1243 results about "Light curing" patented technology

The invention provides an aviation anti-drag film curing process parameter optimization method and system oriented to multiple substrates, and relates to the technical field of data processing. By activating a light-heat combined curing process, reading substrate data of the substrates, establishing a surface layer curing index of an aviation anti-drag film, and configuring light curing parameters, the curing process parameters of the aviation anti-drag film are optimized; the surface state data of the aviation anti-drag film subjected to photocuring is collected, the temperature change gradient is set through ground state data, stage division is conducted on thermocuring, stage temperature change gradient self-optimization is conducted according to feedback data, feedback constraint and stage division results of temperature monitoring points, photocuring enhancement is conducted, and curing production of the aviation anti-drag film is completed. The technical problem that in the prior art, in the curing process of the aviation drag reduction film, temperature control is not accurate, curing is not uniform, and consequently the drag reduction performance is reduced is solved. And the technical effects of accurately controlling the temperature in the curing process of the aviation anti-drag film, improving the curing uniformity and enhancing the overall anti-drag performance of the anti-drag film are achieved.

The invention relates to the technical field of coupling machines, in particular to a full-automatic optical module FA coupling machine. Comprising a machine table, a coupling clamping table, a plate conveying mechanism, a plate supplying device, a plate collecting device, a composite mechanical arm, a plate taking and placing mechanism, a visual positioning mechanism, a dispensing mechanism, a light curing mechanism, two coupling driving mechanisms, two FA picking and plugging devices, an FA carrier transferring mechanism, an FA carrier supplying mechanism, an FA carrier collecting mechanism, a clamping opening mechanism and a cleanliness detecting mechanism. According to the automatic feeding device, automatic feeding of the plates and receiving and discharging of the charging tray can be achieved, automatic feeding of the optical module FA and receiving and discharging of the FA clamping carrier can also be achieved, the coupling production efficiency is greatly improved, the cleanliness of the end face of the plugging device is detected through the cleanliness detection mechanism, and the coupling production quality is improved.

The invention relates to composite resin for packaging a Topcon component as well as a preparation method and application of the composite resin. Comprising an acrylate monomer, an aliphatic polyurethane acrylate oligomer, hydroxyl acrylate, bisphenol A acrylate, maleic anhydride modified epoxy acrylate, a light curing agent, a latent curing agent, a flame retardant A, a flame retardant B, a thixotropic agent, an anti-aging agent, a UV absorbent and a light stabilizer. The composite resin has the comprehensive performance of high viscosity, low shrinkage, super weather resistance and flame retardance, the aluminum-containing backboard prepared from the composite resin is high in water resistance and super weather resistance, due to the fact that light-heat double-stage curing is adopted for curing, the resin collapses and is cured to generate a solid phase, and in the follow-up aluminum foil hot-pressing curing process, the solid phase is solidified to form a solid phase; the resin is further infiltrated and cured, the porosity of the resin can be greatly reduced through a dual-curing system, water cannot enter the interior in the long-term use process, and voltage breakdown reduction of the aluminum-containing back plate under the long-term damp and hot condition is completely eradicated.

The invention discloses a manufacturing method of an insulating printed circuit board based on high voltage resistance. The manufacturing method comprises the following steps: S1, mixing ceramic powder and polyimide, and heating and curing to form a base material; s2, pollutants on the surface of the base material are removed through a plasma cleaning technology, and the binding force of the base material and a subsequent layer is improved; s3, transferring a circuit pattern to the surface of the base material on the base material through a laser direct writing technology; s4, performing deposition on the circuit pattern through a vacuum deposition technology to form a copper film layer; s5, performing mask manufacturing by using photoresist, and removing the copper film layer which is not covered by the mask through wet or dry etching to form a circuit; s6, a laser drilling technology is used for drilling micropores, and the inner walls of the micropores are metalized through a chemical copper plating technology; and S7, after circuit manufacturing is completed, ultraviolet light curing epoxy resin is used as an insulating coating. The circuit board material and the implementation method are innovated, so that the problems in the prior art are solved, and the voltage resistance, the insulating property and the reliability of the circuit board are improved.

