42 results about "Dibutyl phthalate" patented technology

This invention discloses a method for preparing and analyzing trans-4-aminocyclohexylacetic acid. The preparation method is as follows: 4-nitrophenylacetic acid undergoes catalytic hydrogenation in a solvent, followed by filtration. The filtrate is then treated with acid to obtain a 4-aminophenylacetic acid salt solution. The collected catalyst is activated. The 4-aminophenylacetic acid salt solution is mixed with isopropanol, barium hydroxide, tetrabutylammonium bromide, 18-crown ether-6, and dibutyl phthalate. The activated catalyst is then added to initiate a catalytic hydrogenation reaction. After the reaction, the reaction solution is cooled and filtered. The resulting solid is mixed with a preheated dilute sulfuric acid solution and stirred to form a slurry. The mixture is then filtered, and the filtrate is neutralized and filtered again. The collected filtrate is concentrated and crystallized. The crystallized precipitate is washed and dried to obtain trans-4-aminocyclohexylacetic acid. The method provided by this invention has high reaction efficiency, mild conditions, and is suitable for industrial production. It yields high product purity and reliability. Furthermore, the analytical method provided by this invention is accurate and reliable.

The invention relates to a microbial agent for degrading COD (Chemical Oxygen Demand) in DBP (Dibutyl Phthalate) wastewater as well as a preparation process and application of the microbial agent. The microbial agent is prepared from the following active components in parts by weight: 88 to 91 parts of pseudomonas, 5.2 to 5.6 parts of enterobacter and 0.05 to 0.11 part of alcaligenes. According to the application, a plurality of microbial strains are formed in the microbial liquid which is subjected to mixed domestication culture of the DBP wastewater, the anaerobic sludge, the hydrolytic acidification bacteria and the nutritive salt, and a plurality of microbial strains in the microbial agent which is obtained by mixing the microbial liquid after bacteria screening and expanding culture have a synergistic effect, so that the microbial agent has the performance of efficiently degrading COD in the DBP wastewater in an environment-friendly manner.

The invention relates to the field of organic pigments, and discloses a preparation method and application of nano organic pigments with different crystal forms. The preparation method comprises the following steps: 1) dissolving an organic pigment crude product in a good solvent, and adding inorganic salt for activation; 2) dropwise adding a poor solvent at a gradient rate, adding a crystal form guiding agent, and inducing formation of a crystal nucleus; wherein the alpha crystal form directing agent is magnesium stearate; the beta crystal form directing agent is dibutyl phthalate; the gamma crystal form directing agent is polyethylene glycol; the initial gradient rate is 0.5-1 mL / min, and the gradient rate is increased by 0.2-0.3 mL / min every 8-12 min; 3) ultrasonic treatment; 4) cooling, and adding a surface modifier for surface modification; according to the preparation method, the nanometer organic pigment with the target crystal form can be accurately obtained through process regulation and control, the nanometer organic pigment is uniform in particle size distribution, good in dispersity, good in heat-resistant stability and high in color and luster strength, and the nanometer organic pigment has the advantages of being good in flocculation-resistant stability and weather resistance after a coating is formed.

The invention belongs to the technical field of traditional Chinese medicines, and relates to a glycyrrhiza uralensis n-butyl alcohol extract and application of effective components thereof. The invention relates to a glycyrrhiza uralensis n-butyl alcohol extract. The effective components of the glycyrrhiza uralensis n-butyl alcohol extract are prepared from glycyrrhiza uralensis isoflavanone, glycyrrhiza stem alcohol A, licorcidine, dibutyl phthalate, glycyrrhizin I, 3 '-Dimethylallylkievitone, lupinone, glycyrrhiza flavonol, edediol, 1-methoxy phaseolin and isoderrone. The glycyrrhiza uralensis n-butyl alcohol extract is prepared from the following raw materials: glycyrrhiza uralensis, glycyrrhiza uralensis, glycyrrhiza uralensis, glycyrrhiza uralensis, glycyrrhiza uralensis, glycyrrhiza uralensis, glycyrrhiza uralensis, glycyrrhiza uralensis, glycyrrhiza uralensis and glycyrrhiza uralensis, the anti-streptococcus mutans activity of the glycyrrhiza uralensis n-butyl alcohol extract provided by the invention is superior to that of an extract extracted by ethanol in the same extraction method. The method has more advantages in the aspect of preventing streptococcus mutans infection and decayed teeth, and a theoretical basis is provided for research and development of new products.

