41results about How to "Short curing time" patented technology

The utility model discloses rapid curing equipment for a ceramic surface microstructure anti-skid and wear-resistant layer, which comprises a box body and a fixed gear ring arranged below the inner wall of the box body, and further comprises a transmission mechanism, the transmission mechanism comprises a movable supporting inner ring arranged in the box body, moving rollers are uniformly mounted at the bottom of the movable supporting inner ring, and the moving rollers are fixed on the box body. An inner gear ring is arranged on the inner wall of the movable supporting inner ring, gears are installed on the top of the movable supporting inner ring through evenly-arranged movable shafts, and a tray with a groove is arranged on the top of each gear. The inner gear ring is meshed with the driving gear, the movable supporting inner ring drives the tray to rotate in the box body, and meanwhile the tray rotates under the action of the gear and the fixed gear ring. The dual-rotation mechanism ensures that each surface of the ceramic workpiece can be uniformly irradiated by ultraviolet rays and heated by microwaves in the conveying process, so that the curing quality problem caused by non-uniform heating in the traditional curing equipment is avoided.

The utility model provides a kind of heterojunction cell screen printing process gradient solidification heat cycle oven, including two support frames, several array distribution transmission shafts are rotatably equipped between the support frames of two sides, the transmission shaft outer end surface is fixedly connected with sprocket, transmission chain belt is wound between the sprocket of each side, two bearing basket frames are installed in the top end of transmission chain belt, several battery pieces arrayed from top to bottom are inserted in the bearing basket frame. The scheme is through three-zone gradient temperature control (150℃→200℃→180℃), and combines temperature-time-resistivity multi-objective optimization algorithm, the low-temperature silver paste solidification time is shortened from traditional 45~60 minutes to 19 minutes, the unit energy consumption is significantly reduced while the production capacity is significantly improved.

The application provides a shell and a surface treatment method of the shell. The shell comprises a substrate, at least part of the surface of the substrate has a UV-cured coating layer, and the UV-cured coating layer is obtained by UV curing of a UV cathodic electrophoretic paint. The UV cathodic electrophoretic paint comprises a first monomer, a second monomer and a functional monomer. The first monomer comprises isobornyl acrylate; the second monomer comprises t-butyl acrylate; and the functional monomer comprises an amino-containing acrylic monomer, a hydroxyl-containing acrylic monomer and one or more selected from a phenyl-containing acrylic monomer and a phosphorus-containing acrylic monomer. The shell has high strength, good adhesion, and at least one of good moisture resistance and salt spray resistance.

The application provides a kind of underwater concrete rapid repair material, by weight fraction, including the following components: cementing material system 67-80 parts, dual functional graphene system 0.6-1.2 parts, intelligent curing adjustment system 3-5 parts, auxiliary additive 2-3 parts, filler system 20-25 parts and water 18-25 parts;The dual functional graphene system includes hydrophilic amino graphene and hydrophobic sulfhydryl reduced graphene oxide, and the mass ratio of the two is (1.2-1.8):(0.8-1.2);The intelligent curing adjustment system includes microcapsule coated temperature-sensitive coagulant 2-3 parts and in-situ whisker generation precursor 1-2 parts.The application realizes underwater rapid curing, strong bonding, high toughness, long-term protection integration, and provides a high-performance solution for the rapid repair and emergency repair of hydraulic and marine infrastructure.

The raw material compositions for preparing acrylic optical coatings and for preparing acrylic optical lenses both contain sulfur-containing aromatic acrylate compounds as shown in Formula A. The optical materials prepared from these raw material compositions, with precisely controlled refractive indices of 1.53–1.60, significantly improve the material's resistance to yellowing, optical durability, and impact resistance, meeting the application requirements of high-end optical materials. Wherein, R1 = CH2 = CH-COO, R2 = CH3, n = 2 or 3, and m = 0, 1, or 2.

