595 results about "Plasma surface" patented technology

The invention relates to the technical field of composite film preparation, in particular to a multi-layer co-extrusion nano ceramic coating high-barrier medicine packaging composite film and a preparation method thereof.The multi-layer co-extrusion nano ceramic coating high-barrier medicine packaging composite film comprises a base material layer, a gas barrier layer, a bonding transition layer and a nano ceramic functional coating; the base material layer comprises the following components in parts by mass: 80-100 parts of biaxially oriented polypropylene; 20 to 30 parts of metallocene linear low density polyethylene; 5 to 8 parts of nano titanium dioxide; 0.5 to 1 part of beta-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid; and 0.3 to 0.6 part of calcium stearate. Through the multi-layer co-extrusion and gradient curing technology and the five-layer co-extrusion technology, it is ensured that the thickness of a base film is uniform and interlayer bonding is firm, the adhesive force of the coating is enhanced through plasma surface treatment, and activity retention and uniform distribution of functional components are guaranteed through the segmented curing strategy of the nano ceramic coating; compared with a traditional hot-pressing compounding or solvent coating process of the composite film, the energy consumption and the solvent residue risk are greatly reduced, meanwhile, the production efficiency and the product consistency are improved, and large-scale application is provided for medicine packaging.

The invention relates to the technical field of composite copper foils, in particular to a production process of a multifunctional composite copper foil, the composite copper foil and application of the composite copper foil. The invention provides a production process of a multifunctional composite copper foil. The production process comprises the following steps: S1, baking a carrier layer; s2, performing surface treatment through plasma treatment; s3, coating a film on the baked carrier layer through magnetron sputtering to form a bottom layer; s4, evaporating a vacuum evaporation layer on the base layer through vacuum evaporation; s5, plating a copper layer on the vacuum evaporation layer through water electroplating; and S6, slitting the sample. According to the production process, by optimizing the baking conditions, the sputtering technology and the evaporation parameters and introducing the plasma surface treatment technology, the binding force of the copper film and the base material is improved, the pinhole rate is reduced, the production efficiency and the coating uniformity are remarkably improved, and the product quality is improved. The problems that in the existing composite copper foil production process, the binding force between a copper film and a base material is poor, the pinhole rate of the copper film is high, the deposition speed is low, and the coating uniformity is poor are solved.

The invention relates to the technical field of sole processing, in particular to a sole composite processing method, which comprises the following steps: according to the rigidity requirement of an arch support area, preparing high-density slurry in which silicon nitride ceramic powder accounts for 30-40%, forming # imgabs0 # crystal phase through microwave-assisted sintering, and controlling the porosity to be 10-20%; according to the energy rebound requirement of the forefoot buffer area, graphene oxide / carboxymethyl cellulose aerogel powder is added into the slurry until the concentration is 25%, and the porosity is increased to 40-60% by combining the honeycomb porous network design; a nano silicon dioxide reinforcing agent is introduced into a wear-resistant area of the heel to 15%, a diamond-like carbon coating is formed through plasma surface treatment, and the porosity is limited to be 5-15%. According to the invention, silane is encapsulated by adopting polyurea microcapsules, and is released only when the material is damaged, so that dynamic self-repairing is realized, the shoe sole is endowed with dynamic repairing capability, and the service life is prolonged.

The invention relates to the technical field of plasma surface particle flow detection, and discloses a plasma surface particle flow detection probe, which comprises a base, the base is provided with a first mounting hole penetrating from the top surface to the bottom surface, the base is internally provided with a first cooling cavity, the first cooling cavity is used for introducing a cooling medium, and the first cooling cavity is communicated with the first mounting hole; the insulating sleeve is inserted into the first mounting hole; the probe column is inserted into the insulating sleeve, one end of the probe column is provided with a probe head used for being in contact with plasma, and the probe column is connected with a wire. According to the plasma surface particle flow detection probe provided by the invention, heat flow deposited in the probe can be quickly removed, the service life is prolonged, and detection can be carried out for a longer time.

