202 results about "Lignosulfonates" patented technology

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 discloses a preparation method of a lignosulfonate controlled-release drug-loaded capsule. The invention constructs a pH controlled release type lignin-based drug-loaded capsule around a three-stage delivery strategy of emulsion construction-electrostatic self-assembly-metal chelation. The preparation method specifically comprises the following steps: dissolving pesticide active ingredients and an emulsifier in an organic solvent to serve as an oil phase; dissolving lignosulfonate and a dispersing agent in water to serve as a water phase; mixing the oil phase and the water phase under stirring and homogenizing conditions to form O / W type emulsion; cationic monomers are added into the O / W type emulsion, a prototype of a shell layer is formed by means of electrostatic acting force, then the shell layer is cured by means of chelation of metal ions, and the lignosulfonate-based drug-loaded capsule loaded with pesticide is formed. The drug-loaded capsule prepared by the invention can shield ultraviolet light through the lignosulfonate metal complexing layer, has sensitive acid-base response performance, can realize the response controlled release process of encapsulated drugs, and effectively reduces the dosage of pesticides.

The present invention is directed to a water-soluble granule compositions comprising 1-amino-1-cyclopropanecarboxylic acid (“ACC”), a filler selected from the group consisting of lactose, dextrose, sucrose or a mixture thereof, one or more wetting agents selected from the group consisting of a non-ionic ethoxylated sorbitan, a polyoxyethylene glycol alkyl ether and an anionic dioctyl sulfosuccinate, one or more binders selected from the group consisting of polyvinylpyrrolidone and a lignosulfonate and one or more organosilicon surfactants selected from the group consisting of a polyalkyleneoxide modified heptamethyltrisiloxane and a polyether trisiloxane.

The invention belongs to the technical field of cement-based material admixtures, and particularly relates to a preparation and performance regulation and control method of a cement expanding agent. The technical problems of large component fluctuation, unstable performance and excessive expansion prevention at present are solved. According to the method, magnesium oxide is treated through low-temperature calcination, surface treatment and nano coating, an auxiliary expansion source high-activity magnesium silicate mineral is introduced, and meanwhile, a bio-based polymer crystal form regulating agent is doped to modify lignosulfonate to regulate the crystallization process of a hydration product, so that the expansion performance is controllable and stable and does not change drastically due to fluctuation of raw materials; excessive expansion is avoided while concrete shrinkage is effectively compensated, and cracking damage of a set cement structure is prevented.

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 invention discloses a soil-improving growth-promoting modified lignin soil conditioner and a preparation method thereof, and belongs to the technical field of high polymer materials and soil improvement. The modified lignin soil conditioner comprises an agent A, an agent B and an agent C, the agent A is a cationic modified lignin polymer and is prepared by graft copolymerization of lignosulfonate and a cationic monomer in a free radical initiation mode; the agent B is lignin controlled-release particles and is prepared by wrapping an amino acid amphoteric regulator in the cationic modified lignin polymer and another negative charge natural polymer through electrostatic intercalation self-assembly; the agent C is at least one of citric acid, lactic acid, itaconic acid, fulvic acid, wood vinegar, maleic acid, maleic anhydride and polyacrylic acid. The soil conditioner disclosed by the invention has the advantages of low cost, environment friendliness and efficient repairing performance, and an innovative solution is provided for agricultural soil improvement.

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 invention discloses an environment-friendly concrete water reducing agent and a preparation method thereof. The water reducing agent is prepared from the following raw materials in parts by weight: 25 to 60 parts of polycarboxylic acid water reducing agent mother liquor, 1.5 to 3 parts of modified early strength agent, 0.1 to 0.6 part of defoaming agent, 6 to 15 parts of water-retaining agent, 1.5 to 3.5 parts of dispersing agent, 0.4 to 1.2 parts of air entraining agent and 3 to 6 parts of retarder. The preparation method comprises the following steps: dissolving lignosulfonate in water, adjusting the pH value to 9-11, adding hydrogen peroxide, carrying out a reaction at 60-65 DEG C for 2-4 h, and carrying out drying so as to obtain modified lignosulfonate; the modified early strength agent is prepared from sodium citrate, nano silicon dioxide and a silane coupling agent according to the weight ratio of (3 to 5): 1: (0.08 to 0.12). The water reducer provided by the invention has the advantages of efficient water reduction, stable delayed coagulation, early strength and coagulation promotion and environmental friendliness.

