1059 results about "Suspending Agents" patented technology

The invention belongs to the field of pesticide preparations, and particularly relates to an oil suspending agent containing pleuromutilin and a preparation method of the oil suspending agent. According to the invention, by optimizing the formula, the obtained oil suspending agent can effectively prevent and treat bacterial diseases, the dosage form of the oil suspending agent is more beneficial to application to spraying method pesticide application, and the embodiment verifies that the prevention and treatment effect on the bacterial diseases can reach 90% or above under the condition that the concentration of pleuromutilin is 200PPM. In addition, according to a traditional method, an active compound is obtained through fermentation, and then the active compound is mixed with a corresponding solvent and an auxiliary agent to be processed into a dosage form, so that the cost is high, and great pollution is brought. The method provided by the invention not only meets the control requirements on bacterial diseases, but also saves the energy and power cost from the aspect of process, reduces the use of solvents, is more beneficial to environmental protection, and thus has great economic benefits, environmental benefits and ecological benefits.

The invention provides a salt-tolerant hydrophobic association polymer suspension emulsion and a preparation method and application thereof, and belongs to the technical field of oil and gas well fracturing, the suspension emulsion comprises the following components by weight: 40-50 parts of white oil, 4-6 parts of a suspending agent, 40-50 parts of hydrophobic association polymer powder, 5-10 parts of an emulsifier, 1-2 parts of a conditioning agent, and 0.1-0.2 part of a preservative. The preparation method comprises the following steps: adding the white oil into a reaction kettle, and starting stirring for 30 minutes; sequentially adding the suspending agent and the hydrophobic association polymer powder into the reaction kettle, and stirring for 30 minutes; after uniformly dispersing, adding an emulsifier, and stirring for 30 minutes; adding a conditioning agent, continuously and circularly stirring for 30 minutes, and then adding a preservative to obtain the hydrophobic association polymer suspension emulsion for fracturing. The suspension emulsion provided by the invention has the advantages of rapid dissolution and tackification and good salt tolerance, and meets the technical requirements of large-displacement hydraulic fracturing construction for continuous mixing by using flow-back fluid.

The invention relates to the field of foaming materials, in particular to a low-solvent-residue expandable polystyrene material and a preparation method thereof. The expandable polystyrene material with low solvent residue comprises the following raw materials in percentage by weight: 0.35-0.45% of a free radical initiation system, 0.35-0.45% of S, S, S, S, S, S, S, S, S, S, S, S, S, S, S According to the present invention, the material comprises, by weight, 0.1-0.15% of S, S '-bis (alpha, alpha'-dimethyl-alpha ''-acetoxy) trithiocarbonate, 0.15-0.2% of ascorbic acid, 0.1-0.2% of a nucleating agent, 0.2-0.3% of a suspending agent, 0.001-0.003% of an emulsifier, 5-6% of a foaming agent, 0.15-0.25% of a plasticizer, 0.001-0.002% of hydroxyethyl cellulose, 0.05% of sodium phosphate, 0.1-0.2% of zinc stearate, and 0.1-0.2% of glyceryl stearate, the obtained material has low solvent residue, meets food safety requirements, and is suitable for food packaging.

The invention relates to a bactericidal composition containing fluxapyroxad and thiediazole copper. The bacterial composition is compounded from fluxapyroxad and thiediazole copper in a binary mode, wherein a mass ratio of fluxapyroxad to thiediazole copper is (1-50) to (50-1); a mass fraction of fluxapyroxad and thiediazole in the preparation is 1%-80%, and the rest of the preparation is auxiliary components which are allowed to use and are acceptable in a pesticide. A dosage form of the bactericidal composition is missible oil, a suspending agent, wettable powder, a water dispersible granule, emulsion in water, microemulsion, a granule and a micro-capsule. The bactericidal composition is mainly used for controlling plant gray mold, peronospora and phytophthora germs.

