58results about How to "Long-lasting and stable performance" patented technology

The antistatic paint is prepared with resin varnish 100(in weight portions, the same below), high structure carbon black 5-40 and preferably 20-25, solvent 15-50, and coupling agent 0.1-0.3. The resin varnish is acrylate, epoxy resin, polyester or polyurethane. The production process includes stoving carbon black at 60-100 deg.c, spraying carbon black with coupling agent, adding carbon blac, resin and solvent successively into container while stirring, and ball milling. The paint of the present invention has the same antistatic effect as antistatic plastic but much less consumption and thus much lower cost, and has no influence on the other performance, such as mechanical performance, of the painted body.

A high-temperature economizing abrasive coating, its use and production are disclosed. The process is carried out by mixing nanometer alumina with titanium carbide, silicon oxide and iron oxide, ball grinding, mixing with high-temperature adhesive, agitating, blending and milling to be pasted The coating consists of abrasive agent 13-18 proportion, blackening agent 15-18 proportion, preserving agent 10 proportion, binder 45-55 proportion and additive 7 proportion. It's fine and dense; it has better binding strength and abrasive performances and no bubble. It can be used for internal wall of boiler in coal-fired power plant, pipeline and metallurgical industry with temperature above 1200 deg. C.

The invention discloses a compound medical dressing and a preparation method thereof, belonging to the field of compound medical dressings. The compound medical dressing comprises bacterial cellulose membranes, collagens and crosslinking agents, wherein the collagens are crosslinked on the bacterial cellulose membranes via the crosslinking agents. The preparation method comprises the steps of adding the purified bacterial cellulose membranes to a collagen solution containing the crosslinking agents and enabling the bacterial cellulose membranes and the collagens to carry out crosslinking reaction, thus obtaining the compound medical dressing. The loads of the collagens on the bacterial cellulose membranes and the loading stability of the collagens are improved by using the crosslinking agents, so that the properties of the prepared compound medical dressing are more lasting and stable. The method is simple, is easy to operate and has relatively high practicability.

The invention discloses a high-temperature-resistant and high-salt-resistant fine gel particle as a profile control agent as well as a preparation method and an application of the fine gel particle. The preparation method of the fine gel particle comprises the following steps of firstly, adding modified starch, a monomer A, a monomer B, a crosslinking agent, an initiator and an accelerant into a reaction kettle according to a certain ratio; and after finishing the polymerization reaction of the six components to form integrated water-based gel, drying, crushing, granulating, screening and performing other process steps to obtain the fine gel particle. The application method of the high-temperature-resistant and high-salt-resistant fine gel particle is as follows: a certain quantity of fine gel particles prepared by using the preparation method are added into a Bingham fluid, the gel particles can be stably suspended without settling under static and dynamic conditions, and then, the whole fluid is injected to the stratum by means of pumping pressure. By using the high-temperature-resistant and high-salt-resistant fine gel particle and the application method thereof, disclosed by the invention, the construction success rate of the gel particle can be greatly increased, and a favorable deep profile control effect can be achieved.

The invention provides an antibacterial material and a preparation method thereof. The antibacterial material is characterized by comprising a polymer matrix in which silver-loaded non-metallic mesoporous materials are scattered. The preparation method of the antibacterial material includes the steps that the silver-loaded non-metallic mesoporous materials are prepared; the silver-loaded non-metallic mesoporous materials and raw materials containing polymer monomers are subjected to in-situ polymerization and direct spinning of melt or polymerized products are subjected to blended spinning so that antibacterial fibers containing the silver-loaded non-metallic mesoporous materials can be prepared; or the silver-loaded non-metallic mesoporous materials and polymer materials are blended and pelletized, and the antibacterial fibers containing the silver-loaded non-metallic mesoporous materials are prepared through melt spinning. The material has a lasting antibacterial effect.

