62results about How to "High temperature resistance" patented technology

The utility model relates to a kind of fireproof bridge temperature regulation telescopic device, it includes telescopic joint subassembly and cover plate subassembly constitute, telescopic joint subassembly contains symmetrically set in the telescopic section of middle section both sides, two sliding fit, telescopic section top wall's limiting bolt is embedded in the waist type slot of middle section, realize sliding guide and stroke control, cover plate subassembly includes fixed cover plate, movable cover plate and piano key telescopic sealing cover, fixed cover plate is fixedly connected telescopic section, movable cover plate buckling middle section, three are through piano key telescopic sealing cover telescopic cooperation, and device uses double fireproof structure of outer spraying fireproof coating and inner pasting nonmetal fireproof lining, when working, device can adapt to bridge thermal expansion and contraction, length is adjusted by telescopic joint subassembly, piano key telescopic sealing cover guarantees airtightness, have telescopic adjustment and long-term airtightness, fireproof performance is stable, structure is stable and installation maintenance is convenient.

This utility model discloses a high-voltage DC relay with a dual-magnetic steel structure, comprising: a housing, two sets of stationary contacts arranged inside the housing with their tops extending to the outside of the housing, an inner support cover inside the housing, an outer iron core inside the inner support cover, a shaft body at the center of the outer iron core, a moving contact at the upper end of the shaft body, and a bracket at the lower part of the moving contact. This utility model uses a dual-magnetic steel structure made of ferrite and neodymium iron boron materials, which features high temperature resistance and strong magnetism. The temperature generated during relay operation has a relatively small impact on the magnets, avoiding the situation where the product's electrical life is shortened due to excessively high operating temperature. Furthermore, the structural changes of this new product broaden its applications, and the improved temperature resistance of the magnets enhances the stability of the relay during operation.

The invention belongs to the technical field of petroleum and natural gas resource development, and particularly relates to an expansion metal abandoned layer isolation tool. The device comprises a central pipe, an open hole anchoring sealing assembly, a valve hoop and a feeding separation assembly. The open hole anchoring sealing assembly comprises an expansion metal anchoring sealing shell. A sealing cavity is formed between the expansion metal anchoring sealing shell and the central pipe; the upper end and the lower end of the expansion metal anchoring sealing shell are each sleeved with a set of expandable barrel type slips, and the center pipe is sleeved with the expandable barrel type slips. Through type slits are evenly distributed in the expandable barrel type slip. The valve hoop sleeves the central pipe and is in threaded connection with the central pipe; the valve hoop is provided with a channel which is communicated with the central pipe and is communicated with a sealing cavity between the central pipes of the expansion metal anchoring sealing shell; the expansion metal abandoned layer isolation tool is made of metal. The soft metal framework is expanded through hydraulic driving, meanwhile, other anchoring and sealing assemblies installed on the soft metal framework are linked to be expanded together to be attached to the stratum, and the anchoring and sealing functions are achieved.

The utility model relates to anti-static filter cloth, a filter bag and a bag cage. The anti-static filter cloth comprises anti-static yarns spun by polyphenylene sulfide fibers and stainless steel fibers, the polyphenylene sulfide yarns and the anti-static yarns are woven into the anti-static base cloth layer according to a specific proportion and at intervals; polyphenylene sulfide fibers are carded into an upper-layer cotton net and a lower-layer cotton net, an antistatic base cloth layer and tens of thousands of steel needles with barbs are added between the upper-layer cotton net and the lower-layer cotton net, the fibers are wound and hooked up and down to form a non-woven fabric with certain density and strength, and the non-woven fabric is subjected to post-treatment to prepare the antistatic filter cloth. The filter bag is made of the antistatic filter cloth and is used for a dust remover in the coal chemical industry. And the bag cage is used for fixing the filter bag. The bag cage has excellent conductivity, can conduct static electricity generated in the coal chemical industry, especially in a pulverized coal collector, to the body steel structure through the bag cage, on one hand, can prevent pulverized coal from burning and damaging a filter bag due to the static electricity, and on the other hand, can prevent pulverized coal from burning or exploding due to electrostatic sparks.