The invention provides a preparation method and application of a mineral oral liquid containing fat-soluble vitamins, the fat-soluble vitamins are dissolved in an oil phase, then the oil phase is mixed with a water phase containing an emulsifier, and high-shear and high-pressure homogenization treatment is performed to obtain emulsified fat-soluble vitamins; dispersing the sweetening agent, the suspending aid, the pH regulator and the insoluble mineral substances to obtain a mixed solution; adding the emulsified fat-soluble vitamins and the flavor regulator into the mixed solution, adding water to a constant volume, and uniformly stirring to obtain a material solution; and canning the feed liquid, sealing, and sterilizing at high temperature to obtain the oral liquid. The fat-soluble vitamins in the oral liquid provided by the invention are small in particle size after being subjected to high-shear and high-pressure homogenization treatment, can tolerate high-temperature sterilization, is small in loss rate, good in dispersity and high in stability within the shelf life, and can maintain the actual content of the fat-soluble vitamins in the oral liquid and ensure the nutritional effect of the fat-soluble vitamins.

The invention relates to the technical field of suspending agent preparation, and discloses a macroelement water-soluble fertilizer suspending agent, which comprises macroelements, medium trace elements, a suspending agent and an auxiliary agent, and a preparation method of the macroelement water-soluble fertilizer suspending agent comprises the following steps of: preparing the macroelement water-soluble fertilizer suspending agent; the preparation method comprises the following steps: S1, raw material pretreatment, S2, macroelement dissolution, S3, medium trace element addition, S4, suspending agent and auxiliary agent addition, S5, fine treatment, and S6, packaging and storage, the stability of the suspending agent is significantly enhanced: a more stable suspension system is constructed by precisely adjusting the ratio of xanthan gum to the sodium carboxymethyl cellulose suspending agent, and the unique component proportion enables the fertilizer to have a better effect after the fertilizer is stored for 6 months. The nutrient precipitation rate can still be kept below 5%, the uniformity of the fertilizer in the storage and transportation process is effectively guaranteed, farmers do not need to worry about uneven fertilization caused by nutrient precipitation in the application process, it is guaranteed that crops can continuously and evenly absorb nutrients, and healthy growth is promoted.

The utility model discloses a grinding device for producing an oil suspending agent, which comprises a rack, a grinding bin assembled on the rack and divided into an outer sleeve and a central rotating cylinder driven to rotate, and the outer sleeve is provided with a discharge port; a grinding hopper is fixedly arranged at the bottom end of the central rotary cylinder, and a plurality of filtering holes are formed in the grinding hopper; the end part of an output shaft of the driving motor is fixedly provided with a grinding hammer which extends into the grinding hopper. According to the grinding device for oil suspending agent production, through the design of the grinding hopper, raw materials move upwards along the side wall of the grinding hopper under the action of centrifugal force, raw material particles with small particle size and light weight enter the discharging channel through the filtering holes firstly, the screening effect is achieved, and the raw material particles with large particle size and light weight enter the discharging channel; and raw material particles with heavy weight stay at the bottom of the grinding hopper and are crushed and ground by the grinding hammer without being matched with a lifting device, so that the grinding device is relatively convenient.

The invention belongs to the technical field of pesticide suspending agents, and particularly discloses a micro-capsule suspension-suspending agent containing chlorine fluorine and clothianidin and a preparation method of the micro-capsule suspension-suspending agent. The microcapsule suspension-suspending agent is prepared from the following raw materials: 11 to 13 percent of lambda-cyhalothrin, 12 to 14 percent of clothianidin, 9.20 to 9.60 percent of a solvent, 3.25 to 3.45 percent of a wall material I, 0.35 to 0.50 percent of protective glue, 2.13 to 2.33 percent of an emulsifier, 1.24 to 1.45 percent of a dispersing agent I, 0.24 to 0.45 percent of a wall material II, 3.90 to 4.10 percent of a dispersing agent II, 2.92 to 3.12 percent of an anti-freezing agent, 0.03 to 0.07 percent of a thickening agent I, 0.45 to 0.55 percent of a thickening agent II, 0.46 to 0.52 percent of a preservative and the balance of water. The microcapsule suspension-suspending agent prepared in the invention has good stability in the storage process, the slow release of effective components is controlled, and the lasting period is prolonged.

