148results about How to "Improve temperature resistance" patented technology

The utility model relates to a bottle cap assembly and a container, the bottle cap assembly comprises an inner plug piece, an inner cap piece, an inner sleeve piece and an outer piece, the inner plug piece is arranged on a first liquid flow opening of the inner sleeve piece, the inner cap piece is plugged on a second liquid flow opening of the inner sleeve piece, the inner sleeve piece comprises a first inner sleeve and a second inner sleeve which are made of different materials, and the outer piece is arranged in the first inner sleeve; the second inner sleeve is arranged on the peripheral face of the first inner sleeve in a surrounding mode, and the outer part is arranged on the inner cover part and the second inner sleeve in a sleeving mode and attached to the peripheral face of the second inner sleeve. According to the bottle cap assembly and the container, the first inner sleeve and the second inner sleeve are made of different materials, so that the first inner sleeve connected with the inner plug piece and the inner cap piece can be made of materials which do not affect contact with liquid, and the safety requirement is met; and the second inner sleeve connected with the outer part can be made of a material which is excellent in temperature resistance and impact resistance and is prohibited from being in contact with liquid, so that the inner sleeve part is not easy to pull out, and the bottle body or the outer part can be damaged when the inner sleeve part is forcibly pulled out, and the aim of preventing counterfeiting is fulfilled.

The utility model relates to the technical field of automobile awning sunshade curtains, and discloses a clip for an automobile awning sunshade curtain, which comprises an inner support arm, the anti-falling part is positioned at the root part of the inner supporting arm; the supporting part is connected with the anti-falling part; the magnet mounting part is positioned below the supporting part, and a magnet is arranged in the magnet mounting part; and the outer supporting arm is connected with the magnet mounting part. The utility model has the beneficial effects that the structure is more symmetrical, and the stress is easier to balance.

The utility model provides a moving contact system and a circuit breaker comprising the same. The moving contact system comprises a plurality of contact fingers which are arranged in parallel; the contact supporting piece comprises a supporting plate and a pair of supporting arms arranged on the two sides of the supporting plate, and the first ends of the plurality of contact fingers are pivotally installed between the pair of supporting arms; the plurality of springs are arranged corresponding to the plurality of contact fingers and are positioned between the plurality of contact fingers and the supporting plate of the contact supporting piece; and the insulating grating comprises a connecting part which is arranged between the contact finger and the spring. According to the moving contact system, the insulating grating is arranged between the contact finger and the corresponding spring, so that the spring can provide larger contact pressure for overcoming electro-dynamic repulsive force during short-time tolerance, the tolerance performance is improved, meanwhile, the insulating grating and the contact finger can keep synchronous movement, friction force is reduced in the switching-on / switching-off process, and the service life of the moving contact system is prolonged. And the mechanical performance of the circuit breaker is improved.

A missile telemetry antenna array based on feed phase difference and screw coupling, comprising: inverted F antenna, missile cabin, rectifier block, RF cable and transmitter; a plurality of inverted F antennas are evenly distributed around the central axis of the missile cabin, and the inverted F antennas are fixedly installed on the outer wall of the missile cabin; the inverted F antennas are connected with the transmitter through the RF cable; a rectifier block is arranged above the head of each inverted F antenna; the rectifier block is fixedly installed on the outer wall of the missile cabin; and the rectifier block is used for flow guiding, so that no stagnation point of aerodynamic heating appears on the inverted F antenna. The present application optimizes the gain depression of the axis direction of the missile body, realizes the protection of the aerodynamic heating and force of the antenna by installing the rectifier block in front of the antenna, generates electromagnetic resonance and induced current through the installation screw of the rectifier block, realizes the secondary radiation of electromagnetic waves and the reflection guiding effect.

The invention discloses an oil-soluble temporary plugging agent for protecting a broad-spectrum drilling oil and gas reservoir and a preparation method, and belongs to the technical field of temporary plugging agents, the oil-soluble temporary plugging agent comprises the following components by weight: 1.2-6.8 parts of a flexible resin material; 1.9 to 7.5 parts of a rigid resin material; 0.3 to 0.7 part of a particle size regulator; 0.2 part to 0.6 part of a particle nucleating agent; and 0.1 to 0.3 part of an interface modifier. The oil-soluble temporary plugging agent has the advantages that the softening point is adjustable in the range of 60-120 DEG C, the particle size is controllable in the range of 0.01-2.0 mm, and due to the flexible structural characteristic of the oil-soluble temporary plugging agent, the oil-soluble temporary plugging agent has wide universality and can be perfectly matched with pore structures of different oil and gas reservoirs, and the problems that softening points of a traditional oil-soluble temporary plugging agent are intensively distributed, and the particle size is not matched with the pore structures of the reservoirs are effectively solved.

