303 results about "UV coating" patented technology

The utility model discloses a UV (ultraviolet) coating production quantitative sampling mechanism, which relates to the technical field of coating sampling, and comprises a workbench and a storage device, the rear side of the top of the workbench is fixedly connected with a mounting frame plate, the front side of the mounting frame plate is fixedly connected with a fixing ring, the middle side of the top of the storage device is provided with an anti-precipitation mechanism, and the anti-precipitation mechanism is fixedly connected with the storage device. A sampling cup is arranged on the middle side of the bottom of the storage device, a positioning assembly is arranged outside the sampling cup, a fixing mechanism is arranged on the front side of the positioning assembly, mounting assemblies are arranged on the left side and the right side, close to the positioning assembly, of the top of the workbench correspondingly, and a positioning ring is fixedly connected to the outer wall of the storage device. The sampling cup is clamped and fixed in the connecting sleeve in the positioning assembly by operating the fixing mechanism, and is pushed forwards along the sliding rail in the mounting assembly through the sliding plate in the positioning assembly, so that the sampling cup is moved to the position under the bottom of the material storage device, and quantitative sampling is carried out by observing scale marks on the sampling cup.

The invention relates to the technical field of preparation of heat transfer films, in particular to a preparation process of a UV process heat transfer film, which comprises the following steps: base film selection, base film surface treatment, release agent selection, release agent coating, UV paint coating, bridging agent selection, printing, photocuring and film stripping: stripping the photocured transfer film from the base film to form the final UV heat transfer film. According to the UV heat transfer film prepared by the process, the adhesive force of the pattern layer and the UV coating layer is better, the compactness is higher, the product quality is improved, and the service life of the UV heat transfer film is prolonged; in addition, the efficiency is improved more quickly during curing, the residual adhesive rate is low after demolding and stripping, and the product quality is further improved.

The invention discloses an ink-uniformizing jet printing process for a battery UV insulating coating, which comprises the following steps: adding a first fluorescent marker and a second fluorescent marker in a UV coating material, the two fluorescent markers being capable of performing fluorescence resonance energy transfer to obtain a marked UV coating material; carrying out multi-position spectral characteristic acquisition on the micro-droplets formed by the UV coating material; dynamically tracking the spreading process of the micro-droplets; exciting the coating in the curing process by adopting multi-wavelength exciting light to obtain cross-linking degree distribution data; and carrying out thermoacoustic scanning on the coating. According to the technical scheme, real-time monitoring of cross-linking degree distribution in the curing process of the UV insulating coating can be achieved, the problem of non-uniform cross-linking of the coating can be found in time by monitoring the whole process of micro-droplet formation, spreading and curing in combination with fluorescence spectrum analysis and thermoacoustic detection technologies, and the quality of the coating is improved. And an effective quality control means is provided for ensuring the long-term reliability of the battery insulating coating.

The invention relates to the technical field of UV coatings, in particular to a waterproof wear-resistant UV coating for a floor and a preparation method of the waterproof wear-resistant UV coating. The waterproof and wear-resistant UV coating for the floor is prepared from the following raw materials in parts by mass: 30 to 60 parts of polyurethane acrylate, 20 to 40 parts of fluorinated epoxy acrylate oligomer, 20 to 40 parts of pentaerythritol tetraacrylate, 1 to 5 parts of tetraethoxysilane, 15 to 25 parts of hollow glass beads, 1 to 3 parts of ammonia water, 1 to 2 parts of trifluoropropane trimethoxysilane and 1 to 2 parts of amino-terminated polyamidoamine. The coating is prepared from 1-3 parts of graphene oxide, 1-2 parts of a photoinitiator, 1-2 parts of polytetrafluoroethylene wax, 0.5-1.5 parts of a dispersing agent, 1-2 parts of a flatting agent and 1-2 parts of a defoaming agent. The waterproof coating is excellent in waterproof effect, high in adhesive strength and excellent in dimensional stability; when the coating is subjected to mechanical actions such as friction and impact, the surface of a coated object is comprehensively protected, the wear rate is remarkably reduced, and the wear resistance is improved.