The utility model discloses a kind of ultraviolet light curing devices, including shell, curing chamber is equipped in the shell, and curing chamber bottom is equipped with the load plate of load and drive workpiece to rotate uniform light, and load plate electrically connected with the driving motor installed in shell, curing chamber is installed with partition cover, and partition cover is sleeved in load plate outside.This ultraviolet light curing device, first, the rotation design of device through load plate, workpiece can be received ultraviolet light in curing process all-round evenly, ensure the consistency of curing quality, avoid the curing defect caused by uneven illumination, to improve curing efficiency and product quality;In addition, the optimization layout of UV light mechanism and the setting of reflector, further improve the illumination intensity and uniformity, shorten curing time, improve production efficiency.

The invention discloses a high-hardness anti-fog UV (ultraviolet) curing protective film and a preparation process, and belongs to the technical field of inorganic nano materials, the high-hardness anti-fog UV curing protective film comprises a base material layer and a high-hardness anti-fog UV curing layer arranged on the upper end surface, and is characterized in that the high-hardness anti-fog UV curing layer comprises the following components in parts by weight: 30-50 parts of organic resin oligomer, 10-20 parts of organic solvent, 10-20 parts of solvent, 1-5 parts of antioxidant, 1-5 parts of coupling agent and 1-5 parts of coupling agent. 10-30 parts of inorganic nanoparticles, 5-15 parts of an anti-fogging agent, 1-5 parts of a photoinitiator, 10-20 parts of a reactive diluent, 0.1-2 parts of a leveling agent, 0.1-2 parts of a defoaming agent and 0.1-1 part of a stabilizer, and the coating has the beneficial effects that the inorganic nanoparticles are uniformly introduced into a single-layer coating, so that the hardness and scratch resistance of the coating are remarkably improved; the hardness of the coating can reach 3H-5H, the scratch resistance is excellent, no obvious scratches exist on the surface, and the problem that a traditional single-layer protective film is difficult to give consideration to both high hardness and flexibility is effectively solved.

The invention provides a dental silicone rubber impression composition, a dental silicone rubber impression material kit and a preparation method and application of the dental silicone rubber impression composition and the dental silicone rubber impression material kit, D50 of reinforcing filler in the impression composition is 5-22 microns, and the particle size distribution of the reinforcing filler in the impression composition meets the conditions that D60-D40 is smaller than or equal to 12 m and D40-D20 is smaller than or equal to 12 m at the same time. The particle size distribution of the reinforcing filler in the impression material is controlled to be concentrated enough, so that the initial setting time of the silicone rubber impression material is controllable, and meanwhile, the silicone rubber impression material with relatively high overall strength is also obtained.

The invention discloses a mining coal gangue / polyurethane / water glass composite filling material and a preparation method thereof, and belongs to the technical field of filling materials, the material is prepared by mixing a component A (water glass, glycerin and a catalyst), a component B (isophorone diisocyanate, polypropylene glycol and a plasticizer), coal gangue and fly ash according to a specific ratio, the preparation method comprises the following steps: respectively preparing the component A and the component B, mixing into slurry, and finally stirring and curing with the coal gangue and the fly ash. The curing time of the material is less than or equal to 124 s, the compressive strength is higher than 70 MPa, and the material is safe, environmentally friendly, free of secondary pollution, outstanding in flame retardance, capable of meeting the industrial standard and suitable for coal mine top-caving area filling, goaf gas plugging and crack air leakage channel plugging.

The application discloses a forming method of a special-shaped structure and relates to the technical field of composite heat-proof layer forming. The method comprises the following steps: preparing a bearing body, a heat protection structure, a sleeving tool and auxiliary materials, horizontally installing the bearing body and the heat protection structure on two sides of a sleeving platform respectively and making special-shaped surfaces face downward, forming a glue layer prefabricated body on a vertical surface of the bearing body, preparing sleeving glue after detecting a gap and interference in the sleeving test, preparing the sleeving glue and brushing the glue on bonding surfaces in different regions, pushing the heat protection structure into the bearing body to form an assembly, and obtaining the special-shaped structure after solidification, cleaning of accumulated glue and demolding.

