126 results about "Lignosulfonates" patented technology

The invention relates to a lead-acid battery negative electrode additive as well as a preparation method and application thereof, and belongs to the technical field of lead-acid storage batteries. The additive consists of sulfonated modified lignosulfonate (component A), a graphene oxide-carbon nanotube hybrid conductive agent (component B) and a mixture of modified humic acid and boric acid (component C) which are respectively used as a crystallization template agent, a conductive network construction agent and an interface film forming regulator. During preparation, a component A is prepared through a sulfomethylation reaction, a component B is prepared through ultrasonic mixing of graphene oxide and a carbon nanotube dispersion liquid, a component C is prepared after humic acid is subjected to acid pickling purification and oxidation treatment and then mixed with boric acid, and finally the three components are mixed to obtain a finished product. The additive is added into the negative electrode lead paste, can inhibit negative electrode sulfation, improve electrode conductivity, reduce hydrogen evolution side reaction and prolong the cycle life and charge-discharge efficiency of the battery, and is suitable for production of various lead-acid batteries.

The invention belongs to the field of drafting rubber rings for spinning, and particularly provides a rubber ring and a preparation method thereof.The rubber ring is characterized by comprising an inner rubber layer, a reinforcing layer and an outer rubber layer which are sequentially compounded from inside to outside; the outer rubber layer is prepared by mixing the following raw materials in parts by weight: 90-100 parts of rubber, 10-20 parts of phenolic resin, 2-3 parts of an anti-aging agent, 2-3 parts of an accelerant, 5-8 parts of sulfur, 2-3 parts of zinc oxide, 0.5-2 parts of stearic acid, 3-5 parts of talcum powder, 2-5 parts of a modified copolymer and 3-5 parts of lignosulfonate; the modified copolymer is a copolymer of sulphobetaine methacrylate and glycidyl methacrylate; the prepared upper rubber ring outer rubber layer is good in drafting spinning stability, and the problem of sticky spots can be solved.

The present application relates to a kind of composite phosphorus-free scale inhibitor and its preparation method, including 800-1200 parts by weight of desalted water, 1-3 parts by weight of modified lignin sulfonate, 2-4 parts by weight of calcium magnesium acetate, 0.5-1.5 parts by weight of azole, 400-600 parts by weight of soluble inorganic zinc salt and 50-150 parts by weight of copolymer A.The composite phosphorus-free scale inhibitor provided by the present application is clear and transparent concentrate, after the above concentrate is added to circulating water, the effective ingredient in it can form soluble chelate with Ca 2+ , Mg 2+ Forming, increase the saturation solubility of ion, hinder micro-fouling lattice formation, distort crystal growth, so that microcrystalline will not accumulate into scale, and can make old scale loose, gradually shed old scale;At the same time, the special corrosion inhibitor and other corrosion inhibitor produce synergistic effect, which can effectively control the pitting of stainless steel, achieve the purpose of preventing scale, and fundamentally reduce the efficiency of corrosion and scale inhibition.

The application provides a high-stability lignosulfonate-containing aqueous dye inkjet ink and a preparation method thereof, and belongs to the technical field of inkjet inks; the application constructs a repairable dynamic network through synergistic action: anchor copolymer functionalizes the surfaces of particles such as mica by using dopamine units, and the main units provide diol reaction sites; the bridging copolymer connects the particles into a three-dimensional structure by forming reversible borate ester chemical bonds with the diol sites through boronic acid groups; the synergistic action of the two suspends the particles through a gel structure during standing, and ensures long-term storage stability; during printing, the network collapses under shear force, and the viscosity sharply decreases to ensure smooth jet flow; after printing, the network self-repairs, and the viscosity is recovered to control droplet spreading, and finally, the unity of high stability and high printing performance is achieved.