The invention discloses a pumpable resin anchoring agent for mounting a mine tunnel anchor rod and a pumping device of the pumpable resin anchoring agent, and relates to the field of mine anchor rod mounting devices. Comprising the following components in parts by weight: 100-120 parts of unsaturated polyester resin, 1-3 parts of an accelerant, 1-10 parts of a thixotropic agent, 300-400 parts of superfine modified filler, 2-5 parts of a silane coupling agent, 3-6 parts of a low-shrinkage additive, 1-3 parts of a wetting dispersant and 1-2 parts of a styrene inhibitor; the catalyst component is prepared from the following components in parts by weight: 10 to 15 parts of benzoyl peroxide, 10 to 15 parts of dibutyl phthalate, 5 to 10 parts of a composite initiator, 0.5 to 1.5 parts of a thickening agent, 0.1 to 0.3 part of zinc stearate and 100 to 120 parts of deionized water; during construction, a resin component and a catalyst component are mixed according to the mass ratio of 100: (10-20), and are conveyed and injected into a drill hole through a pumping device; by matching with the pumping device with the rotary groove cutting, multi-channel grouting and pressure monitoring functions, active leaking stoppage, accurate isolation and efficient anchoring of irregular drill holes of a mine tunnel are achieved, and the sealing performance, stability and construction efficiency of anchor rod installation are greatly improved.

The invention relates to the field of ceramics for semiconductors, and discloses aluminum nitride ceramic tape casting slurry, a high-elongation aluminum nitride ceramic green tape and a preparation method and application thereof.The aluminum nitride ceramic tape casting slurry is prepared from, by mass, 70-75 parts of aluminum nitride raw powder and 25-30 parts of organic solvent through mixing and ball milling, the dispersing agent accounts for 0.5%-0.8% of the mass of the aluminum nitride raw powder, the binder accounts for 3%-10% of the mass of the aluminum nitride raw powder, the composite preparation accounts for 1%-9% of the mass of the aluminum nitride raw powder, and the composite preparation comprises dioctyl phthalate, dibutyl phthalate and dioctyl adipate according to the mass ratio of (2-4): (1-2): (1-2). By adopting the composite preparation with a specific ratio, the uniformity and flowability of the tape-casting slurry can be remarkably improved, the surface defects of a green belt are reduced, the elongation rate of the tape-casting slurry is up to 37%, the processing requirements of tubular curved surface structure aluminum nitride ceramic parts can be met, the cracking risk in the glue discharging and sintering process is reduced, and the service life of the tape-casting slurry is prolonged. The method can be widely applied to preparation of special-shaped ceramic elements for semiconductor equipment.

The invention discloses a high-strength normal-temperature curing binder and a preparation method thereof. The high-strength normal-temperature curing binder is prepared by mixing a component A and a component B, the component A is prepared by mixing the following components in parts by weight: 100 parts of matrix epoxy resin, 50-55 parts of acidic aluminum oxide, 1-3 parts of fumed silica and 7-9 parts of dibutyl phthalate; and the component B is prepared by mixing the following components in parts by weight: 20-30 parts of a 593 curing agent and 3-4 parts of a curing accelerator. By adjusting the formula of the adhesive, the problems that the adhesive is poor in environmental adaptability, low in strength, complex in curing process and not cured at normal temperature in the bonding process are solved.

