633 results about "Antifoam agent" patented technology

The invention belongs to the field of functional composite materials, and particularly relates to low-viscosity and high-dispersity aluminum oxide slurry and a preparation method thereof.The low-viscosity and high-dispersity aluminum oxide slurry is prepared from a newly-designed phosphono-carboxyl block copolymer and biquaternary ammonium salt polyether silane as composite modifiers; and efficient anchoring and stable dispersion of the surfaces of alumina particles are realized through the synergistic effect of molecular structures. The phosphono-carboxyl block copolymer is prepared through controllable polymerization and deprotection reaction, and strong chemical bonding is formed between a phosphono group and the surface of aluminum oxide; the biquaternary ammonium salt polyether silane is subjected to click chemical synthesis, and electrostatic adsorption of quaternary ammonium salt and the steric hindrance effect of a polyether chain are combined. When the slurry is prepared, the two modifiers are sequentially added into water, the aluminum oxide powder is added after the pH value is adjusted, finally, the isobutylene maleic anhydride copolymer and the defoaming agent are introduced, and the slurry is obtained through vacuum defoaming and filtering. The slurry prepared by the method has the characteristics of high solid content, low viscosity and good dispersion stability.

The invention discloses a fracturing imbibition system for refracturing a low-permeability tight oil reservoir and a preparation method of the fracturing imbibition system, and belongs to the technical field of fracturing fluids, the fracturing imbibition system comprises: an acid liquid base fluid: hydrochloric acid, hydrofluoric acid, EDTMPS and deionized water; an amphoteric betaine viscoelastic surfactant; biologically modifying the nanoparticles; a Gemini cationic surface active agent; a corrosion inhibitor; and an organic silicon defoaming agent and a fluorocarbon discharge aiding agent. According to the fracturing imbibition system, through the integrated design of the multifunctional surfactant, the problems that a traditional acid fracturing fluid is insufficient in silicate mineral dissolving capacity, high-temperature viscosity is attenuated, and corrosion inhibitor dependence is caused are solved.

The invention relates to the technical field of controlled-release microcapsules, and particularly discloses a pH-responsive mold-targeted controlled-release essence microcapsule for daily chemicals and a preparation method thereof.The preparation method comprises the following steps that S1, chitosan is dissolved with an acid solution, a catalyst and a pH sensitive reagent are added under the protective atmosphere for a reaction, and a pH-responsive graft copolymerization product is obtained through separation and purification; s2, mixing the pH response graft copolymerization product, a cross-linking agent and a mould targeting reagent for reaction, and dialyzing and purifying to obtain a microcapsule wall material; and S3, emulsifying essence by using an emulsifier, and then adding a defoaming agent, the microcapsule wall material, the sodium tripolyphosphate aqueous solution and a pH regulator to prepare the pH-responsive mold-targeted controlled-release essence microcapsule for daily use. The microcapsule integrates specific recognition targeting ability and pH response release ability to mould, and can accurately release natural essence with bacteriostatic and aromatic functions at the mould breeding part of clothes, so that the dual effects of bacteriostasis and aroma retention are realized.

This invention relates to the field of pesticide technology, particularly to the field of IPC A01N, and more specifically, to a dry suspension concentrate of metalaxyl-mancozeb and its preparation method. By weight percentage, the raw materials are: 10-72% mancozeb technical grade, 1-10% metalaxyl technical grade, 7-35% surfactant, 5-20% disintegrant, 0.1-2% defoamer, and filler to 100%. The metalaxyl-mancozeb dry suspension concentrate of this invention employs multi-stage grinding to control the particle size of the suspension concentrate to below 5μm, the suspension rate to ≥90%, and the moisture content to below 2.0%. It features strong atomization and dispersibility, rapid wetting, high suspension rate, strong penetration, and non-degradation at room temperature. In use, it reduces pesticide usage while improving control efficacy.

The invention relates to the technical field of waste gas treatment, and particularly discloses waste gas treatment liquid for treating large-air-volume low-concentration waste gas through a water-based method. The waste gas treatment liquid for treating the large-air-volume low-concentration waste gas through the water-based method comprises a surfactant, a defoaming agent, a dissolution accelerant and water. Wherein the surfactant can be selected from any one or more of polyoxyethylene alkyl ether, polyoxyethylene alkyl ether and polyoxyethylene fatty acid ester; the dissolution accelerant can be selected from any one or more of ethylene glycol monobutyl ether, diethylene glycol monobutyl ether and triethylene glycol monobutyl ether; the defoaming agent is any one or more of butanol, dimethyl silicone oil, silicone and polyether modified polysiloxane. When the waste gas absorption liquid obtained in the invention is used for treating waste gas, the absorption efficiency of methanol, butanol, benzene, toluene, xylene, ethyl acetate, dichloromethane and acetone is obviously improved, and the absorption efficiency of the waste gas absorption liquid on aromatic hydrocarbon, halogenated hydrocarbon, alcohol, ketone and ester pollutants is improved.