The invention relates to the field of pesticide preparations, and discloses a sterilization composition containing tetramycin and Saisentong as well as a preparation method and application of the sterilization composition. Tetramycin and Saisentong serve as active components of the composition, and a dual-structure composite lignin derivative system serves as a functional carrier; the system is composed of high-molecular-weight modified lignosulfonate and specific lignin phenol fragments with low polymerization degree. The high-molecular-weight component forms a physical barrier on the surfaces of active component particles, so that the storage stability and the application safety of the preparation are improved; the low-polymerization-degree component can be degraded by an extracellular enzyme secreted by citrus canker pathogen, so that the targeted release of the active component at the focus is realized. The composition disclosed by the invention effectively reduces the decomposition rate of the active components and the phytotoxicity risk to crops, and meanwhile, the field control effect on the citrus canker is remarkably improved. The composition provides an efficient and safe new choice with a targeting effect for chemical prevention and treatment of citrus canker.

The invention discloses a lignin-based porous adsorption material as well as a preparation method and application thereof, and belongs to the technical field of adsorption material preparation. The preparation method comprises the following steps: grinding and sieving a pore-foaming agent to obtain a pretreated pore-foaming agent; the preparation method comprises the following steps: uniformly mixing lignosulfonate, a pretreatment pore-foaming agent, a cross-linking agent, a catalyst and water, and carrying out a cross-linking reaction to obtain a cross-linked body; and cleaning, dehydrating and drying the cross-linked body to obtain the product. The invention further discloses the lignin-based porous adsorption material prepared by the method and application of the lignin-based porous adsorption material. Compared with a traditional chemical crosslinking curing adsorption material, the lignin-based porous adsorption material has higher specific surface area and functional group utilization rate; the used pore-foaming agent has good water solubility, does not participate in the reaction in the crosslinking process and can be removed to form pores after crosslinking, the porosity and the pore size of the product can be regulated and controlled by adjusting the dosage and the particle size of the pore-foaming agent, and the application prospect is wide.

The invention provides a self-assembled surfactant as well as preparation and application thereof. The preparation method comprises the following steps: adding an anionic surfactant and a nonionic surfactant into a buffer solution, uniformly mixing, and heating until the anionic surfactant and the nonionic surfactant are completely molten, so as to obtain the self-assembled surfactant. Wherein the anionic surfactant is one or more of lignosulfonate, secondary alkyl sulfonate and alpha-olefin sulfonate; the nonionic surfactant is one or more of polyethylene glycol, fatty alcohol-polyoxyethylene ether, polyoxyethylene alkyl ether and polyoxyethylene nonyl phenyl ether. The specific anionic surfactant and the nonionic surfactant are compounded, self-assembly is completed through heating, and the obtained self-assembly surfactant can remarkably improve the enzymolysis efficiency of lignocellulose.

The invention relates to a method of making an acoustic product and a novel acoustic product, wherein the acoustic product is made by adhering a facing to a first major surface of an acoustic insulation element by the use of an adhesive and curing the adhesive. The adhesive is an aqueous adhesive composition which is free of phenol and formaldehyde and comprises:a component (i) in form of one or more lignosulfonate lignins having a carboxylic acid group content of 0.03 to 2.0 mmol / g, such as 0.03 to 1.4 mmol / g, such as 0.075 to 2.0 mmol / g, such as 0.075 to 1.4 mmol / g, based on the dry weight of the lignosulfonate lignins,a component (ii) in form of one or more cross-linkers.

The application discloses a preparation method of modified lignin sulfonate asphalt emulsifier, and application of products and the asphalt emulsifier. The emulsifier is prepared by the following steps: reacting an amine compound with acrylic acid to generate an amide compound, and then reacting the amide compound with sodium lignin sulfonate and formaldehyde in a solvent to generate the emulsifier. The molar ratio of the amine compound to the acrylic acid is 1:1, the amount of the sodium lignin sulfonate is 40% to 60% of the total mass of the amine compound and the acrylic acid, the amount of the formaldehyde is 14% to 26% of the mass of the sodium lignin sulfonate, and the mass ratio of the solvent to the reactants is (1 to 1.2):(1 to 1.2). The preparation method of the modified lignin sulfonate asphalt emulsifier is simple, the production cost is low, the water solubility is good, the surface activity is strong, the modified lignin sulfonate asphalt emulsifier belongs to a slow cracking type asphalt emulsifier, the emulsified asphalt produced by using the modified lignin sulfonate asphalt emulsifier is fine and uniform, the storage stability is excellent, and the modified lignin sulfonate asphalt emulsifier has a good application prospect in asphalt pavement construction.