The invention discloses a flue gas water-based three-phase foam system and a profile control method, the flue gas water-based three-phase foam system comprises dispersed-phase gas, suspended-phase solid particles and continuous-phase liquid, the liquid comprises the following components in percentage by weight: 0.5-2.0 wt% of a foaming agent, 0.05-0.5 wt% of a stabilizer, 0.05-0.2 wt% of a thickening agent, 0.1-0.8 wt% of a suspending agent, 0.3-1.0 wt% of inorganic salt and the balance of liquid preparation water; the gas comprises flue gas or mixed gas of one or at least two of nitrogen, natural gas, carbon dioxide, air and flue gas and the flue gas; the solid particles comprise one or a mixture of at least two of silicon dioxide particles, montmorillonite particles, bentonite particles, kaolin particles and fly ash particles, and the particle sizes of the solid particles are from nanometer to micrometer. According to the method, the flue gas discharged by the steam-injection boiler is captured and treated and then is injected into the stratum together with the water-based three-phase foam system and the steam segmented plug according to a certain proportion to assist in steam recovery of the thickened oil, so that the recovery rate of the thickened oil can be increased, the emission of greenhouse gases can be reduced, the capture, storage and utilization of CO2 can be realized, and the environmental protection situation requirements of carbon peak reaching and green development are met.

The utility model relates to the technical field of pesticide suspending agents, in particular to cooling equipment for pesticide suspending agent production, which comprises a cooling barrel, a cooling mechanism is rotatably connected in the cooling barrel and comprises a rotating shaft, a plurality of first water conveying pipes are fixedly mounted on the outer surface of the rotating shaft, and a plurality of second water conveying pipes are fixedly mounted on the outer surface of the rotating shaft. And a plurality of second water conveying pipes are fixedly mounted on the outer surface of the rotating shaft. Compared with the prior art, the cooling device has the advantages that the cooling mechanism is arranged in the cooling barrel, the outer surfaces of the first water conveying pipe, the second water conveying pipe and the third water conveying pipe are all used as cooling working faces and can make full contact with pesticide suspending agents in the cooling barrel, cooling efficiency can be improved, cold source loss can be reduced, and the service life of the cooling barrel is prolonged. And under the cooperation of a motor, a first bevel gear and a second bevel gear, a cooling mechanism can rotate, the stirring effect is achieved, the suspending agent can be fully cooled, and the practicability of the device is guaranteed.

The invention discloses a catalyst for synthesizing 3-methyl-3-butene-1-alcohol as well as preparation and application of the catalyst. The preparation method of the catalyst comprises the following steps: (S1) mixing acrylic acid, acrylate, a dispersing agent, a flatting agent and a light curing agent to obtain a photosensitive resin mixed solution; (S2) mixing first powder with the photosensitive resin mixed solution obtained in the step (S1), sequentially adding a suspending agent, a soaking and washing agent and second powder, standing, and then adding an anti-sticking agent and a soaking and washing agent to obtain printing slurry; and (S3) loading the printing slurry obtained in the step (S2) into a liquid carrying device, carrying out 3D printing according to a set program, and carrying out post-treatment to obtain the catalyst with a three-dimensional cuboid grid skeleton structure. The catalyst is high in mechanical strength and long in service life, and is used for the process of generating 3-methyl-3-butene-1-alcohol from isobutene and formaldehyde, and the formaldehyde conversion rate and the 3-methyl-3-butene-1-alcohol selectivity are greatly improved.

The invention relates to a preparation method of a carboxylate dispersant and an application of the carboxylate dispersant in a suspending agent, and belongs to the technical field of dispersants.The carboxylate polymer containing carboxyl, polyethylene glycol and slow-release chelating agent nanoparticles are polymerized together to form a comb-shaped structure; the sulfonic acid group on the carboxylate dispersant is ionized into-SO3-, the surfaces of pesticide particles are negatively charged, the electrostatic repulsion in the system is enhanced, the collision among the softened pesticide particles can be weakened, the sedimentation trend of the pesticide nanoparticles is weakened to a certain extent, and the stability of the suspension system is improved. Meanwhile, sodium ethylene diamine tetracetate in the slow-release chelating agent nano-microspheres can be slowly released, the sodium ethylene diamine tetracetate is preferentially chelated with calcium ions and magnesium ions in water, the calcium ions and the magnesium ions are prevented from being combined with sulfonic acid and carboxylic acid groups on the carboxylate dispersing agent, and the comb-shaped structure of the carboxylate dispersing agent has strong steric hindrance, so that the carboxylate dispersing agent can be used for dispersing calcium ions and magnesium ions in water. The effect of physically blocking calcium and magnesium ions can be achieved.

