389 results about "Suspending Agents" patented technology

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 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.

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 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 relates to the technical field of pesticide preparation production, and discloses an intelligent control system and method for pesticide suspending agent production, and the intelligent control method for pesticide suspending agent production comprises the steps: collecting the multi-dimensional characteristic data of an original pesticide, carrying out the quality evaluation, and querying a technological parameter knowledge base; burdening is carried out, and self-adaptive pre-dispersion is carried out; grinding the pre-dispersed suspension, monitoring the particle size distribution in real time, and calculating the grinding rotating speed control quantity; measuring rheological properties, predicting the adjustment amount of the thickening agent, and calculating the addition rate of the thickening agent; predicting the long-term stability of the suspension, and performing multi-target formula optimization when the long-term stability is not up to the standard; intelligent diagnosis and processing of abnormity in the production process: extracting abnormity characteristics for abnormity classification, and generating a processing strategy; extracting a process knowledge rule, and dynamically updating a process parameter knowledge base; according to the invention, raw material batch fluctuation, environment change and equipment state evolution can be effectively handled, and the product quality stability and the production efficiency are improved.

The invention discloses a thickening suspending agent containing modified attapulgite and application of the thickening suspending agent, and belongs to the technical field of thickening suspending agents. After acidification treatment, the content of impurities on the surface of attapulgite is reduced, the surface area and the porous property are increased, the load rate of zero-valent iron can be increased, and the utilization rate of the zero-valent iron is increased. Zero-valent iron is uniformly loaded on tubular pore channels or the surface of attapulgite in the form of nano-particles, so that the surface roughness of the composite powder is increased, stronger steric hindrance can be formed around pesticide particles, and the pesticide particles are prevented from being gathered and enlarged due to collision, so that sedimentation is reduced, and the composite powder has good suspension property and dispersity; the load of zero-valent iron can endow the thickening suspending agent with the heavy metal chelating capability; through two times of intercalation treatment, the modified zero-valent iron composite attapulgite powder can be uniformly loaded between graphene oxide layers, the graphene oxide can assist the dispersion of the attapulgite to avoid agglomeration, and the existence of the graphene oxide can improve the thermal stability of the thickening suspending agent.

The invention discloses application of cordyceps javanica Bd01 and a dispersible oil suspending agent thereof to prevention and control of spodoptera frugiperda, and relates to the technical field of biology. The research finds that the cordyceps javanica Bd01 has a strong infection lethal effect on larvae of spodoptera frugiperda at all ages, the pupation rate and eclosion rate of the larvae can be remarkably reduced, and the breeding cycle of pests can be effectively blocked. The invention further develops a dispersible oil suspending agent, and the suspending rate is effectively improved through formula optimization. The dosage form takes soybean oil as a dispersion medium, does not contain harmful solvents such as methylbenzene, is free of dust pollution and is friendly to operators and the environment, and ascorbic acid is added to improve the ultraviolet resistance of spores and prolong the effective period of the pesticide effect. In addition, the preparation also has a certain control effect on caffeinidae, is wide in application scene, provides a new scheme for green control of spodoptera frugiperda, solves the problems of chemical pesticide resistance and residue, and accords with the development requirements of green agriculture.

The present invention relates to the technical field of ceramics. Disclosed are a ceramic tile having a velvety texture and a replicated natural stone effect and a preparation method therefor. The ceramic tile comprises a green body layer, a surface glaze layer, a pattern texture layer, a digital deep-engraving ink layer, and a dry grain glaze layer which are sequentially arranged from bottom to top. The digital deep-engraving ink layer is composed of a digital matte deep-engraving ink. The dry grain glaze layer is composed of a dry grain glaze. A surface tension difference is formed between the digital matte deep-engraving ink and the dry grain glaze. By means of the improvement of the digital matte deep-engraving ink, the digital matte deep-engraving ink can bind with the dry grain glaze and achieve a matte three-dimensional non-collapse effect on the glaze surface. By means of the improvement of the dry grain glaze, the dry grain glaze exhibits better physical properties. By means of the improvement of a suspending agent, the suspending agent can achieve relatively strong binding affinity with dry grains, thereby imparting stronger polarity to the dry grain glaze, and when the dry grain glaze binds with the digital matte deep-engraving ink having high hydrophobicity, sufficient repulsive forces can be formed, resulting in the formation of a more refined and three-dimensional relief effect.

