23results about How to "Shorten the curing time" patented technology

The invention provides integrated circuit production and processing equipment, and relates to the technical field of integrated circuit processing, the integrated circuit production and processing equipment comprises a base, the base is provided with a positioning mechanism convenient for fixing an integrated circuit board, the base is provided with a gluing mechanism convenient for gluing and packaging, and the base is provided with a collecting mechanism convenient for recycling glue; the positioning mechanism comprises a vertical rod, the gluing mechanism comprises a support, a first T-shaped sliding block, a glue storage barrel and a valve plate, and the collecting mechanism comprises a constant temperature box, a collecting box, a second motor, an arc-shaped sliding rod and an arc-shaped scraping plate. According to the device, a gluing mode of erecting the integrated circuit board from top to bottom is set, glue naturally falls under the action of gravity, the glue amount can be more accurately controlled, the glue amount of each point is more uniform and consistent, and compared with a mode of plane gluing and waiting for natural leveling of the glue, the glue amount is more uniform and uniform by erecting the circuit board for gluing; the glue can quickly reach a designated position under the action of gravity and form a uniform glue layer, and extra leveling time is not needed.

The utility model relates to the field of polyurethane spraying devices, in particular to a polyurethane spraying device for cold storage construction, and aims to solve the technical problems that an existing polyurethane spraying device for cold storage construction is low in automation degree, and a worker needs to hold a spray head by hand for operation. According to the technical scheme, the polyurethane spraying device for refrigeration house construction comprises a platform car, a spray head, a heating assembly, a stirring assembly and a lifting assembly; a nozzle is arranged on the platform car, a heating assembly is mounted on the platform car, a stirring assembly is mounted on the platform car, and a lifting assembly for adjusting the height of the nozzle is mounted on the platform car; the lifting assembly capable of adjusting the height of the spray head is additionally arranged on the polyurethane spraying device, the spray head can be driven by electric energy to ascend and descend automatically, the height of the spray head does not need to be changed through handheld operation of a worker to spray the wall face of the refrigeration house, and the problems that an existing polyurethane spraying device for refrigeration house construction is low in automation degree and high in spraying efficiency are solved. And a worker needs to hold the nozzle by hand for operation.

The invention relates to the technical field of adhesives, in particular to a high-temperature reaction type adhesive film as well as a preparation method and a use method thereof. The adhesive comprises 40-60 parts of phenolic resin, 40-60 parts of nitrile rubber, 10-20 parts of tackifying resin, 10-20 parts of reactive resin, 3-9 parts of a curing agent, 0.5-2 parts of a vulcanizing agent, 0.5-2 parts of an accelerant, 5-15 parts of filler, 0.5-1 part of an antioxidant and 1-3 parts of carbon black. According to the invention, the reaction type resin is used, so that the reaction can be rapidly carried out at a certain temperature, the reaction activity of an adhesive system is improved, the adhesion to a bonding substrate is increased, the curing time and the curing pressure can be effectively reduced, and good bonding strength can be achieved under the conditions that the curing time is 2-3 minutes and the minimum curing pressure is 0.4 MPa. And the tackifying resin can provide a small amount of initial viscosity for the adhesive film, and is beneficial to bonding and positioning of the adhesive film. The problems of low curing speed and poor bonding positioning of the phenolic aldehyde-butyronitrile adhesive film are solved, and the industrial application of the adhesive film is favorably expanded. The adhesive film is simple and convenient to operate, quick, efficient, green, environment-friendly, good in comprehensive performance and suitable for the requirements of industrial production.

The utility model discloses rapid drying and curing auxiliary equipment for thermal insulation mortar construction, which relates to the technical field of thermal insulation mortar construction and comprises a first water tank, universal wheels, an evaporation frame, a fan and a second water tank, a steam generator is arranged in the first water tank, and the universal wheels are mounted at the bottom of the first water tank. A water tank cover is arranged above the first water tank, a water inlet pipe and a liquid level filter element are installed below the steam generator, an evaporation frame and a second water tank are arranged on the side face of the first water tank, a fan, a connector and a spray head are arranged on the side face of the evaporation frame, and a steam connector is installed above the evaporation frame. The construction cost is reduced.