The utility model relates to the technical field of curing ovens, in particular to a powder curing oven of a spraying production line, which comprises a machine body, the machine body is composed of a double-layer shell and forms a cavity, a centering mechanism is arranged in the machine body and can support a workpiece to enable the workpiece to be suspended in the machine body, and a heating mechanism is arranged in the machine body. And the two heating mechanisms are symmetrically arranged up and down, so that the temperature in the machine body can be increased, and powder on the surface of the workpiece can be solidified. According to the utility model, the cross-shaped plate slowly reciprocates up and down, so that a workpiece can be prevented from being in contact with the centering mechanism and the cross-shaped plate for a long time, the bottom surface of the workpiece can be better and faster cured, the curing time of the workpiece can be shortened, the curing efficiency of the workpiece can be improved, and the workpiece can be cured by injecting water into the cavity and absorbing heat. And when a new workpiece is cured, through cooperation of the two heating mechanisms, the interior of the machine body can rapidly reach the set temperature.

The application relates to the technical field of powder coatings, and particularly discloses a UV-cured powder coating as well as a preparation method and application thereof. The UV-cured powder coating disclosed by the application comprises the following components: 60-80 parts of powder resin, 2-10 parts of a curing agent, 5-10 parts of a filler, 1-2 parts of a leveling agent, 0.5-1 part of a degassing agent and 0.5-10 parts of 184 initiator; the filler is obtained by mixing montmorillonite, calcium carbonate and aluminum oxide, then being pretreated by an ammonium salt solution of an acrylate copolymer, and then being fired; and the degassing agent is composed of 3910-micronized amide wax degassing agent and ketose degassing agent in a weight ratio of 3-5:1-1.5. According to the technical scheme, the UV-cured powder coating is cured into a coating, the coating has excellent gloss, adhesion and smoothness, and the coating has high chemical corrosion resistance.

The present invention relates to a surface coating device for an automobile exterior material, characterized by comprising: a space formed inside, a door to be opened and closed formed on one side wall, a lighting lamp installed on the side wall and the ceiling, a main body including a bottom surface forming an exhaust grid; an air circulation part composed of a supply unit formed on the ceiling of the main body, a supply unit supplying external air, and an exhaust part sucking and exhausting internal air; a heater device composed of a heater installed on the inner wall of the main body, the heater generating high-temperature heat to an object and drying the object, and a temperature controller controlling the operation of the heater; an air intake grid installed on the lower portion of the inner wall of the main body, a fan installed on the air intake grid, a duct connected to the fan, a filter formed in the duct, and a hot air discharge part including a cooling coil installed on the outer peripheral surface of the duct.

The application provides a new energy automobile battery box multi-vehicle type flexible gluing and assembling method, and relates to the technical field of power battery shell manufacturing. The new energy automobile battery box multi-vehicle type flexible gluing and assembling method identifies the workpiece vehicle type by scanning the code, drives the servo positioning unit to automatically switch to the corresponding reference coordinate, realizes quick model change, adopts a ladder type preheating activation process, synchronously completes the composite coating of structural adhesive and pouring adhesive, suppresses the thermal warping deformation of large aluminum parts through integrated curing by heating and pressing, decouples the 90-minute cooling process from the main line production rhythm by combining the advanced first-in-first-out three-dimensional buffer library, realizes early defect identification and process closed-loop control through the matching multi-stage air tightness detection shunting and CCD full-size adaptive compensation. The application can be compatible with the production of battery boxes of various sizes, the positioning accuracy is ±0.05mm, the whole line rhythm is stable, the comprehensive efficiency of the equipment is greater than or equal to 80%, the gluing quality and production flexibility are effectively improved, and the rework cost is reduced.

The invention relates to the technical field of 3D printing materials, in particular to a preparation, application, chemical degradation and recycling method of recyclable sacrificial resin, which comprises the following steps: synthesizing vanillin-based acrylate molecules; the preparation method comprises the following steps: adding polyamine and vanillin-based acrylate molecules into an organic solvent for reaction, and removing the organic solvent to obtain the degradable dynamic cross-linking agent; the preparation method comprises the following steps: fully mixing an acrylate monomer, a degradable dynamic cross-linking agent, a photoinitiator and a coloring agent, and carrying out photocuring to obtain the recyclable sacrificial resin. According to the present invention, the preparation, the application, the chemical degradation and the recycling method of the recyclable sacrificial resin are adopted, and the prepared recyclable sacrificial resin has characteristics of ultraviolet light curing, excellent mechanical property, cyclic processing, degradation and recycling.

