82results about How to "Improve thixotropy" patented technology

The invention provides a myriameter deep oil-gas wall-fixing type water-based drilling fluid as well as a preparation method and application thereof, and belongs to the technical field of drilling fluids. The myriameter deep oil gas wall-fixing type water-based drilling fluid is prepared from the following raw materials in parts by weight: 100 parts of water, 1-5 parts of a modified clay shear strength improving agent, 2-4 parts of a hydrophobic association polymer flow pattern regulator, 3-8 parts of a blocking agent, 2-5 parts of a hyperbranched polymer filtrate reducer and 1-3 parts of a cementation blocking type wall-fixing agent. The invention also provides a preparation method of the drilling fluid. The components such as the flow pattern regulator, the plugging agent, the filtrate reducer and the wall-fixing agent are mutually matched and synergistic, so that the drilling fluid can keep good rheological, filtration, plugging and inhibition performances for a long time under the conditions of 240 DEG C and saturated salt, has a strong wall-fixing effect, can effectively maintain the stability of the well wall of an oil-gas well in the depth of 10,000 meters, and has a wide application prospect. And well collapse, well leakage, blowout and other complex well drilling are prevented, and the drilling tool can be used for drilling oil and gas wells with the depth of ten thousand meters.

The invention discloses thixotropic pure inorganic gel with adjustable physical properties as well as a preparation method and application of the thixotropic pure inorganic gel. The pure inorganic gel comprises loosely assembled nanorod assemblies and a solution for dispersing the loosely assembled nanorod assemblies, the nanorod assembly comprises an inorganic one-dimensional nanorod and anions capable of participating in the assembly of the inorganic one-dimensional nanorod; the inorganic one-dimensional nanorod at least contains rare earth metal elements. Compared with inorganic gel materials with other morphologies, the inorganic thixotropic gel disclosed by the invention can generate physical structure change through self-assembly of the inorganic one-dimensional nanorods, and has a relatively good physical property adjustment basis. And secondly, the inorganic one-dimensional nanorod can form an assembly through ions without additionally adding a surface modification reagent, the change of physical properties can be realized without replacing ligands, and the inorganic one-dimensional nanorod has extremely high advantages in various applications.

The invention discloses a springback inhibitor for sprayed concrete as well as a preparation method and application of the springback inhibitor. The rebound inhibitor is prepared from the following components in percentage by mass: 2-5% of magnesium aluminum silicate, 19.8-29.8% of silica fume, 1-4% of a macromolecular tackifier, 2-5% of aluminum sulfate slag powder, 38-51% of superfine stone powder, 9-16% of fly ash microspheres, 1-2% of a water reducing agent, 2-3% of redispersible milk powder, 2-5% of inorganic mineral fibers and 0.01-0.2% of modified plant fibers. The springback inhibitor disclosed by the invention has a remarkable effect on reducing the springback rate of the sprayed concrete, and can enhance the water dispersibility resistance of the sprayed concrete and improve the cohesiveness of the sprayed concrete. The preparation method disclosed by the invention is simple in industry and easy for large-scale production.

The invention relates to a sunscreen synergistic composition and application thereof. The sunscreen synergistic composition is prepared from a sphingomonas fermentation product extract, wax powder, a dextrin thickener and butyl octanol salicylate, the dextrin thickening agent is prepared from dextrin palmitate and / or dextrin palmitate / ethyl hexanoate. The invention creatively finds that the four components, namely the sphingomonas fermentation product extract, the wax powder, the dextrin thickener and the butyl octanol salicylate, can interact and positively influence one another, and have a synergistic promotion effect which is unexpected by technicians in the field in the aspect of sunscreen synergism. The sunscreen synergistic composition provided by the invention is very suitable for skin care products, mild, non-irritant and good in stability.

