148results about How to "Fast curing" patented technology

A durable composite anticorrosive coating for a concrete structure of a road in a cold region belongs to the technical field of building materials, and adopts the specific scheme that the composite anticorrosive coating comprises an inner coating and an outer coating, the inner coating is coated on a concrete base surface, the outer coating is coated on the inner coating, and the outer coating is coated on the outer coating. The inner coating is a single-component epoxy resin interface bonding layer, and the outer coating is a single-component MMA resin sand-containing anti-corrosion layer. Through the composite structure design of the epoxy resin interface bonding layer and the MMA resin sand-containing anti-corrosion layer, the advantages of high permeability and strong bonding characteristics of epoxy resin and the advantages of rapid curing, high wear resistance, wide temperature range (still keeping toughness at-40 DEG C) and good weather resistance of MMA resin are fully played, and the efficient and lasting protection effect is achieved.

The utility model provides a kind of for corn planting seed coating device, including frame body and install coating bin on frame body, the frame body is provided with stirring assembly, the stirring assembly includes driving motor and connecting shaft, spiral blade is fixedly installed on the connecting shaft, the driving motor is used to drive connecting shaft rotation.The utility model is communicated with extension ring on the upper end of cover plate, and integrates the drying structure of "blower fan+heating wire":blower fan inhales outside air downward into extension ring, heating wire heats air into hot air of suitable temperature, and hot air enters coating bin through grid plate, and seed in stirring is contacted fully, and water in coating agent is evaporated in real time, and coating agent is solidified rapidly and adhered on seed surface;Meanwhile, the air pipe on cover plate can discharge humidity and excess hot air in bin in time, maintain dry environment in bin, fundamentally avoid the problem of seed adhesion, reduce coating agent drop, guarantee coating stability.

The application belongs to the technical field of insulation packaging, and particularly relates to a modified epoxy resin with thermal stability, a preparation method and application. The modified epoxy resin with thermal stability provided in the application is loaded with aluminum oxide-supported tin-bismuth alloy nanoparticles (Al2O3-Sn 57 Bi 43 ), which interacts with epoxy resin molecules to form hydrogen bonds, chemical bonds or van der Waals forces and other interaction forces, greatly improving the energy required for the breaking of epoxy resin molecular chains during heating. Meanwhile, the aluminum oxide-supported tin-bismuth alloy nanoparticles (Al2O3-Sn 57 Bi 43 ) have good heat conduction performance and can dissipate heat as a heat conduction path, which increases the thermal decomposition temperature of the material and enhances the thermal stability of the epoxy resin, thereby solving the defect of poor thermal stability of the epoxy resin.

The present application relates to the technical fields of new energy vehicle high-voltage wiring harness, and especially relates to a new energy vehicle high-voltage wiring harness with self-healing insulation layer and a preparation method thereof, in order to solve the problem that the self-healing effect is reduced due to the difficulty of the coating layer in penetrating into the internal insulation layer to repair deep cracks; the present application can release a low-viscosity repair agent when the internal insulation layer is damaged, fill the cracks by capillary action, and then combine with the internal insulation layer through self-curing to complete self-healing; when the external insulation layer is damaged, the outer surface PE composite film film kit is broken, and the internal self-repairing silicone rubber flows out; the siloxane chain triggers key recombination to fill the gap by stress and heat at the crack, and at the same time, the channel between the shielding layer and the aluminum alloy protective layer is blocked, gas is introduced through the air vent, and the protective layer is used for heat conduction to accelerate the solidification of the silicone rubber, so that the self-healing effect of the insulation layer of the wiring harness is improved through the double-layer self-healing function.

