuses, this invention includes an adjustment component and a pressure roller. The adjustment component can adjust the distance and bonding pressure between the pressure roller and the coating roller in real time according to the thickness, tension, and temperature distribution of the substrate, so as to adaptively bond to the substrate surface and circulate cooling it. The pressure roller consists of a cooling section and two feeding sections. During the bonding process, the cooling section and the substrate form a rolling contact rather than sliding friction. This avoids damage to the substrate due to sliding friction when moving on the roller surface and improves the heat exchange efficiency between the outer wall of the cooling section and the substrate.
Owner:WUXI GUANGRUN VACUUM TECH CO LTD

A kind of anticorrosive coating for coastal steel structure and construction process

PendingCN122255819APretreated surfacesAnti-corrosive paintsEpoxyProduct inspection
This invention discloses an anti-corrosion coating for steel structures in coastal areas, comprising an epoxy zinc-rich primer layer, an epoxy micaceous iron oxide intermediate paint layer, and a fluorocarbon topcoat layer. The invention also includes a construction process for this anti-corrosion coating on steel structures in coastal areas, comprising the following steps: Step 1, pretreatment of the steel structure surface; Step 2, application of the epoxy zinc-rich primer; Step 3, application of the epoxy micaceous iron oxide intermediate paint; Step 4, application of the fluorocarbon topcoat; Step 5, finished product inspection and touch-up coating. This invention utilizes a three-layer composite anti-corrosion coating system consisting of an epoxy zinc-rich primer, an epoxy micaceous iron oxide intermediate paint, and a fluorocarbon topcoat. By introducing a water-based rust converter to optimize the surface pretreatment process, and combining precise control of key processes such as layered coating and curing, the adhesion between the coating and the steel structure substrate and the overall anti-corrosion durability are significantly improved. It exhibits excellent anti-corrosion performance and is suitable for anti-corrosion treatment of coastal steel structures such as port terminals, cross-sea bridges, and offshore platforms.
Owner:ZHEJIANG ZHEJIAN STEEL STRUCTURE CO LTD

High weatherability solar heat reflecting coating and preparation and use method thereof

This invention provides a high-weather-resistant solar heat-reflective coating and its preparation and application methods. The coating system consists of a low-surface-energy long-chain silane coupling agent, a low-surface-energy solvent, and functional pigment and filler nanoparticles. The preparation process is simple and mild, requiring no vacuum equipment or complex processes, effectively solving problems in existing technologies such as insufficient solar reflectivity, poor long-term weather resistance, and susceptibility to surface contamination. The long-chain silane coupling agent is selected from perfluorooctyltrichlorosilane, perfluoroquinolyltrichlorosilane, perfluorooctyltriethoxysilane, polydimethylsiloxane, or hexadecyltrichlorosilane; the low-surface-energy solution is selected from ethanol, propanol, or acetone; the pigment and filler nanoparticles include titanium dioxide, barium sulfate, aluminum oxide, calcium carbonate, silicon dioxide, or zinc oxide, with a particle size ranging from 10 nm to 5 μm. The volume ratio of each component is pigment and filler nanoparticles: low-surface-energy solution: long-chain silane coupling agent = 1–5: 5–10: 0.1–0.3.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

A high-conductivity corrosion-resistant coating for PEMWE hydrogen production titanium bipolar plates, a preparation method and applications

This invention discloses a highly conductive and corrosion-resistant coating for titanium bipolar plates used in PEMWE hydrogen production, its preparation method, and its application. The preparation method includes the following steps: Step 1: A Ti seed layer is deposited on a substrate using magnetron sputtering, with a Ti target power of 100~130 W and a substrate bias voltage of -100~-250 V; Step 2: A TiMo alloy transition layer is deposited on the surface of the Ti seed layer using magnetron sputtering; Step 3: A TiMoC composite layer is deposited on the surface of the TiMo alloy transition layer using magnetron sputtering. This invention modifies titanium bipolar plates through a three-layer coating system formed by Ti / TiMo / TiMoC. The Ti seed layer improves the adhesion between the coating and the substrate, the TiMo alloy transition layer enhances corrosion resistance, and the TiMoC composite layer improves conductivity while ensuring corrosion resistance. The resulting coating exhibits excellent comprehensive performance in the PEMWE hydrogen production environment.
Owner:XIHUA UNIV