The invention discloses a lignin-based liquid mulching film as well as a preparation method and application thereof, the liquid mulching film is prepared by taking lignosulfonate as a main raw material, compounding the lignosulfonate with chitosan and polyvinyl alcohol to form a basic solution, then carrying out crosslinking modification by epoxy chloropropane and complexing treatment by tetrakis hydroxymethyl phosphonium chloride, and finally adding nano kaolin and uniformly stirring. When in use, the fertilizer is diluted with water and then sprayed on the surface of soil to form a uniform covering film. According to the invention, a phenylpropane structure of lignosulfonate is fully utilized as a rigid framework of a polymer, and the obtained mulching film has good film-forming property, hydrophobicity and heat preservation and moisture conservation performance through a tackifying effect of chitosan, a toughening effect of polyvinyl alcohol and synergistic modification of the cross-linking agent and the complexing agent. The addition of the nano kaolin further enhances the infrared barrier ability of the mulching film and reduces heat loss at night.

This invention discloses a biomass hot melt adhesive and its preparation method, belonging to the field of environmentally friendly adhesive technology. Addressing the industry pain points of existing biomass hot melt adhesives, such as difficulties in melt processing and the inability to simultaneously achieve both bonding performance and environmental friendliness, this invention uses a modified lignin graft copolymer prepared by a ring-opening grafting reaction of lignin sulfonate with L-lactide and ε-caprolactone as the matrix, compounded with nano-cellulose whiskers, cashew phenol-based plasticizers, composite crosslinking agents, and bio-based antioxidants to construct a fully biomass formulation system. The product is obtained through a solvent-free melt reaction blending process. The product of this invention is completely biodegradable, possesses excellent hot melt processability, bonding strength, water resistance, and storage stability, and the preparation process is green and environmentally friendly, suitable for large-scale industrial production, and can replace traditional petroleum-based hot melt adhesives.

The invention discloses a special compound fertilizer for food crops as well as a preparation method and application thereof, and belongs to the technical field of organic and microbial fertilizers. The compound fertilizer comprises a basic fertilizer and an organic biological fertilizer source, wherein the basic fertilizer is prepared from sulfur coated urea, urea, calcium superphosphate, potassium chloride, sodium metasilicate and oyster shell powder; the organic biological fertilizer source is composed of a vinasse fermentation product, a microbial activity protective agent and lignosulfonate. The vinasse fermented product is prepared by carrying out three-stage solid state fermentation on vinasse by adopting a compound bacterium suspension consisting of mycobacillus halophilus and ocean sediment vesicular bacillus. Through synergistic fermentation of functional strains, compounding of a microbial active protective agent and introduction of a slow-release nitrogen source and stress-resistant components, synergistic interaction of efficient release of nutrients, soil improvement and improvement of crop stress resistance is realized. The compound fertilizer is suitable for grain crops such as wheat and rice, can remarkably improve root activity, yield and stress resistance, and has a wide application prospect.

The application discloses a plant-source bio-growth-promoting synergistic fertilizer and a preparation method thereof. The fertilizer is prepared by compounding plant-source composite growth-promoting substances, a composite microbial flora and a carrier material in a specific mass ratio. The plant-source composite growth-promoting substances are prepared by solid-state fermentation and extraction of gynostemma pentaphyllum, astragalus and acanthopanax. The composite microbial flora contains brazilian nitrogen-fixing spirillum, fluorescent pseudomonas and brevibacillus brevis, and is embedded and fixed by using kappa-carrageenan microcapsules containing biochar nanoparticles. The carrier is lignosulfonate-modified nano-attapulgite. The application also provides a corresponding preparation method. The granular fertilizer is finally prepared through steps of activating the strains by a composite activation solution, embedding by microencapsulation and carrier loading granulation. The fertilizer combines the synergistic effect of plant-source active substances and functional microorganisms, significantly improves the activity of the flora and the field colonization capacity, and can effectively promote plant growth, improve crop yield and quality.

