1941 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 preparation method comprises the following steps: adding a hydroxyl derivative of bis-spiro pentaerythritol diphosphate and hydroxyl-terminated polysiloxane into a three-neck flask which is provided with a mechanical stirrer and a thermometer together, uniformly stirring, adding an organic silicon catalyst, stirring, adding an organic silicon catalyst, stirring, adding an organic silicon catalyst, stirring, adding an organic silicon catalyst, stirring, adding an organic silicon catalyst, stirring, adding an organic silicon catalyst, and stirring to obtain the UV-cured polyurethane with the synergistic flame retardance of the bis-spiro phosphate and the organic silicon, thereby obtaining the UV-cured polyurethane with the synergistic flame retardance. Dibutyltin dilaurate and diisocyanate are dropwise added for a reaction, then hydroxypropyl methacrylate is added, the reaction continues to be conducted, and a polyurethane prepolymer containing bis-spiro phosphate and organic silicon is obtained; and then adding an ultraviolet light initiator, and carrying out UV curing to obtain the UV-cured polyurethane. The pencil hardness of the UV curing material is 2B-9H, the initial thermal decomposition temperature is 246.0-298.2 DEG C, the LOI is 26.0-33.2%, the flame retardant grade is V-1-V-0 grade, and the UV curing material can be used as an electronic flame retardant sealant, a flame retardant three-proofing paint, a flame retardant industrial paint, a flame retardant tent cloth coating and the like.

The invention relates to the technical field of flexible display devices, in particular to a high-impact-resistance coating for ultra-thin glass, a preparation method and an assembly layer. The invention discloses a high-impact-resistance coating for ultra-thin glass. The high-impact-resistance coating is mainly prepared from a precursor, a cross-linking agent and a photoinitiator in a solvent-free condition in a UV curing manner, the precursor comprises a polyether urethane acrylate oligomer with Tg of-70 DEG C to-40 DEG C; the Tg of the coating is 30-60 DEG C; and in a temperature scanning test with the temperature range of-40 to 80 DEG C and the frequency of 1Hz, the peak value of the loss factor of the coating is 0.7 to 1.2. The high-impact-resistance coating provided by the invention has good adhesion and excellent optical performance, also has good elongation at break and good flexibility, has a high dissipation effect on mechanical stress, and can enhance the impact resistance of the ultra-thin glass. In addition, the high-impact-resistance coating is prepared through a UV photocuring method and does not contain a solvent, the VOC emission in the production and preparation process is low, and the coating is green and efficient.

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 discloses a spraying system capable of intelligently adjusting air balance of a whole line. The spraying system comprises an air supply and exhaust control unit, a multi-dimensional sensor unit and a control unit. The air supply and exhaust control unit comprises a plurality of air supply and exhaust systems which are applied to a feeding and discharging area, a heating chamber, a manual and automatic dust removal area, a slitting area, a UV curing area and a spraying room respectively and structurally comprises a high-pressure fan, an air supplement fan, an environment air supply box, a proportional valve, a circulating fan and a waste discharge fan, and it is ensured that the air volume and the pressure difference of all the areas are controllable. The multi-dimensional sensor unit is used for collecting air volume, pressure difference and VOC concentration data of each area. The control unit comprises a PLC (Programmable Logic Controller), a frequency converter group and an industrial personal computer, and is used for executing a PID (Proportion Integration Differentiation) control strategy and adjusting the rotating speed of a fan and the opening degree of a proportional valve based on sensor data through a wind balance control algorithm and a VOC concentration control algorithm so as to realize the stable control on the wind balance of the whole line and the VOC concentration of the spraying room. According to the system, various air supply and exhaust mechanisms and intelligent control algorithms are integrated, and the environment control precision and efficiency in the spraying process can be effectively improved.

The invention belongs to the technical field of UV curing high polymer materials, and relates to UV curing ink-jet printing power battery blue film ink and a UV curing coating. The UV curing ink-jet printing power battery blue film ink is prepared from the following components in parts by mass: 25 to 80 parts of acrylate resin, 15 to 40 parts of UV photocurable monomer, 2 to 10 parts of hydrophobic monomer, 0.1 to 1 part of auxiliary agent, 2 to 8 parts of photoinitiator and 2 to 7 parts of color paste, the mass ratio of the acrylate resin to the UV photocurable monomer is 1: (1.5-3). According to the present invention, the viscosity of the ink at the room temperature (25 DEG C) is high, and the viscosity of the ink is low when the ink is sprayed out from the nozzle (the corresponding environmental temperature is 60 DEG C), such that the technical problem that the existing insulating paint has the high viscosity and is not suitable for the ink-jet printing is solved, and the viscosity of the sprayed ink is rapidly increased so as to provide the ink-jet printing effect. The problem of printing and edge covering at edges and corners of a power battery shell can be solved.