The invention provides an ultraviolet curing coating, a strippable coating and a preparation method of the ultraviolet curing coating and the strippable coating, and belongs to the technical field of coatings. The ultraviolet curing coating provided by the invention is prepared from the following components in parts by weight: 50 to 60 parts of light-cured resin oligomer, 15 to 25 parts of reactive diluent, 2 to 5 parts of glycidyl methacrylate, 5 to 8 parts of photoinitiator, 1 to 3 parts of glycidyl ether oxypropyl cyclotetrasiloxane, 1 to 3 parts of ultraviolet absorbent, 3 to 5 parts of filler and 1 to 3 parts of aluminum chelate. According to the invention, glycidyl methacrylate is added, so that more uniform photocuring can be promoted, and the comprehensive performance of a photocuring coating is improved; according to the invention, glycidyl ether oxypropyl cyclotetrasiloxane is added, so that a light-cured coating has excellent salt mist resistance, weather resistance and impact resistance; by adding the aluminum chelate, the peelability of the photocuring coating can be improved.

The invention discloses a full-automatic glass transfer printing control method and device, and the method comprises the steps: building a technological parameter database through automatic analysis of glass parameters and transfer printing parameters, achieving full-process parameter matching, reducing the manual trial and error time, collecting the edge image information of target glass, carrying out the centering positioning of the target glass, and carrying out the full-automatic correction through CCD vision. The positioning is more accurate; the printing ink viscosity and the printing ink temperature are monitored and adjusted to ensure the printing ink quality, the pressure of a coating scraper is set based on the surface roughness of the glass to carry out screen printing UV coating, the current coating ink layer thickness is collected in real time, the coating efficiency is improved, the printing ink utilization rate is improved, and the coating quality and precision are ensured; and the coated target glass is conveyed to an imprinting station, the pressure of a compression roller is adjusted based on the texture depth of the film material and the thickness of the glass, so that the grains on the film material are imprinted to the target glass, cooperative dynamic control of imprinting and UV curing is completed, high-efficiency imprinting is achieved, meanwhile, imprinting precision is guaranteed, and the defect rate is reduced.

The invention relates to the technical field of digital coating of solid wood, in particular to a three-section digital coating process for an odor-free anti-aging crack-resistant solid wood water paint board. The process comprises the following steps: S1, working section: base coat composite coating: coating four base coat coatings; s2, working section: performing digital pattern composite coating, including coating of three floating coatings; and S3, a water paint surface layer is subjected to composite coating, wherein coating of four surface coating layers is included. According to the three-section type digital coating technology, the problems that a solid wood paint panel is poor in aging resistance and crack resistance and poor in odor removal effect, and the stability and consistency of the optimal effect cannot be guaranteed by the solid wood feeling are solved; and the problems that the paint surface feeling of a solid wood paint panel of a pure UV coating system is not high-grade and high-end enough, and the surface effect, the surface performance and the environment-friendly and odor-removing performance are not extremely high enough are solved.

The invention belongs to the technical field of high polymer material preparation, and particularly relates to a UV curing coating with an electromagnetic shielding effect and a preparation method of the UV curing coating with the electromagnetic shielding effect. The invention relates to a light-sensitive ink which comprises the following components in parts by weight: 20-50 parts of a monofunctional diluent, 10-30 parts of a bifunctional diluent, 10-30 parts of toughened resin, 3-10 parts of a photoinitiator, 0.5-2 parts of a blue pigment and 10-30 parts of self-made magnetic core-shell rubber particles. The UV curing coating with the electromagnetic shielding effect prepared by the invention not only has the advantages of high photocuring speed, high efficiency and the like of a conventional UV curing coating, but also has excellent impact strength while having the electromagnetic shielding effect due to the adoption of the self-made magnetic core-shell rubber particles after being cured; and meanwhile, the UV curing coating has relatively good storage stability.

The invention provides an electroplating strengthening method for an aluminum alloy wheel. The electroplating strengthening method comprises the following steps: forming a periodic microstructure on the surface of the aluminum alloy wheel by utilizing a laser micro-etching technology; immersing the wheel into a supercritical carbon dioxide cleaning system to clean oil stains and oxidation films; after cleaning, spraying an active coating containing nano titanate; a high-compactness plating layer is formed in a pulse current electroplating mode; a chemical nickel-phosphorus plating layer and a hard chromium plating layer containing nano metal particles are sequentially formed on the surface of the wheel; performing hole sealing treatment on the electroplated layer by using low-temperature plasma; and coating and curing a flexible UV coating containing an ultraviolet light absorber on the surface of the electroplated layer to form the anti-aging protective film. According to the invention, a novel double cleaning-activating step is adopted in the pretreatment process, and special pre-plating passivation treatment is combined, so that tight combination of an electroplated layer and an aluminum alloy substrate is ensured, and the adhesive force grade reaches 5B, which is obviously superior to that of a traditional process.