Coating device and coating system

PCT designated stageWO2026115946A1Pretreated surfacesCoatingsCoating systemGas supply
Provided is a coating device that prevents uneven drying of a coating film formed on a substrate. Specifically, a coating device (100) comprises: a chamber (10) that accommodates a substrate (50); an applicator (20) that applies a coating liquid (30) to the substrate accommodated in the chamber to form a coating film (51) on the substrate; and a supply means (60) for supplying into the chamber a gas (32) obtained by vaporizing a solvent (31) contained in the coating liquid. The coating film is formed on the substrate in the chamber, in a gas atmosphere of the solvent gas supplied from the supply means.
Owner:TORAY ENG CO LTD

Parts coating system

UndeterminedES3073127T3Coating systemActuator
A part coating system comprises a conveyor belt (2) that longitudinally transports the parts (1) to be coated, non-motorized positioning supports (3) with a pressure tool (4) for pressing a coating material (5) onto the part, a memory containing the correspondence between the geometry of the part (1), the type of tool (4), and the positioning of each positioning support (3), and control means (14) that determine the reconfiguration positioning of each positioning support (3) upon the introduction of a part (1) with a different geometry. The system also includes a motorized actuator, such as a robot (6), configured to engage the positioning supports (3), disengage them, and reconfigure them according to the control means (14) and the geometry of the part (1) to be coated. Instead of a robot, the motorized actuator can be an electric drill.The positioning supports (3) preferably comprise a locking and unlocking mechanism.
Owner:BARBERAN LATORRE JESÚS FRANCISCO (100 00)

A multi-arc power supply control device in a vacuum arc coating system and a control method thereof

The present application belongs to the technical field of multi-arc power supply control in vacuum arc coating system, and particularly relates to a kind of multi-arc power supply control device and control method in vacuum arc coating system, comprising: host computer, intermediate conversion box, driving power supply, a plurality of arc power supplies, optical fiber A and a plurality of optical fiber B, monitor and cable; one end of the intermediate conversion box is connected with the host computer through optical fiber, the other end of the intermediate conversion box is connected with the plurality of arc power supplies through the plurality of optical fiber B respectively, the intermediate conversion box is also provided with a spare port, the spare port of the intermediate conversion box is connected with the monitor through the cable, and the intermediate conversion box is also connected with the driving power supply. The host computer control mode of the present application is parallel control, which improves the control speed, and the single instruction of the host computer is analyzed and decomposed into multiple instructions by the intermediate conversion box and sent to multiple arc power supplies, which meets the high real-time process requirements of coating.
Owner:SOUTHWESTERN INST OF PHYSICS +1

Coating apparatus, system, and method

The invention relates to a coating apparatus comprising a vacuum chamber (1) and a workpiece chamber (2), each of the chambers (1, 2) having an inner volume and a connection opening (3, 4) over which the vacuum chamber (1) and the workpiece chamber (2) are connected or connectable to each other, wherein the vacuum chamber (1) is provided with a vacuum device (5) adapted to generate a vacuum within the vacuum chamber (1) and the workpiece chamber (2), wherein a coating device (6) is adapted to provide a workpiece placed in the workpiece chamber (2) with a coating, wherein the vacuum chamber (1) is further provided with an interface (7), wherein the interface (7) can be brought into at least an open position and a closed position, and wherein in its closed position, the interface (7) separates the inner volume of the vacuum chamber (1) into two parts (8, 9), in particular in a vacuum-tight manner. The invention further relates to a coating system and a coating method.
Owner:PLASMATERIA GMBH