The invention belongs to the technical field of stealth materials, and particularly discloses a radar wave-absorbing repair coating capable of being rapidly cured at low temperature as well as a preparation method and application of the radar wave-absorbing repair coating. Comprising the following raw materials: 18%-22% of organic silicon resin, 3%-7% of epoxy modified organic silicon resin, 4%-8% of a diluent, 56%-64% of an absorbent, 2.5%-3.5% of a curing agent, 1.5%-2.5% of an accelerant, 1.5%-2.5% of a thermal initiator and 1%-3% of an auxiliary agent. Wherein the curing agent is formed by compounding a reaction type curing agent and a catalytic type curing agent, and the mass percent of the reaction type curing agent to the catalytic type curing agent is (2-3): (1-1.5). The radar wave-absorbing repair coating provided by the invention can realize low-temperature rapid curing, has good tensile bonding strength, impact resistance and long-term test temperature resistance, is mature and controllable in process, and completely meets the application of external field rapid repair of radar wave-absorbing coatings of various equipment.

The invention relates to a machining device and technology for a rear wheel damping support. The machining device comprises a machining mold body and a temperature adjusting mechanism. And the temperature adjusting mechanism is used for cooling and preheating the machining mold body, a supporting bottom plate is arranged at the bottom of the machining mold body, and the temperature adjusting mechanism is installed at the top of the supporting bottom plate. The temperature adjusting mechanism is installed at the bottom of the machining die body, the temperature adjusting mechanism can generate heat or refrigerate and has the heating and cooling effects on the machining die body, cooling is beneficial for reducing the defects such as shrinkage cavities and air holes in the surface of a product, the appearance quality of the product is improved, the machining die body has the preheating function, and the machining die body can be cooled conveniently. And the molding period can be remarkably shortened by preheating the mold. The temperature of the preheated mold is close to that of the material, so that the time for the material to reach the lowest viscosity in the mold cavity and the curing time are greatly shortened, and the production speed is increased.

The invention relates to a process method and device for accurate trace glue brushing. The process method for accurate trace glue brushing comprises the following steps of glue solution preparation, wherein a needle cylinder filled with glue solution is installed; dispensing: controlling a needle cylinder to discharge glue on the belt surface of the conveyor belt to form dispensing; the conveying belt is controlled to be started, meanwhile, a glue scraping processing mechanism is controlled to scrape the dispensed glue on the belt face of the conveying belt, and a glue film is formed; glue taking: controlling the conveyor belt to stop, and controlling the brush to take glue from the glue film; a brush is controlled to brush glue on the workpiece; and glue cleaning: controlling the conveyor belt to start, and controlling the brush to abut against the clean belt surface of the conveyor belt to complete glue cleaning. The glue brushing device has the effect of improving the technical problems of low accuracy, non-uniform glue accumulation and low production efficiency of the existing glue brushing mode.

The invention discloses an epoxy resin composition for winding a fiber prepreg tape and a preparation method of the epoxy resin composition, and relates to the technical field of composites.The epoxy resin composition is prepared from 50-100 parts of liquid epoxy resin, 10-40 parts of solid epoxy resin, 3-10 parts of curing agent, 3-10 parts of accelerant and 0.1-2 parts of auxiliaries. Stirring at 100 DEG C until the mixture is molten, and cooling to 65 DEG C to obtain a component A; the curing agent, the accelerant, the liquid epoxy resin and the auxiliaries are additionally stirred and subjected to three-axis grinding to serve as a component B; and adding the component B into the component A, stirring for 30 minutes, and then sub-packaging and freezing to overnight. According to the epoxy resin composition for winding the fiber prepreg tape and the preparation method of the epoxy resin composition, the epoxy resin composition has proper operability and can be well matched with a dry winding process, and key processing variables such as the fiber direction and the resin content are conveniently and accurately controlled in the dry winding process, so that the quality of a finished product is more uniform and consistent.

The invention discloses a manufacturing method of a plant disease specimen. The manufacturing method of the plant disease specimen provided by the invention comprises the following steps: collecting a fresh plant disease sample for pretreatment; carrying out vacuum freeze-drying treatment on the pretreated sample; embedding the sample subjected to vacuum freeze-drying treatment by using an epoxy resin crystal glue solution subjected to bubble removal to obtain the plant disease specimen. According to the method, the problems of early-stage shape fixation and later-stage preservation and maintenance of the specimens are solved, the morphological characteristics, colors and the like of host plants and pathogenic bacteria in the plant disease specimens in a natural state are reserved, the plant disease specimens can be massively preserved for a long time, and the use efficiency of experimental materials in circulation teaching is improved.