A hollow shaft torque motor of the photocuring 3D printer comprises a rotor, a stator and a hollow shaft, and the stator is fixed to a workbench; the lifting pipe is in threaded engagement with the hollow shaft, and the lifting pipe can only reciprocate in the vertical direction; the sleeve is fixed on the stator, the trough is engaged on the sleeve in a threaded manner, and the guide rod on the hollow shaft is slidably arranged in the guide hole of the trough wall in a penetrating manner; when the rotor rotates, the trough reciprocates between the first working position and the second working position, and the lifting pipe reciprocates between the third working position and the fourth working position. When the material groove is located at the first working position and the lifting pipe is located at the third working position, printing is conducted; and when the material groove is located at the third working position and the lifting pipe is located at the fourth working position, the release film is separated from the product model. The invention further discloses a photocuring 3D printing method. The moving distance and speed of the printing platform are reduced through descending of the material groove, abrasion of the ball screw and the lead screw nut is reduced, and the service life of equipment is prolonged.

The invention relates to a rapid detection device for the intensity of a light curing lamp, and relates to the technical field of light intensity detection equipment. The simulation mechanism comprises a plurality of connecting pipes, the axial directions of the connecting pipes are arranged in the length direction of the supporting cabinet, the connecting pipes are sequentially and coaxially communicated in the axial directions of the connecting pipes, supporting frames are arranged between the connecting pipes and the supporting cabinet, the connecting pipes are detachably connected with the corresponding supporting frames, and the supporting frames are slidably connected with the supporting cabinet; the detection mechanism comprises a detection pipe, the detection pipe is located between two adjacent connecting pipes, the detection pipe and the connecting pipes are coaxially arranged, the two ends of the detection pipe are detachably connected with the corresponding connecting pipes, and an ultraviolet intensity detection piece is arranged on the inner side wall of the detection pipe. According to the invention, the intensity of the photocuring lamp installed on the photocuring robot is directly detected, and rapid detection of the intensity of the photocuring lamp is realized.

The invention provides a universal light-cured resin preparation method, and relates to the technical field of light-cured resin preparation, and the method comprises the following steps: S1, preparation of microcrystalline wax-LMA; s2, preparing an acrylic resin matrix; s3, adding microcrystalline wax-LMA and other fillers into the acrylic resin matrix, and stirring and mixing; s4, then adding a diluent and other additives, and stirring and mixing; and S5, adding a compound photoinitiator, and stirring and mixing to obtain a finished product. Through the compound photoinitiator, the surface and the deep layer of the material are synchronously cured, and almost no curing stress exists, so that the material can be cured into a sheet layer without any buckling deformation in a sunken DLP (Digital Light Processing); and secondly, the microcrystalline wax-LMA forms a microphase separation structure in the material, so that the shrinkage and cracking of the material are greatly reduced, and the effects of improving the strength and the toughness can be achieved.

The utility model discloses a hardened anti-blue-light resin car room lens, which comprises a resin substrate, an anti-blue-light resin layer and an anti-blue-light resin layer, the composite hardened film layer group is dip-coated on the surface of the resin substrate and comprises an organic silicon bottom layer, a silicon-zirconium mixed layer and an organic silicon outer layer; the anti-blue-light film layer is plated on the surface of the composite hardened film layer group and comprises a silicon dioxide layer, a titanium dioxide layer, a silicon dioxide layer, a titanium dioxide layer, a silicon dioxide layer and an indium tin oxide layer from inside to outside; the ultraviolet light curing protective layer is spin-coated on the surface of the blue light preventing film layer; and the silicon fluoride layer is arranged on the surface of the ultraviolet curing protective layer. By arranging the composite hardened film layer group consisting of the organic silicon bottom layer, the silicon-zirconium mixed layer and the organic silicon outer layer, the hardness of the resin substrate is improved, and meanwhile, the blue-light-proof film layer is plated on the outer side, so that the blue-light-proof effect is enhanced by combining the six layers of films.