This invention discloses a surface hardening method for universal joints in screw drills and related universal joints. The method includes: performing heat treatment and finishing on a rough-machined universal joint blank to obtain the universal joint body; after preheating the universal joint body, spot welding a tungsten-cobalt alloy block wrapped with nickel-based brazing filler metal to the wear-resistant contact surface at one end of the universal joint body; spraying nickel-tungsten carbide powder and nickel-coated boron carbide composite powder onto the wear-resistant contact surface to form a hardened layer on the wear-resistant contact surface; after cooling, grinding the sprayed surface to the design dimensions; inspecting the porosity of the ground sprayed surface, filling the porosity with nickel-tungsten carbide powder and nickel-coated boron carbide composite powder, heating and melting to seal the porosity; and after cooling, precision grinding the universal joint to the design dimensions. This invention greatly improves the wear resistance and impact fracture resistance of the universal joint, enabling it to be used in conjunction with other screw drill components resistant to 350℃ high temperatures to form screw drills resistant to 350℃ high temperatures.

The present application relates to the technical field of high-temperature-resistant electronic components, and particularly relates to a high-temperature-resistant electronic component, which adopts the following technical scheme: a frame body is provided with a glue-filling sealed electromagnetic coil at the center of the frame body, and the frame body is made of high-temperature-resistant plastic material; a manufacturing process of the high-temperature-resistant electronic component comprises the following steps: S1, selecting a suitable coil body and an outer frame with a pin; S2, sealing the middle part of the coil body in the outer frame to provide mechanical support, heat dissipation and electrical connection; and S3, connecting the coil motor and the inner lead of the outer frame by using a fine metal wire (gold wire, aluminum wire or copper wire) to realize electrical conduction. The molten material in the discharge bucket can be dispersed into different cavities respectively, and the bubbles in the dispersed molten material are more easily extracted, so that the residual bubbles in the molten material are reduced.

The application belongs to the field of paint, and particularly discloses PU white primer, a preparation method and application thereof. The PU white primer comprises A component, B component and C component. The A component comprises hydroxyl acrylic acid resin, castor oil, dispersing agent, defoaming agent, cyclohexanone, silicon dioxide, titanium white powder, talcum powder, calcium carbonate, butyl acetate, leveling agent, organic tin and propylene glycol methyl ether acetate. The B component comprises butyl acetate, HDI trimer and isocyanate prepolymer. The C component comprises dimethylbenzene, butyl acetate, propylene glycol methyl ether acetate and dimethyl carbonate. The PU white primer has the advantages of water resistance, high temperature resistance, adhesion, adhesion, hiding power and strong flexibility, and has superior comprehensive performance, is green and safe, low in cost, and is very suitable for being used as wood and stone surface primer in kitchens, bathrooms and the like.

The utility model relates to a box bottom cable moistureproof threading connection structure of a distribution box, comprising a distribution box body, the bottom of the distribution box body is provided with two wire inlets which are symmetrically distributed left and right, the distribution box body is internally provided with four moistureproof assemblies, every two of the four moistureproof assemblies are in one group, and the other two of the four moistureproof assemblies are in one group. The moisture-proof assemblies are symmetrically distributed up and down, each group of moisture-proof assemblies is mounted through a wire inlet, each moisture-proof assembly comprises a mounting base and a sealing ring, a cable enters the distribution box body through the interior of the mounting base, and after the cable is connected with an electrical element in the distribution box body, gas is injected into the cavity through the gas nozzle, so that the electrical element in the distribution box body is sealed. The sealing ring is tightly attached to the gap between the cable and the mounting base after expansion, so that a physical barrier is formed, moisture is effectively prevented from entering the box body, and cable insulation layer aging, metal part corrosion or short circuit faults caused by the moisture are avoided.

