2475 results about "Sulfonate" patented technology

The preparation method comprises the following steps: S1, mixing a hydrochloric acid solution with organic sodium sulfonate, then adding aniline and water, stirring and dissolving, then adding an oxidizing agent to carry out doping reaction, and carrying out suction filtration, washing, drying and grinding on a reaction product to obtain sodium-modified polyaniline; s2, uniformly mixing a negative electrode active material, a conductive agent and polytetrafluoroethylene, and then adding sodium polyaniline and an organic sodium supplement agent in a nitrogen or inert atmosphere for fibration treatment to obtain fibration powder; and S3, performing hot pressing on the fiberized powder onto the current collector to obtain the lithium ion battery. The prepared pre-sodium-modified negative electrode dry-method electrode has relatively good peeling strength and pole piece flexibility, and the condition that a traditional wet-method thick electrode is easy to crack is relieved; meanwhile, the dry-method electrode subjected to sodium modification treatment can induce uniform deposition of sodium ions, so that the dynamic performance of the whole sodium battery is improved, the problem of cyclic sodium precipitation is avoided, and the service life of the battery is further prolonged.

The invention relates to the technical field of preparation of surfactants, in particular to a PPO / PEO block Gemini ductile surfactant suitable for high-temperature and high-salt oil reservoirs and a preparation method of the PPO / PEO block Gemini ductile surfactant. The preparation method comprises the following steps: by taking fatty alcohol as an initial raw material, carrying out gradual addition on the fatty alcohol, propylene oxide (PO) and ethylene oxide (EO) through a potassium hydroxide / 18-crown ether-6 catalytic system to prepare an APOnEOm intermediate; the preparation method comprises the following steps: carrying out esterification with a polyethylene glycol bismaleate connecting group, and finally sulfonating with sodium hydrogen sulfite to obtain polyethylene glycol bismaleate diester sodium sulfonate (T-APOnEOm-S). By regulating and controlling the PPO / PEO block ratio, the product has excellent temperature resistance and salt resistance, is suitable for high-temperature and high-salt oil reservoirs, has strong emulsifying capacity, can reduce the oil-water interfacial tension to 10 <-3 > mN / m level, and remarkably improves the oil recovery rate. The preparation process is mild in condition and adjustable in product performance, and has important application value in the field of tertiary oil recovery.

The invention relates to the field of agricultural microbial preparations, in particular to a complex microbial inoculant sustained-release granule for preventing and treating sweet potato stem nematode disease and a preparation method of the complex microbial inoculant sustained-release granule. Comprising the following components in parts by weight: 15-25 parts of paecilomyces lilacinus viable bacterium powder, 10-20 parts of bacillus thuringiensis viable bacterium powder, 10-20 parts of streptomyces viable bacterium powder, 5-15 parts of bacillus subtilis viable bacterium powder, 15-25 parts of charcoal, 5-15 parts of sodium alginate, 5-15 parts of humic acid, 5-10 parts of chitosan, 3-8 parts of calcium silicate, 1-5 parts of mannitol and 1-5 parts of sodium lignin sulfonate. Four microorganisms with complementary functions, namely paecilomyces lilacinus, bacillus thuringiensis, streptomycete and bacillus subtilis, are adopted, the sweet potato stem nematode disease is synergistically controlled through multiple action mechanisms, and the control effect and the stability are remarkably improved.

The invention relates to a phosphorus-free zinc-free seawater special-purpose scale and corrosion inhibitor, which comprises, by weight, 20-25% of sulfonic acid modified polyaspartic acid, 8-12% of quaternized chitosan, 5-10% of a sulfonate copolymer, 5-10% of polyepoxysuccinic acid, 1-3% of benzotriazole or methyl benzotriazole, 0.5-1% of sodium tungstate, and the balance of deionized water. According to the formula, traditional corrosion inhibitors such as phosphorus and zinc are completely abandoned, functions are achieved through natural polymer derivatives such as sulfonic acid modified polyaspartic acid and quaternized chitosan, and the scale and corrosion inhibitor has the following environmental protection advantages that the scale and corrosion inhibitor does not contain phosphorus and zinc elements at all, and water eutrophication and heavy metal accumulation caused by a traditional phosphorus and zinc formula are avoided.