The invention discloses a UHPC-foam concrete composite material with a sandwich structure and a preparation method of the UHPC-foam concrete composite material. The composite material comprises two ultra-high performance concrete (UHPC) panel layers, a foam concrete sandwich layer of a negative Poisson's ratio three-dimensional framework prepared through a photocuring three-dimensional printing technology is arranged between the two ultra-high performance concrete (UHPC) panel layers, and the three-dimensional framework is of an inward-concave honeycomb topological structure and has the characteristic of transverse expansion after being pressed; impact stress can be effectively dispersed, and a dual energy dissipation path is formed through a synergistic effect with a porous energy absorption mechanism of the foam concrete. The panel layer and the sandwich layer are combined through a layered pouring process, and an interface is subjected to scabbling treatment so as to enhance the bonding strength. The composite material is superior to a traditional material in the aspects of compressive strength and energy absorption performance, is suitable for the fields of anti-explosion buildings, military protection engineering, frontier defense facilities and the like, and has a wide application prospect.

The invention relates to the technical field of ultraviolet light curing hose preparation, and discloses an ultraviolet light curing hose glue pressing device and method. Symmetrical driving assemblies are arranged on the left side and the right side of a conveying seat, each driving assembly is provided with a detection assembly in a driving mode, a rolling assembly is erected between the two detection assemblies, and a glue pressing assembly is arranged between the rolling assembly and the conveying seat. The unevenness of the surface of the lining hose after glue injection can be reflected through the change of the compression amount of the supporting spring, then under driving of the driving assembly, the detection assembly and the rolling assembly can be driven to frequently roll the lining hose into a plurality of sections of independent units, uniform distribution of resin impregnation liquid is facilitated, and the service life of the lining hose is prolonged. And then the driving assembly drives the rolling assembly to move forwards in a left-right reciprocating mode, independent units rolled on the lining hose are rolled and flattened, and the rubber pressing flatness is improved through front-back reciprocating rolling of the rolling assembly in cooperation with left-right reciprocating motion of the upper rolling assembly.

The invention discloses a photoinitiator-loaded up-conversion MOFs composite material for near-infrared light curing and a preparation method thereof, and belongs to the technical field of photopolymerization materials. The composite material comprises upconversion particles UCPs, MOFs modified on the surfaces of the UCPs, and a photoinitiator loaded on the surfaces and in pores of the MOFs, the material and a resin system are used for near-infrared light curing, and all the raw materials are counted in parts by weight; the coating is prepared from the following components in parts by weight: 20 to 40 parts of methacrylate oligomer, 25 to 45 parts of reactive diluent, 30 to 50 parts of epoxy resin, 0.3 to 3 parts of up-conversion particles, 0.1 to 0.75 part of MOFs (Metal-Organic Frameworks) and 0.3 to 3 parts of photoinitiator. The MOFs are used for loading the photoinitiator, the photoinitiator and the up-conversion particles UCPs form a heterostructure, and the photoinitiator is limited in an effective region of effective fluorescence resonance energy transfer of the UCPs, so that the up-conversion luminescence utilization rate of the up-conversion particles UCPs is improved, the curing speed and the crosslinking density are further improved, and the final performance of the material is improved.

The invention belongs to the technical field of dressing preparation, and particularly relates to a preparation method of a photocuring methacrylated gelatin hydrogel dressing, which comprises the following steps: step 1, dissolving methacrylated gelatin in a phosphate buffer solution to prepare a methacrylated gelatin solution with the mass concentration of 5-15%; 2, adding a natural photoinitiator into the solution obtained in the step 1, and uniformly stirring and mixing; 3, adding the traditional Chinese medicine active ingredient powder, and stirring until the powder is uniformly dispersed to obtain a mixed solution; and 4, pouring the mixed solution into a mold, and curing and molding under the irradiation of visible light. Chlorophyll or riboflavin is used as a natural photoinitiator and is directly dispersed in a methacrylated gelatin solution in a physical blending mode, a curing light source enables chlorophyll to completely avoid a chemical initiator, meanwhile, the process is simplified into physical stirring to replace nanoparticle synthesis and modification, visible light reduces the risk of tissue burn, the production cost is reduced, and the method is suitable for industrial production. The method is suitable for primary medicine.

