1198 results about "UV curing" patented technology

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 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 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 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 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 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 embodiment of the invention provides a UV-cured matte skin-touch coating as well as a preparation method and application thereof. The UV-cured matte skin-touch coating is prepared from the following raw materials in parts by weight: 30-55 parts of urethane acrylate; 20 to 35 parts of epoxy acrylate; 3 to 6 parts of a photoinitiator; 5 to 10 parts of tris (2-hydroxyethyl) isocyanuric acid triacrylate; 3 to 8 parts of fluorosilicone modified acrylate; 4-7 parts of modified boron nitride; wherein the modified boron nitride is silane coupling agent surface modified boron nitride. According to the UV-cured matte skin-touch coating disclosed by the embodiment of the invention, based on the combined action of the (2-hydroxyethyl) isocyanuric acid triacrylate, the fluorosilicone modified acrylate and the modified boron nitride, the coating has ultra-low gloss and also has high hardness, high temperature resistance and fine and smooth skin touch.

The invention discloses a fire extinguishing microcapsule and a preparation method thereof, and belongs to the technical field of fire extinguishing. The fire extinguishing microcapsule comprises a capsule core and a capsule shell, and the raw material for preparing the capsule core comprises a water-based fire extinguishing agent; the capsule shell comprises an interfacial polymerization layer and a UV curing layer which are sequentially arranged from inside to outside, and the water-based fire extinguishing agent is wrapped in the interfacial polymerization layer. On one hand, the interfacial polymerization layer is a film formed through interfacial polymerization reaction, namely, the interfacial polymerization layer is formed by utilizing the hydrophilicity of the water-based fire extinguishing agent and the lipophilicity of the capsule shell, so that the sealing performance and the flexibility are improved; and on the other hand, the UV curing layer is formed by curing the raw materials for preparing the capsule shell through cross-linking under ultraviolet irradiation, so that the impact resistance and the deformation resistance of the capsule shell can be enhanced, and the mechanical strength and the high temperature resistance of the capsule shell are improved. In addition, the UV curing layer on the outer side and the interfacial polymerization layer on the inner side are sequentially formed in stages, the mechanical strength of the capsule shell is improved, and meanwhile the possibility of permeation loss of the water-based fire extinguishing agent is reduced.

The invention relates to the technical field of ink preparation, in particular to a quantum dot-containing LED-UV anti-forgery ink formula and an in-situ modification preparation process thereof, and the quantum dot-containing LED-UV anti-forgery ink formula comprises the following components in parts by mass: 2-8 parts of core-shell structure quantum dots, 20-40 parts of LED-UV curing resin, 15-30 parts of a reactive diluent, 3-8 parts of a photoinitiator, 1-5 parts of a composite anti-forgery functional aid and 5-15 parts of a high-purity solvent. The quantum dots are uniformly dispersed in an ink system after being subjected to in-situ modification treatment, in-situ modification is realized through chemical bonding of a surface modifier and hydroxyl and amino groups on the surfaces of the quantum dots, and LED-UV cured resin, an active diluent and a photoinitiator cooperate with an LED-UV light source of 365-405 nm to perform in-situ surface modification on the quantum dots, so that the quantum dots are uniformly dispersed in the ink system. The fluorescent powder is tightly combined with a resin system through chemical bonding, so that agglomeration and migration are fundamentally prevented, and the uniformity and stability of the fluorescent property are ensured.

The invention belongs to the technical field of high polymer materials, and particularly relates to a self-repairing paint surface protection film based on asynchronous curing. The self-repairing paint surface protection film comprises a UV curing layer, a thermocuring layer and a base film, the thermocuring layer is positioned between the base film and the UV curing layer; the thermocuring layer is prepared from the following components: Zn-MOFs (Metal-Organic Frameworks) modified polycarbonate polyol resin and isocyanate; the UV curing layer is prepared from the following components: a fluorine-containing acrylate oligomer, KH-560 modified nano TiO2 and a photoinitiator; furthermore, the thermocuring layer further comprises a microencapsulation repairing agent. Correspondingly, the invention further provides a preparation method of the self-repairing paint surface protection film based on asynchronous curing. Self-repairing and weather resistance of the protective film are compatible, the problem that a single curing coating or a traditional synchronous curing coating cannot give consideration to self-repairing, weather resistance, water resistance, stain resistance and mechanical properties is solved, the highest elongation at break is larger than or equal to 320%, and the elongation at break is remarkably improved compared with the elongation at break of a single thermocuring system.

The invention relates to a preparation method of environment-friendly multifunctional printing ink based on excimer UV curing, and belongs to the field of printing ink preparation. The preparation method comprises the following steps: compounding a hydroxyl-containing aliphatic polyurethane acrylate prepolymer and a carboxyl-containing epoxy acrylate oligomer according to a specific ratio; and adding a compound photoinitiator, a modified nano silicon dioxide filler and other components, and carrying out secondary sanding, vacuum defoaming and other processes to obtain the ink. According to the method, the adhesive force of a base material is improved through a hydroxyl-carboxyl synergistic effect, the wear resistance and hardness of a film layer are enhanced through nanofiller modification and a gradient grinding process, and efficient curing under 172nm excimer ultraviolet light is realized by compounding a photoinitiator. The curing time of the prepared ink is less than or equal to 1.5 seconds (the film thickness is 10 microns), the pencil hardness is more than or equal to 3H, the acetone wiping resistance is more than or equal to 50 times, the solid content is 65-75%, no VOC (Volatile Organic Compounds) is discharged, the problems that the traditional UV ink is slow in curing and unbalanced in performance are solved, and the ink is suitable for the fields of high-speed printing, high-end packaging, electronic circuits and the like.