The invention relates to the technical field of UV coatings, and discloses an environment-friendly UV curing coating for a thin film aluminum plating process and a preparation method thereof.The preparation method comprises the steps that polyethylene glycol diglycidyl ether, N-(4-carboxyl phenyl) phthalimide and acryloyl chloride serve as raw materials, acrylate phthalimide polyethylene glycol containing two alkenyl groups is prepared, and then the environment-friendly UV curing coating for the thin film aluminum plating process is prepared; the modified epoxy resin is used as a reactive diluent, is subjected to a photocuring reaction with epoxy acrylate, contains a flexible polyether molecular chain, and is crosslinked and cured into epoxy resin, so that a very good toughening effect is achieved, and the flexibility, impact resistance and bending strength of a coating are improved. According to the present invention, the aluminum sheet is adopted as the base material, the thermal stability phthalimide structure is contained, such that the coating maintains the good thermal decomposition temperature and the good heat resistance, the aluminum sheet is adopted as the base material, the coating has the good adhesion and the good adhesion property, and the good practical application in the film aluminum plating process is provided.

The utility model discloses an automotive trim composite material, comprising: a stone layer made of a natural or nature-imitating material with lines, the thickness of the stone layer being 0.1-3 mm; the coating is a polyethylene or UV coating sprayed on the upper surface of the stone layer, and the thickness of the coating is 0.002-1.2 mm; the framework layer is arranged on the lower surface of the stone layer so as to form the basic thickness and strength of the composite material; wherein the stone layer and the framework layer are fixed into a whole in a bonding mode. The automotive trim composite material has the advantage of low cost; and moreover, the production yield is high, and the personalized aesthetic requirements of the automotive trim can be quickly met.

The present application relates to thermal insulation coating technical field, specifically to a kind of low VOCs ultraviolet resistant thermal insulation coating composition and its performance testing device, consisting of the following mass parts components: water-based acrylic resin 30-45 parts, nitrogen-doped graphene 1-3 parts, nano composite powder 2-5 parts, low water absorption and expansion glass microsphere 8-12 parts, silane coupling agent modified sepiolite 5-10 parts, silane coupling agent KH560 0.5-1.5 parts, ultraviolet absorber UV-9 0.3-0.8 parts, hydroxyethyl cellulose thickening agent 0.2-0.5 parts;Composition meets the following conditions: (1) VOCs content≤50g / L;(2) ultraviolet absorption rate≥95%;The present application realizes the purpose that VOCs content is far lower than traditional solvent type coating through the synergistic effect of water-based acrylic resin system and low water absorption and expansion glass microsphere, while nitrogen-doped graphene and nano ITO-SiO2 Composite powder form ultraviolet-infrared dual-effect shielding layer, ultraviolet absorption rate, infrared reflectivity greatly improve, solve the problem that traditional anti-UV coating function is single, VOCs is overproof.

The utility model discloses an automotive trim composite material, comprising: a stone layer made of a natural or nature-imitating material with lines, the thickness of the stone layer being 0.1-3 mm; the protective layer is a PV (Polyvinyl) or UV (Ultraviolet) coating coated on the upper surface of the stone layer, and the thickness of the coating is 0.002-1.2 mm; and the injection molding layer is arranged on the lower surface of the stone layer so as to form the basic thickness and strength of the composite material. The automotive trim composite material has the advantage of low cost; and moreover, the manufacturing process is simple, and personalized aesthetic requirements on the automotive trim can be quickly met.

