1430 results about "UV curing" patented technology

The invention relates to the technical field of high polymer materials, and particularly provides a self-repairing type UV curing alumite color layer coating and a preparation method thereof. The water-based ink is prepared from, by weight, 30-50 parts of polyurethane acrylic resin, 10-25 parts of modified acrylic oligomer containing dynamic covalent bonds, 2-5 parts of photoinitiator, 3-8 parts of hydrophobic modified nano filler and 1-3 parts of cross-linking agent, and the dynamic covalent bonds are selected from at least one of hydrazide bonds, boric acid ester bonds and Diels-Alder bonds. By introducing a gradient energy collaborative network of dynamic covalent bonds and quadruple hydrogen bonds, rapid self-repairing of the coating at normal temperature and thermal triggering recombination of deep damage are achieved, and meanwhile through the micro-phase separation design of the hydrophobic core-shell filler and the graft modified silicon carbide nanowires, the hydrolysis resistance is improved.

The invention relates to the field of UV light source control, in particular to a light source intelligent annunciator control method and system. The method comprises the following steps: acquiring environment illumination sensing parameters of a to-be-cured material, performing light intensity spatial and temporal distribution analysis and dynamic light intensity distribution change fitting, and constructing a curing environment light intensity spatial and temporal distribution change diagram; collecting light source parameters of the UV lamp bead array; performing corresponding lamp bead light source parameter adjustment on the light source parameters according to a curing environment light intensity space-time distribution change diagram to obtain a differential UV light source parameter adjustment strategy; and performing real-time curing irradiation on the to-be-cured material according to the differential UV light source parameter adjustment strategy, adjusting the curing light source intensity and the curing time, and constructing an intelligent curing control strategy. Through real-time and dynamic UV light source control of the annunciator, the UV curing efficiency and quality are improved.

The invention discloses a composite optical film with a polarization function, a preparation method and application thereof. The composite optical film comprises a transparent substrate layer, and a buffer layer, an oriented calcite crystal layer and an anti-reflection layer which are laminated on one side of the transparent substrate layer. Wherein the oriented calcite crystal layer is obtained by coating a superparamagnetic modified calcite crystal composite material suspension on the surface of the buffer layer, inducing optical axis oriented arrangement through a magnetic field and performing UV curing; the buffer layer is obtained by co-extruding a cycloolefin polymer and a polyurethane acrylate mixture, and a thermal expansion coefficient transition system is formed; the anti-reflection layer is composed of nano-porous titanium dioxide with the refractive index changing from 1.8 to 2.3 in a gradient mode, and a refractive index gradient structure is formed. According to the composite optical film, the polarization efficiency and the light transmittance of the composite optical film are improved and the industrial stability is improved through the design of the polarization functional layer in which the calcite nanocrystals are directionally arranged under the induction of a magnetic field and in combination with the gradient refractive index scattering layer.

The invention provides a coating spraying process for an aluminum alloy wheel. The coating spraying process comprises the following steps: S1, surface treatment; s2, spraying a bottom coating; s3, spraying a surface coating; s4, spraying a nano-particle reinforcing layer; s5, thermal plasma spraying post-treatment is carried out; according to the process method, the adhesive force can be improved, the cold plasma treatment technology can efficiently activate the surface of the aluminum alloy, the adhesive force between the coating and the base material is enhanced, and the risk that the coating is peeled off is reduced. And by adding the nano-particle reinforcing layer, the surface hardness of the coating is remarkably improved, and the coating has higher scratch resistance. And the corrosion resistance is enhanced, specifically, the corrosion resistance and the ultraviolet resistance of the aluminum alloy wheel are greatly improved through the optimized formula of the bottom coating and the surface coating, especially the application of a nano reinforcing material and a photocureable coating. The ultraviolet curing technology of the photocureable coating greatly shortens the curing time, the high-frequency production requirement is met, and the production efficiency is improved.