The invention discloses photocuring 3D printing metal slurry and a preparation method thereof.The photocuring 3D printing metal slurry is prepared from, by mass, 30%-77% of organic monomers, 0.001%-20% of dispersing agents, 0.1%-6% of photoinitiators and 10%-67% of composite powder; the composite powder comprises an organic shell and a metal core. The compatibility of an organic matter shell and an organic monomer of the composite powder in the slurry is better, and the chemical interaction force of the surface is larger, so that the dispersion of the composite powder in an organic monomer solution is promoted, and good stability is provided for the photocuring slurry; the refractive index of the organic matter serving as the shell is close to the refractive index of the organic monomer solution, the refractive index difference between the powder and the organic monomer solution is reduced, the curing thickness of the slurry is greatly increased, and the stable photopolymerization slurry with the good curing characteristic is obtained.

The invention relates to the technical field of photo-curing lining hose machining, in particular to a pipeline non-excavation repair photo-curing lining hose, a production device and a production technology.The pipeline non-excavation repair photo-curing lining hose comprises a moving trolley, a lifting mechanism, a rotating mechanism, a large pressing roller and a plurality of small pressing rollers; according to the pipeline trenchless repair photocuring lining hose, the production device and the production process, before rolling, the bottom of the friction roller can be pushed through the stretching mechanism to penetrate out of the bottom of the small pressing roller, then the friction roller is pushed through the swing mechanism to swing in a reciprocating mode, the friction roller is driven to move through the moving trolley, and then the hose can be rubbed. And in the rolling process, the multiple small pressing rollers obliquely roll the hose, bumps are generated during rolling, and the friction roller descends to make contact with the bumps and rub the bumps, so that the resin in the hose is rubbed in the rolling process, and it is further guaranteed that large bubbles can become small bubbles.

The light curing machine comprises a handle shell, a light guide rod, a control circuit board, a power source assembly, a light source assembly and a shading assembly, the control circuit board, the power source assembly and the light source assembly are all arranged in the handle shell, the light guide rod is detachably connected with the handle shell, and the shading assembly comprises a miniature air pump and an annular shading air bag. The micro air pump is arranged in the handle shell, the annular shading air bag sleeves the light guide rod, the side wall of the light guide rod is provided with an inflation and deflation channel communicated with the annular shading air bag, the micro air pump is communicated with the inflation and deflation channel, the side walls of the upper end and the lower end of the handle shell are provided with air inlet grilles, and the power supply assembly, the light source assembly and the micro air pump are all electrically connected with the control circuit board. Through cooperative use of the micro air pump and the annular shading air bag, the annular shading air bag is unfolded for shading after being inflated, the sight of a doctor is not affected when the annular shading air bag is contracted on the light guide bar before being inflated, the working efficiency is improved, the heat dissipation effect of the light curing machine is good, and the service life can be prolonged.

The utility model discloses a UV printer which comprises a machine body, the upper surface of the machine body is a table top, an angle adjusting module, a material supporting module, a UV photocuring module and a hollow base are fixed to the table top, an ink-jet printing module capable of sliding transversely is installed on the top of the base, and a clamping module is fixedly connected to the side face of the base. The side face of the base is provided with a longitudinally-arranged first guide groove, one end of the clamping module can longitudinally move along the first guide groove, the clamping module is located below the ink-jet printing module, the angle adjusting module is located at the bottom of the clamping module, the top of the angle adjusting module is fixedly connected with one end of the clamping module, and the material supporting module is located below the clamping module. The device can print color ink, white ink and gloss oil on the surfaces of to-be-printed objects in different shapes such as a flat-plate-shaped object, a cylindrical object, a conical object or a circular-truncated-cone-shaped object, one machine has multiple purposes, equipment parts do not need to be replaced, the device is very convenient and efficient, and a large amount of machining cost can be saved.