The invention relates to the technical field of seed treatment suspending agents. The invention discloses a seed treatment suspending agent containing clothianidin, prothioconazole and fludioxonil as well as a preparation method and application of the seed treatment suspending agent. The seed treatment suspending agent is prepared from the following raw materials: clothianidin, prothioconazole, fludioxonil, a bactericidal synergist, a dispersing agent, a wetting dispersing agent, a thickening agent, a preservative, an anti-freezing agent, a film-forming agent, warning coloration, a de-foaming agent and de-ionized water. The seed treatment suspending agent containing clothianidin, prothioconazole and fludioxonil prepared by the invention is good in suspending performance, low-temperature stability and heat storage stability. The application amount and the harm to the environment are reduced. The invention also relates to application of the seed treatment suspending agent in prevention and treatment of diseases and insect pests.

The invention belongs to the technical field of pesticide preparations, and relates to a preparation method and application of prothioconazole sustained-release microspheres. The preparation method comprises the following steps: adding an active compound, an emulsifier, isocyanate and polycaprolactone polyol into cyclohexanone, and uniformly mixing to obtain an oil phase; adding a dispersing agent into water and uniformly mixing to obtain a water phase; and adding dibutyltin dilaurate into the oil phase, reacting, mixing with the water phase, shearing, and stirring to obtain the prothioconazole sustained-release microsphere suspending agent. The prothioconazole sustained-release microsphere prepared by the process still keeps higher bactericidal activity on the premise of good leaf surface stability, so that reduction of the pesticide application frequency, improvement of the pesticide utilization rate and long-acting prevention and control of prothioconazole in the field are expected to be realized, and the prothioconazole sustained-release microsphere conforms to the national double reduction policy and is suitable for large-scale popularization and application.

The invention provides a thickening agent for an oil field fracturing fluid, a preparation method of the thickening agent and the fracturing fluid, and belongs to the technical field of fracturing fluids. Comprising a polymer, a synergist, a salt-resistant component, a structure regulator, a suspending agent and an emulsifier. The polymer prepared by the invention contains abundant anions and cations, including quaternary ammonium salt cation structures, sulfonate anions and the like, and molecular winding can be realized through mutual attraction of the anions and cations, so that the elasticity modulus is increased, the sand-carrying performance is improved, and the sand-carrying and thickening performance of the thickening agent is improved; the fracturing fluid has good temperature resistance, salt resistance, shearing resistance, water solubility and thickening property, integrates the functions of drag reduction, sand carrying, fracture forming, swelling prevention, discharge aiding, low damage and the like, and has wide application prospects.

The present invention relates to the technical field of pesticides. Disclosed is a self-dispersing type polyurethane pesticide slow-release microcapsule suspending agent. A preparation method therefor comprises: (1) mixing a pesticide and an organic solvent with a neutralized polyurethane prepolymer to obtain an oil phase; (2) mixing the oil phase with a colloid stabilizer aqueous solution, and then emulsifying same to obtain an emulsion; and (3) mixing a chain extender and a curing agent with the emulsion to undergo a cross-linking reaction to finally obtain a self-dispersing type polyurethane pesticide slow-release microcapsule suspending agent. A preparation method for the neutralized polyurethane prepolymer comprises: performing a polymerization reaction on polymeric polyol, polyisocyanate, a hydrophilic chain extender and a catalyst to obtain a polyurethane prepolymer; and adding a neutralizer to obtain the neutralized polyurethane prepolymer. The present invention has a simple process, and does not need aids such as an additional emulsifier and dispersing agent. The microcapsule suspending agent dispersed in water has a self-dispersing function, and the suspending agent has good stability.

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.

According to the suspending agent containing the pydiflumetofen and the meconazole, provided by the invention, the defects of a traditional single bactericide are overcome, and the control effect on various plant diseases is improved. According to the suspending agent disclosed by the invention, a natural biological source substance chitosan oligosaccharide is introduced as a thickening agent, so that the prevention and treatment effect of the agent on the rice sheath blight disease can be improved unexpectedly.