The invention provides an efficient and lasting antibacterial polyamide fiber based on silver-loaded zirconium phosphate and a preparation method thereof. The efficient and lasting antibacterial polyamide fiber based on the silver-loaded zirconium phosphate is characterized in that the fiber comprises a polyamide matrix, and silver-loaded zirconium phosphate powder is dispersed in the polyamide matrix. The preparation method includes the steps that first, the zirconium phosphate powder and a poly sulfhydryl compound are dispersed in organic solvent; then silver nitrate is added to be stirred for 12-24 hours, the organic solvent is removed through the spray drying process, the obtained powder is placed in the environment of 800-1200 DEG C to be calcined for 1-6 hours, and accordingly silver-loaded zirconium phosphate nano-powder is obtained; second, the silver-loaded zirconium phosphate nano-powder and polyamide resin are pelleted through a double-screw pelletizer, so that a polyamide master batch with the antibacterial function is obtained; third, the polyamide master batch with the antibacterial function and the polyamide resin are subjected to melt spinning, and thus the antibacterial polyamide fiber based on the silver-loaded zirconium phosphate is prepared. The antibacterial polyamide fiber has the advantages of being efficient and lasting in antibacterial action.

The invention discloses a hydrophilic modification method of a PVDF multihole film, relates to a film modification method, belongs to the field of multihole film modifying, and aims at solving the technical problems that the PVDF multihole film is high in hydrophobicity, the driving force needed in the separating process is large, the water flux is low, and the PVDF multihole film is contaminated easily in the using process. The hydrophilic modification method comprises the following steps that a solution with the mass concentration of 2-acrylamide-2-methyl propanesulfonic acid ranging from 20 percent to 40 percent is prepared, methyl methacrylate and azodiisobutyronitrile are added to the solution, and a reaction system is obtained; the reaction system is heated, reduced pressure distillation is carried out, the reaction system is poured into precipitator, precipitate is obtained and dried, and copolymer is obtained; the copolymer, polyvinylidene fluoride and polyvinylpyrrolidone are added to dimethylformamide to be stirred and cooled to the indoor temperature, the mixture is subjected to standing, and casting film liquid is obtained; the casting film liquid is poured to a glass plate on a film laying machine for film laying, the casting film liquid is dried, and then the PVDF multihole film is obtained. The modified PVDF multihole film is high in hydrophilia.

The invention provides high-strength anti-cracking environment-friendly concrete and a preparation process thereof. The recycled concrete is prepared from the following components in parts by mass: 350 to 480 parts of PC42.5 cement, 50 to 150 parts of fly ash, 450 to 600 parts of recycled lightweight aggregate, 120 to 180 parts of coated sponge iron, 5 to 20 parts of fluorocarbon modified polyacrylamide copolymer, 40 to 70 parts of sodium bicarbonate, 60 to 120 parts of polyphenyl granules, 1 to 2.5 parts of polycarboxylic acid water reducing agent and 160 to 250 parts of mixing water, wherein the recycled lightweight aggregate comprises waste ceramsite concrete blocks and waste rock wool boards, and the coated sponge iron comprises sponge iron, borax, a polyvinyl alcohol solution and rice husks; through optimization of raw material selection and matching and application of the recycled aggregate, the concrete is green and environment-friendly, prefabricated activation components are specifically arranged, the synergistic effect, high strength, crack resistance and mechanical properties are obviously improved, the performance is lasting and stable, and the method is worthy of popularization and application.

This invention discloses a high density polyethylene drainage protection plate and its manufacturing method. Sealing excrescent shell is pressed out on high density geomembrane to form a kind of film and shell continuous, and stereo space board. The geomembrane components is that high density polyethylene, flexibilizer, polyethylene wax processing agent, carbon black agglomerate, antioxidant and organic tin stabilizer, the weight percent is that high density polyethylene 85-90%, low density polyethylene 5-10%, polyethylene wax processing agent 0.3-0.5%, carbon black agglomerate 1-1.5%, antioxidant 0.5-1.0%, organic tin stabilizer 1.5-2%. The preparation method is materials mixed by high and low speed mixer, double screws extruder extrusion, pelleting single screw extruder extrusion, filtering mould shaping cooling, and mould pressing. Water source can be drained immediately by this invention.

