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58results about How to "Fully cured" patented technology

Equipment and method for preparing spray condensation microcapsules

The invention discloses equipment and a method for preparing spray condensation microcapsules, and relates to the technical field of spray condensation microcapsule preparation, the equipment comprises a melting homogenizing kettle and a condensing tower, a spray head is arranged in the condensing tower, and a movable spray mechanism used for enabling the spray head to move circumferentially and swing back and forth at the same time is mounted on the condensing tower. Through the arrangement of the movable spraying mechanism, the spraying head can spray material liquid drops in the condensing tower in a back-and-forth swinging manner while moving circumferentially, so that the material liquid drops can be uniformly dispersed in a wider area and can be in contact with more cold air, local supercooling or superheating is avoided, and a more uniform cooling effect is obtained; meanwhile, through the matched arrangement of the spiral blades, cooling airflow can spirally flow and be uniformly distributed, the gas-liquid contact area is increased, the gas-liquid contact time is prolonged, gas-liquid exchange is more sufficient, finally, it can be ensured that each material liquid drop can be sufficiently cooled, and the embedding efficiency and the quality of microcapsules are effectively improved.
Owner:JIANGXI TIANJIA BIOLOGICAL ENG CO LTD

Phase change fiber membrane with composite core-sheath structure as well as preparation method and application of phase change fiber membrane

The invention discloses a phase change fiber membrane with a composite core-sheath structure and a preparation method and application thereof.The method comprises the steps that polyacrylonitrile is dissolved in N 'N-dimethylformamide and stirred to be completely dissolved, then hydroxylated boron nitride is added, the hydroxylated boron nitride is evenly dispersed through ultrasonic treatment, and a sheath spinning precursor solution is prepared; dissolving polyethylene glycol in N 'N-dimethylformamide, stirring to melt the polyethylene glycol, and taking the polyethylene glycol as a core layer spinning precursor solution; preparing a phase change fiber membrane with a core-sheath structure from the sheath spinning precursor solution and the core spinning precursor solution through a coaxial electrostatic spinning process; and placing the phase change fiber membrane with the core-sheath structure in an ethanol dispersion liquid of hydroxylated boron nitride, carrying out ultrasonic dip-coating, and then carrying out cold pressing treatment to prepare the phase change fiber membrane with the composite core-sheath structure. The obtained composite core-sheath structure phase change fiber membrane has good latent heat property, thermal conductivity and flexibility, and meanwhile, leakage of the phase change material is prevented through the core-sheath structure.
Owner:SHAANXI UNIV OF SCI & TECH

Method for improving bonding fastness of aramid fiber rope

The invention discloses a method for improving the bonding fastness of an aramid fiber rope, which comprises the following steps: S1, after secondarily twisted aramid fiber passes through a first drafting unit by a yarn storage frame, dipping the aramid fiber in a bath glue solution, and then passing through a drying oven H1 of 100-130 DEG C; s2, after coming out of the drying oven H1, sequentially passing through a second drafting unit, two-bath glue solution dipping and a drying oven H2 with the temperature of 180-200 DEG C; and S3, after being discharged from the drying oven H2, sequentially passing through a drying oven H3 at the temperature of 200-240 DEG C, a fourth drafting unit, three-bath glue dipping, a drying oven H4 at the temperature of 120-180 DEG C and a fifth drafting unit, and finally entering a winding machine. Through the multi-step and multi-factor synergistic treatment method, the bonding fastness of the aramid fiber rope and the rubber is successfully improved, and remarkable effects are achieved in the aspects of adhesive force, glue scraping and the like.
Owner:ZHEJIANG UNIFULL IND FIBER CO LTD

Method for prolonging service life of electrode during resistance spot welding of aluminum-zinc plated steel plate