The invention relates to the technical field of conductive silver paste, and discloses high-thixotropy conductive silver paste and a preparation method thereof. The prepared conductive silver paste is prepared by taking spherical silver powder and modified flake silver powder as a conductive phase and glass powder as an inorganic binding phase, and adding an organic carrier, mixing and stirring. Compared with the flake silver powder, the modified flake silver powder has better conductivity, and has better and more stable dispersity in a matrix; the modified polyurea and the hydroxy acrylic resin are introduced into the organic carrier, and the thixotropy and the adhesive force of the silver paste are improved through the synergistic effect of the modified polyurea and the hydroxy acrylic resin. Therefore, the conductive silver paste has good application prospects in the fields of electronic products, solar cells and the like.

The invention belongs to the technical field of sealants, and particularly relates to a dealcoholized organosilicon sealant as well as a preparation method and application thereof. The organic silicon sealant is prepared from alpha, omega dihydroxy polydimethylsiloxane, a flame retardant, a cross-linking agent, a coupling agent and a catalyst, the flame retardant comprises aluminum hydroxide, aluminum hypophosphite and silica powder; the coupling agent is prepared from gamma-aminopropyl triethoxy silane, gamma-(2, 3-epoxypropoxy) propyl trimethoxy silane and bis-(gamma-trimethoxy silylpropyl) amine; the cross-linking agent is prepared from methyl trimethoxy silane, methyl vinyl dimethoxy silane and methyl triethoxy silane; the catalyst comprises ethyl acetoacetate and diisobutyl titanate. The flame retardant, the coupling agent and the cross-linking agent are compounded by adopting specific substances, meanwhile, specific types of catalysts are adopted, and all the components have a synergistic effect, so that the organic silicon sealant has good flame retardant property, mechanical property and adhesive property at the same time and is not prone to yellowing.

The invention relates to the technical field of epoxy adhesives, in particular to a room-temperature-curing high-temperature-resistant heat-conducting epoxy adhesive and a preparation method thereof. Comprising a component A and a component B. The component A comprises, by weight, 60-135 parts of epoxy resin, 10-30 parts of a flexibilizer, 30-85 parts of a filler and 2-15 parts of an auxiliary agent, and the component B comprises, by weight, 40-90 parts of an amine curing agent, 10-30 parts of high-temperature-resistant resin, 30-60 parts of a filler and 2-12 parts of an additive. The epoxy resin comprises bisphenol A epoxy resin, novolac epoxy resin, polyurethane modified resin and multifunctional epoxy resin. The product has good mechanical properties and excellent temperature resistance, and the toughening agent and the resin powder are reasonably matched to ensure that the product has excellent impact resistance and temperature resistance. A plurality of amine curing agents are reasonably matched, so that the product can be cured at room temperature and used at high temperature, and meanwhile, the temperature resistance of the product is further improved by adding the high-temperature-resistant resin.

The invention relates to the technical field of oil and gas well development, in particular to a temperature-resistant thixotropic agent and a preparation method and application thereof. The preparation method comprises the following steps: carrying out graft modification on diquat glue by adopting acrylic acid and N-vinyl pyrrolidone to obtain modified diquat glue; and compounding the modified diquat and aluminum-magnesium silicate to prepare the temperature-resistant thixotropic agent. The temperature-resistant thixotropic agent prepared by the invention can remarkably improve the thixotropic property of magnesium oxychloride cement in a high-temperature environment of an oil and gas well, effectively improve the rheological property of cement paste, enhance the retention capacity of the cement paste in cracks, improve the plugging stability and the like, and has a wide application prospect in oil and gas well engineering. And powerful support is provided for solving the well leakage problem of the fractured formation in the oil and gas well drilling process.