The invention discloses a PCCP pipe bell and spigot joint sealing system manufacturing method and a PCCP pipe bell and spigot joint sealing system manufactured through the PCCP pipe bell and spigot joint sealing system. During manufacturing, a joint is filled with an elastic blocking piece, the elastic blocking piece is divided into a first sub-joint and a second sub-joint, and the elastic blocking piece is arranged in the joint in an abutting mode through a locking mechanism; mortar is poured into the first sub-joint through a reserved first grouting opening, and the locking mechanism is removed after the mortar does not flow; a base layer is arranged on the upper end face of an upper opening of the second sub-joint, anticorrosive paint is applied to the base layer to form an anticorrosive coating, the anticorrosive coating and the base layer form a plugging structure and seal the second sub-joint, and sealant is poured into the second sub-joint through a reserved second grouting opening; the elastic barrier piece is basically non-sticky to mortar and the like; the method is suitable for construction in the low-temperature environment, the obtained sealing system can adapt to different stress interferences and different environmental factors, lasting sealing can be achieved, the construction technology can be simplified after the anti-corrosion coating is formed in a front-arranged mode, and the construction speed is high.

The utility model relates to PCB board processing technical field discloses a kind of PCB soft board processing heat curing equipment, including the processing box for the storage of PCB soft board, the lower end of the processing box is fixedly connected with the support frame for supporting processing box, hot air component for drying and curing to PCB soft board is installed in the processing box, and placing assembly for fixing PCB soft board is installed between the hot air component. The utility model realizes two-way heating by the hot air disc of symmetry up and down, makes PCB soft board double side synchronous heating, forms uniform temperature field, effectively prevents one-sided heating deformation, improves solvent evaporation and resin curing efficiency, and adopts knob type clamping mechanism cooperation rotation design, so that board material rotates at uniform speed in curing process, realizes three-dimensional heating, eliminates local overheating phenomenon, and heating uniformity deviation is lower, prevents material thermal deformation.

The application belongs to the technical field of polyurethane grouting materials, and discloses a high polymer grouting material capable of being rapidly cured in a low-temperature environment, which is formed by mixing A component and B component, and the content of each component is as follows in terms of weight fraction: A component: 100 parts of polymethylene polyphenyl polyisocyanate; B component: 35 parts of polyether polyol A, 15 parts of polyester polyol B, 5-15 parts of Mannich base, 10 parts of flame retardant, 1.5 parts of foaming catalyst, 0.5 parts of gel catalyst, 0.5 parts of surfactant, 5 parts of physical foaming agent, 1.0 parts of chemical foaming agent and 5 parts of plasticizer. The Mannich base curing agent is added to the B component during preparation of the two-component polyurethane grouting material, and is uniformly mixed with other materials, so that the high polymer grouting material can be rapidly cured in a low-temperature environment.

The utility model discloses an injection mold with automatic stripping mechanism relates to injection mold technical field, including lower fixed plate and upper fixed plate, the outside of vertical board is equipped with the ram plate of sliding cover, is provided with pull rod on the pull -out board, the top surface of ram plate is provided with the ram rod of equidistance even distribution, ram rod vertical extension penetrates the bearing plate and extends to the inside of male die kernel. The utility model discloses the ingenious combination of vertical board, ram plate, pull -out board, pull rod and ram rod has realized the stripping of plastic part without setting up hydraulic system, and ram plate can move along the guide of sliding block and sliding slot under the pull of pull rod, thereby drives ram rod and ejects plastic part from male die kernel, and this design simplifies the mould structure, reduces the cost, and also improves the reliability and efficiency of stripping.

The utility model discloses a mold beneficial to product lamination, which relates to the technical field of molds and comprises a main body module and a UV (ultraviolet) glue conveying device positioned on one side of the main body module, the main body module comprises a base and a cabinet body connected to the end face of the base, a workbench is arranged between the base and the cabinet body, a positioning assembly is arranged on the end face of the workbench, and the positioning assembly is used for positioning an assembly with a first component and a second component; a fixing plate is further installed on the end face of the workbench through a guide column, a UV light source is installed at the bottom of the fixing plate, and the UV light source is located over the positioning assembly. The UV glue conveying device comprises a glue storage tank and a conveying pipeline, one end of the conveying pipeline is connected with the glue storage tank, and the other end of the conveying pipeline extends into the cabinet body and corresponds to the assembly body on the positioning assembly; according to the utility model, positioning, glue injection and curing processes are integrated through the integral integrated design, so that the production cycle is shortened, and the production efficiency and the stability are remarkably improved.