This invention belongs to the field of UV-curable resins, specifically relating to a self-healing UV-curable resin, its preparation method, and its applications. The preparation method includes the steps of: adding p-hydroxyanisole, glycidyl methacrylate, and 4-dimethylaminopyridine to an amino-terminated prepolymer and reacting, followed by separation to obtain the resin. The preparation method of the amino-terminated prepolymer includes adding an activator to a carboxyl-terminated prepolymer and reacting it, followed by adding a polyetheramine. The preparation method of the carboxyl-terminated prepolymer includes reacting a diol and an anhydride in a solvent. The invention provides corresponding products and their applications in the preparation of UV-curable coatings, UV-curable adhesives, and 3D printing consumables. Compared to existing technologies, the coating prepared by the method provided in this invention exhibits significant self-healing function and high elongation at break.

The invention discloses injectable photocuring hydrogel for bone tissue repair and a preparation method and application thereof.The method comprises the steps that at the room temperature, SA, HA, AAm, MBA, Hmpp and Acc-NHS are added into deionized water to be dissolved, and a precursor solution is obtained; under the condition of high-speed mechanical stirring, dropwise adding a CaCl2 aqueous solution into the precursor solution, and continuously stirring, so that a sodium alginate chain segment and calcium ions are subjected to ionic cross-linking, and injectable ionic cross-linking hydrogel with the shear thinning characteristic is obtained; and adding HAp into the injectable ionic crosslinking hydrogel under the condition of keeping high-speed mechanical stirring, and continuously stirring to obtain the injectable photocuring hydrogel with the bone repair function. The hydrogel disclosed by the invention has excellent injectable performance, controllable light curing conversion capability, relatively high mechanical strength, wet interface adhesion performance and bone repair potential, and is expected to be used as a minimally invasive implantable medical device for repairing bone tissue injury.

The utility model relates to the field of mould structure design, especially a precision injection mould with quick replacement module, which comprises a machine body, a hydraulic cylinder, a pressing plate, a guide rail and a lower mould, the hydraulic cylinder is symmetrically installed on the upper part of the machine body, the piston rod of the hydraulic cylinder slides through the upper part in the machine body, the pressing plate is arranged between the end parts of the piston rods of the two hydraulic cylinders, the guide rails are arranged on the two opposite end faces of the upper part and the lower part in the machine body, and the lower mould is slidably arranged outside the guide rail of the lower part. The utility model is designed by linkage of the guide rail, the clamping block and the cylinder, realizes quick unlocking and sliding of the upper and lower moulds, shortens the replacement time from the traditional bolt fixing mode, significantly reduces the downtime, automatically ejects the product under the pushing of the reset spring, improves the demoulding success rate, and realizes the mould pushing and pulling operation by one person through the convex handle design on the front side of the mould and the guide rail, thereby reducing the manual operation strength.

The invention discloses a wind power blade automatic heating device and a heating method thereof.The wind power blade automatic heating device comprises a first containing frame, a first sealing cover mechanism and a first heating mechanism, the first containing frame is used for containing a wind power blade, and the first sealing cover mechanism and the first heating mechanism are both arranged at the right end of the first containing frame; the first capping mechanism comprises a first walking frame, a first supporting frame, a first lifting assembly and a first capping assembly, a plurality of first walking wheels are arranged at the lower end of the first walking frame, the first supporting frame is arranged at the left end of the first walking frame, and the first lifting assembly is arranged at the upper end of the first supporting frame. According to the automatic heating device for the wind power blade and the heating method of the automatic heating device, sealing of the wind power blade is guaranteed through the first mask, constant-temperature heating of all positions in the wind power blade is guaranteed through the first air supply pipes with different lengths, automatic heating and temperature control can be achieved, the colloid curing time is greatly shortened, and the production efficiency is improved.