The application belongs to the technical field of organic pollutant treatment, and particularly relates to a single-atom Co-anchored TiO2 catalyst and a preparation method and application thereof. The application provides a single-atom Co-anchored TiO2 catalyst, which comprises nano TiO2 and single-atom Co; the single-atom Co is dispersed on the surface of the nano TiO2; the loading amount of the single-atom Co is 0.1-1 wt%, the nano TiO2 is in the shape of a doughnut, and the specific surface area of the nano TiO2 is 100-150 m 2 / g. The single-atom Co-anchored TiO2 catalyst provided by the application can degrade dibutyl phthalate DBP in water by 100%, has a high single-atom loading amount, has higher visible light activity, and can significantly improve the removal rate of persistent organic pollutants such as plasticizers. The single-atom Co-anchored TiO2 catalyst provided by the application can catalytically degrade organic pollutants in water bodies with a pH value of 3-12, has excellent reusability, and greatly reduces the economic cost of the catalyst.

The invention belongs to the technical field of metal surface treatment, and particularly discloses a corrosion inhibition inhibitor for hydrochloric acid pickling and a preparation method and application thereof, and the corrosion inhibition inhibitor comprises hexamethylenetetramine, ferric chloride, ethyl silicate, glacial acetic acid, dibutyl phthalate, sodium hydroxide, ethylenediamine tetraethanol and desalted water. The inhibitor can form a protective film on the metal surface, effectively inhibits corrosion of acid liquor to a strip steel matrix, reduces iron loss, hydrogen embrittlement and acid mist emission, is suitable for a cold-rolled strip steel hydrochloric acid pickling process, and has the advantages of being small in addition amount, high in inhibition efficiency, environmentally friendly and the like.

A urethane-based adhesive composition includes a urethane prepolymer, a carbon black A having a dibutyl phthalate oil absorption number of 30 to 40 ml / 100 g, a carbon black B having a dibutyl phthalate oil absorption number of 98 to 108 ml / 100 g, a calcium carbonate C, a plasticizer D, a modified product E of an aliphatic diisocyanate, and a catalyst, and the urethane-based adhesive composition is configured to satisfy all of the following (1) to (6): (1) 25≤a≤35, (2) 55≤b≤75, (3) 197≤a+3b≤251, (4) 30≤c≤35, (5) 35≤d≤45, and (6) 9≤e≤13.

The application discloses a linear drainage ditch for rural areas and a permeation testing method thereof, relates to the technical field of sewage collection, and solves the problems of high use cost and easy damage of the existing concrete drainage ditch for rural areas, reduces the material consumption, and reduces the construction difficulty, and the specific scheme is as follows: the drainage ditch main body is provided with a grid on the groove, the drainage ditch main body is made of a mixed material, the main agent of the mixed material is epoxy resin, the curing agent is modified amine T31 synthesized by phenol, formaldehyde and fatty amine, the diluent is acetone, the toughening agent is dibutyl phthalate, the filler is fly ash, and the aggregate is fine aggregate produced by using construction waste.

This invention discloses a method for preparing a high-temperature positioning tape, comprising the following steps: stirring isooctyl acrylate, isobornyl acrylate, hydroxyethyl acrylate, dibutyl phthalate, methyl methacrylate, and ethyl acetate; gradually heating to 60-70°C, adding azobisisobutyronitrile (AIBN), reacting for 1-3 hours, adding AIBN again and raising the reaction temperature to 75-85°C, reacting for 2-4 hours, and after the reaction is complete, adding ethyl acetate to form a synthetic adhesive; adding an aliphatic isocyanate curing agent and a benzotriazole UV absorber to the synthetic adhesive, adjusting the solid content to 28-32% with an organic solvent, transferring it onto a substrate layer, and curing in an oven. This invention's photovoltaic high-temperature positioning tape improves both the weather resistance of the adhesive itself, enhancing its resistance to yellowing after high-temperature and high-humidity aging, and also increases its adhesive strength.