The utility model discloses a combustion control device for an RTO (Regenerative Thermal Oxidation) incinerator, which relates to the technical field of combustion control of incinerators and comprises a bracket, and a control valve II is fixedly mounted on the outer surface of a transmission pipe; an adjusting mechanism used for controlling the combustion size is arranged between the controller and the conveying pipe and comprises a fuel gas inlet fixedly formed in the outer surface of the controller. According to the combustion control device for the RTO incinerator, external air is conveyed through the air inlet, the air circulates in the conveying pipe, a first control valve is installed on the side, close to the air inlet, of the conveying pipe, the circulating air is controlled through the first control valve, and the air is conveyed into a combustion-supporting air pipeline through the conveying pipe; the sealing disc is installed at the connecting position of the pipeline, so that the sealing performance of the pipeline is improved, the gas leakage phenomenon is avoided, the situation that the gas circulation size cannot be adjusted when the first control valve is damaged is avoided through the second control valve, the guarantee for equipment is improved, and the safety of the pipeline is guaranteed.

This invention provides a peelable coating composition for achieving a Fresnel lens effect through heat pressing, comprising the following components in parts by weight: 20-50 parts of polyurethane resin with active groups; 2-6 parts of solid acrylic resin; 1-3 parts of cellulose ester resin; 1-5 parts of latent curing agent; 0-0.3 parts of additives; and 40-60 parts of solvent; wherein the glass transition temperature (Tg) of the polyurethane resin with active groups is 25-50°C. The advantages of this invention are: the system provided by this invention is highly practical and easy to operate. The low Tg (25-50°C) polyurethane resin with active groups introduced easily reaches its softening point during hot pressing, exhibiting excellent fluidity and effectively filling the fine gratings of the Fresnel lens, resulting in a full replication effect. This polyurethane resin, combined with the latent curing agent, is stable at room temperature; when the hot pressing temperature threshold is reached, a cross-linking reaction is initiated. This mechanism improves the system's temperature resistance and solves the problems of easy adhesion and reflection of low Tg resins in the later stages.

The application discloses a comb-shaped long-chain alkyl copolymer asphalt inhibitor and a preparation method and application thereof. First, octadecyl methacrylate, maleic anhydride and styrene are used for copolymerization, and then an amide reaction of the copolymer and tetradecylamine or octadecylamine is carried out to obtain the comb-shaped long-chain alkyl copolymer asphalt inhibitor. The inhibitor has an inhibition rate of greater than 95%, raw materials are easy to obtain, reaction conditions are mild, and the inhibitor is suitable for large-scale production. The preparation method only needs two-step conventional reactions, and high pressure and special purification equipment are not needed.

This invention discloses a method for preparing silicon carbide fibers with an in-situ boron nitride coating. The method involves melt spinning a metal-doped polycarbosilane precursor to obtain doped polycarbosilane precursor fibers. These precursor fibers are then subjected to a non-melting treatment in an oxidizing atmosphere to obtain non-melting fibers. The non-melting fibers are then subjected to inorganic pyrolysis to obtain inorganic fibers. These inorganic fibers are then densified and sintered to obtain boron-containing SiC fibers. Finally, the boron-containing SiC fibers are subjected to high-temperature treatment in a nitrogen atmosphere to obtain silicon carbide fibers with an in-situ boron nitride coating. This invention provides a simple preparation method, resulting in an in-situ self-grown BN coating with high crystallinity, good stability, and excellent uniformity. The coating is tightly bonded to the SiC fibers, is low-cost, and can be mass-produced. Furthermore, it significantly improves the fiber's temperature resistance and high-temperature creep resistance, allowing the fiber to serve for extended periods at higher temperatures.

