194 results about "Formaldehyde free" patented technology

A fibrous insulation product comprising a plurality of randomly oriented glass fibers and a cross-linked formaldehyde-free binder composition at least partially coating the fibers is disclosed. The cross-linked formaldehyde-free binder composition is formed from an aqueous binder composition comprising 5.0% by weight to 37.0% by weight of at least one monomeric polyol having at least four hydroxyl groups and at least 50.0% by weight of a cross-linking agent comprising a polymeric polycarboxylic acid having at least two carboxylic acid groups, based on the total solids content of the aqueous binder composition. The glass fibers have an average fiber diameter in the range of 8 HT to 12 HT. The fibrous insulation product, after curing, has a density, when uncompressed, in the range of 0.30 pcf to 2.7 pcf.

The invention discloses water-based formaldehyde-free woodworking glue and a preparation method thereof, and relates to the technical field of woodworking glue. When the water-based formaldehyde-free woodworking glue is prepared, firstly, n-butyllithium is used as an initiator to initiate cyclosiloxane and an acrylate monomer to be polymerized, then dimethyl chlorosilane is used for blocking to obtain pre-modified polyacrylate, and the pre-modified polyacrylate is used for preparing the water-based formaldehyde-free woodworking glue. Reacting the pre-modified polyacrylate with vinyl diphenylphosphine, and then reacting with 3-(4-bromophenyl)-1-propylene to obtain modified polyacrylate; secondly, reacting the 4-(trimethoxysilyl) butyraldehyde modified silicon dioxide with chitosan, and then reacting with mercaptoacetic acid to obtain modified silicon dioxide; finally, mixing the modified polyacrylate, the modified silicon dioxide, an emulsifier, a defoaming agent, pure water and a photoinitiator to obtain the water-based formaldehyde-free woodworking glue. The water-based formaldehyde-free woodworking glue prepared by the invention has flame retardance and antibacterial property.

The invention discloses a bio-based benzoxazine adhesive as well as a preparation method and application thereof. The molecular formula of the bio-based benzoxazine adhesive is shown in the specification. The biomass material isoliquiritigenin is used as the raw material of the benzoxazine resin adhesive, the synthesized benzoxazine resin structure contains phenolic hydroxyl groups protected by keto groups of adjacent chalcone, and the curing temperature can be reduced while the bonding strength of the benzoxazine resin and a matrix can be effectively improved; secondly, carbon-carbon double bonds of chalcone groups in the isoliquiritigenin can further improve the crosslinking density of benzoxazine through photodimerization and thermocuring crosslinking reaction, and the bonding strength is improved; and finally, the synthesis steps are simple, the yield is relatively high, the cured benzoxazine resin has very excellent adhesive property, thermal property and mechanical property, the product component is single, compounding is not needed, no formaldehyde is emitted, the synthesis process is easy to implement, and the benzoxazine resin is suitable for large-scale production. # imgabs0 #

The invention discloses a preparation method of a starch-polyvinyl alcohol-based room temperature curing wood adhesive for plywood, and belongs to the technical field of wood adhesives. At present, wood adhesives mainly come from petrochemical resources and mostly need hot-pressing curing, the invention provides the preparation method of the wood adhesive with starch and polyvinyl alcohol as main materials, and heat-free bonding can be achieved. The preparation method comprises the following steps: firstly, reacting corn starch with isocyanate to obtain carbamic acid esterified starch, then adding a polyvinyl alcohol aqueous solution, uniformly stirring to obtain a starch-polyvinyl alcohol-based room-temperature curing wood adhesive, uniformly coating a wood veneer with the starch-polyvinyl alcohol-based room-temperature curing wood adhesive, forming an odd-layer plate blank according to the principle that the fiber directions of adjacent layers are vertical, and then carrying out cold press molding to obtain the wood veneer. The starch-polyvinyl alcohol-based room temperature curing plywood can be obtained. The prepared starch-polyvinyl alcohol-based room temperature curing plywood has the advantages of being easy to prepare, high in bonding strength, good in water resistance, free of formaldehyde, free of hot pressing and the like, and has a good market popularization prospect.