The present application relates to a method for manufacturing an ophthalmic lens, comprising the following steps: curing a coating material on a surface of the ophthalmic lens using light radiation emitted by an intense light source, said coating material producing a coating on said surface of the ophthalmic lens, the method being characterized in that the coating material forms a coating on said surface of the ophthalmic lens; the wavelength range of the optical radiation emitted by the intense light source is limited by at least one of i) a) the wavelength at the intersection of the emission spectrum of the intense light source and the absorption spectrum of the spectacle lens and b) the maximum wavelength of the optical radiation emitted by the intense light source, ii) a) a wavelength greater than the wavelength at the intersection of the emission spectrum of the intense light source and the absorption spectrum of the spectacle lens and b) the maximum wavelength of the light radiation emitted by the intense light source, iii) a) a wavelength smaller than the wavelength at the intersection of the emission spectrum of the intense light source and the absorption spectrum of the spectacle lens and b) the maximum wavelength of the light radiation emitted by the intense light source.

This invention discloses a starch-based particleboard adhesive that cures rapidly at medium and low temperatures and its preparation method, belonging to the field of adhesive preparation technology. The starch-based particleboard adhesive of this invention comprises component A and component B; component A includes: 150 parts starch, 200-300 parts water, 20-25 parts concentrated hydrochloric acid, 12-18 parts dilute nitric acid, 25-40 parts sodium hydroxide solution, 6-9 parts initiator, 27-35 parts grafted monomer, and 2-5 parts emulsifier; component B includes: 8-11 parts ethylenediamine, a post-crosslinking agent. This starch-based particleboard adhesive effectively solves the problems of high curing temperature and long curing time in existing starch adhesives. While maintaining a relatively fast curing speed, it can reduce the curing temperature to 105℃, reducing the energy consumption in particleboard production. It can be widely used in the hot-press bonding of particleboard, plywood, fiberboard, and wood blocks.

The utility model discloses a kind of solidification devices of automobile charging gun head after glue pouring, comprising: cable rack;At least one socket fixed on cable rack, the socket is inserted face upward and keeps level, for installing the charging gun head after glue pouring;Female contact pin, installed at the bottom of the socket, heating body is equipped in the female contact pin interior to realize initiative heating function;Temperature control equipment is connected with the female contact pin, for controlling the temperature of heating body;Temperature sensor is set in female contact pin interior, for monitoring heating temperature and feedback to temperature control equipment.The utility model is simple in structure, convenient to operate, conducive to reducing energy consumption problem in solidification process, shorten solidification time, reduce production cost.

The invention discloses laser curing type conductive silver ink for electronic components and a preparation method of the laser curing type conductive silver ink. The laser curing type conductive silver ink comprises a silver precursor, an amine complexing agent, a non-polar organic solvent and an additive, a silver precursor and an amine complexing agent form a uniform and stable silver-amine complex solution in a non-polar organic solvent. The preparation method comprises the following steps: uniformly mixing a non-polar organic solvent, an amine complexing agent and an additive, then adding a silver precursor, stirring until the silver precursor is completely dissolved, and filtering to obtain the conductive silver ink with excellent conductivity, stability and printing performance. The invention also provides a method for preparing a conductive film on a substrate by using the conductive silver ink through a laser sintering process. According to the conductive silver ink, the light absorption characteristic of the silver-amine complex is regulated and controlled through the non-polar solvent, so that the conductive silver ink perfectly adapts to a laser sintering process, and the conductive silver ink has the advantages of being low in curing energy consumption, short in curing time, free of thermal damage to a flexible base material, high in conductivity of a formed silver film, high in adhesive force and the like, and is suitable for the fields of flexible electronics, printed circuits and the like.

The utility model relates to the field of potting machines, and discloses a multifunctional ultrasonic potting machine which comprises a potting machine working platform, a raw material box and a glue pump shell, one side of the potting machine working platform is fixedly connected to the raw material box, and the upper portion of the potting machine working platform is fixedly connected to the glue pump shell. An ultrasonic glue pouring machine main body is movably arranged above the glue pouring machine working platform, a detachable glue pipeline heating device is detachably arranged above the ultrasonic glue pouring machine main body, and when the device is used, an independent heating module can be conveniently arranged on a glue conveying pipeline A and a glue conveying pipeline B respectively through the detachable glue pipeline heating device; the pre-crosslinking reaction is triggered through the temperature difference, the curing time is shortened, so that the production period is shortened, the problems that in the low-temperature environment, the viscosity of glue is remarkably increased, the liquidity becomes poor, and pipeline blockage or non-uniform glue discharging is possibly caused can be solved through heating, and the self-disassembly is supported, so that the maintenance by a user is facilitated.