The invention provides weather-resistant anti-freezing road concrete and a preparation method thereof, and belongs to the technical field of concrete. The concrete comprises the following components: sulphoaluminate cement, Portland cement, silica fume, fly ash, modified granite gravel coarse aggregate, medium sand fine aggregate, silica fume blended fiber, silica fume blended polyacrylonitrile fiber, a composite air entraining agent, a functional modifier, a composite antifreeze agent, pre-absorbent zeolite powder and the like. The preparation method comprises the following steps: modifying granite macadam with Al (H2PO4) 3, SiO2 and methoxypolyethylene glycol triethoxysilane, and modifying with a lithium silicate aqueous solution to obtain the modified granite macadam coarse aggregate. The composite air entraining agent comprises a JRY-Q air entraining agent and sodium alpha-olefin sulfonate. The functional modifier is prepared from gas phase method spherical nano silicon dioxide and nano alpha-Al2O3. The composite antifreeze agent comprises ethylene glycol butyl ether acetate and modified calcium carbonate. The modified calcium carbonate is obtained by sequentially modifying nano calcium carbonate with calcium chloride, a KH-550 silane coupling agent and stearic acid.

The invention belongs to the field of hydrometallurgy, and particularly discloses a high-purity vanadium oxide electrode and a preparation method thereof. The method comprises the following steps: pre-treating the alkaline vanadium leaching solution by using an activated aluminum oxide adsorption column to obtain a pre-treated solution; adding a composite impurity removal agent taking modified lignosulfonate as a main agent into the pretreatment liquid for primary impurity removal to obtain primary impurity-removed filtrate; adding a calcium hydroxide suspension and a flocculating agent into the primary impurity-removed filtrate for secondary impurity removal to obtain secondary impurity-removed filtrate; purifying the secondary impurity-removed filtrate by using an ion exchange column to obtain a purified solution; ammonium salt is added into the purified liquid for vanadium precipitation, and ammonium metavanadate crystals are obtained; calcining the ammonium metavanadate crystal to obtain high-purity vanadium pentoxide; and preparing the high-purity vanadium oxide electrode by using the high-purity vanadium pentoxide. According to the scheme, the high-purity vanadium pentoxide is prepared by taking the alkaline vanadium leaching solution as a raw material through a multi-stage deep impurity removal process, and the high-purity vanadium oxide electrode is prepared by taking the alkaline vanadium leaching solution as the raw material.

The invention discloses an artificial SEI material and a preparation method thereof, an artificial SEI film and an artificial SEI film modified negative electrode. The artificial SEI material is an organic polymer brush (CNF-g-PSSX) prepared by grafting cellulose nanofibers with polystyrene sulfonate. The polymer brush is of a crystal structure and has a firm framework; and the side chain of polystyrene sulfonate has rich-SO3 functional groups which are matched with cations in sulfonate, so that a rapid ion transmission channel is provided, high-current-density circulation can be realized, and good interface contact is ensured. Due to a special molecular topological structure and a multi-component synergistic effect, when the organic polymer brush forms an artificial SEI film, high mechanical strength, high ionic conductivity and low interface impedance can be obtained at the same time, and through strong electrostatic repulsion between a negatively charged-SO3 group and the surface of a negatively charged lithium dendrite tip, the electrochemical performance of the artificial SEI film is improved. An obvious inhibition effect is shown on the continuous growth of dendritic crystals.

The invention relates to a waste photovoltaic panel recycling method which comprises the following steps: crushing a waste photovoltaic panel until the size of the waste photovoltaic panel is 80-160 meshes, and preparing powder; carrying out acid leaching treatment on the powder, and respectively collecting a leaching solution and a solid material; an acid leaching solution adopted in the acid leaching treatment is a mixed acid aqueous solution of hydrochloric acid and sulfuric acid; the pH of the leachate is adjusted to be neutral with an alkaline agent, then the leachate is mixed with metal iron to be subjected to a replacement reaction, and metal copper is prepared; the solid material is mixed with water, hydrofluoric acid and a flotation agent are added into the obtained mixture for flotation treatment, floats and precipitates are collected respectively, the floats comprise silicon powder, the precipitates comprise glass powder, and the flotation agent comprises one or two of hexadecyl potassium hydrogen phosphate and sodium dodecyl sulfate. According to the recycling method, the silicon powder, the glass powder and the metal copper can be comprehensively recycled from the waste photovoltaic panel.