The utility model belongs to the field of coating devices, and particularly relates to a wire and cable insulating layer coating device which comprises a base, and an unwinding frame is arranged on the top of the base. A winding frame is arranged at the top of the base; a first motor is mounted on one side of the winding frame; an extrusion molding discharging barrel is mounted at the top of the base; the top of the extrusion molding discharging barrel is connected with an extrusion molding structure; a water tank is arranged at the top of the base; cooling water is arranged in the water tank; a vertical plate is arranged at the top of the base; a plurality of mounting seats are arranged on the two sides of the vertical plate; a UV curing lamp is mounted on the surface of the mounting seat; convex lenses are symmetrically and fixedly connected to the middle part of the mounting seat; the convex lens is positioned among the plurality of mounting seats; through cooperation of the UV curing lamp and the convex lens, light emitted by the UV curing lamp can be focused by the convex lens to reach the surface of the cable, the curing speed of the cable insulation layer after coating is accelerated, and subsequent molding of the cable insulation layer is facilitated.

The application discloses a kind of dashboard skin surface treatment equipment, it is related to surface processing field, including processing box, two air cylinders are installed in the lower box wall of processing box both sides, and the top of the output end of adjacent two air cylinders is jointly installed with limit seat, two limit seats are slidably connected with sliding seat, and the top of sliding seat is jointly connected with processing device, processing device includes fixing frame, slot, screw, motor, repair mechanism and cooling mechanism, slot is opened in the top side of fixing frame, screw is movably connected in fixing frame, motor is fixedly installed at one end of fixing frame, and the output end of motor penetrates one end of fixing frame and is fixedly connected at one end of screw;The dashboard skin surface treatment equipment is automatically repaired to the damaged part of dashboard skin by the cooperation of the multiple components such as air cylinder, motor, rotating disc, driver, hot air gun and spraying gun etc., effectively reduces maintenance cost and resource waste.

The invention discloses a microcapsule latent curing accelerator, a preparation method of the microcapsule latent curing accelerator, a TGIC cured polyester powder coating and a preparation method of the TGIC cured polyester powder coating. The microcapsule latent curing accelerator comprises a capsule core and a capsule wall, wherein the capsule core accounts for 50-85% of the total mass of microcapsules, and the capsule wall accounts for 15-50% of the total mass of the microcapsules; the capsule core is at least one curing accelerator selected from imidazole compounds, imidazolium salts, quaternary ammonium salts, organic phosphine or quaternary phosphonium salts; the capsule wall is a cross-linked polymer shell formed by in-situ polymerization of an amino resin prepolymer; and the particle size D50 of the microcapsule is 1-20 microns. The accelerant has the beneficial effects that the storage stability (40 DEG C accelerated storage) of a coating using the accelerant should exceed 60 days while the coating keeps excellent low-temperature curing capacity at 130-160 DEG C, and a final coating film has appearance and comprehensive performance equivalent to those of a traditional high-temperature curing coating.

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 present invention addresses the problem of providing: a substrate; provided are: a curable resin composition which is capable of achieving rapid curing at low temperatures (for example, curing at 70-80 DEG C for 30 minutes), exhibits high adhesive strength during curing at low temperatures for a short period of time, and has a long pot life; a method for producing the curable resin composition; an adhesive or sealing material containing the curable resin composition; a cured product of the adhesive or sealing material; a semiconductor device including the cured product; and an electronic component. Provided is a curable resin composition containing (A) a radical polymerizable curable compound, (B) a radical polymerization initiator, (C) a polymerization inhibitor, and (D) inorganic particles, the content of the (C) polymerization inhibitor in the curable resin composition being in the range of 0.1-3.0 parts by mass per 100 parts by mass of the (B) radical polymerization initiator, and the content of the (D) inorganic particles being in the range of 0.1-3.0 parts by mass per 100 parts by mass of the (B) radical polymerization initiator. Also provided are a method for producing the curable resin composition, an adhesive or sealing material containing the curable resin composition, a cured product thereof, and a semiconductor device and an electronic component containing the cured product.