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 belongs to the technical field of paint coatings, and particularly relates to a hydrophobic heat-conducting self-repairing coating and a preparation method thereof. The preparation method of the hydrophobic heat-conducting self-repairing coating comprises the following steps: ultrasonically dispersing a heat-conducting filler and polyethylene glycol in an organic solvent, dropwise adding into a water-borne epoxy resin solution, and stirring to obtain a heat-conducting coating solution; the method comprises the following steps: dropwise adding a liquid A containing polysiloxane and a fluorine-containing monomer into a liquid B containing polyethylene glycol, stirring, carrying out centrifugal suction filtration, and drying to obtain the self-repairing microcapsule. Then adding the self-repairing microcapsules and silicon dioxide into the fluorine-containing polymer solution and / or the hydrophobic resin solution, and carrying out ultrasonic dispersion to prepare a self-repairing hydrophobic coating solution; the heat-conducting coating liquid and the self-repairing hydrophobic coating liquid are uniformly sprayed or spin-coated on the surface of a metal base material in sequence and then are subjected to UV curing, and the hydrophobic heat-conducting self-repairing coating is prepared. According to the method, the process and raw materials are simple, and the prepared coating has heat conduction and self-repairing performance and is excellent in anti-aging performance.

The invention provides a UV-thermal dual-curing adhesive and a preparation method and application thereof, and belongs to the technical field of adhesives, and the UV-thermal dual-curing adhesive is prepared from the following raw materials in parts by weight: 10-40 parts of silicon-free epoxy resin; 5 to 35 parts of epoxy silicone resin; 5-40 parts of a reactive diluent; 0.5 to 5 parts of a cationic photoinitiator; 0.1 to 3 parts of a cationic thermal initiator; 0.5 to 10 parts of a thixotropic agent; 0.1 to 2 parts of an antioxidant; and 30-60 parts of a filler. According to the UV-thermal dual-curing adhesive provided by the invention, the epoxy silicon resin is introduced on the basis that the system contains the silicon-free epoxy resin, and the two resins act together, so that the UV curing strength and the thermal curing strength can be adjusted, and the prepared UV-thermal dual-curing adhesive has high cohesiveness and high weather resistance at the same time.

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 provides a preparation method of water-based UV curing conductive ink, and relates to the technical field of polymer conductive material preparation, the preparation method comprises the following steps: respectively preparing modified water-based UV resin, nano-silver and a nano-silver-graphene composite material; and mixing the prepared modified water-based UV resin, nano-silver and a nano-silver-graphene composite material with a photoinitiator, 1, 6-hexanediol diacrylate and an auxiliary agent to obtain the water-based UV curing conductive ink. The preparation method comprises the following steps: firstly, synthesizing an unsaturated epoxy intermediate (EA) by utilizing acrylic acid (AA) and bisphenol A type epoxy resin E-51, then adding the epoxy intermediate EA into an intermediate PUA, and carrying out full end capping on the PUA to prepare light-cured resin; preparing nano-silver and a nano-silver-graphene composite material through a chemical reduction method; and finally, constructing a conductive network in the ink by virtue of a synergistic effect between the nano-silver and the nano-silver-graphene composite material, so as to prepare the water-based UV-cured high-performance conductive ink.

The invention belongs to the technical field of composite prepreg, and relates to UV curing wind power blade repairing resin and a preparation method thereof.The repairing resin comprises a component A and a component B. The component A comprises, by weight, 0-60 parts of glycidyl epoxy resin, 30-80 parts of alicyclic epoxy resin, 0-20 parts of oxetane and 2-30 parts of flexibilizer; the component B is prepared from the following components in parts by weight: 90 to 99 parts of olefin monomer or olefin resin, 0.1 to 6 parts of free radical photoinitiator, 0.1 to 2 parts of thermal cationic initiator and 0.1 to 5 parts of photo cationic initiator. The UV-cured wind power blade repair resin is a hybrid system of an epoxy resin system and acrylate resin, has the advantages of light curing of epoxy resin and acrylate resin, does not need heating or solvent, is controllable in reaction degree, can be quickly formed at low temperature, and has the repair thickness gt; and the material can be applied to repair in winter and other severe environments.

The invention discloses a method for preparing a flexible electrode layer by using laser-induced graphene and the flexible electrode layer. The method comprises the following steps: preparing a laser-induced graphene pattern on the surface of a polymer by using a carbon dioxide laser; and coating flexible photosensitive resin on the surface of the polymer with the laser-induced graphene pattern, carrying out ultraviolet curing, and peeling off the cured flexible photosensitive resin and the laser-induced graphene pattern from the polymer film to obtain the LIGG and flexible photosensitive resin double-layer structure. The graphene pattern induced by laser is quickly, simply and conveniently transferred to the flexible photosensitive resin substrate by adopting an ultraviolet curing method, and the flexible electrode layer which can be bent, can be patterned, has excellent conductivity and is provided with the LIGG and flexible photosensitive resin layer structure is obtained.