The invention discloses a high-initial-efficiency fast-charge graphite composite material and a preparation method thereof, the composite material is of a core-shell structure, the core is graphite, and the shell is lithium sulfonate / lithium molybdate and an amorphous carbon coating layer thereof; the mass ratio of the shell is 5-15 wt% according to the mass ratio of the composite material being 100%. The preparation method comprises the following steps: adding a molybdenum compound into a solvent to prepare a solution, adding graphite oxide, an inorganic lithium salt and a carbon nanotube conductive solution, reacting for 2-12 hours at the temperature of 50-120 DEG C, filtering, carbonizing filter residues to obtain a lithium molybdate conductive agent coated graphite material, and depositing a lithium sulfonate derivative on the surface of the lithium molybdate conductive agent coated graphite material by an atomization method to obtain the lithium molybdate conductive agent coated graphite material. The electron and ion conductivity of the material can be improved, and the rate and the first efficiency of the material can be improved.

The invention relates to the technical field of PC transparent flame-retardant toughening modification, in particular to phenolic hydroxyl-terminated modified polysiloxane with a side chain containing phenyl and sulfonate groups and a preparation method of copolymerized PC. The modified polysiloxane is prepared by the following steps: performing ring opening polymerization on phenol-containing double end sockets and cyclotetrasiloxane to obtain modified polysiloxane containing double bonds and phenyl functional groups, and grafting sulfonate through a thiol-ene click chemical reaction. Diphenyl carbonate, bisphenol A and the modified polysiloxane are used as raw materials, a polysiloxane-PC block copolymer is formed through copolymerization, efficient flame retardance and high transparency are achieved, and meanwhile extremely high low-temperature impact strength is achieved.

The invention provides a thermal response self-ceramization fireproof coating and a preparation method thereof. The thermal response self-ceramization fireproof coating is prepared from the following raw materials in parts by mass: 3 to 10 parts of acrylic monomer, 3 to 10 parts of organic sulfonate, 1 to 4 parts of silane coupling agent, 0.5 to 3 parts of silicate ester, 4 to 6 parts of ceramic precursor, 3 to 6 parts of fluxing agent and 0.05 to 0.4 part of initiator. The fluxing agent comprises a component A and a component B, the component A is one of boric oxide, zinc borate or low-melting-point glass powder, and the component B is one of phosphorus pentoxide and ammonium polyphosphate. The silane coupling agent can be copolymerized with an acrylic monomer to construct a C-C main chain, the C-C main chain and silicate ester are subjected to hydrolytic condensation to form a Si-O-Si three-dimensional network, a chemical cross-linked skeleton is formed, and the chemical cross-linked skeleton can generate silicon dioxide at high temperature to participate in a ceramization reaction; the ceramic precursor and silicate ester can form a strong physical cross-linking effect, so that the fireproof coating with a chemical and physical double-cross-linked network can be formed, and the fireproof coating has excellent mechanical property and machinability at normal temperature.

The invention provides a low-temperature-impact-resistant food packaging material and a preparation method and application thereof.The low-temperature-impact-resistant food packaging material is prepared from, by mass, 100 parts of polylactic acid, 1-10 parts of modified layered double hydroxide and 5-40 parts of hyperbranched polyester; wherein the modified layered double hydroxide is obtained by treating layered double hydroxide with a composite anionic surfactant and then treating the treated layered double hydroxide with an organic cationic compound with a long alkyl chain; the composite anionic surfactant comprises a first anionic surfactant and a second anionic surfactant; wherein the first anionic surfactant comprises sodium dodecyl sulfate; the second anionic surfactant comprises a sulfonate anionic surfactant containing an amido bond and a catechol structure. Through the formula design, the impact toughness of the material at low temperature can be improved while the mechanical property of polylactic acid is maintained, and the material can be suitable for the field of food packaging.