The invention provides an intelligent image processing method and device for UV curing 3D ink-jet printing and a storage medium, and the method comprises the steps: carrying out the contour feature extraction of a slice image, and intelligently recognizing a supporting region based on the interlayer contour change and geometric features; printing data corresponding to the color ink layer, the white ink layer, the gloss oil layer, the shaping layer and the supporting layer are generated according to the contour features, the shrinkage judgment result and the overhanging area recognition result, the printing data serve as spot color channels and are combined with CMYK channels of the color ink layer, halftone processing is carried out on the data of the channels, and the color ink layer is obtained. And finally, generating and outputting a TIF format image file comprising at least eight channels, wherein the TIF format image file is used for driving the UV curing 3D ink-jet printer, the equipment and the storage medium storage and is used for realizing the intelligent image processing method during execution. According to the method, the printing precision and the material utilization rate are improved, and the problems of support generation, color management and quality control in multi-material 3D printing are effectively solved.

The invention discloses photocuring conductive hydrogel as well as a preparation method and application thereof. According to the invention, methacryloylethyl sulfobetaine (SBMA), acrylic acid (AA) and hydroxyethyl methylacrylate (HEMA) are used as comonomers, deionized water is used as a solvent, N, N '-methylenebisacrylamide (MBAA) is used as a cross-linking agent, ammonium persulfate (APS) is used as an initiator, tetramethylethylenediamine (TEMED) is used as an accelerator, and 2-hydroxy-4'-(2-hydroxyethoxy)-2-methyl propiophenone (Irgacure2959) is used as a photoinitiator; the conductivity is improved by adding an ionic compound potassium chloride (KCl), and the photocuring conductive hydrogel is prepared in a free radical polymerization manner by adopting an LED-UV curing box. The conductive hydrogel disclosed by the invention has the characteristics of good adhesion property, conductivity, mechanical property and the like, and has wide application in the fields of wearable strain sensors and other flexible electronics.

The invention discloses a power-on viscosity-reducing adhesive composition, a viscosity-reducing adhesive tape and a preparation method of the viscosity-reducing adhesive tape, and relates to the technical field of adhesive materials. The preparation method comprises the following steps: adding polyurethane acrylate and polybutylene adipate into a planetary stirring kettle, stirring, sequentially adding a PEDOT / PSS solution, a nano core-shell material, a dynamic cross-linking agent, hydrogenated rosin tackifying resin, TPU particles and butylated hydroxytoluene, stirring to obtain mixed glue, and carrying out vacuum defoaming to obtain the electrified viscosity-reducing glue composition. Coating a release film with the electrified viscosity-reducing adhesive composition, carrying out UV curing, and attaching the release film on the other side to obtain the electrified viscosity-reducing adhesive tape. The prepared electrified viscosity-reducing adhesive composition and viscosity-reducing adhesive tape have the advantages of being excellent in mechanical property, sensitive in response, remarkable in stripping force difference before and after electrification, stable at high temperature, stable in circulation, resistant to pollution and the like, nondestructive disassembly and reutilization of devices are achieved by regulating and controlling the adhesive force through an electric field, and the electrified viscosity-reducing adhesive composition and viscosity-reducing adhesive tape can be applied to an electric response assembly scene.

The present invention discloses a high-gloss environmentally friendly UV-curable luminous ink and a preparation method thereof, which belongs to the technical field of UV-curable luminous ink. The ink comprises the following raw materials in parts by weight: 78 to 84 parts of bio-based polyurethane prepolymer, 38 to 45 parts of bio-based acrylate monomer, 10 to 15 parts of modified 2,4,6-trimethylbenzoylphenylphosphonic acid ethyl ester as UV curing initiator, 11 to 16 parts of luminous powder, 7 to 10 parts of micro powder filler, and 4 to 8 parts of auxiliary agent; the bio-based polyurethane prepolymer is obtained by reacting castor oil, resorcinol, fructose and 1,5-pentamethylene diisocyanate in a weight ratio of 8 to 12:2 to 3:13 to 17:4 to 9. In the above manner, the prepared high-gloss environmentally friendly UV-curable luminous ink is coated on a substrate and then subjected to UV light curing treatment (curing energy 2800mJ / cm 2 ), the thickness of the cured film can be controlled more loosely, and the cured film thickness can be controlled at 8-12μm. The cured film has good coating appearance, friction resistance, stain resistance and gloss.