The invention provides a method for prolonging the service life of an electrode during resistance spot welding of an aluminum-zinc plated steel plate, which relates to the technical field of welding and comprises the following steps: machining the aluminum-zinc plated steel plate into a preset workpiece; performing pretreatment; setting welding process parameters; welding; the welding spot quality evaluation is used for obtaining the nugget diameter of the welding spot on one hand and comparing the nugget diameter of the welding spot with a preset nugget diameter index on the other hand, and when it is judged that the nugget diameter of the welding spot meets the requirement, shearing force value judgment is executed, and therefore an evaluation result is output; and electrode quality evaluation: on one hand, acquiring the working surface diameter of the electrode, and on the other hand, comparing the working surface diameter change of the electrode with the preset working surface diameter change so as to evaluate the wear condition of the electrode. By optimizing the resistance spot welding process, the current is reduced, so that the instantaneous welding temperature is reduced, the generation of Cu-Zn alloy with poor electrical conductivity and thermal conductivity and the adhesion on the electrode are reduced, the temperature rise of the electrode is delayed, and the service life of the electrode is prolonged.
Owner:PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP +1

Beta-naphthol-based trifunctional resin / carbon fiber / diethylenetriamine composite material as well as preparation method and application thereof

The invention discloses a beta-naphthol-based trifunctional resin / carbon fiber / diethylenetriamine composite material and a preparation method and application thereof, and belongs to the technical field of polymer resin.The preparation method includes the steps that beta-naphthol-based trifunctional resin and diethylenetriamine are evenly mixed and coated on a plurality of carbon fibers, and after high-temperature curing, pressing and cooling, the beta-naphthol-based trifunctional resin / carbon fiber / diethylenetriamine composite material is obtained; the beta-naphthol-based trifunctional resin / carbon fiber / diethylenetriamine composite material is obtained; the beta-naphthol-based three-functional-group resin is prepared by carrying out polymerization reaction on beta-naphthol, formaldehyde and epoxy chloropropane under the condition of an alkaline medium. Through cross-linking reaction between the beta-naphthol-based trifunctional resin and the curing agent diethylenetriamine with amino, the molecular chain of the epoxy resin is tighter, the intermolecular force is enhanced, a stable cross-linked structure is formed, the curing efficiency of the epoxy resin is improved, and the cured product has higher hardness and glass transition temperature. The doping of the carbon fibers enables the mechanical properties of the epoxy resin to be significantly improved.
Owner:CHINA SOUTHERN POWER GRID COMPANY

Gluing and printing process for high-temperature-resistant insulating protective film

The invention relates to the technical field of gluing printing, in particular to a high-temperature-resistant insulating protective film gluing printing technology which comprises a PET film and a PI film, the PET film and the PI film are connected through UV gluing, and the high-temperature-resistant insulating protective film gluing printing technology is implemented through gluing printing equipment. The PET film and the PI film are connected through the UV gluing technology, the PET film is known as good mechanical strength and weather resistance, the PI film has high temperature resistance and insulation performance, the high-temperature-resistant insulation protective film is obtained through combination of the PET film and the PI film, and the stability in the electrical insulation and high-temperature environment is excellent. In addition, PI has the characteristic of high temperature resistance, PET has the characteristic of insulation, and the PI film and the PET film are tightly laminated through UV glue coating, so that the product has the double-layer characteristics of fire prevention and insulation.
Owner:SUNWAY PRECISION TECHNOLOGY (GUANGDONG) CO LTD

UV adhesive for wig connection and preparation method thereof

PendingCN121801521Asmall smellSolve the problem of persistence that cannot be satisfied for more than one monthNon-macromolecular adhesive additivesPolyureas/polyurethane adhesivesMethacrylatePolymer science
The invention relates to the field of photocuring adhesives, and mainly relates to a UV adhesive for wig connection and a preparation method thereof. The UV adhesive for wig connection is prepared from the following components in parts by weight: 30 to 50 parts of urethane acrylate, 45 to 70 parts of first reactive diluent, 2 to 4 parts of photoinitiator and 2 to 4 parts of fumed silica, the first active diluent is prepared from two or a mixture of more than two of acryloyl morphine, 2-acrylic acid-2-(2-phenoxy ethyoxyl) ethyl ester, dicyclopentadiene acrylate and ethylene glycol dicyclopentenyl ether methacrylate. The preparation method comprises the following steps: mixing the components, heating in a water bath, and stirring to obtain the UV adhesive for wig connection. The UV adhesive for wig connection provided by the invention is low in odor, good in durability and good in matte effect.
Owner:HEYUAN RANSHENG NEW MATERIALS CO LTD