The utility model provides a kind of submerged entry nozzle electric heating baking device, including hearth shell, the wall of hearth shell includes nanometer microporous heat insulation plate layer, light clay brick layer and high-alumina refractory brick layer in turn from outside to inside, hearth shell is equipped with one or more heat-resistant partition, for the inner cavity of hearth shell is divided into multiple baking chambers, each baking chamber is used to install submerged entry nozzle, each baking chamber is evenly arranged with multiple silicon carbide heating rods around the periphery of submerged entry nozzle, the cold end of each silicon carbide heating rod is passed through hearth shell and is connected with power supply, hearth shell is equipped with insulating sealing sleeve pipe at the wall penetration position of each silicon carbide heating rod. It can meet the high-temperature preheating demand of submerged entry nozzle, and multiple submerged entry nozzles can be simultaneously and evenly electrically heated and radiantly baked, the temperature field distribution of submerged entry nozzle is uniform, local stress concentration problem is not prone to occur, and the heat insulation effect of hearth shell is good, heat loss is small, and energy utilization rate is high.

The present application relates to a solid form of an indole compound, a preparation method therefor and a use thereof. Specifically, the present application relates to a solid form of a compound of Formula (1), a method of preparing same, a pharmaceutical composition comprising same, and a use thereof in treating a disease.

The application discloses a high-silica glass fiber heat insulation cotton for automobiles and a preparation method thereof, and relates to the technical field of sound and heat insulation. The high-silica glass fiber is used as raw material, and the high-silica glass fiber has higher high-temperature resistance and high-temperature stability than conventional glass fibers, can maintain high mechanical strength for a long time, and avoids softening under high temperature. The phenolic resin is modified, a boron-silicon modified polyphenol monomer containing phenolic hydroxyl groups and boron and silicon elements is prepared, and participates in the condensation reaction of the phenolic resin, so that the phenolic resin has higher high-temperature resistance and flame retardance, and the glass fiber heat insulation cotton has higher safety performance.

This invention relates to a method for online crosslinking of hollow bodies using ultraviolet light through blow molding. The molding method includes the following steps: 1) Two preforms are cut into blanks, which are then positioned between two molds and an intermediate mold; an ultraviolet light emitting device is installed on the intermediate mold; 2) The molds are closed, and air is blown into the intermediate mold to preform the preforms; 3) After preforming, ultraviolet light irradiation and fixing of the internal components are performed; 4) The molds are closed, and blown needles on the molds begin blowing air, fusing the two preformed half-shells together along the parting line to form a hollow body, which is then cooled and solidified; 5) The molds are opened, and the product is removed. This method addresses the problems of low strength in plastic fuel tanks, which, in the field of high-pressure fuel tanks, cannot withstand the high fuel vapor pressure generated by temperature differences and prolonged engine inactivity, leading to large deformation of the fuel tank, as well as the high cost of existing plastic high-pressure fuel tank solutions.

The application discloses a low-permeability and high-temperature-resistant charging valve for R744 heat pump air conditioner, which comprises a charging valve core and a charging valve body, wherein the charging valve core comprises a center rod, a compression spring, a fastening block, a sealing body and a sealing gasket; the upper and lower ends of the center rod are provided with outward protruding stoppers for respectively blocking the compression spring and the sealing gasket; the compression spring is located between the top stopper of the center rod and the fastening block; the outer side surface of the fastening block is provided with threads matched with the inner cavity of the charging valve body; the top of the fastening block is in the form of a crossbeam structure; the two sides of the crossbeam are provided with through holes communicated with the inner center cavity of the fastening block; the sealing body is provided with a center through hole, the upper end of which is located in the center cavity of the fastening block; the top surface of the sealing gasket is in close contact with the bottom surface of the sealing body to form a sealing surface; and the bottom surface of the sealing gasket is in close contact with the bottom stopper of the center rod to form a sealing surface. Compared with the conventional refrigerant or the existing R744 refrigerant charging valve, the charging valve has the good performances of high-temperature resistance and low permeability.