The invention discloses a PET (polyethylene terephthalate) antistatic protective film. The protective film comprises a PET release film, an adhesive layer and a PET substrate, wherein an antistatic finish layer is arranged on one side of the PET substrate and is a PET polyester film; and the antistatic finish layer is fit with the PET release film via the adhesive layer. The protective film has the beneficial effects that the surface of the protective film is free from static material transfer; and the protective film has the functions of preventing dust and impurity adsorption and preventing static damages, improves the antistatic effect, enables the product performances to be durable and stable and can simultaneously achieve antistatic, adhesive-residue-free, repeated paste, ultrastrong antifouling and high transmittance effects.

The invention discloses a high-performance iron-doped nickel- or cobalt-based amorphous oxyhydroxide catalyst prepared by a room temperature method, and a research thereof on high-efficiency hydrogen production by electrolyzing water, and belongs to the technical field of hydrogen production by electro-catalytic materials. According to the technical scheme, FeCl3. 6H2O and ethyl alcohol are mixed to form a precursor solution to conduct surface slow corrosion on conductive substrates such as foamed nickel and cobalt produced in a macro-scale mode, and a nickel-iron or cobalt-iron oxide catalyst grows on the surfaces of the conductive substrates in situ. A chemical reduction reaction is creatively introduced, and the excellent oxygen evolution catalyst is obtained on a commercial metal conductive substrate by utilizing chemical corrosion at room temperature. According to the unique material synthesis path, the non-noble metal cobalt or nickel-based oxygen evolution catalyst shows excellent oxygen evolution activity in an alkaline environment after in-situ iron doping, the overpotential is reduced to about 280 millivolts at the large current degree of 500 mA / cm<2>, the operation is stable in the large-current environment of 1.5 A / cm<2> or above, and the catalyst is suitable for industrial large-scale application and has wide application prospects. And the hydrogen fuel automobile and hydrogen energy industry in China is assisted.

The invention relates to the technical field of membrane preparation and concretely relates to a method for a hydrophilic charged ultrafiltration membrane by blending with an AM-AMPS copolymer. The method comprises the following steps of preparing an AM-AMPS copolymer, blending the AM-AMPS copolymer as an additive and a membrane preparation material to obtain a membrane formation liquid, and preparing the ultrafiltration membrane blended with the AM-AMPS copolymer by a nonsolvent-induced phase separation method. Through blending, the AM-AMPS copolymer is introduced, a use amount, hydrophily and charge properties of the AM-AMPS copolymer can be controlled easily, and the AM-AMPS copolymer is not lost in use and has permanent hydrophily and charge properties. The method has simple processes, can be realized easily, has a low cost, realizes large scale application and is especially suitable for filtration and treatment on oil field three mining waste water containing an acrylamide polymer as a main pollutant.

The invention belongs to the field of a composite material, and particularly relates to conducting concrete using polyaniline as a conducting phase and a preparation method thereof. The conducting concrete using polyaniline as the conducting phase is prepared from the following ingredients in parts by weight: 100 to 200 parts of cement, 100 to 200 parts of sand, 15 to 150 parts of conducting polyaniline, 0.15 to 1.5 parts of dispersing agents and 50 to 200 parts of water. The preparation method is simple. Firstly, the conducting polyaniline, the dispersing agent and the water are mixed according to the weight parts; then, the ball milling dispersion is performed; next, all dispersing liquid is sufficiently stirred and mixed with the weight parts of cement and sand; next, the mixture is poured into a template; the processes of mold dismounting, maintaining, drying and the like are performed; finally, the conducting concrete using polyaniline as the conducting phase is obtained. The conducting concrete using polyaniline as the conducting phase prepared by the method and the raw material proportion provided by the invention has the advantages that the electric resistivity can be reduced to 69.0 ohm.cm; the voltage withstanding intensity can reach 35.7MPa; the conducting concrete is completely applicable to industrial production.