The invention discloses a glass fiber reinforced epoxy resin composite material and a preparation method thereof, and relates to the technical field of composite materials, and the preparation method comprises the following steps: carrying out organic solvent immersion treatment, cleaning and drying on glass fibers to obtain pretreated glass fibers; respectively carrying out phytic acid modification treatment on the pretreated glass fibers and hollow alumina microspheres; performing plasma surface treatment on the glass fibers and the hollow aluminum oxide microspheres subjected to the phytic acid modification treatment; mixing and dispersing epoxy resin, a curing agent, the glass fibers subjected to plasma surface treatment and the hollow aluminum oxide microspheres according to a preset mass ratio; carrying out vacuum degassing on the mixture; and injecting the degassed mixture into a mold for step-by-step curing. The preparation method has the beneficial effects that active groups are introduced to the surfaces of the glass fibers through phytic acid treatment, the number of the active groups is further increased by combining plasma surface treatment, and the interface bonding capacity of the glass fibers and an epoxy resin matrix is remarkably improved.

The invention relates to a preparation method and system of a high-performance electronic tag in the field of electronic tag manufacturing, and the method comprises the steps: obtaining the working parameters of a high-frequency / NFC electronic tag in a high-temperature environment, analyzing the conductivity change trend of an antenna material, building a mathematical model of the influence of the high-temperature environment on the antenna material, and obtaining the high-performance electronic tag according to the model. Adjusting the component proportion of the antenna material to obtain an optimized antenna material formula; on the basis of optimizing an electromagnetic shielding scheme, comprehensive performance data of a high-frequency / NFC electronic tag in different environments are collected, a performance prediction model under the coupling action of multiple environmental factors is established, the model is adopted to simulate the working state of the tag in a complex working condition, and the performance stability of the tag is judged; after an antenna pattern is precisely processed, characteristic data of all layers of materials of the high-frequency / NFC electronic tag are collected, a relation model of material characteristics and bonding strength is established, and interlayer bonding force is enhanced by adopting a plasma surface treatment technology, so that an optimized bonding process scheme is obtained.

The invention discloses a plasma surface activation pre-bonding-femtosecond laser connection integrated process, belongs to the technical field of advanced dissimilar material precision connection, and particularly relates to a multi-material interface efficient connection method based on plasma surface activation pre-bonding and femtosecond laser processing. The method is suitable for high-strength and low-thermal-damage heterogeneous bonding of transparent materials (such as glass, quartz and sapphire) and transparent materials or metal materials (such as titanium alloy, stainless steel and invar alloy). According to the method, interface atomic-scale cleaning and chemical activity regulation and control are achieved through plasma activation, interface connection of the two materials is induced by combining the femtosecond laser ultrafast nonlinear effect, and the bottlenecks that in a traditional connection technology, optical contact depends on a mechanical clamp, and heat input is uncontrollable are broken through; and an innovative solution is provided for cross-material interface functional manufacturing in the fields of photoelectric device packaging, optical-electronic integrated systems and the like.

The invention relates to the technical field of medical instruments, and discloses an implantable neural electrode for long-term electrophysiological signal monitoring and a preparation method and application thereof. The neural electrode comprises an upper hydrogel insulation packaging layer, a lower hydrogel insulation packaging layer, an electrode site, a connecting line and a bonding pad, wherein the electrode site, the connecting line and the bonding pad are arranged between the upper hydrogel insulation packaging layer and the lower hydrogel insulation packaging layer, and the electrode site and the bonding pad are connected through the connecting line. The electrode sites, the connecting lines and the bonding pads are made of conductive hydrogel; the upper hydrogel insulation packaging layer and the lower hydrogel insulation packaging layer are made of insulation polymers and hydrogel. The insulating polymer is a plasma surface-modified insulating polymer. The preparation method of the neural electrode is simple and efficient, biotoxic materials are not introduced in the preparation process, good biocompatibility is achieved, continuous monitoring in a living body can be achieved for one year, important application value is achieved for studying signal response and neural circuits of all brain regions, and a beneficial tool is provided for long-term in-vivo monitoring.