Disclosed in the present invention are an aqueous triggered controlled-release saline-alkali soil conditioner and a preparation method therefor. The aqueous triggered controlled-release saline-alkali soil conditioner comprises agent A. The agent A comprises a water-soluble polymer and controlled-release suspended particles. The controlled-release suspended particles comprise alginate / anti-reverse regulator composite particulates. The alginate / anti-reverse regulator composite particulates are obtained by sequentially subjecting an alginate to two-step gel cross-linking by means of a cationic anti-reverse regulator and a high-valent metal ion-containing cross-linking agent. In the present invention, the alginate used as a main material is subjected to charged regulator-based high-speed dispersion for primary gelation and high-valent metal-based secondary gelation, thereby preparing a micron-nano powder and suspension, and incorporating a solvable organic polymer material, the functions of graded release and intelligent regulation of a product are achieved. The incorporation of an organic acid and a phosphoric acid material can not only prevent a micro-irrigation device from scaling but can also achieve triggered controlled-release of the material on demand and in a timely manner, thereby achieving the effects of multi-particle-size dispersion and precise release of the product in soil.

The invention is applied to the technical field of health-care products, and discloses a sea-buckthorn soft capsule, which comprises a capsule shell and a content, the capsule shell is composed of gelatin, water, glycerin and an auxiliary material, the auxiliary material is a preservative or a plasticizer, the content is composed of one of seabuckthorn seed oil or fruit oil, seabuckthorn powder and an auxiliary material, the auxiliary material is one of a suspending aid and an antioxidant or a mixture of the suspending aid and the antioxidant, the seabuckthorn powder is rich in flavone, and the auxiliary material is a mixture of the suspending aid and the antioxidant. The soft capsule has the effects of lowering lipid, softening blood vessels and preventing vascular diseases. According to the hippophae rhamnoides soft capsule, a product capsule shell is prepared from gelatin, water and glycerin according to a specific proportion, it can be guaranteed that the capsule shell has proper hardness and elasticity and is convenient to process and store, hippophae rhamnoides seed (fruit) oil and hippophae rhamnoides powder in the content are matched according to a reasonable proportion, the hippophae rhamnoides powder is rich in flavone, and the hippophae rhamnoides powder and the hippophae rhamnoides seed (fruit) oil act the effects of lowering lipid, softening blood vessels and preventing vascular diseases can be better exerted.

The invention provides an inorganic composite high-strength oil-water well water shutoff material and a preparation method thereof, and belongs to the technical field of oilfield chemical agents. The material is prepared from the following raw materials in percentage by weight: 15%-20% of a high-activity mineral admixture, 2%-8% of high-performance silicate, 3%-5% of an agriculture and forestry biomass material with the particle size of 1-10 microns, 5%-8% of a suspending agent, 0.5%-0.7% of a dispersing agent, 0.04%-0.05% of a retarder, 1%-2% of a reinforcing agent, itaconic acid modified acrylate, a pH regulator and the balance of water. The preparation method comprises a step-by-step mixing and stirring process. According to the invention, 3-5% of waste agricultural and forestry biomass is utilized, through the synergistic effect of all the components, the prepared water plugging material has the advantages of high compressive strength (1.79 MPa), controllable curing time (24-48 hours), good slurry stability, high temperature resistance (greater than or equal to 140 DEG C) and the like, unification of waste recycling and high-performance water plugging materials is realized, and the water plugging material is especially suitable for water plugging operation of high-temperature fractured reservoirs.

The invention discloses an agricultural synergist containing astragalus polysaccharide and application of the agricultural synergist, and belongs to the technical field of killing agents for biopesticides. The synergist comprises astragalus polysaccharide, a polysorbate / lecithin compound emulsifier, a carboxymethyl chitosan / siloxane penetrant and a modified accelerant synthesized by palladium catalysis. Polysaccharide is structurally modified through a blue light LED induced tetra (triphenylphosphine) palladium catalytic reaction, and the epidermal penetration efficiency of the biopesticide on tetranychus urticae is improved by 3.2 times in combination with the synergistic permeation effect of a siloxane derivative. The mite killing rate of the suspending agent prepared according to a preferable formula reaches 92.5% within 24 hours, and the lasting period is prolonged to 14 days. The system overcomes the defects of slow effectiveness and poor stability of the traditional biopesticide, by means of a targeted combination mechanism of natural components, the environment friendliness is kept while the original pesticide dosage is reduced by 50%, and the system is particularly suitable for the pest control requirement of organic agriculture.