The invention relates to a formula and processing technique for a composite material product, in particular to a formula and processing technique of a novel halogenide-cumming resistant magnesite greenhouse skeleton. The formula is characterized by comprising the following components in percentage by weight: 58 percent of craft-level magnesium oxide of which the content of magnesium oxide is 85 percent, 21.6 percent of craft-level magnesium chloride of which the content of magnesium chloride is 56 percent, 2 percent of polyvinyl alcohol, 0.6 to 1.6 percent of organic silicon water repellent, proper amount of 5-mesh-below fiberglass roving, and 17.5 percent of water. The complex formula and the technique of using the organic silicon water repellent to replace magnesium sulfate to realize hygroscopic absorption and inhibit the halogenide-cumming of magnesite products are adopted, so the process is simplified and the cost is lowered. The organic silicon water repellent can form a fine water repellent film on the surfaces of pores in the magnesite product, the inner surfaces of capillaries of magnesite product and the surfaces of the magnesite products. The film can also react with carbon dioxide in air to form a carbonizing film with stronger hydrophobic property.

The invention provides an efficient and lasting antibacterial polyamide fiber based on silver-loaded zirconium phosphate and a preparation method thereof. The efficient and lasting antibacterial polyamide fiber based on the silver-loaded zirconium phosphate is characterized in that the fiber comprises a polyamide matrix, and silver-loaded zirconium phosphate powder is dispersed in the polyamide matrix. The preparation method includes the steps that first, the zirconium phosphate powder and a poly sulfhydryl compound are dispersed in organic solvent; then silver nitrate is added to be stirred for 12-24 hours, the organic solvent is removed through the spray drying process, the obtained powder is placed in the environment of 800-1200 DEG C to be calcined for 1-6 hours, and accordingly silver-loaded zirconium phosphate nano-powder is obtained; second, the silver-loaded zirconium phosphate nano-powder and polyamide resin are pelleted through a double-screw pelletizer, so that a polyamide master batch with the antibacterial function is obtained; third, the polyamide master batch with the antibacterial function and the polyamide resin are subjected to melt spinning, and thus the antibacterial polyamide fiber based on the silver-loaded zirconium phosphate is prepared. The antibacterial polyamide fiber has the advantages of being efficient and lasting in antibacterial action.

The invention provides a multi-component triblock fluorosilicone copolymer with a sequence structure. The multi-component triblock fluorosilicone copolymer has extremely low surface energy, and can beused as an electronic protective agent to coat and modify various electronic components such as printed circuit boards, resistors, capacitors, sensors, display screens, touch screens and the like. Therefore, the multi-component triblock fluorosilicone copolymer has a waterproof effect in a humid environment, and the functional damage caused by water is avoided. According to the invention, trithioester is used as an RAFT reagent; a triblock fluorine-silicon copolymer with a sequence structure can be formed; the fluorine-containing hydrophobic and oleophobic coating has an ordered and controllable structure, can generate a surface micro-phase separation behavior in a film forming process, forms a gradient structure, promotes the enrichment of fluorine-containing chain segments on the surface, remarkably improves the surface hydrophobic and oleophobic properties of the material under the condition of low fluorine content, can improve the adhesive force between the coating and a base material, and has the effect of remarkably improving the comprehensive properties of the coating.