The dispensing device comprises a base, a mounting table, a glue injection gun, an adjusting mechanism and a placement mechanism, the mounting table is fixedly connected to the top of the base, the glue injection gun is arranged on one side of the mounting table, the adjusting mechanism is arranged in the mounting table, and the placement mechanism is arranged in the mounting table. The placing mechanism is arranged at the top of the mounting table and is positioned below the glue injection gun; the placing mechanism comprises a centering assembly and an adsorption assembly, the adsorption assembly is arranged at the top of the mounting table, and the centering assembly is arranged in the adsorption assembly; the adjusting mechanism drives the glue injection gun to move up and down, the centering action of the centering assembly and the adsorption action of the adsorption assembly are synchronously triggered in the downward moving process of the glue injection gun, an air curtain is formed in the glue injection process, and the UV curing function is synchronously started. Therefore, the problems that a traditional device is poor in positioning and glue dispensing collaboration, glue transfer is prone to deviation, and a quality guarantee mechanism is single can be effectively solved, and then the efficiency and quality of sensor glue dispensing machining are effectively improved.

The invention discloses an optical adhesive with dynamic bond exchange and gradient curing functions and a preparation method thereof, relates to an optical adhesive, and aims to solve the problems of interface failure and light transmission attenuation which are easy to occur in the existing optical adhesive. The invention starts from the following three points: 1, two-stage dynamic covalent cross-linking: 1, UV (ultraviolet) initiates acrylate polymerization to form a main network; part of unreacted epoxy groups are retained. 2, thermally activating dynamic boric acid ester bond exchange to realize network reconstruction and stress release; 2, a dual-wavelength gradient initiation system: a 365nm UV curing surface and a 405nm LED penetrate through a curing deep layer to avoid an uncured layer caused by oxygen inhibition; 3, a nano composite anti-reflection technology: mesoporous SiO (at) TiO core-shell nanoparticles (refractive index gradient matching) improve the light transmittance to gt; the content is 99.5%.

The invention belongs to the technical field of high polymer materials, and particularly relates to bio-based light-cured polyurethane acrylate resin as well as a preparation method and application thereof. The preparation method of the bio-based light-cured polyurethane acrylate resin comprises the following steps: (1) mixing a catalyst, a first polymerization inhibitor, first hydroxyl acrylate and itaconic acid, stirring and reacting at 90-120 DEG C for 6-9 hours to obtain a reaction product, then adding epoxidized soybean oil, and stirring at 90-120 DEG C for 3-5 hours to obtain a prepolymer; and (2) cooling the prepolymer obtained in the step (1) to room temperature, dropwise adding second acrylic hydroxyl ester and diisocyanate, and then stirring and reacting at 30-60 DEG C for 1.5-4 hours until an NCO infrared peak value disappears, thereby obtaining the polyurethane acrylate. The resin is high in bio-based content, moderate in viscosity, good in flexibility, high in hardness, strong in adhesive force, high in glossiness, small in smell and good in storage stability, and is suitable for being applied to preparation of UV curing coatings, UV curing printing ink, UV curing adhesives, 3D printing materials and nail polish glue.

The invention discloses a mobile phone narrow frame low-pressure injection molding sealing adhesive and a preparation method thereof, and belongs to the technical field of adhesives. According to the technical scheme, the adhesive is characterized by being prepared from, by weight, 35-46 parts of aliphatic epoxy resin, 10-20 parts of polyether polyol, 16-25 parts of reactive diluent, 15-20 parts of toughened resin, 1.4-2.0 parts of initiator, 0.8-1.2 parts of coupling agent and 1.5-2.0 parts of fumed silica, and an adhesive layer obtained after the adhesive is subjected to UV curing is low in shrinkage rate, high in modulus and good in adhesion property. The width of the mobile phone frame can be well controlled, compared with a plastic piece, the screen-to-body ratio of a mobile phone screen can be further improved, and meanwhile the requirements for bonding and reliability of a client side can be met.

The invention particularly relates to colored dual-curing UV paint and a preparation method thereof. The UV paint is prepared from the following raw materials in parts by weight: 15 to 20 parts of trifunctional aliphatic polyurethane acrylic resin, 12 to 16 parts of organic silicon modified polyurethane acrylate prepolymer, 5 to 8 parts of polyether type polyurethane acrylate, 10 to 15 parts of organic silicon-acrylic hybrid resin, 4 to 9 parts of blocked isocyanate, 15 to 25 parts of diluent and 1 to 3 parts of pigment. 3-6 parts of amino modified silicon dioxide, 1-3 parts of a photoinitiator and 0.1-0.3 part of a flatting agent. According to the UV paint, the adhesion, high wear resistance, weather resistance and hydrolysis resistance of the UV paint are remarkably improved by compounding multiple resins and a processing aid, the production efficiency is improved through a dual-curing mechanism combining UV curing and thermocuring, and meanwhile, complete curing and durability of the UV paint are guaranteed; in addition, VOCs emission is greatly reduced, and the low-VOCs environmental protection requirement is met.