The invention discloses a melt blending preparation process of a semiconductive shielding material for an ultrahigh-pressure crosslinked polyethylene cable, which comprises the following steps: S1, premixing low-density polyethylene and an ethylene-vinyl alcohol copolymer in proportion, the vinyl alcohol chain segment content of the ethylene-vinyl alcohol copolymer being 25%-45%; s2, performing plasma surface treatment on carbon black, and compounding the carbon black with carbon nanotubes to form a conductive filler system; s3, under the protection of inert gas, adding the matrix resin in the step S1 and the conductive filler in the step S2 into a double-screw extruder in stages, and synchronously adding a hindered phenol and phosphite compound antioxidant; and S4, carrying out segmented mixing under the temperature gradient of 160-210 DEG C. Through synergistic compounding of the plasma surface modified carbon black and the carbon nanotubes and in combination with a staged feeding process, directional dispersion of the conductive filler is realized, a three-dimensional interpenetrating conductive network is formed, and the local electric field homogenization capability of the ultrahigh-voltage cable is remarkably improved.

The invention relates to the field of school uniform fabric production, in particular to a preparation method of an environment-friendly quick-drying school uniform fabric, which comprises the following preparation steps: S1: material selection, S2: fiber functionalization treatment, S21: plasma surface modification, S22: enzymatic polishing, S3: blended yarn preparation and fabric weaving, S4: fabric dyeing, S5: multifunctional composite finishing, S51: spraying of a waterborne polyurethane coating, S52: ozone washing water softening, s6, carrying out post-treatment; the regenerated polyester, the organic cotton and other raw materials are adopted, the regenerated polyester is made of recycled PET plastic bottles and is environmentally friendly and economical, polar groups on the surface of the regenerated polyester are activated through plasma surface modification, the hygroscopicity is greatly improved, the quick-drying performance is enhanced, and by means of a unique double-layer honeycomb mesh structure and a double-strand yarn optimization treatment mode, the moisture absorption performance is greatly improved. A multidirectional moisture guiding channel is formed, and the moisture evaporation rate is increased, so that the prepared school uniform fabric is environment-friendly, durable and comfortable while maintaining high-breathability and quick-drying performance.

The invention provides an airflow drying and surface modification technology for lemon fibers, relates to the technical field of lemon surface processing, and realizes the whole process optimization of lemon fiber production through ultrasonic-microwave synergistic extraction, pulse type ultrasonic-hot air coupling airflow drying, low-temperature plasma surface modification and an intelligent control system based on Q-learning. The pectin yield is increased by about 20% through ultrasonic-microwave synergistic extraction, the extraction time is shortened by 50%, flow drying is assisted by double-frequency ultrasonic waves and magnetized water mist, the drying time is shortened by 50%, the energy consumption is reduced by 20%, the fiber softness is improved by 15%, the fiber is endowed with 99% antibacterial rate and excellent hydrophilicity through low-temperature plasma modification, chemical reagents are not needed, and environmental pollution is reduced. The intelligent control system converts waste liquid into ethanol and lactic acid through real-time data optimization and closed-loop resource utilization, zero waste discharge is achieved, the ethanol yield is increased by 12%, the additional value of lemon peel byproducts is remarkably increased, and the method is suitable for the fields of food and materials and conforms to the green chemistry concept.

The invention relates to the technical field of cable materials, in particular to a flame-retardant efficient cross-linked polyolefin cable body and a preparation method thereof. The cable body comprises a polyolefin matrix, 2, 4-dihydroxy-6-methyl benzamide, an intumescent flame retardant, dicumyl peroxide, an antioxidant, a light stabilizer and a lubricant, wherein the polyolefin matrix is subjected to synergistic modification by phosphorus-nitrogen heterocyclic silane-plasma. The preparation method of the polyolefin matrix synergistically modified by phosphorus-nitrogen heterocyclic silane-plasma comprises the following steps: performing grafting reaction on polyolefin resin and phosphorus-nitrogen heterocyclic silane under the action of an initiator, and performing plasma surface treatment to endow the material with dual active sites. The preparation method comprises the following steps: melting and granulating a polyolefin matrix subjected to phosphorus-nitrogen heterocyclic silane-plasma synergistic modification, small organic molecules and auxiliaries, and performing extrusion molding under a crosslinking condition to obtain a cable body. The material disclosed by the invention has comprehensive advantages in flame-retardant efficiency, crosslinking degree and mechanical property, and is suitable for manufacturing high-safety power cables.