The invention discloses high-performance anti-wear engine lubricating oil as well as a preparation method and application thereof. The high-performance anti-wear engine lubricating oil is prepared from the following raw materials: self-developed lubricating oil base oil, poly-alpha-olefin, zinc dialkyl dithiophosphate, calcium sulfonate, polyisobutylene succinimide, an antioxidant, polymethacrylate, an organic molybdenum complex, a de-foaming agent and a pour point depressant. The preparation method comprises the following steps: 1) synthesizing 9, 10-bis (2-tert-butyl-4-methylphenoxy) trimethylolethane stearate as base oil of the lubricating oil; and 2) mixing the base oil with other assistants to obtain the high-performance anti-wear engine lubricating oil. According to the preparation method, novel-like synthetic ester oil is firstly prepared, a phenol group and a large steric hindrance substituent group are introduced into a polymer, the anti-oxidation function is directly built in base oil molecules, meanwhile, super-strong heat resistance is achieved, and finally the high-performance anti-wear engine lubricating oil is obtained and can be applied to high-end application scenes such as aero-engines or gas turbines.

The invention relates to the technical field of waterproof coiled materials, and provides a macromolecule waterproof coiled material with a hook-and-loop fastener and a preparation method thereof.The macromolecule waterproof coiled material with the hook-and-loop fastener sequentially comprises the hook-and-loop fastener, a macromolecule sheet layer, a blocking layer, an upper gluing waterproof layer, a film-based macromolecule layer, a lower gluing waterproof layer and an anti-sticking layer from top to bottom; the upper adhesive waterproof layer and the lower adhesive waterproof layer are both modified self-adhesive asphalt sizing materials, and the modified self-adhesive asphalt sizing materials comprise asphalt, softening agents, styrene-butadiene-styrene block copolymers, butadiene styrene rubber, butyl rubber, tackifying resin, desulfurized rubber powder, filler and compatilizers. The filler is prepared from the following raw materials: carbon black, silicon dioxide, a silane coupling agent and 5-methylphenol-2-calcium sulfonate; the hook-and-loop fastener is a hook-and-loop fastener, the hook-and-loop fastener comprises a hook-and-loop fastener hook surface layer and a hook-and-loop fastener loop surface layer, and by means of the technical scheme, the problem that in the prior art, the high polymer waterproof roll is low in peel strength is solved.

The invention relates to the technical field of temporary plugging agents, and discloses a water-soluble temporary plugging agent for oil well fracturing and a preparation method thereof. According to the prepared water-soluble temporary plugging agent, sodium lignin sulfonate / graphene oxide serves as a core, then the surface of the core layer is coated with a polyacrylic acid-polyacrylamide copolymer to form a first shell layer, and then the surface of the first shell layer is coated with acrylate modified chitosan to form a second shell layer; the temporary plugging agent is applied to oil well fracturing, not only has excellent plugging performance, dissolving performance and anti-shearing performance, but also can improve the transportation capacity of the temporary plugging agent in the oil well fracturing process.

The invention discloses high-resistance self-extinction waterborne polyurethane resin as well as a preparation method and application thereof, the preparation method comprises the following steps: S1, uniformly mixing polymeric polyol, a catalyst, a carboxylate hydrophilic chain extender and a micromolecule chain extender to obtain a mixed system; s2, diisocyanate is added into the mixed system in the step S1 for a reaction, and an addition product is obtained; s3, after the addition product obtained in the step S2 is cooled to the room temperature, adding an organic solvent, and then adding a neutralizer for neutralization to obtain a waterborne polyurethane prepolymer; s4, a sulfonate chain extender is added into the waterborne polyurethane prepolymer prepared in the step S3 for reaction, water is added for emulsification, and waterborne polyurethane emulsion is obtained; and S5, dispersing an amine chain extender with water, adding the dispersed amine chain extender into the waterborne polyurethane emulsion obtained in the step S4, and carrying out a reaction so as to obtain the high-resistance self-extinction waterborne polyurethane resin. According to the preparation method, function integration is realized, the production process is simplified, and the production efficiency is improved.

The invention discloses an amphiphilic imidazole sulfonate ionic liquid, a synthetic method thereof and a solid-state battery, and belongs to the technical field of ionic liquid synthesis. The amphiphilic imidazole sulfonate ionic liquid comprises an acceptable combined salt which is formed by imidazole cations and sulfonic acid anions in pharmacy, and the amphiphilic imidazole sulfonate ionic liquid has an ionic conduction characteristic in a solution or solid state; the amphiphilic imidazole sulfonate ionic liquid can be obtained through simple synthesis, and the amphiphilic imidazole sulfonate ionic liquid has good ionic conduction characteristics in a solution or solid state, and is suitable for preparing an electrolyte of a solid-state battery.