The invention relates to a medicament for prolonging the coal ignition period of a coal-type coal pile capable of quite easily achieving autoignition. The medicament comprises the following raw materials of a high-molecular material copolymer, an anionic polymer material, a bipolar and complexing high-molecular material, a cross-linking agent, a plasticizer and a silane coupling agent. According to the medicament, the medicament is attached to the surfaces of coal particles by stirring and spraying, and the medicament enters a stabilization period after 3-4 hours at the normal temperature, deposition is formed on the surfaces of the coal particles, the deposition layer can smoothly pass through the water vapor, meanwhile, the contact between oxygen and coal can be blocked, and the oxidation reaction of the coal, the sulfide in the coal and the like is prevented, so that the heating process of the coal is kept at 80 DEG C or below, the water can be continuously evaporated, but the temperature of the coal cannot be continuously increased due to oxidation of the carbon and other compounds, the temperature is reduced as less and less water is evaporated, and the ignition period of thecoal which easily achieves the autoignition is effectively prolonged.

The invention relates to a food preservative and a preparation method thereof. The food preservative comprises chlorine dioxide aqueous solution with the concentration of 50mg / L-500mg / L, pH regulator dissolving in the aqueous solution and metallic chlorite, wherein, the pH regulator can control the aqueous solution to keep acidity; and the contents of the pH regulator and the metallic chlorite are enough to ensure that the amount of chlorine dioxide generated by reaction of hydrogen ions slowly released by the metallic chlorite and the pH regulator approximates to the amount of chlorine dioxide volatilized gradually in the aqueous solution in more than one year. The food preservative has simple components, can be directly applied in no need of adding activating agent, mainly takes molecular chlorine dioxide as an effective component, and has excellent disinfection performance and the like, stable and permanent performance, and is safe and non-toxic; and meanwhile, the food preservative has simple preparation process and low cost, can be used as a broad-spectrum and long-acting product capable of safely disinfecting, refreshing and deodorizing, and can be widely used in various fields.

The invention discloses a preparation method and application of a visible light catalysis antibacterial material cuprous oxide / ZIF-8 heterojunction, ZIF-8 is taken as a substrate, Cu2O is loaded on the surface of the ZIF-8 in situ by adding copper salt, a surfactant, sodium hydroxide, a reducing agent and the like, and the Cu2O / ZIF-8 heterojunction photocatalysis antibacterial material with the Cu2O coating the ZIF-8 is constructed. The construction of the Cu2O / ZIF-8 heterojunction stabilizes the structures of ZIF-8 and Cu2O on one hand, and promotes the generation of ROS (reactive oxygen species) through heterojunction interface electron migration under the excitation of indoor visible light on the other hand, so that microorganisms such as bacteria and the like die quickly. An antibacterial test shows that the sterilizing rate of the low-concentration Cu2O / ZIF-8 heterojunction (5 [mu] g mL <-1 >) on escherichia coli can reach 99% or above in 15 min under a fluorescent lamp (fluorescent lamp, 13W) with weak light intensity.

The invention discloses a compound medical dressing and a preparation method thereof, belonging to the field of compound medical dressings. The compound medical dressing comprises bacterial cellulose membranes, collagens and crosslinking agents, wherein the collagens are crosslinked on the bacterial cellulose membranes via the crosslinking agents. The preparation method comprises the steps of adding the purified bacterial cellulose membranes to a collagen solution containing the crosslinking agents and enabling the bacterial cellulose membranes and the collagens to carry out crosslinking reaction, thus obtaining the compound medical dressing. The loads of the collagens on the bacterial cellulose membranes and the loading stability of the collagens are improved by using the crosslinking agents, so that the properties of the prepared compound medical dressing are more lasting and stable. The method is simple, is easy to operate and has relatively high practicability.

The antistatic paint is prepared with resin varnish 100(in weight portions, the same below), high structure carbon black 5-40 and preferably 20-25, solvent 15-50, and coupling agent 0.1-0.3. The resin varnish is acrylate, epoxy resin, polyester or polyurethane. The production process includes stoving carbon black at 60-100 deg.c, spraying carbon black with coupling agent, adding carbon blac, resin and solvent successively into container while stirring, and ball milling. The paint of the present invention has the same antistatic effect as antistatic plastic but much less consumption and thus much lower cost, and has no influence on the other performance, such as mechanical performance, of the painted body.