The invention relates to the technical field of laundry detergents, and particularly discloses a concentrated laundry detergent capable of stably dispersing microcapsule essence and a preparation method of the concentrated laundry detergent. An organic polyurethane compound with a specific carbamate structure (the general formula is RNHCOOR ') is adopted as a suspending agent, the compound constructs a three-dimensional network structure through intermolecular hydrogen-bond interaction, the hydrogen bond donor / acceptor density of a carbamate unit is higher than that of existing suspension systems such as polyamide and hydrogenated castor oil, and the system is endowed with remarkable thixotropic characteristics. Under the action of shearing force, the network is dissociated, and the viscosity is reduced; and after the shearing force is removed, the hydrogen bond is quickly reconstructed, the viscosity rises again, rheological yield stress is generated, and stable anchoring of the high-load suspended matter is achieved. Meanwhile, due to the characteristic of high melting point of the organic polyurethane compound, the high-temperature processing condition can be tolerated, and the phenomenon of hot roughing is avoided. In addition, the hydrolysis resistance of the carbamate bond ensures the long-term stability of the suspension system in an environment with pH of 6-10 and in the presence of lipase.

The invention relates to the field of pesticides, and particularly discloses a pH-light dual-response nano pesticide and a preparation process thereof. The invention relates to a preparation method of a pH-light dual-response nano insecticide. The preparation method comprises the following steps: adding water into polyethylene glycol, castor oil polyoxyethylene ether and sodium lignin sulfonate to prepare a water phase; the preparation method comprises the following steps: uniformly mixing an efficient cyhalothrin active compound with xylene, and adding diisocyanate to prepare an oil phase; adding the oil phase into the water phase, and adding ethylenediamine, YUS-SC3A, glycerol, xanthan gum, magnesium aluminum silicate and benzoic acid to obtain the lambda-cyhalothrin microcapsule suspending agent. The preparation method comprises the following steps: adding water into YUS-SC3A, uniformly mixing, and adding a clothianidin active compound, glycerol, xanthan gum, magnesium aluminum silicate, AF205 and benzoic acid to obtain a clothianidin suspending agent; mixing the two agents to obtain the nano insecticide, adding the composite dispersant, adding the pre-gel, adding azodiisobutyronitrile, blowing with inert gas, and adding Kathon. By preparing the pH-light dual-response nano insecticide, the insecticidal effect is improved, the generation of drug resistance is avoided, and efficient prevention and control of wheat aphids are realized.

The invention relates to the field of agricultural bactericides, in particular to a suspending agent containing fenaminstrobin and validamycin A and application of the suspending agent. The bactericidal composition comprises a suspending agent containing fenaminstrobin and validamycin A, an active component, a stabilizer, an auxiliary agent and water, the active component accounts for 1-70% of the mass of the preparation, and the stabilizer accounts for 0.1-10% of the mass of the preparation; wherein the active ingredients are fenaminstrobin and validamycin A, and the stabilizer is meglumine (N-methyl-D-glucosamine). The suspending agent prepared by the technical scheme of the invention effectively inhibits the increase of the particle size of a sample in the thermal storage process of a preparation, effectively improves the suspension rate of fenaminstrobin after the thermal storage of the preparation, improves the utilization rate of a pesticide, and ensures the normal exertion of the efficacy of the pesticide at the same time. Meanwhile, the quality of the active components of the stabilizer-containing bactericide is stable within the shelf life, the addition of the stabilizer does not cause the decomposition of the active components, and the preparation does not have obvious physical or chemical change.

This invention belongs to the field of pharmaceutical formulation technology and provides a vinpocetine suspension and its preparation method. The vinpocetine suspension of this invention comprises the following raw materials in specific mass parts: vinpocetine, a suspending agent, a solubilizer, a stabilizer, and water. The vinpocetine suspension of this invention is suitable for oral administration. The excipients in the suspension include a suspending agent, a solubilizer, and a stabilizer. The solubilizer inhibits the aggregation of vinpocetine nanoparticles and improves the solubility and dispersion uniformity of vinpocetine nanoparticles in water. The suspending agent and stabilizer together construct a spatially stable structure, ensuring the suspension and dispersion of vinpocetine nanoparticles and resisting sedimentation. The suspending agent, solubilizer, and stabilizer work synergistically to achieve nanoscale distribution and uniform dispersion and suspension of vinpocetine, significantly improving the bioavailability of vinpocetine. High-pressure homogenization achieves nanoscale distribution of vinpocetine, with a particle size of 200-300 nm.