The invention relates to the technical field of organic light-emitting display, and discloses a preparation method of a silicon-based OLED micro-display, which comprises the following steps: S1, cleaning a silicon-based CMOS driving circuit substrate containing an electrode, and removing surface pollutants; s2, performing plasma surface treatment on the substrate through argon, nitrogen or oxygen; s3, forming a molecular layer on the surface of the electrode through a self-assembly monomolecular layer technology; s4, depositing a protective film material on the surface of the treated electrode through a solution deposition method; s5, the protective film is removed through laser etching, and the surface of the electrode is exposed; and S6, cleaning and patterning the electrode by using a developing solution, and further carrying out electrode welding. The surface of the electrode is treated by adopting a self-assembly monomolecular layer technology, and the polarity and the adhesive force of the surface of the electrode can be remarkably enhanced through modification of an amino silane solution, so that the bonding strength among all layers of materials is improved.

The invention relates to a plasma surfacing flux-cored wire resistant to abrasive wear and a preparation method of the plasma surfacing flux-cored wire. The plasma surfacing flux-cored wire comprises an outer skin and a flux core. The flux core comprises the following components in percentage by weight: 1.6 percent to 3.8 percent of C, 0.4 percent to 1.0 percent of Si, 0.4 percent to 1.2 percent of Mn, 2.10 percent to 4.1 percent of B, 15.0 percent to 24.0 percent of Cr, 4.1 percent to 7.2 percent of Nb, 4.3 percent to 7.7 percent of W, 0.1 percent to 0.5 percent of La and the balance of Fe; and the outer skin is a cold-rolled carbon steel strip. The flux-cored wire has the advantages that welding layer metal obtained through plasma surfacing by adopting the flux-cored wire has high comprehensive mechanical properties, the hardness can reach HRC65 or above after surfacing is conducted for 2-3 mm, the flux-cored wire is used for protection of easily-abraded positions of agricultural equipment, and the service life of the agricultural equipment is greatly prolonged.

The invention discloses a rubber tube surface jet printing process, which belongs to the field of rubber tube production, and comprises the following steps: a rubber tube passes through a plasma surface processor, a first ink-jet printer, a second ink-jet printer and a dryer in sequence to complete surface jet printing treatment of the rubber tube, the plasma surface processor, the first ink-jet printer, the second ink-jet printer and the dryer are sequentially arranged in the axial direction of the rubber pipe. The plasma surface processor is adopted for conducting plasma cleaning on the surface of the rubber tube, impurities on the surface of the rubber tube can be removed through plasma cleaning, polar groups are attached to the surface of the rubber tube, the free energy of the surface of the rubber tube is improved, and the adhesive force of ink on the surface of the rubber tube can be remarkably improved; and secondly, a protective coating is sprayed on the outer part of the printing ink mark, and the protective coating plays roles of water resistance, oil resistance, fouling resistance, corrosion resistance and the like on the printing ink mark, so that the stability of the printing ink in a use environment is improved under the condition that the marking effect of the printing ink mark is not influenced.

The invention discloses vacuum coating equipment for coating an anti-fingerprint film and a coating method. The coating method comprises the following steps: performing plasma activation treatment on the surface of a glass substrate to form an activated substrate; a gradient transition layer is deposited on the surface of an activated substrate, a Cr-Si composite transition layer with continuously changing components is formed by alternately adjusting sputtering power of a metal target and a non-metal target, a fluorocarbon polymer main film layer is deposited on the transition layer substrate, and C4F8 gas is controlled by adopting a pulse magnetron sputtering process to generate an anti-fingerprint functional layer substrate with uniform thickness; stepwise in-situ annealing treatment is carried out, and a densified composite film layer structure is formed through segmented heating and heat preservation; performing plasma surface modification on the surface to form a low-surface-energy chemical group, and finishing functional treatment; through combination of a composite coating process and an intelligent control technology, cooperative regulation and control of anti-fingerprint film interface strengthening, function construction and structure optimization are realized in a single vacuum environment.

The invention discloses a preparation process of open-cell organic silicon foam, and aims to solve the problems of non-uniform pore structure, low aperture ratio and difficulty in performance balance in the prior art. The process comprises the following steps: optimizing parameters through bubble nucleation, pore connectivity and a mechanical property model; preparing a composite raw material containing polysiloxane, a fluorine-containing monomer, nano silicon dioxide and hollow microspheres; dynamic pressure circulation and ultrasonic-assisted pre-foaming are adopted; performing staged gradient foaming and curing; and carrying out vacuum post-treatment and plasma surface modification. According to the invention, accurate regulation and control of multi-scale pores are realized, air permeability, mechanical properties and hydrophilicity are significantly improved, heat insulation and high temperature resistance are accidentally improved, process efficiency is improved, by-product emission is reduced, and the method is suitable for the fields of aerospace, filtration and biomedicine.