The invention discloses a lignin-inorganic oxide composite binder, preparation thereof and application of the lignin-inorganic oxide composite binder in a hard carbon negative electrode. The preparation method comprises the following steps: firstly, carrying out quaternization modification on lignosulfonate to obtain quaternized lignosulfonate, and then utilizing the action of quaternary ammonium and sulfonate of the quaternized lignosulfonate, hydroxyl and inorganic oxyacid radicals of inorganic nano oxide and carboxyl and hydroxyl of sodium carboxymethyl cellulose to prepare the modified lignosulfonate. The lignin-inorganic oxide composite binder with the interpenetrating network structure is formed. According to the binder, sodium carboxymethyl cellulose serves as a hard phase to enhance the mechanical rigidity, quaternized lignosulfonate rich in flexible long chains serves as a soft phase to bear part of loads, and inorganic nano oxide rich in hydroxyl serves as a crosslinking point or physical filler to enhance the structural stability of the binder. Besides, a multi-network structure formed by hydrogen bond crosslinking not only endows the binder with an excellent ion transmission rate, but also helps to enhance the interfacial compatibility of the binder with an ester electrolyte, thereby significantly improving the rate capability and cycle performance of the hard carbon negative electrode.

The invention relates to the technical field of electrolytic copper foil processing, and particularly provides a method for reducing the rough surface roughness of an HVLP copper foil by using a composite additive, which comprises the following steps: step (1): enabling the composite additive to flow into a high-level tank through an additive flow pump, uniformly mixing the composite additive with a copper sulfate electrolyte, and enabling the mixture to flow into a crude foil machine; step (2), then adjusting process parameters of a crude foil machine, including current and line speed of a cathode roller; (3) foil generation and foil drawing are carried out; the composite additive comprises one or two of gelatin and collagen. One or more composite additives composed of gelatin, collagen, sodium dithiodipropane sulfonate, N, N-dimethyl-dithioformamide sodium propanesulfonate, 3-sulfydryl-1-sodium propane sulfonate, hydroxyethyl cellulose and polyethylene glycol are added into the raw foil electrolyte, so that the copper electrodeposition reaction potential can be effectively changed; and uniform and compact copper crystallization peaks are obtained, the rough surface roughness of the raw foil is reduced, and the uniformity of a plating layer is improved.

The invention relates to the technical field of degradable materials, and discloses a water-soluble degradable fiber and a preparation method thereof. The water-soluble degradable fiber disclosed by the invention is prepared by taking polylactic acid as a main matrix, adding modified sodium lignin sulfonate, polyvinyl alcohol and polyethylene wax, blending, carrying out melt extrusion, and carrying out melt spinning. The fiber has water solubility, degradability, sand carrying performance and salt resistance, and has a good application prospect in a fracturing fluid used in a well drilling fracturing process based on the advantages of water solubility, degradability, sand carrying performance and salt resistance.

The embodiment of the invention discloses a preparation method of trifluoromethyl sulfinate. The preparation method comprises the following steps: reacting a trifluoromethyl sulfinyl reagent with an amino compound containing hydroxyl to obtain a trifluoromethyl sulfinate intermediate; and reacting the trifluoromethyl sulfinate intermediate with alkali metal salt in an organic solvent to obtain the trifluoromethyl sulfinate. According to the embodiment of the invention, firstly, the trifluoromethyl sulfinyl reagent reacts with the amino compound containing the hydroxyl group to obtain the trifluoromethyl sulfinate intermediate, and then the trifluoromethyl sulfinate and the alkali metal salt react in the organic solvent, so that the high-purity trifluoromethyl sulfinate can be prepared with high yield under mild conditions. The yield and the purity of the target product are effectively improved, and meanwhile, the production condition requirement and the environmental pollution degree are reduced, so that large-scale production and application are facilitated.