The invention belongs to the technical field of fire-extinguishing building materials, and discloses a microencapsulated efficient automatic fire-extinguishing patch and a preparation method thereof.The fire-extinguishing patch contains a fire-extinguishing microcapsule, the fire-extinguishing microcapsule is of a double-layer structure, the inner layer contains gelatin, kaolin, perfluorohexanone, sodium hexametaphosphate, resorcinol and glutaraldehyde, and the outer layer contains gelatin, kaolin, perfluorohexanone, sodium hexametaphosphate, resorcinol and glutaraldehyde; and the outer layer comprises a vinylidene fluoride-acrylic acid copolymer and glutaraldehyde. According to the invention, the flaky kaolin is used for enhancing the formaldehyde-free phenolic aldehyde inner layer and the vinylidene fluoride-acrylic acid copolymer outer layer to form a double-layer shell layer with high air tightness, so that the compactness and long-term stability of the shell layer of the microcapsule are greatly improved.

The invention relates to the technical field of packaging paper, and discloses environment-friendly decorative paper and a preparation method and application thereof.The environment-friendly decorative paper comprises a base material, and an EB functional layer is formed on the base material; the EB functional layer is a coating layer formed by curing a functional coating through EB radiation curing; the functional coating is prepared from polyurethane and acrylic resin in a weight ratio of (1: 1)-(1: 4). According to the preparation method, the EB functional layer is prepared on the base material through the EB curing technology to replace a traditional high-temperature curing technology, the energy consumption problem of high-temperature curing can be avoided, and the preparation process of the EB functional layer is efficient. Besides, a formaldehyde-free environment-friendly process is realized, and an EB curing technology is combined, so that good bonding force can be formed between the EB functional layer and a base material, the EB functional layer has excellent wear resistance, scratch resistance and ultraviolet resistance, the service life of the decorative paper can be effectively prolonged, and the decorative paper is particularly remarkable in outdoor or high-use-frequency application.

The invention belongs to the technical field of biomass materials and environment-friendly adhesives, and relates to a biomass adhesive, in particular to a preparation method of a biomass environment-friendly adhesive based on longan shells, which comprises the following steps: firstly, cleaning, drying, crushing and screening the longan shells for pretreatment, and then carrying out alkalization and acetylation chemical modification to obtain the biomass environment-friendly adhesive based on the longan shells. And finally, compounding with gelatinized starch, a chitosan acetic acid solution and citric acid, and adjusting the viscosity to obtain the adhesive. The waste longan shells are used as raw materials, agricultural waste recycling is achieved, the product is free of formaldehyde release and biodegradable, and the viscosity of the prepared adhesive is 1000-2000 mPa.s at the temperature of 25 DEG C and is measured through a rotary viscometer; the wood-wood bonding strength is larger than or equal to 2.5 MPa, the 24-hour water absorption rate is smaller than or equal to 25%, the problems that a traditional biomass adhesive is short in performance and low in cost, special equipment is not needed for preparation are solved, the adhesive is suitable for the industrial fields of artificial board manufacturing, furniture manufacturing and the like, and environment-friendly transformation of the adhesive industry is promoted.

The invention relates to a fabric flame retardant and a preparation method thereof. The fabric flame retardant is obtained by polymerizing a monomer composition, and the total weight of the monomer composition is 100%. Comprising the following components in percentage by weight: 15 to 30 percent of alkenyl amino triazine comonomer, 5 to 20 percent of polyalkenyl siloxane comonomer, 5 to 15 percent of alkenyl sulfonyl propylidene diacetamide comonomer, 2 to 10 percent of allyl polyoxyethylene ether comonomer and 40 to 65 percent of deionized water. The flame-retardant effect of the fabric finished by the flame retardant can reach B1 level, the fabric is soft and smooth in hand feeling, the fabric surface is not separated out and is not sticky in the storage process, and the color yield is uniform. And the flame retardant is phosphorus-free, halogen-free, formaldehyde-free, safe and environment-friendly.

The invention relates to the technical field of furniture boards, and discloses an environment-friendly shaving board and a preparation method thereof.The environment-friendly shaving board is prepared from pentaerythritol glycidyl ether, hexadecyl dimethyl tertiary amine, epoxy chloropropane and the like, an obtained polyepoxy quaternary ammonium salt cross-linking agent generates multiple bonding effects with soybean protein, polyhydroxy phytic acid and graphene oxide, and the environment-friendly shaving board is prepared. The obtained environment-friendly flame-retardant mildew-proof adhesive and bamboo wood shavings are subjected to glue mixing and hot press molding, and the environment-friendly shaving board is obtained. Polyhydroxy phosphoric acid is rich in phosphorus element and has a flame-retardant effect; the quaternary ammonium salt group has a relatively good prevention and treatment effect on molds and chromotropic bacteria; the polyepoxy quaternary ammonium salt cross-linking agent is equivalent to a physical cross-linking point in the shaving board, and is nailed and anchored together with the bamboo shavings due to an adhesive, so that microcracks are prevented from further expanding into large cracks, the board blank is denser, and the reinforcing and toughening effects are achieved; the raw materials are wide in source, non-toxic, harmless, free of formaldehyde release and environment-friendly.