The invention provides an organic silicon modified perfluoropolyether UV anti-fingerprint agent and a preparation method thereof. The method comprises the following steps: adding organic silicon modified perfluoropolyether into a fluorocarbon solvent, and adding an alcohol compound containing a propenyl terminal group and a catalyst for reaction to obtain a hydroxyl-containing organic silicon modified perfluoropolyether solution; the preparation method comprises the following steps: adding an acid-binding agent into a hydroxyl-containing organosilicon modified perfluoropolyether solution, and slowly dropwise adding acryloyloxy chloride for reaction to obtain a crude product; and adding an organic alcohol compound into the crude product for treatment, carrying out liquid separation and standing, taking out subnatant, and carrying out rotary evaporation to obtain the organic silicon modified perfluoropolyether UV anti-fingerprint agent. According to the method disclosed by the invention, the problem of compatibility of the perfluoropolyether-based anti-fingerprint agent and the UV coating is solved under the condition of reducing the fluorocarbon solvent through chemical synthesis. In the curing process, the perfluoropolyether-based anti-fingerprint agent part is quickly migrated to the surface of the UV coating, and in-situ curing and crosslinking are achieved.

The invention relates to the field of water-based UV (ultraviolet) antistatic coatings, in particular to a water-based UV antistatic coating which comprises 40-60 parts of water-based acrylic resin; 5 to 10 parts of tung oil; 5 to 10 parts of rosin resin; a preparation method of the functional film; the method comprises the following steps: 1, preparing a coating, 2, adjusting the state of the coating, and 3, curing to form a film. According to the water-based UV coating, the water-based acrylic resin, the tung oil and the rosin resin are adopted as main constituent materials of the coating, and other additives also adopt low-toxicity and low-irritation environment-friendly materials, so that the prepared water-based UV coating can reduce the VOC emission of the coating and improve the green and environment-friendly properties of the coating, and by adding the antistatic agent and the antistatic monomer into the coating, the anti-static property of the coating is improved. The surface resistance of the coating can be effectively reduced, the antistatic effect of the coating can be kept for a long time, and the coating is ensured to reach an ideal curing state in a short time by adopting a light-heat dual-curing mode when the coating is cured to form a film.

The invention discloses a polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating and a preparation method of the polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating. The photocureable coating is prepared from the following components: 10 to 60 percent of polycarbonate acrylate, 5 to 20 percent of urethane acrylate, 10 to 60 percent of reactive diluent, 1 to 5 percent of photoinitiator and 0 to 60 percent of solvent. Comprising the following steps: (1) reacting polycarbonate diol with methacrylic anhydride to obtain polycarbonate acrylate; (2) carbonating the allyl glycidyl ether by using carbon dioxide to obtain corresponding five-membered cyclic carbonate, and reacting with diamine to obtain urethane acrylate; and (3) uniformly mixing the obtained product with a reactive diluent and a photoinitiator to obtain the ultraviolet curing coating. The polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating obtained by the invention is a biodegradable environment-friendly coating, a non-isocyanate polyurethane synthesis route is adopted, the use of isocyanate is avoided, and the coating shows excellent flexibility and pencil hardness on a PC (polycarbonate) base material.

The present invention provides an organosilicon-modified-perfluoropolyether-based UV anti-fingerprint agent and a preparation method therefor. The method comprises the following steps: adding an organosilicon-modified perfluoropolyether to a fluorocarbon solvent, adding an alcohol compound containing a propenyl-terminated group and a catalyst thereto, and reacting same, so as to obtain a hydroxyl-containing organosilicon-modified perfluoropolyether solution; adding an acid-binding agent to the hydroxyl-containing organosilicon-modified perfluoropolyether solution, and slowly adding, in a dropwise manner, an acryloyloxy chloride, and reacting same, so as to obtain a crude product; and adding an organic alcohol compound to the crude product for a treatment, subjecting same to liquid separation, leaving same to stand, taking out a subnatant, and subjecting same to rotary evaporation, so as to obtain an organosilicon-modified-perfluoropolyether-based UV anti-fingerprint agent. By means of chemical synthesis, the method of the present invention solves the problem of compatibility between a perfluoropolyether-based anti-fingerprint agent and a UV coating, whilst reducing the amount of fluorocarbon solvent. During the process of curing, the present invention further achieves the rapid migration of part of the perfluoropolyether-based anti-fingerprint agent to the surface of the UV coating for curing and cross-linking in situ.