The invention belongs to the field of fertilizer production, and particularly relates to a composite suspending agent and an anti-sedimentation layering method for producing a liquid water-soluble fertilizer.The method comprises the steps that modified ammonium nitrate, urea, a nitrogen-potassium fertilizer, monoammonium phosphate and a potassium fertilizer are put into water and stirred to be dissolved at the temperature of 40-50 DEG C, and a mother solution A is obtained; and S2, adding organic matters, medium trace elements selected and added according to a formula and a synergist into the mother liquor A in the step S1, and uniformly stirring and mixing at the temperature of 40-50 DEG C. The xanthan gum and the nano silicon material have the basic effects of preventing sedimentation, resisting layering, dispersing, suspending and stabilizing a system; after the two components are compounded, a remarkable synergistic effect can be generated. Specifically, the three-dimensional physical network structure of the nano silicon material can be intertwined with the linear polymer chain of xanthan gum to form a unique'rigid framework + flexible network 'composite structure, and the structure not only can enhance the suspension capacity of the system, but also can effectively optimize the rheological property.

The application provides an oil-containing drilling cuttings reinjection fluid and a preparation method and application thereof, which contains, based on the total weight of water in the base fluid being 100%, 0.2-0.3wt% of a suspending agent, 0.15-0.25wt% of a low-viscosity polyanionic cellulose, 0-0.25wt% of sodium carboxymethyl cellulose, 0-0.2wt% of hectorite, 0-0.2wt% of a zwitterionic polymer, 20-25wt% of oil-containing drilling cuttings and the balance of the base fluid; in the oil-containing drilling cuttings reinjection fluid, the contents of the three components of sodium carboxymethyl cellulose, hectorite and the zwitterionic polymer are not simultaneously 0, and the total content of the treating agent is less than 1wt%. The application realizes the target of reducing the total amount of the treating agent through the complementary advantages of the performance of different treating agents, and on the basis of making the rheological performance, the suspension stability and the filtration loss performance of the oil-containing drilling cuttings reinjection fluid system meet the requirements, the high-temperature resistance and the pollution resistance of the oil-containing drilling cuttings reinjection fluid system are also improved.

This invention provides a fracturing suspension emulsion and a method for fracturing oil and gas wells. The fracturing suspension emulsion comprises, by mass ratio: 40-48 parts dispersant, 3-5 parts suspending agent, 44-52 parts hydrophobic associating polyacrylamide powder, 5-10 parts emulsifier, and 0.1-0.2 parts preservative; wherein the raw material for preparing the hydrophobic associating polyacrylamide powder includes salt-resistant monomers. The fracturing suspension emulsion of this invention improves the dissolution rate of the suspension emulsion in a high-salt environment, maintains sufficient viscosity, reduces friction, and improves the fracturing effect.

The present invention relates to a ready-to-dilute polymer suspension comprising between 1 and 15% by weight of a thickening agent, between 0.5 and 8% by weight of at least one suspension agent, between 1 and 10% by weight of water, and at least 60% by weight of a non-aqueous vehicle, relative to the total weight of the suspension. The invention also relates to a composition comprising such a suspension and a therapeutic agent.

The invention relates to a fluazinam-containing pesticide composition, a seed treatment suspending agent as well as a preparation method and application of the seed treatment suspending agent. The invention provides a fluazinam-containing pesticide composition. The active ingredients of the fluazinam-containing pesticide composition comprise fluazinam, fludioxonil and clothianidin, the mass ratio of the clothianidin to the fluazinam to the fludioxonil is (6-7): (0.4-0.8): (0.2-0.6), and the composition has an excellent synergistic effect. The suspending agent for seed treatment is compounded with a film-forming agent composed of acrylate and polydimethylsiloxane according to a specific proportion, it can be ensured that seed coats are not prone to falling off after being coated, meanwhile, adjustment can be conducted according to environmental adaptability, a coating layer is evenly mixed with a pesticide and pigment, the release time of effective components of pesticides is prolonged, and the pesticide effect is improved. The problem of seed coating fading is effectively solved, and the pesticide composition has an excellent effect in prevention and treatment of agricultural diseases such as peanut root rot, grub, wheat stem rot and aphid.

The present application relates to a kind of insecticidal compositions containing flonicamid and celangulin, wherein the weight percentage of effective component flonicamid and celangulin is 1-80:10-0.1, which can be further preferred as 10-60:5-0.1.The total mass of two effective components flonicamid and celangulin accounts for 1%-90% of the mass of the entire preparation, which can be further preferred as 10-60%, and the rest is the common adjuvant or filler in pesticides.The insecticidal composition of the present application can be prepared into suspension concentrate, water dispersible granules, water emulsion, microemulsion, emulsifiable concentrate and wettable powder and other dosage forms.The present application carries out binary compounding of flonicamid and celangulin, has obvious synergistic effect, and the quick-acting and long-acting properties of pesticide are good, and reduces production cost and use cost, and is especially suitable for the prevention and treatment of thrips.