The invention relates to the field of molecular biology, and discloses a nucleic acid releasing agent for isothermal amplification and a use method of the nucleic acid releasing agent. Comprising the following steps: step 1, preparing a polyoxypropylene polyoxyethylene copolymer diluent, a defoaming agent SE-15 diluent, an ethyl phenyl polyethylene glycol NP-40 diluent, a sodium polyethylene sulfonate diluent and a Proclin300 diluent in sequence through RNA enzyme-free water; and 2, sequentially preparing an ethylenediamine tetraacetic acid disodium salt mother solution, a sodium dodecyl sulfate mother solution and a glycine mother solution through RNA enzyme-free water. Sodium polyethylene sulfonate can be specifically combined with protein amplification inhibitors in a sample to remove mucoprotein, hemoglobin, polysaccharide and other inhibitors in the swab sample, and disodium ethylene diamine tetraacetate can chelate metal ions to reduce the influence of nuclease on target nucleic acid.

The invention belongs to the technical field of building materials, and discloses a special emulsion for large-particle-size high-air-permeability soft porcelain and a preparation method and application thereof, and the emulsion comprises a seed phase, a core emulsion phase, a hard-shell pre-emulsion phase, an initiation system and a post-treatment auxiliary agent; the core emulsion phase comprises deionized water, 2-ethylhexyl acrylate, glycidyl methacrylate, a toughening aid, ethyl phosphate methacrylate and an OP-10 emulsifier; the toughening aid is a polyether-polyester block copolymer; the post-treatment auxiliary agent comprises an antibacterial flame retardant, an organic silicon defoaming agent and ammonia water, the antibacterial flame retardant is a benzisothiazolinone derivative containing phosphorus and nitrogen, performance complementation is achieved through the layered design of a core-shell structure, and meanwhile the stability and adhesive force are improved by means of the reactive emulsifier and the functional monomer; in addition, the polyether polyester block type reactive toughening aid and the phosphorus and nitrogen-containing benzisothiazolinone derivative antibacterial flame retardant are added, so that synergistic optimization of toughening, antibacterial and flame retardant is realized.

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 provides a protective coating for a fuel storage and transportation cabin and a preparation method thereof, the protective coating comprises a primer layer, and the primer layer comprises a component A and a component B, the component A is prepared from the following raw materials in parts by weight: 20 to 40 parts of phosphorylated-sulfur heterocyclic modified epoxy resin, 0.1 to 1 part of dispersing agent, 0.1 to 1 part of flatting agent, 0.1 to 1 part of defoaming agent, 0 to 10 parts of n-butyl alcohol, 0 to 10 parts of xylene, 10 to 15 parts of zinc phosphate, 0.5 to 1.0 part of thixotropic agent, 10 to 15 parts of flaky filler, 20 to 35 parts of talcum powder, 5 to 10 parts of barite powder and 3 to 10 parts of titanium dioxide; the component B is prepared from the following raw materials in parts by weight: 99 to 100 parts of amino resin and 0.3 to 0.8 part of a catalyst. Phosphorylation-sulfur heterocycle is utilized to modify epoxy resin, a phosphating group (P-O-C) is generated, the lipophobicity is increased, an intrinsic anti-swelling network is constructed based on a sulfur / phosphorus atom covalent bonding epoxy skeleton, and by utilizing the three-dimensional shielding effect of phosphorus atoms and the high-density cross-linking characteristic of thioether bonds, the anti-swelling performance of the epoxy resin is improved. Fuel oil permeation channels are blocked from the molecular level, pollutant dissolution is inhibited, and it is ensured that the coating has good soaking resistance to fuel oil.

The present invention relates to a binary insecticidal formulation, the production method therefor and use thereof in the treatment of seeds of a plurality of crops and for controlling a range of pests. More specifically, said formulation is used for seed treatment, comprises a high concentration of active ingredients, is free of ionic agronomic excipients and antifreeze agents, and comprises a safe and effective concentration of colorant for marking said seeds. Furthermore, said formulation comprises few agronomic excipients, wherein said excipients, namely the antifoaming agent, dispersant, adhesive, and thickener, are present at concentrations that are significantly reduced compared to formulations of the prior art. In addition, nearly half of said formulation is composed of water, making it environmentally compatible. The production method for said formulation also influences the excellent physicochemical properties of the final product, mainly due to the nature of each of the steps involved, the order thereof, process variables, and other related aspects.