The invention discloses a sensing optical cable for detecting vibration, and belongs to the technical field of communication cables, the sensing optical cable for detecting vibration comprises an inner layer sensing optical fiber, a TPEE sleeve, an inner layer water-blocking fiber paste, a PBT sleeve, an outer layer water-blocking fiber paste and an outer sheath in sequence from inside to outside; the inner-layer water-blocking fiber paste and the outer-layer water-blocking fiber paste are both optical fiber filling paste; the optical fiber filling paste is prepared from paraffin-based hydrogenated white oil, poly-alpha-olefin synthetic oil, epoxy vinyl silicone oil, an oil separation inhibitor, a polyisobutene material, siloxane modified polyvinyl alcohol, organic ammonium modified bentonite, ferric acetylacetonate and an antioxidant. The sensing optical cable for detecting vibration is simple in structure, has excellent mechanical strength, toughness, gas barrier property, waterproofness, corrosion resistance, high and low temperature resistance, wear resistance, aging resistance, flame retardance and the like, can still ensure high stability and high sensitivity of optical fiber vibration detection in harsh environments such as underwater or underground, and prolongs the service life of the sensing optical cable.

The present invention relates to the technical field of nano calcium carbonate, and in particular to a single-component dealcoholized nano calcium carbonate for silicone adhesive and a preparation method thereof. The preparation method comprises the following steps: S1, carbonizing Ca(OH)2 refined slurry to obtain a carbonized liquid; S2, heating the carbonized liquid to 55-75°C, adding a modifier I for modification, obtaining a nano calcium carbonate slurry, and obtaining a nano calcium carbonate powder after filter pressing and drying; S3, modifying the nano calcium carbonate powder with a modifier II to obtain a dealcoholized nano calcium carbonate for silicone adhesive; the modifier I is composed of C 16 ‑C 20 One of fatty acid and its salt, sulfonate and its ester, and advanced phosphate is mixed with chelated titanate coupling agent in a mass ratio of 2-4:1; modifier II is mixed with titanate coupling agent and silane coupling agent. The one-component dealcoholized silicone adhesive prepared from nano calcium carbonate has excellent properties of low modulus, high elongation, high adhesion and high storage stability.

The present application relates to the field of foaming glue, and in particular to a polyurethane foaming glue and a preparation method thereof. The polyurethane foaming glue comprises components A and B; the raw materials of component A are 65-85 parts of polyol composition, 2-5 parts of chain extender, 10-20 parts of flame retardant, 10-15 parts of functional particles, 2-5 parts of thixotropic agent, 0.3-1 parts of catalyst, 1.5-3 parts of foam stabilizer, 1-2 parts of deionized water, 0.4-0.8 parts of antioxidant, and 1.5-2.5 parts of auxiliary agent in parts by mass; the raw materials of component B are 45-55 parts of polyisocyanate and 45-55 parts of functional polymer in parts by mass. The polyurethane foaming glue prepared in the present application is halogen-free and phosphorus-free, environmentally friendly and flame-retardant. Through the design of high viscosity and high thixotropy, it effectively meets the industrial needs of gluing on planes and inclined surfaces, greatly improves its water absorption rate, improves waterproof sealing and mechanical property retention rate, and has very excellent application prospects.

The invention discloses a traditional Chinese medicine composition and application thereof. Relates to the technical field. The invention provides application of the traditional Chinese medicine composition, an astragalus membranaceus and cassia twig five-material decoction extracted concentrated solution, an astragalus membranaceus and cassia twig five-material decoction nanoemulsion, an astragalus membranaceus and cassia twig five-material decoction gel plaster and the like. Aiming at the active ingredients of the optimized traditional Chinese medicine composition, the invention develops a nano-emulsion gel plaster preparation for relieving diseases such as muscle pain and rheumatic arthritis. The O / W nano-emulsion technology is used for achieving efficient loading of hydrophilic and hydrophobic functional substances in the radix astragali and cassia twig five-material decoction and the skin penetrating capacity of the hydrophilic and hydrophobic functional substances in the radix astragali and cassia twig five-material decoction. The nanoemulsion is uniformly dispersed in a three-dimensional network structure formed by absorption and swelling of polyacrylic acid, so that the medicine can be slowly and stably released, and the phenomenon of unstable crystallization caused by thermodynamic movement of supersaturated medicine molecules can be hindered. In addition, the gel plaster has a good moisturizing effect and is good in skin attaching feeling and excellent in swelling performance and thixotropic performance.