The application discloses a kind of corrosion-resistant industrial aluminum profile and manufacturing method thereof, belong to aluminum profile preparation technical field.In the surface of aluminum profile, corrosion-resistant paint is electrostatically sprayed, paint is with epoxy resin as matrix, it is separated from aluminum profile and outside environment, improve the corrosion resistance and water resistance of aluminum profile;The compatibility of prepared nanometer silicon dioxide with epoxy resin matrix is better than that of ordinary nanometer silicon dioxide, can improve the wear resistance of paint, also can promote the curing of paint;Prepared auxiliary can significantly enhance the heat resistance, corrosion resistance, light aging resistance and certain degree of water resistance of paint, and long-term stable performance;Therefore, the aluminum profile prepared by the application has excellent corrosion resistance and water resistance, and the paint sprayed on the surface of the aluminum profile has good wear resistance, also has stable and efficient corrosion resistance, heat resistance and light aging resistance, and has important application value in the field of aluminum profile preparation technology.

The application discloses a high-temperature curing ablation-resistant and heat-insulating two-component coating and a preparation process. The coating is composed of A component and B component. The A component comprises modified epoxy resin, liquid butyronitrile rubber, aluminum hydroxide powder, chromium trioxide, high-silica fiber powder, hollow glass microbead and toluene; the B component is a curing agent and a curing accelerator. In the preparation, the aluminum hydroxide powder, the chromium trioxide, the high-silica fiber powder and the hollow glass microbead are made into a filler dispersion liquid; then the epoxy resin and the liquid butyronitrile rubber are made into a resin-rubber mixture; then the filler dispersion liquid is slowly and uniformly added into the resin-rubber mixture under stirring, and the A component is obtained by soaking in a static magnetic field at room temperature and grinding; the curing agent and the curing accelerator are the B component. By optimizing the coating composition, the ablation resistance and the heat-insulating performance of the coating can be obviously improved by coating a single layer, the construction process is simplified, the coating thickness is reduced, and the high-temperature resistance of the coating is improved.

The application relates to the battery technical field and discloses a battery pack and an electric device, which comprise a box body, a cover body and a battery monomer assembly. The box body comprises a side plate and a containing cavity with an opening surrounded by the side plate; a glue groove is arranged on the side plate, a glue layer is arranged in the glue groove, a ventilation hole is arranged on the outer wall of the side plate, and the ventilation hole is communicated between the glue groove and the outside of the box body. The cover body is arranged on one side of the opening of the box body, the cover body seals the opening and is bonded with the glue layer in the glue groove. After the battery monomer assembly is arranged in the containing cavity, glue is poured into the glue groove. Then, the cover body is arranged on one side of the opening of the box body, so that the cover body seals the opening and the glue groove, and thus, after the glue solidifies to form the glue layer, the cover body can be bonded with the box body through the glue layer. Since the ventilation hole is arranged on the outer wall of the box body and is communicated between the glue groove and the outside of the box body, air can enter the glue groove through the ventilation hole and contact the glue, so that the glue can absorb the water vapor in the air and quickly solidify, and the forming efficiency of the glue layer is improved.

The utility model discloses a release type pyrograph film uniform coating device which comprises a machine frame, a first unwinding roller, a second unwinding roller, a coating mechanism and a winding roller, and the first unwinding roller, the second unwinding roller, the winding roller and the coating mechanism are all arranged on the machine frame. The coating mechanism comprises a scraper assembly, a pressing assembly and a cooling roller; the scraper assembly comprises a coating roller, a scraper and an adjusting assembly, and the coating roller is arranged on the rack in a rolling manner; the scraper is correspondingly arranged on the adjacent side of the coating roller, and the output end of the scraper abuts against the side surface of the coating roller. One end of the adjusting assembly is movably connected to the rack, and the other end of the adjusting assembly is connected to the scraper. According to the uniform coating device for the release pyrograph film, the first unwinding roller and the second unwinding roller are used for unwinding at the same time, the release pyrograph film is conveyed to the winding roller to be wound after being coated and overlapped through the coating mechanism, and therefore coating processing of all layers of structures of the release pyrograph film is achieved.