The invention discloses high-durability quick-hardening concrete and a preparation method thereof, and belongs to the technical field of building materials. The concrete is prepared from the following raw materials: aluminoferrite cement, vitreous calcium aluminate clinker, a coagulant nucleation agent, a nano hybrid siliceous material, a calcium-magnesium composite expanding agent, a self-healing agent, a hydration heat regulating agent, a water reducing agent, an early strength agent, a defoaming agent, a thickening agent, a retarder, an air entraining agent and aggregate. The coagulating nucleating agent is prepared from semi-hydrated gypsum, ferrous sulfate and aluminum potassium sulfate; the nano hybrid siliceous material is prepared by reacting acidic silica sol with sodium methyl silicate at 40-60 DEG C for 1-3 hours. According to the high-durability quick-hardening concrete and the preparation method thereof, the iron aluminate cement, the vitreous calcium aluminate clinker, the coagulant nucleation agent, the nano hybrid siliceous material, the calcium-magnesium composite expanding agent, the self-healing agent and the hydration heat regulating agent are utilized to form a brand-new high-durability and high-adaptability quick-hardening system. The mechanical property, the volume stability and the durability are comprehensively superior to those of the traditional quick-hardening concrete.

The present application belongs to the technical field of cleaning products, and particularly relates to a high-temperature oil stain removing stove cleaner as well as a preparation method and application thereof. The high-temperature oil stain removing stove cleaner provided by the present application comprises the following components and mass fractions: 11-33 parts of an alkaline additive, 1-2 parts of hydroxyethylidene diphosphonic acid, 3-6 parts of a non-ionic surfactant, 4-8 parts of a solvent, 1-3 parts of a solubilizer, 1-3 parts of sodium xylene sulfonate, and 45-79 parts of water; the solvent comprises ethylene glycol monobutyl ether and diethylene glycol ethyl ether. The high-temperature oil stain removing stove cleaner provided by the present application has the advantages of simple cleaning method, high-temperature oil removing effect, good stain removing and oil scale removing effect on commercial kitchen utensils, high safety, no corrosion to metal, simple raw material composition, and no need to add a defoaming agent.

A coal-based solid waste regenerated aggregate shotcrete and a preparation method thereof, comprising cementitious material 100 parts, coarse aggregate 150-200 parts, fine aggregate 150-200 parts, polycarboxylate superplasticizer 2-4 parts, anti-adsorption agent 0.5-1.5 parts, water 35-60 parts, and defoaming agent 0.1-0.3 parts. The cementitious material is composed of cement and waste desulfurization gypsum; the coarse and fine aggregates are all coal gangue or gasification slag; the polycarboxylate superplasticizer is a slow-release polycarboxylate superplasticizer containing phosphate ester groups in the side chain; and the anti-adsorption agent is bentonite modified by a silane coupling agent. The modified bentonite anti-adsorption agent preferentially blocks the porous surface adsorption sites of the coal-based solid waste aggregate, and the slow-release polycarboxylate superplasticizer continuously provides dispersion force, effectively reduces the invalid consumption of the superplasticizer, significantly reduces the 1h slump loss rate of the concrete, reduces the rebound rate of the shotcrete construction to below 15%, and the total solid waste content is above 70%, realizing large-scale collaborative utilization of coal-based solid waste and waste desulfurization gypsum.

A method for producing mycelium biomass. The method comprises obtaining a base media composition and an antifoam solution; sterilizing a mixture of the base media composition and the antifoam solution

Highly active defoamer compositions which are storage stable and maintain their defoaming efficiency for extended times even in harsh chemical environments are prepared by an aqueous base-catalyzed condensation of a hydroxy-terminated polyorganosiloxane, a silicone resin bearing hydroxy groups or hydroxy-reactive groups, and hydrophilic silica. The condensation takes place at a temperature of 80°C to less than 130°C, and the reaction viscosity is monitored to determine an appropriate time to add the hydrophilic silica.