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 discloses a diuron wettable powder herbicide and a preparation method thereof, and belongs to the technical field of herbicide pesticides, the diuron wettable powder herbicide comprises a diuron active compound, a carrier, a suspending agent, a dispersing agent and a cleaning agent, the mass ratio of the diuron active compound to the carrier is (3.0-3.2): 1; the carrier comprises attapulgite and modified attapulgite, and the mass ratio of the attapulgite to the modified attapulgite is 10: (1-4); the modified attapulgite is attapulgite coated with lignin quaternary ammonium salt; according to the diuron wettable powder and the preparation method thereof, the anionic surfactant and the lignin quaternary ammonium salt are induced to be compounded under the acidic condition to form the composite modifier, the quaternary ammonium salt pre-modified attapulgite is taken as a core, the composite modifier coats the attapulgite through secondary electrostatic bonding, and the problem that the diuron wettable powder is poor in suspension effect is solved.

The invention relates to a dispersible oil suspending agent for preventing and treating potato late blight and a preparation method and application thereof, and relates to the field of pesticides, the dispersible oil suspending agent comprises the following raw materials by weight: 5-25% of mandipropamid, 5-25% of cymoxanil, 5-20% of a dispersant, 5-20% of an emulsifier, 2-5% of sodium carboxymethyl cellulose, and 27-65% of solvent oil 200 #. Field control experiments show that the dispersible oil suspending agent for preventing and treating potato late blight can effectively prevent and treat potato late blight, is safe and remarkable in prevention and treatment effect, and has no adverse effect on other diseases and insect pests and no adverse effect on non-target organisms.

The invention relates to the technical field of building materials, in particular to ultra-high air-entraining concrete doped with modified solid waste and a preparation method of the ultra-high air-entraining concrete. The concrete comprises cement, a mineral admixture, modified solid waste slurry, fine aggregate, coarse aggregate, water and a polycarboxylic acid high-performance admixture. The modified solid waste slurry is prepared by physically mixing solid waste powder such as silica fume, stone powder, ultrafine powder and the like and then sequentially reacting with a modifier containing a specific dispersing agent, an active exciting agent, a suspending agent and a pH regulator, and the pH of the final slurry is controlled to be 4-5. The polycarboxylic acid high-performance admixture is a specific compound of a viscosity reduction type water reducing agent and a high-performance air entraining agent. Through the synergistic effect of the special modified solid waste slurry, the special admixture, the admixture, the aggregate and other components, the problem that the mechanical property and the impermeability of the ultra-high air-entraining concrete are greatly reduced due to excessive bubbles is effectively solved, the performance of a mixture is guaranteed, the concrete is light, and meanwhile, the concrete has the advantages of being high in practicability and the like. The strength and durability of the concrete are remarkably improved, various properties of the concrete are ensured to meet engineering requirements, and high-added-value utilization of solid waste resources is realized.

The invention relates to the technical field of pesticides, and particularly discloses a dispersible oil suspending agent containing refined glufosinate-ammonium and a preparation method of the dispersible oil suspending agent. The invention relates to a dispersible oil suspending agent containing refined glufosinate-ammonium. The dispersible oil suspending agent comprises the following raw materials in percentage: 10-15% of a compound of flumioxazin and refined glufosinate-ammonium, 10-15% of an emulsifier, 1-3% of a dispersing agent, 2-5% of a stabilizer, 0.3-0.8% of a thickening agent, 3-5% of an anti-settling agent, 1-5% of an anti-drifting agent and the balance of oily filler, the flumioxazin and the fine glufosinate-ammonium are adopted as main active pharmaceutical ingredients of the suspending agent, the two agents with different action mechanisms and different action modes can complement each other in advantages, the quick-acting property and the persistence of the agent are enhanced, meanwhile, the development of drug resistance of weeds can be effectively overcome or delayed, and the control effect is improved.

The environment-friendly biopesticide suspending agent preparation device comprises a stirring barrel, a motor is fixedly connected to the inner bottom face of the stirring barrel, a supporting rod is fixedly connected to the output end of the motor, a mounting block is fixedly connected to the upper surface of the supporting rod, and an electric telescopic rod is fixedly connected to the upper surface of the mounting block; the outer surface of the stirring barrel is fixedly connected with a water tank, the upper surface of the water tank is fixedly connected with a water pump, the output end of the water pump is fixedly connected with a conveying pipe, and the end, away from the water pump, of the conveying pipe is fixedly connected with a rotating spray head; through cooperation of the motor, the supporting rod, the electric telescopic rod, the fixing rod and the adjustable stirring blades, the position of the upper-layer stirring blades can be adjusted according to the height of materials, the optimal stirring depth can be found, it is ensured that materials with different densities and viscosities are fully mixed, and the uniformity of a suspending agent is enhanced.

