241 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 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 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 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 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 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 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 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.

The present invention relates to a UV-curable paint composition having excellent scratch and contamination resistance.

The invention relates to the technical field of furniture manufacturing, and provides a compression molding method of a bamboo fiber composite material furniture table, which comprises the following steps: step 1, bamboo fiber pretreatment: immersing bamboo fibers into a NaOH solution with the mass fraction of 5-10%, treating for 1-2 hours at the temperature of 80-100 DEG C, washing with water until the bamboo fibers are neutral, and drying until the water content is less than or equal to 3%; 40%-60% of thermoplastic resin, 20%-35% of pretreated bamboo fibers, 10%-20% of inorganic filler, 3%-8% of flexibilizer and 2%-5% of flame retardant are evenly mixed according to the mass ratio, the inorganic filler is a mixture of nano calcium carbonate and wollastonite, and the mass ratio of the nano calcium carbonate to the wollastonite is 1: (1-3). Traditional wood is replaced with bamboo fibers, forest resource consumption is reduced, the UV curing coating is free of solvent volatilization, the curing time of the UV coating is shorter than or equal to 30 seconds, the surface hardness is larger than or equal to 3 H (pencil hardness), the abrasion resistance is improved by 50%, VOC emission is reduced by 90% or above, the intumescent flame retardant has a synergistic effect, and the oxygen index is larger than or equal to 28%.

The application discloses a kind of with gradient buffer structure and surface microtexture enjoy floor and its preparation method.The floor includes surface microtexture layer, gradient solidification UV coating, gradient buffer structure, substrate layer and fast lock buckle system.Surface microtexture layer has double texture of pit array and microprojection array, realize wet / dry state antiskid, easy cleaning and scratch resistance.Gradient buffer structure is made of surface layer microresponse layer, core energy absorption layer and bottom stress dispersion layer, realize nonlinear impact response, give consideration to walking stability and fall protection.Through finite element simulation to buffer layer predeformation compensation, eliminate warping;Pit edge stress concentration activates buffer layer, shortens impact response time 15%-25%.The application first realizes the integration of old and pet friendly function, is applicable to home old and pet family, with excellent buffering, antiskid, durable, easy maintenance performance.

The present application relates to the technical fields of high polymer material and ultraviolet (UV) curing coating, and particularly relates to an epoxy acrylate / itaconic acid derivative composite photocuring coating composition, a preparation method thereof, a photocuring coating layer and application.The photocuring coating composition comprises the following components in parts by mass: an epoxy acrylate / itaconic acid derivative composite photocuring resin: 40-80 parts; an active diluent: 20-60 parts; and a photoinitiator: 1-8 parts.The present application provides a bio-based monomer IG with high crosslinking activity, a green catalyst-free and solvent-free preparation method of the bio-based monomer IG, and an innovative petroleum-based / bio-based resin composite strategy and a coating composition thereof, so that the mechanical strength of the petroleum-based EA is efficiently enhanced, and meanwhile, the mechanical properties of the composite system still maintain a high level after the active diluent is added, the application range of the EA is expanded, and the petroleum-based resin is modified to be green and high-performance.

Disclosed is a waterborne UV curable coating composition comprising a first polyurethane acrylate resin and a second polyurethane acrylate resin, wherein the first polyurethane acrylate resin has a functionality of 6 or higher, the second polyurethane acrylate resin has a functionality of 4 or lower, and the first polyurethane acrylate resin comprises a moiety derived from a polycarbonate diol. Also disclosed is a coated substrate comprising a substrate and the waterborne UV curable coating composition applied on at least part of the substrate.

The utility model relates to the technical field of screening devices, in particular to a water-based UV coating re-screening device which comprises a filter box and a primary screening structure, the filter box comprises a box body and a dispersion frame, a primary dispersion net is fixedly installed in the box body, and the dispersion frame is fixedly installed at the top in the box body; and the primary screening structure comprises a secondary dispersion net, the secondary dispersion net is movably installed in the box body, the top of the secondary dispersion net is connected with the primary dispersion net in a clamped mode, waste discharge channels are formed in the two sides of the bottom of the secondary dispersion net in a penetrating mode, and a first filter net is fixedly installed on the bottom sides of the waste discharge channels. According to the utility model, the second-stage dispersion net is always in an up-and-down reciprocating motion state, the second-stage dispersion net is in contact with the bottom of the first-stage dispersion net during ascending to extrude a coating in a gap between the second-stage dispersion net and the first-stage dispersion net, so that the impact generated when the coating passes through the second-stage dispersion net and the first filter net and falls to the bottom of the second-stage dispersion net is accelerated; paint in the waste discharge channel is accelerated to pass through the first filter screen, and the filtering effect is improved.

The invention relates to the technical field of packaging box processing, and particularly discloses a UV coating treatment process for a color printing packaging box. The color printing packaging box UV coating treatment process comprises the following steps that S1, an alkaline water-based cleaning agent is used for pretreating the surface of a printing stock; s2, mixing the epoxy acrylate resin, the polyurethane acrylate resin and the reactive diluent to form a premixed solution; s3, adding a photoinitiator and nano silicon dioxide into the premixed solution, and dispersing at a high speed to obtain UV coating slurry; s4, uniformly coating the UV coating slurry on the surface of a printing stock; s5, the coated printing stock is preheated; and S6, the coating is subjected to ultraviolet curing through a mercury lamp. The UV coating treatment process for the color printing packaging box can be used for surface strengthening treatment of high-end packaging products such as electronic product packaging boxes and cosmetic packaging boxes, and has the advantages that the mechanical strength and toughness are synergistically improved, and the durability of the coating is enhanced.