The application discloses a single-component transparent silicone sealant and a preparation method thereof. The single-component transparent silicone sealant is prepared from alpha, omega-dihydroxyl polydimethylsiloxane, a hydroxyl-terminated phenyl-modified resin, heat-resistant fillers, a hydroxyl scavenger, a crosslinking agent, a coupling agent and a catalyst. The crosslinking agent is composed of butanone oxime silane and siloxane oligomers. The hydroxyl-terminated phenyl-modified resin is modified from methyl-terminated phenyl MQ resin. The MQ ratio of the methyl-terminated phenyl MQ resin is 0.5-1, and the phenyl content is 5%-30%. The silicone sealant can maintain high transparency, and has good heat resistance and curing performance. The silicone sealant is a single-component system, and can be applied to the market. After being applied to the market, the silicone sealant can be constructed by using simple glue coating equipment, and the construction cost of enterprises is reduced.

The utility model relates to integrated hot melting tapping equipment which comprises a transverse moving assembly, a pre-trepanning assembly, a hot melting drilling assembly and a tapping assembly, the pre-trepanning assembly, the hot melting drilling assembly and the tapping assembly are all arranged on the transverse moving assembly, the pre-trepanning assembly is arranged on one side of the hot melting drilling assembly, and the tapping assembly is arranged on the other side of the hot melting drilling assembly. The pre-trepanning assembly comprises a connecting plate, a connecting box, a motor, a driving wheel, a driven wheel, a belt, a lifting driver, a rotating shaft assembly and a drill bit, the connecting plate is arranged on the transverse moving assembly, the connecting box is fixed to the connecting plate, the motor is arranged in the connecting box, the output end of the motor is connected with the driving wheel, and the driven wheel is connected with the belt. The pre-punching assembly is arranged on the transverse moving assembly, the precise size and position of a hole can be ensured through pre-punching, the tapping assembly can enter the hole more easily and form firm connection, the cutting resistance of hot melting tapping in a material can be reduced, and operation is easier and more efficient.

The utility model relates to the technical field of plastic molds, and discloses a multi-cavity synchronous demolding plastic mold which comprises a lower mold base, a cavity is formed in the lower mold base, a lifting assembly is arranged in the cavity, a plurality of jacking columns are connected to the top of the lifting assembly, a plurality of forming grooves are formed in the top of the lower mold base, the jacking columns penetrate through the forming grooves, and the lifting assembly is arranged in the cavity. A vibration motor is fixedly connected to the middle of the bottom of the lower die base, an upper die base is arranged on the top of the lower die base, a plurality of sealing blocks are fixedly connected to the bottom of the upper die base and correspond to the forming grooves, and mounting groove blocks are fixedly connected to the two sides of the upper die base. According to the mold, plastic in the forming groove can be cooled through water flowing circularly in the cooling pipe, rapid demolding is facilitated, the lifting plate can be controlled to ascend and descend in the cavity in cooperation with the lifting assembly, and therefore the multiple ejection columns can be driven to penetrate through the forming groove at the same time, and a formed plastic product is ejected out.

The present application relates to the field of optical cable manufacturing, and discloses a high-temperature-resistant and flame-retardant optical cable manufacturing and shaping process, which comprises an ultraviolet curing furnace, the ultraviolet curing furnace comprises an ultraviolet curing box, the upper and lower ends of the inner wall of the ultraviolet curing box are fixedly connected with first rotating shaft groups, the first rotating shaft groups are rotatably connected with first rotating ring groups through first heating box groups, a plurality of groups of first limiting grooves are formed in the two ends of the inner wall of the ultraviolet curing box, the inner cavities of the first limiting grooves are slidably connected with second rotating shaft groups, the second rotating shaft groups are rotatably connected with second rotating ring groups through second heating box groups, one end of the second rotating shaft groups is fixedly connected with the first circular gear groups through rotating rod groups, and the first circular gear groups are rotatably connected with the ultraviolet curing box. Compared with the prior art, the present application has the advantages that the time required for curing the optical fiber is shorter, the production efficiency is improved, the power consumption of the ultraviolet curing furnace is lower, and the production cost is reduced.