The invention provides a thickening agent for self-crosslinking slick water, a preparation method of the thickening agent and fracturing fluid, and belongs to the technical field of oil exploitation. Comprising a temperature-resistant, shear-resistant and salt-resistant polymer, a synergist, a salt-resistant component, a structure regulator, a suspending agent and an emulsifier. The prepared thickening agent for the self-crosslinking slick water is good in temperature resistance, salt resistance and shearing resistance, has good tackifying and dissolving performance and good sand carrying and thickening effects, is low in damage rate to a rock core after gel breaking, can be widely applied to fracturing transformation of low-permeability and ultra-low-permeability reservoirs, and has a good application prospect. The prepared fracturing fluid integrates the functions of drag reduction, sand carrying, fracture forming, swelling prevention, discharge aiding, low damage and the like, and has a wide application prospect.

This invention discloses a compound soft capsule based on camellia oil and its preparation method, belonging to the field of health food processing technology. Using camellia oil as the core carrier, this invention combines extracts of honeysuckle, green tea, and licorice root, using beeswax as a specific suspending agent, without adding any wetting agents. By optimizing the entire process parameters from ultrasonic extraction of traditional Chinese medicine, content preparation, sol-gel, pelleting, shaping, washing, drying, and packaging, a compound soft capsule with high stability, good flowability, and clear anti-inflammatory effects is prepared. This invention solves the technical problems of easy oxidation and deterioration of camellia oil, insufficient deep processing in the camellia oil industry, and low economic added value. The resulting soft capsules can effectively inhibit pro-inflammatory factors such as TNF-α, IL-2, and IFN-γ, increase the level of the anti-inflammatory factor IL-10, and have a significant protective effect against lipopolysaccharide-induced acute kidney injury. The process of this invention is controllable and suitable for industrial production, which can significantly extend the camellia oil industry chain and enhance the competitiveness of the local woody oilseed industry.

The application discloses a polymer microsphere containing a surfactant unit. The polymer microsphere is prepared by a suspension polymerization method, and the polymer microsphere comprises the following units: A, an oil phase unit; B, a reactive surfactant unit; and C, an initiator unit. The application replaces a conventional surfactant with a reactive surfactant, and the amount of the reactive surfactant is smaller than that of a non-reactive surfactant. In addition, a suitable type of the reactive surfactant makes the microsphere dispersion more stable in the polymerization process, so that the polymer microsphere has a more concentrated particle size distribution, a smooth surface and excellent heat resistance. Meanwhile, the polymer microsphere disclosed by the application does not contain silica or residual suspending agent, and does not affect the application field of the polymer microsphere, so that the polymer microsphere has a greater application prospect in technical fields such as electronics, optoelectronics, optics, medicine and building.

The plant source insecticide contains effective components of parathion and avermectin, the weight ratio of parathion and avermectin is 10-50:1, and is supplemented with an acceptable agricultural adjuvant to form one of emulsifiable concentrate, wettable powder, water dispersible granule, water emulsion or suspension agent suitable for agricultural use, and belongs to the field of pesticides. The plant source insecticide shows activity on peridroma saucia, aphid and cotton red spider, especially high acaricidal activity on red spider. The prevention and treatment effect on citrus red spider is obviously improved after parathion and avermectin are compounded, which shows that the combination of parathion and avermectin has significant synergistic effect on citrus red spider. Parathion is derived from Chinese herbal medicine plant, and there is no problem of pesticide residue, and the risk of drug damage is greatly reduced. At the same time, the two single agents of the composition have great difference in chemical structure and completely different action mechanism, and there is no cross resistance, which can delay the resistance problem caused by the use of the two single agents alone.

This application provides a fast-curing joint repair compound and its preparation method. The fast-curing joint repair compound comprises the following raw materials in parts by weight: 50 parts silicate cement, 40-60 parts styrene-acrylic emulsion, 5-10 parts modified slag, 0.4-1 parts hollow microspheres, 0.5-1.5 parts glass fiber, 100-150 parts quartz sand, 0.1-0.3 parts dispersing suspending agent, 0.1-1 parts defoamer, and 20-40 parts water. The modified slag has a core-shell structure, comprising, in sequence, a slag core, calcium salt components loaded on the surface or in the pores of the slag core, a humate layer formed on the surface, and a quaternary ammonium salt cationic polymer layer coating the outside of the humate layer. This joint repair compound has the characteristics of short initial setting time, high early strength, and good construction rheology, and is suitable for building joint repair, road maintenance, and concrete structure repair.