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 invention discloses an antifouling wear-resistant auxiliary agent and a preparation method and application thereof, and belongs to the technical field of fluorine-containing functional preparations, the antifouling wear-resistant auxiliary agent is prepared from the following raw materials by mole: 1-2 parts of single-ended active perfluoropolyether alcohol PFPE-OH; 1 to 2 parts of isophorone diisocyanate; 1 part of nano silicon dioxide containing hydroxyl groups on the surface; 2 to 5 parts of monoisocyanate containing unsaturated bonds; 2 to 25 parts of acrylic acid hydroxyl ester; 40 to 400 parts of a comonomer; 2-20 parts of a reaction active monomer; the reactive monomer contains an unsaturated bond and is used for side chain grafting. The antifouling wear-resistant auxiliary agent comprises a nano silicon dioxide hybrid multi-branched polymer containing a perfluoropolyether group, contains a plurality of unsaturated sites, is suitable for a UV curing coating system, and can significantly improve the antifouling and anti-fingerprint characteristics and wear resistance of the surface of a coating.

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 invention discloses a photocatalytic purification diatomite functional decorative board and a preparation method thereof, and relates to the technical field of diatomite decorative boards. The technical solution is to provide a diatomite substrate, and polish the surface with sandpaper; uniformly coat a layer of heat-sensitive epoxy resin adhesive on the diatomite substrate; lay a carbon fiber mesh on the uncured heat-sensitive epoxy resin layer, and then spread TiO2 / paraffin / alumina composite particles, and compact them with a roller, and accelerate curing with an oven; and coat the board with UV curing resin as a weather-resistant protective layer, and use a UV lamp to cure. The invention significantly improves the distribution and fixation of the composite particles of the diatomite board by applying the carbon fiber mesh and the heat-sensitive epoxy resin adhesive, and enhances the mechanical strength and photocatalytic efficiency. The carbon fiber mesh and alumina in the structure increase the wear resistance, optimize the TiO2 distribution, and improve the air purification efficiency and thermal stability.

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 relates to the technical field of hose cutting, in particular to hose cutting equipment and application of the hose cutting equipment in ultraviolet curing hose production, the hose cutting equipment comprises a mounting frame and a cutting knife, and is characterized in that an adjusting device is arranged at the upper end of the mounting frame, a cutting assembly is rotationally arranged at the side end of the adjusting device, and the cutting knife is arranged at the lower end of the mounting frame. The cutting knife is located in the cutting assembly, the cutting assembly comprises a flattening roller, by arranging a pressure sensor, the flattening roller, a grinding piece and other components, when the ultraviolet light curing hose needs to be cut, the flattening roller descends and moves in a reciprocating mode by controlling a pump body and a motor, and then the ultraviolet light curing hose is cut. According to the ultraviolet light curing hose rolling device, the flattening roller conducts reciprocating rolling on a cutting area of an ultraviolet light curing hose, the rolling condition of the ultraviolet light curing hose can be judged through the assistance of the pressure sensor, and in the process that the flattening roller descends and reciprocates to roll the ultraviolet light curing hose, the rolling condition of the ultraviolet light curing hose can be judged through the assistance of the pressing ball, the pressing rod and other components. And the cutting knife can be polished by the polishing piece.

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 belongs to the field of radiation curing pressure-sensitive adhesives, and discloses a radiation curing protective film adhesive composition as well as preparation and application thereof. The composition is prepared from the following components in parts by mass: 30 to 70 parts of polyurethane acrylate, 10 to 40 parts of special (methyl) acrylate monomer, 10 to 40 parts of other monofunctional (methyl) acrylate or acrylamide monomer, 0 to 5 parts of bifunctional or polyfunctional (methyl) acrylate monomer, 0 to 5 parts of tackifying resin and 0.5 to 5 parts of photoinitiator. According to the pressure-sensitive adhesive composition for the UV curing protective film adhesive tape, the preparation method is simple, and the comprehensive performance of the composition is improved by optimizing the formula; the protective film adhesive tape prepared on the basis of the pressure-sensitive adhesive composition has higher curing speed and higher peel strength and annular initial adhesion on the premise of keeping excellent exhaust property, and the problem that the properties cannot be considered at the same time in the prior art is solved.

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 relates to a roll-to-roll nanoimprint device and method.The device comprises an imprint roller, a mold roller, an auxiliary imprint roller set and a demolding roller, the mold roller is matched with the imprint roller and the demolding roller at the roll inlet position and the roll outlet position respectively, and the mold roller is connected with a two-way air pump through an airflow regulator; the adsorption state of the mold roller is adjusted through a two-way air pump and an air flow adjuster to carry out positive and negative pressure gas auxiliary mold filling and demolding, the coining roller and the demolding roller are both connected with the air pump, and a UV curing module is arranged on the auxiliary coining roller set; the coining roller positive pressure and the mold roller negative pressure provide coining force at the coiling position, auxiliary mold filling and curing are carried out through the auxiliary coining roller set containing the UV curing module, the demolding roller negative pressure and the mold roller positive pressure at the coiling position provide demolding force, and the coining completed part is separated from the mold roller. Compared with the prior art, the mold filling height of the imprinting glue in the mold is effectively increased, the cured imprinting glue can be promoted to be completely demolded from the mold, and the processing quality of the nano imprinting process is improved.

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.