The application discloses a gelatinous material prepared by using industrial waste residues and used for oilfield water layer plugging, a preparation method and a water plugging cement slurry, and relates to the technical field of oilfield water plugging materials. The gelatinous material is composed of 25-40 parts of superfine siliceous material, 50-65 parts of superfine calcareous material, 4-8 parts of superfine silico-aluminous material, 1-2 parts of nano calcium silicate, 2-4 parts of superfine expanding agent and 1-3 parts of starch density stabilizer in terms of weight percentage. The application solves the technical problems of low plugging strength, poor plugging effect, poor durability and high cost of the existing water plugging materials, and meets the oilfield water layer plugging requirements of different working conditions.

The application discloses an antioxidant composite ceramic aerogel and a preparation method thereof, and belongs to the technical field of composite ceramic aerogels.The main body of the antioxidant composite ceramic aerogel is a silicon nitride aerogel, the nanostructure of the silicon nitride aerogel is one of one-dimensional silicon nitride nanowires and two-dimensional silicon nitride nanobands or a combination of the two nanostructures, and a mullite coating and a copper-nickel metal coating are sequentially coated on the nanostructure of the silicon nitride aerogel from inside to outside.The application can solve the technical problem that the prior art cannot prepare silicon nitride ceramic aerogels which can stably serve in a high-temperature oxygen environment at low cost and in batches.

This invention relates to the field of battery separator materials technology, specifically to MXene-functionalized aramid paper-based battery separators, their preparation methods, and applications. Meta-aramid paper is prepared by wet papermaking using short-cut meta-aramid fibers and precipitated fibers. MXene nanosheets are prepared by hydrofluoric acid etching. Using the meta-aramid paper as a substrate, a functional coating is constructed on the surface of the aramid paper by loading a mixture of para-aramid nanofibers and MXene through a vacuum-assisted filtration-layer-by-layer self-assembly method. The resulting functionalized separator is obtained through protonation reduction. The separator, with its three-dimensional porous protective layer constructed from para-aramid nanofibers and MXene, combines physical barrier and chemical bonding, effectively inhibiting polysulfide shuttle. Furthermore, the highly active sites of MXene can activate inert sulfur-containing substances, improving sulfur utilization. When used in assembling lithium-sulfur batteries, the separator achieves an initial discharge capacity of 1244 mAh·g at a constant current density. ‑1 The capacity retention rate is 82% after 200 cycles.

The application discloses an aluminum cover forming method and an aluminum cover and relates to the technical field of aluminum cover manufacturing. The aluminum cover forming method comprises the following steps: S1, placing an aluminum plate into an initial forming die, and forming a macro-domain large curved surface in the middle of the aluminum plate and an initial foot position with the same height as a required foot position on the circumferential edge of the aluminum plate through the extrusion force of a press machine and the initial forming die; S2, placing the aluminum plate preliminarily formed in S1 into a final forming die, and further forming the macro-domain large curved surface formed in the middle of the aluminum plate into a final shape at room temperature through the final forming extrusion pressure of the press machine, and flowing and filling the edge cavity of the final forming die to form an edge through the extrusion of the final forming die, and forming a final foot position shape through the extrusion of the initial foot position; and S3, opening the die to take out the formed aluminum cover. The production of the large-size foot position height aluminum cover can be realized at room temperature, the energy consumption is low, and the aluminum cover is simple and convenient to manufacture.

The application provides a kind of polyhedral oligomeric silsesquioxane and its preparation method and application, belong to polyhedral oligomeric silsesquioxane technical field, the structural formula of polyhedral oligomeric silsesquioxane of the application is as shown in formula (1): formula (1) in, R a , R b , R c , R d , R e , R f , R g , R h At least one of them is different, and each is independently-SCH2COOCH2CH (OH) CH2OOC (CH3) =CH2, -SCH2COOCH2CH (OH) CH2O (CH2) 4Si (OCH3) 3.The polyhedral oligomeric silsesquioxane of the application is applied to adhesive or coating material, which can improve the hardness, wear resistance of adhesive or coating material, and reduce the shrinkage rate when resin curing.