This invention discloses an electronic potting compound for encapsulating new energy power systems and its preparation method, belonging to the field of adhesive preparation technology. The electronic potting compound for encapsulating new energy power systems consists of component A and component B. Component A includes polypropylene glycol, dicyclohexylmethane diisocyanate, hydroxyl-terminated polydimethylsiloxane, bismuth-zinc composite catalyst, N,N-dimethylethanolamine, porous alumina supported filler, composite halogen-free flame retardant, thixotropic agent, defoamer, and surface-modified calcium sulfate whisker fibers. Component B includes polypropylene glycol and dicyclohexylmethane diisocyanate. The electronic potting compound prepared by this invention exhibits good thermal conductivity and electromagnetic shielding capabilities after curing, while also possessing high mechanical strength.

This invention provides a high-solids anti-rust primer suitable for all seasons and its preparation method. The anti-rust primer comprises component A and component B. Component A includes the following raw materials in parts by weight: 30-40% bisphenol F epoxy resin, 1-10% reactive diluent, 1-8% liquid carboxyl-terminated nitrile butadiene rubber (CTBN), 0.1-0.3% triphenylphosphine, 0.1-0.6% dispersant, 0.2-0.6% defoamer, 1-5% modified chopped glass fiber, 40-50% pigments and fillers, 0.7-1.3% thixotropic agent, and 3-5% solvent. Component B includes the following raw materials in parts by weight: 50-70% amine curing agent, 2-5% hyperbranched epoxy resin, and 25-45% modified ketimide curing agent. The anti-rust primer of this invention has the advantages of high solids content and high flexibility, and can be applied to damp surfaces and in ambient temperatures ranging from -10 to 40°C. Furthermore, the prepared anti-rust primer, as a coating, can be used as a rust-preventive primer for multiple parts of the ship, from the bottom to the hull, and has significant benefits in improving ship painting efficiency and reducing fugitive VOC emissions during the painting process.

This invention belongs to the field of building materials technology, and discloses a low-temperature grouting material based on intelligent antifreeze microcapsules, its preparation method, and its uses. By mass, the raw materials include: 520-900 parts of cementitious material, 400-550 parts of graded quartz sand, 1-5 parts of flocculant, 5-20 parts of nano-silica, 3-8 parts of water-reducing agent, 0.5-2 parts of defoamer, 15-20 parts of intelligent antifreeze microcapsules, and 120-170 parts of water. The intelligent antifreeze microcapsules include a core material and a shell covering the core material. The core material includes an antifreeze agent and a crack repair agent precursor. This invention can effectively prevent early frost damage, ensure later mechanical properties and durability, and is easy to construct.

The invention discloses a special conductive PVC (polyvinyl chloride) resin and a preparation method thereof, and the method comprises the following steps: adding vinyl chloride monomer, deionized water, a composite initiator, a composite emulsifier and a PH value regulator into a polymerization kettle in a uniform dispersion manner after high-rotating-speed mechanical shearing, and heating with hot water to start polymerization reaction at the polymerization temperature of 49 + / -0.2 DEG C to obtain polyvinyl chloride latex; adding a viscosity reducer and a defoaming agent into the polymerization kettle; the obtained latex enters a discharging groove after being recycled, a conductive additive is added into the discharging groove, and the latex is evenly stirred in the discharging groove; dehydrating by a spray type drying tower, and physically crushing by a hammer type grinding machine to obtain the finished product polyvinyl chloride resin. The surface resistivity of the prepared conductive PVC special resin is below 107 ohms. Compared with the prior art, the conductive additive is added in the polymerization production process, so that the distribution of the conductive additive is more uniform, the construction of a conductive network is firmer, and the surface resistivity of the resin is easier to reduce.

The application discloses an anti-burst and high-anti-falling water-based transfer adhesive as well as a preparation method and application thereof. The water-based transfer adhesive comprises the following raw materials in parts by weight: 29-43 parts of a silicon-modified styrene-acrylic emulsion, 34-52 parts of a water-based butadiene-styrene emulsion, 0.3-1 part of cellulose nanofiber, 15-26 parts of deionized water, 0.1-1 part of a wetting agent, 0.1-1 part of a leveling agent and 0.05-0.9 part of a defoaming agent. The water-based transfer adhesive provided by the application has excellent anti-burst and anti-sticking properties and good adhesion.

A biodegradable pressure sensitive adhesive includes:% (Parts)Water:15-37Defoamer:.000-1.0 Sodium Chloride (NaCl):.000-15.0Gelatin:14-26Glycerin / UREA: 6-18Vanilla Extract:.000-.700Sugar / Corn Syrup:22-42Preservative:.000-.7 TOTAL:100.00%and more particularly:% (Parts)Water:15-30Defoamer: .3-1.0Sodium Chloride (NaCl):  9-15.0Gelatin:15-26Glycerin: 6-16Vanilla Extract:.000-.250Sugar / Corn Syrup:24-40Preservative:.2-.6TOTAL:100.00%.