The invention relates to the technical field of optical-mechanical system glue application, and discloses a system and a method for testing glue curing shrinkage stability of an optical-mechanical system of a laser machine. The system comprises a pressing and fixing device which comprises a spring, a pull rod, a needle gauge, a pressing piece and a fixing block, and position switching of the needle gauge between the inner surface and the outer surface of the fixing block is achieved by rotating the pull rod head corresponding to the pull rod; the glue curing unit comprises a UV curing device, a precise temperature control heating platform and a moisture curing environment generator; the light source unit comprises a laser light source and a stable support structure with a clearance fit hoop; the optical machine gluing unit comprises a mirror base and a reflecting mirror; the pressing and fixing device is rigidly connected with the optical platform through the aluminum profile portal frame; the data acquisition unit comprises a CCD (charge coupled device) sensor, a three-dimensional adjustable fixing device and an analysis module, and the analysis module generates a multi-dimensional stability index by resolving the time sequence data of the coordinates of the reflected light spots acquired by the CCD sensor in real time so as to complete the glue curing shrinkage stability test.

The invention discloses a high-heat-conductivity leakproof liquid metal phase change heat-conducting gasket and a preparation method thereof, and relates to the technical field of heat-conducting gaskets. The preparation method comprises the following steps: alloying high-heat-conductivity low-melting-point liquid metal gallium with high-heat-conductivity metal silver and copper, mixing with a polymer containing a specific functional group, adding a modified heat-conducting filler, and carrying out UV curing to form the heat-conducting gasket. Liquid metal is easily alloyed to form eutectic alloy, the melting point can be increased, a chemical cross-linked network formed by the modified heat conduction filler and UV curing can make up heat conduction loss, a heat conduction path is established, the interface thermal resistance is reduced, and the heat conduction efficiency is remarkably improved. The surface oxide layer interacts with the polar group of the polymer, and the steric hindrance effect of the cross-linked network is combined to synergistically realize the leak-proof effect. The high-heat-conductivity leakproof liquid metal phase change heat-conducting gasket prepared by the invention has the effects of high heat conductivity and leakproof.

The invention belongs to the field of electronic display film materials, and discloses a UV optical film material and a manufacturing method and application thereof.The UV optical film material comprises a base material, a frosted layer, an inner protective film layer, an optical ink layer, a transparent adhesive layer and an outer protective film layer, and the inner surface of the base material is sequentially coated with the frosted layer and the inner protective film layer outwards; the outer surface of the base material is sequentially coated with an optical ink layer, a transparent adhesive layer and an outer protective film layer outwards; the coating process comprises the steps that the viscosity of UV optical ink is controlled to be 16 ''-18'', the outer surface of the base material is coated with the UV optical ink through a precise micro-concave ceramic coating roller, and then UV curing is conducted to form an optical ink layer; coating a transparent adhesive layer on the surface of the optical ink layer, and after curing, coating UV optical transfer adhesive on the inner surface of the base material to form a frosted layer; finally, the surface of the frosted layer and the surface of the transparent adhesive layer are coated with an inner protective film layer and an outer protective film layer respectively. The coating has the characteristics of high hardness and high adhesive force, the surface can be kept uniform, the edge sharpness is high, and discoloration can be effectively prevented.

The invention discloses an air inlet pressure and temperature sensor resistor and shell assembling device which comprises a divider rotary table, a tool, an operation opening, a forming pin, a shell feeding mechanical arm, a resistor feeding mechanical arm and a shaping die. An operation opening used for opening a resistor pin is formed in the tool, the divider rotary table is provided with a forming pin in butt joint with the operation opening, the forming pin is used for directionally bending the resistor pin, and the tool is in butt joint with the shell feeding mechanical arm and the resistor feeding mechanical arm. By means of the mode, according to the air inlet pressure and temperature sensor resistor and shell assembling equipment, pre-shaping treatment is conducted on resistor pins through the shaping die, fine fixed-point bending operation on the pins is accurately achieved through the forming pins, and resistor welding and UV curing stations are integrated in the whole machine; the automatic production and processing of the resistance part of the air inlet pressure sensor are efficiently realized, and the productivity and the yield are obviously improved.