The invention relates to the technical field of light-cured nitride ceramic materials, in particular to low-viscosity light-cured nitride ceramic slurry as well as a preparation method and application thereof. The light-cured nitride ceramic slurry is prepared by carrying out ball milling and mixing treatment on nitride ceramic composite powder, polyacrylate, a first dispersing agent DC, a stabilizer and a photoinitiator according to the mass ratio of (65 to 75) to (15 to 30) to (1.0 to 5.0) to (5.0 to 10.0) to (0.5 to 1.5). According to the photocuring nitride ceramic slurry, the solid content is larger than or equal to 65 wt.%, the photocuring depth is larger than or equal to 60 micrometers, the viscosity is smaller than or equal to 2500 mPas, the viscosity change rate is smaller than or equal to 10% after the slurry naturally stands for 200 h, the sedimentation rate is smaller than or equal to 20%, and the technical problem that the solid content, the viscosity, the photocuring depth and the long-term stability of traditional photocuring nitride ceramic slurry are difficult to consider at the same time is solved. And the manufacturability of nitride ceramic slurry photocuring 3D printing of large-size complex structural parts is remarkably improved.

1. The name of the product of this design: Light curing machine (handheld). 2. Purpose of the product of this design: used for curing photosensitive materials. This product is a medical device, mainly used for curing photosensitive hydrogels on wounds / wound surfaces on the body surface. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The invention provides efficient temperature control photocuring equipment which comprises a curing module, a heat dissipation cavity, an air guide module and a cooling module, and the curing module comprises a curing light source and a curing cavity formed in the light facing side of the curing light source; the heat dissipation cavity is communicated with the curing cavity; the air guide module comprises an air guide pipe and a fan, the air guide pipe is communicated with the curing module and the heat dissipation cavity, and the fan is used for driving air around the curing light source and / or in the curing cavity to enter the heat dissipation cavity; the cooling module comprises an evaporator and a refrigeration assembly, the evaporator is arranged in the heat dissipation cavity and used for cooling air flowing from the heat dissipation cavity to the curing cavity, and the refrigeration assembly is connected with the evaporator and used for cooling a medium in the evaporator. On the premise that the environment temperature is not affected, efficient heat dissipation of the photocuring equipment can be achieved.

The invention relates to the technical field of coatings, and discloses an antibacterial and mildew-proof photocureable coating, which is prepared from the following raw materials in percentage by mass: 49 to 60 percent of photocureable resin, 27 to 40 percent of ultraviolet curing monomer, 3 to 7 percent of photoinitiator and 0 to 15 percent of additive, and the content of the additive is not 0; the additive is an aromatic aldehyde compound. According to the antibacterial and mildew-proof photocureable coating comprising the photocureable resin, the ultraviolet curing monomer, the initiator and the additive, the raw materials are limited in a specific range, and the aromatic aldehyde compound is used as the additive, so that the antibacterial and mildew-proof photocureable coating has a good mildew-proof effect; and the curing strength of the cured coating can be effectively improved.

The invention belongs to the technical field of 3D printing photocuring, and particularly relates to photocuring organic silicon modified polyurethane acrylate resin as well as preparation and application thereof. According to the invention, isophorone diisocyanate is used as a hard segment, polypropylene glycol-1000, dimethylolpropionic acid and dihydroxy-terminated silicone oil are used as soft segments, and the light-cured organic silicon modified polyurethane acrylic resin is synthesized with pentaerythritol triacrylate. By controlling the hydroxyl content in the double-terminal hydroxyl silicone oil and the proportion of the double-terminal hydroxyl silicone oil in a soft segment, the prepared organic silicon modified polyurethane acrylic resin has better flowability and light transmittance and higher double bond content; the organic silicon modified polyurethane acrylic resin, the acryloyl morpholine and the photoinitiator are cured according to a specific proportion, and the obtained elastomer has good mechanical properties and thermal stability and has high printing precision. The synthesized organic silicon modified polyurethane acrylate resin has the potential of replacing a traditional polyurethane acrylate material.