The invention discloses a composite additive for a water-soluble quenching medium and a preparation method of the composite additive. The composite additive is prepared from the following components in parts by weight: 10 to 20 parts of polyisobutene maleic anhydride, 7 to 20 parts of polyvinyl caprolactam, 1.5 to 3.5 parts of polyacrylamide, 5 to 9 parts of organic alcohol amine, 0.5 to 0.7 part of an antirust agent, 0.5 to 0.9 part of a bactericidal mildew preventive, 0.3 to 0.5 part of a de-foaming agent and 30 to 50 parts of water. The composite additive can be efficiently mixed and dissolved with a traditional water-soluble quenching medium, the water-soluble quenching medium is promoted to achieve control over the low-temperature cooling speed and the lower characteristic temperature in the quenching technological process, and therefore the application range of the water-soluble quenching medium is widened, the quality of a quenched workpiece is improved, and the service life of the workpiece is prolonged. The composite additive disclosed by the invention not only solves the problem of low characteristic temperature of the existing water-soluble quenching medium, but also can enable the water-soluble quenching medium to keep proper maximum cooling speed and high characteristic temperature, and finally shows the cooling performance close to that of quenching oil.

This invention discloses a long-lasting, environmentally friendly, fully synthetic cutting fluid for aluminum-magnesium alloys and its preparation method. The cutting fluid comprises 5-15% binary composite polyether lubricant, 0.5-3% nanoparticle additives, 2-8% isooctanol polyoxyethylene ether phosphate, 0.5-2% tannic acid, 2-8% surfactant, 5-15% pH stabilizer, 1-5% corrosion inhibitor, 0.5-2% bactericide, 0.1-1% defoamer, and deionized water. Through the synergistic effect of the compounded lubrication system and nanoparticle additives, this cutting fluid significantly improves lubrication, cooling, and corrosion resistance. It exhibits excellent lubrication, friction reduction, and cooling properties, with an average friction coefficient < 0.073 and a maximum cutting tip temperature ≤ 100℃. It also demonstrates strong corrosion resistance; after immersion at 50℃ for 15 days, the alloy surface shows no change, and the pH remains stable with low bacterial counts during 6 months of use. It can be used for cutting and grinding aluminum-magnesium alloys, achieving long-term operation without the need for fluid changes, and meets environmental protection requirements.

This invention relates to the fields of pesticide formulations and pesticide pest control, specifically to a composite nano-slow-release suspension of emamectin benzoate and chlorantraniliprole, its preparation, and application. The nano-slow-release suspension comprises emamectin benzoate, chlorantraniliprole, a nanocarrier, a wetting agent, a dispersant, a synergist, a thickener, an antifoaming agent, an antifreeze, a preservative, and water. The nanocarrier is an NX-CMCS & MOF composite nanocarrier. Spraying this composite nano-pesticide onto crops improves the adhesion and penetration of the pesticide on leaves, enhances its resistance to rain washout, and effectively kills major crop pests such as bollworms, diamondback moths, cowpea thrips, and rice planthoppers. Compared with traditional pesticide formulations, it has a significant effect of reducing dosage and increasing efficacy, and has broad application prospects in the field of agricultural pest control and promoting green agriculture.

The invention relates to a preparation process of an efficient composite desulfurizer, and belongs to the technical field of desulfurizers. The desulfurizing agent is prepared by compounding MOF-loaded modified sodium humate, an ionic liquid accelerant, a corrosion inhibitor, a defoaming agent, a dispersing agent and deionized water. The preparation process is carried out under linkage control of DCS and SIS systems, key procedures and special procedures are strictly controlled, the adsorption and catalytic oxidation capacity of the desulfurizer is enhanced, the desulfurization efficiency and stability are improved, and meanwhile the preparation process is simple, low in energy consumption and easy for industrial production.