The utility model relates to wafer plasma surface activation equipment, and belongs to the technical field of equipment for processing semiconductor components. According to the utility model, gas molecules in the chamber are effectively excited through a high-intensity magnetic field generated by the ICP coil, so that high-density and high-activity plasma is formed; the I CP reactor is arranged on the upper side of the activation chamber, the activation chamber and the I CP reactor are isolated through the insulating ceramic isolation plate, I CP electromagnetic induction can penetrate through the isolation plate, and the isolation plate not only ensures the leakproofness of the activation chamber, but also effectively isolates the high-temperature environment of the I CP reactor. The adverse effect of the high temperature in the I CP reactor on the activation chamber is prevented; the I CP coil is arranged between the inner cylinder and the outer cylinder, the heat dissipation fan is arranged on the outer cylinder, and the heat dissipation coil pipe is arranged in the activation chamber, so that the heat dissipation effect is improved, and the temperature in the activation chamber can be effectively reduced.

The invention discloses a preparation process of fiber aramid fiber with high electromagnetic shielding performance, which comprises the following steps: step 1, dissolving an aramid fiber polymer in concentrated sulfuric acid to form a spinning solution; step 2, adding a nano conductive material and a magnetic material into the spinning stock solution, and treating the mixed solution by adopting an ultrasonic-high-speed shearing synergistic dispersion technology for 30-60 minutes; step 3, extruding the mixed solution into a coagulating bath through a wet spinning process, and performing multi-stage stretching, washing and drying to obtain nascent fibers; 4, performing high-temperature heat treatment and plasma surface modification on the nascent fiber to enhance the continuity of the conductive network; and step 5, coating the surface of the fiber with a polydopamine-metal composite layer. The invention belongs to the technical field of high-performance fiber preparation, and particularly provides a preparation process of fiber aramid fiber with high electromagnetic shielding performance, which optimizes filler selection, a dispersion process and fiber structure design, is high in electromagnetic shielding effectiveness, is suitable for a lightweight environment, and is high in environmental adaptability.

The invention relates to the technical field of material surface engineering, and discloses a plastic surface treatment process to solve the problems that in the prior art, a plastic surface coating is poor in adhesive force and single in function, and a traditional treatment method is not environmentally friendly. The process sequentially comprises the following steps: pre-treating a base material, and obtaining a clean and stress-free base material through ultrasonic cleaning and thermodynamic stress elimination; performing low-temperature plasma surface activation, performing physical bombardment and chemical modification on the plastic surface by utilizing plasma of specific process gas in a vacuum environment, introducing a large number of active functional groups, and remarkably improving the surface energy; and preparing and applying the functional nano coating, namely forming firm covalent bonds by using the coupling agent in a coating solution containing functional nano particles and a coupling agent and the anchor points, so that the chemical coupling of the functional coating and the plastic substrate is realized.

The invention discloses a wiredrawing aluminum laminated film and a preparation method thereof, and belongs to the field of films. The wiredrawing aluminized film comprises a wiredrawing base material, a polyurethane coating and an aluminized layer which are arranged in sequence, the polyurethane coating is formed by curing a polyurethane coating, the polyurethane coating is subjected to plasma surface treatment, and the polyurethane coating comprises a waterborne polyurethane dispersion liquid, a diluent and water which are compounded according to the weight ratio of 1: (0.5-1): (0.5-1); the waterborne polyurethane dispersion liquid is prepared from the following raw materials in parts by weight: 2-8 parts of double-end hydroxypropyl polysiloxane; 15 to 20 parts of polyether polyol; 15 to 20 parts of diisocyanate; 3-6 parts of a chain extender; 5-9 parts of a hydroxyl acrylate monomer; 2-5 parts of an acrylate monomer; 1 to 3 parts of single-ended vinyl polysiloxane; and 80-90 parts of water. The method has the advantages that the adhesive force of the aluminum layer is improved, and the durability of the wiredrawing aluminum laminated film is improved.