The invention provides anti-erosion hydraulic concrete and a preparation method thereof, and belongs to the technical field of concrete. The concrete comprises the following components: composite cement, high-activity nano-modified metakaolin, blast furnace slag powder, low-calcium fly ash, coarse aggregate, natural river sand fine aggregate, granite machine-made sand fine aggregate, an erosion inhibitor, a functional additive, an early-strength polycarboxylic high-performance water reducer, a composite air entraining agent and the like. The composite cement comprises sulphoaluminate cement, Portland cement and polymer waterproof mortar. The high-activity nano modified metakaolin is obtained by modifying metakaolin with an organic silicon-ZnO composite emulsion and then drying. The erosion inhibitor comprises organic carboxylate, a hydrophobic-crystallization complexing agent and a pH buffer type corrosion inhibitor. The functional auxiliary agent comprises an itaconic acid and acrylic acid copolymer, a JRY-F concrete waterproof agent and polyethylene glycol-400 dilaurate. The composite air entraining agent comprises liquid sodium abietate and sodium alpha-olefin sulfonate. Through component synergism, modification and grading, an anti-erosion barrier is constructed.

The invention relates to the technical field of water treatment, in particular to a nanofiltration membrane integration process for treating leachate of a garbage transfer station and a flocculating agent for a pretreatment section of the nanofiltration membrane integration process. According to the flocculating agent, the efficient composite flocculating agent is generated in situ through the cooperation of the ionic liquid grafted diatomite and the sulfonate modified branched polyamide cross-linked substance and the combination of the aluminum salt and the ferric salt, so that rapid removal of multiple pollutants and enhancement of floc stability are realized, and the follow-up membrane blockage risk is remarkably reduced. According to the process, an innovative pretreatment-graded nanofiltration-deep purification mode is adopted, membrane types of nanofiltration sections are optimized and screened according to pollutant characteristics, flexible combination of molecular step filtration, terminal combined light-Fenton oxidation, compact nanofiltration or reverse osmosis is realized, and efficient reduction of COD (Chemical Oxygen Demand) and salt content and energy consumption control are taken into consideration. The process has the advantages of stable effluent quality, low membrane pollution and greatly reduced medicament and operation cost, adapts to different emission standards, and has significant engineering application value.

The invention relates to the technical field of environmental health risk evaluation, in particular to a method for evaluating the risk of Parkinson's disease induced by environmental pollutants. The method for evaluating the risk of inducing the Parkinson's disease by the environmental pollutants comprises the following steps: carrying out a subacute exposure experiment by taking caenorhabditis elegans as a model organism; observing the transport capacity of the caenorhabditis elegans, observing and counting the abnormal movement ability of the caenorhabditis elegans, and determining the lipofuscin level of the caenorhabditis elegans, the damage degree of dopaminergic neurons, the dopamine level and the expression and aggregation conditions of alpha-synuclein protein, so as to evaluate the risk of the Parkinson's disease induced by environmental pollutants; the environmental pollutant is 6: 2 chlorinated polyfluoroalkyl ether sulfonate. According to the method, the PD toxicity evaluation model is generated by constructing a behavior characteristic and molecular characteristic scheme and combining multi-strain nematode data, and the problem that in the prior art, the risk of inducing PD by environmental pollutants is difficult to comprehensively reveal due to the fact that a single dimension is concerned is solved.

The invention provides a sulfonated modified COF-based hydrogel based on a TPAD skeleton, and a preparation method and application thereof, and belongs to the field of water treatment. The preparation method comprises the following steps: S1, synthesizing a TPAD-NHBoc amino monomer by using reagents such as 1, 4, 5, 8-tetrachloroanthraquinone and the like; s2, sequentially adding a TPAD-NHBoc amino monomer, a Dha aldehyde monomer, dioxane and trifluoroacetic acid into a glass tube according to a certain proportion, carrying out ultrasonic treatment, stirring, putting into a reaction kettle, and reacting at 115-125 DEG C for 96-120 hours; s3, after the reaction is finished and cooling is performed, carefully taking out the blocky gel from the glass tube, respectively immersing the blocky gel into dioxane and DMF, and repeatedly replacing the solvent for washing; s4, washing the gel, soaking the washed gel in a DMF solution containing 1, 3-propane sultone, and carrying out a reaction at 75-85 DEG C for 16-20 h to obtain sulfonated modified gel; s5, the obtained sulfonated modified COF-based gel is soaked in DMF, acetone, methanol and water for multiple times of soaking and washing, and the hydrogel is obtained. The sulfonated modified hydrogel based on the TPAD skeleton has excellent solar photo-thermal water evaporation performance.

