17results about How to "Fully cured" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

The application discloses a two-in-one non-contact driving assembly for processing a 3D printing model, which comprises a first part configured to allow linear movement and a second part configured to allow rotation, the first part and the second part being hingedly connected with each other; an outer circumferential edge of the first part is provided with at least one first coupling member, and an outer circumferential edge of the second part is provided with at least two second coupling members; when the first part is driven to move linearly, the second part is driven by the first part to move linearly. The application has the beneficial effect that the non-contact magnetic transmission can be adapted to realize linear lifting and rotation, the 3D model can be washed, dried and solidified in rotation, the washing, drying and solidification are more sufficient, and the power part can be separated from the washing liquid.

The invention relates to the technical field of automobile body manufacturing, and particularly discloses an automobile body carbon fiber bonding method. Comprising the following four steps: pretreatment of a bonding base material, preparation and coating of an adhesive, precise bonding and pressurized curing, and detection and finishing after bonding. Wherein the mode of combining high-pressure inert gas purging, ultrasonic cleaning, plasma etching activation and gradient cooling drying is adopted in pretreatment, and the wettability of a bonding surface is improved; the adhesive is a composite modified epoxy adhesive and has high strength and weather resistance; a mode of combining precise positioning with step-by-step pressurization and step heating is adopted in fitting and curing, so that the bonding quality is ensured; and accurate identification and finishing of bonding defects are realized through detection and finishing. The device solves the problems of insufficient bonding strength, low glue layer control precision, low automation degree and the like in the prior art, is high in bonding strength, good in stability and high in production efficiency, meets the large-scale production requirements of automobiles, and can be widely applied to bonding of carbon fiber components of automobile bodies.

The invention discloses a high-weather-resistance wide-temperature-range bottom filling adhesive for semiconductor packaging and a preparation method thereof, and relates to the technical field of filling adhesives for semiconductor packaging, and the preparation method comprises the following steps: synthesizing glycidyl sulfonate by taking bio-based glycidyl and sulfonyl chloride as raw materials, and synthesizing halogen-free DGEBA resin by taking bisphenol and glycidyl sulfonate as raw materials; the preparation method comprises the following steps: synthesizing phosphorylated modified resin by taking halogen-free DGEBA resin and phosphoryl chloride as raw materials; the preparation method comprises the following steps: uniformly stirring and melting halogen-free DGEBA resin and phosphorylated modified resin, adding a cross-linking agent, and uniformly stirring to obtain a resin matrix; the preparation method comprises the following steps: sequentially adding the siloxane latent accelerator and the composite filler into the resin matrix, stirring in vacuum, defoaming, adding the initiator, uniformly stirring, injecting into a mold, heating, curing, and cooling to room temperature to obtain the filling adhesive for semiconductor packaging, the composite filler is prepared from KH550 modified FeNi alloy particles.

The invention provides a high-strength moisture-proof medium-density fiber artificial board and a preparation method thereof, and belongs to the technical field of artificial board manufacturing and composite materials. The high-strength moisture-proof medium-density fiber artificial board is prepared from the following raw materials in parts by weight: 70-90 parts of wood fibers, 3-8 parts of surface modified reinforced fibers, 10-15 parts of an isocyanate adhesive, 2-5 parts of a moisture-proof agent, 1-4 parts of nano silicon dioxide, 1-4 parts of an interfacial compatible flame retardant and 1-3 parts of a curing agent. The board is endowed with extremely low water absorption thickness swelling rate, high strength, excellent moisture resistance and good flame retardance through the synergism of all the components, the board is suitable for a high-humidity environment, uniform dispersion and sufficient curing of the components are ensured by adopting a step-by-step sizing and mixing process and cooperating with a two-stage hot pressing process, the uniformity and stability of product performance are ensured, and the board is suitable for being used in a high-humidity environment. The common problems of agglomeration, non-uniform dispersion and the like of a multi-component composite system are solved.

This invention discloses a high thermal conductivity electrical casting refractory and its preparation method. The casting refractory contains, by weight: 75-90 parts inorganic filler, 7-13 parts bisphenol A type liquid epoxy resin, 2-5 parts aliphatic diglycidyl ether reactive diluent, 7-13 parts alicyclic anhydride curing agent, 0.2-1.2 parts monoalkoxy type titanate coupling agent, and 0.01-0.5 parts curing accelerator. The inorganic filler is a gradient particle size compound, comprising 80%-95% large-particle-size (500-2000 μm) quartz sand and 5%-20% small-particle-size (23-120 μm) alumina, modified by the coupling agent. The modified inorganic filler is mixed with resin, diluent, curing agent, and accelerator, and after degassing under reduced pressure, cured in stages at 80℃-160℃. This invention constructs a continuous thermal conductivity path with a thermal conductivity ≥2.0 W / (m·K) after curing. It also features high insulation, high mechanical strength, excellent heat resistance and flame retardancy. The process is simple and low-cost, and it is suitable for electrical equipment such as busbars, instrument transformers, and transformers.

The utility model provides a retaining wall crack grouting repair device, and relates to the technical field of building repair. The retaining wall crack grouting repairing device comprises a grouting machine, an infusion pipe, a grouting head and a plugging device. One end of the infusion pipe is communicated with the grouting machine, and the other end of the infusion pipe is communicated with the grouting head; the plugging device is connected with the grouting head, and the plugging device is matched with a target wall surface or a target crack; and in the state that the grouting head is inserted into the target crack, the plugging device encloses grout injected into the target crack from the grouting head in the extending direction of the target crack. By the adoption of the repairing device, the flowing range of grout poured into the retaining wall crack can be prevented from being too large, the grout is prevented from overflowing, it can be ensured that sufficient grout is fully solidified in the crack, and the overall effect of retaining wall crack repairing is improved.

The present application relates to the technical field of magnesium sulfate processing, and particularly relates to a spray granulation device for magnesium sulfate processing and a method thereof, a material liquid conveying mechanism, which comprises a feeding assembly arranged at the top of a vertical granulation tower, can adaptively adjust the air curtain air power, the solidification area air volume and the airflow direction according to the magnesium sulfate material liquid concentration and the target particle size, opens the air curtain and the air outlet passage under the high-concentration material liquid and large-particle working condition, lifts the airflow by lifting the air deflector, prolongs the particle residence time to ensure sufficient solidification and agglomeration, reduces the ventilation area under the conventional material liquid and medium-particle working condition, and lowers the air deflector to speed up the material passing, which takes into account the production efficiency, the upper vertical air curtain can continuously form protection to the spraying area, effectively inhibits the magnesium sulfate material liquid from precipitating microcrystals and adhering to the tower wall, the built-in spiral turbulent core can homogenize the material liquid in advance, avoids the pipeline and the first air outlet hole from being blocked, improves the uniformity and quality of the magnesium sulfate particle finished product, and adapts to the continuous granulation production demand of different specifications of magnesium sulfate products.

The application discloses a forming equipment and process of an inner lining mold, and belongs to the technical field of inner lining mold production. The equipment comprises a lower mold, a middle mold, an upper mold, a base, a displacement mechanism, a connecting mechanism and a pushing mechanism. The forming equipment of the inner lining mold drives the mold to move to a heating station for heating and solidification, and then moves to a demolding station, and automatic separation of the mold is realized by using a guide rail and gear transmission. The pushing mechanism pushes the formed inner lining mold out of the middle mold, and automatic demolding is completed. The application realizes full-automatic operation of the inner lining mold from mold closing, glue injection and heating to demolding, significantly improves production efficiency and product quality, and is suitable for industrialized batch production.