The invention discloses a UV cross-linked high-performance battery diaphragm and a preparation method thereof.The preparation method comprises the steps that at least one face of a base membrane is coated with UV coating liquid, drying and ultraviolet lamp irradiation are conducted after the UV coating liquid is coated every time, the UV cross-linked high-performance battery diaphragm is obtained after all coating is completed, and the UV coating liquid comprises a substance A, a photoinitiator and a solvent, and the substance A is a monomer and / or an oligomer. According to the invention, polymerization of the monomer and / or oligomer is initiated by ultraviolet radiation to form a cross-linked structure, so that the heat resistance and mechanical properties of the diaphragm are improved, the probability of rupture or damage of the diaphragm is reduced, and the application range of the diaphragm in a high-temperature environment is widened. While the air permeability of the diaphragm is guaranteed, the heat resistance and the mechanical property of the diaphragm are greatly improved, and meanwhile, the ionic conductivity of the diaphragm is also improved. In addition, the adhesive property is better than that of a ceramic coating film, and the risk that the coating falls off is reduced.

The utility model relates to the technical field of numerical control reciprocating UV spraying lines, in particular to a numerical control reciprocating UV spraying line which comprises a conveying seat, a rack is fixedly connected to the upper end of the conveying seat, three sets of partition plates are inserted into the upper end of the rack and located in the rack, and a spraying chamber and a curing chamber are formed between the three sets of partition plates and the inner wall of the rack. A spraying assembly is slidably connected to the position, located in the spraying chamber, of the top of the inner wall of the rack. An ultraviolet lamp panel is fixedly connected to the position, located in the curing chamber, of the top of the inner wall of the rack. The spraying chamber and the curing chamber are adjacent to each other and are located in the same rack, so that an object is timely irradiated and cured by ultraviolet light emitted by an ultraviolet lamp panel after being sprayed with a UV coating through the spraying assembly, the situation that dust and other impurities are prone to being attached to the surface of the sprayed object in the conveying process is prevented, and the spraying chamber and the curing chamber are isolated through a partition plate; the UV spraying effect is prevented from being influenced by the outside of the rack, and the spraying chamber and the curing chamber do not influence each other.

The invention relates to the technical field of laser cutting devices, in particular to a cutting device for semiconductor device processing, which comprises a UV (ultraviolet) covering film, a positioning mechanism for fixing the position of the UV covering film, a transmission frame for mounting the UV covering film and transmitting and moving the UV covering film, a laser cutting mechanism and a film expanding and particle taking mechanism, the output mechanism is used for moving the taken crystal grains out of the protective cover; by arranging the laser cutting mechanism, the film expanding and particle taking mechanism and the UV coating film, when a wafer is cut, the wafer is firstly attached to the surface of the UV coating film and cut by the laser cutting mechanism, after cutting is finished, the UV coating film moves to the position of the film expanding and particle taking mechanism along with the movement of the UV coating film, the laser cutting position automatically replaces a new UV coating film, and the cutting efficiency is greatly improved. Cutting treatment is continued, the film expanding and particle taking mechanism synchronously performs film expanding and particle taking at the moment, the process of cutting the UV coating film is omitted, meanwhile, the operation step of manual participation in the whole process is reduced, and the cutting efficiency can be effectively improved.

The invention relates to a glass temporary protection UV (ultraviolet) coating and a preparation method thereof. The glass temporary protection UV coating is prepared from anhydride modified polyurethane multifunctional acrylate, polyethylene glycol di (methyl) acrylate, acryloyl morpholine, dimethylacrylamide 1, methacrylic acid phosphate, a silane coupling agent, a photoinitiator, a leveling aid and the like. The radiation curing glass temporary protective coating provided by the invention has the advantages that the use is simple and convenient (curing can be completed within 1-2S to form protection), the film-forming adhesive force is excellent after the coating is irradiated by ultraviolet light with certain energy, the physical resistance of the coating film is good (scratching, scratching and peeling in the transportation, use and processing processes are avoided), and the coating film is easy to be separated after being soaked in alkaline water in the later period.