The invention relates to the technical field of cosmetics and preparations thereof, and discloses a heat-resistant liquid crystal emulsion system based on acetylated sodium hyaluronate as well as a preparation method and application thereof, the heat-resistant liquid crystal emulsion system comprises the following components in parts by weight: 1-6 parts of a liquid crystal emulsifier, 0.01-0.2 part of acetylated sodium hyaluronate, 5-60 parts of grease, 0.1-1 part of a thickening agent, 0.1-1 part of a preservative and the balance of water, totaling 100 parts. The preparation method comprises the following steps: respectively preheating the oil phase and the water phase according to the ratio, emulsifying under high-speed homogenization, and stirring and cooling at a controlled temperature. The core of the invention is that acetylated sodium hyaluronate is introduced into a liquid crystal system as a structural stabilizer, and the thermal stability of a liquid crystal structure is remarkably improved through the anchoring effect of the acetylated sodium hyaluronate and a liquid crystal layer; after the emulsion is stored at 40 DEG C for a long time, the liquid crystal texture is kept complete, and the emulsion has excellent long-acting moisturizing performance and can be used as an ideal carrier of high-end cosmetics and external medicine preparations.

The invention relates to the technical field of functional materials, in particular to a preparation method of a melatonin modified sleep-aiding polyester master batch, which comprises the following steps: mixing melatonin and pretreated cucurbit [8] uril for inclusion, and freeze-drying to obtain an inclusion compound; then dispersing in a wall material solution, homogenizing at a high speed, adding tannic acid and carrageenan for cross-linking and curing, and performing spray drying to obtain microcapsules; and finally, carrying out melt blending on the microcapsules and the low-melting-point copolyester chips in a double-screw extruder, and carrying out temperature-controlled extrusion pelletizing. According to the process, the cucurbit [8] uril is utilized to form the molecular capsule, so that the thermal stability and the encapsulation efficiency of the melatonin are remarkably improved; meanwhile, chitosan is adopted as a base material and is matched with a composite wall material formed by cross-linking and curing tannic acid and carrageenan, so that decomposition and loss of active components in the high-temperature melting process are effectively prevented.

Provided are a solid form of a Rho-associated protein kinase inhibitor (6-(4-((4-(1H-pyrazol-4-yl)phenyl)amino)pyrimidin-2-yl)-1-methyl-1H-indol-2-yl)(3,3-difluoroazetidin-1-yl)methanone or a solvate thereof, a method for preparing the solid form, a pharmaceutical composition comprising the solid form, and a use of the solid form as a Rho-associated protein kinase (ROCK) inhibitor, preferably a selective ROCK2 inhibitor.

The application discloses a kind of flame-retardant high-temperature resistant fabric and preparation method thereof, cloth is placed in pre-finishing liquid, two dip two roll, once drying, once baking, washing, plasma treatment, obtain pre-finishing cloth, then pre-finishing cloth is completely immersed in strengthening finishing liquid, heat impregnation, secondary drying, secondary baking, ammonia fumigation, washing, air dry, three times drying, immediately obtained.The pre-finishing liquid of the application is made by mixing polyacrylamide modified halloysite nanotube, nano zirconium oxide, tetrahydroxymethyl sulfate phosphorus, sodium dodecyl sulfate and water, the strengthening finishing liquid is made by mixing 1,2-dimethyl-3-hydroxyethyl imidazole bis (trifluoromethanesulfonyl) imidazole salt and 1-aminopropyl-3-methyl imidazole bis (trifluoromethanesulfonyl) imidazole salt, using them to carry out pre-finishing and strengthening finishing in turn, greatly improve the flame resistance and high-temperature resistance of fabric.