The invention discloses a high-temperature-resistant and high-salt-resistant fine gel particle as a profile control agent as well as a preparation method and an application of the fine gel particle. The preparation method of the fine gel particle comprises the following steps of firstly, adding modified starch, a monomer A, a monomer B, a crosslinking agent, an initiator and an accelerant into a reaction kettle according to a certain ratio; and after finishing the polymerization reaction of the six components to form integrated water-based gel, drying, crushing, granulating, screening and performing other process steps to obtain the fine gel particle. The application method of the high-temperature-resistant and high-salt-resistant fine gel particle is as follows: a certain quantity of fine gel particles prepared by using the preparation method are added into a Bingham fluid, the gel particles can be stably suspended without settling under static and dynamic conditions, and then, the whole fluid is injected to the stratum by means of pumping pressure. By using the high-temperature-resistant and high-salt-resistant fine gel particle and the application method thereof, disclosed by the invention, the construction success rate of the gel particle can be greatly increased, and a favorable deep profile control effect can be achieved.

The invention relates to a novel suspension type thermal insulation soundproof system for a wall. The system comprises keels, spray coating filling type thermal insulation bodies and a decoration plate, wherein the keels are arranged between the spray coating filling type thermal insulation bodies and the decoration plate, and the spray coating filling type thermal insulation bodies are filled among the wall, the keels and the decoration plate in a spray coating manner. Compared with the prior art, the novel suspension type thermal insulation sound-proof system has the advantages of high thermal insulation and heat insulating property, excellent fireproof performance, good soundproof effect, stability, easiness in construction and the like.

The invention provides a polyamide film layer composite reverse osmosis membrane and its preparation method and application. First, an ultra-thin metal-organic framework CuBDC nanosheet with amphiphilic properties is prepared and placed on the water / oil two-phase interface. Among them, the water phase is an aqueous solution of m-phenylenediamine, and the oil phase is n-hexane. After the n-hexane is completely volatilized, the n-hexane solution containing trimesoyl chloride is slowly added to the interface to react to form a modified polyamide film layer. The thin film is carefully placed on the base of the ultrafiltration membrane to prepare a polyamide thin-layer composite reverse osmosis membrane. The intrinsic thickness of the polyamide film formed on the CuBDC-assisted free interface is about 5nm. The ultra-thin metal-organic framework nanosheets provide directionality for the thermal diffusion of the interfacial polymerization reaction, strengthen the intensity of the interfacial polymerization reaction, and improve the oil transfer of m-phenylenediamine. The rate of diffusion in the phase direction increases the surface area and cross-linking degree while forming an ultra-thin polyamide film, and greatly improves the flux and salt interception rate of the film.

The invention discloses a constant-volume inflation and deflation measuring device for an SF6 gas chamber, belongs to the technical field of SF6 equipment, and solves the problem of how to design a device capable of accurately measuring the volume of gas in the SF6 gas chamber when the pressure in the SF6 gas chamber is low or high. When the pressure in the SF6 gas chamber is too high, deflation measurement is carried out, and when the pressure in the SF6 gas chamber is too low, inflation measurement is carried out. The measuring device cannot measure the pressure in the SF6 gas chamber undertwo conditions at the same time, and the application range is wide. The constant-volume inflation and deflation tank is adopted to replace a weighing device, temperature and pressure measurement underdifferent conditions is achieved through a temperature sensor, a pressure sensor and a control valve set, the weighing device does not need to be carried to the site to weigh a gas steel cylinder, and the device is simple in structure and convenient to install.