The invention relates to a cathodic disbonding resistant coating which comprises a component A and a component B. The mass ratio of the component A to the component B is 20: (3-5). The component A comprises the following components in parts by weight: 25-31 parts of bisphenol A epoxy resin; 4-5 parts of a reactive diluent; 0.5 to 1.5 parts of an anti-sagging auxiliary agent; 0.3 to 0.8 part of a dispersant; 8 to 12 parts of titanium dioxide; 2-5 parts of iron oxide red; 5-8 parts of an anti-rust pigment; 2-3 parts of polyamide wax; 28-37 parts of a functional filler; the component B is phenolic aldehyde amine resin; the cathodic disbonding resistant coating disclosed by the invention is simple in preparation method, excellent in corrosion resistance, capable of being thickly coated and suitable for a long-term application environment.

The invention relates to a high-hardness galvanized plate and a preparation method thereof, and belongs to the technical field of galvanized plates. The nano coating of the high-hardness galvanized sheet with the nano coating comprises the following components: silicon dioxide, zinc oxide, aluminum triphosphate, 1-methyl hydantoin-2-imide, tert-butyl sulfonamide, polystyrene-acrylic acid allyl ester, epoxy resin, polyurethane resin and the like. All the components are matched for use according to a specific proportion, so that the coating has good coating homogeneity, good adhesive force and outstanding corrosion resistance and aging resistance, and the service life of the nano-coating galvanized sheet can be effectively prolonged; the designed steel plate components have high hardness and good use performance, and the service life can be well prolonged when the steel plate components are matched with a plating layer and a coating.

The invention provides an epoxy resin composition and an epoxy sealant, and relates to the technical field of epoxy adhesives. The epoxy resin composition comprises the following components in parts by weight: 100 parts of epoxy resin, 3-10 parts of a first thixotropic agent and 1-10 parts of a second thixotropic agent, the first thixotropic agent is selected from one or a combination of two of fumed silica and organic bentonite; and the second thixotropic agent is double-end epoxy polyether. The epoxy resin composition provided by the invention has better thixotropy and lower vertical sag, and can avoid the phenomenon of glue leakage during operations such as potting and extrusion.

The invention discloses electrode paste for a heterojunction solar cell and a preparation method of the electrode paste, belongs to the technical field of electronic paste, and is used for solving the technical problems that the conductivity of the electrode paste for the heterojunction solar cell prepared in the prior art cannot be remarkably improved, and the wear resistance and the corrosion resistance are poor. The electrode paste for the heterojunction solar cell disclosed by the invention comprises modified silver powder, binding phase glass powder and an organic carrier (comprising an organic solvent, a binding agent and a thixotropic agent). The modified silver powder is added with a modified additive, so that the wear resistance, corrosion resistance and conductivity of the modified silver powder are improved. Wherein the modified additive is prepared from perfluorooctanethiol which is intercalated and grafted with graphene oxide.

The invention discloses an organic carrier suitable for TopCon solar cell main grid silver paste fine line printing. The organic carrier comprises the following raw materials in percentage by mass: 60-80% of a solvent, 2-8% of a thixotropic agent, 2-30% of thickening agent resin and 1-5% of a dispersing agent, wherein the solvent comprises one or more of butyl carbitol, dodecanol, cetyl alcohol, butyl carbitol acetate, diethylene glycol monohexyl ether, propylene glycol phenyl ether acetate and dimethyl adipate. The invention relates to the technical field of solar cells. According to the organic carrier suitable for TopCon solar cell main grid silver paste fine line printing, the solvent serves as another important component of the organic carrier, the type and the proportion of the solvent have important influences on the printing effect of the silver paste and the cell performance, and by deeply researching the physicochemical properties of different solvents and the influences of the solvents on the silver paste performance, the printing effect of the silver paste is improved. Meanwhile, the adhesive force and the flexibility of the organic carrier are optimized by regulating and controlling the variety and the dosage of the resin.