Waterproof label coating coating machine

The utility model discloses a waterproof label coating coater which comprises a base, an unwinding wheel, a coating wheel, a cleaning sponge and an ultraviolet lamp, the unwinding wheel is arranged above the base, the coating wheel is arranged right above a conveying wheel, a coating box is arranged on the outer side of a fixing frame, the cleaning sponge is arranged on the outer side of an upper conveying roller, and the ultraviolet lamp is arranged on the outer side of a lower conveying roller. A mounting frame is arranged on one side of the coating wheel and fixedly mounted on the inner wall of the fixing frame, a carrier roller is arranged on the inner wall of the mounting frame, and an ultraviolet lamp is arranged at the top end of the interior of the mounting frame. Through the arrangement of the ultraviolet lamp, after the surface of the label is coated, ultraviolet drying is carried out through the ultraviolet lamp, it can be ensured that waterproof coating on the surface of the label is fully cured in a short time, a firm and durable waterproof layer is formed, and the waterproof performance of the label can be improved; the production efficiency can be remarkably improved, energy is saved, environment is protected, coating performance is kept, and product quality is improved.
Owner:JIANGSU SIMINO PACKAGING TECH CO LTD

Circulating transportation and heating curing oven

The utility model discloses a circulating transportation heating curing oven, and relates to the technical field of curing oven equipment, which comprises a circulating transportation mechanism arranged in a curing oven box body, and the feed end and the discharge end of the circulating transportation mechanism are respectively positioned at the feed port and the discharge port of the curing oven box body; the plurality of conveying molds are arranged and conveyed on the circulating conveying mechanism; wherein the circulating transportation mechanism is arranged in the curing oven box body in an S shape, and the transportation mold is transported in the circulating transportation mechanism in a reciprocating mode. According to the circulating transportation heating curing oven, the circulating transportation mechanism prolongs the residence time of the production line in the curing oven box body under the condition that the conveying speed of the production line is not convenient, so that products in a transportation mold can be fully cured without increasing waiting time, the production efficiency of the production line is improved, the improvement cost is low, and the production efficiency is improved. And the product forming quality and the production efficiency are effectively improved.
Owner:DONGGUAN XINHUA INSTR

High flash point alkyd protective coating and method of making same

The application discloses a high-flash-point alkyd protective paint and a preparation method thereof. The paint is a single-component product and specifically comprises high-flash-point alkyd resin, mixed alkane / aromatic hydrocarbon solvent oil, pigment, filler, bentonite, dispersant, drier, anti-skinning agent and the like. The paint has the advantages of high flash point (67-70 DEG C), fast drying, anti-yellowing, impact resistance, salt water resistance, excellent adhesion, high solid content, low VOC content and the like, and can be stored and transported as common goods.
Owner:NANJING CHANGJIANG PAINT

Glass fiber reinforced plastic correction device and method

The glass fiber reinforced plastic correction device is characterized in that the glass fiber reinforced plastic correction device comprises a top plate (1), a pressing block (3), a positioning plate (4) and a heating plate (5), the four ends of the bottom of the top plate (1) are welded to the tops of four supporting rods (6), and the bottoms of the four supporting rods (6) are welded to a bottom plate (7); the four ends of the positioning plate (4) are arranged outside the supporting rods (6) in a sleeving mode, the supporting rods (6) are welded to the positioning plate (4), the heating plate (5) is arranged below the positioning plate (4), the top of the heating plate (5) is tightly attached to the positioning plate (4), and a heating coil is arranged in the heating plate (5). Four hydraulic rods (2) are installed at the bottom of the top plate (1), two pressing blocks (3) are arranged below the four hydraulic rods (2), and the telescopic ends of the bottoms of every two hydraulic rods (2) are welded to the top of one pressing block (3). According to the invention, the problems that the thickness of the product is inconsistent, the shrinkage stress of each area is different, and the shape and size of the product are changed due to the release of residual stress are solved.
Owner:BEIJING HANGTIAN XINFENG MECHANICAL EQUIP