The invention discloses a UV curing adhesive for coating a low-refractive-index optical fiber and a processing method thereof, belongs to the technical field of adhesive preparation, and is used for solving the technical problem that the refractive index and the damp-heat resistance of the UV curing adhesive for coating the optical fiber in the prior art need to be further improved. The preparation method comprises the following steps: introducing a low-refractive-index hybrid siloxane prepolymer, a multi-component interface bonding prepolymer and a modified branched polyester prepolymer into a system together, and constructing a compact and uniform organic-inorganic three-dimensional network in a curing process by utilizing silica condensation, interface chemical bonding and a flexible chain segment cross-linking reaction, the low-refractive-index hybrid siloxane prepolymer endows a film layer with a stable refractive index, the multi-component interface bonding prepolymer enhances the binding force of a base material, the modified branched polyester prepolymer improves stress buffering and toughness, and the obtained cured film is low in refractive index, firm in interface bonding and small in mass change in a humid and hot environment and shows excellent optical stability and long-term reliability.

The invention discloses an integrated circuit system of coupling equipment, and relates to the technical field of optoelectronic device packaging. According to the system, the main control module and the golden finger connector are integrated through the communication base plate, and the LED light source driving module, the photoelectric detection module and other functional modules are connected in a pluggable mode to form closed-loop control. And the main control module adopts a double-microcontroller architecture, so that data acquisition and driving control are separated, and the real-time response efficiency is improved. Each functional module is connected with the communication base plate through a golden finger connector, and an expansion interface of each functional module supports the access of a UV curing controller and other modules, so that the expansibility of the system is enhanced. The device is high in integration degree and excellent in module cooperation efficiency, coupling time can be shortened, hardware cost and maintenance cost can be reduced, production line beat efficiency and equipment operation stability can be improved, and the device is suitable for automatic coupling packaging of elements such as optical modules and lasers.

The invention discloses antifouling paint as well as a preparation method and application thereof, and belongs to the technical field of functional paint. The coating is prepared from a light-cured polyurethane prepolymer, modified silicon dioxide, a slow-release antifouling microcapsule and a low-surface-energy modifier. The preparation method comprises the following steps: synthesizing acrylated rosin dihydric alcohol, preparing a light-cured polyurethane prepolymer, mixing all the components, spraying, and carrying out ultraviolet curing. The obtained coating has super-hydrophobic, self-repairing and intelligent antifouling functions, is stable in performance in extreme environments such as salt mist, acid-base, ultraviolet aging and mechanical wear, and is suitable for marine equipment such as culture netting and ships. The invention solves the technical problems of toxic pollution and short service life of the traditional antifouling paint, and has obvious environmental friendliness and economic benefit.

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 discloses a high-precision cold stamping printing one-piece flow process. The process comprises the following steps that S1, surface cleaning is conducted on a printing stock; s2, the surface of the printing stock is coated with UV glue in an ink-jet printing mode; s3, after coating is completed, low-energy UV is adopted for pre-curing, and the energy density is lt; the thickness is 50mJ / cm, and forming a semi-cured adhesive layer; s4, the cold stamping film is attached to the UV glue through an air cushion type pressing roller, then UV full curing is conducted, the cold stamping film is peeled off after curing, and the pattern is reserved on the printing stock; s5, performing color ink overprinting on the hot-stamped pattern to obtain a printed product; and S6, on-line detection and slitting are conducted on the printed matter. According to the high-precision cold-stamping printing one-piece flow process, the whole process is completed in an on-line mode, step-by-step operation is not needed, the production efficiency can be remarkably improved, micron-order pattern control can be achieved through ink-jet coating glue, complex patterns are supported, the glue utilization rate is higher, cold-stamping films are only locally transferred, the waste film rate is reduced, ozone is not generated through LED-UV curing, and the production cost is reduced. And the device is more environment-friendly and lower in energy consumption.