The application discloses a bone-separating and non-ironing vertical belt turning machine and relates to the technical field of garment processing. The bone-separating and non-ironing vertical belt turning machine is characterized by a vertical integrated structure design, which integrates sewing, bone separation, belt turning, double-medium non-ironing shaping, traction feeding and cooling and heat dissipation processes in the same machine body, completely solves the core defects of the prior art, such as the need for multiple independent equipment for step-by-step processing and the need for multiple batch transfers of materials, eliminates the waiting time and material flow loss between processes, and realizes the whole-process processing from a semi-finished product to a finished product through one-time belt walking, so that the production efficiency is further improved compared with the traditional multi-equipment discrete processing mode, the production delivery cycle of the belt material product is greatly shortened, the multiple independent equipment required by the traditional processing mode is replaced by a single integrated equipment, the equipment procurement cost of enterprises is greatly reduced, and the skill threshold and the number of workers are greatly reduced in the whole-process automatic continuous operation.

A sleeve transferring and discharging device comprises a sleeve bearing block, a sleeve locking clamp is arranged at the end of the sleeve bearing block, the sleeve locking clamp is used for clamping a sleeve, and the sleeve bearing block is driven by a sleeve bearing block transferring device to move; a plurality of inserting holes are formed in the sleeve bearing block and matched with the inserting plate, and the inserting plate is driven by the inserting plate driving device to move; a sleeve bearing block jacking device is arranged below the inserting plate driving device and used for jacking a sleeve bearing block. The sleeve bearing block jacking device is matched with the inserting plate driving device and the inserting plate to be used for retaining the sleeves on the sleeve bearing block on the inserting plate. The sleeve bearing block jacking device, the inserting plate driving device and the inserting plate work cooperatively, the sleeves can be stably retained on the inserting plate through the orderly actions of jacking, inserting and descending, orderly temporary storage of the sleeves is achieved in cooperation with the storage box on the upper portion of the inserting plate, follow-up centralized collection and packaging are facilitated, manual secondary treatment is reduced, and the production efficiency is improved. And the discharging efficiency and the production automation degree are obviously improved.

The application provides a high-temperature acidolysis device and method for uranium-containing polymetallic silicate ore, and relates to the technical field of hydrometallurgy. The device is used for high-temperature acidolysis of uranium-containing polymetallic silicate ore, the function structure of a slurry preparation tank is designed, and material is added in batches in sections, so that the risk of slurry tank overflow is reduced, and the time for slurry preparation is shortened; the reaction heat and dilution heat are used to make the material mature in the stirring tank, so that the energy consumption is reduced, and the reaction time in the subsequent high-temperature acidolysis process is shortened. The solidification of the slurry and the high-temperature acidolysis equipment are modularized and connected in series, and are carried out in the paddle stirring equipment, so that the rapid solidification of the slurry and the fine control of the high-temperature acidolysis process are realized, the technical problems of material caking and scarring in the high-temperature acidolysis are effectively solved, the energy consumption is reduced, the amount of waste gas generated in the acidolysis process is reduced, and the equipment floor area is saved.