The application discloses a guar gum composition for oil field exploitation and a preparation method thereof, and relates to the technical field of guar gum. The method comprises the following steps: alkalizing, cation etherizing and copolymerizing AM-AMPS with natural guar gum to obtain an organic modified guar gum; introducing active groups through a silane coupling agent KH-560; and finally, carrying out in-situ sol-gel reaction with SiO2-TiO2 composite precursors to form an organic-inorganic interpenetrating network structure. The guar gum composition has good structural stability and viscosity retention capacity at high temperatures, and is suitable for fracturing construction of deep high-temperature oil and gas reservoirs.

The application discloses a high-temperature-resistant and corrosion-resistant full-temperature-range measuring ceramic temperature sensor and a preparation method thereof, and belongs to the technical field of temperature sensors.The high-temperature-resistant and corrosion-resistant full-temperature-range measuring ceramic temperature sensor comprises an ultrasonic sensing ceramic rod, one end of the ultrasonic sensing ceramic rod is sequentially provided with a crystallization orientation induction layer, a piezoelectric functional layer, a protective layer and a high-temperature-resistant electrode layer from inside to outside, and the piezoelectric functional layer is a (002) oriented columnar crystal AlScCrN coating.The application has the beneficial effect that the ceramic material is applied to temperature detection as a temperature sensor, the shortcomings that a traditional thermocouple has a slow response speed and cannot work in a corrosive environment are avoided, the ceramic temperature sensor can work from a low temperature of liquid nitrogen to a high temperature of 2500 DEG C, and the temperature measurement in a wide temperature range is realized for the first time.

The invention discloses a high-temperature-resistant metal casting demolding coating and a preparation method thereof, and belongs to the technical field of coatings. The components of the coating are optimized, the composite binder formed by compounding the organic binder and the inorganic binder is adopted, and the high-temperature-resistant auxiliary agent composed of the zirconite powder, the corundum powder and the nano cerium oxide is combined, so that the temperature tolerance of the coating is remarkably improved, and the service life of the coating is remarkably prolonged; the added hexagonal boron nitride can form a compact and smooth coating surface, the adhesion between a metal melt and a mold can be effectively reduced by combining the high-temperature-resistant auxiliary agents of different grades and utilizing the filling-supporting-lubricating synergistic effect and synergistic effect of particles of different sizes, and efficient and stable demolding performance is achieved; and the nano aluminum oxide can form chemical bonding with hexagonal boron nitride and the composite binder, so that the interface bonding force is further enhanced, the coating is prevented from being layered and peeled off under high-temperature impact, the thermal impact of molten metal on the mold is effectively buffered, and the service life of the mold is prolonged.

The application discloses a kind of cooking grade high-function polyethylene film and preparation method thereof, belong to plastic film technical field.The polyethylene film is composed of the following weight parts raw materials: high-density polyethylene 40-60 parts, linear low-density polyethylene 20-40 parts, carboxyl or maleic anhydride modified polyethylene 20-40 parts, epoxy compound 0.5-2 parts, zinc acetate 0.5-1 part, opening agent 1 part and slip agent 1 part.Epoxy compound and carboxyl / anhydride group in modified polyethylene form dynamic covalent crosslinking network under the catalysis of zinc acetate, effectively limit polyethylene molecular chain high temperature movement, inhibit the recrystallization behavior in cooking process.The preparation method includes: raw material premixing, twin-screw extruder melt granulation, film blowing molding.The single-layer film thickness of the application is 50-80 μm, initial haze is less than 20%, after 121 DEG C / 30min cooking, heat shrinkage is less than or equal to 2%, haze change is less than or equal to 2%, without whitening and tackiness phenomenon, solve the performance degradation problem of traditional PE film after high-temperature cooking, while maintaining excellent heat sealability and transparency.