The present invention discloses a large-area light-rechargeable zinc-ion soft-pack battery and its preparation method and application. The method comprises the following steps: folding an aluminum-plastic film in half along the center of its edge, processing an optical window in the center portion of one side of the aluminum-plastic film; defining a bonding area around the optical window, and processing a hole array in the bonding area; bonding an expanded polytetrafluoroethylene film to the bonding area of ​​the aluminum-plastic film, and UV curing the film to obtain an aluminum-plastic film bonded with the expanded polytetrafluoroethylene film; rolling a light-positive electrode material onto a titanium mesh to obtain a light-rechargeable positive electrode sheet; and coating a zinc metal negative electrode sheet, a GF / D glass fiber separator, and a light-rechargeable positive electrode sheet in the aluminum-plastic film bonded with the expanded polytetrafluoroethylene film from bottom to top, adding an electrolyte, and performing heat-pressing and edge-sealing to obtain a large-area light-rechargeable zinc-ion soft-pack battery. The present invention successfully overcomes the technical bottleneck of traditional light-rechargeable zinc-ion soft-pack batteries by optimizing the optical window design and the light-storage synergistic structure.

The invention discloses an epoxy acrylate high-molecular substance mixture for packaging an NTC (Negative Temperature Coefficient) temperature sensor and a preparation process of the epoxy acrylate high-molecular substance mixture, and belongs to the field of preparation of high-molecular compounds for packaging NTC temperature sensor chips. According to the present invention, the high hardness and the strong adhesion ability of the epoxy acrylate resin and the excellent flexibility, the excellent hydrophobicity, the excellent high and low temperature resistance and the excellent weather resistance of the phenyl organic silicon resin are well combined, the excellent physical property is provided, and the problem of poor compatibility of the organic silicon and the epoxy acrylate is solved by the multi-stage curing process of the UV curing and the thermal curing so as to achieve the good application prospect. And synergism enhancement of performance is realized.

A UV-tackifiable adhesive tape and a preparation method therefor. The UV-tackifiable adhesive tape comprises a substrate layer, a UV-tackifiable adhesive layer and a release film layer, wherein the substrate layer, the UV-tackifiable adhesive layer and the release film layer are sequentially laminated from bottom to top; and the UV-tackifiable adhesive layer comprises a modified polyester resin, a monofunctional UV photocuring monomer, a polyfunctional photocuring compound, a curing agent, a photoinitiator and a stabilizer. The UV-tackifiable adhesive layer comprises the modified polyester resin as a basic polymer, and the polyester resin can effectively improve the adhesion between the adhesive layer and a substrate before UV curing of the UV-tackifiable adhesive layer, improve the bonding strength between the UV-tackifiable adhesive layer having been UV-cured and an adhered object, and also enhance the high-temperature release force and weather resistance of the UV-tackifiable adhesive layer having been UV-cured.

The invention discloses a protective base film for a polaroid and a preparation method of the protective base film, and belongs to the technical field of optical display equipment protective films. The protective base film comprises an antistatic PET base material layer and a self-adhesive layer, the antistatic PET base material layer is prepared by blending optical-grade PET slices and antistatic master batches, the master batches are prepared by taking ionic liquid dihydric alcohol as a comonomer, and the base film is endowed with lasting and stable intrinsic antistatic performance; the self-adhesive layer is formed by melting and blending a polyurethane acrylate prepolymer, a modified montmorillonite filler, other matrix materials and auxiliaries according to a specific ratio and carrying out an online UV curing process. Through innovative material design and an integrated forming process, the prepared protective base film has excellent optical transparency, lasting antistatic property, appropriate bonding strength, clean stripping property and outstanding damp-heat aging resistance, the comprehensive performance is remarkably superior to that of a traditional gluing protective film, and the production process is more environment-friendly and efficient.

The invention provides a temperature control adjusting method and system for printing curing equipment. The temperature control adjusting method of the printing curing equipment comprises the steps that printing data information corresponding to a current printing task is uploaded to a database; the first grid setting factor and the second grid setting factor are used for carrying out grid division on a substrate surface irradiation area of the UV curing equipment, and a plurality of grid areas are obtained; performing target grid screening according to the real-time temperature change characteristic parameters of the grid region to obtain a target characteristic grid; and temperature compensation is carried out according to the adjustment target temperature obtained in the temperature control process of the UV curing equipment according to the temperature change characteristic parameters of the target characteristic grid, the compensated adjustment target temperature is obtained, and temperature regulation and control are carried out on the UV curing equipment according to the compensated adjustment target temperature. The system comprises modules corresponding to the steps of the method.