Water-based imitation leather paint spraying method for metal fasteners

According to the water-based imitation leather paint spraying method for the metal fastener, the water-based imitation leather paint is adopted for spraying the metal fastener, harmful gas emission is effectively reduced, and the environmental protection performance is improved. The specific primer and the water-based imitation leather paint are prepared, particularly the water-based imitation leather paint is sprayed in a semi-dry adhesive state of the primer, and then baking is performed, so that the primer and the water-based imitation leather paint can be fully cured to form a firm paint film layer, the surface quality of the metal fastener is improved, and the service life of the metal fastener is prolonged; the adhesive force and the weather resistance of the water-based leather-like paint on the metal fastener are improved. The waterborne polyurethane resin has good wear resistance, weather resistance and environmental protection performance, and by adding the silicon dioxide, the DPM film-forming agent, the polydimethylsiloxane dispersion liquid and other assistants, the film-forming property and adhesive force of the waterborne polyurethane resin are improved, and meanwhile, the weather resistance and wear resistance of a paint film are improved.
Owner:深圳市联星服装辅料有限公司

Backlight module structure of hybrid liquid crystal display

The application relates to a backlight module structure of a hybrid liquid crystal display screen and relates to the technical field of hybrid liquid crystal display screens. The backlight module structure of the hybrid liquid crystal display screen comprises a storage assembly mounted in an F frame and a slideable guide. The storage assembly and the inner wall of the F frame form a storage groove for pre-storing UV glue, and the UV glue is output through a communicating outlet. The guide is located at a first position when an optical assembly is not assembled, and the outlet is blocked. In the process of inserting and assembling an optical film and an optical diffusion plate, the guide is forced to slide to a second position, so that the outlet is opened, the UV glue flows out and is bonded to the optical film and the diffusion plate. The structure combines sliding control and structural triggering mechanism, is beneficial to realizing automatic bonding, and improves assembly efficiency and connection stability.
Owner:HUAXIN TECH (ENSHI) CO LTD

Curable resin composition

PendingEP4372021A4excellent heat curing propertysufficient curabilityNon-macromolecular adhesive additivesPolyureas/polyurethane adhesives
The object of the present invention is to provide a curable resin composition that exhibits high curability even when subjected only to heat curing treatment, and that gives, by UV curing treatment and subsequent heat curing treatment, a cured product which has moderate flexibility and elongation, and has improved shock-absorbing capacity compared to cured products provided by conventional UV- and thermo-curable adhesives. The present invention provides a curable resin composition comprising the following components (A) to (E): (A) an urethane compound containing a (meth)acryloyl group(s), (B) a (meth)acrylate compound containing no urethane bond, (C) a polyfunctional thiol compound, (D) a photo-radical initiator, and (E) a thermal curing accelerator, wherein total number (total amount) of (meth)acryloyl groups for the (A) urethane compound containing a (meth)acryloyl group(s), total number (total amount) of (meth)acryloyl groups for the (B) (meth)acrylate compound containing no urethane bond, and total number (total amount) of thiol groups for the (C) polyfunctional thiol compound satisfy a predetermined relationship.
Owner:NAMICS CORPORATION