This invention relates to the field of UV coating technology, specifically a method for preparing a PVC film photolithography-compatible UV coating, comprising: pouring PUA prepolymer and modified diluent into a high-speed mixer for uniform mixing; adding slow-release filler and photoinitiator to the high-speed mixer and mixing uniformly to obtain a mixture; and filtering and degassing the mixture to obtain a PVC film photolithography-compatible UV coating. The UV coating prepared by this invention, through the combined use of slow-release filler and modified diluent, improves the wear resistance, self-healing properties, and flexibility of the coating film, allowing for better application in blister packaging and effectively avoiding coating cracking or peeling caused by deformation of the blister packaging film.

The utility model belongs to the technical field of water cups, particularly relates to a cup with a silver-titanium inner container, and aims to solve the problem that a heat preservation water cup with a pure silver inner container and a titanium shell combined does not exist in the market. The titanium alloy cup body is fixedly mounted at the top of the cup bottom; the pure silver liner is arranged in the titanium alloy cup body; the silica gel cushion pad is arranged on the outer side of the pure silver liner; the stainless steel heat preservation layer is arranged on the outer side of the silica gel buffering cushion. The pure silver inner container is combined with the titanium shell, so that a pure silver inner container water cup with a stainless steel or other alloy shell in the current market is broken through, the use frequency of the pure silver inner container water cup is improved, the product rejection rate in production and transportation is reduced, and the production cost is reduced. The problems that a UV coating and a paint face on the surface layer of an existing product fall off, and the product is not resistant to abrasion, falling and corrosion and is heavy in weight are solved, the titanium cup is more convenient to carry, and the number of types of titanium cups without enough silver liners in the current market is increased.

The utility model relates to the technical field of plate spraying, and discloses a plate spraying device for ultraviolet curing coating, which comprises a recycling box, a bearing component is arranged at the top of the recycling box, a fixed vertical plate is arranged at the top of the bearing component, a fixed transverse plate is arranged at the top of the fixed vertical plate, and a fixed plate is arranged at the top of the fixed transverse plate. Mounting plates are arranged on the left side and the right side of the top of the bearing assembly correspondingly, and a coating box is arranged on the top of the fixed transverse plate. According to the plate spraying device for the ultraviolet curing coating, the liquid level observation assembly is arranged, when a liquid injection pipe injects materials, the liquid level rises, at the moment, a floating ball can drive a first extension rod, a second extension rod, a rectangular plate and an indicating needle plate to move upwards, and when the liquid level falls, the floating ball can drive the extending indicating needle plate to move downwards; at the moment, a worker can observe the height of the coating liquid level in the coating box in time through the scale line plate, the practicability of the device is further improved, and the worker can use the device conveniently.

Described herein are systems, methods, and articles of manufacture for a spatially nonuniform scattering profile along its length, whose backscattering signal can be used for sensing even after fiber attenuation increases due to the conditions in the sensing environment. In one embodiment, the fiber has been pre-exposed to the conditions that produce attenuation, and the spatially nonuniform profile compensates for this. Subsequent exposure then results in very little or at least acceptable levels of additional attenuation. An exemplary fiber comprises a fiber length and an optical back scatter along the fiber length greater than a Rayleigh back scattering over the fiber length, wherein the optical back scatter does not decrease along the fiber length by more than 3 dB after exposure to a hydrogen-rich first environment having a given pressure and temperature. An exemplary method comprises drawing a fiber, applying a UV coating, post-processing the fiber using an interferogram, measuring optical back scatter enhancement dependence based on a UV dosage, incrementally increasing the reflectivity, exposing the fiber to a hydrogen-rich first environment.

The invention discloses an odorless scratch-resistant elastic bending UV (ultraviolet) excimer skin-touch varnish, which relates to the technical field of coatings and comprises the following components in percentage by mass: 10-30% of functional acrylate resin, 10-30% of a solvent, 10-30% of a solvent, 10-30% of a solvent and 10-30% of a solvent. 40 to 80% of modified polyurethane acrylate resin; 0.1-1% of a leveling agent; 0.1-1% of a defoaming agent; 0.1-4% of an organosilicon auxiliary agent; 0.5 to 2% of 2, 4, 6-trimethylbenzoyl diphenyl phosphine oxide; 0.5 to 7% of 2-hydroxy-4 '-(2-hydroxyethoxy)-2-methyl propiophenone, and the balance of water; 0.3-1% of a wetting dispersant; 2-5% of UV anti-settling slurry; 1-5% of wax powder; and 5-30% of nano sol. According to the UV quasi-molecular skin-touch varnish disclosed by the invention, through the combined action of an odorless resin system, fluorosilicone modified and enhanced three-functional-group elastic resin, nano-zirconia phase change toughening and a crosslinkable fixing auxiliary agent, multiple pairs of performance contradictions of elasticity and hardness, instant effect and durability, odorless effect and stability and the like in a traditional elastic bending UV coating are successfully solved; and the high-performance skin-touch coating with excellent elastic bending property, lasting high scratch resistance, real odor removal effect and good stability is obtained.