The present invention relates to the use of compositions containing one or more peroxyacid to control the growth of pathogens, such as Salmonella, in animal feed. Another aspect of the present invention relates to a formaldehyde-free antimicrobial composition comprising one or more peroxyacid, where the composition is capable of controlling the growth of pathogens, such as Salmonella, in animal feed. Another aspect of the present invention relates to an animal feed additive comprising a buffered peroxyacid composition that is effective at controlling the growth of pathogens while preserving the nutrient content in the animal feed, where the buffered composition is less corrosive to steel and feed mill equipment than non-buffered compositions.

The invention discloses a preparation method of an environment-friendly 3D printing three-dimensional surface floor, which comprises the following steps: S1, drawing a plane drawing of the floor, generating a 3D model of the floor by using a computer, and obtaining all layered structures and arrangement modes for forming the floor; and S2, raw materials for preparing the floor are prepared according to the 3D model of the floor in the S1, the raw materials are conveyed into a 3D printer for 3D printing, and all layered structures for the floor are printed. Through a sustainable raw material system, a formaldehyde-free laminating process, high-precision 3D printing texture forming, a three-layer environment-friendly protection layer, a bio-based edge sealing technology and an internet-of-things intelligent production system, production energy consumption is reduced by 40%, waste is reduced by 50%, closed-loop recovery is achieved, meanwhile, the international environment protection certification is met, the production efficiency is improved by 30%, and the production cost is reduced. And a full-chain green manufacturing scheme for synergistically improving the environmental protection performance, the production efficiency and the product quality is formed, and the double-carbon target requirement is met.

The invention discloses a preparation method of a non-grain oil-based formaldehyde-free bamboo particle board. The non-grain oil-based bamboo particle board is prepared from a non-grain oil-based adhesive and bamboo particles. The non-grain oil-based adhesive is prepared from the following raw materials: an oil refining byproduct, glycidyl methacrylate, epoxy resin, a reinforcing agent, triethylene diamine and tert-butyl peroxybenzoate. The preparation method comprises the following steps: S1, preparing the non-grain oil-based adhesive; s2, uniformly spraying glue; s3, mechanically mixing; and S4, hot press molding. According to the method, the non-grain and non-oil waste grease mixture is used as the raw material to prepare the adhesive, the bamboo processing waste is glued to prepare the bamboo particle board, and high-value utilization of the bamboo processing waste and grease refining by-products is achieved; the prepared adhesive has the characteristics of high bio-based content, excellent bonding strength, good weather resistance, no formaldehyde, low cost, reproducibility and the like; the prepared bamboo particle board is free of formaldehyde release and has excellent mechanical performance, water resistance and high temperature resistance.

The invention provides a carbon crystal heating plate with an excellent heat transfer characteristic and a preparation method thereof, and relates to the technical field of environment-friendly furniture, the carbon crystal heating plate comprises a carbon crystal plate and heat preservation cotton bonded on the carbon crystal plate, a heating pipe is arranged between the carbon crystal plate and the heat preservation cotton, and heat-assisting binders are filled between the carbon crystal plate and the heating pipe and between the carbon crystal plate and the heat preservation cotton. The heating pipe is arranged between the carbon crystal plate and the heat preservation cotton to play a role in heating, and the heat-assisting binder with high strength and heat transfer performance is filled, so that the carbon crystal plate has the characteristics of heating and cooling, the heat transfer performance and strength are improved, and the service life of the carbon crystal plate is prolonged. The characteristics that the carbon crystal heating plate is large in coverage area and good in decoration effect in indoor decoration are fully played, meanwhile, the function of supplying heat and cold to a decoration space is taken into consideration, radiation heat transfer and heating of the carbon crystal heating plate are even, defrosting is fast, the human settlement environment is comfortable, and operation is energy-saving due to the fact that the heat-assisting binder is added. The aluminum honeycomb core plate is formaldehyde-free, flame-retardant, energy-saving and environment-friendly, and meets the environmental protection requirement.