3D printing drying device and drying method thereof

The invention relates to the technical field of 3D printing, and discloses a 3D printing drying device and a drying method.The 3D printing drying device comprises a drying mechanism, the drying mechanism further comprises a drying oven, a gas collecting shell is fixedly connected to the bottom of the inner wall of the drying oven, and four connecting frames are fixedly connected to the top of the inner wall of the drying oven; a worker places a model needing to be dried on a placing plate, then a drying oven is started for heating to dry the model, in the drying process, an electric telescopic rod is started to stretch out, an extrusion plate is pushed to extrude gas in a gas collection shell, the gas can be blown out around the model from a gas outlet pipe, heat around each model flows uniformly, the extrusion plate is continuously moved, and the model is dried. Gas extruded by the extrusion plate can be blocked by the gas blocking plate, and the gas can generate high pressure until the extrusion plate pushes the spring connecting plate to rotate and drives the gas blocking plate to rotate, so that the high-pressure gas is sprayed out towards the fan-shaped frame through the gas spraying pipe, the fan-shaped frame rotates to drive the placing plate to rotate, the position of the model is changed, and the whole model is heated uniformly.
Owner:XINXIANG UNIV

Preparation process of Taika skin-friendly film

PendingCN121992664AAccurate alignmentHigh preparation precisionTextiles and paperScreen printingPolymer science
The invention discloses a preparation process of a skin-friendly thin film of a special skin drawing. The process comprises the steps of preparation of a gauze braided fabric, shaping of the braided fabric, fixing of a frame, accurate alignment, alignment calibration, primary polymer permeation, silk screen sleeve printing, curing forming, multi-round circulation and forming of a skin-friendly layer. The base layer is prepared from a modified polydimethylsiloxane elastic polymer, the skin-friendly layer is formed by a special modified polydimethylsiloxane superelastic polymer, and functions and skin-friendly performance are both considered; and by combining multi-machine-head silk-screen printing, multi-temperature-section curing and multi-round process circulation, customization of the number of layers, the thickness and the function of the thin film is achieved. The method has the advantages of whole-course numerical control automation, stable production, high efficiency, low cost, suitability for industrial batch production, stable film structure, long service life and good use experience.
Owner:DONGGUAN TEFULA NEW MATERIAL TECHNOLOGY CO LTD

Multi-station self-adaptive flexible material coating machine

The utility model relates to the technical field of coating machines, and discloses a multi-station self-adaptive flexible material coating machine which comprises a working table, a plurality of groups of supporting legs are fixedly connected to the surface of the working table, three groups of first coating rollers are rotatably connected to one sides of the plurality of groups of supporting legs, and a top plate is fixedly connected to the top surface of the working table. According to the multi-station self-adaptive flexible material coating machine, through the arrangement of a first coating roller and an adjusting assembly, when the multi-station self-adaptive flexible material coating machine is used, a flexible material is placed on the first coating roller, a hydraulic rod is started, the hydraulic rod moves to drive a rotating block to move, and the rotating block moves to drive a second coating roller to move; when the second coating roller moves, the flexible material on the first coating roller is extruded, so that the tension of the flexible material on the first coating roller can be adjusted, the coating can be uniformly distributed on the surface of the flexible material, the problems of non-uniform coating thickness, coating missing and the like are avoided, and the quality and the performance of a product are improved.
Owner:KAIREN PRECISION MATERIALS (JIANGSU) CO LTD

Display device manufacturing process and display device

The present invention discloses a display device preparation process and a display device, wherein the display device preparation process includes the steps of first attachment, initiation, second attachment, hot pressing and degassing; the display device is made by the display device preparation process. In the present invention, the initiator in the bonding adhesive is stimulated in advance, so that the curing of the bonding adhesive runs through the second attachment, hot pressing and degassing steps, and the bonding adhesive has sufficient curing time, which is conducive to improving the curing degree of the bonding adhesive. Compared with the traditional preparation process, the curing method after degassing effectively shortens the preparation time of the display device and improves the preparation efficiency of the display device. The bonding adhesive continues to react and cross-link in the subsequent steps, and no other curing steps need to be set, so that the preparation process of the display device is simpler and easy to execute.
Owner:SHENZHEN XINJIAXIN ELECTRONICS CO LTD

