148 results about "UV coating" patented technology

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 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 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 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 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 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.

The utility model discloses an anti-UV (ultraviolet) protective film for a car lamp, which relates to the technical field of car lamp films and comprises a base material layer, a primer layer fixedly arranged at one layer end of the base material layer and fixedly attached, an anti-UV coating and a hard coating sequentially attached and fixed at the other layer end of the base material layer, and an anti-static treatment layer attached and fixed outside the hard coating, the heat insulation layer is fixedly arranged between the base material layer and the anti-UV coating in an attached mode; the heat insulation layer is a nano ceramic particle coating; the utility model has the advantages that the anti-static treatment layer is arranged on the surface of the hard coating, so that the dust attachment is greatly reduced, and the definition is kept; the transparency provided by the conductive polymer coating is good, and the clarity is kept; the heat insulation layer is additionally arranged between the base material layer and the anti-UV coating, so that heat transferred to the automobile lamp can be reduced, the thermal stress of the automobile lamp is reduced, and the service life is prolonged; the whole material is high in transparency and good in light-transmitting use effect.

The application discloses a ceramic tile old beautiful joint renovation upgrading construction method, belongs to the technical field of building decoration engineering, aiming at the problems of old beautiful joint, such as oxidation yellowing, dirt hiding, aging and pulverization, adopting shovel-free process, including polishing or cleaning treatment on the surface of old beautiful joint, after cleaning and drying, directly coating ultraviolet light curing paint, and then rapidly curing a protective layer through ultraviolet light irradiation. The application does not need to shovel all old joints in the construction process, significantly improves the construction efficiency, reduces the risk of ceramic tile damage, adopts solvent-free light curing paint, is environment-friendly and non-polluting, the formed protective layer has excellent high-hardness wear resistance, waterproofness, mildew resistance and yellowing resistance, and realizes the overall upgrading and replacement of appearance and durability while repairing the surface defects of old beautiful joint. The application has remarkable practical value and popularization prospect due to low cost, simple construction and obvious effect.

The invention belongs to the technical field of dual-curing UV coatings, and discloses a dual-curing UV coating and a preparation method thereof, the coating is composed of a component A and a component B according to a weight ratio of 5-20: 1; the component A is prepared from the following raw materials in parts by weight; the component A is prepared from the following raw materials in parts by weight: 30 to 50 parts of aliphatic polyurethane acrylic resin, 10 to 25 parts of hydroxy acrylic resin, 0.5 to 1 part of an ultraviolet light absorber, 1 to 2 parts of an ultraviolet light initiator, 0.2 to 0.6 part of a light stabilizer, 0.1 to 0.5 part of a drier, 0.2 to 0.6 part of a stain-resistant auxiliary agent and 25 to 30 parts of a composite solvent; the component B is prepared from the following raw materials in parts by weight: 70 to 75 parts of aliphatic polyisocyanate and 20 to 30 parts of solvent. The double-heavy-component design of specific raw materials is adopted, and the obtained coating can have the flexibility of a PU coating and the hardness of a UV coating, has good hardness, weather resistance, adhesive force, chemical resistance and the like, and can be used for outdoor products; the cross-linking efficiency can be effectively improved, and the energy-saving and environment-friendly effects can be achieved.

This invention belongs to the field of UV coating technology, and particularly relates to a UV coating that requires no base coat and its preparation method. The raw materials for preparing the coating include the following components by weight: 20–35 parts acrylated epoxy resin, 15–25 parts polyurethane acrylate oligomer, 10–20 parts trimethylolpropane triacrylate, 2–6 parts fluorinated acrylate monomer, 3–8 parts photoinitiator, 0.5–2 parts polyether-modified siloxane leveling agent, 4–12 parts nanocomposite matte filler, 1–5 parts adhesion promoter, and 20–44.5 parts reactive diluent; pre-dispersed by stirring at a speed of 0 min for 20–40 minutes to obtain a premixed slurry; this invention achieves grade 0 adhesion for PET film through the synergistic effect of fluorinated monomer and adhesion promoter, solving the problem of easy peeling of flexible substrates; the fluorinated acrylate monomer achieves a surface tension ≤22 mN / m, realizing excellent hydrophobic and oleophobic properties; the nanocomposite matte filler stabilizes the gloss at 10–30 GU, meeting the requirements of high-end printing; the chemical energy density is 150–300 mJ / cm² (corresponding to 365–405). (nm light source), suitable for high-speed printing equipment.