The invention relates to the technical field of shoes, and discloses a foot bed and leather integrally-formed structure and a preparation method thereof, and the foot bed and leather integrally-formed structure comprises a leather surface layer, a supporting core layer and a bottom layer; a preset circumferential and middle array type printing area on the lower surface of the leather surface layer is subjected to plasma treatment, sprayed with resin and subjected to UV curing to form an anchoring layer, the supporting core layer is connected to the anchoring layer on the lower surface of the leather surface layer through a bottom layer to be integrally formed in a composite mode, and the supporting core layer is of a latticed bionic lattice structure. The flexible supporting core layer of the latticed bionic lattice structure is processed through the technologies such as 3D printing, the flexible supporting core layer and the leather are integrally formed, the shoe pad detachably matched with a shoe for use is manufactured, the shoe pad has the ventilation and drainage functions through the supporting core layer in the shoe pad, the shoe pad can be conveniently matched with ventilation holes in a shoe body for use, and the moisture problem is solved; in the process of matching with ventilation of the supporting core layer, the flexible buffering pad supports the foot sole surface, the comfort degree is high, cleaning and maintenance are convenient, and the insole can flexibly adapt to different shoes and is high in applicability.

The invention discloses a black UV edge sealing adhesive for a liquid crystal display without a frame on four sides and a preparation method of the black UV edge sealing adhesive. The black UV edge sealing adhesive comprises the following raw materials: urethane acrylate, an acrylate diluent, a photoinitiator, a defoaming agent, a dispersing agent, a silane coupling agent, silica powder and carbon black. According to the invention, the flexible aliphatic polyurethane acrylate and the nanoscale spherical silica powder are selected and compounded to construct a'soft-hard 'interpenetrating network structure, so that the edge sealing adhesive is endowed with excellent properties: the UV curing time is short, the sizing is rapid, and the industrial efficient production requirement is met; after being cured, the colloid has high flexibility and strong supporting performance, rigid damage in the construction and using process is effectively reduced through the flexibility, the whole-face liquid crystal display can be stably lifted through the sufficient strength, and guarantee is provided for achieving the design that the four edges are free of frames; the volume shrinkage rate is low, obvious deformation caused by shrinkage of the edge of the display screen can be avoided, and the external dimension precision of a frameless product is guaranteed; the cable has good water resistance and weather resistance, and can play a role in a complex environment for a long time.

The invention provides LED-UV (Light Emitting Diode-Ultraviolet) curing ink as well as a preparation method and application thereof, and the LED-UV curing ink is prepared from the following components in parts by weight: 30 to 50 parts of modified polyurethane acrylate resin, 15 to 30 parts of modified epoxy acrylate resin, 10 to 15 parts of amino resin, 15 to 30 parts of acrylate monomer, 6 to 10 parts of photoinitiator, 1 to 3 parts of adhesion promoter, 2 to 4 parts of coupling agent, 0.5 to 1 part of defoaming agent and 1 to 2 parts of flatting agent. The modified polyurethane acrylate resin is hydroxyl and / or carboxyl modified polyurethane acrylate resin; the modified epoxy acrylate resin is polyurethane modified epoxy acrylate resin. After the ink is photo-cured, a paint film has good flexibility, adhesive force and chemical resistance; the hardness, the curing speed and the chemical resistance of a paint film can be improved; the adhesive force to a base material can be promoted; and the water resistance and the wine soaking resistance of a paint film are enhanced.

The invention discloses a UV-cured high-weather-resistance optical thin film and a preparation method thereof, and relates to the technical field of optical thin films. The optical film is prepared by taking polyethylene glycol terephthalate as a base material and coating the base material with a UV curing coating, and the UV curing coating comprises the following raw materials in parts by weight: 15-20 parts of aliphatic polyurethane acrylate, 5-8 parts of perfluorobutyl ethyl acrylate, 8-12 parts of hydroxyethyl acrylate, 6-10 parts of 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of 1, 2, 4-trimethyl-1, the invention relates to a UV (ultraviolet)-resistant coating which is prepared from the following raw materials in parts by weight: 1-2 parts of 2, 6-hexanediol diacrylate, 5-8 parts of trimethylolpropane triacrylate, 30-40 parts of modified epoxy acrylate, 1-2 parts of a silane coupling agent KH-570, 2-3 parts of a photoinitiator 1173, 0.5-1.2 parts of a modified ultraviolet absorbent UV-327, 0.8-1.5 parts of a hindered amine light stabilizer 540, 0.3-0.8 part of an antioxidant 1010, 0.09-0.12 part of an ultraviolet absorbent Tinuvin400 and 0.2-0.5 part of polyether modified polydimethylsiloxane. According to the UV-cured high-weather-resistance optical thin film, polyethylene glycol terephthalate is used as a base material, key raw materials such as a UV-cured coating with a scientific formula, modified epoxy acrylate and the like are finely prepared, a two-stage curing process is adopted, and the weather resistance is excellent.