The application discloses a sodium-ion battery electrolyte with a flame-retardant function and a preparation method and application thereof, and comprises the following components in parts by weight: 80-100 parts of a solvent, 18-26 parts of a sodium salt and 1-10 parts of an enhanced flame retardant; the preparation raw materials of the enhanced flame retardant comprise modified nano silicon dioxide; the preparation raw materials of the modified nano silicon dioxide comprise nano silicon dioxide, tannic acid and polyethylene imine. The application provides the sodium-ion battery electrolyte with the flame-retardant function and the preparation method and application thereof; the nano silicon dioxide has good thixotropy, fluidity and thickening property; the organic solvent can improve the dispersibility of the nano silicon dioxide in the electrolyte, makes the electrolyte more stable, and has excellent flame-retardant property.

The invention discloses a continuous fiber reinforced polyimide structure type core material composite material and a 3D printing method thereof.The method comprises the steps that firstly, a polyamide acid salt solution is adopted for preimpregnation of continuous fiber tows, and continuous fibers are transferred to a printing nozzle for printing of a continuous fiber layer; the viscosity of the polyamide acid hydrogel is adjusted, the extrusion amount of glue solution printing is adjusted, a core material printing path is adjusted in combination with a 3D printing control system, volatile solvents in resin are removed through an external heat flow source, partial curing of the resin is completed, and a polyimide structure type core material preformed body is printed in a sizing mode; and finally, obtaining a continuous fiber reinforced polyimide structure type core material composite material preform by adopting a 3D printer, and heating and curing to obtain the continuous fiber reinforced polyimide structure type core material composite material. The composite material has the characteristics of excellent heat resistance, mechanical corrosion resistance and chemical corrosion resistance, good printing quality and high working efficiency, and is suitable for the fields of aerospace, automobiles, ships, semiconductors and the like.

This application discloses a toothpaste thickening composition, a method for preparing the thickening composition, a toothpaste containing the thickening composition, and the application of the thickening composition in toothpaste preparation. The thickening composition includes a thickener and a humectant, and the thickener includes microcrystalline cellulose and carboxymethyl cellulose salt. The thickening composition of this application can improve the properties of toothpaste and has good versatility, making it suitable for various toothpaste formulations. This can help improve the efficiency of toothpaste product development and production, and the prepared toothpaste provides a good user experience.

The invention relates to the technical field of concrete, and particularly discloses a cement-based reinforcing thickener for dry-mixed mortar. The cement-based reinforced thickening agent for the dry-mixed mortar is prepared from the following raw materials in percentage by mass: 60 to 75 percent of Portland cement, 15 to 25 percent of fine aggregate, 5 to 10 percent of composite thickening agent, 3 to 4 percent of composite fiber and 1 to 2 percent of retarder, the composite thickening agent comprises a polycarboxylic acid type water reducing agent and modified cellulose ether, and the mass ratio of the polycarboxylic acid type water reducing agent to the modified cellulose ether is (1-1.5): 2. The cement-based reinforcing thickening agent for the dry-mixed mortar has the advantage of realizing collaborative optimization of multiple functions such as water reduction and reinforcement, thickening and water retention, crack resistance and shrinkage resistance in the dry-mixed mortar.

The invention relates to the technical field of binders (IPC classification number: C09J), in particular to a preparation process of a polyimide binder, a product and application. The preparation method of the polyimide binder comprises the following steps: S1, preparing a soft segment intermediate; s2, preparing a hard segment intermediate; s3, mixing the soft-segment intermediate and the hard-segment intermediate, adding a carboxyl-containing compound into the mixture, and reacting to obtain a polyimide binder; and the preparation raw materials of the soft-segment intermediate and the hard-segment intermediate comprise diisocyanate. Through ingenious structural design, the polyimide binder is prepared by polymerization reaction of the soft-segment intermediate and the hard-segment intermediate, carboxyl is introduced into a polymer structure, the peel strength of the binder is effectively improved, and the thixotropy and the stability of the positive electrode slurry are improved.