The invention discloses a protective layer for an installation-free magnetic lamp on an oil field site and a preparation method of the protective layer, and belongs to the technical field of coatings, the protective layer is attached to a magnetic suction plate surface of the installation-free magnetic lamp, a plurality of magnets which are evenly distributed are installed on the magnetic suction plate surface of the installation-free magnetic lamp, and the magnets are neodymium iron boron magnets. The static attraction force of a single magnet is larger than 20 kg, and the protective layer comprises a bottom layer and a stripping layer. The bottom layer is prepared from isocyanate group modified fluorocarbon resin, an NHS (N-Hydroxysuccinimide) activated ester modified mica flake modified nano magnetic powder compound, an ethylene-vinyl alcohol copolymer, n-butyl acetate, dibutyl phthalate, a polycarboxylate dispersing agent and 3-isocyanate group propyl trimethoxy silane; the stripping layer is prepared from isocyanate group modified fluorocarbon resin, acrylate polyol, poly (N-isopropylacrylamide) modified pressure-sensitive viscous microspheres and a silane coupling agent. The problems of oil stain and corrosion are solved.

The invention belongs to the technical field of organic synthesis, and particularly relates to heat-resistant polymethyl methacrylate. The invention relates to a high-temperature-resistant acrylic resin, which is prepared from the following raw materials in parts by weight: 90 to 100 parts of methyl methacrylate, 4 to 6 parts of methacrylic acid polycyclic norbornene ester and / or methacrylic acid isobornyl ester, 2 to 3 parts of methacrylic acid amide, 1 to 5 parts of divinylbenzene, 1 to 2 parts of pentaerythritol stearate / glyceryl tristearate, 1 to 3 parts of dibutyl phthalate, 0 to 15 parts of solvent, 0.1 to 0.5 part of initiator and 0.1 to 0.5 part of chain transfer agent. The heat-resistant polymethyl methacrylate is prepared through the steps of prepolymerization, secondary polymerization and devolatilization extrusion, and vacuum cyclization is achieved through secondary polymerization. The heat resistance and the heat stability of the heat-resistant polymethyl methacrylate are improved, the water absorption rate of the heat-resistant polymethyl methacrylate is reduced, and the application range of the polymethyl methacrylate is expanded.

The application discloses a preparation method of modified coal pitch and a preparation method of carbon material. The preparation method of modified coal pitch comprises the following steps: mixing a plasticizing agent, a synergist and an additive, then adding coal pitch, stirring, heating to 140-160 DEG C, and constant temperature reaction, so that the modified coal pitch is obtained; the plasticizing agent comprises dibutyl phthalate and / or dioctyl phthalate; the synergist comprises one or more of light oil, naphthalene oil, wash oil, phenol oil and anthracene oil; and the additive comprises carboxymethyl cellulose and / or sodium polyacrylate. The application can significantly improve the wettability of the binder coal pitch to the aggregate without reducing the coking value of the coal pitch, makes the modified coal pitch more evenly distributed among the aggregate, and makes the obtained carbon graphite material have lower porosity, higher bulk density and more excellent electrical and mechanical properties, and the carbon graphite material has excellent thermal stability and structural integrity under high-temperature working conditions.

The application discloses a plant salt-tolerance promoting active metabolite separated from a rhizosphere growth-promoting Pseudomonas proteus and application thereof. The metabolite is dibutyl phthalate (DBP) with a molecular formula of C 16 H 22 O4, has the effect of improving the salt tolerance of rice, and obviously increases the plant height, root length, aboveground fresh weight and underground fresh weight of the rice, is stable in effect, and has a good application prospect; and can be used as a preparation for improving the salt tolerance of crops in agricultural green production.

The application discloses a kind of antistatic master batch for film and preparation method thereof, the master batch includes following weight parts raw materials: PP master batch 80-100 parts, modified additive 0.1-0.5 parts, modified filler 3-8 parts, dicumyl peroxide 0.5-0.8 parts and dibutyl phthalate 2-5 parts, in the raw material extrusion process, the double bond on modified additive and modified filler is acted by dicumyl peroxide, and is grafted with polypropylene molecule, the structure containing quaternary ammonium salt on modified additive, the quaternary ammonium group with positive charge in quaternary ammonium salt molecule, can be combined on the surface of material with negative charge by electrostatic adsorption effect, directly neutralize surface static charge, form polyaniline connection between polypropylene molecule and graphene, P electron conjugated structure in polyaniline molecular chain, can form conductive path, so that material has good conductive effect.