The invention relates to the technical field of sand mills, in particular to a vertical sand mill for preparing a suspending agent. Comprising a rack, and the output end of a transmission box is fixedly connected with a first circular truncated cone wheel; the outer sleeve shaft is rotationally connected to the transmission box, the outer sleeve shaft is in spline connection with a first spline ring, and the outer sleeve shaft is rotationally connected with a sealing disc; the sanding column is fixedly connected to the outer sleeve shaft; the inner sleeve shaft is rotationally connected to the outer sleeve shaft, and a first elastic piece is fixedly connected between the outer sleeve shaft and the inner sleeve shaft; and the grinding barrel is fixedly connected to a sealing disc on the outer sleeve shaft. The viscosity of a high-viscosity material is detected through the torsion change of the first elastic piece, so that the position of the first spline ring is adjusted, the transmission ratio between the first spline ring and the first circular truncated cone wheel is changed, the rotating speed of the sanding column is adjusted, and then the collision strength of a grinding medium in the grinding barrel and the sanding column can be changed in a self-adaptive mode; therefore, the service life of the sand mill is prolonged.

The invention provides an inorganic composite plugging agent suitable for fractured fluid channeling. The inorganic composite plugging agent is prepared from the following raw materials: 25%-35% of oil well cement, 8%-10% of a reinforcing agent, 0.5%-0.7% of a dispersing agent, 0.04%-0.05% of a retarder, 5%-8% of a suspending agent, 0.1%-0.15% of a pH regulator and the balance of water, the reinforcing agent is a mixture of lime, calcium carbonate and aluminum sulfate; the dispersing agent is a mixture of sodium polyphosphate, sodium dodecyl sulfate and sodium dodecyl benzene sulfonate; the retarder is a mixture of sodium gluconate, sulfonated tannin and borax; the suspending agent is a mixture of silicon dioxide, sodium bentonite and soil powder; the pH regulator is a mixture of sodium carbonate, sodium bicarbonate and sodium hydroxide. The invention also provides a preparation method and application for channeling and water plugging of an oil-water well. The inorganic composite plugging agent can solve the problems that an inorganic plugging agent is poor in pumpability and low in strength, and fractured fluid channeling plugging in an oil reservoir is difficult, and meets the requirements for channeling plugging and water plugging of conglomerate and sandstone with the well depth being 1000-5000 m and the temperature being 150 DEG C or above and a dual seepage system.

The present application belongs to the field of agricultural technology and discloses a method and system for estimating and optimizing the dispersion stability of a herbicide suspension concentrate. The method accelerates the deterioration process of the suspension concentrate by simulating various environmental conditions and measures turbidity data in real time to evaluate the dispersion stability, thereby enabling rapid and accurate estimation of the dispersion stability.

The invention discloses a jet repair mortar based on solid waste-based sulphoaluminate cement and a preparation method thereof, the jet repair mortar comprises the following components in parts by mass: 35 to 50 parts of solid waste-based sulphoaluminate cement, 8 to 16 parts of quartz sand of 20 to 40 meshes, 20 to 35 parts of quartz sand of 40 to 80 meshes, 25 to 35 parts of quartz sand of 80 to 120 meshes, 0.8 to 1.2 parts of redispersible latex powder, 0.008 to 0.025 part of polycarboxylate superplasticizer, 0.05 to 0.12 part of suspending agent and 0.03 to 0.15 part of defoaming agent, 0 to 0.5 part of a retarder; 0.1 to 0.3 part of polypropylene fiber; the mass ratio of the solid waste-based sulphoaluminate cement to the quartz sand aggregate is (0.7-1): 1; the mass ratio of the polycarboxylate superplasticizer to the suspending agent is (0.1-0.5): 1; the ratio of water to material is 0.16 to 0.22. The spraying repair mortar has high thixotropy and high fluidity in the pumping stage and the spraying stage, after the mortar is sprayed to the wall face, shearing force borne by the mortar is reduced, a flocculation structure is rapidly formed in a cement-based material, the fluidity is reduced, and a repair layer is more stable.