The present invention relates to the technical field of silver paste for solar cells, and specifically to a method for preparing silver powder silver paste for heterojunction solar cells, which specifically comprises the following steps: 1) fully mixing and stirring an organic resin and a solvent; 2) sequentially adding a curing agent, a diluent and a accelerator, mixing and stirring to obtain an organic carrier mixture; 3) fully mixing the organic carrier mixture, a conductive silver powder and a conductive silver nanomaterial, and then adding a wetting dispersant to obtain a silver paste; 4) filtering the silver paste and then encapsulating it. The silver powder silver paste prepared in the present invention has good leveling, thixotropy and printability. Through the adjustment and combination of different epoxy resins, the organic carrier has good coating of the conductive silver powder and the conductive silver nanomaterial and the infiltration of the substrate. After curing, it shows good substrate adhesion performance and good conductivity, so that the solar cell has excellent electrical performance and photoelectric conversion efficiency, and the performance of the solar cell is enhanced.

The invention provides heat-resistant high-transmittance silk-screen printing ink and application thereof. The ink comprises benzene-ring-free epoxy resin, an anhydride curing agent, an accelerant, filler and a solvent, wherein the molar ratio of epoxy groups in the benzene-ring-free epoxy resin to anhydride groups in the anhydride curing agent is 1: (1-0.4). Therefore, the ink has excellent UV resistance and heat resistance, and is good in silk screen and high in light transmittance.

This invention provides a high-strength, anti-segregation self-compacting concrete, its preparation method, and its application, belonging to the field of tunnel and underground engineering technology. This invention utilizes steel fibers to prevent aggregate settlement, while polymer fibers tend to distribute in the upper slurry. Simultaneously, the surface structure of both steel and polymer fibers increases the mechanical interlocking force between the fibers and the slurry, effectively resisting the settling tendency of fibers and coarse aggregates. A cationic viscosity modifier imparts excellent thixotropic properties to the concrete, effectively locking in aggregates and moisture, preventing segregation, and achieving high flowability and high stability. Water glass reduces the impact of hardening shrinkage on concrete performance, improving its crack resistance and durability. Water glass also enhances the compatibility of aggregates with other raw materials. The "discontinuous gradation" strategy reduces the mechanical interlocking force of particles during mixing, causing a sharp drop in resistance during concrete flow, and then maintaining uniformity through frictional self-locking when stationary, thus improving its stability.

The invention relates to the technical field of new materials and application thereof, in particular to a low-thermal-resistance interface material with high vertical application reliability and a preparation method of the low-thermal-resistance interface material. The invention discloses a low-thermal-resistance interface material with high vertical application reliability. The low-thermal-resistance interface material is prepared from the following components in percentage by mass: 0.3 to 2 weight percent of thermoplastic elastomer, 0.8 to 3 weight percent of hydrocarbon tackifying resin, 0.5 to 1.2 weight percent of antioxidant, 3 to 5 weight percent of plasticizer and the balance of modified heat-conducting filler, the modified heat-conducting filler comprises modified aluminum powder and modified zinc oxide. The low-thermal-resistance interface material with high vertical application reliability is used for solving the problems that the thermal resistance is increased and the heat dissipation capability is reduced due to the fact that an existing heat-conducting interface material is prone to a vertical flow gliding phenomenon due to the influence of factors such as material viscosity and too low cohesion or too fast phase change viscosity reduction of the material and the gravity effect. The low-thermal-resistance interface material not only has higher thermal conductivity and extremely low thermal resistance in the use process, but also has excellent vertical application reliability and cracking and gliding resistance.