The invention discloses a functional current collector with high elongation and tensile strength and a preparation method and application thereof, and relates to the technical field of functional current collectors. According to the invention, polyvinyl chloride, zinc stannate, a calcium-zinc stabilizer and a plasticizer are mixed, and melt extrusion is carried out to obtain a modified polyvinyl chloride film; then magnetron sputtering and water electroplating are carried out, a metal layer is formed on the surface of the film in sequence, and drying is carried out to obtain the functional current collector. Wherein the zinc stannate 2 has two particle sizes; the plasticizer is one or a combination of more of dioctyl phthalate, dibutyl phthalate and poly (1, 2-propylene glycol adipate), and also comprises a cardanol plasticizer; the functional current collector obtained by the preparation method has good tensile strength and high elongation.

This invention discloses an environmentally friendly polyurethane grouting material for leak sealing and its preparation method. The material includes: 1-10 parts of polymethylene polyphenyl isocyanate, 8-15 parts of toluene diisocyanate, 5-10 parts of polyether triol, 40-50 parts of polyether tetraol, 30-45 parts of composite solvent, and 0.01-0.05 parts of inorganic acid. The composite solvent is composed of raw materials in a mass ratio of dibutyl phthalate: dimethyl carbonate: dipropylene glycol dimethyl ether = 1:1:(1-1.5). The method includes: weighing the raw materials; mixing polymethylene polyphenyl isocyanate, toluene diisocyanate, and inorganic acid, stirring and heating to obtain mixture A; dehydrating polyether triol and polyether tetraol under vacuum and then cooling to obtain mixture B; adding mixture A to mixture B, reacting, and then adding the composite solvent to obtain the environmentally friendly polyurethane grouting material for leak sealing. The grouting material prepared by this method has both environmental protection and high water-binding properties, and the raw materials are environmentally friendly.

The invention discloses a preparation method of modified coal pitch and a preparation method of a carbon material, and the preparation method of the modified coal pitch comprises the following steps: mixing a plasticizer, a synergist and an additive, then adding coal pitch, stirring, heating to 140-160 DEG C, and carrying out thermostatic reaction to obtain the modified coal pitch, the plasticizer is prepared from dibutyl phthalate and / or dioctyl phthalate; the synergist comprises one or more of light oil, naphthalene oil, absorber oil, carbolic oil and anthracene oil; the additive comprises carboxymethyl cellulose and / or sodium polyacrylate. According to the invention, on the premise that the coking value of the coal pitch is not reduced, the wettability of the binder coal pitch to the aggregate can be obviously improved, so that the modified coal pitch is more uniformly distributed among the aggregate, and the obtained carbon-graphite material has lower porosity, higher volume density and more excellent electrical and mechanical properties; and the material shows excellent thermal stability and structural integrity under a high-temperature working condition.

The invention relates to the field of chemical material gas storage, and discloses a metal organic framework hydrogen storage material as well as a preparation method and application thereof. The method comprises the following steps: (1) in the presence of a solvent, carrying out mixed reaction on an organic ligand H2-BTDD and a zinc salt to obtain a metal organic framework; (2) mixing the metal organic framework, a binder and a molding agent, and calcining to obtain a hydrogen storage material; the binder is phenolic resin and / or acrylic resin; the molding agent is polyethylene glycol and / or dibutyl phthalate. The metal organic framework hydrogen storage material prepared by the method is high in hydrogen adsorption capacity at normal temperature and has excellent adsorption and desorption stability.