The present invention relates to a method for post-curing a 3D printing output and a transparent orthodontic device manufactured by the method, and the method for post-curing a 3D printing output according to the present invention removes residual resin from printouts manufactured through a 3D printer, shortens the curing time by improving the curing speed through a post-curing process, and can manufacture printouts with improved strength and increased transparency. Further, the transparent orthodontic device according to the present invention removes resin of the surface through the post-curing process when manufacturing a transparent orthodontic device, improves strength, not only has excellent transparency, but also enables unreacted monomers to be removed, and can exhibit shape memory characteristics that restore its shape to the initially printed-out shape of the transparent orthodontic device by the provision of heat.

The invention relates to a glue supply system, in particular to a two-component glue supply system, comprising a two-component glue supply device and a two-component glue dispensing assembly, the two-component glue supply device comprising a glue supply shell, a first cylinder and a second cylinder are installed in the glue supply shell, a first glue cylinder and a second glue cylinder are installed on the glue supply shell, a first cylinder piston is fixed with a first push rod for pushing the piston inside the first glue cylinder, a second cylinder piston is fixed with a second push rod for pushing the piston inside the second glue cylinder, pointers are fixed on the piston rods of the first cylinder and the second cylinder, and a glue amount scale is provided on the glue supply shell at positions corresponding to the pointers; the two-component glue dispensing assembly comprises a fixed plate, a two-component glue dispensing device is provided on the fixed plate, the first glue cylinder and the second glue cylinder are respectively connected to two glue inlets of the two-component glue dispensing device, a cooling structure is also provided on the fixed plate, the glue supply system can measure the supply amount of the two-component glue respectively, and has good controllability.

This application discloses a spin-coating carbon composition, a semiconductor fabrication method, and a semiconductor device. The spin-coating carbon composition comprises a cyclic phenolic resin. The cyclic phenolic resin used in this invention has the characteristics of small molecular weight, narrow molecular weight distribution, and active crosslinking groups distributed on the resin periphery. The spin-coating carbon composition based on the cyclic phenolic resin of this invention, while maintaining excellent coating performance, can significantly improve the thermal stability, etching resistance, and pattern fidelity of the thin film, providing a new generation of hard mask materials for advanced semiconductor manufacturing.

The invention provides soybean ink which is bright in color and flat in printing. The printing ink is prepared from the following raw materials in parts by weight: 30-35 parts of pigment, 30-35 parts of epoxidized soybean oil, 15-20 parts of polyester modified acrylic resin, 10-15 parts of linear phenolic resin, 4-6 parts of acrylic acid modified alkyd resin, 15-20 parts of filler, 10-15 parts of solvent, 2-4 parts of polyethylene wax, 1-2 parts of surfactant, 0.5-1 part of ionic liquid, 0.5-1 part of slow drying agent, 0.5-1 part of drying agent and 0.5-1 part of gel. The filler is a blend of nano calcium carbonate and organic montmorillonite in a weight ratio of 3: 1; the solvent is a blend of isoamyl acetate and butanol in a weight ratio of 2: 1. The soybean ink disclosed by the invention is good in flowing property, moderate in drying speed and relatively good in adhesive force with printed paper in a printing process, and the color is bright and flat after printing. The invention also provides a preparation method of the soybean ink.

The utility model provides an injection mold for automobile parts, which relates to the technical field of injection molds and comprises a fixed injection mold and a movable injection mold. Four guide rods are installed outside the injection molding fixed mold, a cooling pipe is installed inside the injection molding fixed mold, and the two ends of the cooling pipe communicate with the circulating cooling pipeline; a guide sleeve is mounted in the injection molding movable mold, and the guide rod penetrates through the guide sleeve in a sliding manner; radiators are in contact with the left side and the right side of the injection molding fixed mold, and jacket shells are connected outside the radiators; and long bolts are in threaded connection with the left side and the right side of the injection molding fixed mold and are connected into the radiator and the outer sleeve shell in a penetrating manner. When the injection molding fixed mold is overheated, the injection molding fixed mold conducts heat into the radiator, the radiating fan blows outside air into the air pipe, the air pipe conveys the air into the two outer sleeve shells, air circulation between the radiating fins is accelerated, the air cooling effect on the injection molding fixed mold is achieved, the injection molding fixed mold is kept in a low-temperature state, and the service life of the injection molding fixed mold is prolonged. And the curing time of the automobile parts is shortened.