The application relates to the technical field of melamine resin polymer materials, in particular to a high-heat-resistance melamine resin composite material, which comprises a first component and a second component; the first component comprises modified melamine resin prepolymer, crosslinking accelerant, curing agent and first dispersant; the modified melamine resin prepolymer is prepared by modifying melamine resin prepolymer through lignosulfonate and modified nanocellulose whisker; the modified nanocellulose whisker is prepared by modifying nanocellulose whisker through a silane coupling agent; the second component comprises composite reinforcing material; the composite reinforcing material comprises carboxylated carbon nanotube, montmorillonite-graphene hybrid, second dispersant and nucleating agent; the carboxylated carbon nanotube is prepared by reacting carbon nanotube and strong acid; and the montmorillonite-graphene hybrid is prepared by reacting montmorillonite and graphene oxide. The melamine resin is modified by lignosulfonate and modified nanocellulose whisker, and the composite reinforcing material is combined to improve the heat resistance and mechanical properties of the melamine resin by using a gradient curing process.

The invention belongs to the technical field of macromolecules, and particularly relates to rigid semi-interpenetrating network high-salt-tolerance water-absorbent resin as well as preparation and application thereof. In order to provide the salt-tolerant super absorbent resin with both salt tolerance and rigidity, a unique double-sulfonic-group synergistic and rigidity enhanced network structure of the rigid semi-interpenetrating network high-salt-tolerant super absorbent resin is constructed, the product contains sulfonated polyvinyl alcohol (SPVA) and lignosulfonate at the same time, and the molar ratio of sulfonic groups of the SPVA and the lignosulfonate is controlled to be 1: 1-1: 3. Sulfonic acid groups of SPVA are uniformly distributed on a hydrophilic chain and form space and charge complementation with sulfonic acid groups with local high charges of lignosulfonate, so that the salt tolerance is synergistically improved; meanwhile, a linear SPVA chain is used as a physical cross-linking point and forms a reinforced framework together with a rigid aromatic ring structure of lignin, so that the product has high water absorption and high salt tolerance and also has mechanical strength and structural stability which are lacked by traditional resin.

A liquid composition for improving the flowability and / or rheology of a coke slurry solution comprising a lignosulfonate derivative, a surfactant, and one or more synergistic additives, and methods of using the same.

The invention relates to the technical field of pesticides, in particular to a pesticide composition and a preparation method and application thereof. The pesticide composition comprises the following components in percentage by weight: 15-25% of pymetrozine; 5 to 15% of bifenthrin; 10-12% of a wetting dispersant; 0.3%-0.5% of a defoaming agent; 0.6%-1.0% of a suspension stabilizer; 3-5% of an antifreezing agent; 0.1 to 0.3 percent of preservative; 0.1%-0.3% of a thickening agent; 0.2%-0.5% of a pH conditioning agent; and at least 40.4% water; the wetting dispersant comprises polycarboxylate, modified rosin polyether and lignosulfonate. The pesticide composition disclosed by the invention can be uniformly attached to the surface of spinach, is excellent in fast-acting property and durability in field application, and shows a very good prevention and treatment effect on spinach pests.

This invention discloses a conductive lignin-based polyurethane film, its preparation method, and its applications. The preparation method includes: using lignin sulfonate from papermaking waste liquid as raw material, extracting lignin sulfonic acid from it, and efficiently converting it into lignin sulfonic acid polyol under mild conditions; bridging the flexible chain of polyester diol with isocyanate; and introducing supramolecular interaction units containing dynamic disulfide bonds and hydrogen bonds into the LPU matrix to construct a dynamic covalent crosslinking network. Then, conductive materials are added to the film liquid and uniformly mixed, cast to a mold, and cured to form a film, thus obtaining the conductive lignin-based polyurethane film. The preparation method provided by this invention uses inexpensive and readily available raw materials, has high modification efficiency, a simple preparation process, and generates no waste, making it environmentally friendly. The obtained conductive lignin-based polyurethane film can be applied to wearable flexible sensors, exhibiting excellent mechanical properties, heat resistance, conductivity stability, UV shielding, reprocessability, and low cost.