A three-stage conveying speed UV light curing apparatus

ActiveCN224308887USolve production inefficienciesfully curedPretreated surfacesCoatingsUV curingMechanical engineering
This utility model discloses a UV curing device with three conveying speeds, including a frame. A conveying mechanism is installed inside the frame, and an upper cover assembly is fixedly installed on the top of the frame. The conveying mechanism is located below the upper cover assembly and includes a feeding conveying section, a curing conveying section, and a discharging conveying section. The feeding and discharging conveying sections have the same speed, while the curing conveying section has a lower speed than the feeding and discharging conveying sections. The upper cover assembly includes an upper cover body and a UV lamp. The UV lamp is mounted on the upper cover body via a lamp lifting assembly, and a reflector structure is installed inside the upper cover body. This utility model effectively solves the problem of low production efficiency in commercially available UV curing equipment by setting three different conveying speeds: high-speed conveying of the feeding and discharging sections and low-speed conveying of the curing section.
Owner:SHENZHEN HENGHU TECH CO LTD

Polymer and method for producing same, photosensitive resin composition, cured product, and monomer compound and method for producing same

The invention provides a polymer, a photosensitive resin composition containing the polymer, and a cured product thereof, wherein the polymer can form a cured product with excellent solvent resistance even under low-temperature curing conditions and has excellent storage stability. The present invention relates to a polymer characterized by having a structure represented by formula (1) (in the formula, X represents a hydrogen atom or a methyl group. And L represents a linear or branched divalent organic group. And Y represents an organic group which is decomposed by the action of an acid or heat and generates a vinyl ether group in a polymer side chain. ) A structural unit (A) represented by formula (1). # imgabs0 #
Owner:NIPPON SHOKUBAI CO LTD

Extinction powder coating composition as well as preparation method and application thereof

The invention discloses a matting powder coating composition which comprises the following raw materials: high-activity polyester resin, high-leveling polyester resin, a curing cross-linking agent and a matting agent, the acid value of the high-activity polyester resin is 60-80 mgKOH / g, the reactivity at 160 DEG C is 120-300 s, and the melt viscosity at 160 DEG C is less than or equal to 10000 mPa.s; the acid value of the high-leveling polyester resin is 40-60mgKOH / g, the reactivity at 160 DEG C is 480-900s, and the melt viscosity at 160 DEG C is less than or equal to 5000mPa. S. The low-temperature curing matting powder coating composition can be fully cured under the curing condition of 160 DEG C, a cured coating can obtain an ideal matting effect, meanwhile, excellent appearance flatness and fineness are obtained, and in addition, the coating has good physical and chemical properties such as impact resistance, bending resistance and chemical resistance.
Owner:GUANGZHOU KINTE IND +1

Enhanced electrostatic spinning support layer composite diaphragm as well as preparation method and application thereof

The invention relates to an enhanced electrostatic spinning support layer composite diaphragm as well as a preparation method and application thereof, and relates to the technical field of new energy materials. The enhanced electrostatic spinning support layer composite diaphragm comprises a first coating layer, a composite layer and a second coating layer, wherein the composite layer is positioned between the first coating layer and the second coating layer; the composite layer comprises an electrostatic spinning supporting layer and a PPS film. The enhanced electrostatic spinning supporting layer composite diaphragm prepared by introducing the electrostatic spinning supporting layer is of a sandwich structure and has good stability, the mechanical strength of a diaphragm material is improved, the surface resistance is reduced, the safety and durability of the diaphragm material are improved, and the performance of the composite diaphragm is improved; and the energy efficiency in the water electrolysis hydrogen production process is improved.
Owner:HUADIAN CAOFEIDIAN HEAVY IND

A die bonding baking equipment for display screen processing

ActiveCN224593583UObserve the curing effectEasy curing
The utility model relates to display screen processing technical field provides a kind of fixed crystal baking equipment for display screen processing, comprising: oven and door panel, the door panel is hinged connection with oven, still include: baking assembly, setting in the upper end of the oven interior, the baking assembly includes: telescopic pipe, fixedly set in the center of the oven interior upper end, the bottom of the telescopic pipe is fixedly set with air duct;Hot air fan is transmitted to telescopic pipe, is transmitted to the inside of air duct by telescopic pipe, the lower end of air duct is fixedly installed with multiple connecting pipes, and hot air can be diffused to the inside of annular pipe by multiple connecting pipes, the outer surface of annular pipe is fixedly installed with multiple air guide head, the lower end of air guide head is inclined, prevent hot air directly blowing to display screen fixed crystal assembly, make part element be damaged, the air guide box of air duct bottom fixed installation can diffuse hot air, make hot air more evenly diffused to the inside of oven.
Owner:VITROLIGHT TECH CO LTD