A mosquito repellent composition and a preparation method therefor and a use thereof, and a product having the composition, relating to the technical field of mosquito repelling. The mosquito repellent composition comprises in percentage by weight: 0.1-40% of a mosquito repellent active ingredient, 1-10% of an emulsifier, 3-8% of an antifreeze agent, 0.1-3% of a thickener, 0.1-2% of a defoamer, and the balance being water, or 0.1-40% of a mosquito repellent active ingredient, 1-10% of an emulsifier, 1-10% of a capsule wall material, 0.1-0.5% of a pH regulator, 3-8% of an antifreeze agent, 0.1-3% of a thickener, 0.1-2% of a defoamer, and the balance being water, wherein the mosquito repellent active ingredient comprises α-ethylidene-phenylacetaldehyde, or a tautomer or cis-trans isomer thereof. Compared with an α-ethylidene-phenylacetaldehyde technical material, the mosquito repellent composition has greatly improved thermal storage stability and a longer-lasting mosquito repellent effect. Compared with emulsions in water and capsule suspensions prepared by other formulas, the emulsion stability after thermal storage is greatly improved.

This application relates to a denim washing anti-staining agent and its application, belonging to the field of dyeing and printing auxiliaries technology. The anti-staining agent is composed of the following components in parts by weight: 5-15 parts of polymeric dispersant, 5-10 parts of anionic dispersant, 3-5 parts of isomeric tridecyl alcohol polyoxyalkylene ether, 3-5 parts of fatty amine polyoxyethylene ether, 0.5-2 parts of polyether defoamer, with the balance being water. This application endows the product with excellent immediate anti-staining ability and outstanding continuous processing stability, and is suitable for the cellulase washing process of denim.

The application belongs to the technical field of epoxy structural adhesive and discloses a single-component organic silicon modified temperature-resistant epoxy structural adhesive composition and a preparation method thereof, the single-component organic silicon modified temperature-resistant epoxy structural adhesive composition comprises, in terms of weight percentage, 40-75 parts of epoxy resin, 26-47 parts of epoxy modified silicon oil, 21-28 parts of methyl phenyl silicon resin containing an alkoxy functional group, 6-8 parts of a curing agent, 24-40 parts of amino phenyl silicon oil, 0-18 parts of a defoaming agent and 1-3 parts of a leveling agent, the side chain or end chain of the epoxy modified silicon oil contains at least one epoxy group, the amino equivalent of the amino phenyl silicon oil is 670-3750 g / eq, and the phenyl content is 0.10-0.40 mol / 100g. The application provides a single-component organic silicon modified temperature-resistant epoxy structural adhesive composition, the epoxy modified silicon oil and the amino phenyl silicon oil can produce a synergistic effect, the high-temperature resistance of the composition is improved, and thus the problems such as the decrease of adhesion, the failure of insulation performance after 90-degree bending and the decrease of tensile strength of the epoxy structural adhesive composition in an environment exceeding 100 DEG C can be avoided.

The invention discloses a hand brushing and spraying dual-purpose odorless anti-yellowing transparent polyurethane primer suitable for various base materials and a preparation method thereof. The primer mainly comprises a component A, a component B and a component C, the component A is mainly prepared from odorless coconut oil alkyd resin, zinc stearate, a defoaming agent, a flatting agent, an anti-settling agent, functional resin and an organic solvent; the component B is mainly prepared from an HDI (hexamethylene diisocyanate) tripolymer, a TDI (toluene diisocynate) tripolymer, a dehydrating solvent and a dehydrating agent; the component C is mainly prepared from dimethyl carbonate, n-butyl acetate and propylene glycol methyl ether acetate; the anti-settling agent is a mixed solution of polyamide wax slurry 6900-20X and n-butyl acetate, and the mass concentration of the polyamide wax slurry 6900-20X in the mixed solution is 40%; the functional resin is a mixed solution of cellulose acetate butyrate CAB-381-0.5 and n-butyl acetate, and the mass concentration of the cellulose acetate butyrate CAB-381-0.5 in the mixed solution is 20%. The odorless yellowing-resistant transparent polyurethane primer has the advantages of no blistering, no prickly heat, suitability for various base materials, dual purposes of hand brushing and spraying, and the like.

The invention belongs to the technical field of oil for hydraulic supports, and particularly relates to biodegradable emulsified oil for a hydraulic support and a preparation method of the biodegradable emulsified oil. The biodegradable emulsified oil for the hydraulic support is prepared from the following raw materials in parts by mass: 40 to 50 parts of modified castor oil, 2 to 6 parts of eutectic solvent, 2 to 5 parts of emulsifier, 3 to 8 parts of antirust agent, 0.5 to 1.5 parts of defoaming agent and 15 to 30 parts of water, the biodegradable emulsified oil for the hydraulic support, provided by the invention, has good compatibility with 40-grade artificial hard water, and also has excellent anti-rust property and corrosion resistance.