The invention discloses a compound medical dressing and a preparation method thereof, belonging to the field of compound medical dressings. The compound medical dressing comprises bacterial cellulose membranes, chitosan and crosslinking agents, wherein the chitosan is crosslinked on the bacterial cellulose membranes via the crosslinking agents. The preparation method comprises the steps of adding the purified bacterial cellulose membranes to a chitosan solution containing the crosslinking agents and enabling the bacterial cellulose membranes and the chitosan to carry out crosslinking reaction, thus obtaining the compound medical dressing. The loads of the chitosan on the bacterial cellulose membranes and the loading stability of the chitosan are improved by using the crosslinking agents, so that the properties of the prepared compound medical dressing are more lasting and stable. The method is simple, is easy to operate and has relatively high practicability.

The invention discloses a PET three-layer scratch resistant protective film. The PET three-layer scratch resistant protective film comprises a protective layer, a use layer and a release layer, and the three layers are orderly bonded. The protective layer comprises a PET raw film and a silica gel layer. The use layer comprises a hardened coating, a PET raw film and a silica gel layer. The release layer comprises a PET raw film. The hardened coating of the use layer is bonded to the silica gel layer of the protective layer. The silica gel layer of the use layer is bonded to the PET raw film of the release layer. The PET three-layer scratch resistant protective film has hardened layer hardness greater than or equal to 5H, can resist friction of steel wool 0000#, has obvious scratch resistance, can effectively protect a screen, has light transmittance of 93% and has lasting and stable use effects and performances. The PET three-layer scratch resistant protective film has a service life 2-3 times that of a common hardened protective film in the market.

The invention provides a soil remediation agent, comprising, by weight, 30-40 parts of ferrous fumarate based ionic organic fertilizer, 5-10 parts of activated sludge, 1-5 parts of starch modified graphene oxide, 2-8 parts of cocoanut active charcoal and 1-5 parts of bamboo leaf powder. The invention further discloses a preparation method and application method of the soil remediation agent, whichare simple, easy to operate, safe and environmental friendly and good in soil remediation effect.

The invention discloses a preparation method and an application method of a single-component annulus plugging agent. The single-component annulus plugging agent comprises the following components: 100parts by weight of epoxy resin, 15-20 parts by weight of a curing agent, 10-20 parts by weight of a diluent, 0-50 parts by weight of a filler and 0-1.5 parts by weight of a coupling agent. The preparation method comprises the steps: preparing according to a formula, and uniformly stirring. The application method comprises the steps: injecting a plugging agent into the annulus of a casing pipe ina cementing truck pumping manner, settling to a leakage channel under the action of positive pressure difference and gravity, and crosslinking and curing under the high-temperature condition of the leakage channel in a well to form a plugging effect with good sealing property, strong differential pressure resistance and lasting and stable performance. The plugging agent not only can be stably settled and cured in an annulus protection liquid, but also is adjustable in viscosity density and curing temperature, and is suitable for leakage plugging in different well bottom environments. And a single-component system can be prepared, so that field operation is facilitated.

The invention provides a lithium manganate storage battery special for hybrid vehicles. A positive electrode material comprises a lithium manganate-containing positive active substance, a conductive agent accounting for 5-15% of the mass of the positive active substance, and an N-methylpyrrolidinone dissolved binder accounting for 5-10% of the mass of the positive active substance. A negative electrode material is composed of 85-95% of a negative active substance, 3-10% of a conductive agent and 2-10% of the N-methylpyrrolidinone dissolved binder. The positive active substance is a mixture of layered lithium manganate and more than one of lithium cobaltate, spinel type lithium manganate and lithium iron phosphate in a mass ratio of 1-2:0-1; the negative electrode material is mixture of more than one of natural graphite, artificial graphite, mesocarbon microbeads, hard carbon, lithium titanate, tin-based alloy and silicon-based alloy. The lithium manganate storage battery special for hybrid vehicles provided by the invention makes full use of the superiorities of the lithium manganate positive electrode material and polymer li-ion batteries, and has the advantages of smaller volume, lighter weight, longer life, better high temperature resistance, easier maintenance, more stable performance, and more environmental protection, etc.