The invention discloses a glass fiber reinforced polyurethane energy-saving window frame profile processing technology which comprises the following steps: mixing and stirring polyether polyol, silica powder and hollow glass beads, and adding a catalyst and isocyanate; the continuous glass fibers are arranged through a yarn guide frame, impregnated with resin and adhered to the chopped glass fibers to enter a mold preforming area, forming is conducted through pultrusion equipment, and the profile is cut and sprayed after being cooled. According to the invention, high strength, low thermal conductivity and excellent stability of the profile are realized through optimized process parameters, and the profile is suitable for large-scale production of energy-saving window frames of buildings.

The invention relates to the technical field of bismaleimide resin, in particular to a preparation method of a high-toughness bismaleimide resin prepreg and a composite material, the high-toughness bismaleimide resin prepreg comprises a three-layer structure of a fiber layer, an interface buffer layer and a resin layer, and the thickness of the interface buffer layer is 0.1-30 [mu] m; the interface buffer layer is prepared from the following raw materials in parts by weight: 10 to 100 parts of toughening material, 100 parts of process modifier and 0.5 to 2.5 parts of coupling agent; the resin layer is prepared from the following raw materials in parts by weight: 40-70 parts of diphenylmethane bismaleimide resin, 50-80 parts of a modified diluent, 10-40 parts of thermoplastic resin, 1-30 parts of a toughening material, 1-30 parts of a curing agent, 5-15 parts of an accelerant and 10-50 parts of epoxy resin. Through special treatment on the resin-prepreg interface, the compression strength of the laminated board after impact can be remarkably improved, the performance is improved, and the technological process is simplified.

The invention discloses a multifunctional hydrophobic and oleophobic concrete curing film agent as well as a preparation method and application thereof. The preparation method comprises preparation of a first-layer film agent and preparation of a second-layer film agent, the preparation of the first-layer film agent comprises the following steps: adding a polymer monomer, nano silicon dioxide, polycarboxylate, lauryl sodium sulfate, polyvinyl alcohol, a water reducing agent and an anti-ultraviolet agent into water, stirring to form an emulsion, adding an initiator under the protection of nitrogen, and carrying out a polymerization reaction to obtain the first-layer film agent; the preparation of the second-layer film agent comprises the following steps: adding a hydrophobic and oleophobic material, a silane coupling agent and a catalyst into a solvent, and uniformly stirring to obtain the second-layer film agent; the hydrophobic and oleophobic material comprises polydimethylsiloxane and polyvinylidene fluoride. The concrete curing film agent prepared by the invention has good effects of filling, permeating and repairing gaps, has multiple functions of water reduction, water resistance, oil resistance, hydrophobicity, crack prevention and the like, is durable in use stability, and effectively expands the use universality of the curing film agent.

The invention provides an ionic liquid modified phenolic resin and application thereof as a rubber additive. The ionic liquid modified phenolic resin is prepared by reacting a phenolic compound, an ionic liquid, an aldehyde compound and an optional modifier. According to the invention, the ionic liquid is modified on the phenolic resin used as rubber tackifying resin or reinforcing resin, so that the interaction between the resin additive and the filler is enhanced, the adsorption of the filler to a vulcanization system is reduced, and the purpose of improving the vulcanization performance and the mechanical performance of the rubber material is achieved on the basis of not influencing the functionality of the phenolic resin.