The invention relates to the technical field of water electrolysis devices, bipolar plates and coating materials, in particular to a metallic compound coating, a preparation method thereof and a modified bipolar plate. The metal compound coating is used for covering the surface of the bipolar plate of the water electrolysis device, and the preparation method of the metal compound coating comprises the following steps: by taking the bipolar plate of the water electrolysis device as a substrate, depositing a titanium nitride coating on the surface of the substrate by adopting a pulse laser deposition process; and then oxygen permeation is conducted on the titanium nitride coating through a plasma surface oxygen permeation technology, and the titanium oxynitride coating with the oxygen content changing in a gradient mode is formed. According to the invention, a layer of titanium oxynitride coating with gradient change of oxygen content is generated on the surface of the titanium bipolar plate by mainly adopting a pulse laser deposition technology and a plasma oxygen permeation technology, and the titanium oxynitride coating has corrosion resistance and conductivity; the problems that according to an existing composite coating preparation method, due to interface defects and stress concentration between different coatings, the protective performance of the coatings is reduced, and the long-term stability of the coatings is affected are solved.

The invention discloses a sweat glucose detection bandage and a preparation method thereof, a hydrophobic layer OTS film and a UVO or plasma surface treatment technology are introduced to enhance the comparison between a hydrophobic region and a hydrophilic region, and an accurate patterned wettability surface can be simply and conveniently obtained, so that PEDOT: PSS is accurately deposited in a channel region and a grid region. In addition, due to the fact that the OTS treatment is conducted on the two faces of the bandage, after the UVO treatment is conducted on the single face of the bandage, the hydrophilic and hydrophobic difference is formed on the two faces of the bandage. Due to the structure, retention and diffusion of liquid on the surface are reduced, one-way flow of the detected liquid is effectively guided, and accuracy and stability of sweat glucose detection are ensured.

The invention discloses a biomedical gradient high-entropy composite strengthened coating with an interstitial strengthening phase and a preparation method of the biomedical gradient high-entropy composite strengthened coating, the coating is prepared through a double glow plasma surface metallurgy technology, a laser cladding technology and a magnetron sputtering technology, the performance of a high-entropy alloy can be effectively improved through interstitial solid solution strengthening of the high-entropy alloy, and the coating is easy to prepare; the plasma solid-state surface metallurgy technology has the technical advantages of strong binding force, high surface modification efficiency, low cost, adaptability to various complex workpiece shapes and the like; the laser cladding technology has the advantages of high deposition rate, low coating dilution rate, high cooling rate, controllable hardness and thickness, strong adhesion between the coating and a substrate, high film-substrate bonding strength and the like; and the magnetron sputtering technology has the advantages of high deposition rate, high film layer purity, good compactness, uniform film formation, good film-substrate binding force and the like, so that the strength, hardness, wear resistance, corrosion resistance and biocompatibility of the medical implant material clinically used are improved.

The invention discloses a preparation method of a novel mixed metal oxide coating titanium electrode, and relates to the technical field of electrode preparation, the method comprises the following specific steps: titanium substrate pretreatment: a titanium plate is sequentially subjected to gradient polishing with 120-800-mesh abrasive paper, the polished titanium substrate is subjected to hydrochloric acid solution etching, argon plasma surface activation and drying treatment, and a titanium substrate is obtained; obtaining a clean substrate surface with proper roughness; through the low-temperature plasma treatment, pulsed bias magnetron sputtering and laser-induced atomic layer deposition (LA-ALD) combined technology, the binding force of the coating and the titanium substrate is remarkably improved, high-energy particles are used for bombarding the surface of the titanium substrate in the low-temperature plasma treatment, residual impurities are effectively removed, the surface roughness and active sites are increased, and the surface hardness of the titanium substrate is improved. In the pulsed bias magnetron sputtering process, the surface of the substrate is further cleaned through periodic ion bombardment, atomic diffusion and mixing between the coating and the substrate are promoted, a transition layer structure is formed, and therefore the binding force is greatly enhanced.