The invention relates to the technical field of fractured stratum reinforcement, in particular to a fractured stratum rapid isolating and reinforcing device and method based on deep drilling lining repair. The device comprises drilling equipment, a double-film lining structure, an electric inflator pump, an ultraviolet curing piece and a controller. The double-membrane lining structure comprises an outer hose and an inner membrane tube; the outer hose is made of glass fiber reinforced thermoplastic plastics, the inner film pipe is arranged outside the drill rod in a sleeving mode, and the two ends of the inner film pipe are fixed to the drill rod in a sealed mode. The length of the outer hose is smaller than that of the inner film in the pipe, the outer hose adheres to the middle end of the inner film pipe through hot melt adhesive, an air guide opening is formed in the end, away from the drill bit, of the inner film pipe, and the inflator pump is communicated with the air guide opening through an air guide pipe. And the ultraviolet curing piece is arranged on the outer wall of the drill rod in the inner membrane tube. According to the device, the outer hose is tightly attached to the hole wall, then ultraviolet rays can be evenly irradiated to the outer hose through the ultraviolet emitter, rapid and complete curing of the outer hose is achieved, and the efficiency and safety of drilling operation are improved.

The invention discloses an intelligent cooperative control system and method for the UV curing process of a rotary press, and relates to the technical field of industrial process control, the system comprises a data acquisition module, a central cooperative control module, a UV light source control module, a temperature regulation module, a speed synchronization module and a man-machine interaction module, the central cooperative control module receives curing temperature data, printing speed data and UV illumination intensity data acquired by the data acquisition module, generates a control instruction through a preset cooperative control algorithm, and sends the control instruction to the UV light source control module, the temperature adjustment module and the speed synchronization module, so that multi-parameter cooperative control of the UV curing process is realized, and the UV curing process is controlled. Through an intelligent cooperative control algorithm, real-time dynamic adjustment of the UV light source power, the curing temperature and the printing speed is achieved, the consistency and stability of the UV curing quality are improved, energy consumption is reduced, and the production efficiency of the rotary press is improved.

The invention discloses a UV-curable conductive polyurethane acrylate coating and a preparation method thereof, and relates to the technical field of photocureable coatings. The invention relates to a UV curing conductive polyurethane acrylate coating, which comprises a light-cured resin, a polyaniline coated carbon nanotube, a reactive diluent, a photoinitiator, an organosilicon leveling agent and a defoaming agent, the light-cured resin is prepared by mixing a polyurethane prepolymer, an epoxy acrylate resin and dihydroxy acrylate, and the polyurethane prepolymer is prepared by mixing the polyurethane prepolymer, the epoxy acrylate resin and the dihydroxy acrylate. The polyaniline coated carbon nano tube is formed by coating and modifying a carbon nano tube by aniline and a doping agent. By adopting the scheme, not only can the conductivity of the coating be improved through the polyaniline coated carbon nanotubes, but also the light-cured resin and the polyaniline coated carbon nanotubes can form a three-dimensional network structure of a conductive filler / resin base material, so that the mechanical property of the coating can be improved; further, the preparation of the UV curing conductive coating with high conductivity and mechanical property is facilitated.

The invention discloses a method for improving the stability of a quantum dot optical film, which comprises the following steps of: adding scattering particles and a water repellent agent into acrylic resin to form a mixed solution, stirring, fully stirring, adding a quantum dot solution, continuously fully stirring to form quantum dot glue, and finally coating the quantum dot glue between an upper barrier film and a lower barrier film to form the quantum dot optical film. And performing UV curing to obtain the quantum dot optical film. According to the method, the water repellent agent is added in the process of mixing the quantum dots and the acrylic resin into the quantum dot glue to reduce the influence of water and oxygen on the quantum dots, and the stability of the quantum dot optical film under the high-temperature and high-humidity conditions of 85 DEG C and 85% RH can be improved; compared with a method for modifying a quantum dot material or using a barrier film with a high water and oxygen barrier rate, the method disclosed by the invention is simple and convenient to operate, low in cost and suitable for mass production of the quantum dot optical film on a large scale.