The invention provides bio-based hyperbranched unsaturated polyester, a UV curing coating and application of the bio-based hyperbranched unsaturated polyester and the UV curing coating. The bio-based hyperbranched unsaturated polyester is obtained through polycondensation of preparation raw materials including bio-based hydroxyl-terminated hyperbranched polyester, unsaturated binary acid and / or anhydride thereof and maleic acid modified polyolefin. The preparation raw materials of the UV curing coating comprise the following components in parts by weight: 20-60 parts of bio-based hyperbranched unsaturated polyester, 20-80 parts of an active diluent monomer and 2-7 parts of a photoinitiator. The hyperbranched unsaturated polyester disclosed by the invention is high in reaction activity, low in viscosity and low in shrinkage rate; the UV coating prepared from the resin is low in viscosity and can be coated in a roller coating mode, a cured coating is compact, MEK wiping resistance reaches more than 1000 times, glossiness attenuation is lower than 10% after UVB illumination is adopted for 1600 h, haze is lower than 1%, hardness and abrasion resistance are excellent, adhesive force to multiple base materials is good, and the UV coating is very suitable for being applied to optical films.

The invention provides a water-based ultraviolet curing coating with an antistatic function and a preparation method thereof, and the water-based ultraviolet curing coating comprises the following components in parts by weight: 100-200 parts of water-based polyurethane acrylate, 2-5 parts of a photoinitiator, 10-20 parts of a filler, 0.5-3 parts of an auxiliary agent, 10-20 parts of a nano antistatic agent and 20-50 parts of deionized water. Wherein the water-based polyurethane acrylate is polyether type water-based polyurethane acrylate, polyester type water-based polyurethane acrylate or a composition of any one or two or more than two of polyether type water-based polyurethane acrylate and polyester type water-based polyurethane acrylate. The innovation points of the invention are as follows: a polyaniline-graphene nanocomposite with a nanosheet microstructure is developed by taking a graphene nanosheet as a polymerization template, and short-fiber polyaniline is developed as a novel antistatic agent by taking a carbon nanotube as a material morphology and interface action regulator; the anti-static performance of the anti-static coating is greatly improved, an organic solvent does not need to be added, and the anti-static coating is environmentally friendly and also has good adhesive force, flexibility, water resistance and chemical stability.

The invention discloses a white UV coating easy to deeply cure and application of the white UV coating in a calcium silicate board coating. The white UV coating easy to deeply cure is prepared from the following components in parts by weight: 30 to 40 parts of polyurethane acrylate, 5 to 25 parts of reactive diluent, 10 to 20 parts of silane modified acrylic resin, 20 to 30 parts of nano TiO2 coated SiO2 with a core-shell structure and 3 to 5 parts of free radical photoinitiator. The white UV coating easy to deeply cure, which is prepared by mixing the raw materials, can form a high-strength, high-curing-rate and whiteness-adjustable UV curing coating on the surface of a calcium silicate board, can solve the industrial problem that the surface of a thick coating on the surface of the calcium silicate board is dry and the inside of the thick coating is not dry, and has a good application prospect in the field of building materials.

The invention belongs to the field of adhesive tape UV coating, and particularly relates to an adhesive tape UV coating device which comprises a coating device and a conveying device. The coating device comprises a first fixing seat, a glue storage machine is arranged at the top of the first fixing seat, a gluing cabin is arranged on one side of the glue storage machine, a glue spraying machine is arranged in the gluing cabin in a sliding mode, a variable-stroke reciprocating lifting driving device is arranged at the bottom of the glue spraying machine in a transmission mode, and the glue spraying machine is communicated with the glue storage machine through a hose; by starting the variable-stroke reciprocating lifting driving device in the coating device, the variable-stroke reciprocating lifting driving device drives the glue spraying machine to reciprocate up and down, and the stroke of the glue spraying machine to reciprocate up and down can be changed through the variable-stroke reciprocating lifting driving device.

The present application relates to the technical fields of UV coating, and discloses an environment-friendly UV curing coating for thin film aluminum plating process and a preparation method thereof, the present application uses polyethylene glycol diglycidyl ether, N-(4-carboxyl phenyl) phthalimide and acryloyl chloride as raw materials to prepare acrylate phthalimide polyethylene glycol containing two alkenyl groups, which is used as an active diluent to carry out a photocuring reaction with epoxy acrylate, contains a flexible polyether molecular chain, is crosslinked and solidified into an epoxy resin, has a good toughening effect, and improves the flexibility, impact resistance and bending strength of the coating. Moreover, the phthalimide structure has thermal stability, so that the coating has a good thermal decomposition temperature and heat resistance. The aluminum sheet is used as a base material, the coating has good adhesion and bonding properties, and has good practical application in the thin film aluminum plating process.