The utility model belongs to the technical field of constructional engineering, and discloses a damp-proof device for preventing cracking of an ultra-large-area terrace, which comprises a base layer, a damp-proof structural layer is connected to the upper surface of the base layer, an anti-cracking protective layer is connected to the upper surface of the damp-proof structural layer, the damp-proof structural layer comprises a damp-proof coating layer coated on the base layer, and the anti-cracking protective layer is connected to the lower surface of the damp-proof coating layer. The moisture-proof coating layer is coated with the waterproof coating layer, the concrete pouring layer is arranged on the waterproof coating layer, the surface of the base layer is sequentially coated with the moisture-proof coating layer and the waterproof coating layer, good moisture-proof and waterproof protection performance is achieved, the concrete pouring layer is good in structural performance and compression resistance, the base layer is stable, and the whole is formed in a pouring mode. The floor paint coating is used in cooperation with the epoxy resin coating and the vinyl resin coating, protection treatment is conducted on the concrete pouring layer, and good abrasion-resistant and scratch-resistant protection effects are achieved.

This invention belongs to the field of synthetic bio-based waterborne polyols, mainly applied to waterborne polyurethane mortar floor coatings. This invention provides a modified castor oil specifically for waterborne polyurethane mortar floor coatings. It achieves waterborne conversion and controllable functionality of castor oil through relatively simple process conditions. Emulsions made from the modified castor oil synthesized by this invention have better storage stability than emulsions made by direct external emulsification of castor oil. Furthermore, it requires less stringent process conditions than chemical grafting of functional groups to improve the hydrophilicity of castor oil, meaning that waterborne conversion and functionality control of castor oil can be achieved under milder conditions.

The utility model relates to conductive adhesive tape technical field discloses a conductive adhesive tape with antiskid structure, including conductive cloth, the top fixedly connected with first lug of conductive cloth, the top of conductive cloth is provided with adhesive layer, the bottom of conductive cloth is provided with waterproof and breathable membrane. This conductive adhesive tape with antiskid structure is provided with conductive cloth, first lug, second lug and antiskid agent, and first lug and second lug can make the upper and lower ends of conductive cloth uneven, thereby can increase the friction of the upper and lower ends of conductive cloth, the friction of conductive cloth can improve the antiskid performance of conductive cloth, makes conductive cloth antiskid and can prevent conductive cloth from accidentally sliding when using and influences use effect, and antiskid agent can further improve the antiskid performance of conductive cloth surface, solve the problem that the surface of adhesive tape is too smooth, easily slides in the operation process, leads to the problem of inaccurate installation or poor contact.

This application relates to the field of artificial core technology, and discloses a high-temperature and high-pressure resistant artificial core for steam-driven thermal recovery and its manufacturing method. The manufacturing method includes the following steps: thoroughly mixing core particles with a binder to obtain a mixture; molding the mixture into a square columnar core; forming a sealing layer on the outer surface of the columnar core, and installing high-temperature resistant end caps at the inlet and outlet ends of the columnar core to obtain a cemented core; allowing the cemented core to solidify; heating a liquid crystal polymer to complete melting; placing the cemented core into a mold, pouring the liquid crystal polymer into the mold, ensuring the liquid crystal polymer completely submerges the cemented core; applying a set pressure to the mold, maintaining the set pressure, cooling to a set temperature, and then unloading the pressure to completely solidify the liquid crystal polymer to form the artificial core; demolding the artificial core from the mold, and installing valves on the high-temperature resistant end caps. The artificial core produced by this method meets the temperature and pressure requirements of indoor physical simulation experiments for heavy oil thermal recovery.

The invention discloses a hot-coated high-barrier heavy-wrapping roll film and a preparation method thereof. Belongs to the technical field of packaging materials. The roll film sequentially comprises an outer-layer base material film, a middle barrier layer and an inner-layer heat sealing film. The middle barrier layer is formed by drying and curing nano-composite barrier liquid coated on the inner surface of the outer-layer base material film; the nano-composite barrier liquid comprises polyvinyl alcohol, a surface-modified inorganic nano-material dispersion liquid, a polymer emulsion, a cross-linking agent and a wetting agent. After being preheated, the barrier liquid is coated by micro gravure, is dried through three stages of rapid shaping, deep crosslinking and high-temperature densification in sequence, and is finally compounded with an inner-layer heat-sealing film in a solvent-free manner. Through precise coupling of a synergistic effect among specific components and a multi-stage drying process, the roll film has excellent initial oxygen barrier property, water vapor barrier property, excellent stability in a high-temperature and high-humidity environment and high barrier stability after simulating a dynamic mechanical load of heavy packaging and transportation.