Disclosed are formaldehyde-free, thermally-curable, alkaline, aqueous binder compositions. Also disclosed are compositions comprising formaldehyde-free, thermally-curable binder compositions, as described herein, applied to non-woven fibers. Uses of the disclosed binder compositions as binders for non-woven fibers are also disclosed.

The invention relates to the field of bamboo veneer processing, in particular to a method for widening a large-breadth flattened sliced bamboo veneer, which comprises the following steps of: compounding the sliced bamboo veneer with gauze or non-woven fabric by hot pressing; edge cutting and width fixing are conducted on the compounded sliced bamboo veneers; glue is smeared in the thickness direction of the sliced bamboo veneers; the sliced bamboo veneers are placed in an environment of 30-50 DEG C, and glue is dried; the dried sliced bamboo veneers are placed in a board splicing machine for pre-splicing; and hot-pressing and compounding the sliced bamboo veneer and the gauze or the non-woven fabric again to obtain a finished product. The formaldehyde-free environment-friendly adhesive is adopted, so that chemical pollution is reduced; the side face of the sliced bamboo veneer is pre-spliced and combined with gauze / non-woven fabric, multiple times of gum dipping is avoided, and gum consumption can be reduced; continuous veneers with the width of 2-10 m or above can be prepared, cloth-shaped veneering materials are achieved and directly used for wall decoration, and machining links can be reduced; the cut bamboo wood is suitable for household products such as stationery bags and computer supports, and the application dimension of the bamboo wood can be expanded.

A water based 2K coating composition, containing one or more water soluble epoxy resins, one or more water soluble curing agents, and water, wherein the composition is substantially isocyanate free, along with a method for coating a substrate using the water based 2K coating composition. Additionally, an epoxy coating composition containing a multifunctional aliphatic epoxy resin crosslinked with a di- or higher-functional curing agent, either of an acrylic resin or a modified cellulose acetate resin, and a carrier, wherein the epoxy coating composition is at least one of substantially isocyanate free, substantially formaldehyde free, or substantially bisphenol-A free, along with a method for coating a substrate with the epoxy coating composition.

The invention discloses a preparation method and an application process of an environment-friendly stiffening agent, the molecular chain of the environment-friendly stiffening agent is as follows: (X-O) r-W-(O-(CO-Z-CO-O-Y-O) p-X) q, W is a (q + r)-valent organic group, (CO-Z-CO-O-Y-O) is a polyester resin skeleton taking a polycarboxylic acid component Z and a polyol component Y as polymerization components, and the formula is shown in the description. And X represents a residue of a polyacid having two or more carboxyl groups or hydrogen. The environment-friendly stiffening agent has the beneficial effects that the environment-friendly stiffening agent in the technical scheme has relatively high adhesion to polyester, can be co-melted with the polyester under the action of heat, is free of formaldehyde release, and has a strong hydrophilic group sulfonic acid group, so that the environment-friendly stiffening agent in the technical scheme has good water dispersibility, is convenient to store and simple in finishing process, and is suitable for industrial production. The problems of formaldehyde, yellowing, white marks, odor and softening of a traditional stiffening agent are effectively solved.

Exotherm suppressant compositions are described that include a resin, such as a thermoset or thermoplastic resin, and at least one cyclic urea compound. Such compositions have no free formaldehyde, contain no antimony and are halogen free, for example. As described, such compositions can be used as binders, for example, to bind organic, inorganic fibers, and / or minerals. Also described are binder-containing fiberglass products that include glass fibers and a binder. The binder-containing fiberglass products have reduced formaldehyde emissions.

The present application relates to the technical field of environment-friendly glass wool, and proposes a pink environment-friendly glass wool, which comprises the following components in parts by weight: glass powder 50-60 parts, quartz sand 30-35 parts, dolomite 5-8 parts, borax 3-5 parts, soda ash 3-5 parts, nano-porous carbon 3-8 parts, silica aerogel powder 5-10 parts, formaldehyde-free adhesive 15-20 parts, and dyeing agent 0.02-0.05 parts. The above technical solution solves the problems of poor durability and environmental unfriendliness of the heat preservation and insulation performance of the glass wool product in the prior art.