The invention provides a production method of a novel environment-friendly micro-carved pattern glass paperboard, which comprises the following steps: selecting a film as a base material, printing a red cursor on the film, and coating UV gloss oil; selecting an ivory board as backing paper, utilizing UV gloss oil as an adhesive, and compounding the transfer film with the ivory board, so that the red cursor is transferred to the ivory board; fine lines are engraved on the surface of the roller base material through the laser engraving technology, the surface of the roller is subjected to chromium plating treatment after engraving is completed, and the micro-engraved grain gravure roller is manufactured; feeding the compounded paper into embossing equipment, and carrying out embossing treatment by utilizing a micro-carving pattern gravure cylinder, so that micro-carving patterns are transferred to the surface of the paper; the embossed paper is fed into a UV curing device, the curing power is adjusted to cure the UV coating layer, the film on the surface of the paper is stripped after curing is completed, and the glass paperboard with the miniature carving pattern is obtained.

The invention belongs to the technical field of coatings, and discloses an excimer UV (ultraviolet) coating and a preparation method thereof. The primer is prepared from the following raw materials in parts by weight: 15 to 30 parts of thermoplastic acrylate A, 15 to 30 parts of thermoplastic acrylate B, 5 to 10 parts of butyl acetate, 10 to 15 parts of ethyl acetate, 5 to 10 parts of isopropanol, 5 to 10 parts of n-butyl alcohol, 5 to 10 parts of ethylene glycol monobutyl ether and 1 to 2 parts of silicon dioxide matting powder; the finish paint is prepared from the following raw materials in parts by weight: 20 to 40 parts of UV (Ultraviolet) type four-functional polyurethane acrylate, 10 to 20 parts of UV type two-functional polyurethane acrylate, 0 to 10 parts of UV type six-functional polyurethane acrylate, 0.5 to 1 part of Omnirad 184 photoinitiator, 0.5 to 1 part of TPO (Thermoplastic Polyolefin) photoinitiator, 1 to 2 parts of ultraviolet light absorber, 0.5 to 1 part of ultraviolet light stabilizer, 0.2 to 0.5 part of dispersing agent, 0.5 to 1 part of flatting agent and 1 to 3 parts of silicon dioxide matting powder. 1-3 parts of an anti-settling agent, 5-10 parts of butyl acetate, 10-15 parts of ethyl acetate, 5-10 parts of isopropanol, 5-10 parts of n-butyl alcohol and 5-10 parts of ethylene glycol monobutyl ether.

The invention belongs to the technical field of long stapled cotton double-faced cloth, and particularly relates to long stapled cotton liquid ammonia double-faced cloth and a preparation method thereof.The long stapled cotton liquid ammonia double-faced cloth comprises a double-faced cloth body, and the double-faced cloth body comprises a bottom layer, a functional layer and a protective layer. A guide roller guides bottom layer cloth woven with a functional layer, a telescopic rod of a lifting electric push rod stretches out and draws back to drive a sliding block to ascend and descend, the sliding block drives a lifting roller to ascend and descend synchronously, and therefore bottom layers of different thicknesses are pressed, and the telescopic rod of the electric push rod is adjusted to stretch out and draw back to drive a mounting block to ascend and descend. The mounting block drives the motor to ascend and descend while fixing the motor, and the motor drives the compression roller to rotate anticlockwise, so that a reverse shearing force is generated in the contact area of the convex block and the petals, the UV coating is kneaded into the texture of the cloth, and the convex texture of the petals is clearer and stronger in stereoscopic impression.

The invention discloses a TPU floor with a cavity structure and production equipment, and relates to the field of TPU floor production, the TPU floor comprises a TPU floor body, the TPU floor body is provided with a transparent layer, a pattern layer, an upper base material layer and a lower base material layer with cavities, the lower base material layer with the cavities is internally provided with the through or non-through cavities distributed in an array mode, and the lower base material layer with the cavities is provided with the pattern layer. And the section of the closed cavity is cylindrical, prismatic or wave-shaped. According to the TPU elastic floor with the cavity structure, the TPU elastic floor with the cavity structure sequentially comprises the UV coating, the TPU transparent layer, the pattern layer, the base material layer and the cavity base material layer from top to bottom, the TPU elastic floor with the cavity structure is free of glue bonding and environmentally friendly, the closed cavity structure provides air buffering, noise can be obviously reduced, the comfortable foot feeling can be provided, and under the same size, the TPU elastic floor with the cavity structure is not prone to falling off. The whole weight of the material is reduced, the transportation cost is reduced, a double-layer co-extrusion method is adopted for production, integrated forming can be achieved, production procedures are reduced, and the production efficiency is improved.