The invention discloses a high-performance water-based automotive interior adhesive and a preparation method thereof, and relates to the technical field of automotive interior adhesives. The high-performance water-based automotive interior adhesive is prepared from the following components in parts by mass: 30 to 50 parts of modified water-based polyurethane emulsion, 15 to 30 parts of acrylic emulsion, 5 to 15 parts of tackifying resin, 2 to 6 parts of coalescing agent, 0.5 to 3 parts of cross-linking agent, 0.1 to 0.5 part of flatting agent, 0.1 to 0.5 part of defoaming agent, 0.2 to 1 part of thickening agent, 0.05 to 0.3 part of preservative and 10 to 25 parts of deionized water. The water-based polyurethane emulsion is subjected to surface modification through the coupling agent with a specific structure, the bottleneck that the interface bonding force between a traditional water-based adhesive and PP and other low-surface-energy and non-polar base materials is insufficient is broken through, and high peel strength can be achieved without flame, corona or prime coat or other pretreatment procedures on the PP base materials; and the bonding process flow of the automotive interior trim parts is greatly simplified.

The invention discloses a water-swelling elastic plugging agent for a water-based drilling fluid and a preparation method of the water-swelling elastic plugging agent. The water-swelling elastic plugging agent comprises the following components in parts by weight: 100 parts of a polyolefin elastomer matrix material; 15 to 20 parts of a reinforced matrix material; 0.8 to 1.5 parts of a polyolefin elastomer matrix material cross-linking agent; 8 parts to 15 parts of a reinforcing agent A; 20 to 30 parts of a reinforcing agent B; 15 to 30 parts of super absorbent resin; 15 to 20 parts of a plasticizer; 0.2 to 0.8 part of an isolating agent; 0.5 to 1 part of an anti-aging agent; the plugging agent provided by the invention is simple in preparation process, not only is beneficial to industrial production, but also is convenient to prepare plugging slurry on site, can achieve a good plugging effect, and provides an effective technical means for well leakage treatment.

According to the sodium chlorate solution filter provided by the utility model, the structure of the sodium chlorate solution filter is improved, so that the filtering effect and the filtering efficiency of the sodium chlorate solution filter are improved. The sodium chlorate solution filter comprises a shell, a solution inlet pipe, a solution outlet pipe and a plurality of filter sticks, wherein the solution inlet pipe and the solution outlet pipe are communicated with the shell, the filter sticks are arranged in the shell, each filter stick comprises a supporting cylinder with an inner cavity, a plurality of liquid inlet holes are formed in the cylinder wall of each supporting cylinder, and the filter screens cover the liquid inlet holes; and the inner cavity of the supporting cylinder is directly or indirectly communicated with the solution outlet pipe. By the adoption of the sodium chlorate solution filter, the temperature resistance of the sodium chlorate solution filter can be remarkably improved, and the filtering effect and efficiency of the filter are improved.

The invention discloses a high-strength impact-resistant glass product and a preparation method of the high-strength impact-resistant glass product in the field of glass, and the high-strength impact-resistant glass product comprises the following raw materials in parts by weight: 50-60 parts of SiO2; 10 to 15 parts of Al2O3; 5 to 8 parts of Li2O; 1 to 3 parts of Na2O; 0.5 to 1.5 parts of K2O; 2 to 5 parts of P2O5; 2 to 4 parts of ZrO2; 1 to 3 parts of TiO2; 1 to 2 parts of B2O3; 0.5 to 2 parts of rare earth oxide; 4 to 12 parts of modified SiC particles; and 1 to 3 parts of modified MoAlB particles. The modified SiC particles and the modified MoAlB particles are adopted as a double-phase reinforcing system, the thermal matching performance with a glass matrix is enhanced, and the strength and toughness of the final glass product are greatly improved under the assistance of the structural densification effect of the rare earth oxide.