Nozzle assembly and coating system equipped therewith

A nozzle assembly and a coating system equipped therewith. The nozzle assembly (5) comprises a lip plate (51), a cover plate (52), and a clamped plate (53). The lip plate (51) is provided with a lip plate flow path (51a) and a receiving groove (51b). The lip plate flow path (51a) extends upward in the thickness direction of the lip plate (51) and penetrates the lip plate (51), while the receiving groove (51b) is located on one side in the thickness direction of the lip plate (51) and is used to receive fluid from outside the nozzle assembly (5). The lip plate flow path (51a) and the receiving groove (51b) are in fluid communication. The clamped plate (53) is located between the lip plate (51) and the cover plate (52), and the clamped plate (53) is provided with a notch (53a) extending upward from the bottom side of the clamped plate (53), the uppermost part of the notch (53a) is higher than or at the same height as the uppermost part of the lip plate flow path (51a). Therefore, the nozzle assembly can achieve accurate discharge and suppress the generation of fluid hammerhead.
Owner:NORDSON CORP

A single-element phase change memory material doped with a rare earth element gadolinium, and a preparation method and application thereof

The application discloses a single-element phase change memory material doped with a rare earth element gadolinium as well as a preparation method and application thereof. x Gd 100‑x 69.1 at.%≤x≤93.1 at.%, and is obtained by double-target sputtering of a Sb single-element target and a Gd single-element target in a magnetron sputtering coating system; the material successfully overcomes the inherent defect of poor thermal stability of a pure Sb thin film, has a higher crystallization temperature, a larger activation energy, a better data retention and an extremely low resistance drift compared to a traditional GST material, and provides a new material selection for realizing stable and reliable storage of a phase change memory under long-term and high-cycle working conditions.
Owner:NINGBO UNIV

An annealing apparatus and method for ultra-low-loss optical fibers

ActiveCN119219325BFiberCoating system
This invention discloses an annealing apparatus and method for ultra-low loss optical fibers. The annealing apparatus includes: a fiber preform heating system, an optical fiber annealing system, a swirl-type air intake system, a fish-mouth stacked ceramic tube system, a coating system, and a take-up system. The fiber preform heating system, optical fiber annealing system, swirl-type air intake system, coating system, and take-up system are arranged sequentially along the fiber entry direction. The fish-mouth stacked ceramic tube system is located within the optical fiber annealing system. This invention optimizes the airflow path in the annealing area through the fish-mouth stacked ceramic tube design, enabling the airflow to be evenly distributed in multiple directions, thereby achieving a more uniform temperature distribution and improving the mechanical and optical properties of the optical fiber. The swirl-type air intake method causes the incoming airflow to rotate, enhancing gas mixing and flow rate control, ensuring stable airflow during the annealing process, reducing unnecessary fluctuations, and improving optical fiber quality. It also improves the flexibility and adaptability of the annealing equipment to meet different production needs.
Owner:JIANGSU HENGTONG OPTICAL FIBER TECH +2

Organic fertilizer processing device and method based on livestock manure fermentation

This invention discloses an organic fertilizer processing device and method based on poultry and livestock manure fermentation, comprising a base, an organic shell mounted on the base, a circular hole in the middle of the shell, a coating system installed in the circular hole, the coating system comprising a circular box rotatably mounted in the circular hole, an annular material guiding cavity formed between the outer side of the circular box and the shell, a discharge port communicating with the material guiding cavity at the lower end of the shell, a collection box corresponding to the discharge port mounted on the base, and two sets of symmetrical end seats on the outer ring wall of the circular box, each end seat having an opening communicating with the material guiding cavity, a coating device mounted on the end seats and a spraying device for supplying coating atomized vapor liquid to the coating device in the circular box, and a rotation system for controlling the rotation of the circular box mounted on the shell.
Owner:PUYANG INSTITUTE OF TECHNOLOGY PREPARATION & CONSTRUCTION OFFICE (PUYANG INSTITUTE OF TECHNOLOGY HENAN UNIVERSITY) +1