The utility model discloses a UVLED curing light source angle adjusting device, and belongs to the technical field of UVLED curing light sources, the UVLED curing light source angle adjusting device comprises a base and a UVLED curing lamp, the base is provided with a sliding module, the top of the sliding module is fixedly connected with a supporting frame, an inner cavity of the supporting frame is provided with a lifting mechanism used in cooperation with the UVLED curing lamp, and the UVLED curing lamp is arranged in the inner cavity of the supporting frame. An angle adjusting mechanism used for the UVLED curing lamp is installed on the lifting mechanism, the UVLED curing lamp is installed in the angle adjusting mechanism, and the UVLED curing lamp can be driven to achieve adjustment in the front-back angle range and the up-down angle range through cooperation of the sliding module and the lifting mechanism. And meanwhile, the arranged angle adjusting mechanism can drive the UVLED curing lamp to achieve angle adjustment of inclined overturning, so that the flexibility of angle adjustment of the UVLED curing lamp is improved, meanwhile, the curing effect of the UVLED curing lamp on UV ink, UV glue, UV coatings and the like is improved, and through cooperation of the arranged angle adjusting disc and the arranged indicating block, the indicating effect can be provided for the angle of the rotating mounting frame.

The invention relates to the technical field of preparation of UV coatings, and discloses a preparation method of a stain-resistant and wiping-resistant water-based UV matte coating. The preparation method comprises the following steps: S1, mixing talcum powder, barium sulfate, aluminum hydroxide and quartz powder to obtain the extinction powder. S2, mixing deionized water, dodecyl sulfate, waterborne polyurethane resin and an active monomer to obtain an emulsion; s3, potassium persulfate is taken and diluted with deionized water, and an initiation solution is obtained. And S4, polymerizing the emulsion and the initiation liquid to obtain latex A. S5, adding nano titanium dioxide, matting powder, a photoinitiator, a coalescing agent and triethanolamine into the latex, and mixing to obtain latex B; and S6, at normal temperature, taking a small amount of latex B for multiple times, and grinding to obtain the UV matte coating. The prepared UV matte coating has the advantages of being good in anti-settling property, good in permeability after curing, good in covering power and resistant to wear, shearing force is applied to the coating based on wet grinding, and the adverse effect of introduction of a flatting agent on the photocuring performance of the coating is avoided.

The invention relates to the technical field of UV (ultraviolet) coatings, in particular to a preparation method of a PVC (polyvinyl chloride) film photoetching process blister UV coating, which comprises the following steps: pouring a PUA (polyurethane acrylate) prepolymer and a modified diluent into a high-speed stirrer for uniformly mixing; adding the slow-release filler and the photoinitiator into the high-speed stirrer, and uniformly mixing to obtain a mixture; and carrying out filtering and defoaming treatment on the mixed material to prepare the PVC film photoetching process blister UV coating. According to the UV coating prepared by the invention, through combined use of the slow-release filler and the modified diluent, the wear resistance, self-healing performance and flexibility of a coating film are improved, so that the coating film can be better applied to a blister film, and the problem of coating film cracking or peeling caused by deformation of the blister film is effectively avoided.

The application provides a kind of super wear-resistant scratch-resistant UV coating, which is composed of the following components by weight percentage: modified polyurethane acrylic resin 100-150 parts, active diluent 20-40 parts, photoinitiator 4-6 parts, pigment-loaded foam alumina particles 3-10 parts, BYK 331 leveling agent 3-10 parts, auxiliary 0.5-2 parts; the particle size of the pigment-loaded foam alumina particles is 10-100 μm, and the porosity of the foam alumina is 80-97%. The application proposes a kind of super wear-resistant scratch-resistant UV coating and its preparation method, which forms micro-nano structure on the surface of the coating through the micron structure of foam alumina particles, the nano structure of pigment and the micro (nano) micropore of foam alumina particles, thereby improving the tribological properties of the coating, reducing friction and wear, and improving the friction-reducing and drag-reducing performance of the coating; the foam alumina has a porous structure with abundant pore structure, which can adsorb a large amount of pigment, making the pigment disperse uniformly, avoiding agglomeration when directly added to the coating, and making the color of the coating uneven.