Solution coagulation molding method and long fiber spinning method using natural high molecular

ActiveCN116163025Bhigh strengthDense sectionThioureaSulfite salt
The application discloses a solution containing natural macromolecule and a coagulation molding method. The fiber stream obtained by wet spinning of the solution containing natural macromolecule is coagulated and molded through at least one coagulation bath. The solution containing natural macromolecule contains metal hydroxide and an additive selected from at least one of urea, zinc oxide and thiourea. Bicarbonate or bisulfite or a combination of bicarbonate and carbonate or a combination of bisulfite and sulfite is used as a component of the coagulation bath. The low-cost, green, efficient, non-toxic, harmless and inexpensive inorganic salt solution does not contain strong acid and organic solvent, and can be used to prepare long fibers with circular cross section and excellent mechanical properties. The long fibers have smooth surface, softness and luster. In the coagulation bath, the bicarbonate and carbonate or the bisulfite and sulfite can be easily separated and recovered.
Owner:GANNAN NORMAL UNIV

Display back panel and preparation method thereof, and mobile terminal

The present application discloses a display backplane and a preparation method thereof, and a mobile terminal; the display backplane comprises a driving backplane, a reflective film layer arranged on the driving backplane, and a plurality of terminals, the reflective film layer comprises a plurality of openings, a plurality of the terminals are arranged in the plurality of the openings, one terminal corresponds to one opening, the thickness of the reflective film layer is greater than the thickness of the terminal, the reflective film layer comprises a dark pigment, and the mass percentage of the dark pigment in the reflective film layer is 0.01% to 0.1%; the present application reduces the reflectivity of the reflective film layer by adding a dark pigment to the reflective film layer, so that the light during exposure can penetrate to the bottom of the reflective film layer, so that the bottom material of the reflective film layer is completely cured, and the reflective film layer at the bottom of the exposure area is prevented from being undercut by the developer during development to form an undercut structure, thereby preventing the protrusion from falling off.
Owner:TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD

An intelligent all-round photosensitive 3D printing secondary curing equipment

The present invention discloses an intelligent all-round photosensitive 3D printing secondary curing device, comprising a stand and a processing cylinder, the stand is slidably connected to a lifting frame, a loading tray is fixed under the lifting frame, and a plurality of suction nozzles are distributed circumferentially under the loading tray; the processing cylinder is concentric with the loading tray, a plurality of supporting springs are provided at the bottom of the processing cylinder, and a vibration motor is also provided at the bottom of the processing cylinder; compared with the prior art, the present invention improves curing efficiency and quality, optimizes surface finish and aesthetics, enhances workpiece performance and stability, reduces processing dead angles and improves uniformity, improves the degree of automation and ease of operation, and improves environmental protection and energy saving, and shows remarkable effects.
Owner:SUZHOU WENWU SYST ENG CO LTD

Manufacturing process of high-water-content low-imbibition floor base material

The invention belongs to the technical field of artificial boards, and relates to a manufacturing process of a high-water-content low-imbibition floor base material, which comprises the steps of glue mixing and applying, pre-pressing, hot pressing and the like. When glue is mixed and applied, waterproof low-melamine-proportion modified urea-formaldehyde resin (55-57% of formaldehyde, 31-35% of urea and 8-14% of melamine), a curing agent and a composite formaldehyde reducing agent are applied according to a specific formula. The resin is synthesized by adopting an alkali-acid-alkali-alkali four-stage process. In the pre-pressing step, microwave heating is adopted to heat the slab core layer to 60-70 DEG C; continuous hot pressing is adopted for hot pressing, and five-section temperature partition and four-section pressure distribution are optimized. Through the synergistic effect of a special resin formula, microwave preheating of a plate blank and optimization of a hot pressing process, on the premise that the use amount of melamine is remarkably reduced, the obtained floor base material obtains the low water absorption thickness swelling rate, meanwhile, the water content is increased to 6.0-7.0%, the size stability is better, the formaldehyde release amount is effectively controlled, and the service life of the floor base material is prolonged. The production efficiency is improved; and the cost is reduced.
Owner:DARE WOOD BASED PANEL GRP