The invention discloses a chamber supporting method and structure based on ultraviolet curing resin and a construction device. The construction method comprises the steps that a flexible ultraviolet light curing resin fiber belt is positioned at the bottom of one side of the inner wall of the chamber, and a fixing anchor rod is driven into the flexible ultraviolet light curing resin fiber belt for fixing; an arch-shaped support is installed, and a telescopic supporting mechanism is installed on the arch-shaped support in a sliding mode; the flexible ultraviolet light curing resin fiber belt is tightly attached to the inner wall of the chamber and is annularly unfolded along the inner wall of the chamber, and telescopic supporting mechanisms are adopted for supporting the flexible ultraviolet light curing resin fiber belt at certain intervals; tearing off a light-proof film on the flexible ultraviolet light curing resin fiber band, and irradiating the flexible ultraviolet light curing resin fiber band with ultraviolet light; and after the flexible ultraviolet light curing resin fiber belt is completely cured, the telescopic supporting mechanism is contracted, the arched support is removed, and construction of the chamber supporting structure is completed. The method has space adaptability, deformation coordination and rapid construction capacity, and efficient and stable supporting of the chamber is achieved.

The invention provides an anti-seismic design analysis method for a transformer substation lightning rod viscoelastic damper damping structure, and relates to the technical field of mechanical parameter design. A connecting sleeve shell with a supporting cavity is arranged at the connecting point of a viscoelastic damper and a lightning rod, and a self-healing material, a heating piece and a light curing lamp are combined for use; the crack can be effectively repaired, the service life can be prolonged, and according to the specific crack self-healing time and the preset expected value of the strength recovery rate, quantitative selection standards are adopted, so that evaluation and selection of the self-healing material are more scientific and systematized; the design is divided into three stages, and different types of self-healing materials are adopted for each stage of design, so that the structure is ensured to have excellent self-healing performance under different working conditions.

The invention discloses a photo-curing material as well as a preparation method and application thereof, belongs to the technical field of resin materials, and solves the problem that the waterproof performance of a photo-curing material in the prior art is not ideal enough. The preparation method of the photocuring material comprises the following steps: mixing an organic fluorine monomer and a castor oil-based oligomer according to a mass ratio of 1: (4-9), and adding a reactive diluent and a photoinitiator to obtain a mixed solution; mixing and stirring the mixed solution under a heating condition to obtain the photocuring material. According to the preparation method provided by the invention, castor oil-based resin is taken as a research object, hexafluorobutyl methacrylate is introduced into the molecular structure of castor oil according to different mass proportions, and fluorine is introduced to modify the existing castor oil resin so as to endow the material with hydrophobicity; due to the active reaction characteristic of the introduced-NCO group, the chemical crosslinking degree of the material can be increased.

The invention relates to the technical field of signal transmission, computer vision, image recognition, printing and the like, and provides a method and a system for transferring textures in a mobile phone shell based on visual recognition and the mobile phone shell. When the in-place positioning pieces are inserted into all the positioning hole positions, prompting to coat transfer printing glue, controlling the texture mold to be attached to the transfer printing surface of the mobile phone shell base material in an in-place manner, carrying out internal texture transfer printing, carrying out light curing and image shooting on the transfer printing surface after transfer printing, and obtaining a texture transfer printing image; the texture deviation state, the miscellaneous point state, the scratching state, the stripe printing state and the crystal point state of the texture on the transfer printing face are analyzed through a texture analysis algorithm, the mobile phone shell base material with the qualified transfer printing face texture appearance flows into the next procedure, and therefore the insertion state of the positioning piece and the transfer printing face texture appearance are intelligently detected, and the detection efficiency and precision are improved.