The invention belongs to the technical field of high polymer materials, and particularly relates to a lightweight high-strength expandable polystyrene material and a preparation method thereof. The high-temperature-resistant foaming material is prepared from the following components in parts by weight: 90 to 100 parts of styrene, 200 to 250 parts of deionized water, 0.3 to 0.6 part of a dispersing agent, 1.5 to 2.5 parts of a nucleating agent, 0.2 to 0.6 part of an initiator, 0.2 to 0.5 part of a particle size regulator, 4 to 7 parts of a foaming agent and 3 to 6 parts of composite filler, the composite filler is prepared by mixing modified graphene and modified silicon dioxide; the modified graphene is maleic anhydride copolymer sulfonate modified graphene, and the modified silicon dioxide is polydopamine / carboxymethyl cellulose modified silicon dioxide; the water dispersibility and interfacial compatibility of the composite filler are remarkably improved in a physical and chemical grafting manner, and the mechanical property, thermal stability and flame retardance of the polystyrene material are synchronously optimized by utilizing a multi-component synergistic effect.

The invention provides a battery and terminal equipment, the battery comprises a positive electrode, a negative electrode and an electrolyte, the positive electrode comprises a positive electrode current collector and a positive electrode active material layer arranged on the positive electrode current collector, and the positive electrode active material layer comprises a positive electrode active material; the negative electrode comprises a negative electrode current collector and a negative electrode active material layer arranged on the negative electrode current collector, and the negative electrode active material layer comprises a negative electrode active material; the electrolyte comprises electrolyte salt, an organic solvent and a film-forming additive, the film-forming additive comprises fluorocarbonate and sulfonate, the mass content of fluorocarbonate in the electrolyte is a, and the mass content of sulfonate in the electrolyte is b; the negative electrode active material comprises a silicon-carbon compound; the mass ratio of the silicon-carbon compound in the negative electrode active material is c; the battery meets the following relation: a * b / c is more than 0.00465 and less than 0.064. According to the battery and the terminal equipment, the cycle performance of the battery can be improved under the condition that the energy density is not changed.

The invention provides a sulfinate organic positive alkali metal ion supplement for a secondary battery, and relates to the technical field of secondary batteries. The organic positive electrode alkali metal ion supplement has a structure as shown in the following general formula: [R-SO2]-M < + >, wherein M < + > is a metal cation and is selected from at least one of Li < + >, Na < + > and K < + >; [R-SO2]-is a sulfinate anion, and wherein R is an organic group. The supplement compensates irreversible capacity loss by efficiently releasing active ions, so that the energy density of the battery is improved; the oxidation potential is proper, the environmental stability is excellent, and the catalyst is not needed to decompose and easy to process; decomposition products are harmless, an electrode interface can be optimized, and the cycle life of the battery is remarkably prolonged.

The invention relates to the technical field of lubricating oil, in particular to high-temperature-corrosion-resistant lubricating oil and a preparation method thereof. The high-temperature-corrosion-resistant lubricating oil is prepared from the following raw materials in parts by mass: 130 to 190 parts of base oil, 1 to 5 parts of an anti-wear reagent at extreme pressure, 1 to 5 parts of amino modified graphene, 0.1 to 1 part of an anti-rust agent, 1 to 3 parts of an antioxidant, 0.1 to 1 part of a de-foaming agent, 5 to 15 parts of trioctyl trimellitate, 1 to 5 parts of sodium lignin sulfonate and 1 to 5 parts of sodium bentonite. The high temperature resistance and the viscosity-temperature performance of the lubricating oil can meet the use requirements of a bearing under the working conditions of high speed, high temperature and large load, the wear resistance and the friction reduction of the lubricating oil at high temperature are effectively improved, and meanwhile the preparation method is simple and suitable for large-scale popularization and application.

The invention relates to rosin modified resin and a preparation process thereof and low-odor printing ink, the rosin modified resin is prepared from maleic anhydride, sulfonate alkyd resin, rosin and a metal organic framework, and the sulfonate alkyd resin is prepared from neopentyl glycol, dibutyltin dilaurate, m-phthalic acid-5-sodium sulfonate, phthalic anhydride and pentaerythritol. The printing ink has the effect of improving the strength and smell of the printing ink.