The invention discloses a phthalic acid ester (PAEs) degrading bacterium and application of the phthalic acid ester (PAEs) degrading bacterium. The bacterial strain for degrading the phthalic acid ester is bacillus subtilis FQ12, the preservation number of the bacterial strain is GDMCC NO: 67378, the initial inoculum size OD600 of the bacillus subtilis FQ12 in an MSM liquid culture medium with the pH being approximately equal to 7 is 0.8-1.0, the degradation rate of the bacillus subtilis FQ12 on dibutyl phthalate (DBP) is close to 100% after shaking culture is conducted for 8 h, and the bacterial strain also has certain degradation capacity on multiple PAEs; the degradation effect on DBP can reach 80% or above under the conditions that the temperature is 28-37 DEG C and the pH value is 6-9, and the strain has good adaptability to the environment and can play an important role in environmental restoration.

This invention relates to the fields of agricultural biotechnology and environmental remediation technology, specifically to a novel, highly efficient, and safe formulation for promoting plant growth and degrading soil phthalates, and its application. The formulation comprises (R)-5-hydroxymethyldihydrofuran-2-one and water. Experiments have shown that (R)-5-hydroxymethyldihydrofuran-2-one, at a concentration of 0.01 mM, has a significant growth-promoting effect on cruciferous vegetable Chinese flowering cabbage (Pachira aquatica), while simultaneously accelerating the degradation of dibutyl phthalate (DBP) in the soil, achieving a dual function. Experiments also show that applying 0.01 mM of A-like to DBP-contaminated soil significantly increases the plant height, root length, and biomass of Chinese flowering cabbage, promotes earlier flowering, and reduces the residual amount of DBP in the soil by 77.2%, with a degradation promotion rate exceeding 62%.

This invention discloses a peelable spray-type rust inhibitor for high-gloss and mirror-finish molds and its manufacturing method, comprising the following raw materials in parts by weight: 8-10 parts film-forming resin; 1-1.8 parts epoxy resin; 1-1.8 parts dibutyl phthalate; 1-1.4 parts castor oil; 37-45 parts isopropanol; 37-45 parts xylene; 10-15 parts lanolin; and 15-20 parts rust-inhibiting paste. This invention employs a compound system of film-forming resin, epoxy resin, and rust-inhibiting paste, exhibiting strong film-forming and adsorption properties. It effectively isolates moisture and oxygen in the air from contact with the mold metal, providing long-lasting and stable rust protection for high-gloss and mirror-finish molds, preventing mold corrosion from affecting precision and surface finish.

The invention provides an endophytic acinetobacter (Acinetobacter sp.) Sb2-4 and application of the endophytic acinetobacter (Acinetobacter sp.) Sb2-4, and belongs to the technical field of microorganisms. The endophytic acinetobacter (Acinetobacter sp.) Sb 2-4 is preserved in the China Center for Type Culture Collection on December 1, 2025, the preservation number is CCTCC NO: M20252724, and the 16S rRNA sequence is shown as SEQ ID NO.1. The endophytic acinetobacter can be used for degrading diethyl phthalate, dibutyl phthalate and butyl benzyl phthalate at the same time, and the effect of a biological treatment means of PAEs is improved.

The invention relates to the technical field of fumigants, and particularly discloses a fumigant for storage protection as well as a preparation method and application of the fumigant. The invention discloses a fumigant for storage protection. The fumigant comprises an insecticidal component and a slow-release component, the insecticidal component is mainly prepared from the following raw materials in parts by weight: 100 to 120 parts of carbon dioxide, 20 to 35 parts of nitrogen, 30 to 60 parts of sulfuryl fluoride, 5 to 10 parts of methyl isothiocyanate, 2 to 5 parts of chlorine and 1 to 3 parts of dibutyl phthalate; the slow-release component is mainly prepared from the following raw materials in parts by weight: 80-100 parts of water, 50-60 parts of glycerol, 20-30 parts of dimethyl sulfoxide, 10-18 parts of polyethylene glycol, 15-30 parts of a slow-release agent and 2-5 parts of a surfactant; the fumigant for storage protection has the advantages of slowly releasing and maintaining the concentration of sulfuryl fluoride for a long time.