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 present application relates to a kind of phosphonic acid-benzenesulfonic acid double modified carbon microspheres and its preparation method and application, belong to oil field chemical field.The method includes: S1 with biomass as raw material preparation original carbon microspheres;S2 original carbon microspheres are pre-oxidized and activated, obtain activated carbon microspheres;S3 activated carbon microspheres are phosphonated grafting reaction;S4 last perform sulfonic group grafting reaction.The present application also provides the phosphonic acid-benzenesulfonic acid double modified carbon microspheres prepared by this method, and the application of the phosphonic acid-benzenesulfonic acid double modified carbon microspheres in the preparation of water-based drilling fluid.In this phosphonic acid-benzenesulfonic acid double modified carbon microspheres, phosphonic acid group and benzenesulfonic acid group are introduced into the surface of carbon microspheres by stable covalent interaction, not easy to fall off in high temperature and high salt environment, can improve the stability of material in high temperature condition, to ensure that modified carbon microspheres in downhole complex working condition Long-term effect, make drilling fluid system can simultaneously withstand high temperature and high calcium ion double test.

The application discloses a salt-resistant water-non-dispersible material for oil well cement and a preparation method thereof. The salt-resistant water-non-dispersible material for oil well cement comprises the following components in the form of weight parts: 100 parts of N,N-dimethyl acrylamide, 3-6 parts of acrylic acid, 10-20 parts of 2-acrylamide-2-methylpropanesulfonic acid, 5-15 parts of a cyclic monomer, 0.1-0.4 parts of a branching agent, 5-15 parts of a cationic monomer, 0.3-3 parts of a crosslinking agent and 400-500 parts of water. The salt-resistant water-non-dispersible material prepared by the application has good salt resistance, can significantly improve the anti-dispersion performance of the cement slurry when used in a salt water and sea water cement slurry system with a NaCl content of 18 wt% or less, and has excellent rheological performance.

The invention belongs to the field of aero-engine combustion chamber outlet parameter measurement, and particularly relates to an aero-engine combustion chamber outlet sample gas sampler, which adopts a local impact cooling heat exchange structure, improves the temperature resistance of the windward side of the sampler, and can prolong the service life of the sampler in a combustion chamber outlet complex parameter measurement process. The flow of cooling water is greatly increased, and the cooling capacity of the whole structure is improved; and the mounting seat cavity is designed to cool the mounting seat, so that the possibility that the mounting seat is ablated in a high-temperature state is reduced.

This invention provides a pH-responsive, high-temperature resistant hybrid intelligent drug-release microcapsule, its preparation method, and its application in electrical insulation materials, relating to the field of electrical insulation materials. The preparation method of the microcapsules of this invention includes the following steps: weighing chitosan and adding it to an aqueous acetic acid solution, stirring to obtain an acidic chitosan solution; adding an isothiazolinone antibacterial agent solution dropwise to the acidic chitosan solution, performing high-speed shearing and ultrasonic dispersion to obtain a nano / submicron emulsion; adding tetraethyl orthosilicate dropwise to the emulsion, stirring, adjusting the pH value to form a hybrid gel shell; dispersing the hybrid gel shell in anhydrous ethanol; adding a silane coupling agent; adding a zinc salt solution, stirring to obtain a microcapsule slurry; adding the microcapsule slurry to a growth solution, and reacting to obtain the target microcapsules. The microcapsules of this invention have a core-shell-skin three-layer structure and, when used in outdoor electrical insulation materials, can achieve intelligent response and long-term inhibition of algae, mold, and microbial attachment and growth.

This invention relates to the field of battery separators, specifically to a high-heat-resistant, high-absorbency ceramic separator, its preparation method, and its application. The invention introduces hydroxyl-containing polymers into the coating. Because hydroxyl-containing polymers have good affinity for electrolytes, the ceramic separator exhibits excellent liquid absorption performance, thereby effectively improving the cycle performance of the battery cell. Furthermore, by introducing a boron-containing crosslinking agent into the coating, the borate ions in the inorganic boric acid aqueous solution can act as crosslinking agents to form hydrogen bonds with the hydroxyl-containing polymers, resulting in a crosslinking reaction. Additionally, the copolymerization of 4-vinylphenylboronic acid and ethylene glycol diethylene ether in the organic boric acid solution can form a six-membered ring at high temperatures. Therefore, a three-dimensional network structure is formed within the system over a wide temperature range, improving the skeletal strength of the ceramic separator coating and ensuring both high liquid absorption and improved temperature resistance of the ceramic separator.

This invention relates to the field of oilfield development technology, and discloses a polymer with viscosity-reducing function, its preparation method, and its application. The polymer has the structural units shown in Formulas 1 and 2. Oil displacement agents containing this polymer exhibit high static viscosity reduction, high oil recovery, salt resistance, and high-temperature resistance.