The invention discloses a manufacturing method capable of improving metallization quality of a stepped platform or a counter bore. The manufacturing method comprises the following steps: drilling holes in a production board; a counter bore or a concave platform is formed in the position, corresponding to the milling groove, of the production board in a depth-controlled milling groove mode; carrying out plasma surface treatment on the production board so as to coarsen the surface of the counter bore or the platform and remove glass fiber burrs generated on the surface of the counter bore or the platform after board milling; and sequentially carrying out copper deposition and full-board electroplating treatment on the production board so as to metallize the counter bore or the platform. According to the method, the plasma surface treatment procedure is added after the counter bore or the platform is milled, so that the surface of the platform is coarsened, glass fiber burrs generated after plate milling on the surface of the counter bore or the platform are removed, and the quality problems of copper sheet damage, copper particles, blistering and the like after metallization caused by burrs and insufficient coarsening degree on the surface of the platform are solved.

The invention discloses a medium-entropy (Zr, Ta, W) C coating and a preparation method and application thereof. The medium-entropy (Zr, Ta, W) C gradient coating is prepared on the surface of the titanium alloy or the iron-based alloy through the double-layer glow plasma surface metallurgy technology, and gradient temperature annealing treatment is conducted. The preparation method has the specific advantages that (1) the prepared coating is of a continuous gradient structure, good interface metallurgical bonding is formed between the coating and a matrix, the bonding force of the coating is not lower than 50 N, and the coating is not prone to cracking and stripping in the service process due to the high bonding strength; and (2) the hardness of the medium-entropy (Zr, Ta, W) C coating prepared by the method is 25-30 GPa, the fracture toughness is 4.0-5.0 MPa * m < 1 / 2 >, and the coating system has balanced hardness and toughness, so that the coating is endowed with excellent wear resistance. The prepared coating has excellent wear resistance and antifriction performance, and has wide application prospects in the field of wear-resistant protective coatings.

The invention belongs to the technical field of photovoltaic backboards, and particularly relates to a high-reflection integrally-formed backboard for a single-glass assembly and a preparation method thereof.The preparation method comprises the following steps that S1, a PET film base material is provided, plasma surface treatment is conducted, then polyurethane coating is coated on the two sides to form an outer-layer weather-proof fluorine coating and an inner-layer functional coating respectively, and the outer-layer weather-proof fluorine coating and the inner-layer functional coating are formed; a CPC backboard base material is obtained; s2, white high-reflection EVA granules are fused and plasticized, a white EVA adhesive film is obtained through extrusion of a hanger type T-shaped flat die head, then the white EVA adhesive film is compounded with the inner functional coating of the CPC backboard base material, and a firm complex without a definite physical interface is obtained through rolling; s3, cooling the composite body through at least two stages of cooling rollers to obtain a coiled material; and S4, the coiled material is irradiated, and the high-reflection integrally-formed backboard is obtained.

The invention relates to the technical field of lime manufacturing, and provides a process and a system for manufacturing high-purity lime. The process comprises the steps of raw material pretreatment, plasma surface pretreatment, segmented atmosphere calcination, sound wave reinforced mass transfer, heat energy comprehensive utilization and intelligent control, rapid cooling, flue gas treatment and finished product packaging. The system comprises a raw material pretreatment unit, a plasma surface pretreatment unit, a multi-section gradient atmosphere calcining kiln, a sound wave reinforced mass transfer system, a heat energy comprehensive utilization and intelligent control system, a carbon dioxide capturing and recycling unit and a finished product cooling and packaging unit. Through raw material deep purification, surface activation treatment, gradient calcination and atmosphere accurate control, sound wave mass transfer reinforcement, intelligent optimization regulation and control, rapid cooling and flue gas purification and resource recovery, the purity and the reaction activity of a calcium oxide product are synergistically improved, and the production energy consumption and pollutant emission are remarkably reduced; and high-efficiency, clean and resource production of the high-purity lime is realized.

The invention relates to a preparation method of a PTFE-based copper-clad plate and application of the PTFE-based copper-clad plate, in particular to the field of preparation of high-frequency and high-speed copper-clad plates, and the preparation method comprises the following steps: sequentially carrying out plasma surface treatment, metal film plating and copper layer plating on a copper-clad surface of PTFE to obtain the PTFE-based copper-clad plate; the film layer obtained by plating the metal film comprises one or a combination of at least two of a copper film, a nickel film and a gold film. According to the preparation method provided by the invention, the surface of the PTFE film is activated by adopting a plasma surface treatment process, then the binding force of the copper plating layer and PTFE is improved by depositing the metal thin layer on the surface and matching with activation, and meanwhile, the PTFE-based copper-clad plate obtained after the copper plating layer is plated still has good dielectric properties.