The utility model relates to the technical field of building decoration materials, and discloses an environment-friendly decorative plate for indoor decoration, which comprises an outer frame, an environment-friendly mechanism is mounted on the inner wall of the outer frame and used for improving the water resistance and deformation resistance of the decorative plate, and mounting mechanisms are mounted on the front side and the rear side of the outer wall of the environment-friendly mechanism. And the mounting mechanism is used for conveniently mounting the decorative plate. The aluminum alloy keel material forms a net structure and a space stress system, loads can be transmitted in multiple directions, single-point stress concentration is avoided, the base material layer is formed by pressing bamboo and wood fibers and environment-friendly adhesives, the environment-friendly performance is excellent, formaldehyde release is avoided, the reinforcing layer is the glass fiber gridding cloth, the reinforcing layer is compounded with the base material layer through the hot pressing technology, and the heat insulation performance is good. And the finish coat is a water-based UV coating and covers the surface of the enhancement layer through a spraying process, so that the water resistance and the deformation resistance are high, and the water-based UV coating is suitable for a humid environment.

The invention provides a lyocell fabric dyeing anti-fibrillation finishing method which is characterized by comprising the following steps: 1, desizing and cleaning a lyocell fabric, feeding water according to a bath ratio of (1: 4)-(1: 20) to run the lyocell fabric, adding an anti-fibrillation cross-linking agent according to 3%-10% owf, adding a proper amount of reactive dye, and running uniformly; the anti-fibrillation cross-linking agent is a polyfunctional group compound containing more than two monochloro-s-triazine active groups and / or vinyl sulfone sodium sulfate active groups; the reactive dye comprises one or more of a monochloro-s-triazine type, a vinyl sulfone type, a monochloro-s-triazine group and a vinyl sulfone group double-active-group type; 2, anhydrous sodium sulphate is added, the temperature is increased to 60-70 DEG C, 15-25 g / L of sodium carbonate is added, and operation is conducted for 35-55 min; and 3, the temperature continues to rise to 75-85 DEG C, operation is conducted for 10-20 min, and drainage and cleaning are conducted after cooling. The process is simple, the flow is short, fibrillation can be prevented, the dyeing effect is good, formaldehyde release is avoided, a large amount of water resource consumption is saved, and wastewater discharge is reduced.

The utility model belongs to the technical field of double-clean solid core boards, and particularly relates to a double-clean solid core board which comprises a frame sealing frame, a Chinese oak board is fixedly installed in the frame sealing frame, waterproof layers are fixedly installed on the top of the Chinese oak board, the opposite sides of the two waterproof layers are tightly bonded with the same Chinese oak board through a first DM I adhesive layer, and a second DM I adhesive layer is arranged on the other side of the two waterproof layers. When the whole Chinese oak board is used, the whole Chinese oak board is compact in structure, high in hardness, capable of resisting abrasion and corrosion and long in service life, the whole board is high in stability and not prone to deformation, and the fireproof layer is arranged on the side, away from the waterproof layer, of the whole board. Meanwhile, the first DM I adhesive layer, the second DM I adhesive layer and the third DM I adhesive layer are free of formaldehyde, formaldehyde release is completely eradicated from the source, harm of formaldehyde to human health and pollution to the environment can be effectively avoided, and healthy and environment-friendly living and working space can be provided for people.

The present invention provides a bio-based adhesive and a preparation method and application thereof. The bio-based adhesive of the present invention includes caffeic acid, glyoxal, water, sodium hydroxide, poly-4,4'-diphenylmethane diisocyanate thickener, defoamer, and preservative. The bio-based formaldehyde-free adhesive of the present invention uses caffeic acid and glyoxal as a matrix, adds glyoxal to the phenolic ring of caffeic acid to form cresol, and then forms a prepolymer by connecting the phenolic ring to grow the chain to form an adhesive. Sodium hydroxide is used as an alkaline catalyst to improve the adhesion strength through the poly-4,4'-diphenylmethane diisocyanate thickener. The adhesive of the present invention uses bio-based raw materials, can replace the role of petroleum-based in the production of phenolic resin, is a safe and environmentally friendly bio-based formaldehyde-free adhesive, and has a large development prospect.

The invention discloses a preparation method and application of a non-grain bio-based formaldehyde-free shaving board adhesive. According to the preparation method of the non-grain bio-based formaldehyde-free shaving board adhesive, palm oil refining waste serves as a raw material, all the raw materials used in the preparation process are non-aldehyde compounds, the raw materials are chemically modified through transesterification, and the non-grain bio-based formaldehyde-free shaving board adhesive is prepared by increasing the crosslinking density and adjusting the interface bonding capacity. The mechanical property and the water resistance of the adhesive are enhanced. The prepared adhesive can be used for preparing shaving boards, and has the advantages of no formaldehyde release, environmental friendliness and the like. A new thought is provided for functional utilization of non-grain vegetable oil refining waste, the use requirements for production of the prepared adhesive composite artificial board are met, and the internal bonding strength, the static bending intensity, the water absorption expansion rate and the like of the shaving board can meet the existing national standard specification requirements.