The invention relates to the technical field of melamine resin high 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 a modified melamine resin prepolymer, a crosslinking accelerator, a curing agent and a first dispersing agent; the modified melamine resin prepolymer is prepared by modifying a melamine resin prepolymer through lignosulfonate and modified nano cellulose whiskers; the modified nano cellulose whiskers are prepared by modifying nano cellulose whiskers through a silane coupling agent; the second component comprises a composite reinforcing material; the composite reinforcing material comprises a carboxylated carbon nanotube, a montmorillonite-graphene hybrid, a second dispersing agent and a nucleating agent; the carboxylated carbon nano tube is prepared by reacting a carbon nano tube with strong acid; the montmorillonite-graphene hybrid is prepared from montmorillonite and graphene oxide through a reaction. Melamine resin is modified by adopting lignosulfonate and modified nanocellulose whiskers, meanwhile, a reinforcing material is compounded, and the heat resistance and the mechanical property of the melamine resin are improved in combination with a gradient curing process.

The invention relates to the technical field of heavy metal remediation, in particular to a composite soil conditioner based on coal gangue and biomass and a method for remediating heavy metal contaminated soil through the composite soil conditioner. The soil conditioner specifically comprises the following components in parts by mass: 70-80 parts of coal gangue, 2-3 parts of calcium fluoride, 2-3 parts of lignosulfonate, 3-5 parts of an improved microbial agent, 4-6 parts of humic acid, 6-10 parts of straw charcoal, 3-5 parts of diatomite, 2-3 parts of hydroxyapatite and 5-10 parts of chitosan. The preparation method is simple in process and low in cost, and has relatively high popularization and application values. The stability and high efficiency of the product are ensured by optimizing the process parameters such as calcination temperature and microbial agent loading, and the ecological function of soil can be gradually recovered after long-term application. Compared with a traditional soil dressing method or a chemical leaching technology, the remediation cost is reduced, cyclic utilization of resources is achieved, and a sustainable solution is provided for treatment of the heavy metal contaminated soil.

The application discloses a saline-alkali soil improvement liquid fertilizer and a preparation method and application thereof, and relates to the technical field of liquid fertilizers.The saline-alkali soil improvement liquid fertilizer is prepared by taking acid pulping waste liquid rich in lignin sulfonate as a skeleton, taking fulvic acid and amino acid as functional monomers, preparing a terpolymer through a free radical graft copolymerization reaction, and then adding sodium sulfinate into the terpolymer to improve the content of sulfonic acid groups in the terpolymer.The liquid fertilizer has the structural improvement ability of lignin sulfonate, the buffer complexing ability of fulvic acid and the nutritional activity of amino acid, and can realize the synergistic improvement of saline-alkali soil from three dimensions of chemical alkali reduction, physical salt removal and structure improvement.

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 self-repairing binder as well as a preparation method and application thereof, and belongs to the technical field of lithium ion batteries. A preparation method of the lignin-based self-repairing binder comprises the following steps: mixing polyacrylic acid, lignosulfonate and a lithium lipoate-based material in a solution, and then carrying out heat treatment to obtain the lignin-based self-repairing binder, the lithium lipoic acid-based material is lithium lipoic acid or itaconic acid cross-linked lithium polylipoic acid. The binder obtained by the invention has a three-dimensional network structure, a lithiated lipoic acid chain segment is introduced into the binder, and lignosulfonate is used as a cross-linked network fulcrum, so that the binder has good adhesion. And lithium ions and polylipoic acid with a cross-linked structure are introduced, so that the cycle performance and the rate capability of the lithium ion battery under high current density are improved.