Disclosed in this disclosure are Acid Sulfate Soil (ASS) improvement materials, and preparation methods and application methods thereof. ASS improvement materials include mixed particle improvement materials and microbial improvement materials. The mixed particle improvement materials include natural mineral materials, organic carbon materials, lignosulfonates, silicates, high molecular polymers, shell powder, fish bone powder, and hydrated lime powder; and the microbial improvement materials include Bacillus megaterium, Bacillus subtilis, Bacillus licheniformis, Bacillus amyloliquefaciens, Trichoderma harzianum, yeast, and photosynthetic bacteria.During use, the mixed particle improvement material is evenly distributed in the soil, and is well mixed with the soil through rotary tillage; the microbial improvement material is dissolved in water and added to the irrigated land, the water surface depth is 5-10 cm, the land is continuously soaked for 5-7 days, and then agricultural cultivation activities are carried out after the water level naturally decreases. The ASS improvement material in the present disclosure has the effects of deacidification, maintenance and improvement of fertilizer, and increase in production, and has the characteristics of efficiency, green, environmental friendliness, etc.

The application discloses a preparation method of high-stability water-based graphene slurry and belongs to the technical field of battery slurry, in particular to a preparation method of water-based graphene slurry, which comprises the following steps: carrying out swelling treatment on expandable graphite to obtain expanded graphite, carrying out oxidation treatment on the expanded graphite to obtain oxidized expanded graphite, mixing the oxidized expanded graphite and a dispersant in water to obtain a graphene mixture, and adding a thickening agent into the graphene mixture to obtain the water-based graphene slurry; the dispersant comprises lignin sulfonate and a glycol-based polymer; the mass ratio of the oxidized expanded graphite and the lignin sulfonate is 2-5:0.5-4, and the mass ratio of the oxidized expanded graphite and the glycol-based polymer is 2-5:0.5-4. The application provides a simple graphene slurry preparation process, improves the dispersion stability of the graphene slurry, and improves the long-term storage stability of the slurry.

The invention belongs to the technical field of electrocatalytic materials, and particularly relates to a monatomic electrocatalyst for nitrate electroreduction and a preparation method and application of the monatomic electrocatalyst. According to the electrocatalyst, a conductive material serves as a substrate, polyaniline serves as a carrier for loading metal, metal salt serves as a metal source needed for catalyzing nitrate, lignosulfonate serves as a regulating agent, atomic-scale metal is formed through low-temperature polymerization, normal-temperature soaking and electrocatalytic reduction, and the atomic-scale metal is loaded on the conductive substrate. The prepared electrocatalyst shows a remarkable catalytic effect in preparation of ammonia gas by catalyzing nitrate electroreduction, the content of the ammonia gas reaches 98.37% when a catalytic reaction is carried out for 10648 s under the potential of-0.2 V vs.RHE, and the electrocatalyst shows good stability in the long-term use process.

The application belongs to the technical field of concrete and specifically relates to high-strength long-life marine engineering concrete and a preparation method thereof. The high-strength long-life marine engineering concrete comprises the following components in parts by weight: Portland cement 200-300 parts, fly ash 50-100 parts, mineral powder 50-80 parts, silicon powder 20-50 parts, aggregate 1500-2000 parts, stainless steel fiber 30-40 parts, synergist 5-10 parts, water reducing agent 5-10 parts, and anti-cracking agent 5-10 parts. The synergist comprises aromatic polyamide fiber 50-60%, zirconium oxide 15-30%, anionic surfactant 5-10%, and water 20-30%. The water reducing agent comprises polycarboxylic acid water reducing agent 30-55%, lignin sulfonate 20-30%, film forming agent 5-10%, and water 20-30%. The concrete has improved strength, durability and service life in the marine environment.