The invention discloses a yang relief decorative picture manufacturing process based on a brass plate, and relates to the technical field of relief decorative pictures. The method comprises the following steps: S1, pretreating a copper plate; s2, copper plate wire drawing treatment; s3, spraying anti-oxidation treatment is carried out; s4, performing uv coating treatment; s5, forming the embossment; s6, uv printing ink coloring is carried out; s7, carrying out antioxidant color fixation again; and S8, mounting a picture frame. According to the whole set of process technology for manufacturing the positive relief decorative picture by adopting the brass plate, the blank of the market is filled through polishing and wire drawing of the brass plate, spraying of environment-friendly nano fluorocarbon ink and coloring of patterns and positive relief, various defects are made up, fonts and lines are originally golden yellow of copper with relief, the light reflection effects are different at different light angles, and the decoration effect is good. The whole picture has the copper natural color of the positive embossment, various styles of pictures with gorgeous colors and the artistic effect of mild and full color and luster, does not change color or fade in indoor theory for more than 30 years, and can show the mild deposit color of the metal copper.

The utility model provides an ink-jet printing device for improving the film thickness of an R-angle area of a weld joint of a battery cell, which comprises a first ink-jet printing unit formed by a spray head for ink-jet printing and a butting clamp, and the spray head comprises a plurality of nozzles; the opposite-vertex clamp is used for clamping a battery cell and comprises a first clamping component and a second clamping component, the first clamping component is in contact with a first end face of the battery cell, the second clamping component is in contact with a second end face of the battery cell, and a welding seam R-angle area exists between the second end face and the side face of the battery cell; the second clamping part is further provided with a first refrigeration unit. On the premise of not changing a UV ink-jet printing process and a UV coating, only by additionally arranging a refrigeration unit on the inner side of the clamp, the problem of film thickness reduction of a welding seam R-angle area is greatly improved after the temperature of the welding seam R-angle area of the battery cell splicing surface laser welding is reduced, and meanwhile, the film thickness uniformity of the area is improved.

The invention provides a label printing device and method based on UV coating protection. The device comprises a width-adjustable roll paper groove mechanism (50-110 mm) capable of being matched with conventional printing roll paper, and a thermal transfer ribbon printing module, a UV coating module, a UV primary curing module, a UV secondary curing module, an automatic paper tape cutting module and other core modules. The self-adaptive paper slot is characterized in that: 1, the self-adaptive paper slot is designed: a bidirectional synchronous guide rail adjusting mechanism is adopted, so that stepless adjustment in a range of 50mm to 110mm is realized, and the self-adaptive paper slot is adaptive to the requirements of labels with different sizes; 2, a UV protection layer coating process: coating UV glue immediately after printing is completed, and forming a high-temperature-resistant and chemical-corrosion-resistant (alcohol and plate washing water) protection layer on the surface of the label after primary rapid curing and secondary curing of a high-power UV lamp; the automatic cutting function is achieved, automatic and accurate cutting is achieved according to the preset label length, the production efficiency is improved, and the utilization rate of printing roll paper is increased.

The utility model discloses an easy-to-bend transparent PET (polyethylene terephthalate) sheet, which belongs to the technical field of PET sheets and comprises a bottom layer for the innermost layer of a packaging box, an elastic foaming layer with buffering performance is compositely connected to the surface of the bottom layer, and a glass fiber layer is compositely connected to the surface of the elastic foaming layer. The surface of the glass fiber layer is compositely connected with a wear-resistant layer for enhancing the strength and stability of the material, and the surface of the wear-resistant layer is provided with a UV coating for protecting the material from being damaged by ultraviolet rays; bending mechanisms for assisting the PET sheet in bending are arranged on the glass fiber layer and the wear-resistant layer; the elastic foaming layer, the glass fiber layer and the wear-resistant layer in the PET sheet are easy to bend through design, so that when the PET sheet is applied to wine box packaging, the outer surface is not easy to break under the action of pressure, and the packaging flexibility is higher.