The invention relates to the technical field of packaging of organic light-emitting devices, in particular to a photocuring composition for packaging an organic light-emitting device, a packaging structure and a display device. The light-cured composition comprises a light-curable vinyl ether monomer, a light-curable diluting monomer and an initiator; the molecular structure of the photocurable vinyl ether monomer contains C6-C30 substituted or unsubstituted aryl, the aryl at least contains two photocurable cross-linking groups, and the cross-linking groups contain at least one vinyl ether functional group. The photocuring composition has the advantages of high light transmittance, high curing rate, low gas output, high heat resistance, air curing and the like, and can meet the high-performance requirement of thin film packaging.

The invention provides a silicon carbide MOS device chemical plating grid electrode protection method and a process structure, and the protection method comprises the steps: enabling a contact surface of a printing net to be pasted on a target wafer, enabling the position of a mesh to correspond to the position of a grid electrode bonding pad, enabling a net body to accurately cover a region of a source electrode bonding pad, enabling a protection glue to be accurately coated on a designated region instead of the whole surface of the target wafer, and enabling the surface of the target wafer to be protected. Therefore, the use amount of the protective glue is effectively saved and cost is reduced. After gluing is completed, a protective glue layer with a stable structure is formed on the surface of the grid bonding pad through a light curing process, and the protective layer has the peelable characteristic while keeping good adhesive force. And after the chemical plating treatment of the source electrode bonding pad is completed, the protection glue layer can be completely removed without residual pollutants, so that the reliable protection of the grid electrode bonding pad is realized. According to the chemical plating grid protection method for the silicon carbide MOS device, the protection effect and the process stability of the grid region in the chemical plating process are improved by optimizing the selection of the protection material and the coating process.

In order to overcome the flammable disadvantage of wood materials, improve the safe use performance of the wood materials and reduce the use of petrochemical-based flame retardants, a solid wood board can be subjected to dipping flame-retardant treatment by preparing a bio-based flame retardant, forming a nitrogen-phosphorus metal series synergistic flame-retardant system and brushing a photocureable coating added with metal ions. The high-efficiency functional wood material with flame-retardant and early-warning functions is prepared.

The invention discloses a ZTA ceramic interbody fusion cage and a preparation method and application thereof.The ZTA ceramic interbody fusion cage is composed of a compact outer wall and a porous interior, and the porous interior is of a gradient porous three-period minimal curved surface structure; the ZTA ceramic interbody fusion cage is made of a calcium magnesium silicate mineral / ZTA composite ceramic material, and the preparation process of the ZTA ceramic interbody fusion cage comprises the following steps: preparing ceramic powder and a photosensitive raw material according to a design ratio, mixing the materials to obtain ceramic slurry, adding the ceramic slurry into light-curing printing equipment, carrying out light-curing printing according to a ZTA ceramic interbody fusion cage model to obtain a ceramic biscuit, and sintering the ceramic biscuit to obtain the ZTA ceramic interbody fusion cage. The ceramic biscuit is degreased and sintered, and the ZTA ceramic interbody fusion cage is obtained.The gradient bionic structure interbody fusion cage has the advantages of being matched with autogenous bones in mechanical property, adjustable in performance, good in biocompatibility, good in bone induction performance and the like.

The invention provides an underwater electrostatic hydraulic transparent driver, a soft propeller and a mute unmanned aerial vehicle. The underwater electrostatic hydraulic transparent driver comprises a liquid bag, a wire, a hydrogel electrode, a first layer of transparent light curing adhesive, a PET adhesive tape and a second layer of transparent light curing adhesive, a hydrogel electrode is pasted on the outer side of the liquid bag, and a wire is arranged between the hydrogel electrode and the liquid bag; the periphery of the hydrogel electrode is coated with a first layer of transparent photo-curing adhesive, PET adhesive tapes are adhered to the outer sides of the hydrogel electrode and the first layer of transparent photo-curing adhesive, and the periphery of the PET adhesive tapes is coated with a second layer of transparent photo-curing adhesive. After the flexible thruster is powered on, films on the two sides of the liquid bag attract each other due to the electric charge effect, internal silicone oil is extruded to the connecting position of the square plate and the fin-shaped structure, the driver shrinks, and under the positive and negative alternating current effect, the flexible thruster driving arm swings regularly to drive the whole to float upwards or steer.