The application discloses an environment-friendly anti-freezing reinforcing agent for fly ash autoclaved aerated concrete and a preparation method thereof. The anti-freezing reinforcing agent comprises the following components in percentage by weight: 10-20% of oleic acid amide, 5-10% of triethanolamine, 5-10% of lignosulfonate, and the rest is water. The anti-freezing reinforcing agent for fly ash autoclaved aerated concrete is obtained by compounding oleic acid amide, triethanolamine and lignosulfonate. The anti-freezing reinforcing agent is compatible with the raw material system and autoclaving process of the fly ash autoclaved aerated concrete. Through multiple synergistic effects, the anti-freezing and thawing durability of the fly ash autoclaved aerated concrete is significantly improved, meanwhile, the dry density, compressive strength and other basic performances of the fly ash autoclaved aerated concrete are not negatively affected, and the anti-freezing reinforcing agent is environment-friendly.

The preparation method of the citric acid type-lignosulfonate cationic surfactant comprises the following steps: dissolving epichlorohydrin in a methanol solution with a certain concentration, heating and stirring to a certain temperature, adding an aniline solution with a certain concentration, and constant temperature stirring for a period of time to obtain an epichlorohydrin propyl phenyl ammonium chloride intermediate; dissolving sodium lignosulfonate into a phosphoric acid solution, heating to a certain temperature after dissolving, adding the epichlorohydrin propyl phenyl ammonium chloride intermediate, adding a NaOH solution with a certain concentration dropwise, constant temperature stirring for a certain period of time to obtain a lignin quaternary ammonium ion intermediate; dissolving citric acid into an ethanol solution, adding the lignin quaternary ammonium ion intermediate under a certain stirring speed, constant temperature stirring for a certain period of time to form the citric acid type-lignosulfonate cationic surfactant. The citric acid type-lignosulfonate cationic surfactant has the advantages of sterilization, emulsification and good washing effect.

The invention relates to the technical field of structural adhesives, in particular to a bio-based environment-friendly structural adhesive and a preparation method thereof.The bio-based environment-friendly structural adhesive is prepared from a base material, auxiliaries and an environment-friendly cross-linking agent; the base material is prepared from polylactic acid, soybean protein, an antioxidant and natural rubber; the auxiliaries comprise lignosulfonate, a plasticizer and a bio-based reinforcing material. According to the bio-based environment-friendly structural adhesive, bio-based materials such as the polylactic acid, the soybean protein and the natural rubber are adopted as matrixes, and the specific auxiliaries and the environment-friendly cross-linking agent are combined, so that the balance of high environment friendliness, high bonding performance and good moisture resistance is achieved.

The present application relates to white cement admixture technical field, specifically to a kind of composite liquid early strength agent of white Portland cement, including the following weight parts of raw material, reinforcing component 30~40 parts, auxiliary solubilization stabilizing component 5~10 parts and carrier 50~65 parts, the total part of the composite liquid early strength agent is 100 parts, the reinforcing component is organic salt, inorganic salt reinforcing agent, the organic salt, inorganic salt reinforcing agent includes sodium oxalate, sodium carbonate and magnesium fluorosilicate, the auxiliary solubilization stabilizing component is the mixture of lignosulfonate and polyglycerol, the lignosulfonate is sodium lignosulfonate, and the polyglycerol is triglycerol, the composite liquid admixture of the present application, environmental friendly, preparation process is simple, improve white cement early (3d) strength 10%~15%, save white cement product curing time and improve formwork turnover rate.

A method for producing organic microelement complexes based on humic acid salts is characterized in that an aqueous solution of lignosulfonate is mixed with dry or aqueous solutions of copper, zinc, manganese, iron, cobalt, ammonium molybdate sulfates, boric acid or potassium metaborate to achieve a total mass concentration of microelement ions in the range of 0.5-4.0% of the absolutely dry matter. An alkaline agent is added. The resulting working solution undergoes intensive mixing with cavitation treatment. The solution is loaded into a reactor, sealed, pressurized to 22 bar, and heated to 150°C. The synthesis of microelement complexes based on humic acid salts occurs for 120-150 minutes at a pressure of 22-23 bar, temperature of +170-180°C with an air flow rate of 60-80 1 / h passing through the reactor. The synthesis process is stopped when the pH drops below 8.5 by turning off the heating and air supply. The finished product is unloaded after natural cooling below 70°C. The invention enhances the stability of organic complexes based on humic acids with high concentrations of retained biogenic microelements.