The invention discloses a phenolic epoxy anticorrosive coating and a preparation method and application thereof, and belongs to the technical field of anticorrosive coating. The anticorrosive coating comprises component A and component B, wherein component A comprises phenolic epoxy resin, wetting dispersant, adhesion promoter, thixotropic agent, pigment, filler, solvent A, and component B comprises Mannich base curing agent and solvent B; wherein the phenolic epoxy resin is composed of phenolic epoxy resin and bisphenol A epoxy resin, the wetting dispersant is composed of copolymer containing acidic group and modified polyurethane, the adhesion promoter is composed of titanate and aromatic polyether polyol, the thixotropic agent is composed of organic bentonite and polyamide wax slurry, the pigment is composed of color pigment and zinc phosphate antirust pigment, and the filler is composed of hydrophobic filler and precipitated barium sulfate. The anticorrosive coating of the invention has excellent resistance to moisture and heat, corrosion resistance, temperature change cycle resistance, flexibility and adhesion, and can provide long-term protection for the metal substrate under the insulation layer.

The invention belongs to the technical field of implantation medical instruments, and relates to a low-migration high-transparency anti-adhesion medical PVC (polyvinyl chloride) paste as well as a preparation method and application thereof. The low-migration high-transparency anti-adhesion medical PVC paste comprises the following main components: 100 parts of anti-adhesion PVC resin powder, 60-100 parts of a plasticizer, 1-3 parts of a stabilizer, 0.4-0.7 part of a defoaming agent and 0.1-0.4 part of a rheological additive. The preparation method comprises the following steps: firstly, uniformly mixing the plasticizer, the stabilizer and the defoaming agent to obtain a mixture A; adding anti-adhesion PVC resin powder into the mixture A, and uniformly mixing to obtain a mixture B; and finally, adding a rheological additive into the mixture B, uniformly mixing, filtering to remove impurities, and fully and uniformly mixing in vacuum, so that the preparation method is simple and easy to operate. The paste is injected into a trachea cannula provided with a spring and is heated and cured to obtain a reinforced trachea cannula, so that the catheter can be endowed with excellent anti-adhesion and antibacterial properties, and the clinical infection risk is greatly reduced; the hydrophilic property is high, and the clinical user experience is improved.

The invention provides a high-flexibility tear-resistant epoxy structural adhesive as well as a preparation method and application thereof. The epoxy structural adhesive is prepared by mixing a component A and a component B, on the basis of the total weight of the component A, the component A comprises the following components in percentage by weight: 34-70% of modified epoxy resin, 5-30% of bisphenol A type epoxy resin, 2-6% of benzyl alcohol, 8-15% of an epoxy reactive diluent, 0.2-1.5% of a defoaming agent, 1-5% of a thixotropic agent, 5-40% of filler and 1-4% of epoxy color paste; on the basis of the total weight of the component B, the component B comprises the following components in percentage by weight: 55-75% of polyether amine, 5-15% of bisphenol A epoxy resin, 5-10% of benzyl alcohol and 10-20% of dodecylphenol. The mixing mass ratio of the component A to the component B is (3.7-7): 1. The modified epoxy resin and the bisphenol A epoxy resin are compounded, and an optimized curing system is combined, so that the flexibility and the tear resistance of the structural adhesive are remarkably improved while the high strength of the epoxy resin is maintained, and the structural adhesive is suitable for structural bonding in the fields of buildings, automobiles, electronics and the like.

The invention relates to the field of hair dyes, in particular to a hydrogen peroxide mixed solution for a hair dye and a preparation method thereof.The hydrogen peroxide mixed solution is prepared from, by mass, 68-70 parts of an aqueous phase solution, 0.4-0.5 part of a gel matrix, 24-26 parts of self-made shampoo and 5-6 parts of a hydrogen peroxide aqueous solution; according to the invention, the aqueous phase solution composed of specific buffering and curing components, the gel matrix with thickening and stabilizing effects, the mild self-made shampoo carrier and the core oxidant are precisely compounded, so that the obtained mixed solution can maintain efficient oxidation performance, and at the same time, the storage stability and the mildness during use are obviously improved; according to the present invention, with the application of the composition, the thixotropy and the smearing experience of the paste are effectively improved, the process reproducibility is good, the product quality is uniform, the organic combination of the oxidation function and the hair care function is achieved, and the composition is suitable for various oxidation type hair dyes, and has wide application prospects in home and professional hair dyeing markets.