The invention relates to the technical field of composite boards, in particular to a waterproof anti-cracking formaldehyde-free multilayer composite board and a manufacturing process thereof.The manufacturing process includes the following process steps that five layers of log slices are taken, the upper surfaces of the five layers of log slices are coated with an adhesive, and the five layers of log slices are stacked to form a composite board; facing paper is laid on the upper surface of the composite board, and pressing is conducted; coating the surface of the facing paper with a surface paint, and carrying out UV curing to form a surface paint layer so as to obtain a composite board; the surface paint comprises the following components in parts by mass: 20-60 parts of branched modified polyurethane, 10-30 parts of modified polythioether, 2-3 parts of a photoinitiator and 1 part of an auxiliary agent. The branched modified polyurethane and the modified polythioether are mixed to serve as a resin material of the surface paint, so that the surface paint has high activity, low viscosity, UV curing and formation of a three-dimensional network cross-linked structure, curing shrinkage of a prepared surface paint layer is reduced, and the properties such as adhesive force, hardness, water resistance, tensile strength and impact resistance are improved.

The invention relates to an aqueous binder composition free of phenol and formaldehyde.

The invention relates to the technical field of air pipe valves, in particular to a module assembly type formaldehyde-free noise reduction air pipe valve. Comprising a silencing lining layer, mounting frames arranged at the front end and the rear end of the silencing lining layer, mounting holes formed in the four corners of the mounting frames, a rectangular valve pipe arranged on the outer side of the silencing lining layer and located between the two mounting frames, and a valve shaft vertically and rotationally mounted in the middle of the silencing lining layer. According to the formaldehyde-free noise reduction air pipe valve, the structure of an original formaldehyde-free noise reduction air pipe valve is scientifically and reasonably improved, the formaldehyde-free noise reduction air pipe valve is mainly composed of the noise reduction lining layer, the installation frame, the outer frame body, the inner spiral sleeve and the valve assembly, and tool-free modular assembly operation between components of the formaldehyde-free noise reduction air pipe valve can be achieved; and the assembling operation workload and difficulty of the formaldehyde-free silencing air pipe valve are effectively reduced, so that the assembling and processing efficiency and convenience of the formaldehyde-free silencing air pipe valve are improved.

A water based 2K coating composition, containing one or more water soluble epoxy resins, one or more water soluble curing agents, and water, wherein the composition is substantially isocyanate free, along with a method for coating a substrate using the water based 2K coating composition. Additionally, an epoxy coating composition containing a multifunctional aliphatic epoxy resin crosslinked with a di- or higher-functional curing agent, either of an acrylic resin or a modified cellulose acetate resin, and a carrier, wherein the epoxy coating composition is at least one of substantially isocyanate free, substantially formaldehyde free, or substantially bisphenol-A free, along with a method for coating a substrate with the epoxy coating composition.

The invention relates to an aqueous binder composition free of phenol and formaldehyde.

The invention discloses a formaldehyde-free water-resistant soybean meal-based composite adhesive and a preparation process of the formaldehyde-free water-resistant soybean meal-based composite adhesive on a multifunctional artificial board, and relates to the technical field of bio-based adhesives and wood processing. The adhesive is prepared from a soybean meal main raw material, a plant-based composite cross-linking system, a nano-mineral synergistic reinforcing phase, an interface regulating agent and a compound curing agent through a two-stage mixing technology, and the problems that a traditional soybean meal adhesive is poor in water resistance, uneven in dispersion, limited in applicable plate type, single in function and the like are solved. The obtained adhesive is free of formaldehyde release, the prepared artificial board (multilayer plywood, shaving board, fiberboard and the like) is free of glue failure after being boiled in boiling water for 2 h, the normal water absorption rate is smaller than or equal to 8%, the dry static bending intensity is larger than or equal to 15 MPa, meanwhile, the antibacterial rate is larger than or equal to 90%, the technology is compatible with an existing production line, the cost is reduced by 30%-40% compared with a traditional PAE type adhesive, and the adhesive is suitable for industrial production. The composite board can be widely applied to the fields of boards for furniture manufacturing, indoor decoration and humid environments.