The application belongs to the technical field of thickening agent preparation, and particularly relates to a preparation method of a polymer thickening agent for fracturing. The preparation method comprises the following steps: preparing a pre-processed methyl methacrylate (triethoxysilyl) methyl ester solution; preparing a pre-processed 2-[[2-(methacryloyloxy)ethyl]dimethylammonium] acetate solution; preparing an aqueous phase; and preparing the polymer thickening agent for fracturing. The preparation method of the polymer thickening agent for fracturing comprises the following steps: taking acrylamide as a main monomer, taking maleic acid mono[2(1-oxo-2-propenyl)oxyethyl] ester, methyl methacrylate (triethoxysilyl) methyl ester and 2-[[2-(methacryloyloxy)ethyl]dimethylammonium] acetate as functional monomers, taking an oxidation-reduction initiator combined with an azo initiator as an initiator system, and realizing multi-monomer copolymerization through gradient temperature polymerization to prepare the polymer thickening agent for fracturing which has temperature resistance and salt resistance.

The invention relates to the technical field of high polymer materials, in particular to a low-warpage halogen-free flame-retardant PBT (polybutylene terephthalate) material and a preparation method thereof. According to the invention, the flame-retardant siloxane and the gamma-mercaptopropyltrimethoxysilane are added to modify the low-warpage glass fiber, so that the composite low-warpage glass fiber is obtained. The halogen-free flame retardant is obtained by adding phosphonitrilic chloride trimer, triethylamine, aminopyrazine and acrylamide. Stirring and mixing the PBT resin, the composite low-warpage glass fiber, the inorganic fiber, the halogen-free flame retardant, the thermal initiator azodiisobutyronitrile, the solvent tetrahydrofuran and other raw materials, carrying out stirring reaction, heating to remove the solvent, and carrying out extrusion granulation to obtain a finished product. The finished product prepared by the invention has excellent flame retardance and warping resistance, so that the finished product has a wide application prospect in the technical field of high polymer materials.

The application relates to a preparation method of a lithium battery diaphragm and belongs to the technical field of lithium battery preparation. The method is as follows: epoxy resin, a diluent, a curing agent 1 and an oleophilic emulsifier are uniformly mixed to obtain dispersion liquid 1; an electrolyte solution is constantly dropped into the dispersion liquid 1, constant-temperature high-speed stirring is carried out, and a water-in-oil emulsion is obtained; under constant temperature, deionized water, a hydrophilic emulsifier and a curing agent 2 are uniformly mixed to obtain dispersion liquid 2; the water-in-oil emulsion is added into the dispersion liquid 2, high-speed emulsification is carried out, and a water-in-oil-in-water emulsion system is obtained; the water-in-oil-in-water emulsion system is subjected to temperature rising and curing; after curing, centrifugal separation, washing and drying are carried out, and a solid nanometer adhesive is obtained; the solid nanometer adhesive is ground, then is uniformly coated in a mold and is subjected to high-temperature treatment, and the lithium battery diaphragm is obtained. The electrolyte solution is selected as the inner water phase of the water-in-oil emulsion, the internal osmotic pressure of the emulsion can be increased, fusion between the emulsions can be prevented, and the particle size is increased.

The utility model discloses a target material heat treatment furnace capable of accurately measuring temperature on line, which comprises a furnace body, a temperature display instrument, a plurality of temperature measuring devices and a plurality of temperature measuring wires, the temperature measuring devices are respectively inserted into temperature measuring holes of a target material, the temperature display instrument is arranged outside the furnace body, and one side of the furnace body is provided with a threading hole communicated with a furnace cavity of the furnace body. One end of each temperature measuring line is connected with the temperature measuring device, the other end of each temperature measuring line penetrates through the threading hole to be connected with the temperature display instrument, fireproof heat insulation filler is filled between the threading hole and each temperature measuring line, and each temperature measuring device is provided with a sealing piece used for sealing the temperature measuring hole of the target material. A plurality of temperature measuring holes are formed in the target material, and the temperature measuring devices are respectively inserted into the temperature measuring holes, so that the actual temperature of the target material is directly detected, heat treatment process parameters can be accurately controlled, and the influence of a target material heating curve lagging behind the display temperature of a target material heat treatment furnace on the quality of the target material is reduced; the influence of different initial charging temperatures on the target material quality is reduced, and the target material grain uniformity is improved.