Silent floor and mute floor processing technology

The invention relates to the technical field of floors, and discloses a mute floor and a mute floor processing technology.The mute floor comprises a base layer, a mute layer is arranged on the top of the base layer, a decoration layer is arranged on the top of the mute layer, and a wear-resistant layer is arranged on the top of the decoration layer; according to the mute floor and the processing technology of the mute floor, polyurethane foam and nano silicon dioxide particles are evenly mixed, the mixed material is injected into a mold, a mute layer is formed through a hot press molding technology, curing is conducted at the temperature lower than the molding temperature, the material is prevented from being overheated and decomposed, it is ensured that the interior of the material is fully cured, and the stable state is achieved; according to the present invention, the material is subjected to rapid cooling, and then is naturally cooled to the room temperature, such that the excessive internal stress or cracking of the material caused by rapid cooling is avoided, the sound absorbing material having the multilayer microporous structure is formed, and the compact multilayer microporous structure not only facilitates the absorption and dissipation of the sound wave, but also can improve the overall strength of the material so as to provide the good stability and the good durability.
Owner:DEHUA TB NEW DECORATION MATERIAL CO LTD

A preparation method of light / heat synergistically cured epoxy resin-based composite material

ActiveCN115746358Bhigh viscosityMeet the coating process
The present invention relates to a method for preparing a light / heat synergistically cured epoxy resin-based composite material, which solves the technical problems that the resin fiber ratio is difficult to accurately control, the uniform distribution is difficult to achieve, and the composite material performance is not ideal in the preparation of existing materials. The method comprises the following steps: (1) raw material proportioning: the epoxy resin matrix, the active diluent, the photoinitiator, and the thermal initiator are uniformly stirred at high speed under light-proof conditions to obtain a resin system; (2) prepreg preparation: the resin system obtained in step (1) is irradiated under visible light, coated into a resin film after viscosity enhancement, and then the resin film and the reinforcing material are compounded by a prepreg machine to obtain a prepreg; (3) composite material preparation: the prepreg obtained in step (2) is cut and laid, and a free radical thermal curing reaction is initiated to obtain a light / heat synergistically cured epoxy resin-based composite material. The present invention can be used in the field of preparation of epoxy resin-based composite materials.
Owner:BEIJING UNIV OF CHEM TECH

An EB / excimer lamp-cured antifouling composition

The present invention belongs to the field of functional coatings, and specifically relates to an EB / excimer lamp curing antifouling composition and a preparation method thereof, wherein the EB / excimer lamp curing antifouling composition comprises the following raw materials in parts by weight: 70-80 parts of polyurethane acrylate resin, 10-20 parts of acrylate monomer, 10-15 parts of functional modifier I, 5-10 parts of functional modifier II, 0-5.0 parts of color paste, 0-0.5 parts of dispersant, 0.1-0.5 parts of defoamer, 0.2-0.5 parts of leveling agent, and the EB / excimer lamp curing antifouling composition is obtained by high-speed dispersion and filtration. The EB / excimer lamp curing antifouling composition of the present invention is designed by formula, and cooperates with homemade functional modifier I and functional modifier II, which can effectively improve the anti-fingerprint property, insufficient continuous antifouling property and the defect of requiring additional addition of matting agent to achieve matte of the existing EB curing antifouling composition coating in the prior art, and has the properties of scratch resistance and the like.
Owner:JIANGSU BODA NEW MATERIALS TECHNOLOGY CO LTD