A winding coating system

The utility model provides a kind of winding coating system, including the arrangement of roll-off chamber, at least one function room and winding chamber and substrate winding device in proper order, for the target substrate released from roll-off chamber is sequentially conveyed to winding chamber and is stored, still include valve puller device, for the vacuum valve of function room is extracted or withdrawn, to replace sputtering target material or evaporation filler installed in the inboard of vacuum valve.The winding coating system provided by the utility model sets valve puller device and extracts the vacuum valve of function room such as evaporation chamber or sputtering chamber to open or close corresponding function room, so that operating personnel quickly replace sputtering target material or evaporation filler installed in the inboard of vacuum valve, simplifies winding coating material replacement step and device cost is controllable, so that winding coating material replacement operation saves time and effort, to improve the winding coating efficiency of winding coating system, while each chamber does not need to break vacuum frequently, further improve the coating efficiency of winding coating system and reduce coating cost.
Owner:SHENZHEN JIEJIA XINCHUANG TECH CO LTD

Decoating methods

A method for decoating a glazing unit made of a glass panel with a glass sheet which is low in reflectance for RE radiation, where the glass panel has a bent portion with an axis of curvature. The glazing unit also includes a coating system which is high in reflectance for RF radiation disposed on the glass sheet over part of the bent portion. The decoating method includes: decoating a frequency selective surface on the coating system by decoating a matrix of decoated grids; each of the decoated grids has decoated regions in the form of grid lines arranged in a mesh-like manner; each of the decoated grids has a rectangular generic shape; and the decoating is performed by using a laser apparatus. Each of the decoated grids is inscribed in a specific rectangle paralleled to the axis of curvature, and each is oriented by an angle αmn.
Owner:AGC GLASS EUROPE SA

Preparation method and application of water-resistant fireproof adhesive for wood-based panels

PendingCN122278404AExtend the flame resistance timeevenly dispersedPhosphoric Acid EstersAdhesive cement
This invention relates to the technical field of adhesives, and discloses a method for preparing and applying a water-resistant and fire-retardant adhesive for wood-based panels, comprising the following steps: S1: Modifying titanium dioxide using a titanate coupling agent or a phosphate coupling agent to obtain hydrophobically modified titanium dioxide; S2: Dissolving urea in phosphoric acid, adding soluble starch and heating to react, then drying to obtain starch ammonium phosphate; S3: Mixing and stirring epoxy resin, epoxy resin curing agent, terminal epoxy silicone oil, hydrophobically modified titanium dioxide, starch ammonium phosphate, ammonium polyphosphate and ethyl acetate to obtain a water-resistant and fire-retardant adhesive. This invention optimizes each component to better suit the epoxy resin system, achieving the construction of a multi-component synergistic functional coating system. The components exhibit good compatibility and dispersibility, significantly improving overall adhesion, water resistance, durability, and coating density, while also possessing good flame retardancy.
Owner:TREEZO NEW MATERIAL TECH GRP CO LTD

A functional coating with both anticoagulant and antioxidant functions and a preparation method thereof

The application discloses a coating preparation method with anticoagulant and antioxidant functions, which comprises the following steps: step one, amino treatment is performed on the surface of a substrate; step two, double bond modification is performed on the amino surface; step three, an anticoagulant function layer is constructed through in-situ copolymerization; and step four, an antioxidant is grafted through ring-opening reaction of an epoxy group. The application further discloses a functional coating with anticoagulant and antioxidant functions. Through reasonable chemical structure design, the application realizes excellent anticoagulant and antioxidant performances in the same coating system, and effectively overcomes the limitations of the existing single-function coating. Meanwhile, the coating is firmly combined with the substrate through multilayer chemical covalent bonds, has high bonding strength and stability, and is not easy to fall off, so that the long-term implantation or long-term use requirement can be met.
Owner:CHENGDU MEDICAL COLLEGE