The utility model belongs to the field of adhesive dispensing devices, and particularly relates to a semiconductor chip adhesive dispensing device which comprises a rack, and a pair of first sliding rails are mounted on the inner wall of the rack; a second sliding rail is mounted between the first sliding rails; a third sliding rail is slidably connected to the middle of the second sliding rail. The middle of the third sliding rail is slidably connected with a mounting base. A nozzle is mounted at the bottom of the mounting seat; a box body is fixedly connected to the middle part of the mounting seat; the end part of the box body is communicated with an air pipe; the other end of the box body is communicated with a plurality of spray heads; a plurality of filter plates are arranged in the box body; through the cooperation of the air pipe and the nozzle, the hot air flow can pass through the air pipe and is sprayed to the surface of the colloid from the nozzle, heating of the device during chip dispensing is achieved, and the curing speed of the colloid on the surface of the chip is increased.

The UV moisture dual-curing glue provided by the application comprises the following raw materials in terms of weight content: 15-35 parts of alkoxyl-terminated 107, 40-60 parts of vinyl silicone oil, 1-10 parts of fumed silica, 1-5 parts of mercaptan polysiloxane, 1-7 parts of moisture curing cross-linking agent, 1-3 parts of tackifier, 0.5-1.5 parts of platinum catalyst, 0.5-2 parts of photoinitiator, and 0.1-1 part of moisture curing catalyst. The UV moisture dual-curing glue provided by the application is convenient to apply, can be quickly cured, can be quickly positioned, has a dry surface after curing, has no anaerobism, and can meet the requirements of irregular workpiece application and curing.

This invention relates to the field of medical polymer materials technology, and discloses an injectable polymer hydrogel and its preparation process. The hydrogel is prepared by in-situ crosslinking of solution A and solution B at a volume ratio of 1:1. Solution A includes oxidized dextran, zinc gluconate, anhydrous betaine, and phosphate buffer, while solution B includes carboxymethyl chitosan and phosphate buffer. This invention utilizes oxidized dextran and carboxymethyl chitosan to construct Schiff base covalent crosslinks, and introduces zinc gluconate to provide delayed metal coordination crosslinks, forming a double crosslinked network; simultaneously, anhydrous betaine is used to construct a hydration shield within the network. This invention effectively solves the problems of needle blockage caused by excessively rapid gelation time in traditional in-situ hydrogels and excessive swelling after implantation, achieving controllable gelation time, stable osmotic pressure, and uniform internal network, exhibiting excellent clinical operability and structural stability.

The utility model discloses a full-automatic film laminating machine for gift box production. The full-automatic film laminating machine comprises an operation table; the film laminating and attaching mechanism is arranged above the operation table, and the film laminating and attaching mechanism is used for tightly attaching a film to a gift box paperboard; gift box paperboards are continuously conveyed through a conveying belt, glue dripping, film covering and ballasting are sequentially completed, the height of the film covering and laminating mechanism is adjusted through a first electric telescopic rod, a supporting spring drives a pressing roller support to enable the four corners of a ballasting roller to be evenly pressed, laminating bubbles are eliminated, glue solidification is accelerated through an air heater in a closed outer shell, and bonding is strengthened through a secondary ballasting roller. The automatic process is combined with double ballasting, the efficiency and the film pasting flatness are improved, the glue dripping mechanism adjusts the dislocation amount of a hole baffle and glue leaking holes of a glue storage box through a second electric telescopic rod, the glue flow speed is controlled, it is ensured that the thickness of a glue layer is uniform, different process requirements are met, and the film laminating stability and the material utilization rate are improved.

The utility model discloses an IC chip anti -interference processing equipment relates to chip processing technical field, including the processing station, the top of processing station is equipped with a plurality of equidistance distribution's positioning slot, the inside of positioning slot places has the folding frame for bearing IC chip, the back of processing station is fixedly installed with electric guide rail, the point gum mechanism of slidingly being provided on electric guide rail, the point gum mechanism includes the hanger of sliding installation on electric guide rail, the front side of hanger is slidably installed with the lifting frame, the inside fixed mounting of lifting frame is a pair of fixed sleeve, the utility model discloses through setting point gum mechanism, can increase a point gum procedure for the production of IC chip, and the IC chip automatic point gum adds a layer of non - transparent epoxy resin black glue on the IC chip surface and will IC chip completely wrap up, and the anti -light interference performance of receiving head has been improved greatly.