The invention discloses a composite soil conditioner, which is prepared from the following ingredients in parts by weight: 30 to 40 parts of calcium superphosphate, 20 to 25 parts of powdery humic acid, 20 to 25 parts of fulvic acid metal complexes, 10 to 25 parts of jarosite and 5 to 8 parts of lignosulfonate. The invention also provides a preparation method and application of the composite soil conditioner. The invention provides a composite soil conditioner and a preparation method and application thereof, jarosite is introduced as a potash fertilizer slow-release carrier, lignosulfonate is added as a bonding and dispersion medium, the composite soil conditioner can realize continuous release of potassium ions, and meanwhile, the potassium ions can be continuously released. After the potassium is released, a residual mineral skeleton and calcium ions and organic matters in the soil generate a cementation effect to jointly promote the formation of a water-stable aggregate structure, so that the synergistic improvement of potassium slow-release supply and soil structure construction is realized.

The invention discloses an efficient flotation inhibitor for galena and pyrite separation and application of the efficient flotation inhibitor. The inhibitor adopts a ternary compound system of modified lignosulfonate, an organic phosphate corrosion inhibitor and an organic reducing agent, and all the components have a synergistic effect. And the used components are low-toxicity or non-toxic organic compounds and do not contain extremely toxic substances such as cyanide and dichromate, so that the alkaline tailing pollution of a high-alkali lime method is avoided, and the green mineral separation requirement is met. During application, efficient separation can be realized under a weak base condition, the pH of ore pulp does not need to be increased to 11 or above, lime consumption is greatly reduced, corrosion and abrasion of equipment are reduced, and meanwhile, the over-inhibition risk of galena is reduced. The dosage of a roughing inhibitor is small, and the total dosage is low due to subsection decrement addition during concentration. And the N, N-diethyldithiocarbamate is adopted as the collecting agent, the agent system is simple, and industrial implementation is easy. The inhibitor still has a good inhibition effect on pyrite activated by copper ions, overcomes the defect of poor adaptability of a traditional high-alkali method, and has strong adaptability to ores with different properties.

The invention belongs to the field of rubber materials, and particularly relates to a durable high-resilience rubber composite material and a preparation method thereof. The rubber composite material provided by the invention is prepared from the following raw materials: natural rubber, high trans-1, 4-butadiene-isoprene copolymer rubber, high butadiene rubber, epoxy natural rubber grafted lignosulfonate, tetrapod-like zinc oxide whiskers, nano spherical zinc oxide, stearic acid, an anti-aging agent, a flame retardant, a vulcanizing agent, a first accelerant and a second accelerant. The first accelerant is selected from sulfoxide diethyldithiocarbamate, sulfoxide dibenzyl dithiocarbamate, sulfone dithiocarbamate and sulfone dibenzyl dithiocarbamate, and the second accelerant is selected from sulfoxide diethyldithiocarbamate, sulfoxide dibenzyl dithiocarbamate, sulfone dithiocarbamate and sulfone dibenzyl dithiocarbamate; the second accelerant is 4, 4 '-dithio-dimorpholine, 2-morpholinyl dithio-benzothiazole, N-oxydiethylene-2-benzothiazole sulfenamide, and dibenzoyl morpholine. The invention further discloses a preparation method of the flame-retardant flame-retardant flame-retardant flame-retardant flame-retardant flame-retardant flame-retardant flame-retardant flame-retardant flame-retardant flame-retardant flame-retardant flame-retardant flame-retardant flame retardant. The rubber composite material provided by the invention has excellent high resilience and use durability.