The reinforcing filler in the dental resin cement composition provided by the present invention has a particle size distribution that simultaneously satisfies D75-D25≤0.95μm, D25-D15≤0.7μm, and D50 of 0.5~1.0μm. Specifically, the present invention improves the chemical curing time, edge sealing, and linear shrinkage rate of dental resin cement by controlling the D15 / D25 / D75 and D50 of the reinforcing filler in the matrix and catalytic portions to have the above-mentioned specific numerical relationships.

The invention provides a single-component medium-low temperature thermocuring FPC (Flexible Printed Circuit) encapsulating adhesive and a preparation method thereof. The encapsulating adhesive is prepared from the following components in parts by weight: 20 to 50 parts of acrylate oligomer, 20 to 60 parts of reactive diluent, 0.5 to 5 parts of thermal initiator and 1 to 10 parts of rheological additive, wherein the reactive diluent is composed of a first reactive diluent and a second reactive diluent, the first reactive diluent comprises ACMO, and the second reactive diluent comprises at least one of IBOA and CTFA; the thermal initiator is prepared from at least one of azobisisoheptonitrile, azobisisobutyronitrile, benzoyl peroxide and dilauroyl peroxide. The encapsulating compound prepared by the preparation method disclosed by the invention has high efficiency, construction convenience and low energy consumption while ensuring mechanical properties.

This invention relates to the field of epoxy resins, and discloses an epoxy resin composition, epoxy resin material, its preparation method, and its application. The composition comprises 40-60 parts by weight of glycidyl amine epoxy resin, 10-20 parts by weight of polyenol acetal, 15-45 parts by weight of phenolic epoxy resin, 10-40 parts by weight of phosphorus-containing flame retardant, 1-5 parts by weight of carbon nanotubes, 1-10 parts by weight of curing agent, and 1-10 parts by weight of curing accelerator; the curing agent is a latent curing agent. The epoxy resin composition and epoxy resin material provided by this invention have excellent flame retardant properties, as well as good mechanical and thermal properties.

This invention provides a resin-based hard carbon material, its preparation method, and a battery. The resin-based hard carbon material has a porous structure, including micropores and ultramicropores; the pore size distribution of the ultramicropores is <0.7 nm, and the pore size distribution of the micropores is 0.7–2 nm (excluding 2 nm); zinc is also attached to the pore walls. The resin-based hard carbon provided by this invention has narrow, uniform, and dense pores, possessing both micropores and abundant ultramicropores, which is beneficial for lithium-ion storage. Furthermore, the ultramicropores isolate the entry of electrolyte, avoiding excessive side reactions and irreversible capacity buildup while achieving lithium-ion storage. It also retains the high-rate performance characteristics of hard carbon materials. The zinc in the pores also has a lithiophilic effect, further attracting lithium ions into the pores, thus achieving the goal of improving the capacity and first-time efficiency of hard carbon materials while maintaining high-rate performance.

The application discloses a method for preparing an epoxy material under a cyclic dynamic force field and a product thereof; the epoxy material is obtained by performing mold curing on an epoxy premix under the action of the cyclic dynamic force field. The cyclic dynamic force field is introduced in mold forming, the cyclic dynamic force field is applied to a curing process of the epoxy resin, and effective regulation and control on structural performance of the epoxy resin is realized. In a gelation-to-curing process of the epoxy premix, under the action of the cyclic dynamic force field, the crosslinking network of the epoxy molecular chain is orderly rearranged and disentangled, the epoxy profile with an orderly crosslinking network is prepared, and the mechanical performance of the sample is improved. Meanwhile, under the cyclic dynamic force field, the curing time of the epoxy profile is effectively shortened. The application is favorable for reducing production cost, improving production efficiency and product quality, and is an effective way for efficient production.