The invention discloses a water-in-oil type moisturizing rod composition and a preparation method and application thereof, the water-in-oil type moisturizing rod composition comprises an oil phase and a water phase, the oil phase comprises wax, a suspending agent, grease, an emulsifier and a first functional active matter, and the wax comprises synthetic wax and selective pure ozocerite and / or microcrystalline wax; the emulsifying agent is prepared from lauryl PEG (Polyethylene Glycol)-8 polydimethylsiloxane and / or cetyl PEG / PPG-10 / 1 polydimethylsiloxane, a polydimethylsiloxane / polydimethylsiloxane PEG-10 / 15 cross-linked polymer and / or sorbitan sesquioleate; the water phase comprises alcohol, salt, a second functional active matter and water; the preparation method comprises the following steps: respectively preparing an oil phase and a water phase, adding the water phase into the oil phase, homogenizing, filling and forming. The novel moisturizing rod with the W / O dosage form has a refreshing skin feeling, is beneficial to skin health, and has good formability, good storage stability and satisfactory sensory characteristics.

The invention discloses a preparation method and application of a dendritic block polyether surfactant, and relates to the technical field of polyether surfactants. The invention relates to a preparation method of a dendritic block polyether surfactant, which comprises the following steps: (1) mixing pentaerythritol, a glycidyl ether compound and a catalyst A, heating, stirring and mixing, and carrying out heat preservation reaction to obtain a reaction product; (2) adding a catalyst B into the reaction system in the step (1), adjusting the temperature of the system, introducing nitrogen to replace air in the reaction system, and carrying out aging reaction after feeding is finished; and heating, maintaining the pressure of the system at 0.25-0.3 MPa, adding ethylene oxide, and continuing the aging reaction after the feeding is finished, thereby obtaining the dendritic block polyether surfactant. According to the invention, epoxypropane, ethylene oxide and pentaerythritol are adopted to form a tree-shaped high-performance block polyether surfactant, so that the problems that the emamectin benzoate water suspending agent is easy to be subjected to Ostwald ripening during sanding, easy to separate out during heat storage, easy to grow and the like are solved.

The invention discloses a sand casting water-based coating and a preparation method thereof, and relates to the technical field of casting coatings. The preparation method of the sand casting water-based coating comprises the following steps: firstly, adding the refractory aggregate, the composite suspending agent, the nano aluminum oxide and the sodium lignin sulfonate into water, and uniformly stirring to obtain a premix; and then adding sodium carboxymethyl cellulose into the premix, and continuously stirring to obtain the sand casting water-based paint. The coating prepared by the invention has good suspension performance and fire resistance.

The invention discloses a pet washing and protecting emulsion and a preparation method thereof. The pet washing and protecting emulsion is prepared from the following raw materials in parts by weight: 1-30 parts of an anionic surfactant, 1-5 parts of a nonionic surfactant, 5-20 parts of an ampholytic surfactant, 2-15 parts of an amino acid surfactant, 2-5 parts of a chelating agent, 0.5-5 parts of polyquaternium, 0.5-3 parts of essence microcapsules, 1-5 parts of a suspending agent carbomer sf-1, 2-10 parts of a pearling agent and 50-70 parts of deionized water. The preparation method comprises the following steps: adding the deionized water into a saucepan, heating to 80-85 DEG C, adding the chelating agent and the anionic surfactant, stirring for dissolving, cooling to 60-65 DEG C, adding the polyquaternium and other surfactants, continuously cooling to 45-50 DEG C, sequentially adding the carbomer sf-1, the essence microcapsule and the pearling agent, and uniformly stirring; adjusting the pH value, adding sodium chloride, and stirring uniformly; the pet detergent is reasonable in formula, simple to prepare and lasting in fragrance, can effectively reduce the pet washing frequency, enables pets to keep lasting fresh smell, and avoids damage to the skin and hair of the pets due to frequent bathing.