The utility model discloses a system for measuring the content of chloride ions in urea for a power plant, which is characterized in that a heater is positioned on a weighing sensor, a measuring reaction cup is positioned on the heater and is of a transparent structure, and a liquid level sensor and a color sensor are arranged on the outer wall of the measuring reaction cup; a stirrer and a temperature sensor are arranged in the measuring reaction cup, and a sample adding hopper is arranged at the top of the measuring reaction cup; an outlet of the high-purity water tank, an outlet of the nitric acid solution tank, an outlet of the silver nitrate solution tank, an outlet of the dibutyl phthalate tank, an outlet of the ammonium ferric sulfate solution tank and an outlet of the ammonium thiocyanate solution tank are communicated with the measurement reaction cup. The system can accurately measure the content of chloride ions in urea.

This invention relates to the field of reinforcement materials technology, specifically to a mine reinforcement grouting material and its preparation method. The raw materials for preparing the mine reinforcement grouting material include the following components in parts by weight: 10-15 parts of polyethyleneimine-grafted silane coupling agent KH560 modified nano-silica, 30-50 parts of triglycidyl isocyanurate-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide-polypropylene glycol composite prepolymer, 40-60 parts of water glass, 0.2-0.3 parts of dimethylaminoethoxyethanol, and 10-16 parts of dibutyl phthalate. The polyethyleneimine-grafted silane coupling agent KH560 modified nano-silica is abbreviated as PEI-KH-SiO2, and the triglycidyl isocyanurate-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide-polypropylene glycol composite prepolymer is abbreviated as TGIC-DOPO-PPG. The present invention also provides a method for preparing the aforementioned reinforced grouting material, wherein the prepared grouting material has good mechanical properties and flame retardant properties.

The invention relates to the field of glue preparation, in particular to a high-strength glue preparation system and method.The high-strength glue preparation method comprises the following steps that S1, water and polyvinyl alcohol are added into a mixing device, raw materials are made to flow back and forth to be fully stirred and mixed till the polyvinyl alcohol is completely dissolved, and a mixed solution A is obtained; s2, under the stirring condition, adding part of the emulsifier into the mixed solution A, then slowly adding vinyl acetate and an initiator, and continuously stirring to obtain a mixed solution B; s3, after the mixed solution B is cooled, adding sodium bicarbonate, dibutyl phthalate, diethylene glycol dibenzoate, octanol and isopropanol under a stirring condition, and uniformly mixing to obtain a mixed solution C; and S4, adding the residual emulsifier, allyl methacrylate, glycol dimethacrylate and toluene diisocynate into the mixed solution C, uniformly stirring and mixing, preserving heat at 45 DEG C, and cooling to room temperature to obtain the high-strength glue. The mixing device is used for enabling raw materials to flow back and forth to be fully stirred and mixed.

This invention describes a modified silicate-polyurethane two-component grouting reinforcement material, comprising component A and component B, which are mixed in a 1:1 volume ratio before use. Component A, by mass percentage, consists of the following components: water glass: 94%; glycerol: 1%; glyceryl ester compounds: 1%; silane coupling agent: 1%; water: 3%. Component B, by mass percentage, consists of the following components: polymethylene polyphenyl polyisocyanate PM-200: 65%; dibutyl phthalate (DBP): 35%. This invention utilizes the synergistic effect of glyceryl ester compounds and silane coupling agents. The glyceryl ester compounds reduce the interfacial tension between the aqueous and oil phases and promote the uniform dispersion of the silane coupling agent. The silane coupling agent forms a chemical bridge between the inorganic and organic phases, enabling the originally incompatible aqueous and oily agents to form a homogeneous and compatible system. The resulting solidified body has a compressive strength of 24.6 MPa and a bond strength of 3.8 MPa, making it suitable for seepage prevention and sealing in underground engineering and for surrounding rock reinforcement.