The present invention relates to a sports field comprising:(i) a lower base layer;(ii) an upper grass and / or artificial grass layer;(iii) a shock pad layer, positioned between the base layer and the grass or artificial grass layer;wherein the shock pad layer comprises at least one shock pad comprising a coherent plate having upper and lower major surfaces, wherein the coherent plate comprises at least one coherent layer comprising man-made vitreous fibres (MMVF) bonded with a cured aqueous binder composition free of phenol and formaldehyde; wherein the aqueous binder composition prior to curing comprises:a component (i) in form of one or more lignosulfonate lignins having a carboxylic acid group content of 0.03 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 invention belongs to the technical field of building materials, and particularly relates to a waterborne epoxy resin-sulphoaluminate cement composite repairing material and a preparation method thereof. The water-borne epoxy resin-sulphoaluminate cement composite repairing material disclosed by the invention is prepared from the following components in parts by weight: 10 to 20 parts of water-borne epoxy resin, 40 to 60 parts of sulphoaluminate cement, 0.5 to 1 part of nano modified lignosulfonate, 0.2 to 0.6 part of nano hybrid polyvinyl alcohol, 0.1 to 0.5 part of a retarder, 0.05 to 0.3 part of an early strength agent and 12 to 25 parts of water. The water-borne epoxy resin-sulphoaluminate cement composite repairing material is suitable for hydraulic buildings with high requirements on repairing quality and durability, such as cross-sea bridges, seaport wharfs, hydropower stations and the like.

This invention discloses a biomass asphalt emulsifier, which is prepared by graft copolymerization of sodium lignin sulfonate and the amide intermediate in a solvent under the action of an initiator, through an amidation reaction of an amine compound and acrylic acid. The molar ratio of the amine compound to acrylic acid in the biomass asphalt emulsifier is (1-1.5):(1-1.5), the amount of lignin sulfonate is 40%-50% of the total mass of the amine compound and acrylic acid, the amount of initiator is 0.2%-2.8% of the total mass of the amine compound, acrylic acid, and lignin sulfonate monomers, and the mass ratio of the solvent to the total reactants is (1-1.2):(1-1.2). The preparation method of the biomass asphalt emulsifier of this invention is simple, with low production cost. The emulsifier has good water solubility and strong surface activity, belonging to the slow-cracking type of asphalt emulsifier. The emulsified asphalt produced by it is fine and uniform, with excellent storage stability, and has good application prospects in asphalt pavement construction.

The present application relates to the technical field of rubber tube, and particularly relates to a flame-retardant oil-resistant inner-fluorine outer-silicon rubber tube material and a preparation method thereof. The flame-retardant oil-resistant inner-fluorine outer-silicon rubber tube material comprises, from inside to outside, an inner-fluorine rubber layer, a calendered cloth layer and a silicon rubber layer. The inner-fluorine rubber layer is prepared from the following raw materials in parts by weight: FKM mixed rubber 50-70 parts, FVMQ mixed rubber 40 parts; wherein the FKM mixed rubber is prepared from the following raw materials in parts by weight: FKM 60-80 parts, carbon black 15-25 parts, barium sulfate 8-14 parts, modified magnesium hydroxide whisker 5-10 parts, plasticizer 6-12 parts, vulcanization aid 2-6 parts; and the FVMQ mixed rubber is prepared from the following raw materials in parts by weight: FVMQ 20-28 parts, polytetrafluoroethylene micro powder 6-12 parts, lignin sulfonate 4-8 parts, lubricant 0.5-2.5 parts. The rubber tube material prepared by the present application has not only good mechanical properties, but also high flame retardancy and good oil resistance.

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 invention relates to an aqueous agrochemical composition comprising (a) suspended particles of an active ingredient; and (b) lignosulfonate. It also relates to the use of lignosulfonate to stabilize an aqueous agrochemical composition comprising suspended particles of the active ingredient. Other objectives include a method for stabilizing an aqueous agrochemical composition comprising suspended particles of an active ingredient; a method for treating, controlling, preventing, or protecting animals against parasitic infestation or infection; a method for preparing the agrochemical composition; and a plant propagation material comprising the agrochemical composition.

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.