The invention relates to the technical field of rocket launching tests, and discloses a device and a method for testing ablation resistance of a thermal protection structure. The testing device comprises a supporting structure, a rocket engine, a fluid director, a thermal protection structure, a temperature detection module and a laser scanner. The supporting structure comprises a placing table; the rocket engine is installed on the placing table. The fluid director comprises a fluid guide plate; the flow guide plate is arranged on one side of a nozzle of the rocket engine in the fuel gas injection direction of the rocket engine. The thermal protection structure comprises a thermal protection layer; the thermal protection layer is installed on the side, facing the nozzle, of the flow guide plate. The side, facing the nozzle, of the thermal protection layer is a flow guide face. The temperature detection module is attached to the side, away from the nozzle, of the guide plate and used for collecting the back temperature of the thermal protection structure. The problems that an existing thermal protection structure testing device and an existing thermal protection structure testing method cannot reflect the overall situation of a real fluid director thermal protection project, test parameter conditions are single, and the scale is limited are solved.

The invention relates to methods for producing high temperature resistant coatings and structures. In particular, the invention discloses a method for forming a ceramic-based material, the method comprising: depositing a ceramic precursor composition on a surface of a substrate to form a deposited layer of the ceramic precursor composition, the ceramic precursor composition comprising nanoparticles and a carrier fluid, the nanoparticles having at least one dimension less than 100 nm and an aspect ratio of 1.5 or greater; and sintering the deposited layer of the ceramic precursor composition at a sintering temperature to form the ceramic-based material.

The utility model provides a kind of organic silicon light-transmitting leather, organic silicon light-transmitting leather is used for attaching to target object, it includes 3D mesh material layer, base layer, light-transmitting organic silicon layer that are sequentially arranged, and pattern layer is set on light-transmitting organic silicon layer or base layer, pattern layer is set on the side of light-transmitting organic silicon layer or base layer close to target object, and the material of base layer is TPU or PET.In the utility model, transparent organic silicon layer and base layer both have the nature of light transmission, pattern layer can be formed into different patterns, and part of light can be blocked, so that different patterns can be observed by light from the outside.

The invention discloses an ultraviolet curing organic silicon adhesive, a preparation method and application, and belongs to the technical field of high polymer materials. Wherein the adhesive comprises a sulfydryl organic silicon material, an acrylate organic silicon material, vinyl modified polyvinyl chloride and other components, and the preparation method comprises the following steps: S1, preparing the vinyl modified polyvinyl chloride; s2, preparation of sulfydryl organic silicon grafted vinyl modified polyvinyl chloride; and S3, preparing the ultraviolet light curing organic silicon adhesive. According to the prepared ultraviolet curing organic silicon adhesive, a sulfydryl organic silicon material is grafted to vinyl modified polyvinyl chloride through a thiol-ene reaction, and acrylate organic silicon is connected, so that the light curing speed, the high and low temperature resistance and the adhesion of the adhesive are remarkably improved. The invention solves the problems of low curing speed and poor adhesive property caused by poor compatibility of polyvinyl chloride and an organic silicon material, and has the potential of being applied to preparation of a pressure-sensitive adhesive, a sealing adhesive, a laminating adhesive and a pouring sealant.

This application relates to the field of bio-agricultural breeding technology, and in particular to a method for off-season scallop seedling cultivation and its application. This application utilizes an indoor low-temperature circulating water system and employs a comprehensive environmental and nutritional control strategy involving "artificial low-temperature dormancy – gradient warming for maturation – off-season induced spawning – low-temperature acclimatization transition" to disrupt the natural seasonal rhythm of scallop reproduction. This not only ensures the survival rate of scallops released into the sea but also allows for staggered release times, shortens the cultivation cycle, and reduces summer mortality.