The invention belongs to the technical field of epoxy adhesives, and particularly relates to an epoxy adhesive slow-binding agent with temperature control performance. The epoxy glue slow-binding agent is prepared from the following raw materials in parts by weight: 100 parts of epoxy resin; 60-80 parts of an organic phase change material; 40 to 60 parts of filler; 10-30 parts of a curing agent; 10 parts of a diluent; and 10 parts of carboxyl-terminated liquid nitrile rubber. According to the invention, the carboxyl-terminated liquid nitrile rubber is used as a flexibilizer to enhance the flexibility of the epoxy adhesive slow-adhesion agent, and the moisture latent curing agent and the organic phase change material are used, so that the pot life of the slow-adhesion agent can be prolonged and the curing period can be shortened by utilizing the heat storage and heat release of the phase change material; and the engineering requirements of long working life and short curing period of the retard-bonded prestressed tendon can be met.

The present invention relates to the technical field of inductor preparation, and discloses an integrally formed inductor and a preparation method thereof, the preparation method comprising: placing a winding coil in a mold; filling the mold with a mixed powder, the mixed powder comprising a lubricant and a composite magnetic powder; die casting, and then thermal curing; the components of the composite magnetic powder comprising: an insulating agent, a first adhesive, a second adhesive, a third adhesive, a low-temperature curing agent, a curing catalyst, and passivated magnetic powder; the first adhesive is selected from at least one of epoxy resin, phenolic resin, and polyurethane; the second adhesive is a cyanate resin; and the third adhesive is selected from at least one of liquid polysulfide rubber and polycarbonate. The preparation method can produce an inductor with no cracking and high temperature resistance.

The invention relates to the technical field of coatings, in particular to an anhydride cured epoxy resin composition for a pouring process and a preparation method of the anhydride cured epoxy resin composition. The anhydride cured epoxy resin composition for the pouring process comprises a component A and a component B, wherein the component A comprises liquid epoxy resin and a reactive diluent; the weight ratio of the liquid epoxy resin to the reactive diluent is (70-90): (10-30); the component B comprises an anhydride curing agent, a toughening agent, a first accelerant and a second accelerant; the first accelerant is a quaternary ammonium salt accelerant, and the second accelerant is an amine accelerant. The anhydride cured epoxy resin composition for the pouring process provided by the invention can be cured in a short period under medium and low temperature conditions, and a cured product can achieve good mechanical properties, has good tensile and bending properties, and has a better application prospect compared with the existing amine curing agent system epoxy resin cured under the same conditions. Wherein the elongation at break after low-temperature short-period curing is improved.

The application provides a plugging-preventing fluid for resin cementing fluid and a preparation method and use method thereof. The plugging-preventing fluid comprises the following components in parts by weight: water 100 parts, epoxy resin diluent 15-100 parts, emulsifier 5-15 parts, and suspension stabilizer 0-3 parts. The epoxy resin diluent has good compatibility with the epoxy resin, which can delay the curing time of the epoxy resin. The emulsifier can effectively reduce the interfacial tension of each component of the mixed system of the epoxy resin and the water phase of the plugging-preventing fluid, and form a relatively strong film on the surface of the epoxy resin droplets or a double electric layer on the surface of the epoxy resin droplets, so as to prevent the droplets from gathering with each other, and keep the uniform emulsion to prevent the epoxy resin from gathering and curing to leave a plug. The suspension stabilizer can make the plugging-preventing fluid better suspend the resin droplets, prevent the suspended resin droplets from settling and gathering, and hinder the epoxy resin from gathering and curing.

The present invention discloses a moving assembly of a high-voltage DC relay and an assembly method thereof, wherein the moving assembly comprises a push rod, a moving iron core and a stopper; the push rod is fitted in the through hole of the moving iron core; the bottom of the moving iron core is provided with a first groove with an opening facing downward, and the side wall of the first groove is inclined; the bottom section of the push rod corresponds to the first groove of the moving iron core, and the stopper is formed by injection molding in the area surrounded by the first groove of the moving iron core and the bottom section of the push rod and realizes the fixation of the push rod and the moving iron core. The present invention can effectively solve the problem of thread eccentricity by using a smooth rod for positioning and canceling the threaded connection, and improve the problem that the rotation of the iron core in the X / Y direction cannot be effectively restricted due to the gap between the tooth top and the tooth bottom between the internal and external threads; by using a stopper for stopping and canceling the glue dispensing, it can not only avoid the defects of the glue dispensing bringing organic matter, cracking and generating foreign matter, but also reduce the time required for the glue dispensing curing, thereby improving the production speed.